:root {
  color-scheme: dark;
  --bg: #090d12;
  --panel: rgba(18, 25, 34, 0.82);
  --panel-solid: #121922;
  --line: rgba(158, 190, 203, 0.18);
  --text: #e8f0f2;
  --muted: #91a3ab;
  --accent: #8ed6c2;
  --accent-soft: rgba(142, 214, 194, 0.12);
  --warning: #d9bb77;
  --danger: #e59a9a;
  --max: 1120px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 82% 10%, rgba(70, 128, 128, 0.16), transparent 32rem),
    radial-gradient(circle at 8% 78%, rgba(95, 82, 129, 0.13), transparent 30rem),
    linear-gradient(180deg, #0b1016 0%, var(--bg) 65%);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.6;
}

a { color: inherit; text-decoration: none; }
a:hover { color: var(--accent); }
img, svg { display: block; max-width: 100%; }
button, input { font: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  border-bottom: 1px solid var(--line);
  background: rgba(9, 13, 18, 0.84);
  backdrop-filter: blur(18px);
}

.nav-wrap {
  width: min(var(--max), calc(100% - 2rem));
  margin: 0 auto;
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

.brand { display: inline-flex; align-items: center; gap: .8rem; font-weight: 700; letter-spacing: .08em; }
.brand-mark {
  width: 34px; height: 34px; border: 1px solid rgba(142, 214, 194, .45); border-radius: 10px;
  display: grid; place-items: center; background: linear-gradient(145deg, rgba(142,214,194,.15), rgba(105,104,150,.14));
  box-shadow: inset 0 0 24px rgba(142,214,194,.08);
}
.brand-mark::before { content: ""; width: 12px; height: 12px; border: 2px solid var(--accent); transform: rotate(45deg); }

.nav-links { display: flex; align-items: center; gap: 1.25rem; color: var(--muted); font-size: .95rem; }
.nav-links a[aria-current="page"] { color: var(--text); }
.nav-toggle { display: none; background: transparent; color: var(--text); border: 1px solid var(--line); border-radius: 9px; padding: .55rem .7rem; }

main { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; }
.hero { min-height: 68vh; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 4rem; padding: 6rem 0 4rem; }
.eyebrow { color: var(--accent); text-transform: uppercase; letter-spacing: .18em; font-size: .75rem; font-weight: 700; }
h1 { margin: .55rem 0 1.2rem; max-width: 13ch; font-size: clamp(3rem, 8vw, 6.8rem); line-height: .9; letter-spacing: -.055em; }
h2 { margin: 0 0 1rem; font-size: clamp(1.7rem, 3vw, 2.6rem); letter-spacing: -.035em; }
h3 { margin: 0 0 .4rem; font-size: 1.08rem; }
.lead { max-width: 62ch; color: var(--muted); font-size: 1.08rem; }
.actions { display: flex; flex-wrap: wrap; gap: .8rem; margin-top: 2rem; }
.button { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: .7rem 1.1rem; border-radius: 10px; border: 1px solid var(--line); background: rgba(255,255,255,.025); }
.button.primary { background: var(--accent); border-color: var(--accent); color: #07100e; font-weight: 700; }
.button:hover { transform: translateY(-1px); color: inherit; border-color: rgba(142,214,194,.55); }

.orbit-card {
  min-height: 390px;
  position: relative;
  border: 1px solid var(--line);
  border-radius: 28px;
  overflow: hidden;
  background: linear-gradient(145deg, rgba(20,31,41,.9), rgba(11,16,22,.72));
  box-shadow: 0 32px 90px rgba(0,0,0,.34);
}
.orbit-card::before, .orbit-card::after { content: ""; position: absolute; border-radius: 50%; border: 1px solid rgba(142,214,194,.2); }
.orbit-card::before { width: 270px; height: 270px; right: -35px; top: 34px; box-shadow: 0 0 80px rgba(142,214,194,.07); }
.orbit-card::after { width: 150px; height: 150px; right: 25px; top: 94px; border-color: rgba(197,184,236,.24); }
.orbit-dot { position: absolute; width: 18px; height: 18px; border-radius: 50%; background: var(--accent); right: 168px; top: 72px; box-shadow: 0 0 28px var(--accent); }
.orbit-copy { position: absolute; inset: auto 2rem 2rem 2rem; }
.metric { display: flex; justify-content: space-between; gap: 1rem; padding: .75rem 0; border-top: 1px solid var(--line); color: var(--muted); }
.metric strong { color: var(--text); font-weight: 600; }
.status-online { color: var(--accent); }

.section { padding: 4rem 0; }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.card { border: 1px solid var(--line); border-radius: 18px; padding: 1.4rem; background: var(--panel); }
.card p { color: var(--muted); margin-bottom: 0; }
.card .meta { color: var(--accent); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }

.page-head { padding: 5rem 0 2.5rem; border-bottom: 1px solid var(--line); }
.page-head h1 { max-width: none; font-size: clamp(2.5rem, 6vw, 5.2rem); }
.content { max-width: 780px; padding: 3rem 0 6rem; }
.content p, .content li { color: var(--muted); }
.content section + section { margin-top: 2.5rem; }
.list-clean { list-style: none; padding: 0; }
.list-clean li { padding: .95rem 0; border-bottom: 1px solid var(--line); }

.status-list { display: grid; gap: .7rem; margin-top: 2rem; }
.status-row { display: grid; grid-template-columns: 1fr auto; gap: 1rem; padding: 1rem 1.1rem; border: 1px solid var(--line); border-radius: 12px; background: var(--panel); }
.status-row span:last-child { color: var(--accent); }

.login-shell { max-width: 460px; padding: 4rem 0 7rem; }
.login-card { padding: 1.6rem; border: 1px solid var(--line); border-radius: 18px; background: var(--panel-solid); }
.field { display: grid; gap: .4rem; margin-top: 1rem; }
.field label { color: var(--muted); font-size: .9rem; }
.field input { width: 100%; border: 1px solid var(--line); border-radius: 10px; background: #0b1118; color: var(--text); padding: .8rem .9rem; outline: none; }
.field input:focus { border-color: rgba(142,214,194,.65); box-shadow: 0 0 0 3px var(--accent-soft); }
.login-card .button { width: 100%; margin-top: 1.2rem; }
.form-message { display: none; margin-top: 1rem; padding: .85rem 1rem; border-radius: 10px; color: var(--danger); background: rgba(229,154,154,.08); border: 1px solid rgba(229,154,154,.18); }
.form-message.visible { display: block; }
.small { font-size: .88rem; color: var(--muted); }

.site-footer { border-top: 1px solid var(--line); color: var(--muted); }
.footer-wrap { width: min(var(--max), calc(100% - 2rem)); margin: 0 auto; display: flex; justify-content: space-between; gap: 1rem; padding: 2rem 0; font-size: .88rem; }

@media (max-width: 820px) {
  .hero { grid-template-columns: 1fr; gap: 2rem; padding-top: 4rem; }
  .orbit-card { min-height: 320px; }
  .grid { grid-template-columns: 1fr; }
  .nav-toggle { display: inline-flex; }
  .nav-links { display: none; position: absolute; left: 1rem; right: 1rem; top: 64px; flex-direction: column; align-items: stretch; padding: 1rem; border: 1px solid var(--line); border-radius: 12px; background: #0d131a; }
  .nav-links.open { display: flex; }
  .footer-wrap { flex-direction: column; }
}