/* ==========================================================================
   Dr. PelvicPro — Clinical Men's Health Quiz Funnel
   1:1 Visual Architecture based on quiz.kegel-plan.me/en & DESIGN.md
   ========================================================================== */

:root {
  --font-sans: 'Roboto', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  
  /* Light Theme Tokens */
  --bg-surface: #FFFFFF;
  --text-primary: #111113;
  --text-secondary: #5E5E63;
  --text-muted: #8E8E93;
  --option-bg: #F1F3F9;
  --option-hover-bg: #E6E9F4;
  --option-selected-bg: #111113;
  --option-selected-text: #FFFFFF;
  --border-subtle: #E6E8F0;

  /* Dark Theme Tokens (Interstitial Step 7) */
  --bg-dark: #111113;
  --bg-dark-elevated: #1D1D20;
  --bg-dark-btn: #2B2B2E;
  --text-on-dark: #FFFFFF;
  --text-muted-on-dark: #A0A0A8;

  /* Clinical Semantic Accents */
  --accent-red: #E44240;
  --accent-red-hover: #D13634;
  --accent-orange: #F58529;
  --accent-green: #53CC58;
  --accent-green-dark: #2B8A3E;
  --accent-blue: #5773D6;
  --star-amber: #FF9529;
  --btn-disabled-bg: #CACACA;

  /* Progress Bar Custom Properties (modern-web-guidance `progress`) */
  --progress-bar-radius: 1e5px;
  --progress-bar-track: #F1F3F9;
  --progress-bar-fill: #111113;
}

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

html {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-surface);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-size-adjust: 100%;
}

body {
  min-height: 100dvh;
  background-color: var(--bg-surface);
  color: var(--text-primary);
  transition: background-color 0.2s ease, color 0.2s ease;
  overflow-x: hidden;
}

body.theme-dark {
  background-color: var(--bg-dark);
  color: var(--text-on-dark);
  --progress-bar-track: #2B2B2E;
  --progress-bar-fill: #E44240;
}

/* Visible Keyboard Focus (WCAG AA Mandatory) */
button:focus-visible,
a:focus-visible,
input:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent-red);
  outline-offset: 2px;
}

/* ==========================================================================
   App Shell & Header (Compact persistent bar < 12% viewport height)
   ========================================================================== */

.app-shell {
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 100%;
}

.site-header {
  width: 100%;
  max-width: 440px;
  padding: 20px 16px 12px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: inherit;
  cursor: pointer;
  background: none;
  border: none;
  padding: 2px 0;
  text-align: left;
}

.brand-badge {
  width: 32px;
  height: 32px;
  border-radius: 7px;
  background-color: #111113;
  color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 15px;
  letter-spacing: -0.02em;
  flex-shrink: 0;
}

body.theme-dark .brand-badge {
  background-color: #242427;
  color: #FFFFFF;
}

.brand-text {
  display: flex;
  flex-direction: column;
  line-height: 1.15;
}

.brand-name {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

body.theme-dark .brand-name {
  color: #FFFFFF;
}

.brand-subtitle {
  font-size: 11.5px;
  font-weight: 400;
  color: var(--text-secondary);
}

body.theme-dark .brand-subtitle {
  color: var(--text-muted-on-dark);
}

.step-counter-pill {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* ==========================================================================
   Native + 4-Node Segmented Progress Bar
   ========================================================================== */

.quiz-progress-container {
  width: 210px;
  margin: 8px auto 26px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.quiz-progress-container[hidden] {
  display: none !important;
}

/* Native <progress> styled per modern-web-guidance `progress` */
progress.quiz-progress-native {
  appearance: none;
  border: 0 solid;
  overflow: clip;
  width: 100%;
  height: 4px;
  border-radius: var(--progress-bar-radius);
  background: var(--progress-bar-track);
  display: block;
}

progress.quiz-progress-native::-webkit-progress-bar {
  background: transparent;
}

progress.quiz-progress-native::-webkit-progress-value {
  background: var(--progress-bar-fill);
  border-radius: var(--progress-bar-radius);
  transition: inline-size 0.3s ease;
}

progress.quiz-progress-native::-moz-progress-bar {
  background: var(--progress-bar-fill);
  border-radius: var(--progress-bar-radius);
  transition: inline-size 0.3s ease;
}

.progress-nodes {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  pointer-events: none;
}

.progress-node {
  width: 18px;
  height: 18px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

.progress-node svg {
  width: 18px;
  height: 18px;
  display: block;
}

.progress-node .node-bg {
  fill: var(--progress-bar-track);
  transition: fill 0.25s ease;
}

.progress-node .node-check {
  stroke: transparent;
  transition: stroke 0.25s ease;
}

.progress-node.is-active .node-bg {
  fill: var(--progress-bar-fill);
}

.progress-node.is-active .node-check {
  stroke: transparent;
}

.progress-node.is-completed .node-bg {
  fill: var(--progress-bar-fill);
}

.progress-node.is-completed .node-check {
  stroke: #FFFFFF;
}

body.theme-dark .progress-node.is-completed .node-check {
  stroke: #111113;
}

/* ==========================================================================
   Single-Column Clinical Main Container (Strict max-width: 440px)
   ========================================================================== */

.quiz-main {
  width: 100%;
  max-width: 440px;
  padding: 0 16px 40px;
  margin: 0 auto;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.quiz-step-view {
  width: 100%;
  display: flex;
  flex-direction: column;
  flex: 1;
  animation: stepFadeIn 0.2s ease-out;
}

@keyframes stepFadeIn {
  from {
    opacity: 0;
    transform: translateY(4px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@media (prefers-reduced-motion: reduce) {
  .quiz-step-view {
    animation: none;
  }
}

/* ==========================================================================
   Step 1: Landing + Age Selection + 6 Scientific Sources
   ========================================================================== */

.landing-hero-title {
  font-size: 31px;
  line-height: 1.2;
  font-weight: 700;
  text-align: center;
  color: #111113;
  margin: 6px auto 16px;
  letter-spacing: -0.015em;
  text-wrap: balance;
}

.landing-hero-title .gradient-accent {
  background: linear-gradient(90deg, #F58529 0%, #E44240 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.landing-hero-media {
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
}

.landing-couple-img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  display: block;
}

.landing-benefits-img {
  width: 100%;
  height: auto;
  display: block;
}

.age-section {
  width: 100%;
  margin: 4px 0 32px;
}

.age-title {
  font-size: 20px;
  line-height: 27px;
  font-weight: 700;
  color: #111113;
  text-align: center;
  margin-bottom: 18px;
}

.age-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 9px;
}

.age-btn {
  appearance: none;
  border: 1.5px solid transparent;
  background-color: var(--option-bg);
  color: var(--text-primary);
  border-radius: 9px;
  padding: 14px 16px;
  height: 53px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  line-height: 24px;
  cursor: pointer;
  transition: background-color 0.15s ease, border-color 0.15s ease, transform 0.1s ease;
}

.age-btn > span:first-child {
  flex: 1;
  text-align: center;
}

.age-btn:hover {
  background-color: var(--option-hover-bg);
}

.age-btn.is-selected {
  background-color: var(--option-selected-bg);
  color: #FFFFFF;
  border-color: var(--accent-red);
}

.age-btn-arrow {
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* Sources Block on Step 1 */
.sources-section {
  width: 100%;
  margin-top: 8px;
}

.sources-header {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  font-size: 13px;
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: #7A7A82;
  margin-bottom: 16px;
}

.sources-header::before,
.sources-header::after {
  content: "";
  flex: 1;
  height: 1px;
  background-color: #E6E8F0;
}

.sources-logos-img {
  width: 100%;
  max-width: 390px;
  height: auto;
  display: block;
  margin: 0 auto 20px;
}

.sources-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}

.sources-list-item {
  display: flex;
  align-items: flex-start;
  gap: 6px;
  font-size: 11.5px;
  line-height: 1.42;
  color: #111113;
}

.sources-marker {
  font-weight: 500;
  min-width: 16px;
  color: #111113;
  font-variant-numeric: tabular-nums;
}

.sources-paper {
  color: #111113;
  margin-bottom: 2px;
}

.sources-journal {
  color: #111113;
  font-weight: 500;
}

.sources-journal span {
  color: #8E8E93;
  font-weight: 400;
  display: block;
}

.landing-footer {
  text-align: center;
  font-size: 12.5px;
  line-height: 1.5;
  color: #5E5E63;
  padding-top: 8px;
  border-top: 1px solid #F1F3F9;
}

.landing-footer a {
  color: var(--accent-blue);
  text-decoration: underline;
}

.landing-company {
  display: block;
  margin-top: 14px;
  font-size: 12px;
  color: #B0B0B8;
}

/* ==========================================================================
   Quiz Question Steps (Single-Choice & 1–5 Rating Scales)
   ========================================================================== */

.question-body {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.question-title {
  font-size: 20px;
  line-height: 27px;
  font-weight: 700;
  color: var(--text-primary);
  text-align: center;
  margin-bottom: 24px;
}

body.theme-dark .question-title {
  color: #FFFFFF;
}

.options-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
}

.option-btn {
  appearance: none;
  width: 100%;
  background-color: var(--option-bg);
  color: var(--text-primary);
  border: 1.5px solid transparent;
  border-radius: 9px;
  padding: 16px 18px;
  min-height: 56px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  text-align: left;
  font-family: var(--font-sans);
  font-size: 14.5px;
  font-weight: 500;
  line-height: 21px;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.option-btn:hover {
  background-color: var(--option-hover-bg);
}

.option-btn.is-selected {
  background-color: var(--option-selected-bg);
  color: var(--option-selected-text);
  border-color: var(--accent-red);
}

.option-label-group {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.option-subtitle {
  font-size: 13px;
  font-weight: 400;
  color: #5E5E63;
}

.option-btn.is-selected .option-subtitle {
  color: #D0D0D6;
}

.option-radio-indicator {
  width: 23px;
  height: 23px;
  border-radius: 50%;
  background-color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

/* 1 to 5 Rating Scale */
.scale-subtitle {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-primary);
  text-align: center;
  margin-top: -6px;
  margin-bottom: 22px;
}

.scale-row {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 8px;
  width: 100%;
}

.scale-btn {
  appearance: none;
  height: 60px;
  border-radius: 9px;
  border: 1.5px solid transparent;
  background-color: var(--option-bg);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 600;
  font-variant-numeric: tabular-nums;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.scale-btn:hover {
  background-color: var(--option-hover-bg);
}

.scale-btn.is-selected {
  background-color: var(--option-selected-bg);
  color: #FFFFFF;
  border-color: var(--accent-red);
}

.scale-captions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 12px;
  font-size: 13.5px;
  color: #5E5E63;
}

/* ==========================================================================
   Step 7: Dark Clinical Anatomical Interstitial (`s1`)
   ========================================================================== */

.interstitial-view {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  flex: 1;
}

.interstitial-title {
  font-size: 20px;
  line-height: 27px;
  font-weight: 700;
  color: #FFFFFF;
  margin-bottom: 20px;
}

.interstitial-title .underline {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.interstitial-title .green {
  color: var(--accent-green);
}

.interstitial-media-box {
  width: 100%;
  border-radius: 10px;
  overflow: hidden;
  background-color: #161618;
  margin-bottom: 20px;
}

.interstitial-video {
  width: 100%;
  height: auto;
  display: block;
}

.interstitial-text {
  font-size: 14.5px;
  line-height: 21px;
  color: #E5E5EA;
  max-width: 390px;
  margin: 0 auto 28px;
}

/* ==========================================================================
   Bottom Navigation Controls (`Back` + `Next` / `I got it`)
   ========================================================================== */

.controls-wrapper {
  margin-top: auto;
  padding-top: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  width: 100%;
}

.nav-btn {
  appearance: none;
  width: 153px;
  height: 48px;
  border-radius: 9px;
  border: none;
  font-family: var(--font-sans);
  font-size: 15px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  cursor: pointer;
  transition: background-color 0.15s ease, opacity 0.15s ease, transform 0.1s ease;
}

.nav-btn--back {
  background-color: #F1F3F9;
  color: #4A4A4B;
}

.nav-btn--back:hover {
  background-color: #E4E7F2;
}

body.theme-dark .nav-btn--back {
  background-color: var(--bg-dark-btn);
  color: #FFFFFF;
}

body.theme-dark .nav-btn--back:hover {
  background-color: #38383C;
}

.nav-btn--next {
  background-color: #111113;
  color: #FFFFFF;
}

.nav-btn--next:hover:not(:disabled) {
  background-color: #27272B;
}

.nav-btn--next:disabled {
  background-color: var(--btn-disabled-bg);
  color: #FFFFFF;
  cursor: not-allowed;
}

.nav-btn--red {
  background-color: var(--accent-red);
  color: #FFFFFF;
}

.nav-btn--red:hover {
  background-color: var(--accent-red-hover);
}

/* ==========================================================================
   Step 25: Clinical Diagnostic Calculation + Final Paywall
   ========================================================================== */

.diagnostic-banner {
  background-color: #F8F9FC;
  border: 1px solid #E6E8F0;
  border-radius: 10px;
  padding: 14px 16px;
  margin-bottom: 18px;
}

.diagnostic-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
  color: #111113;
  margin-bottom: 8px;
}

.diagnostic-pct {
  color: var(--accent-green-dark);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
}

.diagnostic-bars {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.diag-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.diag-row-label {
  display: flex;
  justify-content: space-between;
  font-size: 12px;
  color: #5E5E63;
}

.diag-row-label strong {
  color: #111113;
  font-weight: 600;
}

.diag-track {
  width: 100%;
  height: 6px;
  background-color: #E6E8F0;
  border-radius: 999px;
  overflow: hidden;
}

.diag-fill {
  height: 100%;
  border-radius: 999px;
  background: linear-gradient(90deg, #E44240 0%, #F58529 45%, #53CC58 100%);
  width: 100%;
  transition: width 0.8s ease;
}

.paywall-headline {
  font-size: 22px;
  line-height: 1.28;
  font-weight: 700;
  color: #111113;
  text-align: center;
  margin-bottom: 8px;
}

.paywall-headline .accent-red {
  color: var(--accent-red);
}

.paywall-subheadline {
  font-size: 14px;
  color: #5E5E63;
  text-align: center;
  margin-bottom: 16px;
}

.paywall-subheadline strong {
  color: var(--accent-blue);
}

/* 4-Week Evolution Chart Card */
.chart-card {
  background-color: #FFFFFF;
  border: 1px solid #E6E8F0;
  border-radius: 10px;
  padding: 16px 14px 12px;
  margin-bottom: 20px;
}

.chart-card-title {
  font-size: 14px;
  font-weight: 700;
  color: #111113;
  text-align: center;
  margin-bottom: 10px;
}

.chart-svg-wrap {
  width: 100%;
}

.chart-svg-wrap svg {
  width: 100%;
  height: auto;
  display: block;
}

.chart-caption {
  font-size: 11px;
  color: #8E8E93;
  text-align: center;
  margin-top: 6px;
}

/* Plan Selector Cards */
.plans-section-title {
  font-size: 16px;
  font-weight: 700;
  color: #111113;
  text-align: center;
  margin-bottom: 12px;
}

.plans-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 14px;
}

.plan-card {
  position: relative;
  width: 100%;
  background-color: #F1F3F9;
  border: 2px solid transparent;
  border-radius: 10px;
  padding: 14px 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  text-align: left;
  font-family: var(--font-sans);
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.plan-card:hover {
  background-color: #E8ECF6;
}

.plan-card.is-selected {
  background-color: #FFF8F8;
  border-color: var(--accent-red);
}

.plan-popular-tag {
  position: absolute;
  top: -10px;
  right: 14px;
  background-color: var(--accent-red);
  color: #FFFFFF;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 2px 8px;
  border-radius: 4px;
  text-transform: uppercase;
}

.plan-left {
  display: flex;
  align-items: center;
  gap: 12px;
}

.plan-radio {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 2px solid #B0B5C4;
  background-color: #FFFFFF;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.plan-card.is-selected .plan-radio {
  border-color: var(--accent-red);
  background-color: var(--accent-red);
}

.plan-info {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.plan-name {
  font-size: 14px;
  font-weight: 700;
  color: #111113;
  line-height: 1.25;
}

.plan-meta {
  font-size: 12px;
  color: #5E5E63;
}

.plan-meta s {
  color: #8E8E93;
  margin-right: 4px;
}

.plan-right {
  text-align: right;
  flex-shrink: 0;
}

.plan-price {
  font-size: 18px;
  font-weight: 700;
  color: #111113;
  font-variant-numeric: tabular-nums;
}

.plan-card.is-selected .plan-price {
  color: var(--accent-red);
}

.plan-per-day {
  font-size: 11px;
  color: #5E5E63;
  display: block;
}

/* Order Bump Checkbox */
.order-bump-label {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  background-color: #F8FAFC;
  border: 1.5px dashed #CBD5E1;
  border-radius: 9px;
  padding: 12px 14px;
  margin-bottom: 16px;
  cursor: pointer;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.order-bump-label:hover {
  border-color: #94A3B8;
}

.order-bump-label.is-checked {
  background-color: #FFF5F5;
  border-style: solid;
  border-color: var(--accent-red);
}

.order-bump-checkbox {
  width: 18px;
  height: 18px;
  margin-top: 2px;
  accent-color: var(--accent-red);
  flex-shrink: 0;
  cursor: pointer;
}

.order-bump-text {
  font-size: 13px;
  line-height: 1.4;
  color: #111113;
  font-weight: 500;
}

.order-bump-text strong {
  color: var(--accent-red);
  font-weight: 700;
}

/* Primary Paywall CTA Button */
.paywall-cta-btn {
  appearance: none;
  width: 100%;
  height: 54px;
  background-color: var(--accent-red);
  color: #FFFFFF;
  border: none;
  border-radius: 9px;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 8px 20px rgba(228, 66, 64, 0.32);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 14px;
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.paywall-cta-btn:hover {
  background-color: var(--accent-red-hover);
}

/* Payment & Anonymous Billing Badges */
.payment-trust-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  padding: 12px;
  background-color: #F8F9FC;
  border-radius: 9px;
}

.anonymous-billing-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 600;
  color: #111113;
}

.payment-methods-row {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
}

.pay-badge {
  height: 28px;
  padding: 0 10px;
  border-radius: 5px;
  background-color: #FFFFFF;
  border: 1px solid #E2E5EC;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 12px;
  font-weight: 600;
  color: #111113;
}

/* Customer Reviews on Paywall */
.reviews-section {
  margin-bottom: 24px;
}

.reviews-heading {
  font-size: 16px;
  font-weight: 700;
  color: #111113;
  text-align: center;
  margin-bottom: 12px;
}

.reviews-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.review-card {
  background-color: #F8F9FC;
  border-radius: 9px;
  padding: 14px 16px;
}

.review-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 4px;
}

.review-title {
  font-size: 14px;
  font-weight: 700;
  color: #111113;
}

.review-author {
  font-size: 12px;
  color: #8E8E93;
}

.review-stars {
  display: inline-flex;
  gap: 2px;
  margin-bottom: 6px;
  color: var(--star-amber);
}

.review-body {
  font-size: 13px;
  line-height: 1.45;
  color: #2C2C30;
}

/* 30-Day Money-Back Guarantee Card */
.guarantee-card {
  background-color: #F1F3F9;
  border-radius: 10px;
  padding: 18px 16px;
  margin-bottom: 22px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
}

.guarantee-seal {
  width: 44px;
  height: 44px;
  flex-shrink: 0;
  color: var(--accent-green-dark);
}

.guarantee-content h3 {
  font-size: 15px;
  font-weight: 700;
  color: #111113;
  margin-bottom: 4px;
}

.guarantee-content p {
  font-size: 12.5px;
  line-height: 1.45;
  color: #4A4A4F;
}

/* Collapsible Details FAQ / Disclaimer (`content-first-noise-reduction`) */
.paywall-details {
  border-top: 1px solid #E6E8F0;
  padding: 10px 0;
  font-size: 12.5px;
  color: #5E5E63;
}

.paywall-details summary {
  font-weight: 600;
  color: #111113;
  cursor: pointer;
  padding: 4px 0;
}

.paywall-details p {
  margin-top: 6px;
  line-height: 1.45;
}

/* Checkout Confirmation Modal (`<dialog>`) */
dialog.checkout-dialog {
  margin: auto;
  width: calc(100% - 32px);
  max-width: 400px;
  border: none;
  border-radius: 12px;
  padding: 24px 20px;
  background-color: #FFFFFF;
  color: #111113;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
}

dialog.checkout-dialog::backdrop {
  background: rgba(17, 17, 19, 0.6);
}

.dialog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 14px;
}

.dialog-title {
  font-size: 18px;
  font-weight: 700;
}

.dialog-close-btn {
  appearance: none;
  border: none;
  background: #F1F3F9;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #111113;
}

.dialog-summary {
  background-color: #F8F9FC;
  border-radius: 8px;
  padding: 12px;
  font-size: 13.5px;
  margin-bottom: 14px;
}

.dialog-summary-row {
  display: flex;
  justify-content: space-between;
  margin-bottom: 6px;
}

.dialog-summary-total {
  display: flex;
  justify-content: space-between;
  font-weight: 700;
  font-size: 15px;
  border-top: 1px solid #E2E5EC;
  padding-top: 8px;
  margin-top: 6px;
}

.dialog-input {
  width: 100%;
  height: 44px;
  border-radius: 8px;
  border: 1px solid #CBD5E1;
  padding: 0 12px;
  font-family: var(--font-sans);
  font-size: 14px;
  margin-bottom: 10px;
}

/* Mobile Responsive Adjustments (390px) */
@media (max-width: 420px) {
  .landing-hero-title {
    font-size: 27px;
  }
  .nav-btn {
    width: 144px;
  }
}