:root {
    --primary-color: #1a73e8;
    --secondary-color: #4285f4;
    --text-color: #202124;
    --light-gray: #f8f9fa;
    --border-color: #dadce0;
}

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

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

header {
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
    color: var(--primary-color);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
}

nav a {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
}

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

main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

.hero {
    text-align: center;
    padding: 4rem 0;
    background: var(--light-gray);
    border-radius: 8px;
    margin-bottom: 3rem;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.hero-description {
    max-width: 800px;
    margin: 2rem auto;
    padding: 0 1rem;
}

.hero-description p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #444;
}

.hero h2 {
      margin-bottom: 2rem;
  }

.specs-table {
    width: 100%;
    max-width: 800px;
    margin: 2rem auto;
    border-collapse: collapse;
    background: white;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    border-radius: 8px;
    overflow: hidden;
}

.specs-table tr {
    border-bottom: 1px solid var(--border-color);
}

.specs-table tr:last-child {
    border-bottom: none;
}

.specs-table td {
    padding: 1rem 1.5rem;
    text-align: left;
}

.specs-table td:first-child {
    font-weight: 600;
    background: var(--light-gray);
    width: 30%;
}

.download-btn {
    background: var(--primary-color);
    color: white;
    padding: 1rem 1.5rem;
    border-radius: 4px;
    text-decoration: none;
    font-weight: bold;
    transition: background 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    min-width: 180px;
    justify-content: center;
    margin-top: 2rem;
}

.download-btn:hover {
    background: var(--secondary-color);
    transform: translateY(-1px);
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
}

.download-icon {
    transition: transform 0.3s ease;
}

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

.features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin: 3rem 0;
}

.feature {
    text-align: center;
    padding: 2rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.installation {
    background: var(--light-gray);
    padding: 3rem;
    border-radius: 8px;
    margin: 3rem 0;
}

.installation h2 {
    margin-bottom: 2rem;
    color: var(--primary-color);
}

.installation ol {
    padding-left: 2rem;
}

.installation li {
    margin-bottom: 1rem;
}

.installation-image {
    margin: 1.5rem 0;
    background: white;
    padding: 1rem;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.installation-img {
    width: 100%;
    height: auto;
    max-width: 600px;
    display: block;
    margin: 0 auto;
    border-radius: 4px;
}

.faq {
    margin: 3rem 0;
}

.faq-item {
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

.faq h2 {
    margin-bottom: 2rem;
    color: var(--primary-color);
}

footer {
    background: var(--light-gray);
    padding: 2rem;
    text-align: center;
    margin-top: 4rem;
}

@media (max-width: 768px) {
    nav {
        flex-direction: column;
        gap: 1rem;
    }

    nav ul {
        gap: 1rem;
    }

    .hero {
        padding: 2rem 1rem;
    }

    .specs-table {
        margin: 2rem 1rem;
    }

    .specs-table td {
        padding: 0.8rem 1rem;
    }

    .installation {
        padding: 1.5rem;
    }

    .installation-image {
        padding: 0.5rem;
        margin: 1rem 0;
    }

    .installation-img {
        max-width: 100%;
    }
}

html {
    scroll-padding-top: 80px; /* Adjust this value to the height of your header */
}