:root {
  --bg: #0a0e17;
  --bg2: #111827;
  --panel: #151d2e;
  --text: #e8edf5;
  --muted: #8b9cb3;
  --accent: #00c9b7;
  --accent2: #3d7eff;
  --border: rgba(255, 255, 255, 0.08);
  --radius: 14px;
  --font-display: "Syne", system-ui, sans-serif;
  --font-body: "DM Sans", system-ui, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  background-image:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(0, 201, 183, 0.15), transparent),
    radial-gradient(ellipse 60% 40% at 90% 10%, rgba(61, 126, 255, 0.12), transparent);
}

.wrap { max-width: 1100px; margin: 0 auto; padding: 0 1.25rem; }
code { font-size: 0.9em; background: rgba(0, 201, 183, 0.12); padding: 0.15em 0.45em; border-radius: 6px; color: var(--accent); }

/* Header */
.top {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10, 14, 23, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.top-inner { display: flex; align-items: center; justify-content: space-between; min-height: 64px; gap: 1rem; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 0.75rem; }
.brand-mark {
  width: 44px; height: 44px; border-radius: 10px;
  background: linear-gradient(135deg, var(--accent), var(--accent2));
  display: grid; place-items: center;
  font-family: var(--font-display); font-weight: 800; font-size: 0.85rem; color: #0a0e17;
}
.brand-name { display: block; font-family: var(--font-display); font-size: 1.05rem; letter-spacing: -0.02em; }
.brand-sub { font-size: 0.72rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.nav { display: flex; gap: 1.25rem; }
.nav a { color: var(--muted); text-decoration: none; font-size: 0.9rem; font-weight: 600; }
.nav a:hover { color: var(--accent); }

/* Hero */
.hero { padding: 4rem 0 3rem; }
.hero-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 2.5rem; align-items: center; }
@media (max-width: 860px) { .hero-grid { grid-template-columns: 1fr; } }
.eyebrow {
  font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.12em;
  color: var(--accent); font-weight: 700; margin: 0 0 0.75rem;
}
.hero h1 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.85rem);
  line-height: 1.1; margin: 0 0 1rem; font-weight: 800;
}
.accent { color: var(--accent); }
.lead { color: var(--muted); font-size: 1.05rem; max-width: 34rem; margin: 0 0 1.5rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-bottom: 1.5rem; }
.trust { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 1rem; font-size: 0.85rem; color: var(--muted); }
.trust li::before { content: "✓ "; color: var(--accent); }

.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 0.7rem 1.25rem; border-radius: 10px; font-weight: 700; font-size: 0.9rem;
  text-decoration: none; border: none; cursor: pointer; transition: transform 0.15s, box-shadow 0.15s;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: linear-gradient(135deg, var(--accent), #00a89a);
  color: #041210; box-shadow: 0 8px 24px rgba(0, 201, 183, 0.25);
}
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--border); }
.btn-card { width: 100%; background: var(--accent2); color: #fff; margin-top: auto; }
.btn-card:hover { box-shadow: 0 6px 20px rgba(61, 126, 255, 0.35); }

/* Mock client */
.mock-window {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  overflow: hidden; box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}
.mock-bar {
  display: flex; align-items: center; gap: 6px; padding: 0.65rem 1rem;
  background: #0d1220; border-bottom: 1px solid var(--border);
}
.mock-bar span:nth-child(1) { background: #ff5f57; width: 10px; height: 10px; border-radius: 50%; }
.mock-bar span:nth-child(2) { background: #febc2e; width: 10px; height: 10px; border-radius: 50%; }
.mock-bar span:nth-child(3) { background: #28c840; width: 10px; height: 10px; border-radius: 50%; }
.mock-title { margin-left: 0.5rem; font-size: 0.75rem; color: var(--muted); }
.mock-body { padding: 1.5rem; }
.mock-id small, .mock-server small { color: var(--muted); font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.06em; }
.mock-id strong { display: block; font-size: 1.5rem; letter-spacing: 0.15em; margin: 0.25rem 0 1rem; font-family: var(--font-display); }
.mock-status {
  display: inline-block; padding: 0.35rem 0.75rem; border-radius: 999px; font-size: 0.8rem; font-weight: 600; margin-bottom: 1rem;
}
.mock-status.online { background: rgba(0, 201, 183, 0.15); color: var(--accent); }
.mock-server code { display: block; margin-top: 0.35rem; font-size: 0.85rem; word-break: break-all; }

/* Sections */
.section { padding: 3.5rem 0; }
.section h2 { font-family: var(--font-display); font-size: 1.75rem; margin: 0 0 0.5rem; }
.section-desc { color: var(--muted); margin: 0 0 2rem; }
.download { background: var(--bg2); border-block: 1px solid var(--border); }
.cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 1.25rem;
}
.card {
  background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.5rem; display: flex; flex-direction: column; gap: 0.35rem;
  transition: border-color 0.2s, transform 0.2s;
}
.card:hover { border-color: rgba(0, 201, 183, 0.35); transform: translateY(-3px); }
.card h3 { margin: 0.5rem 0 0; font-family: var(--font-display); font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: 0.88rem; flex: 1; }
.card-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(61, 126, 255, 0.2); }
.card-icon.win { background: linear-gradient(135deg, #0078d4, #00a4ef); }
.card-icon.mac, .card-icon.mac-intel { background: linear-gradient(135deg, #555, #aaa); }
.card-icon.linux { background: linear-gradient(135deg, #e95420, #f9a825); }
.fine { margin-top: 1.5rem; font-size: 0.85rem; color: var(--muted); }
.fine a { color: var(--accent2); }

/* Config */
.config-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.config-box.full { grid-column: 1 / -1; }
@media (max-width: 640px) { .config-grid { grid-template-columns: 1fr; } }
.config-box label { display: block; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); margin-bottom: 0.4rem; font-weight: 700; }
.copy-row { display: flex; gap: 0.5rem; }
.copy-row input {
  flex: 1; background: var(--panel); border: 1px solid var(--border); border-radius: 8px;
  padding: 0.65rem 0.85rem; color: var(--text); font-family: inherit; font-size: 0.9rem;
}
.btn-copy {
  padding: 0.65rem 1rem; border-radius: 8px; border: 1px solid var(--border);
  background: var(--bg2); color: var(--accent); font-weight: 700; cursor: pointer; white-space: nowrap;
}
.btn-copy:hover { background: rgba(0, 201, 183, 0.12); }
.steps { margin-top: 1.5rem; background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 1rem 1.25rem; }
.steps summary { cursor: pointer; font-weight: 700; color: var(--accent); }
.steps ol { margin: 1rem 0 0; padding-left: 1.25rem; color: var(--muted); }
.steps li { margin-bottom: 0.5rem; }

/* Support */
.support-inner { display: flex; flex-wrap: wrap; gap: 2rem; justify-content: space-between; align-items: flex-start; }
.support-meta p { margin: 0.35rem 0; color: var(--muted); font-size: 0.9rem; }
.support-meta a { color: var(--accent2); }

/* Footer */
.footer { border-top: 1px solid var(--border); padding: 2rem 0; margin-top: 1rem; }
.footer-inner p { margin: 0.25rem 0; color: var(--muted); font-size: 0.85rem; }
.legal { font-size: 0.78rem !important; opacity: 0.75; }

.toast {
  position: fixed; bottom: 1.5rem; left: 50%; transform: translateX(-50%) translateY(120%);
  background: var(--accent); color: #041210; padding: 0.75rem 1.25rem; border-radius: 10px;
  font-weight: 700; font-size: 0.9rem; transition: transform 0.3s; z-index: 100; pointer-events: none;
}
.toast.show { transform: translateX(-50%) translateY(0); }