/* ==========================================================================
   DALFA EXPO - STICKY SCROLL SECTION (4 PINNED SLIDES)
   ========================================================================== */

/* Outer Scroll Container - Must NOT have overflow: hidden on the vertical axis */
.sticky-scroll-wrapper {
    position: relative;
    width: 100%;
    height: 400vh; /* 4 slides x 100vh scroll depth */
}

/* Sticky Screen Viewport Frame */
.sticky-pinned-frame {
    position: sticky;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    overflow: hidden; /* Contains slide background transitions without breaking outer sticky parent */
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

/* Slide Panels Layering */
.sticky-slide-item {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
    transform: scale(0.96);
}

.sticky-slide-item.is-active {
    opacity: 1;
    visibility: visible;
    transform: scale(1);
}

/* Background Image & Overlay */
.sticky-slide-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.sticky-slide-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(17, 20, 26, 0.4) 0%, rgba(17, 20, 26, 0.85) 100%);
    z-index: 2;
}

/* Slide Content Card */
.sticky-slide-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    padding: 0 24px;
    text-align: center;
    color: #FFFFFF;
}

.sticky-slide-kicker {
    font-family: var(--font-body);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--brand-red, #E6282B);
    margin-bottom: 12px;
}

.sticky-slide-title {
    font-family: var(--font-display) !important;
    font-size: clamp(2rem, 5vw, 3.8rem);
    font-weight: 700;
    line-height: 1.15;
    margin-bottom: 16px;
    color: #FFFFFF;
}

.sticky-slide-desc {
    font-family: var(--font-body);
    font-size: clamp(14px, 2vw, 18px);
    line-height: 1.6;
    color: rgba(255, 255, 255, 0.85);
    max-width: 650px;
    margin: 0 auto;
}

/* Slide Indicator Dots */
.sticky-indicators {
    position: absolute;
    right: 32px;
    top: 50%;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 12px;
    z-index: 4;
}

.sticky-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.3);
    border: none;
    padding: 0;
    cursor: pointer;
    transition: all 0.3s ease;
}

.sticky-dot.is-active {
    background: var(--brand-red, #E6282B);
    transform: scale(1.4);
}