/* ==========================================================================
   THE EYE FOUNDATION - PRESBYOND® LANDING PAGE
   State of the Art Responsive CSS Design System
   ========================================================================== */

:root {
  /* Brand Color Palette from The Eye Foundation Design */
  --tef-primary-navy: #132a75;
  --tef-primary-blue: #1c327a;
  --tef-vibrant-blue: #0b57d0;
  --tef-accent-blue: #2563eb;
  --tef-light-blue-bg: #ebf3fd;
  --tef-soft-blue-border: #cfe2fe;
  --tef-dark-slate: #1e293b;
  --tef-body-gray: #475569;
  --tef-muted-gray: #64748b;
  --tef-light-gray-bg: #f8fafc;
  --tef-white: #ffffff;
  --tef-border: #e2e8f0;
  
  /* Accent glow & highlights */
  --glow-cyan: #38bdf8;
  --glow-blue: #60a5fa;

  /* Typography */
  --font-heading: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-body: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  
  /* Shadows & Radius */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  
  --shadow-sm: 0 2px 8px rgba(19, 42, 117, 0.04);
  --shadow-md: 0 8px 24px rgba(19, 42, 117, 0.08);
  --shadow-lg: 0 16px 36px rgba(19, 42, 117, 0.12);
  --shadow-xl: 0 24px 48px rgba(19, 42, 117, 0.16);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Global Reset */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  color: var(--tef-dark-slate);
  background-color: #ffffff;
  line-height: 1.6;
  overflow-x: hidden;
}

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

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

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

.container {
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ==========================================================================
   BUTTONS & BADGES
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 0.95rem;
  font-weight: 600;
  padding: 12px 26px;
  border-radius: var(--radius-full);
  transition: all var(--transition-smooth);
  text-decoration: none;
}

.btn-primary {
  background: linear-gradient(135deg, #132a75 0%, #1e3a8a 100%);
  color: var(--tef-white);
  box-shadow: 0 4px 14px rgba(19, 42, 117, 0.25);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #0f225e 0%, #172554 100%);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(19, 42, 117, 0.35);
}

.btn-outline {
  border: 1.5px solid #cbd5e1;
  color: var(--tef-primary-navy);
  background: var(--tef-white);
}

.btn-outline:hover {
  border-color: var(--tef-primary-navy);
  background: var(--tef-light-blue-bg);
  transform: translateY(-2px);
}

.btn-white {
  background: var(--tef-white);
  color: var(--tef-primary-navy);
  font-weight: 700;
}

.btn-white:hover {
  background: #f1f5f9;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.btn-glass {
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  color: var(--tef-white);
  backdrop-filter: blur(8px);
}

.btn-glass:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--tef-white);
}

.btn-block {
  width: 100%;
}

/* Section Tags */
.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--tef-vibrant-blue);
  margin-bottom: 8px;
}

.section-title {
  font-family: var(--font-heading);
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--tef-primary-navy);
  line-height: 1.25;
  margin-bottom: 16px;
}

/* ==========================================================================
   NAVBAR
   ========================================================================== */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.8);
  transition: all var(--transition-fast);
}

.nav-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-logo {
  display: flex;
  align-items: center;
}

.logo-img {
  height: 88px;
  width: auto;
  max-height: 98px;
  object-fit: contain;
  transition: transform var(--transition-fast);
}

.brand-logo:hover .logo-img {
  transform: scale(1.02);
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-link {
  font-size: 0.95rem;
  font-weight: 600;
  color: #334155;
  position: relative;
  transition: color var(--transition-fast);
}

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

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -6px;
  left: 0;
  width: 100%;
  height: 2.5px;
  background: var(--tef-primary-navy);
  border-radius: 2px;
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.nav-btn {
  padding: 10px 22px;
  font-size: 0.95rem;
  font-weight: 700;
  border-radius: var(--radius-full);
}

.nav-phone-btn,
.nav-appointment-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  letter-spacing: 0.3px;
  box-shadow: 0 4px 14px rgba(19, 42, 117, 0.18);
  transition: all var(--transition-smooth);
}

.nav-phone-btn i,
.nav-appointment-btn i {
  font-size: 0.85rem;
  transition: transform var(--transition-fast);
}

.nav-phone-btn:hover,
.nav-appointment-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(19, 42, 117, 0.28);
}

.nav-phone-btn:hover i,
.nav-appointment-btn:hover i {
  transform: scale(1.1);
}

.mobile-toggle {
  display: none;
  font-size: 1.5rem;
  color: var(--tef-primary-navy);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  padding: 48px 0 64px;
  background: radial-gradient(circle at 90% 20%, #f0f7ff 0%, #ffffff 70%);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.08fr 1fr;
  gap: 40px;
  align-items: center;
}

.badge-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #edf5ff;
  border: 1px solid #c9e0fc;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.8px;
  color: var(--tef-vibrant-blue);
  margin-bottom: 20px;
}

.pulse-dot {
  width: 7px;
  height: 7px;
  background-color: var(--tef-vibrant-blue);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(11, 87, 208, 0.7);
  animation: pulseAnimation 2s infinite;
}

@keyframes pulseAnimation {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(11, 87, 208, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(11, 87, 208, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(11, 87, 208, 0); }
}

.hero-title {
  font-family: var(--font-heading);
  font-size: 3.6rem;
  font-weight: 800;
  color: var(--tef-primary-navy);
  line-height: 1.1;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.highlight-blue {
  color: #1052c9;
}

.hero-subtitle {
  font-family: var(--font-heading);
  font-size: 1.45rem;
  font-weight: 600;
  color: #1e293b;
  line-height: 1.35;
  margin-bottom: 20px;
}

.hero-description {
  font-size: 1.05rem;
  color: var(--tef-body-gray);
  line-height: 1.65;
  margin-bottom: 32px;
  max-width: 540px;
}

.hero-cta-group {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 44px;
}

.hero-features-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding-top: 24px;
  border-top: 1px solid var(--tef-border);
}

.hero-feat-item {
  display: flex;
  align-items: center;
  gap: 10px;
}

.feat-icon {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--tef-light-blue-bg);
  color: var(--tef-primary-navy);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.feat-text {
  font-size: 0.82rem;
  font-weight: 600;
  color: #334155;
  line-height: 1.25;
}

/* Hero Right Visual & Vision Nodes */
.hero-visual {
  position: relative;
}

.hero-visual-card {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: visible;
}

.hero-img-wrapper {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(226, 232, 240, 0.8);
}

.hero-main-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.vision-connect-svg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 5;
}

.glow-line {
  fill: none;
  stroke: rgba(56, 189, 248, 0.6);
  stroke-width: 2;
  stroke-dasharray: 4, 4;
  animation: dashAnimation 20s linear infinite;
}

@keyframes dashAnimation {
  to { stroke-dashoffset: -100; }
}

.eye-origin-dot {
  fill: #38bdf8;
  filter: drop-shadow(0 0 6px #0284c7);
}

/* Floating Vision Node Cards */
.vision-node {
  position: absolute;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 12px;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(10px);
  padding: 8px 16px 8px 8px;
  border-radius: var(--radius-full);
  box-shadow: 0 10px 25px rgba(19, 42, 117, 0.15);
  border: 1px solid rgba(255, 255, 255, 0.8);
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.vision-node:hover {
  transform: scale(1.06) translateY(-4px);
  box-shadow: 0 16px 32px rgba(11, 87, 208, 0.25);
  background: #ffffff;
}

.node-thumb {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  overflow: hidden;
  border: 2px solid var(--tef-vibrant-blue);
  flex-shrink: 0;
}

.node-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.node-info h4 {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--tef-primary-navy);
  margin-bottom: 2px;
}

.node-info p {
  font-size: 0.72rem;
  font-weight: 500;
  color: var(--tef-muted-gray);
  white-space: nowrap;
}

/* Node Positioning matching exact design */
.node-distance {
  top: 24px;
  right: -24px;
}

.node-intermediate {
  top: 170px;
  right: -40px;
}

.node-near {
  bottom: 60px;
  right: -10px;
}

/* ==========================================================================
   WHAT IS PRESBYOND / LASIK COMPARISON (SECTION 2)
   ========================================================================== */
.section-about {
  padding: 80px 0;
  background-color: #ffffff;
}

/* LASIK Comparison Callout Box */
.lasik-comparison-header {
  margin-bottom: 56px;
  background: linear-gradient(135deg, #f8fafc 0%, #edf4fe 100%);
  border: 1px solid var(--tef-soft-blue-border);
  border-radius: var(--radius-xl);
  padding: 40px 36px;
}

.lasik-intro-p {
  font-size: 1.15rem;
  color: var(--tef-dark-slate);
  margin-bottom: 28px;
  max-width: 800px;
  line-height: 1.6;
}

.lasik-intro-p strong {
  color: var(--tef-primary-navy);
}

.comparison-dual-cards {
  display: grid;
  grid-template-columns: 1fr auto 1.2fr;
  gap: 20px;
  align-items: center;
}

.dual-card {
  padding: 24px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--tef-border);
  background: #ffffff;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.dual-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}

.card-traditional {
  border-left: 4px solid var(--tef-muted-gray);
  background: #fdfefe;
}

.card-presbyond {
  border-left: 4px solid var(--tef-vibrant-blue);
  background: #ffffff;
  box-shadow: 0 8px 24px rgba(11, 87, 208, 0.08);
}

.dual-card-header {
  margin-bottom: 12px;
}

.dual-card-header h3 {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--tef-primary-navy);
  margin-top: 6px;
}

.dual-card p {
  font-size: 0.92rem;
  color: var(--tef-body-gray);
  line-height: 1.55;
}

.dual-badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: var(--radius-full);
}

.badge-gray {
  background: #e2e8f0;
  color: #475569;
}

.badge-highlight {
  background: #dbeafe;
  color: var(--tef-vibrant-blue);
}

.dual-vs-divider {
  display: flex;
  align-items: center;
  justify-content: center;
}

.dual-vs-divider span {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--tef-primary-navy);
  color: #ffffff;
  font-weight: 800;
  font-size: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(19, 42, 117, 0.25);
}

.about-subtitle {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--tef-primary-navy);
  margin-bottom: 16px;
  line-height: 1.3;
}

/* ==========================================================================
   NATURAL BLENDED VISION SHOWCASE (SECTION 2)
   ========================================================================== */
.about-blended-showcase {
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  gap: 48px;
  align-items: center;
  background: #ffffff;
  padding: 40px 44px;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--tef-border);
  margin-top: 40px;
}

.about-blended-visual-col {
  position: relative;
  width: 100%;
}

.about-blended-img-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 12px 30px rgba(19, 42, 117, 0.12);
  border: 1px solid rgba(207, 226, 254, 0.9);
  background: #0d1e4c;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.about-blended-img-wrapper:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 40px rgba(19, 42, 117, 0.18);
}

.about-blended-img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: contain;
}

.about-blended-content-col {
  display: flex;
  flex-direction: column;
  text-align: left;
}

.about-blended-content-col .section-tag {
  display: inline-block;
  margin-bottom: 8px;
}

.about-blended-content-col .about-subtitle {
  font-family: var(--font-heading);
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--tef-primary-navy);
  margin-bottom: 14px;
  line-height: 1.3;
}

.about-blended-content-col .about-p {
  font-size: 1rem;
  color: var(--tef-body-gray);
  margin-bottom: 16px;
  line-height: 1.65;
}

.about-blended-content-col .transition-title {
  font-size: 1.02rem;
  color: var(--tef-dark-slate);
  margin-top: 8px;
  margin-bottom: 18px;
}

.flow-transition-boxes {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin: 0 0 20px 0;
  width: 100%;
}

.flow-box {
  flex: 1;
  background: #f8fafc;
  border: 1.5px solid #dbeafe;
  border-radius: var(--radius-md);
  padding: 16px 10px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-fast);
}

.flow-box:hover {
  border-color: var(--tef-vibrant-blue);
  background: #ffffff;
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.flow-icon {
  font-size: 1.35rem;
  color: var(--tef-primary-navy);
  margin-bottom: 6px;
}

.flow-label {
  font-family: var(--font-heading);
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 0.8px;
  color: var(--tef-primary-navy);
}

.flow-arrow {
  color: #94a3b8;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.about-conclusion {
  font-size: 0.95rem;
  font-weight: 600;
  color: #334155;
}

/* ==========================================================================
   WHY CHOOSE PRESBYOND (SECTION 3)
   ========================================================================== */
.section-why {
  padding: 80px 0;
  background-color: #ffffff;
  border-top: 1px solid var(--tef-border);
}

.why-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 48px;
}

.why-subtitle {
  font-size: 1.05rem;
  color: var(--tef-body-gray);
  margin-top: 8px;
}

.why-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.why-card {
  background: #f8fafc;
  border: 1px solid var(--tef-border);
  border-radius: var(--radius-xl);
  padding: 32px 24px;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
  position: relative;
  overflow: hidden;
}

.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--tef-primary-navy), var(--tef-vibrant-blue));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.why-card:hover {
  background: #ffffff;
  transform: translateY(-6px);
  border-color: #93c5fd;
  box-shadow: var(--shadow-lg);
}

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

.why-card-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-md);
  background: var(--tef-light-blue-bg);
  color: var(--tef-vibrant-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin-bottom: 20px;
  transition: all var(--transition-smooth);
}

.why-card:hover .why-card-icon {
  background: var(--tef-primary-navy);
  color: #ffffff;
  transform: scale(1.05);
}

.why-card-title {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--tef-primary-navy);
  margin-bottom: 12px;
  line-height: 1.3;
}

.why-card-desc {
  font-size: 0.92rem;
  color: var(--tef-body-gray);
  line-height: 1.6;
}

/* ==========================================================================
   HOW DOES IT WORK (SECTION 4)
   ========================================================================== */
.section-how {
  padding: 80px 0;
  background-color: #f8fafc;
}

.how-header {
  margin-bottom: 48px;
}

.how-intro {
  font-size: 1.1rem;
  color: var(--tef-body-gray);
  max-width: 650px;
}

.how-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 36px;
  align-items: stretch;
}

.how-cards-list {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.how-card {
  display: flex;
  gap: 20px;
  padding: 24px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--tef-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
}

.how-card:hover {
  transform: translateX(6px);
  border-color: #93c5fd;
  box-shadow: var(--shadow-md);
}

.how-card-icon {
  width: 48px;
  height: 48px;
  background: var(--tef-light-blue-bg);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--tef-primary-navy);
  font-size: 1.25rem;
  flex-shrink: 0;
}

.how-card-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--tef-primary-navy);
  margin-bottom: 6px;
}

.how-card-desc {
  font-size: 0.92rem;
  color: var(--tef-body-gray);
  line-height: 1.55;
}

/* Medical Graphic Showcase */
.how-visual-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid rgba(56, 189, 248, 0.2);
  background: #0b1736;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.how-visual-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 56px rgba(19, 42, 117, 0.2);
}

.how-showcase-img {
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

/* ==========================================================================
   SUITABILITY SECTION (SECTION 4)
   ========================================================================== */
.section-suitability {
  padding: 80px 0;
  background-color: #ffffff;
}

.suitability-grid {
  display: grid;
  grid-template-columns: 1fr 1.15fr;
  gap: 56px;
  align-items: center;
}

.suitability-img-box {
  position: relative;
  border-radius: var(--radius-xl);
  overflow: visible;
}

.suitability-img {
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  width: 100%;
  height: auto;
  object-fit: contain;
  display: block;
}

.experience-badge {
  position: absolute;
  bottom: -20px;
  left: 24px;
  background: var(--tef-primary-navy);
  color: #ffffff;
  padding: 16px 24px;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.badge-num {
  font-family: var(--font-heading);
  font-size: 1.6rem;
  font-weight: 800;
  line-height: 1;
}

.badge-lbl {
  font-size: 0.75rem;
  color: #93c5fd;
  font-weight: 600;
  letter-spacing: 0.5px;
}

.suitability-lead {
  font-size: 1.15rem;
  color: var(--tef-primary-navy);
  margin-bottom: 16px;
  line-height: 1.4;
}

.suitability-body-text {
  font-size: 0.98rem;
  color: var(--tef-body-gray);
  line-height: 1.6;
  margin-bottom: 16px;
}

.highlight-blue-box {
  background: var(--tef-light-blue-bg);
  border-left: 3.5px solid var(--tef-vibrant-blue);
  padding: 14px 18px;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: #1e3a8a;
  font-weight: 600;
  margin-bottom: 24px;
}

.checklist-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px 20px;
  margin-bottom: 28px;
}

.check-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.item-check-icon {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #e0f2fe;
  color: var(--tef-vibrant-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.item-check-text {
  font-size: 0.92rem;
  font-weight: 600;
  color: #334155;
  line-height: 1.45;
}

.evaluation-notice {
  display: flex;
  gap: 14px;
  padding: 16px 20px;
  background: #f1f5f9;
  border-left: 4px solid var(--tef-primary-navy);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.9rem;
  color: #334155;
  line-height: 1.5;
}

.evaluation-notice i {
  font-size: 1.2rem;
  color: var(--tef-primary-navy);
  margin-top: 2px;
}

/* See Beyond 40 Action Callout Bar */
.see-beyond-banner {
  margin-top: 48px;
  background: linear-gradient(135deg, #132a75 0%, #1c327a 100%);
  border-radius: var(--radius-xl);
  padding: 36px 44px;
  color: #ffffff;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  justify-content: center;
  gap: 8px;
  box-shadow: var(--shadow-lg);
}

.see-beyond-badge {
  display: inline-block;
  background: rgba(56, 189, 248, 0.2);
  border: 1px solid rgba(56, 189, 248, 0.4);
  color: #38bdf8;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 1px;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}

.see-beyond-heading {
  font-family: var(--font-heading);
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 6px;
  color: #ffffff;
}

.see-beyond-sub {
  font-size: 1rem;
  color: #cfe2fe;
}

.see-beyond-buttons {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}

.see-beyond-buttons .btn-primary {
  background: #ffffff;
  color: var(--tef-primary-navy);
}

.see-beyond-buttons .btn-primary:hover {
  background: #f1f5f9;
  color: #0b205a;
}

.see-beyond-buttons .btn-outline {
  border-color: rgba(255, 255, 255, 0.5);
  background: transparent;
  color: #ffffff;
}

.see-beyond-buttons .btn-outline:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: #ffffff;
}

/* Trademark & Medical Disclaimer */
.medical-disclaimer-card {
  margin-top: 24px;
  padding: 16px 20px;
  background: #f8fafc;
  border: 1px solid var(--tef-border);
  border-radius: var(--radius-md);
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 0.8rem;
  color: var(--tef-muted-gray);
  line-height: 1.5;
}

.medical-disclaimer-card i {
  color: #94a3b8;
  font-size: 1.1rem;
  margin-top: 2px;
  flex-shrink: 0;
}

.medical-disclaimer-card strong {
  color: #475569;
}

/* ==========================================================================
   EVERYDAY VISUAL FREEDOM (SECTION 5)
   ========================================================================== */
.section-freedom {
  padding: 88px 0;
  background: #f8fafc;
  border-top: 1px solid var(--tef-border);
  border-bottom: 1px solid var(--tef-border);
}

.freedom-layout-grid {
  display: grid;
  grid-template-columns: 1.02fr 1fr;
  gap: 52px;
  align-items: center;
}

/* Left Visual Column */
.freedom-visual-col {
  position: relative;
}

.freedom-visual-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 20px 45px rgba(19, 42, 117, 0.12), 0 4px 12px rgba(19, 42, 117, 0.06);
  border: 1px solid rgba(207, 226, 254, 0.85);
  background: #ffffff;
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.freedom-visual-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 28px 56px rgba(19, 42, 117, 0.16);
}

.freedom-showcase-img {
  width: 100%;
  height: auto;
  display: block;
}

/* Right Content Column */
.freedom-content-col {
  display: flex;
  flex-direction: column;
}

.freedom-heading {
  font-family: var(--font-heading);
  font-size: 2.15rem;
  font-weight: 800;
  color: var(--tef-primary-navy);
  line-height: 1.25;
  margin-top: 8px;
  margin-bottom: 14px;
}

.freedom-subtext {
  font-size: 1.02rem;
  color: var(--tef-body-gray);
  line-height: 1.6;
  margin-bottom: 26px;
}

/* Vision Zone List */
.vision-zone-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
  margin-bottom: 24px;
}

.vision-zone-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 16px 20px;
  background: #ffffff;
  border-radius: var(--radius-lg);
  border: 1px solid var(--tef-border);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.vision-zone-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: linear-gradient(180deg, var(--tef-primary-navy), var(--tef-vibrant-blue));
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.vision-zone-card:hover {
  transform: translateX(6px);
  border-color: #93c5fd;
  box-shadow: var(--shadow-md);
}

.vision-zone-card:hover::before {
  opacity: 1;
}

.zone-icon-box {
  width: 42px;
  height: 42px;
  border-radius: var(--radius-md);
  background: var(--tef-light-blue-bg);
  color: var(--tef-vibrant-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.15rem;
  flex-shrink: 0;
  transition: all var(--transition-smooth);
}

.vision-zone-card:hover .zone-icon-box {
  background: var(--tef-primary-navy);
  color: #ffffff;
  transform: scale(1.05);
}

.zone-info {
  flex: 1;
}

.zone-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 4px;
}

.zone-title {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--tef-primary-navy);
}

.zone-tag {
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--tef-vibrant-blue);
  background: #ebf3fd;
  padding: 3px 10px;
  border-radius: var(--radius-full);
  letter-spacing: 0.2px;
}

.zone-desc {
  font-size: 0.88rem;
  color: var(--tef-body-gray);
  line-height: 1.5;
}

/* Integrated Summary Strip */
.freedom-summary-strip {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  background: #e0f2fe;
  border: 1px solid #bae6fd;
  border-radius: var(--radius-md);
  font-size: 0.84rem;
  font-weight: 700;
  color: var(--tef-primary-navy);
  gap: 8px;
}

.summary-strip-item {
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
}

.summary-strip-item i {
  color: var(--tef-vibrant-blue);
  font-size: 0.95rem;
}

.summary-strip-dot {
  color: #93c5fd;
  font-size: 1.1rem;
}

/* ==========================================================================
   CALL TO ACTION BANNER
   ========================================================================== */
.section-cta {
  padding: 60px 0;
  background: #ffffff;
}

.cta-banner {
  background: linear-gradient(135deg, #132a75 0%, #1e3a8a 100%);
  border-radius: var(--radius-xl);
  padding: 56px 48px;
  text-align: center;
  color: #ffffff;
  box-shadow: var(--shadow-xl);
}

.cta-title {
  font-family: var(--font-heading);
  font-size: 2.3rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.cta-text {
  font-size: 1.1rem;
  max-width: 720px;
  margin: 0 auto 32px;
  color: #e2e8f0;
}

.cta-buttons {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

/* ==========================================================================
   FOOTER (MINIMAL DARK STRIP)
   ========================================================================== */
.footer-minimal {
  background: #081127;
  color: #94a3b8;
  padding: 22px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.88rem;
}

.footer-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-copy {
  color: #94a3b8;
  margin: 0;
}

.footer-highlight {
  color: #0088cc;
  font-weight: 700;
}

.footer-credit {
  color: #94a3b8;
  margin: 0;
}

.credit-link {
  color: #0088cc;
  font-weight: 700;
  text-decoration: none;
  transition: color var(--transition-fast);
}

.credit-link:hover {
  color: #38bdf8;
  text-decoration: underline;
}

/* ==========================================================================
   MODALS
   ========================================================================== */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(13, 27, 62, 0.7);
  backdrop-filter: blur(8px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  padding: 20px;
}

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

.modal-card {
  background: #ffffff;
  border-radius: var(--radius-xl);
  max-width: 540px;
  width: 100%;
  padding: 36px;
  position: relative;
  box-shadow: var(--shadow-xl);
  transform: translateY(20px);
  transition: all var(--transition-smooth);
}

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

.modal-close {
  position: absolute;
  top: 18px;
  right: 20px;
  font-size: 1.8rem;
  color: #64748b;
  line-height: 1;
}

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

.modal-header {
  text-align: center;
  margin-bottom: 24px;
}

.modal-icon {
  width: 52px;
  height: 52px;
  background: var(--tef-light-blue-bg);
  border-radius: 50%;
  color: var(--tef-vibrant-blue);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  margin: 0 auto 12px;
}

.modal-header h3 {
  font-family: var(--font-heading);
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--tef-primary-navy);
  margin-bottom: 4px;
}

.modal-header p {
  font-size: 0.88rem;
  color: var(--tef-muted-gray);
}

.modal-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

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

.form-group label {
  font-size: 0.82rem;
  font-weight: 700;
  color: #334155;
}

.form-group input, .form-group select {
  padding: 12px 16px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--tef-border);
  font-family: inherit;
  font-size: 0.92rem;
  color: var(--tef-dark-slate);
  outline: none;
  transition: border-color var(--transition-fast);
}

.form-group input:focus, .form-group select:focus {
  border-color: var(--tef-vibrant-blue);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

/* Quiz Steps */
.quiz-step {
  display: none;
}

.quiz-step.active {
  display: block;
}

.quiz-step-indicator {
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--tef-vibrant-blue);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
}

.quiz-q {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--tef-primary-navy);
  margin-bottom: 18px;
}

.quiz-options {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.quiz-opt-btn {
  padding: 14px 18px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--tef-border);
  background: #f8fafc;
  font-weight: 600;
  font-size: 0.92rem;
  color: #334155;
  text-align: left;
  transition: all var(--transition-fast);
}

.quiz-opt-btn:hover {
  border-color: var(--tef-vibrant-blue);
  background: var(--tef-light-blue-bg);
  color: var(--tef-primary-navy);
  transform: translateX(4px);
}

.quiz-result-card {
  text-align: center;
  padding: 12px 0;
}

.result-badge-success {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: #dcfce7;
  color: #166534;
  padding: 6px 16px;
  border-radius: var(--radius-full);
  font-weight: 700;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.result-title {
  font-family: var(--font-heading);
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--tef-primary-navy);
  margin-bottom: 12px;
}

.result-text {
  font-size: 0.92rem;
  color: var(--tef-body-gray);
  line-height: 1.6;
  margin-bottom: 24px;
}

/* ==========================================================================
   MINIMAL FOOTER
   ========================================================================== */
.footer-minimal {
  background-color: #091024;
  padding: 28px 0;
  text-align: center;
  border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-minimal p {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: #71829e;
  letter-spacing: 0.3px;
  margin: 0;
}

.footer-highlight {
  color: #00bcd4;
  font-weight: 700;
}

/* ==========================================================================
   RESPONSIVE DESIGN (TABLETS & PHONES)
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid, .about-grid, .suitability-grid, .about-blended-showcase {
    grid-template-columns: 1fr;
    gap: 36px;
  }

  .about-blended-showcase {
    padding: 32px 28px;
  }

  .why-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .comparison-dual-cards {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .dual-vs-divider {
    padding: 6px 0;
  }

  .see-beyond-banner {
    flex-direction: column;
    text-align: center;
    align-items: center;
  }

  .see-beyond-buttons {
    flex-wrap: wrap;
    justify-content: center;
  }

  .how-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .dark-card-inner {
    flex-direction: column;
    text-align: center;
    gap: 24px;
  }

  .cornea-visual {
    width: 140px;
    height: 140px;
    margin: 0 auto;
  }

  .dark-card-info {
    width: 100%;
  }

  .dark-checklist {
    max-width: 400px;
    margin: 0 auto;
    text-align: left;
  }

  .node-distance, .node-intermediate, .node-near {
    position: static;
    margin-top: 10px;
    border-radius: var(--radius-md);
    width: 100%;
    box-sizing: border-box;
  }

  .vision-connect-svg {
    display: none;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 16px;
  }

  .nav-container {
    padding: 2px 16px;
  }

  .logo-img {
    height: 74px;
    max-height: 80px;
  }

  .nav-menu {
    display: none;
  }

  .mobile-toggle {
    display: none;
  }

  .nav-btn, .nav-phone-btn, .nav-appointment-btn {
    display: inline-flex;
    padding: 8px 14px;
    font-size: 0.84rem;
    gap: 6px;
  }

  /* Hero Section */
  .hero-section {
    padding: 24px 0 44px;
  }

  .badge-pill {
    font-size: 0.68rem;
    padding: 5px 10px;
    max-width: 100%;
    white-space: normal;
    text-align: center;
    display: inline-flex;
    margin-bottom: 14px;
  }

  .hero-title {
    font-size: 2.2rem;
    line-height: 1.15;
    margin-bottom: 14px;
    word-break: break-word;
  }

  .hero-subtitle {
    font-size: 1.15rem;
    line-height: 1.4;
    margin-bottom: 16px;
  }

  .hero-description {
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 24px;
    max-width: 100%;
  }

  .hero-features-bar {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    width: 100%;
    padding-top: 20px;
  }

  .hero-feat-item {
    width: 100%;
  }

  .hero-img-wrapper {
    height: auto;
  }

  .hero-main-img {
    height: auto;
    width: 100%;
    object-fit: contain;
  }

  /* Section Spacings & Typography */
  .section-about, .section-why, .section-how, .section-freedom, .section-suitability {
    padding: 44px 0;
  }

  .section-title {
    font-size: 1.65rem;
    line-height: 1.25;
  }

  /* LASIK Comparison & Blended Vision Showcase */
  .lasik-comparison-header {
    padding: 24px 16px;
    margin-bottom: 32px;
    border-radius: var(--radius-lg);
  }

  .about-blended-showcase {
    padding: 24px 18px;
    gap: 24px;
    margin-top: 28px;
  }

  .about-blended-content-col .about-subtitle {
    font-size: 1.4rem;
  }

  .lasik-intro-p {
    font-size: 0.98rem;
    margin-bottom: 18px;
  }

  /* Interactive Vision Slider Mobile Optimization */
  .comparison-wrapper {
    height: 300px;
  }

  .comparison-top-badges {
    top: 10px;
    left: 8px;
    right: 8px;
    gap: 6px;
  }

  .comp-badge {
    padding: 5px 9px;
    font-size: 0.65rem;
    font-weight: 700;
    gap: 4px;
    white-space: nowrap;
    border-radius: var(--radius-full);
  }

  .comp-badge i {
    font-size: 0.65rem;
  }

  .handle-btn {
    width: 34px;
    height: 34px;
    font-size: 0.68rem;
  }

  .slider-caption-bar {
    padding: 8px 10px;
    font-size: 0.74rem;
  }

  /* Flow Transition Boxes - Clean horizontal row */
  .flow-transition-boxes {
    display: flex;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 6px;
    margin: 18px 0;
    width: 100%;
  }

  .flow-box {
    flex: 1;
    padding: 12px 6px;
    border-radius: var(--radius-md);
    text-align: center;
    min-width: 0;
  }

  .flow-icon {
    font-size: 1.15rem;
    margin-bottom: 4px;
  }

  .flow-label {
    font-size: 0.62rem;
    letter-spacing: 0.5px;
  }

  .flow-arrow {
    color: #94a3b8;
    font-size: 0.75rem;
    transform: none;
    flex-shrink: 0;
  }

  /* Why Choose PRESBYOND */
  .why-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .why-card {
    padding: 22px 18px;
  }

  /* How does it work Responsive */
  .how-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .how-card {
    padding: 18px 16px;
    gap: 14px;
  }

  .how-visual-card {
    border-radius: var(--radius-lg);
  }

  /* Everyday Freedom Responsive */
  .freedom-layout-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .freedom-heading {
    font-size: 1.65rem;
  }

  .freedom-summary-strip {
    flex-direction: column;
    align-items: flex-start;
    gap: 10px;
    padding: 16px;
  }

  .summary-strip-dot {
    display: none;
  }

  /* Suitability & Assessment */
  .suitability-img {
    height: auto;
    width: 100%;
    object-fit: contain;
  }

  .experience-badge {
    position: static;
    margin-top: 14px;
    display: inline-flex;
    flex-direction: column;
    width: 100%;
    box-sizing: border-box;
    text-align: center;
  }

  .checklist-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .see-beyond-banner {
    padding: 24px 18px;
    margin-top: 32px;
    border-radius: var(--radius-lg);
  }

  .see-beyond-heading {
    font-size: 1.45rem;
  }

  .see-beyond-buttons {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .see-beyond-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  .medical-disclaimer-card {
    padding: 14px 16px;
    font-size: 0.78rem;
  }

  /* CTA Banner */
  .section-cta {
    padding: 36px 0;
  }

  .cta-banner {
    padding: 32px 18px;
    border-radius: var(--radius-lg);
  }

  .cta-title {
    font-size: 1.55rem;
    line-height: 1.25;
  }

  .cta-buttons {
    flex-direction: column;
    width: 100%;
    gap: 12px;
  }

  .cta-buttons .btn {
    width: 100%;
    justify-content: center;
  }

  /* Modals */
  .modal-card {
    padding: 24px 18px;
    border-radius: var(--radius-lg);
    max-height: 88vh;
    overflow-y: auto;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}

@media (max-width: 480px) {
  .nav-container {
    padding: 2px 12px;
  }

  .logo-img {
    height: 66px;
    max-height: 72px;
  }

  .nav-phone-btn,
  .nav-appointment-btn {
    padding: 6px 11px;
    font-size: 0.76rem;
    gap: 5px;
  }

  .hero-title {
    font-size: 1.95rem;
  }

  .hero-subtitle {
    font-size: 1.05rem;
  }

  .section-title {
    font-size: 1.45rem;
  }

  /* Comparison Slider 480px adjustments */
  .comparison-wrapper {
    height: 280px;
  }

  .comparison-top-badges {
    top: 8px;
    left: 6px;
    right: 6px;
    gap: 4px;
  }

  .comp-badge {
    padding: 4px 8px;
    font-size: 0.62rem;
    gap: 3px;
    letter-spacing: 0;
  }

  .comp-badge i {
    font-size: 0.58rem;
  }

  .handle-btn {
    width: 32px;
    height: 32px;
    font-size: 0.62rem;
  }

  .see-beyond-heading {
    font-size: 1.35rem;
  }

  .flow-box {
    padding: 10px 4px;
  }

  .flow-icon {
    font-size: 1rem;
  }

  .flow-label {
    font-size: 0.58rem;
  }
}

@media (max-width: 380px) {
  .logo-img {
    height: 56px;
    max-height: 60px;
  }

  .nav-phone-btn,
  .nav-appointment-btn {
    padding: 5px 8px;
    font-size: 0.7rem;
  }

  .comp-badge {
    padding: 3px 6px;
    font-size: 0.56rem;
  }

  .comparison-wrapper {
    height: 260px;
  }
}