/* Roof Ops — light, photo-forward. The brief is explicit that the site cannot be
   uniformly dark: sections alternate so the eye gets a break and the photography
   does not suffocate. Dark is reserved for full-bleed photo bands and the footer. */

:root{
  --ground:#FBFBFA;     /* paper */
  --ground-2:#F1F1EE;   /* alternating band */
  --raise:#FFFFFF;      /* cards */
  --raise-2:#E8E8E4;
  --ink:#15161A;
  --ink-2:#55585F;
  --ink-3:#65686F;
  --rule:#E3E3DF;
  --rule-2:#D2D2CD;
  --rust:#C8161E;       /* logo red, deepened to carry on white */
  --rust-lift:#E01C24;  /* the logo value itself, for dark grounds */
  --rust-dim:#FBE8E8;
  --steel:#6E7178;

  /* dark grounds that survive the flip: photo overlays and the footer */
  --dark:#111113;
  --dark-2:#191A1E;
  --dark-rule:#2C2E33;
  --on-photo:#FFFFFF;
  --on-photo-2:#D8DADD;

  --railh:clamp(210px,28vw,310px);

  --f-display:'Archivo','Helvetica Neue',Arial,sans-serif;
  --f-body:'Source Serif 4',Georgia,'Times New Roman',serif;
  --f-mono:'IBM Plex Mono',ui-monospace,'SF Mono',Menlo,monospace;

  --gut:clamp(20px,4.5vw,64px);
  --max:1340px;
  --bar:0px;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.01ms!important;transition-duration:.01ms!important}
}
body{
  margin:0;background:var(--ground);color:var(--ink);
  font-family:var(--f-body);font-size:17px;line-height:1.62;
  -webkit-font-smoothing:antialiased;overflow-x:hidden;
  padding-bottom:var(--bar);
}
img,video{max-width:100%;display:block}
a{color:inherit}
p{margin:0 0 1.05em}
:focus-visible{outline:2px solid var(--rust-lift);outline-offset:3px}
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gut)}
.narrow{max-width:66ch}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--f-display);margin:0;text-wrap:balance;letter-spacing:-.024em;line-height:1.05}
h1{font-size:clamp(38px,6.2vw,74px);font-weight:800}
h2{font-size:clamp(28px,4vw,46px);font-weight:700}
h3{font-size:clamp(19px,2.1vw,25px);font-weight:700;letter-spacing:-.018em;line-height:1.16}
h4{font-size:17px;font-weight:700;letter-spacing:-.01em;line-height:1.25}
.lede{font-size:clamp(18px,2vw,21px);line-height:1.55;color:var(--ink-2)}
.eyebrow{
  font-family:var(--f-mono);font-size:11px;font-weight:500;letter-spacing:.16em;
  text-transform:uppercase;color:var(--rust);display:block;
}
/* on photography red disappears into the image — labels go light instead */
.hero .eyebrow,.cta .eyebrow{color:var(--on-photo-2);text-shadow:0 1px 10px rgba(0,0,0,.5)}
.eyebrow.dim{color:var(--ink-3)}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.hdr{
  position:sticky;top:0;z-index:60;background:rgba(251,251,250,.90);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--rule);
}
.hdr .wrap{display:flex;align-items:center;gap:26px;height:64px}
.brand{text-decoration:none;display:flex;align-items:center;min-height:44px;flex:none}
.brand img{height:34px;width:auto;display:block}
.ftr .brand img{height:42px}
@media(max-width:420px){.brand img{height:29px}}
.nav{display:flex;gap:24px;margin-left:auto;align-items:center}
.nav a{font-family:var(--f-display);font-size:14.5px;font-weight:500;text-decoration:none;
  color:var(--ink-2);white-space:nowrap;transition:color .15s}
.nav a:hover,.nav a[aria-current="page"]{color:var(--ink)}
.hdr-tel{
  font-family:var(--f-mono);font-size:13.5px;font-weight:600;text-decoration:none;
  border:1px solid var(--rule-2);padding:8px 14px;border-radius:2px;white-space:nowrap;
  transition:border-color .15s,background .15s;
}
.hdr-tel:hover{border-color:var(--rust);background:var(--rust-dim)}
.burger{display:none;margin-left:auto;background:none;border:1px solid var(--rule-2);
  color:var(--ink);width:46px;height:44px;border-radius:2px;cursor:pointer;
  font-size:17px;line-height:1;align-items:center;justify-content:center}
@media(max-width:900px){
  .nav{position:fixed;inset:64px 0 auto;flex-direction:column;align-items:stretch;gap:0;
    background:var(--raise);border-bottom:1px solid var(--rule);padding:6px 0;margin:0;
    box-shadow:0 14px 26px rgba(17,17,19,.10);
    max-height:calc(100vh - 64px);overflow-y:auto}
  .nav[hidden]{display:none}
  .nav a{padding:13px var(--gut);font-size:16px;border-bottom:1px solid var(--rule)}
  .nav a:last-child{border-bottom:0}
  .burger{display:flex}
  .hdr-tel{display:none}
}

/* mobile sticky call bar */
.callbar{display:none}
@media(max-width:900px){
  :root{--bar:56px}
  .callbar{
    display:grid;grid-template-columns:1fr 1fr;position:fixed;inset:auto 0 0;z-index:70;
    border-top:1px solid var(--rule-2);background:var(--raise);
    box-shadow:0 -6px 20px rgba(17,17,19,.08);
  }
  .callbar a{
    font-family:var(--f-display);font-weight:600;font-size:14.5px;text-decoration:none;
    padding:17px 8px;text-align:center;letter-spacing:.01em;
  }
  .callbar a+a{background:var(--rust);color:#fff}
}

/* ---------- hero ---------- */
.hero{position:relative;min-height:min(78vh,700px);display:flex;align-items:flex-end;
  overflow:hidden;border-bottom:1px solid var(--rule)}
.hero-media{position:absolute;inset:0;z-index:0}
/* the <picture> has no intrinsic height, so pin it to the band or it resolves
   to the photo's full height and overflows the section */
.hero-media>.shot,.cta-media>.shot{position:absolute;inset:0;width:100%;height:100%}
.hero-media img,.hero-media video{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(17,17,19,.66) 0%,rgba(17,17,19,.26) 34%,rgba(17,17,19,.92) 100%);
}
.hero .wrap{position:relative;z-index:1;padding-top:clamp(80px,14vw,150px);padding-bottom:clamp(34px,5vw,58px)}
.hero h1{max-width:15ch;margin:18px 0 20px;color:var(--on-photo);
  text-shadow:0 2px 30px rgba(0,0,0,.45)}
.hero .lede{max-width:52ch;color:var(--on-photo-2);margin-bottom:26px}

.btns{display:flex;flex-wrap:wrap;gap:11px}
.btn{
  font-family:var(--f-display);font-size:15px;font-weight:600;text-decoration:none;
  padding:13px 22px;border-radius:2px;background:var(--rust);color:#fff;
  border:1px solid var(--rust);transition:background .16s,border-color .16s;
  display:inline-flex;align-items:center;gap:8px;cursor:pointer;
}
.btn:hover{background:var(--rust-lift);border-color:var(--rust-lift)}
/* ghost sits on photography by default, and on paper inside a light section */
.btn.ghost{background:rgba(17,17,19,.34);border-color:rgba(255,255,255,.72);color:var(--on-photo);
  backdrop-filter:blur(3px);-webkit-backdrop-filter:blur(3px)}
.btn.ghost:hover{background:rgba(255,255,255,.18);border-color:#fff}
section:not(.cta):not(.hero) .btn.ghost{background:transparent;border-color:var(--rule-2);color:var(--ink)}
section:not(.cta):not(.hero) .btn.ghost:hover{background:var(--ground-2);border-color:var(--ink-3)}

/* ---------- proof bar ---------- */
.proof{border-bottom:1px solid var(--rule);background:var(--ground-2)}
.proof .wrap{display:flex;flex-wrap:wrap;gap:0}
/* must stay child-scoped: a bare `.proof div` also matches .wrap and turns the
   whole bar into a column */
.proof .wrap>div{flex:1 1 200px;padding:18px 26px 18px 0;border-right:1px solid var(--rule);
  display:flex;flex-direction:column;gap:3px;min-width:0}
.proof .wrap>div:last-child{border-right:0}
.proof b{font-family:var(--f-display);font-size:21px;font-weight:700;letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;display:flex;align-items:baseline}
.proof .wrap>div>span{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;
  text-transform:uppercase;color:var(--ink-3)}
.stars{color:var(--rust);letter-spacing:.08em;font-size:15px;margin-right:3px}

/* ---------- sections ---------- */
section{padding:clamp(56px,8vw,110px) 0}
section.tight{padding:clamp(40px,5vw,68px) 0}
section.alt{background:var(--ground-2);border-block:1px solid var(--rule)}
.shead{margin-bottom:clamp(28px,4vw,48px);max-width:60ch}
.shead .eyebrow{margin-bottom:14px}
.shead h2{margin-bottom:16px}
.shead p{color:var(--ink-2);margin:0;font-size:18px}

/* ---------- generic grids ---------- */
.g3{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:clamp(16px,2vw,26px)}
.g2{display:grid;grid-template-columns:repeat(auto-fit,minmax(340px,1fr));gap:clamp(18px,2.4vw,34px)}

/* ---------- figure / photo cards ---------- */
.shot{position:relative;overflow:hidden;background:var(--raise-2);border-radius:2px;display:block}
.shot img{width:100%;height:100%;object-fit:cover;display:block;
  transition:transform .5s cubic-bezier(.2,.7,.3,1)}
a.shot:hover img,.card:hover .shot img{transform:scale(1.035)}
.cap{font-family:var(--f-mono);font-size:12px;line-height:1.5;color:var(--ink-3);
  margin-top:10px;display:block}

/* card = photo + text block */
.card{display:flex;flex-direction:column;gap:0;text-decoration:none;background:var(--raise);
  border:1px solid var(--rule);border-radius:2px;overflow:hidden;
  transition:border-color .18s,box-shadow .18s}
.card:hover{border-color:var(--rule-2);box-shadow:0 10px 26px rgba(17,17,19,.07)}
.card .body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:9px;flex:1}
.card .body h3{margin:0}
.card .body p{margin:0;color:var(--ink-2);font-size:15.5px;line-height:1.5}
.card .meta{font-family:var(--f-mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);margin-top:auto;padding-top:10px}
.card .meta b{color:var(--ink-2);font-weight:600}

/* ---------- finish swatch cards ---------- */
.finish{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(18px,3vw,44px);
  align-items:center;padding:clamp(28px,4vw,52px) 0;border-bottom:1px solid var(--rule)}
.finish:last-child{border-bottom:0}
.finish:nth-child(even) .finish-text{order:-1}
.finish-text .eyebrow{margin-bottom:12px}
.finish-text h3{font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.finish-text p{color:var(--ink-2);margin-bottom:1em}
.finish-shots{display:flex;justify-content:flex-start}
.finish-shots .lead{display:inline-block;height:clamp(300px,38vw,470px);width:auto;max-width:100%}
@media(max-width:760px){.finish-shots .lead{height:auto;width:100%}}
@media(max-width:760px){
  .finish{grid-template-columns:1fr;gap:20px}
  .finish:nth-child(even) .finish-text{order:0}
}

/* ---------- detail strip (vertical craft shots) ---------- */
.rail{display:flex;gap:14px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding-bottom:16px;margin:0 calc(var(--gut)*-1);padding-inline:var(--gut);
  scrollbar-width:thin;scrollbar-color:var(--rule-2) transparent}
.rail::-webkit-scrollbar{height:7px}
.rail::-webkit-scrollbar-thumb{background:var(--rule-2);border-radius:4px}
.rail>*{flex:0 0 auto;scroll-snap-align:start;max-width:86vw}
.rail .shot{height:var(--railh)}
.rail figcaption,.rail .cap{max-width:min(340px,86vw)}

/* ---------- video ---------- */
.vframe{position:relative;background:#000;border-radius:2px;overflow:hidden}
.vframe video{width:100%;height:auto;display:block}
.vframe.vert video{aspect-ratio:9/16;object-fit:cover}
.vframe.land video{aspect-ratio:16/9;object-fit:cover}

/* ---------- spec table ---------- */
.spec{width:100%;border-collapse:collapse;font-size:15.5px}
.spec caption{text-align:left;font-family:var(--f-mono);font-size:11px;letter-spacing:.12em;
  text-transform:uppercase;color:var(--ink-3);padding-bottom:12px}
.spec th,.spec td{text-align:left;padding:13px 18px 13px 0;border-bottom:1px solid var(--rule);
  vertical-align:top}
.spec th{font-family:var(--f-display);font-weight:600;font-size:14.5px;width:34%;color:var(--ink)}
.spec td{color:var(--ink-2)}
.spec td .mono{color:var(--ink);font-size:14px}
.tscroll{overflow-x:auto}

/* ---------- quote ---------- */
.quote{border-left:2px solid var(--rust);padding:2px 0 2px clamp(18px,3vw,30px)}
.quote p{font-size:clamp(18px,2.2vw,23px);line-height:1.5;color:var(--ink);margin-bottom:16px}
.quote footer{font-family:var(--f-mono);font-size:12px;line-height:1.6;color:var(--ink-3);
  letter-spacing:.03em}
.quote footer b{color:var(--ink);font-weight:600;display:block;font-size:13px}
.quote.sm p{font-size:16.5px;line-height:1.55;color:var(--ink-2)}

.reviews{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));
  gap:clamp(20px,3vw,38px)}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:1px;
  background:var(--rule);border:1px solid var(--rule)}
.steps>div{background:var(--raise);padding:24px 22px 26px;display:flex;flex-direction:column;gap:9px}
section.alt .steps>div{background:var(--raise)}
.steps .n{font-family:var(--f-mono);font-size:12px;font-weight:600;color:var(--rust);
  letter-spacing:.1em}
.steps h4{margin:0}
.steps p{margin:0;font-size:15px;line-height:1.5;color:var(--ink-2)}

/* ---------- form ---------- */
.form{display:grid;gap:14px}
.form label{display:flex;flex-direction:column;gap:6px;font-family:var(--f-mono);
  font-size:11px;letter-spacing:.11em;text-transform:uppercase;color:var(--ink-3)}
.form input,.form textarea,.form select{
  font-family:var(--f-body);font-size:16.5px;color:var(--ink);background:var(--raise);
  border:1px solid var(--rule-2);border-radius:2px;padding:12px 14px;width:100%;
  min-height:48px;transition:border-color .15s;
}
.form textarea{min-height:104px;resize:vertical;line-height:1.5}
.form input:focus,.form textarea:focus,.form select:focus{border-color:var(--rust);outline:none}
.form .row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:560px){.form .row{grid-template-columns:1fr}}
.form .btn{justify-content:center;margin-top:4px}
.formnote{font-family:var(--f-mono);font-size:11.5px;line-height:1.6;color:var(--ink-3);margin:0}

/* ---------- area list ---------- */
.areas{display:flex;flex-wrap:wrap;gap:9px}
.areas span{font-family:var(--f-mono);font-size:13px;padding:8px 15px;border:1px solid var(--rule-2);
  border-radius:2px;color:var(--ink-2)}

/* ---------- CTA band ---------- */
.cta{position:relative;overflow:hidden;border-block:1px solid var(--rule)}
.cta-media{position:absolute;inset:0;z-index:0}
.cta-media img{width:100%;height:100%;object-fit:cover}
.cta-media::after{content:"";position:absolute;inset:0;background:rgba(17,17,19,.82)}
.cta .wrap{position:relative;z-index:1}
.cta h2,.cta .lede{color:var(--on-photo)}
.cta .lede{color:var(--on-photo-2)}

/* ---------- footer ---------- */
.ftr{background:var(--ground-2);border-top:1px solid var(--rule);
  padding:clamp(40px,5vw,66px) 0 34px;font-size:15px;color:var(--ink-2)}
.ftr p{color:var(--ink-2)}
.ftr-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));
  gap:32px;margin-bottom:36px}
.ftr h4{margin-bottom:14px;font-size:13px;font-family:var(--f-mono);font-weight:600;
  letter-spacing:.12em;text-transform:uppercase;color:var(--ink-3)}
.ftr ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:2px}
.ftr li{display:flex}
.ftr a{color:var(--ink-2);text-decoration:none;transition:color .15s;
  padding:11px 0;line-height:1.3;min-height:44px;display:flex;align-items:center}
.ftr li[style]{padding:11px 0;line-height:1.35}
.ftr a:hover{color:var(--ink)}
.ftr .legal{border-top:1px solid var(--rule);padding-top:22px;font-family:var(--f-mono);
  font-size:11.5px;color:var(--ink-3);line-height:1.7;display:flex;flex-wrap:wrap;
  gap:6px 22px;justify-content:space-between}

/* ---------- filter chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:clamp(22px,3vw,34px)}
.chip{font-family:var(--f-mono);font-size:12px;letter-spacing:.06em;padding:8px 16px;
  border:1px solid var(--rule-2);background:transparent;color:var(--ink-2);border-radius:2px;
  cursor:pointer;transition:all .15s;text-transform:uppercase;
  min-height:44px;display:inline-flex;align-items:center}
.chip:hover{border-color:var(--ink-3);color:var(--ink)}
.chip[aria-pressed="true"]{background:var(--rust);border-color:var(--rust);color:#fff}
.masonry{columns:3 290px;column-gap:clamp(14px,1.8vw,22px)}
.masonry>figure{break-inside:avoid;margin:0 0 clamp(14px,1.8vw,22px)}
.masonry figcaption{font-family:var(--f-mono);font-size:11.5px;line-height:1.5;
  color:var(--ink-3);margin-top:9px}

/* crosshair rule — the logo motif as a section divider */
.xrule{display:flex;align-items:center;gap:14px;margin:0 0 clamp(26px,4vw,44px);color:var(--rust)}
.xrule::before,.xrule::after{content:"";height:1px;background:var(--rule-2);flex:1}
.xrule svg{width:17px;height:17px;flex:none}
.xrule::before{flex:0 0 clamp(20px,5vw,64px)}

/* stacked pair: two photos, each at its own ratio */
.pair{display:grid;gap:14px}
.pair.two{grid-template-columns:1fr 1fr}
@media(max-width:620px){.pair.two{grid-template-columns:1fr}}

/* plain three-across explainer, replaces the .steps kludge */
.notes{display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));
  gap:clamp(20px,3vw,38px)}
.notes>div{border-top:2px solid var(--rust);padding-top:16px}
.notes .n{font-family:var(--f-mono);font-size:11px;font-weight:600;letter-spacing:.12em;
  text-transform:uppercase;color:var(--rust);display:block;margin-bottom:10px}
.notes h4{margin-bottom:9px}
.notes p{margin:0;font-size:15.5px;line-height:1.55;color:var(--ink-2)}

/* ---------- secondary anchor bar ---------- */
.abar{position:sticky;top:64px;z-index:55;background:rgba(251,251,250,.95);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid var(--rule);
  transform:translateY(-100%);opacity:0;pointer-events:none;
  transition:transform .28s cubic-bezier(.2,.7,.3,1),opacity .2s}
.abar.show{transform:none;opacity:1;pointer-events:auto}
.abar .wrap{display:flex;align-items:center;gap:clamp(14px,2.4vw,30px);height:50px;overflow-x:auto;
  scrollbar-width:none}
.abar .wrap::-webkit-scrollbar{display:none}
.abar a{font-family:var(--f-mono);font-size:11.5px;letter-spacing:.09em;text-transform:uppercase;
  text-decoration:none;color:var(--ink-3);white-space:nowrap;padding:4px 0;
  border-bottom:2px solid transparent;transition:color .15s,border-color .15s}
.abar a:hover{color:var(--ink)}
.abar a.on{color:var(--ink);border-bottom-color:var(--rust)}
.abar .tel{margin-left:auto;color:var(--rust);font-weight:600;border-bottom:0;font-size:12.5px;
  letter-spacing:.04em}
@media(max-width:900px){.abar{display:none}}

/* ---------- quick service cards: the first fork in the road ---------- */
.qcards{display:grid;grid-template-columns:repeat(auto-fit,minmax(275px,1fr));
  gap:clamp(16px,2.4vw,30px)}
.qcard{background:var(--raise);border:1px solid var(--rule);
  border-radius:2px;padding:clamp(26px,3vw,36px);display:flex;flex-direction:column;gap:9px;
  text-decoration:none;transition:box-shadow .18s,transform .18s,border-color .18s}
.qcard:hover{box-shadow:0 12px 30px rgba(17,17,19,.09);transform:translateY(-2px);
  border-color:var(--rule-2)}
.qcard .lbl{font-family:var(--f-mono);font-size:10.5px;font-weight:600;letter-spacing:.15em;
  text-transform:uppercase;color:var(--ink-3)}
.qcard h3{font-size:clamp(20px,2.2vw,24px)}
.qcard p{margin:0;color:var(--ink-2);font-size:15.5px;line-height:1.55;flex:1}
.qcard .go{font-family:var(--f-display);font-weight:600;font-size:15px;color:var(--rust);
  display:flex;align-items:center;gap:7px;margin-top:6px}
.qcard:hover .go{color:var(--rust)}

/* ---------- problem cards ---------- */
.probs{display:flex;flex-wrap:wrap;gap:1px;background:var(--rule);border:1px solid var(--rule)}
.prob{flex:1 1 265px;background:var(--raise);padding:clamp(22px,2.6vw,30px);
  display:flex;flex-direction:column;gap:10px}
.prob .n{font-family:var(--f-mono);font-size:10.5px;font-weight:600;letter-spacing:.14em;
  text-transform:uppercase;color:var(--rust)}
.prob h3{font-size:19px;line-height:1.25}
.prob p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.55}

/* ---------- full service grid ---------- */
.svcs{display:flex;flex-wrap:wrap;gap:1px;background:var(--rule);border:1px solid var(--rule)}
.svc{flex:1 1 250px;background:var(--raise);padding:22px 24px 26px;display:flex;
  flex-direction:column;gap:8px;text-decoration:none;transition:background .16s}
.svc:hover{background:var(--ground-2)}
.svc .tagline{font-family:var(--f-mono);font-size:10px;font-weight:600;letter-spacing:.13em;
  text-transform:uppercase;color:var(--ink-3)}
.svc h3{font-size:18px}
.svc p{margin:0;color:var(--ink-2);font-size:14.5px;line-height:1.5;flex:1}
.svc .go{font-family:var(--f-mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;
  color:var(--ink-3);margin-top:6px}
.svc:hover .go{color:var(--rust)}

/* ---------- promises ---------- */
.promises{display:grid;grid-template-columns:repeat(auto-fit,minmax(290px,1fr));
  gap:clamp(22px,3vw,40px)}
.promise{display:grid;grid-template-columns:38px 1fr;gap:0 16px}
.promise .n{font-family:var(--f-mono);font-size:12px;font-weight:600;color:var(--rust);
  padding-top:3px;font-variant-numeric:tabular-nums}
.promise h3{font-size:17.5px;margin-bottom:7px;line-height:1.3}
.promise p{margin:0;color:var(--ink-2);font-size:15px;line-height:1.55}

/* ---------- spec row ---------- */
.specrow{display:grid;grid-template-columns:repeat(auto-fit,minmax(150px,1fr));gap:1px;
  background:var(--rule);border:1px solid var(--rule);margin-top:26px}
.specrow>div{background:var(--raise);padding:18px 20px}
.specrow b{display:block;font-family:var(--f-display);font-size:clamp(19px,2.2vw,24px);
  font-weight:700;letter-spacing:-.02em;line-height:1.1;margin-bottom:5px}
.specrow span{font-family:var(--f-mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-3);line-height:1.4;display:block}

/* ---------- scroll reveal ---------- */
/* the hidden state is gated on html.reveal, which JS sets. Without JS, or if the
   observer never fires, every section renders visible rather than blank. */
.rv{transition:opacity .6s ease,transform .6s cubic-bezier(.2,.7,.3,1)}
html.reveal .rv{opacity:0;transform:translateY(16px)}
html.reveal .rv.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html.reveal .rv{opacity:1;transform:none;transition:none}
}

/* a link that is itself a call to action needs a real touch target, even inline */
.touch{display:inline-flex;align-items:center;min-height:44px}