/*
 * WarpHold site — the Kinetic design system from the product UI
 * (warphold-ui: src/design/tokens.css + fonts.css), reduced to plain CSS.
 * No framework, no build step, no third-party request.
 */

/* Self-hosted OFL fonts — see assets/fonts/OFL-*.txt. */
@font-face {
  font-family: Unbounded;
  src: url("assets/fonts/Unbounded-Variable.woff2") format("woff2-variations");
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Space Grotesk";
  src: url("assets/fonts/SpaceGrotesk-Variable.woff2") format("woff2-variations");
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}
@font-face {
  font-family: "Space Mono";
  src: url("assets/fonts/SpaceMono-Regular.woff2") format("woff2");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

:root {
  --ground: #16181d;
  --panel: #1d2027;
  --line: #2a2e36;
  --line-strong: #3a3f49;
  --ink: #f2f3f5;
  --ink-soft: #c7cbd4;
  --muted: #9aa0ad;
  --dim: #6d7381;
  --ember: #ff6a1a;
  --ember-soft: #ff8a4c;
  --ember-hover: #ffb089;
  --good: #2fbf83;
  --bad: #ff5d5d;
  --font-display: "Unbounded", "Space Grotesk", system-ui, sans-serif;
  --font-body: "Space Grotesk", system-ui, sans-serif;
  --font-mono: "Space Mono", ui-monospace, monospace;
  --radius: 4px;
  --shell: 1080px;
  color-scheme: dark;
}

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

body {
  margin: 0;
  background: var(--ground);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-text-size-adjust: 100%;
}

a { color: var(--ember-soft); text-decoration: none; }
a:hover { color: var(--ember-hover); }
/* Links inside prose are underlined, so colour is never the only cue. */
p a, li a, figcaption a { text-decoration: underline; text-underline-offset: 3px; }
:focus-visible { outline: 2px solid var(--ember); outline-offset: 2px; }

img, svg { max-width: 100%; }
img { height: auto; display: block; }

.skip {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--ember);
  color: var(--ground);
  padding: 10px 16px;
  font-weight: 600;
  z-index: 10;
}
.skip:focus { left: 0; }

.shell { max-width: var(--shell); margin: 0 auto; padding: 0 24px; }

/* ---- header ---- */

.top {
  border-bottom: 1px solid var(--line);
  background: var(--ground);
}
.top .shell {
  display: flex;
  align-items: center;
  gap: 28px;
  flex-wrap: wrap;
  padding-top: 18px;
  padding-bottom: 18px;
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--ink); }
.brand:hover { color: var(--ink); text-decoration: none; }
.brand img { width: 26px; height: 26px; }
.brand span {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.02em;
}
.tabs { display: flex; gap: 22px; }
.tabs a {
  color: var(--muted);
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding-bottom: 4px;
  border-bottom: 2px solid transparent;
}
.tabs a:hover { color: var(--ink); text-decoration: none; }
.tabs a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--ember); }
.top .repo { margin-left: auto; font-size: 13px; }

/* ---- hero ---- */

.hero { position: relative; overflow: hidden; border-bottom: 1px solid var(--line); }
.hero::before {
  content: "";
  position: absolute;
  left: -18%;
  top: 0;
  width: 52%;
  height: 100%;
  background: var(--panel);
  transform: skewX(-12deg);
  pointer-events: none;
}
.hero .shell { position: relative; padding-top: 72px; padding-bottom: 64px; }
.hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(38px, 8vw, 72px);
  line-height: 0.98;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
}
.hero h1 .slash { color: var(--ember); }
.hero p.lede {
  font-size: clamp(17px, 2.4vw, 21px);
  color: var(--ink-soft);
  max-width: 46ch;
  margin: 20px 0 0;
}

.eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0;
}

/* ---- sections ---- */

main section { border-bottom: 1px solid var(--line); }
main section .shell { padding-top: 56px; padding-bottom: 56px; }
h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 4vw, 32px);
  line-height: 1.15;
  letter-spacing: -0.01em;
  margin: 10px 0 0;
}
h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 17px;
  margin: 0 0 6px;
}
p { max-width: 68ch; }
section p:first-of-type { margin-top: 14px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-top: 28px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--ember);
  border-radius: var(--radius);
  padding: 18px 20px;
}
.card p { margin: 0; color: var(--ink-soft); font-size: 15px; }

ul.plain { list-style: none; padding: 0; margin: 20px 0 0; max-width: 68ch; }
ul.plain li {
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  display: flex;
  gap: 14px;
  align-items: baseline;
}
ul.plain li:last-child { border-bottom: 0; }
ul.plain li b { font-weight: 600; }
ul.plain li .n {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ember);
  flex: 0 0 22px;
}

/* ---- figures ---- */

figure { margin: 28px 0 0; }
figure img {
  width: 100%;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--panel);
}
figcaption {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--muted);
  margin-top: 10px;
}
figure.phone { max-width: 300px; }

/* ---- install block ---- */

.install {
  margin-top: 26px;
  background: var(--panel);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
}
.install .bar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 14px;
  border-bottom: 1px solid var(--line);
}
.install .bar .eyebrow { flex: 1 1 auto; max-width: none; }
.install .bar button.copy { margin-left: auto; }
.install pre {
  margin: 0;
  padding: 16px 14px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink);
}
.install pre::before { content: "$ "; color: var(--ember); }
button.copy {
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  color: var(--ink-soft);
  font: inherit;
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  padding: 6px 12px;
  cursor: pointer;
}
button.copy:hover { border-color: var(--ember); color: var(--ink); }
.note { color: var(--muted); font-size: 14px; margin-top: 12px; }

/* ---- footer ---- */

footer .shell { padding-top: 40px; padding-bottom: 56px; }
footer p { color: var(--muted); font-size: 14px; margin: 0 0 10px; max-width: 72ch; }
footer nav { display: flex; gap: 18px; flex-wrap: wrap; font-size: 14px; margin-bottom: 14px; }

@media (max-width: 480px) {
  .top .shell { gap: 16px; }
  .top .repo { margin-left: 0; }
  .hero .shell { padding-top: 48px; padding-bottom: 44px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}