Prémium üvegkártya

.cards-01 {
    width: min(1180px, calc(100% - 30px));
    margin: 0 auto;

    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
}


/* =========================
   KÁRTYA
========================= */

.card-01 {
    position: relative;

    min-height: 390px;
    padding: 32px;

    overflow: hidden;

    display: flex;
    flex-direction: column;

    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: 24px;

    background:
        linear-gradient(
            145deg,
            rgba(255,255,255,0.065),
            rgba(255,255,255,0.018)
        );

    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.06),
        0 25px 60px rgba(0,0,0,0.28);

    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);

    transition:
        transform 0.45s ease,
        border-color 0.45s ease,
        box-shadow 0.45s ease;
}


/* háttérfény */

.card-01::before {
    content: "";

    position: absolute;

    width: 180px;
    height: 180px;

    top: -90px;
    right: -70px;

    border-radius: 50%;

    background: #2ecc71;

    opacity: 0.08;

    filter: blur(45px);

    transition:
        transform 0.6s ease,
        opacity 0.6s ease;
}


.card-01:hover {
    transform: translateY(-9px);

    border-color: rgba(46, 204, 113, 0.38);

    box-shadow:
        inset 0 1px 0 rgba(255,255,255,0.08),
        0 30px 70px rgba(0,0,0,0.38),
        0 0 35px rgba(46,204,113,0.06);
}


.card-01:hover::before {
    transform: scale(1.7);

    opacity: 0.14;
}


/* =========================
   FELSŐ RÉSZ
========================= */

.card-01-top {
    position: relative;
    z-index: 2;

    display: flex;
    align-items: flex-start;
    justify-content: space-between;
}


.card-01-number {
    font-family: monospace;
    font-size: 11px;
    letter-spacing: 2px;

    color: rgba(255,255,255,0.28);
}


/* =========================
   IKON
========================= */

.card-01-icon {
    width: 54px;
    height: 54px;

    display: flex;
    align-items: center;
    justify-content: center;

    border: 1px solid rgba(46,204,113,0.25);
    border-radius: 16px;

    color: #2ecc71;

    background: rgba(46,204,113,0.055);

    box-shadow:
        0 0 25px rgba(46,204,113,0.07);

    transition:
        transform 0.45s ease,
        background 0.45s ease,
        box-shadow 0.45s ease;
}


.card-01-icon i {
    font-size: 21px;
}


.card-01:hover .card-01-icon {
    transform: rotate(-8deg) scale(1.08);

    background: rgba(46,204,113,0.1);

    box-shadow:
        0 0 30px rgba(46,204,113,0.15);
}


/* =========================
   TARTALOM
========================= */

.card-01-content {
    position: relative;
    z-index: 2;

    margin-top: auto;
    padding-top: 55px;
}


.card-01-label {
    display: block;

    margin-bottom: 14px;

    color: #2ecc71;

    font-family: monospace;
    font-size: 10px;
    letter-spacing: 2.5px;
}


.card-01 h3 {
    margin: 0 0 15px;

    color: #ffffff;

    font-family: "Bodoni Moda", Georgia, serif;
    font-size: 30px;
    font-weight: 500;
    line-height: 1.1;
}


.card-01 p {
    max-width: 310px;

    margin: 0;

    color: #87919d;

    font-size: 13px;
    line-height: 1.8;
}


/* =========================
   ALSÓ LINK
========================= */

.card-01-link {
    position: relative;
    z-index: 2;

    align-self: flex-start;

    display: flex;
    align-items: center;
    gap: 10px;

    margin-top: 28px;

    color: #ffffff;

    text-decoration: none;

    font-size: 12px;
    letter-spacing: 0.5px;

    transition:
        gap 0.3s ease,
        color 0.3s ease;
}


.card-01-link i {
    color: #2ecc71;

    transition:
        transform 0.3s ease;
}


.card-01-link:hover {
    gap: 16px;
}


.card-01-link:hover i {
    transform: translate(2px, -2px);
}


/* =========================
   FINOM FÉNYCSÍK
========================= */

.card-01::after {
    content: "";

    position: absolute;

    left: 28px;
    right: 28px;
    bottom: 0;

    height: 1px;

    background:
        linear-gradient(
            90deg,
            transparent,
            rgba(46,204,113,0.5),
            transparent
        );

    opacity: 0.35;

    transition:
        opacity 0.4s ease,
        transform 0.4s ease;
}


.card-01:hover::after {
    opacity: 0.9;

    transform: scaleX(1.08);
}


/* =========================
   RESZPONZÍV
========================= */

@media (max-width: 900px) {

    .cards-01 {
        grid-template-columns: 1fr;
        max-width: 520px;
    }

}


@media (max-width: 480px) {

    .cards-01 {
        width: min(100% - 24px, 520px);
    }

    .card-01 {
        min-height: 370px;
        padding: 27px;
    }

}

document.querySelectorAll(".cards-01").forEach(group => {

    group.querySelectorAll(".card-01").forEach(card => {

        card.addEventListener("mousemove", event => {

            const rect = card.getBoundingClientRect();

            const x = event.clientX - rect.left;
            const y = event.clientY - rect.top;

            const rotateX = ((y / rect.height) - 0.5) * -4;
            const rotateY = ((x / rect.width) - 0.5) * 4;

            card.style.transform =
                `translateY(-9px) perspective(900px) rotateX(${rotateX}deg) rotateY(${rotateY}deg)`;

        });


        card.addEventListener("mouseleave", () => {

            card.style.transform = "";

        });

    });

});