:root {
      --ink: #12263a;
      --muted: #5f7184;
      --blue: #0c4d78;
      --blue-dark: #073451;
      --blue-soft: #eaf3f8;
      --line: #d8e3ec;
      --paper: #ffffff;
      --cream: #f5f8fb;
      --accent: #9bc6d8;
      --accent-dark: #257a9c;
      --shadow: 0 18px 50px rgba(15, 52, 79, .10);
    }

    * { box-sizing: border-box; }

    html { scroll-behavior: smooth; }

    body {
      margin: 0;
      background: var(--cream);
      color: var(--ink);
      font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
      line-height: 1.72;
    }

    a {
      color: var(--accent-dark);
      text-decoration-thickness: 1px;
      text-underline-offset: 3px;
    }

    .page {
      max-width: 1180px;
      margin: 0 auto;
      padding: 32px 22px 80px;
    }

    .hero {
      position: relative;
      overflow: hidden;
      display: grid;
      grid-template-columns: minmax(0, 1.45fr) minmax(260px, .55fr);
      gap: 34px;
      min-height: 420px;
      padding: clamp(32px, 6vw, 76px);
      background:
        radial-gradient(circle at 92% 8%, rgba(155, 198, 216, .46), transparent 24%),
        linear-gradient(135deg, #073451 0%, #0c4d78 58%, #2c7898 100%);
      color: #fff;
      box-shadow: var(--shadow);
    }

    .hero::after {
      content: "";
      position: absolute;
      right: -110px;
      bottom: -150px;
      width: 410px;
      height: 410px;
      border: 1px solid rgba(255,255,255,.25);
      border-radius: 50%;
      box-shadow: 0 0 0 34px rgba(255,255,255,.05), 0 0 0 68px rgba(255,255,255,.04);
    }

    .eyebrow {
      position: relative;
      z-index: 1;
      display: inline-flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 20px;
      color: #d8eef6;
      font-size: .78rem;
      font-weight: 800;
      letter-spacing: .14em;
      text-transform: uppercase;
    }

    .eyebrow::before {
      content: "";
      width: 34px;
      height: 2px;
      background: var(--accent);
    }

    h1, h2, h3 {
      margin: 0;
      color: var(--ink);
      line-height: 1.16;
      letter-spacing: -.025em;
    }

    .hero h1 {
      position: relative;
      z-index: 1;
      max-width: 850px;
      color: #fff;
      font-size: clamp(2.1rem, 5vw, 4.7rem);
      font-weight: 800;
    }

    .hero-lead {
      position: relative;
      z-index: 1;
      max-width: 730px;
      margin: 24px 0 0;
      color: #e4f0f6;
      font-size: clamp(1rem, 1.7vw, 1.2rem);
    }

    .hero-side {
      position: relative;
      z-index: 1;
      align-self: end;
      padding: 20px 0 4px 24px;
      border-left: 1px solid rgba(255,255,255,.35);
    }

    .hero-side strong {
      display: block;
      margin-bottom: 8px;
      color: #fff;
      font-size: 1.05rem;
    }

    .hero-side span {
      display: block;
      color: #d8eef6;
      font-size: .92rem;
    }

    .article {
      max-width: 960px;
      margin: 0 auto;
    }

    .article-intro {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin: 28px 0;
    }

    .answer,
    .note {
      padding: 24px 26px;
      background: var(--paper);
      border: 1px solid var(--line);
      box-shadow: 0 8px 24px rgba(15, 52, 79, .05);
    }

    .answer {
      border-left: 5px solid var(--accent-dark);
    }

    .answer strong,
    .note strong {
      display: block;
      margin-bottom: 8px;
      color: var(--blue);
      font-size: .83rem;
      letter-spacing: .08em;
      text-transform: uppercase;
    }

    .section {
      margin: 54px 0 0;
    }

    .section-heading {
      display: flex;
      align-items: baseline;
      gap: 16px;
      margin-bottom: 18px;
      padding-bottom: 12px;
      border-bottom: 1px solid var(--line);
    }

    .section-number {
      color: var(--accent-dark);
      font-size: .9rem;
      font-weight: 800;
      letter-spacing: .12em;
    }

    h2 { font-size: clamp(1.55rem, 3vw, 2.35rem); }
    h3 { margin-top: 25px; font-size: 1.18rem; }

    p { margin: 0 0 16px; }

    .lead {
      color: var(--muted);
      font-size: 1.08rem;
    }

    .check-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 12px;
      margin: 24px 0;
    }

    .check {
      min-height: 150px;
      padding: 18px;
      background: var(--blue-dark);
      color: #fff;
    }

    .check-number {
      display: block;
      margin-bottom: 28px;
      color: var(--accent);
      font-size: .8rem;
      font-weight: 800;
      letter-spacing: .12em;
    }

    .check strong {
      display: block;
      margin-bottom: 6px;
      font-size: 1rem;
    }

    .check span {
      color: #d5e8f0;
      font-size: .87rem;
      line-height: 1.45;
    }

    .room-table {
      width: 100%;
      border-collapse: collapse;
      margin: 22px 0;
      background: var(--paper);
      border: 1px solid var(--line);
    }

    .room-table th,
    .room-table td {
      padding: 16px 18px;
      border-bottom: 1px solid var(--line);
      text-align: left;
      vertical-align: top;
    }

    .room-table th {
      background: var(--blue-dark);
      color: #fff;
      font-size: .88rem;
      letter-spacing: .03em;
    }

    .room-table tr:last-child td { border-bottom: 0; }

    .room-table td:first-child {
      width: 24%;
      color: var(--blue);
      font-weight: 750;
    }

    .split {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 22px;
      margin: 22px 0;
    }

    .panel {
      padding: 26px;
      background: var(--paper);
      border-top: 4px solid var(--accent-dark);
      box-shadow: 0 8px 24px rgba(15, 52, 79, .05);
    }

    .panel h3 { margin-top: 0; }

    ul, ol {
      margin: 12px 0 0;
      padding-left: 1.3rem;
    }

    li { margin: 7px 0; }

    .filter-line {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 10px;
      margin: 24px 0;
    }

    .filter-step {
      position: relative;
      min-height: 116px;
      padding: 18px;
      background: var(--blue-soft);
      border: 1px solid #c9dce7;
    }

    .filter-step:not(:last-child)::after {
      content: "→";
      position: absolute;
      top: 40px;
      right: -15px;
      z-index: 2;
      color: var(--accent-dark);
      font-size: 1.3rem;
      font-weight: 800;
    }

    .filter-step strong {
      display: block;
      margin-bottom: 6px;
      color: var(--blue);
    }

    .filter-step span {
      display: block;
      color: var(--muted);
      font-size: .88rem;
      line-height: 1.45;
    }

    .timeline {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin: 24px 0;
    }

    .timeline-item {
      padding: 22px;
      background: #fff;
      border-left: 3px solid var(--accent-dark);
    }

    .timeline-item strong {
      display: block;
      margin-bottom: 9px;
      color: var(--blue);
    }

    .timeline-item span {
      color: var(--muted);
      font-size: .92rem;
    }

    .cta {
      display: grid;
      grid-template-columns: 1fr auto;
      align-items: center;
      gap: 24px;
      margin: 52px 0 0;
      padding: 30px 32px;
      background: var(--blue-dark);
      color: #fff;
    }

    .cta h2 { color: #fff; font-size: 1.55rem; }
    .cta p { margin: 8px 0 0; color: #d8eef6; }

    .cta a {
      display: inline-block;
      padding: 13px 18px;
      background: var(--accent);
      color: var(--blue-dark);
      font-weight: 800;
      text-decoration: none;
      white-space: nowrap;
    }

    .faq {
      margin-top: 16px;
      border-top: 1px solid var(--line);
    }

    details {
      padding: 17px 0;
      border-bottom: 1px solid var(--line);
    }

    summary {
      cursor: pointer;
      color: var(--blue);
      font-weight: 800;
    }

    details p {
      margin: 10px 0 0;
      color: var(--muted);
    }

    .disclaimer {
      margin-top: 32px;
      padding: 18px 20px;
      color: var(--muted);
      background: #edf2f5;
      border-left: 3px solid #9aaebc;
      font-size: .9rem;
    }

    .article-footer {
      margin-top: 34px;
      color: var(--muted);
      font-size: .86rem;
    }

    @media (max-width: 800px) {
      .hero,
      .article-intro,
      .split,
      .cta { grid-template-columns: 1fr; }
      .hero-side { padding: 18px 0 0; border-top: 1px solid rgba(255,255,255,.35); border-left: 0; }
      .check-grid,
      .filter-line,
      .timeline { grid-template-columns: 1fr 1fr; }
      .filter-step:not(:last-child)::after { display: none; }
      .cta a { justify-self: start; }
    }

    @media (max-width: 540px) {
      .page { padding: 14px 12px 52px; }
      .hero { min-height: auto; padding: 34px 24px; }
      .check-grid,
      .filter-line,
      .timeline { grid-template-columns: 1fr; }
      .room-table { display: block; overflow-x: auto; }
      .room-table th,
      .room-table td { min-width: 190px; }
      .cta { padding: 24px; }
    }