.backup-hero {
    background: 
        linear-gradient(135deg, 
            rgba(12, 45, 72, 0.92) 0%, 
            rgba(14, 65, 102, 0.88) 25%, 
            rgba(14, 165, 233, 0.75) 50%, 
            rgba(14, 65, 102, 0.88) 75%, 
            rgba(12, 45, 72, 0.92) 100%),
        url('/static/images/backup/kv_bg.png') center/cover no-repeat;
    position: relative;
    overflow: hidden;
}

.backup-hero::before {
    background: 
        radial-gradient(ellipse at 15% 30%, rgba(14, 165, 233, 0.25) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 70%, rgba(16, 185, 129, 0.18) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(56, 189, 248, 0.12) 0%, transparent 60%);
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.backup-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(14, 165, 233, 0.15) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(16, 185, 129, 0.1) 0%, transparent 35%);
    pointer-events: none;
    animation: backup-hero-pulse 8s ease-in-out infinite alternate;
}

@keyframes backup-hero-pulse {
    0% { opacity: 0.6; }
    100% { opacity: 1; }
}

.backup-hero .hero-title {
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 50%, #f0f9ff 80%, #e0f2fe 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: none;
    font-size: clamp(2.25rem, 5.5vw, 3.75rem);
    filter: none;
    letter-spacing: -0.02em;
    line-height: 1.1;
    font-weight: 800;
}

.backup-hero .hero-desc {
    color: #ffffff;
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.7;
    font-weight: 600;
    text-shadow: none;
}

.backup-hero .hero-badge {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.4), rgba(16, 185, 129, 0.35));
    border: 1px solid rgba(14, 165, 233, 0.6);
    color: #ffffff;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    backdrop-filter: blur(8px);
    box-shadow: 0 4px 20px rgba(14, 165, 233, 0.3);
}

.backup-hero .hero-badge i {
    font-size: 1rem;
}

.backup-feature-icon {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.2), rgba(16, 185, 129, 0.15));
    box-shadow: 0 8px 32px rgba(14, 165, 233, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(14, 165, 233, 0.2);
}

.backup-cta {
    background: linear-gradient(135deg, #0369a1, #0ea5e9);
    box-shadow: 0 8px 32px rgba(14, 165, 233, 0.25);
}

.backup-shield {
    position: relative;
    width: 120px;
    height: 140px;
    margin: 0 auto;
}

.backup-shield svg {
    width: 100%;
    height: 100%;
}

.backup-timeline {
    position: relative;
    padding-left: 30px;
}

.backup-timeline::before {
    content: '';
    position: absolute;
    left: 8px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, #0ea5e9, #10b981);
}

.backup-timeline-item {
    position: relative;
    padding-bottom: 24px;
}

.backup-timeline-item::before {
    content: '';
    position: absolute;
    left: -26px;
    top: 4px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: #0ea5e9;
    border: 2px solid #0f172a;
}

.backup-timeline-item h4 {
    font-size: 1rem;
    font-weight: 600;
    color: #e2e8f0;
    margin-bottom: 4px;
}

.backup-timeline-item p {
    font-size: 0.875rem;
    color: #94a3b8;
}

[data-theme="backup"] .btn-hero-primary {
    background: linear-gradient(135deg, #0ea5e9, #0284c7);
    box-shadow: 0 8px 32px rgba(14, 165, 233, 0.3);
    color: #ffffff;
    font-weight: 700;
    transition: all 0.3s ease;
}

[data-theme="backup"] .btn-hero-primary:hover {
    background: linear-gradient(135deg, #38bdf8, #0ea5e9);
    box-shadow: 0 12px 40px rgba(14, 165, 233, 0.4);
    transform: translateY(-2px);
}

[data-theme="backup"] .btn-hero-secondary {
    background: rgba(14, 165, 233, 0.15);
    border: 1px solid rgba(14, 165, 233, 0.4);
    color: #ffffff;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
    font-weight: 600;
}

[data-theme="backup"] .btn-hero-secondary:hover {
    background: rgba(14, 165, 233, 0.25);
    border-color: rgba(14, 165, 233, 0.6);
    color: #ffffff;
}

[data-theme="backup"] .hero-particle {
    background: radial-gradient(circle, rgba(14, 165, 233, 0.6) 0%, transparent 70%);
}

[data-theme="backup"] .hero-diagonal-bg {
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.05) 0%, transparent 50%);
}

[data-theme="backup"] .diagonal-clock {
    background: linear-gradient(145deg, rgba(14, 65, 102, 0.6), rgba(12, 45, 72, 0.7));
    border: 1px solid rgba(14, 165, 233, 0.2);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.hero-visual-container {
    position: relative;
    width: 100%;
    height: 400px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.hero-visual-main {
    position: relative;
    z-index: 2;
    animation: hero-float 6s ease-in-out infinite;
}

.hero-visual-main img {
    max-width: 320px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 20px 40px rgba(0, 0, 0, 0.3));
    border-radius: 16px;
}

@keyframes hero-float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

.hero-floating-card {
    position: absolute;
    background: linear-gradient(135deg, rgba(14, 165, 233, 0.15), rgba(16, 185, 129, 0.1));
    border: 1px solid rgba(14, 165, 233, 0.25);
    border-radius: 12px;
    padding: 12px 18px;
    display: flex;
    align-items: center;
    gap: 10px;
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
    z-index: 3;
    transition: all 0.3s ease;
}

.hero-floating-card i {
    font-size: 1.25rem;
    color: #38bdf8;
}

.hero-floating-card span {
    font-size: 0.875rem;
    font-weight: 600;
    color: #e0f2fe;
    white-space: nowrap;
}

.hero-card-1 {
    top: 20px;
    left: 0;
    animation: float-card-1 5s ease-in-out infinite;
}

.hero-card-2 {
    top: 80px;
    right: 0;
    animation: float-card-2 6s ease-in-out infinite;
}

.hero-card-3 {
    bottom: 80px;
    left: 0;
    animation: float-card-3 5.5s ease-in-out infinite;
}

.hero-card-4 {
    bottom: 20px;
    right: 0;
    animation: float-card-4 6.5s ease-in-out infinite;
}

@keyframes float-card-1 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10px, -8px); }
}

@keyframes float-card-2 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-10px, -8px); }
}

@keyframes float-card-3 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(10px, 8px); }
}

@keyframes float-card-4 {
    0%, 100% { transform: translate(0, 0); }
    50% { transform: translate(-10px, 8px); }
}

.hero-data-flow {
    position: absolute;
    inset: 0;
    pointer-events: none;
    z-index: 1;
}

.data-particle {
    position: absolute;
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #38bdf8, #10b981);
    border-radius: 50%;
    opacity: 0;
    animation: data-flow 4s linear infinite;
}

.data-particle:nth-child(1) {
    left: 10%;
    animation-delay: 0s;
}

.data-particle:nth-child(2) {
    left: 30%;
    animation-delay: 0.8s;
}

.data-particle:nth-child(3) {
    left: 50%;
    animation-delay: 1.6s;
}

.data-particle:nth-child(4) {
    left: 70%;
    animation-delay: 2.4s;
}

.data-particle:nth-child(5) {
    left: 90%;
    animation-delay: 3.2s;
}

@keyframes data-flow {
    0% {
        top: 100%;
        opacity: 0;
        transform: scale(0.5);
    }
    10% {
        opacity: 0.8;
        transform: scale(1);
    }
    90% {
        opacity: 0.8;
        transform: scale(1);
    }
    100% {
        top: 0;
        opacity: 0;
        transform: scale(0.5);
    }
}

@media (max-width: 991.98px) {
    .hero-visual-container {
        height: 350px;
        margin-top: 40px;
    }
    
    .hero-visual-main img {
        max-width: 260px;
    }
    
    .hero-floating-card {
        padding: 10px 14px;
    }
    
    .hero-floating-card i {
        font-size: 1rem;
    }
    
    .hero-floating-card span {
        font-size: 0.75rem;
    }
}

@media (max-width: 575.98px) {
    .hero-visual-container {
        height: 300px;
    }
    
    .hero-visual-main img {
        max-width: 200px;
    }
    
    .hero-floating-card {
        padding: 8px 12px;
        gap: 8px;
    }
    
    .hero-card-1 { top: 10px; left: 0; }
    .hero-card-2 { top: 50px; right: 0; }
    .hero-card-3 { bottom: 50px; left: 0; }
    .hero-card-4 { bottom: 10px; right: 0; }
}