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

:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #f3f4f6;
    --text-color: #1f2937;
    --text-light: #6b7280;
    --border-color: #e5e7eb;
    --accent-color: #ff6f61;
    --bg-light: #f9fafb;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: #ffffff;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 60px 20px;
    text-align: center;
}

header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
    font-weight: 700;
}

.tagline {
    font-size: 1.5rem;
    opacity: 0.95;
    font-weight: 300;
}

/* Hero Section */
.hero {
    text-align: center;
    padding: 80px 20px;
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    color: var(--text-color);
    font-weight: 600;
}

.hero-description {
    font-size: 1.25rem;
    color: var(--text-light);
    max-width: 800px;
    margin: 0 auto 40px;
    line-height: 1.8;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-block;
    padding: 14px 32px;
    text-decoration: none;
    border-radius: 8px;
    font-size: 1.1rem;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-primary {
    background-color: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.btn-secondary {
    background-color: white;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-secondary:hover {
    background-color: var(--secondary-color);
    transform: translateY(-2px);
}

/* Features Section */
.features {
    padding: 80px 20px;
    background-color: var(--bg-light);
}

.features h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--text-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature {
    background: white;
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 15px;
}

.feature h3 {
    font-size: 1.5rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.feature p {
    color: var(--text-light);
    line-height: 1.7;
}

/* Installation Section */
.installation {
    padding: 80px 20px;
}

.installation h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--text-color);
}

.install-steps {
    max-width: 800px;
    margin: 0 auto;
    counter-reset: step-counter;
    list-style: none;
}

.install-steps li {
    margin-bottom: 40px;
    padding-left: 60px;
    position: relative;
}

.install-steps li::before {
    counter-increment: step-counter;
    content: counter(step-counter);
    position: absolute;
    left: 0;
    top: 0;
    background: var(--primary-color);
    color: white;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.2rem;
}

.install-steps strong {
    display: block;
    font-size: 1.3rem;
    margin-bottom: 8px;
    color: var(--text-color);
}

.install-steps p {
    color: var(--text-light);
    line-height: 1.7;
}

.install-steps code {
    background-color: var(--secondary-color);
    padding: 2px 8px;
    border-radius: 4px;
    font-family: 'Courier New', monospace;
    font-size: 0.95em;
}

.note {
    max-width: 800px;
    margin: 40px auto 0;
    padding: 20px;
    background-color: #fff3cd;
    border-left: 4px solid #ffc107;
    border-radius: 4px;
}

.note strong {
    color: #856404;
}

/* Supported Platforms */
.supported-platforms {
    padding: 80px 20px;
    background-color: var(--bg-light);
}

.supported-platforms h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 40px;
    color: var(--text-color);
}

.platforms {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.platform {
    background: white;
    padding: 20px 40px;
    border-radius: 8px;
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--primary-color);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* FAQ Section */
.faq {
    padding: 80px 20px;
    max-width: 900px;
    margin: 0 auto;
}

.faq h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 60px;
    color: var(--text-color);
}

.faq-item {
    margin-bottom: 30px;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--border-color);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-item h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--text-color);
}

.faq-item p {
    color: var(--text-light);
    line-height: 1.7;
}

.faq-item a {
    color: var(--primary-color);
    text-decoration: none;
}

.faq-item a:hover {
    text-decoration: underline;
}

/* Footer */
footer {
    background-color: var(--text-color);
    color: white;
    padding: 40px 20px;
    text-align: center;
}

footer a {
    color: white;
    text-decoration: none;
    margin: 0 15px;
}

footer a:hover {
    text-decoration: underline;
}

.copyright {
    margin-top: 20px;
    opacity: 0.7;
}

.copyright a {
    margin: 0 5px;
    opacity: 1;
}

/* Responsive Design */
@media (max-width: 768px) {
    header h1 {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

    .hero h2 {
        font-size: 1.8rem;
    }

    .hero-description {
        font-size: 1.1rem;
    }

    .features h2,
    .installation h2,
    .supported-platforms h2,
    .faq h2 {
        font-size: 2rem;
    }

    .feature-grid {
        grid-template-columns: 1fr;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .btn {
        text-align: center;
    }
}