/* ==========================================================================
   Synkorai — Sistema de diseño
   Tokens → base → layout → componentes → secciones → utilidades
   ========================================================================== */

/* ------------------------------------------------- 0. Tipografías (locales)
   Autoalojadas tras la auditoría (RGPD: sin conexión a Google) — lote 4. */
@font-face {
  font-family: "Fraunces";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/assets/fonts/fraunces-normal-400_600.woff2") format("woff2");
}
@font-face {
  font-family: "Fraunces";
  font-style: italic;
  font-weight: 400;
  font-display: swap;
  src: url("/assets/fonts/fraunces-italic-400.woff2") format("woff2");
}
@font-face {
  font-family: "Inter";
  font-style: normal;
  font-weight: 400 600;
  font-display: swap;
  src: url("/assets/fonts/inter-400-600.woff2") format("woff2");
}

/* --------------------------------------------------------------- 1. Tokens */
:root {
  color-scheme: light dark;

  /* Color */
  --bg: #f9f8f6;
  --bg-alt: #f2f0ec;
  --surface: #ffffff;
  --ink: #141414;
  --ink-soft: #3d3d3a;
  --ink-muted: #6d6d66;
  --line: rgba(20, 20, 20, 0.12);
  --line-strong: rgba(20, 20, 20, 0.22);

  /* Acento de marca */
  --accent: #1a6de0;
  --accent-ink: #0f4ba3;
  --accent-soft: rgba(26, 109, 224, 0.35);
  --line-field: rgba(20, 20, 20, 0.45);

  /* Nodos del símbolo (sobrios, tono Google/Apple) */
  --node-1: #1a6de0;
  --node-2: #1e8e3e;
  --node-3: #d99000;
  --node-4: #c5382c;

  /* Tipografía */
  --font-display: "Fraunces", "Iowan Old Style", Georgia, serif;
  --font-sans: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;

  --fs-display: clamp(2.6rem, 1.4rem + 5vw, 5rem);
  --fs-h2: clamp(2rem, 1.25rem + 3.1vw, 3.75rem);
  --fs-h3: clamp(1.3rem, 1.12rem + 0.75vw, 1.75rem);
  --fs-lead: clamp(1.06rem, 0.99rem + 0.42vw, 1.3rem);
  --fs-body: clamp(1rem, 0.97rem + 0.16vw, 1.0625rem);
  --fs-small: 0.9375rem;
  --fs-label: 0.75rem;

  /* Espaciado */
  --sp-1: 0.25rem;
  --sp-2: 0.5rem;
  --sp-3: 0.75rem;
  --sp-4: 1rem;
  --sp-5: 1.5rem;
  --sp-6: 2rem;
  --sp-7: 3rem;
  --sp-8: 4rem;
  --sp-9: 6rem;
  --section: clamp(4.5rem, 3rem + 7vw, 9.5rem);
  --gutter: clamp(1.25rem, 0.5rem + 3vw, 3rem);
  --maxw: 1280px;
  --maxw-text: 62ch;

  /* Formas y movimiento */
  --r-sm: 10px;
  --r: 16px;
  --r-lg: 26px;
  --r-full: 999px;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 180ms;
  --dur: 340ms;
  --dur-slow: 720ms;
  --shadow: 0 1px 2px rgba(20, 20, 20, 0.04), 0 12px 40px -16px rgba(20, 20, 20, 0.18);
}

/* ----------------------------------------------------------------- 2. Base */
*,
*::before,
*::after { box-sizing: border-box; }

html {
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: var(--fs-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

body.is-locked { overflow: hidden; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 0;
  text-wrap: balance;
}

h1 { font-size: var(--fs-display); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); line-height: 1.14; }

p { margin: 0; text-wrap: pretty; }

a { color: inherit; text-decoration-thickness: 1px; text-underline-offset: 0.22em; }

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

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

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

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

.skip-link {
  position: absolute;
  left: var(--sp-4);
  top: var(--sp-4);
  z-index: 200;
  transform: translateY(-200%);
  background: var(--ink);
  color: var(--bg);
  padding: 0.75rem 1.25rem;
  border-radius: var(--r-full);
  font-size: var(--fs-small);
  text-decoration: none;
  transition: transform var(--dur) var(--ease);
}
.skip-link:focus { transform: translateY(0); }

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

/* --------------------------------------------------------------- 3. Layout */
.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section); }
.section--tight { padding-block: clamp(3rem, 2rem + 4vw, 5.5rem); }
.section--alt { background: var(--bg-alt); }

.section-head {
  display: grid;
  gap: var(--sp-5);
  grid-template-columns: 1fr;
  align-items: end;
  margin-bottom: clamp(2.5rem, 1.5rem + 3vw, 4.5rem);
}
@media (min-width: 900px) {
  .section-head { grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr); gap: var(--sp-7); }
}
.section-head p { color: var(--ink-muted); max-width: 46ch; }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: var(--fs-label);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ink-muted);
  font-weight: 500;
  margin-bottom: var(--sp-4);
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--line-strong);
}

/* ----------------------------------------------------------- 4. Componentes */
/* Botones */
.btn {
  --btn-bg: var(--ink);
  --btn-ink: var(--bg);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 48px;
  padding: 0.85rem 1.5rem;
  border: 1px solid transparent;
  border-radius: var(--r-full);
  background: var(--btn-bg);
  color: var(--btn-ink);
  font: inherit;
  font-size: var(--fs-small);
  font-weight: 500;
  letter-spacing: -0.01em;
  text-decoration: none;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease), background-color var(--dur-fast) var(--ease),
    color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }
.btn .btn-arrow { transition: transform var(--dur) var(--ease); }
.btn:hover .btn-arrow { transform: translateX(4px); }

.btn--accent { --btn-bg: var(--accent); --btn-ink: #fff; }
.btn--accent:hover { --btn-bg: var(--accent-ink); }

.btn--ghost {
  --btn-bg: transparent;
  --btn-ink: var(--ink);
  border-color: var(--line-strong);
}
.btn--ghost:hover { --btn-bg: var(--ink); --btn-ink: var(--bg); border-color: var(--ink); }

.btn:disabled {
  opacity: 0.55;
  cursor: default;
  transform: none;
  pointer-events: none;
}

.btn--sm { min-height: 42px; padding: 0.55rem 1.15rem; }
.btn--block { width: 100%; }

/* Enlace con subrayado animado */
.link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-size: var(--fs-small);
  font-weight: 500;
  text-decoration: none;
  padding-block: 0.35rem;
  border-bottom: 1px solid var(--line-strong);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}
.link-arrow svg { transition: transform var(--dur) var(--ease); }
.link-arrow:hover { color: var(--accent); border-color: var(--accent); }
.link-arrow:hover svg { transform: translateX(4px); }

/* Etiquetas */
.tag {
  display: inline-flex;
  align-items: center;
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--line);
  border-radius: var(--r-full);
  font-size: 0.75rem;
  letter-spacing: 0.02em;
  color: var(--ink-muted);
  background: color-mix(in srgb, var(--surface) 70%, transparent);
}

.badge-edit {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.6875rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--ink-muted);
  border: 1px dashed var(--line-strong);
  border-radius: var(--r-full);
  padding: 0.25rem 0.6rem;
}

/* Tarjeta base */
.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  padding: clamp(1.5rem, 1rem + 1.5vw, 2.25rem);
}

/* Símbolo animado (anillos sincronizados) */
.sync-mark { display: block; }
/* El giro de los anillos se aplica con el atributo SVG transform="rotate(a 240 240)"
   desde main.js: así el centro de rotación es siempre el del viewBox (240,240) y no
   depende del soporte de transform-box en el navegador. */
.sync-mark .ring-arc { fill: none; stroke-linecap: round; }

/* Letras del nombre montadas en los anillos. Cada <text> se sitúa en el origen y
   main.js la coloca con transform="translate(x y) rotate(a) scale(s)". */
.sync-letters text {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 46px;
  letter-spacing: 0;
  fill: var(--ink);
  text-anchor: middle;
  dominant-baseline: central;
  user-select: none;
  /* Halo del color del fondo: al formarse la palabra, los arcos no la ensucian.
     El grosor lo interpola main.js (0 cuando las letras van sobre los anillos). */
  paint-order: stroke fill;
  stroke: var(--bg);
  stroke-width: 0;
  stroke-linejoin: round;
}
.sync-mark .core { transition: opacity var(--dur) var(--ease); }

/* -------------------------------------------------------------- 5. Cabecera */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease),
    backdrop-filter var(--dur) var(--ease);
}
.header.is-stuck {
  background: rgba(249, 248, 246, 0.85);
  background: color-mix(in srgb, var(--bg) 82%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  border-bottom-color: var(--line);
}
.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  min-height: 72px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  font-family: var(--font-display);
  font-size: 1.3rem;
  font-weight: 600;
  letter-spacing: -0.03em;
}
.brand img { flex: none; }

.nav { display: none; }
@media (min-width: 1000px) {
  .nav { display: flex; align-items: center; gap: clamp(1rem, 2vw, 2rem); }
}
.nav a {
  font-size: var(--fs-small);
  text-decoration: none;
  color: var(--ink-soft);
  padding-block: 0.35rem;
  position: relative;
  transition: color var(--dur-fast) var(--ease);
}
.nav a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%; height: 1px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--dur) var(--ease);
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { transform: scaleX(1); transform-origin: left; }

.header__actions { display: flex; align-items: center; gap: var(--sp-3); }
.header__cta { display: none; }
@media (min-width: 700px) { .header__cta { display: inline-flex; } }

/* Selector de idioma (ES/EN): discreto, alineado con el estilo de .nav */
.lang-switch {
  font-size: var(--fs-small);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-decoration: none;
  color: var(--ink-soft);
  padding: 0.35rem 0.2rem;
  transition: color var(--dur-fast) var(--ease);
}
.lang-switch:hover { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }

.menu-toggle {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 44px;
  padding: 0.5rem 1rem;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-full);
  font: inherit;
  font-size: var(--fs-small);
  cursor: pointer;
}
.menu-toggle:hover { background: var(--surface); border-color: var(--ink); }
@media (min-width: 1000px) { .menu-toggle { display: none; } }
.menu-toggle__bars { display: grid; gap: 4px; }
.menu-toggle__bars span {
  display: block;
  width: 16px; height: 1.5px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:first-child { transform: translateY(2.75px) rotate(45deg); }
.menu-toggle[aria-expanded="true"] .menu-toggle__bars span:last-child { transform: translateY(-2.75px) rotate(-45deg); }

/* Panel móvil */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: 99;
  background: var(--bg);
  padding: 6rem var(--gutter) var(--sp-7);
  display: flex;
  flex-direction: column;
  gap: var(--sp-6);
  overflow-y: auto;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur);
}
.mobile-nav[data-open="true"] { opacity: 1; visibility: visible; transform: none; }
.mobile-nav ul { display: grid; gap: var(--sp-2); }
.mobile-nav a {
  display: block;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 1.2rem + 3vw, 2.5rem);
  letter-spacing: -0.03em;
  text-decoration: none;
}
.mobile-nav__meta { color: var(--ink-muted); font-size: var(--fs-small); display: grid; gap: 0.35rem; }
.mobile-nav__meta a { font: inherit; font-family: var(--font-sans); border: 0; padding: 0; }

/* ------------------------------------------------------------------ 6. Hero */
.hero { padding-block: clamp(2.5rem, 1rem + 6vw, 5rem) clamp(3rem, 2rem + 5vw, 7rem); position: relative; }
.hero__grid {
  display: grid;
  gap: clamp(2.5rem, 1rem + 5vw, 4rem);
  align-items: start;
  margin-top: clamp(2rem, 1rem + 3vw, 3.5rem);
}
@media (min-width: 1000px) {
  .hero__grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr); align-items: center; }
}
.hero h1 { margin-bottom: 0; }
.hero__figure { display: grid; gap: var(--sp-4); justify-items: center; }
.hero__hint {
  font-size: 0.75rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink-muted);
  transition: opacity var(--dur) var(--ease);
}
.hero__figure:has([data-sync="true"]) .hero__hint { opacity: 0; }
.hero h1 em {
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}
.hero__lead {
  font-size: var(--fs-lead);
  color: var(--ink-soft);
  max-width: 52ch;
  margin-bottom: var(--sp-6);
}
.hero__actions { display: flex; flex-wrap: wrap; gap: var(--sp-3); margin-bottom: var(--sp-6); }
.hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2) var(--sp-5);
  font-size: var(--fs-small);
  color: var(--ink-muted);
}
.hero__meta span { display: inline-flex; align-items: center; gap: 0.5rem; }
.dot-live {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--node-2);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--node-2) 18%, transparent);
}

/* Escenario del símbolo */
.hero__visual {
  position: relative;
  display: grid;
  place-items: center;
  aspect-ratio: 1 / 1;
  max-width: 560px;
  width: 100%;
  margin-inline: auto;
  border-radius: 50%;
  cursor: pointer;
  touch-action: manipulation;
}
/* Sin degradado de fondo: el halo de las letras usa el color plano de la página
   y cualquier tinte por debajo dejaría un cerco visible alrededor del texto. */
.hero__visual .sync-mark { width: 100%; height: auto; }
/* Al sincronizar, la palabra ocupa el centro: el punto central se retira. */
#sync-core { transition: opacity var(--dur) var(--ease), fill var(--dur) var(--ease); }
.hero__visual[data-sync="true"] #sync-core { opacity: 0; }

/* --------------------------------------------------------------- 7. Marquee */
.marquee {
  --marquee-duration: 46s;
  overflow: hidden;
  padding-block: var(--sp-5);
  border-block: 1px solid var(--line);
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.marquee__track {
  display: flex;
  width: max-content;
  gap: clamp(2rem, 4vw, 4rem);
  animation: marquee var(--marquee-duration) linear infinite;
}
.marquee:hover .marquee__track { animation-play-state: paused; }
.marquee__item {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-size: clamp(0.95rem, 0.9rem + 0.3vw, 1.15rem);
  color: var(--ink-soft);
  white-space: nowrap;
  letter-spacing: -0.01em;
}
.marquee__item::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--line-strong);
}
@keyframes marquee { to { transform: translateX(-50%); } }

.clients {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
  margin-top: var(--sp-6);
}
@media (min-width: 640px) { .clients { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1000px) { .clients { grid-template-columns: repeat(6, minmax(0, 1fr)); } }
.clients li {
  background: var(--bg);
  display: grid;
  place-items: center;
  min-height: 88px;
  padding: var(--sp-4);
  font-size: var(--fs-small);
  color: var(--ink-muted);
  letter-spacing: 0.02em;
}

/* ------------------------------------------------------------- 8. Proyectos */
.projects { display: grid; gap: clamp(1.25rem, 0.5rem + 2vw, 2rem); }
@media (min-width: 860px) { .projects { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.project {
  position: relative;
  display: flex;
  flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: transform var(--dur) var(--ease), box-shadow var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}
.project:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: var(--line-strong); }
.project:focus-within { box-shadow: var(--shadow); }
.project__media {
  aspect-ratio: 16 / 11;
  background: var(--bg-alt);
  overflow: hidden;
}
.project__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease); }
.project:hover .project__media img { transform: scale(1.03); }
.project__body { display: flex; flex-direction: column; gap: var(--sp-4); padding: clamp(1.35rem, 1rem + 1.2vw, 2rem); flex: 1; }
.project__top { display: flex; align-items: baseline; justify-content: space-between; gap: var(--sp-4); }
.project__sector { font-size: var(--fs-label); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); }
.project h3 a { text-decoration: none; }
.project h3 a::after { content: ""; position: absolute; inset: 0; }
.project p { color: var(--ink-muted); font-size: var(--fs-small); }
.project__services { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-top: auto; }
.project__result {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding-top: var(--sp-4);
  border-top: 1px solid var(--line);
  font-size: var(--fs-small);
}
.project__result strong { font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; letter-spacing: -0.02em; }

/* -------------------------------------------------------------- 9. Servicios */
.services { border-top: 1px solid var(--line); }
.service {
  display: grid;
  gap: var(--sp-4) var(--sp-6);
  padding-block: clamp(1.75rem, 1rem + 2.5vw, 3rem);
  border-bottom: 1px solid var(--line);
  align-items: start;
  transition: background-color var(--dur) var(--ease);
}
@media (min-width: 900px) {
  .service { grid-template-columns: 5.5rem minmax(0, 1fr) minmax(0, 1fr) auto; align-items: center; }
}
.service:hover { background: color-mix(in srgb, var(--surface) 60%, transparent); }
.service__num {
  font-family: var(--font-display);
  font-size: var(--fs-small);
  color: var(--ink-muted);
  letter-spacing: 0.08em;
}
.service h3 { max-width: 18ch; }
.service__desc { color: var(--ink-muted); font-size: var(--fs-small); }
.service__desc ul { display: grid; gap: 0.35rem; margin-top: var(--sp-4); }
.service__desc li { display: flex; gap: 0.6rem; align-items: baseline; }
.service__desc li::before {
  content: "";
  flex: none;
  width: 5px; height: 5px;
  border-radius: 50%;
  border: 1px solid var(--accent);
  transform: translateY(-2px);
}

/* --------------------------------------------------------------- 10. Método */
.steps { display: grid; gap: var(--sp-5); counter-reset: step; }
@media (min-width: 760px) { .steps { grid-template-columns: repeat(2, minmax(0, 1fr)); } }
@media (min-width: 1100px) { .steps { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.step { position: relative; display: grid; gap: var(--sp-3); align-content: start; }
.step__mark { margin-bottom: var(--sp-2); }
.step h3 { font-size: clamp(1.15rem, 1.05rem + 0.4vw, 1.4rem); }
.step p { color: var(--ink-muted); font-size: var(--fs-small); }
.step dl { display: grid; gap: 0.25rem; font-size: var(--fs-small); margin: var(--sp-2) 0 0; }
.step dt { font-size: var(--fs-label); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); }
.step dd { margin: 0; }

/* --------------------------------------------------------- 11. Colaboración */
.plans { display: grid; gap: var(--sp-5); }
@media (min-width: 860px) { .plans { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.plan { display: flex; flex-direction: column; gap: var(--sp-4); align-items: flex-start; }
.plan > * { width: 100%; }
.plan .tag { width: auto; }
.plan--featured { border-color: var(--ink); background: var(--ink); color: var(--bg); }
.plan--featured .plan__for, .plan--featured ul { color: color-mix(in srgb, var(--bg) 72%, transparent); }
.plan--featured .tag { border-color: rgba(249, 248, 246, 0.3); color: var(--bg); background: transparent; }
.plan--featured .btn--ghost { --btn-ink: var(--bg); border-color: rgba(249, 248, 246, 0.4); }
.plan--featured .btn--ghost:hover { --btn-bg: var(--bg); --btn-ink: var(--ink); }
.plan h3 { font-size: clamp(1.2rem, 1.1rem + 0.5vw, 1.5rem); }
.plan__for { font-size: var(--fs-small); color: var(--ink-muted); }
.plan ul { display: grid; gap: 0.5rem; font-size: var(--fs-small); color: var(--ink-muted); }
.plan ul li { display: flex; gap: 0.6rem; }
.plan ul li::before { content: "—"; flex: none; opacity: 0.5; }
.plan .btn { margin-top: auto; }

/* ---------------------------------------------------------- 12. Testimonios */
.metrics {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r);
  overflow: hidden;
}
@media (min-width: 760px) { .metrics { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.metric { background: var(--bg); padding: clamp(1.5rem, 1rem + 2vw, 2.5rem); display: grid; gap: 0.35rem; }
.metric__value { font-family: var(--font-display); font-size: clamp(2.25rem, 1.5rem + 3vw, 3.5rem); font-weight: 600; letter-spacing: -0.03em; line-height: 1; }
.metric__label { font-size: var(--fs-small); color: var(--ink-muted); max-width: 30ch; }

.carousel { position: relative; }
.carousel__viewport {
  display: grid;
  grid-auto-flow: column;
  /* Tamaño base fijo, no minmax(): con un máximo flexible el grid encoge las pistas
     para que quepan todas y el carrusel deja de desplazarse. */
  grid-auto-columns: 86%;
  gap: var(--sp-5);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scrollbar-width: none;
  padding-bottom: var(--sp-2);
}
.carousel__viewport::-webkit-scrollbar { display: none; }
@media (min-width: 760px) { .carousel__viewport { grid-auto-columns: 47%; } }
.quote {
  margin: 0; /* el margen UA de <figure> descuadraba el snap (A4-2) */
  scroll-snap-align: start;
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  min-width: 0;
}
.quote blockquote { margin: 0; font-family: var(--font-display); font-size: clamp(1.15rem, 1rem + 0.9vw, 1.6rem); line-height: 1.28; letter-spacing: -0.02em; }
.quote figcaption { display: flex; align-items: center; gap: var(--sp-3); margin-top: auto; font-size: var(--fs-small); color: var(--ink-muted); }
.quote__avatar {
  width: 40px; height: 40px;
  flex: none;
  border-radius: 50%;
  background: var(--bg-alt);
  border: 1px solid var(--line);
  display: grid;
  place-items: center;
  font-size: 0.75rem;
  color: var(--ink-muted);
}
.carousel__controls { display: flex; gap: var(--sp-2); margin-top: var(--sp-5); }
.carousel__btn {
  width: 48px; height: 48px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line-strong);
  border-radius: 50%;
  background: transparent;
  color: var(--ink);
  cursor: pointer;
  transition: background-color var(--dur-fast) var(--ease), color var(--dur-fast) var(--ease);
}
.carousel__btn:hover:not(:disabled) { background: var(--ink); color: var(--bg); }
.carousel__btn:disabled { opacity: 0.35; cursor: default; }

/* ------------------------------------------------------------- 13. Artículos */
.posts { display: grid; gap: var(--sp-5); }
@media (min-width: 800px) { .posts { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
.post { position: relative; display: flex; flex-direction: column; gap: var(--sp-4); }
.post__media { border-radius: var(--r); overflow: hidden; border: 1px solid var(--line); aspect-ratio: 4 / 3; background: var(--bg-alt); }
.post__media img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--dur-slow) var(--ease); }
.post:hover .post__media img { transform: scale(1.04); }
.post__meta { display: flex; gap: var(--sp-3); font-size: var(--fs-label); letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink-muted); }
.post h3, .post .post__titulo { font-size: clamp(1.1rem, 1rem + 0.5vw, 1.35rem); }
.post h3 a, .post .post__titulo a { text-decoration: none; }
.post h3 a::after, .post .post__titulo a::after { content: ""; position: absolute; inset: 0; }
.post p { font-size: var(--fs-small); color: var(--ink-muted); }

/* ------------------------------------------------------------------ 14. FAQ */
.faq-grid { display: grid; gap: var(--sp-6); }
@media (min-width: 960px) { .faq-grid { grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr); gap: var(--sp-8); } }
.faq { border-top: 1px solid var(--line); }
.faq details { border-bottom: 1px solid var(--line); }
.faq summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block: clamp(1.1rem, 0.9rem + 0.7vw, 1.6rem);
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 0.98rem + 0.45vw, 1.3rem);
  letter-spacing: -0.02em;
  min-height: 48px;
}
.faq summary:hover { color: var(--accent-ink); }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "";
  flex: none;
  width: 14px; height: 14px;
  margin-top: 0.3rem;
  background: currentColor;
  transition: transform var(--dur) var(--ease);
  clip-path: polygon(45% 0, 55% 0, 55% 45%, 100% 45%, 100% 55%, 55% 55%, 55% 100%, 45% 100%, 45% 55%, 0 55%, 0 45%, 45% 45%);
}
.faq details[open] summary::after { transform: rotate(135deg); }
.faq__answer { padding-bottom: var(--sp-5); color: var(--ink-muted); max-width: 60ch; font-size: var(--fs-small); }

/* ------------------------------------------------------------ 15. Contacto */
.contact-grid { display: grid; gap: var(--sp-7); }
@media (min-width: 960px) { .contact-grid { grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr); gap: var(--sp-8); } }
.contact-aside { display: grid; gap: var(--sp-5); align-content: start; }
.contact-aside dl { display: grid; gap: var(--sp-4); }
.contact-aside dt { font-size: var(--fs-label); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); }
.contact-aside dd { margin: 0; font-size: var(--fs-lead); font-family: var(--font-display); letter-spacing: -0.02em; }
.contact-aside dd a { text-decoration: none; border-bottom: 1px solid var(--line-strong); }
.contact-aside dd a:hover { color: var(--accent); border-color: var(--accent); }

.form { display: grid; gap: var(--sp-5); }
.field { display: grid; gap: 0.45rem; align-content: start; }
.field label { font-size: var(--fs-small); font-weight: 500; }
.field .hint { font-size: 0.8125rem; color: var(--ink-muted); }
.field input,
.field select,
.field textarea {
  width: 100%;
  min-height: 48px;
  padding: 0.8rem 1rem;
  font: inherit;
  font-size: var(--fs-small);
  color: var(--ink);
  background: var(--surface);
  border: 1px solid var(--line-field);
  border-radius: var(--r-sm);
  transition: border-color var(--dur-fast) var(--ease), box-shadow var(--dur-fast) var(--ease);
}
.field textarea { min-height: 140px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field[data-invalid="true"] input,
.field[data-invalid="true"] select,
.field[data-invalid="true"] textarea { border-color: var(--node-4); }
.field__error { font-size: 0.8125rem; color: var(--node-4); display: flex; gap: 0.4rem; align-items: baseline; min-height: 0; }
.field__error:empty { display: none; }
.field__error::before { content: "!"; font-weight: 600; }

.form__row { display: grid; gap: var(--sp-5); }
@media (min-width: 640px) { .form__row { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

.checkbox { display: flex; gap: 0.75rem; align-items: flex-start; font-size: var(--fs-small); color: var(--ink-muted); }
.checkbox input { min-height: auto; width: 20px; height: 20px; flex: none; margin-top: 2px; accent-color: var(--accent); }
.checkbox input:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
  box-shadow: none;
}

.form__status {
  font-size: var(--fs-small);
  padding: var(--sp-4);
  border-radius: var(--r-sm);
  border: 1px solid var(--line);
  background: var(--surface);
}
.form__status:empty { display: none; }
.form__status[data-state="success"] { border-color: var(--node-2); background: #f1f8f2; background: color-mix(in srgb, var(--node-2) 7%, var(--surface)); }
.form__status[data-state="error"] { border-color: var(--node-4); background: #fdf3f2; background: color-mix(in srgb, var(--node-4) 7%, var(--surface)); }
.hp-field { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }

/* --------------------------------------------------------------- 16. CTA final */
.cta-final { background: var(--ink); color: var(--bg); border-radius: var(--r-lg); padding: clamp(2.5rem, 1.5rem + 5vw, 6rem) clamp(1.5rem, 1rem + 3vw, 4rem); text-align: center; display: grid; justify-items: center; gap: var(--sp-5); }
.cta-final h2 { max-width: 18ch; }
.cta-final p { color: color-mix(in srgb, var(--bg) 70%, transparent); max-width: 48ch; }
.cta-final .btn { --btn-bg: var(--bg); --btn-ink: var(--ink); }
.cta-final .btn:hover { --btn-bg: var(--accent); --btn-ink: #fff; }

/* ------------------------------------------------------------------ 17. Footer */
.footer { border-top: 1px solid var(--line); padding-block: var(--sp-8) var(--sp-6); }
.footer__grid { display: grid; gap: var(--sp-6); }
@media (min-width: 760px) { .footer__grid { grid-template-columns: minmax(0, 1.4fr) repeat(3, minmax(0, 1fr)); gap: var(--sp-7); } }
.footer h2, .footer h3 { font-family: var(--font-sans); font-size: var(--fs-label); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); font-weight: 500; margin-bottom: var(--sp-4); }
.footer ul { display: grid; gap: 0.6rem; font-size: var(--fs-small); }
.footer ul a { text-decoration: none; color: var(--ink-soft); transition: color var(--dur-fast) var(--ease); }
.footer ul a:hover { color: var(--accent); }
.footer__brand p { font-size: var(--fs-small); color: var(--ink-muted); max-width: 34ch; margin-top: var(--sp-4); }
.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-5);
  justify-content: space-between;
  align-items: center;
  margin-top: var(--sp-7);
  padding-top: var(--sp-5);
  border-top: 1px solid var(--line);
  font-size: 0.8125rem;
  color: var(--ink-muted);
}
.footer__bottom ul { display: flex; flex-wrap: wrap; gap: var(--sp-4); }

/* ------------------------------------------------------- 18. Páginas internas */
.page-hero { padding-block: clamp(3rem, 2rem + 5vw, 6rem) clamp(2rem, 1.5rem + 3vw, 4rem); }
.page-hero h1 { max-width: 20ch; margin-bottom: var(--sp-5); }
.page-hero p { font-size: var(--fs-lead); color: var(--ink-soft); max-width: 58ch; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 0.5rem; font-size: var(--fs-small); color: var(--ink-muted); margin-bottom: var(--sp-5); }
.breadcrumb a { text-decoration: none; }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb li + li::before { content: "/"; margin-right: 0.5rem; opacity: 0.5; }
.breadcrumb ol { display: flex; flex-wrap: wrap; gap: 0.5rem; }

.prose { max-width: var(--maxw-text); display: grid; gap: var(--sp-5); }
.prose h2 { font-size: clamp(1.5rem, 1.2rem + 1.4vw, 2.25rem); margin-top: var(--sp-5); }
.prose h3 { font-size: clamp(1.15rem, 1.05rem + 0.6vw, 1.4rem); margin-top: var(--sp-3); }
.prose p, .prose li { color: var(--ink-soft); }
.prose ul { display: grid; gap: 0.65rem; }
.prose ul li { display: flex; gap: 0.75rem; }
.prose ul li::before { content: ""; flex: none; width: 6px; height: 6px; margin-top: 0.65em; border-radius: 50%; background: var(--accent); }
.prose strong { font-weight: 600; color: var(--ink); }
.prose a { color: var(--accent-ink); }

.case-facts { display: grid; gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; margin-block: var(--sp-6); }
@media (min-width: 700px) { .case-facts { grid-template-columns: repeat(4, minmax(0, 1fr)); } }
.case-facts div { background: var(--bg); padding: var(--sp-5); display: grid; gap: 0.35rem; }
.case-facts dt { font-size: var(--fs-label); letter-spacing: 0.12em; text-transform: uppercase; color: var(--ink-muted); }
.case-facts dd { margin: 0; font-size: var(--fs-small); }

/* ------------------------------------------------------------- 19. Animación */
[data-reveal] {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity var(--dur-slow) var(--ease), transform var(--dur-slow) var(--ease);
  transition-delay: var(--reveal-delay, 0ms);
}
[data-reveal].is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
  }
  [data-reveal] { opacity: 1; transform: none; }
  .marquee__track { animation: none; transform: none; }
}


/* ------------------------------------------------------- 20. Modo oscuro
   Mejora 7 de auditoría. Solo se redefinen tokens; los componentes que son
   "siempre oscuros" (CTA final, plan destacado) fijan sus propios tokens en
   local para conservar el aspecto aprobado en ambos modos. */
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #151514;
    --bg-alt: #1d1c1a;
    --surface: #201f1d;
    --ink: #f3f1ed;
    --ink-soft: #cfccc5;
    --ink-muted: #a29e95;
    --line: rgba(249, 248, 246, 0.14);
    --line-strong: rgba(249, 248, 246, 0.28);
    --line-field: rgba(249, 248, 246, 0.45);
    --accent: #6ba1ec;
    --accent-ink: #9dc0f5;
    --accent-soft: rgba(107, 161, 236, 0.4);
    --shadow: 0 1px 2px rgba(0, 0, 0, 0.4), 0 12px 40px -16px rgba(0, 0, 0, 0.6);
  }

  .header.is-stuck {
    background: rgba(21, 21, 20, 0.85);
    background: color-mix(in srgb, var(--bg) 82%, transparent);
  }

  /* Superficies que deben seguir siendo oscuras con texto claro. */
  .cta-final,
  .plan--featured {
    --ink: #141414;
    --bg: #f9f8f6;
  }

  /* Los botones de acento conservan el azul de marca (blanco encima: 4,87:1). */
  .btn--accent { --btn-bg: #1a6de0; }
  .btn--accent:hover { --btn-bg: #0f4ba3; }

  .form__status[data-state="success"] { background: #1a2b1e; }
  .form__status[data-state="error"] { background: #2f1a17; }

  /* Las ilustraciones llevan fondo claro interno: se enmarcan como imágenes. */
  .project__media, .post__media { background: #f2f0ec; }
}