:root {
  --deep: #041c26;
  --navy: #062a37;
  --navy-2: #083744;
  --panel: #0a3d4a;
  --panel-2: #0d4654;
  --teal: #2a9bb0;
  --cyan: #69d1dd;
  --mint: #86dfd0;
  --silver: #c7d3d5;
  --ice: #d9e7e9;
  --cream: #e8dfd1;
  --mushroom: #c2b5a6;
  --soft-gray: #cbd1d0;
  --ink: #102a33;
  --ink-muted: #536a70;
  --orange: #e87931;
  --text: #d9e7e9;
  --muted: #8fb1b7;
  --line: rgba(142, 207, 217, .17);
  --line-strong: rgba(142, 207, 217, .3);
  --max: 1180px;
  --hero-title-size: clamp(2.5rem, 4.7vw, 4.6rem);
  --section-accent-size: 42px;
  --radius: 22px;
  --shadow: 0 28px 80px rgba(0, 10, 16, .28);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 88px; }
body { margin: 0; min-width: 320px; color: var(--text); background: var(--deep); font-family: Inter, "Segoe UI", Arial, sans-serif; font-size: 16px; line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; }
button { font: inherit; }
.container { width: min(calc(100% - 40px), var(--max)); margin-inline: auto; }
.skip-link { position: fixed; z-index: 1000; top: 10px; left: 10px; padding: 10px 14px; color: var(--deep); background: var(--cyan); transform: translateY(-160%); }
.skip-link:focus { transform: none; }

.site-header { position: fixed; z-index: 100; inset: 0 0 auto; height: 82px; border-bottom: 1px solid var(--line); background: rgba(4, 28, 38, .91); backdrop-filter: blur(15px); transition: background .2s, box-shadow .2s; }
.site-header.scrolled { background: rgba(4, 28, 38, .98); box-shadow: 0 12px 35px rgba(0, 12, 18, .28); }
.nav-wrap { height: 100%; display: flex; align-items: center; justify-content: space-between; }
.brand { display: flex; align-items: center; justify-content: flex-start; width: 148px; height: 76px; flex: 0 0 148px; text-decoration: none; }
.brand img { width: 132px; height: 65px; object-fit: contain; filter: brightness(0) invert(1); opacity: .94; }
.main-nav { display: flex; align-items: center; gap: 27px; }
.main-nav a { position: relative; padding: 29px 0 25px; color: #aac7cc; text-decoration: none; font-size: .9rem; font-weight: 650; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--text); }
.main-nav a[aria-current="page"]::after { content: ""; position: absolute; right: 0; bottom: -1px; left: 0; height: 2px; background: var(--cyan); }
.nav-group { position: relative; display: flex; align-items: center; gap: 7px; }
.nav-submenu-toggle { display: grid; place-items: center; width: 32px; height: 32px; padding: 0; color: #9fc4ca; border: 1px solid rgba(142,207,217,.25); border-radius: 10px; background: linear-gradient(145deg,rgba(105,209,221,.08),rgba(105,209,221,.025)); cursor: pointer; transition: color .2s, border-color .2s, background .2s, transform .2s; }
.nav-submenu-icon { position: relative; display: block; width: 9px; height: 9px; }
.nav-submenu-icon::before,
.nav-submenu-icon::after { content: ""; position: absolute; top: 50%; left: 50%; width: 9px; height: 1.5px; border-radius: 999px; background: currentColor; transform: translate(-50%,-50%); transition: transform .2s, opacity .2s; }
.nav-submenu-icon::after { transform: translate(-50%,-50%) rotate(90deg); }
.nav-submenu-toggle:hover, .nav-submenu-toggle:focus-visible { color: var(--text); border-color: var(--cyan); outline: none; background: rgba(105,209,221,.12); }
.nav-submenu { position: absolute; z-index: 10; top: calc(100% - 9px); left: -18px; display: grid; min-width: 235px; padding: 9px; border: 1px solid rgba(142,207,217,.22); border-radius: 14px; background: rgba(4,28,38,.98); box-shadow: 0 22px 46px rgba(0,10,16,.42); opacity: 0; visibility: hidden; transform: translateY(8px); transition: opacity .18s, transform .18s, visibility .18s; }
.nav-submenu a { display: flex; justify-content: space-between; align-items: center; gap: 20px; min-height: 43px; padding: 9px 11px; border-radius: 9px; color: #b9d4d8; }
.nav-submenu a::after { display: none !important; }
.nav-submenu a:hover, .nav-submenu a:focus-visible { color: var(--text); outline: none; background: rgba(105,209,221,.1); }
.nav-submenu a span { color: var(--cyan); }
.nav-group:hover .nav-submenu, .nav-group:focus-within .nav-submenu, .nav-group.submenu-open .nav-submenu { opacity: 1; visibility: visible; transform: none; }
.nav-group:hover .nav-submenu-icon::after,
.nav-group:focus-within .nav-submenu-icon::after,
.nav-group.submenu-open .nav-submenu-icon::after,
.nav-submenu-toggle[aria-expanded="true"] .nav-submenu-icon::after { opacity: 0; transform: translate(-50%,-50%) rotate(90deg) scaleY(0); }
.nav-contact { padding: 10px 15px !important; border: 1px solid var(--line-strong); border-radius: 10px; color: var(--text) !important; background: rgba(105, 209, 221, .08); }
.nav-contact::after { display: none; }
.nav-contact:hover { border-color: var(--cyan); background: rgba(105, 209, 221, .14); }
.menu-toggle { display: none; padding: 9px; border: 0; background: none; }
.menu-toggle span { display: block; width: 25px; height: 2px; margin: 5px; background: var(--text); }

.bathymetry { position: absolute; inset: 0; pointer-events: none; opacity: .27; background: url("/assets/bathymetry.svg") center / cover no-repeat; }
.eyebrow { margin: 0 0 18px; color: var(--cyan); text-transform: uppercase; letter-spacing: .14em; font-size: .76rem; font-weight: 780; }
.eyebrow::before { content: ""; display: inline-block; width: 25px; height: 2px; margin: 0 10px 3px 0; background: currentColor; }
h1, h2, h3 { margin-top: 0; line-height: 1.08; letter-spacing: -.035em; }
h1 { margin-bottom: 26px; font-size: clamp(3.35rem, 6vw, 5.8rem); font-weight: 660; }
h2 { font-size: clamp(2.25rem, 4vw, 3.85rem); font-weight: 650; }
h3 { font-weight: 660; }
.lead { max-width: 700px; color: #b2cdd2; font-size: 1.12rem; line-height: 1.65; }
.button-row { display: flex; flex-wrap: wrap; gap: 11px; margin-top: 32px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 9px; min-height: 51px; padding: 0 20px; border: 1px solid var(--line-strong); border-radius: 10px; color: var(--text); text-decoration: none; font-weight: 720; transition: transform .2s, background .2s, border-color .2s; }
.button:hover { transform: translateY(-2px); border-color: var(--cyan); background: rgba(105, 209, 221, .09); }
.button-primary { color: var(--deep); border-color: var(--cyan); background: var(--cyan); }
.button-primary:hover { background: #80e0ea; }
.button-primary::after { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--orange); }
.section { position: relative; padding: 106px 0; }
.section-alt { background: var(--navy); }
.tone-ice { color: var(--ink); background: radial-gradient(circle at 12% 12%, rgba(255,255,255,.42), transparent 34%), linear-gradient(180deg, #dce9eb 0%, #d4e1e3 100%); }
.tone-cream { color: var(--ink); background: radial-gradient(circle at 88% 8%, rgba(255,255,255,.34), transparent 31%), linear-gradient(180deg, #e9e1d5 0%, #e3d8c8 100%); }
.tone-mushroom { color: var(--ink); background: radial-gradient(circle at 15% 85%, rgba(238,229,216,.48), transparent 36%), linear-gradient(180deg, #c8bcae 0%, #bcae9f 100%); }
.tone-gray { color: var(--ink); background: radial-gradient(circle at 84% 16%, rgba(225,237,237,.5), transparent 33%), linear-gradient(180deg, #ccd4d3 0%, #c4cdcc 100%); }
.section.tone-light { isolation: isolate; }
.section.tone-light::after { content: ""; position: absolute; z-index: -1; right: 0; bottom: -1px; left: 0; height: 32px; opacity: .22; background: linear-gradient(180deg, transparent, rgba(16,42,51,.11)); pointer-events: none; }
.tone-light .eyebrow { color: #1a7283; }
.tone-light .section-heading > p,
.tone-light .training-copy > p:not(.eyebrow) { color: var(--ink-muted); }
.tone-light .process-list { border-color: rgba(16, 42, 51, .22); }
.tone-light .process-list li { border-color: rgba(16, 42, 51, .18); }
.tone-light .process-list li::before { background: var(--orange); }
.tone-light .process-list span { color: #166f80; }
.tone-light .process-list p { color: var(--ink-muted); }
.section-heading { display: grid; grid-template-columns: 1.25fr .75fr; align-items: end; gap: 80px; margin-bottom: 48px; }
.section-heading h2 { margin-bottom: 0; }
.section-heading > p { margin: 0 0 5px; color: var(--muted); }

.home-hero { position: relative; min-height: 780px; padding: 170px 0 95px; overflow: hidden; background: radial-gradient(circle at 78% 32%, rgba(47, 154, 176, .23), transparent 31%), linear-gradient(130deg, var(--deep), var(--navy-2)); }
.hero-layout { position: relative; z-index: 2; display: grid; grid-template-columns: minmax(0, 1.05fr) minmax(430px, .95fr); gap: 76px; align-items: center; }
.hero-copy .lead { margin: 0; }
.hero-route { margin-top: 44px; color: #77a4ac; font: 680 .72rem/1 monospace; letter-spacing: .1em; }
.hero-instrument { position: relative; padding: 14px; border: 1px solid var(--line-strong); border-radius: 24px; background: rgba(4, 28, 38, .58); box-shadow: var(--shadow); backdrop-filter: blur(10px); }
.instrument-head { display: flex; justify-content: space-between; padding: 3px 3px 13px; color: #82b2ba; font: 700 .68rem/1 monospace; letter-spacing: .1em; }
.ready { color: var(--mint); }.ready::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 6px; border-radius: 50%; background: var(--mint); box-shadow: 0 0 10px var(--mint); }
.sonar-field { position: relative; height: 390px; overflow: hidden; border-radius: 16px; background: linear-gradient(#0b4b5a, #083541 61%, #052630 62%); }
.sonar-field::before { content: ""; position: absolute; inset: 0; opacity: .19; background-image: linear-gradient(rgba(140,214,223,.18) 1px, transparent 1px), linear-gradient(90deg, rgba(140,214,223,.18) 1px, transparent 1px); background-size: 31px 31px; }
.sonar-field img { position: absolute; z-index: 3; top: 22px; left: 50%; width: 46%; height: 185px; object-fit: contain; transform: translateX(-50%); filter: drop-shadow(0 16px 24px rgba(0,0,0,.4)); }
.sonar-rays { position: absolute; z-index: 2; top: 130px; left: 50%; width: 370px; height: 275px; transform: translateX(-50%); clip-path: polygon(49% 0, 51% 0, 100% 100%, 0 100%); background: repeating-conic-gradient(from 160deg at 50% 0%, rgba(105,209,221,.14) 0 1deg, transparent 1deg 5deg); }
.sonar-bottom { position: absolute; z-index: 2; right: -7%; bottom: -50px; left: -7%; height: 145px; border-top: 2px solid rgba(113,221,211,.5); transform: rotate(-3deg); background: radial-gradient(ellipse at 65% 5%, #146a74, #083e4a 48%, #052933 72%); }
.instrument-data { display: grid; grid-template-columns: repeat(3, 1fr); gap: 9px; padding-top: 13px; }
.instrument-data div { padding: 9px 10px; border-radius: 9px; background: rgba(105,209,221,.055); }
.instrument-data span, .instrument-data strong { display: block; }.instrument-data span { color: #78a4ac; font-size: .66rem; }.instrument-data strong { margin-top: 2px; color: #cee2e5; font-size: .8rem; }

.module-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.module-card { position: relative; display: flex; flex-direction: column; min-height: 330px; padding: 30px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); text-decoration: none; background: linear-gradient(145deg, var(--panel), #082f3a); transition: transform .25s, border-color .25s, background .25s; }
.module-card:hover { transform: translateY(-4px); border-color: var(--line-strong); background: linear-gradient(145deg, var(--panel-2), #093743); }
.module-card::after { content: ""; position: absolute; width: 230px; height: 230px; right: -110px; bottom: -130px; border: 1px solid var(--line); border-radius: 50%; box-shadow: 0 0 0 32px rgba(105,209,221,.025), 0 0 0 64px rgba(105,209,221,.02); }
.module-top { display: flex; justify-content: space-between; align-items: center; }
.module-index { color: #75a7b0; font: 760 .7rem/1 monospace; }
.module-arrow { display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--line-strong); border-radius: 50%; color: var(--cyan); }
.module-card h3 { max-width: 470px; margin: 62px 0 15px; font-size: clamp(1.8rem, 3vw, 2.45rem); }
.module-card p { max-width: 500px; margin: 0; color: var(--muted); }
.module-tags { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; padding-top: 27px; }
.module-tags span { padding: 6px 9px; border: 1px solid var(--line); border-radius: 999px; color: #9dbdc3; font-size: .72rem; }
.module-card.card-ice,
.module-card.card-cream,
.module-card.card-mushroom,
.module-card.card-gray { color: var(--ink); border-color: rgba(16, 42, 51, .13); box-shadow: 0 15px 38px rgba(3, 24, 32, .08); }
.module-card.card-ice { background: #cfe2e5; }
.module-card.card-cream { background: #eee4d5; }
.module-card.card-mushroom { background: #c4b7a8; }
.module-card.card-gray { background: #c8d0cf; }
.module-card.card-ice:hover { background: #c5dade; }
.module-card.card-cream:hover { background: #e7dac7; }
.module-card.card-mushroom:hover { background: #bcae9e; }
.module-card.card-gray:hover { background: #bdc7c6; }
.module-card[class*="card-"] p { color: var(--ink-muted); }
.module-card[class*="card-"] .module-index { color: #126d7e; }
.module-card[class*="card-"] .module-arrow { color: var(--ink); border-color: rgba(16, 42, 51, .28); }
.module-card[class*="card-"] .module-tags span { color: #38585f; border-color: rgba(16, 42, 51, .2); }
.module-card.card-mushroom .module-arrow,
.module-card.card-cream .module-index { color: #a84816; }
.module-card.card-mushroom::before { content: ""; position: absolute; top: 0; right: 54px; width: 48px; height: 7px; background: var(--orange); }

.page-hero { position: relative; min-height: 500px; padding: 165px 0 80px; overflow: hidden; background: radial-gradient(circle at 80% 25%, rgba(50,168,188,.19), transparent 28%), var(--navy); }
.page-hero .container { position: relative; z-index: 2; }
.page-hero h1 { max-width: 940px; margin-bottom: 24px; font-size: clamp(3.1rem, 6vw, 5.6rem); }
.page-hero .lead { margin: 0; }
.breadcrumb { margin-bottom: 35px; color: #719ca4; font: 680 .7rem/1 monospace; letter-spacing: .1em; text-transform: uppercase; }
.breadcrumb a { text-decoration: none; }.breadcrumb a:hover { color: var(--cyan); }

.value-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
.value-card { min-height: 260px; padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.value-card > span { color: var(--cyan); font: 750 .72rem/1 monospace; }.value-card h3 { margin: 46px 0 13px; font-size: 1.55rem; }.value-card p { margin: 0; color: var(--muted); }
.discipline-list { display: grid; grid-template-columns: repeat(5, 1fr); gap: 1px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--line); }
.discipline-list div { min-height: 180px; padding: 24px 20px; background: #082f3b; }
.discipline-list strong { display: block; margin-top: 70px; font-size: .94rem; }.discipline-list span { color: var(--cyan); font: 730 .67rem/1 monospace; }
.tone-light .value-card { border-color: rgba(16,42,51,.14); background: rgba(255,255,255,.22); box-shadow: 0 12px 30px rgba(16,42,51,.05); }
.tone-light .value-card > span { color: #146f80; }
.tone-light .value-card p { color: var(--ink-muted); }
.tone-light .value-card:nth-child(2) > span { color: #b54f1b; }
.tone-light .discipline-list { border-color: rgba(16,42,51,.18); background: rgba(16,42,51,.18); }
.tone-light .discipline-list div { color: var(--ink); background: rgba(255,255,255,.19); }
.tone-light .discipline-list span { color: #a84816; }
.application-grid { display: grid; grid-template-columns: repeat(2,1fr); gap: 14px; }
.application-card { min-height: 235px; padding: 27px; border: 1px solid rgba(16,42,51,.15); border-radius: 18px; background: rgba(255,255,255,.2); }
.application-card:last-child { grid-column: 1 / -1; min-height: 200px; }
.application-card span { color: #a94919; font: 760 .7rem/1 monospace; }
.application-card h3 { margin: 40px 0 13px; font-size: 1.45rem; }
.application-card p { margin: 0; color: var(--ink-muted); }

.brand-section { border-top: 1px solid var(--line); }
.brand-block { display: grid; grid-template-columns: .45fr 1.55fr; gap: 70px; padding: 48px 0; border-bottom: 1px solid var(--line); }
.brand-name { font-size: 2rem; letter-spacing: -.04em; }.brand-name span { display: block; margin-top: 8px; color: var(--muted); font-size: .78rem; letter-spacing: .04em; }
.software-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px; }
.software-item { padding: 22px; border: 1px solid var(--line); border-radius: 15px; background: var(--panel); }
.software-item h3 { margin: 0 0 8px; font-size: 1.25rem; }.software-item p { margin: 0; color: var(--muted); font-size: .88rem; }.software-item .tag { display: inline-block; margin-bottom: 17px; color: var(--cyan); font: 730 .67rem/1 monospace; letter-spacing: .08em; }
.tone-light.brand-section { border-color: rgba(16,42,51,.18); }
.tone-light .brand-block { border-color: rgba(16,42,51,.18); }
.tone-light .brand-name span { color: var(--ink-muted); }
.tone-light .software-item { border-color: rgba(16,42,51,.13); background: rgba(255,255,255,.24); }
.tone-light .software-item p { color: var(--ink-muted); }
.tone-light .software-item .tag { color: #176f7f; }
.tone-light .brand-block:nth-child(2) .software-item { background: rgba(188,174,157,.34); }
.tone-light .brand-block:nth-child(3) .software-item .tag { color: #ae4d1a; }

.equipment-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 17px; }
.equipment-card { overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.equipment-image { position: relative; display: grid; place-items: center; width: 100%; aspect-ratio: 4 / 3; min-height: 220px; padding: 25px; overflow: hidden; background: radial-gradient(circle, rgba(41,137,154,.13), transparent 62%), var(--silver); }
.equipment-image::after { content: ""; position: absolute; inset: 0; opacity: .15; background-image: radial-gradient(#1f7f90 1px, transparent 1px); background-size: 14px 14px; }
.equipment-image img { position: relative; z-index: 2; width: 100%; height: 100%; max-height: 190px; object-fit: contain; object-position: center; filter: drop-shadow(0 16px 20px rgba(5,42,54,.22)); }
.equipment-body { padding: 24px; }.equipment-body .maker { color: var(--cyan); font: 750 .67rem/1 monospace; letter-spacing: .09em; }.equipment-body h3 { margin: 15px 0 11px; font-size: 1.45rem; }.equipment-body p { margin: 0; color: var(--muted); font-size: .88rem; }
.catalog-groups { display: grid; grid-template-columns: repeat(3, 1fr); gap: 15px; }.catalog-group { padding: 25px; border: 1px solid var(--line); border-radius: 17px; background: #082f3b; }.catalog-group h3 { margin-bottom: 14px; }.catalog-group ul { margin: 0; padding: 0; list-style: none; color: var(--muted); font-size: .88rem; }.catalog-group li { padding: 7px 0; border-top: 1px solid var(--line); }
.equipment-features { display: grid; gap: 30px; }
.equipment-feature { display: grid; grid-template-columns: 1.2fr .8fr; min-height: 430px; overflow: hidden; border: 1px solid rgba(16,42,51,.14); border-radius: 26px; background: rgba(255,255,255,.24); box-shadow: 0 22px 55px rgba(16,42,51,.09); }
.equipment-feature:nth-child(even) { grid-template-columns: .8fr 1.2fr; }
.equipment-feature:nth-child(even) .equipment-scene { order: 2; }
.equipment-scene { position: relative; min-height: 430px; overflow: hidden; }
.equipment-scene img { width: 100%; height: 100%; object-fit: cover; object-position: center; }
.equipment-scene::after { content: ""; position: absolute; inset: 0; box-shadow: inset 0 0 0 1px rgba(255,255,255,.16); pointer-events: none; }
.equipment-copy { display: flex; flex-direction: column; justify-content: center; padding: clamp(32px,5vw,62px); }
.equipment-copy .maker { color: #146f80; font: 780 .68rem/1 monospace; letter-spacing: .1em; }
.equipment-copy h3 { margin: 24px 0 18px; font-size: clamp(2rem,3.2vw,3.25rem); }
.equipment-copy p { margin: 0; color: var(--ink-muted); }
.equipment-copy .equipment-note { display: flex; align-items: center; gap: 9px; margin-top: 28px; color: #38585f; font-size: .78rem; font-weight: 720; text-transform: uppercase; letter-spacing: .06em; }
.equipment-note::before { content: ""; width: 24px; height: 3px; background: var(--orange); }
.text-link { display: inline-flex; align-items: center; gap: 11px; width: max-content; margin-top: 30px; color: var(--ink); text-decoration: none; font-weight: 760; }
.text-link::before { content: ""; width: 27px; height: 3px; background: var(--orange); transition: width .2s; }
.text-link:hover::before { width: 38px; }
.text-link span { color: #176f7f; }
.equipment-technical { display: grid; place-items: center; padding: 55px; background: radial-gradient(circle at 70% 24%, rgba(232,121,49,.16), transparent 23%), repeating-radial-gradient(ellipse at 30% 70%, transparent 0 23px, rgba(27,102,115,.12) 24px 25px), linear-gradient(145deg, #c7d5d6, #e7dfd2); }
.equipment-technical img { width: min(72%, 520px); height: auto; max-height: 260px; object-fit: contain; filter: drop-shadow(0 24px 26px rgba(16,42,51,.24)); }
.equipment-technical > span { position: absolute; right: 20px; bottom: 16px; color: #4c6267; font: 700 .7rem/1.2 monospace; text-transform: uppercase; letter-spacing: .06em; }
.equipment-official { display: grid; place-items: center; padding: 42px; background: radial-gradient(circle at 73% 22%, rgba(63,168,186,.18), transparent 28%), linear-gradient(145deg, #d7e5e7, #b8cdd1); }
.equipment-official img { width: min(92%, 650px); height: auto; max-height: 330px; object-fit: contain; filter: drop-shadow(0 24px 28px rgba(6,38,48,.25)); }
.equipment-official > span { position: absolute; right: 20px; bottom: 16px; color: #355a63; font: 700 .68rem/1.3 monospace; text-transform: uppercase; letter-spacing: .05em; }
.equipment-generated { background: #c9dfe6; }
.equipment-generated img { width: 100%; height: 100%; object-fit: cover; filter: none; }
.equipment-generated > span { position: absolute; z-index: 2; right: 18px; bottom: 16px; padding: 8px 11px; color: #dcebed; border: 1px solid rgba(184,225,233,.22); border-radius: 999px; background: rgba(4,28,38,.78); backdrop-filter: blur(8px); font: 700 .66rem/1.2 monospace; text-transform: uppercase; letter-spacing: .055em; }
.tone-light .catalog-group { color: var(--ink); border-color: rgba(16,42,51,.14); background: rgba(255,255,255,.22); }
.tone-light .catalog-group ul { color: var(--ink-muted); }
.tone-light .catalog-group li { border-color: rgba(16,42,51,.14); }
.tone-light .catalog-group:nth-child(2) { background: rgba(194,181,166,.38); }
.tone-light .catalog-group:nth-child(3) h3 { color: #9f4318; }

.training-layout { display: grid; grid-template-columns: .9fr 1.1fr; gap: 72px; align-items: center; }
.training-screen { overflow: hidden; border: 1px solid var(--line-strong); border-radius: var(--radius); background: #052731; box-shadow: var(--shadow); }
.screen-head { display: flex; align-items: center; gap: 6px; height: 39px; padding: 0 13px; color: #6f999f; font: 650 .63rem/1 monospace; }.screen-head i { width: 7px; height: 7px; border-radius: 50%; background: #49757e; }.screen-head i:first-child { background: var(--cyan); }.screen-head span { margin-left: auto; }
.screen-map { position: relative; height: 330px; overflow: hidden; background: repeating-radial-gradient(ellipse at 68% 42%, transparent 0 15px, rgba(94,188,202,.16) 16px 17px), linear-gradient(145deg, #0b4a58, #062a35); }
.screen-map::after { content: ""; position: absolute; inset: 0; background-image: linear-gradient(rgba(125,202,212,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(125,202,212,.07) 1px, transparent 1px); background-size: 28px 28px; }
.track { position: absolute; z-index: 2; left: 12%; width: 78%; height: 2px; background: var(--cyan); box-shadow: 0 0 8px rgba(105,209,221,.45); }.track.one { top: 31%; transform: rotate(18deg); }.track.two { top: 52%; transform: rotate(-8deg); }.track.three { top: 71%; transform: rotate(12deg); }.vessel { position: absolute; z-index: 3; top: 47%; left: 54%; color: var(--mint); }
.screen-stats { display: grid; grid-template-columns: repeat(3, 1fr); padding: 13px; border-top: 1px solid var(--line); }.screen-stats span { color: #719ba2; font: 650 .61rem/1 monospace; }.screen-stats b { display: block; margin-top: 6px; color: var(--text); font-size: .72rem; }
.training-copy h2 { margin-bottom: 22px; }.training-copy > p:not(.eyebrow) { color: var(--muted); }.level-list { display: grid; gap: 11px; margin-top: 31px; }.level-item { padding: 19px 20px; border: 1px solid var(--line); border-radius: 14px; background: var(--panel); }.level-item strong, .level-item span { display: block; }.level-item strong { margin-bottom: 5px; }.level-item span { color: var(--muted); font-size: .86rem; }
.program-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 16px; }.program-card { padding: 27px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }.program-card > span { color: var(--cyan); font: 750 .7rem/1 monospace; }.program-card h3 { margin: 38px 0 14px; font-size: 1.55rem; }.program-card ul { margin: 0; padding-left: 18px; color: var(--muted); }
.tone-light .level-item,
.tone-light .program-card { color: var(--ink); border-color: rgba(16,42,51,.14); background: rgba(255,255,255,.23); }
.tone-light .level-item span,
.tone-light .program-card ul { color: var(--ink-muted); }
.tone-light .program-card > span { color: #146f80; }
.tone-light .program-card:nth-child(2) { background: rgba(194,181,166,.38); }
.tone-light .program-card:nth-child(2) > span { color: #aa4819; }

.process-list { display: grid; grid-template-columns: repeat(4, 1fr); margin: 0; padding: 0; list-style: none; }.process-list li { position: relative; padding: 27px 24px 0 0; border-right: 1px solid var(--line); }.process-list li + li { padding-left: 24px; }.process-list li:last-child { border-right: 0; }.process-list li::before { content: ""; position: absolute; top: 0; left: 0; width: var(--section-accent-size); height: 1px; background: var(--cyan); }.process-list span { color: var(--cyan); font: 760 .7rem/1 monospace; }.process-list h3 { margin: 21px 0 9px; font-size: 1.3rem; }.process-list p { margin: 0; color: var(--muted); font-size: .87rem; }

.contact-band { padding: 84px 0; background: linear-gradient(120deg, #0c4b59, #07313e); }.contact-layout { display: grid; grid-template-columns: 1fr .8fr; gap: 80px; align-items: end; }.contact-layout h2 { margin-bottom: 18px; }.contact-layout p { margin: 0; color: #a9c5ca; }.contact-links { display: grid; gap: 10px; }.contact-link { position: relative; display: flex; flex-direction: column; padding: 17px 52px 16px 18px; border: 1px solid var(--line-strong); border-radius: 13px; text-decoration: none; background: rgba(4,28,38,.22); transition: background .2s, border-color .2s; }.contact-link:hover { border-color: var(--cyan); background: rgba(105,209,221,.08); }.contact-link span { color: #78a4ac; font-size: .72rem; }.contact-link strong { margin-top: 2px; font-size: 1.02rem; }.contact-link i { position: absolute; top: 50%; right: 19px; transform: translateY(-50%); color: var(--cyan); font-style: normal; }
.site-footer { padding: 36px 0; background: #031820; }.footer-wrap { display: grid; grid-template-columns: 145px 1fr auto; gap: 32px; align-items: center; }.footer-wrap img { width: 120px; height: 59px; object-fit: contain; filter: brightness(0) invert(1); opacity: .8; }.footer-wrap p, .footer-wrap span { margin: 0; color: #6f9298; font-size: .75rem; }.footer-wrap span { text-align: right; }
.context-visual { padding: 0; overflow: hidden; background: #0b323e; }
.context-visual > img { width: 100%; height: 480px; object-fit: cover; object-position: center; }
.scene-caption { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; padding: 18px 20px; }
.scene-caption strong { font-size: .93rem; }
.scene-caption span { color: #8fb1b7; font: 680 .7rem/1 monospace; }
.orange-mark { display: inline-block; width: 8px; height: 8px; margin-right: 8px; border-radius: 50%; background: var(--orange); }
.catalog-section { min-height: 600px; }
.software-preview-section { overflow: hidden; }
.software-preview-grid { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 16px; }
.software-preview-card { position: relative; display: grid; grid-template-rows: 220px 1fr; min-height: 440px; overflow: hidden; color: var(--ink); text-decoration: none; border: 1px solid rgba(16,42,51,.16); border-radius: 22px; background: rgba(255,255,255,.27); box-shadow: 0 15px 38px rgba(16,42,51,.07); transition: transform .22s, border-color .22s, box-shadow .22s; }
.software-preview-card:hover, .software-preview-card:focus-visible { transform: translateY(-5px); border-color: rgba(20,111,128,.45); outline: none; box-shadow: 0 24px 52px rgba(16,42,51,.14); }
.software-preview-card::after { content: ""; position: absolute; top: 0; right: 24px; width: 42px; height: 5px; background: var(--orange); }
.software-preview-media { display: grid; place-items: center; overflow: hidden; color: #89d6df; background: radial-gradient(circle at 74% 20%, rgba(82,188,204,.24), transparent 34%), linear-gradient(140deg, #062a37, #0c5361); }
.software-preview-media img { width: 100%; height: 100%; object-fit: contain; transition: transform .35s; }
.software-preview-card:hover .software-preview-media img { transform: scale(1.025); }
.software-preview-media b { font: 750 2.5rem/1 monospace; letter-spacing: -.08em; }
.software-preview-copy { display: flex; flex-direction: column; min-width: 0; padding: 24px; }
.software-preview-copy em { color: #176f7f; font: 760 .67rem/1.35 monospace; text-transform: uppercase; letter-spacing: .055em; }
.software-preview-copy strong { margin: 17px 0 10px; font-size: 1.45rem; line-height: 1.08; letter-spacing: -.03em; }
.software-preview-copy small { color: var(--ink-muted); font-size: .84rem; line-height: 1.55; }
.software-preview-copy i { margin-top: auto; padding-top: 22px; color: #294a52; font-size: .78rem; font-style: normal; font-weight: 780; }
.software-preview-primary { border-color: rgba(21,112,129,.3); background: linear-gradient(145deg, rgba(214,231,233,.88), rgba(255,255,255,.22)); }
.software-preview-primary .software-preview-copy i { color: #a94a1b; }
.catalog-toolbar { display: grid; grid-template-columns: .35fr 1fr; gap: 42px; align-items: center; margin: 0 0 42px; padding: 22px 24px; border: 1px solid rgba(16,42,51,.16); border-radius: 17px; background: rgba(255,255,255,.22); }
.catalog-toolbar label { font-weight: 760; }
.catalog-search { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 14px; }
.catalog-search input { width: 100%; min-height: 52px; padding: 0 16px; border: 1px solid rgba(16,42,51,.23); border-radius: 11px; outline: none; color: var(--ink); background: rgba(248,249,246,.62); font: inherit; }
.catalog-search input:focus { border-color: #177889; box-shadow: 0 0 0 3px rgba(23,120,137,.13); }
.catalog-search span { min-width: 66px; color: var(--ink-muted); font: 700 .74rem/1 monospace; text-align: right; }
.catalog-browser { display: grid; gap: 42px; }
.catalog-tree { display: grid; gap: 14px; }
.catalog-tree details[hidden], .tree-product[hidden] { display: none; }
.catalog-tree summary { list-style: none; cursor: pointer; }
.catalog-tree summary::-webkit-details-marker { display: none; }
.catalog-tree-manufacturer { overflow: hidden; border: 1px solid rgba(9,57,70,.24); border-radius: 20px; background: rgba(255,255,255,.2); box-shadow: 0 14px 34px rgba(5,35,44,.06); }
.catalog-tree-manufacturer > summary { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 24px; min-height: 82px; padding: 20px 64px 20px 24px; color: #d9eaec; background: linear-gradient(115deg, #07313e, #0b4c5a); }
.catalog-tree-manufacturer > summary::after { content: "+"; position: absolute; top: 50%; right: 24px; width: 27px; height: 27px; color: #8bd4df; transform: translateY(-50%); font: 400 1.55rem/27px monospace; text-align: center; }
.catalog-tree-manufacturer[open] > summary::after { content: "−"; }
.catalog-tree-manufacturer > summary span { display: flex; align-items: center; gap: 18px; font-size: clamp(1.2rem,2.5vw,1.65rem); font-weight: 760; letter-spacing: -.025em; }
.catalog-tree-manufacturer > summary span b { color: #74c8d5; font: 700 .7rem/1 monospace; letter-spacing: .07em; }
.catalog-tree-manufacturer > summary strong { color: #aac8cd; font: 700 .73rem/1 monospace; text-transform: uppercase; letter-spacing: .05em; }
.catalog-tree-categories { display: grid; gap: 10px; padding: 14px; background: linear-gradient(145deg, rgba(215,229,231,.74), rgba(239,234,224,.68)); }
.catalog-tree-category { overflow: hidden; border: 1px solid rgba(16,42,51,.14); border-radius: 14px; background: rgba(248,249,246,.52); }
.catalog-tree-category > summary { position: relative; display: flex; justify-content: space-between; align-items: center; gap: 18px; min-height: 60px; padding: 14px 52px 14px 18px; color: var(--ink); }
.catalog-tree-category > summary::after { content: "⌄"; position: absolute; top: 50%; right: 19px; color: #af4d1a; transform: translateY(-54%); font-size: 1.1rem; transition: transform .2s; }
.catalog-tree-category[open] > summary::after { transform: translateY(-45%) rotate(180deg); }
.catalog-tree-category > summary span { font-size: 1rem; font-weight: 760; }
.catalog-tree-category > summary strong { display: grid; place-items: center; min-width: 29px; height: 29px; border-radius: 999px; color: #28515a; background: rgba(22,111,128,.1); font: 760 .72rem/1 monospace; }
.tree-product-list { display: grid; border-top: 1px solid rgba(16,42,51,.12); }
.tree-product { display: grid; grid-template-columns: 62px minmax(0,1fr) auto; gap: 18px; align-items: center; min-height: 102px; padding: 15px 18px; color: var(--ink); text-decoration: none; border-bottom: 1px solid rgba(16,42,51,.11); background: rgba(255,255,255,.2); transition: background .2s, transform .2s; }
.tree-product:last-child { border-bottom: 0; }
.tree-product:hover, .tree-product:focus-visible { z-index: 1; outline: none; background: rgba(255,255,255,.68); box-shadow: inset 4px 0 #e87931; }
.tree-product-visual { display: grid; place-items: center; width: 62px; height: 62px; overflow: hidden; border: 1px solid rgba(16,42,51,.12); border-radius: 11px; color: #176f7f; background: linear-gradient(145deg, #eaf1f1, #d3e2e4); }
.tree-product-visual img { width: 100%; height: 100%; padding: 5px; object-fit: contain; }
.tree-product-concept { position: relative; }
.tree-product-concept img { padding: 0; object-fit: cover; filter: saturate(.82); }
.tree-product-concept::after { content: "категория"; position: absolute; right: 3px; bottom: 3px; left: 3px; padding: 3px; color: #dcebed; border-radius: 5px; background: rgba(4,28,38,.82); font: 680 .48rem/1 monospace; text-align: center; text-transform: uppercase; letter-spacing: .04em; }
.tree-product-visual b { font: 760 .73rem/1 monospace; letter-spacing: .04em; }
.tree-product-copy { min-width: 0; }
.tree-product-copy strong, .tree-product-copy small, .tree-product-copy em { display: block; }
.tree-product-copy strong { font-size: 1.02rem; line-height: 1.25; }
.tree-product-copy small { margin-top: 6px; color: var(--ink-muted); font-size: .82rem; line-height: 1.45; }
.tree-product-copy em { margin-top: 8px; color: #176f7f; font: 700 .66rem/1.3 monospace; text-transform: uppercase; letter-spacing: .045em; }
.tree-product-action { display: inline-flex; align-items: center; gap: 9px; min-height: 40px; padding: 0 14px; border: 1px solid rgba(16,42,51,.2); border-radius: 9px; color: #294a52; font-size: .78rem; font-weight: 760; white-space: nowrap; }
.tree-product-action i { color: #b34d19; font-style: normal; }
.catalog-brand { padding-top: 3px; }
.catalog-brand[hidden], .catalog-card[hidden] { display: none; }
.catalog-brand-head { display: flex; justify-content: space-between; align-items: baseline; gap: 30px; margin-bottom: 16px; padding-bottom: 13px; border-bottom: 1px solid rgba(16,42,51,.2); }
.catalog-brand-head p { margin: 0; font-size: clamp(1.45rem,2.4vw,2rem); font-weight: 720; letter-spacing: -.03em; }
.catalog-brand-head span { color: var(--ink-muted); font: 700 .72rem/1 monospace; text-transform: uppercase; }
.catalog-card-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 13px; }
.catalog-card { position: relative; display: flex; flex-direction: column; min-height: 190px; padding: 22px; overflow: hidden; border: 1px solid rgba(16,42,51,.14); border-radius: 17px; color: var(--ink); text-decoration: none; background: rgba(255,255,255,.25); transition: transform .2s, border-color .2s, background .2s; }
.catalog-card:hover { transform: translateY(-3px); border-color: rgba(16,42,51,.32); background: rgba(255,255,255,.4); }
.catalog-card::after { content: ""; position: absolute; top: 0; right: 22px; width: 32px; height: 4px; background: var(--orange); opacity: .78; }
.catalog-card > span { color: #176f7f; font: 760 .68rem/1.25 monospace; text-transform: uppercase; letter-spacing: .06em; }
.catalog-card h3 { margin: 28px 0 14px; font-size: 1.2rem; line-height: 1.18; letter-spacing: -.025em; }
.catalog-card p { margin: 0 0 20px; color: var(--ink-muted); font-size: .86rem; line-height: 1.55; }
.catalog-card strong { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-top: auto; color: #294a52; font-size: .78rem; }
.catalog-card strong i { color: #ae4a19; font-style: normal; }
.catalog-loading, .catalog-error { margin: 0; padding: 35px; border: 1px solid rgba(16,42,51,.14); border-radius: 17px; color: var(--ink-muted); background: rgba(255,255,255,.22); }
.detail-loading { min-height: 70vh; padding: 180px 0; color: var(--text); background: var(--navy); }
.detail-hero { padding: 160px 0 88px; }
.detail-hero h1 { max-width: 980px; color: var(--ink); font-size: clamp(3rem,6vw,5.7rem); }
.detail-hero .breadcrumb { color: #5d7479; }
.detail-lead { max-width: 820px; margin: 0 0 32px; color: var(--ink-muted); font-size: 1.15rem; }
.detail-button { color: var(--ink); border-color: rgba(16,42,51,.3); background: rgba(255,255,255,.28); }
.detail-button:hover { border-color: #177889; background: rgba(255,255,255,.48); }
.detail-blocks { display: grid; gap: 20px; }
.detail-block { display: grid; grid-template-columns: 55px minmax(210px,.45fr) 1fr; gap: 28px; padding: 38px; border: 1px solid rgba(16,42,51,.14); border-radius: 21px; background: rgba(255,255,255,.22); }
.detail-block > span { color: #aa4819; font: 760 .72rem/1 monospace; }
.detail-block h2 { margin: 0; font-size: clamp(1.5rem,2.6vw,2.3rem); }
.detail-block-accent { background: linear-gradient(130deg, rgba(199,218,220,.62), rgba(255,255,255,.2)); }
.rich-text { color: var(--ink-muted); }
.rich-text p { margin: 0 0 16px; }
.rich-text p:last-child { margin-bottom: 0; }
.rich-text ul { margin: 0 0 18px; padding-left: 20px; }
.rich-text li { margin: 7px 0; }
.rich-text strong { color: var(--ink); }
.equipment-detail-layout { display: grid; grid-template-columns: .8fr 1.2fr; gap: 65px; align-items: start; }
.detail-equipment-visual { position: sticky; top: 110px; display: grid; place-items: center; min-height: 430px; margin: 0; padding: 55px; overflow: hidden; border: 1px solid rgba(16,42,51,.14); border-radius: 24px; background: radial-gradient(circle at 70% 25%, rgba(232,121,49,.14), transparent 23%), repeating-radial-gradient(ellipse at 32% 70%, transparent 0 24px, rgba(27,102,115,.11) 25px 26px), #cedbdd; }
.detail-equipment-visual img { width: 100%; max-height: 290px; object-fit: contain; filter: drop-shadow(0 22px 28px rgba(16,42,51,.24)); }
.detail-equipment-concept { padding: 0; background: #092d39; }
.detail-equipment-concept img { width: 100%; height: 430px; max-height: none; object-fit: cover; filter: saturate(.8); }
.detail-equipment-concept figcaption { right: 0; bottom: 0; left: 0; padding: 12px 16px; color: #d7e7e9; border: 0; background: rgba(4,28,38,.88); }
.detail-equipment-visual figcaption { position: absolute; right: 18px; bottom: 15px; left: 18px; padding-top: 11px; color: #46636a; border-top: 1px solid rgba(16,42,51,.14); font-size: .7rem; line-height: 1.45; }
.detail-equipment-placeholder { align-content: center; gap: 14px; color: var(--ink); text-align: center; }
.detail-equipment-placeholder span { color: #176f7f; font: 760 .72rem/1 monospace; text-transform: uppercase; }
.detail-equipment-placeholder strong { font-size: clamp(1.7rem,3vw,2.7rem); line-height: 1.08; }
.detail-equipment-placeholder small { max-width: 280px; color: var(--ink-muted); font-size: .78rem; line-height: 1.45; }
.equipment-detail-copy .rich-text { font-size: 1rem; line-height: 1.72; }
.detail-meta { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin: 34px 0; }
.detail-meta div { padding: 17px; border: 1px solid rgba(16,42,51,.14); border-radius: 13px; background: rgba(255,255,255,.2); }
.detail-meta span, .detail-meta strong { display: block; }
.detail-meta span { margin-bottom: 6px; color: var(--ink-muted); font-size: .72rem; }
.detail-meta strong { font-size: .9rem; }
.detail-gallery-section { color: var(--text); background: radial-gradient(circle at 15% 20%, rgba(68,177,195,.17), transparent 27%), linear-gradient(135deg, #05242f, #0b4553 60%, #07313d); }
.detail-section-heading > p { color: #9abcc2; }
.detail-gallery { display: grid; grid-template-columns: repeat(2, minmax(0,1fr)); gap: 16px; }
.detail-gallery figure { min-height: 250px; margin: 0; overflow: hidden; border: 1px solid rgba(152,219,228,.2); border-radius: 20px; background: rgba(2,24,32,.48); }
.detail-gallery img { width: 100%; height: 100%; max-height: 460px; object-fit: contain; background: #eef2f1; }
.detail-gallery figure:only-child { grid-column: 1 / -1; }
.detail-related { padding: 78px 0; color: var(--text); border-top: 1px solid rgba(140,207,217,.14); background: radial-gradient(circle at 84% 32%, rgba(83,190,205,.16), transparent 25%), linear-gradient(120deg, #082f3b, #041e28); }
.detail-related-layout { display: grid; grid-template-columns: minmax(0,1fr) minmax(280px,.62fr); gap: 70px; align-items: center; }
.detail-related h2 { margin-bottom: 16px; font-size: clamp(2rem,3.8vw,3.6rem); }
.detail-related p:not(.eyebrow) { max-width: 710px; margin: 0; color: #a9c5ca; }
.detail-related .button { justify-self: end; }
.detail-materials { display: grid; gap: 10px; }
.detail-materials div { padding: 18px 20px; border: 1px solid rgba(152,219,228,.2); border-radius: 14px; background: rgba(5,28,38,.42); }
.detail-material-link { display: block; padding: 18px 20px; color: inherit; text-decoration: none; border: 1px solid rgba(152,219,228,.2); border-radius: 14px; background: rgba(5,28,38,.42); transition: border-color .2s, background .2s; }
.detail-material-link:hover { border-color: rgba(105,209,221,.58); background: rgba(105,209,221,.08); }
.detail-materials span, .detail-materials strong { display: block; }
.detail-materials span { margin-bottom: 5px; color: #7fa8af; font-size: .72rem; }
.detail-materials strong { color: #dbe9ea; overflow-wrap: anywhere; font-size: .9rem; }
.reveal { opacity: 1; transform: none; transition: opacity .6s, transform .6s; }.reveal.visible { opacity: 1; transform: none; }

@media (max-width: 1030px) { .hero-layout { grid-template-columns: 1fr; gap: 58px; }.hero-copy { max-width: 790px; }.hero-instrument { width: min(100%, 760px); }.discipline-list { grid-template-columns: repeat(3, 1fr); }.brand-block { grid-template-columns: 1fr; gap: 27px; }.equipment-grid { grid-template-columns: repeat(2, 1fr); }.equipment-feature, .equipment-feature:nth-child(even) { grid-template-columns: 1fr; }.equipment-feature:nth-child(even) .equipment-scene { order: 0; }.software-preview-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }.catalog-card-grid { grid-template-columns: repeat(2,1fr); }.equipment-detail-layout { grid-template-columns: 1fr; }.detail-equipment-visual { position: relative; top: auto; } }
@media (max-width: 860px) {
  .site-header { height: 72px; }.brand { width: 126px; height: 68px; flex-basis: 126px; }.brand img { width: 112px; height: 56px; }.menu-toggle { display: block; }.main-nav { position: absolute; top: 71px; right: 0; left: 0; display: none; align-items: stretch; gap: 0; padding: 12px 20px 22px; border-bottom: 1px solid var(--line); background: #05242f; box-shadow: 0 18px 30px rgba(0,10,16,.3); }.main-nav.open { display: grid; }.main-nav a { padding: 12px 4px; }.main-nav a[aria-current="page"]::after { display: none; }.nav-group { display: grid; grid-template-columns: minmax(0,1fr) 44px; gap: 0; }.nav-submenu-toggle { width: 40px; height: 40px; align-self: center; justify-self: end; }.nav-submenu { position: static; grid-column: 1 / -1; display: none; min-width: 0; margin: 0 0 8px; padding: 6px 8px; border-radius: 10px; box-shadow: none; opacity: 1; visibility: visible; transform: none; background: rgba(105,209,221,.055); }.nav-group.submenu-open .nav-submenu, .nav-group:focus-within .nav-submenu { display: grid; }.nav-submenu a { min-height: 40px; padding: 8px 10px; }.nav-contact { margin-top: 8px; padding-inline: 15px !important; text-align: center; }
  .home-hero { padding-top: 132px; }.page-hero { min-height: 440px; padding-top: 132px; }.section { padding: 82px 0; }.section-heading, .contact-layout, .training-layout, .detail-related-layout { grid-template-columns: 1fr; gap: 23px; }.module-grid, .value-grid { grid-template-columns: 1fr; }.module-card { min-height: 290px; }.discipline-list { grid-template-columns: 1fr 1fr; }.application-grid { grid-template-columns: 1fr; }.application-card:last-child { grid-column: auto; }.software-grid { grid-template-columns: 1fr; }.equipment-grid, .catalog-groups { grid-template-columns: 1fr; }.equipment-scene { min-height: 330px; }.process-list { grid-template-columns: 1fr 1fr; row-gap: 42px; }.process-list li:nth-child(2) { border-right: 0; }.process-list li:nth-child(3) { padding-left: 0; }.catalog-toolbar { grid-template-columns: 1fr; gap: 12px; }.tree-product { grid-template-columns: 54px minmax(0,1fr); }.tree-product-visual { width: 54px; height: 54px; }.tree-product-action { grid-column: 2; width: max-content; }.detail-block { grid-template-columns: 42px 1fr; }.detail-block .rich-text { grid-column: 2; }.detail-related .button { justify-self: start; }.footer-wrap { grid-template-columns: 125px 1fr; }.footer-wrap span { grid-column: 2; text-align: left; }
}
@media (max-width: 560px) {
  .container { width: min(calc(100% - 28px), var(--max)); }.home-hero { padding: 116px 0 78px; }.page-hero { min-height: 410px; padding: 118px 0 62px; } h1 { font-size: 2.8rem; }.page-hero h1, .detail-hero h1 { font-size: 2.75rem; }.lead { font-size: 1.02rem; }.button-row { display: grid; }.button { width: 100%; }.sonar-field { height: 300px; }.sonar-field img { width: 55%; height: 150px; }.instrument-data { grid-template-columns: 1fr; }.section-heading h2, .training-copy h2 { font-size: 2.25rem; }.module-card { padding: 24px; }.discipline-list { grid-template-columns: 1fr; }.equipment-image { min-height: 200px; }.equipment-scene { min-height: 245px; }.equipment-copy { padding: 28px 24px 34px; }.equipment-technical, .equipment-official { padding: 30px; }.equipment-technical > span, .equipment-official > span { font-size: .58rem; }.software-preview-grid, .program-grid, .catalog-card-grid, .detail-gallery { grid-template-columns: 1fr; }.software-preview-card { grid-template-rows: 195px 1fr; min-height: 410px; }.detail-gallery figure:only-child { grid-column: auto; }.catalog-search { grid-template-columns: 1fr; }.catalog-search span { text-align: left; }.catalog-tree-manufacturer > summary { align-items: flex-start; min-height: 76px; padding: 17px 52px 17px 17px; }.catalog-tree-manufacturer > summary span { gap: 10px; }.catalog-tree-manufacturer > summary strong { margin-top: 5px; font-size: .62rem; }.catalog-tree-manufacturer > summary::after { right: 15px; }.catalog-tree-categories { padding: 8px; }.catalog-tree-category > summary { padding-left: 14px; }.tree-product { grid-template-columns: 44px minmax(0,1fr); gap: 12px; padding: 14px; }.tree-product-visual { width: 44px; height: 44px; }.tree-product-copy small { display: none; }.tree-product-action { min-height: 36px; padding: 0 11px; }.detail-hero { padding: 126px 0 65px; }.detail-block { grid-template-columns: 1fr; padding: 27px 23px; }.detail-block .rich-text { grid-column: 1; }.detail-equipment-visual { min-height: 340px; padding-bottom: 80px; }.detail-meta { grid-template-columns: 1fr; }.detail-related { padding: 64px 0; }.process-list { grid-template-columns: 1fr; border-top: 0; }.process-list li, .process-list li + li { padding: 18px 0 0; border-right: 0; }.screen-map { height: 250px; }.context-visual > img { height: 300px; }.scene-caption { grid-template-columns: 1fr; gap: 7px; }.footer-wrap { grid-template-columns: 1fr; gap: 12px; }.footer-wrap span { grid-column: 1; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { transition-duration: .01ms !important; animation-duration: .01ms !important; }.reveal { opacity: 1; transform: none; } }

/* Alternate concept: hydrographic atlas / engineering editorial system */
body.atlas-site {
  --deep: #061a35;
  --navy: #082650;
  --navy-2: #0b3970;
  --panel: #0b2d58;
  --panel-2: #10427d;
  --cyan: #6dd9ea;
  --ice: #dce9ec;
  --cream: #eee8dc;
  --mushroom: #d1c8b8;
  --soft-gray: #ccd7d9;
  --ink: #0b2442;
  --ink-muted: #506477;
  --orange: #ed7a31;
  --line: rgba(130, 199, 226, .2);
  --line-strong: rgba(130, 199, 226, .42);
  --radius: 6px;
  background: #061a35;
}
body.atlas-site::before {
  content: "";
  position: fixed;
  z-index: -1;
  inset: 0;
  opacity: .08;
  background-image: linear-gradient(rgba(128,202,226,.28) 1px, transparent 1px), linear-gradient(90deg, rgba(128,202,226,.28) 1px, transparent 1px);
  background-size: 44px 44px;
}
.atlas-site .container { width: min(calc(100% - 56px), 1240px); }
@media (min-width: 1101px) {
  .atlas-site .site-header .nav-wrap { width: 100%; padding-inline: clamp(24px,1.8vw,48px); }
}
.atlas-site .site-header { height: 76px; border-bottom-color: rgba(141,210,231,.25); background: rgba(5,23,48,.94); }
.atlas-site .site-header.scrolled { background: rgba(5,23,48,.985); }
.atlas-site .brand { height: 70px; }
.atlas-site .brand img { width: 137px; height: 61px; }
.atlas-site .main-nav { gap: clamp(14px,1.5vw,22px); }
.atlas-site .main-nav a { padding-block: 26px 23px; font-size: 1rem; font-weight: 680; letter-spacing: .005em; }
.atlas-site .nav-contact,
.atlas-site .nav-submenu-toggle,
.atlas-site .nav-submenu,
.atlas-site .nav-submenu a { border-radius: 2px; }
.atlas-site .nav-contact { border-color: #ed7a31; background: rgba(237,122,49,.08); }
.atlas-site .eyebrow { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .7rem; letter-spacing: .17em; }
.atlas-site .eyebrow::before { width: var(--section-accent-size); height: 1px; }
.atlas-site h1,
.atlas-site h2,
.atlas-site h3 { letter-spacing: -.047em; }
.atlas-site h1 { font-weight: 610; }
.atlas-site .home-hero {
  min-height: 650px;
  padding: 138px 0 70px;
  background: radial-gradient(circle at 82% 18%, rgba(34,118,204,.33), transparent 28%), linear-gradient(112deg, #04172f 0 47%, #082a59 47% 100%);
}
.atlas-site .hero-layout { grid-template-columns: minmax(0,1.4fr) minmax(0,1fr); gap: 24px clamp(28px,3vw,44px); align-items: end; }
.atlas-site .hero-copy { min-width: 0; }
.atlas-site .hero-copy h1,
.atlas-site .page-hero h1 { max-width: none; font-size: var(--hero-title-size); line-height: 1.08; text-wrap: balance; }
.atlas-site .hero-copy h1 { color: #d9e8eb; font-weight: 560; }
.atlas-site .hero-copy .lead { max-width: 620px; font-size: clamp(1.03rem,1.3vw,1.22rem); }
.atlas-site .hero-route { grid-column: 1 / -1; margin: 0; color: #8db2c8; line-height: 1.7; }
.atlas-site .hero-instrument { padding: 0; border-radius: 0; border-width: 1px 1px 1px 8px; border-left-color: #ed7a31; box-shadow: 28px 28px 0 rgba(1,13,31,.24); }
.atlas-site .context-visual > img { height: clamp(300px,26vw,370px); }
.atlas-site .scene-caption { min-height: 62px; padding: 14px 18px; border-top: 1px solid rgba(129,206,230,.2); }
.atlas-site .button { border-radius: 2px; }
.atlas-site .button-primary { color: #071a35; background: #79dcec; }
.atlas-site .section { padding: 112px 0; }
.atlas-site .section-heading { grid-template-columns: minmax(0,1.35fr) minmax(270px,.65fr); gap: 100px; margin-bottom: 56px; }
.atlas-site .section-heading h2 { max-width: 840px; }
.atlas-site .tone-gray { background: linear-gradient(90deg, rgba(11,57,112,.07) 1px, transparent 1px), linear-gradient(#d4e0e2, #cbd9dd); background-size: 88px 100%, auto; }
.atlas-site .tone-cream { background: radial-gradient(circle at 90% 10%, rgba(52,118,174,.1), transparent 28%), linear-gradient(180deg, #eee9df, #e4e2dc); }
.atlas-site .tone-mushroom { background: linear-gradient(90deg, rgba(8,41,78,.05) 1px, transparent 1px), linear-gradient(180deg, #d7d4ce, #cbd5d6); background-size: 88px 100%, auto; }
.atlas-site .tone-ice { background: linear-gradient(90deg, rgba(6,42,83,.05) 1px, transparent 1px), linear-gradient(180deg, #dde9ec, #d2e0e4); background-size: 88px 100%, auto; }
.atlas-site .module-grid { grid-template-columns: repeat(12,minmax(0,1fr)); gap: 12px; }
.atlas-site .module-card { min-height: 315px; padding: 30px 32px; border-radius: 0; box-shadow: none; }
.atlas-site .module-card::after { width: 190px; height: 190px; right: -95px; bottom: -95px; border-radius: 0; transform: rotate(45deg); box-shadow: none; }
.atlas-site .module-card::before { top: 0; right: auto; left: 0; width: 7px; height: 100%; }
.atlas-site .module-card h3 { margin-top: 68px; }
.atlas-site .module-equipment { grid-column: span 7; color: #e4eff2 !important; background: linear-gradient(125deg,#08264e,#0d4d88) !important; }
.atlas-site .module-equipment p { color: #a9c5d5 !important; }
.atlas-site .module-equipment .module-index { color: #7edcec !important; }
.atlas-site .module-equipment .module-arrow,
.atlas-site .module-equipment .module-tags span { color: #d9e9ee !important; border-color: rgba(172,222,238,.28) !important; }
.atlas-site .module-software { grid-column: span 5; background: #d4e5e8; }
.atlas-site .module-integration { grid-column: span 5; background: #c7d3d4; }
.atlas-site .module-training { grid-column: span 7; background: #ede5d7; }
.atlas-site .module-arrow { border-radius: 0; }
.atlas-site .module-tags span { border-radius: 1px; }
.atlas-site .page-hero {
  min-height: 480px;
  padding: 155px 0 78px;
  background: radial-gradient(circle at 78% 25%, rgba(47,138,219,.32), transparent 27%), linear-gradient(110deg,#051933,#092f63);
}
.atlas-site .software-preview-grid { grid-template-columns: repeat(12,minmax(0,1fr)); gap: 12px; }
.atlas-site .software-preview-card { grid-column: span 4; grid-template-rows: 205px 1fr; min-height: 430px; border-radius: 0; box-shadow: none; }
.atlas-site .software-preview-card:nth-child(1) { grid-column: span 7; grid-template-columns: 1.15fr .85fr; grid-template-rows: 1fr; min-height: 470px; }
.atlas-site .software-preview-card:nth-child(2) { grid-column: span 5; min-height: 470px; }
.atlas-site .software-preview-card::after { right: auto; left: 0; width: 54px; height: 7px; }
.atlas-site .software-preview-card:hover { transform: translateY(-3px); box-shadow: 12px 12px 0 rgba(7,36,67,.1); }
.atlas-site .software-preview-media { background: linear-gradient(135deg,#061a35,#0c417a); }
.atlas-site .software-preview-copy { padding: 27px; }
.atlas-site .software-preview-copy strong { font-size: 1.58rem; }
.atlas-site .equipment-features { gap: 14px; }
.atlas-site .equipment-feature,
.atlas-site .equipment-feature:nth-child(even) { grid-template-columns: minmax(0,1.35fr) minmax(320px,.65fr); min-height: 400px; border-radius: 0; box-shadow: none; }
.atlas-site .equipment-feature:nth-child(even) .equipment-scene { order: 0; }
.atlas-site .equipment-feature:nth-child(even) .equipment-copy { order: -1; border-right: 1px solid rgba(11,44,72,.16); }
.atlas-site .equipment-scene { min-height: 400px; }
.atlas-site .equipment-copy { padding: clamp(30px,4.5vw,58px); }
.atlas-site .equipment-copy h3 { font-size: clamp(2.2rem,4vw,4rem); }
.atlas-site .catalog-toolbar { grid-template-columns: .25fr 1fr; padding: 18px 20px; border-radius: 0; border-left: 6px solid #ed7a31; background: rgba(255,255,255,.34); }
.atlas-site .catalog-search input { border-radius: 0; }
.atlas-site .catalog-tree { gap: 8px; }
.atlas-site .catalog-tree-manufacturer { border-radius: 0; box-shadow: none; }
.atlas-site .catalog-tree-manufacturer > summary { min-height: 94px; border-left: 8px solid #1c73bf; background: linear-gradient(90deg,#061d3c,#0b3972); }
.atlas-site .catalog-tree-manufacturer:first-child > summary { border-left-color: #ed7a31; background: linear-gradient(90deg,#061a35,#0c4a88); }
.atlas-site .catalog-tree-manufacturer > summary span { font-size: clamp(1.5rem,3vw,2.25rem); }
.atlas-site .catalog-tree-manufacturer > summary span b { font-size: .8rem; }
.atlas-site .catalog-tree-categories { gap: 1px; padding: 1px; background: rgba(8,44,79,.18); }
.atlas-site .catalog-tree-category { border: 0; border-radius: 0; }
.atlas-site .catalog-tree-category > summary { min-height: 64px; padding-left: 24px; background: rgba(249,250,247,.7); }
.atlas-site .tree-product { min-height: 108px; border-left: 4px solid transparent; background: rgba(255,255,255,.36); }
.atlas-site .tree-product:hover { transform: none; border-left-color: #ed7a31; box-shadow: none; }
.atlas-site .tree-product-visual,
.atlas-site .tree-product-action { border-radius: 0; }
.atlas-site .detail-hero { position: relative; padding: 150px 0 82px; overflow: hidden; }
.atlas-site .detail-hero::after { content: ""; position: absolute; inset: 0 0 0 63%; z-index: -1; opacity: .28; background: repeating-linear-gradient(90deg,#1b65a0 0 1px,transparent 1px 38px); }
.atlas-site .detail-hero h1 { max-width: 1060px; font-size: clamp(3.1rem,6.2vw,6.2rem); }
.atlas-site .detail-blocks { gap: 1px; border: 1px solid rgba(10,43,73,.16); background: rgba(10,43,73,.16); }
.atlas-site .detail-block { border: 0; border-radius: 0; background: rgba(255,255,255,.45); }
.atlas-site .detail-block-accent { border-left: 6px solid #ed7a31; background: rgba(206,225,231,.72); }
.atlas-site .equipment-detail-layout { grid-template-columns: minmax(360px,.9fr) minmax(0,1.1fr); }
.atlas-site .detail-equipment-visual,
.atlas-site .detail-meta div,
.atlas-site .detail-materials div,
.atlas-site .detail-material-link { border-radius: 0; }
.atlas-site .detail-equipment-visual { border-left: 7px solid #1d70b7; }
.atlas-site .detail-gallery-section { background: linear-gradient(90deg,rgba(56,140,205,.08) 1px,transparent 1px), linear-gradient(125deg,#041831,#0a3769); background-size: 88px 100%, auto; }
.atlas-site .detail-gallery { grid-template-columns: repeat(12,minmax(0,1fr)); gap: 10px; }
.atlas-site .detail-gallery figure { grid-column: span 5; display: grid; grid-template-rows: minmax(280px,1fr) auto; min-height: 330px; border-radius: 0; }
.atlas-site .detail-gallery figure:first-child { grid-column: span 7; }
.atlas-site .detail-gallery figure:nth-child(n+3) { grid-column: span 6; }
.atlas-site .detail-gallery figure:last-child:nth-child(odd) { grid-column: span 12; }
.atlas-site .detail-gallery img { min-height: 280px; max-height: 520px; object-fit: contain; }
.atlas-site .detail-gallery .gallery-concept img { object-fit: cover; background: #082d39; }
.atlas-site .detail-gallery figcaption { padding: 12px 15px; color: #a7c5d3; border-top: 1px solid rgba(147,211,232,.2); font: 650 .68rem/1.5 ui-monospace,monospace; }
.atlas-site .detail-related { background: linear-gradient(120deg,#061a35,#0b3970); }
.atlas-site .contact-band { background: linear-gradient(105deg,#07224a,#0a4177); }

@media (max-width: 1030px) {
  .atlas-site .hero-layout { grid-template-columns: 1fr; }
  .atlas-site .hero-copy { max-width: none; }
  .atlas-site .hero-instrument { max-width: 820px; }
  .atlas-site .software-preview-card,
  .atlas-site .software-preview-card:nth-child(1),
  .atlas-site .software-preview-card:nth-child(2) { grid-column: span 6; grid-template-columns: 1fr; grid-template-rows: 210px 1fr; min-height: 430px; }
  .atlas-site .equipment-detail-layout { grid-template-columns: 1fr; }
}
@media (max-width: 860px) {
  .atlas-site .container { width: min(calc(100% - 36px), 1240px); }
  .atlas-site .site-header { height: 72px; }
  .atlas-site .main-nav { top: 71px; background: #061a35; }
  .atlas-site .nav-submenu { border-radius: 0; }
  .atlas-site .section-heading { grid-template-columns: 1fr; gap: 22px; }
  .atlas-site .module-equipment,
  .atlas-site .module-software,
  .atlas-site .module-integration,
  .atlas-site .module-training { grid-column: span 12; }
  .atlas-site .equipment-feature,
  .atlas-site .equipment-feature:nth-child(even) { grid-template-columns: 1fr; }
  .atlas-site .equipment-feature:nth-child(even) .equipment-copy { order: 0; }
  .atlas-site .catalog-toolbar { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .atlas-site .container { width: min(calc(100% - 24px), 1240px); }
  .atlas-site .home-hero { padding-top: 120px; }
  .atlas-site .detail-hero h1 { font-size: 2.75rem; }
  .atlas-site .hero-instrument { border-left-width: 5px; box-shadow: 12px 12px 0 rgba(1,13,31,.24); }
  .atlas-site .section { padding: 78px 0; }
  .atlas-site .module-card { min-height: 285px; padding: 24px; }
  .atlas-site .software-preview-card,
  .atlas-site .software-preview-card:nth-child(1),
  .atlas-site .software-preview-card:nth-child(2) { grid-column: span 12; min-height: 405px; }
  .atlas-site .equipment-feature { min-height: 0; }
  .atlas-site .equipment-scene { min-height: 245px; }
  .atlas-site .catalog-tree-manufacturer > summary { min-height: 82px; border-left-width: 5px; }
  .atlas-site .catalog-tree-manufacturer > summary span { font-size: 1.2rem; }
  .atlas-site .detail-gallery figure,
  .atlas-site .detail-gallery figure:first-child,
  .atlas-site .detail-gallery figure:nth-child(n+3) { grid-column: span 12; min-height: 280px; grid-template-rows: minmax(220px,1fr) auto; }
  .atlas-site .detail-gallery img { min-height: 220px; }
}

/* Preferred refinement: rounded surfaces and the softer v8 colour family */
body.atlas-site {
  --deep: #041c26;
  --navy: #062a37;
  --navy-2: #083744;
  --panel: #0a3d4a;
  --panel-2: #0d4654;
  --teal: #2a9bb0;
  --cyan: #69d1dd;
  --mint: #86dfd0;
  --ice: #d9e7e9;
  --cream: #e8dfd1;
  --mushroom: #c2b5a6;
  --soft-gray: #cbd1d0;
  --ink: #102a33;
  --ink-muted: #536a70;
  --orange: #e87931;
  --line: rgba(142,207,217,.17);
  --line-strong: rgba(142,207,217,.3);
  --radius: 24px;
  background: #041c26;
}
.atlas-site .home-hero {
  background: radial-gradient(circle at 80% 24%, rgba(46,157,178,.26), transparent 31%), linear-gradient(116deg,#041c26 0 48%,#083744 48% 100%);
}
.atlas-site .page-hero {
  background: radial-gradient(circle at 80% 25%, rgba(50,168,188,.21), transparent 29%), linear-gradient(112deg,#041c26,#073746);
}
.atlas-site .tone-sky {
  color: var(--ink);
  background: radial-gradient(circle at 84% 12%, rgba(255,255,255,.48), transparent 30%), linear-gradient(180deg,#d8eaee 0%,#cbe1e6 100%);
}
.atlas-site .tone-sky .eyebrow { color: #167386; }
.atlas-site .tone-sky .section-heading > p { color: var(--ink-muted); }
.atlas-site .tone-gray {
  background: linear-gradient(90deg,rgba(16,72,84,.035) 1px,transparent 1px), linear-gradient(180deg,#d3dcdb,#cbd4d3);
  background-size: 88px 100%,auto;
}
.atlas-site .tone-cream { background: radial-gradient(circle at 90% 10%,rgba(255,255,255,.38),transparent 29%), linear-gradient(180deg,#eee6da,#e5ddcf); }
.atlas-site .tone-mushroom { background: linear-gradient(90deg,rgba(16,55,64,.035) 1px,transparent 1px),linear-gradient(180deg,#cec5b9,#c4c1ba); background-size: 88px 100%,auto; }
.atlas-site .tone-ice { background: linear-gradient(90deg,rgba(15,79,91,.035) 1px,transparent 1px),linear-gradient(180deg,#dce9eb,#d3e2e4); background-size: 88px 100%,auto; }
.atlas-site .site-header { border-bottom-color: rgba(142,207,217,.18); background: rgba(4,28,38,.93); }
.atlas-site .site-header.scrolled { background: rgba(4,28,38,.985); }
.atlas-site .nav-contact { border-radius: 12px; }
.atlas-site .nav-submenu-toggle { width: 28px; height: 28px; border-radius: 9px; box-shadow: inset 0 0 0 1px rgba(255,255,255,.025); }
.atlas-site .nav-submenu { border-radius: 18px; }
.atlas-site .nav-submenu a { border-radius: 12px; }
.atlas-site .button { border-radius: 999px; }
.atlas-site .hero-instrument {
  overflow: hidden;
  border-width: 1px;
  border-color: rgba(142,207,217,.3);
  border-radius: 30px;
  box-shadow: 0 28px 80px rgba(0,10,16,.3);
}
.atlas-site .hero-instrument::before { content: ""; position: absolute; z-index: 2; top: 20px; bottom: 20px; left: 0; width: 6px; border-radius: 0 999px 999px 0; background: var(--orange); }
.atlas-site .context-visual > img { border-radius: 29px 29px 0 0; }
.atlas-site .module-card {
  border-radius: 28px;
  box-shadow: 0 18px 45px rgba(3,24,32,.09);
}
.atlas-site .module-card::after { border-radius: 38px; }
.atlas-site .module-card::before { width: 7px; height: 68px; border-radius: 0 999px 999px 0; }
.atlas-site .module-equipment { background: linear-gradient(130deg,#07313e,#0b5362) !important; }
.atlas-site .module-arrow { border-radius: 50%; }
.atlas-site .module-tags span { border-radius: 999px; }
.atlas-site .software-preview-card {
  border-radius: 26px;
  box-shadow: 0 15px 38px rgba(16,42,51,.08);
}
.atlas-site .software-preview-card::after { left: 24px; border-radius: 0 0 999px 999px; }
.atlas-site .software-preview-card:hover { box-shadow: 0 24px 52px rgba(16,42,51,.14); }
.atlas-site .software-preview-media { background: linear-gradient(135deg,#062a37,#0b5362); }
.atlas-site .software-preview-card:nth-child(1) .software-preview-media { border-radius: 25px 0 0 25px; }
.atlas-site .equipment-feature,
.atlas-site .equipment-feature:nth-child(even) {
  border-radius: 30px;
  box-shadow: 0 22px 55px rgba(16,42,51,.1);
}
.atlas-site .equipment-scene img { border-radius: 29px 0 0 29px; }
.atlas-site .equipment-feature:nth-child(even) .equipment-scene img { border-radius: 0 29px 29px 0; }
.atlas-site .catalog-toolbar {
  border-left-width: 1px;
  border-radius: 22px;
  box-shadow: inset 6px 0 var(--orange), 0 12px 30px rgba(16,42,51,.06);
}
.atlas-site .catalog-toolbar::before { content: none; }
.atlas-site .catalog-toolbar { grid-template-columns: .25fr 1fr; }
.atlas-site .catalog-search input { border-radius: 14px; }
.atlas-site .catalog-tree { gap: 14px; }
.atlas-site .catalog-tree-manufacturer {
  border-radius: 24px;
  box-shadow: 0 14px 34px rgba(5,35,44,.07);
}
.atlas-site .catalog-tree-manufacturer > summary {
  border-left: 0;
  border-radius: 23px;
  box-shadow: inset 7px 0 #55bfce;
  background: linear-gradient(110deg,#07313e,#0b4c5a);
}
.atlas-site .catalog-tree-manufacturer[open] > summary { border-radius: 23px 23px 0 0; }
.atlas-site .catalog-tree-manufacturer:first-child > summary { box-shadow: inset 7px 0 var(--orange); background: linear-gradient(110deg,#062a37,#0d5968); }
.atlas-site .catalog-tree-categories { gap: 10px; padding: 14px; border-radius: 0 0 23px 23px; background: linear-gradient(145deg,rgba(215,229,231,.78),rgba(239,234,224,.72)); }
.atlas-site .catalog-tree-category { border: 1px solid rgba(16,42,51,.13); border-radius: 17px; }
.atlas-site .catalog-tree-category > summary { border-radius: 16px; }
.atlas-site .tree-product {
  margin: 5px 7px;
  min-height: 102px;
  border: 1px solid rgba(16,42,51,.1);
  border-radius: 16px;
  background: rgba(255,255,255,.34);
}
.atlas-site .tree-product:hover { border-color: rgba(22,111,128,.34); box-shadow: inset 5px 0 var(--orange); }
.atlas-site .tree-product-visual { border-radius: 13px; }
.atlas-site .tree-product-action { border-radius: 999px; }
.atlas-site .detail-blocks { gap: 16px; border: 0; background: transparent; }
.atlas-site .detail-block { border: 1px solid rgba(16,42,51,.14); border-radius: 24px; background: rgba(255,255,255,.33); }
.atlas-site .detail-block-accent { border-left-width: 1px; box-shadow: inset 6px 0 var(--orange); background: linear-gradient(130deg,rgba(199,218,220,.68),rgba(255,255,255,.28)); }
.atlas-site .detail-block-accent::before { content: none; }
.atlas-site .detail-equipment-visual {
  border-left-width: 1px;
  border-radius: 28px;
  box-shadow: 0 18px 44px rgba(16,42,51,.09);
}
.atlas-site .detail-equipment-visual img { border-radius: 22px; }
.atlas-site .detail-meta div { border-radius: 16px; }
.atlas-site .detail-gallery-section { background: radial-gradient(circle at 15% 20%,rgba(68,177,195,.17),transparent 27%),linear-gradient(135deg,#05242f,#0b4553 60%,#07313d); }
.atlas-site .detail-gallery figure { border-radius: 24px; }
.atlas-site .detail-gallery img { border-radius: 23px 23px 0 0; }
.atlas-site .detail-materials div,
.atlas-site .detail-material-link { border-radius: 17px; }
.atlas-site .contact-band { background: linear-gradient(120deg,#0c4b59,#07313e); }
.atlas-site .contact-link { border-radius: 16px; }

@media (max-width: 860px) {
  .atlas-site .home-hero { min-height: auto; padding: 116px 0 68px; }
  .atlas-site .catalog-toolbar { grid-template-columns: 1fr; }
  .atlas-site .nav-submenu-toggle { width: 40px; height: 40px; border-radius: 13px; }
  .atlas-site .equipment-scene img,
  .atlas-site .equipment-feature:nth-child(even) .equipment-scene img { border-radius: 29px 29px 0 0; }
}
@media (max-width: 560px) {
  .atlas-site .home-hero { padding: 104px 0 58px; }
  .atlas-site .context-visual > img { height: 300px; }
  .atlas-site .hero-instrument { border-radius: 22px; box-shadow: 0 20px 55px rgba(0,10,16,.26); }
  .atlas-site .context-visual > img { border-radius: 21px 21px 0 0; }
  .atlas-site .module-card { border-radius: 22px; }
  .atlas-site .software-preview-card { border-radius: 22px; }
  .atlas-site .software-preview-card:nth-child(1) .software-preview-media { border-radius: 21px 21px 0 0; }
  .atlas-site .catalog-tree-manufacturer { border-radius: 20px; }
  .atlas-site .catalog-tree-manufacturer > summary { border-radius: 19px; }
  .atlas-site .catalog-tree-manufacturer[open] > summary { border-radius: 19px 19px 0 0; }
}

/* Model-specific catalog previews; no category placeholder photos. */
.atlas-site .model-thumbnail { display: grid; align-content: center; gap: 8px; width: 100%; height: 100%; padding: 8px; text-align: center; background: linear-gradient(140deg,#d7edf1,#a7cbd3); }
.atlas-site .model-thumbnail small { color: #215c6b; font-size: .65rem; line-height: 1.15; overflow-wrap: anywhere; }
.atlas-site .model-thumbnail b { color: #073541; font: 750 .8rem/1.15 ui-sans-serif,system-ui; overflow-wrap: anywhere; }
.atlas-site .model-thumbnail[data-maker="Teledyne Marine"] { background: linear-gradient(145deg,#d9e5f1,#b7cbe0); }
.atlas-site .model-thumbnail[data-maker="NORBIT"] { background: linear-gradient(145deg,#d8eae6,#a3c7c0); }
.atlas-site .detail-gallery figure { grid-template-rows: 1fr; }
.atlas-site .detail-gallery img { border-radius: 23px; }
.atlas-site .detail-equipment-visual { padding-bottom: 24px; }
@media(max-width:560px){ .atlas-site .model-thumbnail { gap: 4px; padding: 4px; } .atlas-site .model-thumbnail small { display: none; } .atlas-site .model-thumbnail b { font-size: .67rem; } .atlas-site .detail-gallery figure, .atlas-site .detail-gallery figure:first-child, .atlas-site .detail-gallery figure:nth-child(n+3) { grid-template-rows: 1fr; } }

.catalog-brand-links { display: flex; flex-wrap: wrap; gap: 12px; margin: 0 0 24px; }
.catalog-brand-links a { display: grid; gap: 3px; flex: 1 1 180px; padding: 16px 20px; border: 1px solid #a2bec6; border-radius: 16px; color: var(--ink); background: rgba(255,255,255,.35); font-weight: 700; text-decoration: none; }
.catalog-brand-links a span { font-size: .875rem; font-weight: 400; color: #43636d; }
.catalog-brand-links a:hover { border-color: #167386; background: rgba(255,255,255,.6); }
.manufacturer-intro { max-width: 980px; margin: -16px 0 32px; color: #34535d; font-size: 1.0625rem; line-height: 1.8; }
.atlas-site .related-products { padding-block: 64px; }
.related-products .section-heading h2 { font-size: clamp(1.75rem,3vw,2.7rem); }
.related-product-list { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; margin: 0; padding: 0; list-style: none; }
.related-product-list a { display: flex; flex-direction: column; height: 100%; padding: 25px; border: 1px solid #a2bec6; border-radius: 20px; background: rgba(255,255,255,.35); text-decoration: none; }
.related-product-list a:hover { border-color: #167386; background: rgba(255,255,255,.6); }
.related-product-list h3 { font-size: 1.125rem; line-height: 1.45; overflow-wrap: anywhere; }
.related-product-list p { margin: 0 0 18px; color: #43636d; font-size: .9375rem; }
.related-product-list a > span { margin-top: auto; color: #176578; font-weight: 600; font-size: .875rem; }
.catalog-brand-links a:focus-visible,.related-product-list a:focus-visible { outline: 3px solid #ea8a48; outline-offset: 4px; }
.breadcrumb { overflow-wrap: anywhere; }
@media (max-width: 780px) { .related-product-list { grid-template-columns: 1fr; } .atlas-site .related-products { padding-block: 48px; } }

/* Leave room for the three section menus on tablet and narrow desktop screens. */
@media (max-width: 1100px) {
  .atlas-site .site-header { height: 72px; }
  .atlas-site .brand { height: 68px; }
  .atlas-site .menu-toggle { display: block; cursor: pointer; }
  .atlas-site .main-nav { position: absolute; top: 71px; right: 0; left: 0; display: none; align-items: stretch; gap: 0; padding: 12px 20px 22px; max-height: calc(100dvh - 72px); overflow-y: auto; border-bottom: 1px solid var(--line); background: #05242f; box-shadow: 0 18px 30px rgba(0,10,16,.3); }
  .atlas-site .main-nav.open { display: grid; }
  .atlas-site .main-nav a { padding: 12px 4px; }
  .atlas-site .main-nav a[aria-current="page"]::after { display: none; }
  .atlas-site .nav-group { display: grid; grid-template-columns: minmax(0,1fr) 44px; gap: 0; }
  .atlas-site .nav-submenu-toggle { width: 40px; height: 40px; align-self: center; justify-self: end; }
  .atlas-site .nav-submenu { position: static; grid-column: 1 / -1; display: none; min-width: 0; margin: 0 0 8px; padding: 6px 8px; opacity: 1; visibility: visible; transform: none; box-shadow: none; background: rgba(105,209,221,.055); }
  .atlas-site .nav-group.submenu-open .nav-submenu, .atlas-site .nav-group:focus-within .nav-submenu { display: grid; }
  .atlas-site .nav-submenu a { min-height: 40px; padding: 8px 10px; }
  .atlas-site .nav-contact { margin-top: 8px; text-align: center; }
}