/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --secondary-gradient: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --accent-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --dark-bg: #0a0a0a;
    --card-bg: rgba(255, 255, 255, 0.95);
    --text-primary: #2d3748;
    --text-secondary: #718096;
    --border-color: rgba(102, 126, 234, 0.2);
    --shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 30px 60px rgba(0, 0, 0, 0.15);
}

body {
    font-family: 'Inter', sans-serif;
    background: var(--dark-bg);
    color: var(--text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Ensure content is visible immediately on load */
.hero-content * {
    opacity: 1;
    visibility: visible;
}

/* Background Animation */
.background-animation {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: linear-gradient(135deg, #0a0a2e 0%, #16213e 25%, #1a1a3e 50%, #2d1b69 75%, #1a0b2e 100%);
    background-size: 400% 400%;
    animation: gradientShift 20s ease infinite;
    overflow: hidden;
}

.background-animation::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        /* Main network pattern */
        radial-gradient(circle at 80% 20%, rgba(0, 255, 255, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 20% 80%, rgba(255, 0, 100, 0.1) 0%, transparent 30%),
        radial-gradient(circle at 60% 60%, rgba(100, 200, 255, 0.08) 0%, transparent 40%),
        /* Network lines effect */
        linear-gradient(45deg, transparent 48%, rgba(0, 255, 255, 0.03) 49%, rgba(0, 255, 255, 0.03) 51%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, rgba(255, 0, 100, 0.03) 49%, rgba(255, 0, 100, 0.03) 51%, transparent 52%),
        linear-gradient(90deg, transparent 48%, rgba(255, 255, 255, 0.02) 49%, rgba(255, 255, 255, 0.02) 51%, transparent 52%);
    background-size: 100% 100%, 100% 100%, 100% 100%, 50px 50px, 50px 50px, 30px 30px;
    animation: networkFloat 25s ease-in-out infinite;
}

.background-animation::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        /* Glowing dots */
        radial-gradient(circle at 15% 25%, rgba(0, 255, 255, 0.6) 1px, transparent 1px),
        radial-gradient(circle at 85% 15%, rgba(255, 0, 100, 0.6) 1px, transparent 1px),
        radial-gradient(circle at 25% 75%, rgba(255, 255, 255, 0.8) 1px, transparent 1px),
        radial-gradient(circle at 75% 85%, rgba(0, 255, 255, 0.4) 1px, transparent 1px),
        radial-gradient(circle at 50% 50%, rgba(255, 0, 100, 0.3) 1px, transparent 1px),
        radial-gradient(circle at 90% 60%, rgba(255, 255, 255, 0.5) 1px, transparent 1px),
        radial-gradient(circle at 10% 90%, rgba(0, 255, 255, 0.4) 1px, transparent 1px),
        radial-gradient(circle at 60% 20%, rgba(255, 0, 100, 0.3) 1px, transparent 1px);
    background-size: 200px 200px, 180px 180px, 220px 220px, 160px 160px, 240px 240px, 200px 200px, 180px 180px, 220px 220px;
    animation: dotsFloat 30s linear infinite;
}

@keyframes networkFloat {
    0%, 100% { 
        transform: translateX(0) translateY(0) rotate(0deg) scale(1);
        opacity: 0.8;
    }
    25% { 
        transform: translateX(20px) translateY(-15px) rotate(1deg) scale(1.02);
        opacity: 1;
    }
    50% { 
        transform: translateX(-10px) translateY(10px) rotate(-0.5deg) scale(0.98);
        opacity: 0.9;
    }
    75% { 
        transform: translateX(15px) translateY(5px) rotate(0.5deg) scale(1.01);
        opacity: 0.95;
    }
}

@keyframes dotsFloat {
    0% { transform: translateX(0) translateY(0); }
    25% { transform: translateX(10px) translateY(-5px); }
    50% { transform: translateX(-5px) translateY(10px); }
    75% { transform: translateX(8px) translateY(-3px); }
    100% { transform: translateX(0) translateY(0); }
}

@keyframes gradientShift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

.particle {
    position: absolute;
    width: 4px;
    height: 4px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    box-shadow: 0 0 10px rgba(0, 255, 255, 0.5);
}

.particle::before {
    content: '';
    position: absolute;
    top: -2px;
    left: -2px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(0, 255, 255, 0.3) 0%, transparent 70%);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.5); opacity: 0.3; }
}

.particle:nth-child(1) {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
    background: rgba(0, 255, 255, 0.8);
    box-shadow: 0 0 15px rgba(0, 255, 255, 0.6);
}

.particle:nth-child(2) {
    top: 60%;
    left: 80%;
    animation-delay: 2s;
    background: rgba(255, 0, 100, 0.8);
    box-shadow: 0 0 15px rgba(255, 0, 100, 0.6);
}

.particle:nth-child(3) {
    top: 80%;
    left: 40%;
    animation-delay: 4s;
    background: rgba(255, 255, 255, 0.9);
    box-shadow: 0 0 15px rgba(255, 255, 255, 0.7);
}

.particle:nth-child(4) {
    top: 40%;
    left: 60%;
    animation-delay: 1s;
    background: rgba(100, 200, 255, 0.8);
    box-shadow: 0 0 15px rgba(100, 200, 255, 0.6);
}

.particle:nth-child(5) {
    top: 10%;
    left: 70%;
    animation-delay: 3s;
    background: rgba(255, 100, 200, 0.8);
    box-shadow: 0 0 15px rgba(255, 100, 200, 0.6);
}

.particle:nth-child(6) {
    top: 30%;
    left: 10%;
    animation-delay: 1.5s;
    background: rgba(0, 255, 255, 0.6);
    box-shadow: 0 0 12px rgba(0, 255, 255, 0.4);
}

.particle:nth-child(7) {
    top: 70%;
    left: 30%;
    animation-delay: 3.5s;
    background: rgba(255, 255, 255, 0.7);
    box-shadow: 0 0 12px rgba(255, 255, 255, 0.5);
}

.particle:nth-child(8) {
    top: 15%;
    left: 90%;
    animation-delay: 2.5s;
    background: rgba(255, 0, 100, 0.6);
    box-shadow: 0 0 12px rgba(255, 0, 100, 0.4);
}

.particle:nth-child(9) {
    top: 85%;
    left: 15%;
    animation-delay: 4.5s;
    background: rgba(100, 200, 255, 0.6);
    box-shadow: 0 0 12px rgba(100, 200, 255, 0.4);
}

.particle:nth-child(10) {
    top: 50%;
    left: 85%;
    animation-delay: 1s;
    background: rgba(255, 100, 200, 0.6);
    box-shadow: 0 0 12px rgba(255, 100, 200, 0.4);
}

@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); opacity: 0.6; }
    50% { transform: translateY(-20px) rotate(180deg); opacity: 1; }
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border-color);
    transition: all 0.3s ease;
    height: 70px; /* Fixed height for consistent spacing */
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 1.5rem;
    color: white;
}

.logo-img {
    width: 40px;
    height: 40px;
    object-fit: contain;
}

.footer-logo-img {
    width: 30px;
    height: 30px;
    object-fit: contain;
}

.nav-menu {
    display: flex;
    gap: 2rem;
}

.nav-link {
    color: white;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    position: relative;
}

.nav-link:hover {
    color: #4facfe;
    transform: translateY(-2px);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-gradient);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 0 2rem;
    position: relative;
    padding-top: 0; /* Reset any default padding */
}

.hero-content {
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-title {
    font-family: 'Orbitron', monospace;
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 1.5rem;
    color: white;
    opacity: 1;
    visibility: visible;
    animation: fadeInUp 1s ease-out;
}

#main-title {
    display: inline-block;
    animation: slideInLeft 1s ease-out;
}

#sub-title {
    display: inline-block;
    animation: slideInRight 1s ease-out 0.3s both;
}

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

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.hero-subtitle {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.6;
    opacity: 1;
    visibility: visible;
}

.hero-download {
    margin-bottom: 2rem;
    opacity: 1;
    visibility: visible;
}

.download-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: rgba(255, 255, 255, 0.2);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    border: 2px solid rgba(255, 255, 255, 0.3);
    backdrop-filter: blur(10px);
}

.download-button:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 900;
    color: white;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--accent-gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: var(--shadow);
    position: relative;
    overflow: hidden;
    opacity: 1;
    visibility: visible;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.hero-visual {
    position: relative;
    height: 400px;
}

.floating-card {
    position: absolute;
    width: 80px;
    height: 80px;
    background: var(--card-bg);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: #667eea;
    box-shadow: var(--shadow);
    animation: floatCard 4s ease-in-out infinite;
}

.floating-card:nth-child(1) {
    top: 20%;
    left: 20%;
    animation-delay: 0s;
}

.floating-card:nth-child(2) {
    top: 50%;
    right: 20%;
    animation-delay: 1.5s;
}

.floating-card:nth-child(3) {
    bottom: 20%;
    left: 50%;
    animation-delay: 3s;
}

@keyframes floatCard {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(5deg); }
}

/* Events Section */
.events {
    padding: 6rem 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    position: relative;
}

.events::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        /* Data flow patterns */
        linear-gradient(30deg, transparent 48%, rgba(0, 255, 255, 0.02) 49%, rgba(0, 255, 255, 0.02) 51%, transparent 52%),
        linear-gradient(-30deg, transparent 48%, rgba(255, 0, 100, 0.02) 49%, rgba(255, 0, 100, 0.02) 51%, transparent 52%),
        /* Circuit board patterns */
        radial-gradient(circle at 20% 30%, rgba(100, 200, 255, 0.03) 0%, transparent 20%),
        radial-gradient(circle at 80% 70%, rgba(255, 100, 200, 0.03) 0%, transparent 20%);
    background-size: 100px 100px, 120px 120px, 300px 300px, 250px 250px;
    animation: eventsBackground 35s linear infinite;
    z-index: -1;
}

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

/* Countdown Timer Styles */
.countdown-section {
    width: 100vw;
    margin-left: calc(-50vw + 50%);
    padding: 3rem 0;
    background: rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 255, 255, 0.2);
    border-bottom: 1px solid rgba(0, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.countdown-container {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    padding: 0 2rem;
}

.countdown-title {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 2rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 2rem;
    flex-wrap: nowrap;
    width: 100%;
}

.countdown-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 1.5rem 2rem;
    min-width: 120px;
    max-width: 180px;
    flex: 0 1 auto;
    border: 1px solid rgba(0, 255, 255, 0.3);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.countdown-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.countdown-item:hover::before {
    left: 100%;
}

.countdown-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 255, 255, 0.2);
    border-color: rgba(0, 255, 255, 0.5);
}

.countdown-number {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 900;
    color: white;
    display: block;
    margin-bottom: 0.5rem;
    text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
    animation: pulse 2s ease-in-out infinite;
}

.countdown-label {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.8);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.countdown-info {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
    width: 100%;
}

.event-date,
.registration-deadline {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.6rem 1rem;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: all 0.3s ease;
}

.event-date:hover,
.registration-deadline:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

.event-date i,
.registration-deadline i {
    color: #00ffff;
    font-size: 1rem;
}

.event-date span,
.registration-deadline span {
    color: white;
    font-weight: 500;
    font-size: 0.8rem;
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1);
        text-shadow: 0 0 20px rgba(0, 255, 255, 0.5);
    }
    50% { 
        transform: scale(1.05);
        text-shadow: 0 0 30px rgba(0, 255, 255, 0.8);
    }
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-title {
    font-family: 'Orbitron', monospace;
    font-size: 2.5rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 1rem;
    color: white;
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 3rem;
}

.events-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 1000px;
    margin: 0 auto;
}

.events-grid .event-card:nth-child(4),
.events-grid .event-card:nth-child(5) {
    grid-column: span 1;
}

.events-grid .event-card:nth-child(4) {
    justify-self: start;
}

.events-grid .event-card:nth-child(5) {
    justify-self: end;
}

.event-card {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--primary-gradient);
}

.event-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(0, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.event-card:hover::after {
    left: 100%;
}

.event-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

.event-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--primary-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.event-card h3 {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.event-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

.event-details {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.event-details span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.event-details i {
    color: #667eea;
}

.event-button {
    display: inline-block;
    padding: 0.8rem 2rem;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.event-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

/* About Section */
.about {
    padding: 6rem 0;
    position: relative;
    background: rgba(0, 0, 0, 0.1);
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        /* Neural network patterns */
        radial-gradient(circle at 10% 20%, rgba(0, 255, 255, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(255, 0, 100, 0.05) 0%, transparent 30%),
        radial-gradient(circle at 50% 50%, rgba(255, 255, 255, 0.03) 0%, transparent 40%),
        /* Connection lines */
        linear-gradient(60deg, transparent 48%, rgba(0, 255, 255, 0.01) 49%, rgba(0, 255, 255, 0.01) 51%, transparent 52%),
        linear-gradient(-60deg, transparent 48%, rgba(255, 0, 100, 0.01) 49%, rgba(255, 0, 100, 0.01) 51%, transparent 52%);
    background-size: 400px 400px, 350px 350px, 500px 500px, 80px 80px, 100px 100px;
    animation: aboutBackground 40s ease-in-out infinite;
    z-index: -1;
}

@keyframes aboutBackground {
    0%, 100% { 
        transform: translateX(0) translateY(0) rotate(0deg);
        opacity: 0.6;
    }
    50% { 
        transform: translateX(30px) translateY(-20px) rotate(2deg);
        opacity: 1;
    }
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
}

.about-text .section-title {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-text p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 2rem;
    line-height: 1.8;
}

/* About Image Styles */
.about-image {
    width: 100%;
    max-width: 500px;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transition: all 0.3s ease;
    border: 2px solid rgba(0, 255, 255, 0.2);
}

.about-image:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
    border-color: rgba(0, 255, 255, 0.4);
}

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.feature {
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    backdrop-filter: blur(10px);
}

.feature i {
    font-size: 2rem;
    color: #4facfe;
    margin-bottom: 1rem;
}

.feature h4 {
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: white;
}

.feature p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.about-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

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

.tech-item {
    padding: 1rem;
    background: var(--card-bg);
    border-radius: 10px;
    text-align: center;
    font-weight: 600;
    color: var(--text-primary);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.tech-item:hover {
    transform: scale(1.05);
    background: var(--primary-gradient);
    color: white;
}

/* Contact Section */
.contact {
    padding: 6rem 0;
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(20px);
    position: relative;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        /* Communication network patterns */
        radial-gradient(circle at 30% 40%, rgba(0, 255, 255, 0.04) 0%, transparent 25%),
        radial-gradient(circle at 70% 60%, rgba(255, 0, 100, 0.04) 0%, transparent 25%),
        radial-gradient(circle at 50% 20%, rgba(255, 255, 255, 0.03) 0%, transparent 30%),
        /* Signal waves */
        linear-gradient(45deg, transparent 48%, rgba(0, 255, 255, 0.02) 49%, rgba(0, 255, 255, 0.02) 51%, transparent 52%),
        linear-gradient(-45deg, transparent 48%, rgba(255, 0, 100, 0.02) 49%, rgba(255, 0, 100, 0.02) 51%, transparent 52%);
    background-size: 300px 300px, 250px 250px, 400px 400px, 60px 60px, 80px 80px;
    animation: contactBackground 30s linear infinite;
    z-index: -1;
}

@keyframes contactBackground {
    0% { transform: translateX(0) translateY(0) scale(1); }
    50% { transform: translateX(20px) translateY(-10px) scale(1.05); }
    100% { transform: translateX(0) translateY(0) scale(1); }
}

.contact-content {
    max-width: 800px;
    margin: 0 auto;
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--card-bg);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.contact-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow);
}

.contact-item i {
    font-size: 1.5rem;
    color: #667eea;
    width: 50px;
    height: 50px;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.contact-item h4 {
    font-family: 'Orbitron', monospace;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.contact-item p {
    color: var(--text-secondary);
}

/* Footer */
.footer {
    background: rgba(0, 0, 0, 0.8);
    padding: 2rem 0;
    text-align: center;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: 'Orbitron', monospace;
    font-weight: 900;
    font-size: 1.2rem;
    color: white;
}

.footer-logo i {
    font-size: 1.5rem;
    background: var(--accent-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer p {
    color: rgba(255, 255, 255, 0.7);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .events-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
    
    .events-grid .event-card:nth-child(4),
    .events-grid .event-card:nth-child(5) {
        grid-column: span 1;
        justify-self: center;
    }
}

@media (max-width: 768px) {
    /* Navigation */
    .nav-menu {
        display: none;
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    /* Hero Section */
    .hero {
        padding-top: 80px; /* Add space for fixed header */
        min-height: calc(100vh - 80px); /* Adjust min-height to account for header */
    }
    
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
        padding: 2rem 1rem;
        position: relative;
        z-index: 1;
        margin-top: 0; /* Ensure no additional margin */
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.2;
    }
    
    #main-title {
        font-size: 2.5rem;
    }
    
    #sub-title {
        font-size: 1.2rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
        margin: 1rem 0;
    }
    
    .hero-download {
        margin: 1.5rem 0;
    }
    
    .download-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .cta-button {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    /* Countdown Section */
    .countdown-section {
        padding: 2rem 0;
    }
    
    .countdown-container {
        padding: 0 1rem;
    }
    
    .countdown-title {
        font-size: 1.5rem;
        margin-bottom: 1.5rem;
    }
    
    .countdown-timer {
        gap: 0.8rem;
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .countdown-item {
        min-width: 80px;
        padding: 1rem 0.8rem;
        flex: 0 1 auto;
        max-width: 100px;
    }
    
    .countdown-number {
        font-size: 1.8rem;
    }
    
    .countdown-label {
        font-size: 0.7rem;
    }
    
    .countdown-info {
        flex-direction: column;
        gap: 1rem;
        margin-top: 1.5rem;
    }
    
    .event-date,
    .registration-deadline {
        padding: 0.8rem 1rem;
        font-size: 0.8rem;
        justify-content: center;
    }
    
    /* Events Section */
    .events {
        padding: 3rem 0;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .section-title {
        font-size: 2rem;
        margin-bottom: 1rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 2rem;
    }
    
    .events-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .events-grid .event-card:nth-child(4),
    .events-grid .event-card:nth-child(5) {
        grid-column: span 1;
        justify-self: center;
    }
    
    .event-card {
        padding: 1.5rem;
    }
    
    .event-title {
        font-size: 1.3rem;
    }
    
    .event-description {
        font-size: 0.9rem;
    }
    
    .event-details {
        flex-direction: column;
        gap: 0.5rem;
        align-items: center;
        margin: 1rem 0;
    }
    
    .participants,
    .duration {
        font-size: 0.8rem;
    }
    
    .event-button {
        padding: 0.8rem 1.5rem;
        font-size: 0.9rem;
    }
    
    /* About Section */
    .about {
        padding: 3rem 0;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }
    
    .about-text .section-title {
        text-align: center;
        font-size: 2rem;
    }
    
    .about-text p {
        font-size: 0.95rem;
        line-height: 1.6;
    }
    
    .about-image {
        max-width: 100%;
        width: 100%;
        height: auto;
    }
    
    /* Contact Section */
    .contact {
        padding: 3rem 0;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .contact-info {
        text-align: center;
    }
    
    .contact-item {
        flex-direction: column;
        text-align: center;
        gap: 0.5rem;
    }
    
    .contact-item i {
        font-size: 1.5rem;
    }
    
    .contact-item span {
        font-size: 0.9rem;
    }
    
    /* Footer */
    .footer {
        padding: 2rem 0;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1.5rem;
        text-align: center;
    }
    
    .footer-logo {
        margin-bottom: 1rem;
    }
    
    .footer-links {
        flex-direction: column;
        gap: 1rem;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 0.5rem;
        text-align: center;
    }
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    border-top: 1px solid rgba(0, 255, 255, 0.2);
    padding: 1rem;
    z-index: 999;
}

.mobile-menu.active {
    display: block;
}

.mobile-menu a {
    display: block;
    color: white;
    text-decoration: none;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    transition: color 0.3s ease;
}

.mobile-menu a:hover {
    color: #00ffff;
}

    /* Extra Small Mobile Devices */
    @media (max-width: 480px) {
        .hero {
            padding-top: 70px; /* Adjust for smaller mobile header */
            min-height: calc(100vh - 70px); /* Adjust min-height for smaller header */
        }
        
        .hero-title {
            font-size: 1.8rem;
        }
        
        #main-title {
            font-size: 2.2rem;
        }
        
        #sub-title {
            font-size: 1.1rem;
        }
    
    .hero-subtitle {
        font-size: 0.9rem;
    }
    
    .countdown-title {
        font-size: 1.3rem;
    }
    
    .countdown-item {
        min-width: 70px;
        padding: 0.8rem 0.6rem;
        max-width: 85px;
    }
    
    .countdown-number {
        font-size: 1.5rem;
    }
    
    .countdown-label {
        font-size: 0.6rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .event-card {
        padding: 1.2rem;
    }
    
    .event-title {
        font-size: 1.2rem;
    }
    
    .about-text p {
        font-size: 0.9rem;
    }
    
    .container {
        padding: 0 0.8rem;
    }
    
    .countdown-container {
        padding: 0 0.8rem;
    }
}

/* Landscape Mobile */
@media (max-width: 768px) and (orientation: landscape) {
    .hero {
        min-height: 100vh;
    }
    
    .countdown-section {
        padding: 1.5rem 0;
    }
    
    .countdown-timer {
        gap: 1rem;
    }
    
    .countdown-item {
        min-width: 90px;
        padding: 0.8rem 1rem;
    }
}

/* Registration Form Mobile Styles */
@media (max-width: 768px) {
    .registration-container {
        padding: 1rem;
    }
    
    .registration-form {
        padding: 1.5rem;
        margin: 1rem 0;
    }
    
    .form-group {
        margin-bottom: 1rem;
    }
    
    .form-group label {
        font-size: 0.9rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.8rem;
        font-size: 0.9rem;
    }
    
    .submit-button {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .registration-container {
        padding: 0.5rem;
    }
    
    .registration-form {
        padding: 1rem;
    }
    
    .form-group input,
    .form-group select,
    .form-group textarea {
        padding: 0.7rem;
        font-size: 0.85rem;
    }
}

/* Registration Form Styles */
.registration-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.registration-form {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 3rem;
    max-width: 800px;
    width: 100%;
    box-shadow: var(--shadow-hover);
    border: 1px solid var(--border-color);
}

.form-title {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 2rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.form-group input {
    padding: 0.8rem;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: rgba(255, 255, 255, 0.9);
}

.form-group input:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form-group .placeholder-text {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-top: 0.25rem;
}

.event-name {
    text-align: center;
    margin: 2rem 0;
    padding: 1rem;
    background: rgba(102, 126, 234, 0.1);
    border-radius: 10px;
    border-left: 4px solid #667eea;
}

.event-name strong {
    font-size: 1.2rem;
    color: #667eea;
}

.submit-button {
    width: 100%;
    padding: 1rem 2rem;
    background: var(--primary-gradient);
    color: white;
    border: none;
    border-radius: 50px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.submit-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}

.success-message {
    background: #10b981;
    color: white;
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    text-align: center;
}

.error-message {
    background: #ef4444;
    color: white;
    padding: 1rem;
    border-radius: 10px;
    margin-bottom: 1rem;
    text-align: center;
}

/* Admin Dashboard Styles */
.admin-container {
    min-height: 100vh;
    background: var(--dark-bg);
    padding: 2rem;
}

.admin-header {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow);
}

.admin-title {
    font-family: 'Orbitron', monospace;
    font-size: 2rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: var(--primary-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 1.5rem;
    text-align: center;
    box-shadow: var(--shadow);
}

.stat-card h3 {
    font-size: 2rem;
    font-weight: 900;
    color: #667eea;
    margin-bottom: 0.5rem;
}

.stat-card p {
    color: var(--text-secondary);
    font-weight: 600;
}

.registrations-table {
    background: var(--card-bg);
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow);
    overflow-x: auto;
}

.registrations-table table {
    width: 100%;
    border-collapse: collapse;
}

.registrations-table th,
.registrations-table td {
    padding: 1rem;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.registrations-table th {
    background: rgba(102, 126, 234, 0.1);
    font-weight: 600;
    color: var(--text-primary);
}

.registrations-table tr:hover {
    background: rgba(102, 126, 234, 0.05);
}

.back-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.8rem 1.5rem;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    margin-bottom: 2rem;
}

.back-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.3);
}