:root {
    --tva-navy: #081b3a;
    --tva-blue: #246bfe;
    --tva-purple: #7659ef;
    --tva-ink: #10213e;
    --tva-muted: #68768a;
    --tva-line: #dfe6f0;
    --tva-soft: #f4f7fb;
}

.techvenation-academy {
    color: var(--tva-ink);
}

.techvenation-academy img,
.techvenation-academy video,
.techvenation-academy iframe {
    max-width: 100%;
}

.tva-shell {
    width: min(1180px, calc(100% - 32px));
    margin-inline: auto;
}

.tva-hero {
    position: relative;
    overflow: hidden;
    padding: clamp(72px, 9vw, 120px) 0;
    color: #fff;
    background: radial-gradient(circle at 78% 25%, rgba(90, 82, 255, .5), transparent 30%), linear-gradient(135deg, #071831, var(--tva-navy));
}

.tva-hero .tva-shell { max-width: 820px; }
.tva-kicker { color: #8fb6ff; font-size: 12px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
.tva-hero h1 { margin: 18px 0; color: #fff; font-size: clamp(46px, 7vw, 78px); line-height: 1.02; letter-spacing: -.045em; }
.tva-hero h1 span { color: #8a94ff; }
.tva-hero p { max-width: 660px; color: rgba(255,255,255,.72); font-size: clamp(17px, 2vw, 21px); line-height: 1.7; }
.tva-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.tva-button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    border-radius: 9px;
    padding: 10px 18px;
    color: #fff !important;
    background: var(--tva-blue);
    font-weight: 700;
    text-decoration: none !important;
}
.tva-button:hover { background: #1557df; transform: translateY(-1px); }
.tva-button-ghost { border: 1px solid rgba(255,255,255,.24); background: rgba(255,255,255,.08); }
.tva-button-whatsapp { background: #168a63; }

.tva-course-section { padding-block: 76px; }
.tva-course-section h2 { margin: 12px 0 0; font-size: clamp(32px, 5vw, 48px); letter-spacing: -.035em; }
.tva-course-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 26px; margin-top: 34px; }
.tva-course-card { overflow: hidden; border: 1px solid var(--tva-line); border-radius: 24px; background: #fff; box-shadow: 0 18px 55px rgba(10,31,68,.08); }
.tva-course-image { display: grid; aspect-ratio: 16/9; place-items: center; overflow: hidden; color: var(--tva-muted); background: var(--tva-soft); }
.tva-course-image img { width: 100%; height: 100%; object-fit: cover; }
.tva-course-copy { padding: 24px; }
.tva-course-copy h3 { margin: 10px 0; font-size: 25px; line-height: 1.2; }
.tva-course-copy h3 a { color: var(--tva-ink); text-decoration: none; }
.tva-course-copy p { color: var(--tva-muted); line-height: 1.65; }
.tva-course-type { color: var(--tva-purple); font-size: 12px; font-weight: 800; letter-spacing: .12em; text-transform: uppercase; }
.tva-course-meta { display: flex; flex-wrap: wrap; gap: 10px 18px; margin-block: 18px; color: var(--tva-muted); font-size: 14px; }

.tva-delivery,
.tva-private-access {
    margin-block: 28px;
    border: 1px solid var(--tva-line);
    border-radius: 20px;
    padding: 24px;
    background: #fff;
}
.tva-delivery h2, .tva-private-access h3 { margin-top: 0; }
.tva-delivery dl { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; margin: 0; }
.tva-delivery dl div { border-radius: 12px; padding: 14px; background: var(--tva-soft); }
.tva-delivery dt { color: var(--tva-muted); font-size: 12px; font-weight: 700; text-transform: uppercase; }
.tva-delivery dd { margin: 5px 0 0; font-weight: 700; }
.tva-private-access { color: #fff; background: var(--tva-navy); }
.tva-private-access p { color: rgba(255,255,255,.72); }

@media (max-width: 760px) {
    .tva-course-grid, .tva-delivery dl { grid-template-columns: 1fr; }
    .tva-course-section { padding-block: 52px; }
}