:root {
  --primary: #38bdf8;
  --primary-hover: #0ea5e9;
  --secondary: #8b5cf6;
  --accent: #f43f5e;
  --bg-dark: #0f172a;
  --bg-card: rgba(30, 41, 59, 0.7);
  --text-main: #f8fafc;
  --text-muted: #94a3b8;
  --glass: rgba(255, 255, 255, 0.05);
  --glass-border: rgba(255, 255, 255, 0.1);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

/* Typography */
h1, h2, h3 {
  font-weight: 900;
  letter-spacing: -0.02em;
  background: linear-gradient(135deg, #fff 0%, #cbd5e1 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Background Effects */
.bg-blobs {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: -1;
  overflow: hidden;
}

.blob {
  position: absolute;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, var(--primary) 0%, transparent 70%);
  filter: blur(100px);
  opacity: 0.15;
  animation: float 20s infinite alternate;
}

.blob-1 { top: -10%; left: -10%; background: radial-gradient(circle, var(--primary) 0%, transparent 70%); }
.blob-2 { bottom: -10%; right: -10%; background: radial-gradient(circle, var(--secondary) 0%, transparent 70%); }
.blob-3 { top: 40%; left: 30%; background: radial-gradient(circle, var(--accent) 0%, transparent 70%); opacity: 0.1; }

@keyframes float {
  0% { transform: translate(0, 0) scale(1); }
  100% { transform: translate(50px, 50px) scale(1.1); }
}

/* Navigation */
nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem 5%;
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
}

.logo {
  font-size: 1.5rem;
  font-weight: 900;
  background: linear-gradient(to right, var(--primary), var(--secondary));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  text-decoration: none;
}

.nav-links {
  display: flex;
  gap: 2rem;
}

.nav-links a {
  color: var(--text-main);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.9rem;
  transition: var(--transition);
  opacity: 0.8;
}

.nav-links a:hover {
  opacity: 1;
  color: var(--primary);
}

.btn-cta {
  background: linear-gradient(135deg, var(--primary), var(--secondary));
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  transition: var(--transition);
  border: none;
  cursor: pointer;
  box-shadow: 0 10px 20px -5px rgba(56, 189, 248, 0.4);
}

.btn-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 15px 30px -5px rgba(56, 189, 248, 0.6);
}

/* Hero Section */
.hero {
  padding: 8rem 5% 4rem;
  text-align: center;
  max-width: 1000px;
  margin: 0 auto;
}

.hero h1 {
  font-size: clamp(3rem, 8vw, 5rem);
  margin-bottom: 1.5rem;
  line-height: 1.1;
}

.hero p {
  font-size: clamp(1.1rem, 3vw, 1.4rem);
  color: var(--text-muted);
  margin-bottom: 3rem;
}

.hero-btns {
  display: flex;
  gap: 1.5rem;
  justify-content: center;
}

.btn-secondary {
  background: var(--glass);
  border: 1px solid var(--glass-border);
  color: var(--text-main);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  transition: var(--transition);
}

.btn-secondary:hover {
  background: var(--glass-border);
  border-color: var(--text-muted);
}

/* Stats Section */
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  padding: 4rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.stat-card {
  background: var(--bg-card);
  padding: 2rem;
  border-radius: 24px;
  text-align: center;
  border: 1px solid var(--glass-border);
  backdrop-filter: blur(10px);
}

.stat-value {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary);
  display: block;
}

.stat-label {
  color: var(--text-muted);
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

/* Features Section */
.features {
  padding: 6rem 5%;
  max-width: 1200px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  margin-bottom: 1rem;
}

.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.feature-card {
  background: var(--bg-card);
  padding: 3rem 2rem;
  border-radius: 32px;
  border: 1px solid var(--glass-border);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.feature-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, var(--primary) 0%, transparent 100%);
  opacity: 0;
  transition: var(--transition);
}

.feature-card:hover {
  transform: translateY(-10px);
  border-color: var(--primary);
}

.feature-card:hover::before {
  opacity: 0.05;
}

.feature-icon {
  width: 60px;
  height: 60px;
  background: var(--glass);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 2rem;
  font-size: 1.5rem;
  color: var(--primary);
}

.feature-card h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
  -webkit-text-fill-color: initial;
  background: none;
  color: var(--text-main);
}

/* SEO Content Section */
.seo-content {
  padding: 6rem 5%;
  max-width: 900px;
  margin: 0 auto;
}

.keyword-badge {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--glass);
  border: 1px solid var(--glass-border);
  border-radius: 50px;
  margin: 0.25rem;
  font-size: 0.8rem;
  color: var(--text-muted);
}

/* Footer style */
footer {
  padding: 6rem 5% 2rem;
  border-top: 1px solid var(--glass-border);
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 4rem;
  margin-bottom: 4rem;
}

.footer-col h4 {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
}

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

.footer-col ul li {
  margin-bottom: 0.75rem;
}

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

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

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  border-top: 1px solid var(--glass-border);
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hero { padding-top: 6rem; }
  .hero-btns { flex-direction: column; }
}

/* Micro-animations */
[data-animate] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

[data-animate].visible {
  opacity: 1;
  transform: translateY(0);
}