/* ============================================
   RPE LAB — bold homepage styles
   ============================================ */

:root {
  --paper: #f2efe8;
  --paper-warm: #e8e4db;
  --ink: #14140f;
  --ink-soft: #2c2c26;
  --muted: #6f6d64;
  --rule: #d0ccc0;
  --accent: #a63a28;
  --accent-bright: #c94a34;
  --dark-surface: #14140f;
  --dark-muted: #a09c8f;
  --serif: "Fraunces", "Georgia", serif;
  --sans: "Inter", -apple-system, sans-serif;
  --mono: "JetBrains Mono", monospace;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  * { animation: none !important; transition: none !important; }
}

body { font-family: var(--sans); background: var(--paper); color: var(--ink); line-height: 1.55; font-size: 17px; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }
img { max-width: 100%; display: block; }
.wrap { max-width: 1240px; margin: 0 auto; padding: 0 32px; }

.top { background: var(--dark-surface); color: var(--paper); position: relative; overflow: hidden; }
.top::before { content: ""; position: absolute; inset: 0; background-image: radial-gradient(rgba(255,255,255,0.02) 1px, transparent 1px); background-size: 3px 3px; pointer-events: none; }

.site-header { padding: 22px 0; border-bottom: 1px solid rgba(255,255,255,0.08); position: relative; z-index: 2; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.brand { font-family: var(--serif); font-weight: 800; font-size: 1.3rem; letter-spacing: -0.015em; font-variation-settings: "opsz" 144, "SOFT" 40; }
.brand em { font-style: italic; font-weight: 500; color: var(--accent-bright); }
.main-nav { display: flex; gap: 28px; align-items: center; }
.main-nav a { font-family: var(--sans); font-size: 0.82rem; font-weight: 500; color: var(--dark-muted); text-transform: uppercase; letter-spacing: 0.12em; transition: color 150ms ease; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--paper); }
.main-nav .cta-nav { color: var(--paper); border: 1px solid var(--dark-muted); padding: 8px 16px; }
.main-nav .cta-nav:hover { border-color: var(--accent-bright); color: var(--accent-bright); }

.hero { padding: 120px 0 140px; position: relative; z-index: 2; }
.hero .kicker { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.2em; color: var(--accent-bright); margin-bottom: 32px; display: flex; align-items: center; gap: 14px; }
.hero .kicker::before { content: ""; display: inline-block; width: 32px; height: 1px; background: var(--accent-bright); }
.hero h1 { font-family: var(--serif); font-weight: 800; font-variation-settings: "opsz" 144, "SOFT" 30; font-size: clamp(3rem, 8vw, 6.5rem); line-height: 0.95; letter-spacing: -0.035em; max-width: 16ch; }
.hero h1 em { font-style: italic; font-weight: 500; color: var(--accent-bright); font-variation-settings: "opsz" 144, "SOFT" 100; }
.hero .lede { margin-top: 40px; max-width: 54ch; font-size: 1.2rem; color: var(--dark-muted); line-height: 1.55; }
.hero .actions { margin-top: 44px; display: flex; gap: 16px; flex-wrap: wrap; }
.btn { font-family: var(--sans); font-size: 0.85rem; font-weight: 600; padding: 16px 28px; text-transform: uppercase; letter-spacing: 0.1em; transition: transform 150ms ease, background 150ms ease, color 150ms ease; display: inline-flex; align-items: center; gap: 10px; }
.btn:hover { transform: translateY(-1px); }
.btn-fill { background: var(--accent); color: var(--paper); }
.btn-fill:hover { background: var(--accent-bright); }
.btn-fill::after { content: "→"; }
.btn-ghost { background: transparent; color: var(--paper); border: 1px solid var(--dark-muted); }
.btn-ghost:hover { border-color: var(--paper); }

.scale-section { background: var(--paper); color: var(--ink); padding: 88px 0 40px; border-bottom: 1px solid var(--rule); }
.scale-header { display: flex; justify-content: space-between; align-items: flex-end; gap: 24px; flex-wrap: wrap; margin-bottom: 48px; }
.scale-header .label { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--muted); }
.scale-header .label em { color: var(--accent); font-style: normal; font-weight: 700; }
.scale-header h2 { font-family: var(--serif); font-weight: 700; font-variation-settings: "opsz" 144, "SOFT" 40; font-size: clamp(1.4rem, 2.5vw, 1.85rem); letter-spacing: -0.015em; max-width: 32ch; color: var(--ink); }
.scale-header h2 em { font-style: italic; font-weight: 500; color: var(--accent); }
.scale { position: relative; padding: 0 0 24px; overflow-x: auto; }
.scale-track { display: grid; grid-template-columns: repeat(9, 1fr); align-items: end; gap: 0; min-width: 780px; border-bottom: 2px solid var(--ink); padding-bottom: 4px; }
.scale-tick { display: flex; flex-direction: column; align-items: center; padding-bottom: 8px; position: relative; }
.scale-tick::after { content: ""; position: absolute; bottom: -6px; width: 1px; background: var(--ink); }
.scale-tick.major::after { height: 14px; }
.scale-tick.minor::after { height: 8px; }
.scale-num { font-family: var(--serif); font-weight: 800; font-variation-settings: "opsz" 144, "SOFT" 30; letter-spacing: -0.03em; line-height: 1; }
.scale-tick.major .scale-num { font-size: clamp(2.2rem, 5vw, 4.2rem); color: var(--ink); }
.scale-tick.minor .scale-num { font-size: clamp(1rem, 1.6vw, 1.3rem); color: var(--muted); }
.scale-tick.hot .scale-num { color: var(--accent); }
.scale-legend { display: flex; justify-content: space-between; margin-top: 18px; font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted); min-width: 780px; }

.index-section { background: var(--paper); padding: 88px 0 100px; }
.section-head { display: flex; justify-content: space-between; align-items: baseline; gap: 20px; flex-wrap: wrap; padding-bottom: 20px; border-bottom: 2px solid var(--ink); margin-bottom: 0; }
.section-head .lbl { font-family: var(--mono); font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.18em; color: var(--ink); }
.section-head .lbl em { color: var(--accent); font-style: normal; font-weight: 700; }

.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0; }
.card { border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); padding: 32px 28px 32px 0; display: flex; flex-direction: column; min-height: 340px; transition: background 200ms ease; }
.card:nth-child(3n) { border-right: none; padding-right: 0; }
.card:nth-child(3n+1) { padding-left: 0; }
.card:not(:nth-child(3n+1)) { padding-left: 28px; }
.card:hover { background: var(--paper-warm); }

.card-meta { display: flex; align-items: center; gap: 12px; font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--muted); margin-bottom: 24px; }
.card-meta .cat { background: var(--ink); color: var(--paper); padding: 4px 10px; letter-spacing: 0.16em; }
.card-meta .cat.tool { background: var(--accent); }
.card-meta .cat.start { background: var(--accent); }
.card h3 { font-family: var(--serif); font-weight: 700; font-variation-settings: "opsz" 144, "SOFT" 40; font-size: clamp(1.4rem, 2.2vw, 1.85rem); line-height: 1.1; letter-spacing: -0.02em; margin-bottom: 16px; color: var(--ink); }
.card h3 em { font-style: italic; font-weight: 500; color: var(--accent); }
.card p { color: var(--ink-soft); font-size: 0.98rem; line-height: 1.55; flex: 1; }
.card-footer { margin-top: 24px; display: flex; justify-content: space-between; align-items: center; padding-top: 18px; border-top: 1px solid var(--rule); }
.card-footer .effort { font-family: var(--mono); font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.12em; color: var(--muted); }
.card-footer .effort strong { color: var(--accent); font-weight: 700; }
.card-footer .read { font-family: var(--sans); font-weight: 600; font-size: 0.82rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--ink); display: inline-flex; align-items: center; gap: 6px; }
.card:hover .card-footer .read { color: var(--accent); }
.card-footer .read::after { content: "→"; transition: transform 200ms ease; }
.card:hover .card-footer .read::after { transform: translateX(4px); }

.site-footer { background: var(--dark-surface); color: var(--dark-muted); padding: 56px 0 40px; margin-top: 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; align-items: start; }
.footer-brand { font-family: var(--serif); font-weight: 800; font-size: 1.8rem; color: var(--paper); letter-spacing: -0.015em; }
.footer-brand em { font-style: italic; font-weight: 500; color: var(--accent-bright); }
.footer-brand + p { margin-top: 12px; max-width: 40ch; font-size: 0.92rem; }
.footer-col h4 { font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.16em; color: var(--paper); margin-bottom: 16px; }
.footer-col nav { display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 0.92rem; color: var(--dark-muted); }
.footer-col a:hover { color: var(--paper); }
.footer-bottom { margin-top: 48px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); font-family: var(--mono); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--dark-muted); }

@media (max-width: 900px) {
  .grid { grid-template-columns: 1fr; }
  .card { border-right: none; padding: 32px 0 !important; }
  .card:last-child { border-bottom: none; }
  .hero { padding: 80px 0 100px; }
  .scale-section, .index-section { padding: 64px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 560px) {
  .wrap { padding: 0 22px; }
  .main-nav { gap: 14px; }
  .main-nav a { font-size: 0.7rem; }
  .main-nav .cta-nav { display: none; }
}