/* ==========================================================================
   GLOBAL — tipografía base, layout, header, navegación, footer, elementos
   globales (WhatsApp flotante, banner de cookies, skip link).
   ========================================================================== */

body {
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-padding);
}

.container--narrow {
  max-width: var(--container-narrow);
}

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-navy-deep);
  line-height: var(--lh-heading);
  font-weight: 400;
  text-wrap: balance;
}

h1 { font-size: var(--fs-h1); line-height: var(--lh-tight); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }

p {
  max-width: 62ch;
}

p.lead {
  font-size: var(--fs-lead);
  color: var(--color-ink);
  max-width: 52ch;
}

main {
  overflow-x: clip;
}

/* Skip link */
.skip-link {
  position: absolute;
  left: var(--space-sm);
  top: -60px;
  background: var(--color-navy-deep);
  color: var(--color-ivory);
  padding: var(--space-2xs) var(--space-sm);
  border-radius: var(--radius-sm);
  z-index: 200;
  transition: top var(--dur-fast) var(--ease-organic);
}

.skip-link:focus {
  top: var(--space-sm);
}

/* ==========================================================================
   HEADER
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-header);
  padding-block: var(--space-sm);
  background: rgba(247, 244, 238, 0.55);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  border-bottom: 1px solid transparent;
  transition: background var(--dur-medium) var(--ease-organic), box-shadow var(--dur-medium) var(--ease-organic), border-color var(--dur-medium) var(--ease-organic);
}

.site-header.is-scrolled {
  background: rgba(247, 244, 238, 0.88);
  border-color: var(--color-border-soft);
  box-shadow: var(--shadow-soft);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-md);
}

.brand {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  flex-shrink: 0;
}

.brand__mark {
  width: 36px;
  height: 36px;
}

.brand__logo {
  height: 64px;
  width: auto;
}

@media (max-width: 480px) {
  .brand__logo {
    height: 46px;
  }
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.2;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  color: var(--color-navy-deep);
}

.brand__descriptor {
  font-size: 0.68rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-teal-deep);
}

.main-nav__list {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  font-size: 0.92rem;
}

.main-nav a,
.main-nav__trigger {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding-block: var(--space-2xs);
  color: var(--color-ink);
  position: relative;
  font-size: inherit;
}

.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  right: 100%;
  bottom: -2px;
  height: 1.5px;
  background: var(--color-gold-soft);
  transition: right var(--dur-fast) var(--ease-organic);
}

.main-nav a:hover::after,
.main-nav a.is-active::after {
  right: 0;
}

.main-nav a.is-active {
  color: var(--color-teal-deep);
}

.has-dropdown {
  position: relative;
}

.main-nav__dropdown {
  position: absolute;
  top: calc(100% + 14px);
  left: 50%;
  transform: translateX(-50%) translateY(-6px);
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(var(--blur-glass));
  -webkit-backdrop-filter: blur(var(--blur-glass));
  border: 1px solid var(--color-glass-border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lift);
  padding: var(--space-xs);
  min-width: 220px;
  display: grid;
  gap: 2px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--dur-fast) var(--ease-organic), transform var(--dur-fast) var(--ease-organic), visibility var(--dur-fast);
}

.has-dropdown.is-open .main-nav__dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.main-nav__dropdown a {
  display: block;
  padding: var(--space-2xs) var(--space-sm);
  border-radius: var(--radius-sm);
  white-space: nowrap;
}

.main-nav__dropdown a:hover {
  background: var(--color-mist);
}

.main-nav__dropdown a::after {
  display: none;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.header-whatsapp {
  display: none;
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-navy-deep);
  margin-inline: auto;
  transition: transform var(--dur-fast) var(--ease-organic), opacity var(--dur-fast) var(--ease-organic);
}

.hamburger.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.is-open span:nth-child(2) { opacity: 0; }
.hamburger.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

@media (max-width: 1023px) {
  .main-nav { display: none; }
  .header-whatsapp { display: none; }
  .site-header__actions .btn--primary { display: none; }
  .hamburger { display: flex; }
}

@media (min-width: 1024px) {
  .header-whatsapp { display: inline-flex; }
}

/* Menú móvil */
.mobile-nav {
  position: fixed;
  inset: 0;
  z-index: var(--z-mobile-nav);
  background: rgba(15, 30, 42, 0.45);
  backdrop-filter: blur(6px);
}

.mobile-nav nav {
  position: absolute;
  top: 0;
  right: 0;
  height: 100%;
  width: min(360px, 88vw);
  background: var(--color-ivory);
  padding: calc(var(--header-height) + var(--space-md)) var(--space-lg) var(--space-lg);
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
  box-shadow: var(--shadow-lift);
  overflow-y: auto;
}

.mobile-nav__list {
  display: grid;
  gap: var(--space-sm);
  font-family: var(--font-display);
  font-size: 1.25rem;
}

.mobile-nav__actions {
  display: grid;
  gap: var(--space-xs);
  margin-top: auto;
}

body.nav-open {
  overflow: hidden;
}

body.nav-open .cookie-banner,
body.nav-open .whatsapp-fab {
  display: none;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */

.site-footer {
  background: var(--color-navy-deep);
  color: rgba(247, 244, 238, 0.85);
  padding-block: var(--space-2xl) var(--space-lg);
  margin-top: var(--space-3xl);
}

.site-footer .brand__name { color: var(--color-ivory); }
.site-footer .brand__descriptor { color: var(--color-aqua-soft); }

.site-footer__logo-link {
  display: inline-flex;
  width: min(210px, 100%);
}

.site-footer__logo {
  display: block;
  width: 100%;
  height: auto;
  filter: grayscale(1) brightness(0) invert(1);
  opacity: 0.94;
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.4fr repeat(4, 1fr);
  gap: var(--space-lg);
}

.site-footer__tagline {
  margin-top: var(--space-sm);
  max-width: 32ch;
  color: rgba(247, 244, 238, 0.75);
}

.site-footer__disclaimer {
  margin-top: var(--space-sm);
  font-size: var(--fs-small);
  color: rgba(247, 244, 238, 0.55);
  max-width: 38ch;
}

.site-footer__heading {
  font-family: var(--font-body);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-gold-soft);
  margin-bottom: var(--space-sm);
}

.site-footer__col ul {
  display: grid;
  gap: var(--space-2xs);
}

.site-footer__col a {
  color: rgba(247, 244, 238, 0.82);
}

.site-footer__col a:hover {
  color: var(--color-ivory);
  text-decoration: underline;
}

.site-footer__todo {
  margin-top: var(--space-sm);
  font-size: 0.75rem;
  color: var(--color-gold-soft);
}

.site-footer__newsletter {
  max-width: 34ch;
}

.site-footer__newsletter--column {
  margin: 0;
  padding: 0;
  border: 0;
  max-width: none;
}

.site-footer__newsletter p {
  font-size: 0.9rem;
  color: rgba(247, 244, 238, 0.75);
  margin-bottom: var(--space-sm);
}

.site-footer__newsletter strong {
  color: var(--color-ivory);
}

.newsletter-form__row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs);
}

.newsletter-form__row input[type="email"] {
  flex: 1 1 180px;
  min-width: 0;
  border-radius: var(--radius-pill);
  border: 1.5px solid rgba(247, 244, 238, 0.25);
  background: rgba(247, 244, 238, 0.08);
  color: var(--color-ivory);
  padding: 0.7rem 1.1rem;
  font-size: 0.9rem;
}

.newsletter-form__row input[type="email"]::placeholder {
  color: rgba(247, 244, 238, 0.5);
}

.newsletter-form__row input[type="email"]:focus {
  border-color: var(--color-aqua-soft);
}

.site-footer__newsletter--column .newsletter-form__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: start;
}

.site-footer__newsletter--column .newsletter-form__row input[type="email"] {
  width: 100%;
}

.site-footer__newsletter--column .newsletter-form__row .btn {
  justify-self: start;
}

.site-footer__legal-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: start;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(247, 244, 238, 0.14);
}

.site-footer__legal-row .site-footer__heading {
  margin: 0;
  padding-top: 0.2rem;
}

.site-footer__legal-row ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2xs) var(--space-lg);
}

.site-footer__legal-row a {
  color: rgba(247, 244, 238, 0.72);
  font-size: var(--fs-small);
}

.site-footer__legal-row a:hover {
  color: var(--color-ivory);
  text-decoration: underline;
}

.site-footer__bottom {
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--space-2xs);
  margin-top: var(--space-lg);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(247, 244, 238, 0.14);
  font-size: var(--fs-small);
  color: rgba(247, 244, 238, 0.55);
}

@media (max-width: 1023px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
  }
  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 620px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }

  .site-footer__legal-row {
    grid-template-columns: 1fr;
    gap: var(--space-xs);
  }

  .site-footer__legal-row ul {
    display: grid;
    gap: var(--space-2xs);
  }
}

/* ==========================================================================
   WHATSAPP FLOTANTE
   ========================================================================== */

.whatsapp-fab {
  position: fixed;
  right: var(--space-md);
  bottom: var(--space-md);
  z-index: 90;
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: var(--color-teal-deep);
  color: #fff;
  box-shadow: var(--shadow-lift);
  transition: transform var(--dur-fast) var(--ease-organic);
}

.whatsapp-fab:hover {
  transform: translateY(-3px);
}

/* ==========================================================================
   COOKIE BANNER
   ========================================================================== */

.cookie-banner {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: var(--z-cookie);
  padding: var(--space-md);
}

.cookie-banner__inner {
  max-width: 960px;
  margin-inline: auto;
  background: rgba(15, 30, 42, 0.92);
  color: var(--color-ivory);
  border-radius: var(--radius-md);
  padding: var(--space-md) var(--space-lg);
  box-shadow: var(--shadow-lift);
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-md);
}

.cookie-banner__inner p {
  flex: 1 1 320px;
  font-size: var(--fs-small);
  max-width: none;
  color: rgba(247, 244, 238, 0.85);
}

.cookie-banner__inner a {
  color: var(--color-aqua-soft);
  text-decoration: underline;
}

.cookie-banner__actions {
  display: flex;
  gap: var(--space-2xs);
  flex-wrap: wrap;
}