/* Cervecería Terca. Tokens primero; cada sección declara su par fondo/tinta. */
:root {
  --cobalt: #1e39c9;
  --cream: #f5e9d3;
  --rubia: #f2b21b;
  --roja: #c7341f;
  --negra: #24170f;
  --cafe: #e9a23b;
  --sky: #bfd7ee;
  --ink: #17120b;

  --display: "Big Shoulders Display", "Arial Narrow", Impact, sans-serif;
  --text: "Archivo", system-ui, sans-serif;

  --wrap: 1280px;
  --gutter: clamp(16px, 4vw, 40px);
  --r-ctl: 999px;
  --r-card: 14px;
  --ease: cubic-bezier(.16, 1, .3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-padding-top: 88px; }
html.lenis, html.lenis body { height: auto; }
body {
  margin: 0; background: var(--cobalt); color: var(--cream);
  font: 400 18px/1.55 var(--text); text-rendering: optimizeLegibility;
  overflow-x: clip;
}
::selection { background: var(--rubia); color: var(--ink); }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: 4px; }
:focus-visible { outline: 3px solid var(--rubia); outline-offset: 3px; border-radius: 6px; }
.skip { position: absolute; left: 12px; top: -60px; z-index: 50; background: var(--cream); color: var(--ink); padding: 10px 14px; border-radius: 8px; }
.skip:focus { top: 12px; }

/* El canvas va encima de las secciones (el producto pasa por delante del texto) y nunca bloquea clics. */
#scene { position: fixed; inset: 0; width: 100vw; height: 100vh; z-index: 5; pointer-events: none; }
.scene-on .anchor img { visibility: hidden; }
.anchor { position: relative; display: grid; place-items: center; }
.anchor img { height: 100%; width: auto; object-fit: contain; }

.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 var(--gutter); }

/* Nav: barra crema flotante, legible sobre cualquier color de sección. */
.nav {
  position: fixed; z-index: 20; top: 14px; left: 50%; transform: translateX(-50%);
  width: min(calc(100% - 24px), 1120px); height: 58px; padding: 0 8px 0 22px;
  display: flex; align-items: center; gap: 28px;
  background: var(--cream); color: var(--ink); border-radius: var(--r-ctl);
  box-shadow: 0 0 0 2px var(--ink);
}
.brand { font: 900 30px/1 var(--display); letter-spacing: .02em; text-decoration: none; }
.nav nav { display: flex; gap: 22px; margin-left: auto; font-weight: 600; font-size: 15px; }
.nav nav a { text-decoration: none; padding: 10px 2px; }
.nav nav a:hover { text-decoration: underline; }
.nav-cta {
  background: var(--ink); color: var(--cream); text-decoration: none; font-weight: 600; font-size: 15px;
  height: 44px; padding: 0 20px; display: inline-flex; align-items: center; border-radius: var(--r-ctl);
  transition: transform .2s var(--ease);
}
.nav-cta:hover { transform: translateY(-1px); }
.nav-cta:active { transform: scale(.97); }

/* Secciones planas, cada una con su par de color. */
.sec { position: relative; padding: clamp(96px, 12vw, 160px) 0; background: var(--bg); color: var(--fg); }
.hero { --bg: var(--cobalt); --fg: var(--cream); --btn: var(--cream); --btn-ink: var(--ink); min-height: 100dvh; padding-top: 110px; padding-bottom: 56px; display: flex; align-items: center; }
.s-rubia { --bg: var(--rubia); --fg: var(--ink); --btn: var(--ink); --btn-ink: var(--rubia); }
.s-roja { --bg: var(--roja); --fg: #fff0dc; --btn: #fff0dc; --btn-ink: var(--roja); }
.s-negra { --bg: var(--negra); --fg: #f2e2c6; --btn: var(--cafe); --btn-ink: var(--negra); }
.donde { --bg: var(--sky); --fg: var(--ink); }
.pedir { --bg: var(--cobalt); --fg: var(--cream); --btn: var(--rubia); --btn-ink: var(--ink); }

h1, h2 { font-family: var(--display); font-weight: 900; text-transform: uppercase; margin: 0; letter-spacing: -.01em; }
h2 { font-size: clamp(56px, 7.4vw, 112px); line-height: .86; text-wrap: balance; }
p { margin: 0; text-wrap: pretty; }

.btn {
  display: inline-flex; align-items: center; justify-content: center; min-height: 52px; padding: 0 26px;
  background: var(--btn); color: var(--btn-ink); border: 0; border-radius: var(--r-ctl);
  font: 600 16px/1.2 var(--text); text-decoration: none; cursor: pointer;
  box-shadow: 0 4px 0 color-mix(in oklab, var(--btn) 55%, #000);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:hover { transform: translateY(-2px); box-shadow: 0 6px 0 color-mix(in oklab, var(--btn) 55%, #000); }
.btn:active { transform: translateY(3px); box-shadow: 0 1px 0 color-mix(in oklab, var(--btn) 55%, #000); }
.text-link { font-weight: 600; font-size: 16px; padding: 12px 4px; }

/* Hero: el titular es composición gráfica; la lata se posa a la derecha, encima de "terca". */
.hero-grid { width: 100%; display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); grid-template-rows: auto auto; column-gap: 24px; align-items: end; }
.hero-title { grid-column: 1 / -1; grid-row: 1; font-size: clamp(104px, 17.5vw, 268px); line-height: .85; letter-spacing: -.015em; position: relative; z-index: 1; }
.hero-anchor { grid-column: 2; grid-row: 1 / 3; align-self: center; justify-self: center; height: min(74vh, 660px); width: 100%; z-index: 2; }
.hero-copy { grid-column: 1; grid-row: 2; padding-top: 34px; max-width: 34em; }
.lead { font-size: clamp(18px, 1.5vw, 19px); line-height: 1.5; }
.cta-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 22px; margin-top: 28px; }

/* Estilos: cifra de alcohol gigante detrás de la lata, ficha al lado. */
.style { min-height: 100vh; display: flex; align-items: center; overflow: clip; }
.style-grid { width: 100%; display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 6fr); align-items: center; gap: 24px; position: relative; }
.abv {
  grid-column: 1; grid-row: 1; justify-self: center; align-self: center;
  font: 900 clamp(160px, 21vw, 330px)/.8 var(--display); letter-spacing: -.03em;
  color: color-mix(in oklab, var(--fg) 16%, var(--bg)); white-space: nowrap; user-select: none;
}
.flip .abv { grid-column: 2; }
.style-anchor { height: min(72vh, 620px); grid-column: 1; grid-row: 1; }
.style-copy { grid-column: 2; grid-row: 1; max-width: 32em; position: relative; }
.flip .style-anchor { grid-column: 2; }
.flip .style-copy { grid-column: 1; justify-self: end; }
.kicker { font-weight: 600; font-size: 14px; margin-bottom: 14px; }
.style-copy h2 + p { margin-top: 22px; font-size: 18px; }
.specs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0; margin: 30px 0 32px; border-top: 2px solid currentColor; }
.specs div { padding: 14px 14px 0 0; }
.specs dt { font-size: 14px; font-weight: 600; opacity: .8; }
.specs dd { margin: 4px 0 0; font: 800 26px/1.05 var(--display); text-transform: uppercase; }

/* Dónde: lista real de puntos, la lata acostada sobre la barra. */
.donde-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: start; }
.donde-head p { margin-top: 22px; max-width: 26em; }
.donde-anchor { height: 400px; width: 100%; margin-top: 24px; }
.venues { list-style: none; margin: 0; padding: 0; border-top: 2px solid var(--ink); }
.venues li { display: grid; grid-template-columns: minmax(0, 1.3fr) minmax(0, .9fr) minmax(0, 1.2fr) minmax(0, 1.2fr); gap: 12px; padding: 20px 0; border-bottom: 2px solid var(--ink); align-items: baseline; font-size: 16px; }
.venues b { font: 800 26px/1.05 var(--display); text-transform: uppercase; }
.venues em { font-style: normal; font-weight: 600; }

/* Pedido. */
.pedir-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: 48px; align-items: center; }
.pedir-anchor { height: min(78vh, 640px); }
.order { background: var(--cream); color: var(--ink); border-radius: 22px; padding: clamp(24px, 3.4vw, 44px); box-shadow: 0 0 0 2px var(--ink), 10px 10px 0 var(--ink); }
.order h2 { font-size: clamp(48px, 5vw, 72px); margin-bottom: 24px; }
fieldset { border: 0; padding: 0; margin: 0 0 22px; min-width: 0; }
legend { font-weight: 600; font-size: 14px; margin-bottom: 10px; }
.opt { display: grid; grid-template-columns: auto minmax(0, 1fr) auto; gap: 14px; align-items: center; padding: 14px 16px; border: 2px solid var(--ink); border-radius: var(--r-card); cursor: pointer; margin-top: -2px; transition: background .2s var(--ease); }
.opt:first-of-type { margin-top: 0; }
.opt:has(input:checked) { background: var(--rubia); }
.opt input, .chips input { accent-color: var(--ink); width: 20px; height: 20px; margin: 0; }
.opt span { display: flex; flex-direction: column; }
.opt b { font-weight: 600; }
.opt small { font-size: 14px; color: #4a4030; }
.opt i { font-style: normal; font-weight: 600; font-variant-numeric: tabular-nums; }
.style-pick[disabled] { opacity: .45; }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chips label { position: relative; }
.chips input { position: absolute; opacity: 0; inset: 0; width: 100%; height: 100%; cursor: pointer; }
.chips span { display: inline-flex; min-height: 44px; align-items: center; padding: 0 18px; border: 2px solid var(--ink); border-radius: var(--r-ctl); font-weight: 600; }
.chips input:checked + span { background: var(--ink); color: var(--cream); }
.chips input:focus-visible + span { outline: 3px solid var(--cobalt); outline-offset: 2px; }
.row2 { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: 20px; align-items: end; }
.qty > span, .field { font-weight: 600; font-size: 14px; }
.stepper { display: flex; align-items: center; margin-top: 8px; border: 2px solid var(--ink); border-radius: var(--r-ctl); }
.stepper button { width: 46px; height: 46px; border: 0; background: none; font: 600 22px/1 var(--text); cursor: pointer; border-radius: var(--r-ctl); color: var(--ink); }
.stepper button:active { background: rgb(0 0 0 / .08); }
.stepper output { min-width: 32px; text-align: center; font-weight: 600; font-variant-numeric: tabular-nums; }
.field { display: flex; flex-direction: column; gap: 8px; }
.field input { height: 50px; border: 2px solid var(--ink); border-radius: var(--r-card); padding: 0 14px; font: 400 16px var(--text); background: #fff; color: var(--ink); caret-color: var(--roja); }
.field input[aria-invalid="true"] { border-color: var(--roja); }
.error { color: #9e2412; font-weight: 600; font-size: 15px; margin-top: 8px; }
.total { margin: 22px 0; padding-top: 14px; border-top: 2px solid var(--ink); }
.total p { display: flex; justify-content: space-between; font-variant-numeric: tabular-nums; }
.total .sum { font: 900 30px/1.2 var(--display); text-transform: uppercase; margin-top: 4px; }
.total .note { display: block; font-size: 14px; color: #4a4030; margin-top: 6px; }
.btn-big { width: 100%; min-height: 58px; font-size: 16px; --btn: var(--ink); --btn-ink: var(--cream); }
.status { margin-top: 14px; font-weight: 600; min-height: 1.5em; }

/* Footer: el wordmark como objeto. */
.foot { background: var(--ink); color: var(--cream); padding: 40px 0 48px; overflow: clip; position: relative; z-index: 6; }
.foot-mark { font: 900 clamp(120px, 30vw, 460px)/.78 var(--display); text-align: center; letter-spacing: -.02em; color: var(--rubia); margin-bottom: 36px; }
.foot-row { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 24px; font-size: 14px; }
.demo-note { color: #cbbfa9; }
.foot-row p, .donde-head p, .style-copy p { max-width: 60ch; }

/* Tablet: se apila lo que no cabe. */
@media (max-width: 1024px) {
  .donde-grid, .pedir-grid { grid-template-columns: minmax(0, 1fr); }
  .donde-anchor { height: 220px; margin-top: 24px; }
  .pedir-anchor { height: 52vh; }
  .venues li { grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); }
}
@media (max-width: 820px) {
  .nav nav { display: none; }
  .nav { gap: 12px; justify-content: space-between; }
  .hero { padding-top: 104px; }
  .hero-grid { grid-template-columns: minmax(0, 1fr); }
  .hero-title { font-size: clamp(88px, 27vw, 200px); }
  .hero-anchor { grid-column: 1; grid-row: 2; height: 33vh; margin-top: 4px; }
  .hero-copy { grid-row: 3; padding-top: 22px; }
  .style { min-height: auto; }
  .style-grid { grid-template-columns: minmax(0, 1fr); }
  .abv { grid-column: 1; grid-row: 1; font-size: 44vw; }
  .flip .abv { grid-column: 1; }
  .style-anchor, .flip .style-anchor { grid-column: 1; grid-row: 1; height: 54vh; }
  .style-copy, .flip .style-copy { grid-column: 1; grid-row: 2; justify-self: start; }
  .specs { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .specs div:last-child { grid-column: 1 / -1; }
  .foot-row { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 480px) {
  .venues li { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .row2 { grid-template-columns: minmax(0, 1fr); }
  .btn { width: 100%; }
  .cta-row { flex-direction: column; align-items: stretch; text-align: center; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: .01ms !important; }
}