:root {
  --primary: #386f9a;
  --primary-light: #4a8bb8;
  --primary-dark: #2a5273;
  --accent: #10b981;
  --surface-900: #0f172a;
  --surface-800: #1e293b;
  --surface-100: #f8fafc;
  --text-main: #334155;
  --text-muted: #64748b;
  --white: #ffffff;
  --glass: rgba(255, 255, 255, 0.7);
  --glass-border: rgba(255, 255, 255, 0.3);
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: 'Outfit', sans-serif;
}

body {
  background-color: var(--surface-100);
  color: var(--text-main);
  line-height: 1.6;
  overflow-x: hidden;
}

/* Typography */
h1, h2, h3 {
  font-family: 'Inter', sans-serif;
  font-weight: 800;
  line-height: 1.2;
}

/* Navbar */
nav {
  position: fixed;
  top: 0;
  width: 100%;
  padding: 1.5rem 10%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 1000;
  background: rgba(248, 250, 252, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--glass-border);
}

.logo {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--primary);
  letter-spacing: -1px;
}

.logo span { color: var(--text-main); }

.nav-links {
  display: flex;
  gap: 2.5rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-main);
  font-weight: 600;
  transition: color 0.3s;
}

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

.btn-demo {
  background: var(--primary);
  color: var(--white);
  padding: 0.8rem 1.5rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  box-shadow: 0 10px 20px rgba(56, 111, 154, 0.2);
  transition: all 0.3s;
}

.btn-demo:hover {
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(56, 111, 154, 0.3);
}

/* Hero Section */
.hero {
  padding: 10rem 10% 5rem;
  display: flex;
  align-items: center;
  gap: 4rem;
  min-height: 90vh;
  background: radial-gradient(circle at top right, rgba(56, 111, 154, 0.1), transparent);
}

.hero-content { flex: 1; }

.hero-content h1 {
  font-size: 4rem;
  color: var(--surface-900);
  margin-bottom: 1.5rem;
}

.hero-content h1 span {
  background: linear-gradient(to right, var(--primary), var(--accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-content p {
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 500px;
}

.hero-visual {
  flex: 1.2;
  position: relative;
}

.hero-visual img {
  width: 100%;
  border-radius: 20px;
  box-shadow: 0 30px 60px rgba(0,0,0,0.1);
  animation: float 6s ease-in-out infinite;
}

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

/* Features Grid */
.section-padding { padding: 8rem 10%; }

.section-header {
  text-align: center;
  margin-bottom: 5rem;
}

.section-header h2 {
  font-size: 2.8rem;
  margin-bottom: 1rem;
}

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

.feature-card {
  background: var(--white);
  padding: 3rem;
  border-radius: 24px;
  border: 1px solid #e2e8f0;
  transition: all 0.3s;
}

.feature-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px rgba(0,0,0,0.05);
}

.icon-box {
  width: 60px;
  height: 60px;
  background: rgba(56, 111, 154, 0.1);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 16px;
  margin-bottom: 2rem;
  font-size: 1.5rem;
}

/* CTA */
.cta-section {
  margin: 5rem 10%;
  background: var(--surface-900);
  border-radius: 40px;
  padding: 5rem;
  text-align: center;
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.cta-section h2 { font-size: 3rem; margin-bottom: 1.5rem; }

.cta-section p { color: #94a3b8; font-size: 1.2rem; margin-bottom: 3rem; }

/* Responsive */
@media (max-width: 1024px) {
  .hero { flex-direction: column; text-align: center; }
  .hero-content h1 { font-size: 3rem; }
  .hero-content p { margin: 0 auto 2.5rem; }
}
