/* =====================================================================
   B&T Properties — shared landing-page CSS (all deck variants A–E).
   Identity = btprecast.com: dark "tech", Space Grotesk + JetBrains Mono,
   navy #0C1B2E + orange #E75D1C. Variant-specific CSS goes in /<v>/v.css.
   Sections: 1 tokens · 2 base · 3 topbar · 4 buttons · 5 hero · 6 section
   · 7 before/after · 8 gallery+lightbox · 9 steps · 10 reviews · 11 faq
   · 12 area · 13 form · 14 footer · 15 mobile bar · 16 simple pages · 17 utils
   ===================================================================== */

/* 0 fonts — self-hosted (SIL OFL), latin subset, variable weight; same-origin = no extra connections */
@font-face{font-family:'Space Grotesk';font-style:normal;font-weight:300 700;font-display:swap;src:url(/assets/fonts/space-grotesk-latin.woff2) format('woff2')}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400 700;font-display:swap;src:url(/assets/fonts/jetbrains-mono-latin.woff2) format('woff2')}

/* 1 tokens */
:root{
  --void:#05060a;--panel:#0a0c12;--panel2:#0d1018;--navy:#0C1B2E;
  --ink:#e8eaf0;--dim:rgba(232,234,240,.78);--faint:rgba(232,234,240,.64);--hair:rgba(232,234,240,.14);
  --orange:#E75D1C;--orange-hi:#ff8a4a;--steel:#9db7d8;--err:#ff8080;
  --gut:clamp(16px,5vw,96px);--r:4px;--bar:64px;
  --sans:'Space Grotesk',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'JetBrains Mono',ui-monospace,Consolas,monospace;
}

/* 2 base */
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{background:var(--void);color:var(--ink);font:400 16px/1.6 var(--sans);-webkit-font-smoothing:antialiased;overflow-x:hidden;padding-bottom:calc(var(--bar) + env(safe-area-inset-bottom))}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
:focus-visible{outline:3px solid var(--orange-hi);outline-offset:3px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{transition:none!important;animation:none!important}}
@media (min-width:900px){body{padding-bottom:0}}

/* 3 topbar */
.top{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:12px;height:56px;padding:0 var(--gut);background:rgba(5,6,10,.92);border-bottom:1px solid var(--hair);backdrop-filter:blur(10px)}
.brand{font:700 13px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;text-decoration:none}
.brand i{font-style:normal;color:var(--orange-hi)}
.top__tel{font:700 15px/1 var(--mono);letter-spacing:.04em;text-decoration:none;white-space:nowrap;min-height:44px;display:inline-flex;align-items:center;padding:0 6px}
.top__tel:hover{color:var(--orange-hi)}

/* 4 buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:52px;padding:14px 24px;border-radius:var(--r);border:1px solid var(--orange);font:700 14px/1.2 var(--mono);letter-spacing:.1em;text-transform:uppercase;text-decoration:none;cursor:pointer;text-align:center}
.btn svg{width:20px;height:20px;flex:none}
.btn--call{background:var(--orange);color:var(--void);font-size:16px;min-height:60px}
.btn--call:hover{background:var(--orange-hi)}
.btn--ghost{background:rgba(5,6,10,.6);color:var(--ink);border-color:rgba(232,234,240,.45)}
.btn--ghost:hover{border-color:var(--ink)}
.btn--block{width:100%}

/* 5 hero */
.hero{position:relative;min-height:min(88svh,860px);display:flex;align-items:flex-end;overflow:hidden;background:var(--panel)}
.hero__img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(5,6,10,.97) 0%,rgba(5,6,10,.9) 45%,rgba(5,6,10,.62) 78%,rgba(5,6,10,.35) 100%),linear-gradient(24deg,rgba(231,93,28,.16),transparent 55%)}
.hero__in{position:relative;z-index:1;padding:clamp(28px,6vw,96px) var(--gut);max-width:980px}
.eyebrow{font:500 12px/1.5 var(--mono);letter-spacing:.2em;text-transform:uppercase;color:var(--faint);margin-bottom:14px}
.eyebrow b{color:var(--orange-hi);font-weight:700}
.hero h1{font-weight:700;font-size:clamp(34px,6.2vw,82px);line-height:1;letter-spacing:-.025em;text-transform:uppercase}
.hero h1 small{display:block;margin-top:12px;font:500 clamp(13px,1.3vw,16px)/1.4 var(--mono);letter-spacing:.16em;color:var(--dim)}
.hero h1 em{font-style:normal;color:var(--orange-hi)}
.hero__sub{margin-top:16px;max-width:54ch;font-size:clamp(16px,1.4vw,19px);color:var(--dim)}
.hero__cta{margin-top:24px;display:flex;flex-wrap:wrap;gap:12px}
.hero__cta .btn{flex:1 1 220px}
@media (min-width:600px){.hero__cta .btn{flex:0 0 auto}}
.chips{margin-top:20px;display:flex;flex-wrap:wrap;gap:8px;list-style:none}
.chips li{font:500 11px/1 var(--mono);letter-spacing:.14em;text-transform:uppercase;padding:9px 12px;border:1px solid var(--hair);border-radius:2px;background:rgba(13,16,24,.85);color:var(--dim)}

/* 6 section */

.sec{padding:clamp(56px,9vw,128px) var(--gut);border-bottom:1px solid var(--hair)}
.sec--alt{background:var(--panel)}
.sec h2{font-weight:600;font-size:clamp(28px,3.8vw,54px);line-height:1.05;letter-spacing:-.02em;text-transform:uppercase;max-width:22ch}
.sec h2 em{font-style:normal;color:var(--orange-hi)}
.lede{margin-top:14px;max-width:62ch;color:var(--dim);font-size:clamp(15px,1.1vw,17px)}
.sec__cta{margin-top:32px;display:flex;flex-wrap:wrap;gap:12px}

/* feature list */
.feat{margin-top:18px;max-width:70ch;list-style:none;display:grid;gap:8px;color:var(--dim)}
.feat b{color:var(--ink)}

/* 7 before/after slider (range input = keyboard + screen-reader accessible) */
.ba{position:relative;margin-top:32px;max-width:1100px;aspect-ratio:4/3;overflow:hidden;border:1px solid var(--hair);background:var(--panel2);--pos:50%}
.ba img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.ba__after{clip-path:inset(0 0 0 var(--pos))}
.ba__line{position:absolute;top:0;bottom:0;left:var(--pos);width:3px;margin-left:-1px;background:var(--orange);pointer-events:none;z-index:2}
.ba__line::after{content:"\2194";position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:46px;height:46px;border-radius:50%;background:var(--orange);color:var(--void);font:700 22px/46px system-ui;text-align:center}
.ba input{position:absolute;inset:0;width:100%;height:100%;opacity:0;cursor:ew-resize;z-index:3;margin:0}
.ba input:focus-visible~.ba__line{box-shadow:0 0 0 3px var(--ink)}
.ba__lab{position:absolute;top:12px;z-index:2;font:700 11px/1 var(--mono);letter-spacing:.2em;text-transform:uppercase;padding:8px 10px;background:rgba(5,6,10,.88)}
.ba__lab--b{left:12px}
.ba__lab--a{right:12px;color:var(--orange-hi)}

/* 8 gallery + lightbox (<dialog>) */
.gal{margin-top:32px;display:grid;grid-template-columns:repeat(2,1fr);gap:8px}
@media (min-width:900px){.gal{grid-template-columns:repeat(3,1fr);gap:12px}}
.gal a{display:block;aspect-ratio:4/3;overflow:hidden;background:var(--panel2);border:1px solid var(--hair)}
.gal img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.gal a:hover img{transform:scale(1.04)}
.lb{border:0;padding:0;background:transparent;max-width:96vw;max-height:94svh;margin:auto;color:var(--ink)}
.lb::backdrop{background:rgba(5,6,10,.95)}
.lb img{max-width:96vw;max-height:82svh;width:auto;height:auto;object-fit:contain;margin:0 auto}
.lb__bar{display:flex;justify-content:center;gap:8px;margin-top:10px}
.lb button{min-width:56px;min-height:48px;background:var(--panel2);color:var(--ink);border:1px solid var(--hair);border-radius:var(--r);font:700 16px var(--mono);cursor:pointer}

/* 9 steps */
.steps{margin-top:32px;display:grid;gap:12px;list-style:none;counter-reset:s}
@media (min-width:900px){.steps{grid-template-columns:repeat(3,1fr)}}
.steps li{counter-increment:s;border:1px solid var(--hair);background:var(--panel2);padding:26px 22px}
.steps li::before{content:"0" counter(s);display:block;font:700 13px var(--mono);letter-spacing:.2em;color:var(--orange-hi);margin-bottom:12px}
.steps h3{font-size:20px;text-transform:uppercase;letter-spacing:-.01em;margin-bottom:8px}
.steps p{color:var(--dim)}

/* 10 reviews */
.reviews{margin-top:32px;display:grid;gap:12px}
@media (min-width:700px){.reviews{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1100px){.reviews{grid-template-columns:repeat(3,1fr)}}
.review{border:1px solid var(--hair);background:var(--panel2);padding:24px;display:flex;flex-direction:column;gap:14px}
.review__stars{color:var(--orange-hi);letter-spacing:3px}
.review blockquote{color:var(--dim);flex:1}
.review figcaption{border-top:1px solid var(--hair);padding-top:12px;font-weight:600}
.review figcaption span{display:block;font:400 11px/1.6 var(--mono);letter-spacing:.14em;text-transform:uppercase;color:var(--faint)}

/* 11 faq */
.faq{margin-top:28px;max-width:880px}
.faq details{border-top:1px solid var(--hair)}
.faq details:last-child{border-bottom:1px solid var(--hair)}
.faq summary{cursor:pointer;list-style:none;padding:20px 44px 20px 0;position:relative;font-weight:600;font-size:18px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";position:absolute;right:6px;top:15px;font:400 26px var(--mono);color:var(--orange-hi)}
.faq details[open] summary::after{content:"\2212"}
.faq details p{padding:0 0 20px;color:var(--dim);max-width:70ch}

/* 12 area */
.towns{margin-top:24px;display:flex;flex-wrap:wrap;gap:8px;list-style:none}
.towns li{padding:10px 14px;border:1px solid var(--hair);background:var(--panel2);font-weight:500}

/* 13 form */
.quote{display:grid;gap:36px}
@media (min-width:1000px){.quote{grid-template-columns:1fr 1.2fr;align-items:start}}
.quote__call{margin-top:24px;display:flex;flex-direction:column;gap:12px;max-width:380px}
.form{display:grid;grid-template-columns:1fr;gap:16px;background:var(--panel2);border:1px solid var(--hair);padding:clamp(18px,3vw,36px)}
@media (min-width:600px){.form{grid-template-columns:1fr 1fr}.form .full{grid-column:1/-1}}
.form__title{font-size:20px;text-transform:uppercase;letter-spacing:-.01em}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font:500 12px/1.3 var(--mono);letter-spacing:.12em;text-transform:uppercase}
.field label span{color:var(--orange-hi)}
.field input,.field select,.field textarea{width:100%;min-height:50px;padding:12px 14px;font:400 16px/1.4 var(--sans);color:var(--ink);background:var(--void);border:1px solid rgba(232,234,240,.4);border-radius:var(--r)}
.field textarea{min-height:110px;resize:vertical}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--ink) 50%),linear-gradient(-45deg,transparent 50%,var(--ink) 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px;background-repeat:no-repeat;padding-right:40px}
.field select option{background:var(--void);color:var(--ink)}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--orange-hi);outline:2px solid var(--orange-hi);outline-offset:0}
.field input:user-invalid,.field select:user-invalid{border-color:var(--err)}
/* optional fields tucked away: name, phone and email are visible (phone or email required) */
.form__more{border:1px solid var(--hair);border-radius:var(--r);padding:0 14px}
.form__more summary{cursor:pointer;min-height:48px;display:flex;align-items:center;font:500 13px/1.3 var(--mono);letter-spacing:.1em;text-transform:uppercase;color:var(--dim)}
.form__more summary:hover{color:var(--ink)}
.form__more-in{display:grid;gap:16px;padding:4px 0 16px}
@media (min-width:600px){.form__more-in{grid-template-columns:1fr 1fr}.form__more-in .full{grid-column:1/-1}}
.hp{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}
.form__note{font-size:13px;color:var(--faint)}
.form__msg{font-weight:600;color:var(--err)}
.form__msg:empty{display:none}

/* price range (approved by owner, R8) — short block right before the form */
.price-range{margin-top:24px;padding:16px 18px;border-left:3px solid var(--orange);background:var(--panel2);max-width:520px}
.price-range p{margin:0;color:var(--ink);font-weight:500}
.price-range .price-range__note{margin-top:6px;font-size:14px;font-weight:400;color:var(--dim)}

/* 14 footer */
.foot{padding:36px var(--gut);display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font:400 12px/1.8 var(--mono);letter-spacing:.06em;color:var(--faint)}
.foot a{color:var(--ink)}

/* 15 mobile action bar */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:60;display:grid;grid-template-columns:1.3fr 1fr 1fr;height:calc(var(--bar) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background:var(--void);border-top:1px solid var(--hair)}
.mbar a{display:flex;align-items:center;justify-content:center;gap:8px;font:700 13px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;text-decoration:none;color:var(--ink);border-left:1px solid var(--hair)}
.mbar a:first-child{background:var(--orange);color:var(--void);border:0}
.mbar svg{width:20px;height:20px;flex:none}
@media (min-width:900px){.mbar{display:none}}

/* 16 simple pages (privacy, obrigado) */
.page{max-width:780px;margin:0 auto;padding:clamp(40px,8vw,100px) var(--gut)}
.page h1{font-size:clamp(30px,5vw,54px);line-height:1.05;text-transform:uppercase;letter-spacing:-.02em;margin-bottom:18px}
.page h2{font-size:19px;margin:28px 0 8px;text-transform:uppercase}
.page p,.page li{color:var(--dim);margin-bottom:10px}
.page ul{padding-left:20px}
.page .btn{margin-top:16px}
.page__back{margin-top:24px}

/* 17 utils */
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-999px;top:8px;z-index:100;background:var(--orange);color:var(--void);padding:10px 14px;font-weight:700}
.skip:focus{left:8px}
.mono{font-family:var(--mono)}
.ph{background:repeating-linear-gradient(45deg,#1a1d26 0 12px,#20242f 12px 24px)}
.cookie{position:fixed;left:0;right:0;bottom:0;z-index:70;display:flex;flex-wrap:wrap;align-items:center;gap:10px 16px;padding:14px var(--gut);background:rgba(5,6,10,.96);border-top:1px solid var(--hair);backdrop-filter:blur(10px)}.cookie[hidden]{display:none}.cookie p{flex:1 1 240px;margin:0;font-size:13px;color:var(--dim)}.cookie p a{color:var(--orange-hi);text-decoration:underline}.cookie__btns{display:flex;gap:8px;flex:0 0 auto}.cookie button{min-height:40px;padding:8px 18px;border-radius:var(--r);border:1px solid var(--orange);font:700 12px/1 var(--mono);letter-spacing:.08em;text-transform:uppercase;cursor:pointer;background:transparent;color:var(--ink)}.cookie button.acc{background:var(--orange);color:var(--void);border-color:var(--orange)}@media (max-width:899px){.cookie{bottom:calc(var(--bar) + env(safe-area-inset-bottom))}}.cmp-wrap{margin-top:24px;max-width:900px;overflow-x:auto;-webkit-overflow-scrolling:touch}.cmp{width:100%;min-width:520px;border-collapse:collapse;font-size:14px}.cmp th,.cmp td{border:1px solid var(--hair);padding:12px 14px;text-align:left;vertical-align:top}.cmp thead th{background:var(--panel2);color:var(--orange-hi);font:700 11px/1.3 var(--mono);letter-spacing:.08em;text-transform:uppercase}.cmp tbody th{color:var(--ink);font-weight:700;white-space:nowrap}.cmp td{color:var(--dim)}.qz__step[hidden]{display:none}.qz__q{font-weight:600;font-size:18px;margin-bottom:4px}.qz__opts{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}.qz__result[hidden]{display:none}