:root {
  --main-color-1: rgba(11,100,90,1);
  --main-color-2: #ffc56e;
  --grayscale-1: rgba(255,255,255,1);
  --grayscale-2: rgba(21,21,21,1);
  --grayscale-3: rgba(0,0,0,0.25);
}

@font-face {
  font-family: 'Open Sans';
  src: url('../fonts/OpenSans.ttf') format('truetype');
}

@font-face {
  font-family: 'Playfair Display';
  src: url('../fonts/PlayfairDisplay.ttf') format('truetype');
}

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

.container {
  width: 80%;
  margin: auto;
  overflow: hidden;
  padding: 20px;
}

nav {
  position: fixed;
  top: 0;
  width: 100%;
  height: 60px;
  background-color: var(--main-color-1);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.nav-text {
  color: white;
  font-size: 21px;
  padding: 15px;
  width: 100%;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
  font-weight: bold;
}

.nav-icon {
  padding: 6px;
}

.invisible {
  opacity: 0;
}

.nav-links {
  margin-top: 20px;
  text-align: center;
}
.nav-links a {
  display: inline-block;
  text-decoration: none;
  padding: 10px 15px;
  background: var(--main-color-1);
  color: var(--grayscale-1);
  border-radius: 5px;
  transition: background-color 0.3s;
}
.nav-links a:hover {
  background: var(--main-color-2);
  color: var(--grayscale-2);
}

body {
  font-family: 'Open Sans', sans-serif;
  line-height: 1.6;
  color: var(--grayscale-2);
  margin: 0;
}

header {
  background: var(--main-color-1);
  color: var(--grayscale-1);
  padding: 20px;
  text-align: center;
  border-bottom: 4px solid var(--main-color-2);
  padding-top: 66px;
}

h1, h2, h3 {
  font-family: 'Playfair Display', serif;
  color: var(--grayscale-2);
}

.light-color {
  color: var(--grayscale-1);
}

.blog-container {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 30px;
  margin: 40px 0;
}

.article-preview {
  border: 1px solid var(--grayscale-3);
  border-radius: 8px;
  overflow: hidden;
  transition: transform 0.3s ease;
}

.article-preview:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 20px rgba(11,100,90,0.2);
}

.article-content {
  padding: 20px;
}

.article-date {
  color: var(--main-color-1);
  font-size: 14px;
  margin-bottom: 10px;
}

.article-excerpt {
  margin-bottom: 15px;
}

.read-more {
  display: inline-block;
  background: var(--main-color-1);
  color: var(--grayscale-1);
  padding: 6px 12px;
  border-radius: 4px;
  text-decoration: none;
  font-weight: 500;
}

.read-more:hover {
  text-decoration: underline;
}

footer {
  background: var(--main-color-1);
  color: var(--grayscale-1);
}

.tags {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 10px;
}

.tag {
  background: var(--main-color-2);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 12px;
  margin-right: 5px;
  margin-bottom: 5px;
}

@media (max-width: 768px) {
  .blog-container {
    grid-template-columns: 1fr;
  }
}