:root { color-scheme: light; --ink: #202c2b; --muted: #54605b; --paper: #f6f5f0; --surface: #fff; --accent: #345f4d; --accent-strong: #234535; --line: #d8dfd6; --tint: #e8ede3; font-family: "Segoe UI", Arial, sans-serif; font-size: 16px; }
* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); line-height: 1.65; }
body.diving { --ink: #102b3e; --muted: #4d6270; --paper: #f3f7f9; --accent: #086383; --accent-strong: #064b64; --line: #cbdde5; --tint: #e2eff3; }
[hidden] { display: none !important; }
a { color: var(--accent); text-underline-offset: .2em; overflow-wrap: anywhere; }
a:hover { color: var(--accent-strong); }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 4px; }
img { display: block; max-width: 100%; height: auto; }
figure { margin: 0; min-width: 0; }
figcaption { color: var(--muted); font-size: .8rem; padding-top: .7rem; }
h1, h2, h3 { line-height: 1.12; font-weight: 650; letter-spacing: -.035em; overflow-wrap: anywhere; }
h1 { font-size: clamp(2.25rem, 4.8vw, 4.8rem); margin: .4em 0; }
h2 { font-size: clamp(1.65rem, 3vw, 2.7rem); margin: .3em 0 .65em; }
h3 { font-size: 1.4rem; margin: .75em 0; }
p { margin: 0 0 1.2rem; }
li + li { margin-top: .4em; }
address { font-style: normal; margin-bottom: 1.5rem; }
button { font: inherit; }
button, summary { cursor: pointer; }
.container { width: min(1200px, calc(100% - 3rem)); margin-inline: auto; }
.site-header { background: var(--surface); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; min-height: 106px; }
.brand { flex: 0 1 300px; }
.brand img { max-height: 74px; width: auto; object-fit: contain; }
.diving .brand img { max-height: 88px; max-width: 240px; }
nav { display: flex; align-items: center; flex-wrap: wrap; gap: .4rem 1.5rem; }
nav a { color: var(--ink); font-size: .95rem; text-decoration: none; padding: .65rem 0; border-bottom: 2px solid transparent; }
nav a[aria-current="page"], nav a:hover { border-bottom-color: var(--accent); }
.nav-toggle { display: none; border: 1px solid var(--line); border-radius: .3rem; padding: .55rem .8rem; color: var(--ink); background: var(--surface); }
.skip-link { position: absolute; top: -100px; left: 1rem; z-index: 10; padding: .75rem 1rem; background: var(--surface); }
.skip-link:focus { top: 1rem; }
.hero { display: grid; grid-template-columns: 1.05fr 1fr; align-items: center; gap: clamp(2rem, 5vw, 5rem); padding-block: clamp(3rem, 6vw, 6rem); }
.hero-copy p:not(.eyebrow) { max-width: 50ch; }
.eyebrow { color: var(--accent); font-size: .78rem; letter-spacing: .13em; font-weight: 700; text-transform: uppercase; margin-bottom: 1rem; }
.lead { font-size: clamp(1.1rem, 1.7vw, 1.3rem); color: var(--muted); }
.hero-photo img { width: 100%; aspect-ratio: 1 / 1.08; object-fit: cover; border-radius: .5rem; }
.architecture-hero .hero-photo img { object-fit: contain; background: var(--tint); }
.diving-hero .hero-photo img { object-position: center; }
.button { display: inline-flex; justify-content: center; align-items: center; gap: 1rem; padding: .9rem 1.25rem; border-radius: .3rem; background: var(--accent); border: 1px solid var(--accent); color: white; text-decoration: none; font-weight: 600; line-height: 1.4; min-height: 48px; }
.button:hover { color: white; background: var(--accent-strong); }
.button-secondary { color: var(--accent); background: transparent; }
.button-row { display: flex; flex-wrap: wrap; gap: .75rem; }
.section { padding-block: 3.5rem; }
.section-heading { margin-bottom: 2rem; max-width: 48rem; }
.cards { display: grid; gap: 1.25rem; }
.three-columns { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.two-columns { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.card { background: var(--surface); border: 1px solid var(--line); padding: clamp(1.4rem, 2.8vw, 2.4rem); border-radius: .4rem; }
.card h2 { font-size: 1.7rem; }
.card p { color: var(--muted); }
.card p:last-child { margin-bottom: 0; }
.step { font-size: .8rem; color: var(--accent); font-weight: 700; }
.split { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); align-items: center; gap: clamp(2rem, 5vw, 5rem); }
.split img { width: 100%; }
.rounded { border-radius: .4rem; }
.text-link { font-weight: 600; }
.contact-band { display: flex; align-items: center; justify-content: space-between; gap: 2rem; background: var(--tint); padding: clamp(1.5rem, 4vw, 3.5rem); margin-block: 2rem; border-radius: .4rem; }
.contact-band h2 { font-size: clamp(1.6rem, 2.8vw, 2.4rem); }
.contact-band p:last-child { margin: 0; }
.site-footer { margin-top: 3rem; padding-block: 3rem; background: var(--ink); color: #fff; font-size: .9rem; }
.site-footer a { color: #fff; }
.footer-inner { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2rem; }
.page-intro { padding-block: 4rem 2rem; border-bottom: 1px solid var(--line); }
.page-intro h1 { font-size: clamp(2.3rem, 4.5vw, 4rem); }
.prose { max-width: 75ch; }
.prose h2 { font-size: 1.5rem; margin-top: 2rem; }
.contact-details { grid-template-columns: minmax(0, .65fr) minmax(0, 1.35fr); }
.contact-details .portrait { max-width: 320px; }
.service-strip { display: flex; align-items: center; justify-content: space-between; gap: 1rem; background: var(--ink); color: white; padding: 1.4rem 1.8rem; border-radius: .3rem; }
.service-strip a { color: white; }
.service-detail { background: var(--surface); border-bottom: 1px solid var(--line); padding: 1.25rem 1.5rem; }
.service-detail summary { font-size: 1.2rem; font-weight: 600; padding: .3rem 0; }
.service-detail > div { padding-top: 1.25rem; max-width: 80ch; }
.photo-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 1rem; }
.photo-grid img { width: 100%; aspect-ratio: 4/3; object-fit: cover; border-radius: .3rem; }
.reference-list { display: grid; gap: 4rem; }
.reference-list img { max-height: 400px; object-fit: contain; background: var(--tint); }
.contact-layout { align-items: start; }
.notice { background: var(--tint); padding: 1.25rem; border-left: 3px solid var(--accent); margin-block: 1.5rem; }
@media (max-width: 900px) {
    .header-inner { gap: 1rem; flex-wrap: wrap; padding-block: .8rem; }
    .brand { flex-basis: 250px; }
    nav { gap: .3rem 1rem; }
    .three-columns { grid-template-columns: 1fr; }
    .hero { gap: 2rem; }
    .hero h1 { font-size: clamp(2rem, 4.8vw, 3.7rem); }
}
@media (max-width: 700px) {
    .container { width: calc(100% - 2rem); }
    .header-inner { min-height: 86px; }
    .brand { flex-basis: auto; max-width: calc(100% - 100px); }
    .brand img, .diving .brand img { max-width: 100%; max-height: 60px; }
    .js-nav .nav-toggle { display: block; }
    nav { flex-basis: 100%; flex-direction: column; align-items: stretch; gap: 0; }
    .js-nav nav:not(.is-open) { display: none; }
    nav a { padding: .8rem .2rem; }
    .hero, .split, .contact-details, .two-columns { grid-template-columns: minmax(0, 1fr); }
    .hero { padding-block: 2.5rem; }
    .hero h1 { font-size: clamp(2.2rem, 8.6vw, 3.4rem); }
    .hero-photo img { aspect-ratio: 4/3; }
    .section { padding-block: 2.2rem; }
    .page-intro { padding-block: 2.7rem 1.3rem; }
    .contact-band, .service-strip { flex-direction: column; align-items: flex-start; }
    .photo-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .reference-list { gap: 3rem; }
    .reference-list .split { gap: 1.25rem; }
    .footer-inner { flex-direction: column; }
}
@media (prefers-reduced-motion: no-preference) { a, button { transition: background-color .15s, color .15s; } }
@media print { .site-header, .site-footer, .button { display: none; } body { background: white; } .container { width: 100%; } .hero, .split { display: block; } }