/* f00.sh — terminal / hacker elegance
   Sharp type, restrained palette, no purple sludge. */

:root {
  --bg: #07090c;
  --bg-elevated: #0e1218;
  --bg-panel: #11161e;
  --border: #1c2430;
  --border-strong: #2a3544;
  --text: #e8edf4;
  --text-dim: #8b97a8;
  --text-mute: #5c6778;
  --accent: #3ecf8e;
  --accent-dim: rgba(62, 207, 142, 0.14);
  --accent-hot: #5eead4;
  --warn: #e3b341;
  --code-bg: #0a0e14;
  --shadow: 0 24px 48px rgba(0, 0, 0, 0.45);
  --radius: 6px;
  --font-sans: "IBM Plex Sans", "Segoe UI", system-ui, sans-serif;
  --font-mono: "IBM Plex Mono", "JetBrains Mono", "SF Mono", ui-monospace, monospace;
  --max: 1080px;
  --header-h: 64px;
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text);
  background:
    radial-gradient(1200px 600px at 10% -10%, rgba(62, 207, 142, 0.07), transparent 55%),
    radial-gradient(900px 500px at 100% 0%, rgba(94, 234, 212, 0.04), transparent 50%),
    var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

a:hover {
  color: var(--accent-hot);
  text-decoration: underline;
  text-underline-offset: 3px;
}

code,
pre,
.mono {
  font-family: var(--font-mono);
}

/* ── layout ─────────────────────────────────────────────── */

.wrap {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

/* ── header ─────────────────────────────────────────────── */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-h);
  border-bottom: 1px solid var(--border);
  background: rgba(7, 9, 12, 0.82);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.site-header .wrap {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: 1.15rem;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.logo:hover {
  color: var(--text);
  text-decoration: none;
}

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

.logo .dot {
  color: var(--text-mute);
  font-weight: 400;
  font-size: 0.85em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 0.25rem 1.25rem;
  flex-wrap: wrap;
}

.nav a {
  color: var(--text-dim);
  font-size: 0.9rem;
  text-decoration: none;
}

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

.nav .btn-sm {
  margin-left: 0.25rem;
}

/* ── buttons ────────────────────────────────────────────── */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.45rem;
  padding: 0.65rem 1.1rem;
  border-radius: var(--radius);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  font-weight: 550;
  border: 1px solid transparent;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease, color 0.15s ease;
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--accent);
  color: #04140c;
  border-color: var(--accent);
}

.btn-primary:hover {
  background: #4fdb9d;
  color: #04140c;
}

.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: var(--border-strong);
}

.btn-ghost:hover {
  border-color: var(--accent);
  color: var(--accent);
  background: var(--accent-dim);
}

.btn-sm {
  padding: 0.4rem 0.75rem;
  font-size: 0.85rem;
}

/* ── hero ───────────────────────────────────────────────── */

.hero {
  padding: 4.5rem 0 3.5rem;
  border-bottom: 1px solid var(--border);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 2.5rem;
  align-items: center;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 1rem;
}

.eyebrow::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 1px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2.4rem, 5vw, 3.4rem);
  font-weight: 650;
  letter-spacing: -0.035em;
  line-height: 1.1;
}

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

.lead {
  margin: 0 0 1.75rem;
  font-size: 1.125rem;
  color: var(--text-dim);
  max-width: 36rem;
}

.install-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: stretch;
  margin-bottom: 1rem;
}

.install-cmd {
  flex: 1 1 280px;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.7rem 0.9rem;
  background: var(--code-bg);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text);
  overflow-x: auto;
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03);
}

.install-cmd .dollar {
  color: var(--accent);
  user-select: none;
}

.install-cmd code {
  white-space: nowrap;
}

.copy-btn {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  padding: 0.7rem 1rem;
  background: var(--bg-panel);
  color: var(--text-dim);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  cursor: pointer;
}

.copy-btn:hover,
.copy-btn.copied {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-dim);
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.25rem;
  margin-top: 1.25rem;
  font-size: 0.875rem;
  color: var(--text-mute);
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
}

.hero-meta .ok::before {
  content: "✓";
  color: var(--accent);
  font-size: 0.8em;
}

/* terminal mock */

.term {
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  box-shadow: var(--shadow);
  overflow: hidden;
}

.term-bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.65rem 0.85rem;
  background: #0a0e14;
  border-bottom: 1px solid var(--border);
}

.term-bar i {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--border-strong);
  display: block;
}

.term-bar i:nth-child(1) { background: #ff5f57; }
.term-bar i:nth-child(2) { background: #febc2e; }
.term-bar i:nth-child(3) { background: #28c840; }

.term-title {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-mute);
}

.term-body {
  margin: 0;
  padding: 1rem 1.1rem 1.2rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.55;
  color: var(--text-dim);
  overflow-x: auto;
  white-space: pre;
}

.term-body .c { color: var(--accent); }
.term-body .d { color: #79b8ff; }
.term-body .x { color: #f97583; }
.term-body .g { color: #85e89d; }
.term-body .m { color: var(--text-mute); }
.term-body .y { color: var(--warn); }
.term-body .w { color: var(--text); }

/* ── sections ───────────────────────────────────────────── */

section {
  padding: 4rem 0;
  border-bottom: 1px solid var(--border);
}

.section-head {
  margin-bottom: 2rem;
}

.section-head h2 {
  margin: 0 0 0.5rem;
  font-size: 1.65rem;
  letter-spacing: -0.025em;
  font-weight: 650;
}

.section-head p {
  margin: 0;
  color: var(--text-dim);
  max-width: 40rem;
}

/* features grid */

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
}

.card {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.25rem 1.2rem;
  transition: border-color 0.15s ease;
}

.card:hover {
  border-color: var(--border-strong);
}

.card .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--accent);
  background: var(--accent-dim);
  padding: 0.15rem 0.45rem;
  border-radius: 3px;
  margin-bottom: 0.65rem;
}

.card .tag.planned {
  color: var(--warn);
  background: rgba(227, 179, 65, 0.12);
}

.card h3 {
  margin: 0 0 0.4rem;
  font-size: 1.05rem;
  font-weight: 600;
  letter-spacing: -0.015em;
}

.card p {
  margin: 0;
  font-size: 0.92rem;
  color: var(--text-dim);
}

/* demos */

.demo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.demo {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.demo header {
  padding: 0.55rem 0.9rem;
  border-bottom: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-mute);
}

.demo pre {
  margin: 0;
  padding: 1rem;
  font-size: 0.8rem;
  line-height: 1.5;
  overflow-x: auto;
  color: var(--text-dim);
}

/* compare table */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-panel);
}

table.compare {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

table.compare th,
table.compare td {
  padding: 0.75rem 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

table.compare th {
  font-weight: 600;
  color: var(--text-dim);
  background: #0a0e14;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

table.compare tr:last-child td {
  border-bottom: none;
}

table.compare td:first-child {
  color: var(--text-mute);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

table.compare .hl {
  color: var(--accent);
  font-weight: 600;
}

/* roadmap */

.roadmap {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.roadmap li {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 0.85rem;
  align-items: start;
  padding: 1rem 1.1rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.roadmap .n {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--accent);
  min-width: 1.5rem;
}

.roadmap strong {
  display: block;
  margin-bottom: 0.15rem;
}

.roadmap span {
  color: var(--text-dim);
  font-size: 0.92rem;
}

/* docs / install anchors */

.prose-block {
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.prose-block h3 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.prose-block pre {
  margin: 0 0 1rem;
  padding: 0.9rem 1rem;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.85rem;
  color: var(--text);
}

.prose-block p {
  margin: 0 0 0.75rem;
  color: var(--text-dim);
}

.prose-block p:last-child {
  margin-bottom: 0;
}

.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

/* footer */

.site-footer {
  padding: 2.5rem 0 3rem;
  color: var(--text-mute);
  font-size: 0.875rem;
}

.site-footer .wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: flex-start;
}

.site-footer a {
  color: var(--text-dim);
}

.site-footer nav {
  display: flex;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.site-footer .copy {
  max-width: 28rem;
  line-height: 1.5;
}

/* ── responsive ─────────────────────────────────────────── */

@media (max-width: 900px) {
  .hero-grid,
  .demo-grid,
  .two-col {
    grid-template-columns: 1fr;
  }

  .features {
    grid-template-columns: 1fr 1fr;
  }

  .hero {
    padding-top: 3rem;
  }
}

@media (max-width: 560px) {
  .features {
    grid-template-columns: 1fr;
  }

  .nav a:not(.btn-sm) {
    display: none;
  }

  .install-cmd {
    font-size: 0.72rem;
  }
}