/* Self-hosted Google Fonts — Latin + Latin-ext only */
/* Inter 400 */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 400;
  font-display: swap;
  src: url(/fonts/inter-400.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* Inter 500 */
@font-face {
  font-family: 'Inter';
  font-style: normal;
  font-weight: 500;
  font-display: swap;
  src: url(/fonts/inter-500.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* Montserrat 600 */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 600;
  font-display: swap;
  src: url(/fonts/montserrat-600.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* Montserrat 700 */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 700;
  font-display: swap;
  src: url(/fonts/montserrat-700.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}
/* Montserrat 800 */
@font-face {
  font-family: 'Montserrat';
  font-style: normal;
  font-weight: 800;
  font-display: swap;
  src: url(/fonts/montserrat-800.woff2) format('woff2');
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

    /* RING GAUGE */
    .ring-gauge-bg { fill: none; stroke: rgba(30,86,181,0.12); }
    .ring-gauge-fill {
      fill: none;
      stroke-linecap: round;
      transition: stroke-dashoffset 1.8s cubic-bezier(0.16,1,0.3,1);
    }
  
    @keyframes dash { to { stroke-dashoffset: -24; } }
    @keyframes glow-pulse { 0%, 100% { opacity: 0.5; transform: scale(1); } 50% { opacity: 1; transform: scale(1.3); } }
    @keyframes spin-cw { to { transform: rotate(360deg); } }
    @keyframes spin-ccw { to { transform: rotate(-360deg); } }
    @keyframes bubble-rise { 0% { transform: translateY(0); opacity: 0.7; } 100% { transform: translateY(-40px); opacity: 0; } }
    @keyframes shield-draw { to { stroke-dashoffset: 0; } }
    @keyframes check-draw { to { stroke-dashoffset: 0; } }
    .flow-line { stroke-dasharray: 8 4; animation: dash 1.5s linear infinite; }
    .glow-node { animation: glow-pulse 2.5s ease-in-out infinite; }

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; overflow-x: hidden; overflow-y: scroll; }
    body {
      font-family: 'Inter', sans-serif;
      background: #ffffff;
      color: #0D1B3E;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      line-height: 1.7;
    }
    h1, h2, h3, h4, h5 {
      font-family: 'Montserrat', sans-serif;
      letter-spacing: -0.03em;
      line-height: 1.13;
    }
    p, li, span, a, label, input, button, select, textarea, small {
      font-family: 'Inter', sans-serif;
      line-height: 1.7;
    }

    /* Grain texture */
    .grain { position: relative; }
    .grain::after {
      content: '';
      position: absolute;
      inset: 0;
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='g'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.65' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23g)' opacity='0.04'/%3E%3C/svg%3E");
      pointer-events: none;
      z-index: 2;
    }

    /* Hero background */
    .hero-bg {
      background:
        radial-gradient(ellipse 110% 60% at 55% -5%,  rgba(30, 86, 181, 0.30) 0%, transparent 62%),
        radial-gradient(ellipse 55%  55% at 95% 45%,  rgba(77,174, 229, 0.14) 0%, transparent 58%),
        radial-gradient(ellipse 65%  70% at  0% 100%, rgba(13, 27,  62, 0.25) 0%, transparent 60%),
        linear-gradient(160deg, #04091a 0%, #0D1B3E 50%, #122244 100%);
    }
    /* HERO MOUSE SPOTLIGHT */
    .hero-spotlight {
      position: absolute; inset: 0; pointer-events: none; z-index: 1;
      background: radial-gradient(600px circle at var(--mx, 50%) var(--my, 30%), rgba(77,174,229,0.08), transparent 60%);
    }

    /* Nav */
    .nav-blur {
      backdrop-filter: blur(20px) saturate(160%);
      -webkit-backdrop-filter: blur(20px) saturate(160%);
    }
    .nav-link {
      font-family: 'Inter', sans-serif;
      font-size: 0.875rem;
      font-weight: 500;
      color: rgba(255,255,255,0.70);
      text-decoration: none;
      padding: 0.4rem 0.8rem;
      border-radius: 8px;
      transition: background 0.14s ease, color 0.14s ease;
    }
    .nav-link:hover       { color: #fff; background: rgba(255,255,255,0.09); }
    .nav-link:active      { background: rgba(255,255,255,0.15); }
    .nav-link:focus-visible { outline: 2px solid #4DAEE5; outline-offset: 2px; }

    /* Buttons */
    .btn-primary {
      display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
      padding: 0.875rem 2rem;
      background: linear-gradient(135deg, #1E56B5 0%, #1A3462 100%);
      color: #fff;
      font-family: 'Montserrat', sans-serif; font-weight: 700; font-size: 0.9rem; letter-spacing: 0.005em;
      border-radius: 10px; border: none; cursor: pointer; text-decoration: none; white-space: nowrap;
      box-shadow: 0 4px 14px rgba(30,86,181,0.38), 0 1px 3px rgba(0,0,0,0.22);
      transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1), box-shadow 0.2s ease, opacity 0.15s ease;
    }
    .btn-primary:hover       { transform: translateY(-2px) scale(1.025); box-shadow: 0 8px 24px rgba(30,86,181,0.48), 0 2px 6px rgba(0,0,0,0.28); }
    .btn-primary:active      { transform: translateY(0) scale(0.98); opacity: 0.92; }
    .btn-primary:focus-visible { outline: 2px solid #4DAEE5; outline-offset: 3px; }
    @media(max-width:639px){header .btn-primary,header .lang-toggle,header #dark-toggle{display:none!important}}
    #mob-menu{max-height:0;overflow:hidden;opacity:0;transition:max-height 0.3s cubic-bezier(0.16,1,0.3,1),opacity 0.22s ease}
    #mob-menu.open{max-height:420px;opacity:1}

    .btn-outline {
      display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
      padding: 0.875rem 1.875rem;
      background: transparent;
      color: #fff;
      font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 0.9rem;
      border-radius: 10px; border: 1.5px solid rgba(255,255,255,0.22); cursor: pointer; text-decoration: none; white-space: nowrap;
      transition: transform 0.2s cubic-bezier(0.34,1.56,0.64,1), background 0.14s ease, border-color 0.14s ease;
    }
    .btn-outline:hover       { background: rgba(255,255,255,0.10); border-color: rgba(255,255,255,0.40); transform: translateY(-1px); }
    .btn-outline:active      { transform: translateY(0); background: rgba(255,255,255,0.05); }
    .btn-outline:focus-visible { outline: 2px solid #4DAEE5; outline-offset: 3px; }

    /* Card shadows */
    .card-z1 {
      box-shadow:
        0 1px 2px rgba(13,27,62,0.06),
        0 4px 8px rgba(13,27,62,0.06),
        0 0 0 1px rgba(30,86,181,0.06) inset;
    }
    .card-z2 {
      box-shadow:
        0 2px 4px rgba(13,27,62,0.07),
        0 8px 18px rgba(13,27,62,0.08),
        0 24px 40px rgba(13,27,62,0.05),
        0 0 0 1px rgba(30,86,181,0.08) inset;
    }
    .card-hover {
      transition: transform 0.22s cubic-bezier(0.16,1,0.3,1), box-shadow 0.22s ease;
    }
    .card-hover:hover {
      transform: translateY(-5px);
      box-shadow:
        0 4px 8px rgba(13,27,62,0.10),
        0 16px 32px rgba(30,86,181,0.12),
        0 32px 56px rgba(13,27,62,0.09),
        0 0 0 1px rgba(30,86,181,0.15) inset;
    }

    /* Badge */
    .badge {
      display: inline-flex; align-items: center; gap: 0.35rem;
      padding: 0.28rem 0.85rem;
      border-radius: 999px;
      background: rgba(30,86,181,0.09);
      border: 1px solid rgba(30,86,181,0.20);
      color: #1E56B5;
      font-family: 'Montserrat', sans-serif; font-size: 0.72rem; font-weight: 700;
      letter-spacing: 0.07em; text-transform: uppercase;
    }
    .badge-dark {
      background: rgba(77,174,229,0.13);
      border-color: rgba(77,174,229,0.30);
      color: #7ECEF5;
    }

    /* Section backgrounds */
    .bg-tinted {
      background:
        radial-gradient(ellipse 80% 60% at 90% 10%, rgba(30,86,181,0.055) 0%, transparent 60%),
        radial-gradient(ellipse 60% 60% at  5% 90%, rgba(77,174,229,0.04)  0%, transparent 55%),
        #f5f8fe;
    }

    /* Comparison table */
    .compare-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      border-radius: 12px;
      overflow: hidden;
      font-size: 0.88rem;
    }
    .compare-table th {
      font-family: 'Montserrat', sans-serif;
      font-weight: 700;
      font-size: 0.82rem;
      letter-spacing: 0.02em;
      text-transform: uppercase;
      padding: 1rem 1.25rem;
      text-align: left;
      border-bottom: 2px solid #dde5f4;
    }
    .compare-table td {
      padding: 0.85rem 1.25rem;
      border-bottom: 1px solid #edf2fb;
      color: #5a6e8c;
    }
    .compare-table tr:last-child td { border-bottom: none; }
    .compare-table .label-col {
      font-weight: 600;
      color: #0D1B3E;
      white-space: nowrap;
    }
    .compare-table .new-val {
      color: #1E56B5;
      font-weight: 700;
    }

    /* Timeline */
    .timeline-item {
      position: relative;
      padding-left: 2.5rem;
      padding-bottom: 2rem;
    }
    .timeline-item::before {
      content: '';
      position: absolute;
      left: 7px;
      top: 8px;
      bottom: 0;
      width: 2px;
      background: linear-gradient(180deg, #4DAEE5 0%, #dde5f4 100%);
    }
    .timeline-item:last-child::before { display: none; }
    .timeline-item::after {
      content: '';
      position: absolute;
      left: 0;
      top: 4px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: #1E56B5;
      border: 3px solid #EBF6FE;
      box-shadow: 0 0 0 2px #1E56B5;
    }
    .timeline-item.active::after {
      background: #4DAEE5;
      box-shadow: 0 0 0 2px #4DAEE5, 0 0 12px rgba(77,174,229,0.4);
    }

    /* FAQ accordion */
    .faq-item { border-bottom: 1px solid #dde5f4; }
    .faq-item:last-child { border-bottom: none; }
    .faq-btn {
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 1rem;
      padding: 1.25rem 0;
      background: none;
      border: none;
      cursor: pointer;
      text-align: left;
      font-family: 'Montserrat', sans-serif;
      font-weight: 700;
      font-size: 0.92rem;
      color: #0D1B3E;
      transition: color 0.14s ease;
    }
    .faq-btn:hover { color: #1E56B5; }
    .faq-btn:focus-visible { outline: 2px solid #4DAEE5; outline-offset: 2px; }
    .faq-btn:active { transform: scale(0.995); }
    .faq-btn svg {
      flex-shrink: 0;
      transition: transform 0.25s cubic-bezier(0.16,1,0.3,1);
    }
    .faq-item.open .faq-btn svg { transform: rotate(180deg); }
    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.35s cubic-bezier(0.16,1,0.3,1), opacity 0.25s ease;
      opacity: 0;
    }
    .faq-item.open .faq-answer {
      max-height: 400px;
      opacity: 1;
    }
    .faq-answer-inner {
      padding-bottom: 1.25rem;
      font-size: 0.88rem;
      color: #5a6e8c;
      line-height: 1.75;
    }

    /* Scrollbar */
    ::-webkit-scrollbar { width: 8px; }
    ::-webkit-scrollbar-track { background: transparent; }
    ::-webkit-scrollbar-thumb { background: rgba(77,174,229,0.38); border-radius: 999px; }
    ::-webkit-scrollbar-thumb:hover { background: rgba(77,174,229,0.55); }
    html { scrollbar-width: thin; scrollbar-color: rgba(77,174,229,0.38) transparent; }

    .lang-toggle {
      display: flex; align-items: center;
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.12);
      border-radius: 8px; overflow: hidden; flex-shrink: 0;
    }
    .lang-btn {
      padding: 0.28rem 0.62rem; border: none; background: transparent; cursor: pointer;
      font-family: 'Montserrat', sans-serif; font-weight: 600; font-size: 0.71rem;
      color: rgba(255,255,255,0.48); letter-spacing: 0.06em;
      transition: background 0.15s ease, color 0.15s ease;
    }
    .lang-btn.active { background: rgba(255,255,255,0.16); color: #fff; }
    .lang-btn:hover { color: rgba(255,255,255,0.85); }
    .lang-divider { width: 1px; height: 16px; background: rgba(255,255,255,0.12); flex-shrink: 0; }
  
    :root{--bg-base:#ffffff;--bg-raised:#f5f8fe;--bg-card:#ffffff;--bg-faq-btn:#ffffff;--bg-faq-hov:#f5f8fe;--clr-h:#0D1B3E;--clr-b:#5a6e8c;--bdr:#dde5f4;--bdr-faq:#edf2fb}
    html.dark{--bg-base:#0a1428;--bg-raised:#0D1B3E;--bg-card:#122244;--bg-faq-btn:#0D1B3E;--bg-faq-hov:#122244;--clr-h:#e8f0fa;--clr-b:#8aaac8;--bdr:rgba(77,174,229,0.18);--bdr-faq:rgba(77,174,229,0.10)}
    html.dark body{background:var(--bg-base)!important;color:var(--clr-h)!important}
    html.dark ::-webkit-scrollbar-track{background:#0a1428}
    .logo-light{display:none}html.dark .logo-dark{display:none!important}html.dark .logo-light{display:inline!important}
    html.dark .section-card{background:var(--bg-card)!important;border-color:var(--bdr)!important;box-shadow:0 1px 2px rgba(0,0,0,0.3),0 4px 8px rgba(0,0,0,0.2),0 0 0 1px rgba(77,174,229,0.08) inset!important}
    html.dark .section-card:hover{box-shadow:0 2px 4px rgba(0,0,0,0.3),0 8px 18px rgba(0,0,0,0.25),0 0 0 1px rgba(77,174,229,0.12) inset!important}
    html.dark .section-h2{color:#e8f0fa!important}
    html.dark .section-h3{color:#e8f0fa!important}
    html.dark .body-text{color:#8aaac8!important}
    html.dark .body-text a{color:#4DAEE5!important}
    html.dark .step-content h3{color:#e8f0fa!important}
    html.dark .info-box{background:var(--bg-raised)!important;border-color:var(--bdr)!important;color:#8aaac8!important}
    html.dark .info-box strong{color:#c8daf0!important}
    html.dark .mistake-item{background:var(--bg-raised)!important;border-color:var(--bdr)!important}
    html.dark .mistake-item span,html.dark .mistake-item p{color:#8aaac8!important}
    html.dark .mistake-item strong{color:#c8daf0!important}
    html.dark .check-item{border-bottom-color:var(--bdr-faq)!important}
    html.dark .check-item span{color:#8aaac8!important}
    html.dark .check-item strong{color:#c8daf0!important}
    html.dark .faq-item{background:var(--bg-faq-btn)!important;border-color:var(--bdr)!important}
    html.dark .faq-q{color:#e8f0fa!important}
    html.dark .faq-q:hover{background:var(--bg-faq-hov)!important}
    html.dark .faq-a-inner{color:#8aaac8!important}
    html.dark .faq-a-inner a{color:#4DAEE5!important}
    html.dark .related-card{background:var(--bg-card)!important;border-color:var(--bdr)!important}
    html.dark .related-card-v2{background:var(--bg-card)!important;border-color:var(--bdr)!important}
    html.dark .related-card-v2 div[style*="color:#0D1B3E"],html.dark .related-card-v2 strong{color:#e8f0fa!important}
    html.dark .related-card-v2 p,html.dark .related-card-v2 span:not([style*="#1E56B5"]){color:#8aaac8!important}
    /* RELATED CARD V2 */
    .related-card-v2 {
      background: #fff;
      border: 1px solid rgba(30,86,181,0.10);
      border-radius: 16px;
      padding: 1.5rem;
      text-decoration: none;
      display: block;
      transition: transform 0.25s cubic-bezier(0.16,1,0.3,1), box-shadow 0.25s ease, border-color 0.25s ease;
      box-shadow: 0 2px 8px rgba(13,27,62,0.04);
    }
    .related-card-v2:hover {
      transform: translateY(-4px);
      border-color: rgba(30,86,181,0.25);
      box-shadow: 0 4px 8px rgba(13,27,62,0.06), 0 12px 28px rgba(30,86,181,0.10);
    }
    .related-card-v2 .rc-img { width:100%;height:140px;object-fit:cover;display:block; }
    .related-card-v2 .rc-body { padding:1.25rem 1.5rem 1.5rem; }
    .related-card-v2:focus-visible { outline: 2px solid #4DAEE5; outline-offset: 2px; }
    .related-card-v2:active { transform: translateY(-1px); }
    @media(max-width:639px){.related-card-v2 .rc-body{padding:1rem!important}.related-card-v2 .rc-img{height:110px!important}}
    .related-card-v2 .arrow-icon {
      transition: transform 0.25s cubic-bezier(0.34,1.56,0.64,1);
    }
    .related-card-v2:hover .arrow-icon {
      transform: translateX(4px);
    }
    html.dark .related-card h3,html.dark .related-card strong{color:#e8f0fa!important}
    html.dark .related-card p,html.dark .related-card span{color:#8aaac8!important}
    html.dark .cta-box{background:var(--bg-raised)!important;border-color:var(--bdr)!important}
    html.dark .cta-box h2{color:#e8f0fa!important}
    html.dark .cta-box p{color:#8aaac8!important}
    html.dark .trust-badge{color:#8aaac8!important}
    html.dark .tldr-summary{background:var(--bg-raised)!important;border-color:var(--bdr)!important;color:#8aaac8!important}
    html.dark .tldr-summary strong{color:#c8daf0!important}
    html.dark .tldr-summary span{color:#8aaac8!important}
    html.dark .tl-dot{background:var(--bg-base)!important}
    html.dark .tl-label{color:#e8f0fa!important}
    html.dark .tl-duration{background:rgba(30,86,181,0.25)!important;color:#7ECEF5!important}
    html.dark [style*="color:#0D1B3E"]{color:#e8f0fa!important}
    html.dark [style*="color:#5a6e8c"]{color:#8aaac8!important}
    html.dark [style*="color:#374151"]{color:#a8c0d8!important}
    html.dark [style*="background: #f5f8fe"],html.dark [style*="background:#f5f8fe"]{background:var(--bg-raised)!important}
    html.dark [style*="border-color:#dde5f4"],html.dark [style*="border: 1px solid #dde5f4"]{border-color:var(--bdr)!important}
    html.dark #dark-toggle:hover,html.dark #dark-toggle-mob:hover{background:rgba(255,255,255,0.14)!important;color:#fff!important}
  
    html.dark .bg-tinted{background:var(--bg-raised)!important}
    html.dark .badge{background:rgba(77,174,229,0.12)!important;border-color:rgba(77,174,229,0.25)!important;color:#7ECEF5!important}
    html.dark .faq-wrap{border-color:var(--bdr)!important}
    html.dark .faq-btn{background:var(--bg-card)!important;color:#e8f0fa!important}
    html.dark .faq-btn:hover{background:var(--bg-raised)!important}
    html.dark .faq-icon{background:rgba(30,86,181,0.25)!important;color:#7ECEF5!important}
    html.dark .faq-content{color:#8aaac8!important;border-top-color:rgba(77,174,229,0.10)!important}
    html.dark .faq-content a{color:#4DAEE5!important}
    html.dark [style*="background:#ffffff"]{background:var(--bg-base)!important}
    html.dark [style*="background:#fff"]{background:var(--bg-base)!important}
    html.dark #ham-btn span{background:#fff!important}
    html.dark [style*="background: #ffffff"]{background:var(--bg-base)!important}
    html.dark [style*="color:#4a5870"]{color:#8aaac8!important}
    html.dark [style*="background:#f8fafd"]{background:var(--bg-raised)!important}
    html.dark [style*="background:#e8eef8"]{background:rgba(77,174,229,0.12)!important}
    html.dark [style*="border-bottom:1px solid #dde5f4"]{border-color:var(--bdr)!important}
    html.dark [style*="border-top:1px solid #edf2fb"]{border-color:rgba(77,174,229,0.10)!important}
    html.dark .bg-white{background:var(--bg-card)!important}
    html.dark .card-z2{background:var(--bg-card)!important;border-color:var(--bdr)!important}
    html.dark .card-z2 h3{color:#e8f0fa!important}
    html.dark .card-z2 p{color:#8aaac8!important}
    html.dark .card-z2 strong{color:#c8daf0!important}
    /* Compare table dark mode */
    html.dark .compare-table{background:var(--bg-card)!important}
    html.dark .compare-table thead tr{background:var(--bg-raised)!important}
    html.dark .compare-table th{color:#8aaac8!important;border-color:var(--bdr)!important}
    html.dark .compare-table th:last-child{color:#7ECEF5!important;background:rgba(77,174,229,0.08)!important}
    html.dark .compare-table td{color:#8aaac8!important;border-color:var(--bdr)!important}
    html.dark .compare-table .label-col{color:#c8daf0!important}
    html.dark .compare-table .new-val{color:#7ECEF5!important}
    html.dark .compare-table td[style*="background:rgba(30,86,181"]{background:rgba(77,174,229,0.06)!important}
    /* Calculation example cards dark mode */
    html.dark .card-z2 span[style*="color:#0D1B3E"]{color:#e8f0fa!important}
    html.dark .card-z2 span[style*="color:#5a6e8c"]{color:#8aaac8!important}
    html.dark .card-z2 div[style*="background:#f5f8fe"]{background:var(--bg-raised)!important;border-color:var(--bdr)!important}
    html.dark .card-z2 div[style*="background:#edf2fb"]{background:var(--bdr)!important}
    html.dark .card-z2 div[style*="height:1px"]{background:var(--bdr)!important}
    html.dark .card-z2 div[style*="background:rgba(30,86,181,0.08)"]{background:rgba(77,174,229,0.12)!important}
    html.dark .card-z2 span[style*="color:#1E56B5"]{color:#7ECEF5!important}
    html.dark .card-z2 span[style*="color:#94a3b8"]{color:#6888a8!important}
    html.dark .card-z1{background:var(--bg-card)!important;border-color:var(--bdr)!important}
    html.dark .card-z1 h3{color:#e8f0fa!important}
    html.dark .card-z1 p{color:#8aaac8!important}
    html.dark .card-z1 strong{color:#c8daf0!important}
  
    html.dark #ring-gauges{background:var(--bg-card, #122244)!important;border-color:var(--bdr, rgba(77,174,229,0.18))!important}
    html.dark .ring-gauge-bg{stroke:rgba(77,174,229,0.15)!important}
  
    /* ── Canonical dark mode (aligned to erfolge) ── */
    html.dark [style*="color: #0D1B3E"]{color:#e8f0fa!important}
    html.dark [style*="color: #5a6e8c"]{color:#8aaac8!important}
    html.dark [style*="color:#8a9ab8"]{color:#7a9ab8!important}
    html.dark [style*="color: #8a9ab8"]{color:#7a9ab8!important}
    html.dark [style*="color:#1E56B5"]{color:#4DAEE5!important}
    html.dark [style*="color: #1E56B5"]{color:#4DAEE5!important}
    html.dark [style*="border:1px solid #dde5f4"]{border-color:var(--bdr)!important}
    html.dark [style*="border-top:1px solid #dde5f4"]{border-color:var(--bdr)!important}
    html.dark section[style*="background:#ffffff"]{background:var(--bg-base)!important}
    html.dark section[style*="background: #ffffff"]{background:var(--bg-base)!important}
    html.dark section[style*="background:#fff"]{background:var(--bg-base)!important}
    html.dark section[style*="background:#f5f8fe"]{background:var(--bg-raised)!important}
    html.dark .case-zigzag{background:var(--bg-card)!important;border-color:var(--bdr)!important}
    html.dark .factor-card-v2{background:var(--bg-card)!important;border-color:var(--bdr)!important}
    html.dark .factor-card-v2 h3{color:#e8f0fa!important}
    html.dark .factor-card-v2 p{color:#8aaac8!important}
    html.dark .story-mag{background:var(--bg-card)!important;border-color:var(--bdr)!important}
    html.dark .related-card-v2:hover{border-color:rgba(77,174,229,0.3)!important}
    html.dark .gauge-number{fill:#e8f0fa!important}
    html.dark .gauge-label{fill:#8aaac8!important}
    html.dark svg text[fill="#0D1B3E"]{fill:#e8f0fa!important}
    html.dark svg text[fill="#5a6e8c"]{fill:#8aaac8!important}
    html.dark svg text[fill="#8a9ab8"]{fill:#7a9ab8!important}
    html.dark .svg-text-dark{fill:#e8f0fa!important}
    html.dark .svg-text-muted{fill:#8aaac8!important}
    html.dark .svg-text-light{fill:#7a9ab8!important}
    /* ══ Section alternation with wave transitions ══ */
    .content-section-raised {
      background: #f5f8fe;
      position: relative;
      padding: 3rem 0;
    }
    .content-section-white {
      background: #ffffff;
      position: relative;
      padding: 3rem 0;
    }
    html.dark .content-section-raised { background: var(--bg-raised) !important; }
    html.dark .content-section-white { background: var(--bg-base) !important; }
    html.dark .wave-divider path:not(.wave-fill-raised):not(.wave-fill-white){fill:var(--bg-base)!important}
    html.dark .wave-divider path[fill="#04091a"]{fill:#04091a!important}
    html.dark h2{color:#e8f0fa!important}
    html.dark h3{color:#e8f0fa!important}
    html.dark [style*="background:linear-gradient(135deg,rgba(30,86,181,0.06)"]{background:rgba(30,86,181,0.15)!important;border-color:rgba(77,174,229,0.2)!important}
    html.dark [style*="rgba(30,86,181,0.06)"]{background:rgba(30,86,181,0.18)!important;border-color:rgba(77,174,229,0.2)!important}
    html.dark .external-citations{background:var(--bg-raised)!important;border-color:var(--bdr)!important}
    html.dark p[style*="color:#8a9ab8"]{color:#5a8aaa!important}
    html.dark .ds-section:nth-child(even){background:var(--bg-raised)!important;border-color:var(--bdr)!important}
    html.dark .ds-box{background:var(--bg-card)!important;border-color:var(--bdr)!important;color:#8aaac8!important}
    html.dark .ds-box strong{color:#c8daf0!important}
    html.dark .ds-highlight-box{background:var(--bg-card)!important;border-color:var(--bdr)!important;color:#8aaac8!important}
    html.dark .ds-highlight-box strong{color:#c8daf0!important}
    html.dark .ds-table-wrap{border-color:var(--bdr)!important}
    html.dark .ds-table-wrap th{background:var(--bg-raised)!important;color:#e8f0fa!important;border-color:var(--bdr)!important}
    html.dark .ds-table-wrap td{background:var(--bg-card)!important;color:#8aaac8!important;border-color:var(--bdr)!important}
    html.dark .toc{background:var(--bg-card)!important;border-color:var(--bdr)!important}
    html.dark .toc a{color:#4DAEE5!important}
    html.dark .faq-a-inner strong{color:#c8daf0!important}
    html.dark main{background:var(--bg-base)!important}
  
    /* ── Universal dark-mode: background & wave pattern (from erfolge.html) ── */
    html.dark [style*="background: #f5f8fe"]{background:var(--bg-raised)!important}
    html.dark .wave-fill-white{fill:var(--bg-base)!important}
    html.dark .wave-fill-raised{fill:var(--bg-raised)!important}
    html.dark .wave-fill-tinted{fill:var(--bg-base)!important}
    html.dark .wave-divider path.wave-fill-raised{fill:var(--bg-raised)!important}
    html.dark .wave-divider rect.wave-fill-raised{fill:var(--bg-raised)!important}
    html.dark .ds-wave path{fill:var(--bg-base)!important}
    html.dark .ds-wave{background:transparent!important}
    html.dark .floating-shape{opacity:0.03!important}
        .wave-divider { display: block; width: 100vw !important; height: auto; margin-left: calc(-50vw + 50%); margin-right: calc(-50vw + 50%); }
    .hero-split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
    .hero-text{position:relative;z-index:3}
    .hero-illustration{position:relative;z-index:2;display:flex;align-items:center;justify-content:center}
    @media(max-width:768px){.hero-split{grid-template-columns:1fr;gap:1.5rem}.hero-illustration{max-width:340px;margin:0 auto}}

@media(max-width:639px){#ring-gauges{grid-template-columns:1fr!important;gap:2rem!important}}

.footer-grid{display:grid;grid-template-columns:1fr;gap:2rem;margin-bottom:2.5rem}@media(min-width:640px){.footer-grid{grid-template-columns:repeat(2,1fr)}}@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 2fr 1fr}}