/* =========================================================================
   3D Arc Design — Session two, attempt 1
   No frameworks, no webfonts. One stylesheet, one script.
   ========================================================================= */

:root{
  --ink:#0b0b0c;
  --surface:#131313;
  --surface-2:#1a1918;
  --line:#262421;
  --line-2:#3a3733;
  --gold:#c6a47e;
  --gold-lt:#dcc09a;
  --gold-dim:#8d7455;
  --text:#c9c4bd;
  --dim:#8e8a84;
  --white:#fff;

  --serif:Georgia,"Times New Roman",serif;
  --sans:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;

  --wrap:1160px;
  --gutter:24px;
  --head:66px;
  --section:76px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--ink);color:var(--text);
  font-family:var(--sans);font-size:16px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--gold)}
a:hover{color:var(--gold-lt)}
h1,h2,h3,h4{font-family:var(--serif);font-weight:400;color:var(--white);margin:0;text-wrap:balance}
p{margin:0 0 1rem}
p:last-child{margin-bottom:0}
:focus-visible{outline:2px solid var(--gold);outline-offset:3px}

.wrap{max-width:var(--wrap);margin-inline:auto;padding-inline:var(--gutter)}
.narrow{max-width:760px}
.skip{position:absolute;left:-9999px;background:var(--gold);color:var(--ink);padding:12px 18px;z-index:200}
.skip:focus{left:8px;top:8px}

/* ---------------------------------------------------------- typography */
.eyebrow{
  font-size:11.5px;font-weight:600;letter-spacing:.22em;text-transform:uppercase;
  color:var(--gold);margin:0 0 14px;
}
h1{font-size:clamp(30px,4.6vw,46px);line-height:1.1;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,32px);line-height:1.18}
h3{font-size:19px;line-height:1.3}
.lede{font-size:clamp(17px,2vw,19px);line-height:1.62;color:#ded9d2}
.dim{color:var(--dim)}
.rule{width:100%;height:1px;background:var(--line);border:0;margin:0}

/* -------------------------------------------------------------- header */
.site-head{
  position:sticky;top:0;z-index:100;background:rgba(11,11,12,.94);
  border-bottom:1px solid var(--line);backdrop-filter:saturate(140%) blur(8px);
}
.head-bar{display:flex;align-items:center;gap:20px;height:var(--head)}
.brand{display:flex;align-items:center;gap:11px;text-decoration:none;flex:0 0 auto}
.brand img{width:32px;height:32px}
.brand span{
  font-family:var(--sans);font-weight:700;font-size:13px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--white);white-space:nowrap;
}
.nav{margin-left:auto}
.nav ul{display:flex;align-items:center;gap:22px;list-style:none;margin:0;padding:0}
.nav a{
  font-size:12px;font-weight:500;letter-spacing:.09em;text-transform:uppercase;
  color:var(--text);text-decoration:none;padding:6px 0;display:block;
  border-bottom:1px solid transparent;white-space:nowrap;
}
.nav .m-cta{display:none}
.nav a:hover{color:var(--white);border-bottom-color:var(--gold)}
.nav a[aria-current="page"]{color:var(--gold);border-bottom-color:var(--gold)}
.head-cta{
  flex:0 0 auto;background:var(--gold);color:var(--ink);text-decoration:none;
  font-size:12.5px;font-weight:700;letter-spacing:.06em;padding:10px 16px;
  border-radius:2px;white-space:nowrap;
}
.head-cta:hover{background:var(--gold-lt);color:var(--ink)}
.burger{
  display:none;margin-left:auto;background:none;border:1px solid var(--line-2);
  border-radius:2px;width:42px;height:38px;cursor:pointer;padding:0;
}
.burger span{display:block;width:18px;height:1.5px;background:var(--text);margin:4px auto;transition:transform .18s,opacity .18s}
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5.5px) rotate(45deg)}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.5px) rotate(-45deg)}

/* ---------------------------------------------------------------- hero */
.hero{border-bottom:1px solid var(--line);padding:clamp(44px,6vw,74px) 0}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,60px);align-items:center}
.hero h1{margin-bottom:18px}
.hero .lede{margin-bottom:26px;max-width:46ch}
.hero-media{position:relative}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line)}
.hero-media::after{
  content:"";position:absolute;left:-14px;bottom:-14px;width:96px;height:96px;
  border-left:2px solid var(--gold);border-bottom:2px solid var(--gold);pointer-events:none;
}
.hero-cap{
  margin-top:10px;font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--dim);
}

/* page header for inner pages */
.page-head{border-bottom:1px solid var(--line);padding:clamp(36px,5vw,58px) 0 clamp(28px,4vw,44px)}
.page-head h1{margin-bottom:14px}
.page-head p{max-width:64ch;margin:0}
.crumbs{font-size:12px;letter-spacing:.08em;text-transform:uppercase;color:var(--dim);margin-bottom:14px}
.crumbs a{color:var(--dim);text-decoration:none}
.crumbs a:hover{color:var(--gold)}

/* ------------------------------------------------------------- buttons */
.btn{
  display:inline-block;border-radius:2px;font-size:13px;font-weight:600;
  letter-spacing:.06em;padding:12px 22px;text-decoration:none;cursor:pointer;
  border:1px solid var(--gold);background:var(--gold);color:var(--ink);
  font-family:var(--sans);
}
.btn:hover{background:var(--gold-lt);border-color:var(--gold-lt);color:var(--ink)}
.btn.ghost{background:transparent;color:var(--gold);border-color:var(--line-2)}
.btn.ghost:hover{border-color:var(--gold);color:var(--gold-lt);background:transparent}
.btn-row{display:flex;gap:12px;flex-wrap:wrap}

/* ------------------------------------------------------------ sections */
section{padding:var(--section) 0}
section.tight{padding:calc(var(--section) * .62) 0}
.sec-head{margin-bottom:38px;max-width:70ch}
.sec-head h2{margin-bottom:12px}
.sec-head p{margin:0;color:var(--dim)}
.head-row{display:flex;align-items:flex-end;gap:24px;flex-wrap:wrap;margin-bottom:34px}
.head-row .sec-head{margin-bottom:0;flex:1 1 420px}
.head-row .more{margin-left:auto}

/* credibility strip */
.facts{
  display:grid;grid-template-columns:repeat(4,1fr);
  border-block:1px solid var(--line);
}
.facts div{padding:22px 22px 24px 0;border-right:1px solid var(--line)}
.facts div:last-child{border-right:0}
.facts dt{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);margin-bottom:6px}
.facts dd{margin:0;font-family:var(--serif);font-size:17px;color:var(--white)}

/* ------------------------------------------------------ services lists */
.svc-cols{display:grid;grid-template-columns:1fr 1fr;gap:clamp(28px,5vw,56px)}
.svc-col h3{
  font-family:var(--sans);font-size:11.5px;font-weight:700;letter-spacing:.2em;
  text-transform:uppercase;color:var(--gold);margin-bottom:4px;
}
.svc-col > p{color:var(--dim);font-size:14.5px;margin-bottom:14px}
.svc-list{list-style:none;margin:0;padding:0;border-top:1px solid var(--line)}
.svc-list li{
  display:flex;align-items:baseline;gap:12px;padding:13px 2px;
  border-bottom:1px solid var(--line);font-size:15.5px;
}
.svc-list li::before{
  content:"";flex:0 0 auto;width:6px;height:6px;transform:rotate(45deg);
  background:var(--gold-dim);position:relative;top:-2px;
}
.svc-list li:hover{color:var(--white)}

/* detailed service blocks */
.svc-detail{display:grid;grid-template-columns:1fr 1fr;gap:0 clamp(28px,5vw,56px);border-top:1px solid var(--line)}
.svc-detail article{padding:22px 0;border-bottom:1px solid var(--line)}
.svc-detail h3{margin-bottom:7px}
.svc-detail p{margin:0;color:var(--dim);font-size:15px}

/* numbered process */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:0;border-top:1px solid var(--line)}
.step{padding:24px 24px 26px 0;border-right:1px solid var(--line)}
.step:last-child{border-right:0}
.step b{
  display:block;font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:.18em;
  text-transform:uppercase;color:var(--gold);margin-bottom:10px;
}
.step h3{font-size:18px;margin-bottom:7px}
.step p{margin:0;font-size:14.5px;color:var(--dim)}

/* ---------------------------------------------------------- work cards */
.filters{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:26px}
.filters button{
  font:600 12.5px/1 var(--sans);letter-spacing:.08em;text-transform:uppercase;
  background:transparent;color:var(--text);border:1px solid var(--line-2);
  border-radius:2px;padding:9px 16px;cursor:pointer;
}
.filters button:hover{border-color:var(--gold-dim);color:var(--white)}
.filters button[aria-pressed="true"]{background:var(--gold);border-color:var(--gold);color:var(--ink)}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  display:flex;flex-direction:column;text-decoration:none;color:inherit;
  background:var(--surface);border:1px solid var(--line);
}
.card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.card .body{padding:16px 18px 20px}
.card .tag{
  display:inline-block;font-size:10.5px;font-weight:700;letter-spacing:.16em;
  text-transform:uppercase;color:var(--gold);margin-bottom:8px;
}
.card h3{font-size:18px;margin-bottom:5px}
.card p{margin:0;font-size:13.5px;color:var(--dim)}
.card:hover{border-color:var(--gold-dim)}
.card:hover h3{color:var(--gold-lt)}
.card[hidden]{display:none}

/* also-delivered list */
.also{border-top:1px solid var(--line);margin-top:44px;padding-top:24px}
.also h3{font-size:16px;margin-bottom:10px}
.also ul{columns:2;column-gap:40px;list-style:none;margin:0;padding:0;font-size:14.5px;color:var(--dim)}
.also li{padding:5px 0;break-inside:avoid}

/* ------------------------------------------------------------- gallery */
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
.gallery a{display:block;border:1px solid var(--line);position:relative}
.gallery img{width:100%;aspect-ratio:4/3;object-fit:cover}
.gallery a:hover{border-color:var(--gold)}
.gallery a:first-child{grid-column:span 2;grid-row:span 2}
.gallery a:first-child img{aspect-ratio:4/3;height:100%}

/* project meta */
.meta{display:grid;grid-template-columns:repeat(4,1fr);border-block:1px solid var(--line);margin-bottom:36px}
.meta div{padding:18px 18px 20px 0;border-right:1px solid var(--line)}
.meta div:last-child{border-right:0}
.meta dt{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);margin-bottom:4px}
.meta dd{margin:0;font-size:15px;color:var(--white)}

/* --------------------------------------------------------------- tours */
.tours{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;list-style:none;margin:0;padding:0}
.tours a{
  display:flex;flex-direction:column;gap:6px;padding:20px 22px;text-decoration:none;
  background:var(--surface);border:1px solid var(--line);min-height:104px;
}
.tours a:hover{border-color:var(--gold-dim)}
.tours b{font-family:var(--serif);font-weight:400;font-size:18px;color:var(--white)}
.tours span{font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--gold)}
.tours em{margin-top:auto;font-style:normal;font-size:13px;color:var(--dim)}

/* ----------------------------------------------------------- resources */
.posts{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.post-card{background:var(--surface);border:1px solid var(--line);display:flex;flex-direction:column;text-decoration:none;color:inherit}
.post-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.post-card .body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.post-card time{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--gold)}
.post-card h3{font-size:19px}
.post-card p{margin:0;font-size:14px;color:var(--dim)}
.post-card:hover{border-color:var(--gold-dim)}
.post-card:hover h3{color:var(--gold-lt)}

/* article body */
.article{max-width:720px;margin-inline:auto}
.article h2{font-size:25px;margin:34px 0 12px}
.article h3{font-size:19px;margin:26px 0 8px}
.article ul,.article ol{padding-left:22px;margin:0 0 1rem}
.article li{margin-bottom:7px}
.article blockquote{
  margin:26px 0;padding:2px 0 2px 20px;border-left:2px solid var(--gold-dim);
  font-family:var(--serif);font-size:19px;color:var(--white);
}
.article table{width:100%;border-collapse:collapse;margin:24px 0;font-size:14.5px}
.article th,.article td{border:1px solid var(--line);padding:10px 13px;text-align:left}
.article th{color:var(--gold);font-weight:600;font-size:11.5px;letter-spacing:.1em;text-transform:uppercase}
.article .note{background:var(--surface);border:1px solid var(--line);padding:18px 20px;margin:26px 0}

/* ---------------------------------------------------------------- form */
.contact-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:clamp(28px,5vw,60px);align-items:start}
.contact-list{list-style:none;margin:22px 0 0;padding:0;display:grid;gap:14px}
.contact-list li{display:grid;gap:2px}
.contact-list dt,.contact-list .lbl{font-size:11px;letter-spacing:.18em;text-transform:uppercase;color:var(--dim)}
.contact-list a{text-decoration:none}
form{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.full{grid-column:1/-1}
label{display:block;font-size:11.5px;font-weight:600;letter-spacing:.14em;text-transform:uppercase;color:var(--gold);margin-bottom:7px}
input,textarea,select{
  width:100%;background:var(--surface-2);border:1px solid var(--line-2);color:var(--white);
  font:16px/1.5 var(--sans);padding:12px 14px;border-radius:2px;
}
textarea{min-height:120px;resize:vertical}
input:focus,textarea:focus,select:focus{outline:2px solid var(--gold);outline-offset:0;border-color:var(--gold)}
input:user-invalid,textarea:user-invalid{border-color:#b4553f}
.hp{position:absolute;left:-9999px;width:1px;height:1px;overflow:hidden}
form .btn{grid-column:1/-1;justify-self:start}
.form-msg{grid-column:1/-1;margin:0;font-size:14px;color:#e0866c;min-height:1.2em}
.thanks{border:1px solid var(--gold-dim);background:var(--surface);padding:32px 28px;text-align:center}
.thanks h3{font-size:23px;margin-bottom:10px}
.thanks p{margin:0}

/* ------------------------------------------------------------ cta band */
.cta{background:var(--surface);border-block:1px solid var(--line)}
.cta .inner{display:flex;align-items:center;gap:28px;flex-wrap:wrap}
.cta h2{margin-bottom:6px}
.cta p{margin:0;color:var(--dim)}
.cta .btn-row{margin-left:auto}

/* -------------------------------------------------------------- footer */
.site-foot{background:var(--ink);border-top:1px solid var(--line);padding:54px 0 30px;font-size:14.5px}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:36px;padding-bottom:34px}
.foot-grid h4{font-family:var(--sans);font-size:11px;font-weight:700;letter-spacing:.2em;text-transform:uppercase;color:var(--gold);margin-bottom:14px}
.foot-grid ul{list-style:none;margin:0;padding:0;display:grid;gap:9px}
.foot-grid a{color:var(--text);text-decoration:none}
.foot-grid a:hover{color:var(--gold)}
.foot-brand p{color:var(--dim);max-width:38ch;margin:14px 0 0;font-size:14px}
.foot-bottom{
  border-top:1px solid var(--line);padding-top:20px;display:flex;gap:16px;
  flex-wrap:wrap;align-items:center;color:var(--dim);font-size:13px;
}
.foot-bottom .ig{margin-left:auto;color:var(--gold);display:inline-flex}

/* ------------------------------------------------------------ lightbox */
.lb{position:fixed;inset:0;z-index:200;background:rgba(6,6,6,.97);display:none;align-items:center;justify-content:center;padding:24px}
.lb.on{display:flex}
.lb img{max-width:100%;max-height:88vh;object-fit:contain;border:1px solid var(--line)}
.lb button{
  position:absolute;background:none;border:0;color:var(--gold);cursor:pointer;
  font-size:15px;letter-spacing:.1em;text-transform:uppercase;padding:12px 16px;
}
.lb .x{top:10px;right:12px;font-size:30px;line-height:1}
.lb .prev{left:8px;top:50%;transform:translateY(-50%);font-size:30px}
.lb .next{right:8px;top:50%;transform:translateY(-50%);font-size:30px}
.lb .count{bottom:8px;left:50%;transform:translateX(-50%);font-size:12px;color:var(--dim)}

/* --------------------------------------------------------- responsive */
@media (max-width:1000px){
  .grid-3,.posts,.tours{grid-template-columns:repeat(2,1fr)}
  .facts,.steps,.meta{grid-template-columns:repeat(2,1fr)}
  .facts div:nth-child(2),.meta div:nth-child(2){border-right:0}
  .facts div:nth-child(-n+2),.meta div:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .step:nth-child(2){border-right:0}
  .step:nth-child(-n+2){border-bottom:1px solid var(--line)}
  .contact-grid{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .foot-brand{grid-column:1/-1}
}
@media (max-width:1080px){
  .burger{display:block}
  .head-cta{display:none}
  .nav{
    position:fixed;inset:var(--head) 0 auto 0;background:var(--ink);
    border-bottom:1px solid var(--line);margin:0;display:none;
    max-height:calc(100dvh - var(--head));overflow:auto;
  }
  .nav.open{display:block}
  .nav ul{flex-direction:column;align-items:stretch;gap:0;padding:8px 0}
  .nav a{padding:15px var(--gutter);border-bottom:1px solid var(--line);font-size:14px}
  .nav a:hover{border-bottom-color:var(--line);background:var(--surface)}
  .nav li:last-child a{border-bottom:0}
  .nav .m-cta{margin:14px var(--gutter) 18px;display:block;text-align:center}
}
@media (max-width:860px){
  :root{--section:52px}
  .hero-grid,.svc-cols,.svc-detail{grid-template-columns:1fr}
  .svc-detail article:last-child{border-bottom:1px solid var(--line)}
  .hero-media::after{display:none}
  .gallery a:first-child{grid-column:span 2;grid-row:auto}
  .cta .inner{display:block}
  .cta .btn-row{margin:22px 0 0}
  .also ul{columns:1}
}
@media (max-width:600px){
  .head-row{flex-direction:column;align-items:flex-start;gap:16px}
  .head-row .more{margin-left:0}
  .grid-3,.posts,.tours,.gallery{grid-template-columns:1fr}
  .gallery a:first-child{grid-column:auto}
  .facts,.steps,.meta{grid-template-columns:1fr}
  .facts div,.meta div,.step{border-right:0;border-bottom:1px solid var(--line);padding-right:0}
  .facts div:last-child,.meta div:last-child,.step:last-child{border-bottom:0}
  form{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
}

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

@media print{
  .site-head,.site-foot,.cta,form,.lb{display:none}
  body{background:#fff;color:#000}
}

/* =========================================================================
   Additions for the live site (attempt 2)
   ========================================================================= */

.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;
  clip:rect(0 0 0 0);white-space:nowrap;border:0}

/* ---------- header wordmark ---------- */
.brand img{width:200px;height:auto}
@media (max-width:420px){.brand img{width:160px}}

/* ---------- hero: concept render → as built ---------- */
.hero-media .shots{position:relative}
.hero-media .shot{width:100%;aspect-ratio:4/3;object-fit:cover;border:1px solid var(--line);display:block}
.hero-media.compare .shot.b{position:absolute;inset:0;opacity:0;transition:opacity .9s ease}
.hero-media.compare.flipped .shot.b{opacity:1}
.hero-media .stamp{
  position:absolute;left:12px;bottom:12px;z-index:2;
  background:rgba(11,11,12,.82);border:1px solid var(--gold-dim);color:var(--gold);
  font:600 10.5px/1 var(--sans);letter-spacing:.18em;text-transform:uppercase;
  padding:8px 12px;border-radius:2px;backdrop-filter:blur(4px);
}
@media (prefers-reduced-motion:reduce){
  .hero-media.compare .shot.b{transition:none}
}

/* ---------- projects with no publishable photos ---------- */
.card-nophoto{
  aspect-ratio:4/3;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;background:
    repeating-linear-gradient(-45deg,#141312 0 10px,#161514 10px 20px);
  color:var(--gold-dim);border-bottom:1px solid var(--line);
}
.card-nophoto span{
  font-size:10.5px;font-weight:600;letter-spacing:.18em;text-transform:uppercase;color:var(--dim);
}
.nophoto-panel{
  border:1px dashed var(--line-2);background:var(--surface);padding:44px 28px;text-align:center;
  color:var(--dim);
}
.nophoto-panel svg{color:var(--gold-dim);margin:0 auto 16px}
.nophoto-panel h3{font-size:21px;margin-bottom:10px}
.nophoto-panel p{margin:0 auto;max-width:56ch}

/* ---------- resource card fallback cover ---------- */
.post-cover{
  aspect-ratio:16/9;display:grid;place-items:center;border-bottom:1px solid var(--line);
  background:radial-gradient(circle at 30% 30%,#1d1b19,#0f0e0e);
}
.post-cover span{
  font:700 11px/1 var(--sans);letter-spacing:.24em;text-transform:uppercase;color:var(--gold-dim);
}

/* ---------- form validation + review ---------- */
.err{
  margin:6px 0 0;font-size:12.5px;color:#e08a6f;min-height:0;
}
.err:empty{display:none}
input[aria-invalid="true"],textarea[aria-invalid="true"],select[aria-invalid="true"]{
  border-color:#a8523c;
}
.review{border:1px solid var(--gold-dim);background:var(--surface);padding:26px 26px 28px}
.review h3{font-size:21px;margin-bottom:6px}
.review > p{color:var(--dim);font-size:14.5px;margin-bottom:18px}
.review dl{display:grid;grid-template-columns:150px 1fr;gap:1px;background:var(--line);
  border:1px solid var(--line);margin:0 0 22px}
.review dt,.review dd{background:var(--surface);margin:0;padding:11px 14px;font-size:14.5px}
.review dt{color:var(--dim);font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  display:flex;align-items:center}
.review dd{color:var(--white);word-break:break-word}
.review .check{color:var(--gold);font-size:13.5px;margin:0 0 18px}
@media (max-width:560px){
  .review dl{grid-template-columns:1fr}
  .review dt{padding-bottom:0;background:var(--surface)}
}

/* `form{display:grid}` outranks the browser default for [hidden], so the
   review step could not hide the form without this. */
[hidden]{display:none!important}