/* Colors aren't final: change them here, never on a page. Names match the product's themes
   (src/app/(digisquad)/squad/squad.css, PR #1599). */
:root {
  --color-canvas: #141414;
  --color-surface: #1c1c1c;
  --color-line: #2e2e2e;
  --color-line-strong: #6a6a6a;
  --color-ink: #ede9e0;
  --color-ink-soft: #cfcbc2;
  --color-ink-muted: #b8b4ac;
  --color-primary: #ff6600;
  --color-on-primary: #141414;
  --color-ground: #020202; /* marketing only: behind the hero and closing glow */
  --font: Geist, ui-sans-serif, system-ui, sans-serif;
  --radius-card: 16px;
}

/* A section in the light theme. */
.paper {
  --color-canvas: #edeae0;
  --color-surface: #f7f5f0;
  --color-line: #d4d0c5;
  --color-line-strong: #8e8b84;
  --color-ink: #141414;
  --color-ink-soft: #3a3834;
  --color-ink-muted: #504d49;
  --color-primary: #c2410c;
  --color-on-primary: #ffffff;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--color-canvas); color: var(--color-ink); font: 400 17px/1.6 var(--font); -webkit-font-smoothing: antialiased; }
a { color: inherit; }
ul, ol { margin: 0; padding: 0; list-style: none; }
h1, h2, p, figure, dl, dd { margin: 0; }

.wrap { width: min(1200px, 100%); margin-inline: auto; padding-inline: 24px; }
.skip { position: absolute; left: -999px; }
.skip:focus { left: 16px; top: 16px; z-index: 10; padding: 10px 16px; background: var(--color-surface); border-radius: 8px; }
:focus-visible { outline: 2px solid currentColor; outline-offset: 3px; }

/* Nav */
.nav { position: sticky; top: 0; z-index: 5; background: color-mix(in srgb, var(--color-ground) 86%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-line); }
.nav-row { display: flex; align-items: center; gap: 32px; min-height: 64px; }
.brand { font-size: 20px; font-weight: 600; letter-spacing: -.02em; text-decoration: none; }
.nav-links { display: flex; gap: 28px; margin-left: auto; }
.nav-links a { display: inline-flex; align-items: center; min-height: 44px; font-size: 15px; color: var(--color-ink-soft); text-decoration: none; }
.nav-links a:hover { color: var(--color-ink); }

/* Type */
.eyebrow { margin-bottom: 18px; font-size: 13px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--color-ink-muted); }
h1 { font-size: clamp(44px, 6.4vw, 84px); font-weight: 500; line-height: 1.02; letter-spacing: -.04em; }
h2 { max-width: 16em; font-size: clamp(34px, 4.4vw, 56px); font-weight: 500; line-height: 1.06; letter-spacing: -.03em; }
.lead { max-width: 34em; margin-top: 28px; font-size: clamp(18px, 1.6vw, 21px); line-height: 1.5; color: var(--color-ink-soft); }
.body { max-width: 38em; margin-top: 22px; color: var(--color-ink-soft); }

/* Actions: orange is kept for the main action */
.actions { display: flex; flex-wrap: wrap; align-items: center; gap: 24px; margin-top: 36px; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px; border-radius: 999px; background: var(--color-primary); color: var(--color-on-primary); font-size: 16px; font-weight: 600; text-decoration: none; }
.button:hover { filter: brightness(1.08); }
.text-link { display: inline-flex; align-items: center; min-height: 44px; font-weight: 500; text-underline-offset: 5px; }

/* Hero */
.hero { position: relative; overflow: hidden; padding: clamp(56px, 8vw, 112px) 0; background: radial-gradient(ellipse 70% 60% at 78% 100%, color-mix(in srgb, var(--color-primary) 30%, transparent), transparent 100%), var(--color-ground); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr); gap: clamp(32px, 5vw, 72px); align-items: center; }
.loop { display: block; width: 100%; height: auto; }
.loop-ring { fill: none; stroke: var(--color-line-strong); stroke-width: 1.5; }
.loop-arrows path { fill: var(--color-ink-muted); }
.loop-node rect { fill: var(--color-surface); stroke: var(--color-line-strong); }
.loop-node text { fill: var(--color-ink); font: 500 20px var(--font); text-anchor: middle; }
.loop-centre { fill: var(--color-ink-muted); font: 400 21px var(--font); text-anchor: middle; }
.gov-band { fill: none; stroke: color-mix(in srgb, var(--color-primary) 16%, var(--color-surface)); stroke-width: 46; }
.gov-text { fill: var(--color-ink); font: 500 17px var(--font); }
.loop-centre.strong { fill: var(--color-ink); font-size: 30px; font-weight: 500; letter-spacing: -.02em; }

/* Sections */
.section { padding: clamp(64px, 9vw, 128px) 0; background: var(--color-canvas); color: var(--color-ink); }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 88px); align-items: center; }
.points { margin-top: 28px; border-top: 1px solid var(--color-line); }
.points li { padding: 14px 0; border-bottom: 1px solid var(--color-line); }

/* Panels */
.panel { padding: clamp(20px, 3vw, 32px); border: 1px solid var(--color-line); border-radius: var(--radius-card); background: var(--color-surface); }
.panel-label { margin-bottom: 18px; font-size: 13px; font-weight: 500; letter-spacing: .08em; text-transform: uppercase; color: var(--color-ink-muted); }
.panel-note { margin-top: 16px; font-size: 13px; color: var(--color-ink-muted); }
.decision-title { font-size: 22px; font-weight: 500; line-height: 1.25; letter-spacing: -.01em; }
.facts { margin-top: 18px; border-top: 1px solid var(--color-line); }
.facts div { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 16px; padding: 11px 0; border-bottom: 1px solid var(--color-line); font-size: 15px; }
.facts dt { color: var(--color-ink-muted); }
.decision-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 20px; }
.chip { padding: 8px 16px; border: 1px solid var(--color-line-strong); border-radius: 999px; font-size: 14px; font-weight: 500; }
.chip-solid { border-color: var(--color-ink); background: var(--color-ink); color: var(--color-canvas); }

/* Agents */
.agent-row { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); margin-top: 48px; border-block: 1px solid var(--color-line-strong); }
.agent-row li { padding: 28px 12px; font-size: clamp(20px, 2.2vw, 28px); font-weight: 500; letter-spacing: -.02em; text-align: center; }
.agent-row li + li { border-left: 1px solid var(--color-line); }
.agent-row li:nth-child(4n+1) { border-left: 0; }
.agent-row li:nth-child(n+5) { border-top: 1px solid var(--color-line); }

/* Knowledge flow */
.flow { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; margin-top: 48px; }
.flow-step { padding: clamp(20px, 2.4vw, 28px); border: 1px solid var(--color-line); border-radius: var(--radius-card); background: var(--color-surface); }
.tags { display: flex; flex-wrap: wrap; gap: 8px; }
.tags li { padding: 7px 14px; border: 1px solid var(--color-line-strong); border-radius: 8px; font-size: 15px; }
.flow-fact { font-size: 19px; font-weight: 500; }
.flow-source { margin-bottom: 14px; font-size: 15px; color: var(--color-ink-muted); }
.flow-source:last-child { margin-bottom: 0; }
.flow-question { margin-bottom: 12px; font-size: 19px; font-weight: 500; line-height: 1.35; }

/* Brain and vault: on the deeper ground, so it reads apart from the knowledge section below */
.depth { background: var(--color-ground); border-bottom: 1px solid var(--color-line); }
.pair { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 48px; }
.pair-card { padding: clamp(24px, 3vw, 36px); border: 1px solid var(--color-line); border-radius: var(--radius-card); background: var(--color-surface); }
.pair-art { display: block; width: min(260px, 70%); height: auto; margin: 0 auto 8px; }
.pair-card > p { margin-top: 14px; color: var(--color-ink-soft); }

/* Audit log */
.log li { padding: 13px 0; border-top: 1px solid var(--color-line); font-size: 15px; line-height: 1.45; color: var(--color-ink-soft); }
.log li:first-child { border-top: 0; padding-top: 0; }
.log span { font-weight: 600; color: var(--color-ink); }
.log em { font-style: normal; color: var(--color-ink-muted); }

/* Runbook versions */
.versions li { display: flex; gap: 16px; align-items: flex-start; padding: 14px 0; border-top: 1px solid var(--color-line); }
.versions li:first-child { border-top: 0; padding-top: 0; }
.version { flex: none; min-width: 42px; padding: 3px 0; border: 1px solid var(--color-line-strong); border-radius: 8px; font-size: 14px; font-weight: 500; text-align: center; }
.version-title { font-size: 17px; font-weight: 500; line-height: 1.35; }
.version-note { font-size: 15px; line-height: 1.4; color: var(--color-ink-muted); }
/* The squid sits on the top edge of the panel, to the right of its label */
.perch-art { position: relative; z-index: 1; display: block; width: min(220px, 50%); height: auto; margin: 0 8% -40px auto; }
.reach { margin-top: 6px; padding-top: 16px; border-top: 1px solid var(--color-line); font-size: 15px; font-weight: 500; }

/* Results */
.roadmap { margin-top: 28px; border-top: 1px solid var(--color-line-strong); }
.roadmap li { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 16px; padding: 14px 0; border-bottom: 1px solid var(--color-line-strong); font-weight: 500; }
.status { font-size: 15px; font-weight: 400; color: var(--color-ink-muted); }
.status-now { font-weight: 600; color: var(--color-ink); }
.result-question { margin-top: 22px; }
.panel-row { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: baseline; gap: 8px 16px; }
.live { display: inline-flex; align-items: center; gap: 8px; margin-bottom: 18px; font-size: 13px; font-weight: 500; color: var(--color-ink-muted); }
.live::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--color-primary); }
.goal-progress { margin-top: 6px; font-size: 15px; color: var(--color-ink-muted); }
.goal-progress strong { font-weight: 600; color: var(--color-ink); }
.experiment-name { margin-top: 24px; font-size: 17px; font-weight: 500; }
.experiment-name span { margin-left: 8px; font-size: 15px; font-weight: 400; color: var(--color-ink-muted); }
.experiment-name + .facts { margin-top: 10px; }

/* Who it's for */
h3 { margin: 0; font-size: clamp(22px, 2.2vw, 28px); font-weight: 500; line-height: 1.2; letter-spacing: -.02em; }
.audiences { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; margin-top: 48px; }
.audience { padding: clamp(24px, 3vw, 36px); border: 1px solid var(--color-line); border-radius: var(--radius-card); background: var(--color-surface); }
.audience p { margin-top: 14px; color: var(--color-ink-soft); }

/* Closing */
.closing { padding: clamp(80px, 11vw, 150px) 0; background: radial-gradient(ellipse 60% 70% at 50% 110%, color-mix(in srgb, var(--color-primary) 28%, transparent), transparent 100%), var(--color-ground); text-align: center; }
.closing-art { display: block; width: min(860px, 100%); height: auto; margin: 0 auto clamp(40px, 5vw, 64px); }
.closing h2 { margin: 0 auto; }
.closing-lead { max-width: 32em; margin: 22px auto 36px; font-size: clamp(18px, 1.6vw, 21px); line-height: 1.5; color: var(--color-ink-soft); }

.footer { background: var(--color-ground); border-top: 1px solid var(--color-line); font-size: 14px; color: var(--color-ink-muted); }
.footer-row { display: flex; justify-content: space-between; align-items: center; min-height: 72px; }
.footer a { display: inline-flex; align-items: center; min-height: 44px; }

@media (max-width: 900px) {
  .hero-grid, .split, .flow, .audiences, .pair { grid-template-columns: minmax(0, 1fr); }
  .loop { max-width: 480px; margin-inline: auto; }
  .nav-links { display: none; }
  .agent-row { grid-template-columns: minmax(0, 1fr); }
  .agent-row li { padding: 16px 0; text-align: left; }
  .agent-row li + li { border-left: 0; border-top: 1px solid var(--color-line); }
}
@media (max-width: 640px) {
  .wrap { padding-inline: 16px; }
  .button { width: 100%; }
  .perch-art { width: 160px; margin: 0 4% -12px auto; }
}