/* Off-Script Rich — shared style system
   Dark-first. Bare :root holds the dark palette; light is the swap. */

:root {
  /* ground + structure */
  --ink: #0a0f14;
  --surface: #121a22;
  --surface-2: #18232c;
  --line: #223039;
  --line-soft: #1a242c;

  /* text */
  --text: #e9eef1;
  --text-dim: #93a4b0;
  --text-faint: #63757f;

  /* brand accent (used sparingly) */
  --brass: #c99b4a;
  --brass-soft: rgba(201, 155, 74, 0.14);

  /* semantics, deliberately not the accent */
  --buy: #57a783;
  --buy-soft: rgba(87, 167, 131, 0.13);
  --sell: #c4544b;
  --sell-soft: rgba(196, 84, 75, 0.13);

  --shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset;

  --display: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;
  --body: "Public Sans", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --mono: "DM Mono", ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  --gutter: 20px;
  --maxw: 1080px;
  --readw: 66ch;
}

@media (prefers-color-scheme: light) {
  :root:not([data-theme="dark"]) {
    --ink: #f4f6f7;
    --surface: #ffffff;
    --surface-2: #eef1f3;
    --line: #d5dde2;
    --line-soft: #e4eaee;
    --text: #0a0f14;
    --text-dim: #4f6270;
    --text-faint: #7b8d99;
    --brass: #8a6420;
    --brass-soft: rgba(138, 100, 32, 0.1);
    --buy: #2f7a57;
    --buy-soft: rgba(47, 122, 87, 0.1);
    --sell: #a83a31;
    --sell-soft: rgba(168, 58, 49, 0.09);
    --shadow: 0 1px 2px rgba(10, 15, 20, 0.06);
  }
}

:root[data-theme="light"] {
  --ink: #f4f6f7;
  --surface: #ffffff;
  --surface-2: #eef1f3;
  --line: #d5dde2;
  --line-soft: #e4eaee;
  --text: #0a0f14;
  --text-dim: #4f6270;
  --text-faint: #7b8d99;
  --brass: #8a6420;
  --brass-soft: rgba(138, 100, 32, 0.1);
  --buy: #2f7a57;
  --buy-soft: rgba(47, 122, 87, 0.1);
  --sell: #a83a31;
  --sell-soft: rgba(168, 58, 49, 0.09);
  --shadow: 0 1px 2px rgba(10, 15, 20, 0.06);
}

*,
*::before,
*::after { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; }
[hidden] { display: none !important; }

a { color: inherit; }

:focus-visible {
  outline: 2px solid var(--brass);
  outline-offset: 2px;
  border-radius: 2px;
}

/* ---------- layout ---------- */

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.stack { display: flex; flex-direction: column; }

/* ---------- masthead ---------- */

.masthead {
  border-bottom: 1px solid var(--line);
  background: var(--ink);
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 20;
}

.masthead-in {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-block: 14px;
}

.wordmark {
  font-family: var(--display);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: -0.02em;
  font-stretch: 92%;
  text-decoration: none;
  display: inline-flex;
  align-items: baseline;
  gap: 1px;
}

.wordmark .off { color: var(--text); }
.wordmark .rich { color: var(--brass); }

.navlinks {
  display: flex;
  gap: 18px;
  font-size: 13px;
  letter-spacing: 0.02em;
}

.navlinks a {
  color: var(--text-dim);
  text-decoration: none;
  padding-block: 2px;
  border-bottom: 1px solid transparent;
}

.navlinks a:hover,
.navlinks a[aria-current="page"] {
  color: var(--text);
  border-bottom-color: var(--brass);
}

/* ---------- type ---------- */

h1, h2, h3 {
  font-family: var(--display);
  font-weight: 800;
  letter-spacing: -0.028em;
  font-stretch: 90%;
  text-wrap: balance;
  margin: 0;
  line-height: 1.04;
}

h1 { font-size: clamp(34px, 7vw, 58px); }
h2 { font-size: clamp(22px, 3.4vw, 30px); }
h3 { font-size: 18px; letter-spacing: -0.015em; }

p { margin: 0; }

.lede {
  font-size: clamp(16px, 2.2vw, 19px);
  color: var(--text-dim);
  max-width: var(--readw);
  line-height: 1.55;
}

.prose { max-width: var(--readw); display: flex; flex-direction: column; gap: 16px; }
.prose p { color: var(--text-dim); }
.prose strong { color: var(--text); font-weight: 600; }

.eyebrow {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--text-faint);
}

.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }

/* ---------- pillar chips ---------- */

.chip {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  padding: 3px 7px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--text-dim);
  white-space: nowrap;
}

.chip[data-pillar="money"] { color: var(--buy); border-color: color-mix(in srgb, var(--buy) 40%, transparent); }
.chip[data-pillar="ai"] { color: var(--brass); border-color: color-mix(in srgb, var(--brass) 45%, transparent); }
.chip[data-pillar="life"] { color: var(--text); border-color: var(--line); }

.keyword {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--brass);
  background: var(--brass-soft);
  border-radius: 2px;
  padding: 3px 8px;
  white-space: nowrap;
}

/* ---------- buttons ---------- */

.btn {
  font-family: var(--body);
  font-size: 14px;
  font-weight: 600;
  border: 1px solid var(--line);
  background: var(--surface);
  color: var(--text);
  border-radius: 3px;
  padding: 9px 15px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: border-color 0.12s ease, background 0.12s ease;
}

.btn:hover { border-color: var(--brass); }

.btn-primary {
  background: var(--brass);
  border-color: var(--brass);
  color: #0a0f14;
}

.btn-primary:hover { filter: brightness(1.08); }

/* ---------- footer ---------- */

.foot {
  border-top: 1px solid var(--line);
  margin-top: 72px;
  padding-block: 28px 40px;
  color: var(--text-faint);
  font-size: 13px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  align-items: baseline;
}

.foot a { color: var(--text-dim); text-decoration: none; border-bottom: 1px solid var(--line); }
.foot a:hover { color: var(--text); border-bottom-color: var(--brass); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}