/* --- self-hosted fonts (greek + latin subsets, woff2) --- */
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url(../assets/fonts/inter-greek-400-normal.woff2) format('woff2');unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}
@font-face{font-family:'Inter';font-style:normal;font-weight:400;font-display:swap;src:url(../assets/fonts/inter-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+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url(../assets/fonts/inter-greek-500-normal.woff2) format('woff2');unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}
@font-face{font-family:'Inter';font-style:normal;font-weight:500;font-display:swap;src:url(../assets/fonts/inter-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+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url(../assets/fonts/inter-greek-600-normal.woff2) format('woff2');unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}
@font-face{font-family:'Inter';font-style:normal;font-weight:600;font-display:swap;src:url(../assets/fonts/inter-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+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url(../assets/fonts/inter-greek-700-normal.woff2) format('woff2');unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}
@font-face{font-family:'Inter';font-style:normal;font-weight:700;font-display:swap;src:url(../assets/fonts/inter-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+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Roboto Condensed';font-style:normal;font-weight:700;font-display:swap;src:url(../assets/fonts/roboto-condensed-greek-700-normal.woff2) format('woff2');unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}
@font-face{font-family:'Roboto Condensed';font-style:normal;font-weight:700;font-display:swap;src:url(../assets/fonts/roboto-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+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:'Roboto Condensed';font-style:normal;font-weight:800;font-display:swap;src:url(../assets/fonts/roboto-condensed-greek-800-normal.woff2) format('woff2');unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}
@font-face{font-family:'Roboto Condensed';font-style:normal;font-weight:800;font-display:swap;src:url(../assets/fonts/roboto-condensed-latin-800-normal.woff2) format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
:root{
  --dark:#151a1f; --dark2:#1d232a; --dline:#2c343d;
  --bg:#fafbfc; --line:#e5e9ed; --txt:#1b242d; --muted:#5d6b78;
  --accent:#ffcc00; --accent-d:#e6b800;
}
*{margin:0;padding:0;box-sizing:border-box}
h1,h2,h3,.stat b,.btn,.tl b,.marquee .track{font-family:'Roboto Condensed',sans-serif}

[id]{scroll-margin-top:86px}
body{font-family:'Inter',system-ui,sans-serif;background:var(--bg);color:var(--txt);line-height:1.65}
#smooth-content{overflow-x:clip}
a{color:inherit;text-decoration:none}
.wrap{max-width:1160px;margin:0 auto;padding:0 24px}
/* header (fixed, dark) */
header{position:fixed;top:0;left:0;right:0;z-index:100;background:rgba(21,26,31,.9);backdrop-filter:blur(10px);color:#fff;transition:box-shadow .3s}
header.scrolled{box-shadow:0 10px 30px rgba(0,0,0,.35)}
.nav{display:flex;align-items:center;justify-content:space-between;height:72px}
.logo{display:inline-flex;flex-direction:column;align-items:center;gap:5px;line-height:1}
.logo img{height:30px;width:auto;display:block}
.logo small{font-family:'Roboto Condensed',sans-serif;font-weight:700;font-size:9.5px;letter-spacing:3.2px;color:#8b97a3;text-align:center;text-indent:3.2px}
nav ul{display:flex;gap:32px;list-style:none;font-size:14px;font-weight:600}
nav a{color:#b9c2cb;transition:.2s}
nav a:hover,nav a.on{color:var(--accent)}
.burger{display:none;background:none;border:0;color:#fff;font-size:26px;cursor:pointer}
/* hero (dark, two-column) */
.hero{padding:150px 0 130px;background:linear-gradient(155deg,#1d242b 0%,#12161b 80%);color:#fff;position:relative;overflow:hidden}
.hero-grid{position:absolute;inset:-10% 0;background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.03) 0 1px,transparent 1px 80px);pointer-events:none}
.hero-grid.on-light{background-image:repeating-linear-gradient(90deg,rgba(21,26,31,.05) 0 1px,transparent 1px 80px)}
.hero .wrap{position:relative;z-index:2;display:block}
.hero-copy{max-width:620px}
.badge{display:inline-block;background:rgba(255,204,0,.14);border:1px solid rgba(255,204,0,.35);color:#ffdb4d;font-size:13px;font-weight:700;padding:7px 16px;border-radius:100px;margin-bottom:22px;letter-spacing:.3px}
h1{font-size:clamp(36px,5.4vw,64px);line-height:1.08;font-weight:800;letter-spacing:.2px}
h1 em{font-style:normal;color:var(--accent)}
h1 .wm{display:inline-block;overflow:hidden;vertical-align:top;padding-bottom:.08em;margin-bottom:-.08em}
h1 .w{display:inline-block}
.hero p{margin:24px 0 34px;color:#a7b1bb;font-size:17px;max-width:50ch}
.btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{display:inline-block;padding:14px 32px;border-radius:6px;font-weight:700;font-size:15.5px;letter-spacing:.4px;transition:.2s}
.btn-a{background:var(--accent);color:#161719}
.btn-a:hover{background:var(--accent-d);transform:translateY(-2px)}
.hero .btn-b{border:1.5px solid #3a444e;color:#fff}
.hero .btn-b:hover{border-color:var(--accent);color:var(--accent)}
.btn-b{border:1.5px solid #cdd5dc;color:var(--txt)}
.btn-b:hover{border-color:var(--accent);color:var(--accent)}
.hero-3d{position:absolute;top:0;bottom:0;left:0;right:0;margin-inline:auto;max-width:1400px;padding-right:24px;z-index:1;pointer-events:none}
.hero-blueprint{position:absolute;top:50%;right:0;transform:translateY(-50%);width:min(44vw,600px)}
.hero-blueprint svg{width:100%;height:auto;display:block}
.bp-line path{stroke:#9fb0be;stroke-width:2;stroke-linecap:round}
.bp-thin path{stroke:#55606b;stroke-width:1.1}
.bp-thin .bp-dash{stroke-dasharray:7 5}
.bp-center{stroke:#7f8b96;stroke-width:1;stroke-dasharray:20 6 4 6;opacity:0}
.bp-dim path,.bp-dim line{stroke:#ffcc00;stroke-width:1.3;opacity:.95}
.bp-text text{font-family:'Roboto Condensed',sans-serif;font-size:17px;letter-spacing:1px;fill:#ffcc00;opacity:0}
/* stats overlap card */
.stats{position:relative;z-index:5;margin-top:-58px}
.stats .in{background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:0 18px 44px rgba(21,26,31,.12);display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:30px 18px;text-align:center;border-left:1px solid var(--line)}
.stat:first-child{border-left:0}
.stat b{display:block;font-size:30px;font-weight:800;color:var(--accent)}
.stat span{font-size:13px;color:var(--muted)}
/* marquee */
.marquee{padding:36px 0 0;overflow:hidden}
.marquee .track{display:flex;gap:56px;white-space:nowrap;width:max-content;font-size:clamp(26px,3.8vw,44px);font-weight:800;letter-spacing:1px;color:transparent;-webkit-text-stroke:1.2px #b7c2cc}
.marquee .track em{font-style:normal;color:var(--accent);-webkit-text-stroke:0}
/* sections */
section{padding:92px 0}
.services{padding-top:48px}
.sec-head{max-width:640px;margin-bottom:44px}
.sec-head.center{text-align:center;margin-left:auto;margin-right:auto}
.sec-head h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;line-height:1.15}
.sec-head p{color:var(--muted);margin-top:14px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.grid3{gap:0;border:1px solid var(--line);border-radius:16px;overflow:hidden;background:#fff}
.card{position:relative;background:#fff;padding:48px 36px 44px;border-left:1px solid var(--line);transition:background .3s}
.card:first-child{border-left:0}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg,#ffdb4d,var(--accent));transform:scaleX(0);transform-origin:left;transition:transform .4s ease}
.card:hover::before{transform:scaleX(1)}
.card:hover{background:#fcfaf8}
.card .num{position:absolute;top:30px;right:30px;font-family:'Roboto Condensed',sans-serif;font-weight:800;font-size:52px;line-height:1;color:#eef1f4;transition:color .3s}
.card:hover .num{color:#f5e6a8}
.card .ico{color:var(--accent);margin-bottom:26px}
.card .ico svg{width:64px;height:64px}
.card .ico svg *{stroke-width:0.8}
.card h3{font-size:19px;margin-bottom:12px;font-weight:700}
.card p{color:var(--muted);font-size:15px}
/* materials */
.mats{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.mat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.mat{border:1px solid var(--line);border-radius:12px;padding:28px 22px;text-align:center;background:var(--bg)}
.mat .chip{width:56px;height:56px;margin:0 auto 14px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:13px}
.c1{background:linear-gradient(145deg,#94a1ad,#66727e);color:#fff}
.c2{background:linear-gradient(145deg,#e3e8ed,#a7b3be);color:#40505e}
.c3{background:linear-gradient(145deg,#dcb26b,#ab8244);color:#fff}
.c4{background:linear-gradient(145deg,#d3dce3,#9aa8b4);color:#40505e}
.mat b{display:block;font-size:16.5px}
.mat span{font-size:13px;color:var(--muted)}
/* samples */
.samples .grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.ph{aspect-ratio:1;border-radius:12px;border:1px solid var(--line);position:relative;overflow:hidden;background:linear-gradient(145deg,#eef1f4,#dfe5ea);display:flex;align-items:center;justify-content:center}
.ph svg{width:42%;height:42%;color:#b4c0cb}
.samples .more{margin-top:36px;text-align:center}
/* about (light band) */
.about{background:#fff;border-top:1px solid var(--line);position:relative;overflow:hidden}
.about .wrap{position:relative;display:grid;grid-template-columns:1.1fr .9fr;gap:60px;align-items:center}
.about h2{font-size:clamp(24px,3vw,36px);font-weight:800;margin-bottom:18px}
.about p{color:var(--muted);margin-bottom:16px}
.tl{position:relative;padding-left:26px;display:flex;flex-direction:column;gap:26px}
.tl .tl-line{position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--accent);transform-origin:top}
.tl b{display:block;color:var(--accent);font-size:22px}
.tl span{color:var(--muted);font-size:14px}
/* contact (dark) */
.cta{text-align:center;background:linear-gradient(160deg,#1b2127 0%,#12161b 80%);color:#fff;position:relative;overflow:hidden}
.cta .glow{position:absolute;left:50%;top:-180px;width:760px;height:480px;transform:translateX(-50%);background:radial-gradient(closest-side,rgba(255,204,0,.28),transparent 70%);pointer-events:none}
.cta .wrap{position:relative}
.cta h2{font-size:clamp(24px,3.2vw,38px);font-weight:800;margin-bottom:12px}
.cta p{color:#a7b1bb;margin-bottom:32px}
.cta .info{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:48px;text-align:left}
.cta .ib{display:flex;gap:14px;align-items:flex-start;background:rgba(255,255,255,.045);border:1px solid var(--dline);border-radius:12px;padding:20px 22px;transition:.25s}
.cta .ib:hover{border-color:var(--accent);transform:translateY(-3px);background:rgba(255,204,0,.07)}
.cta .ib svg{width:22px;height:22px;color:var(--accent);flex-shrink:0;margin-top:3px}
.cta .ib small{display:block;font-size:11.5px;letter-spacing:1.5px;text-transform:uppercase;color:#8b97a3;margin-bottom:3px;font-weight:600}
.cta .ib b{font-size:15.5px;color:#fff;font-weight:600;line-height:1.35}
/* footer (light) */
footer{background:#fff;border-top:1px solid var(--line);color:var(--muted);font-size:14px}
.f-grid{display:grid;grid-template-columns:1.3fr 1fr 1.3fr;gap:44px;padding:56px 0 44px}
.f-brand{display:inline-flex;flex-direction:column;align-items:center;gap:5px;line-height:1;margin-bottom:14px}
.f-brand img{height:26px;width:auto;display:block}
.f-brand small{font-family:'Roboto Condensed',sans-serif;font-weight:700;font-size:9.5px;letter-spacing:3.2px;color:var(--muted);text-align:center;text-indent:3.2px}
.f-grid p{font-size:14px;max-width:34ch}
.f-grid h4{font-family:'Roboto Condensed',sans-serif;font-size:15px;letter-spacing:1.5px;text-transform:uppercase;color:var(--txt);margin-bottom:16px}
.f-grid ul{list-style:none;display:flex;flex-direction:column;gap:10px}
.f-grid a:hover{color:var(--accent)}
.f-c{display:flex;gap:10px;align-items:flex-start}
.f-c svg{width:17px;height:17px;color:var(--accent);flex-shrink:0;margin-top:3px}
.f-bot{border-top:1px solid var(--line);padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px}
.f-bot a:hover{color:var(--accent)}
@media(max-width:900px){
  .mat-row,.samples .grid{grid-template-columns:repeat(2,1fr)}
  .grid3{grid-template-columns:1fr}
  .card{border-left:0;border-top:1px solid var(--line)}
  .card:first-child{border-top:0}
  .about .wrap{grid-template-columns:1fr}
  .hero-3d{display:none}
  .stats .in{grid-template-columns:repeat(2,1fr)}
  .stat{border:0;border-top:1px solid var(--line)}
  .cta .info{grid-template-columns:1fr}
  .f-grid{grid-template-columns:1fr;gap:32px;padding:44px 0 36px}
}
@media(max-width:640px){
  nav ul{display:none;position:absolute;top:72px;left:0;right:0;background:var(--dark2);flex-direction:column;gap:0;padding:10px 24px 20px;border-bottom:1px solid var(--dline)}
  nav ul.open{display:flex}
  nav li{padding:12px 0;border-bottom:1px solid var(--dline)}
  .burger{display:block}
  /* υλικά: οριζόντιο slider με scroll-snap */
  .mat-row{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;margin:0 -24px;padding:2px 24px 10px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .mat-row::-webkit-scrollbar{display:none}
  .mat-row .mat{flex:0 0 78%;scroll-snap-align:center}
  /* δείγματα αρχικής: οριζόντιο slider με scroll-snap */
  .samples .grid{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:14px;margin:0 -24px;padding:2px 24px 10px;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .samples .grid::-webkit-scrollbar{display:none}
  .samples .grid .ph{flex:0 0 78%;scroll-snap-align:center}
  section{padding:60px 0}
  .hero{padding:120px 0 100px}
}
@media(prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
}
.kick{display:block;font-family:'Roboto Condensed',sans-serif;font-size:12.5px;letter-spacing:3.5px;color:var(--accent);font-weight:700;margin-bottom:12px;text-transform:uppercase}

/* --- υποσελίδες --- */
.page-hero{background:linear-gradient(155deg,#1d242b 0%,#12161b 80%);color:#fff;padding:158px 0 74px;position:relative;overflow:hidden}
.page-hero .wrap{position:relative;z-index:2}
.page-hero h1{font-size:clamp(32px,4.6vw,52px);line-height:1.1;font-weight:800;letter-spacing:.2px}
.page-hero h1 em{font-style:normal;color:var(--accent)}
.page-hero p{margin-top:16px;color:#a7b1bb;font-size:16.5px;max-width:56ch}
/* διαδικασία */
.proc{display:grid;grid-template-columns:repeat(5,1fr);gap:16px}
.step{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:26px 20px}
.step b{display:block;font-family:'Roboto Condensed',sans-serif;font-weight:800;font-size:30px;color:var(--accent);margin-bottom:10px}
.step h3{font-size:16px;font-weight:700;margin-bottom:8px}
.step p{color:var(--muted);font-size:13.5px;line-height:1.55}
/* λίστα προϊόντων */
.prod-list{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;max-width:820px;margin:0 auto}
.prod-list span{background:#fff;border:1px solid var(--line);border-radius:100px;padding:11px 22px;font-size:14.5px;font-weight:600;color:var(--txt)}
/* gallery + filters */
.filters{display:flex;gap:10px;flex-wrap:wrap;justify-content:center;margin-bottom:36px}
.fbtn{font-family:'Roboto Condensed',sans-serif;font-weight:700;font-size:14.5px;letter-spacing:.8px;padding:10px 22px;border-radius:100px;border:1.5px solid var(--line);background:#fff;color:var(--muted);cursor:pointer;transition:.2s}
.fbtn:hover{border-color:var(--accent);color:var(--accent)}
.fbtn.on{background:var(--dark);border-color:var(--dark);color:#fff}
.grid-g{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.grid-g .ph{margin:0}
.grid-g .ph.hide{display:none}
.grid-g figcaption{position:absolute;bottom:0;left:0;right:0;padding:10px 14px;font-size:12px;color:var(--muted);background:rgba(255,255,255,.88)}
.g-note{margin-top:32px;text-align:center;color:var(--muted);font-size:14px}
/* επικοινωνία */
.contact-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:60px;align-items:start}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-bottom:24px;position:relative}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
.field label{font-size:13.5px;font-weight:600;color:var(--txt)}
.field input,.field textarea{padding:13px 16px;border:1.5px solid var(--line);border-radius:8px;font:inherit;font-size:15px;background:#fff;color:var(--txt);transition:border-color .2s}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--accent)}
.field textarea{resize:vertical;min-height:130px}
#contact-form .btn{border:0;cursor:pointer}
.form-msg{margin-top:18px;font-size:14.5px;display:none;align-items:flex-start;gap:10px;padding:14px 18px;border-radius:10px;border:1px solid;line-height:1.5}
.form-msg::before{font-weight:800;font-family:'Roboto Condensed',sans-serif;flex-shrink:0}
.form-msg.ok{display:flex;background:#effaf2;border-color:#bfe6cb;color:#1d7a3d}
.form-msg.ok::before{content:"✓"}
.form-msg.err{display:flex;background:#fdf1ef;border-color:#f2cfc9;color:#c2372b}
.form-msg.err::before{content:"!"}
.c-list{list-style:none;display:flex;flex-direction:column;gap:0}
.c-list li{display:flex;flex-direction:column;gap:3px;padding:16px 0;border-bottom:1px solid var(--line);font-size:15px}
.c-list li:last-child{border-bottom:0}
.c-list b{font-family:'Roboto Condensed',sans-serif;font-size:13px;letter-spacing:1.5px;text-transform:uppercase;color:var(--muted);font-weight:700}
.c-list a{color:var(--txt);font-weight:600}
.c-list a:hover{color:var(--accent)}
.c-list span{color:var(--txt);font-weight:600}
.map{display:block;width:100%;height:420px;border:0}
@media(max-width:900px){
  .proc{grid-template-columns:repeat(2,1fr)}
  .grid-g{grid-template-columns:repeat(2,1fr)}
  .contact-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .proc{grid-template-columns:1fr}
  .grid-g{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .page-hero{padding:130px 0 56px}
}

/* form errors */
.field input.error,.field textarea.error{border-color:#c2372b;background:#fef7f6}
.field input.error:focus,.field textarea.error:focus{border-color:#c2372b}
.f-err{display:none;font-size:12.5px;color:#c2372b;font-weight:500}
.field.has-err .f-err{display:block}

/* gallery εικόνες + lightbox */
.ph{cursor:pointer}
.ph picture{position:absolute;inset:0;display:block}
.ph img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.ph:hover img{transform:scale(1.06)}
.lb{position:fixed;inset:0;z-index:300;background:rgba(13,16,19,.94);display:flex;align-items:center;justify-content:center;padding:24px}
.lb[hidden]{display:none}
.lb figure{margin:0;text-align:center;max-width:min(1100px,90vw)}
.lb img{max-width:100%;max-height:80vh;border-radius:10px;box-shadow:0 30px 80px rgba(0,0,0,.5)}
.lb figcaption{color:#8b97a3;margin-top:14px;font-family:'Roboto Condensed',sans-serif;font-size:14px;letter-spacing:2px}
.lb button{position:absolute;background:rgba(255,255,255,.07);border:1px solid #3a444e;color:#fff;width:48px;height:48px;border-radius:50%;font-size:24px;line-height:1;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:.2s}
.lb button:hover{border-color:var(--accent);color:var(--accent)}
.lb .lb-close{top:22px;right:22px}
.lb .lb-prev{left:22px;top:50%;transform:translateY(-50%)}
.lb .lb-next{right:22px;top:50%;transform:translateY(-50%)}
@media(max-width:640px){
  .lb button{width:40px;height:40px;font-size:20px}
  .lb .lb-prev{left:10px}.lb .lb-next{right:10px}
}

/* --- υλικά v2: high-tech element cards (μόνο αρχική) --- */
.mats-tech{padding:96px 0;background:linear-gradient(155deg,#1b2127 0%,#12161b 85%);color:#fff;position:relative;overflow:hidden}
/* ενιαίο pattern: χρησιμοποιείται το .hero-grid παντού */
.mats-tech .wrap{position:relative}
.mats-tech .sec-head h2{color:#fff}
.mats-tech .sec-head p{color:#a7b1bb}
.mats-tech .mat{position:relative;background:rgba(255,255,255,.025);border:1px solid #2c343d;border-radius:4px;
  padding:28px 24px 20px;text-align:left;transition:transform .3s,border-color .3s,background .3s}
.mats-tech .mat::before,.mats-tech .mat::after{content:"";position:absolute;width:15px;height:15px;transition:.3s}
.mats-tech .mat::before{top:-1px;left:-1px;border-top:2px solid var(--accent);border-left:2px solid var(--accent)}
.mats-tech .mat::after{bottom:-1px;right:-1px;border-bottom:2px solid var(--accent);border-right:2px solid var(--accent)}
.mats-tech .mat:hover{transform:translateY(-5px);border-color:rgba(255,204,0,.55);background:rgba(255,204,0,.06)}
.mats-tech .mat:hover::before,.mats-tech .mat:hover::after{width:26px;height:26px}
.el-idx{position:absolute;top:16px;right:18px;font-family:'Roboto Condensed',sans-serif;font-weight:700;font-size:12px;letter-spacing:2px;color:#5d6b78}
.el-sym{display:block;font-family:'Roboto Condensed',sans-serif;font-weight:800;font-size:46px;line-height:1;margin-bottom:10px;
  background:linear-gradient(180deg,#ffffff 30%,#8b97a3 100%);-webkit-background-clip:text;background-clip:text;color:transparent;transition:.3s}
.mats-tech .mat:hover .el-sym{background:linear-gradient(180deg,#ffdb4d 0%,#ffcc00 100%);-webkit-background-clip:text;background-clip:text}
.mats-tech .mat b{display:block;font-size:15.5px;font-weight:600;color:#e8eaec;margin-bottom:16px}
.el-specs{list-style:none;margin:0;padding:0;border-top:1px solid #2c343d}
.el-specs li{display:flex;justify-content:space-between;align-items:baseline;gap:12px;padding:9px 0;border-bottom:1px solid rgba(255,255,255,.055);font-size:12.5px}
.el-specs li:last-child{border-bottom:0}
.el-specs span{color:#7f8b96;text-transform:uppercase;letter-spacing:1.2px;font-size:10.5px;font-family:'Roboto Condensed',sans-serif;font-weight:700;white-space:nowrap}
.el-specs em{font-style:normal;color:#cfd6dc;font-weight:600;text-align:right}

/* --- "Τι κατασκευάζουμε" — συμπαγής 2-στηλη λίστα (company) --- */
.make-list{display:grid;grid-template-columns:1fr 1fr;column-gap:56px;max-width:960px;margin:0 auto;border-top:1px solid var(--line)}
.mk-row{position:relative;display:grid;grid-template-columns:34px 1fr;column-gap:16px;align-items:center;
  padding:14px 6px;border-bottom:1px solid var(--line);transition:background .25s,padding .25s}
.mk-row svg{width:30px;height:30px;color:#66727e;transition:color .25s;grid-row:1/3}
.mk-row b{font-family:'Roboto Condensed',sans-serif;font-weight:700;font-size:17.5px;line-height:1.2;letter-spacing:.3px;transition:color .25s}
.mk-row span{grid-column:2;color:var(--muted);font-size:12.5px;line-height:1.4}
.mk-row:hover{background:#fcfaf0;padding-left:14px}
.mk-row:hover svg,.mk-row:hover b{color:var(--accent)}
@media(max-width:760px){
  .make-list{grid-template-columns:1fr;column-gap:0}
}
}

/* --- κίτρινο accent: κανόνες κοντράστ (οριστικό) --- */
.kick{color:#a8860a}
.hero .kick,.cta .kick,.mats-tech .kick{color:#ffcc00}
.tl b{color:#a8860a}
.c-list a:hover{color:#a8860a}
footer a:hover,.f-grid a:hover{color:#a8860a}
.mk-row:hover svg,.mk-row:hover b{color:#a8860a}
.fbtn:hover{border-color:#caa300;color:#a8860a}
.el-specs em{color:#e6ebef}

/* --- hero intro χωρίς JS (LCP-friendly) --- */
@keyframes fadeUp{from{opacity:0;transform:translateY(22px)}to{opacity:1;transform:none}}
.hero-copy p{animation:fadeUp .7s cubic-bezier(.16,1,.3,1) .1s both}
.hero-copy .btns .btn{animation:fadeUp .6s cubic-bezier(.16,1,.3,1) both}
.hero-copy .btns .btn:nth-child(1){animation-delay:.22s}
.hero-copy .btns .btn:nth-child(2){animation-delay:.32s}
@media(prefers-reduced-motion:reduce){
  .hero-copy p,.hero-copy .btns .btn{animation:none}
}