:root{
  /* permanent dual palette */
  --ice:#4dd7ff;
  --ice-2:#7aa8ff;
  --ice-soft:rgba(77,215,255,.14);
  --fire:#ff7a1a;
  --fire-2:#ff3d3d;
  --fire-soft:rgba(255,122,26,.14);
  --water:#2dd4bf;
  --water-2:#0ea5e9;
  --water-soft:rgba(45,212,191,.14);
  /* third element is now AIR (indoor air quality); same teal, honest name */
  --air:var(--water);
  --air-2:var(--water-2);
  --air-soft:var(--water-soft);
  /* partner accent: Air Quality Heating & Air Conditioning midnight blue.
     #191970 is the border/fill; the tint is what stays legible on our dark bg. */
  --partner:#191970;
  --partner-tint:#a3a8f2;
  --partner-soft:rgba(25,25,112,.45);
  /* active accent (mode-driven) */
  --accent:var(--ice);
  --accent-2:var(--ice-2);
  --accent-soft:var(--ice-soft);
  --bg:#05070d;
  --bg-2:#0a0e18;
  --surface:rgba(255,255,255,.04);
  --line:rgba(255,255,255,.09);
  --text:#eef2f8;
  --muted:#8b93a7;
  --radius:20px;
}
body.heat{
  --accent:var(--fire);
  --accent-2:var(--fire-2);
  --accent-soft:var(--fire-soft);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:'Inter',system-ui,sans-serif;
  overflow-x:hidden;
  cursor:default;
}
::selection{background:var(--accent);color:#05070d}
h1,h2,h3,.display{font-family:'Space Grotesk',sans-serif}

/* fire & ice gradient helpers */
.grad-dual{
  background:linear-gradient(95deg,var(--ice) 0%,var(--ice-2) 35%,var(--fire) 65%,var(--fire-2) 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.grad-ice{background:linear-gradient(95deg,var(--ice),var(--ice-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.grad-fire{background:linear-gradient(95deg,var(--fire),var(--fire-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.grad-water{background:linear-gradient(95deg,var(--water),var(--water-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.grad-air{background:linear-gradient(95deg,var(--air),var(--air-2));-webkit-background-clip:text;background-clip:text;color:transparent}

/* ---------- custom cursor ---------- */
.cursor-dot,.cursor-glow{
  position:fixed;top:0;left:0;pointer-events:none;z-index:9999;
  border-radius:50%;transform:translate(-50%,-50%);
}
.cursor-dot{width:8px;height:8px;background:var(--accent);transition:background .4s}
.cursor-glow{
  width:340px;height:340px;
  background:radial-gradient(circle,var(--accent-soft) 0%,transparent 65%);
  transition:background .6s;
}
@media (hover:none){.cursor-dot,.cursor-glow{display:none}}

/* ---------- nav ---------- */
nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 5vw;
  transition:backdrop-filter .4s,background .4s,border-color .4s;
  border-bottom:1px solid transparent;
}
nav.scrolled{
  backdrop-filter:blur(18px);
  background:rgba(5,7,13,.72);
  border-bottom-color:var(--line);
}
.logo{display:flex;align-items:center;gap:10px;font-family:'Space Grotesk';font-weight:700;font-size:1.15rem;letter-spacing:.04em;text-decoration:none;color:var(--text)}
.logo-mark{
  width:34px;height:34px;border-radius:10px;overflow:hidden;
  display:grid;place-items:center;font-size:1rem;color:#05070d;font-weight:700;
}
.logo-mark svg{display:block;width:100%;height:100%}
.logo-text{display:flex;flex-direction:column;line-height:1.05;min-width:0}
.logo-name{display:flex;align-items:baseline;gap:8px;white-space:nowrap}
.logo-tag{font-weight:400;color:var(--muted);font-size:.72rem;letter-spacing:.14em}
.logo-sub{
  font-family:'Inter',system-ui,sans-serif;font-weight:500;font-size:.6rem;letter-spacing:.06em;
  color:var(--partner-tint);margin-top:4px;white-space:nowrap;
}
@media(max-width:1100px){nav .logo-sub{display:none}}
.nav-links{display:flex;gap:34px;list-style:none}
.nav-links a{
  color:var(--muted);text-decoration:none;font-size:.86rem;font-weight:500;
  letter-spacing:.02em;position:relative;transition:color .25s;
}
.nav-links a::after{
  content:'';position:absolute;left:0;bottom:-6px;height:2px;width:0;
  background:linear-gradient(90deg,var(--ice),var(--fire));transition:width .3s ease;border-radius:2px;
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{width:100%}
.nav-cta{
  font-family:'Space Grotesk';font-weight:600;font-size:.85rem;
  padding:11px 22px;border-radius:999px;border:none;cursor:pointer;
  background:linear-gradient(135deg,var(--ice),var(--fire));
  color:#05070d;letter-spacing:.03em;
  transition:transform .25s,box-shadow .25s;
}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 30px rgba(255,122,26,.25)}
.menu-btn{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(10,14,24,.6);color:var(--text);font-size:1.3rem;cursor:pointer;
  align-items:center;justify-content:center;backdrop-filter:blur(8px);
}
.mobile-menu{
  position:fixed;top:0;left:0;right:0;z-index:99;
  background:rgba(5,7,13,.96);backdrop-filter:blur(20px);
  border-bottom:1px solid var(--line);
  padding:90px 8vw 34px;display:none;flex-direction:column;gap:6px;
}
.mobile-menu.open{display:flex}
.mobile-menu a{
  color:var(--text);text-decoration:none;font-family:'Space Grotesk';font-weight:600;
  font-size:1.25rem;padding:14px 0;border-bottom:1px solid var(--line);
}
.mobile-menu a:last-child{border-bottom:none;color:var(--accent)}
@media(max-width:820px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .menu-btn{display:flex}
  .logo-tag{display:none}
}

/* ---------- hero: split fire/ice ---------- */
.hero{
  position:relative;min-height:100vh;min-height:100svh;
  display:flex;flex-direction:column;justify-content:center;
  padding:168px 5vw 90px;overflow:hidden; /* clears the .side-tag pills (top:110px) now that the hero carries the partner badge */
  user-select:none;
}
#heroCanvas{position:absolute;inset:0;width:100%;height:100%;z-index:0}
/* draggable divider handle */
.divider-handle{
  position:absolute;top:0;bottom:0;z-index:4;width:0;
  pointer-events:none;
}
.divider-handle .grip{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:52px;height:52px;border-radius:50%;
  background:rgba(10,14,24,.8);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.25);
  display:grid;place-items:center;cursor:grab;pointer-events:auto;
  box-shadow:0 0 0 6px rgba(255,255,255,.05),0 10px 40px rgba(0,0,0,.5);
  transition:transform .2s;
  touch-action:none;
}
.divider-handle .grip:hover{transform:translate(-50%,-50%) scale(1.1)}
.divider-handle .grip:active{cursor:grabbing}
.divider-handle .grip svg{width:22px;height:22px;stroke:#fff}
.side-tag{
  position:absolute;top:110px;z-index:3;
  font-family:'Space Grotesk';font-size:.72rem;font-weight:600;
  letter-spacing:.3em;text-transform:uppercase;
  padding:8px 16px;border-radius:999px;border:1px solid var(--line);
  background:rgba(5,7,13,.4);backdrop-filter:blur(8px);
  transition:opacity .4s;pointer-events:none;
}
.side-tag.ice-tag{left:5vw;color:var(--ice)}
.side-tag.fire-tag{right:5vw;color:var(--fire)}
.hero-inner{position:relative;z-index:2;max-width:1200px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:10px;
  font-size:.78rem;letter-spacing:.22em;text-transform:uppercase;color:var(--muted);
  border:1px solid var(--line);padding:8px 18px;border-radius:999px;
  background:rgba(5,7,13,.5);backdrop-filter:blur(8px);
  animation:fadeUp .9s .1s both;
}
.pulse-dot{width:8px;height:8px;border-radius:50%;background:#34d399;animation:pulse 2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(52,211,153,.55)}70%{box-shadow:0 0 0 12px rgba(52,211,153,0)}100%{box-shadow:0 0 0 0 rgba(52,211,153,0)}}
.hero h1{
  font-size:clamp(2.3rem,6.4vw,5.4rem);
  line-height:1.02;font-weight:700;letter-spacing:-.03em;
  margin:28px 0 26px;
  text-shadow:0 2px 30px rgba(0,0,0,.6);
}
.hero h1 .word{display:inline-block;overflow:hidden;vertical-align:top}
.hero h1 .word span{display:inline-block;transform:translateY(110%);animation:riseIn .85s cubic-bezier(.2,.7,.2,1) forwards}
@keyframes riseIn{to{transform:translateY(0)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.hero p.lede{max-width:640px;color:#c3cadb;font-size:1.08rem;line-height:1.7;animation:fadeUp .9s .55s both;text-shadow:0 1px 14px rgba(0,0,0,.7)}
/* partner badge: the one place the partner's midnight blue shows up in the hero */
.partner-badge{
  display:inline-flex;align-items:center;gap:12px;max-width:100%;
  margin-top:22px;padding:10px 18px 10px 10px;border-radius:14px;
  text-decoration:none;color:var(--text);
  border:1px solid var(--partner);
  background:linear-gradient(135deg,var(--partner-soft),rgba(5,7,13,.65));
  backdrop-filter:blur(8px);
  box-shadow:0 0 0 1px rgba(25,25,112,.35),0 10px 30px rgba(0,0,0,.35);
  animation:fadeUp .9s .62s both;
  transition:border-color .25s,transform .25s;
}
.partner-badge:hover{border-color:var(--partner-tint);transform:translateY(-2px)}
.pb-mark{
  width:36px;height:36px;border-radius:9px;flex-shrink:0;
  background:var(--partner);color:#fff;
  font-family:'Space Grotesk';font-weight:700;font-size:.8rem;letter-spacing:.04em;
  display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
}
.pb-text{display:flex;flex-direction:column;gap:3px;min-width:0}
.pb-text b{font-family:'Space Grotesk';font-size:.86rem;font-weight:600;letter-spacing:.01em}
.pb-text small{color:var(--partner-tint);font-size:.68rem;letter-spacing:.06em;text-transform:uppercase}
.hero-actions{display:flex;gap:16px;margin-top:28px;flex-wrap:wrap;animation:fadeUp .9s .7s both}
.btn{
  font-family:'Space Grotesk';font-weight:600;font-size:.95rem;letter-spacing:.02em;
  padding:16px 34px;border-radius:999px;cursor:pointer;text-decoration:none;
  display:inline-flex;align-items:center;gap:10px;border:none;
  transition:transform .25s,box-shadow .25s,color .3s,border-color .3s;
  will-change:transform;
}
.btn-primary{background:linear-gradient(135deg,var(--ice),var(--fire));color:#05070d}
.btn-primary:hover{box-shadow:0 12px 44px rgba(255,122,26,.28)}
.btn-ghost{background:rgba(5,7,13,.45);color:var(--text);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(6px)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
.hero-meta{
  display:flex;gap:36px;margin-top:64px;flex-wrap:wrap;
  animation:fadeUp .9s .85s both;
}
.hero-meta .m{display:flex;flex-direction:column;gap:4px}
.hero-meta .m b{font-family:'Space Grotesk';font-size:1.35rem;text-shadow:0 1px 12px rgba(0,0,0,.7)}
.hero-meta .m small{color:var(--muted);font-size:.78rem;letter-spacing:.05em;text-transform:uppercase}
.drag-cue{
  position:absolute;bottom:26px;left:50%;transform:translateX(-50%);z-index:3;
  color:#c3cadb;font-size:.72rem;letter-spacing:.24em;text-transform:uppercase;
  display:flex;align-items:center;gap:12px;animation:fadeUp 1s 1.4s both;
  background:rgba(5,7,13,.45);padding:9px 20px;border-radius:999px;border:1px solid var(--line);backdrop-filter:blur(8px);
  white-space:nowrap;
}
.drag-cue b{color:#fff;font-weight:600;letter-spacing:.24em}

/* mode toggle */
.mode-toggle{
  position:absolute;right:5vw;bottom:26px;z-index:5;
  display:flex;align-items:center;gap:14px;
  background:rgba(10,14,24,.65);border:1px solid var(--line);
  padding:10px 14px;border-radius:999px;backdrop-filter:blur(12px);
  animation:fadeUp .9s 1s both;
}
.mode-toggle span{font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted);transition:color .3s}
.mode-toggle span.on{color:var(--text)}
.switch{
  width:56px;height:30px;border-radius:999px;background:rgba(255,255,255,.1);
  position:relative;cursor:pointer;border:1px solid var(--line);flex-shrink:0;
}
.switch::after{
  content:'';position:absolute;top:3px;left:3px;width:22px;height:22px;border-radius:50%;
  background:linear-gradient(135deg,var(--ice),var(--ice-2));
  transition:transform .35s cubic-bezier(.6,-0.2,.3,1.4),background .5s;
}
body.heat .switch::after{transform:translateX(26px);background:linear-gradient(135deg,var(--fire),var(--fire-2))}
.temp-readout{
  font-family:'Space Grotesk';font-size:.95rem;font-weight:600;color:var(--accent);
  min-width:44px;text-align:center;transition:color .5s;
}
@media(max-width:820px){
  .mode-toggle{position:static;margin-top:40px;align-self:flex-start}
  .drag-cue{display:none}
  .side-tag{top:84px;font-size:.6rem;padding:6px 12px;letter-spacing:.2em}
  .hero{padding:110px 6vw 60px}
}
@media(max-width:640px){
  /* the two pills are wider than a phone side by side: stack them, and push the hero copy below both */
  .side-tag.fire-tag{top:116px}
  .hero{padding-top:164px}
  .hero-meta{gap:22px;margin-top:44px}
  .hero-actions{margin-top:30px}
  .hero-actions .btn{width:100%;justify-content:center}
  .partner-badge{margin-top:22px;padding:10px 14px 10px 10px}
  .pb-text b{font-size:.8rem;line-height:1.25}
  .pb-text small{text-transform:none;letter-spacing:.02em;font-size:.7rem}
  .divider-handle .grip{width:44px;height:44px}
  section{padding:70px 6vw}
  .section-head{margin-bottom:40px}
  .stats{grid-template-columns:1fr 1fr}
  .stat{padding:26px 20px}
  .stat b{font-size:1.9rem}
  .process{gap:28px}
  .estimator{gap:36px}
  .cta{margin:0 4vw 90px;padding:70px 7vw}
  .fine{flex-direction:column;gap:8px}
  .ribbon{font-size:.76rem;padding:10px 16px 10px 12px;bottom:calc(12px + env(safe-area-inset-bottom))}
}

/* ---------- marquee ---------- */
.marquee{
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:22px 0;overflow:hidden;background:var(--bg-2);white-space:nowrap;position:relative;
}
.marquee::before{
  content:'';position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(90deg,var(--ice-soft),transparent 25%,transparent 75%,var(--fire-soft));
}
.marquee-track{display:inline-block;animation:scroll 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{
  font-family:'Space Grotesk';font-size:1.05rem;font-weight:500;
  color:var(--muted);margin:0 28px;letter-spacing:.06em;
}
.marquee-track em{font-style:normal}
.marquee-track em.i{color:var(--ice)}
.marquee-track em.f{color:var(--fire)}
.marquee-track em.w{color:var(--water)}
.marquee-track em.a{color:var(--air)}
@keyframes scroll{from{transform:translateX(0)}to{transform:translateX(-50%)}}

/* ---------- sections ---------- */
section{padding:110px 5vw;position:relative;scroll-margin-top:78px}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.nav-links a.active{color:var(--text)}
.nav-links a.active::after{width:100%}
.section-head{max-width:860px;margin-bottom:64px}
.kicker{
  font-size:.75rem;letter-spacing:.26em;text-transform:uppercase;
  font-weight:600;display:block;margin-bottom:18px;color:var(--accent);transition:color .5s;
}
.kicker.k-ice{color:var(--ice)}
.kicker.k-fire{color:var(--fire)}
.kicker.k-partner{color:var(--partner-tint)}
.section-head h2{font-size:clamp(2rem,4.6vw,3.4rem);letter-spacing:-.02em;line-height:1.08}
.section-head p{color:var(--muted);margin-top:18px;font-size:1.02rem;line-height:1.7;max-width:620px}

/* reveal on scroll (staggered cascade via --rd) */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .8s cubic-bezier(.2,.7,.2,1) var(--rd,0s),transform .8s cubic-bezier(.2,.7,.2,1) var(--rd,0s)}
.reveal.in{opacity:1;transform:translateY(0)}

/* ---------- motion flow system ---------- */
#flowCanvas{position:fixed;inset:0;z-index:-1;pointer-events:none}
.journey{position:fixed;left:0;top:0;bottom:0;width:3px;z-index:95;background:rgba(255,255,255,.04);pointer-events:none}
.journey i{display:block;width:100%;height:var(--jp,0%);background:linear-gradient(180deg,var(--ice) 0%,var(--fire) 55%,var(--water) 100%);transition:height .1s linear}
.journey s{position:absolute;left:50%;top:var(--jp,0%);transform:translate(-50%,-50%);width:11px;height:11px;border-radius:50%;background:#fff;box-shadow:0 0 14px 3px var(--accent-soft),0 0 4px #fff}
@media(max-width:820px){.journey{display:none}}
section{will-change:transform}
/* button shine sweep */
.btn-primary{position:relative;overflow:hidden}
.btn-primary::after{
  content:'';position:absolute;top:0;bottom:0;left:-80%;width:50%;
  background:linear-gradient(105deg,transparent,rgba(255,255,255,.55),transparent);
  transform:skewX(-20deg);transition:none;
}
.btn-primary:hover::after{left:130%;transition:left .6s ease}
/* icon micro-motion */
@keyframes icoPop{0%{transform:scale(1) rotate(0)}40%{transform:scale(1.18) rotate(-8deg)}100%{transform:scale(1) rotate(0)}}
.card:hover .ico svg{animation:icoPop .5s ease}
/* ambient breathing */
@keyframes breathe{0%,100%{filter:hue-rotate(0deg) brightness(1)}50%{filter:hue-rotate(18deg) brightness(1.15)}}
.logo-mark{animation:breathe 9s ease-in-out infinite}
@keyframes ctaPulse{0%,100%{opacity:.75}50%{opacity:1}}
.cta{animation:ctaPulse 7s ease-in-out infinite}
@media(prefers-reduced-motion:reduce){
  .logo-mark,.cta,.card:hover .ico svg{animation:none}
  .reveal{transition-delay:0s}
}

/* ---------- stats ---------- */
.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{background:var(--bg);padding:44px 32px;transition:background .3s;position:relative;overflow:hidden}
.stat::after{content:'';position:absolute;left:0;top:0;bottom:0;width:3px;opacity:.8}
.stat:nth-child(odd)::after{background:linear-gradient(180deg,var(--ice),transparent)}
.stat:nth-child(even)::after{background:linear-gradient(180deg,var(--fire),transparent)}
.stat:hover{background:var(--bg-2)}
.stat b{font-family:'Space Grotesk';font-size:clamp(2.2rem,4vw,3.2rem);font-weight:700;display:block;letter-spacing:-.02em}
.stat:nth-child(odd) b i{font-style:normal;color:var(--ice)}
.stat:nth-child(even) b i{font-style:normal;color:var(--fire)}
.stat small{color:var(--muted);font-size:.85rem;margin-top:8px;display:block}

/* ---------- services: fire cards & ice cards ---------- */
.services-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:22px}
.card{
  position:relative;border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);padding:38px 32px;overflow:hidden;
  transition:transform .35s cubic-bezier(.2,.7,.2,1),border-color .35s;
  transform-style:preserve-3d;
  --c:var(--ice);--c2:var(--ice-2);--csoft:var(--ice-soft);
}
.card.fire{--c:var(--fire);--c2:var(--fire-2);--csoft:var(--fire-soft)}
.card.water{--c:var(--water);--c2:var(--water-2);--csoft:var(--water-soft)}
.card.air{--c:var(--air);--c2:var(--air-2);--csoft:var(--air-soft)}
.card::before{
  content:'';position:absolute;inset:0;opacity:0;transition:opacity .4s;
  background:radial-gradient(600px circle at var(--mx,50%) var(--my,50%),var(--csoft),transparent 45%);
}
.card::after{
  content:'';position:absolute;left:0;right:0;top:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--c),transparent);
  opacity:.5;
}
.card:hover{border-color:rgba(255,255,255,.22)}
.card:hover::before{opacity:1}
.card>*{position:relative;z-index:1}
.card .ico{
  width:52px;height:52px;border-radius:14px;display:grid;place-items:center;
  background:var(--csoft);margin-bottom:24px;
}
.card .ico svg{width:26px;height:26px;stroke:var(--c)}
.card h3{font-size:1.25rem;margin-bottom:12px;letter-spacing:-.01em}
.card p{color:var(--muted);font-size:.93rem;line-height:1.65}
.card .card-link{
  margin-top:22px;display:inline-flex;align-items:center;gap:8px;
  color:var(--c);font-size:.86rem;font-weight:600;text-decoration:none;
  transition:gap .25s;
}
.card .card-link:hover{gap:14px}
.card .badge{
  position:absolute;top:22px;right:22px;font-size:.62rem;font-weight:600;
  letter-spacing:.16em;text-transform:uppercase;color:var(--c);
  border:1px solid var(--c);border-radius:999px;padding:5px 12px;opacity:.85;
}

/* ---------- process ---------- */
.process{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:40px;counter-reset:step}
.step{position:relative;padding-top:26px}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  font-family:'Space Grotesk';font-size:3.6rem;font-weight:700;
  color:transparent;-webkit-text-stroke:1px var(--accent);
  position:absolute;top:-18px;left:0;opacity:.55;
}
.step h3{font-size:1.1rem;margin-bottom:10px;padding-top:34px}
.step p{color:var(--muted);font-size:.9rem;line-height:1.65}
.process-line{height:2px;background:var(--line);margin:0 5vw 70px;position:relative;border-radius:2px;overflow:hidden}
.process-line i{position:absolute;left:0;top:0;bottom:0;width:0;background:linear-gradient(90deg,var(--ice),var(--fire));transition:width .2s linear}

/* ---------- why partners ----------
   Markup ships literal <span class="n">01</span> numbers (not CSS counters like
   .step above), but no rule ever styled .why-grid/.why-item/.why-item .n - the
   section rendered as one unstyled column of run-on text, number jammed
   straight into the title with no line break. Styled to match .step's outlined
   Space Grotesk numeral so the two numbered sections read as one system. */
.why-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:36px 40px;margin-top:8px}
.why-item{position:relative}
.why-item .n{
  display:block;font-family:'Space Grotesk';font-size:1.7rem;font-weight:700;
  color:transparent;-webkit-text-stroke:1px var(--accent);opacity:.6;
  margin-bottom:10px;line-height:1;
}
.why-item b{display:block;font-size:1.05rem;margin-bottom:8px;letter-spacing:-.01em}
.why-item p{color:var(--muted);font-size:.9rem;line-height:1.65}

/* ---------- about our partner ----------
   Two-column band in the estimator's shape; the only section that leans on the
   partner's midnight blue (left rule + soft glow) instead of ice/fire. */
.partner-band{
  display:grid;grid-template-columns:1.3fr 1fr;gap:56px;align-items:start;
  border:1px solid var(--line);border-left:3px solid var(--partner);
  border-radius:calc(var(--radius) + 8px);
  padding:clamp(32px,5vw,64px);
  background:
    radial-gradient(600px 300px at 0% 0%,rgba(25,25,112,.40),transparent 55%),
    linear-gradient(160deg,var(--bg-2),var(--bg));
}
@media(max-width:900px){.partner-band{grid-template-columns:1fr;gap:36px}}
.partner-band h2{font-size:clamp(1.7rem,3.4vw,2.6rem);letter-spacing:-.02em;line-height:1.1}
.partner-intro p{color:var(--muted);line-height:1.7;margin-top:18px;font-size:.98rem;max-width:620px}
.partner-facts{display:flex;gap:32px 40px;flex-wrap:wrap;margin-top:30px}
.partner-facts span{display:flex;flex-direction:column;gap:4px}
.partner-facts b{font-family:'Space Grotesk';font-size:1.1rem;letter-spacing:-.01em}
.partner-facts small{color:var(--partner-tint);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase}
.partner-area{border:1px solid var(--line);border-radius:var(--radius);background:var(--surface);padding:30px 28px}
.partner-area h4{font-size:.75rem;letter-spacing:.24em;text-transform:uppercase;color:var(--partner-tint);margin-bottom:14px}
.partner-cities{color:var(--text);opacity:.85;line-height:1.75;font-size:.92rem}
.partner-note{color:var(--muted);font-size:.8rem;margin-top:14px;letter-spacing:.04em}

/* ---------- estimator ---------- */
.estimator{
  border:1px solid var(--line);border-radius:calc(var(--radius) + 8px);
  background:
    radial-gradient(600px 300px at 0% 0%,var(--ice-soft),transparent 55%),
    radial-gradient(600px 300px at 100% 100%,var(--fire-soft),transparent 55%),
    linear-gradient(160deg,var(--bg-2),var(--bg));
  padding:clamp(32px,5vw,64px);display:grid;grid-template-columns:1.2fr 1fr;gap:56px;align-items:center;
}
@media(max-width:900px){.estimator{grid-template-columns:1fr}}
.estimator h3{font-size:clamp(1.5rem,3vw,2.2rem);letter-spacing:-.02em;margin-bottom:14px}
.estimator p{color:var(--muted);line-height:1.7;font-size:.95rem}
.slider-wrap{margin-top:36px}
.slider-labels{display:flex;justify-content:space-between;color:var(--muted);font-size:.78rem;margin-bottom:12px;letter-spacing:.04em}
input[type=range]{
  -webkit-appearance:none;width:100%;height:6px;border-radius:3px;
  background:linear-gradient(90deg,var(--ice) 0%,var(--fire) var(--fill,50%),rgba(255,255,255,.12) var(--fill,50%));
  outline:none;cursor:pointer;
}
input[type=range]::-webkit-slider-thumb{
  -webkit-appearance:none;width:24px;height:24px;border-radius:50%;
  background:#fff;border:5px solid var(--fire);cursor:grab;
  box-shadow:0 0 0 6px var(--fire-soft);
}
.est-result{
  text-align:center;border:1px solid var(--line);border-radius:var(--radius);
  padding:44px 32px;background:var(--surface);backdrop-filter:blur(8px);
}
.est-result small{color:var(--muted);letter-spacing:.16em;text-transform:uppercase;font-size:.72rem}
.est-result .big{
  font-family:'Space Grotesk';font-size:clamp(2.6rem,5vw,4rem);font-weight:700;
  margin:14px 0 6px;letter-spacing:-.02em;
}
.est-result .sub{color:var(--muted);font-size:.85rem}
.est-note{font-size:.72rem;color:var(--muted);margin-top:22px;opacity:.7}

/* ---------- testimonials ---------- */
.testis{display:flex;gap:22px;overflow-x:auto;padding-bottom:20px;scroll-snap-type:x mandatory;scrollbar-width:none}
.testis::-webkit-scrollbar{display:none}
.testi{
  min-width:min(420px,86vw);scroll-snap-align:start;
  border:1px solid var(--line);border-radius:var(--radius);
  background:var(--surface);padding:36px 32px;
}
.testi.ice .stars{color:var(--ice)}
.testi.fire .stars{color:var(--fire)}
.stars{letter-spacing:4px;margin-bottom:18px}
.testi p{color:var(--text);line-height:1.7;font-size:.98rem}
.testi footer{margin-top:24px;display:flex;align-items:center;gap:14px}
.avatar{
  width:44px;height:44px;border-radius:50%;flex-shrink:0;
  display:grid;place-items:center;font-family:'Space Grotesk';font-weight:700;color:#05070d;
}
.testi.ice .avatar{background:linear-gradient(135deg,var(--ice),var(--ice-2))}
.testi.fire .avatar{background:linear-gradient(135deg,var(--fire),var(--fire-2))}
.testi footer b{font-size:.9rem;display:block}
.testi footer small{color:var(--muted);font-size:.78rem}
.drag-hint{color:var(--muted);font-size:.78rem;letter-spacing:.1em;text-transform:uppercase;margin-top:8px;display:flex;align-items:center;gap:10px}

/* ---------- map ---------- */
.map-section{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
@media(max-width:900px){.map-section{grid-template-columns:1fr}}
.metro-map{width:100%;max-width:520px;margin:auto;display:block}
.metro-map .zone{fill:var(--accent-soft);stroke:var(--accent);stroke-width:1;opacity:.55;transition:fill .5s,stroke .5s}
.city-dot{fill:var(--accent);transition:fill .5s}
.city-ring{fill:none;stroke:var(--accent);stroke-width:1.5;opacity:0;transform-origin:center;animation:ring 3s ease-out infinite}
@keyframes ring{0%{opacity:.8;r:4}100%{opacity:0;r:26}}
.city-label{fill:#c7cede;font-family:'Inter';font-size:11px}
.area-list{display:grid;grid-template-columns:1fr 1fr;gap:12px 28px;margin-top:34px}
.area-list span{color:var(--muted);font-size:.92rem;display:flex;align-items:center;gap:10px}
.area-list span::before{content:'';width:6px;height:6px;border-radius:50%}
.area-list span:nth-child(odd)::before{background:var(--ice)}
.area-list span:nth-child(even)::before{background:var(--fire)}

/* ---------- faq ---------- */
.faq{max-width:820px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;background:none;border:none;color:var(--text);
  font-family:'Space Grotesk';font-size:1.1rem;font-weight:600;text-align:left;
  padding:28px 48px 28px 0;cursor:pointer;position:relative;letter-spacing:-.01em;
}
.faq-q::after{
  content:'+';position:absolute;right:4px;top:50%;transform:translateY(-50%);
  font-size:1.6rem;font-weight:300;color:var(--accent);transition:transform .35s,color .5s;
}
.faq-item.open .faq-q::after{transform:translateY(-50%) rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .45s cubic-bezier(.2,.7,.2,1)}
.faq-a p{color:var(--muted);line-height:1.7;padding:0 0 28px;font-size:.95rem;max-width:680px}

/* ---------- cta: fire & ice collision ---------- */
.cta{
  margin:0 5vw 110px;border-radius:calc(var(--radius) + 12px);
  padding:clamp(60px,9vw,120px) 5vw;text-align:center;position:relative;overflow:hidden;
  background:
    radial-gradient(700px 420px at 12% 10%,rgba(77,215,255,.18),transparent 60%),
    radial-gradient(700px 420px at 88% 90%,rgba(255,122,26,.20),transparent 60%),
    var(--bg-2);
  border:1px solid var(--line);
}
#ctaCanvas{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.cta>*{position:relative;z-index:1}
.cta h2{font-size:clamp(2.2rem,5.5vw,4.2rem);letter-spacing:-.03em;line-height:1.05;max-width:820px;margin:0 auto 24px}
.cta p{color:var(--muted);max-width:520px;margin:0 auto 40px;line-height:1.7}
.cta .phone{
  display:block;font-family:'Space Grotesk';font-size:clamp(1.4rem,3.4vw,2.2rem);
  font-weight:700;text-decoration:none;margin-top:30px;letter-spacing:.02em;
}

/* ---------- footer ---------- */
footer.site{
  /* 150px bottom: the ribbon, chat launcher and toast are fixed to the viewport
     bottom, so at the end of the page they sit on top of whatever is last -- the
     copyright / co-brand line. Their stack is ~66px on desktop, ~122px on a phone
     (chat above the two-line ribbon), and the toast tops out ~136px. The old
     120px mobile value lived in a media query ABOVE this rule and lost to it on
     source order, so it never applied. */
  border-top:1px solid var(--line);padding:60px 5vw 150px;
  display:flex;flex-wrap:wrap;gap:40px;justify-content:space-between;align-items:flex-start;
  background:var(--bg-2);
}
footer.site .cols{display:flex;gap:70px;flex-wrap:wrap}
footer.site h4{font-size:.78rem;letter-spacing:.2em;text-transform:uppercase;color:var(--muted);margin-bottom:18px}
footer.site a{display:block;color:var(--text);text-decoration:none;font-size:.9rem;margin-bottom:12px;opacity:.85;transition:color .25s}
footer.site a:hover{color:var(--accent)}
footer.site a.logo{display:flex;opacity:1;margin-bottom:0} /* the block rule above would stack the mark over the wordmark */
.fine{width:100%;color:var(--muted);font-size:.78rem;margin-top:30px;border-top:1px solid var(--line);padding-top:26px;display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px}

/* ---------- booking modal ---------- */
.modal-overlay{
  position:fixed;inset:0;z-index:300;display:none;align-items:center;justify-content:center;
  background:rgba(3,5,10,.75);backdrop-filter:blur(10px);padding:18px;
}
.modal-overlay.open{display:flex;animation:fadeUp .25s both}
.modal{
  background:linear-gradient(170deg,var(--bg-2),var(--bg));border:1px solid var(--line);
  border-radius:24px;max-width:580px;width:100%;padding:clamp(26px,4vw,44px);
  position:relative;max-height:92vh;overflow-y:auto;
}
.modal::before{content:'';position:absolute;left:0;right:0;top:0;height:3px;border-radius:24px 24px 0 0;
  background:linear-gradient(90deg,var(--ice),var(--fire),var(--water))}
.modal h3{font-size:1.5rem;letter-spacing:-.01em;margin-bottom:6px}
.modal .sub{color:var(--muted);font-size:.9rem;margin-bottom:26px}
.modal-close{
  position:absolute;top:18px;right:18px;width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);background:none;color:var(--muted);font-size:1.1rem;cursor:pointer;
  transition:color .2s,border-color .2s;
}
.modal-close:hover{color:var(--text);border-color:var(--accent)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.form-grid .full{grid-column:1/-1}
@media(max-width:560px){.form-grid{grid-template-columns:1fr}}
.field label{display:block;font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);margin-bottom:8px;font-weight:600}
.field input,.field select,.field textarea{
  width:100%;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;
  color:var(--text);padding:13px 15px;font-family:'Inter';font-size:.95rem;outline:none;
  transition:border-color .25s,box-shadow .25s;
}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft)}
.field select{appearance:none;background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='none'><path d='M1 1l5 5 5-5' stroke='%238b93a7' stroke-width='2'/></svg>");background-repeat:no-repeat;background-position:right 15px center}
.field textarea{min-height:88px;resize:vertical}
.form-error{display:none;color:#f87171;font-size:.85rem;margin-top:14px}
.form-error.show{display:block}
.booking-success{display:none;text-align:center;padding:30px 10px}
.booking-success.show{display:block}
.booking-success .check{
  width:74px;height:74px;border-radius:50%;margin:0 auto 22px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--ice),var(--water));font-size:2rem;color:#05070d;
}
/* toast */
.toast{
  position:fixed;bottom:90px;left:50%;transform:translate(-50%,20px);z-index:400;opacity:0;
  background:rgba(10,14,24,.95);border:1px solid var(--line);border-radius:999px;
  padding:13px 26px;font-size:.88rem;pointer-events:none;transition:opacity .3s,transform .3s;
  backdrop-filter:blur(10px);white-space:nowrap;
}
.toast.show{opacity:1;transform:translate(-50%,0)}
.toast b{color:var(--accent)}
/* back to top */
.to-top{
  position:fixed;right:24px;bottom:90px;z-index:90;width:46px;height:46px;border-radius:50%;
  border:1px solid var(--line);background:rgba(10,14,24,.8);backdrop-filter:blur(10px);
  color:var(--text);font-size:1.1rem;cursor:pointer;opacity:0;pointer-events:none;
  transition:opacity .3s,transform .3s,border-color .2s;transform:translateY(8px);
}
.to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
.to-top:hover{border-color:var(--accent);color:var(--accent)}
@media(max-width:640px){.to-top{bottom:150px;right:14px}}

/* ---------- chat widget ---------- */
.chat-launch{
  position:fixed;right:24px;bottom:24px;z-index:150;
  display:flex;align-items:center;gap:10px;cursor:pointer;
  background:linear-gradient(135deg,var(--ice),var(--fire));color:#05070d;
  border:none;border-radius:999px;padding:13px 20px 13px 16px;
  font-family:'Space Grotesk';font-weight:600;font-size:.9rem;
  box-shadow:0 10px 34px rgba(0,0,0,.45);transition:transform .25s,box-shadow .25s;
}
.chat-launch:hover{transform:translateY(-3px);box-shadow:0 16px 44px rgba(255,122,26,.3)}
.chat-launch .cl-ico{width:24px;height:24px;display:grid;place-items:center}
.chat-launch .cl-ico svg{width:22px;height:22px}
.chat-launch.hide{opacity:0;pointer-events:none;transform:scale(.8)}
.chat-launch .ping{position:absolute;top:-3px;right:-3px;width:12px;height:12px;border-radius:50%;background:#34d399;border:2px solid var(--bg);animation:pulse 2s infinite}
@media(max-width:640px){.chat-launch{bottom:74px;right:14px;padding:12px 16px}}

.chat-panel{
  position:fixed;right:24px;bottom:24px;z-index:160;width:390px;max-width:calc(100vw - 32px);
  height:600px;max-height:calc(100vh - 40px);
  background:var(--bg-2);border:1px solid var(--line);border-radius:22px;overflow:hidden;
  display:none;flex-direction:column;box-shadow:0 24px 70px rgba(0,0,0,.6);
  animation:chatIn .3s cubic-bezier(.2,.7,.2,1);
}
.chat-panel.open{display:flex}
@keyframes chatIn{from{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:none}}
@media(max-width:640px){.chat-panel{right:8px;bottom:8px;width:calc(100vw - 16px);height:calc(100vh - 80px)}}
.chat-head{
  display:flex;align-items:center;gap:12px;padding:16px 18px;border-bottom:1px solid var(--line);
  background:linear-gradient(100deg,rgba(77,215,255,.1),rgba(255,122,26,.1));flex-shrink:0;
}
.chat-head .av{width:38px;height:38px;border-radius:11px;background:linear-gradient(135deg,var(--ice),var(--fire));display:grid;place-items:center;color:#05070d;font-weight:700;font-family:'Space Grotesk'}
.chat-head b{font-family:'Space Grotesk';font-size:.98rem;display:block}
.chat-head small{color:var(--muted);font-size:.72rem;display:flex;align-items:center;gap:6px}
.chat-head small::before{content:'';width:7px;height:7px;border-radius:50%;background:#34d399}
.chat-head .x{margin-left:auto;background:none;border:none;color:var(--muted);font-size:1.2rem;cursor:pointer;width:32px;height:32px;border-radius:8px}
.chat-head .x:hover{color:var(--text);background:rgba(255,255,255,.06)}
.chat-body{flex:1;overflow-y:auto;padding:20px 18px;display:flex;flex-direction:column;gap:14px;scroll-behavior:smooth}
.msg{max-width:82%;padding:12px 15px;border-radius:15px;font-size:.9rem;line-height:1.55}
.msg p{margin:0 0 .6em}
.msg p:last-child{margin-bottom:0}
.msg strong{font-weight:700;color:var(--ice)}
.msg.user strong{color:inherit}
.msg ul,.msg ol{margin:.5em 0 .6em;padding-left:1.15em}
.msg ul{list-style:none;padding-left:.15em}
.msg ul>li{position:relative;padding-left:1.05em;margin:0 0 .42em}
.msg ul>li:before{content:'';position:absolute;left:.1em;top:.58em;width:5px;height:5px;border-radius:50%;background:var(--ice)}
.msg ol>li{margin:0 0 .42em}
.msg li:last-child{margin-bottom:0}
.msg li>strong:first-child{display:inline}
.msg code{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.86em;background:rgba(255,255,255,.09);padding:1px 5px;border-radius:5px}
.msg.bot{align-self:flex-start;background:var(--surface);border:1px solid var(--line);border-bottom-left-radius:5px}
.msg.user{align-self:flex-end;background:linear-gradient(135deg,var(--ice),var(--water));color:#05070d;border-bottom-right-radius:5px;font-weight:500}
.msg.emerg{align-self:stretch;max-width:100%;background:var(--danger-fill,rgba(244,63,94,.12));border:1px solid #f43f5e;color:var(--text)}
.msg.emerg .call{display:inline-flex;align-items:center;gap:8px;margin-top:10px;background:#f43f5e;color:#fff;text-decoration:none;font-weight:700;padding:10px 18px;border-radius:999px;font-size:.9rem}
.msg.ticket{align-self:stretch;max-width:100%;background:var(--accent-soft);border:1px solid var(--accent);color:var(--text)}
.msg.ticket .call{display:inline-flex;align-items:center;gap:8px;margin-top:10px;background:linear-gradient(135deg,var(--ice),var(--fire));color:#05070d;text-decoration:none;font-weight:700;padding:10px 18px;border-radius:999px;font-size:.9rem}
.typing{align-self:flex-start;display:flex;gap:4px;padding:14px 16px;background:var(--surface);border:1px solid var(--line);border-radius:15px}
.typing i{width:7px;height:7px;border-radius:50%;background:var(--muted);animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.25}30%{opacity:1}}
.chat-quick{display:flex;gap:8px;flex-wrap:wrap;padding:0 18px 12px}
.chat-quick button{background:var(--surface);border:1px solid var(--line);color:var(--text);font-size:.78rem;padding:8px 13px;border-radius:999px;cursor:pointer;transition:border-color .2s}
.chat-quick button:hover{border-color:var(--accent)}
.chat-input{display:flex;gap:9px;padding:14px 16px;border-top:1px solid var(--line);flex-shrink:0}
.chat-input input{flex:1;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;color:var(--text);padding:12px 14px;font-family:'Inter';font-size:.9rem;outline:none}
.chat-input input:focus{border-color:var(--accent)}
.chat-input button{background:linear-gradient(135deg,var(--ice),var(--fire));border:none;border-radius:12px;width:46px;color:#05070d;font-size:1.1rem;cursor:pointer;flex-shrink:0}
.chat-input button:disabled{opacity:.5;cursor:default}
.chat-disc{font-size:.66rem;color:var(--muted);text-align:center;padding:0 16px 12px}

/* emergency ribbon */
.ribbon{
  position:fixed;bottom:24px;left:24px;z-index:90;
  display:flex;align-items:center;gap:12px;
  background:rgba(10,14,24,.85);border:1px solid var(--line);
  backdrop-filter:blur(14px);border-radius:999px;padding:12px 22px 12px 14px;
  font-size:.85rem;box-shadow:0 10px 40px rgba(0,0,0,.5);
  animation:fadeUp 1s 1.6s both;
}
.ribbon .dot{width:10px;height:10px;border-radius:50%;background:#f43f5e;animation:pulseRed 1.6s infinite}
@keyframes pulseRed{0%{box-shadow:0 0 0 0 rgba(244,63,94,.6)}70%{box-shadow:0 0 0 10px rgba(244,63,94,0)}100%{box-shadow:0 0 0 0 rgba(244,63,94,0)}}
.ribbon a{color:var(--fire);text-decoration:none;font-weight:600}
@media(max-width:640px){.ribbon{left:12px;right:12px;justify-content:center}}
