/* Shared shell for landing mocks */
:root {
  --bg: #0d1117;
  --bg-elevated: #161b22;
  --bg-hover: #1c2128;
  --text: #e6edf3;
  --muted: #8b949e;
  --blue: #58a6ff;
  --green: #3fb950;
  --green-dim: #238636;
  --red: #f85149;
  --yellow: #d29922;
  --purple: #a371f7;
  --border: #30363d;
  --radius: 10px;
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.5;
  min-height: 100vh;
  padding-bottom: 88px;
}
a { color: var(--blue); text-decoration: none; }
.wrap { max-width: 1040px; margin: 0 auto; padding: 0 20px; }

/* Floating mock nav */
.mock-nav {
  position: fixed;
  inset: auto 0 0 0;
  height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 16px;
  background: rgba(13, 17, 23, 0.92);
  border-top: 1px solid var(--border);
  backdrop-filter: blur(10px);
  z-index: 1000;
}
.mock-nav-btn {
  width: 52px;
  height: 52px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text);
  font-size: 22px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: border-color 0.15s, background 0.15s;
}
.mock-nav-btn:hover {
  border-color: var(--blue);
  background: var(--bg-hover);
}
.mock-nav-btn:disabled {
  opacity: 0.35;
  cursor: default;
}
.mock-nav-meta {
  text-align: center;
  flex: 1;
  padding: 0 12px;
  min-width: 0;
}
.mock-nav-meta .mock-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}
.mock-nav-meta .mock-title {
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.mock-nav-meta .mock-index {
  font-size: 12px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.mock-nav-meta a {
  display: inline-block;
  margin-top: 2px;
  font-size: 12px;
  color: var(--muted);
}
.mock-nav-meta a:hover { color: var(--blue); }

.mock-badge {
  position: fixed;
  top: 12px;
  right: 12px;
  z-index: 999;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(163, 113, 247, 0.15);
  border: 1px solid rgba(163, 113, 247, 0.4);
  color: var(--purple);
}

/* Common landing bits */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 18px;
  border-radius: 8px;
  border: 1px solid var(--border);
  font-size: 14px;
  font-weight: 600;
  cursor: pointer;
  background: var(--bg-elevated);
  color: var(--text);
}
.btn-primary {
  background: var(--green);
  border-color: var(--green);
  color: #0d1117;
}
.btn-ghost { background: transparent; }
.btn-lg { padding: 14px 22px; font-size: 15px; }

.topbar {
  border-bottom: 1px solid var(--border);
  padding: 14px 0;
  position: sticky;
  top: 0;
  background: rgba(13, 17, 23, 0.92);
  backdrop-filter: blur(8px);
  z-index: 10;
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo-text { font-weight: 700; font-size: 18px; }
.logo-text span { color: var(--blue); }

.muted { color: var(--muted); }
.kicker {
  font-size: 13px;
  font-weight: 600;
  color: var(--green);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}
h1 { font-size: clamp(28px, 4vw, 42px); line-height: 1.15; letter-spacing: -0.02em; }
.subhead { color: var(--muted); font-size: 17px; margin-top: 14px; max-width: 34em; }

.shot {
  border-radius: 12px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  overflow: hidden;
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}
.shot img { display: block; width: 100%; height: auto; }

@media (max-width: 720px) {
  .mock-nav { height: 64px; }
  .mock-nav-btn { width: 44px; height: 44px; font-size: 18px; }
}