/* Intégral Software — v2 with Comic Sans MS, spacing, light links, styled details */
:root{
  --bg: #0b0c10;
  --bg-alt:#0e1117;
  --text: #e6e8ee;
  --muted:#a9b0bd;
  --brand:#6ee7ff;
  --brand-2:#a78bfa;
  --card:#12161f;
  --border:#1f2430;
  --success:#66d19e;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
}
@media (prefers-color-scheme: light){
  :root{
    --bg:#ffffff;
    --bg-alt:#f7f8fb;
    --text:#0c1220;
    --muted:#586170;
    --card:#ffffff;
    --border:#e8ecf2;
    --shadow: 0 10px 30px rgba(0,0,0,.08);
  }
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen,
               Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
h1,h2,h3{line-height:1.2; margin:0 0 .75rem}
h1{font-size:clamp(2rem,4vw,3rem)}
h2{font-size:clamp(1.6rem,3vw,2.1rem); margin-bottom:1rem}
h3{font-size:1.3rem}
p{margin:.6rem 0 1.1rem}
.container{max-width:1100px; margin:0 auto; padding:0 1rem}
.section{padding:5rem 0}
.section.alt{background:var(--bg-alt)}

a{color:#8be4ff}
a:hover{color:#b7f0ff}

.site-header{
  position:sticky; top:0; z-index:99; background:rgba(0,0,0,0);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex; align-items:center; justify-content:space-between; padding:1rem 1rem}
.brand{display:flex; align-items:center; gap:.75rem; text-decoration:none; color:var(--text); font-weight:700}
.site-nav{display:flex; gap:.6rem; align-items:center}
.site-nav a{color:var(--text); text-decoration:none; opacity:.95; padding:.25rem .4rem; border-radius:.4rem}
.site-nav a:hover{opacity:1; background:rgba(255,255,255,.06)}
.menu-toggle{display:none; font-size:1.25rem; background:none; border:1px solid var(--border); color:var(--text); padding:.4rem .6rem; border-radius:.5rem}

@media (max-width:900px){
  .menu-toggle{display:block}
  .site-nav{position:absolute; right:1rem; top:72px; background:var(--card); border:1px solid var(--border); padding:.75rem; border-radius:.75rem; box-shadow:var(--shadow); display:none; flex-direction:column}
  .site-nav.open{display:flex}
}

.hero{position:relative; overflow:hidden; border-bottom:1px solid var(--border);}
.hero-inner{display:grid; grid-template-columns:1.1fr .9fr; gap:3rem; align-items:center; padding:5rem 0}
.hero .note{color:var(--muted); margin-top:.75rem}
.hero .blob{width:min(70vw,620px); height:min(70vw,620px);
  background:
  radial-gradient(60% 60% at 40% 40%, rgba(110,231,255,.6), rgba(110,231,255,0) 60%),
  radial-gradient(60% 60% at 70% 60%, rgba(167,139,250,.55), rgba(167,139,250,0) 60%),
  radial-gradient(60% 60% at 30% 80%, rgba(255,255,255,.18), rgba(255,255,255,0) 60%);
  filter: blur(30px) saturate(120%);
  border-radius:50%; transform:translateZ(0); margin:auto;
  border:1px solid var(--border);
}
@media (max-width:900px){
  .hero-inner{grid-template-columns:1fr}
  .hero-art{order:-1}
}

.btn{display:inline-block; padding:.9rem 1.1rem; border:1px solid var(--border); border-radius:.9rem; text-decoration:none; color:var(--text); font-weight:700}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:linear-gradient(135deg, var(--brand), var(--brand-2)); color:#0b1020; border:none}
.btn:focus{outline:3px solid var(--brand-2); outline-offset:2px}

.app-card{
  background:var(--card);
  border:1px solid var(--border);
  box-shadow:var(--shadow);
  border-radius:1rem;
  padding:1.25rem;
  margin:1.5rem 0;
}
.app-card-body{display:grid; grid-template-columns:96px 1fr; gap:1.25rem; align-items:start}
.app-logo{border-radius:20%; display:block}
.app-card h3{margin-bottom:.4rem}
.checklist{padding-left:1.2rem; margin:.5rem 0 1rem}
.checklist li{margin:.35rem 0}
.store-row{display:flex; flex-wrap:wrap; gap:.6rem; margin-top:.5rem}
.store-btn{display:inline-flex; align-items:center; gap:.5rem; padding:.7rem 1rem; border-radius:.7rem; border:1px solid var(--border); text-decoration:none; color:var(--text); font-weight:700}
.store-btn.ios::before{content:""; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;}
.store-btn.android::before{content:"▶"; font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;}
.store-btn.disabled{opacity:.6; pointer-events:none}

.grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:1.2rem}
.card{background:var(--card); border:1px solid var(--border); box-shadow:var(--shadow); border-radius:.9rem; padding:1.1rem}
.pill-grid{display:flex; flex-wrap:wrap; gap:.6rem; margin:.9rem 0 1.1rem}
.pill{padding:.4rem .7rem; border-radius:999px; background:rgba(110,231,255,.1); border:1px solid var(--border)}

details{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:.9rem;
  padding:.9rem 1rem;
  margin:1rem 0;
  box-shadow:var(--shadow);
}
details[open]{border-color:rgba(167,139,250,.6)}
details > summary{
  list-style:none;
  cursor:pointer;
  font-weight:700;
  margin:.25rem 0 .5rem;
}
details > summary::-webkit-details-marker{display:none}

.legal h1{margin-bottom:1rem}
.tiny{font-size:1rem; color:var(--muted)}

.site-footer{border-top:1px solid var(--border); padding:1.8rem 0}
.footer-inner{display:flex; align-items:center; justify-content:space-between; gap:1rem}
.footer-nav{display:flex; gap:1rem; flex-wrap:wrap}

@media (max-width:900px){
  .grid-3{grid-template-columns:1fr}
  .footer-inner{flex-direction:column}
}