/* MELDIX — topbar.css: pagehead (header) + drawer (mobile nav) */

.pagehead {
  position: sticky; top: 0; z-index: 200;
  background: rgba(11, 13, 20, 0.92);
  border-bottom: 1px solid var(--line);
}

.pagehead-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: 72px;
  gap: var(--step-3);
}

.wordmark {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-display); font-weight: 600;
  font-size: 18px; letter-spacing: 0.18em;
  color: var(--ink);
}
.wordmark:hover { color: var(--ink); }
.wordmark-dot {
  width: 10px; height: 10px;
  background: var(--grad-cta);
  border-radius: 1px;
  display: inline-block;
}

.pagehead-nav { display: none; }
.pagehead-nav-list { list-style: none; margin: 0; padding: 0; display: flex; gap: var(--step-3); }
.pagehead-nav-link {
  font-size: 14px; font-family: var(--font-display); font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--ink-2);
  padding: 6px 0;
  border-bottom: 1px solid transparent;
}
.pagehead-nav-link:hover, .pagehead-nav-link.is-current {
  color: var(--ink);
  border-bottom-color: var(--electric);
}

.pagehead-cta { display: none; }

.nav-trigger {
  display: inline-flex; flex-direction: column; gap: 5px;
  width: 44px; height: 44px; padding: 0;
  background: transparent; border: 1px solid var(--line-2);
  border-radius: var(--r-sm);
  align-items: center; justify-content: center;
  cursor: pointer;
}
.nav-trigger-bar {
  width: 20px; height: 1.5px;
  background: var(--ink);
  display: block;
  transition: transform 0.2s ease, opacity 0.2s ease;
}
.nav-trigger[aria-expanded="true"] .nav-trigger-bar:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.nav-trigger[aria-expanded="true"] .nav-trigger-bar:nth-child(2) { opacity: 0; }
.nav-trigger[aria-expanded="true"] .nav-trigger-bar:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

@media (min-width: 1024px) {
  .pagehead-nav { display: block; }
  .pagehead-cta { display: inline-flex; }
  .nav-trigger { display: none; }
}

/* mobile drawer overlay */
.drawer {
  position: fixed; inset: 0;
  z-index: 220;
  background: var(--midnight);
  display: none;
  flex-direction: column;
  padding: 100px var(--step-3) var(--step-4);
}
.drawer.is-open { display: flex; }
.drawer-list { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: var(--step-3); }
.drawer-link {
  font-family: var(--font-display); font-size: 28px; font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--ink);
}
.drawer-link:hover { color: var(--electric); }
.drawer-foot {
  margin-top: auto;
  padding-top: var(--step-4);
  border-top: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 6px;
  font-family: var(--font-mono); font-size: 13px; color: var(--ink-3);
}
.drawer-foot a { color: var(--ink-2); }