.hero {
  background:
    radial-gradient(1200px 600px at 10% 10%, rgba(13,110,253,.08), transparent),
    radial-gradient(1200px 600px at 90% 10%, rgba(32,201,151,.08), transparent);
}
.accordion-button:focus { box-shadow: none; }


/* --- Lite YouTube (no 3rd-party warnings) --- */
.yt-lite {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    background: #000 center / cover no-repeat;
    cursor: pointer;
}

/* play button */
.yt-lite .lty-playbtn {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
}
.yt-lite .lty-playbtn::before {
    content: "";
    width: 68px;
    height: 48px;
    border-radius: 14px;
    background: rgba(0,0,0,.6);
    box-shadow: 0 0 30px rgba(0,0,0,.6);
    display: block;
}
.yt-lite .lty-playbtn::after {
    content: "";
    margin-left: 3px;
    border-style: solid;
    border-width: 12px 0 12px 20px;
    border-color: transparent transparent transparent #fff;
    position: absolute;
}

.btn {
    font-size: 0.95rem;
}