body {
    margin: 0;
    font-family: Arial, sans-serif;
    background: #000;
    color: #fff;
    line-height: 1.6;
    transition: background 0.3s, color 0.3s;
}
header {
    background: #111;
    padding: 20px 40px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
header a {
    color: #fff;
    text-decoration: none;
    margin: 0 10px;
}
header a:hover {
    color: #ff6347;
}
header div:first-child h2 {
    font-family: 'Montserrat', sans-serif;
    font-size: 24px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
}
.button {
    background: #ff6347;
    padding: 10px 20px;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
    color: #fff;
}
.button:hover {
    background: #ff4500;
}
.breadcrumb {
    margin: 20px 40px;
    color: #ccc;
    font-size: 14px;
}
.breadcrumb a {
    color: #ff6347;
    text-decoration: none;
}
.breadcrumb a:hover {
    text-decoration: underline;
}
.content {
    max-width: 800px;
    margin: 0 auto;
    padding: 20px 40px;
}
p {
    margin: 20px 0;
}
ul {
    margin: 20px 0;
    padding-left: 20px;
}
ul li {
    margin-bottom: 10px;
}
a {
    color: #ff6347;
    text-decoration: none;
}
a:hover {
    text-decoration: underline;
}

/* Темная тема */
body.dark {
    background: #fff;
    color: #000;
}
body.dark header {
    background: #eee;
}
body.dark header a {
    color: #000;
}
body.dark .breadcrumb {
    color: #666;
}
body.dark .breadcrumb a {
    color: #ff4500;
}
body.dark .button {
    background: #ff4500;
    color: #fff;
}
body.dark .button:hover {
    background: #ff6347;
}
.blocks-container {
display: flex;
gap: 20px;
padding: 20px 40px;
flex-wrap: wrap;
justify-content: center;
}

body.dark .clickable-block {
    background: #111;
    color: #fff;
}

.clickable-block {
background: #111;
color: #fff;
padding: 20px;
border-radius: 10px;
width: 300px;
text-align: left;
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
cursor: pointer;
transition: transform 0.3s, box-shadow 0.3s;
}

.clickable-block:hover {
transform: translateY(-5px);
box-shadow: 0 8px 16px rgba(0, 0, 0, 0.5);
background: #222;
}

.clickable-block h3 {
margin: 0;
font-size: 20px;
color: #ff6347;
}

.clickable-block p {
font-size: 16px;
margin: 10px 0;
}

.clickable-block span {
font-size: 14px;
color: #aaa;
text-decoration: underline;
}

.clickable-block span:hover {
color: #ff6347;
}