/* ebo.kr - 전기차 가이드 */
:root {
  --c-primary: #00833F;
  --c-primary-dark: #006b33;
  --c-text: #1a1a1a;
  --c-text-muted: #5b6470;
  --c-text-light: #8a93a0;
  --c-bg: #ffffff;
  --c-bg-soft: #f6f8fa;
  --c-border: #e5e7eb;
  --c-border-light: #f0f2f5;
  --c-link: #006b33;
  --c-warn: #b45309;
  --c-warn-bg: #fef3c7;
  --maxw: 1100px;
  --maxw-text: 720px;
  --radius: 10px;
  --shadow: 0 1px 2px rgba(0,0,0,.04), 0 4px 12px rgba(0,0,0,.04);
}

* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Apple SD Gothic Neo", "Pretendard", "Malgun Gothic", "맑은 고딕", "Segoe UI", Roboto, sans-serif;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-text);
  background: var(--c-bg);
  -webkit-font-smoothing: antialiased;
  word-break: keep-all;
  overflow-wrap: break-word;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--c-link); text-decoration: none; }
a:hover { text-decoration: underline; }

/* 헤더 */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255,255,255,.96);
  backdrop-filter: saturate(180%) blur(8px);
  border-bottom: 1px solid var(--c-border);
}
.site-header .inner {
  max-width: var(--maxw); margin: 0 auto; padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
}
.brand {
  font-weight: 800; font-size: 20px; letter-spacing: -0.02em;
  color: var(--c-text); display: flex; align-items: center; gap: 8px;
}
.brand-mark {
  width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--c-primary), #2eb872);
  display: inline-flex; align-items: center; justify-content: center;
  color: #fff; font-size: 14px; font-weight: 800;
}
.site-nav ul {
  list-style: none; padding: 0; margin: 0; display: flex; gap: 8px; flex-wrap: wrap;
}
.site-nav a {
  display: inline-block; padding: 8px 12px; border-radius: 8px;
  color: var(--c-text); font-size: 15px; font-weight: 500;
}
.site-nav a:hover { background: var(--c-bg-soft); text-decoration: none; }
.site-nav a.active { color: var(--c-primary-dark); background: #e6f4ec; }

.menu-toggle {
  display: none; background: none; border: 1px solid var(--c-border);
  width: 40px; height: 40px; border-radius: 8px; cursor: pointer; padding: 0;
}
.menu-toggle span {
  display: block; width: 18px; height: 2px; background: var(--c-text);
  margin: 4px auto; transition: .2s;
}

/* 히어로 */
.hero {
  background: linear-gradient(180deg, #f0fdf4 0%, #ffffff 100%);
  padding: 56px 20px 40px;
  border-bottom: 1px solid var(--c-border-light);
}
.hero .inner { max-width: var(--maxw); margin: 0 auto; text-align: center; }
.hero h1 {
  font-size: clamp(28px, 4vw, 40px); line-height: 1.3; margin: 0 0 16px;
  letter-spacing: -0.025em; font-weight: 800;
}
.hero p { font-size: 17px; color: var(--c-text-muted); max-width: 640px; margin: 0 auto 24px; }
.hero .cta {
  display: inline-flex; gap: 10px; flex-wrap: wrap; justify-content: center;
}
.btn {
  display: inline-block; padding: 11px 20px; border-radius: 8px;
  font-weight: 600; font-size: 15px; cursor: pointer; border: none;
  transition: transform .1s, box-shadow .15s;
}
.btn-primary { background: var(--c-primary); color: #fff; }
.btn-primary:hover { background: var(--c-primary-dark); text-decoration: none; box-shadow: 0 4px 12px rgba(0,131,63,.25); }
.btn-secondary { background: #fff; color: var(--c-text); border: 1px solid var(--c-border); }
.btn-secondary:hover { background: var(--c-bg-soft); text-decoration: none; }

/* 컨테이너 */
.container { max-width: var(--maxw); margin: 0 auto; padding: 40px 20px; }
.container-narrow { max-width: 820px; margin: 0 auto; padding: 40px 20px; }

/* 섹션 헤더 */
.section-title {
  font-size: 22px; font-weight: 700; margin: 0 0 20px;
  letter-spacing: -0.02em;
}
.section-sub { color: var(--c-text-muted); margin: -12px 0 24px; font-size: 15px; }

/* 카테고리 그리드 */
.cat-grid {
  display: grid; gap: 14px;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}
.cat-card {
  display: block; padding: 20px; border-radius: var(--radius);
  border: 1px solid var(--c-border); background: #fff; color: var(--c-text);
  transition: border-color .15s, transform .1s;
}
.cat-card:hover { border-color: var(--c-primary); text-decoration: none; transform: translateY(-2px); }
.cat-icon {
  width: 40px; height: 40px; border-radius: 10px; background: #e6f4ec;
  display: flex; align-items: center; justify-content: center;
  font-size: 20px; margin-bottom: 12px;
}
.cat-name { font-weight: 700; font-size: 16px; margin-bottom: 4px; }
.cat-desc { font-size: 14px; color: var(--c-text-muted); }

/* 글 목록 */
.post-list { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; }
.post-card {
  border: 1px solid var(--c-border); border-radius: var(--radius);
  padding: 18px 20px; background: #fff;
  transition: border-color .15s;
}
.post-card:hover { border-color: var(--c-primary); }
.post-card a { color: var(--c-text); }
.post-card a:hover { text-decoration: none; }
.post-card .meta {
  font-size: 13px; color: var(--c-text-light); margin-bottom: 6px;
  display: flex; gap: 10px; flex-wrap: wrap; align-items: center;
}
.post-card .cat-tag {
  display: inline-block; padding: 2px 8px; border-radius: 4px;
  background: #e6f4ec; color: var(--c-primary-dark);
  font-size: 12px; font-weight: 600;
}
.post-card h3 {
  font-size: 17px; font-weight: 700; margin: 0 0 6px; line-height: 1.45;
  letter-spacing: -0.015em;
}
.post-card .excerpt { font-size: 14px; color: var(--c-text-muted); margin: 0; line-height: 1.6; }

/* 글 본문 */
.article-header { padding: 36px 20px 20px; max-width: var(--maxw-text); margin: 0 auto; }
.breadcrumb {
  font-size: 13px; color: var(--c-text-light); margin-bottom: 14px;
}
.breadcrumb a { color: var(--c-text-light); }
.breadcrumb a:hover { color: var(--c-primary); }
.article-header h1 {
  font-size: clamp(26px, 3.5vw, 34px); line-height: 1.35; margin: 0 0 14px;
  letter-spacing: -0.025em; font-weight: 800;
}
.article-meta {
  font-size: 14px; color: var(--c-text-light);
  display: flex; gap: 12px; flex-wrap: wrap; align-items: center;
}
.article-meta .cat-tag { font-size: 12px; padding: 3px 10px; }

.article-body {
  max-width: var(--maxw-text); margin: 0 auto; padding: 12px 20px 40px;
  font-size: 17px; line-height: 1.85;
}
.article-body p { margin: 0 0 1.2em; }
.article-body h2 {
  font-size: 23px; font-weight: 800; letter-spacing: -0.02em;
  margin: 2em 0 0.8em; padding-top: 0.4em; line-height: 1.4;
}
.article-body h3 {
  font-size: 19px; font-weight: 700; letter-spacing: -0.015em;
  margin: 1.6em 0 0.6em; line-height: 1.45;
}
.article-body ul, .article-body ol { padding-left: 1.4em; margin: 0 0 1.2em; }
.article-body li { margin: 0.3em 0; }
.article-body li::marker { color: var(--c-primary); }
.article-body strong { color: var(--c-text); font-weight: 700; }
.article-body blockquote {
  border-left: 3px solid var(--c-primary);
  padding: 0.4em 1em; margin: 1.4em 0;
  background: var(--c-bg-soft); color: var(--c-text-muted);
  border-radius: 0 6px 6px 0;
}
.article-body table {
  border-collapse: collapse; width: 100%; margin: 1.4em 0;
  font-size: 15px; background: #fff;
}
.article-body th, .article-body td {
  border: 1px solid var(--c-border); padding: 10px 12px; text-align: left; vertical-align: top;
}
.article-body th { background: var(--c-bg-soft); font-weight: 700; }
.article-body .callout {
  background: #fffbeb; border: 1px solid #fde68a;
  padding: 14px 18px; border-radius: 8px; margin: 1.4em 0; font-size: 15px;
}
.article-body .callout strong { color: var(--c-warn); }
.article-body .tip {
  background: #ecfdf5; border: 1px solid #a7f3d0;
  padding: 14px 18px; border-radius: 8px; margin: 1.4em 0; font-size: 15px;
}
.article-body .tip strong { color: var(--c-primary-dark); }

/* 글 하단 - 관련 글 */
.related {
  max-width: var(--maxw-text); margin: 0 auto 40px; padding: 28px 20px 0;
  border-top: 1px solid var(--c-border-light);
}
.related h2 { font-size: 18px; margin: 0 0 14px; font-weight: 700; }
.related ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 10px; }
.related li a {
  display: block; padding: 12px 14px; border-radius: 8px;
  background: var(--c-bg-soft); color: var(--c-text);
  font-size: 15px; font-weight: 500;
}
.related li a:hover { background: #e6f4ec; text-decoration: none; }

/* 면책 박스 */
.disclaimer-box {
  max-width: var(--maxw-text); margin: 0 auto 30px; padding: 14px 18px;
  font-size: 13px; color: var(--c-text-light);
  background: var(--c-bg-soft); border-radius: 8px;
}

/* 폼 */
.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 15px; }
.form-group input, .form-group textarea {
  width: 100%; padding: 10px 12px; border: 1px solid var(--c-border);
  border-radius: 8px; font-size: 15px; font-family: inherit;
}
.form-group input:focus, .form-group textarea:focus {
  outline: none; border-color: var(--c-primary);
}
.form-group textarea { min-height: 140px; resize: vertical; }

/* 충전요금 계산기 */
.ev-calc { margin-top: 48px; }
.calc-grid {
  display: grid; gap: 20px;
  grid-template-columns: 1.05fr 1fr;
  background: var(--c-bg-soft); padding: 24px; border-radius: var(--radius);
  border: 1px solid var(--c-border);
}
.calc-inputs .form-group { margin-bottom: 14px; }
.calc-inputs select {
  width: 100%; padding: 10px 12px; border: 1px solid var(--c-border);
  border-radius: 8px; font-size: 15px; font-family: inherit; background: #fff;
}
.calc-inputs select:focus { outline: none; border-color: var(--c-primary); }
.form-row  { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.form-row3 { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 10px; }
.form-row .form-group, .form-row3 .form-group { margin-bottom: 0; }
.calc-rate-h {
  font-size: 15px; font-weight: 700; margin: 18px 0 10px;
  display: flex; align-items: center; justify-content: space-between;
}
.calc-rate-h button {
  background: #fff; border: 1px solid var(--c-border); border-radius: 6px;
  padding: 4px 10px; font-size: 13px; cursor: pointer; color: var(--c-text-muted);
}
.calc-rate-h button:hover { border-color: var(--c-primary); color: var(--c-primary-dark); }
.calc-results {
  background: #fff; padding: 18px; border-radius: 8px;
  border: 1px solid var(--c-border);
  display: flex; flex-direction: column;
}
.r-line {
  display: flex; justify-content: space-between; align-items: baseline;
  padding: 8px 0; border-bottom: 1px solid var(--c-border-light);
  font-size: 14px; color: var(--c-text-muted);
}
.r-line strong { color: var(--c-primary-dark); font-size: 17px; font-weight: 700; }
.r-note { font-size: 12px; color: var(--c-text-light); margin: 8px 0 0; }
.calc-table {
  width: 100%; border-collapse: collapse; margin-top: 14px; font-size: 14px;
}
.calc-table th, .calc-table td {
  padding: 10px 8px; border-bottom: 1px solid var(--c-border-light); text-align: right;
}
.calc-table th:first-child, .calc-table td:first-child { text-align: left; }
.calc-table th { background: var(--c-bg-soft); font-weight: 700; font-size: 13px; }
.calc-table td strong { color: var(--c-primary-dark); }
.calc-tip { font-size: 12px; color: var(--c-text-light); margin: 10px 0 0; }
.calc-disc {
  font-size: 13px; color: var(--c-text-light); margin: 14px 0 0;
  background: #fffbeb; border: 1px solid #fde68a; padding: 10px 14px; border-radius: 8px;
}

@media (max-width: 760px) {
  .calc-grid { grid-template-columns: 1fr; padding: 16px; gap: 16px; }
  .form-row3 { grid-template-columns: 1fr 1fr; }
}

/* 푸터 */
.site-footer {
  background: var(--c-bg-soft);
  border-top: 1px solid var(--c-border);
  padding: 36px 20px 24px; margin-top: 48px;
}
.site-footer .inner {
  max-width: var(--maxw); margin: 0 auto;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 28px;
  padding-bottom: 24px; border-bottom: 1px solid var(--c-border);
}
.footer-grid h4 { margin: 0 0 12px; font-size: 14px; font-weight: 700; }
.footer-grid ul { list-style: none; padding: 0; margin: 0; }
.footer-grid li { margin: 6px 0; }
.footer-grid a { color: var(--c-text-muted); font-size: 14px; }
.footer-about p { font-size: 14px; color: var(--c-text-muted); margin: 0; line-height: 1.7; }
.footer-bottom {
  padding-top: 18px; font-size: 13px; color: var(--c-text-light);
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px;
}

/* 모바일 */
@media (max-width: 760px) {
  .menu-toggle { display: block; }
  .site-nav {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #fff; border-bottom: 1px solid var(--c-border);
    display: none; padding: 12px 20px;
  }
  .site-nav.open { display: block; }
  .site-nav ul { flex-direction: column; gap: 0; }
  .site-nav a { display: block; padding: 12px 8px; border-radius: 6px; }
  .hero { padding: 40px 20px 28px; }
  .footer-grid { grid-template-columns: 1fr; gap: 22px; }
  .article-body { font-size: 16px; }
  .article-body h2 { font-size: 20px; }
  .article-body h3 { font-size: 17px; }
  .article-body table { font-size: 14px; }
  .article-body th, .article-body td { padding: 8px 10px; }
}

/* 인쇄 */
@media print {
  .site-header, .site-footer, .related, .menu-toggle { display: none; }
  body { font-size: 12pt; color: #000; }
}