:root {
    --bg: #0b1220;
    --surface: #111a2e;
    --surface-2: #18243f;
    --border: #1f2d4d;
    --text: #e6edf7;
    --muted: #94a3b8;
    --accent: #22d3ee;
    --accent-2: #3b82f6;
    --danger: #ef4444;
    --radius: 10px;
    --mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, monospace;
    --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
    --maxw: 1100px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    background:
        radial-gradient(1200px 600px at 80% -10%, rgba(34, 211, 238, 0.08), transparent 60%),
        radial-gradient(900px 500px at -10% 10%, rgba(59, 130, 246, 0.10), transparent 60%),
        var(--bg);
    color: var(--text);
    font-family: var(--sans);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

main { flex: 1; }

a { color: var(--accent); text-decoration: none; }
a:hover, a:focus { text-decoration: underline; }

img { max-width: 100%; height: auto; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; }
h1 { font-size: clamp(2rem, 4vw + 1rem, 3.5rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.4rem, 1.5vw + 1rem, 2rem); }
h3 { font-size: 1.15rem; }

.muted { color: var(--muted); }
.mono  { font-family: var(--mono); }

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 1.25rem; }

.skip-link {
    position: absolute; left: -9999px; top: auto; width: 1px; height: 1px; overflow: hidden;
}
.skip-link:focus { left: 1rem; top: 1rem; width: auto; height: auto; padding: .5rem .75rem;
    background: var(--accent); color: var(--bg); border-radius: 6px; z-index: 100; }

/* Header */
.site-header {
    border-bottom: 1px solid var(--border);
    background: rgba(11, 18, 32, 0.85);
    backdrop-filter: saturate(140%) blur(8px);
    position: sticky; top: 0; z-index: 10;
}
.nav-inner { display: flex; align-items: center; justify-content: space-between; padding: 0.9rem 1.25rem; }
.brand { display: inline-flex; align-items: center; gap: .35rem; font-family: var(--mono); font-weight: 600; color: var(--text); }
.brand-prompt { color: var(--accent); }
.brand-cursor { color: var(--accent); animation: blink 1.1s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }

.nav-list { list-style: none; display: flex; gap: 1.25rem; padding: 0; margin: 0; align-items: center; }
.nav-list a { color: var(--text); }
.nav-list a:hover { color: var(--accent); }

.btn { display: inline-block; padding: .55rem 1rem; border-radius: var(--radius); font-weight: 600; border: 1px solid var(--border); transition: transform .12s ease, background .12s ease, color .12s ease; }
.btn:hover { transform: translateY(-1px); text-decoration: none; }
.btn-accent { background: var(--accent); color: var(--bg) !important; border-color: var(--accent); }
.btn-accent:hover { background: #67e8f9; }
.btn-ghost  { color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent); }

/* Hero */
.hero { padding: 5rem 0 3rem; }
.eyebrow { font-family: var(--mono); color: var(--accent); letter-spacing: .12em; text-transform: uppercase; font-size: .8rem; }
.hero h1 .accent { background: linear-gradient(90deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero p.lead { font-size: 1.15rem; color: var(--muted); max-width: 60ch; }
.hero-actions { margin-top: 1.5rem; display: flex; gap: .75rem; flex-wrap: wrap; }

/* Sections */
section { padding: 3rem 0; }
.section-title { display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; margin-bottom: 1.25rem; }
.section-title a { font-size: .9rem; }

/* Card grid */
.grid { display: grid; gap: 1.25rem; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.card {
    background: linear-gradient(180deg, var(--surface), var(--surface-2));
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 1.25rem;
    transition: transform .15s ease, border-color .15s ease;
}
.card:hover { transform: translateY(-2px); border-color: var(--accent); }
.card-title { font-size: 1.15rem; margin: 0 0 .25rem; }
.card-title a { color: var(--text); }
.card-title a:hover { color: var(--accent); }
.card-tag { color: var(--muted); margin: 0 0 .75rem; font-size: .92rem; }
.tags { list-style: none; padding: 0; margin: 1rem 0 0; display: flex; flex-wrap: wrap; gap: .4rem; }
.tags li { font-family: var(--mono); font-size: .75rem; color: var(--accent); border: 1px solid var(--border); padding: .15rem .5rem; border-radius: 999px; background: rgba(34, 211, 238, .05); }

.project-card { padding: 0; overflow: hidden; }
.project-card > header,
.project-card > p,
.project-card > .tags { padding-left: 1.25rem; padding-right: 1.25rem; }
.project-card > header { padding-top: 1.25rem; }
.project-card > .tags { padding-bottom: 1.25rem; }
.card-shot { display: block; aspect-ratio: 16/10; overflow: hidden; background: var(--surface); border-bottom: 1px solid var(--border); }
.card-shot img { width: 100%; height: 100%; object-fit: cover; object-position: top center; transition: transform .4s ease; display: block; }
.card-shot:hover img { transform: scale(1.03); }
.card-shot-placeholder { display: flex; align-items: center; justify-content: center; font-family: var(--mono); color: var(--muted); background:
    repeating-linear-gradient(45deg, var(--surface) 0 12px, var(--surface-2) 12px 24px); }
.project-card.is-soon { opacity: .85; }
.project-card.is-soon .card-title { color: var(--muted); }

/* USP */
.usp-grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); margin-top: 1.5rem; }
.usp h3 { color: var(--accent); font-family: var(--mono); font-size: .95rem; }
.usp { padding: 1rem; border-left: 2px solid var(--accent); background: rgba(34, 211, 238, .04); border-radius: 4px; }

/* Forms */
.form { max-width: 640px; display: grid; gap: 1rem; }
.field { display: grid; gap: .35rem; }
.field label { font-family: var(--mono); font-size: .85rem; color: var(--muted); }
.field input, .field textarea {
    width: 100%; padding: .7rem .9rem; background: var(--surface); border: 1px solid var(--border);
    color: var(--text); border-radius: var(--radius); font: inherit;
}
.field input:focus, .field textarea:focus { outline: 2px solid var(--accent); outline-offset: 1px; border-color: var(--accent); }
.field textarea { resize: vertical; min-height: 8rem; }
.field .err { color: var(--danger); font-size: .85rem; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-error { padding: .75rem 1rem; border: 1px solid var(--danger); background: rgba(239,68,68,.1); border-radius: var(--radius); color: #fecaca; }
.form-success { padding: 1.5rem; border: 1px solid var(--accent); background: rgba(34,211,238,.08); border-radius: var(--radius); }

/* Article (blog post & legal) */
.prose { max-width: 70ch; }
.prose h2 { margin-top: 2rem; }
.prose h3 { margin-top: 1.5rem; }
.prose p, .prose li { color: #cfd8e7; }
.prose code { font-family: var(--mono); background: var(--surface); padding: .1rem .35rem; border-radius: 4px; font-size: .92em; }
.prose pre { background: var(--surface); padding: 1rem; border-radius: var(--radius); overflow-x: auto; border: 1px solid var(--border); }
.prose blockquote { border-left: 3px solid var(--accent); padding-left: 1rem; color: var(--muted); margin-left: 0; }
.prose ul, .prose ol { padding-left: 1.25rem; }

.post-date { font-family: var(--mono); color: var(--muted); font-size: .85rem; margin: 0 0 .25rem; }

/* Footer */
.site-footer {
    margin-top: 3rem;
    padding: 2.5rem 0 1.5rem;
    background: var(--surface);
    border-top: 1px solid var(--border);
}
.footer-grid { display: grid; gap: 2rem; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.footer-brand { font-family: var(--mono); color: var(--accent); margin: 0 0 .5rem; }
.site-footer h2 { font-size: .95rem; font-family: var(--mono); color: var(--text); margin-bottom: .5rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: .35rem; }
.site-footer a { color: var(--muted); }
.site-footer a:hover { color: var(--accent); }
.footer-bottom { margin-top: 2rem; padding-top: 1rem; border-top: 1px solid var(--border); font-size: .85rem; }

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .brand-cursor { animation: none; }
    .card:hover, .btn:hover { transform: none; }
    html { scroll-behavior: auto; }
}