/* Due North Cooling — styles. Every value comes from DESIGN.md tokens. */
:root {
  --ink:#0A0B0D; --ink-2:#121418; --ink-3:#1A1D23;
  --line:rgba(242,241,236,.10); --line-2:rgba(242,241,236,.22);
  --bone:#F2F1EC; --bone-2:rgba(242,241,236,.62); --bone-3:rgba(242,241,236,.38);
  --ice:#8FE3FF; --ice-deep:#2BB8E6; --ice-ink:#06202A;
  --heat:#FF6A2C; --heat-deep:#C93D0C;
  --glass:rgba(18,20,24,.58); --blur:18px;
  --font-display:'Zodiak',Georgia,'Times New Roman',serif;
  --font-text:'Switzer',system-ui,sans-serif;
  --font-mono:'JetBrains Mono',ui-monospace,SFMono-Regular,monospace;
  --fs-display:clamp(56px,8.5vw,136px); --fs-h2:clamp(40px,5.6vw,84px); --fs-h3:clamp(26px,2.4vw,32px);
  --fs-num:clamp(64px,7vw,112px); --fs-lead:clamp(18px,1.4vw,20px); --fs-body:clamp(16px,1.2vw,17px);
  --fs-small:14px; --fs-mono:11.5px;
  --s-1:4px; --s-2:8px; --s-3:12px; --s-4:16px; --s-5:24px; --s-6:32px; --s-7:48px; --s-8:64px; --s-9:96px; --s-10:144px;
  --max:1280px; --gutter:24px; --r-card:20px; --r-frame:28px; --r-input:10px; --r-pill:999px;
  --glow:0 0 0 1px rgba(143,227,255,.35), 0 12px 40px -12px rgba(143,227,255,.55);
  --ease:cubic-bezier(.2,.7,.2,1);
  --tint:0;
  --section:var(--s-10);
  --hdr-h:76px;
}
@media (max-width:768px){ :root{ --gutter:16px; --section:var(--s-9); --hdr-h:64px; } }

*,*::before,*::after{ box-sizing:border-box; }
html{ background:var(--ink); color:var(--bone); -webkit-text-size-adjust:100%; }
html.lenis,html.lenis body{ height:auto; }
.lenis.lenis-smooth{ scroll-behavior:auto !important; }
body{
  margin:0; font-family:var(--font-text); font-size:var(--fs-body); line-height:1.55;
  background:var(--ink); color:var(--bone); font-synthesis:none; -webkit-font-smoothing:antialiased;
  overflow-x:clip;
}
img,svg,canvas{ display:block; max-width:100%; }
a{ color:inherit; text-decoration:none; }
button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
input,select{ font:inherit; color:inherit; }
h1,h2,h3,h4,p{ margin:0; }
ul{ margin:0; padding:0; list-style:none; }
::selection{ background:var(--ice); color:var(--ice-ink); }
:focus-visible{ outline:2px solid var(--ice); outline-offset:3px; border-radius:4px; }
.sr-only{ position:absolute !important; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); white-space:nowrap; }

/* ---------- type ---------- */
.display,.h2,.h3{ font-family:var(--font-display); font-weight:800; letter-spacing:-.02em; text-wrap:balance; }
.display{ font-size:var(--fs-display); line-height:.94; letter-spacing:-.025em; }
.h2{ font-size:var(--fs-h2); line-height:.98; }
.h3{ font-size:var(--fs-h3); line-height:1.05; letter-spacing:-.02em; }
.num{ font-family:var(--font-display); font-weight:900; letter-spacing:-.03em; line-height:1; font-variant-numeric:tabular-nums; }
.mono,.kicker{ font-family:var(--font-mono); font-weight:500; font-size:var(--fs-mono); letter-spacing:.14em; text-transform:uppercase; line-height:1; }
.kicker{ color:var(--bone-3); display:inline-flex; align-items:center; gap:10px; }
.kicker::before{ content:""; width:18px; height:1px; background:var(--ice); opacity:.9; }
.kicker--heat::before{ background:var(--heat); }
.lead{ font-size:var(--fs-lead); line-height:1.45; color:var(--bone-2); max-width:54ch; }
.body-2{ color:var(--bone-2); max-width:60ch; }
.ice{ color:var(--ice); }
.heat{ color:var(--heat); }
.measure{ max-width:46ch; }

/* ---------- layout ---------- */
.wrap{ width:min(var(--max),100% - 2*var(--gutter)); margin-inline:auto; }
.section{ padding-block:var(--section); position:relative; }
.section + .section{ padding-top:0; }
.sec-head{ display:grid; gap:var(--s-5); margin-bottom:var(--s-8); max-width:900px; }
.sec-head .lead{ max-width:56ch; }
.grid-2{ display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:var(--s-6); align-items:start; }
.grid-3{ display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:var(--s-5); }
@media (max-width:900px){ .grid-2,.grid-3{ grid-template-columns:1fr; } }

/* grain */
.grain{ position:relative; isolation:isolate; }
.grain::after{
  content:""; position:absolute; inset:0; pointer-events:none; z-index:1; opacity:.07; mix-blend-mode:overlay; border-radius:inherit;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='160' height='160'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 .9 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>");
}

/* glass */
.glass{
  background:var(--glass); -webkit-backdrop-filter:blur(var(--blur)); backdrop-filter:blur(var(--blur));
  border:1px solid var(--line); border-radius:var(--r-card);
}

/* buttons */
.btn{ display:inline-flex; align-items:center; justify-content:center; gap:10px; height:48px; padding:0 22px; border-radius:var(--r-pill); font-weight:500; font-size:15px; white-space:nowrap; transition:transform .25s var(--ease), box-shadow .25s var(--ease), background .25s var(--ease), color .25s var(--ease), border-color .25s var(--ease); }
.btn-ice{ background:var(--ice); color:var(--ice-ink); }
.btn-ice:hover{ background:linear-gradient(135deg,var(--ice),var(--ice-deep)); box-shadow:var(--glow); transform:translateY(-1px); }
.btn-ghost{ border:1px solid var(--line-2); color:var(--bone); }
.btn-ghost:hover{ border-color:var(--ice); color:var(--ice); }
.btn-sm{ height:40px; padding:0 18px; font-size:14px; }
.btn .arrow{ transition:transform .25s var(--ease); }
.btn:hover .arrow{ transform:translateX(3px); }
.link-arrow{ display:inline-flex; align-items:center; gap:8px; font-family:var(--font-mono); font-weight:500; font-size:var(--fs-mono); letter-spacing:.14em; text-transform:uppercase; color:var(--bone-2); padding:14px 0; }
.link-arrow:hover{ color:var(--ice); }
.link-arrow svg{ width:14px; height:14px; }

/* chips */
.chips{ display:flex; flex-wrap:wrap; gap:8px; }
.chip{ height:38px; padding:0 16px; border-radius:var(--r-pill); border:1px solid var(--line); font-family:var(--font-mono); font-size:var(--fs-mono); letter-spacing:.12em; text-transform:uppercase; color:var(--bone-2); transition:all .25s var(--ease); display:inline-flex; align-items:center; gap:8px; }
.chip:hover{ border-color:var(--line-2); color:var(--bone); }
.chip[aria-selected="true"],.chip.is-on{ background:var(--ice); color:var(--ice-ink); border-color:var(--ice); }

/* ---------- header ---------- */
.hdr{ position:fixed; inset:0 0 auto 0; z-index:60; height:var(--hdr-h); display:flex; align-items:center; transition:background .4s var(--ease), border-color .4s var(--ease), backdrop-filter .4s; border-bottom:1px solid transparent; }
.hdr.is-solid{ background:var(--glass); -webkit-backdrop-filter:blur(var(--blur)); backdrop-filter:blur(var(--blur)); border-color:var(--line); }
.hdr .wrap{ display:flex; align-items:center; justify-content:space-between; gap:var(--s-5); }
.logo{ display:flex; align-items:center; gap:12px; }
.logo-mark{ width:36px; height:36px; }
.logo-text{ display:grid; line-height:1; gap:4px; }
.logo-name{ font-family:var(--font-display); font-weight:800; font-size:20px; letter-spacing:-.01em; white-space:nowrap; }
.logo-sub{ font-family:var(--font-mono); font-size:10px; letter-spacing:.16em; text-transform:uppercase; color:var(--bone-3); }
.nav{ display:flex; align-items:center; gap:28px; }
.nav a{ font-family:var(--font-mono); font-weight:500; font-size:var(--fs-mono); letter-spacing:.14em; text-transform:uppercase; color:var(--bone-2); transition:color .25s; }
.nav a:hover{ color:var(--bone); }
.hdr-right{ display:flex; align-items:center; gap:12px; }
.hdr-phone{ font-family:var(--font-mono); font-size:var(--fs-mono); letter-spacing:.1em; color:var(--bone-2); }
.hdr-phone:hover{ color:var(--ice); }
.burger{ display:none; width:44px; height:44px; place-items:center; border:1px solid var(--line-2); border-radius:50%; }
.burger span{ display:block; width:16px; height:1.5px; background:var(--bone); position:relative; }
.burger span::before,.burger span::after{ content:""; position:absolute; left:0; right:0; height:1.5px; background:var(--bone); transition:transform .3s var(--ease); }
.burger span::before{ top:-5px; } .burger span::after{ top:5px; }
.menu{ position:fixed; inset:0; z-index:55; background:rgba(10,11,13,.92); -webkit-backdrop-filter:blur(24px); backdrop-filter:blur(24px); display:grid; align-content:center; padding:var(--s-8) var(--gutter); gap:var(--s-5); opacity:0; pointer-events:none; transition:opacity .35s var(--ease); }
.menu.is-open{ opacity:1; pointer-events:auto; }
.menu a{ font-family:var(--font-display); font-weight:800; font-size:clamp(36px,9vw,56px); letter-spacing:-.02em; line-height:1; }
.menu a:hover{ color:var(--ice); }
.menu .mono{ color:var(--bone-3); margin-top:var(--s-5); }
@media (max-width:1024px){ .nav{ display:none; } .burger{ display:grid; } .hdr-phone{ display:none; } }
@media (max-width:480px){ .logo-sub{ display:none; } }

/* ---------- instrument badge ---------- */
.gauge{ position:fixed; z-index:50; left:var(--gutter); top:calc(var(--hdr-h) + 14px); padding:14px 16px 12px; display:grid; grid-template-columns:auto auto; gap:6px 22px; align-items:end; opacity:0; transform:translateY(-8px); transition:opacity .6s var(--ease), transform .6s var(--ease); }
.gauge.is-on{ opacity:1; transform:none; }
.gauge .lbl{ font-family:var(--font-mono); font-size:10px; letter-spacing:.16em; text-transform:uppercase; color:var(--bone-3); display:flex; align-items:center; gap:6px; }
.gauge .lbl i{ width:6px; height:6px; border-radius:50%; background:currentColor; }
.gauge .val{ font-family:var(--font-display); font-weight:900; font-size:34px; letter-spacing:-.02em; line-height:1; font-variant-numeric:tabular-nums; }
.gauge .out .val{ color:var(--heat); }
.gauge .out .lbl{ color:var(--heat); }
.gauge .in .val{ color:color-mix(in oklab, var(--heat) calc((1 - var(--tint)) * 100%), var(--ice)); transition:color .3s linear; }
.gauge .in .lbl{ color:var(--bone-3); }
.gauge .clock{ grid-column:1/-1; display:flex; justify-content:space-between; align-items:center; gap:16px; border-top:1px solid var(--line); margin-top:6px; padding-top:8px; font-family:var(--font-mono); font-size:10px; letter-spacing:.16em; text-transform:uppercase; color:var(--bone-3); }
.gauge .clock b{ color:var(--bone); font-weight:500; }
@media (max-width:768px){
  .gauge{ left:var(--gutter); right:var(--gutter); grid-template-columns:auto auto 1fr; padding:10px 14px; gap:0 16px; align-items:center; }
  .gauge .val{ font-size:24px; }
  .gauge .clock{ grid-column:auto; border:0; margin:0; padding:0; justify-content:flex-end; }
  .gauge .clock span:first-child{ display:none; }
}

/* ---------- dispatch pill ---------- */
.pill{ position:fixed; z-index:50; left:50%; bottom:20px; transform:translate(-50%,0); display:flex; align-items:center; gap:18px; padding:8px 8px 8px 20px; border-radius:var(--r-pill); transition:transform .5s var(--ease), opacity .5s var(--ease); white-space:nowrap; }
.pill.is-hidden{ transform:translate(-50%,140%); opacity:0; }
.pill .txt{ display:grid; gap:3px; line-height:1; }
.pill .txt .mono{ color:var(--bone-3); font-size:10px; }
.pill .txt b{ font-weight:500; font-size:15px; }
@media (max-width:480px){ .pill{ left:var(--gutter); right:var(--gutter); transform:none; justify-content:space-between; padding-left:16px; } .pill.is-hidden{ transform:translateY(140%); } }

/* ---------- journey ---------- */
.journey{ position:relative; height:calc(var(--scenes) * 120vh); }
@media (max-width:768px){ .journey{ height:calc(var(--scenes) * 100vh); } }
.stage{ position:sticky; top:0; height:100vh; height:100svh; overflow:hidden; background:var(--ink); }
.stage canvas{ position:absolute; inset:0; width:100%; height:100%; }
.stage::before{ content:""; position:absolute; inset:0; z-index:1; pointer-events:none; background:linear-gradient(to top, rgba(10,11,13,.82) 0%, rgba(10,11,13,.25) 34%, rgba(10,11,13,0) 60%), linear-gradient(to bottom, rgba(10,11,13,.5), rgba(10,11,13,0) 22%); }
.stage .grain-layer{ position:absolute; inset:0; z-index:1; pointer-events:none; opacity:.08; mix-blend-mode:overlay; background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='.8' numOctaves='2' stitchTiles='stitch'/><feColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 1 0'/></filter><rect width='100%' height='100%' filter='url(%23n)'/></svg>"); }

.scene-copy{
  position:absolute; inset:0; z-index:3; padding:calc(var(--hdr-h) + 24px) clamp(20px,6vw,96px) clamp(96px,14vh,150px);
  display:flex; flex-direction:column; justify-content:flex-end; align-items:flex-start; gap:var(--s-5);
  opacity:0; filter:blur(14px); transform:translateY(18px); pointer-events:none;
  transition:opacity .9s var(--ease), filter .9s var(--ease), transform .9s var(--ease);
}
.scene-copy.is-on{ opacity:1; filter:blur(0); transform:none; pointer-events:auto; }
.scene-copy h1,.scene-copy h2,.scene-copy .lead{ text-shadow:0 2px 28px rgba(10,11,13,.7), 0 0 2px rgba(10,11,13,.4); }
.scene-copy .display{ max-width:11ch; }
.scene-copy.pos-tl{ justify-content:flex-start; padding-top:calc(var(--hdr-h) + 140px); }
.scene-copy.pos-br{ align-items:flex-end; text-align:right; }
.scene-copy.pos-br .lead{ margin-left:auto; }
.scene-copy.pos-c{ justify-content:center; }
.scene-copy .h2{ max-width:12ch; }
.scene-copy .lead{ max-width:46ch; }
.scene-copy .row{ display:flex; align-items:center; gap:var(--s-5); flex-wrap:wrap; }
.scene-copy .idx{ font-family:var(--font-mono); font-size:10px; letter-spacing:.16em; color:var(--bone-3); }
.hero-title{ max-width:9ch; }
.hero-title .ice{ display:block; }
@media (max-width:768px){
  .scene-copy{ padding-top:calc(var(--hdr-h) + 80px); padding-bottom:110px; }
  .scene-copy.pos-tl{ padding-top:calc(var(--hdr-h) + 130px); }
  .scene-copy.pos-br{ align-items:flex-start; text-align:left; }
  .scene-copy.pos-br .lead{ margin-left:0; }
}

/* progress rail */
.rail{ position:absolute; z-index:3; right:clamp(16px,3vw,40px); top:50%; transform:translateY(-50%); height:min(42vh,340px); width:1px; background:var(--line-2); }
.rail-tick{ position:absolute; left:50%; top:0; width:9px; height:9px; border-radius:50%; background:var(--ice); transform:translate(-50%,-50%); box-shadow:0 0 0 4px rgba(143,227,255,.18), 0 0 18px rgba(143,227,255,.6); }
.rail-idx{ position:absolute; left:50%; top:calc(100% + 16px); transform:translateX(-50%); font-family:var(--font-mono); font-size:10px; letter-spacing:.16em; color:var(--bone-3); writing-mode:vertical-rl; }
@media (max-width:768px){ .rail{ display:none; } }

/* x-ray callouts */
.callouts{ position:absolute; inset:0; z-index:3; pointer-events:none; }
.callout{ position:absolute; display:flex; align-items:center; gap:10px; translate:-4px -50%; opacity:0; transform:translateY(8px); transition:opacity .6s var(--ease), transform .6s var(--ease); }
.callout.is-on{ opacity:1; transform:none; }
.callout .dot{ width:8px; height:8px; border-radius:50%; background:var(--ice); box-shadow:0 0 0 4px rgba(143,227,255,.2), 0 0 16px var(--ice); flex:none; }
.callout .ln{ width:clamp(24px,4vw,64px); height:1px; background:linear-gradient(90deg,var(--ice),rgba(143,227,255,.2)); flex:none; }
.callout .card{ padding:10px 14px; border-radius:12px; display:grid; gap:4px; }
.callout .card .mono{ color:var(--ice); font-size:10px; }
.callout .card span{ font-size:13px; color:var(--bone-2); white-space:nowrap; }
.callout.flip{ flex-direction:row-reverse; }
.callout.flip .ln{ background:linear-gradient(270deg,var(--ice),rgba(143,227,255,.2)); }
@media (max-width:900px){ .callout .card span{ display:none; } .callout .ln{ width:16px; } }

/* checklist panel */
.checklist{ position:absolute; z-index:3; left:clamp(20px,6vw,96px); bottom:clamp(96px,14vh,150px); width:min(680px,50vw); padding:16px 18px 12px; opacity:0; transition:opacity .7s var(--ease); }
.checklist.is-on{ opacity:1; }
.checklist header{ display:flex; justify-content:space-between; align-items:center; margin-bottom:10px; }
.checklist header .mono{ color:var(--bone-3); font-size:10px; }
.checklist header .count{ color:var(--ice); }
.checklist ul{ display:grid; grid-template-columns:repeat(4,1fr); gap:0 14px; }
.checklist li{ display:flex; align-items:center; gap:8px; font-size:10.5px; color:var(--bone-3); padding:4px 0; border-top:1px solid var(--line); transition:color .4s; white-space:nowrap; overflow:hidden; text-overflow:ellipsis; }
.checklist li span{ overflow:hidden; text-overflow:ellipsis; }
@media (max-height:620px){ .checklist{ display:none; } }
@media (max-height:800px){ .scene-copy[data-scene="6"] .lead{ display:none; } }
@media (max-width:1200px){ .checklist ul{ grid-template-columns:repeat(3,1fr); } .checklist{ width:min(560px,52vw); } }
.checklist li i{ width:14px; height:14px; border-radius:4px; border:1px solid var(--line-2); display:grid; place-items:center; flex:none; transition:all .4s var(--ease); }
.checklist li i::after{ content:""; width:7px; height:4px; border-left:1.5px solid var(--ice-ink); border-bottom:1.5px solid var(--ice-ink); transform:rotate(-45deg) translate(1px,-1px); opacity:0; }
.checklist li.done{ color:var(--bone); }
.checklist li.done i{ background:var(--ice); border-color:var(--ice); }
.checklist li.done i::after{ opacity:1; }
@media (max-width:900px){ .checklist{ display:none; } }

/* scroll hint */
.scroll-hint{ position:absolute; z-index:3; left:50%; bottom:88px; transform:translateX(-50%); display:grid; justify-items:center; gap:10px; color:var(--bone-3); font-family:var(--font-mono); font-size:10px; letter-spacing:.16em; text-transform:uppercase; transition:opacity .5s; }
.scroll-hint i{ width:1px; height:36px; background:linear-gradient(var(--ice),transparent); animation:hint 1.8s var(--ease) infinite; }
@keyframes hint{ 0%{transform:scaleY(0);transform-origin:top} 50%{transform:scaleY(1);transform-origin:top} 51%{transform-origin:bottom} 100%{transform:scaleY(0);transform-origin:bottom} }
.scroll-hint.is-off{ opacity:0; }
@media (max-width:768px){ .scroll-hint{ display:none; } }

/* ---------- dispatch log ---------- */
.log{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--ink-2); }
.log .wrap{ display:grid; grid-template-columns:repeat(4,1fr); }
.log-item{ padding:var(--s-6) var(--s-5) var(--s-6) 0; display:grid; gap:10px; position:relative; }
.log-item + .log-item{ padding-left:var(--s-5); border-left:1px solid var(--line); }
.log-item .t{ font-family:var(--font-display); font-weight:900; font-size:28px; letter-spacing:-.02em; }
.log-item .t small{ font-family:var(--font-mono); font-weight:500; font-size:10px; letter-spacing:.16em; color:var(--bone-3); margin-left:6px; vertical-align:middle; }
.log-item p{ font-size:14px; color:var(--bone-2); }
.log-item:last-child .t{ color:var(--ice); }
@media (max-width:900px){ .log .wrap{ grid-template-columns:1fr 1fr; } .log-item:nth-child(3){ border-left:0; padding-left:0; border-top:1px solid var(--line); } .log-item:nth-child(4){ border-top:1px solid var(--line); } }
@media (max-width:480px){ .log .wrap{ grid-template-columns:1fr; } .log-item{ border-left:0 !important; padding-left:0 !important; border-top:1px solid var(--line); } .log-item:first-child{ border-top:0; } }

/* ---------- panels / instruments ---------- */
.panel{ padding:clamp(20px,3vw,32px); border-radius:var(--r-card); }
.frame{ position:relative; border-radius:var(--r-frame); overflow:hidden; border:1px solid var(--line); background:var(--ink-2); aspect-ratio:16/10; }
.frame canvas{ position:absolute; inset:0; width:100%; height:100%; }
.stat-row{ display:flex; gap:var(--s-6); flex-wrap:wrap; }
.stat{ display:grid; gap:6px; }
.stat .num{ font-size:clamp(28px,2.6vw,36px); }
.stat .mono{ color:var(--bone-3); font-size:10px; }

/* thermostat */
.thermo{ grid-template-columns:1.2fr .8fr; align-items:center; gap:var(--s-7); }
.dial-wrap{ display:grid; justify-items:center; gap:var(--s-5); }
.dial{ position:relative; width:min(300px,72vw); aspect-ratio:1; touch-action:none; user-select:none; }
.dial svg{ width:100%; height:100%; overflow:visible; }
.dial .track{ fill:none; stroke:var(--line-2); stroke-width:2; stroke-linecap:round; }
.dial .fill{ fill:none; stroke:url(#dialGrad); stroke-width:4; stroke-linecap:round; transition:stroke-dashoffset .05s linear; }
.dial .knob{ fill:var(--ink); stroke:var(--ice); stroke-width:2; filter:drop-shadow(0 0 10px rgba(143,227,255,.55)); cursor:grab; }
.dial .knob:active{ cursor:grabbing; }
.dial .center{ position:absolute; inset:0; display:grid; place-content:center; justify-items:center; gap:6px; pointer-events:none; }
.dial .center .num{ font-size:clamp(56px,6vw,76px); color:var(--bone); }
.dial .center .mono{ color:var(--bone-3); font-size:10px; }
.dial-ticks text{ font-family:var(--font-mono); font-size:9px; fill:var(--bone-3); letter-spacing:.1em; }
.thermo-note{ display:grid; gap:var(--s-4); }
.thermo-note .tag{ display:inline-flex; gap:8px; align-items:center; font-family:var(--font-mono); font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:var(--bone-3); }
.thermo-note .tag b{ color:var(--bone); font-weight:500; }
@media (max-width:900px){ .thermo{ grid-template-columns:1fr; } }

/* before/after */
.ba{ cursor:ew-resize; touch-action:pan-y; }
.ba .after{ clip-path:inset(0 0 0 var(--x,50%)); }
.ba .handle{ position:absolute; top:0; bottom:0; left:var(--x,50%); width:2px; background:var(--bone); transform:translateX(-1px); pointer-events:none; }
.ba .handle::after{ content:"‹ ›"; position:absolute; top:50%; left:50%; transform:translate(-50%,-50%); width:44px; height:44px; border-radius:50%; background:var(--glass); -webkit-backdrop-filter:blur(var(--blur)); backdrop-filter:blur(var(--blur)); border:1px solid var(--line-2); display:grid; place-items:center; font-family:var(--font-mono); font-size:14px; letter-spacing:.05em; color:var(--bone); }
.ba .tag{ position:absolute; top:16px; padding:8px 12px; border-radius:var(--r-pill); font-family:var(--font-mono); font-size:10px; letter-spacing:.14em; text-transform:uppercase; pointer-events:none; }
.ba .tag.l{ left:16px; } .ba .tag.r{ right:16px; color:var(--ice); }

/* range inputs */
.range{ -webkit-appearance:none; appearance:none; width:100%; height:28px; background:transparent; cursor:pointer; }
.range::-webkit-slider-runnable-track{ height:2px; background:linear-gradient(90deg,var(--ice) var(--p,50%),var(--line-2) var(--p,50%)); border-radius:2px; }
.range::-moz-range-track{ height:2px; background:var(--line-2); border-radius:2px; }
.range::-moz-range-progress{ height:2px; background:var(--ice); }
.range::-webkit-slider-thumb{ -webkit-appearance:none; width:22px; height:22px; margin-top:-10px; border-radius:50%; background:var(--ink); border:2px solid var(--ice); box-shadow:0 0 12px rgba(143,227,255,.5); }
.range::-moz-range-thumb{ width:18px; height:18px; border-radius:50%; background:var(--ink); border:2px solid var(--ice); box-shadow:0 0 12px rgba(143,227,255,.5); }
.range.heat::-webkit-slider-runnable-track{ background:linear-gradient(90deg,var(--ice),var(--heat)); }
.range.heat::-moz-range-track{ background:linear-gradient(90deg,var(--ice),var(--heat)); }
.field{ display:grid; gap:10px; }
.field .row{ display:flex; justify-content:space-between; align-items:baseline; gap:12px; }
.field .row .mono{ color:var(--bone-3); }
.field .row .num{ font-size:28px; }

/* cost of a degree */
.degree{ grid-template-columns:1fr 1fr; align-items:center; }
.degree-out{ display:grid; gap:var(--s-5); }
.degree-out .big{ display:flex; align-items:baseline; gap:12px; }
.degree-out .big .num{ font-size:var(--fs-num); }
.degree-out .big .mono{ color:var(--bone-3); }
.degree-out .save{ display:inline-flex; align-items:center; gap:10px; padding:10px 14px; border-radius:var(--r-pill); border:1px solid var(--line); font-size:14px; color:var(--bone-2); width:max-content; }
.degree-out .save b{ color:var(--ice); font-weight:500; }
.bars{ display:flex; align-items:flex-end; gap:6px; height:120px; }
.bars i{ flex:1; background:var(--line-2); border-radius:4px 4px 0 0; transition:background .3s, height .4s var(--ease); min-height:8px; position:relative; }
.bars i.on{ background:var(--ice); }
.bars i.cur{ background:var(--bone); }
.bars i::after{ content:attr(data-t); position:absolute; top:calc(100% + 8px); left:50%; transform:translateX(-50%); font-family:var(--font-mono); font-size:9px; letter-spacing:.1em; color:var(--bone-3); }
.bars-wrap{ padding-bottom:22px; }
@media (max-width:900px){ .degree{ grid-template-columns:1fr; } }

/* system picker */
.systems .tabs{ margin-bottom:var(--s-6); }
.sys-panel{ display:none; grid-template-columns:1fr 1fr; gap:var(--s-7); align-items:center; }
.sys-panel.is-on{ display:grid; animation:fadeUp .6s var(--ease); }
@keyframes fadeUp{ from{ opacity:0; transform:translateY(12px);} to{ opacity:1; transform:none; } }
.sys-art{ aspect-ratio:1; border-radius:var(--r-frame); border:1px solid var(--line); background:radial-gradient(60% 60% at 50% 60%, rgba(143,227,255,.10), transparent 70%), var(--ink-2); display:grid; place-items:center; padding:12%; }
.sys-art svg{ width:100%; height:100%; stroke:var(--ice); fill:none; stroke-width:1.5; stroke-linecap:round; stroke-linejoin:round; filter:drop-shadow(0 0 14px rgba(143,227,255,.35)); }
.sys-copy{ display:grid; gap:var(--s-5); }
.sys-copy .stat-row{ padding-top:var(--s-4); border-top:1px solid var(--line); }
@media (max-width:900px){ .sys-panel{ grid-template-columns:1fr; } .sys-art{ aspect-ratio:16/10; padding:8% 25%; } }

/* verdict calculator */
.calc{ grid-template-columns:1.1fr .9fr; }
.calc-form{ display:grid; gap:var(--s-6); }
.calc-form .group{ display:grid; gap:12px; }
.calc-form .group > .mono{ color:var(--bone-3); }
.verdict{ display:grid; gap:var(--s-5); align-content:start; min-height:100%; }
.verdict .h3{ font-size:clamp(32px,3.4vw,44px); }
.meter{ height:4px; border-radius:4px; background:linear-gradient(90deg,var(--ice),var(--bone) 50%,var(--heat)); position:relative; }
.meter i{ position:absolute; top:50%; left:var(--p,50%); width:16px; height:16px; border-radius:50%; background:var(--ink); border:2px solid var(--bone); transform:translate(-50%,-50%); transition:left .5s var(--ease); }
.meter-lbl{ display:flex; justify-content:space-between; font-family:var(--font-mono); font-size:10px; letter-spacing:.14em; text-transform:uppercase; color:var(--bone-3); }
.verdict ul{ display:grid; gap:10px; }
.verdict li{ display:flex; gap:10px; font-size:14.5px; color:var(--bone-2); }
.verdict li::before{ content:"—"; color:var(--ice); flex:none; }
.verdict.v-repair .h3{ color:var(--ice); }
.verdict.v-replace .h3{ color:var(--heat); }
@media (max-width:900px){ .calc{ grid-template-columns:1fr; } }

/* plans */
.plan{ display:grid; gap:var(--s-5); align-content:start; position:relative; }
.plan.is-featured{ border-color:rgba(143,227,255,.45); box-shadow:inset 0 0 0 1px rgba(143,227,255,.15); }
.plan .tag{ position:absolute; top:-12px; left:24px; padding:6px 10px; border-radius:var(--r-pill); background:var(--ice); color:var(--ice-ink); font-family:var(--font-mono); font-size:10px; letter-spacing:.14em; text-transform:uppercase; }
.plan .price{ display:flex; align-items:baseline; gap:6px; }
.plan .price .num{ font-size:clamp(44px,4vw,56px); }
.plan .price .mono{ color:var(--bone-3); }
.plan ul{ display:grid; gap:10px; padding-top:var(--s-4); border-top:1px solid var(--line); }
.plan li{ display:flex; gap:10px; font-size:14.5px; color:var(--bone-2); }
.plan li::before{ content:""; width:14px; height:14px; border-radius:50%; border:1px solid var(--ice); flex:none; margin-top:3px; background:radial-gradient(circle, var(--ice) 35%, transparent 40%); }
.plan .btn{ margin-top:auto; }

/* reviews */
.reviews-track{ display:grid; grid-auto-flow:column; grid-auto-columns:minmax(300px,380px); gap:var(--s-5); overflow-x:auto; scroll-snap-type:x mandatory; padding-bottom:var(--s-4); scrollbar-width:none; }
.reviews-track::-webkit-scrollbar{ display:none; }
.review{ scroll-snap-align:start; display:grid; gap:var(--s-5); align-content:space-between; min-height:260px; }
.stars{ display:flex; gap:4px; color:var(--ice); }
.stars svg{ width:14px; height:14px; }
.review q{ quotes:none; font-size:18px; line-height:1.45; color:var(--bone); }
.review .who{ display:grid; gap:4px; }
.review .who b{ font-weight:500; font-size:14px; }
.review .who .mono{ color:var(--bone-3); font-size:10px; }

/* service area */
.area{ grid-template-columns:1fr 1fr; align-items:center; }
.radar{ position:relative; aspect-ratio:1; max-width:520px; margin-inline:auto; width:100%; }
.radar svg{ width:100%; height:100%; overflow:visible; }
.radar .ring{ fill:none; stroke:var(--line); }
.radar .sweep{ transform-origin:50% 50%; animation:sweep 8s linear infinite; }
@keyframes sweep{ to{ transform:rotate(360deg); } }
.radar .city{ font-family:var(--font-mono); font-size:9.5px; letter-spacing:.12em; fill:var(--bone-2); text-transform:uppercase; }
.radar .city.hub{ fill:var(--ice); }
.radar .pt{ fill:var(--ice); }
.radar .pt.hub{ fill:var(--ice); filter:drop-shadow(0 0 8px var(--ice)); }
.city-list{ display:grid; grid-template-columns:1fr 1fr; gap:0 var(--s-6); }
.city-list li{ display:flex; justify-content:space-between; align-items:baseline; padding:12px 0; border-bottom:1px solid var(--line); font-size:15px; }
.city-list li .mono{ color:var(--bone-3); }
@media (max-width:900px){ .area{ grid-template-columns:1fr; } }

/* booking */
.book{ grid-template-columns:1fr 1fr; gap:var(--s-8); }
.book-copy{ display:grid; gap:var(--s-5); align-content:start; }
.book-copy .promises{ display:grid; gap:12px; padding-top:var(--s-5); border-top:1px solid var(--line); }
.book-copy .promises li{ display:flex; gap:12px; color:var(--bone-2); font-size:15px; }
.book-copy .promises li b{ color:var(--bone); font-weight:500; }
.book-copy .promises li::before{ content:""; width:8px; height:8px; border-radius:50%; background:var(--ice); flex:none; margin-top:8px; }
.form{ display:grid; gap:var(--s-4); background:var(--ink-2); border:1px solid var(--line); border-radius:var(--r-card); padding:clamp(20px,3vw,32px); }
.form .two{ display:grid; grid-template-columns:1fr 1fr; gap:var(--s-4); }
.form label{ display:grid; gap:8px; }
.form label > .mono{ color:var(--bone-3); }
.form input,.form select{ height:52px; padding:0 16px; border-radius:var(--r-input); background:var(--ink-3); border:1px solid var(--line); color:var(--bone); width:100%; transition:border-color .25s; }
.form input:focus,.form select:focus{ outline:none; border-color:var(--ice); }
.form select{ -webkit-appearance:none; appearance:none; background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'><path d='M1 1l5 5 5-5' fill='none' stroke='%238FE3FF' stroke-width='1.5'/></svg>"); background-repeat:no-repeat; background-position:right 16px center; }
.form .when{ display:flex; gap:8px; flex-wrap:wrap; }
.form .when input{ position:absolute; opacity:0; width:0; height:0; }
.form .when span{ display:inline-flex; align-items:center; height:38px; padding:0 16px; border-radius:var(--r-pill); border:1px solid var(--line); font-family:var(--font-mono); font-size:var(--fs-mono); letter-spacing:.12em; text-transform:uppercase; color:var(--bone-2); cursor:pointer; transition:all .25s; }
.form .when input:checked + span{ background:var(--ice); color:var(--ice-ink); border-color:var(--ice); }
.form .when input:focus-visible + span{ outline:2px solid var(--ice); outline-offset:3px; }
.form .fine{ font-size:12.5px; color:var(--bone-3); }
.form .btn{ height:54px; }
.form.is-sent > *:not(.sent){ display:none; }
.form .sent{ display:none; text-align:center; padding:var(--s-7) 0; gap:var(--s-4); }
.form.is-sent .sent{ display:grid; }
.form .sent .h3{ color:var(--ice); }
@media (max-width:900px){ .book{ grid-template-columns:1fr; } }
@media (max-width:480px){ .form .two{ grid-template-columns:1fr; } }

/* footer */
.ftr{ border-top:1px solid var(--line); padding:var(--s-8) 0 var(--s-6); }
.ftr .top{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:var(--s-6); }
.ftr .col{ display:grid; gap:12px; align-content:start; }
.ftr .col .mono{ color:var(--bone-3); margin-bottom:6px; }
.ftr .col a,.ftr .col p{ color:var(--bone-2); font-size:14.5px; }
.ftr .col a:hover{ color:var(--ice); }
.ftr .big{ font-family:var(--font-display); font-weight:800; font-size:clamp(28px,3vw,40px); letter-spacing:-.02em; line-height:1.02; }
.ftr .bottom{ display:flex; justify-content:space-between; gap:var(--s-5); flex-wrap:wrap; margin-top:var(--s-8); padding-top:var(--s-5); border-top:1px solid var(--line); color:var(--bone-3); font-size:12.5px; }
@media (max-width:900px){ .ftr .top{ grid-template-columns:1fr 1fr; } }
@media (max-width:480px){ .ftr .top{ grid-template-columns:1fr; } }

/* reveals */
.rv{ opacity:0; transform:translateY(24px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.rv.in{ opacity:1; transform:none; }
.rv-d1{ transition-delay:.06s; } .rv-d2{ transition-delay:.12s; } .rv-d3{ transition-delay:.18s; }

/* reduced motion */
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{ animation-duration:.01ms !important; animation-iteration-count:1 !important; transition-duration:.2s !important; }
  .scene-copy{ filter:none; transform:none; }
  .rv{ transform:none; }
}