:root {
  --bg: #050608;
  --bg-2: #0a0c11;
  --fg: #f3f4f6;
  --fg-dim: #8b919c;
  --fg-faint: #4a5060;
  --accent: #2F6BFF;
  --border: rgba(255,255,255,0.08);
  --border-strong: rgba(255,255,255,0.16);
  --mono: 'JetBrains Mono', ui-monospace, SFMono-Regular, Menlo, monospace;
  --sans: 'Inter Tight', 'Inter', -apple-system, system-ui, sans-serif;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--fg); font-family: var(--sans); -webkit-font-smoothing: antialiased; }
body { min-height: 100vh; overflow-x: hidden; }

.page {
  position: relative;
  min-height: 100vh;
  padding: 32px 56px 28px;
  display: grid;
  grid-template-rows: auto 1fr auto auto;
  gap: 0;
}

/* Backdrop layers */
.constellation {
  position: fixed; inset: 0;
  width: 100vw; height: 100vh;
  z-index: 0;
  pointer-events: none;
}
.vignette {
  position: fixed; inset: 0;
  background:
    radial-gradient(ellipse at 30% 40%, rgba(47,107,255,0.08), transparent 55%),
    radial-gradient(ellipse at 80% 80%, rgba(47,107,255,0.04), transparent 60%),
    linear-gradient(180deg, rgba(5,6,8,0.6) 0%, rgba(5,6,8,0.0) 30%, rgba(5,6,8,0.0) 70%, rgba(5,6,8,0.85) 100%);
  z-index: 1;
  pointer-events: none;
}

.topbar, .hero, .log-wrap, .footer { position: relative; z-index: 2; }

/* Top bar */
.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 24px;
}
.brand { display: flex; align-items: center; gap: 12px; }
.wordmark { height: 64px; display: block; }
.mark { height: 56px; display: block; }
.brand-text { font-family: var(--sans); font-weight: 600; font-size: 22px; letter-spacing: -0.02em; }

.status-pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 8px 14px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--fg-dim);
  background: rgba(10,12,17,0.6);
  backdrop-filter: blur(8px);
}
.pulse {
  width: 7px; height: 7px; border-radius: 50%;
  box-shadow: 0 0 0 0 currentColor;
  animation: pulse 2s infinite;
}
@keyframes pulse {
  0% { box-shadow: 0 0 0 0 var(--accent); opacity: 1; }
  70% { box-shadow: 0 0 0 8px rgba(47,107,255,0); opacity: 0.7; }
  100% { box-shadow: 0 0 0 0 rgba(47,107,255,0); opacity: 1; }
}

/* Hero */
.hero {
  max-width: 880px;
  padding: 80px 0 60px;
  display: flex;
  flex-direction: column;
  gap: 28px;
}
.eyebrow {
  display: flex; align-items: center; gap: 14px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.22em;
  color: var(--fg-dim);
}
.eyebrow .line {
  width: 32px; height: 1px; background: var(--accent); opacity: 0.7;
}

.headline {
  font-family: var(--sans);
  font-size: clamp(44px, 6.6vw, 88px);
  font-weight: 500;
  line-height: 1.02;
  letter-spacing: -0.035em;
  margin: 0;
  text-wrap: balance;
}
.h-accent { color: var(--accent); }

.lede {
  font-size: 19px;
  line-height: 1.55;
  color: var(--fg-dim);
  max-width: 620px;
  margin: 0;
  text-wrap: pretty;
}
.lede-accent {
  color: var(--fg);
  font-weight: 500;
}

/* Waitlist */
.waitlist {
  margin-top: 16px;
  display: flex; flex-direction: column; gap: 14px;
  max-width: 560px;
}
.role-row { display: flex; flex-wrap: wrap; gap: 8px; }
.role-chip {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 7px 12px;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: transparent;
  color: var(--fg-dim);
  cursor: pointer;
  transition: color 120ms, border-color 120ms, background 120ms;
}
.role-chip:hover { color: var(--fg); border-color: rgba(255,255,255,0.28); }
.role-chip.active { background: rgba(47,107,255,0.08); }

.email-row {
  display: flex;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: rgba(10,12,17,0.6);
  backdrop-filter: blur(10px);
  overflow: hidden;
  transition: border-color 140ms;
}
.email-row:focus-within { border-color: var(--accent); }
.email-row input {
  flex: 1;
  background: transparent;
  border: 0;
  outline: 0;
  padding: 18px 20px;
  font-family: var(--sans);
  font-size: 16px;
  color: var(--fg);
}
.email-row input::placeholder { color: var(--fg-faint); }
.email-row input.err { color: #ff8a8a; }

.submit {
  border: 0;
  padding: 0 22px;
  font-family: var(--sans);
  font-size: 15px;
  font-weight: 500;
  color: white;
  cursor: pointer;
  display: inline-flex; align-items: center; gap: 10px;
  transition: filter 120ms, transform 120ms;
}
.submit:hover { filter: brightness(1.1); }
.submit:active { transform: translateY(1px); }
.submit:disabled { opacity: 0.7; cursor: wait; }
.submit .arrow { transition: transform 160ms; }
.submit:hover .arrow { transform: translateX(3px); }

.form-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--fg-faint);
}

.waitlist-done {
  margin-top: 16px;
  max-width: 560px;
  display: flex; align-items: center; gap: 16px;
  padding: 20px 22px;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: rgba(10,12,17,0.6);
  backdrop-filter: blur(10px);
}
.check {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1.5px solid;
  display: flex; align-items: center; justify-content: center;
  font-size: 18px;
  flex-shrink: 0;
}
.done-title { font-size: 17px; font-weight: 500; margin-bottom: 2px; }
.done-sub { font-size: 13px; color: var(--fg-dim); }

/* Bottom rail — single formula tagline */
.bottom-rail {
  position: relative;
  z-index: 2;
  margin-top: auto;
  padding: 28px 0 24px;
  display: flex;
  justify-content: flex-start;
}
.formula {
  display: inline-flex;
  align-items: baseline;
  gap: 14px;
  font-family: var(--sans);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 500;
  letter-spacing: -0.02em;
  color: var(--fg);
  padding: 14px 22px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: rgba(10,12,17,0.55);
  backdrop-filter: blur(10px);
}
.formula-token { color: var(--fg); }
.formula-op {
  font-family: var(--mono);
  font-weight: 400;
  font-size: 0.9em;
  opacity: 0.95;
}

/* Operator log */
.log {
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(10,12,17,0.55);
  backdrop-filter: blur(10px);
  padding: 16px 20px;
  height: 100%;
}
.log-head {
  display: flex; align-items: center; gap: 10px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 12px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.18em;
}
.log-dot { width: 6px; height: 6px; border-radius: 50%; animation: pulse 2s infinite; }
.log-title { color: var(--fg); }
.log-meta { color: var(--fg-faint); margin-left: auto; }

.log-body { display: flex; flex-direction: column; gap: 8px; }
.log-row {
  display: grid;
  grid-template-columns: 70px 90px 1fr;
  gap: 12px;
  font-family: var(--mono);
  font-size: 12px;
  align-items: center;
  transition: opacity 600ms;
}
.log-time { color: var(--fg-faint); }
.log-tag {
  font-size: 10px;
  letter-spacing: 0.14em;
  border: 1px solid;
  padding: 3px 7px;
  border-radius: 4px;
  text-align: center;
  width: fit-content;
}
.log-text { color: var(--fg-dim); font-family: var(--sans); font-size: 13px; }

/* Footer */
.footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 20px;
  border-top: 1px solid var(--border);
  margin-top: 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--fg-faint);
}
.dot-sep { margin: 0 8px; opacity: 0.6; }
.footer a { color: var(--fg-dim); text-decoration: none; transition: color 120ms; }
.footer a:hover { color: var(--accent); }

/* Responsive */
@media (max-width: 720px) {
  .page { padding: 20px 22px 18px; }
  .hero { padding: 48px 0 40px; }
  .lede { font-size: 17px; }
  .email-row { flex-direction: column; }
  .email-row input { padding: 16px 18px; }
  .submit { padding: 16px; justify-content: center; }
  .log-row { grid-template-columns: 60px 70px 1fr; gap: 8px; }
  .footer { flex-direction: column; gap: 10px; align-items: flex-start; }
  .topbar { padding-bottom: 12px; }
  .wordmark { height: 44px; }
  .bottom-rail { grid-template-columns: 1fr; gap: 14px; }
}