/* =========================================================
   PAS ROBOTICS — Hoja de estilos principal
   Paleta corporativa:
   - Azul: #6FB7DB
   - Negro: #000000
   - Gris claro: #F4F6F8
   Tipografía: Inter (self-hosted)
   ========================================================= */

/* ============= LANDING PAGES (por marca) ============= */
.lp-hero {
  position: relative;
  min-height: 70vh;
  display: flex;
  align-items: center;
  color: #fff;
  overflow: hidden;
  padding-top: calc(var(--header-height) + 40px);
  padding-bottom: 60px;
}
.lp-hero__bg { position: absolute; inset: 0; background-size: cover; background-position: center; background-color: #1a1a1a; }
.lp-hero__overlay { position: absolute; inset: 0; background: rgba(0,0,0,0.72); }
.lp-hero__content { position: relative; z-index: 2; max-width: 820px; }
.lp-hero h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; margin-bottom: 20px; line-height: 1.1; letter-spacing: -0.02em; }
.lp-hero__subtitle { font-size: clamp(1.05rem, 2vw, 1.3rem); margin-bottom: 32px; opacity: 0.95; max-width: 680px; }

.lp-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  color: rgba(255,255,255,0.6);
  margin-bottom: 24px;
}
.lp-breadcrumb a { color: rgba(255,255,255,0.85); }
.lp-breadcrumb a:hover { color: var(--color-blue); }
.lp-breadcrumb span[aria-hidden] { color: rgba(255,255,255,0.4); }

.lp-section { padding: 56px 0; background: var(--color-white); }
.lp-section--dark { background: var(--color-black); color: #fff; position: relative; isolation: isolate; }
.lp-section--dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 40 40'%3E%3Cpath d='M 40 0 L 0 0 0 40' fill='none' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 40%, transparent 100%);
}
.lp-section--dark > .container { position: relative; z-index: 1; }

.lp-intro {
  text-align: center;
  max-width: 720px;
  margin: -24px auto 48px;
  color: var(--color-gray-dark);
  font-size: 1.05rem;
  line-height: 1.7;
}

.lp-specs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.lp-spec {
  padding: 28px 26px;
  background: var(--color-gray-light);
  border-radius: 10px;
  border-top: 3px solid var(--color-blue);
}
.lp-spec h3 { font-size: 1.2rem; color: var(--color-black); margin-bottom: 10px; }
.lp-spec p { color: var(--color-gray-dark); font-size: .95rem; margin: 0; line-height: 1.6; }

/* ---- Tabla de cobertura (controladores/generaciones) ---- */
.lp-table-wrap { overflow-x: auto; margin: 0 auto 44px; max-width: 880px; -webkit-overflow-scrolling: touch; }
.lp-table { width: 100%; border-collapse: collapse; font-size: .95rem; }
.lp-table th, .lp-table td { padding: 13px 16px; text-align: left; border-bottom: 1px solid #e6e9ec; white-space: nowrap; }
.lp-table thead th {
  background: var(--color-black);
  color: #fff;
  font-weight: 600;
  font-size: .82rem;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.lp-table tbody tr:nth-child(even) { background: var(--color-gray-light); }
.lp-table td:first-child { font-weight: 700; color: var(--color-black); }
.lp-table .lp-ok { color: var(--color-blue-dark); font-weight: 600; }
.lp-table .lp-ok::before { content: '✓ '; }

/* ---- Familias de robot ---- */
.lp-subtitle { text-align: center; font-size: 1.3rem; color: var(--color-black); margin: 0 0 24px; }
.lp-families {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 12px;
  max-width: 900px;
  margin: 0 auto;
}
.lp-families li {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 16px;
  background: var(--color-gray-light);
  border-radius: 8px;
  border-left: 3px solid var(--color-blue);
}
.lp-families strong { color: var(--color-black); font-size: .95rem; }
.lp-families span { color: var(--color-gray-dark); font-size: .85rem; }

/* ---- Enlazado interno entre marcas ---- */
.lp-crosslink { text-align: center; max-width: 720px; margin: 36px auto 0; color: var(--color-gray-dark); font-size: 1rem; }
.lp-crosslink a { color: var(--color-blue-dark); font-weight: 600; text-decoration: none; }
.lp-crosslink a:hover { text-decoration: underline; }

.lp-services { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.lp-service {
  padding: 28px 26px;
  background: rgba(255,255,255,0.04);
  border: 1px solid #222;
  border-left: 3px solid var(--color-blue);
  border-radius: 0 10px 10px 0;
  transition: transform var(--transition), background var(--transition);
}
.lp-service:hover { transform: translateY(-3px); background: rgba(111,183,219,0.08); }
.lp-service h3 { font-size: 1.2rem; color: var(--color-blue); margin-bottom: 10px; }
.lp-service p { color: #ccc; font-size: .95rem; margin: 0; line-height: 1.6; }

.lp-cta {
  background: var(--color-black);
  color: #fff;
  text-align: center;
  padding: 80px 0;
  position: relative;
  isolation: isolate;
}
.lp-cta h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); margin-bottom: 16px; color: #fff; }
.lp-cta p { color: #bbb; max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }

@media (max-width: 1024px) {
  .lp-specs { grid-template-columns: 1fr; }
  .lp-services { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .lp-section { padding: 44px 0; }
  .lp-hero { min-height: 60vh; }
}

/* ============= FUENTES SELF-HOSTED ============= */
/* Inter — autohospedada en /fonts/ para eliminar round-trip a Google Fonts
   y reducir FCP/LCP (~870ms según Lighthouse).
   font-display: optional → renderiza con fuente sistema mientras carga la real. */
/* Fallback con métricas ajustadas a Inter — evita el "salto" (CLS) al cargar la fuente real.
   El texto ocupa el mismo espacio con Arial-ajustado que con Inter → cero reflow. */
@font-face {
  font-family: 'Inter Fallback';
  src: local('Arial');
  ascent-override: 90%;
  descent-override: 22.43%;
  line-gap-override: 0%;
  size-adjust: 107.4%;
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 300;
  font-display: optional;
  src: url('../fonts/Inter-Light.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: optional;
  src: url('../fonts/Inter-Regular.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: optional;
  src: url('../fonts/Inter-Medium.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 600;
  font-display: optional;
  src: url('../fonts/Inter-SemiBold.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 700;
  font-display: optional;
  src: url('../fonts/Inter-Bold.woff2') format('woff2');
}
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 800;
  font-display: optional;
  src: url('../fonts/Inter-ExtraBold.woff2') format('woff2');
}

:root {
  --color-blue: #6FB7DB;
  --color-blue-dark: #4F9BBF;
  --color-black: #000000;
  --color-white: #FFFFFF;
  --color-gray-light: #F4F6F8;
  --color-gray: #888888;
  --color-gray-dark: #333333;
  --color-text: #1a1a1a;
  --color-text-light: #FFFFFF;
  --color-error: #d9534f;
  --color-success: #5cb85c;

  --font-base: 'Inter', 'Inter Fallback', -apple-system, BlinkMacSystemFont, 'Segoe UI', Helvetica, Arial, sans-serif;

  --container-max: 1200px;
  --container-pad: 24px;

  --transition: 0.3s ease;
  --radius: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,0.08);

  --header-height: 80px;
}

/* ============= RESET ============= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }

/* ============= SKIP LINK (accesibilidad) ============= */
.skip-link {
  position: absolute;
  top: -100px;
  left: 12px;
  z-index: 10000;
  padding: 12px 18px;
  background: var(--color-blue);
  color: #fff;
  font-weight: 600;
  border-radius: 6px;
  transition: top 0.2s ease;
}
.skip-link:focus {
  top: 12px;
  color: #fff;
  outline: 2px solid #fff;
  outline-offset: 2px;
}

/* ============= REVEAL ON SCROLL =============
   Animación de entrada suave (fade + slide-up).
   Por defecto los elementos están "ocultos" hasta que el observer añade .is-visible.
   Las animaciones quedan desactivadas con prefers-reduced-motion. */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);
  will-change: opacity, transform;
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}
.reveal--delay-1 { transition-delay: 80ms; }
.reveal--delay-2 { transition-delay: 160ms; }
.reveal--delay-3 { transition-delay: 240ms; }
.reveal--delay-4 { transition-delay: 320ms; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1 !important; transform: none !important; transition: none !important; }
}
body {
  margin: 0;
  font-family: var(--font-base);
  color: var(--color-text);
  background: var(--color-white);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-blue); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-blue-dark); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
ul { list-style: none; padding: 0; margin: 0; }
h1, h2, h3, h4 { margin: 0 0 .5em; font-weight: 700; line-height: 1.2; }
p { margin: 0 0 1em; }

/* ============= LAYOUT ============= */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
}

section { padding: 80px 0; }

.section-title {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 48px;
  text-align: center;
  font-weight: 700;
}
.section-title--light { color: var(--color-white); }

/* ============= BUTTONS ============= */
.btn {
  display: inline-block;
  padding: 14px 28px;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--radius);
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  border: 2px solid transparent;
  text-align: center;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-blue);
  color: var(--color-white);
  border-color: var(--color-blue);
}
.btn--primary:hover {
  background: var(--color-blue-dark);
  border-color: var(--color-blue-dark);
  color: var(--color-white);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(111,183,219,0.35);
}
.btn--secondary {
  background: transparent;
  color: var(--color-white);
  border-color: var(--color-white);
}
.btn--secondary:hover {
  background: var(--color-white);
  color: var(--color-black);
}
.btn--large { padding: 18px 36px; font-size: 1.1rem; }

/* ============= HEADER ============= */
.header {
  position: fixed;
  top: 0; left: 0; right: 0;
  height: var(--header-height);
  /* Transparente 70% sobre el hero — se hace sólido al hacer scroll */
  background: rgba(0,0,0,0.7);
  -webkit-backdrop-filter: blur(6px);
  backdrop-filter: blur(6px);
  z-index: 1000;
  transition: background var(--transition), box-shadow var(--transition), backdrop-filter var(--transition);
}
.header.scrolled {
  background: var(--color-black);
  -webkit-backdrop-filter: none;
  backdrop-filter: none;
  box-shadow: 0 2px 16px rgba(0,0,0,0.4);
}
.header__inner {
  display: flex;
  align-items: center;
  height: 100%;
  gap: 24px;
}
.header__logo {
  display: flex;
  align-items: center;
  color: var(--color-white);
  font-weight: 800;
  font-size: 1.25rem;
  letter-spacing: -0.02em;
  flex-shrink: 0;
  margin-right: auto;
}
.header__logo-img {
  height: 62px;
  width: auto;       /* override del width="220" del HTML; el aspect-ratio se preserva */
  display: block;
}
.header__logo-text { color: var(--color-white); }

.header__nav { display: flex; align-items: center; gap: 24px; }
.header__nav-list { display: flex; gap: 26px; }
.header__nav-list a {
  color: var(--color-white);
  font-weight: 500;
  font-size: .95rem;
  position: relative;
  padding: 6px 0;
}
.header__nav-list a:hover { color: var(--color-blue); }
.header__nav-list a::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0;
  width: 0; height: 2px;
  background: var(--color-blue);
  transition: width var(--transition);
}
.header__nav-list a:hover::after { width: 100%; }

.header__lang {
  display: flex;
  gap: 2px;
  /* Pegado a la derecha — orden visual = el último elemento de la nav */
  margin-left: 4px;
  padding-left: 12px;
  border-left: 1px solid rgba(255,255,255,0.15);
}
.lang-btn {
  color: var(--color-white);
  padding: 6px 8px;
  font-size: .8rem;
  font-weight: 600;
  border-radius: 4px;
  opacity: 0.55;
  transition: opacity var(--transition), background var(--transition), color var(--transition);
}
.lang-btn:hover { opacity: 1; }
.lang-btn.active {
  opacity: 1;
  background: rgba(111,183,219,0.2);
  color: var(--color-blue);
}

.header__cta { padding: 10px 18px; font-size: .9rem; }

.header__burger {
  display: none;
  width: 32px; height: 32px;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
}
.header__burger span {
  display: block;
  width: 100%; height: 2px;
  background: var(--color-white);
  transition: all var(--transition);
}
.header__burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.header__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.header__burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ============= HERO ============= */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--color-white);
  overflow: hidden;
  padding-top: var(--header-height);
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/hero-mobile_old.webp');
  background-size: cover;
  background-position: center;
  background-color: #1a1a1a;
  background-blend-mode: normal;
}
@media (min-width: 769px) {
  .hero__bg { background-image: url('../img/hero_old.webp'); }
}
.hero__bg::before {
  /* Fallback gradient si no carga la imagen */
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #1a1a1a 0%, #2d2d2d 60%, #1a1a1a 100%);
  z-index: -1;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.5);
}
.hero__content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
}
.hero__title {
  font-size: clamp(2rem, 5vw, 3.75rem);
  font-weight: 800;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
  line-height: 1.1;
}
.hero__subtitle {
  font-size: clamp(1.1rem, 2vw, 1.5rem);
  font-weight: 400;
  margin-bottom: 40px;
  opacity: 0.95;
}

/* Trust badges bajo el CTA — anclajes de credibilidad */
.hero__badges {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: center;
  gap: 12px 28px;
  margin: 36px auto 0;
  padding: 0;
  list-style: none;
  max-width: 760px;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: .85rem;
  font-weight: 500;
  color: rgba(255,255,255,0.78);
  letter-spacing: 0.01em;
  white-space: nowrap;
}
.hero__badge svg {
  color: var(--color-blue);
  flex-shrink: 0;
}
@media (max-width: 600px) {
  .hero__badges {
    flex-direction: column;
    gap: 10px;
    margin-top: 28px;
  }
  .hero__badge { font-size: .8rem; }
}

/* ============= PROBLEM ============= */
.problem {
  background: var(--color-gray-light);
}
.problem__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.problem__card {
  background: var(--color-white);
  padding: 40px 32px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.problem__card:hover {
  transform: translateY(-6px);
  box-shadow: 0 8px 32px rgba(0,0,0,0.12);
}
.problem__icon {
  width: 56px; height: 56px;
  background: var(--color-blue);
  color: var(--color-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}
.problem__icon svg { width: 28px; height: 28px; }
.problem__card h3 { font-size: 1.25rem; color: var(--color-black); }

/* ============= PATRÓN BLUEPRINT en secciones oscuras =============
   Cuadrícula técnica sutil (4% opacidad) tipo plano industrial.
   SVG inline en data-URI → cero peticiones HTTP. */
.brands,
.contract,
.contact {
  position: relative;
  isolation: isolate;
}
.brands::before,
.contract::before,
.contact::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 40 40'%3E%3Cpath d='M 40 0 L 0 0 0 40' fill='none' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 40px 40px;
  background-repeat: repeat;
  pointer-events: none;
  z-index: 0;
  /* Fade a los bordes para que no parezca papel cuadriculado plano */
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 40%, transparent 100%);
}
/* Garantizamos que el contenido de las secciones quede por encima del blueprint */
.brands > .container,
.contract > .container,
.contact > .container {
  position: relative;
  z-index: 1;
}

/* ============= ABOUT ============= */
.about { background: var(--color-white); }
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.about__text .section-title { text-align: left; margin-bottom: 24px; }
.about__metrics {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin: 32px 0 8px;
}
.metric {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.metric__number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-blue);
  line-height: 1;
}
.metric__label { font-size: .9rem; color: var(--color-gray-dark); }
.about__note { font-size: .8rem; color: var(--color-gray); margin-bottom: 24px; }
.about__list { display: grid; gap: 12px; }
.about__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}
.check {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px; height: 22px;
  background: var(--color-blue);
  color: var(--color-white);
  border-radius: 50%;
  font-size: .8rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}
.image-placeholder {
  width: 100%;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, #2c3e50 0%, #4a6480 100%);
  border-radius: var(--radius);
  position: relative;
  overflow: hidden;
}
.image-placeholder img {
  width: 100%; height: 100%;
  object-fit: cover;
}

/* ============= BRANDS ============= */
.brands {
  background: var(--color-black);
  color: var(--color-white);
}
.brands__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.brand-card {
  position: relative;
  background: #111;
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition);
  border: 1px solid #222;
}
.brand-card:hover { transform: translateY(-6px); border-color: var(--color-blue); }
.brand-card:focus-within { border-color: var(--color-blue); }
.brand-card__image {
  width: 100%;
  aspect-ratio: 16/10;
  background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
  overflow: hidden;
}
.brand-card__image img { width: 100%; height: 100%; object-fit: cover; }
.brand-card__body { padding: 28px; }
.brand-card__title {
  font-size: 1.75rem;
  color: var(--color-blue);
  margin-bottom: 12px;
  letter-spacing: 0.05em;
}
.brand-card p { color: #ccc; font-size: .95rem; margin: 0; }
.brand-card__link {
  display: inline-flex;
  align-items: center;
  margin-top: 16px;
  font-size: .9rem;
  font-weight: 600;
  color: var(--color-blue);
  text-decoration: none;
  letter-spacing: .02em;
  gap: 0;
  transition: gap .2s ease, color .2s ease;
}
/* Stretched-link: toda la tarjeta es clicable con un único enlace accesible */
.brand-card__link::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 1;
}
.brand-card:hover .brand-card__link,
.brand-card:focus-within .brand-card__link { color: #fff; gap: 4px; }
.brand-card__link:focus-visible { outline: 2px solid var(--color-blue); outline-offset: 4px; }

/* ============= SERVICES ============= */
.services { background: var(--color-gray-light); }
.services__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.services__grid .service-card:nth-child(4),
.services__grid .service-card:nth-child(5) {
  /* 4 y 5 ocupan posiciones en una segunda fila */
}
.service-card {
  position: relative;
  background-size: cover;
  background-position: center;
  background-color: var(--color-black);
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  transition: transform var(--transition);
}
.service-card:hover { transform: translateY(-6px); }
.service-card__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(0,0,0,0.4) 0%, rgba(0,0,0,0.85) 100%);
  backdrop-filter: blur(2px);
}
.service-card__inner {
  position: relative;
  z-index: 2;
  padding: 32px;
  color: var(--color-white);
  align-self: flex-end;
}
.service-card__icon {
  width: 48px; height: 48px;
  background: var(--color-blue);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 16px;
}
.service-card__icon svg { width: 24px; height: 24px; color: var(--color-white); }
.service-card h3 { font-size: 1.25rem; margin-bottom: 8px; }
.service-card p { color: #d6d6d6; font-size: .95rem; margin: 0; }

/* ============= CONTRACT ============= */
.contract {
  background: var(--color-black);
  color: var(--color-white);
}
.contract__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.contract__block { text-align: center; padding: 24px 16px; }
.contract__icon {
  width: 72px; height: 72px;
  margin: 0 auto 20px;
  background: rgba(111,183,219,0.15);
  border: 2px solid var(--color-blue);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-blue);
}
.contract__icon svg { width: 32px; height: 32px; }
.contract__block h3 { color: var(--color-blue); font-size: 1.15rem; margin-bottom: 12px; }
.contract__block p { color: #ccc; font-size: .95rem; }

/* Subtítulo del contrato (sub-claim bajo el H2) */
.contract__subtitle {
  text-align: center;
  color: rgba(255,255,255,0.7);
  font-size: clamp(1.05rem, 1.7vw, 1.25rem);
  font-weight: 400;
  margin: -32px auto 48px;
  max-width: 640px;
  font-style: italic;
}

/* ============= PRESENCIA (sub-sección dentro de About) =============
   Bloque oscuro con foto industrial de fondo + overlay, dentro de la sección
   blanca de "Quiénes somos". Conserva la estética que tenía "Dónde operamos". */
.about__presence {
  position: relative;
  margin-top: 80px;
  padding: 64px 40px;
  border-radius: 12px;
  overflow: hidden;
  isolation: isolate;
  color: #fff;
}
.about__presence-bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/donde-operamos.webp');
  background-size: cover;
  background-position: center;
  background-color: #1a2530;
  z-index: 0;
}
.about__presence-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.65);
  z-index: 1;
}
.about__presence-content {
  position: relative;
  z-index: 2;
}
.about__presence-title {
  font-size: clamp(1.4rem, 2.4vw, 1.8rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 40px;
  text-align: center;
  letter-spacing: -0.01em;
}
.about__presence-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.presence-block {
  padding: 24px 22px 26px;
  background: rgba(0,0,0,0.4);
  border-left: 3px solid var(--color-blue);
  border-radius: 0 8px 8px 0;
  transition: transform var(--transition), background var(--transition);
  backdrop-filter: blur(2px);
  -webkit-backdrop-filter: blur(2px);
}
.presence-block:hover {
  transform: translateY(-3px);
  background: rgba(111,183,219,0.12);
}
.presence-block h4 {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--color-blue);
  margin: 0 0 10px;
}
.presence-block p {
  font-size: .92rem;
  color: #e0e0e0;
  margin: 0;
  line-height: 1.55;
}
@media (max-width: 1024px) {
  .about__presence { padding: 48px 28px; }
  .about__presence-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .about__presence { padding: 40px 20px; margin-top: 56px; }
  .about__presence-grid { grid-template-columns: 1fr; }
}

/* ============= COMPARADOR (CONTRATO vs SIN CONTRATO) ============= */
.compare {
  margin-top: 72px;
}
.compare__title {
  text-align: center;
  color: var(--color-white);
  font-size: clamp(1.4rem, 2.5vw, 1.85rem);
  font-weight: 700;
  margin: 0 0 40px;
  letter-spacing: -0.01em;
}

.compare__grid {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: stretch;
  gap: 32px;
  max-width: 1100px;
  margin: 0 auto;
}

.compare__col {
  position: relative;
  padding: 36px 32px;
  border-radius: 14px;
  display: flex;
  flex-direction: column;
  transition: transform .35s ease, box-shadow .35s ease;
}
.compare__col--without {
  background: #1a1a1a;
  border: 1px solid #2a2a2a;
  color: #9a9a9a;
}
.compare__col--without:hover {
  transform: translateY(-3px);
}
.compare__col--with {
  background: linear-gradient(155deg, rgba(111,183,219,0.16) 0%, rgba(111,183,219,0.04) 100%);
  border: 1px solid rgba(111,183,219,0.4);
  color: #fff;
  box-shadow: 0 8px 32px rgba(111,183,219,0.08);
}
.compare__col--with:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 40px rgba(111,183,219,0.16);
}

.compare__head { margin-bottom: 24px; }
.compare__tag {
  display: inline-block;
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  background: rgba(255,255,255,0.08);
  color: #b0b0b0;
  margin-bottom: 14px;
}
.compare__tag--blue {
  background: var(--color-blue);
  color: #fff;
}
.compare__head h4 {
  font-size: 1.35rem;
  font-weight: 700;
  margin: 0;
  line-height: 1.25;
}
.compare__col--without .compare__head h4 { color: #d0d0d0; }
.compare__col--with    .compare__head h4 { color: #fff; }

.compare__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
  flex-grow: 1;
}
.compare__list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: .95rem;
  line-height: 1.55;
}

/* Iconos circulares */
.compare__icon {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
}
.compare__icon svg { width: 14px; height: 14px; }
.compare__icon--x {
  background: rgba(255,255,255,0.06);
  color: #888;
}
.compare__icon--check {
  background: var(--color-blue);
  color: #fff;
}

/* Divisor central "VS" */
.compare__divider {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}
.compare__vs {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: #000;
  border: 2px solid var(--color-blue);
  color: var(--color-blue);
  font-weight: 800;
  font-size: 1rem;
  letter-spacing: 0.05em;
  position: relative;
  z-index: 2;
}
/* Línea vertical detrás del VS */
.compare__divider::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 1px;
  background: linear-gradient(to bottom, transparent, rgba(111,183,219,0.35) 20%, rgba(111,183,219,0.35) 80%, transparent);
  transform: translateX(-50%);
  z-index: 1;
}

.compare__cta {
  display: block;
  width: max-content;
  margin: 48px auto 0;
}

/* Tablet — el VS pasa a línea horizontal */
@media (max-width: 900px) {
  .compare__grid {
    grid-template-columns: 1fr;
    grid-template-rows: auto auto auto;
    gap: 20px;
  }
  .compare__divider {
    min-height: 56px;
  }
  .compare__divider::before {
    top: 50%;
    bottom: auto;
    left: 0;
    right: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(to right, transparent, rgba(111,183,219,0.35) 20%, rgba(111,183,219,0.35) 80%, transparent);
    transform: translateY(-50%);
  }
  .compare__col { padding: 28px 24px; }
}
@media (max-width: 480px) {
  .compare__title { margin-bottom: 28px; }
  .compare__head h4 { font-size: 1.15rem; }
  .compare__list li { font-size: .9rem; }
}

/* ============= LOCATIONS ============= */
.locations {
  position: relative;
  color: var(--color-white);
  overflow: hidden;
}
.locations__bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/donde-operamos.webp');
  background-size: cover;
  background-position: center;
  background-color: #1a2530;
}
.locations__overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.6);
}
.locations__content { position: relative; z-index: 2; }
.locations__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}
.location-block {
  padding: 24px;
  border-left: 3px solid var(--color-blue);
  background: rgba(0,0,0,0.3);
  border-radius: 0 var(--radius) var(--radius) 0;
}
.location-block h3 { color: var(--color-blue); font-size: 1.25rem; margin-bottom: 12px; }
.location-block p { color: #e0e0e0; font-size: .95rem; margin: 0; }

/* ============= CONTACT ============= */
.contact { background: var(--color-black); color: var(--color-white); }
.contact__highlight {
  text-align: center;
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  font-style: italic;
  color: var(--color-blue);
  max-width: 800px;
  margin: 0 auto 56px;
}
.contact__grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 56px;
}
.contact__info h3 { color: var(--color-blue); font-size: 1.5rem; margin-bottom: 24px; }
.contact__list {
  display: grid;
  gap: 24px;
}
.contact__list li { display: grid; gap: 4px; }
.contact__list strong {
  font-size: .85rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #888;
  font-weight: 500;
}
.contact__list a, .contact__list span { color: var(--color-white); font-size: 1.05rem; }
.contact__list a:hover { color: var(--color-blue); }

.contact__form {
  background: #111;
  padding: 40px;
  border-radius: var(--radius);
  border: 1px solid #222;
}
/* Honeypot — invisible para humanos, visible para crawlers que rellenan todo */
.hp-field {
  position: absolute !important;
  left: -10000px !important;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
  opacity: 0;
  pointer-events: none;
}

.form-row { margin-bottom: 20px; position: relative; }
.form-row label {
  display: block;
  margin-bottom: 6px;
  font-size: .9rem;
  font-weight: 500;
  color: #ddd;
}
.form-row input[type="text"],
.form-row input[type="email"],
.form-row input[type="tel"],
.form-row textarea {
  width: 100%;
  padding: 12px 14px;
  background: #1a1a1a;
  border: 1px solid #333;
  border-radius: var(--radius);
  color: var(--color-white);
  font-family: inherit;
  font-size: 1rem;
  transition: border-color var(--transition);
}
.form-row input:focus,
.form-row textarea:focus {
  outline: none;
  border-color: var(--color-blue);
}
.form-row textarea { resize: vertical; min-height: 120px; }
.form-row--checkbox label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: .9rem;
  cursor: pointer;
}
.form-row--checkbox input { margin-top: 4px; accent-color: var(--color-blue); }
.form-row--checkbox a { color: var(--color-blue); text-decoration: underline; }
.form-error {
  display: block;
  color: var(--color-error);
  font-size: .85rem;
  margin-top: 4px;
  min-height: 1em;
}
.form-row.has-error input,
.form-row.has-error textarea { border-color: var(--color-error); }

.form-status {
  margin-top: 20px;
  padding: 14px;
  border-radius: var(--radius);
  font-size: .95rem;
  display: none;
}
.form-status.show { display: block; }
.form-status.success {
  background: rgba(92,184,92,0.15);
  border: 1px solid var(--color-success);
  color: #b3e2b3;
}
.form-status.error {
  background: rgba(217,83,79,0.15);
  border: 1px solid var(--color-error);
  color: #f0b3b1;
}

/* ============= FOOTER ============= */
.footer {
  background: var(--color-black);
  color: #aaa;
  padding: 72px 0 28px;
  border-top: 1px solid #1a1a1a;
}

/* Zona superior: brand a la izquierda, contacto a la derecha */
.footer__top {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 64px;
  padding-bottom: 40px;
  border-bottom: 1px solid #222;
}

/* --- BRAND --- */
.footer__brand {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 18px;
}
.footer__logo {
  display: block;
  height: 48px;
  width: auto;
  max-width: 240px;
  object-fit: contain;
}
.footer__tagline {
  font-size: .95rem;
  color: #bbb;
  max-width: 380px;
  margin: 0;
  line-height: 1.6;
}
.footer__address {
  font-style: normal;
  font-size: .85rem;
  color: #888;
  line-height: 1.7;
  margin: 0;
}
.footer__nif {
  display: inline-block;
  margin-top: 4px;
  font-size: .8rem;
  color: #6b6b6b;
  letter-spacing: 0.02em;
}

/* --- CONTACTO --- */
.footer__contact {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.footer__heading {
  color: var(--color-white);
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-weight: 600;
  margin: 0 0 18px;
}
.footer__contact-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 0 0 24px;
}
.footer__contact-list a {
  color: #d6d6d6;
  font-size: .95rem;
  transition: color var(--transition);
}
.footer__contact-list a:hover { color: var(--color-blue); }

.footer__social-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 10px 18px;
  border: 1px solid #2a2a2a;
  border-radius: 6px;
  color: #ccc;
  font-size: .85rem;
  font-weight: 500;
  transition: all var(--transition);
}
.footer__social-link svg { width: 16px; height: 16px; }
.footer__social-link:hover {
  color: var(--color-blue);
  border-color: var(--color-blue);
  transform: translateY(-1px);
}

/* Zona inferior: copyright + enlaces legales */
.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
  padding-top: 24px;
}
.footer__copyright {
  margin: 0;
  font-size: .8rem;
  color: #777;
}
.footer__legal {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.footer__legal a {
  color: #999;
  font-size: .8rem;
  transition: color var(--transition);
}
.footer__legal a:hover { color: var(--color-blue); }
.footer__sep {
  color: #444;
  font-size: .8rem;
  user-select: none;
}

/* ============= COOKIE BANNER ============= */
.cookie-banner {
  position: fixed;
  bottom: 24px;
  left: 24px;
  right: 24px;
  max-width: 720px;
  margin: 0 auto;
  background: var(--color-black);
  color: var(--color-white);
  padding: 24px;
  border-radius: var(--radius);
  box-shadow: 0 8px 40px rgba(0,0,0,0.4);
  border: 1px solid #333;
  z-index: 9999;
}
.cookie-banner[hidden] { display: none; }
.cookie-banner__inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 24px;
  align-items: center;
}
.cookie-banner__text h3 {
  font-size: 1.05rem;
  margin: 0 0 6px;
  color: var(--color-blue);
}
.cookie-banner__text p {
  font-size: .88rem;
  color: #ccc;
  margin: 0;
  line-height: 1.5;
}
.cookie-banner__text a { color: var(--color-blue); text-decoration: underline; }
.cookie-banner__buttons {
  display: flex;
  gap: 10px;
  flex-shrink: 0;
}
.cookie-banner .btn { padding: 10px 18px; font-size: .9rem; }

/* ============= 404 / ERROR PAGE ============= */
.error-page {
  position: relative;
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - var(--header-height));
  padding: calc(var(--header-height) + 60px) 0 80px;
  background: #0d0d0d;
  color: #fff;
  overflow: hidden;
  isolation: isolate;
}
/* Fondo con blueprint y gradiente azul tenue desde una esquina */
.error-page__bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at 80% 20%, rgba(111,183,219,0.10), transparent 60%),
    radial-gradient(circle at 10% 90%, rgba(111,183,219,0.06), transparent 55%);
  z-index: 0;
}
.error-page::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 40 40'%3E%3Cpath d='M 40 0 L 0 0 0 40' fill='none' stroke='%23ffffff' stroke-opacity='0.05' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 40px 40px;
  pointer-events: none;
  z-index: 0;
  mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, #000 30%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 90% 80% at 50% 50%, #000 30%, transparent 100%);
}

.error-page__content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 720px;
}

.error-page__code {
  font-size: clamp(7rem, 18vw, 14rem);
  font-weight: 800;
  letter-spacing: -0.04em;
  line-height: 0.9;
  color: rgba(255,255,255,0.08);
  margin-bottom: 8px;
  user-select: none;
}
.error-page__zero {
  color: var(--color-blue);
  opacity: 0.85;
}

.error-page__title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: #fff;
  margin: 0 0 16px;
  letter-spacing: -0.01em;
}

.error-page__text {
  font-size: 1.05rem;
  color: #bbb;
  max-width: 540px;
  margin: 0 auto 40px;
  line-height: 1.65;
}

.error-page__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
  margin-bottom: 56px;
}

.error-page__links {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 8px 28px;
  padding: 24px 32px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  max-width: 600px;
  margin: 0 auto;
}
.error-page__links li { display: inline; }
.error-page__links a {
  color: #ccc;
  font-size: .9rem;
  font-weight: 500;
  transition: color var(--transition);
}
.error-page__links a:hover { color: var(--color-blue); }

@media (max-width: 600px) {
  .error-page__actions { flex-direction: column; align-items: stretch; }
  .error-page__actions .btn { width: 100%; }
  .error-page__links { gap: 8px 16px; padding: 20px; }
}

/* ============= LEGAL PAGES ============= */
.legal-page {
  padding-top: calc(var(--header-height) + 60px);
  padding-bottom: 80px;
  background: var(--color-white);
}
.legal-page .container { max-width: 860px; }
.legal-page h1 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  margin-bottom: 32px;
  color: var(--color-black);
}
.legal-page h2 {
  font-size: 1.4rem;
  margin: 40px 0 16px;
  color: var(--color-black);
}
.legal-page h3 {
  font-size: 1.1rem;
  margin: 24px 0 12px;
  color: var(--color-gray-dark);
}
.legal-page p, .legal-page li {
  color: #333;
  font-size: 1rem;
  line-height: 1.7;
}
.legal-page ul { list-style: disc; padding-left: 24px; margin-bottom: 16px; }
.legal-page table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
}
.legal-page table th,
.legal-page table td {
  padding: 12px;
  border: 1px solid #ddd;
  text-align: left;
  font-size: .95rem;
}
.legal-page table th { background: var(--color-gray-light); font-weight: 600; }
.legal-page .legal-meta {
  background: var(--color-gray-light);
  padding: 20px;
  border-left: 4px solid var(--color-blue);
  border-radius: 4px;
  margin-bottom: 32px;
  font-size: .95rem;
}

/* ============= RESPONSIVE ============= */
@media (max-width: 1024px) {
  .problem__grid,
  .brands__grid,
  .services__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contract__grid,
  .locations__grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact__grid {
    grid-template-columns: 1fr;
  }
}

/* Tablet / mobile — header colapsa a hamburguesa antes de que se aprieten los items */
@media (max-width: 960px) {
  .header__burger { display: flex; }
  .header__nav {
    position: fixed;
    top: var(--header-height);
    left: 0; right: 0;
    background: var(--color-black);
    flex-direction: column;
    align-items: stretch;
    padding: 24px;
    gap: 20px;
    transform: translateX(100%);
    transition: transform var(--transition);
    height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }
  .header__nav.open { transform: translateX(0); }
  .header__nav-list {
    flex-direction: column;
    gap: 16px;
  }
  .header__nav-list a { font-size: 1.1rem; padding: 8px 0; }
  .header__lang {
    justify-content: center;
    margin: 8px 0 0;
    padding: 12px 0 0;
    border-left: none;
    border-top: 1px solid rgba(255,255,255,0.15);
  }
  .header__cta { width: 100%; text-align: center; }
}

@media (max-width: 768px) {
  :root { --container-pad: 20px; --header-height: 70px; }
  section { padding: 60px 0; }

  .problem__grid,
  .brands__grid,
  .services__grid,
  .contract__grid,
  .locations__grid {
    grid-template-columns: 1fr;
  }
  .about__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .about__metrics { grid-template-columns: repeat(2, 1fr); }

  .footer { padding: 56px 0 24px; }
  .footer__top {
    grid-template-columns: 1fr;
    gap: 40px;
    padding-bottom: 32px;
  }
  .footer__bottom {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .footer__legal { gap: 8px 12px; }

  .cookie-banner {
    left: 12px;
    right: 12px;
    bottom: 12px;
    padding: 18px;
  }
  .cookie-banner__inner {
    grid-template-columns: 1fr;
    gap: 16px;
  }
  .cookie-banner__buttons {
    flex-direction: column-reverse;
  }
  .cookie-banner .btn { width: 100%; }

  .contact__form { padding: 24px; }
}

@media (max-width: 480px) {
  .hero__title { font-size: 1.75rem; }
  .hero__subtitle { font-size: 1rem; }
  .about__metrics { grid-template-columns: 1fr; }
  .metric__number { font-size: 2rem; }
}

/* ============= SCROLL HINT EN HERO ============= */
.hero__scroll-hint {
  position: absolute;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%);
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255,255,255,0.7);
  font-size: .75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 500;
  z-index: 3;
  transition: color .3s ease, transform .3s ease;
  text-decoration: none;
}
.hero__scroll-hint:hover { color: var(--color-blue); }
.hero__scroll-hint svg {
  width: 22px; height: 22px;
  animation: scrollHintBounce 2s infinite ease-in-out;
}
@keyframes scrollHintBounce {
  0%,100% { transform: translateY(0); opacity: .7; }
  50%     { transform: translateY(6px); opacity: 1; }
}
@media (max-width: 768px) {
  .hero__scroll-hint { bottom: 20px; font-size: .7rem; }
  .hero__scroll-hint span { display: none; } /* solo el chevron en mobile */
}

/* ============= STICKY CTA MOBILE ============= */
.sticky-cta {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 900;
  display: none;                        /* solo se muestra <= 768px (ver media query) */
  align-items: center;
  gap: 8px;
  padding: 14px 20px;
  background: var(--color-blue);
  color: #fff;
  font-weight: 600;
  font-size: .95rem;
  border-radius: 999px;
  text-decoration: none;
  box-shadow: 0 6px 24px rgba(0,0,0,0.4), 0 0 0 4px rgba(111,183,219,0.18);
  transform: translateY(120%);
  opacity: 0;
  transition: transform .35s ease, opacity .35s ease, background .2s ease;
}
.sticky-cta svg { width: 18px; height: 18px; }
.sticky-cta:hover { background: var(--color-blue-dark); color: #fff; }
.sticky-cta.is-visible {
  transform: translateY(0);
  opacity: 1;
}
@media (max-width: 768px) {
  .sticky-cta { display: inline-flex; }
  /* deja sitio al banner de cookies cuando esté abierto */
  body:has(.cookie-banner:not([hidden])) .sticky-cta { transform: translateY(160%); opacity: 0; }
}

/* ============= FAQ ============= */
.faq {
  background: var(--color-white);
}
.faq__intro {
  text-align: center;
  max-width: 640px;
  margin: -24px auto 48px;
  color: var(--color-gray-dark);
  font-size: 1.05rem;
  line-height: 1.6;
}
.faq__list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq__item {
  background: var(--color-white);
  border: 1px solid #e5e7eb;
  border-radius: 10px;
  overflow: hidden;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.faq__item:hover { border-color: rgba(111,183,219,0.5); }
.faq__item.is-open {
  border-color: var(--color-blue);
  box-shadow: 0 4px 20px rgba(111,183,219,0.12);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 22px 26px;
  text-align: left;
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  background: transparent;
  border: none;
  transition: color var(--transition);
}
.faq__question:hover { color: var(--color-blue-dark); }
.faq__item.is-open .faq__question { color: var(--color-blue); }

.faq__chevron {
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  color: var(--color-blue);
  transition: transform .3s ease;
}
.faq__item.is-open .faq__chevron { transform: rotate(180deg); }

/* Truco: grid-template-rows 0fr → 1fr permite animar altura desconocida */
.faq__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows .35s cubic-bezier(.2,.7,.2,1);
}
.faq__answer-inner {
  overflow: hidden;
  min-height: 0;
}
.faq__item.is-open .faq__answer { grid-template-rows: 1fr; }

.faq__answer-inner p {
  padding: 0 26px 24px;
  margin: 0;
  font-size: .98rem;
  color: var(--color-gray-dark);
  line-height: 1.7;
}

.faq__cta {
  text-align: center;
  margin: 40px auto 0;
  font-size: .98rem;
  color: var(--color-gray);
}
.faq__cta a {
  color: var(--color-blue);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
.faq__cta a:hover { color: var(--color-blue-dark); }

@media (max-width: 640px) {
  .faq__question { padding: 18px 20px; font-size: 1rem; }
  .faq__answer-inner p { padding: 0 20px 20px; font-size: .95rem; }
}

/* Fallback para navegadores que NO soportan animación de grid-template-rows
   (Safari < 16). El contenido se muestra/oculta sin transición pero queda usable. */
@supports not (grid-template-rows: 0fr) {
  .faq__answer { display: block; max-height: 0; overflow: hidden; transition: max-height .3s ease; }
  .faq__item.is-open .faq__answer { max-height: 600px; }
}

/* ============= FORM STATUS ENRIQUECIDO ============= */
.form-status--rich {
  display: none;
  align-items: flex-start;
  gap: 14px;
  padding: 18px 20px;
  margin-top: 20px;
  border-radius: 8px;
  background: rgba(92,184,92,0.08);
  border: 1px solid rgba(92,184,92,0.4);
}
.form-status--rich.show { display: flex; }
.form-status__icon {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border-radius: 50%;
  background: var(--color-success);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  animation: successPop .4s cubic-bezier(.2,.8,.2,1.2);
}
.form-status__icon svg { width: 20px; height: 20px; }
.form-status__title {
  display: block;
  font-weight: 600;
  font-size: 1.05rem;
  color: #b3e2b3;
  margin-bottom: 4px;
}
.form-status__detail {
  display: block;
  font-size: .88rem;
  color: #c8d0c8;
  line-height: 1.55;
}
@keyframes successPop {
  0%   { transform: scale(0); opacity: 0; }
  60%  { transform: scale(1.15); opacity: 1; }
  100% { transform: scale(1); }
}

/* ============= REDUCED MOTION (global) ============= */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .hero__scroll-hint svg { animation: none; }
}

/* ============= FOCUS VISIBLE (accesibilidad teclado) ============= */
:focus-visible {
  outline: 2px solid var(--color-blue);
  outline-offset: 3px;
  border-radius: 4px;
}
.btn:focus-visible,
.lang-btn:focus-visible {
  outline-offset: 4px;
}

/* =========================================================
   BLOG — índice y artículos
   ========================================================= */
/* Cabecera del blog (índice) y hero de artículo */
.blog-head, .post-hero {
  position: relative;
  background: var(--color-black);
  color: #fff;
  padding: calc(var(--header-height) + 56px) 0 56px;
  isolation: isolate;
}
.blog-head::before, .post-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: 0;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='40' height='40' viewBox='0 0 40 40'%3E%3Cpath d='M 40 0 L 0 0 0 40' fill='none' stroke='%23ffffff' stroke-opacity='0.04' stroke-width='1'/%3E%3C/svg%3E");
  background-size: 40px 40px;
  pointer-events: none;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 40%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, #000 40%, transparent 100%);
}
.blog-head > .container, .post-hero > .container { position: relative; z-index: 1; }
.blog-head h1, .post-hero h1 { font-size: clamp(1.9rem, 4vw, 2.9rem); font-weight: 800; line-height: 1.15; margin: 0 0 16px; letter-spacing: -0.02em; }
.post-hero h1 { max-width: 820px; }
.blog-head p { color: #cfd6dc; max-width: 680px; font-size: 1.1rem; margin: 0; }

/* Meta del artículo (categoría, fecha, lectura, autor) */
.post-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; align-items: center; margin-top: 18px; color: #aeb6bd; font-size: .9rem; }
.post-cat {
  display: inline-block;
  background: rgba(111,183,219,0.18);
  color: var(--color-blue);
  font-weight: 600;
  font-size: .78rem;
  letter-spacing: .04em;
  text-transform: uppercase;
  padding: 5px 12px;
  border-radius: 999px;
}

/* Cuerpo del artículo */
.post-body { max-width: 740px; margin: 0 auto; padding: 56px 0; }
.post-body > p, .post-body > ul, .post-body > ol { color: var(--color-gray-dark); font-size: 1.07rem; line-height: 1.8; margin: 0 0 22px; }
.post-body h2 { font-size: 1.6rem; color: var(--color-black); margin: 44px 0 16px; line-height: 1.25; }
.post-body h3 { font-size: 1.2rem; color: var(--color-black); margin: 28px 0 10px; }
.post-body ul, .post-body ol { padding-left: 22px; }
.post-body ul { list-style: disc; }
.post-body ol { list-style: decimal; }
.post-body li { margin-bottom: 8px; }
.post-body a { color: var(--color-blue-dark); font-weight: 600; text-decoration: underline; text-underline-offset: 2px; }
.post-body a:hover { color: var(--color-black); }
.post-body strong { color: var(--color-black); }
.post-body blockquote {
  margin: 28px 0;
  padding: 16px 22px;
  border-left: 3px solid var(--color-blue);
  background: var(--color-gray-light);
  border-radius: 0 8px 8px 0;
  color: var(--color-gray-dark);
  font-style: italic;
}
.post-body .post-table-wrap { overflow-x: auto; margin: 0 0 26px; }
.post-body table { width: 100%; border-collapse: collapse; font-size: .97rem; }
.post-body th, .post-body td { padding: 12px 14px; text-align: left; border-bottom: 1px solid #e6e9ec; }
.post-body thead th { background: var(--color-black); color: #fff; font-size: .8rem; letter-spacing: .03em; text-transform: uppercase; }
.post-body tbody tr:nth-child(even) { background: var(--color-gray-light); }

/* Caja CTA dentro/al final del artículo */
.post-cta {
  max-width: 740px;
  margin: 8px auto 0;
  padding: 32px;
  background: var(--color-black);
  color: #fff;
  border-radius: 12px;
  text-align: center;
}
.post-cta h3 { color: #fff; font-size: 1.4rem; margin: 0 0 10px; }
.post-cta p { color: #bbb; margin: 0 0 22px; }

/* Artículos relacionados / enlaces a landings */
.post-related { max-width: 740px; margin: 48px auto 0; }
.post-related h2 { font-size: 1.25rem; color: var(--color-black); margin: 0 0 16px; }
.post-related ul { display: flex; flex-wrap: wrap; gap: 10px; }
.post-related a {
  display: inline-block;
  padding: 8px 16px;
  border: 1px solid var(--color-blue);
  border-radius: 999px;
  color: var(--color-blue-dark);
  font-weight: 600;
  font-size: .9rem;
  text-decoration: none;
  transition: background var(--transition), color var(--transition);
}
.post-related a:hover { background: var(--color-blue); color: #fff; }
/* Espacio inferior del artículo antes del footer */
article > .container { padding-bottom: 80px; }
@media (max-width: 768px) { article > .container { padding-bottom: 48px; } }

/* Índice del blog: grid de tarjetas */
.blog-list { padding: 56px 0; }
.blog-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 28px; }
.post-card {
  position: relative;
  display: flex;
  flex-direction: column;
  background: #fff;
  border: 1px solid #e6e9ec;
  border-radius: 12px;
  padding: 26px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}
.post-card:hover { transform: translateY(-4px); border-color: var(--color-blue); box-shadow: var(--shadow); }
.post-card .post-cat { background: rgba(111,183,219,0.14); margin-bottom: 14px; align-self: flex-start; }
.post-card__title { font-size: 1.2rem; color: var(--color-black); line-height: 1.3; margin: 0 0 10px; }
.post-card__title a { color: inherit; text-decoration: none; }
.post-card__title a::after { content: ''; position: absolute; inset: 0; }
.post-card__excerpt { color: var(--color-gray-dark); font-size: .95rem; line-height: 1.6; margin: 0 0 16px; flex-grow: 1; }
.post-card__meta { color: var(--color-gray); font-size: .82rem; }
.post-card:focus-within { border-color: var(--color-blue); }

@media (max-width: 768px) {
  .post-body { padding: 40px 0; }
  .blog-list { padding: 40px 0; }
  .blog-grid { grid-template-columns: 1fr; }
}