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

body {
    width: 100%;
    min-height: 100vh;
    font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    overflow-x: hidden;
    position: relative;
}

.page-bg {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    pointer-events: none;
    opacity: 0.5;
    transition: opacity 3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.overlay {
    position: fixed;
    top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(245, 245, 245, 0.9);
    z-index: 2;
    pointer-events: none;
    transition: background 3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.content-wrapper {
    position: relative;
    z-index: 3;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 20px;
    text-align: center;
}

.logo-block {
    margin-bottom: 40px;
}

.logo-block__content {
    display: flex;
    justify-content: center;
    width: 260px;
    height: 260px;
    padding: 83px 20px;
    border-radius: 50%;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    background: rgba(255, 255, 255, 0.95);
    font-size: 80px;
    font-weight: 700;
    color: #444;
    line-height: 1;
    transition: opacity 3s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: pointer;

}

.logo-block__image {
    width: 260px;
    height: 260px;
    object-fit: cover;
    border-radius: 50%;
    display: block;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    background: rgba(255, 255, 255, 0.95);
    padding: 12px;
    transition: opacity 3s cubic-bezier(0.25, 0.8, 0.25, 1);
    cursor: pointer;
}

/* Ссылка по умолчанию — скрыта и неактивна */
.logo-block__link {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    opacity: 0;
    visibility: hidden;
    pointer-events: none; /* Чтобы не мешала, пока скрыта */
    text-decoration: none;
    color: #444;
    font-weight: 600;
    padding: 10px 20px;
    transition: all 4s cubic-bezier(0.25, 0.8, 0.25, 1);
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(0,0,0,0.1);
    border-radius: 30px;
    font-size: 0.9rem;
}

/* Ссылка при наведении на .logo-block — появляется */
.logo-block:hover .logo-block__link {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    transform: translate(-50%, -50%) scale(1.05);
}
/* Стили для видео-блока (вместо круга) */
.video-wrapper {
    width: 260px;
    height: 260px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.25);
    background: rgba(0, 0, 0, 0.1);
    position: relative;
}

.video-wrapper video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.buttons-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
    gap: 14px;
    max-width: 960px;
    width: 100%;
    margin-bottom: 60px;
}

.btn {
    background: #fff;
    color: #333;
    text-decoration: none;
    padding: 14px 16px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-weight: 500;
    transition: all 0.2s ease;
    box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

.btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.15);
    border-color: #bbb;
    background: #fafafa;
}

.admin-link {
    position: absolute;
    bottom: 24px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(255,255,255,0.9);
    backdrop-filter: blur(6px);
    border: 1px solid rgba(0,0,0,0.1);
    padding: 10px 24px;
    border-radius: 30px;
    text-decoration: none;
    color: #444;
    font-size: 0.9rem;
    font-weight: 600;
    transition: all 0.2s;
}

.admin-link:hover {
    background: #fff;
    box-shadow: 0 6px 18px rgba(0,0,0,0.15);
}

@media (max-width: 480px) {
    .logo-block__image, .logo-block__content, .video-wrapper { width: 220px; height: 220px; }
    .buttons-grid { grid-template-columns: repeat(auto-fill, minmax(100px, 1fr)); gap: 10px; }
}