:root{--brand-red:#DF0000;--ink:#111111}
html,body{font-feature-settings:'liga' 1,'calt' 1}
body{font-family:Inter,ui-sans-serif,system-ui}
/* Portal button: black */
.btn-portal{background:#000;color:#fff;border:1px solid #000}
.btn-portal:hover{background:#111;color:#fff;border-color:#111}
.btn-portal--ghost{border:1px solid #000;color:#000}
.btn-portal--ghost:hover{background:#111;color:#fff}
/* Language toggle */
.lang-btn[data-active="true"]{background:#111;color:#fff;border-color:#111}
/* Calculator small button */
.calc-btn{display:inline-flex;align-items:center;gap:.5rem;padding:.45rem .7rem;border:1px solid #111;border-radius:.5rem;color:#111}
.calc-btn svg{height:1rem;width:1rem}
.calc-btn:hover{background:#111;color:#fff}
/* Sections */
.section-white{background:#ffffff}
.section-soft{background:linear-gradient(180deg,#fafafa 0%, #ffffff 100%)}
.section-tinted{background:linear-gradient(180deg,#fff5f5 0%, #ffffff 100%)}
/* Cards */
.card{border:1px solid #e5e7eb;border-radius:0.75rem;background:#fff}
.card:hover{border-color:#fca5a5}
/* Utilities */
.shadow-sm{box-shadow:0 1px 2px rgba(0,0,0,.05)}
.border-top{border-top-width:1px}
.prose-compact p{margin-top:.4rem;margin-bottom:.4rem}