/* =========================================
   NAV.CSS — Dayli Family Dental
   ========================================= */

/* Hours Banner */
.hours-banner {
  background: var(--color-primary-deeper);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.03em;
  padding: var(--space-2) var(--space-4);
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
  flex-wrap: wrap;
}

.hours-banner a {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 2px;
}

.hours-banner a:hover {
  color: var(--color-primary-highlight);
}

.hours-banner__item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.hours-banner__item svg {
  opacity: 0.8;
  flex-shrink: 0;
}

/* Site Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-md);
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: var(--space-6);
}

/* Logo */
.nav-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  text-decoration: none;
  flex-shrink: 0;
}

.nav-logo__icon {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
}

.nav-logo__text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.nav-logo__name {
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-text);
}

.nav-logo__tagline {
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary-dark);
}

/* Nav Links */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  list-style: none;
}

.nav-links a {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
}

.nav-links a:hover,
.nav-links a.active {
  color: var(--color-primary-deeper);
  background: var(--color-primary-light);
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}

.nav-dropdown__toggle {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  padding: 0.5rem 0.75rem;
  border-radius: var(--radius-md);
  background: none;
  border: none;
  cursor: pointer;
  transition: color var(--transition), background var(--transition);
  white-space: nowrap;
  font-family: var(--font-body);
}

.nav-dropdown__toggle:hover,
.nav-dropdown.open .nav-dropdown__toggle {
  color: var(--color-primary-deeper);
  background: var(--color-primary-light);
}

.nav-dropdown__chevron {
  transition: transform 250ms ease;
}

.nav-dropdown.open .nav-dropdown__chevron {
  transform: rotate(180deg);
}

.nav-dropdown__menu {
  position: absolute;
  top: calc(100% + 8px);
  left: 50%;
  transform: translateX(-50%);
  min-width: 220px;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: var(--space-2);
  display: none;
  z-index: 200;
}

.nav-dropdown.open .nav-dropdown__menu {
  display: block;
}

.nav-dropdown__menu a {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.6rem 1rem;
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: color var(--transition), background var(--transition);
}

.nav-dropdown__menu a:hover {
  color: var(--color-primary-deeper);
  background: var(--color-primary-light);
}

.nav-dropdown__menu a svg {
  flex-shrink: 0;
  color: var(--color-primary);
}

/* CTA Button in Nav */
.nav-cta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  flex-shrink: 0;
}

.nav-phone {
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-primary-deeper);
  text-decoration: none;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.nav-phone:hover { color: var(--color-accent); }

/* Mobile Toggle */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
  border-radius: var(--radius-sm);
}

.nav-toggle__bar {
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 300ms ease, opacity 200ms ease;
}

.nav-toggle.open .nav-toggle__bar:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav-toggle.open .nav-toggle__bar:nth-child(2) {
  opacity: 0;
}
.nav-toggle.open .nav-toggle__bar:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav */
.nav-mobile {
  display: none;
  flex-direction: column;
  background: var(--color-bg);
  border-top: 1px solid var(--color-divider);
  padding: var(--space-4) var(--space-6);
  gap: var(--space-1);
}

.nav-mobile.open {
  display: flex;
}

.nav-mobile a,
.nav-mobile button.nav-mobile__service-toggle {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem var(--space-4);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-text-muted);
  text-decoration: none;
  border-radius: var(--radius-md);
  transition: color var(--transition), background var(--transition);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  width: 100%;
  text-align: left;
}

.nav-mobile a:hover,
.nav-mobile a.active {
  color: var(--color-primary-deeper);
  background: var(--color-primary-light);
}

.nav-mobile__services {
  display: none;
  flex-direction: column;
  margin-left: var(--space-6);
  gap: var(--space-1);
}

.nav-mobile__services.open {
  display: flex;
}

.nav-mobile__services a {
  font-size: var(--text-xs);
  padding: 0.5rem var(--space-4);
}

.nav-mobile__cta {
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-divider);
  margin-top: var(--space-3);
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

/* Responsive */
@media (max-width: 900px) {
  .nav-links,
  .nav-cta .btn {
    display: none;
  }

  .nav-phone {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }
}