:root{--pulso-deep: #0c3433;--pulso-ink: #17211f;--pulso-paper: #f7f3ec;--pulso-signal: #c4552b;--pulso-steel: #46606b;--pulso-bronze: #9a7b2d;--pulso-slate: #6b7472;--font-display: "Fraunces", Georgia, serif;--font-text: "Inter", system-ui, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace;--measure: 42rem}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--pulso-paper);color:var(--pulso-ink);font-family:var(--font-text);font-size:17px;line-height:1.6}a{color:var(--pulso-deep);text-decoration-color:var(--pulso-signal);text-underline-offset:3px}a:hover{color:var(--pulso-signal)}h1,h2,h3{font-family:var(--font-display);font-weight:560;line-height:1.15;color:var(--pulso-deep)}.wrap{max-width:72rem;margin:0 auto;padding:0 1.25rem}.measure{max-width:var(--measure)}.site-header{border-bottom:1px solid color-mix(in srgb,var(--pulso-deep) 18%,transparent)}.masthead-top{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;padding-top:1.1rem}.wordmark{font-family:var(--font-display);font-size:clamp(2.4rem,6vw,3.6rem);letter-spacing:.14em;font-weight:600;color:var(--pulso-deep);text-decoration:none;line-height:1}.wordmark:hover{color:var(--pulso-deep)}.descriptor{font-size:.85rem;color:var(--pulso-slate);letter-spacing:.04em}.lang-toggle{font-family:var(--font-mono);font-size:.8rem;white-space:nowrap}.lang-toggle .current{color:var(--pulso-ink);font-weight:600}.lang-toggle a{color:var(--pulso-slate);text-decoration:none}.lang-toggle a:hover{color:var(--pulso-signal)}.pulse-rule{display:block;width:100%;height:14px;margin:.4rem 0 0}.main-nav{display:flex;flex-wrap:wrap;gap:1.4rem;align-items:center;padding:.7rem 0 .9rem;font-size:.92rem}.main-nav a{text-decoration:none;color:var(--pulso-ink);letter-spacing:.02em}.main-nav a:hover{color:var(--pulso-signal)}.main-nav .cta{margin-left:auto;border:1px solid var(--pulso-deep);padding:.35rem .9rem;border-radius:999px;color:var(--pulso-deep)}.main-nav .cta:hover{border-color:var(--pulso-signal);color:var(--pulso-signal)}.kicker{font-family:var(--font-text);font-size:.78rem;font-weight:600;letter-spacing:.18em;text-transform:uppercase;margin:0 0 .6rem}.kicker-biology{color:var(--pulso-deep)}.kicker-technology{color:var(--pulso-steel)}.kicker-finance{color:var(--pulso-bronze)}.hero{padding:2.6rem 0 1.4rem}.hero h1{font-size:clamp(2rem,4.5vw,3.1rem);margin:0 0 .6rem}.hero .promise{font-size:1.15rem;max-width:38rem;color:var(--pulso-ink)}.tagline{font-family:var(--font-mono);font-size:.85rem;letter-spacing:.12em;color:var(--pulso-slate);text-transform:uppercase}.pillar-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(17rem,1fr));gap:2rem;padding:2rem 0}.article-card{border-top:2px solid var(--pulso-deep);padding-top:.9rem}.article-card.technology{border-top-color:var(--pulso-steel)}.article-card.finance{border-top-color:var(--pulso-bronze)}.article-card h3{margin:.2rem 0 .4rem;font-size:1.35rem}.article-card h3 a{text-decoration:none;color:inherit}.article-card h3 a:hover{color:var(--pulso-signal)}.article-card .dek{color:var(--pulso-ink);margin:0 0 .5rem}.meta{font-family:var(--font-mono);font-size:.76rem;color:var(--pulso-slate)}.section-head{display:flex;align-items:baseline;justify-content:space-between;border-bottom:1px solid color-mix(in srgb,var(--pulso-deep) 18%,transparent);padding-bottom:.4rem;margin-top:2.4rem}.section-head h2{margin:0;font-size:1.6rem}.article-head{padding-top:2.4rem}.article-head h1{font-size:clamp(2rem,4.5vw,3rem);margin:0 0 .7rem}.article-head .dek{font-size:1.2rem;line-height:1.5;max-width:var(--measure)}.byline{margin:1.1rem 0 .3rem;font-size:.98rem}.byline a{font-weight:600;text-decoration:none}.takeaway{border:1px solid var(--pulso-deep);border-left:4px solid var(--pulso-signal);padding:1.1rem 1.3rem;margin:1.8rem 0;background:color-mix(in srgb,var(--pulso-paper) 92%,white)}.takeaway h2{font-size:1.05rem;letter-spacing:.06em;text-transform:uppercase;font-family:var(--font-text);font-weight:700;margin:0 0 .6rem}.takeaway ul{margin:0;padding-left:1.2rem}.article-body{max-width:var(--measure);font-size:1.06rem}.article-body h2{margin-top:2rem}.references,.disclaimer,.corrections-log{max-width:var(--measure);margin-top:2.2rem;font-size:.92rem}.references h2,.corrections-log h2{font-size:1.15rem}.references ol{padding-left:1.3rem;color:var(--pulso-ink)}.disclaimer{border-top:1px solid color-mix(in srgb,var(--pulso-deep) 25%,transparent);padding-top:1rem;color:var(--pulso-slate)}.person-card{border:1px solid color-mix(in srgb,var(--pulso-deep) 22%,transparent);padding:1.1rem 1.3rem;margin:1rem 0;display:grid;grid-template-columns:64px 1fr;gap:1rem;max-width:var(--measure)}.avatar-placeholder{width:64px;height:64px;border-radius:50%;background:var(--pulso-deep);color:var(--pulso-paper);display:flex;align-items:center;justify-content:center;font-family:var(--font-display);font-size:1.3rem}.person-card h3{margin:0 0 .2rem;font-size:1.2rem}.person-card h3 a{text-decoration:none}.verified{font-family:var(--font-mono);font-size:.74rem;color:var(--pulso-deep);border:1px solid var(--pulso-deep);border-radius:999px;padding:.1rem .55rem;white-space:nowrap}.profile-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(16rem,1fr));gap:1.6rem;padding:1.6rem 0 2.6rem}.profile-head{padding-top:2.4rem;display:grid;grid-template-columns:96px 1fr;gap:1.4rem;align-items:center}.profile-head .avatar-placeholder{width:96px;height:96px;font-size:2rem}.facts{font-family:var(--font-mono);font-size:.82rem;color:var(--pulso-slate)}.signup{max-width:34rem;margin:1.4rem 0}.signup label{display:block;font-size:.9rem;font-weight:600;margin:.9rem 0 .3rem}.signup input,.signup select{width:100%;padding:.65rem .8rem;border:1px solid var(--pulso-slate);background:#fff;font:inherit;border-radius:4px}.signup button{margin-top:1.1rem;background:var(--pulso-deep);color:var(--pulso-paper);border:0;padding:.7rem 1.6rem;font:inherit;border-radius:999px;cursor:pointer}.signup button:hover{background:var(--pulso-signal)}.form-note{font-size:.85rem;color:var(--pulso-slate)}.embed-placeholder{border:1px dashed var(--pulso-slate);padding:2rem;text-align:center;color:var(--pulso-slate);margin:1.6rem 0;max-width:var(--measure)}.site-footer{margin-top:4rem;background:var(--pulso-deep);color:var(--pulso-paper)}.site-footer a{color:var(--pulso-paper)}.site-footer nav{display:flex;flex-wrap:wrap;gap:1.3rem;padding:1.6rem 0 .6rem;font-size:.92rem}.site-footer nav a{text-decoration:none}.site-footer nav a:hover{color:var(--pulso-paper);text-decoration:underline}.site-footer .fine{font-size:.8rem;opacity:.75;padding-bottom:1.8rem}.prose{max-width:var(--measure);padding-bottom:1rem}.prose h1{margin-top:2.4rem}