/* ============================================
   RFTF Design System — Light Theme Edition
   Robotics & Future Technologies Foundation
   ============================================ */

/* ---------- Google Fonts ---------- */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@300;400;500;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* ---------- Design Tokens ---------- */
:root {
    /* Backgrounds */
    --bg-white: #ffffff;
    --bg-light: #f8fafc;
    --bg-subtle: #f1f5f9;
    --bg-dark: #0a1628;
    --bg-dark-secondary: #0f2b46;
    --bg-card: #ffffff;
    --bg-card-dark: rgba(15, 43, 70, 0.6);

    /* Primary Palette */
    --primary: #0a1628;
    --primary-mid: #0f2b46;
    --primary-light: #1a4a78;

    /* Accent Colors */
    --accent: #00b4d8;
    --accent-bright: #00d4ff;
    --accent-deep: #0077b6;
    --accent-hover: #0096c7;

    /* Domain Accents */
    --robotics-blue: #00d4ff;
    --ai-purple: #8b5cf6;
    --drone-orange: #ff6b35;
    --iot-green: #10b981;
    --innovation-gold: #f59e0b;
    --research-magenta: #ec4899;

    /* India Colors */
    --saffron: #ff6b35;
    --india-green: #10b981;

    /* Text */
    --text-heading: #0a1628;
    --text-body: #334155;
    --text-muted: #64748b;
    --text-light: #94a3b8;
    --text-on-dark: #ffffff;
    --text-on-dark-muted: #cbd5e1;

    /* Borders */
    --border-light: #e2e8f0;
    --border-subtle: #f1f5f9;
    --border-accent: rgba(0, 180, 216, 0.2);

    /* Typography */
    --font-heading: 'Space Grotesk', sans-serif;
    --font-body: 'Inter', sans-serif;

    /* Shadows */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 32px rgba(0,0,0,0.1);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.12);
    --shadow-accent: 0 4px 20px rgba(0, 180, 216, 0.15);
    --shadow-accent-lg: 0 8px 32px rgba(0, 180, 216, 0.2);

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

    /* Borders */
    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;
    --radius-full: 9999px;

    /* Transitions */
    --transition-fast: 0.15s ease;
    --transition-base: 0.25s ease;
    --transition-slow: 0.4s ease;
    --transition-spring: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
}

body {
    background-color: var(--bg-white);
    color: var(--text-body);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul, ol {
    list-style: none;
}

/* ---------- Accessibility ---------- */
:focus-visible {
    outline: 3px solid var(--accent);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    html { scroll-behavior: auto; }
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.15;
    color: var(--text-heading);
    letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); margin-bottom: var(--space-md); }
h2 { font-size: clamp(2rem, 4vw, 2.75rem); margin-bottom: var(--space-sm); }
h3 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); margin-bottom: var(--space-xs); }
h4 { font-size: 1.125rem; margin-bottom: var(--space-xs); }

p {
    max-width: 68ch;
    margin-bottom: var(--space-sm);
}

.text-accent { color: var(--accent); }
.text-gradient {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-bright) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.overline {
    font-family: var(--font-body);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: var(--space-sm);
}

.overline::before {
    content: '';
    width: 24px;
    height: 2px;
    background: var(--accent);
    border-radius: 1px;
}

/* ---------- Layout ---------- */
.container {
    width: 100%;
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--space-lg);
}

.container-narrow {
    max-width: 960px;
}

section {
    padding: var(--space-3xl) 0;
    position: relative;
}

.bg-light { background-color: var(--bg-light); }
.bg-subtle { background-color: var(--bg-subtle); }
.bg-dark {
    background-color: var(--bg-dark);
    color: var(--text-on-dark);
}
.bg-dark h1, .bg-dark h2, .bg-dark h3, .bg-dark h4 { color: var(--text-on-dark); }
.bg-dark p, .bg-dark .text-muted { color: var(--text-on-dark-muted); }
.bg-dark .overline { color: var(--accent-bright); }

/* ---------- Section Headers ---------- */
.section-header {
    text-align: center;
    margin-bottom: var(--space-2xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.section-header .overline {
    justify-content: center;
}

.section-subtitle {
    color: var(--text-muted);
    font-size: 1.1rem;
    line-height: 1.7;
}

.bg-dark .section-subtitle {
    color: var(--text-on-dark-muted);
}

/* ---------- Buttons ---------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.75rem;
    font-family: var(--font-body);
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: var(--radius-md);
    text-decoration: none;
    transition: all var(--transition-base);
    cursor: pointer;
    border: 2px solid transparent;
    min-height: 48px;
    position: relative;
    overflow: hidden;
}

.btn:active { transform: scale(0.97); }

.btn-primary {
    background: linear-gradient(135deg, var(--accent) 0%, var(--accent-deep) 100%);
    color: #fff;
    border-color: transparent;
    box-shadow: var(--shadow-accent);
}

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

.btn-secondary {
    background: var(--bg-white);
    color: var(--primary);
    border-color: var(--border-light);
}

.btn-secondary:hover {
    border-color: var(--accent);
    color: var(--accent);
    box-shadow: var(--shadow-sm);
}

.btn-outline {
    background: transparent;
    color: var(--primary);
    border-color: var(--primary);
}

.btn-outline:hover {
    background: var(--primary);
    color: #fff;
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border-color: rgba(255,255,255,0.4);
}

.btn-outline-light:hover {
    background: rgba(255,255,255,0.1);
    border-color: #fff;
    color: #fff;
}

.btn-sm {
    padding: 0.5rem 1.25rem;
    font-size: 0.875rem;
    min-height: 40px;
}

.btn-lg {
    padding: 1rem 2.25rem;
    font-size: 1.05rem;
    min-height: 54px;
}

.btn-icon {
    width: 48px;
    padding: 0;
}

/* ---------- Cards ---------- */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-base);
    overflow: hidden;
}

.card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-4px);
    border-color: var(--border-accent);
}

.card-body {
    padding: var(--space-lg);
}

.card-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

/* Glass Card (for dark sections) */
.glass-card {
    background: rgba(15, 43, 70, 0.4);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 212, 255, 0.12);
    border-radius: var(--radius-lg);
    transition: all var(--transition-base);
}

.glass-card:hover {
    border-color: rgba(0, 212, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 212, 255, 0.1);
}

/* ---------- Navigation ---------- */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 1rem 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid transparent;
    transition: all var(--transition-base);
}

.navbar.scrolled {
    padding: 0.65rem 0;
    border-bottom-color: var(--border-light);
    box-shadow: var(--shadow-sm);
    background: rgba(255, 255, 255, 0.97);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-start;
    text-decoration: none;
    flex-shrink: 0;
}

.nav-logo-img {
    height: auto;
    max-height: 52px;
    width: auto;
    object-fit: contain;
    transform: scale(1.5);
    transform-origin: left center;
    transition: all var(--transition-base);
}

.navbar.scrolled .nav-logo-img {
    max-height: 42px;
}

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

.nav-cta-container {
    flex: 1;
    display: flex;
    justify-content: flex-end;
    align-items: center;
}

.nav-links a {
    color: var(--text-body);
    font-weight: 500;
    font-size: 0.93rem;
    padding: 0.5rem 0.85rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition-fast);
    position: relative;
}

.nav-links a:hover {
    color: var(--accent);
    background: var(--bg-light);
}

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

.nav-links a.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2.5px;
    background: var(--accent);
    border-radius: 2px;
}

.nav-cta {
    margin-left: auto;
}

/* Menu Toggle */
.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    background: none;
    border: none;
    padding: 10px;
    z-index: 1001;
}

.menu-toggle span {
    width: 26px;
    height: 2.5px;
    background-color: var(--primary);
    transition: all var(--transition-base);
    border-radius: 2px;
}

.menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}
.menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(-10px);
}
.menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: var(--bg-dark);
    overflow: hidden;
    padding-top: 80px;
}

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

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background:
        linear-gradient(135deg, rgba(10, 22, 40, 0.92) 0%, rgba(15, 43, 70, 0.75) 50%, rgba(10, 22, 40, 0.85) 100%);
    z-index: 1;
}

/* Hero Particles - CSS only ambient dots */
.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}

.hero-particles span {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    animation: float-particle 20s infinite linear;
}

.hero-particles span:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; animation-duration: 22s; }
.hero-particles span:nth-child(2) { left: 25%; top: 60%; animation-delay: 3s; animation-duration: 18s; }
.hero-particles span:nth-child(3) { left: 50%; top: 30%; animation-delay: 6s; animation-duration: 25s; }
.hero-particles span:nth-child(4) { left: 70%; top: 70%; animation-delay: 2s; animation-duration: 20s; }
.hero-particles span:nth-child(5) { left: 85%; top: 15%; animation-delay: 5s; animation-duration: 23s; }
.hero-particles span:nth-child(6) { left: 15%; top: 80%; animation-delay: 8s; animation-duration: 19s; }
.hero-particles span:nth-child(7) { left: 40%; top: 50%; animation-delay: 1s; animation-duration: 24s; }
.hero-particles span:nth-child(8) { left: 60%; top: 10%; animation-delay: 4s; animation-duration: 21s; }
.hero-particles span:nth-child(9) { left: 90%; top: 45%; animation-delay: 7s; animation-duration: 17s; }
.hero-particles span:nth-child(10) { left: 35%; top: 85%; animation-delay: 9s; animation-duration: 26s; }

@keyframes float-particle {
    0% { transform: translate(0, 0) scale(1); opacity: 0; }
    10% { opacity: 1; }
    50% { transform: translate(80px, -120px) scale(1.5); }
    90% { opacity: 1; }
    100% { transform: translate(-40px, -250px) scale(0.5); opacity: 0; }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 720px;
    text-align: center;
    margin: 0 auto;
    padding: var(--space-lg);
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.2);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--accent-bright);
    margin-bottom: var(--space-lg);
    backdrop-filter: blur(8px);
}

.hero-badge i {
    font-size: 0.7rem;
}

.hero h1 {
    color: #fff;
    font-size: clamp(2.5rem, 5.5vw, 4.25rem);
    line-height: 1.1;
    margin-bottom: var(--space-md);
    letter-spacing: -0.03em;
}

.hero h1 .text-gradient {
    background: linear-gradient(135deg, var(--accent-bright) 0%, #60a5fa 50%, var(--accent-bright) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    color: var(--text-on-dark-muted);
    font-size: 1.15rem;
    line-height: 1.7;
    margin-bottom: var(--space-xl);
    max-width: 580px;
    margin-left: auto;
    margin-right: auto;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.hero-scroll {
    position: absolute;
    bottom: 2.5rem;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    color: rgba(255,255,255,0.5);
    font-size: 0.8rem;
    font-weight: 500;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: bounce-scroll 2s ease infinite;
}

.hero-scroll i {
    font-size: 1.2rem;
}

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

/* ============================================
   IMPACT DASHBOARD
   ============================================ */
.impact-section {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 100%);
    padding: var(--space-2xl) 0;
    position: relative;
    overflow: hidden;
}

.impact-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--accent-bright), transparent);
    opacity: 0.3;
}

.impact-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm) var(--space-lg);
}

.impact-card {
    text-align: center;
    padding: var(--space-lg) var(--space-sm);
    position: relative;
}

.impact-card:not(:last-child)::after {
    content: '';
    position: absolute;
    right: 0;
    top: 20%;
    height: 60%;
    width: 1px;
    background: rgba(255,255,255,0.1);
}

.impact-icon {
    font-size: 1.5rem;
    color: var(--accent-bright);
    margin-bottom: var(--space-xs);
    opacity: 0.8;
}

.counter {
    font-size: clamp(2.25rem, 4vw, 3.25rem);
    font-family: var(--font-heading);
    font-weight: 700;
    color: #fff;
    display: block;
    line-height: 1.2;
    margin-bottom: 0.25rem;
}

.impact-label {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-on-dark-muted);
    letter-spacing: 0.02em;
}

/* ============================================
   WHO WE ARE
   ============================================ */
.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: var(--space-2xl);
    align-items: center;
}

.about-text h2 {
    margin-bottom: var(--space-md);
}

.about-text p {
    color: var(--text-body);
    margin-bottom: var(--space-md);
    line-height: 1.8;
}

.about-values {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: var(--space-md);
}

.value-tag {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 1rem;
    background: var(--bg-light);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-body);
    transition: all var(--transition-fast);
}

.value-tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(0, 180, 216, 0.05);
}

.about-cards {
    display: grid;
    gap: var(--space-md);
}

.vision-card, .mission-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

.vision-card:hover, .mission-card:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-3px);
}

.vision-card { border-left: 4px solid var(--accent); }
.mission-card { border-left: 4px solid var(--saffron); }

.about-card-icon {
    font-size: 1.75rem;
    margin-bottom: var(--space-sm);
}

.vision-card .about-card-icon { color: var(--accent); }
.mission-card .about-card-icon { color: var(--saffron); }

/* ============================================
   FOCUS AREAS
   ============================================ */
.focus-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.focus-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    background: var(--bg-card);
    box-shadow: var(--shadow-xs);
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
}

.focus-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
    transition: height var(--transition-base);
}

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

.focus-card:hover::before {
    height: 4px;
}

/* Domain color accents */
.focus-card[data-domain="robotics"]::before { background: var(--robotics-blue); }
.focus-card[data-domain="ai"]::before { background: var(--ai-purple); }
.focus-card[data-domain="drones"]::before { background: var(--drone-orange); }
.focus-card[data-domain="iot"]::before { background: var(--iot-green); }
.focus-card[data-domain="innovation"]::before { background: var(--innovation-gold); }
.focus-card[data-domain="research"]::before { background: var(--research-magenta); }

.focus-icon {
    width: 56px;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.5rem;
    margin-bottom: var(--space-md);
    transition: transform var(--transition-spring);
}

.focus-card:hover .focus-icon {
    transform: scale(1.1);
}

.focus-card[data-domain="robotics"] .focus-icon { background: rgba(0, 212, 255, 0.1); color: var(--robotics-blue); }
.focus-card[data-domain="ai"] .focus-icon { background: rgba(139, 92, 246, 0.1); color: var(--ai-purple); }
.focus-card[data-domain="drones"] .focus-icon { background: rgba(255, 107, 53, 0.1); color: var(--drone-orange); }
.focus-card[data-domain="iot"] .focus-icon { background: rgba(16, 185, 129, 0.1); color: var(--iot-green); }
.focus-card[data-domain="innovation"] .focus-icon { background: rgba(245, 158, 11, 0.1); color: var(--innovation-gold); }
.focus-card[data-domain="research"] .focus-icon { background: rgba(236, 72, 153, 0.1); color: var(--research-magenta); }

.focus-card h3 {
    font-size: 1.2rem;
    margin-bottom: var(--space-sm);
}

.focus-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.focus-tag {
    font-size: 0.78rem;
    padding: 0.25rem 0.7rem;
    background: var(--bg-light);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    font-weight: 500;
    transition: all var(--transition-fast);
}

.focus-card:hover .focus-tag {
    background: var(--bg-subtle);
}

/* ============================================
   NATIONAL PROGRAMS
   ============================================ */
.programs-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-md);
}

.program-card {
    display: flex;
    flex-direction: column;
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    background: var(--bg-card);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-xs);
}

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

.program-card-header {
    padding: var(--space-lg);
    position: relative;
}

.program-card-header.robotics-edu { background: linear-gradient(135deg, rgba(0, 212, 255, 0.06), rgba(0, 212, 255, 0.02)); }
.program-card-header.lab-initiative { background: linear-gradient(135deg, rgba(139, 92, 246, 0.06), rgba(139, 92, 246, 0.02)); }
.program-card-header.skills-academy { background: linear-gradient(135deg, rgba(245, 158, 11, 0.06), rgba(245, 158, 11, 0.02)); }
.program-card-header.teacher-empower { background: linear-gradient(135deg, rgba(16, 185, 129, 0.06), rgba(16, 185, 129, 0.02)); }

.program-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.35rem;
    margin-bottom: var(--space-sm);
}

.robotics-edu .program-icon { background: rgba(0, 212, 255, 0.15); color: var(--robotics-blue); }
.lab-initiative .program-icon { background: rgba(139, 92, 246, 0.15); color: var(--ai-purple); }
.skills-academy .program-icon { background: rgba(245, 158, 11, 0.15); color: var(--innovation-gold); }
.teacher-empower .program-icon { background: rgba(16, 185, 129, 0.15); color: var(--iot-green); }

.program-card h3 {
    font-size: 1.15rem;
    margin-bottom: 0.35rem;
}

.program-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: var(--space-sm);
}

.program-features {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    padding: 0 var(--space-lg) var(--space-md);
}

.program-feature-tag {
    font-size: 0.78rem;
    padding: 0.3rem 0.75rem;
    background: var(--bg-light);
    border-radius: var(--radius-full);
    color: var(--text-muted);
    font-weight: 500;
}

.program-card-footer {
    padding: 0 var(--space-lg) var(--space-lg);
    margin-top: auto;
}

/* ============================================
   COMPETITIONS
   ============================================ */
.competitions-section {
    position: relative;
    overflow: hidden;
}

.competitions-header-visual {
    position: relative;
    border-radius: var(--radius-xl);
    overflow: hidden;
    margin-bottom: var(--space-2xl);
    min-height: 280px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.competitions-header-visual img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.competitions-header-visual::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(10, 22, 40, 0.85), rgba(15, 43, 70, 0.7));
    z-index: 1;
}

.competitions-header-content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--space-2xl);
    color: #fff;
}

.competitions-header-content h2 { color: #fff; }
.competitions-header-content p { color: var(--text-on-dark-muted); margin: 0 auto; }

.competitions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.competition-card {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    padding: var(--space-lg);
    background: var(--bg-card);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-xs);
    position: relative;
    overflow: hidden;
}

.competition-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
}

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

.competition-card[data-level="state"]::before { background: var(--accent); }
.competition-card[data-level="national"]::before { background: linear-gradient(90deg, var(--saffron), #fff, var(--india-green)); }
.competition-card[data-level="international"]::before { background: var(--ai-purple); }
.competition-card[data-level="olympiad"]::before { background: var(--innovation-gold); }
.competition-card[data-level="ai"]::before { background: var(--ai-purple); }
.competition-card[data-level="drone"]::before { background: var(--drone-orange); }
.competition-card[data-level="university"]::before { background: var(--iot-green); }

.competition-level {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: 0.3rem 0.75rem;
    border-radius: var(--radius-full);
    margin-bottom: var(--space-sm);
}

.competition-card[data-level="state"] .competition-level { background: rgba(0, 180, 216, 0.1); color: var(--accent); }
.competition-card[data-level="national"] .competition-level { background: rgba(255, 107, 53, 0.1); color: var(--saffron); }
.competition-card[data-level="international"] .competition-level { background: rgba(139, 92, 246, 0.1); color: var(--ai-purple); }
.competition-card[data-level="olympiad"] .competition-level { background: rgba(245, 158, 11, 0.1); color: var(--innovation-gold); }
.competition-card[data-level="ai"] .competition-level { background: rgba(139, 92, 246, 0.1); color: var(--ai-purple); }
.competition-card[data-level="drone"] .competition-level { background: rgba(255, 107, 53, 0.1); color: var(--drone-orange); }
.competition-card[data-level="university"] .competition-level { background: rgba(16, 185, 129, 0.1); color: var(--iot-green); }

.competition-card h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }
.competition-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: var(--space-sm); }

/* ============================================
   EXPO & CONFERENCES
   ============================================ */
.events-split {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
}

.event-group h3 {
    font-size: 1.35rem;
    margin-bottom: var(--space-md);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

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

.event-item {
    display: flex;
    align-items: flex-start;
    gap: var(--space-sm);
    padding: var(--space-sm) var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    background: var(--bg-card);
    transition: all var(--transition-base);
}

.event-item:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-sm);
}

.event-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    font-size: 1rem;
    flex-shrink: 0;
    margin-top: 2px;
}

.event-item h4 { font-size: 0.95rem; margin-bottom: 0.2rem; }
.event-item p { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 0; }

.expo-icon { background: rgba(0, 212, 255, 0.1); color: var(--accent); }
.conf-icon { background: rgba(139, 92, 246, 0.1); color: var(--ai-purple); }

/* ============================================
   RESEARCH & INNOVATION
   ============================================ */
.research-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-2xl);
    align-items: center;
}

.research-image {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.research-image img {
    width: 100%;
    height: 400px;
    object-fit: cover;
}

.research-items {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
}

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

.research-item-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    font-size: 1.2rem;
    flex-shrink: 0;
    background: rgba(236, 72, 153, 0.1);
    color: var(--research-magenta);
}

.research-item h4 { font-size: 1.05rem; margin-bottom: 0.25rem; }
.research-item p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0; }

/* ============================================
   STARTUP ECOSYSTEM
   ============================================ */
.startup-section {
    position: relative;
}

.startup-pipeline {
    display: flex;
    gap: 0;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: var(--space-2xl);
}

.pipeline-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--space-md);
    position: relative;
    flex: 1;
    min-width: 140px;
}

.pipeline-step:not(:last-child)::after {
    content: '';
    position: absolute;
    top: 28px;
    right: -10px;
    width: 20px;
    height: 2px;
    background: var(--border-light);
}

.pipeline-dot {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
    margin-bottom: var(--space-sm);
    border: 2px solid var(--border-light);
    transition: all var(--transition-base);
    background: var(--bg-card);
}

.pipeline-step:hover .pipeline-dot {
    border-color: var(--accent);
    box-shadow: var(--shadow-accent);
    transform: scale(1.1);
}

.pipeline-step h4 { font-size: 0.9rem; margin-bottom: 0.2rem; }
.pipeline-step p { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 0; }

.startup-visual {
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    max-height: 360px;
}

.startup-visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ============================================
   MEMBERSHIP
   ============================================ */
.membership-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
    gap: var(--space-md);
}

.member-card {
    padding: var(--space-lg);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    background: var(--bg-card);
    text-align: center;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-xs);
    position: relative;
}

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

.member-card.featured {
    border-color: var(--accent);
    box-shadow: var(--shadow-accent);
}

.member-card.featured::before {
    content: 'Popular';
    position: absolute;
    top: -1px;
    right: var(--space-md);
    background: var(--accent);
    color: #fff;
    font-size: 0.7rem;
    font-weight: 700;
    padding: 0.25rem 0.75rem;
    border-radius: 0 0 var(--radius-sm) var(--radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.member-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin: 0 auto var(--space-sm);
    background: var(--bg-light);
    color: var(--accent);
}

.member-card.featured .member-icon {
    background: rgba(0, 180, 216, 0.1);
}

.member-card h3 { font-size: 1.1rem; margin-bottom: 0.35rem; }
.member-card .member-audience { font-size: 0.82rem; color: var(--text-muted); margin-bottom: var(--space-sm); }

.member-benefits {
    text-align: left;
    margin-bottom: var(--space-md);
}

.member-benefits li {
    font-size: 0.88rem;
    padding: 0.35rem 0;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-body);
}

.member-benefits li i {
    color: var(--accent);
    font-size: 0.7rem;
}

/* ============================================
   CSR & PARTNERSHIPS
   ============================================ */
.partners-marquee {
    overflow: hidden;
    padding: var(--space-lg) 0;
    position: relative;
}

.partners-marquee::before,
.partners-marquee::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 100px;
    z-index: 2;
}

.partners-marquee::before {
    left: 0;
    background: linear-gradient(90deg, var(--bg-white), transparent);
}

.partners-marquee::after {
    right: 0;
    background: linear-gradient(270deg, var(--bg-white), transparent);
}

.bg-light .partners-marquee::before {
    background: linear-gradient(90deg, var(--bg-light), transparent);
}
.bg-light .partners-marquee::after {
    background: linear-gradient(270deg, var(--bg-light), transparent);
}

.marquee-track {
    display: flex;
    gap: var(--space-2xl);
    animation: marquee-scroll 30s linear infinite;
    width: max-content;
}

.marquee-track:hover {
    animation-play-state: paused;
}

@keyframes marquee-scroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(-50%); }
}

.partner-logo {
    height: 40px;
    opacity: 0.4;
    filter: grayscale(100%);
    transition: all var(--transition-base);
    flex-shrink: 0;
}

.partner-logo:hover {
    opacity: 0.8;
    filter: grayscale(0%);
}

.csr-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-sm);
}

.csr-area {
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    text-align: center;
    transition: all var(--transition-base);
    background: var(--bg-card);
}

.csr-area:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-sm);
}

.csr-area i {
    font-size: 1.5rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
    display: block;
}

.csr-area h4 { font-size: 0.95rem; }

/* ============================================
   SUCCESS STORIES
   ============================================ */
.stories-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
}

.story-card {
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-light);
    background: var(--bg-card);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-xs);
}

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

.story-image {
    height: 200px;
    overflow: hidden;
}

.story-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.story-card:hover .story-image img {
    transform: scale(1.05);
}

.story-body {
    padding: var(--space-md);
}

.story-category {
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--accent);
    margin-bottom: 0.35rem;
}

.story-body h3 { font-size: 1.05rem; margin-bottom: 0.5rem; }
.story-body p {
    font-size: 0.88rem;
    color: var(--text-muted);
    margin-bottom: 0;
    font-style: italic;
}

.story-quote {
    padding: var(--space-sm) 0 0;
    border-top: 1px solid var(--border-light);
    margin-top: var(--space-sm);
    font-size: 0.85rem;
    color: var(--text-body);
    font-weight: 500;
}

/* ============================================
   MEDIA & KNOWLEDGE HUB (Preview)
   ============================================ */
.media-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: var(--space-2xl);
}

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

.news-item {
    display: flex;
    gap: var(--space-md);
    align-items: flex-start;
    padding: var(--space-md);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
    transition: all var(--transition-base);
}

.news-item:hover {
    border-color: var(--border-accent);
    box-shadow: var(--shadow-sm);
}

.news-date {
    flex-shrink: 0;
    text-align: center;
    padding: 0.5rem;
    background: var(--bg-light);
    border-radius: var(--radius-sm);
    min-width: 50px;
}

.news-date .day {
    font-size: 1.4rem;
    font-weight: 700;
    font-family: var(--font-heading);
    color: var(--accent);
    line-height: 1;
    display: block;
}

.news-date .month {
    font-size: 0.7rem;
    font-weight: 600;
    color: var(--text-muted);
    text-transform: uppercase;
}

.news-item h4 { font-size: 0.95rem; margin-bottom: 0.2rem; }
.news-item p { font-size: 0.82rem; color: var(--text-muted); margin-bottom: 0; }

.knowledge-sidebar {
    padding: var(--space-lg);
    background: var(--bg-light);
    border-radius: var(--radius-lg);
}

.knowledge-sidebar h3 {
    margin-bottom: var(--space-md);
}

.knowledge-links {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-bottom: var(--space-lg);
}

.knowledge-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 0.85rem;
    border-radius: var(--radius-sm);
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-body);
    transition: all var(--transition-fast);
}

.knowledge-link:hover {
    background: var(--bg-white);
    color: var(--accent);
}

.knowledge-link i {
    font-size: 0.85rem;
    color: var(--accent);
    width: 20px;
    text-align: center;
}

/* Newsletter */
.newsletter-box {
    padding: var(--space-md);
    background: var(--bg-white);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-light);
}

.newsletter-box h4 { font-size: 1rem; margin-bottom: 0.5rem; }
.newsletter-box p { font-size: 0.85rem; color: var(--text-muted); margin-bottom: var(--space-sm); }

.newsletter-form {
    display: flex;
    gap: 0.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.6rem 0.85rem;
    border: 1px solid var(--border-light);
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 0.88rem;
    outline: none;
    transition: border-color var(--transition-fast);
}

.newsletter-form input:focus {
    border-color: var(--accent);
}

/* ============================================
   FINAL CTA
   ============================================ */
.final-cta {
    background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 100%);
    text-align: center;
    position: relative;
    overflow: hidden;
    padding: var(--space-4xl) 0;
}

.final-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 20% 50%, rgba(0, 212, 255, 0.08), transparent 50%),
        radial-gradient(circle at 80% 50%, rgba(139, 92, 246, 0.06), transparent 50%);
}

.final-cta-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    margin: 0 auto;
}

.final-cta h2 {
    color: #fff;
    font-size: clamp(2rem, 4vw, 2.75rem);
    margin-bottom: var(--space-md);
}

.final-cta p {
    color: var(--text-on-dark-muted);
    font-size: 1.1rem;
    margin: 0 auto var(--space-xl);
}

.cta-cards {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-sm);
    margin-top: var(--space-xl);
}

.cta-card {
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: var(--radius-lg);
    padding: var(--space-lg) var(--space-sm);
    text-align: center;
    transition: all var(--transition-base);
    cursor: pointer;
    text-decoration: none;
    display: block;
}

.cta-card:hover {
    background: rgba(255,255,255,0.1);
    border-color: rgba(0, 212, 255, 0.3);
    transform: translateY(-3px);
}

.cta-card i {
    font-size: 1.5rem;
    color: var(--accent-bright);
    margin-bottom: 0.5rem;
    display: block;
}

.cta-card h4 {
    color: #fff;
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
}

.cta-card p {
    font-size: 0.8rem;
    color: var(--text-on-dark-muted);
    margin-bottom: 0;
}

/* ============================================
   FOOTER
   ============================================ */
footer {
    background: var(--bg-dark);
    color: var(--text-on-dark);
    padding: var(--space-2xl) 0 var(--space-lg);
}

.footer-main {
    display: grid;
    grid-template-columns: 1.5fr repeat(3, 1fr);
    gap: var(--space-2xl);
    margin-bottom: var(--space-2xl);
    padding-bottom: var(--space-2xl);
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand p {
    color: var(--text-on-dark-muted);
    font-size: 0.9rem;
    margin-bottom: var(--space-md);
    max-width: 280px;
}

.footer-brand a {
    display: flex;
    align-items: center;
    text-decoration: none;
    margin-bottom: var(--space-md);
}

.footer-logo-img {
    height: auto;
    max-height: 64px;
    width: auto;
    object-fit: contain;
    transform: scale(1.5);
    transform-origin: left center;
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(255,255,255,0.06);
    color: var(--text-on-dark-muted);
    font-size: 0.9rem;
    transition: all var(--transition-fast);
}

.footer-social a:hover {
    background: var(--accent);
    color: #fff;
    transform: translateY(-2px);
}

.footer-col h4 {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: var(--space-md);
    letter-spacing: 0.03em;
}

.footer-col ul li {
    margin-bottom: 0.6rem;
}

.footer-col ul a {
    color: var(--text-on-dark-muted);
    font-size: 0.88rem;
    transition: all var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.footer-col ul a:hover {
    color: #fff;
    transform: translateX(3px);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.82rem;
    color: var(--text-light);
}

.footer-bottom a {
    color: var(--text-light);
}

.footer-bottom a:hover {
    color: #fff;
}

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

/* ============================================
   SCROLL PROGRESS BAR
   ============================================ */
.scroll-progress {
    position: fixed;
    top: 0;
    left: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-bright));
    z-index: 9999;
    width: 0%;
    transition: width 0.1s linear;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background: var(--bg-white);
    border: 1px solid var(--border-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 99;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition-base);
    box-shadow: var(--shadow-md);
    font-size: 1rem;
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: var(--accent);
    color: #fff;
    border-color: var(--accent);
    transform: translateY(-2px);
}

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

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

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

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

.animate-up {
    animation: fadeInUp 0.7s ease forwards;
}

.reveal-element {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-element.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-element.delay-1 { transition-delay: 0.1s; }
.reveal-element.delay-2 { transition-delay: 0.2s; }
.reveal-element.delay-3 { transition-delay: 0.3s; }
.reveal-element.delay-4 { transition-delay: 0.4s; }
.reveal-element.delay-5 { transition-delay: 0.5s; }
.reveal-element.delay-6 { transition-delay: 0.6s; }

/* ============================================
   PAGE HEADER (Subpages)
   ============================================ */
.page-header {
    background: var(--bg-dark);
    padding: 8rem 0 var(--space-2xl);
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 50%, rgba(0, 212, 255, 0.06), transparent 50%),
        radial-gradient(circle at 70% 50%, rgba(139, 92, 246, 0.04), transparent 50%);
}

.page-header h1 { color: #fff; position: relative; }
.page-header p { color: var(--text-on-dark-muted); position: relative; margin: 0 auto; }

/* ============================================
   RESPONSIVE
   ============================================ */

/* Tablets (1024px and below) */
@media (max-width: 1024px) {
    .nav-links { gap: 0.5rem; }
    .impact-grid { grid-template-columns: repeat(2, 1fr); }
    .impact-card:nth-child(2)::after { display: none; }
    .focus-grid { grid-template-columns: repeat(2, 1fr); }
    .about-grid { grid-template-columns: 1fr; }
    .research-grid { grid-template-columns: 1fr; }
    .events-split { grid-template-columns: 1fr; }
    .media-grid { grid-template-columns: 1fr; }
    .cta-cards { grid-template-columns: repeat(2, 1fr); }
    .footer-main { grid-template-columns: 1fr 1fr; }
    .stories-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Tablets portrait (768px and below) */
@media (max-width: 768px) {
    section { padding: var(--space-2xl) 0; }

    .nav-links {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: var(--bg-white);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 0.5rem;
        opacity: 0;
        visibility: hidden;
        transition: all var(--transition-slow);
        z-index: 1000;
    }

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

    .nav-links a {
        font-size: 1.15rem;
        padding: 0.75rem 1.5rem;
    }

    .nav-cta-container { display: none; }

    .menu-toggle { display: flex; z-index: 1001; }

    .hero { min-height: 90vh; }
    .hero h1 { font-size: 2.25rem; }

    .programs-grid { grid-template-columns: 1fr; }
    .membership-grid { grid-template-columns: 1fr; }
    .startup-pipeline { flex-direction: column; align-items: center; }
    .pipeline-step:not(:last-child)::after {
        top: auto;
        bottom: -8px;
        right: auto;
        left: 50%;
        transform: translateX(-50%) rotate(90deg);
    }
    .footer-main { grid-template-columns: 1fr; gap: var(--space-lg); }
    .footer-bottom { flex-direction: column; gap: var(--space-sm); text-align: center; }
}

/* Mobile (640px and below) */
@media (max-width: 640px) {
    .container { padding: 0 var(--space-sm); }

    .hero-content { padding: var(--space-sm); }
    .hero-actions { flex-direction: column; }
    .hero-actions .btn { width: 100%; }

    .impact-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-xs); }
    .impact-card { padding: var(--space-sm); }
    .impact-card::after { display: none; }
    .counter { font-size: 2rem; }

    .focus-grid { grid-template-columns: 1fr; }
    .stories-grid { grid-template-columns: 1fr; }
    .competitions-grid { grid-template-columns: 1fr; }
    .cta-cards { grid-template-columns: 1fr; }

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