.sdf-section {
    --color-primary: #4769b1;
    --color-accent: #45b9a4;
    --color-white: #ffffff;
    --color-soft: #f6f9ff;
    --color-text: #181c20;
    --color-text-muted: #5f636b;
    --color-border: #e0e3e8;
    --color-border-soft: #dfe6f2;

    font-family: 'Karla', Arial, sans-serif;
    color: var(--color-text);
    background-color: var(--color-soft);
    position: relative;
    overflow: hidden;
  }

  .sdf-section * {
    box-sizing: border-box;
  }

  .sdf-bg-image {
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    width: 60%;
    z-index: 0;
    display: none;
  }

  .sdf-bg-image::before {
    content: "";
    position: absolute;
    inset: 0;
    z-index: 1;
    background: linear-gradient(to right, var(--color-soft) 0%, rgba(246, 249, 255, 0.8) 35%, transparent 100%);
  }

  .sdf-bg-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: 0.85;
  }

  .sdf-container {
    position: relative;
    z-index: 1;
    max-width: 1280px;
    margin: 0 auto;
    padding: 64px 16px;
  }

  .sdf-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 48px;
    align-items: flex-end;
  }

  /* ---------- LEFT COLUMN ---------- */
  .sdf-left {
    display: flex;
    flex-direction: column;
    gap: 32px;
  }

  .sdf-heading-row {
    display: flex;
    align-items: center;
    gap: 16px;
  }

  .sdf-icon-badge {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 999px;
    border: 2px solid var(--color-accent);
    background-color: var(--color-white);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .sdf-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 700;
    font-size: 40px;
    line-height: 48px;
    letter-spacing: -0.02em;
    color: var(--color-primary);
    max-width: 620px;
  }

  .sdf-title .sdf-highlight {
    color: var(--color-accent);
  }

  .sdf-subtitle {
    font-size: 18px;
    line-height: 28px;
    color: var(--color-text-muted);
    max-width: 560px;
    margin: 12px 0 0;
  }

  /* ---------- CALCULATOR CARD ---------- */
  .sdf-calc-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border-soft);
    border-radius: 8px;
    padding: 32px;
    max-width: 640px;
    box-shadow: 0 2px 8px rgba(24, 28, 32, 0.05);
  }

  .sdf-calc-title {
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    text-align: center;
    color: var(--color-accent);
    margin: 0 0 24px;
  }

  .sdf-calc-inputs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 24px;
    padding-bottom: 32px;
    margin-bottom: 32px;
    border-bottom: 1px solid var(--color-border);
  }

  .sdf-calc-input {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 500;
  }

  .sdf-calc-input .sdf-icon {
    color: var(--color-primary);
    font-size: 28px;
  }

  .sdf-calc-times {
    color: var(--color-accent);
    font-weight: 300;
    font-size: 24px;
  }

  .sdf-calc-result {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    gap: 24px;
    align-items: center;
    text-align: center;
  }

  .sdf-calc-col {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .sdf-calc-label {
    font-size: 12px;
    font-weight: 500;
    text-transform: uppercase;
    color: var(--color-primary);
  }

  .sdf-calc-value {
    font-family: 'Playfair Display', Georgia, serif;
    font-weight: 600;
    font-size: 30px;
    line-height: 40px;
    color: var(--color-primary);
  }

  .sdf-calc-value.sdf-value-accent {
    color: var(--color-accent);
  }

  .sdf-calc-icon-lg {
    font-size: 28px;
    color: var(--color-primary);
    opacity: 0.85;
    margin-top: 4px;
  }

  .sdf-calc-icon-lg.sdf-value-accent {
    color: var(--color-accent);
    opacity: 1;
  }

  .sdf-equals {
    width: 40px;
    height: 40px;
    border-radius: 999px;
    background-color: var(--color-accent);
    color: var(--color-white);
    font-weight: 700;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
  }

  /* ---------- FOOTER / CTA ---------- */
  .sdf-footer {
    display: flex;
    flex-direction: column;
    gap: 24px;
  }

  .sdf-disclaimer {
    display: flex;
    align-items: flex-start;
    gap: 12px;
  }

  .sdf-disclaimer .sdf-icon {
    color: var(--color-border);
    margin-top: 2px;
    flex-shrink: 0;
  }

  .sdf-disclaimer p {
    font-size: 12px;
    line-height: 1.6;
    color: var(--color-text-muted);
    max-width: 480px;
    margin: 0;
  }

  .sdf-cta {
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    padding: 16px 32px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(71, 105, 177, 0.25);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
  }

  .sdf-cta:hover {
    background-color: #35528c;
    box-shadow: 0 6px 16px rgba(71, 105, 177, 0.35);
    color: var(--color-white);
  }

  /* ---------- RIGHT COLUMN ---------- */
  .sdf-right {
    display: flex;
    flex-direction: column;
    gap: 32px;
    margin-bottom:145px;
  }

  .sdf-mobile-image {
    width: 100%;
    height: 256px;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 8px rgba(24, 28, 32, 0.05);
  }

  .sdf-mobile-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
  }

  .sdf-benefits-card {
    background-color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(8px);
    border: 1px solid var(--color-border);
    border-radius: 8px;
    padding:32px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.04);
    display: flex;
    flex-direction: column;
    gap: 37px;
    max-width: 640px;
  }

  .sdf-benefit-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding-bottom: 24px;
    border-bottom: 1px solid var(--color-border);
  }

  .sdf-benefit-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
  }

  .sdf-benefit-icon {
    width: 48px;
    height: 48px;
    min-width: 48px;
    border-radius: 4px;
    background-color: var(--color-soft);
    border: 1px solid var(--color-border-soft);
    color: var(--color-accent);
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .sdf-benefit-text {
    font-size: 16px;
    font-weight: 500;
    color: var(--color-primary);
    line-height: 1.3;
    display: flex;
    align-items: center;
    min-height: 48px;
  }

  /* ---------- RESPONSIVE ---------- */
  @media (min-width: 1024px) {
    .sdf-bg-image {
      display: block;
    }

    .sdf-container {
      padding: 96px 64px;
    }

    .sdf-grid {
      grid-template-columns: 7fr 5fr;
      gap: 64px;
    }

    .sdf-right {
      padding-left: 32px;
    }

    .sdf-mobile-image {
      display: none;
    }

    .sdf-title {
      font-size: 56px;
      line-height: 64px;
      max-width: 620px;
    }
  }


/* ---------- RESPONSIVE ---------- */
@media only screen and (max-width: 767.98px) {
    .sdf-grid {
        display: flex !important;
        flex-direction: column !important;
    }
    .sdf-right,
    .sdf-left{width: 100%;}
}