body[data-view="research"] .prayer-view{display:none}
.research-view{display:none;padding-bottom:80px}
body[data-view="research"] .research-view{display:block}
.research-hero{padding:72px 0 50px;max-width:900px}
.research-hero h1{font:500 clamp(3.4rem,7vw,6.4rem)/.92 Newsreader,serif;letter-spacing:-.045em;margin:18px 0 24px}
.research-hero>p:last-child{max-width:720px;color:var(--muted);font-size:1rem;line-height:1.75}
.research-principle{border:1px solid var(--line);background:rgba(16,38,60,.78);padding:18px 22px;display:grid;grid-template-columns:auto 1fr 1fr;gap:24px;align-items:center;font-size:.78rem;color:var(--muted)}
.research-principle>strong{color:var(--gold);font:600 1.05rem Newsreader,serif}.research-principle b{color:var(--ink)}
.sun-depth-tool{margin:22px 0 90px;padding:34px;border:1px solid var(--line);background:linear-gradient(145deg,rgba(16,38,60,.96),rgba(8,22,38,.98));box-shadow:0 35px 80px rgba(0,0,0,.2)}
.tool-heading,.slider-row,.research-title,.buffer-research,.sources-panel{display:flex;justify-content:space-between;gap:30px;align-items:end}
.tool-heading h2,.research-title h2,.shaukat-panel h2,.buffer-research h2,.sources-panel h2{font:500 clamp(2.4rem,5vw,4rem)/1 Newsreader,serif;letter-spacing:-.035em;margin:10px 0 0}
.coordinate-chip{border:1px solid var(--line);padding:9px 13px;color:var(--muted);font-size:.72rem}
.sun-stats{display:grid;grid-template-columns:1fr 1fr;margin:30px 0 25px;border:1px solid var(--line)}
.sun-stats article{padding:22px;border-right:1px solid var(--line)}.sun-stats article:last-child{border:0}
.sun-stats span,.sun-stats small{display:block;color:var(--muted);font-size:.72rem}.sun-stats strong{display:block;font:500 clamp(1.8rem,4vw,3.1rem) Newsreader,serif;margin:5px 0}.sun-stats small{color:var(--gold)}
.slider-row{align-items:center;margin-bottom:10px}.slider-row label{font-size:.72rem;margin:0}.slider-row output{color:var(--gold);font-weight:700;font-size:.82rem}
.date-slider{width:100%;accent-color:var(--gold);cursor:pointer}
.horizon-key{display:flex;flex-wrap:wrap;gap:18px;margin:22px 0 8px;color:var(--muted);font-size:.68rem}.horizon-dot{display:inline-block;width:8px;height:8px;border-radius:50%;margin-right:6px}.horizon-dot.horizon{background:#f5d889}.horizon-dot.civil{background:#e99b56}.horizon-dot.nautical{background:#5fa7ad}.horizon-dot.prayer{background:#dbecea}
.chart-panel{margin-top:34px}.chart-panel h3{font:600 1.3rem Newsreader,serif;margin:0 0 13px}.chart-panel svg{display:block;width:100%;overflow:visible}.chart-panel svg text{fill:var(--ink);font:12px "DM Sans"}.chart-panel svg .muted{fill:var(--muted)}.chart-panel svg .grid{stroke:rgba(218,232,245,.12)}.chart-panel svg .frame{fill:rgba(3,15,28,.34);stroke:rgba(218,232,245,.16)}.chart-panel svg .curve{fill:none;stroke:var(--gold);stroke-width:3}.chart-panel svg .area{fill:url(#sunArea)}.chart-panel svg .threshold{stroke:var(--sky);stroke-width:1.2;stroke-dasharray:5 5}.chart-panel svg .horizon-line{stroke:#f5d889;stroke-width:2}.chart-panel svg .horizon-label{fill:#f5d889;font-weight:700}.chart-panel svg .guide{stroke:#fff;opacity:.42}.chart-panel svg .marker{fill:var(--gold);stroke:var(--deep);stroke-width:3}.chart-panel svg .bar-track{fill:rgba(218,232,245,.1)}.chart-panel svg .bar{fill:var(--gold)}
.diagram-note{margin:25px 0 0;border-left:3px solid var(--gold);padding:10px 15px;color:var(--muted);font-size:.82rem;line-height:1.65}
.research-copy,.method-research,.shaukat-panel,.buffer-research,.sources-panel{padding:70px 0;border-top:1px solid var(--line)}
.research-title{align-items:start}.research-title h2{max-width:670px}
.research-steps{display:grid;grid-template-columns:repeat(4,1fr);margin-top:40px;border:1px solid var(--line)}.research-steps article{padding:24px;border-right:1px solid var(--line)}.research-steps article:last-child{border:0}.research-steps>article>span{color:var(--gold);font-size:.7rem}.research-steps h3{font:600 1.25rem Newsreader,serif;margin:12px 0 8px}.research-steps p{color:var(--muted);font-size:.8rem;line-height:1.65;margin:0}
.research-formula{margin-top:20px}
.method-table{margin-top:40px;border:1px solid var(--line)}.method-row{display:grid;grid-template-columns:1fr .55fr .55fr 1.7fr;border-bottom:1px solid var(--line)}.method-row:last-child{border:0}.method-row>*{padding:16px 18px;border-right:1px solid var(--line);font-size:.8rem}.method-row>*:last-child{border:0;color:var(--muted)}.method-head{background:rgba(255,200,109,.1);color:var(--gold);text-transform:uppercase;letter-spacing:.1em}.method-head span{font-size:.65rem;color:var(--gold)!important}.method-caveat,.evidence-note{color:var(--muted);font-size:.8rem;line-height:1.7;margin:18px 0 0}
.shaukat-panel{display:grid;grid-template-columns:1fr 1fr;gap:50px}.shaukat-panel>div>p:last-child{color:var(--muted);line-height:1.75;font-size:.88rem}.shaukat-maths{display:grid;gap:10px}.shaukat-maths article{padding:20px;border:1px solid var(--line);background:rgba(16,38,60,.7)}.shaukat-maths span,.shaukat-maths small{display:block;color:var(--muted);font-size:.7rem}.shaukat-maths strong{display:block;color:var(--gold);font:500 1.18rem Newsreader,serif;margin:7px 0}.evidence-note{grid-column:1/-1;border-left:3px solid #d48b49;padding:10px 15px;background:rgba(212,139,73,.07)}.evidence-note b{color:var(--ink)}
.buffer-research>div:first-child{max-width:500px}.buffer-list{display:grid;min-width:min(100%,480px);border:1px solid var(--line)}.buffer-list span{padding:16px;border-bottom:1px solid var(--line);color:var(--muted);font-size:.8rem}.buffer-list span:last-child{border:0}.buffer-list b{display:inline-block;min-width:150px;color:var(--ink)}
.sources-panel{align-items:start}.sources-panel>div:first-child{max-width:460px}.source-stack{display:grid;min-width:min(100%,550px)}.source-stack a{display:flex;justify-content:space-between;gap:20px;padding:14px 0;border-bottom:1px solid var(--line);color:var(--ink);text-decoration:none;font-size:.78rem}.source-stack a span{color:var(--muted);text-align:right}.sources-panel>p{display:none}.research-link{border:0;border-bottom:1px solid var(--gold);background:transparent;color:var(--ink);font:600 .75rem "DM Sans";padding:0 0 3px;cursor:pointer}
@media(max-width:850px){.research-principle{grid-template-columns:1fr}.research-steps{grid-template-columns:1fr 1fr}.research-steps article:nth-child(2){border-right:0}.research-steps article{border-bottom:1px solid var(--line)}.shaukat-panel{grid-template-columns:1fr}.evidence-note{grid-column:auto}.buffer-research,.sources-panel{display:block}.buffer-list,.source-stack{margin-top:28px}}
@media(max-width:650px){.header-actions{gap:6px}.site-tab{padding:7px 10px}.locate-button #locateText{display:none}.locate-button{width:35px;height:35px;padding:0;display:grid;place-items:center}.research-hero{padding-top:48px}.research-principle{gap:10px}.sun-depth-tool{padding:21px;margin-bottom:65px}.tool-heading,.research-title{display:block}.coordinate-chip{display:inline-block;margin-top:16px}.sun-stats{grid-template-columns:1fr}.sun-stats article{border-right:0;border-bottom:1px solid var(--line)}.research-steps{grid-template-columns:1fr}.research-steps article{border-right:0}.method-row{grid-template-columns:1.1fr .55fr .55fr}.method-row>*:last-child{grid-column:1/-1;border-top:1px solid var(--line)}.method-head>*:last-child{display:none}.buffer-list b{display:block;margin-bottom:3px}.source-stack a{display:block}.source-stack a span{display:block;text-align:left;margin-top:4px}.research-copy,.method-research,.shaukat-panel,.buffer-research,.sources-panel{padding:55px 0}}