:root {
  --ink: #0a0f13;
  --ink-2: #111a21;
  --steel: #26333d;
  --paper: #f0efec;
  --white: #ffffff;
  --muted: #aeb6bc;
  --amber: #f3a20b;
  --amber-dark: #d98900;
  --line: rgba(255, 255, 255, 0.18);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; background: var(--ink); }
body {
  margin: 0;
  background: var(--ink);
  color: var(--white);
  font-family: Arial, Helvetica, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
button, input, textarea { font: inherit; }

.site-header {
  height: 80px;
  padding: 0 clamp(24px, 5vw, 76px);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 36px;
  background: rgba(8, 13, 17, 0.96);
  border-bottom: 1px solid rgba(255,255,255,.14);
  position: absolute;
  inset: 0 0 auto;
  z-index: 10;
}
.brand {
  font-family: "Arial Narrow", "Helvetica Neue", Arial, sans-serif;
  font-stretch: condensed;
  font-weight: 800;
  font-size: 19px;
  letter-spacing: .035em;
  white-space: nowrap;
}
.brand span { color: var(--amber); }
nav { display: flex; gap: clamp(24px, 3vw, 46px); font-size: 14px; }
nav a { color: #e9eef1; transition: color .2s ease; }
nav a:hover { color: var(--amber); }
.header-cta { justify-self: end; }
.button {
  min-height: 50px;
  padding: 0 25px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .01em;
  cursor: pointer;
  transition: transform .2s ease, background .2s ease, border-color .2s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--amber); color: #101010; }
.button-primary:hover { background: #ffb31d; }
.button-secondary { border-color: var(--amber); color: var(--amber); background: rgba(5,10,14,.4); }

.hero {
  min-height: 745px;
  position: relative;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: #071016;
}
.hero-image { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: center; }
.hero-edge {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(5,10,14,.98) 0%, rgba(5,10,14,.83) 29%, rgba(5,10,14,.18) 57%, rgba(5,10,14,0) 78%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  width: min(690px, 48vw);
  margin: 90px 0 0 clamp(24px, 5vw, 76px);
}
h1, h2, h3 { font-family: "Arial Narrow", "Helvetica Neue", Arial, sans-serif; margin: 0; }
h1 { font-size: clamp(48px, 5vw, 76px); line-height: .99; letter-spacing: -.045em; max-width: 650px; }
.hero-content > p { font-size: clamp(18px, 1.6vw, 24px); line-height: 1.5; max-width: 580px; color: #e1e6e9; margin: 28px 0 34px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }

.proof-strip {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  padding: 28px clamp(24px, 5vw, 76px);
  background: #0b1116;
  border-top: 1px solid rgba(255,255,255,.2);
  border-bottom: 1px solid rgba(255,255,255,.15);
}
.proof-strip > div { padding: 2px 34px; border-right: 1px solid var(--line); display: flex; flex-direction: column; gap: 6px; }
.proof-strip > div:first-child { padding-left: 0; }
.proof-strip > div:last-child { border-right: 0; }
.proof-strip strong { font-size: clamp(27px, 3vw, 40px); color: var(--amber); letter-spacing: -.03em; }
.proof-strip span { color: #c1c9ce; font-size: 14px; }

.security-section { min-height: 720px; display: grid; grid-template-columns: 44% 56%; background: var(--ink); }
.security-copy { padding: clamp(72px, 8vw, 122px) clamp(30px, 6vw, 90px); }
h2 { font-size: clamp(43px, 4.2vw, 68px); line-height: 1.02; letter-spacing: -.045em; }
.section-intro { color: var(--muted); font-size: 17px; line-height: 1.65; margin: 25px 0 38px; max-width: 580px; }
.security-list article { display: grid; grid-template-columns: 46px 1fr; gap: 18px; padding: 24px 0; border-top: 1px solid var(--line); }
.security-list article > span, .services-list article > span { color: var(--amber); font-weight: 800; font-size: 13px; letter-spacing: .08em; }
.security-list h3, .services-list h3 { font-size: 21px; margin-bottom: 8px; }
.security-list p, .services-list p { color: var(--muted); line-height: 1.55; margin: 0; font-size: 14px; }
.security-visual { position: relative; overflow: hidden; min-height: 650px; }
.security-visual img { width: 100%; height: 100%; object-fit: cover; object-position: 72% center; transform: scale(1.03); }
.security-visual::after { content: ""; position: absolute; inset: 0; background: linear-gradient(90deg, var(--ink) 0%, transparent 23%); }
.visual-caption { position: absolute; z-index: 2; right: 40px; bottom: 40px; background: rgba(7,12,16,.9); border-left: 3px solid var(--amber); padding: 18px 24px; display: flex; flex-direction: column; gap: 4px; }
.visual-caption span { color: var(--amber); font-size: 11px; letter-spacing: .12em; }
.visual-caption strong { font-size: 26px; }

.location-section { display: grid; grid-template-columns: 40% 60%; min-height: 520px; background: var(--paper); color: #121a20; }
.location-copy { padding: clamp(70px, 8vw, 112px) clamp(30px, 7vw, 100px); }
.location-copy p { color: #53616a; font-size: 17px; line-height: 1.65; max-width: 480px; margin: 25px 0 50px; }
.location-name { font-size: 19px; font-weight: 700; padding-left: 22px; border-left: 3px solid var(--amber); }
.route-map { position: relative; overflow: hidden; background-color: #17242e; background-image: linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px); background-size: 40px 40px; }
.road { position: absolute; height: 6px; background: #dfe5e8; border-radius: 8px; box-shadow: 0 0 0 2px rgba(16,28,37,.85); }
.road-one { width: 120%; top: 53%; left: -8%; transform: rotate(-11deg); }
.road-two { width: 105%; top: 48%; left: 4%; transform: rotate(59deg); background: var(--amber); height: 8px; }
.road-three { width: 80%; top: 25%; left: 18%; transform: rotate(20deg); opacity: .75; }
.map-label { position: absolute; z-index: 2; color: #fff; background: #334753; padding: 8px 12px; font-size: 12px; font-weight: 800; letter-spacing: .06em; border: 1px solid rgba(255,255,255,.5); }
.valence { top: 24%; left: 24%; }
.bourg { bottom: 25%; left: 17%; background: var(--amber-dark); }
.a7 { top: 43%; right: 19%; font-size: 17px; }
.map-pin { position: absolute; z-index: 3; width: 32px; height: 32px; border: 8px solid var(--amber); border-radius: 50% 50% 50% 0; transform: rotate(-45deg); left: 58%; top: 48%; box-shadow: 0 8px 25px rgba(0,0,0,.5); }

.services-section { display: grid; grid-template-columns: 38% 62%; padding: clamp(80px, 8vw, 120px) clamp(24px, 5vw, 76px); background: #0c1318; }
.services-heading { padding-right: 8vw; }
.services-heading p { color: var(--muted); line-height: 1.6; font-size: 16px; }
.services-list article { display: grid; grid-template-columns: 50px minmax(160px, .7fr) 1.3fr; gap: 24px; align-items: start; padding: 25px 0; border-top: 1px solid var(--line); }
.services-list article:last-child { border-bottom: 1px solid var(--line); }

.contact-section { display: grid; grid-template-columns: 39% 61%; gap: clamp(45px, 8vw, 120px); padding: clamp(80px, 8vw, 120px) clamp(24px, 5vw, 76px); background: var(--paper); color: #11191e; }
.contact-copy > p { color: #5b666d; font-size: 17px; line-height: 1.65; margin: 24px 0 34px; max-width: 500px; }
.direct-contact { display: flex; flex-direction: column; gap: 9px; font-weight: 700; }
.direct-contact a:hover { color: var(--amber-dark); }
.contact-form { display: flex; flex-direction: column; gap: 18px; }
.field-row { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.contact-form label { display: flex; flex-direction: column; gap: 8px; color: #465159; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; }
.contact-form input, .contact-form textarea { width: 100%; border: 1px solid #b8bec1; border-radius: 0; background: rgba(255,255,255,.62); padding: 14px 15px; outline: none; color: #101820; text-transform: none; letter-spacing: 0; resize: vertical; }
.contact-form input:focus, .contact-form textarea:focus { border-color: var(--amber-dark); box-shadow: 0 0 0 2px rgba(243,162,11,.18); }
.form-submit { align-self: flex-end; min-width: 240px; border: 0; }

footer { display: flex; justify-content: space-between; align-items: center; gap: 30px; padding: 36px clamp(24px, 5vw, 76px); border-top: 1px solid var(--line); background: #080d11; }
.footer-links { display: flex; align-items: center; gap: 34px; color: #c1c9ce; font-size: 13px; }
.footer-links a:hover { color: var(--amber); }

@media (max-width: 900px) {
  .site-header { grid-template-columns: 1fr auto; height: 70px; }
  nav { display: none; }
  .header-cta { min-height: 42px; padding: 0 16px; }
  .hero { min-height: 720px; align-items: flex-end; }
  .hero-content { width: auto; margin: 0 24px 70px; }
  .hero-edge { background: linear-gradient(0deg, rgba(5,10,14,1) 0%, rgba(5,10,14,.86) 48%, rgba(5,10,14,.15) 100%); }
  .proof-strip { grid-template-columns: 1fr; gap: 0; }
  .proof-strip > div { border-right: 0; border-bottom: 1px solid var(--line); padding: 20px 0; }
  .proof-strip > div:last-child { border-bottom: 0; }
  .security-section, .location-section, .services-section, .contact-section { grid-template-columns: 1fr; }
  .security-visual { min-height: 520px; order: -1; }
  .location-copy { order: 2; }
  .route-map { min-height: 420px; }
  .services-heading { padding: 0 0 45px; }
  footer { flex-direction: column; align-items: flex-start; }
  .footer-links { flex-wrap: wrap; gap: 15px 25px; }
}

@media (max-width: 560px) {
  .site-header { padding: 0 18px; }
  .brand { font-size: 15px; }
  .header-cta { display: none; }
  .hero { min-height: 670px; }
  .hero-image { object-position: 64% center; }
  h1 { font-size: 46px; }
  h2 { font-size: 39px; }
  .hero-actions .button { width: 100%; }
  .security-copy, .location-copy { padding: 68px 24px; }
  .services-list article { grid-template-columns: 38px 1fr; gap: 12px; }
  .services-list article p { grid-column: 2; }
  .contact-section { gap: 48px; }
  .field-row { grid-template-columns: 1fr; }
  .form-submit { width: 100%; }
  .footer-links { flex-direction: column; align-items: flex-start; }
}

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