@font-face{font-family:"Roboto";src:url("/assets/fonts/Roboto-greek.31c5962274.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap;unicode-range:U+0370-0377,U+037A-037F,U+0384-038A,U+038C,U+038E-03A1,U+03A3-03FF}
@font-face{font-family:"Roboto";src:url("/assets/fonts/Roboto-latin.20b535fa80.woff2") format("woff2");font-weight:100 900;font-style:normal;font-display:swap;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{
  /* χρώματα λογοτύπου GNS GROUP: --blue (GROUP) · --act για κουμπιά/κείμενο με αντίθεση ≥ 4,5:1 */
  --blue:#1E9BD7;--blue-l:#5BC0EB;--act:#0B6FA8;--act-d:#095A88;
  --navy:#0B1220;--navy-2:#121C2E;--navy-3:#1A2740;
  --ink:#152030;--muted:#526070;--line:#E1E7EE;
  --bg:#FFFFFF;--bg-alt:#F2F6FA;
  --r:12px;--wrap:1180px;--hdr:72px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
body{margin:0;font-family:"Roboto",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;font-size:17px;line-height:1.65;color:var(--ink);background:var(--bg)}
img{max-width:100%;height:auto;display:block}
a{color:var(--act)}
a:hover{color:var(--act-d)}
:focus-visible{outline:3px solid var(--blue);outline-offset:2px}
h1,h2,h3{line-height:1.2;margin:0 0 .5em;font-weight:800;letter-spacing:-.01em}
p{margin:0 0 1em}
[id]{scroll-margin-top:calc(var(--hdr) + 16px)}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 20px}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.skip{position:absolute;left:-9999px;top:0;background:#fff;color:var(--ink);padding:10px 14px;z-index:100}
.skip:focus{left:10px;top:10px}
.ic{width:1.1em;height:1.1em;flex:none}

/* header */
.hdr{background:rgba(11,18,32,.96);color:#fff;position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(255,255,255,.08);backdrop-filter:saturate(1.2) blur(8px)}
.hdr-in{display:flex;align-items:center;justify-content:space-between;min-height:var(--hdr);gap:20px}
.brand{display:flex;align-items:center;gap:12px;color:#fff;text-decoration:none}
.brand img{height:40px;width:auto}
.brand span{font-weight:800;letter-spacing:.12em;font-size:19px}
.brand b{color:var(--blue)}
.menu{display:flex;align-items:center;gap:2px}
.menu a{color:#E8EEF5;text-decoration:none;font-weight:600;font-size:15px;padding:10px 14px;border-radius:8px;white-space:nowrap}
.menu a:hover,.menu a[aria-current]{background:var(--navy-3);color:#fff}
.menu-btn{display:none;background:none;border:0;color:#fff;width:44px;height:44px;cursor:pointer;padding:0}
.bars,.bars::before,.bars::after{display:block;width:24px;height:2px;background:#fff;margin:0 auto;position:relative;content:""}
.bars::before{position:absolute;top:-7px}
.bars::after{position:absolute;top:7px}
@media(max-width:900px){
  :root{--hdr:60px}
  .brand img{height:38px}
  .menu-btn{display:block}
  .hdr-in{position:relative}
  .menu{display:none;position:absolute;left:0;right:0;top:100%;background:var(--navy);flex-direction:column;align-items:stretch;padding:8px 20px 18px;border-bottom:3px solid var(--blue)}
  .hdr.open .menu{display:flex}
  .menu a{padding:13px 8px}
}
html:not(.js) .menu-btn{display:none}
@media(max-width:900px){html:not(.js) .menu{display:flex;position:static;padding:0 0 12px;border:0}html:not(.js) .hdr-in{flex-wrap:wrap}}

/* buttons */
.btns{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--act);color:#fff;text-decoration:none;font-weight:700;padding:13px 22px;border-radius:999px;border:2px solid var(--act);cursor:pointer;font:inherit;font-weight:700;line-height:1.2}
.btn:hover{background:var(--act-d);border-color:var(--act-d);color:#fff}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:#fff}
.btn-ghost-d{background:transparent;border-color:var(--act);color:var(--act)}
.btn-ghost-d:hover{background:var(--act);color:#fff}
.btn-sm{padding:9px 16px;font-size:15px}
.lnk{font-weight:600;text-decoration:none;display:inline-flex;align-items:center;min-height:44px}
.lnk:hover{text-decoration:underline}

/* hero */
.hero{position:relative;color:#fff;background:var(--navy);overflow:hidden;isolation:isolate}
.hero picture{position:absolute;inset:0;z-index:-2}
.hero-bg{width:100%;height:100%;object-fit:cover;opacity:.45}
.hero::after{content:"";position:absolute;inset:0;z-index:-1;background:linear-gradient(180deg,rgba(11,18,32,.35) 0%,rgba(11,18,32,.75) 60%,var(--navy) 100%)}
.hero-in{padding:88px 20px 104px;text-align:center;display:flex;flex-direction:column;align-items:center}
.hero-logo{width:96px;margin-bottom:18px}
.eyebrow{color:var(--blue-l);font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-size:13px;margin-bottom:10px}
.eyebrow-d{color:var(--act);font-weight:700;letter-spacing:.1em;text-transform:uppercase;font-size:13px;margin-bottom:8px}
.hero h1{font-size:clamp(32px,4.6vw,54px);margin-bottom:.35em;max-width:900px}
.lead{font-size:20px;max-width:720px;color:#D4DDE8}
.hero .btns{justify-content:center;margin-top:14px}
@media(max-width:640px){.hero-in{padding:48px 20px 60px}.hero-logo{display:none}.lead{font-size:18px}.btns .btn{flex:1 1 100%}}

/* sections */
.sec{padding:84px 0}
.sec-alt{background:var(--bg-alt)}
.sec-dark{background:var(--navy);color:#E4EBF3}
.sec-dark .sec-title{color:#fff}
.sec-title{font-size:clamp(28px,3.4vw,38px)}
.sec-lead{color:var(--muted);max-width:720px;margin-bottom:28px}
.more{margin:28px 0 0;text-align:center}
@media(max-width:640px){.sec{padding:56px 0}}

/* εταιρείες */
.cos{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:28px}
.co{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:0 0 22px;display:flex;flex-direction:column;overflow:hidden;transition:transform .2s,box-shadow .2s}
.co:hover{transform:translateY(-3px);box-shadow:0 18px 40px rgba(11,18,32,.12)}
.co-logo{height:150px;display:flex;align-items:center;justify-content:center;padding:24px;margin-bottom:20px}
.co-logo-dark{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-3) 100%)}
.co-logo img{max-height:96px;width:auto;max-width:82%}
.co h3,.co p,.co .co-links{padding:0 24px}
.co h3{font-size:22px;margin-bottom:2px}
.co h3 a{color:var(--ink);text-decoration:none}
.co h3 a:hover{color:var(--act)}
.co-cat{color:var(--act);font-weight:700;font-size:13px;letter-spacing:.08em;text-transform:uppercase;margin-bottom:6px}
.co p.co-since{font-size:14.5px;color:var(--muted);margin-bottom:10px}
.co p{color:var(--muted)}
.co-links{margin-top:auto;display:flex;flex-direction:column;align-items:flex-start;gap:12px}
@media(max-width:960px){.cos{grid-template-columns:1fr;max-width:560px;margin-left:auto;margin-right:auto}}

/* split */
.split{display:grid;grid-template-columns:1.1fr .9fr;gap:48px;align-items:center}
.split-img{border-radius:var(--r);box-shadow:0 20px 50px rgba(0,0,0,.25);width:100%;aspect-ratio:16/9;object-fit:cover}
@media(max-width:900px){.split{grid-template-columns:1fr;gap:28px}}
.values{list-style:none;padding:0;margin:24px 0 28px;display:grid;grid-template-columns:1fr 1fr;gap:14px 24px}
.values li{border-left:3px solid var(--blue);padding:2px 0 2px 14px}
.values strong{display:block;color:#fff}
.values span{font-size:15px;color:#B9C6D6}
@media(max-width:560px){.values{grid-template-columns:1fr}}
.vgrid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:20px}
.vcard{background:#fff;border:1px solid var(--line);border-top:4px solid var(--blue);border-radius:var(--r);padding:24px}
.vcard p{color:var(--muted);margin:0}
@media(max-width:760px){.vgrid{grid-template-columns:1fr}}

/* σελίδες */
.page-hd{background:linear-gradient(135deg,var(--navy) 0%,var(--navy-3) 100%);color:#fff;padding:56px 0 52px}
.page-hd h1{font-size:clamp(32px,4.4vw,48px)}
.page-hd .lead{margin:0}
.crumbs{font-size:14px;color:#AFC0D3;margin-bottom:14px}
.crumbs a{color:#D6E3F0}
.co-hd{display:flex;align-items:center;justify-content:space-between;gap:30px}
.co-hd-logo{max-height:110px;width:auto;max-width:34%}
@media(max-width:700px){.co-hd{flex-direction:column-reverse;align-items:flex-start}.co-hd-logo{max-height:70px;max-width:60%}}
.prose h2{font-size:26px;margin-top:0}
.prose.narrow{max-width:780px}
.prose h2+p{margin-top:0}
.svc-box{background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r);padding:26px 28px}
.svc-box h2{font-size:20px}
.svc-list{list-style:none;padding:0;margin:0}
.svc-list li{border-bottom:1px solid var(--line)}
.svc-list li:last-child{border-bottom:0}
.svc-list a{display:flex;justify-content:space-between;align-items:center;padding:12px 2px;text-decoration:none;font-weight:600;color:var(--ink)}
.svc-list a::after{content:"→";color:var(--act)}
.svc-list a:hover{color:var(--act)}
.note,.muted{color:var(--muted);font-size:15px}
.cta{display:flex;align-items:center;justify-content:space-between;gap:28px}
.cta p{color:var(--muted);margin:0}
@media(max-width:760px){.cta{flex-direction:column;align-items:flex-start}}
.page-404{padding:110px 0}

/* GNS News */
.ngrid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.ncard a{display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--line);border-radius:var(--r);overflow:hidden;text-decoration:none;color:var(--ink);transition:transform .2s,box-shadow .2s}
.ncard a:hover{transform:translateY(-3px);box-shadow:0 14px 32px rgba(11,18,32,.12)}
.ncard img{aspect-ratio:1200/630;object-fit:cover;width:100%}
.ncard-b{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.ncat{font-size:12.5px;font-weight:700;color:var(--act);text-transform:uppercase;letter-spacing:.06em}
.ncard h3{font-size:18px;margin:6px 0 8px}
.ncard p{font-size:15px;color:var(--muted);margin-bottom:12px}
.ncard time{margin-top:auto;font-size:13.5px;color:var(--muted)}
.news-empty{color:var(--muted)}
@media(max-width:960px){.ngrid{grid-template-columns:1fr 1fr}}
@media(max-width:640px){.ngrid{grid-template-columns:1fr}}

/* επικοινωνία */
.contact p{display:flex;align-items:center;gap:12px;font-size:18px;margin-bottom:12px}
.contact h2{font-size:20px;margin-top:28px}
.ci{width:38px;height:38px;border-radius:50%;background:var(--bg-alt);display:inline-flex;align-items:center;justify-content:center;color:var(--act);font-weight:800;flex:none}
.map{min-height:320px;border-radius:var(--r);background:var(--bg-alt);border:1px solid var(--line);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:24px;text-align:center}
.map-addr{font-weight:700}
.map.map-on{padding:0;overflow:hidden}
.map iframe{width:100%;height:380px;border:0}

/* footer */
.ftr{background:var(--navy);color:#B9C6D6;padding:60px 0 0;font-size:15.5px}
.ftr a{color:#E4EBF3}
.ftr-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:40px}
.ftr-logo{width:130px;margin-bottom:14px}
.ftr-hd{color:#fff;font-size:15px;letter-spacing:.12em;text-transform:uppercase}
.ftr-list{list-style:none;padding:0;margin:0}
.ftr-list li{margin-bottom:8px}
.ftr-bar{border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding:18px 0}
.ftr-bar-in{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:14px}
@media(max-width:820px){.ftr-grid{grid-template-columns:1fr;gap:26px}}
.ci svg{width:18px;height:18px}

/* γιατί όμιλος */
.journey{list-style:none;padding:0;margin:28px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:j}
.journey li{background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:24px;position:relative}
.journey h3{font-size:19px;margin:10px 0 6px}
.journey p{color:var(--muted);font-size:15.5px}
.journey a{font-weight:700;text-decoration:none}
.j-n{display:inline-flex;width:34px;height:34px;border-radius:50%;background:var(--navy);color:#fff;align-items:center;justify-content:center;font-weight:800}
.proof{margin-top:28px;background:var(--navy);color:#D4DDE8;border-radius:var(--r);padding:28px 30px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.proof h3{color:#fff;font-size:22px}
.proof p{margin:0;max-width:680px}
.proof .eyebrow-d{color:var(--blue-l)}
.proof .btn-ghost-d{border-color:var(--blue-l);color:#fff;flex:none}
.proof .btn-ghost-d:hover{background:var(--blue-l);color:var(--navy)}
@media(max-width:900px){.journey{grid-template-columns:1fr}.proof{flex-direction:column;align-items:flex-start}}
/* σελίδες εταιρειών */
.member{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--blue-l);border:1px solid rgba(91,192,235,.45);border-radius:999px;padding:4px 12px;margin-bottom:12px}
.svc-plain li{padding:12px 2px;font-weight:600}
.co-mini{list-style:none;padding:0;margin:18px 0 0;display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.co-mini a{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);border-radius:var(--r);padding:18px 20px;text-decoration:none;color:var(--ink)}
.co-mini a:hover{border-color:var(--act)}
.co-mini span{color:var(--muted);font-size:14.5px}
@media(max-width:760px){.co-mini{grid-template-columns:1fr}}
.nmeta{margin-top:auto;font-size:13.5px;color:var(--muted)}
@media(max-width:640px){.page-hd{padding:40px 0 38px}}