/* ===============================
   CAFIOT — Thème moderne responsive (HTML + CSS pur)
   Fichier: assets/css/styles.css
   =============================== */
:root{
  --bg:#0b0f14;
  --panel:#111827;
  --soft:#0f1622;
  --text:#e5e7eb;
  --muted:#9ca3af;
  --brand:#16a34a;     /* vert construction */
  --brand-2:#22c55e;
  --warning:#f59e0b;
  --radius:16px;
  --shadow:0 10px 30px rgba(0,0,0,0.35);
  --max:1200px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Inter, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
  background: radial-gradient(1200px 800px at 10% -10%, #15312a55, transparent),
              radial-gradient(900px 600px at 120% 10%, #1b2b5355, transparent),
              var(--bg);
  color:var(--text);
  line-height:1.6;
}

a{color:var(--brand)}
img{max-width:100%; display:block}

.container{max-width:var(--max); margin:0 auto; padding:0 20px}

.button{
  display:inline-flex; align-items:center; gap:10px;
  background:linear-gradient(90deg, var(--brand), var(--brand-2));
  color:#041006; border:none; padding:14px 20px; border-radius:999px;
  font-weight:700; text-decoration:none; box-shadow:var(--shadow);
  transition: transform .15s ease, opacity .15s ease;
}
.button:hover{ transform: translateY(-1px); opacity:.95 }
.button.outline{
  background:transparent; color:var(--text); border:1px solid #334155;
  box-shadow:none;
}

.badge{
  display:inline-block; padding:4px 10px; border-radius:999px;
  background:#0a1b12; border:1px solid #1f8f47; color:#a7f3d0;
  font-size:12px; letter-spacing:.02em;
}

/* Header */
.header{
  position:sticky; top:0; z-index:50; backdrop-filter: blur(8px);
  background:rgba(10,14,20,0.65); border-bottom:1px solid rgba(255,255,255,.06);
}
.nav{display:flex; align-items:center; justify-content:space-between; padding:14px 0}
.brand{display:flex; align-items:center; gap:12px; font-weight:800; letter-spacing:.4px}
.brand .logo{
  width:38px; height:38px; border-radius:10px;
  background:radial-gradient(30px 30px at 30% 30%, #34d399, transparent),
             radial-gradient(40px 40px at 80% 0%, #60a5fa, transparent),
             #0b151f;
  border:1px solid #1f2937;
}
.nav a{color:var(--text); text-decoration:none; opacity:.8}
.nav a:hover{opacity:1}
.menu{display:flex; gap:18px; align-items:center}

/* Hero */
.hero{
  padding:90px 0 60px; position:relative; overflow:hidden;
}
.hero-grid{
  display:grid; grid-template-columns: 1.2fr .8fr; gap:30px; align-items:center;
}
.hero h1{
  font-size:clamp(32px, 4vw, 52px); line-height:1.1; margin:10px 0 16px;
}
.hero p{color:var(--muted); font-size:18px}
.hero-card{
  background:linear-gradient(180deg, #0d1623, #0b111a);
  border:1px solid #1f2937; border-radius:var(--radius); padding:22px; box-shadow:var(--shadow);
}
.hero-stats{display:grid; grid-template-columns: repeat(3,1fr); gap:14px; margin-top:18px}
.kpi{
  background:#0c1520; border:1px solid #1f2937; border-radius:14px; padding:16px;
  text-align:center
}
.kpi b{font-size:22px}
.kpi span{display:block; color:var(--muted); font-size:12px}

/* Section */
.section{padding:70px 0}
.section h2{font-size:28px; margin:0 0 8px}
.section p.lead{color:var(--muted); margin-top:0}

/* Services */
.cards{display:grid; grid-template-columns: repeat(3,1fr); gap:18px; margin-top:26px}
.card{
  background:linear-gradient(180deg, #0d1623, #0b111a);
  border:1px solid #1f2937; border-radius:18px; padding:20px;
  box-shadow:var(--shadow); display:flex; flex-direction:column; gap:10px;
}
.card .icon{
  width:42px; height:42px; border-radius:10px; display:grid; place-items:center;
  background:#0a1b12; border:1px solid #1f8f47; font-weight:900; color:#a7f3d0;
}
.card ul{margin:0; padding-left:18px; color:var(--muted)}
.card a{align-self:flex-start}

/* Assurances */
.assurances{
  display:grid; grid-template-columns: 1fr 1fr; gap:22px; margin-top:20px
}
.notice{
  background:#0c1118; border:1px dashed #334155; padding:16px; border-radius:14px;
  color:#cbd5e1
}

/* Réalisations */
.grid{
  display:grid; grid-template-columns: repeat(3,1fr); gap:12px; margin-top:20px
}
.tile{
  background:#0c1520; border:1px solid #1f2937; border-radius:14px; overflow:hidden;
}
.tile img{aspect-ratio: 4/3; object-fit:cover; width:100%}
.tile .cap{padding:12px; color:var(--muted); font-size:14px}

/* Contact */
.contact{
  display:grid; grid-template-columns: 1.2fr .8fr; gap:22px; margin-top:20px
}
.form{
  background:#0d1520; border:1px solid #1f2937; border-radius:16px; padding:18px; box-shadow:var(--shadow);
}
.form .row{display:grid; grid-template-columns:1fr 1fr; gap:12px}
.input, textarea{
  width:100%; background:#0a0f15; border:1px solid #1f2937; color:var(--text);
  padding:12px 14px; border-radius:10px; outline:none
}
textarea{min-height:120px; resize:vertical}

/* Footer */
.footer{
  border-top:1px solid rgba(255,255,255,.06); color:var(--muted);
  padding:26px 0 60px; text-align:center
}

/* Responsive */
@media (max-width: 960px){
  .hero-grid, .contact{grid-template-columns:1fr}
  .cards{grid-template-columns:1fr 1fr}
  .grid{grid-template-columns:1fr 1fr}
  .assurances{grid-template-columns:1fr}
}
@media (max-width: 640px){
  .cards, .grid{grid-template-columns:1fr}
  .hero{padding-top:70px}
  .nav .menu{display:none}
}