/* =========================================
   ABOUT SECTION
   Scoped to .about-section-root
   Theme: Premium Dark Purple & Glass
========================================= */

.about-section-root {
    --about-bg-gradient: linear-gradient(180deg, #2a1b3d 0%, #442661 100%);
    --about-accent-purple: #9d4edd;
    --about-accent-light: #e0aaff;
    --about-text-primary: #ffffff;
    --about-text-secondary: #f3e8ff;
    /* Light lavender for readability */
    --about-glass-bg: rgba(255, 255, 255, 0.05);
    --about-glass-border: rgba(224, 170, 255, 0.2);
    --about-card-hover: rgba(157, 78, 221, 0.25);
}

.about-section {
    background: var(--about-bg-gradient);
    padding: 120px 0;
    position: relative;
    overflow: hidden;
    color: var(--about-text-primary);
}

/* Background Elements */
.about-bg-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    z-index: 0;
    opacity: 0.1;
    pointer-events: none;
}

.about-shape-1 {
    width: 600px;
    height: 600px;
    background: var(--about-accent-purple);
    top: -200px;
    right: -100px;
}

.about-shape-2 {
    width: 400px;
    height: 400px;
    background: #4f46e5;
    bottom: -100px;
    left: -100px;
}

.about-container {
    position: relative;
    z-index: 2;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* --- Header --- */
.about-header {
    margin-bottom: 40px;
    max-width: 100%;
}

.about-label {
    display: inline-block;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--about-accent-light);
    margin-bottom: 15px;
    font-weight: 600;
    border-bottom: 2px solid var(--about-accent-purple);
    padding-bottom: 5px;
}

.about-title {
    font-family: 'Inter', sans-serif;
    font-size: 3rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 20px;
}

.about-title span {
    color: var(--about-accent-purple);
}

.about-organizer {
    font-family: 'Inter', sans-serif;
    font-size: 1.75rem;
    font-weight: 600;
    line-height: 1.3;
    margin-bottom: 20px;
    color: var(--about-text-secondary);
}

.about-subtitle {
    font-size: 1.25rem;
    color: var(--about-text-secondary);
    font-weight: 300;
    max-width: 600px;
    line-height: 1.5;
}

/* --- Content Grid --- */
.about-content-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
    min-height: 600px;
}

/* Left Column: Narrative & CTA */
.about-text-col {
    display: flex;
    flex-direction: column;
    gap: 25px;
    justify-content: center;
}

.about-description {
    font-size: 1.15rem;
    line-height: 1.8;
    color: var(--about-text-secondary);
    text-align: justify;
}

.about-eligibility {
    margin-top: 10px;
}

.about-eligibility-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--about-accent-light);
    display: block;
}

.eligibility-list {
    list-style: none;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.eligibility-item {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 1rem;
    color: var(--about-text-secondary);
    line-height: 1.5;
}

.eligibility-item i {
    color: var(--about-accent-purple);
    font-size: 0.9rem;
    margin-top: 5px;
}

.about-cta-group {
    display: flex;
    gap: 20px;
    margin-top: 10px;
}

.btn-about-primary {
    padding: 14px 32px;
    background: var(--about-accent-purple);
    color: white;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.btn-about-primary:hover {
    background: #6b21a8;
    transform: translateY(-2px);
    box-shadow: 0 10px 20px rgba(126, 34, 206, 0.3);
    color: white;
}

.btn-about-secondary {
    padding: 14px 32px;
    background: transparent;
    color: white;
    font-weight: 600;
    border-radius: 8px;
    text-decoration: none;
    border: 1px solid var(--about-glass-border);
    transition: all 0.3s ease;
}

.btn-about-secondary:hover {
    background: var(--about-glass-bg);
    border-color: var(--about-accent-light);
    color: white;
}

/* Right Column: Interactive Placeholder */
.about-visual-col {
    display: flex;
    flex-direction: column;
    gap: 30px;
    height: 100%;
    justify-content: center;
    position: relative;
    width: 100%;
}

.about-highlights-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.about-highlight-card {
    background: var(--about-glass-bg);
    border: 1px solid var(--about-glass-border);
    padding: 25px;
    border-radius: 16px;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: all 0.3s ease;
}

.about-highlight-card:hover {
    background: var(--about-card-hover);
    border-color: var(--about-accent-purple);
    transform: translateY(-5px);
}

.highlight-icon {
    font-size: 1.8rem;
    color: var(--about-accent-light);
    margin-bottom: 15px;
}

.highlight-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: white;
}

.highlight-desc {
    font-size: 0.9rem;
    color: var(--about-text-secondary);
    line-height: 1.4;
}

/* Stats Row (Nested in visual col or separate) */
.about-stats-row {
    display: flex;
    justify-content: space-between;
    background: rgba(157, 78, 221, 0.12);
    padding: 25px;
    border-radius: 16px;
    border: 1px solid rgba(157, 78, 221, 0.3);
}

.about-stat {
    text-align: center;
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    color: var(--about-accent-light);
    line-height: 1;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.85rem;
    text-transform: uppercase;
    color: var(--about-text-secondary);
    letter-spacing: 1px;
}

/* --- Responsive --- */
@media (max-width: 992px) {
    .about-content-grid {
        grid-template-columns: 1fr;
        gap: 50px;
    }

    .about-visual-col {
        order: -1;
        /* Visuals first on tablet? Or Text first? Let's keep text first for narrative */
        order: 0;
    }
}

@media (max-width: 768px) {
    .about-section {
        padding: 80px 0;
    }

    .about-title {
        font-size: 2.2rem;
    }

    .about-highlights-grid {
        grid-template-columns: 1fr;
        /* Stack cards */
    }

    .about-cta-group {
        flex-direction: column;
        width: 100%;
    }

    .btn-about-primary,
    .btn-about-secondary {
        width: 100%;
        text-align: center;
    }

    .about-stats-row {
        flex-direction: column;
        gap: 20px;
        align-items: center;
    }
}

/* =========================================
   NEW: IMAGE PLACEHOLDER STACK (ABOUT RIGHT COL)
========================================= */
.about-image-stack {
    display: flex;
    flex-direction: column;
    gap: 20px;
    width: 100%;
    position: relative;
    /* Ensure it takes minimal height if empty, but images will fill it */
}

.about-img-slot {
    position: relative;
    border-radius: 16px;
    overflow: hidden;
    background: var(--about-glass-bg);
    border: 1px solid var(--about-glass-border);
    /* Glass Effect */
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    box-shadow: 0 10px 30px rgba(157, 78, 221, 0.15);
    transition: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
    min-height: 200px;
}

.about-img-slot img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.6s ease, filter 0.4s ease;
    filter: brightness(0.9);
}

/* Hover Interactions */
.about-img-slot:hover {
    border-color: var(--about-accent-purple);
    box-shadow: 0 15px 40px rgba(157, 78, 221, 0.25);
    transform: translateY(-5px);
    z-index: 2;
}

.about-img-slot:hover img {
    transform: scale(1.05);
    filter: brightness(1.05);
}

/* Optional Overlay Label */
.slot-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 20px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    opacity: 0;
    transform: translateY(10px);
    transition: all 0.3s ease;
    pointer-events: none;
}

.about-img-slot:hover .slot-overlay {
    opacity: 1;
    transform: translateY(0);
}

.slot-label {
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.5);
    display: block;
    border-left: 3px solid var(--about-accent-purple);
    padding-left: 10px;
}

/* Responsiveness adjustments for the stack */
@media (max-width: 992px) {
    .about-image-stack {
        flex-direction: row;
        overflow-x: auto;
        padding-bottom: 20px;
        scroll-snap-type: x mandatory;
        gap: 15px;
    }

    .about-img-slot {
        min-width: 260px;
        flex: 1;
        scroll-snap-align: center;
        margin-bottom: 0;
    }
}

@media (max-width: 768px) {
    .about-image-stack {
        flex-direction: column;
        padding-bottom: 0;
    }

    .about-img-slot {
        width: 100%;
        min-height: 220px;
        margin-bottom: 10px;
    }
}