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

body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    line-height: 1.6;
}

/* Header */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem;
    background: linear-gradient(90deg, #330000, #660000);
    box-shadow: 0 2px 5px rgba(255, 0, 0, 0.4);
}

.logo img {
    max-width: 100px;
    height: auto;
}

.btn {
    padding: 0.7rem 1.5rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    text-decoration: none;
    color: #fff;
    font-weight: bold;
    transition: background-color 0.3s ease;
}

.btn-register {
    background-color: #b71c1c; /* темно-красный */
}

.btn-register:hover {
    background-color: #ff3b3b; /* ярко-красный */
}

.hero {
    text-align: center;
    padding: 2rem;
    background: linear-gradient(135deg, #440000, #770000);
    border-radius: 12px;
    box-shadow: 0 0 15px #ff2b2b88;
    margin-top: 2rem;    /* Отступ сверху */
    margin-bottom: 2rem; /* Отступ снизу */
}

}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    color: #ff4d4d;
    text-shadow: 0 0 8px #ff0000cc;
}

.hero img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
    box-shadow: 0 0 15px #ff0000cc;
}

/* Table Section */
.table-section {
    padding: 2rem;
    background-color: #220000;
    border-radius: 10px;
    box-shadow: 0 0 15px #aa000055;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 1rem;
}

th, td {
    padding: 0.8rem;
    text-align: left;
    border-bottom: 1px solid #440000;
}

th {
    background-color: #550000;
    color: #ff9999;
}

/* Footer */
.footer {
    text-align: center;
    padding: 1rem;
    background: linear-gradient(90deg, #330000, #660000);
    margin-top: 2rem;
    color: #ff6666;
    box-shadow: 0 -2px 5px rgba(255, 0, 0, 0.4);
}

/* Back to Top Button */
#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    display: none;
    background-color: #b71c1c;
    padding: 0.5rem 1rem;
    border-radius: 5px;
    font-size: 1.2rem;
    cursor: pointer;
    color: #fff;
    box-shadow: 0 0 8px #ff0000cc;
}

#back-to-top:hover {
    background-color: #ff3b3b;
}