/* ===== CSS Variables ===== */
:root {
    --bg: #07070b;
    --card-bg: #d9d9d9;
    --card-bg-hover: #e8e8e8;
    --text: #2a2a2a;
    --radius: 20px;
    --transition: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    --font: 'Space Grotesk', sans-serif;
}

/* ===== Reset & Base ===== */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    height: 100%;
}

body {
    font-family: var(--font);
    background: var(--bg);
    background-image:
        radial-gradient(120% 80% at 50% 0%, rgba(70, 80, 120, 0.18) 0%, rgba(7, 7, 11, 0) 55%),
        linear-gradient(180deg, #050507 0%, #0b0c14 45%, #131420 100%);
    background-attachment: fixed;
    color: var(--text);
    overflow-x: hidden;
    overflow-y: auto;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    scroll-behavior: smooth;
    scroll-snap-type: y proximity;
}

/* ===== Main Layout ===== */
.main {
    width: 100%;
}

/* ===== Hero Video ===== */
.hero-video-container {
    width: 100%;
    height: 68vh;
    display: flex;
    align-items: center;
    justify-content: center;
    scroll-snap-align: start;
    position: relative;
}

.hero-video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Soft fade so the video blends into the background */
.hero-video-container::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    height: 22%;
    background: linear-gradient(180deg, rgba(11, 12, 20, 0) 0%, #0b0c14 100%);
    pointer-events: none;
    z-index: 1;
}

/* ===== Carousel ===== */
.carousel-wrapper {
    position: relative;
    width: 100%;
    height: 58vh;
    min-height: 560px;
    display: flex;
    align-items: center;
    justify-content: center;
    perspective: 1200px;
    scroll-snap-align: start;
}

.carousel {
    position: relative;
    width: 330px;
    height: 490px;
    transform-style: preserve-3d;
}

/* ===== Card ===== */
a.card {
    text-decoration: none;
    color: inherit;
}

.card {
    position: absolute;
    width: 330px;
    height: 490px;
    background: var(--card-bg);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    overflow: hidden;
    transition: var(--transition);
    backface-visibility: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.4);
    opacity: 0;
}

.card.active {
    transform: translateX(0) translateZ(0) rotateY(0);
    opacity: 1;
    z-index: 4;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
}

.card.prev {
    transform: translateX(-375px) translateZ(-150px) rotateY(25deg);
    opacity: 0.7;
    z-index: 3;
    cursor: pointer;
}

.card.next {
    transform: translateX(375px) translateZ(-150px) rotateY(-25deg);
    opacity: 0.7;
    z-index: 3;
    cursor: pointer;
}

.card.far-prev {
    transform: translateX(-650px) translateZ(-300px) rotateY(35deg);
    opacity: 0.35;
    z-index: 2;
    cursor: pointer;
}

.card.far-next {
    transform: translateX(650px) translateZ(-300px) rotateY(-35deg);
    opacity: 0.35;
    z-index: 2;
    cursor: pointer;
}

.card.hidden-card {
    transform: translateX(0) translateZ(-500px);
    opacity: 0;
    z-index: 1;
    pointer-events: none;
}

/* ===== Card Overlay for non-active ===== */
.card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.3);
    z-index: 3;
    transition: var(--transition);
    border-radius: var(--radius);
}

.card.active::before {
    background: transparent;
}

.card.active:hover::before {
    background: rgba(255, 255, 255, 0.05);
}

/* ===== Card Text ===== */
.card-text {
    font-size: 1.7rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-align: center;
    line-height: 1.4;
    color: var(--text);
    text-transform: uppercase;
    transition: var(--transition);
    user-select: none;
    position: relative;
    z-index: 2;
}

.card.active:hover .card-text {
    letter-spacing: 4px;
}

/* ===== Card Video ===== */
.card-bg-video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: var(--radius);
    opacity: 0.6;
    transition: opacity 0.6s ease;
    z-index: 1;
    pointer-events: none;
}

.card[data-index="0"] .card-bg-video {
    object-fit: cover;
    object-position: calc(50% - 15px) center;
    inset: 0 -40%;
    width: 180%;
}

.card[data-index="2"] .card-bg-video {
    object-fit: cover;
    object-position: center center;
}

.card.active .card-bg-video {
    opacity: 0.8;
}

.card.active.card-video:hover .card-bg-video {
    opacity: 1;
}

.card.active.card-video,
.card.active.card-video:hover {
    background: #111;
}

.card-video .card-text {
    position: relative;
    z-index: 2;
    transition: var(--transition);
}

.card.active.card-video .card-text {
    color: #ffffff;
    text-shadow: 0 2px 20px rgba(0, 0, 0, 0.7);
}

/* ===== Carousel Dots ===== */
.carousel-dots {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 10px;
    z-index: 10;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    border: none;
    background: rgba(255, 255, 255, 0.25);
    cursor: pointer;
    transition: 0.3s ease;
    padding: 0;
}

.dot.active {
    background: #ffffff;
    transform: scale(1.2);
}

.dot:hover {
    background: rgba(255, 255, 255, 0.6);
}

/* ===== Responsive ===== */
@media (max-width: 1200px) {
    .card.prev {
        transform: translateX(-330px) translateZ(-120px) rotateY(22deg);
    }
    .card.next {
        transform: translateX(330px) translateZ(-120px) rotateY(-22deg);
    }
    .card.far-prev {
        transform: translateX(-560px) translateZ(-250px) rotateY(30deg);
        opacity: 0.25;
    }
    .card.far-next {
        transform: translateX(560px) translateZ(-250px) rotateY(-30deg);
        opacity: 0.25;
    }
}

@media (max-width: 768px) {
    .hero-video-container {
        height: 42vh;
    }

    .carousel-wrapper {
        height: auto;
        min-height: 0;
        padding: 24px 0 84px;
        perspective: 900px;
    }

    .carousel {
        width: 260px;
        height: 385px;
    }

    .card {
        width: 260px;
        height: 385px;
    }

    .card.prev {
        transform: translateX(-140px) translateZ(-160px) rotateY(22deg);
        opacity: 0.45;
    }
    .card.next {
        transform: translateX(140px) translateZ(-160px) rotateY(-22deg);
        opacity: 0.45;
    }
    .card.far-prev,
    .card.far-next {
        opacity: 0;
        pointer-events: none;
    }

    .card-text {
        font-size: 1.3rem;
    }

    .carousel-dots {
        bottom: 28px;
    }
}

@media (max-width: 480px) {
    .hero-video-container {
        height: 36vh;
    }

    .carousel-wrapper {
        padding: 20px 0 76px;
    }

    .carousel {
        width: 230px;
        height: 340px;
    }

    .card {
        width: 230px;
        height: 340px;
    }

    .card.prev {
        transform: translateX(-118px) translateZ(-150px) rotateY(20deg);
        opacity: 0.4;
    }
    .card.next {
        transform: translateX(118px) translateZ(-150px) rotateY(-20deg);
        opacity: 0.4;
    }

    .card-text {
        font-size: 1.15rem;
        letter-spacing: 1px;
    }

    .carousel-dots {
        bottom: 24px;
    }
}