:root{--font:"Space Grotesk","Segoe UI",system-ui,sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,monospace;--blue:#2f6bff;--blue-text:#1f54e0;--blue-strong:#1f54e0;--blue-soft:rgba(47,107,255,0.09);--grey-50:#f7f8fa;--grey-100:#eef0f4;--grey-200:#e2e5ec;--grey-300:#cbd0db;--grey-500:#6b7280;--grey-700:#374151;--grey-900:#111318;--gradient:linear-gradient(90deg,#2f6bff 0%,#5a4fcf 35%,#7c3aed 65%,#f43f8c 100%);--pink:#f43f8c;--ink-strong:#0c1734;--ink:#213055;--ink-soft:#67789e;--on-blue:#ffffff;--on-dark:#ffffff;--on-dark-soft:rgba(255,255,255,0.72);--surface:#f6f9ff;--surface-alt:#edf2ff;--surface-card:#ffffff;--surface-dark:#0c1734;--line:rgba(24,52,132,0.1);--line-strong:rgba(24,52,132,0.18);--success:#16a34a;--success-text:#157f3c;--success-soft:rgba(22,163,74,0.08);--warning:#b45309;--warning-soft:rgba(180,83,9,0.08);--danger:#c0392b;--danger-soft:rgba(192,57,43,0.08);--space-1:4px;--space-2:8px;--space-3:12px;--space-4:16px;--space-5:24px;--space-6:32px;--space-7:48px;--space-8:64px;--space-9:96px;--section-space:clamp(56px,8vw,88px);--section-space-tight:clamp(28px,4vw,40px);--width-page:1200px;--width-prose:760px;--width-form:640px;--gutter:clamp(16px,4vw,28px);--radius-sm:10px;--radius-md:16px;--radius-lg:22px;--radius-pill:999px;--shadow-sm:0 2px 8px rgba(18,41,111,0.06);--shadow-md:0 4px 24px rgba(18,41,111,0.08);--shadow-lg:0 18px 40px rgba(18,41,111,0.1);--transition:0.2s ease}