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

:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #f8fafc;
  --text: #1e293b;
  --text-light: #64748b;
  --accent: #059669;
  --white: #ffffff;
  --border: #e2e8f0;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  line-height: 1.6;
  color: var(--text);
  background: var(--white);
}

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

a:hover {
  text-decoration: underline;
}

/* Header */
header {
  background: var(--white);
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  height: 60px;
  width: auto;
}

nav ul {
  display: flex;
  list-style: none;
  gap: 2rem;
}

nav a {
  color: var(--text);
  font-weight: 500;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: border-color 0.3s;
}

nav a:hover, nav a.active {
  border-bottom-color: var(--primary);
  text-decoration: none;
}

/* Mobile menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
}

/* Hero Section */
.hero {
  background-image: url('image.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  color: var(--white);
  padding: 0;
  text-align: center;
  min-height: 400px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
}

.hero-content {
  position: relative;
  z-index: 1;
  padding: 4rem 2rem;
}

.hero h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
}

.hero p {
  font-size: 1.2rem;
  max-width: 800px;
  margin: 0 auto;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
}

/* Main Content */
main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 3rem 2rem;
}

section {
  margin-bottom: 3rem;
}

h2 {
  color: var(--primary);
  margin-bottom: 1.5rem;
  font-size: 1.8rem;
}

h3 {
  color: var(--text);
  margin-bottom: 1rem;
  font-size: 1.4rem;
}

p {
  margin-bottom: 1rem;
}

ul {
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.5rem;
}

/* Cards */
.card {
  background: var(--secondary);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 2rem;
  border-left: 4px solid var(--primary);
}

.card h3 {
  color: var(--primary);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 1rem 2rem;
  background: var(--accent);
  color: var(--white);
  border-radius: 6px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: background 0.3s;
  text-decoration: none;
}

.btn:hover {
  background: #047857;
  text-decoration: none;
}

/* Info Box */
.info-box {
  background: #fef3c7;
  border: 1px solid #f59e0b;
  border-radius: 8px;
  padding: 1.5rem;
  margin: 2rem 0;
}

.info-box h4 {
  color: #92400e;
  margin-bottom: 0.5rem;
}

/* Contact Section */
.contact-info {
  background: var(--secondary);
  padding: 2rem;
  border-radius: 8px;
}

/* Footer */
footer {
  background: var(--text);
  color: var(--white);
  text-align: center;
  padding: 2rem;
  margin-top: 3rem;
}

footer p {
  margin: 0;
  opacity: 0.9;
}

/* Responsive */
@media (max-width: 768px) {
  .menu-toggle {
    display: block;
  }

  nav ul {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--white);
    flex-direction: column;
    padding: 1rem 2rem;
    gap: 0;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
  }

  nav ul.active {
    display: flex;
  }

  nav li {
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--border);
  }

  .hero h1 {
    font-size: 1.8rem;
  }

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

  .hero {
    min-height: 300px;
  }

  .header-container {
    padding: 1rem;
  }

  main {
    padding: 2rem 1rem;
  }
}