/* index.css - Premium Modern Design */

:root {
    --bg-dark: #09090b;
    --bg-surface: rgba(24, 24, 27, 0.4);
    --border-glass: rgba(255, 255, 255, 0.08);
    --text-primary: #f8fafc;
    --text-secondary: #a1a1aa;
    --accent-gradient-start: #3b82f6;
    --accent-gradient-end: #8b5cf6;
    --glow-color: rgba(99, 102, 241, 0.15);
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    line-height: 1.6;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    overflow-x: hidden;
    position: relative;
}

/* Background Glow Effects */
.glow-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(120px);
    z-index: 0;
    opacity: 0.6;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-gradient-start) 0%, transparent 70%);
    top: -200px;
    left: -200px;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, var(--accent-gradient-end) 0%, transparent 70%);
    bottom: -100px;
    right: -100px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem 0;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
}

.logo-icon {
    color: #e2e8f0;
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.2s ease;
}

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

/* Hero Section */
.hero {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 4rem 0;
    gap: 4rem;
}

.hero-content {
    flex: 1;
    max-width: 600px;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background: var(--bg-surface);
    border: 1px solid var(--border-glass);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.text-gradient {
    background: linear-gradient(135deg, #fff 0%, #a1a1aa 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 3rem;
    max-width: 90%;
}

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

.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.875rem 1.5rem;
    border-radius: 12px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.2s ease;
    cursor: pointer;
}

.btn-primary {
    background: var(--text-primary);
    color: var(--bg-dark);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px rgba(255, 255, 255, 0.1);
}

.btn-secondary {
    background: var(--bg-surface);
    color: var(--text-primary);
    border: 1px solid var(--border-glass);
    -webkit-backdrop-filter: blur(12px);
    backdrop-filter: blur(12px);
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-2px);
}

/* Hero Visual & Glassmorphism */
.hero-visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    perspective: 1000px;
}

.glass-card {
    background: rgba(24, 24, 27, 0.65);
    border: 1px solid rgba(255, 255, 255, 0.1);
    -webkit-backdrop-filter: blur(20px);
    backdrop-filter: blur(20px);
    border-radius: 24px;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.mockup-hud {
    width: 280px;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    transform: rotateY(-10deg) rotateX(10deg);
    transition: transform 0.5s cubic-bezier(0.2, 0.8, 0.2, 1);
    animation: float 6s ease-in-out infinite;
}

.mockup-hud:hover {
    transform: rotateY(0deg) rotateX(0deg) scale(1.05);
}

.hud-indicator {
    font-size: 2rem;
    font-weight: 700;
    color: rgba(255, 255, 255, 0.3);
    padding: 0.5rem 1rem;
    border-radius: 12px;
    transition: all 0.3s ease;
}

.hud-indicator.active {
    color: white;
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 20px rgba(255, 255, 255, 0.05);
    animation: indicatorPulse 2s ease-in-out infinite;
}

@keyframes indicatorPulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.8; transform: scale(1.05); }
}

/* Animations */
@keyframes float {
    0% { transform: translateY(0px) rotateY(-10deg) rotateX(10deg); }
    50% { transform: translateY(-20px) rotateY(-8deg) rotateX(12deg); }
    100% { transform: translateY(0px) rotateY(-10deg) rotateX(10deg); }
}

/* Footer */
.footer {
    padding: 3rem 0;
    margin-top: auto;
    border-top: 1px solid var(--border-glass);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.875rem;
}

.license a {
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
}

.license a:hover {
    text-decoration: underline;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    padding: 6rem 0;
}

.feature-card {
    padding: 2.5rem;
    transition: all 0.3s cubic-bezier(0.2, 0.8, 0.2, 1);
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.feature-card:hover {
    transform: translateY(-8px);
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.2);
    box-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.6);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.feature-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: -0.01em;
}

.feature-card p {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.5;
}

/* Tech Stack Section */
.tech-stack {
    padding: 6rem 0 10rem;
    text-align: center;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin-bottom: 4rem;
    background: linear-gradient(135deg, #fff 0%, #71717a 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

.tech-items {
    display: flex;
    justify-content: center;
    gap: 3rem;
    flex-wrap: wrap;
}

.tech-item {
    flex: 1;
    min-width: 280px;
    max-width: 350px;
    text-align: left;
}

.tech-label {
    display: inline-block;
    color: var(--text-primary);
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 0.75rem;
    position: relative;
    padding-left: 1.5rem;
}

.tech-label::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background: var(--accent-gradient-start);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--accent-gradient-start);
}

.tech-item p {
    color: var(--text-secondary);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* Responsive */
@media (max-width: 900px) {
    .hero {
        flex-direction: column;
        text-align: center;
        padding: 2rem 0 4rem;
    }
    .hero-title {
        font-size: 3rem;
    }
    .hero-subtitle {
        margin: 0 auto 2.5rem;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-visual {
        margin-top: 2rem;
    }
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
}