:root {
  --green: #70A742;
  --deep: #097A3D;
  --ink: #000000;
  --muted: #6B7280;
  --fine: #AAAAAA;
  --rule: #D5D5D5;
  --panel: #F4F8F0;
  --error: #B42318;
}

* { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: #F5F6F4;
  color: var(--ink);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 16px;
  line-height: 1.45;
}

.site-header, .card, .site-footer {
  max-width: 560px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 16px;
  padding-right: 16px;
}

.site-header { padding-top: 28px; padding-bottom: 16px; }
.brand { font-size: 30px; font-weight: bold; letter-spacing: -0.5px; line-height: 1; }
.brand .ex { color: var(--green); }
.brand .eco { color: var(--deep); }
.tagline { color: var(--muted); font-size: 13px; margin-top: 6px; }

.card {
  background: #FFFFFF;
  border-top: 4px solid var(--green);
  border-radius: 6px;
  padding-top: 24px;
  padding-bottom: 28px;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
}
@media (min-width: 600px) {
  .card { padding-left: 32px; padding-right: 32px; }
}

h1 { color: var(--deep); font-size: 22px; line-height: 1.25; margin: 0 0 16px; }
p { margin: 0 0 14px; }
.lead { margin-bottom: 8px; }

.date {
  background: var(--panel);
  border-left: 4px solid var(--green);
  font-size: 19px;
  font-weight: bold;
  padding: 14px 16px;
  margin-bottom: 18px;
}

.note { color: var(--muted); font-size: 14px; }

.error {
  color: var(--error);
  background: #FEF3F2;
  border-left: 4px solid var(--error);
  padding: 10px 14px;
  font-size: 15px;
}

fieldset { border: 0; margin: 0 0 18px; padding: 0; min-width: 0; }
legend { font-weight: bold; margin-bottom: 10px; padding: 0; }

.choice {
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--rule);
  border-radius: 6px;
  padding: 14px 16px;
  margin-bottom: 10px;
  cursor: pointer;
}
.choice input { width: 20px; height: 20px; margin: 0; accent-color: var(--green); flex: none; }
.choice:has(input:checked) { border-color: var(--green); background: var(--panel); }

.row { display: flex; gap: 12px; flex-wrap: wrap; }
.row label { flex: 1 1 160px; font-size: 14px; color: var(--muted); }

input[type="date"], input[type="time"], textarea {
  display: block;
  width: 100%;
  margin-top: 6px;
  font: inherit;
  color: var(--ink);
  background: #FFFFFF;
  border: 1px solid #BFC5BB;
  border-radius: 6px;
  padding: 11px 12px;
  min-height: 46px;
}
textarea { resize: vertical; min-height: 96px; }
input:focus, textarea:focus, .btn:focus-visible, a:focus-visible {
  outline: 3px solid rgba(112, 167, 66, 0.45);
  outline-offset: 2px;
}
.note-label { display: block; font-weight: bold; margin-bottom: 2px; }

.propose { margin-bottom: 20px; }

/* Show the propose fields only when that option is picked. Browsers without
   :has() simply show them all the time, which still works. */
@supports selector(:has(*)) {
  .propose:not(.always) { display: none; }
  form:has(#opt-propose:checked) .propose { display: block; }
}

.btn {
  display: block;
  width: 100%;
  border: 0;
  border-radius: 999px;
  background: var(--green);
  color: #FFFFFF;
  font: inherit;
  font-weight: bold;
  font-size: 17px;
  padding: 14px 20px;
  min-height: 50px;
  cursor: pointer;
}
.btn:hover { background: #5E9135; }
@media (min-width: 600px) {
  .btn { width: auto; min-width: 220px; margin: 0 auto; }
}

.switch { text-align: center; margin: 18px 0 0; font-size: 15px; }
a { color: var(--deep); }

.contact { color: var(--muted); font-size: 14px; border-top: 1px solid var(--rule); padding-top: 14px; margin-top: 18px; }

.site-footer { padding-top: 18px; padding-bottom: 32px; text-align: center; }
.slogan { font-style: italic; font-size: 14px; margin: 0; }
.slogan .s1 { color: var(--deep); }
.slogan .s2 { color: var(--green); }