/* Visual language after the chosen reference: a white top bar, a deep
   navy band, white and light grey sections, one soft sky blue for actions,
   a bold grotesk in navy, pill buttons and chevrons. */
:root {
  --navy: #000047;
  --navy-line: #2a2a6e;
  --navy-soft: #b9c8ea;
  --sky: #6ba6db;
  --sky-tint: #e6f0fa;
  --blue: #1032cf;
  --page: #ffffff;
  --grey: #f4f4f4;
  --line: #d6d6d6;
  --text: #191919;
  --muted: #555b63;
  --warn: #b3261e;
  --heading: var(--navy);
  --font: 'Schibsted Grotesk', 'Helvetica Neue', Arial, system-ui, sans-serif;
  --step-0: 0.875rem;
  --step-1: 1rem;
  --step-2: 1.3rem;
  --step-3: 1.65rem;
  --step-hero: clamp(2.1rem, 1.4rem + 3vw, 3.4rem);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --page: #0b0b2c; --grey: #12123a; --line: #2a2a6e; --text: #ecedf3; --muted: #a9b0c4;
    --heading: #ffffff; --sky-tint: #1b2a52; --blue: #8fb8e6; --warn: #ff8d7f;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --page: #0b0b2c; --grey: #12123a; --line: #2a2a6e; --text: #ecedf3; --muted: #a9b0c4;
  --heading: #ffffff; --sky-tint: #1b2a52; --blue: #8fb8e6; --warn: #ff8d7f;
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--page);
  color: var(--text);
  font-family: var(--font);
  font-size: var(--step-1);
  line-height: 1.55;
}
.wrap { max-width: 72rem; margin-inline: auto; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
@media (min-width: 48rem) { .wrap { padding-left: max(2rem, env(safe-area-inset-left, 0px)); padding-right: max(2rem, env(safe-area-inset-right, 0px)); } }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; font-weight: 700; color: var(--heading); text-wrap: balance; }
p { margin: 0; }
:focus-visible { outline: 3px solid var(--sky); outline-offset: 2px; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip-path: inset(50%); white-space: nowrap; }

/* Top bar */
.topbar { background: var(--page); border-block-end: 1px solid var(--line); }
.topbar-inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-block-size: 4.5rem; }
.wordmark { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.15rem 0.6rem; color: var(--heading); }
.wordmark-short { font-size: 1.5rem; font-weight: 800; letter-spacing: -0.02em; line-height: 1; }
.wordmark-long { font-size: 0.85rem; font-weight: 600; line-height: 1.15; color: var(--blue); }
.topbar-note { color: var(--muted); font-size: var(--step-0); display: none; }
@media (min-width: 40rem) { .topbar-note { display: block; } }

/* Navy hero with the stage picker inside it */
.hero { background: var(--navy); color: #ffffff; }
.hero-inner { display: grid; gap: 1.1rem; padding-block: 2rem 3.25rem; }
.hero h1 { color: #ffffff; font-size: var(--step-hero); font-weight: 700; max-width: 22ch; }
.lede { color: var(--navy-soft); max-width: 60ch; font-size: 1.05rem; }
.band-title { color: #ffffff; font-size: var(--step-2); margin-block-start: 1.5rem; }
.stage-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.75rem; grid-template-columns: repeat(auto-fit, minmax(min(100%, 10rem), 1fr)); }
.stage-step { display: flex; }
.stage-button {
  inline-size: 100%; display: grid; align-content: start; gap: 0.3rem;
  text-align: start; font: inherit; color: #ffffff; cursor: pointer;
  background: transparent; border: 1px solid var(--navy-line); border-radius: 0;
  padding: 1.1rem 1.2rem 1.25rem;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}
.stage-button:hover { border-color: var(--sky); }
.stage-number { color: var(--sky); font-size: var(--step-0); font-weight: 600; }
.stage-name { font-weight: 700; font-size: 1.15rem; }
.stage-summary { color: var(--navy-soft); font-size: var(--step-0); line-height: 1.45; }
.stage-step[data-state="current"] .stage-button { background: var(--sky); border-color: var(--sky); color: var(--navy); }
.stage-step[data-state="current"] .stage-number,
.stage-step[data-state="current"] .stage-summary { color: var(--navy); }
.stage-focus { display: grid; gap: 0.3rem; margin-block-start: 1.5rem; }
.focus-line { font-size: var(--step-3); font-weight: 700; color: #ffffff; }
.signals { color: var(--navy-soft); }

/* Tabs as pill buttons */
.content { display: grid; gap: 2rem; padding-block: 2.5rem 3.5rem; }
.tabs { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.tabs button {
  font: inherit; font-weight: 700; font-size: 0.95rem; cursor: pointer;
  color: var(--heading); background: transparent;
  border: 2px solid var(--sky); border-radius: 100px; padding: 0.55rem 1.2rem;
}
.tabs button:hover { background: var(--sky-tint); }
.tabs button[aria-selected="true"] { background: var(--sky); color: var(--navy); }
.panel { display: grid; gap: 2rem; }
.panel[hidden] { display: none; }
.panel > div { display: grid; gap: 2rem; min-width: 0; }
.panel-intro { color: var(--muted); max-width: 64ch; }

.footer { background: var(--grey); color: var(--muted); font-size: var(--step-0); padding-block: 2rem; }
.footer p { max-width: 70ch; }

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; animation: none !important; }
}
.not-found { padding-block: 4rem; display: grid; gap: 1rem; }