:root {
    --primary-color: #2c3e50;
    --secondary-color: #3498db;
    --accent-color: #e67e22;
    --bg-color: #f4f7f6;
    --text-color: #333;
    --light-text: #fff;
    --card-bg: #fff;
    --transition: all 0.3s ease;
}

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

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

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
nav {
    background: var(--primary-color);
    color: var(--light-text);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

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

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

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

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

nav ul li a {
    color: var(--light-text);
    text-decoration: none;
    font-weight: bold;
    transition: var(--transition);
}

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

/* Header / Hero */
header {
    background: linear-gradient(rgba(44, 62, 80, 0.8), rgba(44, 62, 80, 0.8)), url('https://images.unsplash.com/photo-1581094288338-2314dddb7e8b?ixlib=rb-1.2.1&auto=format&fit=crop&w=1350&q=80') no-repeat center center/cover;
    color: var(--light-text);
    height: 60vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 0 20px;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

header p {
    font-size: 1.2rem;
    max-width: 800px;
    margin-bottom: 2rem;
}

.btn {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--light-text);
    padding: 0.8rem 2rem;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    transition: var(--transition);
}

.btn:hover {
    background: var(--accent-color);
    transform: scale(1.05);
}

/* Sections */
section {
    padding: 4rem 0;
}

section h2 {
    text-align: center;
    margin-bottom: 3rem;
    font-size: 2rem;
    position: relative;
    padding-bottom: 10px;
}

section h2::after {
    content: '';
    background: var(--secondary-color);
    height: 3px;
    width: 50px;
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
}

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

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

.service:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.service i {
    color: var(--secondary-color);
    margin-bottom: 1.5rem;
}

.service h3 {
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

/* About */
#about {
    background: #fff;
}

#about p {
    margin-bottom: 1rem;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}

/* Contact */
#contact {
    text-align: center;
}

.contact-info p {
    margin: 1rem 0;
    font-size: 1.1rem;
}

.contact-info i {
    color: var(--secondary-color);
    margin-right: 10px;
}

#contact a {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1.2rem;
    font-weight: bold;
    transition: var(--transition);
}

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

/* Footer */
footer {
    background: var(--primary-color);
    color: var(--light-text);
    text-align: center;
    padding: 2rem 0;
}

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

    nav .container {
        flex-direction: column;
    }

    nav ul {
        margin-top: 1rem;
    }

    nav ul li {
        margin: 0 10px;
    }
}