:root {
    --primary-color: #0056b3;
    --secondary-color: #004494;
    --text-color: #333;
    --bg-light: #f4f7f6;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

html {
    scroll-behavior: smooth;
}

body {
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-light);
}

.container {
    width: 80%;
    margin: 0 auto;
    overflow: hidden;
}

header {
    background: var(--white);
    color: var(--text-color);
    padding-top: 20px;
    min-height: 70px;
    border-bottom: 3px solid var(--primary-color);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .logo {
    float: left;
    color: var(--primary-color);
}

header nav {
    float: right;
    margin-top: 10px;
}

header nav ul {
    margin: 0;
    padding: 0;
    list-style: none;
}

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

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

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

.hero {
    background: linear-gradient(to right, #0056b3, #00d2ff);
    color: var(--white);
    padding: 100px 0;
    text-align: center;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 20px;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    background: var(--white);
    color: var(--primary-color);
    text-decoration: none;
    border: none;
    border-radius: 5px;
    font-weight: bold;
    cursor: pointer;
    font-size: 1rem;
    transition: background 0.3s, color 0.3s;
}

.btn:hover {
    background: var(--text-color);
    color: var(--white);
}

section {
    padding: 60px 0;
}

.about {
    background: var(--white);
    text-align: center;
}

.about h2 {
    margin-bottom: 20px;
    color: var(--primary-color);
}

.about p {
    max-width: 800px;
    margin: 0 auto;
    font-size: 1.1rem;
}

.services {
    background: var(--bg-light);
    text-align: center;
}

.services h2 {
    margin-bottom: 30px;
    color: var(--primary-color);
}

.service-grid {
    display: flex;
    justify-content: space-between;
    gap: 20px;
}

.service-card {
    background: var(--white);
    padding: 30px;
    flex: 1;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

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

.contact {
    background: var(--white);
}

.contact h2 {
    text-align: center;
    margin-bottom: 30px;
    color: var(--primary-color);
}

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

form input, form textarea {
    margin-bottom: 15px;
    padding: 12px;
    border: 1px solid #ccc;
    border-radius: 4px;
    font-size: 1rem;
}

form textarea {
    height: 150px;
    resize: vertical;
}

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