/* Header */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.88);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(8, 120, 201, 0.08);
    }

    .nav {
      min-height: 100px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 28px;
    }

    .brand {
      display: flex;
      align-items: center;
      min-width: 0;
    }

    .brand img {
      height: 96px;
      width: auto;
      max-width: min(480px, 100%);
      object-fit: contain;
      object-position: left center;
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 26px;
      color: var(--muted);
      font-size: var(--fs-md);
      font-weight: 500;
    }

    .nav-links a:hover {
      color: var(--blue);
    }

    .nav-cta {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-height: 42px;
      padding: 0 18px;
      border-radius: 12px;
      color: var(--white);
      background: linear-gradient(135deg, var(--blue), var(--green));
      font-weight: 600;
      box-shadow: 0 10px 24px rgba(8, 120, 201, 0.18);
    }

/* Buttons */
.button {
min-height: 50px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 0 23px;
      border-radius: 14px;
      font-weight: 600;
      transition: transform 0.2s ease, box-shadow 0.2s ease;
    }

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

    .button-primary {
      color: var(--white);
      background: linear-gradient(135deg, var(--blue), var(--green));
      box-shadow: 0 14px 30px rgba(8, 120, 201, 0.22);
    }

    .button-secondary {
      color: var(--blue-dark);
      background: var(--white);
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
    }

/* Text utilities */
h1 .blue {
      color: var(--blue-dark);
    }

    h1 .green {
      color: var(--green);
    }
/* Mobile navigation */
.nav-toggle {
  display: none;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--white);
  color: var(--blue-dark);
  cursor: pointer;
  flex-shrink: 0;
}

.nav-toggle-icon {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
}

.nav-toggle-icon::before,
.nav-toggle-icon::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  background: currentColor;
  transition: transform 0.2s ease;
}

.nav-toggle-icon::before { top: -6px; }
.nav-toggle-icon::after { top: 6px; }

.nav-toggle[aria-expanded="true"] .nav-toggle-icon {
  background: transparent;
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::before {
  top: 0;
  transform: rotate(45deg);
}

.nav-toggle[aria-expanded="true"] .nav-toggle-icon::after {
  top: 0;
  transform: rotate(-45deg);
}

@media (max-width: 980px) {
  .nav-toggle {
    display: inline-flex;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    padding: 12px 20px 20px;
    background: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    border-bottom: 1px solid rgba(8, 120, 201, 0.08);
    box-shadow: 0 12px 30px rgba(12, 66, 104, 0.08);
  }

  .nav-links.is-open {
    display: flex;
  }

  .nav-links a {
    padding: 14px 0;
    border-bottom: 1px solid rgba(8, 120, 201, 0.08);
    font-size: var(--fs-base);
  }

  .nav-links a:last-child {
    border-bottom: none;
  }

  .site-header .nav {
    position: relative;
    flex-wrap: wrap;
  }

  .nav-cta-mobile {
    display: none;
    width: 100%;
    margin-top: 8px;
    text-align: center;
  }

  .nav-links.is-open + .nav-cta-mobile,
  .nav-cta-mobile.is-visible {
    display: inline-flex;
  }
}

@media (min-width: 981px) {
  .nav-cta-mobile {
    display: none !important;
  }
}

@media (max-width: 700px) {
  .nav-cta {
    display: none;
  }

  .nav-cta-mobile {
    display: none;
    width: 100%;
    margin-top: 12px;
  }

  .nav-links.is-open ~ .nav-cta-mobile {
    display: inline-flex;
  }
}