/* ============================================
   서울비디치과 Main Styles v1.0
   ============================================ */

/* ■ Header */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: var(--z-fixed);
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: var(--glass-blur);
  -webkit-backdrop-filter: var(--glass-blur);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all var(--transition-base);
}

.header.scrolled {
  background: rgba(0, 0, 0, 0.98);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  max-width: var(--container-xl);
  margin: 0 auto;
  padding: var(--space-3) var(--space-4);
}

@media (min-width: 768px) {
  .header-container {
    padding: var(--space-4) var(--space-6);
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-white);
  flex-shrink: 0;
}

.logo-icon {
  font-size: 1.5rem;
}

@media (min-width: 768px) {
  .logo-icon {
    font-size: 1.75rem;
  }
}

.logo-text {
  font-size: var(--text-base);
  font-weight: var(--font-bold);
}

@media (min-width: 768px) {
  .logo-text {
    font-size: var(--text-xl);
  }
}

/* GNB */
.gnb {
  display: none;
  flex: 1;
  justify-content: center;
}

@media (min-width: 768px) {
  .gnb {
    display: flex;
  }
}

.gnb-menu {
  display: flex;
  gap: var(--space-1);
  list-style: none;
  align-items: center;
}

.gnb-item > a {
  display: block;
  padding: var(--space-2) var(--space-3);
  text-decoration: none;
  color: rgba(255, 255, 255, 0.8);
  font-weight: var(--font-medium);
  font-size: var(--text-sm);
  border-radius: var(--radius-lg);
  transition: all var(--transition-fast);
  white-space: nowrap;
}

@media (min-width: 1024px) {
  .gnb-item > a {
    padding: var(--space-3) var(--space-4);
    font-size: var(--text-base);
  }
}

.gnb-item > a:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.1);
}

/* Submenu */
.gnb-item.has-submenu {
  position: relative;
}

.submenu {
  position: absolute;
  top: 100%;
  left: 0;
  display: none;
  min-width: 500px;
  padding: var(--space-5);
  background: rgba(15, 15, 15, 0.98);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6);
  z-index: var(--z-dropdown);
}

@media (min-width: 1024px) {
  .submenu {
    left: 50%;
    transform: translateX(-50%);
    min-width: 600px;
    padding: var(--space-6);
  }
}

.gnb-item.has-submenu:hover .submenu {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 1024px) {
  .gnb-item.has-submenu:hover .submenu {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }
}

.submenu-section h4 {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.submenu-section ul {
  list-style: none;
}

.submenu-section li a {
  display: block;
  padding: var(--space-2) 0;
  text-decoration: none;
  color: rgba(255, 255, 255, 0.7);
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.submenu-section li a:hover {
  color: var(--color-white);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-shrink: 0;
}

.mobile-menu-btn {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: var(--space-2);
  background: none;
  border: none;
  cursor: pointer;
}

.mobile-menu-btn span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

/* ■ Hero Section */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 80px;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: -1;
}

.hero-gradient {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1512 30%, #12100e 60%, #0a0a0a 100%);
}

.hero-gradient::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(ellipse at 30% 40%, rgba(139, 90, 43, 0.08) 0%, transparent 50%),
              radial-gradient(ellipse at 70% 60%, rgba(201, 169, 98, 0.05) 0%, transparent 40%);
  pointer-events: none;
}

.hero-content {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .hero-content {
    grid-template-columns: 1.2fr 1fr;
  }
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-4);
  background: rgba(139, 90, 43, 0.15);
  backdrop-filter: var(--glass-blur);
  border: 1px solid rgba(201, 169, 98, 0.3);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-white);
  margin-bottom: var(--space-6);
}

.badge-icon {
  color: #fbbf24;
}

.hero-text h1 {
  margin-bottom: var(--space-6);
  line-height: 1.2;
}

.text-gradient {
  background: linear-gradient(135deg, #C9A962 0%, #D4B896 25%, #8B5A2B 50%, #C9A962 75%, #D4B896 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-gradient-animated {
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {
  0%, 100% {
    background-position: 0% center;
  }
  50% {
    background-position: 100% center;
  }
}

.hero-desc {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-8);
}

.hero-desc strong {
  color: #C9A962;
  font-weight: 600;
}

.hero-cta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* Hero Cards */
.hero-visual {
  display: none;
}

@media (min-width: 1024px) {
  .hero-visual {
    display: block;
  }
}

.hero-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.hero-card {
  padding: var(--space-6);
  text-align: center;
}

.hero-card:first-child {
  grid-column: span 2;
}

.hero-card-icon {
  width: 50px;
  height: 50px;
  margin: 0 auto var(--space-3);
  background: linear-gradient(135deg, #C9A962 0%, #8B5A2B 100%);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.25rem;
  box-shadow: 0 4px 15px rgba(139, 90, 43, 0.4);
}

.hero-card-num {
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  background: linear-gradient(135deg, #C9A962 0%, #D4B896 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  line-height: 1;
}

.hero-card-label {
  font-size: var(--text-sm);
  color: rgba(201, 169, 98, 0.8);
  margin-top: var(--space-1);
  font-weight: 500;
}

/* Hero Scroll Indicator */
.hero-scroll {
  position: absolute;
  bottom: var(--space-8);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
  color: rgba(201, 169, 98, 0.6);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
}

.scroll-indicator {
  width: 24px;
  height: 40px;
  border: 2px solid rgba(201, 169, 98, 0.4);
  border-radius: var(--radius-full);
  position: relative;
}

.scroll-indicator::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: rgba(255, 255, 255, 0.5);
  border-radius: var(--radius-full);
  animation: scrollBounce 1.5s ease infinite;
}

@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); opacity: 1; }
  50% { transform: translateX(-50%) translateY(12px); opacity: 0.3; }
}

/* ■ Treatments Section */
.treatments-section {
  background: linear-gradient(180deg, #0a0a0a 0%, #0f0f0f 100%);
}

.treatments-grid {
  max-width: 900px;
  margin: 0 auto;
}

.treatment-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: var(--space-8);
  text-decoration: none;
  color: var(--color-white);
  overflow: hidden;
  background: linear-gradient(135deg, rgba(30, 30, 30, 0.9) 0%, rgba(20, 20, 20, 0.95) 100%);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.treatment-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  opacity: 0;
  transition: opacity var(--transition-base);
}

.treatment-glownate::before {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(200, 200, 200, 0.05) 100%);
}

.treatment-invisalign::before {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(200, 200, 200, 0.05) 100%);
}

.treatment-implant::before {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.05) 0%, rgba(200, 200, 200, 0.05) 100%);
}

.treatment-card:hover::before {
  opacity: 1;
}

.treatment-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-1) var(--space-3);
  background: var(--color-white);
  color: #000000;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  letter-spacing: 0.1em;
}

.treatment-icon {
  width: 60px;
  height: 60px;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #000000;
  margin-bottom: var(--space-4);
  box-shadow: 0 4px 20px rgba(255, 255, 255, 0.1);
}

.treatment-title {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-1);
}

.treatment-subtitle {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-3);
}

.treatment-desc {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.7);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
  flex-grow: 1;
}

.treatment-features {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.feature-tag {
  padding: var(--space-1) var(--space-3);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.8);
}

.treatment-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  color: var(--color-white);
}

.treatment-link i {
  transition: transform var(--transition-fast);
}

.treatment-card:hover .treatment-link i {
  transform: translateX(4px);
}

/* ■ Difference Section */
.difference-grid {
  max-width: 1000px;
  margin: 0 auto;
}

.difference-card {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.diff-icon {
  flex-shrink: 0;
  width: 50px;
  height: 50px;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000000;
  font-size: 1.25rem;
}

.diff-content h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-2);
  color: var(--color-white);
}

.diff-content p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--leading-relaxed);
}

/* ■ BDX Section */
.bdx-section {
  background: linear-gradient(135deg, #1a1a1a 0%, #0f0f0f 100%);
  color: var(--color-white);
  overflow: hidden;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.bdx-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .bdx-wrapper {
    grid-template-columns: 1fr 1fr;
  }
}

.bdx-badge {
  margin-bottom: var(--space-4);
}

.bdx-headline {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  margin: var(--space-4) 0;
  line-height: var(--leading-tight);
}

.bdx-desc {
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: var(--space-8);
}

.bdx-process {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-8);
}

.process-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-1);
}

.process-num {
  font-size: var(--text-xs);
  color: var(--color-white);
  font-weight: var(--font-bold);
}

.process-text {
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
}

.process-arrow {
  color: rgba(255, 255, 255, 0.4);
}

/* BDX Visual Card */
.bdx-visual {
  display: none;
}

@media (min-width: 1024px) {
  .bdx-visual {
    display: block;
  }
}

.bdx-card {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--color-white);
  padding: 0;
  overflow: hidden;
}

.bdx-card-header {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-6);
  background: rgba(255, 255, 255, 0.1);
  font-weight: var(--font-medium);
}

.bdx-card-body {
  padding: var(--space-6);
}

.bdx-result-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-3) 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.bdx-result-item:last-child {
  border-bottom: none;
}

.result-status.complete {
  color: var(--color-success);
}

/* ■ Floor Section */
.floor-grid {
  max-width: 1000px;
  margin: 0 auto;
}

.floor-card {
  text-decoration: none;
  color: var(--color-white);
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 150px;
}

.floor-card-wide {
  flex-direction: row;
  justify-content: space-between;
  text-align: left;
  padding: var(--space-6) var(--space-8);
}

.floor-num {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.floor-card h3 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

.floor-card p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
}

.floor-card-wide .floor-num {
  font-size: var(--text-4xl);
  margin-bottom: 0;
  margin-right: var(--space-6);
}

.floor-main {
  flex-grow: 1;
}

.floor-link {
  font-size: var(--text-sm);
  color: var(--color-white);
  font-weight: var(--font-medium);
}

/* ■ Cases Section */
.cases-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.case-card {
  padding: var(--space-6);
  text-decoration: none;
  color: var(--color-white);
}

.case-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.case-category {
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  color: var(--color-white);
}

.case-doctor {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
}

.case-preview {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}

.case-before, .case-after {
  flex: 1;
  text-align: center;
}

.case-label {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  margin-bottom: var(--space-2);
}

.case-placeholder {
  aspect-ratio: 1;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.3);
}

.case-arrow {
  color: rgba(255, 255, 255, 0.3);
}

.case-summary {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
}

.case-legal {
  font-size: var(--text-xs);
  color: var(--color-gray-400);
  font-style: italic;
}

.cases-cta {
  text-align: center;
}

/* ■ Doctors Section */
.doctor-main {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  padding: var(--space-8);
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .doctor-main {
    grid-template-columns: 1fr 2fr;
  }
}

.doctor-image {
  aspect-ratio: 3/4;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-2xl);
  display: flex;
  align-items: center;
  justify-content: center;
}

.doctor-placeholder {
  font-size: 4rem;
  color: rgba(255, 255, 255, 0.3);
}

.doctor-role {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-white);
  color: #000000;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-2);
}

.doctor-name {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  margin-bottom: var(--space-2);
  color: var(--color-white);
}

.doctor-specialty {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-4);
}

.doctor-credentials {
  list-style: none;
  margin-bottom: var(--space-4);
}

.doctor-credentials li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
}

.doctor-credentials i {
  color: var(--color-white);
  width: 20px;
}

.doctor-philosophy {
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border-left: 4px solid var(--color-white);
  border-radius: var(--radius-md);
  font-style: italic;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-6);
}

.doctors-grid {
  display: flex;
  justify-content: center;
  margin-bottom: var(--space-6);
}

.doctor-card {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--space-6) var(--space-8);
  text-decoration: none;
  color: var(--color-white);
}

.doctor-avatar {
  width: 80px;
  height: 80px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: var(--space-3);
}

.doctor-name-sm {
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-1);
}

.doctor-desc-sm {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
}

.doctors-cta {
  text-align: center;
}

/* ■ CTA Section */
.cta-section {
  background: linear-gradient(135deg, #0f0f0f 0%, #1a1a1a 100%);
}

.cta-wrapper {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--space-12);
  text-align: center;
  background: rgba(30, 30, 30, 0.8);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.cta-content h2 {
  margin-bottom: var(--space-4);
  color: var(--color-white);
}

.cta-content > p {
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-8);
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.cta-tel {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.6);
}

.cta-tel a {
  color: var(--color-white);
  font-weight: var(--font-semibold);
  text-decoration: none;
}

/* ■ Footer */
.footer {
  background: #0a0a0a;
  color: rgba(255, 255, 255, 0.7);
  padding: var(--space-16) 0 var(--space-8);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 1fr 2fr;
  }
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.footer-slogan {
  color: rgba(255, 255, 255, 0.5);
  font-size: var(--text-sm);
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.footer-col h4 {
  color: var(--color-white);
  font-size: var(--text-sm);
  font-weight: var(--font-semibold);
  margin-bottom: var(--space-4);
}

.footer-col ul {
  list-style: none;
}

.footer-col li {
  margin-bottom: var(--space-2);
}

.footer-col a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  font-size: var(--text-sm);
  transition: color var(--transition-fast);
}

.footer-col a:hover {
  color: var(--color-white);
}

.footer-info {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  padding: var(--space-6) 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  margin-bottom: var(--space-6);
}

.footer-contact p {
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.footer-contact i {
  width: 16px;
  color: rgba(255, 255, 255, 0.5);
}

.footer-social {
  display: flex;
  gap: var(--space-3);
}

.footer-social a {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  transition: all var(--transition-fast);
}

.footer-social a:hover {
  background: var(--color-white);
  color: #000000;
}

.footer-legal {
  text-align: center;
}

.legal-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.legal-links a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
  font-size: var(--text-sm);
}

.legal-links span {
  color: rgba(255, 255, 255, 0.3);
}

.footer-legal .legal-notice {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  font-style: italic;
  max-width: 800px;
  margin: 0 auto var(--space-4);
  line-height: var(--leading-relaxed);
}

.copyright {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
}

/* ■ Mobile Navigation */
.mobile-nav {
  position: fixed;
  top: 0;
  right: -300px;
  width: 300px;
  height: 100vh;
  background: #0f0f0f;
  z-index: var(--z-modal);
  transition: right var(--transition-slow), visibility 0s linear 0.3s;
  display: flex;
  flex-direction: column;
  visibility: hidden;
  opacity: 0;
}

.mobile-nav.active {
  right: 0;
  visibility: visible;
  opacity: 1;
  transition: right var(--transition-slow), visibility 0s linear 0s;
}

.mobile-nav-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.6);
  cursor: pointer;
}

.mobile-nav-menu {
  flex: 1;
  list-style: none;
  padding: var(--space-4);
  overflow-y: auto;
}

.mobile-nav-menu li {
  margin-bottom: var(--space-1);
}

.mobile-nav-menu a {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4);
  text-decoration: none;
  color: rgba(255, 255, 255, 0.8);
  font-weight: var(--font-medium);
  border-radius: var(--radius-lg);
  transition: background var(--transition-fast);
}

.mobile-nav-menu a:hover {
  background: rgba(255, 255, 255, 0.1);
}

.mobile-nav-menu a.highlight {
  background: var(--color-white);
  color: #000000;
}

.mobile-nav-menu a.highlight-pricing {
  background: linear-gradient(135deg, rgba(240, 147, 251, 0.2), rgba(245, 87, 108, 0.2));
  border: 1px solid rgba(240, 147, 251, 0.3);
  color: #D4B896;
  border-radius: 8px;
}

.mobile-nav-footer {
  padding: var(--space-4) var(--space-6);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav-quick-btns {
  display: flex;
  gap: 10px;
  margin-top: 15px;
}

.mobile-nav-quick-btns .btn {
  flex: 1;
  padding: 12px;
  font-size: 0.85rem;
}

.mobile-nav-footer .btn {
  width: 100%;
}

.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  z-index: calc(var(--z-modal) - 1);
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-base);
}

.mobile-nav-overlay.active {
  opacity: 1;
  visibility: visible;
}

/* Mobile Submenu */
.mobile-nav-item.has-submenu > a {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mobile-nav-item .toggle-icon {
  transition: transform var(--transition-fast);
}

.mobile-nav-item.expanded .toggle-icon {
  transform: rotate(180deg);
}

.mobile-nav-submenu {
  display: none;
  list-style: none;
  padding-left: var(--space-8);
  margin-top: var(--space-2);
}

.mobile-nav-item.expanded .mobile-nav-submenu {
  display: block;
}

.mobile-nav-submenu li a {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
}

.mobile-nav-submenu li a:hover {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.05);
}

.mobile-nav-submenu .submenu-divider {
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-top: var(--space-2);
}

/* ■ Utility Classes for Pages */
.page-header {
  padding: calc(80px + var(--space-16)) 0 var(--space-12);
  background: linear-gradient(135deg, #0a0a0a 0%, #111111 100%);
  text-align: center;
}

.page-header h1 {
  margin-bottom: var(--space-4);
  color: var(--color-white);
}

.page-header p {
  font-size: var(--text-lg);
  color: rgba(255, 255, 255, 0.6);
}

.breadcrumb {
  display: flex;
  justify-content: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.4);
  margin-top: var(--space-4);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.5);
  text-decoration: none;
}

.breadcrumb a:hover {
  color: var(--color-white);
}

/* ============================================
   ■ Marketing Sections - 마케팅 섹션 스타일
   ============================================ */

/* ■ Trust Section - 신뢰 지표 */
.trust-section {
  background: linear-gradient(180deg, #0a0a0a 0%, #0f0f0f 100%);
}

.trust-banner {
  text-align: center;
  padding: var(--space-8) 0;
}

.trust-label {
  display: inline-block;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: var(--space-3);
  padding: var(--space-2) var(--space-4);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-full);
}

.trust-title {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  line-height: var(--leading-tight);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .trust-title {
    font-size: var(--text-4xl);
  }
}

.trust-stats {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

@media (min-width: 768px) {
  .trust-stats {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
  }
}

.stat-item {
  padding: var(--space-6);
  text-align: center;
}

.stat-icon {
  display: block;
  font-size: 1.5rem;
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.stat-number {
  display: block;
  font-size: var(--text-4xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-label {
  display: block;
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
}

/* ■ Concerns Section - 환자 고민 해결 */
.concerns-section {
  background: #0a0a0a;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.concern-question {
  font-size: var(--text-2xl);
  font-weight: var(--font-bold);
  color: rgba(255, 255, 255, 0.9);
  text-align: center;
  margin-bottom: var(--space-8);
}

@media (min-width: 768px) {
  .concern-question {
    font-size: var(--text-3xl);
  }
}

.concerns-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .concerns-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .concerns-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.concern-card {
  padding: var(--space-6);
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.concern-icon {
  font-size: 2rem;
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: var(--space-4);
}

.concern-text {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--leading-relaxed);
}

.solution-banner {
  display: flex;
  align-items: flex-start;
  gap: var(--space-6);
  padding: var(--space-8);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-2xl);
}

.solution-icon {
  flex-shrink: 0;
  font-size: 2.5rem;
  color: #22c55e;
}

.solution-content h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.solution-content p {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.7);
  line-height: var(--leading-relaxed);
}

.solution-content strong {
  color: var(--color-white);
}

/* ■ Value Section - 핵심 가치 제안 */
.value-section {
  background: linear-gradient(180deg, #0f0f0f 0%, #0a0a0a 100%);
}

.value-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .value-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.value-card {
  position: relative;
  padding: var(--space-8);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: all var(--transition-base);
}

.value-card:hover {
  transform: translateY(-4px);
  border-color: rgba(255, 255, 255, 0.2);
}

.value-card.feature {
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
  border-color: rgba(255, 255, 255, 0.15);
}

.value-badge {
  position: absolute;
  top: var(--space-4);
  right: var(--space-4);
  padding: var(--space-1) var(--space-3);
  background: var(--color-white);
  color: #000;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  letter-spacing: 0.05em;
}

.value-number {
  font-size: var(--text-sm);
  font-weight: var(--font-bold);
  color: rgba(255, 255, 255, 0.3);
  margin-bottom: var(--space-4);
}

.value-icon {
  width: 60px;
  height: 60px;
  background: var(--color-white);
  border-radius: var(--radius-xl);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #000;
  margin-bottom: var(--space-4);
}

.value-title {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.value-subtitle {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-4);
}

.value-desc {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.7);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.value-desc strong {
  color: var(--color-white);
}

.value-highlight {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.value-highlight span {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.value-highlight i {
  color: #22c55e;
}

/* ■ Testimonial Section - 환자 후기 */
.testimonial-section {
  background: #0a0a0a;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.testimonial-carousel {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .testimonial-carousel {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.testimonial-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}

.testimonial-rating {
  color: #fbbf24;
  font-size: var(--text-sm);
}

.testimonial-source {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.testimonial-source i {
  color: #22c55e;
}

.testimonial-quote {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--leading-relaxed);
  margin-bottom: var(--space-4);
}

.testimonial-quote strong {
  color: var(--color-white);
}

.testimonial-author {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-4);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.author-info {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.5);
}

.treatment-type {
  font-size: var(--text-xs);
  padding: var(--space-1) var(--space-3);
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-full);
  color: rgba(255, 255, 255, 0.7);
}

.testimonial-disclaimer {
  text-align: center;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  font-style: italic;
  margin-top: var(--space-8);
}

/* ■ Showcase Section - Before & After */
.showcase-section {
  background: linear-gradient(180deg, #0f0f0f 0%, #0a0a0a 100%);
}

.showcase-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-bottom: var(--space-6);
}

@media (min-width: 768px) {
  .showcase-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.showcase-item {
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.showcase-badge {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  background: var(--color-white);
  color: #000;
  font-size: var(--text-xs);
  font-weight: var(--font-bold);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.showcase-comparison {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-bottom: var(--space-4);
}

.showcase-before,
.showcase-after {
  flex: 1;
  text-align: center;
}

.showcase-label {
  display: block;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.showcase-visual {
  padding: var(--space-6);
  background: rgba(255, 255, 255, 0.05);
  border-radius: var(--radius-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-2);
}

.showcase-visual i {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.3);
}

.showcase-visual span {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
}

.showcase-visual.highlight {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.showcase-visual.highlight i {
  color: var(--color-white);
}

.showcase-visual.highlight span {
  color: rgba(255, 255, 255, 0.8);
}

.showcase-arrow {
  color: rgba(255, 255, 255, 0.3);
  font-size: 1.5rem;
}

.showcase-details {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: var(--space-4);
}

.showcase-desc {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-2);
}

.showcase-doctor {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.showcase-disclaimer {
  text-align: center;
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.4);
  font-style: italic;
  margin-bottom: var(--space-6);
}

.showcase-cta {
  text-align: center;
}

/* ■ Facility Section - 시설 강조 */
.facility-section {
  background: #0a0a0a;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.facility-wrapper {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-12);
  align-items: center;
}

@media (min-width: 1024px) {
  .facility-wrapper {
    grid-template-columns: 1fr 1fr;
  }
}

.facility-badge {
  margin-bottom: var(--space-4);
}

.facility-headline {
  font-size: var(--text-3xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin: var(--space-4) 0;
  line-height: var(--leading-tight);
}

.facility-desc {
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: var(--space-8);
}

.facility-highlights {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}

.facility-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.8);
}

.facility-item i {
  width: 36px;
  height: 36px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
}

.facility-visual {
  display: none;
}

@media (min-width: 1024px) {
  .facility-visual {
    display: block;
  }
}

.facility-building {
  padding: var(--space-4);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.building-floor {
  display: flex;
  align-items: center;
  padding: var(--space-4) var(--space-6);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--radius-lg);
  margin-bottom: var(--space-2);
  transition: all var(--transition-fast);
}

.building-floor:hover {
  background: rgba(255, 255, 255, 0.08);
}

.building-floor:last-child {
  margin-bottom: 0;
}

.building-floor.highlight {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.floor-level {
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--color-white);
  width: 50px;
}

.floor-name {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.8);
}

/* ■ Urgency Section - 긴급성 & 보장 */
.urgency-section {
  background: linear-gradient(180deg, #0f0f0f 0%, #0a0a0a 100%);
}

.urgency-banner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-6);
  padding: var(--space-8);
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.03) 100%);
  border: 1px solid rgba(255, 255, 255, 0.15);
  margin-bottom: var(--space-12);
}

@media (min-width: 768px) {
  .urgency-banner {
    flex-direction: row;
    text-align: left;
    padding: var(--space-10);
  }
}

.urgency-icon {
  font-size: 3rem;
  color: var(--color-white);
  flex-shrink: 0;
}

.urgency-content {
  flex: 1;
}

.urgency-content h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--color-white);
  margin-bottom: var(--space-2);
}

.urgency-offer {
  font-size: var(--text-base);
  color: rgba(255, 255, 255, 0.8);
  line-height: var(--leading-relaxed);
}

.urgency-price {
  display: block;
  margin-top: var(--space-2);
}

.urgency-price del {
  color: rgba(255, 255, 255, 0.4);
  margin-right: var(--space-2);
}

.urgency-price strong {
  font-size: var(--text-2xl);
  color: #22c55e;
}

.urgency-note {
  font-size: var(--text-xs);
  color: rgba(255, 255, 255, 0.5);
  margin-top: var(--space-2);
}

.guarantee-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .guarantee-cards {
    grid-template-columns: repeat(3, 1fr);
  }
}

.guarantee-card {
  padding: var(--space-6);
  text-align: center;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.guarantee-card i {
  font-size: 2rem;
  color: var(--color-white);
  margin-bottom: var(--space-4);
}

.guarantee-card h4 {
  font-size: var(--text-lg);
  font-weight: var(--font-semibold);
  color: var(--color-white);
  margin-bottom: var(--space-3);
}

.guarantee-card p {
  font-size: var(--text-sm);
  color: rgba(255, 255, 255, 0.6);
  line-height: var(--leading-relaxed);
}

/* ■ Animation Delays */
.delay-1 {
  animation-delay: 0.1s;
}

.delay-2 {
  animation-delay: 0.2s;
}

.delay-3 {
  animation-delay: 0.3s;
}

/* ■ Background Utilities */
.bg-dark {
  background: #0a0a0a;
}

.bg-white {
  background: #0f0f0f;
}