/* Colores de la marca en modo claro (docs/diseno.md y ios/Cardinal/Theme): grises de iOS, tarjetas blancas y bermellón */
:root {
  --bg: #F2F2F7;
  --bg-2: #FFFFFF;
  --card: #FFFFFF;
  --card-2: #F6F6F9;
  --line: #E3E4EA;
  --ink: #0E1016;
  --dim: #5D6370;
  --brand: #EE3A24;
  --brand-ink: #D12E19;
  --amber: #F5B83D;
  --good: #1F9D6E;
  --radius: 22px;
  --wrap: 1120px;
  --shadow: 0 1px 2px rgba(14, 16, 22, 0.04), 0 12px 32px -12px rgba(14, 16, 22, 0.12);
  --font: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text", "Helvetica Neue", "Segoe UI", Roboto, Arial, sans-serif;
  color-scheme: light;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 17px/1.55 var(--font);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; }
a { color: inherit; }
h1, h2, h3 { margin: 0; letter-spacing: -0.02em; line-height: 1.08; font-weight: 700; }
h1 { font-size: clamp(42px, 7vw, 76px); letter-spacing: -0.035em; }
h2 { font-size: clamp(32px, 4.6vw, 52px); letter-spacing: -0.03em; }
h3 { font-size: 21px; }
p { margin: 0; }
.wrap { width: 100%; max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }
.center { text-align: center; margin-left: auto; margin-right: auto; }
.eyebrow {
  color: var(--brand-ink);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: 14px;
}
.lead { font-size: clamp(18px, 2vw, 21px); color: var(--dim); }

/* Barra */
.nav {
  position: sticky; top: 0; z-index: 10;
  background: rgba(242, 242, 247, 0.78);
  backdrop-filter: saturate(180%) blur(18px);
  -webkit-backdrop-filter: saturate(180%) blur(18px);
  border-bottom: 1px solid rgba(14, 16, 22, 0.06);
}
.nav-inner { display: flex; align-items: center; gap: 28px; height: 64px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-weight: 700; font-size: 19px; letter-spacing: -0.01em; text-decoration: none; }
.brand img { border-radius: 8px; }
.brand.small { font-size: 15px; gap: 8px; }
.brand.small img { border-radius: 5px; }
.nav-links { display: flex; gap: 24px; margin-left: auto; }
.nav-links a { color: var(--dim); text-decoration: none; font-size: 15px; }
.nav-links a:hover { color: var(--ink); }
.nav-cta {
  font-size: 14px; font-weight: 600; color: #fff; text-decoration: none;
  padding: 8px 16px; border-radius: 999px;
  background: var(--brand);
  white-space: nowrap;
}
.nav-cta:hover { background: var(--brand-ink); }
/* Selector de idioma: la bandera del otro idioma, con su nombre (en el teléfono, solo la bandera y el código) */
.lang {
  display: inline-flex; align-items: center; gap: 7px;
  color: var(--dim); text-decoration: none; font-size: 14px; font-weight: 500;
  padding: 6px 10px; border-radius: 999px; border: 1px solid var(--line); background: var(--card);
  white-space: nowrap;
}
.lang:hover { color: var(--ink); border-color: #CDD0D8; }
.lang svg { width: 21px; height: 14px; border-radius: 3px; flex: none; box-shadow: 0 0 0 0.5px rgba(14, 16, 22, 0.18); }
.lang .lang-code { display: none; }

/* Portada */
.hero { position: relative; padding: 72px 0 40px; overflow: hidden; }
.hero::before {
  content: ""; position: absolute; inset: -25% -15% auto auto; width: 75vw; height: 75vw; max-width: 950px; max-height: 950px;
  background: radial-gradient(closest-side, rgba(238, 58, 36, 0.16), rgba(238, 58, 36, 0) 72%);
  pointer-events: none;
}
.hero-inner { position: relative; display: grid; grid-template-columns: 1.05fr 1fr; gap: 40px; align-items: center; }
.hero-copy h1 { margin-bottom: 22px; }
.hero-copy .lead { max-width: 30em; margin-bottom: 34px; }
.cta-row { display: flex; align-items: center; gap: 26px; flex-wrap: wrap; }
.store-badge {
  display: inline-flex; align-items: center; gap: 10px;
  background: #000; color: #fff; text-decoration: none;
  padding: 10px 22px 10px 16px; border-radius: 14px;
  font-weight: 600; font-size: 22px; line-height: 1.05;
  box-shadow: 0 10px 24px -10px rgba(0, 0, 0, 0.45);
  transition: transform 0.15s ease;
}
.store-badge:hover { transform: translateY(-1px); }
.store-badge small { display: block; font-size: 11px; font-weight: 500; letter-spacing: 0.01em; }
.link-arrow { color: var(--brand-ink); font-weight: 600; text-decoration: none; }
.link-arrow::after { content: " →"; }
.link-arrow:hover { text-decoration: underline; }

.hero-phones { position: relative; height: 700px; } /* alto suficiente para que el teléfono girado de atrás no se corte */
.hero-phones .phone { position: absolute; width: 290px; }
.phone-front { right: 140px; top: 10px; z-index: 2; }
.phone-back { right: -10px; top: 70px; transform: rotate(6deg); }

/* iPhone: el marco sigue oscuro, como el teléfono */
.phone {
  margin: 0;
  width: 300px;
  padding: 9px;
  border-radius: 54px;
  background: linear-gradient(145deg, #3A3F4A, #121418 40%, #2A2E36);
  box-shadow:
    inset 0 0 0 1px rgba(255, 255, 255, 0.14),
    0 40px 70px -24px rgba(14, 16, 22, 0.35),
    0 12px 24px -12px rgba(14, 16, 22, 0.25);
  flex-shrink: 0;
}
.phone img { display: block; width: 100%; border-radius: 45px; background: #F2F2F7; }

/* Cifras */
.facts { padding: 36px 0 24px; }
.facts-grid {
  list-style: none; margin: 0 auto;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px;
}
.facts-grid li {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 20px 22px; display: flex; flex-direction: column; gap: 4px;
}
.facts-grid strong { font-size: 22px; letter-spacing: -0.02em; }
.facts-grid span { color: var(--dim); font-size: 15px; line-height: 1.4; }

/* Funciones */
.feature { padding: 96px 0; }
.feature:nth-of-type(odd) { background: var(--bg-2); }
.feature-inner { display: flex; align-items: center; justify-content: space-between; gap: 64px; }
.feature.reverse .feature-inner { flex-direction: row-reverse; }
.feature-copy { max-width: 470px; }
.feature-copy.center { max-width: 640px; }
.feature-copy h2 { margin-bottom: 20px; }
.feature-copy p:not(.eyebrow) { color: var(--dim); font-size: 18px; }
.checks { list-style: none; padding: 0; margin: 26px 0 0; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 32px; font-size: 16px; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 3px; width: 20px; height: 20px; border-radius: 50%;
  background: rgba(238, 58, 36, 0.12) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20'%3E%3Cpath d='M6 10.5l2.5 2.5L14 7.5' fill='none' stroke='%23D12E19' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") center / 20px no-repeat;
}
/* flex-start: sin esto, el escalón del segundo teléfono estira el marco del primero */
.phone-pair { display: flex; align-items: flex-start; gap: 24px; }
.phone-pair .phone { width: 270px; }
.phone-pair .phone:nth-child(2) { margin-top: 64px; }
.phone-trio { display: flex; align-items: flex-start; justify-content: center; gap: 28px; margin-top: 56px; }
.phone-trio .phone { width: 280px; }
.phone-trio .phone:nth-child(2) { margin-top: -28px; }

/* Importar */
.import-card {
  width: 420px; flex-shrink: 0;
  background: var(--card); border: 1px solid var(--line); border-radius: 28px;
  padding: 28px; display: grid; gap: 18px;
  box-shadow: 0 40px 70px -30px rgba(14, 16, 22, 0.25);
}
.doc { background: var(--card-2); border-radius: 16px; padding: 18px; }
.doc-head { display: flex; align-items: center; gap: 12px; font-size: 15px; font-weight: 600; margin-bottom: 16px; }
.doc-icon { font-size: 11px; font-weight: 700; color: #fff; background: var(--brand); border-radius: 6px; padding: 5px 6px; letter-spacing: 0.04em; }
.doc-lines { display: grid; gap: 9px; }
.doc-lines i { display: block; height: 8px; border-radius: 4px; background: var(--line); }
.doc-lines i.short { width: 60%; }
.import-arrow { display: flex; justify-content: center; }
.import-arrow img { width: 40px; height: 40px; }
.found { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.found li {
  display: flex; align-items: baseline; gap: 12px;
  background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 14px 16px; font-size: 15px;
}
.found b { color: var(--brand-ink); font-size: 12px; text-transform: uppercase; letter-spacing: 0.08em; min-width: 52px; }

/* Y además */
.more { padding: 96px 0; }
.more h2 { margin-bottom: 48px; }
.more-grid { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.more-grid li { background: var(--card); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.more-grid h3 { margin: 16px 0 8px; font-size: 19px; }
.more-grid p { color: var(--dim); font-size: 15px; line-height: 1.5; }
.more-icon {
  display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 12px;
  background: rgba(238, 58, 36, 0.10);
}
.more-icon svg { width: 22px; height: 22px; fill: none; stroke: var(--brand-ink); stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.themes { margin-top: 96px; display: flex; flex-direction: column; align-items: center; gap: 40px; }
.themes h3 { font-size: clamp(26px, 3vw, 34px); margin-bottom: 10px; }
.themes p { color: var(--dim); font-size: 18px; }

/* Privacidad */
.privacy {
  padding: 110px 0;
  background:
    radial-gradient(ellipse 60% 70% at 50% 0%, rgba(238, 58, 36, 0.14), transparent 100%),
    linear-gradient(180deg, #FFF4F1, var(--bg));
}
.privacy-inner { text-align: center; display: flex; flex-direction: column; align-items: center; }
.privacy-bird { width: 96px; height: 96px; margin-bottom: 18px; }
.privacy h2 { margin-bottom: 20px; }
.privacy .lead { max-width: 36em; }
.privacy-grid { list-style: none; padding: 0; margin: 48px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; width: 100%; max-width: 860px; }
.privacy-grid li {
  background: var(--card); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 22px; display: flex; flex-direction: column; gap: 6px; text-align: left;
}
.privacy-grid strong { font-size: 18px; }
.privacy-grid span { color: var(--dim); font-size: 15px; }

/* Cierre */
.closing { padding: 110px 0 120px; background: var(--bg-2); }
.closing-inner { text-align: center; display: flex; flex-direction: column; align-items: center; gap: 18px; }
.closing-inner > img { width: 120px; height: 120px; border-radius: 27px; box-shadow: 0 24px 50px -18px rgba(238, 58, 36, 0.45); }
.closing-inner p { color: var(--dim); font-size: 18px; }
.closing-inner .store-badge { margin-top: 10px; }

.footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--dim); font-size: 14px; background: var(--bg-2); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }

/* Tablet */
@media (max-width: 1000px) {
  .hero-inner { grid-template-columns: 1fr; text-align: center; }
  .hero-copy .lead { margin-left: auto; margin-right: auto; }
  .cta-row { justify-content: center; }
  .hero-phones { height: 616px; max-width: 520px; width: 100%; margin: 0 auto; }
  .hero-phones .phone { width: 250px; }
  .phone-front { right: auto; left: 50%; transform: translateX(-85%); }
  .phone-back { right: auto; left: 50%; transform: translateX(-10%) rotate(6deg); }
  .feature-inner, .feature.reverse .feature-inner { flex-direction: column; gap: 48px; text-align: left; }
  .feature-copy { max-width: 620px; }
  .facts-grid, .more-grid { grid-template-columns: repeat(2, 1fr); }
}

/* Teléfono */
@media (max-width: 640px) {
  body { font-size: 16px; }
  .wrap { padding: 0 16px; }
  .nav-links { display: none; }
  .lang { margin-left: auto; padding: 5px 9px; font-size: 13px; }
  .lang .lang-name { display: none; }
  .lang .lang-code { display: inline; }
  .nav-inner { gap: 12px; }
  .nav-cta { font-size: 13px; padding: 7px 14px; }
  .hero { padding-top: 44px; }
  .hero-phones { height: 530px; }
  .hero-phones .phone { width: 210px; padding: 7px; border-radius: 38px; }
  .hero-phones .phone img { border-radius: 32px; }
  .feature { padding: 72px 0; }
  .feature-copy p:not(.eyebrow) { font-size: 17px; }
  .phone { width: 260px; }
  .phone-pair { gap: 12px; width: 100%; justify-content: center; }
  .phone-pair .phone { width: calc(50% - 6px); max-width: 220px; padding: 6px; border-radius: 34px; }
  .phone-pair .phone img { border-radius: 29px; }
  .phone-pair .phone:nth-child(2) { margin-top: 40px; }
  .phone-trio { overflow-x: auto; justify-content: flex-start; scroll-snap-type: x mandatory; padding: 28px 16px 24px; margin: 32px -16px 0; gap: 16px; }
  .phone-trio .phone { width: 240px; scroll-snap-align: center; }
  .phone-trio .phone:nth-child(2) { margin-top: 0; }
  .import-card { width: 100%; padding: 20px; }
  .more-grid, .privacy-grid { grid-template-columns: 1fr; }
  .facts-grid { gap: 10px; }
  .facts-grid li { padding: 16px; border-radius: 18px; }
  .facts-grid strong { font-size: 18px; }
  .facts-grid span { font-size: 13.5px; }
  .more h2 { margin-bottom: 32px; }
  .themes { margin-top: 72px; }
  .privacy, .closing { padding: 80px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .store-badge { transition: none; }
}

/* Páginas de texto: privacidad y soporte */
.doc-page { padding: 72px 0 96px; }
.doc-page .wrap { max-width: 760px; }
.doc-page h1 { font-size: clamp(36px, 5.6vw, 56px); margin-bottom: 18px; }
.doc-page .lead { margin-bottom: 12px; }
.doc-page .updated { color: var(--dim); font-size: 14px; margin-bottom: 40px; }
.doc-page h2 { font-size: clamp(24px, 3vw, 30px); margin: 48px 0 14px; }
.doc-page h3 { font-size: 18px; margin: 28px 0 8px; }
.doc-page p, .doc-page li { color: #2B2F38; }
.doc-page p + p, .doc-page ul + p { margin-top: 12px; }
.doc-page ul { padding-left: 22px; margin: 12px 0 0; display: grid; gap: 8px; }
.doc-page a { color: var(--brand-ink); }
.doc-page strong { color: var(--ink); }
.contact-card {
  margin: 32px 0 8px; padding: 26px 28px; border-radius: var(--radius);
  background: var(--card); box-shadow: var(--shadow);
  display: flex; align-items: center; justify-content: space-between; gap: 18px; flex-wrap: wrap;
}
.contact-card p { color: var(--dim); font-size: 15px; }
.contact-card .mail { font-size: 20px; font-weight: 600; color: var(--ink); text-decoration: none; }
.contact-card > div { flex: 1 1 320px; }
.contact-card .nav-cta { font-size: 15px; padding: 10px 20px; color: #fff; }
.faq { margin-top: 8px; display: grid; gap: 12px; }
.faq details { background: var(--card); border-radius: 16px; padding: 18px 22px; }
.faq summary { cursor: pointer; font-weight: 600; color: var(--ink); list-style: none; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; float: right; color: var(--brand-ink); font-weight: 600; }
.faq details[open] summary::after { content: "–"; }
.faq details p { margin-top: 10px; font-size: 16px; }
.footer-links { display: flex; gap: 20px; }
.footer-links a { color: var(--dim); text-decoration: none; }
.footer-links a:hover { color: var(--ink); }

@media (max-width: 640px) {
  .doc-page { padding: 44px 0 72px; }
  .contact-card { padding: 22px; }
}
.privacy-more { margin-top: 36px; }