:root {
  --green-dark: #123024;
  --green: #1F6B4A;
  --green-tint: #EAF3EC;
  --gold: #C99A2E;
  --gold-light: #E6C368;
  --cream: #FBF8F1;
  --ink: #1B2420;
  --ink-soft: #4B564F;
  --danger: #B3261E;
  --danger-bg: #FBEAE9;
  --radius: 12px;
  --shadow: 0 4px 16px rgba(18, 48, 36, 0.08);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--cream);
  line-height: 1.5;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 0 20px;
}

h1, h2, h3 {
  color: var(--green-dark);
  margin: 0 0 12px;
}

/* Header */
.site-header {
  background: var(--green-dark);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 10;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  letter-spacing: 0.5px;
}
.logo span { color: var(--gold-light); }

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 24px;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  border: none;
  font-size: 16px;
  transition: transform 0.1s ease, box-shadow 0.1s ease;
}
.btn:active { transform: scale(0.98); }
.btn-primary {
  background: var(--gold);
  color: var(--green-dark);
}
.btn-primary:hover { background: var(--gold-light); }
.btn-ghost {
  background: transparent;
  color: #fff;
  border: 1.5px solid var(--gold-light);
  padding: 8px 18px;
  font-size: 14px;
}
.btn-block { width: 100%; text-align: center; }

/* Hero */
.hero {
  padding: 56px 0 48px;
  text-align: center;
}
.hero h1 {
  font-size: 34px;
  line-height: 1.2;
}
.hero-sub {
  color: var(--ink-soft);
  font-size: 17px;
  max-width: 480px;
  margin: 0 auto 28px;
}

/* Plans */
.plans {
  background: var(--green-tint);
  padding: 48px 0;
}
.plans h2, .signup h2 {
  text-align: center;
  font-size: 26px;
}
.plan-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 28px;
}
.plan-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 24px 20px;
  box-shadow: var(--shadow);
  border: 2px solid transparent;
  position: relative;
}
.plan-card.featured {
  border-color: var(--gold);
}
.badge {
  position: absolute;
  top: -12px;
  right: 16px;
  background: var(--gold);
  color: var(--green-dark);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
}
.plan-card h3 { font-size: 18px; }
.price {
  margin: 4px 0 8px;
}
.price .amount {
  font-size: 32px;
  font-weight: 800;
  color: var(--green);
}
.price .period {
  color: var(--ink-soft);
  font-size: 14px;
}
.plan-desc {
  color: var(--ink-soft);
  font-size: 14px;
  margin-bottom: 12px;
}
.plan-card ul {
  margin: 0;
  padding-left: 18px;
  font-size: 14px;
  color: var(--ink);
}
.plan-card li { margin-bottom: 4px; }
.extra-note {
  text-align: center;
  margin-top: 24px;
  color: var(--ink-soft);
  font-size: 15px;
}

/* Signup */
.signup { padding: 48px 0 64px; }
.signup-sub {
  text-align: center;
  color: var(--ink-soft);
  margin-bottom: 28px;
}

#signup-form {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
}

.field-group { margin-bottom: 18px; }
.field-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.field-row-3 { grid-template-columns: 1fr 1fr 1fr; }

label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--green-dark);
  margin-bottom: 6px;
}
.optional { font-weight: 400; color: var(--ink-soft); }

input[type=text], input[type=email], input[type=tel], input[type=number], select {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1.5px solid #D9D2C4;
  font-size: 16px;
  background: #fff;
  color: var(--ink);
}
input:focus, select:focus {
  outline: none;
  border-color: var(--green);
  box-shadow: 0 0 0 3px rgba(31, 107, 74, 0.15);
}

fieldset.plan-select {
  border: none;
  padding: 0;
  margin: 0 0 18px;
}
legend {
  font-size: 13px;
  font-weight: 600;
  color: var(--green-dark);
  margin-bottom: 6px;
  padding: 0;
}
.radio-card {
  display: flex;
  align-items: center;
  gap: 10px;
  border: 1.5px solid #D9D2C4;
  border-radius: 8px;
  padding: 12px 14px;
  margin-bottom: 8px;
  cursor: pointer;
}
.radio-card:has(input:checked) {
  border-color: var(--gold);
  background: #FCF6E8;
}
.radio-card input { accent-color: var(--green); }
.radio-card-label { font-size: 15px; font-weight: 500; }

.stepper {
  display: flex;
  align-items: center;
  gap: 10px;
}
.stepper-btn {
  width: 40px;
  height: 40px;
  border-radius: 8px;
  border: 1.5px solid #D9D2C4;
  background: var(--green-tint);
  color: var(--green-dark);
  font-size: 20px;
  cursor: pointer;
}
.stepper input {
  text-align: center;
  max-width: 70px;
}

.summary {
  background: var(--green-tint);
  border-radius: 8px;
  padding: 16px;
  margin-bottom: 20px;
}
.summary-row {
  display: flex;
  justify-content: space-between;
  font-size: 14px;
  color: var(--ink-soft);
  margin-bottom: 6px;
}
.summary-total {
  font-size: 17px;
  font-weight: 700;
  color: var(--green-dark);
  margin-bottom: 0;
  padding-top: 8px;
  border-top: 1px solid #D3E3D8;
}

.form-errors {
  background: var(--danger-bg);
  color: var(--danger);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 14px;
  margin-bottom: 18px;
}
.form-errors ul { margin: 0; padding-left: 18px; }

.success-message {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  box-shadow: var(--shadow);
  text-align: center;
}
.success-message h3 { color: var(--green); }

/* Footer */
.site-footer {
  background: var(--green-dark);
  color: #cfe0d6;
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
}

@media (max-width: 560px) {
  .plan-cards { grid-template-columns: 1fr; }
  .field-row-3 { grid-template-columns: 1fr; }
  .field-row { grid-template-columns: 1fr; }
  .hero h1 { font-size: 28px; }
}