:root{
    --ink:#0a1220;
    --panel:#101c30;
    --panel2:#16233a;
    --copper:#c97a3d;
    --copper-dim:#8a5228;
    --amber:#f2a93b;
    --paper:#edf2f8;
    --slate:#8493ac;
    --line:rgba(237,242,248,0.09);
    --line-strong:rgba(237,242,248,0.16);
    --radius:2px;
  }
  *{margin:0;padding:0;box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--ink);
    color:var(--paper);
    font-family:'Inter',sans-serif;
    line-height:1.6;
    overflow-x:hidden;
    transition:background .35s ease, color .35s ease;
  }
  h1,h2,h3,h4{
    font-family:'Oswald',sans-serif;
    font-weight:600;
    text-transform:uppercase;
    letter-spacing:0.01em;
    line-height:1.1;
  }
  .eyebrow{
    font-family:'JetBrains Mono',monospace;
    font-size:0.72rem;
    letter-spacing:0.22em;
    text-transform:uppercase;
    color:var(--amber);
    display:flex;
    align-items:center;
    gap:10px;
    margin-bottom:14px;
  }
  .eyebrow::before{
    content:"";
    width:22px;height:1px;
    background:var(--amber);
    display:inline-block;
  }
  a{color:inherit;text-decoration:none;}
  img{display:block;max-width:100%;}
  .container{
    width:100%;
    max-width:1240px;
    margin:0 auto;
    padding:0 32px;
  }
  section{position:relative;}
  ::selection{background:var(--amber);color:var(--ink);}

  /* ---------- background schematic grid ---------- */
  .grid-bg{
    position:fixed;inset:0;
    background-image:
      linear-gradient(var(--line) 1px, transparent 1px),
      linear-gradient(90deg, var(--line) 1px, transparent 1px);
    background-size:64px 64px;
    opacity:0.35;
    pointer-events:none;
    z-index:0;
    mask-image:radial-gradient(ellipse 90% 70% at 50% 0%, black 40%, transparent 90%);
  }

  /* ---------- top bar ---------- */
  .topbar{
    background:#060b16;
    border-bottom:1px solid var(--line);
    font-family:'JetBrains Mono',monospace;
    font-size:0.72rem;
    color:var(--slate);
    position:relative;
    z-index:50;
    transition:background .35s ease;
  }
  .topbar .container{
    display:flex;justify-content:space-between;align-items:center;
    padding:8px 32px;
    flex-wrap:wrap;
    gap:6px;
  }
  .topbar span{color:var(--amber);}

  /* ---------- nav ---------- */
  header.nav{
    position:sticky;top:0;z-index:100;
    border-bottom:1px solid var(--line);
    transition:border-color .3s;
  }
  /* backdrop-filter lives on a pseudo-element, not the header itself —
     filter/backdrop-filter on the header would create a new CSS containing
     block, trapping the fixed-position mobile nav panel inside the
     header's own box instead of letting it cover the full screen. */
  header.nav::before{
    content:"";
    position:absolute;inset:0;
    z-index:-1;
    background:rgba(10,18,32,0.85);
    backdrop-filter:blur(10px);
    -webkit-backdrop-filter:blur(10px);
    transition:background .35s ease;
  }
  .nav .container{
    display:flex;align-items:center;justify-content:space-between;
    height:76px;
  }
  .logo{
    position:relative;z-index:2;
    font-family:'Oswald',sans-serif;
    font-size:1.35rem;
    font-weight:700;
    letter-spacing:0.03em;
    display:flex;align-items:center;gap:10px;
  }
  .logo .bolt{
    color:var(--amber);
    font-size:1.5rem;
  }
  .logo small{
    display:block;
    font-family:'JetBrains Mono',monospace;
    font-size:0.6rem;
    letter-spacing:0.2em;
    color:var(--slate);
    font-weight:400;
    text-transform:uppercase;
  }
  nav.links{display:flex;gap:36px;font-size:0.9rem;font-weight:500;letter-spacing:0.02em;}
  nav.links a{
    position:relative;
    padding:6px 0;
    color:var(--paper);
    opacity:0.85;
    transition:opacity .2s;
  }
  nav.links a:hover{opacity:1;color:var(--amber);}
  nav.links a::after{
    content:"";
    position:absolute;left:0;bottom:0;
    width:0;height:2px;background:var(--amber);
    transition:width .25s ease;
  }
  nav.links a:hover::after{width:100%;}
  .nav-cta{
    position:relative;z-index:2;
    display:flex;align-items:center;gap:18px;
  }
  button{touch-action:manipulation;-webkit-tap-highlight-color:transparent;}
  .btn{
    font-family:'JetBrains Mono',monospace;
    font-size:0.75rem;
    letter-spacing:0.1em;
    text-transform:uppercase;
    padding:13px 26px;
    border:1px solid var(--amber);
    color:var(--amber);
    background:transparent;
    cursor:pointer;
    transition:all .25s ease;
    display:inline-flex;align-items:center;gap:8px;
    white-space:nowrap;
  }
  .btn:hover{background:var(--amber);color:var(--ink);}
  .btn.solid{background:var(--amber);color:var(--ink);}
  .btn.solid:hover{background:var(--paper);border-color:var(--paper);}
  .menu-toggle{display:none;background:none;border:none;color:var(--paper);font-size:1.6rem;cursor:pointer;}

  /* ---------- theme toggle ---------- */
  .theme-toggle{
    width:40px;height:40px;
    border-radius:50%;
    border:1px solid var(--line-strong);
    background:transparent;
    color:var(--amber);
    display:flex;align-items:center;justify-content:center;
    cursor:pointer;
    flex-shrink:0;
    transition:border-color .25s ease, background .25s ease, color .25s ease, transform .2s ease;
  }
  .theme-toggle:hover{border-color:var(--amber);transform:translateY(-1px);}
  .theme-toggle svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
  .theme-toggle .icon-moon{display:none;}
  body.light .theme-toggle .icon-sun{display:none;}
  body.light .theme-toggle .icon-moon{display:block;}

  /* ---------- circuit scroll spine ---------- */
  .spine-wrap{
    position:fixed;
    left:28px;top:0;bottom:0;
    width:2px;
    z-index:60;
    display:flex;align-items:center;
  }
  .spine-track{
    position:relative;
    height:70vh;
    width:2px;
    background:var(--line-strong);
  }
  .spine-fill{
    position:absolute;top:0;left:0;width:100%;height:0%;
    background:linear-gradient(var(--amber), var(--copper));
    box-shadow:0 0 12px var(--amber);
    transition:height .08s linear;
  }
  .spine-node{
    position:absolute;left:50%;
    width:9px;height:9px;
    background:var(--ink);
    border:2px solid var(--slate);
    border-radius:50%;
    transform:translate(-50%,-50%);
    transition:all .35s ease;
  }
  .spine-node.active{
    border-color:var(--amber);
    background:var(--amber);
    box-shadow:0 0 10px var(--amber);
  }
  .spine-node .label{
    position:absolute;left:16px;top:50%;transform:translateY(-50%);
    font-family:'JetBrains Mono',monospace;
    font-size:0.65rem;letter-spacing:0.12em;
    text-transform:uppercase;
    color:var(--slate);
    white-space:nowrap;
    opacity:0;
    transition:opacity .3s;
  }
  .spine-node.active .label{opacity:1;color:var(--amber);}
  @media (max-width:1100px){.spine-wrap{display:none;}}

  /* ---------- hero ---------- */
  .hero{
    min-height:92vh;
    display:flex;align-items:center;
    padding:120px 0 80px;
    position:relative;
    overflow:hidden;
  }
  .hero::before{
    content:"";
    position:absolute;right:-8%;top:50%;
    width:640px;height:640px;
    transform:translateY(-50%);
    background:radial-gradient(circle, rgba(201,122,61,0.16), transparent 70%);
    pointer-events:none;
  }
  .hero .container{
    display:grid;
    grid-template-columns:1.1fr 0.9fr;
    gap:60px;
    align-items:center;
    position:relative;z-index:2;
  }
  .hero h1{
    font-size:clamp(2.6rem,4.6vw,4.2rem);
    color:var(--paper);
    margin-bottom:22px;
  }
  .hero h1 em{
    font-style:normal;color:var(--amber);
    position:relative;
  }
  .hero p.lead{
    font-size:1.08rem;
    color:var(--slate);
    max-width:480px;
    margin-bottom:36px;
  }
  .hero-actions{display:flex;gap:18px;align-items:center;flex-wrap:wrap;}
  .hero-actions .phone{
    font-family:'JetBrains Mono',monospace;
    font-size:0.85rem;color:var(--slate);
    display:flex;flex-direction:column;gap:2px;
  }
  .hero-actions .phone b{color:var(--paper);font-size:1.05rem;}

  .hero-visual{
    position:relative;
    aspect-ratio:4/5;
    border:1px solid var(--line-strong);
    overflow:hidden;
    min-width:0;
  }
  .hero-visual img{
    width:100%;height:100%;object-fit:cover;
    filter:grayscale(35%) brightness(0.55) saturate(0.85) contrast(1.05);
    transition:filter 1.1s cubic-bezier(.2,.8,.2,1);
  }
  .hero-visual .lamp-glow{
    position:absolute;inset:0;
    background:radial-gradient(circle at 50% 38%, rgba(242,169,59,0.65), transparent 62%);
    opacity:0;
    mix-blend-mode:screen;
    pointer-events:none;
    transition:opacity 1.1s cubic-bezier(.2,.8,.2,1);
  }
  .hero-visual.lit .lamp-glow{
    opacity:1;
    animation:lamp-turn-on 3.5s cubic-bezier(.5,.10,.5,4) both;
  }
  .hero-visual:not(.lit) .lamp-glow{
    animation:lamp-turn-off .12s ease;
  }
  @keyframes lamp-turn-on{
    0%{opacity:0;}
    18%{opacity:.12;}
    32%{opacity:.02;}
    50%{opacity:.9;}
    70%{opacity:.35;}
    100%{opacity:1;}
  }
  @keyframes lamp-turn-off{
    0%{opacity:1;}
    40%{opacity:.5;}
    100%{opacity:0;}
  }
  .hero-visual .frame-tag{
    position:absolute;bottom:0;left:0;right:0;
    background:rgba(6,11,22,0.88);
    border-top:1px solid var(--line-strong);
    padding:16px 20px;
    font-family:'JetBrains Mono',monospace;
    font-size:0.7rem;
    letter-spacing:0.12em;
    color:var(--amber);
    text-transform:uppercase;
    display:flex;justify-content:space-between;
  }
  .hero-grid-switch{
    position:absolute;top:16px;right:16px;z-index:4;
    border:1px solid rgba(242,169,59,.65);
    background:rgba(6,11,22,.82);color:var(--amber);
    padding:9px 12px;font-family:'JetBrains Mono',monospace;
    font-size:.64rem;letter-spacing:.1em;text-transform:uppercase;
    cursor:pointer;transition:background .25s ease, color .25s ease;
  }
  .hero-grid-switch svg{width:18px;height:18px;display:block;fill:none;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
  .hero-grid-switch svg{transition:transform .3s ease, filter .3s ease;}
  .hero-grid-switch svg path:first-child{transition:fill .3s ease;}
  .hero-grid-switch[aria-pressed="true"] svg path:first-child{fill:currentColor;}
  .hero-grid-switch[aria-pressed="true"] svg{filter:drop-shadow(0 0 5px currentColor);}
  .hero-grid-switch.is-changing svg{animation:lamp-toggle .45s ease;}
  @keyframes lamp-toggle{50%{transform:scale(1.25) rotate(-8deg);}100%{transform:scale(1) rotate(0);}}
  .hero-grid-switch:hover,.hero-grid-switch[aria-pressed="true"]{background:var(--amber);color:var(--ink);}
  .hero-visual .corner{
    position:absolute;width:22px;height:22px;
    border:2px solid var(--amber);
  }
  .corner.tl{top:-1px;left:-1px;border-right:none;border-bottom:none;}
  .corner.br{bottom:-1px;right:-1px;border-left:none;border-top:none;}

  @media (max-width:900px){
    .hero .container{grid-template-columns:1fr;}
    .hero-visual{order:-1;aspect-ratio:16/10;}
  }

  /* ---------- reveal animation base ---------- */
  .reveal{
    opacity:0;
    transform:translateY(28px);
    transition:opacity .7s cubic-bezier(.2,.7,.2,1), transform .7s cubic-bezier(.2,.7,.2,1);
  }
  .reveal.in{opacity:1;transform:translateY(0);}
  .stagger .reveal:nth-child(1){transition-delay:.02s;}
  .stagger .reveal:nth-child(2){transition-delay:.08s;}
  .stagger .reveal:nth-child(3){transition-delay:.14s;}
  .stagger .reveal:nth-child(4){transition-delay:.2s;}
  .stagger .reveal:nth-child(5){transition-delay:.26s;}
  .stagger .reveal:nth-child(6){transition-delay:.32s;}
  .stagger .reveal:nth-child(7){transition-delay:.38s;}
  .stagger .reveal:nth-child(8){transition-delay:.44s;}
  .stagger .reveal:nth-child(9){transition-delay:.5s;}

  /* ---------- section heading ---------- */
  .head-row{
    display:flex;justify-content:space-between;align-items:flex-end;
    gap:40px;margin-bottom:56px;
    flex-wrap:wrap;
  }
  .head-row h2{font-size:clamp(1.9rem,3.2vw,2.7rem);max-width:640px;}
  .head-row p{color:var(--slate);max-width:340px;font-size:0.95rem;}

  /* ---------- stats ---------- */
  .stats{
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    background:var(--panel);
  }
  .stats .container{
    display:grid;grid-template-columns:repeat(3,1fr);
  }
  .stat{
    padding:56px 20px;
    text-align:center;
    border-left:1px solid var(--line);
  }
  .stat:first-child{border-left:none;}
  .stat .num{
    font-family:'Oswald',sans-serif;
    font-size:3.2rem;font-weight:600;
    color:var(--amber);
    display:flex;justify-content:center;align-items:baseline;gap:2px;
  }
  .stat .num small{font-size:1.4rem;}
  .stat .lbl{
    font-family:'JetBrains Mono',monospace;
    font-size:0.72rem;letter-spacing:0.14em;
    text-transform:uppercase;color:var(--slate);
    margin-top:8px;
  }
  @media (max-width:700px){.stats .container{grid-template-columns:1fr;}.stat{border-left:none;border-top:1px solid var(--line);}.stat:first-child{border-top:none;}}

  /* ---------- services ---------- */
  .services{padding:130px 0;}
  .svc-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
    background:var(--line);
    border:1px solid var(--line);
  }
  .svc-card{
    background:var(--ink);
    padding:40px 34px;
    position:relative;
    overflow:hidden;
    transition:background .3s;
  }
  .svc-card:hover{background:var(--panel);}
  .svc-card .idx{
    font-family:'JetBrains Mono',monospace;
    font-size:0.7rem;color:var(--copper);
    letter-spacing:0.1em;
  }
  .svc-card h3{
    font-size:1.15rem;margin:18px 0 12px;
    color:var(--paper);
  }
  .svc-card p{color:var(--slate);font-size:0.9rem;}
  .svc-card .arrow{
    position:absolute;top:36px;right:30px;
    color:var(--slate);
    font-size:1.2rem;
    transition:all .3s;
  }
  .svc-card:hover .arrow{color:var(--amber);transform:translate(4px,-4px);}
  @media (max-width:900px){.svc-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:600px){.svc-grid{grid-template-columns:1fr;}}

  /* ---------- about ---------- */
  .about{padding:0 0 130px;}
  .about .container{
    display:grid;grid-template-columns:0.9fr 1.1fr;gap:70px;align-items:center;
  }
  .about-visual{position:relative;}
  .about-visual img{width:100%;aspect-ratio:4/5;object-fit:cover;filter:grayscale(20%);}
  .about-visual .badge{
    position:absolute;bottom:-28px;left:-28px;
    background:var(--amber);color:var(--ink);
    padding:26px;width:150px;
    font-family:'Oswald',sans-serif;font-weight:700;
    font-size:1.8rem;line-height:1;
  }
  .about-visual .badge span{
    display:block;font-family:'JetBrains Mono',monospace;
    font-size:0.62rem;font-weight:400;letter-spacing:0.08em;
    text-transform:uppercase;margin-top:8px;
  }
  .about-body p{color:var(--slate);margin-bottom:28px;max-width:520px;}
  .feature-list{
    display:grid;grid-template-columns:1fr 1fr;gap:0;
    border-top:1px solid var(--line);
    margin-top:10px;
  }
  .feature-list .f{
    padding:20px 0 20px 26px;
    border-bottom:1px solid var(--line);
    position:relative;
    font-size:0.92rem;font-weight:500;
  }
  .feature-list .f:nth-child(odd){border-right:1px solid var(--line);}
  .feature-list .f::before{
    content:"";position:absolute;left:0;top:26px;
    width:14px;height:1px;background:var(--amber);
  }
  @media (max-width:900px){.about .container{grid-template-columns:1fr;}.about-visual{margin-bottom:60px;}.feature-list{grid-template-columns:1fr;}.feature-list .f:nth-child(odd){border-right:none;}}

  /* ---------- cta strip ---------- */
  .cta-strip{
    background:var(--panel);
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    padding:0;
  }
  .cta-strip .container{
    display:grid;grid-template-columns:1fr 1fr;
  }
  .cta-half{
    padding:64px 50px;
    position:relative;
  }
  .cta-half:first-child{border-right:1px solid var(--line);}
  .cta-half .eyebrow{margin-bottom:16px;}
  .cta-half h3{font-size:1.5rem;margin-bottom:12px;}
  .cta-half p{color:var(--slate);font-size:0.92rem;max-width:340px;}
  @media (max-width:800px){.cta-strip .container{grid-template-columns:1fr;}.cta-half:first-child{border-right:none;border-bottom:1px solid var(--line);}}

  /* ---------- featured strip ---------- */
  .featured{padding:130px 0;}
  .feat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
  .feat-card{
    border:1px solid var(--line);
    padding:32px 26px;
    transition:transform .3s, border-color .3s;
  }
  .feat-card:hover{transform:translateY(-6px);border-color:var(--copper);}
  .feat-card .num{
    font-family:'Oswald',sans-serif;font-size:2.2rem;font-weight:600;
    color:var(--copper-dim);margin-bottom:18px;
  }
  .feat-card h4{font-size:1.02rem;margin-bottom:10px;}
  .feat-card p{color:var(--slate);font-size:0.85rem;}
  @media (max-width:900px){.feat-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:560px){.feat-grid{grid-template-columns:1fr;}}

  /* ---------- work / projects ---------- */
  .work{padding:0 0 130px;}
  .work-grid{
    display:grid;grid-template-columns:repeat(3,1fr);gap:2px;
    background:var(--line);border:1px solid var(--line);
  }
  .proj{
    position:relative;
    aspect-ratio:4/5;
    overflow:hidden;
    background:var(--panel);
  }
  .proj img{
    width:100%;height:100%;object-fit:cover;
    filter:grayscale(45%) brightness(0.75);
    transition:transform .6s ease, filter .5s ease;
  }
  .proj:hover img{transform:scale(1.08);filter:grayscale(0%) brightness(0.55);}
  .proj-info{
    position:absolute;left:0;right:0;bottom:0;
    padding:26px;
    background:linear-gradient(to top, rgba(6,11,22,0.95), transparent);
  }
  .proj-info .tag{
    font-family:'JetBrains Mono',monospace;font-size:0.65rem;
    letter-spacing:0.12em;text-transform:uppercase;color:var(--amber);
    margin-bottom:6px;display:block;
  }
  .proj-info h4{font-size:1.1rem;color:var(--paper);}
  @media (max-width:900px){.work-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:560px){.work-grid{grid-template-columns:1fr;}}

  /* ---------- clients marquee ---------- */
  .clients{
    padding:80px 0;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    overflow:hidden;
  }
  .clients .head-row{margin-bottom:44px;}
  .marquee{
    display:flex;width:max-content;
    animation:scroll-left 28s linear infinite;
    gap:90px;align-items:center;
  }
  .marquee img{
    height:38px;width:auto;
    filter:grayscale(100%) brightness(1.6) contrast(0.8);
    opacity:0.55;
    transition:opacity .3s, filter .3s;
  }
  .marquee img:hover{opacity:1;filter:none;}
  @keyframes scroll-left{
    from{transform:translateX(0);}
    to{transform:translateX(-50%);}
  }

  /* ---------- testimonials ---------- */
  .testimonials{padding:130px 0;}
  .test-wrap{
    position:relative;
    max-width:780px;
    margin:0 auto;
    text-align:center;
  }
  .test-slide{
    display:none;
  }
  .test-slide.active{display:block;animation:fadeUp .6s ease;}
  @keyframes fadeUp{from{opacity:0;transform:translateY(14px);}to{opacity:1;transform:translateY(0);}}
  .test-slide p.quote{
    font-family:'Oswald',sans-serif;
    font-weight:400;
    text-transform:none;
    font-size:1.5rem;
    color:var(--paper);
    line-height:1.5;
    margin-bottom:30px;
  }
  .test-slide .who{
    font-family:'JetBrains Mono',monospace;
    font-size:0.75rem;letter-spacing:0.1em;text-transform:uppercase;
    color:var(--amber);
  }
  .test-slide .who span{color:var(--slate);}
  .test-nav{
    display:flex;justify-content:center;gap:10px;margin-top:44px;
  }
  .test-nav button{
    width:26px;height:2px;background:var(--line-strong);border:none;cursor:pointer;
    transition:background .3s;
  }
  .test-nav button.active{background:var(--amber);}

  /* ---------- newsletter ---------- */
  .newsletter{
    border-top:1px solid var(--line);
    padding:90px 0;
    background:var(--panel);
  }
  .newsletter .container{
    display:flex;justify-content:space-between;align-items:center;gap:40px;flex-wrap:wrap;
  }
  .newsletter h3{font-size:1.7rem;max-width:440px;}
  .news-form{display:flex;gap:0;border:1px solid var(--line-strong);min-width:340px;}
  .news-form input{
    flex:1;background:transparent;border:none;padding:16px 20px;
    color:var(--paper);font-family:'Inter',sans-serif;font-size:0.9rem;
    outline:none;
  }
  .news-form input::placeholder{color:var(--slate);}
  .news-form button{
    background:var(--amber);border:none;padding:0 26px;
    font-family:'JetBrains Mono',monospace;font-size:0.75rem;
    letter-spacing:0.1em;text-transform:uppercase;color:var(--ink);
    cursor:pointer;transition:background .2s;
  }
  .news-form button:hover{background:var(--paper);}

  /* ---------- footer ---------- */
  footer{padding:90px 0 40px;background:#060b16;transition:background .35s ease;}
  .foot-grid{
    display:grid;grid-template-columns:1.3fr 1fr 1fr 1.2fr;gap:50px;
    padding-bottom:60px;border-bottom:1px solid var(--line);
  }
  .foot-brand .logo{margin-bottom:18px;}
  .foot-brand p{color:var(--slate);font-size:0.9rem;max-width:280px;margin-bottom:22px;}
  .foot-social{display:flex;gap:14px;}
  .foot-social a{
    width:36px;height:36px;border:1px solid var(--line-strong);
    display:flex;align-items:center;justify-content:center;
    font-size:0.85rem;transition:all .2s;
  }
  .foot-social a:hover{border-color:var(--amber);color:var(--amber);}
  .foot-col h5{
    font-family:'JetBrains Mono',monospace;font-size:0.72rem;
    letter-spacing:0.14em;text-transform:uppercase;color:var(--amber);
    margin-bottom:20px;
  }
  .foot-col a, .foot-col p{
    display:block;color:var(--slate);font-size:0.88rem;margin-bottom:12px;
    transition:color .2s;
  }
  .foot-col a:hover{color:var(--paper);}
  .foot-bottom{
    display:flex;justify-content:space-between;align-items:center;
    padding-top:30px;font-size:0.78rem;color:var(--slate);
    font-family:'JetBrains Mono',monospace;flex-wrap:wrap;gap:10px;
  }
  @media (max-width:900px){.foot-grid{grid-template-columns:1fr 1fr;}}
  @media (max-width:560px){.foot-grid{grid-template-columns:1fr;}}

  /* ---------- preloader ---------- */
  .preloader{
    position:fixed;inset:0;z-index:9999;
    background:var(--ink);
    display:flex;align-items:center;justify-content:center;
    transition:opacity .6s ease, visibility .6s ease;
  }
  .preloader.done{opacity:0;visibility:hidden;pointer-events:none;}
  .preloader svg{width:120px;height:120px;overflow:visible;}
  .preloader path{
    fill:none;stroke:var(--amber);stroke-width:2;
    stroke-linecap:round;
    stroke-dasharray:340;
    stroke-dashoffset:340;
    animation:draw-circuit 1.4s cubic-bezier(.4,0,.2,1) forwards;
  }
  .preloader circle{
    fill:var(--amber);opacity:0;
    animation:node-pop .3s ease forwards;
    animation-delay:1.2s;
  }
  @keyframes draw-circuit{to{stroke-dashoffset:0;}}
  @keyframes node-pop{to{opacity:1;}}
  .preloader .pl-label{
    position:absolute;bottom:14%;
    font-family:'JetBrains Mono',monospace;
    font-size:0.7rem;letter-spacing:0.3em;
    color:var(--slate);text-transform:uppercase;
    opacity:0;animation:fade-in .5s ease forwards;animation-delay:.3s;
  }
  @keyframes fade-in{to{opacity:1;}}

  /* ---------- custom cursor ---------- */
  .cursor-dot, .cursor-ring{
    position:fixed;top:0;left:0;
    border-radius:50%;
    pointer-events:none;
    z-index:9998;
    transform:translate(-50%,-50%);
  }
  .cursor-dot{width:6px;height:6px;background:var(--amber);transition:opacity .2s;}
  .cursor-ring{
    width:34px;height:34px;
    border:1px solid var(--copper);
    opacity:0.7;
    transition:width .25s ease, height .25s ease, border-color .25s ease, opacity .2s;
  }
  .cursor-ring.grow{width:58px;height:58px;border-color:var(--amber);background:rgba(242,169,59,0.08);}
  body.cursor-active .cursor-dot, body.cursor-active .cursor-ring{opacity:1;}
  @media (hover:none), (pointer:coarse){
    .cursor-dot, .cursor-ring{display:none;}
  }

  /* ---------- spotlight (mouse-follow glow) ---------- */
  .spotlight{
    position:fixed;inset:0;z-index:1;
    pointer-events:none;
    background:radial-gradient(600px circle at var(--sx,50%) var(--sy,30%), rgba(201,122,61,0.08), transparent 60%);
    transition:background .1s ease;
  }

  /* ---------- animated blob ---------- */
  .blob{
    position:absolute;
    border-radius:42% 58% 65% 35% / 45% 40% 60% 55%;
    filter:blur(4px);
    animation:blob-morph 9s ease-in-out infinite;
    pointer-events:none;
  }
  @keyframes blob-morph{
    0%,100%{border-radius:42% 58% 65% 35% / 45% 40% 60% 55%; transform:rotate(0deg) scale(1);}
    33%{border-radius:60% 40% 30% 70% / 55% 65% 35% 45%; transform:rotate(8deg) scale(1.05);}
    66%{border-radius:35% 65% 55% 45% / 40% 55% 45% 60%; transform:rotate(-6deg) scale(0.98);}
  }

  /* ---------- tilt-ready elements ---------- */
  .tilt{
    transform-style:preserve-3d;
    will-change:transform;
    transition:transform .15s ease-out, border-color .3s, background .3s;
  }

  /* ---------- magnetic buttons ---------- */
  .magnetic{will-change:transform;transition:transform .25s cubic-bezier(.2,.9,.3,1.3);}
  .btn.solid{position:relative;overflow:hidden;}
  .btn.solid::before{
    content:"";position:absolute;inset:0;
    background:radial-gradient(circle at 50% 50%, rgba(255,255,255,0.35), transparent 60%);
    opacity:0;transition:opacity .3s;
  }
  .btn.solid:hover::before{opacity:1;}
  .btn.pulse{animation:btn-pulse 2.4s ease-in-out infinite;}
  @keyframes btn-pulse{
    0%,100%{box-shadow:0 0 0 0 rgba(242,169,59,0.35);}
    50%{box-shadow:0 0 0 8px rgba(242,169,59,0);}
  }

  /* ---------- hero text reveal ---------- */
  .split-line{overflow:hidden;display:block;}
  .split-line span{
    display:inline-block;
    transform:translateY(110%);
    opacity:0;
    animation:line-up .8s cubic-bezier(.2,.9,.2,1) forwards;
  }

  @keyframes line-up{to{transform:translateY(0);opacity:1;}}

  /* ---------- back to top ---------- */
  .to-top{
    position:fixed;bottom:28px;right:98px;z-index:90;
    width:52px;height:52px;
    display:flex;align-items:center;justify-content:center;
    background:var(--panel);border:1px solid var(--line-strong);
    border-radius:50%;cursor:pointer;
    opacity:0;pointer-events:none;
    transform:translateY(10px);
    transition:opacity .3s, transform .3s, border-color .3s;
  }
  .to-top.show{opacity:1;pointer-events:auto;transform:translateY(0);}
  .to-top:hover{border-color:var(--amber);}
  .to-top svg{width:16px;height:16px;stroke:var(--amber);}
  .to-top .ring{
    position:absolute;inset:0;border-radius:50%;
    background:conic-gradient(var(--amber) calc(var(--p,0) * 1%), transparent 0);
    -webkit-mask:radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 3px));
    mask:radial-gradient(farthest-side, transparent calc(100% - 3px), #000 calc(100% - 3px));
  }
  @media (max-width:1100px){.to-top{right:28px;bottom:94px;}}

  /* ---------- reduced motion ---------- */
  @media (prefers-reduced-motion: reduce){
    *{animation-duration:0.01ms !important;animation-iteration-count:1 !important;transition-duration:0.01ms !important;scroll-behavior:auto !important;}
  }

  /* ---------- global power switch (nav) ---------- */
  .grid-switch{
    display:flex;align-items:center;gap:10px;
    border:1px solid var(--line-strong);
    padding:9px 14px 9px 9px;
    background:transparent;cursor:pointer;
    font-family:'JetBrains Mono',monospace;font-size:0.68rem;letter-spacing:0.1em;text-transform:uppercase;
    color:var(--slate);
    transition:border-color .3s, color .3s;
  }
  .grid-switch .gs-track{
    width:34px;height:18px;border-radius:10px;background:#1c2740;position:relative;
    flex-shrink:0;transition:background .3s;
  }
  .grid-switch .gs-dot{
    position:absolute;top:2px;left:2px;width:14px;height:14px;border-radius:50%;
    background:var(--slate);transition:left .3s ease, background .3s, box-shadow .3s;
  }
  .grid-switch:hover{border-color:var(--copper);}
  .grid-switch.on{border-color:#2ecc71 !important;color:#2ecc71 !important;}
  .grid-switch.on .gs-track{background:rgba(46,204,113,0.22) !important;}
  .grid-switch.on .gs-dot{left:18px;background:#2ecc71 !important;box-shadow:0 0 8px rgba(46,204,113,0.85) !important;}
  .grid-switch.is-changing .gs-track{animation:grid-track-pulse .45s ease;}
  .grid-switch.is-changing .gs-dot{animation:grid-dot-pulse .45s ease;}
  @keyframes grid-track-pulse{50%{box-shadow:0 0 0 5px rgba(242,169,59,.16);}}
  @keyframes grid-dot-pulse{50%{transform:scale(1.35);}}
  @media (max-width:1100px){
    .grid-switch{padding:11px;border-radius:20px;min-width:44px;min-height:44px;justify-content:center;}
    .grid-switch span:not(.gs-track){display:none;}
  }

  /* site-wide glow accents when grid is powered */
  .logo .bolt{transition:color .3s, text-shadow .3s;}
  .logo .bolt.glow{color:var(--amber);text-shadow:0 0 10px rgba(242,169,59,0.85);animation:bolt-flicker .5s ease;}
  @keyframes bolt-flicker{0%{opacity:.3;}25%{opacity:1;}40%{opacity:.4;}60%{opacity:1;}}
  body.powered .eyebrow::before{box-shadow:0 0 8px rgba(242,169,59,0.7);}
  body.powered .spine-fill{box-shadow:0 0 20px var(--amber);}
  body.powered .spine-track{box-shadow:0 0 16px rgba(242,169,59,0.25);}

  .hero-visual.lit img{filter:grayscale(0%) brightness(1.08) saturate(1.05) contrast(1.05);}

  /* ---------- grid-scene illustration ---------- */
  .grid-scene{padding:120px 0 0;}
  .grid-scene .head-row{margin-bottom:50px;}
  .scene-wrap{
    position:relative;height:300px;
    overflow:hidden;
    border-top:1px solid var(--line);
    border-bottom:1px solid var(--line);
    background:linear-gradient(to bottom, #060b16 0%, #0a1220 65%, #0d1730 100%);
  }
  .scene-buildings{
    position:absolute;left:0;right:0;bottom:56px;
    display:flex;align-items:flex-end;gap:14px;
    padding:0 40px;height:250px;
  }
  .building{
    flex:1;min-width:56px;max-width:150px;
    background:#0d1626;border-top:1px solid #1c2740;
    display:grid;gap:6px;padding:10px;
    align-content:start;
    overflow:hidden;
  }
  .win{
    width:100%;aspect-ratio:1/1.25;
    background:#1a2338;
    transition:background .5s ease, box-shadow .5s ease;
    transition-delay:var(--d,0s);
  }
  .scene-wrap.powered .win.lit{
    background:var(--amber);
    box-shadow:0 0 6px rgba(242,169,59,0.65);
  }
  .scene-lamps{
    position:absolute;left:0;right:0;bottom:56px;z-index:3;
    display:flex;justify-content:space-between;
    padding:0 60px;pointer-events:none;
  }
  .scene-lamps .lamp{position:relative;display:flex;flex-direction:column;align-items:center;}
  .scene-lamps .lamp .cone{
    position:absolute;top:8px;left:50%;width:70px;height:90px;
    transform:translateX(-50%);
    background:radial-gradient(ellipse at top, rgba(242,169,59,0.4), transparent 72%);
    opacity:0;transition:opacity .5s ease;transition-delay:var(--d,0s);
  }
  .scene-lamps .lamp .arm{width:20px;height:2px;background:#2c3650;margin-bottom:-1px;}
  .scene-lamps .lamp .head{
    width:12px;height:12px;border-radius:50%;background:#3a4256;
    transition:background .35s ease, box-shadow .35s ease;transition-delay:var(--d,0s);
  }
  .scene-lamps .lamp .pole{width:3px;height:70px;background:#242e44;}
  .scene-wrap.powered .scene-lamps .lamp .head{
    background:var(--amber);
    box-shadow:0 0 10px 4px rgba(242,169,59,0.85), 0 0 28px 10px rgba(242,169,59,0.35);
  }
  .scene-wrap.powered .scene-lamps .lamp .cone{opacity:1;}
  .scene-wrap.powered.scene-powering .scene-lamps .lamp .head{
    animation:scene-lamp-on .55s ease-out both;
    animation-delay:var(--d,0s);
  }
  .scene-wrap.powered.scene-powering .scene-lamps .lamp .cone{
    animation:scene-cone-on .55s ease-out both;
    animation-delay:var(--d,0s);
  }
  @keyframes scene-lamp-on{
    0%{background:#3a4256;box-shadow:none;}
    55%{background:var(--amber);box-shadow:0 0 18px 7px rgba(242,169,59,0.95),0 0 38px 14px rgba(242,169,59,0.45);}
    100%{background:var(--amber);box-shadow:0 0 10px 4px rgba(242,169,59,0.85),0 0 28px 10px rgba(242,169,59,0.35);}
  }
  @keyframes scene-cone-on{0%{opacity:0;}55%{opacity:.75;}100%{opacity:1;}}
  .scene-road{
    position:absolute;left:0;right:0;bottom:0;height:56px;
    background:#050910;border-top:2px solid #1a2338;
    transition:box-shadow .8s ease;
  }
  .scene-road::before{
    content:"";position:absolute;top:50%;left:0;right:0;height:2px;
    background:repeating-linear-gradient(to right, #2a3450 0 24px, transparent 24px 48px);
    transform:translateY(-50%);
  }
  .scene-wrap.powered .scene-road{box-shadow:inset 0 26px 40px -12px rgba(242,169,59,0.1);}

  /* ---------- moving ad truck ---------- */
    /* ---------- moving ad truck (v2 — proper delivery-truck look) ---------- */
  .ad-truck{
    position:absolute;
    bottom:6px;right:-280px;
    width:230px;height:78px;
    z-index:6;
    opacity:0;
    pointer-events:none;
    filter:drop-shadow(0 6px 6px rgba(0,0,0,0.45));
  }
  .scene-wrap.powered .ad-truck{
    opacity:1;
    animation:drive-truck 8s linear infinite;
  }
  @keyframes drive-truck{
    0%{right:-280px;}
    100%{right:104%;}
  }

  /* ground contact shadow that travels with the truck */
  .ad-truck::after{
    content:"";
    position:absolute;left:8px;right:6px;bottom:-3px;height:8px;
    background:radial-gradient(ellipse at center, rgba(0,0,0,0.55), transparent 75%);
    border-radius:50%;
  }

  /* cab */
  .truck-cab{
    position:absolute;left:0;bottom:14px;
    width:48px;height:40px;
    background:linear-gradient(180deg, #1c2942 0%, #131d31 70%, #0e1524 100%);
    border:1px solid #2c3a58;
    border-radius:8px 14px 2px 3px;
    box-shadow:inset 0 1px 0 rgba(255,255,255,0.05);
  }
  /* windshield */
  .truck-cab::after{
    content:"";position:absolute;top:6px;left:9px;
    width:24px;height:15px;
    background:linear-gradient(135deg, rgba(160,200,255,0.28), rgba(160,200,255,0.05));
    border:1px solid #33415f;
    border-radius:5px 8px 2px 2px;
  }
  /* front bumper */
  .truck-cab::before{
    content:"";position:absolute;bottom:-4px;left:-2px;
    width:52px;height:6px;
    background:#20283c;border:1px solid #303c58;border-radius:3px;
  }

  /* cargo box / billboard housing */
  .truck-billboard{
    position:absolute;left:46px;bottom:12px;
    width:172px;height:52px;
    background:linear-gradient(180deg, #0e1830 0%, #0a1220 100%);
    border:1px solid var(--line-strong);
    border-radius:4px;
    overflow:hidden;
    transition:border-color .5s, box-shadow .5s;
  }
  /* frame rail + rivets along the top of the billboard box */
  .truck-billboard::before{
    content:"";position:absolute;top:0;left:0;right:0;height:5px;
    background:repeating-linear-gradient(to right, #2c3650 0 4px, transparent 4px 14px);
    opacity:.7;
  }
  .scene-wrap.powered .truck-billboard{
    border-color:var(--amber);
    box-shadow:0 0 16px rgba(242,169,59,0.45), inset 0 0 12px rgba(242,169,59,0.08);
  }

  .billboard-track{
    display:flex;align-items:center;height:100%;
    white-space:nowrap;width:max-content;
    animation:billboard-scroll 7s linear infinite;
    font-family:'JetBrains Mono',monospace;
    font-size:0.64rem;letter-spacing:0.08em;text-transform:uppercase;
    color:var(--amber);
  }
  .billboard-track span{padding:0 22px;display:inline-flex;align-items:center;gap:8px;}
  .billboard-track span::before{content:"⚡";font-size:0.7rem;}
  @keyframes billboard-scroll{
    from{transform:translateX(0);}
    to{transform:translateX(-50%);}
  }

  /* wheels — tyre + rim + hub glow */
  .truck-wheel{
    position:absolute;bottom:-6px;width:20px;height:20px;
    border-radius:50%;
    background:#0a0a0d;
    border:3px solid #1c1f28;
    box-shadow:inset 0 0 0 2px #333844;
  }
  .truck-wheel::after{
    content:"";position:absolute;inset:4px;
    border-radius:50%;
    background:radial-gradient(circle at 35% 35%, #565f72, #2a3040 70%);
    transition:background .4s, box-shadow .4s;
  }
  .scene-wrap.powered .truck-wheel::after{
    background:radial-gradient(circle at 35% 35%, #f2c98a, var(--amber) 75%);
    box-shadow:0 0 6px rgba(242,169,59,0.6);
    z-index:2;
  }
  .truck-wheel.w1{left:8px;}
  .truck-wheel.w2{left:32px;}
  .truck-wheel.w3{left:150px;}
  .truck-wheel.w4{left:178px;}

  /* wheel-well arches on the cargo box */
  .truck-billboard{}
  .ad-truck .arch{
    position:absolute;bottom:0;width:26px;height:12px;
    background:#050910;
    border-radius:13px 13px 0 0;
    z-index:1;
  }
  .ad-truck .arch.a1{left:138px;}
  .ad-truck .arch.a2{left:182px;}

  /* headlight */
  .truck-headlight{
    position:absolute;left:-3px;bottom:22px;
    width:6px;height:6px;border-radius:50%;
    background:var(--slate);
    transition:background .4s, box-shadow .4s;
  }
  .scene-wrap.powered .truck-headlight{
    background:#fff8e6;
    box-shadow:0 0 10px 4px rgba(255,240,200,0.85), -22px 0 26px 6px rgba(255,240,200,0.12);
  }
  /* small red taillight at the back of the cargo box for realism */
  .ad-truck .taillight{
    position:absolute;right:3px;bottom:22px;
    width:5px;height:8px;border-radius:2px;
    background:#3a1418;
    transition:background .4s, box-shadow .4s;
  }
  .scene-wrap.powered .ad-truck .taillight{
    background:#ff5b4d;
    box-shadow:0 0 8px 2px rgba(255,91,77,0.7);
  }

  @media (max-width:700px){.ad-truck{transform:scale(0.82);transform-origin:left bottom;}}
  @media (max-width:700px){
    .scene-buildings{padding:0 16px;gap:8px;}
    .scene-lamps{padding:0 24px;}
  }

  /* ---------- whatsapp float ---------- */
  .wa-float{
    position:fixed;bottom:28px;right:28px;z-index:90;
    width:56px;height:56px;background:#25D366;border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 20px rgba(0,0,0,0.4);
    transition:transform .25s;
  }
  .wa-float:hover{transform:scale(1.08);}
  .wa-float svg{width:28px;height:28px;fill:#fff;}

  /* ---------- mobile nav ---------- */
  @media (max-width:1100px){
    nav.links{
      position:fixed;top:76px;left:0;right:0;bottom:0;
      background:var(--ink);
      flex-direction:column;
      padding:40px 32px;
      gap:0;
      transform:translateX(100%);
      transition:transform .35s ease;
      z-index:1;
    }
    nav.links.open{transform:translateX(0);}
    nav.links a{padding:18px 0;border-bottom:1px solid var(--line);font-size:1.1rem;}
    .nav-cta .btn:not(.icon-only){display:none;}
    .menu-toggle{display:block;}
    .hero-actions .phone{display:none;}
  }
  @media (min-width:1101px){.menu-toggle{display:none;}}

  /* ================================================================
     LIGHT MODE ("Simple Mode")
     Everything below re-points the same CSS variables the whole site
     already runs on, plus a few hand-picked spots that use hard-coded
     dark hex values instead of variables. The night skyline in the
     "Flip the switch" scene is left dark on purpose — it's meant to
     depict lit windows at night regardless of site theme.
     ================================================================ */
  body.light{
    --ink:#f5f7fa;
    --panel:#ffffff;
    --panel2:#eef1f6;
    --copper:#b5672d;
    --copper-dim:#8a5228;
    --amber:#c9791f;
    --paper:#0c1524;
    --slate:#5b6579;
    --line:rgba(12,21,36,0.08);
    --line-strong:rgba(12,21,36,0.16);
  }
  body.light .topbar{background:#ffffff;}
  body.light header.nav::before{background:rgba(255,255,255,0.85);}
  body.light footer{background:#eef1f6;}
  body.light .grid-bg{opacity:0.5;}
  body.light .hero::before{background:radial-gradient(circle, rgba(181,103,45,0.14), transparent 70%);}
  body.light .hero-visual .frame-tag{background:rgba(255,255,255,0.9);}
  body.light .proj-info{background:linear-gradient(to top, rgba(255,255,255,0.96), transparent);}
  body.light .proj-info h4{color:var(--paper);}
  body.light .proj img{filter:grayscale(30%) brightness(0.92);}
  body.light .proj:hover img{filter:grayscale(0%) brightness(0.85);}
  body.light .marquee img{filter:grayscale(100%) brightness(0.35) contrast(1.1);opacity:0.6;}
  body.light .marquee img:hover{opacity:1;filter:none;}
  body.light ::selection{background:var(--amber);color:#fff;}
  body.light .grid-switch .gs-track{background:#dfe4ec;}
  body.light .truck-billboard{background:#ffffff;}
  body.light .theme-toggle{color:var(--copper);}

  @media (max-width:1100px){
    .theme-toggle{width:38px;height:38px;}
  }

  /* ---------- phone-width refinements ---------- */
  @media (max-width:600px){
    .container{padding:0 20px;}
    .topbar .container{font-size:0.64rem;padding:8px 20px;}
    .nav .container{height:64px;}
    .logo{font-size:1rem;gap:8px;}
    .logo .bolt{font-size:1.2rem;}
    .logo small{display:none;}
    .nav-cta{gap:8px;}
  }
  @media (max-width:1100px){
    nav.links{top:64px;}
  }
  @media (min-width:601px) and (max-width:1100px){
    nav.links{top:76px;}
  }
  @media (max-width:1100px){
    .hero{padding:96px 0 56px;min-height:auto;}
    .hero-actions{gap:14px;}
    .services, .featured, .work, .testimonials{padding:80px 0;}
    .grid-scene{padding:80px 0 0;}
    .head-row{margin-bottom:36px;}
    .stat{padding:36px 16px;}
    .stat .num{font-size:2.4rem;}
    .cta-half{padding:44px 22px;}
    .about-visual .badge{padding:18px;width:120px;font-size:1.4rem;left:-14px;bottom:-14px;}
    .newsletter{padding:60px 0;}
    .newsletter .container{flex-direction:column;align-items:stretch;text-align:left;}
    .news-form{min-width:0;width:100%;}
    footer{padding:64px 0 30px;}
    .foot-grid{gap:34px;padding-bottom:40px;}
    .foot-bottom{flex-direction:column;align-items:flex-start;gap:6px;}
    .wa-float{width:50px;height:50px;bottom:20px;right:20px;}
    .to-top{width:46px;height:46px;bottom:82px;right:20px;}
  }

  /* keep the grid switch and its 'on' state legible on very small phones */
  @media (max-width:360px){
    .nav-cta{gap:10px;}
    .grid-switch{padding:9px;}
  }
  @media (max-width:600px){
    html{overflow-x:hidden;}
    body.menu-open{overflow:hidden;position:fixed;width:100%;}
    body{padding-top:68px;}
    .topbar{display:block;}
    header.nav{position:fixed;top:0;left:0;right:0;z-index:100;}
    .container{padding-left:18px;padding-right:18px;}
    .nav .container{height:68px;padding-left:18px;padding-right:18px;}
    nav.links{top:68px;}
    .hero{min-height:0;padding:64px 0 56px;}
    .hero .container{grid-template-columns:minmax(0,1fr);gap:38px;}
    .hero h1{font-size:clamp(2.15rem,11vw,3.2rem);}
    .hero p.lead{font-size:.98rem;margin-bottom:28px;}
    .hero-visual img{transform:scale(.9);}
    .hero-visual .frame-tag{display:none;}
    .hero-grid-switch{top:10px;right:10px;width:40px;height:40px;padding:0;display:flex;align-items:center;justify-content:center;}
  }