/* =======================
   0) Variables / Base
   ======================= */
:root{
  --bg:#f7f9fc;
  --surface:#ffffff;
  --ink:#0f172a;
  --muted:#64748b;

  --primary:#243A5E;
  --primary-600:#1E2F4D;

  --accent:#10b981;
  --shadow:0 10px 30px rgba(2,6,23,.10);

  --radius:18px;

  /* Bleu goutte */
  --drop:#4473B7;
  --drop-600:#3A64A3;
  --drop-700:#2F5288;

  /* Safe areas */
  --safe-r: env(safe-area-inset-right, 0px);
  --safe-l: env(safe-area-inset-left, 0px);
  --safe-t: env(safe-area-inset-top, 0px);
  --safe-b: env(safe-area-inset-bottom, 0px);
}

*{box-sizing:border-box}
html,body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--ink);
  font-family:Inter,system-ui,Segoe UI,Roboto,Arial,sans-serif;
  line-height:1.6;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--primary-600);text-decoration:none}
a:hover{text-decoration:underline}

.container{
  max-width:1400px;
  margin:0 auto;
  padding-left:calc(clamp(16px, 4vw, 24px) + var(--safe-l));
  padding-right:calc(clamp(16px, 4vw, 24px) + var(--safe-r));
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
}

.skip{position:absolute;left:-9999px}
.skip a:focus{
  left:1rem;top:1rem;position:absolute;background:#fff;color:#000;
  padding:.5rem .75rem;border-radius:.5rem;z-index:9999
}

/* Empêche le scroll quand menu mobile ouvert */
body.nav-open{overflow:hidden}

/* =======================
   1) Header / Nav
   ======================= */
.site-header{
  position:sticky;
  top:0;
  z-index:1200;
  background:rgba(255,255,255,.92);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid rgba(2,6,23,.06);
}

.header-inner{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:nowrap;
}

/* Logo : jamais chevauché */
.brand-link{
  display:flex;
  align-items:center;
  flex:0 0 auto;
  min-width:0;
}
.brand-logo{
  height:56px;
  width:auto;
  max-width:320px; /* empêche de manger le menu desktop */
  object-fit:contain;
}

/* Nav desktop */
.nav-menu{
  flex:1 1 auto;
  min-width:0;
  display:flex;
  align-items:center;
  justify-content:center;
  gap:.25rem;
  white-space:nowrap;
  z-index:1100
}
.nav-menu a{
  padding:.52rem .72rem;
  border-radius:999px;
  color:var(--ink);
  font-weight:700;
  text-decoration:none;
  transition:background .18s ease, transform .18s ease;
}
.nav-menu a:hover{background:rgba(36,58,94,.07);text-decoration:none}
.nav-menu a.active{background:rgba(36,58,94,.10)}

/* Actions droite (desktop) */
.header-actions{
  display:flex;
  align-items:center;
  gap:.6rem;
  flex:0 0 auto;
}

.phone-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:14px;
  background:rgba(36,58,94,.06);
  color:var(--primary);
  text-decoration:none;
  font-size:18px;
  transition:background .18s ease, transform .18s ease;
}
.phone-icon:hover{
  background:rgba(36,58,94,.10);
  transform:translateY(-1px);
  text-decoration:none;
}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:.5rem;
  padding:.85rem 1.15rem;
  border-radius:14px;
  border:1px solid rgba(2,6,23,.08);
  background:#fff;
  color:var(--ink);
  font-weight:800;
  box-shadow:0 8px 18px rgba(2,6,23,.08);
  text-decoration:none;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
  white-space:nowrap; /* jamais 2 lignes */
}
.btn:hover{
  text-decoration:none;
  transform:translateY(-1px);
  box-shadow:0 12px 24px rgba(2,6,23,.12);
}
.btn-primary{
  background:var(--primary-600);
  color:#fff;
  border-color:transparent;
  box-shadow:none;
}
.btn-primary:hover{background:var(--primary)}

/* Burger -> X */
.nav-toggle{
  display:none; /* visible seulement en mobile */
  width:44px;
  height:44px;
  padding:0;
  border:0;
  background:transparent;
  cursor:pointer;
  border-radius:12px;
  position:relative;
  z-index:1110; /* au-dessus du panneau */
  -webkit-tap-highlight-color: transparent;
}
.nav-toggle span{
  position:absolute;
  left:50%;
  width:24px;
  height:2px;
  background:var(--ink);
  border-radius:2px;
  transform:translateX(-50%);
  transition:transform .22s ease, opacity .18s ease, top .22s ease;
}
.nav-toggle span:nth-child(1){top:14px}
.nav-toggle span:nth-child(2){top:21px}
.nav-toggle span:nth-child(3){top:28px}
.nav-toggle.open span:nth-child(1){top:21px;transform:translateX(-50%) rotate(45deg)}
.nav-toggle.open span:nth-child(2){opacity:0}
.nav-toggle.open span:nth-child(3){top:21px;transform:translateX(-50%) rotate(-45deg)}

/* Overlay : assombrit le fond sous le panneau (le panneau reste blanc) */
.nav-overlay{
  position:fixed;
  inset:0;
  background:rgba(2,6,23,.45);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
  z-index:1000;
}
.nav-overlay.active{opacity:1;pointer-events:auto}

/* =======================
   2) HERO (slideshow)
   ======================= */
.hero{
  position:relative;
  overflow:hidden;
  min-height:78vh;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#0b1220;
  isolation:isolate;
}

.hero-bg,.hero-bg2{
  position:absolute;
  inset:0;
  background-size:cover;
  background-position:center;
  opacity:0;
  transition:opacity 900ms ease-in-out;
  will-change:opacity;
  filter:brightness(1.08) contrast(1.05) saturate(1.05);
}
.hero-bg.is-front,.hero-bg2.is-front{opacity:1}

.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg, rgba(2,6,23,.14) 0%, rgba(2,6,23,.30) 100%);
  z-index:1;
}

.hero-content{
  position:relative;
  z-index:2;
  color:#fff;
  padding:2.0rem 2.2rem;
  max-width:820px;
}
.hero-content::before{
  content:"";
  position:absolute;
  inset:-18px -22px;
  background:rgba(15,23,42,.44);
  border:1px solid rgba(255,255,255,.16);
  border-radius:22px;
  backdrop-filter:blur(5px);
  -webkit-backdrop-filter:blur(5px);
  box-shadow:0 22px 70px rgba(2,6,23,.40);
  z-index:-1;
}

.hero h1{
  font-size:clamp(2.1rem, 3.0vw, 2.75rem);
  line-height:1.15;
  letter-spacing:-0.02em;
  margin:0 0 .35rem;
}
.hero .highlight{
  display:inline-block;
  font-size:clamp(26px, 2.3vw, 38px);
  opacity:.95;
  color:#cfe0ff;
}

/* Badges */
.trust-badges{
  display:flex;
  gap:.6rem;
  flex-wrap:wrap;
  margin:1rem 0 1.15rem;
}
.trust-badge{
  display:inline-flex;
  align-items:center;
  gap:.55rem;
  padding:.48rem .85rem;
  border-radius:999px;
  background:rgba(255,255,255,.92);
  color:#0f172a;
  font-weight:700;
  font-size:.92rem;
  box-shadow:0 4px 14px rgba(0,0,0,.08);
}
.trust-badge .check{
  width:18px;height:18px;
  background:#16a34a;
  color:#fff;
  border-radius:50%;
  display:grid;
  place-items:center;
  font-size:.75rem;
  flex-shrink:0;
}

/* CTA hero */
.hero .cta{
  display:flex;
  gap:.9rem;
  flex-wrap:wrap;
  align-items:center;
  margin:1.05rem 0 1.1rem;
}
.hero .cta .btn{
  border-radius:14px;
  padding:.9rem 1.35rem;
  font-weight:800;
  font-size:.95rem;
  border:1px solid transparent;
  box-shadow:0 10px 22px rgba(2,6,23,.18);
}

/* CTA principal = bleu goutte */
.hero .cta .btn:not(.btn-outline){
  background:var(--drop);
  color:#fff;
}
.hero .cta .btn:not(.btn-outline):hover{
  background:var(--drop-600);
  transform:translateY(-1px);
  box-shadow:0 14px 28px rgba(68,115,183,.35);
}

/* CTA secondaire */
.btn-outline{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.35);
  color:#fff;
  box-shadow:none;
  backdrop-filter:blur(4px);
}
.btn-outline:hover{
  background:rgba(68,115,183,.18);
  border-color:rgba(68,115,183,.55);
  transform:translateY(-1px);
  box-shadow:0 10px 24px rgba(68,115,183,.25);
  text-decoration:none;
}

/* Bullets */
.bullet{list-style:none;padding:0;margin:0}
.bullet li{
  padding-left:1.6rem;
  margin:.45rem 0;
  position:relative;
  text-shadow:0 2px 14px rgba(0,0,0,.22);
}
.bullet li::before{
  content:"";
  position:absolute;left:.2rem;top:.55rem;
  width:.7rem;height:.7rem;border-radius:999px;
  background:var(--accent);
}

/* =======================
   3) Sections / Cards
   ======================= */
.section{  
	padding-block:clamp(10px, 2vw, 18px);
}
.card{
  background:var(--surface);
  padding:1.2rem;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  display:block;
  margin-top:1rem;
}

/*
 * Les espacements entre les cartes sont gérés par la grille.
 * Les marges ci-dessous compactent le contenu interne sans
 * modifier les cartes photographiques de la page d'accueil.
 */
.card > :first-child{margin-top:0}
.card > :last-child{margin-bottom:0}
.card h2,
.card h3{
  margin:0 0 .65rem;
  line-height:1.3;
}
.card p{
  margin:0 0 .65rem;
  line-height:1.5;
}
.card p + p{margin-top:.25rem}
.card .bullet{margin:.25rem 0 0}
.card .link{
  display:inline-block;
  margin-top:.25rem;
}

.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:1rem;
  align-items:start;
}
.grid-3 > .card{margin-top:0}

.icon{width:28px;height:28px}

/* Cards services BG */
.card--bg{
  position:relative;
  display:flex;
  flex-direction:column;
  justify-content:flex-end;
  gap:.5rem;
  min-height:240px;
  padding:1.2rem;
  border-radius:var(--radius);
  overflow:hidden;
  color:#fff;
  background-position:center;
  background-size:cover;
  background-repeat:no-repeat;
  box-shadow:0 12px 34px rgba(2,6,23,.20);
  isolation:isolate;
}
.card--bg h2,
.card--bg h3,
.card--bg p{margin:0}
.card--bg .link{margin-top:.2rem}
.card--bg::before{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(0,0,0,.10), rgba(0,0,0,.50) 75%);
  z-index:0;
  transition:opacity .35s ease;
}
.card--bg > *{position:relative;z-index:1}
.card--bg a.link{color:#fff;text-decoration:underline}

.bg-assainissement{background-image:url("../assets/travaux/bg-assainissement.jpg")}
.bg-terrassement{background-image:url("../assets/travaux/bg-terrassement.jpg")}
.bg-amenagement{background-image:url("../assets/travaux/bg-amenagement.jpg")}

/* CTA band */
.cta-band{
  background:linear-gradient(135deg,#e0e7ff,#d1fae5);
  padding:1.2rem;
  border-radius:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:1rem;
  box-shadow:var(--shadow);
  margin:1.2rem 0;
}
.cta-band .text{font-weight:900;color:#0b2255}
.cta-band .sub{color:#334155}
/* Boutons de la bande devis / urgence */
.cta-band .cta {
  display: flex;
  gap: 0.6rem;
  flex-wrap: wrap;
}

.cta-band .btn.btn-devis {
  background: #3978c5;
  color: #ffffff;
  border-color: #3978c5;
}

.cta-band .btn.btn-devis:hover {
  background: #2e63a5;
  border-color: #2e63a5;
}

.cta-band .btn.btn-urgent {
  background: #b42318;
  color: #ffffff;
  border-color: #b42318;
  box-shadow: 0 6px 16px rgba(180, 35, 24, 0.25);
}

.cta-band .btn.btn-urgent:hover {
  background: #8f1d14;
  border-color: #8f1d14;
}
.muted{color:var(--muted)}

/* Floating button */
.fab{
  position:fixed;
  right:18px;
  bottom:18px;
  background:var(--primary-600);
  color:#fff;
  padding:.9rem 1rem;
  border-radius:999px;
  box-shadow:var(--shadow);
  z-index:1200;
}
.fab:hover{background:var(--primary);text-decoration:none}

/* Footer */
.site-footer{
  border-top:1px solid rgba(2,6,23,.06);
  margin-top:2rem;
  background:#fff;
}
.site-footer .footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr;
  gap:1rem;
  align-items:start;
}
.footer-logo{height:40px;width:auto;max-width:100%;object-fit:contain}
.fine{
  border-top:1px dashed rgba(2,6,23,.12);
  margin-top:1rem;
  padding-top:1rem;
  color:var(--muted);
  font-size:.92rem;
}
/* =======================
   FORMULAIRE CONTACT
   ======================= */

.contact-form{
  background:#fff;
  padding:1.4rem;
  border-radius:18px;
  box-shadow:var(--shadow);
  max-width:720px;
  margin: 0 auto;        /* centre */
  width: 100%;
}
/* Message de succès/erreur formulaire */
.form-success{
  background:linear-gradient(135deg,#ecfdf5,#d1fae5);
  border:1px solid #86efac;
  color:#065f46;
  padding:1rem 1.2rem;
  border-radius:14px;
  margin-bottom:1rem;
  font-weight:600;
  box-shadow:0 8px 20px rgba(0,0,0,.06);
}
/* Honeypot invisible */
.hp-field{
  position:absolute;
  left:-9999px;
  width:1px;
  height:1px;
  overflow:hidden;
}
.form-error{
  background:linear-gradient(135deg,#fff1f2,#ffe4e6);
  border:1px solid #fda4af;
  color:#9f1239;
  padding:1rem 1.2rem;
  border-radius:14px;
  margin: 0 auto 1rem auto;
  max-width: 720px;
  font-weight:600;
  box-shadow:0 8px 20px rgba(0,0,0,.06);
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1rem;
}

.form-field{
  display:flex;
  flex-direction:column;
  gap:.35rem;
}

.form-field label{
  font-weight:700;
  font-size:.95rem;
}

.form-field input,
.form-field textarea{
  border:1px solid rgba(2,6,23,.15);
  border-radius:12px;
  padding:.65rem .75rem;
  font-family:inherit;
  font-size:1rem;
  transition:border-color .2s ease, box-shadow .2s ease;
}

.form-field input:focus,
.form-field textarea:focus{
  outline:none;
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(36,58,94,.15);
}

.form-submit{
  margin-top:1rem;
  align-self:flex-start;
}

.form-note{
  margin-top:.8rem;
  font-size:.9rem;
  color:var(--muted);
}

/* Champs en erreur */
.form-field.has-error input,
.form-field.has-error textarea{
  border-color:#dc2626;
  box-shadow:0 0 0 3px rgba(220,38,38,.15);
}

/* Label en erreur */
.form-field.has-error label{
  color:#dc2626;
}

.field-msg{
  font-size: .9rem;
  color: var(--muted);
  min-height: 1.1em; /* évite que ça saute */
}

.form-field.has-error .field-msg{
  color:#dc2626;
  font-weight:600;
}

.form-field.is-valid input,
.form-field.is-valid textarea{
  border-color: #16a34a;
  box-shadow: 0 0 0 3px rgba(22,163,74,.12);
}
/* =======================
   REALISATIONS : Gallery
   ======================= */

.gallery{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  margin-top: 1rem;
}

.gallery figure{
  margin:0;
  background: var(--surface);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.gallery img{
  width:100%;
  height: 260px;
  object-fit: cover;
  display:block;
}

.gallery figcaption{
  padding: .85rem 1rem;
  color: var(--ink);
  font-weight: 700;
  font-size: .95rem;
}
/* =======================
   REALISATIONS : Avant/Après (BA Slider)
   ======================= */

.ba-slider{
  position: relative;
  width: 100%;
  max-width: 980px;
  margin: 1.2rem auto 1.6rem auto;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  background: #fff;
}

/* Les 2 images se superposent */
.ba-slider .ba-img{
  display:block;
  width:100%;
  height: clamp(240px, 45vw, 520px);
  object-fit: cover;
}

/* Après = base */
.ba-slider .ba-after{
  position: relative;
  z-index: 1;
}

/* Avant = au-dessus, découpé */
.ba-slider .ba-before{
  position:absolute;
  inset:0;
  z-index:2;
  clip-path: inset(0 50% 0 0); /* par défaut 50% */
}

/* Curseur */
.ba-handle{
  position:absolute;
  top:0;
  left:50%;
  transform: translateX(-50%);
  height:100%;
  width: 44px;
  z-index: 3;
  cursor: ew-resize;
  display:flex;
  align-items:center;
  justify-content:center;
  outline: none;
}

/* Ligne centrale */
.ba-handle::before{
  content:"";
  position:absolute;
  top:0;
  bottom:0;
  width:3px;
  border-radius:99px;
  background: rgba(255,255,255,.95);
  box-shadow: 0 8px 20px rgba(2,6,23,.25);
}

/* Bouton grip */
.ba-grip{
  position: relative;
  width: 38px;
  height: 38px;
  border-radius: 999px;
  background: rgba(255,255,255,.95);
  box-shadow: 0 12px 30px rgba(2,6,23,.22);
  display:grid;
  place-items:center;
  font-weight:900;
  color: var(--primary);
}

/* Caption */
.ba-caption{
  position:absolute;
  left:0;
  right:0;
  bottom:0;
  z-index: 4;
  padding: .7rem .9rem;
  color:#fff;
  background: linear-gradient(180deg, rgba(2,6,23,0) 0%, rgba(2,6,23,.55) 80%);
  display:flex;
  align-items:center;
  gap:.5rem;
  flex-wrap:wrap;
  font-weight:700;
}

.ba-tag{
  display:inline-flex;
  padding:.22rem .55rem;
  border-radius:999px;
  font-size:.85rem;
  background: rgba(255,255,255,.92);
  color: var(--ink);
}

.ba-tag-before{ border:1px solid rgba(2,6,23,.10); }
.ba-tag-after{ border:1px solid rgba(2,6,23,.10); }

/* ===== Header en 2 lignes avant le mobile ===== */
@media (max-width: 1300px){

  .header-inner{
    flex-wrap: wrap;
    align-items: center;
    row-gap: .4rem;
  }

  /* Logo – ligne 1 gauche */
  .brand-link{
    order: 1;
    flex: 0 0 auto;
  }

  /* Actions – ligne 1 droite */
  .header-actions{
    order: 2;
    margin-left: auto;
    flex: 0 0 auto;
  }

  /* Menu – ligne 2 centrée */
  .nav-menu{
    order: 3;
    flex: 0 0 100%;
    width: 100%;

    display: flex;
    justify-content: center;   /* CENTRÉ */
    flex-wrap: wrap;

    gap: .35rem .7rem;
    padding-top: .35rem;

    white-space: normal;       /* autorise le retour à la ligne */
  }

  .nav-menu a{
    white-space: nowrap;       /* liens propres */
  }
}
/* =======================
   4) Responsive + Mobile Nav
   ======================= */
@media (max-width: 900px){
  .section{padding-block:.8rem}

  .brand-link{ order:1 }
  .nav-menu{ order:2 }
  .nav-toggle{
    order:3;
    margin-left:auto;
  }
  .header-actions{display:none}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}

  .site-header .container.header-inner{
    padding-left:calc(14px + var(--safe-l));
    padding-right:calc(14px + var(--safe-r));
    gap:10px;
  }

  /* Logo shrink */
  .brand-logo{
    height:46px;
    max-width:min(72vw, 300px);
  }

  /* Offcanvas panel */
  .nav-menu{
    position:fixed;
    top:0; right:0;
    height:100dvh;
    width:min(92vw, 360px);
    padding:calc(14px + var(--safe-t)) 14px calc(14px + var(--safe-b)) 14px;
    background:#fff; /* ✅ panneau blanc = pas grisé */
    color:var(--ink);
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:.25rem;
    transform:translateX(110%);
    transition:transform .28s ease;
    box-shadow:0 30px 80px rgba(2,6,23,.25);
    z-index:1100; /* ✅ au-dessus overlay */
    overflow:auto;
    white-space:normal;
  }
  .nav-menu.open{transform:translateX(0)}
  .nav-menu a{
    width:100%;
    white-space:normal;
    border-radius:12px;
    padding:.75rem .85rem;
  }

  .cta-band{flex-direction:column;align-items:flex-start}
  .grid-3{
    grid-template-columns:1fr;
    gap:.75rem;
  }
  .card:not(.card--bg){padding:1rem}
  .card h2,
  .card h3{margin-bottom:.55rem}
  .card p{margin-bottom:.5rem}
  .card .bullet li{margin:.3rem 0}
  .form-grid{grid-template-columns:1fr}
  .site-footer .footer-grid{grid-template-columns:1fr}
  .gallery{ grid-template-columns: 1fr; }
  .gallery img{ height: 220px; }
}

@media (max-width: 720px){
  .hero-content{text-align:center}
  .hero .cta{flex-direction:column;align-items:stretch}
  .hero .cta .btn{width:100%}
}