.rav-course-hero {
    position: relative;
    isolation: isolate;
    overflow: hidden;
    background: var(--rav-color-ink);
    color: var(--rav-text, var(--rav-color-paper-soft));
    padding-top: 5rem;
    padding-bottom: 0;
    --rav-accent: var(--rav-color-bronze);
}
@media (min-width: 640px) {
    .rav-course-hero { padding-top: 7rem; }
}

.rav-course-hero__glow {
    position: absolute;
    right: -10rem;
    top: 33%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(229, 184, 155, 0.10);
    filter: blur(160px);
    pointer-events: none;
    z-index: -1;
}

.rav-course-hero__rule {
    position: absolute;
    inset-inline: 0;
    bottom: 0;
    height: 1px;
    background: linear-gradient(to left, transparent, rgba(229, 184, 155, 0.30), transparent);
    pointer-events: none;
}

.rav-course-hero__inner {
    position: relative;
    margin-inline: auto;
    max-width: 1240px;
    padding-inline: 1.5rem;
}
@media (min-width: 640px) { .rav-course-hero__inner { padding-inline: 2.5rem; } }

.rav-course-hero__grid {
    display: grid;
    gap: 2.5rem;
    /* Single mobile column constrained to the viewport — minmax(0,1fr) stops
       grid "blowout" where an auto track expands past the screen width. */
    grid-template-columns: minmax(0, 1fr);
}
@media (min-width: 1024px) {
    .rav-course-hero__grid { grid-template-columns: minmax(0, 1fr) 340px; gap: 4rem; }
}
@media (min-width: 1280px) {
    .rav-course-hero__grid { grid-template-columns: minmax(0, 1fr) 380px; }
}

.rav-course-hero__content {
    display: flex;
    flex-direction: column;
    gap: 1.75rem;
    padding-bottom: var(--rav-sec-pad, 2rem);
    min-width: 0;
}

.rav-course-hero__eyebrow-row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem;
}
.rav-course-hero__divider {
    width: 1px;
    height: 12px;
    background: rgba(229, 184, 155, 0.30);
}

.rav-course-hero__title {
    font-size: clamp(2.4rem, 5.5vw, 4.2rem);
    font-weight: 500;
    line-height: 1.0;
    letter-spacing: -0.02em;
    color: var(--rav-color-paper-soft);
    margin: 0;
}

.rav-course-hero__subtitle {
    max-width: 36rem;
    font-size: 1.125rem;
    line-height: 1.6;
    color: rgba(245, 242, 237, 0.7);
    margin: 0;
}

.rav-course-hero__highlights {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.625rem;
}
.rav-course-hero__highlights li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    font-size: 18px;
    color: rgba(245, 242, 237, 0.8);
}

.rav-course-hero__pills {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.625rem;
    border-top: 1px solid rgba(255, 255, 255, 0.10);
    padding-top: 1.5rem;
}

.rav-course-hero__card {
    display: block;
    min-width: 0;
}
@media (min-width: 1024px) {
    .rav-course-hero__card {
        position: sticky;
        top: 7rem;
        padding-bottom: 4rem;
    }
}

/* ===== Aside: Instructor portrait card ===== */
.rav-course-hero__instructor {
    position: relative;
    overflow: hidden;
    border-radius: var(--rav-radius-lg);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 0 0 1px rgba(229, 184, 155, 0.30) inset;
    padding: 6px;
    display: flex;
    flex-direction: column;
    gap: 1.25rem;
}
.rav-course-hero__instructor::before {
    content: "";
    position: absolute;
    inset: 6px;
    border-radius: calc(var(--rav-radius-lg) - 6px);
    background: rgba(28, 28, 30, 0.95);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
    z-index: 0;
}
.rav-course-hero__instructor > * { position: relative; z-index: 1; }
.rav-course-hero__portrait {
    display: block;
    aspect-ratio: 1 / 1;
    background-size: cover;
    background-position: center;
    margin: 1.5rem 1.5rem 0;
}
.rav-course-hero__portrait--large {
    border-radius: calc(var(--rav-radius-lg) - 12px);
    box-shadow: 0 0 0 2px var(--rav-color-bronze), 0 0 0 6px var(--rav-color-ink);
    margin: 1.75rem 1.75rem 0;
}
.rav-course-hero__portraits-duo {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin: 1.5rem 1.5rem 0;
}
.rav-course-hero__portraits-duo .rav-course-hero__portrait { margin: 0; }
.rav-course-hero__portrait--small {
    border-radius: 18px;
    box-shadow: 0 0 0 2px var(--rav-color-bronze), 0 0 0 4px var(--rav-color-ink);
}
.rav-course-hero__instructor-info {
    display: flex; flex-direction: column;
    gap: 4px;
    margin: 0 1.75rem 0;
}
.rav-course-hero__instructor-info--co {
    margin-top: 4px;
    border-top: 1px solid rgba(255, 255, 255, 0.10);
    padding-top: 16px;
}
.rav-course-hero__instructor-info:last-child { margin-bottom: 1.75rem; }
.rav-course-hero__role-eyebrow {
    font-size: 13px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--rav-color-bronze);
    font-weight: 500;
}
.rav-course-hero__instructor-name {
    margin: 0;
    font-size: 21px;
    font-weight: 500;
    color: var(--rav-color-paper-soft);
}
.rav-course-hero__instructor-title {
    margin: 0;
    font-size: 15px;
    line-height: 1.55;
    color: rgba(245, 242, 237, 0.65);
}