/* RizzEmail - Clean Professional Styles */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --secondary: #0f172a;
  --accent: #f59e0b;
  --text: #334155;
  --text-light: #64748b;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --border: #e2e8f0;
  --success: #10b981;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  line-height: 1.6;
  background: var(--bg);
}

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

a:hover {
  color: var(--primary-dark);
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

/* Header */
header {
  background: var(--bg);
  border-bottom: 1px solid var(--border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--secondary);
}

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

nav a {
  color: var(--text);
  margin-left: 32px;
  font-weight: 500;
}

nav a:hover {
  color: var(--primary);
}

/* Hero */
.hero {
  padding: 80px 0 60px;
  text-align: center;
  background: linear-gradient(180deg, var(--bg-alt) 0%, var(--bg) 100%);
}

.hero h1 {
  font-size: 3rem;
  color: var(--secondary);
  margin-bottom: 20px;
  line-height: 1.2;
}

.hero h1 span {
  color: var(--primary);
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto 32px;
}

.cta-btn {
  display: inline-block;
  background: var(--primary);
  color: white;
  padding: 14px 32px;
  border-radius: 8px;
  font-weight: 600;
  font-size: 1rem;
  transition: background 0.2s, transform 0.2s;
}

.cta-btn:hover {
  background: var(--primary-dark);
  color: white;
  transform: translateY(-2px);
}

/* Features */
.features {
  padding: 60px 0;
}

.features h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--secondary);
  margin-bottom: 40px;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}

.feature-card .icon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.feature-card h3 {
  color: var(--secondary);
  margin-bottom: 8px;
}

.feature-card p {
  color: var(--text-light);
  font-size: 0.95rem;
}

/* Blog Section */
.blog-section {
  padding: 60px 0;
  background: var(--bg-alt);
}

.blog-section h2 {
  text-align: center;
  font-size: 2rem;
  color: var(--secondary);
  margin-bottom: 40px;
}

.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 24px;
}

.blog-card {
  background: var(--bg);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: box-shadow 0.2s, transform 0.2s;
}

.blog-card:hover {
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
  transform: translateY(-4px);
}

.blog-card-content {
  padding: 24px;
}

.blog-card .tag {
  display: inline-block;
  background: var(--bg-alt);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 500;
  margin-bottom: 12px;
}

.blog-card h3 {
  color: var(--secondary);
  margin-bottom: 8px;
  font-size: 1.15rem;
  line-height: 1.4;
}

.blog-card p {
  color: var(--text-light);
  font-size: 0.9rem;
  margin-bottom: 16px;
}

.blog-card .read-more {
  font-weight: 500;
  font-size: 0.9rem;
}

/* Article Page */
.article {
  padding: 40px 0 80px;
}

.article-header {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: center;
}

.article-header .tag {
  display: inline-block;
  background: var(--bg-alt);
  color: var(--primary);
  padding: 6px 16px;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 500;
  margin-bottom: 16px;
}

.article-header h1 {
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 16px;
  line-height: 1.3;
}

.article-meta {
  color: var(--text-light);
  font-size: 0.9rem;
}

.article-content {
  max-width: 720px;
  margin: 0 auto;
}

.article-content h2 {
  font-size: 1.75rem;
  color: var(--secondary);
  margin: 48px 0 20px;
}

.article-content h3 {
  font-size: 1.35rem;
  color: var(--secondary);
  margin: 32px 0 16px;
}

.article-content p {
  margin-bottom: 20px;
  font-size: 1.1rem;
  line-height: 1.8;
}

.article-content ul, .article-content ol {
  margin: 20px 0 20px 24px;
}

.article-content li {
  margin-bottom: 10px;
  font-size: 1.1rem;
  line-height: 1.7;
}

.article-content blockquote {
  border-left: 4px solid var(--primary);
  padding-left: 24px;
  margin: 32px 0;
  font-style: italic;
  color: var(--text-light);
  font-size: 1.15rem;
}

.article-content .template-box {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 24px;
  margin: 24px 0;
  font-family: monospace;
  font-size: 0.95rem;
  white-space: pre-wrap;
  line-height: 1.6;
}

.article-content .tip-box {
  background: #eff6ff;
  border-left: 4px solid var(--primary);
  padding: 20px 24px;
  margin: 24px 0;
  border-radius: 0 8px 8px 0;
}

.article-content .tip-box strong {
  color: var(--primary);
}

.article-content strong {
  color: var(--secondary);
}

/* Blog List Page */
.blog-list {
  padding: 60px 0;
}

.blog-list h1 {
  text-align: center;
  font-size: 2.5rem;
  color: var(--secondary);
  margin-bottom: 16px;
}

.blog-list .subtitle {
  text-align: center;
  color: var(--text-light);
  margin-bottom: 48px;
  font-size: 1.1rem;
}

/* Footer */
footer {
  background: var(--secondary);
  color: white;
  padding: 48px 0 24px;
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 40px;
  margin-bottom: 40px;
}

.footer-section h4 {
  margin-bottom: 16px;
  font-size: 1rem;
}

.footer-section a {
  display: block;
  color: #94a3b8;
  margin-bottom: 8px;
  font-size: 0.9rem;
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  text-align: center;
  padding-top: 24px;
  border-top: 1px solid #334155;
  color: #64748b;
  font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 768px) {
  .hero h1 {
    font-size: 2rem;
  }
  
  .hero p {
    font-size: 1rem;
  }
  
  nav {
    display: none;
  }
  
  .article-header h1 {
    font-size: 1.75rem;
  }
  
  .article-content p,
  .article-content li {
    font-size: 1rem;
  }
}