:root{
  --concrete:#cfccc6; --concrete-2:#bcb8b1; --asphalt:#1a1a1a; --asphalt-2:#2a2a2a; --orange:#ff5a1f; --white:#f4f3f0; --muted:#3a3834; --steel:#55595e;
  --ease-out:cubic-bezier(0.23,1,0.32,1); --ease-in-out:cubic-bezier(0.77,0,0.175,1);
  --display:"Big Shoulders Display",Impact,sans-serif; --body:"Public Sans",system-ui,sans-serif;
  --top:64px;
  --grain:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 .22 0'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;font:400 1.0625rem/1.6 var(--body);color:var(--asphalt);background:var(--concrete) var(--grain);overflow-x:hidden}
h1,h2,h3{font-family:var(--display);margin:0;line-height:.92;text-transform:uppercase;font-weight:800;letter-spacing:.005em}
h2{font-size:clamp(2.6rem,1.8rem + 3.4vw,5rem)}
h3{font-size:1.8rem}
p{margin:0}
a{color:inherit}
.vh{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
:focus-visible{outline:3px solid var(--orange);outline-offset:3px}
.skip{position:absolute;left:12px;top:-60px;z-index:100;background:var(--orange);color:var(--asphalt);padding:10px 14px;font-weight:700;transition:transform 200ms var(--ease-out)}
.skip:focus{transform:translateY(72px)}
.wrap{max-width:1280px;margin:0 auto;padding:0 32px}

.btn{display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 24px;border:3px solid var(--asphalt);font:800 1.2rem/1 var(--display);text-transform:uppercase;letter-spacing:.03em;text-decoration:none;cursor:pointer;transition:transform 160ms var(--ease-out),background-color 160ms var(--ease-out),color 160ms var(--ease-out)}
.btn:active{transform:scale(.97)}
.btn--lg{min-height:60px;padding:0 30px;font-size:1.4rem}
.btn--orange{background:var(--orange);color:var(--asphalt)}
.btn--line{background:transparent;color:var(--asphalt)}
@media (hover:hover) and (pointer:fine){
  .btn--orange:hover{background:var(--asphalt);color:var(--orange)}
  .btn--line:hover{background:var(--asphalt);color:var(--white)}
  .nav a:hover{background:var(--asphalt);color:var(--white)}
  .swatches button:hover{border-color:var(--asphalt)}
  .ptable tbody tr:not(.hot):hover{background:rgba(26,26,26,.06)}
}

/* storm bar + header */
.storm{background:var(--orange);color:var(--asphalt);display:flex;justify-content:center;align-items:center;gap:18px;padding:10px 16px;font-size:.98rem;border-bottom:3px solid var(--asphalt);flex-wrap:wrap;text-align:center}
.storm a{font-weight:800;text-underline-offset:3px}
.top{position:sticky;top:0;z-index:50;background:var(--concrete) var(--grain);border-bottom:3px solid var(--asphalt)}
.top__in{max-width:1440px;margin:0 auto;padding:0 32px;height:var(--top);display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;margin-right:auto;font:900 2rem/1 var(--display);text-transform:uppercase;letter-spacing:.01em}
.brand svg{width:44px;height:30px;color:var(--asphalt)}
.nav{display:flex}
.nav a{text-decoration:none;font:700 1.15rem/1 var(--display);text-transform:uppercase;letter-spacing:.04em;padding:10px 12px;transition:background-color 140ms var(--ease-out),color 140ms var(--ease-out)}
.burger{display:none}

/* the build: sticky three.js stage + scrolling layer panels */
.build{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);border-bottom:3px solid var(--asphalt)}
.panel--hero{grid-column:1;grid-row:1}
.panels{grid-column:1;grid-row:2;list-style:none;margin:0;padding:0}
.stage{grid-column:2;grid-row:1/3;position:sticky;top:var(--top);height:calc(100vh - var(--top));border-left:3px solid var(--asphalt);overflow:hidden;background:linear-gradient(180deg,rgba(255,255,255,.18),transparent 60%)}
#roof{display:block;width:100%;height:100%}
.panel{min-height:calc(100vh - var(--top));padding:72px 48px 72px max(32px,calc((100vw - 1440px)/2 + 32px));display:flex;flex-direction:column;justify-content:center;gap:18px;border-top:3px solid var(--asphalt)}
.panel--hero{border-top:0;min-height:calc(100vh - var(--top) - 46px);justify-content:center}
.panel h1{font-size:clamp(3rem,1.4rem + 4.2vw,5.6rem);font-weight:900;line-height:.88}
.lead{font-size:1.15rem;max-width:34em;color:var(--muted)}
.ctas{display:flex;flex-wrap:wrap;gap:12px;margin-top:8px}
.hero-proof{list-style:none;padding:0;margin:18px 0 0;display:grid;grid-template-columns:repeat(3,auto);justify-content:start;gap:0;border:3px solid var(--asphalt)}
.hero-proof li{padding:12px 18px;font-size:.88rem;line-height:1.3;color:var(--muted)}
.hero-proof li+li{border-left:3px solid var(--asphalt)}
.hero-proof b{display:block;font:900 2rem/1 var(--display);color:var(--asphalt)}
.scrollcue{font-weight:600;font-size:.92rem;display:flex;align-items:center;gap:10px;margin-top:6px}
.scrollcue::before{content:"";width:3px;height:28px;background:var(--orange);animation:cue 1.8s var(--ease-in-out) infinite;transform-origin:top}
@keyframes cue{0%{transform:scaleY(0)}50%{transform:scaleY(1);transform-origin:top}51%{transform-origin:bottom}100%{transform:scaleY(0);transform-origin:bottom}}
.panels .panel h2{max-width:11ch;transition:opacity 300ms var(--ease-out)}
.panels .panel p{max-width:30em;font-size:1.1rem;color:var(--muted);transition:opacity 300ms var(--ease-out)}
.panels .panel:not(.is-active) h2,.panels .panel:not(.is-active) p{opacity:.35}
.panel__n{align-self:flex-start;background:var(--asphalt);color:var(--white);font:800 1.1rem/1 var(--display);padding:7px 10px 6px;text-transform:uppercase;letter-spacing:.04em}
.panel.is-active .panel__n{background:var(--orange);color:var(--asphalt)}

.meter{position:absolute;left:24px;top:24px;display:flex;align-items:center;gap:12px;font:800 1.1rem/1 var(--display);text-transform:uppercase;background:var(--asphalt);color:var(--white);padding:10px 14px}
.meter b{font-size:1.6rem;color:var(--orange);min-width:2.4em}
.meter i{width:120px;height:6px;background:#444;display:block}
.meter em{display:block;height:100%;background:var(--orange);transform-origin:left;transform:scaleX(0)}
.swatches{position:absolute;right:24px;top:24px;display:flex;gap:6px}
.swatches button{display:flex;align-items:center;gap:8px;border:3px solid transparent;background:var(--white);padding:7px 10px;font:700 .9rem/1 var(--body);cursor:pointer;transition:border-color 160ms var(--ease-out),transform 160ms var(--ease-out)}
.swatches button::before{content:"";width:16px;height:16px;background:var(--c)}
.swatches button:active{transform:scale(.97)}
.swatches button[aria-pressed="true"]{border-color:var(--orange)}

/* assurances */
.assure{background:var(--asphalt);color:var(--white)}
.assure ul{list-style:none;margin:0 auto;padding:0;max-width:1440px;display:grid;grid-template-columns:repeat(4,1fr)}
.assure li{padding:40px 32px;display:grid;gap:8px;border-left:3px solid #3a3a3a}
.assure li:first-child{border-left:0}
.assure b{font:900 3.2rem/.9 var(--display);text-transform:uppercase;color:var(--orange)}
.assure span{color:#d8d5cf}

/* prices */
.prices{padding:110px 0}
.intro{max-width:40em;color:var(--muted);margin:22px 0 44px;font-size:1.1rem}
.ptable{width:100%;border-collapse:collapse;border-top:6px solid var(--asphalt)}
.ptable thead th{text-align:left;font:700 .85rem/1 var(--body);text-transform:none;padding:14px 16px;border-bottom:3px solid var(--asphalt)}
.ptable th[scope=row]{font:800 1.75rem/1 var(--display);text-transform:uppercase;text-align:left;padding:22px 16px;width:32%}
.ptable td{padding:22px 16px;color:var(--muted);vertical-align:middle}
.ptable td:last-child{font:900 2.4rem/1 var(--display);color:var(--asphalt);text-align:right;white-space:nowrap}
.ptable thead th:last-child{text-align:right}
.ptable tbody tr{border-bottom:1.5px solid var(--asphalt);transition:background-color 160ms var(--ease-out)}
.ptable tr.hot{background:var(--orange)}
.ptable tr.hot td{color:var(--asphalt)}

/* finance */
.finance{background:var(--concrete-2) var(--grain);padding:110px 0;border-top:3px solid var(--asphalt);border-bottom:3px solid var(--asphalt)}
.finance__in{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center}
.finance p{margin-top:20px;max-width:32em;font-size:1.1rem;color:var(--muted)}
.finance .fine{font-size:.88rem}
.calc{background:var(--white);border:3px solid var(--asphalt);border-top:14px solid var(--orange);padding:32px;display:grid;gap:14px}
.calc__row{display:flex;justify-content:space-between;align-items:baseline;gap:12px}
.calc label{font-weight:700}
.calc output{font:900 2.4rem/1 var(--display)}
.calc input[type=range]{width:100%;accent-color:var(--orange);height:32px}
.terms{border:0;padding:0;margin:0;display:flex;gap:0}
.terms legend{font-weight:700;margin-bottom:8px;padding:0}
.terms label{flex:1;cursor:pointer}
.terms input{position:absolute;opacity:0}
.terms span{display:block;text-align:center;padding:12px;border:3px solid var(--asphalt);font:800 1.2rem/1 var(--display);text-transform:uppercase;transition:background-color 160ms var(--ease-out),color 160ms var(--ease-out)}
.terms label+label span{border-left:0}
.terms input:checked+span{background:var(--asphalt);color:var(--white)}
.terms input:focus-visible+span{outline:3px solid var(--orange);outline-offset:2px}
.calc__res{display:flex;align-items:baseline;gap:10px;padding:14px 0;border-top:3px solid var(--asphalt);margin-top:6px}
.calc__res b{font:900 4.2rem/1 var(--display)}

/* proof */
.proof{padding:110px 0}
.proof__head{display:flex;justify-content:space-between;align-items:end;gap:24px;margin-bottom:44px}
.proof__head h2{max-width:14ch}
.sample{font-size:.88rem;color:var(--muted)}
.rev{display:grid;grid-template-columns:repeat(3,1fr);border:3px solid var(--asphalt);background:var(--white)}
.rev figure{margin:0;padding:32px;display:flex;flex-direction:column;justify-content:space-between;gap:24px}
.rev figure+figure{border-left:3px solid var(--asphalt)}
.rev blockquote{margin:0;font-size:1.1rem}
.rev figcaption{display:grid}
.rev figcaption b{font:800 1.5rem/1 var(--display);text-transform:uppercase}
.rev figcaption span{font-size:.9rem;color:var(--muted);margin-top:4px}
.area{display:grid;grid-template-columns:220px 1fr;gap:24px;align-items:start;margin-top:56px}
.area ul{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.area li{border:3px solid var(--asphalt);padding:6px 12px;font:800 1.2rem/1 var(--display);text-transform:uppercase}

/* inspect */
.inspect{background:var(--asphalt);color:var(--white);padding:110px 0}
.inspect__in{display:grid;grid-template-columns:1fr 1.1fr;gap:64px;align-items:start}
.next{list-style:none;padding:0;margin:36px 0 0;counter-reset:n;display:grid;gap:22px}
.next li{counter-increment:n;padding-left:64px;position:relative;color:#d8d5cf;font-size:1.05rem}
.next li::before{content:counter(n);position:absolute;left:0;top:-4px;width:44px;height:44px;display:grid;place-items:center;background:var(--orange);color:var(--asphalt);font:900 1.6rem/1 var(--display)}
.next b{color:var(--white);display:block}
.form{position:relative;background:var(--white);color:var(--asphalt);border-top:14px solid var(--orange);padding:32px}
.form__fields{display:grid;grid-template-columns:1fr 1fr;gap:18px;transition:opacity 220ms var(--ease-out),transform 220ms var(--ease-out)}
.f{display:grid;gap:6px}
.f--w{grid-column:1/-1}
.f label{font-weight:700}
.f input,.f select{font:inherit;width:100%;min-height:50px;padding:0 14px;border:3px solid var(--asphalt);border-radius:0;background:#fff;color:var(--asphalt);transition:box-shadow 160ms var(--ease-out)}
.f input:focus,.f select:focus{outline:none;box-shadow:0 0 0 3px var(--orange)}
.f [aria-invalid="true"]{border-color:#b3261e;background:#fff3f1}
.form__err{color:#b3261e;font-weight:700;min-height:1.4em}
.form__ok{position:absolute;inset:0;padding:40px 32px;display:flex;flex-direction:column;justify-content:center;gap:16px;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity 300ms var(--ease-out),transform 300ms var(--ease-out),visibility 0s 300ms}
.form__okT{font:900 2.6rem/.95 var(--display);text-transform:uppercase}
.form__ok p:last-child{color:var(--muted)}
.form__ok a{font-weight:700}
.form.is-done .form__fields{opacity:0;transform:scale(.98);pointer-events:none}
.form.is-done .form__ok{opacity:1;visibility:visible;transform:none;transition-delay:120ms,120ms,0s}

/* faq */
.faq{padding:110px 0}
.faq__in{display:grid;grid-template-columns:1fr 1.7fr;gap:64px}
.faq details{border-bottom:3px solid var(--asphalt)}
.faq details:first-child{border-top:6px solid var(--asphalt)}
.faq summary{list-style:none;cursor:pointer;padding:22px 52px 22px 0;font:800 1.6rem/1.05 var(--display);text-transform:uppercase;position:relative}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:0;top:50%;transform:translateY(-50%);width:36px;height:36px;display:grid;place-items:center;background:var(--asphalt);color:var(--white);font:900 1.6rem/1 var(--display);transition:background-color 160ms var(--ease-out)}
.faq details[open] summary::after{content:"–";background:var(--orange);color:var(--asphalt)}
.faq details p{padding:0 0 24px;color:var(--muted);max-width:44em}

.foot{background:var(--asphalt);color:#d8d5cf;padding:48px 0 120px;border-top:6px solid var(--orange)}
.foot__in{display:flex;justify-content:space-between;gap:24px;flex-wrap:wrap}
.foot__brand{font:900 2.4rem/1 var(--display);text-transform:uppercase;color:var(--white)}
.mbar{display:none}

@media (max-width:1100px){
  .assure ul{grid-template-columns:1fr 1fr}
  .assure li:nth-child(3){border-left:0}
  .assure li:nth-child(n+3){border-top:3px solid #3a3a3a}
  .hero-proof{grid-template-columns:repeat(3,1fr)}
}
@media (max-width:900px){
  :root{--top:58px}
  .burger{display:grid;place-content:center;gap:6px;width:46px;height:46px;border:3px solid var(--asphalt);background:none;cursor:pointer}
  .burger span{width:20px;height:3px;background:var(--asphalt);transition:transform 220ms var(--ease-out)}
  .burger[aria-expanded="true"] span:first-child{transform:translateY(4.5px) rotate(45deg)}
  .burger[aria-expanded="true"] span:last-child{transform:translateY(-4.5px) rotate(-45deg)}
  .top__cta{display:none}
  .brand{font-size:1.7rem}
  .nav{position:fixed;left:0;right:0;top:var(--top);flex-direction:column;background:var(--concrete);border-bottom:3px solid var(--asphalt);padding:8px 16px 20px;opacity:0;visibility:hidden;transform:translateY(-8px);transition:opacity 200ms var(--ease-out),transform 200ms var(--ease-out),visibility 0s 200ms}
  .nav.is-open{opacity:1;visibility:visible;transform:none;transition-delay:0s}
  .nav a{font-size:1.6rem;padding:14px 0;border-bottom:1.5px solid var(--asphalt)}
  .build{display:flex;flex-direction:column}
  .stage{position:sticky;top:var(--top);height:46svh;min-height:300px;border-left:0;border-top:3px solid var(--asphalt);border-bottom:3px solid var(--asphalt);z-index:5;background:var(--concrete) var(--grain)}
  .panel{min-height:72svh;padding:48px 20px;justify-content:flex-start}
  .panel--hero{min-height:0;padding-top:36px;padding-bottom:40px}
  .panels .panel:first-child{border-top:0}
  .scrollcue{display:none}
  .meter{left:12px;top:auto;bottom:12px;padding:8px 10px;font-size:.95rem}
  .meter i{width:60px}
  .meter b{font-size:1.25rem}
  .swatches{right:10px;top:10px;bottom:auto}
  .swatches button{padding:5px 7px;font-size:.75rem;gap:5px}
  .swatches button::before{width:12px;height:12px}
  .finance__in,.inspect__in,.faq__in{grid-template-columns:1fr;gap:36px}
  .proof__head{flex-direction:column;align-items:start}
  .rev{grid-template-columns:1fr}
  .rev figure+figure{border-left:0;border-top:3px solid var(--asphalt)}
  .area{grid-template-columns:1fr;gap:14px}
  .mbar{display:grid;grid-template-columns:1fr 1.3fr;gap:8px;position:fixed;left:0;right:0;bottom:0;z-index:60;padding:10px 12px calc(10px + env(safe-area-inset-bottom));background:var(--concrete);border-top:3px solid var(--asphalt)}
  .mbar .btn{min-height:52px}
}
@media (max-width:600px){
  .wrap,.top__in{padding:0 16px}
  .storm{gap:4px 12px;font-size:.9rem;padding:8px 12px}
  .panel h1{font-size:3rem}
  .lead{font-size:1.05rem}
  .ctas .btn{width:100%}
  .hero-proof li{padding:10px;font-size:.78rem}
  .hero-proof b{font-size:1.5rem}
  .assure ul{grid-template-columns:1fr}
  .assure li{border-left:0!important;border-top:3px solid #3a3a3a;padding:28px 20px}
  .assure li:first-child{border-top:0}
  .prices,.finance,.proof,.inspect,.faq{padding:72px 0}
  .ptable thead{display:none}
  .ptable,.ptable tbody,.ptable tr,.ptable th,.ptable td{display:block;width:auto}
  .ptable tr{padding:18px 0;display:grid!important;grid-template-columns:1fr auto;gap:6px 12px}
  .ptable tr.hot{padding:18px 12px;margin:0 -12px}
  .ptable th[scope=row]{padding:0;font-size:1.5rem;width:auto}
  .ptable td{padding:0}
  .ptable td:not(:last-child){grid-column:1/-1;grid-row:2}
  .ptable td:last-child{grid-column:2;grid-row:1;font-size:1.8rem}
  .calc,.form{padding:22px}
  .calc__res b{font-size:3.4rem}
  .form__fields{grid-template-columns:1fr}
  .form{min-height:470px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation:none!important;transition-duration:.01ms!important}
}
@media (min-width:641px) and (max-width:900px){.mbar{left:auto;width:min(440px,62%);border-left:3px solid var(--asphalt)}}