/* ============================================================
   TECH — landing estilo suizo claro (referencia MYDNA)
   Lienzo blanco flotante, grotesca neutra, un acento champana
   ============================================================ */

:root {
  --page: #e8e8e6;
  --canvas: #fcfcfa;
  --panel: #f1f1ee;
  --ink: #131416;
  --ink-soft: #4a4d52;
  /* --gray se usa en texto pequeno: necesita 4.5:1 sobre --canvas (WCAG 1.4.3).
     --gray-light va en texto display y bordes: necesita 3:1 (1.4.3 / 1.4.11). */
  --gray: #6c6f76;
  --gray-light: #8e9198;
  --hairline: #e3e3df;
  --accent: #c9a961;

  --font: "Archivo", "Helvetica Neue", Helvetica, Arial, sans-serif;

  --text-hero: clamp(2.6rem, 1.4rem + 4.6vw, 5.6rem);
  --text-h2: clamp(2rem, 1.2rem + 2.8vw, 3.6rem);
  --text-marquee: clamp(2.8rem, 1.6rem + 6vw, 7rem);
  --space-section: clamp(4.5rem, 3rem + 6vw, 9rem);
  --pad-x: clamp(1.25rem, 0.5rem + 3.5vw, 4rem);

  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

body {
  font-family: var(--font);
  font-weight: 400;
  background: var(--canvas);
  color: var(--ink);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

::selection { background: rgba(201, 169, 97, 0.3); }

/* ---------- Lienzo full width ---------- */

.canvas {
  background: var(--canvas);
  width: 100%;
  /* clip y no hidden: hidden rompe position sticky de los descendientes */
  overflow: clip;
}

/* ---------- Botones ---------- */

.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  padding: 0.9rem 1.9rem;
  border-radius: 999px;
  font-size: 0.7rem; font-weight: 500;
  letter-spacing: 0.14em; text-transform: uppercase;
  text-decoration: none;
  transition: background-color 0.25s var(--ease-out), color 0.25s var(--ease-out),
              border-color 0.25s var(--ease-out), transform 0.25s var(--ease-out);
}
.btn svg { width: 1em; height: 1em; }

.btn-dark { background: var(--ink); color: var(--canvas); }
.btn-dark:hover { background: #2a2c30; transform: translateY(-1px); }

.btn-outline { background: transparent; color: var(--ink); border: 1px solid var(--gray-light); }
.btn-outline:hover { border-color: var(--ink); }

.btn-sm { padding: 0.6rem 1.3rem; font-size: 0.64rem; }
.btn-lg { padding: 1.1rem 2.6rem; font-size: 0.78rem; }

/* El oro solo da 2.19:1 sobre el lienzo: el foco se dibuja en tinta (SC 1.4.11) */
.btn:focus-visible, a:focus-visible, button:focus-visible {
  outline: 3px solid var(--ink); outline-offset: 3px; border-radius: 4px;
}

/* ---------- Barra superior ---------- */

.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 1.5rem;
  padding: 1rem var(--pad-x);
  background: rgba(252, 252, 250, 0.88);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--hairline);
}

.brand {
  display: flex; align-items: center; gap: 0.6rem;
  color: var(--ink); text-decoration: none;
}
.brand-mark { width: 26px; height: 24px; flex: none; }
.brand-name { font-size: 0.95rem; font-weight: 600; letter-spacing: 0.34em; }

.topbar-end { display: flex; align-items: center; gap: 0.9rem; }

.lang-switch {
  color: var(--gray);
  text-decoration: none;
  font-size: 0.66rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  padding: 0.35rem 0.2rem;
  border-bottom: 1px solid transparent;
  white-space: nowrap;
  transition: color 0.22s var(--ease-out), border-color 0.22s var(--ease-out);
}
.lang-switch:hover { color: var(--ink); border-bottom-color: var(--ink); }

.dock { display: flex; align-items: center; gap: 0.25rem; }

.dock-item {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  color: var(--gray);
  font-size: 0.66rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  text-decoration: none; white-space: nowrap;
  will-change: transform;
  transform-origin: 50% 50%;
  transition: color 0.22s var(--ease-out), background-color 0.22s var(--ease-out);
}
.dock-item[data-dock-near="true"] { color: var(--ink); background: var(--panel); }
.dock-item:hover { color: var(--ink); }

@media (max-width: 900px) { .dock { display: none; } }

/* ---------- Hero: escenario sticky con video scrubbed ---------- */

/* Sin JS el hero es una seccion normal apilada y legible.
   El modo scrollytelling solo se activa cuando main.js marca .js-ready. */
.hero-stage { position: relative; }
.js-ready .hero-stage { height: 420vh; }

.hero-sticky {
  display: flex; flex-direction: column;
  padding: 3rem 0;
}
.js-ready .hero-sticky {
  position: sticky; top: 0;
  height: 100svh;
  flex-direction: row; align-items: center;
  padding: 0;
  overflow: hidden;
}

.hero-sticky video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  object-position: 68% center;
  opacity: 0;
  transition: opacity 0.9s var(--ease-out);
}
.hero-sticky video.is-ready { opacity: 1; }

.hero-veil {
  position: absolute; inset: 0;
  background: linear-gradient(90deg,
    rgba(252, 252, 250, 0.96) 0%,
    rgba(252, 252, 250, 0.82) 32%,
    rgba(252, 252, 250, 0.25) 58%,
    rgba(252, 252, 250, 0) 78%);
}

.hero-beats {
  position: relative; z-index: 1;
  width: 100%;
}

/* Estado base (sin JS): los cuatro mensajes apilados y visibles */
.beat { padding: 2rem var(--pad-x); max-width: 46rem; }

.js-ready .hero-beats { height: 100%; }
.js-ready .beat {
  position: absolute;
  left: var(--pad-x); right: var(--pad-x);
  top: 50%;
  padding: 0;
  opacity: 0;
  transform: translateY(-50%);
  will-change: opacity, transform;
  pointer-events: none;
}

/* inert quita el beat del orden de tabulacion y del arbol de accesibilidad:
   sin esto el teclado cae en un CTA invisible (SC 2.4.7) */
.beat[inert] { visibility: hidden; }

/* Movimiento reducido: el hero vuelve a ser una seccion apilada y estatica */
@media (prefers-reduced-motion: reduce) {
  .js-ready .hero-stage { height: auto; }
  .js-ready .hero-sticky {
    position: static; height: auto;
    flex-direction: column; padding: 3rem 0;
  }
  .js-ready .beat {
    position: static;
    opacity: 1 !important;
    visibility: visible;
    transform: none !important;
    pointer-events: auto;
    padding: 2rem var(--pad-x);
  }
}

.hero-scrollhint {
  margin-top: 3.2rem;
  font-size: 0.64rem; font-weight: 500;
  letter-spacing: 0.24em; text-transform: uppercase;
  color: var(--gray);
}

@media (max-width: 900px) {
  .hero-veil {
    background: linear-gradient(180deg,
      rgba(252, 252, 250, 0.94) 0%,
      rgba(252, 252, 250, 0.7) 45%,
      rgba(252, 252, 250, 0.2) 100%);
  }
}

.eyebrow {
  font-size: 0.66rem; font-weight: 600;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 1.6rem;
}

.hero-title {
  font-size: var(--text-hero);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.03em;
  max-width: 14ch;
}

.hero-sub {
  margin-top: 1.8rem;
  font-size: clamp(0.98rem, 0.9rem + 0.35vw, 1.15rem);
  color: var(--ink-soft);
  max-width: 40ch;
}

.hero-ctas { margin-top: 2.6rem; display: flex; flex-wrap: wrap; gap: 0.9rem; }

/* ---------- Tarjeta numerada ---------- */

.factcard {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) minmax(0, 1.4fr);
  gap: clamp(1.5rem, 3vw, 3.5rem);
  align-items: start;
  background: var(--panel);
  border-radius: 16px;
  margin: 0 var(--pad-x);
  padding: clamp(1.8rem, 1.2rem + 2vw, 3rem);
}

.factcard-num {
  font-size: 2rem; font-weight: 500; letter-spacing: -0.02em;
  line-height: 1;
}

.factcard-title {
  font-size: clamp(1.15rem, 1rem + 0.8vw, 1.6rem);
  font-weight: 500; letter-spacing: -0.015em; line-height: 1.2;
}

.factcard-text { font-size: 0.92rem; color: var(--ink-soft); max-width: 56ch; }

@media (max-width: 820px) {
  .factcard { grid-template-columns: auto 1fr; }
  .factcard-text { grid-column: 1 / -1; }
}

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

.section { padding: var(--space-section) var(--pad-x) 0; }

.section-head { max-width: 52rem; margin-bottom: 3.2rem; }

.section-title {
  font-size: var(--text-h2);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.025em;
}

.section-sub { margin-top: 1.1rem; color: var(--ink-soft); max-width: 50ch; }

/* ---------- Plataformas ---------- */

.platform-rows { border-top: 1px solid var(--hairline); }

.platform-row {
  display: grid;
  grid-template-columns: 4.5rem minmax(0, 1.1fr) minmax(0, 1fr);
  gap: clamp(1.2rem, 2.5vw, 3rem);
  align-items: start;
  padding: 2.4rem 0.8rem;
  border-bottom: 1px solid var(--hairline);
  border-radius: 10px;
  transition: background-color 0.3s var(--ease-out);
}
.platform-row:hover { background: var(--panel); }

.platform-num { font-size: 0.85rem; font-weight: 600; color: var(--gray); padding-top: 0.6rem; }

.platform-name {
  font-size: clamp(1.9rem, 1.4rem + 1.8vw, 2.9rem);
  font-weight: 500; letter-spacing: -0.02em; line-height: 1;
  margin-bottom: 0.8rem;
}

.platform-desc { color: var(--ink-soft); font-size: 0.92rem; max-width: 44ch; }

.platform-chips {
  list-style: none;
  display: flex; flex-wrap: wrap; gap: 0.5rem;
  align-content: start;
  padding-top: 0.5rem;
}
.platform-chips li {
  font-size: 0.66rem; font-weight: 500;
  letter-spacing: 0.1em; text-transform: uppercase;
  color: var(--ink-soft);
  border: 1px solid var(--gray-light);
  border-radius: 999px;
  padding: 0.42rem 0.95rem;
  white-space: nowrap;
}

@media (max-width: 820px) {
  .platform-row { grid-template-columns: 3rem 1fr; }
  .platform-chips { grid-column: 2; }
}

/* ---------- Servicios (linea de pasos) ---------- */

.steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 1.5rem;
  border-top: 1px solid var(--hairline);
  counter-reset: step;
}

.step { position: relative; padding-top: 2.2rem; }

.step-dot {
  position: absolute; top: -5.5px; left: 0;
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--gray-light);
  transition: background-color 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.step:hover .step-dot,
.step:first-child .step-dot {
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(201, 169, 97, 0.18);
}

.step h3 { font-size: 0.86rem; font-weight: 600; letter-spacing: 0.02em; margin-bottom: 0.45rem; }
.step p { font-size: 0.8rem; color: var(--gray); }

@media (max-width: 1000px) { .steps { grid-template-columns: repeat(3, 1fr); row-gap: 2.5rem; } }
@media (max-width: 600px) { .steps { grid-template-columns: repeat(2, 1fr); } }

/* ---------- Marquee de cobertura ---------- */

.marquee {
  padding-top: var(--space-section);
  overflow: hidden;
}

.marquee-track {
  display: flex; align-items: baseline; gap: clamp(1.2rem, 2.5vw, 2.6rem);
  width: max-content;
  font-size: var(--text-marquee);
  font-weight: 500;
  letter-spacing: -0.03em;
  text-transform: uppercase;
  white-space: nowrap;
  animation: marqueeDrift 46s linear infinite;
}
.marquee-track span { color: var(--ink); }
.marquee-track span.alt { color: var(--gray-light); }
.marquee-track i { font-style: normal; color: var(--accent); font-weight: 300; }

@keyframes marqueeDrift {
  to { transform: translateX(-50%); }
}

.marquee-caption {
  padding: 1.6rem var(--pad-x) 0;
  font-size: 0.72rem; letter-spacing: 0.18em; text-transform: uppercase;
  color: var(--gray);
}

/* ---------- Historia ---------- */

.section--history { max-width: 62rem; }

.milestones { list-style: none; margin-top: 2.5rem; border-top: 1px solid var(--hairline); }

.milestone {
  display: grid;
  grid-template-columns: minmax(4.5rem, 8rem) 1fr;
  gap: clamp(1.5rem, 3vw, 3rem);
  padding: 2.4rem 0;
  border-bottom: 1px solid var(--hairline);
}

.milestone-num {
  font-size: clamp(2.4rem, 2rem + 2vw, 4rem);
  font-weight: 500; line-height: 1; letter-spacing: -0.03em;
  color: var(--gray-light);
}

.milestone h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.5rem; }
.milestone p { font-size: 0.92rem; color: var(--ink-soft); max-width: 62ch; }

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

.section--contact { padding-bottom: var(--space-section); }

.contact {
  text-align: center;
  background: var(--panel);
  border-radius: 20px;
  padding: clamp(3rem, 2rem + 4vw, 6rem) var(--pad-x);
}
/* El titulo y el subtitulo se acotan para no invadir nunca la columna derecha
   donde se posiciona .contact-card (que es absolute y no reserva espacio). */
.contact .section-title { max-width: 20ch; margin-inline: auto; }
.contact .section-sub { max-width: 46ch; margin-inline: auto; }
.contact .btn-lg { margin-top: 2.4rem; }
.contact .btn-lg svg { width: 1.15em; height: 1.15em; }

.contact-alt {
  margin-top: 1.1rem;
  font-size: 0.72rem; letter-spacing: 0.18em;
  color: var(--gray);
}

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

.footer {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: 2rem;
  padding: 3rem var(--pad-x) 3.5rem;
  border-top: 1px solid var(--hairline);
}

.footer-left p { color: var(--gray); font-size: 0.82rem; margin-top: 0.7rem; }

.footer-nav { display: flex; flex-wrap: wrap; gap: 1.4rem; align-items: start; justify-content: flex-end; }
.footer-nav a {
  color: var(--ink-soft); text-decoration: none;
  font-size: 0.66rem; font-weight: 500; letter-spacing: 0.16em; text-transform: uppercase;
  transition: color 0.22s var(--ease-out);
}
.footer-nav a:hover { color: var(--ink); }

.footer-legal { grid-column: 1 / -1; color: var(--gray); font-size: 0.72rem; }

@media (max-width: 700px) {
  .footer { grid-template-columns: 1fr; }
  .footer-nav { justify-content: flex-start; }
}

/* ---------- Animaciones de entrada ---------- */

/* Solo se ocultan si JS esta vivo para volver a mostrarlos */
.js-ready .fade-up {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.js-ready .fade-up.is-visible { opacity: 1; transform: translateY(0); }

.masked-reveal .reveal-mask {
  display: inline-block; overflow: hidden;
  vertical-align: bottom;
  padding-top: 0.12em; margin-top: -0.12em;
}
.masked-reveal .reveal-word {
  display: inline-block;
  transform: translateY(115%);
  transition: transform 1s var(--ease-out);
  transition-delay: var(--reveal-delay, 0s);
  will-change: transform;
}
.masked-reveal.is-visible .reveal-word { transform: translateY(0); }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js-ready .fade-up, .masked-reveal .reveal-word { transition: none; opacity: 1; transform: none; }
  .marquee-track { animation: none; }
}

/* Control de pausa del marquee (SC 2.2.2 Pause, Stop, Hide) */
.marquee-pause {
  display: inline-flex; align-items: center; gap: 0.5rem;
  margin: 1.4rem var(--pad-x) 0;
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--gray-light);
  border-radius: 999px;
  color: var(--ink-soft);
  font-family: inherit;
  font-size: 0.64rem; font-weight: 500;
  letter-spacing: 0.18em; text-transform: uppercase;
  cursor: pointer;
  transition: border-color 0.25s var(--ease-out), color 0.25s var(--ease-out);
}
.marquee-pause:hover { border-color: var(--ink); color: var(--ink); }
.marquee.is-paused .marquee-track { animation-play-state: paused; }

/* Titulo de seccion que mantiene la jerarquia semantica con estilo de eyebrow */
.sr-title {
  font-size: 0.66rem; font-weight: 600;
  letter-spacing: 0.3em; text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 1.6rem;
}

/* ============================================================
   Recursos de movimiento (referencia MYDNA) — ver js/motion.js
   ============================================================ */

/* Texto que se ilumina palabra por palabra con el scroll.
   Apagado usa --gray (4.5:1) y no --gray-light: aunque el usuario aun no haya
   hecho scroll, el texto debe ser legible. El salto a --ink mantiene el efecto. */
.lit-word {
  color: var(--gray);
  transition: color 0.45s var(--ease-out);
}
.lit-word.is-lit { color: var(--ink); }

/* ---------- Banda de cifras ---------- */

.stats {
  max-width: 76rem;
  margin: 0 auto;
  padding: var(--space-section) var(--pad-x) 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  border-top: 1px solid var(--hairline);
  padding-top: 2.4rem;
}

.stat-num {
  font-size: clamp(3rem, 2rem + 5vw, 6.5rem);
  font-weight: 500;
  line-height: 0.95;
  letter-spacing: -0.045em;
  font-variant-numeric: tabular-nums;
}

.stat-label {
  margin-top: 0.7rem;
  font-size: 0.68rem; font-weight: 500;
  letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--gray);
  max-width: 12rem;
}

@media (max-width: 780px) {
  .stats-grid { grid-template-columns: repeat(2, 1fr); row-gap: 2.5rem; }
}

/* ---------- Progreso de la linea de servicios ----------
   Solo se anima el punto. El texto nunca se atenua: bajar los parrafos a
   gris claro romperia el 4.5:1 exigido por WCAG 1.4.3 en texto normal. */

.step-dot { transition: background-color 0.5s var(--ease-out), box-shadow 0.5s var(--ease-out); }
.step.is-done .step-dot {
  background: var(--accent);
  box-shadow: 0 0 0 5px rgba(201, 169, 97, 0.18);
}

/* ---------- Hito activo en la historia ----------
   Solo cambia de color el numero grande (texto display: 3:1 es suficiente).
   Los titulos y parrafos se mantienen siempre legibles. */

.milestone-num { transition: color 0.5s var(--ease-out), transform 0.5s var(--ease-out); }
.milestone.is-active .milestone-num {
  color: var(--ink);
  transform: scale(1.12);
  transform-origin: left center;
}

/* ---------- Ficha de contacto que entra rotada ---------- */

.contact { position: relative; }

.contact-card {
  position: absolute;
  right: clamp(1rem, 4vw, 4rem);
  top: clamp(1rem, 3vw, 2.5rem);
  display: flex; flex-direction: column; gap: 0.3rem;
  text-align: left;
  background: var(--ink);
  color: var(--canvas);
  border-radius: 14px;
  padding: 1.2rem 1.5rem;
  max-width: 15rem;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.18);
  opacity: 0;
  transform: rotate(-9deg) translateY(30px) scale(0.94);
  transition: opacity 0.7s var(--ease-out), transform 0.9s var(--ease-out);
}
.contact-card.is-in {
  opacity: 1;
  transform: rotate(-4deg) translateY(0) scale(1);
}
.contact-card strong {
  font-size: 0.72rem; font-weight: 600;
  letter-spacing: 0.16em; text-transform: uppercase;
  margin-bottom: 0.3rem;
}
.contact-card span {
  font-size: 0.76rem;
  color: var(--gray-light);
}

@media (max-width: 900px) {
  .contact-card { display: none; }
}

/* ---------- Inclinacion 3D de las filas de plataforma ---------- */

.platform-row {
  transform-style: preserve-3d;
  transition: background-color 0.3s var(--ease-out), transform 0.4s var(--ease-out);
}

@media (prefers-reduced-motion: reduce) {
  .lit-word, .step-dot, .milestone-num,
  .contact-card, .platform-row { transition: none; }
  .lit-word { color: var(--ink-soft); }
  .contact-card { opacity: 1; transform: rotate(-4deg); }
}