/* CSS Variables - Birthday Checkpoint inspired theme */
:root {
  --color-primary: #0066CC;
  --color-primary-hover: #0052A3;
  --color-primary-active: #004080;
  --color-primary-light: #E6F2FF;
  --color-primary-ultra-light: #F0F7FF;
  --color-primary-tint: rgba(0, 102, 204, 0.04);

  --color-secondary: #008B8B;
  --color-secondary-light: #E0F7F7;

  --color-success: #10B981;
  --color-success-light: #D1FAE5;
  --color-warning: #F59E0B;
  --color-warning-light: #FEF3C7;
  --color-error: #EF4444;
  --color-error-light: #FEE2E2;

  --color-text-primary: #111827;
  --color-text-secondary: #374151;
  --color-text-tertiary: #6B7280;
  --color-text-disabled: #9CA3AF;

  --color-background: #FFFFFF;
  --color-background-secondary: #F9FAFB;
  --color-background-tertiary: #F3F4F6;
  --color-background-blue-tint: #FAFCFF;

  --color-border: #E5E7EB;
  --color-border-light: #F3F4F6;
  --color-border-blue: rgba(0, 102, 204, 0.12);

  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 4px 16px rgba(0, 0, 0, 0.12);
  --shadow-card: 0 2px 12px rgba(0, 0, 0, 0.06);
  --shadow-elevated: 0 4px 20px rgba(0, 0, 0, 0.08);

  --radius-sm: 0.25rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;

  --spacing-1: 0.25rem;
  --spacing-2: 0.5rem;
  --spacing-3: 0.75rem;
  --spacing-4: 1rem;
  --spacing-5: 1.25rem;
  --spacing-6: 1.5rem;
  --spacing-8: 2rem;
  --spacing-10: 2.5rem;
  --spacing-12: 3rem;
  --spacing-16: 4rem;
  --spacing-20: 5rem;

  --transition-fast: 150ms;
  --transition-default: 200ms;
  --transition-easing: cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* Base */
html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 1rem;
  line-height: 1.5;
  color: var(--color-text-primary);
  background: var(--color-background);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Accessibility */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

.container-narrow {
  max-width: 800px;
  margin: 0 auto;
  padding: 0 var(--spacing-6);
}

/* Header */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: var(--spacing-4) var(--spacing-6);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: var(--spacing-2);
  text-decoration: none;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2.5rem;
  height: 2.5rem;
  background: var(--color-primary);
  border-radius: var(--radius-md);
  color: white;
}

.logo-icon svg {
  width: 20px;
  height: 20px;
}

.logo-text {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  letter-spacing: -0.01em;
}

/* Navigation */
.main-nav {
  display: flex;
  align-items: center;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: var(--spacing-6);
  margin: 0;
  padding: 0;
}

.nav-link {
  font-size: 1rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

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

.nav-link.active {
  color: var(--color-primary);
  font-weight: 500;
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: var(--spacing-2);
  cursor: pointer;
}

.hamburger {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  position: relative;
}

.hamburger::before,
.hamburger::after {
  content: '';
  position: absolute;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--color-text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.hamburger::before {
  top: -7px;
}

.hamburger::after {
  top: 7px;
}

@media (max-width: 768px) {
  .nav-toggle {
    display: block;
    z-index: 110;
  }

  .nav-menu {
    position: fixed;
    top: 64px;
    right: 0;
    width: 220px;
    flex-direction: column;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(12px);
    padding: var(--spacing-5);
    gap: var(--spacing-3);
    box-shadow: var(--shadow-lg);
    border-radius: 0 0 0 var(--radius-lg);
    border-top: 3px solid var(--color-primary);
    z-index: 105;
    display: none;
  }

  .nav-menu.open {
    display: flex;
  }

  .nav-link {
    padding: var(--spacing-2) 0;
  }
}

/* Hero */
.hero {
  padding: var(--spacing-16) var(--spacing-6) calc(var(--spacing-16) + 60px);
  background: var(--color-primary-light);
  position: relative;
  overflow: hidden;
}

.hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--color-background);
  clip-path: ellipse(70% 100% at 50% 100%);
}

.hero .container {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 1;
}

.hero h1 {
  font-size: 3rem;
  font-weight: 700;
  letter-spacing: -0.09rem;
  color: var(--color-text-primary);
  max-width: 800px;
  margin-bottom: var(--spacing-4);
  line-height: 1.15;
}

.hero-highlight {
  display: block;
  color: var(--color-primary);
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 600px;
  margin-bottom: var(--spacing-2);
  line-height: 1.75;
}

.hero-tagline {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  max-width: 700px;
  margin-bottom: var(--spacing-8);
}

.hero-note {
  font-size: 0.875rem;
  color: var(--color-text-tertiary);
  max-width: 500px;
  margin-bottom: 0;
}

@media (max-width: 768px) {
  .hero {
    padding: var(--spacing-12) var(--spacing-6) calc(var(--spacing-12) + 40px);
  }
  .hero::after {
    height: 40px;
  }
  .hero h1 {
    font-size: 2.25rem;
    letter-spacing: -0.02rem;
  }
  .hero-highlight {
    display: inline;
  }
  .hero-tagline {
    max-width: 100%;
  }
}

/* CTA Group */
.cta-group {
  display: flex;
  gap: var(--spacing-4);
}

@media (max-width: 480px) {
  .cta-group {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  padding: var(--spacing-3) var(--spacing-6);
  font-family: var(--font-family);
  font-size: 1rem;
  font-weight: 600;
  line-height: 1;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  text-decoration: none;
  transition: all var(--transition-fast) var(--transition-easing);
}

.btn-primary {
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: white;
  box-shadow:
    0 2px 4px rgba(0, 102, 204, 0.2),
    0 4px 8px rgba(0, 102, 204, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.btn-primary:hover {
  background: linear-gradient(180deg, #3b82f6 0%, var(--color-primary-hover) 100%);
  box-shadow:
    0 4px 8px rgba(0, 102, 204, 0.25),
    0 8px 16px rgba(0, 102, 204, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.btn-primary:active {
  transform: translateY(0) scale(0.99);
  box-shadow:
    0 1px 2px rgba(0, 102, 204, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-secondary {
  background: var(--color-background);
  color: var(--color-primary);
  border: 2px solid var(--color-primary);
  box-shadow:
    0 1px 2px rgba(0, 0, 0, 0.04),
    0 2px 4px rgba(0, 0, 0, 0.03);
}

.btn-secondary:hover {
  background: var(--color-primary-ultra-light);
  border-color: var(--color-primary-hover);
  box-shadow:
    0 2px 4px rgba(0, 102, 204, 0.1),
    0 4px 8px rgba(0, 102, 204, 0.08);
  transform: translateY(-1px);
}

.btn-secondary:active {
  transform: translateY(0) scale(0.99);
  box-shadow: 0 1px 2px rgba(0, 0, 0, 0.04);
}

/* Input Section */
.input-section {
  padding: var(--spacing-4) 0;
  background: var(--color-background);
}

.input-section .container {
  max-width: 955px;
  background: var(--color-primary-ultra-light);
  padding: var(--spacing-12) var(--spacing-10);
  border-radius: var(--radius-xl);
}

.input-card {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-6);
  align-items: flex-end;
  justify-content: center;
  max-width: 700px;
  margin: 0 auto;
  padding: var(--spacing-8);
  background: var(--color-background);
  border: 1px solid var(--color-border-blue);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-2);
  min-width: 150px;
}

.input-label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-secondary);
}

.age-input,
.sex-select {
  padding: 0 var(--spacing-4);
  font-size: 1rem;
  font-family: var(--font-family);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background-color: var(--color-background);
  color: var(--color-text-primary);
  width: 160px;
  height: 44px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  -webkit-appearance: none;
  -moz-appearance: none;
  appearance: none;
}

.sex-select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%236B7280' d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  padding-right: 36px;
  cursor: pointer;
}

.age-input:focus,
.sex-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-light);
  outline: none;
}

.check-btn {
  padding: var(--spacing-3) var(--spacing-8);
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-family);
  background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: white;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast) var(--transition-easing);
  box-shadow:
    0 2px 4px rgba(0, 102, 204, 0.2),
    0 4px 8px rgba(0, 102, 204, 0.15),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
}

.check-btn:hover:not(:disabled) {
  background: linear-gradient(180deg, #3b82f6 0%, var(--color-primary-hover) 100%);
  box-shadow:
    0 4px 8px rgba(0, 102, 204, 0.25),
    0 8px 16px rgba(0, 102, 204, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.15);
  transform: translateY(-1px);
}

.check-btn:active:not(:disabled) {
  transform: translateY(0) scale(0.99);
  box-shadow:
    0 1px 2px rgba(0, 102, 204, 0.2),
    inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.check-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Results Section */
.results-section {
  padding: var(--spacing-8) 0 0;
  margin-top: var(--spacing-8);
}

.results-section.hidden {
  display: none;
}

.results-header {
  text-align: center;
  margin-bottom: var(--spacing-8);
}

.results-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.results-subtitle {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-4);
}

.user-info {
  display: flex;
  gap: var(--spacing-3);
  justify-content: center;
  flex-wrap: wrap;
}

.info-badge {
  display: inline-block;
  padding: var(--spacing-2) var(--spacing-4);
  background: var(--color-primary-light);
  color: var(--color-primary);
  font-weight: 600;
  font-size: 0.875rem;
  border-radius: var(--radius-lg);
}

.no-screenings {
  text-align: center;
  padding: var(--spacing-8);
  background: var(--color-background);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
}

.no-screenings.hidden {
  display: none;
}

.no-screenings p {
  color: var(--color-text-secondary);
  line-height: 1.7;
}

/* Screening Cards */
.screening-cards {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
}

.screening-card {
  background: var(--color-background);
  border: none;
  border-radius: var(--radius-xl);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 102, 204, 0.08), 0 1px 3px rgba(0, 102, 204, 0.05);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.screening-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(0, 102, 204, 0.12), 0 2px 6px rgba(0, 102, 204, 0.06);
}

.card-header {
  padding: var(--spacing-6);
  background: linear-gradient(135deg, var(--color-primary-ultra-light) 0%, var(--color-primary-light) 100%);
  border-bottom: 1px solid var(--color-primary);
  position: relative;
}

.card-header::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, transparent 0%, rgba(255,255,255,0.5) 50%, transparent 100%);
  pointer-events: none;
}

.card-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-1);
  position: relative;
}

.card-subtitle {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  position: relative;
}

.card-body {
  padding: 0;
}

/* Accordion */
.accordion-item {
  border-bottom: 1px solid var(--color-border-light);
}

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

.accordion-trigger {
  width: 100%;
  padding: var(--spacing-4) var(--spacing-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-align: left;
  transition: background 0.2s;
}

.accordion-trigger:hover {
  background: var(--color-background-secondary);
}

.accordion-trigger .icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-text-tertiary);
  transition: transform 0.2s;
}

.accordion-item.open .accordion-trigger .icon {
  transform: rotate(180deg);
}

.accordion-content {
  display: none;
  padding: 0 var(--spacing-6) var(--spacing-6);
}

.accordion-item.open .accordion-content {
  display: block;
}

.guideline-box {
  background: var(--color-primary-ultra-light);
  border-left: 4px solid var(--color-primary);
  padding: var(--spacing-4);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin-bottom: var(--spacing-4);
}

.guideline-box h4 {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-2);
}

.guideline-box p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--spacing-2);
}

.guideline-box p:last-child {
  margin-bottom: 0;
}

.grade-wrapper {
  position: relative;
  display: inline-block;
  margin-top: var(--spacing-2);
}

.grade-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: var(--spacing-1) var(--spacing-2);
  background: var(--color-primary);
  color: white;
  font-size: 0.75rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  border: none;
  cursor: pointer;
  transition: background 0.2s;
}

.grade-badge:hover {
  background: var(--color-primary-hover);
}

.grade-badge .info-icon {
  width: 12px;
  height: 12px;
  opacity: 0.8;
}

.grade-tooltip {
  position: absolute;
  bottom: calc(100% + 8px);
  left: 0;
  width: 240px;
  padding: var(--spacing-3);
  background: var(--color-primary-active);
  color: white;
  border-radius: var(--radius-md);
  font-size: 0.75rem;
  line-height: 1.5;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
  z-index: 100;
}

.grade-tooltip.visible {
  opacity: 1;
  visibility: visible;
}

.grade-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 20px;
  border: 6px solid transparent;
  border-top-color: var(--color-primary-active);
}

.grade-item {
  display: flex;
  gap: 6px;
  padding: 4px 6px;
  border-radius: 4px;
  margin-bottom: 4px;
}

.grade-item:last-child {
  margin-bottom: 0;
}

.grade-item.active {
  background: rgba(255, 255, 255, 0.15);
}

.grade-item strong {
  min-width: 52px;
}

/* Citation Tooltip */
.citation-wrapper {
  position: relative;
  display: inline-block;
  margin-left: 4px;
  vertical-align: middle;
}

.citation-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  padding: 0;
  background: transparent;
  border: none;
  color: var(--color-primary);
  cursor: pointer;
  transition: transform 0.2s, color 0.2s;
}

.citation-icon:hover {
  transform: scale(1.1);
  color: var(--color-primary-hover);
}

.citation-icon svg {
  width: 16px;
  height: 16px;
}

.citation-tooltip {
  position: absolute;
  bottom: calc(100% + 10px);
  left: 50%;
  transform: translateX(-50%);
  width: 280px;
  padding: var(--spacing-4);
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-lg);
  font-size: 0.8125rem;
  line-height: 1.6;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.2s, visibility 0.2s;
  z-index: 100;
  pointer-events: none;
}

.citation-wrapper:hover .citation-tooltip,
.citation-wrapper:focus-within .citation-tooltip {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.citation-tooltip::after {
  content: '';
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  border: 8px solid transparent;
  border-top-color: var(--color-primary);
}

.citation-tooltip a {
  color: white !important;
  text-decoration: underline;
  font-weight: 500;
}

.citation-tooltip a:hover {
  text-decoration: none;
  color: white !important;
}

.citation-source {
  display: block;
  margin-top: var(--spacing-2);
  font-size: 0.75rem;
  opacity: 0.85;
}

/* What to Expect Phases */
.phases-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-4);
}

@media (max-width: 640px) {
  .phases-grid {
    grid-template-columns: 1fr;
  }
}

.phase {
  background: var(--color-background-secondary);
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
  border-left: 3px solid var(--color-primary);
}

.phase.before {
  border-left-color: #F59E0B;
}

.phase.during {
  border-left-color: #0066CC;
}

.phase.after {
  border-left-color: #22C55E;
}

.phase-title {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--spacing-2);
}

.phase.before .phase-title {
  color: #D97706;
}

.phase.during .phase-title {
  color: #0066CC;
}

.phase.after .phase-title {
  color: #059669;
}

.phase ul {
  list-style: none;
  font-size: 0.8125rem;
  color: var(--color-text-secondary);
  padding: 0;
  margin: 0;
}

.phase li {
  margin-bottom: var(--spacing-1);
  padding-left: var(--spacing-4);
  position: relative;
  line-height: 1.5;
}

.phase li::before {
  content: "•";
  position: absolute;
  left: 0;
  color: var(--color-primary);
}

.phase.before li::before {
  color: #F59E0B;
}

.phase.during li::before {
  color: #0066CC;
}

.phase.after li::before {
  color: #22C55E;
}

/* Section Headers */
.section-header {
  text-align: center;
  margin-bottom: var(--spacing-10);
}

.section-header h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-4);
}

.section-header p {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
}

/* Why Section */
.why-section {
  padding: var(--spacing-16) 0;
  background: var(--color-background);
}

/* Info Cards Grid */
.info-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-6);
  max-width: 1000px;
  margin: 0 auto;
}

@media (max-width: 900px) {
  .info-cards {
    grid-template-columns: 1fr;
    gap: var(--spacing-4);
  }
}

.info-card {
  display: flex;
  background: var(--color-background);
  border: 1px solid var(--color-border-blue);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

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

.info-card-indicator {
  width: 4px;
  flex-shrink: 0;
  background: var(--color-primary);
}

.info-card-content {
  flex: 1;
  padding: var(--spacing-6);
}

.info-card-icon {
  width: 48px;
  height: 48px;
  margin-bottom: var(--spacing-4);
  background: var(--color-primary-ultra-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-card-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.info-card h3 {
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-3);
}

.info-card p {
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

/* Next Steps Section */
.next-steps-section {
  padding: var(--spacing-8) 0;
  background: var(--color-background);
}

.next-steps-section .container {
  max-width: 955px;
  background: var(--color-primary-ultra-light);
  padding: var(--spacing-10);
  border-radius: var(--radius-xl);
}

.next-steps-section h2 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--color-text-primary);
  text-align: center;
  margin-bottom: var(--spacing-4);
}

.next-steps-intro {
  text-align: center;
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-8);
}

.next-steps-list {
  max-width: 700px;
  margin: 0 auto var(--spacing-8);
  padding-left: var(--spacing-6);
}

.next-steps-list li {
  font-size: 1rem;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-4);
  line-height: 1.7;
}

.next-steps-list li a {
  color: var(--color-primary);
  text-decoration: none;
}

.next-steps-list li a:hover {
  text-decoration: underline;
}

.next-steps-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-4);
  flex-wrap: wrap;
}

/* Page Hero */
.page-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: var(--spacing-16) var(--spacing-6) var(--spacing-20);
  background: var(--color-primary-light);
  position: relative;
  overflow: hidden;
}

.page-hero::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 60px;
  background: var(--color-background);
  clip-path: ellipse(70% 100% at 50% 100%);
}

.page-hero h1 {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-3);
  position: relative;
  z-index: 1;
  letter-spacing: -0.02em;
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.08);
}

.page-hero p {
  font-size: 1.125rem;
  color: var(--color-primary);
  max-width: 600px;
  position: relative;
  z-index: 1;
  font-weight: 500;
  text-shadow: 0 1px 2px rgba(0, 102, 204, 0.1);
}

@media (max-width: 768px) {
  .page-hero {
    padding: var(--spacing-12) var(--spacing-6) var(--spacing-16);
  }
  .page-hero h1 {
    font-size: 2rem;
  }
  .page-hero::after {
    height: 40px;
  }
}

/* Content Sections */
.content-section {
  padding: var(--spacing-16) 0;
  background: var(--color-background);
}

.content-section .container-narrow h2 {
  font-size: 1.375rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin: var(--spacing-8) 0 var(--spacing-4);
}

.content-section .container-narrow h2:first-child {
  margin-top: 0;
}

.content-section .container-narrow p {
  font-size: 1rem;
  color: var(--color-text-secondary);
  line-height: 1.8;
  margin-bottom: var(--spacing-4);
}

.content-section .container-narrow a {
  color: var(--color-primary);
  text-decoration: none;
}

.content-section .container-narrow a:hover {
  text-decoration: underline;
}

/* Legal Page Styles */
.legal-toc {
  text-align: center;
  margin: 0 0 var(--spacing-6);
  padding: var(--spacing-4);
  background: var(--color-background-secondary);
  border-radius: var(--radius-lg);
}

.legal-toc a {
  color: var(--color-primary);
  text-decoration: none;
  font-weight: 500;
}

.legal-toc a:hover {
  text-decoration: underline;
}

.legal-toc span {
  color: var(--color-text-tertiary);
  margin: 0 var(--spacing-2);
}

.legal-section {
  scroll-margin-top: 96px;
  padding-top: var(--spacing-8);
  border-top: 1px solid var(--color-border);
  margin-top: var(--spacing-8);
}

.legal-section:first-of-type {
  border-top: none;
  margin-top: var(--spacing-4);
}

.legal-section h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: var(--spacing-6) 0 var(--spacing-3);
}

.back-to-top {
  margin-top: var(--spacing-6);
  text-align: right;
  font-size: 0.875rem;
}

.back-to-top a {
  color: var(--color-text-secondary);
}

.back-to-top a:hover {
  color: var(--color-primary);
}

.lead-text {
  font-size: 1.25rem !important;
  color: var(--color-text-primary) !important;
  margin-bottom: var(--spacing-6) !important;
}

.highlight-text {
  font-size: 1.25rem !important;
  font-weight: 600;
  color: var(--color-primary) !important;
  margin: var(--spacing-6) 0 !important;
}

/* Feature Lists */
.feature-list {
  list-style: none;
  padding: 0;
  margin: var(--spacing-4) 0 var(--spacing-6);
}

.feature-list > li {
  padding: var(--spacing-2) 0 var(--spacing-2) var(--spacing-6);
  position: relative;
  color: var(--color-text-secondary);
  line-height: 1.7;
}

.feature-list > li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.75rem;
  width: 8px;
  height: 8px;
  background: var(--color-primary);
  border-radius: 50%;
}

/* Nested lists */
.feature-list ul {
  list-style: none;
  padding: 0;
  margin: var(--spacing-2) 0 0 var(--spacing-4);
}

.feature-list ul li {
  padding: var(--spacing-1) 0 var(--spacing-1) var(--spacing-5);
  position: relative;
}

.feature-list ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.65rem;
  width: 6px;
  height: 6px;
  background: transparent;
  border: 1.5px solid var(--color-primary);
  border-radius: 50%;
}

/* Barrier Cards */
.barrier-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--spacing-4);
  margin: var(--spacing-6) 0;
}

@media (max-width: 768px) {
  .barrier-cards {
    grid-template-columns: 1fr;
  }
}

.barrier-card {
  display: flex;
  background: var(--color-background-secondary);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.barrier-card-indicator {
  width: 4px;
  flex-shrink: 0;
  background: var(--color-primary);
}

.barrier-card-content {
  flex: 1;
  padding: var(--spacing-6);
  text-align: center;
}

.barrier-card h4 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.barrier-card p {
  font-size: 0.875rem;
  margin-bottom: 0;
}

/* CTA Buttons */
.cta-buttons {
  display: flex;
  gap: var(--spacing-4);
  flex-wrap: wrap;
  margin-top: var(--spacing-8);
}

/* Action Cards */
.action-card {
  display: flex;
  background: var(--color-background);
  border: 1px solid var(--color-border-blue);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-6);
  transition: box-shadow var(--transition-fast), transform var(--transition-fast);
}

.action-card:hover {
  box-shadow: var(--shadow-elevated);
  transform: translateY(-2px);
}

.action-card.highlight {
  background: var(--color-primary-ultra-light);
  border-color: var(--color-primary-light);
}

.action-card-indicator {
  width: 4px;
  flex-shrink: 0;
  background: var(--color-primary);
}

.action-card-body {
  flex: 1;
  display: flex;
  gap: var(--spacing-6);
  padding: var(--spacing-8);
  align-items: flex-start;
}

.action-card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-ultra-light);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.action-card.highlight .action-card-icon {
  background: var(--color-primary);
}

.action-card.highlight .action-card-icon svg {
  color: white;
}

.action-card-icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-primary);
}

.action-card-content h2 {
  font-size: 1.125rem;
  margin: 0 0 var(--spacing-2) 0;
}

.action-card-content p {
  margin-bottom: var(--spacing-4);
}

.action-card-content .btn {
  margin-top: var(--spacing-2);
}

@media (max-width: 640px) {
  .action-card-body {
    flex-direction: column;
    align-items: center;
    text-align: center;
  }
}

/* Partner CTA */
.partner-cta {
  background: var(--color-primary-light);
  padding: var(--spacing-10);
  border-radius: var(--radius-xl);
  text-align: center;
  margin: var(--spacing-10) 0;
}

.partner-cta h2 {
  color: var(--color-text-primary) !important;
  margin: 0 0 var(--spacing-4) 0 !important;
}

.partner-cta p {
  color: var(--color-text-secondary) !important;
  margin-bottom: var(--spacing-6) !important;
}

.partner-cta .btn-primary {
  background: var(--color-primary) !important;
  color: white !important;
  box-shadow: 0 2px 8px rgba(0, 102, 204, 0.25) !important;
}

.partner-cta .btn-primary:hover {
  background: var(--color-primary-hover) !important;
  color: white !important;
}

/* Contact Accordions */
.contact-accordions {
  margin: var(--spacing-6) 0;
}

.contact-accordion-item {
  display: flex;
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  margin-bottom: var(--spacing-3);
  overflow: hidden;
}

.contact-accordion-indicator {
  width: 4px;
  flex-shrink: 0;
  background: transparent;
  transition: background var(--transition-fast);
}

.contact-accordion-item.open .contact-accordion-indicator {
  background: var(--color-primary);
}

.contact-accordion-main {
  flex: 1;
}

.contact-accordion-trigger {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-5) var(--spacing-6);
  background: none;
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  text-align: left;
  transition: background var(--transition-fast);
}

.contact-accordion-trigger:hover {
  background: var(--color-background-secondary);
}

.accordion-chevron {
  width: 20px;
  height: 20px;
  color: var(--color-text-tertiary);
  transition: transform var(--transition-fast);
  flex-shrink: 0;
}

.contact-accordion-item.open .accordion-chevron {
  transform: rotate(180deg);
}

.contact-accordion-item.open .contact-accordion-trigger {
  background: var(--color-primary-ultra-light);
  color: var(--color-primary);
}

.contact-accordion-content {
  display: none;
  padding: 0 var(--spacing-6) var(--spacing-5);
}

.contact-accordion-item.open .contact-accordion-content {
  display: block;
}

.contact-accordion-content ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-accordion-content li {
  padding: var(--spacing-2) 0 var(--spacing-2) var(--spacing-5);
  position: relative;
  color: var(--color-text-secondary);
}

.contact-accordion-content li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.875rem;
  width: 6px;
  height: 6px;
  background: var(--color-primary);
  border-radius: 50%;
}

/* Contact Card */
.contact-card {
  background: var(--color-primary-ultra-light);
  padding: var(--spacing-8);
  border-radius: var(--radius-xl);
  margin: var(--spacing-8) 0;
}

.contact-card h2 {
  margin-top: 0 !important;
}

.contact-email {
  font-size: 1.125rem !important;
}

.contact-email a {
  color: var(--color-primary);
  font-weight: 600;
}

/* Contact Form */
.contact-form {
  margin-top: var(--spacing-6);
}

.form-group {
  margin-bottom: var(--spacing-5);
}

.form-group label {
  display: block;
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.form-group .required {
  color: var(--color-error);
}

.form-group .optional {
  font-weight: 400;
  color: var(--color-text-tertiary);
  font-size: 0.875rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: var(--spacing-3) var(--spacing-4);
  font-size: 1rem;
  font-family: var(--font-family);
  color: var(--color-text-primary);
  background: var(--color-background);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

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

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-disabled);
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2'%3E%3Cpolyline points='6,9 12,15 18,9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--spacing-3) center;
  padding-right: var(--spacing-10);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

/* Captcha */
.captcha-group {
  background: var(--color-background);
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}

.captcha-challenge {
  display: flex;
  align-items: center;
  gap: var(--spacing-4);
  margin-top: var(--spacing-2);
}

.captcha-question {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: var(--spacing-2) var(--spacing-4);
  border-radius: var(--radius-md);
  white-space: nowrap;
}

.captcha-challenge input {
  max-width: 120px;
}

.captcha-hint {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  margin-top: var(--spacing-2);
  margin-bottom: 0 !important;
}

/* Checkbox */
.checkbox-group {
  margin-top: var(--spacing-6);
}

.checkbox-label {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-3);
  cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
  width: 20px;
  height: 20px;
  margin-top: 2px;
  flex-shrink: 0;
  cursor: pointer;
  accent-color: var(--color-primary);
}

.checkbox-text {
  font-size: 0.875rem;
  font-weight: 400;
  color: var(--color-text-secondary);
  line-height: 1.5;
}

/* Form Actions */
.form-actions {
  margin-top: var(--spacing-6);
}

.form-actions .btn {
  width: 100%;
  padding: var(--spacing-4);
  font-size: 1rem;
}

.form-actions .btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* Form Status */
.form-status {
  margin-top: var(--spacing-4);
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
  text-align: center;
  font-weight: 500;
}

.form-status.success {
  background: var(--color-success-light);
  color: var(--color-success);
}

.form-status.error {
  background: var(--color-error-light);
  color: var(--color-error);
}

.form-status.hidden {
  display: none;
}

.contact-alternative {
  margin-top: var(--spacing-6);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--color-border);
  text-align: center;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
}

.contact-alternative a {
  color: var(--color-primary);
  font-weight: 600;
}

/* Legal Section */
.legal-section {
  background: var(--color-background-secondary);
}

.legal-meta {
  background: var(--color-background);
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-6);
}

.legal-meta p {
  margin: 0;
  font-size: 0.875rem;
}

.legal-section h2 {
  font-size: 1.25rem;
  padding-top: var(--spacing-4);
  border-top: 1px solid var(--color-border);
}

.legal-section h2:first-of-type {
  border-top: none;
  padding-top: 0;
}

.legal-section ul {
  list-style: disc;
  padding-left: var(--spacing-6);
  margin: var(--spacing-3) 0;
}

.legal-section li {
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2);
  line-height: 1.7;
}

/* Accordion */
.accordion-item {
  border-bottom: 1px solid var(--color-border-light);
}

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

.accordion-trigger {
  width: 100%;
  padding: var(--spacing-4) var(--spacing-6);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: transparent;
  border: none;
  cursor: pointer;
  font-family: var(--font-family);
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-primary);
  text-align: left;
  transition: background var(--transition-fast);
}

.accordion-trigger:hover {
  background: var(--color-background-secondary);
}

.accordion-trigger .icon {
  width: 1.25rem;
  height: 1.25rem;
  color: var(--color-text-tertiary);
  transition: transform var(--transition-fast);
}

/* Stage Progression */
.stage-progression {
  padding: var(--spacing-12) 0;
  background: var(--color-background-secondary);
}

.stage-progression .container {
  max-width: 900px;
}

.stage-progression .section-header {
  margin-bottom: var(--spacing-8);
}

.stage-progression .section-header h2 {
  font-size: 1.5rem;
}

.stage-progression .section-header p {
  font-size: 1rem;
  max-width: 600px;
}

.stage-progression.hidden {
  display: none;
}

/* Footer */
.footer {
  background: var(--color-background-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-12) 0 var(--spacing-8);
}

.disclaimer {
  max-width: 800px;
  margin: 0 auto var(--spacing-8);
  text-align: center;
  background: var(--color-background);
  padding: var(--spacing-8);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-sm);
}

.disclaimer h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-4);
}

.disclaimer p {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  line-height: 1.75;
  margin-bottom: var(--spacing-3);
}

.footer-links {
  text-align: center;
  margin-bottom: var(--spacing-6);
  font-size: 0.875rem;
}

.footer-links a {
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-links .link-divider {
  color: var(--color-text-tertiary);
  margin: 0 var(--spacing-2);
}

.footer-bottom {
  text-align: center;
  padding-top: var(--spacing-6);
}

.footer-bottom p {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  margin-bottom: var(--spacing-2);
}

/* No Screenings */
.no-screenings {
  text-align: center;
  padding: var(--spacing-8);
  background: var(--color-background);
  border-radius: var(--radius-xl);
  color: var(--color-text-secondary);
}

.no-screenings.hidden {
  display: none;
}

/* Utility */
.hidden {
  display: none !important;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.screening-card {
  animation: fadeInUp 0.4s ease-out backwards;
}

.screening-card:nth-child(1) { animation-delay: 0s; }
.screening-card:nth-child(2) { animation-delay: 0.1s; }
.screening-card:nth-child(3) { animation-delay: 0.15s; }
.screening-card:nth-child(4) { animation-delay: 0.2s; }
.screening-card:nth-child(5) { animation-delay: 0.25s; }

/* Cancer Type Selector */
.cancer-type-selector {
  margin-bottom: var(--spacing-8);
}

.selector-label {
  text-align: center;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-3);
}

.cancer-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  justify-content: center;
}

.cancer-btn {
  padding: var(--spacing-2) var(--spacing-4);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-family);
  background: var(--color-background);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.cancer-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.cancer-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Stage Visualization */
.stage-visualization {
  background: var(--color-background);
  border-radius: var(--radius-xl);
  padding: var(--spacing-8);
  box-shadow: var(--shadow-card);
  border: 1px solid var(--color-border-blue);
}

/* Person Grid */
.person-grid {
  display: grid;
  grid-template-columns: repeat(10, 1fr);
  gap: var(--spacing-1);
  margin-bottom: var(--spacing-5);
  max-width: 340px;
  margin-left: auto;
  margin-right: auto;
}

.person-icon {
  width: 100%;
  aspect-ratio: 1;
  transition: all 0.3s ease;
}

.person-icon.alive {
  color: var(--color-success);
}

.person-icon.deceased {
  color: var(--color-error);
  opacity: 0.7;
}

/* Stage Stats */
.stage-stats {
  text-align: center;
  margin-bottom: var(--spacing-6);
}

.stage-stats h3 {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-4);
}

.stats-row {
  display: flex;
  justify-content: center;
  gap: var(--spacing-8);
}

.stat-box {
  text-align: center;
}

.stat-number {
  display: block;
  font-size: 2rem;
  font-weight: 700;
}

.stat-box.survival .stat-number {
  color: var(--color-success);
}

.stat-box.mortality .stat-number {
  color: var(--color-error);
}

.stat-label {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

/* Cost Section */
.cost-section {
  background: var(--color-background-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-6);
  margin-bottom: var(--spacing-6);
  text-align: center;
}

.cost-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-3);
}

.cost-icon {
  width: 1.5rem;
  height: 1.5rem;
  color: var(--color-primary);
}

.cost-header h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text-primary);
  margin: 0;
}

.cost-amount {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: var(--spacing-3);
}

.cost-comparison {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-4);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-bottom: var(--spacing-2);
}

.cost-comparison .arrow {
  color: var(--color-text-tertiary);
}

.cost-note {
  font-size: 0.8125rem;
  color: var(--color-text-tertiary);
  margin: 0;
}

/* Stage Buttons */
.stage-buttons {
  display: flex;
  justify-content: center;
  gap: var(--spacing-2);
  margin-bottom: var(--spacing-6);
}

.stage-btn {
  padding: var(--spacing-2) var(--spacing-5);
  font-size: 0.875rem;
  font-weight: 500;
  font-family: var(--font-family);
  background: var(--color-background);
  color: var(--color-text-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}

.stage-btn:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.stage-btn.active {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Stage Message */
.stage-message {
  text-align: center;
  padding: var(--spacing-4);
  background: var(--color-primary-ultra-light);
  border-radius: var(--radius-md);
}

.message-title {
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: var(--spacing-1);
}

.message-text {
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin: 0;
}

/* Sources */
.sources {
  margin-top: var(--spacing-6);
  padding-top: var(--spacing-6);
  border-top: 1px solid var(--color-border);
  font-size: 0.75rem;
  color: var(--color-text-tertiary);
  text-align: center;
  font-weight: 700;
}

.sources p {
  margin-bottom: var(--spacing-2);
}

/* Screening CTA */
.screening-cta {
  background: var(--color-background-secondary);
  padding: var(--spacing-8);
  border-radius: var(--radius-xl);
  text-align: center;
  margin: var(--spacing-8) 0;
}

.screening-cta h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text-primary);
  margin-bottom: var(--spacing-2);
}

.screening-cta p {
  margin-bottom: var(--spacing-4);
}

.screening-cta .btn-primary,
.cta-buttons .btn-primary {
  color: white !important;
}

.content-section .partner-cta .btn-primary {
  background: var(--color-primary) !important;
  color: white !important;
  box-shadow: 0 2px 8px rgba(0, 102, 204, 0.25) !important;
}

/* Privacy Note */
.privacy-note {
  background: var(--color-background-tertiary);
  padding: var(--spacing-4);
  border-radius: var(--radius-md);
}

.privacy-note p {
  margin: 0;
  font-size: 0.875rem;
}

/* Contact Note */
.contact-note {
  font-size: 0.875rem !important;
  color: var(--color-text-tertiary) !important;
}

/* Announcement Bar */
.announcement-bar {
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-primary-hover) 100%);
  color: white;
  padding: var(--spacing-2) var(--spacing-4);
  text-align: center;
}

.announcement-bar p {
  margin: 0;
  font-size: 0.875rem;
  font-weight: 500;
}

.announcement-bar strong {
  font-weight: 700;
}

/* Print Styles */
@media print {
  .header,
  .input-section,
  .stage-buttons,
  .cancer-buttons,
  .announcement-bar {
    display: none;
  }

  .results-section,
  .stage-progression {
    display: block !important;
  }
}