/* Aqua-Net — Conduit de Sécheuse Pro
   Styles: propre, rapide, responsive
*/
:root{
  --bg:#ffffff;
  --text:#2c3e50;
  --black:#1a1a1a;
  --muted:#666;
  --line:#e8e8e8;
  --brand1:#ff6b35;
  --brand2:#f7931e;
  --soft:#fff8f0;
  --soft2:#fff4e6;
  --shadow: 0 8px 30px rgba(0,0,0,.10);
}

*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,Oxygen,Ubuntu,sans-serif;
  line-height:1.6;
  color:var(--text);
  background:var(--bg);
}

a{color:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 20px}
.band{background:linear-gradient(135deg,var(--soft) 0%, var(--soft2) 100%)}

.top-bar{
  background:linear-gradient(135deg,var(--brand1) 0%, var(--brand2) 100%);
  color:#fff;
  padding:.8rem 20px;
  text-align:center;
  font-size:.95rem;
}
.top-bar strong{color:#fff;text-shadow:1px 1px 2px rgba(0,0,0,.2)}
.top-bar a{color:inherit;text-decoration:none}

header{
  background:var(--black);
  padding:1.1rem 0;
  box-shadow:0 2px 8px rgba(0,0,0,.3);
  position:sticky;
  top:0;
  z-index:100;
}
.header-content{
  display:flex;
  justify-content:space-between;
  align-items:center;
  flex-wrap:wrap;
  gap:1rem;
}
.logo-section{display:flex;flex-direction:column}
.logo{font-size:1.6rem;font-weight:800;color:var(--brand2);letter-spacing:.2px}
.company{font-size:.9rem;color:#bbb}

.nav-links{
  display:flex;
  gap:1.2rem;
  flex-wrap:wrap;
  align-items:center;
}
.nav-links a{
  color:#eee;
  text-decoration:none;
  font-weight:600;
  font-size:.98rem;
  opacity:.92;
  padding:.4rem .2rem;
  border-bottom:2px solid transparent;
}
.nav-links a:hover{
  opacity:1;
  border-bottom-color:rgba(247,147,30,.7);
}

.phone-button{
  background:linear-gradient(135deg,var(--brand1) 0%, var(--brand2) 100%);
  color:#fff;
  padding:.9rem 1.4rem;
  border-radius:10px;
  text-decoration:none;
  font-weight:700;
  font-size:1.05rem;
  transition:transform .2s, box-shadow .2s;
  box-shadow:0 4px 15px rgba(255,107,53,.25);
  display:inline-flex;
  align-items:center;
  gap:.5rem;
}
.phone-button:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(255,107,53,.35)}

.hero{
  position:relative;
  min-height:560px;
  background:
    linear-gradient(135deg, rgba(26,26,26,.85), rgba(247,147,30,.75)),
    url('https://images.unsplash.com/photo-1556911220-bff31c812dba?q=80&w=2000') center/cover no-repeat;
  display:flex;
  align-items:center;
  justify-content:center;
  text-align:center;
  color:#fff;
  padding:40px 20px;
}
.hero-content{max-width:920px}
.hero h1{
  font-size:3.1rem;
  margin-bottom:1.2rem;
  font-weight:850;
  line-height:1.12;
  text-shadow:2px 2px 4px rgba(0,0,0,.5);
}
.hero p{
  font-size:1.35rem;
  margin-bottom:2.2rem;
  font-weight:350;
  text-shadow:1px 1px 2px rgba(0,0,0,.5);
}
.hero-cta{
  display:inline-block;
  background:linear-gradient(135deg,var(--brand1) 0%, var(--brand2) 100%);
  color:#fff;
  padding:1.1rem 2.2rem;
  border-radius:999px;
  text-decoration:none;
  font-weight:800;
  font-size:1.1rem;
  transition:transform .2s, box-shadow .2s;
  box-shadow:0 6px 24px rgba(255,107,53,.35);
}
.hero-cta:hover{transform:translateY(-3px);box-shadow:0 12px 34px rgba(255,107,53,.5)}

.alert-section{
  background:linear-gradient(135deg, var(--black) 0%, #2d2d2d 100%);
  color:#fff;
  padding:3rem 20px;
  text-align:center;
  border-top:4px solid var(--brand2);
  border-bottom:4px solid var(--brand1);
}
.alert-section h2, .alert-section h3{color:var(--brand2)}
.alert-section h3{margin-bottom:1rem;font-size:1.8rem}
.alert-section p{font-size:1.15rem;max-width:900px;margin:0 auto;line-height:1.85;color:#f3f3f3}

main section{padding:70px 0}
h2{
  font-size:2.45rem;
  margin-bottom:1.2rem;
  color:var(--black);
  font-weight:850;
  position:relative;
  padding-bottom:1rem;
}
h2:after{
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:84px;
  height:4px;
  background:linear-gradient(135deg,var(--brand1) 0%, var(--brand2) 100%);
  border-radius:999px;
}
.intro-text{
  font-size:1.15rem;
  color:#555;
  margin-bottom:2.6rem;
  line-height:1.95;
  max-width:980px;
}

.image-text-section{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:3.2rem;
  align-items:center;
  margin:2.2rem 0 4rem;
}
.image-text-section img{
  width:100%;
  height:400px;
  object-fit:cover;
  border-radius:14px;
  box-shadow:0 10px 30px rgba(0,0,0,.14);
}
.text-content h3{
  font-size:1.75rem;
  color:var(--black);
  margin-bottom:1.1rem;
  font-weight:800;
}
.text-content ul{list-style:none;padding:0}
.text-content li{
  padding:.75rem 0;
  padding-left:2rem;
  position:relative;
  font-size:1.03rem;
}
.text-content li:before{
  content:"▶";
  position:absolute;
  left:0;
  color:var(--brand2);
  font-weight:900;
}

.dangers-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(260px,1fr));
  gap:2rem;
  margin-top:2.2rem;
}
.danger-card{
  background:#fff;
  padding:2.1rem;
  border-radius:14px;
  box-shadow:0 4px 18px rgba(0,0,0,.08);
  border-top:6px solid var(--brand1);
  transition:transform .2s, box-shadow .2s;
}
.danger-card:hover{transform:translateY(-5px);box-shadow:0 12px 34px rgba(255,107,53,.18)}
.danger-card h3{margin:.4rem 0 .7rem;color:var(--black);font-size:1.35rem}
.danger-icon{font-size:3rem;margin-bottom:.2rem}

.benefits-grid{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(240px,1fr));
  gap:2.5rem;
  margin-top:2.2rem;
}
.benefit-card{
  text-align:center;
  padding:2rem 1.6rem;
  background:linear-gradient(135deg,var(--soft) 0%, #fff 100%);
  border-radius:16px;
  transition:transform .2s;
}
.benefit-card:hover{transform:translateY(-5px)}
.benefit-icon{font-size:4rem;margin-bottom:1rem;filter:drop-shadow(2px 2px 4px rgba(247,147,30,.25))}
.benefit-card h3{color:var(--black);margin-bottom:.6rem;font-size:1.25rem;font-weight:850}

.process-section{
  background:var(--black);
  color:#fff;
}
.process-section h2{color:#fff}
.process-section h2:after{background:linear-gradient(135deg,var(--brand1) 0%, var(--brand2) 100%)}
.process-steps{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(220px,1fr));
  gap:2.4rem;
  margin-top:2.2rem;
}
.step{text-align:center;padding:1.6rem 1.2rem}
.step h3{margin:.4rem 0 .6rem;font-size:1.25rem}
.step p{color:#e9e9e9}
.step-number{
  background:linear-gradient(135deg,var(--brand1) 0%, var(--brand2) 100%);
  color:#fff;
  width:70px;height:70px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  font-size:2rem;font-weight:900;
  margin:0 auto 1rem;
  box-shadow:0 6px 20px rgba(255,107,53,.35);
}

.form-container{
  max-width:720px;
  margin:2.6rem auto 0;
  background:#fff;
  padding:3rem;
  border-radius:16px;
  box-shadow:var(--shadow);
}
.form-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:1.2rem;
}
.form-group{margin-bottom:.8rem}
.form-group.full-width{grid-column:1 / -1}
label{display:block;margin-bottom:.45rem;font-weight:800;color:var(--black)}
input, textarea, select{
  width:100%;
  padding:1rem;
  border:2px solid #e3e3e3;
  border-radius:10px;
  font-size:1rem;
  font-family:inherit;
  background:#fff;
  transition:border-color .2s, box-shadow .2s;
}
input:focus, textarea:focus, select:focus{
  outline:none;border-color:var(--brand2);
  box-shadow:0 0 0 4px rgba(247,147,30,.15);
}
textarea{resize:vertical;min-height:120px}
.submit-btn{
  width:100%;
  background:linear-gradient(135deg,var(--brand1) 0%, var(--brand2) 100%);
  color:#fff;
  padding:1.2rem 1.2rem;
  border:none;
  border-radius:999px;
  font-size:1.15rem;
  font-weight:900;
  cursor:pointer;
  transition:transform .2s, box-shadow .2s;
  box-shadow:0 6px 24px rgba(255,107,53,.28);
}
.submit-btn:hover{transform:translateY(-2px);box-shadow:0 12px 34px rgba(255,107,53,.45)}
.form-note{font-size:.95rem;color:#666;margin-top:12px}
.form-note a{color:var(--black);text-decoration:underline}

.faq-item{
  background:linear-gradient(135deg,var(--soft) 0%, #fff 100%);
  padding:1.8rem;
  margin-bottom:1.2rem;
  border-radius:14px;
  border-left:6px solid var(--brand2);
  box-shadow:0 2px 10px rgba(0,0,0,.05);
}
.faq-item h3{color:var(--black);margin-bottom:.6rem;font-size:1.2rem}

.zones-list{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(200px,1fr));
  gap:1rem;
  margin-top:1.6rem;
}
.zone-item{
  padding:1rem;
  background:linear-gradient(135deg,var(--soft) 0%, #fff 100%);
  border-radius:12px;
  text-align:center;
  border:1px solid rgba(0,0,0,.05);
}

footer{
  background:var(--black);
  color:#fff;
  padding:4rem 0 2rem;
}
.footer-content{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(240px,1fr));
  gap:2.5rem;
  margin-bottom:2.2rem;
}
.footer-section h4{margin-bottom:1rem;font-size:1.25rem;color:var(--brand2)}
.footer-section p, .footer-section a{color:#ccc;text-decoration:none;line-height:1.9}
.footer-section a:hover{color:var(--brand2)}
.footer-phone{font-size:1.45rem;color:var(--brand2);font-weight:900}
.small-links{display:flex;flex-direction:column;gap:.35rem;margin-top:.9rem}
.footer-bottom{
  text-align:center;
  padding-top:1.6rem;
  border-top:1px solid #333;
  color:#9a9a9a;
}

/* utility */
.center{text-align:center}

/* responsive */
@media (max-width: 900px){
  .hero{min-height:520px}
  .hero h1{font-size:2.35rem}
  .hero p{font-size:1.15rem}
  .nav-links{display:none}
}
@media (max-width: 768px){
  .image-text-section{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .hero{min-height:480px}
}