/* Base */
*, *::before, *::after { box-sizing: border-box; }
html { color-scheme: dark; -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background: var(--c-stage);
  color: var(--c-text);
  font: 400 var(--body-size)/1.6 var(--f-body);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
}
img, svg, video, iframe { display: block; max-width: 100%; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--c-orange); outline-offset: 3px; border-radius: 4px; }
::selection { background: var(--c-orange); color: var(--c-stage); }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip-link { position: absolute; left: var(--gutter); top: -100px; z-index: 10; background: var(--c-orange); color: var(--c-stage); padding: 8px 16px; border-radius: 999px; font-weight: 500; text-decoration: none; }
.skip-link:focus { top: 12px; }

/* Buttons: outlined ghost pills; one primary. */
.btn {
  display: inline-flex; align-items: center; gap: .5em;
  min-height: 48px; padding: 0 24px;
  border: 1px solid color-mix(in srgb, var(--c-text) 40%, transparent);
  border-radius: 999px;
  color: var(--c-text); background: transparent;
  font: 500 16px/1 var(--f-body); text-decoration: none; white-space: nowrap;
  transition: border-color .2s, background-color .2s, color .2s;
}
.btn:hover { border-color: var(--c-text); background: color-mix(in srgb, var(--c-text) 8%, transparent); }
.btn--primary { background: var(--c-orange); border-color: var(--c-orange); color: var(--c-stage); }
.btn--primary:hover { background: #FF7341; border-color: #FF7341; }
.btn--small { min-height: 40px; padding: 0 18px; font-size: 15px; }
.btn .arrow { transition: transform .2s var(--ease-out); }
.btn:hover .arrow { transform: translateX(3px); }

/* Eyebrow: { name } in mono. */
.eyebrow {
  display: inline-block; margin: 0 0 16px;
  font: 400 14px/1.4 var(--f-mono); letter-spacing: .02em; color: var(--accent, var(--c-muted));
}

/* Sections */
.wrap { width: 100%; max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: clamp(80px, 12vw, 160px) 0; overflow-x: clip; }
.hairline { border: 0; border-top: 1px solid var(--c-line); margin: 0; }
h1, h2, h3 { font-family: var(--f-display); font-weight: 800; letter-spacing: -0.03em; line-height: .95; margin: 0; text-wrap: balance; }
h2 { font-size: var(--h2-size); }
h3 { font-size: var(--h3-size); letter-spacing: -0.02em; line-height: 1.1; }
p { margin: 0 0 1em; }
.muted { color: var(--c-muted); }
code, pre { font-family: var(--f-mono); font-size: .9em; }

[data-category="formats"] { --accent: var(--c-formats); }
[data-category="brand"] { --accent: var(--c-brand); }
[data-category="store"] { --accent: var(--c-store); }
[data-category="lang"] { --accent: var(--c-lang); }
[data-category="agent"] { --accent: var(--c-agent); }
.small { font-size: 14px; }

/* Header */
.site-header { position: absolute; inset: 0 0 auto; z-index: 5; }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 88px; }
.site-header__logo img { width: clamp(150px, 16vw, 200px); height: auto; }
.site-nav { display: flex; align-items: center; gap: clamp(12px, 2.4vw, 32px); margin: 0; padding: 0; list-style: none; font-size: 15px; }
.site-nav a:not(.btn) { text-decoration: none; color: var(--c-muted); }
.site-nav a:not(.btn):hover { color: var(--c-text); }
@media (max-width: 640px) { .site-nav li:not(:last-child):not(.site-nav__keep) { display: none; } }

/* Composition figures: the poster sits under the live iframe and stays when the runtime fails. */
.comp { margin: 0; position: relative; }
.comp-stage { position: relative; overflow: hidden; border-radius: var(--radius); background: var(--c-stage); }
.comp--16x9 .comp-stage { aspect-ratio: 16 / 9; }
.comp--1x1 .comp-stage { aspect-ratio: 1; }
.comp--9x16 .comp-stage { aspect-ratio: 9 / 16; }
.comp--4x5 .comp-stage { aspect-ratio: 4 / 5; }
.comp .poster, .comp iframe { position: absolute; inset: 0; width: 100%; height: 100%; border: 0; }
.comp .poster { object-fit: cover; transition: opacity .4s ease .15s; }
/* The runtime page is color-scheme normal: matching it keeps Chrome from painting an opaque white backdrop. */
.comp iframe { background: transparent; color-scheme: normal; }
.comp.is-ready .poster { opacity: 0; }
.comp figcaption { margin-top: 10px; font: 400 13px/1.4 var(--f-mono); color: var(--c-muted); }

/* Install */
.install__inner { display: grid; grid-template-columns: minmax(0, 1fr); gap: 40px; }
.install__head h2 { margin-bottom: 16px; }
.install__ways { display: grid; grid-template-columns: minmax(0, 1fr); gap: 1px; background: var(--c-line); border: 1px solid var(--c-line); border-radius: var(--radius); overflow: hidden; }
.way { background: var(--c-stage); padding: clamp(20px, 3vw, 32px); }
.way h3 { margin-bottom: 8px; }
.way p { margin-bottom: .5em; }
.code { margin: 16px 0 12px; padding: 18px 20px; overflow-x: auto; white-space: pre-wrap; overflow-wrap: anywhere; border-radius: 14px; background: var(--c-surface); border: 1px solid var(--c-line); color: var(--c-text); font-size: 14px; line-height: 1.7; }
.reqs { margin: 0; padding-left: 1.1em; }
.way__download { margin: 6px 0 18px; }
.reqs li::marker { color: var(--c-orange); }
@media (min-width: 900px) {
  .install__inner { grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); }
  .install__ways { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .way--main { grid-row: span 2; }
}

/* Footer */
.site-footer { border-top: 1px solid var(--c-line); padding: 48px 0 56px; }
.site-footer__inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 24px; }
.site-footer__links { display: flex; flex-wrap: wrap; gap: 20px; margin: 0; padding: 0; list-style: none; }
.site-footer__links a { color: var(--c-muted); text-decoration: none; }
.site-footer__links a:hover { color: var(--c-text); }
.site-footer p { flex-basis: 100%; margin: 0; }