* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
body {
  background: linear-gradient(180deg, #e0f7ff, #ffffff);
  font-family: 'Montserrat', sans-serif;
  margin: 0;
  padding: 0;
}
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 15px;
}
.add_header {
  background: #0e0182;
  border-bottom: 1px solid black;
}
.add_header_flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 40px 20px;
}
.slogan {
  font-size: 36px;
  font-weight: 700;
  color: rgb(242, 255, 0);
}
.button {
  display: inline-block;
  background: black;
  color: white;
  padding: 15px;
  width: 150px;
  border-radius: 5px;
  font-size: 20px;
  font-weight: 900;
  text-align: center;
  cursor: pointer;
  transition: background 0.3s ease;
}
.button:hover {
  background: #333;
}
header {
  background: #bfff00;
  border-bottom: 1px solid black;
}
.header_flex {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px 20px;
}
.logo {
  height: 60px;
  width: auto;
}
nav ul {
  list-style: none;
  display: flex;
  gap: 20px;
  padding: 0;
  margin: 0;
}
nav a {
  text-decoration: none;
  color: #0e0182;
  font-weight: bold;
  font-size: 16px;
  font-family: 'Cuprum', sans-serif;
  padding: 20px;
  line-height: 30px;
  transition: background-color 0.3s ease, color 0.3s ease;
}
nav a:hover {
  color: gray;
  background: white;
  border-radius: 20px;
}
nav ul li:last-child a {
  background: black;
  border-radius: 10px;
}
.content-grid {
  display: flex;
  gap: 40px;
  margin-top: 40px;
}
.articles {
  flex: 2;
  display: flex;
  flex-direction: column;
  gap: 20px;
}
.article {
  background: transparent;
  border: 1px solid black;
  padding: 20px;
  display: flex;
  gap: 20px;
  border-radius: 0;
  box-shadow: none;
}
.article_img {
  width: 150px;
  height: 150px;
  flex-shrink: 0;
  overflow: hidden;
}
.article_img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.article_text {
  flex: 1;
}
.heading {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 10px;
}
.desc {
  font-size: 18px;
  line-height: 1.6;
  color: rgba(0, 0, 0, 0.9);
}
.date {
  font-size: 14px;
  color: rgba(0, 0, 0, 0.7);
  margin-top: 10px;
}
.sidebar {
  flex: 1;
  border: 1px solid black;
  background: transparent;
  padding: 20px;
  border-radius: 0;
  box-shadow: none;
}
.sidebar_img img {
  width: 40%;
  height: auto;
  border-radius: 0;
  margin: 10px 0;
  object-fit: cover;
}
h3 {
  font-size: 22px;
  margin-top: 10px;
}
.footer {
  background: #0e0182;
  border-top: 1px solid rgb(255, 255, 255);
  color: rgb(255, 255, 255);
  padding: 40px 20px;
  text-align: center;
  margin-top: 60px;
}
.footer .desc {
  font-size: 14px;
  margin-top: 30px;
}