/* =============================================================
   SOSSON J. ARTISAN — Feuille de style principale
   Thème : VERT NATURE + BOIS — clair, artisanal, chaleureux
   -------------------------------------------------------------
   Sommaire :
   1.  Variables & thème
   2.  Reset & base
   3.  Typographie
   4.  Boutons
   5.  Layout (container, sections, grid)
   6.  Header & navigation
   7.  Hero
   8.  Cards services
   9.  Bandeau confiance / chiffres
   10. À propos
   11. Galerie chantiers
   12. Avis clients
   13. Zone d'intervention
   14. FAQ
   15. CTA
   16. Footer
   17. Fil d'ariane
   18. Formulaire contact
   19. Animations / utilitaires
   20. Responsive
   ============================================================= */

/* 1. ============================ VARIABLES ============================ */
:root{
  /* Clair artisanal (sable / blanc) */
  --bg-900:#1B5E20;          /* fond le plus foncé (footer vert forêt) */
  --bg-850:#FBF8F1;          /* fond principal sable clair */
  --bg-800:#F5F0E6;          /* sections alternées (sable) */
  --bg-700:#FAF6EE;          /* cartes survol / surfaces */
  --bg-card:#FFFFFF;         /* surface carte (blanc) */
  --bg-elevated:#FFFFFF;     /* carte mise en avant */

  /* Vert nature (du clair au foncé) */
  --vert-900:#0F3D14;
  --vert-800:#1B5E20;
  --vert-700:#2E7D32;
  --vert-600:#388E3C;
  --vert-500:#2E7D32;        /* accent principal (vert nature foncé) */
  --vert-400:#43A047;        /* liens / icônes */
  --vert-300:#2E7D32;        /* survol liens */
  --vert-200:#C8E6C9;        /* fonds verts très clairs */
  --vert-100:#E8F5E9;

  /* Bois / marron (remplace l'or) */
  --or-700:#3E2723;          /* marron très foncé */
  --or-600:#4E342E;
  --or-500:#5D4037;          /* marron bois principal */
  --or-400:#6D4C41;          /* labels / eyebrow */
  --or-300:#8D6E63;          /* marron clair */

  /* Texte (foncé sur fond clair) */
  --txt-100:#1B2A1F;         /* titres (vert très foncé) */
  --txt-300:#3D4A3F;         /* corps */
  --txt-400:#5A6B5C;         /* secondaire */
  --txt-500:#8A978C;         /* tertiaire / muted */

  /* Lignes / bordures (sable) */
  --line:#E0D9C8;            /* bordure subtile */
  --line-2:#D6CDB8;

  /* États */
  --erreur:#C62828;
  --ok:#2E7D32;

  /* Typo */
  --font-titre:"Poppins","Segoe UI",Tahoma,system-ui,sans-serif;
  --font-corps:"Inter","Segoe UI",Tahoma,system-ui,-apple-system,sans-serif;

  /* Rythme & sizing */
  --container:1200px;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:28px;
  --radius-xl:36px;
  --ombre-sm:0 2px 8px rgba(60,72,55,.10);
  --ombre:0 12px 40px rgba(60,72,55,.14);
  --ombre-lg:0 28px 70px rgba(60,72,55,.20);
  --glow:0 0 40px rgba(46,125,50,.18);
  --transi:.3s cubic-bezier(.4,0,.2,1);
  --transi-slow:.55s cubic-bezier(.4,0,.2,1);
}

/* 2. ============================ RESET & BASE ============================ */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;overflow-x:hidden;overflow-x:clip}
body{
  font-family:var(--font-corps);
  font-size:1.0625rem;
  line-height:1.7;
  color:var(--txt-300);
  background:var(--bg-850);
  background-image:
    radial-gradient(ellipse 80% 50% at 20% 0%,rgba(46,125,50,.06),transparent 60%),
    radial-gradient(ellipse 60% 40% at 90% 100%,rgba(93,64,55,.04),transparent 60%);
  background-attachment:fixed;
  overflow-x:hidden;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
img,svg,picture,video{max-width:100%;height:auto;display:block}
img{font-style:italic;background-repeat:no-repeat;background-size:cover}
a{color:var(--vert-400);text-decoration:none;transition:color var(--transi)}
a:hover{color:var(--vert-300)}
ul,ol{padding-left:1.2rem}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
input,textarea,select{font-family:inherit;font-size:1rem}
:focus-visible{outline:2px solid var(--vert-500);outline-offset:3px;border-radius:6px}
::selection{background:var(--vert-500);color:#FFFFFF}

.skip-link{
  position:absolute;left:16px;top:-60px;z-index:2000;
  background:var(--vert-500);color:#FFFFFF;padding:12px 20px;border-radius:0 0 10px 10px;
  transition:top .2s;font-weight:700;
}
.skip-link:focus{top:0;color:#FFFFFF}

/* 3. ============================ TYPOGRAPHIE ============================ */
h1,h2,h3,h4,h5{font-family:var(--font-titre);font-weight:700;line-height:1.15;color:var(--txt-100);letter-spacing:-.02em}
h1{font-size:clamp(2.2rem,5.2vw,3.8rem);font-weight:800}
h2{font-size:clamp(1.75rem,3.6vw,2.6rem)}
h3{font-size:clamp(1.25rem,2.4vw,1.6rem);color:var(--txt-100)}
h4{font-size:1.15rem;color:var(--txt-100)}
p{margin-bottom:1rem;color:var(--txt-300)}
.lead{font-size:1.2rem;color:var(--txt-400);line-height:1.65;font-weight:400}
strong{color:var(--txt-100);font-weight:600}
.section-intro{max-width:700px;margin:0 auto 3.5rem;text-align:center}
.section-intro p{color:var(--txt-400)}
.titre-eyebrow{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--font-titre);font-weight:600;font-size:.78rem;
  text-transform:uppercase;letter-spacing:.22em;color:var(--or-400);
  margin-bottom:.9rem;
}
.titre-eyebrow::before{content:"";width:28px;height:2px;background:linear-gradient(90deg,var(--vert-500),var(--or-500));border-radius:2px}
.section-intro .titre-eyebrow{justify-content:center}
.gradient-text{
  background:linear-gradient(120deg,var(--vert-300),var(--vert-500) 50%,var(--or-400));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}

/* 4. ============================ BOUTONS ============================ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:.55rem;
  font-family:var(--font-titre);font-weight:600;font-size:1rem;
  padding:.95rem 1.8rem;border-radius:50px;
  transition:transform var(--transi),box-shadow var(--transi),background var(--transi),color var(--transi),border-color var(--transi);
  text-align:center;line-height:1;white-space:nowrap;cursor:pointer;
  border:1.5px solid transparent;
}
.btn svg{width:1.15em;height:1.15em}
.btn-primary{background:linear-gradient(120deg,var(--vert-700),var(--vert-600));color:#FFFFFF;box-shadow:0 8px 24px rgba(46,125,50,.30)}
.btn-primary:hover{color:#FFFFFF;transform:translateY(-2px);box-shadow:0 14px 32px rgba(46,125,50,.42)}
.btn-gold{background:linear-gradient(120deg,var(--or-500),var(--or-600));color:#FFFFFF;box-shadow:0 8px 24px rgba(93,64,55,.28)}
.btn-gold:hover{color:#FFFFFF;transform:translateY(-2px);box-shadow:0 14px 32px rgba(93,64,55,.40)}
.btn-secondary{background:rgba(46,125,50,.08);color:var(--vert-700);border-color:rgba(46,125,50,.25);backdrop-filter:blur(8px)}
.btn-secondary:hover{background:rgba(46,125,50,.14);color:var(--vert-700);transform:translateY(-2px);border-color:rgba(46,125,50,.45)}
.btn-ghost{background:transparent;color:var(--vert-700);border-color:var(--vert-600)}
.btn-ghost:hover{background:var(--vert-600);color:#FFFFFF;transform:translateY(-2px);border-color:var(--vert-600)}
.btn-light{background:#FFFFFF;color:var(--vert-800)}
.btn-light:hover{background:#FFFFFF;transform:translateY(-2px);color:var(--vert-800);box-shadow:var(--ombre-sm)}
.btn-block{display:flex;width:100%}
.btn-lg{padding:1.15rem 2.3rem;font-size:1.1rem}

/* 5. ============================ LAYOUT ============================ */
.container{width:100%;max-width:var(--container);margin-inline:auto;padding-inline:clamp(1rem,4vw,2rem)}
.section{padding-block:clamp(4rem,9vw,7rem)}
.section-alt{background:var(--bg-800);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.grid{display:grid;gap:1.8rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
.center{text-align:center}
.mt-1{margin-top:.5rem}.mt-2{margin-top:1rem}.mt-3{margin-top:1.5rem}.mt-4{margin-top:2rem}.mt-5{margin-top:3rem}

/* 6. ============================ HEADER & NAV ============================ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1000;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(160%) blur(16px);
  -webkit-backdrop-filter:saturate(160%) blur(16px);
  border-bottom:1px solid transparent;
  transition:background var(--transi),box-shadow var(--transi),border-color var(--transi);
}
.site-header.scrolled{background:rgba(255,255,255,.96);box-shadow:0 6px 30px rgba(60,72,55,.12);border-color:var(--line)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:1.2rem;height:80px;padding-inline:clamp(.5rem,2vw,1rem)}
.logo{display:flex;align-items:center;gap:.6rem;text-decoration:none;flex-shrink:0;margin-left:-.3rem}
.logo img{height:64px!important;width:auto;max-width:none;flex-shrink:0}
.logo-text{display:flex;flex-direction:column;line-height:1.05}
.logo-text strong{font-family:var(--font-titre);font-weight:700;font-size:1.1rem;color:var(--txt-100);letter-spacing:.01em}
.logo-text span{font-family:var(--font-titre);font-size:.6rem;font-weight:600;color:var(--or-400);text-transform:uppercase;letter-spacing:.22em}

.nav{display:flex;align-items:center;gap:.25rem}
.nav a{
  position:relative;font-family:var(--font-titre);font-weight:500;font-size:.92rem;
  color:var(--txt-300);padding:.55rem .9rem;border-radius:8px;
}
.nav a::after{content:"";position:absolute;left:50%;bottom:.15rem;transform:translateX(-50%);width:0;height:2px;background:linear-gradient(90deg,var(--vert-500),var(--or-500));border-radius:2px;transition:width var(--transi)}
.nav a:hover{color:var(--txt-100)}
.nav a:hover::after,.nav a.active::after{width:24px}
.nav a.active{color:var(--vert-300)}

.header-cta{display:flex;align-items:center;gap:.75rem}
.header-phone{
  display:inline-flex;align-items:center;gap:.45rem;
  font-family:var(--font-titre);font-weight:600;color:var(--txt-100);font-size:.95rem;
}
.header-phone svg{width:1.05em;height:1.05em;color:var(--or-400)}

.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;background:rgba(46,125,50,.08);
  border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--vert-700);border-radius:2px;transition:transform var(--transi),opacity var(--transi)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.nav-overlay{position:fixed;inset:0;background:rgba(5,10,8,.7);backdrop-filter:blur(3px);opacity:0;visibility:hidden;transition:opacity var(--transi),visibility var(--transi);z-index:998}
.nav-overlay.open{opacity:1;visibility:visible}

/* 7. ============================ HERO ============================ */
.hero{
  position:relative;min-height:min(94vh,860px);display:flex;align-items:center;
  padding-top:100px;color:#FFFFFF;overflow:hidden;
}
.hero::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background:
    linear-gradient(90deg,rgba(15,61,20,.82) 0%,rgba(21,72,47,.62) 50%,rgba(27,94,32,.38) 100%),
    linear-gradient(0deg,rgba(8,16,12,.85) 0%,transparent 40%);
}
.hero-content{
  max-width:680px;
  padding:clamp(1rem,3vw,2rem) 0;
}
.hero .titre-eyebrow{color:#C8E6C9}
.hero .titre-eyebrow::before{background:linear-gradient(90deg,#C8E6C9,#FFFFFF)}
.hero h1{margin-bottom:1.3rem;color:#FFFFFF}
.hero h1 .accent{color:#FFFFFF}
.hero .lead{color:rgba(255,255,255,.9);font-size:1.22rem;margin-bottom:2.2rem}
.hero .lead strong{color:#FFFFFF}
.hero-actions{display:flex;flex-wrap:wrap;gap:1rem;margin-bottom:2.8rem}
/* Boutons secondaires sur fond foncé (hero / hero-page / cta-band) : bordure + texte blancs pour rester lisibles */
.hero .btn-secondary,.hero-page .btn-secondary,.cta-band .btn-secondary{
  background:rgba(255,255,255,.14);
  color:#FFFFFF;
  border-color:rgba(255,255,255,.55);
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.hero .btn-secondary:hover,.hero-page .btn-secondary:hover,.cta-band .btn-secondary:hover{
  background:rgba(255,255,255,.24);
  color:#FFFFFF;
  border-color:rgba(255,255,255,.85);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:1.8rem;margin-top:1rem}
/* Bloc crédit d'impôt dans le hero */
.hero-credit{display:flex;align-items:center;gap:.9rem;margin-top:1.4rem;padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.18)}
.hero-credit img{width:78px;height:78px;flex-shrink:0;filter:drop-shadow(0 4px 10px rgba(0,0,0,.25))}
.hero-credit span{color:rgba(255,255,255,.95);font-size:.92rem;line-height:1.35}
.hero-credit strong{color:#FFFFFF;font-weight:700}
.hero-badge{display:flex;align-items:center;gap:.6rem;font-size:.9rem;color:rgba(255,255,255,.9);font-weight:500}
.hero-badge svg{width:20px;height:20px;color:var(--or-400);flex-shrink:0}

/* Hero pages internes */
.hero-page{position:relative;padding:140px 0 80px;color:#FFFFFF;overflow:hidden}
.hero-page::before{content:"";position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center}
.hero-page::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(15,61,20,.92) 0%,rgba(21,72,47,.75) 40%,rgba(27,94,32,.45) 100%),linear-gradient(0deg,rgba(8,16,12,.9) 0%,transparent 30%)}
.hero-page h1{max-width:800px;margin-bottom:1rem;color:#FFFFFF}
.hero-page .lead{color:rgba(255,255,255,.9);max-width:640px}
.hero-page .lead strong{color:#FFFFFF}
.hero-page .titre-eyebrow{color:#C8E6C9}
.hero-page .titre-eyebrow::before{background:linear-gradient(90deg,#C8E6C9,#FFFFFF)}

/* 8. ============================ CARDS SERVICES ============================ */
.cards-services{display:grid;grid-template-columns:repeat(3,1fr);gap:1.6rem}
.cards-services.cols-4{grid-template-columns:repeat(4,1fr)}
.card-service{
  position:relative;background:var(--bg-card);border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--line);
  transition:transform var(--transi),box-shadow var(--transi),border-color var(--transi);
  display:flex;flex-direction:column;
}
.card-service:hover{transform:translateY(-6px);box-shadow:var(--ombre-lg);border-color:var(--vert-600)}
.card-service .card-img{aspect-ratio:16/10;overflow:hidden;position:relative}
.card-service .card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.card-service:hover .card-img img{transform:scale(1.06)}
.card-service .card-img::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,transparent 50%,rgba(10,20,16,.5));pointer-events:none}
.card-service .card-body{padding:1.6rem;display:flex;flex-direction:column;gap:.7rem;flex:1}
.card-service h3{font-size:1.25rem;color:var(--txt-100)}
.card-service .card-icon{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:linear-gradient(135deg,rgba(46,125,50,.16),rgba(46,125,50,.05));
  border:1px solid rgba(46,125,50,.28);color:var(--vert-600);margin-bottom:.3rem;
}
.card-service .card-icon svg{width:26px;height:26px}
.card-service p{color:var(--txt-400);font-size:.96rem;margin:0}
.card-link{
  margin-top:auto;font-family:var(--font-titre);font-weight:600;font-size:.92rem;
  color:var(--vert-400);display:inline-flex;align-items:center;gap:.4rem;padding-top:.5rem;
}
.card-link svg{width:1em;height:1em;transition:transform var(--transi)}
.card-service:hover .card-link{color:var(--vert-300)}
.card-service:hover .card-link svg{transform:translateX(4px)}

/* 9. ============================ CHIFFRES / CONFIANCE ============================ */
.band-chiffres{display:grid;grid-template-columns:repeat(4,1fr);gap:1.5rem;text-align:center}
.chiffre{padding:1.5rem 1rem;border-right:1px solid var(--line)}
.chiffre:last-child{border-right:none}
.chiffre .num{
  font-family:var(--font-titre);font-weight:800;font-size:clamp(2.2rem,4.5vw,3rem);line-height:1;
  background:linear-gradient(120deg,var(--or-400),var(--or-500));
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.chiffre .lbl{margin-top:.6rem;color:var(--txt-400);font-size:.92rem;font-weight:500}

/* 10. ============================ À PROPOS ============================ */
.about{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.about-img{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--ombre-lg);border:1px solid var(--line)}
.about-img img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5}
.about-img .badge-exp{
  position:absolute;bottom:1.2rem;left:1.2rem;
  background:linear-gradient(160deg,rgba(11,46,15,.92),rgba(27,94,32,.85));
  backdrop-filter:blur(12px) saturate(140%);
  -webkit-backdrop-filter:blur(12px) saturate(140%);
  border:1px solid rgba(200,230,201,.28);border-radius:16px;padding:1rem 1.3rem;
  display:flex;align-items:center;gap:.8rem;
  box-shadow:0 12px 30px rgba(8,16,12,.3);
}
.about-img .badge-exp .num{font-family:var(--font-titre);font-weight:800;font-size:1.9rem;color:#FFFFFF;line-height:1}
.about-img .badge-exp .txt{font-size:.82rem;color:rgba(255,255,255,.92);font-weight:500;line-height:1.2}
.checklist{list-style:none;padding:0;margin:1.6rem 0 0;display:grid;gap:.8rem}
.checklist li{display:flex;gap:.75rem;align-items:flex-start;font-size:1rem;color:var(--txt-300)}
.checklist li svg{width:22px;height:22px;color:var(--vert-400);flex-shrink:0;margin-top:.15rem}

/* 11. ============================ GALERIE CHANTIERS ============================ */
.galerie{display:grid;grid-template-columns:repeat(4,1fr);gap:.9rem;grid-auto-rows:200px}
.galerie .g-item{position:relative;overflow:hidden;border-radius:var(--radius-sm);border:1px solid var(--line);box-shadow:var(--ombre-sm)}
.galerie .g-item img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.galerie .g-item:hover img{transform:scale(1.08)}
.galerie .g-item.span-2{grid-column:span 2;grid-row:span 2}
.galerie .g-item .g-cap{position:absolute;inset:auto 0 0 0;padding:1rem 1.1rem;background:linear-gradient(transparent,rgba(8,16,12,.92));color:var(--txt-100);font-size:.85rem;font-weight:600;opacity:0;transition:opacity var(--transi)}
.galerie .g-item:hover .g-cap{opacity:1}
/* Carte vidéo dans la galerie */
.galerie .g-video{background:#000}
.galerie .g-video video{width:100%;height:100%;object-fit:contain;display:block;background:#000}
.galerie .g-video .g-cap{opacity:1}

/* 12. ============================ AVIS CLIENTS ============================ */
.note-globale{display:flex;align-items:center;justify-content:center;gap:2rem;flex-wrap:wrap;margin:0 auto 3rem;padding:1.6rem 2rem;background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);max-width:680px}
.note-globale .big{font-family:var(--font-titre);font-weight:800;font-size:3.4rem;color:var(--or-400);line-height:1}
.note-globale .stars{display:flex;gap:.15rem;color:var(--or-500)}
.note-globale .stars svg{width:26px;height:26px}
.note-globale .nb{color:var(--txt-400);font-size:.92rem}
.avis-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.avis-card{background:var(--bg-card);border-radius:var(--radius);padding:1.7rem;border:1px solid var(--line);display:flex;flex-direction:column;gap:.9rem;transition:border-color var(--transi),transform var(--transi)}
.avis-card:hover{border-color:var(--vert-600);transform:translateY(-3px)}
.avis-card .stars{display:flex;gap:.1rem;color:var(--or-500)}
.avis-card .stars svg{width:18px;height:18px}
.avis-card p{color:var(--txt-300);font-style:italic;margin:0;font-size:.97rem}
.avis-author{display:flex;align-items:center;gap:.8rem;margin-top:auto;padding-top:.5rem;border-top:1px solid var(--line)}
.avis-author img{width:42px;height:42px;border-radius:50%;object-fit:cover;border:1px solid var(--line-2)}
.avis-author .who{font-weight:600;color:var(--txt-100);font-size:.92rem;line-height:1.2}
.avis-author .when{font-size:.78rem;color:var(--txt-500)}

/* 13. ============================ ZONE D'INTERVENTION ============================ */
.zone{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.zone-map{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--ombre);min-height:400px;background:var(--bg-800);border:1px solid var(--line)}
.zone-map iframe{width:100%;height:100%;min-height:400px;border:0;display:block;filter:grayscale(.2) contrast(1.05)}
.zone-villes{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.2rem}
.zone-villes .pill{background:var(--bg-card);color:var(--vert-300);padding:.45rem .95rem;border-radius:50px;font-size:.85rem;font-weight:500;border:1px solid var(--line-2)}

/* 14. ============================ FAQ ============================ */
.faq{max-width:820px;margin-inline:auto;display:grid;gap:.85rem}
.faq details{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0;transition:border-color var(--transi),background var(--transi);
}
.faq details:hover{border-color:var(--line-2)}
.faq details[open]{background:var(--bg-700);border-color:var(--vert-700)}
.faq summary{
  list-style:none;cursor:pointer;padding:1.3rem 1.5rem;font-family:var(--font-titre);
  font-weight:600;color:var(--txt-100);display:flex;justify-content:space-between;align-items:center;gap:1rem;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-size:1.6rem;color:var(--vert-400);font-weight:300;transition:transform var(--transi)}
.faq details[open] summary::after{transform:rotate(45deg);color:var(--or-400)}
.faq .answer{padding:0 1.5rem 1.4rem;color:var(--txt-400)}

/* 15. ============================ CTA ============================ */
.cta-band{
  position:relative;border-radius:var(--radius-xl);overflow:hidden;
  background:linear-gradient(120deg,var(--vert-800),var(--vert-600) 60%,var(--vert-700));
  color:#FFFFFF;padding:clamp(2.8rem,6vw,4.8rem);text-align:center;box-shadow:var(--ombre-lg);
  border:1px solid var(--vert-700);
}
.cta-band::before{content:"";position:absolute;inset:0;background-image:radial-gradient(circle at 15% 20%,rgba(141,110,99,.20) 0,transparent 35%),radial-gradient(circle at 85% 85%,rgba(67,160,71,.22) 0,transparent 40%)}
.cta-band>*{position:relative;z-index:1}
.cta-band h2{color:#FFFFFF;margin-bottom:1rem}
.cta-band p{color:rgba(255,255,255,.92);max-width:560px;margin:0 auto 2rem;font-size:1.1rem}
.cta-band .hero-actions{justify-content:center;margin-bottom:0}

/* 16. ============================ FOOTER ============================ */
.site-footer{background:var(--bg-900);color:rgba(255,255,255,.78);padding-top:4rem;border-top:1px solid rgba(255,255,255,.12)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.5rem;padding-bottom:3rem}
.footer-brand .logo-text strong{color:#FFFFFF}
.footer-brand .logo{display:inline-flex;border-radius:12px;padding:.4rem .7rem;background:rgba(255,255,255,.92);box-shadow:0 4px 14px rgba(0,0,0,.18)}
.footer-brand .logo img{height:52px}
.footer-about{color:rgba(255,255,255,.68);font-size:.93rem;margin-top:1rem;line-height:1.7}
.footer-col h4{color:#FFFFFF;font-size:.95rem;text-transform:uppercase;letter-spacing:.1em;margin-bottom:1.2rem}
.footer-col ul{list-style:none;padding:0;display:grid;gap:.6rem}
.footer-col ul a{color:rgba(255,255,255,.78);font-size:.95rem}
.footer-col ul a:hover{color:#C8E6C9}
.footer-contact li{display:flex;gap:.65rem;align-items:flex-start;color:rgba(255,255,255,.78);font-size:.93rem;margin-bottom:.75rem}
.footer-contact svg{width:18px;height:18px;color:#C8E6C9;flex-shrink:0;margin-top:.25rem}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:1.5rem 0;display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;font-size:.85rem;color:rgba(255,255,255,.6)}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#C8E6C9}

/* 17. ============================ FIL D'ARIANE ============================ */
.breadcrumb{padding:1.2rem 0 0;font-size:.88rem}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:.4rem;align-items:center;padding:0;margin:0}
.breadcrumb li{display:flex;align-items:center;gap:.4rem;color:var(--txt-400)}
.breadcrumb li::after{content:"/";color:var(--txt-500);margin-left:.4rem}
.breadcrumb li:last-child::after{display:none}
.breadcrumb a{color:var(--vert-300)}
.breadcrumb a:hover{color:var(--vert-200)}
.breadcrumb [aria-current]{color:var(--txt-100);font-weight:600}

/* 18. ============================ FORMULAIRE CONTACT ============================ */
.contact-wrap{display:grid;grid-template-columns:1fr 1.3fr;gap:clamp(2rem,5vw,4rem);align-items:start}
.contact-info{background:linear-gradient(160deg,var(--bg-card),var(--bg-800));color:var(--txt-100);border-radius:var(--radius-lg);padding:2.2rem;box-shadow:var(--ombre);border:1px solid var(--line)}
.contact-info h3{color:var(--txt-100);margin-bottom:.5rem}
.contact-info>p{color:var(--txt-400);font-size:.95rem;margin-bottom:1.8rem}
.contact-info .ci-item{display:flex;gap:.85rem;align-items:flex-start;padding:1rem 0;border-bottom:1px solid var(--line)}
.contact-info .ci-item:last-of-type{border-bottom:none}
.contact-info .ci-icon{width:42px;height:42px;border-radius:12px;background:rgba(46,125,50,.12);border:1px solid var(--line-2);display:grid;place-items:center;flex-shrink:0}
.contact-info .ci-icon svg{width:20px;height:20px;color:var(--vert-400)}
.contact-info .ci-label{font-size:.76rem;text-transform:uppercase;letter-spacing:.1em;color:var(--or-400);font-weight:600}
.contact-info .ci-val{font-weight:600;color:var(--txt-100);font-size:1.02rem;margin-top:.15rem;word-break:break-word}
.contact-info .ci-val a{color:var(--txt-100)}
.contact-info .ci-val a:hover{color:var(--vert-300)}

.form-card{background:var(--bg-card);border-radius:var(--radius-lg);padding:clamp(1.6rem,4vw,2.6rem);box-shadow:var(--ombre);border:1px solid var(--line)}
.form-card h2{font-size:1.6rem;margin-bottom:.4rem}
.form-card>p{color:var(--txt-400);margin-bottom:1.6rem}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.field{margin-bottom:1.2rem;position:relative}
.field label{display:block;font-family:var(--font-titre);font-weight:500;font-size:.9rem;color:var(--txt-100);margin-bottom:.45rem}
.field label .req{color:var(--or-400)}
.field input,.field textarea,.field select{
  width:100%;padding:.9rem 1rem;border:1.5px solid var(--line-2);border-radius:var(--radius-sm);
  background:#FFFFFF;transition:border-color var(--transi),box-shadow var(--transi);color:var(--txt-100);
}
.field input::placeholder,.field textarea::placeholder{color:var(--txt-500)}
.field input:focus,.field textarea:focus,.field select:focus{outline:none;border-color:var(--vert-500);box-shadow:0 0 0 3px rgba(46,125,50,.15)}
.field textarea{min-height:140px;resize:vertical}
.field select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='20' height='20' fill='none' stroke='%23388E3C' stroke-width='2' viewBox='0 0 24 24'><polyline points='6 9 12 15 18 9'/></svg>");background-repeat:no-repeat;background-position:right 1rem center;padding-right:2.6rem}
.field select option{background:#FFFFFF;color:var(--txt-100)}
.field.invalid input,.field.invalid textarea,.field.invalid select{border-color:var(--erreur);background:rgba(198,40,40,.05)}
.field-error{display:none;color:var(--erreur);font-size:.82rem;margin-top:.35rem;font-weight:500}
.field.invalid .field-error{display:block}
.field-check{display:flex;gap:.7rem;align-items:flex-start;font-size:.9rem;color:var(--txt-400)}
.field-check input{width:18px;height:18px;flex-shrink:0;margin-top:.2rem;accent-color:var(--vert-500)}
.field-check a{color:var(--vert-300)}
.hp{position:absolute;left:-9999px;top:0;width:1px;height:1px;overflow:hidden}

.alert{padding:1rem 1.2rem;border-radius:var(--radius-sm);margin-bottom:1.4rem;font-weight:500;display:flex;gap:.7rem;align-items:flex-start}
.alert svg{width:22px;height:22px;flex-shrink:0;margin-top:.05rem}
.alert-success{background:rgba(46,125,50,.12);color:var(--vert-700);border:1px solid var(--vert-700)}
.alert-error{background:rgba(198,40,40,.08);color:var(--erreur);border:1px solid rgba(198,40,40,.3)}

/* 19. ============================ ANIMATIONS / UTILITAIRES ============================ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}.reveal.d4{transition-delay:.32s}

.divider-leaf{text-align:center;margin:0 auto 3rem;color:var(--vert-400)}

/* ===== Section crédit d'impôt (voyante, thème vert) ===== */
.credit-impot{
  background:linear-gradient(180deg,var(--vert-100),#FFFFFF 85%);
  border-top:3px solid var(--vert-500);
  border-bottom:1px solid var(--line);
}
.credit-impot .titre-eyebrow::before{background:linear-gradient(90deg,var(--vert-500),var(--or-500))}
.credit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;margin-bottom:2.4rem}
.credit-card{
  background:var(--bg-card);border:1px solid var(--line);border-radius:var(--radius);
  padding:1.5rem;display:flex;gap:1rem;align-items:flex-start;
  box-shadow:var(--ombre-sm);
}
.credit-card h3{font-size:1.05rem;margin-bottom:.4rem}
.credit-card p{font-size:.93rem;margin:0}
.credit-num{
  flex-shrink:0;width:44px;height:44px;border-radius:50%;
  background:linear-gradient(140deg,var(--vert-700),var(--vert-600));color:#FFFFFF;
  display:grid;place-items:center;font-family:var(--font-titre);font-weight:800;font-size:1.25rem;
  box-shadow:0 4px 12px rgba(46,125,50,.35);
}
.credit-checks{max-width:760px;margin:0 auto;gap:.7rem}
.credit-checks li{font-size:.95rem;align-items:center}
.credit-note{
  text-align:center;max-width:640px;margin:2rem auto 0;
  font-size:.95rem;color:var(--txt-400);
  padding:1rem 1.4rem;background:var(--bg-800);border-radius:var(--radius-sm);
  border:1px dashed var(--vert-600);
}
.credit-note a{font-weight:700;text-decoration:underline}

/* Section vidéo d'intervention (grille texte + vidéo portrait) */
.video-band{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,4rem);align-items:center}
.video-frame{
  position:relative;max-width:320px;margin-inline:auto;
  border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--ombre-lg);border:1px solid var(--line);background:#000;
}
.video-frame video{display:block;width:100%;height:auto}

/* Badge flottant crédit d'impôt (fixe, bas-droite, toutes pages) */
.float-credit{
  position:fixed;right:18px;bottom:18px;z-index:900;
  display:block;width:68px;height:68px;
  filter:drop-shadow(0 6px 16px rgba(0,0,0,.28));
  transition:transform var(--transi),filter var(--transi);
  animation:popIn .5s ease .3s both;
}
.float-credit img{width:68px;height:68px;display:block}
.float-credit:hover{transform:scale(1.1) rotate(4deg);filter:drop-shadow(0 8px 22px rgba(0,0,0,.36))}
@keyframes popIn{from{opacity:0;transform:scale(.6)}to{opacity:1;transform:scale(1)}}
@media (prefers-reduced-motion:reduce){.float-credit{animation:none}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms!important;transition-duration:.001ms!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}

/* 20. ============================ RESPONSIVE ============================ */
@media (max-width:1024px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
  .cards-services{grid-template-columns:repeat(2,1fr)}
  .cards-services.cols-4{grid-template-columns:repeat(2,1fr)}
  .band-chiffres{grid-template-columns:repeat(2,1fr)}
  .band-chiffres .chiffre:nth-child(2){border-right:none}
  .avis-grid{grid-template-columns:repeat(2,1fr)}
  .galerie{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:860px){
  .nav,.header-phone{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:64px;padding-inline:.6rem;gap:.4rem}
  .logo img{height:42px!important}
  .header-cta{gap:.4rem}
  /* Masquer le bouton "Devis gratuit" du header sur mobile (déjà dans le menu hamburger) */
  .header-cta .btn{display:none}
  .nav-mobile{
    position:fixed;top:0;right:-100%;width:min(85vw,360px);height:100vh;z-index:999;
    background:var(--bg-850);box-shadow:-10px 0 40px rgba(0,0,0,.4);
    padding:90px 1.5rem 2rem;display:flex;flex-direction:column;gap:.3rem;
    transition:right var(--transi-slow),visibility var(--transi-slow);overflow-y:auto;border-left:1px solid var(--line);
    visibility:hidden; /* évite tout élément hors écran à droite (bande blanche iOS) */
  }
  .nav-mobile.open{right:0;visibility:visible}
  .nav-mobile a{font-family:var(--font-titre);font-weight:500;font-size:1.1rem;color:var(--txt-300);padding:.9rem .5rem;border-bottom:1px solid var(--line)}
  .nav-mobile a:hover{color:var(--vert-300)}
  .nav-mobile .btn{margin-top:1.2rem}
  .about,.zone,.contact-wrap,.video-band,.credit-grid{grid-template-columns:1fr}
  .about-img{max-width:480px;margin-inline:auto}
  .galerie{grid-template-columns:repeat(2,1fr);grid-auto-rows:160px}
  .galerie .g-item.span-2{grid-column:span 2;grid-row:span 1}
}
@media (max-width:600px){
  body{font-size:1rem}
  /* Boutons : le texte doit toujours tenir dans le bouton (retour à la ligne autorisé) */
  .btn{white-space:normal;padding:.9rem 1.2rem}
  .btn-lg{padding:1rem 1.4rem;font-size:1.02rem}
  .float-credit{width:54px;height:54px;right:12px;bottom:12px}
  .float-credit img{width:54px;height:54px}
  .hero-credit img{width:64px;height:64px}
  .grid-2,.grid-3,.grid-4{grid-template-columns:1fr}
  .cards-services{grid-template-columns:1fr}
  /* Avis : carrousel horizontal à swiper sur mobile */
  .avis-grid{
    display:flex;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
    gap:1rem;
    padding:0 1rem 1.2rem;
    margin-inline:-1rem;
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .avis-grid::-webkit-scrollbar{display:none}
  .avis-card{
    flex:0 0 85%;
    scroll-snap-align:center;
    margin:0;
  }
  .band-chiffres{grid-template-columns:1fr 1fr;gap:.5rem}
  .band-chiffres .chiffre{border-right:none;border-bottom:1px solid var(--line)}
  .footer-grid{grid-template-columns:1fr;gap:2rem;text-align:left}
  .footer-bottom{flex-direction:column;text-align:left}
  .form-row{grid-template-columns:1fr}
  /* Galerie chantiers : carrousel horizontal à swiper sur mobile (même principe que les avis) */
  .galerie{
    display:flex;
    overflow-x:auto;
    scroll-snap-type:x mandatory;
    -webkit-overflow-scrolling:touch;
    gap:.9rem;
    padding:0 1rem 1rem;
    margin-inline:-1rem;
    grid-auto-rows:auto;
    scrollbar-width:none;
    -ms-overflow-style:none;
  }
  .galerie::-webkit-scrollbar{display:none}
  .galerie .g-item{flex:0 0 78%;scroll-snap-align:center;grid-column:auto;grid-row:auto;height:240px}
  .galerie .g-item.span-2{flex-basis:88%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .note-globale{flex-direction:column;gap:.8rem;text-align:center}
  .contact-info,.form-card{padding:1.6rem}
}