:root{
  --primary: #2563eb;
  --primary-dark: #1e3a8a;
  --primary-light: #60a5fa;
  --ink: #0f172a;
  --ink-soft: #475569;
  --bg: #ffffff;
  --bg-alt: #f4f7fd;
  --border: #e2e8f0;
  --radius: 16px;
  --shadow: 0 10px 30px -12px rgba(15,23,42,.12);
  --shadow-lg: 0 24px 60px -20px rgba(30,58,138,.25);
  font-size: 16px;
}

*{ box-sizing: border-box; }
html{ scroll-behavior: smooth; }
body{
  margin:0;
  font-family:'Inter', system-ui, -apple-system, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height:1.6;
}
img{ max-width:100%; display:block; }
a{ color: inherit; text-decoration:none; }
ul{ list-style:none; margin:0; padding:0; }

.container{
  width:100%;
  max-width: 1160px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */
.site-header{
  position: sticky; top:0; z-index: 100;
  background: rgba(255,255,255,.85);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
}
.header-inner{
  display:flex; align-items:center; justify-content:space-between;
  height: 72px;
}
.logo{ display:flex; align-items:center; gap:10px; font-weight:700; font-size:1.05rem; }
.logo-mark{
  height:38px; width:auto; object-fit:contain; display:block;
}
.logo-mark.small{ height:26px; margin-right:8px; vertical-align:middle; display:inline-block; }
.logo-text em{ color: var(--primary); font-style:normal; }

.main-nav{ display:flex; align-items:center; gap:28px; }
.main-nav a{ font-weight:500; color: var(--ink-soft); font-size:.95rem; transition:color .2s; }
.main-nav a:hover{ color: var(--primary); }
.nav-cta{
  background: var(--primary); color:#fff !important;
  padding:10px 18px; border-radius:999px;
}
.nav-cta:hover{ background: var(--primary-dark); color:#fff !important; }

.nav-toggle{
  display:none; flex-direction:column; justify-content:center; gap:5px;
  width:40px; height:40px; background:none; border:none; cursor:pointer;
}
.nav-toggle span{ width:22px; height:2px; background: var(--ink); border-radius:2px; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 13px 26px; border-radius:999px; font-weight:600; font-size:.95rem;
  border: 1px solid transparent; cursor:pointer; transition: all .2s ease;
}
.btn-primary{ background: var(--primary); color:#fff; box-shadow: var(--shadow); }
.btn-primary:hover{ background: var(--primary-dark); transform: translateY(-1px); }
.btn-ghost{ background:#fff; color: var(--ink); border-color: var(--border); }
.btn-ghost:hover{ border-color: var(--primary); color: var(--primary); }
.btn-block{ width:100%; }

/* ---------- Hero ---------- */
.hero{ position:relative; padding: 120px 0 90px; overflow:hidden; }
.hero-bg{
  position:absolute; inset:0; z-index:-1;
  background:
    radial-gradient(650px 400px at 85% -10%, rgba(96,165,250,.35), transparent 60%),
    radial-gradient(500px 350px at 10% 10%, rgba(37,99,235,.15), transparent 60%),
    var(--bg-alt);
}
.hero-inner{ max-width: 780px; }
.eyebrow{
  color: var(--primary-dark); font-weight:600; letter-spacing:.02em;
  font-size:.9rem; margin:0 0 16px;
}
.hero h1{
  font-size: clamp(2.2rem, 4.5vw, 3.4rem);
  line-height:1.12; margin:0 0 22px; font-weight:800; letter-spacing:-.02em;
}
.grad-text{
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.hero-lead{ font-size:1.1rem; color: var(--ink-soft); max-width:620px; margin:0 0 34px; }
.hero-actions{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom: 40px; }
.hero-tags{ display:flex; gap:10px; flex-wrap:wrap; }
.hero-tags li{
  background:#fff; border:1px solid var(--border); color: var(--ink-soft);
  font-size:.82rem; font-weight:600; padding:7px 14px; border-radius:999px;
}

/* ---------- Sections ---------- */
.section{ padding: 96px 0; }
.section-alt{ background: var(--bg-alt); }
.section-eyebrow{
  color: var(--primary); font-weight:700; text-transform:uppercase;
  letter-spacing:.08em; font-size:.78rem; margin:0 0 12px;
}
.section h2{ font-size: clamp(1.7rem, 3vw, 2.3rem); margin:0 0 14px; letter-spacing:-.01em; }
.section-lead{ color: var(--ink-soft); max-width: 640px; font-size:1.05rem; margin: 0 0 48px; }

.grid{ display:grid; gap: 22px; }
.services-grid{ grid-template-columns: repeat(3, 1fr); }

.card{
  background:#fff; border:1px solid var(--border); border-radius: var(--radius);
  padding: 28px; transition: box-shadow .2s, transform .2s;
}
.card:hover{ box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.card-icon{ font-size:1.7rem; margin-bottom:14px; }
.card h3{ font-size:1.08rem; margin:0 0 10px; }
.card p{ color: var(--ink-soft); font-size:.95rem; margin:0; }
.card-link{ display:block; cursor:pointer; }
.card-link:hover{ border-color: var(--primary); }
.card-cta{
  display:block; margin-top:14px; font-size:.85rem; font-weight:700;
  color: var(--primary);
}

/* ---------- Produit ---------- */
.produit-inner{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items:center; }
.feature-list{ margin: 26px 0 34px; display:flex; flex-direction:column; gap:14px; }
.feature-list li{ padding-left:26px; position:relative; color: var(--ink-soft); }
.feature-list li::before{
  content:"✓"; position:absolute; left:0; top:0;
  color: var(--primary); font-weight:800;
}
.feature-list strong{ color: var(--ink); }

.mock-window{
  background:#fff; border-radius:18px; border:1px solid var(--border);
  box-shadow: var(--shadow-lg); overflow:hidden;
}
.mock-bar{ display:flex; gap:6px; padding:14px 16px; background: var(--bg-alt); border-bottom:1px solid var(--border); }
.mock-bar span{ width:10px; height:10px; border-radius:50%; background: var(--border); }
.mock-body{ padding: 22px; }
.mock-row{ display:flex; gap:10px; margin-bottom:18px; }
.mock-pill{ height:14px; border-radius:8px; background: var(--bg-alt); }
.mock-pill.w60{ width:60%; background: linear-gradient(90deg, var(--primary-light), var(--primary)); }
.mock-pill.w20{ width:20%; }
.mock-grid{ display:grid; grid-template-columns: repeat(4,1fr); gap:10px; }
.mock-block{ height:44px; border-radius:8px; background: var(--bg-alt); }
.mock-block.tall{ grid-column: span 1; height: 100px; background: linear-gradient(160deg, var(--primary-light), var(--primary)); opacity:.85; }
.mock-block:nth-child(3n){ background: #dbeafe; }

/* ---------- Pricing ---------- */
.pricing-grid{ display:grid; grid-template-columns: 1.3fr 1fr; gap: 26px; align-items:start; }
.price-card{
  background:#fff; border:1px solid var(--border); border-radius: var(--radius); padding: 30px;
}
.price-card-main{
  border-color: var(--primary);
  box-shadow: var(--shadow-lg);
}
.price-card-head h3{ margin:0 0 6px; font-size:1.3rem; }
.price-card-head p{ color: var(--ink-soft); margin:0 0 26px; font-size:.95rem; }
.price-toggle{ display:flex; align-items:center; gap:18px; flex-wrap:wrap; margin-bottom: 26px; padding-bottom:26px; border-bottom:1px solid var(--border); }
.price-line{ display:flex; flex-direction:column; gap:8px; }
.price-amount{ font-size:2.1rem; font-weight:800; color: var(--ink); }
.price-amount span{ font-size:1rem; font-weight:500; color: var(--ink-soft); }
.price-amount-sm{ font-size:1.3rem; }
.price-tag{
  align-self:flex-start; font-size:.75rem; font-weight:700; padding:4px 10px; border-radius:999px;
  background: var(--bg-alt); color: var(--ink-soft);
}
.price-tag-save{ background:#dcfce7; color:#166534; }
.price-tag-soon{ background:#fef3c7; color:#92400e; }
.price-or{ color: var(--ink-soft); font-weight:600; font-size:.9rem; }
.price-features{ display:flex; flex-direction:column; gap:12px; margin-bottom: 28px; }
.price-features li{ padding-left:24px; position:relative; color: var(--ink-soft); font-size:.95rem; }
.price-features li::before{ content:"✓"; position:absolute; left:0; color: var(--primary); font-weight:800; }

.options-stack{ display:flex; flex-direction:column; gap:18px; }
.price-card-option{ padding: 22px 24px; }
.option-head{ display:flex; align-items:center; justify-content:space-between; gap:12px; margin-bottom:8px; }
.option-head h4{ margin:0; font-size:1rem; }
.price-card-option p{ margin:0; color: var(--ink-soft); font-size:.9rem; }

.price-note{ margin-top:28px; color: var(--ink-soft); font-size:.85rem; text-align:center; }

/* ---------- About ---------- */
.about-inner{ display:grid; grid-template-columns: 220px 1fr; gap: 50px; align-items:start; }
.about-photo{
  width:220px; height:220px; border-radius: 24px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color:#fff; font-size:3rem; font-weight:800;
  display:flex; align-items:center; justify-content:center;
  box-shadow: var(--shadow-lg);
}
.about-text p{ color: var(--ink-soft); font-size:1rem; margin: 0 0 18px; }
.tag-list{ display:flex; flex-wrap:wrap; gap:10px; margin-top: 22px; }
.tag-list li{
  background:#fff; border:1px solid var(--border); padding:7px 14px; border-radius:999px;
  font-size:.82rem; font-weight:600; color: var(--primary-dark);
}

/* ---------- Contact ---------- */
.contact-inner{ display:grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items:start; }
.contact-details{ margin-top: 24px; }
.contact-item{ display:inline-flex; align-items:center; gap:10px; font-weight:600; color: var(--primary-dark); }
.contact-icon{ font-size:1.1rem; }
.contact-form{
  background:#fff; border:1px solid var(--border); border-radius: var(--radius);
  padding: 30px; display:flex; flex-direction:column; gap:16px; box-shadow: var(--shadow);
}
.contact-form label{ display:flex; flex-direction:column; gap:8px; font-size:.9rem; font-weight:600; color: var(--ink-soft); }
.contact-form input, .contact-form textarea{
  font-family: inherit; font-size:.95rem; padding: 12px 14px;
  border: 1px solid var(--border); border-radius: 10px; color: var(--ink); resize: vertical;
}
.contact-form input:focus, .contact-form textarea:focus{ outline:none; border-color: var(--primary); }
.form-hint{ font-size:.85rem; color: var(--primary-dark); min-height: 1.2em; margin:0; }

/* ---------- Footer ---------- */
.site-footer{ background: var(--ink); color:#cbd5e1; padding: 46px 0; }
.footer-inner{ text-align:center; display:flex; flex-direction:column; gap:8px; align-items:center; }
.footer-inner div{ display:flex; align-items:center; font-weight:700; color:#fff; margin-bottom:6px; }
.footer-inner p{ margin:0; font-size:.82rem; color:#94a3b8; }

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .services-grid{ grid-template-columns: repeat(2,1fr); }
  .produit-inner, .contact-inner{ grid-template-columns:1fr; }
  .produit-visual{ order:-1; }
  .about-inner{ grid-template-columns:1fr; }
  .about-photo{ width:120px; height:120px; font-size:1.8rem; border-radius:18px; }
  .pricing-grid{ grid-template-columns:1fr; }
}
@media (max-width: 720px){
  .main-nav{
    position:fixed; top:72px; left:0; right:0; bottom:0;
    background:#fff; flex-direction:column; align-items:flex-start; gap:0;
    padding: 10px 24px 30px; transform: translateX(100%); transition: transform .25s ease;
    overflow-y:auto;
  }
  .main-nav.open{ transform: translateX(0); }
  .main-nav a{ width:100%; padding: 16px 0; border-bottom:1px solid var(--border); }
  .nav-cta{ margin-top:14px; text-align:center; }
  .nav-toggle{ display:flex; }
  .services-grid{ grid-template-columns: 1fr; }
  .hero{ padding: 90px 0 60px; }
  .section{ padding: 64px 0; }
}