/* =========================
   ImmersiHome — Apple style (optimisé)
   ========================= */

/* ----- Variables ----- */
:root{
  --bg: #fbfdff;
  --text: #0b1220;
  --muted: #6b7280;
  --accent: #0ea5e9;
  --black: #0b1220;
  --card: #ffffff;
  --glass: rgba(255,255,255,0.6);
  --shadow: 0 10px 30px rgba(2,6,23,0.06);
  --dark-text: #e6f6ff;
  --dark-bg: #0b1220;
}

/* ----- Reset & Base ----- */
*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%}
body{
  font-family: 'Inter', system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: linear-gradient(180deg, var(--bg) 0%, #f3f7fb 100%);
  color:var(--text);
  line-height:1.5;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
.container{max-width:1180px;margin:0 auto;padding:28px}
a{color:inherit;text-decoration:none}

/* ----- HEADER ----- */
.site-header{
  position:sticky;top:0;z-index:60;
  backdrop-filter: blur(6px);
  background: rgba(255,255,255,0.7);
  border-bottom:1px solid rgba(15,23,36,0.04);
}
.header-inner{display:flex;align-items:center;gap:16px;justify-content:space-between;max-width:1180px;margin:0 auto;padding:14px 28px}
.brand{display:flex;align-items:center;gap:12px}
.logo{width:46px;height:46px;object-fit:contain;border-radius:8px}
.brand-name{font-weight:700;font-size:18px;color:var(--text)}
.nav ul{list-style:none;display:flex;gap:18px;align-items:center}
.nav a{color:var(--text);padding:8px 10px;border-radius:8px;transition:0.2s}
.nav a:hover{background:#f1f5f9}
.header-actions{display:flex;align-items:center;gap:12px}
.btn-ghost{background:transparent;border:1px solid rgba(15,23,36,0.06);padding:8px 12px;border-radius:10px}

/* burger */
.burger{display:none;background:none;border:0;cursor:pointer}
.burger span{display:block;width:22px;height:2px;background:var(--text);margin:4px 0;transition:0.2s}

/* ----- HERO ----- */
.apple-hero{padding:110px 0 60px}
.hero-inner-apple{display:grid;grid-template-columns:1fr 540px;gap:64px;align-items:center}
.apple-title{font-size:48px;line-height:1.02;font-weight:800;color:var(--black);margin-bottom:18px}
.apple-title .accent{color:var(--accent)}
.apple-sub{font-size:18px;color:var(--muted);max-width:560px;margin-bottom:28px}
.hero-ctas-apple{display:flex;gap:14px}

/* ----- Buttons ----- */
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:12px 18px;border-radius:999px;font-weight:700;cursor:pointer;
  transition: transform 0.2s, box-shadow 0.2s;
}
.btn.apple-primary, .btn.primary{background:var(--black);color:#fff;border:0}
.btn.apple-primary:hover, .btn.primary:hover{transform:translateY(-3px);box-shadow:0 10px 20px rgba(0,0,0,0.12);}
.btn.apple-secondary, .btn.outline{background:transparent;border:1px solid rgba(15,23,36,0.06);color:var(--black)}
.btn.apple-secondary:hover, .btn.outline:hover{transform:translateY(-2px);box-shadow:0 6px 16px rgba(0,0,0,0.08);}

.trust{display:flex;gap:20px;color:var(--muted);margin-top:18px;list-style:none}

/* hero media */
.hero-media-apple{display:flex;flex-direction:column;gap:26px}
.apple-main-image img{width:100%;height:380px;object-fit:cover;border-radius:18px;box-shadow:0 30px 70px rgba(2,6,23,0.06)}
.apple-media-row{display:flex;gap:18px;align-items:center}
.apple-mini{display:flex;flex-direction:column;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.apple-mini img{width:76px;height:76px;object-fit:cover;border-radius:12px;box-shadow:0 12px 30px rgba(2,6,23,0.06)}
.apple-video-wrapper{flex:1}
.apple-video{width:100%;height:110px;border-radius:12px;object-fit:cover;box-shadow:0 18px 40px rgba(2,6,23,0.06)}

/* ----- SECTIONS ----- */
.section{padding:64px 0}
.section h2{font-size:28px;margin-bottom:12px}
.section .lead{color:var(--muted);margin-bottom:20px}

/* grid helpers */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
@media (max-width:980px){ .hero-inner-apple{grid-template-columns:1fr} .grid-3{grid-template-columns:repeat(2,1fr)} .grid-2{grid-template-columns:1fr} }

/* features */
.feature{background:var(--card);padding:20px;border-radius:12px;box-shadow:var(--shadow)}
.feature h3{margin-bottom:8px}

/* dark section */
.section.dark{background:linear-gradient(180deg,var(--dark-bg) 0%, #08101a 100%);color:var(--dark-text);border-radius:12px;padding:48px}
.section.dark .lead{color:rgba(255,255,255,0.8)}

/* FAQ & Story */
.section.dark details,
.section.dark details summary,
.section.dark details p,
.section.dark .story,
.section.dark .story h3,
.section.dark .story p {
  color: var(--dark-text);
}
.section.dark details {
  background: rgba(255,255,255,0.05);
  padding:4px 8px;
  border-radius:8px;
  margin-bottom:10px;
}
.section.dark details summary {
  cursor: pointer;
  font-weight:600;
  padding:8px 12px;
  border-radius:8px;
}
.section.dark details p { padding:6px 12px 10px; }

/* pricing */
.pricing-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:18px}
.price-card{background:linear-gradient(180deg,#fff,#fbfdff);padding:22px;border-radius:12px;box-shadow:0 10px 30px rgba(2,6,23,0.05);text-align:center;transition: transform 0.2s}
.price-card.featured{transform:scale(1.02);border:1px solid rgba(14,165,233,0.08)}
.price{font-size:28px;font-weight:800;margin:12px 0;color:var(--text)}
@media (max-width:980px){ .pricing-grid{grid-template-columns:1fr} }

/* testimonials */
.testimonials{
  display:grid;
  grid-template-columns:repeat(auto-fit, minmax(280px, 1fr));
  gap:24px;
  margin-top:20px;
}
.testimonials blockquote{
  background: rgba(14,165,233,0.05);
  border-left: 4px solid var(--accent);
  padding:20px;
  border-radius:12px;
  box-shadow:0 10px 30px rgba(2,6,23,0.06);
  font-style: italic;
  color:#0b1220;
}
.testimonials blockquote cite{
  display:block;
  margin-top:10px;
  font-style: normal;
  font-weight:600;
  color: var(--muted);
}

/* team */
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:12px}
.member{background:var(--card);padding:14px;border-radius:12px;text-align:center}
.member img{width:100%;height:200px;object-fit:cover;border-radius:8px;margin-bottom:10px}
.cv-link{display:inline-block;margin-top:8px;color:var(--accent)}
@media (max-width:980px){ .team-grid{grid-template-columns:repeat(2,1fr)} }
@media (max-width:600px){ .team-grid{grid-template-columns:1fr} }

/* contact */
.contact-form input, .contact-form textarea, .contact-form select{width:100%;padding:12px;border-radius:10px;border:1px solid #e6eef6;margin-bottom:10px}
.form-actions{display:flex;gap:10px}
.contact-card{background:var(--card);padding:14px;border-radius:12px;margin-bottom:14px}
.newsletter input{width:100%;padding:10px;border-radius:8px;border:1px solid #e6eef6;margin-top:8px}

/* footer */
.site-footer{background:#071026;padding:28px;color:#cfe7ff;margin-top:28px;border-radius:8px}
.footer-inner{display:flex;justify-content:space-between;align-items:center;gap:12px}
.f-logo{width:36px}

/* to top */
#toTop{position:fixed;right:18px;bottom:18px;background:var(--accent);color:#fff;border:0;padding:10px 12px;border-radius:10px;display:none;cursor:pointer;z-index:80}

/* modal (video) */
.modal{position:fixed;inset:0;display:none;align-items:center;justify-content:center;z-index:200}
.modal.open{display:flex}
.modal-backdrop{position:absolute;inset:0;background:rgba(3,6,23,0.6)}
.modal-content{position:relative;max-width:980px;width:94%;z-index:210;outline:none;}
.modal-video-wrap{background:transparent;padding:0;border-radius:12px}
.modal-content video{width:100%;height:auto;border-radius:12px;box-shadow:0 40px 120px rgba(2,6,23,0.6)}
.modal-close{position:absolute;right:-10px;top:-10px;background:#fff;border-radius:50%;border:0;padding:8px 10px;box-shadow:0 8px 20px rgba(0,0,0,0.1);cursor:pointer;}

/* focus */
.modal-close:focus,
.btn:focus,
.nav a:focus,
.burger:focus {outline:2px solid var(--accent);outline-offset:2px}

/* responsive */
@media (max-width:720px){
  .nav{display:none}
  .burger{display:block}
  .apple-title{font-size:28px}
  .apple-video{height:90px}
  .apple-main-image img{height:220px}
  .grid-3{grid-template-columns:1fr}
}