:root {
  --gov-navy: #0b2e63;
  --gov-blue: #1a5fd6;
  --gov-blue-dark: #0f4bb0;
  --gov-blue-50: #eef4fd;
  --ink: #1b1d21;
  --ink-soft: #4a4f57;
  --line: #dfe3e8;
  --line-soft: #eceff2;
  --bg: #f4f6f9;
  --white: #fff;
  --good: #1b7f4b;
  --warn: #b3261e;
  --radius: 10px;
  --shadow: 0 1px 3px rgba(16, 24, 40, 0.06), 0 1px 2px rgba(16, 24, 40, 0.04);
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: 'Pretendard', 'Noto Sans KR', -apple-system, BlinkMacSystemFont,
    'Segoe UI', Roboto, 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--gov-blue-dark); }

/* ── Top utility bar ── */
.gov-topbar {
  background: var(--gov-navy);
  color: #cdd9ec;
  font-size: 12.5px;
}
.gov-topbar .inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 7px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.gov-topbar .official { display: flex; align-items: center; gap: 6px; }
.gov-topbar .official::before {
  content: '';
  width: 12px; height: 12px;
  background: #cdd9ec;
  -webkit-mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2 4 6v6c0 5 3.5 8.5 8 10 4.5-1.5 8-5 8-10V6l-8-4z'/%3E%3C/svg%3E") center/contain no-repeat;
  mask: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M12 2 4 6v6c0 5 3.5 8.5 8 10 4.5-1.5 8-5 8-10V6l-8-4z'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ── Masthead ── */
.gov-header { background: var(--white); border-bottom: 1px solid var(--line); }
.gov-header .inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 18px 20px;
  display: flex;
  align-items: center;
  gap: 14px;
}
.gov-logo-img {
  height: 50px;
  width: auto;
  flex: none;
  padding-right: 14px;
  border-right: 1px solid var(--line);
}
.gov-brand .org { font-size: 12.5px; color: var(--ink-soft); font-weight: 600; }
.gov-brand .svc { font-size: 18px; font-weight: 700; letter-spacing: -0.4px; }

/* ── Layout ── */
.wrap { max-width: 880px; margin: 0 auto; padding: 28px 20px 64px; }

.hero {
  background: linear-gradient(180deg, #fff, var(--gov-blue-50));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 26px 26px 22px;
  box-shadow: var(--shadow);
}
.hero h1 {
  margin: 0 0 8px;
  font-size: 23px;
  letter-spacing: -0.6px;
  line-height: 1.35;
}
.hero p { margin: 0; color: var(--ink-soft); font-size: 14.5px; }
.hero p.intro { line-height: 1.7; }
.hero p.intro strong { color: var(--gov-navy); font-weight: 700; }
.hero .meta {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.chip {
  font-size: 12.5px;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--ink-soft);
  border-radius: 999px;
  padding: 4px 11px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.chip strong { color: var(--gov-blue-dark); font-weight: 700; }

/* ── Progress ── */
.progress-bar {
  position: sticky;
  top: 0;
  z-index: 5;
  background: rgba(244, 246, 249, 0.92);
  backdrop-filter: blur(6px);
  padding: 12px 0 6px;
  margin: 22px 0 4px;
}
.progress-track {
  height: 6px;
  background: var(--line);
  border-radius: 999px;
  overflow: hidden;
}
.progress-fill {
  height: 100%;
  width: 0%;
  background: var(--gov-blue);
  border-radius: 999px;
  transition: width 0.35s ease;
}
.progress-label {
  font-size: 12.5px;
  color: var(--ink-soft);
  margin-top: 6px;
  text-align: right;
}

/* ── Section ── */
.section { margin-top: 22px; }
.section-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
}
.section-head .no {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: var(--gov-navy);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: grid;
  place-items: center;
  flex: none;
}
.section-head h2 { margin: 0; font-size: 16.5px; letter-spacing: -0.3px; }

/* ── Question card ── */
.card {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px 22px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}
.q-tag {
  display: inline-block;
  font-size: 11.5px;
  font-weight: 700;
  color: var(--gov-blue-dark);
  background: var(--gov-blue-50);
  border-radius: 5px;
  padding: 2px 8px;
  margin-bottom: 10px;
}
.q-label {
  font-size: 15.5px;
  font-weight: 600;
  letter-spacing: -0.3px;
  margin-bottom: 14px;
}
.q-label .req { color: var(--warn); margin-left: 4px; font-weight: 700; }

/* options */
.opt {
  display: flex;
  align-items: flex-start;
  gap: 11px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 9px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
}
.opt:hover { border-color: #b9c6da; background: #fafbfd; }
.opt input { margin-top: 3px; width: 17px; height: 17px; accent-color: var(--gov-blue); flex: none; }
.opt.checked { border-color: var(--gov-blue); background: var(--gov-blue-50); }
.opt span { font-size: 14.5px; }

.etc-row { display: flex; align-items: center; gap: 11px; }
.etc-row .etc-input {
  flex: 1;
  border: none;
  border-bottom: 1.5px solid var(--line);
  padding: 4px 2px;
  font-size: 14.5px;
  background: transparent;
}
.etc-row .etc-input:focus { outline: none; border-bottom-color: var(--gov-blue); }

textarea {
  width: 100%;
  min-height: 96px;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 12px 14px;
  font: inherit;
  font-size: 14.5px;
  resize: vertical;
  background: #fff;
}
textarea:focus { outline: none; border-color: var(--gov-blue); box-shadow: 0 0 0 3px var(--gov-blue-50); }

/* ── Reward / privacy block ── */
.reward {
  background: var(--white);
  border: 1px solid var(--gov-blue);
  border-radius: var(--radius);
  padding: 22px;
  margin-top: 22px;
  box-shadow: var(--shadow);
}
.reward h3 { margin: 0 0 4px; font-size: 16px; }
.reward .desc { font-size: 13.5px; color: var(--ink-soft); margin: 0 0 16px; }
.opt-badge {
  font-size: 11px; font-weight: 700; vertical-align: middle;
  color: var(--ink-soft); background: var(--line-soft);
  border-radius: 5px; padding: 2px 7px; margin-left: 4px;
}
.reward-toggle {
  display: flex; align-items: center; gap: 10px;
  padding: 13px 15px; border: 1px solid var(--line); border-radius: 9px;
  cursor: pointer; transition: border-color .15s, background .15s;
}
.reward-toggle:hover { border-color: #b9c6da; }
.reward-toggle input { width: 18px; height: 18px; accent-color: var(--gov-blue); }
.reward-toggle span { font-size: 14.5px; font-weight: 600; }
.reward-toggle.checked { border-color: var(--gov-blue); background: var(--gov-blue-50); }
#rewardFields { margin-top: 14px; }
#rewardFields.hidden { display: none; }
.field label { display: block; font-size: 13.5px; font-weight: 600; margin-bottom: 6px; }
.field input[type='tel'] {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 12px 14px;
  font: inherit;
  font-size: 15px;
}
.field input[type='tel']:focus { outline: none; border-color: var(--gov-blue); box-shadow: 0 0 0 3px var(--gov-blue-50); }
.field .hint { font-size: 12px; color: var(--ink-soft); margin-top: 5px; }

.consent {
  margin-top: 16px;
  border: 1px solid var(--line);
  border-radius: 9px;
  overflow: hidden;
}
.consent .body {
  background: #fafbfd;
  padding: 13px 15px;
  font-size: 12.5px;
  color: var(--ink-soft);
  max-height: 120px;
  overflow-y: auto;
  border-bottom: 1px solid var(--line);
}
.consent .body table { width: 100%; border-collapse: collapse; }
.consent .body td { padding: 3px 6px; vertical-align: top; }
.consent .body td:first-child { color: var(--ink); font-weight: 600; white-space: nowrap; width: 96px; }
.consent .agree { display: flex; align-items: center; gap: 10px; padding: 13px 15px; cursor: pointer; }
.consent .agree input { width: 18px; height: 18px; accent-color: var(--gov-blue); }
.consent .agree span { font-size: 14px; font-weight: 600; }

/* ── Submit ── */
.actions { margin-top: 24px; }
.btn-submit {
  width: 100%;
  border: none;
  background: var(--gov-blue);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  padding: 16px;
  border-radius: 10px;
  cursor: pointer;
  transition: background 0.15s;
  letter-spacing: -0.3px;
}
.btn-submit:hover { background: var(--gov-blue-dark); }
.btn-submit:disabled { background: #aab4c2; cursor: not-allowed; }

.form-error {
  display: none;
  background: #fdecea;
  border: 1px solid #f5c2bd;
  color: var(--warn);
  border-radius: 9px;
  padding: 12px 14px;
  font-size: 14px;
  margin-top: 14px;
}
.form-error.show { display: block; }

.card.invalid { border-color: var(--warn); }

/* ── Footer ── */
.gov-footer {
  background: #f0f2f5;
  border-top: 1px solid var(--line);
  margin-top: 40px;
}
.gov-footer .inner {
  max-width: 880px;
  margin: 0 auto;
  padding: 22px 20px 30px;
  font-size: 12.5px;
  color: var(--ink-soft);
}
.gov-footer .org-line { font-weight: 700; color: var(--ink); margin-bottom: 6px; }

/* ── Done / notice pages ── */
.center-page {
  max-width: 560px;
  margin: 0 auto;
  padding: 60px 20px;
  text-align: center;
}
.center-page .icon {
  width: 72px; height: 72px;
  border-radius: 50%;
  display: grid;
  place-items: center;
  margin: 0 auto 22px;
  background: var(--gov-blue-50);
}
.center-page .icon.ok { background: #e7f5ed; }
.center-page .icon.warn { background: #fdecea; }
.center-page h1 { font-size: 22px; margin: 0 0 10px; letter-spacing: -0.5px; }
.center-page p { color: var(--ink-soft); font-size: 15px; margin: 0 0 6px; }
.center-page .card-note {
  margin-top: 24px;
  background: #fff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 18px 20px;
  text-align: left;
  font-size: 13.5px;
  color: var(--ink-soft);
  box-shadow: var(--shadow);
}

@media (max-width: 600px) {
  .hero h1 { font-size: 20px; }
  .card { padding: 18px 16px; }
  .gov-brand .svc { font-size: 16px; }
}