/* ═════════════════════════════════════════════════════════════════════
   HAVEN MASTHEAD — shared across all pages
   Single source of truth. Edit here, propagates everywhere.
   ═════════════════════════════════════════════════════════════════════ */

.masthead {
  position: sticky; top: 0; z-index: 100;
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  background: rgba(248, 248, 248, 0.92);
  border-bottom: 1px solid var(--rule, rgba(14, 15, 18, 0.08));
}
.masthead-inner {
  max-width: 100%; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 clamp(24px, 4vw, 96px); height: 56px;
}
.masthead-mark {
  display: inline-flex; align-items: center; gap: var(--s-2, 8px);
  color: var(--t1, #0E0F12); flex-shrink: 0;
}
.masthead .glyph {
  width: 18px; height: 18px;
  display: flex; flex-direction: column;
  gap: 2px; justify-content: flex-end; flex-shrink: 0;
}
.masthead .glyph i {
  display: block; height: 3px;
  background: var(--anchor-ink, #1A1B1F); border-radius: 0.5px;
}
.masthead .glyph i:nth-child(1) { width: 6px; background: var(--accent-char, #D8E658); opacity: 0.40; }
.masthead .glyph i:nth-child(2) { width: 11px; background: var(--accent-char, #D8E658); opacity: 0.70; }
.masthead .glyph i:nth-child(3) { width: 18px; background: var(--accent-char, #D8E658); opacity: 1; }
.masthead-name { font-size: 16px; font-weight: 600; letter-spacing: -0.025em; }

/* Nav list */
.nav { display: flex; align-items: center; gap: 0; list-style: none; margin: 0; padding: 0; }
.nav-item { position: relative; }
.nav-link {
  display: inline-flex; align-items: center; gap: 4px;
  padding: 0 14px; height: 56px;
  font-size: 13.5px; font-weight: 500; color: var(--t3, #5A5C60);
  letter-spacing: -0.005em;
  transition: color 200ms cubic-bezier(0.32, 0.72, 0, 1);
  cursor: pointer; background: none; border: none;
  font-family: var(--sans, 'Manrope', -apple-system, BlinkMacSystemFont, sans-serif);
  white-space: nowrap; text-decoration: none;
}
.nav-link:hover { color: var(--t1, #0E0F12); }
.nav-link svg {
  width: 10px; height: 10px; opacity: 0.5;
  transition: transform 200ms cubic-bezier(0.32, 0.72, 0, 1), opacity 200ms cubic-bezier(0.32, 0.72, 0, 1);
  flex-shrink: 0;
}
.nav-item:hover .nav-link svg { transform: rotate(180deg); opacity: 0.8; }

/* Dropdown */
.nav-dropdown {
  position: absolute; top: 100%; left: 0;
  min-width: 210px;
  background: var(--surface-card, #FFFFFF);
  border: 1px solid var(--rule, rgba(14, 15, 18, 0.08));
  border-radius: var(--r-md, 8px);
  box-shadow: 0 8px 32px -8px rgba(14, 15, 18, 0.14), 0 2px 8px -2px rgba(14, 15, 18, 0.06);
  padding: var(--s-2, 8px) 0;
  opacity: 0; pointer-events: none;
  transform: translateY(6px);
  transition: opacity 200ms cubic-bezier(0.32, 0.72, 0, 1), transform 200ms cubic-bezier(0.32, 0.72, 0, 1);
  z-index: 200;
}
.nav-item:hover .nav-dropdown { opacity: 1; pointer-events: all; transform: translateY(0); }
.nav-dropdown-item {
  display: flex; flex-direction: column;
  padding: 9px var(--s-4, 16px);
  transition: background 120ms cubic-bezier(0.32, 0.72, 0, 1);
  text-decoration: none;
}
.nav-dropdown-item:hover { background: var(--surface-warm, #FBFBFA); }
.nav-dropdown-label { font-size: 13.5px; font-weight: 500; color: var(--t1, #0E0F12); letter-spacing: -0.005em; }
.nav-dropdown-desc { font-size: 11.5px; color: var(--t4, #919599); letter-spacing: -0.003em; margin-top: 1px; }
.nav-dropdown-divider { height: 1px; background: var(--rule, rgba(14, 15, 18, 0.08)); margin: var(--s-2, 8px) 0; }

/* Nav CTA */
.nav-cta {
  display: inline-flex; align-items: center; gap: var(--s-2, 8px);
  margin-left: var(--s-3, 12px); padding: 9px 18px;
  background: var(--anchor-ink, #1A1B1F); color: var(--d1, #F4F4F0);
  border-radius: var(--r-sm, 4px);
  font-size: 13.5px; font-weight: 500; letter-spacing: -0.005em;
  transition: background 200ms cubic-bezier(0.32, 0.72, 0, 1), transform 120ms cubic-bezier(0.32, 0.72, 0, 1);
  white-space: nowrap; text-decoration: none;
}
.nav-cta:hover { background: var(--anchor-ink-d, #14151A); transform: translateY(-1px); }
.nav-cta:active { transform: translateY(0); }
.nav-cta svg { width: 12px; height: 12px; transition: transform 200ms cubic-bezier(0.32, 0.72, 0, 1); }
.nav-cta:hover svg { transform: translateX(2px); }

/* Hamburger */
.nav-toggle {
  display: none; background: none; border: none;
  cursor: pointer; padding: var(--s-2, 8px); color: var(--t1, #0E0F12);
}

/* Mobile nav panel */
.nav-mobile {
  display: none; position: fixed; inset: 0; top: 56px; z-index: 99;
  background: var(--surface-paper, #F8F8F8); border-top: 1px solid var(--rule, rgba(14, 15, 18, 0.08));
  overflow-y: auto; padding: var(--s-5, 24px) var(--s-5, 24px) var(--s-9, 96px);
  flex-direction: column; gap: 0;
}
.nav-mobile.open { display: flex; }
.nav-mobile-section { border-bottom: 1px solid var(--rule, rgba(14, 15, 18, 0.08)); padding: var(--s-4, 16px) 0; }
.nav-mobile-label {
  font-size: 10px; font-weight: 600;
  letter-spacing: 0.12em; text-transform: uppercase;
  color: var(--t4, #919599); padding: 0 0 var(--s-3, 12px);
}
.nav-mobile-link {
  display: block; padding: var(--s-2, 8px) 0;
  font-size: 15px; font-weight: 500; color: var(--t2, #34363A);
  letter-spacing: -0.005em;
  transition: color 200ms cubic-bezier(0.32, 0.72, 0, 1);
  text-decoration: none;
}
.nav-mobile-link:hover { color: var(--t1, #0E0F12); }
.nav-mobile-cta {
  margin-top: var(--s-5, 24px);
  display: flex; align-items: center; justify-content: center; gap: var(--s-2, 8px);
  padding: 14px; background: var(--anchor-ink, #1A1B1F); color: var(--d1, #F4F4F0);
  border-radius: var(--r-sm, 4px); font-size: 15px; font-weight: 500;
  text-decoration: none;
}

@media (max-width: 768px) {
  .nav { display: none; }
  .nav-toggle { display: flex; }
}
@media (max-width: 640px) {
  .masthead-inner { padding: 0 var(--s-4, 16px); }
}