:root {
  --primary-color: #0056b3;
  --secondary-color: #004085;
  --accent-color: #0069d9;
  --light-gray: #f8f9fa;
  --dark-gray: #343a40;
  --border-color: #dee2e6;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html,
body {
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: #333;
  background-color: #fff;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: 700;
  color: #000;
}

a {
  color: var(--primary-color);
  text-decoration: none;
}

a:hover {
  color: var(--secondary-color);
}

.bg-gradient-primary {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.text-primary {
  color: var(--primary-color) !important;
}

.btn-primary {
  background-color: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
}

.btn-primary:hover {
  background-color: var(--secondary-color);
  border-color: var(--secondary-color);
}

.btn-light {
  background-color: #fff;
  color: var(--primary-color);
  border: 2px solid #fff;
}

.btn-light:hover {
  background-color: #f8f9fa;
  color: var(--secondary-color);
}

.card {
  border-radius: 8px;
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 16px rgba(0, 86, 179, 0.1);
}

.navbar {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
  font-size: 1.5rem;
  color: var(--primary-color) !important;
}

.logo-text {
  font-weight: 700;
  letter-spacing: 0.5px;
}

.hero {
  position: relative;
  overflow: hidden;
}

.hero h1 {
  color: white;
  line-height: 1.3;
}

.hero .lead {
  color: rgba(255, 255, 255, 0.95);
  font-size: 1.15rem;
}

.hero img {
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

footer {
  background-color: var(--dark-gray);
  color: #fff;
  margin-top: 3rem;
}

footer a {
  color: rgba(255, 255, 255, 0.7);
  transition: color 0.3s ease;
}

footer a:hover {
  color: #fff;
}

footer h6 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.form-control {
  border-radius: 5px;
  border: 1px solid var(--border-color);
  padding: 0.75rem 1rem;
}

.form-control:focus {
  border-color: var(--primary-color);
  box-shadow: 0 0 0 0.2rem rgba(0, 86, 179, 0.25);
}

.text-white-50 {
  color: rgba(255, 255, 255, 0.5);
}

.shadow-sm {
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

.border-0 {
  border: none !important;
}

.custom-control-label {
  cursor: pointer;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }

  .hero .lead {
    font-size: 1rem;
  }

  .display-4 {
    font-size: 2.5rem;
  }

  footer .row {
    margin-bottom: 2rem;
  }

  footer h6 {
    margin-top: 1.5rem;
  }
}

@media (max-width: 576px) {
  .hero h1 {
    font-size: 1.5rem;
  }

  .container {
    padding: 0 1rem;
  }

  .card {
    margin-bottom: 1rem;
  }
}