/* ==========================================================================
   ProAutos — Servicio Automotriz · Viña del Mar
   Sistema de diseño v2: inspirado en peregrinogarage.cl (hero oscuro,
   tipografía Saira Condensed en mayúsculas, tarjetas técnicas de radio
   chico). Acento cromático: azul ProAutos (#1668e3) en vez del naranjo
   de la referencia.
   ========================================================================== */

:root {
  /* --- Neutros --- */
  --color-ink:        #141a2e;  /* texto principal sobre fondos claros */
  --color-navy-deep:  #0d1329;  /* nav, footer: el navy más oscuro */
  --color-navy:       #162149;  /* hero y secciones oscuras */
  --color-navy-soft:  #1d2a5c;  /* hover / elevación sobre navy */
  --color-paper:      #ffffff;
  --color-mist:       #f4f6fb;  /* alterna secciones claras */
  --color-line:       #e2e5ee;  /* hairline sobre claro */
  --color-steel:      #5b6280;  /* texto secundario sobre claro */
  --color-cloud:      #c3cbe3;  /* texto secundario sobre oscuro */
  --color-dark-border: rgba(255,255,255,.12);
  --color-dark-card:   rgba(255,255,255,.05);
  --color-dark-card-hover: rgba(255,255,255,.09);

  /* --- Acento de marca ProAutos --- */
  --pro-blue:        #1668e3;
  --pro-blue-deep:   #0c3c78;
  --pro-blue-glow:   #6c9ce4;
  --pro-blue-wash:   rgba(22, 104, 227, 0.08);
  --pro-blue-wash-dark: rgba(108, 156, 228, 0.14);

  --color-whatsapp: #25d366;
  --color-whatsapp-deep: #1da851;

  /* --- Tipografía ---
     Saira Condensed maneja titulares (peso 700-800, mayúsculas), Saira
     el resto (nav, body, botones). */
  --font-body:    "Saira", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: "Saira Condensed", "Saira", system-ui, sans-serif;

  --text-caption:    11px;  --leading-caption: 1.4;
  --text-body:       15px;  --leading-body: 1.6;
  --text-body-lg:    17px;  --leading-body-lg: 1.6;
  --text-subheading: 20px;  --leading-subheading: 1.35;
  --text-heading-sm: 24px;  --leading-heading-sm: 1.2;
  --text-heading-lg: 38px;  --leading-heading-lg: 1.08;
  --text-heading-xl: 50px;  --leading-heading-xl: 1.05;
  --text-display:    64px;  --leading-display: 1.02;

  --font-weight-regular: 400;
  --font-weight-medium:  500;
  --font-weight-semibold:600;
  --font-weight-bold:    700;
  --font-weight-heavy:   800;

  /* --- Spacing (base 8px) --- */
  --spacing-8: 8px;   --spacing-16: 16px; --spacing-24: 24px; --spacing-32: 32px;
  --spacing-40: 40px; --spacing-48: 48px; --spacing-56: 56px; --spacing-80: 80px;
  --spacing-112: 112px;

  /* --- Layout --- */
  --page-max-width: 1440px;
  --content-max-width: 1200px;
  --section-gap: 96px;
  --card-padding: 22px;
  --gutter: 40px;
  --nav-height: 72px;

  /* --- Radios: sistema técnico de radio chico (6-14px), pill solo para
     chips/badges y el botón ghost del hero --- */
  --radius-input:  8px;
  --radius-icon:   10px;
  --radius-btn:    10px;
  --radius-card:   14px;
  --radius-img:    14px;
  --radius-chip:   9999px;
  --radius-pill:   9999px;

  --shadow-card:  0 12px 28px rgba(13, 19, 41, 0.10);
  --shadow-float: 0 10px 28px rgba(13, 19, 41, 0.28);
}

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

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-body);
  line-height: var(--leading-body);
  font-weight: var(--font-weight-regular);
  -webkit-font-smoothing: antialiased;
}

img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; }
h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }

:focus-visible { outline: 2px solid var(--pro-blue); outline-offset: 3px; border-radius: var(--radius-input); }

.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* ==========================================================================
   Layout primitives
   ========================================================================== */
.shell {
  width: 100%;
  max-width: var(--content-max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.section { padding-block: var(--section-gap); }
.section--mist  { background: var(--color-mist); }
.section--navy  { background: var(--color-navy); color: var(--color-paper); }

.section-head { max-width: 720px; margin-bottom: var(--spacing-48); }
.section-head .eyebrow { color: var(--pro-blue); }
.section--navy .section-head .eyebrow { color: var(--pro-blue-glow); }
.section--navy .lede { color: var(--color-cloud); }

/* ==========================================================================
   Tipografía
   ========================================================================== */
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: var(--text-caption);
  font-weight: var(--font-weight-bold);
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--pro-blue);
  margin-bottom: var(--spacing-16);
}
.eyebrow::before { content:""; width: 20px; height: 2px; background: currentColor; border-radius: 2px; }

.h-xl {
  font-family: var(--font-display);
  font-size: clamp(34px, 5vw, var(--text-display));
  line-height: var(--leading-display);
  font-weight: var(--font-weight-heavy);
  text-transform: uppercase;
  letter-spacing: .01em;
}
.h-lg {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, var(--text-heading-xl));
  line-height: var(--leading-heading-xl);
  font-weight: var(--font-weight-heavy);
  text-transform: uppercase;
  letter-spacing: .01em;
}
.h-sm {
  font-family: var(--font-display);
  font-size: var(--text-heading-sm);
  line-height: var(--leading-heading-sm);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: .01em;
}
.accent-word { color: var(--pro-blue); }
.section--navy .accent-word { color: var(--pro-blue-glow); }

.lede {
  font-size: var(--text-body-lg);
  line-height: var(--leading-body-lg);
  color: var(--color-steel);
  max-width: 60ch;
}

/* ==========================================================================
   Botones
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-8);
  padding: 14px 26px;
  border-radius: var(--radius-btn);
  border: 1px solid transparent;
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: var(--font-weight-bold);
  letter-spacing: .02em;
  text-transform: uppercase;
  cursor: pointer;
  white-space: nowrap;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease, transform .18s ease;
}
.btn:active { transform: translateY(1px); }

.btn--accent { background: var(--pro-blue); color: var(--color-paper); }
.btn--accent:hover { background: var(--pro-blue-deep); }

.btn--whatsapp { background: var(--color-whatsapp); color: var(--color-paper); }
.btn--whatsapp:hover { background: var(--color-whatsapp-deep); }

.btn--dark { background: var(--color-navy-deep); color: var(--color-paper); }
.btn--dark:hover { background: var(--color-navy-soft); }

.btn--light { background: var(--color-mist); color: var(--color-ink); border-color: var(--color-line); }
.btn--light:hover { background: var(--color-line); }

.btn--ghost-light { background: transparent; border-color: rgba(255,255,255,.5); color: var(--color-paper); border-radius: var(--radius-pill); }
.btn--ghost-light:hover { background: rgba(255,255,255,.12); }

.btn--ghost-dark { background: transparent; border-color: var(--color-ink); color: var(--color-ink); }
.btn--ghost-dark:hover { background: var(--color-ink); color: var(--color-paper); }

.btn-row { display: flex; flex-wrap: wrap; gap: var(--spacing-16); }

/* Chips / pills */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--radius-chip);
  background: var(--color-mist);
  border: 1px solid var(--color-line);
  color: var(--color-ink);
  font-size: 12px;
  font-weight: var(--font-weight-semibold);
}
.chip--onDark { background: rgba(255,255,255,.08); border-color: var(--color-dark-border); color: var(--color-paper); }
.chip--accent { background: var(--pro-blue-wash); border-color: transparent; color: var(--pro-blue-deep); }

/* ==========================================================================
   Navegación
   ========================================================================== */
.nav {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--nav-height);
  background: var(--color-navy-deep);
  border-bottom: 1px solid var(--color-dark-border);
}
.nav__inner {
  height: 100%;
  max-width: var(--page-max-width);
  margin-inline: auto;
  padding-inline: var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--spacing-24);
}
.nav__brand {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: var(--font-weight-heavy);
  letter-spacing: .01em;
  text-transform: uppercase;
  color: var(--color-paper);
}
.nav__brand span { color: var(--pro-blue-glow); }

.nav__links { display: flex; align-items: center; gap: 4px; }
.nav__link {
  padding: 8px 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: .02em;
  color: var(--color-cloud);
  transition: background-color .18s ease, color .18s ease;
}
.nav__link:hover { background: rgba(255,255,255,.08); color: var(--color-paper); }
.nav__link--active { background: rgba(255,255,255,.1); color: var(--color-paper); }

.nav__actions { display: flex; align-items: center; gap: var(--spacing-8); }
.nav__actions .btn { padding: 10px 18px; font-size: 13px; }

.nav__toggle {
  display: none;
  width: 44px; height: 44px;
  align-items: center; justify-content: center;
  background: transparent;
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-pill);
  cursor: pointer;
}
.nav__toggle span {
  display: block; width: 16px; height: 1.5px;
  background: var(--color-paper);
  position: relative;
  transition: background-color .18s ease;
}
.nav__toggle span::before,
.nav__toggle span::after {
  content: ""; position: absolute; left: 0;
  width: 16px; height: 1.5px; background: var(--color-paper);
  transition: transform .22s ease;
}
.nav__toggle span::before { top: -5px; }
.nav__toggle span::after  { top: 5px; }
.nav[data-open="true"] .nav__toggle span { background: transparent; }
.nav[data-open="true"] .nav__toggle span::before { transform: translateY(5px) rotate(45deg); }
.nav[data-open="true"] .nav__toggle span::after  { transform: translateY(-5px) rotate(-45deg); }

/* ==========================================================================
   Hero — foto a sangre sobre navy, titular gigante en mayúsculas
   ========================================================================== */
.hero {
  position: relative;
  min-height: 92vh;
  margin-top: var(--nav-height);
  display: flex;
  align-items: flex-end;
  overflow: hidden;
  background: var(--color-navy);
}
.hero__media { position: absolute; inset: 0; }
.hero__media::after {
  content: "";
  position: absolute; inset: 0;
  background:
    linear-gradient(180deg, rgba(13,19,41,.55) 0%, rgba(13,19,41,.35) 32%, rgba(13,19,41,.78) 68%, rgba(13,19,41,.96) 100%),
    linear-gradient(90deg, rgba(13,19,41,.5) 0%, transparent 45%);
}
.hero__inner {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--page-max-width);
  margin-inline: auto;
  padding: var(--gutter) var(--gutter) var(--spacing-56);
  color: var(--color-paper);
}
.hero__meta {
  display: flex; flex-wrap: wrap; gap: var(--spacing-8);
  margin-bottom: var(--spacing-24);
}
.hero__title {
  max-width: 20ch;
  margin-block: 0 var(--spacing-16);
}
.hero__sub {
  max-width: 52ch;
  font-size: var(--text-body-lg);
  line-height: var(--leading-body-lg);
  color: rgba(255,255,255,.82);
  margin-bottom: var(--spacing-32);
}
.hero__cta { margin-bottom: var(--spacing-48); }

.hero__stats {
  display: flex; flex-wrap: wrap;
  gap: var(--spacing-40);
  padding-top: var(--spacing-32);
  border-top: 1px solid var(--color-dark-border);
}
.hero__stat-num {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: var(--font-weight-heavy);
  display: flex; align-items: center; gap: 6px;
}
.hero__stat-num svg { width: 22px; height: 22px; fill: var(--pro-blue-glow); }
.hero__stat-label {
  font-size: 12px;
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--color-cloud);
  margin-top: 2px;
}

/* ==========================================================================
   Placeholders / imágenes
   ========================================================================== */
.photo {
  position: relative;
  width: 100%; height: 100%;
  background-color: var(--color-navy-deep);
  overflow: hidden;
}
.photo__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

/* ==========================================================================
   Franja de insignias
   ========================================================================== */
.badges {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  border-top: 1px solid var(--color-dark-border);
  border-bottom: 1px solid var(--color-dark-border);
}
.badge {
  display: flex; align-items: center; gap: 12px;
  padding: var(--spacing-24) var(--spacing-16);
  border-inline-start: 1px solid var(--color-dark-border);
}
.badge:first-child { border-inline-start: 0; }
.badge__icon {
  flex: none;
  width: 36px; height: 36px;
  display: grid; place-items: center;
  border-radius: var(--radius-icon);
  background: var(--pro-blue-wash-dark);
  color: var(--pro-blue-glow);
}
.badge__icon svg { width: 18px; height: 18px; stroke: currentColor; fill: none; stroke-width: 1.8; }
.badge__label {
  font-family: var(--font-display);
  font-size: 13px;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: .02em;
  line-height: 1.25;
}

/* ==========================================================================
   Trabajos — mosaico embaldosado sobre navy
   ========================================================================== */
.gallery {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  grid-auto-rows: 220px;
  gap: var(--spacing-16);
}
.gallery__item {
  border-radius: var(--radius-img);
  overflow: hidden;
  background: var(--color-navy-deep);
  position: relative;
}
.gallery__item::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(13,19,41,.75) 100%);
  pointer-events: none;
}
.gallery__item--a { grid-column: span 4; }
.gallery__item--b { grid-column: span 2; grid-row: span 2; }
.gallery__item--c { grid-column: span 2; }
.gallery__item--d { grid-column: span 2; }
.gallery__item--e { grid-column: span 6; }

/* ==========================================================================
   Servicios — tarjetas técnicas sobre mist, radio chico
   ========================================================================== */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--spacing-24); }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--spacing-24); }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-24); }

.card {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: var(--card-padding);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-16);
  transition: border-color .2s ease, transform .2s ease, box-shadow .2s ease;
}
.card:hover { border-color: var(--pro-blue); transform: translateY(-2px); box-shadow: var(--shadow-card); }

.card__icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-icon);
  background: var(--pro-blue-wash);
  display: grid; place-items: center;
  color: var(--pro-blue);
}
.card__icon svg { width: 22px; height: 22px; stroke: currentColor; fill: none; stroke-width: 1.7; }
.card__title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: .01em;
}
.card__text { color: var(--color-steel); }

.card--featured { grid-column: span 2; }
.card--featured .card__icon { width: 56px; height: 56px; }
.card--featured .card__icon svg { width: 26px; height: 26px; }
.card--featured .card__title { font-size: 22px; }

/* Tarjetas oscuras (sección Por qué ProAutos) */
.card--dark {
  background: var(--color-dark-card);
  border-color: var(--color-dark-border);
  color: var(--color-paper);
}
.card--dark:hover { background: var(--color-dark-card-hover); border-color: var(--pro-blue-glow); box-shadow: none; }
.card--dark .card__icon { background: var(--pro-blue-wash-dark); color: var(--pro-blue-glow); }
.card--dark .card__text { color: var(--color-cloud); }

/* ==========================================================================
   Proceso — pasos numerados estilo ficha técnica
   ========================================================================== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--spacing-24); }
.step {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: var(--card-padding);
}
.step__num {
  font-family: var(--font-display);
  font-size: 34px;
  font-weight: var(--font-weight-heavy);
  color: var(--pro-blue);
  margin-bottom: var(--spacing-8);
}
.step__title {
  font-family: var(--font-display);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: .01em;
  margin-bottom: 6px;
}
.step__text { color: var(--color-steel); }

/* ==========================================================================
   Reseñas
   ========================================================================== */
.review {
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  padding: var(--card-padding);
  display: flex; flex-direction: column; gap: var(--spacing-16);
}
.review__stars { color: var(--pro-blue); letter-spacing: .12em; font-size: 14px; }
.review__text { font-size: var(--text-body-lg); line-height: var(--leading-body-lg); }
.review__author { display: flex; align-items: center; gap: 10px; margin-top: auto; }
.review__avatar {
  width: 34px; height: 34px; border-radius: var(--radius-pill);
  background: var(--pro-blue-wash); color: var(--pro-blue-deep);
  display: grid; place-items: center; font-size: 12px; font-weight: var(--font-weight-bold);
  font-family: var(--font-display);
}
.review__name { font-weight: var(--font-weight-semibold); }
.review__meta { color: var(--color-steel); font-size: 12px; }

.review-cta {
  max-width: 560px;
  padding: var(--spacing-48) var(--card-padding);
  background: var(--color-paper);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-16);
}
.review-cta__stars { color: var(--pro-blue); letter-spacing: .12em; font-size: 22px; }
.review-cta__text { color: var(--color-steel); font-size: var(--text-body-lg); line-height: var(--leading-body-lg); }

/* ==========================================================================
   FAQ — acordeón
   ========================================================================== */
.faq { border-top: 1px solid var(--color-dark-border); }
.faq__item { border-bottom: 1px solid var(--color-dark-border); }
.faq__q {
  width: 100%;
  display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-16);
  padding: var(--spacing-24) 0;
  background: none; border: 0; cursor: pointer;
  text-align: left;
  font-family: var(--font-display);
  font-size: var(--text-subheading);
  font-weight: var(--font-weight-bold);
  text-transform: uppercase;
  letter-spacing: .01em;
  color: var(--color-paper);
}
.faq__icon { position: relative; width: 14px; height: 14px; flex: none; }
.faq__icon::before, .faq__icon::after {
  content: ""; position: absolute; background: var(--pro-blue-glow);
  transition: transform .22s ease, opacity .22s ease;
}
.faq__icon::before { inset-block: 0; left: 6px; width: 1.5px; }
.faq__icon::after  { inset-inline: 0; top: 6px; height: 1.5px; }
.faq__item[data-open="true"] .faq__icon::before { transform: scaleY(0); opacity: 0; }

.faq__a { overflow: hidden; height: 0; transition: height .26s ease; }
.faq__a-inner { padding-bottom: var(--spacing-24); color: var(--color-cloud); max-width: 72ch; }

/* ==========================================================================
   Contacto
   ========================================================================== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: var(--spacing-48); align-items: start; }
.info-list { display: flex; flex-direction: column; }
.info-row {
  display: grid; grid-template-columns: 132px 1fr; gap: var(--spacing-16);
  padding-block: var(--spacing-16);
  border-bottom: 1px solid var(--color-line);
}
.info-row:first-child { border-top: 1px solid var(--color-line); }
.info-row__k { color: var(--color-steel); font-size: 12px; letter-spacing: .06em; text-transform: uppercase; padding-top: 2px; font-weight: var(--font-weight-semibold); }
.info-row__v { font-weight: var(--font-weight-medium); }
.info-row__v a:visited { color: var(--color-steel); }
.info-row__v a:hover { color: var(--pro-blue); }
.info-row__note { color: var(--color-steel); font-weight: var(--font-weight-regular); display: block; margin-top: 2px; }

.map {
  width: 100%; aspect-ratio: 4 / 3;
  border: 0;
  border-radius: var(--radius-img);
  background: var(--color-mist);
}

/* ==========================================================================
   Aviso legal / letra chica
   ========================================================================== */
.legal { background: var(--color-navy-deep); color: var(--color-cloud); }
.legal__inner { padding-block: var(--spacing-40); }
.legal p { font-size: 12px; line-height: 1.55; max-width: 92ch; }
.legal p + p { margin-top: 4px; }

/* ==========================================================================
   Footer
   ========================================================================== */
.footer { background: var(--color-navy-deep); color: var(--color-paper); padding-block: var(--spacing-56) var(--spacing-32); }
.footer__top { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: var(--spacing-40); }
.footer__brand {
  font-family: var(--font-display);
  font-size: 26px; font-weight: var(--font-weight-heavy);
  text-transform: uppercase;
  letter-spacing: .01em;
  margin-bottom: var(--spacing-16);
}
.footer__brand span { color: var(--pro-blue-glow); }
.footer__blurb { color: var(--color-cloud); max-width: 38ch; }
.footer__h {
  font-family: var(--font-display);
  font-size: 12px; letter-spacing: .1em; text-transform: uppercase;
  font-weight: var(--font-weight-bold);
  color: var(--color-cloud); margin-bottom: var(--spacing-16);
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { color: var(--color-cloud); }
.footer__links a:visited { color: var(--color-steel); }
.footer__links a:hover { color: var(--color-paper); }
.footer__bottom {
  margin-top: var(--spacing-48); padding-top: var(--spacing-24);
  border-top: 1px solid var(--color-dark-border);
  display: flex; justify-content: space-between; gap: var(--spacing-16); flex-wrap: wrap;
  color: var(--color-cloud); font-size: 12px;
}

/* ==========================================================================
   Botón flotante WhatsApp
   ========================================================================== */
.float-wa {
  position: fixed;
  right: var(--spacing-24); bottom: var(--spacing-24);
  z-index: 90;
  display: inline-flex; align-items: center; justify-content: center;
  width: 56px; height: 56px;
  border-radius: var(--radius-pill);
  background: var(--color-whatsapp);
  color: var(--color-paper);
  box-shadow: var(--shadow-float);
  transition: background-color .18s ease, transform .18s ease;
}
.float-wa:hover { background: var(--color-whatsapp-deep); transform: translateY(-2px); }
.float-wa svg { width: 26px; height: 26px; fill: currentColor; }

/* ==========================================================================
   Reveal on scroll
   ========================================================================== */
.reveal { opacity: 0; transform: translateY(16px); transition: opacity .6s ease, transform .6s ease; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal { opacity: 1; transform: none; } }

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width: 1040px) {
  .grid-3, .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .steps  { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr 1fr; }
  .badges { grid-template-columns: repeat(2, 1fr); }
  .badge:nth-child(3) { border-inline-start: 0; }

  .card--featured { grid-column: span 1; }
  .card--featured .card__icon { width: 44px; height: 44px; }
  .card--featured .card__icon svg { width: 22px; height: 22px; }
  .card--featured .card__title { font-size: 18px; }
}

@media (max-width: 860px) {
  :root { --gutter: 24px; --section-gap: 64px; }

  .nav__links {
    position: fixed;
    inset-block-start: var(--nav-height);
    inset-inline: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--color-navy-deep);
    border-bottom: 1px solid var(--color-dark-border);
    padding: var(--spacing-8) var(--gutter) var(--spacing-24);
    transform: translateY(-12px);
    opacity: 0;
    pointer-events: none;
    transition: opacity .2s ease, transform .2s ease;
  }
  .nav[data-open="true"] .nav__links { opacity: 1; transform: none; pointer-events: auto; }
  .nav__link { padding: 14px 8px; border-radius: 8px; }
  .nav__toggle { display: inline-flex; }
  .nav__actions .btn { padding: 10px 16px; }

  .hero { min-height: 86vh; }
  .hero__stats { gap: var(--spacing-24); }
  .contact-grid { grid-template-columns: 1fr; }

  .gallery { grid-template-columns: repeat(2, 1fr); grid-auto-rows: 190px; }
  .gallery__item--a { grid-column: span 2; }
  .gallery__item--b { grid-column: span 1; grid-row: span 1; }
  .gallery__item--c { grid-column: span 1; }
  .gallery__item--d { grid-column: span 2; }
  .gallery__item--e { grid-column: span 2; }
}

@media (max-width: 560px) {
  .grid-3, .grid-2, .grid-4, .steps { grid-template-columns: 1fr; }
  .badges { grid-template-columns: repeat(2, 1fr); }
  .footer__top { grid-template-columns: 1fr; }
  .info-row { grid-template-columns: 1fr; gap: 4px; }

  .gallery { grid-template-columns: 1fr; grid-auto-rows: 220px; }
  .gallery__item--a,
  .gallery__item--b,
  .gallery__item--c,
  .gallery__item--d,
  .gallery__item--e { grid-column: span 1; grid-row: span 1; }

  .float-wa { right: var(--spacing-16); bottom: var(--spacing-16); width: 52px; height: 52px; }
  .btn-row .btn { flex: 1 1 auto; }

  .card--featured { grid-column: span 1; }
}