@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Sora:wght@600;700;800&display=swap');

:root{
  /* Palette logo */
  --bg: #0F1623;
  --bg2:#0B1220;
  --text: #EDEFF3;
  --muted: rgba(237,239,243,.70);

  --primary: #0C294A;
  --primary2:#4D6C8B;

  --line: rgba(237,239,243,.10);
  --card: rgba(255,255,255,.04);

  --shadow: 0 10px 30px rgba(0,0,0,.30);

  --radius: 14px;
  --radius2: 18px;
  --max: 1180px;

  /* 2 polices uniquement */
  --font-body: "Inter", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  --font-head: "Sora", system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family: var(--font-body);
  color:var(--text);
  background: linear-gradient(180deg, var(--bg2), var(--bg));
  overflow-x:hidden;
}

a{color:inherit; text-decoration:none}
.container{width: min(var(--max), calc(100% - 40px)); margin:0 auto}

/* NAV */
.nav{
  position:sticky; top:0; z-index:50;
  background: rgba(11,18,32,.78);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.nav-inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
  gap:14px;
}
.brand{display:flex; align-items:center; gap:12px; min-width: 260px}
.brand img{width:38px; height:38px; object-fit:contain}
.brand .name{display:flex; flex-direction:column; line-height:1.05}
.brand .name strong{
  font-family: var(--font-head);
  font-weight:800;
  letter-spacing:.2px;
}
.brand .name span{font-size:12px; color:var(--muted)}

.links{display:flex; gap:8px; align-items:center}
.links a{
  font-size:14px;
  color: var(--muted);
  padding:10px 12px;
  border-radius: 12px;
  border: 1px solid transparent;
  transition: .15s ease;
}
.links a:hover{
  color: var(--text);
  border-color: var(--line);
  background: rgba(255,255,255,.03);
}
.links a.active{
  color: var(--text);
  border-color: rgba(77,108,139,.35);
  background: rgba(12,41,74,.18);
}

.cta{display:flex; gap:10px; align-items:center}

/* Buttons */
.btn{
  border:1px solid var(--line);
  padding:10px 14px;
  border-radius: 12px;
  font-weight:700;
  font-size:14px;
  background: rgba(255,255,255,.04);
  color:var(--text);
  transition: .15s ease;
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  cursor:pointer;
  user-select:none;
}
.btn:hover{background: rgba(255,255,255,.06)}
.btn.primary{
  border-color: rgba(77,108,139,.45);
  background: linear-gradient(135deg, rgba(12,41,74,.85), rgba(12,41,74,.55));
}
.btn.ghost{background: transparent}

/* Mobile */
.burger{display:none}
.mobile{
  display:none;
  border-top:1px solid var(--line);
  padding: 10px 0 14px;
}
.mobile a{
  display:block;
  padding:12px 10px;
  border-radius: 12px;
  color:var(--muted);
}
.mobile a:hover{background: rgba(255,255,255,.04); color: var(--text)}
.mobile.open{display:block}

@media (max-width: 920px){
  .links{display:none}
  .burger{display:inline-flex}
  .brand{min-width:auto}
}

/* TYPO */
section{padding: 52px 0}
h1,h2,h3,h4{
  font-family: var(--font-head);
  letter-spacing: -0.3px;
}
h1{
  font-size: clamp(34px, 4.1vw, 54px);
  line-height: 1.06;
  margin: 14px 0 12px;
}
h2{margin:0; font-size: clamp(24px, 2.6vw, 34px)}
.lead{color:var(--muted); font-size:16px; line-height:1.7; max-width: 72ch}

.section-title{
  display:flex; align-items:flex-end; justify-content:space-between; gap:14px;
  margin-bottom: 18px;
}
.section-title p{margin:0; color:var(--muted); max-width: 72ch; line-height:1.6}

/* Badge */
.badge{
  display:inline-flex; gap:10px; align-items:center;
  border:1px solid var(--line);
  background: rgba(255,255,255,.03);
  padding:8px 12px;
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
}
.dot{width:8px; height:8px; border-radius:999px; background: var(--primary2)}

/* Layout */
.hero-grid{
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 24px;
  align-items: start;
  margin-top: 18px;
}
@media (max-width: 980px){ .hero-grid{grid-template-columns: 1fr; gap: 18px} }

.sep{height:1px; background: var(--line); margin: 18px 0}

/* Cards */
.panel, .card, .case, .form{
  border:1px solid var(--line);
  background: var(--card);
  border-radius: var(--radius2);
}
.panel{box-shadow: var(--shadow); overflow:hidden}
.panel .head{
  padding: 16px 16px 0;
  display:flex; align-items:center; justify-content:space-between;
  gap: 10px;
}
.panel .head .tag{
  font-size: 12px; color: var(--muted);
  border:1px solid var(--line);
  padding: 6px 10px; border-radius: 999px;
  background: rgba(255,255,255,.03);
}
.panel .body{padding: 12px 16px 16px}
.panel p{margin:0; color: var(--muted); line-height:1.65}

.grid-3{display:grid; grid-template-columns: repeat(3, 1fr); gap: 12px}
@media (max-width: 980px){ .grid-3{grid-template-columns: 1fr} }

.card{padding: 16px; min-height: 150px}
.card h3{margin: 10px 0 8px}
.card p{margin: 0; color: var(--muted); line-height: 1.65}

.grid-2{display:grid; grid-template-columns: 1fr 1fr; gap: 12px}
@media (max-width: 980px){ .grid-2{grid-template-columns: 1fr} }

.case{padding: 16px}
.pill{
  display:inline-flex;
  font-size: 12px;
  padding: 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: rgba(255,255,255,.03);
  color: var(--muted);
  margin-right: 8px;
  margin-top: 8px;
}

/* Icons */
.icon{
  width:40px; height:40px;
  border-radius: 12px;
  background: rgba(12,41,74,.22);
  border: 1px solid rgba(77,108,139,.28);
  display:grid; place-items:center;
}
.icon svg{width:18px; height:18px; opacity:.95}

/* Contact */
.contact{display:grid; grid-template-columns: 1fr 1fr; gap: 12px; align-items: stretch}
@media (max-width: 980px){ .contact{grid-template-columns: 1fr} }

.form{padding: 16px; background: rgba(255,255,255,.03)}
label{display:block; font-size: 13px; color: var(--muted); margin: 10px 0 6px}
input, textarea{
  width: 100%;
  padding: 12px 12px;
  border-radius: 12px;
  border: 1px solid var(--line);
  outline: none;
  background: rgba(255,255,255,.02);
  color: var(--text);
  font-size: 14px;
  font-family: var(--font-body);
}
textarea{min-height: 120px; resize: vertical}
input:focus, textarea:focus{
  border-color: rgba(77,108,139,.40);
  box-shadow: 0 0 0 4px rgba(77,108,139,.12);
}
.note{font-size: 12px; color: var(--muted); margin-top: 10px; line-height:1.5}

/* Footer */
footer{
  padding: 26px 0 34px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}
.footer{
  display:flex; align-items:center; justify-content:space-between;
  gap: 14px; flex-wrap:wrap;
}

/* ===== Intro animation (logo split + center text) ===== */
.intro{
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: linear-gradient(180deg, var(--bg2), var(--bg));
  display: grid;
  place-items: center;
  transition: opacity .4s ease;
}

.intro.hide{
  opacity: 0;
  pointer-events: none;
}

.intro-inner{
  display: grid;
  place-items: center;
}

.intro-logo{
  position: relative;
  width: 450px;
  height: 450px;
}

/* Logo halves */
.intro-logo .half{
  position: absolute;
  inset: 0;
  overflow: hidden;
  filter: drop-shadow(0 14px 32px rgba(0,0,0,.35));
}

.intro-logo img{
  width: 450px;
  height: 450px;
  object-fit: contain;
  display: block;
}

.intro-logo .left{ clip-path: inset(0 50% 0 0); }
.intro-logo .right{ clip-path: inset(0 0 0 50%); }

/* Animations */
.intro-logo .left{
  animation: introIn .35s ease both, splitLeft .7s ease .6s both;
}
.intro-logo .right{
  animation: introIn .35s ease both, splitRight .7s ease .6s both;
}

/* Texte central */
.intro-center-text{
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  font-family: var(--font-head);
  font-weight: 900;
  letter-spacing: 1.2px;
  font-size: 18px;
  line-height: 1.2;
  color: rgba(237,239,243,.95);
  text-transform: uppercase;
  opacity: 0;
  animation: centerText .45s ease .85s forwards;
  pointer-events: none;
}

/* Keyframes */
@keyframes introIn{
  from{ transform: scale(.95); opacity: 0; }
  to{ transform: scale(1); opacity: 1; }
}

@keyframes splitLeft{
  from{ transform: translateX(0); opacity: 1; }
  to{ transform: translateX(-70px); opacity: .15; }
}

@keyframes splitRight{
  from{ transform: translateX(0); opacity: 1; }
  to{ transform: translateX(70px); opacity: .15; }
}

@keyframes centerText{
  from{ opacity: 0; transform: scale(.96); }
  to{ opacity: 1; transform: scale(1); }
}

/* Accessibilité */
@media (prefers-reduced-motion: reduce){
  .intro-logo .left,
  .intro-logo .right,
  .intro-center-text{
    animation: none !important;
    opacity: 1;
    transform: none;
  }
}