/* Hallmark · pre-emit critique: P4 H5 E4 S5 R4 V5
 * Hallmark · genre: playful · macrostructure: Stat-Led · H4 knobs: number=tabular-display, qualifier=inline-right, secondary=row-of-three
 * theme: custom v2 · vibe: "crema soleada, navy del logo, naranja señal, urgencia S.O.S"
 * paper: oklch(96.5% 0.016 85) · accent: oklch(78% 0.150 75)
 * display: Space Grotesk · body: Plus Jakarta Sans · axes: light / geometric-sans / warm
 * nav: N12 banner+retract · footer: Ft5 statement · enrichment: screenshots + fotos lifestyle
 * studied: no · context: user-directed (v1 oscura rechazada por David: "muy oscura, más vida")
 */

*, *::before, *::after { box-sizing: border-box; }
html { overflow-x: clip; scroll-behavior: smooth; scroll-padding-top: 6rem; }
body {
  margin: 0;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
h1, h2, h3 { font-family: var(--font-display); font-weight: 700; letter-spacing: -0.02em; line-height: 1.12; margin: 0; overflow-wrap: anywhere; min-width: 0; }
p { margin: 0; }
a { color: var(--color-sky); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { color: var(--color-ink); }
:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 3px; border-radius: 4px; }

.tnum { font-variant-numeric: tabular-nums; }
.shell { max-width: var(--shell); margin-inline: auto; padding-inline: var(--page-gutter); }
.skip { position: absolute; left: -999px; top: 0; background: var(--color-accent); color: var(--color-accent-ink); padding: var(--space-sm) var(--space-md); z-index: var(--z-sticky); }
.skip:focus { left: var(--space-md); }

/* resaltador — sigue al texto, nunca una barra flotante */
.hl {
  background-image: linear-gradient(oklch(78% 0.150 75 / 0.5) 0 0);
  background-repeat: no-repeat;
  background-size: 100% 0.34em;
  background-position: 0 84%;
  -webkit-box-decoration-break: clone;
  box-decoration-break: clone;
}

/* ============ botones — el press es el feedback ============ */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5em;
  padding: 0.8rem 1.5rem;
  font-family: var(--font-body); font-weight: 700; font-size: var(--text-base);
  border: 0; border-radius: var(--radius-pill);
  cursor: pointer; text-decoration: none; white-space: nowrap;
  min-height: 44px;
}
.btn-push {
  background: var(--color-accent); color: var(--color-accent-ink);
  box-shadow: 0 4px 0 0 var(--color-accent-deep), 0 6px 14px -4px oklch(60% 0.130 70 / 0.45);
  transform: translateY(0);
  transition: transform 140ms var(--ease-press), box-shadow 140ms var(--ease-press);
}
.btn-push:hover { color: var(--color-accent-ink); transform: translateY(-2px); box-shadow: 0 6px 0 0 var(--color-accent-deep), 0 12px 22px -6px oklch(60% 0.130 70 / 0.45); }
.btn-push:active { transform: translateY(3px); box-shadow: 0 1px 0 0 var(--color-accent-deep); transition-duration: 70ms; }
.btn-outline {
  background: transparent; color: var(--color-ink);
  box-shadow: inset 0 0 0 1.5px var(--color-ink);
  transition: background-color var(--dur-micro) var(--ease-out);
}
.btn-outline:hover { background: oklch(26% 0.055 265 / 0.06); color: var(--color-ink); }
.btn-outline:active { background: oklch(26% 0.055 265 / 0.12); }
.btn-sm { padding: 0.55rem 1.1rem; font-size: var(--text-sm); min-height: 40px; }
.btn-block { width: 100%; }

/* badges oficiales de tienda */
.store-badges { display: flex; gap: var(--space-md); align-items: center; margin-top: var(--space-xl); flex-wrap: wrap; }
.store-badges img { border-radius: 10px; }
.store-badges a { display: inline-block; border-radius: 10px; transition: transform 140ms var(--ease-press); }
.store-badges a:hover { transform: translateY(-2px); }
.badge-soon-wrap { display: inline-block; opacity: 0.55; }
.store-badges-center { justify-content: center; }

/* ============ N12 · banner + nav retráctil ============ */
.topbar { position: fixed; inset: 0 0 auto 0; z-index: var(--z-sticky); transition: transform var(--dur-short) var(--ease-out); }
.topbar.is-hidden { transform: translateY(calc(-100% + 4.25rem)); }
.banner {
  display: flex; align-items: center; justify-content: center; gap: var(--space-md);
  background: var(--color-ink); color: var(--color-paper);
  padding: var(--space-xs) var(--page-gutter);
  font-size: var(--text-sm); font-weight: 600; text-align: center;
}
.banner a { color: var(--color-accent); font-weight: 700; }
.banner-x { background: none; border: 0; color: var(--color-paper); font-size: 1.4rem; line-height: 1; cursor: pointer; padding: 0 var(--space-xs); }
.banner.is-dismissed { display: none; }
.nav { background: oklch(96.5% 0.016 85 / 0.9); backdrop-filter: blur(12px); border-bottom: 1px solid var(--color-rule); }
.nav-inner {
  max-width: var(--shell); margin-inline: auto; padding: var(--space-sm) var(--page-gutter);
  display: flex; align-items: center; gap: var(--space-lg); min-height: 4.25rem;
}
.brand { display: inline-flex; align-items: center; gap: 0.6rem; text-decoration: none; font-family: var(--font-display); font-weight: 700; font-size: var(--text-lg); letter-spacing: -0.02em; }
.brand img { border-radius: 9px; }
.brand-word { color: var(--color-ink); }
.brand-sos { color: var(--color-red); }
.nav-links { display: flex; gap: var(--space-lg); margin-inline: auto; }
.nav-links a { color: var(--color-ink-2); text-decoration: none; font-weight: 600; font-size: var(--text-sm); white-space: nowrap; }
.nav-links a:hover { color: var(--color-ink); }
.nav-cta { margin-left: auto; }
.nav-links + .nav-cta { margin-left: 0; }
.nav-burger { display: none; background: none; border: 0; cursor: pointer; padding: var(--space-xs); margin-left: auto; }
.nav-burger span { display: block; width: 24px; height: 2.5px; border-radius: 2px; background: var(--color-ink); margin: 5px 0; }

/* ============ HERO · Stat-Led ============ */
.hero { padding-top: 9.5rem; padding-bottom: var(--space-2xl); }
.hero-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: var(--space-xl); align-items: center; }
.hero-h1 { font-size: var(--text-display-s); max-width: 18ch; }
.hero-figure-row { display: flex; align-items: baseline; gap: var(--space-md); margin-top: var(--space-lg); flex-wrap: wrap; }
.figure {
  font-family: var(--font-display); font-weight: 700; font-size: var(--text-figure);
  line-height: 0.95; letter-spacing: -0.03em; color: var(--color-accent-text);
}
.figure-q { max-width: 24ch; color: var(--color-ink-2); font-size: var(--text-md); line-height: 1.45; }
.lede { margin-top: var(--space-lg); max-width: 52ch; color: var(--color-ink-2); font-size: var(--text-md); }
.trust-row { list-style: none; display: flex; gap: var(--space-xl); padding: 0; margin: var(--space-xl) 0 0; flex-wrap: wrap; }
.trust-row li { color: var(--color-muted); font-size: var(--text-sm); font-weight: 600; }
.trust-row strong { color: var(--color-ink); font-family: var(--font-display); font-size: var(--text-lg); margin-right: 0.3rem; font-variant-numeric: tabular-nums; }

/* abanico de screenshots reales */
.hero-shots { position: relative; height: 560px; min-width: 0; }
.shot { margin: 0; border-radius: var(--radius-shot); overflow: hidden; border: 1px solid var(--color-rule); background: var(--color-surface); }
.shot img { width: 100%; height: 100%; object-fit: cover; object-position: top; }
.hero-shots .shot { position: absolute; width: 62%; aspect-ratio: 720 / 1400; box-shadow: var(--shadow-photo); }
.shot-a { left: 0; top: 8%; transform: rotate(-4deg); z-index: 1; }
.shot-b { left: 30%; top: 0; transform: rotate(1.5deg); z-index: 2; }
.shot-c { left: 58%; top: 12%; transform: rotate(5deg); z-index: 1; }

/* entrada orquestada — una sola vez, al cargar */
.hero-copy > *, .hero-shots {
  opacity: 0; transform: translateY(10px);
  animation: reveal var(--dur-long) var(--ease-out) forwards;
  animation-delay: calc(var(--i, 0) * 70ms);
}
@keyframes reveal { to { opacity: 1; transform: translateY(0); } }

/* ============ vida · collage polaroid ============ */
.life { padding-block: var(--space-2xl); }
.life-grid { display: grid; grid-template-columns: 1.2fr 0.7fr 1.2fr 1fr; gap: var(--space-lg); align-items: center; }
.polaroid {
  margin: 0; background: var(--color-surface); padding: 10px 10px 14px;
  border-radius: 10px; box-shadow: var(--shadow-photo); overflow: hidden;
}
.polaroid img { border-radius: 6px; width: 100%; height: 100%; object-fit: cover; }
.p-1 { transform: rotate(-2.5deg); }
.p-2 { transform: rotate(1.5deg); }
.p-3 { transform: rotate(2deg); }
.p-4 { transform: rotate(-1.5deg); }
.life-line { margin-top: var(--space-xl); text-align: center; color: var(--color-ink-2); font-weight: 600; font-size: var(--text-md); }

/* ============ secciones ============ */
.section { padding-block: var(--space-3xl); }
.section.band { background: var(--color-paper-2); }
.sec-head h2 { font-size: var(--text-2xl); max-width: 24ch; }
.sec-head { margin-bottom: var(--space-2xl); }
.sec-sub { margin-top: var(--space-md); max-width: 62ch; color: var(--color-ink-2); }

/* ============ apps · cards por materia ============ */
.apps-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-lg); }
.app-card {
  background: var(--color-surface);
  border-radius: var(--radius-card);
  border: 1px solid color-mix(in oklch, var(--card-accent, var(--color-rule)) 30%, var(--color-rule));
  padding: var(--space-lg);
  display: flex; flex-direction: column; gap: var(--space-md);
  box-shadow: var(--shadow-card);
  transition: transform var(--dur-short) var(--ease-out), box-shadow var(--dur-short) var(--ease-out);
}
.app-card:hover { transform: translateY(-4px); box-shadow: 0 20px 44px -20px oklch(30% 0.06 265 / 0.45); }
.card-historia { --card-accent: var(--color-accent-text); }
.card-ciencias { --card-accent: var(--color-sky); }
.card-mate     { --card-accent: var(--color-indigo); }
.card-shot { margin: calc(-1 * var(--space-lg)) calc(-1 * var(--space-lg)) 0; border-radius: var(--radius-card) var(--radius-card) 0 0; overflow: hidden; aspect-ratio: 720 / 620; background: color-mix(in oklch, var(--card-accent) 10%, var(--color-paper-2)); }
.card-shot img { width: 78%; margin: var(--space-lg) auto 0; border-radius: 14px 14px 0 0; border: 1px solid var(--color-rule); border-bottom: 0; box-shadow: var(--shadow-card); }
.app-top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-sm); margin-top: calc(-1 * var(--space-2xl)); }
.app-icon { border-radius: 16px; width: 72px; height: 72px; box-shadow: var(--shadow-card); border: 2px solid var(--color-surface); }
.badge { font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; padding: 0.3rem 0.7rem; border-radius: var(--radius-pill); white-space: nowrap; background: var(--color-surface); }
.badge-live { color: oklch(45% 0.13 150); box-shadow: inset 0 0 0 1.5px oklch(45% 0.13 150 / 0.4); }
.badge-soon { color: var(--color-accent-text); box-shadow: inset 0 0 0 1.5px oklch(58% 0.14 62 / 0.4); }
.app-card h3 { font-size: var(--text-lg); }
.app-card > p { color: var(--color-ink-2); font-size: var(--text-sm); flex-grow: 1; }
.app-stats { list-style: none; padding: 0; margin: 0; display: grid; gap: var(--space-xs); }
.app-stats li { color: var(--color-ink-2); font-size: var(--text-sm); border-top: 1px solid var(--color-rule); padding-top: var(--space-xs); }
.app-stats strong { color: var(--card-accent); font-family: var(--font-display); font-size: var(--text-md); margin-right: 0.35rem; }
.store-badge-cta { display: flex; justify-content: center; }
.store-badge-cta img { border-radius: 9px; transition: transform 140ms var(--ease-press); }
.store-badge-cta:hover img { transform: translateY(-2px); }
.app-note { text-align: center; font-size: var(--text-sm); color: var(--color-muted); }

/* ============ lite vs completa ============ */
.tiers { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 7fr); gap: var(--space-lg); align-items: stretch; }
.tier { border-radius: var(--radius-card); padding: var(--space-xl); display: flex; flex-direction: column; gap: var(--space-md); }
.tier-lite { background: transparent; border: 1.5px dashed var(--color-muted); }
.tier-full { background: var(--color-surface); border: 2px solid var(--color-accent); box-shadow: var(--shadow-card); position: relative; }
.tier-flag {
  position: absolute; top: calc(-1 * var(--space-md)); left: var(--space-xl);
  background: var(--color-accent); color: var(--color-accent-ink);
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 0.35rem 0.8rem; border-radius: var(--radius-pill);
}
.tier h3 { font-size: var(--text-xl); }
.tier-price { font-family: var(--font-display); font-weight: 700; font-size: var(--text-2xl); color: var(--color-ink); }
.tier-price span { font-size: var(--text-sm); font-family: var(--font-body); font-weight: 700; color: var(--color-red); margin-left: 0.4rem; }
.tier-for { color: var(--color-ink-2); font-size: var(--text-sm); }
.tier-rows { margin: 0; display: grid; gap: var(--space-sm); flex-grow: 1; }
.tier-rows > div { display: flex; justify-content: space-between; gap: var(--space-md); border-top: 1px solid var(--color-rule); padding-top: var(--space-sm); }
.tier-rows dt { color: var(--color-muted); font-size: var(--text-sm); font-weight: 600; }
.tier-rows dd { margin: 0; font-size: var(--text-sm); text-align: right; }

/* ============ método ============ */
.metodo-grid { display: grid; grid-template-columns: minmax(0, 7fr) minmax(0, 4fr); gap: var(--space-2xl); align-items: center; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: var(--space-lg); }
.steps li { display: flex; gap: var(--space-lg); align-items: baseline; border-top: 1px solid var(--color-rule); padding-top: var(--space-lg); }
.step-n { font-family: var(--font-display); font-weight: 700; font-size: var(--text-xl); color: var(--color-accent-text); min-width: 2.2ch; }
.steps h3 { font-size: var(--text-md); }
.steps p { color: var(--color-ink-2); font-size: var(--text-sm); margin-top: var(--space-2xs); }
.shot-metodo { max-width: 320px; justify-self: end; transform: rotate(2deg); box-shadow: var(--shadow-photo); }
.shot-metodo figcaption { font-size: var(--text-sm); color: var(--color-muted); padding: var(--space-sm) var(--space-md); }

/* ============ android ============ */
.android-grid { display: grid; grid-template-columns: minmax(0, 6fr) minmax(0, 5fr); gap: var(--space-2xl); align-items: center; }
.android-copy { display: grid; gap: var(--space-lg); justify-items: start; }
.android-copy h2 { font-size: var(--text-2xl); }
.android-copy p { color: var(--color-ink-2); }
.android-copy .store-badges { margin-top: 0; }
.android-note { font-size: var(--text-sm); color: var(--color-muted); }
.p-android { transform: rotate(1.5deg); }

/* ============ alex ============ */
.alex-inner { max-width: 44rem; }
.alex-copy { font-size: var(--text-md); color: var(--color-ink-2); border-left: 3px solid var(--color-indigo); padding-left: var(--space-lg); }

/* ============ cta final ============ */
.final { padding-block: var(--space-2xl) var(--space-3xl); }
.final-inner { text-align: center; display: grid; gap: var(--space-xl); justify-items: center; }
.final-logo { border-radius: 22px; box-shadow: var(--shadow-card); }
.final-inner h2 { font-size: var(--text-display-s); max-width: 20ch; }
.final-inner .store-badges { margin-top: 0; }

/* ============ footer · Ft5 statement ============ */
.footer { border-top: 1px solid var(--color-rule); background: var(--color-ink); color: var(--color-paper); padding-block: var(--space-3xl) var(--space-xl); }
.footer-statement { font-family: var(--font-display); font-weight: 700; font-size: var(--text-display-s); letter-spacing: -0.02em; max-width: 16ch; line-height: 1.1; }
.footer-meta { margin-top: var(--space-2xl); display: grid; gap: var(--space-sm); }
.brand-mini { font-family: var(--font-display); font-weight: 700; display: flex; align-items: center; gap: 0.5rem; }
.brand-mini img { border-radius: 7px; }
.brand-mini span { color: oklch(70% 0.19 30); }
.legal { color: oklch(75% 0.02 250); font-size: var(--text-sm); max-width: 76ch; }
.legal a { color: oklch(75% 0.02 250); }

/* ============ responsive ============ */
@media (max-width: 60rem) {
  .hero { padding-top: 8.5rem; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-shots { height: auto; display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--space-sm); }
  .hero-shots .shot { position: static; width: 100%; transform: none; aspect-ratio: 720 / 1200; }
  .life-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .apps-grid { grid-template-columns: 1fr; }
  .tiers { grid-template-columns: 1fr; }
  .metodo-grid { grid-template-columns: 1fr; }
  .shot-metodo { justify-self: start; transform: none; }
  .android-grid { grid-template-columns: 1fr; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; gap: 0; background: var(--color-paper); border-bottom: 1px solid var(--color-rule); padding: var(--space-sm) var(--page-gutter); }
  .nav-links.is-open { display: flex; }
  .nav-links a { padding: var(--space-sm) 0; min-height: 44px; display: flex; align-items: center; }
  .nav-burger { display: block; }
  .nav-cta { display: none; }
}
@media (max-width: 40rem) {
  .section { padding-block: var(--space-2xl); }
  .sec-head h2 { font-size: var(--text-xl); }
  .figure { font-size: clamp(3.5rem, 18vw, 5.5rem); }
  .banner { font-size: 0.8rem; }
  .trust-row { gap: var(--space-lg); }
  .footer-statement { font-size: var(--text-xl); }
  .life-grid { grid-template-columns: 1fr 1fr; gap: var(--space-md); }
  .store-badges { gap: var(--space-sm); }
  .store-badges img { width: 150px; height: auto; }
}

/* ============ reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 150ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 150ms !important;
  }
  .hero-copy > *, .hero-shots { animation: reveal-reduced 150ms linear forwards; }
  @keyframes reveal-reduced { to { opacity: 1; transform: none; } }
}