/* styles.css — thème inspiré d'ip-services.fr (bleu profond, fond clair, accent lumineux) */
:root{
  --bg: #0b1220;
  --panel: #0f172a;
  --surface: #0b1022;
  --text: #e6f1ff;
  --muted: #b6c2d9;
  --primary: #1ea3ff; /* accent bleu lumineux */
  --primary-2: #60c3ff;
  --ring: rgba(30,163,255,.35);
  --shadow: rgba(6,12,30,.5);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, 'Helvetica Neue', Arial, 'Noto Sans', 'Apple Color Emoji','Segoe UI Emoji', sans-serif;
  background: radial-gradient(1200px 800px at 80% -10%, rgba(30,163,255,.15), transparent 60%),
              radial-gradient(900px 600px at -10% 20%, rgba(96,195,255,.1), transparent 55%),
              var(--bg);
  color: var(--text);
  line-height:1.6;
}

/* Header */
.site-header{
  position: sticky; top:0; z-index:10;
  background: linear-gradient(180deg, rgba(13,20,40,.9), rgba(13,20,40,.65) 60%, rgba(13,20,40,0));
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 20px; max-width: 1100px; margin: 0 auto;
}
.brand{
  display:flex; align-items:center; gap:10px; text-decoration:none; color:var(--text);
  font-weight:800; letter-spacing:.3px;
}
.brand__logo{
  width:28px; height:28px;
}.brand__name{font-size:1.05rem}
.nav__links{display:flex; gap:14px; align-items:center}
.nav__links a{
  color:var(--muted); text-decoration:none; font-weight:600; font-size:.95rem;
  padding:8px 10px; border-radius:10px; transition:.25s ease;
}
.nav__links a:hover{color:var(--text); background: rgba(255,255,255,.05)}

/* Hero */
.container{max-width:1100px; margin:0 auto; padding: 20px}
.hero{
  position:relative; overflow:hidden;
  border: 1px solid rgba(255,255,255,.06);
  border-radius:20px; padding: clamp(28px, 6vw, 60px);
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  box-shadow: 0 10px 35px var(--shadow), inset 0 0 0 1px rgba(255,255,255,.02);
  margin-top:24px;
}
.hero__content{position:relative; z-index:1}
.headline{font-size: clamp(28px, 6vw, 48px); margin:0 0 8px; line-height:1.1}
.accent{background: linear-gradient(90deg, var(--primary), var(--primary-2)); -webkit-background-clip:text; background-clip:text; color:transparent}
.tagline{color:var(--muted); margin:0 0 22px; font-size: clamp(14px, 2.4vw, 18px)}
.cta-row{display:flex; flex-wrap:wrap; gap:12px}

.btn{
  display:inline-block; text-decoration:none;
  background: linear-gradient(180deg, rgba(30,163,255,.15), rgba(30,163,255,.05));
  border:1px solid rgba(96,195,255,.35);
  color: var(--text);
  padding:12px 16px; border-radius:12px; font-weight:700;
  transition: transform .12s ease, box-shadow .2s ease, background .2s ease;
  box-shadow: 0 10px 20px rgba(30,163,255,.12), inset 0 0 12px rgba(96,195,255,.08);
  position: relative; overflow: hidden;
}
.btn:hover{ transform: translateY(-2px); box-shadow: 0 16px 30px rgba(30,163,255,.18) }
.btn:active{ transform: translateY(0) scale(.98) }

.btn--alt{
  background: linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.03));
  border-color: rgba(255,255,255,.18);
}

/* Animated blobs */
.blob{
  position:absolute; border-radius:50%;
  filter: blur(20px); opacity:.45; will-change: transform, filter;
  animation: drift var(--speed) linear infinite;
}
.blob--1{ width: 340px; height: 340px; right:-80px; top:-60px; background: radial-gradient(circle at 30% 30%, rgba(96,195,255,.65), rgba(30,163,255,.25));
  --speed: 22s;
}
.blob--2{ width: 280px; height: 280px; left:-70px; bottom:-80px; background: radial-gradient(circle at 40% 40%, rgba(30,163,255,.6), rgba(14,100,170,.25));
  --speed: 26s;
}
.blob--3{ width: 180px; height: 180px; right:30%; bottom:-40px; background: radial-gradient(circle at 50% 50%, rgba(158,216,255,.55), rgba(30,163,255,.2));
  --speed: 28s;
}
@keyframes drift{
  0%   { transform: translate3d(0,0,0) scale(1) rotate(0) }
  50%  { transform: translate3d(10px,-8px,0) scale(1.06) rotate(15deg) }
  100% { transform: translate3d(0,0,0) scale(1) rotate(0) }
}

/* Cards */
.cards{
  display:grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap:16px;
  margin: 20px 0 30px;
}
.card{
  background: linear-gradient(180deg, rgba(255,255,255,.02), rgba(255,255,255,.01));
  border: 1px solid rgba(255,255,255,.06);
  padding:18px; border-radius:16px;
  box-shadow: 0 6px 20px rgba(0,0,0,.35);
}
.card h3{margin:0 0 8px; font-size:1.05rem}
.card p{margin:0; color:var(--muted); font-size:.95rem}

/* Footer */
.site-footer{
  margin-top: 14px; padding: 22px 20px; color: var(--muted);
  border-top: 1px solid rgba(255,255,255,.06);
  background: linear-gradient(180deg, rgba(13,20,40,.65), rgba(13,20,40,.9));
}
.site-footer .inner{max-width:1100px; margin:0 auto; display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:10px}
.small{font-size:.9rem}

/* Responsive */
@media (max-width: 860px){
  .cards{ grid-template-columns: 1fr }
  .nav__links{ display:none }
}