:root{
  --green-1:#95c11f;
  --green-2:#5aa81a;
  --green-3:#008243;
  --green-4:#1b5e20;
  --dark:#2f354b;
  --text:#42495e;
  --muted:#6f778b;
  --white:#ffffff;
  --line:rgba(76,122,60,.14);
  --shadow:0 18px 55px rgba(27,45,37,.12);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,sans-serif;
  color:var(--text);
  background:linear-gradient(180deg,#f6f7f3 0%, #eef5eb 100%);
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit}
.container{width:min(1180px, calc(100% - 40px));margin:0 auto}

.site-header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(255,255,255,.88);
  border-bottom:1px solid rgba(0,0,0,.04);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  min-height:88px;gap:20px;
}
.brand{display:flex;align-items:center;gap:12px}
.brand img{width:72px;height:72px;object-fit:contain}
.brand-text{display:flex;flex-direction:column;line-height:.95;font-family:'Montserrat',sans-serif}
.brand-text strong{font-size:2rem;color:var(--green-2);font-weight:800}
.brand-text span{color:var(--dark);letter-spacing:.18em;font-weight:700}
.main-nav{display:flex;align-items:center;gap:30px}
.main-nav a{color:var(--dark);font-weight:600;position:relative}
.main-nav a::after{
  content:"";position:absolute;left:0;bottom:-8px;width:0;height:3px;
  background:linear-gradient(90deg,var(--green-1),var(--green-3));
  border-radius:99px;transition:.28s ease;
}
.main-nav a:hover::after{width:100%}
.menu-toggle{
  display:none;border:0;background:var(--white);box-shadow:var(--shadow);
  border-radius:14px;width:48px;height:48px;font-size:1.2rem;cursor:pointer;
}

.hero{
  position:relative;overflow:hidden;padding:72px 0 42px;
  background:
    linear-gradient(135deg, rgba(255,255,255,.9), rgba(255,255,255,.68)),
    url('../img/fond.png') center/cover no-repeat;
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    radial-gradient(circle at 20% 20%, rgba(149,193,31,.18), transparent 28%),
    radial-gradient(circle at 80% 80%, rgba(0,130,67,.12), transparent 24%);
}
.hero-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.1fr .9fr;gap:32px;align-items:center;
}
.glass-card{
  background:rgba(255,255,255,.78);
  backdrop-filter:blur(12px);
  border:1px solid rgba(255,255,255,.55);
  box-shadow:var(--shadow);
  border-radius:var(--radius);
}
.hero-copy{padding:42px}
.eyebrow{
  display:inline-block;margin-bottom:14px;font-weight:800;
  font-family:'Montserrat',sans-serif;color:var(--green-3);
  text-transform:uppercase;letter-spacing:.08em;font-size:.82rem;
}
.hero-copy h1,.section-heading h2,.benefits-copy h2,.contact-copy h2{
  margin:0 0 16px;color:var(--dark);font-family:'Montserrat',sans-serif;
  font-weight:800;line-height:1.05;
}
.hero-copy h1{font-size:clamp(2.4rem,4vw,4.5rem)}
.hero-copy h1 span{color:var(--green-2)}
.hero-copy p{font-size:1.06rem;line-height:1.75;color:var(--text)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:26px 0 24px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:54px;padding:0 22px;border-radius:999px;font-weight:700;transition:.25s ease;
}
.btn:hover{transform:translateY(-2px)}
.btn-primary{
  color:var(--white);
  background:linear-gradient(135deg,var(--green-1),var(--green-3));
  box-shadow:0 12px 24px rgba(0,130,67,.24);
}
.btn-secondary{
  color:var(--dark);
  border:1px solid rgba(47,53,75,.12);
  background:rgba(255,255,255,.78);
}
.btn-block{width:100%}
.hero-points{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.hero-points li{position:relative;padding-left:28px;color:var(--text);font-weight:500}
.hero-points li::before{
  content:"✓";position:absolute;left:0;top:0;color:var(--green-2);font-weight:900;
}
.hero-visual{border-radius:28px;overflow:hidden;box-shadow:var(--shadow);transform:translateY(16px)}
.hero-visual img{width:100%;height:100%;object-fit:cover}

.section{padding:92px 0}
.section-light{background:#fbfcfa}
.section-heading{max-width:760px;margin:0 auto 34px;text-align:center}
.section-heading p{margin:0;color:var(--muted);line-height:1.7}

.services-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:22px}
.service-card{
  background:var(--white);border:1px solid var(--line);
  border-radius:26px;overflow:hidden;box-shadow:var(--shadow);
}
.service-image img{width:100%;height:100%;min-height:280px;object-fit:cover}
.service-content{padding:24px}
.service-content h3,.prestation-card h3,.process-step h3,.benefit-item h3{
  margin:0 0 10px;color:var(--dark);font-family:'Montserrat',sans-serif;
}
.service-content p,.prestation-card p,.process-step p,.benefit-item p,.contact-copy p{
  margin:0;line-height:1.7;color:var(--muted);
}
.service-icon{
  height:90px;display:grid;place-items:center;font-family:'Montserrat',sans-serif;
  font-weight:800;font-size:1.6rem;color:var(--green-3);
  background:linear-gradient(135deg, rgba(149,193,31,.14), rgba(0,130,67,.08));
  border-bottom:1px solid var(--line);
}

.benefits-section{
  background:
    linear-gradient(180deg, rgba(244,246,242,.9), rgba(239,245,235,.95)),
    url('../img/background-alt.png') center/cover no-repeat;
}
.benefits-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}
.benefit-list{display:grid;gap:16px;margin-top:26px}
.benefit-item{
  display:grid;grid-template-columns:56px 1fr;gap:16px;padding:20px;
  background:rgba(255,255,255,.78);
  border:1px solid rgba(149,193,31,.18);
  border-radius:20px;box-shadow:var(--shadow);
}
.benefit-item > span{
  width:56px;height:56px;border-radius:18px;display:grid;place-items:center;
  font-size:1.35rem;color:var(--white);
  background:linear-gradient(135deg,var(--green-1),var(--green-3));
}
.benefits-panel{padding:16px}
.benefits-panel img{border-radius:20px;width:100%;box-shadow:var(--shadow)}

.prestation-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.prestation-card{
  padding:28px;background:linear-gradient(180deg,#ffffff,#f7fbf5);
  border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow);
}

.process-section{background:linear-gradient(180deg, #ffffff 0%, #f3f9f1 100%)}
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.process-step{
  padding:28px;background:var(--white);border:1px solid var(--line);
  border-radius:22px;box-shadow:var(--shadow);
}
.process-step strong{
  display:inline-flex;width:54px;height:54px;align-items:center;justify-content:center;
  margin-bottom:16px;border-radius:16px;color:var(--green-3);
  background:linear-gradient(135deg, rgba(149,193,31,.18), rgba(0,130,67,.08));
  font-family:'Montserrat',sans-serif;
}

.contact-section{background:linear-gradient(135deg, rgba(149,193,31,.08), rgba(0,130,67,.05))}
.contact-grid{display:grid;grid-template-columns:.95fr 1.05fr;gap:28px;align-items:start}
.contact-card,.contact-form{
  background:rgba(255,255,255,.88);
  border:1px solid rgba(255,255,255,.6);
  box-shadow:var(--shadow);border-radius:24px;
}
.contact-card{padding:24px;margin-top:20px}
.contact-card p{margin:0 0 14px}
.contact-card a{color:var(--green-4);font-weight:700}
.contact-form{padding:26px}
.form-row{display:grid;gap:8px;margin-bottom:16px}
label{font-size:.95rem;font-weight:700;color:var(--dark)}
input,textarea{
  width:100%;padding:16px 18px;border-radius:16px;border:1px solid rgba(47,53,75,.12);
  background:#fff;color:var(--dark);font:inherit;outline:none;
}
input:focus,textarea:focus{
  border-color:rgba(0,130,67,.45);
  box-shadow:0 0 0 4px rgba(149,193,31,.12);
}
.form-note{margin:14px 0 0;color:var(--muted);font-size:.92rem;line-height:1.6}

.site-footer{padding:24px 0;background:#ffffff;border-top:1px solid rgba(0,0,0,.05)}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:20px}
.footer-inner p{margin:0;color:var(--muted)}
.footer-inner a{color:var(--green-3);font-weight:700}

@media (max-width:1100px){
  .services-grid,.prestation-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:920px){
  .hero-grid,.benefits-grid,.contact-grid,.process-grid{grid-template-columns:1fr}
  .hero-copy{padding:32px}
  .hero-visual{transform:none}
  .main-nav{
    display:none;position:absolute;top:88px;left:20px;right:20px;padding:18px;
    border-radius:22px;background:rgba(255,255,255,.98);box-shadow:var(--shadow);
    flex-direction:column;align-items:flex-start;gap:18px;
  }
  .main-nav.is-open{display:flex}
  .menu-toggle{display:inline-grid;place-items:center}
}
@media (max-width:680px){
  .container{width:min(100% - 24px, 1180px)}
  .section{padding:72px 0}
  .brand img{width:58px;height:58px}
  .brand-text strong{font-size:1.7rem}
  .services-grid,.prestation-grid{grid-template-columns:1fr}
  .header-inner{min-height:78px}
  .main-nav{top:78px;left:12px;right:12px}
  .footer-inner{flex-direction:column;align-items:flex-start}
}