:root{
  --bg:#060d1a;
  --bg-2:#0a1728;
  --panel:rgba(255,255,255,.035);
  --line:rgba(148,190,235,.14);
  --txt:#eaf2fa;
  --txt-2:#9fb3c8;
  --txt-3:#71869e;
  --blue:#3ba9ff;
  --blue-deep:#0f6fd6;
  --red:#e1375f;
  --r-lg:20px;
  --r-md:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--txt);
  font-family:'Inter',system-ui,sans-serif;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
  line-height:1.6;
}
::selection{background:var(--blue-deep);color:#fff}
a{color:var(--blue);text-decoration:none}
h1,h2,h3,.display{font-family:'Space Grotesk',sans-serif;letter-spacing:-.02em;line-height:1.08}
.mono{font-family:'JetBrains Mono',monospace}
.wrap{max-width:1120px;margin:0 auto;padding:0 28px}
.eyebrow{
  font-family:'JetBrains Mono',monospace;
  font-size:12px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--blue);margin-bottom:16px;
}
.btn{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 24px;border-radius:var(--r-md);
  font-weight:600;font-size:15px;font-family:'Inter',sans-serif;
  transition:transform .18s ease, box-shadow .18s ease, background .18s ease, border-color .18s ease;
}
.btn-primary{
  background:linear-gradient(135deg,var(--blue-deep),var(--blue));
  color:#fff;box-shadow:0 10px 28px rgba(15,111,214,.32);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 36px rgba(15,111,214,.45)}
.btn-ghost{
  background:var(--panel);border:1px solid var(--line);color:var(--txt);
}
.btn-ghost:hover{border-color:rgba(59,169,255,.5);background:rgba(255,255,255,.06)}
.btn:focus-visible,a:focus-visible{outline:2px solid var(--blue);outline-offset:3px;border-radius:6px}

/* ---------- Fond étoilé global ---------- */
.sky{
  position:fixed;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(1100px 560px at 82% -6%, rgba(15,111,214,.16), transparent 62%),
    radial-gradient(800px 460px at 8% 108%, rgba(225,55,95,.07), transparent 55%),
    var(--bg);
}
.sky canvas{position:absolute;inset:0;width:100%;height:100%}
main,header,footer{position:relative;z-index:1}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:50;
  backdrop-filter:blur(14px);
  background:rgba(6,13,26,.6);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 28px;max-width:1120px;margin:0 auto;
}
.brand{display:flex;align-items:center;gap:11px;color:var(--txt)}
.brand img{width:36px;height:36px;object-fit:contain;filter:drop-shadow(0 0 10px rgba(59,169,255,.35))}
.brand span{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:19px}
.nav-links{display:flex;align-items:center;gap:30px}
.nav-links a{color:var(--txt-2);font-size:14.5px;font-weight:500;transition:color .15s}
.nav-links a:hover{color:var(--txt)}
.nav-links a.nav-cta,.nav-links a.nav-cta:hover{color:#fff}
.nav-cta{padding:10px 18px !important;font-size:14px !important}

/* actions du header (thème + burger) */
.nav-right{display:flex;align-items:center;gap:12px}
.nav-right .nav-links{margin-right:6px}
.theme-toggle{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:var(--panel);
  color:var(--txt-2);cursor:pointer;
  transition:color .15s,border-color .15s;
}
.theme-toggle:hover{color:var(--txt);border-color:rgba(59,169,255,.5)}
.theme-toggle .icon-moon{display:none}
[data-theme="light"] .theme-toggle .icon-sun{display:none}
[data-theme="light"] .theme-toggle .icon-moon{display:block}

/* menu mobile */
.menu-toggle{
  display:none;flex-direction:column;align-items:center;justify-content:center;gap:5px;
  width:42px;height:42px;border-radius:10px;
  border:1px solid var(--line);background:var(--panel);cursor:pointer;
}
.menu-toggle span{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--txt);
  transition:transform .2s ease;
}
.menu-toggle[aria-expanded="true"] span:first-child{transform:translateY(3.5px) rotate(45deg)}
.menu-toggle[aria-expanded="true"] span:last-child{transform:translateY(-3.5px) rotate(-45deg)}
@media(max-width:720px){
  .menu-toggle{display:flex}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    padding:12px 28px 20px;
    background:rgba(6,13,26,.96);backdrop-filter:blur(14px);
    border-bottom:1px solid var(--line);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:11px 0;font-size:16px}
  .nav-links .nav-cta{margin-top:12px;justify-content:center;padding:13px 18px !important;font-size:15px !important}
}

/* ---------- Hero ---------- */
.hero{padding:clamp(84px,10vw,112px) 28px 44px;text-align:center}
.hero .badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(59,169,255,.09);border:1px solid rgba(59,169,255,.28);
  font-family:'JetBrains Mono',monospace;font-size:12px;color:#8cd2ff;
  margin-bottom:30px;
}
.hero .badge i{width:6px;height:6px;border-radius:50%;background:var(--red);display:inline-block}
.hero h1{
  font-size:clamp(38px,6vw,64px);font-weight:700;
  max-width:820px;margin:0 auto 22px;text-wrap:balance;
}
.hero h1 em{
  font-style:normal;
  background:linear-gradient(115deg,var(--red) 0%,#7e5bd8 45%,var(--blue) 90%);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.hero p{
  font-size:18.5px;color:var(--txt-2);max-width:600px;margin:0 auto 36px;text-wrap:pretty;
}
.hero-ctas{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ---------- Constellation produits ---------- */
.constellation{padding:40px 28px 24px}
.constellation svg{width:100%;height:auto;display:block}
.const-caption{
  text-align:center;font-family:'JetBrains Mono',monospace;
  font-size:12px;color:var(--txt-3);margin-top:6px;letter-spacing:.08em;
}

/* ---------- Manifesto ---------- */
.manifesto{padding:clamp(76px,10vw,120px) 28px}
.manifesto-box{
  border-left:3px solid var(--red);
  padding:6px 0 6px 30px;max-width:760px;margin:0 auto;
}
.manifesto-box h2{font-size:clamp(24px,3.4vw,32px);margin-bottom:14px}
.manifesto-box p{color:var(--txt-2);font-size:17px;max-width:640px}

/* ---------- Sections ---------- */
section.wrap{padding:clamp(60px,8vw,88px) 28px}
.sec-head{max-width:640px;margin-bottom:clamp(40px,5vw,56px)}
.sec-head h2{font-size:clamp(28px,4vw,40px);margin-bottom:14px;text-wrap:balance}
.sec-head p{color:var(--txt-2);font-size:17px}

/* ---------- Factilo featured ---------- */
.factilo-card{
  position:relative;overflow:hidden;
  border-radius:26px;border:1px solid var(--line);
  background:linear-gradient(140deg,rgba(225,55,95,.07),rgba(126,91,216,.07) 45%,rgba(59,169,255,.08));
  padding:52px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;
}
.factilo-card::after{
  content:"";position:absolute;top:-70px;right:-50px;width:300px;height:300px;
  background:radial-gradient(circle,rgba(225,55,95,.22),transparent 70%);
  filter:blur(34px);pointer-events:none;
}
.factilo-card h3{font-size:clamp(30px,4vw,42px);margin-bottom:10px}
.factilo-card .pitch{font-size:19px;color:#dce6f0;font-weight:500;margin-bottom:26px;text-wrap:pretty}
.checks{display:flex;flex-direction:column;gap:13px;margin-bottom:32px}
.check{display:flex;align-items:flex-start;gap:13px;font-size:15.5px;color:#d5e0ec}
.check b{
  flex:none;width:26px;height:26px;border-radius:8px;margin-top:1px;
  background:rgba(59,169,255,.15);color:var(--blue);
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.deadline{
  display:inline-flex;align-items:center;gap:9px;
  padding:8px 14px;border-radius:10px;margin-bottom:22px;
  background:rgba(225,55,95,.1);border:1px solid rgba(225,55,95,.3);
  font-family:'JetBrains Mono',monospace;font-size:12.5px;color:#ff9ab4;
}

/* facture mockup */
.invoice{
  position:relative;border-radius:18px;border:1px solid rgba(255,255,255,.1);
  background:rgba(6,13,26,.72);backdrop-filter:blur(10px);
  padding:26px;box-shadow:0 22px 55px rgba(0,0,0,.45);
}
.invoice-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:20px}
.invoice-head strong{font-family:'Space Grotesk',sans-serif;font-size:15.5px}
.tag{
  font-size:11.5px;font-weight:600;padding:4px 11px;border-radius:999px;
  background:rgba(59,169,255,.14);color:#7cc8ff;
}
.inv-row{display:flex;justify-content:space-between;font-size:14px;color:var(--txt-2);padding:5px 0}
.inv-row span:last-child{color:var(--txt);font-weight:600}
.inv-sep{height:1px;background:rgba(255,255,255,.08);margin:9px 0}
.inv-total{display:flex;justify-content:space-between;align-items:baseline;font-size:15px}
.inv-total strong{
  font-family:'Space Grotesk',sans-serif;font-size:22px;
  background:linear-gradient(120deg,var(--blue),#7e5bd8);
  -webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;
}
.inv-note{margin-top:14px;font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--txt-3)}
.inv-badge{
  position:absolute;top:-13px;right:22px;
  padding:5px 13px;border-radius:999px;font-size:11px;font-weight:600;
  background:linear-gradient(135deg,var(--red),#7e5bd8);color:#fff;
  box-shadow:0 8px 20px rgba(225,55,95,.35);
}

/* ---------- Apps gratuites ---------- */
.apps-grid{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.app-card{
  display:flex;flex-direction:column;
  border-radius:var(--r-lg);border:1px solid var(--line);
  background:var(--panel);padding:34px;
  transition:transform .2s ease,border-color .2s ease,background .2s ease;
}
.app-card:hover{transform:translateY(-4px);border-color:rgba(59,169,255,.4);background:rgba(255,255,255,.05)}
.app-card .icon{
  width:48px;height:48px;border-radius:13px;margin-bottom:20px;
  display:grid;place-items:center;font-size:22px;
  background:rgba(59,169,255,.12);border:1px solid rgba(59,169,255,.22);
}
.app-card h3{font-size:22px;margin-bottom:4px;color:var(--txt)}
.app-card .kind{font-family:'JetBrains Mono',monospace;font-size:11.5px;color:var(--txt-3);letter-spacing:.1em;text-transform:uppercase;margin-bottom:14px}
.app-card p{font-size:15px;color:var(--txt-2);flex:1;margin-bottom:22px}
.app-card .link{font-weight:600;font-size:14.5px}
.app-card .link::after{content:" →";transition:margin .15s}
.app-card:hover .link::after{margin-left:4px}
.free-pill{
  display:inline-block;margin-left:10px;padding:2px 10px;border-radius:999px;
  font-size:11px;font-weight:600;vertical-align:3px;
  background:rgba(80,200,120,.13);color:#6fd694;border:1px solid rgba(80,200,120,.3);
}

/* ---------- Studio ---------- */
.studio{display:grid;grid-template-columns:.85fr 1.15fr;gap:54px;align-items:center}
.studio-visual{
  position:relative;aspect-ratio:1/1;border-radius:24px;overflow:hidden;
  border:1px solid var(--line);
  background:linear-gradient(160deg,#0b1930,#0d2138);
  display:grid;place-items:center;
}
.studio-visual::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(circle at 50% 42%,rgba(59,169,255,.22),transparent 60%);
}
.studio-visual img{position:relative;width:44%;filter:drop-shadow(0 0 26px rgba(59,169,255,.45))}
.studio h2{font-size:clamp(28px,4vw,40px);margin-bottom:18px;text-wrap:balance}
.studio p{color:var(--txt-2);font-size:16.5px;max-width:560px}
.studio p + p{margin-top:14px}
.pillars{display:flex;gap:38px;margin-top:36px;flex-wrap:wrap}
.pillar strong{
  display:block;font-family:'Space Grotesk',sans-serif;font-size:19px;font-weight:700;color:var(--txt);
}
.pillar span{font-size:13.5px;color:var(--txt-3)}

/* ---------- CTA final ---------- */
.final{
  text-align:center;padding:clamp(88px,11vw,128px) 28px clamp(96px,12vw,140px);
}
.final h2{font-size:clamp(28px,4.4vw,42px);margin-bottom:16px;text-wrap:balance}
.final p{color:var(--txt-2);font-size:17px;max-width:540px;margin:0 auto 34px}

/* ---------- Footer ---------- */
footer{border-top:1px solid rgba(255,255,255,.07);background:rgba(6,13,26,.5);padding:52px 0 36px}
.foot-grid{display:flex;justify-content:space-between;gap:36px;flex-wrap:wrap;margin-bottom:38px}
.foot-brand{max-width:320px}
.foot-brand .brand{margin-bottom:14px}
.foot-brand p{font-size:14px;color:var(--txt-3)}
.foot-col h4{
  font-family:'JetBrains Mono',monospace;font-size:11px;font-weight:500;
  letter-spacing:.14em;text-transform:uppercase;color:var(--txt-3);margin-bottom:14px;
}
.foot-col a,.foot-col span{display:block;font-size:14px;color:var(--txt-2);margin-bottom:9px}
.foot-col a:hover{color:var(--txt)}
.foot-legal{
  border-top:1px solid rgba(255,255,255,.06);padding-top:22px;
  font-size:13px;color:var(--txt-3);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
}

/* ---------- Bouton remonter ---------- */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:40;
  width:46px;height:46px;border-radius:50%;
  border:1px solid var(--line);
  background:rgba(6,13,26,.8);backdrop-filter:blur(8px);
  color:var(--txt-2);cursor:pointer;
  display:grid;place-items:center;
  opacity:0;pointer-events:none;transform:translateY(10px);
  transition:opacity .25s ease,transform .25s ease,color .15s,border-color .15s;
}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{color:var(--txt);border-color:rgba(59,169,255,.5)}

/* ---------- Pages légales ---------- */
.back-link{color:var(--txt-2);font-size:14.5px;font-weight:500;transition:color .15s}
.back-link:hover{color:var(--txt)}
.legal{max-width:760px;margin:0 auto;padding:64px 28px 80px}
.legal h1{font-size:clamp(30px,5vw,42px);margin-bottom:10px}
.legal .updated{font-family:'JetBrains Mono',monospace;font-size:12px;color:var(--txt-3);margin-bottom:42px}
.legal h2{font-size:21px;margin:38px 0 12px}
.legal p,.legal li{color:var(--txt-2);font-size:15.5px}
.legal p + p{margin-top:10px}
.legal ul{padding-left:22px;margin:10px 0}
.legal li{margin-bottom:6px}
.legal mark{
  background:rgba(225,55,95,.14);color:#ff9ab4;
  padding:1px 7px;border-radius:6px;
  font-family:'JetBrains Mono',monospace;font-size:.88em;
}

/* ---------- Responsive ---------- */
@media(max-width:900px){
  .factilo-card{grid-template-columns:1fr;padding:36px 28px}
  .studio{grid-template-columns:1fr}
  .studio-visual{max-width:380px;margin:0 auto}
}
@media(max-width:680px){
  .apps-grid{grid-template-columns:1fr}
  .hero{padding-top:70px}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* ---------- Mode clair ---------- */
:root{color-scheme:dark}
[data-theme="light"]{
  color-scheme:light;
  --bg:#f3f6fb;
  --bg-2:#e8eef7;
  --panel:rgba(16,50,100,.045);
  --line:rgba(16,60,120,.15);
  --txt:#14263e;
  --txt-2:#3f5570;
  --txt-3:#5c7186;
  --blue:#0f6fd6;
  --blue-deep:#0b5cb4;
}
[data-theme="light"] .sky{
  background:
    radial-gradient(1100px 560px at 82% -6%, rgba(15,111,214,.10), transparent 62%),
    radial-gradient(800px 460px at 8% 108%, rgba(225,55,95,.05), transparent 55%),
    var(--bg);
}
[data-theme="light"] header{background:rgba(243,246,251,.78);border-bottom-color:rgba(16,60,120,.1)}
[data-theme="light"] .hero .badge{background:rgba(15,111,214,.07);border-color:rgba(15,111,214,.3);color:#0b5cb4}
[data-theme="light"] .hero h1 em{
  background:linear-gradient(115deg,#c9204a 0%,#5d3fb0 45%,#0f6fd6 90%);
  -webkit-background-clip:text;background-clip:text;
}
[data-theme="light"] .btn-ghost:hover{background:rgba(16,60,120,.06)}
[data-theme="light"] .constellation g{stroke:rgba(15,90,170,.3)}
[data-theme="light"] .constellation text{fill:#51677f}
[data-theme="light"] .constellation text.t-main{fill:#14263e}
[data-theme="light"] .factilo-card .pitch{color:#2a3c52}
[data-theme="light"] .factilo-card::after{background:radial-gradient(circle,rgba(225,55,95,.12),transparent 70%)}
[data-theme="light"] .check{color:#3f5570}
[data-theme="light"] .deadline{background:rgba(225,55,95,.08);color:#ad1a41}
[data-theme="light"] .invoice{background:rgba(255,255,255,.9);border-color:rgba(16,60,120,.14);box-shadow:0 22px 55px rgba(30,60,110,.16)}
[data-theme="light"] .inv-sep{background:rgba(16,60,120,.12)}
[data-theme="light"] .tag{background:rgba(15,111,214,.1);color:#0b5cb4}
[data-theme="light"] .app-card:hover{background:rgba(16,60,120,.055)}
[data-theme="light"] .free-pill{background:rgba(22,140,75,.1);color:#187a45;border-color:rgba(22,140,75,.3)}
[data-theme="light"] .studio-visual{background:linear-gradient(160deg,#dde8f5,#eaf1f9)}
[data-theme="light"] .studio-visual::before{background:radial-gradient(circle at 50% 42%,rgba(59,169,255,.18),transparent 60%)}
[data-theme="light"] footer{background:rgba(243,246,251,.6);border-top-color:rgba(16,60,120,.1)}
[data-theme="light"] .foot-legal{border-top-color:rgba(16,60,120,.08)}
[data-theme="light"] .to-top{background:rgba(243,246,251,.85)}
[data-theme="light"] .legal mark{background:rgba(225,55,95,.1);color:#a2183d}
@media(max-width:720px){
  [data-theme="light"] .nav-links{background:rgba(243,246,251,.97)}
}