:root {
  /* Colors */
  --bg-color: #050505;
  --bg-gradient: radial-gradient(circle at top, #111 0%, #050505 100%);
  --text-primary: #ffffff;
  --text-secondary: #a0a0a0;
  --accent-color: #00f2fe;
  --accent-color-hover: #4facfe;
  
  /* Glassmorphism */
  --glass-bg: rgba(255, 255, 255, 0.03);
  --glass-border: rgba(255, 255, 255, 0.08);
  --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
  
  /* Typography */
  --font-main: 'Inter', sans-serif;
  
  /* Spacing */
  --section-padding: 100px 20px;
}

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

body {
  background: var(--bg-color);
  background-image: var(--bg-gradient);
  color: var(--text-primary);
  font-family: var(--font-main);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Background Effects */
.bg-glow {
  position: fixed;
  top: -20%;
  left: -10%;
  width: 50vw;
  height: 50vw;
  background: radial-gradient(circle, rgba(79,172,254,0.15) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  z-index: -1;
  pointer-events: none;
  filter: blur(80px);
}
.bg-glow-2 {
  position: fixed;
  bottom: -20%;
  right: -10%;
  width: 40vw;
  height: 40vw;
  background: radial-gradient(circle, rgba(0,242,254,0.1) 0%, rgba(0,0,0,0) 70%);
  border-radius: 50%;
  z-index: -1;
  pointer-events: none;
  filter: blur(60px);
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 1rem;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  letter-spacing: -0.02em;
}
h1 span {
  background: linear-gradient(to right, var(--accent-color), var(--accent-color-hover));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  text-align: center;
  margin-bottom: 3rem;
}

p {
  color: var(--text-secondary);
  font-size: 1.125rem;
  max-width: 600px;
}

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

/* Navigation */
nav {
  padding: 20px 0;
  position: fixed;
  width: 100%;
  top: 0;
  z-index: 100;
  background: rgba(5, 5, 5, 0.7);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--glass-border);
}

.nav-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  text-decoration: none;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 32px;
  height: 32px;
  background: linear-gradient(135deg, var(--accent-color), var(--accent-color-hover));
  border-radius: 8px;
  display: inline-block;
}

.nav-links {
  display: flex;
  gap: 30px;
  align-items: center;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
  font-size: 0.9rem;
}

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

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 28px;
  border-radius: 50px;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  cursor: pointer;
  border: none;
  font-size: 1rem;
  gap: 8px;
}

.btn-primary {
  background: linear-gradient(135deg, var(--accent-color), var(--accent-color-hover));
  color: #000;
  box-shadow: 0 4px 15px rgba(0, 242, 254, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 242, 254, 0.5);
}

.btn-secondary {
  background: var(--glass-bg);
  color: var(--text-primary);
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Hero Section */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding-top: 80px; /* Offset for nav */
  text-align: center;
  position: relative;
}

.hero p {
  margin: 0 auto 2.5rem;
  font-size: 1.25rem;
}

.hero-btns {
  display: flex;
  gap: 15px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Features/Cards */
.section {
  padding: var(--section-padding);
}

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.glass-card {
  background: var(--glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border);
  border-radius: 24px;
  padding: 40px 30px;
  box-shadow: var(--glass-shadow);
  transition: transform 0.4s ease, border-color 0.4s ease;
  position: relative;
  overflow: hidden;
}

.glass-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(circle at top right, rgba(255,255,255,0.05), transparent);
  opacity: 0;
  transition: opacity 0.4s ease;
}

.glass-card:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, 0.15);
}

.glass-card:hover::before {
  opacity: 1;
}

.card-icon {
  width: 60px;
  height: 60px;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  font-size: 24px;
  color: var(--accent-color);
  border: 1px solid var(--glass-border);
}

.glass-card h3 {
  font-size: 1.5rem;
  margin-bottom: 15px;
}

.glass-card p {
  font-size: 1rem;
}

/* How it works (Steps) */
.steps-container {
  display: flex;
  flex-direction: column;
  gap: 20px;
  max-width: 800px;
  margin: 0 auto;
}

.step-row {
  display: flex;
  align-items: center;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  padding: 25px;
  backdrop-filter: blur(10px);
}

.step-num {
  font-size: 3rem;
  font-weight: 800;
  color: transparent;
  -webkit-text-stroke: 1px rgba(255,255,255,0.2);
  margin-right: 30px;
  line-height: 1;
}
.step-content h3 {
  margin-bottom: 10px;
}
.step-content p {
  margin-bottom: 0;
}

/* Footer */
footer {
  border-top: 1px solid var(--glass-border);
  padding: 60px 20px 40px;
  margin-top: 50px;
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  flex-wrap: wrap;
  gap: 40px;
}

.footer-col h4 {
  font-size: 1.2rem;
  margin-bottom: 20px;
  color: var(--text-primary);
}

.footer-col a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.3s;
}

.footer-col a:hover {
  color: var(--text-primary);
}

.footer-bottom {
  margin-top: 60px;
  padding-top: 20px;
  border-top: 1px solid var(--glass-border);
  text-align: center;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

/* Mobile Menu */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
}

@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(5, 5, 5, 0.95);
    backdrop-filter: blur(15px);
    flex-direction: column;
    padding: 30px 20px;
    border-bottom: 1px solid var(--glass-border);
    clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
    transition: clip-path 0.4s ease-in-out;
  }
  
  .nav-links.active {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
  }

  .menu-toggle {
    display: block;
  }

  .hero h1 {
    font-size: 2.5rem;
  }

  .step-row {
    flex-direction: column;
    text-align: center;
  }
  .step-num {
    margin-right: 0;
    margin-bottom: 20px;
  }
}

/* Animation Utilities */
.fade-up {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}