:root {
  --navy: #071a2b;
  --navy-2: #0a2338;
  --navy-3: #0e304a;
  --ink: #102031;
  --muted: #607286;
  --line: #dbe4eb;
  --soft: #f2f6f8;
  --cyan: #27c3e8;
  --cyan-2: #77e4f7;
  --lime: #b7eb4a;
  --white: #fff;
  --shell: min(1200px, calc(100vw - 48px));
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--white);
  font-synthesis: none;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; min-width: 320px; overflow-x: hidden; }
a { color: inherit; text-decoration: none; }
button, select { font: inherit; }
button { color: inherit; }
img { display: block; max-width: 100%; }
.shell { width: var(--shell); margin: 0 auto; }
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.site-header {
  position: fixed;
  inset: 0 0 auto 0;
  z-index: 30;
  height: 76px;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 30px;
  padding: 0 max(24px, calc((100vw - 1200px) / 2));
  color: white;
  border-bottom: 1px solid rgba(255,255,255,.13);
  background: rgba(4, 18, 30, .76);
  backdrop-filter: blur(18px);
}

.brand { display: flex; align-items: center; gap: 10px; min-width: 156px; }
.brand-mark { width: 40px; height: 40px; overflow: hidden; border-radius: 8px; background: white; border: 1px solid rgba(255,255,255,.3); }
.brand-mark img { width: 100%; height: 100%; object-fit: cover; }
.brand-copy { display: grid; line-height: 1; }
.brand-copy strong { font-size: 18px; letter-spacing: .14em; }
.brand-copy small { margin-top: 5px; color: #a9bbca; font-size: 11px; letter-spacing: .2em; text-transform: uppercase; }

.main-nav { display: flex; align-items: center; justify-content: center; gap: 26px; }
.main-nav > a, .nav-dropdown > button { position: relative; border: 0; padding: 28px 0 26px; color: #dbe7ef; background: none; cursor: pointer; font-size: 14px; white-space: nowrap; }
.main-nav > a::after, .nav-dropdown > button::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 19px; height: 2px; background: var(--cyan); transition: right .25s ease; }
.main-nav > a:hover::after, .nav-dropdown:hover > button::after { right: 0; }
.nav-dropdown { position: relative; }
.dropdown-panel { position: absolute; top: calc(100% - 8px); left: -22px; min-width: 190px; padding: 10px; border: 1px solid #dfe8ee; background: white; color: var(--ink); box-shadow: 0 24px 60px rgba(2,18,30,.2); opacity: 0; visibility: hidden; transform: translateY(10px); transition: .2s ease; }
.nav-dropdown:hover .dropdown-panel, .nav-dropdown:focus-within .dropdown-panel { opacity: 1; visibility: visible; transform: translateY(0); }
.dropdown-panel a { display: block; padding: 12px; font-size: 14px; }
.dropdown-panel a:hover { background: var(--soft); color: #006989; }
.wide-dropdown .dropdown-panel { width: 430px; }
.product-menu a { display: grid; gap: 5px; padding: 16px; }
.product-menu strong { font-size: 14px; }
.product-menu span { color: var(--muted); font-size: 12px; }
.header-actions { display: flex; align-items: center; gap: 12px; }
.language-picker select { border: 0; padding: 8px 5px; color: white; background: transparent; cursor: pointer; }
.language-picker option { color: var(--ink); }
.quote-button { padding: 11px 17px; border: 1px solid rgba(255,255,255,.5); font-size: 13px; font-weight: 700; transition: .2s; }
.quote-button:hover { color: var(--navy); background: white; }
.menu-button { display: none; border: 0; background: none; }

.hero { position: relative; min-height: 840px; padding-top: 76px; color: white; background: var(--navy); overflow: hidden; }
.hero-grid, .stage-grid { position: absolute; inset: 0; background-image: linear-gradient(rgba(94,194,222,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(94,194,222,.07) 1px, transparent 1px); background-size: 46px 46px; mask-image: linear-gradient(to bottom, #000, transparent 90%); }
.hero-glow { position: absolute; width: 800px; height: 800px; right: -220px; top: -280px; border-radius: 50%; background: radial-gradient(circle, rgba(24,181,222,.23), transparent 64%); }
.hero-content { position: relative; z-index: 2; display: grid; grid-template-columns: 1.03fr .97fr; gap: 74px; align-items: center; min-height: 620px; padding: 52px 0 30px; }
.eyebrow, .section-kicker { margin: 0 0 22px; color: var(--cyan-2); font-size: 12px; font-weight: 800; letter-spacing: .17em; }
.eyebrow { display: flex; align-items: center; gap: 12px; }
.eyebrow > span:first-child { width: 34px; height: 2px; background: var(--cyan); }
.hero h1 { max-width: 720px; margin: 0; font-size: clamp(46px, 5vw, 72px); line-height: .99; letter-spacing: -.045em; }
.hero-description { max-width: 650px; margin: 28px 0 0; color: #b7c7d3; font-size: 18px; line-height: 1.7; }
.hero-actions { display: flex; align-items: center; gap: 26px; margin-top: 34px; }
.primary-button { display: inline-flex; align-items: center; justify-content: space-between; gap: 32px; min-width: 206px; padding: 16px 18px; color: #061a2a; background: var(--cyan-2); font-size: 14px; font-weight: 800; transition: transform .2s, background .2s; }
.primary-button:hover { transform: translateY(-2px); background: white; }
.text-button { display: flex; gap: 14px; color: white; font-size: 14px; font-weight: 700; }
.text-button span:last-child { color: var(--cyan); transition: transform .2s; }
.text-button:hover span:last-child { transform: translateX(4px); }
.service-points { display: flex; flex-wrap: wrap; gap: 18px 25px; margin-top: 38px; color: #9db2c1; font-size: 12px; }
.service-points span { display: flex; align-items: center; gap: 8px; }
.service-points i { width: 5px; height: 5px; border-radius: 50%; background: var(--lime); box-shadow: 0 0 12px var(--lime); }
.service-points b { font-weight: 600; }

.hero-visual { position: relative; height: 490px; }
.hero-image-wrap { position: absolute; inset: 24px 0 24px 26px; overflow: hidden; border: 1px solid rgba(120,220,241,.25); clip-path: polygon(10% 0, 100% 0, 100% 90%, 91% 100%, 0 100%, 0 10%); }
.hero-image-wrap::after { content: ""; position: absolute; inset: 0; background: linear-gradient(130deg, rgba(5,25,41,.08), rgba(5,25,41,.8)); }
.hero-image-wrap img { width: 100%; height: 100%; object-fit: cover; }
.hero-shade { position: absolute; inset: 0; box-shadow: inset 0 0 90px rgba(2,15,26,.7); }
.data-card { position: absolute; z-index: 2; display: grid; grid-template-columns: 1fr; min-width: 200px; padding: 20px 24px; border: 1px solid rgba(129,219,239,.3); background: rgba(5,25,41,.88); backdrop-filter: blur(10px); }
.data-card > span { grid-row: 1 / 3; color: var(--cyan); font-size: 12px; font-weight: 900; }
.data-card strong { font-size: 13px; }
.data-card small { margin-top: 6px; color: #809caf; font-size: 9px; letter-spacing: .13em; }
.data-card-top { top: 0; right: -20px; }
.data-card-bottom { left: 0; bottom: 2px; }
.coordinate { position: absolute; right: 8px; bottom: 0; color: #7892a5; font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 9px; letter-spacing: .1em; }

.gateway-bar { position: relative; z-index: 4; display: grid; grid-template-columns: 1fr 1fr; margin-top: -24px; box-shadow: 0 18px 50px rgba(1,16,26,.22); }
.gateway { display: grid; grid-template-columns: minmax(0,1fr) 30px; align-items: center; gap: 16px; min-height: 116px; border: 0; padding: 20px 25px; color: var(--ink); background: white; text-align: left; cursor: pointer; transition: .25s; }
.gateway + .gateway { border-left: 1px solid var(--line); }
.gateway:hover, .gateway.active { color: white; background: #0d344f; }
.gateway-index { align-self: start; color: #39afd0; font-size: 11px; font-weight: 900; }
.gateway > span { display: grid; gap: 7px; }
.gateway b { font-size: 17px; }
.gateway small { color: var(--muted); font-size: 12px; }
.gateway:hover small, .gateway.active small { color: #a9bfce; }
.gateway i { color: var(--cyan); font-size: 22px; font-style: normal; }

.products-section { padding: 150px 0 110px; background: #f6f9fa; }
.section-heading { display: grid; grid-template-columns: 1.2fr .8fr; align-items: end; gap: 80px; margin-bottom: 38px; }
.section-kicker { color: #1589aa; }
.section-heading h2, .closing-cta h2 { max-width: 680px; margin: 0; color: var(--navy); font-size: clamp(36px, 4vw, 56px); line-height: 1.05; letter-spacing: -.04em; }
.section-heading > p { margin: 0 0 5px; color: var(--muted); font-size: 16px; line-height: 1.7; }
.product-system-tabs { display: grid; grid-template-columns: 1fr 1fr; border: 1px solid var(--line); background: white; }
.system-tab { display: flex; align-items: center; gap: 16px; border: 0; padding: 19px 22px; background: white; text-align: left; cursor: pointer; }
.system-tab + .system-tab { border-left: 1px solid var(--line); }
.system-tab span { color: #8aa0b2; font-size: 11px; font-weight: 800; }
.system-tab b { font-size: 14px; }
.system-tab.active { color: white; background: var(--navy-2); }
.system-tab.active span { color: var(--cyan); }
.product-explorer { display: grid; grid-template-columns: 1.1fr .9fr; min-height: 590px; background: white; box-shadow: 0 28px 70px rgba(7,26,43,.1); }
.product-stage { position: relative; min-height: 590px; overflow: hidden; background: #071725; }
.stage-grid { opacity: .52; mask-image: none; background-image: linear-gradient(rgba(112,213,238,.07) 1px, transparent 1px), linear-gradient(90deg, rgba(112,213,238,.07) 1px, transparent 1px); background-size: 38px 38px; }
.product-stage::before { content: ""; position: absolute; width: 380px; height: 380px; top: 105px; left: calc(50% - 190px); border: 1px solid rgba(16,134,164,.18); border-radius: 50%; box-shadow: 0 0 0 42px rgba(31,151,181,.04), 0 0 0 84px rgba(31,151,181,.025); }
.product-stage img { position: absolute; z-index: 2; width: 72%; height: 68%; left: 14%; top: 15%; object-fit: contain; filter: drop-shadow(0 30px 24px rgba(0,0,0,.36)); mask-image:radial-gradient(ellipse 98% 98% at center,#000 88%,transparent 100%); transition: opacity .25s, transform .45s cubic-bezier(.2,.8,.2,1); }
.product-stage img.changing { opacity: 0; transform: translateY(12px) scale(.97); }
.scan-line { position: absolute; z-index: 3; left: 6%; right: 6%; top: 12%; height: 1px; background: linear-gradient(90deg, transparent, rgba(13,166,205,.9), transparent); box-shadow: 0 0 16px rgba(25,191,231,.7); animation: scan 4.2s ease-in-out infinite; }
@keyframes scan { 0%, 8% { top: 12%; opacity: 0; } 15% { opacity: 1; } 82% { opacity: 1; } 92%, 100% { top: 86%; opacity: 0; } }
.stage-label { position: absolute; z-index: 4; top: 25px; left: 28px; display: grid; gap: 6px; }
.stage-label small, .category-panel-head small { color: #66cde8; font-size: 9px; font-weight: 900; letter-spacing: .17em; }
.stage-label strong { max-width: 280px; color: white; font-size: 15px; }
.stage-foot { position: absolute; z-index: 4; left: 28px; right: 28px; bottom: 24px; display: flex; justify-content: space-between; padding-top: 16px; border-top: 1px solid rgba(112,213,238,.18); color: #8aa9ba; font-size: 11px; }
.stage-foot a { color: #63d0eb; font-weight: 800; }
.category-panel { display: flex; flex-direction: column; padding: 36px; }
.category-panel-head { display: flex; align-items: start; justify-content: space-between; padding-bottom: 24px; border-bottom: 1px solid var(--line); }
.category-panel-head h3 { margin: 7px 0 0; font-size: 24px; letter-spacing: -.02em; }
.category-panel-head > span { color: #e5edf1; font-size: 54px; font-weight: 800; line-height: .8; }
.category-list { flex: 1; }
.category-item { display: grid; grid-template-columns: minmax(0,1fr) auto; align-items: center; gap: 15px; width: 100%; border: 0; border-bottom: 1px solid var(--line); padding: 17px 4px; background: transparent; text-align: left; cursor: pointer; transition: .2s; }
.category-item:hover, .category-item.active { padding-left: 13px; background: #f0f6f8; }
.category-item > span:first-child { color: #7891a3; font-family: ui-monospace, monospace; font-size: 10px; }
.category-item div { display: grid; gap: 5px; }
.category-item strong { font-size: 14px; }
.category-item small { color: var(--muted); font-size: 11px; }
.category-item > span:last-child { color: #0b8bad; }
.catalog-link { display: flex; justify-content: space-between; margin-top: 24px; padding: 16px 17px; color: white; background: var(--navy); font-size: 13px; font-weight: 800; }

.procurement-strip { border-top: 1px solid #dfe7ec; padding: 52px 0; background: white; }
.procurement-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.procurement-grid > div { display: grid; grid-template-columns: 28px 1fr; gap: 7px 12px; padding: 3px 32px; }
.procurement-grid > div + div { border-left: 1px solid var(--line); }
.procurement-grid small { grid-row: 1 / 3; color: #15a1c6; font-weight: 900; }
.procurement-grid strong { font-size: 14px; }
.procurement-grid span { color: var(--muted); font-size: 12px; line-height: 1.55; }
.closing-cta { padding: 96px 0; color: white; background: var(--navy-2); }
.closing-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 90px; align-items: center; }
.closing-cta h2 { color: white; }
.closing-grid > div:last-child { display: grid; justify-items: start; gap: 24px; }
.closing-grid p:not(.section-kicker) { margin: 0; color: #aec1cd; font-size: 16px; line-height: 1.7; }
.primary-button.light { background: white; }
footer { padding: 38px 0; color: #92a7b6; background: #04131f; }
.footer-grid { display: grid; grid-template-columns: 1fr auto auto; align-items: center; gap: 40px; }
.footer-grid > div:first-child { display: grid; gap: 6px; }
.footer-grid strong { color: white; font-size: 13px; letter-spacing: .12em; }
.footer-grid span { font-size: 11px; }
.footer-grid > div:nth-child(2) { display: flex; gap: 22px; font-size: 12px; }
.footer-grid small { font-size: 10px; }

@media (max-width: 1080px) {
  .main-nav { gap: 16px; }
  .main-nav > a, .nav-dropdown > button { font-size: 12px; }
  .quote-button { display: none; }
  .hero-content { gap: 36px; }
}

@media (max-width: 860px) {
  :root { --shell: min(100% - 34px, 680px); }
  .site-header { height: 68px; grid-template-columns: auto auto auto; justify-content: space-between; padding: 0 17px; }
  .brand { min-width: 0; }
  .brand-mark { width: 36px; height: 36px; }
  .brand-copy strong { font-size: 16px; }
  .main-nav { position: absolute; top: 68px; left: 0; right: 0; display: none; align-items: stretch; padding: 12px 20px 24px; background: #071a2b; }
  .main-nav.open { display: grid; }
  .main-nav > a, .nav-dropdown > button { width: 100%; padding: 12px 0; text-align: left; font-size: 14px; }
  .dropdown-panel { position: static; display: none; width: 100% !important; opacity: 1; visibility: visible; transform: none; box-shadow: none; }
  .nav-dropdown:focus-within .dropdown-panel { display: block; }
  .menu-button { display: grid; gap: 4px; width: 38px; padding: 9px; cursor: pointer; }
  .menu-button span { width: 20px; height: 2px; background: white; }
  .header-actions { gap: 4px; }
  .hero { min-height: 0; padding-top: 68px; }
  .hero-content { grid-template-columns: 1fr; gap: 22px; padding: 74px 0 38px; }
  .hero h1 { font-size: clamp(40px, 12vw, 58px); }
  .hero-description { font-size: 16px; }
  .hero-visual { height: 350px; }
  .hero-image-wrap { inset: 14px 0 14px; }
  .data-card-top { right: 0; }
  .gateway-bar { grid-template-columns: 1fr; margin-top: 0; width: 100%; }
  .gateway { padding-left: 17px; padding-right: 17px; }
  .gateway + .gateway { border-top: 1px solid var(--line); border-left: 0; }
  .products-section { padding: 82px 0 70px; }
  .section-heading, .closing-grid { grid-template-columns: 1fr; gap: 22px; }
  .product-explorer { grid-template-columns: 1fr; }
  .product-stage { min-height: 470px; }
  .category-panel { padding: 28px 22px; }
  .procurement-grid { grid-template-columns: 1fr; }
  .procurement-grid > div { padding: 22px 0; }
  .procurement-grid > div + div { border-top: 1px solid var(--line); border-left: 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; }
}

@media (max-width: 520px) {
  .brand-copy small { display: none; }
  .language-picker select { width: 62px; }
  .hero-content { padding-top: 54px; }
  .hero h1 { font-size: 42px; }
  .hero-actions { align-items: stretch; flex-direction: column; gap: 18px; }
  .primary-button { width: 100%; }
  .service-points { display: grid; }
  .hero-visual { height: 310px; }
  .data-card { min-width: 198px; }
  .data-card-bottom { bottom: 3px; }
  .gateway { min-height: 104px; grid-template-columns: minmax(0,1fr) 18px; gap: 10px; }
  .gateway b { font-size: 15px; }
  .product-system-tabs { grid-template-columns: 1fr; }
  .system-tab + .system-tab { border-top: 1px solid var(--line); border-left: 0; }
  .product-stage { min-height: 390px; }
  .product-stage img { width: 86%; height: 66%; left: 7%; top: 17%; }
  .category-panel-head h3 { font-size: 20px; }
  .category-panel-head > span { font-size: 40px; }
  .category-item { grid-template-columns: minmax(0,1fr) auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}
