/* Hallmark · shape: Marquee · genre: playful · theme: Arcade (deal 1/3, seed single-player-slither-style-browser-snake-9df5·ad2a44d4·2026-10-29·r0) · job: try · draw: custom, the game's own screens
 * hero: Stage · nav: edge-aligned · footer: mast · imagery: the product, captured from the running game · signature: the live arena screenshot in a CRT well · arcade: mint/grille
 * axes: dark/pixel/chromatic-mint · posture: full-palette · contrast: pass · fold: pass · v2.0.0 */
/* Hallmark · pre-emit critique: P4 H4 E4 S4 R4 V4 · weakest: S, the about block is the quietest section and is kept short for search text */
@import url("./tokens.css");
@import url("./base.css");

/* Arcade colourway re-keyed to the game's own mint on near-black, so the page and the run screen read as one product. */
:root {
  --color-paper: oklch(13% 0.02 200); --color-paper-2: oklch(17.5% 0.022 200); --color-paper-3: oklch(22% 0.026 200);
  --color-ink: oklch(95% 0.012 175); --color-ink-2: oklch(87% 0.016 180); --color-muted: oklch(72% 0.02 190);
  --color-rule: oklch(34% 0.035 195);
  --color-accent: oklch(86% 0.16 165); --color-accent-2: oklch(76% 0.17 45); --color-accent-ink: oklch(14% 0.03 200);
  --color-focus: oklch(86% 0.16 165);
  --color-shade: oklch(8% 0.02 200);
  --font-body: "Chivo", "Noto Sans KR", ui-sans-serif, sans-serif;
  --font-display: "Bungee", "Noto Sans KR", "Impact", sans-serif;
  --shadow-card: 6px 6px 0 var(--color-accent-2);
  --shadow-press: 2px 2px 0 var(--color-accent-2);
  --shadow-band: 6px 6px 0 var(--color-accent-ink);
}

html { scroll-behavior: smooth; }
body { word-break: keep-all; }
h1, .display { text-transform: uppercase; text-shadow: -1.5px 0 0 var(--color-crt-r), 1.5px 0 0 var(--color-crt-c); }
h2, h3 { font-family: var(--font-body); font-weight: 900; letter-spacing: -0.02em; line-height: 1.05; }
h3 { line-height: 1.2; }
.figure { font-family: var(--font-outlier); font-weight: 700; font-variant-numeric: tabular-nums; }

/* Nav: edge-aligned wordmark and one action */
.nav { position: sticky; top: 0; z-index: var(--z-sticky-nav); background: color-mix(in oklab, var(--color-paper) 92%, transparent); border-bottom: var(--rule-hair) solid var(--color-rule); }
.nav .container { display: flex; align-items: center; justify-content: space-between; gap: var(--space-lg); min-height: 68px; }
.wordmark { font-family: var(--font-display); font-size: var(--text-xl); text-transform: uppercase; text-decoration: none; line-height: 1; }
.nav-links { display: flex; align-items: center; gap: var(--space-lg); font-size: var(--text-sm); }
.nav-links a:not(.btn) { color: var(--color-ink-2); }

/* Controls: the press surface */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: var(--space-sm) var(--space-lg); font-weight: 700; font-size: var(--text-md); text-decoration: none; cursor: pointer;
  background: var(--color-accent); color: var(--color-accent-ink); border: var(--rule-bar) solid var(--color-ink); border-radius: var(--radius-card); box-shadow: var(--shadow-card);
  transition: translate var(--dur-micro) var(--ease-out), box-shadow var(--dur-micro) var(--ease-out); }
.btn:hover { translate: -2px -2px; box-shadow: 8px 8px 0 var(--color-accent-2); }
.btn:active { translate: 4px 4px; box-shadow: var(--shadow-press); }
.btn:focus-visible { transition: none; }
.btn--secondary { background: transparent; color: var(--color-ink); }
.btn--sm { min-height: 40px; padding: var(--space-xs) var(--space-md); box-shadow: var(--shadow-press); font-size: var(--text-sm); }
.btn--sm:hover { translate: -1px -1px; box-shadow: 3px 3px 0 var(--color-accent-2); }
.btn--sm:active { translate: 2px 2px; box-shadow: 0 0 0 var(--color-accent-2); }
.actions { display: flex; flex-wrap: wrap; gap: var(--space-md) var(--space-lg); }

/* The screen: a grille layer over every captured frame */
.crt { position: relative; isolation: isolate; border: var(--rule-bar) solid var(--color-ink); border-radius: var(--radius-card); background: var(--color-paper-2); overflow: hidden; }
.crt img { width: 100%; height: auto; }
.crt::after { content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image:
    repeating-linear-gradient(to right, color-mix(in oklab, var(--color-crt-r) 5%, transparent) 0 1px, color-mix(in oklab, var(--color-crt-g) 5%, transparent) 1px 2px, color-mix(in oklab, var(--color-crt-b) 5%, transparent) 2px 3px),
    repeating-linear-gradient(to bottom, transparent 0 2px, color-mix(in oklab, var(--color-shade) 16%, transparent) 2px 3px); }

/* Hero: Stage */
.hero { min-height: calc(100dvh - 68px); display: grid; align-items: center; padding-block: var(--space-2xl); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 4fr) minmax(0, 8fr); gap: var(--space-2xl); align-items: center; }
.hero-text { display: grid; gap: var(--space-lg); justify-items: start; }
.hero-text h1 { max-width: 7ch; }
.hero .crt { box-shadow: var(--shadow-card); }

/* Score line */
.score { background: var(--color-paper-2); border-block: var(--rule-bar) solid var(--color-rule); padding-block: var(--space-xl); }
.score ul { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); }
.score li { display: grid; gap: var(--space-xs); padding-inline: var(--space-lg); border-left: var(--rule-bar) solid var(--color-rule); }
.score li:first-child { border-left: 0; padding-left: 0; }
.score .figure { font-size: var(--text-display-s); line-height: 1; color: var(--color-accent); font-variant-numeric: tabular-nums; }
.score li:nth-child(even) .figure { color: var(--color-accent-2); }
.score small { font-size: var(--text-sm); color: var(--color-muted); }

/* Sections */
.section { padding-block: var(--section-gap-s); }
.head { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-3xl); align-items: end; margin-bottom: var(--space-2xl); }
.head .lead { color: var(--color-ink-2); }

/* Rules as a menu, one cursor row lit */
.rows { list-style: none; margin: 0; padding: 0; border-top: var(--rule-hair) solid var(--color-rule); }
.row { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-3xl); align-items: center; padding: var(--space-lg) var(--space-lg); min-height: 96px; border-bottom: var(--rule-hair) solid var(--color-rule); }
.row h3 { font-size: var(--text-title); }
.row p { color: var(--color-ink-2); max-width: 52ch; }
.row:hover, .row[aria-current] { background: var(--color-accent); color: var(--color-accent-ink); transition: background-color var(--dur-micro) steps(1); }
.row:hover p, .row[aria-current] p { color: var(--color-accent-ink); }

/* Screens: a wide frame and a portrait phone */
.screens { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: var(--space-2xl); align-items: center; }
.shot { display: grid; gap: var(--space-sm); margin: 0; }
.shot figcaption { font-size: var(--text-sm); color: var(--color-muted); max-width: 52ch; }
.shot--phone { justify-items: center; }
.shot--phone .crt { max-width: 280px; box-shadow: var(--shadow-card); }
.shot--wide .crt { box-shadow: var(--shadow-card); }

/* Two players: desktop against mobile */
.players { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2xl); }
.well { background: var(--color-paper-2); border: var(--rule-bar) solid var(--color-rule); border-radius: var(--radius-card); padding: var(--space-xl); display: grid; gap: var(--space-lg); align-content: start; }
.well--a { border-top: 8px solid var(--color-accent); }
.well--b { border-top: 8px solid var(--color-accent-2); }
.well h3 { font-size: var(--text-2xl); max-width: none; }
.well dl { margin: 0; display: grid; gap: var(--space-md); }
.well dl div { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); gap: var(--space-md); padding-top: var(--space-md); border-top: var(--rule-hair) solid var(--color-rule); }
.well dt { color: var(--color-muted); font-size: var(--text-sm); font-weight: 700; }
.well dd { margin: 0; }

/* Statement band */
.band { background: var(--color-accent); color: var(--color-accent-ink); padding-block: var(--section-gap-s); }
.band .container { display: grid; grid-template-columns: minmax(0, 8fr) minmax(0, 4fr); gap: var(--space-2xl); align-items: center; }
.band h2 { font-family: var(--font-display); font-weight: 400; text-transform: uppercase; font-size: var(--text-display); max-width: 10ch; letter-spacing: 0; }
.band .btn { background: var(--color-paper); color: var(--color-ink); border-color: var(--color-accent-ink); box-shadow: var(--shadow-band); justify-self: start; }
.band .btn:hover { box-shadow: 8px 8px 0 var(--color-accent-ink); }
.band .btn:active { box-shadow: 2px 2px 0 var(--color-accent-ink); }
.band .btn:focus-visible { outline-color: var(--color-accent-ink); }

/* About: bilingual summary kept as readable text */
.about { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2xl); }
.about h2 { font-size: var(--text-2xl); margin-bottom: var(--space-md); }
.about p { color: var(--color-ink-2); }

/* Footer: a mast */
.foot { border-top: var(--rule-bar) solid var(--color-rule); padding-block: var(--space-2xl); display: grid; gap: var(--space-lg); }
.foot .wordmark { font-size: var(--text-3xl); }
.foot nav { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-lg); font-size: var(--text-sm); color: var(--color-ink-2); }
.foot small { color: var(--color-muted); font-size: var(--text-sm); }

@media (max-width: 60rem) {
  .hero { min-height: 0; padding-block: var(--space-xl); }
  .hero-grid, .head, .row, .screens, .players, .band .container, .about { grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); }
  .hero-text h1 { max-width: none; }
  .score ul { grid-template-columns: repeat(2, minmax(0, 1fr)); row-gap: var(--space-xl); }
  .score li:nth-child(odd) { border-left: 0; padding-left: 0; }
  .row { gap: var(--space-xs); min-height: 0; }
  .well { padding: var(--space-lg); }
}
@media (max-width: 40rem) {
  .nav-links a:not(.btn) { display: none; }
  .well dl div { grid-template-columns: minmax(0, 1fr); gap: var(--space-2xs); }
  .actions .btn { flex: 1 1 100%; }
}