/* Blanc — limpieza de casas y oficinas en Barcelona
   Hoja de estilos compartida por la portada y las páginas de servicio. */

@import url('https://fonts.googleapis.com/css2?family=Source+Serif+4:opsz,wght@8..60,400;8..60,500;8..60,600&family=Figtree:wght@400;500;600;700&display=swap');

:root {
  --blanc: #ffffff;
  --calc: #f3f6f4;        /* banda clara, tono cal */
  --calc-2: #e6ede9;
  --tinta: #1f2a30;
  --tinta-2: #55636b;
  --tinta-3: #8a959b;
  --verd: #3f7159;        /* verde persiana */
  --verd-fosc: #2f5744;
  --verd-clar: #dbe8e0;
  --blau: #7fa3b8;        /* azul rajola hidráulica */

  --r: 24px;
  --r-sm: 14px;
  --serif: 'Source Serif 4', Georgia, 'Times New Roman', serif;
  --sans: 'Figtree', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

* { box-sizing: border-box; }
html { color-scheme: light; scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  background: var(--blanc);
  color: var(--tinta);
  font-family: var(--sans);
  font-size: 17px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3 {
  font-family: var(--serif);
  font-weight: 500;
  margin: 0;
  line-height: 1.1;
  letter-spacing: -0.012em;
  text-wrap: balance;
}
h1 { font-size: clamp(40px, 5.2vw, 68px); }
h2 { font-size: clamp(30px, 3.4vw, 44px); }
h3 { font-size: clamp(24px, 2.2vw, 28px); }
h4 { font-family: var(--sans); font-weight: 600; font-size: 19px; line-height: 1.3; margin: 0; }
p { margin: 0; }
a { color: inherit; }
img { display: block; max-width: 100%; }

:focus-visible { outline: 2px solid var(--verd); outline-offset: 3px; border-radius: 4px; }

.wrap { max-width: 1180px; margin: 0 auto; padding-inline: 40px; }
@media (max-width: 700px) { .wrap { padding-inline: 22px; } }

.muted { color: var(--tinta-2); }
.lead { font-size: 20px; line-height: 1.55; color: var(--tinta-2); max-width: 56ch; }
.text-link {
  color: var(--verd-fosc);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1.5px;
  text-underline-offset: 4px;
  text-decoration-color: var(--verd-clar);
  transition: text-decoration-color .15s;
}
.text-link:hover { text-decoration-color: var(--verd); }

/* Fotografías */
.foto { border-radius: var(--r); overflow: hidden; background: var(--calc-2); }
.foto img { width: 100%; height: 100%; object-fit: cover; }
.foto.wide { aspect-ratio: 21 / 9; }
.foto.land { aspect-ratio: 4 / 3; }
.foto.sq { aspect-ratio: 1 / 1; }
.foto.tall { aspect-ratio: 3 / 4; }

/* Botones */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  border: 0;
  background: var(--verd);
  color: #fff;
  font: 600 16px/1 var(--sans);
  text-decoration: none;
  cursor: pointer;
  transition: background .15s;
}
.btn:hover { background: var(--verd-fosc); }
.btn.light { background: var(--verd-clar); color: var(--verd-fosc); }
.btn.light:hover { background: var(--calc-2); }
.btn.sm { padding: 11px 18px; font-size: 15px; }
.btn svg { width: 18px; height: 18px; }

/* Listas con marca de verificación */
.checks { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.checks li { position: relative; padding-left: 32px; line-height: 1.5; }
.checks li::before {
  content: ""; position: absolute; left: 0; top: 3px;
  width: 20px; height: 20px; border-radius: 50%;
  background: var(--verd-clar) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%232f5744' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5.5 10.5l3 3 6-7'/%3E%3C/svg%3E") center / 20px no-repeat;
}

/* ---------- Cabecera ---------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.92);
  backdrop-filter: saturate(1.2) blur(10px);
}
.nav { display: flex; align-items: center; justify-content: space-between; gap: 24px; padding-block: 18px; }
.wordmark {
  font-family: var(--serif); font-weight: 600; font-size: 27px; letter-spacing: -0.01em;
  color: var(--tinta); text-decoration: none; line-height: 1;
}
.wordmark small { display: block; font: 500 12px/1 var(--sans); color: var(--tinta-3); margin-top: 5px; letter-spacing: 0; }
.nav-links { display: flex; gap: 28px; align-items: center; }
.nav-links a { font-weight: 500; font-size: 15.5px; color: var(--tinta-2); text-decoration: none; transition: color .15s; }
.nav-links a:hover, .nav-links a[aria-current="page"] { color: var(--tinta); }
.nav-right { display: flex; align-items: center; gap: 14px; }
.menu-btn {
  display: none; background: none; border: 0; font: 600 15px var(--sans); color: var(--tinta);
  padding: 10px 4px; cursor: pointer;
}
.mobile-nav { display: none; padding: 8px 40px 24px; }
.mobile-nav.open { display: block; }
.mobile-nav a { display: block; padding: 12px 0; font-size: 19px; font-weight: 500; text-decoration: none; color: var(--tinta); }
@media (max-width: 960px) {
  .nav-links { display: none; }
  .menu-btn { display: block; }
  .nav-right .btn.call { padding: 11px; }
  .nav-right .btn.call span { display: none; }
}
.contact-actions, .cta-actions { display: flex; flex-wrap: wrap; gap: 12px; }
.cta-actions { margin-top: 28px; }
@media (max-width: 700px) { .mobile-nav { padding-inline: 22px; } }

/* ---------- Secciones ---------- */
.section { padding-block: 96px; }
.section.band { background: var(--calc); }
.section-head { max-width: 62ch; margin-bottom: 48px; }
.section-head p { margin-top: 14px; font-size: 19px; color: var(--tinta-2); }
@media (max-width: 700px) { .section { padding-block: 64px; } }

/* Portada: cabecera de página */
.hero { padding: 48px 0 0; }
.hero-grid { display: grid; grid-template-columns: 7fr 5fr; gap: 48px; align-items: end; margin-bottom: 48px; }
.hero h1 { max-width: 16ch; }
.hero-aside { display: grid; gap: 24px; padding-bottom: 10px; }
.hero-aside p { font-size: 19px; color: var(--tinta-2); max-width: 44ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; }
@media (max-width: 900px) { .hero-grid { grid-template-columns: 1fr; gap: 28px; } .hero { padding-top: 24px; } .foto.wide { aspect-ratio: 4 / 3; } }

/* Garantías */
.trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; padding-block: 72px; }
.trust svg { width: 30px; height: 30px; stroke: var(--verd); fill: none; stroke-width: 1.6; stroke-linecap: round; stroke-linejoin: round; margin-bottom: 16px; }
.trust p { margin-top: 8px; font-size: 15.5px; color: var(--tinta-2); }
@media (max-width: 900px) { .trust { grid-template-columns: 1fr 1fr; gap: 32px; } }
@media (max-width: 520px) { .trust { grid-template-columns: 1fr; } }

/* Foto + texto */
.split { display: grid; grid-template-columns: 1fr 1fr; gap: 72px; align-items: center; }
.split.rev .split-text { order: -1; }
.split-text { display: grid; gap: 22px; }
.split-text p { font-size: 18px; color: var(--tinta-2); }
.split-text .checks { margin-top: 4px; }
.split + .split { margin-top: 96px; }
@media (max-width: 900px) {
  .split { grid-template-columns: 1fr; gap: 32px; }
  .split.rev .split-text { order: 0; }
  .split + .split { margin-top: 64px; }
}

/* Interruptor casa / empresa (estilo control segmentado de macOS) */
.seg {
  --seg-pos: 0;
  position: relative;
  display: grid; grid-template-columns: 1fr 1fr;
  width: fit-content; margin: 0 auto 56px;
  padding: 4px; border-radius: 999px;
  background: var(--calc-2);
}
.seg-knob {
  position: absolute; top: 4px; bottom: 4px; left: 4px;
  width: calc(50% - 4px); border-radius: 999px;
  background: var(--blanc);
  box-shadow: 0 1px 2px rgba(31,42,48,.14), 0 6px 16px rgba(31,42,48,.10);
  transform: translateX(calc(var(--seg-pos) * 100%));
  transition: transform .32s cubic-bezier(.3,.9,.3,1);
}
.seg button {
  position: relative; z-index: 1;
  border: 0; background: none; cursor: pointer;
  padding: 13px 34px; border-radius: 999px;
  font: 600 17px/1 var(--sans); color: var(--tinta-2);
  white-space: nowrap;
  transition: color .2s;
}
.seg button[aria-selected="true"] { color: var(--tinta); }
.seg button:focus-visible { outline-offset: -2px; }
.panel .svc-group { margin-top: 72px; }
.panel h3 { margin-bottom: 24px; }
@keyframes panel-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }
.panel:not([hidden]) { animation: panel-in .35s ease-out; }
@media (max-width: 700px) {
  .seg { width: 100%; margin-bottom: 40px; }
  .seg button { padding: 12px 10px; font-size: 15.5px; }
  .panel .svc-group { margin-top: 48px; }
}
@media (prefers-reduced-motion: reduce) {
  .seg-knob { transition: none; }
  .panel:not([hidden]) { animation: none; }
}

/* Servicios en mosaico */
.svc-group + .svc-group { margin-top: 56px; }
.svc-group h3 { margin-bottom: 24px; }
.svc-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 24px; }
.svc-tile { text-decoration: none; color: inherit; display: grid; gap: 12px; align-content: start; }
.svc-tile .foto { aspect-ratio: 4 / 3; border-radius: var(--r-sm); }
.svc-tile .foto img { transition: transform .5s cubic-bezier(.2,.7,.2,1); }
.svc-tile:hover .foto img { transform: scale(1.04); }
.svc-tile h4 { font-size: 17px; }
.svc-tile:hover h4 { color: var(--verd-fosc); }
.svc-tile p { font-size: 15px; color: var(--tinta-2); line-height: 1.5; }
@media (max-width: 1000px) { .svc-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 600px) { .svc-grid { grid-template-columns: 1fr 1fr; gap: 18px; } }

/* Pasos (secuencia real) */
.steps { list-style: none; margin: 72px 0 0; padding: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; counter-reset: paso; }
.steps li { counter-increment: paso; }
.steps li::before {
  content: counter(paso);
  display: block;
  font-family: var(--serif); font-size: 44px; line-height: 1; color: var(--verd);
  margin-bottom: 14px;
}
.steps p { margin-top: 8px; font-size: 15.5px; color: var(--tinta-2); }
@media (max-width: 900px) { .steps { grid-template-columns: 1fr 1fr; gap: 32px; margin-top: 48px; } }
@media (max-width: 520px) { .steps { grid-template-columns: 1fr; } }

/* Declaración */
.statement { background: var(--verd); color: #fff; padding-block: 104px; }
.statement blockquote { margin: 0; font-family: var(--serif); font-size: clamp(26px, 3.2vw, 42px); line-height: 1.25; max-width: 26ch; text-wrap: balance; }
.statement p { margin-top: 24px; font-size: 18px; color: var(--verd-clar); }

/* Zonas */
.zones { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px 48px; margin-bottom: 64px; }
.zones span { display: block; font-size: 14.5px; color: var(--tinta-3); margin-top: 2px; }
.zones p { margin-top: 10px; font-size: 15.5px; color: var(--tinta-2); }
@media (max-width: 900px) { .zones { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .zones { grid-template-columns: 1fr; } }

/* Preguntas frecuentes */
.faq { max-width: 780px; display: grid; gap: 10px; }
.faq details { background: var(--blanc); border-radius: 18px; padding: 6px 26px; }
.faq summary {
  cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 20px;
  padding: 16px 0; font-weight: 600; font-size: 18px;
}
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after {
  content: ""; flex: none; width: 22px; height: 22px; border-radius: 50%;
  background: var(--verd-clar) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 22 22' stroke='%232f5744' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M11 6v10M6 11h10'/%3E%3C/svg%3E") center / 22px no-repeat;
  transition: transform .2s;
}
.faq details[open] summary::after { transform: rotate(45deg); }
.faq .answer { padding: 0 0 20px; color: var(--tinta-2); max-width: 66ch; }
.section:not(.band) .faq details { background: var(--calc); }

/* Contacto */
.contact { display: grid; grid-template-columns: 5fr 7fr; gap: 72px; align-items: start; }
.contact-info { display: grid; gap: 22px; }
.contact-info p { font-size: 18px; color: var(--tinta-2); }
.contact-info .btn { justify-self: start; }
.contact-info .hours { font-size: 15.5px; color: var(--tinta-3); }
.form { display: grid; gap: 18px; }
.form .row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.field { display: grid; gap: 7px; }
.field label { font-size: 14.5px; font-weight: 600; color: var(--tinta-2); }
.field input, .field select, .field textarea {
  width: 100%; border: 0; border-radius: 12px;
  background: var(--calc); color: var(--tinta);
  font: 400 16px/1.4 var(--sans); padding: 14px 16px;
}
.section.band .field input, .section.band .field select, .section.band .field textarea { background: var(--blanc); }
.field textarea { resize: vertical; min-height: 110px; }
.field input:focus-visible, .field select:focus-visible, .field textarea:focus-visible { outline: 2px solid var(--verd); outline-offset: 0; }
.form .btn { justify-self: start; margin-top: 6px; }
.form-ok { display: none; background: var(--verd-clar); color: var(--verd-fosc); border-radius: 18px; padding: 28px 30px; }
.form-ok h4 { color: var(--verd-fosc); margin-bottom: 8px; }
.form .trap { position: absolute; left: -9999px; width: 1px; height: 1px; overflow: hidden; }
.form { position: relative; }
.field .opt { font-weight: 400; color: var(--tinta-3); }
.form-msg { display: none; font-size: 15.5px; line-height: 1.5; border-radius: 12px; padding: 12px 16px; }
.form-msg.on { display: block; }
.form-msg.ko { background: #fbe9e6; color: #8a2f21; }
.form-msg.ok { background: var(--verd-clar); color: var(--verd-fosc); }
.form-note { font-size: 13.5px; color: var(--tinta-3); }
.form.sent { display: none; }
.form.sent + .form-ok { display: block; }
@media (max-width: 900px) { .contact { grid-template-columns: 1fr; gap: 40px; } }
@media (max-width: 560px) { .form .row { grid-template-columns: 1fr; } }

/* Reseñas */
.reviews { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.reviews figure { margin: 0; display: grid; gap: 20px; align-content: start; }
.reviews blockquote { margin: 0; font-family: var(--serif); font-size: 21px; line-height: 1.45; text-wrap: pretty; }
.reviews blockquote::before { content: "«"; color: var(--verd); margin-right: 2px; }
.reviews blockquote::after { content: "»"; color: var(--verd); margin-left: 2px; }
.reviews figcaption { display: grid; gap: 2px; font-size: 15px; color: var(--tinta-2); }
.reviews figcaption b { color: var(--tinta); font-weight: 600; font-size: 16px; }
@media (max-width: 900px) { .reviews { grid-template-columns: 1fr; gap: 36px; } }

/* Barra fija inferior (solo móvil): llamar y WhatsApp */
.mobile-bar {
  display: none; position: fixed; left: 0; right: 0; bottom: 0; z-index: 60;
  grid-template-columns: 1fr 1fr; gap: 10px;
  padding: 10px 14px calc(10px + env(safe-area-inset-bottom));
  background: rgba(255,255,255,.94); backdrop-filter: blur(10px);
  box-shadow: 0 -6px 20px rgba(31,42,48,.08);
}
.mobile-bar .btn { padding: 14px 12px; }
@media (max-width: 900px) {
  .mobile-bar { display: grid; }
  body { padding-bottom: 76px; }
}

/* Páginas legales */
.legal { max-width: 72ch; }
.legal h2 { font-size: 24px; margin: 40px 0 12px; }
.legal h2:first-child { margin-top: 0; }
.legal p { color: var(--tinta-2); }
.legal p + p { margin-top: 12px; }
.legal ul.checks { margin: 12px 0; }
.legal ul.checks li { color: var(--tinta-2); }
.legal a { color: var(--verd-fosc); }
.legal code { font-size: 15px; background: var(--calc-2); padding: 2px 6px; border-radius: 6px; }
.legal-date { margin-top: 40px; font-size: 14.5px; color: var(--tinta-3); }
.todo { background: #fff3a8; padding: 0 4px; border-radius: 4px; color: var(--tinta); }

/* Aviso de cookies */
.cookies {
  position: fixed; z-index: 70; left: 16px; bottom: 16px;
  width: min(440px, calc(100% - 32px));
  background: var(--blanc); border-radius: 18px; padding: 20px 22px;
  box-shadow: 0 2px 6px rgba(31,42,48,.10), 0 16px 40px rgba(31,42,48,.16);
  display: grid; gap: 14px;
}
.cookies[hidden] { display: none; }
.cookies p { font-size: 15px; line-height: 1.5; color: var(--tinta-2); }
.cookies a { color: var(--verd-fosc); }
.cookies-actions { display: flex; flex-wrap: wrap; gap: 8px; }
@media (max-width: 900px) { .cookies { bottom: 86px; } }

/* ---------- Pie ---------- */
.site-footer { background: var(--tinta); color: #c7d0d4; padding: 72px 0 40px; }
.foot-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
.foot-brand .wordmark { color: #fff; }
.foot-brand p { margin-top: 18px; font-size: 15px; max-width: 34ch; color: #98a5ab; }
.site-footer h4 { color: #fff; font-size: 15px; margin-bottom: 16px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 10px; }
.site-footer ul a { font-size: 15px; color: #c7d0d4; text-decoration: none; }
.site-footer ul a:hover { color: #fff; }
.foot-bottom { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px 32px; margin-top: 64px; font-size: 14px; color: #98a5ab; }
.foot-bottom a { color: inherit; text-decoration: none; margin-right: 18px; }
@media (max-width: 900px) { .foot-grid { grid-template-columns: 1fr 1fr; } }
@media (max-width: 520px) { .foot-grid { grid-template-columns: 1fr; gap: 36px; } }

/* Cabecera de las páginas de sección */
.page-head { padding: 56px 0 64px; }
.page-head h1 { max-width: 18ch; }
.page-head .lead { margin-top: 20px; }
@media (max-width: 700px) { .page-head { padding: 28px 0 44px; } }

/* Llamada final a contacto */
.cta { background: var(--verd-clar); padding-block: 88px; }
.cta h2 { color: var(--verd-fosc); }
.cta p { margin-top: 14px; font-size: 19px; color: var(--verd-fosc); max-width: 56ch; }

.section.band + .cta { background: var(--blanc); }
@media (max-width: 700px) { .cta { padding-block: 64px; } }

/* ---------- Páginas de servicio ---------- */
.crumbs { padding-top: 20px; font-size: 14.5px; color: var(--tinta-3); }
.crumbs a { color: var(--tinta-2); text-decoration: none; }
.crumbs a:hover { color: var(--tinta); }
.crumbs span { margin: 0 8px; }

.svc-hero { padding: 40px 0 0; }
.svc-hero .hero-grid { align-items: end; }
.svc-hero h1 { max-width: 14ch; }
.facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px 40px; padding-block: 56px; margin: 0; }
.facts div { display: grid; gap: 4px; }
.facts dt { font-size: 14.5px; color: var(--tinta-3); }
.facts dd { margin: 0; font-weight: 600; font-size: 17px; line-height: 1.35; }
@media (max-width: 900px) { .facts { grid-template-columns: 1fr 1fr; } }

.scope { display: grid; grid-template-columns: repeat(3, 1fr); gap: 48px; }
.scope h4 { margin-bottom: 18px; font-size: 20px; }
.scope .checks li { font-size: 16px; color: var(--tinta-2); }
@media (max-width: 900px) { .scope { grid-template-columns: 1fr; gap: 40px; } }

.related { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
@media (max-width: 700px) { .related { grid-template-columns: 1fr; } }