:root {
  --ink: #eef7fb;
  --muted: #9bb0bd;
  --navy: #07151d;
  --navy-2: #0b202b;
  --panel: rgba(15, 42, 55, .72);
  --line: rgba(155, 205, 226, .16);
  --cyan: #46d5ff;
  --mint: #7cf7cd;
  --paper: #f4f8fa;
  --paper-ink: #0a2634;
  --radius: 20px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; color: var(--ink); background: var(--navy); line-height: 1.6; }
a { color: inherit; }
img { max-width: 100%; }
.shell { width: min(1180px, calc(100% - 40px)); margin: 0 auto; }
.site-header { position: sticky; top: 0; z-index: 20; backdrop-filter: blur(18px); background: rgba(7, 21, 29, .86); border-bottom: 1px solid var(--line); }
.nav { min-height: 78px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo { display: inline-flex; align-items: center; width: 236px; text-decoration: none; }
.logo img { display: block; }
.nav-links { display: flex; align-items: center; gap: 24px; font-size: .91rem; }
.nav-links a { text-decoration: none; color: #bfd0d9; transition: color .2s; }
.nav-links a:hover, .nav-links a:focus-visible { color: var(--cyan); }
.nav-cta, .button { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 20px; border: 1px solid var(--cyan); border-radius: 999px; color: #03151c !important; background: var(--cyan); font-weight: 700; text-decoration: none; transition: transform .2s, box-shadow .2s; }
.nav-cta:hover, .button:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(70, 213, 255, .18); }
.menu-toggle { display: none; background: transparent; border: 1px solid var(--line); color: var(--ink); border-radius: 10px; width: 44px; height: 44px; font-size: 1.25rem; }
.hero { position: relative; overflow: hidden; min-height: 710px; display: grid; align-items: center; }
.hero::before { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 76% 35%, rgba(70,213,255,.16), transparent 27%), linear-gradient(rgba(7,21,29,.24), rgba(7,21,29,.94)), repeating-linear-gradient(90deg, transparent 0 96px, rgba(107,180,207,.04) 97px 98px), repeating-linear-gradient(0deg, transparent 0 96px, rgba(107,180,207,.04) 97px 98px); pointer-events: none; }
.hero-grid { position: relative; display: grid; grid-template-columns: 1.1fr .9fr; gap: 76px; align-items: center; padding: 90px 0 100px; }
.eyebrow { margin: 0 0 18px; color: var(--mint); font-size: .78rem; font-weight: 800; letter-spacing: .18em; text-transform: uppercase; }
h1 { max-width: 820px; margin: 0; font-size: clamp(3.2rem, 7vw, 6.7rem); line-height: .96; letter-spacing: -.06em; }
.hero h1 span { color: transparent; -webkit-text-stroke: 1px rgba(238,247,251,.56); }
.lead { max-width: 650px; margin: 28px 0 34px; color: #b5c8d1; font-size: 1.15rem; }
.button.secondary { margin-left: 12px; color: var(--ink) !important; background: transparent; border-color: var(--line); }
.hero-visual { min-height: 420px; position: relative; display: grid; place-items: center; }
.rack { width: min(360px, 86vw); padding: 28px; border: 1px solid rgba(124,247,205,.25); border-radius: 28px; background: linear-gradient(145deg, rgba(17,52,67,.8), rgba(6,21,29,.88)); box-shadow: 0 40px 100px rgba(0,0,0,.4); transform: perspective(900px) rotateY(-8deg) rotateX(4deg); }
.rack-top { display: flex; justify-content: space-between; color: var(--muted); font-size: .72rem; letter-spacing: .12em; margin-bottom: 18px; }
.rack-unit { height: 48px; margin: 9px 0; border: 1px solid rgba(70,213,255,.18); border-radius: 8px; background: #081922; display: flex; align-items: center; padding: 0 14px; gap: 7px; }
.rack-unit::before, .rack-unit::after { content: ""; width: 6px; height: 6px; border-radius: 50%; background: var(--mint); box-shadow: 13px 0 var(--cyan); }
.rack-unit::after { margin-left: auto; width: 55%; height: 3px; border-radius: 2px; background: linear-gradient(90deg, #173745, #46d5ff 60%, #173745); box-shadow: none; opacity: .5; }
.signal { position: absolute; width: 120px; height: 120px; border: 1px solid rgba(70,213,255,.28); border-radius: 50%; animation: pulse 3s infinite; }
@keyframes pulse { 0% { transform: scale(.8); opacity: .9; } 100% { transform: scale(2.7); opacity: 0; } }
.trust-strip { border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); }
.trust-item { padding: 25px; border-right: 1px solid var(--line); color: #c9d8df; font-weight: 650; text-align: center; }
.trust-item:last-child { border-right: 0; }
.section { padding: 110px 0; }
.section.light { color: var(--paper-ink); background: var(--paper); }
.section-head { display: flex; justify-content: space-between; align-items: end; gap: 30px; margin-bottom: 48px; }
.section h2 { max-width: 700px; margin: 0; font-size: clamp(2.2rem, 4.8vw, 4.4rem); line-height: 1.02; letter-spacing: -.045em; }
.section-intro { max-width: 460px; margin: 0; color: var(--muted); }
.light .section-intro { color: #4e6875; }
.cards { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.card { min-height: 230px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--panel); }
.light .card { background: white; border-color: #dce7ec; box-shadow: 0 16px 46px rgba(16,52,67,.06); }
.card-index { display: block; margin-bottom: 38px; color: var(--cyan); font: 700 .78rem ui-monospace, SFMono-Regular, Menlo, monospace; }
.light .card-index { color: #0783a9; }
.card h3 { margin: 0 0 10px; font-size: 1.42rem; }
.card p { margin: 0; color: var(--muted); }
.light .card p { color: #546f7c; }
.hardware-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 12px; }
.hardware-item { min-height: 250px; padding: 26px 22px; border-radius: 16px; background: #0d2733; border: 1px solid var(--line); display: flex; flex-direction: column; justify-content: flex-end; }
.hardware-icon { width: 48px; height: 48px; margin-bottom: auto; border: 1px solid rgba(70,213,255,.35); border-radius: 12px; display: grid; place-items: center; color: var(--cyan); font: 700 1rem ui-monospace, monospace; }
.hardware-item h3 { margin: 28px 0 8px; font-size: 1.05rem; }
.hardware-item p { margin: 0; color: var(--muted); font-size: .9rem; }
.service-list { border-top: 1px solid #cddce3; }
.service-row { display: grid; grid-template-columns: 80px 1fr 1.2fr; gap: 30px; padding: 28px 0; border-bottom: 1px solid #cddce3; align-items: center; }
.service-row span { color: #0783a9; font: 700 .78rem ui-monospace, monospace; }
.service-row h3 { margin: 0; font-size: 1.28rem; }
.service-row p { margin: 0; color: #546f7c; }
.about-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 90px; }
.about-copy { font-size: 1.25rem; color: #c4d4dc; }
.about-copy p:first-child { margin-top: 0; }
.principles { display: grid; gap: 14px; margin-top: 30px; }
.principle { display: flex; gap: 18px; align-items: start; padding-top: 18px; border-top: 1px solid var(--line); }
.principle strong { min-width: 160px; }
.principle span { color: var(--muted); }
.contact { background: linear-gradient(135deg, #0e3747, #07151d 70%); }
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 70px; align-items: start; }
.contact-details { display: grid; gap: 24px; margin-top: 40px; }
.detail { padding-top: 20px; border-top: 1px solid var(--line); }
.detail small { display: block; color: var(--mint); text-transform: uppercase; letter-spacing: .14em; margin-bottom: 6px; }
.detail a { text-decoration: none; }
.form { padding: 32px; border: 1px solid var(--line); border-radius: var(--radius); background: rgba(4,18,25,.52); }
.field-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
label { display: grid; gap: 7px; color: #b8cbd4; font-size: .86rem; }
input, textarea, select { width: 100%; border: 1px solid #31515f; border-radius: 10px; background: #081a23; color: var(--ink); padding: 13px 14px; font: inherit; }
textarea { min-height: 130px; resize: vertical; }
.form > label { margin-top: 16px; }
.form .button { margin-top: 20px; cursor: pointer; }
.form-note { color: var(--muted); font-size: .79rem; margin: 12px 0 0; }
.form-status { min-height: 24px; color: var(--mint); font-size: .88rem; }
.site-footer { padding: 46px 0 26px; background: #041017; border-top: 1px solid var(--line); }
.footer-grid { display: grid; grid-template-columns: 1.1fr .9fr; gap: 50px; }
.footer-copy { max-width: 530px; color: var(--muted); }
.footer-links { display: grid; grid-template-columns: repeat(2, 1fr); gap: 12px 32px; align-content: start; }
.footer-links a { text-decoration: none; color: #bfd0d9; }
.copyright { margin-top: 36px; padding-top: 20px; border-top: 1px solid var(--line); color: #728b98; font-size: .82rem; }
.legal-main { min-height: 70vh; padding: 90px 0 120px; background: var(--paper); color: var(--paper-ink); }
.legal { max-width: 820px; }
.legal h1 { color: var(--paper-ink); font-size: clamp(2.8rem, 6vw, 5rem); }
.legal h2 { margin-top: 42px; font-size: 1.45rem; }
.legal p, .legal li { color: #415c69; }
.legal-meta { margin: 18px 0 40px; color: #5e7783; }
.page-hero { position: relative; overflow: hidden; padding: 110px 0 90px; border-bottom: 1px solid var(--line); background: radial-gradient(circle at 85% 20%, rgba(70,213,255,.13), transparent 30%), repeating-linear-gradient(90deg, transparent 0 96px, rgba(107,180,207,.035) 97px 98px); }
.page-hero h1 { max-width: 880px; font-size: clamp(3rem, 7vw, 6rem); }
.page-hero .lead { margin-bottom: 0; }
.breadcrumb { display: flex; gap: 9px; align-items: center; margin-bottom: 34px; color: var(--muted); font-size: .86rem; }
.breadcrumb a { color: var(--cyan); text-decoration: none; }
.overview-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.overview-card { padding: 28px; min-height: 300px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(155deg, #102c39, #091b24); display: flex; flex-direction: column; }
.overview-card .card-index { margin-bottom: auto; }
.overview-card h3 { font-size: 1.32rem; line-height: 1.2; margin: 30px 0 10px; }
.overview-card p { margin: 0 0 22px; color: var(--muted); }
.text-link { margin-top: auto; color: var(--cyan); font-weight: 750; text-decoration: none; }
.split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 86px; align-items: start; }
.split-copy { color: #4e6875; font-size: 1.12rem; }
.split-copy p:first-child { margin-top: 0; }
.steps { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid #cddce3; }
.step { padding: 26px 22px 10px 0; border-right: 1px solid #cddce3; }
.step:not(:first-child) { padding-left: 22px; }
.step:last-child { border-right: 0; }
.step span { color: #0783a9; font: 700 .78rem ui-monospace, monospace; }
.step h3 { margin: 34px 0 8px; }
.step p { color: #546f7c; margin: 0; }
.cta-band { padding: 58px 0; background: var(--cyan); color: #04151c; }
.cta-band .shell { display: flex; justify-content: space-between; align-items: center; gap: 30px; }
.cta-band h2 { margin: 0; font-size: clamp(2rem, 4vw, 3.4rem); letter-spacing: -.04em; line-height: 1.05; }
.cta-band .button { background: #07151d; border-color: #07151d; color: white !important; white-space: nowrap; }
.detail-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.detail-card { padding: 30px; min-height: 260px; border-radius: var(--radius); border: 1px solid #dce7ec; background: white; box-shadow: 0 14px 40px rgba(16,52,67,.05); }
.detail-card h3 { margin: 24px 0 12px; font-size: 1.3rem; }
.detail-card p, .detail-card li { color: #546f7c; }
.detail-card ul { padding-left: 20px; margin: 0; }
.feature-band { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feature { padding: 34px; min-height: 270px; border: 1px solid var(--line); border-radius: var(--radius); background: #0b222d; }
.feature h3 { margin-top: 62px; font-size: 1.45rem; }
.feature p { color: var(--muted); }
.category { padding: 34px 0; border-top: 1px solid var(--line); display: grid; grid-template-columns: 250px 1fr; gap: 50px; }
.category h3 { margin: 0; font-size: 1.35rem; }
.category p { margin-top: 0; color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 9px; }
.chip { padding: 8px 12px; border: 1px solid var(--line); border-radius: 999px; color: #c8d8df; font-size: .85rem; }
.page-nav-active { color: var(--cyan) !important; }
.nav-cta.page-nav-active { color: #03151c !important; }
@media (max-width: 960px) {
  .nav-links { display: none; position: absolute; top: 78px; left: 0; right: 0; padding: 24px 20px 30px; background: #07151d; border-bottom: 1px solid var(--line); flex-direction: column; align-items: stretch; }
  .nav-links.open { display: flex; }
  .menu-toggle { display: block; }
  .hero-grid, .about-grid, .contact-grid { grid-template-columns: 1fr; }
  .hero-grid { gap: 20px; }
  .hero-visual { min-height: 360px; }
  .hardware-grid { grid-template-columns: repeat(2, 1fr); }
  .overview-grid, .steps { grid-template-columns: repeat(2, 1fr); }
  .detail-grid { grid-template-columns: repeat(2, 1fr); }
  .split { grid-template-columns: 1fr; gap: 34px; }
  .section-head { display: block; }
  .section-intro { margin-top: 20px; }
}
@media (max-width: 620px) {
  .shell { width: min(100% - 28px, 1180px); }
  .logo { width: 200px; }
  .hero { min-height: auto; }
  .hero-grid { padding: 72px 0; }
  h1 { font-size: 3.15rem; }
  .hero-visual { display: none; }
  .button.secondary { margin: 10px 0 0; }
  .trust-grid { grid-template-columns: 1fr 1fr; }
  .trust-item { border-bottom: 1px solid var(--line); }
  .section { padding: 78px 0; }
  .cards, .hardware-grid, .field-grid, .footer-grid { grid-template-columns: 1fr; }
  .overview-grid, .detail-grid, .feature-band, .steps { grid-template-columns: 1fr; }
  .step { border-right: 0; border-bottom: 1px solid #cddce3; padding: 24px 0; }
  .step:not(:first-child) { padding-left: 0; }
  .category { grid-template-columns: 1fr; gap: 12px; }
  .cta-band .shell { display: block; }
  .cta-band .button { margin-top: 24px; }
  .service-row { grid-template-columns: 48px 1fr; gap: 16px; }
  .service-row p { grid-column: 2; }
  .principle { display: block; }
  .principle strong { display: block; margin-bottom: 6px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *, *::before, *::after { animation: none !important; transition: none !important; } }