/* Reset & Base */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, sans-serif;
    background-color: #f7f7f7;
}

/* Меню */
.menu {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(68, 68, 68, 0.7);
    transition: background-color 0.3s ease;
}

.menu.scrolled {
    background-color: #3679c8;
}

.menu__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.menu__logo {
    color: #fff;
    font-size: 24px;
    font-weight: bold;
    text-decoration: none;
}

.menu__list {
    display: flex;
    list-style: none;
    gap: 30px;
}

.menu__list a {
    color: #fff;
    text-decoration: none;
    font-size: 16px;
    transition: opacity 0.3s;
}

.menu__list a:hover {
    opacity: 0.8;
}

/* Секции */
.section {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

.section__content {
    text-align: center;
    padding: 20px;
    z-index: 1;
}

/* Hero секция */
.section--hero {
    background-image: url('img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.section--hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(247, 247, 247, 0.6);
}

.section--hero h1 {
    color: #333;
    font-size: 48px;
}

/* About секция */
.section--about {
    background-color: #f7f7f7;
}

.section--about h2 {
    color: #333;
    font-size: 36px;
}

/* UTP секция */
.section--utp {
    background-image: url('img/advantages.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.section--utp::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(247, 247, 247, 0.6);
}

.section--utp h2 {
    color: #333;
    font-size: 36px;
}

/* Contacts секция */
.section--contacts {
    background-color: #f7f7f7;
}

.section--contacts h2 {
    color: #333;
    font-size: 36px;
}

/* City секция */
.section--city {
    height: 150px;
}

.section--city canvas {
    display: block;
    width: 100%;
    height: 100%;
}

/* Footer секция */
.section--footer {
    background-color: #444444;
    padding: 40px 20px;
}

.section--footer p {
    color: #fff;
    font-size: 16px;
    margin-bottom: 10px;
}

.section--footer a {
    color: #fff;
}