/* ========================================
   Card Stack Parallax Slider
   Modern 3D layered cards effect
   ======================================== */

/* Section Container */
.slider-cards-section {
    opacity: 0.95;
    width: 100%;
    padding: 80px 0;
    overflow: hidden;
    background: linear-gradient(160deg,
            rgba(8, 12, 20, 1) 0%,
            rgba(15, 25, 40, 1) 40%,
            rgba(10, 18, 30, 1) 100%);
    position: relative;
}

.slider-cards-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background:
        radial-gradient(circle at 30% 20%, rgba(0, 188, 212, 0.06) 0%, transparent 40%),
        radial-gradient(circle at 70% 80%, rgba(0, 150, 200, 0.04) 0%, transparent 40%);
    pointer-events: none;
}

/* Animated Grid Background */
.slider-cards-section::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 188, 212, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 188, 212, 0.03) 1px, transparent 1px);
    background-size: 50px 50px;
    opacity: 0.5;
    pointer-events: none;
}

/* Header */
.slider-cards-header {
    text-align: center;
    margin-bottom: 60px;
    position: relative;
    z-index: 2;
    padding: 0 20px;
}

.slider-cards-header h2 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    color: #ffffff;
    margin-bottom: 16px;
    letter-spacing: -0.03em;
}

.slider-cards-header h2 span {
    background: linear-gradient(135deg, #00e5ff 0%, #00bcd4 50%, #26c6da 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    animation: gradientShift 4s ease infinite;
}

@keyframes gradientShift {

    0%,
    100% {
        filter: hue-rotate(0deg);
    }

    50% {
        filter: hue-rotate(15deg);
    }
}

.slider-cards-header p {
    font-size: 1.1rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 550px;
    margin: 0 auto;
    line-height: 1.7;
}

/* Slider Wrapper */
.slider-cards-wrapper {
    position: relative;
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 80px;
    z-index: 10;
}

/* Card Container */
.slider-cards-container {
    position: relative;
    width: 100%;
    height: 520px;
    perspective: 1500px;
}

/* Card Stack */
.slider-cards-stack {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Individual Cards */
.slider-card {
    position: absolute;
    width: 340px;
    height: 450px;
    border-radius: 28px;
    overflow: hidden;
    cursor: pointer;
    transition: all 0.7s cubic-bezier(0.23, 1, 0.32, 1);
    transform-style: preserve-3d;
    backface-visibility: hidden;
}

.slider-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.5s ease;
}

/* Card States */
.slider-card.active {
    z-index: 20;
    transform: translateX(0) translateZ(100px) scale(1.05);
    box-shadow:
        0 40px 80px rgba(0, 0, 0, 0.5),
        0 0 0 1px rgba(255, 255, 255, 0.1),
        0 0 60px rgba(0, 188, 212, 0.2);
}

.slider-card.active:hover img {
    transform: scale(1.08);
}

.slider-card.prev {
    z-index: 15;
    transform: translateX(-320px) translateZ(0px) rotateY(20deg) scale(0.9);
    opacity: 0.7;
    filter: brightness(0.7);
}

.slider-card.next {
    z-index: 15;
    transform: translateX(320px) translateZ(0px) rotateY(-20deg) scale(0.9);
    opacity: 0.7;
    filter: brightness(0.7);
}

.slider-card.far-prev {
    z-index: 10;
    transform: translateX(-550px) translateZ(-100px) rotateY(30deg) scale(0.75);
    opacity: 0.4;
    filter: brightness(0.5) blur(2px);
}

.slider-card.far-next {
    z-index: 10;
    transform: translateX(550px) translateZ(-100px) rotateY(-30deg) scale(0.75);
    opacity: 0.4;
    filter: brightness(0.5) blur(2px);
}

.slider-card.hidden {
    z-index: 0;
    opacity: 0;
    transform: translateX(0) translateZ(-200px) scale(0.5);
    pointer-events: none;
}

/* Card Overlay */
.slider-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg,
            transparent 0%,
            transparent 40%,
            rgba(0, 0, 0, 0.8) 100%);
    z-index: 1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.slider-card.active::before {
    opacity: 1;
}

/* Card Border Glow Effect */
.slider-card::after {
    content: '';
    position: absolute;
    inset: -2px;
    border-radius: 30px;
    background: linear-gradient(135deg,
            rgba(0, 229, 255, 0.3) 0%,
            transparent 50%,
            rgba(0, 188, 212, 0.3) 100%);
    z-index: -1;
    opacity: 0;
    transition: opacity 0.4s ease;
}

.slider-card.active::after {
    opacity: 1;
}

/* Card Content */
.card-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    z-index: 2;
    transform: translateY(100%);
    transition: transform 0.5s ease;
}

.slider-card.active .card-content {
    transform: translateY(0);
}

.card-content h3 {
    font-size: 1.3rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.card-content p {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.85);
    line-height: 1.5;
}

/* Navigation */
.slider-cards-nav {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, rgba(0, 188, 212, 0.15) 0%, rgba(0, 150, 180, 0.1) 100%);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(0, 188, 212, 0.25);
    color: #00e5ff;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.4s ease;
    z-index: 30;
}

.slider-cards-nav:hover {
    background: linear-gradient(135deg, rgba(0, 188, 212, 0.3) 0%, rgba(0, 150, 180, 0.2) 100%);
    border-color: rgba(0, 229, 255, 0.5);
    transform: translateY(-50%) scale(1.1);
    box-shadow:
        0 0 40px rgba(0, 188, 212, 0.3),
        inset 0 0 20px rgba(0, 229, 255, 0.1);
}

.slider-cards-nav.prev {
    left: 0;
}

.slider-cards-nav.next {
    right: 0;
}

.slider-cards-nav svg {
    width: 28px;
    height: 28px;
    stroke: currentColor;
    stroke-width: 2.5;
    fill: none;
    transition: transform 0.3s ease;
}

.slider-cards-nav:hover svg {
    transform: scale(1.1);
}

/* Thumbnail Navigation */
.slider-cards-thumbs {
    display: flex;
    justify-content: center;
    gap: 12px;
    margin-top: 50px;
    position: relative;
    z-index: 5;
}

.thumb-item {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    overflow: hidden;
    cursor: pointer;
    border: 2px solid transparent;
    opacity: 0.5;
    transition: all 0.4s ease;
    transform: scale(0.9);
}

.thumb-item:hover {
    opacity: 0.8;
    transform: scale(1);
}

.thumb-item.active {
    opacity: 1;
    border-color: #00e5ff;
    transform: scale(1);
    box-shadow: 0 0 20px rgba(0, 188, 212, 0.4);
}

.thumb-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Counter */
.slider-cards-counter {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.75);
    z-index: 5;
}

.slider-cards-counter .current {
    font-size: 1.5rem;
    font-weight: 700;
    color: #00e5ff;
}

.slider-cards-counter .divider {
    width: 30px;
    height: 1px;
    background: rgba(255, 255, 255, 0.3);
    margin: 0 5px;
}

/* ========================================
   Responsive Styles
   ======================================== */

@media (max-width: 1200px) {
    .slider-cards-wrapper {
        padding: 0 60px;
    }

    .slider-card {
        width: 300px;
        height: 400px;
    }

    .slider-card.prev {
        transform: translateX(-280px) translateZ(0px) rotateY(20deg) scale(0.88);
    }

    .slider-card.next {
        transform: translateX(280px) translateZ(0px) rotateY(-20deg) scale(0.88);
    }

    .slider-card.far-prev {
        transform: translateX(-480px) translateZ(-100px) rotateY(30deg) scale(0.72);
    }

    .slider-card.far-next {
        transform: translateX(480px) translateZ(-100px) rotateY(-30deg) scale(0.72);
    }
}

@media (max-width: 992px) {
    .slider-cards-section {
        padding: 60px 0;
    }

    .slider-cards-container {
        height: 450px;
    }

    .slider-card {
        width: 280px;
        height: 370px;
    }

    .slider-card.prev {
        transform: translateX(-240px) translateZ(0) rotateY(18deg) scale(0.85);
    }

    .slider-card.next {
        transform: translateX(240px) translateZ(0) rotateY(-18deg) scale(0.85);
    }

    .slider-card.far-prev,
    .slider-card.far-next {
        opacity: 0;
        pointer-events: none;
    }

    .slider-cards-nav {
        width: 50px;
        height: 50px;
    }

    .slider-cards-nav svg {
        width: 24px;
        height: 24px;
    }
}

@media (max-width: 768px) {
    .slider-cards-section {
        padding: 50px 0;
    }

    .slider-cards-header {
        margin-bottom: 40px;
    }

    .slider-cards-wrapper {
        padding: 0 50px;
    }

    .slider-cards-container {
        height: 400px;
    }

    .slider-card {
        width: 250px;
        height: 330px;
        border-radius: 20px;
    }

    .slider-card.active {
        transform: translateX(0) translateZ(50px) scale(1.02);
    }

    .slider-card.prev {
        transform: translateX(-180px) rotateY(15deg) scale(0.8);
        opacity: 0.5;
    }

    .slider-card.next {
        transform: translateX(180px) rotateY(-15deg) scale(0.8);
        opacity: 0.5;
    }

    .slider-cards-nav {
        width: 44px;
        height: 44px;
    }

    .slider-cards-thumbs {
        margin-top: 35px;
        gap: 8px;
    }

    .thumb-item {
        width: 50px;
        height: 50px;
        border-radius: 10px;
    }
}

@media (max-width: 520px) {
    .slider-cards-section {
        padding: 40px 0;
    }

    .slider-cards-wrapper {
        padding: 0 40px;
    }

    .slider-cards-container {
        height: 350px;
    }

    .slider-card {
        width: 220px;
        height: 290px;
        border-radius: 16px;
    }

    .slider-card.prev,
    .slider-card.next {
        transform: translateX(-140px) scale(0.75) rotateY(12deg);
        opacity: 0.4;
    }

    .slider-card.next {
        transform: translateX(140px) scale(0.75) rotateY(-12deg);
    }

    .slider-cards-nav {
        width: 38px;
        height: 38px;
    }

    .slider-cards-nav svg {
        width: 20px;
        height: 20px;
    }

    .slider-cards-thumbs {
        display: none;
    }

    .card-content {
        padding: 20px;
    }

    .card-content h3 {
        font-size: 1.1rem;
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {

    .slider-card,
    .slider-cards-nav,
    .thumb-item {
        transition: none;
    }
}