/* Base Styles */
:root {
    --primary-color: #00bcd4; /* Chlorine blue */
    --secondary-color: #009688;
    --dark-color: #333;
    --light-color: #f4f4f4;
    --danger-color: #dc3545;
    --success-color: #28a745;
    --max-width: 1200px;
}

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

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark-color);
    background-color: #fff;
}

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

a:hover {
    color: var(--secondary-color);
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 2rem;
    overflow: hidden;
}

.button {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border: none;
    border-radius: 4px;
    font-weight: bold;
    text-transform: uppercase;
    cursor: pointer;
    transition: all 0.3s ease;
}

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

.button.secondary {
    background-color: var(--light-color);
    color: var(--dark-color);
    border: 1px solid var(--dark-color);
}

.button.download-button {
    background-color: var(--success-color);
    color: white;
}

.button:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

section {
    padding: 4rem 0;
}

section h2 {
    text-align: center;
    margin-bottom: 2rem;
    font-size: 2.5rem;
}

/* Header */
header {
    background-color: white;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 40px;
    margin-right: 1rem;
}

.logo h1 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 1.5rem;
}

nav ul li a {
    color: var(--dark-color);
    font-weight: 500;
}

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

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--secondary-color) 100%);
    color: white;
    text-align: center;
    padding: 6rem 0;
}

.hero h1 {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.hero h2 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
    font-weight: 400;
}

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 2rem auto;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

/* Features Section */
.features {
    background-color: var(--light-color);
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: transform 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-10px);
}

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.feature-card h3 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

/* Download Section */
.download-options {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

.download-card {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.download-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.download-button {
    margin: 1.5rem 0;
}

.download-info {
    margin-top: 1rem;
    font-size: 0.9rem;
    color: #666;
}

.installation-guide {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.installation-guide h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.installation-guide ol {
    margin: 1.5rem 0;
    padding-left: 1.5rem;
}

.installation-guide li {
    margin-bottom: 0.5rem;
}

/* Desktop Environments Section */
.desktops {
    background-color: var(--light-color);
}

.desktop-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.desktop-card {
    background-color: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.desktop-card img {
    width: 100%;
    height: 200px;
    object-fit: cover;
}

.desktop-card h3 {
    color: var(--primary-color);
    padding: 1.5rem 1.5rem 0.5rem 1.5rem;
}

.desktop-card p {
    padding: 0 1.5rem 1rem 1.5rem;
}

.desktop-card ul {
    padding: 0 1.5rem 1.5rem 2.5rem;
    list-style: disc;
}

.desktop-card li {
    margin-bottom: 0.5rem;
}

/* Documentation Section */
.doc-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.doc-card {
    background-color: white;
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.doc-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    border-bottom: 2px solid var(--light-color);
    padding-bottom: 0.5rem;
}

.doc-card ul {
    list-style: none;
}

.doc-card li {
    margin-bottom: 0.5rem;
    padding-left: 1rem;
    position: relative;
}

.doc-card li:before {
    content: "•";
    color: var(--primary-color);
    position: absolute;
    left: 0;
}

/* Footer */
footer {
    background-color: var(--dark-color);
    color: white;
    padding: 4rem 0 2rem 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-logo {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-logo img {
    height: 40px;
    margin-bottom: 1rem;
}

.footer-links h4 {
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: #ccc;
}

.footer-links a:hover {
    color: white;
}

.footer-bottom {
    text-align: center;
    border-top: 1px solid #444;
    padding-top: 2rem;
    font-size: 0.9rem;
    color: #ccc;
}

/* Responsive Design */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        padding: 1rem;
    }
    
    .logo {
        margin-bottom: 1rem;
    }
    
    nav ul {
        flex-wrap: wrap;
        justify-content: center;
    }
    
    nav ul li {
        margin: 0.5rem;
    }
    
    .hero {
        padding: 4rem 0;
    }
    
    .hero h1 {
        font-size: 2.5rem;
    }
    
    .hero h2 {
        font-size: 1.5rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .button {
        width: 100%;
        text-align: center;
        margin-bottom: 1rem;
    }
    
    section {
        padding: 3rem 0;
    }
    
    section h2 {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .footer-logo {
        grid-column: 1 / -1;
        align-items: center;
        margin-bottom: 1rem;
    }
}