:root {
  --primary-slate: #0f172a;
  --secondary-slate: #1e293b;
  --tertiary-slate: #334155;
  --accent-blue: #3b82f6;
  --accent-cyan: #06b6d4;
  --accent-emerald: #10b981;
  --warning-amber: #f59e0b;
  --danger-red: #ef4444;
  --text-primary: #f8fafc;
  --text-secondary: #cbd5e1;
  --text-muted: #94a3b8;
  --surface-primary: #1e293b;
  --surface-secondary: #334155;
  --surface-elevated: #475569;
  --border-subtle: #475569;
  --border-strong: #64748b;
  --gradient-primary: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  --gradient-secondary: linear-gradient(135deg, var(--accent-cyan), var(--accent-emerald));
  --gradient-accent: linear-gradient(135deg, var(--warning-amber), var(--accent-blue));
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
  --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
  --transition-fast: all 0.15s ease;
  --transition-normal: all 0.3s ease;
  --transition-slow: all 0.5s ease;
  --border-radius-sm: 6px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --header-height: 80px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background-color: var(--primary-slate);
  color: var(--text-primary);
  line-height: 1.7;
  font-size: 16px;
  overflow-x: hidden;
}

/* Typography */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: "Space Grotesk", sans-serif;
  font-weight: 600;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
}
h2 {
  font-size: clamp(1.5rem, 4vw, 2.5rem);
}
h3 {
  font-size: clamp(1.25rem, 3vw, 1.875rem);
}

p {
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  font-size: 1rem;
  line-height: 1.7;
}

a {
  color: var(--accent-cyan);
  text-decoration: none;
  transition: var(--transition-fast);
}

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

/* Header Styles */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(15, 23, 42, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border-subtle);
  z-index: 1000;
  transition: var(--transition-normal);
}

.header-wrapper {
  max-width: 1400px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 2rem;
  height: var(--header-height);
}

.brand-logo {
  font-size: 1.75rem;
  font-weight: 700;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.brand-logo:hover {
  transform: scale(1.05);
}

.accent-text {
  background: var(--gradient-primary);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mobile-menu-btn {
  display: none;
  flex-direction: column;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
  gap: 4px;
}

.hamburger-line {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: var(--transition-normal);
  border-radius: 2px;
}

.menu-active .hamburger-line:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.menu-active .hamburger-line:nth-child(2) {
  opacity: 0;
}

.menu-active .hamburger-line:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

.primary-navigation {
  display: flex;
}

.nav-menu {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

.nav-link {
  display: block;
  padding: 0.75rem 1.25rem;
  color: var(--text-secondary);
  font-weight: 500;
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--text-primary);
  background: var(--surface-secondary);
}

.nav-link.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

/* Hero Section */
.hero-banner {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: var(--header-height); /* Add this line to fix the header overlap */
}

.hero-background {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, rgba(59, 130, 246, 0.15) 0%, transparent 70%),
    linear-gradient(135deg, var(--primary-slate) 0%, var(--secondary-slate) 100%);
}

.gradient-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(59, 130, 246, 0.1) 0%,
    rgba(6, 182, 212, 0.1) 50%,
    rgba(16, 185, 129, 0.1) 100%
  );
}

.hero-container {
  position: relative;
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  z-index: 2;
}

.hero-text {
  max-width: 800px;
  text-align: center;
  margin: 0 auto;
}

.hero-title {
  background: linear-gradient(135deg, var(--text-primary), var(--accent-cyan));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 2rem;
  font-weight: 700;
}

.promotion-card {
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-xl);
  padding: 2rem;
  margin: 2rem 0;
  position: relative;
  overflow: hidden;
}

.promotion-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-primary);
}

.promo-title {
  color: var(--accent-cyan);
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.promo-description,
.promo-details {
  color: var(--text-secondary);
  margin-bottom: 1rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}

/* Buttons */
.cta-button {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 2rem;
  border-radius: var(--border-radius-lg);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition-normal);
  position: relative;
  overflow: hidden;
  text-decoration: none;
}

.primary-cta {
  background: var(--gradient-primary);
  color: white;
  box-shadow: var(--shadow-lg);
}

.primary-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-xl);
  color: white;
}

.secondary-cta {
  background: var(--surface-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border-subtle);
}

.secondary-cta:hover {
  background: var(--surface-elevated);
  color: var(--text-primary);
  transform: translateY(-1px);
}

/* Main Content */
.main-content {
  position: relative;
  z-index: 1;
}

.content-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.title-underline {
  width: 80px;
  height: 4px;
  background: var(--gradient-primary);
  margin: 0 auto;
  border-radius: 2px;
}

/* Intro Section */
.intro-section {
  padding: 5rem 0;
  background: var(--secondary-slate);
}

.intro-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 3rem;
  align-items: center;
}

.status-indicator {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem 1.5rem;
  background: var(--surface-primary);
  border-radius: var(--border-radius-lg);
  border: 1px solid var(--border-subtle);
}

.status-dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--accent-emerald);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%,
  100% {
    opacity: 1;
  }
  50% {
    opacity: 0.5;
  }
}

/* Address Section */
.addresses-section {
  padding: 5rem 0;
}

.address-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.address-card {
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
  transition: var(--transition-normal);
  position: relative;
}

.address-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-xl);
  border-color: var(--accent-blue);
}

.address-card.featured {
  border: 2px solid var(--accent-blue);
  background: linear-gradient(135deg, var(--surface-primary), var(--surface-secondary));
}

.card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  border-bottom: 1px solid var(--border-subtle);
}

.status-badge {
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.status-badge.active {
  background: rgba(16, 185, 129, 0.2);
  color: var(--accent-emerald);
  border: 1px solid var(--accent-emerald);
}

.card-icon {
  font-size: 1.5rem;
  color: var(--accent-cyan);
}

.card-body {
  padding: 1.5rem;
}

.card-title {
  color: var(--text-primary);
  font-size: 1.25rem;
  margin-bottom: 0.5rem;
}

.card-description {
  color: var(--text-muted);
  margin-bottom: 1rem;
}

.card-features {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.feature-tag {
  padding: 0.25rem 0.5rem;
  background: var(--surface-secondary);
  color: var(--text-secondary);
  border-radius: var(--border-radius-sm);
  font-size: 0.75rem;
}

.card-footer {
  padding: 1.5rem;
  border-top: 1px solid var(--border-subtle);
}

.access-button {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.75rem 1.5rem;
  background: var(--gradient-secondary);
  color: white;
  border-radius: var(--border-radius-md);
  font-weight: 600;
  transition: var(--transition-fast);
}

.access-button:hover {
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
  color: white;
}

/* Features Section */
.features-section {
  padding: 5rem 0;
  background: var(--secondary-slate);
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.feature-card {
  display: flex;
  gap: 1.5rem;
  padding: 2rem;
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-lg);
  transition: var(--transition-normal);
}

.feature-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lg);
}

.feature-icon {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  border-radius: var(--border-radius-lg);
  color: white;
  font-size: 1.5rem;
}

.feature-title {
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.feature-description {
  color: var(--text-secondary);
  margin: 0;
}

/* Page Content (Subpage) */
.page-content {
  padding-top: calc(var(--header-height) + 2rem);
  padding-bottom: 4rem;
}

.article-container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 2rem;
}

.article-header {
  margin-bottom: 2rem;
}

.breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.breadcrumb a {
  color: var(--accent-cyan);
}

.breadcrumb i {
  font-size: 0.75rem;
}

.page-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.title-accent {
  width: 60px;
  height: 4px;
  background: var(--gradient-primary);
  border-radius: 2px;
}

.featured-image {
  position: relative;
  margin-bottom: 3rem;
  border-radius: var(--border-radius-xl);
  overflow: hidden;
}

.article-image {
  width: 100%;
  height: 400px;
  object-fit: cover;
  display: block;
}

.image-overlay {
  position: absolute;
  top: 1rem;
  right: 1rem;
}

.status-badge.live {
  background: rgba(239, 68, 68, 0.2);
  color: var(--danger-red);
  border: 1px solid var(--danger-red);
  animation: pulse 2s infinite;
}

.article-content {
  background: var(--surface-primary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-xl);
  overflow: hidden;
}

.content-block {
  padding: 2rem;
}

.lead-paragraph {
  font-size: 1.125rem;
  color: var(--text-primary);
  font-weight: 500;
  line-height: 1.8;
}

.cta-section {
  text-align: center;
  margin: 2rem 0;
}

.bonus-button {
  position: relative;
  display: inline-flex;
  align-items: center;
  padding: 1.25rem 2.5rem;
  background: var(--gradient-accent);
  color: white;
  border-radius: var(--border-radius-lg);
  font-weight: 700;
  font-size: 1.125rem;
  box-shadow: var(--shadow-lg);
  transition: var(--transition-normal);
  overflow: hidden;
}

.bonus-button:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-xl);
  color: white;
}

.button-content {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  position: relative;
  z-index: 2;
}

.button-shine {
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: left 0.5s;
}

.bonus-button:hover .button-shine {
  left: 100%;
}

.notification-box {
  display: flex;
  gap: 1rem;
  padding: 1.5rem;
  margin: 2rem 0;
  background: rgba(59, 130, 246, 0.1);
  border: 1px solid var(--accent-blue);
  border-radius: var(--border-radius-lg);
}

.notification-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--accent-blue);
  border-radius: 50%;
  color: white;
}

.notification-title {
  color: var(--accent-blue);
  margin-bottom: 0.5rem;
}

.notification-content p {
  margin: 0;
  color: var(--text-secondary);
}

.features-showcase {
  padding: 2rem;
  background: var(--secondary-slate);
}

.showcase-title {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  text-align: center;
}

.benefits-grid {
  display: grid;
  gap: 1rem;
}

.benefit-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem;
  background: var(--surface-primary);
  border-radius: var(--border-radius-md);
  transition: var(--transition-fast);
}

.benefit-item:hover {
  background: var(--surface-secondary);
}

.benefit-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-emerald);
}

.related-section {
  padding: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.related-title {
  color: var(--text-primary);
  margin-bottom: 1.5rem;
  text-align: center;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1rem;
}

.related-card {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--border-radius-md);
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.related-card:hover {
  background: var(--surface-elevated);
  border-color: var(--accent-blue);
  color: var(--text-primary);
}

.related-card.active {
  background: var(--gradient-primary);
  border-color: transparent;
  color: white;
}

.related-card.active:hover {
  color: white;
}

.card-text {
  flex: 1;
  font-weight: 500;
}

.card-arrow {
  opacity: 0.7;
}

/* Footer */
.site-footer {
  background: var(--primary-slate);
  border-top: 1px solid var(--border-subtle);
  padding: 3rem 0 1rem;
}

.footer-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-title {
  color: var(--text-primary);
  margin-bottom: 1rem;
  font-size: 1.125rem;
}

.footer-text {
  color: var(--text-muted);
  margin: 0;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.5rem;
}

.footer-links a {
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

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

.social-links {
  display: flex;
  gap: 1rem;
}

.social-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background: var(--surface-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: 50%;
  color: var(--text-secondary);
  transition: var(--transition-fast);
}

.social-link:hover {
  background: var(--accent-blue);
  border-color: var(--accent-blue);
  color: white;
  transform: translateY(-2px);
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 2rem;
  border-top: 1px solid var(--border-subtle);
}

.copyright-text {
  color: var(--text-muted);
  margin: 0;
}

.dmca-link img {
  opacity: 0.7;
  transition: var(--transition-fast);
}

.dmca-link:hover img {
  opacity: 1;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

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

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

@media (max-width: 768px) {
  .mobile-menu-btn {
    display: flex;
  }

  .primary-navigation {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: rgba(15, 23, 42, 0.98);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border-subtle);
    transform: translateY(-100%);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-normal);
  }

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

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

  .nav-link {
    padding: 1rem;
    border-radius: var(--border-radius-md);
  }

  .hero-container {
    padding: 0 1rem;
  }

  .content-container,
  .article-container {
    padding: 0 1rem;
  }

  .promotion-card {
    padding: 1.5rem;
  }

  .cta-button {
    padding: 0.875rem 1.5rem;
    font-size: 0.875rem;
  }

  .feature-card {
    flex-direction: column;
    text-align: center;
    gap: 1rem;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }

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

  .benefits-grid {
    gap: 0.75rem;
  }

  .benefit-item {
    padding: 0.75rem;
  }
}

@media (max-width: 480px) {
  .header-wrapper {
    padding: 0 1rem;
  }

  .hero-title {
    font-size: 2rem;
  }

  .promotion-card {
    padding: 1rem;
  }

  .promo-title {
    font-size: 1.25rem;
  }

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

  .card-header,
  .card-body,
  .card-footer {
    padding: 1rem;
  }

  .content-block {
    padding: 1.5rem;
  }

  .features-showcase {
    padding: 1.5rem;
  }

  .related-section {
    padding: 1.5rem;
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus styles for better accessibility */
button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 2px solid var(--accent-blue);
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --text-primary: #ffffff;
    --text-secondary: #e2e8f0;
    --border-subtle: #64748b;
  }
}