/* Concepto: un muestrario de papelería. Cada diseño es una "muestra" con su
   teléfono sobre un recuadro de color (como la muestra de papel) y su ficha
   técnica en mono, como la hoja de especificaciones de una imprenta. */
/* Paleta tomada del logo: azul marino (tinta), oro (sobre) y crema (tarjeta). */
:root {
  --paper: #fbf9f3;        /* crema del fondo del logo */
  --surface: #ffffff;
  --ink: #17153d;          /* azul marino del logo */
  --ink-2: #5d5a78;
  --rule: rgba(23, 21, 61, .13);
  --accent: #8c6a22;       /* oro oscuro: texto y líneas legibles sobre crema */
  --gold-1: #efd894;       /* degradado del sobre */
  --gold-2: #cfa955;
  --on-accent: #17153d;
  --stage: #17153d;        /* fondo del tour */
  --bubble: #dcf7d4;       /* globo de chat */

  --display: 'Bodoni Moda', 'Didot', 'Bodoni 72', Georgia, serif;
  --body: 'Instrument Sans', 'Segoe UI', system-ui, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, 'Cascadia Mono', monospace;

  --step-0: 1rem;
  --step-1: 1.25rem;
  --step-2: clamp(1.6rem, 1.2rem + 1.6vw, 2.2rem);
  --step-3: clamp(2.2rem, 1.4rem + 3.2vw, 3.6rem);
  --step-4: clamp(2.6rem, 1.4rem + 4.8vw, 4.6rem);
  --gutter: clamp(16px, 4vw, 56px);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --paper: #121131; --surface: #1b1a42; --ink: #f4efe1; --ink-2: #b3afc9;
    --rule: rgba(244, 239, 225, .14); --accent: #e3c375; --on-accent: #17153d; --stage: #0b0a24; --bubble: #1f4a3d;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --paper: #121131; --surface: #1b1a42; --ink: #f4efe1; --ink-2: #b3afc9;
  --rule: rgba(244, 239, 225, .14); --accent: #e3c375; --on-accent: #17153d; --stage: #0b0a24; --bubble: #1f4a3d;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: clip; background: var(--paper); color: var(--ink); font: 400 var(--step-0)/1.6 var(--body); -webkit-font-smoothing: antialiased; }
body.no-scroll { overflow: hidden; }
h1, h2, h3 { margin: 0; text-wrap: balance; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; }

.label { font: 500 .75rem/1.2 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }

/* ---------- Botones ---------- */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: 0 24px; border-radius: 2px;
  font: 600 .95rem/1 var(--body); letter-spacing: .01em; text-decoration: none; cursor: pointer; border: 1.5px solid transparent;
  transition: background .2s, color .2s, border-color .2s; }
.btn--accent { background: linear-gradient(180deg, var(--gold-1), var(--gold-2)); color: var(--on-accent); border-color: color-mix(in srgb, var(--gold-2) 70%, #000); }
.btn--accent:hover { background: linear-gradient(180deg, var(--gold-2), var(--gold-2)); }
.btn--line { background: transparent; border-color: var(--ink); color: var(--ink); }
.btn--line:hover { background: var(--ink); color: var(--paper); }
.btn:disabled { opacity: .35; cursor: default; pointer-events: none; }
.link-btn { display: inline-flex; align-items: center; gap: 8px; background: none; border: 0; padding: 6px 0; font: 500 .85rem var(--body); color: var(--ink-2); cursor: pointer; text-decoration: none; }
.link-btn:hover, .link-btn.on { color: var(--accent); }
.icon-btn { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--rule); background: transparent; color: var(--ink); cursor: pointer; display: grid; place-items: center; flex: none; }

/* ---------- Encabezado ---------- */
.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 12px var(--gutter); background: color-mix(in srgb, var(--paper) 90%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--rule); }
.brand { display: flex; align-items: center; gap: 10px; font: 600 1.05rem var(--body); text-decoration: none; }
.brand img { height: 34px; width: auto; display: block; }
.top__nav { display: flex; align-items: center; gap: 26px; font-size: .92rem; }
.top__nav a { text-decoration: none; color: var(--ink-2); }
.top__nav a:hover { color: var(--ink); }
.top__ig { color: var(--ink) !important; border-bottom: 1.5px solid var(--accent); padding-bottom: 2px; }

/* ---------- Teléfono reutilizable ---------- */
.phone { --w: 238px; --s: .5692; width: var(--w); aspect-ratio: 390 / 844; max-width: 100%; border-radius: 34px; background: #0e0d14; padding: 8px; flex: none;
  box-shadow: 0 30px 50px -28px rgba(10, 10, 30, .55); overflow: hidden; position: relative; }
.phone iframe { width: 390px; height: 844px; border: 0; border-radius: 27px; background: #fff; pointer-events: none;
  transform: scale(var(--s)); transform-origin: 0 0; }

/* ---------- Hero ---------- */
.hero { overflow-x: clip; display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, .75fr); gap: clamp(32px, 5vw, 80px); align-items: center;
  max-width: 1180px; margin: 0 auto; padding: clamp(48px, 8vw, 104px) var(--gutter) clamp(56px, 8vw, 96px); }
.hero__copy { display: grid; gap: 22px; min-width: 0; }
.hero h1 { font: 500 var(--step-4)/1.02 var(--display); letter-spacing: -.015em; }
.hero h1 em { font-style: italic; color: var(--accent); }
.hero__lead { max-width: 56ch; color: var(--ink-2); font-size: 1.08rem; }
.hero__cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 6px; }

/* Escena: mensaje → invitación → panel */
.scene { margin: 0; position: relative; justify-self: center; padding: 40px 0 30px; }
.phone--hero { --w: 280px; --s: .6769; }
.scene__msg, .scene__panel { position: absolute; z-index: 2; background: var(--surface); color: var(--ink);
  box-shadow: 0 18px 40px -18px rgba(15, 12, 40, .45), 0 0 0 1px var(--rule); }
.scene__msg { left: -86px; top: -6px; width: 224px; padding: 8px 8px 6px; border-radius: 12px 12px 12px 3px;
  background: var(--bubble); animation: rise .6s .3s both; }
.scene__text { font-size: .8rem; line-height: 1.35; padding: 2px 4px 8px; }
.scene__link { display: grid; background: color-mix(in srgb, var(--ink) 6%, transparent); border-radius: 8px; overflow: hidden; }
.scene__link img { width: 100%; height: 92px; object-fit: cover; display: block; }
.scene__link div { padding: 8px 10px; display: grid; gap: 1px; }
.scene__link b { font-size: .8rem; }
.scene__link span { font-size: .72rem; color: var(--ink-2); line-height: 1.3; }
.scene__link small { font: 400 .66rem var(--mono); color: var(--ink-2); margin-top: 3px; }
.scene__time { display: flex; justify-content: flex-end; align-items: center; gap: 4px; font: 400 .66rem var(--mono); color: var(--ink-2); padding: 5px 4px 0; }
.scene__time svg { color: #34a3e0; }
.scene__panel { right: -56px; bottom: 0; width: 206px; padding: 14px 16px; border-radius: 4px; animation: rise .6s .9s both; }
.scene__panel-head { font: 500 .66rem/1 var(--mono); letter-spacing: .12em; text-transform: uppercase; color: var(--ink-2); }
.scene__panel-head span { color: var(--accent); margin-right: 4px; }
.scene__count { margin-top: 10px; font-size: .85rem; color: var(--ink-2); }
.scene__count b { font: 500 2rem/1 var(--display); color: var(--ink); margin-right: 4px; font-variant-numeric: tabular-nums; }
.scene__bar { height: 4px; background: var(--rule); margin: 8px 0 10px; }
.scene__bar span { display: block; height: 100%; background: var(--accent); }
.scene__panel ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.scene__panel li { display: flex; align-items: center; gap: 8px; font-size: .8rem; }
.scene__panel li em { margin-left: auto; font: normal 500 .7rem var(--mono); color: var(--ink-2); }
.scene__panel i { width: 8px; height: 8px; border-radius: 50%; flex: none; }
.scene__panel i.ok { background: #2f9e6b; }
.scene__bar span { background: linear-gradient(90deg, var(--gold-2), var(--gold-1)); }
.scene__panel i.wait { background: #d9a21b; }
@keyframes rise { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: none; } }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* ---------- Encabezados de sección ---------- */
.sec-head { max-width: 1180px; margin: 0 auto clamp(32px, 5vw, 56px); padding: 0 var(--gutter); display: grid; gap: 14px; }
.sec-head h2 { font: 500 var(--step-3)/1.05 var(--display); letter-spacing: -.01em; max-width: 18ch; }
.sec-head p:not(.label) { color: var(--ink-2); max-width: 58ch; }

/* ---------- Muestrario ---------- */
.samples { padding-block: clamp(56px, 8vw, 96px); border-top: 1px solid var(--rule); }
.samples__list { max-width: 1180px; margin: 0 auto; padding: 0 var(--gutter); display: grid; gap: clamp(48px, 7vw, 96px); }
.sample { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: clamp(28px, 5vw, 72px); align-items: center; }
.sample:nth-child(even) .sample__stage { order: 2; }
.sample__stage { position: relative; display: flex; justify-content: center; align-items: flex-end; height: 440px; overflow: hidden;
  background: color-mix(in srgb, var(--swatch) 16%, var(--paper)); padding-top: 40px; }
.note { position: absolute; right: 18px; top: 26px; width: 168px; padding: 12px 14px; background: var(--surface); color: var(--ink);
  box-shadow: 0 16px 30px -16px rgba(15, 12, 40, .45), 0 0 0 1px var(--rule); transform: rotate(2deg); z-index: 2; }
.note__head { font: 500 .64rem/1.3 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--accent); }
.note__row { font-size: .82rem; margin-top: 6px; }
.note__row b { font-variant-numeric: tabular-nums; }
.note__sub { font-size: .74rem; color: var(--ink-2); margin-top: 4px; line-height: 1.4; }
.note__foot { font: 500 .66rem var(--mono); margin-top: 8px; padding-top: 6px; border-top: 1px solid var(--rule); color: var(--ink-2); }
.chips { position: absolute; left: 18px; bottom: 18px; list-style: none; margin: 0; padding: 0; display: grid; gap: 4px; z-index: 2; }
.chips li { display: flex; align-items: center; gap: 8px; font: 500 .62rem/1 var(--mono); letter-spacing: .06em; color: var(--ink); }
.chips li::before { content: ""; width: 22px; height: 22px; background: var(--c); box-shadow: inset 0 0 0 1px rgba(0,0,0,.12); }
.chips span { background: color-mix(in srgb, var(--paper) 80%, transparent); padding: 2px 4px; }
.specimen { font-size: 1.55rem; line-height: 1; margin-right: 6px; color: var(--ink); vertical-align: -3px; }
.sample__stage .phone { --w: 250px; --s: .6; border-radius: 34px 34px 0 0; padding-bottom: 0; }
.sample__info { display: grid; gap: 14px; min-width: 0; }
.sample__kind { font: 500 .75rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.sample h3 { font: 500 var(--step-3)/1 var(--display); letter-spacing: -.01em; }
.sample__mood { font: italic 400 var(--step-1)/1.4 var(--display); color: var(--ink-2); max-width: 36ch; }
.spec { margin: 8px 0 6px; border-top: 1px solid var(--rule); }
.spec div { display: grid; grid-template-columns: 9.5rem minmax(0, 1fr); gap: 16px; padding: 11px 0; border-bottom: 1px solid var(--rule); }
.spec dt { font: 500 .72rem/1.6 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--ink-2); }
.spec dd { margin: 0; font-size: .97rem; }
.sample__actions { display: flex; gap: 12px; flex-wrap: wrap; }

/* ---------- Qué incluye ---------- */
.includes { padding-block: clamp(56px, 8vw, 96px); background: var(--surface); border-block: 1px solid var(--rule); }
.includes__cols { max-width: 1180px; margin: 0 auto; padding: 0 var(--gutter); display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: clamp(28px, 5vw, 72px); }
.includes__col h3 { font: italic 500 var(--step-2)/1.15 var(--display); padding-bottom: 14px; border-bottom: 2px solid var(--ink); }
.includes__col ul { list-style: none; margin: 0; padding: 0; }
.includes__col li { padding: 14px 0 14px 28px; border-bottom: 1px solid var(--rule); position: relative; }
.includes__col li::before { content: ""; position: absolute; left: 2px; top: 1.45em; width: 12px; height: 1.5px; background: var(--accent); }

/* ---------- Proceso (secuencia real) ---------- */
.process { padding-block: clamp(56px, 8vw, 96px); }
.steps { list-style: none; counter-reset: paso; max-width: 1180px; margin: 0 auto; padding: 0 var(--gutter);
  display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 24px; }
.steps li { counter-increment: paso; border-top: 2px solid var(--ink); padding-top: 18px; display: grid; gap: 8px; align-content: start; }
.steps li::before { content: counter(paso); font: italic 500 2.6rem/1 var(--display); color: var(--accent); }
.steps h3 { font: 600 1.05rem/1.3 var(--body); }
.steps p { color: var(--ink-2); font-size: .95rem; }

.closing { max-width: 1180px; margin: 0 auto; padding: clamp(56px, 8vw, 96px) var(--gutter); display: grid; gap: 16px; justify-items: start;
  border-top: 1px solid var(--rule); }
.closing h2 { font: italic 500 var(--step-4)/1 var(--display); }
.closing p { color: var(--ink-2); max-width: 52ch; margin-bottom: 8px; }

.foot { border-top: 1px solid var(--rule); padding: 28px var(--gutter) 40px; display: grid; gap: 6px; font-size: .9rem; }
.foot__note { color: var(--ink-2); font-size: .82rem; max-width: 70ch; }

/* ================= Tour ================= */
.tour { position: fixed; inset: 0; z-index: 100; display: none; grid-template-columns: minmax(0, 1fr) minmax(320px, 420px); background: var(--stage); }
.tour.open { display: grid; }
.tour__stage { display: flex; align-items: center; justify-content: center; padding: 28px; min-height: 0; min-width: 0; overflow: hidden;
  background: radial-gradient(circle at 50% 45%, color-mix(in srgb, var(--gold-2) 18%, var(--stage)) 0%, var(--stage) 62%); }
.tour__phonewrap { position: relative; flex: none; }
.tour__phone { position: absolute; top: 0; left: 0; width: 414px; height: 868px; padding: 12px; border-radius: 56px; background: #0b0a10;
  box-shadow: 0 0 0 2px #2c2a36, 0 40px 80px -20px rgba(0, 0, 0, .7); transform-origin: 0 0; }
.tour__notch { position: absolute; top: 22px; left: 50%; width: 110px; height: 30px; margin-left: -55px; border-radius: 20px; background: #0b0a10; z-index: 2; }
.tour__screen { width: 390px; height: 844px; border-radius: 44px; overflow: hidden; background: #fff; position: relative; }
.tour__screen iframe { width: 100%; height: 100%; border: 0; display: block; }
.tour__screen::after { content: ""; position: absolute; inset: 0; background: rgba(255, 255, 255, .55); opacity: 0; pointer-events: none; transition: opacity .2s; }
.tour__screen.busy::after { opacity: 1; }

.tour__panel { background: var(--paper); color: var(--ink); padding: 26px 26px 20px; display: flex; flex-direction: column; min-height: 0; overflow: hidden; }
.tour__head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.tour__name { font: 500 1.4rem/1.15 var(--display); }
.tour__style { margin-top: 2px; color: var(--ink-2); font: italic 400 1rem var(--display); }
.tour__progress { height: 3px; background: var(--rule); margin: 22px 0 14px; overflow: hidden; }
.tour__progress span { display: block; height: 100%; width: 0; background: var(--gold-2); transition: width .35s ease; }
.tour__count { font: 500 .72rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--accent); }
.tour__title { font: 500 1.9rem/1.1 var(--display); margin: 10px 0 10px; }
.tour__text { color: var(--ink-2); min-height: 4.8em; }
.tour__controls { display: flex; gap: 10px; margin-top: 22px; }
.tour__controls .btn { flex: 1; }
.tour__sub { display: flex; justify-content: space-between; margin-top: 10px; }
.tour__steps { list-style: none; margin: 18px 0 0; padding: 14px 0 0; border-top: 1px solid var(--rule); overflow: auto; flex: 1; min-height: 0; }
.tour__steps button { width: 100%; display: flex; gap: 12px; align-items: baseline; text-align: left; background: none; border: 0; padding: 7px 6px;
  font: 400 .9rem/1.35 var(--body); color: var(--ink-2); cursor: pointer; }
.tour__steps button:hover { color: var(--ink); }
.tour__steps b { flex: none; width: 1.6rem; font: 500 .72rem var(--mono); color: var(--ink-2); font-variant-numeric: tabular-nums; }
.tour__steps li.done button { color: var(--ink); }
.tour__steps li.now button { color: var(--ink); font-weight: 600; box-shadow: inset 2px 0 0 var(--accent); }
.tour__steps li.now b { color: var(--accent); }

/* ---------- Pantallas medianas y móvil ---------- */
@media (max-width: 900px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
  .scene { order: -1; padding: 70px 0 60px; }
  .phone--hero { --w: 220px; --s: .5231; }
  .scene__msg { left: -96px; width: 196px; }
  .scene__link img { height: 70px; }
  .scene__panel { right: -96px; width: 186px; }
  .sample { grid-template-columns: minmax(0, 1fr); }
  .sample:nth-child(even) .sample__stage { order: 0; }
  .sample__stage { height: 360px; }
  .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 860px) {
  .top__nav a:not(.top__ig) { display: none; }
  .tour { grid-template-columns: minmax(0, 1fr); grid-template-rows: minmax(0, 1fr) auto; }
  .tour__stage { padding: 12px 12px 8px; }
  .tour__panel { padding: 16px 16px calc(14px + env(safe-area-inset-bottom, 0px)); max-height: 46vh; }
  .tour__progress { margin: 12px 0 8px; }
  .tour__title { font-size: 1.4rem; margin: 6px 0 4px; }
  .tour__text { font-size: .93rem; min-height: 0; }
  .tour__controls { margin-top: 12px; }
  .tour__steps { display: flex; gap: 4px; overflow-x: auto; margin-top: 10px; padding-top: 10px; flex: none; }
  .tour__steps button { white-space: nowrap; padding: 6px 10px; border: 1px solid var(--rule); }
  .tour__steps li.now button { box-shadow: none; border-color: var(--accent); }
  .tour__name { font-size: 1.15rem; }
}
@media (max-width: 560px) {
  .scene__msg { left: -18px; top: 6px; transform: scale(.88); transform-origin: 0 0; }
  .scene__panel { right: -18px; transform: scale(.88); transform-origin: 100% 100%; }
  .note { right: 10px; width: 150px; }
  .includes__cols, .steps { grid-template-columns: minmax(0, 1fr); }
  .spec div { grid-template-columns: minmax(0, 1fr); gap: 2px; }
  .hero__cta .btn, .sample__actions .btn { flex: 1 1 100%; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; animation: none !important; scroll-behavior: auto !important; } }

/* ---------- Final del tour ---------- */
.tour__outro { display: grid; gap: 12px; align-content: start; margin-top: 22px; }
.tour__outro .tour__title { margin: 0; }
.tour__outro .tour__text { min-height: 0; }
.tour__panel.is-outro .tour__progress, .tour__panel.is-outro > .tour__count, .tour__panel.is-outro > .tour__title,
.tour__panel.is-outro > .tour__text, .tour__panel.is-outro .tour__controls, .tour__panel.is-outro .tour__sub,
.tour__panel.is-outro .tour__steps { display: none; }
.tour__more { margin-top: 10px; font: 500 .72rem/1 var(--mono); letter-spacing: .14em; text-transform: uppercase; color: var(--ink-2); }
.tour__others { display: grid; gap: 8px; }
.tour__other { display: grid; gap: 2px; text-align: left; padding: 12px 14px; background: transparent; border: 1px solid var(--rule); color: var(--ink); cursor: pointer; font: inherit; }
.tour__other:hover { border-color: var(--accent); }
.tour__other b { font: 500 1.05rem/1.2 var(--display); }
.tour__other span { font: italic .9rem var(--display); color: var(--ink-2); }
.tour__outro .link-btn { justify-self: start; }
@media (max-width: 860px) { .tour__outro { margin-top: 10px; gap: 8px; } .tour__others { grid-template-columns: 1fr 1fr; } }
.closing__actions { display: flex; gap: 12px; flex-wrap: wrap; }
.mail { color: var(--ink); text-decoration-color: var(--accent); text-underline-offset: 3px; }
.tour__mail { font-size: .9rem; color: var(--ink-2); }

/* ---------- Preguntas frecuentes ---------- */
.faq { padding-block: clamp(56px, 8vw, 96px); border-top: 1px solid var(--rule); }
.faq__list { max-width: 1180px; margin: 0 auto; padding: 0 var(--gutter); display: grid; }
.faq details { border-bottom: 1px solid var(--rule); }
.faq details:first-child { border-top: 2px solid var(--ink); }
.faq summary { cursor: pointer; list-style: none; display: flex; justify-content: space-between; gap: 16px; align-items: baseline;
  padding: 18px 0; font: 500 var(--step-1)/1.3 var(--display); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font: 400 1.4rem/1 var(--body); color: var(--accent); flex: none; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding: 0 0 20px; max-width: 64ch; color: var(--ink-2); }

/* Logo en línea: toma los colores de la paleta, así nunca queda claro sobre claro */
.brand__logo { height: 40px; width: auto; display: block; color: var(--ink); }
.brand__logo .lg-paper-f { fill: var(--paper); }
.brand__logo .lg-paper-s { stroke: var(--paper); }
.tour__outro[hidden] { display: none; }