/* Shared page layout, navigation and footer. */

#particleCanvas {
    position: fixed;
    top: 0; left: 0;
    width: 100vw; height: 100vh;
    z-index: -1;
    pointer-events: none;
}

header {
    background-color: rgba(5, 0, 0, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 51, 51, 0.08);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    height: 70px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo-zone a {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.menu-zone {
    display: flex;
    gap: 30px;
}

.menu-item {
    text-decoration: none;
    color: #aaaaaa;
    font-weight: 600;
    transition: color 0.3s, text-shadow 0.3s;
}

.menu-item:hover, .menu-item.active {
    color: #ff3333;
    text-shadow: 0 0 8px rgba(255, 51, 51, 0.5);
}

.hamburger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
}

.hamburger-bar {
    width: 24px;
    height: 2px;
    background-color: #ffffff;
    transition: all 0.3s;
}

.mobile-menu {
    position: fixed;
    top: 70px;
    left: 0;
    width: 100%;
    background: rgba(5, 0, 0, 0.98);
    border-bottom: 1px solid rgba(255, 51, 51, 0.1);
    display: none;
    flex-direction: column;
    z-index: 999;
}

.mobile-menu .menu-item {
    padding: 15px 20px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.02);
    color: #cccccc;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    padding: 50px 20px;
    position: relative;
    z-index: 1;
}

footer {
    background-color: #020000;
    border-top: 1px solid rgba(255, 51, 51, 0.12);
    padding: 60px 20px;
    margin-top: 120px;
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
}

.footer-info-side {
    max-width: 450px;
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 18px;
}

.footer-logo-img {
    height: 35px;
}

.footer-notice {
    color: #4a4a4a;
    font-size: 0.8rem;
    line-height: 1.7;
    margin-bottom: 20px;
    text-align: justify;
}

.footer-copyright {
    color: #333333;
    font-size: 0.8rem;
    margin: 0;
}

.footer-links-side {
    display: flex;
    gap: 70px;
}

.footer-link-group {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-link-title {
    color: #666666;
    font-size: 0.85rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    margin-bottom: 6px;
}

.footer-link {
    color: #444444;
    text-decoration: none;
    font-size: 0.85rem;
    transition: color 0.3s;
}

.footer-link:hover {
    color: #ff3333;
}