@charset "UTF-8";
:root{--navy:#082757;--deep:#061c40;--blue:#103d80;--yellow:#ffda43;--ink:#112e52;--muted:#52667c;--paper:#f5f8fc;--line:#d7e1eb;--font:Arial,"Helvetica Neue",sans-serif}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:110px}
body{margin:0;font-family:var(--font);font-size:1rem;line-height:1.55;color:var(--ink);background:white;-webkit-font-smoothing:antialiased}
a{color:inherit;text-decoration:none}
button,a{-webkit-tap-highlight-color:transparent}
a:focus-visible{outline:3px solid #1688f4;outline-offset:6px}
h1,h2,p,figure{margin:0}
h1,h2{font-weight:750;letter-spacing:-.045em;line-height:1.05}
h2{font-size:clamp(2.35rem,3.7vw,3.65rem)}
ul{list-style:none;margin:0;padding:0}
svg{width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round;flex:none}
.container{width:min(1280px,calc(100% - 112px));margin-inline:auto}
.section-pad{padding-block:108px}
.eyebrow{font-size:.875rem;font-weight:700;letter-spacing:.13em;text-transform:uppercase;line-height:1.5;margin-bottom:24px}
.skip-link{position:fixed;left:20px;top:-100px;padding:12px 20px;background:var(--yellow);color:var(--navy);z-index:100}
.skip-link:focus{top:12px}
.site-header{background:var(--navy);color:white;position:sticky;top:0;z-index:20;border-bottom:1px solid #ffffff20}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:93px}
.brand{font-size:1.75rem;font-weight:800;letter-spacing:-.07em;white-space:nowrap;line-height:1.1}
.brand span{color:var(--yellow);margin-left:5px}
nav{display:flex;align-items:center;gap:30px}
nav a{font-size:.875rem;position:relative;padding-block:12px;white-space:nowrap;color:#e1e9f5}
nav a:hover{color:var(--yellow)}
.header-call{display:flex;align-items:center;gap:12px;font-size:.9375rem;font-weight:700;white-space:nowrap;border:1px solid #ffffff40;padding:11px 17px;border-radius:3px;transition:background .2s,border-color .2s}
.header-call:hover{background:#ffffff10;border-color:var(--yellow)}
.header-call svg{width:17px;height:17px;color:var(--yellow)}
.promo-banner{background:var(--yellow);color:var(--deep);text-align:center;font-size:.8125rem;font-weight:700;letter-spacing:.09em;text-transform:uppercase;padding:10px 20px}
.hero{position:relative;color:white;overflow:hidden;width:100%;min-height:88vh;display:flex;flex-direction:column;background:linear-gradient(100deg,rgba(4,18,42,.8) 0%,rgba(4,18,42,.45) 48%,rgba(4,18,42,.18) 100%),url("assets/Thames Background.jpeg") center/cover no-repeat}
.hero-grid{flex:1;display:flex;align-items:center;justify-content:center;padding-block:70px}
.hero-copy{max-width:640px;text-align:center;margin-inline:auto}
.hero .eyebrow{color:var(--yellow);margin-bottom:22px}
h1{font-size:clamp(3.25rem,5.2vw,5rem);line-height:1.03;letter-spacing:-.045em}
h1 span{color:var(--yellow)}
.hero-description{max-width:390px;font-size:1.125rem;line-height:1.65;margin-top:29px;margin-inline:auto;color:#dbe6f4}
.button{display:inline-flex;align-items:center;justify-content:center;gap:24px;padding:17px 24px;font-size:1rem;font-weight:700;border-radius:3px;transition:background .2s,transform .2s}
.button:hover{transform:translateY(-2px);background:#ffe779}
.button-yellow{background:var(--yellow);color:var(--deep);margin-top:31px;margin-inline:auto}
.button span{font-size:1.4rem;line-height:1}
.text-link{font-size:.875rem;font-weight:600}
.hero-link{display:flex;align-items:center;justify-content:center;gap:13px;margin-top:22px;margin-inline:auto;width:fit-content;color:#dbe6f4}
.hero-link:hover{color:var(--yellow)}
.artwork-photo{position:relative;overflow:hidden;background-image:url('assets/hullscrub-artwork.png');background-repeat:no-repeat;background-color:var(--blue)}
.hero-bottom{margin-top:auto;padding:25px 0 28px;border-top:1px solid #ffffff25;display:flex;justify-content:space-between;gap:22px;font-size:1rem;font-weight:600;letter-spacing:.01em;color:#c8d8ec}
.hero-bottom span:before{content:"";display:inline-block;width:17px;height:2px;background:var(--yellow);margin-right:12px;vertical-align:middle}
.benefits-grid{display:grid;grid-template-columns:1fr 1.45fr;gap:80px}
.section-intro .eyebrow,.process .eyebrow,.coverage .eyebrow{color:#41678c}
.yellow-rule{display:block;width:64px;height:4px;background:var(--yellow);margin-top:33px}
.benefit-list li{display:flex;align-items:flex-start;gap:18px;padding:20px 0;border-bottom:1px solid var(--line)}
.benefit-list li:first-child{padding-top:0}
.benefit-list li:last-child{border:0;padding-bottom:0}
.benefit-list p{font-size:1.125rem;font-weight:600;line-height:1.5}
.muted{color:var(--muted);font-weight:400}
.check{display:grid;place-items:center;border-radius:50%;width:25px;height:25px;font-size:.875rem;color:var(--navy);background:#fff0af;flex:none;margin-top:2px;font-weight:700}
.vessels{padding-block:86px;background:var(--blue);color:white}
.vessels-grid{display:grid;grid-template-columns:1.03fr 1fr;gap:90px;align-items:center}
.robot-frame{border:1px solid #ffffff30;position:relative}
.robot-photo{aspect-ratio:510/326;background-image:url('assets/KeelCrab-1.jpeg');background-size:cover;background-position:center}
.robot-frame figcaption{padding:24px 26px;background:var(--navy);display:flex;flex-direction:column;gap:8px;font-size:1.125rem;font-weight:600}
.robot-frame .eyebrow{margin:0;font-size:.75rem;color:var(--yellow);font-weight:600}
.vessels-copy>.eyebrow{color:var(--yellow)}
.vessels h2{margin-bottom:28px}
.vessel-list li{display:flex;align-items:center;gap:22px;font-size:1.125rem;padding:14px 0;border-bottom:1px solid #ffffff25}
.vessel-list li:last-child{border:0;padding-bottom:0}
.list-bullet{font-size:1.25rem;color:var(--yellow);line-height:1}
.process-grid{display:grid;grid-template-columns:1fr 1.13fr;gap:90px;align-items:center}
.body-copy{font-size:1.125rem;line-height:1.7;color:var(--muted);margin-top:27px;max-width:420px}
.monitoring-note{border-top:1px solid var(--line);margin-top:28px;padding-top:23px;display:flex;gap:16px;align-items:flex-start;max-width:420px}
.monitoring-note svg{width:26px;height:26px;color:#255a96;margin-top:3px}
.monitoring-note p{font-size:1rem;line-height:1.6;font-weight:600}
.operator-frame{position:relative;border-bottom:4px solid var(--yellow)}
.operator-photo{aspect-ratio:463/308;background-size:241.4687% auto;background-position:98.4733% 81.8314%}
.operator-frame figcaption{padding:24px 26px;background:var(--navy);display:flex;flex-direction:column;gap:8px;font-size:1.125rem;font-weight:600;color:white}
.operator-frame .eyebrow{margin:0;font-size:.75rem;color:var(--yellow);font-weight:600}
.coverage{background:var(--paper);padding-block:58px;border-top:1px solid var(--line)}
.coverage-grid{display:grid;grid-template-columns:1fr 1.3fr;gap:60px;align-items:center}
.coverage .eyebrow{margin-bottom:13px}
.coverage h2{font-size:2rem;letter-spacing:-.04em}
.coverage-locations ul{display:flex;flex-wrap:wrap;gap:2px 0;font-size:1.125rem;font-weight:600;line-height:1.2}
.coverage-locations li:not(:last-child):after{content:"·";display:inline-block;margin-inline:12px;color:#8193aa}
.coverage-locations p{font-size:1.125rem;font-weight:600;color:var(--ink);margin-top:4px}
.contact{background:var(--yellow);color:var(--deep);padding-block:73px}
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:55px;align-items:center}
.contact .eyebrow{margin-bottom:17px;font-size:.75rem;letter-spacing:.1em}
.contact h2{font-size:clamp(2.5rem,3.8vw,3.75rem)}
.contact-action{padding-left:35px;border-left:1px solid #08275740;min-width:0}
.contact-action>span{font-size:1rem}
.contact-number{display:flex;align-items:center;gap:26px;font-size:clamp(1.5rem,3.1vw,3rem);font-weight:750;letter-spacing:-.05em;line-height:1.4;margin-top:12px;width:fit-content}
.contact-number:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:8px}
.contact-number span{font-weight:400}
.site-footer{background:var(--deep);color:white;padding-block:36px}
.footer-inner{display:flex;align-items:center;justify-content:space-between;gap:30px}
.site-footer .brand{font-size:1.35rem}
.site-footer p{font-size:.875rem;color:#afc1d8}
.back-top{font-size:.875rem;color:#afc1d8;white-space:nowrap}
.back-top span{margin-left:9px;color:var(--yellow)}
@media(max-width:1150px){.container{width:calc(100% - 72px)}.header-inner{gap:20px}.brand{font-size:1.5rem}nav{gap:20px}.header-call{font-size:.875rem;padding:10px 12px;gap:8px}.benefits-grid,.vessels-grid,.process-grid{gap:50px}.section-pad{padding-block:85px}.contact-grid{gap:30px}.contact-action{padding-left:26px}.footer-inner{flex-wrap:wrap;gap:20px}.site-footer p{margin-left:auto}}
@media(max-width:900px){.header-call{display:none}.hero-grid{padding-top:60px}h1{font-size:clamp(2.6rem,5.7vw,3.75rem)}.hero .eyebrow{font-size:.75rem}.hero-description{font-size:1rem}.hero-bottom{font-size:.875rem}.hero-bottom span:before{width:10px;margin-right:8px}.benefits-grid{grid-template-columns:1fr 1.3fr;gap:36px}.vessels-grid,.process-grid{gap:35px}.vessels{padding-block:65px}.vessel-list li{font-size:1rem;gap:15px}.coverage-grid{grid-template-columns:1fr;gap:25px}.contact-grid{grid-template-columns:1fr 1fr}.contact-number{font-size:1.9rem;gap:12px}.site-footer .back-top{display:none}}
@media(max-width:680px){html{scroll-padding-top:126px}.container{width:calc(100% - 40px)}.header-inner{min-height:105px;flex-direction:column;justify-content:center;gap:7px;padding-block:17px 8px}.brand{font-size:1.7rem}nav{gap:25px}nav a{font-size:.875rem;padding-block:7px}.hero-grid{padding-block:43px 27px}.hero .eyebrow{font-size:.75rem;letter-spacing:.12em}h1{font-size:clamp(2.75rem,11vw,4.4rem);line-height:1.03}.hero-description{font-size:1.0625rem;max-width:360px;margin-top:23px}.button{padding:16px 22px;margin-top:25px}.hero-link{display:inline-flex;margin-left:20px;margin-top:18px}.hero-bottom{padding-block:21px 24px;gap:12px;align-items:flex-start;font-size:.75rem}.hero-bottom span{flex:1;line-height:1.4}.hero-bottom span:before{display:block;width:20px;margin-bottom:10px}.section-pad{padding-block:64px}h2{font-size:2.65rem}.benefits-grid,.vessels-grid,.process-grid{grid-template-columns:1fr;gap:34px}.section-intro h2 br{display:none}.eyebrow{margin-bottom:18px}.yellow-rule{margin-top:23px;width:46px}.benefit-list p{font-size:1.0625rem}.benefit-list li{padding-block:19px;gap:14px}.vessels{padding-block:57px}.vessels-copy{grid-row:1}.vessels h2 br{display:none}.vessels h2{max-width:350px}.vessel-list li{font-size:1.125rem;padding-block:16px}.robot-frame{margin-top:8px}.robot-frame figcaption{padding:18px 20px}.process-copy h2 br{display:none}.process-copy h2{max-width:390px}.body-copy{font-size:1.0625rem}.monitoring-note{margin-top:24px}.operator-frame{margin-top:6px}.coverage{padding-block:43px}.coverage-grid{gap:24px}.coverage h2{font-size:2rem}.coverage-locations ul{font-size:1.0625rem;gap:9px 0}.coverage-locations li:not(:last-child):after{margin-inline:9px}.contact{padding-block:50px}.contact-grid{grid-template-columns:1fr;gap:29px}.contact h2{font-size:2.8rem}.contact-action{border-left:0;border-top:1px solid #08275740;padding:25px 0 0}.contact-number{font-size:clamp(1.75rem,8.1vw,2.85rem);gap:18px;margin-top:8px}.site-footer{padding-block:31px}.footer-inner{align-items:flex-start;flex-direction:column;gap:17px}.site-footer p{margin-left:0;font-size:.8125rem}}
@media(max-width:370px){.hero-link{display:flex;margin-left:0}.brand{font-size:1.5rem}nav{gap:18px}nav a{font-size:.8125rem}.hero .eyebrow{font-size:.75rem;letter-spacing:.07em}.hero-bottom{font-size:.75rem}h2{font-size:2.25rem}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important}}