/* Общие стили */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Arial', sans-serif;
}

body {
    background: #f5f5f5;
    color: #333;
    line-height: 1.6;
}

/* Контейнер */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Шапка */
header {
    background: #fff;
    padding: 20px 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 10;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.logo {
    font-size: 28px;
    font-weight: bold;
    color: #e74c3c;
}

nav ul {
    float: right;
    list-style: none;
}

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

nav ul li a {
    text-decoration: none;
    color: #333;
    font-weight: 500;
    transition: color 0.3s;
}

nav ul li a:hover {
    color: #e74c3c;
}

/* Герой */
.hero {
    height: 100vh;
    background: linear-gradient(135deg, #ecf0f1, #dfe4ea);
    display: flex;
    align-items: center;
    text-align: center;
}

.hero h2 {
    font-size: 48px;
    font-weight: 900;
    letter-spacing: 2px;
    margin-bottom: 20px;
    animation: fadeIn 1s ease-in;
}

.hero p {
    font-size: 24px;
    margin-bottom: 30px;
}

.cta-button {
    padding: 15px 30px;
    font-size: 18px;
    background: #e74c3c;
    color: #fff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(231, 76, 60, 0.3);
    transition: transform 0.3s, box-shadow 0.3s;
}

.cta-button:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(231, 76, 60, 0.5);
}

/* Услуги */
.services {
    padding: 80px 0;
    background: #fff;
}

.services h3 {
    font-size: 36px;
    text-align: center;
    margin-bottom: 40px;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.service-card {
    background: #ecf0f1;
    padding: 20px;
    text-align: center;
    font-size: 20px;
    border-radius: 10px;
    transition: transform 0.3s;
}

.service-card:hover {
    transform: scale(1.05);
}

/* О нас */
.about {
    padding: 80px 0;
    background: #dfe4ea;
    text-align: center;
}

.about h3 {
    font-size: 36px;
    margin-bottom: 20px;
}

.about p {
    font-size: 18px;
    max-width: 800px;
    margin: 0 auto;
}

/* Контакты */
.contact {
    padding: 80px 0;
    background: #fff;
    text-align: center;
}

.contact h3 {
    font-size: 36px;
    margin-bottom: 40px;
}

form {
    display: flex;
    flex-direction: column;
    max-width: 500px;
    margin: 0 auto;
    gap: 15px;
}

input {
    padding: 15px;
    font-size: 16px;
    border: none;
    border-radius: 10px;
    background: #ecf0f1;
    box-shadow: inset 5px 5px 10px #d1d5d8, inset -5px -5px 10px #ffffff;
}

.submit-button {
    padding: 15px;
    font-size: 18px;
    background: #e74c3c;
    color: #fff;
    border: none;
    border-radius: 50px;
    cursor: pointer;
    transition: transform 0.3s;
}

.submit-button:hover {
    transform: translateY(-5px);
}

/* Футер */
footer {
    padding: 20px 0;
    background: #333;
    color: #fff;
    text-align: center;
}

/* Анимация */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

/* Адаптивность */
@media (max-width: 768px) {
    nav ul {
        float: none;
        text-align: center;
        margin-top: 20px;
    }

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

    .hero h2 {
        font-size: 32px;
    }

    .hero p {
        font-size: 18px;
    }
}