:root {
  --primary: #06b6d4;
  --primary-glow: rgba(6, 182, 212, 0.5);
  --secondary: #0891b2;
  --accent: #67e8f9;
  --accent-glow: rgba(103, 232, 249, 0.3);
  --bg-from: #042f2e;
  --bg-via: #134e4a;
  --bg-to: #021716;
  --card-bg: rgba(19, 78, 74, 0.6);
  --card-border: rgba(6, 182, 212, 0.25);
  --text-light: #f0fdfa;
  --text-muted: #ccfbf1;
  --border-radius: 8px;
  --transition: 0.2s ease-in-out;
}

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

body {
  font-family: 'Nunito', system-ui, sans-serif;
  font-weight: 400;
  color: var(--text-light);
  background: linear-gradient(135deg, var(--bg-from) 0%, var(--bg-via) 50%, var(--bg-to) 100%);
  background-attachment: fixed;
  line-height: 1.6;
  overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
  font-family: 'Poppins', system-ui, sans-serif;
  font-weight: 600;
  line-height: 1.2;
}

code, pre {
  font-family: 'Roboto Mono', monospace;
}

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

header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(4, 47, 46, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.logo-icon {
  width: 32px;
  height: 32px;
  background: var(--primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.nav-links {
  display: flex;
  gap: 2rem;
  list-style: none;
  align-items: center;
}

.nav-links a {
  color: var(--text-light);
  text-decoration: none;
  transition: var(--transition);
  font-weight: 500;
}

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

.age-badge {
  background: var(--card-bg);
  border: 2px solid var(--primary);
  padding: 0.25rem 0.75rem;
  border-radius: var(--border-radius);
  font-weight: 700;
  color: var(--primary);
  font-size: 0.9rem;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 4px;
  cursor: pointer;
  z-index: 1001;
}

.hamburger span {
  width: 25px;
  height: 3px;
  background: var(--primary);
  transition: var(--transition);
}

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  position: relative;
  background: linear-gradient(rgba(4, 47, 46, 0.7), rgba(2, 23, 22, 0.8)), url('/golf.jpg');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  padding: 2rem 0;
}

.hero-content {
  max-width: 800px;
  z-index: 1;
}

.hero h1 {
  font-size: 3.5rem;
  margin-bottom: 1rem;
  color: var(--text-light);
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
}

.hero p {
  font-size: 1.3rem;
  margin-bottom: 2rem;
  color: var(--text-muted);
}

.btn-primary {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  padding: 0.9rem 2.5rem;
  font-size: 1.1rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: inline-block;
  font-family: 'Poppins', system-ui, sans-serif;
}

.btn-primary:hover {
  background: var(--primary);
  color: var(--bg-to);
  transform: scale(1.01);
}

.floating-cta {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 999;
}

.floating-cta .btn-primary {
  box-shadow: 0 4px 20px var(--primary-glow);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { box-shadow: 0 4px 20px var(--primary-glow); }
  50% { box-shadow: 0 6px 30px var(--primary-glow); }
}

section {
  padding: 4rem 0;
}

.section-title {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
  color: var(--accent);
}

.download-section {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  padding: 3rem;
  max-width: 600px;
  margin: 0 auto;
  text-align: center;
}

.download-form {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 2rem;
}

.form-input {
  padding: 1rem;
  background: rgba(4, 47, 46, 0.5);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  color: var(--text-light);
  font-size: 1rem;
  font-family: 'Nunito', sans-serif;
}

.form-input:focus {
  outline: none;
  border-color: var(--primary);
}

.success-message {
  display: none;
  padding: 1.5rem;
  background: rgba(6, 182, 212, 0.2);
  border: 1px solid var(--primary);
  border-radius: var(--border-radius);
  color: var(--accent);
  font-weight: 600;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  transition: var(--transition);
}

.feature-card:hover {
  transform: scale(1.01);
  border-color: var(--primary);
}

.feature-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.4rem;
  margin-bottom: 1rem;
  color: var(--accent);
}

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

.about-content p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  color: var(--text-muted);
}

.trust-badges {
  display: flex;
  justify-content: center;
  gap: 2rem;
  flex-wrap: wrap;
  margin-top: 2rem;
}

.badge {
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  padding: 1rem 2rem;
  border-radius: var(--border-radius);
  font-weight: 600;
  color: var(--primary);
}

.faq-container {
  max-width: 800px;
  margin: 0 auto;
}

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

.faq-question {
  width: 100%;
  padding: 1.5rem;
  background: transparent;
  border: none;
  color: var(--text-light);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: 'Poppins', sans-serif;
}

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

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition), padding var(--transition);
  color: var(--text-muted);
}

.faq-item.active .faq-answer {
  padding: 1.5rem;
  max-height: 500px;
}

.faq-item.active .faq-question::after {
  transform: rotate(180deg);
}

.faq-question::after {
  content: '▼';
  transition: transform var(--transition);
  color: var(--primary);
}

.disclaimer {
  background: var(--card-bg);
  border: 2px solid var(--primary);
  border-radius: var(--border-radius);
  padding: 2rem;
  text-align: center;
  margin: 3rem 0;
}

.disclaimer h3 {
  color: var(--primary);
  margin-bottom: 1rem;
  font-size: 1.8rem;
}

footer {
  background: rgba(2, 23, 22, 0.9);
  border-top: 1px solid var(--card-border);
  padding: 3rem 0 1rem;
  text-align: center;
}

.footer-content {
  display: flex;
  flex-direction: column;
  gap: 2rem;
  align-items: center;
}

.footer-logo {
  font-size: 1.8rem;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}

.footer-links {
  display: flex;
  gap: 2rem;
  flex-wrap: wrap;
  justify-content: center;
  list-style: none;
}

.footer-links a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}

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

.footer-badge {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--primary);
  border: 3px solid var(--primary);
  padding: 0.5rem 1.5rem;
  border-radius: var(--border-radius);
  display: inline-block;
}

.copyright {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid var(--card-border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

.modal {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.85);
  z-index: 10000;
  align-items: center;
  justify-content: center;
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-via);
  border: 2px solid var(--primary);
  border-radius: var(--border-radius);
  padding: 3rem;
  max-width: 500px;
  text-align: center;
}

.modal-content h2 {
  color: var(--primary);
  font-size: 2rem;
  margin-bottom: 1.5rem;
}

.modal-content p {
  margin-bottom: 2rem;
  font-size: 1.1rem;
}

.modal-buttons {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

.btn-secondary {
  background: transparent;
  color: var(--text-light);
  border: 2px solid var(--card-border);
  padding: 0.75rem 2rem;
  font-size: 1rem;
  font-weight: 600;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-family: 'Poppins', sans-serif;
}

.btn-secondary:hover {
  border-color: var(--accent);
  color: var(--accent);
}

.page-header {
  padding: 3rem 0;
  text-align: center;
  background: var(--card-bg);
  border-bottom: 1px solid var(--card-border);
}

.page-header h1 {
  font-size: 3rem;
  color: var(--accent);
}

.content-section {
  max-width: 900px;
  margin: 3rem auto;
  padding: 2rem;
  background: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
}

.content-section h2 {
  color: var(--primary);
  margin: 2rem 0 1rem;
  font-size: 1.8rem;
}

.content-section h3 {
  color: var(--accent);
  margin: 1.5rem 0 0.75rem;
  font-size: 1.4rem;
}

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

.scoring-table {
  width: 100%;
  border-collapse: collapse;
  margin: 2rem 0;
  background: rgba(4, 47, 46, 0.5);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  overflow: hidden;
}

.scoring-table th {
  background: var(--card-bg);
  padding: 1rem;
  text-align: left;
  color: var(--primary);
  font-weight: 600;
  border-bottom: 2px solid var(--card-border);
}

.scoring-table td {
  padding: 1rem;
  border-bottom: 1px solid var(--card-border);
  color: var(--text-muted);
}

.scoring-table tr:last-child td {
  border-bottom: none;
}

.scoring-table tr:hover {
  background: rgba(6, 182, 212, 0.1);
}

.tips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.tip-card {
  background: rgba(4, 47, 46, 0.5);
  border: 1px solid var(--card-border);
  border-radius: var(--border-radius);
  padding: 1.5rem;
}

.tip-card h4 {
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.tip-card p {
  color: var(--text-muted);
  font-size: 0.95rem;
}

.back-link {
  display: inline-block;
  margin: 2rem 0;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  transition: var(--transition);
}

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

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

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 70%;
    height: 100vh;
    background: rgba(4, 47, 46, 0.98);
    flex-direction: column;
    padding: 5rem 2rem 2rem;
    transition: right 0.3s ease;
    border-left: 1px solid var(--card-border);
  }

  .nav-links.active {
    right: 0;
  }

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

  .hero p {
    font-size: 1.1rem;
  }

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

  .floating-cta {
    bottom: 1rem;
    right: 1rem;
  }

  .floating-cta .btn-primary {
    padding: 0.7rem 1.5rem;
    font-size: 0.95rem;
  }

  .download-section {
    padding: 2rem 1.5rem;
  }

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

  .footer-links {
    flex-direction: column;
    gap: 1rem;
  }

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

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

@media (max-width: 480px) {
  .hero h1 {
    font-size: 1.8rem;
  }

  .btn-primary {
    padding: 0.75rem 1.5rem;
    font-size: 1rem;
  }
}