:root {
  --bg: #0e0c0a;
  --bg-2: #151210;
  --text: #e8dfd0;
  --text-2: #b0a48e;
  --text-3: #8a7f6d;
  --accent: #c8820a;
  --accent-2: #e09430;
  --line: rgba(255, 220, 160, 0.10);
  --line-2: rgba(255, 220, 160, 0.18);
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Inter', system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
a:hover { color: var(--accent-2); }
:focus-visible { outline: 2px solid var(--accent-2); outline-offset: 3px; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 24px; }
.narrow { max-width: 760px; }

/* Nav */
.nav { border-bottom: 1px solid var(--line); }
.nav .wrap { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.logo { font-family: var(--serif); font-size: 18px; font-weight: 500; letter-spacing: 0.04em; color: var(--text); text-decoration: none; }
.logo span { color: var(--accent); }
.nav-link { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-2); text-decoration: none; padding: 12px 0; }
.nav-link:hover { color: var(--text); }

/* Labels */
.label { display: inline-flex; align-items: center; gap: 12px; font-size: 11px; font-weight: 600; letter-spacing: 0.18em; text-transform: uppercase; color: var(--accent); margin: 0; }
.label::before { content: ""; width: 24px; height: 1px; background: var(--accent); }
.mono { font-family: var(--mono); font-size: 10px; letter-spacing: 0.16em; text-transform: uppercase; color: var(--accent); }

/* Hero */
.hero { padding: 64px 0 40px; }
.hero h1 { margin: 22px 0 0; font-family: var(--serif); font-weight: 500; font-size: clamp(48px, 9vw, 104px); line-height: 0.98; letter-spacing: -0.01em; }
.author { margin: 18px 0 0; font-size: 13px; font-weight: 500; letter-spacing: 0.2em; text-transform: uppercase; color: var(--text-2); }
.status { margin: 36px 0 14px; display: flex; flex-wrap: wrap; align-items: baseline; gap: 6px 16px; }
.status strong { font-family: var(--serif); font-weight: 400; font-size: 26px; color: var(--text); }
.status span { font-size: 12px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); }

.buy { display: flex; flex-wrap: wrap; gap: 12px; }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  min-height: 52px; padding: 0 22px;
  font-family: var(--sans); font-size: 12px; font-weight: 600; letter-spacing: 0.12em; text-transform: uppercase;
  text-decoration: none; border-radius: 2px; cursor: pointer; border: 1px solid transparent;
}
.btn-primary { background: var(--accent); color: var(--bg); }
.btn-primary:hover { background: var(--accent-2); color: var(--bg); }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line-2); }
.btn-ghost:hover { border-color: var(--accent); color: var(--text); }
.btn small { font-size: 12px; font-weight: 500; letter-spacing: 0.04em; text-transform: none; opacity: 0.8; }

/* Díptico */
.diptych { display: grid; grid-template-columns: 1fr 160px 1fr; border: 1px solid var(--line-2); margin: 24px 0 0; }
.panel { position: relative; aspect-ratio: 4 / 5; overflow: hidden; }
.panel img { width: 100%; height: 100%; object-fit: cover; }
.panel::after { content: ""; position: absolute; inset: auto 0 0 0; height: 30%; background: linear-gradient(to bottom, rgba(14,12,10,0), var(--bg)); }
.panel .mono { position: absolute; bottom: 18px; z-index: 1; color: var(--text-2); }
.panel.left .mono { left: 20px; }
.panel.right .mono { right: 20px; }
.seam { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 22px; border-left: 1px solid var(--line-2); border-right: 1px solid var(--line-2); background: var(--bg); }
.seam .aleph { font-family: var(--mono); font-size: 34px; line-height: 1; color: var(--text); }
.meter { position: relative; width: 1px; height: 140px; background: var(--line-2); }
.meter .band { position: absolute; left: -3px; width: 7px; top: 30%; height: 37.5%; background: rgba(200,130,10,0.16); border-top: 1px solid rgba(200,130,10,0.4); border-bottom: 1px solid rgba(200,130,10,0.4); }
.meter .dot { position: absolute; left: -4px; top: 30%; width: 9px; height: 9px; border-radius: 50%; background: var(--accent); animation: latido 1.15s ease-in-out infinite; }
.phi { font-family: var(--mono); color: var(--accent-2); font-size: 18px; font-weight: 500; }
.phi span { color: var(--accent); font-size: 13px; margin-right: 4px; }
.seam .mono { color: var(--text-3); font-size: 9px; }
@keyframes latido {
  0%, 100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(224,148,48,0); }
  42% { transform: scale(1.4); box-shadow: 0 0 14px 4px rgba(224,148,48,0.4); }
}
@media (prefers-reduced-motion: reduce) { .meter .dot { animation: none; } }

/* Secciones */
.section { padding: 88px 0; border-top: 1px solid var(--line); }
.section h2 { margin: 18px 0 0; font-family: var(--serif); font-weight: 400; font-size: clamp(32px, 5vw, 48px); line-height: 1.12; }
.prose p { margin: 22px 0 0; font-size: 18px; line-height: 1.85; color: var(--text-2); }

.fragment { background: var(--bg-2); border: 1px solid var(--line); padding: 44px 40px; }
.fragment p { margin: 0 0 20px; font-family: var(--serif); font-size: 19px; line-height: 1.9; color: var(--text); }
.fragment .mono { display: block; margin-bottom: 26px; }
.fragment .ellipsis { font-family: var(--mono); font-size: 14px; color: var(--text-3); }
.fragment p:last-child { margin-bottom: 0; font-style: italic; }

.quotes { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 36px; }
.quote { border-left: 1px solid var(--line-2); padding-left: 22px; }
.quote p { margin: 0; font-family: var(--serif); font-style: italic; font-size: 21px; line-height: 1.5; color: var(--text); }
.quote .mono { display: block; margin-top: 16px; color: var(--text-3); }

.manifesto { text-align: center; }
.manifesto blockquote { margin: 28px auto 0; max-width: 820px; font-family: var(--serif); font-style: italic; font-size: clamp(24px, 3.4vw, 34px); line-height: 1.45; color: var(--text); }

/* Formatos */
.formats { display: grid; grid-template-columns: 300px 1fr; gap: 56px; align-items: start; margin-top: 40px; }
.formats .cover { border: 1px solid var(--line-2); box-shadow: 0 30px 60px rgba(0,0,0,0.5); }
.cards { display: flex; flex-direction: column; gap: 14px; }
.card { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 16px; padding: 24px 26px; border: 1px solid var(--line-2); background: var(--bg-2); }
.card h3 { margin: 0; font-family: var(--serif); font-weight: 400; font-size: 24px; }
.card .meta { margin: 4px 0 0; font-size: 13px; color: var(--text-3); }
.card .price { font-family: var(--serif); font-size: 26px; color: var(--text); margin-right: 8px; }
.card .actions { display: flex; flex-wrap: wrap; align-items: center; gap: 10px; }

/* Lista */
.list-box { border: 1px solid rgba(200,130,10,0.35); background: var(--bg-2); padding: 48px; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.list-box h2 { font-size: clamp(28px, 4vw, 38px); }
.list-box .intro { margin: 18px 0 0; font-size: 16px; line-height: 1.85; color: var(--text-2); }
.field label { display: block; margin-bottom: 8px; font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; color: var(--text-3); }
.field input { width: 100%; height: 52px; padding: 0 16px; background: var(--bg); border: 1px solid var(--line-2); border-radius: 2px; color: var(--text); font-family: var(--sans); font-size: 16px; }
.field input:focus { outline: none; border-color: var(--accent); }
.list-form .btn { width: 100%; margin-top: 12px; border: none; }
.fine { margin: 12px 0 0; font-size: 13px; color: var(--text-3); }
.form-msg { margin: 16px 0 0; font-size: 15px; line-height: 1.7; color: var(--text); }
.form-msg.error { color: #f2a07b; }

/* Ficha */
.facts { display: grid; grid-template-columns: repeat(2, 1fr); gap: 0 48px; margin-top: 32px; }
.fact { display: flex; justify-content: space-between; gap: 24px; padding: 16px 0; border-bottom: 1px solid var(--line); font-size: 15px; }
.fact span:first-child { color: var(--text-3); }
.fact span:last-child { color: var(--text); text-align: right; }

/* Footer */
.footer { border-top: 1px solid var(--line); padding: 40px 0 56px; }
.footer .wrap { display: flex; flex-wrap: wrap; align-items: baseline; justify-content: space-between; gap: 12px 32px; }
.footer .tagline { font-size: 14px; color: var(--text-2); }
.footer .copy { font-size: 13px; color: var(--text-3); }

/* Gracias */
.thanks { min-height: calc(100vh - 64px - 140px); display: flex; align-items: center; padding: 80px 0; }
.thanks h1 { margin: 22px 0 0; font-family: var(--serif); font-weight: 400; font-size: clamp(36px, 6vw, 60px); line-height: 1.1; }
.thanks p { margin: 22px 0 36px; font-size: 18px; line-height: 1.85; color: var(--text-2); max-width: 620px; }

/* Móvil */
@media (max-width: 860px) {
  .wrap { padding: 0 16px; }
  .hero { padding: 40px 0 28px; }
  .diptych { grid-template-columns: 1fr; }
  .seam { flex-direction: row; height: 88px; border-left: none; border-right: none; border-top: 1px solid var(--line-2); border-bottom: 1px solid var(--line-2); }
  .meter { width: 120px; height: 1px; }
  .meter .band { top: -3px; height: 7px; left: 30%; width: 37.5%; border-top: none; border-bottom: none; border-left: 1px solid rgba(200,130,10,0.4); border-right: 1px solid rgba(200,130,10,0.4); }
  .meter .dot { top: -4px; left: 67%; }
  .panel { aspect-ratio: 4 / 3; }
  .section { padding: 64px 0; }
  .fragment { padding: 30px 22px; }
  .fragment p { font-size: 17px; }
  .quotes { grid-template-columns: 1fr; gap: 28px; }
  .formats { grid-template-columns: 1fr; gap: 32px; }
  .formats .cover { max-width: 240px; margin: 0 auto; }
  .card { padding: 22px 20px; }
  .card .actions { width: 100%; }
  .card .actions .btn { flex: 1 1 auto; }
  .list-box { grid-template-columns: 1fr; padding: 32px 22px; gap: 28px; }
  .facts { grid-template-columns: 1fr; }
  .buy .btn { flex: 1 1 100%; }
}