/* Ubuntu-inspired color scheme */
:root {
    --ubuntu-orange: #DD4814;
    --ubuntu-gray: #777777;
    --ubuntu-light-gray: #EEEEEE;
    --ubuntu-dark-gray: #333333;
    --ubuntu-white: #FFFFFF;
    --ubuntu-black: #000000;
}

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

body {
    font-family: 'Ubuntu', sans-serif;
    line-height: 1.6;
    color: var(--ubuntu-dark-gray);
    background-color: var(--ubuntu-white);
}

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header */
header {
    background-color: var(--ubuntu-orange);
    color: var(--ubuntu-white);
    padding: 1rem 0;
}

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

header h1 {
    font-size: 2rem;
    font-weight: 700;
}

header h1 a {
    color: var(--ubuntu-white);
    text-decoration: none;
}

header nav ul {
    display: flex;
    list-style: none;
}

header nav ul li {
    margin-left: 2rem;
}

header nav ul li a {
    color: var(--ubuntu-white);
    text-decoration: none;
    font-weight: 500;
    transition: opacity 0.3s;
}

header nav ul li a:hover {
    opacity: 0.8;
}

/* Hero section */
.hero {
    text-align: center;
    padding: 4rem 0;
    background-color: var(--ubuntu-light-gray);
}

.hero h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--ubuntu-orange);
}

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

.btn {
    display: inline-block;
    background-color: var(--ubuntu-orange);
    color: var(--ubuntu-white);
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 500;
    transition: background-color 0.3s;
}

.btn:hover {
    background-color: #c23f10;
}

/* Features section */
.features {
    padding: 4rem 0;
}

.features h3 {
    text-align: center;
    margin-bottom: 3rem;
    color: var(--ubuntu-orange);
}

.cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.card {
    background-color: var(--ubuntu-light-gray);
    border-radius: 8px;
    padding: 2rem;
    text-align: center;
    transition: transform 0.3s, box-shadow 0.3s;
}

.card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.card h4 {
    color: var(--ubuntu-orange);
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background-color: var(--ubuntu-dark-gray);
    color: var(--ubuntu-white);
    text-align: center;
    padding: 2rem 0;
    font-size: 0.9rem;
}

/* Responsive */
@media (max-width: 768px) {
    header .container {
        flex-direction: column;
        text-align: center;
    }
    
    header nav ul {
        margin-top: 1rem;
    }
    
    header nav ul li {
        margin: 0 1rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
}