:root {
    --bg-primary: #0a0e1a;
    --bg-secondary: #0d1225;
    --bg-card: #111830;
    --neon-blue: #00d4ff;
    --neon-purple: #7c3aed;
    --neon-pink: #ec4899;
    --text-primary: #e2e8f0;
    --text-secondary: #94a3b8;
    --border-glow: rgba(0, 212, 255, 0.3);
    --gradient-neon: linear-gradient(135deg, #00d4ff 0%, #7c3aed 50%, #ec4899 100%);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* ============ NAVBAR ============ */
.navbar {
    background: rgba(10, 14, 26, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-glow);
    padding: 1rem 0;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(10, 14, 26, 0.98);
    box-shadow: 0 5px 20px rgba(0, 212, 255, 0.1);
}

.navbar-brand {
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: 1.5rem;
    text-decoration: none;
    display: flex;
    align-items: center;
    gap: 10px;
}

.brand-icon {
    width: 35px;
    height: 35px;
    background: var(--gradient-neon);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    animation: pulse-glow 2s infinite;
}

.brand-text {
    color: white;
    letter-spacing: 2px;
}

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

.nav-link {
    color: var(--text-secondary) !important;
    font-weight: 500;
    margin: 0 0.8rem;
    position: relative;
    transition: all 0.3s ease;
}

.nav-link:hover {
    color: var(--neon-blue) !important;
}

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

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

.btn-navbar {
    border: 1px solid var(--border-glow);
    color: var(--neon-blue);
    background: transparent;
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    transition: all 0.3s ease;
}

.btn-navbar:hover {
    background: rgba(0, 212, 255, 0.1);
    border-color: var(--neon-blue);
    color: var(--neon-blue);
}

.btn-navbar-primary {
    background: var(--gradient-neon);
    color: white !important;
    padding: 0.5rem 1.2rem;
    border-radius: 6px;
    text-decoration: none;
    border: none;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    transition: all 0.3s ease;
}

.btn-navbar-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
    color: white !important;
}

/* ============ HERO SECTION ============ */
.hero-section {
    min-height: 100vh;
    position: relative;
    display: flex;
    align-items: center;
    padding: 120px 0 60px;
    background: radial-gradient(ellipse at center, var(--bg-secondary) 0%, var(--bg-primary) 70%);
    overflow: hidden;
}

.hero-grid {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        linear-gradient(rgba(0, 212, 255, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 212, 255, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    animation: grid-move 20s linear infinite;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(0, 212, 255, 0.1);
    border: 1px solid var(--border-glow);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--neon-blue);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--neon-blue);
    border-radius: 50%;
    animation: blink 1.5s infinite;
}

.hero-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.gradient-text {
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradient-shift 3s ease infinite;
}

.hero-description {
    font-size: 1.2rem;
    color: var(--text-secondary);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.btn {
    padding: 0.8rem 2rem;
    border-radius: 8px;
    font-weight: 600;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.btn-lg {
    font-size: 1.1rem;
}

.btn-primary {
    background: var(--gradient-neon);
    color: white !important;
    border: none;
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.5);
}

.btn-outline-neon {
    border: 2px solid var(--neon-blue);
    color: var(--neon-blue) !important;
    background: transparent;
}

.btn-outline-neon:hover {
    background: rgba(0, 212, 255, 0.1);
    box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    transform: translateY(-3px);
}

.hero-stats {
    display: flex;
    gap: 3rem;
}

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

.stat-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    background: var(--gradient-neon);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-secondary);
}

/* Hero Visual */
.hero-visual {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.orb-ring {
    position: absolute;
    border-radius: 50%;
    border: 2px solid;
    animation: rotate 20s linear infinite;
}

.ring-1 {
    width: 100%;
    height: 100%;
    border-color: var(--neon-blue);
    border-top-color: transparent;
    animation-duration: 10s;
}

.ring-2 {
    width: 75%;
    height: 75%;
    border-color: var(--neon-purple);
    border-bottom-color: transparent;
    animation-duration: 15s;
    animation-direction: reverse;
}

.ring-3 {
    width: 50%;
    height: 50%;
    border-color: var(--neon-pink);
    border-left-color: transparent;
    animation-duration: 20s;
}

.orb-core {
    width: 100px;
    height: 100px;
    background: var(--gradient-neon);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
    box-shadow: 0 0 50px rgba(0, 212, 255, 0.5);
    animation: pulse-glow 2s infinite;
}

.floating-elements {
    position: absolute;
    width: 100%;
    height: 100%;
}

.float-item {
    position: absolute;
    font-size: 2rem;
    animation: float 3s ease-in-out infinite;
}

.float-1 {
    top: 10%;
    left: 10%;
    animation-delay: 0s;
}

.float-2 {
    top: 20%;
    right: 10%;
    animation-delay: 1s;
}

.float-3 {
    bottom: 10%;
    left: 50%;
    animation-delay: 2s;
}

/* ============ SECTIONS ============ */
.features-section,
.models-section,
.about-section {
    padding: 100px 0;
    position: relative;
}

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

.section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--text-secondary);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    padding: 2rem;
    position: relative;
    transition: all 0.3s ease;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(0, 212, 255, 0.05) 0%, transparent 50%);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.feature-card:hover {
    border-color: var(--neon-blue);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 212, 255, 0.15);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-neon);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.8rem;
    color: white;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.feature-card h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 1rem;
    position: relative;
    z-index: 1;
}

.feature-card p {
    color: var(--text-secondary);
    position: relative;
    z-index: 1;
}

.feature-line {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--gradient-neon);
    transition: width 0.3s ease;
}

.feature-card:hover .feature-line {
    width: 100%;
}

/* Models Grid */
.models-section {
    background: var(--bg-secondary);
}

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

.model-card {
    background: var(--bg-card);
    border: 1px solid rgba(0, 212, 255, 0.1);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
}

.model-card:hover {
    border-color: var(--neon-purple);
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(124, 58, 237, 0.2);
}

.model-provider {
    font-size: 0.9rem;
    color: var(--neon-blue);
    font-weight: 600;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.model-card h4 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.model-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.tag {
    background: rgba(0, 212, 255, 0.1);
    color: var(--neon-blue);
    padding: 0.3rem 0.8rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
}

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

.about-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
}

.about-list {
    list-style: none;
    padding: 0;
}

.about-list li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    color: var(--text-secondary);
}

.about-list li i {
    color: var(--neon-blue);
    font-size: 1.2rem;
}

/* Terminal Window */
.terminal-window {
    background: #0a0a0a;
    border: 1px solid rgba(0, 212, 255, 0.2);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
}

.terminal-header {
    background: #1a1a1a;
    padding: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27c93f; }

.terminal-title {
    color: #666;
    font-size: 0.9rem;
}

.terminal-body {
    padding: 1.5rem;
    font-family: 'Courier New', monospace;
    font-size: 0.9rem;
}

.terminal-line {
    margin-bottom: 0.5rem;
    color: #ccc;
}

.terminal-line.success {
    color: #27c93f;
}

.prompt {
    color: var(--neon-blue);
    margin-right: 0.5rem;
}

.command {
    color: white;
}

.status-online {
    color: #27c93f;
}

.cursor {
    color: var(--neon-blue);
    animation: blink 1s infinite;
}

/* CTA Section */
.cta-section {
    padding: 80px 0;
    background: radial-gradient(ellipse at center, var(--bg-secondary) 0%, var(--bg-primary) 70%);
    position: relative;
}

.cta-content {
    text-align: center;
    position: relative;
    z-index: 2;
}

.cta-content h2 {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-content p {
    color: var(--text-secondary);
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

/* Footer */
.footer {
    background: var(--bg-secondary);
    border-top: 1px solid rgba(0, 212, 255, 0.1);
    padding: 3rem 0 2rem;
}

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

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: 'Orbitron', sans-serif;
    font-weight: 900;
    font-size: 1.2rem;
}

.footer-links {
    display: flex;
    gap: 2rem;
}

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

.footer-links a:hover {
    color: var(--neon-blue);
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border: 1px solid var(--border-glow);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-social a:hover {
    border-color: var(--neon-blue);
    color: var(--neon-blue);
    background: rgba(0, 212, 255, 0.1);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(0, 212, 255, 0.1);
}

.footer-bottom p {
    color: var(--text-secondary);
    margin: 0;
}

/* ============ ANIMATIONS ============ */
@keyframes pulse-glow {
    0%, 100% {
        box-shadow: 0 0 20px rgba(0, 212, 255, 0.3);
    }
    50% {
        box-shadow: 0 0 50px rgba(0, 212, 255, 0.6);
    }
}

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

@keyframes rotate {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

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

@keyframes grid-move {
    from { transform: translate(0, 0); }
    to { transform: translate(50px, 50px); }
}

@keyframes gradient-shift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

/* Fade In Animations */
@keyframes fade-in {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fade-in {
    animation: fade-in 1s ease;
}

.animate-slide-up {
    animation: fade-in 1s ease;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

/* ============ RESPONSIVE ============ */
@media (max-width: 991px) {
    .hero-title {
        font-size: 2.5rem;
    }
    
    .about-content {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .ai-orb {
        width: 300px;
        height: 300px;
    }
}

@media (max-width: 768px) {
    .hero-section {
        padding: 100px 0 40px;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-stats {
        flex-wrap: wrap;
        gap: 1.5rem;
    }
    
    .stat-value {
        font-size: 1.5rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .models-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-links {
        flex-wrap: wrap;
        justify-content: center;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .models-grid {
        grid-template-columns: 1fr;
    }
    
    .ai-orb {
        width: 250px;
        height: 250px;
    }
}