:root{
/* Families — Poppins carries the brand, Source Serif carries the reading. */
--font-sans:Poppins,"Helvetica Neue",Arial,sans-serif;
--font-serif:"Source Serif 4",Georgia,"Times New Roman",serif;
--font-mono:"JetBrains Mono",ui-monospace,SFMono-Regular,Menlo,monospace;

/* Weights actually used — the brand never goes above 500 in Poppins. */
--fw-extralight:200; /* @kind font */  /* display, sub-brand wordmarks */
--fw-light:300; /* @kind font */       /* default for running UI text */
--fw-regular:400; /* @kind font */     /* "RTT" in lockups, H2 */
--fw-medium:500; /* @kind font */      /* buttons, labels, eyebrows */

/* Product / UI scale (Poppins) */
--type-display:56px;    --lh-display:60px;    --ls-display:-0.01em;
--type-h1:34px;         --lh-h1:40px;
--type-h2:22px;         --lh-h2:28px;
--type-body:16px;       --lh-body:26px;
--type-body-sm:15px;    --lh-body-sm:24px;
--type-caption:13px;    --lh-caption:20px;
--type-label:11px;      --lh-label:16px;      --ls-label:0.18em;
--ls-eyebrow:0.24em;    /* uppercase eyebrows above headings */
--ls-section:0.22em;    /* numbered section headings */
--ls-lockup:0.36em;     /* letterspaced wordmark under a stacked mark */

/* Publishing / print scale (Source Serif 4) */
--type-title:52px;      --lh-title:1.05; /* @kind other */
--type-chapter:27px;    --lh-chapter:1.25; /* @kind other */
--type-prose:17px;      --lh-prose:1.75; /* @kind other */   /* 10.5/16pt in print */
--type-quote:18px;      --lh-quote:1.55; /* @kind other */
--type-note:12px;       --lh-note:1.6; /* @kind other */
--measure-prose:62ch; /* @kind other */   /* 62–72 characters per line */
}