/* ==========================================================================
   Layout — header, mega menu, mobile nav, footer
   ========================================================================== */

/* --------------------------------------------------------------- Header -- */

.header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 100;
  transition: background-color 0.3s, box-shadow 0.3s, backdrop-filter 0.3s;
}

.header__inner {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  height: var(--header-h);
}

.header.is-stuck {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border), var(--shadow-sm);
}

/* Pages with a light (non-hero) top need the solid treatment immediately. */
.header--solid {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  box-shadow: 0 1px 0 var(--border);
}

.brand {
  display: flex;
  flex-shrink: 0;
  gap: 0.7rem;
  align-items: center;
}

.brand__mark {
  display: grid;
  flex-shrink: 0;
  place-items: center;
  width: 42px;
  height: 42px;
  overflow: hidden;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 800;
  color: #fff;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 60%, var(--teal) 100%);
  border-radius: 12px;
}

.brand__mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.brand__text {
  display: flex;
  flex-direction: column;
  line-height: 1.05;
}

.brand__name {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--navy);
}

.brand__sub {
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray);
}

/* ------------------------------------------------------------ Desktop nav -- */

.nav {
  display: none;
  align-items: center;
  gap: 0.35rem;
  margin-inline: auto;
}

.nav__link {
  display: inline-flex;
  gap: 0.3rem;
  align-items: center;
  padding: 0.55rem 0.9rem;
  font-size: 0.93rem;
  font-weight: 600;
  color: var(--navy);
  border-radius: var(--r-pill);
  transition: background-color 0.2s, color 0.2s;
}

.nav__link:hover,
.nav__link[aria-expanded='true'],
.nav__link.is-active {
  color: var(--navy-2);
  background: var(--teal-tint);
}

.nav__caret {
  font-size: 0.6rem;
  transition: transform 0.25s;
}

.nav__link[aria-expanded='true'] .nav__caret {
  transform: rotate(180deg);
}

.header__actions {
  display: none;
  flex-shrink: 0;
  gap: 0.75rem;
  align-items: center;
}

.header__phone {
  display: inline-flex;
  gap: 0.4rem;
  align-items: center;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--navy);
  white-space: nowrap;
  transition: color 0.2s;
}

.header__phone:hover {
  color: var(--teal);
}

/* -------------------------------------------------------------- Mega menu -- */

.mega {
  position: absolute;
  top: calc(var(--header-h) - 6px);
  left: 50%;
  z-index: 90;
  width: min(1100px, calc(100vw - 3rem));
  overflow: hidden;
  visibility: hidden;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  box-shadow: var(--shadow-xl);
  opacity: 0;
  transform: translate(-50%, -12px);
  transition: opacity 0.25s var(--ease), transform 0.25s var(--ease), visibility 0.25s;
}

.mega.is-open {
  visibility: visible;
  opacity: 1;
  transform: translate(-50%, 0);
}

.mega__grid {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 340px;
}

.mega__rail {
  padding: 1.1rem 0.85rem;
  background: var(--surface-alt);
  border-right: 1px solid var(--border);
}

.mega__rail-title {
  padding: 0.25rem 0.75rem 0.75rem;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray);
}

.mega__tab {
  display: flex;
  gap: 0.6rem;
  align-items: center;
  width: 100%;
  padding: 0.65rem 0.75rem;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--navy);
  text-align: left;
  border-radius: var(--r-sm);
  transition: background-color 0.2s, color 0.2s;
}

.mega__tab:hover {
  background: rgba(255, 255, 255, 0.9);
}

.mega__tab.is-active {
  color: #fff;
  background: var(--navy);
}

.mega__tab-icon {
  font-size: 1rem;
}

.mega__tab-name {
  flex: 1;
}

.mega__tab-count {
  padding: 0.1rem 0.5rem;
  font-size: 0.72rem;
  font-weight: 700;
  background: var(--teal-tint);
  border-radius: var(--r-pill);
}

.mega__tab.is-active .mega__tab-count {
  color: #fff;
  background: rgba(255, 255, 255, 0.2);
}

.mega__panel {
  display: none;
  padding: 1.6rem 1.8rem;
}

.mega__panel.is-active {
  display: block;
}

.mega__panel-head {
  margin-bottom: 1.1rem;
}

.mega__panel-title {
  font-size: 1.15rem;
  color: var(--navy);
}

.mega__panel-title span {
  color: var(--teal);
}

.mega__panel-text {
  margin-top: 0.4rem;
  font-size: 0.9rem;
  color: var(--gray);
}

.mega__links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 0.3rem;
  margin-bottom: 1.4rem;
}

.mega__link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.55rem 0.75rem;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--navy);
  border-radius: var(--r-sm);
  transition: background-color 0.18s, color 0.18s, padding-left 0.18s;
}

.mega__link:hover {
  padding-left: 1rem;
  color: var(--navy-2);
  background: var(--teal-tint);
}

.mega__link span {
  color: var(--teal);
}

.mega__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 1.3rem;
  color: #fff;
  background: linear-gradient(120deg, var(--navy) 0%, var(--navy-2) 100%);
  border-radius: var(--r-md);
}

.mega__cta-title {
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
}

.mega__cta-text {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.75);
}

/* ------------------------------------------------------------- Mobile nav -- */

.hamburger {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  margin-left: auto;
  border-radius: var(--r-sm);
  transition: background-color 0.2s;
}

.hamburger:hover {
  background: var(--teal-tint);
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--navy);
  border-radius: 2px;
  transition: transform 0.3s var(--ease), opacity 0.2s;
}

.hamburger span + span {
  margin-top: 5px;
}

.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);
}

.drawer {
  position: fixed;
  inset: var(--header-h) 0 0 0;
  z-index: 95;
  overflow-y: auto;
  visibility: hidden;
  background: #fff;
  opacity: 0;
  transition: opacity 0.28s var(--ease), visibility 0.28s;
}

.drawer.is-open {
  visibility: visible;
  opacity: 1;
}

.drawer__inner {
  padding: 1.5rem 1.5rem 3rem;
}

.drawer__link {
  display: block;
  padding: 0.95rem 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  border-bottom: 1px solid var(--border);
}

.drawer__group {
  border-bottom: 1px solid var(--border);
}

.drawer__toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  width: 100%;
  padding: 0.95rem 0;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--navy);
  text-align: left;
}

.drawer__toggle .nav__caret {
  font-size: 0.75rem;
}

.drawer__toggle[aria-expanded='true'] .nav__caret {
  transform: rotate(180deg);
}

.drawer__sub {
  display: none;
  padding-bottom: 1rem;
}

.drawer__sub.is-open {
  display: block;
}

.drawer__sub-group {
  padding: 0.6rem 0;
}

.drawer__sub-title {
  padding: 0.35rem 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teal);
}

.drawer__sub-link {
  display: block;
  padding: 0.45rem 0 0.45rem 0.85rem;
  font-size: 0.93rem;
  color: var(--gray);
  border-left: 2px solid var(--border);
}

.drawer__sub-link:hover {
  color: var(--navy);
  border-color: var(--teal);
}

.drawer__actions {
  display: grid;
  gap: 0.75rem;
  margin-top: 1.75rem;
}

/* --------------------------------------------------------------- Footer -- */

.footer {
  padding-top: clamp(3rem, 6vw, 4.5rem);
  color: rgba(255, 255, 255, 0.72);
  background: var(--navy);
}

.footer a {
  transition: color 0.2s;
}

.footer a:hover {
  color: #fff;
}

.footer__grid {
  display: grid;
  gap: 2.5rem;
  padding-bottom: 3rem;
}

.footer__about {
  max-width: 420px;
}

.footer .brand__name {
  color: #fff;
}

.footer .brand__sub {
  color: var(--teal);
}

.footer__text {
  margin-top: 1.1rem;
  font-size: 0.9rem;
  line-height: 1.7;
}

.footer__social {
  display: flex;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

.footer__social a {
  display: grid;
  place-items: center;
  width: 38px;
  height: 38px;
  font-size: 0.85rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  border-radius: 50%;
  transition: background-color 0.22s, transform 0.22s;
}

.footer__social a:hover {
  background: var(--teal);
  transform: translateY(-3px);
}

.footer__title {
  margin-bottom: 1.1rem;
  font-family: var(--font-display);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: #fff;
}

.footer__list li + li {
  margin-top: 0.6rem;
}

.footer__list a,
.footer__contact a {
  font-size: 0.9rem;
}

.footer__contact li {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  font-size: 0.9rem;
}

.footer__contact li + li {
  margin-top: 0.9rem;
}

.footer__bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
  justify-content: space-between;
  align-items: center;
  padding-block: 1.5rem;
  font-size: 0.82rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.footer__bottom strong {
  color: var(--teal);
  font-weight: 600;
}

/* ------------------------------------------------------- Floating actions -- */

.fab {
  position: fixed;
  right: 1.25rem;
  bottom: 1.25rem;
  z-index: 80;
  display: grid;
  gap: 0.6rem;
}

.fab__btn {
  display: grid;
  place-items: center;
  width: 52px;
  height: 52px;
  font-size: 1.3rem;
  color: #fff;
  border-radius: 50%;
  box-shadow: var(--shadow-lg);
  transition: transform 0.25s var(--ease);
}

.fab__btn:hover {
  transform: scale(1.08);
}

.fab__btn--whatsapp {
  background: #25d366;
}

.fab__btn--top {
  font-size: 1rem;
  visibility: hidden;
  background: var(--navy);
  opacity: 0;
  transition: opacity 0.25s, visibility 0.25s, transform 0.25s var(--ease);
}

.fab__btn--top.is-visible {
  visibility: visible;
  opacity: 1;
}

/* --------------------------------------------------------- Breakpoints -- */

@media (min-width: 640px) {
  .footer__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .nav,
  .header__actions {
    display: flex;
  }

  .hamburger,
  .drawer {
    display: none;
  }

  .footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 3rem 2rem;
  }
}