/* === Reading progress bar === */
.reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--color-accent);
  z-index: 200;
  transition: width 100ms linear;
}

/* === Header === */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 250, 248, 0.85);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid transparent;
  transition: border-color var(--transition-base), background var(--transition-base);
}
.site-header.scrolled {
  border-bottom-color: var(--color-border);
  background: rgba(250, 250, 248, 0.95);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  min-height: var(--header-height);
  gap: var(--space-md);
}

.logo {
  display: flex; flex-direction: column;
  text-decoration: none;
  color: var(--color-primary);
  line-height: 1;
}
.logo:hover { text-decoration: none; }
.logo-mark {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 1.4rem;
  letter-spacing: -0.02em;
  color: var(--color-primary);
}
.logo-mark-accent { color: var(--color-accent); }
.logo-tagline {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 4px;
}

.site-nav { display: flex; align-items: center; gap: var(--space-md); }
.site-nav ul {
  display: flex; gap: 1.5rem; list-style: none; padding: 0; margin: 0;
}
.site-nav ul a {
  color: var(--color-primary);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  position: relative;
  padding-block: 4px;
}
.site-nav ul a::after {
  content: '';
  position: absolute; left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--color-accent);
  transform: scaleX(0); transform-origin: left;
  transition: transform var(--transition-base);
}
.site-nav ul a:hover::after,
.site-nav ul a.active::after { transform: scaleX(1); }
.site-nav ul a:hover { color: var(--color-accent); text-decoration: none; }

.nav-ennevolte {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-text-muted);
  text-decoration: none;
  padding: 6px 12px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}
.nav-ennevolte:hover {
  border-color: var(--color-ennevolte);
  color: var(--color-ennevolte);
  text-decoration: none;
}
.nav-ennevolte strong { color: var(--color-primary); }

.nav-toggle {
  display: none;
  width: 32px; height: 32px;
  flex-direction: column; justify-content: center; gap: 4px;
  padding: 0;
}
.nav-toggle span {
  display: block; width: 22px; height: 2px;
  background: var(--color-primary);
  transition: transform var(--transition-base), opacity var(--transition-base);
}
.nav-toggle[aria-expanded="true"] span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav-toggle[aria-expanded="true"] span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }

@media (max-width: 1024px) {
  .nav-toggle { display: flex; }
  .site-nav {
    position: fixed;
    top: var(--header-height); left: 0; right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    flex-direction: column;
    align-items: stretch;
    padding: var(--space-md);
    gap: var(--space-md);
    transform: translateY(-150%);
    transition: transform var(--transition-base);
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
  }
  .site-nav.open { transform: translateY(0); }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav ul li { border-bottom: 1px solid var(--color-border); }
  .site-nav ul a { display: block; padding: var(--space-sm) 0; font-size: var(--text-base); }
  .site-nav ul a::after { display: none; }
  .nav-ennevolte { text-align: center; }
}

/* === Buttons === */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: var(--text-base);
  padding: 12px 24px;
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-fast);
  border: 2px solid transparent;
  line-height: 1;
}
.btn:hover { text-decoration: none; transform: translateY(-1px); }
.btn:active { transform: translateY(0); }

.btn-primary {
  background: var(--color-accent);
  color: #fff;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover { background: var(--color-accent-dark); color: #fff; box-shadow: var(--shadow-lg); }

.btn-secondary {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-secondary:hover { background: var(--color-primary); color: #fff; }

.btn-ghost {
  background: transparent;
  color: var(--color-primary);
  padding-inline: 0;
}
.btn-ghost::after {
  content: '→'; transition: transform var(--transition-fast);
}
.btn-ghost:hover::after { transform: translateX(4px); }
.btn-ghost:hover { color: var(--color-accent); }

/* === Homepage Hero === */
.hero-home {
  padding-block: var(--space-lg) var(--space-xl);
  position: relative;
  overflow: hidden;
}
.hero-home-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  align-items: center;
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding-inline: var(--space-md);
}
@media (min-width: 1024px) {
  .hero-home-inner { grid-template-columns: 1.1fr 1fr; }
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
  display: inline-flex; align-items: center; gap: 8px;
}
.hero-eyebrow::before {
  content: ''; display: inline-block;
  width: 24px; height: 1px; background: var(--color-accent);
}
.hero-home h1 {
  font-size: clamp(2.5rem, 5vw + 1rem, 4.5rem);
  margin: 0 0 var(--space-md);
}
.hero-home .lead {
  font-size: var(--text-xl);
  color: var(--color-text-soft);
  margin: 0 0 var(--space-md);
  max-width: 45ch;
}
.hero-cta-group { display: flex; gap: var(--space-sm); flex-wrap: wrap; margin-top: var(--space-md); }

/* === Flow diagram (SVG container) === */
.flow-diagram {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-md);
  position: relative;
  aspect-ratio: 1;
  display: flex; align-items: center; justify-content: center;
  box-shadow: var(--shadow-md);
}
.flow-diagram svg { width: 100%; height: 100%; }

/* === Callout === */
.callout {
  background: var(--color-bg-alt);
  border-left: 4px solid var(--color-accent);
  padding: var(--space-md);
  margin-block: var(--space-md);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
}
.callout-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
  font-weight: 600;
}
.callout p { margin: 0; }
.callout p + p { margin-top: var(--space-xs); }

/* === Stat card === */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: var(--space-sm);
  margin-block: var(--space-md);
}
.stat-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  text-align: left;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}
.stat-card:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.stat-value {
  font-family: var(--font-display);
  font-size: clamp(2rem, 3vw + 0.5rem, 3rem);
  line-height: 1;
  color: var(--color-primary);
  font-weight: 800;
  letter-spacing: -0.02em;
  display: block;
  margin-bottom: var(--space-xs);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-text-muted);
  line-height: 1.4;
}

/* === Step === */
.steps { margin-block: var(--space-md); }
.step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: var(--space-md);
  padding-block: var(--space-md);
  border-top: 1px solid var(--color-border);
  align-items: start;
}
.step:last-child { border-bottom: 1px solid var(--color-border); }
.step-number {
  font-family: var(--font-display);
  font-size: var(--text-3xl);
  font-weight: 700;
  color: var(--color-accent);
  line-height: 1;
}
.step-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-xs);
}
.step-body { margin: 0; }

/* === 404 page === */
.page-404 {
  max-width: var(--max-width-wide);
  margin: 0 auto;
  padding: var(--space-lg) var(--space-md);
}
.page-404-hero {
  text-align: center;
  padding: var(--space-lg) 0;
  margin-bottom: var(--space-lg);
}
.page-404-code {
  font-family: var(--font-display);
  font-size: clamp(5rem, 18vw, 10rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  letter-spacing: -0.04em;
  display: block;
  margin-bottom: var(--space-sm);
}
.page-404-hero h1 {
  font-size: clamp(1.75rem, 4vw + 0.5rem, 2.5rem);
  margin-bottom: var(--space-sm);
}
.page-404-lead {
  font-size: var(--text-lg);
  color: var(--color-text-soft);
  max-width: 50ch;
  margin: 0 auto var(--space-md);
}
.page-404-lead code {
  font-family: var(--font-mono);
  background: var(--color-bg-alt);
  padding: 2px 8px;
  border-radius: var(--radius-sm);
  font-size: 0.9em;
  color: var(--color-text);
}
.page-404-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: var(--space-sm);
}
.page-404-card {
  display: block;
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: all var(--transition-base);
}
.page-404-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}
.page-404-card h3 {
  font-size: var(--text-lg);
  margin: 0 0 var(--space-xs);
  color: var(--color-primary);
}
.page-404-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.4;
}

/* === Homepage block constraints ===
   When top-level on the homepage, custom blocks (cta, faq-section, etc.)
   need their own max-width + horizontal margins to align with section-wide content. */
.homepage > .cta-ennevolte,
.homepage > .faq-section,
.homepage > .related-pages,
.homepage > .section-band {
  max-width: var(--max-width-wide);
  margin-left: auto;
  margin-right: auto;
}
.homepage > .faq-section,
.homepage > .related-pages {
  padding-inline: var(--space-md);
}
@media (max-width: 768px) {
  .homepage > .cta-ennevolte {
    margin-left: var(--space-sm);
    margin-right: var(--space-sm);
  }
  .homepage > .faq-section,
  .homepage > .related-pages {
    padding-inline: var(--space-sm);
  }
}

/* === FAQ quick-index === */
.faq-index {
  display: block;
  background: var(--color-bg-alt);
  border-radius: var(--radius-md);
  padding: var(--space-md);
  margin-block: var(--space-md);
}
.faq-index:empty { display: none; }
.faq-index-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  font-weight: 600;
}
.faq-index-group { margin-bottom: var(--space-md); }
.faq-index-group:last-child { margin-bottom: 0; }
.faq-index-title {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  margin: 0 0 var(--space-xs);
  font-weight: 600;
}
.faq-index ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.faq-index li {
  border-top: 1px solid var(--color-border);
  padding: 8px 0;
}
.faq-index li:first-child { border-top: none; padding-top: 0; }
.faq-index a {
  color: var(--color-primary);
  text-decoration: none;
  font-size: var(--text-sm);
  line-height: 1.4;
  display: block;
}
.faq-index a:hover { color: var(--color-accent); text-decoration: underline; }

/* Scroll margin for FAQ anchor targets */
details.faq-item { scroll-margin-top: calc(var(--header-height) + var(--space-md)); }

/* === FAQ accordion === */
.faq-section { margin-block: var(--space-lg); }
.faq-item {
  border-top: 1px solid var(--color-border);
}
.faq-item:last-child { border-bottom: 1px solid var(--color-border); }
.faq-item summary {
  cursor: pointer;
  padding: var(--space-md) 0;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  list-style: none;
  position: relative;
  padding-right: 40px;
  transition: color var(--transition-fast);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  position: absolute;
  right: 0; top: 50%;
  transform: translateY(-50%);
  font-size: 1.5rem;
  font-weight: 400;
  color: var(--color-accent);
  transition: transform var(--transition-base);
  width: 32px; height: 32px;
  display: flex; align-items: center; justify-content: center;
}
.faq-item[open] summary::after { transform: translateY(-50%) rotate(45deg); }
.faq-item summary:hover { color: var(--color-accent); }
.faq-item .faq-answer {
  padding-bottom: var(--space-md);
  color: var(--color-text-soft);
}
.faq-item .faq-answer > * + * { margin-top: var(--space-sm); }

/* === CTA Ennevolte === */
.cta-ennevolte {
  background: var(--color-primary);
  color: #fff;
  padding: var(--space-lg);
  border-radius: var(--radius-lg);
  margin-block: var(--space-lg);
  position: relative;
  overflow: hidden;
}
.cta-ennevolte::before {
  content: '';
  position: absolute;
  top: -50%; right: -20%;
  width: 60%; height: 200%;
  background: radial-gradient(ellipse at center, rgba(230, 57, 70, 0.18) 0%, transparent 60%);
  pointer-events: none;
}
.cta-ennevolte-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-accent-warm);
  margin-bottom: var(--space-sm);
  display: block;
}
.cta-ennevolte h2,
.cta-ennevolte h3,
.cta-ennevolte .cta-heading {
  color: #fff;
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--leading-tight);
  letter-spacing: -0.01em;
  font-size: clamp(1.5rem, 2.5vw + 0.5rem, var(--text-3xl));
  max-width: 24ch;
  margin: 0 0 var(--space-sm);
  border: none !important;
  padding-top: 0 !important;
}
.cta-ennevolte p {
  color: rgba(255,255,255,0.85);
  max-width: 55ch;
  margin: 0 0 var(--space-md);
  font-size: var(--text-lg);
}
.cta-ennevolte .cta-actions { display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.cta-ennevolte .btn-primary { box-shadow: 0 8px 24px rgba(230,57,70,0.3); }
.cta-ennevolte .btn-secondary { color: #fff; border-color: rgba(255,255,255,0.4); }
.cta-ennevolte .btn-secondary:hover { background: rgba(255,255,255,0.08); color: #fff; }
.cta-ennevolte-proof {
  display: flex; gap: var(--space-md); flex-wrap: wrap;
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid rgba(255,255,255,0.15);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.7);
  letter-spacing: 0.04em;
}
.cta-ennevolte-proof strong { color: #fff; font-weight: 600; }

/* === Related pages === */
.related-pages {
  margin-block: var(--space-lg);
}
.related-pages h3 {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-weight: 600;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--space-sm);
}
.related-card {
  display: block;
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: var(--color-primary);
  transition: all var(--transition-base);
}
.related-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  text-decoration: none;
}
.related-card h4 {
  font-size: var(--text-lg);
  margin: 0 0 var(--space-xs);
  color: var(--color-primary);
}
.related-card p {
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  margin: 0;
  line-height: 1.5;
}
.related-card::after {
  content: '→';
  display: block;
  margin-top: var(--space-sm);
  color: var(--color-accent);
  font-size: var(--text-lg);
}

/* === Homepage specific sections === */
.section-intro {
  max-width: var(--max-width-content);
  margin: var(--space-xl) auto;
  padding-inline: var(--space-md);
}
.section-intro h2 { margin-bottom: var(--space-md); }
.section-intro p {
  font-size: var(--text-lg);
  color: var(--color-text-soft);
  line-height: var(--leading-relaxed);
}

.section-wide {
  max-width: var(--max-width-wide);
  margin: var(--space-xl) auto;
  padding-inline: var(--space-md);
}
.section-wide > h2 {
  text-align: center;
  margin-bottom: var(--space-lg);
  font-size: clamp(1.75rem, 3vw + 0.5rem, var(--text-4xl));
}

.advantage-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
}
.advantage-card {
  padding: var(--space-md);
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
}
.advantage-card .advantage-num {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-accent);
  margin-bottom: var(--space-sm);
}
.advantage-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-sm);
}

/* === Footer === */
.site-footer {
  background: var(--color-primary);
  color: rgba(255,255,255,0.7);
  padding-block: var(--space-lg) var(--space-md);
  margin-top: var(--space-xl);
}
.footer-inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-md);
  padding-bottom: var(--space-lg);
  border-bottom: 1px solid rgba(255,255,255,0.1);
}
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 600px) {
  .footer-inner { grid-template-columns: 1fr; }
}
.footer-brand { max-width: 320px; }
.footer-brand .logo-mark { color: #fff; font-size: 1.4rem; margin-bottom: var(--space-sm); display: block; }
.footer-brand .logo-mark-accent { color: var(--color-accent); }
.footer-tagline { font-size: var(--text-sm); margin: 0 0 var(--space-sm); color: rgba(255,255,255,0.6); }
.footer-note { font-size: var(--text-xs); color: rgba(255,255,255,0.5); margin: 0; }
.footer-note a { color: var(--color-accent-warm); }
.footer-col h4 {
  color: #fff;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin: 0 0 var(--space-sm);
  font-weight: 600;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-block: 8px; }
.footer-col a {
  color: rgba(255,255,255,0.7);
  font-size: var(--text-sm);
  text-decoration: none;
}
.footer-col a:hover { color: #fff; text-decoration: underline; }
.footer-bottom {
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: var(--space-sm);
  padding-top: var(--space-md);
}
.footer-bottom small { color: rgba(255,255,255,0.4); font-size: var(--text-xs); }

/* === Tables (homepage / comparative) === */
.comp-table-wrap { overflow-x: auto; margin-block: var(--space-md); }
.comp-table { min-width: 600px; }

/* === Definition list (glossary) === */
.glossary { margin-block: var(--space-md); }
.glossary dl {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md) var(--space-lg);
}
@media (min-width: 768px) {
  .glossary dl { grid-template-columns: 1fr 1fr; }
}
.glossary dt {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0;
  padding-top: var(--space-md);
  border-top: 1px solid var(--color-border);
}
.glossary dd {
  margin: var(--space-xs) 0 0;
  color: var(--color-text-soft);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}
.glossary dd a { color: var(--color-accent); }

/* === Animation utilities === */
.fade-in { opacity: 0; transform: translateY(8px); transition: opacity 600ms ease-out, transform 600ms ease-out; }
.fade-in.visible { opacity: 1; transform: translateY(0); }

/* === Mobile refinements === */
@media (max-width: 768px) {
  .hero-home { padding-block: var(--space-md) var(--space-lg); }
  .hero-home-inner { gap: var(--space-md); }
  .hero-home h1 { font-size: clamp(2rem, 8vw, 2.75rem); }
  .hero-home .lead { font-size: var(--text-lg); }
  .hero-cta-group .btn { flex: 1 1 auto; justify-content: center; }
  .flow-diagram { max-width: 360px; margin: 0 auto; }

  .article-hero { padding-block: var(--space-md); }
  .article-hero h1 { max-width: none; }
  .article-hero .chapeau { font-size: var(--text-lg); }

  .article-content h2 { margin-top: var(--space-md); padding-top: var(--space-md); }
  .article-content table { font-size: 0.85rem; display: block; overflow-x: auto; white-space: nowrap; }
  .article-content table th, .article-content table td { white-space: normal; min-width: 120px; }

  .section-wide, .section-intro { margin-block: var(--space-lg); }
  .section-wide > h2 { font-size: clamp(1.5rem, 6vw, 2rem); }

  .cta-ennevolte { padding: var(--space-md); border-radius: var(--radius-md); margin-block: var(--space-md); }
  .cta-ennevolte h2, .cta-ennevolte h3 { font-size: clamp(1.25rem, 5vw, 1.75rem); }
  .cta-ennevolte p { font-size: var(--text-base); }
  .cta-ennevolte .cta-actions .btn { flex: 1 1 auto; justify-content: center; }
  .cta-ennevolte-proof { gap: var(--space-sm); font-size: 10px; }

  .stat-grid { grid-template-columns: repeat(2, 1fr); gap: var(--space-xs); }
  .stat-card { padding: var(--space-sm); }
  .stat-value { font-size: clamp(1.5rem, 6vw, 2rem); }
  .stat-label { font-size: 10px; }

  .advantage-grid { grid-template-columns: 1fr; }
  .advantage-card { padding: var(--space-sm) var(--space-md); }

  .step { grid-template-columns: 48px 1fr; gap: var(--space-sm); padding-block: var(--space-sm); }
  .step-number { font-size: var(--text-2xl); }
  .step-title { font-size: var(--text-lg); }

  .faq-item summary { font-size: var(--text-lg); padding: var(--space-sm) 0; padding-right: 36px; }

  .related-grid { grid-template-columns: 1fr; }

  .callout { padding: var(--space-sm) var(--space-md); }

  .footer-bottom { flex-direction: column; gap: var(--space-xs); }
}

@media (max-width: 480px) {
  .logo-tagline { display: none; }
  .logo-mark { font-size: 1.2rem; }
  .stat-grid { grid-template-columns: 1fr 1fr; }
  .article-content { font-size: 1rem; }
}