/* ============================================================
   Calibarium MEP - shared site navigation (used on every page)
   Injected by /site-nav.js. Relies on CSS variables each page
   already defines (--ink, --teal, --gold, --line, --ease).
   ============================================================ */
.snav {
  position: sticky; /* in-flow on sub-pages; index sets it fixed via .nav-overlay */
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  padding: 1rem clamp(1.25rem, 4vw, 3.5rem);
  background: rgba(7, 9, 11, 0.72);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(220, 230, 240, 0.08);
}
body.nav-overlay .snav {
  position: fixed;
}

.snav-brand {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  text-decoration: none;
  color: var(--ink, #ecedef);
  flex: none;
}
.snav-mark {
  width: 24px;
  height: 24px;
  border: 1.5px solid var(--teal, #2e8b9e);
  transform: rotate(45deg);
  position: relative;
}
.snav-mark::after {
  content: '';
  position: absolute;
  inset: 5px;
  background: var(--gold, #daa520);
  opacity: 0.85;
}
.snav-name {
  font-family: 'Fraunces', serif;
  font-weight: 500;
  font-size: 1.2rem;
  letter-spacing: 0.01em;
}
.snav-accent {
  color: var(--teal, #2e8b9e);
}

.snav-links {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}
.snav-link,
.snav-cta {
  color: var(--ink-soft, #aeb4bb);
  text-decoration: none;
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 0.3s var(--ease, ease);
}
.snav-link:hover {
  color: var(--ink, #ecedef);
}
.snav-cta {
  color: var(--gold, #daa520);
  border: 1px solid rgba(218, 165, 32, 0.4);
  padding: 0.45rem 0.95rem;
  border-radius: 999px;
}
.snav-cta:hover {
  background: rgba(218, 165, 32, 0.12);
}

/* Services dropdown */
.snav-item {
  position: relative;
}
.snav-caret {
  font-size: 0.6rem;
  margin-left: 0.3rem;
  opacity: 0.7;
}
.snav-dropdown {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  min-width: 234px;
  padding: 0.5rem;
  background: rgba(11, 15, 19, 0.97);
  border: 1px solid rgba(220, 230, 240, 0.1);
  border-radius: 12px;
  box-shadow: 0 24px 60px -28px rgba(0, 0, 0, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.25s var(--ease, ease), transform 0.25s var(--ease, ease);
}
.snav-item:hover .snav-dropdown,
.snav-item:focus-within .snav-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(2px);
}
.snav-dropdown a {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.6rem 0.8rem;
  border-radius: 8px;
  color: var(--ink-soft, #aeb4bb);
  text-decoration: none;
  font-size: 0.82rem;
  letter-spacing: 0.02em;
  text-transform: none;
  transition: background 0.2s var(--ease, ease), color 0.2s var(--ease, ease);
}
.snav-dropdown a:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--ink, #ecedef);
}
.snav-dropdown i {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--c, var(--teal, #2e8b9e));
  box-shadow: 0 0 8px 0 var(--c, #2e8b9e);
  flex: none;
}

/* Hamburger (hidden on desktop) */
.snav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 42px;
  height: 38px;
  padding: 0;
  background: none;
  border: 1px solid rgba(220, 230, 240, 0.18);
  border-radius: 9px;
  cursor: pointer;
}
.snav-toggle span {
  display: block;
  width: 18px;
  height: 1.5px;
  margin: 0 auto;
  background: var(--ink, #ecedef);
  transition: transform 0.3s var(--ease, ease), opacity 0.3s var(--ease, ease);
}
.snav.open .snav-toggle span:nth-child(1) { transform: translateY(6.5px) rotate(45deg); }
.snav.open .snav-toggle span:nth-child(2) { opacity: 0; }
.snav.open .snav-toggle span:nth-child(3) { transform: translateY(-6.5px) rotate(-45deg); }

/* ---------- Mobile ---------- */
@media (max-width: 820px) {
  .snav-toggle {
    display: flex;
  }
  .snav-links {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0.25rem;
    padding: 0.75rem clamp(1.25rem, 4vw, 3.5rem) 1.25rem;
    background: rgba(9, 12, 15, 0.98);
    border-bottom: 1px solid rgba(220, 230, 240, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    transform: translateY(-12px);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.28s var(--ease, ease), transform 0.28s var(--ease, ease);
  }
  .snav.open .snav-links {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }
  .snav-link,
  .snav-cta {
    padding: 0.75rem 0.25rem;
    font-size: 0.9rem;
  }
  .snav-cta {
    align-self: flex-start;
    margin-top: 0.4rem;
  }
  /* Dropdown becomes a static, indented list inside the mobile panel */
  .snav-item { width: 100%; }
  .snav-dropdown {
    position: static;
    transform: none;
    opacity: 1;
    visibility: visible;
    min-width: 0;
    margin: 0.1rem 0 0.4rem 0.75rem;
    padding: 0.2rem 0;
    background: none;
    border: none;
    box-shadow: none;
    backdrop-filter: none;
  }
  .snav-caret { display: none; }
}