/* ==================== RESET & VARIABLES ==================== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  /* Primary Colors - Purple Theme */
  --primary: #7c3aed;
  --primary-dark: #6d28d9;
  --primary-light: #a78bfa;

  /* Secondary Colors */
  --secondary: #06b6d4;
  --secondary-dark: #0891b2;

  /* Neutral Colors */
  --dark: #1f2937;
  --dark-light: #374151;
  --light: #f3f4f6;
  --light-dark: #e5e7eb;
  --white: #ffffff;

  /* Typography */
  --font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --font-size-base: 16px;
  --line-height-base: 1.6;

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

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

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
}

/* ==================== GLOBAL STYLES ==================== */
html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: var(--line-height-base);
  color: var(--dark);
  background-color: var(--white);
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

/* ==================== HEADER ==================== */
.header {
  background-color: var(--white);
  box-shadow: var(--shadow-sm);
  position: sticky;
  top: 0;
  z-index: 100;
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: var(--spacing-md) 0;
}

.logo h1 {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary);
  text-decoration: none;
}

.nav {
  display: flex;
  gap: var(--spacing-lg);
  flex: 1;
  margin-left: var(--spacing-xl);
}

.nav-link {
  text-decoration: none;
  color: var(--dark);
  font-weight: 500;
  transition: color 0.3s ease;
  padding: var(--spacing-xs) 0;
  border-bottom: 2px solid transparent;
}

.nav-link:hover {
  color: var(--primary);
  border-bottom-color: var(--primary);
}

.auth-buttons {
  display: flex;
  gap: var(--spacing-md);
}

/* ==================== BUTTONS ==================== */
.btn {
  display: inline-block;
  padding: 0.625rem 1.5rem;
  border-radius: var(--radius-md);
  text-decoration: none;
  font-weight: 600;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  font-size: 0.95rem;
  text-align: center;
}

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

.btn-primary:hover {
  background-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

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

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

.btn-large {
  padding: 1rem 2.5rem;
  font-size: 1.1rem;
}

.btn-link {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  display: inline-block;
  transition: all 0.3s ease;
}

.btn-link:hover {
  color: var(--primary-dark);
  margin-right: -0.5rem;
}

/* ==================== HERO SECTION ==================== */
.hero {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  color: var(--white);
  padding: var(--spacing-xl) 0;
  text-align: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.hero-title {
  font-size: 3rem;
  font-weight: 700;
  margin-bottom: var(--spacing-md);
  line-height: 1.2;
}

.hero-subtitle {
  font-size: 1.25rem;
  max-width: 600px;
  opacity: 0.95;
  margin-bottom: var(--spacing-md);
}

.hero-buttons {
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}

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

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

/* ==================== SECTIONS ==================== */
section {
  padding: var(--spacing-xl) 0;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--dark);
  margin-bottom: var(--spacing-md);
  text-align: center;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--dark-light);
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

/* ==================== GAMES SECTION ==================== */
.games {
  background-color: var(--light);
}

.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.game-card {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  text-align: center;
  transition: all 0.3s ease;
}

.game-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lg);
}

.game-icon {
  font-size: 3rem;
  margin-bottom: var(--spacing-md);
}

.game-card h3 {
  font-size: 1.5rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
}

.game-card p {
  color: var(--dark-light);
  margin-bottom: var(--spacing-md);
  line-height: 1.8;
}

/* ==================== KEUNGGULAN SECTION ==================== */
.keunggulan {
  background-color: var(--white);
}

.keunggulan-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.keunggulan-card {
  background: linear-gradient(
    135deg,
    rgba(124, 58, 237, 0.05),
    rgba(6, 182, 212, 0.05)
  );
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  border: 2px solid transparent;
  transition: all 0.3s ease;
  text-align: center;
}

.keunggulan-card:hover {
  border-color: var(--primary);
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.keunggulan-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
  display: block;
}

.keunggulan-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--spacing-sm);
  color: var(--primary);
}

.keunggulan-card p {
  color: var(--dark-light);
  line-height: 1.8;
}

/* ==================== PEMBAYARAN SECTION ==================== */
.pembayaran {
  background: linear-gradient(
    135deg,
    var(--primary) 0%,
    var(--primary-dark) 100%
  );
  color: var(--white);
}

.pembayaran-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.pembayaran-item {
  background-color: rgba(255, 255, 255, 0.1);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  text-align: center;
  font-weight: 600;
  font-size: 1.1rem;
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all 0.3s ease;
}

.pembayaran-item:hover {
  background-color: rgba(255, 255, 255, 0.15);
  transform: translateY(-4px);
}

/* ==================== CTA SECTION ==================== */
.cta {
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  color: var(--white);
}

.cta-content {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--spacing-lg);
}

.cta h2 {
  font-size: 2.5rem;
  font-weight: 700;
}

.cta p {
  font-size: 1.25rem;
  max-width: 500px;
  opacity: 0.95;
}

/* ==================== FAQ SECTION ==================== */
.faq {
  background-color: var(--light);
}

.faq-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}

.faq-item {
  background-color: var(--white);
  padding: var(--spacing-lg);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
}

.faq-item h3 {
  color: var(--primary);
  font-size: 1.15rem;
  margin-bottom: var(--spacing-sm);
}

.faq-item p {
  color: var(--dark-light);
  line-height: 1.8;
}

/* ==================== FOOTER ==================== */
.footer {
  background-color: var(--dark);
  color: var(--light);
  padding-top: var(--spacing-xl);
}

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

.footer-section h4 {
  font-size: 1.15rem;
  margin-bottom: var(--spacing-md);
  color: var(--white);
}

.footer-section p {
  color: var(--light);
  line-height: 1.8;
}

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

.footer-links li {
  margin-bottom: var(--spacing-sm);
}

.footer-links a,
.contact-links a {
  color: var(--light);
  text-decoration: none;
  transition: color 0.3s ease;
}

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

.contact-links {
  list-style: none;
  color: var(--light);
}

.contact-links li {
  margin-bottom: var(--spacing-sm);
}

.social-links {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
}

.social-link {
  color: var(--white);
  text-decoration: none;
  padding: 0.5rem 1rem;
  background-color: rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  transition: all 0.3s ease;
  font-weight: 500;
}

.social-link:hover {
  background-color: var(--primary);
  color: var(--white);
}

.footer-bottom {
  border-top: 1px solid var(--dark-light);
  padding-top: var(--spacing-xl);
  text-align: center;
  color: var(--light);
}

.footer-bottom p {
  margin-bottom: var(--spacing-sm);
}

.footer-bottom a {
  color: var(--primary);
  text-decoration: none;
}

.footer-bottom a:hover {
  text-decoration: underline;
}

/* ==================== RESPONSIVE DESIGN ==================== */
@media (max-width: 768px) {
  .header-content {
    flex-wrap: wrap;
    gap: var(--spacing-md);
  }

  .nav {
    order: 3;
    width: 100%;
    margin-left: 0;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
  }

  .auth-buttons {
    gap: var(--spacing-sm);
  }

  .auth-buttons .btn {
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
  }

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

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

  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }

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

  .games-grid,
  .keunggulan-grid,
  .pembayaran-grid,
  .faq-grid {
    grid-template-columns: 1fr;
  }

  .cta h2 {
    font-size: 1.75rem;
  }

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

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

@media (max-width: 480px) {
  .logo h1 {
    font-size: 1.5rem;
  }

  .nav {
    display: none;
  }

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

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

  .hero-subtitle {
    font-size: 0.95rem;
  }

  .btn,
  .btn-large {
    padding: 0.75rem 1.5rem;
    font-size: 0.9rem;
  }

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

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

  .container {
    padding: 0 var(--spacing-sm);
  }
}

/* ==================== PRINT STYLES ==================== */
@media print {
  .header,
  .auth-buttons,
  .nav {
    display: none;
  }

  body {
    background-color: white;
  }

  a {
    text-decoration: underline;
  }
}