/* Strato Cleaning Drones - site styles */

/* Self-hosted fonts (Barlow, Barlow Semi Condensed - SIL Open Font License) */
@font-face{font-family:'Barlow';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/barlow-400.woff2') format('woff2')}
@font-face{font-family:'Barlow';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/barlow-500.woff2') format('woff2')}
@font-face{font-family:'Barlow';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/barlow-600.woff2') format('woff2')}
@font-face{font-family:'Barlow Semi Condensed';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/barlow-semi-condensed-500.woff2') format('woff2')}
@font-face{font-family:'Barlow Semi Condensed';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/barlow-semi-condensed-600.woff2') format('woff2')}
@font-face{font-family:'Barlow Semi Condensed';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/barlow-semi-condensed-700.woff2') format('woff2')}

:root{
  --bg:#FFFFFF;
  --surface:#F4F5F7;
  --soft:#EBEDF0;
  --line:#D9DCE1;
  --text:#16181C;
  --muted:#5A606B;
  --blue:#16181C;
  --blue-deep:#0E0F12;
  --band:#1B1E23;
  --band-grad:repeating-linear-gradient(90deg,rgba(255,255,255,.018) 0 1px,transparent 1px 4px),linear-gradient(135deg,#30343B 0%,#1D2025 48%,#131417 100%);
  --on-band:#FFFFFF;
  --on-band-muted:#B4B9C1;
  --btn:#D7141A;
  --btn-text:#FFFFFF;
  --btn-hover:#B30F14;
  --gold:#E3262C;
  --gold-hover:#C41B20;
  --chrome:#C5CAD1;
  --rivet:#9AA0A8;
  --accent:#D7141A;
  --accent-text:#B30F14;
  --mist:#9FB3C6;
  --grime:#BDB3A0;
  --glass:#DDE5EC;
  --facade:#ECEEF1;
  --ph:#9A6700;
  --ph-band:#FFC861;
  --display:"Barlow Semi Condensed","Arial Narrow","Helvetica Neue",Arial,sans-serif;
  --body:"Barlow","Helvetica Neue",Arial,sans-serif;
  --max:1180px;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#0F1013;--surface:#15171B;--soft:#1C1F24;--line:#2C3037;--text:#EDEFF2;--muted:#A2A8B2;--blue:#EDEFF2;--blue-deep:#FFFFFF;--band:#1C1F24;--band-grad:repeating-linear-gradient(90deg,rgba(255,255,255,.02) 0 1px,transparent 1px 4px),linear-gradient(135deg,#2B2F36 0%,#1C1F24 50%,#16181C 100%);--on-band:#FFFFFF;--on-band-muted:#AEB3BB;--btn:#E3262C;--btn-text:#FFFFFF;--btn-hover:#F04A4F;--gold:#E3262C;--gold-hover:#F04A4F;--chrome:#C5CAD1;--rivet:#8A9099;--accent:#F0484D;--accent-text:#F36B6F;--mist:#5E6E80;--grime:#6B6457;--glass:#3E4A58;--facade:#22262C;--ph:#FFC861;--ph-band:#FFC861;
  }
}
:root[data-theme="dark"]{
  --bg:#0F1013;--surface:#15171B;--soft:#1C1F24;--line:#2C3037;--text:#EDEFF2;--muted:#A2A8B2;--blue:#EDEFF2;--blue-deep:#FFFFFF;--band:#1C1F24;--band-grad:repeating-linear-gradient(90deg,rgba(255,255,255,.02) 0 1px,transparent 1px 4px),linear-gradient(135deg,#2B2F36 0%,#1C1F24 50%,#16181C 100%);--on-band:#FFFFFF;--on-band-muted:#AEB3BB;--btn:#E3262C;--btn-text:#FFFFFF;--btn-hover:#F04A4F;--gold:#E3262C;--gold-hover:#F04A4F;--chrome:#C5CAD1;--rivet:#8A9099;--accent:#F0484D;--accent-text:#F36B6F;--mist:#5E6E80;--grime:#6B6457;--glass:#3E4A58;--facade:#22262C;--ph:#FFC861;--ph-band:#FFC861;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
@media (prefers-reduced-motion: reduce){html{scroll-behavior:auto}}
::selection{background:#F6C9CB;color:#16181C}
body{margin:0;background:var(--bg);color:var(--text);font-family:var(--body);font-size:1.0625rem;line-height:1.6;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img,svg{max-width:100%}
a{color:var(--blue)}
h1,h2,h3{font-family:var(--display);line-height:1.08;margin:0;letter-spacing:-.005em;color:var(--text)}
h1{font-size:clamp(2.5rem,5vw,4.1rem);font-weight:700}
h2{font-size:clamp(2rem,3.6vw,2.9rem);font-weight:700}
h3{font-size:1.35rem;font-weight:600;line-height:1.2}
p{margin:0 0 1rem}
.wrap{max-width:var(--max);margin:0 auto;padding:0 24px}
.sec{padding:96px 0}
.sec-head{max-width:720px;margin-bottom:48px}
.sec-head p{color:var(--muted);font-size:1.2rem;margin-top:14px;margin-bottom:0}
.center{text-align:center;margin-left:auto;margin-right:auto}
.ph{color:var(--ph);border-bottom:1px dashed currentColor;font-style:normal}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:4px}

/* Buttons */
.btn{white-space:nowrap;display:inline-flex;align-items:center;justify-content:center;min-height:50px;padding:0 26px;border-radius:6px;font-family:var(--display);font-weight:600;font-size:1.12rem;text-decoration:none;border:2px solid var(--btn);background:var(--btn);color:var(--btn-text);cursor:pointer;transition:background .15s,border-color .15s,color .15s}
.btn:hover{background:var(--btn-hover);border-color:var(--btn-hover)}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--text)}
.btn.ghost:hover{background:var(--soft);border-color:var(--text)}
.on-band .btn{background:var(--gold);border-color:var(--gold);color:#FFFFFF}
.on-band .btn:hover{background:var(--gold-hover);border-color:var(--gold-hover)}
.on-band .btn.ghost{background:transparent;color:#FFFFFF;border-color:rgba(197,202,209,.55)}
.on-band .btn.ghost:hover{background:rgba(255,255,255,.1)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.micro{font-size:.92rem;color:var(--muted);margin-top:12px}
.textlink{font-family:var(--display);font-weight:600;font-size:1.1rem;text-decoration:underline;text-underline-offset:4px}

/* Header */
.site-head{position:sticky;top:0;z-index:50;background:var(--bg);border-bottom:1px solid transparent;transition:border-color .2s}
.site-head.scrolled{border-bottom-color:var(--line)}
.head-in{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:var(--text);font-family:var(--display);font-weight:700;font-size:1.25rem;white-space:nowrap}
.brand svg{flex:none}
.nav{display:flex;gap:22px;margin-left:auto}
.nav a{color:var(--text);text-decoration:none;font-weight:500;font-size:.98rem;white-space:nowrap}
.nav a:hover{color:var(--blue);text-decoration:underline;text-underline-offset:4px}
.head-cta{display:flex;align-items:center;gap:14px}
.head-note{font-size:.92rem;color:var(--muted);opacity:0;transition:opacity .2s;white-space:nowrap}
.site-head.scrolled .head-note{opacity:1}
.head-cta .btn{min-height:44px;padding:0 18px;font-size:1.02rem}
@media (max-width:1080px){.head-note{display:none}}
@media (max-width:1040px){.nav{display:none}.head-cta{margin-left:auto}}
@media (max-width:480px){.head-cta .btn{display:none}.brand{font-size:1.1rem}}

/* Hero */
.hero{padding:56px 0 0}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.hero h1{max-width:13ch}
@media (max-width:480px){.hero h1{font-size:2.3rem}}
.hero .sub{font-size:1.28rem;color:var(--text);margin:22px 0 14px;max-width:34em;font-weight:500}
.hero .body{color:var(--muted);max-width:36em;margin-bottom:28px}
.scene{background:var(--soft);border-radius:14px;padding:18px 18px 10px}
.scene svg{display:block;width:100%;height:auto}
.scene figcaption{font-size:.82rem;color:var(--muted);padding:6px 4px 4px}
.sv-scale{stroke:var(--muted);stroke-width:1.5}
.sv-tick{stroke:var(--muted);stroke-width:1}
.sv-lab{fill:var(--muted);font:500 13px var(--body)}
.sv-lab-strong{fill:var(--accent-text);font:700 15px var(--display)}
.sv-facade{fill:var(--facade);stroke:var(--line);stroke-width:1.5}
.sv-dirty{fill:var(--grime)}
.sv-clean{fill:var(--glass)}
.sv-door{fill:var(--blue);opacity:.55}
.sv-stop{stroke:var(--muted);stroke-width:1.2;stroke-dasharray:5 5}
.sv-reach{stroke:var(--gold);stroke-width:1.6;stroke-dasharray:6 4}
.sv-ink{fill:var(--blue)}
.sv-line{stroke:var(--blue);stroke-width:3;fill:none;stroke-linecap:round}
.sv-hose{stroke:var(--blue);stroke-width:2;fill:none;opacity:.7}
.sv-spray{fill:var(--mist);opacity:.55}
.sv-ground{stroke:var(--muted);stroke-width:2}
.drone-bob{animation:bob 3.2s ease-in-out infinite}
@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-4px)}}
@media (prefers-reduced-motion: reduce){.drone-bob{animation:none}}

.trust{background:var(--band);color:var(--on-band);margin-top:56px}
.trust ul{list-style:none;margin:0 auto;padding:22px 24px;max-width:var(--max);display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.trust li{display:flex;align-items:center;gap:12px;font-family:var(--display);font-weight:600;font-size:1.12rem;line-height:1.2}
.trust svg{flex:none;stroke:var(--gold)}
.trust{border-top:1px solid rgba(197,202,209,.22)}
@media (max-width:900px){.hero-grid{grid-template-columns:1fr}.trust ul{grid-template-columns:1fr 1fr}}
@media (max-width:480px){.trust ul{grid-template-columns:1fr}}

/* Problem */
.problem{background:var(--surface)}
.pain-list{display:grid;grid-template-columns:1fr 1fr;border-top:1px solid var(--line)}
.pain{padding:28px 32px 28px 0;border-bottom:1px solid var(--line);display:grid;grid-template-columns:44px 1fr;gap:16px}
.pain:nth-child(even){padding-left:32px;padding-right:0;border-left:1px solid var(--line)}
.pain svg{stroke:var(--accent);margin-top:2px}
.pain h3{margin-bottom:6px}
.pain p{color:var(--muted);margin:0}
.turn{margin:64px auto 0;max-width:760px;text-align:center}
.turn p{font-family:var(--display);font-weight:700;font-size:clamp(1.7rem,3vw,2.35rem);line-height:1.15;margin-bottom:24px}
@media (max-width:760px){.pain-list{grid-template-columns:1fr}.pain,.pain:nth-child(even){padding:24px 0;border-left:0}}

/* Opportunity */
.opp-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.outcomes{list-style:none;padding:0;margin:0 0 32px}
.outcomes li{padding:14px 0 14px 36px;position:relative;border-bottom:1px solid var(--line)}
.outcomes li::before{content:"";position:absolute;left:0;top:19px;width:20px;height:20px;border-radius:50%;background:var(--gold)}
.outcomes li::after{content:"";position:absolute;left:6px;top:24px;width:8px;height:5px;border-left:2px solid #FFFFFF;border-bottom:2px solid #FFFFFF;transform:rotate(-45deg)}
.outcomes strong{font-family:var(--display);font-size:1.18rem;font-weight:600}
.outcomes span{color:var(--muted);display:block}
.compare{border:1px solid var(--line);border-radius:12px;overflow:hidden}
.compare table{width:100%;border-collapse:collapse}
.compare th{font-family:var(--display);font-size:1.15rem;text-align:left;padding:16px 18px;font-weight:600}
.compare th:first-child{color:var(--muted)}
.compare th:last-child,.compare td:last-child{background:var(--soft)}
.compare th:last-child{color:var(--blue)}
.compare td{padding:14px 18px;border-top:1px solid var(--line);vertical-align:top;width:50%}
.compare td:first-child{color:var(--muted)}
.compare td:last-child{font-weight:500}
.compare-note{padding:18px;border-top:1px solid var(--line)}
@media (max-width:900px){.opp-grid{grid-template-columns:1fr;gap:40px}}

/* Different */
.diff-grid{display:grid;grid-template-columns:1fr 1fr;gap:0;border:1px solid var(--line);border-radius:14px;overflow:hidden}
.diff{padding:36px;background:var(--bg)}
.diff:nth-child(1),.diff:nth-child(2){border-bottom:1px solid var(--line)}
.diff:nth-child(odd){border-right:1px solid var(--line)}
.diff .ico{width:52px;height:52px;border-radius:50%;background:var(--band);display:grid;place-items:center;margin-bottom:20px}
.diff .ico svg{stroke:var(--gold)}
.diff h3{font-size:1.65rem;margin-bottom:10px}
.diff p{color:var(--muted);margin:0;max-width:34em}
@media (max-width:760px){.diff-grid{grid-template-columns:1fr}.diff:nth-child(odd){border-right:0}.diff:not(:last-child){border-bottom:1px solid var(--line)}}
.after-cta{margin-top:40px}

/* System */
.system{background:var(--surface)}
.sys-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:24px}
.sys-hero{background:var(--band);color:var(--on-band);border-radius:14px;padding:36px;display:flex;flex-direction:column}
.sys-hero h3{color:var(--on-band);font-size:1.9rem;margin-bottom:12px}
.sys-hero p{color:var(--on-band-muted)}
.sys-hero .kit{margin-top:auto;border-top:1px solid rgba(255,255,255,.25);padding-top:18px;font-size:.95rem;color:var(--on-band-muted)}
.sys-hero .kit .ph{color:var(--ph-band)}
.sys-hero svg.product{margin:10px 0 18px;max-width:320px}
.sys-list{display:flex;flex-direction:column;gap:0;background:var(--bg);border:1px solid var(--line);border-radius:14px}
.sys-item{display:grid;grid-template-columns:40px 1fr;gap:16px;padding:22px 26px;border-bottom:1px solid var(--line)}
.sys-item:last-child{border-bottom:0}
.sys-item svg{stroke:var(--accent);margin-top:2px}
.sys-item h3{font-size:1.2rem;margin-bottom:4px}
.sys-item p{color:var(--muted);margin:0;font-size:1rem}
.sys-item small{display:block;margin-top:6px;font-size:.88rem;color:var(--muted)}
.positioning{margin:36px 0 0;font-family:var(--display);font-size:1.4rem;font-weight:600;max-width:40em}
@media (max-width:900px){.sys-grid{grid-template-columns:1fr}}

/* Founder */
.founder-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;align-items:start}
.photo-ph{background:var(--soft);border:1px dashed var(--line);border-radius:14px;display:grid;place-items:center;text-align:center;color:var(--muted);font-size:.92rem;padding:20px}
.founder .photo-ph{aspect-ratio:4/5;position:sticky;top:100px}
.photo-ph svg{stroke:var(--muted);margin-bottom:10px}
.chapter{padding:0 0 26px 26px;border-left:2px solid var(--line);position:relative}
.chapter::before{content:"";position:absolute;left:-7px;top:6px;width:12px;height:12px;border-radius:50%;background:var(--soft);border:2px solid var(--rivet)}
.chapter h3{color:var(--accent-text);font-size:1.25rem;margin-bottom:6px}
.chapter p{margin:0}
.chapter.win{border-left-color:var(--gold)}
.chapter.win::before{background:var(--gold)}
.win-stat{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;background:var(--soft);border-radius:10px;padding:16px 20px;margin:4px 0 10px}
.win-stat b{font-family:var(--display);font-size:2.6rem;line-height:1;color:var(--accent-text)}
.win-stat span{font-weight:500}
.disclaim{font-size:.85rem;color:var(--muted);margin-top:8px}
.quote-band{background:var(--band);color:var(--on-band);margin-top:72px;padding:64px 0}
.quote-band blockquote{margin:0 auto;max-width:900px;text-align:center}
.quote-band blockquote p{font-family:var(--display);font-weight:600;font-size:clamp(1.8rem,3.4vw,2.7rem);line-height:1.15;margin-bottom:18px}
.quote-band cite{font-style:normal;color:var(--chrome)}
.quote-band{border-top:1px solid rgba(197,202,209,.22);border-bottom:1px solid rgba(197,202,209,.22)}
.quote-band .btn-row{justify-content:center;margin-top:30px}
@media (max-width:900px){.founder-grid{grid-template-columns:1fr}.founder .photo-ph{position:static;aspect-ratio:16/10}}

/* Use cases */
.uses{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.use{border:1px solid var(--line);border-radius:10px;padding:24px 22px;background:var(--bg)}
.use svg{stroke:var(--accent);margin-bottom:16px}
.use h3{font-size:1.25rem;margin-bottom:6px}
.use p{color:var(--muted);margin:0;font-size:.98rem}
@media (max-width:1000px){.uses{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.uses{grid-template-columns:1fr}}

/* How */
.how{background:var(--surface)}
.steps{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;counter-reset:s;position:relative}
.steps::before{content:"";position:absolute;top:26px;left:26px;right:12%;height:2px;background:var(--line)}
.steps li{position:relative;counter-increment:s}
.steps li::before{content:counter(s);display:grid;place-items:center;width:54px;height:54px;border-radius:50%;background:var(--band);color:var(--gold);border:1px solid var(--gold);font-family:var(--display);font-weight:700;font-size:1.5rem;margin-bottom:18px;position:relative;box-shadow:0 0 0 6px var(--surface)}
.steps h3{margin-bottom:6px}
.steps p{color:var(--muted);margin:0}
@media (max-width:900px){.steps{grid-template-columns:1fr;gap:28px}.steps::before{top:0;bottom:0;left:26px;right:auto;width:2px;height:auto}.steps li{padding-left:76px}.steps li::before{position:absolute;left:0;top:-4px}}

/* ROI */
.roi{background:var(--soft)}
.roi-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.roi-points{list-style:none;padding:0;margin:24px 0 0}
.roi-points li{padding:10px 0;border-bottom:1px solid var(--line);font-weight:500}
.calc{background:var(--bg);border:1px solid var(--line);border-radius:14px;padding:32px}
.progress{height:6px;background:var(--soft);border-radius:4px;overflow:hidden;margin-bottom:8px}
.progress i{display:block;height:100%;width:20%;background:var(--gold);transition:width .25s}
.step-count{font-size:.9rem;color:var(--muted);margin-bottom:22px}
.q label,.q legend{display:block;font-family:var(--display);font-weight:600;font-size:1.45rem;line-height:1.2;margin-bottom:18px;padding:0}
.q fieldset{border:0;margin:0;padding:0}
.opts{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.opt{position:relative}
.opt input{position:absolute;opacity:0}
.opt span{display:flex;align-items:center;min-height:52px;padding:10px 16px;border:1.5px solid var(--line);border-radius:8px;cursor:pointer;font-weight:500;line-height:1.25}
.opt input:checked+span{border-color:var(--gold);background:var(--soft);color:var(--text);box-shadow:inset 0 0 0 1px var(--gold)}
.opt input:focus-visible+span{outline:3px solid var(--gold);outline-offset:2px}
.field{width:100%;min-height:54px;padding:10px 16px;border:1.5px solid var(--line);border-radius:8px;font:500 1.15rem var(--body);background:var(--bg);color:var(--text)}
.field:focus{border-color:var(--gold);outline:none;box-shadow:0 0 0 3px var(--soft)}
.money{position:relative}
.money::before{content:"$";position:absolute;left:16px;top:50%;transform:translateY(-50%);font-weight:600;color:var(--muted)}
.money .field{padding-left:32px}
.range-wrap{display:flex;align-items:center;gap:16px}
.range-wrap input[type=range]{flex:1;accent-color:var(--accent);height:32px}
.range-out{font-family:var(--display);font-weight:700;font-size:1.8rem;min-width:3ch;text-align:right;color:var(--accent-text)}
.calc-nav{display:flex;justify-content:space-between;align-items:center;margin-top:26px;gap:12px}
.err{color:#B3261E;font-size:.95rem;margin-top:10px;min-height:1.4em}
:root[data-theme="dark"] .err{color:#FFB4AB}
@media (prefers-color-scheme: dark){:root:not([data-theme="light"]) .err{color:#FFB4AB}}
.result h3{font-size:1.6rem;margin-bottom:14px}
.big-range{font-family:var(--display);font-weight:700;font-size:clamp(2rem,4vw,2.8rem);color:var(--blue);line-height:1.05;margin:4px 0 6px;color:var(--accent-text)}
.res-block{padding:16px 0;border-top:1px solid var(--line)}
.res-label{font-size:.92rem;color:var(--muted);margin-bottom:4px}
.gate{background:var(--surface);border-radius:10px;padding:20px;margin-top:8px}
.gate-fields{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0}
.gate-fields .field{font-size:1rem;min-height:48px}
.plan{margin:10px 0 0;padding-left:20px}
.plan li{margin-bottom:6px}
.fine{font-size:.85rem;color:var(--muted);margin-top:14px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
@media (max-width:900px){.roi-grid{grid-template-columns:1fr;gap:32px}}
@media (max-width:520px){.opts,.gate-fields{grid-template-columns:1fr}.calc{padding:22px}}

/* Specs as data plate */
.plate{border:1.5px solid var(--band);border-radius:10px;position:relative;background:var(--bg)}
.plate::before,.plate::after,.plate-in::before,.plate-in::after{content:"";position:absolute;width:10px;height:10px;border-radius:50%;background:var(--soft);border:2px solid var(--rivet)}
.plate::before{top:10px;left:10px}.plate::after{top:10px;right:10px}
.plate-in::before{bottom:10px;left:10px}.plate-in::after{bottom:10px;right:10px}
.plate-head{background:var(--band);color:var(--on-band);padding:16px 40px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-family:var(--display);font-weight:600;font-size:1.15rem}
.plate-head span:last-child{color:var(--on-band-muted);font-weight:500}
.plate-in{padding:8px 40px 36px}
.specs{display:grid;grid-template-columns:1fr 1fr;column-gap:48px}
.spec{display:grid;grid-template-columns:minmax(150px,.8fr) 1.2fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line);align-items:baseline}
.spec b{font-family:var(--display);font-size:1.45rem;font-weight:700;color:var(--text);line-height:1.1}
.spec span{color:var(--muted)}
.spec-foot{font-size:.88rem;color:var(--muted);margin-top:18px}
@media (max-width:860px){.specs{grid-template-columns:1fr}.plate-in,.plate-head{padding-left:24px;padding-right:24px}}
@media (max-width:480px){.spec{grid-template-columns:1fr;gap:4px}}

/* Founding */
.founding{background:var(--surface)}
.offer{display:grid;grid-template-columns:1.2fr .8fr;border:1px solid var(--line);border-radius:14px;overflow:hidden;background:var(--bg)}
.offer-main{padding:44px}
.offer-main h2{margin-bottom:12px}
.offer-main .lead{color:var(--muted);font-size:1.15rem}
.checks{list-style:none;padding:0;margin:24px 0 0;columns:2;column-gap:28px}
.checks li{break-inside:avoid;padding:6px 0 6px 28px;position:relative}
.checks li::before{content:"";position:absolute;left:2px;top:13px;width:12px;height:7px;border-left:2.5px solid var(--accent);border-bottom:2.5px solid var(--accent);transform:rotate(-45deg)}
.offer-side{background:var(--band);color:var(--on-band);padding:44px 36px;display:flex;flex-direction:column;justify-content:center}
.offer-side h3{color:var(--on-band);font-size:1.4rem;margin-bottom:18px}
.dots{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;max-width:260px;margin-bottom:14px}
.dots i{aspect-ratio:1;border-radius:50%;border:1.5px solid rgba(197,202,209,.5)}
.dots i.open{background:var(--gold);border-color:var(--gold)}
.spots-text{font-weight:500;margin-bottom:26px}
.spots-text .ph{color:var(--ph-band)}
.offer-side .micro{color:var(--on-band-muted)}
@media (max-width:900px){.offer{grid-template-columns:1fr}.checks{columns:1}.offer-main{padding:32px 24px}.offer-side{padding:32px 24px}}

/* Proof */
.stat-row{display:grid;grid-template-columns:repeat(3,1fr);border-top:2px solid var(--gold);border-bottom:1px solid var(--line);margin-bottom:48px}
.stat-row div{padding:24px 24px 24px 0}
.stat-row div+div{padding-left:24px;border-left:1px solid var(--line)}
.stat-row b{display:block;font-family:var(--display);font-size:1.5rem;line-height:1.15;color:var(--text)}
.stat-row span{color:var(--muted);font-size:.98rem}
.reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-bottom:48px}
.review{border:1px solid var(--line);border-radius:12px;padding:26px;background:var(--bg)}
.review p{font-size:1.08rem;margin-bottom:18px}
.review footer{font-size:.95rem;color:var(--muted)}
.review footer strong{color:var(--text);display:block}
.sub-h{font-size:1.6rem;margin-bottom:18px}
.gallery{display:grid;grid-template-columns:2fr 1fr 1fr;grid-template-rows:180px 180px;gap:14px;margin-bottom:48px}
.gallery figure{margin:0;display:flex;flex-direction:column}
.gallery .photo-ph{flex:1;border-radius:10px}
.gallery figure:first-child{grid-row:span 2}
.cases{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.case{border:1px dashed var(--line);border-radius:10px;padding:22px;color:var(--muted)}
.case h3{font-size:1.1rem;color:var(--muted);margin-bottom:6px}
@media (max-width:900px){.reviews,.cases{grid-template-columns:1fr}.stat-row{grid-template-columns:1fr}.stat-row div+div{padding-left:0;border-left:0;border-top:1px solid var(--line)}.gallery{grid-template-columns:1fr 1fr;grid-template-rows:auto}.gallery figure{min-height:160px}.gallery figure:first-child{grid-column:span 2;grid-row:auto;min-height:220px}}

/* FAQ */
.faq-tabs{display:flex;gap:8px;overflow-x:auto;padding-bottom:6px;margin-bottom:24px;scrollbar-width:thin}
.faq-tabs button{flex:none;min-height:44px;padding:0 18px;border-radius:22px;border:1.5px solid var(--line);background:var(--bg);color:var(--text);font:600 1rem var(--display);cursor:pointer}
.faq-tabs button[aria-selected="true"]{background:var(--btn);border-color:var(--btn);color:var(--btn-text)}
.faq-panel{max-width:860px}
.faq-panel[hidden]{display:none}
details{border-bottom:1px solid var(--line)}
details:first-child{border-top:1px solid var(--line)}
summary{list-style:none;cursor:pointer;padding:20px 44px 20px 0;font-family:var(--display);font-weight:600;font-size:1.28rem;position:relative}
summary::-webkit-details-marker{display:none}
summary::after{content:"";position:absolute;right:8px;top:50%;width:12px;height:12px;border-right:2px solid var(--accent);border-bottom:2px solid var(--accent);transform:translateY(-70%) rotate(45deg);transition:transform .2s}
details[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
details p{padding:0 44px 20px 0;margin:0;color:var(--muted)}
.faq-more{margin-top:40px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.faq-more p{margin:0;font-family:var(--display);font-weight:600;font-size:1.3rem}

/* Final */
.final{background:var(--band);color:var(--on-band);padding:96px 0}
.final-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.final h2{color:var(--on-band);font-size:clamp(2.2rem,4vw,3.3rem)}
.final .lead{color:var(--on-band-muted);font-size:1.2rem;margin:18px 0}
.final .micro{color:var(--on-band-muted)}
.contact-line{margin-top:30px;color:var(--on-band-muted);display:flex;flex-direction:column;gap:4px}
.contact-line .ph{color:var(--ph-band)}
.demo-form{background:var(--bg);color:var(--text);border-radius:14px;padding:32px}
.demo-form h3{font-size:1.6rem;margin-bottom:6px}
.demo-form .micro{color:var(--muted);margin:0 0 18px}
.df{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.df label{font-size:.9rem;font-weight:600;display:flex;flex-direction:column;gap:6px}
.df .full{grid-column:span 2}
.df .field{font-size:1rem;min-height:48px}
.demo-form .btn{width:100%;margin-top:16px}
.done{display:none;padding:12px 0}
.done h3{color:var(--accent-text)}
@media (max-width:900px){.final-grid{grid-template-columns:1fr}}
@media (max-width:520px){.df{grid-template-columns:1fr}.df .full{grid-column:auto}.demo-form{padding:22px}}

.foot{padding:36px 0 110px;border-top:1px solid var(--line);font-size:.92rem;color:var(--muted)}
.foot-in{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
.foot a{color:var(--muted)}
@media (min-width:761px){.foot{padding-bottom:36px}}


/* Logo + contact */
.logo-mark{display:block;flex:none;width:46px;height:46px;background:url(../../images/site/strato-logo.webp) center/contain no-repeat}
.head-phone{display:inline-flex;align-items:center;gap:8px;color:var(--text);text-decoration:none;font-weight:600;white-space:nowrap}
.head-phone svg{stroke:var(--accent)}
.head-phone:hover{color:var(--accent-text)}
@media (max-width:1180px){.head-note{display:none}}
@media (max-width:1000px){.head-phone span{display:none}.head-phone{width:44px;height:44px;justify-content:center;border:1.5px solid var(--line);border-radius:6px}}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 28px;margin-top:34px;padding-top:26px;border-top:1px solid rgba(197,202,209,.22)}
.contact-grid .span2{grid-column:span 2}
.contact-grid dt{font-size:.85rem;color:var(--chrome);margin-bottom:2px}
.contact-grid dd{margin:0;color:var(--on-band)}
.contact-grid a{color:var(--on-band);text-decoration:none;word-break:break-word}
.contact-grid a:hover{text-decoration:underline;text-underline-offset:3px}
.hours{list-style:none;margin:0;padding:0}
.hours li{display:flex;justify-content:space-between;gap:12px;max-width:260px}
.hours li span:last-child{color:var(--on-band-muted)}
@media (max-width:520px){.contact-grid{grid-template-columns:1fr}.contact-grid .span2{grid-column:auto}}
.foot-brand{display:flex;align-items:center;gap:12px}
.foot-brand .logo-mark{width:38px;height:38px}
.foot-contact{display:flex;flex-wrap:wrap;gap:6px 22px}


/* Brushed-steel bands + brand line */
.trust,.sys-hero,.quote-band,.offer-side,.final,.plate-head{background-image:var(--band-grad)}
.site-head{border-top:3px solid var(--accent)}
.steps li::before{background-image:var(--band-grad)}
.diff .ico{background-image:var(--band-grad)}


/* Photos */
.founder-photo{margin:0;position:sticky;top:100px}
.founder-photo img{display:block;width:100%;height:auto;aspect-ratio:4/5;object-fit:cover;object-position:50% 40%;border-radius:14px}
.founder-photo figcaption,.gal figcaption{font-size:.88rem;color:var(--muted);margin-top:10px}
.sys-img{display:block;width:100%;height:auto;aspect-ratio:16/10;object-fit:cover;border-radius:10px;margin:0 0 22px}
.opp-img{display:block;width:100%;height:auto;aspect-ratio:10/7;object-fit:cover;border-radius:12px;margin-bottom:20px}
.gal{display:grid;grid-template-columns:1.5fr 1fr;gap:18px;margin-bottom:48px;align-items:start}
.gal figure{margin:0}
.gal img{display:block;width:100%;height:auto;object-fit:cover;border-radius:12px}
.gal .g-main img{aspect-ratio:3/2}
.gal .g-side img{aspect-ratio:3/2}
.stars{color:var(--accent);font-size:1.1rem;letter-spacing:2px;margin-bottom:12px;line-height:1}
@media (max-width:900px){.founder-photo{position:static}.founder-photo img{aspect-ratio:4/3}.gal{grid-template-columns:1fr}}




/* Project gallery */
.pg{border-top:1px solid var(--line)}
.pg-tabs button[aria-pressed="true"]{background:var(--btn);border-color:var(--btn);color:var(--btn-text)}
.pg-tabs button small{font-weight:500;opacity:.75;margin-left:4px;font-size:.9em}
.pg-group{margin-top:44px}
.pg-group[hidden]{display:none}
.pg-ghead{display:flex;justify-content:space-between;align-items:flex-end;gap:8px 24px;flex-wrap:wrap;margin-bottom:18px;padding-bottom:14px;border-bottom:1px solid var(--line)}
.pg-ghead h3{font-size:1.6rem}
.pg-ghead p{margin:6px 0 0;color:var(--muted);max-width:44em}
.pg-count{font-size:.92rem;color:var(--muted);white-space:nowrap}
.pg-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
@media (max-width:1000px){.pg-grid{grid-template-columns:repeat(3,1fr)}}
.pg-item{position:relative;display:block;width:100%;padding:0;margin:0;border:0;border-radius:10px;overflow:hidden;background:var(--soft);cursor:zoom-in;aspect-ratio:4/3}
.pg-item img{display:block;width:100%;height:100%;object-fit:cover;opacity:0;transition:opacity .45s ease,transform .45s ease}
.pg-item img.is-loaded{opacity:1}
.pg-item:hover img{transform:scale(1.04)}
.pg-item:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.pg-tag{position:absolute;left:10px;bottom:10px;background:rgba(15,16,19,.82);color:#fff;font:600 .8rem var(--body);padding:4px 10px;border-radius:14px;pointer-events:none}
.pg-tag.after{background:var(--accent)}
.pg-item.is-extra{display:none}
.pg-group.expanded .pg-item.is-extra{display:block}
.pg-group[data-group="roof-soft-wash"] .pg-grid{grid-template-columns:repeat(2,1fr);max-width:900px}
.pg-video{grid-row:span 2;border-radius:10px;overflow:hidden;background:#000;position:relative;margin:0}
.pg-video video{display:block;width:100%;height:100%;object-fit:cover;background:#000}
.pg-more{margin-top:18px}
.pg-grid.pg-pair{grid-template-columns:repeat(2,1fr);max-width:900px}
.pg-pair .pg-tag{font-size:.9rem;padding:5px 12px}
.pg-cta{margin-top:56px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.pg-cta p{margin:0;font-family:var(--display);font-weight:600;font-size:1.3rem}
.pg-link{margin:-24px 0 48px}
@media (prefers-reduced-motion: reduce){.pg-item img{transition:none}.pg-item:hover img{transform:none}}
@media (max-width:520px){.pg-grid{grid-template-columns:repeat(2,1fr);gap:8px}.pg-tag{left:6px;bottom:6px;font-size:.72rem;padding:3px 8px}}

/* Lightbox */
.lb{position:fixed;inset:0;width:100%;height:100%;max-width:none;max-height:none;margin:0;padding:0;border:0;background:rgba(10,11,13,.95);color:#fff;overflow:hidden}
.lb[open]{display:grid;grid-template-rows:auto 1fr auto}
.lb::backdrop{background:rgba(10,11,13,.95)}
.lb-top{display:flex;justify-content:space-between;align-items:center;padding:calc(12px + env(safe-area-inset-top,0px)) 16px 8px;font-size:.95rem;color:#C5CAD1}
.lb-btn{width:48px;height:48px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(255,255,255,.08);color:#fff;display:grid;place-items:center;cursor:pointer;transition:background .15s}
.lb-btn:hover{background:rgba(255,255,255,.18)}
.lb-btn:focus-visible{outline:3px solid var(--gold);outline-offset:2px}
.lb-stage{position:relative;display:flex;align-items:center;justify-content:center;min-height:0;padding:0 72px}
.lb-stage img{max-width:100%;max-height:100%;object-fit:contain;border-radius:6px;opacity:0;transition:opacity .3s ease;user-select:none;-webkit-user-drag:none}
.lb-stage img.is-loaded{opacity:1}
.lb-spin{position:absolute;width:34px;height:34px;border-radius:50%;border:3px solid rgba(255,255,255,.2);border-top-color:#fff;animation:lbspin .8s linear infinite}
.lb-spin[hidden]{display:none}
@keyframes lbspin{to{transform:rotate(360deg)}}
.lb-prev,.lb-next{position:absolute;top:50%;transform:translateY(-50%)}
.lb-prev{left:12px}.lb-next{right:12px}
.lb-cap{padding:12px 20px calc(18px + env(safe-area-inset-bottom,0px));text-align:center;font-size:1rem;color:#E6E8EB;min-height:3.2em}
@media (max-width:760px){.lb-stage{padding:0 8px}.lb-prev,.lb-next{top:auto;bottom:8px;transform:none}.lb-prev{left:16px}.lb-next{right:16px}.lb-cap{padding:10px 76px calc(16px + env(safe-area-inset-bottom,0px))}}
@media (prefers-reduced-motion: reduce){.lb-stage img{transition:none}.lb-spin{animation:none}}

/* Mobile sticky bar */
.mbar{position:fixed;left:0;right:0;bottom:0;z-index:60;background:var(--bg);border-top:1px solid var(--line);padding:10px 12px calc(10px + env(safe-area-inset-bottom));display:none;gap:10px;transform:translateY(110%);transition:transform .25s}
.mbar.show{transform:none}
.mbar .btn{flex:1;min-height:48px;padding:0 10px}
@media (max-width:760px){.mbar{display:flex}}
@media (prefers-reduced-motion: reduce){.mbar{transition:none}}

/* Spam trap fields on the forms: hidden from people, filled in only by bots */
.hp{position:absolute!important;left:-10000px!important;width:1px;height:1px;overflow:hidden}
.btn[disabled]{opacity:.65;cursor:wait}