/* tracking.ferreiraandren.com — dark panel idiom, matching William's sims. */
:root {
  --bg: #0b0e14;
  --panel: #131824;
  --panel-2: #1a2130;
  --ink: #e7ecf4;
  --muted: #8b97ad;
  --line: #232c3d;
  --accent: #5b8cff;
  --accent-2: #7bd88f;
  --warn: #ffb454;
  --danger: #ff6b6b;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background:
    radial-gradient(1200px 600px at 70% -10%, #16203a 0%, transparent 60%),
    var(--bg);
  color: var(--ink);
  font: 15px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  -webkit-font-smoothing: antialiased;
}

#mousepath {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.5;
}

header, section, footer { position: relative; z-index: 1; }

.hero {
  max-width: 900px;
  margin: 0 auto;
  padding: 72px 24px 24px;
}
.kicker {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--accent);
  margin: 0 0 16px;
}
h1 {
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
}
.lede {
  color: var(--muted);
  font-size: 17px;
  max-width: 680px;
}
.lede em { color: var(--ink); font-style: normal; border-bottom: 1px dashed var(--line); }

section {
  max-width: 1100px;
  margin: 0 auto;
  padding: 28px 24px;
}
h2 {
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 0 0 6px;
}
.sectionlede { color: var(--muted); max-width: 720px; margin: 0 0 20px; }

/* the big fingerprint box */
.fpbox {
  max-width: 900px;
  margin: 8px auto 12px;
  padding: 28px;
  background: linear-gradient(180deg, var(--panel-2), var(--panel));
  border: 1px solid var(--line);
  border-radius: 16px;
}
.fplabel {
  font-family: var(--mono);
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
}
.fphash {
  font-family: var(--mono);
  font-size: clamp(22px, 5vw, 34px);
  color: var(--accent-2);
  letter-spacing: 0.04em;
  word-break: break-all;
  margin: 8px 0 12px;
}
.fpsub { color: var(--ink); font-size: 15px; }
#fp-unique { color: var(--warn); margin-top: 4px; }
.fpnote { color: var(--muted); font-size: 14px; margin: 16px 0 0; }
.fpnote strong { color: var(--ink); }

/* cards */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}
.card {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px 18px 8px;
  overflow: hidden;
}
.card.wide { grid-column: 1 / -1; }
.card h3 {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--accent);
  letter-spacing: 0.01em;
}

.row {
  display: grid;
  grid-template-columns: 150px 1fr;
  grid-template-areas: "k v" "note note";
  gap: 2px 14px;
  padding: 10px 0;
  border-top: 1px solid var(--line);
}
.card h3 + .row { border-top: none; }
.row .k { grid-area: k; color: var(--muted); font-size: 13px; padding-top: 1px; }
.row .v {
  grid-area: v;
  font-family: var(--mono);
  font-size: 13px;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
}
.row .note { grid-area: note; color: var(--muted); font-size: 12.5px; opacity: 0.85; padding-top: 2px; }
.row.warn .v { color: var(--warn); }
.row.warn { background: rgba(255, 180, 84, 0.05); }

.muted { color: var(--muted); }

/* the same-origin explanation block */
.wall {
  margin-top: 18px;
  padding: 22px 24px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--accent);
  border-radius: 14px;
}
.wall h3 { margin: 0 0 12px; font-size: 16px; color: var(--ink); }
.wall h3 em { color: var(--accent); font-style: italic; }
.wall p { color: var(--muted); max-width: 760px; margin: 0 0 12px; }
.wall p strong { color: var(--ink); }
.wall ul { color: var(--muted); max-width: 760px; margin: 0 0 12px; padding-left: 20px; }
.wall li { margin-bottom: 10px; }
.wall li strong { color: var(--ink); }
.wall code {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent-2);
  background: var(--panel-2);
  padding: 1px 5px;
  border-radius: 5px;
}
.cookie-lock { color: var(--warn); }
.cookie-readable { color: var(--accent-2); }

/* opt-in (permissioned) tier */
.btn {
  appearance: none;
  border: 1px solid var(--accent);
  background: rgba(91, 140, 255, 0.12);
  color: var(--ink);
  font: inherit;
  font-size: 14px;
  padding: 10px 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s ease, transform 0.05s ease;
}
.btn:hover { background: rgba(91, 140, 255, 0.22); }
.btn:active { transform: translateY(1px); }
.optin-result { margin-top: 14px; color: var(--muted); font-size: 13.5px; }
.optin-result .row { grid-template-columns: 160px 1fr; grid-template-areas: "k v"; }
.maplink {
  display: inline-block;
  margin-top: 10px;
  color: var(--accent);
  font-family: var(--mono);
  font-size: 13px;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
}
.maplink:hover { border-bottom-color: var(--accent); }

/* danger button (forget me) */
.btn.danger { border-color: var(--danger); background: rgba(255, 107, 107, 0.12); }
.btn.danger:hover { background: rgba(255, 107, 107, 0.22); }

/* the "still you" verdict banner */
.verdict {
  margin-bottom: 18px;
  padding: 18px 20px;
  background: linear-gradient(180deg, rgba(255, 107, 107, 0.14), rgba(255, 107, 107, 0.06));
  border: 1px solid var(--danger);
  border-radius: 12px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.55;
}
.verdict strong { color: var(--danger); }

/* session replay */
.replay-stage {
  position: relative;
  margin-top: 16px;
  min-height: 40px;
}
.replay-cursor {
  position: fixed;
  z-index: 9999;
  width: 18px;
  height: 18px;
  margin: -2px 0 0 -2px;
  border-radius: 50%;
  background: rgba(91, 140, 255, 0.9);
  box-shadow: 0 0 0 4px rgba(91, 140, 255, 0.25), 0 0 14px rgba(91, 140, 255, 0.6);
  pointer-events: none;
  transition: left 0.05s linear, top 0.05s linear;
}
.replay-ripple {
  position: fixed;
  z-index: 9998;
  width: 10px;
  height: 10px;
  margin: -5px 0 0 -5px;
  border-radius: 50%;
  border: 2px solid var(--accent-2);
  pointer-events: none;
  animation: ripple 0.6s ease-out forwards;
}
@keyframes ripple {
  from { transform: scale(1); opacity: 0.9; }
  to { transform: scale(6); opacity: 0; }
}
.replay-scrollbar {
  position: relative;
  width: 100%;
  height: 6px;
  margin-top: 10px;
  background: var(--line);
  border-radius: 3px;
  overflow: hidden;
}
#replay-thumb {
  position: absolute;
  left: 0; top: 0;
  width: 100%;
  height: 3px;
  background: var(--accent);
  transition: top 0.08s linear;
}

/* behaviour */
.typetest {
  width: 100%;
  max-width: 620px;
  padding: 12px 14px;
  margin: 0 0 18px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 10px;
  color: var(--ink);
  font-size: 15px;
}
.typetest:focus { outline: none; border-color: var(--accent); }
.behaviour .row { grid-template-columns: 180px 90px; grid-template-areas: "k v" "note note"; }

footer {
  max-width: 900px;
  margin: 20px auto 60px;
  padding: 24px;
  color: var(--muted);
  font-size: 13.5px;
  border-top: 1px solid var(--line);
}