/* Dark Mode Overrides */
body.dark-mode .scroll-stack-section {
    background-color: #000000;
}

body.dark-mode .scroll-stack-title {
    color: #ffffff;
}

body.dark-mode .scroll-stack-item {
    background-color: #111111;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 
        0 -20px 40px rgba(0, 0, 0, 0.6),
        0 0 100px rgba(234, 88, 12, 0.08);
}

body.dark-mode .card-desc {
    color: #9CA3AF;
}

body.dark-mode .card-index {
    color: #64748B;
}




.scroll-stack-section {
    padding: 100px 20px;
    background-color: #ffffff;
}

.scroll-stack-container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}

.scroll-stack-header {
    margin-bottom: 60px;
    text-align: left;
}

.scroll-stack-subtitle {
    color: #EA580C;
    font-weight: 600;
    font-size: 1rem;
    display: block;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.scroll-stack-title {
    font-family: 'Satoshi', sans-serif;
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    color: #111;
    line-height: 1.1;
    margin: 0;
}

.scroll-stack {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0; /* Cards will stack */
}

.scroll-stack-item {
    position: sticky;
    top: 100px;
    width: 100%;
    min-height: 500px;
    background-color: #0c0c0c;
    color: #ffffff;
    border-radius: 40px;
    padding: 80px;
    margin-bottom: 50px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    box-shadow: 
        0 -20px 40px rgba(0, 0, 0, 0.4),
        0 0 100px rgba(234, 88, 12, 0.05); /* Subtle orange glow */
    transform-origin: top center;
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-sizing: border-box;
    overflow: hidden;
}

.scroll-stack-item::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, rgba(234, 88, 12, 0.03) 0%, transparent 70%);
    pointer-events: none;
}

.card-content {
    max-width: 700px;
    position: relative;
    z-index: 2;
}

.card-icon {
    font-size: 4rem;
    background: linear-gradient(135deg, #EA580C 0%, #FB923C 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 40px;
    display: inline-block;
    filter: drop-shadow(0 0 10px rgba(234, 88, 12, 0.3));
}

.card-title {
    font-family: 'Satoshi', sans-serif;
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 20px;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.card-desc {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    color: #94A3B8;
    line-height: 1.6;
    max-width: 90%;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.card-tag {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: #EA580C;
    font-weight: 700;
    background: rgba(234, 88, 12, 0.1);
    padding: 8px 16px;
    border-radius: 50px;
}

.card-index {
    font-family: 'Satoshi', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    color: #334155;
}

/* Responsiveness */
@media (max-width: 1024px) {
    .scroll-stack-item {
        padding: 60px;
        min-height: 450px;
    }
}

@media (max-width: 768px) {
    .scroll-stack-section {
        padding: 60px 15px;
    }

    .scroll-stack-item {
        padding: 40px 25px;
        min-height: 420px;
        top: 80px;
        border-radius: 30px;
    }
    
    .card-icon {
        font-size: 3rem;
        margin-bottom: 30px;
    }

    .card-title {
        font-size: 1.75rem;
    }

    .card-desc {
        font-size: 1.1rem;
        max-width: 100%;
    }

    .card-footer {
        margin-top: 40px;
    }
}