/* =============================================
   Sticky Scroll Section v2 — Frontend Styles
   ============================================= */

.sss-section {
    padding: 80px 40px;
    max-width: 1200px;
    margin: 0 auto;
}

.sss-inner {
    display: flex;
    gap: 60px;
    align-items: flex-start;
}

/* ── LEFT ── */
.sss-steps-col { flex: 1 1 50%; min-width: 0; }

.sss-section-title {
    font-size: 2rem;
    font-weight: 700;
    color: #111;
    margin: 0 0 40px;
    letter-spacing: -0.02em;
}

.sss-step {
    display: flex;
    gap: 20px;
    align-items: flex-start;
    padding-bottom: 44px;
}

.sss-step-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.sss-step-num {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #3bbfbf;
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
    position: relative;
    z-index: 1;
}

.sss-step.sss-step-active .sss-step-num {
    background: #0d9488;
    transform: scale(1.12);
    box-shadow: 0 0 0 5px rgba(13,148,136,.15);
}

.sss-step-line {
    width: 2px;
    flex: 1;
    min-height: 80px;
    background: #e0e0e0;
    margin-top: 6px;
    transition: background 0.4s;
}

.sss-step.sss-step-done .sss-step-line,
.sss-step.sss-step-active .sss-step-line {
    background: #0d9488;
}

.sss-step-content {
    padding-top: 6px;
    transition: opacity 0.35s;
}

.sss-step.sss-step-dim .sss-step-content { opacity: 0.35; }

.sss-step-label {
    display: block;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: .12em;
    text-transform: uppercase;
    color: #3bbfbf;
    margin-bottom: 6px;
}

.sss-step-heading {
    font-size: 1.35rem;
    font-weight: 700;
    color: #111;
    margin: 0 0 10px;
    letter-spacing: -0.01em;
    line-height: 1.3;
}

.sss-step-text {
    font-size: 0.95rem;
    line-height: 1.75;
    color: #555;
    margin: 0;
}

/* ── RIGHT ── */
.sss-image-col { flex: 1 1 45%; min-width: 0; }

.sss-sticky-wrap {
    position: sticky;
    top: 100px;
    border-radius: 16px;
    overflow: hidden;
    aspect-ratio: 4/3;
    background: #f0f0f0;
}

.sss-img-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.55s ease;
    pointer-events: none;
}

.sss-img-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.sss-img-slide.sss-img-active {
    opacity: 1;
    pointer-events: auto;
}

/* ── MOBILE ── */
@media (max-width: 768px) {
    .sss-section { padding: 50px 20px; }
    .sss-inner { flex-direction: column; gap: 0; }
    .sss-image-col { order: -1; margin-bottom: 36px; width: 100%; }
    .sss-sticky-wrap { position: relative; top: 0; aspect-ratio: 16/9; }
    .sss-step.sss-step-dim .sss-step-content { opacity: 1; }
}