/* ==========================================================================
   LAYOUT — contenedor, ritmo de secciones, header y footer estructural
   ========================================================================== */

.container {
  width: 100%;
  max-width: calc(var(--container) + var(--gutter) * 2);
  margin-inline: auto;
  padding-inline: max(var(--gutter), env(safe-area-inset-left, 0px));
}

.section {
  padding-block: var(--section-pad);
}

/* Encabezado editorial de sección */
.section-head {
  max-width: 44rem;
  margin-bottom: var(--sp-7);
}

.section-head__title {
  font-size: var(--fs-2xl);
  line-height: var(--lh-tight);
  margin-top: var(--sp-3);
}

.section-head__lead {
  margin-top: var(--sp-5);
  font-size: var(--fs-md);
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   HEADER (sticky)
   -------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: env(safe-area-inset-top, 0px);
  z-index: 50;
  background: rgba(244, 239, 230, 0.88);
  -webkit-backdrop-filter: blur(12px) saturate(1.2);
  backdrop-filter: blur(12px) saturate(1.2);
  border-bottom: var(--border-hair);
}

.site-header__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-3) var(--sp-5);
  min-height: 4.25rem;
  padding-block: var(--sp-3);
}

.brand {
  display: flex;
  flex-direction: column;
  text-decoration: none;
  line-height: 1.2;
}

.brand__name {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-base);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.brand__role {
  font-size: var(--fs-xs);
  color: var(--text-subtle);
  letter-spacing: 0.02em;
}

/* Navegación — móvil primero */
.site-nav {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--sp-4);
  width: 100%;
  padding-block: var(--sp-4) var(--sp-2);
  border-top: var(--border-hair);
}

.site-nav__list {
  display: flex;
  flex-direction: column;
}

.site-nav__list a {
  display: block;
  padding-block: var(--sp-3);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--fs-lg);
  text-decoration: none;
  border-bottom: var(--border-hair);
}

.nav-toggle {
  display: none;
}

/* Con JS: el menú móvil se colapsa tras el botón */
.js .nav-toggle {
  display: inline-grid;
  place-items: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  background: transparent;
  border: var(--border-solid);
  border-radius: var(--radius-0);
  color: var(--text);
  cursor: pointer;
}

.nav-toggle__bar,
.nav-toggle__bar::before,
.nav-toggle__bar::after {
  display: block;
  width: 1.125rem;
  height: 1.5px;
  background: currentColor;
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.nav-toggle__bar {
  position: relative;
}

.nav-toggle__bar::before,
.nav-toggle__bar::after {
  content: "";
  position: absolute;
  left: 0;
}

.nav-toggle__bar::before { top: -6px; }
.nav-toggle__bar::after  { top: 6px; }

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

.js .site-nav:not(.is-open) {
  display: none;
}

/* Desktop */
@media (min-width: 60em) {
  .site-header__inner {
    flex-wrap: nowrap;
  }

  .js .nav-toggle {
    display: none;
  }

  .site-nav,
  .js .site-nav:not(.is-open) {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: var(--sp-6);
    width: auto;
    padding: 0;
    border: 0;
  }

  .site-nav__list {
    flex-direction: row;
    gap: var(--sp-5);
  }

  .site-nav__list a {
    padding: var(--sp-1) 0;
    font-family: var(--font-body);
    font-weight: 500;
    font-size: var(--fs-sm);
    border-bottom: 1px solid transparent;
    transition: border-color var(--dur) var(--ease);
  }

  .site-nav__list a:hover {
    border-bottom-color: var(--text);
  }
}

/* --------------------------------------------------------------------------
   FOOTER (estructura)
   -------------------------------------------------------------------------- */
.site-footer {
  background: var(--c-charcoal);
  color: var(--c-bone);
  /* ~96px inferiores: el botón flotante de WhatsApp no tapa el texto legal */
  padding-block: var(--sp-9) calc(6rem + env(safe-area-inset-bottom, 0px));
}