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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #06b6d4;
    --text-primary: #f1f5f9;
    --text-secondary: #cbd5e1;
    --text-light: #94a3b8;
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --bg-dark: #020617;
    --border-color: #334155;
    --shadow-light: 0 1px 3px rgba(0, 0, 0, 0.3);
    --shadow-medium: 0 4px 6px -1px rgba(0, 0, 0, 0.3);
    --shadow-heavy: 0 20px 25px -5px rgba(0, 0, 0, 0.3);
    --gradient-primary: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --gradient-secondary: linear-gradient(135deg, #06b6d4 0%, #3b82f6 100%);
    --neuromorphic-shadow: 8px 8px 16px rgba(0, 0, 0, 0.4), -8px -8px 16px rgba(255, 255, 255, 0.05);
    --neuromorphic-inset: inset 4px 4px 8px rgba(0, 0, 0, 0.4), inset -4px -4px 8px rgba(255, 255, 255, 0.05);
}

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

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

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: rgba(15, 23, 42, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    padding: 1rem 0;
    box-shadow: var(--shadow-light);
}

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

.nav-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-logo i {
    font-size: 1.8rem;
}

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

.nav-menu a {
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    transition: color 0.3s ease;
}

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

.apply-btn {
    background: var(--gradient-primary);
    color: white !important;
    padding: 0.5rem 1.5rem;
    border-radius: 25px;
    box-shadow: var(--shadow-medium);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.apply-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--text-primary);
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="%23334155" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.btn {
    padding: 0.75rem 2rem;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    display: inline-block;
    text-align: center;
}

.btn-primary {
    background: var(--gradient-primary);
    color: white;
    box-shadow: var(--shadow-medium);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-heavy);
}

.btn-secondary {
    background: var(--bg-secondary);
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    box-shadow: var(--shadow-light);
}

.btn-secondary:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Neuromorphic Logo Animation */
.hero-visual {
    display: flex;
    justify-content: center;
    align-items: center;
}

.neuromorphic-logo {
    position: relative;
    width: 400px;
    height: 400px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.logo-container {
    position: relative;
    width: 300px;
    height: 300px;
    border-radius: 50%;
    background: var(--bg-secondary);
    box-shadow: var(--neuromorphic-shadow);
    display: flex;
    justify-content: center;
    align-items: center;
    animation: logoFloat 6s ease-in-out infinite;
    overflow: hidden;
}

/* SVG Brain Logo */
.brain-logo {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.brain-logo svg {
    filter: drop-shadow(8px 8px 16px rgba(0, 0, 0, 0.4)) drop-shadow(-8px -8px 16px rgba(255, 255, 255, 0.05));
    animation: logoFloat 6s ease-in-out infinite;
}

@keyframes logoFloat {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-10px); }
}



@keyframes circuitFlow {
    0% { opacity: 0.3; }
    50% { opacity: 1; }
    100% { opacity: 0.3; }
}

@keyframes nodeGlow {
    0%, 100% { box-shadow: 0 0 12px var(--accent-color); }
    50% { box-shadow: 0 0 20px var(--accent-color), 0 0 30px var(--accent-color); }
}

@keyframes neuralPulse {
    0%, 100% { opacity: 0.3; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.8); }
}

@keyframes coreProcess {
    0%, 100% { transform: scale(1); opacity: 0.7; }
    50% { transform: scale(1.1); opacity: 1; }
}

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

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

.section-header h2 {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-header p {
    font-size: 1.25rem;
    color: var(--text-secondary);
}

/* About Section */
.about {
    background: var(--bg-secondary);
}

.about-content {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.about-text p {
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.7;
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2rem;
}

.stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.stat-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.neuromorphic-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--neuromorphic-shadow);
    text-align: center;
    transition: transform 0.3s ease;
}

.neuromorphic-card:hover {
    transform: translateY(-5px);
}

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

.neuromorphic-card h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.neuromorphic-card p {
    color: var(--text-secondary);
}

/* Hackathon Section */
.hackathon-info {
    max-width: 600px;
    margin: 0 auto;
}

.hackathon-info ul {
    list-style: disc;
    padding-left: 2rem;
}

.hackathon-info li {
    font-size: 1.1rem;
    line-height: 1.6;
    margin-bottom: 1rem;
    color: var(--text-secondary);
}

.hackathon-info li strong {
    color: var(--text-primary);
}

/* Partners Section */
.partners {
    background: var(--bg-secondary);
}

.partners-list {
    max-width: 800px;
    margin: 0 auto;
}

.partners-category {
    margin-bottom: 3rem;
}

.partners-category h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    color: var(--text-primary);
    text-align: center;
}

.partners-category ul {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 2rem;
}

.partners-category li {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--text-secondary);
    padding: 0.75rem 1.5rem;
    background: var(--bg-secondary);
    border-radius: 25px;
    box-shadow: var(--shadow-light);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.partners-category li:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-medium);
}

.partners-category li i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

/* Application Section */
.apply-content {
    max-width: 800px;
    margin: 0 auto;
}

.apply-info h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.apply-info ul {
    list-style: none;
    margin-bottom: 2rem;
}

.apply-info li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    position: relative;
    padding-left: 1.5rem;
}

.apply-info li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary-color);
    font-weight: bold;
}

.deadline {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-light);
    margin-bottom: 2rem;
}

.deadline i {
    font-size: 2rem;
    color: var(--accent-color);
}

.deadline h4 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.25rem;
}

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

.apply-cta {
    text-align: center;
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: var(--neuromorphic-shadow);
}

.apply-cta p {
    font-size: 1.25rem;
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.apply-cta .btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.1rem;
    padding: 1rem 2rem;
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--text-primary);
    padding: 3rem 0 1rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.footer-logo i {
    color: var(--primary-color);
}

.footer-section h4 {
    margin-bottom: 1rem;
    font-weight: 600;
}

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

.footer-section i {
    margin-right: 0.5rem;
    color: var(--primary-color);
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    transition: transform 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-2px);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        display: none;
    }
    
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
    }
    
    .partners-category ul {
        flex-direction: column;
        align-items: center;
    }
    
    .partners-category li {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    

    
    .stats {
        justify-content: center;
    }
    
    .hero-buttons {
        justify-content: center;
    }
    
    .neuromorphic-logo {
        width: 300px;
        height: 300px;
    }
    
    .logo-container {
        width: 250px;
        height: 250px;
    }
    
    .brain-logo svg {
        width: 150px;
        height: 150px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-header h2 {
        font-size: 2rem;
    }
    
    .stats {
        flex-direction: column;
        gap: 1rem;
    }
}