/* olvoh - SHARED FOUNDATION
   Warm palette (v1) + local system fonts. Tokens, reset, nav, the
   hero + in-depth animation, and footer. Each design variant adds its own body
   sections on top of this and may extend the tokens, but keeps this intact. */

:root {
  --paper: #f7f3ea;
  --paper-2: #efe7d8;
  --panel: #fdfaf3;
  --ink: #1b1712;
  --ink-2: #4a423a;
  --muted: #7a7064;
  --line: rgba(27, 23, 18, 0.12);
  --line-2: rgba(27, 23, 18, 0.22);
  --ember: #c2481c;
  --ember-ink: #a83d16;
  --ember-deep: #8f3212;
  --ember-soft: rgba(194, 72, 28, 0.1);
  --rival: #2b6b83;
  --dark: #1b1712;
  --cream: #efe7d8;
  --good: #2f7d4f;
  --serif: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --maxw: 1200px;
  --pad: clamp(20px, 5vw, 64px);
  --radius: 16px;
  --shadow: 0 30px 70px -30px rgba(27, 18, 8, 0.35);
  --shadow-sm: 0 12px 30px -18px rgba(27, 18, 8, 0.4);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
html.js [data-reveal] { opacity: 0; transform: translateY(16px); transition: opacity 0.7s cubic-bezier(0.22,1,0.36,1), transform 0.7s cubic-bezier(0.22,1,0.36,1); }
html.js [data-reveal].is-visible { opacity: 1; transform: none; }

body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
::selection { background: var(--ember); color: #fff; }
a { color: inherit; text-decoration: none; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; margin: 0; color: var(--ink); letter-spacing: -0.02em; line-height: 1.08; }
p { margin: 0; }
img, svg { display: block; max-width: 100%; }
:focus-visible { outline: 2px solid var(--ember); outline-offset: 3px; border-radius: 4px; }

.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0; }
.skip-link { position: absolute; left: 12px; top: -60px; z-index: 100; background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: 8px; transition: top 0.2s ease; }
.skip-link:focus { top: 12px; }

.pad, .nav, .hero, .footer { padding-inline: max(var(--pad), calc((100% - var(--maxw)) / 2)); }

/* buttons */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem; font: 600 0.98rem/1 var(--sans); padding: 0.85rem 1.4rem; border-radius: 999px; border: 1px solid transparent; cursor: pointer; transition: transform 0.18s ease, background 0.18s ease, box-shadow 0.18s ease, color 0.18s ease; }
.btn-primary { background: var(--ember); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--ember-deep); transform: translateY(-1px); }
.btn-ghost { background: transparent; color: var(--ink); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-lg { padding: 1.05rem 1.9rem; font-size: 1.05rem; }

/* nav */
.nav { position: sticky; top: 0; z-index: 30; display: flex; align-items: center; justify-content: space-between; gap: 24px; min-height: 66px; background: color-mix(in srgb, var(--paper) 82%, transparent); backdrop-filter: blur(14px); border-bottom: 1px solid var(--line); }
.brand { display: inline-flex; align-items: center; gap: 0.6rem; }
.brand-mark { width: 28px; height: 28px; display: block; flex: 0 0 auto; }
.brand-word { font: 700 1.32rem/1 var(--serif); letter-spacing: -0.03em; color: var(--ink); }
.nav-links { display: flex; gap: 1.75rem; }
.nav-links a { font-size: 0.95rem; color: var(--ink-2); transition: color 0.15s ease; }
.nav-links a:hover { color: var(--ink); }
.nav-cta { padding: 0.6rem 1.1rem; font-size: 0.92rem; }

/* hero: headline + CTA left, animation right */
.hero { display: grid; grid-template-columns: minmax(0, 0.86fr) minmax(0, 1.12fr); gap: clamp(2rem, 4vw, 4.5rem); align-items: center; padding-block: clamp(2.5rem, 5vw, 5rem); }
.hero-copy { position: relative; z-index: 1; }
.hero-title { font-size: clamp(2.3rem, 4.6vw, 3.9rem); letter-spacing: -0.03em; }
.hero-title .accent { display: block; color: var(--ember-ink); }
.hero-sub { margin-top: 1.4rem; max-width: 40ch; font-size: clamp(1.02rem, 1.3vw, 1.2rem); color: var(--ink-2); }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.9rem; margin-top: 2rem; }

/* ---- in-depth animation ---- */
.map-stage { position: relative; }
.map-top { display: flex; align-items: center; justify-content: space-between; gap: 0.8rem 1.4rem; flex-wrap: wrap; margin-bottom: 0.9rem; }
.map-legend { display: flex; gap: 1.2rem; flex: 0 0 auto; }
.lg { display: inline-flex; align-items: center; gap: 0.5rem; font-size: 0.82rem; color: var(--ink-2); }
.lg::before { content: ""; width: 11px; height: 11px; border-radius: 50%; }
.lg-you::before { background: var(--ember); box-shadow: 0 0 0 3px var(--ember-soft); }
.lg-rival::before { background: var(--rival); box-shadow: 0 0 0 3px rgba(43, 107, 131, 0.16); }
.map-caption { flex: 1 1 10rem; text-align: center; min-width: 0; margin: 0; font-family: var(--serif); font-style: normal; font-weight: 500; font-size: clamp(0.92rem, 1.4vw, 1.1rem); color: var(--ink); }
.map-replay { flex: 0 0 auto; border: 1px solid var(--line-2); background: transparent; color: var(--ink-2); border-radius: 999px; padding: 0.4rem 0.9rem; font: 500 0.8rem/1 var(--sans); cursor: pointer; }
.map-replay:hover { border-color: var(--ink); color: var(--ink); }

.map-canvas { position: relative; width: 100%; aspect-ratio: 720 / 600; border-radius: 18px; overflow: hidden; border: 1px solid var(--line); background: radial-gradient(130% 110% at 50% 0%, #eef3f4, #e6edef); box-shadow: var(--shadow); }
.mapsvg { position: absolute; inset: 0; width: 100%; height: 100%; }
.sf-land { fill: #fcf9f3; stroke: rgba(27, 23, 18, 0.24); stroke-width: 0.8; stroke-linejoin: round; opacity: 0; transition: opacity 0.7s ease; }
[data-stage] .sf-land { opacity: 1; }
.lbl-water { font-family: var(--sans); text-transform: uppercase; font-size: 13px; font-weight: 600; letter-spacing: 4px; fill: rgba(43, 107, 131, 0.45); opacity: 0; transition: opacity 0.6s ease; }
[data-stage] .lbl-water { opacity: 1; }

.ydot { fill: var(--ember); stroke: #fff; stroke-width: 2; opacity: 0; transform: scale(0); transform-box: fill-box; transform-origin: center; transition: opacity 0.5s ease, transform 0.55s cubic-bezier(0.2,0.9,0.2,1); }
:is([data-stage="1"],[data-stage="2"],[data-stage="3"],[data-stage="4"],[data-stage="5"],[data-stage="6"],[data-stage="7"]) .ydot { opacity: 1; transform: scale(1); }
.rdot { fill: var(--rival); stroke: #fff; stroke-width: 2; opacity: 0; transform: scale(0); transform-box: fill-box; transform-origin: center; transition: opacity 0.5s ease, transform 0.55s cubic-bezier(0.2,0.9,0.2,1); }
:is([data-stage="5"],[data-stage="6"],[data-stage="7"]) .rdot { opacity: 1; transform: scale(1); }
.leader { stroke: rgba(27, 23, 18, 0.24); stroke-width: 1; opacity: 0; transition: opacity 0.5s ease; }
:is([data-stage="2"],[data-stage="3"],[data-stage="4"]) .you-leaders .leader { opacity: 1; }
:is([data-stage="5"],[data-stage="6"]) .riv-leaders .leader { opacity: 1; }
.rlink { stroke: rgba(43, 107, 131, 0.5); stroke-width: 1.4; stroke-dasharray: 3 4; opacity: 0; transition: opacity 0.5s ease; }
:is([data-stage="5"],[data-stage="6"],[data-stage="7"]) .rlink { opacity: 1; }

/* cards */
.deck { position: absolute; inset: 0; pointer-events: none; }
.scard { position: absolute; width: 154px; transform: translate(-50%, -50%) scale(0.92); background: var(--panel); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-sm); padding: 0.5rem 0.62rem; opacity: 0; z-index: 3; transition: opacity 0.4s ease, transform 0.4s cubic-bezier(0.2,0.8,0.2,1); }
.sc-head { display: flex; align-items: baseline; justify-content: space-between; gap: 0.4rem; }
.sc-name { font: 600 0.76rem/1.15 var(--sans); color: var(--ink); }
.sc-rate { font: 600 0.82rem/1 var(--serif); color: var(--ember); flex: 0 0 auto; }
.sc-rate.riv { color: var(--rival); }
.sc-scan { margin-top: 0.42rem; overflow: hidden; height: 0; opacity: 0; transition: opacity 0.3s ease; }
.sc-rows { display: grid; gap: 3px; }
.sc-row { height: 5px; border-radius: 3px; background: linear-gradient(90deg, var(--line) 0%, var(--line) 100%); position: relative; overflow: hidden; }
.sc-row::after { content: ""; position: absolute; inset: 0; width: 40%; background: linear-gradient(90deg, transparent, var(--ember-soft), transparent); animation: scanSweep 1s linear infinite; }
.sc-count { margin-top: 0.34rem; font-size: 0.66rem; color: var(--ink); }
.sc-count .sc-n { font-weight: 600; color: var(--ink); }
.sc-out { margin-top: 0.42rem; display: grid; gap: 0.05rem; height: 0; overflow: hidden; opacity: 0; transition: opacity 0.35s ease; }
.sc-k { font: 600 0.58rem/1.3 var(--sans); text-transform: uppercase; letter-spacing: 0.09em; color: var(--muted); }
.sc-v { font-size: 0.76rem; color: var(--ink); white-space: nowrap; }
.sc-v em { font-style: normal; color: var(--ember); font-weight: 600; }
.sc-v.good { color: var(--good); font-weight: 600; }
.sc-v.bad { color: var(--ink-2); }

/* card visibility by stage */
:is([data-stage="2"],[data-stage="3"],[data-stage="4"]) .scard-you { opacity: 1; transform: translate(-50%, -50%) scale(1); }
:is([data-stage="5"],[data-stage="6"]) .scard-riv { opacity: 1; transform: translate(-50%, -50%) scale(1); }
[data-stage="3"] .scard-you .sc-scan { height: auto; opacity: 1; }
[data-stage="5"] .scard-riv .sc-scan { height: auto; opacity: 1; }
[data-stage="4"] .scard-you .sc-out { height: auto; opacity: 1; }
[data-stage="6"] .scard-riv .sc-out { height: auto; opacity: 1; }

/* summary */
.map-summary { margin-top: 1.4rem; text-align: center; opacity: 0; transform: translateY(10px); transition: opacity 0.6s ease, transform 0.6s ease; }
:is([data-stage="7"]) .map-summary { opacity: 1; transform: none; }
.map-summary-text { font-family: var(--serif); font-weight: 500; font-size: clamp(1.02rem, 1.5vw, 1.3rem); line-height: 1.3; color: var(--ink); max-width: 40ch; margin: 0 auto; }
.map-summary-text strong { font-weight: 700; }
.map-summary-text .neg { color: var(--ember); }
.map-summary-text .pos { color: var(--good); }
.swing { display: inline-flex; align-items: center; gap: 0.8rem; margin-top: 1rem; flex-wrap: wrap; justify-content: center; }
.swing-chip { font: 600 0.9rem/1 var(--sans); padding: 0.55rem 0.9rem; border-radius: 999px; border: 1px solid var(--line-2); }
.swing-chip.neg { color: var(--ember); background: var(--ember-soft); border-color: rgba(194, 72, 28, 0.3); }
.swing-chip.pos { color: var(--good); background: rgba(47, 125, 79, 0.1); border-color: rgba(47, 125, 79, 0.3); }
.swing-arrow { color: var(--muted); }

@keyframes scanSweep { 0% { transform: translateX(-120%); } 100% { transform: translateX(400%); } }

/* footer */
.footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 1.2rem; padding-block: 2.5rem; border-top: 1px solid var(--line); margin-top: clamp(3rem, 7vw, 6rem); }
.footer-brand { display: inline-flex; align-items: center; gap: 0.55rem; }
.footer-brand .brand-mark { width: 24px; height: 24px; }
.footer-brand .brand-word { font-size: 1.15rem; }
.footer-line { color: var(--ink-2); font-size: 0.95rem; }
.footer-meta { display: flex; align-items: center; gap: 1.4rem; font-size: 0.9rem; color: var(--ink-2); }
.footer-meta a { color: var(--ink-2); }
.footer-meta a:hover { color: var(--ember); }

@media (max-width: 960px) {
  .hero { grid-template-columns: 1fr; gap: 2rem; }
  .nav-links { display: none; }
  .scard { width: 128px; font-size: 0.9em; }
}
@media (max-width: 620px) {
  .footer { flex-direction: column; align-items: flex-start; }
  .hero-actions .btn { flex: 1 1 auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  html.js [data-reveal] { opacity: 1; transform: none; transition: none; }
  .mapsvg, .ydot, .rdot, .scard, .map-summary, .leader, .rlink, .sf-land { transition: none; }
  .sc-row::after { animation: none; }
  .btn { transition: none; }
}