/* ==========================================================================
   BurkyFlow — Business in a Box for HVAC Companies
   Brand: warm off-white 65% / deep teal 25% / electric lime 5% / HVAC blue 5%
   ========================================================================== */

:root{
  --offwhite:#F9F9F3;
  --teal:#1D414E;
  --teal-dark:#173C4A;
  --lime:#D8E60D;
  --lime-deep:#C3D00C;
  --text:#173C4A;
  --neutral:#292727;
  --white:#FFFFFF;
  --sky:#90D5F5;
  --blue:#4B7CC7;

  --muted:#5C7681;
  --line:#E2E4DA;
  --danger:#C2554E;
  --line-dark:rgba(249,249,243,.16);

  --radius:20px;
  --radius-sm:14px;
  --shadow:0 1px 2px rgba(23,60,74,.04), 0 8px 24px -12px rgba(23,60,74,.12);
  --shadow-lift:0 2px 4px rgba(23,60,74,.05), 0 16px 40px -16px rgba(23,60,74,.20);

  --max:1280px;
  --content:1160px;
  --measure:720px;

  --ease:cubic-bezier(.4,.14,.3,1);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--offwhite);
  color:var(--text);
  font-family:"Outfit",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:18px;
  line-height:1.65;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:-.02em;line-height:1.1;color:var(--text);}
h1{font-size:clamp(38px,5.1vw,68px);line-height:1.06;letter-spacing:-.03em;font-weight:700;}
h2{font-size:clamp(30px,3.6vw,48px);line-height:1.12;}
h3{font-size:21px;line-height:1.3;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
a{color:inherit;}

:focus-visible{outline:3px solid var(--teal);outline-offset:3px;border-radius:6px;}
.section-dark :focus-visible,.final-cta :focus-visible,.site-footer :focus-visible{outline-color:var(--lime);}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--lime);color:var(--teal);padding:12px 20px;border-radius:0 0 12px 0;font-weight:600;
}
.skip-link:focus{left:0;}

/* ---------- Layout ---------- */
.wrap{width:100%;max-width:var(--content);margin:0 auto;padding:0 24px;}
.wrap-narrow{max-width:820px;}
.center{text-align:center;}
.section{padding:88px 0;}
.section-head{max-width:var(--measure);margin:0 0 48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-sub{color:var(--muted);font-size:18px;max-width:640px;margin:16px auto 0;}
.muted-head{color:var(--muted);font-weight:600;}

.eyebrow{
  font-size:12.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin:0 0 18px;
}
.eyebrow-light{color:rgba(249,249,243,.62);}

.grid{display:grid;gap:20px;}
.grid-3{grid-template-columns:repeat(3,1fr);}
.grid-4{grid-template-columns:repeat(4,1fr);}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:52px;padding:14px 26px;
  border-radius:13px;border:1.5px solid transparent;
  font-family:inherit;font-size:16px;font-weight:600;letter-spacing:-.01em;
  text-decoration:none;cursor:pointer;text-align:center;
  transition:transform .18s var(--ease),background-color .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.btn-primary{background:var(--lime);color:var(--teal);box-shadow:0 6px 18px -8px rgba(23,60,74,.35);}
.btn-primary:hover{background:var(--lime-deep);transform:translateY(-2px);box-shadow:0 12px 26px -10px rgba(23,60,74,.4);}
.btn-secondary{background:transparent;color:var(--teal);border-color:var(--teal);}
.btn-secondary:hover{background:rgba(29,65,78,.06);transform:translateY(-2px);}
.btn-sm{min-height:44px;padding:10px 20px;font-size:15px;border-radius:11px;}
.btn-lg{min-height:58px;padding:16px 32px;font-size:17px;}
.btn-block{display:flex;width:100%;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(249,249,243,.88);
  backdrop-filter:saturate(150%) blur(10px);
  border-bottom:1px solid transparent;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.site-header.is-stuck{border-color:var(--line);box-shadow:0 6px 20px -18px rgba(23,60,74,.5);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:76px;}

.logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;}
.logo-mark{width:22px;height:31px;flex:none;}
.logo-word{font-size:23px;font-weight:500;letter-spacing:-.02em;color:var(--teal);}

.site-nav{display:flex;align-items:center;gap:30px;margin-left:auto;}
.site-nav a{
  text-decoration:none;font-size:15.5px;font-weight:500;color:var(--muted);
  padding:6px 0;position:relative;transition:color .18s var(--ease);
}
.site-nav a::after{
  content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:var(--lime);
  transition:width .22s var(--ease);
}
.site-nav a:hover{color:var(--teal);}
.site-nav a:hover::after{width:100%;}

.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:11px;
  background:var(--white);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--teal);border-radius:2px;transition:transform .2s var(--ease),opacity .2s var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

.mobile-nav{display:none;flex-direction:column;gap:4px;padding:12px 24px 24px;border-top:1px solid var(--line);background:var(--offwhite);}
.mobile-nav a{text-decoration:none;font-size:17px;font-weight:500;color:var(--teal);padding:14px 4px;}
.mobile-nav .btn{margin-top:10px;}

/* ---------- 1. Hero ---------- */
.hero{padding:72px 0 96px;}
.hero-grid{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;}
.hero-copy{max-width:600px;}
.hero h1{margin-bottom:24px;}
.hero .lede{font-size:19px;color:var(--text);max-width:560px;}
.hero .sub{font-size:17px;color:var(--muted);max-width:540px;}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:32px 0 18px;}
.reassure{font-size:14.5px;color:var(--muted);margin:0;max-width:460px;}

/* Hero visual — HVAC customer journey */
.hero-visual{position:relative;}
.flow-panel{
  background:var(--white);border:1px solid var(--line);border-radius:24px;
  padding:24px;box-shadow:var(--shadow-lift);position:relative;
}
.flow-panel-top{display:flex;align-items:center;gap:10px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:8px;}
.flow-panel-title{font-size:14.5px;font-weight:600;color:var(--teal);}
.live-dot{width:8px;height:8px;border-radius:50%;background:var(--lime);flex:none;box-shadow:0 0 0 0 rgba(216,230,13,.7);animation:pulse 2.4s infinite;}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(216,230,13,.65);}
  70%{box-shadow:0 0 0 8px rgba(216,230,13,0);}
  100%{box-shadow:0 0 0 0 rgba(216,230,13,0);}
}
.tag-illustrative{
  margin-left:auto;font-size:10.5px;font-weight:600;letter-spacing:.09em;text-transform:uppercase;
  color:var(--muted);background:var(--offwhite);border:1px solid var(--line);
  padding:5px 10px;border-radius:999px;white-space:nowrap;
}

.flow-track{position:relative;padding:10px 0 4px;}
.flow-node{
  position:relative;display:grid;grid-template-columns:64px 1fr;gap:4px 14px;align-items:baseline;
  padding:11px 12px 11px 0;margin-left:22px;border-radius:12px;
  opacity:.42;transition:opacity .45s var(--ease),transform .45s var(--ease),background-color .45s var(--ease);
}
.flow-node .node-rail{
  position:absolute;left:-22px;top:0;bottom:0;width:2px;background:var(--line);
}
.flow-node::before{
  content:"";position:absolute;left:-27px;top:16px;width:12px;height:12px;border-radius:50%;
  background:var(--white);border:2px solid var(--line);z-index:1;
  transition:background-color .35s var(--ease),border-color .35s var(--ease),transform .35s var(--ease);
}
.flow-node:last-child .node-rail{bottom:auto;height:16px;}
.node-time{font-size:12.5px;font-weight:500;color:var(--muted);font-variant-numeric:tabular-nums;}
.node-label{font-size:15.5px;font-weight:600;color:var(--teal);}
.node-detail{grid-column:2;font-size:13.5px;color:var(--muted);line-height:1.4;}

.flow-node.is-done{opacity:.72;}
.flow-node.is-done::before{background:var(--teal);border-color:var(--teal);}
.flow-node.is-done .node-rail{background:var(--teal);opacity:.35;}
.flow-node.is-active{opacity:1;background:rgba(216,230,13,.10);transform:translateX(2px);}
.flow-node.is-active::before{background:var(--lime);border-color:var(--lime);transform:scale(1.15);}

.lead-card{
  margin-top:12px;background:var(--offwhite);border:1px solid var(--line);border-radius:16px;padding:16px 18px;
}
.lead-card-head{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
/* Service chip — a small HVAC unit mark (vent slats), sky/deep blue accent. */
.svc-chip{
  width:26px;height:26px;border-radius:8px;flex:none;
  background:rgba(144,213,245,.28);border:1px solid rgba(75,124,199,.38);
  position:relative;
}
.svc-chip::before,.svc-chip::after{
  content:"";position:absolute;left:6px;right:6px;height:2px;border-radius:2px;background:var(--blue);
}
.svc-chip::before{top:9px;}
.svc-chip::after{top:14px;opacity:.55;}
.lead-name{margin:0;font-size:14.5px;font-weight:600;color:var(--teal);line-height:1.3;}
.lead-meta{margin:0;font-size:12.5px;color:var(--muted);}
.lead-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px 18px;margin:0 0 14px;}
.lead-fields dt{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);}
.lead-fields dd{margin:0;font-size:14px;font-weight:500;color:var(--teal);}
.lead-stage{
  margin:0;padding-top:12px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.lead-stage span{font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);}
.lead-stage strong{
  font-size:13px;font-weight:600;color:var(--teal);background:var(--lime);
  padding:5px 12px;border-radius:999px;transition:background-color .3s var(--ease);
}

/* ---------- 2. Problem ---------- */
.section-problem{background:var(--white);border-block:1px solid var(--line);}
.problem-story{
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  background:var(--offwhite);border:1px solid var(--line);border-radius:var(--radius);
  padding:32px 36px;margin-bottom:44px;
}
.story-list{display:flex;flex-wrap:wrap;gap:8px 10px;max-width:640px;}
.story-list li{
  font-size:15px;color:var(--muted);background:var(--white);border:1px solid var(--line);
  padding:8px 14px;border-radius:10px;
}
.story-list .story-end{color:var(--danger);border-color:rgba(194,85,78,.4);background:rgba(194,85,78,.06);font-weight:500;}
.story-close{margin:0;font-size:19px;font-weight:600;color:var(--teal);max-width:280px;}

.card{
  background:var(--offwhite);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#D2D6C8;}
.card h3{font-size:18px;margin-bottom:8px;}
.card p{margin:0;font-size:15.5px;color:var(--muted);}

/* ---------- 3. Core promise ---------- */
.promise-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:start;}
.promise-copy p{color:var(--muted);font-size:17.5px;max-width:600px;}
.promise-copy h2{margin-bottom:22px;}
.promise-tail{color:var(--text) !important;}
.promise-list{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px;box-shadow:var(--shadow);
}
.promise-list-title{font-size:12.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);font-weight:600;margin-bottom:16px;}
.check-list li,.tick-list li{
  position:relative;padding-left:26px;font-size:16px;color:var(--text);margin-bottom:11px;line-height:1.45;
}
.check-list li::before,.tick-list li::before{
  content:"";position:absolute;left:0;top:.5em;width:12px;height:7px;
  border-left:2px solid var(--teal);border-bottom:2px solid var(--teal);
  transform:rotate(-45deg) translateY(-2px);
}
.tick-list li{font-size:15px;color:var(--muted);margin-bottom:9px;}
.tick-list.two-col{columns:2;column-gap:24px;}
.tick-list.two-col li{break-inside:avoid;}

/* ---------- 4. Journey ---------- */
.section-journey{background:var(--white);border-block:1px solid var(--line);}
.journey{display:grid;grid-template-columns:repeat(6,1fr);gap:0;position:relative;}
.journey::before{
  content:"";position:absolute;top:19px;left:6%;right:6%;height:2px;
  background:linear-gradient(90deg,var(--line) 0%,var(--line) 100%);
}
.journey-step{position:relative;padding:0 14px;}
.journey-step:first-child{padding-left:0;}
.journey-step:last-child{padding-right:0;}
.step-num{
  position:relative;z-index:1;display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--offwhite);border:1.5px solid var(--line);
  font-size:13px;font-weight:600;color:var(--teal);margin-bottom:18px;
  transition:background-color .25s var(--ease),border-color .25s var(--ease);
}
.journey-step:hover .step-num{background:var(--lime);border-color:var(--lime);}
.journey-step h3{font-size:17px;margin-bottom:8px;}
.journey-step p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- 5. Modules ---------- */
.modules{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;}
.module{
  grid-column:span 2;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.module:hover{transform:translateY(-3px);box-shadow:var(--shadow-lift);border-color:#D2D6C8;}
.module-wide{grid-column:span 3;}
.mod-num{
  display:inline-block;font-size:11px;font-weight:600;letter-spacing:.12em;text-transform:uppercase;
  color:var(--muted);margin-bottom:12px;
}
.module h3{font-size:20px;margin-bottom:10px;}
.module > p{font-size:15.5px;color:var(--muted);margin-bottom:14px;}
.module .note{
  font-size:13.5px;color:var(--muted);background:var(--offwhite);border:1px solid var(--line);
  border-radius:10px;padding:12px 14px;margin:16px 0 0;
}
.module .note strong{color:var(--teal);}

.module-accent{background:var(--teal);border-color:var(--teal);}
.module-accent h3,.module-accent .mod-num{color:rgba(249,249,243,.6);}
.module-accent h3{color:var(--white);}
.module-accent .module-hook{
  font-size:19px;font-weight:600;color:var(--lime);line-height:1.3;margin-bottom:18px;letter-spacing:-.01em;
}
.module-accent .tick-list li{color:rgba(249,249,243,.82);}
.module-accent .tick-list li::before{border-color:var(--lime);}

.stage-chips{display:flex;flex-wrap:wrap;gap:8px;}
.stage-chips li{
  font-size:13.5px;font-weight:500;color:var(--teal);background:var(--offwhite);
  border:1px solid var(--line);padding:7px 12px;border-radius:8px;
}
.stage-chips li:nth-child(4),.stage-chips li:nth-child(5){background:rgba(216,230,13,.22);border-color:rgba(216,230,13,.6);}

/* ---------- 6. Demo ---------- */
.section-demo{background:var(--white);border-block:1px solid var(--line);}
.demo-tabs{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;margin-bottom:28px;}
.demo-tab{
  font-family:inherit;font-size:15px;font-weight:500;color:var(--muted);
  background:var(--offwhite);border:1px solid var(--line);border-radius:999px;
  padding:11px 20px;min-height:44px;cursor:pointer;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease);
}
.demo-tab:hover{transform:translateY(-2px);color:var(--teal);}
.demo-tab.is-active{background:var(--teal);border-color:var(--teal);color:var(--white);}

.demo-stage{
  background:var(--offwhite);border:1px solid var(--line);border-radius:24px;padding:28px;
  max-width:900px;margin:0 auto;box-shadow:var(--shadow);
}
.demo-stage-head{display:flex;justify-content:flex-end;margin-bottom:6px;}
.demo-panel{animation:fade .35s var(--ease);}
@keyframes fade{from{opacity:0;transform:translateY(6px);}to{opacity:1;transform:none;}}

.demo-steps{counter-reset:d;}
.demo-steps li{
  counter-increment:d;position:relative;display:flex;flex-wrap:wrap;align-items:baseline;gap:4px 14px;
  padding:16px 16px 16px 60px;background:var(--white);border:1px solid var(--line);
  border-radius:14px;margin-bottom:10px;
  opacity:0;transform:translateY(8px);animation:stepIn .4s var(--ease) forwards;
}
.demo-steps li::before{
  content:counter(d);position:absolute;left:18px;top:50%;transform:translateY(-50%);
  width:26px;height:26px;border-radius:8px;background:var(--offwhite);border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:600;color:var(--teal);
}
.demo-steps li:last-child{margin-bottom:0;border-color:rgba(216,230,13,.65);background:rgba(216,230,13,.10);}
.demo-steps li:last-child::before{background:var(--lime);border-color:var(--lime);}
.demo-steps li:nth-child(1){animation-delay:.02s;}
.demo-steps li:nth-child(2){animation-delay:.08s;}
.demo-steps li:nth-child(3){animation-delay:.14s;}
.demo-steps li:nth-child(4){animation-delay:.2s;}
.demo-steps li:nth-child(5){animation-delay:.26s;}
.demo-steps li:nth-child(6){animation-delay:.32s;}
@keyframes stepIn{to{opacity:1;transform:none;}}
.dstep{font-size:16px;font-weight:600;color:var(--teal);}
.dnote{font-size:14.5px;color:var(--muted);margin-left:auto;text-align:right;}

/* ---------- 7. Compare ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.compare-col{border-radius:var(--radius);padding:32px;border:1px solid var(--line);}
.compare-col h3{font-size:14px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:22px;}
.compare-before{background:var(--white);}
.compare-before h3{color:var(--muted);}
.compare-before li{
  position:relative;padding:12px 0 12px 30px;font-size:16px;color:var(--muted);border-bottom:1px dashed var(--line);
}
.compare-before li:last-child{border-bottom:0;}
.compare-before li::before{
  content:"";position:absolute;left:2px;top:1.15em;width:12px;height:2px;background:var(--danger);border-radius:2px;
}
.compare-after{background:var(--teal);border-color:var(--teal);}
.compare-after h3{color:var(--lime);}
.compare-after li{
  position:relative;padding:12px 0 12px 30px;font-size:16px;color:rgba(249,249,243,.9);
  border-bottom:1px solid rgba(249,249,243,.1);
}
.compare-after li:last-child{border-bottom:0;}
.compare-after li::before{
  content:"";position:absolute;left:2px;top:1.05em;width:12px;height:7px;
  border-left:2px solid var(--lime);border-bottom:2px solid var(--lime);transform:rotate(-45deg);
}

/* ---------- 8. Built around your process ---------- */
.section-custom{background:var(--white);border-block:1px solid var(--line);}
.custom-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center;}
.custom-grid p{color:var(--muted);font-size:17.5px;max-width:600px;}
.custom-grid h2{margin-bottom:22px;}
.custom-chips{display:flex;flex-wrap:wrap;gap:10px;align-content:center;}
.custom-chips span{
  font-size:15.5px;font-weight:500;color:var(--teal);background:var(--offwhite);
  border:1px solid var(--line);border-radius:12px;padding:12px 18px;
  transition:transform .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease);
}
.custom-chips span:hover{transform:translateY(-2px);background:rgba(216,230,13,.16);border-color:rgba(216,230,13,.6);}

/* ---------- 9. Implementation ---------- */
.impl-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius);padding:26px 24px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.impl-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.impl-card h3{font-size:18px;margin-bottom:14px;}
.impl-card p{font-size:15px;color:var(--muted);}

/* ---------- 10. Human + system ---------- */
.section-human{background:var(--white);border-block:1px solid var(--line);}
.split{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.split-col{background:var(--offwhite);border:1px solid var(--line);border-radius:var(--radius);padding:32px;}
.split-col h3{font-size:14px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:22px;}
.split-team{background:var(--teal);border-color:var(--teal);}
.split-team h3{color:var(--lime);}
.split-team .tick-list li{color:rgba(249,249,243,.88);}
.split-team .tick-list li::before{border-color:var(--lime);}
.human-close{
  max-width:var(--measure);margin:40px auto 0;text-align:center;
  font-size:18px;color:var(--muted);
}

/* ---------- 11. Proof ---------- */
.proof{margin:0;background:var(--white);border:1px solid var(--line);border-radius:24px;padding:24px;box-shadow:var(--shadow);}
.proof-head{display:flex;align-items:center;gap:12px;padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:20px;}
.proof-title{font-size:14.5px;font-weight:600;color:var(--teal);}
.proof-head .tag-illustrative{margin-left:0;order:2;margin-left:auto;}
.pipeline{display:grid;grid-template-columns:repeat(5,minmax(180px,1fr));gap:14px;overflow-x:auto;padding-bottom:4px;}
.pipe-col{background:var(--offwhite);border:1px solid var(--line);border-radius:14px;padding:12px;min-width:180px;}
.pipe-head{
  display:flex;align-items:center;justify-content:space-between;margin:0 0 12px;
  font-size:12.5px;font-weight:600;letter-spacing:.05em;text-transform:uppercase;color:var(--muted);
}
.pipe-head span{
  font-size:11px;background:var(--white);border:1px solid var(--line);border-radius:999px;
  padding:2px 8px;color:var(--teal);letter-spacing:0;
}
.pipe-card{
  display:grid;grid-template-columns:26px 1fr;gap:2px 10px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:11px;padding:10px 12px;margin-bottom:8px;
}
.pipe-card:last-child{margin-bottom:0;}
.pipe-card .svc-chip{grid-row:span 2;}
.pipe-card b{font-size:13.5px;font-weight:600;color:var(--teal);}
.pipe-card i{font-size:12px;font-style:normal;color:var(--muted);}
.pipe-card.is-hot{border-color:rgba(216,230,13,.7);background:rgba(216,230,13,.10);}
.pipe-card.blurred{filter:blur(3px);opacity:.5;user-select:none;}
.pipe-card.blurred b,.pipe-card.blurred i{background:var(--line);border-radius:4px;display:block;height:9px;}
.pipe-card.blurred i{width:70%;height:7px;margin-top:4px;}
.proof-note{margin:20px auto 0;max-width:var(--measure);text-align:center;font-size:14.5px;color:var(--muted);}

/* ---------- 12. Fit ---------- */
.section-fit{background:var(--white);border-block:1px solid var(--line);}
.fit-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.fit-col{border:1px solid var(--line);border-radius:var(--radius);padding:32px;background:var(--offwhite);}
.fit-col h3{font-size:14px;letter-spacing:.1em;text-transform:uppercase;margin-bottom:22px;}
.fit-good h3{color:var(--teal);}
.fit-good .tick-list li{font-size:16px;color:var(--text);}
.fit-bad{background:var(--white);}
.fit-bad h3{color:var(--muted);}
.cross-list li{position:relative;padding-left:26px;font-size:16px;color:var(--muted);margin-bottom:11px;line-height:1.45;}
.cross-list li::before,.cross-list li::after{
  content:"";position:absolute;left:2px;top:.72em;width:12px;height:2px;background:var(--danger);border-radius:2px;
}
.cross-list li::before{transform:rotate(45deg);}
.cross-list li::after{transform:rotate(-45deg);}

/* ---------- 13. Form ---------- */
.form-shell{
  background:var(--white);border:1px solid var(--line);border-radius:24px;
  padding:36px;box-shadow:var(--shadow-lift);
}
.form-progress{display:flex;align-items:center;gap:16px;margin-bottom:28px;}
.form-progress .bar{flex:1;height:6px;background:var(--offwhite);border:1px solid var(--line);border-radius:999px;overflow:hidden;}
.form-progress .bar i{display:block;height:100%;width:20%;background:var(--lime);border-radius:999px;transition:width .4s var(--ease);}
.form-progress .pct{font-size:13px;font-weight:600;color:var(--muted);white-space:nowrap;}

.fstep{display:none;border:0;padding:0;margin:0;min-width:0;}
.fstep.is-active{display:block;animation:fade .3s var(--ease);}
.fstep .fstep-legend{padding:0;font-size:24px;font-weight:600;color:var(--teal);letter-spacing:-.02em;line-height:1.25;margin-bottom:8px;}
.legend-hint{font-size:14.5px;color:var(--muted);margin-bottom:18px;}
.fstep .fstep-legend + .choice-grid,.fstep .fstep-legend + .field,.fstep .fstep-legend + .field-row{margin-top:20px;}
/* GHL resets can clobber the hidden attribute — make it stick. */
[hidden]{display:none !important;}

.choice-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.choice-grid-2{grid-template-columns:1fr 1fr;}
.choice{
  display:flex;align-items:center;gap:12px;min-height:56px;padding:14px 16px;cursor:pointer;
  background:var(--offwhite);border:1.5px solid var(--line);border-radius:13px;
  font-size:16px;color:var(--text);
  transition:border-color .18s var(--ease),background-color .18s var(--ease),transform .18s var(--ease);
}
.choice:hover{transform:translateY(-2px);border-color:#C9CEBE;}
.choice input{
  appearance:none;-webkit-appearance:none;flex:none;
  width:20px;height:20px;border:1.5px solid #B9BFB0;background:var(--white);
  border-radius:50%;cursor:pointer;position:relative;margin:0;transition:border-color .15s var(--ease),background-color .15s var(--ease);
}
.choice input[type="checkbox"]{border-radius:6px;}
.choice input:checked{background:var(--teal);border-color:var(--teal);}
.choice input:checked::after{
  content:"";position:absolute;left:5px;top:5px;width:8px;height:4px;
  border-left:2px solid var(--lime);border-bottom:2px solid var(--lime);transform:rotate(-45deg);
}
.choice:has(input:checked){border-color:var(--teal);background:rgba(29,65,78,.05);}

.field{margin-bottom:18px;}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--teal);margin-bottom:7px;}
.field .optional{font-weight:400;color:var(--muted);}
.field input,.field textarea{
  width:100%;font-family:inherit;font-size:16px;color:var(--text);
  background:var(--offwhite);border:1.5px solid var(--line);border-radius:12px;
  padding:14px 16px;min-height:52px;
  transition:border-color .18s var(--ease),background-color .18s var(--ease);
}
.field textarea{min-height:auto;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:#9AA69C;}
.field input:focus,.field textarea:focus{background:var(--white);border-color:var(--teal);outline:none;}
.field input:focus-visible,.field textarea:focus-visible{outline:3px solid rgba(29,65,78,.25);outline-offset:1px;}
.field input[aria-invalid="true"],.field textarea[aria-invalid="true"]{border-color:var(--danger);}
.field-error{font-size:14px;color:#C2554E;margin:8px 0 0;}

.form-actions{display:flex;gap:12px;margin-top:28px;}
.form-actions .btn-primary{margin-left:auto;}
#submitBtn{min-width:280px;}

.form-done{text-align:center;}
.form-done h3{font-size:28px;margin-bottom:12px;}
.form-done p{color:var(--muted);font-size:16.5px;max-width:560px;margin-inline:auto;}
.calendar-embed{
  margin-top:28px;background:var(--offwhite);border:1px solid var(--line);border-radius:18px;
  min-height:340px;display:flex;align-items:center;justify-content:center;
  overflow:hidden;
}
.calendar-embed.is-loaded{
  display:block;background:var(--white);min-height:0;
}
.calendar-embed iframe{width:100%;border:0;display:block;}
.cal-title{font-size:17px;font-weight:600;color:var(--teal);margin-bottom:4px;}
.cal-sub{font-size:14px;color:var(--muted);margin:0;}

/* ---------- 14. FAQ ---------- */
.section-faq{background:var(--white);border-block:1px solid var(--line);}
.faq-item{
  background:var(--offwhite);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:10px;overflow:hidden;transition:border-color .2s var(--ease);
}
.faq-item[open]{border-color:#D2D6C8;}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 56px 20px 22px;position:relative;
  font-size:17.5px;font-weight:600;color:var(--teal);min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;width:10px;height:10px;
  border-right:2px solid var(--teal);border-bottom:2px solid var(--teal);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s var(--ease);
}
.faq-item[open] summary::after{transform:translateY(-25%) rotate(-135deg);}
.faq-a{padding:0 22px 22px;animation:fade .28s var(--ease);}
.faq-a p{margin:0;font-size:16.5px;color:var(--muted);max-width:660px;}

/* ---------- 15. Final CTA ---------- */
.final-cta{background:var(--teal-dark);color:var(--offwhite);padding:104px 0;text-align:center;}
.final-cta h2{color:var(--white);max-width:760px;margin:0 auto 20px;}
.final-sub{color:rgba(249,249,243,.72);font-size:18.5px;max-width:600px;margin:0 auto 32px;}
.final-note{margin:22px auto 0;max-width:520px;font-size:14.5px;color:rgba(249,249,243,.55);}

/* ---------- Footer ---------- */
.site-footer{background:var(--teal);color:rgba(249,249,243,.72);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand .logo-word{color:var(--white);}
.footer-brand p{margin-top:14px;font-size:15px;max-width:280px;color:rgba(249,249,243,.6);}
.footer-col{display:flex;flex-direction:column;gap:10px;}
.footer-col h4{font-size:12px;letter-spacing:.12em;text-transform:uppercase;color:rgba(249,249,243,.45);margin-bottom:4px;font-weight:600;}
.footer-col a{text-decoration:none;font-size:15.5px;color:rgba(249,249,243,.8);transition:color .16s var(--ease);}
.footer-col a:hover{color:var(--lime);}
.footer-base{margin-top:48px;padding-top:24px;border-top:1px solid var(--line-dark);}
.footer-base p{margin:0;font-size:13.5px;color:rgba(249,249,243,.45);}

/* ---------- Sticky mobile CTA ---------- */
.sticky-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:90;display:none;
  padding:12px 20px calc(12px + env(safe-area-inset-bottom));
  background:rgba(249,249,243,.94);backdrop-filter:blur(10px);border-top:1px solid var(--line);
  transform:translateY(100%);transition:transform .28s var(--ease);
}
.sticky-cta.is-visible{transform:none;}

/* ==========================================================================
   Responsive
   ========================================================================== */
@media (max-width:1080px){
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero-copy{max-width:none;}
  .promise-grid,.custom-grid{grid-template-columns:1fr;gap:36px;}
  .journey{grid-template-columns:repeat(3,1fr);gap:36px 20px;}
  .journey::before{display:none;}
  .modules{grid-template-columns:repeat(4,1fr);}
  .module,.module-wide{grid-column:span 2;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:900px){
  .site-nav,.header-cta{display:none;}
  .nav-toggle{display:flex;}
  .mobile-nav{display:flex;}
  .mobile-nav[hidden]{display:none;}
  .sticky-cta{display:block;}
  body{padding-bottom:0;}

  .grid-3{grid-template-columns:1fr 1fr;}
  .problem-story{grid-template-columns:1fr;gap:24px;padding:26px;}
  .story-close{max-width:none;}
  .compare,.split,.fit-grid{grid-template-columns:1fr;}
}

@media (max-width:760px){
  body{font-size:17px;}
  .section{padding:64px 0;}
  .wrap{padding:0 22px;}
  .section-head{margin-bottom:36px;}

  .hero{padding:48px 0 72px;}
  .hero .lede{font-size:18px;}
  .cta-row{flex-direction:column;align-items:stretch;}
  .cta-row .btn{width:100%;}

  .flow-panel{padding:20px 18px;}
  .flow-node{grid-template-columns:1fr;padding:10px 10px 10px 0;}
  .node-detail{grid-column:1;}

  .grid-3,.grid-4,.modules{grid-template-columns:1fr;}
  .module,.module-wide{grid-column:span 1;}
  .tick-list.two-col{columns:1;}

  .journey{grid-template-columns:1fr;gap:0;}
  .journey-step{padding:0 0 28px 34px;position:relative;}
  .journey-step::before{
    content:"";position:absolute;left:19px;top:8px;bottom:-8px;width:2px;background:var(--line);
  }
  .journey-step:last-child{padding-bottom:0;}
  .journey-step:last-child::before{display:none;}
  .journey-step .step-num{position:absolute;left:0;top:0;margin:0;width:38px;height:38px;}
  .journey-step h3{padding-top:6px;}

  .demo-tabs{
    flex-wrap:nowrap;overflow-x:auto;justify-content:flex-start;
    margin-inline:-22px;padding:0 22px 6px;
    scrollbar-width:none;-webkit-overflow-scrolling:touch;
  }
  .demo-tabs::-webkit-scrollbar{display:none;}
  .demo-tab{white-space:nowrap;flex:none;}
  .demo-stage{padding:20px 16px;}
  .demo-steps li{flex-direction:column;align-items:flex-start;padding:14px 14px 14px 54px;}
  .dnote{margin-left:0;text-align:left;}

  .compare-col,.split-col,.fit-col{padding:26px 22px;}
  .form-shell{padding:24px 20px;}
  .fstep legend{font-size:21px;}
  .choice-grid,.choice-grid-2,.field-row{grid-template-columns:1fr;}
  .form-actions{flex-direction:column-reverse;}
  .form-actions .btn{width:100%;margin-left:0;}
  #submitBtn{min-width:0;}

  .final-cta{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:span 2;}
  .faq-item summary{font-size:16.5px;padding:18px 48px 18px 18px;}
  .faq-a{padding:0 18px 18px;}
}

@media (max-width:420px){
  .lead-fields{grid-template-columns:1fr;}
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *,*::before,*::after{
    animation-duration:.001ms !important;animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
  }
  .flow-node{opacity:1;}
  .flow-node::before{background:var(--teal);border-color:var(--teal);}
  .demo-steps li{opacity:1;transform:none;}
  .sticky-cta{transition:none;}
}

/* ==========================================================================
   HVAC-specific additions
   ========================================================================== */

/* Section 6 — HVAC modules grid */
.hvac-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.hvac-card{
  background:var(--offwhite);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.hvac-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:rgba(75,124,199,.35);}
.hvac-card .mod-num{color:var(--blue);}
.hvac-card h3{font-size:18px;margin-bottom:10px;}
.hvac-card > p{font-size:15px;color:var(--muted);margin-bottom:12px;}
.hvac-card .note{
  font-size:13px;color:var(--muted);background:var(--white);border:1px solid var(--line);
  border-radius:10px;padding:11px 13px;margin:14px 0 0;
}

/* Blue tick variant — used inside HVAC module cards so the vertical accent reads. */
.tick-list.tick-blue li::before{border-color:var(--blue);}

/* Status pills for service/urgency states */
.status-pill{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;font-weight:600;color:var(--teal);
  background:rgba(144,213,245,.28);border:1px solid rgba(75,124,199,.35);
  padding:5px 11px;border-radius:999px;
}
.status-pill.is-urgent{background:rgba(216,230,13,.22);border-color:rgba(216,230,13,.65);}
.status-pill::before{
  content:"";width:7px;height:7px;border-radius:50%;background:var(--blue);flex:none;
}
.status-pill.is-urgent::before{background:var(--teal);}

/* Pipeline: highlight the active service column with the blue accent */
.pipe-card.is-service{border-color:rgba(75,124,199,.45);background:rgba(144,213,245,.14);}

@media (max-width:1080px){
  .hvac-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:760px){
  .hvac-grid{grid-template-columns:1fr;}
}

/* Section rhythm: the extra HVAC-modules section sits between two off-white
   sections, so it takes white and the demo below it flips to off-white. */
.section-hvac{background:var(--white);border-block:1px solid var(--line);}
.section-demo{background:var(--offwhite);}
.section-demo .demo-tab{background:var(--white);}
.section-demo .demo-tab.is-active{background:var(--teal);border-color:var(--teal);}
.section-demo .demo-stage{background:var(--white);}
.section-demo .demo-steps li{background:var(--offwhite);}
.section-demo .demo-steps li::before{background:var(--white);}
.section-demo .demo-steps li:last-child{background:rgba(216,230,13,.12);}
.section-demo .demo-steps li:last-child::before{background:var(--lime);border-color:var(--lime);}