/* The Thermostat product page. */

@font-face { font-family: "Fraunces"; src: url("/thermostat/app/fonts/fraunces.woff2") format("woff2"); font-weight: 100 900; font-style: normal; font-display: swap; }
@font-face { font-family: "Fraunces"; src: url("/thermostat/app/fonts/fraunces-italic.woff2") format("woff2"); font-weight: 100 900; font-style: italic; font-display: swap; }
@font-face { font-family: "Instrument Sans"; src: url("/thermostat/app/fonts/instrument-sans.woff2") format("woff2"); font-weight: 400 700; font-style: normal; font-display: swap; }
@font-face { font-family: "JetBrains Mono"; src: url("/thermostat/app/fonts/jetbrains-mono.woff2") format("woff2"); font-weight: 100 800; font-style: normal; font-display: swap; }

:root {
  --bg: #f6f3ec;
  --panel: #fffdf9;
  --panel-2: #efeadf;
  --ink: #1b1813;
  --ink-2: #5a5346;
  --ink-3: #8b8474;
  --line: #e4ddcf;
  --line-2: #d0c8b7;
  --warm: #d9531e;
  --warm-ink: #b4410f;
  --warm-soft: #fbeade;
  --cool-soft: #e5edfb;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Instrument Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Consolas, monospace;
  --gutter: clamp(18px, 4.5vw, 64px);
  color-scheme: light;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 400 17px/1.55 var(--sans); -webkit-font-smoothing: antialiased; overflow-x: hidden; }
h1, h2, h3, p, ul, ol, figure { margin: 0; padding: 0; }
ul, ol { list-style: none; }
a { color: inherit; text-decoration: none; }
:focus-visible { outline: 2px solid var(--warm); outline-offset: 3px; border-radius: 4px; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 var(--gutter); }
.small { font-size: 14px; }
.muted { color: var(--ink-2); }
.fine { font-size: 13px; color: var(--ink-3); }
.eyebrow { font: 500 12px/1 var(--mono); letter-spacing: .1em; text-transform: uppercase; color: var(--warm-ink); margin-bottom: 14px; }
.warm-t { color: var(--warm-ink); }

.top { position: sticky; top: 0; z-index: 20; display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 13px var(--gutter); background: rgba(246, 243, 236, .86); -webkit-backdrop-filter: blur(12px); backdrop-filter: blur(12px); border-bottom: 1px solid transparent; transition: border-color .2s ease; }
.top.scrolled { border-color: var(--line); }
.brand { display: inline-flex; align-items: center; gap: 9px; font: 450 21px var(--serif); letter-spacing: -.012em; }
.top nav { display: flex; align-items: center; gap: clamp(12px, 2.2vw, 26px); font-size: 15px; color: var(--ink-2); }
.top nav a:hover { color: var(--ink); }
.top .cta { color: #fff; background: var(--ink); padding: 8px 14px; border-radius: 9px; font-weight: 550; }
.top .cta:hover { background: var(--warm); color: #fff; }

.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 46px; padding: 0 22px; border-radius: 11px; border: 1px solid var(--line-2); background: var(--panel); font-weight: 600; font-size: 16px; transition: transform .12s ease, background .15s ease, border-color .15s ease; }
.btn:hover { border-color: var(--ink-3); transform: translateY(-1px); }
.btn-warm { background: var(--warm); border-color: var(--warm); color: #fff; }
.btn-warm:hover { background: var(--warm-ink); border-color: var(--warm-ink); }

.hero { max-width: 1280px; margin: 0 auto; padding: clamp(40px, 7vw, 90px) var(--gutter) clamp(56px, 8vw, 110px); display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1.04fr); gap: clamp(30px, 5vw, 72px); align-items: center; }
h1 { font: 370 clamp(46px, 6.6vw, 88px)/1 var(--serif); font-variation-settings: "SOFT" 60, "opsz" 144; letter-spacing: -.034em; }
h1 em { font-style: italic; font-weight: 340; color: var(--warm); font-variation-settings: "SOFT" 100, "WONK" 1, "opsz" 144; display: block; }
.lede { margin-top: 22px; font-size: clamp(18px, 1.55vw, 21px); line-height: 1.45; color: var(--ink-2); max-width: 30em; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.hero .fine { margin-top: 12px; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: 18px; box-shadow: 0 2px 4px rgba(40, 30, 10, .04), 0 30px 70px -40px rgba(120, 70, 20, .35); }
.result { padding: clamp(18px, 2.4vw, 30px); }
.result-top { display: flex; align-items: center; justify-content: space-between; gap: 10px; flex-wrap: wrap; }
.chip { display: inline-flex; align-items: center; gap: 7px; font-size: 12.5px; font-weight: 500; color: var(--ink-2); padding: 4px 10px; border: 1px solid var(--line); border-radius: 999px; white-space: nowrap; }
.chip i { width: 6px; height: 6px; border-radius: 50%; background: var(--warm); animation: breathe 2.2s ease-in-out infinite; }
@keyframes breathe { 50% { opacity: .35; } }
.verdict { margin: 18px 0 22px; font: 390 clamp(24px, 2.65vw, 35px)/1.15 var(--serif); font-variation-settings: "SOFT" 40, "opsz" 72; letter-spacing: -.018em; }
.verdict em { font-style: italic; color: var(--warm); }
.scale-head { display: flex; justify-content: space-between; padding-left: calc(10.5em + 10px); padding-right: calc(3.4em + 10px); margin-bottom: 7px; font-size: 12.5px; }
.rows { display: grid; gap: 8px; }
.r { display: grid; grid-template-columns: 10.5em minmax(0, 1fr) 3.4em; gap: 10px; align-items: center; font-size: 14px; }
.r b { font: 500 13px var(--mono); text-align: right; }
.track { position: relative; height: 24px; border-radius: 6px; background: linear-gradient(90deg, var(--cool-soft), transparent 42%, transparent 58%, var(--warm-soft)); }
.zero { position: absolute; left: 50%; top: 0; bottom: 0; width: 1px; background: var(--line-2); }
.bar { position: absolute; top: 50%; height: 7px; margin-top: -3.5px; border-radius: 4px; background: #a39b89; }
.bar.warm { background: var(--warm); }
.tick { position: absolute; top: 50%; width: 3px; height: 13px; margin: -6.5px 0 0 -1.5px; border-radius: 2px; background: var(--ink-2); box-shadow: 0 0 0 1.5px var(--panel); }
.tick.warm { background: var(--warm-ink); }
.result-foot { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; margin-top: 22px; }
.result-foot .fine { margin-left: auto; font: 400 11px var(--mono); }
.fake { display: inline-flex; align-items: center; height: 34px; padding: 0 13px; border: 1px solid var(--line-2); border-radius: 9px; font-size: 14px; font-weight: 550; }
.warm-b { background: var(--warm); border-color: var(--warm); color: #fff; }

.less { padding: clamp(60px, 9vw, 120px) 0; border-top: 1px solid var(--line); }
h2 { font: 370 clamp(34px, 4.4vw, 58px)/1.05 var(--serif); font-variation-settings: "SOFT" 60, "opsz" 144; letter-spacing: -.026em; }
.big { margin-top: 18px; font-size: clamp(18px, 1.5vw, 20px); line-height: 1.5; color: var(--ink-2); max-width: 32em; }
.two { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: clamp(30px, 6vw, 90px); align-items: center; }
.five { counter-reset: n; border-top: 1px solid var(--line-2); }
.five li { counter-increment: n; display: grid; grid-template-columns: 8.5em minmax(0, 1fr); gap: 14px; padding: 15px 0; border-bottom: 1px solid var(--line); align-items: baseline; }
.five b { font: 420 22px var(--serif); letter-spacing: -.01em; }
.five span { color: var(--ink-2); font-size: 15.5px; }

.fixes { padding: clamp(60px, 9vw, 120px) 0; background: var(--panel); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.narrow { max-width: 16em; }
.grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: clamp(22px, 3vw, 44px) clamp(22px, 3vw, 40px); margin-top: clamp(30px, 4vw, 52px); }
.grid h3 { font: 430 21px/1.2 var(--serif); letter-spacing: -.01em; margin-bottom: 8px; }
.grid p { color: var(--ink-2); font-size: 15.5px; }

.ai { padding: clamp(60px, 9vw, 120px) 0; }
.ticks { display: grid; gap: 12px; margin-top: 22px; }
.ticks li { padding-left: 20px; position: relative; color: var(--ink-2); }
.ticks li::before { content: ""; position: absolute; left: 0; top: .72em; width: 10px; height: 2px; background: var(--warm); border-radius: 1px; }
.ticks b { color: var(--ink); font-weight: 600; }
.note { margin-top: 20px; padding: 12px 14px; background: var(--panel-2); border-radius: 10px; font-size: 14.5px; color: var(--ink-2); }
.chat { padding: 20px; display: grid; gap: 10px; font-size: 15px; }
.msg { line-height: 1.5; }
.msg.me { justify-self: end; max-width: 86%; padding: 8px 12px; border-radius: 12px 12px 3px 12px; background: var(--panel-2); }
.step { font-size: 12.5px; color: var(--ink-3); display: flex; align-items: center; gap: 7px; }
.step i { width: 5px; height: 5px; border-radius: 50%; background: var(--line-2); }
.ask-card { display: grid; gap: 7px; padding: 13px; border-radius: 12px; border: 1px solid #f3b796; background: var(--warm-soft); }
.ask-card .eyebrow { margin: 0; }
.fakes { display: flex; gap: 7px; margin-top: 2px; }

.move { padding: clamp(60px, 9vw, 120px) 0; background: #1b1813; color: #f1eadb; }
.move .eyebrow { color: #ffb48c; }
.move .big { color: #c9bfae; }
.proof { margin: 16px 0 26px; font-size: 15px; color: #a79d8b; max-width: 34em; }
.code { background: #25211a; border-color: #3a342a; box-shadow: none; padding: 22px; color: #e4dccb; }
.code pre { margin: 0; font: 400 clamp(13px, 1.35vw, 15.5px)/1.7 var(--mono); overflow-x: auto; }
.add { color: #ffb48c; }
.code figcaption { margin-top: 14px; font-size: 13.5px; color: #a79d8b; }

.end { padding: clamp(70px, 10vw, 130px) 0; }
.center { text-align: center; }
.center .big { margin-left: auto; margin-right: auto; }
.center-row { justify-content: center; }

.foot { padding: 26px 0 34px; border-top: 1px solid var(--line); }
.foot-row { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; color: var(--ink-2); }
.foot nav { display: flex; gap: 18px; }
.foot a:hover { color: var(--ink); }

/* docs */
.docs { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: clamp(20px, 4vw, 56px); max-width: 1120px; margin: 0 auto; padding: clamp(28px, 4vw, 54px) var(--gutter) 90px; }
.toc { position: sticky; top: 76px; align-self: start; display: grid; gap: 6px; font-size: 14.5px; color: var(--ink-2); }
.toc a:hover { color: var(--warm-ink); }
.doc { min-width: 0; max-width: 720px; }
.doc h1 { font-size: clamp(38px, 5vw, 56px); margin-bottom: 12px; }
.doc h2 { font-size: clamp(27px, 3vw, 34px); margin: 52px 0 12px; scroll-margin-top: 74px; }
.doc h3 { font: 450 20px var(--serif); margin: 28px 0 8px; }
.doc p { margin-bottom: 13px; color: var(--ink-2); }
.doc ul { list-style: disc; padding-left: 21px; margin-bottom: 14px; color: var(--ink-2); display: grid; gap: 5px; }
.doc a { color: var(--warm-ink); text-decoration: underline; text-underline-offset: 2px; }
.doc code { font: 400 .86em var(--mono); background: var(--panel-2); padding: 1px 5px; border-radius: 4px; color: var(--ink); }
.doc pre { margin: 0 0 16px; padding: 14px 16px; border-radius: 11px; background: #1f1c16; color: #e9e1d0; overflow-x: auto; font: 400 13px/1.65 var(--mono); }
.doc pre code { background: none; padding: 0; color: inherit; font: inherit; }
.doc table { width: 100%; border-collapse: collapse; margin-bottom: 16px; font-size: 15px; }
.doc th { text-align: left; color: var(--ink-3); font-weight: 550; font-size: 13px; padding: 7px 8px; border-bottom: 1px solid var(--line-2); }
.doc td { padding: 8px; border-bottom: 1px solid var(--line); color: var(--ink-2); vertical-align: top; }
.doc .formula { padding: 11px 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; font: 400 13.5px/1.6 var(--mono); overflow-x: auto; margin-bottom: 14px; white-space: nowrap; }

@media (max-width: 980px) {
  .hero, .two { grid-template-columns: minmax(0, 1fr); }
  .two.reverse > figure { order: 2; }
  .grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .docs { grid-template-columns: minmax(0, 1fr); }
  .toc { position: static; grid-template-columns: repeat(auto-fit, minmax(130px, 1fr)); }
}
@media (max-width: 620px) {
  body { font-size: 16px; }
  .top nav a:not(.cta):not(.quiet) { display: none; }
  .grid { grid-template-columns: minmax(0, 1fr); }
  .five li { grid-template-columns: minmax(0, 1fr); gap: 3px; }
  .r { grid-template-columns: 7.6em minmax(0, 1fr) 3.2em; font-size: 13px; }
  .scale-head { padding-left: calc(7.6em + 10px); padding-right: calc(3.2em + 10px); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .chip i { animation: none; }
  .btn { transition: none; }
}