/* ===== Блок «Как устроено решение» (обучение) ===== */
.osa-internal .x-lab { background: white; border: 1px solid #d1d3dd; border-radius: 30px; padding: 48px; }
.osa-internal .x-lab .o-head h2 { max-width: 760px; }
.osa-internal .x-lab .o-head > p { max-width: 340px; font-size: 16px; line-height: 1.65; }
.osa-internal .x-lab h2 em { background: linear-gradient(transparent 62%, #ffe100 62%, #ffe100 94%, transparent 94%); font-style: normal; }

/* ===== Tabs ===== */
.osa-internal .s-intent-tabs { display: flex; gap: 8px; border-bottom: 1px solid #d8d9e1; padding-bottom: 20px; margin-bottom: 28px; }
.osa-internal .s-intent-tabs button { background: #eeedf4; color: #3c4153; border: 0; border-radius: 9px; padding: 17px 20px; display: flex; align-items: center; gap: 12px; font: 400 14px/1.4 'Unbounded', sans-serif; cursor: pointer; flex: 1; text-align: left; transition: background .2s ease, color .2s ease; }
.osa-internal .s-intent-tabs button > span { width: 28px; height: 28px; border-radius: 50%; background: rgba(41, 44, 58, .08); color: #3c4153; display: grid; place-items: center; font: 500 12px/1 'Unbounded', sans-serif; flex-shrink: 0; }
.osa-internal .s-intent-tabs button > b { margin-left: auto; display: flex; align-items: center; justify-content: center; }
.osa-internal .s-intent-tabs button > b svg { width: 20px; height: 20px; min-width: 20px; fill: currentColor; display: block; transition: transform .2s ease; }
.osa-internal .s-intent-tabs button[aria-selected="true"] { background: #292c3a; color: #fff; }
.osa-internal .s-intent-tabs button[aria-selected="true"] > span { background: var(--osa-yellow); color: #292c3a; }
.osa-internal .s-intent-tabs button[aria-selected="true"] > b { color: #ffe100; }
.osa-internal .s-intent-tabs button[aria-selected="true"] > b svg { transform: rotate(45deg); }
.osa-internal .s-intent-tabs button:hover:not([aria-selected="true"]) { background: #e4e3ed; }

/* ===== Tab panel ===== */
.osa-internal .x-tab-panel[hidden] { display: none; }

/* ===== Training scene ===== */
.osa-internal .x-training-scene { display: grid; grid-template-columns: .8fr 1.2fr; border-radius: 18px; overflow: hidden; border: 1px solid #d3d6e0; }
.osa-internal .x-client-quote { background: #ffe100; padding: 32px; position: relative; display: flex; flex-direction: column; }
.osa-internal .x-client-quote > small { font-size: 12px; letter-spacing: .1em; color: #6b6029; }
.osa-internal .x-quote-mark { font: 400 100px/1 Georgia, serif; margin-top: 30px; height: 68px; color: var(--osa-ink); }
.osa-internal .x-client-quote h3 { font: 500 29px/1.4 'Unbounded', sans-serif; letter-spacing: -.03em; position: relative; color: var(--osa-ink); }
.osa-internal .x-client-quote p { font-size: 14px; color: #6e642f; margin-top: auto; padding-top: 35px; line-height: 1.65; }
.osa-internal .x-practice-answer { background: #f1f0f6; padding: 36px; }
.osa-internal .x-practice-answer > small { font-size: 12px; letter-spacing: .1em; color: #7e869c; }
.osa-internal .x-practice-answer > h3 { font: 500 22px/1.65 'Unbounded', sans-serif; letter-spacing: -.02em; margin: 25px 0 28px; color: var(--osa-ink); }
.osa-internal .x-practice-result { background: white; padding: 20px; border-radius: 12px; display: flex; align-items: start; gap: 18px; }
.osa-internal .x-practice-result > span { width: 34px; height: 34px; border-radius: 50%; background: #292c3a; color: #ffe100; display: grid; place-items: center; flex-shrink: 0; }
.osa-internal .x-practice-result > span svg { width: 18px; height: 18px; fill: currentColor; display: block; }
.osa-internal .x-practice-result b { font-size: 14px; font-weight: 500; color: var(--osa-ink); }
.osa-internal .x-practice-result p { font-size: 16px; line-height: 1.6; margin-top: 7px; color: var(--osa-muted); }
.osa-internal .x-practice-note { font-size: 14px; line-height: 1.6; margin-top: 20px; color: var(--osa-muted); }

/* ===== Expert ===== */
.osa-internal .o-expert { margin-top: 32px; padding: 24px; border-radius: 16px; background: #f7f7fa; border: 1px solid #e4e5ee; display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.osa-internal .o-expert > img { width: 86px; height: 86px; border-radius: 50%; object-fit: cover; flex-shrink: 0; }
.osa-internal .o-expert > div { flex: 1 1 240px; min-width: 0; }
.osa-internal .o-expert > div > b { display: block; font: 500 17px/1.4 'Unbounded', sans-serif; letter-spacing: -.02em; color: var(--osa-ink); }
.osa-internal .o-expert > div > span { display: block; font-size: 14px; line-height: 1.6; color: var(--osa-muted); margin-top: 6px; }
.osa-internal .o-expert > a.o-link { display: inline-flex; align-items: center; gap: 8px; font-size: 14px; text-decoration: underline; text-underline-offset: 4px; color: var(--osa-ink); flex-shrink: 0; }
.osa-internal .o-expert > a.o-link span { display: inline-flex; align-items: center; justify-content: center; }
.osa-internal .o-expert > a.o-link span svg { width: 16px; height: 16px; fill: currentColor; display: block; transition: transform .2s ease; }
.osa-internal .o-expert > a.o-link:hover { text-decoration: none; }
.osa-internal .o-expert > a.o-link:hover span svg { transform: rotate(45deg); }

/* ===== Адаптив ===== */
@media (max-width: 1279px) {
	.osa-internal .x-lab { padding: 35px; }
	.osa-internal .x-practice-answer > h3 { font-size: 20px; }
	.osa-internal .x-client-quote h3 { font-size: 26px; }
}

@media (max-width: 991px) {
	.osa-internal .x-lab .o-head > p { max-width: 650px; }
	.osa-internal .s-intent-tabs button { padding: 14px 13px; font-size: 12px; gap: 7px; }
	.osa-internal .s-intent-tabs button > span { width: 24px; height: 24px; font-size: 11px; }
	.osa-internal .x-training-scene { grid-template-columns: 1fr; }
	.osa-internal .x-client-quote { padding: 28px; }
	.osa-internal .x-quote-mark { margin-top: 20px; height: 50px; font-size: 80px; }
	.osa-internal .x-client-quote h3 { font-size: 27px; }
	.osa-internal .x-client-quote p { padding-top: 22px; }
	.osa-internal .x-practice-answer { padding: 30px; }
	.osa-internal .x-practice-answer > h3 { font-size: 19px; }
}

@media (max-width: 767px) {
	.osa-internal .s-intent-tabs { flex-direction: column; gap: 8px; }
	.osa-internal .s-intent-tabs button { padding: 14px 16px; font-size: 13px; }
	.osa-internal .o-expert { flex-direction: column; align-items: flex-start; text-align: left; }
	.osa-internal .o-expert > div { flex: 1 1 auto; min-width: 0; }
	.osa-internal .o-expert > a.o-link { margin-top: 4px; }
}

@media (max-width: 575px) {
	.osa-internal .x-lab { padding: 27px 21px; border-radius: 22px; }
	.osa-internal .x-lab h2 { font-size: 25px; }
	.osa-internal .x-lab .o-head > p { font-size: 15px; }
	.osa-internal .s-intent-tabs button { padding: 13px 15px; font-size: 14px; }
	.osa-internal .x-client-quote { padding: 24px; }
	.osa-internal .x-client-quote h3 { font-size: 25px; }
	.osa-internal .x-practice-answer { padding: 25px 20px; }
	.osa-internal .x-practice-answer > h3 { font-size: 18px; line-height: 1.7; margin: 20px 0; }
	.osa-internal .x-practice-result { padding: 17px 14px; gap: 13px; }
	.osa-internal .x-practice-result p { font-size: 15px; }
	.osa-internal .x-practice-result b { font-size: 13px; }
	.osa-internal .x-practice-result > span { width: 29px; height: 29px; }
	.osa-internal .x-practice-result > span svg { width: 15px; height: 15px; }
	.osa-internal .x-practice-note { font-size: 13px; }
	.osa-internal .o-expert { padding: 20px; gap: 14px; }
	.osa-internal .o-expert > img { width: 64px; height: 64px; }
	.osa-internal .o-expert > div > b { font-size: 16px; }
	.osa-internal .o-expert > div > span { font-size: 13px; }
}

@media (prefers-reduced-motion: reduce) {
	.osa-internal .s-intent-tabs button,
	.osa-internal .s-intent-tabs button > b svg,
	.osa-internal .o-expert > a.o-link span svg { transition: none; }
}