@import url("tokens.css?v=2");

*, *::before, *::after { box-sizing: border-box; }

html {
  font-size: calc(100% * var(--scale));
  scroll-behavior: smooth;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }

/* ---------- Íconos de línea (sprite <use>) ---------- */
.icon {
  display: inline-block;
  width: 1.1em;
  height: 1.1em;
  vertical-align: -0.18em;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  flex: none;
}

a { color: var(--primary-dark); }
a:not(.btn) {
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

h1, h2, h3 {
  font-family: var(--font-display);
  line-height: 1.15;
  margin: 0 0 var(--space-3);
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; }
h2 { font-size: clamp(1.7rem, 3.4vw, 2.4rem); font-weight: 800; }
h3 { font-size: clamp(1.15rem, 2vw, 1.4rem); font-weight: 700; }

p { margin: 0 0 var(--space-3); color: var(--muted); }

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--space-4);
}

section { padding-block: var(--space-8); }

/* ---------- Focus visibility: never remove, always strengthen ---------- */
:focus { outline: none; }
:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ---------- Skip link (colores fijos: siempre deben contrastar entre sí) --- */
.skip-link {
  position: absolute;
  left: var(--space-3);
  top: -100px;
  background: #0077cc;
  color: #ffffff;
  padding: var(--space-2) var(--space-4);
  border-radius: var(--radius-sm);
  font-weight: 700;
  z-index: 200;
  transition: top 0.2s var(--ease);
}
.skip-link:focus {
  top: var(--space-3);
}
body.high-contrast .skip-link {
  background: #00ff9d;
  color: #000000;
}

/* ---------- Accessibility toolbar ---------- */
.a11y-bar {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  font-size: 0.85rem;
}
.a11y-bar .container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  padding-block: var(--space-2);
}
.a11y-bar span.a11y-label {
  color: var(--muted);
  margin-right: auto;
}
.a11y-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 14px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  min-height: 44px;
}
.a11y-btn:hover { border-color: var(--primary); }
.a11y-btn[aria-pressed="true"] {
  background: var(--primary);
  color: #05070a;
  border-color: var(--primary);
}

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 0 0 rgba(0, 0, 0, 0);
  transition: box-shadow 0.25s var(--ease);
}
.site-header.is-scrolled {
  box-shadow: 0 8px 24px -16px rgba(0, 0, 0, 0.25);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-block: var(--space-3);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.2rem;
  color: var(--text);
  text-decoration: none;
}
.brand svg { width: 34px; height: 34px; }

.main-nav ul {
  display: flex;
  gap: var(--space-5);
  list-style: none;
  margin: 0;
  padding: 0;
}
.main-nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
}
.main-nav a:hover { color: var(--primary-dark); }

.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  min-width: 44px;
  min-height: 44px;
  font-size: 1.3rem;
  cursor: pointer;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 16px 28px;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-weight: 700;
  font-size: 1rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  min-height: 44px;
  transition: transform 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.btn-primary {
  background: var(--primary);
  color: #05070a;
}
.btn-primary:hover {
  background: var(--cyan);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px -8px rgba(0, 163, 255, 0.55);
}
.btn-primary:active { transform: translateY(0); box-shadow: none; }
.btn-secondary {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn-secondary:hover {
  border-color: var(--primary-dark);
  color: var(--primary-dark);
  transform: translateY(-2px);
}
.btn-secondary:active { transform: translateY(0); }
.btn-secondary[aria-pressed="true"] {
  border-color: var(--accent-ink);
  color: var(--accent-ink);
}
.btn-lg { padding: 20px 36px; font-size: 1.1rem; }

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-5);
}

.badge {
  display: inline-flex;
  align-items: center;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  margin-bottom: var(--space-4);
}

/* ---------- Section heading pattern ---------- */
.section-head {
  max-width: 62ch;
  margin-bottom: var(--space-6);
}
.eyebrow {
  display: inline-block;
  color: var(--accent-ink);
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-2);
}

/* ---------- Phone mockup (reusado en hero y escenarios) ---------- */
.phone-frame {
  position: relative;
  width: 220px;
  aspect-ratio: 9 / 19.5;
  border-radius: 36px;
  background: #0d1117;
  border: 6px solid #1d1d1f;
  box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.35), 0 0 0 1px rgba(0, 0, 0, 0.06);
  padding: 22px 16px;
  color: #f4f6f8;
  display: flex;
  flex-direction: column;
  gap: 8px;
  overflow: hidden;
}
.phone-frame::before {
  content: "";
  position: absolute;
  top: 10px;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 14px;
  border-radius: 10px;
  background: #000;
}
.phone-app-name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--cyan);
  margin: 22px 0 0;
}
.phone-module { font-size: 0.85rem; color: #fff; margin: 0; opacity: 0.92; }
.phone-line { font-size: 0.8rem; color: #a7b0bc; margin: 0; }
.phone-hint {
  font-size: 0.65rem;
  color: #6e6e73;
  margin: auto 0 0;
  border-top: 1px solid #1f2733;
  padding-top: 8px;
}

/* Marco con captura de pantalla real de la app (hero) en vez de texto simulado.
   object-fit:contain para no recortar ningún renglón (la app siempre queda
   sobre negro, así que las franjas de letterbox son invisibles). */
.phone-frame.phone-shot { padding: 0; background: #000; }
.phone-frame.phone-shot img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

/* ---------- Hero (composición centrada, como apple.com/es/siri) ---------- */
.hero {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-7) var(--space-8);
}
.hero-glow {
  position: absolute;
  inset: -10% -10% auto -10%;
  height: 700px;
  background:
    radial-gradient(circle at 50% 0%, rgba(0, 163, 255, 0.14), transparent 55%),
    radial-gradient(circle at 20% 30%, rgba(255, 46, 146, 0.1), transparent 50%),
    radial-gradient(circle at 80% 30%, rgba(0, 240, 255, 0.1), transparent 55%);
  pointer-events: none;
  z-index: 0;
}
.hero-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.hero-visual-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}
.hero-visual-row .phone-frame {
  width: 168px;
  transition: filter 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.hero-visual-row .phone-frame:hover {
  filter: brightness(1.06);
  box-shadow: 0 40px 70px -20px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(0, 0, 0, 0.06);
}
@keyframes phone-enter-left {
  from { opacity: 0; transform: rotate(-24deg) translate(-46px, 34px) scale(0.82); }
  to { opacity: 1; transform: rotate(-7deg) translateY(10px) scale(1); }
}
@keyframes phone-enter-right {
  from { opacity: 0; transform: rotate(24deg) translate(46px, 34px) scale(0.82); }
  to { opacity: 1; transform: rotate(7deg) translateY(10px) scale(1); }
}
.hero-visual-row .phone-side.phone-left {
  animation: phone-enter-left 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.1s both;
}
.hero-visual-row .phone-side.phone-right {
  animation: phone-enter-right 0.9s cubic-bezier(0.16, 1, 0.3, 1) 0.28s both;
}

/* El wordmark clona el efecto real de apple.com/es/siri: gradiente 121deg,
   background-size 300% para poder animar la posición, mismo timing/easing. */
.wordmark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(4.5rem, 13vw, 8.5rem);
  line-height: 0.88;
  letter-spacing: -0.03em;
  margin: 0;
  background: linear-gradient(121deg, var(--accent) 24%, var(--primary) 55%, var(--cyan) 80%);
  background-size: 300% 100%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation: wordmark-settle 2.6s cubic-bezier(0.33, 1, 0.68, 1) forwards;
}
@keyframes wordmark-settle {
  to { background-position: 38% 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .wordmark { animation: none; background-position: 38% 100%; }
}

.gesture-caption {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 10px 18px;
  border-radius: 999px;
  margin: 0 0 var(--space-6);
}
.gesture-caption .icon {
  color: var(--primary-dark);
}

.hero-copy { max-width: 640px; }
.hero-copy .badge { justify-content: center; }
.hero h1 {
  font-size: clamp(2.4rem, 5.2vw, 3.75rem);
  font-weight: 600;
  letter-spacing: -0.02em;
}
.hero h1 span { color: var(--primary-dark); }
.hero .lede {
  font-size: 1.25rem;
  max-width: 46ch;
  margin-inline: auto;
}
.hero-line.delay-1 { transition-delay: 0.15s; }
.hero .cta-row { justify-content: center; }

/* ---------- Historia ---------- */
.historia {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.historia blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.9rem);
  font-weight: 700;
  color: var(--text);
  margin: 0 0 var(--space-4);
  max-width: 42ch;
  border-left: 4px solid var(--primary-dark);
  padding-left: var(--space-4);
}
.historia cite {
  display: block;
  font-style: normal;
  color: var(--muted);
  font-weight: 600;
}

/* ---------- Demo en video ---------- */
.demo-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-5);
}
.demo-card {
  margin: 0;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.demo-card video {
  width: 100%;
  aspect-ratio: 9 / 16;
  background: #000;
  display: block;
}
.demo-card figcaption { padding: var(--space-4); }
.demo-card figcaption h3 { margin-bottom: 4px; }
.demo-card figcaption p { margin: 0; }

/* ---------- Módulos (grid asimétrico) ---------- */
.modulos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-4);
}
.modulos-grid .card:nth-child(1) { grid-column: span 2; }
.modulos-grid .card:nth-child(2) { grid-column: span 2; }
.modulos-grid .card:nth-child(3) { grid-column: span 2; }
.modulos-grid .card:nth-child(4) { grid-column: span 2; }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-5);
}
.card .icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-sm);
  background: var(--surface-2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: var(--space-3);
}
.card h3 { margin-bottom: var(--space-2); }
.card p { margin-bottom: 0; }

/* ---------- Escenarios ---------------------------------------------------
   Estructura real de apple.com/es/siri: título gigante a todo el ancho arriba,
   con degradé propio por escenario + una franja de color detrás (gradient-bg),
   y debajo el copy + la cita de voz + el celular en sticky mientras se scrollea. */
.scenario {
  position: relative;
  overflow: hidden;
  padding-block: var(--space-8);
}
.scenario-wash {
  position: absolute;
  inset: 0 0 auto 0;
  height: 620px;
  z-index: 0;
  pointer-events: none;
}
.scenario-calle .scenario-wash {
  background: linear-gradient(180deg, rgba(0, 163, 255, 0) 0%, rgba(0, 163, 255, 0.3) 45%, rgba(0, 163, 255, 0) 100%);
}
.scenario-mensajes .scenario-wash {
  background: linear-gradient(180deg, rgba(255, 46, 146, 0) 0%, rgba(255, 46, 146, 0.26) 45%, rgba(255, 46, 146, 0) 100%);
}
.scenario-compras .scenario-wash {
  background: linear-gradient(180deg, rgba(0, 240, 255, 0) 0%, rgba(0, 200, 255, 0.28) 45%, rgba(0, 200, 255, 0) 100%);
}

.scenario-headline-wrap {
  position: relative;
  z-index: 1;
  padding-inline: var(--space-4);
  margin-bottom: var(--space-7);
}
.scenario-headline-wrap .container { padding: 0; }
.scenario-headline {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(3rem, 9.5vw, 7rem);
  line-height: 0.85;
  letter-spacing: -0.02em;
  margin: 0;
}
.scenario-calle .scenario-headline {
  background: linear-gradient(100deg, var(--primary-dark) 10%, var(--primary) 55%, var(--cyan) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.scenario-mensajes .scenario-headline {
  background: linear-gradient(100deg, var(--accent-ink) 10%, var(--accent) 55%, var(--primary) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.scenario-compras .scenario-headline {
  background: linear-gradient(100deg, var(--primary-dark) 10%, var(--cyan) 60%, var(--accent) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.scenario-body {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-7);
  align-items: start;
}
.scenario-visual {
  position: sticky;
  top: 110px;
  display: flex;
  justify-content: center;
}
.scenario-visual .phone-frame {
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease);
}
.scenario-visual .phone-frame:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 40px 70px -20px rgba(0, 0, 0, 0.4), 0 0 0 1px rgba(0, 0, 0, 0.06);
}
.scenario--reverse .scenario-visual { order: 2; }
.scenario--reverse .scenario-copy-col { order: 1; }
.scenario-copy-col { padding-block: var(--space-4) var(--space-8); }
.scenario-copy {
  font-size: 1.35rem;
  font-weight: 500;
  color: var(--text);
  max-width: 40ch;
}
.scenario-quotes { margin: var(--space-5) 0 var(--space-3); }
.quotes-label {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
  margin: 0 0 var(--space-3);
}
.quotes-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.quotes-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  letter-spacing: -0.005em;
  line-height: 1.35;
  color: var(--text);
}
.quotes-list li .icon {
  color: var(--primary-dark);
  margin-top: 0.18em;
}

/* ---------- Gestos (tarjetas con ícono) ---------- */
.gestos-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-4);
}
.gesto-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-5);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}
.gesto-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 44px -22px rgba(0, 0, 0, 0.25);
  border-color: var(--primary-dark);
}
.gesto-icon {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: var(--surface-2);
  border: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-dark);
  margin-bottom: var(--space-3);
  transition: background 0.3s var(--ease), color 0.3s var(--ease);
}
.gesto-card:hover .gesto-icon {
  background: var(--primary-dark);
  color: #ffffff;
}
.icon-lg { width: 26px; height: 26px; stroke-width: 1.8; }
.icon-sm { width: 0.85em; height: 0.85em; }
.gesto-card h3 {
  font-size: 1.05rem;
  margin-bottom: 6px;
}
.gesto-card p {
  font-size: 0.92rem;
  margin: 0;
}

/* ---------- Comandos (acordeón nativo <details>, accesible sin JS) ------- */
.commands-list {
  display: grid;
  gap: var(--space-3);
}
.command-group {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: border-color 0.2s var(--ease), box-shadow 0.2s var(--ease);
}
.command-group:hover { border-color: var(--primary-dark); }
.command-group[open] { box-shadow: 0 12px 32px -16px rgba(0, 0, 0, 0.18); }
@keyframes command-content-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}
.command-group[open] ul {
  animation: command-content-in 0.3s var(--ease) both;
}
.command-group summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--text);
  min-height: 44px;
}
.command-group summary::-webkit-details-marker { display: none; }
.command-group summary::after {
  content: "+";
  font-size: 1.4rem;
  font-weight: 400;
  color: var(--muted);
  flex: none;
  transition: transform 0.2s var(--ease);
}
.command-group summary:hover { background: var(--surface-2); }
.command-group summary .soon {
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.8rem;
  color: var(--muted);
  margin-left: 4px;
}
.command-group[open] summary::after { transform: rotate(45deg); }
.command-group[open] summary { border-bottom: 1px solid var(--border); }
.command-group ul {
  list-style: none;
  margin: 0;
  padding: var(--space-3) var(--space-5) var(--space-5);
  display: grid;
  gap: 10px;
}
.command-group li {
  font-size: 0.98rem;
  color: var(--text);
  padding-left: 1.3em;
  position: relative;
}
.command-group li::before {
  content: "—";
  position: absolute;
  left: 0;
  color: var(--muted);
}
.command-group--emergencia { border-color: var(--accent-ink); }
.command-group--emergencia summary { color: var(--accent-ink); }

/* ---------- Privacidad (banda oscura full-bleed) ---------- */
.privacidad {
  background: var(--bg);
  color: var(--text);
  padding-block: calc(var(--space-8) * 1.25);
}
.privacidad-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.privacidad-item {
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
}
.privacidad-item .check {
  flex: none;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--success);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}
body.high-contrast .privacidad-item .check { color: #000000; }
.privacidad-item p { margin: 0; color: var(--text); }

/* ---------- Descarga ---------- */
.descarga {
  text-align: center;
}
.descarga .container { max-width: 760px; }
.descarga-steps {
  text-align: left;
  list-style: none;
  counter-reset: step;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}
.descarga-steps li {
  counter-increment: step;
  display: flex;
  gap: var(--space-3);
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: var(--space-3) var(--space-4);
}
.descarga-steps li::before {
  content: counter(step);
  flex: none;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary);
  color: #05070a;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
}
.descarga-fallback {
  margin-top: var(--space-4);
  font-size: 0.9rem;
}

/* ---------- Accesibilidad del sitio ---------- */
.a11y-detalle {
  background: var(--surface);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.a11y-detalle ul {
  padding-left: 1.2em;
  color: var(--muted);
}
.a11y-detalle li { margin-bottom: var(--space-2); }

/* ---------- Contacto ---------- */
.contacto .container {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: var(--space-6);
  align-items: center;
}
.contacto-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  text-align: center;
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--border);
  padding-block: var(--space-5);
  color: var(--muted);
  font-size: 0.9rem;
}
.site-footer .container {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-3);
}
.footer-social {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
  font-weight: 600;
  text-decoration: none;
}
.footer-social:hover { color: var(--primary-dark); }
.footer-social .icon { color: var(--primary-dark); }

/* ---------- Reveal on scroll (subtle, respects reduced motion) ----------
   --i (opcional, por elemento) escalona la entrada dentro de una lista/grupo:
   style="--i:2" espera 140ms más que el primer elemento del grupo. */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
  transition-delay: calc(var(--i, 0) * 70ms);
}
.reveal.in-view { opacity: 1; transform: translateY(0); }

/* Variante solo-opacidad, para fondos decorativos (washes, glows) */
.reveal-fade {
  opacity: 0;
  transition: opacity 1s var(--ease);
}
.reveal-fade.in-view { opacity: 1; }

@media (prefers-reduced-motion: reduce) {
  .reveal, .reveal-fade { opacity: 1; transform: none; }
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .contacto .container { grid-template-columns: 1fr; }
  .scenario-body { grid-template-columns: 1fr; }
  .scenario-visual { position: static; margin-bottom: var(--space-5); }
  .scenario--reverse .scenario-visual { order: 0; }
  .scenario--reverse .scenario-copy-col { order: 0; }
  .scenario-copy-col { padding-block: var(--space-4); }
  .gestos-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .main-nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--border);
    padding: var(--space-3) var(--space-4);
  }
  .main-nav.open { display: block; }
  .main-nav ul {
    flex-direction: column;
    gap: 0;
  }
  .main-nav li { border-top: 1px solid var(--border); }
  .main-nav li:first-child { border-top: none; }
  .main-nav a {
    display: block;
    padding: var(--space-3) 0;
  }
  .nav-toggle { display: inline-flex; align-items: center; justify-content: center; }
  .modulos-grid { grid-template-columns: 1fr; }
  .modulos-grid .card { grid-column: span 1 !important; }
  .demo-grid { grid-template-columns: 1fr; }
  .gestos-grid { grid-template-columns: 1fr; }
  .privacidad-grid { grid-template-columns: 1fr; }
  .a11y-bar .container { justify-content: center; }
  .a11y-bar span.a11y-label { margin-right: 0; width: 100%; text-align: center; }
  .hero-visual-row { gap: var(--space-3); }
  .hero-visual-row .phone-frame { width: 110px; }
  .scenario-headline { font-size: clamp(2.4rem, 12vw, 4rem); }
}

@media (max-width: 480px) {
  section { padding-block: var(--space-6); }
  .cta-row { flex-direction: column; align-items: stretch; }
  .hero-visual-row { gap: var(--space-2); }
  .hero-visual-row .phone-frame { width: 86px; }
  .hero-visual-row .phone-side.phone-left,
  .hero-visual-row .phone-side.phone-right { transform: none; }
  .hero-visual-row .phone-app-name { font-size: 0.7rem; }
  .hero-visual-row .phone-module,
  .hero-visual-row .phone-line { font-size: 0.6rem; }
}