:root {
  --void: #090909;
  --ink: #f4f4f4;
  --mist: #8d8d8d;
  --line: rgba(244, 244, 244, 0.14);
  --fill: rgba(244, 244, 244, 0.04);
  --font-ui: "Inter", system-ui, sans-serif;
  --font-mark: "Fraunces", "Times New Roman", serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--void);
  color: var(--ink);
  font-family: var(--font-ui);
}

body {
  min-height: 100vh;
}

.veil {
  pointer-events: none;
  position: fixed;
  inset: 0;
  background:
    radial-gradient(ellipse at 70% 0%, rgba(255, 255, 255, 0.06), transparent 42%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), transparent 28%);
  animation: lift 1.4s ease forwards;
}

@keyframes lift {
  from { opacity: 0; }
  to { opacity: 1; }
}

.top {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 1.4rem 2.2rem;
}

.mark {
  font-family: var(--font-mark);
  font-size: 1.35rem;
  font-weight: 560;
  letter-spacing: -0.03em;
}

nav {
  display: flex;
  gap: 0.4rem;
}

nav button, .enter, .quiet, form button {
  font: inherit;
  color: var(--ink);
  background: transparent;
  border: 0;
  cursor: pointer;
}

nav button {
  color: var(--mist);
  padding: 0.35rem 0.2rem;
}

nav button.on {
  color: var(--ink);
  box-shadow: inset 0 -1px 0 var(--ink);
}

#who {
  margin-left: auto;
  color: var(--mist);
  font-size: 0.88rem;
}

#stage {
  position: relative;
  z-index: 1;
  padding: 6vh 2.2rem 4rem;
  max-width: 920px;
}

.threshold h1 {
  margin: 0;
  font-family: var(--font-mark);
  font-weight: 460;
  font-size: clamp(4.5rem, 12vw, 8.5rem);
  letter-spacing: -0.045em;
  line-height: 0.9;
}

.threshold p {
  max-width: 36rem;
  color: var(--mist);
  font-size: 1.05rem;
  line-height: 1.5;
}

.enter {
  display: inline-block;
  margin-top: 1.5rem;
  padding: 0.85rem 1.3rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--void);
  text-decoration: none;
  font-weight: 600;
}

.lead {
  color: var(--mist);
  max-width: 38rem;
  line-height: 1.5;
}

form {
  display: grid;
  gap: 0.8rem;
  max-width: 28rem;
  margin-top: 1.6rem;
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--mist);
  font-size: 0.82rem;
}

input {
  border: 0;
  border-bottom: 1px solid var(--line);
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-size: 1.05rem;
  padding: 0.55rem 0;
}

input:focus {
  outline: none;
  border-bottom-color: var(--ink);
}

form button, .quiet {
  justify-self: start;
  margin-top: 0.4rem;
  padding: 0.7rem 1.1rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--void);
  font-weight: 600;
}

.quiet {
  background: transparent;
  color: var(--mist);
  border: 1px solid var(--line);
}

.err {
  color: var(--ink);
  font-size: 0.9rem;
}

.rows {
  list-style: none;
  margin: 2rem 0 0;
  padding: 0;
}

.rows li {
  display: grid;
  grid-template-columns: 1.4fr 1fr auto auto;
  gap: 1rem;
  align-items: baseline;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line);
}

.rows strong { font-weight: 560; }

.rows span, .rows code {
  color: var(--mist);
  font-size: 0.92rem;
}

.rows code {
  font-family: inherit;
}

.dot {
  width: 0.45rem;
  height: 0.45rem;
  border-radius: 50%;
  background: var(--mist);
  justify-self: end;
}

.dot.up { background: var(--ink); }
.dot.down { background: #4a4a4a; }

.row-x {
  background: transparent;
  border: 0;
  color: var(--mist);
  cursor: pointer;
  font: inherit;
}

@media (max-width: 720px) {
  .top, #stage { padding-left: 1.2rem; padding-right: 1.2rem; }
  .rows li { grid-template-columns: 1fr auto; }
}

@media (prefers-reduced-motion: reduce) {
  .veil { animation: none; }
}