/* ============================================================
   Virtual.DO — Estilos del sitio (v1)
   Depende de tokens.css (variables de marca).
   Estética: minimalista, sobria, mucho aire, acento azul medido.
   ============================================================ */

/* ---- Reset suave ---- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--vd-font-text);
  font-size: var(--vd-fs-body);
  line-height: var(--vd-lh-normal);
  color: var(--vd-text);
  background: var(--vd-bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--vd-accent); text-decoration: none; transition: color var(--vd-transition); }
a:hover { color: var(--vd-accent-strong); }

h1, h2, h3 {
  font-family: var(--vd-font-display);
  color: var(--vd-ink);
  line-height: var(--vd-lh-tight);
  font-weight: var(--vd-weight-bold);
  margin: 0 0 var(--vd-space-4);
  letter-spacing: -0.02em;
}
p { margin: 0 0 var(--vd-space-4); }

/* ---- Contenedor ---- */
.hero,
.section {
  max-width: var(--vd-container-max);
  margin-inline: auto;
  padding-inline: var(--vd-container-pad);
}

/* offset para anclas por el header sticky */
section[id] { scroll-margin-top: 84px; }

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  gap: var(--vd-space-6);
  padding: var(--vd-space-3) var(--vd-container-pad);
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(140%) blur(10px);
  border-bottom: 1px solid var(--vd-border);
  transition: box-shadow var(--vd-transition), background var(--vd-transition);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  box-shadow: 0 4px 20px rgba(42, 51, 61, 0.07);
}
.brand { display: inline-flex; align-items: center; }
.brand__logo { height: 34px; width: auto; }

.site-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--vd-space-6);
  margin-left: auto;
}
.site-nav a {
  color: var(--vd-text);
  font-size: var(--vd-fs-small);
  font-weight: var(--vd-weight-medium);
}
.site-nav a:hover,
.site-nav a.is-active { color: var(--vd-accent); }

.lang-toggle {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  border: 1px solid var(--vd-border);
  background: var(--vd-bg);
  border-radius: var(--vd-radius-pill);
  padding: 6px 12px;
  font-size: 0.8125rem;
  font-weight: var(--vd-weight-semibold);
  color: var(--vd-text-muted);
  cursor: pointer;
  transition: border-color var(--vd-transition);
}
.lang-toggle:hover { border-color: var(--vd-accent); }
.lang-toggle span.is-active { color: var(--vd-accent); }

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  max-width: none;
  padding: calc(var(--vd-space-24) + var(--vd-space-12)) var(--vd-container-pad);
  text-align: center;
  overflow: hidden;
  color: var(--vd-text-on-dark);
  background:
    radial-gradient(900px 520px at 50% -5%, rgba(30, 159, 232, 0.24), transparent 62%),
    linear-gradient(165deg, #1e2831 0%, #2a333d 55%, #323d49 100%);
}
.hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--vd-container-max);
  margin-inline: auto;
}
.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.18em;
  font-size: 0.8125rem;
  font-weight: var(--vd-weight-semibold);
  color: #5cc2f6;
  margin-bottom: var(--vd-space-4);
}
.hero h1 {
  color: #fff;
  font-size: var(--vd-fs-hero);
  max-width: 20ch;
  margin: 0 auto var(--vd-space-6);
}
.hero h1 .grad {
  background: linear-gradient(100deg, #3ab2f4 10%, #86d6ff 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__lead {
  font-size: 1.25rem;
  color: rgba(234, 240, 245, 0.82);
  max-width: 56ch;
  margin: 0 auto var(--vd-space-8);
}
.hero__actions {
  display: flex;
  gap: var(--vd-space-4);
  justify-content: center;
  flex-wrap: wrap;
  margin-bottom: var(--vd-space-6);
}
.hero__tagline {
  font-style: italic;
  color: rgba(234, 240, 245, 0.6);
  margin: 0;
}

/* ---- Hexágonos flotantes del hero (guiño al logo) ---- */
.hero__bg { position: absolute; inset: 0; z-index: 1; pointer-events: none; }
.hex {
  position: absolute;
  clip-path: polygon(50% 0%, 100% 25%, 100% 75%, 50% 100%, 0% 75%, 0% 25%);
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.07), rgba(255, 255, 255, 0.015));
  animation: hex-float 9s ease-in-out infinite;
}
.hex--glow {
  background: radial-gradient(circle at 50% 38%, #3fb0f2, #1c7cbe);
  box-shadow: 0 0 60px rgba(63, 176, 242, 0.65);
}
.hex--1 { width: 96px;  height: 106px; top: 14%; left: 7%;   opacity: 0.55; animation-delay: 0s; }
.hex--2 { width: 58px;  height: 64px;  top: 62%; left: 15%;  opacity: 0.4;  animation-delay: 1.4s; }
.hex--3 { width: 112px; height: 124px; top: 20%; right: 11%; opacity: 0.92; animation-delay: 0.5s; }
.hex--4 { width: 76px;  height: 84px;  top: 64%; right: 9%;  opacity: 0.45; animation-delay: 2.1s; }
.hex--5 { width: 42px;  height: 46px;  top: 40%; right: 24%; opacity: 0.35; animation-delay: 1s; }

@keyframes hex-float {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(-16px); }
}

/* ---- Botones ---- */
.btn {
  display: inline-block;
  padding: 14px 26px;
  border-radius: var(--vd-radius-pill);
  font-weight: var(--vd-weight-semibold);
  font-size: var(--vd-fs-body);
  transition: background var(--vd-transition), transform var(--vd-transition), box-shadow var(--vd-transition);
}
.btn--primary {
  background: var(--vd-accent);
  color: var(--vd-text-on-accent);
  box-shadow: var(--vd-glow-accent);
}
.btn--primary:hover {
  background: var(--vd-accent-strong);
  color: var(--vd-text-on-accent);
  transform: translateY(-1px);
}
.btn--ghost {
  background: transparent;
  color: #eaf0f5;
  border: 1px solid rgba(255, 255, 255, 0.32);
}
.btn--ghost:hover {
  color: #fff;
  border-color: #fff;
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-1px);
}

/* ============================================================
   SECCIONES
   ============================================================ */
.section {
  padding-top: var(--vd-space-24);
  padding-bottom: var(--vd-space-24);
}
.section--alt {
  background: var(--vd-surface);
  max-width: none;
  padding-inline: 0;
}
.section--alt > * {
  max-width: var(--vd-container-max);
  margin-inline: auto;
  padding-inline: var(--vd-container-pad);
}
.section h2,
.section--contact h2 {
  font-size: var(--vd-fs-h2);
  position: relative;
  padding-bottom: 20px;
}
/* barra de acento en degradé (liga con el hero) */
.section h2::after,
.section--contact h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 56px;
  height: 4px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--vd-accent), #86d6ff);
}
/* palabra clave en degradé (legible sobre fondo claro) */
.grad-ink {
  background: linear-gradient(92deg, #1786cc, #33aef0);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* encabezado de sección (título + intro) */
.section__head {
  max-width: 64ch;
  margin: 0 auto var(--vd-space-16);
}
.section--center .section__head,
.section--center > h2 { text-align: center; }
.section--center .section__head { margin-inline: auto; }

.section__intro {
  font-size: 1.15rem;
  color: var(--vd-text-muted);
  margin-bottom: 0;
}

/* párrafos de lectura (Qué es, Ejemplo) */
.prose {
  max-width: 68ch;
  margin-inline: auto;
  text-align: left;
}
.prose .note { margin-top: var(--vd-space-6); }

.note {
  font-size: var(--vd-fs-small);
  color: var(--vd-text-muted);
  font-style: italic;
}

/* ---- Capas (Qué hacemos) ---- */
.layers {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--vd-space-6);
  text-align: left;
}
.layer {
  background: var(--vd-bg);
  border: 1px solid var(--vd-border);
  border-radius: var(--vd-radius-lg);
  padding: var(--vd-space-8);
  box-shadow: var(--vd-shadow-sm);
  transition: transform var(--vd-transition), box-shadow var(--vd-transition);
}
.layer:hover {
  transform: translateY(-4px);
  box-shadow: var(--vd-shadow-md);
}
.layer__label {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.75rem;
  font-weight: var(--vd-weight-semibold);
  color: var(--vd-accent);
  margin: 0 0 var(--vd-space-2);
}
.layer h3 {
  font-size: var(--vd-fs-h3);
  margin-bottom: var(--vd-space-3);
}
.layer__lead { color: var(--vd-text-muted); font-size: var(--vd-fs-small); }

/* lista término / descripción (sin guiones) */
.feature-list {
  list-style: none;
  padding: 0;
  margin: var(--vd-space-6) 0 0;
}
.feature-list li {
  position: relative;
  padding-left: var(--vd-space-6);
  margin-bottom: var(--vd-space-4);
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 7px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--vd-accent);
}
.feature__term {
  display: block;
  font-weight: var(--vd-weight-semibold);
  color: var(--vd-ink);
}
.feature__desc {
  display: block;
  color: var(--vd-text-muted);
  font-size: var(--vd-fs-small);
}

/* ---- Pasos (Cómo trabajamos) ---- */
.steps {
  list-style: none;
  counter-reset: step;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--vd-space-8);
  text-align: left;
}
.steps li {
  counter-increment: step;
  position: relative;
  padding-left: 60px;
  min-height: 44px;
}
.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 0;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--vd-accent-soft);
  color: var(--vd-accent-strong);
  border-radius: var(--vd-radius-md);
  font-weight: var(--vd-weight-bold);
  font-family: var(--vd-font-display);
}
.step__term {
  display: block;
  font-weight: var(--vd-weight-semibold);
  color: var(--vd-ink);
}
.step__desc {
  display: block;
  color: var(--vd-text-muted);
  font-size: var(--vd-fs-small);
}

/* ---- Tags (Industrias) — nube centrada ---- */
.tags {
  list-style: none;
  padding: 0;
  margin: 0 auto var(--vd-space-8);
  max-width: 760px;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--vd-space-3);
}
.tags li {
  background: var(--vd-bg);
  border: 1px solid var(--vd-border);
  border-radius: var(--vd-radius-pill);
  padding: 10px 22px;
  font-size: var(--vd-fs-small);
  font-weight: var(--vd-weight-medium);
  color: var(--vd-ink);
  transition: border-color var(--vd-transition), color var(--vd-transition);
}
.tags li:hover { border-color: var(--vd-accent); color: var(--vd-accent); }
.section--center .note { text-align: center; }

/* ---- Razones (Por qué) — tarjetas parejas centradas ---- */
.reasons {
  list-style: none;
  padding: 0;
  margin: 0 auto;
  max-width: 960px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--vd-space-6);
  text-align: left;
}
.reasons li {
  background: var(--vd-bg);
  border: 1px solid var(--vd-border);
  border-left: 3px solid var(--vd-accent);
  border-radius: var(--vd-radius-md);
  padding: var(--vd-space-6);
  transition: transform var(--vd-transition), box-shadow var(--vd-transition);
}
.reasons li:hover {
  transform: translateY(-3px);
  box-shadow: var(--vd-shadow-md);
}
.reason__term {
  display: block;
  font-weight: var(--vd-weight-semibold);
  color: var(--vd-ink);
  margin-bottom: var(--vd-space-1);
}
.reason__desc {
  display: block;
  color: var(--vd-text-muted);
  font-size: var(--vd-fs-small);
}

/* ---- Contacto ---- */
.section--contact { text-align: center; }
.section--contact h2 { font-size: var(--vd-fs-h2); }
.section--contact p { color: var(--vd-text-muted); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--vd-ink-deep);
  color: var(--vd-text-on-dark);
  padding: var(--vd-space-12) var(--vd-container-pad);
  text-align: center;
  font-size: var(--vd-fs-small);
}
.site-footer p { margin: 0; }
.site-footer strong { color: #fff; }

/* ============================================================
   MOVIMIENTO — scroll reveal (activado por JS con la clase .js)
   Sin JS, el contenido se ve siempre (no se oculta).
   ============================================================ */
.js .reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.7s ease, transform 0.7s ease;
  will-change: opacity, transform;
}
.js .reveal.is-visible {
  opacity: 1;
  transform: none;
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  .layers { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .steps { grid-template-columns: 1fr; }
}
@media (max-width: 760px) {
  .hex--2, .hex--5 { display: none; }
}
@media (max-width: 640px) {
  .site-header { flex-wrap: wrap; gap: var(--vd-space-3); }
  .site-nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    gap: var(--vd-space-4);
    overflow-x: auto;
    padding-bottom: 4px;
  }
  .lang-toggle { margin-left: auto; }
  .hero { padding-block: var(--vd-space-16); }
  .hero__bg { opacity: 0.5; }
  .hero__lead { font-size: 1.1rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .btn--primary:hover,
  .layer:hover,
  .reasons li:hover { transform: none; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
}