/* Fonts: self-hosted, Greek + Latin subsets */
@font-face{font-family:"Fira Sans";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/fira-sans-greek-400-normal.woff2) format("woff2");unicode-range:U+0370-03FF}
@font-face{font-family:"Fira Sans";font-style:normal;font-weight:400;font-display:swap;src:url(fonts/fira-sans-latin-400-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Fira Sans";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/fira-sans-greek-500-normal.woff2) format("woff2");unicode-range:U+0370-03FF}
@font-face{font-family:"Fira Sans";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/fira-sans-latin-500-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Fira Sans Extra Condensed";font-style:normal;font-weight:600;font-display:swap;src:url(fonts/fira-sans-extra-condensed-greek-600-normal.woff2) format("woff2");unicode-range:U+0370-03FF}
@font-face{font-family:"Fira Sans Extra Condensed";font-style:normal;font-weight:600;font-display:swap;src:url(fonts/fira-sans-extra-condensed-latin-600-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Fira Sans Extra Condensed";font-style:normal;font-weight:700;font-display:swap;src:url(fonts/fira-sans-extra-condensed-greek-700-normal.woff2) format("woff2");unicode-range:U+0370-03FF}
@font-face{font-family:"Fira Sans Extra Condensed";font-style:normal;font-weight:700;font-display:swap;src:url(fonts/fira-sans-extra-condensed-latin-700-normal.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+2000-206F,U+2074,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}

/* Tokens: RAL 7035 panel grey, RAL 7016 anthracite, dark-blue control wiring, signal lamps */
:root{
  --ink:#383E42;
  --ink-2:#596065;
  --panel:#E5E6E2;
  --panel-2:#F6F6F3;
  --line:#C6C8C2;
  --blue:#1E3F8A;
  --blue-2:#2A55B5;
  --green:#2E8540;
  --amber:#D9941A;
  --red:#B3261E;
  --sand-0:#D9C08E;--sand-1:#C4A46E;--sand-2:#A7937A;--sand-3:#8C877E;
  --cement:#9EA3A6;--water:#4F86C6;--concrete:#8B8F92;
  --steel-2:#8A9094;--steel-3:#5E666B;
  --cond:"Fira Sans Extra Condensed","Arial Narrow",sans-serif;
  --sans:"Fira Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --wrap:1200px;
  --gut:clamp(16px,4vw,40px);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--panel);color:var(--ink);font:400 1.0625rem/1.6 var(--sans);font-kerning:normal;text-rendering:optimizeLegibility}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue)}
a:hover{color:var(--blue-2)}
:focus-visible{outline:3px solid var(--amber);outline-offset:2px;border-radius:2px}
h1,h2,h3{font-family:var(--cond);font-weight:600;line-height:1.08;margin:0;letter-spacing:.005em}
h2{font-size:clamp(2rem,3.6vw,2.75rem)}
h3{font-size:1.375rem}
p{margin:0}
.skip{position:absolute;left:-9999px;top:8px;background:var(--ink);color:#fff;padding:8px 12px;z-index:50}
.skip:focus{left:8px}

/* Header */
.top{position:sticky;top:0;z-index:20;background:var(--ink);color:#fff}
.top__inner{max-width:var(--wrap);margin:0 auto;padding:10px var(--gut);display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;color:#fff;line-height:1.1;margin-right:auto}
.brand__mark{width:30px;height:30px;color:#E5E6E2;flex:0 0 auto}
.brand__text{display:flex;flex-direction:column}
.brand:hover{color:#fff}
.brand__name{font-family:var(--cond);font-weight:700;font-size:1.5rem;letter-spacing:.01em}
.brand__role{font-size:.8125rem;color:#C9CDD0}
.nav__list{list-style:none;margin:0;padding:0;display:flex;gap:22px;align-items:center}
.nav__list a{color:#E4E6E8;text-decoration:none;font-size:.9375rem}
.nav__list a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.nav__lang{border:1px solid #7C8388;border-radius:3px;padding:1px 7px}
.top__call{background:var(--green);color:#fff;text-decoration:none;font-weight:500;padding:8px 14px;border-radius:4px;white-space:nowrap;font-variant-numeric:tabular-nums}
.top__call:hover{background:#26703A;color:#fff}
.top__call-label{font-weight:400;opacity:.85}
.nav__toggle{display:none;background:none;border:1px solid #7C8388;color:#fff;font:inherit;font-size:.9375rem;padding:6px 12px;border-radius:4px;cursor:pointer}

@media (max-width:900px){
  .top__inner{flex-wrap:wrap;gap:10px 12px}
  .nav__toggle{display:block;order:2}
  .top__call{order:1}
  .top__call-label{display:none}
  .nav{order:3;flex-basis:100%}
  .nav__list{display:none;flex-direction:column;align-items:flex-start;gap:0;padding:4px 0 8px}
  .nav__list.is-open{display:flex}
  .nav__list li{width:100%}
  .nav__list a{display:block;padding:10px 0;font-size:1rem}
  .nav__lang{display:inline-block!important;padding:2px 8px!important;margin-top:6px}
  .brand__name{font-size:1.3rem}
}


/* Shared section rhythm */
main > section{max-width:var(--wrap);margin:0 auto;padding:clamp(64px,8vw,112px) var(--gut) 0}
.section-head{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,6fr);gap:16px 48px;align-items:end;margin-bottom:40px}
.section-head p{color:var(--ink-2);max-width:56ch}
@media (max-width:760px){.section-head{grid-template-columns:1fr;margin-bottom:28px}}
h4{margin:0}

/* Hero: full-bleed aerial photo */
main > .hero{max-width:none;padding:0;position:relative;min-height:clamp(480px,68vh,680px);display:flex;align-items:center;color:#fff;background:var(--ink);overflow:hidden}
.hero__bg{position:absolute;inset:0}
.hero__bg img{width:100%;height:100%;object-fit:cover;object-position:55% 50%}
.hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(32,37,40,.9) 0%,rgba(32,37,40,.72) 36%,rgba(32,37,40,.18) 68%,rgba(32,37,40,0) 100%)}
.hero__inner{position:relative;z-index:1;width:100%;max-width:var(--wrap);margin:0 auto;padding:clamp(48px,8vw,96px) var(--gut)}
.hero__text{max-width:600px}
.hero__title{font-size:clamp(2.375rem,4.4vw,3.625rem);font-weight:600;line-height:1.04;letter-spacing:-.005em;text-wrap:balance}
.hero__lede{margin-top:20px;font-size:1.1875rem;line-height:1.55;color:#DDE1E3;max-width:44ch}
.hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.btn{display:inline-block;text-decoration:none;font-weight:500;padding:12px 20px;border-radius:4px;border:2px solid transparent;font-variant-numeric:tabular-nums}
.btn--primary{background:var(--blue);color:#fff}
.btn--primary:hover{background:var(--blue-2);color:#fff}
.btn--ghost{border-color:rgba(255,255,255,.75);color:#fff}
.btn--ghost:hover{background:#fff;color:var(--ink)}
@media (max-width:700px){.hero::after{background:linear-gradient(180deg,rgba(32,37,40,.45) 0%,rgba(32,37,40,.85) 55%,rgba(32,37,40,.95) 100%)}main > .hero{align-items:flex-end;min-height:560px}}

/* Intro statement */
.intro{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:24px 56px;align-items:start}
.intro__h{font-size:clamp(1.75rem,3vw,2.375rem);text-wrap:balance}
.intro__text{font-size:clamp(1.1875rem,1.6vw,1.375rem);line-height:1.55;max-width:58ch}
.facts{grid-column:2;margin:8px 0 0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px 32px}
.facts__item{border-top:2px solid var(--ink);padding-top:12px}
.facts dt{font-family:var(--cond);font-weight:700;font-size:1.75rem;line-height:1.05}
.facts dd{margin:4px 0 0;font-size:.9375rem;line-height:1.4;color:var(--ink-2)}
@media (max-width:860px){.intro{grid-template-columns:1fr}.facts{grid-column:1}}
@media (max-width:520px){.facts{grid-template-columns:1fr}}

/* Solutions */
.solutions__h{font-size:clamp(2rem,3.6vw,2.75rem);margin-bottom:8px}
.group{display:grid;grid-template-columns:minmax(0,3fr) minmax(0,9fr);gap:28px 48px;padding:48px 0;border-bottom:1px solid var(--line)}
.group:last-child{border-bottom:0}
.group__head{align-self:start;position:sticky;top:96px}
.group__label{font-family:var(--cond);font-weight:600;font-size:1.0625rem;color:var(--blue)}
.group__title{font-size:1.625rem;margin-top:2px}
.group__sub{margin-top:8px;color:var(--ink-2);font-size:.9375rem;line-height:1.5}
.tiles{list-style:none;margin:0;padding:0;display:grid;gap:24px}
.tiles--2{grid-template-columns:repeat(2,minmax(0,1fr))}
.tiles--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.tiles--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.tile__img{margin:0;overflow:hidden;border-radius:4px;background:var(--line)}
.tile__img img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .35s ease}
.tile__name{font-family:var(--cond);font-weight:600;font-size:1.25rem;line-height:1.15;margin-top:12px}
.tile__desc{margin-top:4px;font-size:.9375rem;line-height:1.5;color:var(--ink-2)}
.tile--link a{display:block;color:inherit;text-decoration:none}
.tile--link a:hover .tile__img img{transform:scale(1.03)}
.tile__more{display:inline-block;margin-top:8px;color:var(--blue);font-weight:500;font-size:.9375rem;border-bottom:1px solid currentColor}
.group > .diff{grid-column:2}
@media (max-width:1000px){.tiles--4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:860px){.group{grid-template-columns:1fr;padding:36px 0}.group__head{position:static}.group > .diff{grid-column:1}.tiles--3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.tiles--2,.tiles--3,.tiles--4{grid-template-columns:1fr}}

/* "What makes the difference" */
.diff{margin-top:4px;background:var(--panel-2);border:1px solid var(--line);padding:20px 24px}
.diff__h{font:500 .875rem/1.3 var(--sans);color:var(--ink-2)}
.diff__grid{margin:12px 0 0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px 24px}
.diff__item dt{font-family:var(--cond);font-weight:600;font-size:1.125rem;line-height:1.2}
.diff__item dt::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--green);margin-right:8px;vertical-align:middle;position:relative;top:-1px}
.diff__item dd{margin:4px 0 0;font-size:.875rem;line-height:1.45;color:var(--ink-2)}
.diff--dark{background:#30363A;border-color:#4A5156}
.diff--dark .diff__h{color:#AEB4B8}
.diff--dark .diff__item dt{color:#fff}
.diff--dark .diff__item dd{color:#C9CDD0}
@media (max-width:1000px){.diff__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:420px){.diff__grid{grid-template-columns:1fr}}

/* Applications table */
.apps__table{width:100%;border-collapse:collapse;background:var(--panel-2);border:1px solid var(--line)}
.apps__table th,.apps__table td{text-align:left;vertical-align:top;padding:16px 20px;border-bottom:1px solid var(--line)}
.apps__table thead th{font:500 .875rem/1.3 var(--sans);color:var(--ink-2);background:#ECEDEA}
.apps__table tbody th{font-family:var(--cond);font-weight:600;font-size:1.25rem;line-height:1.2;width:30%}
.apps__table tbody td{color:var(--ink-2)}
.apps__table tr:last-child > *{border-bottom:0}
@media (max-width:640px){
  .apps__table thead{display:none}
  .apps__table tr{display:block;border-bottom:1px solid var(--line);padding:14px 16px}
  .apps__table tr:last-child{border-bottom:0}
  .apps__table th,.apps__table td,.apps__table tbody th{display:block;padding:0;border:0;width:auto}
  .apps__table tbody td{margin-top:4px}
}

/* Products (dark band) */
main > .products{max-width:none;background:var(--ink);color:#E8EAEB;margin-top:clamp(64px,8vw,112px);padding-bottom:clamp(56px,8vw,96px)}
.products > *{max-width:calc(var(--wrap) - 2 * var(--gut));margin-left:auto;margin-right:auto}
.section-head--light p{color:#BFC4C7}
.product{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:28px 48px;align-items:start;padding-top:40px;border-top:1px solid #5A6166}
.product + .product{margin-top:56px}
.product--batchlink{grid-template-columns:minmax(0,7fr) minmax(0,5fr)}
.product--batchlink .product__text{order:2}
.product > .diff{grid-column:1 / -1;order:3}
.product__name{font-size:2.25rem;color:#fff}
.product__tag{margin-top:4px;color:#F0B44A;font-weight:500}
.product__lead{margin-top:16px;max-width:52ch}
.product__media{margin:0}
.product__photo{width:100%;border-radius:4px;aspect-ratio:4/3;object-fit:cover}
.specs{margin:24px 0 0;display:grid;grid-template-columns:1fr 1fr;border-top:1px solid #5A6166}
.specs__row{padding:10px 0;border-bottom:1px solid #4A5156}
.specs__row:nth-child(odd){padding-right:16px}
.specs dt{font-size:.8125rem;color:#AEB4B8}
.specs dd{margin:2px 0 0;color:#fff;font-weight:500}
@media (max-width:860px){.product,.product--batchlink{grid-template-columns:1fr}.product--batchlink .product__text{order:0}}
@media (max-width:420px){.specs{grid-template-columns:1fr}.specs__row:nth-child(odd){padding-right:0}}

/* Recent work */
.work__h{font-size:clamp(1.75rem,3vw,2.25rem);margin-bottom:24px}
.work__grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.work__item{margin:0}
.work__item img{width:100%;aspect-ratio:3/4;object-fit:cover;border-radius:4px;background:var(--line)}
.work__item figcaption{margin-top:8px;font-size:.875rem;line-height:1.4;color:var(--ink-2)}
@media (max-width:860px){.work__grid{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* Steps: a real sequence, so numbered */
.steps__list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px 40px;counter-reset:step}
.step{counter-increment:step;position:relative;padding-left:52px}
.step::before{content:counter(step);position:absolute;left:0;top:-4px;width:36px;height:36px;border-radius:50%;border:2px solid var(--blue);color:var(--blue);font:700 1.25rem/32px var(--cond);text-align:center}
.step p{margin-top:6px;color:var(--ink-2)}
@media (max-width:860px){.steps__list{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:520px){.steps__list{grid-template-columns:1fr}}

/* Support */
.support__inner{display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:28px 48px;align-items:center;background:var(--panel-2);border:1px solid var(--line);border-left:6px solid var(--green);padding:clamp(24px,4vw,44px)}
.support__lead{margin-top:14px;color:var(--ink-2);max-width:48ch}
.support .diff{margin:0;background:transparent;border:0;padding:0}
.support .diff__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
@media (max-width:860px){.support__inner{grid-template-columns:1fr}}
@media (max-width:420px){.support .diff__grid{grid-template-columns:1fr}}

/* Contact */
main > .contact{padding-bottom:clamp(56px,8vw,96px)}
.contact{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,7fr);gap:40px}
.contact__head p{margin-top:12px;color:var(--ink-2);max-width:40ch}
.contact__body{background:var(--panel-2);border:1px solid var(--line);border-top:4px solid var(--blue);padding:28px clamp(18px,3vw,36px);display:grid;grid-template-columns:1fr 1fr;gap:28px}
.contact__label{display:block;font-size:.8125rem;color:var(--ink-2)}
.person__name{font:600 1.5rem/1.15 var(--cond);margin-top:6px}
.person__role{color:var(--ink-2);font-size:.9375rem}
.person__line{margin-top:16px}
.contact__big{font:700 clamp(1.9rem,3.4vw,2.5rem)/1.1 var(--cond);text-decoration:none;font-variant-numeric:tabular-nums;letter-spacing:.01em}
.contact__mid{font:600 1.5rem/1.1 var(--cond);text-decoration:none;font-variant-numeric:tabular-nums}
.contact__big:hover,.contact__mid:hover{text-decoration:underline;text-underline-offset:5px}
.contact__emails{list-style:none;margin:20px 0 0;padding:0}
.contact__emails li + li{margin-top:12px}
@media (max-width:860px){.contact{grid-template-columns:1fr;gap:20px}}
@media (max-width:560px){.contact__body{grid-template-columns:1fr}}

/* Footer */
.foot{background:var(--ink);color:#C9CDD0;font-size:.9375rem}
.foot__inner{max-width:var(--wrap);margin:0 auto;padding:40px var(--gut) 24px;display:grid;grid-template-columns:2fr 1fr 1fr;gap:24px 40px}
.foot__name{font:600 1.375rem/1.2 var(--cond);color:#fff;margin-bottom:6px}
.foot__links{list-style:none;margin:0;padding:0;display:grid;gap:8px;align-content:start}
.foot a{color:#E4E6E8;text-decoration:none}
.foot a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px}
.foot__copy{max-width:var(--wrap);margin:0 auto;padding:16px var(--gut) 28px;border-top:1px solid #4A5156;font-size:.8125rem;color:#9AA1A5}
@media (max-width:760px){.foot__inner{grid-template-columns:1fr 1fr}.foot__id{grid-column:1 / -1}}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  .tile__img img{transition:none}
}
@media print{.top,.nav__toggle{display:none}body{background:#fff}}