.section-masthead{border-bottom:1px solid var(--fg);width:100%;padding:18px 0 16px}.section-masthead-row{grid-template-columns:minmax(170px,.48fr) minmax(320px,1.25fr) minmax(220px,.7fr);align-items:center;gap:clamp(22px,3.4vw,52px);min-height:72px;display:grid}.section-masthead-identity{gap:7px;min-width:0;display:grid}.section-masthead-identity>span,.section-masthead-meta{font-family:var(--font-mono);letter-spacing:.13em;text-transform:uppercase;color:var(--accent);font-size:9px;line-height:1.15}.section-masthead-identity h1{font-family:var(--font-display);letter-spacing:-.03em;margin:0;font-size:clamp(34px,3.3vw,46px);font-style:normal;font-weight:500;line-height:.92}.section-masthead-summary{border-left:1px solid var(--line-strong);max-width:68ch;font-family:var(--font-display);color:var(--fg-muted);margin:0;padding-left:clamp(18px,2.1vw,30px);font-size:clamp(14px,1.25vw,17px);font-style:italic;line-height:1.3}.section-masthead-utility{justify-self:stretch;gap:8px;min-width:0;display:grid}.section-masthead-meta{color:var(--fg-muted);text-align:right}.section-masthead-periods{min-width:0;margin-top:15px}@media (max-width:900px){.section-masthead-row{grid-template-columns:minmax(150px,.55fr) minmax(0,1.45fr);gap:20px 30px}.section-masthead-utility{grid-column:1/-1}.section-masthead-meta{text-align:left}}@media (max-width:620px){.section-masthead{padding:14px 0 13px}.section-masthead-row{grid-template-columns:1fr auto;align-items:end;gap:11px 16px;min-height:0}.section-masthead-identity{gap:5px}.section-masthead-identity h1{font-size:34px}.section-masthead-summary{border-top:1px solid var(--line);border-left:0;grid-area:2/1/auto/-1;max-width:46ch;padding:10px 0 0;font-size:14px}.section-masthead-utility{grid-area:3/1/auto/-1;grid-template-columns:minmax(0,1fr) auto;align-items:end;gap:14px}.section-masthead-meta{text-align:right;max-width:15ch;position:static}.section-masthead-meta:only-child{text-align:left;grid-column:1/-1;justify-self:start;max-width:none}.section-masthead-periods{margin-top:12px}}