:root {
  --blue: #14306b;
  --blue-2: #1f4bb8;
  --sky: #eaf1ff;
  --ink: #151a23;
  --muted: #5a6473;
  --line: #e2e6ee;
  --bg: #ffffff;
  --ok: #17794a;
  --warn: #9a5b00;
  --bad: #b3202a;
  --radius: 12px;
  --max: 1080px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font: 16px/1.55 system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif; color: var(--ink); background: var(--bg); }
img, canvas { max-width: 100%; }
a { color: var(--blue-2); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 .5em; color: var(--blue); }
h1 { font-size: clamp(1.9rem, 5vw, 3rem); }
h2 { font-size: clamp(1.4rem, 3.2vw, 2rem); }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
.wrap { max-width: var(--max); margin: 0 auto; padding: 0 16px; }
.section { padding: 48px 0; }
.section.alt { background: var(--sky); }
.muted { color: var(--muted); }
.small { font-size: .875rem; }
.center { text-align: center; }
.hidden { display: none !important; }

/* Encabezado */
.site-header { position: sticky; top: 0; z-index: 20; background: #fff; border-bottom: 1px solid var(--line); }
.site-header .wrap { display: flex; align-items: center; justify-content: space-between; gap: 12px; height: 60px; }
.brand { font-weight: 800; color: var(--blue); text-decoration: none; letter-spacing: -.02em; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav a { padding: 8px 10px; border-radius: 8px; text-decoration: none; color: var(--ink); font-size: .95rem; }
.nav a:hover { background: var(--sky); }
.nav .cart { background: var(--blue); color: #fff; }
.nav .cart:hover { background: var(--blue-2); }
.nav .cart span { display: inline-block; min-width: 1.3em; text-align: center; background: #fff; color: var(--blue); border-radius: 99px; font-weight: 700; font-size: .8rem; margin-left: 4px; }
@media (max-width: 640px) { .nav a.opt { display: none; } }

.site-footer { background: var(--blue); color: #dfe8ff; padding: 32px 0; font-size: .9rem; }
.site-footer a { color: #fff; }
.site-footer .cols { display: flex; flex-wrap: wrap; gap: 24px; justify-content: space-between; }

/* Botones y formularios */
.btn { display: inline-block; border: 0; border-radius: 10px; padding: 12px 20px; font: inherit; font-weight: 700; background: var(--blue-2); color: #fff; cursor: pointer; text-decoration: none; text-align: center; }
.btn:hover { background: var(--blue); }
.btn:disabled { opacity: .55; cursor: not-allowed; }
.btn.secondary { background: #fff; color: var(--blue-2); border: 2px solid var(--blue-2); }
.btn.secondary:hover { background: var(--sky); }
.btn.wide { width: 100%; }
.btn.small { padding: 6px 12px; font-size: .85rem; }
label { display: block; font-weight: 600; margin-bottom: 4px; font-size: .92rem; }
input[type=text], input[type=tel], input[type=email], input[type=number], input[type=password], select, textarea {
  width: 100%; padding: 10px 12px; font: inherit; border: 1px solid #c5ccd8; border-radius: 8px; background: #fff; color: var(--ink);
}
input:focus, select:focus, textarea:focus, button:focus-visible, a:focus-visible { outline: 3px solid #9db8ff; outline-offset: 1px; }
.field { margin-bottom: 14px; }
.row { display: grid; gap: 12px; grid-template-columns: 1fr 1fr; }
@media (max-width: 560px) { .row { grid-template-columns: 1fr; } }
.trap { position: absolute; left: -9999px; height: 0; overflow: hidden; }
.check { display: flex; gap: 10px; align-items: flex-start; font-weight: 400; }
.check input { margin-top: 4px; }

.card { border: 1px solid var(--line); border-radius: var(--radius); padding: 18px; background: #fff; }
.grid { display: grid; gap: 16px; }
.grid.c3 { grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); }
.grid.c4 { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.price { font-size: 2rem; font-weight: 800; color: var(--blue); line-height: 1; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 99px; background: var(--sky); color: var(--blue); font-size: .8rem; font-weight: 700; }
.notice { border-radius: 10px; padding: 10px 14px; font-size: .92rem; margin: 10px 0; }
.notice.info { background: var(--sky); color: var(--blue); }
.notice.warn { background: #fff4db; color: var(--warn); }
.notice.bad { background: #fde8ea; color: var(--bad); }
.notice.ok { background: #e3f6ec; color: var(--ok); }

/* Portada */
.hero { background: linear-gradient(180deg, var(--sky), #fff); padding: 56px 0 40px; }
.hero .grid { grid-template-columns: 1.1fr .9fr; align-items: center; gap: 32px; }
@media (max-width: 800px) { .hero .grid { grid-template-columns: 1fr; } }
.hero p.lead { font-size: 1.15rem; color: var(--muted); max-width: 34em; }
.hero .cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 20px; }
.hero-art { background: #fff; border: 1px solid var(--line); border-radius: 20px; padding: 18px; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 16px; }
.chip { border: 1px solid var(--line); background: #fff; border-radius: 99px; padding: 6px 14px; font: inherit; cursor: pointer; }
.chip[aria-pressed=true] { background: var(--blue); color: #fff; border-color: var(--blue); }
.design-card { text-align: center; }
.design-card img { width: 100%; aspect-ratio: 1; object-fit: contain; background: #f4f6fa; border-radius: 10px; padding: 12px; }
.design-card h3 { margin: 10px 0 4px; }
.steps { counter-reset: s; display: grid; gap: 16px; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); padding: 0; list-style: none; }
.steps li { counter-increment: s; }
.steps li::before { content: counter(s); display: inline-grid; place-items: center; width: 34px; height: 34px; border-radius: 50%; background: var(--blue-2); color: #fff; font-weight: 800; margin-bottom: 8px; }
details { border-bottom: 1px solid var(--line); padding: 12px 0; }
summary { cursor: pointer; font-weight: 700; }
details p { margin: 8px 0 0; color: var(--muted); }
table.prices { width: 100%; border-collapse: collapse; }
table.prices th, table.prices td { padding: 8px 10px; border-bottom: 1px solid var(--line); text-align: left; }

/* Diseñador */
.designer { display: grid; grid-template-columns: minmax(0, 1fr) 380px; gap: 24px; align-items: start; padding: 24px 0 48px; }
@media (max-width: 900px) { .designer { grid-template-columns: 1fr; } }
.stage { background: #f1f3f8; border: 1px solid var(--line); border-radius: var(--radius); padding: 12px; position: sticky; top: 72px; }
.stage canvas { display: block; margin: 0 auto; width: 100%; max-width: 560px; height: auto; touch-action: none; cursor: grab; background: #f1f3f8; border-radius: 8px; }
.stage canvas.dragging { cursor: grabbing; }
.panel .block { margin-bottom: 20px; }
.panel h2 { font-size: 1.05rem; margin-bottom: 8px; }
.swatches { display: flex; flex-wrap: wrap; gap: 8px; }
.swatch { width: 38px; height: 38px; border-radius: 50%; border: 2px solid var(--line); cursor: pointer; padding: 0; }
.swatch[aria-pressed=true] { outline: 3px solid var(--blue-2); outline-offset: 2px; }
.tabs { display: flex; gap: 4px; margin-bottom: 10px; }
.tab { flex: 1; padding: 8px; border: 1px solid var(--line); background: #fff; border-radius: 8px; font: inherit; font-weight: 600; cursor: pointer; }
.tab[aria-selected=true] { background: var(--blue); color: #fff; border-color: var(--blue); }
.thumbs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; }
.thumb { border: 2px solid var(--line); background: #f4f6fa; border-radius: 10px; padding: 4px; cursor: pointer; }
.thumb[aria-pressed=true] { border-color: var(--blue-2); }
.thumb img { width: 100%; aspect-ratio: 1; object-fit: contain; display: block; }
.sizes { display: flex; flex-wrap: wrap; gap: 6px; }
.size { min-width: 52px; padding: 8px 10px; border: 1px solid #c5ccd8; background: #fff; border-radius: 8px; font: inherit; font-weight: 700; cursor: pointer; }
.size[aria-pressed=true] { background: var(--blue-2); color: #fff; border-color: var(--blue-2); }
.qty { display: inline-flex; align-items: center; gap: 6px; }
.qty button { width: 34px; height: 34px; border-radius: 8px; border: 1px solid #c5ccd8; background: #fff; font-size: 1.1rem; cursor: pointer; }
.qty input { width: 56px; text-align: center; }
input[type=range] { width: 100%; }

/* Carrito */
.cart-layout { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 24px; align-items: start; padding: 24px 0 48px; }
@media (max-width: 900px) { .cart-layout { grid-template-columns: 1fr; } }
.cart-item { display: grid; grid-template-columns: 84px 1fr auto; gap: 12px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); }
.cart-item img { width: 84px; height: 84px; object-fit: cover; border-radius: 8px; background: #f1f3f8; }
.summary dl { margin: 0; display: grid; grid-template-columns: 1fr auto; gap: 4px 12px; }
.summary dd { margin: 0; text-align: right; font-weight: 600; }
.summary .total { font-size: 1.3rem; border-top: 2px solid var(--ink); padding-top: 8px; margin-top: 6px; }
.options { display: grid; gap: 8px; }
.option { display: flex; gap: 10px; align-items: flex-start; border: 1px solid var(--line); border-radius: 10px; padding: 10px 12px; font-weight: 400; cursor: pointer; }
.option input { margin-top: 5px; }
.option strong { display: block; }

/* Seguimiento */
.timeline { list-style: none; margin: 24px 0; padding: 0; display: grid; gap: 0; }
.timeline li { position: relative; padding: 0 0 22px 36px; color: var(--muted); }
.timeline li::before { content: ''; position: absolute; left: 7px; top: 4px; width: 14px; height: 14px; border-radius: 50%; background: #fff; border: 3px solid var(--line); }
.timeline li::after { content: ''; position: absolute; left: 13px; top: 20px; bottom: -2px; width: 2px; background: var(--line); }
.timeline li:last-child::after { display: none; }
.timeline li.done { color: var(--ink); }
.timeline li.done::before { background: var(--ok); border-color: var(--ok); }
.timeline li.current { color: var(--blue); font-weight: 700; }
.timeline li.current::before { border-color: var(--blue-2); }

/* Administración */
.admin-order { border: 1px solid var(--line); border-radius: var(--radius); padding: 14px; margin-bottom: 14px; }
.admin-order header { display: flex; flex-wrap: wrap; gap: 8px 16px; justify-content: space-between; align-items: baseline; }
.admin-order .mock { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0; }
.admin-order .mock img { width: 110px; height: 110px; object-fit: contain; border: 1px solid var(--line); border-radius: 8px; background: #f1f3f8; }
.admin-order .controls { display: grid; gap: 8px; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); align-items: end; }

.prose h2 { margin-top: 1.6em; }
.prose ul { padding-left: 1.2em; }

/* Capas de diseño */
.layers { display: grid; gap: 6px; }
.layer { display: flex; align-items: center; gap: 10px; border: 2px solid var(--line); border-radius: 10px; padding: 6px 8px; background: #fff; cursor: pointer; text-align: left; font: inherit; width: 100%; }
.layer[aria-pressed=true] { border-color: var(--blue-2); background: var(--sky); }
.layer img { width: 40px; height: 40px; object-fit: contain; background: #f1f3f8; border-radius: 6px; }
.layer span { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.stage .tabs { max-width: 520px; margin: 0 auto 10px; }
.tab .pill { margin-left: 4px; padding: 0 8px; }
.tab[aria-selected=true] .pill { background: #fff; }