* { margin: 0; padding: 0; box-sizing: border-box; }
body {
    font-family: 'Segoe UI', system-ui, sans-serif;
    line-height: 1.6;
    color: #333;
}
.navbar {
    position: fixed;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    padding: 1rem 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}
.logo { font-size: 1.5rem; font-weight: bold; color: #2563eb; }
.nav-links { display: flex; gap: 2rem; }
.nav-links a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
}
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    display: flex;
    align-items: center;
    padding: 0 5%;
}
.hero-content { max-width: 600px; }
.hero h1 { font-size: 3.5rem; margin-bottom: 1rem; }
.hero p { font-size: 1.2rem; margin-bottom: 2rem; }
.btn {
    background-color: #2563eb;
    color: white;
    padding: 0.8rem 1.5rem;
    border: none;
    border-radius: 6px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-align: center;
    display: inline-block;
    text-decoration: none;
}

.btn:hover {
    background-color: #1d4ed8;
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(37, 99, 235, 0.1);
}

.btn:active {
    transform: translateY(0);
    box-shadow: none;
}

.btn:disabled {
    background-color: #93c5fd;
    cursor: not-allowed;
}
.section {
    padding: 5rem 5%;
    text-align: center;
}
.footer {
    background: #1e40af;
    color: white;
    padding: 2rem 5%;
    margin-top: 2rem;
}
.footer-links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin-top: 1rem;
}
.footer-links a {
    color: white;
    text-decoration: none;
}
@media (max-width: 768px) {
    .hero h1 { font-size: 2.5rem; }
    .nav-links { display: none; }
}