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

:root {
  --bg-color: #1a1a2e;
  --container-bg: #16213e;
  --header-footer-bg: #0f3460;
  --primary-text: #e0e0e0;
  --secondary-text: #a8a8b3;
  --accent-color: #00f5ff;
  --accent-hover: #4dffff;
  --border-color: #3a3a5e;
  --font-family: 'JetBrains Mono', monospace;
}

/* --- General Resets & Body --- */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
}

a {
  color: var(--accent-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

h1, h2, h3, h4 {
  color: var(--primary-text);
  margin-bottom: 1rem;
  line-height: 1.3;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

p {
  margin-bottom: 1rem;
  color: var(--secondary-text);
}

/* --- Header & Navigation --- */
.site-header {
  background-color: var(--header-footer-bg);
  padding: 1rem 0;
  border-bottom: 2px solid var(--accent-color);
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.site-title {
  font-size: 1.8rem;
  font-weight: 700;
}

.site-title a {
  text-decoration: none;
  color: var(--primary-text);
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 1.5rem;
}

.main-nav a {
  font-weight: 700;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Main Layout --- */
.main-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding: 2rem 0;
}

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

/* --- Articles Grid (Homepage) --- */
.articles-section h2 {
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 1rem;
    margin-top: 2rem;
}

.articles-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

@media (min-width: 768px) {
  .articles-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

.article-card {
  background-color: var(--container-bg);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 245, 255, 0.1);
}

.card-content {
  padding: 1.5rem;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.card-content h3 {
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.card-content p {
  color: var(--secondary-text);
  font-size: 0.9rem;
  flex-grow: 1;
}

.read-more-btn {
  display: inline-block;
  margin-top: 1rem;
  font-weight: 700;
  align-self: flex-start;
}

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

.sidebar-widget h3 {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 0.75rem;
  margin-bottom: 1rem;
  font-size: 1.2rem;
}

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

.sidebar-widget ul li {
  margin-bottom: 0.5rem;
}

.sidebar-widget ul li a {
  color: var(--secondary-text);
}
.sidebar-widget ul li a:hover {
  color: var(--accent-hover);
}

.promo-text {
  background-color: var(--header-footer-bg);
  padding: 1rem;
  border-radius: 4px;
  text-align: center;
  font-weight: bold;
  font-style: italic;
  border-left: 4px solid var(--accent-color);
}

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

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

.article-meta {
    font-size: 0.9rem;
    color: var(--secondary-text);
    margin-top: -1rem;
    margin-bottom: 1rem;
}
.article-meta span {
    margin-right: 1rem;
}

.article-content {
    background-color: var(--container-bg);
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.article-content h2 {
    margin-top: 2rem;
}
.article-content h3 {
    margin-top: 1.5rem;
}

.cta-box {
    background-color: var(--header-footer-bg);
    border: 1px solid var(--accent-color);
    padding: 1.5rem;
    margin: 2rem 0;
    text-align: center;
    border-radius: 8px;
}

/* --- Simple Pages (About, Contact, etc.) --- */
.page-header {
  text-align: center;
  padding: 3rem 0;
  background-color: var(--container-bg);
  border-bottom: 1px solid var(--border-color);
  margin-bottom: 2rem;
}
.page-content {
  padding: 0 1rem;
  max-width: 800px;
  margin: 0 auto;
}
.page-content p {
  font-size: 1.1rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}
.contact-form input, .contact-form textarea {
    padding: 0.8rem;
    background: var(--bg-color);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    color: var(--primary-text);
    font-family: var(--font-family);
}
.contact-form button {
    padding: 1rem;
    background-color: var(--accent-color);
    border: none;
    border-radius: 4px;
    color: var(--bg-color);
    font-weight: 700;
    cursor: pointer;
    transition: background-color 0.3s ease;
}
.contact-form button:hover {
    background-color: var(--accent-hover);
}
