/* ------------------------------------------------------------------ base */

:root {
  --bg:        #f6f5f2;
  --surface:   #ffffff;
  --ink:       #1c1f23;
  --ink-soft:  #5b6167;
  --line:      #e0dedb;
  --accent:    #1f5f4f;
  --accent-in: #ffffff;
  --focus:     #2b7f6a;
  --danger:    #a3372c;
  --danger-bg: #fbeceb;
  --radius:    10px;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg:        #14171a;
    --surface:   #1c2024;
    --ink:       #e9eaec;
    --ink-soft:  #a0a7ad;
    --line:      #2e343a;
    --accent:    #4fbf9f;
    --accent-in: #10221d;
    --focus:     #6fd4b6;
    --danger:    #f3908a;
    --danger-bg: #34211f;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 20px 64px;
}

/* -------------------------------------------------------------- masthead */

.masthead { margin-bottom: 28px; }

.eyebrow {
  margin: 0 0 10px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.09em;
  text-transform: uppercase;
  color: var(--accent);
}

.masthead h1 {
  margin: 0 0 8px;
  font-size: clamp(28px, 6vw, 40px);
  line-height: 1.15;
  letter-spacing: -0.02em;
}

.lede {
  margin: 0;
  max-width: 46ch;
  color: var(--ink-soft);
  font-size: 17px;
}

/* ------------------------------------------------------------------ card */

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 8px 26px 26px;
}

fieldset {
  margin: 0;
  padding: 22px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
}

fieldset:last-of-type { border-bottom: 0; }

legend {
  padding: 0;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.07em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

/* ---------------------------------------------------------------- fields */

.field { margin-top: 18px; }

label, .label {
  display: block;
  margin-bottom: 6px;
  font-size: 14px;
  font-weight: 600;
}

.req { color: var(--danger); font-weight: 400; }

input[type="text"],
input[type="email"],
input[type="tel"],
select,
textarea {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--bg);
  color: var(--ink);
  font: inherit;
}

textarea { resize: vertical; min-height: 110px; }

select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--ink-soft) 50%),
                    linear-gradient(135deg, var(--ink-soft) 50%, transparent 50%);
  background-position: calc(100% - 19px) calc(50% + 2px), calc(100% - 14px) calc(50% + 2px);
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
  padding-right: 36px;
}

input:focus-visible,
select:focus-visible,
textarea:focus-visible,
button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

[aria-invalid="true"] { border-color: var(--danger); }

.hint {
  margin: 6px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}

.err {
  margin: 6px 0 0;
  font-size: 13px;
  font-weight: 600;
  color: var(--danger);
}

.prefixed { position: relative; }

.prefixed span {
  position: absolute;
  left: 12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--ink-soft);
  pointer-events: none;
}

.prefixed input { padding-left: 26px; }

/* ------------------------------------------------- address autocomplete */

.opt {
  font-weight: 400;
  font-size: 13px;
  color: var(--ink-soft);
}

.combo { position: relative; }

.combo-list {
  position: absolute;
  z-index: 20;
  top: calc(100% + 4px);
  left: 0;
  right: 0;
  max-height: 260px;
  margin: 0;
  padding: 4px;
  overflow-y: auto;
  list-style: none;
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 8px;
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.14);
}

.combo-option {
  padding: 9px 11px;
  border-radius: 6px;
  font-size: 14.5px;
  line-height: 1.4;
  cursor: pointer;
}

.combo-option:hover,
.combo-option.is-active {
  background: var(--accent);
  color: var(--accent-in);
}

.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ------------------------------------------------------------ row layout */

.row { display: grid; gap: 18px; grid-template-columns: 1fr 1fr; }
.row .field { margin-top: 18px; }
.row.three { grid-template-columns: repeat(3, 1fr); }

@media (max-width: 560px) {
  .row, .row.three { grid-template-columns: 1fr; gap: 0; }
}

/* --------------------------------------------------- checkboxes / chips */

.grid-checks {
  display: grid;
  gap: 8px 16px;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
}

.check, .chip {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  font-weight: 400;
  cursor: pointer;
}

.check input, .chip input {
  width: 18px;
  height: 18px;
  margin: 0;
  accent-color: var(--accent);
  flex: none;
}

.check.standalone { margin-top: 4px; }

.chips { display: flex; flex-wrap: wrap; gap: 10px 22px; }

/* --------------------------------------------------------------- actions */

.actions { padding-top: 24px; }

.btn {
  display: inline-block;
  padding: 13px 26px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-in);
  font: inherit;
  font-weight: 650;
  cursor: pointer;
}

.btn:hover { filter: brightness(1.08); }

.btn-secondary {
  display: inline-block;
  margin-top: 6px;
  padding: 11px 20px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--ink);
  text-decoration: none;
  font-weight: 600;
}

.btn-secondary:hover { border-color: var(--accent); }

.fineprint {
  margin: 14px 0 0;
  font-size: 13px;
  color: var(--ink-soft);
}

/* ------------------------------------------------------- alerts / thanks */

.alert {
  margin: 0 0 18px;
  padding: 13px 16px;
  border: 1px solid var(--danger);
  border-radius: 8px;
  background: var(--danger-bg);
  color: var(--danger);
  font-weight: 600;
}

.thanks { padding: 32px 26px; }
.thanks h2 { margin: 0 0 12px; font-size: 24px; }
.thanks p { margin: 0 0 14px; }
.muted { color: var(--ink-soft); }

/* ---------------------------------------------------------------- honeypot */

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

/* ------------------------------------------------------------------ foot */

.foot {
  margin-top: 28px;
  font-size: 13px;
  color: var(--ink-soft);
  text-align: center;
}

.foot p { margin: 0; }