/* ===== Navbar dropdowns ===== */
.nav-desktop { display: flex; align-items: center; gap: var(--spacing-lg); }
.nav-dropdown { position: relative; }

.nav-dropdown .nav-link::after {
  content: '';
  display: inline-block;
  width: 0.42rem; height: 0.42rem;
  margin-left: 0.4rem;
  border-right: 1.5px solid currentColor;
  border-bottom: 1.5px solid currentColor;
  transform: rotate(45deg) translateY(-1px);
  opacity: 0.55;
  transition: opacity 0.2s;
}
.nav-dropdown:hover .nav-link::after,
.nav-dropdown:focus-within .nav-link::after { opacity: 1; }

.dropdown-menu {
  position: absolute;
  top: 100%; left: 50%;
  transform: translateX(-50%) translateY(-8px);
  background: var(--surface);
  min-width: 230px;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  opacity: 0; visibility: hidden;
  transition: all 0.28s var(--ease);
  z-index: 1000;
  margin-top: 0.6rem;
  padding: 0.4rem;
  overflow: hidden;
}
.nav-dropdown:hover .dropdown-menu,
.nav-dropdown:focus-within .dropdown-menu { opacity: 1; visibility: visible; transform: translateX(-50%) translateY(0); }

.dropdown-item {
  display: block;
  padding: 0.7rem 0.9rem;
  color: var(--text);
  text-decoration: none;
  font-size: 0.9rem;
  border-radius: var(--radius-md);
  transition: background-color 0.2s, color 0.2s, padding-left 0.2s;
}
.dropdown-item:hover { background-color: var(--primary-050); color: var(--primary); padding-left: 1.15rem; }

.menu-toggle {
  display: none;
  background: none; border: none;
  font-size: 1.6rem; cursor: pointer;
  padding: 0.25rem 0.5rem; color: var(--text);
  line-height: 1;
}

@media (max-width: 900px) {
  .menu-toggle { display: flex; align-items: center; justify-content: center; min-width: 44px; min-height: 44px; }
  .header-cta { display: none; }
  .nav-desktop { display: none; }
  .nav-desktop.active {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 100%; left: 0; right: 0;
    background: var(--surface);
    border-top: 1px solid var(--border-light);
    box-shadow: var(--shadow-lg);
    gap: 0; padding: 0.5rem;
  }
  .nav-desktop.active .nav-link { padding: 0.9rem 0.75rem !important; width: 100%; border-radius: var(--radius-md); }
  .nav-desktop.active .nav-dropdown { width: 100%; }
  .dropdown-menu {
    position: static; transform: none; opacity: 1; visibility: visible;
    max-height: 0; overflow: hidden; box-shadow: none; border: none;
    margin: 0 0 0 0.75rem; padding: 0 0.4rem;
    border-left: 2px solid var(--primary-050);
    transition: max-height 0.3s var(--ease);
  }
  .nav-dropdown.active .dropdown-menu { max-height: 400px; }
}

/* ===== Before/After slider ===== */
.before-after-slider { padding: var(--spacing-3xl) var(--spacing-lg); }
.slider-content {
  max-width: 1240px; margin: 0 auto;
  display: grid; gap: var(--spacing-2xl);
  grid-template-columns: 1fr 1fr; align-items: center;
}
@media (max-width: 900px) { .slider-content { grid-template-columns: 1fr; } }

.slider-container {
  position: relative; overflow: hidden;
  border-radius: var(--radius-3xl);
  background-color: var(--primary-050);
  aspect-ratio: 1;
  cursor: ew-resize; user-select: none;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border-light);
}
.slider-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.slider-image.before { z-index: 1; }
.slider-image.after { z-index: 2; clip-path: inset(0 50% 0 0); }

.slider-tag {
  position: absolute; bottom: 1rem; z-index: 4;
  background: rgba(12, 47, 49, 0.72); color: #fff;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  padding: 0.35rem 0.7rem; border-radius: var(--radius-full); backdrop-filter: blur(4px);
}
.slider-tag.left { left: 1rem; }
.slider-tag.right { right: 1rem; }

.slider-handle {
  position: absolute; top: 0; left: 50%;
  width: 3px; height: 100%;
  background: #fff; z-index: 3; transform: translateX(-1.5px);
  cursor: ew-resize; box-shadow: 0 0 0 1px rgba(0,0,0,0.05);
}
.slider-handle::before {
  content: ''; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 3rem; height: 3rem; background: #fff; border-radius: 50%;
  box-shadow: var(--shadow-md);
}
.slider-handle::after {
  content: '⟷'; position: absolute; top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  font-size: 1.15rem; color: var(--primary); font-weight: 700;
}

.slider-text h2 { font-size: clamp(1.8rem, 3.4vw, 2.5rem); font-weight: 600; margin-bottom: var(--spacing-md); color: var(--text); line-height: var(--line-height-tight); }
.slider-text p { font-size: 1.02rem; color: var(--text-light); line-height: var(--line-height-relaxed); margin-bottom: var(--spacing-lg); }
.slider-button { display: inline-flex; }

/* ===== Gallery ===== */
.gallery { padding: var(--spacing-3xl) var(--spacing-lg); background-color: var(--bg-light); }
.gallery-content { max-width: 1240px; margin: 0 auto; }
.gallery-header { text-align: center; max-width: 44rem; margin: 0 auto var(--spacing-2xl); }
.gallery-header h2 { font-size: clamp(1.9rem, 3.4vw, 2.6rem); font-weight: 600; margin-bottom: var(--spacing-md); color: var(--text); line-height: var(--line-height-tight); }
.gallery-header p { color: var(--text-light); line-height: var(--line-height-relaxed); }

.gallery-grid { display: grid; gap: var(--spacing-lg); grid-template-columns: repeat(4, 1fr); }
@media (max-width: 1024px) { .gallery-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 560px) { .gallery-grid { grid-template-columns: 1fr; } }

.gallery-item {
  position: relative; overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--primary-050);
  aspect-ratio: 1; cursor: pointer;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-light);
  transition: box-shadow 0.3s var(--ease), transform 0.3s var(--ease);
}
.gallery-item:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.gallery-item-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.gallery-item-before { z-index: 1; }
.gallery-item-after { z-index: 2; clip-path: inset(0 50% 0 0); transition: clip-path 0.15s; }
.gallery-divider { position: absolute; top: 0; left: 50%; width: 2px; height: 100%; background: #fff; z-index: 3; transform: translateX(-1px); }
.gallery-toggle {
  position: absolute; bottom: 0.7rem; right: 0.7rem; z-index: 4;
  padding: 0.28rem 0.6rem; background: rgba(12,47,49,0.72); color: #fff;
  border-radius: var(--radius-full); font-size: 0.68rem; font-weight: 600;
  letter-spacing: 0.06em; text-transform: uppercase; backdrop-filter: blur(4px);
}

/* ===== FAQ ===== */
.faq { padding: var(--spacing-3xl) var(--spacing-lg); }
.faq-content { max-width: 820px; margin: 0 auto; }
.faq-list { margin-top: var(--spacing-xl); }
.faq-item {
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  background: var(--surface);
  overflow: hidden;
  transition: box-shadow 0.3s var(--ease), border-color 0.3s;
}
.faq-item.active { box-shadow: var(--shadow-md); border-color: var(--border-strong); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between; gap: var(--spacing-md);
  cursor: pointer; padding: var(--spacing-lg);
  user-select: none;
}
.faq-question h3 { font-family: var(--font-base); font-size: 1.02rem; font-weight: 600; color: var(--text); margin: 0; }
.faq-toggle {
  flex-shrink: 0; width: 1.7rem; height: 1.7rem; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--primary-050); color: var(--primary);
  font-size: 1.1rem; line-height: 1; transition: transform 0.3s var(--ease), background 0.3s;
}
.faq-item.active .faq-toggle { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s var(--ease); color: var(--text-light); line-height: var(--line-height-relaxed); }
.faq-item.active .faq-answer { max-height: 400px; }
.faq-answer-inner { padding: 0 var(--spacing-lg) var(--spacing-lg); }

/* ===== Procedure page (dynamic) ===== */
.procedure-page { animation: fadeInUp 0.5s var(--ease); }
.procedure-hero {
  color: #fff;
  padding: clamp(3rem, 7vw, 5rem) var(--spacing-lg);
  background:
    radial-gradient(800px 400px at 85% 0%, rgba(199,154,63,0.2), transparent 60%),
    linear-gradient(155deg, var(--primary-700), var(--bg-deep));
}
.procedure-hero .back-button {
  display: inline-flex; align-items: center; gap: 0.4rem;
  color: rgba(255,255,255,0.75); text-decoration: none; font-weight: 500;
  margin-bottom: var(--spacing-lg);
}
.procedure-hero .back-button:hover { color: #fff; }
.procedure-hero h1 { font-size: clamp(2.1rem, 4.5vw, 3.2rem); font-weight: 600; margin-bottom: var(--spacing-md); }
.procedure-hero p { font-size: 1.15rem; color: rgba(255,255,255,0.88); max-width: 40rem; }

.proc-section { padding: var(--spacing-3xl) var(--spacing-lg); }
.proc-section.alt { background: var(--bg-light); }
.proc-grid { max-width: 1100px; margin: 0 auto; display: grid; gap: var(--spacing-2xl); grid-template-columns: 1fr 1fr; align-items: start; }
@media (max-width: 900px) { .proc-grid { grid-template-columns: 1fr; } }
.proc-art { border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-lg); aspect-ratio: 3/2; background: var(--primary-050); }
.proc-art svg { width: 100%; height: 100%; display: block; }
.proc-lead { font-family: var(--font-display); font-size: 1.4rem; font-weight: 500; line-height: 1.4; color: var(--text); margin-bottom: var(--spacing-lg); }
.proc-benefits { list-style: none; padding: 0; display: flex; flex-direction: column; gap: 0.6rem; }
.proc-benefits li { display: flex; align-items: flex-start; gap: 0.6rem; color: var(--text-light); }
.proc-benefits li svg { width: 1.2rem; height: 1.2rem; color: var(--accent-green); flex-shrink: 0; margin-top: 0.15rem; }
.proc-meta { margin-top: var(--spacing-xl); padding: var(--spacing-lg); background: var(--primary-050); border-radius: var(--radius-lg); display: grid; gap: 0.5rem; }
.proc-meta p { margin: 0; color: var(--text); font-size: 0.94rem; }
.proc-meta strong { color: var(--primary); }
.proc-steps { max-width: 1100px; margin: 0 auto; display: grid; gap: var(--spacing-lg); grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.proc-step { padding: var(--spacing-lg); background: var(--surface); border: 1px solid var(--border-light); border-radius: var(--radius-lg); box-shadow: var(--shadow-sm); }
.proc-step .step-num { width: 2.6rem; height: 2.6rem; background: linear-gradient(140deg, var(--primary), var(--primary-700)); color: #fff; border-radius: 50%; display: grid; place-items: center; font-family: var(--font-display); font-weight: 600; margin-bottom: var(--spacing-md); }
.proc-step h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 0.35rem; color: var(--text); }
.proc-step p { margin: 0; color: var(--text-light); font-size: 0.9rem; }
.proc-cta { max-width: 1100px; margin: 0 auto; text-align: center; }
.proc-cta h2 { font-size: clamp(1.7rem, 3.2vw, 2.3rem); font-weight: 600; margin-bottom: var(--spacing-md); }
.proc-cta p { color: var(--text-light); margin-bottom: var(--spacing-xl); font-size: 1.05rem; }
.proc-cta .hero-buttons { justify-content: center; }