/* Modern Reset and Variables */
:root {
  --bg-color: #0d1117;
  --text-color: #e6edf3; --accent-color: #58a6ff;
  --secondary-text: #8b949e;
  --card-bg: #161b22;
  --border-color: #30363d;
  --font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Helvetica, Arial, sans-serif;
}

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

body {
  font-family: var(--font-family);
  background-color: var(--bg-color);
  color: var(--text-color);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header / Nav */
header {
  padding: 1.5rem 2rem;
  border-bottom: 1px solid var(--border-color);
  display: flex;
  justify-content: space-between;
  align-items: center;
  backdrop-filter: blur(10px);
  background: rgba(13, 17, 23, 0.8);
  position: sticky;
  top: 0;
  z-index: 100;
}

.logo {
  font-weight: 700;
  font-size: 1.5rem;
  background: linear-gradient(135deg, #58a6ff 0%, #a371f7 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  cursor: pointer;
}

nav a {
  color: var(--secondary-text);
  text-decoration: none;
  margin-left: 2rem;
  transition: color 0.2s ease;
  font-weight: 500;
}

nav a:hover {
  color: var(--accent-color);
}

/* Main Content */
main {
  flex: 1;
  max-width: 1200px;
  margin: 0 auto;
  padding: 4rem 2rem;
  width: 100%;
}

.hero {
  text-align: center;
  padding: 4rem 0 6rem;
}

h1 {
  font-size: 3.5rem;
  font-weight: 800;
  margin-bottom: 1.5rem;
  letter-spacing: -0.02em;
}

.gradient-text {
  background: linear-gradient(to right, #58a6ff, #bc8cff);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.description {
  font-size: 1.25rem;
  color: var(--secondary-text);
  max-width: 600px;
  margin: 0 auto 2.5rem;
}

.cta-button {
  display: inline-block;
  background: #238636;
  color: white;
  padding: 0.75rem 1.5rem;
  border-radius: 6px;
  text-decoration: none;
  font-weight: 600;
  transition: all 0.2s ease;
  border: 1px solid rgba(240, 246, 252, 0.1);
}

.cta-button:hover {
  background: #2ea043;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.2);
}

/* Features Grid */
.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.card {
  background: var(--card-bg);
  border: 1px solid var(--border-color);
  padding: 2rem;
  border-radius: 12px;
  transition: transform 0.2s ease, border-color 0.2s ease;
}

.card:hover {
  transform: translateY(-4px);
  border-color: var(--accent-color);
}

.card h3 {
  margin-bottom: 1rem;
  font-size: 1.25rem;
  color: var(--text-color);
}

.card p {
  color: var(--secondary-text);
  font-size: 0.95rem;
}

/* Footer */
footer {
  text-align: center;
  padding: 3rem;
  border-top: 1px solid var(--border-color);
  color: var(--secondary-text);
  font-size: 0.9rem;
}

@media (max-width: 768px) {
  h1 { font-size: 2.5rem; }
  .hero { padding: 3rem 0; }
}