:root {
  --bg: #05070a;
  --bg-soft: #080d14;
  --surface: rgba(255, 255, 255, .055);
  --surface-strong: rgba(255, 255, 255, .08);
  --border: rgba(255, 255, 255, .1);
  --text: #f5f8fb;
  --muted: #a9b5c2;
  --muted-2: #778493;
  --cyan: #20d8ef;
  --cyan-soft: #bcf7ff;
  --cyan-dark: #0688aa;
  --success: #46e6a6;
  --max: 1180px;
  --shadow: 0 26px 90px rgba(0, 0, 0, .38);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 100px; }
body {
  min-height: 100vh;
  color: var(--text);
  background:
    radial-gradient(circle at 12% 7%, rgba(32, 216, 239, .10), transparent 30%),
    radial-gradient(circle at 88% 2%, rgba(75, 105, 255, .12), transparent 33%),
    linear-gradient(180deg, var(--bg), #060a11 52%, var(--bg));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
  overflow-x: hidden;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .35;
  background-image:
    linear-gradient(rgba(255,255,255,.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.025) 1px, transparent 1px);
  background-size: 58px 58px;
  mask-image: radial-gradient(circle at center, black, transparent 80%);
}
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; }
.container { width: min(var(--max), calc(100% - 40px)); margin-inline: auto; }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 999; padding: 10px 14px; background: #fff; color: #000; }
.skip-link:focus { left: 8px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid rgba(255,255,255,.07);
  background: rgba(5, 7, 10, .82);
  backdrop-filter: blur(20px);
}
.nav { min-height: 78px; display: flex; align-items: center; gap: 24px; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-size: 1.25rem; font-weight: 900; letter-spacing: -.02em; }
.brand img { width: 52px; height: 52px; object-fit: contain; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-left: auto;
  color: #aeb9c5;
  font-family: "Segoe UI Variable Display", "Aptos Display", Inter, ui-sans-serif, system-ui, sans-serif;
  font-size: .93rem;
  font-weight: 620;
  letter-spacing: -.012em;
  white-space: nowrap;
}
.nav-links a { position: relative; padding: 27px 0 25px; transition: color .2s ease; }
.nav-links a::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 20px;
  left: 0;
  height: 2px;
  border-radius: 2px;
  background: var(--cyan);
  transform: scaleX(0);
  transition: transform .2s ease;
}
.nav-links a:hover, .nav-links a[aria-current="page"] { color: #fff; }
.nav-links a:hover::after, .nav-links a[aria-current="page"]::after { transform: scaleX(1); }
.nav-links a[href="/fonctionnalites"] { order: 1; }
.nav-links a[href="/workflow"] { order: 2; }
.nav-links a[href="#interface"],
.nav-links a[href="/#interface"] { order: 3; }
.nav-links a[href="/laboratoires-dentaires"] { order: 4; }
.nav-links a[href="/autolabtool"] { order: 5; }
.nav-links a[href="/faq"] { order: 6; }
.nav-cta { margin-left: 4px; }
.mobile-menu { display: none; }

.btn {
  display: inline-flex;
  min-height: 48px;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 12px 21px;
  font-weight: 850;
  line-height: 1.2;
  cursor: pointer;
  transition: transform .2s ease, border-color .2s ease, background .2s ease;
}
.btn:hover { transform: translateY(-2px); }
.btn-primary { color: #001018; background: linear-gradient(135deg, var(--cyan), #61efff, var(--cyan-dark)); box-shadow: 0 16px 45px rgba(32,216,239,.2); }
.btn-secondary { border-color: var(--border); background: rgba(255,255,255,.055); }
.btn-secondary:hover { border-color: rgba(32,216,239,.45); }
.actions { display: flex; flex-wrap: wrap; gap: 12px; }

.hero,
.page-hero {
  background:
    radial-gradient(circle at 15% 0%, rgba(32, 216, 239, .075), transparent 34%),
    linear-gradient(115deg, rgba(1, 34, 38, .48), rgba(7, 11, 27, .58));
}
.hero { padding: 86px 0 76px; }
.hero-grid { display: grid; grid-template-columns: 1.04fr .96fr; gap: 56px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 9px; margin-bottom: 22px; padding: 8px 13px; color: var(--cyan-soft); border: 1px solid rgba(32,216,239,.25); border-radius: 999px; background: rgba(32,216,239,.08); font-weight: 800; font-size: .9rem; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--success); box-shadow: 0 0 16px rgba(70,230,166,.65); }
h1, h2 { text-wrap: balance; }
h1 { max-width: 820px; margin-bottom: 23px; font-size: clamp(3rem, 6.6vw, 5.9rem); line-height: .94; letter-spacing: -.075em; }
.page-hero h1 { font-size: clamp(2.8rem, 5.6vw, 5rem); }
.gradient { color: var(--cyan); background: linear-gradient(120deg, #fff 4%, #bfefff 43%, #31dff3 76%); background-clip: text; -webkit-text-fill-color: transparent; }
.lead { max-width: 720px; color: var(--muted); font-size: clamp(1.05rem, 1.7vw, 1.24rem); }
.hero .actions { margin-top: 28px; }
.trust-list { display: flex; flex-wrap: wrap; gap: 12px 20px; margin-top: 26px; color: #d6e0e8; font-size: .94rem; }
.trust-list span::before { content: "✓"; display: inline-grid; width: 19px; height: 19px; margin-right: 7px; place-items: center; color: #00130c; background: var(--success); border-radius: 50%; font-size: .73rem; font-weight: 900; }

.product-card { padding: 13px; border: 1px solid var(--border); border-radius: 32px; background: linear-gradient(145deg, rgba(255,255,255,.11), rgba(255,255,255,.025)); box-shadow: var(--shadow); }
.app-window { overflow: hidden; border: 1px solid rgba(255,255,255,.07); border-radius: 23px; background: #080d14; }
.window-bar { height: 47px; display: flex; align-items: center; justify-content: space-between; padding: 0 17px; border-bottom: 1px solid rgba(255,255,255,.08); background: rgba(255,255,255,.035); color: #d9e2e9; font-size: .88rem; }
.window-dots { display: flex; gap: 7px; }
.window-dots i { width: 10px; height: 10px; border-radius: 50%; background: rgba(255,255,255,.25); }
.dashboard { padding: 23px; }
.dashboard h2 { font-size: 1.35rem; letter-spacing: -.03em; }
.stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; margin: 18px 0; }
.stat { padding: 14px; border: 1px solid rgba(255,255,255,.07); border-radius: 16px; background: rgba(255,255,255,.035); }
.stat strong { display: block; font-size: 1.55rem; }
.stat span { color: var(--muted); font-size: .8rem; }
.case-list { display: grid; gap: 9px; }
.case { display: grid; grid-template-columns: 1fr auto; gap: 10px; align-items: center; padding: 13px; border: 1px solid rgba(255,255,255,.07); border-radius: 16px; background: rgba(255,255,255,.035); }
.case b, .case small { display: block; }
.case small { color: var(--muted); }
.tag { padding: 5px 9px; color: var(--cyan-soft); border-radius: 999px; background: rgba(32,216,239,.12); font-size: .74rem; font-weight: 850; }
.demo-note { margin-top: 12px; color: var(--muted-2); text-align: center; font-size: .78rem; }

section { padding: 78px 0; }
.section-soft { border-block: 1px solid rgba(255,255,255,.055); background: rgba(255,255,255,.018); }
.section-head { max-width: 790px; margin-bottom: 37px; }
.kicker { margin-bottom: 9px; color: var(--cyan); font-size: .78rem; font-weight: 900; letter-spacing: .15em; text-transform: uppercase; }
h2 { margin-bottom: 14px; font-size: clamp(2rem, 4.3vw, 3.65rem); line-height: 1; letter-spacing: -.06em; }
.section-head p, .muted { color: var(--muted); }
.grid-2, .grid-3, .grid-4 { display: grid; gap: 17px; }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { padding: 27px; border: 1px solid var(--border); border-radius: 25px; background: linear-gradient(180deg, var(--surface), rgba(255,255,255,.025)); }
.card h3 { margin: 14px 0 8px; font-size: 1.2rem; line-height: 1.25; }
.card p { color: var(--muted); }
.number { width: 45px; height: 45px; display: grid; place-items: center; color: var(--cyan); border: 1px solid rgba(32,216,239,.2); border-radius: 14px; background: rgba(32,216,239,.09); font-weight: 900; }
.card-link { display: inline-block; margin-top: 15px; color: var(--cyan-soft); font-weight: 800; }
.card-link:hover { color: #fff; }
.feature-list { display: grid; gap: 10px; margin-top: 18px; list-style: none; color: #dce5eb; }
.feature-list li { position: relative; padding-left: 25px; }
.feature-list li::before { content: "✓"; position: absolute; left: 0; color: var(--success); font-weight: 900; }

.interface-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.screenshot-card { overflow: hidden; padding: 0; }
.screenshot-frame { padding: 12px; border-bottom: 1px solid var(--border); background: rgba(255,255,255,.025); }
.screenshot-frame img { width: 100%; height: auto; border: 1px solid rgba(255,255,255,.1); border-radius: 15px; box-shadow: 0 18px 45px rgba(0,0,0,.28); }
.screenshot-caption { padding: 22px 25px 25px; }
.screenshot-caption h3 { margin: 0 0 7px; }
.screenshot-caption p { color: var(--muted); }

.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 48px; align-items: start; }
.steps { display: grid; gap: 13px; }
.step { display: grid; grid-template-columns: auto 1fr; gap: 15px; padding: 20px; border: 1px solid var(--border); border-radius: 22px; background: rgba(255,255,255,.035); }
.step h3 { margin-bottom: 4px; }
.step p { color: var(--muted); }
.callout { padding: 30px; border: 1px solid rgba(32,216,239,.22); border-radius: 28px; background: linear-gradient(140deg, rgba(32,216,239,.11), rgba(255,255,255,.035)); }
.callout h2 { font-size: clamp(1.8rem, 3vw, 2.75rem); }

.faq { display: grid; gap: 11px; max-width: 920px; }
.faq details { border: 1px solid var(--border); border-radius: 18px; background: rgba(255,255,255,.035); }
.faq summary { padding: 18px 54px 18px 20px; cursor: pointer; list-style: none; font-weight: 800; position: relative; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 20px; top: 13px; color: var(--cyan); font-size: 1.55rem; }
.faq details[open] summary::after { content: "−"; }
.faq details p { padding: 0 20px 20px; color: var(--muted); }

.contact-grid { display: grid; grid-template-columns: .85fr 1.15fr; gap: 28px; }
.contact-points { display: grid; gap: 13px; margin-top: 24px; list-style: none; }
.contact-points li { color: #dce5eb; }
.contact-points strong { color: var(--cyan-soft); }
form { display: grid; gap: 13px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 13px; }
label { display: grid; gap: 6px; color: #dce5eb; font-size: .9rem; font-weight: 700; }
input, select, textarea { width: 100%; padding: 14px 15px; color: #fff; border: 1px solid rgba(255,255,255,.11); border-radius: 14px; outline: none; background: rgba(3,7,12,.68); }
select option { color: #111; }
input:focus, select:focus, textarea:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(32,216,239,.1); }
textarea { min-height: 125px; resize: vertical; }
.fineprint { color: var(--muted-2); font-size: .82rem; }

.page-hero { padding: 80px 0 50px; }
.prose { max-width: 820px; }
.prose h2 { margin-top: 42px; font-size: clamp(1.8rem, 3.3vw, 2.7rem); }
.prose h3 { margin: 28px 0 8px; font-size: 1.35rem; }
.prose p { margin-bottom: 15px; color: var(--muted); }
.prose ul { margin: 14px 0 22px 22px; color: var(--muted); }

.site-footer { padding: 40px 0; border-top: 1px solid rgba(255,255,255,.07); color: var(--muted-2); }
.footer-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 18px; flex-wrap: wrap; }
.footer-links a:hover { color: #fff; }

@media (max-width: 980px) {
  html { scroll-padding-top: 92px; }
  .nav {
    min-height: 72px;
    gap: 12px;
    padding: 9px 0;
    position: relative;
  }
  .nav-links { display: none; }
  .mobile-menu {
    display: block;
    margin-left: auto;
    position: relative;
  }
  .mobile-menu summary {
    width: 46px;
    height: 46px;
    display: grid;
    place-items: center;
    gap: 4px;
    padding: 12px;
    border: 1px solid rgba(255,255,255,.14);
    border-radius: 14px;
    background: rgba(255,255,255,.055);
    box-shadow: 0 12px 30px rgba(0,0,0,.2);
    cursor: pointer;
    list-style: none;
  }
  .mobile-menu summary::-webkit-details-marker { display: none; }
  .mobile-menu summary span {
    width: 20px;
    height: 2px;
    display: block;
    border-radius: 999px;
    background: #f5f8fb;
    transition: transform .18s ease, opacity .18s ease;
  }
  .mobile-menu[open] summary {
    border-color: rgba(32,216,239,.38);
    background: rgba(32,216,239,.12);
  }
  .mobile-menu[open] summary span:nth-child(1) { transform: translateY(6px) rotate(45deg); }
  .mobile-menu[open] summary span:nth-child(2) { opacity: 0; }
  .mobile-menu[open] summary span:nth-child(3) { transform: translateY(-6px) rotate(-45deg); }
  .mobile-menu-panel {
    position: absolute;
    top: calc(100% + 11px);
    right: 0;
    width: min(84vw, 340px);
    display: flex;
    flex-direction: column;
    padding: 10px;
    border: 1px solid rgba(255,255,255,.11);
    border-radius: 22px;
    background: rgba(6, 10, 17, .98);
    box-shadow: 0 24px 70px rgba(0,0,0,.45);
  }
  .mobile-menu-panel a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 13px 14px;
    color: #d8e2eb;
    border-radius: 14px;
    font-weight: 800;
  }
  .mobile-menu-panel a[href="/"] { order: 0; }
  .mobile-menu-panel a[href="/fonctionnalites"] { order: 1; }
  .mobile-menu-panel a[href="/workflow"] { order: 2; }
  .mobile-menu-panel a[href="/#interface"] { order: 3; }
  .mobile-menu-panel a[href="/laboratoires-dentaires"] { order: 4; }
  .mobile-menu-panel a[href="/autolabtool"] { order: 5; }
  .mobile-menu-panel a[href="/faq"] { order: 6; }
  .mobile-menu-panel a:hover,
  .mobile-menu-panel a[aria-current="page"] {
    color: #fff;
    background: rgba(32,216,239,.11);
  }
  .mobile-menu-panel a::after { content: "›"; color: var(--cyan); }
  .mobile-menu-panel .mobile-menu-cta {
    order: 7;
    margin-top: 6px;
    color: #001018;
    background: linear-gradient(135deg, var(--cyan), #61efff, var(--cyan-dark));
  }
  .mobile-menu-panel .mobile-menu-cta::after { color: #001018; }
  .nav-cta { display: none; }
  .hero-grid, .split, .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 42px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: 1fr; }
  .interface-grid { grid-template-columns: 1fr; }
}
@media (max-width: 620px) {
  .container { width: min(var(--max), calc(100% - 30px)); }
  .nav { gap: 9px; }
  .brand { font-size: 1rem; }
  .brand img { width: 43px; height: 43px; }
  .hero, .page-hero { padding-top: 44px; }
  h1 { font-size: clamp(2.65rem, 14vw, 3.55rem); letter-spacing: -.06em; }
  section { padding: 62px 0; }
  .grid-2, .grid-4, .stats, .form-row { grid-template-columns: 1fr; }
  .stats { gap: 8px; }
  .stat { display: flex; justify-content: space-between; align-items: center; }
  .actions .btn { width: 100%; }
  .card, .callout { padding: 22px; }
  .footer-grid { display: grid; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; }
}