/* =========================================================
   Mueble Express — Landing page
   Paleta y tipografía según el Manual de Marca v1.0
   ========================================================= */

:root {
  /* Paleta principal */
  --grafito: #2E2E2E;
  --grafito-900: #1F1F1F;
  --grafito-700: #3A3A3A;
  --cafe: #5A3B26;
  --cafe-700: #4A3020;
  --amarillo: #F5B82E;
  --amarillo-600: #E0A51C;
  --rojo: #D7261E;          /* exclusivo para precios */
  /* Apoyo */
  --blanco-roto: #F5F1EA;
  --gris-claro: #E4E4E4;
  --gris-medio: #8A8A8A;
  --texto: #262626;
  --texto-suave: #5C5C5C;
  --blanco: #FFFFFF;
  --wa: #25D366;
  --wa-700: #1EB457;

  /* Tipografía */
  --f-titulo: "Montserrat", "Arial Black", Arial, Helvetica, sans-serif;
  --f-texto: "Open Sans", Arial, Helvetica, sans-serif;

  /* Medidas */
  --radio: 6px;
  --radio-lg: 10px;
  --sombra: 0 10px 30px rgba(0, 0, 0, .12);
  --sombra-fuerte: 0 20px 50px rgba(0, 0, 0, .35);
  --header-h: 72px;
  --gutter: clamp(16px, 4vw, 32px);
}

/* ---------- Base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 8px); -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--f-texto);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--texto);
  background: var(--blanco-roto);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; }
h1, h2, h3, h4 { font-family: var(--f-titulo); line-height: 1.12; margin: 0 0 .5em; color: inherit; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); font-weight: 900; }
h2 { font-size: clamp(1.7rem, 3.6vw, 2.5rem); font-weight: 800; }
h3 { font-size: 1.2rem; font-weight: 800; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }
:focus-visible { outline: 3px solid var(--amarillo); outline-offset: 3px; }

.container { width: 100%; max-width: 1180px; margin: 0 auto; padding: 0 var(--gutter); }
.container.narrow { max-width: 860px; }

.skip-link { position: absolute; left: -999px; top: 8px; background: var(--amarillo); color: var(--grafito); padding: 8px 14px; z-index: 200; font-weight: 700; border-radius: var(--radio); }
.skip-link:focus { left: 8px; }

.ico { width: 1.15em; height: 1.15em; flex: none; vertical-align: -0.2em; }
.ico-lg { width: 32px; height: 32px; }

/* Marcadores de contenido pendiente: se ven resaltados para que no se publiquen por error.
   Al completar el dato, elimina el <span class="todo">. */
.todo {
  background: repeating-linear-gradient(135deg, rgba(245,184,46,.28) 0 6px, rgba(245,184,46,.16) 6px 12px);
  outline: 1px dashed var(--amarillo-600);
  border-radius: 3px;
  padding: 0 .25em;
  color: inherit;
}

/* ---------- Botones ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .55em;
  font-family: var(--f-titulo); font-weight: 800; font-size: 1rem; letter-spacing: .01em;
  padding: .85em 1.4em; border-radius: var(--radio); border: 2px solid transparent;
  text-decoration: none; transition: transform .15s ease, background-color .15s ease, border-color .15s ease, color .15s ease;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(0); }
.btn-lg { font-size: 1.05rem; padding: 1em 1.6em; }
.btn-sm { font-size: .9rem; padding: .6em 1em; }
.btn-block { width: 100%; }
.btn-wa { background: var(--wa); color: var(--grafito-900); }
.btn-wa:hover { background: var(--wa-700); }
.btn-ghost { border-color: rgba(255,255,255,.4); color: var(--blanco); }
.btn-ghost:hover { border-color: var(--amarillo); color: var(--amarillo); }
.btn-dark { background: var(--grafito); color: var(--blanco); }
.btn-dark:hover { background: var(--grafito-900); }

.link-arrow { font-family: var(--f-titulo); font-weight: 800; color: var(--cafe); text-decoration: none; display: inline-flex; align-items: center; gap: .4em; }
.link-arrow::after { content: "→"; transition: transform .15s ease; }
.link-arrow:hover::after { transform: translateX(4px); }

/* ---------- Encabezado ---------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(46,46,46,.97);
  backdrop-filter: saturate(140%) blur(8px);
  border-bottom: 3px solid var(--amarillo);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); gap: 24px; }
.brand img { height: 42px; width: auto; }
.main-nav { display: flex; align-items: center; gap: 28px; }
.main-nav ul { display: flex; gap: 22px; }
.main-nav ul a {
  color: var(--gris-claro); text-decoration: none; font-family: var(--f-titulo); font-weight: 700; font-size: .92rem;
  padding: 6px 0; border-bottom: 2px solid transparent; transition: color .15s, border-color .15s;
}
.main-nav ul a:hover, .main-nav ul a.is-active { color: var(--blanco); border-bottom-color: var(--amarillo); }
.nav-toggle { display: none; background: none; border: 0; width: 44px; height: 44px; padding: 10px; flex-direction: column; justify-content: space-between; }
.nav-toggle span { display: block; height: 3px; background: var(--blanco); border-radius: 2px; transition: transform .2s, opacity .2s; }
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(9.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-9.5px) rotate(-45deg); }

/* ---------- Hero ---------- */
.hero {
  position: relative; overflow: hidden;
  background:
    radial-gradient(1100px 500px at 85% 20%, rgba(90,59,38,.55), transparent 60%),
    linear-gradient(180deg, var(--grafito) 0%, var(--grafito-900) 100%);
  color: var(--blanco);
  padding: clamp(48px, 8vw, 96px) 0 clamp(72px, 10vw, 120px);
}
.hero-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: clamp(32px, 5vw, 64px); align-items: center; position: relative; z-index: 1; }
.hero h1 { color: var(--blanco); }
.hero .hl { color: var(--amarillo); }
.lead { font-size: clamp(1.05rem, 1.6vw, 1.2rem); color: var(--gris-claro); max-width: 36em; margin-bottom: 1.8em; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.hero-points { display: flex; flex-wrap: wrap; gap: 10px 22px; color: var(--gris-claro); font-size: .95rem; }
.hero-points li { display: flex; align-items: center; gap: 8px; }
.hero-points .ico { color: var(--amarillo); }
.hero-media { margin: 0; position: relative; }
.hero-media img {
  width: 100%; aspect-ratio: 4 / 5; object-fit: cover; border-radius: var(--radio-lg);
  box-shadow: var(--sombra-fuerte);
}
.hero-media::before {
  content: ""; position: absolute; inset: 18px -18px -18px 18px; border: 3px solid var(--amarillo); border-radius: var(--radio-lg); z-index: -1;
}
.hero-tag {
  position: absolute; left: -16px; bottom: 28px; background: var(--blanco-roto); color: var(--grafito);
  padding: 12px 18px; border-radius: var(--radio); box-shadow: var(--sombra); border-left: 5px solid var(--cafe);
  display: flex; flex-direction: column;
}
.hero-tag-title { font-family: var(--f-titulo); font-weight: 800; }
.hero-tag-sub { font-size: .85rem; color: var(--texto-suave); }

.kicker { font-family: var(--f-titulo); font-weight: 800; font-size: .8rem; letter-spacing: .14em; text-transform: uppercase; color: var(--cafe); margin-bottom: .8em; display: inline-flex; align-items: center; gap: 10px; }
.kicker::before { content: ""; width: 28px; height: 4px; background: var(--amarillo); border-radius: 2px; }
.kicker-light { color: var(--amarillo); }
.kicker-dark { color: var(--grafito); }
.kicker-dark::before { background: var(--grafito); }

/* Trazos de velocidad del logotipo como recurso gráfico */
.speed-lines { position: absolute; left: 0; bottom: 34px; display: grid; gap: 9px; z-index: 0; }
.speed-lines i { display: block; height: 7px; background: var(--amarillo); border-radius: 0 4px 4px 0; transform: skewX(-20deg); transform-origin: left; }
.speed-lines i:nth-child(1) { width: min(32vw, 380px); }
.speed-lines i:nth-child(2) { width: min(25vw, 290px); }
.speed-lines i:nth-child(3) { width: min(18vw, 200px); }

/* ---------- Cobertura ---------- */
.coverage { background: var(--cafe); color: var(--blanco); }
.coverage-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.coverage-item { display: flex; align-items: center; gap: 14px; padding: 22px 20px; }
.coverage-item + .coverage-item { border-left: 1px solid rgba(255,255,255,.15); }
.coverage-item .ico { color: var(--amarillo); }
.coverage-item strong { display: block; font-family: var(--f-titulo); font-weight: 800; }
.coverage-item span { font-size: .9rem; color: #E8DCCF; }

/* ---------- Secciones ---------- */
.section { padding: clamp(64px, 9vw, 110px) 0; }
.section-alt { background: var(--blanco); }
.section-dark { background: var(--grafito); color: var(--blanco); }
.section-head { max-width: 680px; margin-bottom: clamp(32px, 5vw, 52px); }
.section-sub { color: var(--texto-suave); font-size: 1.05rem; }
.section-dark .section-sub { color: var(--gris-claro); }

/* ---------- Servicios ---------- */
.services-grid { display: grid; grid-template-columns: 1.1fr 1fr; gap: 20px; }
.service-card {
  background: var(--blanco); border-radius: var(--radio-lg); padding: 26px; display: flex; flex-direction: column; gap: 16px;
  border: 1px solid var(--gris-claro); transition: transform .2s ease, box-shadow .2s ease;
}
.service-card:hover { transform: translateY(-3px); box-shadow: var(--sombra); }
.service-card p { color: var(--texto-suave); margin-bottom: 1.1em; }
.service-body { display: flex; flex-direction: column; flex: 1; }
.service-body .link-arrow { margin-top: auto; }
.service-icon { width: 56px; height: 56px; border-radius: var(--radio); background: var(--blanco-roto); display: grid; place-items: center; color: var(--cafe); border-bottom: 3px solid var(--amarillo); }
.service-icon .ico { width: 28px; height: 28px; }
.service-card--feature {
  grid-row: span 3; padding: 0; overflow: hidden; background: var(--grafito); color: var(--blanco); border: 0;
}
.service-card--feature img { width: 100%; flex: 1 1 0; min-height: 240px; height: 0; object-fit: cover; }
.service-card--feature .service-body { padding: 0 26px 26px; flex: none; }
.service-card--feature p { color: var(--gris-claro); }
.service-card--feature .link-arrow { color: var(--amarillo); }
.services-grid .service-card:not(.service-card--feature) { flex-direction: row; align-items: flex-start; }
.services-grid .service-card:not(.service-card--feature) h3 { margin-bottom: .3em; }

/* ---------- Galería ---------- */
.filters { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 24px; }
.filter-btn {
  border: 2px solid var(--gris-claro); background: var(--blanco); color: var(--grafito); font-family: var(--f-titulo); font-weight: 700; font-size: .9rem;
  padding: .45em 1.1em; border-radius: 999px; transition: all .15s;
}
.filter-btn:hover { border-color: var(--grafito); }
.filter-btn[aria-pressed="true"] { background: var(--grafito); border-color: var(--grafito); color: var(--blanco); }
.filter-btn .count { color: var(--gris-medio); font-weight: 600; margin-left: .3em; }
.filter-btn[aria-pressed="true"] .count { color: var(--amarillo); }

.gallery { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.g-item { margin: 0; position: relative; border-radius: var(--radio-lg); overflow: hidden; background: var(--grafito); }
.g-item[hidden] { display: none; }
.g-item:first-child { grid-column: span 2; grid-row: span 2; }
.g-open { display: block; width: 100%; height: 100%; padding: 0; border: 0; background: none; cursor: zoom-in; }
.g-item img { width: 100%; height: 100%; aspect-ratio: 4 / 5; object-fit: cover; transition: transform .4s ease, opacity .2s; }
.g-item:first-child .g-open { position: absolute; inset: 0; }
.g-item:first-child img {
  aspect-ratio: 1 / 1;
  min-height: 100%;
  object-fit: cover;
  object-position: center;
}
.g-item:hover img { transform: scale(1.04); }
.g-item figcaption {
  position: absolute; left: 0; right: 0; bottom: 0; padding: 34px 16px 14px; pointer-events: none;
  background: linear-gradient(transparent, rgba(31,31,31,.88)); color: var(--blanco); font-family: var(--f-titulo); font-weight: 700; font-size: .92rem;
}

/* ---------- Proyecto destacado (post-galería) ---------- */
.showcase-grid {
  display: grid; grid-template-columns: 1fr 1.05fr; gap: clamp(28px, 5vw, 56px); align-items: center;
}
.showcase-media { margin: 0; position: relative; border-radius: var(--radio-lg); overflow: hidden; box-shadow: var(--sombra); background: var(--grafito); }
.showcase-media img {
  width: 100%;
  display: block;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  /* Encuadre cocina completa (evita isla/barra y rótulo inferior del JPEG) */
  object-position: center 38%;
}
.showcase-caption {
  position: absolute; left: 14px; bottom: 14px; right: 14px;
  padding: 10px 14px; border-radius: var(--radio);
  background: rgba(31, 31, 31, .88); color: var(--blanco);
  font-family: var(--f-titulo); font-weight: 700; font-size: .88rem;
}
.showcase-points { display: grid; gap: 12px; margin: 0 0 24px; }
.showcase-points li { display: flex; align-items: flex-start; gap: 10px; color: var(--texto-suave); font-size: .98rem; line-height: 1.45; }
.showcase-points .ico { color: var(--cafe); margin-top: 3px; }
.showcase-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.showcase-actions .btn { flex: 1 1 200px; justify-content: center; }

/* ---------- Antes y después (legacy; reservado por si se usa de nuevo) ---------- */
.ba { position: relative; aspect-ratio: 16 / 10; border-radius: var(--radio-lg); overflow: hidden; box-shadow: var(--sombra); background: var(--grafito); user-select: none; touch-action: pan-y; }
.ba-layer { position: absolute; inset: 0; }
.ba-layer img, .ba-placeholder { width: 100%; height: 100%; object-fit: cover; }
.ba-before { clip-path: inset(0 calc(100% - var(--pos)) 0 0); }
.ba-placeholder { display: grid; align-items: center; justify-items: start; padding: 0 8%; text-align: center; background: repeating-linear-gradient(135deg, #D9D4CC 0 14px, #CFC9C0 14px 28px); color: var(--grafito); font-family: var(--f-titulo); font-weight: 700; }
.ba-placeholder--after { justify-items: end; background: repeating-linear-gradient(135deg, #6B4A33 0 14px, #5A3B26 14px 28px); color: var(--blanco); }
.ba-label { position: absolute; top: 14px; left: 14px; background: var(--grafito); color: var(--blanco); font-family: var(--f-titulo); font-weight: 800; font-size: .8rem; letter-spacing: .1em; text-transform: uppercase; padding: 6px 12px; border-radius: var(--radio); }
.ba-label--right { left: auto; right: 14px; background: var(--amarillo); color: var(--grafito); }
.ba-handle { position: absolute; top: 0; bottom: 0; left: var(--pos); width: 4px; margin-left: -2px; background: var(--amarillo); pointer-events: none; }
.ba-handle span { position: absolute; top: 50%; left: 50%; width: 46px; height: 46px; margin: -23px 0 0 -23px; border-radius: 50%; background: var(--amarillo); box-shadow: 0 4px 14px rgba(0,0,0,.35); }
.ba-handle span::before { content: "‹ ›"; position: absolute; inset: 0; display: grid; place-items: center; font-weight: 900; color: var(--grafito); letter-spacing: 2px; }
.ba-range { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: ew-resize; margin: 0; }
.ba-range:focus-visible + * , .ba:focus-within { outline: 3px solid var(--amarillo); outline-offset: 3px; }

/* ---------- Promoción ---------- */
.promo { background: var(--amarillo); color: var(--grafito); padding: clamp(56px, 8vw, 96px) 0; position: relative; overflow: hidden; }
.promo::after { content: ""; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border: 28px solid rgba(46,46,46,.07); border-radius: 50%; }
.promo-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(28px, 5vw, 64px); align-items: center; position: relative; z-index: 1; }
.promo-media { margin: 0; }
.promo-media img { border-radius: var(--radio-lg); box-shadow: var(--sombra-fuerte); aspect-ratio: 4 / 5; object-fit: cover; width: 100%; }
.promo h2 { color: var(--grafito); }
.price-tag {
  display: inline-flex; align-items: baseline; gap: 10px; background: var(--rojo); color: var(--blanco);
  padding: 12px 26px 14px; border-radius: var(--radio); box-shadow: 0 10px 24px rgba(215,38,30,.35); margin: 6px 0 18px;
  transform: rotate(-2deg);
}
.price { font-family: var(--f-titulo); font-weight: 900; font-size: clamp(2.6rem, 6vw, 3.8rem); line-height: 1; }
.currency { font-family: var(--f-titulo); font-weight: 800; font-size: 1rem; }
.promo-terms { max-width: 34em; font-size: 1rem; }

/* ---------- Proceso ---------- */
.steps { display: grid; grid-template-columns: repeat(5, 1fr); gap: 18px; counter-reset: s; position: relative; }
.steps::before { content: ""; position: absolute; top: 27px; left: 8%; right: 8%; height: 3px; background: repeating-linear-gradient(90deg, var(--amarillo) 0 14px, transparent 14px 22px); }
.step { position: relative; background: var(--blanco); border-radius: var(--radio-lg); padding: 70px 20px 22px; border: 1px solid var(--gris-claro); }
.step-n {
  position: absolute; top: 0; left: 20px; width: 56px; height: 56px; border-radius: 50%; background: var(--grafito); color: var(--amarillo);
  display: grid; place-items: center; font-family: var(--f-titulo); font-weight: 900; font-size: 1.4rem; border: 4px solid var(--blanco-roto);
}
.step h3 { margin-bottom: .35em; }
.step p { color: var(--texto-suave); font-size: .95rem; margin: 0; }

/* ---------- Garantías ---------- */
.section-dark h2 { color: var(--blanco); }
.guarantees { display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; }
.g-card { background: var(--grafito-700); border-radius: var(--radio-lg); padding: 26px 22px; border-top: 4px solid var(--amarillo); }
.g-card .ico { color: var(--amarillo); margin-bottom: 14px; }
.g-card h3 { color: var(--blanco); }
.g-card p { color: var(--gris-claro); margin: 0; font-size: .95rem; }
.section-dark .todo { color: var(--blanco); }
.fine-print { margin: 26px 0 0; font-size: .85rem; color: var(--gris-medio); }

/* ---------- Testimonios ---------- */
.testimonials { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.t-card { margin: 0; background: var(--blanco-roto); border-radius: var(--radio-lg); padding: 28px; display: flex; flex-direction: column; justify-content: space-between; gap: 18px; position: relative; }
.t-card::before { content: "“"; font-family: var(--f-titulo); font-weight: 900; font-size: 4rem; line-height: .6; color: var(--amarillo); }
.t-card blockquote { margin: 0; font-size: 1.02rem; }
.t-card blockquote p { margin: 0; }
.t-card figcaption { display: flex; flex-direction: column; border-top: 1px solid var(--gris-claro); padding-top: 14px; }
.t-card figcaption span { font-size: .88rem; color: var(--texto-suave); }

/* ---------- Preguntas frecuentes ---------- */
.faq { display: grid; gap: 10px; }
.faq details { background: var(--blanco); border: 1px solid var(--gris-claro); border-radius: var(--radio); overflow: hidden; }
.faq summary {
  list-style: none; cursor: pointer; padding: 18px 56px 18px 20px; font-family: var(--f-titulo); font-weight: 700; position: relative;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: "+"; position: absolute; right: 18px; top: 50%; transform: translateY(-50%); width: 28px; height: 28px; border-radius: 50%;
  background: var(--blanco-roto); display: grid; place-items: center; font-size: 1.2rem; color: var(--cafe); transition: transform .2s;
}
.faq details[open] summary::after { content: "–"; background: var(--amarillo); color: var(--grafito); }
.faq details[open] summary { border-bottom: 1px solid var(--gris-claro); }
.faq details p { padding: 16px 20px 18px; margin: 0; color: var(--texto-suave); }

/* ---------- Contacto ---------- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(32px, 5vw, 64px); align-items: start; }
.contact-list { display: grid; gap: 18px; margin-top: 28px; }
.contact-list li { display: flex; gap: 14px; align-items: flex-start; }
.contact-list .ico { width: 42px; height: 42px; padding: 10px; border-radius: var(--radio); background: var(--blanco-roto); color: var(--cafe); }
.contact-list strong { display: block; font-family: var(--f-titulo); font-weight: 800; }
.contact-list a { color: var(--texto); }
.contact-list a:hover { color: var(--cafe); }

.quote-form { background: var(--grafito); color: var(--blanco); border-radius: var(--radio-lg); padding: clamp(24px, 4vw, 36px); box-shadow: var(--sombra-fuerte); border-top: 5px solid var(--amarillo); }
.quote-form h3 { font-size: 1.5rem; margin-bottom: .2em; }
.form-note { color: var(--gris-claro); font-size: .92rem; margin-bottom: 22px; }
.field { display: flex; flex-direction: column; gap: 6px; margin-bottom: 14px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.field label { font-family: var(--f-titulo); font-weight: 700; font-size: .88rem; }
.optional { font-weight: 600; color: var(--gris-medio); }
.field input, .field select, .field textarea {
  font: inherit; color: var(--texto); background: var(--blanco); border: 2px solid transparent; border-radius: var(--radio); padding: .75em .9em; width: 100%;
  transition: border-color .15s;
}
.field textarea { resize: vertical; min-height: 88px; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--amarillo); }
.field.has-error input, .field.has-error select { border-color: #FF6B63; }
.field-error { color: #FF8C85; font-size: .82rem; min-height: 0; }
.field-error:empty { display: none; }
.check { display: flex; gap: 10px; align-items: flex-start; font-size: .9rem; color: var(--gris-claro); margin: 6px 0 4px; }
.check input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--amarillo); }
.check a { color: var(--amarillo); }
.field-error--check { display: block; margin-bottom: 10px; }
.quote-form .btn { margin-top: 14px; }
.form-success { margin: 14px 0 0; padding: 12px 14px; background: rgba(37,211,102,.14); border-left: 4px solid var(--wa); border-radius: var(--radio); font-size: .92rem; }

/* ---------- Pie ---------- */
.site-footer { background: var(--grafito-900); color: var(--gris-claro); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 32px; padding-bottom: 40px; }
.footer-brand img { height: 52px; width: auto; margin-bottom: 16px; }
.footer-brand p { font-size: .92rem; max-width: 32em; }
.footer-social { display: flex; gap: 10px; margin-top: 18px; }
.footer-social a {
  width: 42px; height: 42px; display: grid; place-items: center; border-radius: var(--radio);
  border: 1px solid rgba(255, 255, 255, .18); color: var(--gris-claro);
  transition: color .2s, border-color .2s, background-color .2s;
}
.footer-social a:hover { color: var(--blanco); border-color: var(--amarillo); background: rgba(245, 184, 46, .12); }
.footer-social .ico { width: 20px; height: 20px; }
.site-footer h4 { color: var(--blanco); font-size: .95rem; margin-bottom: 14px; }
.site-footer ul { display: grid; gap: 8px; }
.site-footer a { color: var(--gris-claro); text-decoration: none; font-size: .92rem; }
.site-footer a:hover { color: var(--amarillo); }
.site-footer p { font-size: .92rem; }
.footer-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; border-top: 1px solid rgba(255,255,255,.1); padding-top: 18px; padding-bottom: 90px; font-size: .85rem; color: var(--gris-medio); }

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

/* ---------- Widget WhatsApp flotante ---------- */
.wa-widget {
  position: fixed;
  right: max(1.125rem, env(safe-area-inset-right));
  bottom: max(1.125rem, env(safe-area-inset-bottom));
  z-index: 90;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: .75rem;
}
.wa-widget__panel {
  display: flex;
  flex-direction: column;
  width: min(22rem, calc(100vw - 2.5rem));
  overflow: hidden;
  border-radius: 1rem;
  border: 1px solid rgba(0, 0, 0, .08);
  background: var(--blanco);
  box-shadow: 0 18px 50px rgba(0, 0, 0, .18);
}
.wa-widget__panel[hidden] { display: none; }
.wa-widget__head {
  display: flex; align-items: center; gap: .75rem;
  padding: .75rem; background: #075e54; color: var(--blanco);
}
.wa-widget__avatar {
  display: flex; align-items: center; justify-content: center;
  width: 2.5rem; height: 2.5rem; border-radius: 50%;
  background: rgba(255, 255, 255, .15); flex-shrink: 0;
}
.wa-widget__avatar .ico { width: 1.25rem; height: 1.25rem; }
.wa-widget__meta { min-width: 0; flex: 1; }
.wa-widget__title {
  display: block; font-family: var(--f-titulo); font-weight: 700; font-size: .8125rem;
  line-height: 1.25; letter-spacing: .01em;
}
.wa-widget__status { display: block; font-size: .6875rem; font-weight: 600; color: rgba(255, 255, 255, .75); }
.wa-widget__head-close {
  padding: .35rem; border: 0; border-radius: 50%; background: transparent;
  color: rgba(255, 255, 255, .85); cursor: pointer; line-height: 0;
}
.wa-widget__head-close:hover { background: rgba(255, 255, 255, .1); color: var(--blanco); }
.wa-widget__head-close .ico { width: 1rem; height: 1rem; }
.wa-widget__body {
  position: relative; min-height: 9.5rem; padding: 1rem .75rem;
  background: #e5ddd5;
}
.wa-widget__body::before {
  content: ""; position: absolute; inset: 0; pointer-events: none; opacity: .12;
  background-image: radial-gradient(circle at 1px 1px, #6b7280 1px, transparent 0);
  background-size: 18px 18px;
}
.wa-widget__bubble {
  position: relative; max-width: 92%; margin: 0;
  padding: .5rem .75rem; border-radius: 1rem; border-top-left-radius: .375rem;
  background: var(--blanco); color: #1a1a1a; font-size: .8125rem; line-height: 1.4;
  box-shadow: 0 1px 1px rgba(0, 0, 0, .12);
}
.wa-widget__form {
  display: flex; align-items: flex-end; gap: .5rem;
  padding: .75rem; border-top: 1px solid rgba(0, 0, 0, .06); background: #f0f2f5;
}
.wa-widget__input {
  flex: 1; min-height: 2.5rem; max-height: 6rem; resize: none;
  padding: .5rem .75rem; border: 1px solid rgba(0, 0, 0, .1); border-radius: .75rem;
  background: var(--blanco); color: #111; font: inherit; font-size: .8125rem; line-height: 1.35;
  outline: none;
}
.wa-widget__input::placeholder { color: rgba(0, 0, 0, .4); }
.wa-widget__input:focus { border-color: rgba(37, 211, 102, .85); box-shadow: 0 0 0 1px rgba(37, 211, 102, .35); }
.wa-widget__send {
  display: inline-flex; align-items: center; gap: .35rem; flex-shrink: 0;
  height: 2.5rem; padding: 0 .875rem; border: 0; border-radius: 999px;
  background: var(--wa); color: var(--blanco); font-weight: 700; font-size: .875rem;
  cursor: pointer; transition: background .2s, opacity .2s;
}
.wa-widget__send .ico { width: .875rem; height: .875rem; }
.wa-widget__send:hover:not(:disabled) { background: var(--wa-700); }
.wa-widget__send:disabled { opacity: .4; cursor: not-allowed; }
.wa-widget__toggle {
  position: relative;
  display: grid; place-items: center;
  width: 60px; height: 60px; padding: 0; border: 0;
  border-radius: 50%; background: var(--wa); color: var(--blanco); cursor: pointer;
  box-shadow: 0 8px 24px rgba(0, 0, 0, .3);
  transition: transform .2s ease, background .2s;
}
.wa-widget__toggle .ico { width: 32px; height: 32px; }
.wa-widget__toggle:hover { transform: scale(1.07); background: var(--wa-700); }
.wa-widget:not(.is-open) .wa-widget__toggle::after {
  content: ""; position: absolute; inset: 0; border-radius: 50%;
  border: 2px solid var(--wa); animation: wa-pulse 2.4s ease-out infinite; pointer-events: none;
}
@keyframes wa-pulse { 0% { transform: scale(1); opacity: .8; } 100% { transform: scale(1.5); opacity: 0; } }
.wa-widget__icon--close { display: none; width: 28px; height: 28px; }
.wa-widget.is-open .wa-widget__icon--wa { display: none; }
.wa-widget.is-open .wa-widget__icon--close { display: block; }

/* ---------- Lightbox ---------- */
.lightbox { position: fixed; inset: 0; z-index: 300; background: rgba(20,20,20,.94); display: grid; grid-template-columns: 64px 1fr 64px; align-items: center; padding: 24px 8px; }
.lightbox[hidden] { display: none; }
.lb-figure { margin: 0; display: flex; flex-direction: column; align-items: center; gap: 12px; max-height: 100%; }
.lb-figure img { max-height: calc(100vh - 110px); width: auto; max-width: 100%; border-radius: var(--radio); object-fit: contain; }
.lb-figure figcaption { color: var(--gris-claro); font-family: var(--f-titulo); font-weight: 700; text-align: center; }
.lb-close, .lb-nav { background: rgba(255,255,255,.08); color: var(--blanco); border: 0; border-radius: 50%; width: 48px; height: 48px; font-size: 1.8rem; line-height: 1; display: grid; place-items: center; justify-self: center; }
.lb-close:hover, .lb-nav:hover { background: var(--amarillo); color: var(--grafito); }
.lb-close { position: absolute; top: 16px; right: 16px; }

/* ---------- Animación de entrada ---------- */
.js .reveal { opacity: 0; transform: translateY(18px); transition: opacity .6s ease, transform .6s ease; }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .js .reveal { opacity: 1; transform: none; transition: none; }
  * { transition-duration: .01ms !important; }
  .wa-widget:not(.is-open) .wa-widget__toggle::after { animation: none; }
}

/* =========================================================
   Responsivo
   ========================================================= */
@media (max-width: 1080px) {
  .steps { grid-template-columns: repeat(3, 1fr); }
  .steps::before { display: none; }
  .guarantees { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 920px) {
  :root { --header-h: 64px; }
  /* backdrop-filter en el header crea un containing block: el nav fixed quedaba ~0px de alto */
  .site-header {
    -webkit-backdrop-filter: none;
    backdrop-filter: none;
    background: var(--grafito);
  }
  .nav-toggle { display: flex; position: relative; z-index: 120; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    left: 0;
    right: 0;
    height: calc(100dvh - var(--header-h));
    height: calc(100svh - var(--header-h));
    z-index: 110;
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px var(--gutter) max(28px, env(safe-area-inset-bottom));
    background: var(--grafito);
    border-top: 1px solid rgba(255, 255, 255, .08);
    overflow-y: auto;
    -webkit-overflow-scrolling: touch;
    opacity: 0;
    visibility: hidden;
    transform: translateX(100%);
    transition: transform .3s ease, opacity .25s ease, visibility .3s;
  }
  .main-nav.is-open {
    opacity: 1;
    visibility: visible;
    transform: none;
  }
  .main-nav ul { flex-direction: column; gap: 0; flex: 0 0 auto; }
  .main-nav ul a { display: block; padding: 16px 4px; font-size: 1.1rem; border-bottom: 1px solid rgba(255,255,255,.08); }
  .main-nav ul a:hover, .main-nav ul a.is-active { border-bottom-color: rgba(255,255,255,.08); color: var(--amarillo); }
  .nav-cta { margin-top: auto; padding: 1em; font-size: 1rem; width: 100%; justify-content: center; }
  .brand img { height: 36px; }

  .hero-grid { grid-template-columns: 1fr; }
  .hero-media { max-width: 520px; }
  .hero-media img { aspect-ratio: 4 / 3; }
  .coverage-grid { grid-template-columns: 1fr; }
  .coverage-item { padding: 16px 0; }
  .coverage-item + .coverage-item { border-left: 0; border-top: 1px solid rgba(255,255,255,.15); }
  .services-grid { grid-template-columns: 1fr; }
  .service-card--feature { grid-row: auto; }
  .service-card--feature img { flex: none; height: auto; aspect-ratio: 16 / 10; min-height: 0; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
  .g-item:first-child { grid-row: auto; }
  .g-item:first-child .g-open { position: static; }
  .g-item:first-child img { aspect-ratio: 4 / 3; }
  .promo-grid { grid-template-columns: 1fr; }
  .promo-media { max-width: 420px; }
  .promo-media img { aspect-ratio: 4 / 3; }
  .testimonials { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
  .showcase-grid { grid-template-columns: 1fr; }
  .showcase-media { max-width: min(520px, 100%); margin-inline: auto; width: 100%; }
  .showcase-media img { aspect-ratio: 4 / 5; object-position: center 38%; }
  .showcase-actions .btn { width: 100%; flex: none; }
}

@media (max-width: 600px) {
  .hero-actions .btn { width: 100%; }
  .hero-tag { left: 10px; bottom: 14px; }
  .hero-media::before { inset: 10px -6px -10px 10px; }
  .speed-lines { bottom: 18px; }
  .speed-lines i { height: 5px; }
  .gallery { grid-template-columns: 1fr 1fr; gap: 10px; }
  .g-item:first-child img { aspect-ratio: 1 / 1; }
  .g-item figcaption { font-size: .8rem; padding: 26px 10px 10px; }
  .showcase-media img { aspect-ratio: 4 / 5; object-position: center 38%; }
  .steps { grid-template-columns: 1fr; }
  .guarantees { grid-template-columns: 1fr; }
  .ba { aspect-ratio: 4 / 3; }
  .field-row { grid-template-columns: 1fr; gap: 0; }
  .services-grid .service-card:not(.service-card--feature) { flex-direction: column; }
  .footer-grid { grid-template-columns: 1fr; }
  .lightbox { grid-template-columns: 44px 1fr 44px; padding: 16px 4px; }
  .lb-nav { width: 40px; height: 40px; }
}