/* Hide scrollbars globally but allow scrolling */
body, html, * {
    scrollbar-width: none; /* Firefox */
    -ms-overflow-style: none;  /* IE and Edge */
}
body::-webkit-scrollbar, html::-webkit-scrollbar, *::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
}
/*
Theme Name: IEEE CIS CUSB
Theme URI: https://ieee-cis-cusb.local
Author: IEEE CIS CUSB Team
Author URI: https://ieee-cis-cusb.local
Description: Custom WordPress theme for IEEE Computational Intelligence Society - Chandigarh University Student Branch
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: http://www.gnu.org/licenses/gpl-2.0.html
Text Domain: ieee-cis-cusb
Tags: one-column, custom-menu, custom-logo, featured-images, full-width-template
*/

/* ===== CSS Variables - Dark Theme ===== */
:root {
    --background: #141414;
    --foreground: #fafafa;
    --card: #1f1f1f;
    --card-foreground: #fafafa;
    --primary: #6366f1;
    --primary-foreground: #1a1a1a;
    --secondary: #2d2d3a;
    --secondary-foreground: #fafafa;
    --muted: #404040;
    --muted-foreground: #a3a3a3;
    --accent: #818cf8;
    --accent-foreground: #1a1a1a;
    --border: #2e2e2e;
    --ring: #6366f1;
    --radius: 0.625rem;
    --primary-rgb: 99, 102, 241;
    --accent-rgb: 129, 140, 248;
}

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

html {
    scroll-behavior: smooth;
    scroll-snap-type: none;
}

body {
    scroll-behavior: smooth;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--background);
    color: var(--foreground);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

/* Smooth transitions for all animated elements */
.about-content,
.join-content,
.events-header,
.hero-content {
    will-change: transform;
    transition: transform 0.1s ease-out;
}

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

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

/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 700;
    line-height: 1.2;
}

/* ===== Utility Classes ===== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

/* ===== Navigation ===== */
.nav-wrapper {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    transition: all 0.5s ease;
    background: linear-gradient(to bottom, rgba(20, 20, 20, 0.2), transparent);
}

.nav-wrapper.scrolled {
    background: rgba(20, 20, 20, 0.8);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(99, 102, 241, 0.3);
    box-shadow: 0 10px 40px rgba(99, 102, 241, 0.1);
}

.nav-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(to right, var(--primary), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    transition: transform 0.3s ease;
}

.nav-logo:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    align-items: center;
    list-style: none;
}

.nav-menu a {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(250, 250, 250, 0.7);
    transition: color 0.3s ease;
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(to right, var(--primary), var(--accent));
    transition: width 0.3s ease;
}

.nav-menu a:hover {
    color: var(--primary);
}

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

.nav-buttons {
    display: flex;
    gap: 1rem;
    padding-left: 2rem;
    border-left: 1px solid rgba(99, 102, 241, 0.3);
}

.btn-ghost {
    padding: 0.625rem 1.25rem;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(129, 140, 248, 0.1));
    color: var(--primary);
    font-size: 0.875rem;
    font-weight: 600;
    border: 1px solid rgba(99, 102, 241, 0.2);
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}

.btn-ghost:hover {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(129, 140, 248, 0.2));
    border-color: rgba(99, 102, 241, 0.4);
    transform: scale(1.1);
}

.btn-primary {
    padding: 0.625rem 1.25rem;
    border-radius: 0.75rem;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--background);
    font-size: 0.875rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.5);
    transform: scale(1.1);
}

/* Mobile Navigation */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--foreground);
    font-size: 1.5rem;
    cursor: pointer;
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .nav-links.active {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 80px;
        left: 0;
        right: 0;
        background: rgba(20, 20, 20, 0.95);
        backdrop-filter: blur(20px);
        padding: 2rem;
        border-bottom: 1px solid var(--border);
    }
    
    .nav-links.active .nav-menu {
        flex-direction: column;
    }
    
    .nav-links.active .nav-buttons {
        flex-direction: column;
        padding-left: 0;
        padding-top: 1rem;
        border-left: none;
        border-top: 1px solid var(--border);
    }
}

/* ===== Seamless Page Flow ===== */
.site-wrapper {
    position: relative;
    background: var(--background);
}

/* Continuous flowing background for entire site */
.site-wrapper::before {
    content: none !important;
    background: none !important;
    animation: none !important;
}

@keyframes bg-flow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

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

/* Animated Background Container */
.hero-bg-animation {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    overflow: hidden;
}

/* Animated Grid */
.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(var(--primary-rgb), 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(var(--primary-rgb), 0.03) 1px, transparent 1px);
    background-size: 60px 60px;
    animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
    0% { transform: translate(0, 0); }
    100% { transform: translate(60px, 60px); }
}

/* Floating Particles */
.hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0;
    animation: particle-float 15s ease-in-out infinite;
}

.particle:nth-child(1) { left: 10%; top: 20%; animation-delay: 0s; animation-duration: 12s; }
.particle:nth-child(2) { left: 20%; top: 80%; animation-delay: 1s; animation-duration: 14s; }
.particle:nth-child(3) { left: 30%; top: 40%; animation-delay: 2s; animation-duration: 11s; }
.particle:nth-child(4) { left: 40%; top: 60%; animation-delay: 3s; animation-duration: 16s; }
.particle:nth-child(5) { left: 50%; top: 30%; animation-delay: 4s; animation-duration: 13s; }
.particle:nth-child(6) { left: 60%; top: 70%; animation-delay: 5s; animation-duration: 15s; }
.particle:nth-child(7) { left: 70%; top: 50%; animation-delay: 6s; animation-duration: 12s; }
.particle:nth-child(8) { left: 80%; top: 25%; animation-delay: 7s; animation-duration: 14s; }
.particle:nth-child(9) { left: 90%; top: 85%; animation-delay: 8s; animation-duration: 11s; }
.particle:nth-child(10) { left: 15%; top: 55%; animation-delay: 9s; animation-duration: 13s; }
.particle:nth-child(11) { left: 85%; top: 45%; animation-delay: 10s; animation-duration: 16s; }
.particle:nth-child(12) { left: 45%; top: 90%; animation-delay: 11s; animation-duration: 12s; }
.particle:nth-child(13) { left: 5%; top: 35%; animation-delay: 0.5s; animation-duration: 13s; }
.particle:nth-child(14) { left: 25%; top: 15%; animation-delay: 1.5s; animation-duration: 15s; }
.particle:nth-child(15) { left: 35%; top: 75%; animation-delay: 2.5s; animation-duration: 12s; }
.particle:nth-child(16) { left: 55%; top: 45%; animation-delay: 3.5s; animation-duration: 14s; }
.particle:nth-child(17) { left: 65%; top: 85%; animation-delay: 4.5s; animation-duration: 11s; }
.particle:nth-child(18) { left: 75%; top: 35%; animation-delay: 5.5s; animation-duration: 16s; }
.particle:nth-child(19) { left: 95%; top: 55%; animation-delay: 6.5s; animation-duration: 13s; }
.particle:nth-child(20) { left: 8%; top: 65%; animation-delay: 7.5s; animation-duration: 15s; }
.particle:nth-child(21) { left: 18%; top: 95%; animation-delay: 8.5s; animation-duration: 12s; }
.particle:nth-child(22) { left: 28%; top: 5%; animation-delay: 9.5s; animation-duration: 14s; }
.particle:nth-child(23) { left: 38%; top: 25%; animation-delay: 10.5s; animation-duration: 11s; }
.particle:nth-child(24) { left: 48%; top: 65%; animation-delay: 11.5s; animation-duration: 16s; }
.particle:nth-child(25) { left: 58%; top: 15%; animation-delay: 0.8s; animation-duration: 13s; }
.particle:nth-child(26) { left: 68%; top: 95%; animation-delay: 1.8s; animation-duration: 15s; }
.particle:nth-child(27) { left: 78%; top: 55%; animation-delay: 2.8s; animation-duration: 12s; }
.particle:nth-child(28) { left: 88%; top: 15%; animation-delay: 3.8s; animation-duration: 14s; }
.particle:nth-child(29) { left: 98%; top: 75%; animation-delay: 4.8s; animation-duration: 11s; }
.particle:nth-child(30) { left: 3%; top: 85%; animation-delay: 5.8s; animation-duration: 16s; }
.particle:nth-child(31) { left: 13%; top: 45%; animation-delay: 6.8s; animation-duration: 13s; }
.particle:nth-child(32) { left: 23%; top: 55%; animation-delay: 7.8s; animation-duration: 15s; }
.particle:nth-child(33) { left: 33%; top: 95%; animation-delay: 8.8s; animation-duration: 12s; }
.particle:nth-child(34) { left: 43%; top: 10%; animation-delay: 9.8s; animation-duration: 14s; }
.particle:nth-child(35) { left: 53%; top: 80%; animation-delay: 10.8s; animation-duration: 11s; }
.particle:nth-child(36) { left: 63%; top: 35%; animation-delay: 11.8s; animation-duration: 16s; }

/* Alternating colors for particles */
.particle:nth-child(odd) { background: var(--primary); }
.particle:nth-child(even) { background: var(--accent); }

@keyframes particle-float {
    0%, 100% {
        opacity: 0;
        transform: translateY(0) scale(1);
    }
    10% {
        opacity: 0.6;
    }
    50% {
        opacity: 0.8;
        transform: translateY(-100px) scale(1.5);
    }
    90% {
        opacity: 0.4;
    }
}

/* --- Past Events: gallery & filter styles (migrated from page inline styles) --- */
/* Filter Buttons */
.filter-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.75rem 1.5rem;
    border: 1px solid var(--border);
    border-radius: 2rem;
    background: transparent;
    color: var(--foreground);
    font-size: 0.95rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s ease;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--primary);
}

.filter-btn.active {
    background: var(--primary);
    color: var(--background);
    border-color: var(--primary);
}

/* Badge styles */
.hackathon-badge.badge-hackathon {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.hackathon-badge.badge-event {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

/* Event Date Display */
.event-date-display {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
    opacity: 0.9;
}

/* Card filtering animation */
.hackathon-card {
    transition: all 0.4s ease;
}

.hackathon-card.hidden {
    display: none;
}

.hackathon-card.fade-out {
    opacity: 0;
    transform: scale(0.9);
}

/* Gallery Modal Styles */
.gallery-modal {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
}

.gallery-modal.active {
    display: flex;
}

.gallery-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(10px);
}

.gallery-modal-content {
    position: relative;
    z-index: 1;
    max-width: 90vw;
    max-height: 90vh;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gallery-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    color: var(--foreground);
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    transition: all 0.3s ease;
}

.gallery-close:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--primary);
}

.gallery-title {
    color: var(--foreground);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    text-align: center;
}

.gallery-main {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.gallery-nav {
    background: rgba(255, 255, 255, 0.1);
    border: none;
    color: var(--foreground);
    cursor: pointer;
    padding: 1rem;
    border-radius: 50%;
    transition: all 0.3s ease;
    flex-shrink: 0;
}

.gallery-nav:hover {
    background: var(--primary);
    color: var(--background);
}

.gallery-nav:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.gallery-image-container {
    position: relative;
    max-width: 70vw;
    max-height: 60vh;
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 300px;
    min-height: 200px;
}

.gallery-image,
.gallery-video {
    max-width: 100%;
    max-height: 60vh;
    border-radius: 0.5rem;
    object-fit: contain;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.gallery-image.loaded,
.gallery-video.loaded {
    opacity: 1;
}

.gallery-video {
    background: #000;
}

.gallery-thumbnail.video-thumb {
    position: relative;
}

.gallery-thumbnail.video-thumb::after {
    content: '▶';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 1.2rem;
    text-shadow: 0 0 5px rgba(0,0,0,0.8);
}

.gallery-loader {
    position: absolute;
    color: var(--muted-foreground);
    font-size: 0.875rem;
}

.gallery-counter {
    color: var(--muted-foreground);
    font-size: 0.875rem;
    margin-top: 1rem;
}

.gallery-thumbnails {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
    overflow-x: auto;
    max-width: 80vw;
    padding: 0.5rem;
    -webkit-overflow-scrolling: touch;
}

.gallery-thumbnail {
    width: 60px;
    height: 60px;
    border-radius: 0.25rem;
    object-fit: cover;
    cursor: pointer;
    opacity: 0.5;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    flex-shrink: 0;
}

.gallery-thumbnail:hover {
    opacity: 0.8;
}

.gallery-thumbnail.active {
    opacity: 1;
    border-color: var(--primary);
}

/* Stacked Photo Card Effect */
.hackathon-card {
    cursor: pointer;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    position: relative;
    z-index: 1;
}

.hackathon-card::before,
.hackathon-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: inherit;
    z-index: -1;
    transition: all 0.3s ease;
}

.hackathon-card::before {
    transform: rotate(-2deg) translate(4px, 4px);
    opacity: 0.6;
}

.hackathon-card::after {
    transform: rotate(1.5deg) translate(8px, 8px);
    opacity: 0.3;
}

.hackathon-card:hover {
    transform: translateY(-8px) rotate(0deg);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
}

.hackathon-card:hover::before {
    transform: rotate(-4deg) translate(6px, 8px);
    opacity: 0.7;
}

.hackathon-card:hover::after {
    transform: rotate(3deg) translate(12px, 12px);
    opacity: 0.4;
}

/* Photo count indicator */
.hackathon-card .photo-count {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 0.35rem 0.7rem;
    border-radius: 1rem;
    font-size: 0.75rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 0.35rem;
    opacity: 0;
    transform: translateY(-5px);
    transition: all 0.3s ease;
    z-index: 2;
}

.hackathon-card:hover .photo-count {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 768px) {
    .gallery-main {
        flex-direction: column;
    }
    
    .gallery-nav {
        display: none;
    }
    
    .gallery-image-container {
        max-width: 90vw;
        min-width: auto;
    }
    
    .gallery-thumbnails {
        max-width: 90vw;
    }
    
    .gallery-title {
        font-size: 1.125rem;
        padding: 0 1rem;
    }
}

/* End migrated Past Events styles */

/* Wave Animation */
.hero-waves {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 200px;
    overflow: hidden;
}

.wave {
    position: absolute;
    bottom: 0;
    left: -50%;
    width: 200%;
    height: 100%;
    background: transparent;
    border-radius: 40%;
}

.wave-1 {
    background: linear-gradient(to bottom, transparent 50%, rgba(var(--primary-rgb), 0.03) 100%);
    animation: wave-animation 8s ease-in-out infinite;
}

.wave-2 {
    background: linear-gradient(to bottom, transparent 60%, rgba(var(--accent-rgb), 0.02) 100%);
    animation: wave-animation 10s ease-in-out infinite reverse;
    animation-delay: -2s;
}

.wave-3 {
    background: linear-gradient(to bottom, transparent 70%, rgba(var(--primary-rgb), 0.02) 100%);
    animation: wave-animation 12s ease-in-out infinite;
    animation-delay: -4s;
}

@keyframes wave-animation {
    0%, 100% {
        transform: translateX(0) translateY(0) rotate(0deg);
    }
    25% {
        transform: translateX(10px) translateY(-5px) rotate(1deg);
    }
    50% {
        transform: translateX(0) translateY(-10px) rotate(0deg);
    }
    75% {
        transform: translateX(-10px) translateY(-5px) rotate(-1deg);
    }
}

/* Glow Orbs */
.hero-glow-1 {
    position: absolute;
    top: 20%;
    left: 20%;
    width: 28rem;
    height: 28rem;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.25;
    background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
    animation: glow-orbit 20s ease-in-out infinite, glow-pulse 4s ease-in-out infinite;
    z-index: 2;
}

.hero-glow-2 {
    position: absolute;
    bottom: 20%;
    right: 20%;
    width: 24rem;
    height: 24rem;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.2;
    background: radial-gradient(circle, var(--accent) 0%, transparent 70%);
    animation: glow-orbit 20s ease-in-out infinite reverse, glow-pulse 4s ease-in-out infinite 1s;
    z-index: 2;
}

.hero-glow-3 {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40rem;
    height: 40rem;
    border-radius: 50%;
    filter: blur(100px);
    opacity: 0.15;
    background: radial-gradient(circle, var(--primary) 0%, var(--accent) 50%, transparent 70%);
    animation: glow-pulse 6s ease-in-out infinite 0.5s;
    z-index: 2;
}

@keyframes glow-orbit {
    0%, 100% {
        transform: translate(0, 0);
    }
    25% {
        transform: translate(30px, -20px);
    }
    50% {
        transform: translate(0, -40px);
    }
    75% {
        transform: translate(-30px, -20px);
    }
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    padding: 1.5rem;
    max-width: 64rem;
    margin: 0 auto;
}

.hero-title {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.1;
    letter-spacing: -0.02em;
    color: #6366f1; /* Fallback color */
    background: linear-gradient(to right, var(--primary), var(--accent), var(--primary));
    background-size: 200%;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    color: transparent; /* For browsers supporting background-clip */
    animation: title-load 1s ease-out forwards;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 5rem;
    }
}

.hero-tagline {
    font-size: 1rem;
    color: rgba(250, 250, 250, 0.7);
    font-weight: 300;
    letter-spacing: 0.025em;
    max-width: 42rem;
    margin: 0 auto;
    line-height: 1.7;
    animation: slide-up 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

@media (min-width: 768px) {
    .hero-tagline {
        font-size: 1.25rem;
    }
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    justify-content: center;
    margin-top: 3rem;
    animation: fade-in 1s ease-out 0.4s forwards;
    opacity: 0;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
    }
}

.hero-btn-primary {
    padding: 0.75rem 2rem;
    background: linear-gradient(to right, var(--primary), var(--accent));
    color: var(--primary-foreground);
    border-radius: 0.5rem;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.hero-btn-primary:hover {
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.4);
    transform: translateY(-8px) scale(1.05);
}

.hero-btn-secondary {
    padding: 0.75rem 2rem;
    border: 2px solid var(--primary);
    color: var(--primary);
    border-radius: 0.5rem;
    font-weight: 600;
    background: transparent;
    transition: all 0.3s ease;
    cursor: pointer;
}

.hero-btn-secondary:hover {
    background: var(--primary);
    color: var(--primary-foreground);
    box-shadow: 0 10px 30px rgba(99, 102, 241, 0.3);
    transform: scale(1.05);
}

/* ===== About Section ===== */
.about-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8rem 1.5rem;
    background: transparent;
}

/* Subtle gradient transition from hero */
.about-section::before {
    content: '';
    position: absolute;
    top: -20vh;
    left: 0;
    right: 0;
    height: 40vh;
    background: linear-gradient(to bottom, transparent, rgba(var(--primary-rgb), 0.02) 50%, transparent);
    pointer-events: none;
}

.about-content {
    position: relative;
    z-index: 10;
    max-width: 80rem;
}

.about-items {
    display: flex;
    flex-direction: column;
    gap: 6rem;
}

@media (min-width: 768px) {
    .about-items {
        gap: 8rem;
    }
}

.about-item {
    opacity: 0;
    transform: translateY(60px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.about-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.about-item h2 {
    font-size: 1.75rem;
    font-weight: 700;
    line-height: 1.5;
}

@media (min-width: 768px) {
    .about-item h2 {
        font-size: 3.2rem;
        line-height: 1.4;
    }
}

/* Line Animation Container */
.line-animate {
    display: block;
    overflow: hidden;
    margin-bottom: 0.25rem;
}

/* Individual Word Styles */
.word {
    display: inline-block;
    opacity: 0;
    transform: translateY(100%);
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
    cursor: default;
    position: relative;
    margin-right: 0.3em;
}

.about-item.visible .word {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered animation - first line */
.about-item.visible .line-animate .word:nth-child(1) { transition-delay: 0.1s; }
.about-item.visible .line-animate .word:nth-child(2) { transition-delay: 0.15s; }
.about-item.visible .line-animate .word:nth-child(3) { transition-delay: 0.2s; }
.about-item.visible .line-animate .word:nth-child(4) { transition-delay: 0.25s; }
.about-item.visible .line-animate .word:nth-child(5) { transition-delay: 0.3s; }
.about-item.visible .line-animate .word:nth-child(6) { transition-delay: 0.35s; }
.about-item.visible .line-animate .word:nth-child(7) { transition-delay: 0.4s; }

/* Second line comes in after first line */
.about-item.visible .line-2 .word:nth-child(1) { transition-delay: 0.5s; }
.about-item.visible .line-2 .word:nth-child(2) { transition-delay: 0.55s; }
.about-item.visible .line-2 .word:nth-child(3) { transition-delay: 0.6s; }
.about-item.visible .line-2 .word:nth-child(4) { transition-delay: 0.65s; }
.about-item.visible .line-2 .word:nth-child(5) { transition-delay: 0.7s; }
.about-item.visible .line-2 .word:nth-child(6) { transition-delay: 0.75s; }
.about-item.visible .line-2 .word:nth-child(7) { transition-delay: 0.8s; }

/* Hover effect on words */
.word:hover {
    transform: translateY(-8px) scale(1.05);
    color: var(--primary);
}

/* Highlight words (second line) */
.word.highlight {
    color: var(--primary);
}

.word.highlight:hover {
    color: var(--accent);
    text-shadow: 0 0 30px rgba(var(--accent-rgb), 0.6);
}

/* ===== Events Section ===== */
.events-section {
    position: relative;
    padding: 5rem 1rem;
    background: transparent;
}

/* Floating accent behind events */
.events-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80%;
    height: 60%;
    background: radial-gradient(ellipse at center, rgba(var(--primary-rgb), 0.04) 0%, transparent 70%);
    pointer-events: none;
    z-index: -1;
}

@media (min-width: 640px) {
    .events-section {
        padding: 5rem 1.5rem;
    }
}

@media (min-width: 1024px) {
    .events-section {
        padding: 5rem 2rem;
    }
}

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

.events-header h2 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

@media (min-width: 640px) {
    .events-header h2 {
        font-size: 2.25rem;
    }
}

@media (min-width: 1024px) {
    .events-header h2 {
        font-size: 3rem;
    }
}

.events-header p {
    font-size: 1.125rem;
    color: var(--muted-foreground);
}

.events-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
    justify-items: center;
}

@media (min-width: 1024px) {
    .events-grid {
        grid-template-columns: repeat(2, 1fr);
        justify-content: center;
    }
}

/* Single event centering */
.events-grid .event-card:only-child {
    max-width: 500px;
}

@media (min-width: 1024px) {
    .events-grid .event-card:only-child {
        grid-column: 1 / -1;
        justify-self: center;
    }
}

.event-card {
    background: var(--background);
    border: 1px solid rgba(99, 102, 241, 0.3);
    border-radius: 1rem;
    padding: 2rem;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.event-card:hover {
    border-color: var(--primary);
}

.event-card::before {
    content: '';
    position: absolute;
    top: -5rem;
    right: -5rem;
    width: 10rem;
    height: 10rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 50%;
    filter: blur(60px);
    transition: background 0.3s ease;
}

.event-card:hover::before {
    background: rgba(99, 102, 241, 0.1);
}

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

.event-status {
    padding: 0.25rem 0.75rem;
    background: rgba(129, 140, 248, 0.2);
    color: var(--accent);
    font-weight: 700;
    font-size: 0.75rem;
    border-radius: 9999px;
    text-transform: uppercase;
}

.event-icon {
    width: 1.25rem;
    height: 1.25rem;
    color: var(--primary);
}

.event-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.75rem;
}

.event-card > p {
    color: var(--muted-foreground);
    margin-bottom: 1.5rem;
}

.event-countdown {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0.75rem;
    margin-bottom: 2rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 0.75rem;
    padding: 1rem;
}

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

.countdown-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
}

.countdown-label {
    font-size: 0.75rem;
    color: var(--muted-foreground);
}

.event-footer {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding-top: 1rem;
    border-top: 1px solid var(--border);
}

.event-participants {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--muted-foreground);
}

.event-register-btn {
    margin-left: auto;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--primary);
    color: var(--primary-foreground);
    border-radius: 0.5rem;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
}

.event-register-btn:hover {
    background: var(--accent);
}

/* ===== Join CTA Section ===== */
.join-section {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 5rem 1.5rem;
    overflow: visible;
    background: transparent;
}

/* Glow effect for join section */
.join-section::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60vw;
    height: 60vh;
    background: radial-gradient(ellipse at center, rgba(var(--primary-rgb), 0.06) 0%, transparent 60%);
    pointer-events: none;
    z-index: 0;
    animation: join-glow 8s ease-in-out infinite;
}

@keyframes join-glow {
    0%, 100% { opacity: 0.6; transform: translate(-50%, -50%) scale(1); }
    50% { opacity: 1; transform: translate(-50%, -50%) scale(1.1); }
}

.join-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 80rem;
    margin: 0 auto;
    opacity: 0;
    transform: translateY(60px) scale(0.9);
    transition: all 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.join-content.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.join-content.visible .join-title {
    animation: join-title-reveal 1s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}

.join-content.visible .join-description {
    animation: slide-up 0.8s ease-out 0.3s forwards;
}

.join-content.visible .join-btn {
    animation: scale-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.5s forwards;
}

@keyframes join-title-reveal {
    0% {
        opacity: 0;
        transform: translateY(40px);
        letter-spacing: -0.05em;
    }
    100% {
        opacity: 1;
        transform: translateY(0);
        letter-spacing: normal;
    }
}

.join-title {
    font-size: 4rem;
    font-weight: 700;
    margin-bottom: 2rem;
    line-height: 1.1;
}

@media (min-width: 768px) {
    .join-title {
        font-size: 6rem;
    }
}

@media (min-width: 1024px) {
    .join-title {
        font-size: 8rem;
    }
}

.join-title .highlight {
    color: var(--primary);
}

.join-description {
    font-size: 1.125rem;
    color: rgba(250, 250, 250, 0.7);
    margin-bottom: 3rem;
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.7;
    animation: slide-up 0.8s ease-out 0.2s forwards;
    opacity: 0;
}

@media (min-width: 768px) {
    .join-description {
        font-size: 1.25rem;
    }
}

.join-btn {
    padding: 1rem 2.5rem;
    font-size: 1.125rem;
    font-weight: 600;
    border-radius: 0.5rem;
    background: var(--primary);
    color: var(--primary-foreground);
    border: none;
    cursor: pointer;
    transition: all 0.5s ease;
    animation: scale-in 0.8s cubic-bezier(0.34, 1.56, 0.64, 1) 0.4s forwards;
    opacity: 0;
}

@media (min-width: 768px) {
    .join-btn {
        padding: 1rem 3rem;
        font-size: 1.25rem;
    }
}

.join-btn:hover {
    box-shadow: 0 25px 50px rgba(99, 102, 241, 0.3);
    transform: translateY(-4px);
}

/* ===== Footer ===== */
.site-footer {
    position: relative;
    background: transparent !important;
    border-top: none !important;
    box-shadow: none !important;
    padding: 0 !important;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    background: transparent !important;
    box-shadow: none !important;
    border: none !important;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    margin-bottom: 6rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .footer-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.footer-brand h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1rem;
    transition: transform 0.3s ease;
}

.footer-brand h3:hover {
    transform: scale(1.05);
}

.footer-brand p {
    color: rgba(250, 250, 250, 0.6);
    line-height: 1.7;
}

.footer-links h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(250, 250, 250, 0.6);
    transition: all 0.5s ease;
    display: inline-block;
}

.footer-links a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.footer-social h4 {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

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

.social-icon {
    padding: 0.75rem;
    border-radius: 50%;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    transition: all 0.5s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.social-icon:hover {
    background: rgba(99, 102, 241, 0.2);
    color: var(--accent);
    transform: scale(1.1);
}

.social-icon svg {
    width: 1.25rem;
    height: 1.25rem;
}

.footer-divider {
    display: none !important;
    margin: 0 !important;
    background: transparent !important;
    border: none !important;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

@media (min-width: 640px) {
    .footer-bottom {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

.footer-copyright {
    color: rgba(250, 250, 250, 0.5);
    font-size: 0.875rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    transition: color 0.5s ease;
}

.footer-copyright:hover {
    color: rgba(250, 250, 250, 0.7);
}

.footer-copyright .heart {
    color: var(--accent);
    animation: pulse 2s infinite;
}

.footer-legal {
    display: flex;
    gap: 2rem;
    font-size: 0.875rem;
}

.footer-legal a {
    color: rgba(250, 250, 250, 0.5);
    transition: color 0.5s ease;
}

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

.footer-branding {
    text-align: center;
    padding-top: 0 !important;
    background: transparent !important;
    border: none !important;
}

.footer-branding p {
    font-size: 0.75rem;
    color: rgba(250, 250, 250, 0.4);
    margin-bottom: 0.5rem;
}

/* ===== Page Templates ===== */
.page-header {
    padding-top: 8rem;
    padding-bottom: 5rem;
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 1rem;
    animation: fade-in 1s ease-out forwards;
}

@media (min-width: 768px) {
    .page-header h1 {
        font-size: 4.5rem;
    }
}

.page-header .highlight {
    background: linear-gradient(to right, var(--primary), var(--accent), var(--primary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.page-header p {
    color: rgba(250, 250, 250, 0.6);
    font-size: 1.125rem;
    max-width: 42rem;
    margin: 1.5rem auto 0;
    animation: fade-in 1s ease-out forwards;
}

@media (min-width: 768px) {
    .page-header p {
        font-size: 1.25rem;
    }
}

/* ===== Team Page ===== */
.team-section {
    padding: 5rem 1.5rem;
}

.team-section h2 {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 4rem;
    text-align: center;
}

.team-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .team-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 1024px) {
    .team-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.team-card {
    opacity: 0;
    transform: translateY(2rem);
    transition: all 0.7s ease;
}

.team-card.visible {
    opacity: 1;
    transform: translateY(0);
}

.team-avatar {
    width: 100%;
    aspect-ratio: 1;
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.2), rgba(129, 140, 248, 0.2));
    border-radius: 0.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.team-card:hover .team-avatar {
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.3), rgba(129, 140, 248, 0.3));
}

.team-avatar .emoji {
    font-size: 3.75rem;
    color: rgba(99, 102, 241, 0.4);
}

.team-info h3 {
    font-size: 1.25rem;
    font-weight: 700;
}

.team-info .role {
    color: var(--primary);
    font-weight: 600;
}

.team-info .bio {
    color: rgba(250, 250, 250, 0.6);
    font-size: 0.875rem;
    margin-top: 0.5rem;
}

.team-social {
    display: flex;
    gap: 0.75rem;
    padding-top: 0.5rem;
    margin-top: 1rem;
}

.team-social a {
    padding: 0.5rem;
    border-radius: 0.5rem;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    transition: all 0.3s ease;
}

.team-social a:hover {
    background: rgba(99, 102, 241, 0.2);
}

/* ===== Events Pages ===== */
.hackathons-section {
    padding: 5rem 1.5rem;
}

.hackathons-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

@media (min-width: 768px) {
    .hackathons-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.hackathon-card {
    padding: 2rem;
    border-radius: 0.5rem;
    border: 1px solid rgba(99, 102, 241, 0.2);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.05), rgba(129, 140, 248, 0.05));
    transition: opacity 0.4s cubic-bezier(0.22, 1, 0.36, 1), 
                transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
                border-color 0.3s ease,
                background 0.3s ease;
    cursor: pointer;
    opacity: 0;
    transform: translateY(40px) scale(0.95);
    will-change: opacity, transform;
}

.hackathon-card.visible {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.hackathon-card:hover {
    border-color: rgba(99, 102, 241, 0.4);
    background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(129, 140, 248, 0.1));
    transform: scale(1.05);
}

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

.hackathon-header h3 {
    font-size: 1.25rem;
    font-weight: 700;
    line-height: 1.3;
    flex: 1;
}

.hackathon-badge {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    background: var(--primary);
    color: var(--background);
    font-size: 0.75rem;
    font-weight: 600;
    margin-left: 0.5rem;
    white-space: nowrap;
}

.hackathon-badge.registering {
    background: var(--accent);
}

.hackathon-badge.upcoming {
    background: rgba(99, 102, 241, 0.6);
}

.hackathon-badge.ongoing {
    background: linear-gradient(135deg, #ef4444, #dc2626);
    animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 5px rgba(239, 68, 68, 0.5);
    }
    50% {
        box-shadow: 0 0 20px rgba(239, 68, 68, 0.8);
    }
}

.hackathon-description {
    color: rgba(250, 250, 250, 0.6);
    font-size: 0.875rem;
    margin-bottom: 1.5rem;
}

.hackathon-meta {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.hackathon-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
}

.hackathon-meta-item .icon {
    color: var(--primary);
    font-weight: 600;
}

.hackathon-meta-item span {
    color: rgba(250, 250, 250, 0.8);
}

.hackathon-highlights {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin-top: 1rem;
}

.highlight-tag {
    padding: 0.25rem 0.75rem;
    border-radius: 9999px;
    background: rgba(99, 102, 241, 0.1);
    color: var(--primary);
    font-size: 0.75rem;
    font-weight: 500;
}

.hackathon-action {
    padding-top: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.875rem;
    transition: gap 0.3s ease;
}

.hackathon-card:hover .hackathon-action {
    gap: 0.75rem;
}

.register-btn {
    width: 100%;
    margin-top: 1.5rem;
    padding: 0.5rem 1rem;
    border-radius: 0.5rem;
    background: var(--primary);
    color: var(--background);
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background 0.3s ease;
}

.register-btn:hover {
    background: rgba(99, 102, 241, 0.8);
}

/* ===== Global Background Effect ===== */
.global-background {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
    transition: background 0.5s ease-out;
    background: none !important;
}

/* ===== Continuous Floating Particles (Global) ===== */
.global-particles {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
    overflow: hidden;
    background: none !important;
}

.global-particle {
    position: absolute;
    width: 5px;
    height: 5px;
    background: var(--primary);
    border-radius: 50%;
    opacity: 0;
    animation: global-float 20s ease-in-out infinite;
    box-shadow: 0 0 10px var(--primary), 0 0 20px var(--primary);
}

.global-particle:nth-child(odd) {
    background: var(--accent);
    box-shadow: 0 0 10px var(--accent), 0 0 20px var(--accent);
}

.global-particle:nth-child(1) { left: 5%; animation-delay: -20s; }
.global-particle:nth-child(2) { left: 15%; animation-delay: -18s; }
.global-particle:nth-child(3) { left: 25%; animation-delay: -16s; }
.global-particle:nth-child(4) { left: 35%; animation-delay: -14s; }
.global-particle:nth-child(5) { left: 45%; animation-delay: -12s; }
.global-particle:nth-child(6) { left: 55%; animation-delay: -10s; }
.global-particle:nth-child(7) { left: 65%; animation-delay: -8s; }
.global-particle:nth-child(8) { left: 75%; animation-delay: -6s; }
.global-particle:nth-child(9) { left: 85%; animation-delay: -4s; }
.global-particle:nth-child(10) { left: 95%; animation-delay: -2s; }
.global-particle:nth-child(11) { left: 10%; animation-delay: -22s; }
.global-particle:nth-child(12) { left: 30%; animation-delay: -17s; }
.global-particle:nth-child(13) { left: 50%; animation-delay: -11s; }
.global-particle:nth-child(14) { left: 70%; animation-delay: -5s; }
.global-particle:nth-child(15) { left: 90%; animation-delay: -1s; }

@keyframes global-float {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    5% {
        opacity: 0.7;
        transform: translateY(85vh) scale(1);
    }
    95% {
        opacity: 0.6;
        transform: translateY(-20vh) scale(0.8);
    }
    100% {
        transform: translateY(-30vh) scale(0);
        opacity: 0;
    }
}

/* ===== Smooth Section Transitions ===== */
section {
    position: relative;
}

/* Remove hard edges between sections */
.section-fade {
    position: absolute;
    bottom: -5rem;
    left: 0;
    right: 0;
    height: 10rem;
    background: linear-gradient(to bottom, transparent, rgba(var(--background-rgb), 0.5));
    pointer-events: none;
    z-index: 5;
}

/* Parallax-style depth layers */
.parallax-layer {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    z-index: 0;
}

.parallax-layer.depth-1 {
    transform: translateZ(-1px) scale(2);
}

.parallax-layer.depth-2 {
    transform: translateZ(-2px) scale(3);
}

/* ===== Animations ===== */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
        filter: blur(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
        filter: blur(0);
    }
}

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

@keyframes scale-in {
    from {
        opacity: 0;
        transform: scale(0.92);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-30px);
    }
}

@keyframes glow-pulse {
    0%, 100% {
        box-shadow: 0 0 20px rgba(99, 102, 241, 0.15);
    }
    50% {
        box-shadow: 0 0 40px rgba(99, 102, 241, 0.25);
    }
}

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

@keyframes pulse {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ===== WordPress Specific ===== */
.wp-block-image img {
    max-width: 100%;
    height: auto;
}

.aligncenter {
    display: block;
    margin-left: auto;
    margin-right: auto;
}

.alignleft {
    float: left;
    margin-right: 1.5rem;
}

.alignright {
    float: right;
    margin-left: 1.5rem;
}

/* Screen reader text */
.screen-reader-text {
    clip: rect(1px, 1px, 1px, 1px);
    position: absolute !important;
    height: 1px;
    width: 1px;
    overflow: hidden;
}

/* ===== Past Events: Filters & Gallery (restored) ===== */
.filter-buttons {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.filter-btn {
    padding: 0.45rem 0.8rem;
    border-radius: 0.5rem;
    background: transparent;
    color: var(--foreground);
    border: 1px solid rgba(255,255,255,0.06);
    cursor: pointer;
    font-weight: 600;
    transition: all 0.2s ease;
}

.filter-btn:hover {
    background: rgba(255, 255, 255, 0.025);
    border-color: rgba(var(--primary-rgb), 0.15);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    color: var(--primary-foreground);
    border-color: rgba(var(--primary-rgb), 0.35);
}

.hackathon-badge.badge-hackathon {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.hackathon-badge.badge-event {
    background: linear-gradient(135deg, #3b82f6, #1d4ed8);
}

.event-date-display {
    font-size: 0.85rem;
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 0.75rem;
    opacity: 0.95;
}

.hackathon-card {
    transition: all 0.35s ease;
}

.hackathon-card.hidden { display: none; }
.hackathon-card.fade-out { opacity: 0; transform: scale(0.98); }

/* Gallery Modal Styles */
.gallery-modal {
    position: fixed;
    inset: 0;
    z-index: 9999;
    display: none;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.gallery-modal.active { display: flex; }

.gallery-modal-overlay {
    position: absolute; inset: 0; background: rgba(0,0,0,0.85); backdrop-filter: blur(8px);
}

.gallery-modal-content {
    position: relative;
    z-index: 2;
    width: min(1100px, 95vw);
    max-height: 90vh;
    background: linear-gradient(180deg, rgba(20,20,20,0.95), rgba(12,12,12,0.95));
    border-radius: 0.75rem;
    padding: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.gallery-close { position: absolute; top: 0.6rem; right: 0.6rem; background: transparent; border: none; color: var(--foreground); cursor: pointer; padding: 0.4rem; border-radius: 6px; }
.gallery-close svg { width: 20px; height: 20px; }

.gallery-title { color: var(--foreground); font-size: 1.1rem; margin-bottom: 0.6rem; text-align: center; }

.gallery-main { display: flex; align-items: center; gap: 1rem; width: 100%; }
.gallery-nav { background: rgba(255,255,255,0.06); border: none; color: var(--foreground); cursor: pointer; padding: 0.6rem; border-radius: 8px; }
.gallery-nav[disabled] { opacity: 0.35; cursor: not-allowed; }

.gallery-image-container { position: relative; flex: 1 1 auto; display:flex; align-items:center; justify-content:center; min-width: 260px; min-height: 200px; }
.gallery-image, .gallery-video { max-width: 100%; max-height: 60vh; border-radius: 0.5rem; object-fit: contain; opacity: 0; transition: opacity 0.25s ease; background: #000; }
.gallery-image.loaded, .gallery-video.loaded { opacity: 1; }
.gallery-loader { position: absolute; color: var(--muted-foreground); font-size: 0.95rem; }

.gallery-counter { color: var(--muted-foreground); font-size: 0.9rem; margin-top: 0.6rem; }
.gallery-thumbnails { display:flex; gap:0.5rem; margin-top:0.6rem; overflow-x:auto; padding:0.5rem; width:100%; }
.gallery-thumbnail { width:56px; height:56px; border-radius:6px; object-fit:cover; cursor:pointer; opacity:0.6; border:2px solid transparent; flex-shrink:0; }
.gallery-thumbnail.active { opacity:1; border-color: var(--primary); }

/* stacked card visuals */
.hackathon-card { position: relative; }
.hackathon-card::before, .hackathon-card::after { content:''; position:absolute; inset:0; border-radius:inherit; z-index:-1; background: var(--card); border:1px solid var(--border); }
.hackathon-card::before { transform: rotate(-2deg) translate(4px,4px); opacity:0.6; }
.hackathon-card::after { transform: rotate(1.5deg) translate(8px,8px); opacity:0.3; }

.hackathon-card .photo-count { position:absolute; top:1rem; right:1rem; background:rgba(0,0,0,0.6); color:#fff; padding:0.25rem 0.6rem; border-radius:999px; font-size:0.75rem; opacity:0; transform:translateY(-6px); transition:all 0.25s ease; }
.hackathon-card:hover .photo-count { opacity:1; transform:none; }

@media (max-width: 768px) {
    .gallery-main { flex-direction: column; }
    .gallery-nav { display: none; }
    .gallery-image-container { max-width: 90vw; }
    .gallery-thumbnails { max-width: 90vw; }
}