/* ============================================================
   css/layout.css
   Estructura: topbar, cabecera, navegacion, secciones, footer.
   ============================================================ */

/* ---------- Topbar ---------- */
.topbar {
  background: #002868;
  color: rgba(255, 255, 255, .9);
  font-size: .85rem;
}

.topbar__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--topbar-h);
}

.topbar__schedule {
  display: flex;
  align-items: center;
  gap: .5rem;
  margin: 0;
  white-space: nowrap;
}

.topbar__schedule .icon { color: var(--btn); }

.topbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.topbar__links a {
  display: inline-flex;
  align-items: center;
  gap: .5rem;
  color: rgba(255, 255, 255, .85);
  text-decoration: none;
  white-space: nowrap;
}

.topbar__links a:hover { color: var(--btn); }
.topbar__links .icon { width: 1em; height: 1em; color: var(--btn); }

@media (max-width: 56rem) {
  .topbar__schedule { display: none; }
  .topbar__inner { justify-content: center; }
}

/* ---------- Cabecera ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--line);
  transition: box-shadow var(--transition);
}

.site-header.is-scrolled {
  box-shadow: var(--shadow-sm);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  min-height: var(--header-h);
  padding-block: .35rem;
}

/* Marca / logo oficial */
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  flex: none;
}

.brand__logo {
  width: auto;
  height: 88px;
  object-fit: contain;
}

.site-header {
  background: var(--white);
  border-bottom: 1px solid var(--line);
}

.main-nav__list > li > a,
.main-nav__parent > a {
  font-weight: 500;
  font-size: .92rem;
  color: var(--ink);
  text-decoration: none;
}

.main-nav__list > li > a:hover,
.main-nav__list > li > a[aria-current="page"],
.main-nav__parent > a:hover,
.main-nav__parent > a[aria-current="page"] {
  color: var(--navy-800);
}

.page-hero { display: none; } /* legacy: ya no se usa en paginas rediseñadas */

@media (max-width: 40rem) {
  .brand__logo { height: 64px; }
}

/* Navegacion principal */
.main-nav__list {
  display: flex;
  align-items: baseline;
  gap: var(--space-6);
}

.main-nav__list > li > a,
.main-nav__parent > a {
  position: relative;
  display: inline-flex;
  align-items: center;
  font-weight: 500;
  font-size: .92rem;
  line-height: 1.2;
  color: var(--ink);
  text-decoration: none;
  padding: .5rem 0;
}

.main-nav__list > li > a::after,
.main-nav__parent > a::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 100%;
  height: 2px;
  background: var(--primary);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition);
}

.main-nav__list > li > a:hover,
.main-nav__list > li > a[aria-current="page"],
.main-nav__parent > a:hover,
.main-nav__parent > a[aria-current="page"] {
  color: var(--navy-800);
}

.main-nav__list > li > a:hover::after,
.main-nav__list > li > a[aria-current="page"]::after,
.main-nav__parent > a:hover::after,
.main-nav__parent > a[aria-current="page"]::after {
  transform: scaleX(1);
}

.main-nav__cta { display: none; }
.site-header__cta { display: inline-flex; }

/* Submenú Servicios */
.main-nav__item--has-sub {
  position: relative;
}

.main-nav__parent {
  display: inline-flex;
  align-items: baseline;
  gap: .1rem;
}

.main-nav__caret {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.1rem;
  height: 1.1rem;
  margin-left: .05rem;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  font-size: .65rem;
  line-height: 1;
  padding: 0;
  opacity: .7;
}

.main-nav__sub {
  position: absolute;
  top: calc(100% + .55rem);
  left: 0;
  min-width: 240px;
  margin: 0;
  padding: .55rem 0;
  list-style: none;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow);
  opacity: 0;
  visibility: hidden;
  transform: translateY(.35rem);
  transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
  z-index: 40;
}

.main-nav__item--has-sub:hover > .main-nav__sub,
.main-nav__item--has-sub:focus-within > .main-nav__sub,
.main-nav__item--has-sub.is-open > .main-nav__sub {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.main-nav__sub a {
  display: block;
  padding: .65rem 1rem;
  color: var(--ink);
  text-decoration: none;
  font-size: .9rem;
  font-weight: 500;
}

.main-nav__sub a:hover,
.main-nav__sub a[aria-current="page"] {
  color: var(--primary);
  background: var(--bg-soft);
}

/* Boton hamburguesa */
.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 46px;
  height: 46px;
  padding: 10px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: transparent;
  cursor: pointer;
}

.nav-toggle__bar {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--navy-800);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 56rem) {
  .site-header__cta { display: none; }

  .nav-toggle { display: flex; }

  .main-nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    border-bottom: 1px solid var(--line);
    box-shadow: var(--shadow);
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    transition: max-height .3s ease, visibility .3s ease;
  }

  .main-nav.is-open {
    max-height: min(85vh, 920px);
    visibility: visible;
    overflow-y: auto;
  }

  .main-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: var(--space-2) var(--container-pad) var(--space-5);
  }

  .main-nav__list > li > a,
  .main-nav__parent > a {
    display: block;
    padding: .9rem 0;
    border-bottom: 1px solid var(--line);
    font-size: .92rem;
    font-weight: 500;
    color: var(--ink);
  }

  .main-nav__list > li > a::after,
  .main-nav__parent > a::after { display: none; }

  .main-nav__parent {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--line);
  }

  .main-nav__parent > a {
    flex: 1;
    border-bottom: 0;
    padding-right: .5rem;
  }

  .main-nav__caret {
    width: 2.4rem;
    height: 2.4rem;
    border-left: 1px solid var(--line);
    opacity: 1;
  }

  .main-nav__sub {
    position: static;
    min-width: 0;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: 0;
    border-radius: 0;
    padding: 0 0 .5rem 0.85rem;
    display: none;
    background: transparent;
  }

  .main-nav__item--has-sub.is-open > .main-nav__sub {
    display: block;
  }

  .main-nav__sub a {
    padding: .7rem 0;
    border-bottom: 1px solid var(--line);
  }

  .main-nav__cta {
    display: block;
    padding-top: var(--space-4);
    text-align: center;
  }

  .main-nav__cta .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: .85rem 1.1rem;
    border-bottom: 0;
    font-weight: 700;
    color: var(--white);
    text-align: center;
  }

  .main-nav__cta .btn:hover {
    color: var(--white);
  }
}

/* ---------- Secciones genericas ---------- */
.section {
  padding-block: clamp(3.5rem, 8vw, 6rem);
}

.section--tinted { background: var(--paper-2); }
.section--white { background: var(--white); }

.section--navy {
  background: var(--dark);
  color: rgba(255, 255, 255, .88);
}

.section--navy h2,
.section--navy h3 { color: var(--white); }

.section__head {
  max-width: 46rem;
  margin-inline: auto;
  text-align: center;
  margin-bottom: clamp(2.5rem, 5vw, 3.75rem);
}

.section__head--left {
  margin-inline: 0;
  text-align: left;
}

/* Pequeña etiqueta con sello */
.kicker {
  display: inline-block;
  font-family: var(--font-display);
  font-size: .72rem;
  font-weight: 700;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: var(--space-3);
}

.section--navy .kicker { color: var(--accent-light); }

.section__head p {
  color: var(--ink-muted);
  margin: var(--space-4) 0 0;
}

.section--navy .section__head p { color: rgba(255,255,255,.72); }

/* ---------- Hero de paginas interiores ---------- */
.page-hero {
  position: relative;
  overflow: hidden;
  background: var(--secondary);
  color: var(--white);
  padding-block: clamp(3rem, 7vw, 5rem);
}

.page-hero__inner { max-width: 46rem; }

.page-hero h1 {
  color: var(--white);
  margin: var(--space-3) 0 var(--space-4);
}

.page-hero p {
  color: rgba(255, 255, 255, .78);
  font-size: 1.1rem;
}

.page-hero .kicker { color: var(--gold-light); }

/* Sello decorativo */
.page-hero__stamp {
  position: absolute;
  right: clamp(1rem, 6vw, 4rem);
  bottom: -2.2rem;
  width: clamp(140px, 18vw, 220px);
  color: rgba(191, 11, 20, .18);
  animation: spin-slow 60s linear infinite;
}

@keyframes spin-slow {
  to { transform: rotate(360deg); }
}

/* ---------- Footer ---------- */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, .74);
  font-size: .97rem;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr 1fr 1.4fr;
  gap: var(--space-7);
  padding-block: clamp(3rem, 6vw, 4.5rem) clamp(2rem, 4vw, 3rem);
}

.site-footer__title {
  font-family: var(--font-body);
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .24em;
  text-transform: uppercase;
  color: var(--white);
  margin-bottom: var(--space-5);
}

.site-footer__list li { margin-bottom: var(--space-3); }

.site-footer__list a {
  color: rgba(255, 255, 255, .74);
  text-decoration: none;
  transition: color var(--transition), padding-left var(--transition);
}

.site-footer__list a:hover {
  color: var(--btn);
  padding-left: .3rem;
}

.site-footer__contact li {
  display: flex;
  gap: .6rem;
  align-items: flex-start;
}

.site-footer__contact .icon {
  margin-top: .28em;
  color: var(--btn);
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding-block: var(--space-5);
  border-top: 1px solid rgba(255,255,255,.14);
  font-size: .88rem;
}

.site-footer__bottom p { margin: 0; }

.site-footer__legal {
  display: flex;
  gap: var(--space-5);
}

.site-footer__legal a {
  color: rgba(255,255,255,.74);
  text-decoration: none;
}

.site-footer__legal a:hover { color: var(--btn); }

@media (max-width: 64rem) {
  .site-footer__grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 40rem) {
  .site-footer__grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
    text-align: center;
  }
  .site-footer__title { margin-bottom: var(--space-3); }
  .site-footer__contact li { justify-content: center; }
  .site-footer__bottom { justify-content: center; text-align: center; }
}