/* ==========================================================================
   A Plus Learning Centre - Mobile Experience Redesign (mobile-redesign.css)
   ========================================================================== */

/* Responsive Grid Utilities (Desktop Base Styles) */
.grid-2col-responsive {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

.grid-4col-responsive {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.grid-3col-responsive {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.leadership-grid-responsive {
    display: grid;
    grid-template-columns: 0.8fr 1.2fr;
    gap: 4rem;
    align-items: center;
}

.about-began-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-bottom: 5rem;
}

/* Toppers Slider, Faculty Slider, and Reviews Carousel Desktop Base Styles */
.results-slider {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.topper-slide-card {
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(0, 70, 49, 0.08);
    text-align: center;
    padding: 0;
    display: flex;
    flex-direction: column;
    border-radius: var(--border-radius-md);
    background: var(--bg-white);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.topper-slide-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.topper-premium-badge {
    position: absolute;
    top: 15px;
    left: 15px;
    background: linear-gradient(135deg, var(--accent-yellow) 0%, #e6be3c 100%);
    color: var(--primary-green);
    padding: 0.4rem 1rem;
    border-radius: 30px;
    font-size: 0.8rem;
    font-weight: 800;
    z-index: 5;
    box-shadow: 0 4px 10px rgba(230, 190, 60, 0.3);
    border: 1.5px solid var(--bg-white);
}

.topper-year-badge {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: rgba(0, 70, 49, 0.8);
    backdrop-filter: blur(4px);
    color: var(--accent-yellow);
    padding: 0.3rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 700;
    z-index: 5;
}

.topper-photo-area {
    position: relative;
    width: 100%;
    padding-top: 85%;
    background-color: var(--bg-green-light);
    overflow: hidden;
}

.topper-photo-area svg,
.topper-photo-area img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.topper-details {
    padding: 1.5rem;
    background-color: var(--bg-white);
    flex-grow: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.topper-name {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-black);
    margin-bottom: 0.3rem;
    font-family: var(--font-heading);
}

.topper-score {
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--primary-green);
    margin-bottom: 0.2rem;
}

.topper-badge-institute {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

/* Faculty Slider Base Styles */
.faculty-slider {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.faculty-card {
    background: var(--bg-white);
    border: 1px solid rgba(0, 70, 49, 0.06);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.faculty-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

/* Reviews Carousel Base Styles */
.reviews-carousel {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-bottom: 2rem;
}

.review-slide-card {
    background: var(--bg-white);
    border: 1px solid rgba(0, 70, 49, 0.06);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    padding: 2rem 1.5rem;
}

.review-slide-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

/* Results Impact Section Base Styles (Desktop) */
.results-impact-wrap {
    background: linear-gradient(135deg, var(--primary-green) 0%, #002217 100%);
    color: var(--bg-white);
    border-radius: var(--border-radius-lg);
    padding: 4rem 3rem;
    margin: 3rem 0;
    text-align: center;
    position: relative;
    overflow: hidden;
    border: 1px solid rgba(255, 222, 89, 0.1);
    box-shadow: var(--shadow-lg);
}

.impact-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,222,89,0.08) 0%, transparent 60%);
    pointer-events: none;
}

.impact-stat-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 3rem;
}

.impact-stat-item {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: var(--border-radius-md);
    padding: 2rem 1.5rem;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: transform var(--transition-smooth);
}

.impact-stat-item:hover {
    transform: translateY(-3px);
}

.impact-num {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--accent-yellow);
    font-family: var(--font-heading);
    line-height: 1.2;
}

.impact-desc {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    margin-top: 0.5rem;
    font-weight: 600;
}

.mobile-sticky-bar {
    display: none;
}

/* Active overrides only on mobile viewports (< 768px) */
@media (max-width: 768px) {
    /* Responsive Grid Utilities (Mobile Overrides) */
    .grid-2col-responsive {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }

    .grid-4col-responsive {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }

    .grid-3col-responsive {
        grid-template-columns: 1fr !important;
        gap: 1.5rem !important;
    }

    .leadership-grid-responsive {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }

    .about-began-grid {
        grid-template-columns: 1fr !important;
        gap: 2.5rem !important;
        margin-bottom: 3rem !important;
    }
    /* 1. Global Page Adjustments */
    body {
        padding-bottom: 72px; /* Prevent bottom navigation bar from covering content */
    }

    .section-padding {
        padding-top: 3.5rem;
        padding-bottom: 3.5rem;
    }

    .section-title {
        font-size: 2.1rem;
        line-height: 1.3;
    }

    /* 2. Hero Section Mobile Optimization */
    .hero-sec {
        min-height: 100vh;
        display: flex;
        align-items: center;
        padding-top: 110px;
        padding-bottom: 40px;
        background: radial-gradient(circle at center, #003625 0%, #001f14 100%);
    }

    .hero-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero-content {
        order: 1;
    }

    .hero-title {
        font-size: 2.3rem !important;
        line-height: 1.2 !important;
        margin-bottom: 1rem;
    }

    .hero-desc {
        font-size: 0.95rem !important;
        line-height: 1.6;
        margin-bottom: 1.8rem;
        color: rgba(255, 255, 255, 0.85);
    }

    .hero-actions {
        flex-direction: column;
        gap: 0.8rem;
        margin-bottom: 2rem;
    }

    .hero-actions .btn {
        width: 100%;
        padding: 0.9rem 1.5rem;
    }

    .hero-badges-row {
        flex-direction: column;
        align-items: center;
        gap: 1.2rem;
        padding-top: 1.5rem;
    }

    .trust-badge-item {
        width: 100%;
        justify-content: flex-start;
        padding: 0.8rem 1.2rem;
        background: rgba(255, 255, 255, 0.05);
        border: 1px solid rgba(255, 255, 255, 0.1);
        border-radius: var(--border-radius-md);
        backdrop-filter: blur(8px);
        -webkit-backdrop-filter: blur(8px);
    }

    .hero-graphics-container {
        order: 2;
        margin-top: 0.5rem;
    }

    .illustration-svg {
        max-width: 280px !important;
    }

    /* Floating SVG icons enhancement */
    .floating-svg {
        opacity: 0.6 !important;
    }

    /* 3. Sleek Metrics Section */
    .metrics-section {
        margin-top: -30px;
        border-radius: var(--border-radius-md);
        box-shadow: var(--shadow-md);
        border: 1px solid rgba(0, 70, 49, 0.08);
    }

    .metrics-grid {
        grid-template-columns: repeat(2, 1fr) !important;
        gap: 1.5rem 1rem !important;
        padding: 2rem 1rem !important;
    }

    .metric-number {
        font-size: 2.2rem !important;
        margin-bottom: 0.2rem;
    }

    .metric-label {
        font-size: 0.78rem !important;
        letter-spacing: 0.5px;
    }

    /* 4. Horizontal Snap Sliders (Pillars, Courses, Faculty, Toppers) */
    .why-grid,
    .courses-grid,
    .results-slider,
    .faculty-slider {
        display: flex !important;
        flex-direction: row !important;
        gap: 1.25rem !important;
        overflow-x: auto !important;
        scroll-snap-type: x mandatory !important;
        scroll-behavior: smooth !important;
        -webkit-overflow-scrolling: touch !important;
        padding: 1.2rem 1.5rem !important;
        margin-left: -1.5rem !important;
        margin-right: -1.5rem !important;
    }

    /* Hide horizontal scrollbar */
    .why-grid::-webkit-scrollbar,
    .courses-grid::-webkit-scrollbar,
    .results-slider::-webkit-scrollbar,
    .faculty-slider::-webkit-scrollbar {
        display: none !important;
    }

    /* Slider items */
    .why-card,
    .course-card,
    .topper-slide-card,
    .faculty-card {
        flex: 0 0 82% !important;
        width: 82% !important;
        scroll-snap-align: center !important;
        margin-bottom: 0 !important;
        box-shadow: var(--shadow-md) !important;
        border-radius: var(--border-radius-md) !important;
        background: var(--bg-white) !important;
    }

    .why-card {
        padding: 2rem 1.5rem !important;
    }

    .why-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
        margin-bottom: 1.2rem;
    }

    /* Visual indicators for swipe */
    .slider-indicators {
        display: flex;
        justify-content: center;
        gap: 0.5rem;
        margin-top: 1.5rem;
    }

    .indicator-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background-color: rgba(0, 70, 49, 0.15);
        transition: width var(--transition-fast), background-color var(--transition-fast);
    }

    .indicator-dot.active {
        width: 20px;
        border-radius: 4px;
        background-color: var(--primary-green);
    }

    /* 5. Topper / Results Card Enhancements */
    .topper-slide-card {
        position: relative;
        overflow: hidden;
        border: 1px solid rgba(0, 70, 49, 0.08);
        text-align: center;
        padding: 0 !important;
        display: flex;
        flex-direction: column;
    }

    .topper-premium-badge {
        position: absolute;
        top: 15px;
        left: 15px;
        background: linear-gradient(135deg, var(--accent-yellow) 0%, #e6be3c 100%);
        color: var(--primary-green);
        padding: 0.4rem 1rem;
        border-radius: 30px;
        font-size: 0.8rem;
        font-weight: 800;
        z-index: 5;
        box-shadow: 0 4px 10px rgba(230, 190, 60, 0.3);
        border: 1.5px solid var(--bg-white);
    }

    .topper-year-badge {
        position: absolute;
        top: 15px;
        right: 15px;
        background-color: rgba(0, 70, 49, 0.8);
        backdrop-filter: blur(4px);
        color: var(--accent-yellow);
        padding: 0.3rem 0.75rem;
        border-radius: 20px;
        font-size: 0.75rem;
        font-weight: 700;
        z-index: 5;
    }

    .topper-photo-area {
        position: relative;
        width: 100%;
        padding-top: 85%;
        background-color: var(--bg-green-light);
        overflow: hidden;
    }

    .topper-photo-area svg,
    .topper-photo-area img {
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .topper-details {
        padding: 1.5rem;
        background-color: var(--bg-white);
        flex-grow: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

    .topper-name {
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--text-black);
        margin-bottom: 0.3rem;
    }

    .topper-score {
        font-size: 1.45rem;
        font-weight: 800;
        color: var(--primary-green);
        margin-bottom: 0.2rem;
    }

    .topper-badge-institute {
        font-size: 0.8rem;
        font-weight: 700;
        color: var(--text-muted);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }

    /* 6. Results Impact (AIR Metrics Highlight) */
    .results-impact-wrap {
        padding: 3rem 1.5rem;
        margin: 2rem 0;
    }

    .impact-stat-row {
        grid-template-columns: 1fr 1fr;
        gap: 1.5rem;
        margin-top: 2rem;
    }

    .impact-stat-item {
        padding: 1.5rem 1rem;
    }

    .impact-num {
        font-size: 2.2rem;
    }

    .impact-desc {
        font-size: 0.8rem;
        color: rgba(255, 255, 255, 0.7);
        margin-top: 0.3rem;
    }

    /* 7. Success Stories & Testimonials Redesign */
    .toppers-grid {
        display: flex !important;
        flex-direction: column !important;
        gap: 2rem !important;
    }

    .toppers-video-card {
        height: 200px !important;
    }

    .toppers-testimonial-card {
        padding: 2rem 1.5rem !important;
        border-radius: var(--border-radius-md) !important;
        box-shadow: var(--shadow-md) !important;
    }

    .toppers-testimonial-text {
        font-size: 0.95rem !important;
        line-height: 1.65 !important;
        margin-bottom: 1.5rem !important;
    }

    /* Unified Reviews Swipe Slider */
    .reviews-carousel {
        display: flex !important;
        gap: 1.25rem !important;
        overflow-x: auto !important;
        scroll-snap-type: x mandatory !important;
        scroll-behavior: smooth !important;
        -webkit-overflow-scrolling: touch !important;
        padding: 1rem 1.5rem !important;
        margin-left: -1.5rem !important;
        margin-right: -1.5rem !important;
    }

    .reviews-carousel::-webkit-scrollbar {
        display: none !important;
    }

    .review-slide-card {
        flex: 0 0 85% !important;
        width: 85% !important;
        scroll-snap-align: center !important;
        background-color: var(--bg-white);
        border: 1px solid rgba(0, 70, 49, 0.06);
        border-radius: var(--border-radius-md);
        padding: 2rem 1.5rem;
        box-shadow: var(--shadow-sm);
    }

    /* 8. FAQ Accordion Mobile Tuning */
    .faq-question {
        padding: 1.2rem 1rem !important;
        font-size: 0.95rem !important;
    }

    .faq-answer {
        padding: 0 1rem 1.2rem 1rem !important;
        font-size: 0.88rem !important;
    }

    /* 9. Premium Micro Interactions & Ripple */
    .btn, .why-card, .course-card, .topper-slide-card {
        -webkit-tap-highlight-color: transparent;
    }

    .ripple-effect {
        position: absolute;
        border-radius: 50%;
        background-color: rgba(255, 255, 255, 0.4);
        transform: scale(0);
        animation: ripple 0.6s linear;
        pointer-events: none;
    }

    @keyframes ripple {
        to {
            transform: scale(4);
            opacity: 0;
        }
    }

    /* 10. Sticky Bottom Mobile Quick Actions Bar */
    .mobile-sticky-bar {
        position: fixed;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 68px;
        background: rgba(0, 70, 49, 0.95);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        border-top: 1px solid rgba(255, 222, 89, 0.2);
        display: flex;
        justify-content: space-between;
        align-items: center;
        z-index: 999;
        padding: 0 1.25rem;
        box-shadow: 0 -8px 30px rgba(0, 70, 49, 0.25);
        transform: translateY(100%);
        transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1);
    }

    .mobile-sticky-bar.active {
        transform: translateY(0);
    }

    .sticky-action-btn {
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        color: var(--bg-white);
        font-size: 0.72rem;
        font-weight: 700;
        gap: 3px;
        text-decoration: none;
        transition: transform 0.2s ease;
    }

    .sticky-action-btn:active {
        transform: scale(0.92);
    }

    .sticky-action-btn i {
        font-size: 1.35rem;
    }

    .sticky-action-btn.whatsapp i {
        color: #25D366;
    }

    .sticky-action-btn.call i {
        color: var(--accent-yellow);
    }

    .sticky-cta {
        background-color: var(--accent-yellow);
        color: var(--primary-green);
        padding: 0.65rem 1.2rem;
        border-radius: 50px;
        font-weight: 800;
        font-size: 0.82rem;
        border: none;
        display: flex;
        align-items: center;
        gap: 6px;
        box-shadow: 0 4px 10px rgba(255, 222, 89, 0.3);
        text-transform: uppercase;
        letter-spacing: 0.5px;
    }
}