:root {
  --bg: #06121f;
  --bg-2: #0a1b2d;
  --panel: #0d2238;
  --line: #1b3a57;
  --text: #e6eef6;
  --muted: #8ea6bd;
  --accent: #3fd0c9;
  --signal: #f5a524;
  --radius: 14px;
  --wrap: 1160px;
  --mono: 'JetBrains Mono', ui-monospace, monospace;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 76px; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.6 'Manrope', system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; }
img { max-width: 100%; }
h1, h2, h3 { line-height: 1.15; margin: 0; letter-spacing: -0.02em; }
.wrap { max-width: var(--wrap); margin: 0 auto; padding: 0 24px; }

.eyebrow {
  display: inline-block;
  font: 500 12px/1 var(--mono);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 14px;
}

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 14px 24px;
  border-radius: 999px;
  background: var(--accent);
  color: #032024;
  font-weight: 700;
  text-decoration: none;
  border: 1px solid var(--accent);
  transition: transform .15s, background .15s;
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); background: #6be2dc; }
.btn-ghost { background: transparent; color: var(--text); border-color: var(--line); }
.btn-ghost:hover { background: var(--panel); }
.btn-small { padding: 9px 18px; font-size: 14px; }

/* top bar */
.topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(6, 18, 31, .82);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(27, 58, 87, .6);
}
.topbar-inner { display: flex; align-items: center; gap: 28px; height: 68px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-weight: 800; font-size: 18px; }
.brand svg { width: 32px; height: 32px; color: var(--text); }
.brand small { font: 500 11px var(--mono); color: var(--muted); margin-left: 6px; letter-spacing: .1em; }
.nav { display: flex; gap: 24px; margin-left: auto; }
.nav a { text-decoration: none; color: var(--muted); font-size: 15px; font-weight: 500; }
.nav a:hover { color: var(--text); }
.burger { display: none; background: none; border: 0; padding: 8px; cursor: pointer; }
.burger span { display: block; width: 22px; height: 2px; background: var(--text); margin: 5px 0; }

/* hero */
.hero { position: relative; overflow: hidden; padding: 72px 0 40px; }
.hero-grid {
  position: absolute; inset: 0;
  background-image: linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
  background-size: 48px 48px;
  opacity: .22;
  mask-image: radial-gradient(ellipse at 70% 30%, #000 10%, transparent 70%);
}
.hero::after {
  content: ''; position: absolute; width: 700px; height: 700px; right: -200px; top: -250px;
  background: radial-gradient(circle, rgba(63, 208, 201, .14), transparent 65%);
  pointer-events: none;
}
.hero-inner { position: relative; z-index: 1; display: grid; grid-template-columns: 1.05fr 1fr; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(36px, 5vw, 60px); font-weight: 800; }
.hero h1 em { font-style: normal; color: var(--accent); }
.lead { font-size: 19px; color: var(--muted); max-width: 560px; margin: 22px 0 32px; }
.hero-cta { display: flex; gap: 12px; flex-wrap: wrap; }

.schematic { width: 100%; height: auto; }
.schematic .sat { stroke: var(--signal); fill: var(--signal); stroke-width: 2; }
.schematic .beam { stroke: var(--signal); stroke-width: 1.5; stroke-dasharray: 4 6; fill: none; animation: dash 1.6s linear infinite; }
.schematic .links path { stroke: var(--accent); stroke-width: 1.6; fill: none; stroke-dasharray: 6 5; animation: dash 2.4s linear infinite; }
.schematic .nodes circle { fill: var(--bg); stroke: var(--accent); stroke-width: 2; }
.schematic .nodes .n-signal { stroke: var(--signal); animation: pulse 2s ease-in-out infinite; transform-origin: 300px 150px; }
.schematic .tags text { font: 500 10px var(--mono); fill: var(--muted); letter-spacing: .08em; }
.schematic .sea { fill: rgba(63, 208, 201, .08); }
.schematic .sea2 { fill: rgba(63, 208, 201, .06); animation: drift 6s ease-in-out infinite alternate; }
@keyframes dash { to { stroke-dashoffset: -22; } }
@keyframes pulse { 50% { transform: scale(1.35); } }
@keyframes drift { to { transform: translateX(-20px); } }
@media (prefers-reduced-motion: reduce) { .schematic * { animation: none !important; } }

.pillars {
  position: relative; z-index: 1;
  list-style: none; padding: 0; margin: 56px 0 0;
  display: grid; grid-template-columns: repeat(3, 1fr);
  border: 1px solid var(--line); border-radius: var(--radius);
  background: rgba(13, 34, 56, .6);
}
.pillars li { padding: 22px 26px; display: flex; flex-direction: column; gap: 4px; }
.pillars li + li { border-left: 1px solid var(--line); }
.pillars b { font-size: 18px; }
.pillars span { color: var(--muted); font-size: 14px; }

/* sections */
.section { padding: 96px 0; }
.section-tint { background: var(--bg-2); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-head { max-width: 680px; margin-bottom: 44px; }
.section-head h2 { font-size: clamp(28px, 3.4vw, 40px); font-weight: 800; }
.section-head p { color: var(--muted); font-size: 17px; margin: 16px 0 0; }

.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 28px; transition: border-color .2s, transform .2s;
}
.card:hover { border-color: rgba(63, 208, 201, .5); transform: translateY(-2px); }
.ico { width: 22px; height: 22px; }
.card-ico { width: 40px; height: 40px; padding: 9px; border-radius: 10px; color: var(--accent); background: rgba(63, 208, 201, .1); margin-bottom: 18px; }
.card h3 { font-size: 19px; margin-bottom: 10px; }
.card p { color: var(--muted); margin: 0; font-size: 15px; }

.fleet-wrap { display: grid; grid-template-columns: 1fr 1.3fr; gap: 56px; align-items: start; }
.fleet { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.fleet li { background: var(--bg-2); padding: 22px 24px; display: flex; flex-direction: column; gap: 4px; }
.fleet b { font-size: 17px; }
.fleet b::before { content: ''; display: inline-block; width: 8px; height: 8px; border-radius: 50%; background: var(--accent); margin-right: 10px; vertical-align: middle; }
.fleet span { color: var(--muted); font-size: 14px; }

.steps { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(4, 1fr); gap: 18px; counter-reset: s; }
.steps li { border-top: 2px solid var(--line); padding-top: 22px; position: relative; }
.steps li::before { content: ''; position: absolute; top: -2px; left: 0; width: 48px; height: 2px; background: var(--accent); }
.step-n { font: 500 13px var(--mono); color: var(--signal); }
.steps h3 { font-size: 20px; margin: 8px 0 8px; }
.steps p { color: var(--muted); margin: 0; font-size: 15px; }

.news { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 18px; }
.news-item { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 26px; }
.news-item time { font: 500 12px var(--mono); color: var(--accent); letter-spacing: .06em; }
.news-item h3 { font-size: 19px; margin: 10px 0 10px; }
.news-item p { color: var(--muted); margin: 0 0 10px; font-size: 15px; }

.clients { list-style: none; padding: 0; margin: 0; display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 14px; }
.clients li { height: 96px; background: #f3f6f9; border-radius: 12px; display: flex; }
.clients li > a, .clients li > img, .clients li > span { flex: 1; display: flex; align-items: center; justify-content: center; padding: 16px 20px; text-decoration: none; }
.clients img { max-height: 56px; max-width: 100%; object-fit: contain; filter: grayscale(1); opacity: .8; transition: .2s; }
.clients li:hover img { filter: none; opacity: 1; }
.clients span { color: #0a1b2d; font-weight: 800; text-align: center; }

.app-band {
  display: grid; grid-template-columns: auto 1fr auto; gap: 32px; align-items: center;
  padding: 36px 40px; border-radius: 20px;
  background: linear-gradient(120deg, #0f2c48, #0b3a44);
  border: 1px solid rgba(63, 208, 201, .35);
}
.app-band img { border-radius: 22px; box-shadow: 0 10px 30px rgba(0, 0, 0, .35); }
.app-band h2 { font-size: clamp(22px, 2.6vw, 30px); font-weight: 800; }
.app-band p { color: var(--muted); margin: 10px 0 0; max-width: 560px; }
.app-band .eyebrow { margin-bottom: 10px; }

.contacts { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; }
.contact-card {
  display: flex; flex-direction: column; gap: 6px;
  background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius);
  padding: 26px; text-decoration: none; transition: border-color .2s;
}
a.contact-card:hover { border-color: var(--accent); }
.contact-card .ico { color: var(--accent); width: 26px; height: 26px; margin-bottom: 8px; }
.contact-card .label { font: 500 12px var(--mono); color: var(--muted); text-transform: uppercase; letter-spacing: .12em; }
.contact-card .value { font-size: 18px; font-weight: 700; word-break: break-word; }

.footer { padding: 32px 0; color: var(--muted); font-size: 14px; }
.footer-inner { display: flex; justify-content: space-between; gap: 16px; flex-wrap: wrap; }
.footer a { text-decoration: none; }

@media (max-width: 960px) {
  .hero-inner, .fleet-wrap { grid-template-columns: 1fr; }
  .hero-visual { max-width: 560px; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); row-gap: 32px; }
  .app-band { grid-template-columns: auto 1fr; }
  .app-band .btn { grid-column: 1 / -1; justify-self: start; }
}
@media (max-width: 760px) {
  .wrap { padding: 0 16px; }
  .topbar-inner { gap: 12px; }
  .topbar .btn-small { display: none; }
  .burger { display: block; margin-left: auto; }
  .nav {
    display: none; position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0; padding: 8px 16px 16px;
    background: var(--bg); border-bottom: 1px solid var(--line);
  }
  .nav.open { display: flex; }
  .nav a { padding: 12px 0; font-size: 17px; }
  .hero { padding-top: 40px; }
  .lead { font-size: 17px; }
  .pillars { grid-template-columns: 1fr; margin-top: 32px; }
  .pillars li + li { border-left: 0; border-top: 1px solid var(--line); }
  .section { padding: 64px 0; }
  .cards, .steps, .fleet { grid-template-columns: 1fr; }
  .app-band { grid-template-columns: 1fr; padding: 28px 22px; gap: 20px; }
  .clients { grid-template-columns: repeat(2, 1fr); }
  .news { grid-template-columns: 1fr; }
}