/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Modern Color Palette */
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --secondary-gradient: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --accent-gradient: linear-gradient(135deg, #f59e0b 0%, #ef4444 100%);
    --success-gradient: linear-gradient(135deg, #10b981 0%, #059669 100%);
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-tertiary: #f1f5f9;
    --bg-dark: #0f172a;
    --bg-card: rgba(255, 255, 255, 0.8);
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-inverse: #ffffff;
    
    --border-light: rgba(148, 163, 184, 0.2);
    --border-medium: rgba(148, 163, 184, 0.4);
    
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 40px rgba(0, 0, 0, 0.1);
    
    --blur-sm: blur(4px);
    --blur-md: blur(8px);
    --blur-lg: blur(16px);
    
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
    --border-radius-full: 9999px;
}

body {
    font-family: 'Inter', 'Noto Sans KR', -apple-system, BlinkMacSystemFont, sans-serif;
    line-height: 1.6;
    color: #1e293b;
    background: linear-gradient(135deg, #f8fafc 0%, #e2e8f0 100%);
    font-weight: 400;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(16px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 10000;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
    overflow: visible;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 70px;
    position: relative;
    overflow: visible;
}

.logo {
    font-size: 1.5rem;
    font-weight: 800;
    color: #1e293b;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.logo-image {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

.logo-image:hover {
    transform: scale(1.1);
}

.logo-text {
    font-size: 1.5rem;
    font-weight: 800;
}

.nav-menu {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 2rem;
    align-items: center;
}

.nav-item {
    position: relative;
    z-index: 10001;
}

.nav-link {
    color: #374151;
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-link:hover {
    color: #1e293b;
    background: #f1f5f9;
    transform: translateY(-1px);
}

.nav-icon {
    font-size: 1rem;
}

/* Dropdown Menu Styles */
.dropdown {
    position: relative;
}

/* Improve dropdown accessibility */
.dropdown-toggle {
    cursor: pointer;
    user-select: none;
}

.dropdown-toggle:focus {
    outline: 2px solid #4f46e5;
    outline-offset: 2px;
}

/* Improve focus visibility for all interactive elements */
.nav-link:focus,
.dropdown-item:focus,
.btn:focus {
    outline: 2px solid #4f46e5;
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .nav-link {
        color: #000000;
    }
    
    .dropdown-item {
        color: #000000;
    }
    
    .nav-link:hover,
    .dropdown-item:hover {
        background: #000000;
        color: #ffffff;
    }
}

/* Ensure dropdown works on all devices */
.dropdown.active .dropdown-menu,
.dropdown-menu.show {
    opacity: 1 !important;
    visibility: visible !important;
    transform: translateY(0) !important;
    pointer-events: auto !important;
    z-index: 10001 !important;
    position: absolute !important;
    top: 100% !important;
}


/* Touch-friendly dropdown for mobile */
@media (hover: none) and (pointer: coarse) {
    .dropdown:hover .dropdown-menu {
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        pointer-events: none;
    }
    
    /* Improve touch targets */
    .nav-link {
        min-height: 44px;
        padding: 0.75rem 1rem;
    }
    
    .dropdown-item {
        min-height: 44px;
        padding: 1rem 1.5rem;
    }
    
    .btn {
        min-height: 44px;
        padding: 0.75rem 1.5rem;
    }
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.dropdown-icon {
    font-size: 0.8rem;
    transition: transform 0.3s ease;
}

.dropdown:hover .dropdown-icon,
.dropdown.active .dropdown-icon,
.dropdown-menu.show + .dropdown-toggle .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: #ffffff;
    border-radius: 12px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.15);
    padding: 0.5rem 0;
    min-width: 220px;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 10001;
    border: 1px solid rgba(0, 0, 0, 0.1);
    backdrop-filter: blur(20px);
    pointer-events: none;
}

.dropdown:hover .dropdown-menu,
.dropdown.active .dropdown-menu,
.dropdown-menu.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
    pointer-events: auto;
}

.dropdown-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem 1.2rem;
    color: #1f2937;
    text-decoration: none;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 8px;
    margin: 0 0.5rem;
}

.dropdown-item:hover,
.dropdown-item:focus,
.dropdown-item:active {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1), rgba(118, 75, 162, 0.1));
    color: #4f46e5;
    transform: translateX(5px);
    outline: none;
}

.dropdown-item i {
    width: 16px;
    text-align: center;
    color: #4f46e5;
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
    position: relative;
    overflow: visible;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.02);
}

.logo-icon {
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-icon:hover {
    transform: rotate(5deg) scale(1.1);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.penguin-logo {
    width: 55px;
    height: 55px;
    border-radius: 12px;
    object-fit: cover;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.logo-text {
    display: flex;
    flex-direction: column;
    gap: 0.2rem;
    white-space: nowrap;
    min-width: 0;
}

.logo-main {
    font-size: 1.4rem;
    font-weight: 700;
    color: #1f2937;
    line-height: 1;
    letter-spacing: -0.5px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.logo-sub {
    font-size: 0.75rem;
    font-weight: 500;
    color: #7f8c8d;
    line-height: 1;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 0.3rem;
    align-items: center;
    flex-wrap: nowrap;
    overflow: visible;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav-menu::-webkit-scrollbar {
    display: none;
}

.nav-item {
    position: relative;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #1f2937;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    padding: 0.8rem 1.2rem;
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    white-space: nowrap;
    flex-shrink: 0;
}

.nav-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 10px;
}

.nav-link:hover::before {
    opacity: 0.1;
}

.nav-link:hover {
    color: #4f46e5;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
}

.nav-icon {
    font-size: 0.9rem;
    transition: transform 0.3s ease;
}

.nav-link:hover .nav-icon {
    transform: scale(1.1);
}

.auth-link {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white !important;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(102, 126, 234, 0.3);
}

.auth-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
    color: white !important;
}

.admin-link {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white !important;
    font-weight: 600;
    box-shadow: 0 2px 10px rgba(243, 156, 18, 0.3);
}

.admin-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(243, 156, 18, 0.4);
    color: white !important;
}

.search-container {
    display: flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-radius: 25px;
    padding: 0.5rem 1rem;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

.search-container:focus-within {
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1), 0 4px 15px rgba(102, 126, 234, 0.2);
    transform: translateY(-1px);
}

.search-input {
    border: none;
    background: transparent;
    outline: none;
    padding: 0.5rem;
    font-size: 0.9rem;
    color: #1f2937;
    width: 200px;
    font-weight: 500;
}

.search-input::placeholder {
    color: #7f8c8d;
    font-weight: 400;
}

.search-btn {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    border: none;
    color: white;
    padding: 0.5rem;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 35px;
    height: 35px;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.3);
}

.search-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 44px;
    height: 44px;
    cursor: pointer;
    border-radius: var(--border-radius-md);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    background: transparent;
    border: none;
}

.hamburger:hover {
    background: var(--bg-secondary);
    transform: scale(1.05);
}

.hamburger-line {
    width: 24px;
    height: 2px;
    background: var(--primary-gradient);
    margin: 3px 0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: var(--border-radius-full);
    transform-origin: center;
}

.hamburger.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active .hamburger-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 50%, #334155 100%);
    color: var(--text-inverse);
    padding: 140px 0 100px;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(99, 102, 241, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 92, 246, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(59, 130, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.4;
    pointer-events: none;
}

/* User Guide */
.user-guide {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 40px 0;
    flex-wrap: wrap;
    gap: 20px;
}

.guide-step {
    display: flex;
    align-items: center;
    gap: 15px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    padding: 20px;
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    min-width: 200px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.guide-step:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: bold;
    font-size: 1.2rem;
    flex-shrink: 0;
}

.step-content h3 {
    color: white;
    margin: 0 0 5px 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.step-content p {
    color: rgba(255, 255, 255, 0.8);
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.4;
}

.guide-arrow {
    color: rgba(255, 255, 255, 0.6);
    font-size: 1.5rem;
    font-weight: bold;
    margin: 0 10px;
}

/* Hero Buttons */
.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin: 40px 0;
    flex-wrap: wrap;
}

.btn-large {
    padding: 20px 40px;
    font-size: 1.1rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    gap: 5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 220px;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.btn-large .btn-subtitle {
    font-size: 0.8rem;
    font-weight: 400;
    opacity: 0.9;
    line-height: 1;
}

.pulse-animation {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Social Proof */
.social-proof {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin: 40px 0 20px 0;
    padding: 20px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 50px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    flex-wrap: wrap;
}

.proof-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.proof-number {
    font-size: 1.8rem;
    font-weight: 700;
    color: #74b9ff;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
    display: block;
    margin-bottom: 2px;
}

.proof-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.9);
    font-weight: 500;
    white-space: nowrap;
}

.proof-divider {
    color: rgba(255, 255, 255, 0.5);
    font-size: 1.2rem;
    font-weight: 700;
}

.btn-primary {
    background: var(--primary-gradient);
    color: var(--text-inverse);
    border: none;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-primary:hover::before {
    left: 100%;
}

.btn-primary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.btn-secondary {
    background: var(--secondary-gradient);
    color: var(--text-inverse);
    border: none;
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.btn-secondary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.btn-secondary:hover::before {
    left: 100%;
}

.btn-secondary:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.btn-outline {
    background: transparent;
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-3px);
}

/* Quick Actions */
.quick-actions {
    display: flex;
    gap: 20px;
    justify-content: center;
    margin-top: 30px;
    flex-wrap: wrap;
}

.quick-action {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-decoration: none;
    color: white;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    min-width: 120px;
}

.quick-action:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.2);
}

.quick-action i {
    font-size: 1.5rem;
    margin-bottom: 5px;
}

.quick-action span {
    font-size: 0.9rem;
    font-weight: 500;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(120, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(255, 119, 198, 0.3) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(120, 219, 255, 0.2) 0%, transparent 50%);
    animation: heroGlow 8s ease-in-out infinite alternate;
    pointer-events: none;
}

@keyframes heroGlow {
    0% { opacity: 0.5; }
    100% { opacity: 1; }
}

/* 독립적인 제목 영역 */
.hero-title-section {
    text-align: center;
    padding: 3rem 0;
    margin-bottom: 4rem;
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 1200px;
    margin-left: auto;
    margin-right: auto;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
    overflow: visible;
}

.hero-content {
    width: 100%;
    max-width: 900px;
    text-align: left;
}

.hero-image {
    display: flex;
    justify-content: center;
    align-items: center;
}


.hero-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 0;
    line-height: 1.2;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    text-align: center;
}

/* 제목 섹션 내의 타이틀은 항상 한 줄로 */
.hero-title-section .hero-title {
    white-space: nowrap;
    overflow: visible;
    display: inline-block;
    max-width: none;
    width: auto;
}

.hero-description {
    font-size: 1.3rem;
    line-height: 1.6;
    margin-bottom: 2rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.2);
    text-align: center;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.1);
}

.hero-description {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* Phone Mockup */
.phone-mockup {
    width: 300px;
    height: 600px;
    background: linear-gradient(145deg, #2c2c2c, #1a1a1a);
    border-radius: 30px;
    padding: 20px;
    margin: 0 auto;
    box-shadow: 
        0 20px 40px rgba(0,0,0,0.3),
        inset 0 1px 0 rgba(255,255,255,0.1);
    position: relative;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.3s ease;
}

.phone-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) scale(1.05);
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #f8f9fa;
    border-radius: 20px;
    overflow: hidden;
    position: relative;
}

.app-preview {
    padding: 20px;
    height: 100%;
}

.app-header {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 30px;
    padding-bottom: 15px;
    border-bottom: 2px solid #3498db;
}

.profile-image {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 2px solid rgba(52, 152, 219, 0.3);
    object-fit: cover;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.profile-image:hover {
    transform: scale(1.1);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.app-content {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.goal-item {
    background: white;
    padding: 15px;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    font-weight: 500;
    color: #1f2937;
    transition: transform 0.3s ease;
}

.goal-item:hover {
    transform: translateY(-2px);
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 12px 24px;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: #3498db;
    color: white;
}

.btn-primary:hover {
    background: #2980b9;
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: white;
    color: #3498db;
}

.btn-outline {
    background: transparent;
    color: #3498db;
    border: 2px solid #3498db;
}

.btn-outline:hover {
    background: #3498db;
    color: white;
}

.btn-text {
    background: transparent;
    color: #3498db;
    text-decoration: underline;
}

.btn-disabled {
    background: #bdc3c7;
    color: #7f8c8d;
    cursor: not-allowed;
}

/* Sections */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 3rem;
}

/* Apps Section */
.apps-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.app-card {
    background: white;
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 
        0 10px 30px rgba(0,0,0,0.1),
        0 1px 8px rgba(0,0,0,0.05);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255,255,255,0.2);
}

.app-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #3498db, #2980b9);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.app-card:hover::before {
    transform: scaleX(1);
}

.app-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 
        0 20px 40px rgba(0,0,0,0.15),
        0 5px 15px rgba(0,0,0,0.1);
}

.app-card.coming-soon {
    opacity: 0.7;
}

.app-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.app-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
}

.app-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.app-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.feature-tag {
    background: #e8f4fd;
    color: #3498db;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.app-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* About Section */
.about-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.about-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%233498db" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    opacity: 0.5;
    pointer-events: none;
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: start;
    position: relative;
    z-index: 2;
}

.about-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.7;
}

.values {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.value-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.value-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(52, 152, 219, 0.1), rgba(41, 128, 185, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.value-item:hover::before {
    opacity: 1;
}

.value-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.value-item i {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 1rem;
    position: relative;
    z-index: 2;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.value-item:hover i {
    transform: scale(1.1);
    color: #2980b9;
}

.value-item h4 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 2;
}

.value-item p {
    color: #666;
    font-size: 0.95rem;
    position: relative;
    z-index: 2;
    line-height: 1.6;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #3498db, #2980b9);
    color: white;
    border-radius: 15px;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 10px 25px rgba(52, 152, 219, 0.3);
}

.stat-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255,255,255,0.1), rgba(255,255,255,0.05));
    opacity: 0;
    transition: opacity 0.3s ease;
}

.stat-item:hover::before {
    opacity: 1;
}

.stat-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: 0 15px 35px rgba(52, 152, 219, 0.4);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    position: relative;
    z-index: 2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.stat-label {
    font-size: 1.1rem;
    opacity: 0.9;
    position: relative;
    z-index: 2;
    font-weight: 500;
}

/* Support Section */
.support-section {
    padding: 80px 0;
    background: #f8f9fa;
}

.support-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.support-card {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.support-card:hover {
    transform: translateY(-5px);
}

.support-card i {
    font-size: 2.5rem;
    color: #3498db;
    margin-bottom: 1rem;
}

.support-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 1rem;
}

.support-card p {
    color: #666;
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Social Media Links */
.social-links {
    display: flex;
    gap: 15px;
    margin-top: 15px;
}

.social-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    color: white;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 18px;
}

.social-link:hover {
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}


.social-link.instagram {
    background: linear-gradient(45deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
}

.social-link.email {
    background: linear-gradient(45deg, #ea4335, #fbbc05);
}

.social-link.facebook {
    background: linear-gradient(45deg, #1877f2, #42a5f5);
}


/* Community Platform Section */
.community-section {
    padding: 100px 0;
    background: var(--bg-secondary);
    position: relative;
    overflow: hidden;
}

.community-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="%236366f1" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    pointer-events: none;
}

.community-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
    position: relative;
    z-index: 2;
}

.feature-card {
    background: var(--bg-card);
    backdrop-filter: var(--blur-lg);
    border-radius: var(--border-radius-xl);
    padding: 2.5rem;
    text-align: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-card:hover::before {
    transform: scaleX(1);
}

.feature-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.feature-card h3 {
    color: var(--text-primary);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.feature-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 2rem;
}

.feature-stats {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
}

.feature-stats .stat-number {
    font-size: 2rem;
    font-weight: 800;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.feature-stats .stat-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 500;
}

/* Community Feed */
.community-feed {
    background: var(--bg-card);
    backdrop-filter: var(--blur-lg);
    border-radius: var(--border-radius-xl);
    padding: 3rem;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    position: relative;
    z-index: 2;
    margin-top: 4rem;
}

.feed-header {
    text-align: center;
    margin-bottom: 2.5rem;
}

.feed-header h3 {
    color: var(--text-primary);
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.feed-header p {
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.feed-container {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 2.5rem;
}

.feed-item {
    display: flex;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--bg-primary);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--border-light);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feed-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.user-avatar {
    width: 50px;
    height: 50px;
    border-radius: var(--border-radius-full);
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}

.feed-content {
    flex: 1;
}

.user-info {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    margin-bottom: 0.5rem;
}

.username {
    font-weight: 600;
    color: var(--text-primary);
}

.achievement {
    background: var(--success-gradient);
    color: var(--text-inverse);
    padding: 0.2rem 0.6rem;
    border-radius: var(--border-radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.progress {
    background: var(--secondary-gradient);
    color: var(--text-inverse);
    padding: 0.2rem 0.6rem;
    border-radius: var(--border-radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.new-goal {
    background: var(--accent-gradient);
    color: var(--text-inverse);
    padding: 0.2rem 0.6rem;
    border-radius: var(--border-radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.feed-content p {
    color: var(--text-primary);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.feed-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.time {
    color: var(--text-muted);
    font-size: 0.85rem;
}

.reactions {
    display: flex;
    gap: 0.5rem;
}

.reaction-btn {
    background: var(--bg-secondary);
    border: none;
    padding: 0.3rem 0.8rem;
    border-radius: var(--border-radius-full);
    font-size: 0.8rem;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.reaction-btn:hover {
    background: var(--primary-gradient);
    color: var(--text-inverse);
    transform: scale(1.05);
}

.feed-cta {
    text-align: center;
}

.feed-cta .btn {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    font-weight: 600;
}

/* Quick Start Section */
.quick-start-section {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.quick-start-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--primary-gradient);
    opacity: 0.03;
    pointer-events: none;
}

.quick-start-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 2rem;
    margin: 4rem 0;
    flex-wrap: wrap;
    position: relative;
    z-index: 2;
}

.step-card {
    background: var(--bg-card);
    backdrop-filter: var(--blur-lg);
    border-radius: var(--border-radius-xl);
    padding: 2.5rem 2rem;
    text-align: center;
    border: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    min-width: 250px;
    max-width: 300px;
}

.step-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.step-number {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 30px;
    height: 30px;
    background: var(--primary-gradient);
    color: var(--text-inverse);
    border-radius: var(--border-radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
    box-shadow: var(--shadow-md);
}

.step-icon {
    font-size: 3rem;
    margin: 1rem 0 1.5rem 0;
    display: block;
}

.step-card h3 {
    color: var(--text-primary);
    font-size: 1.3rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.step-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    font-size: 0.95rem;
}

.step-arrow {
    font-size: 2rem;
    color: var(--text-muted);
    font-weight: 700;
    animation: bounce-horizontal 2s ease-in-out infinite;
}

@keyframes bounce-horizontal {
    0%, 100% { transform: translateX(0); }
    50% { transform: translateX(10px); }
}

.quick-start-cta {
    text-align: center;
    margin-top: 4rem;
    position: relative;
    z-index: 2;
}

.quick-start-cta .btn-large {
    margin-bottom: 1.5rem;
}

.cta-note {
    color: var(--text-secondary);
    font-size: 1rem;
    margin: 0;
}

.cta-note strong {
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

/* Investment & Collaboration Section */
.investment-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.investment-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 30% 70%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 70% 30%, rgba(139, 92, 246, 0.1) 0%, transparent 50%);
    pointer-events: none;
    z-index: 0;
}

.investment-section .container {
    position: relative;
    z-index: 1;
}

.investment-section .section-title {
    color: #ffffff;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    font-weight: 800;
}

.opportunity-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin: 4rem 0;
    position: relative;
    z-index: 2;
}

.opportunity-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(16px);
    border-radius: 24px;
    padding: 2.5rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.opportunity-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.opportunity-card:hover::before {
    transform: scaleX(1);
}

.opportunity-card:hover {
    transform: translateY(-10px) scale(1.02);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.2);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: block;
}

.opportunity-card h3 {
    color: #ffffff;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.opportunity-card p {
    color: rgba(255, 255, 255, 0.8);
    line-height: 1.6;
    margin-bottom: 2rem;
}

/* Investment Card Specific */
.investment-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.info-item .label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

.info-item .value {
    color: #ffffff;
    font-weight: 700;
    font-size: 1.1rem;
}

/* Collaboration Card Specific */
.collaboration-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-bottom: 2rem;
}

.collaboration-stats .stat-item {
    text-align: center;
    padding: 1rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.collaboration-stats .stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 0.5rem;
}

.collaboration-stats .stat-label {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

/* Partnership Card Specific */
.partnership-benefits {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.benefit-item i {
    color: #6366f1;
    font-size: 1.2rem;
    width: 20px;
    text-align: center;
}

.benefit-item span {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.95rem;
}

/* Button Overrides for Investment Section */
.investment-section .btn {
    width: 100%;
    justify-content: center;
    font-weight: 600;
    padding: 1rem 1.5rem;
}

.investment-section .btn-outline {
    background: transparent;
    color: #ffffff;
    border: 2px solid rgba(255, 255, 255, 0.3);
}

.investment-section .btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    color: #ffffff;
}

/* Modal Styles */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(8px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 20px;
}

.modal-content {
    background: #ffffff;
    border-radius: 24px;
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    animation: modalSlideIn 0.3s ease-out;
}

@keyframes modalSlideIn {
    from {
        opacity: 0;
        transform: translateY(-50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 2rem 1rem 2rem;
    border-bottom: 1px solid rgba(148, 163, 184, 0.2);
}

.modal-header h3 {
    color: #1e293b;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 2rem;
    color: #64748b;
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modal-close:hover {
    background: #f1f5f9;
    color: #1e293b;
}

.modal-body {
    padding: 2rem;
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    color: #1e293b;
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 0.95rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    font-size: 0.95rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: #ffffff;
    color: #1e293b;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #6366f1;
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

.checkbox-group label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 500;
    cursor: pointer;
}

.checkbox-group input[type="checkbox"] {
    width: auto;
    margin: 0;
}

.form-actions {
    margin-top: 2rem;
    padding-top: 1rem;
    border-top: 1px solid rgba(148, 163, 184, 0.2);
}

.form-actions .btn {
    width: 100%;
    padding: 1rem;
    font-size: 1rem;
    font-weight: 600;
}

.problem-solution-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="dots" width="20" height="20" patternUnits="userSpaceOnUse"><circle cx="10" cy="10" r="1" fill="white" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23dots)"/></svg>');
    pointer-events: none;
}

.problem-solution-section .section-title {
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.problem-solution-section .section-description {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
}

.problem-solution-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 4rem 0;
    flex-wrap: wrap;
    gap: 2rem;
}

.flow-step {
    flex: 1;
    min-width: 250px;
    text-align: center;
    padding: 2rem;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 2;
}

.flow-step:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.15);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

.step-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.flow-step h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: white;
}

.flow-step p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.flow-arrow {
    display: flex;
    flex-direction: column;
    align-items: center;
    margin: 0 1rem;
    position: relative;
    z-index: 2;
}

.arrow-line {
    width: 2px;
    height: 40px;
    background: rgba(255, 255, 255, 0.5);
    margin-bottom: 0.5rem;
}

.arrow-head {
    font-size: 1.5rem;
    color: white;
    animation: arrowPulse 2s ease-in-out infinite;
}

@keyframes arrowPulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.2); opacity: 1; }
}

.problem-examples,
.solution-examples,
.impact-examples {
    display: flex;
    flex-direction: column;
    gap: 0.8rem;
}

.problem-item,
.solution-item,
.impact-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.problem-item:hover,
.solution-item:hover,
.impact-item:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateX(5px);
}

.problem-emoji,
.solution-emoji,
.impact-emoji {
    font-size: 1.2rem;
}

.problem-text,
.solution-text,
.impact-text {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Interactive Cards */
.interactive-cards {
    margin: 4rem 0;
    position: relative;
    z-index: 2;
}

.card-container {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
    min-height: 300px;
}

.problem-card,
.solution-card {
    flex: 1;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
    padding: 2rem;
    transition: all 0.5s ease;
    opacity: 0;
    transform: translateX(-50px);
}

.problem-card.active,
.solution-card.active {
    opacity: 1;
    transform: translateX(0);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.card-emoji {
    font-size: 2rem;
}

.card-header h4 {
    font-size: 1.3rem;
    font-weight: 700;
    color: white;
    margin: 0;
}

.card-content p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.user-quote {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 15px;
    border-left: 4px solid #ff6b6b;
}

.quote-text {
    display: block;
    font-style: italic;
    color: white;
    margin-bottom: 1rem;
    line-height: 1.6;
}

.quote-author {
    display: block;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    text-align: right;
}

.solution-features {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    padding: 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

.feature-item i {
    color: #4ecdc4;
    font-size: 1.2rem;
}

.feature-item span {
    color: white;
    font-weight: 500;
}

.card-navigation {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.nav-btn {
    background: rgba(255, 255, 255, 0.2);
    border: none;
    color: white;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 1.2rem;
}

.nav-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: scale(1.1);
}

.card-indicators {
    display: flex;
    gap: 1rem;
}

.indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.indicator.active {
    background: white;
    transform: scale(1.2);
}

/* Simplified Feedback System */
.feedback-system {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    padding: 2.5rem;
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 6rem auto 0 auto;
}

.feedback-header {
    text-align: center;
    margin-bottom: 2rem;
}

.feedback-header h3 {
    color: #1f2937;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    font-weight: 700;
}

.feedback-header p {
    color: #4b5563;
    font-size: 1.1rem;
    line-height: 1.6;
    font-weight: 500;
}

.feedback-form {
    background: rgba(255, 255, 255, 0.8);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.feedback-form .form-group {
    margin-bottom: 1.5rem;
}

.feedback-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #1f2937;
    font-size: 1.1rem;
}

.feedback-form textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid #e5e7eb;
    border-radius: 10px;
    background: #ffffff;
    color: #1f2937;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.feedback-form textarea:focus {
    outline: none;
    border-color: #4f46e5;
    background: white;
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
}

.feedback-form textarea::placeholder {
    color: #7f8c8d;
}

.category-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tag-btn {
    padding: 0.5rem 1rem;
    border: 2px solid rgba(102, 126, 234, 0.3);
    background: rgba(102, 126, 234, 0.1);
    border-radius: 20px;
    color: #334155;
    font-size: 0.85rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.tag-btn:hover,
.tag-btn.active {
    border-color: #667eea;
    background: rgba(102, 126, 234, 0.3);
    color: #1e293b;
    transform: translateY(-2px);
}

.form-actions {
    text-align: center;
    margin-top: 1.5rem;
}

.feedback-submit-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    color: white;
    padding: 1rem 2rem;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.3);
}

.feedback-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(102, 126, 234, 0.4);
}

.feedback-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.feedback-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(255, 255, 255, 0.9);
    padding: 1.5rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease;
}

.feedback-stats .stat-item:hover {
    transform: translateY(-3px);
}

.stat-icon {
    font-size: 2rem;
    width: 50px;
    text-align: center;
}

.stat-content {
    flex: 1;
}

.stat-content .stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.25rem;
}

.stat-content .stat-label {
    font-size: 0.9rem;
    color: #6b7280;
}

.recent-ideas {
    background: #ffffff;
    padding: 1.5rem;
    border-radius: 15px;
    border: 1px solid #e2e8f0;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.recent-ideas h4 {
    color: #1e293b;
    margin-bottom: 1rem;
    font-weight: 600;
}

.ideas-list {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.idea-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    background: #f8fafc;
    padding: 1rem;
    border-radius: 10px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.idea-item:hover {
    background: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    border-color: #cbd5e1;
}

.idea-content {
    flex: 1;
}

.idea-content p {
    color: #475569;
    margin: 0 0 0.5rem 0;
    font-size: 0.95rem;
    line-height: 1.5;
    font-style: italic;
    font-weight: 400;
}

.idea-meta {
    display: flex;
    gap: 1rem;
    align-items: center;
}

.idea-category {
    background: #667eea;
    color: white;
    padding: 0.2rem 0.5rem;
    border-radius: 10px;
    font-size: 0.75rem;
    font-weight: 500;
}

.idea-date {
    color: #64748b;
    font-size: 0.8rem;
}

.idea-status {
    flex-shrink: 0;
}

.status-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.reviewing {
    background: rgba(255, 193, 7, 0.3);
    color: #ffd700;
    border: 1px solid rgba(255, 193, 7, 0.5);
}

.status-badge.implemented {
    background: rgba(40, 167, 69, 0.3);
    color: #28a745;
    border: 1px solid rgba(40, 167, 69, 0.5);
}

.solver-header {
    text-align: center;
    margin-bottom: 2rem;
}

.solver-header h3 {
    color: white;
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.solver-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

.solver-intro {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(255, 255, 255, 0.15);
    padding: 1.5rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.solver-badge {
    display: flex;
    align-items: center;
    gap: 10px;
    color: #ffd700;
    font-weight: 600;
}

.solver-badge i {
    font-size: 1.5rem;
}

.solver-progress {
    flex: 1;
    margin-left: 2rem;
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #ffd700, #ffed4e);
    border-radius: 4px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.solver-form {
    background: rgba(255, 255, 255, 0.15);
    padding: 2rem;
    border-radius: 15px;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.solver-form textarea {
    width: 100%;
    min-height: 120px;
    padding: 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    color: white;
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
}

.solver-form textarea::placeholder {
    color: rgba(255, 255, 255, 0.6);
}

.solver-form textarea:focus {
    outline: none;
    border-color: #ffd700;
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 0 3px rgba(255, 215, 0, 0.2);
}

.form-header {
    margin-bottom: 1.5rem;
}

.form-header h4 {
    color: white;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.form-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.95rem;
}

.problem-categories {
    margin: 1.5rem 0;
}

.problem-categories label {
    display: block;
    margin-bottom: 0.8rem;
    font-weight: 600;
    color: white;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.category-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.category-btn {
    padding: 0.5rem 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    background: rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    font-size: 0.9rem;
    color: white;
    backdrop-filter: blur(10px);
}

.category-btn:hover {
    border-color: #ffd700;
    background: rgba(255, 215, 0, 0.2);
}

.category-btn.active {
    border-color: #ffd700;
    background: rgba(255, 215, 0, 0.3);
    color: white;
}

.reward-preview {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-top: 1rem;
    padding: 1rem;
    background: rgba(255, 215, 0, 0.2);
    border-radius: 10px;
    color: #ffd700;
    font-size: 0.9rem;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.reward-preview i {
    color: #ffd700;
}

.solver-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.solver-stats .stat-card {
    background: rgba(255, 255, 255, 0.15);
    padding: 1.5rem;
    border-radius: 15px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.solver-stats .stat-card:hover {
    transform: translateY(-5px);
}

.solver-stats .stat-card i {
    font-size: 2rem;
    color: #ffd700;
    margin-bottom: 0.5rem;
}

.solver-stats .stat-number {
    display: block;
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    margin-bottom: 0.25rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.solver-stats .stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
}

.solver-leaderboard {
    background: rgba(255, 255, 255, 0.15);
    padding: 2rem;
    border-radius: 15px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.solver-leaderboard h4 {
    color: white;
    margin-bottom: 1.5rem;
    text-align: center;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.leaderboard-list {
    max-height: 300px;
    overflow-y: auto;
}

.leaderboard-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    transition: background 0.3s ease;
}

.leaderboard-item:hover {
    background: rgba(255, 255, 255, 0.1);
}

.leaderboard-rank {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    margin-right: 1rem;
}

.leaderboard-rank.rank-1 {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    color: #b8860b;
}

.leaderboard-rank.rank-2 {
    background: linear-gradient(135deg, #c0c0c0, #e8e8e8);
    color: #666;
}

.leaderboard-rank.rank-3 {
    background: linear-gradient(135deg, #cd7f32, #daa520);
    color: white;
}

.leaderboard-rank.rank-other {
    background: rgba(255, 255, 255, 0.2);
    color: white;
}

.leaderboard-info {
    flex: 1;
}

.leaderboard-name {
    font-weight: 600;
    color: white;
    margin-bottom: 0.25rem;
}

.leaderboard-level {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.7);
}

.leaderboard-score {
    font-weight: 700;
    color: #ffd700;
}

.empty-leaderboard {
    text-align: center;
    padding: 3rem 2rem;
    color: rgba(255, 255, 255, 0.7);
}

.empty-leaderboard i {
    font-size: 3rem;
    color: rgba(255, 215, 0, 0.5);
    margin-bottom: 1rem;
}

.empty-leaderboard p {
    font-size: 1.1rem;
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.empty-leaderboard small {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
}

.solver-submit-btn {
    background: linear-gradient(135deg, #ffd700, #ffed4e);
    border: none;
    padding: 1rem 2rem;
    border-radius: 10px;
    color: #1f2937;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 1rem;
    box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
}

.solver-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 215, 0, 0.4);
}

/* 레벨업 모달 스타일 */
.level-up-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    animation: fadeIn 0.3s ease;
}

.level-up-modal .modal-content {
    background: white;
    padding: 3rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0,0,0,0.3);
    animation: slideUp 0.5s ease;
}

.level-up-animation {
    animation: bounce 0.6s ease;
}

.level-up-animation i {
    font-size: 4rem;
    color: #ffd700;
    margin-bottom: 1rem;
    animation: rotate 1s ease infinite;
}

.level-up-animation h2 {
    color: #1f2937;
    margin-bottom: 0.5rem;
    font-size: 2rem;
}

.level-up-animation p {
    color: #4f46e5;
    font-size: 1.2rem;
    margin-bottom: 2rem;
    font-weight: 600;
}

.level-up-animation button {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 1rem 2rem;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: transform 0.3s ease;
}

.level-up-animation button:hover {
    transform: translateY(-2px);
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(50px);
    }
    to { 
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-10px);
    }
    60% {
        transform: translateY(-5px);
    }
}

@keyframes rotate {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

@media (max-width: 768px) {
    .solver-intro {
        flex-direction: column;
        gap: 1rem;
    }
    
    .solver-progress {
        margin-left: 0;
        width: 100%;
    }
    
    .category-buttons {
        justify-content: center;
    }
    
    .solver-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .level-up-modal .modal-content {
        padding: 2rem;
        margin: 1rem;
    }
    
    .level-up-animation i {
        font-size: 3rem;
    }
    
    .level-up-animation h2 {
        font-size: 1.5rem;
    }
}

.submission-header {
    text-align: center;
    margin-bottom: 2rem;
}

.submission-header h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: white;
    margin-bottom: 1rem;
}

.submission-header p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.1rem;
}

.submission-form textarea {
    width: 100%;
    min-height: 120px;
    padding: 1.5rem;
    border: none;
    border-radius: 15px;
    background: rgba(255, 255, 255, 0.9);
    color: #1f2937;
    font-size: 1rem;
    line-height: 1.6;
    resize: vertical;
    margin-bottom: 1.5rem;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.submission-form textarea:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.submission-form textarea::placeholder {
    color: #7f8c8d;
}

.submission-actions {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.submission-stats {
    display: flex;
    gap: 2rem;
}

.submission-stats .stat-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.9rem;
}

.submission-stats .stat-item i {
    color: #4ecdc4;
}

/* Responsive Design for Problem-Solution Section */
@media (max-width: 768px) {
    .problem-solution-flow {
        flex-direction: column;
    }
    
    .flow-arrow {
        transform: rotate(90deg);
        margin: 1rem 0;
    }
    
    .arrow-line {
        width: 40px;
        height: 2px;
    }
    
    .card-container {
        flex-direction: column;
    }
    
    .submission-actions {
        flex-direction: column;
        align-items: stretch;
    }
    
    .submission-stats {
        justify-content: center;
    }
}

/* Philosophy Section */
.philosophy-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.philosophy-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="%23000" opacity="0.02"/><circle cx="75" cy="75" r="1" fill="%23000" opacity="0.02"/><circle cx="50" cy="10" r="0.5" fill="%23000" opacity="0.02"/><circle cx="10" cy="60" r="0.5" fill="%23000" opacity="0.02"/><circle cx="90" cy="40" r="0.5" fill="%23000" opacity="0.02"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    pointer-events: none;
}

.philosophy-intro {
    text-align: center;
    margin-bottom: 60px;
    font-size: 1.2rem;
    color: #555;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.philosophy-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.philosophy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, #667eea, #764ba2);
}

.philosophy-card.redefinition::before {
    background: linear-gradient(90deg, #ff6b6b, #ee5a24);
}

.philosophy-card.rebound::before {
    background: linear-gradient(90deg, #4ecdc4, #44a08d);
}

.philosophy-card.redistribution::before {
    background: linear-gradient(90deg, #a8edea, #fed6e3);
}

.philosophy-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.philosophy-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.philosophy-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1f2937;
}

.korean {
    font-size: 1.2rem;
    color: #7f8c8d;
    font-weight: 500;
}

.philosophy-card p {
    color: #555;
    line-height: 1.6;
    margin-bottom: 25px;
}

.philosophy-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
}

.example-tag {
    background: #f8f9fa;
    color: #495057;
    padding: 6px 12px;
    border-radius: 15px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid #e9ecef;
}

/* Business Section */
.business-section {
    padding: 100px 0;
    background: white;
}

.business-intro {
    text-align: center;
    margin-bottom: 60px;
    font-size: 1.2rem;
    color: #555;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.business-card {
    background: white;
    padding: 40px 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    text-align: center;
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid transparent;
}

.business-card.current {
    border-color: #3498db;
    background: linear-gradient(135deg, #f8f9ff 0%, #ffffff 100%);
}

.business-card.future {
    border-color: #e9ecef;
    background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.business-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.business-icon {
    font-size: 3rem;
    margin-bottom: 20px;
    display: block;
}

.business-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #1f2937;
}

.business-description {
    color: #555;
    line-height: 1.6;
    margin-bottom: 25px;
}

.business-status {
    margin-bottom: 20px;
}

.status-badge {
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.status-badge.current {
    background: linear-gradient(45deg, #3498db, #2980b9);
    color: white;
}

.status-badge.future {
    background: linear-gradient(45deg, #95a5a6, #7f8c8d);
    color: white;
}

.business-features {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    justify-content: center;
    margin-bottom: 25px;
}

.business-links {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}



.post-placeholder {
    text-align: center;
    color: #6c757d;
    padding: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
}

.post-placeholder i {
    font-size: 28px;
    margin-bottom: 12px;
    display: block;
    color: #e91e63;
}

.post-placeholder h4 {
    margin: 0 0 8px 0;
    font-size: 14px;
    font-weight: 600;
    color: #1f2937;
    line-height: 1.2;
}

.post-placeholder p {
    margin: 0;
    font-size: 11px;
    font-weight: 400;
    color: #6c757d;
    line-height: 1.3;
    text-align: center;
}


/* Footer */
.footer {
    background: #2c3e50;
    color: white;
    padding: 3rem 0 1rem;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: #3498db;
}

.footer-section p {
    color: #bdc3c7;
    line-height: 1.6;
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section ul li a {
    color: #bdc3c7;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section ul li a:hover {
    color: #3498db;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid #34495e;
    color: #bdc3c7;
}

/* Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in-up {
    animation: fadeInUp 0.6s ease-out;
}

/* Smooth scrolling */
html {
    scroll-behavior: smooth;
}

/* Dark Mode Variables */
:root {
    --bg-primary: #ffffff;
    --bg-secondary: #f8f9fa;
    --text-primary: #333333;
    --text-secondary: #666666;
    --accent-color: #3498db;
    --accent-hover: #2980b9;
    --shadow: rgba(0,0,0,0.1);
    --border-color: #e0e0e0;
}

[data-theme="dark"] {
    --bg-primary: #1a1a1a;
    --bg-secondary: #2d2d2d;
    --text-primary: #ffffff;
    --text-secondary: #b0b0b0;
    --accent-color: #4a9eff;
    --accent-hover: #357abd;
    --shadow: rgba(0,0,0,0.3);
    --border-color: #404040;
}

/* Theme Toggle Button */
.theme-toggle {
    background: none;
    border: none;
    color: var(--text-primary);
    font-size: 1.2rem;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
}

.theme-toggle:hover {
    background: var(--bg-secondary);
    transform: rotate(180deg);
}

/* Floating Elements */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.floating-icon {
    position: absolute;
    font-size: 2rem;
    opacity: 0.7;
    animation: float 6s ease-in-out infinite;
    animation-delay: var(--delay);
}

.floating-icon:nth-child(1) { top: 10%; left: 10%; }
.floating-icon:nth-child(2) { top: 20%; right: 15%; }
.floating-icon:nth-child(3) { bottom: 30%; left: 20%; }
.floating-icon:nth-child(4) { bottom: 20%; right: 10%; }

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(180deg); }
}

/* Glassmorphism Effect */
.glass-effect {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 15px;
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Pulse Animation */
.pulse {
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

/* Modern Card Hover Effects */
.modern-card {
    position: relative;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.modern-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.modern-card:hover::before {
    left: 100%;
}

/* Typing Animation */
.typing-animation {
    overflow: hidden;
    border-right: 2px solid var(--accent-color);
    white-space: nowrap;
    animation: typing 3s steps(40, end), blink-caret 0.75s step-end infinite;
    display: inline-block;
    max-width: 100%;
    word-wrap: break-word;
}

@keyframes typing {
    from { width: 0; }
    to { width: 100%; }
}

@keyframes blink-caret {
    from, to { border-color: transparent; }
    50% { border-color: var(--accent-color); }
}

/* Particle Background */
.particles {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: -1;
}

.particle {
    position: absolute;
    background: var(--accent-color);
    border-radius: 50%;
    opacity: 0.1;
    animation: particle-float 20s infinite linear;
}

@keyframes particle-float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 0.1;
    }
    90% {
        opacity: 0.1;
    }
    100% {
        transform: translateY(-100vh) rotate(360deg);
        opacity: 0;
    }
}

/* Modern Button Styles */
.btn-modern {
    position: relative;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border: none;
    color: white;
    padding: 18px 36px;
    border-radius: 50px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.3);
    font-size: 1.1rem;
}

.btn-modern:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 15px 35px rgba(102, 126, 234, 0.5);
    background: linear-gradient(135deg, #764ba2, #667eea);
}

.btn-modern::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn-modern:hover::before {
    left: 100%;
}

/* Philosophy Section */
.philosophy-section {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
}

.philosophy-intro {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.philosophy-card {
    background: white;
    padding: 3rem 2rem;
    border-radius: 20px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 2px solid transparent;
}

.philosophy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.philosophy-card.redefinition::before {
    background: linear-gradient(90deg, #ff6b6b, #ee5a24);
}

.philosophy-card.rebound::before {
    background: linear-gradient(90deg, #4ecdc4, #44a08d);
}

.philosophy-card.redistribution::before {
    background: linear-gradient(90deg, #45b7d1, #96c93d);
}

.philosophy-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.philosophy-card.redefinition:hover {
    border-color: #ff6b6b;
}

.philosophy-card.rebound:hover {
    border-color: #4ecdc4;
}

.philosophy-card.redistribution:hover {
    border-color: #45b7d1;
}

.philosophy-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
    display: block;
}

.philosophy-card h3 {
    font-size: 1.8rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.philosophy-card .korean {
    font-size: 1.2rem;
    color: #666;
    font-weight: 500;
}

.philosophy-card p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 2rem;
    font-size: 1rem;
}

.philosophy-examples {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.example-tag {
    background: #f8f9fa;
    color: #495057;
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid #e9ecef;
}

/* Business Section */
.business-section {
    padding: 100px 0;
    background: white;
}

.business-intro {
    text-align: center;
    font-size: 1.2rem;
    color: #666;
    margin-bottom: 4rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.business-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.business-card {
    background: white;
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    border: 2px solid #f8f9fa;
}

.business-card.current {
    border-color: #3498db;
    background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
}

.business-card.future {
    opacity: 0.8;
}

.business-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.business-icon {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
    display: block;
}

.business-card h3 {
    font-size: 1.6rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.business-status {
    font-size: 0.9rem;
    font-weight: 600;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    display: inline-block;
    margin-bottom: 1rem;
}

.business-card.current .business-status {
    background: #d4edda;
    color: #155724;
}

.business-card.future .business-status {
    background: #fff3cd;
    color: #856404;
}

.business-card p {
    color: #666;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.business-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
    margin-bottom: 1.5rem;
}

.business-links {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* About Section Updates */
.about-main {
    font-size: 1.2rem;
    color: #1f2937;
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.about-detail {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 2rem;
    line-height: 1.7;
}

/* Typography Improvements */
.hero-title {
    font-size: 3.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.hero-description {
    font-size: 1.3rem;
    margin-bottom: 2rem;
    opacity: 0.95;
    line-height: 1.6;
    font-weight: 400;
}

.section-title {
    text-align: center;
    font-size: 2.8rem;
    font-weight: 800;
    color: #1f2937;
    margin-bottom: 1rem;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Newsletter Section */
.newsletter-section {
    background: linear-gradient(135deg, #4f46e5 0%, #7c3aed 100%);
    color: white;
    padding: 80px 0;
}

.newsletter-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.newsletter-text h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.newsletter-text p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.newsletter-benefits {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.benefit-item {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.benefit-item i {
    color: #27ae60;
    font-size: 1.2rem;
}

.newsletter-form {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    border-radius: 20px;
    padding: 2rem;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.newsletter-signup .form-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.newsletter-signup input[type="email"] {
    flex: 1;
    padding: 15px 20px;
    border: none;
    border-radius: 10px;
    font-size: 1rem;
    background: rgba(255, 255, 255, 0.9);
    color: #1f2937;
}

.newsletter-signup input[type="email"]:focus {
    outline: none;
    background: white;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.newsletter-signup button {
    padding: 15px 25px;
    border: none;
    border-radius: 10px;
    background: #27ae60;
    color: white;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    white-space: nowrap;
}

.newsletter-signup button:hover {
    background: #229954;
    transform: translateY(-2px);
}

.form-checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 2rem;
}

.form-checkbox input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: #27ae60;
}

.form-checkbox label {
    font-size: 0.9rem;
    opacity: 0.9;
}

.form-checkbox label a {
    color: #74b9ff;
    text-decoration: underline;
}

.newsletter-stats {
    display: flex;
    gap: 2rem;
    justify-content: center;
}

.newsletter-stats .stat-item {
    text-align: center;
}

.newsletter-stats .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #74b9ff;
}

.newsletter-stats .stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

/* Team Section */
.team-section {
    background: #f8f9fa;
    padding: 80px 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-member {
    background: white;
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.member-photo {
    position: relative;
    width: 120px;
    height: 120px;
    margin: 0 auto 1.5rem;
    border-radius: 50%;
    overflow: hidden;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
}

.photo-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    font-size: 3rem;
}

.member-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.member-photo:hover .member-overlay {
    opacity: 1;
}

.member-overlay .social-links {
    display: flex;
    gap: 1rem;
}

.member-overlay .social-link {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    color: #4f46e5;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.member-overlay .social-link:hover {
    background: #667eea;
    color: white;
    transform: scale(1.1);
}

.member-info h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.member-role {
    color: #4f46e5;
    font-weight: 600;
    font-size: 1rem;
    margin-bottom: 1rem;
}

.member-description {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.member-skills {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.skill-tag {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 500;
}

.team-cta {
    text-align: center;
    margin-top: 4rem;
    padding: 3rem;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 20px;
    color: white;
}

.team-cta h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.team-cta p {
    font-size: 1.1rem;
    opacity: 0.9;
    margin-bottom: 2rem;
}

.team-cta .btn {
    background: white;
    color: #4f46e5;
    padding: 15px 30px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.team-cta .btn:hover {
    background: #f8f9fa;
    transform: translateY(-2px);
}

/* Instagram Feed Enhanced Styles */
.loading-posts {
    text-align: center;
    padding: 2rem;
    color: #6c757d;
}

.loading-posts i {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #4f46e5;
}

.instagram-post {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    margin-bottom: 1rem;
}

.instagram-post:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.post-image {
    position: relative;
    overflow: hidden;
}

.post-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.instagram-post:hover .post-image img {
    transform: scale(1.05);
}

.post-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}


/* Comments Modal Styles */
.comments-list {
    max-height: 300px;
    overflow-y: auto;
    padding: 1rem 0;
}

.comment-item {
    display: flex;
    gap: 1rem;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e9ecef;
}

.comment-item:last-child {
    border-bottom: none;
}

.comment-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #667eea;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.2rem;
}

.comment-content {
    flex: 1;
}

.comment-author {
    font-weight: 600;
    color: #1f2937;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.comment-text {
    color: #495057;
    font-size: 0.9rem;
    margin-bottom: 0.25rem;
}

.comment-time {
    color: #6c757d;
    font-size: 0.8rem;
}

.comment-form {
    display: flex;
    gap: 1rem;
    padding: 1rem 0;
    border-top: 1px solid #e9ecef;
}

.comment-input {
    flex: 1;
    padding: 0.5rem;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-size: 0.9rem;
}

.comment-input:focus {
    outline: none;
    border-color: #667eea;
}

/* Blog Section */
.blog-section {
    background: #f8f9fa;
    padding: 80px 0;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.blog-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 5px 20px rgba(0,0,0,0.1);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.blog-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0,0,0,0.15);
}

.blog-card.featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    align-items: center;
}

.blog-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

.blog-card.featured .blog-image {
    height: 100%;
}

.blog-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    font-size: 3rem;
}

.blog-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #e74c3c;
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.blog-content {
    padding: 1.5rem;
}

.blog-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.blog-category {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    font-size: 0.8rem;
    font-weight: 600;
}

.blog-date {
    color: #6c757d;
    font-size: 0.9rem;
}

.blog-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #1f2937;
    margin-bottom: 1rem;
    line-height: 1.4;
}

.blog-card.featured .blog-content h3 {
    font-size: 1.6rem;
}

.blog-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 1.5rem;
    font-size: 0.95rem;
}

.blog-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.blog-author {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: #6c757d;
    font-size: 0.9rem;
}

.blog-author i {
    color: #4f46e5;
}

.read-more {
    color: #4f46e5;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: color 0.3s ease;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.read-more:hover {
    color: #5a6fd8;
}

.read-more i {
    transition: transform 0.3s ease;
}

.read-more:hover i {
    transform: translateX(3px);
}

.blog-cta {
    text-align: center;
    margin-top: 3rem;
}

.blog-cta .btn {
    padding: 15px 30px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.blog-cta .btn:hover {
    transform: translateY(-2px);
}

/* Responsive Design Updates */
@media (max-width: 768px) {
    .floating-icon {
        font-size: 1.5rem;
    }
    
    .theme-toggle {
        width: 35px;
        height: 35px;
        font-size: 1rem;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2.2rem;
    }
    
    .philosophy-grid,
    .business-grid {
        grid-template-columns: 1fr;
    }
    
    .philosophy-card,
    .business-card {
        padding: 2rem 1.5rem;
    }
    
    /* Navigation Responsive */
    .nav-container {
        padding: 0 1rem;
    }
    
    .nav-menu {
        flex-direction: column;
        position: fixed;
        top: 80px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        padding: 1rem 0;
        box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    .nav-menu.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    
    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        margin: 0.5rem 0;
        border-radius: 8px;
        border: none;
        background: rgba(102, 126, 234, 0.1);
        margin: 0.5rem 1rem;
    }
    
    .hamburger {
        display: flex;
    }
    
    /* Feedback System Responsive */
    .feedback-system {
        padding: 1.5rem;
        margin: 0 1rem;
    }
    
    .feedback-form {
        padding: 1.5rem;
    }
    
    .feedback-stats {
        grid-template-columns: 1fr;
        gap: 0.8rem;
    }
    
    .feedback-stats .stat-item {
        padding: 1rem;
    }
    
    .category-tags {
        justify-content: center;
    }
    
    .tag-btn {
        font-size: 0.8rem;
        padding: 0.4rem 0.8rem;
    }
    
    .ideas-list {
        gap: 0.8rem;
    }
    
    .idea-item {
        flex-direction: column;
        gap: 0.8rem;
    }
    
    .idea-meta {
        flex-direction: column;
        gap: 0.5rem;
        align-items: flex-start;
    }
    
    /* Social Proof Responsive */
    .social-proof {
        flex-direction: column;
        gap: 1rem;
        padding: 15px;
    }
    
    .proof-item {
        min-width: auto;
    }
    
    .proof-number {
        font-size: 1.5rem;
    }
    
    .proof-label {
        font-size: 0.8rem;
    }
    
    .proof-divider {
        display: none;
    }
    
    /* Hero Buttons Responsive */
    .hero-buttons {
        flex-direction: column;
        align-items: center;
        gap: 1rem;
    }
    
    .btn-large {
        min-width: 280px;
        padding: 18px 30px;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .user-guide {
        flex-direction: column;
    }
    
    .guide-arrow {
        transform: rotate(90deg);
    }

    .newsletter-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .newsletter-text h2 {
        font-size: 2rem;
    }

    .newsletter-signup .form-group {
        flex-direction: column;
    }

    .newsletter-stats {
        flex-direction: column;
        gap: 1rem;
    }

    .team-grid {
        grid-template-columns: 1fr;
    }

    .team-member {
        padding: 1.5rem;
    }

    .member-photo {
        width: 100px;
        height: 100px;
    }

    .photo-placeholder {
        font-size: 2.5rem;
    }

    .team-cta {
        padding: 2rem;
    }

    .team-cta h3 {
        font-size: 1.5rem;
    }

    .blog-grid {
        grid-template-columns: 1fr;
    }

    .blog-card.featured {
        grid-column: span 1;
        display: block;
    }

    .blog-card.featured .blog-image {
        height: 200px;
    }

    .blog-content h3 {
        font-size: 1.2rem;
    }

    .blog-card.featured .blog-content h3 {
        font-size: 1.3rem;
    }
}

/* Tech Demo Modal Styles */
.tech-demo-content {
    padding: 1rem;
}

.demo-section {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.demo-section h4 {
    color: #1f2937;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.demo-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.feature-item i {
    color: #4f46e5;
    font-size: 1.2rem;
}

.demo-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.demo-stats .stat-item {
    text-align: center;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.demo-stats .stat-number {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: #4f46e5;
    margin-bottom: 0.25rem;
}

.demo-stats .stat-label {
    font-size: 0.9rem;
    color: #6c757d;
}

.roadmap {
    margin-top: 1rem;
}

.roadmap-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    margin-bottom: 1rem;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.roadmap-item.completed {
    background: #d4edda;
    border-left: 4px solid #28a745;
}

.roadmap-item.current {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
}

.roadmap-item.future {
    background: #e2e3e5;
    border-left: 4px solid #6c757d;
}

.roadmap-icon {
    font-size: 1.5rem;
}

.roadmap-content h5 {
    margin: 0 0 0.25rem 0;
    color: #1f2937;
    font-size: 1rem;
}

.roadmap-content p {
    margin: 0;
    color: #6c757d;
    font-size: 0.9rem;
}

/* Social Impact Modal Styles */
.impact-content {
    padding: 1rem;
}

.impact-intro {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.impact-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.impact-stat {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.impact-stat .stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: #4f46e5;
    margin-bottom: 0.5rem;
}

.impact-stat .stat-label {
    color: #6c757d;
    font-size: 0.9rem;
}

.impact-programs {
    margin-bottom: 2rem;
}

.program-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin-top: 1rem;
}

.program-card {
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.program-card:hover {
    transform: translateY(-3px);
}

.program-icon {
    font-size: 2rem;
    margin-bottom: 1rem;
}

.program-card h5 {
    color: #1f2937;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.program-card p {
    color: #6c757d;
    font-size: 0.9rem;
    line-height: 1.5;
}

.impact-testimonials {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 10px;
}

.testimonial {
    margin-bottom: 1rem;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    border-left: 4px solid #667eea;
}

.testimonial p {
    font-style: italic;
    color: #1f2937;
    margin-bottom: 0.5rem;
}

.testimonial-author {
    color: #6c757d;
    font-size: 0.9rem;
    font-weight: 600;
}

/* Partnerships Modal Styles */
.partnerships-content {
    padding: 1rem;
}

.partnerships-intro {
    text-align: center;
    margin-bottom: 2rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.partnerships-categories {
    margin-bottom: 2rem;
}

.partnership-category {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.partnership-category h4 {
    color: #1f2937;
    margin-bottom: 1rem;
    font-size: 1.2rem;
}

.partner-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1rem;
}

.partner-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8f9fa;
    border-radius: 8px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.partner-item:hover {
    background: #e9ecef;
    transform: translateY(-2px);
}

.partner-logo {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.partner-info h5 {
    margin: 0 0 0.25rem 0;
    color: #1f2937;
    font-size: 1rem;
}

.partner-info p {
    margin: 0;
    color: #6c757d;
    font-size: 0.9rem;
}

.partnership-benefits {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: #f8f9fa;
    border-radius: 10px;
}

.partnership-benefits h4 {
    color: #1f2937;
    margin-bottom: 1rem;
    text-align: center;
}

.partnership-benefits .benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.partnership-benefits .benefit-item {
    text-align: center;
    padding: 1rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.partnership-benefits .benefit-item i {
    font-size: 2rem;
    color: #4f46e5;
    margin-bottom: 0.5rem;
}

.partnership-benefits .benefit-item h5 {
    color: #1f2937;
    margin-bottom: 0.5rem;
    font-size: 1rem;
}

.partnership-benefits .benefit-item p {
    color: #6c757d;
    font-size: 0.9rem;
}

.partnership-cta {
    text-align: center;
    padding: 1.5rem;
    background: white;
    border-radius: 10px;
    box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.partnership-cta h4 {
    color: #1f2937;
    margin-bottom: 1rem;
}

.partnership-cta p {
    color: #6c757d;
    margin-bottom: 1.5rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Responsive Design for Modals */
@media (max-width: 768px) {
    .demo-features {
        grid-template-columns: 1fr;
    }
    
    .demo-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .impact-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .program-grid {
        grid-template-columns: 1fr;
    }
    
    .partner-list {
        grid-template-columns: 1fr;
    }
    
    .partnership-benefits .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    /* Mobile Navigation */
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-card);
        backdrop-filter: var(--blur-lg);
        width: 100%;
        height: calc(100vh - 70px);
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow-lg);
        padding: 2rem 0;
        border-top: 1px solid var(--border-light);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-item {
        margin: 1rem 0;
    }
    
    /* Community Section Responsive */
    .community-features {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        margin: 2rem 0;
    }
    
    .feature-card {
        padding: 2rem 1.5rem;
    }
    
    .community-feed {
        padding: 2rem 1.5rem;
    }
    
    .feed-item {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .user-avatar {
        align-self: center;
    }
    
    .feed-meta {
        flex-direction: column;
        gap: 1rem;
        align-items: center;
    }
    
    /* Quick Start Responsive */
    .quick-start-steps {
        flex-direction: column;
        gap: 1.5rem;
    }
    
    .step-arrow {
        transform: rotate(90deg);
        animation: bounce-vertical 2s ease-in-out infinite;
    }
    
    @keyframes bounce-vertical {
        0%, 100% { transform: rotate(90deg) translateX(0); }
        50% { transform: rotate(90deg) translateX(10px); }
    }
    
    .step-card {
        min-width: auto;
        max-width: 100%;
    }
}

/* Startup Notice Styles */
.startup-notice {
    background: linear-gradient(135deg, #f39c12, #e67e22);
    border-radius: 15px;
    padding: 20px;
    margin: 30px 0;
    text-align: center;
    color: white;
    box-shadow: 0 5px 15px rgba(243, 156, 18, 0.3);
    animation: startupPulse 2s infinite;
}

.startup-notice i {
    color: #fff;
    margin-right: 10px;
    font-size: 1.2em;
}

.startup-notice span {
    font-weight: 600;
    font-size: 1.1em;
}

@keyframes startupPulse {
    0% {
        transform: scale(1);
        box-shadow: 0 5px 15px rgba(243, 156, 18, 0.3);
    }
    50% {
        transform: scale(1.02);
        box-shadow: 0 8px 25px rgba(243, 156, 18, 0.5);
    }
    100% {
        transform: scale(1);
        box-shadow: 0 5px 15px rgba(243, 156, 18, 0.3);
    }
}

/* Loading States */
.loading-teams,
.loading-blogs,
.loading-posts {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
    color: #666;
    font-size: 1.1em;
}

.loading-teams i,
.loading-blogs i,
.loading-posts i {
    font-size: 2em;
    margin-bottom: 15px;
    color: #3498db;
}

.loading-teams p,
.loading-blogs p,
.loading-posts p {
    margin: 0;
    font-weight: 500;
}