/* ===========================================================
   ROBERTRENO — Design Tokens
   Palette: warm charcoal ink, cream paper, brand gold (from logo),
   deep slate blue as a structural secondary (steel / blueprint feel).
   Signature motif: blueprint "registration marks" — small gold
   corner ticks used on photos, cards and stat blocks, echoing
   measuring & drafting tools of the trade.
=========================================================== */

@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,400;9..144,500;9..144,600;9..144,700&family=Public+Sans:wght@400;500;600;700&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root{
  --charcoal:#1B1815;
  --ink:#2C2822;
  --cream:#F7F3EA;
  --cream-2:#EFE9DC;
  --gold:#A9803F;
  --gold-light:#C9A25C;
  --gold-dim:#8C6A34;
  --slate:#33424B;
  --slate-2:#42545F;
  --line:#DDD3BE;
  --line-dark:#4A453D;
  --white:#FFFDF9;

  --display: 'Fraunces', serif;
  --body: 'Public Sans', sans-serif;
  --mono: 'IBM Plex Mono', monospace;

  --maxw: 1180px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--cream);
  color:var(--ink);
  font-family:var(--body);
  font-size:16px;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}

h1,h2,h3,h4{
  font-family:var(--display);
  font-weight:600;
  line-height:1.1;
  margin:0 0 .5em;
  color:var(--charcoal);
}
h1{font-size:clamp(2.2rem,5vw,3.6rem); font-weight:600;}
h2{font-size:clamp(1.6rem,3vw,2.3rem);}
h3{font-size:1.25rem;}
p{margin:0 0 1em;}
a{color:inherit;}

.wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px;}

.eyebrow{
  font-family:var(--mono);
  font-size:.72rem;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold-dim);
  display:flex;
  align-items:center;
  gap:.6em;
  margin-bottom:.9em;
}
.eyebrow::before{
  content:"";
  width:22px;
  height:1px;
  background:var(--gold);
  display:inline-block;
}

/* ---------- Registration-mark corner motif ---------- */
.marked{
  position:relative;
  padding:6px;
}
.marked::before,
.marked::after,
.marked > .tick-br,
.marked > .tick-bl{
  content:"";
  position:absolute;
  width:16px;
  height:16px;
  border:2px solid var(--gold);
  opacity:.85;
}
.marked::before{ top:0; left:0; border-right:none; border-bottom:none; }
.marked::after{ top:0; right:0; border-left:none; border-bottom:none; }
.marked .tick-bl{ bottom:0; left:0; border-right:none; border-top:none; }
.marked .tick-br{ bottom:0; right:0; border-left:none; border-top:none; }

/* ---------- Header ---------- */
header.site{
  position:sticky; top:0; z-index:50;
  background:rgba(247,243,234,.92);
  backdrop-filter:blur(6px);
  border-bottom:1px solid var(--line);
}
.nav{
  position:relative;
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 28px; max-width:var(--maxw); margin:0 auto;
}
.brand{display:flex; align-items:center; gap:12px; text-decoration:none;}
.brand img{height:42px; width:auto;}
.brand-name{
  font-family:var(--display); font-weight:600; letter-spacing:.02em;
  font-size:1.15rem; color:var(--charcoal);
}
.nav-links{display:flex; align-items:center; gap:28px; list-style:none; margin:0; padding:0;}
.nav-links a{
  text-decoration:none; font-size:.92rem; font-weight:500; color:var(--ink);
  position:relative; padding:4px 0;
}
.nav-links a:hover{color:var(--gold-dim);}
.nav-cta{
  background:var(--charcoal); color:var(--cream) !important;
  padding:10px 20px; border-radius:2px; font-size:.85rem !important;
  font-weight:600 !important; letter-spacing:.02em;
}
.nav-cta:hover{background:var(--gold-dim);}
.nav-toggle{
  display:none;
  background:none; border:none; cursor:pointer; padding:6px;
  flex-direction:column; gap:5px;
}
.nav-toggle span{ width:24px; height:2px; background:var(--charcoal); display:block; }

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex; align-items:center; gap:.5em;
  padding:13px 26px; border-radius:2px;
  font-family:var(--body); font-weight:600; font-size:.92rem;
  text-decoration:none; border:1px solid transparent; cursor:pointer;
  letter-spacing:.01em;
}
.btn-primary{background:var(--gold); color:var(--white);}
.btn-primary:hover{background:var(--gold-dim);}
.btn-outline{background:transparent; border-color:var(--charcoal); color:var(--charcoal);}
.btn-outline:hover{background:var(--charcoal); color:var(--cream);}
.btn-outline-light{background:transparent; border-color:rgba(247,243,234,.5); color:var(--cream);}
.btn-outline-light:hover{background:var(--cream); color:var(--charcoal);}

/* ---------- Hero ---------- */
.hero{
  padding:64px 0 56px;
  background:
    linear-gradient(180deg, rgba(27,24,21,0) 0%, rgba(27,24,21,0) 100%);
}
.hero-grid{
  display:grid; grid-template-columns:1.05fr .95fr; gap:56px; align-items:center;
}
.hero-copy .eyebrow{margin-bottom:1.1em;}
.hero-copy p.lead{font-size:1.1rem; color:var(--ink); max-width:46ch;}
.hero-actions{display:flex; gap:14px; margin-top:1.8em; flex-wrap:wrap;}
.hero-mosaic{
  display:grid; grid-template-columns:1fr 1fr; grid-template-rows:1fr 1fr; gap:10px;
  height:380px;
}
.hero-mosaic img{width:100%; height:100%; object-fit:cover;}
.hero-mosaic .m1{grid-row:1/3;}

/* ---------- Stat strip ---------- */
.stats{
  background:var(--charcoal); color:var(--cream); padding:34px 0;
}
.stats-grid{
  display:grid; grid-template-columns:repeat(5,1fr); gap:24px; text-align:center;
}
.stats-grid.cols-3{grid-template-columns:repeat(3,1fr);}
.stat{position:relative; padding-top:8px;}
.stat .num{
  font-family:var(--mono); font-size:1.55rem; color:var(--gold-light); font-weight:500;
  display:block;
}
.stat .dim-line{
  display:block; width:34px; height:1px; background:var(--gold-dim); margin:8px auto 10px;
}
.stat .label{font-size:.74rem; letter-spacing:.06em; text-transform:uppercase; color:#CFC8B8;}

/* ---------- Sections ---------- */
section{padding:76px 0;}
.section-head{max-width:640px; margin-bottom:44px;}
.section-head.center{margin-left:auto; margin-right:auto; text-align:center;}

.bg-alt{background:var(--cream-2);}
.bg-dark{background:var(--charcoal); color:var(--cream);}
.bg-dark h2, .bg-dark h3{color:var(--cream);}
.bg-slate{background:var(--slate); color:var(--cream);}
.bg-slate h2, .bg-slate h3{color:var(--cream);}

/* ---------- Service cards ---------- */
.card-grid{
  display:grid; grid-template-columns:repeat(3,1fr); gap:26px;
}
.service-card{
  background:var(--white); border:1px solid var(--line); padding:30px 26px;
  text-decoration:none; color:var(--ink); display:block;
  transition:border-color .15s, transform .15s;
}
.service-card:hover{border-color:var(--gold); transform:translateY(-2px);}
.service-card .num{
  font-family:var(--mono); font-size:.75rem; color:var(--gold-dim); letter-spacing:.08em;
}
.service-card h3{margin:.5em 0 .4em;}
.service-card p{font-size:.92rem; color:#5A5548; margin-bottom:0;}
.service-card .go{
  margin-top:14px; font-family:var(--mono); font-size:.78rem; color:var(--gold-dim);
}

/* ---------- Why grid ---------- */
.why-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:32px 40px;}
.why-item{border-top:1px solid var(--line-dark); padding-top:16px;}
.bg-dark .why-item{border-top-color:rgba(247,243,234,.25);}
.why-item h3{font-size:1.05rem;}
.why-item p{font-size:.94rem; color:#B9B2A2;}

/* ---------- Portfolio ---------- */
.gallery{
  display:grid; grid-template-columns:repeat(4,1fr); gap:18px;
}
.gallery figure{margin:0; position:relative;}
.gallery img{aspect-ratio:4/3; object-fit:cover; width:100%;}
.gallery figcaption{
  font-family:var(--mono); font-size:.72rem; color:#6B6555; margin-top:8px;
}
.filter-row{display:flex; flex-wrap:wrap; gap:10px; margin-bottom:36px;}
.filter-row a{
  font-family:var(--mono); font-size:.76rem; text-transform:uppercase; letter-spacing:.05em;
  padding:8px 14px; border:1px solid var(--line-dark); text-decoration:none; color:var(--ink);
}
.filter-row a.active, .filter-row a:hover{background:var(--charcoal); color:var(--cream); border-color:var(--charcoal);}

/* ---------- Reviews placeholder ---------- */
.review-box{
  border:1px dashed var(--line-dark); padding:40px; text-align:center; max-width:640px; margin:0 auto;
}
.review-box .num{font-family:var(--mono); color:var(--gold-light); font-size:1.4rem;}

/* ---------- Service page hero ---------- */
.svc-hero{padding:52px 0 40px; border-bottom:1px solid var(--line);}
.svc-hero-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:48px; align-items:center;}
.svc-list{list-style:none; margin:1.4em 0 0; padding:0;}
.svc-list li{
  padding:10px 0; border-top:1px solid var(--line); font-size:.95rem;
  display:flex; align-items:baseline; gap:10px;
}
.svc-list li::before{content:"—"; color:var(--gold-dim); font-family:var(--mono);}

.split{display:grid; grid-template-columns:1fr 1fr; gap:48px; align-items:center;}
.mini-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px;}

/* ---------- Footer ---------- */
footer.site{background:var(--charcoal); color:#CFC8B8; padding:52px 0 28px;}
.footer-grid{display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:40px; margin-bottom:40px;}
.footer-brand{display:flex; align-items:center; gap:12px; margin-bottom:14px;}
.footer-brand img{height:36px;}
.footer-brand span{font-family:var(--display); font-size:1.05rem; color:var(--cream);}
footer.site h4{color:var(--cream); font-family:var(--body); font-size:.82rem; text-transform:uppercase; letter-spacing:.08em; margin-bottom:14px;}
footer.site ul{list-style:none; margin:0; padding:0;}
footer.site li{margin-bottom:9px; font-size:.9rem;}
footer.site a{text-decoration:none; color:#CFC8B8;}
footer.site a:hover{color:var(--gold-light);}
.footer-bottom{
  border-top:1px solid rgba(247,243,234,.15); padding-top:22px;
  display:flex; justify-content:space-between; flex-wrap:wrap; gap:10px;
  font-size:.78rem; font-family:var(--mono); color:#8B8574;
}

/* ---------- CTA band ---------- */
.cta-band{background:var(--gold); color:var(--white); padding:60px 0; text-align:center;}
.cta-band h2{color:var(--white);}
.cta-band .btn-outline-light{border-color:rgba(255,255,255,.6); color:var(--white);}
.cta-band .btn-outline-light:hover{background:var(--white); color:var(--gold-dim);}

/* ---------- Responsive ---------- */
@media (max-width: 900px){
  .hero-grid, .svc-hero-grid, .split{grid-template-columns:1fr;}
  .hero-mosaic{height:280px; order:-1;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .card-grid{grid-template-columns:1fr 1fr;}
  .why-grid{grid-template-columns:1fr;}
  .gallery{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .nav-toggle{display:flex;}
  .nav-links{
    display:none;
    position:absolute; top:100%; left:0; right:0;
    background:var(--cream);
    flex-direction:column; align-items:flex-start; gap:0;
    border-bottom:1px solid var(--line);
    padding:8px 28px 18px;
    z-index:60;
  }
  .nav-links.open{display:flex;}
  .nav-links li{width:100%;}
  .nav-links a{display:block; padding:10px 0; width:100%;}
  .nav-links .nav-cta{display:inline-block; margin-top:8px;}
}
@media (max-width: 560px){
  .card-grid, .gallery, .mini-grid{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:1fr 1fr;}
  .stats-grid.cols-3{grid-template-columns:1fr;}
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce){
  html{scroll-behavior:auto;}
  .service-card{transition:none;}
}

/* Focus visibility */
a:focus-visible, button:focus-visible{
  outline:2px solid var(--gold); outline-offset:2px;
}