:root{
  --bg:#0b0f10;
  --panel:#0f1416;
  --muted:#6b7280;
  --text:#eef2f6;
  --primary:#0F766E; /* teal profond */
  --accent:#EAB308;  /* or doux */
  --border: rgba(255,255,255,.08);
}

*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,Arial,sans-serif;
  background:#0b1113;
  color:var(--text);
  line-height:1.6;
}

/* Layout helpers */
.container{width:min(1100px,92%);margin:0 auto}
.section{padding:80px 0}
.section.alt{background:#0a0f11}
.grid-2{display:grid;grid-template-columns:1.1fr .9fr;gap:32px}
@media (max-width: 900px){.grid-2{grid-template-columns:1fr}}

h1,h2,h3{line-height:1.2;margin:0 0 12px}
h1{font-size:clamp(28px,5vw,42px);font-weight:800}
h2{font-size:clamp(22px,4vw,32px);font-weight:700}
h3{font-size:20px;font-weight:700}
p{margin:0 0 12px;color:#d5dde3}
.lead{font-size:clamp(16px,2.4vw,18px);color:#dfe7ec}

.accent{color:var(--accent)}

/* Header / Nav */
.header{
  position:sticky; top:0; z-index:50;
  backdrop-filter:saturate(120%) blur(8px);
  background:linear-gradient(180deg, rgba(11,17,19,.9), rgba(11,17,19,.6));
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;min-height:64px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text)}
.brand-logo{width:34px;height:34px}
.brand-text{font-weight:800;letter-spacing:.2px}

.nav-links{display:flex;gap:18px;align-items:center}
.nav-link{color:#cfe3eb;text-decoration:none;padding:8px 10px;border-radius:10px}
.nav-link.active{background:rgba(15,118,110,.18);color:#e9fbff}
.btn{background:var(--primary);color:#041014;text-decoration:none;border:none;border-radius:12px;padding:12px 18px;font-weight:700;cursor:pointer;display:inline-block}
.btn:hover{filter:brightness(1.08)}
.btn--ghost{background:transparent;color:#e6f7f9;border:1px solid var(--border)}
.btn--sm{padding:8px 12px;border-radius:10px}
.nav-toggle{display:none;background:transparent;color:#e6f7f9;border:1px solid var(--border);padding:8px 12px;border-radius:10px}
@media (max-width: 760px){
  .nav-links{position:absolute;right:4%;top:64px;background:#0b1113;border:1px solid var(--border);border-radius:14px;flex-direction:column;padding:10px;display:none}
  .nav-links.open{display:flex}
  .nav-toggle{display:block}
}

/* Hero */
.hero{padding:72px 0 32px;border-bottom:1px solid var(--border)}
.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center}
@media (max-width: 980px){.hero-grid{grid-template-columns:1fr}}
.bullets{display:grid;gap:6px;margin-top:14px;padding-left:18px}
.bullets li{color:#cfe3eb}
.card{background:linear-gradient(180deg,#0d1214,#0a0e0f);border:1px solid var(--border);border-radius:18px;box-shadow:0 10px 30px rgba(0,0,0,.25);overflow:hidden}
.media{width:100%;height:auto;display:block}

/* Services */
.cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:20px}
.cards--3{grid-template-columns:repeat(3,1fr)}
@media (max-width: 980px){.cards,.cards--3{grid-template-columns:1fr}}
.card h3{margin:14px 16px 8px}
.card p{margin:0 16px 12px}
.tags{display:flex;flex-wrap:wrap;gap:8px;margin:0 16px 18px;padding:0;list-style:none}
.tags li{font-size:12px;color:#cfe3eb;border:1px dashed var(--border);padding:6px 8px;border-radius:999px}

.card--project .thumb{
  aspect-ratio: 16/9;
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--border)
}

/* About KPIs */
.about-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.kpi{background:#0b1113;border:1px solid var(--border);border-radius:14px;padding:16px;text-align:center}
.kpi-num{font-size:28px;font-weight:800;color:#f5fafc}
.kpi-label{display:block;color:#b6c5cc}

/* Form */
.form{background:#0b1113;border:1px solid var(--border);border-radius:16px;padding:18px}
.form label{display:block;font-weight:600;margin-bottom:10px}
.form input,.form textarea{
  width:100%;margin-top:6px;background:#0a0f11;border:1px solid var(--border);
  color:#eaf6fb;border-radius:12px;padding:12px 14px;outline:none
}
.form input:focus,.form textarea:focus{border-color:rgba(234,179,8,.6)}
.form button{margin-top:8px}

/* Footer */
.footer{border-top:1px solid var(--border);padding:22px 0;background:#0a0f11}
.footer-grid{display:flex;align-items:center;justify-content:space-between;gap:14px}
.footer-links a{color:#cfe3eb;text-decoration:none;margin-left:10px}
.footer-links a:hover{color:#ffffff}