/* =========================================================================
   Summit Air Heating & Cooling — Boise, ID
   HVAC master template. Bold, bright, emergency-first.
   Palette: navy ink on cool paper, "cool" blue + "heat" orange.
   ========================================================================= */
:root {
  --paper: #F4F7FA; --paper-2: #FFFFFF; --ice: #E3EEF9; --rule: #D6E0EB;
  --ink: #0E1A2B; --ink-2: #33465C; --muted: #55657A;
  --cool: #1A5FD0; --cool-deep: #114FB0; --cool-soft: #DCEBFF;
  --heat: #C63F12; --heat-deep: #C74617; --heat-soft: #FFE6DC;
  --accent: var(--cool); --accent-deep: var(--cool-deep); --accent-soft: var(--cool-soft);
  --star: #F5A524;
  --display: "Sora", "Inter", system-ui, sans-serif;
  --sans: "Manrope", "Inter", system-ui, sans-serif;
  --gutter: clamp(1.1rem, 4vw, 4rem); --maxw: 1360px; --header-h: 78px;
  --ease: cubic-bezier(.22,1,.36,1); --r: 18px;
  --sec: clamp(4.5rem, 9vw, 8rem);
}
html.heat { --accent: var(--heat); --accent-deep: var(--heat-deep); --accent-soft: var(--heat-soft); }

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg,canvas{display:block;max-width:100%}img{height:auto}
a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}ul,ol{padding:0;list-style:none}
::selection{background:var(--accent);color:#fff}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.skip{position:fixed;top:-100px;left:1rem;z-index:999;background:var(--ink);color:#fff;padding:.7rem 1rem;border-radius:6px}.skip:focus{top:1rem}
.wrap{width:min(100% - var(--gutter)*2,var(--maxw));margin-inline:auto}

/* demo banner (remove on the client's real site) */
.demo-banner{position:relative;z-index:101;background:var(--ink);color:#fff;font-size:.74rem;text-align:center;padding:.45rem var(--gutter);letter-spacing:.02em}
.demo-banner a{color:#FFC466;font-weight:700}
.demo-banner b{font-weight:700}

/* type */
.eyebrow{display:inline-flex;align-items:center;gap:.6rem;font-size:.72rem;font-weight:800;letter-spacing:.16em;text-transform:uppercase;color:var(--accent)}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:currentColor}
.h1{font-family:var(--display);font-weight:800;font-size:clamp(2.5rem,6.2vw,5.2rem);line-height:1.02;letter-spacing:-.035em;text-wrap:balance}
.h2{font-family:var(--display);font-weight:800;font-size:clamp(2rem,4.2vw,3.4rem);line-height:1.06;letter-spacing:-.03em;text-wrap:balance}
.h3{font-family:var(--display);font-weight:700;font-size:1.3rem;line-height:1.2;letter-spacing:-.01em}
.lede{font-size:clamp(1.05rem,1.4vw,1.25rem);line-height:1.55;color:var(--ink-2);max-width:56ch;text-wrap:pretty}
.accent{color:var(--accent)}
html.anim-on [data-reveal]{opacity:0;transform:translateY(24px)}
html.anim-on .line__in{transform:translateY(110%)}
.line{display:block;overflow:hidden;padding-bottom:.08em;margin-bottom:-.08em}.line__in{display:block}
html.is-ready [data-reveal],html.is-ready .line__in{opacity:1;transform:none;transition:opacity .7s var(--ease),transform .8s var(--ease)}

/* buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;padding:1rem 1.5rem;border-radius:12px;font-weight:800;font-size:.9rem;letter-spacing:.01em;border:2px solid transparent;cursor:pointer;transition:transform .35s var(--ease),background .3s,color .3s,border-color .3s,box-shadow .35s;white-space:nowrap}
.btn svg{width:18px;height:18px;flex:none}
.btn:hover{transform:translateY(-2px)}
.btn--accent{background:var(--accent);color:#fff;box-shadow:0 10px 30px -12px var(--accent)}
.btn--accent:hover{background:var(--accent-deep)}
.btn--heat{background:var(--heat);color:#fff;box-shadow:0 10px 30px -12px var(--heat)}
.btn--heat:hover{background:var(--heat-deep)}
.btn--ink{background:var(--ink);color:#fff}
.btn--ghost{background:transparent;border-color:var(--rule);color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink)}
.btn--white{background:#fff;color:var(--ink)}
.btn--lg{padding:1.15rem 1.9rem;font-size:1rem}
.btn--sm{padding:.65rem 1.05rem;font-size:.8rem}
.btn--block{width:100%}

/* header */
.site-header{position:sticky;top:0;z-index:100;background:rgba(244,247,250,.86);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .3s,box-shadow .3s}
.site-header.is-stuck{border-color:var(--rule);box-shadow:0 10px 30px -20px rgba(14,26,43,.25)}
.site-header__inner{min-height:var(--header-h);display:flex;align-items:center;gap:1.5rem}
.brand{display:flex;align-items:center;gap:.7rem;margin-right:auto}
.brand__mark{width:40px;height:40px;border-radius:12px;background:var(--ink);display:grid;place-items:center;color:#fff}
.brand__mark svg{width:22px;height:22px}
.brand__text{display:flex;flex-direction:column;line-height:1.05}
.brand__name{font-family:var(--display);font-weight:800;font-size:1.1rem;letter-spacing:-.02em}
.brand__sub{font-size:.62rem;font-weight:700;letter-spacing:.16em;text-transform:uppercase;color:var(--muted)}
.nav{display:flex;gap:1.6rem}.nav a{font-weight:700;font-size:.9rem;color:var(--ink-2);position:relative}
.nav a::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;background:var(--accent);transform:scaleX(0);transform-origin:right;transition:transform .4s var(--ease)}
.nav a:hover{color:var(--ink)}.nav a:hover::after{transform:scaleX(1);transform-origin:left}
.header-actions{display:flex;align-items:center;gap:1rem}
.phone{display:flex;flex-direction:column;line-height:1.1;text-align:right}
.phone small{font-size:.62rem;font-weight:800;letter-spacing:.14em;text-transform:uppercase;color:var(--accent)}
.phone b{white-space:nowrap;font-family:var(--display);font-size:1.1rem;font-weight:800;letter-spacing:-.01em}
@media (max-width:960px){.nav{display:none}.header-actions .btn--ghost{display:none}}
@media (max-width:600px){.phone small{display:none}.header-actions .btn--accent{display:none}}

/* hero */
.hero{position:relative;min-height:calc(100svh - var(--header-h));display:grid;align-items:end;overflow:hidden;background:var(--ink);color:#fff;isolation:isolate}
.hero__media{position:absolute;inset:0;z-index:-1}
.hero__media img,.hero__media canvas{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:60% 40%}
.hero__media canvas{opacity:0;transition:opacity 1.2s var(--ease)}
html.gl-on .hero__media canvas{opacity:1}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(14,26,43,.95) 0%,rgba(14,26,43,.55) 45%,rgba(14,26,43,.15) 100%),linear-gradient(to right,rgba(14,26,43,.6),transparent 60%)}
.hero__inner{padding:clamp(6rem,14vh,9rem) 0 clamp(2rem,4vw,3rem);display:grid;grid-template-columns:1.25fr .75fr;gap:2rem;align-items:end}
.hero__badges{display:flex;flex-wrap:wrap;gap:.6rem;margin-bottom:1.4rem}
.badge{display:inline-flex;align-items:center;gap:.5rem;padding:.5rem .85rem;border-radius:999px;background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);font-size:.76rem;font-weight:700;backdrop-filter:blur(6px)}
.badge--heat{background:var(--heat);border-color:var(--heat);color:#fff}
.badge .dot{width:7px;height:7px;border-radius:50%;background:#5EE39A;box-shadow:0 0 0 0 rgba(94,227,154,.6);animation:pulse 2.2s infinite}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(94,227,154,.6)}70%{box-shadow:0 0 0 8px rgba(94,227,154,0)}100%{box-shadow:0 0 0 0 rgba(94,227,154,0)}}
.stars{color:var(--star);letter-spacing:-.04em}
.hero .h1{max-width:12ch;margin-bottom:1.2rem}
.hero .lede{color:rgba(255,255,255,.82);margin-bottom:1.8rem}
.hero__actions{display:flex;flex-wrap:wrap;gap:.8rem}
.hero__card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);border-radius:var(--r);padding:1.4rem;backdrop-filter:blur(10px);display:grid;gap:.9rem}
.hero__card h3{font-family:var(--display);font-weight:800;font-size:1.05rem}
.hero__card li{display:flex;gap:.7rem;align-items:flex-start;font-size:.92rem;color:rgba(255,255,255,.85)}
.hero__card li svg{width:18px;height:18px;flex:none;color:#5EE39A;margin-top:.1rem}
.hero__temp{position:absolute;right:var(--gutter);top:2rem;font-family:var(--display);font-weight:800;font-size:clamp(3rem,7vw,6rem);line-height:1;color:rgba(255,255,255,.08);letter-spacing:-.05em;pointer-events:none;user-select:none}
@media (max-width:900px){.hero__inner{grid-template-columns:1fr}.hero__card{display:none}}

/* trust strip */
.strip{background:#fff;border-bottom:1px solid var(--rule)}
.strip__inner{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;padding:1.2rem 0}
.strip__item{display:flex;align-items:center;gap:.8rem;font-size:.9rem;font-weight:700;color:var(--ink-2)}
.strip__item i{width:38px;height:38px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;flex:none}
.strip__item i svg{width:18px;height:18px}
@media (max-width:900px){.strip__inner{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.strip__inner{grid-template-columns:1fr}}

/* sections */
.sec{padding:var(--sec) 0}
.sec--ice{background:var(--ice)}
.sec--ink{background:var(--ink);color:#fff}
.sec-head{display:grid;grid-template-columns:1fr 1fr;gap:2rem;align-items:end;margin-bottom:clamp(2rem,5vw,3.5rem)}
.sec-head .eyebrow{margin-bottom:1rem}
@media (max-width:860px){.sec-head{grid-template-columns:1fr}}

/* emergency band */
.emerg{background:var(--heat);color:#fff}
.emerg__inner{display:flex;align-items:center;gap:1.5rem;padding:1.1rem 0;flex-wrap:wrap}
.emerg__inner b{font-family:var(--display);font-weight:800;font-size:1.05rem}
.emerg__inner span{opacity:.92}
.emerg__inner .btn{margin-left:auto}
@media (max-width:700px){.emerg__inner .btn{margin-left:0;width:100%}}

/* season toggle */
.season{display:inline-flex;background:#fff;border:1px solid var(--rule);border-radius:999px;padding:4px;gap:4px}
.season button{border:0;background:transparent;padding:.55rem 1.1rem;border-radius:999px;font-weight:800;font-size:.82rem;color:var(--muted);cursor:pointer;transition:background .3s,color .3s}
.season button[aria-pressed="true"]{background:var(--accent);color:#fff}
.season-copy{position:relative;min-height:1.5em}
.season-copy > span{display:none}
html:not(.heat) .season-copy .cool-txt,html.heat .season-copy .heat-txt{display:inline}

/* services */
.services{display:grid;grid-template-columns:repeat(3,1fr);gap:1.2rem}
.svc{position:relative;background:#fff;border:1px solid var(--rule);border-radius:var(--r);padding:1.6rem;display:grid;gap:.8rem;overflow:hidden;transition:transform .5s var(--ease),box-shadow .5s var(--ease),border-color .3s}
.svc:hover{transform:translateY(-4px);box-shadow:0 30px 60px -30px rgba(14,26,43,.3);border-color:var(--accent)}
.svc__icon{width:52px;height:52px;border-radius:14px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.svc__icon svg{width:26px;height:26px}
.svc p{color:var(--ink-2);font-size:.95rem}
.svc__link{font-weight:800;font-size:.85rem;color:var(--accent);display:inline-flex;align-items:center;gap:.4rem;margin-top:.2rem}
.svc__link svg{width:14px;height:14px;transition:transform .3s}
.svc:hover .svc__link svg{transform:translateX(4px)}
.svc--feat{background:var(--ink);color:#fff;border-color:var(--ink)}
.svc--feat p{color:rgba(255,255,255,.8)}
.svc--feat .svc__icon{background:rgba(255,255,255,.1);color:#fff}
.svc--feat .svc__link{color:#FFC466}
@media (max-width:900px){.services{grid-template-columns:1fr 1fr}}
@media (max-width:560px){.services{grid-template-columns:1fr}}

/* why / stats */
.why{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,5vw,5rem);align-items:center}
.why__media{position:relative;border-radius:var(--r);overflow:hidden;aspect-ratio:4/5;background:var(--ice)}
.why__media img{width:100%;height:100%;object-fit:cover;transform:scale(1.08)}
.why__media--2{position:absolute;right:-8%;bottom:-8%;width:46%;aspect-ratio:1;border:6px solid var(--paper);transform:none;box-shadow:0 30px 60px -30px rgba(0,0,0,.4)}
.why__media--2 img{transform:none}
.why__wrap{position:relative;padding-right:8%;padding-bottom:8%}
.why__list{display:grid;gap:1.1rem;margin-top:1.8rem}
.why__list li{display:grid;grid-template-columns:44px 1fr;gap:1rem}
.why__list i{width:44px;height:44px;border-radius:12px;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center}
.why__list i svg{width:20px;height:20px}
.why__list b{display:block;font-family:var(--display);font-weight:800}
.why__list span{color:var(--ink-2);font-size:.95rem}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem;margin-top:2.5rem;padding-top:2rem;border-top:1px solid var(--rule)}
.stat b{font-family:var(--display);font-weight:800;font-size:clamp(1.8rem,3.4vw,2.6rem);letter-spacing:-.03em;color:var(--accent);display:block;line-height:1}
.stat span{font-size:.82rem;color:var(--muted);font-weight:700}
@media (max-width:860px){.why{grid-template-columns:1fr}.stats{grid-template-columns:1fr 1fr}}

/* reviews + form */
.rev{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,4vw,4rem);align-items:start}
.rev__cards{display:grid;gap:1rem}
.card{background:#fff;border:1px solid var(--rule);border-radius:var(--r);padding:1.4rem;display:grid;gap:.7rem}
.sec--ink .card{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12);color:#fff}
.card__top{display:flex;justify-content:space-between;align-items:center;font-size:.8rem;color:var(--muted)}
.sec--ink .card__top{color:rgba(255,255,255,.6)}
.card__who{font-weight:800;color:var(--ink)}.sec--ink .card__who{color:#fff}
.card p{font-size:1rem;line-height:1.5}
.gbadge{display:inline-flex;align-items:center;gap:.6rem;background:#fff;color:var(--ink);border-radius:12px;padding:.7rem 1rem;font-weight:800;font-size:.9rem;box-shadow:0 10px 30px -18px rgba(0,0,0,.4)}
.gbadge img{width:22px;height:22px}
.form{background:#fff;color:var(--ink);border-radius:var(--r);padding:clamp(1.4rem,3vw,2rem);display:grid;gap:1rem;box-shadow:0 40px 80px -40px rgba(0,0,0,.5)}
.form h3{font-family:var(--display);font-weight:800;font-size:1.4rem}
.form p{color:var(--ink-2);font-size:.92rem}
.field{display:grid;gap:.35rem}.field label{font-size:.72rem;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.field input,.field select,.field textarea{width:100%;padding:.9rem 1rem;border:1.5px solid var(--rule);border-radius:10px;background:var(--paper)}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--accent);background:#fff}
.field textarea{min-height:110px;resize:vertical}
.form__row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.form__ok{display:none;padding:1rem;border-radius:10px;background:#E7F8EF;color:#0B5B31;font-weight:700}
.form.is-sent .form__ok{display:block}.form.is-sent .form__fields{display:none}
.hp{position:absolute;left:-9999px}
@media (max-width:900px){.rev{grid-template-columns:1fr}}
@media (max-width:520px){.form__row{grid-template-columns:1fr}}

/* area */
.area{display:grid;grid-template-columns:1fr 1fr;gap:clamp(2rem,4vw,4rem);align-items:center}
.area__towns{display:grid;grid-template-columns:1fr 1fr;gap:.5rem 1.5rem;margin-top:1.4rem}
.area__towns li{display:flex;align-items:center;gap:.6rem;font-weight:700;color:var(--ink-2);padding:.45rem 0;border-bottom:1px solid var(--rule)}
.area__towns li::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--accent)}
.map{border-radius:var(--r);overflow:hidden;aspect-ratio:4/3;border:1px solid var(--rule);background:var(--ice);position:relative}
.map iframe{width:100%;height:100%;border:0;filter:saturate(.85)}
@media (max-width:860px){.area{grid-template-columns:1fr}}

/* plans */
.plans{display:grid;grid-template-columns:1fr 1fr;gap:1.2rem}
.plan{background:#fff;border:1px solid var(--rule);border-radius:var(--r);padding:1.8rem;display:grid;gap:1rem}
.plan--best{border:2px solid var(--accent);position:relative}
.plan--best::before{content:"Most popular";position:absolute;top:-12px;left:1.5rem;background:var(--accent);color:#fff;font-size:.68rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase;padding:.3rem .7rem;border-radius:999px}
.plan__price{font-family:var(--display);font-weight:800;font-size:2.4rem;letter-spacing:-.03em}
.plan__price small{font-family:var(--sans);font-size:.9rem;font-weight:700;color:var(--muted);letter-spacing:0}
.plan li{display:flex;gap:.6rem;align-items:flex-start;font-size:.95rem;color:var(--ink-2)}
.plan li svg{width:18px;height:18px;flex:none;color:var(--accent);margin-top:.15rem}
@media (max-width:760px){.plans{grid-template-columns:1fr}}

/* faq */
.faq details{border-bottom:1px solid var(--rule)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:1rem;padding:1.2rem 0;font-family:var(--display);font-weight:700;font-size:1.1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary i{width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--accent);display:grid;place-items:center;font-style:normal;font-weight:800;transition:transform .4s var(--ease);flex:none}
.faq details[open] summary i{transform:rotate(45deg)}
.faq details p{padding:0 0 1.3rem;color:var(--ink-2);max-width:70ch}

/* cta */
.cta{position:relative;overflow:hidden;background:var(--ink);color:#fff;text-align:center;padding:var(--sec) 0}
.cta img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.18}
.cta .wrap{position:relative}
.cta .h2{max-width:18ch;margin:0 auto 1rem}
.cta p{color:rgba(255,255,255,.8);max-width:52ch;margin:0 auto 2rem}
.cta__actions{display:flex;justify-content:center;gap:.8rem;flex-wrap:wrap}

/* footer */
.site-footer{background:#0A1420;color:rgba(255,255,255,.75);padding:3.5rem 0 2rem}
.footer__grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:2rem}
.footer__grid h3{color:#fff;font-family:var(--display);font-weight:800;font-size:.85rem;letter-spacing:.1em;text-transform:uppercase;margin-bottom:1rem}
.footer__grid a,.footer__grid span{display:block;padding:.25rem 0;font-size:.92rem}
.footer__grid a:hover{color:#fff}
.footer__bottom{margin-top:2.5rem;padding-top:1.2rem;border-top:1px solid rgba(255,255,255,.1);display:flex;justify-content:space-between;flex-wrap:wrap;gap:.8rem;font-size:.78rem;color:rgba(255,255,255,.5)}
@media (max-width:860px){.footer__grid{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.footer__grid{grid-template-columns:1fr}}

/* mobile call bar */
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:99;display:none;grid-template-columns:1fr 1fr;gap:.6rem;padding:.6rem var(--gutter) calc(.6rem + env(safe-area-inset-bottom));background:rgba(255,255,255,.92);backdrop-filter:blur(12px);border-top:1px solid var(--rule)}
@media (max-width:760px){.callbar{display:grid}body{padding-bottom:78px}}

/* marquee */
.ticker{overflow:hidden;background:var(--ink);color:#fff;padding:.8rem 0;border-top:1px solid rgba(255,255,255,.08)}
.ticker__track{display:flex;gap:2.5rem;width:max-content;font-weight:800;font-size:.78rem;letter-spacing:.14em;text-transform:uppercase}
.ticker__track span{display:inline-flex;align-items:center;gap:2.5rem;white-space:nowrap}
.ticker__track i{width:6px;height:6px;border-radius:50%;background:var(--heat)}

@media (max-width:600px){.demo-banner{font-size:.66rem;padding:.4rem .8rem}.phone b{font-size:.95rem}}