* { box-sizing: border-box; margin: 0; padding: 0; }
  body {
    font-family: Georgia, 'Times New Roman', serif;
    line-height: 1.7;
    color: #1c2b33;
    background: #f4f8fa;
  }

  /* ── Navigation ── */
  nav {
    background: #012d45;
    position: sticky;
    top: 0;
    z-index: 100;
    padding: 0 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
  }
  nav ul {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0;
  }
  nav ul li a {
    display: block;
    color: #cfe4ec;
    text-decoration: none;
    padding: 12px 13px;
    font-family: Arial, sans-serif;
    font-size: 0.80em;
    transition: background 0.2s, color 0.2s;
  }
  nav ul li a:hover { background: #0a6e8c; color: #fff; }

  /* ── Hero ── */
  .hero {
    background: linear-gradient(135deg, #013a56 0%, #0a6e8c 50%, #35b0ab 100%);
    color: #fff;
    padding: 90px 20px 70px;
    text-align: center;
    position: relative;
    overflow: hidden;
  }
  .hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='60' height='60'%3E%3Ccircle cx='30' cy='30' r='20' fill='none' stroke='rgba(255,255,255,0.05)' stroke-width='1'/%3E%3C/svg%3E") repeat;
    pointer-events: none;
  }
  .hero h1 {
    font-size: clamp(1.8em, 4vw, 3em);
    margin-bottom: 15px;
    letter-spacing: 0.5px;
    position: relative;
  }
  .hero h2 {
    font-size: clamp(1em, 2.5vw, 1.3em);
    font-weight: normal;
    margin-bottom: 25px;
    opacity: 0.95;
    position: relative;
  }
  .hero p.tagline {
    font-style: italic;
    font-size: 1.1em;
    max-width: 700px;
    margin: 0 auto 30px;
    opacity: 0.9;
    position: relative;
  }
  .hero-stats {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 18px;
    margin-top: 20px;
    position: relative;
  }
  .hero-stat {
    background: rgba(255,255,255,0.15);
    border: 1px solid rgba(255,255,255,0.3);
    border-radius: 8px;
    padding: 12px 22px;
    text-align: center;
  }
  .hero-stat .num {
    display: block;
    font-size: 2em;
    font-weight: bold;
    font-family: Arial, sans-serif;
    line-height: 1.1;
  }
  .hero-stat .lbl {
    display: block;
    font-size: 0.82em;
    opacity: 0.85;
    font-family: Arial, sans-serif;
  }

  /* ── Layout ── */
  main {
    max-width: 960px;
    margin: 0 auto;
    padding: 40px 25px;
  }
  section {
    background: #fff;
    padding: 35px 40px;
    margin-bottom: 30px;
    border-left: 5px solid #0a6e8c;
    border-radius: 4px;
    box-shadow: 0 2px 6px rgba(0,0,0,0.05);
    scroll-margin-top: 55px;
  }
  section h2 {
    color: #013a56;
    font-size: 1.6em;
    margin-bottom: 15px;
    border-bottom: 1px solid #d1e0e6;
    padding-bottom: 8px;
  }
  section h3 {
    color: #0a6e8c;
    margin-top: 20px;
    margin-bottom: 8px;
    font-size: 1.15em;
  }
  section h4 {
    color: #1c5e78;
    margin-top: 14px;
    margin-bottom: 6px;
    font-size: 1em;
    font-style: italic;
  }
  section p { margin-bottom: 12px; }
  ul { margin: 10px 0 15px 25px; }
  ol { margin: 10px 0 15px 25px; }
  li { margin-bottom: 7px; }

  /* ── Stat badge ── */
  .stat {
    display: inline-block;
    background: #e6f4f5;
    color: #013a56;
    padding: 2px 9px;
    border-radius: 3px;
    font-weight: bold;
    font-family: Arial, sans-serif;
    font-size: 0.93em;
  }

  /* ── Alert / warning box ── */
  .alert-box {
    background: #fff4e2;
    border-left: 5px solid #e08b00;
    border-radius: 4px;
    padding: 16px 20px;
    margin: 18px 0;
    font-family: Arial, sans-serif;
    font-size: 0.95em;
    color: #5c3b00;
  }
  .alert-box strong { color: #c76800; }

  /* ── Info box ── */
  .info-box {
    background: #eaf6f8;
    border: 1px solid #b2d8e0;
    border-radius: 4px;
    padding: 14px 18px;
    margin: 16px 0;
    font-size: 0.95em;
  }

  /* ── Data table ── */
  .data-table {
    width: 100%;
    border-collapse: collapse;
    margin: 18px 0;
    font-family: Arial, sans-serif;
    font-size: 0.88em;
  }
  .data-table th {
    background: #013a56;
    color: #fff;
    padding: 10px 12px;
    text-align: left;
  }
  .data-table td {
    padding: 8px 12px;
    border-bottom: 1px solid #d1e0e6;
    vertical-align: top;
  }
  .data-table tr:nth-child(even) td { background: #f0f8fa; }
  .data-table tr:hover td { background: #dff0f4; }

  /* ── Comparison grid ── */
  .compare-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin: 18px 0;
  }
  .compare-grid > div {
    background: #f4f8fa;
    border-radius: 6px;
    padding: 16px 18px;
    border-top: 3px solid #0a6e8c;
  }
  .compare-grid > div.bad { border-top-color: #c0392b; }
  .compare-grid > div h4 {
    color: #013a56;
    font-style: normal;
    margin-top: 0;
    margin-bottom: 10px;
    font-size: 1em;
  }
  .compare-grid > div.bad h4 { color: #c0392b; }

  /* ── Quote block ── */
  blockquote {
    border-left: 4px solid #35b0ab;
    margin: 18px 0;
    padding: 12px 20px;
    background: #f0fbfb;
    font-style: italic;
    color: #234f5e;
  }
  blockquote cite {
    display: block;
    margin-top: 8px;
    font-style: normal;
    font-size: 0.85em;
    color: #0a6e8c;
    font-family: Arial, sans-serif;
  }

  /* ── Vision section ── */
  .vision {
    background: linear-gradient(135deg, #013a56, #0a6e8c 60%, #35b0ab);
    color: #fff;
    border-left: 5px solid rgba(255,255,255,0.5);
  }
  .vision h2 { color: #fff; border-color: rgba(255,255,255,0.3); }
  .vision h3 { color: #c8ecf0; }
  .vision p { opacity: 0.95; }
  .vision ul li { opacity: 0.93; }

  /* ── Crisis banner ── */
  .crisis {
    background: linear-gradient(135deg, #7b0d0d, #c0392b);
    color: #fff;
    border-left: 5px solid #ff7f7f;
  }
  .crisis h2 { color: #fff; border-color: rgba(255,150,150,0.4); }
  .crisis h3 { color: #ffcccc; }
  .crisis .data-table th {
    background: #5a0f0f;
    color: #ffe9e9;
    border-bottom: 1px solid rgba(255,255,255,0.18);
  }
  .crisis .data-table td {
    color: #2f1111;
    border-bottom-color: #efc7c7;
    background: #fff5f5;
  }
  .crisis .data-table tr:nth-child(even) td { background: #ffecec; }
  .crisis .data-table tr:hover td { background: #ffdede; }

  /* ── Timeline ── */
  .timeline { list-style: none; margin: 14px 0 18px 0; padding: 0; border-left: 3px solid #0a6e8c; }
  .timeline li {
    padding: 6px 0 6px 20px;
    position: relative;
    margin-bottom: 2px;
  }
  .timeline li::before {
    content: '';
    position: absolute;
    left: -7px;
    top: 12px;
    width: 11px;
    height: 11px;
    background: #35b0ab;
    border-radius: 50%;
    border: 2px solid #fff;
    box-shadow: 0 0 0 2px #0a6e8c;
  }
  .timeline .year {
    font-family: Arial, sans-serif;
    font-weight: bold;
    color: #013a56;
    font-size: 0.88em;
    display: inline-block;
    min-width: 55px;
  }
  .crisis .timeline { border-left-color: #ff9999; }
  .crisis .timeline li::before { background: #ff7f7f; box-shadow: 0 0 0 2px #ff3333; }
  .crisis .timeline .year { color: #ffe0e0; }

  /* ── Visual dashboard ── */
  .viz-grid {
    display: grid;
    grid-template-columns: 1.25fr 1fr;
    gap: 18px;
    margin-top: 18px;
  }
  .viz-card {
    background: #f6fbfc;
    border: 1px solid #d3e8ee;
    border-radius: 8px;
    padding: 14px 15px;
  }
  .viz-card h4 {
    margin: 0 0 10px 0;
    color: #013a56;
    font-style: normal;
  }
  .chart-legend {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 8px;
    font-size: 0.82em;
    font-family: Arial, sans-serif;
    color: #32525f;
  }
  .chart-legend span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .chart-legend i {
    width: 11px;
    height: 11px;
    border-radius: 2px;
    display: inline-block;
  }
  .flow-schema {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin-top: 10px;
    font-family: Arial, sans-serif;
    font-size: 0.82em;
  }
  .flow-schema .node {
    background: #ffffff;
    border: 1px solid #b9d8e1;
    border-radius: 6px;
    padding: 9px;
    text-align: center;
    color: #184356;
    position: relative;
    min-height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
  }
  .flow-schema .node::after {
    content: '→';
    position: absolute;
    right: -11px;
    top: 50%;
    transform: translateY(-50%);
    color: #0a6e8c;
    font-weight: bold;
  }
  .flow-schema .node:last-child::after { content: ''; }
  .mini-compare {
    width: 100%;
    border-collapse: collapse;
    margin-top: 10px;
    font-family: Arial, sans-serif;
    font-size: 0.84em;
  }
  .mini-compare th,
  .mini-compare td {
    border: 1px solid #d1e0e6;
    padding: 8px;
    text-align: left;
  }
  .mini-compare th {
    background: #0b4f68;
    color: #fff;
  }
  .mini-compare tr:nth-child(even) td { background: #f1f8fb; }
  .kpi-strip {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 10px;
    margin: 14px 0 6px;
  }
  .kpi-strip .kpi {
    background: linear-gradient(160deg, #0a6e8c, #1f9fa5);
    color: #fff;
    border-radius: 7px;
    padding: 10px 12px;
    text-align: center;
  }
  .kpi-strip .kpi strong {
    display: block;
    font-size: 1.35em;
    line-height: 1.1;
    font-family: Arial, sans-serif;
  }
  .kpi-strip .kpi span {
    font-size: 0.77em;
    opacity: 0.92;
    font-family: Arial, sans-serif;
  }
  .table-meter {
    display: flex;
    align-items: center;
    gap: 8px;
    min-width: 140px;
  }
  .table-meter .meter-label {
    min-width: 56px;
    font-size: 0.86em;
    color: #2a4853;
    font-family: Arial, sans-serif;
  }
  .table-meter .meter {
    height: 9px;
    border-radius: 999px;
    flex: 1;
    background: #d6e8ef;
    overflow: hidden;
    border: 1px solid #bdd7e1;
  }
  .table-meter .meter > span {
    display: block;
    height: 100%;
    background: linear-gradient(90deg, #0a6e8c, #35b0ab);
  }
  .data-table td.heat-low { background: #f5fcff !important; }
  .data-table td.heat-mid { background: #eaf7ff !important; }
  .data-table td.heat-high { background: #dff2ff !important; }
  .trend-note {
    margin-top: 8px;
    color: #355865;
    font-size: 0.85em;
    font-family: Arial, sans-serif;
  }
  .solution-eval-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 12px;
    margin: 14px 0 18px;
  }
  .solution-card {
    background: #f7fbfd;
    border: 1px solid #cfe3ea;
    border-radius: 8px;
    padding: 12px;
  }
  .solution-card h4 {
    margin: 0 0 8px 0;
    color: #0b4f68;
    font-style: normal;
    font-size: 0.98em;
  }
  .pc-label {
    display: inline-block;
    font-size: 0.75em;
    font-weight: bold;
    font-family: Arial, sans-serif;
    border-radius: 999px;
    padding: 2px 8px;
    margin: 6px 0;
  }
  .pc-label.pro { background: #dff4ea; color: #13613d; }
  .pc-label.con { background: #fde7e4; color: #8a2e24; }
  .solution-card ul {
    margin: 6px 0 8px 18px;
    font-size: 0.9em;
  }
  .priority-badge {
    display: inline-block;
    border-radius: 999px;
    padding: 2px 8px;
    font-family: Arial, sans-serif;
    font-size: 0.74em;
    font-weight: bold;
    letter-spacing: 0.2px;
  }
  .priority-badge.p1 { background: #ffd9d5; color: #8c2419; }
  .priority-badge.p2 { background: #fff1d8; color: #8b5b00; }
  .priority-badge.p3 { background: #dff0ff; color: #0e4773; }
  .formula-note {
    margin: 8px 0 10px;
    font-size: 0.86em;
    color: #355865;
    font-family: Arial, sans-serif;
  }
  .score-chip {
    display: inline-block;
    min-width: 52px;
    text-align: center;
    padding: 3px 8px;
    border-radius: 999px;
    font-family: Arial, sans-serif;
    font-size: 0.78em;
    font-weight: bold;
    color: #fff;
    background: #607d8b;
  }
  .score-chip.high { background: #177245; }
  .score-chip.mid { background: #a06a00; }
  .score-chip.low { background: #8a2e24; }
  .rank-chip {
    display: inline-block;
    min-width: 38px;
    text-align: center;
    padding: 3px 7px;
    border-radius: 999px;
    font-family: Arial, sans-serif;
    font-size: 0.76em;
    font-weight: bold;
    color: #0e4773;
    background: #dff0ff;
  }

  /* ── Footer ── */
  footer {
    background: #012d45;
    color: #cfe4ec;
    text-align: center;
    padding: 40px 20px;
    font-size: 0.9em;
    font-family: Arial, sans-serif;
  }
  footer p { margin-bottom: 6px; }
  footer .sources {
    max-width: 700px;
    margin: 20px auto 0;
    text-align: left;
    font-size: 0.82em;
    color: #8ab5c8;
    line-height: 1.6;
  }

  @media (max-width: 680px) {
    section { padding: 22px 18px; }
    .compare-grid { grid-template-columns: 1fr; }
    .viz-grid { grid-template-columns: 1fr; }
    .solution-eval-grid { grid-template-columns: 1fr; }
    .kpi-strip { grid-template-columns: 1fr 1fr; }
    .flow-schema {
      grid-template-columns: 1fr;
      gap: 8px;
    }
    .flow-schema .node::after {
      content: '↓';
      top: auto;
      right: 50%;
      bottom: -14px;
      transform: translateX(50%);
    }
    .flow-schema .node:last-child::after { content: ''; }
    .hero-stat .num { font-size: 1.5em; }
    nav ul li a { padding: 10px 8px; font-size: 0.75em; }
    .data-table { font-size: 0.80em; }
    .data-table th, .data-table td { padding: 7px 8px; }
  }