:root{--sipb-bg:#f3f1ec;--sipb-surface:#ebe8e2;--sipb-ink:#1b1d1c;--sipb-soft:#4a4f4c;--sipb-muted:#6f736f;--sipb-accent:#2f2d2a;--sipb-accent-hover:#4a4743;--sipb-line:#d9d5cc;--sipb-card:#fbfaf7;--sipb-font-heading:"Lora",serif;--sipb-font-body:"Nunito Sans",sans-serif;--sipb-space-sm:8px;--sipb-space-md:16px;--sipb-space-lg:32px;--sipb-space-xl:64px;--sipb-radius-sm:8px;--sipb-radius-md:14px;--sipb-radius-lg:16px;--sipb-shell:1040px;--sipb-paper:#f3f1ec;--sipb-paper-raised:#fbfaf7;--sipb-text-dark:#1b1d1c;--sipb-text-dark-soft:#4a4f4c;--sipb-accent-dark:#8a6d3b;--sipb-border-light:#d9d5cc;--sipb-reading:760px;--sipb-fs-display:clamp(34px,4.4vw,50px);--sipb-fs-h1:clamp(30px,3.6vw,42px);--sipb-fs-h2:clamp(24px,2.8vw,31px);--sipb-fs-h3:clamp(20px,2.2vw,24px);--sipb-fs-h4:18px;--sipb-fs-numeral:clamp(29px,3.3vw,39px);--sipb-fs-lead:17px;--sipb-fs-title:17px;--sipb-fs-body:16px;--sipb-fs-body-sm:14px;--sipb-fs-label:12px;--sipb-fs-micro:11px;--sipb-fs-prose:16px;--sipb-lh-display:1.1;--sipb-lh-heading:1.2;--sipb-lh-title:1.4;--sipb-lh-lead:1.6;--sipb-lh-body:1.7;--sipb-lh-prose:1.75;--sipb-paper-deep:#e7e5e0;--sipb-brass:#8a6d3b;--sipb-brass-light:#b89a5e;--sipb-graphite:#2f2d2a;--sipb-graphite-hover:#4a4743}