.course-catalog-hero,
.course-detail-hero {
    padding: 82px 0;
    color: #fff;
    background:
        radial-gradient(circle at 85% 20%, rgba(0, 191, 166, .22), transparent 28%),
        linear-gradient(135deg, #071525, #123b6b);
}

.course-catalog-hero h1,
.course-detail-hero h1 {
    max-width: 850px;
    margin: 12px 0;
    font-size: clamp(2.3rem, 5vw, 4.5rem);
    line-height: 1.05;
    letter-spacing: -.05em;
}

.course-catalog-hero p,
.course-detail-hero p {
    color: rgba(255,255,255,.76);
}

.catalog-filters {
    display: grid;
    grid-template-columns: minmax(260px, 1fr) minmax(220px, .45fr) auto;
    gap: 12px;
    max-width: 950px;
    margin-top: 28px;
}

.course-catalog-section,
.course-detail-content {
    padding: 72px 0;
}

.portal-course-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.portal-course-card {
    overflow: hidden;
    border: 1px solid var(--academy-border);
    border-radius: 22px;
    background: #fff;
    box-shadow: 0 16px 38px rgba(7,21,37,.07);
}

.portal-course-card__cover {
    height: 220px;
    display: grid;
    place-items: center;
    overflow: hidden;
    color: #fff;
    background: linear-gradient(135deg, #1565e6, #00bfa6);
}

.portal-course-card__cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.portal-course-card__body {
    padding: 22px;
}

.portal-course-card__body h2 {
    min-height: 58px;
    margin: 8px 0;
    font-size: 1.1rem;
    line-height: 1.35;
}

.portal-course-card__body p {
    min-height: 68px;
    color: var(--academy-muted);
    font-size: .84rem;
}

.portal-course-card__body > small,
.portal-course-card__instructor {
    color: var(--academy-blue-600);
    font-size: .75rem;
    font-weight: 750;
}

.portal-course-card__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 7px;
    margin: 16px 0;
}

.portal-course-card__meta span,
.course-detail-meta span {
    padding: 6px 9px;
    border-radius: 999px;
    color: #36516e;
    background: #eff5fa;
    font-size: .7rem;
}

.portal-course-card__price {
    display: flex;
    align-items: baseline;
    gap: 8px;
    padding-top: 16px;
    border-top: 1px solid var(--academy-border);
}

.portal-course-card__price small {
    color: var(--academy-muted);
    text-decoration: line-through;
}

.portal-course-card__price strong {
    font-size: 1.2rem;
}

.course-detail-hero__grid,
.course-detail-content__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 380px;
    gap: 52px;
    align-items: start;
}

.course-detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin: 24px 0;
}

.course-purchase-card,
.instructor-public-card {
    overflow: hidden;
    border-radius: 22px;
    color: var(--academy-text);
    background: #fff;
    box-shadow: 0 24px 60px rgba(7,21,37,.2);
}

.course-purchase-card img {
    width: 100%;
    height: 210px;
    object-fit: cover;
}

.course-purchase-card > div,
.instructor-public-card {
    padding: 24px;
}

.course-purchase-card strong {
    display: block;
    margin-bottom: 16px;
    font-size: 1.7rem;
}

.course-purchase-card small {
    display: block;
    margin-top: 12px;
    color: var(--academy-muted);
    text-align: center;
}

.course-detail-content article h2 {
    margin-top: 34px;
}

.rich-text {
    color: #4c6075;
    line-height: 1.8;
}

.instructor-public-card {
    border: 1px solid var(--academy-border);
    box-shadow: 0 16px 38px rgba(7,21,37,.08);
}

.instructor-public-card img {
    width: 92px;
    height: 92px;
    border-radius: 24px;
    object-fit: cover;
}

.portal-empty-state {
    grid-column: 1 / -1;
    padding: 48px;
    border: 1px dashed var(--academy-border);
    border-radius: 22px;
    text-align: center;
}

@media (max-width: 980px) {
    .portal-course-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .course-detail-hero__grid,
    .course-detail-content__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 700px) {
    .catalog-filters,
    .portal-course-grid {
        grid-template-columns: 1fr;
    }

    .course-catalog-hero,
    .course-detail-hero {
        padding: 56px 0;
    }
}


/* ==========================================================================
   F05.4 — Página de detalhes com imagem do curso
   ========================================================================== */

.course-detail-hero {
    padding: 64px 0 76px;
}

.course-detail-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(360px, 470px);
    align-items: center;
}

.course-detail-hero__content {
    min-width: 0;
}

.course-detail-back {
    display: inline-flex;
    margin-bottom: 24px;
    color: rgba(255, 255, 255, .72);
    font-size: .8rem;
    font-weight: 750;
}

.course-detail-back:hover {
    color: #ffffff;
}

.course-detail-summary {
    max-width: 720px;
    font-size: 1.05rem;
    line-height: 1.75;
}

.course-detail-commercial-card {
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, .22);
    border-radius: 24px;
    color: var(--academy-text);
    background: #ffffff;
    box-shadow: 0 30px 80px rgba(0, 0, 0, .28);
}

.course-detail-cover {
    position: relative;
    display: grid;
    min-height: 280px;
    place-items: center;
    overflow: hidden;
    background:
        radial-gradient(
            circle at 30% 20%,
            rgba(0, 191, 166, .15),
            transparent 35%
        ),
        linear-gradient(145deg, #edf7fb, #dbe7f3);
}

.course-detail-cover__button {
    position: relative;
    width: 100%;
    height: 100%;
    min-height: 280px;
    display: grid;
    place-items: center;
    overflow: hidden;
    padding: 0;
    border: 0;
    background: transparent;
    cursor: zoom-in;
}

.course-detail-cover__button img {
    width: 100%;
    height: 100%;
    min-height: 280px;
    object-fit: contain;
    object-position: center;
}

.course-detail-cover__button span {
    position: absolute;
    right: 14px;
    bottom: 14px;
    padding: 7px 11px;
    border-radius: 999px;
    color: #ffffff;
    background: rgba(7, 21, 37, .72);
    backdrop-filter: blur(10px);
    font-size: .72rem;
    font-weight: 800;
}

.course-detail-cover__fallback {
    display: grid;
    gap: 8px;
    padding: 40px;
    color: #31506d;
    text-align: center;
}

.course-detail-cover__fallback strong {
    font-size: 1.25rem;
}

.course-detail-purchase {
    padding: 24px;
}

.course-detail-price-old {
    display: block;
    margin-bottom: 4px;
    color: var(--academy-muted);
    text-decoration: line-through;
}

.course-detail-price {
    display: block;
    margin-bottom: 18px;
    font-size: 1.9rem;
}

.course-detail-benefits {
    display: grid;
    gap: 9px;
    margin: 18px 0 0;
    padding: 0;
    list-style: none;
}

.course-detail-benefits li {
    position: relative;
    padding-left: 23px;
    color: #52677b;
    font-size: .8rem;
}

.course-detail-benefits li::before {
    position: absolute;
    top: .05rem;
    left: 0;
    color: #00a98f;
    content: "✓";
    font-weight: 900;
}

.course-detail-main {
    display: grid;
    gap: 22px;
}

.course-detail-section {
    padding: 28px;
    border: 1px solid var(--academy-border);
    border-radius: 20px;
    background: #ffffff;
    box-shadow: 0 12px 34px rgba(7, 21, 37, .055);
}

.course-detail-section h2 {
    margin: 0 0 14px;
}

.course-detail-image-modal[hidden] {
    display: none !important;
}

.course-detail-image-modal {
    position: fixed;
    z-index: 2147483000;
    inset: 0;
    display: grid;
    place-items: center;
    padding: 20px;
}

.course-detail-image-modal__backdrop {
    position: absolute;
    inset: 0;
    background: rgba(2, 10, 22, .94);
    backdrop-filter: blur(11px);
    cursor: zoom-out;
}

.course-detail-image-modal__content {
    position: relative;
    z-index: 1;
    display: grid;
    width: min(96vw, 1500px);
    height: min(92vh, 1000px);
    grid-template-rows: auto minmax(0, 1fr) auto;
    gap: 12px;
    padding: 20px;
    border: 1px solid rgba(255, 255, 255, .2);
    border-radius: 22px;
    color: #ffffff;
    background: rgba(7, 21, 37, .9);
    box-shadow: 0 32px 100px rgba(0, 0, 0, .6);
}

.course-detail-image-modal__content h2 {
    margin: 0;
    padding-right: 56px;
    font-size: 1.05rem;
}

.course-detail-image-modal__viewport {
    display: grid;
    min-height: 0;
    place-items: center;
    overflow: auto;
    border-radius: 16px;
    background:
        radial-gradient(
            circle at 50% 35%,
            rgba(39, 119, 235, .14),
            transparent 45%
        ),
        rgba(5, 14, 28, .9);
}

.course-detail-image-modal__viewport img {
    display: block;
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 100%;
    object-fit: contain;
}

.course-detail-image-modal__close {
    position: absolute;
    z-index: 3;
    top: 14px;
    right: 14px;
    width: 44px;
    height: 44px;
    display: grid;
    place-items: center;
    border: 1px solid rgba(255, 255, 255, .3);
    border-radius: 50%;
    color: #ffffff;
    background: rgba(255, 255, 255, .1);
    cursor: pointer;
    font-size: 1.8rem;
    line-height: 1;
}

.course-detail-image-modal__close:hover,
.course-detail-image-modal__close:focus-visible {
    background: #1565e6;
    outline: none;
}

.course-detail-image-modal__content > small {
    color: rgba(255, 255, 255, .72);
    text-align: center;
}

body.course-detail-image-modal-open {
    overflow: hidden;
}

@media (max-width: 980px) {
    .course-detail-hero__grid {
        grid-template-columns: 1fr;
    }

    .course-detail-commercial-card {
        width: min(100%, 680px);
        justify-self: center;
    }
}

@media (max-width: 640px) {
    .course-detail-hero {
        padding: 46px 0 58px;
    }

    .course-detail-cover,
    .course-detail-cover__button,
    .course-detail-cover__button img {
        min-height: 220px;
    }

    .course-detail-purchase,
    .course-detail-section {
        padding: 20px;
    }

    .course-detail-image-modal {
        padding: 10px;
    }

    .course-detail-image-modal__content {
        width: 100%;
        height: calc(100dvh - 20px);
        padding: 14px;
        border-radius: 16px;
    }
}