/* =============================================
   FEATURED COINS SECTION STYLES - FIXED
   ============================================= */
.featured-coins {
    padding: 6rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
}

.featured-coins::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--primary), transparent);
}

.featured-coins .coins-filter {
    display: flex;
    justify-content: center;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    gap: 15px;
}

.featured-coins .filter-btn {
    background: transparent;
    border: 2px solid var(--primary);
    color: var(--secondary);
    padding: 12px 25px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.4s ease;
    font-weight: 600;
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

.featured-coins .filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(212, 175, 55, 0.2), transparent);
    transition: left 0.5s ease;
}

.featured-coins .filter-btn:hover::before {
    left: 100%;
}

.featured-coins .filter-btn.active,
.featured-coins .filter-btn:hover {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.3);
}

.featured-coins .filter-btn i {
    margin-right: 8px;
}

/* =============================================
   COINS GRID SYSTEM - FIXED ALIGNMENT WITH EQUAL HEIGHTS
   ============================================= */
.featured-coins .coins-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
    perspective: 1000px;
    grid-auto-rows: 1fr;
}

.featured-coins .coins-grid:has(.coin-card:only-child) {
    grid-template-columns: minmax(320px, 400px);
    justify-content: center;
}

.featured-coins .coins-grid:has(.coin-card:nth-child(2):last-child) {
    grid-template-columns: repeat(2, minmax(320px, 1fr));
}

.featured-coins .coins-grid:has(.coin-card:nth-child(3):last-child) {
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
}

/* FIXED: Coin cards with bottom-aligned buttons and equal heights */
.featured-coins .coin-card {
    background: linear-gradient(145deg, #ffffff, #f8f9fa);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    border: 1px solid rgba(212, 175, 55, 0.1);
    max-width: 400px;
    margin: 0 auto;
    width: 100%;
    display: flex;
    flex-direction: column;
    min-height: 550px;
}

.featured-coins .coins-grid:has(.coin-card:only-child) .coin-card {
    max-width: 450px;
    transform: scale(1.05);
}

.featured-coins .coin-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-dark));
    transform: scaleX(0);
    transition: transform 0.4s ease;
}

.featured-coins .coin-card:hover::before {
    transform: scaleX(1);
}

.featured-coins .coin-card:hover {
    transform: translateY(-12px) rotateX(5deg);
    box-shadow: var(--shadow-hover);
}

.featured-coins .coins-grid:has(.coin-card:only-child) .coin-card:hover {
    transform: translateY(-12px) rotateX(5deg) scale(1.05);
}

.featured-coins .coin-image {
    height: 250px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(135deg, #f8f9fa, #e9ecef);
    flex-shrink: 0;
}

.featured-coins .coin-image img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 20px;
    transition: all 0.4s ease;
    background: white;
}

.featured-coins .coin-card:hover .coin-image img {
    transform: scale(1.05);
}

.featured-coins .featured-badge {
    position: absolute;
    top: 10px;
    right: 10px;
    background: linear-gradient(135deg, #ffd700, #ffa500);
    color: var(--secondary);
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    z-index: 2;
}

.featured-coins .out-of-stock-badge {
    position: absolute;
    top: 10px;
    left: 10px;
    background: linear-gradient(135deg, #dc3545, #c82333);
    color: white;
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.7rem;
    font-weight: 600;
    text-transform: uppercase;
    box-shadow: 0 2px 4px rgba(0,0,0,0.2);
    z-index: 2;
}

.featured-coins .coin-card.out-of-stock {
    opacity: 0.7;
    filter: grayscale(0.3);
}

.featured-coins .coin-card.out-of-stock .coin-actions button {
    background: var(--gray) !important;
    cursor: not-allowed;
}

/* FIXED: Coin details with flex layout for bottom-aligned buttons */
.featured-coins .coin-details {
    padding: 2rem;
    position: relative;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.featured-coins .coin-title {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    margin-bottom: 0.8rem;
    color: var(--secondary);
    font-weight: 700;
    line-height: 1.3;
    min-height: 2.6rem;
}

.featured-coins .coin-origin {
    display: inline-block;
    background: linear-gradient(135deg, var(--secondary), #34495e);
    color: white;
    padding: 6px 15px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    box-shadow: 0 4px 12px rgba(52, 73, 94, 0.3);
    align-self: flex-start;
}

.featured-coins .coin-price {
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 1.5rem;
    text-shadow: 0 2px 4px rgba(212, 175, 55, 0.2);
    flex-grow: 1;
}

/* FIXED: Bottom-aligned actions */
.featured-coins .coin-actions {
    display: flex;
    gap: 12px;
    justify-content: space-between;
    margin-top: auto;
}

.featured-coins .details-btn, 
.featured-coins .whatsapp-btn,
.featured-coins .add-to-cart-btn {
    padding: 12px 20px;
    border: none;
    border-radius: 12px;
    cursor: pointer;
    font-weight: 600;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    flex: 1;
    font-size: 0.95rem;
}

.featured-coins .add-to-cart-btn {
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: var(--secondary);
    box-shadow: 0 6px 15px rgba(212, 175, 55, 0.3);
}

.featured-coins .add-to-cart-btn:hover {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary));
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(212, 175, 55, 0.4);
}

.featured-coins .add-to-cart-btn.in-cart {
    background: #27ae60;
    color: white;
}

.featured-coins .add-to-cart-btn.in-cart:hover {
    background: #229954;
}

.featured-coins .details-btn {
    background: linear-gradient(135deg, var(--secondary), #34495e);
    color: white;
    box-shadow: 0 6px 15px rgba(52, 73, 94, 0.3);
}

.featured-coins .details-btn:hover {
    background: linear-gradient(135deg, #34495e, var(--secondary));
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(52, 73, 94, 0.4);
}

/* =============================================
   FEATURED COINS CAROUSEL STYLES - FIXED
   ============================================= */
.featured-carousel-container {
    position: relative;
    margin: 2rem 0;
    padding: 0 60px;
}

.featured-carousel-wrapper {
    overflow: hidden;
    border-radius: 20px;
    position: relative;
    width: 100%;
}

.featured-carousel {
    display: flex;
    transition: transform 0.6s ease-in-out;
    will-change: transform;
    padding: 10px 0;
}

/* Desktop: Show exactly 3 coins */
.featured-carousel .coin-card {
    flex: 0 0 33.333%;
    min-width: 33.333%;
    padding: 0 15px;
    box-sizing: border-box;
    transition: all 0.4s ease;
    opacity: 0.95;
}

.featured-carousel .coin-card .coin-image {
    height: 220px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.featured-carousel .coin-card .coin-image img {
    padding: 15px;
    max-height: 100%;
    max-width: 100%;
    object-fit: contain;
}

.featured-carousel .coin-card:hover {
    opacity: 1;
    transform: translateY(-8px);
    z-index: 2;
}

/* Mobile: Show 1 coin */
@media (max-width: 768px) {
    .featured-carousel .coin-card {
        flex: 0 0 100%;
        min-width: 100%;
        padding: 0 10px;
    }

    .featured-carousel-container {
        padding: 0 40px;
    }

    .featured-coins .coins-filter {
        flex-direction: column;
        align-items: center;
        gap: 10px;
    }

    .featured-coins .filter-btn {
        width: 220px;
    }
}

@media (max-width: 480px) {
    .featured-carousel-container {
        padding: 0 30px;
    }
}

/* =============================================
   CAROUSEL NAVIGATION BUTTONS
   ============================================= */
.carousel-nav-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: linear-gradient(135deg, var(--primary), var(--primary-dark));
    color: white;
    border: none;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.4);
    z-index: 10;
}

.carousel-nav-btn:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 8px 25px rgba(212, 175, 55, 0.6);
}

.carousel-nav-btn:active {
    transform: translateY(-50%) scale(0.95);
}

.carousel-prev {
    left: 10px;
}

.carousel-next {
    right: 10px;
}

.carousel-nav-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: translateY(-50%) scale(1);
}

@media (max-width: 480px) {
    .carousel-nav-btn {
        width: 40px;
        height: 40px;
        font-size: 1rem;
    }

    .carousel-prev {
        left: 5px;
    }

    .carousel-next {
        right: 5px;
    }
}

/* =============================================
   CAROUSEL INDICATORS
   ============================================= */
.carousel-indicators {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 2rem;
}

.carousel-indicator {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray);
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid transparent;
}

.carousel-indicator.active {
    background: var(--primary);
    transform: scale(1.2);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.5);
}

.carousel-indicator:hover {
    background: var(--primary-dark);
    transform: scale(1.1);
}

/* =============================================
   CAROUSEL PLAY/PAUSE CONTROL
   ============================================= */
.carousel-controls {
    display: flex;
    justify-content: center;
    margin-top: 1.5rem;
}

.carousel-play-pause {
    background: linear-gradient(135deg, var(--secondary), #34495e);
    color: white;
    border: none;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(52, 73, 94, 0.3);
}

.carousel-play-pause:hover {
    transform: scale(1.1);
    box-shadow: 0 5px 15px rgba(52, 73, 94, 0.4);
}

/* =============================================
   EMPTY STATE
   ============================================= */
.featured-empty-state {
    width: 100%;
    text-align: center;
    padding: 60px 40px;
    background: white;
    border-radius: 20px;
    box-shadow: var(--shadow);
    margin: 20px 0;
}

.featured-empty-state h3 {
    color: var(--secondary);
    margin: 20px 0 10px;
    font-family: var(--font-heading);
}

.featured-empty-state p {
    color: var(--gray);
    margin-bottom: 25px;
    font-size: 1.1rem;
}

@media (max-width: 480px) {
    .featured-empty-state {
        padding: 40px 20px;
    }
}

/* =============================================
   FEW COINS MODE (CENTERED)
   ============================================= */
.featured-carousel.few-coins {
    justify-content: center;
}

.featured-carousel.few-coins .coin-card {
    flex: 0 0 auto;
    min-width: 300px;
    max-width: 350px;
}

@media (max-width: 768px) {
    .featured-carousel.few-coins .coin-card {
        min-width: 280px;
        max-width: 320px;
    }
}

/* =============================================
   UTILITY CLASSES
   ============================================= */
.carousel-nav-btn.hidden,
.carousel-indicators.hidden,
.carousel-controls.hidden {
    display: none;
}

.featured-carousel.loading {
    opacity: 0.7;
    pointer-events: none;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 0.95;
        transform: translateY(0);
    }
}

.featured-carousel .coin-card {
    animation: fadeInUp 0.5s ease-out forwards;
}