:root {
  --studio: #e4e5e1;
  --studio-deep: #cfd1cb;
  --paper: #f5f5f1;
  --ink: #15191a;
  --muted: #5c6462;
  --line: #c9cbc5;
  --green: #1d5238;
  --green-hover: #143d29;
  --on-green: #f3f6ef;
  --display: 'Bricolage Grotesque', 'Segoe UI', sans-serif;
  --body: 'Instrument Sans', 'Segoe UI', sans-serif;
  --mono: 'DM Mono', Consolas, monospace;
  --gutter: clamp(16px, 3vw, 40px);
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 72px; -webkit-text-size-adjust: 100%; }
body {
  margin: 0; background: var(--paper); color: var(--ink);
  font: 400 17px/1.55 var(--body);
  display: flex; flex-direction: column; min-height: 100vh;
}
main { flex: 1; }
h1, h2, h3 { font-family: var(--display); font-weight: 700; letter-spacing: -0.02em; margin: 0; line-height: 1.05; text-wrap: balance; }
h2 { font-size: clamp(30px, 4vw, 46px); }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--green); outline-offset: 2px; }
canvas { display: block; touch-action: pan-y; }

.demo-strip {
  margin: 0; padding: 7px var(--gutter); background: var(--ink); color: var(--paper);
  font: 400 12.5px/1.4 var(--mono); text-align: center;
}

.site-header {
  position: sticky; top: 0; z-index: 10; display: flex; align-items: center; justify-content: space-between;
  gap: 16px; flex-wrap: wrap; padding: 12px var(--gutter);
  background: color-mix(in srgb, var(--paper) 92%, transparent); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.wordmark { font: 700 21px/1 var(--display); letter-spacing: -0.02em; text-decoration: none; margin: 0; white-space: nowrap; }
.site-header nav { display: flex; gap: clamp(12px, 2.4vw, 28px); flex-wrap: wrap; }
.site-header nav a { font-size: 15px; text-decoration: none; padding: 4px 0; border-bottom: 1px solid transparent; }
.site-header nav a:hover, .site-header nav a[aria-current] { border-bottom-color: currentColor; }

.button {
  display: inline-flex; justify-content: center; align-items: center; min-height: 50px; padding: 12px 26px;
  background: var(--green); color: var(--on-green); border: 0; border-radius: 3px;
  font: 600 16px/1.2 var(--body); text-decoration: none; cursor: pointer; transition: background .15s;
}
.button:hover { background: var(--green-hover); }
.button:disabled { background: var(--studio-deep); color: var(--muted); cursor: not-allowed; }

/* ———— Hero ———— */
.hero {
  position: relative; height: min(calc(100vh - 84px), 860px); min-height: 600px; overflow: hidden;
  background: radial-gradient(90% 75% at 66% 44%, #f2f2ee 0%, var(--studio) 56%, var(--studio-deep) 100%);
}
.hero canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; }
.hero canvas:active { cursor: grabbing; }
.hero-copy {
  position: relative; z-index: 1; width: min(47%, 640px); padding: clamp(40px, 8vh, 96px) 0 0 var(--gutter);
  pointer-events: none;
}
.hero-copy > * { pointer-events: auto; }
.hero h1 { font-size: clamp(46px, 6.2vw, 94px); line-height: .96; letter-spacing: -0.035em; }
.hero p { max-width: 430px; margin: 24px 0 28px; font-size: 18px; }

.modes {
  position: absolute; left: var(--gutter); bottom: 22px; z-index: 2; display: flex;
  background: var(--paper); border: 1px solid var(--ink); border-radius: 3px; overflow: hidden;
}
.modes button {
  min-height: 42px; padding: 8px 15px; background: transparent; color: var(--ink); border: 0; cursor: pointer;
  font: 400 13px/1 var(--mono);
}
.modes button + button { border-left: 1px solid var(--ink); }
.modes button:hover { background: var(--studio); }
.modes button[aria-pressed="true"] { background: var(--ink); color: var(--paper); }
.modes button:focus-visible { outline-offset: -4px; outline-color: currentColor; }
.no-webgl canvas, .no-webgl .modes { display: none; }

/* ———— Catálogo ———— */
.catalog { padding: clamp(48px, 7vw, 88px) var(--gutter); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 16px 32px; flex-wrap: wrap; margin-bottom: 28px; }
.filters { display: flex; flex-wrap: wrap; gap: 6px; }
.filters button {
  min-height: 40px; padding: 7px 14px; background: transparent; color: var(--ink);
  border: 1px solid var(--line); border-radius: 3px; font: 400 15px/1 var(--body); cursor: pointer;
}
.filters button span { font: 400 12px/1 var(--mono); color: var(--muted); margin-left: 3px; }
.filters button:hover { border-color: var(--ink); }
.filters button[aria-pressed="true"] { background: var(--ink); border-color: var(--ink); color: var(--paper); }
.filters button[aria-pressed="true"] span { color: inherit; }

.grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: clamp(28px, 3vw, 40px) clamp(12px, 1.6vw, 22px); }
.card { display: block; text-decoration: none; min-width: 0; }
.card-plate {
  position: relative; aspect-ratio: 1; overflow: hidden; border-radius: 3px;
  background: radial-gradient(85% 80% at 50% 42%, #f1f1ed 0%, var(--studio) 62%, var(--studio-deep) 100%);
}
#grid .card[data-cat="pack"] { grid-column: span 2; }
#grid .card[data-cat="pack"] .card-plate { aspect-ratio: auto; height: calc(100% - 62px); min-height: 260px; }
.card-plate img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: contain; }
.card-plate .render { transition: transform .45s cubic-bezier(.2,.7,.2,1); }
.card-plate .wire { opacity: 0; transition: opacity .18s; }
.card:hover .render, .card:focus-visible .render { opacity: 0; }
.card:hover .wire, .card:focus-visible .wire { opacity: 1; }
.plate-no { position: absolute; top: 11px; left: 12px; z-index: 1; font: 400 12px/1 var(--mono); color: var(--muted); }
.plate-loading { position: absolute; inset: 0; background: linear-gradient(100deg, transparent 30%, #ffffff66 50%, transparent 70%); background-size: 240% 100%; animation: sweep 1.5s infinite linear; }
@keyframes sweep { from { background-position: 130% 0; } to { background-position: -110% 0; } }
.card-text { display: grid; grid-template-columns: 1fr auto; gap: 2px 12px; padding-top: 11px; }
.card h3 { font-size: 19px; line-height: 1.2; letter-spacing: -0.012em; }
.card:hover h3 { text-decoration: underline; text-underline-offset: 3px; text-decoration-thickness: 1px; }
.card-price { font: 500 15px/1.5 var(--mono); }
.card-sub { grid-column: 1 / -1; margin: 0; font-size: 14.5px; color: var(--muted); }

/* ———— Lo que descargas ———— */
.inside {
  display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(32px, 6vw, 88px); align-items: center;
  padding: clamp(56px, 8vw, 104px) var(--gutter); background: var(--ink); color: var(--paper);
}
.inside > div > p { max-width: 520px; margin: 18px 0 26px; }
.points { list-style: none; padding: 0; margin: 0; max-width: 540px; }
.points li { padding: 14px 0; border-top: 1px solid #ffffff2b; }
.tree {
  margin: 0; padding: clamp(18px, 3vw, 34px); overflow-x: auto; background: #20262a; border-radius: 3px;
  font: 400 clamp(12.5px, 1.25vw, 15.5px)/1.75 var(--mono); color: #cfd5d0;
}
.tree b { font-weight: 500; color: #fff; }

/* ———— FAQ ———— */
.faq { padding: clamp(56px, 8vw, 104px) var(--gutter); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 2fr); column-gap: 40px; }
.faq h2 { grid-row: span 6; margin-bottom: 24px; }
.faq details { grid-column: 2; border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { padding: 17px 0; font-weight: 600; cursor: pointer; }
.faq details p { margin: 0 0 20px; max-width: 660px; color: var(--muted); }

/* ———— Producto ———— */
.product { display: grid; grid-template-columns: minmax(0, 1.55fr) minmax(340px, 1fr); align-items: start; }
.viewer {
  position: sticky; top: 57px; height: calc(100vh - 90px); min-height: 460px;
  background: radial-gradient(80% 75% at 50% 44%, #f4f4f0 0%, var(--studio) 58%, var(--studio-deep) 100%);
}
.viewer canvas { position: absolute; inset: 0; width: 100%; height: 100%; cursor: grab; touch-action: none; }
.viewer canvas:active { cursor: grabbing; }
.viewer-top { position: absolute; inset: 0 0 auto 0; pointer-events: none; }
.viewer .plate-no { top: 18px; left: var(--gutter); }
.viewer-hint { position: absolute; top: 18px; right: var(--gutter); font: 400 12px/1 var(--mono); color: var(--muted); }
.viewer .modes { left: 50%; transform: translateX(-50%); }
.details { padding: clamp(28px, 4vw, 52px) var(--gutter) 64px; }
.crumb { margin: 0 0 14px; font: 400 13px/1 var(--mono); color: var(--muted); }
.details h1 { font-size: clamp(40px, 4.4vw, 66px); line-height: 1; letter-spacing: -0.03em; }
.latin { margin: 10px 0 0; font-style: italic; color: var(--muted); }
.lede { margin: 20px 0 0; font-size: 18px; }
.big-price { margin: 28px 0 12px; font: 500 34px/1 var(--mono); letter-spacing: -0.03em; }
.buy { width: 100%; }
.buy-note { margin: 10px 0 0; font-size: 14px; color: var(--muted); }
.details h2 { margin: 40px 0 10px; font-size: 22px; letter-spacing: -0.012em; }
.specs { display: grid; grid-template-columns: auto 1fr; margin: 0; border-bottom: 1px solid var(--line); }
.specs dt, .specs dd { margin: 0; padding: 10px 0; border-top: 1px solid var(--line); font-size: 14.5px; }
.specs dt { padding-right: 20px; }
.specs dt { color: var(--muted); }
.specs dd { font: 400 14px/1.55 var(--mono); text-align: right; }
.included { margin: 0; padding: 0; list-style: none; }
.included li { padding: 9px 0; border-top: 1px solid var(--line); font-size: 15.5px; }
.related { padding: clamp(48px, 6vw, 80px) var(--gutter); border-top: 1px solid var(--line); }
.related:empty { display: none; }
.related h2 { margin-bottom: 26px; font-size: clamp(26px, 3vw, 36px); }
.not-found { grid-column: 1 / -1; padding: 96px var(--gutter); }
.not-found p { margin: 16px 0 24px; }

/* ———— Textos ———— */
.prose { width: 100%; max-width: 860px; margin: 0 auto; padding: clamp(40px, 6vw, 80px) var(--gutter) 80px; }
.prose h1 { font-size: clamp(42px, 6vw, 72px); letter-spacing: -0.03em; }
.prose h2 { margin: 38px 0 10px; font-size: 24px; letter-spacing: -0.012em; }
.prose .lede { margin-bottom: 8px; }
.prose p { max-width: 68ch; }
.license-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 40px; }
.license-grid ul { margin: 0; padding: 0; list-style: none; }
.license-grid li { padding: 11px 0; border-top: 1px solid var(--line); font-size: 16px; }

/* ———— Botón de arrepentimiento ———— */
.site-header nav a.regret-link { padding: 4px 10px; border: 1px solid var(--ink); border-radius: 3px; white-space: nowrap; }
.site-header nav a.regret-link:hover, .site-header nav a.regret-link[aria-current] { background: var(--ink); color: var(--paper); border-color: var(--ink); }
.regret-form { display: grid; gap: 6px; max-width: 520px; margin-top: 30px; }
.regret-form label { margin-top: 12px; font-weight: 600; font-size: 15.5px; }
.regret-form label span { font-weight: 400; color: var(--muted); }
.regret-form input, .regret-form select, .regret-result textarea {
  width: 100%; min-height: 48px; padding: 10px 12px; background: #fff; color: var(--ink);
  border: 1px solid #858b88; border-radius: 3px; font: 400 16px/1.4 var(--body);
}
.regret-form .button { justify-self: start; margin-top: 18px; }
.regret-result { max-width: 620px; margin-top: 36px; padding: clamp(18px, 3vw, 28px); background: var(--studio); border-radius: 3px; outline: 0; }
.regret-result h2 { margin-top: 0; }
.regret-code { font-family: var(--mono); font-size: 15px; overflow-wrap: anywhere; }
.regret-result textarea { margin-top: 2px; font: 400 13.5px/1.5 var(--mono); resize: vertical; }
.text-button { min-height: 44px; padding: 8px 0; background: none; border: 0; color: inherit; font: 600 15px/1 var(--body); text-decoration: underline; text-underline-offset: 3px; cursor: pointer; }

/* ———— Pie ———— */
.site-footer {
  display: grid; grid-template-columns: 1fr auto; gap: 8px 32px; padding: 32px var(--gutter);
  border-top: 1px solid var(--line); font-size: 14.5px;
}
.site-footer p { margin: 0; }
.site-footer > p:nth-of-type(2) { grid-column: 1; color: var(--muted); }
.site-footer nav { grid-column: 2; grid-row: 1 / span 3; display: flex; flex-direction: column; gap: 5px; text-align: right; }
.site-footer .fine { font-size: 13px; color: var(--muted); }

@media (max-width: 1060px) {
  .grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  #grid .card[data-cat="pack"] { grid-column: 1 / -1; }
  #grid .card[data-cat="pack"] .card-plate { height: auto; min-height: 0; aspect-ratio: 16 / 9; }
}
@media (max-width: 860px) {
  body { font-size: 16px; }
  .site-header { position: static; }
  html { scroll-padding-top: 12px; }
  .hero { height: auto; min-height: 0; display: flex; flex-direction: column; }
  .hero canvas { position: relative; inset: auto; order: 2; height: 56vh; min-height: 340px; }
  .hero-copy { order: 1; width: 100%; padding: 36px var(--gutter) 0; }
  .hero h1 { font-size: clamp(42px, 12.5vw, 72px); }
  .hero p { margin: 18px 0 22px; font-size: 17px; }
  .modes { bottom: 14px; }
  .hero .modes { left: 50%; right: auto; transform: translateX(-50%); }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .inside, .faq { grid-template-columns: minmax(0, 1fr); }
  .faq details { grid-column: 1; }
  .faq h2 { grid-row: auto; }
  .product { grid-template-columns: minmax(0, 1fr); }
  .viewer { position: relative; top: 0; height: 66vh; min-height: 380px; }
  .viewer-hint { display: none; }
  .specs dd { text-align: left; }
  .license-grid { grid-template-columns: 1fr; }
  .site-footer { grid-template-columns: 1fr; }
  .site-footer nav { grid-column: 1; grid-row: auto; text-align: left; margin-top: 10px; }
}
@media (max-width: 460px) {
  .card h3 { font-size: 16.5px; }
  .card-sub { font-size: 13.5px; }
  .card-price { font-size: 14px; }
  .card-text { gap: 1px 6px; }
  .tree { font-size: 11.5px; padding: 14px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .plate-loading { animation: none; }
  * { transition-duration: 0s !important; }
}