/* ============================================================
   KURO CLINIC — NAV + FOOTER v2
   ============================================================ */

/* ── NAV ─────────────────────────────────────────────────────── */
.k-nav {
  position: sticky;
  top: 0;
  z-index: 200;
  background: var(--nav-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 0.5px solid var(--nav-border);
}
.k-nav-inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  height: var(--nav-h);
  padding: 0 var(--inset);
  gap: 16px;
}

/* Left — links */
.k-nav-left {
  display: flex;
  align-items: center;
  gap: 28px;
}

/* Center — logo */
.k-logo {
  justify-self: center;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 15px;
  letter-spacing: 0.22em;
  color: var(--text-dark-primary);
  text-transform: uppercase;
  white-space: nowrap;
}
.k-logo em { color: var(--accent); font-style: normal; }

/* Right — social + book */
.k-nav-right {
  display: flex;
  align-items: center;
  gap: 16px;
  justify-self: end;
}

.k-nav-link {
  font-size: 10px;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--nav-link);
  transition: color var(--t-fast);
  white-space: nowrap;
}
.k-nav-link:hover,
.k-nav-link[aria-current="page"] { color: var(--nav-link-hover); }

/* Dropdown */
.k-dropdown { position: relative; }
.k-dropdown-toggle { display: flex; align-items: center; gap: 5px; cursor: pointer; }
.k-caret {
  font-size: 7px;
  color: var(--text-dark-muted);
  transition: transform var(--t-fast);
  display: inline-block;
  line-height: 1;
}
.k-dropdown:hover .k-caret,
.k-dropdown:focus-within .k-caret { transform: rotate(180deg); }

.k-dropdown-menu {
  display: none;
  position: absolute;
  top: calc(100% + 14px);
  left: -20px;
  background: var(--p-dark);
  border: 0.5px solid var(--accent-muted);
  padding: 8px 0;
  min-width: 190px;
  z-index: 300;
}
.k-dropdown:hover .k-dropdown-menu,
.k-dropdown:focus-within .k-dropdown-menu { display: block; }
.k-dropdown-menu li a {
  display: block;
  padding: 10px 22px;
  font-size: 10px;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-dark-secondary);
  transition: background var(--t-fast), color var(--t-fast);
  white-space: nowrap;
}
.k-dropdown-menu li a:hover {
  background: rgba(196,168,130,0.08);
  color: var(--text-dark-primary);
}

/* Nav social (small) */
.k-nav-social { display: flex; align-items: center; gap: 8px; }
.k-nav-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  min-width: 28px;
  border: 0.5px solid rgba(139,110,82,0.35);
  color: var(--text-dark-muted);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.k-nav-social a:hover { color: var(--accent); border-color: var(--accent-muted); }
.k-nav-social svg { width: 11px; height: 11px; fill: currentColor; }

/* Book button */
.k-nav-book {
  font-size: 10px;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-dark-primary);
  padding-bottom: 3px;
  border-bottom: 0.5px solid var(--accent-muted);
  white-space: nowrap;
  transition: border-color var(--t-base);
}
.k-nav-book:hover { border-color: var(--text-dark-primary); }

/* Mobile hamburger */
.k-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.k-hamburger span {
  display: block;
  width: 22px;
  height: 0.5px;
  background: var(--text-dark-muted);
  transition: transform var(--t-base), opacity var(--t-base);
}

/* Mobile nav drawer */
.k-mobile-nav {
  display: none;
  flex-direction: column;
  gap: 0;
  background: var(--p-dark);
  border-top: 0.5px solid var(--border-dark);
  padding: 0;
}
.k-mobile-nav.open { display: flex; }
.k-mobile-nav a {
  display: block;
  padding: 16px var(--inset);
  font-size: 10px;
  letter-spacing: var(--ls-wide);
  text-transform: uppercase;
  color: var(--text-dark-secondary);
  border-bottom: 0.5px solid var(--border-dark);
  transition: color var(--t-fast);
}
.k-mobile-nav a:hover { color: var(--text-dark-primary); }
.k-mobile-nav .mobile-book {
  color: var(--accent);
  border-bottom: none;
}

/* ── FOOTER ──────────────────────────────────────────────────── */
.k-footer { border-top: 0.5px solid var(--border-dark); }

.k-footer-cols {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  padding: 56px var(--inset) 48px;
  border-bottom: 0.5px solid var(--border-dark);
  gap: 0;
}
.k-fc { padding-right: 36px; }
.k-fc:last-child { padding-right: 0; }

.k-fc-brand {
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 900;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--text-dark-primary);
  margin-bottom: 10px;
}
.k-fc-brand em { color: var(--accent); font-style: normal; }

.k-fc-tagline {
  font-family: var(--font-editorial);
  font-style: italic;
  font-size: 12.5px;
  color: var(--text-dark-muted);
  line-height: 1.7;
  margin-bottom: 18px;
  max-width: 200px;
}
.k-fc-address {
  font-size: 11px;
  color: var(--text-dark-muted);
  opacity: 0.7;
  line-height: 1.9;
  margin-bottom: 20px;
}
.k-fc-social { display: flex; gap: 8px; }
.k-fc-social a {
  display: flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; min-width: 32px;
  border: 0.5px solid var(--border-dark);
  color: var(--text-dark-muted);
  transition: color var(--t-fast), border-color var(--t-fast);
}
.k-fc-social a:hover { color: var(--accent); border-color: var(--accent-muted); }
.k-fc-social svg { width: 12px; height: 12px; fill: currentColor; }

.k-fc-label {
  font-size: 9px;
  letter-spacing: 0.36em;
  text-transform: uppercase;
  color: var(--text-dark-muted);
  margin-bottom: 18px;
  display: block;
}
.k-fc-links { display: flex; flex-direction: column; gap: 10px; }
.k-fc-links a {
  font-size: 12px;
  color: var(--text-dark-secondary);
  letter-spacing: 0.04em;
  transition: color var(--t-fast);
}
.k-fc-links a:hover { color: var(--text-dark-primary); }

/* Wordmark */
.k-footer-wordmark {
  overflow: hidden;
  text-align: center;
  line-height: 0.78;
  border-bottom: 0.5px solid var(--border-dark);
  padding: 0 4px;
}
.k-big-word {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(72px, 17vw, 168px);
  color: var(--footer-word);
  letter-spacing: -0.04em;
  text-transform: uppercase;
  display: block;
  user-select: none;
}

.k-footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px var(--inset);
}
.k-footer-copy { font-size: 10px; color: var(--footer-meta); letter-spacing: 0.08em; }
.k-footer-credit {
  font-size: 10px;
  color: var(--text-dark-muted);
  opacity: 0.35;
  letter-spacing: 0.08em;
}
.k-footer-credit a {
  color: inherit;
  border-bottom: 0.5px solid transparent;
  transition: border-color var(--t-fast);
}
.k-footer-credit a:hover { border-color: var(--text-dark-muted); }

/* ── NAV RESPONSIVE ─────────────────────────────────────────── */
@media (max-width: 900px) {
  .k-nav-left { gap: 20px; }
  .k-nav-social { display: none; }
}
@media (max-width: 768px) {
  .k-nav-left { display: none; }
  .k-nav-right .k-nav-book { display: none; }
  .k-hamburger { display: flex; }
  .k-nav-inner { grid-template-columns: auto 1fr auto; }
  .k-logo { justify-self: center; font-size: 13px; }
  .k-footer-cols { grid-template-columns: 1fr 1fr; gap: 40px 24px; }
}
@media (max-width: 480px) {
  .k-footer-cols { grid-template-columns: 1fr; }
  .k-footer-bottom { flex-direction: column; gap: 6px; text-align: center; }
}