/* ProVisionWorks – drawing-sheet design system */
:root{
  --ink:#15115A;          /* logo indigo: text, frames, dark bands */
  --ink-2:#2A2575;
  --paper:#F1F3F7;        /* cool drawing paper */
  --sheet:#FFFFFF;
  --line:#CBD1DD;
  --line-strong:#9AA2B8;
  --blue:#3450E8;         /* logo blue: links, actions */
  --blue-dark:#2238C4;
  --cyan:#38C6F4;         /* logo cyan: highlights on ink */
  --muted:#565C75;
  --ok:#1C7C4A;
  --err:#B42318;

  --wide:"wdth" 125;
  --narrow:"wdth" 75;
  --maxw:1240px;
  --gutter:clamp(20px,4vw,48px);
  --radius:2px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:"Archivo",system-ui,sans-serif;font-size:17px;line-height:1.6;
  font-variation-settings:"wdth" 100;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{color:var(--blue-dark)}
:focus-visible{outline:2px solid var(--blue);outline-offset:3px}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:8px 14px;z-index:100}
.skip:focus{left:8px}
.wrap{max-width:var(--maxw);margin:0 auto;padding:0 var(--gutter)}

/* ---------- type ---------- */
h1,h2,h3{font-variation-settings:var(--wide);font-weight:600;letter-spacing:-.01em;line-height:1.08;margin:0;overflow-wrap:break-word;hyphens:auto}
@media (max-width:480px){h1{font-size:1.85rem}h2{font-size:1.5rem}}
h1{font-size:clamp(2.1rem,4.6vw,3.9rem)}
h2{font-size:clamp(1.65rem,3vw,2.5rem)}
h3{font-size:1.25rem;line-height:1.2}
p{margin:0 0 1em;max-width:66ch}
.lead{font-size:1.15rem;color:var(--muted);max-width:56ch}
.tech{font-variation-settings:var(--narrow);font-size:.86rem;letter-spacing:.01em;color:var(--muted)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:.6em;
  padding:.85em 1.4em;border:1.5px solid var(--ink);border-radius:var(--radius);
  font:inherit;font-weight:600;font-size:.98rem;text-decoration:none;cursor:pointer;
  background:var(--ink);color:#fff;transition:background .15s,color .15s,border-color .15s;
}
.btn:hover{background:var(--blue);border-color:var(--blue);color:#fff}
.btn.ghost{background:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--ink);color:#fff}
.btn.light{background:#fff;color:var(--ink);border-color:#fff}
.btn.light:hover{background:var(--cyan);border-color:var(--cyan);color:var(--ink)}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:50;background:rgba(241,243,247,.94);backdrop-filter:saturate(1.2) blur(8px);border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px}
.brand img{height:46px;width:auto}
.nav{display:flex;align-items:center;gap:6px}
.nav > a,.nav .dd > button{
  font:inherit;font-size:.97rem;font-weight:500;color:var(--ink);text-decoration:none;
  padding:10px 12px;background:none;border:0;cursor:pointer;border-radius:var(--radius);
}
.nav > a:hover,.nav .dd > button:hover{color:var(--blue)}
.nav a[aria-current="page"]{box-shadow:inset 0 -2px 0 var(--blue)}
.dd{position:relative}
.dd > button::after{content:"";display:inline-block;width:6px;height:6px;margin-left:8px;border-right:1.5px solid currentColor;border-bottom:1.5px solid currentColor;transform:translateY(-3px) rotate(45deg)}
.dd-panel{
  position:absolute;left:-12px;top:100%;min-width:560px;padding:20px;display:none;
  grid-template-columns:1fr 1fr;gap:4px 28px;background:var(--sheet);border:1px solid var(--ink);
}
.dd.open .dd-panel{display:grid}
.dd-panel .grp{font-variation-settings:var(--narrow);color:var(--muted);font-size:.84rem;margin:2px 0 6px}
.dd-panel a{display:block;padding:6px 0;color:var(--ink);text-decoration:none;font-size:.95rem}
.dd-panel a:hover{color:var(--blue)}
.lang{display:flex;border:1px solid var(--ink);border-radius:var(--radius);margin-left:12px}
.lang a{padding:5px 10px;font-size:.82rem;font-weight:600;color:var(--ink);text-decoration:none;font-variation-settings:"wdth" 110}
.lang a + a{border-left:1px solid var(--ink)}
.lang a[aria-current="true"]{background:var(--ink);color:#fff}
.lang a:hover:not([aria-current="true"]){background:#E3E7F0}
.menu-btn{display:none}

@media (max-width:980px){
  .menu-btn{display:inline-flex;align-items:center;gap:8px;font:inherit;font-weight:600;background:none;border:1.5px solid var(--ink);padding:8px 14px;color:var(--ink);border-radius:var(--radius);cursor:pointer}
  .nav{position:fixed;inset:76px 0 0 0;background:var(--paper);flex-direction:column;align-items:stretch;padding:16px var(--gutter) 40px;gap:0;overflow:auto;display:none}
  .nav.open{display:flex}
  .nav > a,.nav .dd > button{padding:16px 0;border-bottom:1px solid var(--line);text-align:left;width:100%;font-size:1.15rem}
  .dd-panel{position:static;min-width:0;border:0;padding:8px 0 12px 12px;grid-template-columns:1fr;background:none}
  .lang{align-self:flex-start;margin:24px 0 0}
  .lang a{padding:8px 16px;font-size:.95rem}
}

/* ---------- drawing sheet (hero) ---------- */
.hero{padding:36px 0 64px}
.sheet{position:relative;padding:22px;border:1.5px solid var(--ink);background:var(--sheet)}
.zones{position:absolute;display:flex;font-variation-settings:var(--narrow);font-size:.72rem;color:var(--ink);pointer-events:none}
.zones span{flex:1;display:flex;align-items:center;justify-content:center}
.zones span + span{border-left:1px solid var(--ink)}
.z-top,.z-bot{left:22px;right:22px;height:22px}
.z-top{top:0}.z-bot{bottom:0}
.z-left,.z-right{top:22px;bottom:22px;width:22px;flex-direction:column}
.z-left{left:0}.z-right{right:0}
.z-left span + span,.z-right span + span{border-left:0;border-top:1px solid var(--ink)}
.sheet-inner{position:relative;border:1px solid var(--ink);display:grid;grid-template-columns:1.15fr .85fr;min-height:560px}
.sheet-copy{padding:clamp(28px,5vw,64px);display:flex;flex-direction:column;justify-content:center;gap:28px}
.sheet-copy h1{max-width:15ch}
.sheet-actions{display:flex;flex-wrap:wrap;gap:12px}
.sheet-detail{border-left:1px solid var(--ink);display:grid;grid-template-rows:1fr auto}
.detail-view{position:relative;padding:28px;display:flex;align-items:center;justify-content:center;background:
  linear-gradient(var(--line) 1px,transparent 1px) 0 0/24px 24px,
  linear-gradient(90deg,var(--line) 1px,transparent 1px) 0 0/24px 24px;background-color:#fbfcfe}
.detail-view figure{margin:0;position:relative}
.detail-view img{max-height:330px;width:auto;mix-blend-mode:multiply}
.detail-view figcaption{margin-top:14px;text-align:center}
.detail-mark{position:absolute;top:18px;left:18px;width:34px;height:34px;border:1.5px solid var(--ink);border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:.9rem;background:#fff}
/* title block */
.titleblock{display:grid;grid-template-columns:repeat(4,1fr);border-top:1px solid var(--ink);font-size:.9rem}
.titleblock div{padding:9px 12px;border-left:1px solid var(--ink);border-top:1px solid var(--ink);min-width:0}
.titleblock div:nth-child(4n+1){border-left:0}
.titleblock div:nth-child(-n+4){border-top:0}
.titleblock dt{font-variation-settings:var(--narrow);color:var(--muted);font-size:.74rem;line-height:1.2}
.titleblock dd{margin:2px 0 0;font-weight:600;line-height:1.3;overflow-wrap:anywhere}
.titleblock .span2{grid-column:span 2}
.titleblock .span4{grid-column:span 4}
.titleblock .logo-cell{display:flex;align-items:center}
.titleblock .logo-cell img{height:30px;width:auto}

/* load sequence: frame lines draw, then content appears */
@media (prefers-reduced-motion:no-preference){
  .sheet{animation:fadeIn .4s ease-out both}
  .sheet-inner::before,.sheet-inner::after{content:"";position:absolute;background:var(--blue);z-index:2;pointer-events:none}
  .sheet-inner::before{left:0;top:-1px;height:2px;width:100%;transform-origin:left;animation:drawX 1.1s cubic-bezier(.6,0,.2,1) .15s both}
  .sheet-inner::after{right:-1px;top:0;width:2px;height:100%;transform-origin:top;animation:drawY .9s cubic-bezier(.6,0,.2,1) 1.05s both}
  .sheet-copy > *{animation:rise .6s ease-out both}
  .sheet-copy > :nth-child(1){animation-delay:.35s}
  .sheet-copy > :nth-child(2){animation-delay:.5s}
  .sheet-copy > :nth-child(3){animation-delay:.65s}
  .detail-view figure{animation:fadeIn .8s ease-out .8s both}
}
@keyframes drawX{from{transform:scaleX(0);opacity:1}80%{opacity:1}to{transform:scaleX(1);opacity:0}}
@keyframes drawY{from{transform:scaleY(0);opacity:1}80%{opacity:1}to{transform:scaleY(1);opacity:0}}
@keyframes rise{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
@keyframes fadeIn{from{opacity:0}to{opacity:1}}

@media (max-width:900px){
  .sheet{padding:14px}
  .zones{display:none}
  .sheet-inner{grid-template-columns:1fr;min-height:0}
  .sheet-detail{border-left:0;border-top:1px solid var(--ink)}
  .detail-view img{max-height:240px}
  .titleblock{grid-template-columns:1fr 1fr}
  .titleblock div{border-left:1px solid var(--ink)!important;border-top:1px solid var(--ink)!important}
  .titleblock div:nth-child(odd){border-left:0!important}
  .titleblock div:first-child,.titleblock div:nth-child(2){border-top:0!important}
  .titleblock .span2,.titleblock .span4{grid-column:span 2;border-left:0!important}
}

/* ---------- sections ---------- */
.section{padding:clamp(56px,8vw,104px) 0}
.section-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:24px 48px;align-items:end;margin-bottom:44px}
.section-head p{margin:0;color:var(--muted)}
@media (max-width:760px){.section-head{grid-template-columns:1fr}}

/* service list: rows like a parts list */
.svc-group{display:grid;grid-template-columns:220px 1fr;gap:0 40px;border-top:1.5px solid var(--ink)}
.svc-group + .svc-group{margin-top:48px}
.svc-group > h3{padding-top:18px;font-variation-settings:var(--narrow);font-weight:600;font-size:1rem;color:var(--muted);letter-spacing:.01em}
.svc-row{display:grid;grid-template-columns:150px 1fr auto;gap:28px;align-items:center;padding:22px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink)}
.svc-row:hover h4{color:var(--blue)}
.svc-row:hover .thumb img{transform:scale(1.04)}
.svc-row .thumb{aspect-ratio:4/3;overflow:hidden;border:1px solid var(--line);background:#fff}
.svc-row .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.svc-row h4{margin:0 0 6px;font-variation-settings:"wdth" 112;font-weight:600;font-size:1.3rem;line-height:1.2;transition:color .15s}
.svc-row p{margin:0;color:var(--muted);font-size:.98rem}
.svc-row .more{font-weight:600;color:var(--blue);white-space:nowrap;font-size:.95rem}
@media (max-width:860px){
  .svc-group{grid-template-columns:1fr}
  .svc-row{grid-template-columns:96px 1fr;gap:18px}
  .svc-row .more{display:none}
}

/* projects */
.gallery{display:grid;grid-template-columns:repeat(6,1fr);gap:16px}
.gallery figure{margin:0;background:var(--sheet);border:1px solid var(--line);display:flex;flex-direction:column}
.gallery .img{flex:1;display:flex;align-items:center;justify-content:center;padding:16px;min-height:220px}
.gallery img{max-height:300px;width:auto;object-fit:contain}
.gallery figcaption{padding:10px 14px;border-top:1px solid var(--line)}
.gallery figure:nth-child(1),.gallery figure:nth-child(2){grid-column:span 3}
.gallery figure:nth-child(n+3){grid-column:span 2}
@media (max-width:760px){.gallery{grid-template-columns:1fr 1fr}.gallery figure{grid-column:auto!important}.gallery .img{min-height:150px}}
@media (max-width:480px){.gallery{grid-template-columns:1fr}}
.section-foot{margin-top:28px}

/* ink band */
.band{background:var(--ink);color:#fff}
.band a{color:var(--cyan)}
.band .lead,.band p{color:#C9CCEA}
.band h2{color:#fff}
.about-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:56px;align-items:start}
.points{list-style:none;margin:0;padding:0;border-top:1px solid rgba(255,255,255,.25)}
.points li{padding:18px 0;border-bottom:1px solid rgba(255,255,255,.25);font-variation-settings:"wdth" 112;font-weight:500;font-size:1.15rem;display:flex;gap:16px;align-items:baseline}
.points li::before{content:"";flex:none;width:10px;height:10px;border:1.5px solid var(--cyan);transform:translateY(-1px) rotate(45deg)}
@media (max-width:860px){.about-grid{grid-template-columns:1fr;gap:32px}}

/* cta */
.cta{display:grid;grid-template-columns:1fr auto;gap:28px;align-items:center;padding:clamp(28px,4vw,48px);border:1.5px solid var(--ink);background:var(--sheet)}
.cta p{margin:8px 0 0;color:var(--muted)}
@media (max-width:760px){.cta{grid-template-columns:1fr}}

/* ---------- inner pages ---------- */
.page-head{padding:56px 0 40px;border-bottom:1px solid var(--line)}
.crumbs{display:flex;flex-wrap:wrap;gap:6px 10px;margin-bottom:20px;font-variation-settings:var(--narrow);font-size:.9rem;color:var(--muted)}
.crumbs a{color:var(--muted);text-decoration:none}
.crumbs a:hover{color:var(--blue)}
.crumbs span[aria-hidden]{color:var(--line-strong)}
.page-head h1{max-width:22ch}
.page-head .lead{margin-top:18px}
.article{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:clamp(32px,5vw,72px);align-items:start}
.article .body p{font-size:1.08rem}
.article .body p:first-child{font-size:1.25rem;color:var(--ink);font-variation-settings:"wdth" 108;line-height:1.5}
.framed{margin:0;border:1.5px solid var(--ink);padding:10px;background:var(--sheet)}
.framed img{width:100%}
.framed figcaption{padding:10px 2px 0}
@media (max-width:860px){.article{grid-template-columns:1fr}}
.other{margin-top:clamp(56px,7vw,88px)}
.other h2{font-size:1.4rem;margin-bottom:18px}
.other ul{list-style:none;padding:0;margin:0;display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));border-top:1px solid var(--ink)}
.other li a{display:block;padding:14px 0;border-bottom:1px solid var(--line);text-decoration:none;color:var(--ink);font-weight:500;margin-right:24px}
.other li a:hover{color:var(--blue)}

/* contact */
.contact-grid{display:grid;grid-template-columns:.9fr 1.1fr;gap:clamp(32px,5vw,72px);align-items:start}
.facts{margin:0;display:grid;gap:0;border-top:1.5px solid var(--ink)}
.facts div{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:16px 0;border-bottom:1px solid var(--line)}
.facts dt{font-variation-settings:var(--narrow);color:var(--muted);font-size:.9rem;padding-top:2px}
.facts dd{margin:0;font-weight:500}
.facts small{display:block;color:var(--muted);font-weight:400}
form.enquiry{background:var(--sheet);border:1.5px solid var(--ink);padding:clamp(22px,3vw,36px);display:grid;gap:18px}
form.enquiry h2{font-size:1.5rem}
.field{display:grid;gap:6px}
.field label{font-weight:600;font-size:.92rem}
.field input,.field textarea{font:inherit;font-size:1rem;color:var(--ink);background:#fff;border:1px solid var(--line-strong);border-radius:var(--radius);padding:12px 14px;width:100%}
.field input:focus,.field textarea:focus{outline:2px solid var(--blue);outline-offset:0;border-color:var(--blue)}
.field textarea{min-height:150px;resize:vertical}
.hp{position:absolute;left:-5000px;width:1px;height:1px;overflow:hidden}
.form-status{margin:0;padding:12px 14px;border-left:3px solid;display:none}
.form-status.ok{display:block;border-color:var(--ok);color:var(--ok);background:#EAF6EF}
.form-status.err{display:block;border-color:var(--err);color:var(--err);background:#FDEDEC}
@media (max-width:860px){.contact-grid{grid-template-columns:1fr}.facts div{grid-template-columns:100px 1fr}}
.map{margin-top:clamp(48px,6vw,80px)}
.map h2{font-size:1.4rem;margin-bottom:16px}
.map-box{border:1.5px solid var(--ink);background:#fbfcfe;aspect-ratio:16/7;display:grid;place-items:center;text-align:center;padding:24px;
  background-image:linear-gradient(var(--line) 1px,transparent 1px),linear-gradient(90deg,var(--line) 1px,transparent 1px);background-size:32px 32px}
.map-box p{margin:0 auto 16px;max-width:52ch;background:#fbfcfe;padding:4px 8px}
.map-box iframe{width:100%;height:100%;border:0}
.map-box.loaded{padding:0;background:none}
@media (max-width:760px){.map-box{aspect-ratio:4/5}}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#C9CCEA;padding:64px 0 28px;font-size:.95rem}
.site-footer a{color:#fff;text-decoration:none}
.site-footer a:hover{color:var(--cyan)}
.f-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:40px}
.f-grid h2{font-size:.95rem;font-variation-settings:var(--narrow);font-weight:600;color:#9EA2D0;margin:0 0 12px;letter-spacing:.01em}
.f-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
.f-logo{height:44px;width:auto;filter:brightness(0) invert(1);margin-bottom:18px}
.f-bottom{margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.18);display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:.85rem;color:#9EA2D0}
@media (max-width:860px){.f-grid{grid-template-columns:1fr 1fr}}
@media (max-width:520px){.f-grid{grid-template-columns:1fr}}

/* ---------- language gate (root) ---------- */
.gate{min-height:100vh;display:grid;place-items:center;padding:24px}
.gate .sheet{max-width:560px;width:100%}
.gate .sheet-inner{display:block;min-height:0;padding:40px;text-align:center}
.gate .langs{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:24px}