:root {
      --primary: #0d6efd;
      --dark: #0f172a;
      --text: #475569;
      --light-border: #e9ecef;
      --section-bg: #f8fafc;
    }

    * {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Inter', sans-serif;
      color: var(--text);
      background: #ffffff;
      line-height: 1.7;
    }

    .top-bar {
      background: #ffffff;
      border-bottom: 1px solid var(--light-border);
      font-size: 14px;
    }

    .top-bar a {
      color: var(--text);
      text-decoration: none;
      transition: 0.3s;
    }

    .top-bar a:hover {
      color: var(--primary);
    }

    .navbar {
      background: #ffffff;
      box-shadow: 0 6px 24px rgba(15, 23, 42, 0.06);
    }

    .navbar-brand {
      font-weight: 800;
      color: var(--dark);
      font-size: 1.4rem;
    }

    .logo-box {
      width: 42px;
      height: 42px;
      background: linear-gradient(135deg, #0d6efd, #4f46e5);
      color: #fff;
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      margin-right: 10px;
      font-size: 1rem;
    }

    .nav-link {
      color: var(--dark);
      font-weight: 500;
    }

    .nav-link:hover,
    .nav-link.active {
      color: var(--primary);
    }

    .hero {
      padding: 110px 0 80px;
      background: #ffffff;
    }

    .hero-badge {
      display: inline-block;
      background: #eff6ff;
      color: var(--primary);
      padding: 8px 14px;
      border-radius: 999px;
      font-size: 14px;
      font-weight: 600;
      margin-bottom: 18px;
    }

    .hero h1,
    h2,
    h3,
    h4,
    h5 {
      color: var(--dark);
    }

    .hero h1 {
      font-size: 3rem;
      font-weight: 800;
      line-height: 1.2;
    }

    .hero p {
      font-size: 1.05rem;
      max-width: 600px;
    }

    .btn-custom {
      padding: 12px 24px;
      border-radius: 12px;
      font-weight: 600;
    }

    .hero-card {
      background: var(--section-bg);
      border: 1px solid var(--light-border);
      border-radius: 24px;
      padding: 32px;
      box-shadow: 0 18px 40px rgba(15, 23, 42, 0.06);
    }

    .mini-stat {
      background: #ffffff;
      border: 1px solid var(--light-border);
      border-radius: 16px;
      padding: 18px;
      text-align: center;
      height: 100%;
    }

    .section-padding {
      padding: 90px 0;
    }

    .section-title {
      max-width: 700px;
      margin: 0 auto 50px;
      text-align: center;
    }

    .section-title h2 {
      font-size: 2.2rem;
      font-weight: 800;
      margin-bottom: 12px;
    }

    .about-box,
    .service-card,
    .project-card,
    .blog-card,
    .contact-card {
      background: #ffffff;
      border: 1px solid var(--light-border);
      border-radius: 22px;
      box-shadow: 0 10px 30px rgba(15, 23, 42, 0.05);
      height: 100%;
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .about-box:hover,
    .service-card:hover,
    .project-card:hover,
    .blog-card:hover,
    .contact-card:hover {
      transform: translateY(-6px);
      box-shadow: 0 18px 36px rgba(15, 23, 42, 0.08);
    }

    .service-card img,
    .project-card img,
    .blog-card img {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }

    .card-body-custom {
      padding: 26px;
    }

    .icon-circle {
      width: 54px;
      height: 54px;
      border-radius: 16px;
      background: #eff6ff;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin-bottom: 18px;
    }

    .project-tag,
    .blog-tag {
      display: inline-block;
      padding: 6px 12px;
      border-radius: 999px;
      background: #f1f5f9;
      color: #334155;
      font-size: 13px;
      font-weight: 600;
      margin-bottom: 14px;
    }

    .contact-card ul,
    footer ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .contact-card ul li,
    footer ul li {
      margin-bottom: 10px;
    }

    .contact-card a,
    footer a {
      color: var(--text);
      text-decoration: none;
    }

    .contact-card a:hover,
    footer a:hover {
      color: var(--primary);
    }

    .social-icons a {
      width: 42px;
      height: 42px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      border: 1px solid var(--light-border);
      color: var(--dark);
      margin-right: 8px;
      transition: 0.3s;
    }

    .social-icons a:hover {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
    }

    footer {
      border-top: 1px solid var(--light-border);
      background: #ffffff;
      padding: 24px 0;
    }

    @media (max-width: 991px) {
      .hero h1 {
        font-size: 2.3rem;
      }

      .top-bar .justify-content-md-between {
        gap: 10px;
      }
    }

    
/* Collaboration Section */
.collab-card {
  width: 200px;
  height: 200px;
  background: #fff;
  border-radius: 18px;
  padding: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(0,0,0,0.08);
  transition: 0.3s ease;
}

.collab-card:hover {
  transform: translateY(-5px);
}

.collab-card img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* Slider arrows */
#collaborationSlider .carousel-control-prev-icon,
#collaborationSlider .carousel-control-next-icon {
  background-color: #0d6efd;
  border-radius: 50%;
  padding: 18px;
}