/* Maratonia — hoja de estilos única para la portada y las páginas doc
   (privacy/support/terms). Paleta: azules de la app (MaratoniaPrimario
   #0080E0, MaratoniaProfundo #003090) sobre papel claro. */

/* Archivo variable auto-hospedada: sin cadena de peticiones a terceros.
   unicode-range hace que el navegador baje solo el subset que usa. */
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  src: url("/assets/fonts/archivo-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  src: url("/assets/fonts/archivo-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}
@font-face {
  font-family: "Archivo";
  font-style: normal;
  font-weight: 100 900;
  font-stretch: 62% 125%;
  font-display: swap;
  src: url("/assets/fonts/archivo-vietnamese.woff2") format("woff2");
  unicode-range: U+0102-0103, U+0110-0111, U+0128-0129, U+0168-0169, U+01A0-01A1, U+01AF-01B0, U+0300-0301, U+0303-0304, U+0308-0309, U+0323, U+0329, U+1EA0-1EF9, U+20AB;
}

:root {
  --tinta: #04173f;
  --tinta-2: #0a2154;
  --tinta-3: #123070;
  --papel: #f2f6fc;
  --blanco: #ffffff;
  --linea: #dbe4f0;
  --linea-oscura: rgba(255, 255, 255, 0.16);
  --gris: #4c5568;
  --gris-claro: #96a5c4;
  --volt: #30a0f0;
  --volt-hover: #55b4f8;
  --volt-tinta: #0066b8;
  --primario: #0080e0;
  --profundo: #003090;
  --radio: 22px;
  --fuente: "Archivo", "Helvetica Neue", Arial, sans-serif;
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  font-family: var(--fuente);
  background: var(--papel);
  color: var(--tinta);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection { background: var(--primario); color: var(--blanco); }

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

a { color: inherit; }

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 100;
  background: var(--primario);
  color: var(--blanco);
  padding: 12px 20px;
  border-radius: 0 0 12px 0;
  font-weight: 700;
  text-decoration: none;
}
.skip-link:focus { left: 0; }

/* ---------- Navegación ---------- */

.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: 28px;
  padding: 14px clamp(20px, 4vw, 44px);
  background: rgba(4, 23, 63, 0.85);
  -webkit-backdrop-filter: blur(14px);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  color: var(--papel);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: inherit;
}

.brand-mark {
  display: inline-block;
  width: 30px;
  height: 30px;
  border-radius: 9px;
  background: url("/assets/maratonia-icon-256.jpg") center / cover no-repeat var(--primario);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.18);
  flex-shrink: 0;
}

.site-nav .nav-links {
  display: flex;
  gap: clamp(14px, 2.5vw, 26px);
  margin-left: auto;
  overflow-x: auto;
  scrollbar-width: none;
  font-size: 15px;
  font-weight: 600;
}
.site-nav .nav-links::-webkit-scrollbar { display: none; }

.site-nav .nav-links a {
  color: var(--gris-claro);
  text-decoration: none;
  white-space: nowrap;
  padding: 6px 2px;
  border-bottom: 2px solid transparent;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.site-nav .nav-links a:hover,
.site-nav .nav-links a:focus-visible {
  color: var(--blanco);
  border-color: var(--volt);
}

.nav-cta { flex-shrink: 0; }

.lang-toggle {
  flex-shrink: 0;
  padding: 8px 13px;
  border-radius: 999px;
  border: 1.5px solid rgba(255, 255, 255, 0.3);
  background: transparent;
  color: var(--papel);
  font-family: inherit;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.lang-toggle:hover, .lang-toggle:focus-visible {
  border-color: var(--volt);
  color: var(--volt);
}

@media (max-width: 560px) {
  .site-nav { gap: 14px; }
  .nav-cta { padding: 10px 16px; font-size: 14px; }
}

/* ---------- Botones y links ---------- */

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15.5px;
  text-decoration: none;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.button.volt { background: var(--volt); color: #032045; }
.button.volt:hover, .button.volt:focus-visible {
  background: var(--volt-hover);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(48, 160, 240, 0.4);
}
.button.dark { background: var(--tinta); color: var(--papel); }
.button.dark:hover, .button.dark:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 14px 34px rgba(11, 12, 16, 0.28);
}

.text-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 15.5px;
  color: var(--tinta);
  text-decoration: none;
  border-bottom: 2px solid var(--primario);
  padding-bottom: 2px;
  transition: gap 0.2s ease;
}
.text-link:hover, .text-link:focus-visible { gap: 14px; }
.text-link.light { color: var(--papel); }

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

.hero {
  position: relative;
  overflow: hidden;
  background:
    radial-gradient(56% 72% at 82% 12%, rgba(0, 128, 224, 0.3), transparent 62%),
    radial-gradient(48% 60% at 4% 96%, rgba(0, 48, 144, 0.42), transparent 65%),
    radial-gradient(30% 34% at 62% 6%, rgba(255, 130, 40, 0.1), transparent 70%),
    var(--tinta);
  color: var(--papel);
}

.hero::after {
  content: "42.195";
  position: absolute;
  right: -0.06em;
  bottom: -0.28em;
  font-size: clamp(120px, 20vw, 300px);
  font-weight: 900;
  font-stretch: 120%;
  letter-spacing: -0.03em;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255, 255, 255, 0.07);
  pointer-events: none;
  user-select: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 1160px;
  margin: 0 auto;
  padding: clamp(64px, 9vw, 120px) 24px clamp(84px, 10vw, 140px);
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: clamp(36px, 6vw, 80px);
  align-items: center;
}

.eyebrow {
  margin: 0 0 18px;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--volt);
}

.hero h1 {
  margin: 0 0 22px;
  font-size: clamp(2.7rem, 6.2vw, 4.7rem);
  font-weight: 900;
  font-stretch: 112%;
  line-height: 0.99;
  letter-spacing: -0.025em;
}
.hero h1 em {
  display: block;
  font-style: normal;
  color: var(--volt);
}

.hero-copy {
  margin: 0 0 30px;
  max-width: 480px;
  font-size: clamp(1rem, 1.6vw, 1.15rem);
  color: var(--gris-claro);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 24px;
  margin-bottom: 30px;
}

.hero-note {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 14px;
  color: var(--gris-claro);
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--volt);
  flex-shrink: 0;
  animation: pulso 2.2s ease-in-out infinite;
}

@keyframes pulso {
  0%, 100% { box-shadow: 0 0 0 0 rgba(48, 160, 240, 0.6); }
  55% { box-shadow: 0 0 0 9px rgba(48, 160, 240, 0); }
}

/* ---------- Mockup del Apple Watch ---------- */

.hero-visual { position: relative; }

.watch {
  position: relative;
  width: min(300px, 78vw);
  margin: 0 auto;
  animation: flotar 7s ease-in-out infinite;
}

@keyframes flotar {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

.watch-band {
  width: 42%;
  height: 84px;
  margin: 0 auto;
  background: linear-gradient(180deg, #23262f, #171a21);
  border: 1px solid rgba(255, 255, 255, 0.09);
}
.band-top { border-radius: 22px 22px 0 0; border-bottom: none; margin-bottom: -18px; }
.band-bottom { border-radius: 0 0 22px 22px; border-top: none; margin-top: -18px; }

.watch-case {
  position: relative;
  z-index: 1;
  background: linear-gradient(145deg, #2c303b, #0e1015);
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 84px;
  padding: 13px;
  box-shadow:
    0 44px 90px rgba(0, 0, 0, 0.55),
    inset 0 1px 0 rgba(255, 255, 255, 0.14);
}

.watch-crown {
  position: absolute;
  right: -7px;
  top: 88px;
  width: 11px;
  height: 46px;
  border-radius: 6px;
  background: repeating-linear-gradient(180deg, #3a3f4b 0 3px, #23262f 3px 6px);
  border: 1px solid rgba(255, 255, 255, 0.12);
}
.watch-side {
  position: absolute;
  right: -5px;
  top: 148px;
  width: 7px;
  height: 62px;
  border-radius: 5px;
  background: #23262f;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.watch-screen {
  background: #04050a;
  border-radius: 72px;
  padding: 30px 24px 26px;
  min-height: 348px;
  display: flex;
  flex-direction: column;
  gap: 9px;
  border: 1px solid #000;
}

.ws-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 10.5px;
  letter-spacing: 0.14em;
}
.ws-brand { color: var(--gris-claro); font-weight: 700; }
.ws-live {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  color: var(--volt);
  font-weight: 800;
}
.ws-live b { font-weight: 800; }
.ws-live i {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--volt);
  animation: pulso 1.6s ease-in-out infinite;
}

.ws-block {
  margin: 6px 0 0;
  font-size: 11.5px;
  font-weight: 800;
  letter-spacing: 0.12em;
  color: var(--blanco);
}
.ws-block-total { color: var(--gris); }

.ws-pace {
  margin: 0;
  font-size: 54px;
  font-weight: 900;
  font-stretch: 108%;
  letter-spacing: -0.02em;
  line-height: 1;
  color: var(--volt);
  font-variant-numeric: tabular-nums;
}
.ws-pace small {
  font-size: 15px;
  font-weight: 600;
  color: var(--gris-claro);
  letter-spacing: 0;
}

.ws-target { margin: 0; font-size: 11.5px; color: var(--gris); }

.ws-bar {
  height: 6px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  overflow: hidden;
  margin: 4px 0;
}
.ws-bar span {
  display: block;
  height: 100%;
  border-radius: 999px;
  background: var(--volt);
  animation: progreso 5s ease-in-out infinite alternate;
}

@keyframes progreso {
  from { width: 54%; }
  to { width: 68%; }
}

.ws-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
  margin-top: 2px;
}
.ws-stats span {
  display: block;
  font-size: 9.5px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gris);
}
.ws-stats strong {
  font-size: 14.5px;
  color: var(--blanco);
  font-variant-numeric: tabular-nums;
}

.ws-msg {
  margin: auto 0 0;
  padding: 10px 13px;
  border-radius: 14px;
  background: rgba(48, 160, 240, 0.14);
  border: 1px solid rgba(48, 160, 240, 0.4);
  color: #bfe0fa;
  font-size: 12.5px;
  line-height: 1.4;
}

.hero-chips {
  list-style: none;
  margin: 0;
  padding: 0;
}
.hero-chips li {
  position: absolute;
  padding: 9px 15px;
  border-radius: 999px;
  background: rgba(20, 22, 28, 0.88);
  border: 1px solid rgba(255, 255, 255, 0.16);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  font-size: 12.5px;
  font-weight: 700;
  color: var(--papel);
  white-space: nowrap;
  animation: flotar 6s ease-in-out infinite;
}
.hero-chips li:nth-child(1) { top: 6%; left: -4%; animation-delay: 0.6s; }
.hero-chips li:nth-child(2) { top: 42%; right: -6%; animation-delay: 1.4s; }
.hero-chips li:nth-child(3) { bottom: 4%; left: 2%; animation-delay: 2.1s; }

@media (max-width: 900px) {
  .hero-inner { grid-template-columns: 1fr; }
  .hero-visual { margin-top: 12px; }
  .hero-chips {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 26px;
  }
  .hero-chips li { position: static; animation: none; }
}

/* ---------- Marquee ---------- */

.marquee {
  background: var(--primario);
  color: var(--blanco);
  overflow: hidden;
  padding: 13px 0;
  border-block: 1px solid var(--profundo);
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: cinta 26s linear infinite;
}
.marquee-group {
  display: flex;
  align-items: center;
  gap: 26px;
  padding-right: 26px;
  font-size: 13.5px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  white-space: nowrap;
}
.marquee-group i { font-style: normal; opacity: 0.55; }

@keyframes cinta {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

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

.section {
  max-width: 1160px;
  margin: 0 auto;
  padding: clamp(72px, 9vw, 116px) 24px;
}

.section-heading { max-width: 720px; margin-bottom: clamp(36px, 5vw, 56px); }

.section-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 12.5px;
  font-weight: 800;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--gris);
}
.section-kicker::before {
  content: "";
  width: 11px;
  height: 11px;
  border-radius: 3px;
  background: var(--primario);
  flex-shrink: 0;
}
.section-kicker.on-dark,
.light-heading .section-kicker { color: var(--gris-claro); }

.section h2 {
  margin: 0 0 18px;
  font-size: clamp(1.9rem, 4vw, 2.9rem);
  font-weight: 900;
  font-stretch: 108%;
  letter-spacing: -0.02em;
  line-height: 1.06;
}

.section-lead {
  margin: 0 0 22px;
  font-size: clamp(1rem, 1.5vw, 1.12rem);
  color: var(--gris);
}

.light-heading h2 { color: var(--papel); }

/* ---------- Cards de funciones ---------- */

.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
@media (max-width: 900px) { .card-grid { grid-template-columns: 1fr; } }

.feature-card {
  position: relative;
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: 28px 26px 30px;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.feature-card:hover {
  transform: translateY(-6px);
  border-color: var(--tinta);
  box-shadow: 0 26px 52px rgba(11, 12, 16, 0.1);
}

.card-num {
  position: absolute;
  top: 20px;
  right: 22px;
  font-size: 42px;
  font-weight: 900;
  font-stretch: 115%;
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1.4px #c3d4e8;
}

.card-tag {
  display: inline-block;
  padding: 6px 12px;
  border-radius: 999px;
  background: var(--papel);
  border: 1px solid var(--linea);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--gris);
  margin-bottom: 40px;
}

.feature-card h3 {
  margin: 0 0 10px;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.feature-card p { margin: 0; font-size: 15.5px; color: var(--gris); }

/* ---------- Cómo funciona (banda oscura) ---------- */

.dark-band {
  background:
    radial-gradient(46% 60% at 92% 8%, rgba(0, 128, 224, 0.24), transparent 60%),
    var(--tinta);
  color: var(--papel);
}

.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(20px, 3vw, 36px);
}
@media (max-width: 960px) { .process-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .process-grid { grid-template-columns: 1fr; } }

.process-step {
  border-top: 1px solid var(--linea-oscura);
  padding-top: 20px;
}
.process-step > span {
  display: block;
  font-size: 30px;
  font-weight: 900;
  font-stretch: 115%;
  color: var(--volt);
  margin-bottom: 14px;
}
.process-step h3 {
  margin: 0 0 8px;
  font-size: 18.5px;
  font-weight: 800;
  color: var(--blanco);
}
.process-step p { margin: 0; font-size: 15px; color: var(--gris-claro); }

/* ---------- Planes ---------- */

.plan-list {
  border-top: 1px solid var(--linea);
}

.plan-line {
  display: grid;
  grid-template-columns: 118px 1fr auto;
  align-items: center;
  gap: clamp(14px, 3vw, 28px);
  padding: 24px clamp(12px, 2vw, 22px);
  border-bottom: 1px solid var(--linea);
  border-radius: 14px;
  text-decoration: none;
  color: inherit;
  transition: background 0.2s ease, color 0.2s ease, transform 0.2s ease;
}

.plan-line:hover, .plan-line:focus-visible {
  background: var(--tinta);
  color: var(--papel);
  transform: translateX(4px);
}

.plan-distance {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 900;
  font-stretch: 118%;
  letter-spacing: -0.02em;
  line-height: 1;
}
.plan-line:hover .plan-distance, .plan-line:focus-visible .plan-distance { color: var(--volt); }

.plan-text { display: flex; flex-direction: column; gap: 3px; min-width: 0; }
.plan-name { font-size: 18px; font-weight: 800; letter-spacing: -0.01em; }
.plan-detail { font-size: 14.5px; color: var(--gris); }
.plan-line:hover .plan-detail, .plan-line:focus-visible .plan-detail { color: var(--gris-claro); }

.plan-weeks {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1.5px solid currentColor;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 800;
  white-space: nowrap;
}
.plan-weeks b { font-weight: 800; transition: transform 0.2s ease; }
.plan-line:hover .plan-weeks b { transform: translateX(3px); }

@media (max-width: 640px) {
  .plan-line { grid-template-columns: 64px 1fr; }
  .plan-weeks { grid-column: 2; justify-self: start; }
}

.plan-foot {
  margin: 26px 0 0;
  font-size: 14.5px;
  color: var(--gris);
}

/* ---------- Banda de privacidad ---------- */

.trust-wrap { padding-top: 0; }

.trust-band {
  background:
    radial-gradient(52% 70% at 88% 100%, rgba(0, 128, 224, 0.26), transparent 62%),
    var(--tinta);
  color: var(--papel);
  border-radius: 32px;
  padding: clamp(36px, 6vw, 64px);
  display: grid;
  grid-template-columns: 1.4fr 0.6fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: center;
}
@media (max-width: 820px) { .trust-band { grid-template-columns: 1fr; } }

.trust-copy h2 { color: var(--blanco); }
.trust-copy p { color: var(--gris-claro); font-size: 15.5px; margin: 0 0 22px; }

.trust-mark {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 6px;
}
.trust-mark img {
  width: 124px;
  height: 124px;
  border-radius: 28px;
  box-shadow: 0 22px 48px rgba(0, 0, 0, 0.45);
  margin-bottom: 12px;
}
.trust-mark strong { font-size: 16px; color: var(--blanco); }
.trust-mark span { font-size: 13px; color: var(--gris-claro); }

/* ---------- Contacto ---------- */

.contact-section { text-align: center; }
.contact-content { max-width: 640px; margin: 0 auto; }
.contact-content .section-kicker { justify-content: center; }
.contact-content p { color: var(--gris); font-size: 16px; margin: 0 0 30px; }
.contact-content p a {
  font-weight: 800;
  color: var(--tinta);
  text-decoration-color: var(--primario);
  text-decoration-thickness: 2.5px;
  text-underline-offset: 3px;
}

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

.footer {
  background: var(--tinta);
  color: var(--gris-claro);
}
.footer-inner {
  max-width: 1160px;
  margin: 0 auto;
  padding: 38px 24px;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.footer .brand { color: var(--blanco); }
.footer-brand-block {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  font-size: 14px;
}
.footer .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  font-size: 14.5px;
  font-weight: 600;
}
.footer .nav-links a {
  color: var(--gris-claro);
  text-decoration: none;
  transition: color 0.2s ease;
}
.footer .nav-links a:hover, .footer .nav-links a:focus-visible { color: var(--volt); }

/* ---------- Páginas doc (privacy / support / terms) ---------- */

.doc-header {
  background:
    radial-gradient(50% 70% at 88% 10%, rgba(0, 128, 224, 0.26), transparent 62%),
    var(--tinta);
  color: var(--papel);
}
.doc-header .section { padding: clamp(56px, 8vw, 88px) 24px clamp(44px, 6vw, 64px); }
.doc-header h1 {
  margin: 0 0 16px;
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  font-weight: 900;
  font-stretch: 110%;
  letter-spacing: -0.02em;
  line-height: 1.04;
}
.doc-header p { margin: 0; max-width: 640px; color: var(--gris-claro); font-size: 16px; }

.doc-main {
  display: grid;
  grid-template-columns: 190px 1fr;
  gap: clamp(28px, 5vw, 56px);
  align-items: start;
  padding-top: clamp(40px, 6vw, 64px);
}
@media (max-width: 820px) { .doc-main { grid-template-columns: 1fr; } }

.doc-aside {
  position: sticky;
  top: 92px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}
@media (max-width: 820px) {
  .doc-aside { position: static; flex-direction: row; flex-wrap: wrap; gap: 10px; }
}
.doc-aside a {
  padding: 9px 14px;
  border-left: 3px solid var(--linea);
  font-size: 14.5px;
  font-weight: 700;
  color: var(--gris);
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.doc-aside a:hover, .doc-aside a:focus-visible {
  color: var(--tinta);
  border-color: var(--volt);
}
@media (max-width: 820px) {
  .doc-aside a {
    border: 1px solid var(--linea);
    border-radius: 999px;
    padding: 8px 16px;
    background: var(--blanco);
  }
}

.doc-panel {
  background: var(--blanco);
  border: 1px solid var(--linea);
  border-radius: var(--radio);
  padding: clamp(24px, 4vw, 44px);
  margin-bottom: 26px;
}
.doc-panel h2 {
  margin: 0 0 18px;
  font-size: clamp(1.5rem, 3vw, 2rem);
}
.doc-panel h3 {
  margin: 28px 0 8px;
  font-size: 17.5px;
  font-weight: 800;
  letter-spacing: -0.01em;
}
.doc-panel p, .doc-panel li {
  font-size: 15.5px;
  line-height: 1.7;
  color: #383b44;
}
.doc-panel p { margin: 0 0 14px; }
.doc-panel ul, .doc-panel ol { margin: 0 0 14px; padding-left: 22px; }
.doc-panel a {
  color: var(--tinta);
  font-weight: 700;
  text-decoration-color: var(--primario);
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.doc-panel details {
  border-bottom: 1px solid var(--linea);
  padding: 12px 2px;
}
.doc-panel summary {
  cursor: pointer;
  font-weight: 700;
  font-size: 15.5px;
}
.doc-panel summary:hover { color: var(--volt-tinta); }
.doc-panel details p { margin: 10px 0 4px; }

.notice {
  background: rgba(0, 128, 224, 0.08);
  border: 1px solid #9cc8ec;
  border-radius: 16px;
  padding: 16px 18px;
  font-size: 14.5px;
}

/* ---------- Idiomas (no tocar: language.js depende de esto) ---------- */

.lang-section.locale-en { display: none; }
[data-locale="en"] .lang-section.locale-es { display: none; }
[data-locale="en"] .lang-section.locale-en { display: block; }
.locale-en { display: none; }
[data-locale="en"] .locale-es { display: none; }
[data-locale="en"] .locale-en { display: inline; }
.doc-aside .locale-en { display: none; }
[data-locale="en"] .doc-aside .locale-es { display: none; }
[data-locale="en"] .doc-aside .locale-en { display: block; }

/* ---------- Reveal al hacer scroll ---------- */

.reveal-pending {
  opacity: 0;
  transform: translateY(20px);
}
.reveal-visible {
  opacity: 1;
  transform: none;
  transition: opacity 0.65s ease var(--d, 0s), transform 0.65s ease var(--d, 0s);
}

/* ---------- Movimiento reducido ---------- */

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001s !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001s !important;
  }
  .marquee-track { animation: none; }
}