:root {
  --navy: #071f3a;
  --navy-deep: #041426;
  --navy-light: #123d67;
  --gold: #d7b264;
  --gold-dark: #a9823d;
  --green: #426b5a;
  --ink: #171b1f;
  --muted: #5f6870;
  --line: #d9dee2;
  --soft: #f3f5f6;
  --paper: #ffffff;
  --shadow: 0 16px 42px rgba(5, 24, 42, 0.12);
  font-family: Arial, Helvetica, sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--paper); font-size: 16px; line-height: 1.55; letter-spacing: 0; }
a { color: inherit; }
img { max-width: 100%; }

.site-header {
  position: fixed; inset: 0 0 auto; z-index: 30;
  min-height: 86px; display: grid; grid-template-columns: 270px 1fr auto; align-items: center; gap: 28px;
  padding: 10px 42px; border-bottom: 1px solid rgba(255,255,255,.12); background: rgba(4,20,38,.96); color: white;
  backdrop-filter: blur(12px);
}
.brand, .footer-brand { display: flex; align-items: center; gap: 11px; text-decoration: none; }
.brand-monogram { width: 72px; height: 53px; display: block; border-radius: 3px; object-fit: cover; }
.brand-copy strong, .brand-copy small, .footer-brand strong, .footer-brand small { display: block; }
.brand-copy strong { color: var(--gold); font-size: 16px; font-weight: 850; }
.brand-copy small { margin-top: 3px; color: white; font-size: 10px; font-weight: 800; text-transform: uppercase; }
.nav { display: flex; justify-content: flex-end; gap: 25px; font-size: 13px; font-weight: 750; }
.nav a, .nav-cta, .button, .contact-action, .mobile-nav a { text-decoration: none; }
.nav a { padding: 10px 0; color: #dbe3e9; }
.nav a:hover { color: var(--gold); }
.nav-cta, .button { min-height: 42px; display: inline-flex; align-items: center; justify-content: center; padding: 10px 17px; border: 1px solid var(--gold); border-radius: 4px; font-weight: 800; }
.nav-cta, .button.primary { background: var(--gold); color: #101820; }
.nav-cta:hover, .button.primary:hover { background: #e0bd72; }
.button.secondary { border-color: rgba(255,255,255,.72); background: rgba(4,20,38,.32); color: white; }
.mobile-nav { display: none; }

.hero {
  position: relative; min-height: 76svh; max-height: 770px; display: flex; align-items: center; overflow: hidden;
  padding: 156px 42px 98px; color: white;
}
.hero-image, .hero-overlay { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; object-position: center; }
.hero-overlay { background: linear-gradient(90deg, rgba(2,12,24,.94) 0%, rgba(2,12,24,.78) 38%, rgba(2,12,24,.2) 74%, rgba(2,12,24,.08) 100%); }
.hero-content { position: relative; z-index: 1; width: min(720px, 100%); }
.eyebrow, .section-kicker { margin: 0 0 12px; color: var(--gold); font-size: 12px; font-weight: 850; text-transform: uppercase; letter-spacing: 0; }
.hero h1 { max-width: 700px; margin: 0; font-size: 68px; line-height: .98; letter-spacing: 0; }
.hero-copy { max-width: 660px; margin: 24px 0 0; color: rgba(255,255,255,.88); font-size: 21px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 31px; }
.hero-note {
  position: absolute; z-index: 1; left: 42px; right: 42px; bottom: 24px;
  display: flex; justify-content: space-between; gap: 20px; padding-top: 15px; border-top: 1px solid rgba(255,255,255,.24);
  color: rgba(255,255,255,.78); font-size: 12px; font-weight: 750;
}

.signal-band { display: grid; grid-template-columns: repeat(4, 1fr); background: var(--navy); color: white; }
.signal { min-height: 132px; padding: 24px 28px; border-right: 1px solid rgba(255,255,255,.13); }
.signal:last-child { border-right: 0; }
.signal strong { display: block; margin-bottom: 8px; color: white; font-size: 23px; line-height: 1.1; }
.signal span { color: rgba(255,255,255,.7); font-size: 13px; }

.section { width: min(1180px, calc(100% - 64px)); margin: 0 auto; padding: 86px 0; }
.intro-section { padding-top: 94px; }
.split { display: grid; grid-template-columns: .92fr 1.08fr; gap: 66px; align-items: start; }
h1, h2, h3, p { margin-top: 0; }
h2 { margin-bottom: 0; color: var(--navy); font-size: 44px; line-height: 1.08; letter-spacing: 0; }
h3 { margin-bottom: 0; color: var(--navy); font-size: 21px; line-height: 1.2; letter-spacing: 0; }
p { margin-bottom: 0; }
.body-copy { color: var(--muted); font-size: 18px; }
.body-copy p + p { margin-top: 17px; }
.lead { margin-top: 18px; color: var(--muted); font-size: 19px; }

.services-band { background: var(--soft); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { display: grid; grid-template-columns: 1.08fr .92fr; gap: 54px; align-items: end; margin-bottom: 34px; }
.section-head p { color: var(--muted); font-size: 18px; }
.service-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.service-card { min-height: 250px; padding: 23px; border: 1px solid var(--line); border-radius: 4px; background: white; box-shadow: 0 9px 24px rgba(5,24,42,.06); }
.service-card > span { display: block; margin-bottom: 36px; color: var(--gold-dark); font-size: 12px; font-weight: 900; }
.service-card p { margin-top: 13px; color: var(--muted); }

.sectors-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 64px; align-items: start; }
.sector-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); border-top: 1px solid var(--line); }
.sector-list span { min-height: 62px; display: flex; align-items: center; padding: 13px 15px; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); color: var(--navy); font-weight: 800; }
.sector-list span:nth-child(2n) { border-right: 0; }
.sector-list span::before { width: 7px; height: 7px; flex: 0 0 auto; margin-right: 10px; border-radius: 50%; background: var(--gold); content: ""; }

.experience-band { background: var(--navy-deep); color: white; }
.experience-layout { display: grid; grid-template-columns: .92fr 1.08fr; gap: 64px; align-items: start; }
.experience-band h2 { color: white; }
.experience-band .lead { color: #bfcbd4; }
.company-list { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 8px; }
.company-list span { min-height: 53px; display: flex; align-items: center; padding: 12px 14px; border-left: 3px solid var(--gold); background: rgba(255,255,255,.07); color: white; font-weight: 750; }

.capability-layout { display: grid; grid-template-columns: .85fr 1.15fr; gap: 58px; align-items: start; }
.capability-layout .body-copy { margin-top: 20px; }
.capability-list { border-top: 1px solid var(--line); }
.capability-list > div { display: grid; grid-template-columns: 180px 1fr; gap: 24px; padding: 21px 0; border-bottom: 1px solid var(--line); }
.capability-list strong { color: var(--navy); }
.capability-list span { color: var(--muted); }

.working-band { background: #173f34; color: white; }
.working-band h2, .working-band strong { color: white; }
.working-band p { color: rgba(255,255,255,.74); }
.model-grid { display: grid; grid-template-columns: 1.32fr repeat(3, 1fr); gap: 13px; }
.model-intro { padding-right: 20px; }
.model-intro p { margin-top: 20px; }
.model-step { min-height: 250px; padding: 22px; border: 1px solid rgba(255,255,255,.18); border-radius: 4px; background: rgba(255,255,255,.05); }
.model-step > span { display: block; margin-bottom: 44px; color: var(--gold); font-size: 12px; font-weight: 900; }
.model-step strong { display: block; font-size: 20px; line-height: 1.18; }
.model-step p { margin-top: 12px; }

.profile-section { display: grid; grid-template-columns: 1.03fr .97fr; gap: 64px; align-items: start; }
.profile-lead > p:not(.lead) { margin-top: 18px; color: var(--muted); }
.credential-list { display: grid; gap: 8px; }
.credential-list span { min-height: 51px; display: flex; align-items: center; padding: 12px 14px; border-left: 3px solid var(--green); background: var(--soft); color: var(--navy); font-weight: 800; }

.contact-section { background: #eef1f2; border-top: 1px solid var(--line); }
.contact-inner { width: min(1180px, calc(100% - 64px)); margin: 0 auto; padding: 84px 0; display: grid; grid-template-columns: 1fr 450px; gap: 68px; align-items: center; }
.contact-inner p { max-width: 650px; margin-top: 19px; color: var(--muted); font-size: 18px; }
.contact-actions { display: grid; gap: 8px; }
.contact-action { min-height: 66px; display: grid; grid-template-columns: 72px 1fr; align-items: center; gap: 12px; padding: 12px 15px; border: 1px solid var(--line); border-radius: 4px; background: white; }
.contact-action span { color: var(--muted); font-size: 11px; font-weight: 800; text-transform: uppercase; }
.contact-action strong { color: var(--navy); }
.primary-contact { border-color: var(--navy); background: var(--navy); }
.primary-contact span { color: var(--gold); }
.primary-contact strong { color: white; }

.site-footer { min-height: 96px; display: grid; grid-template-columns: 280px 1fr auto; align-items: center; gap: 26px; padding: 18px 42px; background: var(--navy-deep); color: #9eacb7; font-size: 12px; }
.footer-brand img { width: 56px; height: 41px; border-radius: 3px; object-fit: cover; }
.footer-brand strong { color: var(--gold); font-size: 13px; }
.footer-brand small { color: white; font-size: 9px; font-weight: 800; text-transform: uppercase; }

@media (max-width: 1080px) {
  .site-header { grid-template-columns: 250px 1fr auto; padding-inline: 25px; }
  .nav { display: none; }
  .mobile-nav { position: relative; display: block; }
  .mobile-nav summary { width: 42px; height: 42px; display: grid; place-items: center; border: 1px solid rgba(255,255,255,.35); border-radius: 4px; color: white; cursor: pointer; list-style: none; }
  .mobile-nav summary::-webkit-details-marker { display: none; }
  .mobile-nav summary span { font-size: 22px; line-height: 1; }
  .mobile-nav nav { position: absolute; top: 52px; right: 0; width: 240px; display: grid; padding: 8px; border: 1px solid #2d4254; border-radius: 4px; background: var(--navy-deep); box-shadow: var(--shadow); }
  .mobile-nav a { padding: 12px; color: white; font-weight: 750; }
  .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .model-grid { grid-template-columns: repeat(3, 1fr); }
  .model-intro { grid-column: 1 / -1; padding: 0 0 16px; }
  .signal-band { grid-template-columns: repeat(2, 1fr); }
  .signal:nth-child(2) { border-right: 0; }
  .signal:nth-child(-n+2) { border-bottom: 1px solid rgba(255,255,255,.13); }
}

@media (max-width: 760px) {
  .site-header { position: absolute; min-height: 74px; grid-template-columns: 1fr auto; gap: 12px; padding: 9px 16px; }
  .brand-monogram { width: 59px; height: 43px; }
  .brand-copy strong { font-size: 14px; }
  .brand-copy small { font-size: 9px; }
  .nav-cta { display: none; }
  .hero { min-height: 79svh; max-height: none; padding: 126px 20px 92px; }
  .hero-overlay { background: rgba(2,12,24,.75); }
  .hero h1 { font-size: 45px; line-height: 1; }
  .hero-copy { margin-top: 20px; font-size: 18px; }
  .hero-actions { align-items: stretch; flex-direction: column; }
  .hero-actions .button { width: 100%; }
  .hero-note { left: 20px; right: 20px; bottom: 16px; align-items: flex-start; flex-direction: column; gap: 3px; padding-top: 11px; }
  .signal-band, .service-grid, .sector-list, .company-list, .model-grid { grid-template-columns: 1fr; }
  .signal { min-height: 105px; border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); }
  .signal:last-child { border-bottom: 0; }
  .section, .contact-inner { width: min(100% - 36px, 1180px); padding: 62px 0; }
  .intro-section { padding-top: 66px; }
  .split, .section-head, .sectors-layout, .experience-layout, .capability-layout, .profile-section, .contact-inner { grid-template-columns: 1fr; gap: 29px; }
  h2 { font-size: 34px; }
  .section-head { align-items: start; }
  .service-card { min-height: 215px; }
  .service-card > span { margin-bottom: 25px; }
  .sector-list span { border-right: 0; }
  .capability-list > div { grid-template-columns: 1fr; gap: 7px; }
  .model-step { min-height: 210px; }
  .model-step > span { margin-bottom: 30px; }
  .contact-action { grid-template-columns: 58px minmax(0,1fr); }
  .contact-action strong { overflow-wrap: anywhere; }
  .site-footer { grid-template-columns: 1fr; gap: 13px; padding: 25px 20px; }
}
