:root {
  --color-brand: #1D2B33;
  --color-cta: #2B5F8A;
  --paper: #F5EFE2;
  --sand: #EFE7D7;
  --rule: #C9C0AD;
  --muted: #6E6A5D;
  --ink: #14191C;
  --display-stack: Impact, Haettenschweiler, 'Arial Narrow Bold', 'Franklin Gothic Medium', sans-serif;
  --mono-stack: Consolas, 'Courier New', ui-monospace, monospace;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background-color: var(--paper);
  color: var(--ink);
  font-size: 18px;
  line-height: 1.65;
  overflow-x: hidden;
}

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

a {
  color: var(--ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: text-decoration-color .15s linear, color .15s linear;
}

a:hover {
  text-decoration-thickness: 2px;
  text-decoration-color: var(--rule);
}

:focus-visible {
  outline: 2px solid var(--color-brand);
  outline-offset: 3px;
}

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  z-index: 200;
  background-color: var(--color-cta);
  color: var(--paper);
  padding: 12px 20px;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
}

.skip-link:focus {
  left: 16px;
  top: 16px;
}

.hero {
  position: relative;
  min-height: clamp(320px, 46vh, 560px);
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-brand);
  background-image: url('/images/hero-inox-304-ou-316-quel-acier-choisir.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  border-bottom: 2px solid var(--color-brand);
  text-align: center;
  padding: 64px clamp(24px, 9vw, 128px);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.55);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 980px;
  margin: 0 auto;
}

.hero-title {
  color: #fff;
  margin: 0 0 24px;
  font-family: var(--display-stack);
  font-size: clamp(38px, 5.8vw, 76px);
  line-height: 0.98;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.hero-subtitle {
  color: #fff;
  margin: 0 0 24px;
  font-size: 22px;
  line-height: 1.6;
}

.hero .meta-line { color: var(--sand); }

.article-shell {
  max-width: 1320px;
  margin: 0 auto;
  padding-left: clamp(24px, 9vw, 128px);
  padding-right: clamp(24px, 4vw, 56px);
}

.article {
  display: grid;
  grid-template-columns: minmax(0, 800px) minmax(0, 1fr);
  column-gap: 40px;
  align-items: start;
  padding-top: 56px;
  padding-bottom: 64px;
}

.article-block { grid-column: 1; margin-bottom: 56px; }
.article-body { grid-column: 1; }
.article-wide { grid-column: 1 / -1; }

.article-wide > p { max-width: 78ch; }

.article-chapo {
  font-size: 22px;
  line-height: 1.6;
  margin: 0 0 32px;
  max-width: 68ch;
}

.section-title {
  font-family: var(--display-stack);
  font-size: clamp(28px, 3.4vw, 44px);
  line-height: 1.05;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-brand);
  margin: 0 0 24px;
  max-width: 24ch;
}

.section-subtitle {
  font-size: 24px;
  line-height: 1.65;
  font-weight: 700;
  color: var(--color-brand);
  margin: 40px 0 16px;
}

.article-body p { margin: 0 0 24px; max-width: 68ch; }

.meta-line {
  font-family: var(--mono-stack);
  font-size: 13px;
  line-height: 1.65;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin: 0 0 24px;
}

.legende {
  font-family: var(--mono-stack);
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  margin: 12px 0 0;
  max-width: 78ch;
}

.note {
  font-size: 14px;
  line-height: 1.65;
  color: var(--muted);
  margin: 0 0 16px;
  max-width: 78ch;
}

.chiffres {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 32px;
  margin: 40px 0;
  padding: 32px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
}

.chiffre {
  border: 1px solid var(--rule);
  padding: 24px;
  min-width: 0;
  overflow: hidden;
}

.chiffre__valeur {
  display: block;
  font-family: var(--display-stack);
  font-size: clamp(56px, 8vw, 120px);
  line-height: 0.90;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-brand);
  text-shadow: 2px 2px 0 var(--rule);
}

.chiffre__libelle {
  display: block;
  font-family: var(--mono-stack);
  font-size: 13px;
  line-height: 1.65;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--muted);
  margin-top: 16px;
}

.tableau-scroll { margin: 32px 0 0; }

.tableau {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
}

.tableau th {
  font-family: var(--mono-stack);
  font-size: 13px;
  line-height: 1.65;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  text-align: left;
  color: var(--color-brand);
  padding: 0 20px 12px 0;
  border-bottom: 2px solid var(--color-brand);
  vertical-align: bottom;
}

.tableau td {
  font-size: 16px;
  line-height: 1.65;
  padding: 14px 20px 14px 0;
  border-bottom: 1px solid var(--rule);
  vertical-align: top;
}

.tableau tbody tr:last-child td { border-bottom: 1px solid var(--color-brand); }

.tableau--dense td { font-size: 15px; padding-top: 12px; padding-bottom: 12px; }

.schema {
  width: 100%;
  max-width: 720px;
  height: auto;
  margin: 40px 0 0;
  padding: 16px;
  background-color: var(--sand);
  border: 1px solid var(--rule);
}

.liste {
  list-style: disc;
  margin: 0 0 24px;
  padding-left: 24px;
  max-width: 68ch;
}

.liste li {
  margin-bottom: 12px;
  padding-left: 4px;
}

.liste li:last-child { margin-bottom: 0; }
.liste strong { color: var(--color-brand); }

.selecteur {
  margin: 40px 0 0;
  border-top: 2px solid var(--color-brand);
  border-bottom: 1px solid var(--rule);
  padding: 24px 0 32px;
}

.selecteur__fieldset {
  border: 0;
  margin: 0;
  padding: 0;
  min-width: 0;
}

.selecteur__legend {
  font-family: var(--mono-stack);
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  padding: 0 0 16px;
}

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

.selecteur__table { min-width: 420px; }
.selecteur__table label { cursor: pointer; text-decoration: underline; text-underline-offset: 3px; }
.selecteur__table label:hover { text-decoration-thickness: 2px; text-decoration-color: var(--rule); }

#exp-interieur:checked ~ .selecteur__table .selecteur__ligne--interieur td,
#exp-littoral:checked ~ .selecteur__table .selecteur__ligne--littoral td,
#exp-piscine:checked ~ .selecteur__table .selecteur__ligne--piscine td,
#exp-cuisine:checked ~ .selecteur__table .selecteur__ligne--cuisine td {
  background-color: var(--sand);
}

#exp-interieur:focus-visible ~ .selecteur__table .selecteur__ligne--interieur td,
#exp-littoral:focus-visible ~ .selecteur__table .selecteur__ligne--littoral td,
#exp-piscine:focus-visible ~ .selecteur__table .selecteur__ligne--piscine td,
#exp-cuisine:focus-visible ~ .selecteur__table .selecteur__ligne--cuisine td {
  outline: 2px solid var(--color-brand);
  outline-offset: -2px;
}

.selecteur__panneaux { margin-top: 24px; }

.selecteur__panneau {
  display: none;
  max-width: 78ch;
  border-left: 2px solid var(--color-brand);
  padding-left: 24px;
}

#exp-interieur:checked ~ .selecteur__panneaux .selecteur__panneau--interieur,
#exp-littoral:checked ~ .selecteur__panneaux .selecteur__panneau--littoral,
#exp-piscine:checked ~ .selecteur__panneaux .selecteur__panneau--piscine,
#exp-cuisine:checked ~ .selecteur__panneaux .selecteur__panneau--cuisine {
  display: block;
}

.selecteur__panneau p { margin: 0 0 12px; }
.selecteur__panneau p:last-child { margin-bottom: 0; }

.selecteur__verdict {
  font-family: var(--display-stack);
  font-size: 32px;
  line-height: 1.1;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-brand);
}

.faq-item {
  border-top: 1px solid var(--rule);
  padding: 28px 0;
  max-width: 78ch;
}

.faq-item:last-child { border-bottom: 1px solid var(--rule); }

.faq-question {
  font-size: 21px;
  line-height: 1.65;
  font-weight: 700;
  color: var(--color-brand);
  margin: 0 0 12px;
}

.faq-reponse { margin: 0; }

.declaration {
  font-family: var(--display-stack);
  font-size: clamp(28px, 3.6vw, 46px);
  line-height: 1.10;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-brand);
  margin: 0;
  padding: 40px 0;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  max-width: 26ch;
}

.cta-bloc {
  background-color: var(--sand);
  border-bottom: 2px solid var(--color-brand);
  padding: 48px 40px;
  margin-top: 40px;
}

.cta-bloc__titre {
  font-family: var(--display-stack);
  font-size: clamp(26px, 3vw, 38px);
  line-height: 1.10;
  font-weight: 700;
  letter-spacing: 0.01em;
  text-transform: uppercase;
  color: var(--color-brand);
  margin: 0 0 16px;
}

.cta-bloc__texte {
  margin: 0 0 32px;
  max-width: 68ch;
}

.bouton {
  display: inline-block;
  background-color: var(--color-cta);
  color: var(--paper);
  border: 1px solid var(--color-cta);
  border-radius: 0;
  padding: 16px 32px;
  font-size: 15px;
  line-height: 1.65;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background-color .15s linear, border-color .15s linear;
}

.bouton:hover {
  background-color: var(--color-brand);
  border-color: var(--color-brand);
  color: var(--paper);
  text-decoration: none;
}

@media (max-width: 900px) {
  .article {
    grid-template-columns: minmax(0, 1fr);
    column-gap: 0;
  }

  .article-block,
  .article-body,
  .article-wide {
    grid-column: 1 / -1;
  }
}

@media (max-width: 768px) {
  body { font-size: 17px; }

  .article-shell {
    padding-left: 24px;
    padding-right: 24px;
  }

  .article {
    padding-top: 40px;
    padding-bottom: 48px;
  }

  .article-block { margin-bottom: 40px; }

  .hero {
    min-height: 320px;
    padding: 48px 24px;
  }

  .hero-title { font-size: clamp(32px, 9vw, 52px); }
  .hero-subtitle { font-size: 19px; }

  .article-chapo { font-size: 20px; }

  .section-title { font-size: clamp(26px, 7vw, 34px); }
  .section-subtitle { font-size: 21px; }

  .chiffres {
    grid-template-columns: minmax(0, 1fr);
    gap: 20px;
    padding: 24px 0;
  }

  .chiffre { padding: 20px; }

  .tableau { min-width: 560px; }
  .tableau--dense { min-width: 640px; }
  .tableau td { font-size: 15px; }

  .selecteur__table { min-width: 360px; }

  .cta-bloc { padding: 32px 24px; }

  .declaration { font-size: 28px; }

  .faq-question { font-size: 19px; }
}

@media (max-width: 480px) {
  .hero-title { font-size: 32px; }

  .bouton {
    width: 100%;
    text-align: center;
  }

  .chiffre__valeur { font-size: 56px; }

  .selecteur__panneau {
    padding-left: 16px;
  }

  .faq-item { padding: 24px 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  a, .bouton { transition: none; }
}

/* ===== TYPOGRAPHY SPACING FIX (APS_ARTICLE_TYPO_REQUIRED_v2) ===== */
/* Defensive guard against universal * { margin: 0 } reset in global.css. */
/* body-scoped via :where() so specificity stays at 0,0,0,1 — beats * but
   loses to any component rule like .tip-box p / .faq-item p. */
body :where(p)              { margin-bottom: 1.1rem; }
body :where(h2)             { margin-top: 2.5rem; margin-bottom: 1rem; }
body :where(h3)             { margin-top: 1.75rem; margin-bottom: 0.75rem; }
body :where(h4)             { margin-top: 1.25rem; margin-bottom: 0.5rem; }
body :where(ul, ol)         { margin-bottom: 1.1rem; padding-left: 1.5rem; }
body :where(li)             { margin-bottom: 0.4rem; }
body :where(blockquote)     { margin: 1.5rem 0; }