/* ============================================================
   Data Labs — shared design system
   Brand tokens lifted from maxandhailey.com template.html so the
   prototypes feel native: Fraunces + Geist Mono, cream paper,
   ink text, burnt-orange "stamp" accent, teal "sea".
   ============================================================ */

:root {
  --paper: #F1EBDD;
  --paper-deep: #EAE2D0;
  --paper-rgb: 241, 235, 221;
  --ink: #1C1814;
  --ink-soft: #4A4232;
  --ink-rgb: 28, 24, 20;
  --stamp: #B2401C;
  --stamp-soft: #C96A3F;
  --sea: #2F5E5A;
  --line: rgba(var(--ink-rgb), 0.14);
  --line-strong: rgba(var(--ink-rgb), 0.28);
  --card: rgba(var(--paper-rgb), 0.55);
  --shadow: 0 1px 0 rgba(var(--ink-rgb), 0.04), 0 18px 40px -28px rgba(var(--ink-rgb), 0.45);
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;
}

@media (prefers-color-scheme: dark) {
  :root {
    --paper: #171310;
    --paper-deep: #1f1a13;
    --paper-rgb: 23, 19, 16;
    --ink: #ede5cb;
    --ink-soft: #cfc4a8;
    --ink-rgb: 237, 229, 203;
    --stamp: #d4623a;
    --stamp-soft: #e08355;
    --sea: #5d8e8b;
    --card: rgba(255, 255, 255, 0.035);
    --shadow: 0 18px 50px -30px #000;
  }
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--serif);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* paper grain */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 0;
  opacity: 0.5;
  background-image: radial-gradient(rgba(var(--ink-rgb), 0.035) 1px, transparent 1px);
  background-size: 4px 4px;
}

a { color: inherit; }

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

.eyebrow {
  font-family: var(--mono);
  text-transform: uppercase;
  letter-spacing: 0.32em;
  font-size: 11px;
  font-weight: 500;
  color: var(--stamp);
}

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* top bar shared across prototypes */
.lab-bar {
  position: sticky; top: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px;
  background: rgba(var(--paper-rgb), 0.82);
  backdrop-filter: saturate(140%) blur(12px);
  border-bottom: 1px solid var(--line);
  font-family: var(--mono); font-size: 12px;
  text-transform: uppercase; letter-spacing: 0.18em;
}
.lab-bar a { text-decoration: none; opacity: 0.78; transition: opacity 0.2s; }
.lab-bar a:hover { opacity: 1; color: var(--stamp); }
.lab-bar .crumb::before { content: "‹  "; }
.lab-bar .tag {
  border: 1px solid var(--line-strong); border-radius: 999px;
  padding: 4px 11px; font-size: 10px; letter-spacing: 0.22em; opacity: 0.7;
}

/* big stat block */
.stat { line-height: 1; }
.stat .num {
  font-family: var(--serif);
  font-weight: 340;
  font-size: clamp(40px, 7vw, 88px);
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
}
.stat .lbl {
  font-family: var(--mono); font-size: 11px; text-transform: uppercase;
  letter-spacing: 0.2em; color: var(--ink-soft); margin-top: 8px;
}

.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* fade-up on reveal */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.7s ease, transform 0.7s cubic-bezier(.2,.7,.2,1); }
.reveal.in { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  .reveal { transition: none; opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}