@import url('https://fonts.googleapis.com/css2?family=Ubuntu:ital,wght@0,300;0,400;0,500;0,700;1,300;1,400;1,500;1,700&display=swap');
@import url('https://cdn.jsdelivr.net/npm/bootstrap-icons/font/bootstrap-icons.css');

:root {
  --primary-color: #137D15;
  --secondary-color: #000000;
  --third-color: #111111;
  --text-primary: #FFFFFF;
  --text-secondary: #AAAAAA;
  --accent-primary: #12ED36;
  --step-color: #1a8a1d;
}

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

body {
  font-family: 'Ubuntu', sans-serif;
  background: linear-gradient(135deg, #0a0a0a 0%, #1a1a1a 100%);
  color: var(--text-primary);
  line-height: 1.6;
}

a {
  text-decoration: none;
  color: var(--accent-primary);
}

img {
  max-width: 100%;
  height: auto;
}

.btn {
  padding: 12px 24px;
  border: none;
  border-radius: 8px;
  font-weight: 700;
  transition: all 0.3s ease;
  cursor: pointer;
  display: inline-block;
}

.background-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.5);
  z-index: 1;
}

.navbar {
  background: linear-gradient(90deg, var(--secondary-color) 0%, #1a1a1a 100%);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 80px;
  box-shadow: 0 2px 10px rgba(0,0,0,0.5);
}

.navbar .logo img {
  height: 50px;
}

.navbar-menu {
  display: flex;
  gap: 20px;
  list-style: none;
}

.navbar-menu li a {
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 500;
  padding: 8px 16px;
  border-radius: 6px;
  transition: all 0.3s ease;
}

.navbar-menu li a:hover {
  color: var(--accent-primary);
  background: rgba(18, 237, 54, 0.1);
}

.auth-buttons {
  display: flex;
  gap: 10px;
}

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

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

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

main {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

.hero {
  position: relative;
  background: linear-gradient(135deg, var(--step-color) 0%, var(--primary-color) 100%);
  padding: 60px 40px;
  border-radius: 15px;
  margin-bottom: 50px;
  text-align: center;
  box-shadow: 0 10px 30px rgba(0,0,0,0.3);
  overflow: hidden;
}

.hero-content h1 {
  font-size: 2.2rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.hero-content p {
  font-size: 1.1rem;
  margin-bottom: 30px;
  color: rgba(255,255,255,0.9);
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

.step-guide {
  background: var(--secondary-color);
  border-radius: 15px;
  padding: 40px;
  margin: 30px 0;
  border-left: 4px solid var(--accent-primary);
}

.step-item {
  display: flex;
  gap: 25px;
  margin-bottom: 40px;
  padding: 25px;
  background: var(--third-color);
  border-radius: 12px;
  transition: transform 0.3s ease;
}

.step-item:hover {
  transform: translateX(10px);
}

.step-number {
  min-width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--accent-primary) 0%, var(--primary-color) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--secondary-color);
  flex-shrink: 0;
}

.step-content h3 {
  color: var(--accent-primary);
  margin-bottom: 15px;
  font-size: 1.4rem;
}

.step-content p, .step-content ul, .step-content ol {
  color: var(--text-secondary);
  line-height: 1.8;
}

.step-content ul, .step-content ol {
  margin: 15px 0;
  padding-left: 25px;
}

.info-box {
  background: linear-gradient(135deg, rgba(18, 237, 54, 0.1) 0%, rgba(19, 125, 21, 0.1) 100%);
  border: 2px solid var(--accent-primary);
  border-radius: 12px;
  padding: 25px;
  margin: 30px 0;
}

.info-box h3 {
  color: var(--accent-primary);
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.info-box h3::before {
  content: "ℹ️";
  font-size: 1.5rem;
}

.grid-features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 25px;
  margin: 40px 0;
}

.feature-card {
  background: var(--third-color);
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid transparent;
}

.feature-card:hover {
  border-color: var(--accent-primary);
  transform: translateY(-5px);
  box-shadow: 0 10px 25px rgba(18, 237, 54, 0.2);
}

.feature-card h4 {
  color: var(--accent-primary);
  font-size: 1.3rem;
  margin: 15px 0;
}

.feature-card p {
  color: var(--text-secondary);
  line-height: 1.6;
}

.footer {
  background: var(--secondary-color);
  padding: 40px 20px;
  margin-top: 60px;
  border-top: 2px solid var(--primary-color);
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 30px;
}

.footer-logo img {
  height: 50px;
}

.footer-links {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: center;
}

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

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

.footer-copy p {
  color: var(--text-secondary);
  text-align: center;
}

/* Comparison Table Styles */
.comparison-table {
  width: 100%;
  border-collapse: collapse;
  margin: 30px 0;
  background: var(--secondary-color);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.3);
}

.comparison-table th {
  background: linear-gradient(135deg, var(--step-color) 0%, var(--primary-color) 100%);
  color: var(--text-primary);
  padding: 15px;
  text-align: left;
  font-weight: 600;
  font-size: 1rem;
}

.comparison-table td {
  padding: 15px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  color: var(--text-secondary);
  font-size: 0.95rem;
}

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

.comparison-table tr:hover {
  background: rgba(18, 237, 54, 0.05);
}

.comparison-table .check {
  color: var(--accent-primary);
  font-weight: bold;
  font-size: 1.2rem;
}

.comparison-table .cross {
  color: #ff6b6b;
  font-weight: bold;
}

.comparison-section {
  background: var(--secondary-color);
  border-radius: 15px;
  padding: 30px;
  margin: 40px 0;
  border: 2px solid var(--primary-color);
}

.comparison-section h2 {
  color: var(--accent-primary);
  font-size: 2rem;
  margin-bottom: 25px;
  text-align: center;
}

@media (max-width: 768px) {
  .navbar {
    flex-direction: column;
    padding: 20px;
  }
  
  .hero-content h1 {
    font-size: 1.6rem;
  }
  
  .step-item {
    flex-direction: column;
    text-align: center;
  }
  
  .step-number {
    margin: 0 auto;
  }
  
  .comparison-table {
    font-size: 0.85rem;
  }
  
  .comparison-table th,
  .comparison-table td {
    padding: 10px;
  }
}