:root {
      --primary: #1f2a44;
      --accent: #ff6b35;
      --bg-light: #f9fafb;
      --bg-section: #eceff3;
      --text-dark: #1a1a1a;
      --text-muted: #4a4a4a;
      --link-color: #00b8d9;
      --white: #ffffff;
    }

    body {
      background-color: var(--bg-light);
      color: var(--text-dark);
      font-family: 'Segoe UI', sans-serif;
      scroll-behavior: smooth;
    }

    .hero {
      background: linear-gradient(rgba(31, 42, 68, 0.8), rgba(31, 42, 68, 0.8)), url('pexels-nappy-935949.jpg') center/cover no-repeat;
      color: var(--white);
      padding: 100px 0;
      text-align: center;
      position: relative;
    }

    .dark-toggle-container {
      position: absolute;
      top: 20px;
      right: 20px;
      z-index: 999;
    }

    .btn-accent {
      background-color: var(--accent);
      color: var(--white);
      border: none;
      transition: background 0.3s;
    }

    .btn-accent:hover {
      background-color: #e55e2f;
    }

    .section {
      padding: 80px 0;
    }

    .section-light {
      background-color: var(--bg-section);
    }

    .card-custom {
      background: var(--white);
      border: none;
      border-radius: 15px;
      box-shadow: 0 4px 12px rgba(0,0,0,0.05);
      padding: 30px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .card-custom:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 16px rgba(0,0,0,0.1);
    }

    .footer {
      background-color: var(--primary);
      color: var(--white);
      padding: 40px 0;
      text-align: center;
    }

    a {
      color: var(--link-color);
    }

    a:hover {
      text-decoration: underline;
    }

    .error {
      color: red;
      font-size: 0.9em;
    }

    .dark-mode {
      background-color: #121212 !important;
      color: #ffffff !important;
    }

    .dark-mode .card-custom {
      background-color: #1e1e1e;
      color: #ffffff;
    }

    .dark-mode .footer, .dark-mode .hero {
      background-color: #0d1117 !important;
    }
    .brand-wrapper {
  display: flex;
  flex-direction: column;
  align-items: center;
  width: 120px;
}

.brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  border-radius: 50%;
  background-color: #eceff3;
  transition: all 0.3s ease;
  color: #1f2a44;
  font-weight: bold;
  font-size: 1.1rem;
  box-shadow: 0 2px 6px rgba(0, 0, 0, 0.15);
  cursor: default;
}

.brand-logo:hover {
  background-color: #00b8d9;
  color: #ffffff;
  transform: scale(1.05);
}

.logo-circle {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.brand-name {
  margin-top: 0.5rem;
  font-size: 0.85rem;
  color: #ffffff;
}
.brand-img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 50%;
  transition: transform 0.3s ease;
  background-color: #eceff3;
  padding: 10px;
}

.brand-logo:hover .brand-img {
  transform: scale(1.05);
  background-color: #00b8d9;
}
    .brand-dark-bg {
  background-color: #1f2a44; /* Your brand navy */
  border-radius: 50%;
  padding: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100px;
  height: 100px;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
  transition: transform 0.3s ease;
}

.brand-dark-bg:hover {
  background-color: #00b8d9;
  transform: scale(1.05);
}

.brand-img-dark {
  width: 85%;
  height: 85%;
  object-fit: contain;
  background-color: #ffffff; /* White base to contrast against black */
  padding: 8px;
  border-radius: 50%;
}
.logo-rectangle {
  background-color: transparent;
  width: 120px;
  height: 120px;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 10px rgba(255, 255, 255, 0.1); /* slight glow */
  transition: transform 0.3s ease;
  border-radius: 10px;
}

.logo-rectangle:hover {
  transform: scale(1.05);
  box-shadow: 0 4px 16px rgba(0, 184, 217, 0.4);
}

.psi-img {
  width: 100%;
  height: auto;
  object-fit: contain;
}