.visual-boundaries{grid-template-columns:1fr 1fr;background:transparent;color:var(--ink);gap:1px}
.sun-event{position:relative;min-height:285px;overflow:hidden;padding:0!important;border:0!important}
.sun-event-image,.sun-event-shade{position:absolute;inset:0}
.sunrise-event .sun-event-image{background:url('sunrise-card.webp') center/cover}
.sunset-event .sun-event-image{background:url('sunset-card.webp') center/cover}
.sun-event-shade{background:linear-gradient(0deg,rgba(3,25,30,.9),rgba(3,25,30,.08) 75%),linear-gradient(90deg,rgba(3,25,30,.42),transparent)}
.sun-event-content{position:absolute;inset:0;padding:30px;display:flex;align-items:flex-end;gap:16px}
.sun-event-content small{color:rgba(255,255,255,.78)}
.sun-event-content strong{font-size:clamp(3.8rem,7vw,6rem);line-height:.85;color:#fff;text-shadow:0 2px 22px rgba(0,0,0,.3)}
.event-caption{display:block;font-size:.72rem;color:rgba(255,255,255,.68);margin-top:12px}
.visual-boundaries>p{grid-column:1/-1;background:var(--paper);color:var(--paper-ink);text-align:center;padding:14px!important;font-size:.72rem}
.science{padding:90px 0;border-bottom:1px solid var(--line)}
.science-intro{display:grid;grid-template-columns:.9fr 1.3fr;column-gap:70px;align-items:start}
.science-intro .eyebrow{grid-column:1/-1;margin-bottom:14px}
.science h2{font:500 clamp(2.6rem,5vw,4.4rem)/.98 Newsreader,serif;letter-spacing:-.035em;margin:0}
.science-intro>p:last-child{color:var(--muted);line-height:1.8;margin:5px 0 0}
.science-grid{display:grid;grid-template-columns:repeat(3,1fr);margin-top:55px;border:1px solid var(--line)}
.science-grid article{padding:25px;border-right:1px solid var(--line)}
.science-grid article:last-child{border:0}
.science-grid span{color:var(--gold);font-size:.7rem;letter-spacing:.12em}
.science-grid h3,.accuracy h3{font:600 1.35rem Newsreader,serif;margin:12px 0 8px}
.science-grid p,.accuracy p{color:var(--muted);font-size:.85rem;line-height:1.7;margin:0}
.science-grid strong{color:var(--ink)}
.formula{margin:20px 0;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;padding:20px 24px;background:rgba(4,30,36,.7);border:1px solid var(--line)}
.formula span,.formula small{color:var(--muted);font-size:.7rem}
.formula strong{text-align:center;font:500 1.1rem Newsreader,serif;color:var(--gold)}
.accuracy{display:grid;grid-template-columns:.6fr 1.4fr;gap:30px;padding-top:25px}
.accuracy h3{font-size:1.7rem;margin:0}.source-links{grid-column:2;display:flex;flex-wrap:wrap;gap:10px}
.source-links a{color:var(--ink);font-size:.75rem;border-bottom:1px solid var(--gold);padding-bottom:3px;text-decoration:none}
@media(max-width:700px){.visual-boundaries{grid-template-columns:1fr}.visual-boundaries>p{grid-column:auto}.sun-event{min-height:245px}.science{padding:65px 0}.science-intro,.accuracy{display:block}.science-intro>p:last-child,.accuracy p{margin-top:22px}.science-grid{grid-template-columns:1fr;margin-top:38px}.science-grid article{border-right:0;border-bottom:1px solid var(--line)}.formula{grid-template-columns:1fr;gap:8px}.formula strong{text-align:left}.source-links{margin-top:20px}}