/* Platform requirements and disabled download controls. */
.platform-section{background:var(--field);padding-block:72px;position:relative}.section-anchor{position:absolute;top:0}.platform-layout{display:block}.platform-intro{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:12px 48px;align-items:start;margin-bottom:32px}.platform-intro h2{grid-column:1;grid-row:1 / 3;font-size:44px}.platform-intro>p{grid-column:2;font-size:18px;max-width:36em}.platform-intro>.text-link{grid-column:2;justify-self:start;font-size:16px}.platform-groups{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;align-items:stretch}.platform-group{display:flex;flex-direction:column;gap:24px;padding:32px;background:var(--surface);color:var(--ink)}.platform-group-title{min-height:68px}.platform-group-title>h3{font-size:28px;line-height:1.25;margin-bottom:10px}.platform-group-title>p{font-size:16px;color:var(--muted)}.platform-row{display:grid;grid-template-columns:minmax(0,1fr) 144px;gap:20px;align-items:start;min-height:112px}.platform-identity{display:flex;gap:16px;align-items:flex-start;min-width:0}.platform-mark{width:28px;height:28px;flex:0 0 28px;fill:currentColor;margin-top:2px}.platform-mark[fill=none]{fill:none;stroke:currentColor;stroke-width:1.6}.platform-row h4{font-size:24px;line-height:1.25;margin-bottom:8px}.platform-row p{font-size:14px;line-height:1.65}.platform-row .platform-download{justify-self:end;align-self:center;width:144px;min-height:48px;background:var(--ui-active);color:var(--ui-muted);font-size:16px;font-weight:500;opacity:1;cursor:default}.platform-tail{margin-top:auto;min-height:112px;display:flex;flex-direction:column;align-items:flex-start;justify-content:space-between;gap:12px}.platform-note{font-size:16px;color:var(--muted)}.platform-tail>.text-link{font-size:16px}
@media(max-width:1100px){.platform-group{padding:24px}.platform-row{grid-template-columns:minmax(0,1fr) 120px;gap:16px}.platform-row .platform-download{width:120px}.platform-identity{gap:12px}.platform-mark{width:24px;height:24px;flex-basis:24px}.platform-row h4{font-size:22px}}
@media(max-width:900px){.platform-section{padding-block:64px}.platform-intro{gap:12px 32px}.platform-intro h2{font-size:36px}.platform-intro>p{font-size:16px}.platform-groups{gap:20px}.platform-group{padding:24px;gap:20px}.platform-group-title>h3{font-size:26px}.platform-row{grid-template-columns:minmax(0,1fr) 88px;gap:12px;min-height:112px}.platform-row .platform-download{width:88px}.platform-row h4{font-size:22px}.platform-identity{gap:10px}.platform-tail{min-height:140px}.platform-note{font-size:16px}}
@media(max-width:700px){.platform-intro{display:flex;flex-direction:column;gap:16px}.platform-intro h2{font-size:32px}.platform-groups{grid-template-columns:1fr;gap:24px}.platform-group{padding:24px;gap:20px}.platform-group-title{min-height:64px}.platform-row{grid-template-columns:minmax(0,1fr) 128px;gap:16px;min-height:100px}.platform-row .platform-download{width:128px}.platform-identity{gap:12px}.platform-row h4{font-size:24px}.platform-tail{min-height:112px}.platform-section{padding-block:56px}}
@media(max-width:359px){.platform-row{grid-template-columns:minmax(0,1fr) 88px;gap:12px}.platform-row .platform-download{width:88px}.platform-row h4{font-size:22px}.platform-group{padding:20px}}