/* ============================================
   SLEEP APNEA TRAFFIC LIGHT (수면무호흡 신호등)
   STOP-BANG Self-Screening Tool
   Theme: White & Blue + Traffic Light Colors
   ============================================ */
/* --- CSS Variables & Design Tokens --- */
:root {
  /* Primary Palette */
  --color-primary:       #1565C0;
  --color-primary-dark:  #0D47A1;
  --color-primary-light: #42A5F5;
  --color-primary-ultra: #E3F2FD;
  /* Traffic Light Colors */
  --color-green:  #2E7D32;
  --color-green-light: #A5D6A7;
  --color-green-glow:  rgba(46, 125, 50, 0.5);
  --color-yellow: #F9A825;
  --color-yellow-light: #FFF176;
  --color-yellow-glow: rgba(249, 168, 37, 0.5);
  --color-red:    #C62828;
  --color-red-light:  #EF9A9A;
  --color-red-glow:   rgba(198, 40, 40, 0.5);
  /* Neutrals */
  --color-white:  #FFFFFF;
  --color-bg:     #F8FBFF;
  --color-surface: #FFFFFF;
  --color-border: #DDEEFF;
  --color-text:   #1A2D4E;
  --color-text-secondary: #5A7A9A;
  --color-text-muted: #8AABBF;
  /* Shadows */
  --shadow-sm: 0 2px 8px rgba(21, 101, 192, 0.08);
  --shadow-md: 0 8px 32px rgba(21, 101, 192, 0.12);
  --shadow-lg: 0 16px 64px rgba(21, 101, 192, 0.18);
  --shadow-xl: 0 24px 80px rgba(21, 101, 192, 0.22);
  /* Typography */
  --font-sans: 'Noto Sans KR', 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;
  /* Spacing */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  /* Radius */
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 32px;
  --radius-full: 9999px;
  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 300ms ease;
  --transition-slow: 500ms ease;
  --transition-spring: 400ms cubic-bezier(0.34, 1.56, 0.64, 1);
}
/* --- Reset & Base --- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button { cursor: pointer; border: none; outline: none; font-family: inherit; }
input, select { font-family: inherit; outline: none; }
a { text-decoration: none; color: inherit; }
/* --- Typography --- */
h1, h2, h3, h4 { line-height: 1.25; font-weight: 700; letter-spacing: -0.02em; }
h1 { font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl)); }
h2 { font-size: clamp(var(--font-size-2xl), 3.5vw, var(--font-size-4xl)); }
h3 { font-size: clamp(var(--font-size-xl), 2.5vw, var(--font-size-3xl)); }
h4 { font-size: var(--font-size-xl); }
/* --- Layout Containers --- */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 var(--space-6);
}
.container-sm { max-width: 780px; margin: 0 auto; padding: 0 var(--space-6); }
/* --- Utility Classes --- */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-muted { color: var(--color-text-secondary); }
.hidden { display: none !important; }
.flex { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mb-4 { margin-bottom: var(--space-4); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; }
/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(21, 101, 192, 0.1);
  transition: box-shadow var(--transition-base);
}
.navbar.scrolled { box-shadow: var(--shadow-md); }
.navbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 70px;
  padding: 0 var(--space-6);
  max-width: 1180px;
  margin: 0 auto;
}
.navbar-logo {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.navbar-logo .logo-icon {
  width: 40px; height: 40px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 20px;
  box-shadow: 0 4px 12px rgba(21, 101, 192, 0.3);
}
.navbar-logo .logo-text { font-size: var(--font-size-lg); font-weight: 700; color: var(--color-primary-dark); }
.navbar-logo .logo-sub  { font-size: var(--font-size-xs); color: var(--color-text-secondary); font-weight: 400; }
.navbar-cta {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  padding: 10px 22px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  transition: all var(--transition-base);
  box-shadow: 0 4px 12px rgba(21, 101, 192, 0.3);
}
.navbar-cta:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(21, 101, 192, 0.4); }
/* ============================================
   HERO SECTION
   ============================================ */
.hero {
  min-height: 100vh;
  background: linear-gradient(135deg, #0D47A1 0%, #1565C0 40%, #1976D2 70%, #42A5F5 100%);
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 70px;
}
/* Animated background blobs */
.hero-blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(60px);
  opacity: 0.3;
  pointer-events: none;
}
.hero-blob-1 {
  width: 500px; height: 500px;
  background: #42A5F5;
  top: -100px; right: -100px;
  animation: blobFloat 8s ease-in-out infinite;
}
.hero-blob-2 {
  width: 350px; height: 350px;
  background: #E3F2FD;
  bottom: -50px; left: -80px;
  animation: blobFloat 10s ease-in-out infinite reverse;
}
.hero-blob-3 {
  width: 200px; height: 200px;
  background: #BBDEFB;
  top: 40%; left: 40%;
  animation: blobFloat 6s ease-in-out infinite 2s;
}
.hero-content {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-12);
  align-items: center;
  padding: var(--space-20) 0;
}
.hero-left { color: white; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: var(--radius-full);
  padding: 8px 18px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: rgba(255,255,255,0.95);
  margin-bottom: var(--space-6);
  animation: fadeInDown 0.8s ease forwards;
}
.hero-badge .badge-dot {
  width: 8px; height: 8px;
  background: #69F0AE;
  border-radius: 50%;
  animation: pulseDot 2s ease-in-out infinite;
}
.hero-title {
  color: white;
  margin-bottom: var(--space-6);
  animation: fadeInLeft 0.9s ease forwards 0.1s;
  opacity: 0;
}
.hero-title .highlight {
  display: block;
  background: linear-gradient(90deg, #FFF176, #FFD740);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-description {
  color: rgba(255,255,255,0.85);
  font-size: var(--font-size-lg);
  line-height: 1.8;
  margin-bottom: var(--space-8);
  animation: fadeInLeft 0.9s ease forwards 0.2s;
  opacity: 0;
}
.hero-stats {
  display: flex;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
  animation: fadeInLeft 0.9s ease forwards 0.3s;
  opacity: 0;
}
.hero-stat {
  text-align: center;
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
}
.hero-stat-num {
  font-size: var(--font-size-2xl);
  font-weight: 800;
  color: #FFF176;
  display: block;
}
.hero-stat-label { font-size: var(--font-size-xs); color: rgba(255,255,255,0.75); }
.hero-cta-group {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  animation: fadeInLeft 0.9s ease forwards 0.4s;
  opacity: 0;
}
.btn-hero-primary {
  background: white;
  color: var(--color-primary-dark);
  padding: 16px 36px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-lg);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-spring);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.btn-hero-primary:hover {
  transform: translateY(-3px) scale(1.03);
  box-shadow: 0 12px 32px rgba(0,0,0,0.25);
}
.btn-hero-secondary {
  background: rgba(255,255,255,0.15);
  color: white;
  padding: 16px 32px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 600;
  border: 2px solid rgba(255,255,255,0.4);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: all var(--transition-base);
  backdrop-filter: blur(10px);
}
.btn-hero-secondary:hover { background: rgba(255,255,255,0.25); border-color: rgba(255,255,255,0.7); }
/* Hero Disclaimer */
.hero-disclaimer {
  margin-top: var(--space-4);
  font-size: var(--font-size-xs);
  color: rgba(255, 255, 255, 0.65);
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: var(--radius-md);
  padding: 10px 16px;
  line-height: 1.6;
  backdrop-filter: blur(6px);
}
/* Hero Right - Traffic Light Preview */
.hero-right {
  display: flex;
  justify-content: center;
  align-items: center;
  animation: fadeInRight 0.9s ease forwards 0.3s;
  opacity: 0;
}
.hero-traffic-preview {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
}
/* ============================================
   TRAFFIC LIGHT COMPONENT
   ============================================ */
.traffic-light-housing {
  background: linear-gradient(180deg, #1a1a2e 0%, #16213e 100%);
  border-radius: 40px;
  padding: 24px 20px;
  width: 130px;
  display: flex;
  flex-direction: column;
  gap: 16px;
  box-shadow:
    0 0 0 4px #0f3460,
    0 20px 60px rgba(0,0,0,0.5),
    inset 0 2px 4px rgba(255,255,255,0.05);
  position: relative;
}
.traffic-light-housing::before {
  content: '';
  position: absolute;
  top: -16px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 20px;
  background: #1a1a2e;
  border-radius: 4px 4px 0 0;
}
.traffic-light-housing::after {
  content: '';
  position: absolute;
  top: -28px; left: 50%; transform: translateX(-50%);
  width: 4px; height: 14px;
  background: #1a1a2e;
}
.traffic-light-lens {
  width: 80px; height: 80px;
  border-radius: 50%;
  margin: 0 auto;
  transition: all 0.6s ease;
  position: relative;
  cursor: pointer;
}
.traffic-light-lens::after {
  content: '';
  position: absolute;
  top: 12px; left: 16px;
  width: 20px; height: 14px;
  background: rgba(255,255,255,0.15);
  border-radius: 50%;
  transform: rotate(-30deg);
}
/* OFF State */
.traffic-light-lens.off-red    { background: radial-gradient(circle at 35% 35%, #5a1a1a, #2d0d0d); box-shadow: inset 0 4px 12px rgba(0,0,0,0.5); }
.traffic-light-lens.off-yellow { background: radial-gradient(circle at 35% 35%, #4a3a0d, #221a06); box-shadow: inset 0 4px 12px rgba(0,0,0,0.5); }
.traffic-light-lens.off-green  { background: radial-gradient(circle at 35% 35%, #0d3a1a, #071a0d); box-shadow: inset 0 4px 12px rgba(0,0,0,0.5); }
/* ON States */
.traffic-light-lens.on-red {
  background: radial-gradient(circle at 35% 35%, #FF5252, #C62828);
  box-shadow: 0 0 40px rgba(198,40,40,0.8), 0 0 80px rgba(198,40,40,0.4), inset 0 -4px 8px rgba(0,0,0,0.3);
  animation: glowPulse 1.5s ease-in-out infinite;
}
.traffic-light-lens.on-yellow {
  background: radial-gradient(circle at 35% 35%, #FFD740, #F9A825);
  box-shadow: 0 0 40px rgba(249,168,37,0.8), 0 0 80px rgba(249,168,37,0.4), inset 0 -4px 8px rgba(0,0,0,0.2);
  animation: glowPulseSlow 2s ease-in-out infinite;
}
.traffic-light-lens.on-green {
  background: radial-gradient(circle at 35% 35%, #69F0AE, #2E7D32);
  box-shadow: 0 0 40px rgba(46,125,50,0.8), 0 0 80px rgba(46,125,50,0.4), inset 0 -4px 8px rgba(0,0,0,0.3);
  animation: glowPulse 1.8s ease-in-out infinite;
}
.traffic-light-stand {
  width: 8px; height: 50px;
  background: linear-gradient(180deg, #1a1a2e, #0f1020);
  border-radius: 4px;
  margin: 0 auto;
}
.traffic-light-base {
  width: 80px; height: 12px;
  background: linear-gradient(180deg, #1a1a2e, #0f1020);
  border-radius: 6px;
  margin: 0 auto;
}
/* Hero preview size */
.hero-traffic-preview .traffic-light-housing {
  width: 120px; padding: 20px 16px; gap: 14px;
}
.hero-traffic-preview .traffic-light-lens {
  width: 72px; height: 72px;
}
.hero-preview-label {
  color: white;
  text-align: center;
  font-size: var(--font-size-sm);
  opacity: 0.85;
  font-weight: 500;
}
.hero-preview-card {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.hero-preview-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, #42A5F5, #FFF176, #69F0AE);
}
/* ============================================
   SECTION COMMON
   ============================================ */
.section { padding: var(--space-20) 0; }
.section-alt { background: var(--color-primary-ultra); }
.section-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: var(--color-primary-ultra);
  color: var(--color-primary);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-full);
  padding: 6px 16px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  margin-bottom: var(--space-4);
}
.section-title { color: var(--color-text); margin-bottom: var(--space-4); }
.section-subtitle { color: var(--color-text-secondary); font-size: var(--font-size-lg); line-height: 1.7; }
/* ============================================
   RISK CALCULATOR FORM
   ============================================ */
.calculator-section {
  background: var(--color-bg);
  padding: var(--space-20) 0;
}
.calculator-wrapper {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  max-width: 780px;
  margin: 0 auto;
}
/* Progress Bar */
.calc-progress-header {
  background: linear-gradient(135deg, var(--color-primary-dark), var(--color-primary));
  padding: var(--space-6) var(--space-8);
  color: white;
}
.calc-progress-top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-4);
}
.calc-progress-title { font-size: var(--font-size-lg); font-weight: 700; }
.calc-step-indicator { font-size: var(--font-size-sm); opacity: 0.8; }
.progress-track {
  background: rgba(255,255,255,0.2);
  border-radius: var(--radius-full);
  height: 6px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, #69F0AE, #FFF176);
  border-radius: var(--radius-full);
  transition: width var(--transition-slow);
}
/* Step Container */
.calc-body { padding: var(--space-8); }
.calc-step {
  display: none;
  animation: stepIn 0.4s cubic-bezier(0.34, 1.56, 0.64, 1) forwards;
}
.calc-step.active { display: block; }
.step-icon-wrapper {
  width: 64px; height: 64px;
  background: var(--color-primary-ultra);
  border-radius: var(--radius-lg);
  display: flex; align-items: center; justify-content: center;
  font-size: 28px;
  margin: 0 auto var(--space-4);
  border: 2px solid var(--color-border);
}
.step-question {
  font-size: var(--font-size-xl);
  font-weight: 700;
  color: var(--color-text);
  text-align: center;
  margin-bottom: var(--space-2);
}
.step-description {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
  text-align: center;
  margin-bottom: var(--space-6);
}
/* Choice Buttons */
.choice-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.choice-grid-3 { grid-template-columns: 1fr 1fr 1fr; }
.choice-grid-1 { grid-template-columns: 1fr; }
.choice-btn {
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4) var(--space-4);
  text-align: center;
  transition: all var(--transition-spring);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.choice-btn:hover {
  border-color: var(--color-primary-light);
  background: var(--color-primary-ultra);
  transform: translateY(-2px);
  box-shadow: var(--shadow-sm);
}
.choice-btn.selected {
  border-color: var(--color-primary);
  background: linear-gradient(135deg, var(--color-primary-ultra), #DDEEFF);
  box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.15);
}
.choice-btn.selected .choice-icon { transform: scale(1.1); }
.choice-btn::after {
  content: '✓';
  position: absolute;
  top: 8px; right: 10px;
  font-size: 14px;
  color: var(--color-primary);
  opacity: 0;
  transition: opacity var(--transition-fast);
}
.choice-btn.selected::after { opacity: 1; }
.choice-icon { font-size: 28px; margin-bottom: var(--space-2); display: block; transition: transform var(--transition-spring); }
.choice-label { font-size: var(--font-size-sm); font-weight: 600; color: var(--color-text); display: block; }
.choice-sublabel { font-size: var(--font-size-xs); color: var(--color-text-muted); display: block; margin-top: 2px; }
/* BMI / Numeric Measurement Input */
.bmi-input-group {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-4);
}
.bmi-input-group.single-col { grid-template-columns: 1fr; max-width: 320px; margin: 0 auto var(--space-4); }
.bmi-field label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}
.bmi-input-wrap {
  position: relative;
}
.bmi-input-wrap input {
  width: 100%;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 50px 14px 18px;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  transition: border-color var(--transition-fast);
}
.bmi-input-wrap input:focus { border-color: var(--color-primary); }
.bmi-input-wrap .unit {
  position: absolute;
  right: 14px; top: 50%; transform: translateY(-50%);
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-weight: 500;
}
.bmi-result, .measure-result {
  background: linear-gradient(135deg, var(--color-primary-ultra), #DDEEFF);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  text-align: center;
  margin-bottom: var(--space-4);
  display: none;
}
.bmi-result.visible, .measure-result.visible { display: block; }
.bmi-result-num, .measure-result-num {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-primary);
}
.bmi-result-category, .measure-result-category {
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-secondary);
}
/* Nav buttons */
.calc-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
}
.btn-prev {
  background: transparent;
  color: var(--color-text-secondary);
  padding: 12px 24px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 600;
  border: 2px solid var(--color-border);
  transition: all var(--transition-base);
  display: inline-flex; align-items: center; gap: var(--space-2);
}
.btn-prev:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-ultra); }
.btn-prev:disabled { opacity: 0.3; pointer-events: none; }
.btn-next {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  padding: 14px 32px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 700;
  transition: all var(--transition-spring);
  box-shadow: 0 4px 16px rgba(21, 101, 192, 0.3);
  display: inline-flex; align-items: center; gap: var(--space-2);
}
.btn-next:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(21, 101, 192, 0.4); }
.btn-next:disabled { opacity: 0.4; pointer-events: none; transform: none; }
.btn-submit {
  background: linear-gradient(135deg, #1B5E20, #2E7D32, #43A047);
  color: white;
  padding: 16px 40px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-lg);
  font-weight: 700;
  transition: all var(--transition-spring);
  box-shadow: 0 4px 16px rgba(46, 125, 50, 0.4);
  display: inline-flex; align-items: center; gap: var(--space-2);
}
.btn-submit:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(46, 125, 50, 0.5); }
/* ============================================
   RESULT SECTION
   ============================================ */
.result-section {
  display: block;
  padding: var(--space-20) 0;
  background: var(--color-bg);
  visibility: hidden;
  height: 0;
  overflow: hidden;
  opacity: 0;
  transition: opacity 0.5s ease;
}
.result-section.visible {
  visibility: visible;
  height: auto;
  overflow: visible;
  opacity: 1;
}
.result-wrapper {
  background: var(--color-surface);
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-xl);
  overflow: hidden;
  border: 1px solid var(--color-border);
  max-width: 820px;
  margin: 0 auto;
}
.result-header {
  padding: var(--space-8);
  text-align: center;
  position: relative;
  overflow: hidden;
}
.result-header.green  { background: linear-gradient(135deg, #1B5E20, #2E7D32, #388E3C); }
.result-header.yellow { background: linear-gradient(135deg, #E65100, #F57C00, #F9A825); }
.result-header.red    { background: linear-gradient(135deg, #7B1818, #C62828, #E53935); }
.result-header-particles {
  position: absolute; inset: 0; pointer-events: none; overflow: hidden;
}
.result-header-title {
  font-size: var(--font-size-2xl);
  color: rgba(255,255,255,0.85);
  font-weight: 500;
  margin-bottom: var(--space-2);
}
.result-header-status {
  font-size: clamp(2.5rem, 6vw, 4rem);
  font-weight: 900;
  color: white;
  letter-spacing: -0.02em;
}
.result-score-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.2);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-full);
  padding: 8px 20px;
  font-size: var(--font-size-base);
  font-weight: 600;
  color: white;
  margin-top: var(--space-4);
}
/* Traffic Light Display in Result */
.result-traffic-light-display {
  display: flex;
  justify-content: center;
  padding: var(--space-8);
  background: linear-gradient(180deg, rgba(0,0,0,0.05), transparent);
}
/* Result Body */
.result-body { padding: var(--space-6) var(--space-8); }
.result-message-card {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  border-left: 4px solid var(--color-primary);
}
.result-message-card.green  { border-left-color: var(--color-green); background: #F1F8E9; }
.result-message-card.yellow { border-left-color: var(--color-yellow); background: #FFFDE7; }
.result-message-card.red    { border-left-color: var(--color-red); background: #FFEBEE; }
.result-message-label {
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-secondary);
  margin-bottom: var(--space-2);
}
.result-message-text {
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.6;
}
/* Score Breakdown */
.score-breakdown {
  margin-bottom: var(--space-6);
}
.score-breakdown-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  display: flex; align-items: center; gap: var(--space-2);
}
.score-items { display: flex; flex-direction: column; gap: var(--space-3); }
.score-item {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-3) var(--space-4);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
}
.score-item-icon { font-size: 18px; flex-shrink: 0; }
.score-item-label { flex: 1; font-size: var(--font-size-sm); color: var(--color-text-secondary); }
.score-item-value {
  font-size: var(--font-size-sm);
  font-weight: 700;
  color: var(--color-text);
}
.score-item-pts {
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 3px 8px;
  border-radius: var(--radius-full);
  background: var(--color-primary-ultra);
  color: var(--color-primary);
}
.score-item-pts.pts-0 { background: #F5F5F5; color: #9E9E9E; }
/* Recommendations */
.recommendations {
  margin-bottom: var(--space-6);
}
.recommendations-title {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: var(--space-4);
  display: flex; align-items: center; gap: var(--space-2);
}
.recommendation-list { display: flex; flex-direction: column; gap: var(--space-3); }
.recommendation-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  padding: var(--space-4);
  background: var(--color-bg);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}
.recommendation-item:hover { border-color: var(--color-primary-light); background: var(--color-primary-ultra); }
.rec-icon {
  width: 36px; height: 36px;
  border-radius: var(--radius-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.rec-icon.green  { background: #E8F5E9; }
.rec-icon.yellow { background: #FFF8E1; }
.rec-icon.red    { background: #FFEBEE; }
.rec-icon.blue   { background: var(--color-primary-ultra); }
.rec-text { font-size: var(--font-size-sm); color: var(--color-text); line-height: 1.6; }
.rec-text strong { color: var(--color-primary-dark); }
/* Expert Disclaimer Note (inside result) */
.expert-note {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background: #FFF8E1;
  border: 1px solid #FFE082;
  border-radius: var(--radius-md);
  padding: var(--space-4);
  margin-bottom: var(--space-6);
}
.expert-note .note-icon { font-size: 20px; flex-shrink: 0; }
.expert-note .note-text { font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: 1.7; }
.expert-note .note-text strong { color: var(--color-text); }
/* Result Actions */
.result-actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
  padding: var(--space-6) var(--space-8);
  border-top: 1px solid var(--color-border);
  background: var(--color-bg);
}
.btn-result-primary {
  flex: 1;
  min-width: 180px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: white;
  padding: 16px 28px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 700;
  text-align: center;
  transition: all var(--transition-spring);
  box-shadow: 0 4px 16px rgba(21, 101, 192, 0.3);
}
.btn-result-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(21, 101, 192, 0.4); }
.btn-result-secondary {
  flex: 1;
  min-width: 140px;
  background: transparent;
  color: var(--color-text-secondary);
  padding: 16px 28px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-base);
  font-weight: 600;
  text-align: center;
  border: 2px solid var(--color-border);
  transition: all var(--transition-base);
}
.btn-result-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); background: var(--color-primary-ultra); }
/* ============================================
   TRUST SECTION
   ============================================ */
.trust-section { padding: var(--space-16) 0; background: white; }
.trust-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}
.trust-card {
  text-align: center;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  transition: all var(--transition-base);
}
.trust-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--color-primary-light); }
.trust-icon {
  width: 56px; height: 56px;
  background: linear-gradient(135deg, var(--color-primary-ultra), #DDEEFF);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin: 0 auto var(--space-3);
  border: 1px solid var(--color-border);
}
.trust-num { font-size: var(--font-size-2xl); font-weight: 800; color: var(--color-primary); display: block; }
.trust-label { font-size: var(--font-size-sm); color: var(--color-text-secondary); font-weight: 500; }
/* ============================================
   FEATURES SECTION
   ============================================ */
.features-section { padding: var(--space-20) 0; background: var(--color-primary-ultra); }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
  margin-top: var(--space-12);
}
.feature-card {
  background: white;
  border-radius: var(--radius-lg);
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  transition: all var(--transition-spring);
  position: relative;
  overflow: hidden;
}
.feature-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
}
.feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.feature-icon {
  width: 52px; height: 52px;
  background: var(--color-primary-ultra);
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 24px;
  margin-bottom: var(--space-4);
  border: 1px solid var(--color-border);
}
.feature-title { font-size: var(--font-size-xl); font-weight: 700; margin-bottom: var(--space-2); color: var(--color-text); }
.feature-desc { font-size: var(--font-size-sm); color: var(--color-text-secondary); line-height: 1.7; }
/* ============================================
   LEAD GEN / CTA SECTION
   ============================================ */
.leadgen-section {
  padding: var(--space-20) 0;
  background: linear-gradient(135deg, #0D47A1 0%, #1565C0 50%, #1976D2 100%);
  position: relative;
  overflow: hidden;
}
.leadgen-section::before {
  content: '';
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: rgba(66, 165, 245, 0.15);
  border-radius: 50%;
  pointer-events: none;
}
.leadgen-section::after {
  content: '';
  position: absolute;
  bottom: -150px; left: -150px;
  width: 400px; height: 400px;
  background: rgba(255,255,255,0.05);
  border-radius: 50%;
  pointer-events: none;
}
.leadgen-content {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 680px;
  margin: 0 auto;
}
.leadgen-title { color: white; margin-bottom: var(--space-4); }
.leadgen-sub { color: rgba(255,255,255,0.8); font-size: var(--font-size-lg); margin-bottom: var(--space-8); line-height: 1.7; }
.leadgen-form {
  background: rgba(255,255,255,0.1);
  backdrop-filter: blur(20px);
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  max-width: 520px;
  margin: 0 auto;
}
.leadgen-input-group {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.leadgen-input {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  color: white;
  font-size: var(--font-size-base);
  width: 100%;
  transition: all var(--transition-fast);
}
.leadgen-input::placeholder { color: rgba(255,255,255,0.6); }
.leadgen-input:focus { background: rgba(255,255,255,0.25); border-color: rgba(255,255,255,0.6); box-shadow: 0 0 0 3px rgba(255,255,255,0.1); }
.leadgen-select {
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.3);
  border-radius: var(--radius-md);
  padding: 14px 20px;
  color: white;
  font-size: var(--font-size-base);
  width: 100%;
  transition: all var(--transition-fast);
  cursor: pointer;
}
.leadgen-select option { background: #1565C0; color: white; }
.leadgen-select:focus { border-color: rgba(255,255,255,0.6); }
.btn-leadgen {
  width: 100%;
  background: white;
  color: var(--color-primary-dark);
  padding: 16px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-lg);
  font-weight: 700;
  transition: all var(--transition-spring);
  box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}
.btn-leadgen:hover { transform: translateY(-3px) scale(1.02); box-shadow: 0 12px 32px rgba(0,0,0,0.25); }
.leadgen-benefits {
  display: flex;
  justify-content: center;
  gap: var(--space-4);
  flex-wrap: wrap;
  margin-top: var(--space-6);
}
.leadgen-benefit {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  color: rgba(255,255,255,0.8);
  font-size: var(--font-size-sm);
}
.leadgen-benefit .check { color: #69F0AE; font-size: 14px; }
/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: #0D1B2A;
  color: rgba(255,255,255,0.7);
  padding: var(--space-12) 0 var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-8);
  margin-bottom: var(--space-8);
  padding-bottom: var(--space-8);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer-brand .brand-name { font-size: var(--font-size-xl); font-weight: 700; color: white; margin-bottom: var(--space-2); }
.footer-brand .brand-desc { font-size: var(--font-size-sm); line-height: 1.7; margin-bottom: var(--space-4); }
.footer-col-title { font-size: var(--font-size-sm); font-weight: 700; color: white; margin-bottom: var(--space-4); text-transform: uppercase; letter-spacing: 0.06em; }
.footer-links { list-style: none; display: flex; flex-direction: column; gap: var(--space-3); }
.footer-links a { font-size: var(--font-size-sm); color: rgba(255,255,255,0.6); transition: color var(--transition-fast); }
.footer-links a:hover { color: white; }
.footer-bottom { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-4); }
.footer-bottom-text { font-size: var(--font-size-xs); }
.footer-disclaimer { font-size: var(--font-size-xs); color: rgba(255,255,255,0.4); max-width: 640px; }
.footer-references { font-size: var(--font-size-xs); color: rgba(255,255,255,0.35); max-width: 640px; margin-top: var(--space-2); line-height: 1.6; }
.footer-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-sm);
  padding: 6px 12px;
  font-size: var(--font-size-xs);
  color: rgba(255,255,255,0.7);
}
/* ============================================
   SCROLL TO TOP
   ============================================ */
.scroll-top {
  position: fixed;
  bottom: 30px; right: 30px;
  width: 48px; height: 48px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  color: white;
  font-size: 20px;
  box-shadow: var(--shadow-md);
  cursor: pointer;
  transition: all var(--transition-spring);
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  z-index: 999;
}
.scroll-top.visible { opacity: 1; pointer-events: auto; transform: translateY(0); }
.scroll-top:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
/* ============================================
   LOADING / CALCULATING OVERLAY
   ============================================ */
.calculating-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(13, 23, 42, 0.7);
  backdrop-filter: blur(8px);
  z-index: 9999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--space-6);
}
.calculating-overlay.active { display: flex; }
.calc-animation-box {
  background: white;
  border-radius: var(--radius-xl);
  padding: var(--space-12);
  text-align: center;
  box-shadow: var(--shadow-xl);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-4);
  min-width: 280px;
}
.calc-animation-title { font-size: var(--font-size-xl); font-weight: 700; color: var(--color-text); }
.calc-animation-sub { font-size: var(--font-size-sm); color: var(--color-text-secondary); }
.analyzing-bar {
  width: 200px;
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}
.analyzing-bar-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
  border-radius: var(--radius-full);
  animation: analyzeProgress 1.8s ease forwards;
}
/* Notification Toast */
.toast {
  position: fixed;
  bottom: 30px; left: 50%; transform: translateX(-50%) translateY(100px);
  background: var(--color-text);
  color: white;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  font-size: var(--font-size-sm);
  font-weight: 600;
  box-shadow: var(--shadow-lg);
  z-index: 10000;
  transition: transform 0.4s var(--transition-spring);
  white-space: nowrap;
}
.toast.show { transform: translateX(-50%) translateY(0); }
.toast.success { background: #2E7D32; }
.toast.error   { background: #C62828; }
/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .hero-content { grid-template-columns: 1fr; gap: var(--space-8); text-align: center; }
  .hero-right { order: -1; }
  .hero-stats { justify-content: center; }
  .hero-cta-group { justify-content: center; }
  .hero-traffic-preview .traffic-light-housing { width: 100px; padding: 16px 12px; gap: 12px; }
  .hero-traffic-preview .traffic-light-lens { width: 60px; height: 60px; }
  .features-grid { grid-template-columns: 1fr; }
  .choice-grid-3 { grid-template-columns: 1fr 1fr; }
  .bmi-input-group { grid-template-columns: 1fr; }
  .calc-nav { gap: var(--space-3); }
  .btn-next, .btn-submit { padding: 12px 24px; }
  .result-actions { flex-direction: column; }
  .leadgen-benefits { flex-direction: column; align-items: center; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 480px) {
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .choice-grid { grid-template-columns: 1fr 1fr; }
  .hero-stats { flex-wrap: wrap; }
  .navbar-logo .logo-sub { display: none; }
}
/* ============================================
   SLEEP CHECK EXTENSIONS
   (PSQI + STOP-BANG combined flow / clinic-lead-gen)
   ============================================ */
/* --- Module badge on each step (PSQI vs STOP-BANG) --- */
.module-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: var(--font-size-xs);
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}
.module-badge.psqi     { background: #E3F2FD; color: #1565C0; }
.module-badge.stopbang { background: #FFF3E0; color: #E65100; }
.module-badge .module-badge-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
/* --- 4-way frequency choice grid --- */
.choice-grid-4 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-bottom: var(--space-6);
}
.choice-btn.choice-btn-sm { padding: var(--space-3); }
.choice-btn.choice-btn-sm .choice-label { font-size: var(--font-size-sm); }
/* --- Time input (bedtime / waketime) --- */
.time-input-wrap input[type="time"] {
  width: 100%;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  font-size: var(--font-size-lg);
  font-weight: 600;
  color: var(--color-text);
  transition: border-color var(--transition-fast);
  max-width: 320px;
  margin: 0 auto;
  display: block;
}
.time-input-wrap input[type="time"]:focus { border-color: var(--color-primary); }
/* --- PSQI Q5 disturbance sub-item list --- */
.subitem-list { display: flex; flex-direction: column; gap: var(--space-3); margin-bottom: var(--space-4); }
.subitem-row {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
}
.subitem-row-label { font-size: var(--font-size-sm); font-weight: 600; color: var(--color-text); margin-bottom: var(--space-2); }
.subitem-choices { display: grid; grid-template-columns: repeat(4, 1fr); gap: 6px; }
.subitem-choice-btn {
  background: white;
  border: 1.5px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 8px 4px;
  text-align: center;
  font-size: 0.7rem;
  font-weight: 600;
  color: var(--color-text-secondary);
  transition: all var(--transition-fast);
  cursor: pointer;
  line-height: 1.3;
}
.subitem-choice-btn:hover { border-color: var(--color-primary-light); background: var(--color-primary-ultra); }
.subitem-choice-btn.selected { border-color: var(--color-primary); background: var(--color-primary); color: white; }
.subitem-progress { font-size: var(--font-size-xs); color: var(--color-text-muted); text-align: center; margin-bottom: var(--space-4); }
/* --- Combined overall result header supports blended gradient --- */
.result-header.overall-green  { background: linear-gradient(135deg, #1B5E20, #2E7D32, #388E3C); }
.result-header.overall-yellow { background: linear-gradient(135deg, #E65100, #F57C00, #F9A825); }
.result-header.overall-red    { background: linear-gradient(135deg, #7B1818, #C62828, #E53935); }
/* --- Sub-test mini result cards --- */
.subtest-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}
.subtest-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-4);
  text-align: center;
}
.subtest-card-title { font-size: var(--font-size-xs); font-weight: 700; color: var(--color-text-secondary); text-transform: uppercase; letter-spacing: 0.06em; margin-bottom: var(--space-2); }
.subtest-mini-light { display: flex; justify-content: center; margin-bottom: var(--space-2); }
.subtest-mini-lens {
  width: 34px; height: 34px;
  border-radius: 50%;
  margin: 0 4px;
}
.subtest-mini-housing { display: inline-flex; background: linear-gradient(180deg, #1a1a2e, #16213e); border-radius: 14px; padding: 8px; gap: 6px; }
.subtest-score { font-size: var(--font-size-2xl); font-weight: 800; color: var(--color-text); }
.subtest-score-unit { font-size: var(--font-size-xs); color: var(--color-text-muted); }
.subtest-label { font-size: var(--font-size-sm); font-weight: 700; margin-top: 2px; }
.subtest-label.green  { color: var(--color-green); }
.subtest-label.yellow { color: #B26A00; }
.subtest-label.red    { color: var(--color-red); }
/* --- Region / Clinic recommendation --- */
.clinic-section {
  background: var(--color-bg);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  margin-bottom: var(--space-6);
  border: 1px solid var(--color-border);
}
.clinic-section-title { font-size: var(--font-size-base); font-weight: 700; color: var(--color-text); margin-bottom: var(--space-4); display: flex; align-items: center; gap: var(--space-2); }
.region-select-group { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-3); margin-bottom: var(--space-4); }
.region-select-group select, .region-select-group input {
  width: 100%;
  background: white;
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 12px 16px;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text);
}
.clinic-card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
  display: none;
  gap: var(--space-3);
  align-items: flex-start;
}
.clinic-card.visible { display: flex; }
.clinic-card-icon {
  width: 44px; height: 44px;
  border-radius: var(--radius-sm);
  background: var(--color-primary-ultra);
  display: flex; align-items: center; justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}
.clinic-card-name { font-weight: 700; color: var(--color-text); margin-bottom: 2px; }
.clinic-card-meta { font-size: var(--font-size-xs); color: var(--color-text-secondary); margin-bottom: 4px; }
.clinic-card-tagline { font-size: var(--font-size-xs); color: var(--color-primary); font-weight: 600; }
.clinic-card-link {
  display: inline-block;
  margin-top: var(--space-2);
  font-size: var(--font-size-xs);
  font-weight: 700;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
}
.clinic-empty-note { font-size: var(--font-size-sm); color: var(--color-text-muted); text-align: center; padding: var(--space-2) 0; }
/* --- Lead capture (result-page) --- */
.result-lead-section {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}
.result-lead-title { font-size: var(--font-size-base); font-weight: 700; color: var(--color-text); margin-bottom: var(--space-2); }
.result-lead-sub { font-size: var(--font-size-sm); color: var(--color-text-secondary); margin-bottom: var(--space-4); }
.result-lead-form { display: flex; flex-direction: column; gap: var(--space-3); }
.result-lead-form input[type="text"],
.result-lead-form input[type="tel"],
.result-lead-form input[type="email"] {
  width: 100%;
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 13px 16px;
  font-size: var(--font-size-sm);
  font-weight: 500;
  color: var(--color-text);
}
.result-lead-form input:focus { border-color: var(--color-primary); }
.consent-row { display: flex; align-items: flex-start; gap: var(--space-2); font-size: var(--font-size-xs); color: var(--color-text-secondary); line-height: 1.6; }
.consent-row input[type="checkbox"] { margin-top: 3px; flex-shrink: 0; width: 16px; height: 16px; accent-color: var(--color-primary); }
.consent-row a { color: var(--color-primary); text-decoration: underline; }
/* --- Progress toward top: overall step counter styling reuse of calc-progress --- */
.overall-badge-row { display: flex; gap: var(--space-3); flex-wrap: wrap; justify-content: center; margin-top: var(--space-3); }
@media (max-width: 640px) {
  .subitem-choices { grid-template-columns: repeat(2, 1fr); }
  .subtest-grid { grid-template-columns: 1fr; }
  .region-select-group { grid-template-columns: 1fr; }
  .choice-grid-4 { grid-template-columns: 1fr; }
}