.platform header{margin-bottom:56px}.platform-header{align-items:flex-start}.platform-tagline{margin-top:14px;font-family:var(--font-display);font-size:clamp(18px,3vw,24px);font-style:italic;color:var(--ink-soft)}.platform-main{min-height:40vh}.platform-card{max-width:520px;padding:32px 28px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius)}.platform-card-eyebrow{font-size:11px;font-weight:500;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-muted);margin-bottom:10px}.platform-card-title{font-family:var(--font-display);font-size:clamp(24px,4vw,32px);font-weight:400;margin-bottom:14px}.platform-card-text{color:var(--ink-soft);line-height:1.6;margin-bottom:24px}.platform-btn{display:inline-flex;align-items:center;justify-content:center;min-height:44px;padding:0 20px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg);color:var(--ink-muted);font-size:14px;font-weight:500}.platform-btn:disabled{cursor:not-allowed;opacity:.85}.platform-footer{margin-top:72px;padding-top:28px;border-top:1px solid var(--border)}.platform-footer p{font-size:13px;color:var(--ink-muted)}