:root {
  --ink: #16211c;
  --muted: #5f6f67;
  --line: #d8dfd9;
  --bg: #f2f4f1;
  --surface: #ffffff;
  --deep: #0d231b;
  --deep-2: #123126;
  --accent: #0e7a5c;
  --accent-strong: #0a5c44;
  --sand: #e8c476;
  --ok: #178a50;
  --off: #b3452e;
  --radius: 8px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Segoe UI", "Noto Sans", "Helvetica Neue", Arial, sans-serif;
  line-height: 1.6; font-size: 16px;
}
a { color: var(--accent-strong); }
code, pre { font-family: Consolas, "Cascadia Mono", monospace; }
code { background: #e6ebe7; padding: 1px 6px; border-radius: 4px; font-size: .92em; }
pre code { background: none; padding: 0; }

.topbar {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: 28px;
  padding: 12px 32px; background: var(--deep); color: #eaf3ee;
}
.brand { display: flex; align-items: center; gap: 10px; color: #fff; text-decoration: none; font-size: 19px; font-weight: 700; }
.brand span { color: #8fd8bd; font-weight: 400; }
.brand-mark { width: 28px; height: 28px; stroke: var(--sand); fill: #8fd8bd; flex: none; }
.brand-mark circle { stroke: none; }
.main-nav { display: flex; gap: 24px; margin-left: 12px; }
.main-nav a { color: #cfe4da; text-decoration: none; font-size: 15px; }
.main-nav a:hover { color: #fff; text-decoration: underline; }
.top-actions { margin-left: auto; display: flex; gap: 10px; align-items: center; }
.btn {
  display: inline-block; padding: 10px 18px; border-radius: var(--radius);
  border: 1px solid var(--accent); background: var(--surface); color: var(--accent-strong);
  text-decoration: none; font-size: 15px; cursor: pointer; font-family: inherit; font-weight: 600;
}
.btn:hover { border-color: var(--accent-strong); background: #eef5f1; }
.btn.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
.btn.primary:hover { background: var(--accent-strong); }
.btn.ghost { background: transparent; color: #eaf3ee; border-color: #33544a; }
.btn.ghost:hover { background: var(--deep-2); color: #fff; }
.btn.big { padding: 13px 24px; font-size: 16px; }
.btn.small { padding: 5px 12px; font-size: 13.5px; margin-left: 10px; }
.btn.google { display: block; text-align: center; border-color: var(--line); color: var(--ink); }

main { max-width: 1140px; margin: 0 auto; padding: 0 24px 56px; }
.hero { display: grid; grid-template-columns: 1.05fr .95fr; gap: 48px; align-items: center; padding: 64px 0 48px; }
.hero h1 { font-size: 44px; line-height: 1.12; margin: 0 0 18px; font-weight: 750; letter-spacing: -.5px; }
.lead { font-size: 18.5px; color: #35443c; margin: 0 0 26px; max-width: 34em; }
.hero-actions { display: flex; gap: 12px; flex-wrap: wrap; margin-bottom: 30px; }
.hero-stats { display: flex; gap: 34px; margin: 0; }
.hero-stats div { border-top: 2px solid var(--sand); padding-top: 8px; }
.hero-stats dt { font-size: 22px; font-weight: 750; }
.hero-stats dd { margin: 0; color: var(--muted); font-size: 13.5px; }
.hero-diagram { margin: 0; background: var(--deep); border-radius: 12px; padding: 22px 18px 14px; }
.hero-diagram svg { width: 100%; height: auto; display: block; }
.hero-diagram figcaption { color: #bcd6c9; font-size: 13.5px; text-align: center; padding-top: 6px; }
.hero-diagram figcaption code { background: var(--deep-2); color: #8fd8bd; }
.hero-diagram .wire { fill: none; stroke: #3f6d5b; stroke-width: 1.6; stroke-dasharray: 5 5; }
.hero-diagram .node rect { fill: var(--deep-2); stroke: #33544a; }
.hero-diagram .node text { fill: #eaf3ee; font-size: 12.5px; font-family: inherit; }
.hero-diagram .node .ip { fill: #8fd8bd; font-size: 11.5px; font-family: Consolas, monospace; }
.hero-diagram .hub circle { fill: var(--sand); }
.hero-diagram .hub text { fill: var(--deep); font-weight: 800; font-size: 17px; font-family: inherit; }
.hero-diagram .hub .hub-sub { font-weight: 600; font-size: 10.5px; }

.section { margin-top: 64px; }
.section-title { font-size: 27px; margin: 0 0 20px; letter-spacing: -.3px; }
.status-band { margin-top: 8px; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 22px 26px; }
.status-head { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 12px; }
.status-head h2 { font-size: 20px; margin: 0; }
.live-note { color: var(--muted); font-size: 13px; text-transform: uppercase; letter-spacing: 1px; }
.status-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 14px; }
.status-item { display: flex; gap: 12px; align-items: flex-start; }
.dot { font-size: 19px; line-height: 1.3; color: #98a39c; }
.dot.ok { color: var(--ok); }
.dot.down { color: var(--off); }
small { color: var(--muted); }

.feature-list { display: grid; grid-template-columns: 1fr 1fr; column-gap: 44px; }
.feature-list article { display: flex; gap: 18px; padding: 20px 0; border-top: 1px solid var(--line); }
.f-num { font-size: 15px; font-weight: 800; color: var(--accent); padding-top: 3px; }
.feature-list h3 { margin: 0 0 6px; font-size: 18px; }
.feature-list p { margin: 0; color: #3d4a43; }
.how-steps { list-style: none; display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; padding: 0; margin: 0; }
.how-steps li { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 22px; display: flex; gap: 16px; }
.how-steps li > span { background: var(--deep); color: var(--sand); font-weight: 800; width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; flex: none; }
.how-steps h3 { margin: 2px 0 6px; font-size: 17px; }
.how-steps p { margin: 0; color: #3d4a43; font-size: 15px; }

.account-section { background: var(--surface); border: 1px solid var(--line); border-radius: 12px; padding: 30px 32px; }
.account-copy p { color: var(--muted); margin-top: -10px; }
.auth-box { max-width: 440px; margin-top: 18px; }
.divider { text-align: center; color: var(--muted); font-size: 13.5px; margin: 14px 0; }
.tabs { display: flex; gap: 8px; margin-bottom: 14px; }
.tab { flex: 1; padding: 9px; border: 1px solid var(--line); background: var(--bg); border-radius: var(--radius); cursor: pointer; font-family: inherit; font-size: 15px; }
.tab.active { background: var(--accent); color: #fff; border-color: var(--accent); }
.stack { display: grid; gap: 10px; }
input[type="email"], input[type="password"], input[type="text"], input[type="search"] {
  padding: 11px 13px; border: 1px solid var(--line); border-radius: var(--radius);
  font-size: 15px; font-family: inherit; background: var(--surface); color: var(--ink); width: 100%;
}
input:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--sand); outline-offset: 2px; }
.error { color: var(--off); font-size: 14.5px; }
.note { color: var(--muted); font-size: 15px; }
.welcome { font-size: 17px; }
.dashboard { margin-top: 10px; }
.stats { display: flex; gap: 14px; flex-wrap: wrap; margin: 18px 0; }
.stat { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 22px; min-width: 150px; }
.stat span { display: block; font-size: 30px; font-weight: 750; line-height: 1.1; }
.stat label { color: var(--muted); font-size: 13.5px; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: var(--radius); }
table { width: 100%; border-collapse: collapse; font-size: 14.5px; background: var(--surface); }
th, td { text-align: left; padding: 11px 14px; border-bottom: 1px solid var(--line); vertical-align: top; }
thead th { background: #e8ede9; font-weight: 700; }
tbody tr:last-child td { border-bottom: none; }
.badge { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: 13px; font-weight: 650; }
.badge.on { background: #dff2e6; color: #0d6b3d; }
.badge.off { background: #f6e3dd; color: #93331d; }
.connect-inline { margin-top: 26px; border-top: 1px solid var(--line); padding-top: 20px; }
.mobile-steps { padding-left: 20px; color: #3d4a43; }
.mobile-steps li { margin-bottom: 6px; }
#connect-box { background: var(--bg); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-top: 16px; }
#connect-box h4 { margin: 16px 0 6px; }
#connect-box h4:first-child { margin-top: 0; }
pre { background: var(--deep); color: #d9efe4; padding: 14px 16px; border-radius: var(--radius); overflow-x: auto; font-size: 13.5px; line-height: 1.55; }

details { border-top: 1px solid var(--line); padding: 14px 2px; }
details:last-of-type { border-bottom: 1px solid var(--line); }
summary { cursor: pointer; font-weight: 650; font-size: 16.5px; }
details p { color: #3d4a43; margin: 8px 0 4px; }
.cta-band { margin-top: 64px; background: var(--deep); border-radius: 12px; padding: 42px 32px; text-align: left; }
.cta-band h2 { color: #fff; font-size: 27px; margin: 0 0 18px; }
.cta-band .btn.primary { background: var(--sand); border-color: var(--sand); color: var(--deep); }
.cta-band .btn.primary:hover { background: #dcb862; border-color: #dcb862; }

footer { background: var(--deep); color: #bcd6c9; margin-top: 72px; }
.footer-grid { max-width: 1140px; margin: 0 auto; padding: 42px 24px 8px; display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 36px; }
footer strong { color: #fff; }
footer a { color: #8fd8bd; text-decoration: none; }
footer a:hover { text-decoration: underline; }
footer code { background: var(--deep-2); color: #8fd8bd; }
.copyright { max-width: 1140px; margin: 0 auto; padding: 10px 24px 30px; font-size: 13.5px; color: #7d988a; }

.admin-wrap { max-width: 900px; margin: 0 auto; padding: 40px 24px 64px; }
.admin-wrap h1 { font-size: 26px; margin: 0 0 6px; }
.login-row { display: flex; gap: 10px; max-width: 480px; }
.login-row input { flex: 1; }
.panel-tools { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 14px; }
.panel-tools input { flex: 1; min-width: 220px; }

@media (max-width: 860px) {
  .hero { grid-template-columns: 1fr; padding-top: 40px; gap: 30px; }
  .hero h1 { font-size: 33px; }
  .feature-list, .how-steps, .footer-grid { grid-template-columns: 1fr; }
  .main-nav { display: none; }
  .topbar { padding: 10px 16px; gap: 14px; }
  .account-section { padding: 22px 18px; }
  .hero-stats { flex-wrap: wrap; gap: 20px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }