/* ============================================================
   Limpiando.mx — Sistema de diseño
   Paleta sobria (navy + slate) con acento ámbar y verde WhatsApp.
   Un solo archivo. Sin dependencias externas (CSP estricta).
   ============================================================ */

/* Para usar Inter self-hosted: coloca inter-variable.woff2 en /assets/fonts/,
   descomenta este bloque y añade en cada página (opcional):
   <link rel="preload" href="/assets/fonts/inter-variable.woff2" as="font" type="font/woff2" crossorigin>
@font-face {
  font-family: "Inter";
  src: url("/assets/fonts/inter-variable.woff2") format("woff2");
  font-weight: 100 900;
  font-display: swap;
  font-style: normal;
}
*/

:root {
  /* Marca */
  --navy: #0E2A47;
  --navy-700: #163a5f;
  --navy-900: #0a2038;
  --slate: #64748B;
  --slate-200: #e2e8f0;
  --slate-100: #f1f5f9;
  --ink: #1e293b;
  --bg: #f8fafc;
  --white: #ffffff;
  --amber: #F97316;
  --amber-600: #ea580c;
  --wa: #25D366;
  --wa-600: #1ebe5a;

  /* Tipografía */
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;

  /* Escala / espacio */
  --wrap: 1140px;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow: 0 6px 24px rgba(14, 42, 71, 0.10);
  --shadow-sm: 0 2px 10px rgba(14, 42, 71, 0.08);
  --gap: clamp(1rem, 3vw, 2rem);
}

/* -------- Reset ligero -------- */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  font-weight: 400;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--navy); text-decoration: none; }
a:hover { text-decoration: underline; }
h1, h2, h3 { color: var(--navy); font-weight: 700; line-height: 1.2; margin: 0 0 .5em; }
h1 { font-size: clamp(1.9rem, 5vw, 2.9rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.1rem); }
h3 { font-size: 1.2rem; }
p { margin: 0 0 1rem; }
ul { margin: 0 0 1rem; padding-left: 1.2rem; }
li { margin-bottom: .35rem; }

.wrap { max-width: var(--wrap); margin-inline: auto; padding-inline: clamp(1rem, 4vw, 2rem); }
.section { padding-block: clamp(2.5rem, 6vw, 4.5rem); }
.section--tint { background: var(--white); }
.center { text-align: center; }
.lead { font-size: 1.15rem; color: var(--slate); max-width: 60ch; }
.center .lead { margin-inline: auto; }
.eyebrow { text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; font-weight: 700; color: var(--amber); margin-bottom: .5rem; }

/* -------- Skip link (accesibilidad) -------- */
.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--navy); color: #fff; padding: .6rem 1rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; }

/* -------- Botones -------- */
.btn {
  display: inline-flex; align-items: center; gap: .55rem;
  font-weight: 700; font-size: 1rem; line-height: 1;
  padding: .85rem 1.4rem; border-radius: 999px; border: 2px solid transparent;
  cursor: pointer; transition: transform .15s ease, background .2s ease, box-shadow .2s ease;
  text-decoration: none;
}
.btn:hover { text-decoration: none; transform: translateY(-2px); }
.btn:focus-visible { outline: 3px solid var(--amber); outline-offset: 3px; }
.btn svg { width: 20px; height: 20px; flex: none; }

.btn--wa { background: var(--wa); color: #073019; }
.btn--wa:hover { background: var(--wa-600); }
.btn--wa svg { fill: #073019; }

.btn--amber { background: var(--amber); color: #fff; }
.btn--amber:hover { background: var(--amber-600); }

.btn--ghost { background: transparent; color: var(--navy); border-color: var(--slate-200); }
.btn--ghost:hover { border-color: var(--navy); }

.btn--lg { padding: 1rem 1.8rem; font-size: 1.08rem; }
.btn--block { display: flex; width: 100%; justify-content: center; }

/* -------- Header -------- */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,.92); backdrop-filter: saturate(1.2) blur(8px);
  border-bottom: 1px solid var(--slate-200);
}
.site-header .wrap { display: flex; align-items: center; gap: 1rem; min-height: 80px; }
.brand { display: flex; align-items: center; gap: .6rem; font-weight: 800; color: var(--navy); font-size: 1.15rem; }
.brand:hover { text-decoration: none; }
.brand .logo-mark { width: 34px; height: 34px; flex: none; }
.brand-logo { height: 60px; width: auto; display: block; flex: none; }
@media (max-width: 480px) { .brand-logo { height: 51px; } }
.nav { margin-left: auto; }
.nav ul { display: flex; gap: 1.1rem; list-style: none; margin: 0; padding: 0; }
.nav a { color: var(--ink); font-weight: 600; font-size: .98rem; padding: .35rem 0; }
.nav a:hover, .nav a[aria-current="page"] { color: var(--amber); text-decoration: none; }
.header-cta { margin-left: .5rem; }

/* Menú móvil */
.nav-toggle { display: none; margin-left: auto; background: none; border: 0; cursor: pointer; padding: .4rem; }
.nav-toggle svg { width: 28px; height: 28px; stroke: var(--navy); }

@media (max-width: 900px) {
  .nav-toggle { display: inline-flex; }
  .header-cta { display: none; }
  .nav {
    position: fixed; inset: 80px 0 auto 0; margin: 0;
    background: #fff; border-bottom: 1px solid var(--slate-200);
    transform: translateY(-120%); transition: transform .25s ease; box-shadow: var(--shadow);
  }
  .nav[data-open="true"] { transform: translateY(0); }
  .nav ul { flex-direction: column; gap: 0; padding: .5rem 1rem 1rem; }
  .nav li { border-bottom: 1px solid var(--slate-100); }
  .nav a { display: block; padding: .9rem .2rem; }
  .nav .header-cta--mobile { display: block; margin-top: .8rem; }
}

/* -------- Hero -------- */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-900) 100%);
  color: #eaf1f8; position: relative; overflow: hidden;
}
.hero::after {
  content: ""; position: absolute; right: -10%; top: -30%;
  width: 60%; height: 160%; background: radial-gradient(closest-side, rgba(249,115,22,.18), transparent);
}
.hero .wrap { position: relative; padding-block: clamp(3rem, 8vw, 5.5rem); max-width: 820px; }
.hero h1 { color: #fff; }
.hero p { color: #c8d6e5; font-size: 1.2rem; max-width: 52ch; }
.hero .actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 1.5rem; }
.hero .trust { margin-top: 1.6rem; display: flex; flex-wrap: wrap; gap: .5rem 1.4rem; color: #a9bed4; font-size: .95rem; }
.hero .trust span { display: inline-flex; align-items: center; gap: .4rem; }
.hero .trust svg { width: 18px; height: 18px; fill: var(--amber); }

/* -------- Grid de servicios (tarjetas) -------- */
.cards { display: flex; flex-wrap: wrap; justify-content: center; gap: 1.2rem; }
.cards > .card { flex: 1 1 300px; max-width: 360px; }
.card {
  background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius);
  padding: 1.5rem; box-shadow: var(--shadow-sm); transition: transform .15s ease, box-shadow .2s ease;
  display: flex; flex-direction: column; gap: .5rem;
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.card .ico { width: 46px; height: 46px; color: var(--amber); }
.card .ico svg { width: 46px; height: 46px; }
.card h3 { margin: .4rem 0 .2rem; }
.card p { color: var(--slate); font-size: .98rem; margin: 0; }
.card .more { margin-top: auto; padding-top: .8rem; color: var(--amber); font-weight: 700; font-size: .95rem; }
.card:hover .more { text-decoration: underline; }

/* -------- Franja de ciudades -------- */
.cities {
  background: var(--navy); color: #dbe6f1; text-align: center;
}
.cities .wrap { padding-block: 2rem; }
.cities h2 { color: #fff; }
.city-list { display: flex; flex-wrap: wrap; justify-content: center; gap: .6rem 1rem; list-style: none; padding: 0; margin: 1rem 0 0; }
.city-list li {
  background: rgba(255,255,255,.08); border: 1px solid rgba(255,255,255,.16);
  padding: .5rem 1rem; border-radius: 999px; font-weight: 600; display: flex; align-items: center; gap: .45rem;
}
.city-list svg { width: 16px; height: 16px; fill: var(--amber); }

/* -------- Bloque "Servicio a domicilio" -------- */
.domicilio {
  display: flex; align-items: center; gap: 1rem; flex-wrap: wrap;
  background: #fff7ed; border: 1px solid #fed7aa; border-left: 5px solid var(--amber);
  border-radius: var(--radius-sm); padding: 1.1rem 1.3rem; color: #7c2d12;
}
.domicilio svg { width: 34px; height: 34px; fill: var(--amber); flex: none; }
.domicilio strong { color: #9a3412; }

/* -------- Desglose de servicios (checklist) -------- */
.checklist { list-style: none; padding: 0; display: grid; gap: .6rem; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.checklist li { display: flex; gap: .6rem; align-items: flex-start; margin: 0; }
.checklist svg { width: 22px; height: 22px; flex: none; margin-top: 2px; fill: var(--wa); }

/* -------- FAQ -------- */
.faq { display: grid; gap: .8rem; max-width: 780px; }
.faq details {
  background: #fff; border: 1px solid var(--slate-200); border-radius: var(--radius-sm); padding: .3rem 1.1rem;
}
.faq summary {
  cursor: pointer; font-weight: 700; color: var(--navy); padding: .8rem 0; list-style: none;
  display: flex; justify-content: space-between; align-items: center; gap: 1rem;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-size: 1.4rem; color: var(--amber); font-weight: 400; }
.faq details[open] summary::after { content: "\2013"; }
.faq details[open] summary { border-bottom: 1px solid var(--slate-100); }
.faq p { padding: .8rem 0 .4rem; margin: 0; color: var(--ink); }

/* -------- Galería / carrusel -------- */
.gallery { max-width: 640px; margin-inline: auto; }
.carousel { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: var(--slate-100); }
.carousel__track { display: flex; transition: transform .5s ease; }
.carousel__slide { min-width: 100%; }
.carousel__slide img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }
.carousel__btn {
  position: absolute; top: 50%; transform: translateY(-50%);
  width: 42px; height: 42px; border-radius: 50%; border: 0; cursor: pointer;
  background: rgba(14,42,71,.62); color: #fff; display: grid; place-items: center;
  transition: background .2s ease;
}
.carousel__btn:hover { background: rgba(14,42,71,.9); }
.carousel__btn:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }
.carousel__btn svg { width: 22px; height: 22px; stroke: #fff; }
.carousel__btn--prev { left: .6rem; }
.carousel__btn--next { right: .6rem; }
.carousel__dots { display: flex; justify-content: center; gap: .5rem; padding: .9rem 0 0; }
.carousel__dot {
  width: 11px; height: 11px; border-radius: 50%; border: 0; cursor: pointer;
  background: var(--slate-200); padding: 0; transition: background .2s ease, transform .2s ease;
}
.carousel__dot[aria-current="true"] { background: var(--amber); transform: scale(1.2); }
.carousel__dot:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; }

/* -------- Layout de subpágina de servicio -------- */
.service-head { background: linear-gradient(160deg, var(--navy) 0%, var(--navy-900) 100%); color: #eaf1f8; }
.service-head .wrap { padding-block: clamp(2.2rem, 6vw, 3.5rem); max-width: 760px; }
.service-head h1 { color: #fff; }
.service-head p { color: #c8d6e5; font-size: 1.15rem; margin: 0; }
.breadcrumb { font-size: .9rem; color: #a9bed4; margin-bottom: .8rem; }
.breadcrumb a { color: #cde0f4; }

.split { display: grid; gap: var(--gap); grid-template-columns: 1fr; }
@media (min-width: 860px) { .split { grid-template-columns: 1.1fr 1fr; align-items: start; } }

/* -------- CTA final -------- */
.cta-final { background: linear-gradient(160deg, var(--amber) 0%, var(--amber-600) 100%); color: #fff; text-align: center; }
.cta-final h2 { color: #fff; }
.cta-final p { color: #fff4ec; max-width: 52ch; margin-inline: auto; }
.cta-final .actions { display: flex; flex-wrap: wrap; gap: .8rem; justify-content: center; margin-top: 1.4rem; }
.cta-final .btn--wa { background: #fff; color: #073019; }
.cta-final .btn--wa:hover { background: #f0fff6; }

/* -------- Footer -------- */
.site-footer { background: var(--navy-900); color: #b9c9dc; padding-block: 2.5rem; font-size: .95rem; }
.site-footer .cols { display: grid; gap: 1.6rem; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
.site-footer h4 { color: #fff; font-size: 1rem; margin: 0 0 .7rem; }
.site-footer a { color: #cdd9e7; }
.site-footer a:hover { color: var(--amber); text-decoration: none; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: .4rem; }
.footer-wa { display: flex; flex-direction: column; gap: .6rem; }
.footer-bottom { margin-top: 2rem; padding-top: 1.2rem; border-top: 1px solid rgba(255,255,255,.12); display: flex; flex-wrap: wrap; gap: .5rem 1.2rem; justify-content: space-between; color: #8ba3bd; }

/* -------- Botón flotante WhatsApp (móvil) -------- */
.wa-float {
  position: fixed; right: 16px; bottom: 16px; z-index: 90;
  width: 58px; height: 58px; border-radius: 50%; background: var(--wa);
  display: grid; place-items: center; box-shadow: 0 8px 24px rgba(37,211,102,.45);
}
.wa-float:hover { background: var(--wa-600); }
.wa-float svg { width: 32px; height: 32px; fill: #fff; }
.wa-float:focus-visible { outline: 3px solid #fff; outline-offset: 3px; }

/* -------- Utilidades -------- */
.stack > * + * { margin-top: 1rem; }
.mt-2 { margin-top: 1.4rem; }
.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; }

@media (prefers-reduced-motion: reduce) {
  * { scroll-behavior: auto !important; }
  .carousel__track { transition: none !important; }
  .btn:hover, .card:hover { transform: none; }
}