:root {
  --terracotta: #D97757;
  --sage: #8BA888;
  --sand: #E8DCC4;
  --clay: #A67C52;
  --charcoal: #2B2B2B;
  --warm-gray: #6B6560;
  --cream: #FBF7F0;
  --border: #EADFCB;
  --max-w: 760px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--cream);
  color: var(--charcoal);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--terracotta); text-decoration: none; }
a:hover { text-decoration: underline; }

/* ---------- NAV ---------- */
.nav {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 247, 240, 0.92);
  backdrop-filter: saturate(1.4) blur(10px);
  -webkit-backdrop-filter: saturate(1.4) blur(10px);
  border-bottom: 1px solid var(--border);
}

.nav-inner {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 18px;
  color: var(--charcoal);
  letter-spacing: -0.01em;
}

.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--terracotta);
  box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.18);
}

.nav-links {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
}

.nav-links a {
  color: var(--warm-gray);
  font-size: 14px;
  font-weight: 500;
  padding: 6px 12px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}

.nav-links a:hover {
  color: var(--charcoal);
  background: var(--sand);
  text-decoration: none;
}

.nav-links a.active {
  color: var(--charcoal);
  background: var(--sand);
}

/* ---------- LAYOUT ---------- */
main {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 48px 20px 80px;
}

h1 {
  font-size: 34px;
  letter-spacing: -0.02em;
  margin: 0 0 8px;
  line-height: 1.15;
}

h2 {
  font-size: 20px;
  letter-spacing: -0.01em;
  margin: 36px 0 8px;
}

.muted {
  color: var(--warm-gray);
  font-size: 14px;
  margin-top: 0;
}

p, ul { color: var(--charcoal); }
ul { padding-left: 22px; }
li { margin: 4px 0; }

hr {
  border: 0;
  border-top: 1px solid var(--border);
  margin: 32px 0;
}

/* ---------- HERO ---------- */
.hero {
  padding: 20px 0 8px;
}

.hero p.lead {
  font-size: 18px;
  color: var(--warm-gray);
  max-width: 560px;
}

.card-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-top: 28px;
}

.card {
  display: block;
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fff;
  transition: transform 0.12s ease, border-color 0.12s ease;
}

.card:hover {
  text-decoration: none;
  border-color: var(--clay);
  transform: translateY(-1px);
}

.card h3 {
  margin: 0 0 4px;
  font-size: 16px;
  color: var(--charcoal);
}

.card p {
  margin: 0;
  font-size: 14px;
  color: var(--warm-gray);
}

@media (max-width: 560px) {
  .card-row { grid-template-columns: 1fr; }
  h1 { font-size: 28px; }
}

/* ---------- FORM ---------- */
.form {
  max-width: 420px;
  margin-top: 24px;
}

.form label {
  display: block;
  font-size: 14px;
  font-weight: 500;
  color: var(--charcoal);
  margin: 14px 0 6px;
}

.form input {
  width: 100%;
  padding: 12px 14px;
  font-size: 15px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--charcoal);
  outline: none;
  transition: border-color 0.12s ease, box-shadow 0.12s ease;
}

.form input:focus {
  border-color: var(--terracotta);
  box-shadow: 0 0 0 3px rgba(217, 119, 87, 0.18);
}

.btn {
  margin-top: 20px;
  width: 100%;
  padding: 12px 16px;
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  background: var(--terracotta);
  border: 0;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.12s ease;
}

.btn:hover { background: #c66847; }
.btn:disabled { opacity: 0.6; cursor: not-allowed; }

.status {
  margin-top: 16px;
  padding: 12px 14px;
  border-radius: 10px;
  font-size: 14px;
  display: none;
}

.status.show { display: block; }
.status.ok { background: #EEF3EC; color: #3F5C3F; border: 1px solid #C9DAC5; }
.status.err { background: #FBEDE7; color: #8A3A20; border: 1px solid #F2CFC0; }

footer {
  max-width: var(--max-w);
  margin: 0 auto;
  padding: 24px 20px 40px;
  border-top: 1px solid var(--border);
  color: var(--warm-gray);
  font-size: 13px;
  text-align: center;
}