:root {
  --night: #173a42;
  --petrol: #2c5b66;
  --cyan: #6f9da6;
  --yellow: #f4bf26;
  --paper: #ffffff;
  --ink: #234a53;
  --muted: #657b80;
  --line: #cfd6d4;
  --error: #a12e2e;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 108px; }
body { margin: 0; overflow-x: hidden; background: var(--paper); color: var(--ink); font-family: Arial, Helvetica, sans-serif; }
body.menu-open { overflow: hidden; }
img { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
h1, h2, h3, p { margin-top: 0; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }

.skip-link { position: fixed; z-index: 100; left: 20px; top: -70px; padding: 12px 18px; background: var(--yellow); color: var(--night); font-weight: 900; transition: top .2s; }
.skip-link:focus { top: 12px; }

.site-header { position: fixed; inset: 0 0 auto; z-index: 50; height: 108px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; padding: 0 4vw; color: var(--petrol); background: rgba(255,255,255,.975); backdrop-filter: blur(16px); border-bottom: 1px solid rgba(44,91,102,.15); transition: box-shadow .2s, height .2s; }
.site-header.is-scrolled { box-shadow: 0 10px 30px rgba(9,40,47,.1); }
.brand { width: 244px; height: 104px; display: flex; align-items: center; overflow: visible; flex: none; line-height: 0; }
.brand img { width: 234px; height: auto; max-height: 100%; object-fit: contain; object-position: left center; }
.site-header nav { display: flex; gap: clamp(18px, 3vw, 44px); font-weight: 800; font-size: .77rem; letter-spacing: .12em; text-transform: uppercase; }
.site-header nav a { position: relative; padding: 30px 0; }
.site-header nav a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 22px; height: 3px; background: var(--yellow); transition: right .25s; }
.site-header nav a:hover::after, .site-header nav a:focus-visible::after { right: 0; }
.header-cta { justify-self: end; display: flex; align-items: center; gap: 8px; background: var(--yellow); color: var(--night); padding: 12px 17px; font-weight: 900; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; }
.menu-button { display: none; width: 44px; height: 44px; padding: 11px 9px; border: 0; background: var(--yellow); color: var(--night); cursor: pointer; }
.menu-button span { display: block; height: 2px; margin: 5px 0; background: currentColor; transition: transform .2s, opacity .2s; }
.menu-button[aria-expanded="true"] span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.menu-button[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.menu-button[aria-expanded="true"] span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

.hero { position: relative; min-height: 100svh; overflow: hidden; display: grid; grid-template-columns: minmax(0,1.15fr) minmax(320px,.85fr); align-items: center; padding: 150px 7vw 90px; background: var(--night); color: white; }
.hero::after { content: ""; position: absolute; right: -8%; top: -8%; width: 25%; height: 125%; background: var(--yellow); transform: skewX(-7deg); }
.hero-grid { position: absolute; inset: 0; opacity: .13; background-image: linear-gradient(rgba(255,255,255,.08) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.08) 1px,transparent 1px); background-size: 58px 58px; -webkit-mask-image: linear-gradient(to right,black,transparent 75%); mask-image: linear-gradient(to right,black,transparent 75%); }
.hero-copy { position: relative; z-index: 2; max-width: 850px; }
.eyebrow { display: flex; align-items: center; gap: 12px; margin: 0 0 26px; font-size: .76rem; font-weight: 900; letter-spacing: .19em; line-height: 1.4; text-transform: uppercase; }
.eyebrow > span { width: 38px; height: 5px; flex: none; background: var(--yellow); }
.eyebrow.dark { color: var(--petrol); }
.eyebrow.light { color: white; }
.hero-title { margin: 0; padding-top: .08em; font-family: "Arial Narrow", Impact, Arial, sans-serif; font-size: clamp(4.6rem,10vw,9.6rem); letter-spacing: -.065em; line-height: 1; font-weight: 950; }
.hero-title span, .hero-title em { display: block; line-height: 1.02; }
.hero-title em, .section-heading h2 em, .service-title-row h2 em, .transmission h2 em, .engineering h2 em, .closing h2 em { color: var(--yellow); font-style: normal; }
.hero-lead { max-width: 680px; margin: 42px 0 0; font-size: clamp(1rem,1.5vw,1.3rem); line-height: 1.65; color: #d9e6e6; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 38px; }
.button { min-height: 54px; padding: 0 22px; display: inline-flex; align-items: center; justify-content: center; gap: 12px; font-size: .79rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; border: 1px solid rgba(255,255,255,.25); transition: background .2s, color .2s, border-color .2s; }
.button-primary { background: var(--yellow); color: var(--night); border-color: var(--yellow); }
.button-primary:hover, .button-primary:focus-visible { background: white; border-color: white; }
.button-ghost:hover, .button-ghost:focus-visible { background: white; color: var(--night); }
.hero-mark { position: relative; z-index: 2; min-height: 480px; display: grid; place-items: center; }
.hero-mark img { width: clamp(275px,27vw,410px); height: auto; transform: translateX(clamp(-120px,-6vw,-60px)); filter: drop-shadow(0 28px 34px rgba(7,27,32,.36)) drop-shadow(0 0 30px rgba(244,191,38,.11)); }
.scroll-cue { position: absolute; z-index: 3; left: 7vw; bottom: 30px; display: flex; align-items: center; gap: 15px; font-size: .68rem; letter-spacing: .24em; font-weight: 900; text-transform: uppercase; }

.section-pad { padding: clamp(80px,10vw,150px) 7vw; }
.section-heading { display: grid; grid-template-columns: .8fr 1.2fr; gap: 40px; align-items: end; }
.section-heading h2, .service-title-row h2, .transmission h2, .engineering h2, .closing h2 { padding-top: .07em; font-family: "Arial Narrow", Impact, Arial, sans-serif; font-size: clamp(3.1rem,7vw,7rem); line-height: 1.01; letter-spacing: -.055em; margin: 0; font-weight: 950; }
.section-heading h2 em { color: var(--petrol); }
.dual-intro { background: var(--paper); }
.dual-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-top: 80px; }
.unit-card { position: relative; min-height: 480px; overflow: hidden; padding: 48px; color: white; clip-path: polygon(0 8%,100% 0,94% 92%,6% 100%); transition: transform .25s; }
.unit-card:hover, .unit-card:focus-visible { transform: translateY(-8px); }
.unit-dark { background: var(--night); }
.unit-petrol { background: var(--petrol); }
.unit-number { display: block; color: var(--yellow); font-size: 4.8rem; line-height: 1; font-weight: 950; }
.unit-card > p { margin: 30px 0 9px; font-size: .72rem; letter-spacing: .18em; font-weight: 900; text-transform: uppercase; }
.unit-card h3 { padding-top: .06em; font-family: "Arial Narrow", Impact, Arial, sans-serif; font-size: clamp(2.7rem,5vw,5.3rem); line-height: 1.03; letter-spacing: -.05em; margin: 0; }
.unit-copy { display: block; max-width: 380px; margin-top: 36px; line-height: 1.7; color: #d9e6e6; }
.unit-arrow { position: absolute; right: 55px; bottom: 62px; color: var(--yellow); font-size: 2.6rem; }
.continuity { margin-top: 70px; border-top: 6px solid var(--yellow); padding-top: 30px; display: grid; grid-template-columns: .7fr 1.3fr; gap: 30px; }
.continuity strong { font-size: 1.4rem; text-transform: uppercase; }
.continuity p { color: var(--muted); line-height: 1.6; }
.process-line { grid-column: 1/-1; display: grid; grid-template-columns: repeat(5,1fr); border-top: 2px solid var(--petrol); padding-top: 18px; }
.process-line span { display: flex; gap: 10px; font-weight: 900; text-transform: uppercase; font-size: .78rem; }
.process-line b { color: #d69800; }

.services { background: var(--night); color: white; }
.service-title-row { display: grid; grid-template-columns: 1.3fr .7fr; gap: 60px; align-items: end; }
.service-title-row > p { max-width: 430px; line-height: 1.7; color: #c7d8da; }
.service-list { margin-top: 70px; border-top: 1px solid rgba(255,255,255,.16); }
.service-row { display: grid; grid-template-columns: 90px 52px minmax(220px,.75fr) minmax(300px,1.25fr); gap: 28px; align-items: start; padding: 42px 0; border-bottom: 1px solid rgba(255,255,255,.16); transition: padding .2s, background .2s; }
.service-row:hover { background: rgba(255,255,255,.025); padding-left: 18px; padding-right: 18px; }
.service-number { font-size: 2.6rem; font-weight: 950; color: var(--yellow); }
.service-icon { color: var(--cyan); font-size: 2.2rem; font-weight: 900; }
.service-row h3 { padding-top: .06em; font-family: "Arial Narrow", Impact, Arial, sans-serif; font-size: 1.5rem; line-height: 1.1; text-transform: uppercase; letter-spacing: -.02em; }
.service-row ul, .engineering-card ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 11px; color: #c7d8da; line-height: 1.45; }
.service-row li::before, .engineering-card li::before { content: ""; display: inline-block; width: 9px; height: 3px; margin: 0 12px 4px 0; background: var(--yellow); }

.transmission { position: relative; overflow: hidden; background: var(--paper); }
.transmission::before { content: "01"; position: absolute; right: 4vw; top: 30px; color: rgba(44,91,102,.08); font-size: 24rem; font-weight: 950; line-height: 1; }
.transmission-top { position: relative; display: flex; justify-content: space-between; align-items: end; }
.transmission h2 em { color: var(--yellow); text-shadow: 2px 2px 0 var(--petrol); }
.transmission-symbol { width: 220px; height: 220px; display: grid; place-items: center; align-content: center; gap: 4px; background: var(--yellow); color: var(--night); clip-path: polygon(15% 0,100% 12%,85% 100%,0 88%); }
.transmission-symbol span { font-size: 4rem; line-height: .7; }
.transmission-symbol b { font-size: 3rem; line-height: 1; }
.transmission-content { position: relative; display: grid; grid-template-columns: .65fr 1.35fr; gap: 8vw; margin-top: 80px; align-items: start; }
.transmission-statement { background: var(--petrol); color: white; padding: 50px; min-height: 320px; display: flex; flex-direction: column; justify-content: space-between; }
.map-mark { font-size: 3rem; color: var(--yellow); }
.transmission-statement p { font-size: 1.6rem; text-transform: uppercase; line-height: 1.2; }
.transmission-statement strong { font-size: 2.25rem; color: var(--yellow); }
.transmission-content h3 { padding-top: .06em; font-family: "Arial Narrow", Impact, Arial, sans-serif; font-size: 2rem; line-height: 1.1; text-transform: uppercase; border-bottom: 5px solid var(--petrol); padding-bottom: 18px; }
.check-list { list-style: none; padding: 0; display: grid; gap: 20px; }
.check-list li { display: flex; gap: 13px; line-height: 1.45; }
.check-list span { color: var(--petrol); flex: none; font-weight: 950; }
.transmission-tags { display: grid; grid-template-columns: repeat(4,1fr); margin-top: 70px; border-top: 1px solid #b9c6c4; border-bottom: 1px solid #b9c6c4; }
.transmission-tags span { display: flex; align-items: center; gap: 10px; padding: 22px 16px; font-weight: 900; font-size: .79rem; text-transform: uppercase; border-right: 1px solid #b9c6c4; }
.transmission-tags span:last-child { border: 0; }

.engineering { background: var(--yellow); }
.engineering-head { display: grid; grid-template-columns: .7fr 1.3fr; align-items: end; gap: 40px; }
.engineering-head .eyebrow { align-self: start; }
.engineering-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 22px; margin-top: 70px; }
.engineering-card { background: var(--paper); padding: 38px; min-height: 380px; border: 1px solid rgba(6,31,37,.19); transition: transform .2s, box-shadow .2s; }
.engineering-card:hover { transform: translate(-5px,-5px); box-shadow: 9px 9px 0 var(--night); }
.card-top { display: flex; justify-content: space-between; align-items: start; }
.card-top span { font-size: 3.6rem; font-weight: 950; }
.card-top b { font-size: 2.2rem; color: var(--petrol); }
.engineering-card h3 { padding-top: .06em; font-family: "Arial Narrow", Impact, Arial, sans-serif; font-size: 1.55rem; line-height: 1.1; text-transform: uppercase; border-bottom: 5px solid var(--yellow); padding-bottom: 17px; }
.engineering-card ul { color: var(--ink); }
.sector-strip { margin-top: 50px; display: grid; grid-template-columns: repeat(5,1fr); background: var(--night); color: white; }
.sector-strip span { min-height: 92px; padding: 20px; display: flex; align-items: center; justify-content: center; gap: 10px; border-right: 1px solid rgba(255,255,255,.13); font-size: .79rem; font-weight: 900; text-transform: uppercase; }

.closing { min-height: 900px; display: grid; grid-template-columns: .82fr 1.18fr; align-items: center; gap: 7vw; padding: 120px 7vw; background: var(--night); color: white; }
.closing-copy > p:nth-of-type(2) { max-width: 620px; margin-top: 36px; color: #c7d8da; font-size: 1.15rem; line-height: 1.65; }
.contact-direct { display: grid; gap: 12px; margin-top: 44px; }
.contact-direct a { width: max-content; display: grid; gap: 4px; padding-left: 16px; border-left: 4px solid var(--yellow); }
.contact-direct small, .contact-kicker { text-transform: uppercase; letter-spacing: .16em; font-size: .69rem; font-weight: 900; color: var(--yellow); }
.contact-direct strong { font-size: 1.02rem; }
.contact-panel { min-width: 0; }
.contact-form, .contact-success { position: relative; background: var(--paper); color: var(--ink); padding: clamp(28px,4vw,52px); box-shadow: 18px 18px 0 var(--yellow); }
.contact-form::before, .contact-success::before { content: ""; position: absolute; inset: 0 0 auto; height: 7px; background: var(--yellow); }
.contact-form-head { border-bottom: 1px solid var(--line); padding-bottom: 25px; margin-bottom: 28px; }
.contact-form-head h3, .contact-success h3 { padding-top: .08em; font-family: "Arial Narrow", Impact, Arial, sans-serif; font-size: clamp(2rem,3.5vw,3.15rem); line-height: 1.09; letter-spacing: -.045em; text-transform: uppercase; margin: 8px 0 13px; }
.contact-form-head > p:last-child, .contact-success > p { color: var(--muted); line-height: 1.55; margin-bottom: 0; }
.contact-fields { display: grid; grid-template-columns: 1fr 1fr; gap: 20px 18px; }
.contact-field { display: grid; gap: 9px; }
.contact-field-wide { grid-column: 1/-1; }
.contact-field label, .contact-consent { font-size: .72rem; font-weight: 900; letter-spacing: .09em; }
.contact-field label { text-transform: uppercase; }
.contact-field input, .contact-field select, .contact-field textarea { width: 100%; height: 48px; border: 1px solid #aebcba; border-radius: 0; background: #f7f9f8; color: var(--ink); padding: 0 14px; outline: none; }
.contact-field input:focus, .contact-field select:focus, .contact-field textarea:focus { border-color: var(--petrol); box-shadow: 0 0 0 3px rgba(44,91,102,.13); }
.contact-field textarea { min-height: 126px; padding: 13px 14px; resize: vertical; }
.contact-consent { display: flex; align-items: flex-start; gap: 11px; margin-top: 22px; line-height: 1.45; letter-spacing: 0; color: var(--muted); cursor: pointer; }
.contact-consent input { width: 18px; height: 18px; flex: none; margin: 0; accent-color: var(--petrol); }
.contact-honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }
.contact-submit { width: 100%; height: 54px; margin-top: 24px; border: 0; border-radius: 0; background: var(--yellow); color: var(--night); font-weight: 950; text-transform: uppercase; letter-spacing: .1em; cursor: pointer; transition: background .2s, color .2s; }
.contact-submit:hover, .contact-submit:focus-visible { background: var(--petrol); color: white; }
.contact-submit:disabled { opacity: .55; cursor: wait; }
.contact-note { text-align: center; color: var(--muted); font-size: .75rem; margin: 12px 0 0; }
.contact-status { display: none; padding: 12px; margin: 18px 0 0; font-size: .84rem; }
.contact-status.is-error { display: block; background: #fff0f0; color: var(--error); border-left: 4px solid #c43d3d; }
.contact-status.is-info { display: block; background: #eef5f6; color: var(--petrol); border-left: 4px solid var(--petrol); }
.contact-error { background: #fff0f0; color: var(--error); border-left: 4px solid #c43d3d; padding: 12px; font-size: .84rem; }
.success-mark { display: grid; place-items: center; width: 50px; height: 50px; border: 3px solid var(--petrol); border-radius: 50%; color: var(--petrol); font-size: 1.7rem; font-weight: 950; }
.contact-success-actions { display: grid; gap: 12px; margin-top: 30px; }
.contact-success-actions a { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 12px; min-height: 58px; padding: 12px 16px; border: 1px solid #aebcba; font-weight: 900; font-size: .82rem; text-transform: uppercase; letter-spacing: .06em; transition: background .2s, border-color .2s; }
.contact-success-actions a.preferred, .contact-success-actions a:hover { background: var(--yellow); border-color: var(--yellow); color: var(--night); }
.contact-reset { margin-top: 24px; padding: 0; border: 0; background: transparent; color: var(--petrol); font-weight: 900; text-transform: uppercase; letter-spacing: .08em; text-decoration: underline; cursor: pointer; }
[hidden] { display: none !important; }

footer { min-height: 200px; display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 40px; padding: 25px 7vw; background: var(--paper); color: var(--petrol); font-size: .75rem; font-weight: 900; text-transform: uppercase; letter-spacing: .12em; }
footer a { width: 260px; height: 130px; display: flex; align-items: center; overflow: visible; }
footer img { width: 260px; height: auto; object-fit: contain; }

.reveal { opacity: 1; transform: none; }
.js .reveal { opacity: 0; transform: translateY(24px); transition: opacity .7s ease, transform .7s ease; }
.js .reveal.is-visible { opacity: 1; transform: translateY(0); }

@media (max-width: 900px) {
  html { scroll-padding-top: 96px; }
  .site-header { height: 96px; grid-template-columns: 1fr auto auto; padding: 0 24px; }
  .brand { width: 210px; height: 92px; }
  .brand img { width: 205px; }
  .menu-button { display: block; justify-self: end; }
  .site-header nav { position: fixed; inset: 96px 0 auto; display: grid; gap: 0; padding: 18px 24px 28px; background: white; border-bottom: 1px solid var(--line); box-shadow: 0 20px 30px rgba(9,40,47,.1); transform: translateY(-130%); opacity: 0; visibility: hidden; transition: transform .25s, opacity .25s, visibility .25s; }
  .site-header nav.is-open { transform: translateY(0); opacity: 1; visibility: visible; }
  .site-header nav a { padding: 16px 0; border-bottom: 1px solid var(--line); }
  .site-header nav a::after { display: none; }
  .header-cta { margin-left: 10px; font-size: 0; padding: 11px 14px; }
  .header-cta span { font-size: 1.2rem; }
  .hero { grid-template-columns: 1fr; padding-top: 145px; }
  .hero-mark { display: none; }
  .hero::after { width: 13%; right: -8%; }
  .section-heading, .engineering-head, .service-title-row, .transmission-content, .closing { grid-template-columns: 1fr; }
  .section-heading { gap: 25px; }
  .dual-grid { grid-template-columns: 1fr; }
  .unit-card { min-height: 410px; }
  .continuity { grid-template-columns: 1fr; }
  .process-line { overflow-x: auto; gap: 40px; }
  .process-line span { min-width: 110px; }
  .service-row { grid-template-columns: 68px 42px 1fr; }
  .service-row ul { grid-column: 3; }
  .service-row h3 { align-self: center; }
  .transmission-symbol { display: none; }
  .transmission-tags { grid-template-columns: 1fr 1fr; }
  .transmission-tags span:nth-child(2) { border-right: 0; }
  .engineering-grid { grid-template-columns: 1fr; }
  .sector-strip { grid-template-columns: 1fr 1fr; }
  .sector-strip span:last-child { grid-column: 1/-1; }
  footer { grid-template-columns: 1fr; text-align: center; justify-items: center; gap: 12px; }
}

@media (max-width: 560px) {
  .site-header { padding: 0 16px; }
  .brand { width: 176px; }
  .brand img { width: 172px; }
  .menu-button { width: 40px; height: 40px; }
  .header-cta { display: none; }
  .hero { padding: 142px 22px 88px; }
  .hero-title { font-size: clamp(3.8rem,20vw,5.2rem); letter-spacing: -.055em; }
  .hero-actions { display: grid; }
  .scroll-cue { left: 22px; }
  .section-pad { padding: 76px 22px; }
  .section-heading h2, .service-title-row h2, .transmission h2, .engineering h2, .closing h2 { font-size: clamp(3rem,15.5vw,4.1rem); }
  .unit-card { padding: 36px 30px; clip-path: polygon(0 4%,100% 0,96% 96%,4% 100%); }
  .unit-card h3 { font-size: 3.2rem; }
  .process-line { grid-template-columns: repeat(5,120px); }
  .service-row { grid-template-columns: 54px 1fr; gap: 16px; }
  .service-icon, .service-row h3, .service-row ul { grid-column: 2; }
  .service-number { grid-row: 1/4; }
  .transmission-content { gap: 35px; }
  .transmission-statement { min-height: 260px; padding: 35px; }
  .transmission-statement strong { font-size: 1.8rem; }
  .transmission-tags { grid-template-columns: 1fr; }
  .transmission-tags span { border-right: 0; border-bottom: 1px solid #b9c6c4; }
  .engineering-card { padding: 28px; min-height: 0; }
  .sector-strip { grid-template-columns: 1fr; }
  .sector-strip span { border-right: 0; border-bottom: 1px solid rgba(255,255,255,.13); }
  .sector-strip span:last-child { grid-column: auto; }
  .closing { padding: 85px 22px; min-height: 650px; }
  .contact-fields { grid-template-columns: 1fr; }
  .contact-field-wide { grid-column: auto; }
  .contact-form, .contact-success { padding: 30px 22px; box-shadow: 9px 9px 0 var(--yellow); }
  .contact-direct a { width: 100%; overflow-wrap: anywhere; }
  footer a, footer img { width: 230px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
  .js .reveal { opacity: 1; transform: none; }
}

@media print {
  .site-header, .hero-actions, .scroll-cue, .contact-form, .contact-success { display: none !important; }
  .hero, .services, .closing { min-height: auto; print-color-adjust: exact; -webkit-print-color-adjust: exact; }
  .section-pad, .closing { padding: 40px; }
}