/* ============================================================
   LP Gas Technicians · styles (concept brand)
   Concept brand: navy #0E1A2B, flame orange #F2661C, steel #8A97A8
   ============================================================ */
:root{
  --red:#F2661C;
  --red-deep:#C94F0E;
  --red-grad:linear-gradient(135deg,#FFB020 0%,#F2661C 50%,#C94F0E 100%);
  --silver:#8A97A8;
  --silver-lt:#C9D2DD;
  --silver-grad:linear-gradient(160deg,#F2F2F3 0%,#C8C8CA 45%,#8A8A8A 100%);
  --black:#0A1220;
  --ink:#0E1A2B;
  --ink-2:#13223A;
  --ink-3:#1A2C47;
  --text:#14202F;
  --muted:#5B6878;
  --muted-dk:#A5B1C2;
  --paper:#FFFFFF;
  --paper-2:#F3F6F9;
  --line:#E1E6EC;
  --line-dk:#24364F;
  --f-head:'Sora',system-ui,sans-serif;
  --f-body:'Inter',system-ui,sans-serif;
  --f-mono:'JetBrains Mono',ui-monospace,monospace;
  --gutter:clamp(16px,4vw,48px);
  --max:1240px;
  --ease:cubic-bezier(.2,.7,.2,1);
  --header-h:76px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:var(--f-body);font-weight:300;font-size:16px;line-height:1.65;color:var(--text);background:var(--paper);overflow-x:hidden}
img,svg{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit;border-radius:0}
button{cursor:pointer;background:none;border:0}
::selection{background:var(--red);color:#fff}

/* Custom scrollbar */
html{scrollbar-color:var(--red) var(--ink);scrollbar-width:thin}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--ink)}
::-webkit-scrollbar-thumb{background:linear-gradient(var(--red),var(--red-deep));border:2px solid var(--ink)}
::-webkit-scrollbar-thumb:hover{background:var(--red)}

/* Type */
h1,h2,h3,h4{font-family:var(--f-head);font-weight:400;line-height:1.12;letter-spacing:-.01em;color:inherit}
h1{font-size:clamp(2.2rem,4.6vw,3.75rem);font-weight:400;letter-spacing:-.02em}
h2{font-size:clamp(1.65rem,3vw,2.45rem)}
h3{font-size:1.08rem;font-weight:500;letter-spacing:0}
p{max-width:62ch}
.hl{color:var(--red)}
.label{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--red);display:inline-flex;align-items:center;gap:10px}
.label::before{content:"";width:22px;height:1px;background:currentColor}
.lead{font-size:1.04rem;color:var(--muted)}
.dark .lead{color:var(--muted-dk)}
.container{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(72px,10vw,128px) 0}
.section-head{display:grid;gap:16px;margin-bottom:clamp(36px,5vw,56px);max-width:720px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;justify-items:center}
.section-head p{color:var(--muted)}
.dark{background:var(--ink);color:#F2F2F3}
.dark .section-head p{color:var(--muted-dk)}
.soft{background:var(--paper-2)}
.icon{width:22px;height:22px;flex:0 0 auto}

/* Buttons */
.btn{position:relative;display:inline-flex;align-items:center;gap:10px;padding:14px 24px;font-family:var(--f-head);font-weight:500;font-size:.88rem;letter-spacing:.02em;border:1px solid var(--red);color:#fff;background:var(--red);overflow:hidden;isolation:isolate;transition:color .35s var(--ease),border-color .35s var(--ease),transform .25s var(--ease)}
.btn::before{content:"";position:absolute;inset:0;background:var(--ink);transform:translateX(-101%);transition:transform .45s var(--ease);z-index:-1}
.btn:hover::before{transform:translateX(0)}
.btn:hover{border-color:var(--ink)}
.btn .icon{width:18px;height:18px;transition:transform .3s var(--ease)}
.btn:hover .icon{transform:translateX(3px)}
.btn-ghost{background:transparent;color:inherit;border-color:currentColor}
.btn-ghost::before{background:var(--red)}
.btn-ghost:hover{color:#fff;border-color:var(--red)}
.dark .btn::before{background:#fff}
.dark .btn:hover{color:var(--ink);border-color:#fff}
.dark .btn-ghost{border-color:rgba(255,255,255,.4)}
.dark .btn-ghost::before{background:var(--red)}
.dark .btn-ghost:hover{color:#fff;border-color:var(--red)}
.magnetic{will-change:transform}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--f-head);font-weight:500;font-size:.86rem;color:var(--text);transition:color .25s var(--ease)}
.link-arrow .icon{width:16px;height:16px;transition:transform .3s var(--ease),color .25s}
.link-arrow:hover,.card:hover .link-arrow{color:var(--red)}
.link-arrow:hover .icon,.card:hover .link-arrow .icon{transform:translateX(4px)}

/* Progress bar */
.progress{position:fixed;top:0;left:0;height:3px;width:100%;background:var(--red-grad);transform-origin:left;transform:scaleX(0);z-index:200;pointer-events:none}

/* Header */
.header{position:fixed;inset:0 0 auto 0;height:var(--header-h);z-index:100;background:rgba(10,18,32,.94);backdrop-filter:saturate(140%) blur(10px);-webkit-backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid rgba(255,255,255,.06);color:#fff;transition:height .3s var(--ease)}
.header.scrolled{height:64px}
.header .container{height:100%;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:12px}
.logo-crop{display:block;position:relative;overflow:hidden;width:44px;aspect-ratio:670/760;flex:0 0 auto;background:#000}
.logo-crop img{position:absolute;width:107.46%;max-width:none;left:-4.48%;top:-21.71%;height:auto}
.brand-text{display:flex;flex-direction:column;line-height:1}
.brand-text b{font-family:var(--f-head);font-weight:500;font-size:1.02rem;letter-spacing:.06em;color:var(--red)}
.brand-text span{font-family:var(--f-head);font-weight:400;font-size:.62rem;letter-spacing:.24em;color:var(--silver-lt);margin-top:5px}
.nav{display:flex;align-items:center;gap:30px}
.nav a{font-family:var(--f-head);font-size:.84rem;font-weight:400;color:#D9D9DC;position:relative;transition:color .25s}
.nav a:hover{color:var(--red)}
.header .btn{padding:11px 20px}
.burger{display:none;width:40px;height:40px;position:relative}
.burger span{position:absolute;left:8px;right:8px;height:1.5px;background:#fff;transition:transform .35s var(--ease),opacity .25s}
.burger span:nth-child(1){top:13px}.burger span:nth-child(2){top:19.5px}.burger span:nth-child(3){top:26px}
.menu-open .burger span:nth-child(1){transform:translateY(6.5px) rotate(45deg)}
.menu-open .burger span:nth-child(2){opacity:0}
.menu-open .burger span:nth-child(3){transform:translateY(-6.5px) rotate(-45deg)}
.mobile-menu{position:fixed;inset:0;z-index:90;background:var(--black);color:#fff;display:flex;flex-direction:column;justify-content:center;padding:calc(var(--header-h) + 20px) var(--gutter) 40px;clip-path:inset(0 0 100% 0);transition:clip-path .55s var(--ease);visibility:hidden}
.menu-open .mobile-menu{clip-path:inset(0 0 0 0);visibility:visible}
.mobile-menu a.m-link{font-family:var(--f-head);font-weight:300;font-size:clamp(1.8rem,7vw,2.6rem);padding:10px 0;border-bottom:1px solid var(--line-dk);display:flex;justify-content:space-between;align-items:center}
.mobile-menu a.m-link:hover{color:var(--red)}
.mobile-menu .m-foot{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px}

/* Hero */
.hero{position:relative;height:100vh;height:100svh;min-height:0;background:var(--black);color:#fff;overflow:hidden;padding-top:var(--header-h)}
.hero::before{content:"";position:absolute;inset:0;background:radial-gradient(60% 60% at 78% 50%,rgba(242,102,28,.16),transparent 70%),radial-gradient(40% 50% at 10% 90%,rgba(138,151,168,.12),transparent 70%);pointer-events:none}
.hero .container{position:relative;height:100%;display:grid;grid-template-columns:1.02fr 1fr;align-items:center;gap:clamp(24px,4vw,64px)}
.hero-copy{display:grid;gap:22px;align-content:center}
.hero h1{max-width:13ch}
.hero p.intro{color:#BDBDC2;font-size:1.06rem;max-width:46ch}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 26px;font-family:var(--f-mono);font-size:.72rem;letter-spacing:.08em;text-transform:uppercase;color:var(--muted-dk);padding-top:6px}
.hero-meta span{display:inline-flex;align-items:center;gap:8px}
.hero-meta i{width:6px;height:6px;background:var(--red);display:inline-block}
.hero-art{height:100%;max-height:620px;display:flex;align-items:center;justify-content:center;min-height:0}
.hero-art svg{width:100%;height:100%;max-height:560px}

/* Hero illustration motion */
.ill .grow{transform-box:fill-box;transform-origin:50% 100%;animation:ill-grow 1s var(--ease) both}
.ill .fade{animation:ill-fade 1s var(--ease) both}
.ill .tick{stroke-dasharray:24;stroke-dashoffset:24;animation:ill-tick .5s var(--ease) forwards}
.ill .bar{transform-box:fill-box;transform-origin:0 50%;animation:ill-bar 2.2s var(--ease) .9s both}
.ill .stamp{animation:ill-stamp 1.4s var(--ease) 2s both,ill-float 4s ease-in-out 3.5s infinite}
.ill .stamp-mark{opacity:0;transform-box:fill-box;transform-origin:50% 50%;animation:ill-mark .4s ease-out 2.85s forwards}
.ill .cursor{animation:ill-blink 1.1s steps(1) infinite}
.ill .seal{transform-box:fill-box;transform-origin:50% 50%;animation:ill-pop .7s var(--ease) 1.6s both}
@keyframes ill-grow{from{opacity:0;transform:translateY(24px) scale(.96)}to{opacity:1;transform:none}}
@keyframes ill-fade{from{opacity:0}to{opacity:1}}
@keyframes ill-tick{to{stroke-dashoffset:0}}
@keyframes ill-bar{from{transform:scaleX(0)}to{transform:scaleX(1)}}
@keyframes ill-stamp{0%{opacity:0;transform:translateY(-40px)}35%{opacity:1;transform:translateY(0)}60%{transform:translateY(159px)}72%{transform:translateY(159px)}100%{opacity:1;transform:translateY(0)}}
@keyframes ill-float{0%,100%{transform:translateY(0)}50%{transform:translateY(-8px)}}
@keyframes ill-mark{from{opacity:0;transform:scale(1.15)}to{opacity:.95;transform:none}}
@keyframes ill-blink{50%{opacity:0}}
@keyframes ill-pop{from{opacity:0;transform:scale(.4)}to{opacity:1;transform:none}}

/* Marquee */
.marquee{background:var(--black);border-top:1px solid var(--red);border-bottom:1px solid var(--red);overflow:hidden;padding:12px 0;color:#E8E8EA}
.marquee-track{display:flex;width:max-content;animation:marquee 46s linear infinite}
.marquee:hover .marquee-track{animation-play-state:paused}
.marquee-track span{font-family:var(--f-head);font-weight:300;font-size:15px;letter-spacing:.04em;white-space:nowrap;display:inline-flex;align-items:center;gap:22px;padding-right:22px}
.marquee-track span::after{content:"";width:6px;height:6px;background:var(--red);transform:rotate(45deg)}
@keyframes marquee{to{transform:translateX(-50%)}}

/* Facts */
.facts{display:grid;grid-template-columns:repeat(3,1fr);border-bottom:1px solid var(--line)}
.fact{padding:clamp(28px,4vw,44px) var(--gutter);border-right:1px solid var(--line);display:grid;gap:6px}
.fact:last-child{border-right:0}
.fact strong{font-family:var(--f-head);font-weight:300;font-size:clamp(1.9rem,3.2vw,2.6rem);line-height:1;color:var(--ink)}
.fact strong em{font-style:normal;color:var(--red)}
.fact span{color:var(--muted);font-size:.92rem}

/* About */
.about{display:grid;grid-template-columns:1fr 1fr;gap:clamp(36px,6vw,88px);align-items:center}
.about-copy{display:grid;gap:22px}
.checklist{list-style:none;display:grid;gap:14px;margin-top:6px}
.checklist li{display:flex;gap:14px;align-items:flex-start;font-size:.98rem}
.checklist .icon{width:22px;height:22px;color:var(--red);margin-top:2px}
.about-photo{position:relative;aspect-ratio:4/5;overflow:hidden;background:var(--paper-2)}
.about-photo img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease)}
.about-photo:hover img{transform:scale(1.04)}

/* Cards (services) */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{position:relative;background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:transform .45s var(--ease),border-color .35s,box-shadow .45s var(--ease)}
.card:hover{transform:translateY(-6px);border-color:var(--red);box-shadow:0 22px 44px -26px rgba(0,0,0,.35)}
.card-media{aspect-ratio:16/10;overflow:hidden;background:var(--paper-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.card:hover .card-media img{transform:scale(1.06)}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-icon{width:44px;height:44px;display:grid;place-items:center;background:var(--ink);color:#fff;margin-top:-46px;position:relative;transition:background .3s,transform .35s var(--ease)}
.card:hover .card-icon{background:var(--red);transform:translateY(-3px)}
.card p{color:var(--muted);font-size:.93rem}
.tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:auto;padding-top:4px}
.tags span{font-family:var(--f-mono);font-size:.66rem;letter-spacing:.06em;text-transform:uppercase;padding:5px 8px;border:1px solid var(--line);color:var(--muted)}
.card .link-arrow{margin-top:6px}

/* Photo trio */
.trio{display:grid;grid-template-columns:repeat(3,1fr);gap:4px;background:var(--black)}
.trio figure{position:relative;aspect-ratio:3/4;overflow:hidden;color:#fff}
.trio img{width:100%;height:100%;object-fit:cover;transition:transform 1.2s var(--ease),filter .6s}
.trio figure::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,0) 40%,rgba(0,0,0,.82) 100%)}
.trio figure:hover img{transform:scale(1.05)}
.trio figcaption{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:clamp(20px,3vw,32px);display:grid;gap:6px}
.trio figcaption .icon{color:var(--red);width:26px;height:26px;transition:transform .35s var(--ease)}
.trio figure:hover figcaption .icon{transform:translateY(-3px)}
.trio h3{font-size:1.5rem;font-weight:300}
.trio p{color:#CFCFD3;font-size:.92rem}

/* Use cases */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.use{background:#fff;border:1px solid var(--line);display:flex;flex-direction:column;transition:border-color .35s,transform .45s var(--ease)}
.use:hover{border-color:var(--red);transform:translateY(-4px)}
.use .media{aspect-ratio:4/3;overflow:hidden}
.use .media img{width:100%;height:100%;object-fit:cover;transition:transform .9s var(--ease)}
.use:hover .media img{transform:scale(1.05)}
.use .body{padding:20px;display:grid;gap:8px}
.use p{color:var(--muted);font-size:.9rem}

/* Why */
.why{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line-dk);border:1px solid var(--line-dk)}
.why-card{background:var(--ink);padding:32px 26px;display:grid;gap:14px;align-content:start;transition:background .35s}
.why-card:hover{background:var(--ink-2)}
.why-card svg.why-ic{width:54px;height:54px;color:var(--red);transition:transform .4s var(--ease)}
.why-card:hover svg.why-ic{transform:translateY(-4px) rotate(-3deg)}
.why-card h3{color:#fff}
.why-card p{color:var(--muted-dk);font-size:.92rem}

/* Process */
.process{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:28px;padding-top:34px}
.rail{position:absolute;top:0;left:0;right:0;height:2px;background:var(--line)}
.rail i{display:block;height:100%;background:var(--red-grad);transform-origin:left}
.step{position:relative;display:grid;gap:10px}
.step::before{content:"";position:absolute;top:-40px;left:0;width:12px;height:12px;background:#fff;border:2px solid var(--red)}
.step .num{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.12em;color:var(--red)}
.step p{color:var(--muted);font-size:.93rem}

/* Filing map */
.filing{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(30px,5vw,72px);align-items:center}
.filing-list{list-style:none;display:grid;gap:4px}
.filing-list li{display:grid;grid-template-columns:64px 1fr;gap:16px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line-dk)}
.filing-list .ini{width:64px;height:40px;display:grid;place-items:center;justify-self:start;border:1px solid var(--red);font-family:var(--f-mono);font-size:.72rem;letter-spacing:.06em;color:#fff;transition:background .3s}
.filing-list li:hover .ini{background:var(--red)}
.filing-list b{font-family:var(--f-head);font-weight:500;color:#fff;display:block;font-size:.95rem}
.filing-list span{color:var(--muted-dk);font-size:.86rem}
.hexmap{width:100%;height:auto}
.hex-grid polygon{fill:none;stroke:rgba(255,255,255,.07);stroke-width:1}
.hex-links path{fill:none;stroke:var(--red);stroke-width:2;stroke-linejoin:round;stroke-dasharray:var(--len);stroke-dashoffset:var(--len)}
.hexmap.in .hex-links path{transition:stroke-dashoffset 1.6s var(--ease);stroke-dashoffset:0}
.hexmap.in .hex-links path:nth-child(2){transition-delay:.15s}
.hexmap.in .hex-links path:nth-child(3){transition-delay:.3s}
.hexmap.in .hex-links path:nth-child(4){transition-delay:.45s}
.hexmap.in .hex-links path:nth-child(5){transition-delay:.6s}
.hexmap.in .hex-links path:nth-child(6){transition-delay:.75s}
.hex-node polygon{fill:var(--ink-3);stroke:var(--silver);stroke-width:1.2;transition:fill .3s}
.hex-node text{font-family:var(--f-mono);font-size:11px;fill:#EDEDEF;letter-spacing:.04em}
.hex-node:hover polygon{fill:var(--red)}
.hex-hq polygon{fill:var(--red);stroke:var(--red)}
.hex-hq text{fill:#fff;font-weight:500}

/* Recent project */
.project{display:grid;grid-template-columns:1fr 1fr;gap:clamp(30px,5vw,72px);align-items:center}
.project-photo{aspect-ratio:4/5;overflow:hidden;background:#111;max-width:520px;width:100%;justify-self:center}
.project-photo img{width:100%;height:100%;object-fit:cover;object-position:50% 30%;transition:transform 1.2s var(--ease)}
.project-photo:hover img{transform:scale(1.04)}
.log{list-style:none;border-top:1px solid var(--line);margin-top:8px}
.log li{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:14px 0;border-bottom:1px solid var(--line);font-size:.94rem}
.log li span:first-child{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);padding-top:3px}
.status{display:inline-flex;align-items:center;gap:8px}
.status i{width:8px;height:8px;background:var(--red)}

/* Quote form */
.quote{display:grid;grid-template-columns:1.25fr .75fr;gap:clamp(30px,4vw,56px);align-items:start}
.form{display:grid;gap:18px;background:#fff;border:1px solid var(--line);padding:clamp(22px,3vw,36px)}
.row-2{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:grid;gap:7px}
.field label,.fieldset legend{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.field input,.field textarea{width:100%;padding:13px 14px;border:1px solid var(--line);background:var(--paper-2);font-size:.95rem;font-weight:400;transition:border-color .25s,background .25s;outline:none}
.field input:focus,.field textarea:focus{border-color:var(--red);background:#fff}
.field textarea{min-height:110px;resize:vertical}
.fieldset{border:0;display:grid;gap:10px}
.checks{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
.check{position:relative;display:flex;align-items:center;gap:10px;padding:10px 12px;border:1px solid var(--line);font-size:.86rem;transition:border-color .25s,background .25s}
.check:hover{border-color:var(--silver)}
.check input{position:absolute;opacity:0;pointer-events:none}
.check .box{width:16px;height:16px;border:1px solid var(--silver);display:grid;place-items:center;flex:0 0 auto;transition:background .2s,border-color .2s}
.check .box svg{width:12px;height:12px;color:#fff;opacity:0}
.check input:checked + .box{background:var(--red);border-color:var(--red)}
.check input:checked + .box svg{opacity:1}
.check:has(input:checked){border-color:var(--red);background:#FFF4EC}
.check input:focus-visible + .box{outline:2px solid var(--red);outline-offset:2px}
.form-note{font-size:.82rem;color:var(--muted)}
.form .btn{justify-self:start}
.form-error{color:var(--red);font-size:.86rem;display:none}
.form-error.show{display:block}
.contact-cards{display:grid;gap:12px}
.ccard{display:grid;grid-template-columns:44px 1fr auto;gap:14px;align-items:center;padding:18px;background:#fff;border:1px solid var(--line);transition:border-color .3s,transform .35s var(--ease)}
.ccard:hover{border-color:var(--red);transform:translateY(-3px)}
.ccard .ic{width:44px;height:44px;display:grid;place-items:center;background:var(--ink);color:#fff;transition:background .3s}
.ccard:hover .ic{background:var(--red)}
.ccard small{display:block;font-family:var(--f-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted)}
.ccard a,.ccard b{font-family:var(--f-head);font-weight:500;font-size:.94rem;word-break:break-word}
.ccard a:hover{color:var(--red)}
.copy{width:36px;height:36px;display:grid;place-items:center;border:1px solid var(--line);color:var(--muted);transition:color .25s,border-color .25s}
.copy:hover{color:var(--red);border-color:var(--red)}
.copy.done{color:#fff;background:var(--red);border-color:var(--red)}
.copy .icon{width:16px;height:16px}

/* CTA band */
.cta-band{background:var(--red-grad);color:#fff;padding:clamp(56px,8vw,96px) 0}
.cta-band .container{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-band h2{font-weight:300;max-width:18ch}
.cta-phone{font-family:var(--f-head);font-weight:300;font-size:clamp(1.8rem,4vw,3rem);letter-spacing:.02em;display:inline-flex;align-items:center;gap:14px;transition:opacity .25s}
.cta-phone:hover{opacity:.82}
.cta-phone .icon{width:34px;height:34px}
.cta-band .btn{background:#fff;color:var(--ink);border-color:#fff}
.cta-band .btn::before{background:var(--ink)}
.cta-band .btn:hover{color:#fff;border-color:var(--ink)}

/* Footer */
.footer{background:var(--black);color:#CFCFD3;padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}
.footer .logo-crop{width:120px;margin-bottom:10px}
.f-word{display:block;font-family:var(--f-head);font-size:.68rem;letter-spacing:.3em;color:var(--silver-lt)}
.footer h4{font-family:var(--f-mono);font-weight:400;font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--silver);margin-bottom:16px}
.footer ul{list-style:none;display:grid;gap:9px;font-size:.9rem}
.footer a:hover{color:var(--red)}
.footer .f-brand p{font-size:.9rem;color:var(--muted-dk);margin-top:14px;max-width:34ch}
.footer-bottom{margin-top:56px;padding-top:22px;border-top:1px solid var(--line-dk);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:.8rem;color:var(--muted-dk)}
.footer-bottom nav{display:flex;gap:18px}

/* Floating buttons */
.float-wa,.to-top{position:fixed;right:20px;z-index:80;width:52px;height:52px;display:grid;place-items:center;transition:transform .35s var(--ease),opacity .35s,background .3s}
.float-wa{bottom:20px;background:var(--red);color:#fff;box-shadow:0 12px 28px -10px rgba(242,102,28,.7)}
.float-wa:hover{transform:translateY(-4px);background:var(--red-deep)}
.float-wa .icon{width:26px;height:26px}
.to-top{bottom:84px;background:var(--ink);color:#fff;border:1px solid var(--line-dk);opacity:0;pointer-events:none;transform:translateY(10px)}
.to-top.show{opacity:1;pointer-events:auto;transform:none}
.to-top:hover{background:var(--red);border-color:var(--red)}

/* Custom cursor (fine pointers only) */
.cursor-dot,.cursor-ring{position:fixed;top:0;left:0;pointer-events:none;z-index:300;border-radius:50%;opacity:0;transition:opacity .3s}
.cursor-dot{width:6px;height:6px;margin:-3px 0 0 -3px;background:var(--red)}
.cursor-ring{width:34px;height:34px;margin:-17px 0 0 -17px;border:1px solid var(--red);transition:opacity .3s,width .3s var(--ease),height .3s var(--ease),margin .3s var(--ease),background .3s}
.cursor-ring.grow{width:62px;height:62px;margin:-31px 0 0 -31px;background:rgba(242,102,28,.08)}
html.has-cursor .cursor-dot,html.has-cursor .cursor-ring{opacity:1}
@media (hover:hover) and (pointer:fine){
  html.has-cursor,html.has-cursor *{cursor:none!important}
}

/* Toast */
.toast{position:fixed;left:50%;bottom:28px;transform:translate(-50%,20px);background:var(--ink);color:#fff;padding:12px 18px;font-size:.86rem;opacity:0;transition:opacity .3s,transform .3s var(--ease);z-index:150;pointer-events:none;border-left:3px solid var(--red)}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* Legal pages */
.legal{padding:calc(var(--header-h) + 64px) 0 96px}
.legal .container{max-width:860px}
.legal h1{font-size:clamp(2rem,4vw,3rem);margin:14px 0 10px}
.legal .updated{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:40px}
.legal h2{font-size:1.25rem;font-weight:500;margin:36px 0 12px}
.legal p,.legal li{color:#3A3A3F;font-size:.98rem;max-width:none}
.legal ul{padding-left:20px;display:grid;gap:6px;margin:10px 0}
.legal a{color:var(--red);text-decoration:underline;text-underline-offset:3px}

/* ============================================================
   ANIMATION LIBRARY — every revealed element gets a UNIQUE one.
   Elements start hidden (.reveal) and play when .in is added.
   prefers-reduced-motion fully disables transforms.
   ============================================================ */
.reveal{opacity:0;will-change:transform,opacity,clip-path,filter}
.reveal.in{opacity:1}
.reveal.in[data-anim]{animation-duration:.95s;animation-fill-mode:both;animation-timing-function:cubic-bezier(.2,.7,.2,1);animation-delay:var(--d,0s)}
.reveal.in.done[data-anim]{animation:none!important;opacity:1;will-change:auto}

[data-anim="rise"].in{animation-name:a_rise}
@keyframes a_rise{from{opacity:0;transform:translateY(46px)}to{opacity:1;transform:none}}
[data-anim="drop"].in{animation-name:a_drop}
@keyframes a_drop{from{opacity:0;transform:translateY(-46px)}to{opacity:1;transform:none}}
[data-anim="left"].in{animation-name:a_left}
@keyframes a_left{from{opacity:0;transform:translateX(60px)}to{opacity:1;transform:none}}
[data-anim="right"].in{animation-name:a_right}
@keyframes a_right{from{opacity:0;transform:translateX(-60px)}to{opacity:1;transform:none}}
[data-anim="zoomin"].in{animation-name:a_zoomin}
@keyframes a_zoomin{from{opacity:0;transform:scale(.78)}to{opacity:1;transform:scale(1)}}
[data-anim="zoomout"].in{animation-name:a_zoomout}
@keyframes a_zoomout{from{opacity:0;transform:scale(1.22)}to{opacity:1;transform:scale(1)}}
[data-anim="flipx"].in{animation-name:a_flipx}
@keyframes a_flipx{from{opacity:0;transform:perspective(900px) rotateX(58deg);transform-origin:top}to{opacity:1;transform:perspective(900px) rotateX(0)}}
[data-anim="flipy"].in{animation-name:a_flipy}
@keyframes a_flipy{from{opacity:0;transform:perspective(900px) rotateY(-62deg);transform-origin:left}to{opacity:1;transform:perspective(900px) rotateY(0)}}
[data-anim="swing"].in{animation-name:a_swing;transform-origin:top center}
@keyframes a_swing{0%{opacity:0;transform:rotate(-7deg) translateY(-30px)}60%{opacity:1;transform:rotate(3deg)}100%{transform:rotate(0)}}
[data-anim="blur"].in{animation-name:a_blur}
@keyframes a_blur{from{opacity:0;filter:blur(16px);transform:scale(1.05)}to{opacity:1;filter:blur(0);transform:none}}
[data-anim="wipeup"].in{animation-name:a_wipeup}
@keyframes a_wipeup{from{opacity:0;clip-path:inset(100% 0 0 0)}to{opacity:1;clip-path:inset(0 0 0 0)}}
[data-anim="wipedown"].in{animation-name:a_wipedown}
@keyframes a_wipedown{from{opacity:0;clip-path:inset(0 0 100% 0)}to{opacity:1;clip-path:inset(0 0 0 0)}}
[data-anim="wipeleft"].in{animation-name:a_wipeleft}
@keyframes a_wipeleft{from{opacity:0;clip-path:inset(0 0 0 100%)}to{opacity:1;clip-path:inset(0 0 0 0)}}
[data-anim="wiperight"].in{animation-name:a_wiperight}
@keyframes a_wiperight{from{opacity:0;clip-path:inset(0 100% 0 0)}to{opacity:1;clip-path:inset(0 0 0 0)}}
[data-anim="skew"].in{animation-name:a_skew}
@keyframes a_skew{from{opacity:0;transform:skewY(7deg) translateY(40px)}to{opacity:1;transform:none}}
[data-anim="pop"].in{animation-name:a_pop}
@keyframes a_pop{0%{opacity:0;transform:scale(.5)}70%{opacity:1;transform:scale(1.08)}100%{transform:scale(1)}}
[data-anim="tilt"].in{animation-name:a_tilt}
@keyframes a_tilt{from{opacity:0;transform:rotate(-9deg) translate(-24px,24px)}to{opacity:1;transform:none}}
[data-anim="growx"].in{animation-name:a_growx;transform-origin:left}
@keyframes a_growx{from{opacity:0;transform:scaleX(0)}to{opacity:1;transform:scaleX(1)}}
[data-anim="growy"].in{animation-name:a_growy;transform-origin:bottom}
@keyframes a_growy{from{opacity:0;transform:scaleY(0)}to{opacity:1;transform:scaleY(1)}}
[data-anim="spiral"].in{animation-name:a_spiral}
@keyframes a_spiral{from{opacity:0;transform:rotate(-28deg) scale(.6)}to{opacity:1;transform:none}}
[data-anim="diagUL"].in{animation-name:a_diagUL}
@keyframes a_diagUL{from{opacity:0;transform:translate(48px,48px)}to{opacity:1;transform:none}}
[data-anim="diagUR"].in{animation-name:a_diagUR}
@keyframes a_diagUR{from{opacity:0;transform:translate(-48px,48px)}to{opacity:1;transform:none}}
[data-anim="curtain"].in{animation-name:a_curtain}
@keyframes a_curtain{from{opacity:0;clip-path:inset(0 50% 0 50%)}to{opacity:1;clip-path:inset(0 0 0 0)}}
[data-anim="float"].in{animation-name:a_float}
@keyframes a_float{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:none}}
[data-anim="bounce"].in{animation-name:a_bounce}
@keyframes a_bounce{0%{opacity:0;transform:translateY(50px)}55%{opacity:1;transform:translateY(-10px)}100%{transform:translateY(0)}}
[data-anim="rollin"].in{animation-name:a_rollin}
@keyframes a_rollin{from{opacity:0;transform:rotate(-120deg) scale(.4)}to{opacity:1;transform:none}}
[data-anim="iris"].in{animation-name:a_iris}
@keyframes a_iris{from{opacity:0;clip-path:circle(0% at 50% 50%)}to{opacity:1;clip-path:circle(75% at 50% 50%)}}
[data-anim="peel"].in{animation-name:a_peel}
@keyframes a_peel{from{opacity:0;transform:perspective(900px) rotateY(30deg) rotateX(-10deg)}to{opacity:1;transform:none}}
[data-anim="shutter"].in{animation-name:a_shutter}
@keyframes a_shutter{from{opacity:0;clip-path:inset(0 0 100% 0)}50%{clip-path:inset(0 0 0 0)}to{opacity:1;clip-path:inset(0 0 0 0)}}
[data-anim="rubber"].in{animation-name:a_rubber}
@keyframes a_rubber{0%{opacity:0;transform:scale(.3,1.4)}50%{opacity:1;transform:scale(1.1,.9)}100%{transform:scale(1,1)}}
[data-anim="slantup"].in{animation-name:a_slantup}
@keyframes a_slantup{from{opacity:0;transform:translateY(60px) rotate(3deg)}to{opacity:1;transform:none}}
[data-anim="tuck"].in{animation-name:a_tuck}
@keyframes a_tuck{from{opacity:0;transform:translateX(30px) scale(.9)}to{opacity:1;transform:none}}
[data-anim="spring"].in{animation-name:a_spring}
@keyframes a_spring{0%{opacity:0;transform:scale(0)}70%{opacity:1;transform:scale(1.15)}100%{transform:scale(1)}}
[data-anim="unfold"].in{animation-name:a_unfold}
@keyframes a_unfold{from{opacity:0;transform:perspective(800px) rotateX(-75deg)}to{opacity:1;transform:perspective(800px) rotateX(0)}}

@media (prefers-reduced-motion:reduce){
  .reveal,.reveal.in{opacity:1!important;animation:none!important;transform:none!important;clip-path:none!important;filter:none!important}
  *{animation:none!important}
  html{scroll-behavior:auto}
  .hex-links path{stroke-dashoffset:0!important}
  .ill .tick{stroke-dashoffset:0}
  .ill .stamp-mark{opacity:.95}
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width:1080px){
  .nav,.header .btn{display:none}
  .burger{display:block}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .why{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:900px){
  .hero .container{grid-template-columns:1fr;grid-template-rows:auto minmax(0,1fr);align-items:stretch;gap:8px;padding-top:clamp(16px,4vh,40px);padding-bottom:12px}
  .hero-copy{align-content:start;gap:16px}
  .hero h1{max-width:16ch}
  .hero-art{height:auto;min-height:0;max-height:none}
  .hero-art svg{max-height:100%}
  .about,.filing,.project,.quote{grid-template-columns:1fr}
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .process{grid-template-columns:repeat(2,1fr);row-gap:56px}
  .process .rail{display:none}
  .step::before{top:-22px}
  .project-photo{aspect-ratio:1/1}
}
@media (max-width:640px){
  :root{--header-h:64px}
  body{font-size:15px}
  .facts{grid-template-columns:1fr}
  .fact{border-right:0;border-bottom:1px solid var(--line)}
  .fact:last-child{border-bottom:0}
  .grid-3,.grid-4,.trio,.why{grid-template-columns:1fr}
  .trio figure{aspect-ratio:4/3}
  .process{grid-template-columns:1fr}
  .row-2,.checks{grid-template-columns:1fr}
  .filing-list li{grid-template-columns:64px 1fr}
  .filing-list span{display:none}
  .footer-grid{grid-template-columns:1fr}
  .log li{grid-template-columns:96px 1fr}
  .hero p.intro{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
  .hero-actions .btn{padding:13px 18px}
}
@media (max-height:720px) and (max-width:900px){
  .hero-meta{display:none}
}
@media (max-height:620px) and (max-width:900px){
  .hero h1{font-size:2rem}
}

/* ============================================================
   Gas demo additions: logo, sub-page headers, tabs, accordions
   ============================================================ */
.logo-svg{width:42px;height:42px;flex:0 0 auto}
.footer .logo-svg{width:64px;height:64px;margin-bottom:12px}
.brand-text b{color:#fff;font-weight:400;letter-spacing:.14em}
.brand-text b em{font-style:normal;color:var(--red)}
.nav a.active{color:var(--red)}
.page-hero{position:relative;background:var(--black);color:#fff;padding:calc(var(--header-h) + clamp(56px,9vw,110px)) 0 clamp(56px,8vw,96px);overflow:hidden}
.page-hero::before{content:"";position:absolute;inset:0;background:radial-gradient(50% 70% at 85% 30%,rgba(242,102,28,.18),transparent 70%);pointer-events:none}
.page-hero .container{position:relative;display:grid;gap:18px}
.page-hero h1{max-width:18ch}
.page-hero p{color:#BFC9D6;font-size:1.05rem;max-width:56ch}
.crumbs{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted-dk)}
.crumbs a:hover{color:var(--red)}
.svc-detail{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(28px,5vw,64px);align-items:start;padding:clamp(40px,6vw,72px) 0;border-bottom:1px solid var(--line);scroll-margin-top:90px}
.svc-detail:last-child{border-bottom:0}
.svc-detail .media{aspect-ratio:4/3;overflow:hidden;background:var(--paper-2)}
.svc-detail .media img{width:100%;height:100%;object-fit:cover;transition:transform 1s var(--ease)}
.svc-detail:hover .media img{transform:scale(1.04)}
.svc-detail .copy-col{display:grid;gap:16px}
.svc-detail .num{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.12em;color:var(--red)}
.acc{border-top:1px solid var(--line)}
.acc details{border-bottom:1px solid var(--line)}
.acc summary{list-style:none;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:16px 0;font-family:var(--f-head);font-weight:400;font-size:.98rem;transition:color .25s}
.acc summary::-webkit-details-marker{display:none}
.acc summary:hover{color:var(--red)}
.acc summary .pm{width:22px;height:22px;position:relative;flex:0 0 auto;border:1px solid var(--line);transition:border-color .25s,background .25s}
.acc summary .pm::before,.acc summary .pm::after{content:"";position:absolute;left:50%;top:50%;width:10px;height:1.5px;background:currentColor;transform:translate(-50%,-50%);transition:transform .3s var(--ease)}
.acc summary .pm::after{transform:translate(-50%,-50%) rotate(90deg)}
.acc details[open] summary .pm{background:var(--red);border-color:var(--red);color:#fff}
.acc details[open] summary .pm::after{transform:translate(-50%,-50%) rotate(0)}
.acc .acc-body{padding:0 0 18px;color:var(--muted);font-size:.94rem;display:grid;gap:8px}
.acc .acc-body ul{padding-left:18px;display:grid;gap:4px}
.tabs{display:flex;gap:0;border:1px solid var(--line);width:max-content;max-width:100%;margin-bottom:-1px;position:relative;z-index:1;background:#fff}
.tab{padding:13px 20px;font-family:var(--f-head);font-size:.88rem;color:var(--muted);border-right:1px solid var(--line);transition:color .25s,background .25s}
.tab:last-child{border-right:0}
.tab:hover{color:var(--red)}
.tab[aria-selected="true"]{background:var(--ink);color:#fff}
.panel[hidden]{display:none}
.field select{width:100%;padding:13px 14px;border:1px solid var(--line);background:var(--paper-2);font-size:.95rem;font-weight:400;outline:none;appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--muted) 50%),linear-gradient(135deg,var(--muted) 50%,transparent 50%);background-position:calc(100% - 18px) 50%,calc(100% - 13px) 50%;background-size:5px 5px;background-repeat:no-repeat}
.field select:focus{border-color:var(--red);background-color:#fff}
.radio-row{display:flex;flex-wrap:wrap;gap:8px}
.radio-row .check{flex:1 1 140px}
.demo-badge{position:fixed;left:20px;bottom:20px;z-index:80;background:var(--ink);color:#fff;font-family:var(--f-mono);font-size:.66rem;letter-spacing:.12em;text-transform:uppercase;padding:9px 12px;border-left:3px solid var(--red)}
@media (max-width:900px){.svc-detail{grid-template-columns:1fr}}
@media (max-width:640px){.tabs{width:100%}.tab{flex:1;padding:12px 10px;font-size:.8rem;text-align:center}.demo-badge{display:none}}

/* Gas hero motion */
.ill .flame{transform-box:view-box;animation:flicker 1.6s ease-in-out infinite}
.ill .flame-2{animation-duration:1.9s;animation-delay:.3s}
.ill .needle{transform-box:view-box;animation:needle-in 1.6s var(--ease) 1s both,needle-wobble 3.2s ease-in-out 2.6s infinite}
@keyframes flicker{0%,100%{transform:scaleY(1) scaleX(1)}30%{transform:scaleY(1.12) scaleX(.97)}60%{transform:scaleY(.94) scaleX(1.03)}}
@keyframes needle-in{from{transform:rotate(-80deg)}to{transform:rotate(38deg)}}
@keyframes needle-wobble{0%,100%{transform:rotate(38deg)}50%{transform:rotate(32deg)}}

/* Sub-page heroes fill the viewport */
.page-hero{height:100vh;height:100svh;min-height:0;display:flex;align-items:center;padding:var(--header-h) 0 0}
.page-hero .container{width:100%}
.page-hero.has-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(10,18,32,.96) 0%,rgba(10,18,32,.82) 45%,rgba(10,18,32,.45) 100%);pointer-events:none}
.page-hero.has-bg .container{z-index:1}
@media (max-width:900px){.page-hero.has-bg::after{background:linear-gradient(180deg,rgba(10,18,32,.9) 0%,rgba(10,18,32,.75) 100%)}}