/* ==========================================================================
   DONWR DESIGN SYSTEM & STYLESHEET
   Fintech Aesthetic: Navy/Slate Primary, Emerald/Mint Accents, Crisp Whites
   Pure CSS3 - Responsive, Accessible, Micro-animated
   ========================================================================== */

:root {
  /* Colors */
  --color-primary-900: #0a1128;
  --color-primary-800: #101c3d;
  --color-primary-700: #1c2a4a;
  --color-primary-600: #253860;
  --color-primary-500: #334b7a;

  --color-accent-mint: #10b981;
  --color-accent-mint-light: #34d399;
  --color-accent-mint-subtle: #ecfdf5;
  --color-accent-mint-dark: #059669;
  --color-accent-cyan: #06b6d4;

  --color-surface-bg: #f8fafc;
  --color-surface-card: #ffffff;
  --color-surface-muted: #f1f5f9;
  --color-surface-border: #e2e8f0;
  --color-surface-border-focus: #10b981;

  --color-text-main: #0f172a;
  --color-text-muted: #64748b;
  --color-text-light: #94a3b8;
  --color-text-inverse: #ffffff;

  --color-snowball-badge: #6366f1;
  --color-snowball-bg: #eef2ff;
  --color-avalanche-badge: #059669;
  --color-avalanche-bg: #ecfdf5;

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

  /* Elevations */
  --shadow-xs: 0 1px 2px rgba(15, 23, 42, 0.05);
  --shadow-sm: 0 2px 8px -2px rgba(15, 23, 42, 0.08);
  --shadow-md: 0 8px 24px -4px rgba(15, 23, 42, 0.08), 0 2px 6px -1px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 16px 36px -6px rgba(15, 23, 42, 0.12), 0 4px 12px -2px rgba(15, 23, 42, 0.04);
  --shadow-glow: 0 0 24px rgba(16, 185, 129, 0.25);

  /* Radius & Transitions */
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 9999px;
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 250ms cubic-bezier(0.16, 1, 0.3, 1);

  /* Layout */
  --container-max-width: 1200px;
}

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

html {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-text-main);
  background-color: var(--color-surface-bg);
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
}

img, svg {
  display: block;
  max-width: 100%;
}

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

button, input, select {
  font: inherit;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

/* Navigation Bar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 50;
  background-color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-surface-border);
  transition: box-shadow var(--transition-fast);
}

.navbar .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 4.5rem;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  font-weight: 800;
  font-size: 1.45rem;
  letter-spacing: -0.03em;
  color: var(--color-primary-900);
}

.brand-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--color-accent-mint) 0%, var(--color-accent-cyan) 100%);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  font-size: 1.1rem;
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

.brand-icon svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

.nav-links {
  display: none;
  align-items: center;
  gap: 2rem;
  list-style: none;
}

@media (min-width: 820px) {
  .nav-links {
    display: flex;
  }
}

.nav-links a {
  color: var(--color-text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-fast);
}

.nav-links a:hover {
  color: var(--color-primary-900);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.75rem 1.4rem;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-smooth);
  text-align: center;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: linear-gradient(135deg, var(--color-accent-mint) 0%, var(--color-accent-mint-dark) 100%);
  color: #ffffff;
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--color-accent-mint-light) 0%, var(--color-accent-mint) 100%);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.45);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: #ffffff;
  color: var(--color-primary-900);
  border-color: var(--color-surface-border);
}

.btn-secondary:hover {
  background-color: var(--color-surface-muted);
  border-color: var(--color-text-light);
}

.btn-outline-dark {
  background: transparent;
  color: var(--color-primary-900);
  border: 1.5px solid var(--color-primary-900);
}

.btn-outline-dark:hover {
  background-color: var(--color-primary-900);
  color: #ffffff;
}

.btn-lg {
  padding: 0.95rem 2rem;
  font-size: 1.05rem;
}

/* Hero Section */
.hero {
  position: relative;
  padding: 4.5rem 0 5rem;
  background: radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.08) 0%, transparent 60%),
              radial-gradient(circle at 10% 80%, rgba(6, 182, 212, 0.06) 0%, transparent 50%),
              var(--color-surface-bg);
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3.5rem;
  align-items: center;
}

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

.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: var(--color-accent-mint-subtle);
  color: var(--color-accent-mint-dark);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.35rem 0.85rem;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(16, 185, 129, 0.2);
  width: fit-content;
}

.badge-tag .pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--color-accent-mint);
  border-radius: 50%;
  box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7);
  animation: pulseDot 2s infinite;
}

@keyframes pulseDot {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

.hero h1 {
  font-size: 2.75rem;
  line-height: 1.15;
  font-weight: 800;
  color: var(--color-primary-900);
  letter-spacing: -0.035em;
}

@media (min-width: 768px) {
  .hero h1 {
    font-size: 3.6rem;
  }
}

.hero h1 .highlight {
  background: linear-gradient(135deg, var(--color-accent-mint) 0%, var(--color-accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subtitle {
  font-size: 1.18rem;
  line-height: 1.6;
  color: var(--color-text-muted);
  max-width: 560px;
}

.hero-cta-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 0.5rem;
}

@media (min-width: 480px) {
  .hero-cta-group {
    flex-direction: row;
    align-items: center;
  }
}

.trust-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--color-surface-border);
  margin-top: 1rem;
}

.stat-item h4 {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-primary-900);
  letter-spacing: -0.02em;
}

.stat-item p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-top: 0.15rem;
}

/* Hero Visual Card */
.hero-visual {
  position: relative;
}

.interactive-preview-card {
  background-color: var(--color-surface-card);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-surface-border);
  position: relative;
  z-index: 2;
}

.card-header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1.5rem;
}

.card-pill-status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--color-accent-mint-dark);
  background: var(--color-accent-mint-subtle);
  padding: 0.25rem 0.65rem;
  border-radius: var(--radius-pill);
}

.preview-debt-meter {
  background: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-800) 100%);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  color: #ffffff;
  margin-bottom: 1.25rem;
}

.preview-debt-meter .label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-light);
}

.preview-debt-meter .amount {
  font-size: 2.1rem;
  font-weight: 800;
  margin: 0.2rem 0 0.8rem;
  color: #ffffff;
}

.preview-progress-track {
  height: 8px;
  background-color: rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-pill);
  overflow: hidden;
  margin-bottom: 0.6rem;
}

.preview-progress-bar {
  height: 100%;
  width: 68%;
  background: linear-gradient(90deg, var(--color-accent-mint) 0%, var(--color-accent-cyan) 100%);
  border-radius: var(--radius-pill);
}

.preview-debt-meter .sub {
  display: flex;
  justify-content: space-between;
  font-size: 0.8rem;
  color: var(--color-accent-mint-light);
  font-weight: 600;
}

.preview-debt-items {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.debt-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem;
  background-color: var(--color-surface-bg);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-md);
  transition: transform var(--transition-fast);
}

.debt-row:hover {
  transform: translateX(4px);
  border-color: var(--color-accent-mint);
}

.debt-row-name {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary-900);
}

.debt-row-meta {
  font-size: 0.75rem;
  color: var(--color-text-muted);
}

.debt-row-tag {
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.5rem;
  border-radius: var(--radius-sm);
  background: #fef2f2;
  color: #ef4444;
}

.debt-row-tag.paid {
  background: var(--color-accent-mint-subtle);
  color: var(--color-accent-mint-dark);
}

/* Section Header */
.section-header {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 3.5rem;
}

.section-header .section-tag {
  font-size: 0.82rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent-mint-dark);
  margin-bottom: 0.5rem;
  display: block;
}

.section-header h2 {
  font-size: 2.2rem;
  font-weight: 800;
  color: var(--color-primary-900);
  line-height: 1.2;
  letter-spacing: -0.025em;
  margin-bottom: 0.85rem;
}

.section-header p {
  font-size: 1.05rem;
  color: var(--color-text-muted);
}

/* How It Works Section */
.how-it-works {
  padding: 5.5rem 0;
  background-color: #ffffff;
  border-top: 1px solid var(--color-surface-border);
  border-bottom: 1px solid var(--color-surface-border);
}

.steps-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  position: relative;
}

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

.step-card {
  background-color: var(--color-surface-bg);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem 1.75rem;
  position: relative;
  transition: all var(--transition-smooth);
}

.step-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(16, 185, 129, 0.4);
}

.step-number {
  position: absolute;
  top: -16px;
  left: 24px;
  width: 36px;
  height: 36px;
  background-color: var(--color-primary-900);
  color: #ffffff;
  font-weight: 800;
  font-size: 1rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(10, 17, 40, 0.25);
}

.step-card:nth-child(2) .step-number {
  background: linear-gradient(135deg, var(--color-accent-mint) 0%, var(--color-accent-mint-dark) 100%);
}

.step-card:nth-child(3) .step-number {
  background-color: var(--color-accent-cyan);
}

.step-icon-wrap {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background-color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--color-primary-900);
  box-shadow: var(--shadow-xs);
  border: 1px solid var(--color-surface-border);
}

.step-icon-wrap svg {
  width: 26px;
  height: 26px;
}

.step-card h3 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-primary-900);
  margin-bottom: 0.65rem;
}

.step-card p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Method Comparison Section */
.method-comparison {
  padding: 5.5rem 0;
  background-color: var(--color-surface-bg);
}

.comparison-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

@media (min-width: 860px) {
  .comparison-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.method-card {
  background-color: #ffffff;
  border: 1.5px solid var(--color-surface-border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  position: relative;
  transition: all var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

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

.method-card.snowball {
  border-top: 5px solid var(--color-snowball-badge);
}

.method-card.avalanche {
  border-top: 5px solid var(--color-accent-mint);
}

.method-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-pill);
  width: fit-content;
  margin-bottom: 1rem;
}

.method-card.snowball .method-pill {
  background: var(--color-snowball-bg);
  color: var(--color-snowball-badge);
}

.method-card.avalanche .method-pill {
  background: var(--color-avalanche-bg);
  color: var(--color-accent-mint-dark);
}

.method-card h3 {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--color-primary-900);
  margin-bottom: 0.35rem;
}

.method-tagline {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 1.25rem;
}

.method-formula {
  background: var(--color-surface-muted);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-primary-900);
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--color-primary-900);
}

.method-card.snowball .method-formula {
  border-left-color: var(--color-snowball-badge);
}

.method-card.avalanche .method-formula {
  border-left-color: var(--color-accent-mint);
}

.method-feature-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  margin-bottom: 2rem;
  flex-grow: 1;
}

.method-feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.65rem;
  font-size: 0.95rem;
  color: var(--color-text-main);
}

.check-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  margin-top: 3px;
  fill: var(--color-accent-mint);
}

.method-best-for {
  padding-top: 1.25rem;
  border-top: 1px solid var(--color-surface-border);
  font-size: 0.85rem;
  color: var(--color-text-muted);
}

.method-best-for strong {
  color: var(--color-primary-900);
}

/* Features Grid */
.features-section {
  padding: 5.5rem 0;
  background-color: #ffffff;
}

.features-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.75rem;
}

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

@media (min-width: 1024px) {
  .features-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.feature-box {
  background-color: var(--color-surface-bg);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-lg);
  padding: 2rem 1.5rem;
  transition: all var(--transition-smooth);
}

.feature-box:hover {
  transform: translateY(-4px);
  border-color: var(--color-accent-mint);
  box-shadow: var(--shadow-sm);
}

.feature-box-icon {
  width: 46px;
  height: 46px;
  border-radius: var(--radius-md);
  background-color: var(--color-accent-mint-subtle);
  color: var(--color-accent-mint-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.25rem;
}

.feature-box-icon svg {
  width: 24px;
  height: 24px;
}

.feature-box h4 {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--color-primary-900);
  margin-bottom: 0.5rem;
}

.feature-box p {
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--color-text-muted);
}

/* Bottom CTA Banner */
.cta-banner {
  padding: 5rem 0;
  background: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-800) 100%);
  color: #ffffff;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: "";
  position: absolute;
  top: -50%;
  left: 50%;
  transform: translateX(-50%);
  width: 600px;
  height: 400px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.25) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  margin: 0 auto;
}

.cta-banner h2 {
  font-size: 2.5rem;
  font-weight: 800;
  margin-bottom: 1rem;
  letter-spacing: -0.02em;
}

.cta-banner p {
  font-size: 1.1rem;
  color: var(--color-text-light);
  margin-bottom: 2rem;
  line-height: 1.6;
}

/* Footer */
.footer {
  background-color: #070d1e;
  color: #94a3b8;
  padding: 4rem 0 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-top {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  margin-bottom: 3.5rem;
}

@media (min-width: 768px) {
  .footer-top {
    grid-template-columns: 2fr 1fr 1fr 1fr;
  }
}

.footer-about .brand-logo {
  color: #ffffff;
  margin-bottom: 1rem;
}

.footer-about p {
  font-size: 0.9rem;
  line-height: 1.6;
  max-width: 320px;
  color: #94a3b8;
}

.footer-col h5 {
  color: #ffffff;
  font-size: 0.95rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-col ul a {
  color: #94a3b8;
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-col ul a:hover {
  color: var(--color-accent-mint);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.85rem;
  color: #64748b;
}

@media (min-width: 640px) {
  .footer-bottom {
    flex-direction: row;
  }
}

/* ==========================================================================
   QUIZ COMPONENT (MODAL & STANDALONE VIEW)
   Interactive step-by-step state management
   ========================================================================== */

/* Modal Backdrop */
.quiz-modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  background-color: rgba(10, 17, 40, 0.75);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.25rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-smooth), visibility var(--transition-smooth);
}

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

.quiz-container-box {
  background-color: #ffffff;
  width: 100%;
  max-width: 640px;
  border-radius: var(--radius-lg);
  box-shadow: 0 25px 50px -12px rgba(10, 17, 40, 0.35);
  border: 1px solid var(--color-surface-border);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  position: relative;
  transform: translateY(20px) scale(0.98);
  transition: transform var(--transition-smooth);
  max-height: 92vh;
}

.quiz-modal-backdrop.active .quiz-container-box {
  transform: translateY(0) scale(1);
}

/* Standalone Quiz Page Layout */
.quiz-page-wrapper {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: radial-gradient(circle at 50% 0%, rgba(16, 185, 129, 0.08) 0%, transparent 50%),
              var(--color-surface-bg);
}

.quiz-page-header {
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--color-surface-border);
  background-color: #ffffff;
}

.quiz-page-main {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2.5rem 1rem;
}

.quiz-page-card {
  width: 100%;
  max-width: 680px;
  background-color: #ffffff;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-surface-border);
  overflow: hidden;
}

/* Quiz Progress Bar & Header */
.quiz-top-bar {
  padding: 1.25rem 1.75rem 1rem;
  background-color: #ffffff;
  border-bottom: 1px solid var(--color-surface-border);
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.quiz-top-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.quiz-step-indicator {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-accent-mint-dark);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.quiz-close-btn {
  background: transparent;
  border: none;
  color: var(--color-text-muted);
  font-size: 1.35rem;
  cursor: pointer;
  padding: 0.25rem;
  line-height: 1;
  border-radius: var(--radius-sm);
  transition: color var(--transition-fast);
}

.quiz-close-btn:hover {
  color: var(--color-primary-900);
}

.quiz-progress-track {
  width: 100%;
  height: 6px;
  background-color: var(--color-surface-muted);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.quiz-progress-fill {
  height: 100%;
  width: 20%;
  background: linear-gradient(90deg, var(--color-accent-mint) 0%, var(--color-accent-cyan) 100%);
  border-radius: var(--radius-pill);
  transition: width 350ms cubic-bezier(0.16, 1, 0.3, 1);
}

/* Quiz Body */
.quiz-body {
  padding: 2rem 1.75rem;
  overflow-y: auto;
}

.quiz-step-pane {
  display: none;
  animation: fadeInStep 250ms ease-out forwards;
}

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

@keyframes fadeInStep {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.quiz-question-tag {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--color-accent-mint-dark);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 0.4rem;
}

.quiz-question-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--color-primary-900);
  line-height: 1.3;
  margin-bottom: 1.75rem;
  letter-spacing: -0.02em;
}

/* Options */
.quiz-options-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.quiz-option-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  padding: 1.25rem 1.25rem;
  background-color: #ffffff;
  border: 2px solid var(--color-surface-border);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
  user-select: none;
}

.quiz-option-card:hover {
  border-color: rgba(16, 185, 129, 0.6);
  background-color: var(--color-accent-mint-subtle);
  transform: translateY(-1px);
}

.quiz-option-card.selected {
  border-color: var(--color-accent-mint);
  background-color: var(--color-accent-mint-subtle);
  box-shadow: 0 0 0 1px var(--color-accent-mint);
}

.option-badge {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background-color: var(--color-surface-muted);
  color: var(--color-primary-900);
  font-weight: 700;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition-fast);
}

.quiz-option-card.selected .option-badge {
  background-color: var(--color-accent-mint);
  color: #ffffff;
}

.option-content {
  flex-grow: 1;
}

.option-title {
  font-weight: 700;
  font-size: 1.05rem;
  color: var(--color-primary-900);
  margin-bottom: 0.2rem;
}

.option-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.45;
}

/* Input Fields (Q5) */
.optional-note {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: -1rem;
  margin-bottom: 1.5rem;
}

.quiz-input-group {
  margin-bottom: 1.35rem;
}

.quiz-input-group label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--color-primary-900);
  margin-bottom: 0.45rem;
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}

.input-prefix {
  position: absolute;
  left: 1rem;
  font-weight: 700;
  color: var(--color-text-muted);
  font-size: 1.1rem;
}

.input-suffix {
  position: absolute;
  right: 1rem;
  font-weight: 600;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

.quiz-input {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-surface-border);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--color-primary-900);
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.input-with-icon .quiz-input {
  padding-left: 2.25rem;
}

.quiz-input:focus {
  border-color: var(--color-accent-mint);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.15);
}

/* Quiz Footer / Actions */
.quiz-footer {
  padding: 1.25rem 1.75rem;
  background-color: var(--color-surface-bg);
  border-top: 1px solid var(--color-surface-border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

/* Loading State */
.quiz-loading-view {
  text-align: center;
  padding: 3rem 1rem;
}

.spinner {
  width: 50px;
  height: 50px;
  border: 4px solid var(--color-surface-border);
  border-top-color: var(--color-accent-mint);
  border-radius: 50%;
  margin: 0 auto 1.5rem;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.quiz-loading-view h3 {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-primary-900);
  margin-bottom: 0.5rem;
}

.quiz-loading-view p {
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

/* Results Screen */
.results-screen {
  animation: fadeInStep 350ms ease-out forwards;
}

.result-hero-badge {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-accent-mint-subtle);
  border: 1px solid rgba(16, 185, 129, 0.25);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  margin-bottom: 1.5rem;
}

.badge-headline-wrap .sub {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-accent-mint-dark);
  letter-spacing: 0.05em;
}

.badge-headline-wrap .method-name {
  font-size: 1.5rem;
  font-weight: 800;
  color: var(--color-primary-900);
  line-height: 1.15;
}

.match-score-pill {
  background: var(--color-accent-mint);
  color: #ffffff;
  padding: 0.4rem 0.85rem;
  border-radius: var(--radius-pill);
  font-weight: 800;
  font-size: 0.95rem;
  box-shadow: 0 4px 10px rgba(16, 185, 129, 0.3);
}

.results-summary-card {
  background-color: var(--color-surface-bg);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.results-summary-card h4 {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--color-primary-900);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.results-summary-card p {
  font-size: 0.92rem;
  line-height: 1.6;
  color: var(--color-text-main);
}

/* Financial Projection Box */
.financial-projection-card {
  background: linear-gradient(135deg, var(--color-primary-900) 0%, var(--color-primary-800) 100%);
  color: #ffffff;
  border-radius: var(--radius-md);
  padding: 1.25rem;
  margin-bottom: 1.5rem;
}

.projection-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  text-align: center;
  margin-top: 0.75rem;
}

.projection-stat .val {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-accent-mint-light);
}

.projection-stat .desc {
  font-size: 0.75rem;
  color: var(--color-text-light);
  margin-top: 0.15rem;
}

/* Action Steps */
.action-steps-section {
  margin-bottom: 1.75rem;
}

.action-steps-section h4 {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-primary-900);
  margin-bottom: 0.85rem;
}

.action-steps-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.action-step-item {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  padding: 0.85rem 1rem;
  background-color: var(--color-surface-bg);
  border: 1px solid var(--color-surface-border);
  border-radius: var(--radius-sm);
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--color-text-main);
}

.action-step-num {
  width: 22px;
  height: 22px;
  background-color: var(--color-accent-mint);
  color: #ffffff;
  border-radius: 50%;
  font-size: 0.75rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}

.results-cta-group {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

@media (min-width: 480px) {
  .results-cta-group {
    flex-direction: row;
  }
  .results-cta-group .btn {
    flex: 1;
  }
}

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

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

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }