:root{--paper: #f6f1ea;--surface: #fffdf9;--ink: #26211d;--muted: #7c7369;--red: #d2232a;--red-deep: #a4161c;--red-soft: #fbe9e9;--line: #e8ddd0;--ok: #3d7a4a;--ok-soft: #e8f2ea;--radius: 16px;--radius-sm: 10px;--shadow: 0 10px 30px -18px rgba(38, 33, 29, .35)}*{box-sizing:border-box}html,body{margin:0;padding:0;background:var(--paper);color:var(--ink);font-family:IBM Plex Sans,-apple-system,Segoe UI,Helvetica,Arial,sans-serif;font-size:16px;line-height:1.55;-webkit-font-smoothing:antialiased}h1,h2,h3,.display{font-family:Bricolage Grotesque,IBM Plex Sans,sans-serif;font-weight:700;line-height:1.15;margin:0;letter-spacing:-.01em}a{color:var(--red-deep)}button{font:inherit;cursor:pointer}.num{font-variant-numeric:tabular-nums;font-family:IBM Plex Sans,sans-serif}.portal-shell{min-height:100dvh;display:flex;flex-direction:column}.portal-header{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px clamp(20px,4vw,40px);border-bottom:1px solid var(--line);background:color-mix(in srgb,var(--paper) 88%,#fff);position:sticky;top:0;z-index:20;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px)}.brand{display:flex;align-items:center;gap:12px;min-width:0}.brand svg{flex:0 0 auto}.brand-word{font-family:Bricolage Grotesque,sans-serif;font-weight:800;font-size:20px;letter-spacing:.02em;white-space:nowrap}.brand-sub{display:block;font-family:IBM Plex Sans,sans-serif;font-weight:500;font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}.btn-ghost{border:1px solid var(--line);background:var(--surface);color:var(--ink);border-radius:999px;padding:8px 16px;font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:8px}.btn-ghost:hover{border-color:var(--red);color:var(--red-deep)}.btn-primary{border:none;background:var(--red);color:#fff;border-radius:12px;padding:13px 26px;font-weight:600;font-size:15px;box-shadow:0 10px 20px -10px #d2232a8c;transition:background .15s 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