@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600&family=Outfit:wght@400;500;600;700;800&display=swap');

/* --- LIGHT THEME DESIGN SYSTEM TOKENS --- */
:root {
    --bg-base: #F8FAFC;
    --bg-surface: #FFFFFF;
    --bg-surface-hover: #F1F5F9;
    --accent-blue: #2B59C3; /* Hack2Skill Indigo-Blue */
    --accent-blue-glow: rgba(43, 89, 195, 0.15);
    --accent-cyan: #0EA5E9; /* Sky Blue */
    --accent-cyan-glow: rgba(14, 165, 233, 0.12);
    --text-main: #0F172A; /* Slate-900 */
    --text-muted: #475569; /* Slate-600 */
    --text-muted-light: #64748B; /* Slate-500 */
    --border-color: #E2E8F0; /* Slate-200 */
    --border-color-hover: #CBD5E1; /* Slate-300 */
    
    --card-shadow: 0 10px 30px -10px rgba(15, 23, 42, 0.06), 0 1px 3px rgba(15, 23, 42, 0.02);
    --card-shadow-hover: 0 20px 40px -15px rgba(43, 89, 195, 0.12), 0 1px 4px rgba(43, 89, 195, 0.03);
    
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    --transition-smooth: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.2s ease;
    
    --grid-bg: linear-gradient(to right, rgba(15, 23, 42, 0.02) 1px, transparent 1px),
              linear-gradient(to bottom, rgba(15, 23, 42, 0.02) 1px, transparent 1px);
    --grid-size: 40px 40px;
}

/* --- BASE RESET & LAYOUT --- */
* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
    scroll-behavior: smooth;
}

body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: var(--font-body);
    overflow-x: hidden;
    line-height: 1.6;
    background-image: var(--grid-bg);
    background-size: var(--grid-size);
}

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: -0.02em;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}
::-webkit-scrollbar-track {
    background: var(--bg-base);
}
::-webkit-scrollbar-thumb {
    background: rgba(43, 89, 195, 0.25);
    border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
    background: var(--accent-blue);
}

/* --- TYPOGRAPHY & HEADER UTILITIES --- */
.text-gradient-blue {
    background: linear-gradient(135deg, var(--accent-blue) 0%, var(--accent-cyan) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.section-tag {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent-blue);
    letter-spacing: 0.15em;
    text-transform: uppercase;
    margin-bottom: 0.75rem;
    display: inline-block;
    position: relative;
    padding-left: 1.5rem;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1rem;
    height: 2px;
    background-color: var(--accent-blue);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3rem);
    line-height: 1.15;
    margin-bottom: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.section-desc {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 650px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 4rem;
    text-align: center;
}

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

/* --- PREMIUM BUTTONS --- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.85rem 2rem;
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    border-radius: 6px;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 1px solid transparent;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--accent-blue);
    color: #FFFFFF;
    box-shadow: 0 4px 20px rgba(43, 89, 195, 0.25);
}

.btn-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(
        120deg,
        transparent,
        rgba(255, 255, 255, 0.25),
        transparent
    );
    transition: 0.6s;
}

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

.btn-primary:hover {
    background: #1e4bb2;
    box-shadow: 0 6px 25px rgba(43, 89, 195, 0.4);
    transform: translateY(-2px);
}

.btn-secondary {
    background: transparent;
    border-color: var(--accent-blue);
    color: var(--accent-blue);
}

.btn-secondary:hover {
    background: rgba(43, 89, 195, 0.05);
    transform: translateY(-2px);
}

.mobile-only {
    display: none;
}

/* --- HEADER / NAVIGATION --- */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(15, 23, 42, 0.08);
    transition: var(--transition-smooth);
}

.header-container {
    max-width: 1400px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.1rem 2rem;
}

.logo {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: -0.03em;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-main);
}

.logo span {
    color: var(--accent-blue);
}

.logo-dot {
    width: 8px;
    height: 8px;
    background-color: var(--accent-cyan);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(14, 165, 233, 0.6);
}

nav {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

nav ul {
    display: flex;
    list-style: none;
    gap: 1.75rem;
}

nav ul li a {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

nav ul li a:hover,
nav ul li a.active {
    color: var(--accent-blue);
}

header .btn-nav {
    padding: 0.5rem 1.2rem;
    font-size: 0.8rem;
}

/* Mobile Nav Toggle */
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
}

.mobile-toggle span {
    width: 24px;
    height: 2px;
    background-color: var(--text-main);
    transition: var(--transition-fast);
}

/* --- HERO SECTION --- */
.hero {
    position: relative;
    min-height: 95vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
    background-color: #FFFFFF;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 150px;
    background: linear-gradient(to top, var(--bg-base), transparent);
    z-index: 2;
}

.hero-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    background-size: cover;
    background-position: center;
    opacity: 0.9;
    transform: scale(1.02);
    animation: zoomOut 20s infinite alternate ease-in-out;
}

/* White gradient overlay to ensure slate text readability in light theme */
.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    background: linear-gradient(to right, #FFFFFF 45%, rgba(255, 255, 255, 0.85) 65%, rgba(255, 255, 255, 0.1) 100%);
}

.hero-glow {
    position: absolute;
    top: 30%;
    left: 30%;
    transform: translate(-50%, -50%);
    width: 80vw;
    height: 80vh;
    background: radial-gradient(circle, rgba(43, 89, 195, 0.08) 0%, transparent 70%);
    z-index: 1;
    pointer-events: none;
}

.hero-container {
    max-width: 1400px;
    margin: 0 auto;
    width: 100%;
    padding: 4rem 2rem;
    position: relative;
    z-index: 3;
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.hero-tag {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--accent-blue);
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-family: var(--font-heading);
}

.hero-headline {
    font-size: clamp(3rem, 6.5vw, 5rem);
    line-height: 1.05;
    font-weight: 800;
    letter-spacing: -0.03em;
    color: var(--text-main);
    text-transform: uppercase;
}

.hero-subheadline {
    font-size: clamp(1.1rem, 2vw, 1.3rem);
    color: var(--text-muted);
    font-weight: 400;
    max-width: 620px;
    line-height: 1.5;
}

.hero-details {
    display: flex;
    flex-wrap: wrap;
    gap: 2.5rem;
    margin-top: 1rem;
    font-family: var(--font-heading);
    font-size: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-left: 4px solid var(--accent-blue);
    padding-left: 1.5rem;
}

.hero-details div span {
    display: block;
    color: var(--accent-cyan);
    font-weight: 700;
}

.hero-ctas {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-top: 1rem;
}

/* --- HERO SLIDER --- */
.hero-slider {
    width: 100%;
    position: relative;
    overflow: hidden;
    padding: 0;
}

/* Slider Arrow Controls */
.slider-arrow {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 38px;
    height: 38px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border-color);
    color: var(--text-main);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    z-index: 10;
    font-size: 0.85rem;
    transition: var(--transition-fast);
    box-shadow: 0 4px 12px rgba(15, 23, 42, 0.05);
}

.slider-arrow:hover {
    background: var(--accent-blue);
    color: #FFFFFF;
    border-color: var(--accent-blue);
    box-shadow: 0 4px 16px rgba(43, 89, 195, 0.2);
}

.prev-arrow {
    left: 15px;
}

.next-arrow {
    right: 15px;
}

.hero-slides-container {
    display: flex;
    width: 100%;
    transition: transform 0.6s cubic-bezier(0.25, 1, 0.5, 1);
}

.hero-slide {
    flex: 0 0 100%;
    width: 100%;
    padding: 0 50px;
    box-sizing: border-box;
}

.hero-slider-dots {
    display: flex;
    gap: 0.75rem;
    margin-top: 2rem;
    padding-left: 50px;
}

.slider-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.15);
    border: 1px solid rgba(15, 23, 42, 0.1);
    cursor: pointer;
    transition: var(--transition-fast);
}

.slider-dot:hover {
    background: rgba(43, 89, 195, 0.4);
}

.slider-dot.active {
    width: 24px;
    border-radius: 6px;
    background: var(--accent-blue);
    border-color: var(--accent-blue);
}

@media (max-width: 991px) {
    .hero-slide {
        padding: 0 45px;
    }
    .hero-slider-dots {
        padding-left: 0;
        justify-content: center;
    }
    .hero-headline {
        font-size: 2.8rem;
    }
}

@media (max-width: 600px) {
    .hero-slide {
        padding: 0 10px;
    }
    .hero-slider-dots {
        padding-left: 0;
        justify-content: center;
    }
    .prev-arrow {
        left: 5px;
    }
    .next-arrow {
        right: 5px;
    }
    .hero-headline {
        font-size: 2.4rem;
    }
}

.hero-countdown {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 12px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}

.hero-countdown::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-blue), var(--accent-cyan));
}

.countdown-title {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--text-muted-light);
}

.countdown-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.25rem;
    width: 100%;
}

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

.countdown-val {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 850;
    color: var(--accent-blue);
    line-height: 1;
}

.countdown-lbl {
    font-size: 0.75rem;
    text-transform: uppercase;
    color: var(--text-muted-light);
    letter-spacing: 0.1em;
    margin-top: 0.25rem;
}

/* --- ABOUT SECTION --- */
.section-padding {
    padding: 8rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
    position: relative;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 5rem;
    align-items: center;
}

.about-info h3 {
    font-size: 2.1rem;
    line-height: 1.25;
    margin-bottom: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

.about-info p {
    color: var(--text-muted);
    margin-bottom: 2rem;
    font-size: 1.05rem;
}

.about-pillars {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-top: 2rem;
}

.pillar-tag {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    padding: 0.8rem 1.5rem;
    border-radius: 30px;
    text-align: center;
    font-family: var(--font-heading);
    font-weight: 700;
    letter-spacing: 0.05em;
    font-size: 0.85rem;
    color: var(--accent-blue);
    box-shadow: 0 2px 5px rgba(0,0,0,0.02);
    transition: var(--transition-smooth);
}

.pillar-tag:hover {
    border-color: var(--accent-blue);
    background: var(--accent-blue);
    color: #FFFFFF;
    transform: translateY(-2px);
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.stat-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    padding: 2.5rem;
    border-radius: 12px;
    text-align: center;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

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

.stat-num {
    font-family: var(--font-heading);
    font-size: clamp(3rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1;
    color: var(--accent-blue);
    margin-bottom: 0.5rem;
}

.stat-lbl {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    letter-spacing: 0.15em;
    color: var(--text-muted);
    text-transform: uppercase;
}

/* --- TECHNOLOGY CATEGORIES --- */
.tech-explorer-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.tech-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 240px;
    position: relative;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.tech-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(43, 89, 195, 0.04) 0%, transparent 60%);
    opacity: 0;
    transition: var(--transition-smooth);
    pointer-events: none;
}

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

.tech-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
}

.tech-num {
    font-family: var(--font-heading);
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--border-color-hover);
    transition: var(--transition-smooth);
}

.tech-card:hover .tech-num {
    color: var(--accent-blue);
}

.tech-name {
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--text-main);
    margin: 1.5rem 0 0.5rem 0;
}

.tech-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* --- THE NEXTGEN EXPERIENCE PILLARS --- */
.exp-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 1.25rem;
}

.exp-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    padding: 2rem 1.5rem;
    border-radius: 12px;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.exp-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 15px 35px var(--accent-cyan-glow);
    transform: translateY(-5px);
}

.exp-icon {
    font-size: 2.2rem;
    display: block;
    color: var(--accent-blue);
}

.exp-title {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-main);
}

.exp-desc {
    color: var(--text-muted);
    font-size: 0.85rem;
    line-height: 1.4;
}

/* --- TIMELINE SECTION (HACK2SKILL INSPIRED) --- */
.timeline-wrapper {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 4rem;
    box-shadow: var(--card-shadow);
    position: relative;
}

.timeline-nav {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 4rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1.5rem;
}

.timeline-btn {
    background: none;
    border: none;
    color: var(--text-muted);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    cursor: pointer;
    transition: var(--transition-fast);
    padding: 0.5rem 1.5rem;
    position: relative;
}

.timeline-btn::after {
    content: '';
    position: absolute;
    bottom: -1.6rem;
    left: 0;
    width: 100%;
    height: 3px;
    background-color: var(--accent-blue);
    transform: scaleX(0);
    transition: var(--transition-smooth);
}

.timeline-btn:hover {
    color: var(--accent-blue);
}

.timeline-btn.active {
    color: var(--accent-blue);
}

.timeline-btn.active::after {
    transform: scaleX(1);
}

.timeline-content {
    display: none;
}

.timeline-content.active {
    display: block;
    animation: fadeIn 0.5s forwards ease-out;
}

.timeline-header {
    text-align: center;
    margin-bottom: 3.5rem;
}

.timeline-theme-tag {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    color: var(--accent-blue);
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.timeline-theme-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-top: 0.5rem;
    color: var(--text-main);
}

/* HACK2SKILL TIMELINE AXIS & SLOTS (LEFT ALIGNED) */
.timeline-list {
    position: relative;
    padding-left: 60px;
}

.timeline-list::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 10px;
    bottom: 10px;
    width: 3px;
    background-color: var(--border-color);
}

/* Slot wrapper */
.timeline-slot {
    position: relative;
    margin-bottom: 3rem;
}

.timeline-slot:last-child {
    margin-bottom: 0;
}

/* Circle Node */
.timeline-node {
    position: absolute;
    left: -60px;
    top: 8px;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: #FFFFFF;
    border: 3px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1.1rem;
    z-index: 2;
    box-shadow: 0 4px 10px rgba(0,0,0,0.03);
    transition: var(--transition-smooth);
}

/* Complete / Active state highlights */
.timeline-slot.active .timeline-node {
    border-color: var(--accent-blue);
    color: var(--accent-blue);
    box-shadow: 0 0 0 6px var(--accent-blue-glow);
}

.timeline-slot.completed .timeline-node {
    border-color: var(--accent-cyan);
    color: var(--accent-cyan);
    background-color: #F0F9FF;
}

/* Progressive blue line highlight placeholder */

/* Timeline Card */
.timeline-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.timeline-card:hover {
    border-color: var(--accent-blue);
    box-shadow: var(--card-shadow-hover);
    transform: translateY(-2px);
}

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

.timeline-meta {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.timeline-time {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-blue);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.timeline-title {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
}

/* Status Badges */
.status-badge {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.35rem 0.9rem;
    border-radius: 30px;
    display: inline-block;
}

.status-badge.active {
    background-color: #FEF3C7;
    color: #D97706; /* Warm amber */
    border: 1px solid #FDE68A;
}

.status-badge.completed {
    background-color: #DCFCE7;
    color: #15803D; /* Muted Green */
    border: 1px solid #BBF7D0;
}

.status-badge.upcoming {
    background-color: #F1F5F9;
    color: #475569; /* Slate-600 */
    border: 1px solid #E2E8F0;
}

.timeline-org {
    font-size: 0.85rem;
    font-family: var(--font-heading);
    background: var(--bg-base);
    padding: 0.3rem 0.8rem;
    border-radius: 6px;
    color: var(--text-muted);
    font-weight: 600;
    display: inline-block;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.timeline-desc {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.5;
}

/* --- HACKATHONS SECTION --- */
.hacks-container {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
    align-items: flex-start;
}

.hacks-process {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    border-left: 2px dashed var(--border-color);
    padding-left: 2rem;
    margin-top: 1.5rem;
}

.process-step {
    position: relative;
}

.process-step::before {
    content: '';
    position: absolute;
    left: calc(-2rem - 6px);
    top: 6px;
    width: 10px;
    height: 10px;
    background-color: var(--accent-blue);
    border-radius: 50%;
}

.process-num {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--accent-cyan);
}

.process-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-main);
}

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

.hacks-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
}

.hack-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 280px;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

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

.hack-badge {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--accent-blue);
    border: 1px solid rgba(43, 89, 195, 0.25);
    background-color: rgba(43, 89, 195, 0.03);
    padding: 0.35rem 0.9rem;
    border-radius: 30px;
    align-self: flex-start;
    margin-bottom: 1.5rem;
}

.hack-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    color: var(--text-main);
}

.hack-statement {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    color: var(--text-muted);
    background: var(--bg-base);
    padding: 0.8rem 1rem;
    border-radius: 6px;
    border-left: 3px solid var(--accent-blue);
    margin-bottom: 1.5rem;
}

.hack-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 1.5rem;
    border-top: 1px solid var(--border-color);
    padding-top: 1.25rem;
}

.hack-info-block span {
    display: block;
}

.hack-info-lbl {
    font-size: 0.75rem;
    color: var(--text-muted-light);
    text-transform: uppercase;
}

.hack-info-val {
    font-family: var(--font-heading);
    font-size: 0.95rem;
    font-weight: 600;
}

/* --- COMPETITIONS SECTION --- */
.comps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.comp-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.comp-card:hover {
    border-color: var(--accent-cyan);
    box-shadow: 0 15px 35px var(--accent-cyan-glow);
    transform: translateY(-4px);
}

.comp-body {
    padding: 2.5rem;
}

.comp-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    display: block;
    color: var(--accent-blue);
}

.comp-title {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.comp-tagline {
    color: var(--accent-blue);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 1rem;
}

.comp-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    line-height: 1.5;
}

.comp-meta {
    border-top: 1px solid var(--border-color);
    padding: 1.25rem 0 0 0;
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 1rem;
}

.comp-meta-item span {
    display: block;
}

.comp-meta-lbl {
    font-size: 0.7rem;
    text-transform: uppercase;
    color: var(--text-muted-light);
}

.comp-meta-val {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-main);
}

.comp-footer {
    background: var(--bg-base);
    border-top: 1px solid var(--border-color);
    padding: 1.25rem 2.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.comp-status {
    font-family: var(--font-heading);
    font-size: 0.8rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--accent-cyan);
}

.comp-link {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-blue);
    display: flex;
    align-items: center;
    gap: 0.25rem;
    transition: var(--transition-fast);
}

.comp-link:hover {
    color: var(--accent-cyan);
}

/* --- WORKSHOP & WEBINAR --- */
.know-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.know-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 3rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    min-height: 320px;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

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

.know-badge {
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    background: rgba(43, 89, 195, 0.05);
    color: var(--accent-blue);
    padding: 0.4rem 1rem;
    border-radius: 6px;
    border: 1px solid rgba(43, 89, 195, 0.2);
    align-self: flex-start;
    margin-bottom: 2rem;
}

.know-title {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 1rem;
}

.know-desc {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-bottom: 2rem;
}

.know-meta {
    border-top: 1px solid var(--border-color);
    padding-top: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.know-speaker {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.speaker-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-base);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    border: 1px solid var(--border-color);
    color: var(--accent-blue);
}

.speaker-info span {
    display: block;
}

.speaker-name {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
}

.speaker-title {
    font-size: 0.75rem;
    color: var(--text-muted-light);
}

.know-dur {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-cyan);
    text-transform: uppercase;
}

/* --- EXHIBITION SECTION --- */
.exhibit-container {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--card-shadow);
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
}

.exhibit-content {
    padding: 4rem;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.exhibit-pricing {
    margin-top: 2rem;
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 1.5rem;
}

.pricing-row {
    display: flex;
    justify-content: space-between;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border-color);
}

.pricing-row:last-child {
    border-bottom: none;
    padding-bottom: 0;
}

.pricing-type {
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
}

.pricing-val {
    font-family: var(--font-heading);
    color: var(--accent-blue);
    font-weight: 700;
}

.exhibit-visual {
    position: relative;
    background-size: cover;
    background-position: center;
    min-height: 400px;
}

.exhibit-visual::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(255, 255, 255, 0.95) 0%, transparent 100%);
}

/* --- WHO SHOULD ATTEND --- */
.audience-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.aud-card {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.aud-card:hover {
    border-color: var(--accent-blue);
    transform: translateY(-3px);
    box-shadow: var(--card-shadow-hover);
}

.aud-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1.25rem;
}

.aud-icon {
    font-size: 1.8rem;
    color: var(--accent-blue);
}

.aud-title {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    text-transform: uppercase;
    color: var(--text-main);
}

.aud-desc {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.5;
}

/* --- BENGALURU SECTION --- */
.blr-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.blr-content h3 {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: var(--text-main);
}

.blr-content p {
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
}

.blr-points {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 1.5rem;
}

.blr-points li {
    position: relative;
    padding-left: 2rem;
    font-size: 1rem;
    color: var(--text-muted);
}

.blr-points li::before {
    content: '➔';
    position: absolute;
    left: 0;
    color: var(--accent-blue);
}

.blr-image {
    border-radius: 12px;
    overflow: hidden;
    border: 1px solid var(--border-color);
    position: relative;
    box-shadow: var(--card-shadow);
}

.blr-image img {
    transition: var(--transition-smooth);
}

.blr-image:hover img {
    transform: scale(1.03);
}

/* --- FINAL CTA --- */
.final-cta {
    position: relative;
    padding: 10rem 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    overflow: hidden;
    background-color: #FFFFFF;
    border-top: 1px solid var(--border-color);
}

.final-cta-glow {
    position: absolute;
    width: 60vw;
    height: 60vh;
    background: radial-gradient(circle, rgba(43, 89, 195, 0.06) 0%, transparent 70%);
    z-index: 1;
    pointer-events: none;
}

.final-cta-container {
    max-width: 820px;
    position: relative;
    z-index: 2;
}

.final-cta h2 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    line-height: 1.15;
    margin-bottom: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    text-transform: uppercase;
}

.final-cta-meta {
    font-family: var(--font-heading);
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    letter-spacing: 0.1em;
    color: var(--accent-blue);
    margin-bottom: 2.5rem;
    text-transform: uppercase;
    font-weight: 700;
}

.final-cta-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1.5rem;
}

/* --- FOOTER --- */
footer {
    border-top: 1px solid var(--border-color);
    background: #FFFFFF;
    padding: 5rem 2rem 2rem 2rem;
}

.footer-container {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr 1fr;
    gap: 4rem;
}

.footer-about h4 {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--text-main);
}

.footer-about p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 1.5rem;
    max-width: 330px;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
}

.footer-nav ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-nav ul li a {
    color: var(--text-muted);
    font-size: 0.9rem;
    font-family: var(--font-heading);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 600;
    transition: var(--transition-fast);
}

.footer-nav ul li a:hover {
    color: var(--accent-blue);
}

.footer-contact h5 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-main);
}

.footer-contact p {
    color: var(--text-muted);
    font-size: 0.95rem;
    margin-bottom: 0.5rem;
}

.footer-contact a {
    color: var(--accent-blue);
    font-weight: 600;
}

.footer-socials {
    display: flex;
    gap: 1rem;
    margin-top: 1.5rem;
}

.social-icon {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.social-icon:hover {
    background: var(--accent-blue);
    border-color: var(--accent-blue);
    color: #FFFFFF;
}

.footer-bottom {
    max-width: 1400px;
    margin: 4rem auto 0 auto;
    border-top: 1px solid var(--border-color);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: var(--text-muted-light);
}

/* --- REGISTRATION MODAL --- */
.modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 2000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.4s ease;
}

.modal.active {
    opacity: 1;
    pointer-events: all;
}

.modal-overlay {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(15, 23, 42, 0.4);
    backdrop-filter: blur(8px);
}

.modal-container {
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 16px;
    width: 90%;
    max-width: 650px;
    padding: 3rem;
    position: relative;
    z-index: 2;
    box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.25);
    transform: translateY(30px);
    transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    max-height: 90vh;
    overflow-y: auto;
}

.modal.active .modal-container {
    transform: translateY(0);
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: none;
    border: none;
    color: var(--text-muted-light);
    font-size: 1.5rem;
    cursor: pointer;
    transition: var(--transition-fast);
}

.modal-close:hover {
    color: var(--text-main);
}

.modal-title {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.modal-subtitle {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

/* --- REGISTRATION CATEGORIES --- */
.reg-category-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.reg-category-card {
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.reg-category-card:hover {
    border-color: var(--accent-blue);
    background: rgba(43, 89, 195, 0.03);
    transform: translateY(-2px);
    box-shadow: var(--card-shadow-hover);
}

.reg-category-icon {
    font-size: 1.5rem;
    color: var(--accent-blue);
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(43, 89, 195, 0.08);
    border-radius: 8px;
    flex-shrink: 0;
}

.reg-category-info h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 0.2rem;
    color: var(--text-main);
}

.reg-category-info p {
    font-size: 0.8rem;
    color: var(--text-muted);
    line-height: 1.3;
}

.modal-back-btn {
    background: none;
    border: none;
    color: var(--accent-blue);
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    margin-bottom: 1.5rem;
    padding: 0;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-fast);
}

.modal-back-btn:hover {
    color: var(--accent-cyan);
}

.category-header {
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
}

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

/* --- REGISTRATION SUBMENU --- */
.submenu-grid {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.submenu-item {
    background: var(--bg-base);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 1.25rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    transition: var(--transition-fast);
}

.submenu-item:hover {
    border-color: var(--accent-blue);
    background: rgba(43, 89, 195, 0.03);
    transform: translateX(4px);
}

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

.submenu-item-icon {
    font-size: 1.25rem;
    color: var(--accent-blue);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(43, 89, 195, 0.08);
    border-radius: 6px;
    flex-shrink: 0;
}

.submenu-item-text h4 {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 0.1rem;
}

.submenu-item-text p {
    font-size: 0.8rem;
    color: var(--text-muted);
}

.submenu-item-arrow {
    color: var(--text-muted-light);
    font-size: 0.9rem;
    transition: var(--transition-fast);
}

.submenu-item:hover .submenu-item-arrow {
    color: var(--accent-blue);
    transform: translateX(2px);
}

/* --- REGISTRATION CHOICE VIEW --- */
.choice-container {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-top: 2rem;
}

.choice-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.75rem;
    padding: 1.25rem !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
    width: 100% !important;
    box-sizing: border-box;
}

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

.form-label {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-main);
    margin-bottom: 0.5rem;
}

.form-input {
    width: 100%;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.8rem 1rem;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-input:focus {
    outline: none;
    border-color: var(--accent-blue);
    box-shadow: 0 0 0 3px var(--accent-blue-glow);
}

.form-select {
    width: 100%;
    background: #FFFFFF;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    padding: 0.8rem 1rem;
    color: var(--text-main);
    font-family: var(--font-body);
    font-size: 0.95rem;
    transition: var(--transition-fast);
}

.form-select:focus {
    outline: none;
    border-color: var(--accent-cyan);
    box-shadow: 0 0 0 3px var(--accent-cyan-glow);
}

.form-submit {
    width: 100%;
    margin-top: 1rem;
}

.form-success-message {
    text-align: center;
    padding: 2rem 0;
    display: none;
}

.form-success-icon {
    font-size: 3rem;
    color: var(--accent-cyan);
    margin-bottom: 1rem;
}

/* --- PATRONAGE & FELICITATION --- */
.patron-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    max-width: 1200px;
    margin: 0 auto;
}

.patron-card {
    background: var(--bg-surface);
    border: 1px solid var(--border-color);
    border-radius: 16px;
    padding: 2.5rem;
    display: flex;
    gap: 2rem;
    align-items: center;
    box-shadow: var(--card-shadow);
    transition: var(--transition-smooth);
}

.patron-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--card-shadow-hover);
    border-color: var(--accent-blue);
}

.patron-img-wrapper {
    flex-shrink: 0;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    overflow: hidden;
    border: 3px solid var(--accent-blue);
    box-shadow: 0 0 15px rgba(37, 99, 235, 0.15);
}

.patron-img-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.patron-content {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.patron-badge {
    align-self: flex-start;
    background: rgba(37, 99, 235, 0.08);
    color: var(--accent-blue);
    font-size: 0.75rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    border: 1px solid rgba(37, 99, 235, 0.15);
}

.patron-name {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-main);
    margin: 0;
}

.patron-title {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-muted);
}

.patron-desc {
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-muted-light);
    margin-top: 0.5rem;
}

.patron-linkedin {
    align-self: flex-start;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--accent-blue);
    text-decoration: none;
    margin-top: 0.8rem;
    transition: var(--transition-fast);
}

.patron-linkedin:hover {
    color: var(--accent-cyan);
}

.patron-linkedin i {
    font-size: 1.1rem;
}

.hero-patrons-mini {
    display: flex;
    gap: 2rem;
    margin-top: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
    align-items: center;
}

/* --- RESPONSIVE MEDIA QUERIES --- */

@keyframes zoomOut {
    0% { transform: scale(1.02); }
    100% { transform: scale(1.0); }
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Tablets & Mobile Nav */
@media (max-width: 991px) {
    .mobile-only {
        display: block !important;
    }
    header .btn-nav {
        display: none !important;
    }
    .header-container {
        padding: 1rem 1.5rem;
        position: relative;
    }
    nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(15px);
        border-bottom: 1px solid var(--border-color);
        max-height: 0;
        overflow: hidden;
        transition: var(--transition-smooth);
        display: block;
    }
    nav.active {
        max-height: 500px;
    }
    nav ul {
        display: flex;
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
    }
    .mobile-toggle {
        display: flex;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }
    
    .hero-slide {
        padding: 0 15px;
    }
    .hero-bg {
        opacity: 0.45;
    }
    .hero-overlay {
        background: linear-gradient(to bottom, rgba(255,255,255,0.7) 0%, rgba(255,255,255,0.95) 100%);
    }
    .hero-details {
        justify-content: center;
        border-left: none;
        border-top: 4px solid var(--accent-blue);
        padding-left: 0;
        padding-top: 1.5rem;
    }
    .hero-ctas {
        justify-content: center;
    }
    .hero-slider-dots {
        justify-content: center;
    }
    .hero-countdown {
        max-width: 500px;
        margin: 0 auto;
        width: 100%;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
        gap: 4rem;
    }
    .stats-grid {
        order: 2;
    }
    .about-info {
        order: 1;
    }
    
    .hacks-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .exhibit-container {
        grid-template-columns: 1fr;
    }
    .exhibit-visual {
        min-height: 300px;
    }
    
    .blr-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .patron-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    .patron-card {
        flex-direction: column;
        text-align: center;
        align-items: center;
        padding: 2rem 1.5rem;
    }
    .patron-badge {
        align-self: center;
    }
    .patron-linkedin {
        align-self: center;
    }
    .hero-patrons-mini {
        justify-content: center;
    }
}

/* Large Screens Card Collapsing */
@media (max-width: 1200px) {
    .tech-explorer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .exp-grid {
        grid-template-columns: repeat(3, 1fr);
    }
    .comps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .audience-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .know-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Mobile Devices */
@media (max-width: 600px) {
    .section-padding {
        padding: 5rem 1.25rem;
    }
    
    .tech-explorer-grid {
        grid-template-columns: 1fr;
    }
    .exp-grid {
        grid-template-columns: 1fr;
    }
    .comps-grid {
        grid-template-columns: 1fr;
    }
    .audience-grid {
        grid-template-columns: 1fr;
    }
    .hacks-grid {
        grid-template-columns: 1fr;
    }
    .know-grid {
        grid-template-columns: 1fr;
    }
    
    .hero-countdown {
        padding: 1.5rem;
    }
    .countdown-grid {
        gap: 0.75rem;
    }
    
    .timeline-wrapper {
        padding: 2rem 1.25rem;
    }
    .timeline-list {
        padding-left: 45px;
    }
    .timeline-list::before {
        left: 15px;
    }
    .timeline-node {
        left: -45px;
        width: 32px;
        height: 32px;
        font-size: 0.9rem;
    }
    
    .exhibit-content {
        padding: 2.5rem 1.5rem;
    }
    
    .modal-container {
        padding: 2rem 1.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    /* Stats and About Mobile Optimizations */
    .about-grid {
        gap: 2.5rem;
    }
    .about-info h3 {
        font-size: 1.6rem;
        line-height: 1.3;
        margin-bottom: 1rem;
    }
    .about-info p {
        font-size: 0.95rem;
        margin-bottom: 1.5rem;
    }
    .stats-grid {
        gap: 1rem;
    }
    .stat-card {
        padding: 1.5rem 0.75rem;
    }
    .stat-num {
        font-size: 2rem;
    }
    .pillar-tag {
        padding: 0.5rem 1rem;
        font-size: 0.8rem;
    }
}