:root {
  --papel: #F5F2EB;
  --branco: #FFFFFF;
  --tinta: #0E0F12;
  --grafite: #2A2C31;
  --cinza: #6B6E75;
  --linha: #C9C6BE;
  --cobalto: #2D3FE0;
  --lima: #D7F24A;
  --erro: #B3261E;
  --f-serif: "Instrument Serif", "Iowan Old Style", Georgia, serif;
  --f-sans: "Geist", ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
  --f-mono: "Geist Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;
}

* { box-sizing: border-box; }

html, body { margin: 0; min-height: 100%; }

body {
  background: var(--tinta);
  color: var(--papel);
  font-family: var(--f-sans);
  -webkit-font-smoothing: antialiased;
}

#dots {
  position: fixed;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .9;
}

.page {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  gap: 32px;
  padding: clamp(24px, 4vw, 48px) clamp(16px, 6vw, 88px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -.01em;
}

.brand svg { width: 30px; height: 30px; }

.stage {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 400px);
  align-items: center;
  gap: clamp(32px, 6vw, 96px);
  width: 100%;
  max-width: 1240px;
  margin-inline: auto;
}

.hero { transform: translate(var(--px, 0), var(--py, 0)); }

.eyebrow,
.foot {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 13px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: #A9ACB3;
}

.foot { text-transform: none; letter-spacing: .02em; }

h1 {
  margin: 18px 0 0;
  max-width: 13ch;
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: clamp(44px, 7vw, 92px);
  line-height: 1;
  letter-spacing: -.01em;
  text-wrap: balance;
}

h1 em { font-style: italic; color: var(--lima); }

.card {
  display: grid;
  gap: 16px;
  padding: clamp(24px, 3vw, 36px);
  background: var(--papel);
  color: var(--tinta);
  border-radius: 8px;
  animation: rise .5s ease-out both;
}

h2 {
  margin: 0 0 4px;
  font-family: var(--f-serif);
  font-weight: 400;
  font-size: 36px;
  line-height: 1.1;
}

.hint {
  margin: 0;
  font-size: 15px;
  line-height: 1.4;
  color: var(--grafite);
}

.error {
  margin: 0;
  font-size: 14px;
  line-height: 1.4;
  color: var(--erro);
}

.error[hidden] { display: none; }

.signin {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 48px;
  margin-top: 4px;
  padding: 10px 16px;
  background: var(--cobalto);
  color: var(--branco);
  border-radius: 6px;
  font: 600 16px var(--f-sans);
  text-decoration: none;
  transition: background-color .15s ease;
}

.signin svg {
  flex: none;
  width: 22px;
  height: 22px;
  padding: 3px;
  background: var(--branco);
  border-radius: 3px;
}

.signin:hover { background: var(--tinta); }

.signin:focus-visible {
  outline: 2px solid var(--cobalto);
  outline-offset: 2px;
}

@keyframes rise {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: none; }
}

@media (max-width: 820px) {
  .stage {
    grid-template-columns: minmax(0, 1fr);
    align-content: center;
    gap: 28px;
  }

  h1 { font-size: clamp(40px, 12vw, 64px); }
}

@media (prefers-reduced-motion: reduce) {
  .card { animation: none; }
  .signin { transition: none; }
  .hero { transform: none; }
}