:root {
  color-scheme: light;
  --bg: #f3ede2;
  --paper: #fffaf2;
  --ink: #26211b;
  --muted: #b1766a;
  --line: #d7c4ab;
  --accent: #b97062;
  --accent-strong: #b97062;
  --shadow: 0 18px 50px rgba(67, 45, 24, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  background:
    radial-gradient(circle at top left, rgba(176, 126, 71, 0.14), transparent 32%),
    linear-gradient(180deg, #efe4d3, var(--bg));
  color: var(--ink);
}

.page {
  width: min(760px, 100%);
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.hero {
  padding: 24px;
  border: 1px solid rgba(109, 60, 18, 0.15);
  border-radius: 24px;
  background: rgba(255, 250, 242, 0.84);
  box-shadow: var(--shadow);
  backdrop-filter: blur(10px);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-size: clamp(32px, 8vw, 48px);
  line-height: 0.95;
}

.lead {
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.5;
}

.form {
  display: grid;
  gap: 14px;
  margin-top: 20px;
  padding: 24px;
  border-radius: 24px;
  background: var(--paper);
  box-shadow: var(--shadow);
}

.form-alert {
  padding: 14px 16px;
  border: 1px solid #d28b7d;
  border-radius: 16px;
  background: #fff1ed;
  color: #8a3d2f;
  line-height: 1.45;
}

.form-alert[hidden] {
  display: none;
}

.field,
.checkbox {
  display: grid;
  gap: 8px;
}

.field span,
.checkbox span {
  font-size: 14px;
  color: var(--muted);
}

input,
textarea,
button {
  font: inherit;
}

input,
textarea {
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
  color: var(--ink);
}

input.invalid,
textarea.invalid {
  border-color: #c65846;
  background: #fff7f4;
  box-shadow: 0 0 0 3px rgba(198, 88, 70, 0.12);
}

textarea {
  resize: vertical;
}

.checkbox {
  grid-template-columns: auto 1fr;
  align-items: flex-start;
  column-gap: 16px;
  padding: 4px 0 8px;
}

.checkbox input {
  width: 24px;
  min-width: 24px;
  height: 24px;
  margin: 2px 0 0;
  padding: 0;
  border-radius: 6px;
}

.checkbox-text {
  display: block;
  line-height: 1.45;
  padding-top: 1px;
}

.actions {
  display: grid;
  gap: 10px;
  margin-top: 4px;
}

.submit {
  padding: 16px 18px;
  border-radius: 999px;
  font-weight: 700;
  cursor: pointer;
}

.submit {
  border: 0;
  background: linear-gradient(135deg, var(--accent), var(--accent-strong));
  color: #fffdf8;
}

.submit:disabled {
  opacity: 0.6;
  cursor: wait;
}

.loading-overlay {
  position: fixed;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 20px;
  background: rgba(38, 33, 27, 0.38);
  backdrop-filter: blur(4px);
  z-index: 1000;
}

.loading-overlay[hidden] {
  display: none;
}

.loading-card {
  display: grid;
  justify-items: center;
  gap: 14px;
  width: min(280px, 100%);
  padding: 24px 20px;
  border: 1px solid rgba(109, 60, 18, 0.15);
  border-radius: 24px;
  background: rgba(255, 250, 242, 0.98);
  box-shadow: var(--shadow);
  text-align: center;
}

.loading-card p {
  margin: 0;
  color: var(--ink);
  line-height: 1.4;
}

.spinner {
  width: 42px;
  height: 42px;
  border: 3px solid rgba(143, 90, 42, 0.18);
  border-top-color: var(--accent-strong);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}