:root {
  --fg: #1a1a1a;
  --fg-muted: #555;
  --fg-soft: #7a8595;
  --bg: #fff;
  --bg-page: #eef3f7;
  --accent: #1f2c4a;
  --accent-fg: #fff;
  --error: #b00020;
  --success: #1f7a1f;
  --border: #d4dce4;
  --bg-soft: #f6f8fb;
  --card-shadow: 0 10px 28px rgba(20, 40, 80, 0.12);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, system-ui, sans-serif;
  font-size: 16px;
  line-height: 1.5;
  color: var(--fg);
  background: var(--bg-page);
  min-height: 100%;
}

body {
  background: linear-gradient(135deg, #d9e4ee 0%, #eef3f7 60%, #e3eaf0 100%);
  min-height: 100vh;
}

main {
  max-width: 460px;
  margin: 0 auto;
  padding: 2rem 1rem 3rem;
}

.card {
  background: var(--bg);
  border-radius: 14px;
  box-shadow: var(--card-shadow);
  padding: 1.75rem 1.5rem 1.5rem;
}

.card-header {
  text-align: center;
  margin-bottom: 1.5rem;
}
.card-header h1 {
  margin: 0;
  font-size: 1.55rem;
  font-weight: 700;
  color: var(--accent);
  letter-spacing: -0.01em;
}
.card-header .lead {
  margin: 0.35rem 0 0;
  color: var(--fg-soft);
  font-size: 0.95rem;
  font-weight: 400;
}

form .field { margin-bottom: 1rem; }

label {
  display: block;
  margin-bottom: 0.35rem;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--fg);
}

.input-with-icon {
  position: relative;
  display: flex;
  align-items: center;
}
.input-icon {
  position: absolute;
  left: 0.85rem;
  width: 1.05rem;
  height: 1.05rem;
  color: var(--fg-soft);
  pointer-events: none;
}

input[type="text"], input[type="email"], input[type="tel"] {
  width: 100%;
  padding: 0.7rem 0.8rem 0.7rem 2.4rem;
  font-size: 0.98rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--fg);
  -webkit-appearance: none;
  appearance: none;
  transition: border-color 0.15s, box-shadow 0.15s;
}
input::placeholder { color: #a4adba; }

input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(31, 44, 74, 0.12);
}

.consent { margin-top: 1.1rem; margin-bottom: 1.25rem; }
.consent .checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.6rem;
  font-weight: 400;
  cursor: pointer;
  font-size: 0.85rem;
  color: var(--fg-muted);
  line-height: 1.45;
}
.consent .checkbox input {
  margin-top: 0.15rem;
  width: 1.05rem;
  height: 1.05rem;
  flex-shrink: 0;
  accent-color: var(--accent);
}

.hp {
  position: absolute;
  left: -9999px;
  top: auto;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

button[type="submit"] {
  width: 100%;
  padding: 0.85rem;
  font-size: 0.98rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  background: var(--accent);
  color: var(--accent-fg);
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  transition: filter 0.15s;
}
button[type="submit"]:disabled {
  opacity: 0.6;
  cursor: progress;
}
button[type="submit"]:hover:not(:disabled) { filter: brightness(1.1); }

#status {
  margin-top: 0.85rem;
  padding: 0.7rem 0.85rem;
  border-radius: 8px;
  display: none;
  font-size: 0.9rem;
}
#status.pending {
  display: block;
  background: var(--bg-soft);
  color: var(--fg-muted);
  border: 1px solid var(--border);
}
#status.ok {
  display: block;
  background: #e6f4e6;
  color: var(--success);
  border: 1px solid #b6dfb6;
}
#status.err {
  display: block;
  background: #fbe9eb;
  color: var(--error);
  border: 1px solid #f0c0c5;
}

.card-footer {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: flex-end;
  gap: 1rem;
  font-size: 0.85rem;
}
.card-footer a {
  color: var(--accent);
  text-decoration: none;
}
.card-footer a:hover { text-decoration: underline; }

/* Policy pages (privacy.html, terms.html) use a wider, document-style layout. */
.doc-page main {
  max-width: 720px;
  padding-top: 2.5rem;
}
.doc-page .card { padding: 2rem 1.75rem; }
.doc-page h1 {
  color: var(--accent);
  margin-top: 0;
  font-size: 1.6rem;
}
.doc-page h2 {
  color: var(--accent);
  font-size: 1.15rem;
  margin-top: 1.75rem;
  margin-bottom: 0.5rem;
}
.doc-page p { color: var(--fg); }
.doc-page a { color: var(--accent); }
.doc-page .back-link { display: inline-block; margin-top: 1.25rem; font-size: 0.9rem; }

@media (min-width: 560px) {
  main { padding-top: 3rem; }
  .card { padding: 2rem 2rem 1.75rem; }
  .card-header h1 { font-size: 1.75rem; }
}