:root {
      --coal: #070706;
      --asphalt: #11100e;
      --bone: #f3ead7;
      --muted: #a59b88;
      --paper: #d9cfbb;
      --signal: #ff5b2e;
      --acid: #d7ff4f;
      --blueprint: #8aa0a8;
      --line: rgba(243,234,215,.18);
      --font-display: "Archivo Black", Impact, sans-serif;
      --font-body: "Archivo", system-ui, sans-serif;
    }

    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; }
    body {
      min-height: 100vh;
      font-family: var(--font-body);
      color: var(--bone);
      background:
        radial-gradient(circle at 10% 10%, rgba(255,91,46,.18), transparent 24rem),
        linear-gradient(115deg, rgba(255,255,255,.035) 0 1px, transparent 1px 100%),
        var(--coal);
      background-size: auto, 88px 88px, auto;
      overflow-x: hidden;
    }

    a { color: inherit; text-decoration: none; }
    button, input, textarea, select { font: inherit; }

    .noise {
      position: fixed;
      inset: 0;
      pointer-events: none;
      opacity: .15;
      background-image: repeating-radial-gradient(circle at 0 0, rgba(255,255,255,.15) 0 1px, transparent 1px 4px);
      mix-blend-mode: overlay;
      z-index: 10;
    }

    .rail {
      position: fixed;
      left: 0;
      top: 0;
      bottom: 0;
      width: 76px;
      border-right: 1px solid var(--line);
      background: rgba(7,7,6,.72);
      backdrop-filter: blur(18px);
      z-index: 30;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: space-between;
      padding: 22px 0;
    }
    .rail-logo {
      writing-mode: vertical-rl;
      transform: rotate(180deg);
      font-family: var(--font-display);
      letter-spacing: .08em;
      font-size: 15px;
      color: var(--bone);
    }
    .rail-dot {
      width: 14px;
      height: 14px;
      border-radius: 50%;
      background: var(--acid);
      box-shadow: 0 0 28px rgba(215,255,79,.55);
    }
    .rail-phone {
      writing-mode: vertical-rl;
      transform: rotate(180deg);
      color: var(--muted);
      font-size: 12px;
      font-weight: 800;
      letter-spacing: .18em;
    }

    .topnav {
      position: fixed;
      left: 76px;
      right: 0;
      top: 0;
      height: 72px;
      z-index: 29;
      border-bottom: 1px solid var(--line);
      background: rgba(7,7,6,.72);
      backdrop-filter: blur(18px);
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 0 32px;
    }
    .nav-links { display: flex; gap: 26px; list-style: none; }
    .nav-links a {
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: .16em;
      font-weight: 900;
      color: var(--muted);
    }
    .nav-links a:hover { color: var(--acid); }
    .nav-status {
      display: flex;
      align-items: center;
      gap: 12px;
      color: var(--bone);
      font-weight: 900;
      font-size: 12px;
      text-transform: uppercase;
      letter-spacing: .14em;
    }
    .nav-status span {
      width: 8px; height: 8px; border-radius: 99px; background: var(--acid);
      box-shadow: 0 0 18px rgba(215,255,79,.7);
    }
    .menu { display: none; border: 1px solid var(--line); background: transparent; color: var(--bone); width: 44px; height: 44px; }

    main { padding-left: 76px; }
    section, header { position: relative; }
    .container { width: min(1240px, calc(100vw - 96px)); margin: 0 auto; }

    .hero {
      min-height: 100vh;
      display: grid;
      align-items: end;
      padding: 130px 0 52px;
      overflow: hidden;
    }
    .hero::before {
      content: "METALL";
      position: absolute;
      right: -3vw;
      top: 13vh;
      font-family: var(--font-display);
      font-size: clamp(72px, 13vw, 240px);
      letter-spacing: -.09em;
      color: rgba(243,234,215,.035);
      line-height: .8;
      z-index: -1;
    }
    .hero-grid {
      display: grid;
      grid-template-columns: 1fr minmax(0,360px);
      gap: 50px;
      align-items: end;
    }
    .kicker {
      display: inline-flex;
      align-items: center;
      gap: 14px;
      color: var(--acid);
      font-weight: 900;
      text-transform: uppercase;
      letter-spacing: .18em;
      font-size: 12px;
      margin-bottom: 22px;
    }
    .kicker::before { content:""; width: 54px; height: 2px; background: var(--acid); }
    h1, h2, h3 { font-family: var(--font-display); line-height: .83; letter-spacing: -.065em; text-transform: uppercase; }
    h1 { font-size: clamp(48px, 8.5vw, 140px); max-width: 1020px; }
    h2 { font-size: clamp(38px, 6vw, 96px); }
    h3 { font-size: clamp(20px, 2.4vw, 36px); }
    .lead {
      max-width: 730px;
      color: rgba(243,234,215,.78);
      font-size: clamp(18px, 2.1vw, 25px);
      line-height: 1.42;
      margin-top: 28px;
    }
    .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; }
    .btn {
      min-height: 58px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 16px 22px;
      border: 1px solid var(--line);
      background: rgba(243,234,215,.04);
      color: var(--bone);
      font-weight: 1000;
      letter-spacing: .1em;
      text-transform: uppercase;
      font-size: 12px;
      transition: transform .2s, background .2s, color .2s;
    }
    .btn:hover { transform: translateY(-3px); }
    .btn-primary { background: var(--acid); color: #12120d; border-color: var(--acid); }
    .btn-signal { background: var(--signal); border-color: var(--signal); }

    .field-note {
      border: 1px solid var(--line);
      background: rgba(17,16,14,.74);
      min-height: 540px;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transform: rotate(1.4deg);
      box-shadow: 0 50px 120px rgba(0,0,0,.42);
    }
    .image-box {
      position: relative;
      min-height: 330px;
      border-bottom: 1px solid var(--line);
      background: #181713;
      overflow: hidden;
    }
    .image-box img {
      position: absolute;
      inset: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      filter: brightness(.82) saturate(.85) contrast(1.06);
      transition: filter .5s ease, transform .6s ease;
    }
    .image-box:hover img {
      filter: brightness(.92) saturate(.95);
      transform: scale(1.03);
    }
    .image-box::after { display:none; }
    .note-body { padding: 24px; }
    .note-body b { display:block; font-family: var(--font-display); font-size: 34px; line-height: .9; text-transform: uppercase; letter-spacing: -.05em; }
    .note-body p { color: var(--muted); margin-top: 12px; }

    .ticker {
      border-block: 1px solid var(--line);
      overflow: hidden;
      background: var(--acid);
      color: #12120d;
      font-family: var(--font-display);
      white-space: nowrap;
      font-size: clamp(34px, 5.5vw, 80px);
      line-height: 1;
      letter-spacing: -.05em;
      padding: 15px 0;
    }
    .ticker span { display: inline-block; animation: move 24s linear infinite; }
    @keyframes move { to { transform: translateX(-50%); } }

    .section { padding: 80px 0; }
    .section.compact { padding: 56px 0; }
    .split { display: grid; grid-template-columns: .9fr 1.1fr; gap: 56px; align-items: start; }
    .copy p { color: rgba(243,234,215,.74); font-size: 18px; line-height: 1.65; margin-top: 22px; }

    .proof-stack { display: grid; gap: 12px; }
    .proof {
      border: 1px solid var(--line);
      padding: 22px;
      background: rgba(243,234,215,.035);
      display: grid;
      grid-template-columns: 94px 1fr;
      gap: 22px;
      align-items: center;
    }
    .proof-number { font-family: var(--font-display); font-size: 58px; color: var(--signal); line-height: .85; letter-spacing: -.08em; }
    .proof b { display:block; text-transform: uppercase; font-weight: 1000; margin-bottom: 6px; }
    .proof span { color: var(--muted); }

    .process {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      border-top: 1px solid var(--line);
      border-left: 1px solid var(--line);
      margin-top: 48px;
    }
    .process-card {
      min-height: 340px;
      border-right: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
      padding: 24px;
      background: rgba(243,234,215,.03);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .process-card em { font-style: normal; color: var(--acid); font-weight: 1000; letter-spacing: .14em; font-size: 12px; }
    .process-card b { font-family: var(--font-display); text-transform: uppercase; font-size: 38px; line-height: .9; letter-spacing: -.055em; }
    .process-card p { color: var(--muted); }

    .metals-lab {
      display: grid;
      grid-template-columns: 370px 1fr;
      gap: 24px;
      margin-top: 42px;
    }
    .lab-panel {
      border: 1px solid var(--line);
      background: rgba(17,16,14,.72);
      padding: 24px;
      min-height: 520px;
      position: sticky;
      top: 100px;
    }
    .lab-panel h3 { color: var(--acid); }
    .lab-panel p { margin-top: 18px; color: var(--muted); line-height: 1.7; }
    .metals-board {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 12px;
    }
    .metal-tile {
      --m: #999;
      min-height: 250px;
      border: 1px solid var(--line);
      background:
        linear-gradient(140deg, rgba(243,234,215,.05), rgba(243,234,215,.01)),
        var(--asphalt);
      padding: 24px;
      position: relative;
      overflow: hidden;
      isolation: isolate;
      transition: transform .22s ease, border-color .22s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .metal-tile::before {
      content:"";
      position: absolute;
      inset: 0;
      background:
        radial-gradient(circle at 20% 20%, color-mix(in srgb, var(--m), white 25%), transparent 30%),
        linear-gradient(135deg, color-mix(in srgb, var(--m), black 5%), rgba(7,7,6,.15));
      opacity: 0;
      transition: opacity .25s ease;
      z-index: -1;
    }
    .metal-tile::after {
      content: attr(data-symbol);
      position:absolute;
      right: -8px;
      bottom: -28px;
      font-family: var(--font-display);
      font-size: 150px;
      line-height: .8;
      color: rgba(255,255,255,.08);
      letter-spacing: -.09em;
    }
    .metal-tile:hover {
      transform: translateX(8px) rotate(-1deg);
      border-color: color-mix(in srgb, var(--m), white 30%);
    }
    .metal-tile:hover::before { opacity: 1; }
    .metal-tile h3 { position: relative; z-index: 2; }
    .metal-tile p { color: rgba(243,234,215,.78); position: relative; z-index: 2; margin-top: 12px; }
    .metal-link { position: relative; z-index:2; color: var(--bone); font-weight: 1000; text-transform: uppercase; letter-spacing: .14em; font-size: 12px; }

    .image-grid {
      display: grid;
      grid-template-columns: 1.2fr .8fr;
      gap: 14px;
      margin-top: 42px;
    }
    .image-grid .image-box:first-child { min-height: 540px; }
    .image-grid .stack { display:grid; gap:14px; }

    .cta-slab {
      padding: 76px 0;
      background: var(--paper);
      color: #15120d;
      overflow: hidden;
    }
    .cta-slab h2 { color:#15120d; }
    .cta-slab .container { display:flex; align-items:end; justify-content:space-between; gap:40px; }
    .cta-slab p { max-width: 520px; color: rgba(21,18,13,.72); font-weight: 700; margin-top: 18px; }
    .cta-slab .btn { background:#15120d; color:var(--bone); border-color:#15120d; }

    .case-strip {
      display:grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 14px;
      margin-top: 42px;
    }
    .case-card {
      background: rgba(243,234,215,.04);
      border: 1px solid var(--line);
      padding: 24px;
      min-height: 260px;
    }
    .case-card small { color: var(--acid); font-weight: 1000; letter-spacing: .16em; text-transform: uppercase; }
    .case-card b { display:block; font-family: var(--font-display); font-size: 42px; line-height:.88; margin-top: 28px; text-transform: uppercase; letter-spacing: -.06em; }
    .case-card p { color: var(--muted); margin-top: 16px; }

    .contact {
      display:grid;
      grid-template-columns: 1fr 1fr;
      gap: 18px;
      margin-top: 42px;
    }
    .contact-box {
      border:1px solid var(--line);
      background: rgba(17,16,14,.72);
      padding: 28px;
    }
    .contact-row { display:flex; justify-content:space-between; gap:18px; border-bottom:1px solid var(--line); padding: 14px 0; color:var(--muted); }
    .contact-row:last-child { border-bottom:0; }
    .contact-row b { color:var(--bone); }
    form { display:grid; gap:12px; }
    input, textarea, select { width:100%; border:1px solid var(--line); background:#0b0a09; color:var(--bone); padding:16px; outline:none; }
    textarea { min-height:130px; resize:vertical; }

    .metal-page { display:none; }
    body.show-metal .home-page { display:none; }
    body.show-metal .metal-page { display:block; }
    .metal-hero {
      min-height: 88vh;
      padding: 140px 0 70px;
      display:grid;
      align-items:end;
      background:
        radial-gradient(circle at 75% 20%, color-mix(in srgb, var(--metal), transparent 50%), transparent 32rem),
        var(--coal);
    }
    .back { display:inline-flex; margin-bottom:28px; color:var(--muted); font-weight:1000; text-transform:uppercase; letter-spacing:.15em; font-size:12px; }
    .quality-wall { display:grid; grid-template-columns: repeat(3,1fr); gap: 12px; margin-top:42px; }
    .quality-card { border:1px solid var(--line); background:rgba(243,234,215,.04); padding:24px; min-height:190px; }
    .quality-card b { display:block; font-family:var(--font-display); font-size:34px; line-height:.9; text-transform:uppercase; letter-spacing:-.06em; }
    .quality-card span { display:block; color:var(--muted); margin-top:14px; }

    footer { padding:44px 0 60px 76px; border-top:1px solid var(--line); color:var(--muted); }

    @media (max-width: 1080px) {
      .hero-grid, .split, .metals-lab, .image-grid, .contact { grid-template-columns: 1fr; }
      .field-note { transform:none; }
      .process, .case-strip, .quality-wall { grid-template-columns: repeat(2,1fr); }
      .lab-panel { position:relative; top:auto; min-height:auto; }
      .hero-grid { gap:28px; }
      .section { padding:60px 0; }
    }
    @media (max-width: 760px) {
      .rail { width:0 !important; overflow:hidden; border:none; padding:0; }
      .topnav { left:0; padding:0 16px; height:58px; }
      main { padding-left:0; padding-top:58px; }
      footer { padding-left:0; padding:32px 16px; }
      .container { width: min(100% - 24px, 1240px); }
      .nav-links { display:none; position:fixed; top:58px; left:0; right:0; padding:20px; background:#080807; border-bottom:1px solid var(--line); flex-direction:column; z-index:50; }
      .nav-links.open { display:flex; }
      .menu { display:block; }
      .nav-status { display:none; }
      h1 { font-size: clamp(38px, 12vw, 72px) !important; }
      h2 { font-size: clamp(30px, 9vw, 58px) !important; }
      h3 { font-size: clamp(18px, 5vw, 28px) !important; }
      .section { padding: 44px 0; }
      .process, .metals-board, .case-strip, .quality-wall, .contact { grid-template-columns:1fr; }
      .cta-slab .container { display:block; }
      .image-box { min-height:220px; }
      .hero-actions { flex-direction:column; gap:10px; }
      .hero-actions .btn { width:100%; text-align:center; justify-content:center; }
      .trust-bar { grid-template-columns: repeat(2,1fr); gap:1px; }
    }
  
  @media (max-width: 480px) {
    .trust-bar { grid-template-columns: 1fr 1fr; }
    .process, .quality-wall { grid-template-columns: 1fr; }
    .metals-board { grid-template-columns: repeat(2,1fr); }
    h1 { font-size: clamp(34px, 11vw, 56px) !important; }
    .section { padding: 36px 0; }
    .image-box { min-height: 180px; }
  }
  

/* Shared fixes for real subpages */
.nav-links.open { display: flex; }
@media (max-width: 760px) {
  .nav-links.open {
    position: absolute;
    left: 16px;
    right: 16px;
    top: 58px;
    display: grid !important;
    gap: 0;
    padding: 12px;
    border: 1px solid var(--line);
    background: rgba(7,7,6,.96);
    backdrop-filter: blur(18px);
  }
  .nav-links.open a { display: block; padding: 12px 10px; }
}