* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Segoe UI", sans-serif;
}

body {
  display: flex;
  background: linear-gradient(135deg, #020617, #0f172a);
  color: #e5e7eb;
}

/* Sidebar */
.sidebar {
  width: 230px;
  min-height: 100vh;
  background: rgba(15, 23, 42, 0.9);
  border-right: 1px solid rgba(255, 255, 255, 0.08);
  padding: 30px 20px;
  position: fixed;
}

.logo {
  text-align: center;
  font-size: 2rem;
  font-weight: bold;
  color: #38bdf8;
  margin-bottom: 40px;
}

.sidebar nav {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.sidebar nav a {
  text-decoration: none;
  color: #cbd5f5;
  padding: 10px 15px;
  border-radius: 6px;
  transition: 0.3s;
}

.sidebar nav a:hover,
.sidebar nav a.active {
  background: #38bdf8;
  color: #020617;
}

/* Main Content */
.main-content {
  margin-left: 230px;
  padding: 60px;
  width: 100%;
}

/* Sections */
.section {
  margin-bottom: 60px;
}

.home h1 {
  font-size: 3rem;
  margin-bottom: 10px;
}

.home h1 span {
  color: #38bdf8;
}

.home h3 {
  font-weight: 400;
  margin-bottom: 25px;
  color: #cbd5f5;
}

.home p {
  max-width: 750px;
  line-height: 1.7;
  margin-bottom: 20px;
  color: #d1d5db;
}

/* Buttons */
.buttons {
  margin-top: 30px;
  display: flex;
  gap: 15px;
}

.btn {
  text-decoration: none;
  padding: 12px 26px;
  border-radius: 6px;
  transition: 0.3s;
  font-weight: 500;
}

.primary {
  background: #38bdf8;
  color: #020617;
}

.primary:hover {
  background: #0ea5e9;
}

.secondary {
  border: 1px solid #38bdf8;
  color: #38bdf8;
}

.secondary:hover {
  background: #38bdf8;
  color: #020617;
}

/* Glass sections */
.glass {
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: 12px;
  padding: 30px;
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.glass h2 {
  margin-bottom: 15px;
  color: #38bdf8;
}

.glass p {
  line-height: 1.6;
  color: #d1d5db;
}

/* Responsive */
@media (max-width: 900px) {
  .sidebar {
    position: relative;
    width: 100%;
    min-height: auto;
  }

  .main-content {
    margin-left: 0;
    padding: 30px;
  }
}