:root {
  --cyan: #0183dc;
  --cyan-deep: #075cb3;
  --ink: #101b24;
  --charcoal: #31383d;
  --steel: #515558;
  --mist: #f1f5f7;
  --line: rgba(9,35,49,.14);
  --white: #ffffff;
  --max: 1240px;
  --shadow: 0 24px 70px rgba(4,24,34,.16);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: var(--white); font-size: 16px; line-height: 1.6; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 1000; background: var(--white); padding: .8rem 1rem; border-radius: 4px; }
.skip-link:focus { top: 1rem; }

.site-header { position: sticky; inset: 0 0 auto; z-index: 20; color: var(--ink); background: var(--white); border-bottom: 4px solid var(--cyan); box-shadow: 0 10px 35px rgba(9,35,49,.1); }
.nav-wrap { width: min(var(--max), calc(100% - 48px)); height: 122px; margin: auto; display: flex; align-items: center; justify-content: space-between; }
.brand { width: 244px; height: 112px; display: flex; align-items: center; overflow: hidden; background: var(--white); padding: 4px 0; }
.brand img { width: 218px; height: 106px; object-fit: contain; }
nav { display: flex; align-items: center; gap: 2rem; }
nav a { font-size: .86rem; font-weight: 700; letter-spacing: .04em; }
nav a:not(.nav-cta) { border-bottom: 1px solid transparent; }
nav a:not(.nav-cta):hover { color: var(--cyan-deep); border-color: var(--cyan); }
.nav-cta { padding: .7rem 1.15rem; background: var(--cyan); color: var(--white); }
.menu-toggle { display: none; width: 44px; height: 44px; border: 0; background: transparent; padding: 9px; }
.menu-toggle span:not(.sr-only) { display: block; height: 2px; background: var(--ink); margin: 5px 0; }

.hero { min-height: 690px; height: calc(100svh - 122px); position: relative; overflow: hidden; color: var(--white); display: flex; align-items: center; }
.hero-media { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; object-position: 58% 50%; filter: saturate(.82) contrast(1.08); }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(90deg, rgba(9,20,29,.97) 0%, rgba(14,31,42,.86) 40%, rgba(14,31,42,.2) 73%, rgba(14,31,42,.45) 100%), linear-gradient(0deg, rgba(4,18,27,.84), transparent 44%); }
.hero-grid { position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.3) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.3) 1px, transparent 1px); background-size: 72px 72px; mask-image: linear-gradient(90deg, black, transparent 76%); }
.hero::before { content: ""; position: absolute; z-index: 2; left: 0; top: 0; bottom: 0; width: 9px; background: linear-gradient(var(--cyan), transparent 75%); }
.hero::after { content: "AA"; position: absolute; right: -5vw; bottom: -13vw; font-size: min(44vw, 650px); line-height: 1; letter-spacing: -.28em; font-weight: 900; color: transparent; -webkit-text-stroke: 2px rgba(1,131,220,.3); transform: skewX(-7deg); pointer-events: none; }
.hero-content { position: relative; z-index: 2; width: min(var(--max), calc(100% - 48px)); margin: 10px auto 105px; }
.eyebrow { margin: 0 0 1rem; color: var(--cyan); font-weight: 800; font-size: .78rem; letter-spacing: .18em; text-transform: uppercase; }
.eyebrow.dark { color: var(--cyan-deep); }
h1, h2, h3, p { margin-top: 0; }
h1 { margin-bottom: 1.5rem; max-width: 930px; font-size: clamp(3.5rem, 7.8vw, 7.2rem); line-height: .92; letter-spacing: -.06em; text-transform: uppercase; font-weight: 850; }
h1 span { color: var(--cyan); }
.hero-copy { max-width: 650px; color: rgba(255,255,255,.83); font-size: clamp(1.05rem, 1.5vw, 1.35rem); line-height: 1.55; }
.hero-actions, .contact-actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { min-height: 52px; padding: .85rem 1.3rem; display: inline-flex; align-items: center; justify-content: center; font-size: .88rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em; border: 1px solid transparent; transition: .22s ease; }
.button-primary { background: var(--cyan); color: var(--white); }
.button-primary:hover { background: #1498ef; transform: translateY(-2px); }
.button-ghost { border-color: rgba(255,255,255,.55); color: var(--white); }
.button-ghost:hover { border-color: var(--cyan); color: var(--cyan); }
.hero-index { position: absolute; z-index: 3; left: 0; right: 0; bottom: 0; min-height: 108px; padding: 0 max(24px, calc((100vw - var(--max))/2)); display: grid; grid-template-columns: repeat(4, 1fr); background: rgba(13,29,39,.9); backdrop-filter: blur(12px); border-top: 4px solid var(--cyan); }
.hero-index div { display: flex; flex-direction: column; justify-content: center; padding: 1rem 1.8rem; border-right: 1px solid rgba(255,255,255,.13); }
.hero-index div:first-child { border-left: 1px solid rgba(255,255,255,.13); }
.hero-index strong { font-size: 1.7rem; line-height: 1; color: var(--white); }
.hero-index span { margin-top: .5rem; color: rgba(255,255,255,.58); font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; }

.trust-strip { min-height: 92px; display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 1rem 3.7rem; padding: 1.5rem 24px; color: #60717a; border-bottom: 1px solid var(--line); }
.trust-strip span { font-size: .74rem; text-transform: uppercase; letter-spacing: .14em; }
.trust-strip strong { font-size: .82rem; letter-spacing: .06em; text-transform: uppercase; color: var(--ink); }

.section { max-width: var(--max); margin: auto; padding: 110px 24px; }
.about { display: grid; grid-template-columns: 70px .9fr 1.1fr; gap: 2.5rem; }
.section-number { width: 48px; height: 48px; border: 1px solid var(--line); display: grid; place-items: center; color: var(--cyan-deep); font-size: .76rem; font-weight: 800; }
h2 { font-size: clamp(2.5rem, 5vw, 4.7rem); line-height: 1.02; letter-spacing: -.045em; margin-bottom: 1.7rem; }
.about-lead h2 { max-width: 510px; }
.about-copy { padding-top: 2rem; color: #50616a; font-size: 1.05rem; }
.about-copy > p:first-child { color: var(--ink); font-size: 1.22rem; }
.identity-line { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid var(--line); display: grid; grid-template-columns: auto 1fr; gap: .45rem 1.3rem; align-items: baseline; }
.identity-line span { font-size: .74rem; text-transform: uppercase; letter-spacing: .1em; color: #718089; }
.identity-line strong { font-size: .9rem; color: var(--ink); }

.capabilities { max-width: none; background: var(--mist); padding-left: max(24px, calc((100vw - var(--max))/2)); padding-right: max(24px, calc((100vw - var(--max))/2)); }
.section-heading { display: grid; grid-template-columns: 1.3fr .7fr; gap: 5rem; align-items: end; margin-bottom: 3rem; }
.section-heading h2 { margin: 0; }
.section-heading > p { margin: 0 0 .5rem; color: #52646d; }
.capability-grid { display: grid; grid-template-columns: 1.15fr repeat(3, 1fr); gap: 1px; background: #cfdadd; border: 1px solid #cfdadd; }
.capability-card { min-height: 420px; padding: 2rem; background: var(--white); display: flex; flex-direction: column; }
.capability-card.featured { background: linear-gradient(145deg, var(--cyan-deep), var(--ink) 82%); color: var(--white); }
.cap-number { color: var(--cyan); font-size: .75rem; font-weight: 800; letter-spacing: .12em; }
.capability-card h3 { margin: auto 0 1rem; font-size: 1.55rem; line-height: 1.12; letter-spacing: -.025em; }
.capability-card p { color: #63737b; font-size: .93rem; }
.capability-card.featured p { color: rgba(255,255,255,.66); }
.capability-card ul { padding: 1rem 0 0; margin: 0; list-style: none; border-top: 1px solid rgba(255,255,255,.17); }
.capability-card li { padding: .35rem 0; font-size: .82rem; color: rgba(255,255,255,.82); }

.projects { max-width: none; background: #111b22; color: var(--white); padding-left: max(24px, calc((100vw - var(--max))/2)); padding-right: max(24px, calc((100vw - var(--max))/2)); border-top: 9px solid var(--cyan); }
.section-heading.light > p { color: rgba(255,255,255,.55); }
.filters { display: flex; flex-wrap: wrap; gap: .55rem; margin: 0 0 2rem; }
.filter { padding: .65rem 1rem; border: 1px solid rgba(255,255,255,.18); background: transparent; color: rgba(255,255,255,.72); cursor: pointer; font-weight: 700; font-size: .78rem; text-transform: uppercase; letter-spacing: .06em; }
.filter:hover, .filter.active { color: var(--ink); background: var(--cyan); border-color: var(--cyan); }
.project-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1rem; }
.project-card { position: relative; min-height: 430px; overflow: hidden; background: #15303e; }
.project-card.project-wide { grid-column: span 2; }
.project-card[hidden] { display: none; }
.project-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform .55s ease; }
.project-card::after { content: ""; position: absolute; inset: 0; background: linear-gradient(0deg, rgba(3,20,29,.96) 0%, rgba(3,20,29,.12) 68%); }
.project-card > div { position: absolute; z-index: 2; inset: auto 0 0; padding: 1.6rem; }
.project-card span { color: var(--cyan); font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .1em; }
.project-card h3 { margin: .3rem 0 .35rem; font-size: 1.45rem; }
.project-card p { margin: 0; color: rgba(255,255,255,.62); font-size: .86rem; }
.project-card:hover img { transform: scale(1.04); }

.records { display: grid; grid-template-columns: 70px .8fr 1.25fr; gap: 2.5rem; }
.record-intro h2 { max-width: 440px; }
.record-list { margin: 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.record-list li { display: grid; grid-template-columns: 48px 1fr; gap: 1rem; padding: 1.2rem 0; border-bottom: 1px solid var(--line); }
.record-list li > span { color: var(--cyan-deep); font-size: .76rem; font-weight: 800; }
.record-list p { margin: 0; color: #5d6c73; }
.record-list strong { color: var(--ink); }

.fleet { min-height: 720px; display: grid; grid-template-columns: 1fr 1fr; background: var(--ink); color: var(--white); }
.fleet-image { overflow: hidden; min-height: 540px; }
.fleet-image img { width: 100%; height: 100%; object-fit: cover; }
.fleet-content { padding: clamp(4rem, 7vw, 7rem) max(24px, calc((100vw - var(--max))/2)); padding-left: clamp(3rem, 7vw, 7rem); }
.fleet-content > p:not(.eyebrow) { color: rgba(255,255,255,.64); max-width: 600px; }
.equipment-columns { display: grid; grid-template-columns: 1fr 1fr; gap: 1.4rem; margin-top: 2.5rem; }
.equipment-columns ul { list-style: none; padding: 0; margin: 0; border-top: 1px solid rgba(255,255,255,.18); }
.equipment-columns li { display: flex; justify-content: space-between; gap: 1rem; padding: .85rem 0; border-bottom: 1px solid rgba(255,255,255,.12); }
.equipment-columns strong { font-size: .84rem; }
.equipment-columns span { color: rgba(255,255,255,.5); font-size: .78rem; text-align: right; }

.standards { display: grid; grid-template-columns: 1fr 1fr; gap: 5rem; align-items: center; }
.standards-copy p:last-child { color: #596a72; max-width: 580px; }
.standards-panel { padding: 3.5rem; background: var(--mist); border-left: 6px solid var(--cyan); }
.standards-panel blockquote { margin: 0; font-size: clamp(1.5rem, 2.4vw, 2.2rem); line-height: 1.3; font-weight: 700; letter-spacing: -.025em; }
.standards-panel p { margin: 1.5rem 0 0; color: #66777f; font-size: .8rem; text-transform: uppercase; letter-spacing: .1em; }

.contact { padding: 110px max(24px, calc((100vw - var(--max))/2)); background: linear-gradient(125deg, #0183dc, #0874c4); display: grid; grid-template-columns: 1.4fr .6fr; gap: 5rem; color: var(--white); }
.contact .eyebrow { color: var(--white); opacity: .72; }
.contact h2 { font-size: clamp(3rem, 6vw, 6rem); }
.contact-email { display: inline-block; font-size: clamp(1.15rem, 2vw, 1.7rem); font-weight: 800; border-bottom: 2px solid var(--white); }
.contact .button-primary { background: var(--white); color: var(--cyan-deep); }
.contact .button-ghost { border-color: rgba(255,255,255,.65); color: var(--white); }
address { border-left: 1px solid rgba(255,255,255,.35); padding-left: 2.5rem; font-style: normal; display: flex; flex-direction: column; justify-content: center; gap: 2rem; }
address div { display: grid; gap: .25rem; }
address span { font-size: .7rem; font-weight: 800; text-transform: uppercase; letter-spacing: .12em; opacity: .62; }
address strong { font-size: 1rem; line-height: 1.55; }

footer { min-height: 110px; padding: 1.5rem max(24px, calc((100vw - var(--max))/2)); display: grid; grid-template-columns: 1fr auto auto auto; gap: 2rem; align-items: center; background: #04131c; color: rgba(255,255,255,.5); }
.footer-brand { color: var(--white); font-weight: 900; letter-spacing: -.02em; }
.footer-brand span { color: var(--cyan); }
footer p { margin: 0; font-size: .76rem; }
.designer-credit { padding-left: 1.5rem; border-left: 1px solid rgba(255,255,255,.16); font-size: .78rem; white-space: nowrap; transition: color .2s ease; }
.designer-credit strong { color: var(--cyan); }
.designer-credit:hover { color: var(--white); }

:focus-visible { outline: 3px solid #ffe66d; outline-offset: 4px; }

@media (max-width: 980px) {
  .nav-wrap { width: calc(100% - 32px); }
  .menu-toggle { display: block; }
  nav { display: none; position: absolute; left: 0; right: 0; top: 122px; padding: 1.2rem 24px 1.6rem; background: var(--white); border-bottom: 4px solid var(--cyan); box-shadow: 0 20px 35px rgba(9,35,49,.15); flex-direction: column; align-items: stretch; gap: .3rem; }
  nav.open { display: flex; }
  nav a { padding: .65rem 0; }
  .nav-cta { text-align: center; margin-top: .5rem; }
  .hero { min-height: 760px; height: auto; }
  .hero-content { margin-top: 100px; }
  .hero-index { grid-template-columns: repeat(2, 1fr); }
  .hero-index div { min-height: 84px; }
  .hero-index div:nth-child(3) { border-left: 1px solid rgba(255,255,255,.13); }
  .trust-strip { gap: 1rem 2rem; }
  .about, .records { grid-template-columns: 54px 1fr; }
  .about-copy, .record-list { grid-column: 2; padding-top: 0; }
  .section-heading { gap: 2rem; }
  .capability-grid { grid-template-columns: 1fr 1fr; }
  .capability-card { min-height: 340px; }
  .project-grid { grid-template-columns: 1fr 1fr; }
  .fleet { grid-template-columns: 1fr; }
  .fleet-image { height: 58vw; min-height: 420px; }
  .fleet-content { padding: 5rem 24px; }
  footer { grid-template-columns: 1fr; gap: .35rem; padding-top: 2rem; padding-bottom: 2rem; }
  .designer-credit { margin-top: .5rem; padding: .75rem 0 0; border-left: 0; border-top: 1px solid rgba(255,255,255,.16); }
}

@media (max-width: 680px) {
  .nav-wrap { height: 92px; }
  nav { top: 92px; }
  .brand { width: 178px; height: 84px; }
  .brand img { width: 166px; height: 80px; }
  .hero { min-height: 720px; align-items: flex-start; }
  .hero-content { width: calc(100% - 32px); margin-top: 100px; }
  h1 { font-size: clamp(3rem, 15.5vw, 5rem); }
  .hero-copy { font-size: 1rem; }
  .hero-actions .button { width: 100%; }
  .hero-index { padding: 0 16px; }
  .hero-index div { padding: .8rem; }
  .hero-index strong { font-size: 1.3rem; }
  .hero-index span { font-size: .64rem; }
  .trust-strip { justify-content: flex-start; }
  .section { padding: 76px 16px; }
  .about, .records { display: block; }
  .section-number { margin-bottom: 2rem; }
  h2 { font-size: clamp(2.35rem, 12vw, 3.5rem); }
  .identity-line { grid-template-columns: 1fr; gap: .2rem; }
  .identity-line strong { margin-bottom: .75rem; }
  .section-heading { display: block; }
  .section-heading > p { margin-top: 1.5rem; }
  .capability-grid { grid-template-columns: 1fr; }
  .capability-card { min-height: 320px; }
  .project-grid { grid-template-columns: 1fr; }
  .project-card, .project-card.project-wide { grid-column: auto; min-height: 390px; }
  .record-list { margin-top: 2rem; }
  .fleet-image { height: 72vw; min-height: 340px; }
  .equipment-columns { grid-template-columns: 1fr; }
  .standards { grid-template-columns: 1fr; gap: 2rem; }
  .standards-panel { padding: 2rem; }
  .contact { grid-template-columns: 1fr; padding: 76px 16px; gap: 3.5rem; }
  .contact .button { width: 100%; }
  address { border-left: 0; border-top: 1px solid rgba(255,255,255,.35); padding: 2rem 0 0; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}