:root {
  color-scheme: light;
  font-family: Georgia, "Times New Roman", serif;
  background: #29211d;
  color: #29211d;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 15%, rgba(176, 119, 70, .2), transparent 34%),
    linear-gradient(145deg, #211a17 0%, #3a2b24 54%, #171210 100%);
}

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

.card {
  width: min(100%, 430px);
  padding: 48px 44px 44px;
  background: #f8f3e9;
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 4px;
  box-shadow: 0 30px 90px rgba(0, 0, 0, .42);
}

.brand-mark {
  width: 52px;
  height: 52px;
  display: grid;
  place-items: center;
  margin-bottom: 28px;
  border: 1px solid #a76c3f;
  border-radius: 50%;
  color: #7c4928;
  font-size: 16px;
  letter-spacing: .14em;
}

.eyebrow {
  margin: 0 0 10px;
  color: #8d5b36;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 7vw, 46px);
  font-weight: 400;
  letter-spacing: -.035em;
}

.intro {
  margin: 13px 0 34px;
  color: #665a52;
  font-family: Arial, Helvetica, sans-serif;
  font-size: 14px;
  line-height: 1.55;
}

form { display: grid; gap: 12px; }

label {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  text-transform: uppercase;
}

input {
  width: 100%;
  min-height: 48px;
  padding: 11px 13px;
  border: 1px solid #bdb1a6;
  border-radius: 2px;
  background: #fffdf8;
  color: #29211d;
  font: 16px Arial, Helvetica, sans-serif;
}

input:focus {
  border-color: #7c4928;
  outline: 3px solid rgba(124, 73, 40, .16);
}

button {
  min-height: 49px;
  margin-top: 5px;
  border: 1px solid #29211d;
  border-radius: 2px;
  background: #29211d;
  color: #fffdf8;
  cursor: pointer;
  font: 700 12px Arial, Helvetica, sans-serif;
  letter-spacing: .13em;
  text-transform: uppercase;
}

button:hover { background: #7c4928; border-color: #7c4928; }

.error {
  margin: 0 0 4px;
  padding: 10px 12px;
  border-left: 3px solid #a33b2f;
  background: #f5dfda;
  color: #74271f;
  font: 13px/1.4 Arial, Helvetica, sans-serif;
}

@media (max-width: 520px) {
  .card { padding: 38px 28px 34px; }
}