:root {
  color-scheme: dark;
  --bg: #071018;
  --panel: #0d1923;
  --line: rgba(255, 255, 255, .12);
  --text: #f3f7f9;
  --muted: #9cafba;
  --accent: #f4b53f;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  font-size: 14px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 85% 15%, rgba(24, 111, 145, .28), transparent 35%),
    linear-gradient(135deg, #071018 0%, #0a141d 100%);
}

.shell { width: min(1040px, calc(100% - 40px)); margin: 0 auto; }

.topbar {
  min-height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
}

.brand { display: flex; align-items: center; gap: 10px; color: inherit; text-decoration: none; letter-spacing: .06em; font-size: .9rem; }
.brand strong { color: var(--accent); font-weight: 700; }
.brand-mark { display: grid; place-items: center; width: 30px; height: 30px; background: var(--accent); color: #15202a; font-weight: 900; }
.platform-link { color: var(--text); text-decoration: none; border-bottom: 1px solid var(--accent); padding: 6px 0; font-size: .9rem; }

.hero { padding: 44px 0 48px; max-width: 760px; }
.eyebrow { margin: 0 0 12px; color: var(--accent); font-size: .68rem; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1 { margin: 0; font-size: clamp(2.25rem, 4vw, 3.5rem); line-height: .98; letter-spacing: -.04em; }
.intro { max-width: 610px; margin: 18px 0; color: var(--muted); font-size: 1rem; line-height: 1.55; }
.status { display: inline-flex; align-items: center; gap: 8px; padding: 8px 11px; border: 1px solid var(--line); color: #cbd7dd; font-size: .78rem; }
.status span { width: 8px; height: 8px; border-radius: 50%; background: #65d58a; box-shadow: 0 0 14px #65d58a; }

.tools { display: grid; grid-template-columns: 1fr 1.2fr; gap: 44px; padding: 36px 0 62px; border-top: 1px solid var(--line); }
.tool-list { display: grid; gap: 12px; }
h2 { margin: 0; font-size: clamp(1.5rem, 2.5vw, 2.1rem); line-height: 1.05; }
.tool-card { display: flex; align-items: flex-start; gap: 20px; padding: 22px; background: var(--panel); border: 1px solid var(--line); color: inherit; text-decoration: none; transition: border-color .2s, transform .2s; }
.tool-card:hover { border-color: rgba(244, 181, 63, .7); transform: translateY(-3px); }
.tool-number { color: var(--accent); font-family: ui-monospace, monospace; }
.tool-card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.tool-card p { margin: 0; color: var(--muted); line-height: 1.6; }
.tool-state { display: inline-block; margin-bottom: 9px; color: #65d58a; font-size: .64rem; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.tool-arrow { margin-left: auto; color: var(--accent); font-size: 1.3rem; }

@media (max-width: 720px) {
  .shell { width: min(100% - 28px, 1160px); }
  .topbar { min-height: 58px; }
  .brand { font-size: .85rem; }
  .platform-link { font-size: .85rem; }
  .hero { padding: 38px 0 44px; }
  .tools { grid-template-columns: 1fr; gap: 36px; }
}