:root{--ink:#18333a;--muted:#53666a;--teal:#167e7a;--coral:#da654f;--gold:#d6a43a;--cream:#f7f4ec;--pale:#eaf3f0;--line:#cbd5d1;--white:#fff;--shadow:0 12px 35px rgba(24,51,58,.08)}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--cream);color:var(--ink);font:18px/1.55 system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif}a{color:var(--teal);text-underline-offset:3px}a:hover{text-decoration-thickness:2px}button,select,input{font:inherit}button,select{cursor:pointer}button:focus-visible,select:focus-visible,input:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid var(--coral);outline-offset:3px}.skip{position:absolute;left:10px;top:-100px;background:#fff;padding:10px;z-index:99}.skip:focus{top:10px}
.site-header{background:var(--ink);color:#fff;display:flex;justify-content:space-between;align-items:center;gap:30px;padding:17px max(5vw,calc((100vw - 1330px)/2));min-height:76px}.site-header a{color:#fff;text-decoration:none}.brand{display:flex;align-items:center;gap:12px;font-weight:750;white-space:nowrap}.brand-mark{display:grid;place-items:center;width:36px;height:36px;border-radius:9px;background:var(--coral);font-size:15px}.site-header nav{display:flex;gap:27px;flex-wrap:wrap;font-size:15px}.site-header nav a:hover{text-decoration:underline}
main{overflow:hidden}.hero{background:linear-gradient(128deg,#17333a 0%,#235b5d 74%,#287a74 100%);color:#fff;padding:84px max(5vw,calc((100vw - 1330px)/2)) 65px}.eyebrow,.section-number{font-size:14px;text-transform:uppercase;letter-spacing:.14em;font-weight:750}.eyebrow{color:#b7d8d2}.hero h1{font-size:clamp(49px,6vw,87px);line-height:1.05;letter-spacing:-.045em;margin:16px 0 24px}.intro{max-width:830px;font-size:clamp(20px,2.1vw,26px);line-height:1.47;margin:0}.hero-facts{display:flex;flex-wrap:wrap;gap:16px;margin:50px 0 25px}.hero-facts>div{padding:16px 24px;border:1px solid rgba(255,255,255,.24);border-radius:14px;min-width:200px;background:rgba(255,255,255,.08)}.hero-facts strong{display:block;font-size:27px;line-height:1.2}.hero-facts span{display:block;font-size:14px;color:#cce4de;margin-top:6px}.hero-note{color:#d7e7e3;font-size:15px;margin:0}
.section{padding:85px max(5vw,calc((100vw - 1330px)/2));max-width:1600px;margin:0 auto}.section.tinted{background:#edf3f0;max-width:none}.section-head{display:flex;justify-content:space-between;gap:52px;align-items:end;margin-bottom:32px}.section-number{color:var(--coral);margin:0 0 8px}.section-head h2{font-size:clamp(31px,3.2vw,48px);line-height:1.13;letter-spacing:-.03em;margin:0}.section-head>p{max-width:450px;color:var(--muted);margin:0}.card{background:#fff;border:1px solid #dce5e0;border-radius:18px;box-shadow:var(--shadow)}.date-layout{display:grid;grid-template-columns:minmax(300px,.9fr) minmax(450px,1.25fr);gap:22px}.date-controls,.chart-card,.daily-card{padding:28px}.fields{display:flex;gap:15px}.fields label{flex:1}label{display:block;font-weight:700;font-size:15px}select,input[type=date]{display:block;width:100%;background:#fff;color:var(--ink);border:1.5px solid #9fb7af;border-radius:9px;margin-top:7px;padding:11px 13px}.date-result{margin:28px 0 12px;min-height:160px}.date-result h3{font-size:36px;line-height:1.16;margin:0 0 12px}.date-result .big{font-size:clamp(28px,3vw,43px);font-weight:750;color:var(--teal);margin:0}.date-result p{margin:5px 0}.date-result .rank{font-weight:700}.note{font-size:14px;color:var(--muted);line-height:1.55}.subtle-button,.quick-years button{background:#e6f0ed;color:var(--ink);border:1px solid #bad1c8;border-radius:8px;padding:9px 13px;font-weight:700;font-size:14px}.subtle-button:hover,.quick-years button:hover{background:#d6eae2}.chart-heading h3{margin:0;font-size:22px}.chart-heading p{margin:2px 0 15px;color:var(--muted);font-size:15px}.chart-card svg,.daily-card svg{display:block;width:100%;height:auto;overflow:visible}.axis-months{display:flex;justify-content:space-between;color:var(--muted);font-size:13px;margin:0 4px 10px}.table-details{margin-top:22px;background:rgba(255,255,255,.6);border:1px solid var(--line);border-radius:10px;padding:14px 20px}.table-details summary{cursor:pointer;font-weight:700}table{border-collapse:collapse;width:100%;margin-top:13px}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}th{font-size:14px}td{font-variant-numeric:tabular-nums}
.control-row{display:flex;align-items:end;gap:25px;flex-wrap:wrap}.control-row>label{min-width:155px}.control-row input[type=range]{flex:1;min-width:230px;margin:0 0 14px;accent-color:var(--teal)}.control-row select{min-width:240px}.control-row output{font-size:23px;color:var(--teal)}.quick-years{display:flex;align-items:center;gap:9px;margin:19px 0;color:var(--muted);font-size:15px}.year-summary{font-size:21px;font-weight:650;margin:24px 0}.year-summary strong{color:var(--teal)}.month-grid{display:grid;grid-template-columns:repeat(12,minmax(0,1fr));gap:8px}.month-tile{min-width:0;border-radius:9px;padding:13px 4px;min-height:94px;text-align:center;display:flex;flex-direction:column;align-items:center;justify-content:center}.month-tile .month-name{font-weight:700;font-size:14px}.month-tile strong{font-size:22px;font-variant-numeric:tabular-nums;line-height:1.2}.month-tile span:last-child{font-size:12px}.month-tile.peak{box-shadow:inset 0 0 0 3px var(--coral)}.daily-card{margin-top:20px}.daily-focus{font-weight:650;margin:22px 0 3px}.findings-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}.finding{padding:26px}.finding strong{font-size:23px;color:var(--teal)}.finding p{margin:8px 0 0}.evidence-note{background:#fff;border-left:5px solid var(--coral);padding:18px 23px;margin-top:25px}.method-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:35px}.method-grid h3{margin:0;font-size:23px}.method-grid p{color:var(--muted)}.source-links{margin-top:36px}footer{display:flex;justify-content:space-between;gap:15px;padding:25px max(5vw,calc((100vw - 1330px)/2));background:var(--ink);color:#fff;font-size:14px}footer p{margin:0}footer a{color:#fff}
@media(max-width:1050px){.month-grid{grid-template-columns:repeat(6,minmax(0,1fr))}.date-layout{grid-template-columns:1fr}.site-header{align-items:start;flex-direction:column;gap:13px}.site-header nav{gap:18px}.section-head{align-items:start;flex-direction:column;gap:15px}.section-head>p{max-width:800px}}
@media(max-width:650px){body{font-size:16px}.site-header nav{font-size:13px;gap:12px}.hero{padding-top:57px}.hero-facts>div{flex:1 1 130px;min-width:0;padding:12px}.hero-facts strong{font-size:20px}.hero-facts span{font-size:12px}.section{padding-top:59px;padding-bottom:59px}.fields{gap:10px}.date-controls,.chart-card,.daily-card{padding:20px}.date-result h3{font-size:29px}.month-grid{grid-template-columns:repeat(4,minmax(0,1fr))}.month-tile{min-height:82px}.month-tile strong{font-size:19px}.findings-grid,.method-grid{grid-template-columns:1fr}.control-row{gap:12px}.control-row input[type=range]{min-width:100%;order:1}.control-row label{flex:1}.table-details{overflow-x:auto}footer{flex-direction:column}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}