:root {
    --primary-color: #3498db;
    --secondary-color: #2c3e50;
    --accent-color: #e74c3c;
    --bg-color: #f4f7f6;
    --text-color: #333;
    --white: #ffffff;
}

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

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

header {
    background-color: var(--secondary-color);
    color: var(--white);
    padding: 1rem 5%;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: balance;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.5rem;
    font-weight: bold;
}

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

nav ul li {
    margin-left: 20px;
}

nav ul li a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s;
}

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

main {
    margin-top: 60px;
}

.hero {
    height: 80vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('https://images.unsplash.com/photo-1497215728101-856f4ea42174?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80');
    background-size: cover;
    background-position: center;
    display: flex;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}

.hero-content h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.hero-content p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
}

#cta-button {
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color 0.3s;
}

#cta-button:hover {
    background-color: #2980b9;
}

.features {
    padding: 80px 5%;
    text-align: center;
}

.features h2 {
    margin-bottom: 40px;
    font-size: 2.5rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.feature-card {
    background-color: var(--white);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    margin-bottom: 15px;
    color: var(--primary-color);
}

.contact {
    padding: 80px 5%;
    background-color: var(--white);
    text-align: center;
}

.contact h2 {
    margin-bottom: 40px;
}

#contact-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

#contact-form input, 
#contact-form textarea {
    padding: 12px;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-size: 1rem;
}

#contact-form textarea {
    height: 150px;
    resize: vertical;
}

#contact-form button {
    padding: 15px;
    background-color: var(--secondary-color);
    color: var(--white);
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1.1rem;
    transition: background-color 0.3s;
}

#contact-form button:hover {
    background-color: #34495e;
}

footer {
    background-color: var(--secondary-color);
    color: var(--white);
    text-align: center;
    padding: 20px 0;
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2rem;
    }
}