/* BoomX Origins — site styles. Print-inspired: paper, ink, one signal colour. */
:root {
  --paper: #f3eee4;
  --paper-2: #e9e2d4;
  --paper-3: #ded5c3;
  --ink: #1c1a16;
  --ink-2: #3d3a33;
  --muted: #6f695d;
  --rule: #cfc5b1;
  --accent: #d2461b;
  --accent-dark: #a9360f;
  --olive: #56603d;
  --wrap: 1120px;
  --display: "Barlow Condensed", "Arial Narrow", sans-serif;
  --ui: "Barlow", "Segoe UI", system-ui, sans-serif;
  --serif: "Source Serif 4", Georgia, "Times New Roman", serif;
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font: 17px/1.6 var(--ui);
  overflow-x: hidden;
}
img, svg { max-width: 100%; display: block; }
a { color: var(--accent-dark); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--accent); text-decoration-thickness: 2px; }
::selection { background: var(--ink); color: var(--paper); }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

.sky { display: none; }
.wrap { width: min(var(--wrap), 100% - 32px); margin-inline: auto; }

/* ---------- header ---------- */
.site-header { background: var(--paper); border-bottom: 2px solid var(--ink); position: sticky; top: 0; z-index: 50; }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 16px; height: 62px; }
.brand { flex: none; display: flex; align-items: center; gap: 10px; white-space: nowrap; color: var(--ink); text-decoration: none; font: 800 24px/1 var(--display); text-transform: uppercase; letter-spacing: .5px; }
.brand:hover { color: var(--ink); }
.brand img { width: 30px; height: 30px; }
.brand b { color: var(--accent); font-weight: 800; }
.nav { display: flex; align-items: center; gap: 22px; min-width: 0; }
.nav a { white-space: nowrap; color: var(--ink-2); text-decoration: none; font-weight: 600; font-size: 15px; padding: 4px 0; border-bottom: 2px solid transparent; }
.nav a:hover { color: var(--ink); border-bottom-color: var(--ink); }
.nav a[aria-current="page"] { color: var(--ink); border-bottom-color: var(--accent); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 12px 20px; border: 2px solid var(--ink); border-radius: 3px;
  background: var(--paper); color: var(--ink); text-decoration: none;
  font: 700 16px/1.1 var(--ui);
  box-shadow: 4px 4px 0 var(--ink);
  transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { color: var(--ink); transform: translate(-1px, -1px); box-shadow: 5px 5px 0 var(--ink); }
.btn:active { transform: translate(3px, 3px); box-shadow: 1px 1px 0 var(--ink); }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { color: #fff; }
.btn small { display: block; font-size: 12px; font-weight: 500; opacity: .85; margin-bottom: 2px; }
.btn[aria-disabled="true"] { opacity: .5; pointer-events: none; }
.cta { display: flex; flex-wrap: wrap; gap: 16px; }

/* ---------- labels ---------- */
.eyebrow {
  display: inline-block; font: 700 13px/1 var(--ui); letter-spacing: 2px; text-transform: uppercase;
  color: var(--accent-dark); padding-bottom: 6px; border-bottom: 2px solid var(--accent);
}

/* ---------- home: hero ---------- */
.hero { padding: 64px 0 72px; border-bottom: 2px solid var(--ink); }
.hero-grid { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; }
.hero h1 {
  margin: 18px 0 18px;
  font: 800 clamp(64px, 9vw, 124px)/.88 var(--display); text-transform: uppercase; letter-spacing: -1px;
}
.hero h1 .glow { color: var(--accent); display: block; }
.hero p.lead { margin: 0 0 30px; max-width: 30em; font-size: 19px; color: var(--ink-2); }
.hero .note { margin-top: 18px; font-size: 14px; color: var(--muted); }

.plate { margin: 0; border: 2px solid var(--ink); background: var(--paper-2); }
.plate figcaption { display: flex; justify-content: space-between; gap: 12px; padding: 8px 12px; border-top: 2px solid var(--ink); font: 600 12px/1.3 var(--ui); letter-spacing: 1px; text-transform: uppercase; color: var(--ink-2); }
.arena { aspect-ratio: 5 / 3; }
.arena svg { width: 100%; height: 100%; }
.shell { offset-path: path("M146 202 C 240 30, 380 30, 440 186"); animation: fly 3.4s cubic-bezier(.45,.05,.55,.95) infinite; }
@keyframes fly { 0% { offset-distance: 0%; opacity: 0; } 6% { opacity: 1; } 92% { opacity: 1; } 100% { offset-distance: 100%; opacity: 0; } }
.boom { transform-box: fill-box; transform-origin: center; animation: boom 3.4s ease-out infinite; }
@keyframes boom { 0%, 89% { transform: scale(0); opacity: 0; } 93% { transform: scale(1); opacity: 1; } 100% { transform: scale(1.4); opacity: 0; } }

/* ---------- home: sections ---------- */
section { padding: 72px 0; }
.section-title { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 24px 48px; align-items: end; margin-bottom: 40px; }
.section-title h2 { margin: 0; font: 800 clamp(40px, 5.5vw, 64px)/.95 var(--display); text-transform: uppercase; }
.section-title p { margin: 0; color: var(--ink-2); font-size: 18px; }

.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; }
.card { padding: 22px 0 30px; border-top: 2px solid var(--ink); }
.card .num { font: 700 14px/1 var(--ui); letter-spacing: 1px; color: var(--accent); }
.card h3 { margin: 10px 0 8px; font: 700 28px/1.05 var(--display); text-transform: uppercase; }
.card p { margin: 0; color: var(--ink-2); }

.banner-band { background: var(--ink); color: var(--paper); padding: 64px 0; }
.banner { display: grid; grid-template-columns: minmax(0, 1.4fr) auto; gap: 32px; align-items: center; }
.banner h2 { margin: 0 0 10px; font: 800 clamp(38px, 5vw, 60px)/.95 var(--display); text-transform: uppercase; }
.banner p { margin: 0; color: #cfc8ba; font-size: 18px; max-width: 34em; }
.banner .btn { border-color: var(--paper); box-shadow: 4px 4px 0 var(--accent); background: var(--paper); }
.banner .btn:hover { box-shadow: 5px 5px 0 var(--accent); }

/* ---------- footer ---------- */
.site-footer { border-top: 2px solid var(--ink); padding: 28px 0 40px; font-size: 14px; color: var(--muted); }
.banner-band + .site-footer { border-top: 0; }
.site-footer .wrap { display: flex; flex-wrap: wrap; gap: 14px 32px; justify-content: space-between; align-items: center; }
.site-footer nav { display: flex; flex-wrap: wrap; gap: 6px 22px; }
.site-footer a { color: var(--ink-2); text-decoration: none; }
.site-footer a:hover { color: var(--ink); text-decoration: underline; }

/* ---------- legal pages ---------- */
.legal-hero { padding: 56px 0 8px; margin-bottom: 40px; }
.legal-hero h1 { margin: 16px 0 14px; overflow-wrap: anywhere; font: 800 clamp(52px, 8vw, 96px)/.9 var(--display); text-transform: uppercase; }
.legal-hero h1 span { color: var(--accent); }
.legal-hero p { margin: 0; max-width: 40em; font: 19px/1.6 var(--serif); color: var(--ink-2); }
.meta { display: flex; flex-wrap: wrap; gap: 6px 28px; margin-top: 22px; font-size: 14px; color: var(--muted); }
.chip { max-width: 100%; }
.chip b { color: var(--ink); font-weight: 600; }

.summary { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0 28px; margin: 0 0 48px; padding: 22px 0 4px; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--rule); position: relative; }
.summary::before { content: "In short"; position: absolute; top: -12px; left: 0; padding-right: 10px; background: var(--paper); font: 700 12px/24px var(--ui); letter-spacing: 2px; text-transform: uppercase; color: var(--accent-dark); }
.summary div { padding-bottom: 16px; }
.summary b { display: block; margin-bottom: 4px; font: 700 20px/1.1 var(--display); text-transform: uppercase; }
.summary span { color: var(--ink-2); font-size: 15px; }

.legal { display: grid; grid-template-columns: 240px minmax(0, 1fr); gap: 56px; align-items: start; padding-bottom: 56px; }
.toc { position: sticky; top: 84px; max-height: calc(100vh - 100px); overflow: auto; font-size: 14.5px; }
.toc h2 { margin: 0 0 10px; font: 700 12px/1 var(--ui); letter-spacing: 2px; text-transform: uppercase; color: var(--muted); }
.toc ol { list-style: none; margin: 0; padding: 0; counter-reset: toc; border-left: 2px solid var(--rule); }
.toc li { counter-increment: toc; }
.toc a { display: flex; gap: 10px; padding: 5px 0 5px 14px; margin-left: -2px; border-left: 2px solid transparent; color: var(--ink-2); text-decoration: none; line-height: 1.35; }
.toc a::before { content: counter(toc); min-width: 1.4em; color: var(--muted); font-variant-numeric: tabular-nums; }
.toc a:hover { color: var(--ink); }
.toc a.active { color: var(--ink); font-weight: 600; border-left-color: var(--accent); }
.toc a.active::before { color: var(--accent); }

.doc { min-width: 0; max-width: 46em; font: 18px/1.7 var(--serif); }
.doc section { padding: 0; scroll-margin-top: 84px; }
.doc section + section { margin-top: 44px; }
.doc h2 { display: flex; align-items: baseline; gap: 14px; margin: 0 0 12px; padding-top: 14px; border-top: 1px solid var(--rule); font: 700 30px/1.1 var(--display); text-transform: uppercase; letter-spacing: .2px; }
.doc h2 .n { font: 600 16px/1 var(--ui); color: var(--accent); letter-spacing: 1px; }
.doc h3 { margin: 26px 0 6px; font: 700 15px/1.3 var(--ui); letter-spacing: 1.2px; text-transform: uppercase; color: var(--ink); }
.doc p { margin: 0 0 14px; }
.doc ul, .doc ol { padding-left: 22px; margin: 0 0 14px; }
.doc li { margin: 6px 0; }
.doc li::marker { color: var(--muted); }
.doc strong { font-weight: 650; }

.table-wrap { overflow-x: auto; margin: 16px 0 20px; border-top: 2px solid var(--ink); border-bottom: 2px solid var(--ink); }
table { width: 100%; border-collapse: collapse; min-width: 540px; font: 15.5px/1.5 var(--ui); }
th, td { text-align: left; vertical-align: top; padding: 10px 14px 10px 0; border-bottom: 1px solid var(--rule); }
th { font-size: 12px; letter-spacing: 1.4px; text-transform: uppercase; color: var(--muted); font-weight: 700; }
td { color: var(--ink-2); }
td strong { color: var(--ink); }
tr:last-child td { border-bottom: 0; }

.callout { margin: 20px 0; padding: 4px 0 4px 18px; border-left: 4px solid var(--ink); font-family: var(--ui); font-size: 16.5px; }
.callout.hot { border-left-color: var(--accent); background: var(--paper-2); padding: 14px 18px; }
.callout p { margin: 0; }
.callout p + p, .callout ol { margin-top: 8px; }
.callout ol { margin-bottom: 0; }

.to-top { position: fixed; right: 16px; bottom: 16px; width: 42px; height: 42px; display: grid; place-items: center; border: 2px solid var(--ink); background: var(--paper); color: var(--ink); text-decoration: none; font: 700 18px/1 var(--ui); box-shadow: 3px 3px 0 var(--ink); opacity: 0; visibility: hidden; transition: opacity .2s; }
.to-top.show { opacity: 1; visibility: visible; }
.to-top:hover { color: var(--ink); }

/* ---------- 404 ---------- */
.notfound { min-height: 70vh; display: grid; align-content: center; }
.notfound h1 { margin: 16px 0; font: 800 clamp(64px, 12vw, 140px)/.88 var(--display); text-transform: uppercase; }
.notfound h1 .glow { color: var(--accent); }
.notfound p { max-width: 32em; font-size: 19px; color: var(--ink-2); margin: 0 0 28px; }

/* ---------- responsive ---------- */
@media (max-width: 960px) {
  .hero-grid { grid-template-columns: 1fr; gap: 40px; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .summary { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .legal { grid-template-columns: minmax(0, 1fr); gap: 28px; }
  .toc { position: static; max-height: none; }
  .toc ol { columns: 2; column-gap: 28px; }
  .toc li { break-inside: avoid; }
  .section-title { grid-template-columns: 1fr; }
  .banner { grid-template-columns: 1fr; }
}
@media (max-width: 600px) {
  body { font-size: 16px; }
  .site-header .wrap { height: 56px; }
  .brand { font-size: 20px; gap: 8px; }
  .brand img { width: 26px; height: 26px; }
  .nav { gap: 14px; }
  .nav a { font-size: 14px; }
  .nav .hide-sm { display: none; }
  .hero { padding: 40px 0 48px; }
  .grid, .summary { grid-template-columns: minmax(0, 1fr); }
  .toc ol { columns: 1; }
  .doc { font-size: 17px; }
  .doc h2 { font-size: 26px; }
  section { padding: 52px 0; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}
@media print {
  .site-header, .toc, .to-top, .site-footer nav { display: none !important; }
  body { background: #fff; }
  .legal { display: block; }
}