:root {
  --bg: #f7f9fc;
  --surface: #ffffff;
  --surface-2: #f2f5fb;
  --text: #0f172a;
  --muted: #4b5563;
  --primary: #8a6a00; /* deep gold base */
  --primary-acc: #f59e0b; /* amber accent */
  --danger: #b91c1c;
  --ok: #16a34a;
  --focus: #2563eb33;
  --border: #e5e7eb;
}

* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  width: 100%;
  max-width: 880px;
  margin: 0 auto;
  padding: 0 16px;
}

.site-header {
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.brand { display: flex; align-items: center; gap: 12px; }
.logo { width: 40px; height: 40px; border-radius: 8px; background: linear-gradient(135deg, #fde68a, var(--primary-acc)); box-shadow: inset 0 0 0 2px rgba(0,0,0,.05); }
.brand-text h1 { margin: 0; font-size: 1.25rem; }
.sub { color: var(--muted); margin: 0; font-size: 0.9rem; }
.nav a { color: var(--muted); text-decoration: none; margin-left: 16px; }
.nav a:hover { color: var(--primary-acc); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  box-shadow: 0 6px 20px rgba(15, 23, 42, 0.06);
}

.card-title {
  margin: 0 0 16px;
}

.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

/* Mobile responsive */
@media (max-width: 768px) {
  .container { padding: 0 12px; }
  .header-inner { flex-direction: column; gap: 12px; text-align: center; }
  .nav { margin-top: 8px; }
  .nav a { margin: 0 8px; }
  .hero-compact { padding: 12px 0; }
  .stepper { justify-content: center; flex-wrap: wrap; }
  .step { font-size: 0.8rem; padding: 6px 10px; }
  .narrow { max-width: 100%; }
  .card { padding: 16px; border-radius: 12px; }
  .inline { grid-template-columns: 1fr; gap: 12px; }
  .actions { flex-direction: column; }
  .btn-primary, .btn-secondary { width: 100%; }
}

@media (min-width: 720px) {
  .grid { grid-template-columns: 1fr; }
}

.field label {
  display: block;
  font-weight: 600;
  margin-bottom: 8px;
}

input, textarea, button {
  font: inherit;
}

input, textarea {
  width: 100%;
  padding: 12px 12px;
  color: var(--text);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 10px;
  outline: none;
  transition: border-color .15s ease, box-shadow .15s ease;
}

input::placeholder, textarea::placeholder { color: #9ca3af; }

input:focus, textarea:focus {
  border-color: var(--primary-acc);
  box-shadow: 0 0 0 4px var(--focus);
}

.inline {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.error {
  color: var(--danger);
  margin: 6px 0 0;
  font-size: 0.9rem;
  min-height: 1.1em;
}

.hint {
  color: var(--muted);
  margin: 6px 0 0;
  font-size: 0.9rem;
}

.actions {
  display: flex;
  gap: 12px;
  margin-top: 12px;
}

.btn-primary, .btn-secondary {
  padding: 12px 16px;
  border-radius: 10px;
  border: 1px solid transparent;
  cursor: pointer;
  font-weight: 600;
}

.btn-primary {
  background: linear-gradient(180deg, #fbbf24, #f59e0b);
  color: #3b2f08;
}

.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; }

.btn-secondary {
  background: transparent;
  color: var(--text);
  border-color: var(--border);
}

.notice {
  margin-top: 16px;
  min-height: 1.2em;
}

.notice.ok { color: var(--ok); }
.notice.err { color: var(--danger); }

.info {
  color: var(--muted);
  margin: 18px 0 32px;
}

.site-footer { padding: 24px 0 40px; color: var(--muted); border-top: 1px solid var(--border); background: var(--surface); }

/* Hero */
.hero { background: linear-gradient(180deg, var(--surface), var(--surface-2)); border-bottom: 1px solid var(--border); }
.hero-compact { padding: 16px 0; }
.stepper { display: flex; align-items: center; gap: 12px; }
.step { padding: 8px 12px; border-radius: 999px; background: #fff7ed; color: #92400e; font-weight: 600; font-size: 0.9rem; border: 1px solid var(--border); }
.step.active { background: #fffbeb; color: #78350f; border-color: #f59e0b; }

/* Layout */
.layout { display: block; }
.narrow { max-width: 720px; }
.footer-inner.center { display: flex; align-items: center; justify-content: center; }

.form-card { }
.section-sep { border: 0; height: 1px; background: var(--border); margin: 8px 0 0; }
.section-title { margin: 8px 0 0; font-size: 1.1rem; }