/* ================= Cover ================= */

.cover {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    transition:
        opacity .62s ease,
        transform .62s cubic-bezier(.22, 1, .36, 1);
}

.cover.opening {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
    z-index: 20;
    background: #fff;
}

.cover.opening.hide {
    opacity: 0;
    transform: scale(1.045);
    pointer-events: none;
}

.cover .cover__headline {
    font-size: .5rem;
    letter-spacing: .1rem;
}

/* Dưới “Trân trọng kính mời” — mọi concept */
.cover .cover__guest {
    position: relative;
    z-index: 3;
    width: 100%;
    margin-top: .1rem;
    color: var(--primary-color);
    font-family: var(--font-nickname, "Great Vibes", cursive);
    font-size: .62rem;
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: .02rem;
    text-align: center;
    text-transform: none;
}

.cover .cover__footer {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
    align-items: center;
    width: min(100%, 7.4rem);
    gap: .18rem;
}

.cover .cover__footer .man_name,
.cover .cover__footer .women_name {
    min-width: 0;
    font-family: var(--font-nickname, "Great Vibes", cursive);
    font-size: .52rem;
    font-weight: 400;
    line-height: 1.6;
    color: #000;
    text-align: center;
    word-break: keep-all;
}

.cover .cover__footer .heartbeat {
    font-size: .92rem;
    line-height: 1;
    color: #ff0000;
}

@media (max-width: 360px) {
    .cover .cover__footer {
        width: calc(100% - .4rem);
        gap: .1rem;
    }

    .cover .cover__footer .man_name,
    .cover .cover__footer .women_name {
        font-size: .46rem;
    }

    .cover .cover__footer .heartbeat {
        font-size: .76rem;
    }
}


.cover .cover__date {
    margin-top: .32rem;
    font-size: .4rem;
    letter-spacing: .05rem;
    text-transform: uppercase;
}

/* ================= Card ================= */

.cover .card {
    position: relative;
    width: 300px;
    padding: 1.5rem 0;
}

.card__close {
    transition: .42s ease;
    transform: scale(1.15);
    transform-origin: center center;
}

.card__open {
    position: absolute;
    inset: 0;
    opacity: 0;
    transform: translateY(-50px) scale(1.1);
    transition: .55s ease;
}

.card.open .card__close {
    opacity: 0;
    transform: scale(1.04);
}

.card.open .card__open {
    opacity: 1;
    transform: translateY(-50px) scale(1.22);
}

.card.open .cover__click {
    display: none;
}

.concept-loading .card__close,
.concept-loading .card__open {
    opacity: 0;
}

/* ================= Click Icon ================= */

.cover__click {
    position: absolute;
    top: 55%;
    left: 45%;
    width: .92rem;
    height: .92rem;
    display: grid;
    place-items: center;
    border-radius: 50%;
    background: rgba(255, 255, 255, .72);
    box-shadow: 0 10px 26px rgba(0, 0, 0, .14);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    animation: pulse .95s infinite;
    overflow: hidden;
}

.cover__click img {
    width: 62%;
    height: auto;
    opacity: .72;
    filter: brightness(.82) contrast(.96) saturate(.9);
}

/* ================= Cover Opening ================= */

.cover.opening .cover__headline,
.cover.opening .cover__guest,
.cover.opening .cover__footer,
.cover.opening .cover__date {
    opacity: 0;
    transition: .3s;
}