/* --- Google Font Import --- */
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@400;600;700&display=swap');

/* --- CSS Variables (Tech / Futuristic Theme) --- */
:root {
  --bg-color: #0a0a1a;
  --primary-text: #e0e0e0;
  --heading-text: #ffffff;
  --accent-primary: #00f0ff; /* Cyan */
  --accent-secondary: #3d52d5; /* Blue */
  --card-bg: #1a1a2e;
  --border-color: #33334e;
  --shadow-color: rgba(0, 240, 255, 0.1);
  --font-main: 'JetBrains Mono', monospace;
}

/* --- Global & Reset Styles --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--primary-text);
  line-height: 1.7;
  font-size: 16px;
}

/* --- Typography --- */
h1, h2, h3, h4, h5, h6 {
  color: var(--heading-text);
  margin-bottom: 1rem;
  line-height: 1.3;
  font-weight: 700;
  text-shadow: 0 0 5px rgba(0, 240, 255, 0.2);
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2.0rem; }
h3 { font-size: 1.4rem; }
p { margin-bottom: 1.5rem; }

a {
  color: var(--accent-primary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease, text-shadow 0.3s ease;
}

a:hover {
  color: #fff;
  text-decoration: none;
  text-shadow: 0 0 8px var(--accent-primary);
}

/* --- Layout --- */
.container {
  width: 90%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 2.5rem 0;
}

.main-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.5rem;
}

@media (min-width: 992px) {
  .main-layout {
    grid-template-columns: 3fr 1fr;
  }
}

/* --- Header & Navigation --- */
.site-header {
  background-color: rgba(10, 10, 26, 0.8);
  padding: 1rem 0;
  border-bottom: 1px solid var(--border-color);
  box-shadow: 0 4px 12px rgba(0,0,0,0.5);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(10px);
}

.header-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.2rem;
}

.site-title {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--heading-text);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 2.5px;
}

.main-nav ul {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 2.5rem;
}

.main-nav a {
  font-weight: 600;
  padding-bottom: 0.5rem;
  position: relative;
  font-size: 1rem;
  text-transform: uppercase;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--accent-primary);
    transform: scaleX(0);
    transform-origin: center;
    transition: transform 0.4s ease;
}


.main-nav a:hover::after,
.main-nav a.active::after {
  transform: scaleX(1);
}

/* --- Main Content & Articles --- */
.article-list {
  display: grid;
  gap: 2rem;
}

.article-card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: 2rem;
  box-shadow: 0 0 15px var(--shadow-color);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  position: relative;
  overflow: hidden;
}

.article-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(transparent, var(--accent-primary), transparent 30%);
    animation: rotate 4s linear infinite;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.article-card:hover::before {
    opacity: 1;
}

.article-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 0 25px var(--shadow-color);
}

.article-card > * {
    position: relative;
    z-index: 2;
}


.article-card h2 {
    margin-top: 0;
    color: var(--accent-primary);
}

.btn-read-more {
  display: inline-block;
  background-color: transparent;
  border: 2px solid var(--accent-primary);
  color: var(--accent-primary);
  padding: 0.7rem 1.6rem;
  border-radius: 5px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  transition: background-color 0.3s ease, color 0.3s ease;
}

.btn-read-more:hover {
  background-color: var(--accent-primary);
  color: var(--bg-color);
  box-shadow: 0 0 15px var(--accent-primary);
  text-shadow: none;
}

/* --- Article Page Specific --- */
.article-header {
  margin-bottom: 2rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border-color);
}

.article-meta {
  font-size: 0.9rem;
  color: var(--accent-primary);
  opacity: 0.8;
  margin-top: -0.5rem;
  text-transform: uppercase;
}

.article-content {
    background: var(--card-bg);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    padding: 2.5rem;
}

.article-content h2, .article-content h3 {
    color: var(--accent-primary);
    margin-top: 2rem;
}

.article-content ul {
    list-style-type: none;
    margin-bottom: 1.5rem;
    padding-left: 0;
}

.article-content ul li {
    padding-left: 2rem;
    position: relative;
    margin-bottom: 0.75rem;
}

.article-content ul li::before {
    content: '>>';
    font-family: monospace;
    position: absolute;
    left: 0;
    color: var(--accent-primary);
    font-weight: 700;
}


.cta-box {
    background-color: rgba(0, 240, 255, 0.05);
    border: 1px solid var(--border-color);
    border-left: 4px solid var(--accent-primary);
    padding: 2rem;
    border-radius: 5px;
    margin-top: 2.5rem;
    text-align: center;
}
.cta-box h3 {
    color: var(--accent-primary);
}

/* --- Sidebar --- */
.sidebar-widget {
  background: var(--card-bg);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  padding: 1.5rem;
  margin-bottom: 2rem;
}

.sidebar-widget h3 {
  color: var(--accent-primary);
  margin-top: 0;
  margin-bottom: 1rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid var(--border-color);
}

.sidebar-widget ul {
  list-style: none;
}

.sidebar-widget ul li {
  margin-bottom: 0.75rem;
}

.sidebar-widget ul li a::before {
  content: '>';
  font-family: monospace;
  color: var(--accent-primary);
  margin-right: 10px;
  transition: margin-right 0.3s ease;
  display: inline-block;
}

.sidebar-widget ul li a:hover::before {
    margin-right: 15px;
}

/* --- Footer --- */
.site-footer {
  text-align: center;
  padding: 2.5rem 0;
  margin-top: 2rem;
  border-top: 1px solid var(--border-color);
  font-size: 0.9rem;
  color: #888;
  background-color: var(--bg-color);
}

/* --- Animations --- */
@keyframes rotate {
    100% { transform: rotate(1turn); }
}


/* --- Media Queries --- */
@media (max-width: 768px) {
  body {
    font-size: 15px;
  }
  h1 { font-size: 2.0rem; }
  h2 { font-size: 1.7rem; }
  
  .header-content {
    flex-direction: column;
  }

  .main-nav ul {
    gap: 0.5rem 1.5rem;
  }

  .article-content {
    padding: 1.5rem;
  }
}