/* ===== style 4 ===== */
.style-4 {
    display: flex;
    max-width: 1200px;
    margin: auto;
    padding: 100px 0;
    gap: 80px;
}

/* ===== LEFT (STICKY TITLE) ===== */
.style-4 .left {
    position: sticky;
    top: 100px;
    height: fit-content;
    flex: 1;
}

.style-4 .left h2 {
    font-size: 48px;
    line-height: 1.2;
    margin: 0;
}

.style-4 .left p {
    margin-top: 20px;
    color: #94a3b8;
}

/* ===== RIGHT (STEPS) ===== */
.style-4 .right {
    flex: 2;
}

/* step */
.style-4 .step {
    margin-bottom: 30px;
    opacity: 0;
    transform: translateY(50px);
    animation: fadeUp 0.8s ease forwards;
}

/* delay */
.style-4 .step:nth-child(1) {
    animation-delay: 0.3s;
}
.style-4 .step:nth-child(2) {
    animation-delay: 0.6s;
}
.style-4 .step:nth-child(3) {
    animation-delay: 0.9s;
}
.style-4 .step:nth-child(4) {
    animation-delay: 1.2s;
}

@keyframes fadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* number */
.style-4 .num {
    font-size: 14px;
    color: #64748b;
    margin-bottom: 10px;
}

/* title */
.style-4 .title {
    font-size: 28px;
    font-weight: 600;
}

/* desc */
.style-4 .desc {
    margin-top: 10px;
    color: #94a3b8;
    max-width: 400px;
}

/* big ghost number */
.style-4 .ghost {
    font-size: 120px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.05);
    position: absolute;
    right: 0;
    transform: translateY(-50%);
}

/* container relative */
.style-4 .step {
    position: relative;
}

/* hover */
.style-4 .step:hover .title {
    color: #ff6a00;
}

/* responsive */
@media (max-width: 900px) {
    .style-4 {
        flex-direction: column;
    }
    .style-4 .left {
        position: static;
    }
}