/* ==========================================================================
   base.css — Reset, accesibilidad y componentes compartidos.
   Los colores, fuentes y radios se definen como tokens en styles.css.
   No edites este archivo para cambiar el aspecto: cambia los tokens.
   ========================================================================== */

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

html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--header-h, 76px) + 12px);
  color-scheme: light;
}
html[data-theme="dark"] { color-scheme: dark; }

body {
  margin: 0;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--fs-body, 1.0625rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  overflow-x: clip;
}

main { overflow-x: clip; }

img, svg, video, picture { display: block; max-width: 100%; }
img { height: auto; }
input, button, textarea, select { font: inherit; color: inherit; letter-spacing: inherit; }
button { cursor: pointer; background: none; border: 0; padding: 0; }
a { color: inherit; text-underline-offset: .2em; }
h1, h2, h3, h4, h5 { font-family: var(--font-display); line-height: 1.1; margin: 0; text-wrap: balance; font-weight: var(--display-weight, 700); }
p, figure, blockquote, dl, dd { margin: 0; }
p { text-wrap: pretty; }
ul[role="list"], ol[role="list"] { list-style: none; margin: 0; padding: 0; }
table { border-collapse: collapse; width: 100%; }
[hidden] { display: none !important; }

::selection { background: var(--accent); color: var(--accent-ink); }

:focus-visible {
  outline: 3px solid var(--focus, var(--accent));
  outline-offset: 3px;
}

/* ---------- Utilidades ---------- */
.container {
  width: min(100% - 2 * var(--gutter, 1.25rem), var(--container, 1200px));
  margin-inline: auto;
}
.sr-only {
  position: absolute !important;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0);
  white-space: nowrap; border: 0;
}
.skip-link {
  position: absolute;
  left: 1rem; top: -200px;
  z-index: 1000;
  padding: .8rem 1.2rem;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  border-radius: var(--radius-sm, 8px);
  text-decoration: none;
  transition: top .2s;
}
.skip-link:focus { top: 1rem; }

.icon {
  width: 1.25em; height: 1.25em;
  flex: none;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.75;
  stroke-linecap: round;
  stroke-linejoin: round;
}
.icon--fill { fill: currentColor; stroke: none; }
.sprite { position: absolute; width: 0; height: 0; overflow: hidden; }

/* ---------- Animación de aparición (solo con JS activo) ---------- */
.js [data-reveal] {
  transition:
    opacity .9s cubic-bezier(.16, 1, .3, 1) var(--reveal-delay, 0ms),
    transform .9s cubic-bezier(.16, 1, .3, 1) var(--reveal-delay, 0ms);
}
.js [data-reveal]:not(.is-visible) { opacity: 0; transform: translateY(28px); }
.js [data-reveal="fade"]:not(.is-visible) { transform: none; }
.js [data-reveal="zoom"]:not(.is-visible) { transform: scale(.96); }

/* ---------- Botón de menú (hamburguesa) ---------- */
.nav-toggle {
  display: none;
  position: relative;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm, 10px);
  color: var(--text);
  align-items: center;
  justify-content: center;
}
.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  display: block;
  width: 22px; height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: transform .3s cubic-bezier(.6, 0, .2, 1), opacity .2s;
}
.nav-toggle__bar { position: relative; }
.nav-toggle__bar::before, .nav-toggle__bar::after { content: ""; position: absolute; left: 0; }
.nav-toggle__bar::before { transform: translateY(-7px); }
.nav-toggle__bar::after { transform: translateY(7px); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::before { transform: rotate(45deg); background: var(--text); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar::after { transform: rotate(-45deg); background: var(--text); }

/* Botón de tema */
.theme-toggle {
  display: inline-grid;
  place-items: center;
  width: 44px; height: 44px;
  border-radius: var(--radius-sm, 10px);
  color: var(--text);
  transition: background-color .2s, transform .2s;
}
.theme-toggle:hover { background: color-mix(in srgb, var(--text) 8%, transparent); }
.theme-toggle .icon { width: 20px; height: 20px; }
.theme-toggle .icon-sun { display: none; }
html[data-theme="dark"] .theme-toggle .icon-sun { display: block; }
html[data-theme="dark"] .theme-toggle .icon-moon { display: none; }

/* Menú móvil por defecto: panel desplegable bajo la cabecera */
@media (max-width: 960px) {
  .nav-toggle { display: inline-flex; }
  .nav {
    position: absolute;
    top: 100%; left: 0; right: 0;
    height: calc(100dvh - 100%);
    max-height: calc(100dvh - var(--header-h, 76px));
    overflow-y: auto;
    padding: 1.5rem var(--gutter, 1.25rem) 2.5rem;
    background: var(--bg);
    border-top: 1px solid var(--line);
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: opacity .3s, transform .3s, visibility 0s .3s;
  }
  .nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
    transition: opacity .3s, transform .3s;
  }
  .nav ul { flex-direction: column; align-items: stretch !important; gap: 0 !important; }
  .nav li { border-bottom: 1px solid var(--line); }
  .nav ul a:not(.btn) { display: block; padding: 1rem 0; font-size: 1.25rem; }
  .nav .btn { margin-top: 1.25rem; width: 100%; justify-content: center; }
  .nav li:has(.btn) { border-bottom: 0; }
  body.nav-open { overflow: hidden; }
}

/* ---------- Barra de progreso de lectura ---------- */
.scroll-progress {
  position: fixed;
  inset: 0 0 auto 0;
  height: 3px;
  z-index: 200;
  background: var(--accent);
  transform-origin: 0 50%;
  transform: scaleX(0);
  pointer-events: none;
}

/* ---------- Volver arriba ---------- */
.back-top {
  position: fixed;
  right: 1.25rem; bottom: 1.25rem;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  background: var(--text);
  color: var(--bg);
  box-shadow: 0 10px 30px -10px rgba(0, 0, 0, .4);
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity .3s, transform .3s, visibility 0s .3s;
  text-decoration: none;
}
.back-top.is-visible { opacity: 1; visibility: visible; transform: none; transition: opacity .3s, transform .3s; }
.back-top .icon { width: 20px; height: 20px; }

/* ---------- Formularios ---------- */
.field { display: grid; gap: .45rem; }
.field > label, .field > .label { font-weight: 600; font-size: .92rem; }
.field input:not([type="checkbox"]):not([type="radio"]):not([type="range"]),
.field select,
.field textarea {
  width: 100%;
  min-height: 50px;
  padding: .8rem 1rem;
  border: 1px solid var(--line-strong, var(--line));
  border-radius: var(--radius-sm, 10px);
  background: var(--input-bg, var(--surface));
  color: var(--text);
  transition: border-color .2s, box-shadow .2s, background-color .2s;
}
.field textarea { min-height: 140px; resize: vertical; }
.field select {
  appearance: none;
  padding-right: 2.75rem;
  background-image: linear-gradient(45deg, transparent 50%, currentColor 50%), linear-gradient(135deg, currentColor 50%, transparent 50%);
  background-position: calc(100% - 22px) 52%, calc(100% - 16px) 52%;
  background-size: 6px 6px, 6px 6px;
  background-repeat: no-repeat;
}
.field input::placeholder, .field textarea::placeholder { color: var(--muted); opacity: .7; }
.field input:focus, .field select:focus, .field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--accent) 22%, transparent);
}
.field input:user-invalid, .field select:user-invalid, .field textarea:user-invalid {
  border-color: var(--danger, #d93025);
}
.field__hint { font-size: .82rem; color: var(--muted); }
.form-grid { display: grid; gap: 1.1rem; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.form-grid .field--full { grid-column: 1 / -1; }
@media (max-width: 640px) { .form-grid { grid-template-columns: 1fr; } }

.check {
  display: flex;
  gap: .7rem;
  align-items: flex-start;
  font-size: .92rem;
  color: var(--muted);
  line-height: 1.5;
}
.check input { width: 1.15rem; height: 1.15rem; margin: .15rem 0 0; flex: none; accent-color: var(--accent); }
.check a { color: var(--text); }

/* Trampa anti-bots: invisible para personas */
.hp { position: absolute !important; left: -10000px !important; width: 1px; height: 1px; overflow: hidden; }

.form-status {
  font-size: .95rem;
  font-weight: 600;
  border-radius: var(--radius-sm, 10px);
  padding: .9rem 1.1rem;
  border: 1px solid transparent;
}
.form-status:empty { display: none; }
.form-status[data-state="success"] { color: var(--success, #137333); background: color-mix(in srgb, var(--success, #137333) 10%, transparent); border-color: color-mix(in srgb, var(--success, #137333) 30%, transparent); }
.form-status[data-state="error"] { color: var(--danger, #c5221f); background: color-mix(in srgb, var(--danger, #c5221f) 10%, transparent); border-color: color-mix(in srgb, var(--danger, #c5221f) 30%, transparent); }
.form-status[data-state="info"], .form-status[data-state="pending"] { color: var(--text); background: color-mix(in srgb, var(--accent) 12%, transparent); border-color: color-mix(in srgb, var(--accent) 35%, transparent); }
form[aria-busy="true"] [type="submit"] { opacity: .7; cursor: progress; }
.form-note { font-size: .82rem; color: var(--muted); display: flex; gap: .5rem; align-items: center; }
.form-note .icon { width: 16px; height: 16px; }

/* ---------- Acordeón (details/summary) ---------- */
.accordion details { border-bottom: 1px solid var(--line); }
.accordion summary {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1.5rem;
  padding: 1.35rem 0;
  font-weight: 600;
  font-size: 1.08rem;
  cursor: pointer;
  list-style: none;
}
.accordion summary::-webkit-details-marker { display: none; }
.accordion summary::after {
  content: "";
  flex: none;
  width: 14px; height: 14px;
  background:
    linear-gradient(currentColor, currentColor) center / 100% 2px no-repeat,
    linear-gradient(currentColor, currentColor) center / 2px 100% no-repeat;
  transition: transform .3s;
  color: var(--accent);
}
.accordion details[open] summary::after { transform: rotate(135deg); }
.accordion details > :not(summary) { padding: 0 0 1.4rem; color: var(--muted); max-width: 70ch; }
.accordion details[open] > :not(summary) { animation: acc-in .35s ease; }
@keyframes acc-in { from { opacity: 0; transform: translateY(-6px); } }

/* ---------- Carrusel (scroll-snap) ---------- */
.carousel__track {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: var(--slide-w, min(420px, 85%));
  gap: var(--slide-gap, 1.25rem);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  padding-bottom: 4px;
}
.carousel__track::-webkit-scrollbar { display: none; }
.carousel__track > * { scroll-snap-align: start; }
.carousel__controls { display: flex; gap: .6rem; }
.carousel__btn {
  display: grid; place-items: center;
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--line-strong, var(--line));
  color: var(--text);
  transition: background-color .2s, color .2s, opacity .2s;
}
.carousel__btn:hover:not(:disabled) { background: var(--text); color: var(--bg); }
.carousel__btn:disabled { opacity: .35; cursor: default; }

/* ---------- Comparador antes / después ---------- */
.compare {
  --pos: 50%;
  position: relative;
  overflow: hidden;
  isolation: isolate;
  user-select: none;
  touch-action: pan-y;
}
.compare img { width: 100%; height: 100%; object-fit: cover; pointer-events: none; }
.compare__after { position: absolute; inset: 0; clip-path: inset(0 0 0 var(--pos)); }
.compare__range {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  margin: 0;
  opacity: 0;
  cursor: ew-resize;
  z-index: 3;
}
.compare__handle {
  position: absolute;
  top: 0; bottom: 0;
  left: var(--pos);
  width: 3px;
  margin-left: -1.5px;
  background: #fff;
  z-index: 2;
  pointer-events: none;
}
.compare__handle::after {
  content: "‹ ›";
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  display: grid; place-items: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: #fff;
  color: #111;
  font: 700 1.1rem/1 system-ui, sans-serif;
  letter-spacing: .1em;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
}
.compare__range:focus-visible ~ .compare__handle::after { outline: 3px solid var(--accent); outline-offset: 3px; }
.compare__tag {
  position: absolute; top: 1rem;
  z-index: 2;
  padding: .35rem .8rem;
  border-radius: 99px;
  background: rgba(0, 0, 0, .65);
  color: #fff;
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .06em;
  text-transform: uppercase;
  pointer-events: none;
}
.compare__tag--before { left: 1rem; }
.compare__tag--after { right: 1rem; }

/* ---------- Visor de imágenes (lightbox) ---------- */
.lightbox {
  width: 100vw; height: 100dvh;
  max-width: none; max-height: none;
  margin: 0;
  padding: clamp(1rem, 4vw, 3rem);
  border: 0;
  background: rgba(8, 8, 10, .94);
  color: #fff;
}
.lightbox[open] { display: grid; place-items: center; animation: lb-in .3s ease; }
.lightbox::backdrop { background: transparent; }
.lightbox figure { display: grid; gap: 1rem; justify-items: center; max-width: 100%; max-height: 100%; }
.lightbox img { max-width: min(1400px, 100%); max-height: calc(100dvh - 9rem); width: auto; object-fit: contain; border-radius: 6px; }
.lightbox figcaption { font-size: .95rem; opacity: .8; text-align: center; }
.lightbox__btn {
  position: absolute;
  display: grid; place-items: center;
  width: 52px; height: 52px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .1);
  color: #fff;
  font-size: 1.8rem;
  line-height: 1;
  transition: background-color .2s;
}
.lightbox__btn:hover { background: rgba(255, 255, 255, .22); }
.lightbox__close { top: 1rem; right: 1rem; }
.lightbox__prev { left: 1rem; top: 50%; transform: translateY(-50%); }
.lightbox__next { right: 1rem; top: 50%; transform: translateY(-50%); }
@keyframes lb-in { from { opacity: 0; } }

/* ---------- Marquesina ---------- */
.marquee { overflow: hidden; display: flex; user-select: none; mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent); }
.marquee__group { display: flex; flex: none; align-items: center; gap: var(--marquee-gap, 3rem); padding-right: var(--marquee-gap, 3rem); min-width: 100%; justify-content: space-around; animation: marquee var(--marquee-speed, 40s) linear infinite; }
.marquee:hover .marquee__group { animation-play-state: paused; }
@keyframes marquee { to { transform: translateX(-100%); } }

/* ---------- Páginas legales y 404 (compartidas) ---------- */
.legal-header {
  position: sticky; top: 0; z-index: 50;
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.legal-header__inner { display: flex; align-items: center; justify-content: space-between; gap: 1rem; min-height: 72px; }
.legal-header__actions { display: flex; align-items: center; gap: .5rem; }
.legal-back {
  display: inline-flex; align-items: center; gap: .5rem;
  padding: .6rem 1rem;
  border: 1px solid var(--line-strong, var(--line));
  border-radius: 99px;
  font-weight: 600; font-size: .92rem;
  text-decoration: none;
  transition: background-color .2s;
}
.legal-back:hover { background: color-mix(in srgb, var(--text) 6%, transparent); }
.legal-back .icon { width: 16px; height: 16px; transform: scaleX(-1); }
.legal { width: min(100% - 2 * var(--gutter, 1.25rem), 760px); margin: 0 auto; padding: clamp(3rem, 8vw, 6rem) 0; }
.legal h1 { font-size: clamp(2.2rem, 5vw, 3.4rem); margin-bottom: .75rem; letter-spacing: -.02em; }
.legal__updated { color: var(--muted); margin-bottom: 2.5rem; font-size: .95rem; }
.legal h2 { font-size: 1.35rem; margin: 2.75rem 0 .9rem; font-family: var(--font-body); font-weight: 700; letter-spacing: -.01em; }
.legal p, .legal li { color: var(--muted); }
.legal p + p { margin-top: 1rem; }
.legal ul { padding-left: 1.25rem; display: grid; gap: .5rem; margin: 1rem 0; }
.legal strong { color: var(--text); }
.legal a { color: var(--accent-text, var(--accent)); }
.legal table { margin: 1rem 0; font-size: .92rem; }
.legal th, .legal td { text-align: left; padding: .7rem .8rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.legal th { color: var(--text); }
.legal td { color: var(--muted); }
.legal__note {
  margin-top: 3rem;
  padding: 1.1rem 1.25rem;
  border-left: 4px solid var(--accent);
  background: var(--surface);
  border-radius: 0 var(--radius-sm, 8px) var(--radius-sm, 8px) 0;
  font-size: .92rem;
}
.legal-footer { border-top: 1px solid var(--line); padding: 2rem 0; color: var(--muted); font-size: .9rem; }
.legal-footer .container { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; }
.legal-footer nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.legal-footer a { text-decoration: none; }
.legal-footer a:hover { color: var(--text); }

.page-404 main { min-height: calc(100dvh - 72px - 90px); display: grid; place-items: center; text-align: center; padding: 4rem 0; }
.page-404 .code-404 { font-family: var(--font-display); font-size: clamp(7rem, 26vw, 16rem); line-height: .9; letter-spacing: -.05em; color: var(--accent-text, var(--accent)); font-weight: var(--display-weight, 800); }
.page-404 main h1 { font-size: clamp(1.6rem, 4vw, 2.4rem); margin: 1rem 0 .75rem; }
.page-404 main p { color: var(--muted); max-width: 44ch; margin: 0 auto 2rem; }
.btn-404 {
  display: inline-flex; align-items: center; gap: .6rem;
  padding: .95rem 1.6rem;
  border-radius: 99px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 700;
  text-decoration: none;
  transition: transform .2s;
}
.btn-404:hover { transform: translateY(-2px); }

/* ---------- Movimiento reducido ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    transition-delay: 0ms !important;
  }
  .js [data-reveal]:not(.is-visible) { opacity: 1; transform: none; }
  .marquee__group { animation: none; }
}

/* ---------- Impresión ---------- */
@media print {
  .site-header, .nav-toggle, .theme-toggle, .back-top, .scroll-progress, form { display: none !important; }
  body { background: #fff; color: #000; }
  a[href^="http"]::after { content: " (" attr(href) ")"; font-size: .8em; }
}