:root {
  --bg: #0b0e14;
  --bg-soft: #11151f;
  --panel: #151a26;
  --border: #232a3a;
  --text: #e6e9f0;
  --muted: #9aa4b8;
  --accent: #6ea8fe;
  --accent-2: #b388ff;
  --green: #4ade80;
  --radius: 14px;
  --maxw: 1040px;
  font-synthesis: none;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background:
    radial-gradient(900px 500px at 80% -10%, rgba(110,168,254,.12), transparent 60%),
    radial-gradient(700px 400px at 0% 0%, rgba(179,136,255,.10), transparent 55%),
    var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Inter, sans-serif;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 20px; }

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

code {
  font-family: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;
  background: rgba(255,255,255,.06);
  padding: .1em .4em;
  border-radius: 6px;
  font-size: .9em;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(11,14,20,.7);
  border-bottom: 1px solid var(--border);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; color: var(--text); font-weight: 700; }
.brand:hover { text-decoration: none; }
.brand-name { font-size: 1.15rem; letter-spacing: .02em; }
.nav-links { display: flex; align-items: center; gap: 22px; }
.nav-links a { color: var(--muted); font-size: .95rem; }
.nav-links a:hover { color: var(--text); text-decoration: none; }

/* Buttons */
.btn {
  display: inline-block;
  padding: 11px 20px;
  border-radius: 10px;
  font-weight: 600;
  font-size: .95rem;
  border: 1px solid transparent;
  transition: transform .08s ease, background .2s ease, border-color .2s ease;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn-primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #0b0e14; }
.btn-ghost { border-color: var(--border); color: var(--text); background: var(--panel); }
.btn-ghost:hover { border-color: var(--accent); }

/* Hero */
.hero { padding: 84px 20px 40px; text-align: center; }
.pill {
  display: inline-block;
  font-size: .8rem;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  background: rgba(110,168,254,.1);
  border: 1px solid rgba(110,168,254,.3);
  padding: 6px 14px;
  border-radius: 999px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.4rem);
  line-height: 1.1;
  margin: 22px auto 16px;
  max-width: 18ch;
  letter-spacing: -.02em;
}
.grad { background: linear-gradient(120deg, var(--accent), var(--accent-2)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.lede { color: var(--muted); font-size: 1.12rem; max-width: 60ch; margin: 0 auto; }
.cta-row { display: flex; gap: 14px; justify-content: center; margin: 30px 0 48px; flex-wrap: wrap; }

/* Terminal */
.hero-terminal {
  max-width: 640px;
  margin: 0 auto;
  text-align: left;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 30px 80px -30px rgba(0,0,0,.7);
}
.term-bar { display: flex; gap: 8px; padding: 14px 16px; border-bottom: 1px solid var(--border); }
.term-bar span { width: 12px; height: 12px; border-radius: 50%; background: #303749; }
.term-bar span:first-child { background: #ff5f57; }
.term-bar span:nth-child(2) { background: #febc2e; }
.term-bar span:nth-child(3) { background: #28c840; }
.term-body {
  margin: 0;
  padding: 20px;
  font-family: ui-monospace, "JetBrains Mono", Menlo, Consolas, monospace;
  font-size: .92rem;
  line-height: 1.7;
  white-space: pre-wrap;
  color: var(--text);
}
.term-prompt { color: var(--accent); font-weight: 700; }
.term-veya { color: var(--green); font-weight: 700; }
.term-dim { color: var(--muted); font-size: .85em; }

/* Sections */
.section { padding: 70px 20px; }
.section-title { font-size: clamp(1.6rem, 3.5vw, 2.2rem); text-align: center; margin: 0 0 12px; letter-spacing: -.01em; }
.section-sub { text-align: center; color: var(--muted); max-width: 60ch; margin: 0 auto 40px; }

/* Cards */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  transition: border-color .2s ease, transform .12s ease;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); }
.card-icon { font-size: 1.8rem; margin-bottom: 12px; }
.card h3 { margin: 0 0 8px; font-size: 1.15rem; }
.card p { margin: 0; color: var(--muted); font-size: .96rem; }

/* Diagram */
.diagram {
  display: block;
  width: 100%;
  height: auto;
  max-width: 760px;
  margin: 0 auto 40px;
  padding: 24px;
  background: var(--bg-soft);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-sizing: border-box;
}

/* Component grid */
.comp-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.comp {
  background: var(--panel);
  border: 1px solid var(--border);
  border-left: 3px solid var(--accent);
  border-radius: 10px;
  padding: 20px 22px;
}
.comp h4 { margin: 0 0 6px; font-size: 1.05rem; }
.comp p { margin: 0; color: var(--muted); font-size: .94rem; }

/* Timeline */
.timeline { list-style: none; margin: 0; padding: 0; max-width: 720px; margin: 0 auto; }
.timeline li { display: flex; gap: 18px; padding: 18px 0; border-bottom: 1px solid var(--border); }
.timeline li:last-child { border-bottom: none; }
.ms {
  flex: 0 0 auto;
  width: 44px; height: 44px;
  display: grid; place-items: center;
  border-radius: 10px;
  font-weight: 700;
  background: linear-gradient(135deg, rgba(110,168,254,.2), rgba(179,136,255,.2));
  border: 1px solid var(--border);
  color: var(--accent);
}
.timeline h4 { margin: 4px 0 6px; font-size: 1.08rem; }
.timeline p { margin: 0; color: var(--muted); font-size: .95rem; }

/* CTA band */
.cta-band { text-align: center; }
.cta-band h2 { font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 8px; }
.cta-band p { color: var(--muted); margin: 0 0 26px; }

/* Footer */
.site-footer { border-top: 1px solid var(--border); padding: 28px 20px; }
.footer-inner { display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; color: var(--muted); font-size: .9rem; }
.muted { color: var(--muted); }

/* Responsive */
@media (max-width: 800px) {
  .cards, .comp-grid { grid-template-columns: 1fr; }
  .nav-links a:not(.btn) { display: none; }
}