:root {
  --grafite: #141619;
  --grafite-2: #24272d;
  --ouro: #b8924f;
  --ouro-claro: #e1c17c;
  --papel: #ffffff;
  --fundo: #f5f5f7;
  --tinta: #1d1d1f;
  --fraca: #6e6e73;
  --borda: rgba(29, 29, 31, .11);
  --risco: #a4473e;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--tinta);
  background:
    radial-gradient(circle at 18% 8%, rgba(225, 193, 124, .24), transparent 26rem),
    radial-gradient(circle at 82% 88%, rgba(184, 146, 79, .14), transparent 30rem),
    linear-gradient(145deg, #202329 0%, #101215 58%, #08090b 100%);
  font: 14px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        "Helvetica Neue", Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

.login {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 32px 24px;
}

.cartao {
  width: min(100%, 438px);
  padding: 38px;
  overflow: hidden;
  position: relative;
  border: 1px solid rgba(255, 255, 255, .66);
  border-radius: 24px;
  background: rgba(255, 255, 255, .94);
  box-shadow: 0 32px 90px rgba(0, 0, 0, .36),
              inset 0 1px 0 rgba(255, 255, 255, .9);
  backdrop-filter: saturate(150%) blur(28px);
  -webkit-backdrop-filter: saturate(150%) blur(28px);
}

.cartao::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 4px;
  background: linear-gradient(90deg, #85652f 0%, var(--ouro-claro) 48%, #9e7739 100%);
}

.marca {
  display: flex;
  align-items: center;
  color: var(--grafite);
  font-size: 13px;
  font-weight: 650;
  letter-spacing: -.1px;
}

.marca span {
  width: 13px;
  height: 13px;
  margin-right: 11px;
  border-radius: 4px;
  background: linear-gradient(145deg, var(--ouro-claro), var(--ouro));
  box-shadow: 0 0 0 4px rgba(184, 146, 79, .10);
  transform: rotate(45deg);
}

.sobretitulo {
  margin: 42px 0 7px;
  color: #8b692e;
  font-size: 10.5px;
  font-weight: 750;
  letter-spacing: .14em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  color: var(--grafite);
  font-size: clamp(30px, 7vw, 38px);
  line-height: 1.08;
  font-weight: 680;
  letter-spacing: -1.25px;
}

.apoio {
  margin: 11px 0 26px;
  color: var(--fraca);
  font-size: 13px;
}

label {
  display: block;
  margin-top: 16px;
  color: #45464a;
  font-size: 11.5px;
  font-weight: 650;
}

input {
  width: 100%;
  min-height: 46px;
  margin-top: 7px;
  padding: 12px 14px;
  color: var(--tinta);
  border: 1px solid var(--borda);
  border-radius: 12px;
  background: #f6f6f7;
  font: inherit;
  transition: border-color .16s ease, box-shadow .16s ease,
              background .16s ease;
}

input:hover { border-color: rgba(29, 29, 31, .22); }

input:focus {
  outline: 0;
  border-color: var(--ouro);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(184, 146, 79, .14);
}

button {
  width: 100%;
  min-height: 48px;
  margin-top: 24px;
  padding: 12px;
  color: #fff;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(145deg, var(--grafite-2), #111316);
  box-shadow: 0 10px 24px rgba(15, 17, 20, .18);
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease,
              background .15s ease;
}

button:hover {
  background: linear-gradient(145deg, #30343a, #191b1f);
  box-shadow: 0 13px 28px rgba(15, 17, 20, .22);
  transform: translateY(-1px);
}

button:active { transform: translateY(0); }
button:disabled { cursor: wait; opacity: .62; transform: none; }

:focus-visible { outline: 2px solid var(--ouro); outline-offset: 3px; }

.erro { margin: 14px 0 0; color: var(--risco); font-size: 12px; }
.oculto { display: none; }
.nota { margin: 24px 0 0; color: var(--fraca); font-size: 10.5px; }

@media (max-width: 520px) {
  .login { padding: 16px; }
  .cartao { padding: 30px 23px; border-radius: 20px; }
  .sobretitulo { margin-top: 34px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; }
}