/* ============================================================
   THE METAL SHOP — "Forge & Heat-Tint" design system
   ============================================================ */

:root{
  /* base */
  --forge:      #0E0F12;   /* near-black steel */
  --forge-2:    #15171C;   /* raised panel */
  --forge-3:    #1D2027;   /* card */
  --line:       #2A2E37;   /* hairline */
  --steel:      #C6CCD5;   /* primary text on dark */
  --steel-dim:  #8B93A0;   /* muted text */
  --bone:       #F3F1EC;   /* light sections */
  --bone-2:     #E7E4DC;
  --ink:        #14161B;   /* text on light */

  /* accents */
  --arc:        #FF5A1F;   /* molten arc — primary CTA */
  --arc-hot:    #FFB020;   /* spark / ember */
  --arc-deep:   #C93E12;

  /* heat-tint signature gradient (welded-stainless oxide colors) */
  --heat: linear-gradient(90deg,#E8B23A 0%,#E07B2E 20%,#C2492E 38%,#A8346B 56%,#6B3E9E 74%,#2E5FA0 88%,#2E8FA0 100%);

  --radius: 4px;
  --maxw: 1200px;
  --shadow: 0 20px 50px -20px rgba(0,0,0,.7);

  --f-display: "Saira Condensed", "Arial Narrow", sans-serif;
  --f-ui:      "Saira", system-ui, sans-serif;
  --f-body:    "IBM Plex Sans", system-ui, sans-serif;
  --f-mono:    "IBM Plex Mono", ui-monospace, monospace;
}

*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--f-body);
  background:var(--forge);
  color:var(--steel);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--tight{padding:64px 0}

/* ---------- type ---------- */
h1,h2,h3,h4{font-family:var(--f-display);font-weight:700;line-height:1.02;letter-spacing:.01em;text-transform:uppercase}
h1{font-size:clamp(2.8rem,7vw,6rem)}
h2{font-size:clamp(2rem,4.5vw,3.6rem)}
h3{font-size:clamp(1.3rem,2.4vw,1.9rem)}
p{margin:0 0 1rem}
.lead{font-size:clamp(1.05rem,1.6vw,1.3rem);color:var(--steel);max-width:60ch}

.eyebrow{
  font-family:var(--f-mono);font-size:.72rem;font-weight:500;
  letter-spacing:.34em;text-transform:uppercase;color:var(--arc-hot);
  display:inline-flex;align-items:center;gap:.6rem;margin-bottom:1.1rem;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--heat)}

.heat-rule{height:3px;width:100%;background:var(--heat);background-size:200% 100%;
  animation:heatflow 6s linear infinite;border:0;border-radius:2px}
@keyframes heatflow{to{background-position:200% 0}}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6rem;
  font-family:var(--f-ui);font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  font-size:.9rem;padding:.85rem 1.5rem;border-radius:var(--radius);
  border:1px solid transparent;cursor:pointer;transition:.22s ease;white-space:nowrap;
}
.btn--arc{background:var(--arc);color:#fff;box-shadow:0 8px 24px -10px var(--arc)}
.btn--arc:hover{background:#ff6d38;transform:translateY(-2px);box-shadow:0 14px 30px -10px var(--arc)}
.btn--ghost{border-color:var(--line);color:var(--steel);background:transparent}
.btn--ghost:hover{border-color:var(--arc);color:#fff}
.btn--big{padding:1.05rem 2rem;font-size:1rem}
.btn .arw{transition:transform .22s ease}
.btn:hover .arw{transform:translateX(4px)}

/* ============================================================
   HEADER
   ============================================================ */
.topbar{
  position:fixed;top:0;left:0;right:0;z-index:60;
  background:rgba(14,15,18,.72);backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);transition:.3s ease;
}
.topbar.scrolled{background:rgba(14,15,18,.96)}
.topbar__inner{display:flex;align-items:center;gap:24px;height:74px}
.brand{display:flex;align-items:center;gap:12px;font-family:var(--f-display);
  font-size:1.5rem;font-weight:700;text-transform:uppercase;letter-spacing:.02em;color:#fff}
.brand img{height:42px;width:auto}
.brand .mono{font-family:var(--f-mono);font-size:.6rem;letter-spacing:.3em;color:var(--arc-hot);display:block;line-height:1}

nav.main{display:flex;align-items:center;gap:6px;margin-left:auto}
nav.main a, .navitem>button{
  font-family:var(--f-ui);font-weight:600;font-size:.92rem;letter-spacing:.04em;
  text-transform:uppercase;color:var(--steel);padding:.6rem .9rem;border-radius:var(--radius);
  background:none;border:0;cursor:pointer;transition:.18s;display:inline-flex;align-items:center;gap:.4rem;
}
nav.main a:hover,.navitem>button:hover{color:#fff;background:var(--forge-2)}
.navitem{position:relative}
.navitem>button .chev{font-size:.6rem;opacity:.7}
.dropdown{
  position:absolute;top:calc(100% + 8px);left:0;min-width:236px;
  background:var(--forge-2);border:1px solid var(--line);border-radius:var(--radius);
  box-shadow:var(--shadow);padding:8px;opacity:0;visibility:hidden;transform:translateY(8px);
  transition:.2s ease;
}
.navitem:hover .dropdown,.navitem:focus-within .dropdown{opacity:1;visibility:visible;transform:translateY(0)}
.dropdown a{display:block;width:100%;padding:.62rem .8rem;border-left:2px solid transparent}
.dropdown a:hover{border-left-color:var(--arc);color:#fff;background:var(--forge-3)}
.topbar .phone{font-family:var(--f-mono);font-size:.9rem;color:var(--steel);letter-spacing:.02em}
.topbar .phone:hover{color:var(--arc-hot)}

.burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:8px}
.burger span{width:26px;height:2px;background:var(--steel);transition:.25s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* mobile drawer */
.drawer{
  position:fixed;inset:74px 0 0;z-index:55;background:var(--forge);
  transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;padding:24px;
}
.drawer.open{transform:translateX(0)}
.drawer a{display:block;font-family:var(--f-ui);font-weight:600;text-transform:uppercase;
  letter-spacing:.04em;font-size:1.1rem;padding:1rem 0;border-bottom:1px solid var(--line);color:var(--steel)}
.drawer .sub a{font-size:.95rem;padding:.7rem 0 .7rem 1rem;color:var(--steel-dim)}
.drawer .grp-label{font-family:var(--f-mono);font-size:.7rem;letter-spacing:.3em;color:var(--arc-hot);
  text-transform:uppercase;padding:1.2rem 0 .3rem}

/* ============================================================
   HERO
   ============================================================ */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;
  padding-top:74px;overflow:hidden;background:radial-gradient(120% 90% at 80% -10%,#20242d 0%,var(--forge) 55%)}
#sparks{position:absolute;inset:0;z-index:1;pointer-events:none}
.hero__glow{position:absolute;z-index:0;width:600px;height:600px;right:-120px;top:-80px;
  background:radial-gradient(circle,rgba(255,90,31,.22),transparent 60%);filter:blur(20px);
  animation:flicker 3.5s ease-in-out infinite}
@keyframes flicker{0%,100%{opacity:.85}45%{opacity:.55}70%{opacity:1}}
.hero__inner{position:relative;z-index:2;padding:60px 0}
.hero h1{color:#fff}
.hero h1 .tint{background:var(--heat);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero__sub{font-family:var(--f-ui);font-weight:600;text-transform:uppercase;letter-spacing:.16em;
  font-size:clamp(.85rem,1.5vw,1.05rem);color:var(--steel-dim);margin:1.4rem 0 2rem;
  display:flex;flex-wrap:wrap;gap:.5rem 1rem}
.hero__sub span{white-space:nowrap}
.hero__sub .dot{color:var(--arc)}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:.5rem}
.hero__lead{margin-top:2.4rem;max-width:52ch;color:var(--steel);font-size:1.1rem}
.hero__lead b{color:#fff}

.laser{height:2px;background:var(--arc);box-shadow:0 0 14px 2px var(--arc);opacity:.9}

/* ============================================================
   MARQUEE (materials)
   ============================================================ */
.marquee{background:var(--forge-2);border-block:1px solid var(--line);overflow:hidden;padding:18px 0}
.marquee__track{display:flex;gap:3.5rem;width:max-content;animation:scroll 30s linear infinite}
.marquee:hover .marquee__track{animation-play-state:paused}
.marquee__track span{font-family:var(--f-display);font-size:1.5rem;text-transform:uppercase;
  letter-spacing:.05em;color:var(--steel-dim);display:inline-flex;align-items:center;gap:3.5rem}
.marquee__track span::after{content:"◆";color:var(--arc);font-size:.7rem}
@keyframes scroll{to{transform:translateX(-50%)}}

/* ============================================================
   STATS
   ============================================================ */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.stat{background:var(--forge);padding:34px 22px;text-align:center}
.stat__num{font-family:var(--f-display);font-size:clamp(2.4rem,4vw,3.4rem);color:#fff;line-height:1}
.stat__num .u{color:var(--arc)}
.stat__lbl{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.18em;text-transform:uppercase;
  color:var(--steel-dim);margin-top:.6rem}

/* ============================================================
   SERVICES GRID
   ============================================================ */
.svc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.svc{position:relative;background:var(--forge-2);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;overflow:hidden;transition:.25s ease;min-height:230px;display:flex;flex-direction:column}
.svc::before{content:"";position:absolute;left:0;top:0;height:3px;width:100%;background:var(--heat);
  transform:scaleX(0);transform-origin:left;transition:transform .35s ease}
.svc:hover{transform:translateY(-6px);border-color:#3a3f4b;background:var(--forge-3)}
.svc:hover::before{transform:scaleX(1)}
.svc__no{font-family:var(--f-mono);font-size:.75rem;color:var(--arc);letter-spacing:.2em}
.svc h3{color:#fff;margin:.8rem 0 .6rem}
.svc p{color:var(--steel-dim);font-size:.96rem;flex:1}
.svc__link{font-family:var(--f-ui);font-weight:600;text-transform:uppercase;font-size:.82rem;
  letter-spacing:.06em;color:var(--arc-hot);margin-top:1rem;display:inline-flex;gap:.4rem;align-items:center}
.svc:hover .svc__link .arw{transform:translateX(4px)}
.svc__link .arw{transition:.2s}

/* ============================================================
   PROJECTS / GALLERY
   ============================================================ */
.gal{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:16px}
.tile{position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  background:var(--forge-2);aspect-ratio:4/3;cursor:pointer;display:block}
.tile img{width:100%;height:100%;object-fit:cover;transition:.5s ease}
.tile:hover img{transform:scale(1.06)}
.tile__cap{position:absolute;left:0;right:0;bottom:0;padding:18px 16px 14px;
  background:linear-gradient(transparent,rgba(8,9,11,.92));transform:translateY(8px);opacity:.92;transition:.25s}
.tile:hover .tile__cap{transform:translateY(0);opacity:1}
.tile__cap b{display:block;font-family:var(--f-ui);font-weight:600;color:#fff;font-size:.98rem;line-height:1.25}
/* placeholder look when image missing */
.tile__ph{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;
  background:repeating-linear-gradient(45deg,#16181d,#16181d 12px,#1a1d23 12px,#1a1d23 24px);
  font-family:var(--f-mono);font-size:.7rem;letter-spacing:.2em;color:#3f4550;text-transform:uppercase}

/* ============================================================
   SPLIT / WHY
   ============================================================ */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:center}
.panel{background:var(--forge-2);border:1px solid var(--line);border-radius:var(--radius);padding:32px}
.panel h3{color:#fff}
.badge-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:8px}
.badge{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.12em;text-transform:uppercase;
  color:var(--steel-dim);border:1px solid var(--line);border-radius:40px;padding:.5rem .9rem;background:var(--forge)}
.badge b{color:var(--arc-hot)}

/* ============================================================
   LIGHT SECTION
   ============================================================ */
.light{background:var(--bone);color:var(--ink)}
.light h1,.light h2,.light h3{color:var(--ink)}
.light .eyebrow{color:var(--arc-deep)}
.light .lead,.light p{color:#3a3d44}
.light .card{background:#fff;border:1px solid var(--bone-2);border-radius:var(--radius);padding:26px}

/* ============================================================
   SERVICE PAGE BODY
   ============================================================ */
.page-hero{padding:140px 0 64px;background:radial-gradient(120% 100% at 85% 0%,#20242d,var(--forge) 60%);
  border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.page-hero h1{color:#fff;max-width:16ch}
.crumb{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--steel-dim);margin-bottom:1rem}
.crumb a:hover{color:var(--arc-hot)}

.prose{max-width:760px}
.prose p{color:var(--steel);font-size:1.06rem}
.prose b,.prose strong{color:#fff;font-weight:600}

.feature-cols{display:grid;grid-template-columns:1fr 1fr;gap:26px;margin-top:8px}
.feature{background:var(--forge-2);border:1px solid var(--line);border-radius:var(--radius);padding:26px}
.feature h4{font-family:var(--f-ui);color:var(--arc-hot);font-size:.8rem;letter-spacing:.16em;margin-bottom:1rem}
.feature ul{list-style:none;display:grid;gap:.7rem}
.feature li{padding-left:1.5rem;position:relative;color:var(--steel);font-size:.98rem}
.feature li::before{content:"";position:absolute;left:0;top:.6em;width:8px;height:8px;background:var(--arc);
  transform:rotate(45deg)}
.feature li b{color:#fff}

/* spec tables */
.spec{margin-top:20px}
.spec h4{font-family:var(--f-mono);font-size:.78rem;letter-spacing:.16em;color:var(--arc-hot);
  text-transform:uppercase;margin:26px 0 10px;padding-bottom:.5rem;border-bottom:1px solid var(--line)}
.spec ul{list-style:none;display:grid;gap:.4rem;font-family:var(--f-mono);font-size:.9rem;color:var(--steel)}
.spec ul li::before{content:"› ";color:var(--arc)}
.spec p{font-size:1rem;color:var(--steel)}
.spec table{width:100%;border-collapse:collapse;margin:.4rem 0;font-size:.92rem}
.spec td{border:1px solid var(--line);padding:.8rem 1rem;color:var(--steel);vertical-align:top;background:var(--forge-2)}
.specbar{display:flex;flex-wrap:wrap;gap:10px}
.specbar .chip{font-family:var(--f-mono);font-size:.82rem;color:var(--steel);border:1px solid var(--line);
  padding:.5rem .85rem;border-radius:var(--radius);background:var(--forge-2)}
.specbar .chip b{color:var(--arc-hot)}

/* glossary cards */
.gloss{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin-top:20px}
.gloss__card{position:relative;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  aspect-ratio:3/2;background:var(--forge-2);display:flex;align-items:flex-end;transition:.25s}
.gloss__card:hover{transform:translateY(-4px);border-color:#3a3f4b}
.gloss__card .ph{position:absolute;inset:0;background:repeating-linear-gradient(45deg,#16181d,#16181d 12px,#1a1d23 12px,#1a1d23 24px)}
.gloss__card span{position:relative;z-index:2;width:100%;padding:14px;font-family:var(--f-ui);font-weight:700;
  text-transform:uppercase;color:#fff;background:linear-gradient(transparent,rgba(8,9,11,.9));font-size:1rem;letter-spacing:.03em}

/* ============================================================
   FAQ / ACCORDION
   ============================================================ */
.faq{max-width:820px;margin:0 auto}
.faq__item{border-bottom:1px solid var(--line)}
.faq__q{width:100%;text-align:left;background:none;border:0;cursor:pointer;padding:22px 40px 22px 0;
  font-family:var(--f-ui);font-weight:600;font-size:1.08rem;color:#fff;position:relative;letter-spacing:.01em}
.faq__q::after{content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  color:var(--arc);font-size:1.6rem;font-family:var(--f-display);transition:.25s}
.faq__item.open .faq__q::after{content:"–"}
.faq__a{max-height:0;overflow:hidden;transition:max-height .3s ease;color:var(--steel-dim)}
.faq__a p{padding:0 0 22px}
.faq__a b{color:var(--arc-hot)}

/* ============================================================
   FORMS
   ============================================================ */
.form{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{display:flex;flex-direction:column;gap:.4rem}
.field.full{grid-column:1/-1}
.field label{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--steel-dim)}
.field input,.field textarea{
  background:var(--forge);border:1px solid var(--line);border-radius:var(--radius);
  padding:.85rem 1rem;color:#fff;font-family:var(--f-body);font-size:1rem;transition:.2s;
}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--arc);box-shadow:0 0 0 3px rgba(255,90,31,.12)}
.field textarea{min-height:150px;resize:vertical}

/* ============================================================
   NEWS
   ============================================================ */
.news-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:22px}
.post{background:var(--forge-2);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:.25s;display:flex;flex-direction:column}
.post:hover{transform:translateY(-5px);border-color:#3a3f4b}
.post__img{aspect-ratio:16/9;position:relative;background:var(--forge-3)}
.post__img .ph{position:absolute;inset:0;background:repeating-linear-gradient(45deg,#16181d,#16181d 12px,#1a1d23 12px,#1a1d23 24px)}
.post__body{padding:22px;flex:1;display:flex;flex-direction:column}
.post__date{font-family:var(--f-mono);font-size:.72rem;letter-spacing:.14em;color:var(--arc-hot);text-transform:uppercase}
.post h3{color:#fff;font-size:1.25rem;margin:.6rem 0 .5rem}
.post p{color:var(--steel-dim);font-size:.95rem;flex:1}
.post__more{font-family:var(--f-ui);font-weight:600;text-transform:uppercase;font-size:.8rem;
  letter-spacing:.06em;color:var(--arc);margin-top:1rem}

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band{position:relative;background:linear-gradient(120% 100% at 20% 0%,#20130c,var(--forge) 60%);
  border-block:1px solid var(--line);overflow:hidden}
.cta-band .wrap{position:relative;z-index:2;text-align:center;padding:80px 24px}
.cta-band h2{color:#fff}
.cta-band .heat-rule{max-width:120px;margin:0 auto 1.6rem}

/* ============================================================
   FOOTER
   ============================================================ */
footer.ftr{background:#0A0B0D;border-top:1px solid var(--line);padding:70px 0 30px}
.ftr-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
.ftr h4{font-family:var(--f-mono);font-size:.74rem;letter-spacing:.2em;color:var(--arc-hot);
  text-transform:uppercase;margin-bottom:1.2rem}
.ftr a,.ftr p{color:var(--steel-dim);font-size:.94rem;display:block;margin-bottom:.6rem}
.ftr a:hover{color:#fff}
.ftr .brand{margin-bottom:1rem}
.ftr__blurb{font-size:.9rem;line-height:1.6}
.accred{display:flex;flex-wrap:wrap;gap:14px;margin-top:1rem}
.accred .a{font-family:var(--f-mono);font-size:.68rem;letter-spacing:.1em;text-transform:uppercase;
  color:var(--steel-dim);border:1px solid var(--line);border-radius:var(--radius);padding:.5rem .7rem;background:var(--forge-2)}
.accred .a b{color:var(--arc-hot);display:block;font-size:.8rem}
.ftr-bottom{border-top:1px solid var(--line);margin-top:44px;padding-top:24px;display:flex;
  justify-content:space-between;flex-wrap:wrap;gap:12px;font-family:var(--f-mono);font-size:.76rem;color:#5b626e}

/* sticky mobile call bar */
.callbar{position:fixed;left:0;right:0;bottom:0;z-index:50;display:none;
  background:var(--arc);color:#fff;text-align:center;padding:14px;font-family:var(--f-ui);
  font-weight:700;text-transform:uppercase;letter-spacing:.06em;box-shadow:0 -6px 20px rgba(0,0,0,.4)}

/* lightbox */
.lb{position:fixed;inset:0;z-index:100;background:rgba(6,7,9,.94);display:none;
  align-items:center;justify-content:center;padding:30px}
.lb.open{display:flex}
.lb img{max-width:92vw;max-height:86vh;border:1px solid var(--line);border-radius:var(--radius)}
.lb__close{position:absolute;top:22px;right:26px;font-size:2.4rem;color:#fff;cursor:pointer;font-family:var(--f-display)}
.lb__cap{position:absolute;bottom:26px;left:0;right:0;text-align:center;color:var(--steel);font-family:var(--f-mono);font-size:.9rem}

/* reveal — animates in via JS (.in). CSS SAFETY NET: if the IntersectionObserver
   never fires (throttled/blocked context), a pure-CSS animation reveals the element
   after 1.4s so content is NEVER left invisible. The JS .in cancels the fallback. */
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease;
  animation:revealSafe .7s ease 1.4s forwards}
.reveal.in{opacity:1;transform:none;animation:none}
@keyframes revealSafe{to{opacity:1;transform:none}}
@media (prefers-reduced-motion: reduce){.reveal{animation-delay:.2s}}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media(max-width:960px){
  .svc-grid{grid-template-columns:repeat(2,1fr)}
  .split{grid-template-columns:1fr;gap:32px}
  .stats{grid-template-columns:repeat(2,1fr)}
  .ftr-grid{grid-template-columns:1fr 1fr}
  .feature-cols{grid-template-columns:1fr}
}
@media(max-width:720px){
  nav.main{display:none}
  .topbar .phone{display:none}
  .burger{display:flex}
  .section{padding:64px 0}
  .form{grid-template-columns:1fr}
  .svc-grid{grid-template-columns:1fr}
  .callbar{display:block}
  body{padding-bottom:52px}
  .ftr-grid{grid-template-columns:1fr}
  .hero__cta .btn{flex:1}
}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .reveal{opacity:1;transform:none}
}