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

body {
    background: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-main);
    min-height: 100vh;
    line-height: 1.7;
}

a {
    color: inherit;
    text-decoration: none;
}

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;

    height: 70px;
    background: var(--bg-color);
    border-bottom: 1px solid var(--border-color);
    display: flex;

    justify-content: space-between;
    align-items: center;
    padding: 0 40px;
    z-index: 1000;
}

.site-title {
    font-weight: normal;
    letter-spacing: 0.05em;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    font-size: 0.95rem;
}

.container {
    max-width: var(--content-width);
    margin: 0 auto;
    padding: 120px 40px 60px;
}

.section-title {
    margin-bottom: 40px;
    font-size: 2rem;
    font-weight: normal;
}

img {
    display: block;
    max-width: 100%;
}

@media (max-width: 900px) {

    .site-header {
        padding: 0 20px;
    }

    .container {
        padding: 100px 20px 40px;
    }

}