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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #0a0a0a;
  color: #e0e0e0;
  line-height: 1.6;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 20px;
}

header {
  background: #111;
  border-bottom: 1px solid #222;
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

header .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}

.logo-icon {
  font-size: 28px;
}

.logo h1 {
  font-size: 1.4rem;
  font-weight: 700;
  color: #fff;
}

nav a {
  color: #888;
  text-decoration: none;
  margin-left: 24px;
  font-size: 0.9rem;
  transition: color 0.2s;
}

nav a:hover,
nav a.active {
  color: #4fc3f7;
}

.hero {
  background: linear-gradient(135deg, #0d1b2a, #1b2838);
  padding: 60px 0;
  text-align: center;
  border-bottom: 1px solid #1a2a3a;
}

.hero h2 {
  font-size: 2rem;
  color: #fff;
  margin-bottom: 12px;
}

.hero p {
  color: #8899aa;
  font-size: 1.1rem;
}

main {
  padding: 40px 20px;
}

main h3 {
  font-size: 1.3rem;
  color: #fff;
  margin-bottom: 24px;
  padding-bottom: 8px;
  border-bottom: 2px solid #4fc3f7;
  display: inline-block;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 24px;
  margin-bottom: 48px;
}

.card {
  background: #141414;
  border: 1px solid #222;
  border-radius: 10px;
  padding: 24px;
  transition: border-color 0.2s, transform 0.2s;
}

.card:hover {
  border-color: #4fc3f7;
  transform: translateY(-2px);
}

.category {
  display: inline-block;
  background: #1a2a3a;
  color: #4fc3f7;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 20px;
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card h4 {
  color: #fff;
  font-size: 1.1rem;
  margin-bottom: 10px;
  line-height: 1.4;
}

.card p {
  color: #999;
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.meta {
  display: flex;
  justify-content: space-between;
  color: #555;
  font-size: 0.8rem;
}

.about,
.contact {
  background: #141414;
  border: 1px solid #222;
  border-radius: 10px;
  padding: 32px;
  margin-bottom: 24px;
}

.about p,
.contact p {
  color: #999;
  line-height: 1.8;
}

.contact a {
  color: #4fc3f7;
  text-decoration: none;
}

footer {
  background: #111;
  border-top: 1px solid #222;
  padding: 24px 0;
  text-align: center;
  margin-top: 40px;
}

footer p {
  color: #555;
  font-size: 0.85rem;
}

.loading,
.error {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: #666;
}

.error {
  color: #f44336;
}

@media (max-width: 600px) {
  .hero h2 { font-size: 1.4rem; }
  .posts-grid { grid-template-columns: 1fr; }
  header .container { flex-direction: column; gap: 12px; }
}