:root,:root[data-theme=light]{--bg:#fbfbfe;--bg-elev:#fff;--fg:#0f1020;--fg-soft:#1f2133;--muted:#6b6e82;--accent:#6d28d9;--brand:#7c3aed;--brand-dim:#6d28d9;--brand-soft:#a78bfa;--brand-glow:rgba(124,58,237,.22);--brand-surface:rgba(124,58,237,.06);--border:#e6e6ef;--border-strong:#d9d9e4;--card-shadow:0 1px 0 hsla(0,0%,100%,.9) inset,0 24px 48px -24px rgba(30,20,80,.18),0 0 0 1px rgba(124,58,237,.05);--page-glow:radial-gradient(1200px 600px at 50% -220px,rgba(167,139,250,.22),transparent 60%);--header-bg:rgba(251,251,254,.75);--surface-subtle:rgba(15,16,32,.02);--title-accent-from:#7c3aed;--title-accent-to:#4c1d95;--badge-fg:#4c1d95;--hi-card-top:#f4f4fb;--hi-card-bot:#eceafc;--hi-header-bg:#e9e7f7;--hi-face-bg:#d8d6e8;--hi-qr-bg:#d8d6e8}:root[data-theme=dark]{--bg:#0b0c0f;--bg-elev:#14151a;--fg:#eef0f4;--fg-soft:#dcdde2;--muted:#9a9aa2;--accent:#a78bfa;--brand:#a78bfa;--brand-dim:#8b5cf6;--brand-soft:#c4b5fd;--brand-glow:rgba(167,139,250,.28);--brand-surface:rgba(139,92,246,.1);--border:#26282e;--border-strong:#2f323a;--card-shadow:0 1px 0 hsla(0,0%,100%,.03) inset,0 20px 40px -20px rgba(0,0,0,.6),0 0 0 1px rgba(139,92,246,.06);--page-glow:radial-gradient(1200px 600px at 50% -200px,rgba(139,92,246,.1),transparent 60%);--header-bg:rgba(11,12,15,.75);--surface-subtle:hsla(0,0%,100%,.02);--title-accent-from:#c4b5fd;--title-accent-to:#8b5cf6;--badge-fg:#d8ccff;--hi-card-top:#1a1c22;--hi-card-bot:#14161c;--hi-header-bg:#22242c;--hi-face-bg:#2e3038;--hi-qr-bg:#2e3038}@media (prefers-color-scheme:dark){:root:not([data-theme]){--bg:#0b0c0f;--bg-elev:#14151a;--fg:#eef0f4;--fg-soft:#dcdde2;--muted:#9a9aa2;--accent:#a78bfa;--brand:#a78bfa;--brand-dim:#8b5cf6;--brand-soft:#c4b5fd;--brand-glow:rgba(167,139,250,.28);--brand-surface:rgba(139,92,246,.1);--border:#26282e;--border-strong:#2f323a;--card-shadow:0 1px 0 hsla(0,0%,100%,.03) inset,0 20px 40px -20px rgba(0,0,0,.6),0 0 0 1px rgba(139,92,246,.06);--page-glow:radial-gradient(1200px 600px at 50% -200px,rgba(139,92,246,.1),transparent 60%);--header-bg:rgba(11,12,15,.75);--surface-subtle:hsla(0,0%,100%,.02);--title-accent-from:#c4b5fd;--title-accent-to:#8b5cf6;--badge-fg:#d8ccff;--hi-card-top:#1a1c22;--hi-card-bot:#14161c;--hi-header-bg:#22242c;--hi-face-bg:#2e3038;--hi-qr-bg:#2e3038}}*{box-sizing:border-box}body,html{margin:0;padding:0;background:var(--page-glow),var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,sans-serif;min-height:100vh;-webkit-font-smoothing:antialiased}a{color:var(--brand)}.site-header{border-bottom:1px solid var(--border);background:var(--header-bg);backdrop-filter:saturate(140%) blur(12px);-webkit-backdrop-filter:saturate(140%) blur(12px);position:-webkit-sticky;position:sticky;top:0;z-index:10}.site-header-inner{max-width:1120px;margin:0 auto;padding:14px 24px;display:flex;align-items:center;gap:16px}.site-header-brand{color:var(--fg);text-decoration:none;font-weight:700;font-size:17px;letter-spacing:-.01em;white-space:nowrap}.site-header-nav{display:none;gap:24px;margin-left:auto;font-size:14px}.site-header-nav a{color:var(--muted);text-decoration:none;white-space:nowrap;transition:color .15s}.site-header-nav a:hover{color:var(--fg)}.site-header-cta{margin-left:auto;padding:9px 18px;border:1px solid transparent;border-radius:10px;color:#fff;text-decoration:none;font-size:14px;font-weight:600;white-space:nowrap;background:linear-gradient(180deg,var(--brand-soft) 0,var(--brand) 100%);box-shadow:0 8px 20px -10px var(--brand-glow),inset 0 1px 0 hsla(0,0%,100%,.2);transition:box-shadow .16s,transform .16s,filter .16s}.site-header-cta:hover{filter:brightness(1.05);box-shadow:0 10px 24px -10px var(--brand-glow),inset 0 1px 0 hsla(0,0%,100%,.25);transform:translateY(-1px)}.theme-toggle{margin-left:auto;display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;border:1px solid var(--border-strong);background:var(--surface-subtle);color:var(--fg);cursor:pointer;padding:0;transition:background .15s,border-color .15s}.theme-toggle:hover{background:var(--brand-surface);border-color:var(--brand)}.theme-toggle-icon{width:16px;height:16px}.mobile-menu-root{position:relative;display:flex;align-items:center}.mobile-menu-toggle{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:10px;border:1px solid var(--border-strong);background:var(--surface-subtle);color:var(--fg);cursor:pointer;padding:0;transition:background .15s,border-color .15s}.mobile-menu-toggle:hover{background:var(--brand-surface);border-color:var(--brand)}.mobile-nav{display:none;position:absolute;top:calc(100% + 8px);right:0;min-width:200px;background:var(--bg-elev);border:1px solid var(--border-strong);border-radius:12px;box-shadow:var(--card-shadow);padding:8px;flex-direction:column;gap:2px;opacity:0;transform:translateY(-6px);transition:opacity .15s ease,transform .15s ease;z-index:20}.mobile-nav--open{display:flex;opacity:1;transform:translateY(0)}.mobile-nav-link{display:block;padding:10px 12px;border-radius:8px;color:var(--muted);text-decoration:none;font-size:14px;font-weight:500;transition:background .12s,color .12s}.mobile-nav-link:hover{background:var(--brand-surface);color:var(--fg)}.mobile-nav-cta{display:block;margin-top:6px;padding:10px 12px;border-radius:8px;color:#fff;text-decoration:none;font-size:14px;font-weight:600;text-align:center;background:linear-gradient(180deg,var(--brand-soft) 0,var(--brand) 100%);box-shadow:0 4px 12px -6px var(--brand-glow);transition:filter .15s}.mobile-nav-cta:hover{filter:brightness(1.07)}.site-header-cta{display:none}@media (min-width:768px){.mobile-menu-root{display:none}.site-header-nav{display:flex}.site-header-cta{display:inline-flex;align-items:center}.site-header-cta,.theme-toggle{margin-left:0}.theme-toggle+.site-header-cta{margin-left:8px}}.hero-main{max-width:760px;margin:0 auto;padding:56px 24px 32px}.hero-col{display:flex;flex-direction:column;gap:16px}.hero-title{font-size:40px;line-height:1.08;letter-spacing:-.02em;font-weight:800;margin:10px 0 0;color:var(--fg)}.hero-title-accent{background:linear-gradient(135deg,var(--title-accent-from) 0,var(--title-accent-to) 80%);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-sub{color:var(--muted);font-size:16px;line-height:1.55;margin:4px 0 8px;max-width:52ch}.hero-card{background:var(--bg-elev);border:1px solid var(--border-strong);border-radius:16px;padding:20px;box-shadow:var(--card-shadow)}.hero-grid{display:grid;grid-template-columns:1fr;grid-gap:32px;gap:32px}.hero-illustration{display:flex;justify-content:center;margin:24px auto 8px;max-width:280px}@media (min-width:768px){.hero-main{max-width:1120px;padding:72px 32px 48px}.hero-title{font-size:56px}.hero-sub{font-size:18px}.hero-grid{grid-template-columns:1.05fr .95fr;align-items:start;gap:48px}.hero-illustration{margin:0;max-width:none}}.hero-badge{display:inline-flex;align-items:center;gap:6px;width:-moz-fit-content;width:fit-content;border:1px solid var(--brand);background:var(--brand-surface);border-radius:999px;padding:5px 12px;font-size:12px;font-weight:600;color:var(--badge-fg);letter-spacing:.02em}.chip{display:inline-block;border:1px solid var(--border-strong);background:var(--surface-subtle);border-radius:999px;color:var(--fg);padding:8px 14px;font-size:13px;font-weight:500;white-space:nowrap}.error-details{margin-top:10px;font-size:12px;color:var(--muted)}.error-details summary{cursor:pointer;-webkit-user-select:none;-moz-user-select:none;user-select:none;display:inline-block;padding:2px 0}.error-details summary:hover{color:var(--fg)}.error-details-body{position:relative;margin-top:8px;padding:10px 12px;border:1px solid var(--border-strong);border-radius:8px;background:var(--surface-subtle)}.error-details-body pre{margin:0;padding:0;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:11px;line-height:1.45;white-space:pre-wrap;word-break:break-word;color:var(--fg-soft)}.error-details-copy{position:absolute;top:6px;right:6px;padding:3px 10px;font-size:11px;font-weight:500;color:var(--fg);background:var(--bg-elev);border:1px solid var(--border-strong);border-radius:6px;cursor:pointer}.error-details-copy:hover{border-color:var(--brand);color:var(--brand)}.trust-line{font-size:12px;color:var(--muted);margin-top:16px;line-height:1.5}