@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;600;800&display=swap');

:root {
  --bg-color: #0b0f19;
  --text-color: #ffffff;
  --text-muted: #8b9bb4;
  --primary: #00E676; /* Hysterion Green */
  --primary-hover: #00c853;
  --accent-red: #FF3366; /* From the logo's red curve */
  
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
}

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

body {
  font-family: 'Inter', sans-serif;
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Background Gradients for Aesthetic */
.bg-glow {
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0,230,118,0.15) 0%, rgba(11,15,25,0) 70%);
  top: -200px;
  left: -200px;
  z-index: -1;
  pointer-events: none;
}
.bg-glow.right {
  top: 40%;
  left: auto;
  right: -300px;
  background: radial-gradient(circle, rgba(255,51,102,0.1) 0%, rgba(11,15,25,0) 70%);
}

/* Typography */
h1, h2, h3 {
  font-weight: 800;
  letter-spacing: -0.03em;
}
h1 {
  font-size: 4rem;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  background: linear-gradient(135deg, #fff 0%, #a0b0c0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}
h2 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}
p {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-bottom: 2rem;
}

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

/* Header */
header {
  padding: 2rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.logo-container {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 1.5rem;
  font-weight: 800;
  letter-spacing: -0.05em;
  text-decoration: none;
  color: white;
}
.logo-container svg {
  width: 40px;
  height: 40px;
}
.nav-links a {
  color: var(--text-color);
  text-decoration: none;
  margin-left: 2rem;
  font-weight: 600;
  transition: color 0.2s ease;
}
.nav-links a:hover {
  color: var(--primary);
}
.nav-links .btn-login {
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 0.5rem 1.2rem;
  border-radius: 50px;
}
.nav-links .btn-login:hover {
  background: rgba(0, 230, 118, 0.1);
}

/* Hero Section */
.hero {
  padding: 8rem 0;
  text-align: center;
}
.hero p {
  max-width: 600px;
  margin: 0 auto 2.5rem auto;
  font-size: 1.25rem;
}

/* Buttons */
.btn {
  display: inline-block;
  background-color: var(--primary);
  color: #000;
  font-weight: 600;
  text-decoration: none;
  padding: 1rem 2.5rem;
  border-radius: 50px;
  font-size: 1.1rem;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background-color 0.2s ease;
  border: none;
  cursor: pointer;
}
.btn:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 10px 20px rgba(0, 230, 118, 0.2);
}

/* Features Grid */
.features {
  padding: 5rem 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}
.feature-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 2.5rem;
  backdrop-filter: blur(10px);
  transition: transform 0.3s ease, border-color 0.3s ease;
}
.feature-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.2);
}
.feature-icon {
  width: 50px;
  height: 50px;
  background: rgba(0, 230, 118, 0.1);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: var(--primary);
}

/* Pricing */
.pricing-section {
  padding: 5rem 0 10rem 0;
  text-align: center;
}
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 4rem;
}
.pricing-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 3rem;
  backdrop-filter: blur(10px);
  position: relative;
  overflow: hidden;
}
.pricing-card.featured {
  border-color: rgba(0, 230, 118, 0.5);
  box-shadow: 0 20px 40px rgba(0, 230, 118, 0.05);
}
.pricing-card.featured::before {
  content: 'Best Value';
  position: absolute;
  top: 20px;
  right: -35px;
  background: var(--primary);
  color: #000;
  font-size: 0.8rem;
  font-weight: 800;
  padding: 5px 40px;
  transform: rotate(45deg);
}
.pricing-card h3 {
  font-size: 1.5rem;
  margin-bottom: 0.5rem;
}
.price {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 2rem;
  color: white;
}
.price span {
  font-size: 1.2rem;
  color: var(--text-muted);
  font-weight: 400;
}
.features-list {
  list-style: none;
  margin-bottom: 3rem;
  text-align: left;
}
.features-list li {
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  gap: 10px;
  color: #ddd;
}
.features-list li svg {
  color: var(--primary);
  flex-shrink: 0;
}
.pricing-card .btn {
  width: 100%;
}

/* Footer */
footer {
  border-top: 1px solid var(--glass-border);
  padding: 3rem 0;
  text-align: center;
  color: var(--text-muted);
}
footer a {
  color: var(--text-muted);
  text-decoration: none;
  margin: 0 1rem;
  transition: color 0.2s ease;
}
footer a:hover {
  color: white;
}
.footer-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-weight: 800;
  color: white;
  margin-bottom: 1.5rem;
}
.footer-logo svg {
  width: 24px;
  height: 24px;
}

/* Responsive */
@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  .hero { padding: 4rem 0; }
  .nav-links { display: none; } /* Simplified for mobile */
}