/* ═══════════════════════════════════════════════════════════════════════════
   ARTCORE · portada pública
   Comparte paleta y tipografía con el overlay, y su gesto: el arco ojival y una
   sola hairline. Es una página de producto, no un escaparate: el paso importante
   (crear el overlay) está arriba y el resto es lo que hace falta para montarlo.
   ═══════════════════════════════════════════════════════════════════════════ */

*, *::before, *::after { box-sizing: border-box; }

/* El `display: none` que trae [hidden] del agente de usuario pierde contra
   cualquier `display` declarado por clase. Sin esto, un elemento oculto con el
   atributo sigue viéndose. */
[hidden] { display: none !important; }

html {
  --u: 1px;
  font-size: clamp(15px, 0.55vw + 13px, 17px);
  color-scheme: dark;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg-void);
  color: var(--ink);
  font-family: var(--font-ui);
  font-weight: 300;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

/* ── portada ─────────────────────────────────────────────────────────────── */

.hero {
  position: relative;
  max-width: 62rem;
  margin: 0 auto;
  padding: clamp(3rem, 9vw, 7rem) 1.5rem clamp(2rem, 5vw, 3.5rem);
  text-align: center;
}

/* Rayos crepusculares, el mismo motivo que en la banda del overlay: la luz cae
   desde arriba en lugar de haber un degradado de fondo. */
.hero::before {
  content: '';
  position: absolute;
  inset: -40% 0 auto;
  aspect-ratio: 1;
  pointer-events: none;
  background: repeating-conic-gradient(from 0deg,
    transparent 0deg 3deg,
    color-mix(in oklab, var(--glow) 9%, transparent) 3deg 4.2deg);
  mask-image: radial-gradient(closest-side at 50% 0%, #000 0%, transparent 62%);
  animation: drift 300s linear infinite;
  z-index: -1;
}

@keyframes drift { to { transform: rotate(1turn); } }

.hero__mark {
  position: relative;
  width: 4.6rem;
  margin: 0 auto 1.6rem;
  display: grid;
  place-items: center;
}

.hero__lancet {
  width: 100%;
  fill: color-mix(in oklab, var(--surface) 82%, transparent);
  stroke: color-mix(in oklab, var(--glow) 34%, transparent);
  stroke-width: 1.5;
}

.hero__glyph {
  position: absolute;
  top: 34%;
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 18;
  font-weight: 500;
  font-size: 1.5rem;
  color: var(--ink);
}

.kicker {
  margin: 0 0 .5rem;
  font-family: var(--font-data);
  font-size: .62rem;
  font-variation-settings: 'wdth' 87;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

h1 {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 96;
  font-weight: 500;
  font-size: clamp(2.8rem, 9vw, 5.4rem);
  line-height: .92;
  letter-spacing: .16em;
  text-indent: .16em;   /* compensa el tracking del último carácter */
}

.lede {
  max-width: 44rem;
  margin: 0 auto;
  font-size: 1.02rem;
  color: var(--ink-muted);
}
.lede em { color: var(--ink); font-style: italic; font-family: var(--font-display); }
.lede b { color: var(--ink); font-weight: 500; }

/* ── tarjetas ────────────────────────────────────────────────────────────── */

main {
  max-width: 62rem;
  margin: 0 auto;
  padding: 0 1.5rem 4rem;
  display: grid;
  gap: 1.1rem;
}

.card {
  padding: clamp(1.2rem, 3vw, 2rem);
  background: var(--bg-nave);
  border: 1px solid var(--hairline);
}

.card--make { border-color: color-mix(in oklab, var(--accent) 34%, transparent); }

.card h2 {
  margin: 0 0 1.1rem;
  font-family: var(--font-data);
  font-size: .66rem;
  font-variation-settings: 'wdth' 87;
  font-weight: 500;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.card h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-display);
  font-variation-settings: 'opsz' 40;
  font-weight: 500;
  font-size: 1.18rem;
}

p { margin: 0 0 .7rem; }
p:last-child { margin-bottom: 0; }

.hint { font-size: .82rem; color: var(--ink-muted); }

b { font-weight: 500; color: var(--ink); }

kbd {
  font-family: var(--font-data);
  font-size: .72rem;
  padding: .1em .35em;
  border: 1px solid var(--hairline);
  color: var(--ink);
}

/* ── formulario ──────────────────────────────────────────────────────────── */

.field {
  display: flex;
  flex-direction: column;
  gap: .4rem;
  font-family: var(--font-data);
  font-size: .6rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-muted);
  margin-bottom: .5rem;
}

input[type='text'] {
  width: 100%;
  padding: .62rem .7rem;
  font-family: var(--font-ui);
  font-size: .95rem;
  font-weight: 300;
  letter-spacing: 0;
  text-transform: none;
  color: var(--ink);
  background: var(--bg-void);
  border: 1px solid var(--hairline);
  border-radius: 0;
}
input[readonly] { font-family: var(--font-data); font-size: .78rem; color: var(--data); }
input:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }

button {
  padding: .68rem 1.2rem;
  font-family: var(--font-ui);
  font-size: .95rem;
  font-weight: 400;
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--hairline);
  border-radius: 0;
  cursor: pointer;
  transition: background 160ms var(--ease-soft), border-color 160ms var(--ease-soft), transform 90ms var(--ease-soft);
  white-space: nowrap;
}
button:hover {
  background: color-mix(in oklab, var(--surface) 70%, var(--accent) 14%);
  border-color: color-mix(in oklab, var(--accent) 55%, transparent);
}
button:active { transform: translateY(1px); }
button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
button[disabled] { opacity: .5; cursor: progress; }

#make-go { width: 100%; margin-top: .3rem; }

.error {
  margin: .6rem 0 0;
  font-size: .84rem;
  color: var(--gold);
  min-height: 1.2em;
}

/* ── resultado ───────────────────────────────────────────────────────────── */

.result { margin-top: 1.4rem; display: grid; gap: 1.1rem; }

.warn {
  margin: 0;
  padding: .8rem .9rem;
  font-size: .88rem;
  color: var(--ink);
  border-left: 2px solid var(--gold);
  background: color-mix(in oklab, var(--gold) 8%, transparent);
}

.link { display: grid; gap: .4rem; }

.link__row { display: flex; gap: .5rem; }
.link__row input { flex: 1 1 auto; min-width: 0; }
.link__row button { flex: 0 0 auto; }

.label {
  font-family: var(--font-data);
  font-size: .6rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.open {
  justify-self: start;
  padding: .6rem 1.1rem;
  font-size: .95rem;
  color: var(--ink);
  text-decoration: none;
  border: 1px solid color-mix(in oklab, var(--accent) 55%, transparent);
  background: color-mix(in oklab, var(--surface) 60%, var(--accent) 14%);
}
.open:hover { border-color: var(--accent); }

/* ── pasos ───────────────────────────────────────────────────────────────── */

.steps {
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: step;
  display: grid;
  gap: 1.6rem;
}

.steps li {
  counter-increment: step;
  padding-left: 2.6rem;
  position: relative;
}

/* El número en didone, no en una píldora de color. */
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: -.1em;
  font-family: var(--font-display);
  /* opsz acorde al cuerpo: a este tamaño un valor alto adelgaza los trazos finos
     hasta romper la figura. */
  font-variation-settings: 'opsz' 20;
  font-weight: 600;
  font-size: 1.8rem;
  line-height: 1.1;
  color: color-mix(in oklab, var(--accent) 78%, transparent);
}

.caution {
  padding-left: .8rem;
  border-left: 2px solid color-mix(in oklab, var(--gold) 60%, transparent);
  font-size: .92rem;
}

.spec {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: .25rem 1rem;
  margin: .6rem 0 0;
  font-size: .88rem;
}
.spec dt { font-family: var(--font-data); font-size: .68rem; letter-spacing: .1em; text-transform: uppercase; color: var(--ink-muted); align-self: center; }
.spec dd { margin: 0; font-family: var(--font-data); color: var(--data); }

/* ── prestaciones ────────────────────────────────────────────────────────── */

.feats { margin: 0; padding: 0; list-style: none; display: grid; gap: .9rem; }
.feats li {
  padding-left: 1rem;
  border-left: 1px solid var(--hairline);
  font-size: .94rem;
  color: var(--ink-muted);
}
.feats b { color: var(--ink); }

/* ── pie ─────────────────────────────────────────────────────────────────── */

.foot {
  max-width: 62rem;
  margin: 0 auto;
  padding: 1.6rem 1.5rem 3rem;
  border-top: 1px solid var(--hairline);
  font-size: .78rem;
  color: var(--ink-muted);
}
.foot p { margin-bottom: .5rem; }

@media (prefers-reduced-motion: reduce) {
  .hero::before { animation: none; }
  html { scroll-behavior: auto; }
}