* {
  box-sizing: border-box;
  font-family: 'Roboto', Arial, Helvetica, sans-serif;
}

body {
  margin: 0;
  background: #ffffff;
  color: #333333;
  overflow-x: hidden;
  padding-top: 80px;
}

/* NAVBAR */
.navbar {
  display: flex;
  justify-content: space-between;
  padding: 20px 40px;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 10;
  box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.logo {
  font-size: 20px;
  font-weight: 600;
  color: #ff6b35;
  display: flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
}

.navbar a {
  color: #333333;
  margin-left: 20px;
  text-decoration: none;
  font-size: 16px;
  font-weight: 400;
  transition: color 0.3s ease;
  display: flex;
  align-items: center;
  gap: 5px;
}

.navbar a:hover {
  color: #ff6b35;
}

/* SEARCH */
.search-section {
  padding: 100px 40px;
  text-align: center;
  background: #f9f9f9;
}

.search-section input {
  width: 90%;
  max-width: 400px;
  padding: 15px;
  font-size: 1rem;
  border-radius: 10px;
  border: 2px solid #ff6b35;
  background: #ffffff;
  color: #333333;
}

.search-section input::placeholder {
  color: #999999;
}

/* ARTICLES GRID */
.articles-container {
  max-width: 1100px;
  margin: auto;
  padding: 20px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 20px;
}

/* ARTICLE CARD */
.article-card {
  background: #f9f9f9;
  padding: 20px;
  border-radius: 12px;
  cursor: pointer;
  transition: transform 0.3s, box-shadow 0.3s;
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.article-card h3 {
  margin-bottom: 10px;
  color: #333333;
}

.article-card p {
  color: #666666;
  font-size: 0.9rem;
}

/* RESPONSIVE */
@media (max-width: 768px) {
  body {
    padding-top: 70px;
  }

  .navbar {
    padding: 15px 20px;
    flex-direction: column;
    align-items: center;
    background: rgba(255, 255, 255, 0.98);
  }

  .logo {
    font-size: 18px;
  }

  .search-section {
    padding: 60px 20px;
  }

  .search-section input {
    padding: 12px;
    font-size: 16px;
  }

  .articles-container {
    padding: 20px;
  }

  .article-card {
    padding: 15px;
  }
}