:root{
    --white:#ffffff;
    --off:#F6F6F4;
    --ink:#0E0E0F;
    --ink-soft:#6B6C6E;
    --line:rgba(14,14,15,0.10);
    --line-strong:rgba(14,14,15,0.22);
    --metal:#8C8E90;
    --metal-light:#C9CACB;
    --copper:#C41E2E;
    --copper-bright:#E2394A;
    --gold:#D9A521;
    --ease:cubic-bezier(.16,.84,.34,1);
  }
  *{box-sizing:border-box; margin:0; padding:0;}
  html{scroll-behavior:smooth;}
  body{background:var(--white); color:var(--ink); font-family:'Inter',sans-serif; line-height:1.55; -webkit-font-smoothing:antialiased;}
  h1,h2,h3,.disp{font-family:'Space Grotesk',sans-serif; font-weight:600; letter-spacing:-0.02em; color:var(--ink);}
  a{color:inherit; text-decoration:none;}
  img{max-width:100%; display:block;}
  .wrap{max-width:1320px; margin:0 auto; padding:0 44px;}
  :focus-visible{outline:2px solid var(--copper); outline-offset:3px;}

  .reveal{opacity:0; transform:translateY(28px); transition:opacity .9s var(--ease), transform .9s var(--ease);}
  .reveal.in{opacity:1; transform:translateY(0);}

  .eyebrow{font-size:11px; text-transform:uppercase; letter-spacing:0.22em; font-weight:700; color:var(--metal); display:inline-flex; align-items:center; gap:10px;}
  .eyebrow b{color:var(--copper);}

  /* signature: extrusion / spec-ruler divider, echoes an aluminium profile cross-section */
  .ruler{position:relative; height:34px; display:flex; align-items:center;}
  .ruler .track{position:relative; width:100%; height:1px; background:linear-gradient(90deg, transparent, var(--line-strong) 8%, var(--line-strong) 92%, transparent);}
  .ruler .tick{position:absolute; top:-4px; width:1px; height:9px; background:var(--gold);}
  .ruler .label{position:absolute; right:44px; top:-22px; font-family:'Space Grotesk',sans-serif; font-size:10.5px; letter-spacing:0.1em; color:var(--metal); text-transform:uppercase;}

  .imgph{position:relative; overflow:hidden; background:linear-gradient(160deg,#DCDCD9 0%, #C6C6C2 50%, #B3B3AE 100%);}
  .imgph img{position:absolute; inset:0; width:100%; height:100%; object-fit:cover; z-index:0;}
  .imgph::after{content:attr(data-label); position:absolute; left:16px; bottom:16px; font-size:10px; letter-spacing:0.1em; text-transform:uppercase; font-weight:700; color:var(--ink); background:rgba(255,255,255,0.72); padding:6px 12px; z-index:2;}
  .imgph::before{content:''; position:absolute; inset:0; background:linear-gradient(180deg, rgba(0,0,0,0.02), rgba(0,0,0,0.18)); z-index:1;}

  /* ===== Header ===== */
  header{position:fixed; top:0; left:0; right:0; z-index:100; background:rgba(255,255,255,0.86); backdrop-filter:blur(16px); border-bottom:1px solid var(--line); padding:0;}
  header .wrap{display:flex; align-items:center; justify-content:space-between; height:76px;}
  .logo{font-family:'Space Grotesk',sans-serif; font-weight:700; font-size:17px; letter-spacing:-0.01em; display:flex; align-items:center; gap:8px;}
  .logo .dot{width:7px; height:7px; background:var(--copper); border-radius:50%;}
  nav{display:flex; gap:36px;}
  nav a{font-size:12.5px; font-weight:600; color:var(--ink-soft); letter-spacing:0.01em;}
  nav a:hover{color:var(--ink);}
  .header-actions{display:flex; align-items:center; gap:22px;}
  .btn{display:inline-flex; align-items:center; gap:8px; padding:13px 26px; font-size:12px; font-weight:700; letter-spacing:0.04em; text-transform:uppercase; border-radius:2px; cursor:pointer; transition:all .3s var(--ease); white-space:nowrap;}
  .btn-fill{background:var(--ink); color:var(--white);}
  .btn-fill:hover{background:var(--copper);}
  .btn-text{color:var(--ink); font-weight:700; font-size:12.5px; border-bottom:1px solid var(--ink); padding-bottom:2px;}
  .btn-text:hover{color:var(--copper); border-color:var(--copper);}

  /* dot progress nav */
  .dotnav{position:fixed; right:30px; top:50%; transform:translateY(-50%); z-index:90; display:flex; flex-direction:column; gap:14px;}
  .dotnav span{width:6px; height:6px; border-radius:50%; background:var(--line-strong); cursor:pointer; transition:all .3s var(--ease); display:block;}
  .dotnav span.active{background:var(--copper); transform:scale(1.7);}
  @media (max-width:960px){.dotnav{display:none;}}

  /* ===== Hero ===== */
  .hero{min-height:auto; display:flex; align-items:center; padding-top:110px; position:relative;}
  .hero-num{position:absolute; bottom:-6%; right:2%; font-family:'Space Grotesk',sans-serif; font-size:min(24vw,280px); font-weight:700; color:var(--off); line-height:1; z-index:0; user-select:none;}
  .hero-grid{position:relative; z-index:1; display:grid; grid-template-columns:1.05fr 0.95fr; gap:64px; align-items:center; width:100%;}
  .hero-content h1{font-size:clamp(38px,4.6vw,66px); line-height:1.06; margin:20px 0 24px; max-width:560px;}
  .hero-content p{font-size:16px; color:var(--ink-soft); max-width:440px; margin-bottom:32px;}
  .hero-ctas{display:flex; gap:16px; flex-wrap:wrap; align-items:center;}
  .hero-visual .imgph{width:100%; height:520px; border-radius:2px;}
  @media (max-width:960px){
    .hero{min-height:auto; padding-top:110px;}
    .hero-grid{grid-template-columns:1fr; gap:36px;}
    .hero-visual .imgph{height:340px;}
    .hero-num{display:none;}
  }

  /* ===== marquee strip ===== */
  .marquee{border-top:1px solid var(--line); border-bottom:1px solid var(--line); padding:20px 0; overflow:hidden; background:var(--off);}
  .marquee-track{display:flex; gap:64px; white-space:nowrap; animation:scroll 28s linear infinite; width:max-content;}
  .marquee-track span{font-family:'Space Grotesk',sans-serif; font-size:13px; font-weight:600; letter-spacing:0.05em; color:var(--ink-soft); text-transform:uppercase;}
  @keyframes scroll{from{transform:translateX(0);} to{transform:translateX(-50%);}}
  @media (prefers-reduced-motion: reduce){.marquee-track{animation:none;}}

  /* ===== section generic ===== */
  section{padding:150px 0;}
  .section-head{max-width:640px; margin-bottom:70px;}
  .section-head h2{font-size:clamp(30px,3.6vw,52px); margin-top:16px;}
  .section-head p{color:var(--ink-soft); font-size:15.5px; margin-top:16px;}

  /* ===== About: big statement + specs ===== */
  .statement{font-size:clamp(26px,3vw,42px); line-height:1.28; max-width:960px; margin-bottom:80px;}
  .statement b{font-weight:600; color:var(--ink);}
  .statement .dim{color:var(--line-strong);}
  .spec-row{display:grid; grid-template-columns:repeat(3,1fr); border-top:1px solid var(--line-strong);}
  .spec{padding:30px 30px 0 0; border-right:1px solid var(--line);}
  .spec:last-child{border-right:none;}
  .spec .k{font-family:'Space Grotesk',sans-serif; font-size:12px; color:var(--copper); letter-spacing:0.06em; text-transform:uppercase; margin-bottom:12px; display:block;}
  .spec h3{font-size:19px; margin-bottom:8px;}
  .spec p{font-size:13.5px; color:var(--ink-soft);}

  /* ===== Solutions: full-bleed alternating panels ===== */
  .panel{display:grid; grid-template-columns:1fr 1fr; min-height:70vh;}
  .panel-visual .imgph{width:100%; height:100%; min-height:420px;}
  .panel-copy{display:flex; flex-direction:column; justify-content:center; padding:70px;}
  .panel-copy .idx{font-family:'Space Grotesk',sans-serif; font-size:13px; color:var(--metal); margin-bottom:18px; display:block;}
  .panel-copy h3{font-size:clamp(28px,2.6vw,40px); margin-bottom:18px;}
  .panel-copy p{font-size:15px; color:var(--ink-soft); max-width:400px; margin-bottom:26px;}
  .panel.rev{grid-template-columns:1fr 1fr;}
  .panel.rev .panel-visual{order:2;}
  .panel.rev .panel-copy{order:1;}
  @media (max-width:900px){
    .panel, .panel.rev{grid-template-columns:1fr;}
    .panel.rev .panel-visual, .panel.rev .panel-copy{order:0;}
    .panel-copy{padding:50px 28px;}
  }

  /* ===== Why: spec table ===== */
  .spec-table{border-top:1px solid var(--line-strong);}
  .spec-line{display:grid; grid-template-columns:280px 1fr 60px; align-items:center; padding:26px 0; border-bottom:1px solid var(--line); gap:24px;}
  .spec-line h4{font-size:17px; font-weight:600;}
  .spec-line p{font-size:14px; color:var(--ink-soft);}
  .spec-line .arrow{justify-self:end; color:var(--metal); font-size:18px;}
  @media (max-width:760px){.spec-line{grid-template-columns:1fr; gap:8px;} .spec-line .arrow{display:none;}}

  /* ===== finishes strip ===== */
  .finish-strip{display:flex; gap:18px; overflow-x:auto; padding-bottom:10px; scrollbar-width:none;}
  .finish-strip::-webkit-scrollbar{display:none;}
  .finish-card{flex:0 0 260px;}
  .finish-card .imgph{height:200px; margin-bottom:14px;}
  .finish-card h4{font-size:14px; font-weight:600;}
  .finish-card span{font-size:12px; color:var(--ink-soft);}

  /* ===== Experience centre: cinematic full bleed ===== */
  .cinema{position:relative; height:82vh; display:flex; align-items:flex-end;}
  .cinema .imgph{position:absolute; inset:0;}
  .cinema-content{position:relative; z-index:1; padding:70px 44px; color:var(--white); width:100%;
    background:linear-gradient(0deg, rgba(14,14,15,0.75), transparent 65%);}
  .cinema-content .eyebrow{color:var(--copper-bright);}
  .cinema-content h2{color:var(--white); font-size:clamp(30px,4vw,58px); margin:16px 0 20px;}
  .cinema-content p{color:rgba(255,255,255,0.78); max-width:440px; font-size:15px; margin-bottom:30px;}

  /* ===== Case studies ===== */
  .case-row{display:grid; grid-template-columns:repeat(3,1fr); gap:1px; background:var(--line);}
  .case-item{background:var(--white); padding-bottom:26px;}
  .case-item .imgph{height:280px; margin-bottom:22px;}
  .case-item .loc{font-size:11px; letter-spacing:0.12em; text-transform:uppercase; font-weight:700; color:var(--copper); padding:0 26px; display:block; margin-bottom:10px;}
  .case-item h3{font-size:18px; padding:0 26px; margin-bottom:10px;}
  .case-item p{font-size:13.5px; color:var(--ink-soft); padding:0 26px;}
  @media (max-width:900px){.case-row{grid-template-columns:1fr;}}

  /* ===== Testimonial takeover ===== */
  .testi{background:var(--ink); color:var(--white); padding:160px 0;}
  .testi-wrap{max-width:880px; margin:0 auto; text-align:center;}
  .testi-slide{display:none;}
  .testi-slide.active{display:block; animation:fade .7s var(--ease);}
  @keyframes fade{from{opacity:0; transform:translateY(10px);} to{opacity:1; transform:translateY(0);}}
  .testi-slide p{font-family:'Space Grotesk',sans-serif; font-weight:500; font-size:clamp(24px,3vw,38px); line-height:1.35; margin-bottom:30px;}
  .testi-name{font-size:12px; letter-spacing:0.1em; text-transform:uppercase; color:var(--metal-light); font-weight:600;}
  .testi-dots{display:flex; gap:10px; justify-content:center; margin-top:44px;}
  .testi-dots span{width:6px; height:6px; border-radius:50%; background:rgba(255,255,255,0.24); cursor:pointer;}
  .testi-dots span.active{background:var(--copper-bright);}

  /* ===== FAQ ===== */
  .faq-item{border-top:1px solid var(--line-strong);}
  .faq-item:last-child{border-bottom:1px solid var(--line-strong);}
  .faq-q{display:flex; justify-content:space-between; align-items:center; padding:28px 0; cursor:pointer; font-size:17px; font-weight:600;}
  .faq-q .plus{color:var(--copper); font-size:22px; font-weight:300; transition:transform .3s var(--ease);}
  .faq-item.open .plus{transform:rotate(45deg);}
  .faq-a{max-height:0; overflow:hidden; transition:max-height .4s var(--ease);}
  .faq-a p{padding:0 0 28px; color:var(--ink-soft); font-size:14.5px; max-width:640px;}

  /* ===== Final CTA ===== */
  .final{padding:170px 0; text-align:center;}
  .final h2{font-size:clamp(34px,5vw,74px); max-width:900px; margin:20px auto 30px;}
  .final p{color:var(--ink-soft); font-size:16px; max-width:480px; margin:0 auto 42px;}
  .final-ctas{display:flex; gap:16px; justify-content:center; flex-wrap:wrap;}
  .final-form{max-width:640px; margin:60px auto 0; display:flex; flex-direction:column; gap:14px;}
  .form-row{display:grid; grid-template-columns:1fr 1fr; gap:14px;}
  input, select{background:var(--off); border:1px solid var(--line-strong); color:var(--ink); padding:15px 18px; font-family:'Inter',sans-serif; font-size:14px; border-radius:2px; outline:none; transition:border-color .25s;}
  input::placeholder{color:var(--ink-soft);}
  input:focus, select:focus{border-color:var(--copper);}
  @media (max-width:640px){.form-row{grid-template-columns:1fr;}}

  /* ===== Footer ===== */
  footer{border-top:1px solid var(--line-strong); padding:80px 0 30px;}
  .footer-top{display:grid; grid-template-columns:1.3fr 1fr 1fr 1fr; gap:50px; margin-bottom:60px;}
  .footer-brand p{color:var(--ink-soft); font-size:13.5px; margin-top:16px; max-width:280px;}
  .footer-col h4{font-size:11.5px; letter-spacing:0.12em; text-transform:uppercase; color:var(--metal); margin-bottom:20px; font-weight:700;}
  .footer-col a{display:block; font-size:13.5px; color:var(--ink-soft); margin-bottom:12px;}
  .footer-col a:hover{color:var(--ink);}
  .partners{display:flex; gap:40px; flex-wrap:wrap; padding:30px 0; border-top:1px solid var(--line); justify-content:center; opacity:0.75;}
  .footer-bottom{border-top:1px solid var(--line); padding-top:24px; display:flex; justify-content:space-between; font-size:12px; color:var(--ink-soft); flex-wrap:wrap; gap:12px;}

  /* ===== Floaters ===== */
  .floaters{position:fixed; right:26px; bottom:26px; z-index:95; display:flex; flex-direction:column; gap:12px;}
  .fab{width:52px; height:52px; border-radius:50%; display:flex; align-items:center; justify-content:center; cursor:pointer; box-shadow:0 14px 30px -10px rgba(14,14,15,0.35); transition:transform .3s var(--ease);}
  .fab:hover{transform:scale(1.08);}
  .fab-wa{background:#25D366;}
  .fab-call{background:var(--ink);}
  .fab svg{width:23px; height:23px;}

  @media (max-width:960px){
    nav, .header-actions .btn-text{display:none;}
    .spec-row{grid-template-columns:1fr; }
    .spec{border-right:none; border-bottom:1px solid var(--line); padding-bottom:24px; margin-bottom:24px;}
    .case-row{grid-template-columns:1fr;}
    section{padding:90px 0;}
    .hero-num{display:none;}
  }
  @media (max-width:560px){
    .footer-top{grid-template-columns:1fr;}
    .footer-bottom{flex-direction:column;}
  }
  @media (prefers-reduced-motion: reduce){*{animation:none !important; transition:none !important;} .reveal{opacity:1; transform:none;}}