/* =========================================================
   Design : inspiré des schémas de câblage / plans techniques
   Palette claire "papier technique" + accents teal / rouille
   ========================================================= */

@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@500;600;700&family=Inter:wght@400;500;600&family=JetBrains+Mono:wght@500&display=swap');

:root {
  --bg:        #F1F3F5;
  --surface:   #FFFFFF;
  --ink:       #131A22;
  --ink-soft:  #4B5A67;
  --line:      #D7DCE1;
  --line-dark: #2B3440;
  --teal:      #0F6E62;
  --teal-dark: #0B4F47;
  --rust:      #B5502C;
  --amber:     #D98C1D;

  --font-head: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  --maxw: 1120px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
}

img { max-width: 100%; display: block; }

a { color: var(--teal-dark); }

.conteneur {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

h1, h2, h3 {
  font-family: var(--font-head);
  line-height: 1.15;
  margin: 0 0 0.5em;
  color: var(--ink);
}

h1 { font-size: clamp(2rem, 4vw, 3rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 2.6vw, 2.1rem); font-weight: 600; }
h3 { font-size: 1.15rem; font-weight: 600; }

p { margin: 0 0 1em; max-width: 62ch; color: var(--ink-soft); }

.etiquette-mono {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.02em;
  color: var(--teal-dark);
}

/* --- En-tête / navigation --------------------------------------------- */

.entete {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
  position: sticky;
  top: 0;
  z-index: 10;
}

.entete .conteneur {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 76px;
}

.logo {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--ink);
  text-decoration: none;
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.logo .point {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--rust);
  display: inline-block;
  transform: translateY(-2px);
}

.nav-principale {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav-principale a {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  padding: 6px 0;
  border-bottom: 2px solid transparent;
}

.nav-principale a:hover,
.nav-principale a[aria-current="page"] {
  color: var(--ink);
  border-bottom-color: var(--rust);
}

.bouton-menu {
  display: none;
  background: none;
  border: 1px solid var(--line-dark);
  border-radius: 6px;
  padding: 8px 10px;
  cursor: pointer;
}

.cta {
  display: inline-block;
  background: #B5502C; 
  color: #fff;
  padding: 11px 20px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid #B5502C;
}

.cta:hover { background: var(--teal); border-color: var(--teal); }

.cta-discret {
  color: var(--teal-dark);
  border: 1px solid var(--line-dark);
  background: transparent;
}
.cta-discret:hover { border-color: var(--teal-dark); background: rgba(15,110,98,0.06); }

/* --- Hero --------------------------------------------------------------- */

.hero {
  padding: 72px 0 56px;
  border-bottom: 1px solid var(--line);
}

.hero .conteneur {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
}

.hero-texte .etiquette-mono { display: block; margin-bottom: 14px; }

.hero-actions {
  display: flex;
  gap: 14px;
  margin-top: 28px;
  flex-wrap: wrap;
}

.hero-schema {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 6px;
  padding: 18px;
}

.hero-schema svg { width: 100%; height: auto; }

/* --- Bandeau de repères (chiffres clés) ---------------------------------- */

.reperes {
  border-bottom: 1px solid var(--line);
  background: var(--surface);
}

.reperes .conteneur {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0;
}

.repere {
  padding: 26px 20px;
  border-left: 1px solid var(--line);
  text-align: left;
}
.repere:first-child { border-left: none; }

.repere .valeur {
  font-family: var(--font-head);
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--teal-dark);
  display: block;
}
.repere .libelle { font-size: 0.88rem; color: var(--ink-soft); }

/* --- Sections génériques -------------------------------------------------- */

section.section { padding: 64px 0; }

.section-entete { max-width: 640px; margin-bottom: 40px; }

/* --- Grille de prestations (accueil) --------------------------------------- */

.grille-prestations {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.carte-prestation {
  background: var(--surface);
  padding: 26px 22px;
}

.carte-prestation .num {
  font-family: var(--font-mono);
  color: var(--rust);
  font-size: 0.85rem;
}

.carte-prestation h3 { margin: 10px 0 8px; }
.carte-prestation p { font-size: 0.92rem; }
.carte-prestation a { font-size: 0.88rem; font-weight: 600; text-decoration: none; }

/* --- Détail prestation (page prestations.php) ------------------------------ */

.prestation-detail {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 40px;
  padding: 44px 0;
  border-bottom: 1px solid var(--line);
}
.prestation-detail:last-child { border-bottom: none; }

.prestation-detail .repere-titre {
  position: sticky;
  top: 92px;
  align-self: start;
}

.liste-points {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.liste-points li {
  padding-left: 22px;
  position: relative;
  color: var(--ink);
  font-size: 0.98rem;
}

.liste-points li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 9px;
  height: 9px;
  border: 2px solid var(--teal-dark);
  background: var(--surface);
}

/* --- Page technologies ------------------------------------------------------ */

.groupe-techno { margin-bottom: 40px; }
.groupe-techno h2 {
  font-size: 1.05rem;
  font-family: var(--font-mono);
  text-transform: none;
  color: var(--ink-soft);
  border-bottom: 1px solid var(--line);
  padding-bottom: 10px;
  margin-bottom: 18px;
  font-weight: 500;
}

.grille-techno {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 14px;
}

.jeton-techno {
  border: 1px solid var(--line);
  background: var(--surface);
  padding: 16px;
  border-radius: 4px;
}

.jeton-techno .nom {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--ink);
  display: block;
  margin-bottom: 6px;
}

.jeton-techno .note { font-size: 0.85rem; color: var(--ink-soft); margin: 0; }

/* --- Formulaire de contact --------------------------------------------------- */

.mise-en-page-contact {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
}

.champ { margin-bottom: 18px; }
.champ label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  margin-bottom: 6px;
}

/* Champ pot de miel : hors écran (pas display:none, que certains robots savent
   détecter), invisible et inatteignable pour un visiteur humain. */
.champ-piege {
  position: absolute;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.champ input,
.champ select,
.champ textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line-dark);
  border-radius: 4px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: var(--surface);
  color: var(--ink);
}

.champ input:focus,
.champ select:focus,
.champ textarea:focus {
  outline: 2px solid var(--teal);
  outline-offset: 1px;
}

.champ-deux { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.message-etat {
  padding: 14px 16px;
  border-radius: 4px;
  margin-bottom: 22px;
  font-size: 0.92rem;
}
.message-etat.succes { background: #E4F1EE; border: 1px solid var(--teal); color: var(--teal-dark); }
.message-etat.erreur  { background: #FBEAE3; border: 1px solid var(--rust); color: var(--rust); }

.coordonnees-liste { list-style: none; padding: 0; margin: 0 0 24px; }
.coordonnees-liste li { padding: 10px 0; border-bottom: 1px solid var(--line); font-size: 0.95rem; }
.coordonnees-liste .etiquette-mono { display: block; margin-bottom: 2px; }

/* --- Pied de page ------------------------------------------------------------- */

.pied {
  border-top: 1px solid var(--line);
  padding: 40px 0;
  margin-top: 40px;
}

.pied .conteneur {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.pied nav { display: flex; gap: 20px; }
.pied nav a { color: var(--ink-soft); text-decoration: none; font-size: 0.88rem; }
.pied nav a:hover { color: var(--ink); }
.pied small { color: var(--ink-soft); font-size: 0.82rem; }

/* --- Responsive --------------------------------------------------------------- */

@media (max-width: 880px) {
  .hero .conteneur { grid-template-columns: 1fr; }
  .reperes .conteneur { grid-template-columns: repeat(2, 1fr); }
  .repere:nth-child(3) { border-left: none; }
  .grille-prestations { grid-template-columns: repeat(2, 1fr); }
  .grille-techno { grid-template-columns: repeat(2, 1fr); }
  .prestation-detail { grid-template-columns: 1fr; }
  .prestation-detail .repere-titre { position: static; }
  .mise-en-page-contact { grid-template-columns: 1fr; }

  .nav-principale {
    position: absolute;
    top: 76px;
    left: 0;
    right: 0;
    background: var(--surface);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px;
    display: none;
  }
  .nav-principale.ouvert { display: flex; }
  .bouton-menu { display: block; }
}

@media (max-width: 560px) {
  .grille-prestations { grid-template-columns: 1fr; }
  .grille-techno { grid-template-columns: 1fr; }
  .champ-deux { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}