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

body {
  font-family: "Segoe UI", sans-serif;
  background: radial-gradient(circle at top left, #0f172a, #020617);
  color: white;
  overflow-x: hidden;
}

/* Navbar */
.navbar {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 40px;
  background: rgba(0,0,0,0.4);
  position: fixed;
  top: 0;
  left: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.logo {
  font-size: 1.5rem;
  font-weight: bold;
  color: #38bdf8;
}

.logo span {
  color: #34d399;
}

.nav-links a {
  margin-left: 20px;
  color: #e5e7eb;
  text-decoration: none;
  transition: 0.3s;
}

.nav-links a:hover {
  color: #38bdf8;
}

.btn {
  padding: 8px 16px;
  border-radius: 20px;
  font-weight: bold;
  transition: 0.3s;
}

.btn.primary {
  background: linear-gradient(90deg, #34d399, #38bdf8);
  color: white;
}

.btn.primary:hover {
  opacity: 0.8;
}

.btn.secondary {
  background: #ef4444;
  color: white;
}

.btn.secondary:hover {
  opacity: 0.8;
}

/* Hero */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 120px 20px 40px;
  position: relative;
}

.hero h1 {
  font-size: 3rem;
  max-width: 800px;
  line-height: 1.2;
  background: linear-gradient(90deg, #34d399, #38bdf8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero p {
  margin-top: 10px;
  color: #9ca3af;
}

.tagline {
  background: rgba(56, 189, 248, 0.2);
  border: 1px solid #38bdf8;
  padding: 6px 14px;
  border-radius: 20px;
  margin-bottom: 20px;
  font-size: 0.9rem;
}

.hero-buttons {
  margin-top: 30px;
}

.hero-buttons .btn {
  margin: 0 10px;
}

.stats {
  margin-top: 60px;
  display: flex;
  gap: 40px;
  font-size: 1rem;
  color: #d1d5db;
}
.stats strong {
  font-size: 1.5rem;
  color: #38bdf8;
}

/* Background animation */
body::before {
  content: "";
  position: absolute;
  width: 200%;
  height: 200%;
  background: radial-gradient(circle, rgba(56,189,248,0.2), transparent 60%);
  top: -50%;
  left: -50%;
  animation: moveBg 10s infinite linear;
  z-index: -1;
}

@keyframes moveBg {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

/* Fade-in animations */
.hidden { 
  opacity: 0; 
  transform: translateY(30px); 
  transition: 1s; 
}
.visible { 
  opacity: 1; 
  transform: translateY(0); 
}