@font-face{font-family:'DM Sans';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/dmsans.woff2) format('woff2')}
@font-face{font-family:'Playfair Display';font-style:normal;font-weight:700;font-display:swap;src:url(/assets/fonts/playfair-700.woff2) format('woff2')}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
:root{--cream:#FAF7F2;--warm-white:#FFFEF9;--ink:#1A1410;--ink-light:#5C5047;--ink-mid:#7A6E64;--ink-faint:#C4B8AD;--ember:#B8401A;--ember-dark:#97330F;--ember-light:#F6E1D7;--gold:#735716;--gold-light:#F5EACC;--teal:#1E6E6A;--teal-light:#DDF0EE;--border:#E8E0D5;--serif:'Playfair Display',Georgia,'Times New Roman',serif;--sans:'DM Sans',system-ui,-apple-system,'Segoe UI',Roboto,sans-serif;--radius:16px}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important;animation:none!important}}
h1,h2,.section-title,.answer .big,.chip .v,.input-wrap input,.input-wrap select,td.gm,.rowbtn,.heat-name,.guide-grid strong,.faq summary{font-variant-numeric:lining-nums;font-feature-settings:'lnum' 1}
body{font-family:var(--sans);background:var(--cream);color:var(--ink);font-size:16px;line-height:1.6;min-height:100vh}
a{color:var(--ember)}
a:hover{color:var(--ember-dark)}
:focus-visible{outline:3px solid var(--ember);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-9999px;top:0;background:var(--ink);color:#fff;padding:.5rem 1rem;z-index:999}
.skip:focus{left:1rem;top:1rem}
.container{max-width:780px;margin:0 auto;padding:0 1.25rem}
/* nav */
.site-nav{position:sticky;top:0;z-index:50;background:rgba(250,247,242,.96);backdrop-filter:blur(8px);border-bottom:1px solid var(--border)}
.site-nav .container{max-width:1100px;display:flex;align-items:center;gap:1rem;min-height:56px}
.nav-logo{font-family:var(--serif);font-weight:700;font-size:1.15rem;color:var(--ember);text-decoration:none;display:flex;align-items:center;gap:6px;white-space:nowrap}
.nav-logo svg{width:22px;height:22px}
.nav-links{display:flex;gap:.15rem;margin-left:auto;overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch}
.nav-links::-webkit-scrollbar{display:none}
.nav-links a{font-size:14px;color:var(--ink-light);text-decoration:none;padding:.4rem .7rem;border-radius:8px;white-space:nowrap}
.nav-links a:hover{background:var(--ember-light);color:var(--ember-dark)}
.nav-links a[aria-current="page"]{color:var(--ember-dark);font-weight:500;background:var(--ember-light)}
@media (max-width:640px){.site-nav .container{flex-wrap:wrap;gap:0;padding-top:.5rem}.nav-links{margin-left:-.7rem;width:calc(100% + 1.4rem);padding-bottom:.35rem}.nav-links a{font-size:13px;padding:.35rem .6rem}}
/* breadcrumbs */
.crumbs{font-size:13px;color:var(--ink-mid);padding-top:1rem}
.crumbs a{color:var(--ink-light);text-decoration:underline;text-decoration-color:var(--ink-faint);text-underline-offset:2px}
.crumbs a:hover{color:var(--ember)}
.crumbs span[aria-hidden]{margin:0 .35rem;color:var(--ink-faint)}
/* hero */
.hero{padding:2rem 0 1.25rem;text-align:center}
.eyebrow{font-size:12px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ember);margin-bottom:.6rem}
h1{font-family:var(--serif);font-weight:700;font-size:clamp(1.9rem,5vw,3rem);line-height:1.15;margin-bottom:.7rem}
h1 span{color:var(--ember)}
.lede{font-size:16px;color:var(--ink-light);max-width:560px;margin:0 auto}
.updated{font-size:13px;color:var(--ink-mid);margin-top:.6rem}
/* sections */
main{display:block;padding-bottom:1rem}
h2,.section-title{font-family:var(--serif);font-weight:700;font-size:1.4rem;line-height:1.25;margin:2.25rem 0 .85rem;color:var(--ink)}
h3{font-family:var(--sans);font-weight:700;font-size:1.05rem;margin:1.4rem 0 .4rem}
.prose p,.prose li{color:var(--ink-light);font-size:16px}
.prose a,.muted a,.note a,.faq a,.lede a,.aff small a{text-decoration:underline;text-underline-offset:2px}
.prose p{margin:0 0 .9rem}
.prose ul,.prose ol{margin:0 0 1rem 1.25rem}
.prose li{margin:.25rem 0}
.prose strong{color:var(--ink)}
.note{font-size:14px;color:var(--ink-light);background:var(--gold-light);border-radius:12px;padding:.85rem 1rem;margin:1rem 0}
.note strong{color:var(--ink)}
/* cards */
.card{background:var(--warm-white);border:1px solid var(--border);border-radius:20px;padding:1.5rem;box-shadow:0 2px 24px rgba(26,20,16,.06),0 1px 4px rgba(26,20,16,.04);margin:1rem 0 1.5rem}
@media (max-width:520px){.card{padding:1.1rem;border-radius:16px}}
/* converter */
.inputs-row{display:grid;grid-template-columns:1fr 1fr 1fr;gap:1rem}
@media (max-width:560px){.inputs-row{grid-template-columns:1fr 1fr}.inputs-row .gm-group{grid-column:1 / -1}}
.field{display:flex;flex-direction:column;gap:6px;min-width:0}
.field label,.field .lbl{font-size:12px;font-weight:500;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-light)}
.input-wrap{position:relative;display:flex;align-items:center}
.input-wrap input,.input-wrap select{width:100%;padding:.7rem 2.6rem .7rem .9rem;font-family:var(--serif);font-weight:700;font-size:1.5rem;color:var(--ink);background:var(--cream);border:1.5px solid var(--border);border-radius:12px;outline:none;appearance:none;-webkit-appearance:none;-moz-appearance:textfield;min-height:56px}
.input-wrap select{cursor:pointer;background-image:linear-gradient(45deg,transparent 50%,var(--ink-light) 50%),linear-gradient(135deg,var(--ink-light) 50%,transparent 50%);background-position:calc(100% - 22px) 50%,calc(100% - 16px) 50%;background-size:6px 6px;background-repeat:no-repeat;padding-right:2.4rem}
.input-wrap input::-webkit-outer-spin-button,.input-wrap input::-webkit-inner-spin-button{-webkit-appearance:none;margin:0}
.input-wrap input:focus,.input-wrap select:focus{border-color:var(--ember);background:#fff;box-shadow:0 0 0 3px rgba(184,64,26,.15)}
.input-wrap input.src,.input-wrap select.src{border-color:var(--ember);background:#FFF8F5}
.unit{position:absolute;right:.8rem;font-size:14px;font-weight:500;color:var(--ink-mid);pointer-events:none}
.result{margin-top:1.1rem;padding-top:1.1rem;border-top:1px solid var(--border)}
.result-main{font-size:15px;color:var(--ink-light);min-height:1.6em}
.result-main strong{color:var(--ink)}
.result-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:.6rem;margin-top:.85rem}
.chip{background:var(--cream);border:1px solid var(--border);border-radius:12px;padding:.6rem .8rem}
.chip .k{display:block;font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-mid)}
.chip .v{display:block;font-family:var(--serif);font-weight:700;font-size:1.15rem;color:var(--ink)}
.chip .s{display:block;font-size:12px;color:var(--ink-mid)}
.meter{height:8px;background:var(--border);border-radius:99px;overflow:hidden;margin-top:1rem}
.meter i{display:block;height:100%;width:0;border-radius:99px;background:linear-gradient(90deg,#4A9EE0,#7DC855,#F0A030,#C94A1E);background-size:600px 100%;transition:width .35s ease}
.heat-row{display:flex;justify-content:space-between;gap:1rem;align-items:baseline;margin-top:.9rem;flex-wrap:wrap}
.heat-name{font-family:var(--serif);font-weight:700;font-size:1.1rem}
.heat-desc{font-size:14px;color:var(--ink-light)}
.err{color:#9B1C1C;font-size:14px;margin-top:.5rem;min-height:0}
.tabs{display:inline-flex;background:var(--cream);border:1px solid var(--border);border-radius:12px;padding:4px;gap:4px;flex-wrap:wrap}
.tabs button{font:500 14px var(--sans);border:0;background:transparent;color:var(--ink-light);padding:.5rem .9rem;border-radius:9px;cursor:pointer;min-height:40px}
.tabs button[aria-pressed="true"]{background:var(--warm-white);color:var(--ember);box-shadow:0 1px 4px rgba(26,20,16,.1)}
.tool-controls{display:flex;gap:.75rem;flex-wrap:wrap;margin-bottom:1rem}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media (max-width:520px){.two-col{grid-template-columns:1fr}.tool-controls .tabs{display:flex;width:100%}.tool-controls .tabs button{flex:1}}
.btn{display:inline-flex;align-items:center;gap:.4rem;font:500 14px var(--sans);background:var(--ember);color:#fff;border:0;border-radius:10px;padding:.6rem 1rem;cursor:pointer;text-decoration:none;min-height:42px}
.btn:hover{background:var(--ember-dark);color:#fff}
.btn.ghost{background:transparent;color:var(--ember);border:1.5px solid var(--ember)}
.btn.ghost:hover{background:var(--ember-light);color:var(--ember-dark)}
/* answer card (temperature pages) */
.answer{text-align:center}
.answer .label{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:var(--ink-mid)}
.answer .big{font-family:var(--serif);font-weight:700;font-size:clamp(3rem,10vw,4.5rem);line-height:1.05;color:var(--ember);margin:.25rem 0}
.answer .big small{font-size:.45em;color:var(--ink-mid)}
.answer .sub{color:var(--ink-light);font-size:15px}
.answer .result-grid{text-align:left}
/* tables */
.table-wrap{background:var(--warm-white);border:1px solid var(--border);border-radius:var(--radius);overflow-x:auto;margin:0 0 1.25rem;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:collapse;font-size:15px}
caption{caption-side:top;text-align:left;font-size:13px;color:var(--ink-mid);padding:.7rem 1rem 0}
th{font-size:12px;font-weight:500;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-light);background:var(--cream);text-align:left;padding:.7rem .9rem;border-bottom:1px solid var(--border);white-space:nowrap}
td{padding:.6rem .9rem;border-bottom:1px solid var(--border);color:var(--ink);vertical-align:top}
tr:last-child td{border-bottom:0}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
td.gm{font-family:var(--serif);font-weight:700;white-space:nowrap}
tbody tr.on{background:var(--ember-light)}
tbody tr.on .rowbtn{color:var(--ember-dark)}
tbody tr.here{background:var(--gold-light)}
td a{text-decoration:none}
td a:hover{text-decoration:underline}
.rowbtn{font:inherit;font-weight:700;color:var(--ember);background:none;border:0;cursor:pointer;padding:0;text-align:left;text-decoration:underline;text-decoration-color:var(--ember-light);text-underline-offset:3px}
.rowbtn:hover{text-decoration-color:var(--ember)}
.muted{color:var(--ink-mid);font-size:13px}
@media (max-width:560px){table{font-size:14px}th,td{padding:.55rem .6rem}.hide-sm{display:none}}
.pill{display:inline-block;font-size:12px;font-weight:500;padding:2px 9px;border-radius:99px;white-space:nowrap}
.h-cool{background:#DDEEF8;color:#1A5F8A}.h-low{background:#E5F2D8;color:#2F6A12}.h-medium{background:var(--gold-light);color:var(--gold)}.h-high{background:var(--ember-light);color:var(--ember-dark)}.h-very-high{background:#F6D3C8;color:#7A1E00}.h-extreme{background:#3A2A22;color:#FFE8DC}
/* link grids */
.pill-grid{display:flex;flex-wrap:wrap;gap:.5rem;margin:.5rem 0 1rem}
.pill-grid a{display:inline-block;font-size:14px;padding:.4rem .8rem;border-radius:99px;background:var(--warm-white);border:1px solid var(--border);color:var(--ink-light);text-decoration:none}
.pill-grid a:hover{border-color:var(--ember);color:var(--ember)}
.pill-grid a[aria-current="page"]{background:var(--ember);border-color:var(--ember);color:#fff}
.guide-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:.75rem;margin:.5rem 0 1rem}
.guide-grid a{display:block;background:var(--warm-white);border:1px solid var(--border);border-radius:14px;padding:1rem;text-decoration:none;color:var(--ink)}
.guide-grid a:hover{border-color:var(--ember)}
.guide-grid strong{display:block;font-family:var(--serif);font-size:1.05rem;margin-bottom:.2rem}
.guide-grid span{font-size:14px;color:var(--ink-light)}
/* faq */
.faq details{border-bottom:1px solid var(--border);padding:.9rem 0}
.faq summary{font-family:var(--serif);font-weight:700;font-size:1.05rem;cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--ember);font-family:var(--sans);font-weight:500;font-size:1.3rem;line-height:1}
.faq details[open] summary::after{content:'−'}
.faq details p{margin-top:.5rem;color:var(--ink-light);font-size:15px}
/* steps */
.math{font-variant-numeric:tabular-nums;background:var(--warm-white);border:1px solid var(--border);border-radius:12px;padding:.85rem 1rem;color:var(--ink);font-size:15px;margin:.5rem 0 1rem}
/* affiliate */
.aff{background:var(--teal-light);border:1px solid #BFE0DC;border-radius:16px;padding:1rem 1.15rem;margin:1.5rem 0}
.aff h3{margin:0 0 .35rem;font-size:1rem;color:var(--teal)}
.aff p{font-size:14px;color:var(--ink-light);margin:0 0 .6rem}
.aff ul{margin:0 0 .7rem 1.1rem;font-size:14px;color:var(--ink-light)}
.aff .btn{background:var(--teal)}
.aff .btn:hover{background:#155651}
.aff small{display:block;font-size:12px;color:var(--ink-mid);margin-top:.6rem}
/* footer */
footer{margin-top:2.5rem;border-top:1px solid var(--border);padding:2rem 0 3rem;font-size:14px;color:var(--ink-light)}
.foot-cols{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:1.25rem}
.foot-cols h2{font-family:var(--sans);font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--ink-mid);margin:0 0 .5rem}
.foot-cols ul{list-style:none}
.foot-cols li{margin:.2rem 0}
footer a{color:var(--ink-light);text-decoration:none}
footer a:hover{color:var(--ember);text-decoration:underline}
.foot-note{margin-top:1.5rem;font-size:13px;color:var(--ink-mid)}
.copy-ok{font-size:13px;color:var(--teal);min-height:1.2em;margin-top:.4rem}
.center{text-align:center}
.print-only{display:none}
@media print{
  .site-nav,footer,.no-print,.aff,.crumbs,.skip{display:none!important}
  .print-only{display:block}
  body{background:#fff;font-size:11pt}
  .container{max-width:none;padding:0}
  .table-wrap{border:1px solid #999;border-radius:0;overflow:visible;break-inside:avoid}
  th{background:#eee!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  td,th{padding:4pt 6pt}
  h1{font-size:20pt}h2{font-size:14pt;margin:12pt 0 6pt}
  a{color:#000;text-decoration:none}
  .hero{padding:0 0 8pt}
  h2{break-after:avoid}
  .print-break{break-before:page}
}