/* ==========================================================================
   D'Martín Decoración — layout.css
   Barra superior, cabecera, navegación, hero, rejillas y pie de página
   ========================================================================== */

/* --- Barra superior ------------------------------------------------------ */
.topbar {
  background: var(--c-ink);
  color: rgba(250, 246, 240, .82);
  font-size: .84rem;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  min-height: 40px;
  flex-wrap: wrap;
}

.topbar__list {
  display: flex;
  align-items: center;
  gap: var(--sp-5);
  flex-wrap: wrap;
}

.topbar__item {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  transition: color var(--t-fast);
}

.topbar__item:hover { color: var(--c-oak-light); }
.topbar__item svg { width: 15px; height: 15px; flex: none; }

.topbar__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--c-esmeralda-light);
  font-weight: 600;
  letter-spacing: .02em;
}

@media (max-width: 720px) {
  .topbar__badge { display: none; }
  .topbar__inner { justify-content: center; }
}

/* --- Cabecera ------------------------------------------------------------ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 246, 240, .92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--t-base), box-shadow var(--t-base), background var(--t-base);
}

.header.is-stuck {
  border-bottom-color: var(--c-line);
  box-shadow: var(--sh-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-5);
  min-height: var(--header-h);
}

/* Logo */
.logo {
  display: inline-flex;
  align-items: center;
  flex: none;
}

.logo__img {
  display: block;
  width: auto;
  height: 40px;
  max-width: 200px;
}

@media (max-width: 480px) {
  .logo__img { height: 32px; max-width: 160px; }
}

/* Navegación principal */
.nav { display: flex; align-items: center; gap: var(--sp-6); }

.nav__list {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
}

.nav__link {
  position: relative;
  display: inline-block;
  padding-block: var(--sp-2);
  font-size: .94rem;
  font-weight: 500;
  color: var(--c-ink);
  transition: color var(--t-fast);
}

.nav__link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--c-oak);
  transition: width var(--t-base);
}

.nav__link:hover { color: var(--c-oak-dark); }
.nav__link:hover::after,
.nav__link[aria-current="page"]::after { width: 100%; }
.nav__link[aria-current="page"] { color: var(--c-oak-dark); font-weight: 600; }

.nav__link--pro {
  padding: var(--sp-2) var(--sp-4);
  border: 1px solid var(--c-oak);
  border-radius: var(--r-full);
  color: var(--c-oak-dark);
  font-weight: 600;
}

.nav__link--pro::after { display: none; }
.nav__link--pro:hover { background: var(--c-oak); color: var(--c-white); }
.nav__link--pro[aria-current="page"] { background: var(--c-oak); color: var(--c-white); }

/* --- Submenú de Servicios ------------------------------------------------ */
.nav__item { position: relative; }

.nav__item--has-sub {
  display: flex;
  align-items: center;
  gap: 1px;
}

.nav__sub-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  flex: none;
  border-radius: 50%;
  color: var(--c-ink);
  transition: background var(--t-fast), color var(--t-fast);
}

.nav__sub-toggle svg {
  width: 13px;
  height: 13px;
  transition: transform var(--t-base);
}

.nav__sub-toggle:hover { color: var(--c-esmeralda-dark); }
.nav__item--has-sub.is-open .nav__sub-toggle svg { transform: rotate(180deg); }

.nav__submenu {
  position: absolute;
  top: calc(100% + 14px);
  left: -14px;
  z-index: 110;
  min-width: 290px;
  padding: var(--sp-3);
  background: var(--c-white);
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  box-shadow: var(--sh-lg);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-8px);
  transition: opacity var(--t-fast), transform var(--t-base), visibility var(--t-base);
}

/* Puente invisible: evita que el submenú se cierre al bajar el ratón */
.nav__submenu::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -14px;
  height: 14px;
}

.nav__item--has-sub:hover .nav__submenu,
.nav__item--has-sub:focus-within .nav__submenu,
.nav__item--has-sub.is-open .nav__submenu {
  opacity: 1;
  visibility: visible;
  transform: none;
}

.nav__submenu a {
  display: block;
  padding: .55rem .8rem;
  border-radius: var(--r-sm);
  font-size: .92rem;
  font-weight: 500;
  color: var(--c-ink);
  white-space: nowrap;
  transition: background var(--t-fast), color var(--t-fast);
}

.nav__submenu a:hover,
.nav__submenu a:focus-visible {
  background: var(--c-sand);
  color: var(--c-esmeralda-dark);
}

.nav__submenu a[aria-current="page"] { color: var(--c-esmeralda-dark); font-weight: 600; }

/* Destacado: el forrado de escaleras */
.nav__submenu .is-featured {
  color: var(--c-esmeralda-dark);
  font-weight: 600;
}

.nav__submenu .is-featured::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: var(--sp-2);
  border-radius: 50%;
  background: var(--c-esmeralda);
  vertical-align: middle;
}

.nav__submenu-title {
  padding: var(--sp-3) .8rem var(--sp-1);
  font-size: .66rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.nav__submenu-title:first-child { padding-top: var(--sp-1); }

.nav__submenu-sep {
  height: 1px;
  margin: var(--sp-2) .8rem;
  background: var(--c-line);
}

.nav__submenu-all a {
  margin-top: var(--sp-2);
  padding-top: var(--sp-3);
  border-top: 1px solid var(--c-line);
  border-radius: 0;
  font-weight: 600;
  color: var(--c-oak-dark);
}

.nav__submenu-all a:hover { background: transparent; color: var(--c-oak); }

/* Botón hamburguesa */
.nav-toggle {
  display: none;
  width: 46px;
  height: 46px;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-white);
  flex: none;
}

.nav-toggle__bars,
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  display: block;
  width: 20px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-ink);
  transition: transform var(--t-base), opacity var(--t-fast);
}

.nav-toggle__bars { position: relative; }
.nav-toggle__bars::before,
.nav-toggle__bars::after { content: ""; position: absolute; left: 0; }
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

/* Navegación móvil */
@media (max-width: 980px) {
  .nav-toggle { display: inline-flex; }

  .nav {
    position: fixed;
    inset: var(--header-h) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--sp-5) clamp(1.25rem, 4vw, 2.5rem) var(--sp-7);
    background: var(--c-cream);
    border-bottom: 1px solid var(--c-line);
    box-shadow: var(--sh-lg);
    max-height: calc(100dvh - var(--header-h));
    overflow-y: auto;
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: transform var(--t-base), opacity var(--t-base), visibility var(--t-base);
  }

  .nav.is-open { transform: none; opacity: 1; visibility: visible; }

  .nav__list { flex-direction: column; align-items: stretch; gap: 0; }

  .nav__link {
    padding: var(--sp-4) 0;
    font-size: 1.05rem;
    border-bottom: 1px solid var(--c-line);
  }

  .nav__link::after { display: none; }

  .nav__link--pro {
    margin-top: var(--sp-4);
    text-align: center;
    border-bottom: 1px solid var(--c-oak);
  }

  .nav .btn { width: 100%; margin-top: var(--sp-4); justify-content: center; }

  /* Submenú en móvil: acordeón dentro del cajón, no flotante */
  .nav__item { position: static; }

  .nav__item--has-sub {
    flex-wrap: wrap;
    justify-content: space-between;
    border-bottom: 1px solid var(--c-line);
  }

  .nav__item--has-sub .nav__link {
    flex: 1;
    border-bottom: 0;
  }

  .nav__sub-toggle {
    width: 44px;
    height: 44px;
    border-radius: var(--r-sm);
    background: var(--c-sand);
  }

  .nav__sub-toggle svg { width: 16px; height: 16px; }

  .nav__submenu {
    position: static;
    display: none;
    width: 100%;
    min-width: 0;
    margin-bottom: var(--sp-3);
    padding: var(--sp-2) 0 var(--sp-2) var(--sp-4);
    background: transparent;
    border: 0;
    border-left: 2px solid var(--c-oak-pale);
    border-radius: 0;
    box-shadow: none;
    opacity: 1;
    visibility: visible;
    transform: none;
  }

  .nav__submenu::before { display: none; }

  /* En móvil solo abre el botón: el hover no existe */
  .nav__item--has-sub:hover .nav__submenu,
  .nav__item--has-sub:focus-within .nav__submenu { display: none; }
  .nav__item--has-sub.is-open .nav__submenu { display: block; }

  .nav__submenu a { white-space: normal; padding: .6rem .5rem; }
  .nav__submenu-title { padding-left: .5rem; }
  .nav__submenu-sep { margin-inline: .5rem; }
  .nav__submenu-all a { padding-left: .5rem; }
}

/* --- Hero ---------------------------------------------------------------- */
.hero {
  position: relative;
  overflow: hidden;
  background: var(--c-ink);
  color: var(--c-cream);
  isolation: isolate;
}

.hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg, rgba(20, 15, 12, .93) 0%, rgba(20, 15, 12, .78) 46%, rgba(20, 15, 12, .42) 100%),
    linear-gradient(to top, rgba(20, 15, 12, .7), transparent 45%);
}

.hero__inner {
  display: grid;
  gap: var(--sp-7);
  padding-block: clamp(4rem, 11vw, 8.5rem);
  max-width: 760px;
}

.hero h1 { color: var(--c-white); }

.hero h1 em {
  font-style: italic;
  color: var(--c-oak-light);
}

.hero__lead {
  font-size: clamp(1.05rem, 1.7vw, 1.3rem);
  line-height: 1.7;
  color: rgba(250, 246, 240, .82);
  max-width: 60ch;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-4);
}

.hero__trust {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-3) var(--sp-6);
  padding-top: var(--sp-5);
  border-top: 1px solid rgba(250, 246, 240, .16);
}

.hero__trust li {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: .92rem;
  color: rgba(250, 246, 240, .8);
}

.hero__trust svg {
  width: 18px;
  height: 18px;
  flex: none;
  color: var(--c-esmeralda-light);
}

/* Hero secundario (páginas internas) */
.page-hero {
  position: relative;
  background: var(--c-ink-soft);
  color: var(--c-cream);
  overflow: hidden;
  isolation: isolate;
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(900px 420px at 88% -10%, rgba(184, 130, 60, .30), transparent 62%),
    radial-gradient(700px 380px at 4% 110%, rgba(184, 130, 60, .16), transparent 60%);
}

.page-hero__inner {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  max-width: 720px;
}

/* Variante con fotografía de fondo.
   Sustituye los degradados decorativos por un velo oscuro que garantiza
   que el texto siga legible sobre cualquier imagen. */
.page-hero--media::before { display: none; }

.page-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-hero--media::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(100deg, rgba(20, 15, 12, .93) 0%, rgba(20, 15, 12, .78) 46%, rgba(20, 15, 12, .48) 100%),
    linear-gradient(to top, rgba(20, 15, 12, .72), transparent 58%);
}

.page-hero--media .page-hero__inner {
  padding-block: clamp(3.5rem, 9vw, 7rem);
}

.page-hero h1 { color: var(--c-white); }

.page-hero p {
  margin-top: var(--sp-4);
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  line-height: 1.7;
  color: rgba(250, 246, 240, .78);
}

/* Migas de pan */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  font-size: .84rem;
  color: rgba(250, 246, 240, .6);
  margin-bottom: var(--sp-4);
}

.breadcrumb a { transition: color var(--t-fast); }
.breadcrumb a:hover { color: var(--c-oak-light); }
.breadcrumb li:not(:last-child)::after { content: "/"; margin-left: var(--sp-2); opacity: .5; }
.breadcrumb li { display: inline-flex; align-items: center; }
.breadcrumb [aria-current="page"] { color: var(--c-oak-light); }

/* --- Rejillas ------------------------------------------------------------ */
.grid { display: grid; gap: var(--sp-5); }
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(230px, 1fr)); }

.split {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: center;
}

.split__media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  box-shadow: var(--sh-lg);
}

.split__media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; }

/* --- Franja de datos ----------------------------------------------------- */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--sp-5);
}

.stat { text-align: center; padding: var(--sp-4); }

.stat__value {
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4vw, 3rem);
  font-weight: 600;
  line-height: 1;
  color: var(--c-oak);
  letter-spacing: -.03em;
}

.stat__label {
  margin-top: var(--sp-2);
  font-size: .88rem;
  color: var(--c-muted);
}

.section--dark .stat__label { color: rgba(250, 246, 240, .68); }
.section--dark .stat__value { color: var(--c-oak-light); }

/* --- Pie de página ------------------------------------------------------- */
.footer {
  background: var(--c-ink);
  color: rgba(250, 246, 240, .72);
  font-size: .93rem;
}

.footer__top {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  gap: clamp(2rem, 4vw, 3.5rem);
  padding-block: clamp(3rem, 6vw, 4.5rem);
}

@media (max-width: 900px) {
  .footer__top { grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }
}

/* El logo es marrón oscuro sobre fondo transparente: sobre el pie oscuro
   habría que forzar la vista para leerlo, así que lo pasamos a claro. */
.footer .logo__img {
  height: 44px;
  max-width: 220px;
  filter: brightness(0) invert(1);
  opacity: .92;
}

.footer__about { margin-top: var(--sp-4); max-width: 34ch; line-height: 1.7; }

.footer__title {
  font-family: var(--font-body);
  font-size: .78rem;
  font-weight: 700;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-white);
  margin-bottom: var(--sp-4);
}

.footer__list { display: grid; gap: var(--sp-3); }

.footer__list a {
  display: inline-block;
  transition: color var(--t-fast), transform var(--t-fast);
}

.footer__list a:hover { color: var(--c-oak-light); transform: translateX(3px); }

.footer__contact li {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-3);
  margin-bottom: var(--sp-3);
  line-height: 1.55;
}

.footer__contact svg {
  width: 17px;
  height: 17px;
  flex: none;
  margin-top: 3px;
  color: var(--c-esmeralda-light);
}

.footer__contact a:hover { color: var(--c-oak-light); }

.footer__social {
  display: flex;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
}

.footer__social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid rgba(250, 246, 240, .18);
  border-radius: var(--r-md);
  transition: background var(--t-fast), border-color var(--t-fast), color var(--t-fast);
}

.footer__social a:hover {
  background: var(--c-oak);
  border-color: var(--c-oak);
  color: var(--c-ink);
}

.footer__social svg { width: 19px; height: 19px; }

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-4);
  padding-block: var(--sp-5);
  border-top: 1px solid rgba(250, 246, 240, .12);
  font-size: .85rem;
  color: rgba(250, 246, 240, .55);
}

.footer__legal { display: flex; flex-wrap: wrap; gap: var(--sp-5); }
.footer__legal a:hover { color: var(--c-oak-light); }

/* --- Botón flotante de WhatsApp ------------------------------------------ */
.whatsapp-fab {
  position: fixed;
  right: clamp(1rem, 3vw, 1.75rem);
  bottom: clamp(1rem, 3vw, 1.75rem);
  z-index: 90;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--r-full);
  background: #25D366;
  color: #fff;
  box-shadow: 0 6px 20px rgba(37, 211, 102, .38);
  transition: transform var(--t-fast), box-shadow var(--t-fast);
}

.whatsapp-fab:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 10px 28px rgba(37, 211, 102, .48);
}

.whatsapp-fab svg { width: 30px; height: 30px; }