/* ============================================================
   IHTML — sitio web · estética Apple (claro, aire, tipografía)
   ============================================================ */

:root {
  --bg: #f5f5f7;
  --bg-alt: #ffffff;
  --ink: #1d1d1f;
  --ink-2: #6e6e73;
  --ink-3: #86868b;
  --line: rgba(0, 0, 0, 0.08);
  --line-strong: rgba(0, 0, 0, 0.14);
  --accent: #f97316;
  --accent-2: #fbbf24;
  --grad: linear-gradient(120deg, #f97316, #fbbf24);
  --dark: #000000;
  --dark-card: #161617;
  --font: Roboto, -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
  --mono: ui-monospace, 'SF Mono', 'Cascadia Mono', Consolas, Menlo, monospace;
  --radius: 18px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font);
  font-size: 17px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: rgba(249, 115, 22, 0.22);
}

a {
  color: inherit;
}

.container {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Navegación: Dynamic Island (estilo Apple) ---------- */

.island {
  position: fixed;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 100;
  display: flex;
  align-items: center;
  gap: 12px;
  max-width: calc(100vw - 24px);
  padding: 10px 16px;
  border-radius: 999px;
  background: rgba(20, 20, 23, 0.95);
  -webkit-backdrop-filter: blur(26px) saturate(180%);
  backdrop-filter: blur(26px) saturate(180%);
  border: 1px solid rgba(255, 255, 255, 0.09);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.42);
  color: #f5f5f7;
}

.island-dot {
  flex: none;
  width: 13px;
  height: 13px;
  padding: 0;
  border: none;
  border-radius: 999px;
  background: linear-gradient(135deg, #f97316, #fbbf24);
  cursor: pointer;
  animation: isla-pulso 3s ease-in-out infinite;
}

@keyframes isla-pulso {
  0%,
  100% {
    box-shadow: 0 0 6px rgba(249, 115, 22, 0.55);
  }
  50% {
    box-shadow: 0 0 16px rgba(249, 115, 22, 0.95);
  }
}

.island .brand {
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  color: #f5f5f7;
}

.island .brand svg {
  width: 22px;
  height: 24px;
  display: block;
}

.island .logo-text {
  font-size: 14px;
  color: #f5f5f7;
}

.island-menu-wrap {
  display: grid;
  grid-template-columns: 0fr;
  opacity: 0;
  pointer-events: none;
  transition:
    grid-template-columns 0.55s cubic-bezier(0.32, 0.72, 0, 1),
    opacity 0.3s ease;
}

.island.is-abierto .island-menu-wrap {
  grid-template-columns: 1fr;
  opacity: 1;
  pointer-events: auto;
}

.island-menu {
  overflow: hidden;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 2px;
}

.island-menu a {
  font-size: 13px;
  color: rgba(245, 245, 247, 0.82);
  text-decoration: none;
  padding: 7px 11px;
  border-radius: 999px;
  opacity: 0;
  transform: translateX(-10px);
  transition:
    opacity 0.35s ease,
    transform 0.5s cubic-bezier(0.32, 0.72, 0, 1),
    color 0.2s ease,
    background 0.2s ease;
}

.island.is-abierto .island-menu a {
  opacity: 1;
  transform: none;
}

.island.is-abierto .island-menu a:nth-child(1) {
  transition-delay: 0.04s;
}
.island.is-abierto .island-menu a:nth-child(2) {
  transition-delay: 0.09s;
}
.island.is-abierto .island-menu a:nth-child(3) {
  transition-delay: 0.14s;
}
.island.is-abierto .island-menu a:nth-child(4) {
  transition-delay: 0.19s;
}
.island.is-abierto .island-menu a:nth-child(5) {
  transition-delay: 0.24s;
}
.island.is-abierto .island-menu a:nth-child(6) {
  transition-delay: 0.29s;
}
.island.is-abierto .island-menu a:nth-child(7) {
  transition-delay: 0.34s;
}

.island-menu a:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.1);
}

.island-menu a.is-activo {
  color: #fbbf24;
}

.island-menu a.is-cta {
  background: var(--accent);
  color: #fff;
  font-weight: 500;
}

.island-menu a.is-cta:hover {
  background: #fb923c;
}

@media (hover: hover) {
  .island:hover .island-menu-wrap {
    grid-template-columns: 1fr;
    opacity: 1;
    pointer-events: auto;
  }
  .island:hover .island-menu a {
    opacity: 1;
    transform: none;
  }
}

/* ---------- Hero ---------- */

.hero {
  padding: 160px 24px 0;
  text-align: center;
}

.chip {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  font-size: 13px;
  font-weight: 500;
  color: var(--ink-2);
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 980px;
  padding: 6px 14px;
  box-shadow: 0 1px 4px rgba(0, 0, 0, 0.04);
}

.chip::before {
  content: '';
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--grad);
}

.hero h1 {
  font-size: clamp(44px, 7vw, 82px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.03;
  margin: 20px auto 18px;
  max-width: 950px;
}

.grad {
  background: var(--grad);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero .tagline {
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.55;
  color: var(--ink-2);
  max-width: 660px;
  margin: 0 auto;
}

.ctas {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin-top: 30px;
}

/* ---------- Botones (píldoras estilo Apple) ---------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-radius: 980px;
  padding: 12px 24px;
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition:
    transform 0.2s ease,
    background 0.2s ease,
    box-shadow 0.2s ease,
    opacity 0.2s ease;
}

.btn.primario {
  background: var(--ink);
  color: #fff;
}

.btn.primario:hover {
  background: #000;
  transform: scale(1.03);
}

.btn:not(.primario) {
  background: #fff;
  color: var(--ink);
  border: 1px solid var(--line-strong);
}

.btn:not(.primario):hover {
  background: #fafafa;
  transform: scale(1.03);
}

/* ---------- Ventana con captura de pantalla ---------- */

.mock {
  max-width: 1040px;
  margin: 60px auto 0;
  border-radius: 20px;
  border: 1px solid var(--line-strong);
  background: #fff;
  box-shadow: 0 40px 100px rgba(0, 0, 0, 0.16);
  overflow: hidden;
  text-align: left;
}

.mock > img {
  display: block;
  width: 100%;
  height: auto;
}

.mock-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 11px 16px;
  border-bottom: 1px solid var(--line);
  background: #fafafa;
}

.dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
}
.dot.r {
  background: #ff5f57;
}
.dot.y {
  background: #febc2e;
}
.dot.g {
  background: #28c840;
}

.mock-url {
  margin-left: 10px;
  font-size: 12.5px;
  color: var(--ink-3);
  background: #f0f0f2;
  border: 1px solid var(--line);
  border-radius: 7px;
  padding: 3px 12px;
  font-family: var(--mono);
}

/* ---------- Galería de capturas ---------- */

.galeria {
  display: grid;
  gap: 22px;
  max-width: 1000px;
  margin: 44px auto 0;
}

.galeria.dos {
  grid-template-columns: 1fr 1fr;
}

.shot {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: #fff;
  text-align: left;
}

.shot img {
  display: block;
  width: 100%;
  height: auto;
  border-bottom: 1px solid var(--line);
}

.shot figcaption {
  padding: 14px 18px 16px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink-2);
}

.shot figcaption b {
  color: var(--ink);
  font-weight: 600;
}

.shot.ancha {
  grid-column: 1 / -1;
}

.dark .shot {
  background: var(--dark-card);
  border-color: rgba(255, 255, 255, 0.1);
}
.dark .shot img {
  border-bottom-color: rgba(255, 255, 255, 0.1);
}
.dark .shot figcaption {
  color: #a1a1a6;
}
.dark .shot figcaption b {
  color: #f5f5f7;
}

@media (max-width: 760px) {
  .galeria.dos {
    grid-template-columns: 1fr;
  }
}

/* ---------- Secciones ---------- */

section {
  padding: 110px 24px;
}
section#empezar,
section#guia {
  background: #fff;
}

.kicker {
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0;
}

section h2 {
  font-size: clamp(30px, 4.5vw, 46px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  margin: 10px 0 0;
}

.sub {
  font-size: 19px;
  color: var(--ink-2);
  margin: 14px auto 44px;
  max-width: 620px;
}

.centrado {
  text-align: center;
}
.centrado .sub {
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Grid de tarjetas ---------- */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 30px 28px;
  transition:
    transform 0.35s cubic-bezier(0.2, 0.8, 0.2, 1),
    box-shadow 0.35s ease;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.09);
}

.icono {
  flex: none;
  width: 44px;
  height: 44px;
  border-radius: 13px;
  background: var(--grad);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 8px 20px rgba(249, 115, 22, 0.3);
}

.card h3 {
  display: flex;
  align-items: center;
  gap: 14px;
  font-size: 18px;
  font-weight: 650;
  letter-spacing: -0.014em;
  margin: 0 0 8px;
}

.card p {
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink-2);
  margin: 0;
}

.card code,
.card a {
  color: var(--accent);
}

/* ---------- Sección oscura (estilo productos Apple) ---------- */

.dark {
  background: #000;
  color: #f5f5f7;
}

.dark .kicker {
  color: var(--accent-2);
}

.dark h2 {
  color: #f5f5f7;
}

.dark .sub {
  color: #a1a1a6;
}

.dark .card {
  background: var(--dark-card);
  border-color: rgba(255, 255, 255, 0.1);
}

.dark .card:hover {
  box-shadow: 0 24px 50px rgba(0, 0, 0, 0.7);
}

.dark .card p {
  color: #a1a1a6;
}

.enlace-after {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  margin-top: 16px;
  font-size: 15px;
  font-weight: 500;
  color: #f5f5f7;
  text-decoration: none;
}

.enlace-after:hover {
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* Ajuste: bloques de código/tablas se alinean a la izquierda
   aunque la sección esté centrada */
section.centrado pre,
section.centrado .tabla-wrap {
  text-align: left;
  margin-left: auto;
  margin-right: auto;
}

/* ---------- Pasos numerados ---------- */

.pasos {
  counter-reset: paso;
  list-style: none;
  margin: 0;
  padding: 0;
}

.pasos li {
  counter-increment: paso;
  position: relative;
  padding: 0 0 18px 56px;
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink-2);
}

.pasos li::before {
  content: counter(paso, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: #fff;
  border: 1px solid var(--line-strong);
  color: var(--accent);
  font-weight: 650;
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.pasos b {
  color: var(--ink);
}

/* ---------- Código, tablas ---------- */

pre {
  margin: 22px 0;
  padding: 18px 22px;
  background: #f5f5f7;
  border: 1px solid var(--line);
  border-radius: 14px;
  font-family: var(--mono);
  font-size: 14px;
  line-height: 1.65;
  overflow: auto;
  color: var(--ink);
}

code {
  font-family: var(--mono);
  font-size: 0.875em;
  background: rgba(0, 0, 0, 0.055);
  border-radius: 6px;
  padding: 2px 6px;
}

.cm {
  color: var(--ink-3);
}

.tabla-wrap {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 16px;
  overflow: hidden;
  margin: 22px 0;
}

.tabla-wrap table {
  width: 100%;
  border-collapse: collapse;
  font-size: 14.5px;
}

.tabla-wrap th {
  text-align: left;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.07em;
  color: var(--ink-3);
  padding: 12px 18px;
  background: #fafafa;
  border-bottom: 1px solid var(--line);
}

.tabla-wrap td {
  padding: 13px 18px;
  border-top: 1px solid var(--line);
  color: var(--ink-2);
  line-height: 1.55;
  vertical-align: top;
}

.tabla-wrap td code {
  color: var(--ink);
}
.tabla-wrap tr:hover td {
  background: #fafafa;
}

/* ---------- Guía de usuario (layout con TOC) ---------- */

.layout-guia {
  display: flex;
  gap: 56px;
  max-width: 1080px;
  margin: 0 auto;
  padding: 104px 24px 120px;
}

.toc {
  flex: none;
  width: 232px;
  position: sticky;
  top: 88px;
  align-self: flex-start;
  max-height: calc(100vh - 120px);
  overflow: auto;
  padding-right: 8px;
}

.toc .titulo {
  font-size: 13px;
  font-weight: 650;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--ink-3);
  margin: 0 0 12px;
}

.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc li {
  margin: 1px 0;
}

.toc a {
  display: block;
  font-size: 13.5px;
  color: var(--ink-2);
  text-decoration: none;
  padding: 5px 10px;
  border-radius: 9px;
  line-height: 1.35;
  transition:
    color 0.15s ease,
    background 0.15s ease;
}

.toc a:hover {
  color: var(--ink);
  background: rgba(0, 0, 0, 0.045);
}

.toc li li a {
  padding-left: 24px;
  font-size: 12.5px;
  color: var(--ink-3);
}

.toc li li a:hover {
  color: var(--ink);
}

main.guia {
  flex: 1;
  min-width: 0;
}

.guia h1 {
  font-size: clamp(34px, 5vw, 52px);
  font-weight: 700;
  letter-spacing: -0.028em;
  line-height: 1.06;
  margin: 6px 0 16px;
}

.guia .intro {
  font-size: 17px;
  color: var(--ink-2);
  line-height: 1.6;
}

.guia h2 {
  font-size: clamp(26px, 3.4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.022em;
  margin: 72px 0 14px;
  padding-top: 72px;
  border-top: 1px solid var(--line);
}

.guia h2:first-of-type {
  margin-top: 56px;
}

.guia h3 {
  font-size: 22px;
  font-weight: 650;
  letter-spacing: -0.015em;
  margin: 44px 0 10px;
}

.guia h4 {
  font-size: 17px;
  font-weight: 650;
  margin: 36px 0 8px;
}

.guia p {
  font-size: 15.5px;
  line-height: 1.7;
  color: #3a3a3c;
  margin: 10px 0;
}

.guia b {
  color: var(--ink);
}

.guia ul,
.guia ol {
  color: #3a3a3c;
  font-size: 15.5px;
  line-height: 1.7;
}

.guia li {
  margin: 5px 0;
}

.guia a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-color: rgba(249, 115, 22, 0.45);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.15s ease;
}

.guia a:hover {
  text-decoration-color: var(--accent);
}

.guia pre {
  margin: 18px 0;
  background: #f5f5f7;
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 20px;
  font-size: 13px;
}

.guia .nota {
  background: #fff7ed;
  border: 1px solid #ffedd5;
  border-radius: 14px;
  padding: 15px 20px;
  margin: 22px 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: #7c2d12;
}

.guia .nota code {
  background: rgba(249, 115, 22, 0.12);
  color: #7c2d12;
}

.guia .pasos li {
  color: #3a3a3c;
  font-size: 15.5px;
}

.guia .tabla-wrap {
  margin: 18px 0;
}

.guia .tabla-wrap:first-of-type {
  margin-top: 0;
}

/* ---------- Plataformas (app local) ---------- */

.plataformas {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  max-width: 820px;
  margin: 0 auto;
}

.plataforma {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 22px;
  padding: 26px 18px 22px;
  text-align: center;
}

.plataforma svg {
  width: 30px;
  height: 30px;
  color: var(--ink);
}

.plataforma b {
  display: block;
  font-size: 14.5px;
  margin-top: 10px;
}

.plataforma small {
  display: block;
  font-size: 12px;
  color: var(--ink-3);
  margin-top: 2px;
}

.plataforma .btn {
  margin-top: 14px;
  padding: 8px 18px;
  font-size: 13px;
}

.plataforma.es-tuyo {
  border-color: var(--accent);
  box-shadow: 0 12px 34px rgba(249, 115, 22, 0.16);
}

.plataforma.es-tuyo .btn {
  background: var(--ink);
  color: #fff;
  border-color: transparent;
}

.dl-nota {
  font-size: 13px;
  color: var(--ink-3);
  margin: 22px auto 0;
  max-width: 620px;
}

/* ---------- Capturas dentro de la guía ---------- */

.guia figure.captura {
  margin: 22px 0;
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  background: #fff;
}

.guia figure.captura img {
  display: block;
  width: 100%;
  height: auto;
}

.guia figure.captura figcaption {
  padding: 11px 16px 13px;
  font-size: 13px;
  color: var(--ink-3);
  border-top: 1px solid var(--line);
}

/* ---------- Precio ---------- */

.precios {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 18px;
  max-width: 720px;
  margin: 0 auto;
  text-align: left;
}

.precio-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 26px;
  padding: 30px 28px;
}

.precio-card.es-destacada {
  background: #000;
  color: #f5f5f7;
  border-color: #000;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.28);
}

.precio-nombre {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin: 0;
}

.precio-card.es-destacada .precio-nombre {
  color: var(--accent-2);
}

.precio-valor {
  font-size: clamp(40px, 5.5vw, 56px);
  font-weight: 700;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin: 10px 0 2px;
}

.precio-valor small {
  font-size: 17px;
  font-weight: 500;
  color: var(--ink-2);
  letter-spacing: 0;
}

.precio-card.es-destacada .precio-valor small {
  color: #a1a1a6;
}

.precio-card ul {
  list-style: none;
  margin: 16px 0 20px;
  padding: 0;
}

.precio-card li {
  position: relative;
  padding: 5px 0 5px 24px;
  font-size: 14px;
  color: var(--ink-2);
}

.precio-card.es-destacada li {
  color: #d2d2d7;
}

.precio-card li::before {
  content: '\2713';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-weight: 700;
}

.precio-card.es-destacada li::before {
  color: var(--accent-2);
}

.precio-nota {
  font-size: 12.5px;
  color: var(--ink-3);
  margin: 14px 0 0;
}

/* ---------- Footer ---------- */

footer {
  border-top: 1px solid var(--line);
  padding: 52px 24px 64px;
  text-align: center;
  font-size: 13px;
  color: var(--ink-3);
}

footer p {
  margin: 0;
}

footer .footer-credit {
  margin-top: 22px;
  font-size: 12px;
  color: var(--ink-3);
  opacity: 0.85;
}

footer .docs {
  display: flex;
  flex-wrap: wrap;
  gap: 22px;
  justify-content: center;
  margin-top: 16px;
}

footer .docs a {
  color: var(--ink-2);
  text-decoration: none;
  transition: color 0.2s ease;
}

footer .docs a:hover {
  color: var(--ink);
  text-decoration: underline;
  text-underline-offset: 4px;
}

/* ---------- Roadmap ---------- */

.ruta {
  list-style: none;
  margin: 34px auto 0;
  padding: 0;
  max-width: 680px;
  display: grid;
  gap: 12px;
  text-align: left;
}

.ruta li {
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 16px 18px;
  background: #fff;
  display: grid;
  gap: 5px;
  transition:
    border-color 0.2s ease,
    transform 0.2s ease;
}

.ruta li:hover {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.ruta b {
  font-size: 15px;
  color: var(--ink);
}

.ruta span {
  font-size: 13.5px;
  color: var(--ink-2);
  line-height: 1.55;
}

.tag-hecho {
  display: inline-block;
  margin-left: 8px;
  padding: 2px 9px;
  border-radius: 980px;
  background: var(--grad);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  vertical-align: middle;
}

/* ---------- Redes sociales ---------- */

.social-g {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 28px;
}

.social-g .btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.social-g svg {
  width: 16px;
  height: 16px;
}

footer .social {
  display: flex;
  gap: 14px;
  justify-content: center;
  margin-top: 18px;
}

footer .social a {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  border-radius: 999px;
  border: 1px solid var(--line);
  color: var(--ink-2);
  transition:
    color 0.2s ease,
    background 0.2s ease,
    border-color 0.2s ease;
}

footer .social a:hover {
  color: #fff;
  background: var(--ink);
  border-color: var(--ink);
}

footer .social svg {
  width: 16px;
  height: 16px;
}

/* ---------- Animación de aparición ---------- */

.reveal {
  opacity: 0;
  transform: translateY(26px);
  transition:
    opacity 0.9s cubic-bezier(0.16, 1, 0.3, 1),
    transform 0.9s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

/* ---------- Responsive ---------- */

@media (max-width: 900px) {
  .grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .layout-guia {
    flex-direction: column;
    gap: 32px;
  }
  .toc {
    position: static;
    width: 100%;
    max-height: none;
  }
}

@media (max-width: 640px) {
  .hero {
    padding-top: 130px;
  }
  section {
    padding: 72px 20px;
  }
  .grid {
    grid-template-columns: 1fr;
  }
  .plataformas {
    grid-template-columns: repeat(2, 1fr);
  }
  .precios {
    grid-template-columns: 1fr;
  }
  .layout-guia {
    padding-top: 32px;
  }
  .guia h2 {
    margin-top: 52px;
    padding-top: 52px;
  }
}

/* ---------- Preguntas frecuentes (FAQ / AEO) ---------- */

.faq {
  max-width: 760px;
  margin: 28px auto 0;
  text-align: left;
}

.faq details {
  background: var(--bg-alt);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 20px;
  margin-bottom: 12px;
  transition: border-color 0.2s ease;
}

.faq details[open] {
  border-color: var(--line-strong);
}

.faq summary {
  cursor: pointer;
  font-weight: 500;
  font-size: 17px;
  list-style: none;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
}

.faq summary::-webkit-details-marker {
  display: none;
}

.faq summary::after {
  content: '+';
  font-size: 20px;
  line-height: 1;
  color: var(--accent);
  transition: transform 0.2s ease;
}

.faq details[open] summary::after {
  transform: rotate(45deg);
}

.faq details p {
  margin: 12px 0 0;
  color: var(--ink-2);
}

@media (prefers-color-scheme: dark) {
  .faq details {
    background: var(--dark-card);
    border-color: rgba(255, 255, 255, 0.1);
  }
  .faq details[open] {
    border-color: rgba(255, 255, 255, 0.2);
  }
  .faq details p {
    color: #a1a1a6;
  }
}