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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: #fafafa;
  color: #111;
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

header {
  background-color: #ff3333;
  color: white;
  padding: 1.5rem 2rem;
  text-align: center;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

nav {
  background: #ffe5e5;
  padding: 0.7rem 2rem;
  box-shadow: inset 0 -1px 0 #ffc4c4;
}

#mainNav {
  list-style: none;
  display: flex;
  justify-content: center;
  gap: 2rem;
}

#mainNav a {
  color: #ff3333;
  font-weight: bold;
  text-decoration: none;
  font-size: 1.1rem;
}

#mainNav a:hover {
  color: #cc0000;
}

main {
  max-width: 90%;
  margin: 2rem auto 3rem;
  padding: 20px 2rem;
  width: 100%;
  flex-grow: 1;
  background: #e1e1e160;
}

.intro p {
  font-size: 1.1rem;
  color: #444;
  margin-top: 0.5rem;
}

.container {
  margin-bottom: 3rem;
  
  width: 100%;
}

.container h2 {
  color: #ff3333;
  margin-bottom: 1rem;
  font-size: 1.5rem;
}

iframe {
  width: 100%;
  height: 600px;
  border-radius: 12px;
  border: none;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.chart-desc {
    font-size: 1.1rem;
    color: #272727;
    margin: -0.5rem 0 1rem;
    line-height: 1.4;
}  

#newsList {
  margin-top: 1.5rem;
}

.newsItem {
  padding: 1rem 0;
  border-bottom: 1px solid #ddd;
}

.newsItem h4 a {
  font-size: 1.1rem;
  color: #ff3333;
  text-decoration: none;
}

.newsItem h4 a:hover {
  text-decoration: underline;
}

.newsItem p {
  font-size: 0.9rem;
  color: #555;
}

footer {
  background-color: #ff3333;
  color: white;
  text-align: center;
  padding: 1.2rem;
  font-size: 1.1rem;
}