/* ===================================
   UTKRAANTI - Premium Dark Theme
   Modern, Professional, Elegant Design
   =================================== */

/* Root Variables */
:root {
    /* Colors */
    --bg-primary: #0B0F19;
    --bg-secondary: #1A1F2E;
    --bg-tertiary: #252B3B;
    
    --primary: #6366F1;
    --primary-dark: #4F46E5;
    --primary-light: #818CF8;
    
    --secondary: #8B5CF6;
    --accent: #06B6D4;
    --success: #10B981;
    --warning: #F59E0B;
    
    --text-primary: #F9FAFB;
    --text-secondary: #E5E7EB;
    --text-muted: #9CA3AF;
    
    --glass-bg: rgba(255, 255, 255, 0.05);
    --glass-border: rgba(255, 255, 255, 0.1);
    
    /* Typography */
    --font-primary: 'Inter', sans-serif;
    --font-display: 'Space Grotesk', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-medium: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --glow-primary: 0 0 30px rgba(99, 102, 241, 0.3);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

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

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.2;
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(2rem, 4vw, 3rem); }
h3 { font-size: clamp(1.5rem, 3vw, 2rem); }
h4 { font-size: clamp(1.25rem, 2.5vw, 1.5rem); }

p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    line-height: 1.7;
}

a {
    color: inherit;
    text-decoration: none;
    transition: var(--transition-fast);
}

/* Glass Card */
.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    padding: 2rem;
    transition: var(--transition-medium);
}

.glass-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* Gradient Text */
.gradient-text {
    background: linear-gradient(135deg, var(--primary), var(--secondary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-large {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.875rem 2rem;
    border-radius: 0.75rem;
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: var(--transition-medium);
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: var(--glow-primary);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 40px rgba(99, 102, 241, 0.5);
}

.btn-secondary {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
}

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

.btn-large {
    padding: 1.25rem 3rem;
    font-size: 1.125rem;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(11, 15, 25, 0.8);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1rem 0;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo img {
    height: 50px;
    width: auto;
}

.logo-text {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links a {
    color: var(--text-secondary);
    font-weight: 500;
    font-size: 1rem;
    transition: var(--transition-fast);
}

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

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: white;
    font-size: 1.5rem;
    cursor: pointer;
}

.mobile-menu {
    display: none;
    position: fixed;
    top: 80px;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--glass-border);
    padding: 2rem;
    flex-direction: column;
    gap: 1.5rem;
    z-index: 999;
}

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

/* Hero Section */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 100px;
    overflow: hidden;
}

#hero-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
}

.hero .container {
    position: relative;
    z-index: 1;
}

.hero-content {
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.hero-badge i {
    color: var(--warning);
}

.hero-title {
    margin-bottom: 1.5rem;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 3rem;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.feature-pill {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    backdrop-filter: blur(10px);
}

.feature-pill i {
    color: var(--success);
}

.hero-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    animation: fadeInUp 1s ease 0.6s backwards;
}

.robot-mascot {
    position: absolute;
    right: -50px;
    top: 50%;
    transform: translateY(-50%);
    width: 400px;
    height: 400px;
    opacity: 0.3;
    pointer-events: none;
}

.scroll-indicator {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
    animation: bounce 2s infinite;
}

/* Stats Section */
.stats {
    padding: 4rem 0;
    background: var(--bg-secondary);
}

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

.stat-card {
    text-align: center;
    padding: 2rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    transition: var(--transition-medium);
}

.stat-card:hover {
    transform: translateY(-10px);
    background: rgba(255, 255, 255, 0.08);
}

.stat-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.stat-icon i {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    font-family: var(--font-display);
    color: var(--primary);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: var(--text-muted);
    font-size: 1rem;
}

/* Section Styles */
section {
    padding: var(--spacing-xl) 0;
}

.section-header {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 4rem;
}

.section-tag {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 2rem;
    color: var(--primary);
    font-weight: 600;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 1.5rem;
}

.section-title {
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--text-muted);
}

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

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

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

.card-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 1rem;
    font-size: 2rem;
}

.about-card h3 {
    margin-bottom: 1rem;
    color: var(--text-primary);
}

/* Benefits Section */
.benefits {
    background: var(--bg-secondary);
}

.benefits-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(450px, 1fr));
    gap: 3rem;
}

.column-title {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 2rem;
    font-size: 1.5rem;
}

.column-title i {
    color: var(--primary);
}

.benefit-item {
    display: flex;
    gap: 1.5rem;
    margin-bottom: 1.5rem;
}

.benefit-icon {
    flex-shrink: 0;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 0.75rem;
    font-size: 1.5rem;
}

.benefit-content h4 {
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.benefit-content p {
    font-size: 1rem;
    color: var(--text-muted);
}

/* Journey Timeline */
.journey {
    background: var(--bg-primary);
}

.journey-timeline {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    max-width: 900px;
    margin: 0 auto;
}

.timeline-item {
    position: relative;
    padding: 2.5rem;
}

.timeline-number {
    position: absolute;
    top: -15px;
    left: 2rem;
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    font-weight: 700;
    font-size: 1.25rem;
    box-shadow: var(--glow-primary);
}

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

.timeline-item h3 {
    margin-bottom: 1.5rem;
    font-size: 1.75rem;
}

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

.timeline-details p {
    font-size: 1rem;
    padding: 0.5rem 0;
}

.timeline-details strong {
    color: var(--primary);
}

/* Tracks Section */
.tracks {
    background: var(--bg-secondary);
}

.subsection-title {
    text-align: center;
    font-size: 2rem;
    margin: 3rem 0 2rem;
    color: var(--text-primary);
}

.tracks-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 4rem;
}

.track-card {
    text-align: center;
    padding: 3rem 2rem;
}

.track-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 1.5rem;
    font-size: 3rem;
}

.track-card h4 {
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

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

.category-card {
    text-align: center;
    padding: 2rem;
}

.category-icon {
    font-size: 4rem;
    margin-bottom: 1rem;
}

.category-card h4 {
    margin-bottom: 0.75rem;
    font-size: 1.25rem;
}

.important-note {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem;
    text-align: center;
    background: rgba(245, 158, 11, 0.1);
    border-color: var(--warning);
}

.important-note i {
    color: var(--warning);
    font-size: 1.5rem;
    margin-right: 1rem;
}

/* Training Section */
.training {
    background: var(--bg-primary);
}

.training-card {
    max-width: 1000px;
    margin: 0 auto;
}

.training-badge {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
    gap: 1rem;
}

.badge-optional {
    padding: 0.5rem 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--accent);
    border-radius: 2rem;
    color: var(--accent);
    font-weight: 600;
}

.badge-price {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary);
}

.badge-price small {
    font-size: 1rem;
    color: var(--text-muted);
}

.training-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.training-column h4 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.training-column i {
    margin-right: 0.5rem;
}

.training-column ul {
    list-style: none;
}

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

.training-column li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--success);
    font-weight: 700;
}

.training-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 2rem 0;
    padding: 2rem;
    background: rgba(99, 102, 241, 0.05);
    border-radius: 0.75rem;
}

.training-info p {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.training-info i {
    color: var(--primary);
}

.training-note, .hardware-note {
    padding: 1rem;
    margin-top: 1rem;
    background: rgba(6, 182, 212, 0.1);
    border-left: 3px solid var(--accent);
    border-radius: 0.5rem;
}

.hardware-note {
    background: rgba(139, 92, 246, 0.1);
    border-left-color: var(--secondary);
}

/* Finale Section */
.finale {
    background: var(--bg-secondary);
}

.finale-content {
    max-width: 1000px;
    margin: 0 auto;
}

.finale-card {
    text-align: center;
    padding: 3rem;
    margin-bottom: 3rem;
}

.finale-icon {
    width: 120px;
    height: 120px;
    margin: 0 auto 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 2rem;
    font-size: 4rem;
}

.finale-card h3 {
    margin-bottom: 1rem;
    font-size: 2.5rem;
}

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

.highlight-item {
    text-align: center;
    padding: 2.5rem 2rem;
}

.highlight-item i {
    font-size: 3rem;
    color: var(--accent);
    margin-bottom: 1rem;
}

.highlight-item h4 {
    margin-bottom: 1rem;
}

.finale-rewards h3 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2rem;
}

.rewards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
}

.reward-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: 0.75rem;
    transition: var(--transition-medium);
}

.reward-item:hover {
    background: rgba(255, 255, 255, 0.08);
    transform: translateX(10px);
}

.reward-item i {
    font-size: 2rem;
    color: var(--warning);
}

/* Registration Section */
.register {
    background: var(--bg-primary);
}

.register-steps {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    margin-bottom: 3rem;
    flex-wrap: wrap;
}

.step-card {
    flex: 1;
    min-width: 300px;
    text-align: center;
    padding: 3rem 2rem;
}

.step-number {
    width: 60px;
    height: 60px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    font-size: 1.75rem;
    font-weight: 700;
}

.step-arrow {
    font-size: 2rem;
    color: var(--primary);
}

.step-card h3 {
    margin-bottom: 1rem;
}

.what-not-needed {
    max-width: 900px;
    margin: 0 auto 3rem;
    padding: 3rem;
}

.what-not-needed h3 {
    text-align: center;
    margin-bottom: 2rem;
    color: var(--text-primary);
}

.what-not-needed i {
    color: var(--warning);
    margin-right: 1rem;
}

.not-needed-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.not-needed-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: rgba(245, 158, 11, 0.1);
    border: 1px solid var(--warning);
    border-radius: 0.5rem;
}

.not-needed-item i {
    font-size: 1.5rem;
    color: var(--warning);
    margin: 0;
}

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

.register-note {
    margin-top: 1rem;
    color: var(--text-muted);
    font-style: italic;
}

/* Contact Section */
.contact {
    background: var(--bg-secondary);
    padding: 4rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 3rem;
}

.contact-info h3 {
    margin-bottom: 1rem;
    font-size: 2rem;
}

.contact-details {
    margin: 2rem 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin: 1rem 0;
    font-size: 1.1rem;
}

.contact-item i {
    color: var(--primary);
    font-size: 1.5rem;
}

.contact-item a:hover {
    color: var(--primary);
}

.partner-logo {
    margin-top: 3rem;
}

.partner-logo img {
    max-width: 250px;
    height: auto;
}

.contact-form {
    padding: 3rem;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    background: var(--bg-primary);
    border: 1px solid var(--glass-border);
    border-radius: 0.5rem;
    color: var(--text-primary);
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: var(--bg-primary);
    padding: 3rem 0 1.5rem;
    border-top: 1px solid var(--glass-border);
}

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

.footer-brand img {
    height: 60px;
    margin-bottom: 1rem;
}

.footer-links h4 {
    margin-bottom: 1rem;
    color: var(--primary);
}

.footer-links a {
    display: block;
    margin: 0.75rem 0;
    color: var(--text-muted);
    transition: var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary);
    padding-left: 0.5rem;
}

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

.footer-bottom p {
    margin: 0.5rem 0;
    font-size: 0.95rem;
    color: var(--text-muted);
}

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

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

/* Responsive Design */
@media (max-width: 1024px) {
    .benefits-layout {
        grid-template-columns: 1fr;
    }
    
    .robot-mascot {
        opacity: 0.15;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn-large {
        width: 100%;
        justify-content: center;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .about-content,
    .tracks-grid,
    .categories-grid,
    .finale-highlights {
        grid-template-columns: 1fr;
    }
    
    .register-steps {
        flex-direction: column;
    }
    
    .step-arrow {
        transform: rotate(90deg);
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }
    
    h1 { font-size: 2rem; }
    h2 { font-size: 1.75rem; }
    h3 { font-size: 1.5rem; }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .glass-card {
        padding: 1.5rem;
    }
}