:root {
  --bg: #0f1724;
  --accent: #7c3aed;
  --accent2: #06b6d4;
  --text: #e6eef8;
  --muted: #94a3b8;
}

body {
  margin: 0;
  font-family: "Poppins", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

.container {
  width: 90%;
  max-width: 1100px;
  margin: auto;
  padding: 2rem 0;
}

/* Header */
.site-header {
  background: rgba(0, 0, 0, 0.6);
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  padding: 1rem 0;
  z-index: 1000;
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 1.5rem;
  color: var(--text);
  text-decoration: none;
  font-weight: bold;
}

.brand span {
  color: var(--accent);
}

.nav {
  display: flex;
  gap: 1rem;
}

.nav a {
  color: var(--text);
  text-decoration: none;
  padding: 0.5rem 1rem;
  transition: 0.3s;
}

.nav a:hover {
  color: var(--accent2);
}

.nav a.cta {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: white;
  border-radius: 6px;
}

/* Hero */
.hero {
  margin-top: 100px;
  padding: 4rem 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.hero-text {
  flex: 1;
  padding-right: 2rem;
}

.hero-text h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.hero-text p {
  color: var(--muted);
  margin-bottom: 1rem;
}

.hero-card {
  background: rgba(255, 255, 255, 0.05);
  padding: 1.5rem;
  border-radius: 10px;
}

input, textarea {
  width: 100%;
  margin: 0.5rem 0;
  padding: 0.7rem;
  border: none;
  border-radius: 6px;
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

.btn {
  display: inline-block;
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: white;
  border: none;
  padding: 0.7rem 1.2rem;
  border-radius: 8px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.2s ease;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn.outline {
  background: transparent;
  border: 1px solid var(--accent);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
}

.card {
  background: rgba(255, 255, 255, 0.05);
  padding: 1.5rem;
  border-radius: 10px;
}

.site-footer {
  text-align: center;
  padding: 1.5rem 0;
  background: rgba(0, 0, 0, 0.4);
  margin-top: 2rem;
}

.nav-toggle {
  display: none;
  background: transparent;
  color: white;
  font-size: 1.5rem;
  border: none;
}

/* Responsive */
@media (max-width: 768px) {
  .nav {
    display: none;
    flex-direction: column;
    background: #1e293b;
    position: absolute;
    right: 1rem;
    top: 70px;
    padding: 1rem;
    border-radius: 8px;
  }

  .nav.show {
    display: flex;
  }

  .nav-toggle {
    display: block;
  }

  .hero {
    flex-direction: column;
  }
}