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

:root {
    --primary-blue: #00d4ff;
    --neon-blue: #0099ff;
    --dark-blue: #001122;
    --darker-blue: #000811;
    --accent-cyan: #00ffff;
    --text-white: #ffffff;
    --text-gray: #b0c4de;
    --gradient-primary: linear-gradient(135deg, #00d4ff 0%, #0099ff 100%);
    --gradient-dark: linear-gradient(135deg, #001122 0%, #000811 100%);
    --shadow-neon: 0 0 20px rgba(0, 212, 255, 0.3);
    --shadow-glow: 0 0 40px rgba(0, 212, 255, 0.5);
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(0, 8, 17, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    border-bottom: 1px solid rgba(0, 212, 255, 0.2);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-text {
    font-family: 'Orbitron', monospace;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-blue);
    text-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

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

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

.nav-link:hover {
    color: var(--primary-blue);
    text-shadow: 0 0 5px rgba(0, 212, 255, 0.5);
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--gradient-dark);
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.grid-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.1) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.1) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: gridMove 20s linear infinite;
}

@keyframes gridMove {
    0% { transform: translate(0, 0); }
    100% { transform: translate(50px, 50px); }
}

.floating-particles {
    position: absolute;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 20% 30%, rgba(0, 212, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 80% 70%, rgba(0, 153, 255, 0.1) 0%, transparent 50%),
                radial-gradient(circle at 40% 80%, rgba(0, 255, 255, 0.1) 0%, transparent 50%);
    animation: float 15s ease-in-out infinite;
}

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

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 800px;
    padding: 0 20px;
}

.hero-title {
    font-family: 'Orbitron', monospace;
    margin-bottom: 2rem;
}

.title-line {
    display: block;
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
    margin-bottom: 0.5rem;
    animation: titleGlow 3s ease-in-out infinite alternate;
}

.title-subtitle {
    display: block;
    font-size: clamp(1.2rem, 3vw, 1.8rem);
    font-weight: 400;
    color: var(--accent-cyan);
    text-shadow: 0 0 15px rgba(0, 255, 255, 0.5);
}

@keyframes titleGlow {
    0% { text-shadow: 0 0 30px rgba(0, 212, 255, 0.5); }
    100% { text-shadow: 0 0 50px rgba(0, 212, 255, 0.8), 0 0 70px rgba(0, 212, 255, 0.4); }
}

.hero-details {
    margin: 3rem 0;
}

.prize-highlight {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--primary-blue);
    margin-bottom: 2rem;
    padding: 1rem 2rem;
    border: 2px solid var(--primary-blue);
    border-radius: 50px;
    background: rgba(0, 212, 255, 0.1);
    box-shadow: var(--shadow-neon);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { box-shadow: var(--shadow-neon); }
    50% { box-shadow: var(--shadow-glow); }
}

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

.info-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(0, 18, 34, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.info-item:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.3);
    transform: translateY(-2px);
}

.info-item i {
    color: var(--primary-blue);
    font-size: 1.2rem;
}

/* Register Button */
.register-btn {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    padding: 1.2rem 3rem;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-white);
    background: var(--gradient-primary);
    border: none;
    border-radius: 50px;
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
    box-shadow: var(--shadow-neon);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.register-btn::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;
}

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

.register-btn:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-glow);
}

.register-btn i {
    font-size: 1.1rem;
    animation: rocket 2s ease-in-out infinite;
}

@keyframes rocket {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-3px); }
}

/* Section Styles */
section {
    padding: 5rem 0;
}

.section-title {
    font-family: 'Orbitron', monospace;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* About Section */
.about {
    background: rgba(0, 18, 34, 0.5);
}

.about-text {
    font-size: 1.1rem;
    color: var(--text-gray);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 3rem;
    line-height: 1.8;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 8, 17, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.feature:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
    transform: translateY(-5px);
}

.feature i {
    font-size: 3rem;
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

.feature h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.feature p {
    color: var(--text-gray);
}

/* How It Works Section */
.steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.step {
    text-align: center;
    padding: 2rem 1rem;
    position: relative;
}

.step-icon {
    position: relative;
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-neon);
}

.step-icon i {
    font-size: 2rem;
    color: var(--text-white);
}

.step-number {
    position: absolute;
    top: -10px;
    right: -10px;
    width: 30px;
    height: 30px;
    background: var(--accent-cyan);
    color: var(--darker-blue);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.9rem;
}

.step h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.step p {
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* Prizes Section */
.prizes {
    background: rgba(0, 18, 34, 0.5);
}

.prizes-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.prize-card {
    text-align: center;
    padding: 2.5rem 2rem;
    background: rgba(0, 8, 17, 0.8);
    border: 2px solid rgba(0, 212, 255, 0.3);
    border-radius: 20px;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.prize-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(45deg, transparent 30%, rgba(0, 212, 255, 0.1) 50%, transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.prize-card:hover::before {
    transform: translateX(100%);
}

.prize-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.3);
    transform: translateY(-10px);
}

.first-place {
    border-color: #ffd700;
}

.first-place:hover {
    border-color: #ffd700;
    box-shadow: 0 0 30px rgba(255, 215, 0, 0.3);
}

.prize-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-neon);
}

.first-place .prize-icon {
    background: linear-gradient(135deg, #ffd700 0%, #ffed4e 100%);
}

.prize-icon i {
    font-size: 2rem;
    color: var(--text-white);
}

.first-place .prize-icon i {
    color: var(--darker-blue);
}

.prize-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: var(--text-white);
}

.prize-item {
    padding: 0.8rem 1rem;
    margin: 0.5rem 0;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 10px;
    font-size: 1.1rem;
}

/* Judging Criteria Section */
.criteria-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.criteria-card {
    text-align: center;
    padding: 2rem;
    background: rgba(0, 8, 17, 0.8);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 15px;
    transition: all 0.3s ease;
    position: relative;
}

.criteria-card:hover {
    border-color: var(--primary-blue);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
    transform: translateY(-5px);
}

.criteria-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-neon);
}

.criteria-icon i {
    font-size: 1.8rem;
    color: var(--text-white);
}

.criteria-card h3 {
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--text-white);
}

.criteria-card p {
    color: var(--text-gray);
    margin-bottom: 1rem;
}

.criteria-weight {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--accent-cyan);
    background: rgba(0, 255, 255, 0.1);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    display: inline-block;
}

/* Footer */
.footer {
    background: var(--darker-blue);
    border-top: 1px solid rgba(0, 212, 255, 0.3);
    padding: 3rem 0 1rem;
}

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

.footer-section h3,
.footer-section h4 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
    font-family: 'Orbitron', monospace;
}

.footer-section p,
.footer-section li {
    color: var(--text-gray);
    margin-bottom: 0.5rem;
}

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

.footer-section a {
    color: var(--text-gray);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--primary-blue);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    width: 40px;
    height: 40px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid rgba(0, 212, 255, 0.3);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--primary-blue);
    border-color: var(--primary-blue);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
    transform: translateY(-2px);
}

.social-link i {
    color: var(--primary-blue);
    transition: color 0.3s ease;
}

.social-link:hover i {
    color: var(--text-white);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.2);
    color: var(--text-gray);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        display: none;
    }
    
    .hero-content {
        padding: 0 15px;
    }
    
    .event-info {
        grid-template-columns: 1fr;
    }
    
    .register-btn {
        padding: 1rem 2rem;
        font-size: 1rem;
    }
    
    .steps {
        grid-template-columns: 1fr;
    }
    
    .prizes-grid {
        grid-template-columns: 1fr;
    }
    
    .criteria-grid {
        grid-template-columns: 1fr;
    }
    
    .about-features {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    section {
        padding: 3rem 0;
    }
    
    .prize-highlight {
        flex-direction: column;
        gap: 0.5rem;
        font-size: 1.2rem;
        padding: 1rem;
    }
    
    .info-item {
        flex-direction: column;
        text-align: center;
        gap: 0.3rem;
    }
}