/* ============================================================
   Header, primary nav, and footer — shared across every page.
   ============================================================ */

body {
  padding-top: var(--header-h);
}

/* ---- Header ---- */
.site-header {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  z-index: 100;
  height: var(--header-h);
  display: flex;
  align-items: center;
  background: #fff;
  border-bottom: 1px solid transparent;
  transition: box-shadow var(--transition), border-color var(--transition), background-color var(--transition);
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.97);
  border-color: var(--color-border);
  box-shadow: var(--shadow-sm);
}

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

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-navy-dark);
  flex-shrink: 0;
}

.brand img {
  height: 46px;
  width: auto;
}

.brand-name {
  font-size: 1.05rem;
  line-height: 1.15;
}

.brand-name span {
  display: block;
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.7rem;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--color-red);
}

/* ---- Nav toggle (mobile) ---- */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-border);
  color: var(--color-navy-dark);
  z-index: 110;
}

.nav-toggle .icon {
  width: 22px;
  height: 22px;
}

.nav-toggle .icon-close {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-menu {
  display: none;
}

.nav-toggle[aria-expanded="true"] .icon-close {
  display: block;
}

/* ---- Primary nav ---- */
.site-nav {
  display: flex;
  align-items: center;
  gap: var(--space-lg);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 1.5vw, 1.9rem);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.97rem;
}

.nav-menu a {
  position: relative;
  padding-block: 0.4rem;
  color: var(--color-ink);
  transition: color var(--transition);
}

.nav-menu a::after {
  content: "";
  position: absolute;
  left: 0;
  right: 100%;
  bottom: 0;
  height: 2px;
  background: var(--color-red);
  border-radius: var(--radius-full);
  transition: right var(--transition);
}

.nav-menu a:hover {
  color: var(--color-navy);
}

.nav-menu a:hover::after {
  right: 0;
}

.nav-menu a[aria-current="page"] {
  color: var(--color-navy);
  font-weight: 600;
}

.nav-menu a[aria-current="page"]::after {
  right: 0;
}

.nav-cta {
  flex-shrink: 0;
}

.nav-cta .btn {
  padding: 0.7em 1.5em;
  font-size: 0.92rem;
}

@media (max-width: 999.98px) {
  .nav-cta {
    display: none;
  }

  .site-nav {
    position: fixed;
    inset: 0;
    z-index: 105;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    gap: 0;
    background: var(--color-white);
    padding: calc(var(--header-h) + var(--space-md)) var(--container-pad) var(--space-md);
    transform: translateX(100%);
    transition: transform 0.35s var(--ease);
    visibility: hidden;
  }

  body.nav-open .site-nav {
    transform: translateX(0);
    visibility: visible;
  }

  .nav-menu {
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    width: 100%;
    font-size: 1.35rem;
  }

  .nav-menu a {
    display: block;
    width: 100%;
    padding-block: 0.9rem;
    border-bottom: 1px solid var(--color-border);
  }

  .nav-menu a::after {
    display: none;
  }

  .site-nav .btn {
    margin-top: var(--space-md);
    width: 100%;
  }

  .site-nav .btn.nav-cta {
    display: inline-flex;
  }
}

@media (min-width: 1000px) {
  .nav-toggle {
    display: none;
  }

  /* Safe above 1000px only: below it, .site-nav becomes a fixed
     full-screen panel, and backdrop-filter on this ancestor would
     turn it into that panel's containing block, collapsing it to
     the header's own height instead of the viewport. */
  .site-header {
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
  }
}

/* ---- Footer ---- */
.site-footer {
  background: var(--color-navy-dark);
  color: rgba(255, 255, 255, 0.75);
}

.footer-main {
  padding-block: var(--space-xl) var(--space-lg);
  display: grid;
  gap: var(--space-lg);
  grid-template-columns: 1.3fr 1fr 1fr;
}

@media (max-width: 767.98px) {
  .footer-main {
    grid-template-columns: 1fr;
    gap: var(--space-md);
  }
}

.footer-brand .brand {
  color: var(--color-white);
}

.footer-brand p {
  margin-top: var(--space-sm);
  max-width: 40ch;
  color: rgba(255, 255, 255, 0.6);
  font-size: var(--fs-sm);
}

.footer-social {
  display: flex;
  gap: 0.75rem;
  margin-top: var(--space-md);
}

.footer-social a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: var(--radius-full);
  border: 1.5px solid rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  transition: background-color var(--transition), border-color var(--transition), transform var(--transition);
}

.footer-social a:hover {
  background: var(--color-red);
  border-color: var(--color-red);
  transform: translateY(-2px);
}

.footer-social .icon {
  width: 18px;
  height: 18px;
}

.footer-heading {
  font-family: var(--font-heading);
  color: var(--color-white);
  font-size: 0.95rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  margin-bottom: var(--space-sm);
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  font-size: var(--fs-sm);
}

.footer-links a {
  transition: color var(--transition);
}

.footer-links a:hover {
  color: var(--color-white);
}

.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  font-size: var(--fs-sm);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 0.7rem;
}

.footer-contact .icon {
  width: 18px;
  height: 18px;
  margin-top: 0.15rem;
  color: var(--color-red);
  flex-shrink: 0;
}

.footer-contact a:hover {
  color: var(--color-white);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  padding-block: var(--space-sm);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.75);
  font-weight: 600;
}

.footer-bottom a:hover {
  color: var(--color-white);
}