/* ============================================
   SKP SOLUTIONS — Feuille de style partagée
   Stéphane Guillain, expert bâtiment indépendant
   ============================================ */

/* --- 1. TOKENS ------------------------------------------------ */

:root {
  /* Palette — monochrome bleu, aucune couleur d'accentuation tierce */
  --bleu:         #044574;
  --bleu-fonce:   #033355;
  --bleu-encre:   #022338;
  --bleu-lavis:   #eef3f8;
  --bleu-trait:   #cfdde8;
  --blanc:        #ffffff;
  --texte:        #1c2b38;
  --texte-doux:   #566573;
  --ligne:        #e3e8ed;

  /* Typographie */
  --titre: 'DM Serif Display', Georgia, serif;
  --corps: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Rythme */
  --sect-y: 96px;
  --gout:   clamp(20px, 5vw, 64px);
  --max:    1280px;
  --entete: 96px;
}

/* --- 2. RESET ------------------------------------------------- */

*, *::before, *::after { box-sizing: border-box; }
body, h1, h2, h3, h4, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { font: inherit; cursor: pointer; }

html { scroll-behavior: smooth; }

html, body { max-width: 100%; overflow-x: hidden; }

body {
  font-family: var(--corps);
  font-size: 16px;
  line-height: 1.7;
  color: var(--texte);
  background: var(--blanc);
  -webkit-font-smoothing: antialiased;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* --- 3. UTILITAIRES ------------------------------------------- */

.contenu {
  width: 100%;
  max-width: var(--max);
  margin-inline: auto;
  padding-inline: var(--gout);
}

/* Les éléments larges ne doivent jamais élargir la page */
img, svg, table, pre { max-width: 100%; }

.bloc { padding-block: var(--sect-y); }
.bloc--lavis  { background: var(--bleu-lavis); }
.bloc--encre  { background: var(--bleu); color: var(--blanc); }
.bloc--serre  { padding-block: 64px; }

.saut-contenu {
  position: absolute;
  left: -9999px;
  background: var(--bleu);
  color: var(--blanc);
  padding: 12px 20px;
  z-index: 999;
}
.saut-contenu:focus { left: 12px; top: 12px; }

:focus-visible {
  outline: 2px solid var(--bleu);
  outline-offset: 3px;
}
.bloc--encre :focus-visible { outline-color: var(--blanc); }

/* --- 4. TYPOGRAPHIE ------------------------------------------- */

.surtitre {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bleu);
  margin-bottom: 14px;
}
.bloc--encre .surtitre { color: rgba(255,255,255,0.6); }

h1, h2, h3 { font-family: var(--titre); font-weight: 400; line-height: 1.15; }

h1 { font-size: clamp(34px, 5.2vw, 56px); letter-spacing: -0.01em; }
h2 { font-size: clamp(28px, 3.8vw, 42px); }
h3 { font-size: 20px; }

.chapo {
  font-size: clamp(16px, 1.8vw, 18px);
  color: var(--texte-doux);
  max-width: 62ch;
  margin-top: 18px;
}
.bloc--encre .chapo { color: rgba(255,255,255,0.72); }

.entete-bloc { margin-bottom: 56px; max-width: 640px; }
.entete-bloc--centre { margin-inline: auto; text-align: center; }

/* --- 5. BOUTONS ----------------------------------------------- */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 15px 30px;
  border-radius: 6px;
  border: 1.5px solid transparent;
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  transition: background .18s ease, color .18s ease, border-color .18s ease;
  white-space: nowrap;
}

.btn--plein  { background: var(--bleu); color: var(--blanc); }
.btn--plein:hover  { background: var(--bleu-fonce); }

.btn--contour { border-color: var(--bleu-trait); color: var(--bleu); background: var(--blanc); }
.btn--contour:hover { border-color: var(--bleu); background: var(--bleu-lavis); }

.btn--blanc { background: var(--blanc); color: var(--bleu); }
.btn--blanc:hover { background: var(--bleu-lavis); }

.btn--fantome { border-color: rgba(255,255,255,0.4); color: var(--blanc); }
.btn--fantome:hover { border-color: var(--blanc); background: rgba(255,255,255,0.1); }

/* --- 6. EN-TÊTE ----------------------------------------------- */

.entete {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--ligne);
}

.entete__inner {
  height: var(--entete);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: nowrap;
}

.marque { display: flex; align-items: center; gap: 12px; text-decoration: none; flex: 0 0 auto; }
.marque__logo { height: 64px; width: auto; }
.marque__nom {
  white-space: nowrap;
  font-family: var(--titre);
  font-size: 18px;
  color: var(--bleu);
  letter-spacing: 0.02em;
  line-height: 1.1;
}

.nav { display: flex; align-items: center; gap: 18px; flex-wrap: nowrap; }
.nav a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--texte);
  text-decoration: none;
  padding-block: 6px;
  border-bottom: 2px solid transparent;
  transition: color .15s ease, border-color .15s ease;
}
.nav a:hover { color: var(--bleu); }
.nav a[aria-current="page"] { color: var(--bleu); border-bottom-color: var(--bleu); }

.entete__actions { display: flex; align-items: center; gap: 14px; flex: 0 0 auto; }

.tel-entete {
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--bleu);
  text-decoration: none;
}
.tel-entete:hover { text-decoration: underline; }
.tel-entete svg { flex: 0 0 auto; }

.burger {
  display: none;
  width: 44px; height: 44px;
  background: none;
  border: 1px solid var(--ligne);
  border-radius: 6px;
  align-items: center;
  justify-content: center;
  color: var(--bleu);
}

/* --- 7. BARRE MOBILE FIXE ------------------------------------- */

.barre-mobile { display: none; }

/* --- 8. PIED DE PAGE ------------------------------------------ */

.pied {
  background: var(--bleu-encre);
  color: rgba(255,255,255,0.72);
  padding-block: 64px 32px;
  font-size: 15px;
}
.pied a { color: rgba(255,255,255,0.72); text-decoration: none; }
.pied a:hover { color: var(--blanc); }

.pied__grille {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,0.12);
}

.pied__titre {
  font-family: var(--corps);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--blanc);
  margin-bottom: 18px;
}
.pied ul li { margin-bottom: 10px; }
.pied__marque { font-family: var(--titre); font-size: 22px; color: var(--blanc); margin-bottom: 14px; }
.pied__legal {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  justify-content: space-between;
  padding-top: 26px;
  font-size: 13px;
  color: rgba(255,255,255,0.5);
}
.pied__legal ul { display: flex; flex-wrap: wrap; gap: 22px; }

.reseaux { display: flex; gap: 12px; margin-top: 18px; }
.reseaux a {
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,0.2);
  border-radius: 6px;
  display: grid;
  place-items: center;
  transition: border-color .15s ease, background .15s ease;
}
.reseaux a:hover { border-color: var(--blanc); background: rgba(255,255,255,0.08); }

/* --- 9. RESPONSIVE -------------------------------------------- */

@media (max-width: 1240px) {
  :root { --sect-y: 68px; }

  .nav {
    position: fixed;
    inset: var(--entete) 0 auto 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--blanc);
    border-bottom: 1px solid var(--ligne);
    padding: 8px var(--gout) 20px;
    transform: translateY(-120%);
    transition: transform .25s ease;
    box-shadow: 0 12px 30px rgba(4,69,116,0.08);
  }
  .nav[data-ouvert="true"] { transform: translateY(0); }
  .nav a { padding: 14px 0; border-bottom: 1px solid var(--ligne); }
  .nav a[aria-current="page"] { border-bottom-color: var(--ligne); }

  .burger { display: inline-flex; }
  .tel-entete span { display: none; }

  .pied__grille { grid-template-columns: 1fr 1fr; gap: 36px; }

  /* Barre de contact fixe en bas — l'élément que Wix ne permettait pas */
  .barre-mobile {
    display: grid;
    grid-template-columns: 1fr 1fr;
    position: fixed;
    bottom: 0; left: 0; right: 0;
    z-index: 90;
    background: var(--blanc);
    border-top: 1px solid var(--ligne);
    box-shadow: 0 -6px 20px rgba(4,69,116,0.09);
  }
  .barre-mobile a {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 16px 8px;
    font-size: 15px;
    font-weight: 700;
    text-decoration: none;
  }
  .barre-mobile__tel { color: var(--bleu); }
  .barre-mobile__devis { background: var(--bleu); color: var(--blanc); }

  body { padding-bottom: 58px; }
}

@media (max-width: 560px) {
  .marque__nom { font-size: 15px; }
  .marque__logo { height: 48px; }
  .pied__grille { grid-template-columns: 1fr; }
}

/* --- 10. PAGES LÉGALES ---------------------------------------- */

.tete-legale {
  background: var(--bleu);
  color: var(--blanc);
  padding-block: 60px 52px;
}
.tete-legale h1 { margin-bottom: 14px; }
.tete-legale p { color: rgba(255,255,255,0.7); font-size: 15px; }
.tete-legale .surtitre { color: rgba(255,255,255,0.6); }

.legal { max-width: 78ch; padding-block: 72px; }
.legal > * + * { margin-top: 18px; }
.legal h2 {
  font-size: 24px;
  margin-top: 44px;
  padding-top: 22px;
  border-top: 1px solid var(--ligne);
}
.legal h2:first-of-type { margin-top: 0; padding-top: 0; border-top: none; }
.legal h3 { font-size: 18px; margin-top: 26px; }
.legal p { font-size: 15.5px; line-height: 1.78; color: var(--texte-doux); }
.legal strong { color: var(--texte); font-weight: 700; }
.legal a { color: var(--bleu); }

.legal ul { display: grid; gap: 10px; padding-left: 2px; }
.legal ul li {
  display: flex;
  gap: 11px;
  align-items: flex-start;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--texte-doux);
}
.legal ul li::before {
  content: "";
  flex: 0 0 auto;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--bleu);
  margin-top: 11px;
}

.legal dl {
  border: 1px solid var(--bleu-trait);
  border-radius: 10px;
  overflow: hidden;
  background: var(--blanc);
}
.legal dl > div {
  display: grid;
  grid-template-columns: 210px 1fr;
  gap: 18px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--ligne);
  font-size: 15px;
}
.legal dl > div:last-child { border-bottom: none; }
.legal dt { font-weight: 700; }
.legal dd { margin: 0; color: var(--texte-doux); }

.legal .maj {
  font-size: 13.5px;
  color: var(--texte-doux);
  padding: 14px 18px;
  background: var(--bleu-lavis);
  border-radius: 8px;
}

@media (max-width: 620px) {
  .legal dl > div { grid-template-columns: 1fr; gap: 3px; }
}


/* --- 11. CORRECTIFS MOBILE ------------------------------------ */

@media (max-width: 720px) {
  :root {
    --entete: 68px;
    --gout: 18px;
  }

  /* L'en-tête ne conserve que le logo, l'icône téléphone et le menu.
     Le bouton devis reste accessible via la barre fixe du bas. */
  .entete__actions .btn { display: none; }
  .entete__inner { gap: 12px; }
  .marque { gap: 9px; }
  .marque__logo { height: 40px; }
  .marque__nom { font-size: 14px; letter-spacing: 0.01em; }

  .nav { padding-bottom: 16px; }

  /* Titres et textes resserrés */
  h1 { font-size: clamp(28px, 8vw, 34px); }
  h2 { font-size: clamp(24px, 6.5vw, 30px); }
  .chapo { font-size: 15.5px; }
  body { font-size: 15px; }

  /* Les tableaux larges défilent au lieu d'élargir la page */
  .tableau { display: block; overflow-x: auto; white-space: normal; }
  .tableau thead th { white-space: nowrap; }

  /* Boutons pleine largeur, plus faciles à toucher */
  .btn { padding: 14px 24px; }
}

@media (max-width: 420px) {
  .marque__nom { display: none; }
  .marque__logo { height: 42px; }
}