/* ============================================
   TradeIQ Design Tokens & Component Styles
   ============================================ */

/* --- Type Scale (fluid) --- */
:root {
  --text-xs: clamp(0.75rem, 0.7rem + 0.25vw, 0.875rem);
  --text-sm: clamp(0.875rem, 0.8rem + 0.35vw, 1rem);
  --text-base: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
  --text-lg: clamp(1.125rem, 1rem + 0.75vw, 1.5rem);
  --text-xl: clamp(1.5rem, 1.2rem + 1.25vw, 2.25rem);
  --text-2xl: clamp(2rem, 1.2rem + 2.5vw, 3.5rem);
  --text-3xl: clamp(2.5rem, 1rem + 4vw, 5rem);

  /* --- Spacing (4px base) --- */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  --space-32: 8rem;

  /* --- Font Families --- */
  --font-display: 'IBM Plex Sans', 'Inter', sans-serif;
  --font-body: 'Inter', 'Helvetica Neue', sans-serif;

  /* --- Radius --- */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  --radius-full: 9999px;

  /* --- Transitions --- */
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);

  /* --- Content Widths --- */
  --content-narrow: 640px;
  --content-default: 960px;
  --content-wide: 1200px;
}

/* --- Light Mode (default) --- */
:root,
[data-theme='light'] {
  --color-bg: #FFFFFF;
  --color-surface: #F3F4F6;
  --color-surface-2: #F9FAFB;
  --color-border: #E5E7EB;
  --color-divider: #E5E7EB;
  --color-text: #1C1C1E;
  --color-text-muted: #6B7280;
  --color-text-faint: #9CA3AF;
  --color-primary: #2563EB;
  --color-primary-hover: #1D4ED8;
  --color-primary-active: #1E40AF;
  --color-primary-highlight: #DBEAFE;
  --color-success: #059669;
  --color-warning: #D97706;
  --color-error: #DC2626;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08);
}

/* --- Dark Mode --- */
[data-theme='dark'] {
  --color-bg: #0F1117;
  --color-surface: #1A1D27;
  --color-surface-2: #21242F;
  --color-border: #2D3140;
  --color-divider: #2D3140;
  --color-text: #E5E7EB;
  --color-text-muted: #9CA3AF;
  --color-text-faint: #6B7280;
  --color-primary: #3B82F6;
  --color-primary-hover: #60A5FA;
  --color-primary-active: #93C5FD;
  --color-primary-highlight: #1E3A5F;
  --color-success: #34D399;
  --color-warning: #FBBF24;
  --color-error: #F87171;
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --color-bg: #0F1117;
    --color-surface: #1A1D27;
    --color-surface-2: #21242F;
    --color-border: #2D3140;
    --color-divider: #2D3140;
    --color-text: #E5E7EB;
    --color-text-muted: #9CA3AF;
    --color-text-faint: #6B7280;
    --color-primary: #3B82F6;
    --color-primary-hover: #60A5FA;
    --color-primary-active: #93C5FD;
    --color-primary-highlight: #1E3A5F;
    --color-success: #34D399;
    --color-warning: #FBBF24;
    --color-error: #F87171;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.5);
  }
}

/* ============================================
   Layout
   ============================================ */
.container {
  width: 100%;
  max-width: var(--content-wide);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

@media (min-width: 768px) {
  .container {
    padding-inline: var(--space-8);
  }
}

.container--narrow {
  max-width: var(--content-default);
}

/* ============================================
   Header / Nav
   ============================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: color-mix(in srgb, var(--color-bg) 85%, transparent);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow 0.3s ease;
}

.header--scrolled {
  box-shadow: var(--shadow-sm);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 64px;
}

.header__logo {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  text-decoration: none;
  color: var(--color-text);
}

.header__logo svg {
  flex-shrink: 0;
}

.header__nav {
  display: none;
  align-items: center;
  gap: var(--space-6);
}

@media (min-width: 768px) {
  .header__nav {
    display: flex;
  }
}

.header__nav a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text-muted);
  text-decoration: none;
  letter-spacing: -0.01em;
}

.header__nav a:hover {
  color: var(--color-text);
}

.header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.theme-toggle {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-md);
  color: var(--color-text-muted);
}

.theme-toggle:hover {
  color: var(--color-text);
  background: var(--color-surface);
}

/* Mobile menu */
.mobile-menu-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  color: var(--color-text);
}

@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none;
  }
}

.mobile-nav {
  display: none;
  position: fixed;
  inset: 64px 0 0 0;
  background: var(--color-bg);
  z-index: 99;
  padding: var(--space-6) var(--space-5);
  border-top: 1px solid var(--color-border);
}

.mobile-nav.is-open {
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
}

.mobile-nav a {
  font-size: var(--text-base);
  font-weight: 500;
  color: var(--color-text);
  text-decoration: none;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
}

/* ============================================
   Hero
   ============================================ */
.hero {
  padding-block: clamp(var(--space-16), 10vw, var(--space-32));
  text-align: left;
}

.hero__grid {
  display: grid;
  gap: var(--space-8);
  align-items: center;
}

@media (min-width: 768px) {
  .hero__grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
  }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-highlight);
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-4);
}

.hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.08;
  color: var(--color-text);
  margin-bottom: var(--space-5);
}

.hero__desc {
  font-size: var(--text-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  max-width: 50ch;
  margin-bottom: var(--space-6);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.hero__visual {
  display: none;
}

@media (min-width: 768px) {
  .hero__visual {
    display: block;
  }
}

.hero__card-stack {
  position: relative;
  width: 100%;
  max-width: 440px;
  margin-left: auto;
}

.hero__card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.hero__card + .hero__card {
  margin-top: var(--space-3);
}

.hero__card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: var(--space-3);
}

.hero__card-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
}

.hero__card-category {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.hero__card-score {
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
}

.hero__card-score-val {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-primary);
  font-feature-settings: 'tnum' 1;
}

.hero__card-score-max {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.hero__card-bar-track {
  width: 100%;
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.hero__card-bar-fill {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 1s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ============================================
   Buttons
   ============================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  font-family: var(--font-display);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: var(--space-3) var(--space-6);
  border-radius: var(--radius-md);
  text-decoration: none;
  white-space: nowrap;
  min-height: 44px;
}

.btn--primary {
  background: var(--color-primary);
  color: #FFFFFF;
}

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

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn--outline:hover {
  background: var(--color-surface);
  border-color: var(--color-text-faint);
}

.btn--sm {
  font-size: var(--text-xs);
  padding: var(--space-2) var(--space-4);
  min-height: 36px;
}

/* ============================================
   Section Headings
   ============================================ */
.section {
  padding-block: clamp(var(--space-12), 6vw, var(--space-24));
}

.section--alt {
  background: var(--color-surface);
}

.section__header {
  margin-bottom: var(--space-8);
}

.section__label {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.section__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  color: var(--color-text);
}

.section__desc {
  margin-top: var(--space-3);
  font-size: var(--text-base);
  color: var(--color-text-muted);
  max-width: 60ch;
}

/* ============================================
   Rating System
   ============================================ */
.rating {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.rating__score {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-text);
  font-feature-settings: 'tnum' 1;
}

.rating__bar {
  width: 80px;
  height: 6px;
  background: var(--color-border);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.rating__bar-fill {
  height: 100%;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

.rating__max {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* Score badge (large) */
.score-badge {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  font-feature-settings: 'tnum' 1;
  flex-shrink: 0;
}

.score-badge--high {
  background: color-mix(in srgb, var(--color-success) 12%, transparent);
  color: var(--color-success);
}

.score-badge--mid {
  background: color-mix(in srgb, var(--color-warning) 12%, transparent);
  color: var(--color-warning);
}

.score-badge--low {
  background: color-mix(in srgb, var(--color-error) 12%, transparent);
  color: var(--color-error);
}

/* ============================================
   Platform Review Cards (Top Rated)
   ============================================ */
.platform-grid {
  display: grid;
  gap: var(--space-5);
}

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

.platform-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
}

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

.platform-card--featured {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 1px var(--color-primary);
  position: relative;
}

.platform-card__badge {
  position: absolute;
  top: calc(-1 * var(--space-3));
  left: var(--space-5);
  background: var(--color-primary);
  color: #FFFFFF;
  font-size: var(--text-xs);
  font-weight: 700;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.platform-card__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.platform-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  color: #FFF;
}

.platform-card__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  letter-spacing: -0.01em;
}

.platform-card__type {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
  margin-top: var(--space-1);
}

.platform-card__scores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-3);
}

.platform-card__score-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.platform-card__score-label {
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.platform-card__score-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: var(--text-sm);
  font-feature-settings: 'tnum' 1;
}

.platform-card__verdict {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

.platform-card__footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============================================
   Article Cards
   ============================================ */
.articles-grid {
  display: grid;
  gap: var(--space-5);
}

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

@media (min-width: 1024px) {
  .articles-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.article-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: box-shadow var(--transition-interactive), transform var(--transition-interactive);
  text-decoration: none;
  color: inherit;
}

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

.article-card__img {
  width: 100%;
  height: 180px;
  object-fit: cover;
  background: var(--color-surface);
}

.article-card__img-placeholder {
  width: 100%;
  height: 180px;
  background: var(--color-surface);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.article-card__img-placeholder::before {
  content: '';
  position: absolute;
  inset: 0;
  opacity: 0.06;
}

.article-card__img-icon {
  color: var(--color-text-faint);
  opacity: 0.3;
}

.article-card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  flex: 1;
}

.article-card__category {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.article-card__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
  letter-spacing: -0.01em;
  color: var(--color-text);
  margin-bottom: var(--space-3);
  line-height: 1.3;
}

.article-card__excerpt {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
  flex: 1;
}

.article-card__meta {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
  padding-top: var(--space-4);
  border-top: 1px solid var(--color-border);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============================================
   Methodology
   ============================================ */
.methodology-grid {
  display: grid;
  gap: var(--space-5);
}

@media (min-width: 768px) {
  .methodology-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

.method-step {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.method-step__number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-2xl);
  color: var(--color-primary);
  opacity: 0.25;
  line-height: 1;
}

.method-step__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-sm);
  letter-spacing: -0.01em;
}

.method-step__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* ============================================
   Compare CTA
   ============================================ */
.compare-cta {
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  padding: clamp(var(--space-8), 4vw, var(--space-16));
  text-align: center;
  color: #FFFFFF;
}

.compare-cta__title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  letter-spacing: -0.02em;
  margin-bottom: var(--space-3);
}

.compare-cta__desc {
  font-size: var(--text-base);
  opacity: 0.85;
  max-width: 50ch;
  margin-inline: auto;
  margin-bottom: var(--space-6);
}

.compare-cta .btn--white {
  background: #FFFFFF;
  color: var(--color-primary);
  font-weight: 700;
}

.compare-cta .btn--white:hover {
  background: #F3F4F6;
}

/* ============================================
   Newsletter
   ============================================ */
.newsletter {
  padding-block: clamp(var(--space-12), 6vw, var(--space-20));
  border-top: 1px solid var(--color-border);
}

.newsletter__inner {
  display: grid;
  gap: var(--space-6);
  align-items: center;
}

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

.newsletter__title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  letter-spacing: -0.01em;
}

.newsletter__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-2);
}

.newsletter__form {
  display: flex;
  gap: var(--space-3);
}

.newsletter__input {
  flex: 1;
  min-width: 0;
  padding: var(--space-3) var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  font-size: var(--text-sm);
}

.newsletter__input:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--color-primary) 15%, transparent);
}

.newsletter__input::placeholder {
  color: var(--color-text-faint);
}

/* ============================================
   Footer
   ============================================ */
.footer {
  padding-block: var(--space-12);
  border-top: 1px solid var(--color-border);
}

.footer__grid {
  display: grid;
  gap: var(--space-8);
}

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

.footer__brand-desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-3);
  max-width: 30ch;
  line-height: 1.6;
}

.footer__col-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-text-faint);
  margin-bottom: var(--space-4);
}

.footer__links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__links a {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  text-decoration: none;
}

.footer__links a:hover {
  color: var(--color-text);
}

.footer__bottom {
  margin-top: var(--space-10);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

.footer__badges {
  display: flex;
  gap: var(--space-4);
  align-items: center;
}

.footer__badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-xs);
  color: var(--color-text-faint);
}

/* ============================================
   Article Page
   ============================================ */
.article-hero {
  padding-top: var(--space-12);
  padding-bottom: var(--space-8);
}

.article-hero__category {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.article-hero__title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.1;
  max-width: 20ch;
}

.article-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
  margin-top: var(--space-5);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

.article-hero__meta-divider {
  color: var(--color-text-faint);
}

.article-content {
  padding-bottom: clamp(var(--space-12), 6vw, var(--space-24));
}

.article-content__body {
  max-width: 72ch;
}

.article-content__body p {
  margin-bottom: var(--space-5);
  line-height: 1.7;
}

.article-content__body h2 {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  margin-top: var(--space-10);
  margin-bottom: var(--space-5);
  letter-spacing: -0.02em;
}

.article-content__body h3 {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: 700;
  margin-top: var(--space-8);
  margin-bottom: var(--space-4);
}

.article-content__body ul,
.article-content__body ol {
  margin-bottom: var(--space-5);
  padding-left: var(--space-6);
}

.article-content__body li {
  margin-bottom: var(--space-2);
  line-height: 1.7;
}

.article-content__body blockquote {
  border-left: 3px solid var(--color-primary);
  padding-left: var(--space-5);
  margin-block: var(--space-6);
  font-style: italic;
  color: var(--color-text-muted);
}

/* Inline score callout in articles */
.inline-score {
  display: flex;
  align-items: center;
  gap: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5) var(--space-6);
  margin-block: var(--space-6);
}

.inline-score__number {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-xl);
  color: var(--color-primary);
  font-feature-settings: 'tnum' 1;
  flex-shrink: 0;
}

.inline-score__details {
  flex: 1;
}

.inline-score__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-base);
}

.inline-score__summary {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Related articles */
.related {
  padding-block: clamp(var(--space-10), 4vw, var(--space-16));
  border-top: 1px solid var(--color-border);
}

/* ============================================
   Scroll Animations
   ============================================ */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
              transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* Stagger children */
.stagger > .reveal:nth-child(2) { transition-delay: 80ms; }
.stagger > .reveal:nth-child(3) { transition-delay: 160ms; }
.stagger > .reveal:nth-child(4) { transition-delay: 240ms; }
.stagger > .reveal:nth-child(5) { transition-delay: 320ms; }
.stagger > .reveal:nth-child(6) { transition-delay: 400ms; }

/* ============================================
   Utilities
   ============================================ */
.text-gradient {
  background: linear-gradient(135deg, var(--color-primary), color-mix(in srgb, var(--color-primary) 60%, #8B5CF6));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ============================================
   Article Hero Image
   ============================================ */
.article-hero__image {
  margin-top: var(--space-8);
  border-radius: var(--radius-xl);
  overflow: hidden;
}
.article-hero__image-inner {
  width: 100%;
  height: clamp(200px, 25vw, 320px);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 4rem;
}

/* ============================================
   Article CTA
   ============================================ */
.article-cta {
  background: var(--color-primary);
  color: white;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  margin: var(--space-8) 0;
  text-align: center;
}
.article-cta__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  margin-bottom: var(--space-2);
}
.article-cta__desc {
  font-size: var(--text-sm);
  opacity: 0.9;
  margin-bottom: var(--space-4);
  max-width: 50ch;
  margin-inline: auto;
}

/* ============================================
   CTA Banner Between Sections
   ============================================ */
.cta-banner {
  padding: var(--space-12) 0;
}
.cta-banner__inner {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: var(--space-4);
}
@media (min-width: 768px) {
  .cta-banner__inner {
    flex-direction: row;
    text-align: left;
  }
}
.cta-banner__text {
  flex: 1;
}
.cta-banner__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  margin-bottom: var(--space-1);
}
.cta-banner__desc {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}

/* ============================================
   Article Tags
   ============================================ */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-8);
  padding-top: var(--space-6);
  border-top: 1px solid var(--color-border);
}
.article-tags__label {
  font-size: var(--text-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-text-faint);
  margin-right: var(--space-2);
}
.tag {
  font-size: var(--text-xs);
  font-weight: 600;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  background: var(--color-surface);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
}

/* ============================================
   Stat Grid for Data Displays
   ============================================ */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-3);
  margin: var(--space-6) 0;
}
.stat-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  text-align: center;
}
.stat-card__value {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--text-lg);
  color: var(--color-primary);
}
.stat-card__label {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  margin-top: var(--space-1);
}

/* ============================================
   Callout Box
   ============================================ */
.callout {
  background: var(--color-surface);
  border-left: 3px solid var(--color-primary);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin: var(--space-6) 0;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  line-height: 1.7;
}