:root{--navy:#172a48;--deep:#112039;--ink:#182a43;--accent:#a8d3d0;--muted:#5b6675;--paper:#fff;--line:#dce3e7;font-family:Arial,Helvetica,sans-serif;color:var(--ink);background:var(--paper);font-size:16px;line-height:1.65;scroll-behavior:smooth;scroll-padding-top:105px}*{box-sizing:border-box}body{margin:0}a{color:inherit;text-underline-offset:.25em}img{display:block;max-width:100%;height:auto}button,a{-webkit-tap-highlight-color:transparent}button{font:inherit}a:focus-visible,button:focus-visible,summary:focus-visible{outline:3px solid #368f8a;outline-offset:5px}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.12}h2{font-size:clamp(2rem,4vw,3.4rem);font-weight:500;letter-spacing:-.035em}h3{font-size:1.35rem;font-weight:600}p{margin-bottom:1.2rem}.header{min-height:94px;background:var(--navy);display:flex;align-items:center;justify-content:space-between;padding:22px max(5vw,24px);gap:28px}.brand{width:275px;flex-shrink:0}.brand img{width:100%;height:auto}.header nav{display:flex;gap:36px;color:#fff}.header nav a{text-decoration:none;font-size:.95rem}.header nav a:hover{color:var(--accent)}.skip{position:absolute;top:-90px;background:#fff;padding:12px;z-index:10}.skip:focus{top:10px}.hero{position:relative;min-height:650px;height:calc(100svh - 94px);max-height:870px;background:#d5d4cf;overflow:hidden}.hero-image{position:absolute;width:100%;height:100%;object-fit:cover;object-position:50% 43%}.hero-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(11,26,46,.91) 0%,rgba(11,26,46,.72) 28%,rgba(11,26,46,.15) 64%,rgba(11,26,46,.02) 100%)}.hero-content{position:relative;color:#fff;padding:110px max(7vw,24px) 140px;max-width:900px}.eyebrow{font-size:.8rem;font-weight:700;letter-spacing:.17em;line-height:1.6;margin-bottom:24px}.hero .eyebrow{color:var(--accent)}h1{font-size:clamp(3rem,6.5vw,6.3rem);font-weight:600;letter-spacing:-.055em;margin-bottom:30px}.hero-line{font-size:clamp(1.2rem,2.2vw,1.6rem);font-weight:400}.button{display:inline-flex;justify-content:space-between;gap:35px;align-items:center;padding:15px 23px;background:var(--accent);color:var(--deep);text-decoration:none;font-weight:600;margin-top:18px}.button:hover{background:#c5e5e3}.hero-caption{position:absolute;bottom:0;left:7vw;right:7vw;color:#fff;border-top:1px solid #ffffff60;display:flex;justify-content:space-between;padding:20px 0;font-size:.9rem}.section{padding:100px max(7vw,24px)}.intro{display:grid;grid-template-columns:1fr 1fr;gap:80px}.intro-copy{padding-top:48px;font-size:1.15rem;max-width:600px;color:var(--muted)}footer{background:var(--deep);color:#c9d1de;padding:45px max(7vw,24px);display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;font-size:.9rem}footer p{margin:0}footer div{display:flex;gap:25px}.footer-brand{font-weight:700;color:white;text-decoration:none;letter-spacing:.025em}.footer-brand span{color:var(--accent)}@media(max-width:700px){.header{padding:19px 22px;gap:20px;flex-wrap:wrap;justify-content:center}.brand{width:235px}.header nav{gap:28px}.hero{min-height:580px;height:78svh}.hero-image{object-position:60% center}.hero-shade{background:linear-gradient(90deg,#112039d9,#11203960)}.hero-content{padding:100px 24px 110px}.hero-caption{left:24px;right:24px;font-size:.8rem}.hero-caption span:first-child{max-width:65%}.section{padding:65px 24px}.intro{grid-template-columns:1fr;gap:0}.intro-copy{padding-top:4px;font-size:1.05rem}footer{padding:38px 24px;display:block}footer p{margin:12px 0 22px}}@media(prefers-reduced-motion:reduce){:root{scroll-behavior:auto}*{animation:none!important;transition:none!important}}
.services{background:var(--navy);color:white}.services-grid{display:grid;grid-template-columns:1.1fr 1fr 1fr;gap:70px}.section-number{color:var(--accent);font-size:.85rem;display:block;margin-bottom:32px}.services h3{font-size:1.8rem;margin-bottom:30px}.services ul{list-style:none;padding:0;margin:0;color:#d9e1ec}.services li{padding:8px 0;border-bottom:1px solid #ffffff24}.approach{display:grid;grid-template-columns:1fr 1fr;gap:80px}.approach-list details{border-bottom:1px solid var(--line)}.approach-list summary{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:24px 0;cursor:pointer;font-size:1.2rem;list-style:none}.approach-list summary::-webkit-details-marker{display:none}.approach-list summary span{font-size:1.7rem;font-weight:400;color:#467f7e}.approach-list details[open] summary span{transform:rotate(45deg)}.approach-list details>div{color:var(--muted);padding-bottom:16px}.drawings{padding-top:25px;background:#f3f5f6}.drawings .section-heading{padding-top:50px;margin-bottom:48px}.gallery{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}.drawing{display:block;text-decoration:none;background:white}.drawing img{width:100%;height:210px;object-fit:contain;padding:15px;transition:transform .25s}.drawing:hover img{transform:scale(1.035)}.drawing>span{display:flex;justify-content:space-between;gap:12px;padding:20px;border-top:1px solid var(--line);font-size:.94rem}.drawing>span>span{color:#467f7e}.about{background:var(--navy);color:#fff;display:grid;grid-template-columns:1fr 1fr;gap:80px;align-items:center}.portrait img{width:100%;height:600px;object-fit:cover;object-position:center}.about .eyebrow{color:var(--accent)}.about-copy>div{color:#d9e1ec}.contact{display:grid;grid-template-columns:1fr 1fr;gap:80px}.contact h2{font-size:clamp(3.2rem,6vw,5.2rem)}.contact-heading>p:last-child{color:var(--muted)}.contact-details{padding-top:10px}.contact-item{padding:0 0 28px;margin-bottom:25px;border-bottom:1px solid var(--line)}.contact-item>span,.contact-bottom>div>span{display:block;text-transform:uppercase;font-size:.8rem;letter-spacing:.12em;color:var(--muted);margin-bottom:10px;font-weight:600}.contact-item>a{font-size:clamp(1.1rem,2.2vw,1.8rem);text-decoration:none;overflow-wrap:anywhere}.contact-item>a:hover{text-decoration:underline}.contact-bottom{display:grid;grid-template-columns:1fr 1fr;gap:30px}address{font-style:normal;margin-bottom:20px}.map-link{font-size:.85rem}.legal{max-width:960px;margin:auto;min-height:65vh;overflow-wrap:anywhere}.legal h1{font-size:clamp(2.5rem,5vw,4.5rem);margin:30px 0 50px}.legal h2{font-size:1.55rem;margin:40px 0 16px;letter-spacing:-.02em;line-height:1.3}.legal h3{font-size:1.15rem;margin-top:26px}.legal p,.legal li{color:#465365}.legal li{margin-bottom:10px}.back-link{font-size:.9rem}dialog{border:0;padding:24px;max-width:min(1100px,94vw);max-height:92svh;box-shadow:0 20px 80px #0005;color:var(--ink)}dialog::backdrop{background:#0a172beb}dialog img{max-height:72svh;width:auto;max-width:100%;margin:auto;object-fit:contain}dialog p{margin:18px 0 0}.close-dialog{display:block;margin:0 0 15px auto;border:1px solid var(--line);padding:8px 14px;background:#fff;cursor:pointer;font-size:.9rem}body:has(dialog[open]){overflow:hidden}@media(min-width:1700px){.section{padding-left:max(7vw,calc((100vw - 1480px)/2));padding-right:max(7vw,calc((100vw - 1480px)/2))}}@media(max-width:1050px){.services-grid{gap:35px}.approach,.about,.contact{gap:45px}.gallery{grid-template-columns:repeat(2,minmax(0,1fr))}.portrait img{height:550px}}@media(max-width:700px){.services-grid,.approach,.about,.contact{grid-template-columns:1fr;gap:40px}.services-grid article+article{margin-top:10px}.section-number{margin-bottom:16px}.services h3{margin-bottom:22px}.approach .section-heading{margin-bottom:0}.gallery{gap:14px}.drawing img{height:150px;padding:8px}.drawing>span{padding:14px 10px;font-size:.85rem;gap:5px;overflow-wrap:anywhere}.drawings .section-heading{padding-top:0}.portrait img{height:auto;max-height:520px;object-fit:contain}.about{gap:35px}.contact-bottom{gap:25px}.contact{gap:25px}.legal h1{margin-bottom:35px}.legal ul{padding-left:20px}}@media(max-width:380px){.gallery,.contact-bottom{grid-template-columns:1fr}.drawing img{height:220px}.header nav{gap:22px}}

/* Technical services: a clear hierarchy without numbering. */
.services{position:relative;background:linear-gradient(115deg,#172a48 0%,#172a48 58%,#203b59 100%)}
.services-grid{grid-template-columns:1.2fr 1fr;gap:0 80px;align-items:start}
.services-grid article{position:relative;padding-top:26px;border-top:1px solid #a8d3d066}
.services-grid article::before{content:"";position:absolute;left:0;top:-2px;width:52px;height:3px;background:var(--accent)}
.services-grid article:first-child{grid-row:span 2;padding-right:40px}
.services-grid article:nth-child(3){margin-top:40px}
.services h3{font-size:1.5rem;font-weight:500;letter-spacing:-.02em;margin-bottom:22px}
.services-grid article:first-child h3{font-size:clamp(2.4rem,4vw,3.4rem);margin-bottom:32px}
.services li{border:0;padding:7px 0;color:#e1e9f1}
.services-grid article:first-child li{font-size:1.15rem;padding:9px 0;display:flex;align-items:baseline;gap:18px}
.services-grid article:first-child li::before{content:"";width:14px;flex:0 0 14px;height:1px;background:#a8d3d0;align-self:center}
.services-grid article:nth-child(2) ul{display:flex;flex-wrap:wrap;gap:10px}
.services-grid article:nth-child(2) li{padding:7px 13px;border:1px solid #c6dce03b;font-size:.95rem;background:#ffffff04}
.services-grid article:nth-child(3) ul{display:grid;grid-template-columns:1fr 1fr;gap:0 22px}
@media(max-width:1050px){.services-grid{gap:0 45px}.services-grid article:first-child{padding-right:0}.services-grid article:nth-child(3) ul{grid-template-columns:1fr}}
@media(max-width:700px){.services-grid{grid-template-columns:1fr;gap:42px}.services-grid article:first-child{grid-row:auto}.services-grid article:nth-child(3),.services-grid article+article{margin-top:0}.services-grid article:nth-child(3) ul{grid-template-columns:1fr 1fr}.services{background:linear-gradient(155deg,#172a48,#203b59)}}
@media(max-width:380px){.services-grid article:nth-child(3) ul{grid-template-columns:1fr}}
/* Original photographs, with a quiet horizontal slide transition. */
.hero-slider{touch-action:pan-y}
.hero-track{height:100%;display:flex;transition:transform 1000ms cubic-bezier(.22,.68,.2,1);will-change:transform}
.hero-slide{position:relative;flex:0 0 100%;width:100%;height:100%;overflow:hidden}
.hero-slider.active-0 .hero-track{transform:translateX(0)}
.hero-slider.active-1 .hero-track{transform:translateX(-100%)}
.hero-slider.active-2 .hero-track{transform:translateX(-200%)}
.hero-slider.active-3 .hero-track{transform:translateX(-300%)}
.hero-heading{font-size:clamp(2.6rem,5.7vw,5.8rem);line-height:1.1;font-weight:600;letter-spacing:-.05em;margin:0 0 30px}
.hero-slider .hero-content{max-width:1050px;padding-top:clamp(65px,11vh,130px)}
.hero-slide .hero-content{opacity:0;transform:translateX(35px);transition:opacity .55s ease,transform .8s cubic-bezier(.2,.7,.2,1)}
.hero-slide:not([aria-hidden="true"]) .hero-content{opacity:1;transform:translateX(0);transition-delay:.3s}
.hero-slider .hero-caption{align-items:center;gap:15px;z-index:2;padding:17px 0;flex-wrap:wrap}
.slider-controls{display:flex;align-items:center;gap:12px}
.slider-controls[hidden]{display:none}
.slider-controls button{cursor:pointer;color:white;background:transparent;border:1px solid #ffffff45;height:44px;min-width:44px;padding:0 10px;border-radius:0;transition:background .2s,border-color .2s}
.slider-controls button:hover{background:#ffffff18;border-color:var(--accent)}
.slider-controls button:focus-visible{outline:2px solid white;outline-offset:3px}
.slider-controls .slider-arrow{font-size:1.35rem}
.slider-dots{display:flex;align-items:center;gap:0}
.slider-controls .slider-dot{border:0;padding:0;min-width:32px;width:32px}
.slider-dot span{display:block;width:7px;height:7px;background:#ffffff6b;margin:auto;border-radius:50%;transition:width .25s,border-radius .25s,background .25s}
.slider-dot[aria-pressed="true"] span{width:23px;border-radius:4px;background:var(--accent)}
.slider-controls .slider-pause{font-size:.8rem;min-width:74px}
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip-path:inset(50%);white-space:nowrap;border:0}
@media(max-width:850px){.hero-tagline{display:none}.hero-slider .hero-caption{justify-content:space-between}.hero-slider .hero-caption span:first-child{max-width:none}}
@media(max-width:700px){.hero-slider{min-height:630px;height:82svh;max-height:820px}.hero-slider .hero-content{padding:85px 24px 150px}.hero-heading{font-size:clamp(2.45rem,9.7vw,4rem);letter-spacing:-.045em}.hero-slider .hero-line{max-width:290px}.hero-slider .hero-since{display:none}.hero-slider .hero-caption{justify-content:center;left:24px;right:24px}.slider-controls{gap:8px}}
@media(prefers-reduced-motion:reduce){.hero-track,.hero-slide .hero-content{transition:none!important}.hero-slide .hero-content{transform:none}}

.topbar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:10px max(5vw,24px);background:#101e33;color:#cfdbe5;border-bottom:1px solid #ffffff12;font-size:.875rem;line-height:1.5}
.topbar-links{display:flex;align-items:center;gap:26px;flex-wrap:wrap}
.topbar a{text-decoration:none;transition:color .2s}
.topbar a:hover{color:var(--accent);text-decoration:underline}
.topbar-links a+a{padding-left:26px;border-left:1px solid #ffffff2b}
.topbar-hours{white-space:nowrap;color:#adc2d1}
.topbar-hours span{color:#e0e9ef;margin-left:9px}
.hero-slider{height:calc(100svh - 136px)}
@media(max-width:700px){.topbar{padding:11px 22px;display:grid;gap:5px;font-size:.875rem}.topbar-links{gap:4px 18px}.topbar-links a+a{padding-left:0;border:0}.topbar-hours{font-size:.8125rem}.hero-slider{height:82svh}}

/* Quiet carousel controls and a right-aligned contact strip. */
.topbar{justify-content:flex-end;gap:28px}
.slider-controls{gap:4px}
.slider-controls button{border:0;background:transparent;border-radius:0;opacity:.65;padding:0;min-width:44px}
.slider-controls button:hover{background:transparent;border:0;opacity:1}
.slider-controls button:focus-visible{opacity:1;outline:2px solid var(--accent);outline-offset:0}
.slider-controls .slider-arrow span{display:block;width:11px;height:11px;border-top:1.5px solid currentColor;border-right:1.5px solid currentColor;margin:auto}
.slider-prev span{transform:rotate(-135deg)}
.slider-next span{transform:rotate(45deg)}
.slider-controls .slider-dot{min-width:28px;width:28px;opacity:1}
.slider-dot span{height:5px;width:5px;background:#ffffff60}
.slider-dot[aria-pressed="true"] span{width:19px;background:#c7e0df}
.slider-controls .slider-pause{min-width:44px;width:44px;margin-left:6px}
.pause-icon{display:block;width:10px;height:12px;border-left:2px solid currentColor;border-right:2px solid currentColor;margin:auto}
.is-paused .pause-icon{width:0;height:0;border-top:6px solid transparent;border-bottom:6px solid transparent;border-left:9px solid currentColor;border-right:0}
@media(max-width:700px){.topbar{display:flex;flex-wrap:wrap;justify-content:flex-end;text-align:right;gap:5px 20px}.topbar-links{justify-content:flex-end}.topbar-hours{margin-left:auto}.slider-controls{gap:4px}}

/* Dot separator in the contact strip. */
.topbar-links a+a{border-left:0;position:relative}
.topbar-links a+a::before{content:"·";position:absolute;left:0;color:#a8d3d0}
@media(max-width:700px){.topbar-links{column-gap:18px}.topbar-links a+a{padding-left:14px}}