/* ─────────────────────────────────────────────────────────────
   Carroll Park Capital — Sovereign system
   Ported from the Claude Design handoff (Sovereign/styles.css),
   plus responsive rules for phones/tablets (the prototype was
   desktop-only) and live-data flash.
   ───────────────────────────────────────────────────────────── */

/* TOKENS ──────────────────────────────────────────────────── */
:root {
  --cream: #f3eee5;
  --cream-deep: #e8e2d4;
  --ink: #141414;
  --ink-soft: #3a3631;
  --ink-mute: #6f685e;
  --rule: rgba(20, 20, 20, 0.14);
  --rule-soft: rgba(20, 20, 20, 0.08);

  --orange: #f7931a;
  --orange-deep: #e07a0c;
  --green: #1f7a3f;
  --red: #c0392b;

  /* aliases the live-data script references */
  --color-success: var(--green);
  --color-error: var(--orange-deep);
  --color-warning: var(--orange-deep);

  --f-display: "Instrument Serif", "Times New Roman", Times, serif;
  --f-sans: "Geist", -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  --f-mono: "Geist Mono", "JetBrains Mono", ui-monospace, monospace;

  --gutter: 56px;
  --max: 1440px;
  --rule-w: 1px;
  --rule-w-2: 2px;
}

/* RESET ───────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  background: var(--cream);
  color: var(--ink);
  font-family: var(--f-sans);
  font-size: 16px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }
hr { border: 0; border-top: var(--rule-w) solid var(--rule); margin: 0; }

/* TYPE ────────────────────────────────────────────────────── */
.display, .h1, .h2 { font-family: var(--f-display); font-weight: 400; letter-spacing: -0.025em; line-height: 0.95; }
.display { font-size: clamp(64px, 9vw, 124px); }
.h1 { font-size: clamp(48px, 6vw, 88px); }
.h2 { font-size: clamp(36px, 4.5vw, 64px); }
.h3 { font-family: var(--f-display); font-weight: 400; letter-spacing: -0.02em; font-size: clamp(28px, 3vw, 44px); line-height: 1.05; }
.italic, em { font-style: italic; }
.accent { color: var(--orange); font-style: italic; }
.accent-deep { color: var(--orange-deep); }
.subtle { color: var(--ink-soft); }
.mute { color: var(--ink-mute); }

.eyebrow { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.22em; color: var(--orange-deep); }
.label { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--ink-soft); text-transform: uppercase; }
.lead { font-size: 19px; line-height: 1.55; color: var(--ink-soft); max-width: 56ch; }
.body-lg { font-size: 20px; line-height: 1.6; }
.body { font-size: 16px; line-height: 1.6; }
.mono { font-family: var(--f-mono); }
.tabular { font-variant-numeric: tabular-nums; }

/* MASTHEAD STRIP ──────────────────────────────────────────── */
.masthead-strip {
  border-bottom: var(--rule-w) solid var(--rule);
  padding: 14px var(--gutter);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 24px;
  font-family: var(--f-mono);
  font-size: clamp(10px, 0.95vw, 13px);
  letter-spacing: 0.18em;
  color: var(--ink-soft);
  white-space: nowrap;
  overflow: hidden;
}
.masthead-strip .ticker { display: flex; align-items: baseline; gap: clamp(14px, 2vw, 32px); min-width: 0; }
.masthead-strip .ticker > span { display: inline-flex; align-items: baseline; gap: 6px; }
.masthead-strip .ticker .sym { color: var(--orange-deep); letter-spacing: 0.18em; }
.masthead-strip .ticker .px { color: var(--ink); letter-spacing: 0.04em; }
.masthead-strip .ticker .chg { letter-spacing: 0.04em; }
.masthead-strip .ticker .up { color: var(--green); }
.masthead-strip .ticker .down { color: var(--orange-deep); }
.masthead-strip .block { color: var(--ink-soft); letter-spacing: 0.2em; flex-shrink: 0; }
.masthead-strip .block .n { color: var(--ink); letter-spacing: 0.04em; }

/* HEADER NAV ──────────────────────────────────────────────── */
.nav { padding: 28px var(--gutter); display: grid; grid-template-columns: auto 1fr auto; align-items: center; gap: 32px; }
.nav .brand { font-family: var(--f-display); font-size: 30px; letter-spacing: -0.02em; line-height: 1; }
.nav ul { list-style: none; margin: 0; padding: 0; display: flex; gap: 28px; justify-content: center; }
.nav a { color: var(--ink); font-size: 15px; }
.nav a[aria-current="page"] { border-bottom: 1px solid var(--ink); padding-bottom: 2px; }
.nav-toggle { display: none; }

/* BUTTONS ─────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 8px; font-family: var(--f-sans); font-size: 15px; font-weight: 500; padding: 14px 22px; border: 1px solid transparent; letter-spacing: -0.005em; transition: background 0.15s, color 0.15s, border-color 0.15s; }
.btn.btn-primary { background: var(--ink); color: var(--cream); }
.btn.btn-primary:hover { background: #000; color: var(--cream); }
.btn.btn-orange { background: var(--orange); color: var(--cream); }
.btn.btn-orange:hover { background: var(--orange-deep); color: var(--cream); }
.btn.btn-ghost { background: transparent; color: var(--ink); border-color: var(--ink); }
.btn.btn-ghost:hover { background: var(--ink); color: var(--cream); }
.btn.btn-ghost-light { background: transparent; color: var(--cream); border-color: rgba(255,255,255,0.4); }
.btn.btn-ghost-light:hover { background: rgba(255,255,255,0.08); border-color: var(--cream); color: var(--cream); }
.btn-sm { padding: 10px 16px; font-size: 14px; }
.btn-lg { padding: 16px 24px; font-size: 15px; }

/* SECTIONS ────────────────────────────────────────────────── */
.section { padding: 96px var(--gutter); }
.section-tight { padding: 64px var(--gutter); }
.section-rule { border-top: var(--rule-w) solid var(--rule); }
.section.dark { background: var(--ink); color: var(--cream); }
.section.dark .lead, .section.dark .subtle { color: #cfc9bd; }
.section.dark .eyebrow { color: var(--orange); }
.section.dark .label { color: #9d978a; }
.section.deep { background: var(--cream-deep); }

.section-head { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: end; margin-bottom: 48px; }
.section-head .h2-wrap { max-width: 14ch; }
.section-head p { margin: 0; max-width: 52ch; }

/* CARDS ──────────────────────────────────────────────────── */
.card { background: var(--cream-deep); padding: 32px; border-top: var(--rule-w-2) solid var(--orange); }
.card.dark { background: #1c1a17; color: var(--cream); border-top-color: var(--orange); }
.card-eyebrow { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.22em; color: var(--ink-soft); margin-bottom: 16px; }
.card.dark .card-eyebrow { color: #cfc9bd; }
.card-body { font-size: 15px; line-height: 1.6; color: var(--ink-soft); margin: 0; }
.card.dark .card-body { color: #cfc9bd; }

/* DATA / TABLE ROW ────────────────────────────────────────── */
.row { display: grid; padding: 20px 0; border-bottom: var(--rule-w) solid var(--rule-soft); align-items: baseline; }
.row:last-child { border-bottom: 0; }
.row-head { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.2em; color: var(--ink-soft); text-transform: uppercase; padding-bottom: 12px; border-bottom: var(--rule-w) solid var(--rule); }

/* COUNTDOWN ──────────────────────────────────────────────── */
.halving { background: var(--cream-deep); padding: 28px; border-top: var(--rule-w-2) solid var(--orange); }
.halving .digits { display: grid; grid-template-columns: repeat(4, 1fr); border-top: var(--rule-w) solid var(--rule); }
.halving .digit { padding: 16px 0; text-align: center; border-right: var(--rule-w) solid var(--rule-soft); }
.halving .digit:last-child { border-right: 0; }
.halving .digit .n { font-family: var(--f-display); font-size: 36px; letter-spacing: -0.02em; font-variant-numeric: tabular-nums; line-height: 1; }
.halving .digit .l { font-family: var(--f-mono); font-size: 10px; letter-spacing: 0.15em; color: var(--ink-soft); margin-top: 4px; text-transform: uppercase; }

/* FOOTER ─────────────────────────────────────────────────── */
.footer { padding: 96px var(--gutter) 48px; border-top: var(--rule-w) solid var(--rule); }
.footer .farewell { font-family: var(--f-display); font-size: clamp(56px, 8vw, 120px); line-height: 0.95; letter-spacing: -0.025em; margin: 0 0 56px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; border-top: var(--rule-w) solid var(--rule); padding-top: 32px; }
.footer-col h4 { font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.25em; color: var(--ink-soft); margin: 0 0 16px; text-transform: uppercase; font-weight: 500; }
.footer-col p, .footer-col a { font-size: 14px; padding: 3px 0; display: block; }
.footer-fine { margin-top: 48px; padding-top: 16px; border-top: var(--rule-w) solid var(--rule); display: flex; justify-content: space-between; gap: 16px; font-family: var(--f-mono); font-size: 11px; letter-spacing: 0.1em; color: var(--ink-soft); }

/* PULLQUOTE / LINK-ARROW / CARD-TITLE (used by strategy.html) */
.pullquote {
  font-family: var(--f-display); font-style: italic;
  font-size: clamp(28px, 3.5vw, 40px); line-height: 1.2; letter-spacing: -0.02em;
  margin: 0; padding: 24px 32px; background: var(--cream-deep); border-left: 3px solid var(--orange);
}
.pullquote cite { display: block; font-family: var(--f-mono); font-style: normal; font-size: 12px; letter-spacing: 0.15em; color: var(--ink-soft); margin-top: 20px; }
.link-arrow { font-family: var(--f-mono); font-size: 12px; letter-spacing: 0.15em; color: var(--ink); border-bottom: 1px solid var(--ink); padding-bottom: 4px; display: inline-block; }
.link-arrow.accent { color: var(--orange-deep); border-color: var(--orange-deep); font-style: normal; }
.card-title { font-family: var(--f-display); font-weight: 400; font-size: 32px; letter-spacing: -0.02em; line-height: 1.05; margin: 0 0 12px; }

/* SPARKLINE ──────────────────────────────────────────────── */
.spark { display: block; }

/* LIVE UPDATE FLASH ──────────────────────────────────────── */
@keyframes cpc-flash { 0% { background: var(--orange); color: var(--cream); } 100% { background: transparent; } }
.data-flash { animation: cpc-flash 0.6s ease-out; }

/* PROMO BAND (homepage → Strategy) */
.promo { background: var(--orange); }
.promo-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 48px;
  color: var(--ink); flex-wrap: wrap;
}
.promo-inner:hover .promo-cta { background: var(--ink); color: var(--orange); }
.promo p { max-width: 46ch; margin: 18px 0 0; font-size: 18px; line-height: 1.55; color: rgba(20, 20, 20, 0.82); }
.promo-cta {
  flex-shrink: 0;
  font-family: var(--f-mono); font-size: 13px; letter-spacing: 0.1em;
  padding: 16px 24px; border: 1px solid var(--ink); color: var(--ink);
  white-space: nowrap; transition: background .15s, color .15s;
}
@media (max-width: 760px) { .promo-inner { flex-direction: column; align-items: flex-start; gap: 28px; } }

/* RESPONSIVE ─────────────────────────────────────────────── */
@media (max-width: 1024px) {
  :root { --gutter: 32px; }
  .section { padding: 72px var(--gutter); }
}
@media (max-width: 860px) {
  /* Hero stacks; halving aside drops below */
  .hero-grid { grid-template-columns: 1fr !important; gap: 40px !important; }
  .section-head { grid-template-columns: 1fr; gap: 20px; align-items: start; }
  .section-head .h2-wrap { max-width: none; }
  .philosophy-grid { grid-template-columns: 1fr !important; gap: 28px !important; }
  .philosophy-list { grid-template-columns: 1fr !important; }
  .services-grid { grid-template-columns: 1fr !important; }
  .terminal-meta { gap: 8px; }
  /* horizontal scroll for the dense market rows */
  .terminal-scroll { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .terminal-scroll .terminal-inner { min-width: 640px; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 820px) {
  /* Inline grid-template-columns beat media queries, so force-collapse
     the hero / philosophy / STACK grids on phones with !important. */
  .hero-grid, .philosophy-grid, .philosophy-list { grid-template-columns: 1fr !important; }
}
@media (max-width: 720px) {
  /* Collapsible nav */
  .nav { grid-template-columns: 1fr auto; }
  .nav nav { display: none; grid-column: 1 / -1; }
  .nav nav.open { display: block; }
  .nav nav ul { flex-direction: column; align-items: flex-start; gap: 4px; justify-content: flex-start; padding-top: 16px; }
  .nav nav.open + .btn { display: none; }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; width: 40px; height: 40px; border: 1px solid var(--rule); background: transparent; }
  .nav .btn-primary { justify-self: end; }
  /* Ticker scrolls instead of hard-clipping a number mid-digit; block hidden */
  .masthead-strip { overflow-x: auto; overflow-y: hidden; -webkit-overflow-scrolling: touch; }
  .masthead-strip .block { display: none; }
}
@media (max-width: 560px) {
  .section { padding: 56px var(--gutter); }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-fine { flex-direction: column; gap: 8px; }
}

/* PRINT ──────────────────────────────────────────────────── */
@media print { .nav, .footer, .masthead-strip { display: none; } }