/* ========================================
   ImpactU - University Nonprofit Projects
   Aesthetic: Editorial/Magazine with warmth
   ======================================== */

:root {
    /* Enhanced Color Palette - Warm Earth Tones with Modern Accents */
    --color-bg: #FAF8F5;
    --color-bg-alt: #F2EDE6;
    --color-bg-gradient: linear-gradient(135deg, #FAF8F5 0%, #F5F2ED 100%);
    --color-surface: #FFFFFF;
    --color-surface-elevated: #FEFCF9;
    --color-text: #1A1814;
    --color-text-muted: #6B635A;
    --color-text-light: #9A9186;
    --color-accent: #870f1a;
    --color-accent-hover: #6a0c14;
    --color-accent-soft: #f5e6e6;
    --color-accent-gradient: linear-gradient(135deg, #870f1a 0%, #6a0c14 100%);
    --color-secondary: #8B7B6E;
    --color-secondary-soft: #E8DED4;
    --color-success: #2D8A4E;
    --color-success-soft: #D4E5D4;
    --color-dark: #2A2520;
    --color-dark-gradient: linear-gradient(135deg, #2A2520 0%, #1F1B17 100%);
    --color-border: #E5DED4;
    --color-border-light: #F0EBE4;
    
    /* Enhanced Typography */
    --font-display: 'Instrument Serif', Georgia, serif;
    --font-body: 'Outfit', -apple-system, sans-serif;
    
    /* Improved Spacing */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    --space-3xl: 10rem;
    
    /* Enhanced Animation */
    --ease-smooth: cubic-bezier(0.4, 0, 0.2, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-elastic: cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --duration-fast: 0.2s;
    --duration-normal: 0.4s;
    --duration-slow: 0.8s;
    --duration-slower: 1.2s;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(26, 24, 20, 0.08);
    --shadow-md: 0 8px 24px rgba(26, 24, 20, 0.12);
    --shadow-lg: 0 20px 48px rgba(26, 24, 20, 0.15);
    --shadow-xl: 0 32px 64px rgba(26, 24, 20, 0.2);
    --shadow-accent: 0 8px 32px rgba(135, 15, 26, 0.25);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background: var(--color-bg-gradient);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    background-attachment: fixed;
}

/* Enhanced Grain Texture Overlay */
.grain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1000;
    opacity: 0.04;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(135, 15, 26, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(139, 123, 110, 0.08) 0%, transparent 50%),
        url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 500;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

p, li, a, span, label {
    font-family: var(--font-body);
}

em {
    font-style: italic;
    color: var(--color-accent);
}

a {
    color: inherit;
    text-decoration: none;
}

/* Enhanced Image Quality */
img {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
    -ms-interpolation-mode: nearest-neighbor;
}

/* Enhanced Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-smooth);
    position: relative;
    overflow: hidden;
}

.btn::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 var(--duration-slow) var(--ease-smooth);
}

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

.btn-primary {
    background: var(--color-accent-gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-primary:hover {
    background: var(--color-accent-gradient);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

.btn-secondary {
    background: var(--color-dark-gradient);
    color: white;
    box-shadow: var(--shadow-sm);
}

.btn-secondary:hover {
    background: var(--color-dark-gradient);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-text);
    color: var(--color-text);
    box-shadow: var(--shadow-sm);
}

.btn-outline:hover {
    background: var(--color-text);
    color: var(--color-bg);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 1.125rem 2.25rem;
    font-size: 1rem;
}

/* Enhanced Navigation */
.nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--space-md) var(--space-xl);
    background: rgba(250, 248, 245, 0.95);
    backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(229, 222, 212, 0.5);
    transition: all var(--duration-normal) var(--ease-smooth);
}

.nav.scrolled {
    background: rgba(250, 248, 245, 0.98);
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--color-border);
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-size: 1.5rem;
    transition: transform var(--duration-fast) var(--ease-smooth);
}

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

.logo-icon {
    color: var(--color-accent);
    font-size: 1.75rem;
    transition: all var(--duration-fast) var(--ease-smooth);
}

.nav-logo:hover .logo-icon {
    transform: rotate(5deg);
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-links a {
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--color-text-muted);
    position: relative;
    transition: all var(--duration-fast) var(--ease-smooth);
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent-gradient);
    border-radius: 1px;
    transition: width var(--duration-normal) var(--ease-smooth);
}

.nav-links a:hover {
    color: var(--color-text);
    transform: translateY(-1px);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 0.75rem 1.5rem;
    background: var(--color-accent-gradient);
    color: white;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: 100px;
    transition: all var(--duration-fast) var(--ease-smooth);
    box-shadow: var(--shadow-sm);
}

.nav-cta:hover {
    background: var(--color-accent-gradient);
    transform: translateY(-2px);
    box-shadow: var(--shadow-accent);
}

/* Enhanced Hero Section */
.hero {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
    padding: calc(var(--space-3xl) + 60px) var(--space-xl) var(--space-xl);
    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(135, 15, 26, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(139, 123, 110, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    animation: fadeInUp var(--duration-slower) var(--ease-smooth) both;
    position: relative;
    z-index: 2;
}

.hero-label {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.8125rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-accent);
    margin-bottom: var(--space-md);
    animation: fadeInUp var(--duration-slower) var(--ease-smooth) 0.2s both;
}

.label-line {
    width: 40px;
    height: 2px;
    background: var(--color-accent-gradient);
    border-radius: 1px;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 5.5rem);
    margin-bottom: var(--space-lg);
    animation: fadeInUp var(--duration-slower) var(--ease-smooth) 0.4s both;
}

.title-line {
    display: block;
    background: linear-gradient(135deg, var(--color-text) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-italic {
    font-style: italic;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
    line-height: 1.7;
    animation: fadeInUp var(--duration-slower) var(--ease-smooth) 0.6s both;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    animation: fadeInUp var(--duration-slower) var(--ease-smooth) 0.8s both;
}

.hero-visual {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    animation: fadeIn var(--duration-slower) var(--ease-smooth) 0.3s both;
    position: relative;
    z-index: 2;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    filter: blur(1px);
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: linear-gradient(135deg, var(--color-accent-soft) 0%, rgba(245, 230, 224, 0.6) 100%);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    box-shadow: var(--shadow-xl);
}

.shape-2 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, var(--color-success-soft) 0%, rgba(212, 229, 212, 0.6) 100%);
    top: 20%;
    right: 10%;
    animation-delay: -2s;
    box-shadow: var(--shadow-lg);
}

.shape-3 {
    width: 150px;
    height: 150px;
    background: var(--color-accent-gradient);
    bottom: 20%;
    left: 15%;
    animation-delay: -4s;
    box-shadow: var(--shadow-accent);
}

.hero-stats {
    position: relative;
    z-index: 10;
    background: var(--color-surface-elevated);
    padding: var(--space-lg);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    backdrop-filter: blur(10px);
    animation: fadeInUp var(--duration-slower) var(--ease-smooth) 1s both;
}

.stat {
    text-align: center;
    padding: var(--space-sm) var(--space-lg);
    border-bottom: 1px solid var(--color-border-light);
    transition: all var(--duration-fast) var(--ease-smooth);
}

.stat:hover {
    transform: scale(1.05);
}

.stat:last-child {
    border-bottom: none;
}

.stat-number {
    font-family: var(--font-display);
    font-size: 2.5rem;
    background: var(--color-accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    color: var(--color-text-muted);
    font-weight: 500;
}

.scroll-indicator {
    position: absolute;
    bottom: var(--space-lg);
    left: var(--space-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xs);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--color-text-muted);
    animation: fadeIn 1s var(--ease-smooth) 1s both;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--color-text-muted), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

/* PDF Book Section */
.pdf-book {
    padding: var(--space-3xl) var(--space-xl);
    background: var(--color-bg-alt);
    position: relative;
    overflow: hidden;
}

.book-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-xl);
}

.book {
    position: relative;
    width: 100%;
    max-width: 800px;
    height: 600px;
    perspective: 1500px;
    cursor: pointer;
}

.book-cover {
    position: absolute;
    width: 50%;
    height: 100%;
    left: 0;
    transform-origin: left center;
    transform-style: preserve-3d;
    transition: transform 1s var(--ease-smooth);
    z-index: 10;
}

.book.open .book-cover {
    transform: rotateY(-180deg) translateZ(1px);
}

.book-spine {
    position: absolute;
    width: 20px;
    height: 100%;
    left: 50%;
    transform: translateX(-50%);
    background: linear-gradient(135deg, var(--color-dark) 0%, var(--color-secondary) 100%);
    box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.3);
}

.book-front {
    position: absolute;
    width: calc(100% - 20px);
    height: 100%;
    background: var(--color-surface);
    border-radius: 0 12px 12px 0;
    box-shadow: var(--shadow-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: var(--space-xl);
    border: 2px solid var(--color-border);
    border-left: none;
}

.book-front h3 {
    font-size: 2rem;
    margin-bottom: var(--space-sm);
    color: var(--color-accent);
}

.book-front p {
    color: var(--color-text-muted);
    margin-bottom: var(--space-lg);
}

.book-icon {
    font-size: 4rem;
    margin-bottom: var(--space-md);
    opacity: 0.8;
}

.book-pages {
    position: absolute;
    width: 100%;
    height: 100%;
    display: flex;
}

.book.open .book-pages {
    display: flex;
}

.page {
    width: 50%;
    height: 100%;
    background: var(--color-surface);
    overflow: hidden;
}

.page-left {
    border-radius: 6px 0 0 6px;
    border: 1px solid var(--color-border-light);
    border-right: none;
    box-shadow: -4px 0 12px rgba(26, 24, 20, 0.08);
}

.page-right {
    border-radius: 0 6px 6px 0;
    border: 1px solid var(--color-border-light);
    border-left: none;
    box-shadow: 4px 0 12px rgba(26, 24, 20, 0.08);
}

.page.hidden {
    display: none;
}

.page.active {
    display: block;
}

/* Page flip animations */
@keyframes flipOut {
    0%   { opacity: 1; transform: perspective(1800px) rotateY(0deg) scale(1); }
    100% { opacity: 0; transform: perspective(1800px) rotateY(-25deg) scale(0.96); }
}

@keyframes flipIn {
    0%   { opacity: 0; transform: perspective(1800px) rotateY(25deg) scale(0.96); }
    100% { opacity: 1; transform: perspective(1800px) rotateY(0deg) scale(1); }
}

@keyframes flipOutReverse {
    0%   { opacity: 1; transform: perspective(1800px) rotateY(0deg) scale(1); }
    100% { opacity: 0; transform: perspective(1800px) rotateY(25deg) scale(0.96); }
}

@keyframes flipInReverse {
    0%   { opacity: 0; transform: perspective(1800px) rotateY(-25deg) scale(0.96); }
    100% { opacity: 1; transform: perspective(1800px) rotateY(0deg) scale(1); }
}

.book-pages.flip-out-next {
    animation: flipOut 0.25s ease-in forwards;
}

.book-pages.flip-in-next {
    animation: flipIn 0.25s ease-out forwards;
}

.book-pages.flip-out-prev {
    animation: flipOutReverse 0.25s ease-in forwards;
}

.book-pages.flip-in-prev {
    animation: flipInReverse 0.25s ease-out forwards;
}

.pdf-page {
    padding: 0;
    height: 100%;
    display: flex;
    flex-direction: column;
}

.pdf-header {
    padding: var(--space-md) var(--space-lg);
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pdf-header h4 {
    margin: 0;
    color: var(--color-accent);
    font-size: 1.1rem;
}

.page-number {
    font-size: 0.8rem;
    color: var(--color-text-muted);
    background: var(--color-accent-soft);
    padding: 0.25rem 0.5rem;
    border-radius: 12px;
    font-weight: 500;
}

.pdf-content {
    flex: 1;
    position: relative;
    overflow: hidden;
}

.pdf-content object {
    width: 100%;
    height: 100%;
    border: none;
}

/* Page Flip Animations - legacy block, superseded above */
@keyframes pageFlip {
    0% {
        transform: rotateY(0deg) scale(1);
        opacity: 1;
    }
    50% {
        transform: rotateY(90deg) scale(0.95);
        opacity: 0.5;
    }
    100% {
        transform: rotateY(180deg) scale(1);
        opacity: 1;
    }
}

@keyframes pageFlipReverse {
    0% {
        transform: rotateY(180deg) scale(1);
        opacity: 1;
    }
    50% {
        transform: rotateY(90deg) scale(0.95);
        opacity: 0.5;
    }
    100% {
        transform: rotateY(0deg) scale(1);
        opacity: 1;
    }
}

.book-controls {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    align-items: center;
}

.page-navigation {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
    background: var(--color-surface);
    padding: var(--space-sm) var(--space-lg);
    border-radius: 25px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
}

.nav-btn {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    padding: 0.5rem 1rem;
    background: transparent;
    border: none;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 500;
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--duration-fast) var(--ease-smooth);
}

.nav-btn:hover:not(:disabled) {
    background: var(--color-accent-soft);
    color: var(--color-accent);
    transform: translateY(-1px);
}

.nav-btn:disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

.page-indicator {
    font-size: 0.85rem;
    color: var(--color-text);
    font-weight: 600;
    min-width: 100px;
    text-align: center;
}

.book-toggle {
    min-width: 140px;
}

.book-toggle svg {
    transition: transform 0.3s var(--ease-smooth);
}

.book.open + .book-controls .book-toggle span {
    display: none;
}

.book.open + .book-controls .book-toggle span:first-child {
    display: none;
}

.book.open + .book-controls .book-toggle span:last-child {
    display: inline;
}

.book-toggle span:last-child {
    display: none;
}

/* Book Animation States */
.book.closed .book-cover {
    transform: rotateY(0deg);
}

.book.closed .book-pages {
    display: none;
}

/* Responsive Book */
@media (max-width: 768px) {
    .book {
        height: 500px;
        max-width: 100%;
    }
    
    .book-front h3 {
        font-size: 1.5rem;
    }
    
    .book-icon {
        font-size: 3rem;
    }
    
    .page-content {
        padding: var(--space-lg);
    }
    
    .page-content h4 {
        font-size: 1.25rem;
    }
}

/* Section Styles */
.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.section-number {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.2em;
    color: var(--color-accent);
    padding: var(--space-xs) var(--space-sm);
    border: 1px solid var(--color-accent);
    border-radius: 100px;
    margin-bottom: var(--space-md);
}

.section-title {
    font-size: clamp(2.5rem, 4vw, 4rem);
    margin-bottom: var(--space-sm);
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    max-width: 500px;
    margin: 0 auto;
}

/* Projects Section */
.projects {
    padding: var(--space-3xl) var(--space-xl);
    background: var(--color-bg-alt);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: var(--space-lg);
    max-width: 1400px;
    margin: 0 auto;
}

.project-card {
    background: var(--color-surface);
    border-radius: 20px;
    overflow: hidden;
    transition: all var(--duration-normal) var(--ease-smooth);
    border: 1px solid var(--color-border-light);
    box-shadow: var(--shadow-sm);
    position: relative;
}

.project-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(135, 15, 26, 0.02) 0%, rgba(139, 123, 110, 0.01) 100%);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-smooth);
    pointer-events: none;
}

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

.project-card:hover::before {
    opacity: 1;
}

.project-featured {
    grid-column: span 2;
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    box-shadow: var(--shadow-md);
}

.project-featured:hover {
    box-shadow: var(--shadow-xl);
}

.project-image {
    position: relative;
    min-height: 220px;
    overflow: hidden;
}

.project-image-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        hsl(var(--hue), 35%, 85%) 0%,
        hsl(var(--hue), 40%, 70%) 100%
    );
    transition: transform var(--duration-slower) var(--ease-smooth);
}

.project-card:hover .project-image-bg {
    transform: scale(1.1);
}

.project-category {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    padding: 0.375rem 0.875rem;
    background: rgba(255, 255, 255, 0.95);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: 100px;
    color: var(--color-text);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: var(--shadow-sm);
    z-index: 2;
}

.project-content {
    padding: var(--space-lg);
    display: flex;
    flex-direction: column;
}

.project-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
    line-height: 1.3;
    transition: color var(--duration-fast) var(--ease-smooth);
}

.project-card:hover .project-title {
    color: var(--color-accent);
}

.project-description {
    color: var(--color-text-muted);
    font-size: 0.9375rem;
    margin-bottom: var(--space-md);
    flex-grow: 1;
    line-height: 1.6;
}

.project-meta {
    display: flex;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
    font-size: 0.8125rem;
    color: var(--color-text-light);
}

.project-meta span {
    display: flex;
    align-items: center;
    gap: 0.375rem;
    transition: color var(--duration-fast) var(--ease-smooth);
}

.project-card:hover .project-meta span {
    color: var(--color-text-muted);
}

.project-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.875rem;
    color: var(--color-accent);
    transition: all var(--duration-fast) var(--ease-smooth);
    margin-top: auto;
}

.project-link:hover {
    gap: 0.75rem;
    color: var(--color-accent-hover);
    transform: translateX(4px);
}

.projects-cta {
    text-align: center;
    margin-top: var(--space-2xl);
}

/* About Section */
.about {
    padding: var(--space-3xl) var(--space-xl);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    max-width: 1400px;
    margin: 0 auto;
    align-items: center;
}

.about-text .section-number {
    margin-bottom: var(--space-md);
}

.about-text .section-title {
    text-align: left;
    margin-bottom: var(--space-lg);
}

.about-lead {
    font-family: var(--font-display);
    font-size: 1.5rem;
    line-height: 1.4;
    margin-bottom: var(--space-md);
}

.about-description {
    color: var(--color-text-muted);
    font-size: 1.0625rem;
    line-height: 1.8;
    margin-bottom: var(--space-xl);
}

.about-values {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.value {
    text-align: center;
    padding: var(--space-lg);
    background: var(--color-bg-alt);
    border-radius: 16px;
    transition: all var(--duration-normal) var(--ease-smooth);
    border: 1px solid var(--color-border-light);
    position: relative;
    overflow: hidden;
}

.value::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.8) 0%, rgba(255, 255, 255, 0.4) 100%);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-smooth);
}

.value:hover {
    transform: translateY(-8px) scale(1.02);
    background: var(--color-surface);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent);
}

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

.value-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--space-md);
    background: var(--color-accent-soft);
    border-radius: 16px;
    color: var(--color-accent);
    transition: all var(--duration-normal) var(--ease-smooth);
    position: relative;
    z-index: 2;
}

.value:hover .value-icon {
    background: var(--color-accent-gradient);
    color: white;
    transform: scale(1.1) rotate(5deg);
}

.value h4 {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 600;
    margin-bottom: 0.375rem;
    position: relative;
    z-index: 2;
}

.value p {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    line-height: 1.5;
    position: relative;
    z-index: 2;
}

.about-visual {
    position: relative;
}

.about-image-stack {
    position: relative;
    height: 500px;
}

.about-image {
    position: absolute;
    border-radius: 20px;
    box-shadow: 0 20px 50px rgba(26, 24, 20, 0.15);
}

.image-1 {
    width: 300px;
    height: 380px;
    background: url('staff/img/8.jpeg') center/cover no-repeat;
    top: 0;
    left: 0;
    z-index: 3;
}

.image-2 {
    width: 250px;
    height: 320px;
    background: url('staff/img/7.jpeg') center/cover no-repeat;
    top: 60px;
    right: 40px;
    z-index: 2;
}

.image-3 {
    width: 200px;
    height: 260px;
    background: url('staff/img/4.jpeg') center/cover no-repeat;
    bottom: 0;
    left: 80px;
    z-index: 1;
}

.about-quote {
    position: absolute;
    bottom: -40px;
    right: 0;
    background: var(--color-surface);
    padding: var(--space-lg);
    border-radius: 16px;
    max-width: 320px;
    box-shadow: 0 20px 50px rgba(26, 24, 20, 0.1);
    z-index: 10;
}

.about-quote blockquote {
    font-family: var(--font-display);
    font-size: 1.125rem;
    font-style: italic;
    line-height: 1.5;
    margin-bottom: var(--space-sm);
}

.about-quote cite {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    font-style: normal;
}

/* Impact Section */
.impact {
    padding: var(--space-3xl) var(--space-xl);
    background: var(--color-dark);
    color: white;
}

.impact .section-number {
    border-color: rgba(255, 255, 255, 0.3);
    color: white;
}

.impact .section-title {
    color: white;
    text-align: center;
    margin-bottom: var(--space-2xl);
}

.impact-header {
    text-align: center;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.impact-stat {
    text-align: center;
    padding: var(--space-lg);
}

.impact-number {
    font-family: var(--font-display);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    color: var(--color-accent);
    margin-bottom: var(--space-xs);
}

.impact-label {
    font-size: 0.9375rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: var(--space-md);
}

.impact-bar {
    height: 4px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 2px;
    overflow: hidden;
}

.impact-bar-fill {
    height: 100%;
    width: var(--width);
    background: var(--color-accent);
    border-radius: 2px;
    animation: fillBar 1.5s var(--ease-smooth) both;
}

/* Team Section */
.team {
    padding: var(--space-3xl) var(--space-xl);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-lg);
    max-width: 1200px;
    margin: 0 auto;
}

.team-member {
    text-align: center;
    padding: var(--space-lg);
    background: var(--color-surface);
    border-radius: 20px;
    border: 1px solid var(--color-border-light);
    transition: all var(--duration-normal) var(--ease-smooth);
    box-shadow: var(--shadow-sm);
    position: relative;
    overflow: hidden;
}

.team-member::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(135, 15, 26, 0.02) 0%, rgba(139, 123, 110, 0.01) 100%);
    opacity: 0;
    transition: opacity var(--duration-normal) var(--ease-smooth);
}

.team-member:hover {
    transform: translateY(-12px) scale(1.02);
    box-shadow: var(--shadow-xl);
    border-color: var(--color-accent);
}

.team-member:hover::before {
    opacity: 1;
}

.member-image {
    margin-bottom: var(--space-md);
}

.member-avatar {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
    font-family: var(--font-display);
    font-size: 1.75rem;
    background: linear-gradient(
        135deg,
        hsl(var(--hue), 40%, 85%) 0%,
        hsl(var(--hue), 45%, 70%) 100%
    );
    color: white;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all var(--duration-normal) var(--ease-smooth);
    box-shadow: var(--shadow-md);
}

.team-member:hover .member-avatar {
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.member-name {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
    transition: color var(--duration-fast) var(--ease-smooth);
}

.team-member:hover .member-name {
    color: var(--color-accent);
}

.member-role {
    display: block;
    font-size: 0.875rem;
    color: var(--color-accent);
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.member-university {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
}

/* Join Section */
.join {
    padding: var(--space-3xl) var(--space-xl);
    background: var(--color-bg-alt);
    position: relative;
    overflow: hidden;
}

.join-content {
    max-width: 700px;
    margin: 0 auto;
    text-align: center;
    position: relative;
    z-index: 10;
}

.join-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    margin-bottom: var(--space-md);
}

.join-description {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    margin-bottom: var(--space-xl);
}

.join-form {
    background: var(--color-surface-elevated);
    padding: var(--space-xl);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--color-border-light);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.join-form::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(135, 15, 26, 0.02) 0%, rgba(139, 123, 110, 0.01) 100%);
    pointer-events: none;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-md);
    margin-bottom: var(--space-md);
}

.form-group {
    text-align: left;
    position: relative;
}

.form-group.focused label {
    color: var(--color-accent);
    transform: translateY(-2px);
}

.form-group label {
    display: block;
    font-size: 0.8125rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--color-text);
    transition: all var(--duration-fast) var(--ease-smooth);
}

.form-group input,
.form-group select {
    width: 100%;
    padding: 0.875rem 1rem;
    font-family: var(--font-body);
    font-size: 0.9375rem;
    border: 2px solid var(--color-border);
    border-radius: 12px;
    background: var(--color-bg);
    color: var(--color-text);
    transition: all var(--duration-fast) var(--ease-smooth);
    box-shadow: var(--shadow-sm);
}

.form-group input:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-accent);
    background: var(--color-surface);
    box-shadow: var(--shadow-accent);
    transform: translateY(-2px);
}

.form-group input::placeholder {
    color: var(--color-text-light);
}

.join-form .btn {
    width: 100%;
    justify-content: center;
    margin-top: var(--space-sm);
}

.join-decoration {
    position: absolute;
    top: 0;
    right: 0;
    width: 50%;
    height: 100%;
    pointer-events: none;
}

.decoration-circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.5;
}

.circle-1 {
    width: 400px;
    height: 400px;
    background: var(--color-accent-soft);
    top: -100px;
    right: -100px;
}

.circle-2 {
    width: 250px;
    height: 250px;
    background: linear-gradient(135deg, #D4E5D4 0%, #B8D4B8 100%);
    bottom: 50px;
    right: 200px;
}

.circle-3 {
    width: 150px;
    height: 150px;
    background: var(--color-accent);
    top: 40%;
    right: 50px;
    opacity: 0.3;
}

/* Footer */
.footer {
    background: var(--color-dark);
    color: white;
    padding: var(--space-2xl) var(--space-xl) var(--space-lg);
}

.footer-content {
    display: grid;
    grid-template-columns: 1.5fr 2fr;
    gap: var(--space-2xl);
    max-width: 1400px;
    margin: 0 auto;
    padding-bottom: var(--space-xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
}

.footer-logo .logo-icon {
    color: var(--color-accent);
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    line-height: 1.7;
    max-width: 320px;
    margin-bottom: var(--space-lg);
}

.footer-social {
    display: flex;
    gap: var(--space-sm);
}

.footer-social a {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: all var(--duration-fast) var(--ease-smooth);
}

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

.footer-links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
}

.footer-column h5 {
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.footer-column a {
    display: block;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9375rem;
    padding: 0.375rem 0;
    transition: color var(--duration-fast) var(--ease-smooth);
}

.footer-column a:hover {
    color: var(--color-accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1400px;
    margin: 0 auto;
    padding-top: var(--space-lg);
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
}

.footer-legal {
    display: flex;
    gap: var(--space-lg);
}

.footer-legal a {
    color: rgba(255, 255, 255, 0.4);
    transition: color var(--duration-fast) var(--ease-smooth);
}

.footer-legal a:hover {
    color: white;
}

/* Enhanced Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes float {
    0%, 100% {
        transform: translate(-50%, -50%) translateY(0) rotate(0deg);
    }
    33% {
        transform: translate(-50%, -50%) translateY(-20px) rotate(1deg);
    }
    66% {
        transform: translate(-50%, -50%) translateY(-10px) rotate(-1deg);
    }
}

@keyframes scrollPulse {
    0%, 100% {
        transform: scaleY(1);
        opacity: 1;
    }
    50% {
        transform: scaleY(0.5);
        opacity: 0.5;
    }
}

@keyframes fillBar {
    from {
        width: 0;
    }
    to {
        width: var(--width);
    }
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%);
    }
    100% {
        transform: translateX(100%);
    }
}

@keyframes bounceIn {
    0% {
        opacity: 0;
        transform: scale(0.3);
    }
    50% {
        opacity: 1;
        transform: scale(1.05);
    }
    70% {
        transform: scale(0.9);
    }
    100% {
        opacity: 1;
        transform: scale(1);
    }
}

/* Responsive Design */
@media (max-width: 1200px) {
    .hero {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .hero-visual {
        height: 400px;
    }
    
    .project-featured {
        grid-column: span 1;
        display: block;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .about-visual {
        order: -1;
    }
    
    .about-image-stack {
        height: 400px;
    }
    
    .impact-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav {
        padding: var(--space-sm) var(--space-md);
    }
    
    .nav-links {
        display: none;
    }
    
    .hero {
        padding: calc(var(--space-2xl) + 60px) var(--space-md) var(--space-lg);
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: row;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .stat {
        border-bottom: none;
        border-right: 1px solid var(--color-border);
        padding: var(--space-sm);
    }
    
    .stat:last-child {
        border-right: none;
    }
    
    .scroll-indicator {
        display: none;
    }
    
    .projects,
    .about,
    .impact,
    .team,
    .join {
        padding: var(--space-2xl) var(--space-md);
    }
    
    .projects-grid {
        grid-template-columns: 1fr;
    }
    
    .about-values {
        grid-template-columns: 1fr;
    }
    
    .about-image-stack {
        height: 300px;
    }
    
    .about-quote {
        position: relative;
        bottom: auto;
        right: auto;
        margin-top: var(--space-lg);
        max-width: 100%;
    }
    
    .impact-grid,
    .team-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        gap: var(--space-xl);
    }
    
    .footer-links {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: var(--space-sm);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .footer-links {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   PDF Book Section
   ======================================== */

.pdf-book-section {
    padding: var(--space-3xl) var(--space-xl);
    background: linear-gradient(180deg, var(--bg-secondary) 0%, var(--bg-primary) 100%);
}

.pdf-viewer-wrapper {
    max-width: 960px;
    margin: 0 auto;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.4);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.pdf-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 14px 20px;
    background: rgba(255, 255, 255, 0.05);
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    gap: 12px;
    flex-wrap: wrap;
}

.pdf-title {
    color: var(--text-primary);
    font-size: 0.9rem;
    font-weight: 500;
    opacity: 0.85;
}

.pdf-download-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 18px;
    background: var(--accent-primary);
    color: #fff;
    border-radius: 50px;
    font-size: 0.85rem;
    font-weight: 600;
    text-decoration: none;
    transition: opacity 0.2s ease, transform 0.2s ease;
}

.pdf-download-btn:hover {
    opacity: 0.85;
    transform: translateY(-1px);
}

.pdf-iframe {
    display: block;
    width: 100%;
    height: 780px;
    border: none;
    background: #fff;
}

@media (max-width: 768px) {
    .pdf-iframe {
        height: 500px;
    }
}


/* ── PDF Book Viewer ─────────────────────────────────────────── */
.pdf-book-section {
    padding: 8rem 2rem;
    background: var(--bg-secondary, #0f0f0f);
}

.book-viewer {
    position: relative;
    max-width: 1100px;
    margin: 3rem auto 0;
}

.book-container {
    display: flex;
    justify-content: center;
    perspective: 2000px;
}

.book {
    display: flex;
    align-items: stretch;
    border-radius: 4px;
    box-shadow: 0 30px 80px rgba(0,0,0,0.5), 0 0 0 1px rgba(255,255,255,0.04);
    overflow: hidden;
    transition: transform 0.4s ease;
    max-width: 100%;
}

.book-page {
    position: relative;
    overflow: hidden;
    background: #fff;
    flex: 1;
    min-width: 0;
}

.book-page canvas {
    display: block;
    width: 100% !important;
    height: auto !important;
}

.page-overlay {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.left-overlay {
    background: linear-gradient(to right, rgba(0,0,0,0.08) 0%, transparent 8%);
}

.right-overlay {
    background: linear-gradient(to left, rgba(0,0,0,0.08) 0%, transparent 8%);
}

.book-spine {
    width: 12px;
    flex-shrink: 0;
    background: linear-gradient(to right, #1a1a1a, #2e2e2e, #1a1a1a);
    box-shadow: inset 0 0 8px rgba(0,0,0,0.5);
}

/* flip animation */
.book-page.flipping-out {
    animation: flipOut 0.35s ease-in forwards;
    transform-origin: right center;
}
.book-page.flipping-in {
    animation: flipIn 0.35s ease-out forwards;
    transform-origin: left center;
}

@keyframes flipOut {
    from { transform: rotateY(0deg); opacity: 1; }
    to   { transform: rotateY(-90deg); opacity: 0; }
}
@keyframes flipIn {
    from { transform: rotateY(90deg); opacity: 0; }
    to   { transform: rotateY(0deg); opacity: 1; }
}

/* Controls */
.book-controls {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-top: 2rem;
}

.book-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 22px;
    background: rgba(255,255,255,0.06);
    border: 1px solid rgba(255,255,255,0.12);
    color: var(--text-primary, #fff);
    border-radius: 50px;
    font-size: 0.9rem;
    font-weight: 500;
    cursor: pointer;
    transition: background 0.2s, transform 0.2s;
    font-family: inherit;
}

.book-btn:hover:not(:disabled) {
    background: rgba(255,255,255,0.12);
    transform: translateY(-1px);
}

.book-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.page-indicator {
    font-size: 0.95rem;
    color: var(--text-secondary, rgba(255,255,255,0.6));
    min-width: 100px;
    text-align: center;
    letter-spacing: 0.03em;
}

.page-sep { margin: 0 2px; opacity: 0.5; }

/* Loading */
.book-loading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    padding: 4rem;
    color: var(--text-secondary, rgba(255,255,255,0.5));
    font-size: 0.95rem;
}

.book-loading.hidden { display: none; }

.loading-spinner {
    width: 22px;
    height: 22px;
    border: 2px solid rgba(255,255,255,0.15);
    border-top-color: rgba(255,255,255,0.7);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* Single-page fallback on narrow screens */
@media (max-width: 700px) {
    .book-spine,
    .book-page.left-page { display: none; }
    .book { box-shadow: 0 20px 60px rgba(0,0,0,0.45); }
}

/* Table Styles */
.content table {
    width: 100%;
    border-collapse: collapse;
    margin: var(--space-lg) 0;
    background: var(--color-surface);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--color-border-light);
}

.content thead {
    background: var(--color-accent-gradient);
    color: white;
}

.content th,
.content td {
    padding: var(--space-md) var(--space-lg);
    text-align: left;
    border-bottom: 1px solid var(--color-border-light);
    font-size: 0.9375rem;
}

.content th {
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-size: 0.8125rem;
}

.content tbody tr:nth-child(even) {
    background: var(--color-bg-alt);
}

.content tbody tr:hover {
    background: var(--color-accent-soft);
    transition: background-color var(--duration-fast) var(--ease-smooth);
}

.content td {
    color: var(--color-text);
}

.content td:first-child {
    font-weight: 500;
}

/* Content Styling */
.content h3 {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 500;
    color: var(--color-accent);
    margin: var(--space-lg) 0 var(--space-sm) 0;
    line-height: 1.3;
}

.content ol {
    margin: var(--space-md) 0;
    padding-left: var(--space-lg);
}

.content li {
    margin-bottom: var(--space-xs);
    line-height: 1.6;
    color: var(--color-text);
}

.content li::marker {
    color: var(--color-accent);
    font-weight: 600;
}

/* ── Gallery Page ────────────────────────────────────────────── */
.gallery-page-header {
    padding: 6rem 4rem 0;
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 2rem;
}

.gallery-page-header .section-header {
    text-align: center;
    margin-bottom: 0;
}

.gallery-filter-bar {
    display: flex;
    gap: 0;
    border-bottom: 1px solid var(--color-border);
}

.gallery-filter-btn {
    padding: 10px 22px;
    border: none;
    border-bottom: 2px solid transparent;
    margin-bottom: -1px;
    background: transparent;
    color: var(--color-text-muted);
    font-family: var(--font-body);
    font-size: 0.875rem;
    font-weight: 500;
    cursor: pointer;
    transition: color var(--duration-fast) var(--ease-smooth),
                border-color var(--duration-fast) var(--ease-smooth);
    white-space: nowrap;
}

.gallery-filter-btn:hover {
    color: var(--color-text);
}

.gallery-filter-btn.active {
    color: var(--color-accent);
    border-bottom-color: var(--color-accent);
    font-weight: 600;
}

/* Gallery Section */
.gallery-section {
    padding: 2.5rem 4rem 8rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Bento Grid */
.gallery-masonry {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    grid-auto-rows: 260px;
    gap: 16px;
    grid-auto-flow: dense;
}

/* Cards */
.gallery-card {
    position: relative;
    border-radius: 14px;
    overflow: hidden;
    cursor: pointer;
    background: var(--color-bg-alt);
    transition: transform 0.4s var(--ease-smooth),
                box-shadow 0.4s var(--ease-smooth);
}

.gallery-card:hover {
    transform: translateY(-4px) scale(1.01);
    box-shadow: var(--shadow-lg);
}

.gallery-card--medium { grid-row: span 2; }
.gallery-card--large  { grid-column: span 2; }

/* Image fills card */
.gallery-card img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s var(--ease-smooth);
}

.gallery-card:hover img {
    transform: scale(1.07);
}

/* Badge */
.gallery-badge {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 4px 12px;
    background: var(--color-accent);
    color: #fff;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 4px;
    z-index: 3;
}

/* Overlay */
.gallery-card-overlay {
    position: absolute;
    inset: 0;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    z-index: 2;
    border-radius: 14px;
}

.gallery-card-overlay::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top,
        rgba(10, 9, 8, 0.88) 0%,
        rgba(10, 9, 8, 0.2) 50%,
        transparent 100%);
    opacity: 0;
    transition: opacity 0.4s var(--ease-smooth);
    border-radius: 14px;
}

.gallery-card:hover .gallery-card-overlay::before {
    opacity: 1;
}

.gallery-card-overlay > * { position: relative; z-index: 1; }

.gallery-card-cat {
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: rgba(255,255,255,0.6);
    margin: 0 22px 4px;
    opacity: 0;
    transform: translateY(8px);
    transition: opacity 0.3s var(--ease-smooth),
                transform 0.3s var(--ease-smooth);
}

.gallery-card-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 400;
    color: #fff;
    margin: 0 22px 5px;
    line-height: 1.25;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.35s var(--ease-smooth) 0.05s,
                transform 0.35s var(--ease-smooth) 0.05s;
}

.gallery-card-desc {
    font-size: 0.78rem;
    color: rgba(255,255,255,0.65);
    line-height: 1.45;
    margin: 0 22px 14px;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.35s var(--ease-smooth) 0.1s,
                transform 0.35s var(--ease-smooth) 0.1s;
}

.gallery-card-link {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: #fff;
    margin: 0 22px 20px;
    padding: 6px 14px;
    background: var(--color-accent);
    border-radius: 6px;
    align-self: flex-start;
    opacity: 0;
    transform: translateY(10px);
    transition: opacity 0.35s var(--ease-smooth) 0.15s,
                transform 0.35s var(--ease-smooth) 0.15s,
                background 0.2s ease;
}

.gallery-card-link:hover {
    background: var(--color-accent-hover);
}

.gallery-card:hover .gallery-card-cat,
.gallery-card:hover .gallery-card-title,
.gallery-card:hover .gallery-card-desc,
.gallery-card:hover .gallery-card-link {
    opacity: 1;
    transform: translateY(0);
}

/* Lightbox — dark, cinematic */
.gallery-lightbox {
    position: fixed;
    inset: 0;
    background: rgba(10, 9, 8, 0.95);
    backdrop-filter: blur(12px);
    display: none;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 2000;
    opacity: 0;
    transition: opacity 0.3s var(--ease-smooth);
}

.gallery-lightbox.is-open {
    display: flex;
    opacity: 1;
}

.lightbox-media {
    max-width: 78vw;
    max-height: 72vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lightbox-media img {
    max-width: 100%;
    max-height: 72vh;
    border-radius: 10px;
    box-shadow: 0 40px 80px rgba(0,0,0,0.6);
    animation: lbFadeIn 0.4s var(--ease-smooth);
    object-fit: contain;
}

@keyframes lbFadeIn {
    from { opacity: 0; transform: scale(0.96); }
    to   { opacity: 1; transform: scale(1); }
}

.lightbox-close-btn {
    position: absolute;
    top: 24px;
    right: 24px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s var(--ease-smooth), background 0.2s;
    z-index: 10;
}

.lightbox-close-btn:hover { transform: rotate(90deg); background: var(--color-accent); border-color: var(--color-accent); }
.lightbox-close-btn svg { width: 18px; height: 18px; stroke: #fff; }

.lightbox-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: rgba(255,255,255,0.08);
    border: 1px solid rgba(255,255,255,0.15);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s var(--ease-smooth);
    z-index: 10;
}

.lightbox-arrow:hover { background: var(--color-accent); border-color: var(--color-accent); }
.lightbox-arrow svg { width: 20px; height: 20px; stroke: #fff; }
.lightbox-arrow-prev { left: 28px; }
.lightbox-arrow-next { right: 28px; }

.lightbox-caption {
    margin-top: 24px;
    text-align: center;
    animation: lbSlideUp 0.45s var(--ease-smooth) 0.15s both;
}

@keyframes lbSlideUp {
    from { opacity: 0; transform: translateY(12px); }
    to   { opacity: 1; transform: translateY(0); }
}

.lightbox-cat {
    display: block;
    font-size: 0.68rem;
    text-transform: uppercase;
    letter-spacing: 0.22em;
    color: var(--color-accent);
    margin-bottom: 6px;
}

.lightbox-title {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 400;
    color: #fff;
    margin: 0 0 5px;
}

.lightbox-desc {
    font-size: 0.875rem;
    color: rgba(255,255,255,0.5);
}

/* Nav active link */
.nav-links a.active {
    color: var(--color-accent);
    font-weight: 600;
}

/* Responsive */
@media (max-width: 900px) {
    .gallery-page-header,
    .gallery-section { padding-left: 1.5rem; padding-right: 1.5rem; }

    .gallery-page-header { gap: 1.5rem; }

    .gallery-masonry {
        grid-template-columns: repeat(2, 1fr);
        grid-auto-rows: 220px;
        gap: 12px;
    }

    .gallery-card--large { grid-column: span 2; }

    .lightbox-arrow-prev { left: 12px; }
    .lightbox-arrow-next { right: 12px; }
    .lightbox-media { max-width: 88vw; }
}

@media (max-width: 600px) {
    .gallery-masonry {
        grid-template-columns: 1fr;
        grid-auto-rows: 240px;
        gap: 10px;
    }

    .gallery-card--medium,
    .gallery-card--large { grid-column: unset; grid-row: unset; }

    .lightbox-media { max-width: 94vw; }
    .lightbox-arrow-prev { left: 8px; }
    .lightbox-arrow-next { right: 8px; }
}

/* ── News Page ───────────────────────────────────────────────── */
.news-page-header {
    padding: 6rem 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Hero Story */
.news-hero {
    padding: 2rem 4rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.news-hero-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 3rem;
    background: var(--color-surface);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.news-hero-image {
    position: relative;
    min-height: 420px;
}

.news-hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.news-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    padding: 6px 16px;
    background: var(--color-accent);
    color: #fff;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    border-radius: 20px;
}

.news-hero-content {
    padding: 3rem 3rem 3rem 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.news-category {
    font-size: 0.72rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-accent);
    margin-bottom: 0.75rem;
    display: block;
}

.news-hero-title {
    font-family: var(--font-display);
    font-size: clamp(1.5rem, 2.5vw, 2.2rem);
    font-weight: 400;
    line-height: 1.2;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.news-hero-excerpt {
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.7;
    margin-bottom: 1.25rem;
}

.news-meta {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.82rem;
    color: var(--color-text-light);
}

.news-dot { opacity: 0.4; }

/* News Body (Feed + Sidebar) */
.news-body {
    display: grid;
    grid-template-columns: 1fr 340px;
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 4rem 8rem;
    align-items: start;
}

.news-feed-header {
    margin-bottom: 2rem;
}

/* News Cards Grid */
.news-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
}

.news-card {
    background: var(--color-surface);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--duration-normal) var(--ease-smooth),
                box-shadow var(--duration-normal) var(--ease-smooth);
}

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

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

.news-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--ease-smooth);
}

.news-card:hover .news-card-image img {
    transform: scale(1.04);
}

.news-card-cat {
    position: absolute;
    bottom: 12px;
    left: 14px;
    padding: 4px 12px;
    background: var(--color-surface);
    color: var(--color-accent);
    font-size: 0.7rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    border-radius: 20px;
    box-shadow: var(--shadow-sm);
}

.news-card-body {
    padding: 1.4rem;
    display: flex;
    flex-direction: column;
}

.news-card-title {
    font-family: var(--font-display);
    font-size: 1.15rem;
    font-weight: 400;
    line-height: 1.3;
    color: var(--color-text);
    margin-bottom: 0.6rem;
}

.news-card-excerpt {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Sidebar */
.news-sidebar {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.news-sidebar-block {
    background: var(--color-surface);
    border-radius: 16px;
    padding: 2rem;
    box-shadow: var(--shadow-sm);
}

.news-sidebar-cta {
    background: var(--color-accent-gradient);
    color: #fff;
}

.news-sidebar-cta h3 {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 400;
    color: #fff;
    margin-bottom: 0.6rem;
}

.news-sidebar-cta h3 em { font-style: italic; }

.news-sidebar-cta p {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.8);
    line-height: 1.6;
}

/* Trending List */
.trending-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0;
}

.trending-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--color-border-light);
    transition: background 0.2s;
}

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

.trending-item p {
    font-size: 0.9rem;
    color: var(--color-text);
    line-height: 1.5;
}

.trending-num {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-style: italic;
    color: var(--color-border);
    line-height: 1;
    flex-shrink: 0;
    width: 2rem;
}

/* Responsive */
@media (max-width: 1100px) {
    .news-body {
        grid-template-columns: 1fr;
    }
    .news-sidebar {
        position: static;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 900px) {
    .news-page-header,
    .news-hero,
    .news-body { padding-left: 1.5rem; padding-right: 1.5rem; }

    .news-hero-inner { grid-template-columns: 1fr; }
    .news-hero-image { min-height: 260px; }
    .news-hero-content { padding: 1.5rem; }
    .news-grid { grid-template-columns: 1fr; }
    .news-sidebar { display: flex; }
}

@media (max-width: 600px) {
    .news-sidebar { flex-direction: column; }
}

/* ── Video Page ──────────────────────────────────────────────── */
.video-page-header {
    padding: 6rem 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Featured Video */
.video-featured {
    padding: 2rem 4rem 4rem;
    max-width: 1400px;
    margin: 0 auto;
}

.video-featured-inner {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 3rem;
    background: var(--color-surface);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.video-player-wrap {
    background: #000;
    display: flex;
    align-items: stretch;
}

.video-player-wrap video {
    width: 100%;
    display: block;
    outline: none;
}

.video-featured-info {
    padding: 3rem 3rem 3rem 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.video-featured-title {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.2vw, 2rem);
    font-weight: 400;
    line-height: 1.25;
    color: var(--color-text);
    margin: 0.6rem 0 1rem;
}

.video-featured-desc {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* Video Grid */
.video-grid-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 4rem 8rem;
}

.video-grid-header {
    margin-bottom: 2rem;
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

/* Video Card */
.video-card {
    background: var(--color-surface);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: transform var(--duration-normal) var(--ease-smooth),
                box-shadow var(--duration-normal) var(--ease-smooth);
}

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

.video-thumb {
    position: relative;
    aspect-ratio: 16 / 9;
    background: #111;
    overflow: hidden;
    cursor: pointer;
}

.video-thumb video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    outline: none;
}

.video-play-btn {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0,0,0,0.25);
    border: none;
    cursor: pointer;
    transition: background 0.25s;
}

.video-play-btn:hover { background: rgba(0,0,0,0.4); }

.video-play-btn svg {
    width: 52px;
    height: 52px;
    color: #fff;
    filter: drop-shadow(0 2px 8px rgba(0,0,0,0.5));
    transition: transform 0.2s var(--ease-bounce);
}

.video-play-btn:hover svg { transform: scale(1.12); }

.video-duration {
    position: absolute;
    bottom: 10px;
    right: 12px;
    font-size: 0.72rem;
    font-weight: 600;
    color: #fff;
    background: rgba(0,0,0,0.65);
    padding: 3px 8px;
    border-radius: 6px;
    letter-spacing: 0.04em;
    pointer-events: none;
}

.video-card-info {
    padding: 1.25rem 1.4rem 1.5rem;
}

.video-card-title {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 400;
    line-height: 1.35;
    color: var(--color-text);
    margin: 0.4rem 0 0.5rem;
}

.video-card-desc {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 1100px) {
    .video-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
    .video-page-header,
    .video-featured,
    .video-grid-section { padding-left: 1.5rem; padding-right: 1.5rem; }

    .video-featured-inner { grid-template-columns: 1fr; }
    .video-featured-info { padding: 1.5rem; }
    .video-grid { grid-template-columns: 1fr; }
}

/* ── Staff Page ──────────────────────────────────────────────── */
.staff-page-header {
    padding: 6rem 4rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.staff-section {
    max-width: 1400px;
    margin: 0 auto;
    padding: 2rem 4rem 4rem;
}

.staff-section-label {
    margin-bottom: 2.5rem;
}

.staff-sub-heading {
    font-family: var(--font-display);
    font-size: clamp(1.4rem, 2.5vw, 1.9rem);
    font-weight: 400;
    color: var(--color-text);
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-border);
}

.staff-sub-heading em {
    font-style: italic;
    color: var(--color-accent);
}

/* Grids */
.staff-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 28px;
}

.staff-grid--featured {
    grid-template-columns: repeat(2, 1fr);
}

/* Card */
.staff-card {
    background: var(--color-surface);
    border-radius: 20px;
    padding: 2rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-border-light);
    transition: transform var(--duration-normal) var(--ease-smooth),
                box-shadow var(--duration-normal) var(--ease-smooth),
                border-color var(--duration-normal);
}

.staff-card:hover {
    transform: translateY(-7px);
    box-shadow: var(--shadow-lg);
    border-color: var(--color-accent-soft);
}

.staff-card--featured {
    flex-direction: row;
    text-align: left;
    gap: 2rem;
    align-items: flex-start;
    padding: 2.5rem;
}

/* Avatar */
.staff-avatar-wrap {
    position: relative;
    flex-shrink: 0;
    width: 110px;
    height: 110px;
    margin: 0 auto 1.25rem;
}

.staff-card--featured .staff-avatar-wrap {
    width: 96px;
    height: 96px;
    margin: 0;
}

.staff-avatar-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    position: relative;
    z-index: 1;
}

.staff-avatar-ring {
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--color-accent-soft);
    transition: border-color 0.3s;
}

.staff-card:hover .staff-avatar-ring {
    border-color: var(--color-accent);
}

/* Card body */
.staff-card-body {
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}

.staff-card--featured .staff-card-body {
    align-items: flex-start;
}

.staff-role {
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.18em;
    color: var(--color-accent);
    margin-bottom: 0.4rem;
    display: block;
}

.staff-name {
    font-family: var(--font-display);
    font-size: 1.25rem;
    font-weight: 400;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.staff-bio {
    font-size: 0.88rem;
    color: var(--color-text-muted);
    line-height: 1.65;
    margin-bottom: 1.25rem;
}

/* Social links */
.staff-socials {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: center;
}

.staff-card--featured .staff-socials {
    justify-content: flex-start;
}

.staff-socials a {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--color-text-muted);
    text-decoration: none;
    padding: 5px 14px;
    border-radius: 20px;
    border: 1px solid var(--color-border);
    transition: all 0.2s var(--ease-smooth);
}

.staff-socials a:hover {
    color: var(--color-accent);
    border-color: var(--color-accent);
    background: var(--color-accent-soft);
}

/* CTA reuses .join styles from styles.css */
.staff-cta {
    margin-top: 2rem;
}

/* Responsive */
@media (max-width: 900px) {
    .staff-page-header,
    .staff-section { padding-left: 1.5rem; padding-right: 1.5rem; }

    .staff-grid--featured { grid-template-columns: 1fr; }
    .staff-sub-heading { font-size: 1.3rem; }

    .staff-card--featured {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .staff-card--featured .staff-card-body { align-items: center; }
    .staff-card--featured .staff-socials  { justify-content: center; }
    .staff-card--featured .staff-avatar-wrap { margin: 0 auto 1.25rem; }
}

@media (max-width: 600px) {
    .staff-grid { grid-template-columns: 1fr; }
}