: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-gray: #ccfbf1;
}

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

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@600;700&family=Nunito:wght@400;500;600&family=Roboto+Mono:wght@400;500&display=swap');

body {
  font-family: 'Nunito', system-ui, sans-serif;
  font-weight: 400;
  background: linear-gradient(135deg, var(--bg-from) 0%, var(--bg-via) 50%, var(--bg-to) 100%);
  background-attachment: fixed;
  color: var(--text-light);
  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, 0.9);
  backdrop-filter: blur(10px);
  border-bottom: 2px solid var(--card-border);
}

nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--primary);
  font-size: 24px;
  font-weight: 700;
  font-family: 'Poppins', sans-serif;
  transition: all 0.4s ease-out;
}

.logo:hover {
  transform: scale(1.03);
  filter: drop-shadow(0 0 15px var(--primary-glow));
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--primary);
  border-radius: 6px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  box-shadow: 0 0 20px var(--primary-glow);
}

.nav-links {
  display: flex;
  gap: 30px;
  align-items: center;
  list-style: none;
}

.nav-links a {
  color: var(--text-gray);
  text-decoration: none;
  font-weight: 500;
  transition: all 0.4s ease-out;
  padding: 8px 16px;
  border: 2px solid transparent;
}

.nav-links a:hover {
  color: var(--primary);
  border-color: var(--primary);
  transform: scale(1.03);
}

.badge-18 {
  background: var(--primary);
  color: #000;
  padding: 6px 14px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 14px;
  box-shadow: 0 0 15px var(--primary-glow);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 10px;
}

.hamburger span {
  width: 28px;
  height: 3px;
  background: var(--primary);
  transition: 0.4s;
  border-radius: 2px;
}

.hero {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: 60px;
  padding: 80px 0;
  position: relative;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('ban.jpeg') center/cover;
  opacity: 0.08;
  z-index: -1;
}

.hero-content h1 {
  font-size: 56px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: shimmer 3s infinite;
}

@keyframes shimmer {
  0%, 100% { filter: brightness(1); }
  50% { filter: brightness(1.3); }
}

.hero-content p {
  font-size: 20px;
  margin-bottom: 30px;
  color: var(--text-gray);
  line-height: 1.8;
}

.cta-btn {
  display: inline-block;
  padding: 16px 40px;
  background: transparent;
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
  font-size: 18px;
  border: 3px solid var(--primary);
  border-radius: 6px;
  transition: all 0.4s ease-out;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.cta-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--primary);
  transform: translateX(-100%);
  transition: 0.4s ease-out;
  z-index: -1;
}

.cta-btn:hover {
  color: #000;
  transform: scale(1.03);
  box-shadow: 0 0 30px var(--primary-glow);
}

.cta-btn:hover::before {
  transform: translateX(0);
}

.hero-image {
  position: relative;
  border-radius: 6px;
  overflow: hidden;
  border: 3px solid var(--card-border);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  animation: float 6s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-20px); }
}

.hero-image img {
  width: 100%;
  height: 500px;
  object-fit: cover;
  display: block;
}

section {
  padding: 80px 0;
}

.section-title {
  text-align: center;
  font-size: 42px;
  margin-bottom: 50px;
  color: var(--primary);
  position: relative;
  padding-bottom: 15px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 4px;
  background: var(--primary);
  box-shadow: 0 0 15px var(--primary-glow);
}

.download-section {
  background: var(--card-bg);
  border: 3px solid var(--card-border);
  border-left: 6px solid var(--primary);
  padding: 50px;
  border-radius: 6px;
  text-align: center;
  max-width: 600px;
  margin: 0 auto;
  backdrop-filter: blur(10px);
  animation: shimmer-card 4s infinite;
}

@keyframes shimmer-card {
  0%, 100% { box-shadow: 0 0 20px var(--primary-glow); }
  50% { box-shadow: 0 0 40px var(--primary-glow); }
}

.download-section h3 {
  font-size: 28px;
  margin-bottom: 20px;
}

.email-form {
  display: flex;
  gap: 15px;
  margin-top: 30px;
  flex-wrap: wrap;
  justify-content: center;
}

.email-input {
  flex: 1;
  min-width: 250px;
  padding: 14px 20px;
  background: rgba(0,0,0,0.3);
  border: 2px solid var(--card-border);
  border-radius: 6px;
  color: var(--text-light);
  font-size: 16px;
  font-family: 'Nunito', sans-serif;
  transition: 0.4s ease-out;
}

.email-input:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 20px var(--primary-glow);
}

.success-message {
  display: none;
  background: rgba(6, 182, 212, 0.2);
  border: 2px solid var(--primary);
  padding: 20px;
  border-radius: 6px;
  font-size: 18px;
  color: var(--primary);
  font-weight: 600;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
}

.feature-card {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-left: 5px solid var(--primary);
  padding: 35px 25px;
  border-radius: 6px;
  transition: all 0.4s ease-out;
  backdrop-filter: blur(10px);
}

.feature-card:hover {
  transform: scale(1.03) translateY(-5px);
  box-shadow: 0 10px 40px var(--primary-glow);
  border-left-color: var(--accent);
}

.feature-icon {
  font-size: 42px;
  margin-bottom: 20px;
  filter: drop-shadow(0 0 10px var(--primary-glow));
}

.feature-card h3 {
  font-size: 22px;
  margin-bottom: 12px;
  color: var(--accent);
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.about-text {
  font-size: 18px;
  line-height: 1.8;
}

.about-text h3 {
  font-size: 28px;
  margin-bottom: 20px;
  color: var(--primary);
}

.trust-badges {
  display: flex;
  gap: 20px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.badge {
  background: var(--card-bg);
  border: 2px solid var(--primary);
  padding: 12px 24px;
  border-radius: 6px;
  font-weight: 600;
  font-size: 14px;
}

.faq-section {
  max-width: 900px;
  margin: 0 auto;
}

.faq-item {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-left: 5px solid var(--secondary);
  margin-bottom: 20px;
  border-radius: 6px;
  overflow: hidden;
  transition: 0.4s ease-out;
}

.faq-item:hover {
  border-left-color: var(--primary);
}

.faq-question {
  padding: 20px 25px;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 18px;
  transition: 0.4s ease-out;
}

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

.faq-icon {
  font-size: 24px;
  transition: 0.4s ease-out;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
  padding: 0 25px;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 25px 20px;
}

.disclaimer {
  background: rgba(6, 182, 212, 0.1);
  border: 3px solid var(--primary);
  padding: 40px;
  border-radius: 6px;
  text-align: center;
  margin: 60px 0;
}

.disclaimer h3 {
  font-size: 32px;
  margin-bottom: 15px;
  color: var(--primary);
}

footer {
  background: rgba(4, 47, 46, 0.95);
  border-top: 3px solid var(--primary);
  padding: 50px 0 30px;
  margin-top: 80px;
}

.footer-content {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 30px;
}

.footer-brand h3 {
  font-size: 24px;
  margin-bottom: 15px;
  color: var(--primary);
}

.footer-links h4 {
  font-size: 18px;
  margin-bottom: 15px;
  color: var(--accent);
}

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

.footer-links a {
  color: var(--text-gray);
  text-decoration: none;
  display: block;
  margin-bottom: 10px;
  transition: 0.4s ease-out;
}

.footer-links a:hover {
  color: var(--primary);
  padding-left: 5px;
}

.footer-18 {
  display: flex;
  align-items: center;
  gap: 15px;
  margin-top: 20px;
}

.footer-18-badge {
  background: var(--primary);
  color: #000;
  padding: 12px 20px;
  border-radius: 6px;
  font-weight: 700;
  font-size: 28px;
  box-shadow: 0 0 25px var(--primary-glow);
}

.footer-bottom {
  text-align: center;
  padding-top: 30px;
  border-top: 2px solid var(--card-border);
  color: var(--text-gray);
}

.modal {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.9);
  z-index: 2000;
  align-items: center;
  justify-content: center;
  padding: 20px;
  backdrop-filter: blur(5px);
}

.modal.active {
  display: flex;
}

.modal-content {
  background: var(--bg-via);
  border: 3px solid var(--primary);
  padding: 50px;
  border-radius: 6px;
  max-width: 500px;
  text-align: center;
  box-shadow: 0 0 60px var(--primary-glow);
}

.modal-content h2 {
  font-size: 36px;
  margin-bottom: 20px;
  color: var(--primary);
}

.modal-buttons {
  display: flex;
  gap: 20px;
  margin-top: 30px;
  justify-content: center;
}

.btn-confirm, .btn-decline {
  padding: 14px 30px;
  border: 3px solid;
  border-radius: 6px;
  font-weight: 600;
  font-size: 16px;
  cursor: pointer;
  transition: 0.4s ease-out;
  font-family: 'Nunito', sans-serif;
}

.btn-confirm {
  background: transparent;
  border-color: var(--primary);
  color: var(--primary);
}

.btn-confirm:hover {
  background: var(--primary);
  color: #000;
  transform: scale(1.03);
}

.btn-decline {
  background: transparent;
  border-color: #ef4444;
  color: #ef4444;
}

.btn-decline:hover {
  background: #ef4444;
  color: #fff;
  transform: scale(1.03);
}

.content-page {
  padding: 50px 0;
  min-height: 80vh;
}

.content-header {
  text-align: center;
  margin-bottom: 50px;
}

.content-header h1 {
  font-size: 48px;
  color: var(--primary);
  margin-bottom: 15px;
}

.content-body {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-left: 6px solid var(--primary);
  padding: 40px;
  border-radius: 6px;
  line-height: 1.8;
}

.content-body h2 {
  font-size: 32px;
  color: var(--accent);
  margin: 30px 0 15px;
}

.content-body h3 {
  font-size: 24px;
  color: var(--primary);
  margin: 25px 0 12px;
}

.content-body p {
  margin-bottom: 15px;
}

.content-body ul, .content-body ol {
  margin: 15px 0 15px 30px;
}

.content-body li {
  margin-bottom: 8px;
}

.scoring-table {
  width: 100%;
  border-collapse: collapse;
  margin: 30px 0;
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-radius: 6px;
  overflow: hidden;
}

.scoring-table th {
  background: var(--primary);
  color: #000;
  padding: 15px;
  text-align: left;
  font-weight: 700;
}

.scoring-table td {
  padding: 12px 15px;
  border-bottom: 1px solid var(--card-border);
}

.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: 20px;
  margin: 30px 0;
}

.tip-card {
  background: var(--card-bg);
  border: 2px solid var(--card-border);
  border-left: 4px solid var(--accent);
  padding: 20px;
  border-radius: 6px;
  transition: 0.4s ease-out;
}

.tip-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px var(--accent-glow);
}

@media (max-width: 1024px) {
  .hero {
    grid-template-columns: 1fr;
    padding: 60px 0;
  }
  
  .hero-content h1 {
    font-size: 42px;
  }
  
  .about-content {
    grid-template-columns: 1fr;
  }
  
  .footer-content {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: -100%;
    flex-direction: column;
    background: rgba(4, 47, 46, 0.98);
    width: 100%;
    padding: 30px;
    transition: 0.4s ease-out;
    border-bottom: 3px solid var(--primary);
  }
  
  .nav-links.active {
    left: 0;
  }
  
  .hamburger {
    display: flex;
  }
  
  .hero-content h1 {
    font-size: 36px;
  }
  
  .section-title {
    font-size: 32px;
  }
  
  .download-section {
    padding: 30px 20px;
  }
  
  .email-form {
    flex-direction: column;
  }
  
  .modal-content {
    padding: 30px 20px;
  }
  
  .content-body {
    padding: 25px 20px;
  }
}

@media (max-width: 640px) {
  .hero-content h1 {
    font-size: 28px;
  }
  
  .hero-content p {
    font-size: 16px;
  }
  
  .cta-btn {
    padding: 12px 30px;
    font-size: 16px;
  }
  
  .modal-buttons {
    flex-direction: column;
  }
}