/* src/styles/artfusion.css */
  :root{
    --bg:#fafafa;
    --bg-2:#f4f4f5;
    --ink:#18181b;
    --ink-2:#3f3f46;
    --muted:#71717a;
    --line:#e4e4e7;
    --line-2:#d4d4d8;
    --accent:#5b2dcd;
    --accent-soft:#efeafc;
    --pop:#f2542d;
    --pop-soft:#fdeae3;
    --max:1200px;
    --pad:clamp(1.25rem,5vw,3rem);
    --sec:clamp(3.5rem,8vw,6.5rem);
  }
  
  *{box-sizing:border-box;margin:0;padding:0}
  html{-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
  body{
    font-family:-apple-system,"SF Pro Display",system-ui,"Segoe UI",Helvetica,Arial,sans-serif;
    background:var(--bg);color:var(--ink);line-height:1.5;font-size:16px;
  }
  a{color:inherit;text-decoration:none}
  .wrap{max-width:var(--max);margin:0 auto;padding-inline:var(--pad)}
  .eyebrow{font-size:.74rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
  header{position:sticky;top:0;z-index:20;background:color-mix(in srgb,var(--bg) 82%,transparent);backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
  .nav{display:flex;align-items:center;justify-content:space-between;height:68px}
  .brand{display:flex;align-items:center;gap:.55rem;font-weight:600;letter-spacing:-.01em;font-size:1.05rem}
  .brand .mark{width:16px;height:16px;border-radius:50%;background:var(--ink);position:relative}
  .brand .mark::after{content:"";position:absolute;inset:4px 4px auto auto;width:6px;height:6px;border-radius:50%;background:var(--accent)}
  .navlinks{display:flex;gap:2rem;font-size:.9rem;color:var(--ink-2)}
  .navlinks a{transition:color .2s}
  .navlinks a:hover{color:var(--ink)}
  .btn{display:inline-flex;align-items:center;gap:.5rem;font-size:.9rem;font-weight:500;padding:.6rem 1.1rem;border-radius:8px;background:var(--ink);color:var(--bg);border:1px solid var(--ink);transition:transform .15s ease,opacity .2s}
  .btn:hover{opacity:.88}
  .btn:active{transform:translateY(1px)}
  .btn.ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
  .btn.ghost:hover{border-color:var(--ink);opacity:1}
  @media(max-width:820px){.navlinks{display:none}}
  .hero{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:center;padding-block:clamp(3.5rem,9vw,7rem)}
  .hero h1{font-size:clamp(2.6rem,6.2vw,4.6rem);line-height:1.02;letter-spacing:-.035em;font-weight:600;max-width:14ch}
  .hero h1 em{font-style:italic;font-weight:500;color:var(--accent);background:linear-gradient(90deg,var(--accent),var(--pop)) bottom left/100% 3px no-repeat;padding-bottom:.08em}
  .hero p.sub{margin-top:1.6rem;font-size:clamp(1.02rem,1.6vw,1.2rem);color:var(--ink-2);max-width:46ch;line-height:1.55}
  .hero .cta{margin-top:2.2rem;display:flex;gap:.75rem;flex-wrap:wrap}
  .orbit{position:relative;aspect-ratio:1;width:100%;max-width:420px;margin-inline:auto}
  .orbit svg{width:100%;height:100%;display:block}
  .ring{fill:none;stroke:var(--line-2);stroke-width:1}
  .node.a{fill:var(--accent)}.node.o{fill:var(--pop)}.node.k{fill:var(--ink)}
  .orb{position:absolute;top:50%;left:50%;width:24%;aspect-ratio:1;transform:translate(-50%,-50%);border-radius:50%;background:radial-gradient(circle at 32% 28%,#a98cff,#3b1d8f 46%,#23104f);box-shadow:0 0 0 10px rgba(59,29,143,.10),0 0 60px 4px rgba(95,45,205,.5),0 0 120px 8px rgba(242,84,45,.28)}
  .orbit .lbl{position:absolute;font-size:.66rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);background:var(--bg);padding:.15rem .4rem;border:1px solid var(--line);border-radius:999px}
  .orbit .lbl.m{top:8%;left:52%}.orbit .lbl.d{bottom:16%;right:2%}.orbit .lbl.t{bottom:2%;left:14%}
  @media(max-width:820px){.hero{grid-template-columns:1fr}.orbit{order:-1;max-width:280px}}
  .strip{border-block:1px solid var(--line);background:var(--bg-2);overflow:hidden;padding-block:1rem}
  .marquee{display:flex;gap:3rem;white-space:nowrap;width:max-content;animation:slide 28s linear infinite;font-size:.82rem;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
  .marquee span{display:inline-flex;align-items:center;gap:3rem}
  .marquee span::after{content:"";width:5px;height:5px;border-radius:50%;background:color-mix(in srgb,var(--accent) 45%,var(--line-2))}
  .marquee span:nth-child(2n)::after{background:color-mix(in srgb,var(--pop) 50%,var(--line-2))}
  @keyframes slide{to{transform:translateX(-50%)}}
  @media(prefers-reduced-motion:reduce){.marquee{animation:none}}
  .practices{padding-block:var(--sec)}
  .sec-head{max-width:22ch;font-size:clamp(1.8rem,4vw,2.9rem);line-height:1.08;letter-spacing:-.03em;font-weight:600}
  .plist{margin-top:clamp(2rem,5vw,3.5rem);border-top:1px solid var(--line)}
  .prow{display:grid;grid-template-columns:auto 1fr;gap:clamp(1rem,4vw,3rem);padding-block:clamp(1.8rem,4vw,2.6rem);border-bottom:1px solid var(--line);transition:padding-left .25s ease}
  .prow:hover{padding-left:.75rem}
  .prow .num{font-size:.9rem;font-weight:600;font-variant-numeric:tabular-nums;padding-top:.3rem}
  .prow:nth-child(1) .num{color:var(--accent)}.prow:nth-child(2) .num{color:var(--pop)}.prow:nth-child(3) .num{color:var(--ink)}
  .prow h3{font-size:clamp(1.25rem,2.4vw,1.7rem);letter-spacing:-.02em;font-weight:600}
  .prow p{margin-top:.7rem;color:var(--ink-2);max-width:60ch;line-height:1.55}
  .tags{margin-top:1.1rem;display:flex;gap:.5rem;flex-wrap:wrap}
  .tag{font-size:.78rem;color:var(--ink-2);border:1px solid var(--line-2);border-radius:999px;padding:.28rem .7rem}
  .prow .go{margin-top:1.1rem;display:inline-flex;align-items:center;gap:.4rem;font-size:.88rem;font-weight:500;color:var(--accent)}
  .prow .go .arr{transition:transform .2s}
  .prow:hover .go .arr{transform:translateX(3px)}
  .hard{padding-block:var(--sec);background:var(--bg-2);border-block:1px solid var(--line)}
  .hard .lead{margin-top:1rem;color:var(--ink-2);max-width:56ch;font-size:1.05rem;line-height:1.6}
  .pipe{margin-top:clamp(2.2rem,5vw,3.5rem);display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);border-radius:14px;overflow:hidden}
  .step{background:var(--bg);padding:1.5rem 1.35rem;position:relative}
  .step .k{font-size:.72rem;letter-spacing:.14em;text-transform:uppercase;color:var(--muted);font-variant-numeric:tabular-nums}
  .step h4{margin-top:.5rem;font-size:1.15rem;font-weight:600;letter-spacing:-.01em;display:flex;align-items:center;gap:.5rem}
  .step h4::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--dot,var(--accent))}
  .step:nth-child(1){--dot:var(--accent)}.step:nth-child(2){--dot:var(--pop)}.step:nth-child(3){--dot:var(--accent)}.step:nth-child(4){--dot:var(--pop)}
  .step p{margin-top:.55rem;font-size:.92rem;color:var(--ink-2);line-height:1.5}
  .stats{margin-top:clamp(1.6rem,4vw,2.4rem);display:grid;grid-template-columns:repeat(3,1fr);gap:clamp(1rem,3vw,2rem)}
  .stat .big{font-size:clamp(1.4rem,2.6vw,1.9rem);font-weight:600;letter-spacing:-.02em}
  .stat:nth-child(1) .big{color:var(--accent)}.stat:nth-child(3) .big{color:var(--pop)}
  .stat p{margin-top:.35rem;color:var(--ink-2);font-size:.95rem;line-height:1.5}
  @media(max-width:820px){.pipe{grid-template-columns:1fr}.stats{grid-template-columns:1fr}}
  .method{padding-block:var(--sec)}
  .mrow{display:grid;grid-template-columns:.8fr 1.2fr;gap:clamp(1rem,4vw,3rem);align-items:baseline;padding-block:clamp(1.6rem,4vw,2.4rem)}
  .mrow+.mrow{border-top:1px solid var(--line)}
  .mrow .word{font-size:clamp(2rem,5vw,3.4rem);font-weight:600;letter-spacing:-.03em;line-height:1}
  .mrow:nth-child(2) .word{color:var(--accent)}
  .mrow:nth-child(3) .word{color:var(--ink)}
  .mrow:nth-child(4) .word{color:var(--pop)}
  .mrow p{color:var(--ink-2);font-size:1.05rem;line-height:1.6;max-width:52ch}
  @media(max-width:820px){.mrow{grid-template-columns:1fr;gap:.5rem}}
  .timeline{padding-block:var(--sec);background:var(--bg-2);border-block:1px solid var(--line)}
  .thead{max-width:24ch;font-size:clamp(1.6rem,3.4vw,2.4rem);line-height:1.12;letter-spacing:-.02em;font-weight:600;margin-top:.9rem}
  .track{margin-top:clamp(2.4rem,5vw,3.5rem);display:grid;grid-template-columns:repeat(4,1fr);gap:clamp(1rem,3vw,2rem);position:relative}
  .track::before{content:"";position:absolute;top:6px;left:0;right:0;height:1px;background:var(--line-2)}
  .tnode{position:relative;padding-top:1.7rem}
  .tnode::before{content:"";position:absolute;top:2px;left:0;width:9px;height:9px;border-radius:50%;background:var(--ink);border:2px solid var(--bg)}
  .tnode:nth-child(1)::before{background:var(--muted)}
  .tnode:nth-child(2)::before{background:var(--accent)}
  .tnode:nth-child(3)::before{background:var(--pop)}
  .tnode:nth-child(4)::before{background:var(--ink)}
  .tnode .yr{font-size:1.1rem;font-weight:600;letter-spacing:-.01em}
  .tnode .ttl{margin-top:.3rem;font-weight:500}
  .tnode p{margin-top:.25rem;color:var(--muted);font-size:.9rem;line-height:1.45}
  @media(max-width:820px){.track{grid-template-columns:1fr;gap:0}.track::before{left:4px;right:auto;top:0;bottom:0;width:1px;height:auto}.tnode{padding-top:0;padding-left:1.7rem;padding-block:1rem}.tnode::before{top:1.3rem;left:0}}
  .cta-band{padding-block:clamp(4rem,10vw,7rem);text-align:center;background:radial-gradient(120% 140% at 50% 0%,var(--accent-soft),var(--bg) 60%)}
  .cta-band h2{font-size:clamp(2.4rem,6vw,4rem);font-weight:600;letter-spacing:-.03em;line-height:1}
  .cta-band h2 em{font-style:italic;color:var(--accent)}
  .cta-band p{margin:1.2rem auto 0;max-width:44ch;color:var(--ink-2);font-size:1.08rem;line-height:1.6}
  .cta-band .btn{margin-top:2rem}
  @media(prefers-reduced-motion:no-preference){
    .fade{opacity:0;transform:translateY(14px);animation:up .7s cubic-bezier(.16,1,.3,1) forwards}
    .fade.d1{animation-delay:.06s}.fade.d2{animation-delay:.12s}
    @keyframes up{to{opacity:1;transform:none}}
  }
  footer{border-top:1px solid var(--line);padding-block:2.5rem;color:var(--muted);font-size:.85rem}
  .foot{display:flex;justify-content:space-between;gap:1rem;flex-wrap:wrap;align-items:center}
  /* ── interior pages ─────────────────────────────────────────────── */
  .phero{padding-block:clamp(3rem,7vw,5.5rem) clamp(2.5rem,6vw,4.5rem)}
  .phero h1{font-size:clamp(2.4rem,5.4vw,4rem);line-height:1.04;letter-spacing:-.035em;font-weight:600;max-width:16ch;margin-top:1rem}
  .phero h1 em{font-style:italic;font-weight:500;color:var(--accent);background:linear-gradient(90deg,var(--accent),var(--pop)) bottom left/100% 3px no-repeat;padding-bottom:.08em}
  .phero .sub{margin-top:1.4rem;font-size:clamp(1rem,1.5vw,1.15rem);color:var(--ink-2);max-width:52ch;line-height:1.6}
  .phero .cta{margin-top:2rem;display:flex;gap:.75rem;flex-wrap:wrap}
  /* ── contact ────────────────────────────────────────────────────── */
  .contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(2rem,5vw,4rem);align-items:start;padding-block:0 var(--sec)}
  @media(max-width:820px){.contact-grid{grid-template-columns:1fr}}
  .form{display:flex;flex-direction:column;gap:1.1rem;padding:clamp(1.4rem,3vw,2rem);border:1px solid var(--line);border-radius:14px;background:var(--bg-2)}
  .frow{display:grid;grid-template-columns:1fr 1fr;gap:1.1rem}
  @media(max-width:600px){.frow{grid-template-columns:1fr}}
  .field{display:flex;flex-direction:column;gap:.4rem}
  .field label{font-size:.82rem;font-weight:500;color:var(--ink-2)}
  .form input,.form textarea{font:inherit;color:var(--ink);background:var(--bg);border:1px solid var(--line-2);border-radius:8px;padding:.65rem .8rem;width:100%}
  .form textarea{resize:vertical;min-height:9rem}
  .form input:focus-visible,.form textarea:focus-visible{outline:2px solid var(--accent);outline-offset:1px;border-color:var(--accent)}
  .form .btn{align-self:flex-start;cursor:pointer}
  .note{font-size:.9rem;color:var(--ink-2);min-height:1.2em}
  .note[data-instatic-form-state="error"]{color:var(--pop)}
  .aside-card .prow{grid-template-columns:auto 1fr}
  .aside-card .prow:hover{padding-left:0}

  /* kinetic-orbit: orbiting nodes + pulsing core, ported from the old theme's
     fusion-orb (spin 26s / 18s reverse / 12s, pulse 4s). */
  @media(prefers-reduced-motion:no-preference){
    .orbit .node{transform-box:view-box;transform-origin:50% 50%;animation:orbitspin 26s linear infinite}
    .orbit .node.a{animation-duration:18s;animation-direction:reverse}
    .orbit .node.k{animation-duration:12s}
    .orb{animation:orbpulse 4s ease-in-out infinite}
  }
  @keyframes orbitspin{to{transform:rotate(360deg)}}
  @keyframes orbpulse{50%{transform:translate(-50%,-50%) scale(1.08)}}