/* armagi.co: tokens from the ArmAGI space design system */
:root {
  --navy: #1B3A7B;
  --navy-deep: #112650;
  --gold: #C99A2E;
  --gold-soft: #e5cb73;
  --gold-ink: #806014;
  --gold-bg: #faf3e1;
  --gold-line: #f1e1ad;
  --ink: #0f172a;
  --ink-2: #475569;
  --muted: #6b7280;
  --line: #e3e6ec;
  --page: #f6f7fa;
  --card: #fff;
  --tint: #eef2f9;
  --on-dark: #e6ebf5;
  --on-dark-2: #a4b0c8;
  --sans: 'IBM Plex Sans', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', monospace;
  --r: 18px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --navy: #9db4ea; --ink: #e8ecf4; --ink-2: #b4bdd0; --muted: #8b95a8; --line: #2a3346;
    --page: #0d1220; --card: #151c2e; --tint: #1a2440; --gold-bg: #2a2412; --gold-line: #4a3d18; --gold-ink: #e5cb73;
  }
}
:root[data-theme="dark"] {
  --navy: #9db4ea; --ink: #e8ecf4; --ink-2: #b4bdd0; --muted: #8b95a8; --line: #2a3346;
  --page: #0d1220; --card: #151c2e; --tint: #1a2440; --gold-bg: #2a2412; --gold-line: #4a3d18; --gold-ink: #e5cb73;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--page); color: var(--ink); font-family: var(--sans); font-size: 17px; line-height: 1.55; -webkit-font-smoothing: antialiased; }
a { color: var(--navy); text-underline-offset: 3px; }
button { font-family: var(--sans); cursor: pointer; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 3px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* top bar */
.top { position: sticky; top: 0; z-index: 10; display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 14px max(16px, calc((100vw - 1120px) / 2)); background: color-mix(in srgb, var(--page) 85%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 18px; color: var(--ink); text-decoration: none; letter-spacing: -.01em; }
.mark { width: 22px; height: 22px; border-radius: 7px; background: linear-gradient(135deg, var(--navy-deep), #1B3A7B 55%, var(--gold)); }
.top nav { display: flex; align-items: center; gap: 18px; font-size: 15px; }
.top nav a { text-decoration: none; color: var(--ink-2); }
.top nav a:hover { color: var(--ink); }
.top nav .pill { color: #fff; background: #1B3A7B; padding: 7px 14px; border-radius: 99px; }

.welcome { display: flex; justify-content: space-between; align-items: center; gap: 12px; max-width: 1120px; margin: 16px auto 0; padding: 12px 18px; background: var(--gold-bg); border: 1px solid var(--gold-line); border-radius: 14px; color: var(--ink); animation: drop .5s ease-out; }
.welcome a { font-weight: 600; }
@keyframes drop { from { opacity: 0; transform: translateY(-8px); } }

/* hero */
.hero { display: grid; grid-template-columns: 1.1fr 1fr; gap: 40px; align-items: center; max-width: 1120px; margin: 0 auto; padding: 72px 16px 56px; }
.eyebrow, .tag { font-family: var(--mono); font-size: 12px; letter-spacing: .12em; text-transform: uppercase; color: var(--gold-ink); }
h1 { font-size: clamp(36px, 5.4vw, 60px); line-height: 1.04; letter-spacing: -.025em; margin: 14px 0 18px; }
h1 .accent { color: var(--navy); }
.lede { font-size: 20px; color: var(--ink-2); max-width: 34em; margin: 0 0 28px; }
.cta { display: flex; gap: 12px; flex-wrap: wrap; }
.btn { display: inline-block; border: 0; border-radius: 99px; padding: 13px 22px; font-size: 16px; font-weight: 600; background: #1B3A7B; color: #fff; text-decoration: none; transition: transform .15s, box-shadow .15s; }
.btn:hover { transform: translateY(-2px); box-shadow: 0 8px 20px -8px rgba(27, 58, 123, .6); color: #fff; }
.btn.ghost { background: transparent; color: var(--navy); box-shadow: inset 0 0 0 1.5px var(--navy); }
.btn.ghost:hover { color: var(--navy); }
.swarm { margin: 0; }
.swarm canvas { display: block; width: 100%; height: 340px; border-radius: 28px; background: radial-gradient(circle at 30% 30%, #20448c, #0d1d42); }
.swarm figcaption { font-family: var(--mono); font-size: 13px; color: var(--muted); margin-top: 10px; text-align: center; transition: color .3s; }
.swarm figcaption.busy { color: var(--gold-ink); }

/* sections */
.block { max-width: 1120px; margin: 0 auto; padding: 64px 16px; }
h2 { font-size: clamp(28px, 3.6vw, 40px); letter-spacing: -.02em; line-height: 1.1; margin: 0 0 8px; }
.sub { color: var(--ink-2); margin: 0 0 28px; font-size: 18px; }

/* stuck tiles */
.tiles { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.tile { position: relative; display: flex; flex-direction: column; gap: 14px; min-height: 150px; padding: 18px; border-radius: var(--r); border: 1px solid var(--line); background: var(--card); color: var(--ink); font-size: 17px; font-weight: 600; line-height: 1.3; text-align: left; transition: transform .18s, border-color .18s, box-shadow .18s; }
.tile svg { width: 34px; height: 34px; color: var(--gold); flex: none; }
.tile:hover { transform: translateY(-4px) rotate(-.6deg); border-color: var(--gold-soft); box-shadow: 0 14px 30px -18px rgba(15, 23, 42, .45); }
.tile[aria-pressed="true"] { border-color: var(--gold); background: var(--gold-bg); }
.tile .been { position: absolute; top: 12px; right: 14px; font-family: var(--mono); font-size: 11px; color: var(--muted); font-weight: 500; }
.answer { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 18px; animation: drop .35s ease-out; }
.answer > div { padding: 22px; border-radius: var(--r); }
.answer p { margin: 8px 0 0; font-size: 18px; }
.answer-we { background: var(--tint); }
.answer-proof { background: var(--gold-bg); border: 1px solid var(--gold-line); }
.answer-more { grid-column: 1 / -1; display: flex; gap: 10px; flex-wrap: wrap; padding: 0 !important; }
.answer-more a { padding: 9px 16px; border-radius: 99px; background: var(--card); border: 1px solid var(--line); text-decoration: none; font-weight: 600; font-size: 15px; }
.answer-more a:hover { border-color: var(--navy); }

/* proof */
.block.dark { max-width: none; background: #0f1d3d; color: var(--on-dark); padding-left: max(16px, calc((100vw - 1088px) / 2)); padding-right: max(16px, calc((100vw - 1088px) / 2)); }
.block.dark .sub { color: var(--on-dark-2); }
.stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; }
.stat { padding: 22px 18px; border-radius: var(--r); background: rgba(255, 255, 255, .05); border: 1px solid rgba(255, 255, 255, .1); }
.stat .n { font-size: 44px; font-weight: 700; letter-spacing: -.03em; color: var(--gold-soft); font-variant-numeric: tabular-nums; line-height: 1; }
.stat .n small { font-size: 22px; margin-left: 2px; }
.stat p { margin: 12px 0 0; font-size: 15px; color: var(--on-dark-2); }

/* shelf */
.filters { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 18px; }
.chip { border: 1px solid var(--line); background: var(--card); color: var(--ink-2); border-radius: 99px; padding: 8px 15px; font-size: 15px; }
.chip[aria-pressed="true"] { background: #1B3A7B; border-color: #1B3A7B; color: #fff; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.card { position: relative; display: block; padding: 20px; border-radius: var(--r); background: var(--card); border: 1px solid var(--line); text-decoration: none; color: var(--ink); transition: transform .18s, box-shadow .18s; }
.card:hover { transform: translateY(-3px); box-shadow: 0 14px 30px -20px rgba(15, 23, 42, .5); }
.card .k { font-family: var(--mono); font-size: 11.5px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.card h3 { margin: 8px 0 6px; font-size: 19px; line-height: 1.25; letter-spacing: -.01em; }
.card p { margin: 0; color: var(--ink-2); font-size: 15.5px; }
.card .url { margin-top: 12px; font-family: var(--mono); font-size: 12.5px; color: var(--navy); }
.badge { position: absolute; top: 16px; right: 16px; font-family: var(--mono); font-size: 11px; padding: 3px 8px; border-radius: 99px; background: var(--gold-bg); color: var(--gold-ink); border: 1px solid var(--gold-line); }
.badge.hot { background: #1B3A7B; color: #fff; border-color: #1B3A7B; }

/* hello */
.hello { display: grid; grid-template-columns: .8fr 1.2fr; gap: 32px; align-items: start; }
.link { background: none; border: 0; padding: 0; color: var(--navy); text-decoration: underline; text-underline-offset: 3px; font-size: inherit; }
.link.small { font-size: 14px; color: var(--muted); }
.chat { border-radius: 24px; background: var(--card); border: 1px solid var(--line); padding: 18px; box-shadow: 0 24px 50px -36px rgba(15, 23, 42, .5); }
.chat-log { display: flex; flex-direction: column; gap: 10px; min-height: 220px; max-height: 440px; overflow-y: auto; padding: 4px; }
.msg { max-width: 85%; padding: 11px 15px; border-radius: 18px; font-size: 16px; animation: drop .25s ease-out; white-space: pre-wrap; }
.msg.us { align-self: flex-start; background: var(--tint); border-bottom-left-radius: 6px; }
.msg.you { align-self: flex-end; background: #1B3A7B; color: #fff; border-bottom-right-radius: 6px; }
.msg.typing { color: var(--muted); font-style: italic; }
.msg .refs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
.msg .refs a { font-family: var(--mono); font-size: 12.5px; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.chat-form { display: flex; gap: 8px; }
.chat-form input { flex: 1; min-width: 0; border: 1px solid var(--line); background: var(--page); color: var(--ink); border-radius: 99px; padding: 12px 16px; font: inherit; font-size: 16px; }

.foot { max-width: 1120px; margin: 0 auto; padding: 40px 16px 80px; border-top: 1px solid var(--line); color: var(--ink-2); font-size: 15.5px; }
.foot .fine { font-family: var(--mono); font-size: 12.5px; color: var(--muted); }

@media (max-width: 960px) {
  .tiles { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .cards { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 760px) {
  .hero, .hello, .answer { grid-template-columns: 1fr; }
  .hero { padding-top: 40px; gap: 28px; }
  .swarm canvas { height: 220px; }
  .top nav a:not(.pill) { display: none; }
  .cards { grid-template-columns: 1fr; }
  .tile { min-height: 0; }
}
@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; scroll-behavior: auto !important; }
}