/* Madison IT — tokens y layout
   Paleta: azul confianza + naranja urgencia (solo CTA) + verde prueba.
   Tipografía: Lexend (display) + Source Sans 3 (cuerpo, cifras tabulares). */

:root {
  --navy-900: #0b1b33;
  --navy-800: #0f2444;
  --navy-700: #123a6b;
  --blue-600: #1e40af;
  --blue-500: #2563eb;
  --orange-600: #ea580c;
  --orange-500: #f97316;
  --green-600: #16a34a;
  --paper: #f5f7fa;
  --white: #ffffff;
  --slate-700: #334155;
  --slate-500: #64748b;
  --slate-300: #cbd5e1;
  --slate-200: #e2e8f0;
  --danger: #dc2626;

  --font-display: "Lexend", system-ui, sans-serif;
  --font-body: "Source Sans 3", system-ui, -apple-system, sans-serif;

  --radius-card: 2px;
  --radius-input: 6px;
  --radius-btn: 6px;

  --shadow-rail: 0 24px 60px -30px rgba(11, 27, 51, 0.45);

  --container: 1200px;
  --gutter: 1.25rem;
  --section-y: clamp(3.5rem, 8vw, 6.5rem);
}

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

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

body {
  margin: 0;
  background: var(--white);
  color: var(--navy-900);
  font-family: var(--font-body);
  font-size: 1.0625rem;
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3 {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.12;
  margin: 0 0 0.6em;
  text-wrap: balance;
}

h1 { font-size: clamp(2.1rem, 4.6vw, 3.6rem); }
h2 { font-size: clamp(1.65rem, 3vw, 2.5rem); }
h3 { font-size: 1.15rem; letter-spacing: -0.01em; }

p { margin: 0 0 1rem; max-width: 68ch; }
a { color: var(--blue-600); text-underline-offset: 3px; }

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

.skip-link {
  position: absolute; left: -9999px; top: 0; z-index: 100;
  background: var(--navy-900); color: #fff; padding: 0.75rem 1rem;
}
.skip-link:focus { left: 0; }

:focus-visible { outline: 3px solid var(--orange-500); outline-offset: 2px; }

.wrap {
  width: 100%; max-width: var(--container);
  margin-inline: auto; padding-inline: var(--gutter);
}
.wrap--narrow { max-width: 800px; }

/* ---------- Top bar ---------- */
/* Marquesina: fondo blanco, texto naranja, scroll continuo */
.topbar {
  background: #fff;
  border-bottom: 1px solid var(--slate-200);
  color: #c2410c;
  font-size: 0.8125rem;
  font-weight: 700;
}
.topbar__inner { display: flex; align-items: center; gap: 1.25rem; min-height: 42px; }

.topbar__marquee {
  flex: 1 1 auto; min-width: 0; overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
  mask-image: linear-gradient(90deg, transparent 0, #000 6%, #000 94%, transparent 100%);
}
.topbar__track {
  display: inline-flex; white-space: nowrap;
  animation: marquee 26s linear infinite;
}
.topbar__track:hover { animation-play-state: paused; }
.topbar__item {
  display: inline-flex; align-items: center; gap: 0.45rem;
  padding-right: 4.5rem;
}
.topbar__item svg { flex: 0 0 auto; }
.topbar__item a {
  color: #fff; text-decoration: none; font-weight: 700;
  background: #c2410c; padding: 0.15rem 0.6rem; border-radius: 999px;
  margin-left: 0.35rem; white-space: nowrap;
}
.topbar__item a:hover { background: #9a3412; }
.topbar__right a { text-decoration: none; }

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

.topbar__right {
  display: flex; align-items: center; gap: 0.9rem; flex: 0 0 auto;
  padding-left: 0.9rem; border-left: 1px solid var(--slate-200);
}
.topbar__phone { color: #c2410c; }
.topbar__login { color: var(--slate-500); font-weight: 600; }
.topbar__phone { font-weight: 700; }

/* ---------- Header (oscuro, con el logo real) ---------- */
.site-top { position: sticky; top: 0; z-index: 40; }
.site-header {
  position: relative;
  background: var(--navy-900);
  border-bottom: 1px solid #16294a;
}
.site-header__inner { display: flex; align-items: center; gap: 1.5rem; min-height: 86px; }
.brand { display: inline-flex; align-items: center; flex: 0 0 auto; }
.brand__logo { height: 50px; width: auto; filter: drop-shadow(0 2px 10px rgba(0, 0, 0, 0.45)); }
.site-header { border-bottom: 3px solid var(--orange-600); }

.nav { display: flex; align-items: center; gap: 1.15rem; margin-left: auto; }
.nav a {
  color: #dbe4f0; text-decoration: none; font-weight: 600;
  font-size: 0.9rem; padding: 0.25rem 0; white-space: nowrap;
}
.nav a:hover { color: #fff; }
.nav__lang {
  color: #8fa3bd !important; font-weight: 400 !important;
  border-left: 1px solid #23395c; padding-left: 1.1rem !important;
}
.lang-switch { display: flex; align-items: center; gap: 0.35rem; margin-left: 0.6rem; }
.lang-switch a {
  display: inline-flex; align-items: center; justify-content: center;
  min-width: 42px; padding: 0.35rem 0.6rem; border-radius: 999px;
  font-size: 0.8rem; font-weight: 700; color: #dbe4f0;
  border: 1px solid #23395c; text-decoration: none;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
.lang-switch a:hover { color: #fff; border-color: #fff; }
.lang-switch a.active { background: #c2410c; border-color: #c2410c; color: #fff; }
.menu-lang { display: none; }
.site-header__phone { display: none; }
.burger {
  display: none; background: none; border: 0; cursor: pointer;
  width: 44px; height: 44px; padding: 10px;
}
.burger span {
  display: block; height: 2px; background: #fff; margin: 5px 0;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.burger[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.burger[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font-body); font-weight: 600; font-size: 1rem;
  padding: 0.85rem 1.4rem; border-radius: var(--radius-btn);
  border: 1px solid transparent; text-decoration: none; cursor: pointer;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  min-height: 48px;
}
.btn--sm { padding: 0.55rem 1rem; font-size: 0.9375rem; min-height: 44px; }
.btn--lg { padding: 1rem 1.75rem; font-size: 1.0625rem; }
.btn--block { width: 100%; }
.btn--cta { background: #c2410c; color: #fff; }
.btn--cta:hover { background: #9a3412; }
.btn--ghost { background: transparent; color: var(--navy-900); border-color: var(--slate-300); }
.btn--ghost:hover { border-color: var(--navy-900); }
.btn:active { transform: translateY(1px); }

/* ---------- Eyebrow / lede ---------- */
.eyebrow {
  font-size: 0.8125rem; font-weight: 600; color: var(--blue-600);
  margin: 0 0 0.75rem; letter-spacing: 0.01em;
}
.eyebrow--light { color: #7dd3fc; }
.lede { font-size: 1.125rem; color: var(--slate-700); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background: var(--navy-900); color: #eaf2f8;
  padding-block: clamp(3rem, 7vw, 5.25rem);
}
.hero-slides { position: absolute; inset: 0; }
.hero-slide {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; transition: opacity 1.6s ease;
}
.hero-slide.is-on { opacity: 1; }
.hero__veil {
  position: absolute; inset: 0;
  background: linear-gradient(100deg, rgba(6,18,35,.90) 0%, rgba(11,27,51,.72) 38%, rgba(18,58,107,.30) 72%, rgba(18,58,107,.18) 100%);
}
.hero h1 { color: #fff; text-shadow: 0 3px 24px rgba(0,0,0,.55); }
.hero .hl { color: #fdba74; }
.hero__sub { color: #cbd5e1; }
.hero__note { color: #9fb3c9; }
.hero__note svg { color: #4ade80; }
.hero__kicker { color: #7dd3fc; }
.hero__stats { border-top: 1px solid rgba(255,255,255,.18); }
.hero__stats dt { color: #9fb3c9; }
.hero__stats dd { color: #fff; }
.hero .btn--ghost { color: #fff; border-color: rgba(255,255,255,.35); }
.hero .btn--ghost:hover { border-color: #fff; background: rgba(255,255,255,.08); }
.hero__grid {
  position: relative; z-index: 3;
  display: grid; grid-template-columns: minmax(0, 1fr) 452px;
  gap: clamp(2rem, 4vw, 3.5rem); align-items: start;
}
.hero__copy { padding-top: 0.5rem; }
.hero__sub { font-size: 1.1875rem; color: var(--slate-700); max-width: 54ch; }
.hero__actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin: 1.75rem 0 1rem; }
.hero__note {
  display: inline-flex; align-items: center; gap: 0.5rem;
  font-size: 0.9375rem; color: var(--slate-500); margin: 0; max-width: 46ch;
}
.hero__note svg { color: var(--green-600); flex: 0 0 auto; }

.hero__stats {
  display: flex; flex-wrap: wrap; gap: 2.25rem;
  margin: 2.5rem 0 0; padding-top: 1.75rem;
  border-top: 1px solid var(--slate-300);
}
.hero__stats div { margin: 0; }
.hero__stats dt { font-size: 0.8125rem; color: var(--slate-500); margin-bottom: 0.15rem; }
.hero__stats dd {
  margin: 0; font-family: var(--font-display); font-weight: 700;
  font-size: 1.6rem; color: var(--navy-900); letter-spacing: -0.02em;
}

/* ---------- Rail del formulario ---------- */
.lead-rail { position: sticky; top: 100px; }
.lead-card {
  background: var(--white);
  border: 1px solid var(--slate-200);
  border-top: 4px solid var(--orange-600);
  border-radius: var(--radius-card);
  padding: 1.5rem;
  box-shadow: var(--shadow-rail);
}
.lead-card h2 { font-size: 1.35rem; margin-bottom: 0.35rem; }
.lead-card__sub { font-size: 0.9375rem; color: var(--slate-500); margin-bottom: 1.25rem; }
.lead-card__msg { padding: 0.65rem 0.85rem; border-radius: var(--radius-input); font-size: 0.9375rem; margin: 0 0 1rem; }
.lead-card__msg--success { background: #dcfce7; color: #166534; }
.lead-card__msg--error { background: #fee2e2; color: #991b1b; }

.field { margin-bottom: 0.85rem; }
.field label {
  display: flex; align-items: baseline; gap: 0.4rem;
  font-size: 0.875rem; font-weight: 600; margin-bottom: 0.3rem;
}
.req { font-size: 0.6875rem; font-weight: 400; color: var(--slate-500); }
.field input,
.field select,
.field textarea {
  width: 100%; font-family: var(--font-body); font-size: 1rem;
  padding: 0.7rem 0.8rem; border: 1px solid var(--slate-300);
  border-radius: var(--radius-input); background: var(--white);
  color: var(--navy-900); min-height: 48px;
}
.field textarea { min-height: 84px; resize: vertical; }
.field input:focus,
.field select:focus,
.field textarea:focus { border-color: var(--blue-600); }
.field--error input,
.field--error select,
.field--error textarea { border-color: var(--danger); }
.field__error { color: var(--danger); font-size: 0.8125rem; margin: 0.3rem 0 0; }
.lead-card__legal { font-size: 0.75rem; color: var(--slate-500); margin: 0.75rem 0 0; }

/* ---------- Proof bar ---------- */
.proof { background: var(--navy-900); color: #e2e8f0; }
.proof__inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; padding-block: 1.35rem; }
.proof__item { display: flex; flex-direction: column; gap: 0.15rem; }
.proof__item strong {
  font-family: var(--font-display); font-size: 1.4rem; color: #fff; letter-spacing: -0.02em;
}
.proof__item span { font-size: 0.8125rem; color: #94a3b8; }
.stars { display: inline-flex; gap: 2px; color: #fbbf24; }

/* ---------- Secciones ---------- */
.section { padding-block: var(--section-y); }
.section--paper { background: var(--paper); }
.section--dark { background: var(--navy-900); color: #e2e8f0; }
.section--dark h2 { color: #fff; }
.section--dark .lede { color: #cbd5e1; }
.section--cta { background: var(--navy-800); color: #fff; }

/* ---------- Split (dos lados) ---------- */
.split {
  display: grid; grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  gap: clamp(2rem, 5vw, 4rem); align-items: center;
}
.split--reverse .split__copy { order: 2; }
.split--reverse .split__media { order: 1; }
.split__media { display: flex; justify-content: center; }
.split__media img { max-width: 320px; }
.split__media--frame img {
  max-width: 100%;
  border: 1px solid var(--slate-200);
  border-radius: var(--radius-card);
  box-shadow: 0 20px 50px -30px rgba(11, 27, 51, 0.5);
}
.checklist { list-style: none; padding: 0; margin: 1.5rem 0 1.75rem; }
.checklist li {
  display: flex; gap: 0.6rem; align-items: flex-start;
  margin-bottom: 0.6rem; font-size: 1rem;
}
.checklist svg { color: var(--green-600); flex: 0 0 auto; margin-top: 0.28rem; }

/* ---------- Problema ---------- */
.problem__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2rem; }
.problem__card { border-left: 3px solid var(--orange-600); padding: 0.25rem 0 0.25rem 1.1rem; }
.problem__num {
  display: block; font-family: var(--font-display); font-weight: 700;
  font-size: 2.1rem; letter-spacing: -0.03em; color: var(--blue-600); line-height: 1;
}
.problem__card p { margin: 0.5rem 0 0.4rem; font-size: 0.9375rem; }
.problem__card cite { font-style: normal; font-size: 0.75rem; color: var(--slate-500); }

/* ---------- Tabla comparativa ---------- */
.compare__head { display: grid; grid-template-columns: 96px minmax(0, 1fr); gap: 1.5rem; align-items: start; margin-top: 2rem; }
.compare__wp { opacity: 0.12; width: 96px; }
.table-scroll { overflow-x: auto; }
.compare { width: 100%; border-collapse: collapse; background: var(--white); font-size: 0.9375rem; min-width: 700px; }
.compare th, .compare td {
  text-align: left; padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--slate-200); vertical-align: top;
}
.compare thead th {
  font-family: var(--font-display); font-weight: 600; font-size: 0.875rem;
  background: var(--white); border-bottom: 2px solid var(--navy-900);
}
.compare tbody th {
  font-weight: 600; color: var(--slate-700); font-size: 0.875rem; background: var(--paper);
}
.compare__us {
  background: #eff6ff !important;
  border-left: 2px solid var(--blue-600);
  border-right: 2px solid var(--blue-600);
  font-weight: 600; color: var(--navy-900);
}
.compare thead .compare__us { color: var(--blue-600); }
.compare tbody tr:last-child th,
.compare tbody tr:last-child td { border-bottom: 2px solid var(--blue-600); }

/* ---------- Cards ---------- */
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.25rem; margin-top: 2.25rem; }
.cards--3 { grid-template-columns: repeat(3, 1fr); }
.card {
  background: var(--white); border: 1px solid var(--slate-200);
  border-radius: var(--radius-card); padding: 1.5rem;
  box-shadow: 0 10px 30px -24px rgba(11, 27, 51, 0.45);
}
.card h3 { margin-bottom: 0.4rem; }
.card p { margin: 0; font-size: 0.9375rem; color: var(--slate-700); }
.card__icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; margin-bottom: 0.9rem;
  color: var(--blue-600); background: #eff6ff; border-radius: var(--radius-card);
}

/* ---------- Pasos ---------- */
.steps {
  list-style: none; padding: 0; margin: 2.25rem 0 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem;
}
.step { border-top: 2px solid #23395c; padding-top: 1rem; }
.step__num {
  display: block; font-family: var(--font-display); font-weight: 700;
  font-size: 0.875rem; color: var(--orange-500); margin-bottom: 0.5rem;
}
.step h3 { font-size: 1.05rem; color: #fff; }
.step p { font-size: 0.9375rem; color: #b6c2d4; margin: 0; }

/* ---------- Estadísticas (fondo claro) ---------- */
.stats {
  list-style: none; padding: 0; margin: 2.5rem 0 0;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem 2.5rem;
}
.stat { border-top: 2px solid var(--slate-300); padding-top: 1.1rem; }
.stat__value {
  display: block; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(2rem, 3.4vw, 2.75rem); letter-spacing: -0.03em;
  color: var(--blue-600); line-height: 1;
}
.stat__label { margin: 0.6rem 0 0.6rem; color: var(--slate-700); font-size: 0.9375rem; }
.stat__source { margin: 0; font-size: 0.75rem; color: var(--slate-500); }
.stat__source a { color: var(--blue-600); }

/* ---------- Promesa ---------- */
.promise {
  display: grid; grid-template-columns: 300px minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3.5rem); align-items: end;
}
.promise__photo img { border-radius: var(--radius-card); }
.promise__sign { display: flex; flex-direction: column; margin-top: 1.5rem; }
.promise__sign strong { font-family: var(--font-display); }
.promise__sign span { font-size: 0.875rem; color: var(--slate-500); }

/* ---------- Reseñas ---------- */
.card--review { display: flex; flex-direction: column; gap: 0.6rem; }
.review__head { display: flex; align-items: center; gap: 0.7rem; }
.review__avatar {
  width: 36px; height: 36px; border-radius: 50%;
  background: var(--navy-900); color: #fff;
  display: inline-flex; align-items: center; justify-content: center;
  font-family: var(--font-display); font-size: 0.9rem; flex: 0 0 auto;
}
.review__head strong { display: block; font-size: 0.9375rem; }
.review__date { font-size: 0.75rem; color: var(--slate-500); }
.review__g { margin-left: auto; font-family: var(--font-display); font-weight: 700; color: var(--slate-500); }
.card--review p { margin: 0; }
.card--review cite { font-style: normal; font-size: 0.75rem; color: var(--slate-500); }

/* ---------- FAQ ---------- */
.faq { margin-top: 1.75rem; border-top: 1px solid var(--slate-200); }
.faq__item { border-bottom: 1px solid var(--slate-200); }
.faq__item summary {
  cursor: pointer; list-style: none; padding: 1.1rem 2.5rem 1.1rem 0;
  font-family: var(--font-display); font-weight: 600; font-size: 1.0625rem;
  position: relative;
}
.faq__item summary::-webkit-details-marker { display: none; }
.faq__item summary::after {
  content: "+"; position: absolute; right: 0.4rem; top: 50%;
  transform: translateY(-50%); font-size: 1.4rem; color: var(--orange-600);
  font-family: var(--font-body);
}
.faq__item[open] summary::after { content: "–"; }
.faq__item p { margin: 0 0 1.25rem; color: var(--slate-700); }

/* ---------- CTA final ---------- */
.cta-final h2 { color: #fff; max-width: 24ch; }
.cta-final p { color: #cbd5e1; font-size: 1.125rem; }
.cta-final .btn { margin-top: 0.75rem; }
.cta-final__alt { margin-top: 1.25rem; font-size: 0.9375rem; color: #94a3b8; }
.cta-final__alt a { color: #fff; font-weight: 600; }

/* ---------- Footer ---------- */
.site-footer { background: var(--navy-900); color: #b8c6d6; padding-top: 3.5rem; }
.site-footer__grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2.5rem; padding-bottom: 2.5rem; }
.site-footer__logo { height: 42px; width: auto; margin-bottom: 0.75rem; }
.site-footer__h { font-family: var(--font-display); font-size: 0.9375rem; color: #fff; margin-bottom: 0.85rem; }
.site-footer__list { list-style: none; padding: 0; margin: 0; }
.site-footer__list li { margin-bottom: 0.4rem; font-size: 0.9375rem; color: #dbe4f0; }
.site-footer a { color: #fff; text-decoration: none; font-weight: 600; }
.site-footer a:hover { text-decoration: underline; }
.site-footer__tagline { font-size: 0.9375rem; margin: 0 0 0.5rem; }
.site-footer__note { font-size: 0.8125rem; color: #64748b; margin: 0; }
.site-footer__bottom {
  border-top: 1px solid #1e3a5f; padding-block: 1.25rem;
  font-size: 0.8125rem; color: #64748b;
}
.site-footer__bottom p { margin: 0; }

/* ---------- CTA móvil ---------- */
.mobile-cta {
  display: none; position: fixed; left: 1rem; right: 1rem; bottom: 1rem;
  max-width: calc(100% - 2rem); box-sizing: border-box;
  z-index: 50; background: var(--orange-600); color: #fff;
  text-decoration: none; font-weight: 600; text-align: center;
  padding: 0.95rem 1rem; border-radius: var(--radius-btn);
  align-items: center; justify-content: center; gap: 0.5rem;
  box-shadow: 0 12px 30px -12px rgba(234, 88, 12, 0.8);
}

/* ---------- Responsive ---------- */
@media (max-width: 1200px) {
  .nav { gap: 0.85rem; }
  .nav a { font-size: 0.85rem; }
  .brand__logo { height: 44px; }
}

@media (max-width: 1080px) {
  .hero__grid { grid-template-columns: minmax(0, 1fr) 400px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .cards, .cards--3 { grid-template-columns: repeat(2, 1fr); }
  .stats { grid-template-columns: repeat(2, 1fr); }
  .compare__head { grid-template-columns: 1fr; }
  .compare__wp { display: none; }
}

@media (max-width: 900px) {
  .nav {
    position: absolute; top: 100%; left: 0; right: 0; z-index: 45;
    flex-direction: column; align-items: stretch; gap: 0;
    background: var(--navy-900); border-bottom: 1px solid #16294a;
    padding: 0.5rem 1.25rem 1.25rem;
    max-width: 100%; box-sizing: border-box;
    margin-left: 0;
    transform: translateY(-8px);
    opacity: 0; visibility: hidden; pointer-events: none;
    transition: opacity 0.2s ease, transform 0.2s ease, visibility 0.2s;
  }
  .nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; pointer-events: auto; }
  .nav a { padding: 0.85rem 0; border-bottom: 1px solid #1e3a5f; white-space: normal; }
  .nav__cta { margin-top: 1rem; border-bottom: 0 !important; width: 100%; white-space: normal; }
  .burger { display: block; margin-left: auto; }
  .lang-switch { display: none; }
  .menu-lang { display: block; margin-top: 1rem; }
  .menu-lang > span { display: block; color: #8fa3bd; font-size: 0.82rem; margin-bottom: 0.5rem; }
  .menu-lang-opts { display: flex; gap: 0.5rem; }
  .menu-lang-opts a {
    flex: 1; text-align: center; border: 1px solid #23395c; border-radius: 10px;
    padding: 0.7rem; color: #dbe4f0; font-weight: 700; text-decoration: none;
  }
  .menu-lang-opts a.active { background: #c2410c; border-color: #c2410c; color: #fff; }

  .hero__grid { grid-template-columns: 1fr; }
  .lead-rail { position: static; }
  .split, .promise { grid-template-columns: 1fr; }
  .split--reverse .split__copy { order: 1; }
  .split--reverse .split__media { order: 2; }
  .split__media img { max-width: 220px; }
  .proof__inner { grid-template-columns: repeat(2, 1fr); }
  .problem__grid { grid-template-columns: 1fr; }
  .cards, .cards--3 { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr; }
  .site-footer__grid { grid-template-columns: 1fr; gap: 1.75rem; }
  .mobile-cta { display: inline-flex; }
  body { padding-bottom: 4.5rem; }
}

@media (max-width: 640px) {
  .steps { grid-template-columns: 1fr; }
  .topbar__right { display: none; }
  .topbar__inner { min-height: 38px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
}

/* ============================================================
   Animaciones, fondos dinámicos y splash
   Patrón tomado de eco-prime: gradientes animados, fotos con
   overlay, fondo rotativo por tarjeta, pasos secuenciales.
   ============================================================ */

@keyframes bandMove {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(234, 88, 12, 0.55); }
  70% { box-shadow: 0 0 0 14px rgba(234, 88, 12, 0); }
  100% { box-shadow: 0 0 0 0 rgba(234, 88, 12, 0); }
}
@keyframes underlineGrow { to { transform: scaleX(1); } }
@keyframes splashBar { from { transform: scaleX(0); } to { transform: scaleX(1); } }
@keyframes floatUp {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---------- Resaltado de palabras ---------- */
.hl {
  color: var(--blue-600);
  position: relative;
  white-space: nowrap;
}
@media (max-width: 600px) {
  .hl { white-space: normal; }
}
.section--dark .hl, .section--cta .hl { color: #fdba74; }

/* ---------- Splash ---------- */
.splash {
  position: fixed; inset: 0; z-index: 200;
  background: var(--navy-900);
  display: grid; place-items: center;
  transition: opacity 0.5s ease, visibility 0.5s ease;
}
.splash.is-off { opacity: 0; visibility: hidden; }
.splash__inner { display: flex; flex-direction: column; align-items: center; gap: 0.9rem; }
.splash__logo { height: 56px; width: auto; animation: floatUp 0.6s ease both; }
.splash__tag {
  font-size: 0.8125rem; color: #8fa3bd; margin: 0;
  letter-spacing: 0.06em; text-transform: uppercase;
  animation: floatUp 0.6s ease 0.1s both;
}
.splash__bar {
  display: block; width: 160px; height: 3px; border-radius: 3px;
  background: rgba(255, 255, 255, 0.12); overflow: hidden;
}
.splash__bar i {
  display: block; height: 100%; background: var(--orange-600);
  transform-origin: left; animation: splashBar 1.1s ease forwards;
}

/* ---------- Hero: kicker, pulso y resplandor ---------- */
.hero { position: relative; overflow: hidden; }
.hero__glow {
  position: absolute; inset: -20% -10% auto auto; width: 620px; height: 620px;
  background: radial-gradient(circle, rgba(37, 99, 235, 0.14), transparent 65%);
  pointer-events: none;
}
.hero__grid { position: relative; z-index: 2; }
.hero__kicker {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-weight: 700; font-size: 0.875rem; color: var(--blue-600);
  margin: 0 0 0.85rem;
}
.pulse {
  width: 10px; height: 10px; border-radius: 50%;
  background: var(--orange-600); animation: pulse 2s infinite;
  flex: 0 0 auto;
}

/* ---------- Bandas con gradiente animado ---------- */
.proof {
  background: linear-gradient(120deg, #061223, #123a6b, #0b1b33, #123a6b);
  background-size: 280% 280%;
  animation: bandMove 16s ease infinite;
}

/* ---------- Bandas de color de marca (amarillo, azul, naranja) ---------- */
.section--tone-white { background: var(--white); }

.section--tone-blue { background: var(--navy-700); color: #e8eef7; }
.section--tone-paper { background: var(--paper); }

.section--tone-yellow { background: #facc15; color: #0b1b33; }


/* Títulos y textos por tono */
.section--tone-blue h2 { color: #fff; }
.section--tone-yellow h2 { color: #0b1b33; }

.section--tone-blue .hl { color: #facc15; }
.section--tone-yellow .hl { color: #9a3412; }

.section--tone-blue .eyebrow { color: #facc15; }
.section--tone-yellow .eyebrow { color: #9a3412; }

.section--tone-blue .lede { color: #c7d5e8; }
.section--tone-yellow .lede { color: #1e3a5f; }

/* Tarjetas sobre fondo de color: blancas para que respiren */
.section--tone-blue .card { background: #fff; color: var(--navy-900); border-color: transparent; }
.section--tone-blue .card p { color: var(--slate-700); }
.section--tone-blue .card h3 { color: var(--navy-900); }
.section--tone-blue .card cite { color: var(--slate-500); }

/* Bloque de problema (banda azul) */
.section--tone-blue .problem__card { border-left-color: #facc15; }
.section--tone-blue .problem__card p { color: #e8eef7; }
.section--tone-blue .problem__card cite { color: #9fb3c9; }
.section--tone-blue .problem__num { color: #facc15; }

/* Checklist (banda amarilla) */
.section--tone-yellow .checklist svg { color: #0b1b33; }

/* Estadísticas (banda amarilla) */
.section--tone-yellow .stat { border-top-color: rgba(11, 27, 51, 0.28); }
.section--tone-yellow .stat__value { color: #0b1b33; }
.section--tone-yellow .stat__label { color: #1e3a5f; }
.section--tone-yellow .stat__source { color: #3f5a7a; }
.section--tone-yellow .stat__source a { color: #9a3412; }

/* FAQ (banda azul) */
.section--tone-blue .faq { border-top-color: rgba(255, 255, 255, 0.22); }
.section--tone-blue .faq__item { border-bottom-color: rgba(255, 255, 255, 0.18); }
.section--tone-blue .faq__item summary { color: #fff; }
.section--tone-blue .faq__item p { color: #c7d5e8; }
.section--tone-blue .faq__item summary::after { color: #facc15; }

/* Bandas oscuras con foto y gradiente animado (proceso y CTA) */
.section--tone-dark { position: relative; overflow: hidden; background: var(--navy-900); color: #e2e8f0; }
.section--tone-dark > .wrap { position: relative; z-index: 2; }
.section--tone-dark .section-bg {
  position: absolute; inset: 0; background-position: center; background-size: cover; opacity: 0.24;
}
.section--tone-dark::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(11,27,51,.96), rgba(18,58,107,.88), rgba(18,58,107,.62), rgba(11,27,51,.96));
  background-size: 260% 260%; animation: bandMove 14s ease infinite;
}
.section--img-plumbing .section-bg { background-image: url("../img/bg/bg-plumbing.e20ea9d280a0.jpg"); }
.section--img-restoration .section-bg { background-image: url("../img/bg/bg-restoration.d685e772c788.jpg"); }

/* ---------- Footer con foto ---------- */
.site-footer {
  position: relative; overflow: hidden;
  background-image: url("../img/bg/bg-roofing.e926c2021bd8.jpg");
  background-size: cover; background-position: center;
}
.site-footer > * { position: relative; z-index: 2; }
.site-footer::before {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(4,12,24,.97), rgba(11,36,66,.95), rgba(6,18,35,.97), rgba(4,12,24,.97));
  background-size: 260% 260%; animation: bandMove 18s ease infinite;
}
.site-footer__credit { margin: 0.35rem 0 0; font-size: 0.75rem; color: #475569; }

/* ---------- Servicios: fondo rotativo + tarjeta activa ---------- */
.section--services { position: relative; overflow: hidden; }
.services-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; transition: opacity 0.7s ease;
}
.services-bg.is-on { opacity: 0.5; }
.section--services::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(255,255,255,.80), rgba(239,246,255,.90));
  z-index: 1;
}
.section--services > .wrap { position: relative; z-index: 2; }
.service-card { transition: transform 0.28s ease, box-shadow 0.28s ease, border-color 0.28s ease; }
.service-card:hover,
.service-card.is-active {
  transform: translateY(-8px) scale(1.05);
  box-shadow: 0 22px 46px rgba(11, 27, 51, 0.28);
  border-color: var(--blue-600);
  border-width: 2px;
  z-index: 3;
}
.service-card.is-active h3 { color: var(--blue-600); }
.service-card.is-active .card__icon { background: var(--blue-600); color: #fff; }

/* ---------- Pasos: resaltado secuencial ---------- */
.step {
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease, background 0.3s ease;
  border-radius: var(--radius-card); padding: 1rem 1rem 1.1rem;
}
.step.is-active {
  background: rgba(255, 255, 255, 0.06);
  border-top-color: var(--orange-500);
  box-shadow: 0 20px 44px rgba(0, 0, 0, 0.35);
  transform: translateY(-6px);
}
.step.is-active .step__num { color: #fff; }
.step.is-active h3 { color: #fdba74; }

/* ---------- Revelado por scroll ---------- */
@media (prefers-reduced-motion: no-preference) {
  .js .reveal {
    opacity: 0; transform: translateY(18px);
    transition: opacity 0.6s ease, transform 0.6s ease;
  }
  .js .reveal.is-in { opacity: 1; transform: none; }
}

/* ---------- Reseñas: subrayado secuencial ---------- */
.reviews-title span { position: relative; display: inline-block; }
.reviews-title span::after {
  content: ""; position: absolute; left: 0; right: 0; bottom: 0.02em; height: 0.08em;
  background: var(--orange-600); border-radius: 3px;
  transform: scaleX(0); transform-origin: left;
}
.reviews-title.is-in span::after { animation: underlineGrow 0.7s ease forwards; }
.reviews-title.is-in span:nth-child(1)::after { animation-delay: 0.1s; }
.reviews-title.is-in span:nth-child(2)::after { animation-delay: 0.7s; }
.reviews-title.is-in span:nth-child(3)::after { animation-delay: 1.3s; }

/* ---------- Micro-interacciones ---------- */
.btn { transition: transform 0.15s ease, background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease; }
.btn:hover { transform: translateY(-1px); }
.btn--cta { box-shadow: 0 10px 24px -14px rgba(234, 88, 12, 0.9); }
.card { transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease; }
.card:hover { transform: translateY(-4px); box-shadow: 0 18px 40px -28px rgba(11, 27, 51, 0.5); }
.stats .stat { transition: transform 0.2s ease, border-color 0.2s ease; }
.stats .stat:hover { transform: translateY(-3px); border-top-color: var(--blue-600); }

@media (prefers-reduced-motion: reduce) {
  .pulse, .proof, .section--tone-dark::after, .site-footer::before { animation: none; }
  .topbar__track { animation: none; }
  .topbar__item[aria-hidden="true"] { display: none; }
  .hero-slide { transition: none; }
  .splash { display: none; }
  .services-bg { transition: none; }
  .service-card:hover, .service-card.is-active { transform: none; }
  .step.is-active { transform: none; }
}

/* ---------- Sectores que servimos (dinámico) ---------- */
.section--industries { position: relative; overflow: hidden; background: var(--navy-900); }
.industries-bg {
  position: absolute; inset: 0; background-size: cover; background-position: center;
  opacity: 0; transition: opacity 0.8s ease;
}
.industries-bg.is-on { opacity: 0.55; }
.section--industries::after {
  content: ""; position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(11,27,51,.90), rgba(11,27,51,.62));
}
.section--industries > .wrap { position: relative; z-index: 2; }

.industries {
  list-style: none; padding: 0; margin: 2.25rem 0 0;
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 0.75rem;
}
.industry {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-card);
  padding: 0.9rem 1rem; cursor: pointer;
  transition: transform 0.25s ease, background 0.25s ease, border-color 0.25s ease;
}
.industry__name {
  display: block; font-family: var(--font-display); font-weight: 600;
  color: #fff; font-size: 1rem;
}
.industry__note { display: block; font-size: 0.8125rem; color: #9fb3c9; margin-top: 0.25rem; }
.industry.is-active {
  background: rgba(250, 204, 21, 0.16);
  border-color: #facc15;
  transform: translateY(-4px);
}
.industry.is-active .industry__name { color: #facc15; }
.industry.is-active .industry__note { color: #e2e8f0; }

@media (max-width: 1080px) { .industries { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 760px) { .industries { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 460px) { .industries { grid-template-columns: 1fr; } }

/* ============================================================
   Hero oscuro: overrides finales (deben ir al final para ganar
   a las reglas base del hero y de la tarjeta de lead).
   ============================================================ */
.hero { background: var(--navy-900); color: #eaf2f8; }
.hero h1 { color: #fff; }
.hero .hl { color: #fdba74; }
.hero__sub { color: #cbd5e1; }
.hero__note { color: #9fb3c9; }
.hero__note svg { color: #4ade80; }
.hero__kicker { color: #7dd3fc; }
.hero__stats { border-top-color: rgba(255, 255, 255, 0.18); }
.hero__stats dt { color: #9fb3c9; }
.hero__stats dd { color: #fff; }
.hero .btn--ghost { color: #fff; border-color: rgba(255, 255, 255, 0.35); }
.hero .btn--ghost:hover { border-color: #fff; background: rgba(255, 255, 255, 0.08); }

.hero .lead-card { color: var(--navy-900); }
.hero .lead-card h2 { color: var(--navy-900); }
.hero .lead-card__sub { color: var(--slate-500); }
.hero .lead-card__legal { color: var(--slate-500); }
.hero .lead-card .field label { color: var(--navy-900); }
.hero .lead-card .req { color: var(--slate-500); }
.hero .lead-card input,
.hero .lead-card select,
.hero .lead-card textarea { color: var(--navy-900); }

/* El botón del nav heredaba el gris del enlace (contraste). */
.nav a.btn--cta,
.nav .btn--cta { background: #facc15; color: #0b1b33; box-shadow: 0 10px 24px -14px rgba(250, 204, 21, 0.95); }
.nav a.btn--cta:hover,
.nav .btn--cta:hover { background: #eab308; color: #0b1b33; }