.caj-hero {
    background: 
        linear-gradient(135deg, 
            rgba(12, 25, 41, 0.92) 0%, 
            rgba(30, 58, 95, 0.88) 25%, 
            rgba(37, 99, 235, 0.75) 50%, 
            rgba(30, 58, 95, 0.88) 75%, 
            rgba(12, 25, 41, 0.92) 100%),
        url('/static/images/caj/kv_bg.png') center/cover no-repeat;
    position: relative;
    overflow: hidden;
}

.caj-hero::before {
    background: 
        radial-gradient(ellipse at 15% 30%, rgba(30, 58, 95, 0.3) 0%, transparent 55%),
        radial-gradient(ellipse at 85% 70%, rgba(37, 99, 235, 0.2) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 50%, rgba(107, 154, 196, 0.12) 0%, transparent 60%);
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.caj-hero::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(30, 58, 95, 0.2) 0%, transparent 40%),
        radial-gradient(circle at 80% 20%, rgba(37, 99, 235, 0.15) 0%, transparent 35%);
    pointer-events: none;
    animation: caj-hero-pulse 8s ease-in-out infinite alternate;
}

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

.caj-hero .hero-title {
    background: linear-gradient(135deg, #ffffff 0%, #ffffff 40%, #bae6fd 60%, #7dd3fc 80%, #38bdf8 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: 
        drop-shadow(0 0 20px rgba(255, 255, 255, 0.6)) 
        drop-shadow(0 0 40px rgba(125, 211, 252, 0.5)) 
        drop-shadow(0 0 60px rgba(56, 189, 248, 0.3))
        drop-shadow(0 4px 16px rgba(0, 0, 0, 0.7));
    letter-spacing: -0.02em;
    line-height: 1.1;
    font-weight: 800;
}

.caj-hero .hero-desc {
    color: #e0f2fe;
    font-size: clamp(1rem, 2vw, 1.25rem);
    line-height: 1.8;
    text-shadow: 
        0 0 20px rgba(125, 211, 252, 0.4),
        0 0 40px rgba(56, 189, 248, 0.3),
        0 2px 8px rgba(0, 0, 0, 0.6);
    opacity: 1;
    font-weight: 500;
    letter-spacing: 0.01em;
}

.caj-hero .hero-badge {
    background: linear-gradient(135deg, rgba(125, 211, 252, 0.35), rgba(56, 189, 248, 0.3));
    border: 2px solid rgba(125, 211, 252, 0.6);
    color: #ffffff;
    padding: 0.625rem 1.25rem;
    border-radius: 2rem;
    font-size: 0.9375rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.625rem;
    backdrop-filter: blur(16px);
    box-shadow: 
        0 0 20px rgba(125, 211, 252, 0.4), 
        0 0 40px rgba(56, 189, 248, 0.25),
        0 8px 24px rgba(14, 165, 233, 0.3);
    text-shadow: 0 1px 4px rgba(0, 0, 0, 0.5);
}

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

.caj-feature-icon {
    background: linear-gradient(135deg, rgba(30, 58, 95, 0.3), rgba(37, 99, 235, 0.15));
    box-shadow: 0 8px 32px rgba(30, 58, 95, 0.15), inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(30, 58, 95, 0.2);
}

.caj-cta {
    background: linear-gradient(135deg, #1e3a5f, #1d4ed8);
    box-shadow: 0 8px 32px rgba(30, 58, 95, 0.25);
}

.caj-academic-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(30, 58, 95, 0.2);
    border: 1px solid rgba(37, 99, 235, 0.2);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8125rem;
    color: #6b9ac4;
}

.caj-format-flow {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

.caj-format-box {
    background: rgba(30, 58, 95, 0.15);
    border: 1px solid rgba(37, 99, 235, 0.15);
    border-radius: 12px;
    padding: 20px 32px;
    text-align: center;
}

.caj-format-box .name {
    font-size: 1.25rem;
    font-weight: 700;
    color: #6b9ac4;
}

.caj-format-box .desc {
    font-size: 0.75rem;
    color: #94a3b8;
    margin-top: 4px;
}

.caj-format-arrow {
    color: #2563eb;
    font-size: 1.5rem;
}

[data-theme="caj"] .btn-hero-primary {
    background: linear-gradient(135deg, #1e3a5f, #1d4ed8);
    box-shadow: 0 8px 32px rgba(30, 58, 95, 0.3);
    color: #ffffff;
    font-weight: 600;
    transition: all 0.3s ease;
}

[data-theme="caj"] .btn-hero-primary:hover {
    background: linear-gradient(135deg, #2563eb, #1e3a5f);
    box-shadow: 0 12px 40px rgba(37, 99, 235, 0.4);
    transform: translateY(-2px);
}

[data-theme="caj"] .btn-hero-secondary {
    background: rgba(30, 58, 95, 0.15);
    border: 1px solid rgba(30, 58, 95, 0.4);
    color: #6b9ac4;
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
}

[data-theme="caj"] .btn-hero-secondary:hover {
    background: rgba(30, 58, 95, 0.25);
    border-color: rgba(37, 99, 235, 0.5);
}

[data-theme="caj"] .hero-particle {
    background: radial-gradient(circle, rgba(30, 58, 95, 0.6) 0%, transparent 70%);
}

[data-theme="caj"] .hero-grid-bg {
    background-image: 
        linear-gradient(rgba(30, 58, 95, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(30, 58, 95, 0.04) 1px, transparent 1px);
    background-size: 40px 40px;
}

[data-theme="caj"] .hero-orbit-ring {
    border: 1px solid rgba(30, 58, 95, 0.15);
}

[data-theme="caj"] .hero-float-frame {
    background: linear-gradient(145deg, rgba(30, 58, 95, 0.6), rgba(12, 25, 41, 0.7));
    border: 1px solid rgba(30, 58, 95, 0.2);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

[data-theme="caj"] .academic-card {
    background: rgba(30, 58, 95, 0.06);
    border: 1px solid rgba(30, 58, 95, 0.12);
}