/* typeai.dev — dark, type-led UI (Runway-style surfaces, Fanout-style hero) */

/* ---------- Tokens ---------- */
:root {
  color-scheme: dark;
  --bg: #000;
  --surface: #0b0c0e;
  --surface-2: #131519;
  --surface-3: #1b1e24;
  --border: #22252c;
  --border-strong: #343944;
  --text: #fff;
  --text-2: #c4c9d3;
  --muted: #818a9d;
  --faint: #4b5262;
  --accent: #6ee7c7;
  --accent-hover: #9af1da;
  --accent-soft: rgb(110 231 199 / 0.12);
  --on-accent: #00140f;
  --danger: #ff7a7a;
  --danger-soft: rgb(255 122 122 / 0.12);
  --success: #6ee7a0;
  --success-soft: rgb(110 231 160 / 0.12);
  --warning: #f6c177;
  --warning-soft: rgb(246 193 119 / 0.12);
  --code-bg: #07080a;
  --code-text: #d7dce5;
  --code-muted: #6b7385;
  --series-1: #6ee7c7;
  --grid: #1c1f25;
  --radius: 0;
  --radius-sm: 0;
  --font: "Inter", ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif;
  --mono: "Geist Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 400 16px/1.6 var(--font);
  font-feature-settings: "cv11", "ss01";
  -webkit-font-smoothing: antialiased;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}
main { flex: 1; }
img { max-width: 100%; display: block; }
a { color: var(--text); text-underline-offset: 3px; text-decoration-color: var(--faint); }
a:hover { color: var(--accent); text-decoration-color: currentColor; }
h1, h2, h3, h4 { margin: 0 0 0.5em; font-weight: 400; }
h1 { font-size: clamp(2.6rem, 6.6vw, 5.5rem); line-height: 0.98; letter-spacing: -0.045em; }
h2 { font-size: clamp(2rem, 4.6vw, 3.75rem); line-height: 1; letter-spacing: -0.04em; }
h3 { font-size: 1.2rem; line-height: 1.35; font-weight: 500; letter-spacing: -0.01em; }
p { margin: 0 0 1em; }
strong { font-weight: 600; }
code, pre, .mono { font-family: var(--mono); }
code, pre { font-size: 0.86em; }
:not(pre) > code { background: var(--surface-3); color: var(--text-2); padding: 0.1em 0.4em; border-radius: 0; }
pre {
  background: var(--code-bg);
  color: var(--code-text);
  padding: 16px 18px;
  border-radius: 0;
  border: 1px solid var(--border);
  overflow-x: auto;
  margin: 0;
  line-height: 1.6;
}
pre .c { color: var(--code-muted); }
pre .k { color: var(--accent); }
pre .s { color: #f2c38b; }
hr { border: 0; border-top: 1px solid var(--border); margin: 32px 0; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
[id] { scroll-margin-top: 88px; }
::selection { background: var(--accent); color: var(--on-accent); }

.container { width: 100%; max-width: 1240px; margin: 0 auto; padding: 0 16px; }
@media (min-width: 640px) { .container { padding: 0 32px; } }
.narrow { max-width: 760px; }
.muted { color: var(--muted); }
.small { font-size: 0.875rem; }
.center { text-align: center; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.eyebrow { font: 500 11px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); margin-bottom: 16px; }
.lead { font-size: 1.15rem; color: var(--text-2); max-width: 620px; }
.num { font-variant-numeric: tabular-nums; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 9px 16px; border-radius: 0; border: 1px solid transparent;
  font: 600 0.95rem/1.4 var(--font); letter-spacing: 0.01em; text-decoration: none; cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s, opacity 0.15s;
  white-space: nowrap;
}
.btn-primary { background: #fff; color: #000; }
.btn-primary:hover { background: #e3e6eb; color: #000; }
.btn-dark { background: var(--surface-3); color: var(--text); border-color: var(--border-strong); }
.btn-dark:hover { background: var(--border-strong); color: var(--text); }
.btn-ghost { background: transparent; color: var(--text); border-color: rgb(255 255 255 / 0.85); }
.btn-ghost:hover { background: rgb(255 255 255 / 0.08); color: var(--text); }
.btn-danger { background: transparent; color: var(--danger); border-color: var(--border-strong); }
.btn-danger:hover { background: var(--danger-soft); color: var(--danger); }
.btn-sm { padding: 6px 12px; font-size: 0.85rem; }
.btn-lg { padding: 12px 22px; font-size: 1rem; }
.btn-block { width: 100%; }
.btn-text { color: var(--text-2); text-decoration: none; display: inline-flex; align-items: center; gap: 8px; font-weight: 500; }
.btn-text:hover { color: var(--text); }
.inline-form { display: inline; margin: 0; }
.arrow::after { content: "↗"; font-size: 0.85em; margin-left: 2px; }

/* ---------- Header ---------- */
.site-header {
  position: sticky; top: 0; z-index: 30;
  background: rgb(0 0 0 / 0.78);
  backdrop-filter: saturate(160%) blur(14px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.logo { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none; font: 600 1.05rem var(--font); letter-spacing: -0.02em; }
.logo:hover { color: var(--text); }
.logo img { width: 26px; height: 26px; border-radius: 0; }
.nav { display: flex; align-items: center; gap: 2px; flex: 1; }
.nav a { color: var(--text-2); text-decoration: none; padding: 8px 12px; border-radius: 0; font-size: 0.93rem; font-weight: 500; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--text); background: var(--surface-2); }
.nav-actions { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-toggle { display: none; margin-left: auto; background: none; border: 1px solid var(--border-strong); border-radius: 0; width: 40px; height: 40px; color: var(--text); cursor: pointer; }
@media (max-width: 860px) {
  .nav-toggle { display: grid; place-items: center; }
  .nav-panel {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    background: var(--bg); border-bottom: 1px solid var(--border);
    padding: 12px 16px 20px; flex-direction: column; align-items: stretch;
  }
  .nav-panel.open { display: flex; }
  .nav { flex-direction: column; align-items: stretch; }
  .nav a { padding: 12px; }
  .nav-actions { margin: 12px 0 0; flex-direction: column; align-items: stretch; }
  .nav-actions .btn, .nav-actions form, .nav-actions form .btn { width: 100%; }
}
@media (min-width: 861px) { .nav-panel { display: contents; } }

/* ---------- Flash ---------- */
.flashes { margin: 20px auto 0; display: grid; gap: 8px; }
.flash { padding: 12px 16px; border-radius: 0; border: 1px solid var(--border); background: var(--surface); font-size: 0.95rem; }
.flash-success { background: var(--success-soft); border-color: transparent; color: var(--success); }
.flash-error { background: var(--danger-soft); border-color: transparent; color: var(--danger); }

/* ---------- Sections ---------- */
.section { padding: 112px 0; }
.section-sm { padding: 56px 0; }
.section-head { max-width: 760px; margin-bottom: 56px; }
.section-head.center { margin-left: auto; margin-right: auto; }
.section-head p { color: var(--text-2); font-size: 1.1rem; }
.section-alt { border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); background: var(--surface); }
.page-hero { padding: 96px 0 32px; }
.page-hero h1 { font-size: clamp(2.4rem, 5.5vw, 4.5rem); }

/* ---------- Hero (Fanout structure) ---------- */
.hx { position: relative; overflow: hidden; padding: 120px 0 96px; isolation: isolate; }
.hx::before {
  content: ""; position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(60% 50% at 50% 0%, rgb(110 231 199 / 0.10), transparent 70%),
    radial-gradient(40% 40% at 85% 70%, rgb(129 138 157 / 0.10), transparent 70%);
}
.hx::after {
  content: ""; position: absolute; inset: 0; z-index: -1; pointer-events: none;
  background-image: linear-gradient(var(--grid) 1px, transparent 1px), linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(70% 60% at 50% 40%, #000 30%, transparent 75%);
  opacity: 0.55;
}
.hx-center { position: relative; z-index: 2; max-width: 1080px; margin: 0 auto; text-align: center; }
.live-pill {
  display: inline-flex; align-items: center; gap: 10px; padding: 5px 12px 5px 5px; margin-bottom: 28px;
  border: 1px solid var(--border-strong); border-radius: 0; background: rgb(11 12 14 / 0.8);
  font-size: 0.85rem; color: var(--text-2); text-decoration: none;
}
.live-pill:hover { color: var(--text); border-color: var(--muted); }
.live-tag { display: inline-flex; align-items: center; gap: 6px; padding: 2px 8px; border-radius: 0; background: var(--accent); color: var(--on-accent); font: 600 10px/1.6 var(--mono); letter-spacing: 0.08em; }
.live-tag i { width: 6px; height: 6px; border-radius: 50%; background: var(--on-accent); animation: pulse 1.6s ease-in-out infinite; }
@keyframes pulse { 50% { opacity: 0.3; } }
.hx h1 { margin-bottom: 28px; font-size: clamp(2.4rem, 5.4vw, 4.6rem); line-height: 1.02; }
.hx h1 .line { display: block; }
.chip {
  display: inline-flex; align-items: center; gap: 0.18em; vertical-align: 0.06em;
  padding: 0.04em 0.22em 0.06em 0.14em; margin: 0 0.06em;
  border: 1px solid var(--border-strong); border-radius: 0; background: var(--surface-2);
  font-size: 0.66em; letter-spacing: -0.03em; line-height: 1.15;
}
.chip-mark { width: 0.62em; height: 0.62em; border-radius: 0; background: var(--accent); transform: skewX(-12deg); flex: none; transition: background 0.3s; }
.chip-word { display: inline-block; white-space: nowrap; overflow: hidden; vertical-align: bottom; text-align: left;
  transition: opacity 0.25s, transform 0.25s, width 0.45s cubic-bezier(0.2, 0.8, 0.2, 1); }
.chip-word.out { opacity: 0; transform: translateY(-0.25em); }
.mono-accent { font-family: var(--mono); font-weight: 400; letter-spacing: -0.06em; font-size: 0.86em; color: var(--accent); }
.mono-accent .cursor { display: inline-block; width: 0.08em; height: 0.8em; margin-left: 0.04em; background: currentColor; vertical-align: -0.04em; animation: blink 1.1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.hx .lead { margin: 0 auto 32px; text-align: center; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }
.hx .hero-actions { justify-content: center; margin-bottom: 36px; }
.meta-line { font: 500 11px/1.6 var(--mono); letter-spacing: 0.12em; text-transform: uppercase; color: var(--muted); display: flex; flex-wrap: wrap; justify-content: center; gap: 6px 14px; }
.meta-line b { color: var(--text); font-weight: 500; }
.meta-line span + span::before { content: "·"; margin-right: 14px; color: var(--faint); }

/* Floating artifact cards around the hero */
.float {
  position: absolute; z-index: 1; width: 250px;
  background: rgb(11 12 14 / 0.92); border: 1px solid var(--border-strong); border-radius: 0;
  box-shadow: 0 30px 60px -20px rgb(0 0 0 / 0.8), 0 0 0 1px rgb(255 255 255 / 0.02) inset;
  padding: 14px 16px; font-size: 0.8rem; color: var(--text-2);
  animation: drift 9s ease-in-out infinite;
}
.float .f-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 10px; font: 500 10px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.float .f-title { font: 500 0.95rem/1.3 var(--font); color: var(--text); margin-bottom: 10px; letter-spacing: -0.01em; }
.f-row { display: grid; grid-template-columns: 1fr 56px 34px; gap: 8px; align-items: center; font-family: var(--mono); font-size: 11px; padding: 3px 0; }
.f-row .bar { height: 4px; border-radius: 2px; background: var(--surface-3); overflow: hidden; }
.f-row .bar i { display: block; height: 100%; background: var(--muted); border-radius: 2px; }
.f-row.hot .bar i { background: var(--danger); }
.f-row.ok .bar i { background: var(--accent); }
.f-row b { color: var(--text); font-weight: 500; text-align: right; }
.decision-tag { font: 600 10px/1.6 var(--mono); letter-spacing: 0.08em; padding: 1px 7px; border-radius: 0; }
.decision-tag.block { background: var(--danger-soft); color: var(--danger); }
.decision-tag.pass { background: var(--success-soft); color: var(--success); }
.decision-tag.review { background: var(--warning-soft); color: var(--warning); }
.float-1 { top: 92px; left: max(16px, calc(50% - 640px)); transform: rotate(-5deg); }
.float-2 { top: 360px; left: max(8px, calc(50% - 680px)); transform: rotate(3deg); animation-delay: -3s; }
.float-3 { top: 104px; right: max(16px, calc(50% - 640px)); transform: rotate(4deg); animation-delay: -5s; }
.float-4 { top: 390px; right: max(8px, calc(50% - 660px)); transform: rotate(-3deg); animation-delay: -1.5s; width: auto; padding: 10px 12px; display: flex; align-items: center; gap: 12px; background: #0e1013; }
.hud-label { font: 500 10px var(--mono); letter-spacing: 0.08em; text-transform: uppercase; background: var(--surface-3); color: var(--text-2); padding: 4px 8px; border-radius: 0; }
.segments { display: flex; gap: 3px; }
.segments i { width: 6px; height: 16px; border-radius: 0; background: var(--accent); }
.segments i.off { background: var(--border-strong); }
.hud-num { font: 500 1.05rem var(--mono); color: var(--text); letter-spacing: -0.02em; }
@keyframes drift { 50% { translate: 0 -8px; } }
@media (max-width: 1180px) { .float { display: none; } .hx { padding-top: 88px; } }
@media (prefers-reduced-motion: reduce) {
  .float, .live-tag i, .mono-accent .cursor { animation: none; }
  .chip-word { transition: none; }
}

/* ---------- Big numbers ---------- */
.numbers { display: grid; grid-template-columns: repeat(2, 1fr); border-top: 1px solid var(--border); border-left: 1px solid var(--border); }
@media (min-width: 900px) { .numbers { grid-template-columns: repeat(4, 1fr); } }
.number { padding: 28px 24px 26px; border-right: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.number-value { font-size: clamp(2.4rem, 5vw, 3.75rem); line-height: 1; letter-spacing: -0.05em; font-variant-numeric: tabular-nums; margin-bottom: 14px; }
.number-value small { font-size: 0.45em; letter-spacing: -0.02em; color: var(--muted); margin-left: 4px; }
.number-label { font-size: 0.9rem; color: var(--text-2); }
.number-note { font: 500 10px/1.5 var(--mono); letter-spacing: 0.08em; text-transform: uppercase; color: var(--muted); margin-top: 10px; }

/* ---------- Divider feature rows (Runway) ---------- */
.rows { max-width: 760px; margin: 0 auto; border-top: 1px solid var(--border); }
.row { display: grid; gap: 8px 40px; padding: 26px 0; border-bottom: 1px solid var(--border); }
@media (min-width: 720px) { .row { grid-template-columns: 1fr 1.15fr; } }
.row h3 { display: flex; align-items: center; gap: 12px; margin: 0; }
.row h3 svg { color: var(--muted); flex: none; }
.row p { margin: 0; color: var(--text-2); font-size: 0.95rem; }

/* ---------- Endpoint spec cards (Runway model cards) ---------- */
.spec-cards { display: grid; gap: 28px; }
@media (min-width: 700px) { .spec-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .spec-cards { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.spec-card { display: flex; flex-direction: column; min-width: 0; }
.spec-visual {
  position: relative; aspect-ratio: 16 / 11; border-radius: 0; overflow: hidden; margin-bottom: 18px;
  border: 1px solid var(--border); background: radial-gradient(120% 90% at 0% 0%, var(--tint, #1a3b35), #0a0b0d 65%);
  padding: 18px; display: flex; flex-direction: column; justify-content: space-between; gap: 12px;
}
.spec-visual pre { white-space: pre-wrap; word-break: break-word; background: rgb(0 0 0 / 0.45); border-color: rgb(255 255 255 / 0.06); font-size: 11px; padding: 12px 14px; line-height: 1.55; }
.spec-visual .sv-name { font-size: 1.5rem; letter-spacing: -0.03em; color: #fff; line-height: 1.1; }
.spec-visual .sv-sub { font-size: 0.85rem; color: rgb(255 255 255 / 0.7); }
.spec { margin: 0 0 16px; border-top: 1px solid var(--border); }
.spec div { display: flex; justify-content: space-between; gap: 16px; padding: 9px 0; border-bottom: 1px solid var(--border); font-size: 0.8rem; }
.spec dt { color: var(--muted); font-weight: 500; }
.spec dd { margin: 0; color: var(--text); text-align: right; font-variant-numeric: tabular-nums; }
.spec-links { display: grid; gap: 4px; margin-top: auto; font-size: 0.9rem; }
.spec-links a { text-decoration: none; color: var(--text); width: fit-content; }
.spec-links a:hover { color: var(--accent); }

/* ---------- Product mock (Runway router panel) ---------- */
.feature { display: grid; gap: 40px; align-items: center; padding: 48px 0; }
@media (min-width: 960px) { .feature { grid-template-columns: 1fr 1.25fr; gap: 72px; } .feature.flip > :first-child { order: 2; } }
.feature h2 { font-size: clamp(1.8rem, 3.2vw, 2.6rem); }
.feature p { color: var(--text-2); max-width: 480px; }
.mock {
  border-radius: 0; border: 1px solid var(--border-strong); padding: 28px;
  background: linear-gradient(160deg, #18213a, #0d1220 70%); min-height: 300px;
  display: grid; gap: 14px; align-content: center; font-size: 0.82rem;
}
.mock-flow { display: grid; gap: 12px; align-items: center; }
@media (min-width: 640px) { .mock-flow { grid-template-columns: 1fr auto 1.1fr auto 1fr; } }
.mock-col { display: grid; gap: 8px; }
.mock-label { font: 500 10px var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: #8e9cc0; }
.mock-box { background: rgb(255 255 255 / 0.06); border: 1px solid rgb(255 255 255 / 0.08); border-radius: 0; padding: 10px 12px; color: #dfe6f5; }
.mock-box .mono { font-size: 11px; color: #b7c3de; }
.mock-kv { display: flex; justify-content: space-between; gap: 10px; padding: 4px 0; }
.mock-kv span:last-child { font-family: var(--mono); font-size: 11px; background: rgb(255 255 255 / 0.08); padding: 1px 6px; border-radius: 0; }
.mock-arrow { color: #5d6b8f; text-align: center; }
@media (max-width: 639px) { .mock-arrow { transform: rotate(90deg); } }
.mock-result { border-color: rgb(255 122 122 / 0.4); background: rgb(255 122 122 / 0.08); }
.mock-ghost { opacity: 0.35; }

/* ---------- Shared components ---------- */
.code-window { background: var(--code-bg); border-radius: 0; overflow: hidden; border: 1px solid var(--border-strong); }
.code-window-bar { display: flex; align-items: center; gap: 6px; padding: 10px 14px; border-bottom: 1px solid var(--border); }
.code-window-bar i { width: 10px; height: 10px; border-radius: 50%; background: var(--border-strong); }
.code-window-bar span { margin-left: 8px; color: var(--code-muted); font: 0.8rem var(--mono); }
.code-window pre { border: 0; border-radius: 0; font-size: 0.8rem; }
.code-window .divider { height: 1px; background: var(--border); }

.grid { display: grid; gap: 20px; }
@media (min-width: 640px) { .grid-2, .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); } }
@media (min-width: 960px) { .grid-3 { grid-template-columns: repeat(3, 1fr); } .grid-4 { grid-template-columns: repeat(4, 1fr); } }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: 0; padding: 24px; }
.card h3 { margin-bottom: 8px; }
.card p:last-child { margin-bottom: 0; }
.card-icon { width: 36px; height: 36px; border-radius: 0; background: var(--surface-3); color: var(--text); display: grid; place-items: center; margin-bottom: 16px; }
.card .endpoint { font: 0.75rem var(--mono); color: var(--muted); display: block; margin-bottom: 10px; }
.card-link { color: inherit; text-decoration: none; transition: border-color 0.15s; }
.card-link:hover { border-color: var(--border-strong); color: inherit; }

.steps { counter-reset: step; display: grid; gap: 0; border-top: 1px solid var(--border); }
@media (min-width: 860px) { .steps { grid-template-columns: repeat(3, 1fr); } }
.step { position: relative; padding: 28px 28px 28px 0; }
@media (min-width: 860px) { .step + .step { padding-left: 28px; border-left: 1px solid var(--border); } }
.step::before { counter-increment: step; content: "0" counter(step); display: block; font: 500 12px var(--mono); color: var(--accent); letter-spacing: 0.1em; margin-bottom: 18px; }
.step p { color: var(--text-2); }

.check-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 12px; }
.check-list li { padding-left: 26px; position: relative; color: var(--text-2); }
.check-list li strong { color: var(--text); }
.check-list li::before { content: ""; position: absolute; left: 2px; top: 0.5em; width: 12px; height: 7px; border-left: 1.5px solid var(--accent); border-bottom: 1.5px solid var(--accent); transform: rotate(-45deg); }

.cta-band {
  position: relative; overflow: hidden; border: 1px solid var(--border-strong); border-radius: 0; padding: 56px 40px;
  background: radial-gradient(70% 120% at 100% 0%, rgb(110 231 199 / 0.14), transparent 60%), var(--surface);
  display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px;
}
.cta-band h2 { margin: 0 0 8px; font-size: clamp(1.8rem, 3.5vw, 2.8rem); }
.cta-band p { margin: 0; color: var(--text-2); }

.split { display: grid; gap: 48px; }
@media (min-width: 900px) { .split { grid-template-columns: 1fr 1fr; align-items: start; } }

.flow { display: grid; gap: 12px; align-items: stretch; }
@media (min-width: 860px) { .flow { grid-template-columns: 1fr auto 1fr auto 1fr auto 1fr; align-items: center; } }
.flow-node { background: var(--surface); border: 1px solid var(--border); border-radius: 0; padding: 16px; }
.flow-node strong { display: block; margin-bottom: 4px; font-weight: 500; }
.flow-node span { font-size: 0.85rem; color: var(--muted); }
.flow-node.accent { border-color: rgb(110 231 199 / 0.5); background: var(--accent-soft); }
.flow-arrow { color: var(--faint); text-align: center; font-size: 1.25rem; }
@media (max-width: 859px) { .flow-arrow { transform: rotate(90deg); } }

.faq details { border-bottom: 1px solid var(--border); padding: 20px 0; }
.faq summary { cursor: pointer; font-weight: 500; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; color: var(--muted); font-size: 1.25rem; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin: 12px 0 0; color: var(--text-2); }

.tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 20px; }
.tab { background: transparent; border: 1px solid var(--border-strong); color: var(--text-2); border-radius: 0; padding: 6px 14px; font: 500 0.875rem var(--font); cursor: pointer; text-decoration: none; }
.tab:hover { color: var(--text); }
.tab[aria-selected="true"] { background: #fff; color: #000; border-color: #fff; }
.tab-panel[hidden] { display: none; }

/* ---------- Forms ---------- */
.form { display: grid; gap: 18px; }
.field { display: grid; gap: 6px; }
.field label, .label { font-weight: 500; font-size: 0.88rem; color: var(--text-2); }
.field .hint { font-size: 0.8rem; color: var(--muted); }
.field .error, .form-error { font-size: 0.85rem; color: var(--danger); }
.form-error { background: var(--danger-soft); padding: 10px 14px; border-radius: 0; }
input[type="text"], input[type="email"], input[type="password"], input[type="search"], select, textarea {
  width: 100%; padding: 11px 14px; border: 1px solid var(--border-strong); border-radius: 0;
  background: var(--surface-2); color: var(--text); font: inherit; font-size: 1rem;
}
input::placeholder, textarea::placeholder { color: var(--faint); }
input:disabled { opacity: 0.6; }
textarea { min-height: 140px; resize: vertical; }
textarea.code { font-family: var(--mono); font-size: 0.85rem; min-height: 320px; line-height: 1.5; background: var(--code-bg); }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.field.has-error input, .field.has-error textarea, .field.has-error select { border-color: var(--danger); }
.checkbox { display: flex; gap: 10px; align-items: flex-start; font-size: 0.9rem; font-weight: 400; }
.checkbox input { margin-top: 4px; accent-color: var(--accent); }
.hp { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.form-row { display: flex; gap: 10px; flex-wrap: wrap; }
.form-row > input { flex: 1; min-width: 200px; }

/* ---------- Auth ---------- */
.auth-wrap { display: grid; place-items: center; padding: 72px 16px; }
.auth-card { width: 100%; max-width: 420px; }
.auth-card h1 { font-size: 2.2rem; letter-spacing: -0.04em; }
.auth-alt { text-align: center; margin-top: 20px; font-size: 0.9rem; color: var(--muted); }

/* ---------- App shell (dashboard/admin) ---------- */
.app-shell { display: grid; grid-template-columns: minmax(0, 1fr); gap: 24px; padding-top: 32px; padding-bottom: 64px; }
.app-shell > * { min-width: 0; }
@media (min-width: 900px) { .app-shell { grid-template-columns: 210px minmax(0, 1fr); gap: 40px; } }
.side-nav { display: flex; gap: 4px; overflow-x: auto; padding-bottom: 4px; }
@media (min-width: 900px) { .side-nav { flex-direction: column; position: sticky; top: 96px; align-self: start; overflow: visible; } }
.side-nav a { color: var(--text-2); text-decoration: none; padding: 8px 12px; border-radius: 0; white-space: nowrap; font-size: 0.93rem; }
.side-nav a:hover { background: var(--surface-2); color: var(--text); }
.side-nav a[aria-current="page"] { background: var(--surface-2); color: var(--text); font-weight: 500; box-shadow: inset 0 0 0 1px var(--border-strong); }
.side-nav .side-label { font: 500 10px var(--mono); text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); padding: 18px 12px 6px; display: none; }
@media (min-width: 900px) { .side-nav .side-label { display: block; } }
.app-main { min-width: 0; }
.app-head { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 28px; }
.app-head h1 { font-size: 2.25rem; letter-spacing: -0.04em; margin: 0; }
.app-head p { margin: 6px 0 0; color: var(--muted); }
.panel { background: var(--surface); border: 1px solid var(--border); border-radius: 0; padding: 24px; margin-bottom: 24px; }
.panel-head { display: flex; justify-content: space-between; align-items: baseline; gap: 12px; margin-bottom: 18px; flex-wrap: wrap; }
.panel-head h2 { font-size: 1.05rem; letter-spacing: -0.01em; font-weight: 500; margin: 0; }
.badge { display: inline-block; font: 500 11px/1.6 var(--mono); letter-spacing: 0.02em; padding: 1px 8px; border-radius: 0; background: var(--surface-3); color: var(--text-2); }
.badge-success { background: var(--success-soft); color: var(--success); }
.badge-danger { background: var(--danger-soft); color: var(--danger); }
.badge-accent { background: var(--accent-soft); color: var(--accent); }
.badge-warning { background: var(--warning-soft); color: var(--warning); }

/* ---------- Stat tiles ---------- */
.stats { display: grid; gap: 1px; grid-template-columns: repeat(2, 1fr); margin-bottom: 24px; background: var(--border); border: 1px solid var(--border); border-radius: 0; overflow: hidden; }
@media (min-width: 960px) { .stats { grid-template-columns: repeat(4, 1fr); } }
.stat { background: var(--surface); padding: 20px 22px; }
.stat-label { font: 500 10px/1.4 var(--mono); letter-spacing: 0.1em; text-transform: uppercase; color: var(--muted); }
.stat-value { font-size: 2.1rem; letter-spacing: -0.04em; margin-top: 10px; font-variant-numeric: tabular-nums; line-height: 1; }

/* ---------- Bar chart ---------- */
.chart { position: relative; }
.chart-plot { position: relative; height: 180px; margin-left: 36px; border-bottom: 1px solid var(--border-strong); }
.chart-grid { position: absolute; inset: 0; pointer-events: none; }
.chart-grid div { position: absolute; left: 0; right: 0; border-top: 1px solid var(--grid); }
.chart-grid span { position: absolute; left: -36px; width: 30px; text-align: right; transform: translateY(-50%); font: 10px var(--mono); color: var(--muted); }
.chart-bars { position: absolute; inset: 0; display: flex; align-items: flex-end; gap: 2px; }
.chart-bar { flex: 1; height: 100%; display: flex; align-items: flex-end; position: relative; outline: none; }
.chart-bar i { display: block; width: 100%; max-width: 28px; margin: 0 auto; background: var(--series-1); border-radius: 4px 4px 0 0; }
.chart-bar:hover i, .chart-bar:focus-visible i { filter: brightness(1.2); }
.chart-bar::after {
  content: attr(data-tip); position: absolute; bottom: calc(100% + 6px); left: 50%; transform: translateX(-50%);
  background: #fff; color: #000; font: 500 11px var(--mono); padding: 4px 8px; border-radius: 0; white-space: nowrap;
  display: none; pointer-events: none; z-index: 2;
}
.chart-bar:hover::after, .chart-bar:focus-visible::after { display: block; }
/* Keep tooltips on the outermost bars inside the chart. */
.chart-bar:nth-child(-n+3)::after { left: 0; transform: none; }
.chart-bar:nth-last-child(-n+3)::after { left: auto; right: 0; transform: none; }
.chart-bar:focus-visible { box-shadow: inset 0 0 0 2px var(--accent); border-radius: 0; }
.chart-x { display: flex; justify-content: space-between; margin: 8px 0 0 36px; font: 10px var(--mono); color: var(--muted); }
.chart-empty { position: absolute; inset: 0; display: grid; place-items: center; color: var(--muted); font-size: 0.9rem; }
.chart-table summary { cursor: pointer; font-size: 0.85rem; color: var(--muted); margin-top: 14px; }

/* ---------- Tables ---------- */
.table-wrap { overflow-x: auto; margin: 0 -24px; padding: 0 24px; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th { text-align: left; font: 500 10px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: 0.1em; padding: 10px 12px; border-bottom: 1px solid var(--border); white-space: nowrap; }
td { padding: 12px; border-bottom: 1px solid var(--border); vertical-align: top; color: var(--text-2); }
td a { color: var(--text); }
tr:last-child td { border-bottom: 0; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.actions { text-align: right; white-space: nowrap; }
.empty { text-align: center; color: var(--muted); padding: 32px 12px; }
td.mono { font-size: 0.82rem; }

/* ---------- Key reveal ---------- */
.key-reveal { background: var(--accent-soft); border: 1px solid rgb(110 231 199 / 0.35); border-radius: 0; padding: 20px; margin-bottom: 24px; }
.key-reveal p { margin: 0 0 12px; }
.key-box { display: flex; gap: 8px; align-items: stretch; flex-wrap: wrap; }
.key-box code { flex: 1; min-width: 0; background: var(--code-bg); padding: 10px 12px; border-radius: 0; overflow-wrap: anywhere; font-size: 0.85rem; border: 1px solid var(--border-strong); color: var(--text); }

/* ---------- Playground ---------- */
.pg-grid { display: grid; gap: 24px; }
@media (min-width: 1100px) { .pg-grid { grid-template-columns: 1fr 1fr; } }
.pg-output pre { min-height: 320px; max-height: 560px; overflow: auto; font-size: 0.8rem; }
.pg-meta { display: flex; gap: 12px; align-items: center; font-size: 0.85rem; color: var(--muted); min-height: 28px; }
.decision { font: 600 11px var(--mono); text-transform: uppercase; letter-spacing: 0.08em; color: var(--text); }

/* ---------- Prose (legal pages) ---------- */
.prose { max-width: 760px; color: var(--text-2); }
.prose h2 { font-size: 1.35rem; letter-spacing: -0.02em; margin-top: 2.2em; color: var(--text); }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: 0.4em; }
.prose strong { color: var(--text); }

/* ---------- Footer ---------- */
.site-footer { border-top: 1px solid var(--border); margin-top: 96px; padding: 64px 0 28px; font-size: 0.9rem; color: var(--muted); overflow: hidden; }
.footer-grid { display: grid; gap: 32px; grid-template-columns: repeat(2, 1fr); }
@media (min-width: 860px) { .footer-grid { grid-template-columns: 1.6fr repeat(4, 1fr); } }
.footer-brand { grid-column: 1 / -1; }
@media (min-width: 860px) { .footer-brand { grid-column: auto; } }
.footer-brand .logo { margin-bottom: 14px; }
.footer-brand p { max-width: 300px; }
.site-footer h4 { color: var(--text); font: 500 10px var(--mono); text-transform: uppercase; letter-spacing: 0.12em; margin-bottom: 16px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.site-footer a { color: var(--text-2); text-decoration: none; }
.site-footer a:hover { color: var(--text); }
.footer-bottom { border-top: 1px solid var(--border); margin-top: 48px; padding-top: 24px; display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; font-size: 0.82rem; }
.footer-word { font-size: clamp(4rem, 17vw, 15rem); line-height: 0.8; letter-spacing: -0.07em; color: var(--surface-2); margin: 56px 0 -8px; user-select: none; white-space: nowrap; }

/* ---------- Error ---------- */
.error-page { text-align: center; padding: 120px 16px; }
.error-code { font: 400 5rem/1 var(--mono); color: var(--accent); letter-spacing: -0.06em; margin: 0 0 16px; }