/* ==========================================================================
   escabeau.net — feuille de style unique
   Polices système uniquement (0 requête webfont), ~12 Ko minifiable.
   Palette : bleu de travail / orange sécurité / aluminium.
   ========================================================================== */

:root {
  --ink: #182029;
  --bleu: #234e70;
  --bleu-fonce: #152f45;
  --orange: #e05f06;
  --orange-fonce: #b84d02;
  --orange-survol: #933e02;
  --bg: #f5f7f9;
  --carte: #ffffff;
  --alu: #d8dee5;
  --alu-clair: #eceff3;
  --gris: #56616d;
  --ok: #1f7a4d;
  --max: 1080px;
  --r: 10px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation: none !important; transition: none !important; }
}

body {
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-text-size-adjust: 100%;
}

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

a { color: var(--bleu); text-decoration-thickness: 1px; text-underline-offset: 2px; }
a:hover { color: var(--orange-fonce); }
:focus-visible { outline: 3px solid var(--orange); outline-offset: 2px; border-radius: 2px; }

.wrap { max-width: var(--max); margin: 0 auto; padding: 0 20px; }

/* --- Typographie ------------------------------------------------------- */
h1, h2, h3 { line-height: 1.15; letter-spacing: -0.02em; color: var(--bleu-fonce); }
h1 { font-size: clamp(1.75rem, 4.5vw, 2.6rem); font-weight: 800; margin: 0 0 0.6em; }
h2 { font-size: clamp(1.35rem, 3vw, 1.75rem); font-weight: 750; margin: 2.2em 0 0.7em; }
h3 { font-size: 1.15rem; font-weight: 700; margin: 1.6em 0 0.5em; }
p { margin: 0 0 1em; }
ul, ol { margin: 0 0 1.2em; padding-left: 1.3em; }
li { margin-bottom: 0.4em; }
strong { color: var(--bleu-fonce); }

/* Signature : « barreaux » — trois échelons avant les h2 de section */
.rung {
  display: block; width: 46px; height: 14px; margin-bottom: 8px;
  background:
    linear-gradient(var(--orange), var(--orange)) 0 0 / 46px 3px,
    linear-gradient(var(--alu), var(--alu)) 0 6px / 34px 3px,
    linear-gradient(var(--alu), var(--alu)) 0 12px / 22px 3px;
  background-repeat: no-repeat;
}

.eyebrow {
  display: inline-block; font-size: 0.78rem; font-weight: 700;
  letter-spacing: 0.12em; text-transform: uppercase; color: var(--orange-fonce);
  margin-bottom: 0.5em;
}

/* --- En-tête ----------------------------------------------------------- */
.site-header {
  background: var(--carte); border-bottom: 1px solid var(--alu);
  position: sticky; top: 0; z-index: 50;
}
.site-header .wrap { display: flex; align-items: center; gap: 24px; min-height: 62px; }
.logo { font-weight: 800; font-size: 1.3rem; letter-spacing: -0.02em; text-decoration: none; color: var(--bleu-fonce); display: flex; align-items: center; gap: 8px; }
.logo svg { flex: none; }
.logo span { color: var(--orange); }

.nav { margin-left: auto; }
.nav ul { display: flex; gap: 4px; list-style: none; padding: 0; margin: 0; }
.nav a {
  display: block; padding: 8px 12px; border-radius: 6px;
  text-decoration: none; font-weight: 600; font-size: 0.95rem; color: var(--ink);
}
.nav a:hover, .nav a[aria-current="page"] { background: var(--alu-clair); color: var(--bleu-fonce); }

.nav-toggle {
  margin-left: auto; display: none; background: none; border: 1px solid var(--alu);
  border-radius: 8px; padding: 8px 10px; cursor: pointer; color: var(--bleu-fonce);
}

@media (max-width: 860px) {
  .nav-toggle { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; }
  .nav { display: none; position: absolute; top: 62px; left: 0; right: 0;
         background: var(--carte); border-bottom: 1px solid var(--alu); margin: 0; }
  .nav.open { display: block; }
  .nav ul { flex-direction: column; padding: 8px 12px 14px; }
  .nav a { padding: 12px; }
}

/* --- Fil d'Ariane ------------------------------------------------------ */
.breadcrumb { font-size: 0.85rem; color: var(--gris); padding: 14px 0 0; }
.breadcrumb ol { list-style: none; display: flex; flex-wrap: wrap; gap: 6px; padding: 0; margin: 0; }
.breadcrumb li + li::before { content: "›"; margin-right: 6px; color: var(--alu); }
.breadcrumb a { color: var(--gris); }

/* --- Héros ------------------------------------------------------------- */
.hero { background: linear-gradient(180deg, var(--carte), var(--bg)); border-bottom: 1px solid var(--alu); }
.hero .wrap { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 40px; align-items: center; padding-top: 48px; padding-bottom: 48px; }
.hero p.lead { font-size: 1.15rem; color: var(--gris); max-width: 34em; }
.hero-art { justify-self: center; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; margin-top: 1.4em; }
@media (max-width: 780px) {
  .hero .wrap { grid-template-columns: 1fr; gap: 24px; padding-top: 32px; padding-bottom: 32px; }
  .hero-art { max-width: 220px; }
}

/* --- Boutons ----------------------------------------------------------- */
.btn {
  display: inline-block; font-weight: 700; text-decoration: none;
  padding: 12px 22px; border-radius: 8px; border: 2px solid transparent;
  transition: background-color 0.15s, color 0.15s;
}
.btn-amazon { background: var(--orange-fonce); color: #fff; }
.btn-amazon:hover { background: var(--orange-survol); color: #fff; }
.btn-second { background: transparent; color: var(--bleu); border-color: var(--bleu); }
.btn-second:hover { background: var(--bleu); color: #fff; }
.btn-sm { padding: 9px 16px; font-size: 0.95rem; }

/* --- Cartes produit ---------------------------------------------------- */
.produits { list-style: none; padding: 0; margin: 1.5em 0; display: grid; gap: 20px; }
.produit {
  background: var(--carte); border: 1px solid var(--alu); border-radius: var(--r);
  padding: 22px 24px; position: relative;
}
.produit.top { border: 2px solid var(--orange); }
.produit h3 { margin: 0 0 4px; font-size: 1.2rem; }
.produit .badge {
  position: absolute; top: -12px; left: 20px; background: var(--orange-fonce); color: #fff;
  font-size: 0.75rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase;
  padding: 3px 10px; border-radius: 4px;
}
.produit .badge.alt { background: var(--bleu); }
.produit .badge.ok { background: var(--ok); }
.specs { display: flex; flex-wrap: wrap; gap: 8px 18px; list-style: none; padding: 0; margin: 10px 0 12px; font-size: 0.92rem; color: var(--gris); }
.specs li { margin: 0; }
.specs b { color: var(--ink); font-weight: 650; }
.pour-contre { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 24px; margin: 10px 0 14px; }
.pour-contre ul { margin: 0; padding-left: 1.2em; font-size: 0.95rem; }
.pour li::marker { content: "+ "; color: var(--ok); font-weight: 700; }
.contre li::marker { content: "− "; color: var(--orange-fonce); font-weight: 700; }
@media (max-width: 640px) { .pour-contre { grid-template-columns: 1fr; } }

/* --- Tableaux ---------------------------------------------------------- */
.table-scroll { overflow-x: auto; margin: 1.5em 0; border: 1px solid var(--alu); border-radius: var(--r); background: var(--carte); }
table { border-collapse: collapse; width: 100%; font-size: 0.95rem; min-width: 560px; }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--alu-clair); }
thead th { background: var(--bleu-fonce); color: #fff; font-weight: 650; white-space: nowrap; }
tbody tr:last-child td { border-bottom: 0; }
tbody tr:nth-child(even) { background: var(--bg); }
td a { font-weight: 600; }

/* --- Blocs éditoriaux -------------------------------------------------- */
.note {
  background: var(--alu-clair); border-left: 4px solid var(--bleu);
  padding: 14px 18px; border-radius: 0 8px 8px 0; margin: 1.4em 0; font-size: 0.98rem;
}
.note.attention { border-left-color: var(--orange); }

.grille-liens { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 14px; list-style: none; padding: 0; margin: 1.2em 0; }
.grille-liens a {
  display: block; background: var(--carte); border: 1px solid var(--alu); border-radius: 8px;
  padding: 14px 16px; text-decoration: none; font-weight: 650; color: var(--bleu-fonce);
}
.grille-liens a:hover { border-color: var(--orange); color: var(--orange-fonce); }
.grille-liens small { display: block; font-weight: 400; color: var(--gris); margin-top: 2px; }

/* --- FAQ --------------------------------------------------------------- */
.faq details { background: var(--carte); border: 1px solid var(--alu); border-radius: 8px; margin-bottom: 10px; padding: 0 18px; }
.faq summary { cursor: pointer; font-weight: 650; padding: 14px 0; color: var(--bleu-fonce); list-style: none; position: relative; padding-right: 28px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 2px; top: 12px; font-size: 1.2rem; color: var(--orange); font-weight: 700; }
.faq details[open] summary::after { content: "–"; }
.faq details p { padding-bottom: 14px; }

/* --- Sections ---------------------------------------------------------- */
main { padding-bottom: 56px; }
.section-alt { background: var(--carte); border-block: 1px solid var(--alu); padding: 40px 0; margin: 48px 0; }
.section-alt h2:first-of-type { margin-top: 0; }

/* --- Pied de page ------------------------------------------------------ */
.site-footer { background: var(--bleu-fonce); color: #cfd9e2; font-size: 0.92rem; margin-top: 64px; }
.site-footer .wrap { padding-top: 44px; padding-bottom: 28px; }
.footer-cols { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 28px; margin-bottom: 32px; }
.site-footer h2 { color: #fff; font-size: 0.95rem; text-transform: uppercase; letter-spacing: 0.08em; margin: 0 0 12px; }
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer li { margin-bottom: 7px; }
.site-footer a { color: #cfd9e2; text-decoration: none; }
.site-footer a:hover { color: var(--orange); text-decoration: underline; }
.footer-legal { border-top: 1px solid #2c4a66; padding-top: 20px; font-size: 0.85rem; color: #9fb0bf; }
.footer-legal p { margin-bottom: 6px; }

/* --- Divers ------------------------------------------------------------ */
.tag-nb { display: inline-flex; align-items: center; justify-content: center; min-width: 30px; height: 30px; border-radius: 6px; background: var(--bleu); color: #fff; font-weight: 800; margin-right: 10px; }
.maj { font-size: 0.85rem; color: var(--gris); margin-bottom: 1.4em; }
.skip-link { position: absolute; left: -9999px; top: 8px; background: var(--orange-fonce); color: #fff; padding: 10px 16px; border-radius: 8px; font-weight: 700; z-index: 100; }
.skip-link:focus { left: 8px; }