/* Site chrome: header, logo, footer. */

/* ---------- Logo ---------- */
.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  flex: none;
}

.logo__mark {
  width: 44px;
  height: 44px;
}

.logo__text {
  display: grid;
  gap: 1px;
}

.logo__name {
  font-size: 1.2rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1.1;
  color: var(--color-text);
}

.logo__name strong {
  font-weight: 800;
}

.logo__tld {
  font-size: 0.75rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

.logo__tagline {
  font-size: 0.5rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-accent);
  position: relative;
  padding-inline: 1.1rem;
}

.logo__tagline::before,
.logo__tagline::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 0.75rem;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}

.logo__tagline::before {
  left: 0;
}

.logo__tagline::after {
  right: 0;
}

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgb(255 255 255 / 0.88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid transparent;
  transition:
    border-color var(--duration-normal) var(--ease-out-expo),
    box-shadow var(--duration-normal) var(--ease-out-expo);
}

.site-header.is-scrolled {
  border-bottom-color: var(--color-border);
  box-shadow: var(--shadow-xs);
}

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

.site-header__drawer {
  display: contents;
}

.site-nav__list {
  display: flex;
  align-items: center;
  gap: clamp(0.9rem, 0.2rem + 1.5vw, 2rem);
}

.site-nav__link {
  position: relative;
  display: block;
  padding: 0.4rem 0;
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text-soft);
  transition: color var(--duration-fast) var(--ease-out-expo);
}

.site-nav__link::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  border-radius: var(--radius-pill);
  transition:
    width var(--duration-normal) var(--ease-out-expo),
    left var(--duration-normal) var(--ease-out-expo);
}

.site-nav__link:hover,
.site-nav__link.is-active {
  color: var(--color-accent);
}

.site-nav__link:hover::after,
.site-nav__link.is-active::after {
  left: 0;
  width: 100%;
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.nav-toggle {
  display: none;
  padding: 0.5rem;
  background: none;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  color: var(--color-text);
  cursor: pointer;
}

.nav-toggle .icon {
  width: 1.4rem;
  height: 1.4rem;
}

.nav-toggle__close {
  display: none;
}

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

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

@media (max-width: 960px) {
  .nav-toggle {
    display: block;
    order: 3;
  }

  .site-header__drawer {
    display: grid;
    gap: var(--space-md);
    order: 4;
    width: 100%;
    max-height: 0;
    overflow: hidden;
    visibility: hidden;
    opacity: 0;
    transition:
      max-height var(--duration-normal) var(--ease-out-expo),
      opacity var(--duration-normal) var(--ease-out-expo),
      visibility var(--duration-normal);
  }

  .site-header__drawer.is-open {
    max-height: 32rem;
    visibility: visible;
    opacity: 1;
    padding-block: var(--space-sm) var(--space-md);
    border-top: 1px solid var(--color-border);
  }

  .site-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .site-nav__link {
    padding: 0.75rem 0.25rem;
    border-bottom: 1px solid var(--color-border);
    font-size: var(--text-md);
  }

  .site-nav__link::after {
    display: none;
  }

  .site-header__actions {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.75rem;
  }
}

/* ---------- Footer ---------- */
.site-footer {
  border-top: 1px solid var(--color-border);
  background: var(--color-surface);
  padding-top: var(--space-xl);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1.3fr 1.4fr;
  gap: var(--space-lg);
  padding-bottom: var(--space-xl);
}

.site-footer__blurb {
  margin-top: var(--space-sm);
  max-width: 22rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.site-footer__heading {
  margin-bottom: var(--space-sm);
  font-size: var(--text-md);
  font-weight: 700;
}

.link-list,
.contact-list {
  display: grid;
  gap: 0.7rem;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.link-list a {
  transition: color var(--duration-fast) var(--ease-out-expo);
}

.link-list a:hover {
  color: var(--color-accent);
}

.contact-list li {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.contact-list .icon {
  width: 1.1rem;
  height: 1.1rem;
  color: var(--color-accent);
}

.contact-list a:hover {
  color: var(--color-accent);
}

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

.social-list__link {
  display: grid;
  place-items: center;
  width: 2.25rem;
  height: 2.25rem;
  border-radius: var(--radius-sm);
  color: var(--color-accent);
  background: var(--color-accent-soft);
  transition:
    background-color var(--duration-normal) var(--ease-out-expo),
    color var(--duration-normal) var(--ease-out-expo),
    transform var(--duration-fast) var(--ease-out-expo);
}

.social-list__link:hover {
  background: var(--gradient-accent);
  color: var(--color-white);
  transform: translateY(-2px);
}

.site-footer__address,
.site-footer__reg {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.site-footer__reg {
  margin-top: var(--space-sm);
}

.site-footer__reg strong {
  color: var(--color-text);
}

.site-footer__note {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin-top: var(--space-sm);
  padding: 0.75rem 0.9rem;
  border-radius: var(--radius-sm);
  background: var(--color-accent-soft);
  color: var(--color-accent-strong);
  font-size: var(--text-xs);
  line-height: 1.5;
}

.site-footer__note .icon {
  width: 1.1rem;
  height: 1.1rem;
  margin-top: 0.1rem;
}

.site-footer__bar {
  border-top: 1px solid var(--color-border);
  padding-block: var(--space-md);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

@media (max-width: 960px) {
  .site-footer__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-lg);
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

@media (max-width: 560px) {
  .site-footer__grid {
    grid-template-columns: 1fr;
  }
}