/* ============================================================
   NOVACLIMA — "Arctic Glass" design system
   Deep cool gradients · frosted glass · electric cyan
   ============================================================ */

:root{
  /* ---- palette ---- */
  --bg-0:#04101a;            /* deepest */
  --bg-1:#06192a;
  --bg-2:#0a2438;
  --bg-3:#0e3047;
  --ink:#eaf6fb;             /* primary text */
  --ink-soft:#b6cdd9;        /* secondary text */
  --ink-mute:#7f9aa9;        /* muted/labels */

  --cyan:#37e2ff;            /* electric accent */
  --cyan-deep:#13b6e6;
  --blue:#5b8cff;            /* cool secondary */
  --frost:#cfeefb;

  /* ---- glass ---- */
  --glass-bg:rgba(255,255,255,.055);
  --glass-bg-strong:rgba(255,255,255,.085);
  --glass-brd:rgba(196,232,247,.16);
  --glass-brd-strong:rgba(196,232,247,.28);
  --glass-blur:22px;
  --glass-shadow:0 24px 70px -28px rgba(0,0,0,.75);
  --glass-glow:0 0 0 1px rgba(55,226,255,.04), 0 1px 0 rgba(255,255,255,.12) inset;

  /* ---- type ---- */
  --display:'Bricolage Grotesque',system-ui,sans-serif;
  --body:'Manrope',system-ui,sans-serif;

  /* ---- spacing / shape ---- */
  --r-sm:14px; --r-md:20px; --r-lg:28px; --r-xl:40px;
  --maxw:1280px;
  --gut:clamp(20px,5vw,64px);

  --ease:cubic-bezier(.22,1,.36,1);
}

/* ---------- reset ---------- */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:var(--body);
  color:var(--ink);
  background:var(--bg-0);
  line-height:1.55;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:none}
::selection{background:rgba(55,226,255,.3);color:#fff}

h1,h2,h3,h4{font-family:var(--display);font-weight:700;line-height:1.04;letter-spacing:-.02em}

/* ============================================================
   BACKGROUND FIELD — fixed cool gradient + fan + particles
   ============================================================ */
.bg-field{position:fixed;inset:0;z-index:-2;overflow:hidden;
  background:
    radial-gradient(120% 90% at 78% -10%, #103a52 0%, transparent 55%),
    radial-gradient(90% 80% at 8% 8%, #123a5e 0%, transparent 50%),
    linear-gradient(180deg,var(--bg-1) 0%, var(--bg-0) 38%, #030b13 100%);
}
.bg-aurora{position:absolute;inset:-20% -10%;z-index:0;
  background:
    radial-gradient(40% 32% at 70% 20%, rgba(55,226,255,.16), transparent 70%),
    radial-gradient(46% 40% at 22% 70%, rgba(91,140,255,.14), transparent 70%);
  filter:blur(20px);
  animation:auroraShift 22s ease-in-out infinite alternate;
}
@keyframes auroraShift{
  0%{transform:translate3d(0,0,0) scale(1)}
  100%{transform:translate3d(-3%,2%,0) scale(1.08)}
}

/* ---- particle canvas (cold air) ---- */
#frost-canvas{position:fixed;inset:0;z-index:-1;pointer-events:none}

/* ============================================================
   SPINNING FAN — hyperreal metallic SVG fan (see fan.js)
   ============================================================ */
.fan-wrap{position:absolute;display:grid;place-items:center;pointer-events:none}
.fan-wrap svg{width:100%;height:100%;overflow:visible}
.fan-rotor{transform-origin:100px 100px;animation:spin 4.5s linear infinite;will-change:transform}
@keyframes spin{to{transform:rotate(360deg)}}

/* hero fan: large, offset right, glowing */
.fan-hero{top:-6%;right:-9%;width:min(680px,74vw);aspect-ratio:1;opacity:.96;
  filter:drop-shadow(0 30px 80px rgba(0,0,0,.5)) drop-shadow(0 0 60px rgba(55,226,255,.12))}
/* ambient background fan, faint */
.fan-amb-1{bottom:-12%;left:-9%;width:440px;aspect-ratio:1;opacity:.12;filter:blur(1px)}
.fan-amb-1 .fan-rotor{animation-duration:11s}

/* panel mini fan */
.panel-fan{width:46px;height:46px;opacity:.92;flex:none;display:block;
  filter:drop-shadow(0 2px 8px rgba(0,0,0,.4))}
.panel-fan svg{width:100%;height:100%;overflow:visible}
.panel-fan .fan-rotor{animation-duration:3s}

@media (prefers-reduced-motion:reduce){.fan-rotor,.bg-aurora{animation:none}}

/* ============================================================
   LAYOUT PRIMITIVES
   ============================================================ */
.wrap{max-width:var(--maxw);margin-inline:auto;padding-inline:var(--gut);width:100%}
section{position:relative;z-index:1}
.eyebrow{font-family:var(--body);font-weight:700;font-size:.78rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--cyan);display:inline-flex;align-items:center;gap:.6em}
.eyebrow::before{content:"";width:26px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan))}
.section-head{max-width:720px;margin-bottom:clamp(36px,5vw,64px)}
.section-head h2{font-size:clamp(2rem,4.6vw,3.4rem);margin:.5em 0 .35em}
.section-head p{color:var(--ink-soft);font-size:1.05rem}

/* ---- glass surface ---- */
.glass{
  background:var(--glass-bg);
  backdrop-filter:blur(var(--glass-blur)) saturate(160%);
  -webkit-backdrop-filter:blur(var(--glass-blur)) saturate(160%);
  border:1px solid var(--glass-brd);
  box-shadow:var(--glass-shadow),var(--glass-glow);
  border-radius:var(--r-lg);
}
.glass-hi{background:var(--glass-bg-strong);border-color:var(--glass-brd-strong)}

/* glossy top edge */
.glass.sheen{position:relative;overflow:hidden}
.glass.sheen::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;
  background:linear-gradient(160deg,rgba(255,255,255,.14),transparent 36%)}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn{display:inline-flex;align-items:center;gap:.6em;font-weight:700;
  padding:.95em 1.6em;border-radius:100px;letter-spacing:.01em;
  transition:transform .4s var(--ease),box-shadow .4s var(--ease),background .3s}
.btn svg{width:1.05em;height:1.05em}
.btn-primary{
  color:#021019;
  background:linear-gradient(135deg,#7df0ff,var(--cyan) 45%,var(--cyan-deep));
  box-shadow:0 14px 36px -10px rgba(55,226,255,.6),0 1px 0 rgba(255,255,255,.5) inset;
}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 20px 48px -10px rgba(55,226,255,.75)}
.btn-ghost{color:var(--ink);border:1px solid var(--glass-brd-strong);
  background:var(--glass-bg);backdrop-filter:blur(10px)}
.btn-ghost:hover{transform:translateY(-3px);border-color:var(--cyan);background:rgba(55,226,255,.08)}

/* ============================================================
   NAV
   ============================================================ */
.nav{position:fixed;top:0;left:0;right:0;z-index:50;transition:padding .4s var(--ease)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;
  margin:14px var(--gut);padding:10px 12px 10px 22px;border-radius:100px;
  transition:background .4s,border-color .4s,box-shadow .4s,backdrop-filter .4s}
.nav.scrolled .nav-inner{
  background:rgba(6,21,34,.55);backdrop-filter:blur(20px) saturate(160%);
  -webkit-backdrop-filter:blur(20px) saturate(160%);
  border:1px solid var(--glass-brd);box-shadow:var(--glass-shadow)}
.nav.scrolled{padding-top:0}
.brand{display:flex;align-items:center}
.logo-img{height:30px;width:auto;display:block;filter:drop-shadow(0 2px 10px rgba(0,0,0,.35))}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{padding:9px 14px;border-radius:100px;font-weight:600;font-size:.94rem;
  color:var(--ink-soft);transition:color .25s,background .25s}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-cta{display:flex;align-items:center;gap:10px}
.nav-burger{display:none;width:46px;height:46px;border-radius:50%;border:1px solid var(--glass-brd);
  flex-direction:column;align-items:center;justify-content:center;gap:5px;background:var(--glass-bg)}
.nav-burger span{width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.3s}

/* ============================================================
   HERO — centred single-column layout
   ============================================================ */
.hero{padding:clamp(120px,14vw,180px) 0 clamp(40px,5vw,64px);overflow:hidden;position:relative}
.hero .wrap{position:relative}
.hero-copy-center{max-width:820px;margin:0 auto;text-align:center}
.hero-copy-center .hero-badge{justify-content:center}
.hero-copy-center .hero-sub{max-width:52ch;margin-left:auto;margin-right:auto}
.hero-copy-center .hero-actions{justify-content:center}
.hero-copy-center .hero-stats{justify-content:center}
.hero-badge{display:inline-flex;align-items:center;gap:10px;padding:7px 7px 7px 16px;
  border-radius:100px;background:var(--glass-bg);border:1px solid var(--glass-brd);
  backdrop-filter:blur(12px);font-size:.86rem;color:var(--ink-soft);font-weight:600;margin-bottom:26px}
.hero-badge .stars{color:#ffd66b;letter-spacing:1px}
.hero-badge .badge-text{color:var(--ink-soft)}
.google-g-pill{display:inline-flex;align-items:center;justify-content:center;
  width:28px;height:28px;border-radius:50%;background:#fff;flex:none;
  box-shadow:0 1px 6px rgba(0,0,0,.25)}
.hero h1{font-size:clamp(2.9rem,7vw,5.6rem);line-height:.97}
.hero h1 .grad{background:linear-gradient(120deg,#fff 0%,#9fe8ff 50%,var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{font-size:clamp(1.05rem,1.7vw,1.3rem);color:var(--ink-soft);max-width:30ch;margin:24px 0 34px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-stats{display:flex;gap:30px;margin-top:46px;flex-wrap:wrap}
.hero-stats .stat .n{font-family:var(--display);font-weight:700;font-size:2rem;
  background:linear-gradient(120deg,#fff,#8fe3ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-stats .stat .l{font-size:.84rem;color:var(--ink-mute);font-weight:600}

/* HVAC console section */
.hvac-section{padding:clamp(30px,4vw,60px) 0 clamp(50px,7vw,100px)}
.hvac-wrap{display:flex;justify-content:center}
.hvac-wrap .hero-panel{width:min(520px,100%)}

/* hero panel (used both in hvac-section) */
.hero-panel{position:relative;z-index:2;width:min(380px,80%);padding:26px;text-align:left}
.hero-panel{position:relative;--hvac:#37e2ff;--hvac-deep:#13b6e6;transition:box-shadow .9s var(--ease)}
.hero-panel.heating{--hvac:#ff8a4c;--hvac-deep:#ff4d4d}
.hero-panel::after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;z-index:0;
  background:radial-gradient(125% 95% at 82% 6%, color-mix(in srgb,var(--hvac) 26%, transparent), transparent 62%);
  transition:background .9s var(--ease)}
.hero-panel > *{position:relative;z-index:1}
.hero-panel .row{display:flex;align-items:center;justify-content:space-between;gap:14px}
.hero-panel .temp{font-family:var(--display);font-weight:700;font-size:3.6rem;line-height:1;
  display:flex;align-items:flex-start;gap:4px;margin-top:8px;transition:color .9s var(--ease)}
.hero-panel .temp sup{font-size:1.2rem;margin-top:.4em;color:var(--hvac);transition:color .9s var(--ease)}
.hero-panel .mode{font-size:.78rem;color:var(--ink-mute);font-weight:700;letter-spacing:.14em;
  text-transform:uppercase;white-space:nowrap}
.hero-panel .bars{display:flex;gap:6px;align-items:flex-end;height:46px;margin-top:24px}
.hero-panel .bars i{flex:1;min-height:6px;height:40%;border-radius:4px;
  background:linear-gradient(180deg, color-mix(in srgb,var(--hvac) 65%, #ffffff 35%), var(--hvac-deep));
  box-shadow:0 0 10px color-mix(in srgb,var(--hvac) 50%, transparent);
  transition:background .9s var(--ease),box-shadow .9s var(--ease)}
.hero-panel .meta{display:flex;justify-content:space-between;margin-top:20px;
  padding-top:16px;border-top:1px solid var(--glass-brd);font-size:.82rem;color:var(--ink-soft)}
.hero-panel .run{color:var(--hvac);transition:color .9s var(--ease)}

/* ---- brands marquee ---- */
.brands{margin-top:clamp(40px,7vw,86px)}
.brands .lbl{text-align:center;font-size:.74rem;letter-spacing:.26em;text-transform:uppercase;
  color:var(--ink-mute);font-weight:700;margin-bottom:22px}
.marquee{overflow:hidden;-webkit-mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent);
  mask:linear-gradient(90deg,transparent,#000 12%,#000 88%,transparent)}
.marquee-track{display:flex;gap:60px;width:max-content;animation:scrollx 32s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
@keyframes scrollx{to{transform:translateX(-50%)}}
.brand-chip{font-family:var(--display);font-weight:700;font-size:1.5rem;color:var(--ink-soft);
  opacity:.55;white-space:nowrap;transition:opacity .3s,color .3s}
.brand-chip:hover{opacity:1;color:#fff}

/* ============================================================
   SERVICES
   ============================================================ */
.services{padding:clamp(80px,11vw,150px) 0}
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.svc-card{padding:30px 28px 32px;position:relative;overflow:hidden;
  transition:transform .5s var(--ease),border-color .4s,background .4s}
.svc-card:hover{transform:translateY(-6px);border-color:var(--glass-brd-strong);background:var(--glass-bg-strong)}
.svc-card .ico{width:56px;height:56px;border-radius:16px;display:grid;place-items:center;
  background:linear-gradient(150deg,rgba(55,226,255,.2),rgba(91,140,255,.08));
  border:1px solid var(--glass-brd);margin-bottom:22px;color:var(--cyan)}
.svc-card .ico svg{width:28px;height:28px}
.svc-card h3{font-size:1.3rem;margin-bottom:10px}
.svc-card p{color:var(--ink-soft);font-size:.96rem}
.svc-card .glow{position:absolute;inset:auto -40% -60% auto;width:200px;height:200px;border-radius:50%;
  background:radial-gradient(circle,rgba(55,226,255,.25),transparent 70%);opacity:0;transition:opacity .5s}
.svc-card:hover .glow{opacity:1}
.svc-foot{display:flex;justify-content:center;margin-top:42px}

/* ============================================================
   BENEFITS
   ============================================================ */
.benefits{padding:clamp(70px,10vw,130px) 0}
.ben-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:34px;align-items:stretch}
.ben-photo{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:420px;border:1px solid var(--glass-brd)}
.ben-photo image-slot,.ben-photo img{width:100%;height:100%;object-fit:cover;display:block;position:absolute;inset:0}
.ben-photo .tag{position:absolute;left:18px;bottom:18px;z-index:3;padding:14px 18px;border-radius:var(--r-md);background:rgba(5,18,38,.82)!important;backdrop-filter:blur(8px);border-color:rgba(55,226,255,.2)!important}
.ben-photo .tag b{display:block;font-family:var(--display);font-size:1.5rem}
.ben-photo .tag span{font-size:.8rem;color:var(--ink-soft)}
.ben-list{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.ben-item{padding:24px 24px 26px;display:flex;flex-direction:column;gap:8px}
.ben-item .top{display:flex;align-items:center;gap:14px}
.ben-item .bn{font-family:var(--display);font-weight:700;font-size:1.7rem;color:var(--cyan);
  min-width:1.4em}
.ben-item .ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:rgba(55,226,255,.12);border:1px solid var(--glass-brd);color:var(--cyan);flex:none}
.ben-item .ico svg{width:22px;height:22px}
.ben-item h4{font-size:1.08rem}
.ben-item p{color:var(--ink-soft);font-size:.92rem}
.ben-item.wide{grid-column:1/-1}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.tmls{padding:clamp(70px,10vw,130px) 0}
.tml-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.tml-card{padding:30px 28px;display:flex;flex-direction:column;gap:18px}
.tml-card .stars{color:#ffd66b;letter-spacing:2px;font-size:1.05rem}
.tml-card blockquote{font-size:1.04rem;color:var(--ink);line-height:1.6}
.tml-card .who{display:flex;align-items:center;gap:12px;margin-top:auto}
.tml-card .who .av{width:44px;height:44px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,var(--cyan),var(--blue));display:grid;place-items:center;
  font-family:var(--display);font-weight:700;color:#03131c}
.tml-card .who b{display:block;font-size:.98rem}
.tml-card .who span{font-size:.82rem;color:var(--ink-mute)}

/* ============================================================
   FAQ
   ============================================================ */
.faq{padding:clamp(70px,10vw,130px) 0}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:40px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{overflow:hidden}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;font-family:var(--display);font-weight:600;font-size:1.12rem}
.faq-q .pm{width:30px;height:30px;border-radius:50%;flex:none;display:grid;place-items:center;
  border:1px solid var(--glass-brd);color:var(--cyan);transition:transform .4s var(--ease),background .3s}
.faq-item.open .faq-q .pm{transform:rotate(135deg);background:rgba(55,226,255,.14)}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .45s var(--ease)}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a > div{overflow:hidden}
.faq-a p{padding:0 26px 24px;color:var(--ink-soft)}

/* ============================================================
   ABOUT / TEAM
   ============================================================ */
.about{padding:clamp(70px,10vw,130px) 0}
.team-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px}
.team-card{padding:18px 18px 24px}
.team-card .ph{border-radius:var(--r-md);overflow:hidden;aspect-ratio:4/5;margin-bottom:18px;
  border:1px solid var(--glass-brd)}
.team-card .ph image-slot,.team-card .ph img{width:100%;height:100%;object-fit:cover;display:block;object-position:top center}
.team-card h4{font-size:1.18rem}
.team-card .role{color:var(--cyan);font-weight:600;font-size:.86rem;margin:2px 0 12px}
.team-card p{color:var(--ink-soft);font-size:.92rem}
.about-intro{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:end}
.about-intro p{color:var(--ink-soft);font-size:1.05rem}

/* ============================================================
   CONTACT
   ============================================================ */
.contact{padding:clamp(70px,10vw,130px) 0 clamp(60px,8vw,110px)}
.contact-card{display:grid;grid-template-columns:.9fr 1.1fr;overflow:hidden}
.contact-aside{padding:clamp(34px,4vw,52px);position:relative;
  background:linear-gradient(160deg,rgba(55,226,255,.12),rgba(91,140,255,.04))}
.contact-aside h2{font-size:clamp(1.9rem,3.4vw,2.8rem);margin-bottom:18px}
.contact-aside p{color:var(--ink-soft);margin-bottom:28px}
.contact-aside .line{display:flex;align-items:center;gap:14px;margin-top:16px;color:var(--ink-soft);font-weight:600}
.contact-aside .line .ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--glass-bg);border:1px solid var(--glass-brd);color:var(--cyan);flex:none}
.contact-aside .line .ico svg{width:20px;height:20px}
.form{padding:clamp(30px,3.5vw,46px);display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:.8rem;font-weight:700;letter-spacing:.04em;color:var(--ink-soft)}
.field label .req{color:var(--cyan)}
.field input,.field textarea{font:inherit;color:var(--ink);padding:14px 16px;border-radius:var(--r-sm);
  background:rgba(255,255,255,.04);border:1px solid var(--glass-brd);transition:border-color .3s,background .3s}
.field input::placeholder,.field textarea::placeholder{color:var(--ink-mute)}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--cyan);
  background:rgba(55,226,255,.05);box-shadow:0 0 0 4px rgba(55,226,255,.1)}
.field textarea{resize:vertical;min-height:110px}
.form .submit{grid-column:1/-1;justify-content:center;margin-top:6px}

/* ============================================================
   FOOTER
   ============================================================ */
.footer{position:relative;z-index:1;border-top:1px solid var(--glass-brd);
  padding:clamp(50px,7vw,80px) 0 40px;margin-top:30px}
.foot-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr 1.15fr;gap:36px}
.foot-grid h5{font-size:.78rem;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-mute);
  margin-bottom:18px;font-family:var(--body);font-weight:700}
.foot-col a,.foot-col p{display:block;color:var(--ink-soft);font-size:.94rem;margin-bottom:10px;transition:color .25s}
.foot-col a:hover{color:var(--cyan)}
.foot-brand p{max-width:34ch;color:var(--ink-soft)}
.foot-brand .brand{margin-bottom:16px}
.foot-socials{display:flex;gap:10px;margin-top:18px}
.foot-socials a{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;
  border:1px solid var(--glass-brd);background:var(--glass-bg);color:var(--ink-soft);transition:.3s}
.foot-socials a:hover{color:var(--cyan);border-color:var(--cyan);transform:translateY(-3px)}
.foot-socials svg{width:18px;height:18px}
.foot-bot{display:flex;justify-content:space-between;flex-wrap:wrap;gap:14px;margin-top:50px;
  padding-top:26px;border-top:1px solid var(--glass-brd);color:var(--ink-mute);font-size:.86rem}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.reveal{opacity:0;transform:translateY(28px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.reveal.in{opacity:1;transform:none}
.reveal[data-d="1"]{transition-delay:.08s}
.reveal[data-d="2"]{transition-delay:.16s}
.reveal[data-d="3"]{transition-delay:.24s}
.reveal[data-d="4"]{transition-delay:.32s}
.reveal[data-d="5"]{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none}}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width:980px){
  .nav-links,.nav-cta .btn{display:none}
  .nav-burger{display:flex}
  .svc-grid,.tml-grid,.team-grid{grid-template-columns:1fr 1fr}
  .ben-grid,.faq-grid,.contact-card,.about-intro{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-grid .foot-brand{grid-column:1/-1}
  /* local-benefit cards (inline 3-col on location pages) must collapse */
  .ben-list{grid-template-columns:1fr 1fr !important}
}
@media (max-width:640px){
  .svc-grid,.tml-grid,.team-grid,.ben-list,.form,.foot-grid{grid-template-columns:1fr !important}
  .ben-item.wide{grid-column:auto}
  .hero-stats{gap:22px}
  .nav-inner{margin:10px}
}

/* ============================================================
   MOBILE OPTIMISATION — tame fans, lighten blur, tidy spacing
   ============================================================ */
@media (max-width:760px){
  /* lighter glass blur so mobile GPUs don't smear/flicker */
  :root{--glass-blur:13px}

  /* hero fan: smaller + no filter so GPU only composites the spin */
  .fan-hero{top:-2%;right:-20%;width:min(300px,72vw);opacity:.45;filter:none}
  .fan-amb-1{display:none}
  /* kill the expensive feGaussianBlur motion-blur ghosts on mobile */
  use[filter]{display:none}

  /* inner-page hero fan: pin to top corner, smaller, faint */
  .page-hero .fan-wrap{top:-7%;right:-22%;width:min(330px,68vw);opacity:.32;filter:none}
  .page-hero{padding:118px 0 44px}
  .page-hero h1{max-width:none}
  .page-hero h1 br{display:none}

  .hero{padding:100px 0 28px}
  .hero h1 br{display:none}
  .hero-sub{max-width:none}
  .hero-panel{width:min(360px,100%)}
  .hvac-section{padding:16px 0 36px}

  /* tighten section gaps — the big culprit on mobile */
  .services{padding:44px 0}
  .benefits{padding:40px 0}
  .tmls{padding:40px 0}
  .faq{padding:40px 0}
  .about{padding:40px 0}
  .contact{padding:40px 0 36px}

  /* section rhythm */
  .section-head{margin-bottom:26px}
  .svc-card,.val-card,.info-card,.tml-card,.ben-item,.step{padding:24px 22px}
  .cta-inner{padding:34px 24px}
  .cta-inner h2{max-width:none}

  /* tap-friendly buttons: full width, stacked */
  .hero-actions,.cta-inner .actions{width:100%}
  .hero-actions .btn,.cta-inner .actions .btn{flex:1 1 auto;justify-content:center;min-height:50px}

  /* map a touch shorter */
  .map-wrap,.map-wrap iframe{min-height:260px}

  /* kill horizontal overflow from any offset graphic */
  .hero,.page-hero,.services,.benefits,.tmls,.faq,.about,.contact,.locations,.process,.values,.cta-band{overflow-x:clip}
}

@media (max-width:430px){
  .hero-stats{width:100%;justify-content:space-between;gap:14px}
  .hero-stats .stat .n{font-size:1.6rem}
  .hero-badge{flex-wrap:wrap;row-gap:6px}
  .brand .logo-img{height:26px}
  .svc-grid,.tml-grid,.team-grid,.val-grid,.info-grid{grid-template-columns:1fr !important}
  .hero h1{font-size:clamp(2.5rem,11vw,3rem)}
}

/* ---- mobile menu ---- */
.mobile-menu{position:fixed;inset:0;z-index:60;background:rgba(4,16,26,.86);
  backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  display:flex;flex-direction:column;justify-content:center;gap:8px;padding:40px;
  opacity:0;pointer-events:none;transition:opacity .4s}
.mobile-menu.open{opacity:1;pointer-events:auto}
.mobile-menu a{font-family:var(--display);font-weight:600;font-size:1.8rem;padding:10px 0;
  color:var(--ink-soft);border-bottom:1px solid var(--glass-brd)}
.mobile-menu .btn{margin-top:24px;justify-content:center}
.mobile-menu .close{position:absolute;top:24px;right:24px;width:48px;height:48px;border-radius:50%;
  border:1px solid var(--glass-brd);font-size:1.6rem}

/* active nav link */
.nav-links a.active{color:#fff;background:rgba(55,226,255,.12)}

/* ============================================================
   LOCATIONS HUB
   ============================================================ */
.locations{padding:clamp(40px,6vw,80px) 0 clamp(60px,8vw,110px)}
.loc-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.loc-card{display:flex;align-items:center;gap:14px;padding:20px 22px;
  transition:transform .4s var(--ease),border-color .4s,background .4s}
.loc-card:hover{transform:translateY(-4px);border-color:var(--glass-brd-strong);background:var(--glass-bg-strong)}
.loc-card .ico{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;flex:none;
  background:rgba(55,226,255,.1);border:1px solid var(--glass-brd);color:var(--cyan)}
.loc-card .ico svg{width:21px;height:21px}
.loc-card .nm{font-family:var(--display);font-weight:600;font-size:1.08rem;flex:1}
.loc-card .go{color:var(--ink-mute);transition:color .3s,transform .3s;display:flex}
.loc-card .go svg{width:18px;height:18px}
.loc-card:hover .go{color:var(--cyan);transform:translateX(3px)}
@media (max-width:980px){.loc-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:560px){.loc-grid{grid-template-columns:1fr}}

/* ============================================================
   INNER-PAGE HERO  (Services / About / Contact)
   ============================================================ */
.page-hero{padding:160px 0 60px;position:relative;overflow:hidden}
.page-hero .wrap{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:.84rem;color:var(--ink-mute);
  font-weight:600;margin-bottom:22px}
.crumb a{color:var(--ink-soft)}.crumb a:hover{color:var(--cyan)}
.crumb span{color:var(--cyan)}
.page-hero h1{font-size:clamp(2.6rem,6vw,4.6rem);line-height:.98;max-width:16ch}
.page-hero h1 .grad{background:linear-gradient(120deg,#fff,#9fe8ff,var(--cyan));
  -webkit-background-clip:text;background-clip:text;color:transparent}
.page-hero .lead{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--ink-soft);max-width:56ch;margin-top:22px}
.page-hero .fan-wrap{top:-14%;right:-12%;width:min(560px,60vw);aspect-ratio:1;opacity:.5;
  filter:drop-shadow(0 30px 70px rgba(0,0,0,.5))}

/* ============================================================
   DETAILED SERVICE ROWS
   ============================================================ */
.svc-rows{display:flex;flex-direction:column;gap:22px}
.svc-row{display:grid;grid-template-columns:auto 1fr auto;gap:30px;align-items:center;
  padding:34px 36px;transition:transform .5s var(--ease),border-color .4s,background .4s}
.svc-row:hover{transform:translateY(-4px);border-color:var(--glass-brd-strong);background:var(--glass-bg-strong)}
.svc-row .ico{width:72px;height:72px;border-radius:20px;display:grid;place-items:center;flex:none;
  background:linear-gradient(150deg,rgba(55,226,255,.2),rgba(91,140,255,.06));
  border:1px solid var(--glass-brd);color:var(--cyan)}
.svc-row .ico svg{width:34px;height:34px}
.svc-row .body h3{font-size:1.5rem;margin-bottom:8px}
.svc-row .body p{color:var(--ink-soft);max-width:62ch}
.svc-row .body .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.svc-row .body .tags span{font-size:.78rem;font-weight:600;color:var(--frost);padding:5px 12px;
  border-radius:100px;background:rgba(255,255,255,.05);border:1px solid var(--glass-brd)}
.svc-row .num{font-family:var(--display);font-weight:700;font-size:2.4rem;color:rgba(207,238,251,.16)}

/* ============================================================
   PROCESS STEPS
   ============================================================ */
.process{padding:clamp(70px,10vw,130px) 0}
.step-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.step{padding:30px 26px 32px;position:relative}
.step .n{font-family:var(--display);font-weight:700;font-size:1rem;width:42px;height:42px;
  border-radius:50%;display:grid;place-items:center;color:#021019;
  background:linear-gradient(135deg,#7df0ff,var(--cyan));margin-bottom:20px}
.step h4{font-size:1.18rem;margin-bottom:8px}
.step p{color:var(--ink-soft);font-size:.93rem}

/* ============================================================
   VALUES (About)
   ============================================================ */
.values{padding:clamp(60px,8vw,110px) 0}
.val-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.val-card{padding:30px 28px}
.val-card .ico{width:54px;height:54px;border-radius:15px;display:grid;place-items:center;
  background:rgba(55,226,255,.1);border:1px solid var(--glass-brd);color:var(--cyan);margin-bottom:20px}
.val-card .ico svg{width:26px;height:26px}
.val-card h4{font-size:1.22rem;margin-bottom:9px}
.val-card p{color:var(--ink-soft);font-size:.95rem}

.story{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.story .photo{position:relative;border-radius:var(--r-lg);overflow:hidden;min-height:440px;border:1px solid var(--glass-brd)}
.story .photo image-slot,.story .photo img{width:100%;height:100%;object-fit:cover;display:block;position:absolute;inset:0}
.story p{color:var(--ink-soft);font-size:1.05rem;margin-bottom:18px}

/* ============================================================
   CONTACT PAGE EXTRAS
   ============================================================ */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-bottom:26px}
.info-card{padding:28px 26px;display:flex;flex-direction:column;gap:6px}
.info-card .ico{width:48px;height:48px;border-radius:13px;display:grid;place-items:center;
  background:rgba(55,226,255,.1);border:1px solid var(--glass-brd);color:var(--cyan);margin-bottom:12px}
.info-card .ico svg{width:23px;height:23px}
.info-card h4{font-size:1.05rem}
.info-card a,.info-card p{color:var(--ink-soft);font-size:.95rem}
.info-card a:hover{color:var(--cyan)}
.map-wrap{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--glass-brd);min-height:300px}
.map-wrap iframe{width:100%;height:100%;min-height:300px;border:0;filter:grayscale(.3) invert(.92) hue-rotate(170deg) contrast(.95)}

/* CTA band */
.cta-band{padding:clamp(50px,7vw,90px) 0}
.cta-inner{padding:clamp(40px,5vw,68px);text-align:center;display:flex;flex-direction:column;
  align-items:center;gap:18px;position:relative;overflow:hidden}
.cta-inner h2{font-size:clamp(2rem,4vw,3rem);max-width:18ch}
.cta-inner p{color:var(--ink-soft);max-width:50ch}
.cta-inner .actions{display:flex;gap:14px;flex-wrap:wrap;justify-content:center;margin-top:8px}

@media (max-width:980px){
  .svc-row{grid-template-columns:auto 1fr;gap:20px;padding:26px}
  .svc-row .num{display:none}
  .step-grid{grid-template-columns:1fr 1fr}
  .val-grid,.info-grid{grid-template-columns:1fr}
  .story{grid-template-columns:1fr}
}
@media (max-width:640px){
  .step-grid{grid-template-columns:1fr}
  .svc-row{grid-template-columns:1fr}
  .svc-row .ico{margin-bottom:4px}
}