/* ============================================
   Venice Bangla School - Design System
   ============================================ */

/* --- CSS Custom Properties --- */
:root {
    /* Colors - Venice inspired palette */
    --color-primary: #1B4965;
    --color-primary-light: #2D6A8F;
    --color-primary-dark: #0F2C3D;
    --color-accent: #E07A5F;
    --color-accent-light: #E8967F;
    --color-accent-dark: #C4613F;
    --color-gold: #D4A853;
    --color-gold-light: #E8C97A;
    --color-teal: #3D998F;
    --color-teal-light: #5BB5AB;

    /* Neutrals */
    --color-bg: #FAFAF8;
    --color-bg-alt: #F2F0ED;
    --color-surface: #FFFFFF;
    --color-text: #1A1A2E;
    --color-text-secondary: #5A5A72;
    --color-text-muted: #8E8EA0;
    --color-border: #E5E3DF;

    /* Gradients */
    --gradient-hero: linear-gradient(135deg, #1B4965 0%, #2D6A8F 40%, #3D998F 100%);
    --gradient-accent: linear-gradient(135deg, #E07A5F 0%, #D4A853 100%);
    --gradient-dark: linear-gradient(180deg, #0F2C3D 0%, #1B4965 100%);
    --gradient-glass: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, rgba(255,255,255,0.05) 100%);
    --gradient-quote: linear-gradient(135deg, #1B4965 0%, #0F2C3D 50%, #2D6A8F 100%);

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;
    --space-5xl: 8rem;

    /* Typography */
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;

    /* Borders & Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(27, 73, 101, 0.06);
    --shadow-md: 0 4px 12px rgba(27, 73, 101, 0.08);
    --shadow-lg: 0 8px 30px rgba(27, 73, 101, 0.12);
    --shadow-xl: 0 20px 60px rgba(27, 73, 101, 0.15);
    --shadow-glow: 0 0 40px rgba(224, 122, 95, 0.2);

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-spring: 0.6s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.7;
    overflow-x: hidden;
}

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

a {
    text-decoration: none;
    color: inherit;
    transition: color var(--transition-fast);
}

ul {
    list-style: none;
}

/* --- Utility Classes --- */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
}

.section {
    padding: var(--space-5xl) 0;
    position: relative;
}

.section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto var(--space-4xl);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    background: rgba(224, 122, 95, 0.1);
    padding: var(--space-xs) var(--space-lg);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-lg);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-lg);
}

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

.section-desc {
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    line-height: 1.8;
}

/* --- Buttons --- */
.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.85rem 2rem;
    border-radius: var(--radius-full);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--gradient-accent);
    color: white;
    border-color: transparent;
    box-shadow: 0 4px 15px rgba(224, 122, 95, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(224, 122, 95, 0.4);
}

.btn-outline {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(8px);
}

.btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.7);
    transform: translateY(-2px);
}

.btn-lg {
    padding: 1rem 2.5rem;
    font-size: 1.05rem;
}

/* ============================================
   Navigation
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: var(--space-md) 0;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    box-shadow: var(--shadow-md);
    padding: var(--space-sm) 0;
}

.navbar.scrolled .nav-link {
    color: var(--color-text);
}

.navbar.scrolled .nav-link:hover,
.navbar.scrolled .nav-link.active {
    color: var(--color-accent);
}

.navbar.scrolled .nav-logo {
    color: var(--color-primary);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-xl);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    color: white;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    z-index: 1001;
}

.logo-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.logo-icon svg {
    width: 100%;
    height: 100%;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-xl);
}

.nav-link {
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.8);
    position: relative;
    padding: var(--space-xs) 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-accent);
    transition: width var(--transition-base);
    border-radius: 1px;
}

.nav-link:hover,
.nav-link.active {
    color: white;
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.navbar.scrolled .nav-link:hover::after,
.navbar.scrolled .nav-link.active::after {
    width: 100%;
}

/* Mobile nav toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--space-xs);
    z-index: 1001;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: white;
    border-radius: 2px;
    transition: all var(--transition-base);
}

.navbar.scrolled .nav-toggle span {
    background: var(--color-text);
}

/* ============================================
   Hero Section
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-gradient {
    position: absolute;
    inset: 0;
    background: var(--gradient-hero);
}

.hero-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.05;
    background-image:
        radial-gradient(circle at 25% 25%, white 1px, transparent 1px),
        radial-gradient(circle at 75% 75%, white 1px, transparent 1px);
    background-size: 60px 60px;
}

.floating-shapes {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    opacity: 0.08;
    animation: float 20s ease-in-out infinite;
}

.shape-1 {
    width: 400px;
    height: 400px;
    background: var(--color-accent);
    top: -100px;
    right: -100px;
    animation-delay: 0s;
}

.shape-2 {
    width: 300px;
    height: 300px;
    background: var(--color-gold);
    bottom: -50px;
    left: -80px;
    animation-delay: -5s;
}

.shape-3 {
    width: 200px;
    height: 200px;
    background: var(--color-teal);
    top: 40%;
    right: 20%;
    animation-delay: -10s;
}

.shape-4 {
    width: 150px;
    height: 150px;
    background: white;
    top: 20%;
    left: 15%;
    animation-delay: -7s;
}

.shape-5 {
    width: 250px;
    height: 250px;
    background: var(--color-accent);
    bottom: 20%;
    right: 10%;
    animation-delay: -3s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    25% { transform: translate(30px, -30px) scale(1.05); }
    50% { transform: translate(-20px, 20px) scale(0.95); }
    75% { transform: translate(20px, 10px) scale(1.02); }
}

.hero-content {
    position: relative;
    z-index: 1;
    text-align: center;
    padding: var(--space-4xl) var(--space-xl);
    max-width: 800px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: var(--space-sm) var(--space-lg);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-2xl);
    animation: fadeInDown 0.8s ease-out;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-accent);
    border-radius: 50%;
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.3); }
}

.hero-title {
    font-family: var(--font-heading);
    color: white;
    margin-bottom: var(--space-xl);
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.title-line {
    display: block;
    font-size: clamp(2.5rem, 7vw, 5rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

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

.hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto var(--space-2xl);
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.hero-cta {
    display: flex;
    gap: var(--space-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-4xl);
    animation: fadeInUp 0.8s ease-out 0.6s both;
}

.hero-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2xl);
    animation: fadeInUp 0.8s ease-out 0.8s both;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: white;
}

.stat-label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.stat-divider {
    width: 1px;
    height: 40px;
    background: rgba(255, 255, 255, 0.2);
}

.hero-scroll {
    position: absolute;
    bottom: var(--space-2xl);
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.scroll-indicator {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    color: white;
    animation: bounce 2s ease-in-out infinite;
    transition: all var(--transition-base);
}

.scroll-indicator:hover {
    border-color: rgba(255, 255, 255, 0.6);
    background: rgba(255, 255, 255, 0.1);
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(8px); }
}

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

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

/* ============================================
   About Section
   ============================================ */
.section-about {
    background: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.about-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.about-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-accent);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.about-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

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

.about-card-main {
    grid-column: span 2;
    background: var(--gradient-dark);
    color: white;
    border: none;
}

.about-card-main::before {
    display: none;
}

.about-card-main h3 {
    color: white;
    font-size: 1.5rem;
}

.about-card-main p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-card-icon {
    width: 56px;
    height: 56px;
    margin-bottom: var(--space-lg);
    color: var(--color-accent);
}

.about-card-main .about-card-icon {
    color: var(--color-gold-light);
}

.about-card-icon svg {
    width: 100%;
    height: 100%;
}

.about-card h3 {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-md);
}

.about-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   Courses Section
   ============================================ */
.section-courses {
    background: var(--color-bg-alt);
}

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

.course-card {
    background: var(--color-surface);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.course-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
    border-color: transparent;
}

.course-visual {
    position: relative;
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.course-visual-bg {
    position: absolute;
    inset: 0;
}

.course-bg-1 {
    background: linear-gradient(135deg, #1B4965 0%, #3D998F 100%);
}

.course-bg-2 {
    background: linear-gradient(135deg, #E07A5F 0%, #D4A853 100%);
}

.course-bg-3 {
    background: linear-gradient(135deg, #2D6A8F 0%, #1B4965 100%);
}

.course-icon {
    position: relative;
    z-index: 1;
    width: 80px;
    height: 80px;
    color: white;
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--space-md);
    transition: transform var(--transition-spring);
}

.course-card:hover .course-icon {
    transform: scale(1.1) rotate(5deg);
}

.course-content {
    padding: var(--space-xl);
}

.course-badge {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-teal);
    background: rgba(61, 153, 143, 0.1);
    padding: var(--space-xs) var(--space-md);
    border-radius: var(--radius-full);
    margin-bottom: var(--space-md);
}

.course-badge-accent {
    color: var(--color-accent);
    background: rgba(224, 122, 95, 0.1);
}

.course-badge-warm {
    color: var(--color-gold);
    background: rgba(212, 168, 83, 0.1);
}

.course-title {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-md);
}

.course-desc {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
}

.course-details {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.course-details li {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.course-details li svg {
    width: 18px;
    height: 18px;
    color: var(--color-teal);
    flex-shrink: 0;
}

/* ============================================
   Activities Section
   ============================================ */
.section-activities {
    background: var(--color-bg);
}

.activities-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-xl);
}

.activity-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.activity-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(224, 122, 95, 0.2);
}

.activity-number {
    position: absolute;
    top: var(--space-lg);
    right: var(--space-xl);
    font-family: var(--font-heading);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-border);
    line-height: 1;
    transition: color var(--transition-base);
}

.activity-card:hover .activity-number {
    color: rgba(224, 122, 95, 0.15);
}

.activity-icon {
    width: 52px;
    height: 52px;
    color: var(--color-accent);
    margin-bottom: var(--space-lg);
    transition: transform var(--transition-spring);
}

.activity-card:hover .activity-icon {
    transform: scale(1.15);
}

.activity-icon svg {
    width: 100%;
    height: 100%;
}

.activity-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-md);
}

.activity-card p {
    color: var(--color-text-secondary);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* ============================================
   Quote / Values Section
   ============================================ */
.section-quote {
    position: relative;
    padding: var(--space-5xl) 0;
    color: white;
    overflow: hidden;
}

.quote-bg {
    position: absolute;
    inset: 0;
    background: var(--gradient-quote);
}

.quote-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.04;
    background-image:
        radial-gradient(circle at 20% 80%, white 1px, transparent 1px),
        radial-gradient(circle at 80% 20%, white 1px, transparent 1px);
    background-size: 50px 50px;
}

.quote-content {
    text-align: center;
    margin-bottom: var(--space-4xl);
    position: relative;
    z-index: 1;
}

.quote-mark {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--space-xl);
    color: white;
    opacity: 0.5;
}

.quote-mark svg {
    width: 100%;
    height: 100%;
}

.quote-text {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3.5vw, 2.5rem);
    font-weight: 400;
    font-style: italic;
    line-height: 1.5;
    max-width: 700px;
    margin: 0 auto var(--space-xl);
    color: rgba(255, 255, 255, 0.95);
}

.quote-attribution {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-md);
    font-size: 0.9rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.6);
    text-transform: uppercase;
    letter-spacing: 0.15em;
}

.quote-line {
    width: 40px;
    height: 1px;
    background: var(--color-accent);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-xl);
    position: relative;
    z-index: 1;
}

.value-item {
    text-align: center;
    padding: var(--space-xl);
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.value-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
    border-color: rgba(255, 255, 255, 0.2);
}

.value-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto var(--space-md);
    color: var(--color-gold-light);
}

.value-icon svg {
    width: 100%;
    height: 100%;
}

.value-item h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    color: white;
}

.value-item p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.5;
}

/* ============================================
   Contact Section
   ============================================ */
.section-contact {
    background: var(--color-bg);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xl);
}

.contact-card {
    background: var(--color-surface);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: var(--space-2xl);
}

.contact-card h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-xl);
}

.contact-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-lg);
    margin-bottom: var(--space-2xl);
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-md);
}

.contact-icon {
    width: 44px;
    height: 44px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(224, 122, 95, 0.1);
    border-radius: var(--radius-md);
    color: var(--color-accent);
    padding: 10px;
}

.contact-icon svg {
    width: 100%;
    height: 100%;
}

.contact-item strong {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: 2px;
}

.contact-item p {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.contact-social h4 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: var(--space-md);
}

.social-links {
    display: flex;
    gap: var(--space-md);
}

.social-link {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-lg);
    background: #1877F2;
    color: white;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
    font-weight: 600;
    transition: all var(--transition-base);
}

.social-link svg {
    width: 20px;
    height: 20px;
}

.social-link:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(24, 119, 242, 0.4);
}

/* Contact CTA card */
.contact-card-cta {
    background: var(--gradient-hero);
    border: none;
    color: white;
    position: relative;
    overflow: hidden;
    display: flex;
    align-items: center;
}

.cta-inner {
    position: relative;
    z-index: 1;
}

.cta-decoration {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 200px;
    height: 200px;
    opacity: 0.15;
    color: white;
    animation: spin 30s linear infinite;
}

@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

.cta-decoration svg {
    width: 100%;
    height: 100%;
}

.contact-card-cta h3 {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    color: white;
    margin-bottom: var(--space-md);
}

.contact-card-cta p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
}

.contact-card-cta .btn-primary {
    background: rgba(255, 255, 255, 0.2);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: none;
}

.contact-card-cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.2);
}

/* ============================================
   Footer
   ============================================ */
.footer {
    background: var(--color-primary-dark);
    color: white;
    padding: var(--space-4xl) 0 var(--space-xl);
}

.footer-top {
    display: flex;
    justify-content: space-between;
    gap: var(--space-4xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--space-xl);
}

.footer-brand {
    max-width: 380px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: var(--space-sm);
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
}

.footer-logo .logo-icon {
    width: 36px;
    height: 36px;
    color: var(--color-accent);
}

.footer-brand p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.5);
    line-height: 1.7;
}

.footer-links {
    display: flex;
    gap: var(--space-4xl);
}

.footer-col h4 {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: var(--space-md);
    color: rgba(255, 255, 255, 0.8);
}

.footer-col a {
    display: block;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.5);
    padding: var(--space-xs) 0;
    transition: color var(--transition-fast);
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--space-md);
}

.footer-bottom p {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.3);
}

/* ============================================
   Scroll Animations
   ============================================ */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ============================================
   Responsive Design
   ============================================ */
@media (max-width: 1024px) {
    .courses-grid {
        grid-template-columns: 1fr;
        max-width: 600px;
        margin: 0 auto;
    }

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

    .footer-top {
        flex-direction: column;
        gap: var(--space-2xl);
    }

    .footer-links {
        gap: var(--space-2xl);
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: var(--color-primary-dark);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: var(--space-xl);
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-base);
    }

    .nav-links.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-links .nav-link {
        font-size: 1.2rem;
        color: rgba(255, 255, 255, 0.8);
    }

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translateY(7px);
    }

    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translateY(-7px);
    }

    .hero-stats {
        flex-direction: column;
        gap: var(--space-lg);
    }

    .stat-divider {
        width: 40px;
        height: 1px;
    }

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

    .about-card-main {
        grid-column: span 1;
    }

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

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

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .section {
        padding: var(--space-4xl) 0;
    }

    .container {
        padding: 0 var(--space-md);
    }
}

@media (max-width: 480px) {
    .title-line {
        font-size: clamp(2rem, 10vw, 3rem);
    }

    .hero-content {
        padding: var(--space-2xl) var(--space-md);
    }

    .btn {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }

    .course-visual {
        height: 160px;
    }

    .quote-text {
        font-size: clamp(1.2rem, 4vw, 1.8rem);
    }

    .footer-links {
        flex-wrap: wrap;
    }
}