:root {
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #111111;
    --border: #222222;
    --text-primary: #ededed;
    --text-secondary: #888888;
    --text-muted: #666666;
    --accent: #ffffff;
    --accent-dim: rgba(255, 255, 255, 0.1);
    --gradient-start: #1a1a2e;
    --gradient-end: #0a0a0a;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Geist', -apple-system, BlinkMacSystemFont, sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.grain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    opacity: 0.03;
    z-index: 1000;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Header */
header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: -0.02em;
}

.logo .hexagon {
    color: var(--text-primary);
}

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

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 0.875rem;
    transition: color 0.2s ease;
}

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

.btn-primary {
    background: var(--accent);
    color: var(--bg-primary);
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.2s ease;
    border: none;
    cursor: pointer;
}

.btn-primary:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

.btn-large {
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
}

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 6rem 2rem 4rem;
    background: radial-gradient(ellipse at 50% 0%, var(--gradient-start) 0%, var(--bg-primary) 60%);
}

.hero-content {
    max-width: 800px;
    text-align: center;
    z-index: 1;
    animation: fadeUp 0.8s ease-out;
}

@keyframes fadeUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.badge {
    display: inline-block;
    padding: 0.375rem 0.875rem;
    background: var(--accent-dim);
    border: 1px solid var(--border);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.hero h1 {
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    background: linear-gradient(180deg, var(--text-primary) 0%, var(--text-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-secondary);
    max-width: 500px;
    margin: 0 auto 2.5rem;
    line-height: 1.7;
}

.hero-visual {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.hex-grid {
    position: absolute;
    inset: 0;
}

.floating-hex {
    position: absolute;
    color: var(--text-muted);
    opacity: 0.15;
}

.hex-1 {
    top: 20%;
    right: 15%;
    animation: float 8s ease-in-out infinite;
}

.hex-2 {
    bottom: 25%;
    left: 10%;
    animation: float 10s ease-in-out infinite reverse;
}

.hex-3 {
    top: 40%;
    left: 20%;
    animation: float 6s ease-in-out infinite 2s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(5deg);
    }
}

/* Sections */
.section-content {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.about {
    padding: 8rem 0;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.about h2, .contact h2 {
    font-size: 2.5rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    margin-bottom: 3rem;
    text-align: center;
}

.about-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.about-card {
    background: var(--bg-tertiary);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 2rem;
    transition: all 0.3s ease;
}

.about-card:hover {
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--accent-dim);
    border-radius: 10px;
    margin-bottom: 1.25rem;
    color: var(--text-primary);
}

.about-card h3 {
    font-size: 1.125rem;
    font-weight: 500;
    margin-bottom: 0.75rem;
    letter-spacing: -0.01em;
}

.about-card p {
    color: var(--text-secondary);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Contact */
.contact {
    padding: 8rem 0;
    text-align: center;
}

.contact-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
    margin-bottom: 2rem;
}

.email-link {
    display: inline-block;
    font-size: 1.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    letter-spacing: -0.02em;
    padding-bottom: 0.25rem;
    border-bottom: 2px solid var(--border);
    transition: all 0.2s ease;
}

.email-link:hover {
    border-color: var(--text-primary);
}

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 2rem;
}

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

.footer-logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.copyright {
    font-size: 0.8125rem;
    color: var(--text-muted);
}

/* Page Header */
.page-header {
    padding: 10rem 2rem 4rem;
    text-align: center;
    background: radial-gradient(ellipse at 50% 0%, var(--gradient-start) 0%, var(--bg-primary) 60%);
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 600;
    letter-spacing: -0.03em;
    margin-bottom: 0.75rem;
}

.page-subtitle {
    color: var(--text-secondary);
    font-size: 1.125rem;
}

/* Products */
.products {
    padding: 6rem 0 8rem;
    background: var(--bg-secondary);
    border-top: 1px solid var(--border);
}

.section-label {
    display: block;
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    letter-spacing: -0.02em;
    margin-bottom: 2rem;
    text-align: center;
}

.product-card {
    display: block;
    max-width: 560px;
    margin: 0 auto;
    padding: 2rem;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 16px;
    text-decoration: none;
    color: inherit;
    transition: all 0.2s ease;
}

.product-card:hover {
    border-color: var(--text-muted);
    transform: translateY(-2px);
}

.product-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.25rem;
}

.product-emoji {
    font-size: 2.5rem;
    flex-shrink: 0;
}

.product-title {
    flex: 1;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.product-title h3 {
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: -0.02em;
}

.product-badge {
    padding: 0.25rem 0.5rem;
    background: var(--accent-dim);
    border-radius: 6px;
    font-size: 0.6875rem;
    font-weight: 500;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.product-arrow {
    flex-shrink: 0;
    color: var(--text-muted);
    opacity: 0;
    transform: translate(-4px, 4px);
    transition: all 0.2s ease;
}

.product-card:hover .product-arrow {
    opacity: 1;
    transform: translate(0, 0);
}

.product-description {
    color: var(--text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 1.5rem;
}

.product-features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.5rem 1.5rem;
    list-style: none;
    margin-bottom: 1.5rem;
}

.product-features li {
    font-size: 0.875rem;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.product-features li::before {
    content: "";
    width: 4px;
    height: 4px;
    background: var(--text-muted);
    border-radius: 50%;
    flex-shrink: 0;
}

.product-link {
    display: inline-block;
    font-size: 0.9375rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: opacity 0.2s ease;
}

.product-card:hover .product-link {
    opacity: 0.8;
}

/* Responsive */
@media (max-width: 768px) {
    nav {
        padding: 1rem 1.5rem;
    }
    
    .nav-links {
        gap: 1rem;
    }
    
    .nav-links a:not(.btn-primary) {
        display: none;
    }
    
    .hero {
        padding: 8rem 1.5rem 4rem;
    }
    
    .hero-subtitle {
        font-size: 1.125rem;
    }
    
    .about, .contact {
        padding: 5rem 0;
    }
    
    .about h2, .contact h2 {
        font-size: 2rem;
    }
    
    .about-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-content {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .email-link {
        font-size: 1.25rem;
    }
    
    .page-header {
        padding: 8rem 1.5rem 3rem;
    }
    
    .page-header h1 {
        font-size: 2.25rem;
    }
    
    .products {
        padding: 0 0 5rem;
    }
    
    .product-card {
        padding: 1.5rem;
    }
    
    .product-title h3 {
        font-size: 1.25rem;
    }
    
    .product-features {
        grid-template-columns: 1fr;
    }
    
    .product-arrow {
        display: none;
    }
}