/* SITE — floating segmented glass nav (home / about / beliefs).
   Glass surface for .nav-inner comes from glass.css. */

.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  padding: var(--space-4) var(--gutter) 0;
  display: flex;
  align-items: flex-start;
}
.nav-inner {
  max-width: calc(var(--max-w) - 2 * var(--gutter));
  width: 100%;
  height: 56px;
  margin: 0 auto;
  padding: var(--space-2) var(--space-2) var(--space-2) var(--space-6);
  border-radius: var(--r-pill);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
}
.nav-name {
  font-family: var(--f-display);
  font-size: var(--fs-xs);
  font-weight: var(--fw-semibold);
  color: var(--text);
  letter-spacing: var(--ls-wider);
  text-transform: uppercase;
  white-space: nowrap;
  transition: color 0.15s;
}
.nav-name:hover { color: var(--accent); }

/* ── Segmented control ── */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}
.nav-seg {
  font-size: var(--fs-sm);
  font-weight: var(--fw-medium);
  color: var(--text-mid);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--r-pill);
  white-space: nowrap;
  transition: color 0.2s, background 0.3s cubic-bezier(.2,.8,.2,1), box-shadow 0.3s;
}
.nav-seg:hover { color: var(--text); background: rgba(255, 255, 255, 0.06); }
.nav-seg.active {
  color: var(--text);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.22), 0 0 0 1px rgba(255, 255, 255, 0.05);
}
.nav-seg--cta,
.nav-sheet-lang { display: none; }

/* ── Right side: CTA + language ── */
.nav-actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.nav-cta {
  font-size: var(--fs-sm);
  font-weight: var(--fw-semibold);
  color: var(--accent-ink);
  background: var(--accent);
  padding: var(--space-2) var(--space-4);
  border-radius: var(--r-pill);
  white-space: nowrap;
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.2), 0 4px 20px color-mix(in srgb, var(--accent) 28%, transparent);
  transition: background 0.2s, box-shadow 0.3s;
}
.nav-cta:hover { background: var(--accent-hover); box-shadow: inset 0 0 0 1px rgba(255, 255, 255, 0.3), 0 6px 28px color-mix(in srgb, var(--accent) 40%, transparent); }

.nav-hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: var(--space-1);
  width: 40px;
  height: 40px;
  background: none;
  border: none;
  border-radius: var(--r-pill);
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 20px;
  height: 1.5px;
  background: var(--text);
  border-radius: var(--r-pill);
  transition: transform 0.22s ease, opacity 0.18s ease;
}
.nav.is-open .nav-hamburger span:nth-child(1) { transform: translateY(5.5px) rotate(45deg); }
.nav.is-open .nav-hamburger span:nth-child(2) { opacity: 0; }
.nav.is-open .nav-hamburger span:nth-child(3) { transform: translateY(-5.5px) rotate(-45deg); }

@media (max-width: 900px) {
  .nav-cta { display: none; }
}

@media (max-width: 640px) {
  .nav { padding-inline: var(--gutter-sm); }
  .nav-inner { padding-left: var(--space-5); }
  .nav-hamburger { display: flex; width: 44px; height: 44px; }
  .nav-actions > .lang-toggle { display: none; }
  .nav-sheet-lang { display: flex; padding: var(--space-3) var(--space-5) var(--space-2); }
  .nav-sheet-lang .lang-btn { font-size: var(--fs-sm); padding: var(--space-2) var(--space-4); }
  /* menu opens as a glass sheet under the capsule */
  .nav-links {
    position: fixed;
    top: calc(var(--nav-height) + var(--space-2));
    left: var(--gutter-sm);
    right: var(--gutter-sm);
    flex-direction: column;
    align-items: stretch;
    gap: var(--space-1);
    padding: var(--space-2);
    border-radius: var(--r-2xl);
    background: rgba(14, 12, 36, 0.72);
    -webkit-backdrop-filter: var(--glass-blur);
    backdrop-filter: var(--glass-blur);
    border: 1px solid var(--glass-line);
    box-shadow: inset 0 1px 0 var(--glass-hi), var(--shadow-lg);
    opacity: 0;
    transform: translateY(-8px);
    pointer-events: none;
    transition: opacity 0.2s ease, transform 0.3s cubic-bezier(.2,.8,.2,1);
    z-index: 99;
  }
  .nav.is-open .nav-links { opacity: 1; transform: none; pointer-events: auto; }
  .nav-seg { font-size: var(--fs-md); padding: var(--space-4) var(--space-5); border-radius: var(--r-xl); }
  .nav-seg--cta { display: block; color: var(--accent); }
}