.gk-btn,
.btn-gk {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border: 0;
  border-radius: var(--gk-radius-sm);
  font-weight: 700;
  text-decoration: none;
  cursor: pointer;
  background: var(--gk-primary);
  color: #fff;
}
.gk-btn:hover,
.btn-gk:hover { filter: brightness(1.05); color: #fff; }
.gk-btn--secondary {
  background: transparent;
  color: var(--gk-primary);
  border: 1.5px solid var(--gk-primary);
}
.gk-btn--ghost {
  background: transparent;
  color: var(--gk-primary);
}
.gk-btn--danger { background: var(--gk-danger); }

.gk-card {
  background: var(--gk-surface);
  border: 1px solid var(--gk-border);
  border-radius: var(--gk-radius);
  box-shadow: var(--gk-shadow);
  overflow: hidden;
}

.gk-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 700;
  background: #eef2f7;
  color: var(--gk-primary);
}
.gk-chip--consult { background: #fff4d6; color: #7a4b00; }
.gk-chip--paid { background: #e6f6ee; color: var(--gk-success); }
.gk-chip--warn { background: #fde8e8; color: var(--gk-danger); }

.product-card {
  display: flex;
  flex-direction: column;
  background: var(--gk-surface);
  border: 3px solid var(--gk-dark);
  border-radius: var(--gk-radius);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  min-height: 280px;
  box-shadow: 6px 6px 0 var(--gk-dark);
}
.product-card__img {
  aspect-ratio: 4 / 3;
  background: var(--gk-dark);
}
.product-card__body { padding: 16px 18px 20px; }
.product-card h3 { margin: 0 0 6px; font-size: 1.15rem; }
.product-card p { margin: 0; color: var(--gk-muted); font-size: 0.95rem; }

.site-header {
  background: var(--gk-dark);
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 50;
  box-shadow: 0 2px 12px rgba(18,18,18,.18);
}
.site-header__inner {
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--gk-header-h);
}
.site-header__logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: #fff;
  font-weight: 800;
}
.site-header__logo img {
  height: 40px;
  width: auto;
  border-radius: 6px;
  background: #fff;
}
.site-header__logo-text {
  color: #fff;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.site-header__nav-label {
  font-size: 0.7rem;
  color: rgba(255, 255, 255, 0.45);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-right: 4px;
}
.site-header__divider {
  width: 1px;
  height: 16px;
  background: rgba(255, 255, 255, 0.2);
  margin: 0 4px;
}
.auth-user {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-left: 8px;
}
.auth-user__btn {
  font-size: 0.85rem;
  color: #fff;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  padding: 8px 14px;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}
.auth-user__btn:hover { background: rgba(255, 255, 255, 0.2); color: #fff; }
.mobile-menu-btn {
  display: none;
  background: transparent;
  border: none;
  padding: 8px;
  cursor: pointer;
  color: #fff;
  border-radius: 6px;
  min-width: 44px;
  min-height: 44px;
}
.mobile-menu {
  display: none;
  position: absolute;
  top: 100%;
  right: 16px;
  background: var(--gk-primary);
  border-radius: 8px;
  box-shadow: var(--gk-shadow);
  padding: 8px 0;
  min-width: 180px;
  z-index: 1000;
}
.mobile-menu.open { display: block; }
.mobile-menu__link {
  display: block;
  padding: 12px 20px;
  color: #fff;
  text-decoration: none;
  font-size: 0.95rem;
  min-height: 44px;
}
.site-header__nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.site-header__link {
  color: rgba(255,255,255,.85);
  text-decoration: none;
  padding: 10px 12px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
}
.site-header__link:hover,
.site-header__link.is-active { color: #fff; background: rgba(255,255,255,.12); }
.site-header__cta {
  background: #fff;
  color: var(--gk-primary) !important;
  font-weight: 800;
}
.site-header__toggle {
  display: none;
  background: transparent;
  border: 0;
  color: #fff;
  font-size: 1.4rem;
  min-width: 44px;
  min-height: 44px;
}

@media (max-width: 840px) {
  .site-header__toggle,
  .mobile-menu-btn { display: flex; align-items: center; justify-content: center; }
  .site-header__nav { display: none; }
  .site-header { position: sticky; }
}

.site-footer {
  margin-top: 48px;
  padding: 32px 20px;
  border-top: 1px solid var(--gk-border);
  color: var(--gk-muted);
  font-size: 0.9rem;
}
.site-footer__inner {
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
  gap: 16px 32px;
  justify-content: space-between;
}
.site-footer a { color: var(--gk-primary); }

.choice-card {
  border: 2px solid var(--gk-border);
  border-radius: var(--gk-radius);
  padding: 16px;
  cursor: pointer;
  background: #fff;
  text-align: left;
  width: 100%;
}
.choice-card.is-selected,
.choice-card:has(input:checked) {
  border-color: var(--gk-primary);
  box-shadow: 0 0 0 3px rgba(30,58,95,.15);
}

.sticky-cta {
  position: sticky;
  bottom: 0;
  background: #fff;
  border-top: 1px solid var(--gk-border);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  z-index: 20;
}

.form-control, .form-select, input[type="text"], input[type="email"], input[type="tel"], input[type="number"], textarea, select {
  min-height: 48px;
  border-radius: var(--gk-radius-sm);
}

.admin-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}
.admin-filters a, .admin-filters button {
  min-height: 40px;
}