/* Одна DOM-структура: здесь композиция, размеры и информационная плотность. */
.home-layout { display: flex; flex-direction: column; gap: 48px; }
.home-workspace { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 26px 32px; order: 1; }
.home-layout section, .home-workspace > * { min-width: 0; }
.home-intro { grid-column: 1; grid-row: 1; }
.home-help { grid-column: 2; grid-row: 1; align-self: end; padding-bottom: 4px; }
.home-calculator { grid-column: 1 / -1; grid-row: 2; }
.hero-context, .help-details, .help-links { display: none; }
.home-market { display: contents; }
.home-recent { order: 2; }
.home-how { order: 3; }
.home-why { order: 4; }
.home-rates { order: 5; }
.home-faq { order: 6; }
.home-monitorings { order: 7; }

/* B: самостоятельная вертикальная card справа от hero и времени работы. */
[data-layout="b"] .home-workspace { grid-template-columns: minmax(0, 1fr) 500px; column-gap: 72px; row-gap: 32px; }
[data-layout="b"] .home-intro { align-self: end; padding-top: 64px; }
[data-layout="b"] .home-help { grid-column: 1; grid-row: 2; align-self: start; padding-bottom: 64px; }
[data-layout="b"] .home-calculator { grid-column: 2; grid-row: 1 / 3; }
[data-layout="b"] .hero-context { display: block; }
[data-layout="b"] .hero h1 { max-width: 580px; font-size: clamp(2.5rem, 4.3vw, 3.8rem); line-height: 1.08; }
[data-layout="b"] .hero-subtitle { max-width: 420px; margin-top: 26px; font-size: 1.1rem; }
[data-layout="b"] .home-calculator #exchange { padding: 28px; border-radius: 24px; }
[data-layout="b"] .home-calculator #exchange h2 { margin-bottom: 12px; font-size: 1rem; }
[data-layout="b"] .home-calculator #exchange label { margin-top: 12px; }
[data-layout="b"] .home-calculator #exchange .form-select { min-height: 52px; }
[data-layout="b"] .home-calculator #exchange .form-control { height: 60px; }
[data-layout="b"] .home-calculator .exchange-directions { grid-template-columns: minmax(0, 1fr); gap: 10px; }
[data-layout="b"] #swap-direction { justify-self: end; }
[data-layout="b"] #swap-direction svg { transform: rotate(90deg); }
[data-layout="b"] .calculator-footer { flex-direction: column; align-items: stretch; gap: 18px; }
[data-layout="b"] .calculator-rate { justify-content: space-between; }
[data-layout="b"] .calculator-footer #exchange-submit { width: 100%; }
[data-layout="b"] .home-rates { order: 3; }
[data-layout="b"] .home-how { order: 4; }
[data-layout="b"] .home-why { order: 5; }

/* C: компактная рабочая область и панель существующих условий/помощи. */
[data-layout="c"] .container { max-width: 1264px; }
[data-layout="c"] .site-main { padding-block: 30px; }
[data-layout="c"] .navbar { padding-block: 12px; }
[data-layout="c"] .home-layout { gap: 32px; }
[data-layout="c"] .home-workspace { grid-template-columns: minmax(0, 1fr) 280px; gap: 24px; }
[data-layout="c"] .home-intro { grid-column: 1 / -1; }
[data-layout="c"] .hero-context { display: block; margin-bottom: 10px; }
[data-layout="c"] .hero h1 { font-size: clamp(1.65rem, 3vw, 1.875rem); }
[data-layout="c"] .hero-subtitle { margin-top: 10px; font-size: .875rem; }
[data-layout="c"] .home-calculator { grid-column: 1; grid-row: 2; }
[data-layout="c"] .home-help { grid-column: 2; grid-row: 2; align-self: stretch; display: flex; flex-direction: column; padding: 24px; }
[data-layout="c"] .help-details, [data-layout="c"] .help-links { display: block; }
[data-layout="c"] .help-links { display: flex; margin-top: auto; padding-top: 28px; }
[data-layout="c"] .home-calculator #exchange { padding: 22px 24px; border-radius: 10px; }
[data-layout="c"] .calculator-heading { padding-bottom: 18px; margin-bottom: 22px; }
[data-layout="c"] .home-calculator #exchange .form-select { min-height: 52px; }
[data-layout="c"] .home-calculator #exchange .form-control { height: 58px; font-size: 1.5rem; }
[data-layout="c"] #swap-direction { width: 40px; height: 40px; border-radius: 8px; }
[data-layout="c"] .home-market { display: grid; grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr); gap: 24px; order: 2; }
[data-layout="c"] .home-market > :only-child { grid-column: 1 / -1; }
[data-layout="c"] .home-rates { order: 1; }
[data-layout="c"] .home-recent { order: 2; }
[data-layout="c"] .rates-list { grid-template-columns: minmax(0, 1fr); gap: 0; }
[data-layout="c"] .rate-card { flex-direction: row; justify-content: space-between; align-items: center; gap: 16px; padding: 20px; border-radius: 0; }
[data-layout="c"] .rate-value { flex-shrink: 0; font-size: .8rem; text-align: right; }
[data-layout="c"] .rate-item + .rate-item .rate-card { border-top: 0; }
[data-layout="c"] .rate-item:first-child .rate-card { border-radius: 10px 10px 0 0; }
[data-layout="c"] .rate-item:last-child .rate-card { border-radius: 0 0 10px 10px; }
[data-layout="c"] .rate-item:only-child .rate-card { border-radius: 10px; }
[data-layout="c"] .recent-row { grid-template-columns: minmax(0, 1fr) auto; gap: 10px; padding: 18px 20px; }
[data-layout="c"] .recent-amounts { grid-column: 1; grid-row: 2; }
[data-layout="c"] .recent-row time { grid-column: 2; grid-row: 1 / 3; }
[data-layout="c"] .section-heading { margin-bottom: 18px; }
[data-layout="c"] .section-heading h2 { font-size: 1.2rem; }
[data-layout="c"] .exchange-steps li { padding: 20px; }
[data-layout="c"] .site-footer { padding-top: 32px; }

@media (min-width: 992px) {
    [data-layout="c"] .home-help { border: 1px solid var(--color-border); border-radius: 10px; background: var(--color-surface); }
}
@media (max-width: 991.98px) {
    .home-workspace { grid-template-columns: minmax(0, 1fr); gap: 22px; }
    .home-help { grid-column: 1; grid-row: 2; align-self: start; }
    .home-calculator { grid-column: 1; grid-row: 3; }
    [data-layout="b"] .home-workspace { grid-template-columns: minmax(0, 1fr); gap: 24px; }
    [data-layout="b"] .home-intro { padding-top: 0; }
    [data-layout="b"] .home-help { padding-bottom: 0; }
    [data-layout="b"] .home-calculator { grid-column: 1; grid-row: 3; width: 100%; max-width: 520px; justify-self: center; }
    [data-layout="b"] .hero h1 { font-size: clamp(2rem, 5vw, 2.75rem); }
    [data-layout="b"] .hero-subtitle { max-width: 580px; font-size: 1rem; margin-top: 18px; }
    [data-layout="c"] .home-workspace { grid-template-columns: minmax(0, 1fr); }
    [data-layout="c"] .home-calculator { grid-column: 1; grid-row: 2; }
    [data-layout="c"] .home-help { grid-column: 1; grid-row: 3; padding: 20px; }
    [data-layout="c"] .home-market { grid-template-columns: minmax(0, 1fr); }
    [data-layout="c"] .recent-row time { grid-column: 2; grid-row: 1 / 3; }
}
@media (max-width: 600px) {
    .home-layout, [data-layout="c"] .home-layout { gap: 32px; }
    .home-calculator .exchange-directions { grid-template-columns: minmax(0, 1fr); gap: 14px; }
    .home-calculator #swap-direction { justify-self: center; }
    .home-calculator #swap-direction svg { transform: rotate(90deg); }
    [data-layout="b"] .home-calculator #exchange, [data-layout="c"] .home-calculator #exchange { padding: 20px; }
    [data-layout="b"] #swap-direction { justify-self: end; }
    [data-layout="c"] .rate-card { flex-direction: column; align-items: start; gap: 8px; }
    [data-layout="c"] .rate-value { flex-shrink: 1; text-align: left; }
    [data-layout="c"] .recent-row { grid-template-columns: minmax(0, 1fr); }
    [data-layout="c"] .recent-row time { grid-column: 1; grid-row: 3; text-align: left; }
}