/* English-only typography. Loaded after the theme; Korean Paperlogy is unchanged.
   Poppins: https://fonts.google.com/specimen/Poppins (SIL Open Font License). */
:root{
  --font:"Poppins","Noto Sans",-apple-system,BlinkMacSystemFont,"Segoe UI",Arial,sans-serif;
  --font-body:var(--font); --font-head:var(--font);
  --fw-h1:600; --fw-h:600; --fw-h3:600; --fw-btn:500;
}
body{ font-family:var(--font); font-weight:400; }
h1,h2,h3,h4,h5,h6,b,strong{ font-weight:600; }

/* Navigation and actions are lighter than headings. */
.btn,.btn.small,.btn.big,.learn-action,.brand-nav a,.course-tab,
.course-tab[aria-current="page"],.page-course .course-tab,
.classic-link,.lang select,.stage,.stage.is-active,.pos-btn,
.app-links a,.link-btn,.orbit-resource,.foot-menu summary,
.ls-zoom span,.ls-zoom-text,.solution summary,
.ls-quiz summary,.ls-teacher>summary{ font-weight:500; }

/* Section titles, card titles and emphasis: no heavy 700–900 text. */
.tile b,.ls-card b,.ls-h,.ls-box-h,.ls-tile b,.ls-col li.is-head,
.module h3,.thinking h3,.blk-group,.app-name,.blk-count,.m-cover-img figcaption,
.prep-item>summary,.pos-now,.progress-label,
.course-app-label,.course-list-heading>span,.mod-list b,
.ls-bar,.ls-table td:first-child,.ls-chart>figcaption,
.ls-tablet span,.ch-kpi-card em,.ch-stat i,.ch-mean span,
.ch-r,.ch-pred,.step-no,.step-note,.th-tag,.th-check,
.th-steps li,.use span,.ls-app{ font-weight:600; }
.app-lbl,.ls-gallery figcaption,.ls-tiles-note{ font-weight:400; }