/* ============================================================
   THE CAHILL CONSTRUCTION GROUP — v4
   Black · white · gold — architectural system, bracket signature
   ============================================================ */
:root{
  --ink:#101010;
  --carbon:#181817;
  --carbon-2:#222220;
  --paper:#FAFAF7;
  --stone:#E7E5DF;
  --mid:#6E6A64;
  --gold:#A5812F;        /* accent on light backgrounds */
  --gold-bright:#C6A15B; /* accent on dark backgrounds  */
  --gold-light:#DCC08A;  /* labels over imagery          */
  --max:1240px;
  --gutter:clamp(20px,4vw,48px);
  --display:'Archivo',system-ui,sans-serif;
  --body:'Public Sans',system-ui,sans-serif;
  --mono:'IBM Plex Mono',ui-monospace,monospace;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{
  font-family:var(--body);
  background:var(--paper);
  color:var(--ink);
  font-size:16.5px;
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
::selection{background:var(--gold);color:#fff}

/* ---------- type ---------- */
h1,h2,h3,.display{
  font-family:var(--display);
  font-weight:800;
  letter-spacing:-.01em;
  line-height:1.02;
  text-transform:uppercase;
}
h1{font-size:clamp(2.6rem,6.4vw,4.9rem)}
h2{font-size:clamp(1.9rem,4vw,3.1rem)}
h3{font-size:clamp(1.15rem,2vw,1.45rem);line-height:1.15}
.eyebrow{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.22em;
  text-transform:uppercase;
  color:var(--gold);
  display:flex;align-items:center;gap:14px;
  margin-bottom:20px;
}
.eyebrow::before{content:"";width:34px;height:1px;background:var(--gold)}
.eyebrow.centered{justify-content:center}
.eyebrow.centered::after{content:"";width:34px;height:1px;background:var(--gold)}
.section.dark .eyebrow,.hero .eyebrow,.page-hero .eyebrow,.cta-band .eyebrow{color:var(--gold-bright)}
.section.dark .eyebrow::before,.hero .eyebrow::before,.page-hero .eyebrow::before,.cta-band .eyebrow::before,
.section.dark .eyebrow::after,.hero .eyebrow::after,.page-hero .eyebrow::after,.cta-band .eyebrow::after{background:var(--gold-bright)}
.lead{font-size:clamp(1.05rem,1.6vw,1.25rem);color:var(--mid);max-width:62ch}
p+p{margin-top:1em}

/* ---------- layout ---------- */
.wrap{max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.section{padding:clamp(72px,9vw,130px) 0}
.section.tight{padding:clamp(48px,6vw,80px) 0}
.section.dark{background:var(--carbon);color:var(--paper)}
.section.dark .lead{color:#B8B4AD}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:clamp(32px,5vw,72px);align-items:center}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(20px,3vw,36px)}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(18px,2.5vw,28px)}
@media(max-width:920px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.grid-4{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.grid-4{grid-template-columns:1fr}}

/* ---------- signature: corner brackets (from the logo) ---------- */
.bracket{position:relative;display:block}
.bracket::before,.bracket::after{
  content:"";position:absolute;width:36px;height:36px;pointer-events:none;z-index:3;
}
.bracket::before{top:-11px;left:-11px;border-top:3px solid currentColor;border-left:3px solid currentColor}
.bracket::after{bottom:-11px;right:-11px;border-bottom:3px solid currentColor;border-right:3px solid currentColor}
.bracket.on-dark{color:var(--paper)}
.bracket.on-light{color:var(--ink)}
.bracket.gold{color:var(--gold)}

/* ---------- header ---------- */
header.site{
  position:sticky;top:0;z-index:50;
  background:rgba(250,250,247,.95);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--stone);
}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:84px}
.logo{display:flex;flex-direction:column;line-height:1;font-family:var(--display);text-transform:uppercase}
.logo .l1{font-family:var(--mono);font-size:.6rem;letter-spacing:.42em;color:var(--gold)}
.logo .l2{font-weight:800;font-size:1.45rem;letter-spacing:.02em;margin:2px 0}
.logo .l3{font-size:.6rem;font-weight:700;letter-spacing:.34em;background:var(--ink);color:var(--paper);padding:3px 6px 2px;width:max-content}
nav.main{display:flex;gap:30px;align-items:center}
nav.main a{
  font-family:var(--mono);font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;
  padding:6px 0;border-bottom:2px solid transparent;transition:border-color .2s,color .2s;
}
nav.main a:hover,nav.main a[aria-current="page"]{border-color:var(--gold);color:var(--gold)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:10px;
  font-family:var(--mono);font-size:.76rem;letter-spacing:.14em;text-transform:uppercase;
  padding:15px 26px;border:2px solid var(--ink);background:var(--ink);color:var(--paper);
  transition:background .25s,color .25s,border-color .25s;cursor:pointer;
}
.btn:hover{background:var(--gold);border-color:var(--gold);color:#fff}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:var(--paper)}
.btn.on-dark{border-color:var(--paper);background:var(--paper);color:var(--ink)}
.btn.on-dark:hover{background:var(--gold-bright);border-color:var(--gold-bright);color:var(--ink)}
.btn.ghost.on-dark{background:transparent;color:var(--paper)}
.btn.ghost.on-dark:hover{background:var(--paper);color:var(--ink)}
.btn svg{width:15px;height:15px;flex:none}
.nav-cta{display:inline-flex}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px}
.nav-toggle span{display:block;width:26px;height:2px;background:var(--ink);margin:6px 0;transition:.25s}
@media(max-width:1080px){
  nav.main{
    position:fixed;inset:84px 0 auto 0;background:var(--paper);
    flex-direction:column;align-items:flex-start;gap:0;
    border-bottom:1px solid var(--stone);
    padding:10px var(--gutter) 26px;
    transform:translateY(-130%);transition:transform .3s;z-index:49;
  }
  nav.main.open{transform:none}
  nav.main a{padding:13px 0;font-size:.85rem;width:100%;border-bottom:1px solid var(--stone)}
  .nav-toggle{display:block}
  .nav-cta{display:none}
}

/* ---------- hero (centered) ---------- */
.hero{position:relative;min-height:min(90vh,880px);display:flex;align-items:center;justify-content:center;text-align:center;color:var(--paper);isolation:isolate}
.hero img.bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:-2}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;
  background:linear-gradient(180deg,rgba(16,16,16,.66) 0%,rgba(16,16,16,.56) 45%,rgba(16,16,16,.88) 100%)}
.hero .wrap{padding-top:80px;padding-bottom:clamp(56px,7vw,90px);width:100%;display:flex;flex-direction:column;align-items:center}
.hero .eyebrow{justify-content:center}
.hero .eyebrow::after{content:"";width:34px;height:1px;background:var(--gold-bright)}
.hero h1{max-width:16ch;text-wrap:balance}
.hero .lead{color:#DAD6CF;margin:26px auto 34px;max-width:54ch}
.hero-meta{display:flex;gap:clamp(28px,5vw,64px);flex-wrap:wrap;justify-content:center;margin-top:52px;padding-top:28px;border-top:1px solid rgba(250,250,247,.28)}
.hero-meta div{font-family:var(--mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:#B8B4AD;text-align:center}
.hero-meta strong{display:block;font-family:var(--display);font-size:1.7rem;letter-spacing:0;color:var(--gold-light);margin-bottom:4px}
.btn-row{display:flex;gap:16px;flex-wrap:wrap;justify-content:center}

/* ---------- page hero (interior, centered) ---------- */
.page-hero{background:var(--carbon);color:var(--paper);padding:clamp(70px,9vw,120px) 0 clamp(50px,6vw,80px);text-align:center}
.page-hero .wrap{display:flex;flex-direction:column;align-items:center}
.page-hero .eyebrow{justify-content:center}
.page-hero .eyebrow::after{content:"";width:34px;height:1px;background:var(--gold-bright)}
.page-hero h1{max-width:20ch;text-wrap:balance}
.page-hero .lead{color:#B8B4AD;margin-top:22px}
.crumbs{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:#8B867E;margin-bottom:26px}
.crumbs a:hover{color:var(--paper)}
.crumbs span{margin:0 8px;color:var(--gold-bright)}

/* ---------- cards ---------- */
.svc-card{background:#fff;border:1px solid var(--stone);display:flex;flex-direction:column;transition:transform .25s,box-shadow .25s;position:relative}
.svc-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .35s;z-index:2}
.svc-card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(16,16,16,.12)}
.svc-card:hover::before{transform:scaleX(1)}
.svc-card .img{aspect-ratio:4/3;overflow:hidden}
.svc-card .img img{width:100%;height:100%;object-fit:cover;transition:transform .5s}
.svc-card:hover .img img{transform:scale(1.045)}
.svc-card .body{padding:26px 26px 30px;display:flex;flex-direction:column;gap:12px;flex:1}
.svc-card .num{font-family:var(--mono);font-size:.68rem;letter-spacing:.24em;text-transform:uppercase;color:var(--gold)}
.svc-card .body p{color:var(--mid);font-size:.95rem;flex:1}
.svc-card .link{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold);display:inline-flex;gap:8px;align-items:center}
.svc-card .link::after{content:"→";transition:transform .2s}
.svc-card:hover .link::after{transform:translateX(5px)}

/* ---------- projects ---------- */
.proj{position:relative;overflow:hidden;background:var(--carbon);color:var(--paper);display:block}
.proj img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/5;opacity:.94;transition:transform .6s,opacity .4s}
.proj:hover img{transform:scale(1.05);opacity:.6}
.proj .tag{position:absolute;left:0;bottom:0;right:0;padding:24px 22px 20px;background:linear-gradient(0deg,rgba(16,16,16,.92) 0%,rgba(16,16,16,.5) 60%,transparent)}
.proj .tag .t1{font-family:var(--mono);font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold-light)}
.proj .tag .t2{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:1.1rem;margin-top:7px}

/* ---------- process / numbered strip ---------- */
.step{border-top:3px solid var(--ink);padding-top:20px}
.section.dark .step{border-color:var(--paper)}
.step .n{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:var(--gold)}
.section.dark .step .n{color:var(--gold-bright)}
.step h3{margin:10px 0 10px}
.step p{color:var(--mid);font-size:.95rem}
.section.dark .step p{color:#B8B4AD}

/* ---------- accreditation strip ---------- */
.accred{display:grid;grid-template-columns:repeat(5,1fr);gap:1px;background:var(--stone);border:1px solid var(--stone)}
.accred div{background:var(--paper);padding:26px 22px}
.accred .t{font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:.9rem;line-height:1.2;margin-bottom:8px}
.accred .d{font-size:.82rem;color:var(--mid)}
.accred svg{width:22px;height:22px;color:var(--gold);margin-bottom:14px}
@media(max-width:1000px){.accred{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.accred{grid-template-columns:1fr}}

/* ---------- areas ---------- */
.area-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(24px,3vw,44px)}
@media(max-width:860px){.area-cols{grid-template-columns:1fr}}
.area-col h3{border-bottom:3px solid var(--ink);padding-bottom:12px;margin-bottom:16px}
.area-col ul{list-style:none}
.area-col li{padding:9px 0;border-bottom:1px solid var(--stone);font-size:.95rem;display:flex;justify-content:space-between;color:var(--carbon-2)}
.area-col li span{font-family:var(--mono);font-size:.66rem;letter-spacing:.12em;color:var(--gold);text-transform:uppercase}

/* ---------- testimonial ---------- */
.quote-card{background:#fff;border:1px solid var(--stone);border-top:3px solid var(--gold);padding:30px 28px;display:flex;flex-direction:column;gap:16px}
.stars{color:var(--gold);letter-spacing:.24em;font-size:.85rem}
.quote{font-family:var(--display);font-weight:600;text-transform:none;font-size:clamp(1.05rem,1.7vw,1.25rem);line-height:1.4;letter-spacing:-.01em;flex:1}
.quote-src{font-family:var(--mono);font-size:.68rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mid)}

/* ---------- CTA band ---------- */
.cta-band{background:var(--ink);color:var(--paper);text-align:center}
.cta-band .wrap{display:flex;flex-direction:column;align-items:center;padding-top:clamp(64px,8vw,104px);padding-bottom:clamp(64px,8vw,104px)}
.cta-band .eyebrow{justify-content:center}
.cta-band .eyebrow::after{content:"";width:34px;height:1px;background:var(--gold-bright)}
.cta-band h2{max-width:18ch;text-wrap:balance}
.cta-band p{color:#B8B4AD;max-width:52ch;margin-top:18px}
.cta-band .num{font-family:var(--display);font-weight:800;font-size:clamp(1.5rem,3vw,2.2rem);text-transform:uppercase;margin-top:26px;display:block;color:var(--gold-light)}
.cta-band .num:hover{color:#fff}

/* ---------- prose (blog / service body) ---------- */
.prose{max-width:72ch}
.prose h2{font-size:clamp(1.4rem,2.6vw,1.9rem);margin:2.2em 0 .7em}
.prose h3{margin:1.8em 0 .6em}
.prose ul,.prose ol{margin:1em 0 1em 1.2em}
.prose li{margin:.45em 0}
.prose strong{font-weight:700}
.prose a{color:var(--gold);text-decoration:underline}
.prose .callout{border-left:3px solid var(--gold);background:#fff;border-top:1px solid var(--stone);border-right:1px solid var(--stone);border-bottom:1px solid var(--stone);padding:22px 26px;margin:1.8em 0}
.prose .callout p{margin:0;color:var(--carbon-2)}
.prose table{width:100%;border-collapse:collapse;margin:1.5em 0;font-size:.92rem}
.prose th,.prose td{border:1px solid var(--stone);padding:11px 14px;text-align:left}
.prose th{font-family:var(--mono);font-size:.68rem;letter-spacing:.14em;text-transform:uppercase;background:#fff}
.post-meta{font-family:var(--mono);font-size:.7rem;letter-spacing:.16em;text-transform:uppercase;color:var(--mid);display:flex;gap:20px;flex-wrap:wrap}
.post-meta b{color:var(--gold);font-weight:400}
.page-hero .post-meta{justify-content:center;color:#8B867E}
.page-hero .post-meta b{color:var(--gold-bright)}

/* ---------- blog cards ---------- */
.post-card{background:#fff;border:1px solid var(--stone);padding:30px;display:flex;flex-direction:column;gap:14px;transition:transform .25s,box-shadow .25s;position:relative}
.post-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--gold);transform:scaleX(0);transform-origin:left;transition:transform .35s}
.post-card:hover{transform:translateY(-4px);box-shadow:0 18px 44px rgba(16,16,16,.12)}
.post-card:hover::before{transform:scaleX(1)}
.post-card p{color:var(--mid);font-size:.94rem;flex:1}
.post-card .link{font-family:var(--mono);font-size:.72rem;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.post-card .link::after{content:" →"}

/* ---------- FAQ ---------- */
.faq details{border-bottom:1px solid var(--stone)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:22px 0;font-family:var(--display);font-weight:700;text-transform:uppercase;font-size:1rem}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:1.2rem;color:var(--gold);flex:none}
.faq details[open] summary::after{content:"–"}
.faq .a{padding:0 0 24px;color:var(--mid);max-width:70ch}

/* ---------- footer (drawing title block) ---------- */
footer.site{background:var(--ink);color:#B8B4AD;font-size:.9rem}
footer.site .top{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:clamp(28px,4vw,56px);padding:clamp(56px,7vw,84px) 0}
footer.site h4{font-family:var(--mono);font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;color:var(--gold-bright);margin-bottom:18px}
footer.site ul{list-style:none}
footer.site li{margin:9px 0}
footer.site a:hover{color:#fff}
footer.site .flogo{color:var(--paper)}
footer.site .flogo .l1{color:var(--gold-bright)}
footer.site .flogo .l3{background:var(--gold-bright);color:var(--ink)}
footer.site .fdesc{margin-top:18px;font-size:.86rem;max-width:36ch}
.socials{display:flex;gap:12px;margin-top:22px}
.socials a{
  width:42px;height:42px;border:1px solid rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;color:#B8B4AD;
  transition:border-color .25s,color .25s;
}
.socials a:hover{border-color:var(--gold-bright);color:var(--gold-bright)}
.socials svg{width:17px;height:17px;fill:currentColor}
.socials.on-light a{border-color:var(--stone);color:var(--mid)}
.socials.on-light a:hover{border-color:var(--gold);color:var(--gold)}
.titleblock{border-top:1px solid #2C2B28}
.titleblock .wrap{display:flex;flex-wrap:wrap;gap:0}
.titleblock .cell{font-family:var(--mono);font-size:.64rem;letter-spacing:.14em;text-transform:uppercase;padding:16px 22px;border-right:1px solid #2C2B28;color:#7C776F}
.titleblock .cell:first-child{padding-left:0}
.titleblock .cell b{display:block;color:#CFCBC4;font-weight:400;margin-top:3px}
@media(max-width:1000px){footer.site .top{grid-template-columns:1fr 1fr}}
@media(max-width:560px){footer.site .top{grid-template-columns:1fr}.titleblock .cell{border-right:0;padding-left:0;width:100%;border-bottom:1px solid #2C2B28}}

/* ---------- whatsapp float ---------- */
.wa-float{
  position:fixed;right:22px;bottom:22px;z-index:60;
  width:56px;height:56px;border-radius:50%;
  background:#25D366;display:flex;align-items:center;justify-content:center;
  box-shadow:0 10px 28px rgba(0,0,0,.28);transition:transform .2s;
}
.wa-float:hover{transform:scale(1.08)}
.wa-float svg{width:28px;height:28px;fill:#fff}

/* ---------- reveal ---------- */
.rv{opacity:0;transform:translateY(22px);transition:opacity .7s,transform .7s}
.rv.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){.rv{opacity:1;transform:none;transition:none}}

/* misc */
.img-cover{width:100%;height:100%;object-fit:cover}
.mt-1{margin-top:14px}.mt-2{margin-top:28px}.mt-3{margin-top:48px}.mt-4{margin-top:72px}
.center{text-align:center}
.center-col{display:flex;flex-direction:column;align-items:center;text-align:center}
.split-head{display:flex;justify-content:space-between;align-items:flex-end;gap:30px;flex-wrap:wrap;margin-bottom:clamp(36px,5vw,56px)}
:focus-visible{outline:3px solid var(--gold);outline-offset:3px}

/* image logo */
.logo img{height:55px;width:auto;display:block}
footer.site .flogo img{height:64px}
@media(max-width:560px){.logo img{height:46px}}
.hero .crumbs a:hover{color:#fff}
.hero h1,.hero .lead{text-shadow:0 2px 24px rgba(0,0,0,.35)}
/* mobile overflow guards */
.grid-2>*,.grid-3>*,.grid-4>*{min-width:0}
a[href^="mailto"]{overflow-wrap:anywhere}
.btn{white-space:normal;text-align:center}
@media(max-width:440px){h1{font-size:2.1rem}.hero h1{font-size:2.3rem}}
/* logo aspect fix */
.logo{display:inline-flex;align-items:flex-start}
.logo img{width:auto;max-width:100%;flex:none;object-fit:contain}
footer.site .flogo{display:inline-block}
footer.site .flogo img{height:auto;width:200px;max-width:100%}
footer.site .top{padding-left:var(--gutter);padding-right:var(--gutter);grid-template-columns:1.2fr .9fr .9fr 1.4fr}
@media(max-width:1000px){footer.site .top{grid-template-columns:1fr 1fr}}
@media(max-width:560px){footer.site .top{grid-template-columns:1fr}}

/* hero locations line */
.hero-areas{font-family:var(--mono);font-size:.74rem;letter-spacing:.2em;text-transform:uppercase;color:var(--gold-light);display:flex;flex-wrap:wrap;justify-content:center;align-items:center;gap:10px 16px;margin:-8px 0 30px}
.hero-areas i{width:5px;height:5px;background:var(--gold-bright);transform:rotate(45deg);display:inline-block}
@media(max-width:560px){.hero-areas{font-size:.66rem;gap:8px 12px;max-width:300px}}
.area-cols{grid-template-columns:repeat(4,1fr)}
@media(max-width:1100px){.area-cols{grid-template-columns:repeat(2,1fr)}}
@media(max-width:600px){.area-cols{grid-template-columns:1fr}}

/* build-stage timeline */
.nw-stages{display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(22px,3vw,36px)}
.nw-stage{border-top:3px solid var(--paper);padding-top:18px;display:flex;flex-direction:column;gap:16px}
.nw-stage img{width:100%;aspect-ratio:4/3;object-fit:cover}
.nw-stage .n{font-family:var(--mono);font-size:.72rem;letter-spacing:.2em;color:var(--gold-bright);text-transform:uppercase}
.nw-stage h3{margin:8px 0}
.nw-stage p{color:#B8B4AD;font-size:.94rem}
@media(max-width:920px){.nw-stages{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.nw-stages{grid-template-columns:1fr}}