/* ══════════════════════════════════════════════
   Annume Vitality Lab · Shared Styles
   Dark Mode · Navigation · Newsletter · A11y
   ══════════════════════════════════════════════ */

/* ── SKIP LINK (Accessibility) ── */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  background: var(--ink);
  color: var(--ivory);
  padding: 8px 16px;
  z-index: 9999;
  font-family: 'Jost', sans-serif;
  font-size: 14px;
  letter-spacing: 0.08em;
  text-decoration: none;
  border-radius: 0 0 4px 4px;
  transition: top 0.15s ease;
}
.skip-link:focus { top: 0; }

/* ── SITE-WIDE NAV BAR ── */
.site-nav {
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  gap: 2px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.site-nav::-webkit-scrollbar { display: none; }
.site-nav a {
  font-family: 'Jost', sans-serif;
  font-weight: 500;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--taupe);
  text-transform: uppercase;
  text-decoration: none;
  white-space: nowrap;
  padding: 6px 9px;
  border-radius: 2px;
  -webkit-transition: color 0.2s, background 0.2s;
  transition: color 0.2s, background 0.2s;
}
.site-nav a:hover,
.site-nav a:focus { color: var(--gold); }
.site-nav a.active {
  color: var(--gold);
  background: rgba(160,120,48,0.08);
  font-weight: 600;
}

/* ── DARK MODE TOGGLE ── */
.dark-toggle {
  background: none;
  border: 1px solid var(--sand);
  border-radius: 50%;
  width: 32px;
  height: 32px;
  cursor: pointer;
  display: -webkit-flex;
  display: flex;
  -webkit-align-items: center;
  align-items: center;
  -webkit-justify-content: center;
  justify-content: center;
  font-size: 15px;
  color: var(--taupe);
  -webkit-transition: border-color 0.2s, color 0.2s;
  transition: border-color 0.2s, color 0.2s;
  -webkit-flex-shrink: 0;
  flex-shrink: 0;
  margin-left: 6px;
  -webkit-appearance: none;
  appearance: none;
  line-height: 1;
}
.dark-toggle:hover,
.dark-toggle:focus { border-color: var(--gold); color: var(--gold); outline: none; }

/* ── DARK MODE VARIABLE OVERRIDES ── */
html[data-theme="dark"] {
  --ivory:       #141210;
  --linen:       #1C1A17;
  --sand:        #2A2622;
  --tan:         #3D3730;
  --taupe:       #B8A896;
  --warm-brown:  #E8D8C4;
  --ink:         #F0EDE8;
  --gold:        #C8983C;
  --gold-pale:   #5A4A2C;
  --sage:        #3CB04F;
  --accent:      #C8983C;
}
html[data-theme="dark"] .topbar { border-bottom-color: var(--sand); }
html[data-theme="dark"] .site-nav a.active { background: rgba(200,152,60,0.12); }
html[data-theme="dark"] .checkout-overlay,
html[data-theme="dark"] .modal-overlay { background: rgba(0,0,0,0.7); }

/* ── NEWSLETTER SECTION ── */
.newsletter-section {
  background: var(--linen);
  border-top: 1px solid var(--tan);
  padding: 36px 24px;
  text-align: center;
}
.newsletter-title {
  font-family: 'Cormorant Garamond', serif;
  font-weight: 500;
  font-style: italic;
  font-size: 26px;
  color: var(--ink);
  margin-bottom: 6px;
}
.newsletter-sub {
  font-family: 'Jost', sans-serif;
  font-weight: 400;
  font-size: 14px;
  color: var(--taupe);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
  line-height: 1.5;
}
.newsletter-form {
  display: -webkit-flex;
  display: flex;
  max-width: 420px;
  margin: 0 auto;
}
.newsletter-input {
  -webkit-flex: 1;
  flex: 1;
  background: var(--ivory);
  border: 1px solid var(--sand);
  border-right: none;
  border-radius: 2px 0 0 2px;
  padding: 12px 14px;
  font-family: 'Jost', sans-serif;
  font-size: 15px;
  color: var(--ink);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  -webkit-transition: border-color 0.2s;
  transition: border-color 0.2s;
}
.newsletter-input:focus { border-color: var(--gold); }
.newsletter-input::-webkit-input-placeholder { color: var(--tan); }
.newsletter-input::placeholder { color: var(--tan); }
.newsletter-btn {
  font-family: 'Jost', sans-serif;
  font-weight: 500;
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ivory);
  background: var(--ink);
  border: none;
  padding: 12px 18px;
  border-radius: 0 2px 2px 0;
  cursor: pointer;
  white-space: nowrap;
  -webkit-appearance: none;
  appearance: none;
  -webkit-transition: background 0.2s;
  transition: background 0.2s;
}
.newsletter-btn:hover { background: var(--warm-brown); }
.newsletter-msg {
  font-family: 'Jost', sans-serif;
  font-size: 13px;
  margin-top: 10px;
  min-height: 18px;
  letter-spacing: 0.04em;
}

/* ── SHARED FOOTER ── */
.shared-footer {
  background: var(--ivory);
  padding: 12px 24px;
  display: -webkit-flex;
  display: flex;
  -webkit-justify-content: space-between;
  justify-content: space-between;
  -webkit-align-items: center;
  align-items: center;
  border-top: 1px solid var(--tan);
}
.shared-footer span {
  font-family: 'Jost', sans-serif;
  font-weight: 500;
  font-size: 11.2px;
  letter-spacing: 0.18em;
  color: var(--taupe);
  text-transform: uppercase;
}
.shared-footer a {
  color: var(--taupe);
  text-decoration: none;
}
.shared-footer a:hover { color: var(--gold); }

/* ── RESPONSIVE NAV ── */
@media screen and (max-width: 600px) {
  .site-nav a { font-size: 10px; padding: 5px 7px; letter-spacing: 0.14em; }
  .newsletter-form { flex-direction: column; }
  .newsletter-input { border-right: 1px solid var(--sand); border-radius: 2px; margin-bottom: 8px; }
  .newsletter-btn { border-radius: 2px; }
}
@media screen and (min-width: 700px) {
  .newsletter-section { padding: 40px 44px; }
  .shared-footer { padding: 12px 44px; }
}

/* ── FOCUS VISIBLE (A11y) ── */
:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}
button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
}

/* ── REDUCED MOTION ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}