:root {
  color-scheme: light;
  --ink: #172033;
  --muted: #687386;
  --accent: #5267e8;
  --pale: #f3f5fb;
  --white: #ffffff;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--white);
  color: var(--ink);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}
a { color: inherit; text-decoration: none; }
.site-header {
  width: min(1120px, calc(100% - 48px));
  height: 84px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.brand { display: inline-flex; align-items: center; gap: 11px; font-weight: 800; letter-spacing: .08em; }
.brand-mark {
  width: 36px; height: 36px; border-radius: 11px;
  display: grid; place-items: center;
  color: white; background: var(--accent); font-size: 18px;
}
.site-header nav { display: flex; gap: 30px; color: var(--muted); font-size: 14px; }
.site-header nav a:hover { color: var(--accent); }
.hero {
  min-height: 540px;
  padding: 72px max(24px, calc((100% - 1120px) / 2));
  display: grid; grid-template-columns: 1.1fr .9fr; align-items: center; gap: 48px;
  background: linear-gradient(120deg, #f5f6ff 0%, #f8f9fc 58%, #eef1ff 100%);
  overflow: hidden;
}
.hero-content { max-width: 590px; }
.eyebrow { color: var(--accent); font-size: 11px; font-weight: 800; letter-spacing: .18em; }
h1 { margin: 15px 0 20px; font-size: clamp(44px, 6vw, 70px); line-height: 1.04; letter-spacing: -.055em; }
h1 span { color: var(--accent); }
.intro { max-width: 510px; color: var(--muted); font-size: 17px; }
.button {
  display: inline-flex; align-items: center; justify-content: center;
  margin-top: 20px; padding: 13px 22px; border-radius: 8px;
  background: var(--accent); color: white; font-size: 14px; font-weight: 700;
  box-shadow: 0 8px 20px #5267e833;
}
.button:hover { filter: brightness(.94); transform: translateY(-1px); }
.hero-art { min-height: 310px; position: relative; display: grid; place-items: center; }
.art-circle { position: absolute; border-radius: 50%; }
.circle-one { width: 270px; height: 270px; background: #dfe4ff; }
.circle-two { width: 190px; height: 190px; background: #cbd3ff; transform: translate(55px, -25px); }
.art-card {
  z-index: 1; width: min(300px, 90%); height: 190px; padding: 28px;
  border: 1px solid #ffffffaa; border-radius: 18px; background: #ffffffd9;
  box-shadow: 0 24px 70px #28345b24; backdrop-filter: blur(8px);
  display: flex; flex-direction: column; justify-content: center; gap: 15px;
}
.art-dot { width: 34px; height: 34px; border-radius: 10px; background: var(--accent); }
.art-line { height: 9px; width: 68%; border-radius: 9px; background: #dce1ef; }
.line-long { width: 90%; }
.line-short { width: 48%; }
.content-section { width: min(760px, calc(100% - 48px)); margin: 100px auto; }
h2 { margin: 10px 0 16px; font-size: clamp(28px, 4vw, 42px); line-height: 1.15; letter-spacing: -.035em; }
.content-section > p:last-child, .contact-section p:not(.eyebrow) { color: var(--muted); }
.contact-section {
  width: min(1120px, calc(100% - 48px)); margin: 0 auto 90px; padding: 42px 48px;
  border-radius: 18px; background: var(--ink); color: white;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.contact-section .eyebrow { color: #aebaff; }
.contact-section h2 { margin-bottom: 8px; }
.contact-section p:not(.eyebrow) { color: #c2c9d7; margin-bottom: 0; }
.button-light { background: white; color: var(--ink); white-space: nowrap; box-shadow: none; }
.site-footer {
  width: min(1120px, calc(100% - 48px)); margin: auto; padding: 24px 0 34px;
  border-top: 1px solid #e9ecf2; color: var(--muted); font-size: 13px;
  display: flex; justify-content: space-between; gap: 16px;
}
.error-page { min-height: 100vh; display: grid; place-items: center; padding: 24px; background: var(--pale); }
.error-card { max-width: 560px; padding: 48px; border-radius: 18px; background: white; box-shadow: 0 20px 60px #17203312; }
.error-card h1 { font-size: 42px; }
@media (max-width: 720px) {
  .site-header { height: 72px; }
  .site-header nav { gap: 16px; font-size: 13px; }
  .hero { grid-template-columns: 1fr; padding-top: 62px; padding-bottom: 44px; gap: 10px; }
  .hero-art { min-height: 240px; }
  .circle-one { width: 220px; height: 220px; }
  .circle-two { width: 155px; height: 155px; }
  .contact-section { padding: 30px 26px; align-items: flex-start; flex-direction: column; }
  .content-section { margin: 72px auto; }
}


/* Page temporaire "en construction" */
.construction-page {
  min-height: 100vh;
  padding: 36px 24px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 15% 15%, #e6eaff 0, transparent 32%),
    radial-gradient(circle at 85% 80%, #e9edff 0, transparent 30%),
    #f7f8fc;
}
.construction-card {
  width: min(620px, 100%);
  padding: clamp(32px, 7vw, 64px);
  border: 1px solid #ffffff;
  border-radius: 24px;
  background: #ffffffeb;
  box-shadow: 0 28px 90px #17203312;
  text-align: center;
}
.construction-icon {
  width: 76px;
  height: 76px;
  margin: 0 auto 30px;
  border-radius: 22px;
  background: #eef0ff;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 5px;
  transform: rotate(-7deg);
}
.construction-icon span {
  width: 8px;
  border-radius: 8px;
  background: var(--accent);
}
.construction-icon span:nth-child(1) { height: 22px; opacity: .55; }
.construction-icon span:nth-child(2) { height: 36px; }
.construction-icon span:nth-child(3) { height: 27px; opacity: .75; }
.construction-card h1 {
  margin: 14px 0 20px;
  font-size: clamp(38px, 7vw, 58px);
}
.construction-card h1 span { color: var(--accent); }
.construction-text {
  max-width: 430px;
  margin: 0 auto;
  color: var(--muted);
  font-size: 16px;
}
.construction-progress {
  width: min(270px, 100%);
  height: 6px;
  margin: 34px auto 14px;
  overflow: hidden;
  border-radius: 10px;
  background: #e9ecf6;
}
.construction-progress span {
  display: block;
  width: 62%;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
}
.construction-note { margin: 0; color: var(--muted); font-size: 13px; }
.construction-footer {
  margin-top: 30px;
  color: var(--muted);
  font-size: 12px;
  text-align: center;
}