:root {
  --bg-color: #08101c;
  --bg-soft: #0d1827;
  --text-main: #e8edf4;
  --text-muted: #99a9bd;
  --text-faint: #66788f;
  --accent: #85d8ff;
  --accent-glow: rgba(133, 216, 255, 0.4);
  --border-subtle: rgba(160, 186, 218, 0.16);
  --border-strong: rgba(160, 186, 218, 0.3);
  --panel-bg: rgba(15, 27, 43, 0.7);
  
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Menlo", "Consolas", monospace;
}

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

body {
  background-color: var(--bg-color);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background-image: radial-gradient(circle at top right, rgba(133, 216, 255, 0.05), transparent 40%),
                    radial-gradient(circle at bottom left, rgba(133, 216, 255, 0.05), transparent 40%);
  background-attachment: fixed;
}

.container {
  width: 100%;
  max-width: 900px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  padding: 40px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 60px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-main);
  text-decoration: none;
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}

.logo span {
  color: var(--accent);
}

.nav-links a {
  color: var(--text-muted);
  text-decoration: none;
  font-size: 0.95rem;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--accent);
}

/* Hero Section */
.hero {
  text-align: center;
  margin-bottom: 80px;
}

.hero h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  margin-bottom: 16px;
  line-height: 1.1;
  background: linear-gradient(to right, #fff, var(--text-muted));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-muted);
  max-width: 600px;
  margin: 0 auto;
}

/* Articles Section */
.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  margin-bottom: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.section-title::after {
  content: "";
  height: 1px;
  flex: 1;
  background: linear-gradient(to right, var(--border-strong), transparent);
}

.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  margin-bottom: 100px;
}

/* Card */
.article-card {
  position: relative;
  background: var(--panel-bg);
  border: 1px solid var(--border-subtle);
  border-radius: 16px;
  padding: 32px;
  text-decoration: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
  overflow: hidden;
  backdrop-filter: blur(10px);
}

.article-card:hover {
  transform: translateY(-4px);
  border-color: var(--accent);
  box-shadow: 0 12px 30px rgba(0, 0, 0, 0.4),
              0 0 0 1px var(--accent-glow) inset;
}

.article-card::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--border-subtle);
  transition: background 0.3s ease;
}

.article-card:hover::before {
  background: var(--accent);
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 0.85rem;
  font-family: var(--font-mono);
  color: var(--text-faint);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge {
  padding: 4px 10px;
  border-radius: 9999px;
  font-weight: 600;
  font-size: 0.75rem;
}

.status-available {
  background: rgba(133, 216, 255, 0.1);
  color: var(--accent);
  border: 1px solid rgba(133, 216, 255, 0.2);
}

.status-tba {
  background: rgba(153, 169, 189, 0.1);
  color: var(--text-muted);
  border: 1px solid rgba(153, 169, 189, 0.2);
}

.article-card h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-main);
  line-height: 1.3;
  transition: color 0.2s ease;
}

.article-card:hover h2 {
  color: var(--accent);
}

.article-card p {
  color: var(--text-muted);
  font-size: 1rem;
}

/* About */
.about {
  margin-bottom: 100px;
}

.about-text p {
  color: var(--text-muted);
  margin-bottom: 16px;
  max-width: 720px;
}

.about-text a {
  color: var(--accent);
  text-decoration: none;
}

.about-text a:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  margin-top: auto;
  padding: 40px 0;
  border-top: 1px solid var(--border-subtle);
  text-align: center;
}

footer p {
  color: var(--text-faint);
  font-size: 0.9rem;
}

footer a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color 0.2s ease;
}

footer a:hover {
  color: var(--accent);
  text-decoration: underline;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2.5rem;
  }
  .article-card {
    padding: 24px;
  }
}