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

body {
  font-family: 'Poppins', sans-serif;
  color: #1f2937;
  background: linear-gradient(to bottom, #f0fdfa 0%, #ccfbf1 50%, #99f6e4 100%);
  min-height: 100vh;
  line-height: 1.6;
}

.header {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.header-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1rem 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: 'Playfair Display', serif;
}

.brand-icon {
  font-size: 2rem;
}

.brand-name {
  font-size: 1.8rem;
  font-weight: 700;
  color: #06b6d4;
  letter-spacing: -0.5px;
}

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

.hamburger span {
  width: 25px;
  height: 3px;
  background: #06b6d4;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.nav {
  display: flex;
  gap: 2rem;
}

.nav-link {
  color: #374151;
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.nav-link:hover {
  background: rgba(6, 182, 212, 0.1);
  color: #06b6d4;
}

.nav-link.active {
  background: #06b6d4;
  color: white;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 2rem;
}

.banner {
  background: linear-gradient(135deg, rgba(6, 182, 212, 0.9), rgba(14, 165, 233, 0.9)),
              url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 1200 400"><rect fill="%2306b6d4" width="1200" height="400"/></svg>');
  background-size: cover;
  background-position: center;
  color: white;
  padding: 5rem 2rem;
  text-align: center;
  margin-bottom: 3rem;
}

.banner-overlay h1 {
  font-family: 'Playfair Display', serif;
  font-size: 3.5rem;
  margin-bottom: 1rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-tagline {
  font-size: 1.4rem;
  margin-bottom: 2rem;
  opacity: 0.95;
}

.cta-button {
  display: inline-block;
  background: white;
  color: #06b6d4;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.cta-button:hover {
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

.intro-section {
  padding: 3rem 0;
}

.intro-text h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  color: #0e7490;
  margin-bottom: 1.5rem;
  text-align: center;
}

.intro-text p {
  font-size: 1.1rem;
  color: #374151;
  margin-bottom: 1rem;
  line-height: 1.8;
}

.features-section {
  padding: 3rem 0;
  background: rgba(255, 255, 255, 0.6);
}

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

.feature-card {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.feature-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 8px 25px rgba(6, 182, 212, 0.3);
}

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

.feature-card h3 {
  font-size: 1.5rem;
  color: #0e7490;
  margin-bottom: 1rem;
}

.feature-card p {
  color: #6b7280;
  line-height: 1.7;
}

.game-showcase {
  padding: 4rem 0;
}

.showcase-header {
  text-align: center;
  margin-bottom: 2rem;
}

.showcase-header h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2.8rem;
  color: #0e7490;
  margin-bottom: 1rem;
}

.showcase-header p {
  font-size: 1.2rem;
  color: #6b7280;
  max-width: 700px;
  margin: 0 auto;
}

.game-embed {
  background: white;
  padding: 1.5rem;
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.game-iframe {
  width: 100%;
  height: 600px;
  border: none;
  border-radius: 10px;
}

.important-info {
  padding: 4rem 0;
  background: rgba(255, 255, 255, 0.8);
}

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

.info-item {
  background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
  padding: 2rem;
  border-radius: 12px;
  border-left: 5px solid #06b6d4;
}

.info-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
}

.info-icon {
  font-size: 2rem;
}

.info-item h3 {
  font-size: 1.3rem;
  color: #0e7490;
}

.info-item p {
  color: #4b5563;
  line-height: 1.8;
}

.benefits-section {
  padding: 4rem 0;
}

.section-title {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  color: #0e7490;
  text-align: center;
  margin-bottom: 3rem;
}

.benefits-list {
  display: grid;
  gap: 2rem;
}

.benefit-item {
  display: flex;
  gap: 2rem;
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
  align-items: flex-start;
}

.benefit-number {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  font-weight: 700;
  color: #06b6d4;
  opacity: 0.3;
  line-height: 1;
}

.benefit-content h4 {
  font-size: 1.4rem;
  color: #0e7490;
  margin-bottom: 0.75rem;
}

.benefit-content p {
  color: #6b7280;
  line-height: 1.8;
}

.footer {
  background: linear-gradient(135deg, #164e63 0%, #0e7490 100%);
  color: white;
  padding: 3rem 0 1.5rem;
  margin-top: 4rem;
}

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

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 1rem;
  font-weight: 600;
}

.footer-col p {
  margin-bottom: 1rem;
  opacity: 0.9;
  line-height: 1.7;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  color: #a5f3fc;
  text-decoration: none;
  transition: color 0.3s ease;
}

.footer-links a:hover {
  color: white;
  text-decoration: underline;
}

.footer-note {
  font-size: 0.9rem;
  opacity: 0.8;
}

.footer-copyright {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
  opacity: 0.7;
  font-size: 0.9rem;
}

.age-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 9999;
  backdrop-filter: blur(5px);
}

.age-modal.hidden {
  display: none;
}

.age-modal-content {
  background: linear-gradient(135deg, #f0fdfa 0%, #ccfbf1 100%);
  padding: 3rem;
  border-radius: 20px;
  max-width: 500px;
  text-align: center;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
}

.age-modal-icon {
  font-size: 4rem;
  margin-bottom: 1rem;
}

.age-modal-content h2 {
  font-family: 'Playfair Display', serif;
  color: #0e7490;
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.age-modal-content p {
  color: #374151;
  margin-bottom: 1rem;
  font-size: 1.05rem;
  line-height: 1.6;
}

.age-modal-note {
  font-size: 0.95rem;
  color: #6b7280;
}

.age-modal-actions {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  justify-content: center;
}

.btn-confirm, .btn-deny {
  padding: 1rem 2rem;
  border: none;
  border-radius: 10px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  font-family: 'Poppins', sans-serif;
}

.btn-confirm {
  background: #06b6d4;
  color: white;
}

.btn-confirm:hover {
  background: #0891b2;
  transform: translateY(-2px);
  box-shadow: 0 5px 15px rgba(6, 182, 212, 0.4);
}

.btn-deny {
  background: #e5e7eb;
  color: #6b7280;
}

.btn-deny:hover {
  background: #d1d5db;
}

.page-hero {
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  color: white;
  padding: 4rem 2rem;
  text-align: center;
  margin-bottom: 3rem;
}

.page-hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  margin-bottom: 0.5rem;
}

.page-hero p {
  font-size: 1.3rem;
  opacity: 0.9;
}

.page-hero-small {
  background: linear-gradient(135deg, #06b6d4 0%, #0891b2 100%);
  color: white;
  padding: 3rem 2rem;
  text-align: center;
  margin-bottom: 2rem;
}

.page-hero-small h1 {
  font-family: 'Playfair Display', serif;
  font-size: 2.5rem;
  margin-bottom: 0.5rem;
}

.page-hero-small p {
  font-size: 1.1rem;
  opacity: 0.9;
}

.play-content {
  padding: 2rem 0 4rem;
}

.play-guide {
  background: white;
  padding: 2rem;
  border-radius: 15px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  margin-bottom: 3rem;
}

.play-guide h2 {
  color: #0e7490;
  margin-bottom: 1rem;
  font-size: 1.8rem;
}

.guide-content p {
  color: #4b5563;
  margin-bottom: 1.5rem;
  line-height: 1.8;
}

.guide-content h3 {
  color: #0e7490;
  margin-top: 1.5rem;
  margin-bottom: 1rem;
  font-size: 1.3rem;
}

.instructions-list {
  list-style: none;
  padding-left: 0;
}

.instructions-list li {
  color: #4b5563;
  margin-bottom: 0.75rem;
  padding-left: 1.5rem;
  position: relative;
  line-height: 1.8;
}

.instructions-list li::before {
  content: "▸";
  position: absolute;
  left: 0;
  color: #06b6d4;
  font-weight: bold;
}

.important-reminder {
  background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
  padding: 1.25rem;
  border-radius: 10px;
  border-left: 4px solid #f59e0b;
  margin-top: 1.5rem;
  color: #78350f;
  line-height: 1.7;
}

.play-game-area h2 {
  font-family: 'Playfair Display', serif;
  color: #0e7490;
  font-size: 2.2rem;
  margin-bottom: 1rem;
  text-align: center;
}

.game-description {
  text-align: center;
  color: #6b7280;
  font-size: 1.1rem;
  margin-bottom: 2rem;
  max-width: 700px;
  margin-left: auto;
  margin-right: auto;
}

.game-wrapper {
  background: white;
  padding: 1.5rem;
  border-radius: 15px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.game-iframe-full {
  width: 100%;
  height: 700px;
  border: none;
  border-radius: 10px;
}

.legal-content {
  padding: 2rem 0 4rem;
}

.legal-section {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  margin-bottom: 2rem;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.08);
}

.legal-section h2 {
  color: #0e7490;
  font-size: 1.6rem;
  margin-bottom: 1rem;
}

.legal-section p {
  color: #4b5563;
  margin-bottom: 1rem;
  line-height: 1.8;
}

.legal-section ul {
  color: #4b5563;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.legal-section li {
  margin-bottom: 0.75rem;
  line-height: 1.8;
}

.disclaimer-notice {
  background: white;
  padding: 2.5rem;
  border-radius: 15px;
  margin-bottom: 2rem;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  border-left: 6px solid #06b6d4;
}

.age-notice {
  border-left-color: #f59e0b;
}

.money-notice {
  border-left-color: #3b82f6;
}

.entertainment-notice {
  border-left-color: #10b981;
}

.notice-header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.notice-icon {
  font-size: 2.5rem;
}

.notice-header h2 {
  color: #0e7490;
  font-size: 1.8rem;
}

.disclaimer-notice p {
  color: #4b5563;
  margin-bottom: 1rem;
  line-height: 1.8;
}

.disclaimer-notice ul {
  color: #4b5563;
  margin-left: 1.5rem;
  margin-bottom: 1rem;
}

.disclaimer-notice li {
  margin-bottom: 0.75rem;
  line-height: 1.8;
}

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

  .nav {
    position: absolute;
    top: 100%;
    left: 0;
    right: 0;
    background: white;
    flex-direction: column;
    gap: 0;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
  }

  .nav.active {
    max-height: 400px;
  }

  .nav-link {
    padding: 1rem 2rem;
    border-radius: 0;
    border-bottom: 1px solid #e5e7eb;
  }

  .banner-overlay h1 {
    font-size: 2.2rem;
  }

  .banner-tagline {
    font-size: 1.1rem;
  }

  .intro-text h2 {
    font-size: 2rem;
  }

  .showcase-header h2 {
    font-size: 2rem;
  }

  .game-iframe {
    height: 400px;
  }

  .game-iframe-full {
    height: 500px;
  }

  .benefit-item {
    flex-direction: column;
    gap: 1rem;
  }

  .benefit-number {
    font-size: 2rem;
  }

  .age-modal-content {
    margin: 1rem;
    padding: 2rem 1.5rem;
  }

  .age-modal-actions {
    flex-direction: column;
  }

  .page-hero h1 {
    font-size: 2.2rem;
  }

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

  .container {
    padding: 0 1rem;
  }
}