/* Modern Dark Design - betting.team style */
:root {
  --primary: #00d9ff;
  --primary-dark: #00b8db;
  --secondary: #7c3aed;
  --bg-dark: #0a0e27;
  --bg-card: #151937;
  --bg-card-hover: #1a1f47;
  --text-primary: #ffffff;
  --text-secondary: #a0aec0;
  --border: rgba(255, 255, 255, 0.1);
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
  scroll-behavior: smooth;
}

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

.skip-to-content {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--primary);
  color: var(--bg-dark);
  padding: 8px 16px;
  text-decoration: none;
  border-radius: 0 0 4px 0;
  z-index: 100;
  font-weight: 600;
}

.skip-to-content:focus {
  top: 0;
  outline: 3px solid var(--primary);
  outline-offset: 2px;
}

/* Header */
header {
  background: rgba(10, 14, 39, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.header-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 1rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-decoration: none;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
}

nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}

nav a:hover,
nav a:focus {
  color: var(--primary);
  outline: none;
}

nav a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
  border-radius: 4px;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary);
  transition: width 0.3s ease;
}

nav a:hover::after {
  width: 100%;
}

.mobile-menu-btn {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
}

.mobile-menu-btn:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Main Content */
main {
  max-width: 1280px;
  margin: 0 auto;
  padding: 2rem 1.5rem;
  min-height: calc(100vh - 200px);
}

/* Hero Section */
.hero {
  text-align: center;
  padding: 4rem 0;
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.1), rgba(0, 217, 255, 0.1));
  border-radius: 16px;
  margin-bottom: 4rem;
  border: 1px solid var(--border);
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1rem;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero p {
  font-size: 1.25rem;
  color: var(--text-secondary);
  max-width: 700px;
  margin: 0 auto;
}

/* Cards */
.articles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  margin-bottom: 4rem;
}

.article-card {
  background: var(--bg-card);
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.article-card:hover,
.article-card:focus-within {
  transform: translateY(-4px);
  border-color: var(--primary);
  box-shadow: var(--shadow);
  background: var(--bg-card-hover);
}

.article-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

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

.article-card h3 {
  font-size: 1.25rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.article-card h3 a {
  color: inherit;
  text-decoration: none;
  transition: var(--transition);
}

.article-card h3 a:hover {
  color: var(--primary);
}

.article-card h3 a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
  border-radius: 4px;
}

.article-meta {
  display: flex;
  gap: 1rem;
  color: var(--text-secondary);
  font-size: 0.875rem;
  margin-bottom: 1rem;
}

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

.read-more {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  transition: var(--transition);
  align-self: flex-start;
}

.read-more:hover {
  gap: 0.75rem;
  color: var(--primary-dark);
}

.read-more:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Article Page */
.article-header {
  margin-bottom: 3rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border);
}

.article-title {
  font-size: clamp(2rem, 4vw, 3rem);
  margin-bottom: 1.5rem;
  line-height: 1.2;
}

.article-image {
  width: 100%;
  max-height: 500px;
  object-fit: cover;
  border-radius: 12px;
  margin: 2rem 0;
  border: 1px solid var(--border);
}

.article-content {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.125rem;
  line-height: 1.8;
}

.article-content h2 {
  font-size: 2rem;
  margin: 2.5rem 0 1.5rem;
  color: var(--text-primary);
  position: relative;
  padding-left: 1rem;
}

.article-content h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.25rem;
  width: 4px;
  height: 2rem;
  background: linear-gradient(180deg, var(--primary), var(--secondary));
  border-radius: 2px;
}

.article-content h3 {
  font-size: 1.5rem;
  margin: 2rem 0 1rem;
  color: var(--text-primary);
}

.article-content p {
  margin-bottom: 1.5rem;
  color: var(--text-secondary);
}

.article-content ul,
.article-content ol {
  margin: 1.5rem 0;
  padding-left: 2rem;
  color: var(--text-secondary);
}

.article-content li {
  margin-bottom: 0.75rem;
}

.article-content a {
  color: var(--primary);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: var(--transition);
}

.article-content a:hover {
  border-bottom-color: var(--primary);
}

.article-content a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Table */
table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: var(--bg-card);
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--border);
}

th,
td {
  padding: 1rem;
  text-align: left;
  border-bottom: 1px solid var(--border);
}

th {
  background: rgba(124, 58, 237, 0.2);
  color: var(--text-primary);
  font-weight: 600;
}

tr:last-child td {
  border-bottom: none;
}

tr:hover {
  background: rgba(0, 217, 255, 0.05);
}

/* Checklist */
.checklist {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 2rem;
  margin: 2rem 0;
  border: 1px solid var(--border);
}

.checklist h3 {
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.checklist ul {
  list-style: none;
  padding: 0;
}

.checklist li {
  padding: 0.75rem 0;
  padding-left: 2rem;
  position: relative;
}

.checklist li::before {
  content: '✓';
  position: absolute;
  left: 0;
  color: var(--primary);
  font-weight: bold;
  font-size: 1.25rem;
}

/* FAQ */
.faq {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 2rem;
  margin: 3rem 0;
  border: 1px solid var(--border);
}

.faq h2 {
  margin-bottom: 2rem;
  color: var(--primary);
}

.faq-item {
  margin-bottom: 1.5rem;
  padding-bottom: 1.5rem;
  border-bottom: 1px solid var(--border);
}

.faq-item:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.faq-question {
  font-weight: 600;
  font-size: 1.125rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

.faq-answer {
  color: var(--text-secondary);
  line-height: 1.6;
}

/* CTA */
.cta-box {
  background: linear-gradient(135deg, rgba(124, 58, 237, 0.2), rgba(0, 217, 255, 0.2));
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  margin: 3rem 0;
  text-align: center;
}

.cta-box h3 {
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.cta-box p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
}

.btn {
  display: inline-block;
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: var(--bg-dark);
  padding: 0.875rem 2rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
  border: none;
  cursor: pointer;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(0, 217, 255, 0.3);
}

.btn:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 4px;
}

/* Related Articles */
.related-articles {
  margin-top: 4rem;
  padding-top: 3rem;
  border-top: 2px solid var(--border);
}

.related-articles h2 {
  margin-bottom: 2rem;
  text-align: center;
}

/* About Section */
.about-section {
  background: var(--bg-card);
  border-radius: 12px;
  padding: 3rem;
  margin: 3rem 0;
  border: 1px solid var(--border);
}

.about-section h2 {
  margin-bottom: 1.5rem;
  color: var(--primary);
}

.about-section p {
  color: var(--text-secondary);
  margin-bottom: 1rem;
  line-height: 1.8;
}

/* Privacy Policy */
.privacy-content {
  max-width: 900px;
  margin: 0 auto;
}

.privacy-content h2 {
  margin: 2.5rem 0 1.5rem;
  color: var(--primary);
}

.privacy-content h3 {
  margin: 2rem 0 1rem;
  color: var(--text-primary);
}

.privacy-content p,
.privacy-content li {
  color: var(--text-secondary);
  line-height: 1.8;
}

.privacy-content ul {
  margin: 1rem 0;
  padding-left: 2rem;
}

.contact-email {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.contact-email:hover {
  text-decoration: underline;
}

/* Footer */
footer {
  background: rgba(10, 14, 39, 0.95);
  border-top: 1px solid var(--border);
  padding: 2rem 0;
  margin-top: 4rem;
}

.footer-container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
  text-align: center;
  color: var(--text-secondary);
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 2rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.footer-links a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: var(--transition);
}

.footer-links a:hover {
  color: var(--primary);
}

.footer-links a:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 4px;
  border-radius: 4px;
}

/* Mobile Responsive */
@media (max-width: 768px) {
  .header-container {
    padding: 1rem;
  }

  nav {
    position: fixed;
    top: 64px;
    left: 0;
    width: 100%;
    background: var(--bg-dark);
    border-bottom: 1px solid var(--border);
    transform: translateY(-100%);
    transition: transform 0.3s ease;
    opacity: 0;
    visibility: hidden;
  }

  nav.mobile-menu-open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
  }

  nav ul {
    flex-direction: column;
    gap: 0;
    padding: 1rem 0;
  }

  nav li {
    border-bottom: 1px solid var(--border);
  }

  nav a {
    display: block;
    padding: 1rem 1.5rem;
  }

  .mobile-menu-btn {
    display: block;
  }

  .articles-grid {
    grid-template-columns: 1fr;
  }

  .hero {
    padding: 2rem 1rem;
  }

  main {
    padding: 1.5rem 1rem;
  }

  .article-content {
    font-size: 1rem;
  }

  .about-section {
    padding: 2rem 1.5rem;
  }
}

/* Focus visible improvements */
*:focus {
  outline: none;
}

*:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}