@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=Poppins:wght@600;700&display=swap');
:root {
  --primary: #1D3557;
  --primary-lt: #2a4d73;
  --accent: #F5B041;
  --accent-lt: #F8C471;
  --success: #2E7D52;
  --danger: #E63946;
  --info: #2980b9;
  --page-bg: #F8F3E7;
  --card-bg: #fff;
  --text: #2F3437;
  --text-muted: #6c757d;
  --border: #dee2e6;
  --radius: 8px;
  --shadow: 0 2px 8px rgba(0, 0, 0, .09);
  --shadow-md: 0 4px 16px rgba(0, 0, 0, .12);
  --font-body: 'Inter', system-ui, sans-serif;
  --font-head: 'Poppins', system-ui, sans-serif
}
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0
}
body {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--page-bg)
}
a {
  color: var(--primary-lt);
  text-decoration: none
}
a:hover {
  text-decoration: underline
}
ul {
  padding-left: 1.4rem
}
li {
  margin-bottom: .35rem
}
strong {
  font-weight: 600
}
em {
  font-style: italic
}
.breadcrumb {
  background-color: #e8e2d6;
  padding: 10px 24px;
  font-size: .85rem;
  color: #555;
  border-bottom: 1px solid #d5cfc5
}
.breadcrumb a {
  color: var(--primary);
  font-weight: 600
}
.bc-sep {
  margin: 0 6px;
  color: #aaa
}
.bc-current {
  color: var(--text);
  font-weight: 600
}
.page-wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: 2rem 1.5rem 4rem
}
.page-title-block {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-lt) 100%);
  color: #F8F3E7;
  border-radius: var(--radius);
  padding: 36px 32px;
  margin-bottom: 28px
}
.page-title-label {
  font-size: .8rem;
  font-weight: 700;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px
}
.page-title-main {
  font-size: 2rem;
  font-weight: 700;
  line-height: 1.2;
  margin-bottom: 12px
}
.page-title-sub {
  font-size: 1rem;
  opacity: .85;
  line-height: 1.6;
  max-width: 680px
}
.quick-nav-label {
  font-size: .75rem;
  font-weight: 700;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--text-muted);
  margin-bottom: .75rem
}
.quick-nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: .6rem;
  margin-bottom: 2.5rem
}
.qnav-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .75rem .5rem;
  text-align: center;
  color: var(--primary);
  font-size: .78rem;
  font-weight: 600;
  cursor: pointer;
  transition: box-shadow .2s, border-color .2s, transform .15s;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .35rem
}
.qnav-card:hover {
  border-color: var(--primary-lt);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
  text-decoration: none
}
.qnav-card.active {
  border-color: var(--primary-lt);
  box-shadow: 0 4px 16px rgba(0, 0, 0, .12);
  transform: translateY(-2px);
  text-decoration: none;
  background-color: var(--primary);
  color: #fff
}
.qnav-icon {
  font-size: 1.7rem;
  line-height: 1
}
.section-art-txt {
  margin: 0 0 28px 0;
  padding: 28px 28px 24px;
  background-color: var(--card-bg);
  border-radius: var(--radius);
  box-shadow: var(--shadow)
}
.section-art-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--primary);
  border-left: 4px solid var(--danger);
  padding-left: 12px;
  margin-bottom: 20px;
  line-height: 1.3
}
.section-art-txt > p {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.6;
  margin-bottom: 16px
}
.subsection-block {
  margin-bottom: 2.8rem
}
.ppe-category {
  margin-bottom: 2rem;
  scroll-margin-top: 80px
}
.ppe-cat-header {
  display: flex;
  align-items: center;
  gap: .6rem;
  background: #f8f9fb;
  border-left: 4px solid var(--accent);
  padding: .6rem 1rem;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-bottom: 1rem
}
.ppe-cat-icon {
  font-size: 1.5rem
}
.ppe-cat-header h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 700;
  color: var(--primary);
  margin: 0
}
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 1rem
}
.cards-grid-2 {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1rem
}
.item-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow)
}
.item-card h4 {
  font-size: .88rem;
  font-weight: 700;
  color: var(--primary);
  margin-bottom: .5rem;
  padding-bottom: .4rem;
  border-bottom: 1px solid var(--border)
}
.item-card ul {
  font-size: .84rem;
  padding-left: 1.2rem
}
.item-card li {
  margin-bottom: .3rem
}
.styled-table {
  width: 100%;
  border-collapse: collapse;
  font-size: .875rem;
  background: var(--card-bg);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  margin-bottom: 1rem
}
.styled-table thead tr {
  background: var(--primary);
  color: #fff;
  text-align: left
}
.styled-table th, .styled-table td {
  padding: .65rem 1rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top
}
.styled-table tbody tr:last-child td {
  border-bottom: none
}
.styled-table tbody tr:nth-child(even) {
  background: #f8f9fb
}
.styled-table tbody tr:hover {
  background: #eef2f7
}
.check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 6px
}
.check-list li {
  font-size: .95rem;
  color: var(--text);
  padding-left: 24px;
  position: relative;
  line-height: 1.5
}
.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--success);
  font-weight: 700
}
.content-list {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.2rem 1rem 2rem;
  box-shadow: var(--shadow);
  font-size: .9rem
}
.content-list li {
  margin-bottom: .4rem
}
.proc-list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  counter-reset: proc-counter
}
.proc-list li {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: .65rem 1rem .65rem 3rem;
  border-left: 4px solid var(--info);
  font-size: .875rem;
  box-shadow: var(--shadow);
  counter-increment: proc-counter;
  position: relative
}
.proc-list li::before {
  content: counter(proc-counter);
  position: absolute;
  left: .9rem;
  top: 50%;
  transform: translateY(-50%);
  background: var(--info);
  color: #fff;
  font-weight: 700;
  font-size: .75rem;
  width: 1.4rem;
  height: 1.4rem;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center
}
.callout {
  border-radius: var(--radius);
  padding: .9rem 1.1rem;
  margin: 1rem 0;
  font-size: .875rem;
  display: flex;
  gap: .75rem;
  align-items: flex-start
}
.callout-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: .05rem
}
.callout-body {
  flex: 1
}
.callout-body strong {
  display: block;
  margin-bottom: .25rem;
  font-size: .9rem
}
.callout-warn {
  background: #fef9e7;
  border: 1px solid #f1c40f
}
.callout-info {
  background: #eaf4fb;
  border: 1px solid #85c1e9
}
.callout-danger {
  background: #fdf2f2;
  border: 1px solid #e74c3c
}
.callout-tip {
  background: #eafaf1;
  border: 1px solid #2ecc71
}
.intro-para {
  font-size: .95rem;
  color: var(--text-muted);
  margin-bottom: 1.2rem;
  line-height: 1.7
}
.section-divider {
  border: none;
  border-top: 1px dashed var(--border);
  margin: 2.5rem 0
}


/* QUIZ NAV */
.quiz-nav-container {
  text-align: center;
  margin-bottom: 0.75rem;
}

.quiz-nav {
  display: flex;
  justify-content: center;
}

.quiz-nav-btn {
  display: inline-block;
  background-color: #E63946;
  color: #F8F3E7;
  text-decoration: none;
  padding: 0.85rem 1.4rem;
  border-radius: 0.5rem;
  font-weight: 600;
  transition: background-color 0.2s, transform 0.2s, box-shadow 0.2s;
  box-shadow: 0 4px 12px rgba(29, 53, 87, 0.18);
  border: 2px solid transparent;
}

.quiz-nav-btn:hover {
  background-color: #C92F3B;
  transform: translateY(-1px);
  box-shadow: 0 6px 14px rgba(29, 53, 87, 0.24);
}

.quiz-nav-btn:focus {
  outline: none;
  border-color: #F1C40F;
}

/* FOOTER NAV */
.main-footer-nav {
  background-color: var(--primary);
  display: flex;
  justify-content: center;
  gap: 12px;
  padding: 16px 24px;
  flex-wrap: wrap
}
.main-footer-nav-btn {
  display: inline-block;
  background-color: var(--accent);
  color: var(--text);
  font-weight: 700;
  font-size: .9rem;
  padding: 10px 24px;
  border-radius: 4px;
  transition: background-color .2s;
  text-decoration: none
}
.main-footer-nav-btn:hover {
  background-color: var(--accent-lt)
}
.site-footer {
  background-color: #2F3437;
  color: #F8F3E7;
  padding: 40px 24px 24px
}
.footer-container {
  display: flex;
  align-items: flex-start;
  justify-content: center;
  color: #F1C40F;
  gap: 32px;
  max-width: 1200px;
  margin: 0 auto
}
.footer-col {
  flex: 1
}
.footer-col a {
  color: #F1C40F;
  text-decoration: underline;
  transition: opacity .2s
}
.footer-col a:hover {
  opacity: .5
}
.footer-col h3 {
  font-size: 1.05rem;
  color: #F1C40F;
  margin-bottom: 10px
}
.footer-col p {
  font-size: .9rem;
  opacity: .8;
  line-height: 1.7
}
.footer-credit {
  text-align: center;
  font-size: .8rem;
  opacity: .6;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid rgba(255, 255, 255, .15);
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto
}
@media (max-width:768px) {
  .page-title-main {
    font-size: 1.5rem
  }
  .page-title-block {
    padding: 24px 20px
  }
  .section-art-txt {
    padding: 20px 16px
  }
  .section-art-title {
    font-size: 1rem
  }
  .cards-grid, .cards-grid-2 {
    grid-template-columns: 1fr
  }
  .footer-container {
    flex-direction: column;
    gap: 20px
  }
}
@media (max-width:480px) {
  .quick-nav-grid {
    grid-template-columns: repeat(3, 1fr)
  }
}
.back-to-top {
  position: fixed;
  bottom: 28px;
  right: 24px;
  z-index: 999;
  padding: 10px 18px;
  font-size: .85rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity .3s ease, transform .3s ease;
  transform: translateY(10px);
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, .2)
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0)
}
.section-art-txt[id], .ppe-category[id], .subsection-block[id], article[id] {
  scroll-margin-top: 80px
}