/* ============================================================
   Instal Expert SMG — landing styles
   Light only. Warm near-white ground · near-black ink ·
   one orange signal (Ars #E8480C). Square corners by design.
   Type: Inter (body/display) + IBM Plex Mono (technical labels).
   ============================================================ */

:root{
  --bg:#FAF9F7;          /* warm near-white ground */
  --bg-1:#EEEEED;        /* subtle neutral hover fill (service cards) */
  --ink:#1A1613;         /* warm near-black */
  --ink-1:#575149;       /* muted body text */
  --ink-2:#78726A;       /* faint labels / metadata */
  --line:rgba(26,22,19,.10);
  --line-1:rgba(26,22,19,.16);
  --accent:#E8480C;      /* fills, buttons, rules */
  --accent-1:#B23A08;    /* accent-colored TEXT on light (AA) */
  --dot:rgba(26,22,19,.05);
  --sans:'Inter',-apple-system,BlinkMacSystemFont,'Segoe UI',Roboto,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,'SF Mono',Menlo,monospace;
  --maxw:1080px;
  --gutter:clamp(20px,5vw,48px);
}
*{box-sizing:border-box}
html,body{margin:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--ink);font-family:var(--sans);
  font-size:16px;line-height:1.6;-webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
a{color:inherit;text-decoration:none}
::selection{background:var(--accent);color:#fff}
.wrap{max-width:var(--maxw);margin:0 auto;padding-inline:var(--gutter);border-inline:1px solid var(--line)}
@media(max-width:1140px){.wrap{border-inline:0}}
.mono{font-family:var(--mono)}
h1,h2,h3{margin:0;font-weight:700;letter-spacing:-.02em;text-wrap:balance;line-height:1.08}
p{margin:0}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}

/* buttons */
.btn{
  display:inline-flex;align-items:baseline;gap:6px;font-weight:600;font-size:15px;
  padding:14px 22px;border:1px solid transparent;cursor:pointer;
  transition:background .15s ease,border-color .15s ease,color .15s ease,transform .15s ease;
  white-space:nowrap;
}
.btn .num{font-family:var(--mono);font-weight:600;font-size:14px;letter-spacing:.02em}
.btn--primary{background:var(--accent);color:#fff}
.btn--primary:hover{background:#d2420b;transform:translateY(-1px)}
.btn--ghost{border-color:var(--line-1);color:var(--ink)}
.btn--ghost:hover{border-color:var(--ink);background:rgba(26,22,19,.04)}
.btn--sm{padding:10px 16px;font-size:14px}

/* header */
header.site{
  position:sticky;top:env(safe-area-inset-top,0px);z-index:50;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:20px;height:64px}
.brand{font-weight:700;letter-spacing:-.01em;font-size:17px;position:relative;z-index:2}
.nav-links{display:flex;gap:28px;font-size:14px;color:var(--ink-1)}
.nav-links a{transition:color .15s}
.nav-links a:hover{color:var(--ink)}
.nav-cta{display:flex;align-items:center;gap:14px}
.nav-phone{font-family:var(--mono);font-size:14px;color:var(--ink);font-weight:500}
.nav-toggle{display:none;position:relative;z-index:2;flex-direction:column;justify-content:center;align-items:center;gap:5px;
  width:42px;height:42px;padding:0;background:transparent;border:0;cursor:pointer}
.nav-toggle span{display:block;width:19px;height:2px;background:var(--ink);
  transition:transform .22s ease,opacity .18s ease}
header.site[data-open] .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
header.site[data-open] .nav-toggle span:nth-child(2){opacity:0}
header.site[data-open] .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
header.site[data-open] ~ .callbar{display:none}
@media(max-width:860px){
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .nav-links{
    position:fixed;inset:0;z-index:1;display:none;
    flex-direction:column;justify-content:center;align-items:center;gap:4px;
    background:var(--bg);
    padding:calc(72px + env(safe-area-inset-top,0px)) var(--gutter) 32px;
  }
  header.site[data-open] .nav-links{display:flex}
  .nav-links a{font-size:clamp(32px,10vw,46px);font-weight:700;letter-spacing:-.02em;
    color:var(--ink);padding:12px 0;text-align:center}
  .nav-links a:hover{color:var(--accent)}
}

/* hero */
.hero{position:relative;border-bottom:1px solid var(--line);
  background-image:radial-gradient(var(--dot) 1.1px,transparent 1.7px);
  background-size:24px 24px}
.hero .wrap{position:relative;padding-block:clamp(52px,9vw,104px)}
.hero h1{font-size:clamp(32px,5.4vw,56px);max-width:16ch}
.hero .lede{font-size:clamp(16px,1.7vw,19px);color:var(--ink-1);margin-top:22px;max-width:56ch}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}

/* section frame */
section{border-bottom:1px solid var(--line)}
.sec{padding-block:clamp(52px,8vw,92px)}
.sec-head{margin-bottom:clamp(30px,4vw,48px);max-width:60ch}
.sec-head h2{font-size:clamp(25px,3.6vw,38px)}
.sec-head p{color:var(--ink-1);margin-top:16px;font-size:17px}

/* obligation band */
.oblig{position:relative}
.oblig .grid2{display:grid;grid-template-columns:1.35fr 1fr;gap:clamp(24px,4vw,52px);align-items:start}
.oblig h2{font-size:clamp(24px,3.4vw,34px);max-width:18ch}
.oblig p{color:var(--ink-1);margin-top:18px;max-width:52ch}
.oblig .accent-word{color:var(--accent)}
.callout{background:var(--accent);color:#fff;padding:28px}
.callout .k{font-family:var(--mono);font-size:11.5px;letter-spacing:.12em;
  text-transform:uppercase;color:rgba(255,255,255,.8);margin-bottom:12px}
.callout p{color:rgba(255,255,255,.92);font-size:15px;margin:0}
.callout .big{font-family:var(--mono);color:#fff;font-size:22px;font-weight:600;
  display:block;margin:4px 0 12px}
@media(max-width:760px){.oblig .grid2{grid-template-columns:1fr}}

/* services grid */
.svc-grid{
  display:grid;grid-template-columns:1fr 1fr;
  gap:1px;padding:1px;background:var(--line-1);
}
.svc{
  display:flex;flex-direction:column;
  background:var(--bg);padding:clamp(24px,3vw,34px);
  transition:background .18s;
}
.svc:hover{background:var(--bg-1)}
.svc-badge{
  align-self:flex-start;font-family:var(--mono);font-size:12px;font-weight:600;
  letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--accent);
  padding:4px 10px;
}
.svc h3{font-size:19px;letter-spacing:-.01em;margin-top:16px}
.svc p{color:var(--ink-1);margin-top:12px;font-size:15px;line-height:1.6}
@media(max-width:680px){.svc-grid{grid-template-columns:1fr}}

/* coverage map */
.cov-grid{display:grid;grid-template-columns:0.82fr 1.18fr;gap:clamp(28px,5vw,64px);align-items:center}
.cov-intro h2{font-size:clamp(25px,3.6vw,38px)}
.cov-intro p{color:var(--ink-1);margin-top:16px;font-size:17px;max-width:34ch}
.map{position:relative;width:100%;overflow:visible}
.map-svg{display:block;width:100%;height:auto}
.pin{position:absolute;transform:translate(-50%,-100%);z-index:2;line-height:0}
.pin-ico{display:block;width:22px;height:22px;filter:drop-shadow(0 1px 1.5px rgba(0,0,0,.18))}
.pin-ico path{fill:var(--accent)}
.pin-ico circle{fill:var(--bg)}
.pin b{position:absolute;top:2px;left:23px;white-space:nowrap;line-height:1.2;
  font-family:var(--mono);font-size:11.5px;font-weight:500;color:var(--ink);
  text-shadow:0 0 3px var(--bg),0 0 3px var(--bg),0 0 6px var(--bg)}
.pin--l b{left:auto;right:23px;text-align:right}
.pin--lead{z-index:3}
.pin--lead b{font-weight:700}
.map-list{grid-column:1/-1;display:none;margin-top:8px;text-align:center;line-height:1.9;
  font-family:var(--mono);font-size:13px;color:var(--ink-1)}
.map-list b{color:var(--ink)}
@media(max-width:820px){.cov-grid{grid-template-columns:1fr}}
@media(max-width:560px){.pin b{display:none}.map-list{display:block}}

/* about */
.about .grid2{display:grid;grid-template-columns:1.3fr 1fr;gap:clamp(28px,5vw,64px);align-items:start}
.about p{color:var(--ink-1);margin-top:18px;max-width:56ch}
.about p b{color:var(--ink);font-weight:600}
.titleblock{border:1px solid var(--line-1);background:var(--bg)}
.titleblock .tb-h{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-2);padding:13px 18px;border-bottom:1px solid var(--line)}
.tb-row{display:flex;justify-content:space-between;gap:16px;padding:13px 18px;
  border-bottom:1px solid var(--line);font-family:var(--mono);font-size:13px}
.tb-row:last-child{border-bottom:0}
.tb-row .k{color:var(--ink-2)}
.tb-row .v{color:var(--ink);text-align:right}
@media(max-width:760px){.about .grid2{grid-template-columns:1fr}}

/* final cta — full accent */
.final{background:var(--accent);color:#fff}
.final .wrap{text-align:center;padding-block:clamp(56px,8vw,96px);border-inline-color:rgba(255,255,255,.22)}
.final h2{font-size:clamp(28px,4.4vw,46px);max-width:20ch;margin:0 auto;color:#fff}
.final p{color:rgba(255,255,255,.9);margin:20px auto 0;max-width:50ch;font-size:17px}
.final .cta-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:34px}
.final .btn--primary{background:#fff;color:var(--accent)}
.final .btn--primary:hover{background:rgba(255,255,255,.9);transform:translateY(-1px)}
.final .btn--ghost{border-color:rgba(255,255,255,.55);color:#fff}
.final .btn--ghost:hover{border-color:#fff;background:rgba(255,255,255,.12)}

/* footer */
footer.site{
  background-color:var(--bg);
  background-image:radial-gradient(var(--dot) 1.1px,transparent 1.7px);
  background-size:24px 24px;
}
.foot-main{padding-block:clamp(36px,5vw,52px)}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:clamp(24px,4vw,48px)}
.foot-brand .brand{margin-bottom:16px}
.foot-brand p{color:var(--ink-2);font-size:13.5px;max-width:36ch;font-family:var(--mono);line-height:1.7}
.foot-col h4{font-family:var(--mono);font-size:11px;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-2);margin:0 0 14px;font-weight:500}
.foot-col a,.foot-col p{display:block;color:var(--ink-1);font-size:14px;margin-bottom:9px}
.foot-col a:hover{color:var(--accent-1)}
.foot-legal{border-top:1px solid var(--line);background:var(--bg);
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px 24px;
  padding:16px var(--gutter);
  font-family:var(--mono);font-size:11.5px;color:var(--ink-2)}
@media(max-width:760px){.foot-grid{grid-template-columns:1fr 1fr}.foot-brand{grid-column:1/-1}}
@media(max-width:480px){.foot-grid{grid-template-columns:1fr}}

/* mobile sticky call bar */
.callbar{
  position:fixed;left:0;right:0;bottom:0;z-index:60;display:none;
  padding:12px var(--gutter) calc(12px + env(safe-area-inset-bottom,0px));
  background:var(--accent);border-top:1px solid rgba(0,0,0,.14);
}
.callbar a{display:flex;width:100%;justify-content:center}
.callbar .btn--primary{background:#fff;color:var(--accent)}
.callbar .btn--primary:hover{background:rgba(255,255,255,.92);transform:none}
@media(max-width:860px){.callbar{display:block}footer.site{padding-bottom:100px}}

@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}