:root{
    --bg: #f6f4ef;
    --surface: #ffffff;
    --surface-alt: #efebe2;
    --ink: #17181c;
    --ink-soft: #57595f;
    --ink-faint: #8a8c92;
    --line: #e0dbcf;
    --line-strong: #cfc9b9;
    --accent: #ff5a1f;
    --accent-strong: #b8380f;
    --accent-soft: #ffe6d8;
    --blue: #2454ff;
    --blue-soft: #e4eaff;
    --grad-accent: linear-gradient(135deg,#ff9257 0%,#ff5a1f 45%,#b8380f 100%);
    --grad-dark: radial-gradient(120% 160% at 15% 0%, #2b2d34 0%, #17181c 45%, #0b0c0e 100%);
    --shadow-card: 0 2px 6px -2px rgba(23,24,28,.06), 0 24px 48px -28px rgba(23,24,28,.28);
    --shadow-premium: 0 30px 70px -24px rgba(184,56,15,.35), 0 12px 30px -16px rgba(23,24,28,.25);
    --radius-s: 10px;
    --radius-m: 16px;
    --radius-l: 28px;
    --font-display: "Space Grotesk","Neue Haas Grotesk Display","Inter Tight",system-ui,-apple-system,"Segoe UI",sans-serif;
    --font-body: -apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
    --font-mono: ui-monospace,"SF Mono","Cascadia Code","JetBrains Mono","Roboto Mono",Menlo,Consolas,monospace;
    --container: 1200px;
    --mx: 50%; --my: 50%;
    color-scheme: light;
  }

  *,*::before,*::after{ box-sizing:border-box; }
  html{ scroll-behavior:smooth; }
  @media (prefers-reduced-motion: reduce){ html{ scroll-behavior:auto; } }

  body{
    margin:0;
    background:var(--bg);
    color:var(--ink);
    font-family:var(--font-body);
    font-size:16px;
    line-height:1.5;
    -webkit-font-smoothing:antialiased;
    overflow-x:hidden;
  }

  img,svg{ display:block; max-width:100%; }
  a{ color:inherit; text-decoration:none; }
  ul{ margin:0; padding:0; list-style:none; }
  button{ font-family:inherit; cursor:pointer; }
  input,select,textarea{ font-family:inherit; font-size:inherit; }

  :focus-visible{ outline:2.5px solid var(--blue); outline-offset:3px; border-radius:4px; }

  .grain{
    position:fixed; inset:0; z-index:9998; pointer-events:none; opacity:.05; mix-blend-mode:overlay;
    background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  }

  .scroll-bar{ position:fixed; top:0; left:0; height:3px; width:0%; background:var(--grad-accent); z-index:9999; transition:width .08s linear; }

  .wrap{ max-width:var(--container); margin:0 auto; padding:0 32px; }
  @media (max-width:720px){ .wrap{ padding:0 20px; } }

  .eyebrow{
    font-family:var(--font-mono); font-size:12.5px; letter-spacing:.14em; text-transform:uppercase;
    color:var(--accent-strong); display:inline-flex; align-items:center; gap:8px;
  }
  .eyebrow::before{ content:""; width:7px; height:7px; background:var(--accent); border-radius:1px; transform:rotate(45deg); flex:none; }

  h1,h2,h3,h4{ font-family:var(--font-display); font-weight:700; letter-spacing:-0.02em; margin:0; color:var(--ink); }

  .btn{
    position:relative;
    display:inline-flex; align-items:center; justify-content:center; gap:10px;
    padding:15px 26px; border-radius:999px; font-weight:600; font-size:15px;
    border:1.5px solid transparent; white-space:nowrap;
    transition:transform .18s cubic-bezier(.2,.8,.3,1.3), box-shadow .18s ease, background .18s ease, border-color .18s ease;
  }
  .btn-primary{
    background:var(--grad-accent); color:#fff;
    box-shadow:var(--shadow-premium);
  }
  .btn-primary:hover{ box-shadow:0 16px 34px -12px rgba(184,56,15,.55), 0 6px 14px -8px rgba(23,24,28,.3); }
  .btn-ghost{ background:transparent; color:var(--ink); border-color:var(--line-strong); }
  .btn-ghost:hover{ border-color:var(--ink); background:var(--surface); }
  .btn-sm{ padding:10px 18px; font-size:13.5px; }
  .magnetic{ will-change:transform; }

  .layer-divider{ width:100%; height:20px; display:block; color:var(--line-strong); }

  /* ---------- marquee ---------- */
  .marquee{ overflow:hidden; background:var(--ink); padding:14px 0; }
  .marquee-track{ display:flex; width:max-content; animation:marquee 26s linear infinite; }
  .marquee-track span{
    font-family:var(--font-mono); font-size:13.5px; letter-spacing:.08em; text-transform:uppercase;
    color:#8b8d95; padding:0 28px; display:flex; align-items:center; gap:28px; white-space:nowrap;
  }
  .marquee-track span b{ color:#fff; font-weight:600; }
  .marquee-track span::after{ content:"◆"; color:var(--accent); font-size:9px; }
  @keyframes marquee{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }
  @media (prefers-reduced-motion: reduce){ .marquee-track{ animation:none; } }

  /* ---------- header ---------- */
  header{
    position:sticky; top:0; z-index:100;
    background:rgba(246,244,239,.82); backdrop-filter:blur(10px) saturate(1.1);
    border-bottom:1px solid transparent; transition:border-color .25s ease, background .25s ease;
  }
  header.scrolled{ border-bottom-color:var(--line); background:rgba(246,244,239,.96); }
  .nav{ display:flex; align-items:center; justify-content:space-between; padding:16px 0; }
  .logo{ display:flex; align-items:center; gap:10px; font-family:var(--font-display); font-weight:700; font-size:19px; letter-spacing:-0.01em; }
  .logo-mark{ width:32px; height:32px; flex:none; filter:drop-shadow(0 4px 8px rgba(184,56,15,.35)); }
  .logo b{ background:var(--grad-accent); -webkit-background-clip:text; background-clip:text; color:transparent; }

  .nav-links{ display:flex; gap:30px; font-size:14.5px; font-weight:500; color:var(--ink-soft); }
  .nav-links a{ position:relative; padding:4px 0; transition:color .15s ease; }
  .nav-links a:hover{ color:var(--ink); }
  .nav-links a::after{
    content:""; position:absolute; left:0; right:0; bottom:-2px; height:2px; background:var(--grad-accent);
    transform:scaleX(0); transform-origin:left; transition:transform .2s ease;
  }
  .nav-links a:hover::after{ transform:scaleX(1); }

  .nav-right{ display:flex; align-items:center; gap:16px; }
  .nav-phone{ font-family:var(--font-mono); font-size:14px; font-weight:600; }
  .nav-toggle{
    display:none; -webkit-appearance:none; appearance:none; background:none; border:none;
    padding:8px; margin:0; flex:none; width:38px; height:38px; align-items:center; justify-content:center;
    flex-direction:column; gap:5px; cursor:pointer; position:relative; z-index:2;
  }
  .nav-toggle span{
    width:22px; height:2px; background:var(--ink); border-radius:2px;
    transition:transform .25s cubic-bezier(.5,0,.5,1), opacity .2s ease;
  }
  .nav-toggle[aria-expanded="true"] span:nth-child(1){ transform:translateY(7px) rotate(45deg); }
  .nav-toggle[aria-expanded="true"] span:nth-child(2){ opacity:0; }
  .nav-toggle[aria-expanded="true"] span:nth-child(3){ transform:translateY(-7px) rotate(-45deg); }

  @media (max-width:920px){
    .nav-links{ display:none; } .nav-phone{ display:none; } .nav-toggle{ display:flex; }
  }

  .mobile-menu{ display:none; flex-direction:column; padding:6px 0 22px; border-top:1px solid var(--line); gap:2px; }
  .mobile-menu.open{ display:flex; }
  .mobile-menu a{ padding:12px 4px; font-size:15px; font-weight:500; color:var(--ink-soft); border-bottom:1px solid var(--line); display:block; }
  .mobile-menu button.btn{ margin-top:14px; }
  @media (prefers-reduced-motion: reduce){ .nav-toggle span{ transition:none; } }

  /* ---------- hero ---------- */
  .hero{ position:relative; padding:28px 0 22px; overflow:hidden; }
  .hero-blobs{ position:absolute; inset:-10% -10% -10% -10%; z-index:0; pointer-events:none; }
  .blob{ position:absolute; border-radius:50%; filter:blur(70px); opacity:.5; animation:drift 22s ease-in-out infinite; }
  .blob-a{ width:480px; height:480px; top:-160px; left:-120px; background:radial-gradient(circle,#ffb98a 0%,transparent 70%); }
  .blob-b{ width:420px; height:420px; top:80px; right:-140px; background:radial-gradient(circle,#c9d4ff 0%,transparent 70%); animation-delay:-8s; animation-duration:26s; }
  @keyframes drift{ 0%,100%{ transform:translate(0,0) scale(1); } 50%{ transform:translate(30px,-24px) scale(1.08); } }
  @media (prefers-reduced-motion: reduce){ .blob{ animation:none; } }

  .hero-grid-bg{
    position:absolute; inset:0; z-index:0;
    background-image:linear-gradient(var(--line) 1px, transparent 1px), linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:42px 42px; background-position:center -1px;
    -webkit-mask-image:radial-gradient(650px 420px at var(--mx) var(--my), black 0%, transparent 75%), linear-gradient(to bottom, black 55%, transparent 100%);
    -webkit-mask-composite:source-in; mask-composite:intersect;
    mask-image:radial-gradient(650px 420px at var(--mx) var(--my), black 0%, transparent 75%), linear-gradient(to bottom, black 55%, transparent 100%);
    opacity:.9;
  }
  .hero-inner{ position:relative; z-index:1; }

  .hero-grid{ display:grid; grid-template-columns:1.05fr .95fr; gap:44px; align-items:center; padding-top:4px; }
  @media (max-width:980px){ .hero-grid{ grid-template-columns:1fr; gap:32px; } }

  .hero h1{
    font-size:clamp(32px,4.4vw,52px); line-height:1.06; margin:12px 0 14px;
  }
  .h1-line{ display:block; overflow:hidden; }
  .h1-line span{
    display:inline-block; opacity:0; transform:translateY(100%) rotate(2deg);
    animation:lineUp .8s cubic-bezier(.16,1,.3,1) forwards;
  }
  .h1-line:nth-child(1) span{ animation-delay:.05s; }
  .h1-line:nth-child(2) span{ animation-delay:.22s; background:var(--grad-accent); -webkit-background-clip:text; background-clip:text; color:transparent; }
  @keyframes lineUp{ to{ opacity:1; transform:translateY(0) rotate(0); } }
  @media (prefers-reduced-motion: reduce){ .h1-line span{ animation:none; opacity:1; transform:none; } }

  .hero p.lead{ font-size:16.5px; color:var(--ink-soft); max-width:52ch; margin:0 0 18px; }

  .price-chips{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:20px; }
  .chip{ font-family:var(--font-mono); font-size:13px; background:var(--accent-soft); color:var(--accent-strong); border-radius:999px; padding:7px 13px; font-weight:600; }
  .chip.blue{ background:var(--blue-soft); color:#1d3fd6; }
  .chip.dark{ background:var(--ink); color:#ffcda6; }

  .hero-ctas{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:12px; }
  .hero-trust{ font-size:13.5px; color:var(--ink-faint); }
  .hero-trust b{ color:var(--ink-soft); }

  /* ---- hero print visual ---- */
  .print-stage{
    position:relative; background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-l);
    padding:20px 20px 16px; box-shadow:var(--shadow-premium);
  }
  .print-stage-head{ display:flex; justify-content:space-between; align-items:center; margin-bottom:12px; }
  .print-stage-head .eyebrow{ font-size:11px; }
  .rec-dot{ width:8px; height:8px; border-radius:50%; background:var(--accent); box-shadow:0 0 0 4px var(--accent-soft); animation:pulse 1.6s ease-in-out infinite; }
  @keyframes pulse{ 0%,100%{ opacity:1; } 50%{ opacity:.35; } }

  .print-canvas{
    position:relative; width:100%; aspect-ratio:260/210;
    background:radial-gradient(120% 90% at 50% 100%, #fbf1e8 0%, var(--surface-alt) 70%);
    border-radius:var(--radius-m); overflow:hidden; border:1px solid var(--line);
  }
  .print-canvas svg{ width:100%; height:100%; }

  .bed-line{ stroke:var(--line-strong); stroke-width:2; }
  .rig-line{ stroke:var(--line-strong); stroke-width:2; stroke-linecap:round; }
  .layer-lines{ stroke:rgba(255,255,255,.4); stroke-width:.8; }
  .nozzle-body{ fill:var(--ink); }
  .nozzle-tip{ fill:var(--accent); }
  .shine{ mix-blend-mode:overlay; animation:shineMove 4.6s ease-in-out infinite; }
  @keyframes shineMove{ 0%{ transform:translateX(-90px) skewX(-18deg); opacity:0; } 20%{ opacity:.85; } 55%{ transform:translateX(90px) skewX(-18deg); opacity:0; } 100%{ transform:translateX(90px) skewX(-18deg); opacity:0; } }

  .float-bob{ animation:floatBob 4.5s ease-in-out infinite; }
  @keyframes floatBob{ 0%,100%{ transform:translateY(0); } 50%{ transform:translateY(-5px); } }
  .showcase-svg{ overflow:hidden; border-radius:inherit; }

  @keyframes carriageX{
    0%,4%{ transform:translateX(0); }
    12%{ transform:translateX(80px); }
    20%{ transform:translateX(80px); }
    28%{ transform:translateX(0); }
    36%{ transform:translateX(0); }
    44%{ transform:translateX(80px); }
    100%{ transform:translateX(80px); }
  }
  .carriage-group{ animation:carriageX 6s cubic-bezier(.5,0,.5,1) infinite; }

  @keyframes nozzleXY{
    0%,4%{ transform:translateX(0) translateY(0); }
    12%{ transform:translateX(80px) translateY(0); }
    16%,20%{ transform:translateX(80px) translateY(-25px); }
    28%{ transform:translateX(0) translateY(-25px); }
    32%,36%{ transform:translateX(0) translateY(-43px); }
    44%{ transform:translateX(80px) translateY(-43px); }
    100%{ transform:translateX(80px) translateY(-43px); }
  }
  .nozzle-group{ animation:nozzleXY 6s cubic-bezier(.5,0,.5,1) infinite; }

  .grow-1{ animation:growLayer .3s ease forwards .3s; opacity:0; }
  .grow-2{ animation:growLayer .3s ease forwards 1s; opacity:0; }
  .grow-3{ animation:growLayer .3s ease forwards 2s; opacity:0; }
  @keyframes growLayer{ to{ opacity:1; } }
  .print-loop{ animation:loopReset 6s linear infinite; }
  @keyframes loopReset{ 0%,94%{ opacity:1; } 97%{ opacity:0; } 98%{ opacity:0; } 100%{ opacity:1; } }

  @media (prefers-reduced-motion: reduce){
    .carriage-group{ animation:none; transform:translateX(80px); }
    .nozzle-group{ animation:none; transform:translateX(80px) translateY(-43px); }
    .grow-1,.grow-2,.grow-3{ animation:none; opacity:1; }
    .shine{ animation:none; opacity:0; }
    .float-bob{ animation:none; }
  }

  .print-caption{ display:flex; justify-content:space-between; margin-top:12px; font-family:var(--font-mono); font-size:11.5px; color:var(--ink-faint); }

  .float-badge{
    position:absolute; background:var(--surface); border:1px solid var(--line); border-radius:14px;
    padding:10px 14px; box-shadow:var(--shadow-card); font-size:12.5px; font-weight:600; display:flex; align-items:center; gap:8px;
  }
  .float-badge.top{ top:-16px; right:22px; }
  .float-badge.bottom{ bottom:-16px; left:22px; }
  .float-badge svg{ flex:none; }

  /* ---------- stats strip ---------- */
  .stats{ border-top:1px solid var(--line); border-bottom:1px solid var(--line); background:var(--surface); position:relative; z-index:1; }
  .stats-grid{ display:grid; grid-template-columns:repeat(4,1fr); padding:28px 0; }
  .stat{ padding:0 24px; border-left:1px solid var(--line); }
  .stat:first-child{ border-left:none; padding-left:0; }
  .stat-num{ font-family:var(--font-mono); font-weight:700; font-size:26px; color:var(--ink); }
  .stat-label{ font-size:13px; color:var(--ink-soft); margin-top:4px; }
  .stat-label-strong{ font-size:15px; font-weight:700; color:var(--ink); }
  @media (max-width:860px){
    .stats-grid{ grid-template-columns:repeat(2,1fr); row-gap:22px; }
    .stat:nth-child(3){ border-left:none; } .stat:nth-child(odd){ border-left:none; }
  }

  .section-pad{ padding:96px 0; }
  @media (max-width:720px){ .section-pad{ padding:64px 0; } }
  .alt-bg{ background:var(--surface-alt); }

  .section-head{ max-width:640px; margin-bottom:52px; }
  .section-head h2{ font-size:clamp(28px,3.4vw,40px); margin:14px 0 14px; }
  .section-head p{ color:var(--ink-soft); font-size:16.5px; }

  [data-reveal]{
    opacity:0; transform:translateY(26px); transition:opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);
  }
  [data-reveal].in-view{ opacity:1; transform:translateY(0); }
  @media (prefers-reduced-motion: reduce){ [data-reveal]{ opacity:1; transform:none; transition:none; } }

  /* ---------- services ---------- */
  .services-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line); border:1px solid var(--line); border-radius:var(--radius-m); overflow:hidden; }
  @media (max-width:860px){ .services-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (max-width:560px){ .services-grid{ grid-template-columns:1fr; } }
  .service-card{ position:relative; background:var(--surface); padding:32px 28px; transition:background .2s ease; overflow:hidden; }
  .service-card::before{
    content:""; position:absolute; inset:0; opacity:0; pointer-events:none; transition:opacity .3s ease;
    background:radial-gradient(220px circle at var(--sx,50%) var(--sy,0%), rgba(255,90,31,.1), transparent 70%);
  }
  .service-card:hover::before{ opacity:1; }
  .service-card:hover{ background:#fffaf6; }
  .service-icon{ width:72px; height:72px; margin-bottom:16px; }
  .service-card h3{ font-size:18px; margin-bottom:8px; }
  .service-card p{ font-size:14.5px; color:var(--ink-soft); margin:0 0 16px; }
  .service-link{ font-size:13.5px; font-weight:600; color:var(--accent-strong); display:inline-flex; align-items:center; gap:5px; background:none; border:none; padding:0; font-family:inherit; cursor:pointer; }
  .service-link svg{ transition:transform .15s ease; }
  .service-card:hover .service-link svg{ transform:translateX(3px); }

  /* ---------- process ---------- */
  .process-row{ display:grid; grid-template-columns:repeat(5,1fr); gap:22px; position:relative; }
  .process-row::before{
    content:""; position:absolute; top:23px; left:0; right:0; height:2px;
    background:repeating-linear-gradient(90deg, var(--line-strong) 0 8px, transparent 8px 14px);
  }
  @media (max-width:980px){ .process-row{ grid-template-columns:1fr; gap:0; } .process-row::before{ display:none; } }
  .process-step{ position:relative; }
  @media (max-width:980px){
    .process-step{ display:grid; grid-template-columns:46px 1fr; gap:18px; padding:20px 0; border-bottom:1px solid var(--line); }
    .process-step:last-child{ border-bottom:none; }
  }
  .process-num{
    font-family:var(--font-mono); font-weight:700; font-size:14px; width:46px; height:46px; border-radius:50%;
    background:var(--surface); border:2px solid var(--ink); display:flex; align-items:center; justify-content:center;
    margin-bottom:18px; position:relative; z-index:2;
  }
  .process-step:nth-child(3) .process-num{ background:var(--grad-accent); color:#fff; border-color:transparent; }
  .process-step h3{ font-size:15.5px; margin-bottom:6px; }
  .process-step p{ font-size:13.5px; color:var(--ink-soft); margin:0; }

  /* ---------- modeling pipeline ---------- */
  .pipeline{ display:grid; grid-template-columns:repeat(5,1fr); gap:14px; align-items:stretch; }
  @media (max-width:900px){ .pipeline{ grid-template-columns:repeat(2,1fr); } }
  .pipe-card{
    background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-m);
    padding:20px 14px; text-align:center; display:flex; flex-direction:column; align-items:center; gap:14px;
  }
  .pipe-shape{ width:100%; height:104px; display:flex; align-items:center; justify-content:center; }
  .pipe-card h3{ font-size:13.5px; font-weight:600; }
  .pipe-card span{ font-family:var(--font-mono); font-size:11px; color:var(--ink-faint); }
  .pipe-arrow{ display:flex; align-items:center; justify-content:center; color:var(--line-strong); }
  @media (max-width:900px){ .pipe-arrow{ display:none; } }

  /* ---------- materials ---------- */
  .mat-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:16px; }
  @media (max-width:700px){ .mat-grid{ grid-template-columns:1fr; } }
  .mat-card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-m); padding:24px 22px; }
  .mat-swatch{ width:30px; height:30px; border-radius:9px; margin-bottom:16px; box-shadow:0 8px 16px -8px rgba(23,24,28,.35); }
  .mat-card h3{ font-size:16px; margin-bottom:6px; }
  .mat-card p{ font-size:13.5px; color:var(--ink-soft); margin:0 0 14px; }
  .mat-price{ font-family:var(--font-mono); font-weight:700; color:var(--accent-strong); font-size:14.5px; }

  /* ---------- portfolio ---------- */
  .filter-row{ display:flex; gap:8px; flex-wrap:wrap; margin-bottom:30px; }
  .filter-btn{
    padding:9px 16px; border-radius:999px; font-size:13.5px; font-weight:600;
    border:1.5px solid var(--line-strong); background:transparent; color:var(--ink-soft); transition:all .18s ease;
  }
  .filter-btn.active{ background:var(--accent-strong); border-color:var(--accent-strong); color:#fff; }

  .portfolio-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:18px; }
  @media (max-width:980px){ .portfolio-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (max-width:560px){ .portfolio-grid{ grid-template-columns:1fr; } }
  .p-card{
    position:relative; border-radius:var(--radius-m); overflow:hidden; border:1px solid var(--line);
    background:var(--surface); transition:transform .35s cubic-bezier(.16,1,.3,1), box-shadow .35s ease;
    transform-style:preserve-3d; perspective:800px;
  }
  .p-card:hover{ box-shadow:var(--shadow-premium); }
  .p-thumb{
    aspect-ratio:1/1; position:relative; display:flex; align-items:center; justify-content:center;
    background:radial-gradient(120% 100% at 50% 20%, var(--ph-bg2,#fff) 0%, var(--ph-bg,var(--surface-alt)) 70%);
  }
  .p-thumb svg{ width:78%; height:78%; }
  .p-body{ padding:14px 16px; }
  .p-cat{ font-family:var(--font-mono); font-size:10.5px; text-transform:uppercase; letter-spacing:.06em; color:var(--accent-strong); }
  .p-title{ font-size:14.5px; font-weight:600; margin:5px 0 3px; }
  .p-meta{ font-size:12.5px; color:var(--ink-faint); }

  /* ---------- calculator ---------- */
  .calc-panel{
    display:grid; grid-template-columns:1.15fr .85fr; gap:0; background:var(--surface); border:1px solid var(--line);
    border-radius:var(--radius-l); overflow:hidden; box-shadow:var(--shadow-card);
  }
  @media (max-width:900px){ .calc-panel{ grid-template-columns:1fr; } }
  .calc-form{ padding:44px; }
  .field-row{ display:grid; grid-template-columns:1fr 1fr; gap:18px; margin-bottom:18px; }
  @media (max-width:520px){ .field-row{ grid-template-columns:1fr; } }
  label.f-label{ display:block; font-size:12.5px; font-weight:600; color:var(--ink-soft); margin-bottom:7px; }
  .f-control{ width:100%; padding:12px 14px; border-radius:10px; border:1.5px solid var(--line-strong); background:var(--bg); font-size:14.5px; color:var(--ink); }
  select.f-control{ appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2357595f' stroke-width='1.6' fill='none'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center; padding-right:34px; }
  .range-row{ margin-bottom:22px; }
  .range-row output{ font-family:var(--font-mono); font-weight:700; color:var(--accent-strong); }
  input[type="range"]{ width:100%; accent-color:var(--accent-strong); margin-top:10px; }
  .drop-zone{ border:1.5px dashed var(--line-strong); border-radius:12px; padding:22px; display:flex; align-items:center; gap:14px; margin-bottom:22px; font-size:13.5px; color:var(--ink-soft); }

  .calc-result{ position:relative; background:var(--grad-dark); color:#fff; padding:44px 38px; display:flex; flex-direction:column; justify-content:center; overflow:hidden; }
  .calc-result::after{ content:""; position:absolute; width:260px; height:260px; border-radius:50%; background:radial-gradient(circle,rgba(255,90,31,.35),transparent 70%); top:-80px; right:-80px; filter:blur(10px); }
  .calc-result > *{ position:relative; z-index:1; }
  .calc-result .eyebrow{ color:#ffb38c; }
  .calc-result .eyebrow::before{ background:var(--accent); }
  .price-out{ font-family:var(--font-mono); font-weight:700; font-size:44px; margin:16px 0 6px; letter-spacing:-0.01em; }
  .price-out span{ font-size:18px; color:#a9abb2; font-weight:500; }
  .calc-result p{ font-size:13.5px; color:#c7c8cd; margin:0 0 24px; }
  .calc-result .btn-primary{ width:100%; }
  .calc-note{ font-size:12px; color:#8b8d94; margin-top:14px; }

  /* ---------- advantages ---------- */
  .adv-grid{ display:grid; grid-template-columns:repeat(5,1fr); gap:1px; background:var(--line); border-radius:var(--radius-m); overflow:hidden; border:1px solid var(--line); }
  @media (max-width:980px){ .adv-grid{ grid-template-columns:repeat(2,1fr); } }
  @media (max-width:560px){ .adv-grid{ grid-template-columns:1fr; } }
  .adv-card{ background:var(--surface); padding:26px 20px; }
  .adv-num{ font-family:var(--font-mono); font-size:12px; color:var(--accent-strong); font-weight:700; margin-bottom:14px; }
  .adv-card h3{ font-size:14.5px; margin-bottom:6px; }
  .adv-card p{ font-size:13px; color:var(--ink-soft); margin:0; }

  /* ---------- testimonials ---------- */
  .testi-grid{ display:grid; grid-template-columns:repeat(3,1fr); gap:22px; }
  @media (max-width:900px){ .testi-grid{ grid-template-columns:1fr; } }
  .testi-card{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-m); padding:28px; border-top:3px solid transparent; border-image:var(--grad-accent) 1; }
  .stars{ color:var(--accent); font-size:14px; letter-spacing:2px; margin-bottom:14px; }
  .testi-card p{ font-size:14.5px; color:var(--ink); margin:0 0 20px; line-height:1.55; }
  .testi-who{ display:flex; align-items:center; gap:12px; }
  .testi-avatar{ width:38px; height:38px; border-radius:50%; background:var(--grad-accent); color:#fff; display:flex; align-items:center; justify-content:center; font-weight:700; font-size:14px; font-family:var(--font-display); }
  .testi-name{ font-size:13.5px; font-weight:600; }
  .testi-meta{ font-size:12px; color:var(--ink-faint); }

  /* ---------- FAQ ---------- */
  .faq-list{ border-top:1px solid var(--line); }
  .faq-item{ border-bottom:1px solid var(--line); }
  .faq-q{ width:100%; text-align:left; background:none; border:none; padding:22px 4px; display:flex; justify-content:space-between; align-items:center; gap:20px; font-size:16px; font-weight:600; color:var(--ink); }
  .faq-q .plus{ flex:none; width:22px; height:22px; position:relative; }
  .faq-q .plus::before,.faq-q .plus::after{ content:""; position:absolute; background:var(--ink); top:50%; left:50%; transform:translate(-50%,-50%); }
  .faq-q .plus::before{ width:14px; height:2px; }
  .faq-q .plus::after{ width:2px; height:14px; transition:transform .25s ease; }
  .faq-item.open .plus::after{ transform:translate(-50%,-50%) rotate(90deg) scale(0); }
  .faq-a{ max-height:0; overflow:hidden; transition:max-height .35s cubic-bezier(.16,1,.3,1); }
  .faq-item.open .faq-a{ max-height:260px; }
  .faq-a p{ padding:0 4px 22px; font-size:14.5px; color:var(--ink-soft); max-width:70ch; }

  /* ---------- contact ---------- */
  .contact-grid{ display:grid; grid-template-columns:1fr 1fr; gap:40px; }
  @media (max-width:900px){ .contact-grid{ grid-template-columns:1fr; } }
  .contact-form{ background:var(--surface); border:1px solid var(--line); border-radius:var(--radius-l); padding:36px; }
  .contact-form .field-row{ grid-template-columns:1fr; }
  .contact-info-card{ border-radius:var(--radius-l); overflow:hidden; border:1px solid var(--line); background:var(--surface); }
  .delivery-block{
    padding:30px 30px 6px; background:var(--grad-dark); color:#fff; position:relative; overflow:hidden;
  }
  .delivery-block::after{ content:""; position:absolute; width:200px; height:200px; border-radius:50%; background:radial-gradient(circle,rgba(255,90,31,.4),transparent 70%); top:-60px; right:-60px; }
  .delivery-block > *{ position:relative; z-index:1; }
  .delivery-block h4{ font-size:15px; margin:10px 0 6px; }
  .delivery-block p{ font-size:13px; color:#c7c8cd; margin:0; line-height:1.6; }
  .info-body{ padding:26px 30px; display:flex; flex-direction:column; gap:18px; }
  .info-row{ display:flex; gap:14px; align-items:flex-start; }
  .info-row .ic{ width:34px; height:34px; border-radius:9px; background:var(--accent-soft); display:flex; align-items:center; justify-content:center; flex:none; }
  .info-row h4{ font-size:14px; margin:0 0 3px; }
  .info-row p{ font-size:13.5px; color:var(--ink-soft); margin:0; }
  .messenger-row{ display:flex; gap:10px; padding:0 30px 28px; }

  /* ---------- footer ---------- */
  footer{ background:var(--ink); color:#c9cad0; padding:64px 0 28px; }
  .footer-top{ display:grid; grid-template-columns:1.4fr 1fr 1fr 1fr; gap:40px; margin-bottom:48px; }
  @media (max-width:820px){ .footer-top{ grid-template-columns:1fr 1fr; } }
  @media (max-width:520px){ .footer-top{ grid-template-columns:1fr; } }
  .footer-brand .logo{ color:#fff; }
  .footer-brand p{ font-size:13.5px; color:#9496a0; max-width:34ch; margin:14px 0 20px; }
  .foot-h{ font-family:var(--font-mono); font-size:11.5px; text-transform:uppercase; letter-spacing:.08em; color:#8a8c92; margin-bottom:16px; }
  .foot-links li{ margin-bottom:11px; font-size:13.5px; }
  .foot-links a:hover{ color:#fff; }
  .foot-social{ display:flex; gap:10px; }
  .foot-social a{ width:36px; height:36px; border-radius:50%; border:1px solid #3a3c44; display:flex; align-items:center; justify-content:center; transition:border-color .15s ease, background .15s ease; }
  .foot-social a:hover{ border-color:var(--accent); background:rgba(255,90,31,.12); }
  .footer-bottom{ border-top:1px solid #2c2e35; padding-top:24px; display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap; font-size:12.5px; color:#8a8c92; }
  .dev-credit{ display:inline-flex !important; align-items:center; gap:8px; color:#8b8d95; opacity:.85; transition:opacity .15s ease; flex-wrap:nowrap; }
  .dev-credit:hover{ opacity:1; }
  .dev-credit span{ font-size:11px; white-space:nowrap; }
  .dev-credit svg{ height:15px !important; width:128px !important; flex:none !important; display:block !important; }
  .footer-seo{ font-size:12px; color:#8a8c92; line-height:1.6; max-width:900px; margin-bottom:26px; }

  .float-cta{ position:fixed; right:24px; bottom:24px; z-index:200; display:flex; flex-direction:column; gap:12px; align-items:flex-end; }
  .float-btn{
    width:54px; height:54px; border-radius:50%; background:var(--ink); color:#fff;
    display:flex; align-items:center; justify-content:center; box-shadow:0 14px 26px -10px rgba(0,0,0,.4);
    transition:transform .18s ease; overflow:hidden;
  }
  .float-btn:hover{ transform:translateY(-3px) scale(1.04); }
  .float-btn svg{ width:100%; height:100%; }
  .float-btn.tg{ background:transparent; box-shadow:0 14px 26px -10px rgba(41,166,244,.55); }
  .float-btn.calc{ background:var(--ink); }
  .float-btn.calc svg{ width:42%; height:42%; }
  .float-cta a:last-child svg{ width:20px !important; height:20px !important; }

  ::selection{ background:var(--accent-soft); color:var(--accent-strong); }

  /* ---------- marquee (hardened) ---------- */
  .marquee-track{
    display:flex; flex-wrap:nowrap; width:max-content;
    animation:marquee 26s linear infinite; will-change:transform;
  }
  .marquee-track span{ flex:none; white-space:nowrap; }

  /* ---------- functional file input ---------- */
  .file-field{ display:block; cursor:pointer; }
  .file-field input[type="file"]{
    position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden;
    clip:rect(0,0,0,0); white-space:nowrap; border:0;
  }
  .file-field .drop-zone{ transition:border-color .15s ease, background .15s ease; }
  .file-field .drop-zone.is-dragover{ border-color:var(--accent-strong); background:var(--accent-soft); border-style:solid; }
  .file-field:hover .drop-zone, .file-field:focus-within .drop-zone{ border-color:var(--accent-strong); background:var(--accent-soft); }
  .file-field .drop-name{ font-weight:600; color:var(--accent-strong); }

  /* ---------- modal ---------- */
  .modal-overlay{
    position:fixed; inset:0; z-index:500; background:rgba(23,24,28,.55); backdrop-filter:blur(3px);
    display:flex; align-items:center; justify-content:center; padding:20px;
    opacity:0; pointer-events:none; transition:opacity .22s ease;
  }
  .modal-overlay.open{ opacity:1; pointer-events:auto; }
  .modal-card{
    position:relative; width:100%; max-width:480px; max-height:94vh; overflow-y:auto;
    background:var(--surface); border-radius:var(--radius-l); padding:30px;
    box-shadow:0 40px 80px -20px rgba(0,0,0,.45);
    transform:translateY(16px) scale(.98); transition:transform .25s cubic-bezier(.16,1,.3,1);
  }
  .modal-card .field-row{ grid-template-columns:1fr; margin-bottom:14px; }
  .modal-card .drop-zone{ padding:16px; margin-bottom:16px; }
  .modal-overlay.open .modal-card{ transform:translateY(0) scale(1); }
  .modal-close{
    position:absolute; top:16px; right:16px; width:32px; height:32px; border-radius:50%;
    background:var(--surface-alt); border:none; display:flex; align-items:center; justify-content:center;
    color:var(--ink-soft); font-size:18px; line-height:1;
  }
  .modal-close:hover{ background:var(--line); color:var(--ink); }
  .modal-card h3{ font-size:22px; margin:0 0 6px; padding-right:30px; }
  .modal-card .modal-sub{ font-size:14px; color:var(--ink-soft); margin:0 0 16px; }
  .modal-result{ display:none; }
  .modal-result.show{ display:block; }
  .modal-result.show ~ form{ display:none; }
  @media (prefers-reduced-motion: reduce){ .modal-overlay, .modal-card{ transition:none; } }
  @media (max-width:480px){
    .modal-overlay{ padding:12px; }
    .modal-card{ padding:24px 20px; }
    .modal-card h3{ font-size:19px; }
  }