@import url('https://fonts.googleapis.com/css2?family=Roboto:wght@400;700&display=swap');

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

body {
    font-family: 'Roboto', sans-serif;
    background-color: #fff;
    color: #333;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

header {
    background-color: #333;
    color: #fff;
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: background-color 0.3s ease;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px;
}

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

header nav ul li {
    margin: 0 15px;
}

header nav ul li a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

header nav ul li a:hover {
    color: #f4f4f4;
}

header nav ul li a i {
    font-size: 1.5em;
}

main {
    padding-top: 80px;
}

.scroll-section {
    padding: 100px 0 60px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 1s ease-out, transform 1s ease-out;
}

.scroll-section.active {
    opacity: 1;
    transform: translateY(0);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

h2 {
    margin-bottom: 20px;
    font-size: 2.5em;
    color: inherit;
}

p {
    margin: 0 0 20px;
    line-height: 1.6;
    color: inherit;
}

.responsive {
    width: 100%;
    max-width: 1000px;
    height: auto;
    margin: 20px 0;
    border-radius: 10px;
    transition: transform 0.3s ease;
}

.responsive:hover {
    transform: scale(1.05);
}

form {
    display: flex;
    flex-direction: column;
    align-items: center;
}

form label {
    margin-top: 10px;
}

form input, form textarea {
    padding: 10px;
    margin-top: 5px;
    width: 100%;
    max-width: 500px;
    border: 1px solid #ccc;
    border-radius: 5px;
}

form button {
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #333;
    color: #fff;
    border: none;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

form button:hover {
    background-color: #555;
}

footer {
    background-color: #333;
    color: #fff;
    text-align: center;
    padding: 10px 0;
}

.service-grid {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 20px;
}

.service-item {
    background: #fff;
    padding: 20px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.service-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.2);
}

.service-item i {
    font-size: 3em;
    margin-bottom: 10px;
    color: #333;
}

header.scrolled {
    background-color: rgba(51, 51, 51, 0.9);
    transition: background-color 0.3s ease;
}