/* Hallmark · v2.0.0 · layout sheet — stamp, waivers and palette live in styles.css :root */
/* ============================================================
   LABULLMED — layout.css
   Topbar, header, navigation, footer, back-to-top
   ============================================================ */

/* ---------- Header ---------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  transition: box-shadow .25s ease;
}
.site-header.is-scrolled { box-shadow: var(--shadow-md); }

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

.brand { display: inline-flex; align-items: center; }
.brand--header {
  flex-direction: column;
  align-items: center;
  gap: .15rem;
}
.brand__logo {
  display: block;
  width: auto;
  height: 46px;
  flex: 0 0 auto;
}
.brand__tag {
  font-family: var(--font-head);
  font-size: .58rem;
  font-weight: 600;
  line-height: 1;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

/* ---------- Primary nav ---------- */
.nav { margin-left: auto; }
.nav__list { display: flex; align-items: center; gap: .35rem; }

.nav__link {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: .35rem;
  padding: .55rem .8rem;
  border: 0;
  background: none;
  border-radius: var(--radius-sm);
  font-family: var(--font-head);
  font-size: .93rem;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
  transition: color .2s ease, background .2s ease;
}
.nav__link:hover { color: var(--blue); background: var(--tint-blue); }
/* active page + active trail */
.nav__link[aria-current="page"] { color: var(--blue); font-weight: 600; }
.nav__link[aria-current="page"]::after {
  content: "";
  position: absolute;
  left: .8rem; right: .8rem; bottom: .12rem;
  height: 2.5px;
  border-radius: 2px;
  background: var(--green);
}
/* ---------- Hamburger ---------- */
.nav-toggle {
  display: none;
  flex: 0 0 46px;
  margin-left: auto;
  width: 46px; height: 46px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: var(--white);
  position: relative;
}
.nav-toggle__bar,
.nav-toggle::before,
.nav-toggle::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 22px;
  width: 20px; height: 2px;
  border-radius: 2px;
  background: var(--blue);
  translate: -50% 0;
  transition: translate .22s ease, transform .22s ease, opacity .22s ease;
}
.nav-toggle::before { translate: -50% -6px; }
.nav-toggle::after { translate: -50% 6px; }
.nav-toggle[aria-expanded="true"]::before { translate: -50% 0; transform: rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bar { opacity: 0; }
.nav-toggle[aria-expanded="true"]::after { translate: -50% 0; transform: rotate(-45deg); }

.header__cta { white-space: nowrap; }
.nav__cta { display: none; }

@media (max-width: 960px) {
  .header__cta { display: none; }
  .nav-toggle { display: block; }
  body.nav-open { overflow: hidden; }
  .nav {
    position: absolute;
    top: 100%;
    left: 0; right: 0;
    display: none;
    background: var(--white);
    box-shadow: var(--shadow-lg);
    margin: 0;
    max-height: calc(100vh - var(--header-h));
    overflow-y: auto;
  }
  .nav.is-open { display: block; }
  .nav__list { flex-direction: column; align-items: stretch; gap: 0; padding: .6rem clamp(1rem, 4vw, 2rem) 1rem; }
  .nav__item + .nav__item { border-top: 1px solid var(--bg); }
  .nav__link {
    width: 100%;
    justify-content: space-between;
    padding: .9rem .25rem;
    border-radius: 0;
    font-size: 1rem;
  }
  .nav__link:hover { background: none; }
  .nav__link[aria-current="page"]::after { left: .25rem; right: auto; width: 42px; bottom: .35rem; }
  .header__in { position: relative; }

  .nav__cta {
    display: flex;
    margin: .6rem clamp(1rem, 4vw, 2rem) 1rem;
  }
}

/* Tablets in landscape are touch devices too. */
@media (max-width: 1024px) {
  .header__cta { min-height: 44px; }
  .nav__link { min-height: 44px; }

  .f-contact a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
  }
  .f-contact li:has(> a) { align-items: center; }
}

@media (max-width: 360px) {
  .header__in { gap: .9rem; }
}

@media (max-width: 560px) {
  :root { --header-h: 68px; }
  .header__in { gap: .6rem; }
  .brand__logo { height: 38px; }
}

/* ---------- Footer ---------- */
.site-footer {
  margin-top: 0;
  background: var(--navy);
  color: var(--footer-ink);
  font-size: .92rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
  padding-block: clamp(2rem, 5vw, 3rem);
}

.brand--footer {
  padding: .55rem .8rem;
  border-radius: 12px;
  background: var(--white);
  box-shadow: 0 8px 22px rgba(0, 0, 0, .2);
}
.brand--footer .brand__logo { height: 34px; }

.f-about {
  margin-top: 1.1rem;
  max-width: 30rem;
  color: var(--footer-ink-soft);
  line-height: 1.7;
}

.f-title {
  position: relative;
  margin: 0 0 1.15rem;
  padding-bottom: .55rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--white);
}
.f-title::after {
  content: "";
  position: absolute;
  left: 0; bottom: 0;
  width: 30px; height: 3px;
  border-radius: 2px;
  background: var(--green);
}

.f-contact li {
  display: flex;
  gap: .7rem;
  align-items: flex-start;
}
.f-contact li + li { margin-top: .8rem; }
.f-contact svg { flex: 0 0 auto; margin-top: .15rem; color: var(--green); }
.f-contact a { color: var(--footer-ink-soft); }
.f-contact a:hover { color: var(--white); }
.f-contact .ph { background: var(--footer-chip-bg); color: var(--footer-chip-ink); }

.footer__bar {
  border-top: 1px solid var(--footer-edge);
  background: var(--footer-bar-bg);
}
.footer__bar-in {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: .4rem 1.5rem;
  padding-block: 1rem;
  font-size: .78rem;
  color: var(--footer-ink-faint);
}
.footer__bar-in p { margin: 0; }

@media (max-width: 620px) {
  .footer__grid { grid-template-columns: minmax(0, 1fr); gap: 1.25rem; padding-block: 1.75rem; }
  .f-about { margin-top: .6rem; }
  .f-title { margin-bottom: .7rem; }
  .footer__bar-in { padding-block: .75rem; }
}

/* ---------- Back to top ---------- */
.to-top {
  position: fixed;
  right: 1.25rem; bottom: 1.25rem;
  z-index: 90;
  display: grid;
  place-items: center;
  width: 46px; height: 46px;
  border: 0;
  border-radius: 50%;
  background: var(--blue);
  color: var(--white);
  box-shadow: var(--shadow-lg);
  transition: opacity .25s ease, transform .25s ease, visibility .25s, background .2s ease;
}
html.js .to-top { opacity: 0; visibility: hidden; transform: translateY(8px); }
html.js .to-top.is-visible { opacity: 1; visibility: visible; transform: translateY(0); }
.to-top:hover { background: var(--blue-700); }
.to-top:active { background: var(--blue-900); }