:root {
  --ink: #03111a;
  --deep: #041c2a;
  --panel: #082b3a;
  --panel-2: #0b3543;
  --line: rgba(164, 226, 230, .18);
  --text: #edf9f8;
  --muted: #9db9bd;
  --aqua: #1cd6cf;
  --aqua-bright: #6cf5eb;
  --sand: #d9c391;
  --display: "Barlow Condensed", sans-serif;
  --body: "Inter", sans-serif;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--ink); color: var(--text); font-family: var(--body); font-size: 16px; line-height: 1.65; }
a { color: inherit; text-decoration: none; }
.skip-link { position: fixed; left: 1rem; top: -4rem; z-index: 100; background: var(--aqua); color: var(--ink); padding: .65rem 1rem; font-weight: 700; }
.skip-link:focus { top: 1rem; }
.site-header { position: absolute; z-index: 10; inset: 0 0 auto; height: 92px; display: flex; align-items: center; gap: clamp(.8rem, 2vw, 2rem); padding: 0 clamp(1.25rem, 4vw, 4.5rem); border-bottom: 1px solid rgba(255,255,255,.12); }
.brand { display: inline-flex; align-items: center; gap: .7rem; font-family: var(--display); font-size: 1.55rem; font-weight: 500; letter-spacing: .045em; }
.brand strong { color: var(--aqua); font-weight: 700; }
.brand-mark { width: 2.2rem; height: 2.2rem; fill: none; stroke: var(--aqua); stroke-width: 5; stroke-linecap: round; }
.primary-nav { margin-left: auto; display: flex; align-items: center; gap: clamp(1.2rem, 2.8vw, 2.8rem); font-size: .9rem; font-weight: 600; }
.primary-nav a:not(.nav-contact) { color: #c4d6d8; }
.primary-nav a:hover, .primary-nav a:focus-visible { color: var(--aqua-bright); }
.nav-contact { border: 1px solid var(--aqua); padding: .65rem 1rem; color: var(--aqua-bright); }
.nav-toggle { display: none; border: 1px solid var(--line); color: var(--text); background: transparent; padding: .55rem .8rem; font: 600 .9rem var(--body); }
.language-switch { display: inline-flex; align-items: center; gap: .4rem; flex: 0 0 auto; padding: .42rem .58rem; border: 1px solid var(--line); color: var(--muted); font-size: .78rem; font-weight: 700; letter-spacing: .08em; }
.language-switch a { min-width: 1.6rem; text-align: center; }
.language-switch a:hover, .language-switch a:focus-visible { color: var(--aqua-bright); }
.language-switch a[aria-current="page"] { color: var(--aqua-bright); }
.hero { min-height: 760px; height: 100svh; max-height: 980px; position: relative; overflow: hidden; display: grid; grid-template-columns: minmax(0, 1fr) minmax(250px, 360px); align-items: center; gap: 4rem; padding: 9rem clamp(1.25rem, 7vw, 8rem) 6rem; background-color: #04131d; background-image: linear-gradient(90deg, rgba(2,13,21,.38), rgba(2,13,21,.08)), url("assets/subsea-rov-hero.png"); background-position: 76% center; background-size: cover; }
.hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(180deg, rgba(1,9,14,.08) 50%, rgba(1,9,14,.82) 100%); pointer-events: none; }
.contours { position: absolute; inset: 0; opacity: .42; background-image: repeating-radial-gradient(ellipse at 78% 50%, transparent 0 42px, rgba(89,223,218,.11) 44px 45px, transparent 47px 72px); transform: scale(1.25) rotate(-6deg); }
.hero-copy, .depth-card, .hero-bottom { position: relative; z-index: 1; }
.eyebrow { margin: 0 0 1rem; color: var(--aqua); font-size: .75rem; line-height: 1.4; font-weight: 700; letter-spacing: .19em; text-transform: uppercase; }
h1,h2,h3,p { margin-top: 0; }
h1 { max-width: 850px; margin-bottom: 1.6rem; font-family: var(--display); font-size: clamp(4.4rem, 9.2vw, 9rem); line-height: .78; letter-spacing: -.035em; text-transform: uppercase; }
h1 span { color: transparent; -webkit-text-stroke: 1.5px var(--aqua-bright); }
.hero-lede { max-width: 660px; color: #c1d3d4; font-size: clamp(1.05rem, 1.5vw, 1.25rem); }
.hero-actions { display: flex; flex-wrap: wrap; gap: .85rem; margin-top: 2.2rem; }
.button { display: inline-flex; justify-content: center; align-items: center; min-height: 50px; padding: .75rem 1.2rem; font-size: .9rem; font-weight: 700; border: 1px solid transparent; transition: transform .2s ease, background .2s ease; }
.button:hover { transform: translateY(-2px); }
.button-primary { background: var(--aqua); color: #021115; }
.button-primary:hover { background: var(--aqua-bright); }
.button-secondary { border-color: rgba(255,255,255,.34); }
.button-secondary:hover { border-color: var(--aqua); color: var(--aqua-bright); }
.depth-card { align-self: center; justify-self: end; width: 100%; padding: 2rem; border: 1px solid var(--line); background: rgba(3,20,29,.62); backdrop-filter: blur(10px); }
.depth-label { color: var(--muted); font-size: .75rem; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }
.depth-card strong { display: block; margin: .8rem 0; font-family: var(--display); font-size: clamp(4.3rem, 7vw, 7rem); line-height: .9; color: var(--aqua-bright); }
.depth-card strong.depth-scalable { font-size: clamp(2.25rem, 3.8vw, 3.65rem); letter-spacing: -.025em; }
.depth-card strong span { margin-left: .35rem; font-size: 1.2rem; color: var(--muted); letter-spacing: .08em; }
.depth-rule { height: 1px; background: rgba(255,255,255,.12); margin: 1.5rem 0; }
.depth-rule i { display: block; width: 72%; height: 2px; background: var(--aqua); }
.depth-card p { margin-bottom: 0; color: #b8ced0; }
.hero-bottom { position: absolute; left: clamp(1.25rem, 7vw, 8rem); right: clamp(1.25rem, 7vw, 8rem); bottom: 2rem; display: flex; justify-content: space-between; color: var(--muted); font-size: .8rem; font-weight: 600; letter-spacing: .08em; text-transform: uppercase; }
.hero-bottom a { color: var(--aqua-bright); }
.section { padding: clamp(5rem, 10vw, 9rem) clamp(1.25rem, 7vw, 8rem); }
.section-heading { display: grid; grid-template-columns: 1fr 2fr; gap: 1rem 4rem; align-items: end; margin-bottom: 4rem; }
.section-heading .eyebrow { grid-column: 1 / -1; }
h2 { font-family: var(--display); font-size: clamp(3rem, 5vw, 5rem); line-height: .93; letter-spacing: -.02em; text-transform: uppercase; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p:last-child { max-width: 520px; margin: 0 0 .4rem auto; color: var(--muted); }
.services { background: #061a25; }
.service-grid { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); border-left: 1px solid var(--line); }
.service-card { min-height: 340px; display: flex; flex-direction: column; padding: 2rem; border-right: 1px solid var(--line); border-bottom: 1px solid var(--line); background: rgba(255,255,255,.012); }
.service-card.featured { background: var(--aqua); color: var(--ink); }
.card-number { font-family: var(--display); color: var(--aqua); font-size: 1.15rem; }
.featured .card-number { color: #075c5d; }
.service-card h3 { margin: auto 0 .8rem; font-family: var(--display); font-size: 2.15rem; line-height: 1; text-transform: uppercase; }
.service-card p { margin-bottom: 0; color: var(--muted); }
.service-card.featured p { color: #164e50; }
.capabilities { display: grid; grid-template-columns: .85fr 1.15fr; gap: clamp(3rem, 8vw, 8rem); background: linear-gradient(145deg, #052534, #03141e); }
.capability-intro { position: sticky; top: 2rem; align-self: start; }
.capability-intro p:last-child { max-width: 500px; color: var(--muted); }
.capability-list article { display: grid; grid-template-columns: 88px 1fr; gap: 1.5rem; padding: 2rem 0; border-top: 1px solid var(--line); }
.capability-list article:last-child { border-bottom: 1px solid var(--line); }
.cap-icon { width: 72px; height: 72px; display: grid; place-items: center; border: 1px solid var(--aqua); border-radius: 50%; color: var(--aqua-bright); font-family: var(--display); font-weight: 700; letter-spacing: .08em; }
.capability-list h3 { margin-bottom: .4rem; font-family: var(--display); font-size: 1.9rem; text-transform: uppercase; }
.capability-list p { margin-bottom: 0; color: var(--muted); }
.reach { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; align-items: center; min-height: 600px; background-color: #08202d; background-image: linear-gradient(rgba(28,214,207,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(28,214,207,.07) 1px, transparent 1px); background-size: 42px 42px; }
.reach-copy p:last-child { max-width: 600px; color: #b0c6c8; }
.coordinates { justify-self: end; width: min(100%, 520px); padding: clamp(2rem, 5vw, 4rem); border: 1px solid var(--aqua); background: rgba(3,17,26,.88); }
.coordinates span, .coordinates small { display: block; color: var(--muted); font-size: .75rem; font-weight: 700; letter-spacing: .13em; }
.coordinates strong { display: block; margin: 1rem 0; font-family: var(--display); font-size: clamp(3.2rem, 6vw, 5.8rem); line-height: .85; color: var(--aqua-bright); }
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 4rem; padding: clamp(5rem, 9vw, 8rem) clamp(1.25rem, 7vw, 8rem); background: var(--aqua); color: var(--ink); }
.contact .eyebrow { color: #075c5d; }
.contact h2 { margin-bottom: 1rem; }
.contact > div > p:last-child { max-width: 570px; color: #155154; }
.contact-actions { display: flex; flex-direction: column; justify-content: center; }
.contact-actions a { display: flex; justify-content: space-between; align-items: center; gap: 1rem; padding: 1.25rem 0; border-top: 1px solid rgba(3,17,26,.26); }
.contact-actions a:last-child { border-bottom: 1px solid rgba(3,17,26,.26); }
.contact-actions span { font-size: .75rem; font-weight: 700; letter-spacing: .14em; text-transform: uppercase; }
.contact-actions strong { font-family: var(--display); font-size: clamp(1.35rem, 2.4vw, 2rem); }
footer { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 2rem; padding: 2.5rem clamp(1.25rem, 7vw, 8rem); color: var(--muted); font-size: .8rem; }
footer p { margin: 0; }
.footer-brand { color: var(--text); }
@media (max-width: 900px) {
  .site-header { height: 76px; }
  .brand { margin-right: auto; }
  .nav-toggle { display: block; }
  .primary-nav { display: none; position: absolute; top: 76px; left: 0; right: 0; margin-left: 0; padding: 1.25rem; flex-direction: column; align-items: stretch; background: rgba(3,17,26,.98); border-bottom: 1px solid var(--line); }
  .primary-nav.open { display: flex; }
  .nav-contact { text-align: center; }
  .hero { height: auto; max-height: none; min-height: 820px; grid-template-columns: 1fr; align-content: center; gap: 2.5rem; padding-top: 8rem; background-position: 80% center; }
  .depth-card { justify-self: start; max-width: 430px; }
  .section-heading, .capabilities, .reach, .contact { grid-template-columns: 1fr; }
  .section-heading > p:last-child { margin-left: 0; }
  .service-grid { grid-template-columns: 1fr; }
  .service-card { min-height: 260px; }
  .capability-intro { position: static; }
  .coordinates { justify-self: start; }
  footer { grid-template-columns: 1fr; gap: 1rem; }
}
@media (max-width: 1180px) and (min-width: 901px) {
  .service-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .site-header { padding-inline: .8rem; gap: .55rem; }
  .brand { gap: .45rem; font-size: 1.25rem; }
  .brand-mark { width: 1.8rem; height: 1.8rem; }
  .language-switch { padding: .36rem .42rem; gap: .2rem; }
  .nav-toggle { padding: .48rem .58rem; }
  h1 { font-size: clamp(4rem, 20vw, 6rem); }
  .hero { min-height: 900px; }
  .hero-bottom { align-items: flex-end; gap: 1rem; }
  .hero-bottom span { max-width: 130px; }
  .capability-list article { grid-template-columns: 1fr; }
  .contact-actions a { align-items: flex-start; flex-direction: column; gap: .2rem; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } .button { transition: none; } }