/* ============================================================
   ARTJO SÀRL — Feuille de style principale
   ============================================================
   Pour changer les couleurs ou polices, modifiez :root
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,600;0,700;1,400&family=DM+Sans:wght@300;400;500;600&display=swap');

/* ---- VARIABLES GLOBALES ---- */
:root {
  --color-bg:         #FFFFFF;
  --color-text:       #1E1E1A;
  --color-accent:     #6B7A5E;
  --color-accent-lt:  #8A9A6E;
  --color-dark:       #3A3D2E;
  --color-mid:        #5F5E5A;
  --color-light:      #DDDBD5;
  --color-white:      #FFFFFF;
  --font-head:        'Playfair Display', Georgia, serif;
  --font-body:        'DM Sans', system-ui, sans-serif;
  --radius:           4px;
  --shadow:           0 4px 24px rgba(0,0,0,.10);
  --transition:       .3s ease;
  --nav-height:       84px;
}

/* ---- RESET ---- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { background: var(--color-bg); color: var(--color-text); font-family: var(--font-body); line-height: 1.7; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; }

/* ---- NAVIGATION ---- */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  height: var(--nav-height);
  background: linear-gradient(to right, #ffffff 0%, #6B7A5E 100%);
  border-bottom: 1px solid rgba(107,122,94,.2);
  display: flex; align-items: center;
  padding: 0 2rem;
  gap: 2rem;
  box-shadow: 0 2px 8px rgba(0,0,0,.06);
}
.nav-logo { display: flex; align-items: center; }
.nav-logo img { height: 64px; width: auto; }
.nav-logo-text { font-family: var(--font-head); font-size: 1.3rem; color: var(--color-accent); font-weight: 700; }
.nav-links { display: flex; gap: .25rem; margin-left: auto; }
.nav-links a {
  font-size: .82rem; font-weight: 600; letter-spacing: .08em;
  text-transform: uppercase; padding: .5rem .9rem;
  border-radius: var(--radius);
  background: var(--color-accent); color: var(--color-white);
  transition: background var(--transition), color var(--transition);
}
.nav-links a:hover {
  background: var(--color-accent-lt); color: var(--color-white);
}
.nav-links a.active {
  background: var(--color-dark); color: var(--color-white);
}
.nav-burger { display: none; cursor: pointer; flex-direction: column; gap: 5px; margin-left: auto; }
.nav-burger span { display: block; width: 24px; height: 2px; background: var(--color-dark); transition: var(--transition); }

/* ---- HERO / SLIDER ---- */
.hero {
  margin-top: var(--nav-height);
  position: relative; overflow: hidden;
  
  height: 55vh; min-height: 340px; max-height: 540px;
  background: var(--color-dark);
}
.slide {
  position: absolute; inset: 0;
  opacity: 0; transition: opacity 1s ease;
  display: flex; align-items: flex-end;
}
.slide.active { opacity: 1; }
.slide-bg {
  position: absolute; inset: 0;
  background-size: cover; background-position: center;
}
.slide-bg::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to top, rgba(0,0,0,.65) 0%, transparent 60%);
}
.slide-content {
  position: relative; z-index: 2;
  padding: 3rem 4rem; max-width: 760px;
  color: var(--color-white);
}
.slide-content h2 {
  font-family: var(--font-head); font-size: clamp(1.6rem, 4vw, 3rem);
  line-height: 1.2; margin-bottom: .8rem;
}
.slide-content p { font-size: 1rem; opacity: .85; }
.hero-btn {
  display: inline-block; margin-top: 1.4rem;
  background: var(--color-accent); color: var(--color-white);
  padding: .7rem 2rem; border-radius: var(--radius);
  font-weight: 600; font-size: .85rem; letter-spacing: .05em;
  transition: background var(--transition);
}
.hero-btn:hover { background: var(--color-accent-lt); }
.hero-dots {
  position: absolute; bottom: 1.5rem; right: 2rem; z-index: 3;
  display: flex; gap: .5rem;
}
.hero-dots button {
  width: 10px; height: 10px; border-radius: 50%;
  border: 2px solid rgba(255,255,255,.6);
  background: transparent; cursor: pointer; transition: var(--transition);
}
.hero-dots button.active { background: var(--color-white); border-color: var(--color-white); }

/* ---- SECTIONS ---- */
.section { padding: 5rem 2rem; }
.section-alt { background: var(--color-light); }
.container { max-width: 1100px; margin: 0 auto; }
.section-label {
  font-size: .75rem; font-weight: 600; letter-spacing: .18em;
  text-transform: uppercase; color: var(--color-accent);
  margin-bottom: .5rem;
}
.section-title {
  font-family: var(--font-head); font-size: clamp(1.6rem, 3vw, 2.4rem);
  line-height: 1.2; margin-bottom: 1.5rem;
}
.section-lead { font-size: 1.05rem; color: var(--color-mid); max-width: 660px; margin-bottom: 2rem; }
.divider { width: 120px; height: 3px; background: var(--color-accent); margin-bottom: 2rem; }

/* ---- CARDS GRID ---- */
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.card {
  background: var(--color-white); border-radius: var(--radius);
  box-shadow: var(--shadow); overflow: hidden;
  transition: transform var(--transition);
}
.card:hover { transform: translateY(-4px); }
.card-img { height: 180px; background: var(--color-light); }
.card-img img { width: 100%; height: 100%; object-fit: cover; }
.card-body { padding: 1.4rem; }
.card-title { font-family: var(--font-head); font-size: 1.1rem; margin-bottom: .5rem; }
.card-text { font-size: .9rem; color: var(--color-mid); }

/* ---- PAGE HERO (sous-pages) ---- */
.page-hero {
  margin-top: var(--nav-height);
  padding: 5rem 2rem 3rem;
  background: var(--color-dark); color: var(--color-white);
  text-align: center;
}
.page-hero h1 { font-family: var(--font-head); font-size: clamp(2rem, 5vw, 3.5rem); margin-bottom: .5rem; }
.page-hero p { color: rgba(255,255,255,.7); font-size: 1rem; }
.page-hero .breadcrumb { font-size: .8rem; color: rgba(255,255,255,.5); margin-bottom: 1rem; }
.page-hero .breadcrumb a { color: var(--color-accent-lt); }

/* Variante compacte pour les sous-pages */
.page-hero--sm { padding: 2.5rem 2rem 1.8rem; }
.page-hero--sm h1 { font-size: clamp(1.4rem, 3.5vw, 2.2rem); margin-bottom: .3rem; }
.page-hero--sm p { font-size: .9rem; }

/* ---- LISTE RÉFÉRENCES ---- */
.ref-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; margin-top: 2rem; }
.ref-item {
  background: var(--color-white); border-radius: var(--radius);
  padding: 1.2rem 1.4rem; box-shadow: var(--shadow);
  font-weight: 500; border-left: 3px solid var(--color-accent);
  transition: transform var(--transition);
}
.ref-item:hover { transform: translateX(4px); }

/* ---- COMPÉTENCES ---- */
.comp-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 1.5rem; margin-top: 2rem; }
.comp-item {
  background: var(--color-white); border-radius: var(--radius);
  padding: 1.8rem 1.5rem; box-shadow: var(--shadow); text-align: center;
}
.comp-icon { font-size: 2.5rem; margin-bottom: 1rem; }
.comp-title { font-family: var(--font-head); font-size: 1.1rem; margin-bottom: .5rem; }
.comp-text { font-size: .88rem; color: var(--color-mid); }

/* ---- FORMULAIRE CONTACT ---- */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; margin-top: 2rem; }
.contact-info h3 { font-family: var(--font-head); font-size: 1.4rem; margin-bottom: 1rem; }
.contact-info p { color: var(--color-mid); margin-bottom: .5rem; font-size: .95rem; }
.contact-info a { color: var(--color-accent); }
.form-group { margin-bottom: 1.2rem; }
.form-group label { display: block; font-weight: 500; font-size: .88rem; margin-bottom: .4rem; }
.form-group input,
.form-group textarea,
.form-group select {
  width: 100%; padding: .75rem 1rem;
  border: 1px solid var(--color-light); border-radius: var(--radius);
  font-family: var(--font-body); font-size: .95rem; background: var(--color-white);
  transition: border var(--transition);
}
.form-group input:focus,
.form-group textarea:focus { outline: none; border-color: var(--color-accent); }
.form-group textarea { resize: vertical; min-height: 120px; }
.btn {
  display: inline-block; padding: .8rem 2.2rem;
  background: var(--color-accent); color: var(--color-white);
  border: none; border-radius: var(--radius);
  font-family: var(--font-body); font-size: .95rem; font-weight: 600;
  cursor: pointer; transition: background var(--transition);
}
.btn:hover { background: var(--color-accent-lt); }
.form-msg { margin-top: 1rem; font-size: .9rem; display: none; }
.form-msg.success { color: green; }
.form-msg.error   { color: red; }

/* ---- MAP ---- */
.map-wrap { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); margin-top: 2rem; }
.map-wrap iframe { width: 100%; height: 380px; border: none; display: block; }

/* ---- FOOTER ---- */
.footer {
  background: var(--color-dark); color: rgba(255,255,255,.7);
  padding: 3rem 2rem 1.5rem; font-size: .88rem;
}
.footer-inner { max-width: 1100px; margin: 0 auto; display: grid; grid-template-columns: 1.5fr 1fr 1fr 1fr; gap: 2rem; }
.footer h4 { color: var(--color-white); font-family: var(--font-head); margin-bottom: .8rem; font-size: 1rem; }
.footer a:hover { color: var(--color-accent-lt); }
.footer-bottom { max-width: 1100px; margin: 2rem auto 0; padding-top: 1rem; border-top: 1px solid rgba(255,255,255,.1); display: flex; justify-content: space-between; flex-wrap: wrap; gap: .5rem; }

/* ---- LANGUAGE SWITCHER ---- */
.nav-lang {
  margin-left: 1rem;
  font-size: .78rem; font-weight: 600;
  font-family: var(--font-body);
  padding: .28rem .5rem;
  border: 1px solid var(--color-light);
  border-radius: var(--radius);
  background: var(--color-white);
  color: var(--color-text);
  cursor: pointer;
  transition: border-color var(--transition);
}
.nav-lang:hover { border-color: var(--color-accent); }
.nav-lang:focus { outline: 2px solid var(--color-accent); outline-offset: 2px; }

/* ---- RESPONSIVE ---- */
/* ============================================================
   TABLETTE (max 1024px)
   ============================================================ */
@media (max-width: 1024px) {
  .nav-links a { font-size: .78rem; padding: .5rem .6rem; }
  .comp-grid { grid-template-columns: repeat(2, 1fr); }
  .ref-grid  { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 1.5rem; }
  .footer-inner > div:nth-child(4) { margin-top: 0; }
  .contact-grid { gap: 2rem; }
  .slide-content { padding: 2.5rem 3rem; }
}

/* ============================================================
   MOBILE (max 768px)
   ============================================================ */
@media (max-width: 768px) {

  /* -- Navigation -- */
  .nav { padding: 0 1rem; gap: 0; }
  .nav-links {
    display: none; flex-direction: column;
    position: absolute; top: var(--nav-height); left: 0; right: 0;
    background: var(--color-bg); padding: 1rem;
    border-bottom: 1px solid rgba(255,255,255,.1);
    box-shadow: 0 4px 12px rgba(0,0,0,.08);
    z-index: 99;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: .75rem 1rem; font-size: .9rem; border-radius: var(--radius); }
  .nav-burger { display: flex; margin-left: auto; }
  .nav-lang { display: none; } /* masqué sur mobile — intégré dans le menu burger */

  /* -- Hero slider -- */
  .hero { max-height: 360px; min-height: 260px; }
  .slide-content { padding: 1.5rem; }
  .slide-content h2 { font-size: 1.3rem; }
  .slide-content p  { font-size: .88rem; }
  .hero-btn { padding: .55rem 1.4rem; font-size: .8rem; margin-top: 1rem; }
  .hero-dots { bottom: 1rem; right: 1rem; }

  /* -- Sections -- */
  .section { padding: 3rem 1.2rem; }
  .section-title { font-size: 1.4rem; }
  .section-lead  { font-size: .95rem; }

  /* -- Page hero sous-pages -- */
  .page-hero { padding: 3.5rem 1.2rem 2rem; }
  .page-hero h1 { font-size: 1.8rem; }

  /* -- Grilles -- */
  .comp-grid { grid-template-columns: 1fr; gap: 1rem; }
  .ref-grid  { grid-template-columns: 1fr; gap: .75rem; }
  .cards     { grid-template-columns: 1fr; }

  /* -- Contact -- */
  .contact-grid { grid-template-columns: 1fr; gap: 2rem; }
  .map-wrap iframe { height: 280px; }

  /* -- Footer -- */
  .footer { padding: 2rem 1.2rem 1.2rem; }
  .footer-inner { grid-template-columns: 1fr; gap: 1.2rem; }
  .footer-bottom { flex-direction: column; gap: .3rem; font-size: .8rem; }

  /* -- Galerie -- */
  .gallery-grid { grid-template-columns: repeat(2, 1fr); gap: .6rem; }
  .gallery-filters { gap: .35rem; }
  .filter-btn { padding: .35rem .8rem; font-size: .78rem; }
  .lightbox-prev { left: .3rem; }
  .lightbox-next { right: .3rem; }
}

/* ============================================================
   TRÈS PETIT MOBILE (max 480px)
   ============================================================ */
@media (max-width: 480px) {
  .gallery-grid { grid-template-columns: 1fr; }
  .hero { max-height: 300px; }
  .slide-content h2 { font-size: 1.1rem; }
  .hero-btn { display: none; } /* trop petit pour le bouton */
  .comp-item { padding: 1.2rem 1rem; }
  .ref-item  { padding: 1rem; }
  .btn { width: 100%; text-align: center; display: block; }
}

/* ── SVG icons dans comp-item (remplacement emojis) ── */
.comp-icon svg {
  display: block;
  margin: 0 auto;
}

/* ── Note changement de police (pour l'utilisateur) ──────────
   CHANGER LA POLICE DU SITE :
   1. Allez sur https://fonts.google.com/
   2. Choisissez une police, copiez le <link> fourni
   3. Collez-le dans le <head> de chaque fichier HTML
      AVANT la ligne <link rel="stylesheet" href="css/style.css">
   4. Modifiez --font-head et/ou --font-body dans :root ci-dessus
      Exemples : 'Lato', 'Montserrat', 'Open Sans', 'Raleway'
   ─────────────────────────────────────────────────────────── */


/* ── V3 : alignement centré global ──────────────────────── */
/* Sections de contenu centrées */
.section > .container { text-align: center; }

/* Mais les grilles, formulaires et listes restent alignés à gauche */
.section > .container .comp-grid,
.section > .container .ref-grid,
.section > .container .cards,
.section > .container .contact-grid,
.section > .container .logos-grid,
.section > .container .gallery-grid,
.section > .container .gallery-filters,
.section > .container .legal-body,
.section > .container form,
.section > .container address,
.section > .container .contact-info { text-align: left; }

/* Éléments de grille centrés individuellement */
.comp-item { text-align: center; }
.ref-item  { text-align: left;   }

/* Section-lead centrée */
.section-lead { margin-left: auto; margin-right: auto; }

/* Divider centré */
.divider { margin-left: auto; margin-right: auto; }

/* Hero / page-hero toujours centré */
.page-hero { text-align: center; }
.slide-content { text-align: left; } /* slider garde son alignement gauche */

/* Footer interne : colonnes alignées à gauche, footer centré dans sa largeur */
.footer-inner { text-align: left; }


/* ── Contact : séparateur vertical entre les 2 colonnes ─── */
.contact-grid > div:last-child {
  border-left: 2px solid var(--color-light);
  padding-left: 2.5rem;
}
@media (max-width: 768px) {
  .contact-grid > div:last-child {
    border-left: none;
    padding-left: 0;
    border-top: 2px solid var(--color-light);
    padding-top: 2rem;
  }
}