:root {
  --bg: #0a0b0f;
  --panel: #12141c;
  --panel-2: #181b26;
  --edge: #242838;
  --accent: #7c5cff;
  --accent-2: #22d3ee;
  --ok: #34d399;
  --amber: #fbbf24;
  --red: #f87171;
  --text: #e6e8ef;
  --muted: #8a90a6;
  --faint: #5a607a;
  --mono: "JetBrains Mono", ui-monospace, monospace;
  --display: "Clash Display", ui-sans-serif, system-ui, sans-serif;
  --body: "Satoshi", ui-sans-serif, system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: var(--body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; text-decoration: none; }
code { font-family: var(--mono); }
::selection { background: color-mix(in oklab, var(--accent) 45%, transparent); }

/* ── atmosphere ─────────────────────────────────────────── */
.bg-glow {
  position: fixed; inset: 0; z-index: -3; pointer-events: none;
  background:
    radial-gradient(60rem 40rem at 78% -8%, color-mix(in oklab, var(--accent) 26%, transparent), transparent 60%),
    radial-gradient(48rem 34rem at 8% 18%, color-mix(in oklab, var(--accent-2) 16%, transparent), transparent 60%),
    var(--bg);
}
.bg-grid {
  position: fixed; inset: 0; z-index: -2; pointer-events: none; opacity: 0.5;
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(circle at 70% 0%, #000 0%, transparent 75%);
}
.bg-grain {
  position: fixed; inset: 0; z-index: -1; pointer-events: none; opacity: 0.05;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* ── nav ────────────────────────────────────────────────── */
.nav {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 1.1rem clamp(1.2rem, 5vw, 4rem);
  backdrop-filter: blur(12px);
  background: color-mix(in oklab, var(--bg) 72%, transparent);
  border-bottom: 1px solid color-mix(in oklab, var(--edge) 60%, transparent);
}
.brand { display: flex; align-items: center; gap: 0.6rem; font-weight: 700; }
.brand-mark {
  display: grid; place-items: center; width: 30px; height: 30px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  color: #fff; font-family: var(--display); font-weight: 700;
  box-shadow: 0 6px 22px color-mix(in oklab, var(--accent) 45%, transparent);
}
.brand-name { font-family: var(--display); letter-spacing: -0.01em; font-size: 1.05rem; }
.nav-links { display: flex; align-items: center; gap: 1.6rem; font-size: 0.92rem; color: var(--muted); }
.nav-links a { transition: color 0.2s; }
.nav-links a:hover { color: var(--text); }
.nav-cta {
  padding: 0.5rem 0.95rem; border-radius: 10px; color: var(--text) !important;
  border: 1px solid var(--edge); background: var(--panel-2);
}
.nav-cta:hover { border-color: var(--accent); }
@media (max-width: 680px) { .nav-links a:not(.nav-cta) { display: none; } }

/* ── hero ───────────────────────────────────────────────── */
.hero {
  display: grid; grid-template-columns: 1.05fr 1fr; gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
  padding: clamp(3rem, 8vw, 6.5rem) clamp(1.2rem, 5vw, 4rem) clamp(2rem, 5vw, 4rem);
  max-width: 1240px; margin: 0 auto;
}
@media (max-width: 900px) { .hero { grid-template-columns: 1fr; } }

.eyebrow {
  font-family: var(--mono); font-size: 0.78rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--accent-2); margin-bottom: 1.1rem;
}
.headline {
  font-family: var(--display); font-weight: 700; line-height: 1.02;
  font-size: clamp(2.6rem, 6.5vw, 4.6rem); letter-spacing: -0.02em; margin-bottom: 1.2rem;
}
.grad {
  background: linear-gradient(110deg, var(--accent) 10%, var(--accent-2) 90%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.sub { font-size: clamp(1rem, 1.6vw, 1.18rem); color: var(--muted); max-width: 34rem; margin-bottom: 2rem; }

.install-card {
  border: 1px solid var(--edge); border-radius: 16px; overflow: hidden;
  background: color-mix(in oklab, var(--panel) 88%, transparent);
  box-shadow: 0 24px 60px -20px rgba(0,0,0,0.7), inset 0 1px 0 rgba(255,255,255,0.03);
  max-width: 38rem;
}
.install-head {
  display: flex; align-items: center; gap: 0.45rem;
  padding: 0.6rem 0.9rem; border-bottom: 1px solid color-mix(in oklab, var(--edge) 70%, transparent);
}
.install-label { font-family: var(--mono); font-size: 0.72rem; color: var(--faint); margin-left: 0.5rem; }
.dot { width: 11px; height: 11px; border-radius: 50%; display: inline-block; }
.dot.red { background: var(--red); } .dot.amber { background: var(--amber); } .dot.green { background: var(--ok); }
.install-body { padding: 1.1rem; }
.cmd {
  display: block; font-size: 0.9rem; color: var(--text); white-space: nowrap; overflow-x: auto;
  padding-bottom: 0.9rem;
}
.prompt { color: var(--accent-2); user-select: none; margin-right: 0.5rem; }
.install-actions { display: flex; gap: 0.6rem; flex-wrap: wrap; }

.btn {
  font-family: var(--body); font-size: 0.9rem; font-weight: 500; cursor: pointer;
  padding: 0.6rem 1.1rem; border-radius: 10px; border: 1px solid transparent; transition: all 0.18s;
}
.btn-primary {
  background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff;
  box-shadow: 0 10px 26px -10px color-mix(in oklab, var(--accent) 70%, transparent);
}
.btn-primary:hover { filter: brightness(1.1); transform: translateY(-1px); }
.btn-primary.copied { background: var(--ok); }
.btn-ghost { background: var(--panel-2); border-color: var(--edge); color: var(--text); }
.btn-ghost:hover { border-color: var(--accent); }
.hint { font-size: 0.82rem; color: var(--faint); margin-top: 1rem; }

/* ── faux terminal mock ─────────────────────────────────── */
.mock {
  border-radius: 16px; border: 1px solid var(--edge);
  background: #0c0e16; overflow: hidden;
  box-shadow: 0 40px 90px -30px rgba(0,0,0,0.85), 0 0 0 1px rgba(255,255,255,0.02),
    0 0 80px -30px color-mix(in oklab, var(--accent) 60%, transparent);
}
.mock-tabs { display: flex; gap: 2px; padding: 0.45rem 0.5rem 0; background: color-mix(in oklab, var(--panel) 70%, transparent); border-bottom: 1px solid var(--edge); }
.tab {
  display: flex; align-items: center; gap: 0.4rem; font-family: var(--mono); font-size: 0.74rem;
  color: var(--muted); padding: 0.4rem 0.7rem; border-radius: 8px 8px 0 0;
}
.tab.active { background: #0c0e16; color: var(--text); border: 1px solid var(--edge); border-bottom: none; }
.tab .d { width: 7px; height: 7px; border-radius: 50%; } .tab .d.ok { background: var(--ok); }
.tab.plus { color: var(--faint); }
.mock-bar {
  display: flex; align-items: center; gap: 0.4rem; padding: 0.5rem 0.8rem;
  border-bottom: 1px solid color-mix(in oklab, var(--edge) 70%, transparent);
}
.mock-title { font-family: var(--mono); font-size: 0.72rem; color: var(--faint); margin-left: 0.5rem; }
.live { margin-left: auto; display: flex; align-items: center; gap: 0.4rem; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.12em; color: var(--ok); }
.live i { width: 6px; height: 6px; border-radius: 50%; background: var(--ok); box-shadow: 0 0 8px var(--ok); animation: pulse 1.6s infinite; }
.mock-out {
  font-family: var(--mono); font-size: 0.8rem; line-height: 1.65; color: #cdd3e3;
  padding: 1.1rem; min-height: 16rem; white-space: pre-wrap; word-break: break-word;
}
.mock-out .c-accent { color: var(--accent); } .mock-out .c-cyan { color: var(--accent-2); }
.mock-out .c-ok { color: var(--ok); } .mock-out .c-mute { color: var(--faint); }
.caret { display: inline-block; width: 8px; height: 1.05em; background: var(--accent); vertical-align: text-bottom; animation: blink 1s step-end infinite; }
@keyframes blink { 50% { opacity: 0; } }
@keyframes pulse { 50% { opacity: 0.4; } }

/* ── pitch ──────────────────────────────────────────────── */
.pitch { max-width: 50rem; margin: 0 auto; padding: clamp(2rem, 5vw, 4rem) 1.4rem; text-align: center; }
.pitch p { font-size: clamp(1.15rem, 2.3vw, 1.55rem); font-family: var(--display); font-weight: 500; line-height: 1.4; letter-spacing: -0.01em; }
.pitch code { font-size: 0.85em; color: var(--accent-2); }
.pitch em { color: var(--accent); font-style: normal; }

/* ── sections ───────────────────────────────────────────── */
.section-title {
  font-family: var(--display); font-weight: 600; font-size: clamp(1.6rem, 3.5vw, 2.4rem);
  letter-spacing: -0.02em; text-align: center; margin-bottom: 2.5rem;
}
.features, .how, .install { max-width: 1100px; margin: 0 auto; padding: clamp(3rem, 7vw, 5.5rem) clamp(1.2rem, 5vw, 2rem); }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem; }
@media (max-width: 900px) { .grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .grid { grid-template-columns: 1fr; } }
.card {
  border: 1px solid var(--edge); border-radius: 16px; padding: 1.6rem 1.4rem;
  background: color-mix(in oklab, var(--panel) 70%, transparent); transition: transform 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-3px); border-color: color-mix(in oklab, var(--accent) 55%, var(--edge)); }
.card-ico {
  width: 44px; height: 44px; border-radius: 12px; display: grid; place-items: center; font-size: 1.25rem;
  background: color-mix(in oklab, var(--accent) 14%, transparent); color: var(--accent-2); margin-bottom: 1rem;
}
.card h3 { font-family: var(--display); font-weight: 600; font-size: 1.15rem; margin-bottom: 0.4rem; }
.card p { color: var(--muted); font-size: 0.93rem; }

/* ── how ────────────────────────────────────────────────── */
.flow { display: flex; align-items: stretch; justify-content: center; gap: 0.6rem; flex-wrap: wrap; }
.node {
  display: flex; flex-direction: column; gap: 0.25rem; align-items: center; justify-content: center;
  border: 1px solid var(--edge); border-radius: 14px; padding: 1.1rem 1.4rem; background: var(--panel);
  font-weight: 600; min-width: 9rem;
}
.node span { font-family: var(--mono); font-size: 0.68rem; color: var(--faint); font-weight: 400; }
.node.accent { border-color: color-mix(in oklab, var(--accent) 55%, var(--edge)); box-shadow: 0 0 40px -16px var(--accent); }
.arrow { display: flex; align-items: center; color: var(--accent-2); font-size: 1.2rem; }
.arrow small { font-family: var(--mono); font-size: 0.6rem; color: var(--faint); margin-left: 0.3rem; }
.how-note { text-align: center; color: var(--muted); max-width: 44rem; margin: 2.2rem auto 0; }
.how-note strong { color: var(--text); }

/* ── install section ────────────────────────────────────── */
.install-cols { display: grid; grid-template-columns: 1fr 1fr; gap: 1.2rem; }
@media (max-width: 760px) { .install-cols { grid-template-columns: 1fr; } }
.install-col { border: 1px solid var(--edge); border-radius: 16px; padding: 1.6rem; background: color-mix(in oklab, var(--panel) 70%, transparent); }
.install-col h3 { font-family: var(--display); font-weight: 600; margin-bottom: 0.9rem; }
.install-col p { color: var(--muted); font-size: 0.9rem; margin: 0.9rem 0 1.1rem; }
.mini-term { background: #0c0e16; border: 1px solid var(--edge); border-radius: 10px; padding: 0.8rem 0.9rem; overflow-x: auto; }
.mini-term code { font-size: 0.82rem; white-space: nowrap; }
.sec-note { text-align: center; color: var(--amber); font-size: 0.85rem; margin-top: 2rem; opacity: 0.85; }

/* ── footer ─────────────────────────────────────────────── */
.footer {
  border-top: 1px solid var(--edge); margin-top: 3rem;
  padding: 2.5rem clamp(1.2rem, 5vw, 4rem); display: flex; flex-wrap: wrap; gap: 1.2rem;
  align-items: center; justify-content: space-between; max-width: 1240px; margin-inline: auto;
}
.footer-links { display: flex; gap: 1.4rem; color: var(--muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--accent-2); }
.footer-fine { color: var(--faint); font-size: 0.82rem; width: 100%; }

/* ── reveal animation ───────────────────────────────────── */
.reveal { opacity: 0; transform: translateY(18px); transition: opacity 0.7s ease, transform 0.7s ease; }
.reveal.in { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
  .caret, .live i { animation: none; }
}