/* ============================================================
   GEM PAVERS — gempavers.net
   Palette: charcoal / concrete / logo red #EA3223 / amaretto sand
   Type: Archivo (display + body), IBM Plex Mono (specs)
   ============================================================ */
:root{
  --ink:#1E1B18;
  --ink2:#272320;
  --paper:#EAE8E3;
  --paper2:#F3F2EE;
  --line:#D5D2CA;
  --line-dark:#3B3630;
  --red:#EA3223;
  --sand:#C7AD87;
  --muted:#6E6961;
  --muted-dark:#A6A098;
  --radius:2px;
  --gap:16px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'Archivo',system-ui,sans-serif;
  background:var(--paper);
  color:var(--ink);
  line-height:1.6;
  font-size:16px;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}
:focus-visible{outline:2px solid var(--red);outline-offset:3px}
.container{max-width:1180px;margin:0 auto;padding:0 24px}

/* ---------- type ---------- */
h1,h2,h3{font-weight:900;text-transform:uppercase;letter-spacing:-.01em;line-height:1.04}
h1{font-size:clamp(2.4rem,6.5vw,4.8rem)}
h2{font-size:clamp(1.7rem,3.6vw,2.6rem)}
h3{font-size:1.05rem;letter-spacing:.02em}
.mono{font-family:'IBM Plex Mono',monospace}
.eyebrow{
  font-family:'IBM Plex Mono',monospace;
  font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--red);display:flex;align-items:center;gap:12px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:34px;height:2px;background:var(--red);flex:none}
.lead{font-size:1.08rem;color:var(--muted);max-width:56ch}
.on-dark .lead{color:var(--muted-dark)}

/* chalk line — signature rule */
.chalk{position:relative;height:2px;background:var(--red);width:88px;margin:26px 0}
.chalk::after{content:"";position:absolute;right:-1px;top:-4px;width:2px;height:10px;background:var(--red)}

/* coursing divider — running-bond strip */
.coursing{height:18px;background:
  repeating-linear-gradient(90deg,var(--line-dark) 0 46px,transparent 46px 48px),
  repeating-linear-gradient(90deg,transparent 0 23px,transparent 23px 24px);
  background-color:var(--ink2);
  background-position:0 0, 24px 0;
  border-top:2px solid var(--ink);border-bottom:2px solid var(--ink);
}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:10px;
  font-family:'IBM Plex Mono',monospace;font-size:.8rem;font-weight:500;
  letter-spacing:.1em;text-transform:uppercase;
  background:var(--red);color:#fff;padding:15px 26px;border:2px solid var(--red);
  border-radius:var(--radius);cursor:pointer;transition:background .18s,color .18s;
}
.btn:hover{background:#C9251A;border-color:#C9251A}
.btn.ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.on-dark .btn.ghost{color:var(--paper);border-color:var(--paper)}
.on-dark .btn.ghost:hover{background:var(--paper);color:var(--ink)}
.btn.sm{padding:10px 18px;font-size:.72rem}

/* ---------- spec plates ---------- */
.spec{
  display:inline-flex;align-items:center;gap:8px;
  font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.08em;
  border:1px solid currentColor;padding:4px 10px;border-radius:var(--radius);
  text-transform:uppercase;white-space:nowrap;
}
.chip{
  font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.05em;
  background:var(--paper2);border:1px solid var(--line);
  padding:6px 10px;border-radius:var(--radius);text-transform:uppercase;
}
.on-dark .chip{background:var(--ink2);border-color:var(--line-dark);color:var(--muted-dark)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--ink);
  border-bottom:1px solid var(--line-dark);
}
.site-header .container{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo img{height:36px;width:auto}
.nav{display:flex;align-items:center;gap:30px}
.nav a{
  font-family:'IBM Plex Mono',monospace;font-size:.74rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted-dark);padding:6px 0;
  border-bottom:2px solid transparent;transition:color .15s;
}
.nav a:hover{color:#fff}
.nav a.active{color:#fff;border-bottom-color:var(--red)}
.nav .btn{margin-left:8px}
.nav-toggle{display:none;background:none;border:1px solid var(--line-dark);color:var(--paper);
  font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.12em;
  text-transform:uppercase;padding:9px 14px;border-radius:var(--radius);cursor:pointer}

/* ---------- hero ---------- */
.hero{
  position:relative;min-height:88vh;display:flex;align-items:flex-end;
  background:var(--ink);color:var(--paper);overflow:hidden;
}
.hero .bg{position:absolute;inset:0;background-size:cover;background-position:center}
.hero::after{content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(30,27,24,.42) 0%,rgba(30,27,24,.18) 40%,rgba(30,27,24,.9) 100%)}
.hero .container{position:relative;z-index:2;padding-bottom:72px;padding-top:140px}
.hero h1{max-width:15ch}
.hero .lead{color:#D9D5CE;margin-top:20px}
.hero .actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero .scroll-hint{
  position:absolute;right:24px;bottom:26px;z-index:2;
  font-family:'IBM Plex Mono',monospace;font-size:.66rem;letter-spacing:.22em;
  text-transform:uppercase;color:var(--muted-dark);writing-mode:vertical-rl;
}

/* page hero (interior pages) */
.page-hero{background:var(--ink);color:var(--paper);padding:84px 0 56px}
.page-hero .lead{color:var(--muted-dark);margin-top:14px}
.crumbs{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--muted-dark);margin-bottom:22px}
.crumbs a:hover{color:#fff}

/* ---------- sections ---------- */
.section{padding:88px 0}
.section.dark{background:var(--ink);color:var(--paper)}
.section.dark2{background:var(--ink2);color:var(--paper)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:46px;flex-wrap:wrap}

/* stats band */
.stats{background:var(--ink2);color:var(--paper);border-top:1px solid var(--line-dark);border-bottom:1px solid var(--line-dark)}
.stats .container{display:grid;grid-template-columns:repeat(4,1fr);gap:0}
.stat{padding:34px 26px;border-left:1px solid var(--line-dark)}
.stat:first-child{border-left:none}
.stat b{font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:1.9rem;display:block;color:#fff}
.stat span{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted-dark)}

/* split media section */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:64px;align-items:center}
.split .media{position:relative}
.split .media img{border:1px solid var(--line-dark);border-radius:var(--radius)}
.split .media .tag{
  position:absolute;left:14px;bottom:14px;background:var(--ink);color:var(--paper);
  font-family:'IBM Plex Mono',monospace;font-size:.66rem;letter-spacing:.14em;
  text-transform:uppercase;padding:8px 12px;border-radius:var(--radius);
}
.ticks{list-style:none;margin-top:26px;display:grid;gap:12px}
.ticks li{display:flex;gap:12px;align-items:baseline;color:var(--muted)}
.on-dark .ticks li,.section.dark .ticks li{color:var(--muted-dark)}
.ticks li::before{content:"—";color:var(--red);font-weight:700;flex:none}

/* ---------- product grid (running-bond stagger) ---------- */
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.grid.stagger > :nth-child(3n+2){transform:translateY(26px)}
.card{
  background:var(--paper2);border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;transition:transform .18s,box-shadow .18s;
}
.section.dark .card,.section.dark2 .card{background:var(--ink2);border-color:var(--line-dark)}
.card:hover{transform:translateY(-4px) !important;box-shadow:0 14px 34px rgba(20,17,14,.16)}
.grid.stagger > :nth-child(3n+2).card:hover{transform:translateY(22px)}
.card .ph{aspect-ratio:4/3;overflow:hidden;border-bottom:2px solid var(--red)}
.card .ph img{width:100%;height:100%;object-fit:cover;transition:transform .35s}
.card:hover .ph img{transform:scale(1.045)}
.card .body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.card h3{font-size:1.15rem}
.section.dark .card h3,.section.dark2 .card h3{color:var(--paper)}
.card .meta{display:flex;flex-wrap:wrap;gap:8px}
.card .foot{margin-top:auto;display:flex;justify-content:space-between;align-items:center;
  font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.1em;text-transform:uppercase;color:var(--muted)}
.section.dark .card .foot,.section.dark2 .card .foot{color:var(--muted-dark)}
.card .foot .go{color:var(--red)}

/* filter tabs */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:40px}
.tab{
  font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.1em;text-transform:uppercase;
  border:1px solid var(--line);background:var(--paper2);color:var(--muted);
  padding:10px 18px;border-radius:var(--radius);cursor:pointer;transition:all .15s;
}
.tab:hover{border-color:var(--ink);color:var(--ink)}
.tab.active{background:var(--ink);border-color:var(--ink);color:#fff}

/* thickness guide */
.thick{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.thick article{border:1px solid var(--line-dark);border-top:3px solid var(--red);
  border-radius:var(--radius);padding:30px 26px;background:var(--ink2)}
.thick b{font-family:'IBM Plex Mono',monospace;font-weight:500;font-size:2.3rem;color:#fff;display:block}
.thick i{font-family:'IBM Plex Mono',monospace;font-style:normal;font-size:.68rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--red)}
.thick h3{margin:14px 0 8px;color:var(--paper)}
.thick p{color:var(--muted-dark);font-size:.95rem}

/* specialty list */
.spec-list{border-top:1px solid var(--line)}
.spec-row{display:grid;grid-template-columns:56px 1fr 2fr auto;gap:24px;align-items:center;
  padding:26px 4px;border-bottom:1px solid var(--line)}
.spec-row .n{font-family:'IBM Plex Mono',monospace;color:var(--red);font-size:.8rem}
.spec-row h3{font-size:1.2rem}
.spec-row p{color:var(--muted);font-size:.95rem}
.spec-row .go{font-family:'IBM Plex Mono',monospace;font-size:.72rem;letter-spacing:.12em;
  text-transform:uppercase;color:var(--red);white-space:nowrap}

/* two-tile band */
.tiles{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.tile{position:relative;border-radius:var(--radius);overflow:hidden;min-height:380px;display:flex;align-items:flex-end;border:1px solid var(--line-dark)}
.tile img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(30,27,24,0) 35%,rgba(30,27,24,.88))}
.tile .body{position:relative;z-index:2;padding:28px;color:var(--paper)}
.tile .body p{color:var(--muted-dark);font-size:.95rem;margin:8px 0 14px;max-width:42ch}

/* testimonial */
.quote{max-width:820px;margin:0 auto;text-align:center}
.quote blockquote{font-size:clamp(1.25rem,2.6vw,1.7rem);font-weight:700;line-height:1.35}
.quote cite{display:block;margin-top:22px;font-style:normal;font-family:'IBM Plex Mono',monospace;
  font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted)}

/* CTA band */
.cta-band{background:var(--red);color:#fff}
.cta-band .container{display:flex;align-items:center;justify-content:space-between;gap:30px;padding-top:64px;padding-bottom:64px;flex-wrap:wrap}
.cta-band h2{max-width:16ch}
.cta-band .btn{background:#fff;color:var(--ink);border-color:#fff}
.cta-band .btn:hover{background:var(--ink);color:#fff;border-color:var(--ink)}
.cta-band .mono-note{font-family:'IBM Plex Mono',monospace;font-size:.78rem;letter-spacing:.08em;margin-top:12px;opacity:.9}

/* ---------- gallery ---------- */
.masonry{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.masonry figure{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line)}
.masonry img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;transition:transform .35s}
.masonry figure:hover img{transform:scale(1.04)}
.masonry figcaption{position:absolute;left:0;right:0;bottom:0;padding:14px 16px;
  background:linear-gradient(180deg,transparent,rgba(30,27,24,.85));color:var(--paper);
  font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.14em;text-transform:uppercase}

/* ---------- product detail ---------- */
.pd{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}
.pd .main-img{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;border-bottom:3px solid var(--red)}
.pd .thumbs{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-top:10px}
.pd .thumbs button{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;cursor:pointer;padding:0;background:none}
.pd .thumbs button.active{border-color:var(--red)}
.pd .thumbs img{aspect-ratio:4/3;object-fit:cover;width:100%}
.pd .info .meta{display:flex;flex-wrap:wrap;gap:8px;margin:18px 0 6px}
.pd .info h1{font-size:clamp(2rem,4.2vw,3.2rem)}
.pd .info .desc{color:var(--muted);margin-top:14px}
.pd .colors{margin-top:26px}
.pd .colors h3{margin-bottom:12px}
.pd .colors .chips{display:flex;flex-wrap:wrap;gap:8px}
.pd .actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.kv{margin-top:26px;border-top:1px solid var(--line)}
.kv div{display:grid;grid-template-columns:170px 1fr;gap:16px;padding:12px 2px;border-bottom:1px solid var(--line);font-size:.92rem}
.kv dt{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);align-self:center}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:56px;align-items:start}
.info-cards{display:grid;gap:14px}
.info-card{border:1px solid var(--line);border-left:3px solid var(--red);background:var(--paper2);
  border-radius:var(--radius);padding:20px 22px}
.info-card h3{font-size:.95rem;margin-bottom:6px}
.info-card p,.info-card a{color:var(--muted);font-size:.95rem}
.info-card a:hover{color:var(--red)}
form.quote{display:grid;gap:16px}
form.quote .row{display:grid;grid-template-columns:1fr 1fr;gap:16px}
label{font-family:'IBM Plex Mono',monospace;font-size:.68rem;letter-spacing:.14em;
  text-transform:uppercase;color:var(--muted);display:grid;gap:8px}
input,textarea,select{
  font-family:'Archivo',sans-serif;font-size:.98rem;color:var(--ink);
  background:var(--paper2);border:1px solid var(--line);border-radius:var(--radius);
  padding:13px 14px;width:100%;
}
input:focus,textarea:focus{outline:2px solid var(--red);outline-offset:0;border-color:var(--red)}
textarea{min-height:130px;resize:vertical}
.map{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;margin-top:64px}
.map iframe{width:100%;height:380px;border:0;display:block}

/* ---------- prose (legal) ---------- */
.prose{max-width:760px}
.prose h2{font-size:1.25rem;margin:38px 0 12px}
.prose p,.prose li{color:var(--muted);margin-bottom:12px}
.prose ul{padding-left:20px}

/* ---------- footer ---------- */
footer{background:var(--ink);color:var(--paper);border-top:2px solid var(--red)}
.foot-main{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 48px}
.foot-main img{height:34px;margin-bottom:18px}
.foot-main p{color:var(--muted-dark);font-size:.92rem;max-width:34ch}
.foot-main h4{font-family:'IBM Plex Mono',monospace;font-size:.7rem;letter-spacing:.18em;
  text-transform:uppercase;color:var(--red);margin-bottom:16px}
.foot-main ul{list-style:none;display:grid;gap:10px}
.foot-main a{color:var(--muted-dark);font-size:.92rem}
.foot-main a:hover{color:#fff}
.foot-main address{font-style:normal;color:var(--muted-dark);font-size:.92rem;display:grid;gap:10px}
.foot-base{border-top:1px solid var(--line-dark);padding:20px 0;display:flex;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-family:'IBM Plex Mono',monospace;font-size:.66rem;
  letter-spacing:.1em;text-transform:uppercase;color:var(--muted-dark)}
.foot-base a:hover{color:#fff}

/* ---------- reveal ---------- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .reveal{opacity:1;transform:none;transition:none}
  .card,.card .ph img,.masonry img{transition:none}
}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .split,.pd,.contact-grid{grid-template-columns:1fr;gap:40px}
  .grid,.thick,.masonry{grid-template-columns:repeat(2,1fr)}
  .grid.stagger > :nth-child(3n+2){transform:none}
  .grid.stagger > :nth-child(2n){transform:translateY(22px)}
  .stats .container{grid-template-columns:repeat(2,1fr)}
  .stat{border-left:none;border-top:1px solid var(--line-dark)}
  .spec-row{grid-template-columns:40px 1fr;gap:8px 18px}
  .spec-row p{grid-column:2}
  .spec-row .go{grid-column:2;justify-self:start}
  .foot-main{grid-template-columns:1fr 1fr}
}
@media (max-width:860px){
  .nav{position:fixed;inset:72px 0 auto 0;background:var(--ink);flex-direction:column;
    align-items:flex-start;padding:26px 24px 32px;gap:20px;border-bottom:1px solid var(--line-dark);
    transform:translateY(-130%);transition:transform .25s;z-index:50}
  .nav.open{transform:none}
  .nav-toggle{display:block}
  @media (prefers-reduced-motion:reduce){.nav{transition:none}}
}
@media (max-width:640px){
  .grid,.thick,.masonry,.tiles,form.quote .row{grid-template-columns:1fr}
  .grid.stagger > *{transform:none !important}
  .hero{min-height:76vh}
  .hero .scroll-hint{display:none}
  .stats .container{grid-template-columns:1fr 1fr}
  .pd .thumbs{grid-template-columns:repeat(4,1fr)}
}