/* FRUDAS TECHNOLOGY — hoja de estilos única.
   Pila de fuentes del sistema: 0 archivos de fuente, 0 peticiones a terceros.
   Sin estilos en línea en el HTML (la CSP sirve style-src 'self'). */

:root {
  --bg: #060a11;
  --bg-alt: #0a111c;
  --surface: #0d1523;
  --surface-2: #111c2d;
  --line: #1e2c42;
  --line-soft: #15202f;
  --ink: #eef3fb;
  --ink-muted: #b6c2d6;
  --accent: #56e0c0;
  --accent-strong: #86f2d8;
  --accent-ink: #04140f;
  --radius: 14px;
  --wrap: 1120px;
  --gutter: 2.5rem;
  --step: clamp(1rem, 0.95rem + 0.25vw, 1.0625rem);
  --font-sans: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--step);
  line-height: 1.6;
  overflow-wrap: break-word;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
p {
  margin: 0;
}

ul,
ol {
  margin: 0;
  padding: 0;
  list-style: none;
}

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

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

a:hover {
  color: var(--accent-strong);
}

:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

#main:focus {
  outline: none;
}

.visually-hidden {
  position: absolute !important;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: -5rem;
  left: 1rem;
  z-index: 60;
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 1.1rem;
  border-radius: 10px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 650;
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.wrap {
  width: min(var(--wrap), 100% - var(--gutter));
  margin-inline: auto;
}

.wrap-narrow {
  width: min(46rem, 100% - var(--gutter));
  margin-inline: auto;
}

/* ---------- Cabecera ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 30;
  background: rgba(6, 10, 17, 0.88);
  border-bottom: 1px solid var(--line-soft);
  backdrop-filter: blur(10px);
}

.header-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1.25rem;
  padding-block: 0.6rem;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 44px;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-decoration: none;
}

.brand-mark {
  width: 24px;
  height: 24px;
  border-radius: 7px;
  background: linear-gradient(135deg, var(--accent), #4a7dff);
  box-shadow: 0 0 0 1px rgba(86, 224, 192, 0.35) inset;
}

.nav-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem 0.25rem;
}

.nav-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.6rem;
  border-radius: 9px;
  color: var(--ink-muted);
  font-size: 0.92rem;
  text-decoration: none;
}

.nav-list a:hover {
  background: var(--surface);
  color: var(--ink);
}

.nav-list a[aria-current="page"] {
  color: var(--accent);
  box-shadow: inset 0 -2px 0 var(--accent);
}

.lang-list {
  display: flex;
  gap: 0.15rem;
  padding: 2px;
  border: 1px solid var(--line);
  border-radius: 999px;
}

.lang-list a,
.lang-current {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 0.75rem;
  border-radius: 999px;
  color: var(--ink-muted);
  font-size: 0.82rem;
  text-decoration: none;
}

.lang-current {
  background: var(--surface-2);
  color: var(--ink);
}

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

.hero {
  position: relative;
  display: grid;
  align-items: end;
  min-height: clamp(30rem, 76vh, 44rem);
  padding-block: clamp(4rem, 12vh, 8rem) clamp(2.5rem, 6vh, 4rem);
  overflow: hidden;
  border-bottom: 1px solid var(--line-soft);
  background: var(--bg);
}

.hero-media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.hero-poster {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.9;
}

.hero-scene {
  position: absolute;
  inset: 0;
}

.hero-media.is-live .hero-poster {
  opacity: 0;
  transition: opacity 600ms ease-out;
}

.hero-scene canvas {
  display: block;
  width: 100%;
  height: 100%;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: linear-gradient(
    180deg,
    rgba(6, 10, 17, 0.55) 0%,
    rgba(6, 10, 17, 0.72) 55%,
    var(--bg) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 46rem;
}

.hero-kicker {
  margin-bottom: 0.9rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.hero-title {
  font-size: clamp(2rem, 1.35rem + 3.4vw, 3.6rem);
  font-weight: 760;
  letter-spacing: -0.022em;
  line-height: 1.07;
  text-wrap: balance;
}

.hero-lead {
  max-width: 34rem;
  margin-top: 1.1rem;
  color: var(--ink-muted);
  font-size: clamp(1.05rem, 1rem + 0.4vw, 1.28rem);
}

.hero-actions {
  margin-top: 1.8rem;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0 1.4rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-ink);
  font-weight: 650;
  text-decoration: none;
}

.button:hover {
  background: var(--accent-strong);
  color: var(--accent-ink);
}

.button-ghost {
  background: transparent;
  border-color: var(--line);
  color: var(--ink);
}

.button-ghost:hover {
  border-color: var(--accent);
  background: transparent;
  color: var(--accent);
}

.link-arrow {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.link-arrow::after {
  content: "→";
  margin-left: 0.5rem;
}

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

.section {
  padding-block: clamp(3rem, 7vw, 5.5rem);
}

.section-alt {
  border-block: 1px solid var(--line-soft);
  background: var(--bg-alt);
}

.section-first {
  padding-top: clamp(2.5rem, 6vw, 4rem);
}

.section-title {
  font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.25rem);
  font-weight: 700;
  letter-spacing: -0.018em;
  line-height: 1.15;
}

.section-lead {
  max-width: 44rem;
  margin-top: 0.8rem;
  color: var(--ink-muted);
}

.section-note {
  max-width: 46rem;
  margin-top: 0.9rem;
  padding-left: 0.9rem;
  border-left: 2px solid var(--line);
  color: var(--ink-muted);
  font-size: 0.9rem;
}

.section-actions {
  margin-top: 1.8rem;
}

.page-head {
  padding-block: clamp(3rem, 8vw, 5rem) clamp(1.5rem, 4vw, 2.5rem);
  border-bottom: 1px solid var(--line-soft);
  background:
    radial-gradient(1100px 300px at 12% -20%, rgba(86, 224, 192, 0.16), transparent 70%),
    var(--bg);
}

.page-title {
  font-size: clamp(2rem, 1.5rem + 2.4vw, 3rem);
  font-weight: 760;
  letter-spacing: -0.022em;
  line-height: 1.1;
}

.page-lead {
  max-width: 40rem;
  margin-top: 1rem;
  color: var(--ink-muted);
  font-size: clamp(1rem, 0.95rem + 0.35vw, 1.14rem);
}

/* ---------- Tarjetas ---------- */

.card-grid {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15.5rem), 1fr));
}

.card {
  padding: clamp(1.1rem, 3vw, 1.6rem);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.card-title {
  font-size: 1.06rem;
  font-weight: 680;
  line-height: 1.3;
}

.card-meta {
  margin-top: 0.4rem;
  color: var(--ink-muted);
  font-size: 0.84rem;
  letter-spacing: 0.02em;
}

.card-body {
  margin-top: 0.55rem;
  color: var(--ink-muted);
  font-size: 0.97rem;
}

.card-link {
  margin-top: 1.1rem;
}

/* ---------- Pasos y fases ---------- */

.step-list {
  display: grid;
  gap: 1rem;
  margin-top: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
  counter-reset: step;
}

.step {
  position: relative;
  padding: 1.3rem 1.15rem 1.3rem 3.3rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(13, 21, 35, 0.65);
  counter-increment: step;
}

.step::before {
  content: counter(step, decimal-leading-zero);
  position: absolute;
  top: 1.32rem;
  left: 1.15rem;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.06em;
}

.step-title {
  font-size: 1rem;
  font-weight: 680;
}

.step-body {
  margin-top: 0.4rem;
  color: var(--ink-muted);
  font-size: 0.94rem;
}

.line-list,
.phase-list {
  display: grid;
  gap: 1.1rem;
  margin-top: 2rem;
}

.line-item,
.phase {
  padding: clamp(1.1rem, 3vw, 1.7rem);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: var(--radius);
  background: var(--surface);
}

.line-title,
.phase-title {
  font-size: clamp(1.08rem, 1rem + 0.45vw, 1.3rem);
  font-weight: 700;
  line-height: 1.28;
}

.line-body,
.phase-body {
  max-width: 46rem;
  margin-top: 0.6rem;
  color: var(--ink-muted);
}

.line-subtitle {
  margin-top: 1.1rem;
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.tick-list {
  display: grid;
  gap: 0.35rem;
  margin-top: 0.6rem;
}

.tick-list li {
  position: relative;
  padding-left: 1.35rem;
  color: var(--ink-muted);
  font-size: 0.95rem;
}

.tick-list li::before {
  content: "";
  position: absolute;
  top: 0.6em;
  left: 0;
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 2px;
  background: var(--accent);
  opacity: 0.85;
}

/* ---------- Preguntas frecuentes ---------- */

.faq-list {
  display: grid;
  gap: 0.5rem;
  margin-top: 1.6rem;
}

.faq-item details {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.faq-question {
  position: relative;
  display: block;
  min-height: 44px;
  padding: 1rem 3rem 1rem 1.1rem;
  color: var(--ink);
  font-weight: 620;
  cursor: pointer;
}

.faq-question::-webkit-details-marker {
  display: none;
}

.faq-question::after {
  content: "+";
  position: absolute;
  top: 50%;
  right: 1.15rem;
  color: var(--accent);
  font-weight: 700;
  transform: translateY(-50%);
}

details[open] .faq-question::after {
  content: "–";
}

.faq-answer {
  max-width: 44rem;
  padding: 0 1.1rem 1.1rem;
  color: var(--ink-muted);
}

/* ---------- Sedes y contacto ---------- */

.office-list {
  display: grid;
  gap: 1rem;
  margin-top: 1.6rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr));
}

.office {
  padding: 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface);
}

.office-name {
  font-weight: 680;
  letter-spacing: 0.01em;
}

.office-line {
  display: grid;
  gap: 0.1rem;
  margin-top: 0.7rem;
}

.office-label {
  color: var(--ink-muted);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

.office-link {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}

.office-link:hover {
  border-bottom-color: var(--accent);
  color: var(--accent);
}

/* ---------- Prosa (aviso legal) ---------- */

.prose {
  display: grid;
  gap: 1.5rem;
  margin-top: 1.6rem;
}

.prose-title {
  font-size: 1.04rem;
  font-weight: 680;
}

.prose-block p {
  max-width: 46rem;
  margin-top: 0.5rem;
  color: var(--ink-muted);
}

/* ---------- Pie ---------- */

.site-footer {
  margin-top: 0;
  padding-block: clamp(2.5rem, 6vw, 4rem) 1.5rem;
  border-top: 1px solid var(--line-soft);
  background: var(--bg-alt);
}

.footer-grid {
  display: grid;
  gap: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 14rem), 1fr));
}

.footer-brand {
  color: var(--ink);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.footer-tagline {
  margin-top: 0.5rem;
  color: var(--ink-muted);
  font-size: 0.92rem;
}

.footer-heading {
  color: var(--accent);
  font-size: 0.74rem;
  font-weight: 650;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.footer-list {
  display: grid;
  gap: 0.1rem;
  margin-top: 0.6rem;
}

.footer-list a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--ink-muted);
  font-size: 0.94rem;
  text-decoration: none;
}

.footer-list a:hover {
  color: var(--ink);
}

.footer-legal {
  display: grid;
  gap: 0.2rem;
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid var(--line-soft);
  color: var(--ink-muted);
  font-size: 0.84rem;
}

.footer-note a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--accent);
}

/* ---------- Selector de idioma (raíz) ---------- */

.page-root main {
  display: grid;
  align-items: center;
  min-height: 60vh;
  padding-block: 3rem;
  background:
    radial-gradient(900px 420px at 15% 0%, rgba(86, 224, 192, 0.16), transparent 70%),
    radial-gradient(700px 420px at 95% 100%, rgba(74, 125, 255, 0.14), transparent 70%),
    var(--bg);
}

.root-wrap {
  max-width: 34rem;
}

.root-kicker {
  color: var(--accent);
  font-size: 0.76rem;
  font-weight: 650;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.root-title {
  margin-top: 0.9rem;
  font-size: clamp(2rem, 1.4rem + 2.6vw, 2.9rem);
  font-weight: 760;
  letter-spacing: -0.022em;
  line-height: 1.1;
  text-wrap: balance;
}

.root-lead {
  margin-top: 1rem;
  color: var(--ink-muted);
}

.root-langs {
  display: grid;
  gap: 0.75rem;
  margin-top: 2rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
}

.button-lang {
  width: 100%;
  min-height: 56px;
  font-size: 1.02rem;
}

.root-note {
  margin-top: 1.5rem;
  color: var(--ink-muted);
  font-size: 0.9rem;
}

/* ---------- 404 ---------- */

.page-404 main {
  display: grid;
  align-items: center;
  min-height: 60vh;
  padding-block: 3rem;
}

.error-wrap {
  max-width: 38rem;
}

.error-code {
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 650;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.error-title {
  margin-top: 0.8rem;
  font-size: clamp(1.8rem, 1.3rem + 2.2vw, 2.6rem);
  font-weight: 760;
  letter-spacing: -0.02em;
  line-height: 1.12;
}

.error-lead {
  margin-top: 0.9rem;
  color: var(--ink-muted);
}

.error-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.8rem;
}

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

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

@media (max-width: 30rem) {
  :root {
    --gutter: 2rem;
  }

  .header-inner {
    justify-content: flex-start;
  }

  .primary-nav {
    order: 3;
    width: 100%;
  }

  .nav-list a {
    padding: 0 0.5rem;
    font-size: 0.88rem;
  }
}