:root {
  color-scheme: light;
  --green: #2d7a4f;
  --green-dark: #1f5d3c;
  --mint: #edf8f2;
  --mint-strong: #dcefe5;
  --ink: #18231d;
  --sub: #5f6b64;
  --line: #dce4df;
  --warm: #fffaf2;
  --paper: #ffffff;
  --bg: #f5f8f6;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo",
    "Noto Sans KR", "Malgun Gothic", sans-serif;
  line-height: 1.72;
  word-break: keep-all;
  -webkit-font-smoothing: antialiased;
}

a { color: inherit; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  border-bottom: 1px solid rgba(220, 228, 223, .9);
  background: rgba(255, 255, 255, .94);
  backdrop-filter: blur(12px);
}

.header-inner,
.page,
.footer-inner {
  width: calc(100% - 40px);
  max-width: 1080px;
  margin: 0 auto;
}

.header-inner {
  min-height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  color: #6b4c2a;
  font-size: 20px;
  font-weight: 850;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 35px;
  height: 35px;
  place-items: center;
  border-radius: 12px;
  background: var(--mint);
  font-size: 20px;
}

.nav { display: flex; gap: 8px; align-items: center; }

.nav a {
  padding: 8px 11px;
  border-radius: 10px;
  color: var(--sub);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.nav a:hover { background: var(--mint); color: var(--green-dark); }

.page { padding: 54px 0 80px; }

.breadcrumbs {
  margin-bottom: 18px;
  color: #748078;
  font-size: 13px;
}

.breadcrumbs a { text-decoration: none; }

.hero {
  position: relative;
  overflow: hidden;
  padding: 54px clamp(26px, 6vw, 72px);
  border: 1px solid #d9e7df;
  border-radius: 28px;
  background: linear-gradient(135deg, #f0faf4 0%, #fff 56%, #fff8ec 100%);
  box-shadow: 0 18px 48px rgba(35, 75, 53, .08);
}

.topic-image {
  display: block;
  width: 100%;
  margin: 28px 0 0;
  aspect-ratio: 1200 / 630;
  border: 1px solid rgba(45, 122, 79, .13);
  border-radius: 20px;
  object-fit: cover;
  box-shadow: 0 14px 34px rgba(35, 75, 53, .09);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 18px 0 0;
  color: #68746d;
  font-size: 13px;
}

.article-meta a {
  color: var(--green-dark);
  font-weight: 750;
  text-decoration: none;
}

.hero::after {
  position: absolute;
  top: -95px;
  right: -75px;
  width: 270px;
  height: 270px;
  border-radius: 50%;
  background: rgba(101, 181, 137, .12);
  content: "";
}

.eyebrow {
  margin: 0 0 12px;
  color: var(--green);
  font-size: 14px;
  font-weight: 850;
  letter-spacing: .02em;
}

h1 {
  max-width: 760px;
  margin: 0;
  font-size: clamp(34px, 6vw, 56px);
  line-height: 1.18;
  letter-spacing: -.04em;
}

.lead {
  max-width: 760px;
  margin: 22px 0 0;
  color: #46534b;
  font-size: clamp(17px, 2.5vw, 21px);
}

.hero-actions,
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  padding: 12px 21px;
  border: 1px solid var(--green);
  border-radius: 14px;
  background: var(--green);
  color: #fff;
  font-size: 15px;
  font-weight: 800;
  text-decoration: none;
  transition: transform .16s ease, box-shadow .16s ease;
}

.button:hover { transform: translateY(-1px); box-shadow: 0 8px 20px rgba(45, 122, 79, .2); }
.button.secondary { background: #fff; color: var(--green-dark); }

.trust-row {
  display: flex;
  flex-wrap: wrap;
  gap: 9px;
  margin-top: 24px;
}

.trust-row span {
  padding: 7px 11px;
  border: 1px solid #d9e7df;
  border-radius: 999px;
  background: rgba(255, 255, 255, .8);
  color: #526057;
  font-size: 13px;
  font-weight: 700;
}

.section { margin-top: 64px; }

.section h2 {
  margin: 0 0 12px;
  font-size: clamp(25px, 4vw, 34px);
  line-height: 1.3;
  letter-spacing: -.03em;
}

.section-intro { max-width: 790px; margin: 0 0 25px; color: var(--sub); }

.definition {
  padding: 27px 29px;
  border-left: 5px solid var(--green);
  border-radius: 4px 18px 18px 4px;
  background: #fff;
  box-shadow: 0 9px 28px rgba(36, 68, 49, .06);
  font-size: 17px;
}

.definition strong { color: var(--green-dark); }

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 15px;
}

.card {
  padding: 25px;
  border: 1px solid var(--line);
  border-radius: 19px;
  background: var(--paper);
}

.card h3 { margin: 0 0 8px; font-size: 18px; }
.card p { margin: 0; color: var(--sub); font-size: 14.5px; }
.card .num { display: block; margin-bottom: 10px; color: var(--green); font-size: 13px; font-weight: 850; }

.link-card {
  color: inherit;
  text-decoration: none;
  transition: transform .16s ease, border-color .16s ease, box-shadow .16s ease;
}

.link-card:hover {
  transform: translateY(-2px);
  border-color: #a9cdb9;
  box-shadow: 0 10px 26px rgba(36, 68, 49, .08);
}

.policy-table {
  width: 100%;
  overflow: hidden;
  border-collapse: collapse;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fff;
}

.policy-table th,
.policy-table td {
  padding: 15px 17px;
  border-bottom: 1px solid var(--line);
  text-align: left;
  vertical-align: top;
}

.policy-table th { width: 28%; background: var(--mint); color: var(--green-dark); }
.policy-table tr:last-child th,
.policy-table tr:last-child td { border-bottom: 0; }

.checklist {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 10px 24px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.checklist li {
  position: relative;
  padding: 14px 16px 14px 44px;
  border-radius: 13px;
  background: #fff;
  box-shadow: inset 0 0 0 1px var(--line);
}

.checklist li::before {
  position: absolute;
  top: 14px;
  left: 16px;
  color: var(--green);
  content: "✓";
  font-weight: 900;
}

.steps { counter-reset: step; display: grid; gap: 12px; }

.step {
  position: relative;
  padding: 21px 22px 21px 68px;
  border: 1px solid var(--line);
  border-radius: 17px;
  background: #fff;
}

.step::before {
  position: absolute;
  top: 18px;
  left: 19px;
  display: grid;
  width: 34px;
  height: 34px;
  place-items: center;
  border-radius: 50%;
  background: var(--mint-strong);
  color: var(--green-dark);
  content: counter(step);
  counter-increment: step;
  font-weight: 900;
}

.step h3 { margin: 0 0 4px; font-size: 17px; }
.step p { margin: 0; color: var(--sub); font-size: 14px; }

.faq { display: grid; gap: 10px; }

.faq details {
  border: 1px solid var(--line);
  border-radius: 15px;
  background: #fff;
}

.faq summary {
  cursor: pointer;
  padding: 18px 21px;
  font-weight: 800;
  list-style: none;
}

.faq summary::-webkit-details-marker { display: none; }
.faq details p { margin: 0; padding: 0 21px 19px; color: var(--sub); }

.notice {
  margin-top: 60px;
  padding: 22px 25px;
  border: 1px solid #eadfca;
  border-radius: 17px;
  background: var(--warm);
  color: #665943;
  font-size: 14px;
}

.notice strong { color: #4c4233; }

.final-cta {
  margin-top: 62px;
  padding: 36px;
  border-radius: 23px;
  background: var(--green-dark);
  color: #fff;
  text-align: center;
}

.final-cta h2 { margin: 0; font-size: 28px; }
.final-cta p { margin: 10px auto 0; color: #dcebe2; }
.final-cta .cta-actions { justify-content: center; }
.final-cta .button { border-color: #fff; background: #fff; color: var(--green-dark); }
.final-cta .button.secondary { background: transparent; color: #fff; }

.site-footer { border-top: 1px solid var(--line); background: #fff; }
.footer-inner { padding: 30px 0 45px; color: #778078; font-size: 12px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 13px; margin-bottom: 9px; }
.footer-links a { color: #536057; font-weight: 700; text-decoration: none; }

.trust-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 14px;
  margin-top: 12px;
}

.trust-links a { color: var(--green-dark); font-weight: 750; text-decoration: none; }

@media (max-width: 760px) {
  .header-inner, .page, .footer-inner { width: calc(100% - 28px); }
  .header-inner { min-height: 60px; }
  .nav a:not(.primary-nav) { display: none; }
  .brand { font-size: 18px; }
  .page { padding-top: 28px; }
  .hero { padding: 38px 23px; border-radius: 22px; }
  .lead { word-break: normal; overflow-wrap: anywhere; }
  .grid, .checklist { grid-template-columns: 1fr; }
  .section { margin-top: 48px; }
  .definition { padding: 22px; font-size: 16px; }
  .topic-image { margin-top: 22px; border-radius: 16px; }
  .policy-table, .policy-table tbody, .policy-table tr, .policy-table th, .policy-table td { display: block; }
  .policy-table th { width: 100%; border-bottom: 0; padding-bottom: 5px; }
  .policy-table td { padding-top: 7px; }
  .final-cta { padding: 30px 22px; }
  .button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .button { transition: none; }
}