:root {
  color-scheme: light;
  font-family: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #25251f;
  background: #f8f7f0;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 18% 16%, rgba(255, 255, 255, .95) 0 8rem, transparent 19rem),
    radial-gradient(circle at 84% 30%, rgba(255, 255, 255, .8) 0 10rem, transparent 24rem),
    repeating-linear-gradient(0deg, rgba(75, 69, 48, .025) 0 1px, transparent 1px 4px),
    #f4f2e8;
}

.access-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
}

.access-card {
  width: min(100%, 35rem);
  padding: clamp(2rem, 6vw, 3.5rem);
  border: 1px solid rgba(61, 57, 42, .16);
  border-radius: 1.4rem;
  background: rgba(255, 255, 252, .9);
  box-shadow: 0 1.5rem 5rem rgba(48, 45, 32, .13);
  backdrop-filter: blur(12px);
}

.eyebrow {
  margin: 0 0 .75rem;
  color: #817a5c;
  font-size: .75rem;
  font-weight: 750;
  letter-spacing: .13em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-family: Georgia, "Times New Roman", serif;
  font-size: clamp(2rem, 8vw, 3.3rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -.035em;
}

.intro {
  margin: 1.25rem 0 2rem;
  color: #615e50;
  font-size: 1rem;
  line-height: 1.65;
}

label {
  display: block;
  margin-bottom: .55rem;
  font-size: .82rem;
  font-weight: 720;
}

.key-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: .65rem;
}

input,
button {
  min-height: 3.2rem;
  border-radius: .8rem;
  font: inherit;
}

input {
  width: 100%;
  border: 1px solid #c9c4ae;
  padding: 0 1rem;
  color: #24231e;
  background: #fff;
  outline: none;
}

input:focus {
  border-color: #746b42;
  box-shadow: 0 0 0 3px rgba(116, 107, 66, .16);
}

button {
  border: 0;
  padding: 0 1.35rem;
  color: #fff;
  background: #302f28;
  cursor: pointer;
  font-weight: 720;
}

button:hover { background: #171713; }
button:disabled { cursor: wait; opacity: .65; }

.error {
  min-height: 1.35rem;
  margin: .7rem 0 0;
  color: #a3332c;
  font-size: .86rem;
}

.privacy-note {
  margin: 1.25rem 0 0;
  color: #7a7667;
  font-size: .78rem;
  line-height: 1.55;
}

@media (max-width: 34rem) {
  .key-row { grid-template-columns: 1fr; }
  button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; }
}