/* Harbour grid: petrol blue, fog grey, signal amber. System sans, heavy weights, tight tracking. */
:root{
  --fog:#edf1f3; --white:#fff; --petrol:#12384a; --deep:#0b2531; --steel:#5e7a8a; --line:#cfd9de;
  --amber:#e3a600; --ink:#14232b;
  --font:"Helvetica Neue","Segoe UI",Roboto,Arial,sans-serif;
  --w:1320px; --pad:clamp(20px,4vw,48px);
}
*{box-sizing:border-box;margin:0}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{font:17px/1.65 var(--font);color:var(--ink);background:var(--fog);-webkit-font-smoothing:antialiased}
a{color:inherit}
img,svg{max-width:100%}
.wrap{width:100%;max-width:var(--w);margin:0 auto;padding:0 var(--pad)}
h1,h2,h3{line-height:1.08;letter-spacing:-.03em;font-weight:800}
h1{font-size:clamp(2.5rem,6vw,5rem)}
h2{font-size:clamp(1.9rem,3.8vw,3.2rem)}
h3{font-size:1.2rem;letter-spacing:-.01em}
:focus-visible{outline:3px solid var(--amber);outline-offset:3px}
.skip{position:absolute;left:-999px;top:8px;background:var(--amber);padding:8px 14px;z-index:99}
.skip:focus{left:8px}

/* buttons */
.btn{display:inline-block;padding:14px 26px;font-weight:700;font-size:1rem;text-decoration:none;border:2px solid transparent;border-radius:4px;cursor:pointer;font-family:inherit;transition:transform .2s,background .2s,color .2s}
.btn:hover{transform:translateY(-2px)}
.btn-amber{background:var(--amber);color:var(--deep)}
.btn-amber:hover{background:#f2b81a}
.btn-line{border-color:rgba(255,255,255,.55);color:#fff}
.btn-line:hover{background:#fff;color:var(--petrol)}

/* header */
.site-header{position:sticky;top:0;z-index:50;background:var(--white);border-bottom:1px solid var(--line);transition:box-shadow .3s}
.site-header.scrolled{box-shadow:0 6px 24px rgba(11,37,49,.1)}
.bar{display:flex;align-items:center;justify-content:space-between;min-height:76px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.mark{background:var(--petrol);color:#fff;font-weight:800;letter-spacing:.04em;padding:9px 11px;line-height:1}
.brand-text{display:flex;flex-direction:column;font-weight:800;line-height:1.15;letter-spacing:-.01em}
.brand-text small{font-weight:500;color:var(--steel);font-size:.8rem}
.nav{display:flex;align-items:center;gap:30px}
.nav a:not(.btn){text-decoration:none;font-weight:600;padding:4px 0;background:linear-gradient(var(--amber),var(--amber)) 0 100%/0 3px no-repeat;transition:background-size .25s}
.nav a:not(.btn):hover{background-size:100% 3px}
.nav .btn{padding:10px 20px}
.burger{display:none;background:none;border:0;width:44px;height:44px;cursor:pointer;flex-direction:column;justify-content:center;gap:6px;align-items:center}
.burger span{width:26px;height:3px;background:var(--petrol);transition:transform .25s,opacity .25s}
.burger[aria-expanded=true] span:nth-child(1){transform:translateY(9px) rotate(45deg)}
.burger[aria-expanded=true] span:nth-child(2){opacity:0}
.burger[aria-expanded=true] span:nth-child(3){transform:translateY(-9px) rotate(-45deg)}

/* hero */
.hero{background:var(--petrol);color:#fff;padding-top:clamp(48px,7vw,96px)}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(28px,5vw,72px);align-items:center}
.hero-copy h1{animation:rise .9s cubic-bezier(.2,.7,.2,1) both}
.lead{font-size:1.2rem;color:#cfe0e8;max-width:56ch;margin:28px 0 36px;animation:rise .9s .15s cubic-bezier(.2,.7,.2,1) both}
.cta-row{display:flex;flex-wrap:wrap;gap:14px;animation:rise .9s .3s cubic-bezier(.2,.7,.2,1) both}
@keyframes rise{from{opacity:0;transform:translateY(24px)}}
.hero-art{position:relative;aspect-ratio:1/.95;background:var(--deep);display:flex;align-items:center;justify-content:center;overflow:hidden}
.hero-art::before{content:"";position:absolute;inset:0;background:repeating-linear-gradient(90deg,transparent 0 59px,rgba(255,255,255,.06) 59px 60px)}
.car-main{width:92%;aspect-ratio:600/220;color:var(--amber);position:relative}
.road{position:absolute;left:0;right:0;bottom:22%;height:3px;background:rgba(255,255,255,.35)}
.tag{position:absolute;background:#fff;color:var(--deep);font-weight:700;font-size:.9rem;padding:8px 14px}
.tag-a{top:8%;left:0}
.tag-b{bottom:8%;right:0;background:var(--amber)}
.facts{display:grid;grid-template-columns:repeat(4,1fr);margin-top:clamp(40px,6vw,80px);border-top:1px solid rgba(255,255,255,.2)}
.facts div{padding:26px 24px 30px 0;border-right:1px solid rgba(255,255,255,.2);padding-left:24px}
.facts div:first-child{padding-left:0}
.facts div:last-child{border:0}
.facts strong{display:block;font-size:1.05rem;word-break:break-word}
.facts span{color:#a9c1cd;font-size:.92rem}

/* about */
.about{padding:clamp(64px,9vw,128px) 0;background:var(--white)}
.about-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,6vw,96px);align-items:start}
.about-head{position:sticky;top:110px}
.art-block{margin-top:36px;background:var(--fog);border-left:8px solid var(--amber);padding:28px;color:var(--petrol)}
.art-block svg{width:100%;aspect-ratio:600/220}
.about-body p{margin-bottom:22px;max-width:68ch;color:#2c3e48}
.panels{display:grid;grid-template-columns:repeat(3,1fr);gap:0;margin-top:40px;border:1px solid var(--line)}
.panels div{padding:22px;border-right:1px solid var(--line)}
.panels div:last-child{border:0}
.panels h3{font-size:1rem;margin-bottom:8px;color:var(--petrol)}
.panels p{font-size:.95rem;margin:0;word-break:break-word}

/* services */
.services{padding:clamp(64px,9vw,128px) 0}
.sec-head{display:flex;justify-content:space-between;align-items:end;gap:32px;flex-wrap:wrap;margin-bottom:clamp(32px,5vw,56px)}
.sec-head p{max-width:46ch;color:#41565f}
.svc{display:grid;grid-template-columns:.8fr 1.2fr;border:1px solid var(--line);background:var(--white)}
.svc-tabs{display:flex;flex-direction:column;border-right:1px solid var(--line)}
.svc-tabs button{text-align:left;font:700 1.08rem/1.3 var(--font);letter-spacing:-.01em;padding:22px 28px;border:0;border-bottom:1px solid var(--line);background:none;color:var(--ink);cursor:pointer;border-left:6px solid transparent;transition:background .2s,border-color .2s,padding .2s}
.svc-tabs button:last-child{border-bottom:0}
.svc-tabs button:hover{background:var(--fog);padding-left:34px}
.svc-tabs button[aria-selected=true]{background:var(--petrol);color:#fff;border-left-color:var(--amber)}
.svc-panels{padding:clamp(28px,4vw,56px)}
.panel h3{font-size:clamp(1.6rem,2.6vw,2.2rem);letter-spacing:-.03em;margin-bottom:18px}
.panel p{max-width:60ch;color:#2c3e48;margin-bottom:26px}
.panel ul{list-style:none;padding:0;border-top:1px solid var(--line)}
.panel li{padding:14px 0 14px 28px;border-bottom:1px solid var(--line);font-weight:600;position:relative}
.panel li::before{content:"";position:absolute;left:0;top:50%;width:14px;height:4px;background:var(--amber);transform:translateY(-50%)}
.js .panel:not(.on){display:none}
.js .panel.on{animation:swap .4s ease both}
@keyframes swap{from{opacity:0;transform:translateX(14px)}}

/* why */
.why{background:var(--deep);color:#fff;padding:clamp(64px,9vw,128px) 0}
.sec-head.light p{color:#a9c1cd}
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.b{grid-column:span 2;padding:32px;background:var(--petrol);transition:transform .25s,background .25s}
.b:hover{transform:translateY(-4px);background:#18475d}
.b-big{grid-column:span 3;padding:44px 40px;min-height:240px}
.b h3{margin-bottom:12px;font-size:1.3rem}
.b-big h3{font-size:1.8rem}
.b p{color:#c3d6df}
.b-amber{background:var(--amber);color:var(--deep)}
.b-amber:hover{background:#f2b81a}
.b-amber p{color:#3a2f00}

/* contact */
.contact{padding:clamp(64px,9vw,128px) 0;background:var(--white)}
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(32px,6vw,88px);align-items:start}
.contact-info p{margin:20px 0 36px;color:#41565f;max-width:44ch}
dl{border-top:3px solid var(--petrol)}
dt{font-weight:700;color:var(--steel);font-size:.9rem;padding-top:16px}
dd{padding:2px 0 16px;border-bottom:1px solid var(--line);font-weight:600;word-break:break-word}
.form{background:var(--fog);padding:clamp(24px,4vw,48px);display:grid;gap:20px;border-top:8px solid var(--amber)}
.row{display:grid;grid-template-columns:1fr 1fr;gap:20px}
label{display:grid;gap:6px;font-weight:700;font-size:.95rem}
input,select,textarea{font:inherit;font-weight:400;padding:13px 14px;border:1.5px solid #a9b9c1;background:#fff;border-radius:2px;width:100%;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:3px solid rgba(227,166,0,.55);border-color:var(--petrol)}
.check{grid-template-columns:22px 1fr;align-items:start;font-weight:400}
.check input{width:20px;height:20px;margin-top:3px}
.err{color:#b3261e;font-size:.85rem;font-weight:600;min-height:0}
.invalid{border-color:#b3261e}
.form .btn{justify-self:start}
.note{font-weight:600;color:var(--petrol)}

/* footer */
.footer{background:var(--deep);color:#c3d6df;padding-top:64px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;padding-bottom:48px}
.footer .brand{color:#fff}
.footer .brand-text small{color:#a9c1cd}
.footer .mark{background:var(--amber);color:var(--deep)}
.footer h3{color:#fff;font-size:1rem;margin-bottom:12px}
.footer p{font-size:.95rem;line-height:1.8}
.foot-grid>div:first-child p{margin-top:16px}
.footer a{text-decoration:none}
.footer a:hover{color:var(--amber)}
.copy{border-top:1px solid rgba(255,255,255,.15);padding:22px var(--pad);font-size:.88rem;color:#8fa9b6}

/* scroll reveal */
.js .reveal{opacity:0;transform:translateY(18px);transition:opacity .7s,transform .7s}
.js .reveal.in{opacity:1;transform:none}

/* responsive */
@media(max-width:1000px){
  .hero-grid,.about-grid,.contact-grid{grid-template-columns:1fr}
  .about-head{position:static}
  .hero-art{aspect-ratio:16/10}
  .facts{grid-template-columns:1fr 1fr}
  .facts div:nth-child(2){border-right:0}
  .facts div:nth-child(3){padding-left:0}
  .facts div:nth-child(-n+2){border-bottom:1px solid rgba(255,255,255,.2)}
  .svc{grid-template-columns:1fr}
  .svc-tabs{border-right:0;border-bottom:1px solid var(--line)}
  .b,.b-big{grid-column:span 6;min-height:0}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:860px){
  .burger{display:flex}
  .nav{position:absolute;top:100%;left:0;right:0;background:var(--white);flex-direction:column;align-items:stretch;gap:0;padding:8px var(--pad) 24px;border-bottom:1px solid var(--line);display:none}
  .nav.open{display:flex}
  .nav a:not(.btn){padding:16px 0;border-bottom:1px solid var(--line)}
  .nav .btn{margin-top:18px;text-align:center}
}
@media(max-width:620px){
  body{font-size:16px}
  .row,.panels,.foot-grid{grid-template-columns:1fr}
  .panels div{border-right:0;border-bottom:1px solid var(--line)}
  .panels div:last-child{border:0}
  .facts{grid-template-columns:1fr}
  .facts div{border-right:0;padding-left:0;border-bottom:1px solid rgba(255,255,255,.2)}
  .facts div:last-child{border:0}
  .svc-tabs button{padding:18px 20px}
  .cta-row .btn{width:100%;text-align:center}
}
@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .js .reveal{opacity:1;transform:none}
}