* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: #333;
  background-color: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.header {
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border-bottom: 3px solid #0066cc;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo h1 {
  font-size: 28px;
  color: #0066cc;
  font-weight: bold;
}

.logo .tagline {
  font-size: 12px;
  color: #666;
  margin-top: 2px;
}

.nav ul {
  display: flex;
  list-style: none;
  gap: 30px;
}

.nav a {
  text-decoration: none;
  color: #333;
  font-weight: 500;
  transition: color 0.3s ease;
}

.nav a:hover {
  color: #0066cc;
}

.cta-button {
  background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
  color: white;
  border: none;
  padding: 10px 25px;
  border-radius: 25px;
  cursor: pointer;
  font-weight: bold;
  font-size: 14px;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(0, 102, 204, 0.3);
}

/* Hero Section */
.hero {
  padding: 80px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #e8f4f8 100%);
}

.hero-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 60px;
  align-items: center;
}

.hero-text h2 {
  font-size: 48px;
  line-height: 1.3;
  margin-bottom: 30px;
  color: #333;
}

.hero-text .highlight {
  color: #e63a6a;
  font-weight: bold;
}

.hero-message {
  margin-bottom: 0;
}

.main-message {
  font-size: 22px;
  color: #0066cc;
  margin-bottom: 20px;
  font-weight: 600;
  line-height: 1.5;
}

.sub-message {
  font-size: 15px;
  color: #555;
  line-height: 1.8;
  margin-bottom: 20px;
}

.hero-image-large {
  text-align: center;
  width: 100%;
}

.hero-image-large svg {
  width: 100%;
  height: auto;
  max-width: 500px;
}

/* Before After Section */
.before-after-section {
  padding: 60px 0;
  background: white;
}

.before-after-section h3 {
  font-size: 28px;
  text-align: center;
  margin-bottom: 50px;
  color: #333;
}

.before-after-comparison {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 40px;
  flex-wrap: wrap;
}

.comparison-item {
  text-align: center;
  flex: 1;
  min-width: 200px;
}

.comparison-label {
  font-size: 18px;
  font-weight: bold;
  color: #0066cc;
  margin-bottom: 15px;
  display: block;
}

.comparison-item svg {
  width: 100%;
  max-width: 250px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.comparison-arrow {
  font-size: 40px;
  color: #0066cc;
  font-weight: bold;
}

/* Value Proposition */
.value-proposition {
  padding: 60px 0;
  background: linear-gradient(135deg, #f0f8ff 0%, #e8f4f8 100%);
}

.value-content {
  text-align: center;
}

.value-text h3 {
  font-size: 28px;
  color: #333;
  margin-bottom: 40px;
}

.value-formula {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 15px;
  flex-wrap: wrap;
  margin-bottom: 40px;
  font-size: 18px;
  font-weight: bold;
}

.value-item {
  background: white;
  padding: 12px 25px;
  border-radius: 10px;
  color: #0066cc;
  box-shadow: 0 3px 10px rgba(0,0,0,0.1);
}

.plus,
.equals {
  color: #0066cc;
  font-size: 24px;
}

.value-result {
  background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
  color: white;
  padding: 12px 25px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 102, 204, 0.3);
}

.value-checklist {
  display: inline-block;
  text-align: left;
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  max-width: 600px;
}

.value-checklist label {
  display: block;
  margin: 15px 0;
  font-size: 16px;
  cursor: pointer;
  color: #333;
  display: flex;
  align-items: center;
}

.value-checklist input[type="checkbox"] {
  margin-right: 12px;
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: #0066cc;
}

/* Treatments Section */
.treatments-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #f8f9fa 0%, #ffffff 100%);
}

.treatments-section h2 {
  font-size: 36px;
  text-align: center;
  margin-bottom: 60px;
  color: #333;
}

.treatments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.treatment-card {
  background: white;
  border-radius: 15px;
  padding: 25px;
  text-align: center;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  border-top: 5px solid #0066cc;
}

.treatment-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(0,0,0,0.15);
}

.treatment-header {
  margin-bottom: 20px;
}

.treatment-icon {
  font-size: 48px;
  display: block;
  margin-bottom: 10px;
}

.treatment-card h3 {
  font-size: 19px;
  color: #333;
  margin-bottom: 8px;
  line-height: 1.4;
}

.treatment-subtitle {
  color: #666;
  font-size: 13px;
  margin-bottom: 20px;
  display: block;
}

.treatment-image {
  width: 100%;
  height: 140px;
  background: #f5f5f5;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
}

.treatment-image svg {
  width: 100%;
  height: 100%;
}

.treatment-methods {
  text-align: left;
  margin-bottom: 20px;
}

.treatment-methods h4 {
  font-size: 14px;
  color: #0066cc;
  font-weight: bold;
  margin-bottom: 10px;
}

.treatment-methods ul {
  list-style: none;
  font-size: 13px;
}

.treatment-methods li {
  padding: 6px 0;
  color: #555;
  padding-left: 18px;
  position: relative;
}

.treatment-methods li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #0066cc;
  font-weight: bold;
}

.treatment-price-section {
  background: #f9f9f9;
  padding: 15px;
  border-radius: 10px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 5px;
}

.price-label {
  font-size: 12px;
  color: #999;
  text-transform: uppercase;
}

.price-value {
  font-size: 22px;
  font-weight: bold;
  color: #e63a6a;
}

/* Whitening Section */
.whitening-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #f5e8f4 0%, #ffffff 100%);
}

.whitening-section h2 {
  font-size: 36px;
  text-align: center;
  margin-bottom: 15px;
  color: #333;
}

.section-desc {
  text-align: center;
  font-size: 16px;
  color: #666;
  margin-bottom: 60px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

.whitening-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.method-card {
  background: white;
  border-radius: 15px;
  overflow: hidden;
  box-shadow: 0 5px 20px rgba(0,0,0,0.1);
  transition: transform 0.3s ease;
}

.method-card:hover {
  transform: translateY(-5px);
}

.method-header {
  background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
  color: white;
  padding: 20px;
  text-align: center;
}

.method-header h3 {
  font-size: 20px;
  margin: 0;
  line-height: 1.4;
}

.method-image {
  width: 100%;
  height: 200px;
  background: #f0f0f0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.method-image svg {
  width: 100%;
  height: 100%;
}

.method-details {
  padding: 25px;
}

.method-details h4 {
  color: #0066cc;
  margin-bottom: 12px;
  font-size: 16px;
  font-weight: bold;
}

.method-details ul {
  list-style: none;
  margin-bottom: 20px;
}

.method-details li {
  padding: 6px 0;
  font-size: 14px;
  color: #555;
  padding-left: 20px;
  position: relative;
}

.method-details li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #0066cc;
  font-weight: bold;
}

.method-card .price {
  background: #f9f9f9;
  padding: 15px;
  border-radius: 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.price-label {
  font-size: 12px;
  color: #999;
  text-transform: uppercase;
}

.price-value {
  font-size: 22px;
  font-weight: bold;
  color: #e63a6a;
}

.price-note {
  font-size: 11px;
  color: #999;
}

/* Other Treatments */
.other-treatments {
  padding: 80px 0;
  background: linear-gradient(135deg, #ffe8f4 0%, #f8f9fa 100%);
}

.other-treatments h2 {
  font-size: 36px;
  text-align: center;
  margin-bottom: 60px;
  color: #333;
}

.other-treatments-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.other-card {
  background: white;
  padding: 30px;
  border-radius: 15px;
  box-shadow: 0 5px 20px rgba(0,0,0,0.08);
  border-left: 5px solid #e63a6a;
  transition: transform 0.3s ease;
}

.other-card:hover {
  transform: translateY(-3px);
}

.other-card h3 {
  color: #333;
  font-size: 18px;
  margin-bottom: 12px;
  line-height: 1.4;
}

.other-card p {
  color: #666;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
}

.other-card .price {
  font-size: 20px;
  font-weight: bold;
  color: #e63a6a;
}

/* Case Study Section */
.cases-section {
  padding: 80px 0;
  background: white;
}

.cases-section h2 {
  font-size: 36px;
  text-align: center;
  margin-bottom: 60px;
  color: #333;
}

.case-study h3 {
  font-size: 24px;
  color: #333;
  margin-bottom: 40px;
  text-align: center;
}

.case-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}

.case-images {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
}

.case-image-item {
  text-align: center;
}

.case-label {
  font-size: 16px;
  font-weight: bold;
  color: #0066cc;
  margin-bottom: 12px;
  display: block;
}

.case-image-item svg {
  width: 100%;
  max-width: 200px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.1);
}

.arrow {
  font-size: 32px;
  color: #0066cc;
  font-weight: bold;
}

.case-table {
  width: 100%;
  margin-bottom: 30px;
  border-collapse: collapse;
}

.case-table tr {
  border-bottom: 1px solid #eee;
}

.case-table td {
  padding: 12px;
}

.case-label-col {
  font-weight: bold;
  color: #333;
  background: #f9f9f9;
  width: 40%;
}

.case-note h4 {
  color: #0066cc;
  margin-bottom: 12px;
  font-size: 16px;
  font-weight: bold;
}

.case-note ul {
  list-style: none;
}

.case-note li {
  padding: 8px 0;
  color: #555;
  font-size: 14px;
  padding-left: 20px;
  position: relative;
}

.case-note li:before {
  content: "✓";
  position: absolute;
  left: 0;
  color: #0066cc;
  font-weight: bold;
}

/* CTA Section */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
  text-align: center;
  color: white;
}

.cta-section h2 {
  font-size: 36px;
  margin-bottom: 20px;
}

.cta-section p {
  font-size: 18px;
  margin-bottom: 30px;
  opacity: 0.95;
}

.cta-button-large {
  background: white;
  color: #0066cc;
  border: none;
  padding: 15px 40px;
  font-size: 18px;
  font-weight: bold;
  border-radius: 30px;
  cursor: pointer;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cta-button-large:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.2);
}

/* Footer */
.footer {
  background: #333;
  color: white;
  padding: 60px 0 20px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.contact-section,
.hours-section,
.clinic-section {
  /* Grid item styling */
}

.footer h3 {
  font-size: 18px;
  margin-bottom: 20px;
  color: #0066cc;
  font-weight: bold;
}

.footer p {
  font-size: 14px;
  line-height: 1.8;
  color: #ccc;
}

.phone-large {
  background: linear-gradient(135deg, #0066cc 0%, #0052a3 100%);
  padding: 25px;
  border-radius: 15px;
  text-align: center;
}

.phone-label {
  font-size: 12px;
  color: #99ccff;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.phone-number {
  font-size: 32px;
  font-weight: bold;
  color: white;
  margin-bottom: 10px;
}

.phone-number a {
  color: white;
  text-decoration: none;
}

.phone-hours {
  font-size: 14px;
  color: #99ccff;
  margin-bottom: 8px;
}

.phone-note {
  font-size: 12px;
  color: #99ccff;
}

.hours-table {
  width: 100%;
  font-size: 13px;
  border-collapse: collapse;
  margin-bottom: 15px;
}

.hours-table th,
.hours-table td {
  border: 1px solid #555;
  padding: 10px;
  text-align: center;
}

.hours-table th {
  background: #0066cc;
  color: white;
  font-weight: bold;
}

.hours-table td {
  color: #ccc;
}

.hours-table .time-label {
  background: #444;
  font-weight: bold;
}

.hours-note {
  font-size: 12px;
  color: #999;
  line-height: 1.6;
}

.clinic-info {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.address,
.access,
.parking {
  font-size: 13px;
  color: #ccc;
  line-height: 1.6;
}

.access strong {
  color: #0066cc;
}

.footer-bottom {
  border-top: 1px solid #555;
  padding-top: 20px;
  text-align: center;
  font-size: 12px;
  color: #999;
}

/* Responsive */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    gap: 20px;
  }

  .nav ul {
    gap: 15px;
    font-size: 14px;
  }

  .hero-container {
    grid-template-columns: 1fr;
  }

  .hero-text h2 {
    font-size: 32px;
  }

  .value-formula {
    gap: 10px;
  }

  .case-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .case-images {
    flex-direction: column;
  }

  .treatments-grid,
  .whitening-methods,
  .other-treatments-grid {
    grid-template-columns: 1fr;
  }

  .before-after-comparison {
    gap: 20px;
  }

  .comparison-arrow {
    transform: rotate(90deg);
  }
}