/* ==========================================
   DR. UTKALIKA BISWAL MOHATA - PORTFOLIO DESIGN SYSTEM
   Premium Medical Editorial Aesthetic
   ========================================== */

/* 1. CSS Custom Properties / Design Tokens */
:root {
  /* Colors */
  --primary: #00535b;
  --primary-container: #006d77;
  --on-primary: #ffffff;
  --on-primary-container: #9becf7;
  
  --secondary: #4f5f79;
  --secondary-container: #d0e0ff;
  --on-secondary: #ffffff;
  
  --tertiary: #01544f;
  --on-tertiary: #ffffff;
  
  --background: #f8f9ff;
  --surface: #ffffff;
  --surface-low: #eff4ff;
  --surface-container: #e7eefc;
  --surface-high: #e2e8f7;
  
  --on-surface: #151c26;
  --on-surface-variant: #3e494a;
  
  --outline: #6f797a;
  --outline-variant: #bec8ca;
  --outline-light: rgba(111, 121, 122, 0.15);
  
  /* Typography */
  --font-heading: 'Playfair Display', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  
  /* Spacing */
  --container-max: 1120px;
  --section-gap: 80px;
  --gutter: 24px;
  --margin-mobile: 20px;
  
  /* Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
  --radius-pill: 9999px;
  
  /* Transitions & Shadows */
  --transition-fast: 0.12s cubic-bezier(0.16, 1, 0.3, 1);
  --transition-smooth: 0.22s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-subtle: 0 4px 20px rgba(21, 28, 38, 0.05);
  --shadow-hover: 0 10px 30px rgba(0, 83, 91, 0.08);
}

/* 2. Reset & Base Styles */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  background-color: var(--background);
  color: var(--on-surface);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
}

button {
  font-family: inherit;
  border: none;
  background: none;
  cursor: pointer;
}

/* Accessibility Focus States */
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--margin-mobile);
  padding-right: var(--margin-mobile);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--gutter);
    padding-right: var(--gutter);
  }
}

/* 3. Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  z-index: 1000;
  background-color: rgba(248, 249, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--outline-light);
  transition: background-color var(--transition-fast), box-shadow var(--transition-fast);
}

.site-header.is-scrolled {
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
}

.header-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: -0.01em;
}

.brand-title {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--on-surface-variant);
}

/* Desktop Navigation */
.desktop-nav {
  display: none;
  align-items: center;
  gap: 32px;
}

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

.nav-link {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--on-surface-variant);
  padding: 8px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--primary);
}

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

/* Mobile Menu Toggle */
.mobile-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-sm);
  gap: 5px;
  z-index: 1002;
}

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

.hamburger-line {
  width: 22px;
  height: 2px;
  background-color: var(--on-surface);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.mobile-toggle.is-active .line-1 {
  transform: translateY(7px) rotate(45deg);
}

.mobile-toggle.is-active .line-2 {
  opacity: 0;
}

.mobile-toggle.is-active .line-3 {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Navigation Panel */
.mobile-nav-panel {
  position: fixed;
  top: 0;
  right: -100%;
  width: 85%;
  max-width: 380px;
  height: 100vh;
  background-color: var(--surface);
  z-index: 1001;
  padding: 100px 32px 40px;
  display: flex;
  flex-direction: column;
  box-shadow: -10px 0 30px rgba(0, 0, 0, 0.1);
  transition: right var(--transition-smooth);
}

.mobile-nav-panel.is-open {
  right: 0;
}

.mobile-nav-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(21, 28, 38, 0.4);
  backdrop-filter: blur(4px);
  z-index: 1000;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-fast);
}

.mobile-nav-overlay.is-open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav-links {
  display: flex;
  flex-direction: column;
  gap: 24px;
  list-style: none;
}

.mobile-nav-link {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--on-surface);
  transition: color var(--transition-fast);
}

.mobile-nav-link:hover,
.mobile-nav-link.active {
  color: var(--primary);
}

/* 4. Section Common Styling */
.section {
  padding-top: var(--section-gap);
  padding-bottom: var(--section-gap);
  position: relative;
  scroll-margin-top: 80px;
}

.section-tag {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--primary);
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--on-surface);
  line-height: 1.25;
  margin-bottom: 16px;
}

@media (min-width: 768px) {
  .section-title {
    font-size: 2.5rem;
  }
}

.section-description {
  font-size: 1.125rem;
  color: var(--on-surface-variant);
  max-width: 680px;
  line-height: 1.65;
}

/* 5. Hero Section */
.hero-section {
  padding-top: calc(80px + 60px);
  padding-bottom: var(--section-gap);
  background-color: var(--background);
  min-height: 80vh;
  display: flex;
  align-items: center;
  scroll-margin-top: 80px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 992px) {
  .hero-grid {
    grid-template-columns: 1.15fr 0.85fr;
    gap: 56px;
  }
}

.hero-label {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--primary);
  margin-bottom: 12px;
  display: inline-block;
}

.hero-name {
  font-family: var(--font-heading);
  font-size: 2.75rem;
  font-weight: 700;
  color: var(--on-surface);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

@media (min-width: 768px) {
  .hero-name {
    font-size: 3.5rem;
  }
}

@media (min-width: 1200px) {
  .hero-name {
    font-size: 4rem;
  }
}

.hero-qualification {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 24px;
}

.hero-stats-banner {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  padding: 16px 20px;
  background-color: var(--surface);
  border-left: 3px solid var(--primary);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-subtle);
  margin-bottom: 24px;
}

.hero-stat-item {
  display: flex;
  flex-direction: column;
}

.hero-stat-value {
  font-family: var(--font-heading);
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  line-height: 1;
}

.hero-stat-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--on-surface-variant);
  margin-top: 4px;
}

.hero-stat-divider {
  width: 1px;
  background-color: var(--outline-variant);
}

.hero-copy {
  font-size: 1.0625rem;
  color: var(--on-surface);
  line-height: 1.75;
  max-width: 620px;
}

.hero-image-wrapper {
  position: relative;
  width: 100%;
  max-width: 480px;
  margin: 0 auto;
}

.hero-image-backdrop {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--surface-container), var(--secondary-container));
  border-radius: var(--radius-md);
  transform: translate(12px, 12px);
  z-index: 1;
}

.hero-image {
  position: relative;
  z-index: 2;
  width: 100%;
  height: 520px;
  object-fit: cover;
  object-position: top center;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--outline-light);
}

@media (min-width: 768px) {
  .hero-image {
    height: 580px;
  }
}

/* 6. About Section */
.about-section {
  background-color: var(--surface-low);
  border-top: 1px solid var(--outline-light);
  border-bottom: 1px solid var(--outline-light);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}

@media (min-width: 860px) {
  .about-grid {
    grid-template-columns: 0.85fr 1.15fr;
    gap: 56px;
  }
}

.about-image-frame {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
  border: 1px solid var(--outline-variant);
  height: 440px;
}

.about-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center center;
}

.about-content-text {
  display: flex;
  flex-direction: column;
  gap: 16px;
  font-size: 1.0625rem;
  color: var(--on-surface-variant);
  line-height: 1.75;
}

.about-highlight-card {
  margin-top: 24px;
  padding: 20px;
  background-color: var(--surface);
  border-radius: var(--radius-sm);
  border: 1px solid var(--outline-variant);
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.about-icon {
  width: 36px;
  height: 36px;
  color: var(--primary);
  flex-shrink: 0;
}

/* 7. Specialisation Section */
.specialisation-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
  margin-top: 48px;
}

@media (min-width: 576px) {
  .specialisation-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .specialisation-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.spec-card {
  background-color: var(--surface);
  padding: 32px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--outline-variant);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
  display: flex;
  flex-direction: column;
}

.spec-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary);
}

.spec-icon-wrapper {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-sm);
  background-color: var(--surface-low);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  margin-bottom: 20px;
}

.spec-icon-wrapper svg {
  width: 26px;
  height: 26px;
  stroke: var(--primary);
  stroke-width: 1.75;
  fill: none;
}

.spec-card-title {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: 12px;
}

.spec-card-desc {
  font-size: 0.9375rem;
  color: var(--on-surface-variant);
  line-height: 1.6;
}

/* 8. Experience & Statistics Section */
.experience-section {
  background-color: var(--primary);
  color: var(--on-primary);
  padding-top: 64px;
  padding-bottom: 64px;
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  text-align: center;
}

@media (min-width: 860px) {
  .experience-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }
}

.stat-box {
  padding: 24px 16px;
  border-radius: var(--radius-sm);
  background-color: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.stat-number {
  font-family: var(--font-heading);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--on-primary);
  line-height: 1.1;
  margin-bottom: 8px;
}

@media (min-width: 768px) {
  .stat-number {
    font-size: 3.25rem;
  }
}

.stat-label {
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--on-primary-container);
}

/* 9. Professional Affiliations Section */
.affiliations-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gutter);
  margin-top: 48px;
}

@media (min-width: 640px) {
  .affiliations-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .affiliations-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.affiliation-card {
  background-color: var(--surface);
  padding: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--outline-variant);
  border-left: 4px solid var(--primary);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
}

.affiliation-card.secondary-border {
  border-left-color: var(--secondary);
}

.affiliation-hospital {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: 8px;
}

.affiliation-role {
  font-size: 1rem;
  font-weight: 500;
  color: var(--primary);
  margin-bottom: 16px;
}

.affiliation-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  margin-bottom: 8px;
}

.affiliation-meta svg {
  width: 18px;
  height: 18px;
  stroke: var(--outline);
  fill: none;
}

.affiliation-hours {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 6px;
  padding-top: 10px;
  border-top: 1px dashed var(--outline-variant);
}

.affiliation-hours svg {
  width: 18px;
  height: 18px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 2;
}

.hours-info-box {
  margin-top: 32px;
  padding: 20px 24px;
  background-color: var(--surface-container);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}

.hours-label {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 600;
  font-size: 0.9375rem;
  color: var(--on-surface);
}

.hours-value {
  font-weight: 700;
  color: var(--primary);
  font-size: 1rem;
  letter-spacing: 0.02em;
}

/* Practice Contact Cards Banner */
.contact-banner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  margin-top: 32px;
}

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

.contact-banner-card {
  background-color: var(--surface);
  padding: 20px 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-subtle);
  display: flex;
  align-items: center;
  gap: 16px;
  transition: transform var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.contact-banner-card:hover {
  transform: translateY(-3px);
  border-color: var(--primary);
  box-shadow: var(--shadow-hover);
}

.contact-card-icon {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-sm);
  background-color: var(--surface-low);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-card-icon svg {
  width: 22px;
  height: 22px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 2;
}

.contact-card-title {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--on-surface-variant);
  margin-bottom: 2px;
}

.contact-card-value {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--primary);
  transition: color var(--transition-fast);
  word-break: break-word;
}

.contact-card-value:hover {
  color: var(--primary-container);
  text-decoration: underline;
}

/* Footer Contact Link Styles */
.footer-contact-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

@media (min-width: 768px) {
  .footer-contact-group {
    align-items: flex-end;
  }
}

.footer-contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  transition: color var(--transition-fast);
}

.footer-contact-link:hover {
  color: var(--primary);
}

.footer-contact-link svg {
  width: 16px;
  height: 16px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 2;
}

/* Education & Clinical Career Timeline */
.education-section {
  background-color: var(--surface-low);
  border-top: 1px solid var(--outline-light);
  border-bottom: 1px solid var(--outline-light);
}

.timeline-dual-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  margin-top: 48px;
}

@media (min-width: 860px) {
  .timeline-dual-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 48px;
  }
}

.timeline-column-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 24px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--primary);
}

.timeline-column-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--on-surface);
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
  position: relative;
}

.timeline-item {
  background-color: var(--surface);
  padding: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--outline-variant);
  border-left: 3px solid var(--primary);
  box-shadow: var(--shadow-subtle);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.timeline-item:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.timeline-date {
  font-size: 0.8125rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
  margin-bottom: 6px;
  display: inline-block;
  padding: 2px 8px;
  background-color: var(--surface-low);
  border-radius: var(--radius-sm);
}

.timeline-degree {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  color: var(--on-surface);
  margin-bottom: 4px;
}

.timeline-institution {
  font-size: 0.9375rem;
  color: var(--on-surface-variant);
  font-weight: 500;
}

/* Professional Memberships Grid */
.memberships-block {
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--outline-variant);
}

.memberships-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: 24px;
}

.memberships-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 576px) {
  .memberships-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.membership-card {
  background-color: var(--surface);
  padding: 24px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  gap: 8px;
  transition: border-color var(--transition-fast), transform var(--transition-fast);
}

.membership-card:hover {
  border-color: var(--primary);
  transform: translateY(-3px);
}

.membership-abbr {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--primary);
}

.membership-name {
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  line-height: 1.5;
  font-weight: 500;
}

/* 10. Gallery Section */
.gallery-section {
  background-color: var(--surface-container);
  border-top: 1px solid var(--outline-light);
}

.gallery-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 40px;
}

@media (min-width: 640px) {
  .gallery-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 992px) {
  .gallery-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.gallery-card {
  position: relative;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background-color: var(--surface);
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-subtle);
  height: 320px;
  cursor: pointer;
}

.gallery-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transition: transform var(--transition-smooth);
}

.gallery-card:hover .gallery-img {
  transform: scale(1.05);
}

.gallery-card-content {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(21, 28, 38, 0.9) 0%, rgba(21, 28, 38, 0.2) 60%, transparent 100%);
  padding: 24px 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: var(--on-primary);
  pointer-events: none;
}

.gallery-card-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 4px;
  color: #ffffff;
}

.gallery-card-sub {
  font-size: 0.84rem;
  opacity: 0.9;
  color: rgba(255, 255, 255, 0.85);
  line-height: 1.4;
}

/* 11. Patient Reviews Section */
.reviews-section {
  background-color: var(--surface-low);
  border-top: 1px solid var(--outline-light);
  border-bottom: 1px solid var(--outline-light);
}

.reviews-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-top: 40px;
}

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

.testimonial-card {
  background-color: var(--surface);
  padding: 32px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 20px;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}

.testimonial-stars {
  display: flex;
  gap: 4px;
  color: #f59e0b;
  font-size: 1.1rem;
}

.testimonial-text {
  font-size: 1rem;
  color: var(--on-surface-variant);
  line-height: 1.7;
  font-style: italic;
}

.testimonial-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 16px;
  border-top: 1px solid var(--outline-variant);
  font-size: 0.85rem;
}

.testimonial-tag {
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--primary);
}

.testimonial-loc {
  color: var(--on-surface-variant);
  font-weight: 500;
}

.reviews-cta-banner {
  margin-top: 48px;
  padding: 32px;
  background: linear-gradient(135deg, var(--primary), var(--primary-container));
  color: #ffffff;
  border-radius: var(--radius-md);
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .reviews-cta-banner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 36px 48px;
  }
}

.reviews-cta-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 6px;
  color: #ffffff;
}

.reviews-cta-sub {
  font-size: 0.9375rem;
  opacity: 0.9;
  line-height: 1.6;
  max-width: 560px;
}

.btn-reviews-cta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: #ffffff;
  color: var(--primary);
  font-weight: 700;
  font-size: 0.9375rem;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.btn-reviews-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn-reviews-cta svg {
  width: 18px;
  height: 18px;
  fill: #f59e0b;
}

/* 12. Closing Section */
.closing-section {
  text-align: center;
  padding-top: 100px;
  padding-bottom: 100px;
  background-color: var(--background);
}

.closing-heading {
  font-family: var(--font-heading);
  font-size: 2.25rem;
  font-weight: 700;
  color: var(--on-surface);
  max-width: 720px;
  margin: 0 auto 24px;
  line-height: 1.25;
}

@media (min-width: 768px) {
  .closing-heading {
    font-size: 2.75rem;
  }
}

.closing-author {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: 0.02em;
}

.closing-qual {
  font-size: 0.9375rem;
  color: var(--on-surface-variant);
  margin-top: 4px;
}

/* 12. Footer */
.site-footer {
  background-color: var(--surface-low);
  border-top: 1px solid var(--outline-variant);
  padding-top: 48px;
  padding-bottom: 48px;
  font-size: 0.875rem;
  color: var(--on-surface-variant);
}

.footer-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 16px;
}

@media (min-width: 768px) {
  .footer-inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer-brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.125rem;
  color: var(--primary);
}

.footer-copy {
  font-size: 0.8125rem;
}

/* Scroll Reveal Animations */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s cubic-bezier(0.16, 1, 0.3, 1), transform 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Motion Accessibility */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .reveal-on-scroll {
    opacity: 1;
    transform: none;
    transition: none;
  }
  .site-header, .gallery-img, .spec-card, .mobile-nav-panel {
    transition: none;
  }
}

/* 13. Clickable Image Lightbox & Back to Top Button */
.clickable-lightbox {
  cursor: zoom-in;
  transition: transform var(--transition-fast), filter var(--transition-fast);
}

.clickable-lightbox:hover {
  filter: brightness(1.03);
}

/* Back to Top Floating Button */
.back-to-top-btn {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 48px;
  height: 48px;
  border-radius: var(--radius-pill);
  background-color: var(--primary);
  color: var(--on-primary);
  box-shadow: 0 6px 24px rgba(0, 83, 91, 0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  opacity: 0;
  visibility: hidden;
  transform: translateY(12px);
  transition: opacity var(--transition-fast), transform var(--transition-fast), visibility var(--transition-fast), background-color var(--transition-fast);
}

.back-to-top-btn.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.back-to-top-btn:hover {
  background-color: var(--primary-container);
  transform: translateY(-3px);
}

.back-to-top-btn svg {
  width: 22px;
  height: 22px;
}

/* Fullscreen Lightbox Modal */
.lightbox-modal {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.lightbox-modal.is-active {
  opacity: 1;
  pointer-events: auto;
}

.lightbox-content-img {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.lightbox-close-btn {
  position: absolute;
  top: 24px;
  right: 28px;
  font-size: 2.5rem;
  color: #ffffff;
  line-height: 1;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.lightbox-close-btn:hover {
  opacity: 1;
}

/* Patient Feedback & Review Section Styles */
.feedback-cta-block {
  margin-top: 48px;
  padding: 36px 32px;
  background: linear-gradient(135deg, var(--surface), var(--surface-container));
  border-radius: var(--radius-md);
  border: 1px solid var(--outline-variant);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  gap: 20px;
  align-items: flex-start;
}

@media (min-width: 768px) {
  .feedback-cta-block {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    padding: 40px 48px;
  }
}

.feedback-cta-content {
  max-width: 600px;
}

.feedback-cta-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--primary);
  margin-bottom: 8px;
}

.feedback-cta-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: 6px;
}

.feedback-cta-sub {
  font-size: 0.9375rem;
  color: var(--on-surface-variant);
  line-height: 1.6;
}

.btn-review-trigger {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: var(--primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 14px 28px;
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
  cursor: pointer;
  border: none;
  white-space: nowrap;
}

.btn-review-trigger:hover {
  background-color: var(--primary-container);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-review-trigger svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Patient Review Submission Modal */
.review-modal-overlay {
  position: fixed;
  inset: 0;
  background-color: rgba(15, 23, 42, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  z-index: 2100;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-smooth);
}

.review-modal-overlay.is-active {
  opacity: 1;
  pointer-events: auto;
}

.review-modal-card {
  background-color: var(--surface);
  width: 100%;
  max-width: 520px;
  border-radius: var(--radius-md);
  border: 1px solid var(--outline-variant);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.25);
  padding: 32px;
  position: relative;
  transform: translateY(20px);
  transition: transform var(--transition-smooth);
}

.review-modal-overlay.is-active .review-modal-card {
  transform: translateY(0);
}

.review-modal-close {
  position: absolute;
  top: 20px;
  right: 20px;
  background: none;
  border: none;
  font-size: 1.75rem;
  color: var(--on-surface-variant);
  cursor: pointer;
  line-height: 1;
  transition: color var(--transition-fast);
}

.review-modal-close:hover {
  color: var(--primary);
}

.review-form-title {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--on-surface);
  margin-bottom: 6px;
}

.review-form-subtitle {
  font-size: 0.875rem;
  color: var(--on-surface-variant);
  margin-bottom: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 18px;
}

.form-label {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--on-surface);
  letter-spacing: 0.02em;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--on-surface);
  background-color: var(--surface-low);
  border: 1px solid var(--outline-variant);
  border-radius: var(--radius-sm);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0, 83, 91, 0.15);
}

.star-rating-select {
  display: flex;
  gap: 8px;
  font-size: 1.6rem;
  color: var(--outline);
  cursor: pointer;
  margin-top: 4px;
}

.star-rating-select span {
  transition: color var(--transition-fast), transform var(--transition-fast);
}

.star-rating-select span:hover,
.star-rating-select span.selected {
  color: #f59e0b;
  transform: scale(1.15);
}

.btn-form-submit {
  width: 100%;
  padding: 14px;
  background-color: var(--primary);
  color: #ffffff;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background-color var(--transition-fast), transform var(--transition-fast);
  margin-top: 8px;
}

.btn-form-submit:hover {
  background-color: var(--primary-container);
  transform: translateY(-1px);
}

.form-success-box {
  display: none;
  text-align: center;
  padding: 24px 12px;
}

.form-success-box.is-active {
  display: block;
}

.success-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background-color: rgba(0, 83, 91, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
}

.success-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--primary);
  fill: none;
  stroke-width: 2.5;
}

/* 14. Print Optimization */
@media print {
  .site-header, .mobile-toggle, .mobile-nav-panel, .mobile-nav-overlay, .back-to-top-btn, .lightbox-modal, .review-modal-overlay {
    display: none !important;
  }
  
  body {
    background-color: #ffffff !important;
    color: #000000 !important;
  }
  
  .section, .hero-section {
    padding-top: 20px !important;
    padding-bottom: 20px !important;
    page-break-inside: avoid;
  }
}