/* CSS Variables - Design System */
:root {
  /* Colors from reference */
  --bg-primary: #0a0e1a;
  --bg-secondary: #151923;
  --bg-card: #1a1f2e;
  --bg-card-hover: #1f2533;
  --accent-primary: #00d4d4;
  --accent-secondary: #8b5cf6;
  --text-primary: #ffffff;
  --text-secondary: #a0aec0;
  --text-muted: #718096;
  --border-color: #2d3748;
  --gradient-1: linear-gradient(135deg, #00d4d4 0%, #8b5cf6 100%);
  --gradient-2: linear-gradient(135deg, rgba(0, 212, 212, 0.1) 0%, rgba(139, 92, 246, 0.1) 100%);

  /* Typography */
  --font-primary: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-display: "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  /* Spacing */
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --spacing-xxl: 4rem;

  /* Border radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 1rem;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-base: 0.3s ease;
  --transition-slow: 0.5s ease;

  /* Container */
  --container-max: 1280px;
  --container-padding: 1.5rem;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

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

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  outline: none;
  transition: var(--transition-base);
}

ul, ol {
  list-style: none;
}

/* Container */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
  width: 100%;
}

/* Header */
.header {
  background-color: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  backdrop-filter: blur(10px);
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 0;
  gap: 2rem;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--accent-primary);
  letter-spacing: 0.5px;
  text-transform: uppercase;
}

.logo-icon {
  width: 32px;
  height: 32px;
  display: block;
  flex-shrink: 0;
  transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
  transform: scale(1.1) rotate(5deg);
}

.nav {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  align-items: center;
}

.nav-link {
  color: var(--text-secondary);
  font-weight: 500;
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.nav-link:hover,
.nav-link.active {
  color: var(--accent-primary);
}

.nav-actions {
  display: flex;
  gap: 1rem;
  align-items: center;
}

.mobile-menu-toggle {
  display: none;
  background: transparent;
  color: var(--text-primary);
  font-size: 1.5rem;
  padding: 0.5rem;
}

/* Buttons */
.btn {
  padding: 0.75rem 1.5rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  transition: var(--transition-base);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
}

a.btn {
  text-decoration: none;
  color: inherit;
}

.btn-primary {
  background: var(--gradient-1);
  color: var(--text-primary);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(0, 212, 212, 0.3);
}

.btn-secondary {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.btn-secondary:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.btn-outline {
  background: transparent;
  color: var(--accent-primary);
  border: 2px solid var(--accent-primary);
}

.btn-outline:hover {
  background: var(--accent-primary);
  color: var(--bg-primary);
}

/* Hero Section */
.hero {
  padding: var(--spacing-xxl) 0;
  background: var(--gradient-2);
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at top right, rgba(139, 92, 246, 0.2), transparent 50%),
              radial-gradient(circle at bottom left, rgba(0, 212, 212, 0.2), transparent 50%);
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  margin-bottom: 1rem;
  line-height: 1.2;
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.25rem;
  color: var(--text-secondary);
  margin-bottom: 2rem;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
}

/* Alert Box */
.alert {
  background: var(--bg-card);
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-md);
  padding: 1.5rem;
  margin: 2rem auto;
  max-width: 800px;
  display: flex;
  align-items: flex-start;
  gap: 1rem;
}

.alert-icon {
  color: var(--accent-primary);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.alert-content h3 {
  color: var(--accent-primary);
  font-size: 1.1rem;
  margin-bottom: 0.5rem;
}

.alert-content p {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Section */
.section {
  padding: var(--spacing-xxl) 0;
}

.section-dark {
  background: var(--bg-secondary);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-xl);
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--text-secondary);
}

/* Feature List */
.feature-list {
  max-width: 800px;
  margin: 0 auto;
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.5rem;
  padding: 1.5rem;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  transition: var(--transition-base);
}

.feature-item:hover {
  border-color: var(--accent-primary);
  transform: translateX(5px);
}

.feature-icon {
  color: var(--accent-primary);
  font-size: 1.5rem;
  flex-shrink: 0;
}

.feature-text {
  flex: 1;
}

.feature-text strong {
  color: var(--text-primary);
  display: block;
  margin-bottom: 0.25rem;
}

.feature-text span {
  color: var(--text-secondary);
  font-size: 0.95rem;
}

/* Card Grid */
.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 1.5rem;
}

.card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
  cursor: pointer;
}

.card:hover {
  transform: translateY(-5px);
  border-color: var(--accent-primary);
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.card-image {
  width: 100%;
  height: 200px;
  background: var(--gradient-2);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.card-image::after {
  content: '🎮';
  font-size: 4rem;
  opacity: 0.3;
}

.card-content {
  padding: 1.5rem;
}

.card-title {
  font-size: 1.1rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
}

.card-description {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.5;
}

.card-badge {
  background: var(--accent-primary);
  color: var(--bg-primary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  display: inline-block;
  margin-bottom: 0.5rem;
}

/* Category Boxes */
.category-boxes {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin-top: 2rem;
}

.category-box {
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
  text-align: center;
  transition: var(--transition-base);
  cursor: pointer;
}

.category-box:hover {
  border-color: var(--accent-primary);
  transform: scale(1.05);
}

.category-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.category-title {
  font-size: 1.25rem;
  font-weight: 600;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.category-box .btn {
  margin-top: 1rem;
}

/* FAQ / Accordion */
.faq-list {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  margin-bottom: 1rem;
  overflow: hidden;
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.5rem;
  background: transparent;
  color: var(--text-primary);
  font-weight: 600;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid transparent;
}

.faq-question:hover {
  color: var(--accent-primary);
}

.faq-question::after {
  content: '+';
  font-size: 1.5rem;
  transition: var(--transition-fast);
}

.faq-item.active .faq-question::after {
  transform: rotate(45deg);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-base);
}

.faq-answer-content {
  padding: 0 1.5rem 1.5rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.faq-item.active .faq-answer {
  max-height: 500px;
}

/* Form */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-primary);
  font-weight: 500;
  font-size: 0.95rem;
}

.form-input,
.form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  background: var(--bg-card);
  border: 2px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-primary);
  font-family: inherit;
  font-size: 1rem;
  transition: var(--transition-fast);
}

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 212, 212, 0.1);
}

.form-textarea {
  resize: vertical;
  min-height: 150px;
}

.form-submit {
  width: 100%;
}

/* Contact Form */
.contact-form {
  max-width: 600px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 2rem;
}

/* Footer */
.footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-color);
  padding: var(--spacing-xxl) 0 var(--spacing-lg);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-column h4 {
  color: var(--text-primary);
  font-size: 1.1rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer-links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-link {
  color: var(--text-secondary);
  font-size: 0.95rem;
  transition: var(--transition-fast);
}

.footer-link:hover {
  color: var(--accent-primary);
}

.footer-bottom {
  padding-top: 2rem;
  border-top: 1px solid var(--border-color);
  text-align: center;
}

.footer-bottom p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

.footer-legal {
  color: var(--text-muted);
  font-size: 0.85rem;
  line-height: 1.7;
  margin-top: 1rem;
}

/* Modal Overlays */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(10px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1rem;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--transition-base), visibility var(--transition-base);
}

.modal-overlay.show {
  opacity: 1;
  visibility: visible;
}

.modal-content {
  background: linear-gradient(135deg, #1a1f2e 0%, #0f1419 100%);
  border: 2px solid var(--accent-primary);
  border-radius: var(--radius-lg);
  padding: 2.5rem;
  max-width: 500px;
  width: 100%;
  text-align: center;
  transform: scale(0.9);
  transition: transform var(--transition-base);
  box-shadow: 0 20px 60px rgba(0, 212, 212, 0.2);
}

.modal-overlay.show .modal-content {
  transform: scale(1);
}

.modal-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--accent-primary);
  margin-bottom: 1.5rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.modal-text {
  color: var(--text-secondary);
  font-size: 1rem;
  line-height: 1.7;
  margin-bottom: 2rem;
}

.modal-button {
  width: 100%;
  padding: 1rem 2rem;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition-base);
  cursor: pointer;
  border: none;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.modal-button-gradient {
  background: linear-gradient(90deg, #00d4d4 0%, #bfff00 100%);
  color: #000;
}

.modal-button-gradient:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(0, 212, 212, 0.4);
}

.modal-button-accept {
  background: #0066ff;
  color: #fff;
  margin-bottom: 0.75rem;
}

.modal-button-accept:hover {
  background: #0052cc;
  transform: translateY(-2px);
}

.modal-button-deny {
  background: var(--bg-card);
  color: var(--text-primary);
  border: 1px solid var(--border-color);
}

.modal-button-deny:hover {
  background: var(--bg-card-hover);
  border-color: var(--accent-primary);
}

.modal-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

/* Filter Bar */
.filter-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  align-items: center;
}

.filter-btn {
  padding: 0.5rem 1rem;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition-fast);
}

.filter-btn:hover,
.filter-btn.active {
  background: var(--accent-primary);
  color: var(--bg-primary);
  border-color: var(--accent-primary);
}

/* Legal Content */
.legal-content {
  max-width: 900px;
  margin: 0 auto;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: 3rem;
}

.legal-content h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  color: var(--text-primary);
}

.legal-content h2 {
  font-size: 1.75rem;
  margin-top: 2rem;
  margin-bottom: 1rem;
  color: var(--accent-primary);
}

.legal-content h3 {
  font-size: 1.25rem;
  margin-top: 1.5rem;
  margin-bottom: 0.75rem;
  color: var(--text-primary);
}

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

.legal-content ul,
.legal-content ol {
  color: var(--text-secondary);
  margin-left: 2rem;
  margin-bottom: 1rem;
  list-style: disc;
}

.legal-content ol {
  list-style: decimal;
}

.legal-content li {
  margin-bottom: 0.5rem;
  line-height: 1.7;
}

.legal-content a {
  color: var(--accent-primary);
  text-decoration: underline;
}

.legal-content a:hover {
  color: var(--accent-secondary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
    padding: 1rem;
    flex-direction: column;
    gap: 0;
  }

  .nav-links.active {
    display: flex;
  }

  .nav-link {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
  }

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

  .nav-actions {
    flex-direction: column;
    width: 100%;
  }

  .nav-actions .btn {
    width: 100%;
  }

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

  .hero-subtitle {
    font-size: 1rem;
  }

  .section-title {
    font-size: 1.75rem;
  }

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

  .category-boxes {
    grid-template-columns: 1fr;
  }

  .modal-content {
    padding: 2rem 1.5rem;
  }

  .modal-title {
    font-size: 1.5rem;
  }

  .legal-content {
    padding: 1.5rem;
  }

  .filter-bar {
    flex-direction: column;
    align-items: stretch;
  }

  .filter-btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  :root {
    --container-padding: 1rem;
  }

  .hero {
    padding: var(--spacing-lg) 0;
  }

  .section {
    padding: var(--spacing-lg) 0;
  }

  .logo {
    font-size: 1rem;
  }
}

/* Utility Classes */
.text-center {
  text-align: center;
}

.text-gradient {
  background: var(--gradient-1);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.mb-1 {
  margin-bottom: var(--spacing-sm);
}

.mb-2 {
  margin-bottom: var(--spacing-md);
}

.mb-3 {
  margin-bottom: var(--spacing-lg);
}

.mt-1 {
  margin-top: var(--spacing-sm);
}

.mt-2 {
  margin-top: var(--spacing-md);
}

.mt-3 {
  margin-top: var(--spacing-lg);
}