:root {
  --red: #7a2633;
  --blue: #245a78;
  --clay: #b36b3f;
  --canvas: #faf8f4;
  --surface: #fff;
  --soft: #f1ece4;
  --ink: #1e1d1b;
  --muted: #625e57;
  --border: #d9d2c8;
  --page: min(1180px, calc(100vw - 48px));
  --radius: 20px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.site-header {
  width: var(--page);
  min-height: 112px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--border);
}

.brand { display: inline-flex; }
.brand img { width: 205px; height: auto; display: block; }

.header-contact,
.area-link {
  font-weight: 700;
  text-decoration: none;
  text-underline-offset: 5px;
}

.header-contact:hover,
.header-contact:focus-visible { text-decoration: underline; }

main,
.site-footer { width: var(--page); margin-inline: auto; }

.hero {
  min-height: 680px;
  padding: 80px 0 96px;
  display: grid;
  grid-template-columns: 0.82fr 1.18fr;
  align-items: center;
  gap: 54px;
}

.eyebrow {
  margin: 0 0 22px;
  color: var(--red);
  font-size: 12px;
  font-weight: 800;
  letter-spacing: .16em;
  text-transform: uppercase;
}

h1, h2, h3, p { margin-top: 0; }

h1 {
  max-width: 650px;
  margin-bottom: 34px;
  font-size: clamp(58px, 7vw, 104px);
  line-height: .92;
  letter-spacing: -.065em;
}

.lead {
  max-width: 520px;
  margin-bottom: 0;
  color: var(--muted);
  font-size: clamp(20px, 2vw, 27px);
  line-height: 1.38;
}

.hero-visual {
  margin: 0;
  overflow: hidden;
  border-radius: 50% 50% var(--radius) var(--radius);
  background: var(--surface);
  box-shadow: 0 20px 60px rgba(68, 48, 39, .08);
}

.hero-visual img {
  width: 100%;
  height: 540px;
  display: block;
  object-fit: cover;
}

.areas {
  padding: 110px 0;
  border-top: 1px solid var(--border);
}

.section-intro {
  display: grid;
  grid-template-columns: 1fr 2fr;
  margin-bottom: 64px;
}

.section-intro h2,
.identity h2 {
  margin-bottom: 0;
  font-size: clamp(42px, 5vw, 72px);
  line-height: .98;
  letter-spacing: -.05em;
}

.area-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
}

.area-card {
  min-height: 430px;
  padding: 36px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-radius: var(--radius);
  color: #fff;
  text-decoration: none;
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.area-card:hover,
.area-card:focus-visible {
  transform: translateY(-5px);
  box-shadow: 0 22px 50px rgba(30, 29, 27, .15);
}

.area-card--tech { background: var(--blue); }
.area-card--immo { background: var(--clay); color: #fff; }

.area-number {
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .14em;
}

.area-card h3 {
  margin-bottom: 18px;
  font-size: clamp(42px, 5vw, 66px);
  line-height: 1;
  letter-spacing: -.05em;
}

.area-card p { max-width: 530px; margin-bottom: 0; font-size: 19px; }
.area-link { font-size: 15px; }

.identity {
  margin-bottom: 72px;
  padding: 96px 8%;
  border-radius: var(--radius);
  background: var(--soft);
}

.identity p:not(.eyebrow) { margin: 12px 0 0; color: var(--muted); }

.site-footer {
  padding: 32px 0 48px;
  display: flex;
  justify-content: space-between;
  gap: 24px;
  border-top: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
}

.site-footer p { margin: 0; }

.site-footer a {
  color: inherit;
  text-underline-offset: 3px;
}

.legal-links {
  display: flex;
  gap: 18px;
}

.legal-page {
  width: min(100% - 48px, 820px);
  margin: 0 auto;
  padding: 96px 0 120px;
}

.legal-page h1 {
  margin: 16px 0 56px;
  font-size: clamp(48px, 7vw, 88px);
  line-height: .95;
  letter-spacing: -.055em;
}

.legal-page h2 {
  margin: 52px 0 14px;
  font-size: clamp(25px, 3vw, 34px);
  letter-spacing: -.025em;
}

.legal-page h3 { margin: 30px 0 10px; }
.legal-page p, .legal-page li { color: var(--muted); }
.legal-page address { color: var(--muted); font-style: normal; }
.legal-page a { color: var(--ink); text-underline-offset: 3px; }
.legal-page .updated { margin-top: 56px; font-size: 14px; }

@media (max-width: 820px) {
  :root { --page: min(100% - 32px, 680px); }
  .site-header { min-height: 88px; }
  .brand img { width: 160px; }
  .hero { min-height: auto; padding: 62px 0 76px; grid-template-columns: 1fr; gap: 48px; }
  .hero-visual img { height: min(105vw, 520px); }
  .section-intro { grid-template-columns: 1fr; gap: 4px; }
  .area-grid { grid-template-columns: 1fr; }
  .area-card { min-height: 360px; padding: 28px; }
  .areas { padding: 78px 0; }
  .identity { padding: 64px 28px; }
  .site-footer { flex-direction: column; gap: 12px; }
  .legal-page { width: min(100% - 32px, 820px); padding: 62px 0 88px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .area-card { transition: none; }
}