* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #e4edf5 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    position: relative;
    overflow: hidden;
}

/* Enable scrolling only when needed on mobile devices */
@media (max-width: 768px) {
    body {
        overflow-y: auto;
        align-items: flex-start;
        padding: 10px;
    }
    
    .banner {
        margin: 20px 0;
    }
}

/* Фоновые элементы для декора */
.bg-element {
    position: absolute;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.7);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.bg-element-1 {
    width: 300px;
    height: 300px;
    top: -150px;
    left: -150px;
    background: rgba(230, 240, 250, 0.8);
}

.bg-element-2 {
    width: 200px;
    height: 200px;
    bottom: -100px;
    right: -100px;
    background: rgba(245, 250, 255, 0.9);
}

.bg-element-3 {
    width: 150px;
    height: 150px;
    top: 20%;
    right: 10%;
    background: rgba(220, 235, 245, 0.7);
}

.bg-element-4 {
    width: 100px;
    height: 100px;
    bottom: 30%;
    left: 10%;
    background: rgba(240, 248, 255, 0.8);
}

/* Геометрические линии на фоне */
.line {
    position: absolute;
    background: rgba(200, 220, 240, 0.2);
}

.line-1 {
    width: 100%;
    height: 1px;
    top: 30%;
    transform: rotate(15deg);
}

.line-2 {
    width: 100%;
    height: 1px;
    bottom: 40%;
    transform: rotate(-10deg);
}

.line-3 {
    width: 80%;
    height: 1px;
    top: 60%;
    left: -20%;
    transform: rotate(5deg);
}

/* Основной баннер */
.banner {
    background-color: white;
    border-radius: 12px;
    padding: 40px 50px;
    max-width: 600px;
    width: 100%;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    position: relative;
    z-index: 10;
    border: 1px solid rgba(230, 235, 240, 0.5);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.banner:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.banner:before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, #a8c6e8, #d4e4f7);
    border-radius: 12px 12px 0 0;
}

/* Логотип или иконка */
.logo {
    margin-bottom: 25px;
}

.logo-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #d4e4f7, #a8c6e8);
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 15px;
    color: #4a6fa5;
    font-size: 32px;
    font-weight: bold;
    box-shadow: 0 5px 15px rgba(168, 198, 232, 0.2);
}

.logo-text {
    font-size: 24px;
    color: #5a7ab0;
    letter-spacing: 1px;
    font-weight: 600;
}

/* Заголовок */
h1 {
    color: #4a6fa5;
    margin-bottom: 20px;
    font-size: 28px;
    font-weight: 600;
    line-height: 1.4;
}

/* Основной текст */
.main-text {
    color: #666;
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 30px;
}

/* Ссылка */
.link-container {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px dashed #e0e7f0;
}

.link-text {
    color: #777;
    font-size: 16px;
    margin-bottom: 10px;
}

.backup-link {
    display: inline-block;
    background: linear-gradient(135deg, #a8c6e8, #d4e4f7);
    color: #4a6fa5;
    text-decoration: none;
    padding: 12px 30px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 16px;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(168, 198, 232, 0.2);
    border: 1px solid rgba(168, 198, 232, 0.3);
}

.backup-link:hover {
    background: linear-gradient(135deg, #d4e4f7, #a8c6e8);
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(168, 198, 232, 0.3);
    color: #3a5a8a;
}

.backup-link:active {
    transform: translateY(0);
}

/* Контактная информация */
.contact-info {
    margin-top: 30px;
    color: #888;
    font-size: 14px;
    line-height: 1.5;
    padding: 15px;
    background-color: #f8fafd;
    border-radius: 8px;
    border: 1px solid #edf2f7;
}

/* Декоративные уголки */
.corner-decoration {
    position: absolute;
    width: 20px;
    height: 20px;
    border-color: #d4e4f7;
    border-style: solid;
}

.corner-top-left {
    top: 15px;
    left: 15px;
    border-width: 2px 0 0 2px;
    border-radius: 5px 0 0 0;
}

.corner-top-right {
    top: 15px;
    right: 15px;
    border-width: 2px 2px 0 0;
    border-radius: 0 5px 0 0;
}

.corner-bottom-left {
    bottom: 15px;
    left: 15px;
    border-width: 0 0 2px 2px;
    border-radius: 0 0 0 5px;
}

.corner-bottom-right {
    bottom: 15px;
    right: 15px;
    border-width: 0 2px 2px 0;
    border-radius: 0 0 5px 0;
}

.logo-image {
    width: 50px;
    height: 50px;
    object-fit: contain;
    filter: brightness(0) saturate(100%) invert(33%) sepia(30%) saturate(800%) hue-rotate(190deg) brightness(90%) contrast(90%);
}

/* Адаптивность */
@media (max-width: 768px) {
    .banner {
        padding: 30px 25px;
        max-width: 90%;
    }
    
    h1 {
        font-size: 24px;
    }
    
    .main-text {
        font-size: 16px;
    }
    
    .logo-text {
        font-size: 20px;
    }
    
    .line-1, .line-2, .line-3 {
        display: none;
    }
}

@media (max-width: 480px) {
    .banner {
        padding: 25px 20px;
    }
    
    h1 {
        font-size: 22px;
    }
    
    .backup-link {
        padding: 10px 25px;
        font-size: 15px;
    }
    
    .corner-decoration {
        width: 15px;
        height: 15px;
    }
}