/* Layout: a printed flight manual on dark paper. Asymmetric 12-column sheet;
   the hero splits copy (5) / playable deck (7); sections open with a stamped label. */
:root {
  --paper: #141216;      /* warm near-black page */
  --paper-up: #1c1820;   /* raised paper (cards, deck) */
  --ink: #0b0a0e;        /* outlines, shadows */
  --chalk: #b7ae9c;      /* rules, secondary text */
  --cream: #f3e9d2;      /* primary text, bullets */
  --teal: #27b7c4;       /* own team / primary accent */
  --rust: #f25c2a;       /* enemy / stamps */
  --mustard: #e8b92e;
  --lilac: #a98bd6;
  --violet: #4b3a6b;

  --display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --body: "Space Grotesk", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "Space Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --step--1: clamp(0.82rem, 0.79rem + 0.12vw, 0.9rem);
  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.125rem);
  --step-1: clamp(1.3rem, 1.2rem + 0.5vw, 1.6rem);
  --step-2: clamp(1.9rem, 1.6rem + 1.4vw, 2.8rem);
  --step-3: clamp(3rem, 2.2rem + 4.2vw, 6.4rem);
  --gutter: clamp(16px, 4vw, 48px);
  --rule: 2px solid var(--ink);
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body {
  margin: 0;
  background-color: var(--paper);
  /* paper grain + faint halftone, both fixed to the sheet */
  background-image:
    url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='220' height='220'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 .95 0 0 0 0 .91 0 0 0 0 .82 0 0 0 .055 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"),
    radial-gradient(circle at 50% 50%, rgba(75, 58, 107, .22) 1.2px, transparent 1.6px);
  background-size: 220px 220px, 7px 7px;
  color: var(--cream);
  font: 400 var(--step-0)/1.6 var(--body);
  padding-inline: var(--gutter);
  padding-block: 0;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--teal); text-underline-offset: 3px; }
a:hover { color: var(--cream); }
:focus-visible { outline: 3px solid var(--mustard); outline-offset: 3px; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
p { margin: 0; }

.skip { position: absolute; left: -999px; top: 8px; background: var(--cream); color: var(--ink); padding: 8px 12px; z-index: 50; font-weight: 700; }
.skip:focus { left: 8px; }

/* ── masthead ─────────────────────────────────────────── */
.masthead {
  position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding-block: 14px; margin-inline: calc(var(--gutter) * -1); padding-inline: var(--gutter);
  background: rgba(20, 18, 22, .88); backdrop-filter: blur(6px);
  border-bottom: var(--rule); box-shadow: 0 1px 0 rgba(183, 174, 156, .14);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--cream); text-decoration: none;
  font: 900 1.35rem/1 var(--display); letter-spacing: .06em; text-transform: uppercase; }
.brand-mark { width: 26px; height: 26px; }
.brand-mark path { fill: var(--teal); stroke: var(--ink); stroke-width: 2.5; stroke-linejoin: round; }
.masthead nav { display: flex; flex-wrap: wrap; gap: 4px 20px; font: 700 var(--step--1)/1 var(--mono); text-transform: uppercase; letter-spacing: .08em; }
.masthead nav a { color: var(--chalk); text-decoration: none; padding-block: 6px; }
.masthead nav a:hover { color: var(--cream); }
@media (max-width: 720px) { .masthead nav { display: none; } }

main, .colophon { max-width: 1280px; margin-inline: auto; }

/* stamped label */
.stamp {
  display: inline-block; align-self: start; justify-self: start; max-width: 100%;
  font: 700 var(--step--1)/1.2 var(--mono); text-transform: uppercase; letter-spacing: .12em;
  color: var(--rust); border: 2px solid currentColor; padding: 5px 9px 4px; transform: rotate(-1.2deg);
}
.stamp span { color: var(--chalk); }

/* ── hero ─────────────────────────────────────────────── */
.hero {
  display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: clamp(24px, 4vw, 56px);
  align-items: center; padding-block: clamp(36px, 7vw, 88px) clamp(40px, 6vw, 72px);
}
@media (max-width: 980px) { .hero { grid-template-columns: minmax(0, 1fr); } }
.hero-copy { display: grid; grid-template-columns: minmax(0, 1fr); gap: 22px; min-width: 0; }
.hero h1 {
  font: 900 var(--step-3)/.88 var(--display); text-transform: uppercase; letter-spacing: .01em; color: var(--cream);
  text-shadow: 3px 3px 0 var(--ink), 5px 5px 0 var(--violet);
}
.lede { font-size: var(--step-1); line-height: 1.45; color: var(--cream); max-width: 34ch; }
.cta { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; min-height: 48px; padding: 0 22px;
  font: 700 var(--step-0)/1 var(--body); text-decoration: none; border: 2px solid var(--ink); border-radius: 999px;
  box-shadow: 3px 3px 0 var(--ink); transition: transform .12s ease, box-shadow .12s ease;
}
.btn:hover { transform: translate(-1px, -1px); box-shadow: 4px 4px 0 var(--ink); }
.btn:active { transform: translate(2px, 2px); box-shadow: 1px 1px 0 var(--ink); }
.btn-ink { background: var(--teal); color: var(--ink); }
.btn-ink:hover { color: var(--ink); }
.btn-line { background: transparent; color: var(--cream); border-color: var(--chalk); box-shadow: 3px 3px 0 var(--ink); }
.specs { display: grid; gap: 8px; margin: 6px 0 0; padding-top: 16px; border-top: 2px dashed rgba(183, 174, 156, .35); }
.specs div { display: grid; grid-template-columns: 7.5rem minmax(0, 1fr); gap: 12px; }
.specs dt { font: 700 var(--step--1)/1.7 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--chalk); }
.specs dd { margin: 0; }

/* the playable deck */
.deck { margin: 0; display: grid; gap: 12px; min-width: 0; }
.deck-frame {
  position: relative; border: 3px solid var(--ink); border-radius: 14px; overflow: hidden;
  background: var(--paper-up); box-shadow: 0 0 0 2px var(--chalk), 8px 8px 0 var(--ink);
  aspect-ratio: 3 / 2; max-width: 100%;
}
#flight { display: block; width: 100%; height: 100%; touch-action: none; cursor: crosshair; }
#flight:focus-visible { outline: none; }
.deck-frame:focus-within { box-shadow: 0 0 0 2px var(--mustard), 8px 8px 0 var(--ink); }
.deck-hud {
  position: absolute; left: 12px; right: 12px; top: 10px; display: flex; gap: 10px; flex-wrap: wrap; pointer-events: none;
  font: 700 .72rem/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--chalk);
}
.hud-cell { display: flex; align-items: center; gap: 8px; background: rgba(11, 10, 14, .72); border: 1.5px solid rgba(183, 174, 156, .5); border-radius: 6px; padding: 6px 9px; }
.hud-cell b { color: var(--cream); font-variant-numeric: tabular-nums; min-width: 3ch; text-align: right; }
.hud-energy i { display: block; width: 92px; height: 8px; background: var(--ink); border: 1px solid var(--chalk); border-radius: 2px; overflow: hidden; }
.hud-energy em { display: block; height: 100%; width: 100%; background: var(--cream); transform-origin: left; }
.deck-start {
  position: absolute; inset: auto 0 0 0; display: grid; justify-items: center; gap: 10px; padding: 18px 16px 20px;
  background: linear-gradient(to top, rgba(11, 10, 14, .92), rgba(11, 10, 14, 0));
}
.deck-start button {
  font: 900 1.3rem/1 var(--display); text-transform: uppercase; letter-spacing: .06em; color: var(--ink);
  background: var(--mustard); border: 2.5px solid var(--ink); border-radius: 999px; padding: 12px 26px; cursor: pointer;
  box-shadow: 3px 3px 0 var(--ink);
}
.deck-start p { font: 400 .78rem/1.4 var(--mono); color: var(--chalk); text-align: center; }
.deck.playing .deck-start { display: none; }
.touchpad { display: none; }
@media (pointer: coarse) {
  .deck.playing .touchpad {
    position: absolute; inset: auto 10px 10px 10px; display: grid; grid-template-columns: repeat(3, 56px) 1fr; gap: 8px;
  }
  .touchpad button {
    height: 56px; border-radius: 12px; border: 2px solid var(--ink); background: rgba(243, 233, 210, .82); color: var(--ink);
    font: 900 1.3rem/1 var(--display); touch-action: none; -webkit-user-select: none; user-select: none;
  }
  .touchpad .fire { justify-self: end; width: 96px; background: var(--rust); }
}
.deck figcaption { font: 400 var(--step--1)/1.5 var(--mono); color: var(--chalk); max-width: 70ch; }

/* ── sections ─────────────────────────────────────────── */
section { padding-block: clamp(48px, 8vw, 104px); border-top: var(--rule); position: relative; }
section::before { content: ""; position: absolute; left: 0; right: 0; top: 2px; height: 1px; background: rgba(183, 174, 156, .14); }
.hero { border-top: 0; }
.hero::before { display: none; }
.section-head { display: grid; grid-template-columns: minmax(0, 1fr); gap: 14px; margin-bottom: clamp(28px, 4vw, 48px); max-width: 62ch; }
.section-head h2 { font: 800 var(--step-2)/1 var(--display); text-transform: uppercase; letter-spacing: .02em; }
.section-note { color: var(--chalk); }

/* rules */
.rule-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(16px, 2vw, 28px); }
@media (max-width: 1100px) { .rule-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 560px) { .rule-grid { grid-template-columns: minmax(0, 1fr); } }
.rule { display: grid; gap: 10px; align-content: start; min-width: 0; }
.rule-fig { width: 100%; height: auto; background: var(--paper-up); border: 2px solid var(--ink); border-radius: 10px; box-shadow: 4px 4px 0 var(--ink); }
.rule-fig text { font: 700 11px var(--mono); fill: var(--chalk); letter-spacing: .04em; }
.rule-fig .ink-line { fill: none; stroke: var(--cream); stroke-width: 3; stroke-linecap: round; }
.rule-fig .ink-line.thin { stroke-width: 1.5; stroke: var(--chalk); }
.rule-fig .ink-line.dash { stroke-dasharray: 6 7; stroke: var(--teal); }
.rule-fig .ship { fill: var(--teal); stroke: var(--ink); stroke-width: 2.5; stroke-linejoin: round; }
.rule-fig .wall { fill: var(--ink); stroke: var(--chalk); stroke-width: 2; }
.rule-fig .shot { fill: var(--cream); stroke: var(--ink); stroke-width: 2.5; }
.rule-fig .meter-bg { fill: var(--ink); stroke: var(--chalk); stroke-width: 2; }
.rule-fig .meter-fill { fill: var(--mustard); }
.rule h3 { font: 800 var(--step-1)/1.05 var(--display); text-transform: uppercase; letter-spacing: .03em; color: var(--teal); }
.rule p { color: var(--cream); }

/* in-game screenshot */
.shot { margin: 0 0 clamp(24px, 3vw, 40px); display: grid; gap: 10px; }
.shot img { width: 100%; height: auto; border: 3px solid var(--ink); border-radius: 12px; box-shadow: 0 0 0 2px var(--chalk), 8px 8px 0 var(--ink); }
.shot figcaption { font: 400 var(--step--1)/1.5 var(--mono); color: var(--chalk); }

/* hangar */
.hulls { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(14px, 2vw, 24px); }
@media (max-width: 1100px) { .hulls { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .hulls { grid-template-columns: minmax(0, 1fr); } }
.hull {
  display: grid; grid-template-rows: auto 1fr; background: var(--paper-up); border: 2.5px solid var(--ink); border-radius: 12px;
  box-shadow: 5px 5px 0 var(--ink); overflow: hidden; min-width: 0;
}
.hull-art {
  display: grid; place-items: center; aspect-ratio: 4 / 3; border-bottom: 2.5px solid var(--ink);
  background: radial-gradient(circle at 50% 55%, color-mix(in srgb, var(--hull) 22%, transparent), transparent 62%), var(--paper);
}
.hull-art img { width: min(58%, 136px); height: auto; image-rendering: auto; filter: drop-shadow(0 6px 0 rgba(11, 10, 14, .6)); transition: transform .4s cubic-bezier(.2, .9, .3, 1.2); }
@media (prefers-reduced-motion: no-preference) { .hull:hover .hull-art img { transform: rotate(-24deg) translateY(-4px); } }
.hull-text { display: grid; gap: 6px; padding: 14px 16px 18px; align-content: start; }
.hull-slot { font: 700 .72rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--chalk); }
.hull h3 { font: 900 1.7rem/1 var(--display); text-transform: uppercase; letter-spacing: .03em; color: var(--hull); }
.hull .sig { margin-top: 6px; padding-top: 10px; border-top: 1.5px dashed rgba(183, 174, 156, .35); font-size: var(--step--1); color: var(--chalk); }
.hull .sig b { display: block; font: 700 .78rem/1.4 var(--mono); text-transform: uppercase; letter-spacing: .08em; color: var(--cream); }

/* modes */
.mode-feature { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: clamp(16px, 2vw, 28px); margin-bottom: clamp(20px, 3vw, 36px); }
@media (max-width: 900px) { .mode-feature { grid-template-columns: minmax(0, 1fr); } }
.mode-big { display: grid; gap: 12px; align-content: start; padding: clamp(20px, 3vw, 36px); border: 3px solid var(--ink); border-radius: 14px; box-shadow: 6px 6px 0 var(--ink); min-width: 0; }
.mode-arena { background: var(--rust); color: var(--ink); }
.mode-world { background: var(--violet); color: var(--cream); }
.mode-meta { font: 700 var(--step--1)/1.3 var(--mono); text-transform: uppercase; letter-spacing: .1em; opacity: .85; }
.mode-big h3 { font: 900 var(--step-2)/.95 var(--display); text-transform: uppercase; }
.mode-big p:last-child { max-width: 52ch; }
.mode-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: var(--rule); }
@media (max-width: 900px) { .mode-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .mode-list { grid-template-columns: minmax(0, 1fr); } }
.mode-list li { display: grid; gap: 6px; align-content: start; padding: 18px 18px 22px 0; border-bottom: 1.5px dashed rgba(183, 174, 156, .3); min-width: 0; }
.mode-list h3 { font: 800 var(--step-1)/1.05 var(--display); text-transform: uppercase; color: var(--mustard); }
.mode-list span { font: 700 .74rem/1.3 var(--mono); text-transform: uppercase; letter-spacing: .1em; color: var(--chalk); }

/* promises */
.promise-list { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 clamp(20px, 3vw, 40px); }
@media (max-width: 900px) { .promise-list { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (max-width: 520px) { .promise-list { grid-template-columns: minmax(0, 1fr); } }
.promise-list li { display: grid; gap: 8px; align-content: start; padding-block: 22px; border-top: 2.5px solid var(--ink); box-shadow: inset 0 1px 0 rgba(183, 174, 156, .2); min-width: 0; }
.promise-list h3 { font: 800 var(--step-1)/1.05 var(--display); text-transform: uppercase; color: var(--cream); }
.promise-list h3::before { content: "✓ "; color: var(--teal); }
.promise-list p { color: var(--chalk); }

/* logbook */
.log { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; max-width: 900px; }
.log li { display: grid; grid-template-columns: 8.5rem minmax(0, 1fr); gap: 20px; padding-block: 22px; border-top: 1.5px dashed rgba(183, 174, 156, .3); }
@media (max-width: 560px) { .log li { grid-template-columns: minmax(0, 1fr); gap: 8px; } }
.log-state { align-self: start; justify-self: start; font: 700 .76rem/1 var(--mono); text-transform: uppercase; letter-spacing: .1em; padding: 6px 9px; border: 2px solid var(--chalk); color: var(--chalk); border-radius: 4px; }
.log .done .log-state { background: var(--teal); border-color: var(--ink); color: var(--ink); }
.log .now .log-state { background: var(--mustard); border-color: var(--ink); color: var(--ink); }
.log .next .log-state { border-color: var(--lilac); color: var(--lilac); }
.log h3 { font: 800 var(--step-1)/1.05 var(--display); text-transform: uppercase; margin-bottom: 6px; }
.log p { color: var(--chalk); max-width: 62ch; }

/* colophon */
.colophon { display: grid; gap: 6px; padding-block: 40px calc(56px + env(safe-area-inset-bottom, 0px)); border-top: var(--rule); color: var(--chalk); font-size: var(--step--1); }
.brand-foot { font: 900 2rem/1 var(--display); text-transform: uppercase; letter-spacing: .06em; color: var(--cream); margin-bottom: 6px; }