:root {
  --ink: #061625;
  --ink-soft: #263542;
  --blue: #086ca9;
  --blue-bright: #18a7e0;
  --paper: #f4f7f8;
  --white: #fff;
  --line: rgba(6, 22, 37, .15);
  --shadow: 0 24px 70px rgba(3, 19, 32, .2);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; color: var(--ink); background: var(--white); font-family: Arial, Helvetica, sans-serif; font-size: 16px; line-height: 1.55; }
img { display: block; max-width: 100%; }
button, a { font: inherit; }
a { color: inherit; }
.skip-link { position: fixed; left: 1rem; top: -5rem; z-index: 1000; padding: .8rem 1rem; background: var(--white); }
.skip-link:focus { top: 1rem; }
.shell { width: min(1180px, calc(100% - 40px)); margin-inline: auto; }
.section { padding: clamp(5rem, 9vw, 8rem) 0; }
.site-header { position: fixed; inset: 0 0 auto; z-index: 100; padding: 1rem 0; transition: background .25s, box-shadow .25s, padding .25s; }
.site-header.scrolled { padding: .55rem 0; background: rgba(255,255,255,.96); box-shadow: 0 10px 30px rgba(0,0,0,.08); backdrop-filter: blur(10px); }
.nav-wrap { width: min(1240px, calc(100% - 32px)); margin: auto; display: flex; align-items: center; justify-content: space-between; }
.brand { display: inline-flex; width: 190px; padding: .55rem .8rem; background: var(--white); border-radius: 4px; }
.site-header.scrolled .brand { padding: .2rem .4rem; }
nav { display: flex; align-items: center; gap: 1.7rem; color: white; }
.site-header.scrolled nav { color: var(--ink); }
nav a { text-decoration: none; font-size: .94rem; font-weight: 700; }
.nav-cta { padding: .75rem 1rem; border: 1px solid currentColor; }
.menu-toggle { display: none; border: 0; padding: .65rem .9rem; color: white; background: rgba(6,22,37,.75); }
.hero { min-height: 100svh; position: relative; display: grid; align-items: center; color: white; overflow: hidden; }
.hero-image, .hero-shade { position: absolute; inset: 0; width: 100%; height: 100%; }
.hero-image { object-fit: cover; }
.hero-shade { background: linear-gradient(90deg, rgba(3,14,25,.94) 0%, rgba(3,17,28,.78) 45%, rgba(3,14,25,.18) 85%), linear-gradient(0deg, rgba(3,14,25,.75), transparent 40%); }
.hero-content { position: relative; z-index: 2; padding-top: 7rem; }
.eyebrow { margin: 0 0 1.1rem; color: #92d8f4; font-size: .78rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.eyebrow.dark { color: var(--blue); }
h1, h2, h3, p { margin-top: 0; }
h1 { max-width: 850px; margin-bottom: 1.5rem; font-size: clamp(3.2rem, 7.6vw, 7rem); line-height: .93; letter-spacing: -.055em; }
h2 { margin-bottom: 1rem; font-size: clamp(2.4rem, 5vw, 4.8rem); line-height: 1; letter-spacing: -.045em; }
h3 { font-size: clamp(1.4rem, 2.2vw, 2rem); line-height: 1.1; }
.hero-copy { max-width: 660px; font-size: clamp(1.05rem, 1.9vw, 1.35rem); color: rgba(255,255,255,.85); }
.hero-actions { display: flex; gap: .8rem; margin-top: 2rem; flex-wrap: wrap; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 50px; padding: .8rem 1.15rem; border: 1px solid white; text-decoration: none; font-weight: 800; }
.button-primary { color: var(--ink); background: white; }
.button-ghost { color: white; background: rgba(0,0,0,.15); }
.hero-facts { position: absolute; z-index: 2; left: 0; right: 0; bottom: 0; display: grid; grid-template-columns: repeat(3, 1fr); border-top: 1px solid rgba(255,255,255,.28); backdrop-filter: blur(8px); background: rgba(4,18,30,.35); }
.hero-facts span { padding: 1.1rem; text-align: center; font-weight: 800; border-right: 1px solid rgba(255,255,255,.25); }
.intro { display: grid; grid-template-columns: 1.15fr .85fr; gap: clamp(2rem, 7vw, 7rem); align-items: start; }
.intro-copy { padding-top: 2rem; color: var(--ink-soft); font-size: 1.16rem; }
.services { background: var(--paper); }
.section-heading { display: grid; grid-template-columns: 1fr .45fr; align-items: end; gap: 3rem; margin-bottom: 3.5rem; }
.section-heading p { color: var(--ink-soft); font-size: 1.06rem; }
.service-list { border-top: 1px solid var(--line); }
.service-item { min-height: 210px; display: grid; grid-template-columns: 70px 1fr 290px; gap: 2rem; align-items: center; padding: 1.5rem 0; border-bottom: 1px solid var(--line); }
.service-number { color: var(--blue); font-weight: 800; }
.service-item h3 { margin-bottom: .7rem; }
.service-item p { max-width: 650px; margin: 0; color: var(--ink-soft); }
.service-item img { width: 100%; height: 175px; object-fit: cover; filter: saturate(.8) contrast(1.05); }
.capability { display: grid; grid-template-columns: 1.05fr .95fr; padding: 0; color: white; background: var(--ink); }
.capability-image img { width: 100%; height: 100%; min-height: 740px; object-fit: cover; }
.capability-content { padding: clamp(4rem, 8vw, 7rem); align-self: center; }
.capability-content > p:not(.eyebrow) { color: rgba(255,255,255,.75); font-size: 1.1rem; }
.capability-list { margin: 3rem 0 0; }
.capability-list div { padding: 1.25rem 0; border-top: 1px solid rgba(255,255,255,.18); }
.capability-list dt { font-size: 1.15rem; font-weight: 800; }
.capability-list dd { margin: .25rem 0 0; color: rgba(255,255,255,.65); }
.operations-heading { align-items: end; }
.filters { display: flex; gap: .55rem; margin-bottom: 1.5rem; flex-wrap: wrap; }
.filter { border: 1px solid var(--line); background: white; color: var(--ink); padding: .65rem .9rem; cursor: pointer; }
.filter.active { color: white; background: var(--ink); }
.gallery { display: grid; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 250px; gap: .85rem; }
.gallery-item { position: relative; overflow: hidden; padding: 0; border: 0; background: var(--ink); cursor: zoom-in; }
.gallery-item.wide { grid-column: span 2; }
.gallery-item.tall { grid-row: span 2; }
.gallery-item img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s, opacity .25s; }
.gallery-item:hover img, .gallery-item:focus img { transform: scale(1.035); opacity: .8; }
.gallery-item span { position: absolute; left: .8rem; bottom: .8rem; padding: .35rem .55rem; color: white; background: rgba(4,18,30,.78); font-size: .85rem; font-weight: 800; }
.gallery-item.hidden { display: none; }
.noc { color: white; background: var(--blue); overflow: hidden; }
.noc-grid { display: grid; grid-template-columns: .4fr 1.2fr .7fr .45fr; gap: 2.5rem; align-items: center; }
.noc-grid .eyebrow { color: white; }
.noc-grid h2 { margin: 0; font-size: clamp(2.4rem, 5vw, 4.5rem); }
.noc-grid > p:not(.eyebrow) { color: rgba(255,255,255,.78); }
.noc-mark { text-align: center; border-left: 1px solid rgba(255,255,255,.35); }
.noc-mark span { display: block; font-size: 5rem; font-weight: 900; line-height: .85; }
.noc-mark small { text-transform: uppercase; letter-spacing: .15em; }
.contact { background: white; }
.contact-grid { display: grid; grid-template-columns: 1fr .8fr; gap: 5rem; }
.contact-copy { font-size: 1.12rem; }
.contact-links { margin-top: 2rem; border-top: 1px solid var(--line); }
.contact-links a { display: grid; grid-template-columns: 180px 1fr; gap: 1rem; padding: 1.15rem 0; border-bottom: 1px solid var(--line); text-decoration: none; }
.contact-links small { color: var(--blue); font-size: .8rem; font-weight: 800; letter-spacing: .08em; text-transform: uppercase; }
.contact-links strong { font-size: clamp(1.05rem, 2vw, 1.35rem); overflow-wrap: anywhere; }
.contact-links a:hover strong, .contact-links a:focus strong { color: var(--blue); }
footer { padding: 2rem 0; color: rgba(255,255,255,.7); background: var(--ink); }
.footer-grid { display: grid; grid-template-columns: 180px 1fr auto; gap: 2rem; align-items: center; }
.footer-grid img { background: white; padding: .3rem; }
.footer-grid p { margin: 0; }
.footer-grid a { color: white; }
.lightbox { width: min(1000px, calc(100% - 30px)); padding: 0; border: 0; background: #020b12; box-shadow: var(--shadow); }
.lightbox::backdrop { background: rgba(0,0,0,.82); }
.lightbox img { max-height: 82vh; width: 100%; object-fit: contain; }
.lightbox-close { position: absolute; right: .8rem; top: .8rem; z-index: 2; border: 0; padding: .6rem .75rem; color: white; background: rgba(0,0,0,.7); cursor: pointer; }
@media (max-width: 900px) {
  .menu-toggle { display: block; }
  nav { display: none; position: absolute; top: calc(100% + .5rem); left: 1rem; right: 1rem; flex-direction: column; align-items: stretch; gap: 0; padding: .6rem; color: var(--ink); background: white; box-shadow: var(--shadow); }
  nav.open { display: flex; }
  nav a { padding: .85rem; }
  .nav-cta { border-color: var(--line); }
  .intro, .section-heading, .contact-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .service-item { grid-template-columns: 50px 1fr; }
  .service-item img { grid-column: 2; }
  .capability { grid-template-columns: 1fr; }
  .capability-image img { min-height: 480px; max-height: 65vh; }
  .noc-grid { grid-template-columns: 1fr 1fr; }
  .noc-grid h2 { grid-column: 1 / -1; }
  .gallery { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 600px) {
  .shell { width: min(100% - 28px, 1180px); }
  .brand { width: 145px; }
  .hero { min-height: 760px; }
  h1 { font-size: clamp(2.9rem, 14vw, 4.6rem); }
  .hero-content { padding-bottom: 8rem; }
  .hero-facts span { padding: .8rem .35rem; font-size: .78rem; }
  .section { padding: 4.5rem 0; }
  .service-item { grid-template-columns: 38px 1fr; gap: 1rem; }
  .service-item img { grid-column: 1 / -1; height: 210px; }
  .capability-content { padding: 4.5rem 1.2rem; }
  .gallery { grid-template-columns: 1fr; grid-auto-rows: 260px; }
  .gallery-item.wide, .gallery-item.tall { grid-column: auto; grid-row: auto; }
  .noc-grid { grid-template-columns: 1fr; }
  .noc-grid h2 { grid-column: auto; }
  .noc-mark { border-left: 0; border-top: 1px solid rgba(255,255,255,.35); padding-top: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; }
  .contact-links a { grid-template-columns: 1fr; gap: .25rem; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }
}