.bk-container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 16px;
  }

  .bk-footer {
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
      "Segoe UI", sans-serif;
    color: var(--ink-700);
    background-color: #ffffff;
    border-top: 1px solid rgba(148, 163, 184, 0.45);
    margin-top: 40px;
  }

  /* Top strip */
  .bk-footer-top {
    background: linear-gradient(
      90deg,
      rgba(22, 69, 131, 0.04),
      rgba(22, 69, 131, 0.01)
    );
  }

  .bk-footer-top-inner {
    display: flex;
    align-items: center;
    gap: 18px;
    padding: 14px 16px;
    flex-wrap: wrap;
  }

  .bk-footer-usp-item {
    display: flex;
    align-items: center;
    gap: 10px;
    min-width: 180px;
    flex: 1 1 180px;
  }

  .bk-footer-usp-icon {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border: 1px solid rgba(148, 163, 184, 0.5);
    box-shadow: 0 3px 8px rgba(15, 23, 42, 0.06);
    font-size: 16px;
  }

  .bk-footer-usp-text {
    display: flex;
    flex-direction: column;
    gap: 1px;
  }

  .bk-footer-usp-title {
    font-size: 13px;
    font-weight: 600;
    color: var(--ink-800);
  }

  .bk-footer-usp-subtitle {
    font-size: 12px;
    color: var(--ink-500);
  }

  .bk-footer-usp-cta {
    margin-left: auto;
  }

  .bk-btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 34px;
    padding: 0 14px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.7);
    font-size: 13px;
    font-weight: 500;
    background-color: rgba(255, 255, 255, 0.9);
    color: var(--ink-700);
    text-decoration: none;
    cursor: pointer;
    transition: background-color var(--transition-fast),
      border-color var(--transition-fast), transform var(--transition-fast),
      box-shadow var(--transition-fast);
  }

  .bk-btn-outline:hover {
    border-color: var(--barik-500);
    background-color: #ffffff;
    box-shadow: 0 5px 16px rgba(15, 23, 42, 0.09);
    transform: translateY(-0.5px);
  }

  /* Main footer */
  .bk-footer-main {
    padding: 30px 0 26px;
    border-top: 1px solid var(--border-subtle);
  }

  .bk-footer-main-inner {
    display: grid;
    grid-template-columns: minmax(0, 2.2fr) repeat(3, minmax(0, 1.2fr)) minmax(0, 2fr);
    gap: 28px;
  }

  /* Brand / About */
  .bk-footer-brand {
    min-width: 0;
  }

  .bk-footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 10px;
  }

  .bk-footer-logo-mark {
    width: 32px;
    height: 32px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: radial-gradient(circle at 20% 0, #ffffff 0%, #dbeafe 28%, var(--barik-600) 100%);
    color: #ffffff;
    font-weight: 700;
    font-size: 18px;
    box-shadow: 0 6px 20px rgba(22, 69, 131, 0.4);
  }

  .bk-footer-logo-text {
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 0.02em;
    color: var(--barik-800);
  }

  .bk-footer-description {
    font-size: 13px;
    line-height: 1.6;
    color: var(--ink-600);
    max-width: 340px;
    margin-bottom: 16px;
  }

  .bk-footer-contact {
    display: flex;
    flex-direction: column;
    gap: 8px;
  }

  .bk-footer-contact-item {
    display: flex;
    flex-direction: column;
    gap: 1px;
  }

  .bk-footer-contact-label {
    font-size: 11px;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ink-500);
  }

  .bk-footer-contact a,
  .bk-footer-contact span {
    font-size: 13px;
    color: var(--ink-700);
    text-decoration: none;
  }

  .bk-footer-contact a:hover {
    color: var(--barik-600);
    text-decoration: underline;
    text-underline-offset: 2px;
  }

  /* Columns */
  .bk-footer-columns {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .bk-footer-col {
    min-width: 0;
  }

  .bk-footer-col-wide {
    grid-column: span 1;
  }

  .bk-footer-heading {
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--ink-800);
    margin: 0 0 10px;
  }

  .bk-footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 6px;
  }

  .bk-footer-links a {
    font-size: 13px;
    color: var(--ink-600);
    text-decoration: none;
    line-height: 1.5;
    transition: color var(--transition-fast), transform var(--transition-fast);
  }

  .bk-footer-links a:hover {
    color: var(--barik-600);
    transform: translateX(1px);
  }

  /* Newsletter */
  .bk-footer-newsletter-text {
    font-size: 13px;
    color: var(--ink-600);
    margin: 0 0 10px;
    max-width: 280px;
  }

  .bk-footer-newsletter {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
  }

  .bk-input {
    flex: 1;
    min-width: 0;
    height: 36px;
    border-radius: 999px;
    border: 1px solid rgba(148, 163, 184, 0.9);
    padding: 0 12px;
    font-size: 13px;
    color: var(--ink-800);
    background-color: #ffffff;
    outline: none;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast),
      background-color var(--transition-fast);
  }

  .bk-input::placeholder {
    color: var(--ink-400);
  }

  .bk-input:focus {
    border-color: var(--barik-500);
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.1),
      0 0 0 4px rgba(37, 99, 235, 0.08);
    background-color: #ffffff;
  }

  .bk-btn-primary {
    flex-shrink: 0;
    height: 36px;
    padding: 0 14px;
    border-radius: 999px;
    border: none;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    background: linear-gradient(135deg, var(--barik-600), var(--barik-500));
    color: #ffffff;
    box-shadow: 0 8px 20px rgba(22, 69, 131, 0.3);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast),
      filter var(--transition-fast);
  }

  .bk-btn-primary:hover {
    transform: translateY(-0.5px);
    box-shadow: 0 10px 28px rgba(22, 69, 131, 0.4);
    filter: brightness(1.03);
  }

  .bk-btn-primary:active {
    transform: translateY(0.5px);
    box-shadow: 0 4px 14px rgba(22, 69, 131, 0.3);
  }

  /* Social */
  .bk-footer-social {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .bk-footer-social-link {
    width: 26px;
    height: 26px;
    border-radius: 999px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--ink-700);
    background-color: var(--ink-100);
    border: 1px solid rgba(148, 163, 184, 0.7);
    transition: background-color var(--transition-fast),
      color var(--transition-fast), border-color var(--transition-fast),
      box-shadow var(--transition-fast), transform var(--transition-fast);
  }

  .bk-footer-social-link:hover {
    background-color: var(--barik-600);
    color: #ffffff;
    border-color: var(--barik-600);
    box-shadow: 0 6px 14px rgba(22, 69, 131, 0.4);
    transform: translateY(-1px);
  }

  /* Bottom bar */
  .bk-footer-bottom {
    border-top: 1px solid rgba(148, 163, 184, 0.4);
    background-color: #ffffff;
  }

  .bk-footer-bottom-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    padding: 12px 16px 14px;
    font-size: 12px;
    color: var(--ink-500);
  }

  .bk-footer-bottom-center {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
  }

  .bk-footer-bottom-center a {
    color: var(--ink-500);
    text-decoration: none;
  }

  .bk-footer-bottom-center a:hover {
    color: var(--barik-600);
    text-decoration: underline;
    text-underline-offset: 2px;
  }

  .bk-footer-dot {
    opacity: 0.6;
  }

  .bk-footer-bottom-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-wrap: wrap;
    justify-content: flex-end;
  }

  .bk-footer-selectors {
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
  }

  .bk-footer-selector {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 3px 8px;
    border-radius: 999px;
    background-color: var(--ink-50);
    border: 1px solid rgba(148, 163, 184, 0.7);
  }

  .bk-footer-selector label {
    font-size: 11px;
    color: var(--ink-500);
  }

  .bk-footer-selector select {
    border: none;
    background: transparent;
    font-size: 12px;
    color: var(--ink-700);
    outline: none;
    padding: 1px 2px;
    cursor: pointer;
  }

  .bk-footer-powered {
    font-size: 11px;
    color: var(--ink-500);
    opacity: 0.9;
  }

  /* Responsive */
  @media (max-width: 1024px) {
    .bk-footer-main-inner {
      grid-template-columns: minmax(0, 1.7fr) minmax(0, 2.3fr);
      gap: 22px;
    }

    .bk-footer-columns {
      grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .bk-footer-col-wide {
      grid-column: span 2;
    }
  }

  @media (max-width: 768px) {
    .bk-footer-top-inner {
      padding: 12px 16px;
    }

    .bk-footer-usp-cta {
      width: 100%;
      display: flex;
      justify-content: flex-start;
      margin-left: 0;
    }

    .bk-footer-main {
      padding: 22px 0 20px;
    }

    .bk-footer-main-inner {
      grid-template-columns: minmax(0, 1fr);
      gap: 20px;
    }

    .bk-footer-description {
      max-width: none;
    }

    .bk-footer-columns {
      grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
      gap: 16px 20px;
    }

    .bk-footer-col-wide {
      grid-column: span 2;
    }

    .bk-footer-newsletter {
      flex-direction: column;
      align-items: stretch;
    }

    .bk-btn-primary {
      width: 100%;
      justify-content: center;
    }

    .bk-footer-bottom-inner {
      flex-direction: column;
      align-items: flex-start;
      gap: 6px;
    }

    .bk-footer-bottom-center {
      justify-content: flex-start;
    }

    .bk-footer-bottom-right {
      justify-content: flex-start;
    }
  }

  @media (max-width: 480px) {
    .bk-footer-top-inner {
      padding-inline: 12px;
    }

    .bk-footer-main-inner {
      padding-inline: 12px;
    }

    .bk-footer-bottom-inner {
      padding-inline: 12px;
    }

    .bk-footer-columns {
      grid-template-columns: minmax(0, 1fr);
    }

    .bk-footer-col-wide {
      grid-column: span 1;
    }

    .bk-footer-top-inner {
      gap: 10px;
    }
  }