:root {
    --bg: #0a0e17;
    --bg-card: #111827;
    --bg-card-hover: #1a2332;
    --text: #e2e8f0;
    --text-muted: #94a3b8;
    --accent: #06b6d4;
    --accent-dim: rgba(6, 182, 212, 0.15);
    --border: #1e293b;
    --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', monospace;
}

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

html { scroll-behavior: smooth; }

body {
    font-family: var(--font);
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

/* Layout */
.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navigation */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.25rem 0;
    background: rgba(10, 14, 23, 0.85);
    backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
    z-index: 100;
}

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

.logo {
    font-size: 1.25rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    color: var(--text);
    text-decoration: none;
}

.logo span { color: var(--accent); }

nav ul {
    list-style: none;
    display: flex;
    gap: 2rem;
}

nav a {
    color: var(--text-muted);
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    transition: color 0.2s;
}

nav a:hover { color: var(--accent); }

/* Hero */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 5rem;
}

.hero-content { max-width: 720px; }

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.5rem);
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
}

.hero h1 .accent { color: var(--accent); }

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 560px;
    margin-bottom: 2.5rem;
}

.btn {
    display: inline-block;
    padding: 0.75rem 2rem;
    background: var(--accent);
    color: var(--bg);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border-radius: 6px;
    transition: opacity 0.2s;
}

.btn:hover { opacity: 0.85; }

.btn-outline {
    background: transparent;
    color: var(--accent);
    border: 1px solid var(--accent);
    margin-left: 1rem;
}

.btn-outline:hover {
    background: var(--accent-dim);
    opacity: 1;
}

/* Sections */
section {
    padding: 7rem 0;
}

section h2 {
    font-size: 2rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    margin-bottom: 1rem;
}

section .section-lead {
    color: var(--text-muted);
    font-size: 1.1rem;
    max-width: 600px;
    margin-bottom: 3rem;
}

.label {
    display: inline-block;
    font-family: var(--font-mono);
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
}

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

.cap-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2rem;
    transition: border-color 0.2s, background 0.2s;
}

.cap-card:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
}

.cap-card h3 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.75rem;
}

.cap-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.6;
}

.cap-icon {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    display: block;
}

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

.about-content p {
    color: var(--text-muted);
    font-size: 1rem;
    margin-bottom: 1.25rem;
}

.about-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
}

.stat {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 1.5rem;
}

.stat .number {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--accent);
    font-family: var(--font-mono);
}

.stat .desc {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 0.25rem;
}

/* Blog */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
}

.blog-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 2rem;
    text-decoration: none;
    color: inherit;
    transition: border-color 0.2s, background 0.2s, transform 0.2s;
    display: block;
}

.blog-card:hover {
    border-color: var(--accent);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.blog-date {
    font-family: var(--font-mono);
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-bottom: 0.75rem;
}

.blog-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.blog-card p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.blog-empty {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-muted);
    border: 1px dashed var(--border);
    border-radius: 10px;
}

/* Contact */
.contact-content {
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.contact-content p {
    color: var(--text-muted);
    margin-bottom: 2rem;
}

.contact-email {
    font-family: var(--font-mono);
    font-size: 1.1rem;
    color: var(--accent);
    text-decoration: none;
}

.contact-email:hover { text-decoration: underline; }

/* Footer */
footer {
    border-top: 1px solid var(--border);
    padding: 2rem 0;
    text-align: center;
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Divider */
.divider {
    height: 1px;
    background: var(--border);
}

/* Responsive */
@media (max-width: 768px) {
    nav ul { gap: 1.25rem; }
    nav a { font-size: 0.8rem; }

    .about-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .btn-outline { margin-left: 0; margin-top: 0.75rem; display: inline-block; }

    section { padding: 4rem 0; }
}

@media (max-width: 480px) {
    .container { padding: 0 1.25rem; }
    nav ul { display: none; }
    .capabilities-grid { grid-template-columns: 1fr; }
}