/* Executive Slate: warm sand + navy, serif headings. Tokens first; dark mode swaps them. */
:root {
  --bg: #f7f4ee;
  --surface: #ffffff;
  --ink: #16202e;
  --ink-soft: #44505f;
  --ink-muted: #66707d;
  --line: #e6dfd2;
  --accent: #8a6f4d;
  --accent-ink: #6b5336;
  --btn-bg: #16202e;
  --btn-ink: #f7f4ee;
  --focus: #1d4ed8;
  --radius: 14px;
  --max: 1120px;
  --gutter: clamp(16px, 4vw, 40px);
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0f1722;
    --surface: #17212f;
    --ink: #f1ede4;
    --ink-soft: #c3cbd6;
    --ink-muted: #98a3b1;
    --line: #2a3648;
    --accent: #d1b48a;
    --accent-ink: #e2c9a3;
    --btn-bg: #f1ede4;
    --btn-ink: #0f1722;
    --focus: #8fb0ff;
  }
}
:root[data-theme="dark"] {
  --bg: #0f1722; --surface: #17212f; --ink: #f1ede4; --ink-soft: #c3cbd6; --ink-muted: #98a3b1;
  --line: #2a3648; --accent: #d1b48a; --accent-ink: #e2c9a3; --btn-bg: #f1ede4; --btn-ink: #0f1722; --focus: #8fb0ff;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } * { transition: none !important; animation: none !important; } }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.6 var(--sans); -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--focus); outline-offset: 3px; border-radius: 4px; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--btn-bg); color: var(--btn-ink); padding: 10px 14px; border-radius: 8px; z-index: 100; }
.skip:focus { left: 8px; }

/* nav */
.nav-wrap { position: sticky; top: 0; z-index: 20; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(8px); border-bottom: 1px solid transparent; }
.nav { max-width: var(--max); margin: 0 auto; padding: 16px var(--gutter); display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.logo { font: 600 18px var(--serif); text-decoration: none; }
.nav ul { display: flex; gap: 26px; list-style: none; margin: 0; padding: 0; font-size: 14px; }
.nav ul a { text-decoration: none; color: var(--ink-soft); padding: 6px 0; border-bottom: 2px solid transparent; }
.nav ul a:hover, .nav ul a[aria-current="true"] { color: var(--ink); border-bottom-color: var(--accent); }
.nav-toggle { display: none; background: none; border: 1px solid var(--line); border-radius: 10px; width: 44px; height: 44px; cursor: pointer; padding: 0; }
.nav-toggle span { display: block; width: 18px; height: 2px; background: var(--ink); margin: 4px auto; }

/* layout */
main { max-width: var(--max); margin: 0 auto; padding: 0 var(--gutter); }
.band { padding: clamp(40px, 7vw, 72px) 0 0; }
.section-title { font: 500 clamp(26px, 4vw, 36px)/1.15 var(--serif); margin: 0 0 14px; }
.section-lead { color: var(--ink-soft); max-width: 640px; margin: 0 0 26px; }
.two-col { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(24px, 5vw, 56px); align-items: start; }
.row { display: flex; gap: 12px; flex-wrap: wrap; }

/* hero */
.hero { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(24px, 5vw, 56px); align-items: center; padding: clamp(28px, 6vw, 64px) 0 clamp(28px, 5vw, 48px); }
.eyebrow { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: var(--accent-ink); font-weight: 600; margin: 0; }
.hero h1 { font: 500 clamp(34px, 6vw, 56px)/1.05 var(--serif); margin: 14px 0 18px; }
.lead { font-size: clamp(16px, 2vw, 18px); color: var(--ink-soft); max-width: 540px; margin: 0 0 26px; }
.hero-photo img { width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: 200px 200px 16px 16px; background: var(--line); }
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 12px 22px; font: 600 14px var(--sans); text-decoration: none; border-radius: 10px; cursor: pointer; border: 1px solid transparent; }
.btn.primary { background: var(--btn-bg); color: var(--btn-ink); }
.btn.secondary { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn:disabled { opacity: .6; cursor: progress; }

/* metrics + cards */
.metrics { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; padding-bottom: 8px; }
.metric { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; }
.metric b { display: block; font: 500 clamp(28px, 4vw, 36px) var(--serif); }
.metric span { color: var(--ink-muted); font-size: 13px; }
.cards { display: grid; gap: 18px; }
.cards.three { grid-template-columns: repeat(3, 1fr); }
.cards.four { grid-template-columns: repeat(4, 1fr); }
.card { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 22px; }
.card h3 { font: 500 20px/1.25 var(--serif); margin: 0 0 8px; }
.card p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }

/* prose + facts */
.prose p { margin: 0 0 14px; color: var(--ink-soft); font-size: 17px; }
.facts { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.facts li { background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; color: var(--ink-soft); font-size: 14.5px; }
.facts b { display: block; color: var(--ink); font-weight: 600; margin-bottom: 2px; }

/* timeline */
.timeline { list-style: none; margin: 0 0 40px; padding: 0; display: grid; gap: 28px; }
.timeline > li { display: grid; grid-template-columns: 170px 1fr; gap: 24px; padding-top: 24px; border-top: 1px solid var(--line); }
.when { color: var(--accent-ink); font-weight: 600; font-size: 14px; }
.timeline h3 { font: 500 22px/1.2 var(--serif); margin: 0; }
.org { color: var(--ink-muted); margin: 2px 0 12px; font-size: 14px; }
.timeline ul { margin: 0; padding-left: 18px; color: var(--ink-soft); display: grid; gap: 8px; font-size: 15px; }
.earlier h3 { font: 500 20px var(--serif); margin: 0 0 12px; }

/* simple label / value lists */
.plain { list-style: none; margin: 0; padding: 0; }
.plain li { display: flex; justify-content: space-between; gap: 16px; padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 14.5px; color: var(--ink-soft); }
.plain li:last-child { border-bottom: 0; }
.plain i { font-style: normal; color: var(--ink-muted); white-space: nowrap; font-size: 13px; }
.plain.wide { max-width: 760px; }
.card .plain li { padding: 9px 0; }

/* forms */
.form { display: grid; gap: 14px; }
.form label { display: grid; gap: 6px; font-weight: 600; font-size: 14px; }
.opt { font-weight: 400; color: var(--ink-muted); }
.form input, .form textarea { font: 400 16px var(--sans); padding: 12px 14px; border: 1px solid var(--line); border-radius: 10px; background: var(--surface); color: var(--ink); width: 100%; }
.form input[aria-invalid="true"], .form textarea[aria-invalid="true"] { border-color: #b42318; }
.trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.status { margin: 0; min-height: 1.4em; font-size: 14px; color: var(--ink-soft); }
.status.ok { color: #1a7f4b; }
.status.err { color: #b42318; }
@media (prefers-color-scheme: dark) { .status.ok { color: #56d39a; } .status.err { color: #ff8a80; } }
.side h3 { font: 500 20px var(--serif); margin: 0 0 6px; }
.side h3:not(:first-child) { margin-top: 26px; }
.side p { margin: 0 0 12px; color: var(--ink-soft); }
dialog { width: min(520px, calc(100vw - 32px)); border: 1px solid var(--line); border-radius: 18px; background: var(--bg); color: var(--ink); padding: 26px; }
dialog::backdrop { background: rgba(10, 16, 26, .55); }
dialog h2 { font: 500 26px var(--serif); margin: 0 0 6px; }
dialog p { margin: 0 0 8px; color: var(--ink-soft); }

/* footer */
.footer { max-width: var(--max); margin: 64px auto 0; padding: 28px var(--gutter) 48px; border-top: 1px solid var(--line); color: var(--ink-muted); font-size: 13px; }
.footer p { margin: 0 0 8px; }
.privacy { max-width: 760px; }

/* tablet / phone */
@media (max-width: 900px) {
  .cards.four { grid-template-columns: repeat(2, 1fr); }
  .cards.three { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .hero, .two-col { grid-template-columns: 1fr; }
  .hero-photo { order: -1; max-width: 340px; }
  .hero-photo img { aspect-ratio: 1 / 1; }
  .metrics { grid-template-columns: repeat(2, 1fr); }
  .cards.four { grid-template-columns: 1fr; }
  .timeline > li { grid-template-columns: 1fr; gap: 6px; }
  .nav-toggle { display: block; }
  .nav ul { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--bg); border-bottom: 1px solid var(--line); padding: 8px var(--gutter) 16px; }
  .nav ul.open { display: flex; }
  .nav ul a { display: block; padding: 12px 0; font-size: 16px; }
  .plain li { flex-direction: column; gap: 2px; }
  .plain i { white-space: normal; }
  .btn { width: 100%; }
  .row .btn { flex: 1 1 100%; }
}

/* link lists (articles) and small notes */
.plain.stacked li { flex-direction: column; gap: 2px; align-items: flex-start; }
.plain.stacked i { white-space: normal; }
.plain a { color: var(--ink); text-decoration: underline; text-decoration-color: var(--line); text-underline-offset: 3px; }
.plain a:hover { text-decoration-color: var(--accent); }
.note { margin: 12px 0 0; font-size: 13px; color: var(--ink-muted); }
.more { margin: 18px 0 0; font-size: 14px; }