/* HERO */
.hero {
    background: rgb(var(--bs-primary-rgb));
    color: #fff;
    padding: 4rem 0 3rem;
    text-align: center;
}

/* COUNTDOWN  */
.count-box {
    background: rgba(255, 255, 255, .16);
    /* nền mờ */
    border: 1px solid rgba(255, 255, 255, .38);
    /* viền mảnh nổi */
    border-radius: 1rem;
    box-shadow: 0 10px 24px rgba(0, 0, 0, .10);
    /* bóng */
    backdrop-filter: blur(6px);
    padding: .75rem 1rem;
    /* nhỏ hơn trước */
    min-width: 130px;
    transition: transform .15s ease, box-shadow .15s ease;
}

.count-box:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 28px rgba(0, 0, 0, .14);
}

.count-number {
    font-weight: 800;
    line-height: 1;
    font-size: clamp(1.75rem, 1.3rem + 1.5vw, 2.25rem);
    /* nhỏ gọn, responsive */
}

.count-label {
    margin: 0;
    opacity: .95;
    font-size: .95rem;
}

.circle-button {
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 170px !important;
    height: 170px !important;
    border-radius: 100% !important;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    line-height: 1;
}

.rounded img {
    border-radius: 0.4rem;
}