/* Ironline shared styles — extracted from construction.html (home page keeps its own inline copy) */

  :root{
    --bg:#0a0c10; --bg2:#0f1318; --ink:#eef2f6; --muted:#9aa6b2;
    --line:#1c232c; --steel:#5b6b7a; --accent:#ff6a1a; --accent-soft:#ff8c4d;
    --maxw:1100px;
  }
  *{box-sizing:border-box;margin:0;padding:0}
  html{scroll-behavior:smooth}
  body{background:var(--bg);color:var(--ink);font-family:"Inter","Helvetica Neue",Arial,sans-serif;-webkit-font-smoothing:antialiased;line-height:1.55;overflow-x:hidden}
  a{color:inherit;text-decoration:none}
  .accent{color:var(--accent)}

  /* ── scroll-progress bar ── */
  #progress-bar{position:fixed;top:0;left:0;height:2px;background:var(--accent);z-index:200;width:0%;transform-origin:left;transition:width .05s linear;box-shadow:0 0 8px var(--accent)}

  /* ── loading splash ── */
  #splash{position:fixed;inset:0;z-index:999;background:var(--bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;transition:opacity .6s ease, visibility .6s ease}
  #splash.hidden{opacity:0;visibility:hidden;pointer-events:none}
  .splash-mark{width:22px;height:22px;background:var(--accent);transform:skewX(-12deg);box-shadow:0 0 22px var(--accent);animation:pulse-mark 1s ease-in-out infinite}
  .splash-name{font-size:28px;font-weight:800;letter-spacing:.08em}
  .splash-tag{font-size:11px;letter-spacing:.4em;text-transform:uppercase;color:var(--muted)}
  .splash-bar-wrap{width:180px;height:2px;background:var(--line);border-radius:2px;overflow:hidden;margin-top:8px}
  .splash-bar{height:100%;background:var(--accent);width:0%;animation:splash-load 1s ease forwards}
  @keyframes splash-load{to{width:100%}}
  @keyframes pulse-mark{0%,100%{opacity:1;box-shadow:0 0 22px var(--accent)}50%{opacity:.6;box-shadow:0 0 8px var(--accent)}}

  /* ── nav ── */
  header{position:fixed;top:0;left:0;right:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:18px 32px;transition:background .4s,padding .4s,box-shadow .4s;background:transparent}
  header.scrolled{background:rgba(10,12,16,.92);backdrop-filter:blur(12px);box-shadow:0 1px 0 var(--line);padding:12px 32px}
  .brand{display:flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.04em;font-size:18px}
  .brand .mark{width:14px;height:14px;background:var(--accent);box-shadow:0 0 14px var(--accent);transform:skewX(-12deg);transition:box-shadow .3s}
  header.scrolled .brand .mark{box-shadow:0 0 20px var(--accent)}
  nav a{margin-left:26px;font-size:13px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted);transition:.2s;position:relative}
  nav a::after{content:"";position:absolute;bottom:-4px;left:0;width:0;height:1px;background:var(--accent);transition:.25s}
  nav a.active{color:var(--ink)}
  nav a.active::after,nav a:hover::after{width:100%}
  nav a:hover{color:var(--ink)}
  .cta-top{padding:9px 16px;border:1px solid var(--accent);color:var(--accent);border-radius:2px;font-weight:600;transition:.2s}
  .cta-top::after{display:none}
  .cta-top:hover{background:var(--accent);color:#0a0c10}

  /* ── hero ── */
  .intro-hero{position:relative;height:100vh;width:100%;overflow:hidden;display:flex;align-items:center;justify-content:center;text-align:center}
  .intro-video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;z-index:0}
  .intro-overlay{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(10,12,16,.55),rgba(10,12,16,.3) 42%,rgba(10,12,16,.98))}
  .intro-inner{position:relative;z-index:2;padding:0 24px}
  .intro-eyebrow{font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:var(--accent);margin-bottom:22px;opacity:0;animation:fade-up .8s .4s forwards}
  .intro-title{font-size:clamp(56px,11vw,150px);font-weight:800;letter-spacing:-.02em;line-height:1;opacity:0;animation:fade-up .9s .55s forwards}
  .intro-tag{margin-top:12px;font-size:clamp(14px,1.8vw,22px);letter-spacing:.34em;text-transform:uppercase;color:var(--muted);opacity:0;animation:fade-up .8s .7s forwards}
  .intro-scroll{margin-top:44px;font-size:12px;letter-spacing:.3em;text-transform:uppercase;color:var(--accent-soft);transition:opacity .4s;animation:bob 1.8s 1.4s ease-in-out infinite, fade-up .8s .9s forwards;opacity:0}
  @keyframes fade-up{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:translateY(0)}}
  @keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(7px)}}

  /* ── text sections ── */
  .pad{max-width:var(--maxw);margin:0 auto;padding:26vh 6vw}
  .pad-tight{padding:16vh 6vw}
  .eyebrow{font-size:12px;letter-spacing:.34em;text-transform:uppercase;color:var(--accent);margin-bottom:18px;display:flex;align-items:center;gap:12px}
  .eyebrow::before{content:"";width:40px;height:1px;background:var(--accent)}
  h2{font-size:clamp(30px,4.6vw,60px);line-height:1.04;letter-spacing:-.02em;font-weight:800}
  h2 .o{color:var(--accent)}
  .lede{color:var(--muted);font-size:clamp(16px,1.5vw,21px);max-width:52ch;margin-top:22px}
  .btn-row{display:flex;gap:14px;margin-top:34px;flex-wrap:wrap}
  .btn{padding:14px 26px;border-radius:2px;font-weight:600;font-size:14px;letter-spacing:.03em;transition:.2s}
  .btn-primary{background:var(--accent);color:#0a0c10}
  .btn-primary:hover{background:var(--accent-soft);transform:translateY(-2px);box-shadow:0 6px 20px rgba(255,106,26,.35)}
  .btn-ghost{border:1px solid var(--line);color:var(--ink)}
  .btn-ghost:hover{border-color:var(--steel);transform:translateY(-2px)}

  /* reveal-on-scroll */
  .reveal{opacity:0;transform:translateY(28px);transition:opacity .7s cubic-bezier(.22,1,.36,1),transform .7s cubic-bezier(.22,1,.36,1)}
  .reveal.visible{opacity:1;transform:none}
  .reveal-d1{transition-delay:.08s}
  .reveal-d2{transition-delay:.18s}
  .reveal-d3{transition-delay:.28s}
  .reveal-d4{transition-delay:.38s}

  /* services */
  .svc{border-top:1px solid var(--line);padding:22px 0;display:grid;grid-template-columns:auto 1fr auto;gap:18px;align-items:center;transition:padding .25s,background .25s}
  .svc:hover{padding-left:14px;background:linear-gradient(90deg,rgba(255,106,26,.04),transparent)}
  .svc:hover .arr{color:var(--accent);transform:translateX(5px)}
  .svc .num{color:var(--accent);font-weight:700;font-size:14px;font-variant-numeric:tabular-nums}
  .svc h3{font-size:21px;font-weight:700}
  .svc p{color:var(--muted);font-size:14px;margin-top:3px}
  .svc .arr{color:var(--steel);font-size:20px;transition:color .25s,transform .25s}

  /* stats */
  .stats{display:grid;grid-template-columns:repeat(2,1fr);gap:30px;margin-top:36px}
  .stat .big{font-size:clamp(40px,5vw,64px);font-weight:800;letter-spacing:-.02em}
  .stat .big span{color:var(--accent)}
  .stat .big .numval{display:inline-block}
  .stat .cap{color:var(--muted);font-size:13px;letter-spacing:.04em;margin-top:4px}

  /* projects */
  .proj{border:1px solid var(--line);border-radius:4px;padding:24px;margin-top:16px;background:linear-gradient(180deg,var(--bg2),transparent);transition:border-color .25s,transform .3s cubic-bezier(.22,1,.36,1),box-shadow .3s}
  .proj:hover{border-color:var(--accent);transform:translateY(-5px);box-shadow:0 12px 40px rgba(0,0,0,.4)}
  .proj .tag{font-size:11px;letter-spacing:.2em;text-transform:uppercase;color:var(--accent)}
  .proj h3{font-size:24px;margin:8px 0 6px;font-weight:700}
  .proj p{color:var(--muted);font-size:14px}

  /* contact */
  .contact-card{border:1px solid var(--line);border-radius:6px;padding:40px;background:linear-gradient(180deg,var(--bg2),transparent);margin-top:30px}
  .field{display:flex;flex-direction:column;margin-bottom:16px}
  .field label{font-size:12px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:7px;transition:color .2s}
  .field:focus-within label{color:var(--accent)}
  .field input,.field textarea{background:#0a0c10;border:1px solid var(--line);border-radius:3px;padding:13px;color:var(--ink);font-family:inherit;font-size:15px;transition:border-color .2s,box-shadow .2s}
  .field input:focus,.field textarea:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(255,106,26,.12)}
  .field input::placeholder,.field textarea::placeholder{color:var(--steel)}

  /* ── SCENE: scroll-scrubbed video ── */
  .scene{position:relative;height:230vh;background:#000}
  .scene-sticky{position:sticky;top:0;height:100vh;overflow:hidden;display:flex;align-items:center;justify-content:center}
  .scene video{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;background:#000}
  .scene-grad{position:absolute;inset:0;z-index:1;background:linear-gradient(180deg,rgba(0,0,0,.55),rgba(0,0,0,.12) 42%,rgba(0,0,0,.8))}
  .scene-cap{position:relative;z-index:2;text-align:center;padding:0 24px;max-width:1000px;will-change:opacity,transform}
  .scene-cap .ph{font-size:12px;letter-spacing:.4em;text-transform:uppercase;color:var(--accent);margin-bottom:18px}
  .scene-cap h2{font-size:clamp(34px,6.5vw,86px);line-height:1.02;text-shadow:0 2px 40px rgba(0,0,0,.6)}
  .scene-cap p{color:#d6dee6;font-size:clamp(15px,1.7vw,21px);margin-top:18px;text-shadow:0 2px 24px rgba(0,0,0,.6)}

  .breather{height:14vh;background:#000}

  footer{border-top:1px solid var(--line);padding:48px 6vw;text-align:center;color:var(--muted);font-size:13px}
  footer .mark{display:inline-block;width:10px;height:10px;background:var(--accent);transform:skewX(-12deg);margin-right:6px;vertical-align:middle}
  .credit{margin-top:10px;font-size:12px;color:var(--steel)}

  @media(max-width:760px){
    .scene{height:180vh}
    nav a:not(.cta-top){display:none}
    .stats{grid-template-columns:1fr}
  }

  @media(prefers-reduced-motion:reduce){
    .intro-scroll{animation:none}
    .intro-eyebrow,.intro-title,.intro-tag,.intro-scroll{animation:none;opacity:1;transform:none}
    .reveal{opacity:1;transform:none;transition:none}
    #splash.hidden{transition:none}
  }

/* Hide iOS's big native play button on paused/blocked videos */
video::-webkit-media-controls,
video::-webkit-media-controls-start-playback-button,
video::-webkit-media-controls-overlay-play-button {
  display: none !important;
  -webkit-appearance: none !important;
  opacity: 0 !important;
}

/* ===== 316 SHOWROOM ADD-ONS (Ironline) ===== */
.fx-wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
.fx-head{margin-bottom:30px}
.fx-head h2{font-size:clamp(1.7rem,4.4vw,2.6rem);color:var(--ink);margin:0 0 10px;letter-spacing:-.01em}
.fx-head p{color:var(--muted);max-width:56ch;margin:0}
.blueprint{padding:96px 0;background:var(--bg2);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.drawline{width:100%;max-width:900px;margin:0 auto;display:block}
.drawline path,.drawline line,.drawline rect,.drawline circle{
  stroke:var(--accent);stroke-width:2;fill:none;stroke-linecap:square;
  stroke-dasharray:var(--len,1200);stroke-dashoffset:var(--len,1200);
  transition:stroke-dashoffset 1.5s cubic-bezier(.25,.6,.25,1)}
.drawline.go path,.drawline.go line,.drawline.go rect,.drawline.go circle{stroke-dashoffset:0}
.bp-cap{text-align:center;margin-top:22px;font-size:11px;letter-spacing:.3em;text-transform:uppercase;color:var(--muted)}
.xray{position:relative;max-width:960px;margin:0 auto;aspect-ratio:16/9;border-radius:10px;overflow:hidden;
  border:1px solid var(--line);cursor:col-resize;background:#000}
.xray img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover}
.xray .xr-cover{clip-path:inset(0 0 0 var(--xr,50%))}
.xray .xr-line{position:absolute;top:0;bottom:0;left:var(--xr,50%);width:2px;background:var(--accent);
  box-shadow:0 0 16px rgba(255,106,26,.7);pointer-events:none}
.xray .xr-tag{position:absolute;top:14px;font-size:10px;letter-spacing:.24em;text-transform:uppercase;
  color:var(--ink);background:rgba(10,12,16,.72);padding:6px 10px;border-radius:4px;pointer-events:none}
.xray .xr-a{left:14px}.xray .xr-b{right:14px}
.dragrow{display:flex;gap:16px;overflow-x:auto;padding:6px 0 18px;scroll-snap-type:x mandatory;
  cursor:grab;scrollbar-width:none}
.dragrow::-webkit-scrollbar{display:none}
.dragrow.grabbing{cursor:grabbing}
.dragrow figure{flex:0 0 min(70vw,300px);margin:0;scroll-snap-align:start}
.dragrow img{width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;object-position:center;border-radius:8px;border:1px solid var(--line);background:#0f1318;
  user-select:none;-webkit-user-drag:none}
.dragrow figcaption{color:var(--muted);font-size:.86rem;margin-top:10px;letter-spacing:.04em}
@media (prefers-reduced-motion:reduce){
  .drawline path,.drawline line,.drawline rect,.drawline circle{stroke-dashoffset:0;transition:none}
}