:root {
      --brand: #2ea1d7;
      --brand-dark: #0576ac;
      --ink: #18313d;
      --muted: #5c6f78;
      --surface: #fff;
      --surface-soft: #f3f8fb;
      --border: #d9e6ec;
      --shadow: 0 12px 32px rgb(18 65 87 / 12%);
      --radius: 14px;
      --content: 1100px;
    }
    *, *::before, *::after { box-sizing: border-box; }
    html { color-scheme: light; scroll-behavior: smooth; }
    body { margin: 0; background: #edf4f7; color: var(--ink); font: 400 16px/1.5 Arial, Helvetica, sans-serif; }
    img { display: block; max-width: 100%; height: auto; }
    a { color: var(--brand-dark); }
    button, input { font: inherit; }
    button, a { -webkit-tap-highlight-color: transparent; }
    .skip-link { position: fixed; top: 8px; left: 8px; z-index: 100; padding: 10px 14px; background: #fff; transform: translateY(-150%); }
    .skip-link:focus { transform: translateY(0); }
    .site-shell { width: min(100% - 28px, var(--content)); margin: 22px auto; overflow: hidden; background: var(--surface); border-radius: 18px; box-shadow: var(--shadow); }
    .site-header { padding: 16px 24px; border-bottom: 1px solid var(--border); }
    .header-row { display: flex; align-items: center; gap: 18px; min-height: 72px; }
    .logo { width: 350px; max-width: 42%; min-height: 72px; background: url('/files/ArkasYML_tr/static/anamenu/logo.png') left center / contain no-repeat; }
    .header-actions { display: flex; align-items: center; justify-content: flex-end; gap: 10px; margin-left: auto; flex-wrap: wrap; }
    .search-form { display: flex; overflow: hidden; border: 1px solid var(--border); border-radius: 999px; background: #fff; }
    .search-form input { width: 170px; min-width: 0; border: 0; padding: 9px 12px; color: var(--ink); outline: 0; }
    .search-form:focus-within { outline: 3px solid rgb(46 161 215 / 25%); border-color: var(--brand); }
    .search-form button, .icon-link { min-height: 38px; border: 0; padding: 8px 12px; background: var(--brand); color: #fff; text-decoration: none; cursor: pointer; }
    .icon-link { display: inline-flex; align-items: center; border-radius: 999px; }
    .icon-link.secondary { background: var(--surface-soft); color: var(--brand-dark); border: 1px solid var(--border); }
    .primary-nav { background: linear-gradient(135deg, var(--brand-dark), var(--brand)); }
    .primary-nav ul { display: flex; margin: 0; padding: 0; list-style: none; }
    .primary-nav > ul > li { position: relative; flex: 1; }
    .primary-nav a, .nav-toggle { display: flex; align-items: center; justify-content: center; width: 100%; min-height: 56px; padding: 10px 14px; border: 0; background: transparent; color: #fff; font-weight: 700; text-align: center; text-decoration: none; cursor: pointer; }
    .primary-nav a:hover, .primary-nav a:focus-visible, .nav-toggle:hover, .nav-toggle:focus-visible, .primary-nav li.open > .nav-toggle { background: rgb(0 0 0 / 15%); outline: none; }
    .submenu { position: absolute; z-index: 20; top: 100%; left: 0; display: none !important; width: min(340px, 90vw); padding: 8px !important; background: #fff; border: 1px solid var(--border); border-radius: 0 0 12px 12px; box-shadow: var(--shadow); }
    li.open > .submenu { display: block !important; }
    .submenu a { min-height: 42px; justify-content: flex-start; padding: 9px 12px; border-radius: 8px; color: var(--ink); font-weight: 400; text-align: left; }
    .submenu a:hover, .submenu a:focus-visible { color: var(--brand-dark); background: var(--surface-soft); }
    .mobile-menu-button { display: none; width: 100%; padding: 13px 18px; border: 0; background: var(--brand-dark); color: #fff; font-weight: 700; text-align: left; cursor: pointer; }
    main { padding: 26px 24px 30px; }
    .ship-menu { position: relative; height: 324px; margin-bottom: 18px; overflow: hidden; background: #d9edf7; }
    .ship-menu-list { display: grid; grid-template-columns: repeat(5, 1fr); height: 100%; margin: 0; padding: 0; list-style: none; }
    .ship-menu-item { min-width: 0; height: 100%; }
    .ship-menu-link {
      display: block; width: 100%; height: 100%; border: 0; padding: 0;
      background-repeat: no-repeat; background-position: center top; background-size: cover;
      color: transparent; font-size: 0; cursor: pointer;
    }
    .ship-menu-link:focus-visible { position: relative; z-index: 2; outline: 4px solid #f7c948; outline-offset: -4px; }
    .ship-menu-link.is-loading { background-color: #cce7f4; }
    .ship-menu-fallback {
      display: none; align-items: center; justify-content: center; height: 100%; padding: 14px;
      color: #fff; background: linear-gradient(180deg, #4ba8d1, #167cac); font-size: 1rem;
      font-weight: 700; text-align: center;
    }
    .quick-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 18px; align-items: stretch; }
    .inco-grid { display: grid; grid-template-columns: 1fr ; gap: 18px; align-items: stretch; }
    .customer-grid { display: grid; grid-template-columns: 1fr 1fr ; gap: 18px; align-items: stretch; }
    .bl-grid { display: grid; grid-template-columns: 1fr 1fr ; gap: 18px; align-items: stretch; }
    .card { overflow: hidden; min-width: 0; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
    .card { overflow: hidden; min-width: 0; border: 1px solid var(--border); border-radius: var(--radius); background: #fff; }
    .card h2 { margin: 0; padding: 12px 15px; color: var(--brand-dark); font-size: 1rem; letter-spacing: .02em; }
    .promo-link { display: block; padding: 0 14px 14px; }
    .promo-link img { width: 100%; height: 140px; object-fit: cover; border-radius: 9px; }
    .promo-link-bl img { width: 100%; height: 480px; object-fit: cover; border-radius: 9px; }
    .news-card { position: relative; background: linear-gradient(180deg, #fff, var(--surface-soft)); }
    .news-header { display: flex; align-items: center; justify-content: space-between; padding-right: 10px; }
    .news-header h2 a { text-decoration: none; }
    .ticker-controls { display: flex; gap: 6px; }
    .ticker-button { width: 34px; height: 34px; border: 1px solid var(--border); border-radius: 50%; background: #fff; color: var(--brand-dark); cursor: pointer; }
    .ticker-button:hover, .ticker-button:focus-visible { color: #fff; background: var(--brand); outline: none; }
    .news-ticker { min-height: 120px; overflow: hidden; }
    .news-ticker ul { margin: 0; padding: 0; list-style: none; }
    .news-ticker li { display: none; padding: 0 14px 14px; }
    .news-ticker li:first-child { display: block; }
    .news-item { display: grid; grid-template-columns: 138px 1fr; gap: 14px; align-items: center; }
    .news-item img { width: 138px; height: 98px; object-fit: cover; border-radius: 9px; }
    .news-item p { margin: 0; }
    .news-item a { color: var(--ink); text-decoration: none; }
    .news-item a:hover { color: var(--brand-dark); text-decoration: underline; }
    .news-more { display: inline-block; margin-top: 7px; color: var(--brand-dark) !important; font-weight: 700; }
    .site-footer { color: #fff; background: #18313d; }
    .footer-brand { min-height: 30px; background: #fff url('/static/Company/images/arkasYMLBottom.jpg') center / auto 30px no-repeat; }
    .footer-content { display: grid; grid-template-columns: 1fr auto; gap: 20px; align-items: center; width: min(100% - 36px, 970px); margin: auto; padding: 18px 0; font-size: .82rem; }
    .footer-content p { margin: 0; text-align: center; }
    .footer-content a { color: #fff; }
    .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
    :focus-visible { outline: 3px solid #f7c948; outline-offset: 2px; }
    @media (max-width: 850px) {
      .site-shell { width: min(100% - 16px, var(--content)); margin: 8px auto; border-radius: 12px; }
      .header-row { align-items: flex-start; flex-direction: column; }
      .logo { width: 100%; max-width: 350px; }
      .header-actions { width: 100%; margin-left: 0; justify-content: flex-start; }
      .mobile-menu-button { display: block; }
      .primary-nav > ul { display: none; flex-direction: column; }
      .primary-nav.menu-open > ul { display: flex; }
      .primary-nav > ul > li { flex: none; }
      .primary-nav a, .nav-toggle { justify-content: flex-start; text-align: left; }
      .submenu { position: static; width: 100%; border: 0; border-radius: 0; box-shadow: none; }
      .ship-menu { height: auto; background: transparent; }
      .ship-menu-list { grid-template-columns: 1fr; height: auto; gap: 1px; }
      .ship-menu-item { height: 100px; }
      .ship-menu-link { background-size: cover; }
      .quick-grid { grid-template-columns: 1fr; }
      .footer-content { grid-template-columns: 1fr; }
    }
    @media (max-width: 500px) {
      .site-header, main { padding-left: 14px; padding-right: 14px; }
      .header-actions, .search-form { width: 100%; }
      .search-form input { flex: 1; width: auto; }
      .icon-link { flex: 1; justify-content: center; }
      .news-item { grid-template-columns: 1fr; }
      .news-item img { width: 100%; height: 150px; }
    }
    @media print {
      .header-actions, .primary-nav, .ticker-controls, .mobile-menu-button { display: none !important; }
      body, .site-shell { background: #fff; box-shadow: none; }
      .site-shell { width: 100%; margin: 0; }
      .news-ticker li { display: block !important; break-inside: avoid; }
    }
    @media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }



    :root {
  --color-page-bg: #f8fafc;
  --color-card-bg: #ffffff;
  --color-heading: #0f172a;
  --color-title: #1e293b;
  --color-text: #475569;
  --color-muted: #64748b;
  --color-border: #cbd5e1;

  --color-red: #ef4444;
  --color-rose: #e11d48;
  --color-green: #22c55e;
  --color-orange: #f59e0b;
  --color-dark-red: #dc2626;

  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-xl: 16px;

  --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.04);
}

/* Ana kapsayıcı */

.dangerous-goods {
  max-width: 1100px;
  margin: 0 auto;
  padding: 40px 20px;
  font-family: "Segoe UI", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background-color: var(--color-page-bg);
  border-radius: var(--radius-xl);
  box-sizing: border-box;
}

.dangerous-goods *,
.dangerous-goods *::before,
.dangerous-goods *::after {
  box-sizing: border-box;
}

/* Sayfa başlığı */

.dangerous-goods__header {
  margin-bottom: 50px;
  text-align: center;
}

.dangerous-goods__title {
  margin: 0 0 12px;
  color: var(--color-title);
  font-size: 2.4rem;
  font-weight: 800;
  letter-spacing: 1px;
  line-height: 1.2;
  text-transform: uppercase;
}

.dangerous-goods__separator {
  width: 80px;
  height: 5px;
  margin: 0 auto;
  background-color: var(--color-red);
  border-radius: 3px;
}

.dangerous-goods__description {
  margin: 15px 0 0;
  color: var(--color-muted);
  font-size: 1.05rem;
  line-height: 1.6;
}

/* Sınıf kartları */

.danger-card {
  --class-color: var(--color-red);

  margin-bottom: 35px;
  padding: 30px;
  background-color: var(--color-card-bg);
  border-left: 6px solid var(--class-color);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
}

.danger-card:last-child {
  margin-bottom: 0;
}

.danger-card--class-1 {
  --class-color: #ef4444;
}

.danger-card--class-2 {
  --class-color: #22c55e;
}

.danger-card--class-3 {
  --class-color: #e11d48;
}

.danger-card--class-4 {
  --class-color: #22c55e;
}

.danger-card--class-5 {
  --class-color: #f59e0b;
}

.danger-card--class-6 {
  --class-color: #dc2626;
}

.danger-card--class-7 {
  --class-color: #e11d48;
}

.danger-card--class-8 {
  --class-color: #e11d48;
}

.danger-card--class-9 {
  --class-color: #e11d48;
}

.danger-card__layout {
  display: flex;
  align-items: flex-start;
  gap: 24px;
}

.danger-card__identity {
  flex: 0 0 100px;
  text-align: center;
}

.danger-card__icon {
  width: 90px;
  height: 90px;
  object-fit: contain;
}

.danger-card__class-name {
  display: block;
  margin-top: 8px;
  color: var(--class-color);
  font-size: 1.1rem;
  font-weight: 800;
}

.danger-card__content {
  flex: 1;
  min-width: 0;
}

.danger-card__title {
  margin: 0 0 10px;
  color: var(--color-heading);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.3;
}

.danger-card__examples {
  margin: 0 0 15px;
  color: var(--color-text);
  font-size: 0.95rem;
  line-height: 1.6;
}

/* Genel emniyet kutuları */

.safety-box {
  margin-bottom: 15px;
  padding: 12px 16px;
  border: 1px solid;
  border-radius: var(--radius-md);
}

.safety-box:last-child {
  margin-bottom: 0;
}

.safety-box--red {
  background-color: #fef2f2;
  border-color: #fee2e2;
}

.safety-box--rose {
  background-color: #fff1f2;
  border-color: #ffe4e6;
}

.safety-box--green {
  background-color: #f0fdf4;
  border-color: #dcfce7;
}

.safety-box--orange {
  background-color: #fff7ed;
  border-color: #fed7aa;
}

.safety-box__title {
  display: block;
  margin-bottom: 4px;
  font-size: 0.85rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.safety-box--red .safety-box__title {
  color: #991b1b;
}

.safety-box--red .safety-box__content {
  color: #b91c1c;
}

.safety-box--rose .safety-box__title {
  color: #9f1239;
}

.safety-box--rose .safety-box__content {
  color: #be123c;
}

.safety-box--green .safety-box__title {
  color: #166534;
}

.safety-box--green .safety-box__content {
  color: #15803d;
}

.safety-box--orange .safety-box__title {
  color: #c2410c;
}

.safety-box--orange .safety-box__content {
  color: #ea580c;
}

.safety-box__content {
  margin: 0;
  padding-left: 19px;
  font-size: 0.9rem;
  line-height: 1.5;
}

.safety-box__content li + li {
  margin-top: 3px;
}

/* Alt sınıflar */

.subclass-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.subclass-card {
  padding: 15px;
  background-color: #f8fafc;
  border-radius: var(--radius-md);
}

.subclass-card--with-icon {
  display: flex;
  align-items: flex-start;
  gap: 15px;
}

.subclass-card__icon {
  flex: 0 0 auto;
  width: 45px;
  height: 45px;
  object-fit: contain;
}

.subclass-card__content {
  flex: 1;
  min-width: 0;
}

.subclass-card__title {
  display: block;
  margin-bottom: 4px;
  color: var(--color-title);
  font-size: 1rem;
  line-height: 1.4;
}

.subclass-card__description {
  display: block;
  margin: 0;
  color: var(--color-muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.subclass-card .safety-box {
  margin-top: 10px;
}

/* Sınıf 1 alt kodları */

.code-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 12px;
  margin-top: 15px;
}

.code-grid__item {
  padding: 10px 14px;
  color: #334155;
  font-size: 0.88rem;
  line-height: 1.5;
  background-color: #f8fafc;
  border-left: 3px solid var(--color-border);
  border-radius: var(--radius-sm);
}

/* Erişilebilirlik */

.danger-card__icon,
.subclass-card__icon {
  vertical-align: middle;
}

/* Tablet */

@media (max-width: 768px) {
  .dangerous-goods {
    padding: 30px 16px;
  }

  .dangerous-goods__header {
    margin-bottom: 35px;
  }

  .dangerous-goods__title {
    font-size: 1.8rem;
  }

  .danger-card {
    padding: 22px;
  }

  .danger-card__layout {
    gap: 18px;
  }
}

/* Mobil */

@media (max-width: 576px) {
  .dangerous-goods {
    padding: 24px 12px;
    border-radius: var(--radius-lg);
  }

  .dangerous-goods__title {
    font-size: 1.5rem;
  }

  .dangerous-goods__description {
    font-size: 0.95rem;
  }

  .danger-card {
    padding: 20px 16px;
  }

  .danger-card__layout {
    flex-direction: column;
  }

  .danger-card__identity {
    display: flex;
    flex: none;
    align-items: center;
    gap: 14px;
    width: 100%;
    text-align: left;
  }

  .danger-card__icon {
    width: 70px;
    height: 70px;
  }

  .danger-card__class-name {
    margin-top: 0;
  }

  .danger-card__title {
    font-size: 1.25rem;
  }

  .subclass-card--with-icon {
    align-items: flex-start;
  }

  .code-grid {
    grid-template-columns: 1fr;
  }
}

.intro-text {
            background-color: var(--card-bg);
            padding: 20px;
            border-radius: 8px;
            margin-bottom: 30px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            border-left: 5px solid #718096;
        }

        .group-title {
            margin-top: 40px;
            margin-bottom: 20px;
            font-size: 1.6rem;
            padding-bottom: 8px;
            border-bottom: 3px solid #cbd5e1;
        }

        .group-e { color: var(--primary-e); border-color: var(--primary-e); }
        .group-f { color: var(--primary-f); border-color: var(--primary-f); }
        .group-c { color: var(--primary-c); border-color: var(--primary-c); }
        .group-d { color: var(--primary-d); border-color: var(--primary-d); }

        .card {
            background-color: var(--card-bg);
            border-radius: 8px;
            padding: 25px;
            margin-bottom: 25px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.05);
            border: 1px solid var(--border-color);
            transition: transform 0.2s;
        }

        .card:hover {
            transform: translateY(-2px);
        }

        .card-header {
            font-size: 1.3rem;
            font-weight: bold;
            margin-bottom: 15px;
            display: flex;
            align-items: center;
        }

        .card-header::before {
            content: "•";
            margin-right: 10px;
            font-size: 1.8rem;
        }

        .card-e .card-header { color: var(--primary-e); }
        .card-f .card-header { color: var(--primary-f); }
        .card-c .card-header { color: var(--primary-c); }
        .card-d .card-header { color: var(--primary-d); }

        ul {
            margin: 0 0 20px 0;
            padding-left: 20px;
        }

        li {
            margin-bottom: 8px;
        }

        .section-divider {
            border: 0;
            height: 1px;
            background: var(--border-color);
            margin: 15px 0;
        }

        .meta-box {
            background-color: var(--accent-bg);
            border-left: 4px solid #4a5568;
            padding: 12px 15px;
            margin-bottom: 10px;
            border-radius: 0 4px 4px 0;
            font-size: 0.95rem;
        }

        .card-e .meta-box { border-left-color: var(--primary-e); }
        .card-f .meta-box { border-left-color: var(--primary-f); }
        .card-c .meta-box { border-left-color: var(--primary-c); }
        .card-d .meta-box { border-left-color: var(--primary-d); }

        .meta-label {
            font-weight: bold;
        }

                .faq-item {
            background-color: var(--card-bg);
            border: 1px solid var(--border-color);
            border-radius: 8px;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
        }

        /* HTML Detay/Özet Etiket Stilleri */
        details {
            width: 100%;
        }

        summary {
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 24px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            -webkit-user-select: none ;
            user-select: none ;
            transition: background-color 0.2s ease;
        }

        summary:hover {
            background-color: #f1f5f9;
            color: var(--primary-color);
        }

        /* Standart ok simgesi gizleme ve özel simge ekleme */
        summary::-webkit-details-marker {
            display: none;
        }

        summary::after {
            content: "+";
            font-size: 1.5rem;
            font-weight: 400;
            color: var(--text-muted);
            transition: transform 0.2s ease;
        }

        details[open] summary {
            background-color: #f8fafc;
            border-bottom: 1px solid var(--border-color);
            color: var(--primary-color);
        }

        details[open] summary::after {
            content: "−";
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 18px 24px;
            color: var(--text-muted);
            font-size: 1rem;
            background-color: #ffffff;
        }