@font-face { font-family: "Bebas Neue"; src: url("/fonts/BebasNeue-Regular.ttf") format("truetype"); font-display: swap; }
@font-face { font-family: "Chakra Petch"; src: url("/fonts/ChakraPetch-SemiBold.ttf") format("truetype"); font-weight: 600; font-display: swap; }

/* Tokens: the game's own palette. Arena black, ink white, one fighter colour
   at a time as the accent. Contrast: --dim on --arena is 6.1:1. */
:root {
  --arena: #0b0b0f;
  --ink: #ececf2;
  --dim: #9a9aa8;
  --faint: #2a2a34;
  --panel: #13131a;
  --hot: #ff3d4c;
  --strength: #ff3b3b;
  --speed: #ffd21f;
  --defense: #3b8cff;
  --agility: #b44dff;
  --power: #ff8a1f;
  --gutter: clamp(16px, 5vw, 72px);
  --display: "Bebas Neue", Impact, "Arial Narrow", sans-serif;
  --body: "Chakra Petch", system-ui, sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { background: var(--arena); color: var(--ink); scroll-behavior: smooth; }
body { margin: 0; font: 600 17px/1.6 var(--body); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
a { color: inherit; text-underline-offset: 3px; }
a:hover { color: #fff; }
img, canvas { display: block; max-width: 100%; }
:focus-visible { outline: 3px solid var(--speed); outline-offset: 3px; }
code, kbd { font-family: ui-monospace, "Cascadia Mono", Consolas, monospace; font-size: .88em; }
kbd { display: inline-block; min-width: 1.8em; padding: 1px 7px; margin: 0 2px; border: 1px solid #4a4a58; border-bottom-width: 3px;
  border-radius: 4px; background: var(--panel); text-align: center; line-height: 1.5; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 10; padding: 10px 14px; background: var(--ink); color: var(--arena); text-decoration: none; }
.skip:focus { top: 12px; }
.linkish { font: inherit; color: inherit; background: none; border: 0; padding: 0; text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }
.linkish:disabled { opacity: .7; cursor: default; text-decoration: none; }

/* Header -------------------------------------------------------------------------- */
.top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 18px var(--gutter); position: relative; z-index: 3; }
.brand { font: 400 32px/1 var(--display); letter-spacing: .01em; text-decoration: none; }
.brand span { color: var(--hot); }
.nav { display: flex; align-items: center; gap: clamp(14px, 3vw, 34px); font-size: 15px; }
.nav a { text-decoration: none; color: var(--dim); padding: 6px 0; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--ink); }
.nav a[aria-current="page"] { box-shadow: inset 0 -2px 0 var(--ink); }
.nav .nav-play { color: var(--arena); background: var(--ink); padding: 7px 16px 5px; font: 400 22px/1 var(--display); letter-spacing: .03em; }
.nav .nav-play:hover { color: var(--arena); background: #fff; }
.nav-toggle { display: none; font: 400 22px/1 var(--display); color: var(--ink); background: none; border: 1px solid var(--faint); padding: 8px 12px 6px; }
.status-banner { margin: 0; padding: 12px var(--gutter); background: #2b1a08; color: #ffd9a8; border-bottom: 1px solid #5b3a12; }

/* Buttons ------------------------------------------------------------------------- */
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 12px 24px 10px; font: 400 27px/1 var(--display); letter-spacing: .03em;
  text-decoration: none; border: 2px solid var(--ink); color: var(--arena); background: var(--ink); cursor: pointer;
  transition: transform .12s ease-out, background-color .12s ease-out; }
.btn:hover { color: var(--arena); background: #fff; transform: translateY(-2px); }
.btn:active { transform: translateY(1px); }
.btn.ghost { background: transparent; color: var(--ink); }
.btn.ghost:hover { background: rgba(255,255,255,.08); color: #fff; }
.btn.small { font-size: 21px; padding: 9px 16px 7px; }
.ctas { display: flex; flex-wrap: wrap; gap: 12px; }

/* Hero: the live duel is the one loud thing on the page ------------------------------- */
.hero { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.2fr); align-items: end; gap: 12px;
  padding: clamp(12px, 5vw, 64px) var(--gutter) 0; min-height: min(86vh, 800px); position: relative; }
.hero h1 { margin: 0; font: 400 clamp(88px, 14vw, 230px)/.8 var(--display); letter-spacing: -.005em; }
.hero h1 .ken { color: var(--hot); }
.hero-line { max-width: 36ch; margin: 22px 0 26px; color: var(--dim); font-size: clamp(17px, 1.6vw, 20px); }
.hero-note { color: var(--dim); font-size: 14px; margin: 18px 0 clamp(28px, 8vh, 90px); max-width: 44ch; }
.duel { width: 100%; aspect-ratio: 16 / 10; align-self: end; }
.floor { position: absolute; left: 0; right: 0; bottom: 0; height: 2px; background: var(--ink); opacity: .9; }

/* Sections -------------------------------------------------------------------------- */
.band { padding: clamp(48px, 8vw, 110px) var(--gutter); }
.band h2, .page-head h1 { margin: 0 0 14px; font: 400 clamp(46px, 6vw, 92px)/.9 var(--display); }
.page-head { padding-bottom: 24px; }
.lede { max-width: 60ch; color: var(--dim); margin: 0 0 36px; font-size: 18px; }
.note { max-width: 70ch; color: var(--dim); font-size: 15px; }

.pillars { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(20px, 3vw, 44px); }
.pillar { border-top: 4px solid var(--c, var(--ink)); padding-top: 18px; }
.pillar[data-fighter="speed"] { --c: var(--speed); }
.pillar[data-fighter="defense"] { --c: var(--defense); }
.pillar[data-fighter="strength"] { --c: var(--strength); }
.pillar h3 { margin: 0 0 8px; font: 400 36px/1 var(--display); }
.pillar p { margin: 0; color: var(--dim); }

.online { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: clamp(24px, 5vw, 80px); align-items: center; border-top: 1px solid var(--faint); }
.steps { margin: 8px 0 28px; padding-left: 1.4em; max-width: 52ch; }
.steps li { margin: 0 0 12px; color: var(--dim); }
.steps li::marker { font: 400 24px var(--display); color: var(--speed); }
.steps strong { color: var(--ink); }
.link-demo { font: 400 clamp(26px, 4vw, 54px)/1.1 var(--display); color: var(--dim); overflow-wrap: anywhere; margin: 0; }
.link-demo .code { color: var(--speed); }

.modes { list-style: none; margin: 0; padding: 0; border-top: 1px solid var(--faint); }
.modes a { display: grid; grid-template-columns: minmax(160px, 260px) 1fr; gap: 16px; align-items: baseline; padding: 18px 0;
  border-bottom: 1px solid var(--faint); text-decoration: none; }
.modes strong { font: 400 34px/1 var(--display); }
.modes span { color: var(--dim); }
.modes a:hover strong, .modes a:focus-visible strong { color: var(--speed); }

.roster-strip { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 14px; }
.strip-fighter { display: flex; flex-direction: column; gap: 2px; padding: 16px 0 0; border-top: 6px solid var(--c); text-decoration: none; }
.strip-fighter strong { font: 400 38px/1 var(--display); color: var(--c); }
.strip-fighter span { font-size: 14px; }
.strip-fighter em { font-style: normal; color: var(--dim); font-size: 14px; }

/* How it works ---------------------------------------------------------------------- */
.toc { display: flex; flex-wrap: wrap; gap: 6px 18px; font-size: 15px; }
.toc a { color: var(--dim); }
.lessons { padding: 0 var(--gutter); }
.lesson { display: grid; grid-template-columns: minmax(0, 360px) minmax(0, 1fr); gap: clamp(20px, 4vw, 56px); align-items: center;
  padding: 34px 0; border-top: 1px solid var(--faint); scroll-margin-top: 16px; }
.lesson h2 { margin: 0 0 6px; font: 400 44px/1 var(--display); }
.lesson p { margin: 0 0 10px; max-width: 62ch; color: var(--dim); }
.lesson p.keys { color: var(--ink); font-size: 15px; }
.demo { width: 100%; aspect-ratio: 16 / 9; background: var(--panel); }
.table-wrap { overflow-x: auto; }
table { border-collapse: collapse; width: 100%; min-width: 520px; font-size: 15px; }
th, td { text-align: left; padding: 11px 14px 11px 0; border-bottom: 1px solid var(--faint); vertical-align: top; }
thead th { color: var(--dim); font-weight: 600; }
tbody th { font-weight: 600; }

/* Characters ----------------------------------------------------------------------- */
.cards { padding: 0 var(--gutter) 60px; }
.card { display: grid; grid-template-columns: minmax(0, 320px) minmax(0, 1fr); gap: clamp(20px, 4vw, 60px); padding: 44px 0;
  border-top: 6px solid var(--c); scroll-margin-top: 16px; }
.preview { width: 100%; aspect-ratio: 1 / 1; background: var(--panel); position: sticky; top: 16px; }
.card h2 { margin: 0; font: 400 clamp(52px, 7vw, 96px)/.9 var(--display); color: var(--c); }
.card h3 { margin: 22px 0 6px; font: 400 26px/1 var(--display); }
.card p { max-width: 64ch; }
.card .arch, .card .tagline { color: var(--dim); margin: 6px 0; }
.card .tagline { color: var(--ink); font-size: 19px; }
.procon { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.procon ul, .specials { margin: 0; padding-left: 1.1em; color: var(--dim); }
.procon li, .specials li { margin: 0 0 6px; }
.specials strong { color: var(--ink); }
.input { color: var(--c); font-size: 14px; }

/* Legal -------------------------------------------------------------------------- */
.legal { max-width: 78ch; }
.legal h1 { margin: 0 0 6px; font: 400 clamp(56px, 7vw, 96px)/.9 var(--display); }
.legal h2 { margin: 42px 0 10px; font: 400 36px/1 var(--display); }
.legal h3 { margin: 26px 0 6px; font-size: 18px; }
.legal p, .legal li { color: #cfcfd8; }
.legal li { margin: 0 0 8px; }
.legal .meta { color: var(--dim); font-size: 15px; }

/* 404 ------------------------------------------------------------------------------ */
.oob { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(20px, 5vw, 80px); align-items: center;
  padding: clamp(24px, 6vw, 80px) var(--gutter); min-height: 70vh; }
.oob-canvas { width: 100%; aspect-ratio: 4 / 3; }
.oob h1 { margin: 0 0 12px; font: 400 clamp(60px, 9vw, 140px)/.85 var(--display); }
.oob p { color: var(--dim); max-width: 44ch; }

/* Admin ---------------------------------------------------------------------------- */
.admin h2 { font-size: 40px; margin-top: 36px; }
.admin h3 { margin: 22px 0 8px; }
.auth { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
.auth input, .auth select { font: inherit; color: var(--ink); background: var(--panel); border: 1px solid #4a4a58; padding: 8px 10px; }
.kv { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 8px 24px; }
.kv div { display: flex; justify-content: space-between; gap: 10px; border-bottom: 1px solid var(--faint); padding: 6px 0; overflow-wrap: anywhere; }
.kv span { color: var(--dim); }
.flags { display: flex; flex-wrap: wrap; gap: 8px; }
.flag { font: inherit; font-size: 14px; padding: 6px 10px; border: 1px solid #4a4a58; background: var(--panel); color: var(--ink); cursor: pointer; }
.flag.on { border-color: #2f7a47; }
.flag.off { border-color: var(--hot); color: #ffb3b9; }
.events { color: var(--dim); font-size: 14px; }

/* Footer --------------------------------------------------------------------------- */
.foot { padding: 34px var(--gutter) 44px; border-top: 1px solid var(--faint); color: var(--dim); font-size: 14px; }
.foot-links { display: flex; flex-wrap: wrap; gap: 8px 24px; margin-bottom: 10px; color: var(--ink); }
.foot p { margin: 0; max-width: 80ch; }
.ad-slot { display: none; }
.ad-slot.on { display: block; min-height: 90px; margin: 0 var(--gutter); }
.ad-slot.placeholder { display: block; margin: 24px var(--gutter); padding: 18px; border: 1px dashed rgba(255,255,255,.25); color: rgba(255,255,255,.4); font-size: 12px; text-align: center; }

/* Responsive ------------------------------------------------------------------------ */
@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; min-height: 0; }
  .hero-note { margin-bottom: 8px; }
  .pillars, .online, .oob { grid-template-columns: 1fr; }
  .roster-strip { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .lesson, .card { grid-template-columns: 1fr; }
  .preview { position: static; max-width: 320px; }
}
@media (max-width: 640px) {
  .nav-toggle { display: inline-block; }
  .nav { display: none; position: absolute; top: 64px; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0;
    background: var(--arena); border-bottom: 1px solid var(--faint); padding: 8px var(--gutter) 16px; }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; font-size: 17px; }
  .nav .nav-play { text-align: center; margin-top: 8px; }
  .modes a { grid-template-columns: 1fr; gap: 4px; }
  .procon { grid-template-columns: 1fr; }
  body { font-size: 16px; }
}

/* Motion: honour the OS setting and the site toggle (data-motion on <html>). ---------- */
@media (prefers-reduced-motion: reduce) {
  html:not([data-motion="full"]) { scroll-behavior: auto; }
  html:not([data-motion="full"]) .btn { transition: none; }
  html:not([data-motion="full"]) .btn:hover { transform: none; }
}
html[data-motion="reduce"] { scroll-behavior: auto; }
html[data-motion="reduce"] .btn { transition: none; }
html[data-motion="reduce"] .btn:hover { transform: none; }