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

/* Performance optimizations */
* {
    -webkit-tap-highlight-color: transparent;
}

img, video {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Reduce motion for users who prefer it */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1e40af;
    --primary-light: #3b82f6;
    --secondary-color: #1e293b;
    --accent-color: #10b981;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --text-lighter: #9ca3af;
    --bg-color: #FFFFFF;
    --bg-light: #F8FAFC;
    --bg-dark: #0f172a;
    --border-color: #E5E7EB;
    --shadow: 0 1px 3px rgba(0, 0, 0, 0.1), 0 1px 2px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px rgba(0, 0, 0, 0.1), 0 4px 6px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px rgba(0, 0, 0, 0.1), 0 10px 10px rgba(0, 0, 0, 0.04);
    --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-overlay: linear-gradient(180deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-color);
    line-height: 1.7;
    overflow-x: hidden;
    background: var(--gradient-primary);
    background-attachment: fixed;
    min-height: 100vh;
    height: 100%;
    position: relative;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    margin: 0;
    padding: 0;
    /* Performance */
    will-change: scroll-position;
    text-rendering: optimizeLegibility;
}

/* Smooth Page Load */
body.loaded {
    animation: fadeIn 0.5s ease-in;
}

/* Focus Visible for Accessibility */
*:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
    border-radius: 4px;
}

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

/* Navigation */
.navbar {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.98) 100%);
    backdrop-filter: blur(30px) saturate(180%);
    -webkit-backdrop-filter: blur(30px) saturate(180%);
    box-shadow: 
        0 20px 60px rgba(102, 126, 234, 0.15),
        0 8px 25px rgba(0, 0, 0, 0.1),
        0 0 0 1px rgba(255, 255, 255, 0.5),
        inset 0 1px 0 rgba(255, 255, 255, 0.9);
    position: fixed;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: calc(100% - 40px);
    max-width: 1400px;
    z-index: 1000;
    padding: 1.2rem 2.5rem;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    margin: 0 auto;
    animation: fadeInDown 0.6s ease-out;
    will-change: transform, box-shadow;
}

.navbar:hover {
    box-shadow: 
        0 25px 70px rgba(102, 126, 234, 0.2),
        0 10px 30px rgba(0, 0, 0, 0.12),
        0 0 0 1px rgba(255, 255, 255, 0.6),
        inset 0 1px 0 rgba(255, 255, 255, 1);
    transform: translateX(-50%) translateY(-2px);
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateX(-50%) translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(-50%) translateY(0);
    }
}

.navbar.scrolled {
    top: 10px;
    padding: 0.9rem 2rem;
    box-shadow: 
        0 15px 50px rgba(102, 126, 234, 0.12),
        0 6px 20px rgba(0, 0, 0, 0.08),
        0 0 0 1px rgba(255, 255, 255, 0.4);
    border-radius: 18px;
}

.navbar .container {
    padding: 0;
    width: 100%;
    max-width: 100%;
}

.nav-wrapper {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 2rem;
    width: 100%;
}

@media (max-width: 1200px) {
    .nav-wrapper {
        grid-template-columns: auto 1fr auto;
        gap: 1.5rem;
    }
    
    .nav-menu {
        justify-content: center;
    }
}

.admin-controls {
    display: flex;
    align-items: center;
    gap: 1rem;
    flex-shrink: 0;
    margin-left: auto;
}

.btn-admin {
    padding: 6px 12px;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.85rem;
}

.btn-admin:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.admin-badge {
    background: var(--primary-color);
    color: white;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    flex-shrink: 0;
    padding: 0.5rem 1rem;
    border-radius: 12px;
    position: relative;
    overflow: hidden;
}

.logo::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(102, 126, 234, 0.1), transparent);
    transition: left 0.5s ease;
    z-index: -1;
}

.logo:hover::before {
    left: 100%;
}

.logo:hover {
    color: #667eea;
    transform: translateX(3px);
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.05) 0%, rgba(118, 75, 162, 0.05) 100%);
}

.logo-img {
    width: 42px;
    height: 42px;
    object-fit: contain;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    filter: drop-shadow(0 2px 6px rgba(102, 126, 234, 0.2));
    border-radius: 8px;
    padding: 2px;
}

.logo:hover .logo-img {
    transform: scale(1.1) rotate(5deg);
    filter: drop-shadow(0 6px 12px rgba(102, 126, 234, 0.4));
}

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
    gap: 0.1rem;
}

.logo-line-1,
.logo-line-2 {
    display: block;
    font-size: 1.3rem;
    font-weight: 700;
    white-space: nowrap;
}

.logo-line-1 {
    color: var(--secondary-color);
}

.logo-line-2 {
    color: #667eea;
    font-size: 1.25rem;
}

.footer-logo-img {
    width: 32px;
    height: 32px;
    object-fit: contain;
    filter: brightness(0) invert(1);
    opacity: 0.9;
    transition: var(--transition);
}

.footer .logo:hover .footer-logo-img {
    opacity: 1;
    transform: scale(1.1);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0;
    padding: 0;
}

.nav-menu a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    font-size: 0.95rem;
    padding: 0.6rem 1rem;
    border-radius: 10px;
    display: inline-block;
    background: transparent;
}

.nav-menu a::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border-radius: 10px;
    opacity: 0;
    transform: scale(0.8);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: -1;
}

.nav-menu a:hover {
    color: #667eea;
    transform: translateY(-2px);
}

.nav-menu a:hover::before {
    opacity: 1;
    transform: scale(1);
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 3px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    border-radius: 3px;
    box-shadow: 0 2px 8px rgba(102, 126, 234, 0.4);
}

.nav-menu a:hover::after,
.nav-menu a.active::after {
    width: calc(100% - 2rem);
}

.nav-menu a.active {
    color: #667eea;
    font-weight: 600;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.08) 0%, rgba(118, 75, 162, 0.08) 100%);
}

.nav-menu a.active::before {
    opacity: 1;
    transform: scale(1);
}

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    border: 1px solid rgba(102, 126, 234, 0.2);
    cursor: pointer;
    padding: 10px 12px;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1001;
    position: relative;
    overflow: hidden;
}

.mobile-menu-toggle::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
    transition: left 0.3s ease;
}

.mobile-menu-toggle:hover::before {
    left: 100%;
}

.mobile-menu-toggle:hover {
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.15) 0%, rgba(118, 75, 162, 0.15) 100%);
    border-color: rgba(102, 126, 234, 0.4);
    transform: scale(1.05);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.2);
}

.mobile-menu-toggle span {
    width: 24px;
    height: 3px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    border-radius: 3px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: block;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-color);
    border-radius: 3px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 180px 0 120px;
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    margin-top: 0;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
    z-index: 0;
}

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -10%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
    border-radius: 50%;
    z-index: 0;
}

.hero .container {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-logo-container {
    margin-bottom: 2rem;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-logo {
    width: 120px;
    height: 120px;
    object-fit: contain;
    filter: drop-shadow(0 8px 24px rgba(0, 0, 0, 0.3));
    animation: float 3s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    line-height: 1.1;
    color: white;
    letter-spacing: -0.02em;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-subtitle {
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-buttons {
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-stats {
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.hero-image {
    animation: slideInRight 1s ease-out 0.4s both;
}

.hero-subtitle {
    font-size: 1.35rem;
    margin-bottom: 2.5rem;
    color: rgba(255, 255, 255, 0.95);
    line-height: 1.7;
    font-weight: 400;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.btn {
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition);
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    transform: translate(-50%, -50%);
    transition: width 0.6s, height 0.6s;
}

.btn-primary:hover::before {
    width: 300px;
    height: 300px;
}

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

.btn-primary:active {
    transform: translateY(-1px);
    box-shadow: var(--shadow-lg);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.15);
    color: white;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.hero-stats {
    display: flex;
    gap: 4rem;
    margin-top: 4rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.3);
    position: relative;
    z-index: 2;
}

.stat-item {
    text-align: center;
    position: relative;
    z-index: 2;
}

.stat-number {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    color: white;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5), 0 2px 10px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 0.5rem 1.5rem;
    border-radius: 12px;
    display: inline-block;
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.stat-label {
    font-size: 0.95rem;
    color: white;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    margin-top: 0.75rem;
    display: block;
}

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

.mockup {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(20px);
    border-radius: 20px;
    box-shadow: var(--shadow-xl);
    overflow: hidden;
    width: 100%;
    max-width: 500px;
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.mockup-header {
    background: rgba(255, 255, 255, 0.1);
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}

.mockup-dots {
    display: flex;
    gap: 6px;
}

.mockup-dots span {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--border-color);
}

.mockup-title {
    flex: 1;
    text-align: center;
    font-weight: 600;
}

.mockup-content {
    padding: 2rem;
}

.file-tree {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 0.5rem;
    border-radius: 6px;
    transition: var(--transition);
}

.file-item:hover {
    background: var(--bg-light);
}

.file-item .icon {
    font-size: 1.2rem;
}

/* Features Section */
.features {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    z-index: 1;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-header h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: white;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

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

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

.feature-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-md);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    text-align: center;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    cursor: pointer;
    /* Performance */
    will-change: transform;
    transform: translateZ(0);
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.feature-card:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-2xl);
    border-color: var(--primary-color);
}

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

.feature-card:active {
    transform: translateY(-8px) scale(1.01);
}


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

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.feature-card p {
    color: var(--text-light);
    line-height: 1.8;
}

/* Download Section */
.download {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.download-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.download-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 16px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.download-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.platform-icon {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.download-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.download-card p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
}

.btn-link {
    display: block;
    margin-top: 1rem;
    color: var(--primary-color);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.btn-link:hover {
    text-decoration: underline;
}

.download-info {
    background: var(--bg-light);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    border-left: 4px solid var(--primary-color);
}

/* About Section */
.about {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    z-index: 1;
}

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

.about-text h2 {
    font-size: 3rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: white;
    letter-spacing: -0.02em;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.about-text p {
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-size: 1.1rem;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.about-feature-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: white;
    font-weight: 500;
}

.check-icon {
    color: var(--primary-color);
    font-weight: 700;
    font-size: 1.2rem;
}

.code-block {
    background: var(--bg-dark);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.code-header {
    background: #2d2d2d;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.code-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.code-dot.red {
    background: #ff5f56;
}

.code-dot.yellow {
    background: #ffbd2e;
}

.code-dot.green {
    background: #27c93f;
}

.code-title {
    color: #888;
    font-size: 0.9rem;
    margin-left: auto;
}

.code-content {
    padding: 2rem;
}

.code-content pre {
    color: #f8f8f2;
    font-family: 'Courier New', monospace;
    line-height: 1.8;
    margin: 0;
}

.code-content code {
    font-size: 0.9rem;
}

/* Contact Section */
.contact {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    z-index: 1;
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    text-align: center;
    padding: 2.5rem 2rem;
    background: white;
    border-radius: 16px;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
}

.contact-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

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

.contact-item h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.contact-item p {
    color: var(--text-light);
}

.contact-form {
    background: white;
    padding: 3rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-family: inherit;
    font-size: 1rem;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    background: white;
    color: var(--text-color);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
    transform: translateY(-1px);
}

.form-group input:hover,
.form-group textarea:hover,
.form-group select:hover {
    border-color: var(--primary-light);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-lighter);
}

/* Footer */
.footer {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 80px 0 30px;
    margin-top: 0;
    margin-bottom: 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h4 {
    margin-bottom: 1.5rem;
    font-size: 1.2rem;
}

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

.footer-section ul li {
    margin-bottom: 0.75rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: var(--transition);
}

.footer-section a:hover {
    color: var(--primary-color);
}

.footer-section .logo {
    color: white;
    margin-bottom: 1rem;
}

.footer-section p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.8;
}

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

.social-links a {
    font-size: 1.5rem;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.footer-admin-controls {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 1rem;
}

.btn-admin-footer {
    padding: 8px 16px;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
    font-size: 0.9rem;
    color: white;
}

.btn-admin-footer:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

.admin-badge-footer {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

/* Smooth Scrolling */
html {
    scroll-behavior: smooth;
    background: var(--gradient-primary);
    min-height: 100%;
    height: 100%;
}

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

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.9);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.7;
    }
}

/* Scroll Reveal Animation */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Stagger Animation */
.reveal-stagger {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.reveal-stagger.active {
    opacity: 1;
    transform: translateY(0);
}

.reveal-stagger:nth-child(1) { transition-delay: 0.1s; }
.reveal-stagger:nth-child(2) { transition-delay: 0.2s; }
.reveal-stagger:nth-child(3) { transition-delay: 0.3s; }
.reveal-stagger:nth-child(4) { transition-delay: 0.4s; }
.reveal-stagger:nth-child(5) { transition-delay: 0.5s; }
.reveal-stagger:nth-child(6) { transition-delay: 0.6s; }

/* Responsive Design */
@media (max-width: 968px) {
    .hero .container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .contact-content {
        grid-template-columns: 1fr;
    }

    .navbar {
        position: fixed;
        top: 10px;
        left: 50%;
        transform: translateX(-50%);
        width: calc(100% - 20px);
        border-radius: 12px;
        padding: 0.75rem 1rem;
    }

    .navbar .container {
        padding: 0;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 80px;
        flex-direction: column;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        width: calc(100% - 40px);
        max-width: 500px;
        margin: 0 20px;
        text-align: center;
        transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
        padding: 2rem 0;
        border-radius: 16px;
        z-index: 999;
        opacity: 0;
        transform: translateX(-20px);
    }

    .nav-menu.active {
        left: 0;
        opacity: 1;
        transform: translateX(0);
    }

    .nav-menu li {
        width: 100%;
    }

    .nav-menu a {
        display: block;
        padding: 1rem 2rem;
        width: 100%;
        border-radius: 0;
    }

    .nav-menu a::after {
        display: none;
    }

    .nav-menu a:hover {
        background: var(--bg-light);
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .hero-stats {
        justify-content: center;
    }
}

@media (max-width: 768px) {
    .hero-title {
        font-size: 2rem;
    }

    .section-header h2 {
        font-size: 2rem;
    }

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

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

    .about-features {
        grid-template-columns: 1fr;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        text-align: center;
    }

    .navbar {
        position: fixed;
        top: 10px;
        left: 50%;
        transform: translateX(-50%);
        width: calc(100% - 20px);
        border-radius: 12px;
        padding: 0.75rem 1rem;
    }

    .logo {
        font-size: 0.9rem;
    }

    .logo-img {
        width: 32px;
        height: 32px;
    }

    .logo-line-1,
    .logo-line-2 {
        font-size: 0.9rem;
        white-space: normal;
    }

    .logo-line-2 {
        font-size: 0.8rem;
    }

    .nav-wrapper {
        grid-template-columns: auto 1fr auto;
        gap: 0.75rem;
    }

    .hero-logo {
        width: 80px;
        height: 80px;
    }

    .admin-controls {
        flex-direction: column;
        gap: 0.5rem;
    }

    .btn-admin {
        font-size: 0.8rem;
        padding: 6px 12px;
    }

    .admin-badge {
        font-size: 0.75rem;
        padding: 4px 8px;
    }

    .container {
        padding: 0 15px;
        max-width: 100%;
        box-sizing: border-box;
    }
}

/* Calendar Section */
.calendar-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    z-index: 1;
    width: 100%;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    min-height: 500px;
}

.calendar-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.calendar-month-year {
    flex: 1;
    text-align: center;
}

.calendar-month-year h3 {
    font-size: 1.8rem;
    color: white;
    margin: 0;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.btn-calendar-nav {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    color: white;
    transition: var(--transition);
}

.btn-calendar-nav:hover {
    background: rgba(255, 255, 255, 0.3);
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.calendar-wrapper {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 3rem;
    width: 100%;
    box-sizing: border-box;
    min-height: 400px;
    display: block !important;
    visibility: visible !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.calendar-grid {
    display: grid !important;
    grid-template-columns: repeat(7, 1fr);
    gap: 10px;
    width: 100%;
    min-height: 300px;
    visibility: visible !important;
    opacity: 1 !important;
}

.calendar-day-header {
    text-align: center;
    font-weight: 600;
    padding: 1rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.calendar-day {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    padding: 1rem;
    min-height: 100px;
    cursor: pointer;
    transition: var(--transition);
    position: relative;
}

.calendar-day:hover {
    border-color: var(--primary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.calendar-day.other-month {
    opacity: 0.4;
    background: var(--bg-light);
}

.calendar-day.today {
    border-color: var(--primary-color);
    background: rgba(139, 69, 19, 0.1);
}

.calendar-day-number {
    font-weight: 600;
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.calendar-event {
    font-size: 0.75rem;
    padding: 4px 8px;
    border-radius: 4px;
    margin-bottom: 4px;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.calendar-event.book {
    background: #4CAF50;
    color: white;
}

.calendar-event.movie {
    background: #2196F3;
    color: white;
}

.calendar-event.meeting {
    background: #FF9800;
    color: white;
}

.calendar-event.other {
    background: #9C27B0;
    color: white;
}

.calendar-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.stat-card {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    padding: 1.5rem;
    border-radius: 12px;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: var(--transition);
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.25);
}

.stat-icon {
    font-size: 2.5rem;
}

.stat-info {
    flex: 1;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.9);
    text-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
}

/* Library Section */
.library-section {
    margin-top: 3rem;
}

.library-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
}

.tab-btn {
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: none;
    border-bottom: 3px solid transparent;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    font-weight: 600;
    color: white;
    transition: var(--transition);
    font-size: 1rem;
}

.tab-btn.active {
    color: white;
    background: rgba(255, 255, 255, 0.3);
    border-bottom-color: white;
}

.tab-btn:hover {
    color: white;
    background: rgba(255, 255, 255, 0.25);
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.library-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.5rem;
}

.library-header h3 {
    font-size: 1.5rem;
    color: white;
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

.library-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.library-item {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.library-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.library-item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.library-item-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.library-item-author {
    color: var(--text-light);
    font-size: 0.9rem;
}

.library-item-rating {
    display: flex;
    gap: 2px;
    margin: 0.5rem 0;
}

.star {
    color: #FFD700;
    font-size: 1.2rem;
}

.star.empty {
    color: var(--border-color);
}

.library-item-date {
    font-size: 0.85rem;
    color: var(--text-light);
    margin-top: 0.5rem;
}

.library-item-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.btn-icon {
    padding: 6px 12px;
    background: var(--bg-light);
    border: none;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition);
}

.btn-icon:hover {
    background: var(--primary-color);
    color: white;
}

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

.suggestion-item {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.suggestion-info h4 {
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.suggestion-info p {
    color: var(--text-light);
    font-size: 0.9rem;
}

.suggestion-votes {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.vote-btn {
    padding: 8px 16px;
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition);
}

.vote-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.vote-count {
    font-weight: 600;
    color: var(--primary-color);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: fadeIn 0.3s ease-out;
    overflow-y: auto;
    padding: 20px;
}

.modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background-color: white;
    margin: auto;
    padding: 2.5rem;
    border-radius: 20px;
    width: 90%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25), 0 0 0 1px rgba(0, 0, 0, 0.05);
    animation: scaleIn 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    transform-origin: center;
}

.modal-content::-webkit-scrollbar {
    width: 8px;
}

.modal-content::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: 4px;
}

.modal-content::-webkit-scrollbar-thumb {
    background: var(--border-color);
    border-radius: 4px;
}

.modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--text-light);
}

.close-modal {
    position: absolute;
    right: 20px;
    top: 20px;
    font-size: 2rem;
    font-weight: bold;
    color: var(--text-light);
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--bg-light);
    line-height: 1;
}

.close-modal:hover {
    color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
    transform: rotate(90deg) scale(1.1);
}

.close-modal:active {
    transform: rotate(90deg) scale(0.95);
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-hint {
    display: block;
    margin-top: 0.5rem;
    font-size: 0.85rem;
    color: var(--text-light);
}

.form-hint code {
    background: var(--bg-light);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: monospace;
    color: var(--primary-color);
}

.admin-info {
    background: var(--bg-light);
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
    color: var(--text-light);
    font-size: 0.9rem;
}

.admin-settings h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.btn-danger {
    background: #f44336;
    color: white;
}

.btn-danger:hover {
    background: #d32f2f;
}

.event-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

.event-detail {
    margin-bottom: 1.5rem;
}

.event-detail h3 {
    color: var(--secondary-color);
    margin-bottom: 1rem;
}

.event-detail-item {
    margin-bottom: 1rem;
    padding: 1rem;
    background: var(--bg-light);
    border-radius: 8px;
}

.event-detail-item strong {
    color: var(--primary-color);
}

.participants-list {
    margin-top: 1rem;
}

.participant-item {
    padding: 0.75rem;
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    margin-bottom: 0.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

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

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Skeleton Loading */
.skeleton {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: loading 1.5s ease-in-out infinite;
    border-radius: 4px;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}

.skeleton-text {
    height: 1em;
    margin-bottom: 0.5em;
}

.skeleton-title {
    height: 2em;
    width: 60%;
    margin-bottom: 1em;
}

.skeleton-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

/* Loading Overlay */
.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
}

.loading-overlay.active {
    opacity: 1;
    visibility: visible;
}

.loading-overlay .spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Responsive Calendar */
@media (max-width: 768px) {
    .calendar-section {
        padding: 60px 0 !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: 100% !important;
        overflow-x: visible !important;
        position: relative !important;
        z-index: 1 !important;
    }

    .calendar-section .container {
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 10px !important;
        box-sizing: border-box !important;
        overflow-x: visible !important;
    }

    .calendar-wrapper {
        padding: 1rem !important;
        margin: 0 0 2rem 0 !important;
        width: 100% !important;
        box-sizing: border-box !important;
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        overflow-x: visible !important;
    }

    .calendar-grid {
        gap: 4px !important;
        display: grid !important;
        grid-template-columns: repeat(7, 1fr) !important;
        width: 100% !important;
        visibility: visible !important;
        opacity: 1 !important;
        overflow-x: visible !important;
        box-sizing: border-box !important;
    }

    .calendar-day {
        min-height: 70px;
        padding: 0.4rem;
        font-size: 0.85rem;
    }

    .calendar-day-number {
        font-size: 0.9rem;
        margin-bottom: 0.3rem;
    }

    .calendar-event {
        font-size: 0.6rem;
        padding: 2px 4px;
        margin-bottom: 2px;
    }

    .calendar-controls {
        flex-direction: column;
        align-items: stretch;
        margin: 0 10px 1.5rem;
    }

    .calendar-month-year h3 {
        font-size: 1.3rem;
    }

    .calendar-stats {
        grid-template-columns: 1fr;
        margin: 0 10px 2rem;
    }

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

    .modal-content {
        width: 95%;
        padding: 1.5rem;
    }
}

/* Forum Section */
.forum-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-image: none !important;
    position: relative;
    z-index: 1;
    isolation: isolate;
}

.forum-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.forum-search {
    flex: 1;
    max-width: 400px;
}

.forum-search input {
    width: 100%;
    padding: 12px;
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 8px;
    font-size: 1rem;
    color: white;
}

.forum-search input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.forum-topics {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.forum-topic {
    background: white;
    border: 2px solid var(--border-color);
    border-radius: 12px;
    padding: 1.5rem;
    transition: var(--transition);
    cursor: pointer;
}

.forum-topic:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow);
    transform: translateY(-2px);
}

.topic-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: 1rem;
}

.topic-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--secondary-color);
    margin-bottom: 0.5rem;
}

.topic-meta {
    display: flex;
    gap: 1rem;
    font-size: 0.9rem;
    color: var(--text-light);
    flex-wrap: wrap;
}

.topic-category {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.topic-category.book {
    background: #E8F5E9;
    color: #2E7D32;
}

.topic-category.movie {
    background: #E3F2FD;
    color: #1565C0;
}

.topic-category.event {
    background: #FFF3E0;
    color: #E65100;
}

.topic-category.general {
    background: #F3E5F5;
    color: #6A1B9A;
}

.topic-preview {
    color: var(--text-light);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.topic-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
}

.topic-stats {
    display: flex;
    gap: 1.5rem;
    font-size: 0.9rem;
    color: var(--text-light);
}

.topic-actions {
    display: flex;
    gap: 0.5rem;
}

.modal-large {
    max-width: 800px;
}

.topic-detail-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid var(--border-color);
}

.topic-detail-content {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 8px;
    line-height: 1.8;
}

.topic-replies {
    margin-top: 2rem;
}

.reply-item {
    background: white;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
    margin-bottom: 1rem;
}

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

.reply-author {
    font-weight: 600;
    color: var(--secondary-color);
}

.reply-date {
    font-size: 0.85rem;
    color: var(--text-light);
}

.reply-content {
    line-height: 1.8;
    color: var(--text-color);
}

.reply-form {
    margin-top: 2rem;
    padding-top: 2rem;
    border-top: 2px solid var(--border-color);
}

/* Gallery Section */
.gallery-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    background-image: none !important;
    position: relative;
    z-index: 1;
    isolation: isolate;
}

/* Details Section */
.details-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    z-index: 1;
}

.details-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.details-content {
    margin-top: 2rem;
}

.detail-tab-content {
    display: none;
}

.detail-tab-content.active {
    display: block;
}

.details-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 2rem;
}

.detail-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    cursor: pointer;
    border: 1px solid var(--border-color);
}

.detail-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.detail-card-image {
    width: 100%;
    height: 300px;
    object-fit: cover;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
}

.detail-card-content {
    padding: 1.5rem;
}

.detail-card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--secondary-color);
}

.detail-card-author {
    color: var(--text-light);
    margin-bottom: 1rem;
    font-size: 0.95rem;
}

.detail-card-rating {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.detail-card-description {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.detail-card-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.detail-card-link {
    flex: 1;
    padding: 0.5rem 1rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    text-align: center;
    font-size: 0.9rem;
    transition: var(--transition);
}

.detail-card-link:hover {
    background: var(--primary-dark);
}

/* Blog Section */
.blog-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    z-index: 1;
    isolation: isolate;
}

.blog-controls {
    display: flex;
    justify-content: flex-end;
    margin-bottom: 2rem;
}

.blog-tabs {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.blog-content {
    margin-top: 2rem;
}

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

.blog-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
}

.blog-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.blog-card-image {
    width: 100%;
    height: 200px;
    object-fit: cover;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.blog-card-content {
    padding: 1.5rem;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card-type {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background: var(--primary-color);
    color: white;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    margin-bottom: 1rem;
    width: fit-content;
}

.blog-card-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
    color: var(--secondary-color);
    line-height: 1.3;
}

.blog-card-excerpt {
    color: var(--text-light);
    line-height: 1.6;
    margin-bottom: 1rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.blog-card-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
    color: var(--text-light);
}

.blog-card-actions {
    display: flex;
    gap: 0.5rem;
}

.btn-icon-small {
    padding: 0.25rem 0.5rem;
    background: transparent;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    transition: var(--transition);
    border-radius: 4px;
}

.btn-icon-small:hover {
    background: var(--bg-light);
}

.modal-large {
    max-width: 800px;
}

#detailModalContent {
    padding: 2rem;
}

.detail-full {
    display: grid;
    grid-template-columns: 300px 1fr;
    gap: 2rem;
}

.detail-full-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    border-radius: 12px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 5rem;
    color: white;
}

.detail-full-content h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.detail-full-meta {
    display: flex;
    gap: 2rem;
    margin-bottom: 1.5rem;
    color: var(--text-light);
}

.detail-full-description {
    line-height: 1.8;
    color: var(--text-color);
    margin-bottom: 1.5rem;
}

.detail-full-links {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.detail-full-links a {
    padding: 0.75rem 1.5rem;
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 8px;
    font-weight: 600;
    transition: var(--transition);
}

.detail-full-links a:hover {
    background: var(--primary-dark);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .detail-full {
        grid-template-columns: 1fr;
    }
    
    .blog-grid {
        grid-template-columns: 1fr;
    }
    
    .details-grid {
        grid-template-columns: 1fr;
    }
}

.gallery-controls {
    margin-bottom: 2rem;
    text-align: right;
}

.gallery-tabs {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    border-bottom: 2px solid rgba(255, 255, 255, 0.3);
}

.gallery-tab-content {
    display: none;
}

.gallery-tab-content.active {
    display: block;
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.gallery-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    cursor: pointer;
    aspect-ratio: 1;
}

.gallery-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.gallery-item img,
.gallery-item video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-item-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 1rem;
    color: white;
    transform: translateY(100%);
    transition: var(--transition);
}

.gallery-item:hover .gallery-item-overlay {
    transform: translateY(0);
}

.gallery-item-title {
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.gallery-item-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.gallery-item-delete {
    background: rgba(244, 67, 54, 0.8);
    color: white;
    border: none;
    padding: 6px 12px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 0.85rem;
}

.event-media-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.event-media-group {
    background: var(--bg-light);
    border-radius: 12px;
    padding: 1.5rem;
}

.event-media-group h4 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.event-media-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1rem;
}

.event-media-section {
    margin: 2rem 0;
    padding: 1.5rem;
    background: var(--bg-light);
    border-radius: 12px;
}

.event-media-section h4 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .forum-controls {
        flex-direction: column;
    }

    .forum-search {
        max-width: 100%;
    }

    .topic-header {
        flex-direction: column;
        gap: 1rem;
    }

    .topic-footer {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .gallery-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: 1rem;
    }

    .modal-large {
        max-width: 95%;
    }

    .reply-item {
        padding: 1rem;
    }

    /* Touch-friendly buttons */
    .btn {
        min-height: 44px;
        min-width: 44px;
    }

    /* Swipe gestures for mobile */
    .calendar-day {
        touch-action: pan-y;
    }

    /* Ensure calendar section is visible on mobile */
    .calendar-section {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
        position: relative !important;
        z-index: 1 !important;
    }

    .calendar-wrapper {
        display: block !important;
        visibility: visible !important;
        opacity: 1 !important;
    }

    .calendar-grid {
        display: grid !important;
        visibility: visible !important;
        opacity: 1 !important;
    }

    /* Better mobile navigation */
    .nav-menu {
        padding: 1rem 0;
    }

    .nav-menu a {
        padding: 0.75rem 1rem;
        display: block;
    }
}

/* PWA Install Prompt */
.install-prompt {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    background: white;
    padding: 1rem 1.5rem;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    display: none;
    align-items: center;
    gap: 1rem;
    z-index: 3000;
    max-width: 90%;
}

.install-prompt.show {
    display: flex;
}

.install-prompt button {
    padding: 8px 16px;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 600;
}

.install-prompt .install-btn {
    background: var(--primary-color);
    color: white;
}

.install-prompt .dismiss-btn {
    background: var(--bg-light);
    color: var(--text-color);
}

/* Offline Indicator */
.offline-indicator {
    position: fixed;
    top: 80px;
    right: 20px;
    background: #f44336;
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    display: none;
    z-index: 2000;
    box-shadow: var(--shadow);
}

.offline-indicator.show {
    display: block;
}

/* Loading Spinner */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255,255,255,.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}


/* PREMIUM VISUAL ENHANCEMENTS */
/* Custom Scrollbar */
::-webkit-scrollbar { width: 12px; height: 12px; }
::-webkit-scrollbar-track { background: rgba(255, 255, 255, 0.1); border-radius: 10px; }
::-webkit-scrollbar-thumb { background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); border-radius: 10px; transition: all 0.3s ease; }
::-webkit-scrollbar-thumb:hover { background: linear-gradient(135deg, #764ba2 0%, #667eea 100%); }
.scroll-progress { position: fixed; top: 0; left: 0; width: 0%; height: 4px; background: linear-gradient(90deg, #667eea 0%, #764ba2 50%, #f093fb 100%); z-index: 10000; transition: width 0.1s ease-out; box-shadow: 0 2px 10px rgba(102, 126, 234, 0.5); }

/* Enhanced Card Hover Shine Effect */
.feature-card::after, .library-item::after, .forum-topic::after, .detail-card::after, .blog-card::after {
    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; pointer-events: none;
}
.feature-card:hover::after, .library-item:hover::after, .forum-topic:hover::after, .detail-card:hover::after, .blog-card:hover::after { left: 100%; }

/* Enhanced Focus States */
.form-group input:focus, .form-group textarea:focus, .form-group select:focus {
    transform: translateY(-2px); box-shadow: 0 8px 25px rgba(102, 126, 234, 0.2), 0 0 0 4px rgba(102, 126, 234, 0.1);
}

/* Enhanced Tab Transitions */
.tab-btn { position: relative; overflow: hidden; }
.tab-btn::before {
    content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 3px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.tab-btn.active::before { width: 100%; }

/* Enhanced Modal Animations */
.modal.show { animation: modalFadeIn 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.modal-content { animation: modalSlideUp 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
@keyframes modalFadeIn {
    from { opacity: 0; backdrop-filter: blur(0px); }
    to { opacity: 1; backdrop-filter: blur(8px); }
}
@keyframes modalSlideUp {
    from { opacity: 0; transform: translateY(30px) scale(0.95); }
    to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Enhanced Stat Cards Pulse */
.stat-card::before {
    content: ''; position: absolute; top: -50%; right: -50%; width: 200%; height: 200%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
    animation: statPulse 3s ease-in-out infinite; pointer-events: none;
}
@keyframes statPulse {
    0%, 100% { transform: scale(1); opacity: 0.5; }
    50% { transform: scale(1.1); opacity: 0.8; }
}

/* Enhanced Section Headers */
.section-header h2 { position: relative; display: inline-block; }
.section-header h2::after {
    content: ''; position: absolute; bottom: -10px; left: 50%; transform: translateX(-50%);
    width: 60px; height: 4px; background: linear-gradient(90deg, transparent, #ffffff, transparent);
    border-radius: 2px;
}

/* Enhanced Gallery Items */
.gallery-item::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.3) 0%, rgba(118, 75, 162, 0.3) 100%);
    opacity: 0; transition: opacity 0.3s ease; z-index: 1; pointer-events: none;
}
.gallery-item:hover::before { opacity: 1; }
.gallery-item img, .gallery-item video { transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1); }
.gallery-item:hover img, .gallery-item:hover video { transform: scale(1.1); }

/* Enhanced Calendar Day */
.calendar-day { position: relative; overflow: hidden; }
.calendar-day::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; border-radius: 8px;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.1) 100%);
    opacity: 0; transition: opacity 0.3s ease; z-index: 0; pointer-events: none;
}
.calendar-day:hover::before { opacity: 1; }
.calendar-day.today::before {
    opacity: 1; background: linear-gradient(135deg, rgba(102, 126, 234, 0.2) 0%, rgba(118, 75, 162, 0.2) 100%);
}

/* Enhanced Calendar Event */
.calendar-event { position: relative; overflow: hidden; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.calendar-event::before {
    content: ''; position: absolute; top: 0; left: -100%; width: 100%; height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s; pointer-events: none;
}
.calendar-event:hover::before { left: 100%; }
.calendar-event:hover { transform: translateX(3px); box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2); }

/* Enhanced Contact Items */
.contact-item { position: relative; overflow: hidden; }
.contact-item::before {
    content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    transform: scaleY(0); transform-origin: top; transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}
.contact-item:hover::before { transform: scaleY(1); }

/* Enhanced Icons Animations */
.feature-icon, .contact-icon, .stat-icon, .platform-icon {
    display: inline-block; transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.feature-card:hover .feature-icon {
    transform: scale(1.2) rotate(5deg); filter: drop-shadow(0 4px 12px rgba(102, 126, 234, 0.3));
}
.contact-item:hover .contact-icon {
    transform: scale(1.2) rotate(-5deg); filter: drop-shadow(0 4px 12px rgba(102, 126, 234, 0.3));
}
.stat-card:hover .stat-icon {
    transform: scale(1.15) rotate(5deg); filter: drop-shadow(0 4px 12px rgba(255, 255, 255, 0.3));
}
.download-card:hover .platform-icon {
    transform: scale(1.2) rotate(5deg); filter: drop-shadow(0 4px 12px rgba(102, 126, 234, 0.3));
}

/* Enhanced Logo Animation */
.logo-img, .hero-logo { transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.logo:hover .logo-img, .hero-logo-container:hover .hero-logo {
    filter: drop-shadow(0 8px 16px rgba(102, 126, 234, 0.4)); transform: scale(1.1) rotate(5deg);
}

/* Enhanced Mobile Menu Animation */
.nav-menu.active { animation: slideInFromLeft 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
@keyframes slideInFromLeft {
    from { opacity: 0; transform: translateX(-30px); }
    to { opacity: 1; transform: translateX(0); }
}

/* Enhanced Text Selection */
::selection { background: rgba(102, 126, 234, 0.3); color: white; }
::-moz-selection { background: rgba(102, 126, 234, 0.3); color: white; }

/* Enhanced Library Item Border */
.library-item { position: relative; overflow: hidden; }
.library-item::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, #667eea 0%, #764ba2 100%);
    transform: scaleX(0); transform-origin: left; transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}
.library-item:hover::before { transform: scaleX(1); }

/* Enhanced Reply Items */
.reply-item { position: relative; overflow: hidden; }
.reply-item::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 4px;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    transform: scaleY(0); transform-origin: top; transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}
.reply-item:hover::before { transform: scaleY(1); }

/* Enhanced Suggestion Items */
.suggestion-item { position: relative; overflow: hidden; }
.suggestion-item::before {
    content: ''; position: absolute; top: 0; left: 0; width: 4px; height: 100%;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    transform: scaleY(0); transform-origin: top; transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}
.suggestion-item:hover::before { transform: scaleY(1); }

/* Enhanced File Items */
.file-item { position: relative; overflow: hidden; }
.file-item::before {
    content: ''; position: absolute; left: 0; top: 0; bottom: 0; width: 3px;
    background: linear-gradient(180deg, #667eea 0%, #764ba2 100%);
    transform: scaleY(0); transform-origin: top; transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    pointer-events: none;
}
.file-item:hover::before { transform: scaleY(1); }

/* Enhanced Check Icon */
.check-icon { display: inline-block; transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.about-feature-item:hover .check-icon { transform: scale(1.3) rotate(360deg); color: #10b981; }

/* Enhanced Star Rating */
.star { transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.library-item:hover .star { transform: scale(1.2); filter: drop-shadow(0 2px 4px rgba(255, 215, 0, 0.5)); }

/* Enhanced File Item Icon */
.file-item .icon { transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
.file-item:hover .icon { transform: scale(1.2) rotate(5deg); }

/* Enhanced Social Links */
.social-links a { position: relative; overflow: hidden; }
.social-links a::before {
    content: ''; position: absolute; top: 50%; left: 50%; width: 0; height: 0; border-radius: 50%;
    background: rgba(255, 255, 255, 0.3); transform: translate(-50%, -50%);
    transition: width 0.4s, height 0.4s; pointer-events: none;
}
.social-links a:hover::before { width: 100px; height: 100px; }

/* Enhanced Mobile Touch Feedback */
@media (max-width: 768px) {
    .btn:active, .tab-btn:active { transform: scale(0.95); }
}

/* Enhanced Section Spacing */
section { position: relative; }
section::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 1px;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    pointer-events: none;
}

/* Enhanced Hero Stats Border */
.hero-stats { position: relative; }
.hero-stats::before {
    content: ''; position: absolute; top: 0; left: 50%; transform: translateX(-50%);
    width: 60px; height: 1px; background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.5), transparent);
    pointer-events: none;
}

/* Enhanced Modal Content Scrollbar */
.modal-content::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}
.modal-content::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, #764ba2 0%, #667eea 100%);
}

/* Enhanced Performance */
* { -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale; }

/* Enhanced Responsive Animations */
@media (prefers-reduced-motion: no-preference) {
    .reveal, .reveal-stagger { will-change: transform, opacity; }
    .feature-card, .library-item, .forum-topic, .detail-card, .blog-card { will-change: transform; }
}

/* Testimonials Section */
.testimonials-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    z-index: 1;
}

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

.testimonial-card {
    background: white;
    padding: 2.5rem;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.testimonial-card::before {
    content: ''';
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 4rem;
    color: rgba(102, 126, 234, 0.1);
    font-family: Georgia, serif;
}

.testimonial-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.testimonial-content {
    margin-bottom: 1.5rem;
    color: var(--text-color);
    line-height: 1.8;
    font-style: italic;
    position: relative;
    z-index: 1;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.testimonial-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
    font-weight: 600;
}

.testimonial-info h4 {
    margin: 0;
    color: var(--secondary-color);
    font-weight: 600;
}

.testimonial-info p {
    margin: 0.25rem 0 0 0;
    color: var(--text-light);
    font-size: 0.9rem;
}

.testimonial-rating {
    display: flex;
    gap: 2px;
    margin-top: 0.5rem;
}

.testimonial-rating .star {
    color: #FFD700;
    font-size: 1rem;
}

/* Video Section */
.video-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    z-index: 1;
}

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

.video-item {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--bg-dark);
    aspect-ratio: 16/9;
    cursor: pointer;
    transition: var(--transition);
}

.video-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.video-item iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.video-thumbnail {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.video-play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: rgba(102, 126, 234, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    cursor: pointer;
    transition: var(--transition);
    z-index: 2;
}

.video-play-button:hover {
    background: rgba(102, 126, 234, 1);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-title {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 1.5rem;
    color: white;
    font-weight: 600;
}

/* Instagram Section */
.instagram-section {
    padding: 120px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    z-index: 1;
}

.instagram-feed {
    margin-top: 3rem;
}

.instagram-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
}

.instagram-item {
    position: relative;
    border-radius: 12px;
    overflow: hidden;
    aspect-ratio: 1;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: var(--shadow-md);
}

.instagram-item:hover {
    transform: translateY(-5px) scale(1.02);
    box-shadow: var(--shadow-xl);
}

.instagram-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.instagram-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(102, 126, 234, 0.8) 0%, rgba(118, 75, 162, 0.8) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.instagram-item:hover .instagram-overlay {
    opacity: 1;
}

.instagram-overlay-content {
    text-align: center;
    color: white;
}

.instagram-overlay-content .icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.instagram-placeholder {
    text-align: center;
    padding: 4rem 2rem;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
}

.instagram-placeholder .instagram-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.instagram-placeholder p {
    color: white;
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Map Section */
.map-section {
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.map-section .section-header {
    margin-bottom: 2rem;
}

.map-section .section-header h3 {
    color: white;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.map-section .section-header p {
    color: rgba(255, 255, 255, 0.9);
}

.map-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.map {
    width: 100%;
    height: 400px;
    min-height: 400px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--bg-light);
    position: relative;
}

.map iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.map iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.map-info {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
}

.map-info p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.map-info strong {
    font-size: 1.2rem;
    display: block;
    margin-bottom: 0.5rem;
}

@media (max-width: 768px) {
    .testimonials-grid,
    .video-gallery,
    .instagram-grid {
        grid-template-columns: 1fr;
    }
    
    .map-container {
        grid-template-columns: 1fr;
    }
    
    .map {
        height: 300px;
    }
}

/* Map Container Fix */
.map {
    width: 100%;
    height: 400px;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--bg-light);
    position: relative;
    min-height: 400px;
}

.map iframe {
    width: 100% !important;
    height: 100% !important;
    border: none !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    position: absolute;
    top: 0;
    left: 0;
}

.map-container {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

.map-info {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(10px);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid rgba(255, 255, 255, 0.3);
    color: white;
    height: fit-content;
}

.map-info p {
    margin-bottom: 1rem;
    line-height: 1.8;
}

.map-info strong {
    font-size: 1.2rem;
    display: block;
    margin-bottom: 0.5rem;
}

.map-section {
    margin-top: 4rem;
    padding-top: 4rem;
    border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.map-section .section-header {
    margin-bottom: 2rem;
}

.map-section .section-header h3 {
    color: white;
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.map-section .section-header p {
    color: rgba(255, 255, 255, 0.9);
}

@media (max-width: 768px) {
    .map-container {
        grid-template-columns: 1fr;
    }
    
    .map {
        height: 300px;
        min-height: 300px;
    }
}