/* QQFUN Games - Main Stylesheet */

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

:root {
  --primary-color: #6B21A8;
  --secondary-color: #EC4899;
  --accent-color: #FBBF24;
  --dark-bg: #0F172A;
  --card-bg: #1E293B;
  --text-light: #E2E8F0;
  --text-muted: #94A3B8;
  --border-color: #334155;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background-color: var(--dark-bg);
  color: var(--text-light);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--text-light);
}

h1 {
  font-size: 2.5rem;
  line-height: 1.2;
}

h2 {
  font-size: 2rem;
  line-height: 1.3;
}

h3 {
  font-size: 1.5rem;
  line-height: 1.4;
}

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

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

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

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header & Navigation */
header {
  background: linear-gradient(135deg, var(--dark-bg) 0%, #1a0f3f 100%);
  border-bottom: 2px solid var(--primary-color);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.3);
}

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

.logo {
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--accent-color);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo:hover {
  color: var(--secondary-color);
}

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

nav a {
  color: var(--text-light);
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent-color);
  transition: width 0.3s ease;
}

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

/* Mobile Menu Toggle */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--accent-color);
  font-size: 1.5rem;
  cursor: pointer;
}

/* Breadcrumb */
.breadcrumb {
  background-color: var(--card-bg);
  padding: 1rem 0;
  margin: 1rem 0;
  border-radius: 4px;
}

.breadcrumb ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.breadcrumb li {
  display: flex;
  align-items: center;
}

.breadcrumb li::after {
  content: '/';
  margin: 0 0.5rem;
  color: var(--text-muted);
}

.breadcrumb li:last-child::after {
  content: '';
  margin: 0;
}

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

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

.breadcrumb li:last-child {
  color: var(--text-muted);
}

/* Hero Section */
.hero {
  background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
  padding: 4rem 0;
  text-align: center;
  border-radius: 8px;
  margin: 2rem 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 500px;
  height: 500px;
  background: rgba(251, 191, 36, 0.1);
  border-radius: 50%;
}

.hero-content {
  position: relative;
  z-index: 2;
}

.hero h1 {
  color: white;
  margin-bottom: 1rem;
  font-size: 3rem;
}

.hero p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 1.2rem;
  margin-bottom: 2rem;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 0.75rem 2rem;
  border-radius: 4px;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-decoration: none;
}

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

.btn-primary:hover {
  background-color: #F59E0B;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(251, 191, 36, 0.3);
}

.btn-secondary {
  background-color: var(--secondary-color);
  color: white;
}

.btn-secondary:hover {
  background-color: #DB2777;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(236, 72, 153, 0.3);
}

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

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

/* Cards */
.card {
  background-color: var(--card-bg);
  border-radius: 8px;
  padding: 2rem;
  margin-bottom: 2rem;
  border: 1px solid var(--border-color);
  transition: all 0.3s ease;
}

.card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(236, 72, 153, 0.2);
  border-color: var(--secondary-color);
}

.card-title {
  color: var(--accent-color);
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

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

/* Grid */
.grid {
  display: grid;
  gap: 2rem;
  margin: 2rem 0;
}

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

.grid-3 {
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

/* Section */
section {
  padding: 3rem 0;
}

section h2 {
  text-align: center;
  margin-bottom: 2rem;
  color: var(--accent-color);
}

/* Footer */
footer {
  background: linear-gradient(135deg, var(--dark-bg) 0%, #1a0f3f 100%);
  border-top: 2px solid var(--primary-color);
  padding: 3rem 0 1rem;
  margin-top: 4rem;
}

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

.footer-section h3 {
  color: var(--accent-color);
  margin-bottom: 1rem;
}

.footer-section ul {
  list-style: none;
}

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

.footer-section a {
  color: var(--text-muted);
  transition: color 0.3s ease;
}

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

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

.social-links {
  display: flex;
  gap: 1rem;
  justify-content: center;
  margin: 1rem 0;
}

.social-links a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  background-color: var(--card-bg);
  border-radius: 50%;
  color: var(--accent-color);
  transition: all 0.3s ease;
}

.social-links a:hover {
  background-color: var(--secondary-color);
  color: white;
  transform: translateY(-3px);
}

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

thead {
  background-color: var(--primary-color);
}

th {
  padding: 1rem;
  text-align: left;
  color: white;
  font-weight: 600;
}

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

tbody tr:hover {
  background-color: rgba(236, 72, 153, 0.1);
}

/* FAQ */
.faq-item {
  background-color: var(--card-bg);
  border-left: 4px solid var(--secondary-color);
  padding: 1.5rem;
  margin-bottom: 1rem;
  border-radius: 4px;
}

.faq-question {
  color: var(--accent-color);
  font-weight: 600;
  margin-bottom: 0.5rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  color: var(--text-light);
  display: none;
  margin-top: 1rem;
}

.faq-answer.active {
  display: block;
}

/* Lists */
ul, ol {
  margin-left: 2rem;
  margin-bottom: 1rem;
}

li {
  margin-bottom: 0.5rem;
  color: var(--text-light);
}

/* Images */
img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.img-responsive {
  width: 100%;
  height: auto;
}

/* Responsive */
@media (max-width: 768px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

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

  nav ul {
    gap: 1rem;
  }

  .menu-toggle {
    display: block;
  }

  nav {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background-color: var(--card-bg);
    flex-direction: column;
    padding: 1rem;
  }

  nav.active {
    display: flex;
  }

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

  nav a {
    padding: 0.5rem 0;
  }

  .grid-2, .grid-3, .grid-4 {
    grid-template-columns: 1fr;
  }

  .footer-content {
    grid-template-columns: 1fr;
  }

  table {
    font-size: 0.9rem;
  }

  th, td {
    padding: 0.75rem;
  }
}

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

.text-right {
  text-align: right;
}

.mt-1 { margin-top: 1rem; }
.mt-2 { margin-top: 2rem; }
.mt-3 { margin-top: 3rem; }

.mb-1 { margin-bottom: 1rem; }
.mb-2 { margin-bottom: 2rem; }
.mb-3 { margin-bottom: 3rem; }

.pt-1 { padding-top: 1rem; }
.pt-2 { padding-top: 2rem; }
.pt-3 { padding-top: 3rem; }

.pb-1 { padding-bottom: 1rem; }
.pb-2 { padding-bottom: 2rem; }
.pb-3 { padding-bottom: 3rem; }

.highlight {
  background-color: rgba(251, 191, 36, 0.2);
  padding: 0.2rem 0.4rem;
  border-radius: 3px;
  color: var(--accent-color);
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background-color: var(--secondary-color);
  color: white;
  border-radius: 20px;
  font-size: 0.85rem;
  font-weight: 600;
}

.badge-primary {
  background-color: var(--primary-color);
}

.badge-accent {
  background-color: var(--accent-color);
  color: var(--dark-bg);
}

/* Loading & Animations */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  animation: fadeIn 0.5s ease-in;
}

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

.pulse {
  animation: pulse 2s ease-in-out infinite;
}

/* Skip to Content Link */
.skip-link {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--secondary-color);
  color: white;
  padding: 8px;
  text-decoration: none;
  z-index: 100;
}

.skip-link:focus {
  top: 0;
}