:root {
  --text-color: #212121;
  --sub-text: #666;
  --muted: #aaa;
  --accent: #698cff;
  --bg: #fff;
  --bg-thumbnail: #f5f5f5;
  --border: #eee;
}

body {
  font-family: "NanumSquareRound", sans-serif;
  color: var(--text-color);
  background: var(--bg);
  margin: 0;
  letter-spacing: -0.02em;
  -webkit-font-smoothing: antialiased;
}

/* Navigation -------------------------------- */

.navbar {
  width: 100%;
  box-sizing: border-box;
  background-color: var(--bg);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.nav-container {
  box-sizing: border-box;
  width: 100%;
  max-width: 1200px;
  display: flex;
  align-items: center;
  justify-content: flex-start;
  padding: 1rem 1.25rem;
  margin: 0 auto;
}

.logo {
  font-family: "NanumSquareRoundEB", sans-serif;
  font-size: 1.6rem;
  text-decoration: none;
  color: var(--text-color);
}

.logo .highlight {
  font-family: "NanumSquareRoundB", sans-serif;
  color: var(--accent);
  margin-left: 4px;
}

/* Main Section -------------------------------- */
.container {
  box-sizing: border-box;
  width: 100%;
  max-width: 1200px;
  padding: 1rem 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 2rem;
  margin: 2rem auto 0;
}

.section-title {
  font-size: 20px;
  font-family: "NanumSquareRoundEB", sans-serif;
  margin: 0;
}

/* Contents View -------------------------------- */

.content-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem 1rem;
}

.item {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.item-link {
  display: block;
  text-decoration: none;
  color: inherit;
  transition: transform 0.15s ease;
}

.item-link:hover {
  transform: translateY(-2px);
}

.thumbnail {
  width: 100%;
  object-fit: contain;
  border-radius: 8px;
  background-color: var(--bg-thumbnail);
}

.item-text {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.item-title {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0;
}

.item-subtitle {
  font-size: 0.875rem;
  color: var(--sub-text);
  margin: 0;
}

@media (max-width: 768px) {
  .logo {
    font-size: 1.4rem;
  }

  .thumbnail {
    height: 160px;
  }
}

@media (max-width: 480px) {
  .logo {
    font-size: 1.2rem;
  }
}

/* POSTS PAGE -------------------------------- */

.post-container {
  box-sizing: border-box;
  width: 100%;
  max-width: 720px;
  margin: 0 auto;
  padding: 4rem 1.25rem 0 1.25rem;
  word-break: keep-all;
}

.post-container section {
  margin-bottom: 6rem;
}

.post-container h1 {
  font-size: 2rem;
  font-family: "NanumSquareRoundB", sans-serif;
  line-height: 1.2;
  margin: 0 0 1rem 0;
}

.post-container h2 {
  font-size: 1.25rem;
  font-family: "NanumSquareRound", sans-serif;
  color: var(--sub-text);
  margin: 0 0 0.5rem 0;
}

.post-container time {
  font-size: 0.875rem;
  color: var(--muted);
  display: block;
  margin-bottom: 3rem;
}

.post-container h3 {
  font-size: 1.2rem;
  font-family: "NanumSquareRoundB", sans-serif;
  margin: 0 0 1.5rem 0;
}

.post-container p {
  font-size: 1rem;
  font-family: "NanumSquareRound", sans-serif;
  color: #333;
  margin: 0 0 1.2rem 0;
  line-height: 1.7;
}

.post-container img {
  display: block;
  width: 100%;
  max-width: 480px;
  margin: 2rem auto;
  border-radius: 16px;
}

/* Fade Animation -------------------------------- */
.fade {
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.9s ease;
}
.fade.visible {
  opacity: 1;
  transform: translateY(0);
}