body {
    font-family: 'Inter', sans-serif;
    margin: 0;
    padding: 0;
    background-color: #f5f6f5;
    color: #1a202c;
    overflow-x: hidden;
}

.hero {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://source.unsplash.com/random/1920x1080/?tech') no-repeat center center/cover;
    opacity: 0.2;
    z-index: 1;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 40px 20px;
    position: relative;
    z-index: 2;
}

header {
    text-align: center;
    color: #fff;
}

header h1 {
    font-size: 4.5em;
    font-weight: 800;
    margin-bottom: 10px;
    letter-spacing: -1px;
    animation: slideInDown 1s ease-out;
}

.subtitle {
    font-size: 1.5em;
    font-weight: 300;
    max-width: 600px;
    margin: 0 auto 30px;
    color: #e2e8f0;
}

.button-group {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.button {
    display: inline-block;
    padding: 15px 40px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1em;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.button.primary {
    background: #ffffff;
    color: #4f46e5;
}

.button.secondary {
    background: transparent;
    color: #ffffff;
    border: 2px solid #ffffff;
}

.button:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

section {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

section.visible {
    opacity: 1;
    transform: translateY(0);
}

h2 {
    font-size: 2.8em;
    font-weight: 800;
    color: #4f46e5;
    margin-bottom: 20px;
    position: relative;
}

h2::after {
    content: '';
    width: 60px;
    height: 4px;
    background: #4f46e5;
    position: absolute;
    bottom: -10px;
    left: 0;
}

.section-intro {
    font-size: 1.2em;
    color: #4b5563;
    margin-bottom: 40px;
    max-width: 700px;
}

.steps-grid, .features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.step-card, .feature-card {
    background: #ffffff;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.step-card:hover, .feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.step-number {
    font-size: 2em;
    font-weight: 800;
    color: #4f46e5;
    margin-bottom: 10px;
}

h3 {
    font-size: 1.5em;
    font-weight: 600;
    color: #1a202c;
    margin-bottom: 15px;
}

pre {
    background: #1a202c;
    color: #f8fafc;
    padding: 20px;
    border-radius: 8px;
    font-size: 0.95em;
    overflow-x: auto;
}

code {
    font-family: 'Courier New', monospace;
    color: #f8fafc;
}

ul {
    padding-left: 20px;
    color: #4b5563;
}

ul li {
    margin-bottom: 10px;
}

footer {
    text-align: center;
    padding: 20px 0;
    margin-top: 60px;
    color: #6b7280;
    border-top: 1px solid #e5e7eb;
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (max-width: 768px) {
    header h1 {
        font-size: 3em;
    }
    .subtitle {
        font-size: 1.2em;
    }
    .button-group {
        flex-direction: column;
        gap: 15px;
    }
}