:root{
    --charcoal:#1C2124;
    --charcoal-2:#262D31;
    --steel:#B8C2C6;
    --steel-dim:#7C888D;
    --oxide:#A63A2E;
    --oxide-bright:#C24A3B;
    --amber:#E8A33D;
    --panel:#EDEAE2;
    --panel-2:#E2DDCF;
    --ink:#14171A;
    --white:#F7F6F2;
  }
  *{box-sizing:border-box;margin:0;padding:0;}
  html{scroll-behavior:smooth;}
  body{
    background:var(--panel);
    color:var(--ink);
    font-family:'Work Sans',sans-serif;
    font-size:16px;
    line-height:1.55;
    overflow-x:hidden;
  }
  h1,h2,h3,.display{
    font-family:'Oswald',sans-serif;
    text-transform:uppercase;
    letter-spacing:0.01em;
    font-weight:600;
    color:var(--charcoal);
  }
  .mono{font-family:'IBM Plex Mono',monospace;}
  a{color:inherit;text-decoration:none;}
  img{max-width:100%;display:block;}
  .wrap{max-width:1180px;margin:0 auto;padding:0 24px;}
  :focus-visible{outline:3px solid var(--amber);outline-offset:2px;}

  /* ---- corrugated ridge divider, the signature element ---- */
  .ridge{
    height:22px;
    width:100%;
    background-image: repeating-linear-gradient(
      -35deg,
      var(--charcoal) 0px, var(--charcoal) 10px,
      var(--charcoal-2) 10px, var(--charcoal-2) 20px
    );
    position:relative;
  }
  .ridge.light{
    background-image: repeating-linear-gradient(
      -35deg,
      var(--panel-2) 0px, var(--panel-2) 10px,
      var(--panel) 10px, var(--panel) 20px
    );
  }
  .ridge.oxide{
    background-image: repeating-linear-gradient(
      -35deg,
      var(--oxide) 0px, var(--oxide) 10px,
      var(--oxide-bright) 10px, var(--oxide-bright) 20px
    );
  }

  /* ---- header ---- */
  header{
    position:sticky;top:0;z-index:50;
    background:var(--charcoal);
    color:var(--white);
  }
  .nav{
    display:flex;align-items:center;justify-content:space-between;
    padding:16px 24px;max-width:1180px;margin:0 auto;
  }
  .brand{display:flex;flex-direction:column;line-height:1;}
  .brand .name{font-family:'Oswald';font-size:20px;font-weight:700;letter-spacing:0.03em;color:var(--white);}
  .brand .sub{font-family:'IBM Plex Mono';font-size:10px;letter-spacing:0.08em;color:var(--amber);margin-top:3px;}
  nav.links{display:flex;gap:28px;font-size:14px;letter-spacing:0.02em;}
  nav.links a{opacity:0.85;transition:opacity .15s, color .15s;}
  nav.links a:hover{opacity:1;color:var(--amber);}
  .cta-btn{
    background:var(--oxide);color:var(--white);
    font-family:'Oswald';font-weight:600;letter-spacing:0.03em;
    font-size:14px;text-transform:uppercase;
    padding:11px 22px;border:none;cursor:pointer;
    transition:background .15s, transform .15s;
    display:inline-block;
  }
  .cta-btn:hover{background:var(--oxide-bright);transform:translateY(-1px);}
  .menu-toggle{display:none;background:none;border:none;color:var(--white);font-size:26px;cursor:pointer;}

  /* ---- hero ---- */
  .hero{
    background:var(--charcoal);
    color:var(--white);
    position:relative;
    padding:72px 0 96px;
    overflow:hidden;
  }
  .hero::before{
    content:"";
    position:absolute; top:0; right:-10%;
    width:60%; height:100%;
    background-image: repeating-linear-gradient(
      100deg,
      rgba(184,194,198,0.06) 0px, rgba(184,194,198,0.06) 3px,
      transparent 3px, transparent 34px
    );
    pointer-events:none;
  }
  .hero-grid{
    display:grid;grid-template-columns:1.15fr 0.85fr;gap:48px;
    align-items:center; position:relative; z-index:1;
  }
  .eyebrow{
    font-family:'IBM Plex Mono';font-size:12px;letter-spacing:0.12em;
    color:var(--amber);text-transform:uppercase;margin-bottom:18px;
    display:flex;align-items:center;gap:10px;
  }
  .eyebrow::before{content:"";width:26px;height:2px;background:var(--amber);}
  .hero h1{
    font-size:clamp(38px,5.4vw,64px);
    line-height:1.04;color:var(--white);margin-bottom:22px;
  }
  .hero h1 span{color:var(--amber);}
  .hero p.lead{
    font-size:17px;color:var(--steel);max-width:46ch;margin-bottom:32px;
  }
  .hero-ctas{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px;}
  .btn-ghost{
    border:1.5px solid var(--steel-dim);color:var(--white);
    font-family:'Oswald';font-weight:600;letter-spacing:0.03em;
    font-size:14px;text-transform:uppercase;padding:10px 22px;
    transition:border-color .15s, color .15s;
  }
  .btn-ghost:hover{border-color:var(--amber);color:var(--amber);}
  .trust-strip{display:flex;gap:28px;flex-wrap:wrap;}
  .trust-item{font-family:'IBM Plex Mono';font-size:12px;color:var(--steel-dim);}
  .trust-item b{color:var(--steel);display:block;font-size:15px;font-family:'Oswald';letter-spacing:0.02em;}

  .hero-spec{
    background:var(--charcoal-2);
    border:1px solid #34393C;
    padding:26px;
  }
  .hero-spec .spec-title{
    font-family:'IBM Plex Mono';font-size:11px;letter-spacing:0.1em;
    color:var(--amber);text-transform:uppercase;margin-bottom:16px;
    border-bottom:1px solid #3A4044;padding-bottom:12px;
  }
  .spec-row{
    display:flex;justify-content:space-between;
    font-family:'IBM Plex Mono';font-size:13px;
    padding:10px 0;border-bottom:1px dashed #34393C;color:var(--steel);
  }
  .spec-row:last-child{border-bottom:none;}
  .spec-row span:last-child{color:var(--white);}

  /* ---- section basics ---- */
  section{padding:80px 0;}
  .section-head{max-width:640px;margin-bottom:48px;}
  .section-head .eyebrow{color:var(--oxide);}
  .section-head .eyebrow::before{background:var(--oxide);}
  .section-head h2{font-size:clamp(28px,3.6vw,42px);line-height:1.08;}
  .section-head p{color:var(--steel-dim);margin-top:14px;font-size:16px;}

  /* ---- services ---- */
  .services{background:var(--panel);}
  .service-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:#D8D2C0;border:1px solid #D8D2C0;}
  .service-card{
    background:var(--panel);padding:32px 28px;
    transition:background .15s;
    display:block;
  }
  .service-card:hover{background:var(--white);}
  .service-num{font-family:'IBM Plex Mono';font-size:12px;color:var(--oxide);margin-bottom:14px;}
  .service-card h3{font-size:19px;margin-bottom:10px;letter-spacing:0.01em;}
  .service-card p{font-size:14.5px;color:var(--steel-dim);}

  /* ---- process / why us ---- */
  .why{background:var(--charcoal);color:var(--white);}
  .why .section-head .eyebrow{color:var(--amber);}
  .why .section-head .eyebrow::before{background:var(--amber);}
  .why .section-head h2{color:var(--white);}
  .why .section-head p{color:var(--steel-dim);}
  .why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;}
  .why-item .mono{color:var(--amber);font-size:13px;display:block;margin-bottom:10px;}
  .why-item h3{color:var(--white);font-size:17px;margin-bottom:8px;}
  .why-item p{color:var(--steel-dim);font-size:14px;}

  /* ---- gallery ---- */
  .gallery{background:var(--panel);}
  .gallery-grid{
    display:grid;grid-template-columns:repeat(4,1fr);
    grid-auto-rows:190px;gap:6px;grid-auto-flow:dense;
  }
  .gallery-grid > div:nth-child(1){grid-column:span 2;grid-row:span 2;}
  .g-tile{
    background:var(--charcoal);
    display:flex;align-items:flex-end;padding:14px;position:relative;
    overflow:hidden;
  }
  .g-tile img{
    position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
    transition:transform .4s ease;
  }
  .g-tile:hover img{transform:scale(1.06);}
  .g-tile::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(to top, rgba(20,23,26,0.65) 0%, rgba(20,23,26,0) 45%);
  }
  .g-tile span{
    font-family:'IBM Plex Mono';font-size:11px;letter-spacing:0.05em;
    color:var(--white);position:relative;z-index:1;
  }

  /* ---- pricing / spec sheet ---- */
  .pricing{background:var(--white);}
  table.spec-table{width:100%;border-collapse:collapse;font-family:'IBM Plex Mono';font-size:13.5px;}
  table.spec-table th{
    text-align:left;text-transform:uppercase;letter-spacing:0.06em;
    font-size:11px;color:var(--oxide);padding:12px 14px;
    border-bottom:2px solid var(--charcoal);
  }
  table.spec-table td{padding:13px 14px;border-bottom:1px solid #E4E0D3;color:var(--ink);}
  table.spec-table tr:hover td{background:var(--panel);}
  .pricing-note{font-size:13px;color:var(--steel-dim);margin-top:16px;}

  /* ---- areas ---- */
  .areas{background:var(--charcoal);color:var(--white);}
  .areas .section-head .eyebrow{color:var(--amber);}
  .areas .section-head .eyebrow::before{background:var(--amber);}
  .areas .section-head h2{color:var(--white);}
  .areas .section-head p{color:var(--steel-dim);}
  .area-cols{display:grid;grid-template-columns:1fr 1fr;gap:40px;}
  .area-cols h3{color:var(--amber);font-size:13px;font-family:'IBM Plex Mono';letter-spacing:0.08em;text-transform:uppercase;margin-bottom:16px;}
  .tag-list{display:flex;flex-wrap:wrap;gap:10px;}
  .tag{
    border:1px solid #3A4044;padding:8px 14px;font-size:13.5px;color:var(--steel);
  }

  /* ---- testimonials ---- */
  .testimonials{background:var(--panel);}
  .t-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
  .t-card{background:var(--white);padding:28px;border-left:3px solid var(--oxide);}
  .t-card p{font-size:15px;color:var(--ink);margin-bottom:14px;}
  .t-card .who{font-family:'IBM Plex Mono';font-size:12px;color:var(--steel-dim);}

  /* ---- CTA band ---- */
  .cta-band{
    background:var(--oxide);color:var(--white);text-align:center;padding:64px 24px;
  }
  .cta-band h2{color:var(--white);font-size:clamp(26px,4vw,40px);margin-bottom:16px;}
  .cta-band p{color:#F2D9D3;margin-bottom:28px;font-size:16px;}
  .cta-band .btn-ghost{border-color:rgba(255,255,255,0.5);color:var(--white);}
  .cta-band .btn-ghost:hover{border-color:var(--white);background:rgba(255,255,255,0.1);}

  /* ---- footer ---- */
  footer{background:var(--charcoal-2);color:var(--steel);padding:56px 0 28px;}
  .foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px;margin-bottom:40px;}
  footer h4{font-family:'Oswald';color:var(--white);font-size:14px;letter-spacing:0.05em;text-transform:uppercase;margin-bottom:16px;}
  footer p, footer a{font-size:14px;color:var(--steel-dim);}
  footer ul{list-style:none;}
  footer li{margin-bottom:9px;}
  footer a:hover{color:var(--amber);}
  .foot-bottom{
    border-top:1px solid #34393C;padding-top:22px;
    display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
    font-family:'IBM Plex Mono';font-size:12px;color:var(--steel-dim);
  }

  /* ---- floating whatsapp button ---- */
  .wa-float{
    position:fixed;
    right:22px;
    bottom:22px;
    width:58px;height:58px;
    background:#25D366;
    border-radius:50%;
    display:flex;align-items:center;justify-content:center;
    box-shadow:0 6px 18px rgba(0,0,0,0.28);
    z-index:100;
    transition:transform .18s ease, box-shadow .18s ease;
    animation:wa-pulse 2.4s ease-out infinite;
  }
  .wa-float:hover{transform:scale(1.08);box-shadow:0 8px 22px rgba(0,0,0,0.34);}
  .wa-float svg{width:30px;height:30px;}
  @keyframes wa-pulse{
    0%{box-shadow:0 6px 18px rgba(0,0,0,0.28), 0 0 0 0 rgba(37,211,102,0.5);}
    70%{box-shadow:0 6px 18px rgba(0,0,0,0.28), 0 0 0 14px rgba(37,211,102,0);}
    100%{box-shadow:0 6px 18px rgba(0,0,0,0.28), 0 0 0 0 rgba(37,211,102,0);}
  }
  @media (prefers-reduced-motion: reduce){
    .wa-float{animation:none;}
  }
  @media (max-width:720px){
    .wa-float{right:16px;bottom:16px;width:52px;height:52px;}
    .wa-float svg{width:27px;height:27px;}
  }

  /* ---- reveal on scroll ---- */
  .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease;}
  .reveal.in{opacity:1;transform:translateY(0);}

  @media (prefers-reduced-motion: reduce){
    .reveal{transition:none;opacity:1;transform:none;}
    html{scroll-behavior:auto;}
  }

  /* ---- responsive ---- */
  @media (max-width:920px){
    .hero-grid{grid-template-columns:1fr;}
    .service-grid{grid-template-columns:repeat(2,1fr);}
    .why-grid{grid-template-columns:repeat(2,1fr);}
    .area-cols{grid-template-columns:1fr;}
    .t-grid{grid-template-columns:1fr;}
    .foot-grid{grid-template-columns:1fr;}
    .gallery-grid{grid-template-columns:repeat(2,1fr);}
    .gallery-grid > div:nth-child(1){grid-column:span 2;grid-row:span 1;}
  }
  @media (max-width:720px){
    nav.links{
      position:fixed;top:64px;left:0;right:0;bottom:0;
      background:var(--charcoal);flex-direction:column;
      padding:32px 24px;gap:22px;font-size:18px;
      transform:translateX(100%);transition:transform .25s ease;
    }
    nav.links.open{transform:translateX(0);}
    .menu-toggle{display:block;}
    .service-grid{grid-template-columns:1fr;}
    .why-grid{grid-template-columns:1fr;}
  }

  /* ---- service page additions ---- */
  .subhero{
    background:var(--charcoal);color:var(--white);padding:52px 0 60px;position:relative;overflow:hidden;
  }
  .subhero::before{
    content:"";position:absolute;top:0;right:-10%;width:60%;height:100%;
    background-image:repeating-linear-gradient(100deg,rgba(184,194,198,0.06) 0px,rgba(184,194,198,0.06) 3px,transparent 3px,transparent 34px);
    pointer-events:none;
  }
  .breadcrumb{
    font-family:'IBM Plex Mono';font-size:12px;color:var(--steel-dim);margin-bottom:18px;position:relative;z-index:1;
  }
  .breadcrumb a{color:var(--steel);}
  .breadcrumb a:hover{color:var(--amber);}
  .subhero h1{font-size:clamp(32px,5vw,50px);line-height:1.06;color:var(--white);max-width:16ch;position:relative;z-index:1;}
  .subhero p.lead{color:var(--steel);max-width:56ch;margin-top:18px;font-size:16.5px;position:relative;z-index:1;}
  .subhero .hero-ctas{margin-top:28px;position:relative;z-index:1;}

  .detail-grid{display:grid;grid-template-columns:1.4fr 1fr;gap:56px;align-items:start;}
  .detail-copy h2{font-size:26px;margin-bottom:14px;margin-top:36px;}
  .detail-copy h2:first-child{margin-top:0;}
  .detail-copy p{color:var(--ink);font-size:15.5px;margin-bottom:14px;max-width:62ch;}
  .detail-copy ul{margin:0 0 14px 20px;color:var(--ink);font-size:15.5px;}
  .detail-copy li{margin-bottom:6px;}

  .side-card{background:var(--panel);border:1px solid #D8D2C0;padding:26px;margin-bottom:20px;}
  .side-card h3{font-family:'IBM Plex Mono';font-size:12px;letter-spacing:0.08em;text-transform:uppercase;color:var(--oxide);margin-bottom:14px;}
  .side-card .spec-row{color:var(--ink);border-bottom:1px dashed #D8D2C0;}
  .side-card .spec-row span:last-child{color:var(--charcoal);font-weight:600;}

  .related-links{display:flex;flex-direction:column;gap:10px;}
  .related-links a{
    display:block;border:1px solid #D8D2C0;padding:12px 16px;font-size:14px;
    transition:border-color .15s, background .15s;
  }
  .related-links a:hover{border-color:var(--oxide);background:var(--white);}

  @media (max-width:920px){
    .detail-grid{grid-template-columns:1fr;}
  }