/* ============================================================
   Hidroizolacija.com — design system
   Concept: "Barijera" — the black membrane between water and home.
   Palette drawn from the craft: asphalt/bitumen black, torch-flame
   orange (signature), concrete grey, hydro-teal (the enemy: water).
   ============================================================ */

/* ---------- Fonts ---------- */
/* Lokalni fontovi (self-hosted, subset: latinica + srpski znakovi) */
@font-face{font-family:'Archivo';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/archivo-600.woff2') format('woff2');}
@font-face{font-family:'Archivo';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/archivo-700.woff2') format('woff2');}
@font-face{font-family:'Archivo';font-style:normal;font-weight:800;font-display:swap;src:url('../fonts/archivo-800.woff2') format('woff2');}
@font-face{font-family:'Archivo';font-style:normal;font-weight:900;font-display:swap;src:url('../fonts/archivo-900.woff2') format('woff2');}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/inter-400.woff2') format('woff2');}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/inter-500.woff2') format('woff2');}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url('../fonts/inter-600.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:400;font-display:swap;src:url('../fonts/jetbrains-mono-400.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:500;font-display:swap;src:url('../fonts/jetbrains-mono-500.woff2') format('woff2');}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:700;font-display:swap;src:url('../fonts/jetbrains-mono-700.woff2') format('woff2');}

/* ---------- Tokens ---------- */
:root{
  /* surfaces */
  --asphalt:      #16181A;   /* bitumen membrane — primary dark */
  --asphalt-2:    #1E2124;   /* raised dark surface */
  --asphalt-3:    #282C30;   /* hairline / border on dark */
  --paper:        #F4F5F6;   /* cool concrete white */
  --concrete:     #E4E5E7;   /* concrete grey */
  --concrete-2:   #D3D5D8;

  /* ink */
  --ink:          #16181A;
  --ink-muted:    #5B6165;
  --ink-faint:    #878D91;
  --on-dark:      #ECEAE6;
  --on-dark-muted:#9AA0A3;

  /* accents */
  --flame:        #EA5A1B;   /* torch flame — signature */
  --flame-deep:   #C6410C;
  --ember:        #F49A3C;   /* amber highlight */
  --hydro:        #1C6E7C;   /* water — used sparingly */

  /* type */
  --display: 'Archivo', system-ui, sans-serif;
  --wide: 'Archivo', system-ui, sans-serif;
  --body: 'Inter', system-ui, sans-serif;
  --mono: 'JetBrains Mono', ui-monospace, monospace;

  /* metrics */
  --wrap: 1200px;
  --gutter: clamp(20px, 5vw, 64px);
  --radius: 3px;
  --seam: 3px;

  --ease: cubic-bezier(.22,.61,.36,1);
}

/* ---------- Reset ---------- */
*,*::before,*::after{ box-sizing:border-box; }
html{ -webkit-text-size-adjust:100%; scroll-behavior:smooth; }
@media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }
body{
  margin:0;
  font-family:var(--body);
  font-size:17px;
  line-height:1.65;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{ display:block; max-width:100%; height:auto; }
a{ color:inherit; text-decoration:none; }
h1,h2,h3,h4{ margin:0; font-family:var(--display); font-weight:800; line-height:1.03; letter-spacing:-.02em; }
p{ margin:0 0 1em; }
ul{ margin:0; padding:0; list-style:none; }

/* ---------- Layout helpers ---------- */
.wrap{ width:100%; max-width:var(--wrap); margin-inline:auto; padding-inline:var(--gutter); }
.section{ padding-block:clamp(64px,9vw,120px); }
.section--tight{ padding-block:clamp(44px,6vw,72px); }

/* eyebrow — mono utility label (blueprint feel) */
.eyebrow{
  font-family:var(--mono);
  font-size:12.5px;
  font-weight:500;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--flame);
  display:inline-flex;
  align-items:center;
  gap:.7em;
  margin:0 0 22px;
}
.eyebrow::before{
  content:"";
  width:26px; height:2px;
  background:var(--flame);
  display:inline-block;
}
.eyebrow--onlight{ color:var(--flame-deep); }

.section-head{ max-width:760px; margin-bottom:clamp(36px,5vw,60px); }
.section-head h2{
  font-size:clamp(30px,5vw,52px);
}
.section-head p{ color:var(--ink-muted); font-size:clamp(17px,2vw,19px); margin-top:18px; max-width:60ch; }

/* ---------- Signature: strata (layer cross-section) ---------- */
.strata{ display:flex; flex-direction:column; width:100%; }
.strata__layer{
  position:relative;
  display:flex; align-items:center; gap:16px;
  padding:14px 18px;
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.04em;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.strata__layer:last-child{ border-bottom:0; }
.strata__n{ color:var(--flame); font-weight:700; }
.strata__name{ color:var(--on-dark); font-weight:500; text-transform:uppercase; letter-spacing:.1em; }
.strata__desc{ color:var(--on-dark-muted); margin-left:auto; text-align:right; }

/* ---------- Buttons ---------- */
.btn{
  --bg:var(--flame-deep); --fg:#fff;   /* flame-deep: white text passes AA (~5:1) */
  display:inline-flex; align-items:center; gap:.6em;
  font-family:var(--display); font-weight:700; font-size:15px;
  letter-spacing:.01em;
  padding:15px 26px;
  background:var(--bg); color:var(--fg);
  border:0; border-radius:var(--radius); cursor:pointer;
  transition:transform .18s var(--ease), background .2s var(--ease), box-shadow .2s var(--ease);
}
.btn:hover{ background:#A6350A; transform:translateY(-2px); box-shadow:0 10px 30px -10px rgba(198,65,12,.55); }
.btn:focus-visible{ outline:3px solid var(--ember); outline-offset:2px; }
.btn--ghost{
  --bg:transparent; --fg:var(--on-dark);
  border:1px solid var(--asphalt-3);
}
.btn--ghost:hover{ background:rgba(255,255,255,.05); border-color:rgba(255,255,255,.28); box-shadow:none; }
.btn--dark{ --bg:var(--asphalt); --fg:#fff; }
.btn--dark:hover{ background:#000; }
.btn--lg{ padding:18px 32px; font-size:16px; }

.btn .arrow{ transition:transform .2s var(--ease); }
.btn:hover .arrow{ transform:translateX(3px); }

/* ---------- Header ---------- */
.site-header{
  position:sticky; top:0; z-index:60;
  background:rgba(20,22,24,.95);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--asphalt-3);
  color:var(--on-dark);
}
.site-header__row{ display:flex; align-items:center; gap:24px; height:70px; }
.brand{ display:flex; align-items:center; gap:12px; font-family:var(--wide); font-weight:800; font-size:19px; letter-spacing:-.01em; color:#fff; }
.brand__mark{
  width:30px; height:30px; flex:none; border-radius:4px;
  background:linear-gradient(150deg,var(--flame),var(--flame-deep));
  position:relative; overflow:hidden;
}
.brand__mark::after{ /* seam line */
  content:""; position:absolute; left:0; right:0; top:52%; height:3px;
  background:var(--asphalt);
}
.brand span{ color:var(--flame); }
.main-nav{ display:flex; align-items:center; gap:4px; margin-left:auto; }
.main-nav a{
  font-size:14.5px; font-weight:500; color:var(--on-dark-muted);
  padding:9px 13px; border-radius:var(--radius); transition:color .18s, background .18s;
}
.main-nav a:hover{ color:#fff; background:rgba(255,255,255,.06); }
.main-nav a.is-active{ color:#fff; }
.header-cta{ margin-left:8px; }
.header-phone{
  display:inline-flex; align-items:center; gap:8px;
  font-family:var(--mono); font-weight:500; font-size:14px; color:#fff;
  padding:9px 14px; border:1px solid var(--asphalt-3); border-radius:var(--radius);
  transition:border-color .2s, background .2s;
}
.header-phone:hover{ border-color:var(--flame); background:rgba(234,90,27,.1); }
.header-phone b{ color:var(--flame); }

.nav-toggle{ display:none; margin-left:auto; background:none; border:1px solid var(--asphalt-3); color:#fff; border-radius:var(--radius); width:44px; height:40px; cursor:pointer; }
.nav-toggle svg{ width:20px; height:20px; margin:auto; }

/* ---------- Hero ---------- */
.hero{ position:relative; background:var(--asphalt); color:var(--on-dark); overflow:hidden; }
.hero__media{ position:absolute; inset:0; }
.hero__media picture,.cta-band__media picture,.gallery picture,.img-strip picture{ display:block; width:100%; height:100%; }
.hero__media img{ width:100%; height:100%; object-fit:cover; opacity:.42; filter:grayscale(.25) contrast(1.05); }
.hero__media::after{
  content:""; position:absolute; inset:0;
  background:
    linear-gradient(180deg, rgba(22,24,26,.55) 0%, rgba(22,24,26,.35) 40%, rgba(22,24,26,.92) 100%),
    linear-gradient(90deg, rgba(22,24,26,.9) 0%, rgba(22,24,26,.25) 60%, rgba(22,24,26,.4) 100%);
}
.hero__inner{ position:relative; z-index:2; padding-block:clamp(70px,13vw,150px); }
.hero__grid{ display:grid; grid-template-columns:minmax(0,1.35fr) minmax(0,.85fr); gap:56px; align-items:end; }
.hero h1{
  font-family:var(--wide);
  font-weight:900;
  font-size:clamp(40px,7.4vw,92px);
  line-height:.96;
  letter-spacing:-.025em;
  text-transform:uppercase;
  color:#fff;
  margin-bottom:26px;
}
.hero h1 .flame{ color:var(--flame); }
.hero__lead{ font-size:clamp(17px,2.1vw,20px); color:var(--on-dark-muted); max-width:52ch; margin-bottom:34px; }
.hero__actions{ display:flex; flex-wrap:wrap; gap:14px; align-items:center; }
.hero__note{ font-family:var(--mono); font-size:12.5px; color:var(--on-dark-muted); letter-spacing:.03em; }

/* strata card in hero */
.hero__strata{
  background:rgba(12,13,14,.5);
  border:1px solid var(--asphalt-3);
  border-radius:6px;
  backdrop-filter:blur(4px);
  overflow:hidden;
}
.hero__strata h3, .hero__strata-title{
  margin:0; font-family:var(--mono); font-size:11.5px; font-weight:500; text-transform:uppercase;
  letter-spacing:.18em; color:var(--on-dark-muted);
  padding:16px 18px 12px; border-bottom:1px solid var(--asphalt-3);
}
.hero__strata h3 b, .hero__strata-title b{ color:var(--flame); font-weight:700; }

/* seam divider */
.seam{ height:var(--seam); background:linear-gradient(90deg,var(--flame),var(--flame-deep)); border:0; margin:0; }

/* stat strip */
.stat-strip{ position:relative; z-index:3; background:var(--asphalt-2); border-top:1px solid var(--asphalt-3); color:var(--on-dark); }
.stat-strip__row{ display:grid; grid-template-columns:repeat(4,1fr); }
.stat{ padding:26px var(--gutter); border-left:1px solid var(--asphalt-3); }
.stat:first-child{ border-left:0; }
.stat__n{ font-family:var(--wide); font-weight:800; font-size:clamp(26px,3.2vw,38px); color:#fff; line-height:1; }
.stat__n .u{ color:var(--flame); }
.stat__l{ font-family:var(--mono); font-size:12px; color:var(--on-dark-muted); letter-spacing:.06em; text-transform:uppercase; margin-top:8px; }

/* ---------- Services grid ---------- */
.svc-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:2px; background:var(--concrete-2); border:1px solid var(--concrete-2); border-radius:6px; overflow:hidden; }
.svc{
  position:relative; background:var(--paper);
  padding:30px 28px 26px; min-height:210px;
  display:flex; flex-direction:column;
  transition:background .2s var(--ease), transform .2s var(--ease);
}
.svc:hover{ background:#fff; }
.svc__k{ font-family:var(--mono); font-size:12px; color:var(--ink-faint); letter-spacing:.06em; }
.svc__icon{ width:34px; height:34px; margin-bottom:18px; color:var(--flame); }
.svc h3{ font-size:22px; font-weight:700; margin:6px 0 10px; letter-spacing:-.01em; }
.svc p{ font-size:15px; color:var(--ink-muted); line-height:1.55; margin:0; }
.svc__more{ margin-top:auto; padding-top:18px; font-family:var(--mono); font-size:12.5px; color:var(--flame-deep); display:inline-flex; align-items:center; gap:6px; }
.svc__more .arrow{ transition:transform .2s var(--ease); }
.svc:hover .svc__more .arrow{ transform:translateX(4px); }
.svc::after{ content:""; position:absolute; left:0; top:0; width:3px; height:0; background:var(--flame); transition:height .25s var(--ease); }
.svc:hover::after{ height:100%; }

/* ---------- Materials ---------- */
.materials{ background:var(--asphalt); color:var(--on-dark); }
.mat-grid{ display:grid; grid-template-columns:repeat(auto-fit,minmax(230px,1fr)); gap:20px; }
.mat{
  border:1px solid var(--asphalt-3); border-radius:6px; padding:24px;
  background:linear-gradient(180deg,var(--asphalt-2),var(--asphalt));
  transition:border-color .2s, transform .2s var(--ease);
}
.mat:hover{ border-color:var(--flame); transform:translateY(-3px); }
.mat__tag{ font-family:var(--mono); font-size:11px; letter-spacing:.14em; text-transform:uppercase; color:var(--flame); }
.mat h3{ font-size:22px; color:#fff; margin:10px 0 8px; }
.mat p{ font-size:14.5px; color:var(--on-dark-muted); margin:0 0 14px; line-height:1.55; }
.mat__spec{ font-family:var(--mono); font-size:12px; color:var(--on-dark-muted); border-top:1px dashed var(--asphalt-3); padding-top:12px; display:flex; justify-content:space-between; }
.mat__spec b{ color:var(--ember); font-weight:500; }

/* ---------- Process ---------- */
.proc{ display:grid; grid-template-columns:repeat(4,1fr); gap:0; border:1px solid var(--concrete-2); border-radius:6px; overflow:hidden; }
.proc__step{ padding:28px 26px; border-left:1px solid var(--concrete-2); position:relative; background:var(--paper); }
.proc__step:first-child{ border-left:0; }
.proc__n{ font-family:var(--wide); font-weight:800; font-size:15px; color:var(--flame); font-family:var(--mono); font-weight:700; letter-spacing:.05em; }
.proc__step h3{ font-size:18px; margin:14px 0 8px; }
.proc__step p{ font-size:14px; color:var(--ink-muted); margin:0; line-height:1.55; }
.proc__bar{ height:3px; background:var(--concrete-2); margin-top:20px; position:relative; }
.proc__bar::after{ content:""; position:absolute; left:0; top:0; height:100%; width:26px; background:var(--flame); }

/* ---------- Gallery ---------- */
.gallery{ display:grid; grid-template-columns:repeat(4,1fr); gap:10px; }
.gallery a{ position:relative; overflow:hidden; border-radius:4px; aspect-ratio:4/3; background:var(--concrete); }
.gallery img{ width:100%; height:100%; object-fit:cover; transition:transform .5s var(--ease); filter:saturate(.95); }
.gallery a:hover img{ transform:scale(1.06); }
.gallery a::after{ content:"+"; position:absolute; right:10px; bottom:6px; font-family:var(--display); font-weight:700; color:#fff; opacity:0; transform:translateY(6px); transition:.2s var(--ease); text-shadow:0 1px 6px rgba(0,0,0,.6); font-size:20px; }
.gallery a:hover::after{ opacity:1; transform:translateY(0); }

/* lightbox */
.lb{ position:fixed; inset:0; z-index:200; background:rgba(10,11,12,.92); display:none; align-items:center; justify-content:center; padding:24px; }
.lb.is-open{ display:flex; }
.lb img{ max-width:min(1100px,94vw); max-height:88vh; border-radius:4px; box-shadow:0 30px 80px -20px rgba(0,0,0,.8); }
.lb__close,.lb__nav{ position:absolute; background:rgba(255,255,255,.08); border:1px solid rgba(255,255,255,.2); color:#fff; width:52px; height:52px; border-radius:50%; cursor:pointer; font-size:22px; display:flex; align-items:center; justify-content:center; transition:.2s; }
.lb__close:hover,.lb__nav:hover{ background:var(--flame); border-color:var(--flame); }
.lb__close{ top:22px; right:22px; }
.lb__nav{ top:50%; transform:translateY(-50%); }
.lb__prev{ left:22px; } .lb__next{ right:22px; }

/* ---------- CTA band ---------- */
.cta-band{ position:relative; background:var(--asphalt); color:#fff; overflow:hidden; }
.cta-band__media{ position:absolute; inset:0; }
.cta-band__media img{ width:100%; height:100%; object-fit:cover; opacity:.24; filter:grayscale(.3); }
.cta-band__media::after{ content:""; position:absolute; inset:0; background:linear-gradient(90deg,var(--asphalt) 20%,rgba(22,24,26,.6)); }
.cta-band__inner{ position:relative; z-index:2; display:grid; grid-template-columns:1.4fr .9fr; gap:40px; align-items:center; }
.cta-band h2{ font-family:var(--wide); font-size:clamp(28px,4.6vw,50px); text-transform:uppercase; color:#fff; line-height:1; }
.cta-band p{ color:var(--on-dark-muted); margin:18px 0 0; max-width:44ch; }
.cta-phone{ font-family:var(--wide); font-weight:800; font-size:clamp(26px,3.4vw,40px); color:#fff; display:block; letter-spacing:-.01em; }
.cta-phone:hover{ color:var(--flame); }
.cta-side{ text-align:right; }
.cta-side .eyebrow{ justify-content:flex-end; }

/* ---------- Contact / form ---------- */
.contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:clamp(28px,4vw,56px); }
.contact-info dt{ font-family:var(--mono); font-size:12px; text-transform:uppercase; letter-spacing:.1em; color:var(--ink-faint); margin-top:22px; }
.contact-info dd{ margin:4px 0 0; font-size:19px; font-weight:600; }
.contact-info dd a:hover{ color:var(--flame-deep); }
.form{ background:#fff; border:1px solid var(--concrete-2); border-radius:8px; padding:clamp(24px,3vw,36px); }
.field{ margin-bottom:18px; }
.field label{ display:block; font-family:var(--mono); font-size:12px; letter-spacing:.06em; text-transform:uppercase; color:var(--ink-muted); margin-bottom:7px; }
.field input,.field textarea{
  width:100%; font-family:var(--body); font-size:16px; color:var(--ink);
  padding:13px 14px; border:1px solid var(--concrete-2); border-radius:var(--radius); background:var(--paper);
  transition:border-color .18s, background .18s;
}
.field input:focus,.field textarea:focus{ outline:none; border-color:var(--flame); background:#fff; box-shadow:0 0 0 3px rgba(234,90,27,.12); }
.field textarea{ resize:vertical; min-height:130px; }
.form__note{ font-size:13px; color:var(--ink-faint); margin-top:4px; }
.alert{ padding:14px 16px; border-radius:var(--radius); font-size:14.5px; margin-bottom:20px; border:1px solid; }
.alert--ok{ background:#eaf6ef; border-color:#bfe3cd; color:#1c6b3c; }
.alert--err{ background:#fdecea; border-color:#f5c6c0; color:#b23025; }

/* ---------- Inner page hero ---------- */
.page-hero{ background:var(--asphalt); color:var(--on-dark); position:relative; overflow:hidden; }
.page-hero::before{ content:""; position:absolute; inset:0; background:radial-gradient(120% 140% at 88% -10%, rgba(234,90,27,.16), transparent 55%); }
.page-hero__inner{ position:relative; z-index:2; padding-block:clamp(48px,8vw,92px); }
.page-hero .crumb{ font-family:var(--mono); font-size:12.5px; color:var(--on-dark-muted); letter-spacing:.04em; margin-bottom:20px; }
.page-hero .crumb a:hover{ color:var(--flame); }
.page-hero h1{ font-family:var(--wide); font-weight:900; text-transform:uppercase; font-size:clamp(32px,5.6vw,66px); color:#fff; letter-spacing:-.02em; max-width:16ch; }
.page-hero .lead{ color:var(--on-dark-muted); font-size:clamp(16px,2vw,19px); max-width:60ch; margin-top:20px; }

/* ---------- Article ---------- */
.article-grid{ display:grid; grid-template-columns:minmax(0,1fr) 300px; gap:clamp(32px,5vw,64px); align-items:start; }
.prose{ font-size:17px; line-height:1.72; color:#2a2e30; }
.prose > h2{ font-size:clamp(19px,2.3vw,23px); margin:1.5em 0 .45em; color:var(--flame-deep); font-family:var(--display); font-weight:700; letter-spacing:-.01em; }
.prose > h2:first-child{ margin-top:0; }
.prose > h3{ font-size:20px; margin:1.4em 0 .4em; color:var(--flame-deep); font-family:var(--display); font-weight:700; }
.prose p{ margin:0 0 1.1em; }
.prose ul{ margin:0 0 1.2em; padding:0; }
.prose ul li{ position:relative; padding-left:26px; margin-bottom:10px; }
.prose ul li::before{ content:""; position:absolute; left:0; top:.62em; width:12px; height:3px; background:var(--flame); }
.prose strong{ color:var(--ink); }
.prose .spec-table{ width:100%; border-collapse:collapse; font-family:var(--mono); font-size:13.5px; margin:1.4em 0; }
.prose .spec-table th,.prose .spec-table td{ text-align:left; padding:11px 12px; border-bottom:1px solid var(--concrete-2); }
.prose .spec-table th{ color:var(--ink-muted); font-weight:500; width:64%; }
.prose .spec-table td{ color:var(--ink); font-weight:500; text-align:right; }

.aside{ position:sticky; top:92px; }
.aside__card{ border:1px solid var(--concrete-2); border-radius:8px; padding:24px; background:#fff; margin-bottom:18px; }
.aside__card h4, .aside__label{ font-size:13px; font-family:var(--mono); text-transform:uppercase; letter-spacing:.1em; color:var(--ink-muted); font-weight:500; margin:0 0 14px; }
.aside__card--dark{ background:var(--asphalt); border-color:var(--asphalt-3); color:#fff; }
.aside__card--dark h4, .aside__card--dark .aside__label{ color:var(--on-dark-muted); }
.aside__card--dark .call{ font-family:var(--wide); font-weight:800; font-size:26px; color:#fff; display:block; margin-bottom:6px; }
.aside__card--dark .call:hover{ color:var(--flame); }
.aside-nav a{ display:flex; justify-content:space-between; align-items:center; gap:10px; padding:10px 0; font-size:14.5px; color:var(--ink-muted); border-bottom:1px solid var(--concrete); transition:color .16s, padding .16s; }
.aside-nav a:last-child{ border-bottom:0; }
.aside-nav a:hover{ color:var(--flame-deep); padding-left:4px; }
.aside-nav a.is-active{ color:var(--ink); font-weight:600; }
.aside-nav a .n{ font-family:var(--mono); font-size:11px; color:var(--ink-muted); }

/* related images row */
.img-strip{ display:grid; grid-template-columns:repeat(3,1fr); gap:10px; margin-top:14px; }
.img-strip a{ aspect-ratio:4/3; overflow:hidden; border-radius:4px; }
.img-strip img{ width:100%; height:100%; object-fit:cover; transition:transform .4s var(--ease); }
.img-strip a:hover img{ transform:scale(1.06); }

/* ---------- Footer ---------- */
.site-footer{ background:#0F1113; color:var(--on-dark-muted); padding-block:clamp(48px,6vw,72px) 30px; border-top:3px solid var(--flame); }
.footer-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:40px; margin-bottom:44px; }
.footer-brand{ font-family:var(--wide); font-weight:800; font-size:22px; color:#fff; margin-bottom:14px; }
.footer-brand span{ color:var(--flame); }
.site-footer h5, .footer-h{ font-family:var(--mono); font-size:12px; text-transform:uppercase; letter-spacing:.12em; color:var(--on-dark-muted); margin:0 0 16px; font-weight:500; }
.footer-links a{ display:block; padding:6px 0; font-size:14.5px; color:var(--on-dark-muted); transition:color .16s, padding .16s; }
.footer-links a:hover{ color:var(--flame); padding-left:4px; }
.footer-note{ font-size:14px; max-width:34ch; }
.footer-call{ font-family:var(--wide); font-weight:800; font-size:24px; color:#fff; display:block; margin:6px 0 14px; }
.footer-call:hover{ color:var(--flame); }
.footer-bottom{ border-top:1px solid #23272A; padding-top:22px; display:flex; flex-wrap:wrap; gap:12px; justify-content:space-between; font-family:var(--mono); font-size:12px; letter-spacing:.03em; }
.footer-badge{ color:var(--flame); }
.footer-credit a{ color:var(--flame); text-decoration:underline; text-underline-offset:2px; }
.footer-credit a:hover{ color:#fff; }

/* ---------- Reveal on scroll ---------- */
.reveal{ opacity:0; transform:translateY(22px); transition:opacity .7s var(--ease), transform .7s var(--ease); }
.reveal.in{ opacity:1; transform:none; }
@media (prefers-reduced-motion: reduce){ .reveal{ opacity:1 !important; transform:none !important; } }

/* ---------- Responsive ---------- */
@media (max-width:980px){
  .hero__grid{ grid-template-columns:1fr; gap:36px; }
  .hero__strata{ max-width:520px; }
  .stat-strip__row{ grid-template-columns:repeat(2,1fr); }
  .stat:nth-child(3){ border-left:0; }
  .stat{ border-top:1px solid var(--asphalt-3); }
  .svc-grid{ grid-template-columns:repeat(2,1fr); }
  .proc{ grid-template-columns:repeat(2,1fr); }
  .proc__step:nth-child(3){ border-left:0; }
  .gallery{ grid-template-columns:repeat(3,1fr); }
  .cta-band__inner{ grid-template-columns:1fr; }
  .cta-side{ text-align:left; } .cta-side .eyebrow{ justify-content:flex-start; }
  .contact-grid{ grid-template-columns:1fr; }
  .article-grid{ grid-template-columns:1fr; }
  .aside{ position:static; }
  .footer-grid{ grid-template-columns:1fr 1fr; gap:28px; }
}
@media (max-width:640px){
  body{ font-size:16px; }
  .main-nav,.header-cta{ display:none; }
  .nav-toggle{ display:flex; }
  .site-header.nav-open .main-nav{
    display:flex; position:absolute; left:0; right:0; top:70px; flex-direction:column; gap:0;
    background:var(--asphalt); border-bottom:1px solid var(--asphalt-3); padding:8px var(--gutter) 18px;
  }
  .site-header.nav-open .main-nav a{ padding:13px 4px; border-bottom:1px solid var(--asphalt-3); border-radius:0; }
  .svc-grid{ grid-template-columns:1fr; }
  .proc{ grid-template-columns:1fr; } .proc__step{ border-left:0; border-top:1px solid var(--concrete-2); } .proc__step:first-child{ border-top:0; }
  .gallery{ grid-template-columns:repeat(2,1fr); }
  .stat-strip__row{ grid-template-columns:1fr 1fr; }
  .footer-grid{ grid-template-columns:1fr; }
  .cta-side{ }
}