:root {
  /* Color Palette - Modern Dark Theme */
  --bg-color: #0d1117;
  --bg-secondary: #161b22;
  --text-primary: #c9d1d9;
  --text-secondary: #8b949e;
  --accent-primary: #58a6ff;
  --accent-secondary: #1f6feb;
  --border-color: #30363d;
  --header-bg: rgba(22, 27, 34, 0.8);

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --font-size-base: 16px;
  --line-height: 1.6;

  /* Spacing & Layout */
  --container-width: 52rem;
  --header-height: 4rem;
  --transition-speed: 0.3s;
}

/* RESET & BASE */
* {
  box-sizing: border-box;
}

body {
  background-color: var(--bg-color);
  color: var(--text-primary);
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height);
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--accent-primary);
  text-decoration: none;
  transition: color var(--transition-speed);
}

a:hover {
  color: var(--accent-secondary);
}

h1,
h2,
h3,
h4,
h5,
h6 {
  color: #f0f6fc;
  margin-top: 2rem;
  margin-bottom: 1rem;
  line-height: 1.25;
}

/* LAYOUT COMPONENTS */
.container {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

.content {
  padding: 2rem 0;
}

/* SITE HEADER */
.site-header {
  background: linear-gradient(to right, var(--bg-secondary), var(--bg-color));
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  width: 100%;
}

.site-nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

.site-nav .logo {
  font-size: 1.25rem;
  font-weight: 700;
  color: #f0f6fc;
  letter-spacing: -0.025em;
}

/* HERO SECTION */
.hero {
  position: relative;
  width: 100%;
  height: 400px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  border-bottom: 1px solid var(--border-color);
}

.hero-content h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin: 0;
  background: linear-gradient(to bottom, #ffffff, #8b949e);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  letter-spacing: -0.05em;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-top: 1rem;
}

@media (max-width: 640px) {
  .hero {
    height: 300px;
  }

  .hero-content h1 {
    font-size: 2.5rem;
  }
}

.main-menu {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
  gap: 1.5rem;
}

.main-menu a {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
}

.main-menu a:hover {
  color: var(--accent-primary);
}

/* POST LISTS */
.post-snippet {
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  transition: transform var(--transition-speed), border-color var(--transition-speed);
}

.post-snippet:hover {
  transform: translateY(-2px);
  border-color: var(--accent-primary);
}

.post-snippet h2 {
  margin-top: 0;
  margin-bottom: 0.5rem;
  font-size: 1.5rem;
}

.post-snippet time {
  font-size: 0.825rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  display: block;
  margin-bottom: 0.75rem;
}

.post-snippet .summary {
  color: var(--text-secondary);
}

/* SITE FOOTER */
.site-footer {
  margin-top: 4rem;
  padding: 3rem 0;
  border-top: 1px solid var(--border-color);
  background-color: var(--bg-secondary);
  color: var(--text-secondary);
  font-size: 0.875rem;
  text-align: center;
}

/* EVENT SECTION */
.event-container {
  display: flex;
  gap: 1.5rem;
  margin: 2rem 0;
  flex-wrap: wrap;
}

.event-box {
  display: block;
  flex: 1;
  min-width: 300px;
  height: 250px;
  background-size: cover;
  background-position: center;
  border-radius: 12px;
  overflow: hidden;
  position: relative;
  border: 1px solid var(--border-color);
  transition: transform var(--transition-speed);
}

.event-box:hover {
  transform: scale(1.02);
}

.event-box::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(to top, rgba(13, 17, 23, 0.9), transparent);
  z-index: 1;
}

.event-content {
  position: absolute;
  bottom: 0;
  left: 0;
  padding: 1.5rem;
  z-index: 2;
}

.event-content h3 {
  margin: 0;
  font-size: 1.25rem;
  color: #fff;
}

.event-content p {
  margin: 0.5rem 0 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
}

.event-date {
  display: inline-block;
  margin-top: 0.75rem;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--accent-primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* CTA BUTTON */
.cta-container {
  margin-top: 3rem;
  padding: 2rem 0;
  border-top: 1px solid var(--border-color);
}

.cta-button {
  display: inline-block;
  background-color: var(--accent-primary);
  color: #0d1117 !important;
  padding: 0.875rem 2rem;
  border-radius: 6px;
  font-weight: 700;
  font-size: 1rem;
  transition: transform var(--transition-speed), background-color var(--transition-speed);
}

.cta-button:hover {
  background-color: #fff;
  transform: translateY(-2px);
  color: #0d1117 !important;
}

/* MEDIA QUERIES */
@media (max-width: 640px) {
  .site-nav {
    flex-direction: column;
    height: auto;
    padding: 1rem 0;
    gap: 1rem;
  }

  .main-menu {
    gap: 1rem;
  }

  .content {
    padding: 16px;
  }
}