:root{
  --ink:#18302a;
  --ink-2:#27473e;
  --paper:#f4f1e9;
  --cream:#e9e2d2;
  --white:#ffffff;
  --accent:#9abf64;
  --accent-2:#c7df9b;
  --muted:#6d756f;
  --line:rgba(17,32,29,.14);
  --shadow:0 22px 60px rgba(8,24,20,.16);
  --radius:24px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"DM Sans",sans-serif;
  color:var(--ink);
  background:var(--paper);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.section{padding:112px 0}
.topbar{background:#0a1714;color:#d8e0dc;font-size:.82rem}
.topbar-inner{min-height:38px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.topbar-links{display:flex;gap:24px}
.topbar a:hover{color:var(--accent-2)}
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(244,241,233,.93);
  backdrop-filter:blur(18px);
  border-bottom:1px solid rgba(17,32,29,.08);
}
.nav-wrap{min-height:84px;display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;align-items:center;gap:12px}
.brand-mark{
  width:47px;height:47px;border-radius:14px;
  background:var(--ink);color:var(--accent-2);
  display:grid;place-items:center;
}
.brand-mark svg{width:29px;height:29px}
.brand strong,.brand small{display:block;line-height:1}
.brand strong{font:800 1.1rem/1 "Manrope",sans-serif;text-transform:uppercase;letter-spacing:.05em}
.brand small{font-size:.76rem;letter-spacing:.24em;text-transform:uppercase;color:var(--muted);margin-top:7px}
.main-nav{display:flex;align-items:center;gap:32px;font-size:.93rem;font-weight:600}
.main-nav>a:not(.nav-cta){position:relative}
.main-nav>a:not(.nav-cta)::after{
  content:"";position:absolute;left:0;right:100%;bottom:-8px;height:2px;background:var(--accent);transition:.25s
}
.main-nav>a:not(.nav-cta):hover::after{right:0}
.nav-cta{background:var(--ink);color:white;padding:13px 20px;border-radius:999px}
.menu-toggle{display:none;background:none;border:0;padding:8px}
.menu-toggle span{display:block;width:25px;height:2px;background:var(--ink);margin:5px}
.hero{position:relative;min-height:760px;display:flex;align-items:center;overflow:hidden;background:#101b18}
.hero-bg{
  position:absolute;inset:0;
  background:url("assets/couvreur-coucher-soleil.jpg") center 44%/cover no-repeat;
  transform:scale(1.02)
}
.hero-overlay{
  position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(7,18,15,.93) 0%,rgba(7,18,15,.74) 48%,rgba(7,18,15,.25) 100%),
    linear-gradient(0deg,rgba(7,18,15,.5),transparent 55%);
}
.hero-content{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1.25fr) minmax(320px,.65fr);
  gap:80px;align-items:end;padding:110px 0;
}
.eyebrow{
  margin:0 0 18px;
  color:var(--accent-2);
  text-transform:uppercase;
  letter-spacing:.19em;
  font-size:.78rem;
  font-weight:800
}
.eyebrow.dark{color:#628b3f}
.hero h1,.section h2{
  font-family:"Manrope",sans-serif;
  letter-spacing:-.045em;
  margin:0
}
.hero h1{font-size:clamp(3.4rem,6vw,6.6rem);line-height:.94;color:white;max-width:850px}
.hero h1 span{color:var(--accent-2)}
.hero-text{max-width:720px;color:#d7dfdb;font-size:1.12rem;margin:28px 0 34px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:54px;padding:0 25px;border-radius:999px;
  font-weight:800;border:1px solid transparent;transition:.25s;cursor:pointer
}
.btn-primary{background:var(--accent);color:#101a17}
.btn-primary:hover{background:var(--accent-2);transform:translateY(-2px)}
.btn-secondary{border-color:rgba(255,255,255,.42);color:white;background:rgba(255,255,255,.06)}
.btn-secondary:hover{background:white;color:var(--ink)}
.hero-trust{display:flex;flex-wrap:wrap;gap:20px;margin-top:34px;color:#d7dfdb;font-size:.87rem}
.hero-trust span{display:flex;align-items:center;gap:8px}
.hero-trust span::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--accent-2)}
.hero-card{
  background:rgba(246,242,233,.94);
  backdrop-filter:blur(15px);
  padding:36px;border-radius:var(--radius);
  box-shadow:var(--shadow)
}
.card-kicker{color:#628b3f;font-size:.76rem;text-transform:uppercase;letter-spacing:.16em;font-weight:800;margin:0}
.hero-card h2{font-size:2rem;line-height:1.13;margin:13px 0 22px}
.hero-card ul{padding:0;margin:0 0 26px;list-style:none;display:grid;gap:11px}
.hero-card li{padding-left:25px;position:relative}
.hero-card li::before{content:"✓";position:absolute;left:0;color:#628b3f;font-weight:800}
.hero-card>a{font-weight:800;color:#557a34;word-break:break-word}
.intro-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:90px;align-items:center}
.intro-media{position:relative;padding:0 34px 34px 0}
.intro-media img{width:100%;height:540px;object-fit:cover;border-radius:28px;box-shadow:var(--shadow)}
.floating-note{
  position:absolute;right:0;bottom:0;width:min(330px,72%);
  background:var(--ink);color:white;padding:26px;border-radius:20px
}
.floating-note strong,.floating-note span{display:block}
.floating-note strong{font-family:"Manrope";font-size:1.05rem;margin-bottom:6px}
.floating-note span{color:#cbd4d0;font-size:.88rem}
.section h2{font-size:clamp(2.3rem,4.5vw,4.25rem);line-height:1.04}
.intro-copy p:not(.eyebrow){color:#5f6964;font-size:1.03rem}
.text-link{display:inline-flex;gap:12px;align-items:center;font-weight:800;margin-top:14px;color:#5f873b}
.text-link span{transition:.25s}
.text-link:hover span{transform:translateX(5px)}
.services{background:#e8e2d4}
.section-heading{display:flex;align-items:end;justify-content:space-between;gap:50px;margin-bottom:52px}
.section-heading>div{max-width:780px}
.section-heading>p{max-width:420px;color:#626c66;margin:0 0 8px}
.service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.service-card{
  background:rgba(255,255,255,.58);
  border:1px solid rgba(17,32,29,.08);
  padding:34px;border-radius:20px;min-height:280px;
  transition:.3s
}
.service-card:hover{transform:translateY(-7px);background:white;box-shadow:0 20px 45px rgba(24,39,34,.10)}
.service-number{display:grid;place-items:center;width:48px;height:48px;border-radius:50%;background:var(--ink);color:var(--accent-2);font-weight:800}
.service-card h3{font:800 1.4rem/1.2 "Manrope";margin:38px 0 12px}
.service-card p{color:#68706c;margin:0}
.expertise{background:var(--ink);color:white}
.expertise-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:90px;align-items:center}
.expertise-copy>p:not(.eyebrow){color:#c3ceca}
.steps{display:grid;gap:20px;margin-top:34px}
.step{display:grid;grid-template-columns:48px 1fr;gap:18px;align-items:start}
.step>span{width:42px;height:42px;border:1px solid rgba(255,255,255,.2);display:grid;place-items:center;border-radius:50%;color:var(--accent-2);font-weight:800}
.step strong{font:800 1.05rem "Manrope"}
.step p{margin:4px 0 0;color:#aebbb6}
.expertise-gallery{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.expertise-gallery img{width:100%;height:230px;object-fit:cover;border-radius:18px}
.expertise-gallery .large{grid-column:1/-1;height:385px}
.project-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
.project{position:relative;margin:0;min-height:310px;border-radius:22px;overflow:hidden}
.project-wide{grid-row:span 2;min-height:640px}
.project img{width:100%;height:100%;object-fit:cover;transition:.5s}
.project::after{content:"";position:absolute;inset:0;background:linear-gradient(0deg,rgba(8,19,16,.82),transparent 58%)}
.project:hover img{transform:scale(1.04)}
.project figcaption{position:absolute;left:28px;right:28px;bottom:24px;z-index:2;color:white}
.project figcaption span,.project figcaption strong{display:block}
.project figcaption span{font-size:.75rem;letter-spacing:.15em;text-transform:uppercase;color:var(--accent-2);font-weight:800}
.project figcaption strong{font:800 1.25rem "Manrope";margin-top:5px}
.zone{background:#d8d2c5}
.zone-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:80px;align-items:center}
.zone-copy>p:not(.eyebrow){color:#626b66;max-width:680px}
.location-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.location-list span{padding:11px 16px;border:1px solid rgba(17,32,29,.15);border-radius:999px;background:rgba(255,255,255,.35);font-weight:600}
.zone-panel{background:var(--ink);color:white;border-radius:26px;padding:48px;box-shadow:var(--shadow)}
.zone-panel p{color:#aebbb6;margin-top:0}
.zone-panel h3{font:800 2.7rem/1.05 "Manrope";margin:8px 0 28px}
.zone-panel .btn{display:flex}
.zone-panel small{display:block;text-align:center;color:#9eaaa6;margin-top:16px}
.contact{background:#101b18;color:white}
.contact-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:90px;align-items:start}
.contact-copy>p:not(.eyebrow){color:#b8c4bf}
.contact-details{display:grid;gap:12px;margin-top:38px}
.contact-details a{border-top:1px solid rgba(255,255,255,.13);padding:18px 0;font-weight:800}
.contact-details span{display:block;color:#8fa099;text-transform:uppercase;letter-spacing:.12em;font-size:.7rem;margin-bottom:3px}
.contact-form{background:#f3efe6;color:var(--ink);padding:38px;border-radius:24px}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.contact-form label{display:block;font-weight:700;font-size:.88rem;margin-bottom:16px}
.contact-form input,.contact-form select,.contact-form textarea{
  width:100%;margin-top:8px;border:1px solid rgba(17,32,29,.14);
  background:white;border-radius:12px;padding:14px 15px;outline:none
}
.contact-form textarea{resize:vertical}
.contact-form input:focus,.contact-form select:focus,.contact-form textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(201,139,69,.16)}
.contact-form .btn{width:100%;border:0}
.form-note{text-align:center;color:#777f7a;font-size:.77rem;margin:13px 0 0}
footer{background:#07110f;color:#cbd4d0;padding:76px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr .6fr 1fr;gap:70px}
.footer-brand{color:white}
.footer-grid>div:first-child p{max-width:430px;color:#899892}
.footer-grid h3{color:white;font:800 1rem "Manrope";margin:0 0 18px}
.footer-grid>div:not(:first-child){display:flex;flex-direction:column;gap:9px}
.footer-grid a:hover{color:var(--accent-2)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);margin-top:50px;padding-top:22px;display:flex;justify-content:space-between;color:#74827c;font-size:.82rem}
.floating-call{
  position:fixed;right:20px;bottom:20px;z-index:70;
  width:58px;height:58px;border-radius:50%;display:none;place-items:center;
  background:var(--accent);color:#10201c;box-shadow:0 12px 30px rgba(0,0,0,.25)
}
.floating-call svg{width:27px;height:27px}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .75s ease,transform .75s ease}
.reveal.visible{opacity:1;transform:none}
.delay-1{transition-delay:.12s}.delay-2{transition-delay:.24s}
@media (max-width:980px){
  .main-nav{
    position:absolute;left:20px;right:20px;top:92px;
    padding:24px;background:var(--paper);border-radius:18px;
    box-shadow:var(--shadow);display:none;flex-direction:column;align-items:stretch;gap:18px
  }
  .main-nav.open{display:flex}
  .menu-toggle{display:block}
  .hero-content,.intro-grid,.expertise-grid,.zone-grid,.contact-grid{grid-template-columns:1fr}
  .hero{min-height:auto}
  .hero-content{gap:42px;padding:100px 0 70px}
  .hero-card{max-width:620px}
  .intro-grid,.expertise-grid,.zone-grid,.contact-grid{gap:55px}
  .service-grid{grid-template-columns:repeat(2,1fr)}
  .section-heading{align-items:start;flex-direction:column}
  .project-grid{grid-template-columns:1fr 1fr}
  .project-wide{grid-column:1/-1;grid-row:auto;min-height:500px}
}
@media (max-width:700px){
  .container{width:min(100% - 28px,1180px)}
  .section{padding:78px 0}
  .topbar-inner>span{display:none}
  .topbar-inner{justify-content:center}
  .topbar-links{gap:14px;flex-wrap:wrap;justify-content:center}
  .topbar-links a:last-child{display:none}
  .nav-wrap{min-height:74px}
  .hero-content{padding:80px 0 55px}
  .hero h1{font-size:clamp(2.8rem,14vw,4.4rem)}
  .hero-text{font-size:1rem}
  .hero-actions{flex-direction:column}
  .btn{width:100%}
  .hero-trust{gap:12px}
  .hero-card{padding:27px}
  .intro-media{padding:0 0 55px}
  .intro-media img{height:390px}
  .floating-note{width:90%;right:auto;left:5%}
  .service-grid,.project-grid,.form-row,.footer-grid{grid-template-columns:1fr}
  .service-card{min-height:auto}
  .project,.project-wide{min-height:360px;grid-column:auto}
  .expertise-gallery .large{height:280px}
  .expertise-gallery img{height:170px}
  .zone-panel,.contact-form{padding:28px}
  .zone-panel h3{font-size:2rem}
  .footer-bottom{flex-direction:column;gap:7px}
  .floating-call{display:grid}
}