:root{
  --navy:#0B2A4A;--navy-2:#123A63;--amber:#2E9E5B;--amber-2:#6BD39A;
  --ink:#1B2430;--muted:#5B6B7B;--line:#E3E8EE;--bg:#FFFFFF;--bg-2:#F4F7FA;--surface:#FFFFFF;--head:#0B2A4A;--icon-bg:#E6F5EC;--header-bg:rgba(255,255,255,.95);--input-line:#CBD5E1;--hover-line:#cdd8e4;--shadow:var(--shadow);--pill-ink:#1F6B3E;
  --radius:14px;--max:1140px;
  --font:"Inter","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font);color:var(--ink);background:var(--bg);line-height:1.6;font-size:16px;-webkit-font-smoothing:antialiased}
img,svg{max-width:100%;display:block}
a{color:var(--head);text-decoration:none}
h1,h2,h3,h4{line-height:1.2;margin:0 0 .5em;color:var(--head);font-weight:800;letter-spacing:-.01em}
h1{font-size:clamp(2rem,4.5vw,3.25rem)}
h2{font-size:clamp(1.6rem,3vw,2.25rem)}
h3{font-size:1.2rem}
p{margin:0 0 1em}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.muted{color:var(--muted)}
.eyebrow{display:inline-block;font-size:.8rem;font-weight:700;letter-spacing:.14em;text-transform:uppercase;color:var(--amber);margin-bottom:.6rem}
.btn{display:inline-flex;align-items:center;gap:.5rem;padding:.85rem 1.4rem;border-radius:999px;font-weight:700;border:2px solid transparent;transition:.2s;cursor:pointer;font-size:1rem;font-family:inherit}
.btn-primary{background:var(--amber);color:#fff}
.btn-primary:hover{background:#257F49}
.btn-outline{border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12)}
.btn-navy{background:var(--navy);color:#fff}
.btn-navy:hover{background:var(--navy-2)}

/* Header */
.topbar{background:var(--navy);color:#cfd8e3;font-size:.85rem}
.topbar .wrap{display:flex;justify-content:space-between;gap:1rem;padding:.4rem 20px;flex-wrap:wrap}
.topbar a{color:#fff}
header.site{position:sticky;top:0;z-index:50;background:var(--header-bg);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;align-items:center;justify-content:space-between;height:74px}
.brand{flex:none;margin-right:1.4rem}
.brand img{height:50px;width:auto}
.hdr-right{display:flex;align-items:center;gap:.5rem;order:3;margin-left:.6rem}
nav.main{order:2;margin-left:auto}
@media(max-width:1240px){nav.main{margin-left:0}}
nav.main ul{list-style:none;margin:0;padding:0;display:flex;gap:.85rem;align-items:center}
nav.main a{font-weight:600;color:var(--ink);padding:.4rem 0;border-bottom:2px solid transparent;white-space:nowrap;font-size:.92rem}
nav.main a:hover,nav.main a.active{color:var(--head);border-bottom-color:var(--amber)}
nav.main .btn{padding:.55rem 1rem;color:#fff;border-bottom:0;font-size:.9rem}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:.5rem}
.nav-toggle span{display:block;width:26px;height:3px;background:var(--head);margin:5px 0;border-radius:2px}
@media(max-width:1240px){
  .nav-toggle{display:block}
  nav.main{position:absolute;left:0;right:0;top:74px;background:var(--surface);border-bottom:1px solid var(--line);display:none}
  nav.main.open{display:block}
  nav.main ul{flex-direction:column;align-items:stretch;gap:0;padding:.5rem 20px 1rem}
  nav.main a{display:block;padding:.75rem 0;border-bottom:1px solid var(--line)}
  nav.main .btn{margin-top:.75rem;justify-content:center}
}

/* Hero */
.hero{background:linear-gradient(135deg,var(--navy) 0%,#0F3B6A 60%,#155085 100%);color:#fff;position:relative;overflow:hidden}
.hero::after{content:"";position:absolute;right:-120px;top:-120px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(107,211,154,.30),transparent 65%)}
.hero .wrap{position:relative;padding:5.5rem 20px;display:grid;grid-template-columns:1.2fr .8fr;gap:3rem;align-items:center}
.hero h1{color:#fff}
.hero p.lead{font-size:1.15rem;color:#d9e2ec;max-width:560px}
.hero .actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.5rem}
.hero-card{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:1.5rem;backdrop-filter:blur(6px)}
.hero-card ul{list-style:none;margin:0;padding:0;display:grid;gap:.8rem}
.hero-card li{display:flex;gap:.7rem;align-items:flex-start}
.hero-card li::before{content:"";flex:none;width:10px;height:10px;margin-top:.45rem;border-radius:50%;background:var(--amber-2)}
@media(max-width:880px){.hero .wrap{grid-template-columns:1fr;padding:3.5rem 20px}}

/* Sections */
section{padding:4.5rem 0}
section.alt{background:var(--bg-2)}
.section-head{max-width:680px;margin-bottom:2.5rem}
.grid{display:grid;gap:1.4rem}
.grid-2{grid-template-columns:repeat(2,1fr)}
.grid-3{grid-template-columns:repeat(3,1fr)}
.grid-4{grid-template-columns:repeat(4,1fr)}
@media(max-width:980px){.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}}
@media(max-width:640px){.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}}
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem;transition:.2s;display:flex;flex-direction:column}
.card:hover{transform:translateY(-3px);box-shadow:0 12px 30px var(--shadow);border-color:var(--hover-line)}
.card .icon{width:52px;height:52px;border-radius:12px;background:var(--icon-bg);display:grid;place-items:center;margin-bottom:1rem;color:var(--amber)}
.card .icon svg{width:28px;height:28px}
.card ul{padding-left:1.1rem;margin:.4rem 0 1rem;color:var(--muted);font-size:.95rem}
.card .more{margin-top:auto;font-weight:700;color:var(--amber)}
.card .more:hover{text-decoration:underline}

/* Stats */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:1rem}
.stat{text-align:center;padding:1.4rem;border-radius:var(--radius);background:var(--surface);border:1px solid var(--line)}
.stat b{display:block;font-size:2.2rem;color:var(--head);line-height:1}
.stat span{color:var(--muted);font-size:.9rem}
@media(max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}}

/* Steps */
.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.step{position:relative;padding:1.6rem 1.4rem 1.4rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius)}
.step::before{counter-increment:s;content:counter(s,decimal-leading-zero);font-weight:800;color:var(--amber);font-size:1.6rem;display:block;margin-bottom:.4rem}
@media(max-width:900px){.steps{grid-template-columns:repeat(2,1fr)}}
@media(max-width:560px){.steps{grid-template-columns:1fr}}

/* Split */
.split{display:grid;grid-template-columns:1fr 1fr;gap:3rem;align-items:center}
@media(max-width:880px){.split{grid-template-columns:1fr}}
.checklist{list-style:none;padding:0;margin:1rem 0}
.checklist li{padding-left:1.8rem;position:relative;margin:.5rem 0}
.checklist li::before{content:"✓";position:absolute;left:0;top:0;color:var(--amber);font-weight:800}

/* Projects */
.project{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:var(--surface)}
.project .tag{display:inline-block;font-size:.75rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:#fff;background:var(--navy);padding:.25rem .6rem;border-radius:6px;margin-bottom:.7rem}
.project .body{padding:1.4rem}
.project .band{height:8px;background:linear-gradient(90deg,var(--amber),var(--amber-2))}

/* CTA */
.cta{background:var(--navy);color:#fff}
.cta .wrap{display:flex;justify-content:space-between;align-items:center;gap:2rem;flex-wrap:wrap;padding-top:3rem;padding-bottom:3rem}
.cta h2{color:#fff;margin:0}
.cta p{color:#cfd8e3;margin:.3rem 0 0}

/* Contact */
.contact-grid{display:grid;grid-template-columns:1fr 1.2fr;gap:2.5rem}
@media(max-width:880px){.contact-grid{grid-template-columns:1fr}}
.info-list{list-style:none;padding:0;margin:0;display:grid;gap:1rem}
.info-list li{display:flex;gap:.9rem;align-items:flex-start}
.info-list .ic{flex:none;width:40px;height:40px;border-radius:10px;background:var(--icon-bg);display:grid;place-items:center;color:var(--amber)}
.info-list .ic svg{width:20px;height:20px}
.info-list b{display:block;color:var(--head)}
form.contact{display:grid;gap:1rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.6rem}
form.contact .row{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
@media(max-width:560px){form.contact .row{grid-template-columns:1fr}}
label{font-weight:600;font-size:.9rem;display:block;margin-bottom:.3rem;color:var(--head)}
input,select,textarea{width:100%;padding:.75rem .9rem;border:1px solid var(--input-line);border-radius:10px;font:inherit;background:var(--surface)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--amber-2);border-color:var(--amber)}
textarea{min-height:130px;resize:vertical}
.hp{position:absolute;left:-9999px}
.form-msg{padding:.9rem 1rem;border-radius:10px;display:none}
.form-msg.ok{display:block;background:#E8F5E9;color:#1B5E20}
.form-msg.err{display:block;background:#FDECEA;color:#B71C1C}
.map{border:0;width:100%;height:320px;border-radius:var(--radius)}

/* Page header */
.page-head{background:var(--bg-2);border-bottom:1px solid var(--line);padding:3rem 0}
.page-head p{max-width:680px;color:var(--muted);margin:0}

/* Service detail */
.service{padding:3rem 0;border-bottom:1px solid var(--line)}
.service:last-of-type{border-bottom:0}
.service .grid-2{align-items:start}
.pill{display:inline-block;background:var(--icon-bg);color:var(--pill-ink);border-radius:999px;padding:.2rem .7rem;font-size:.8rem;font-weight:700;margin:.2rem .3rem .2rem 0}

/* Footer */
footer{background:#081E36;color:#b7c4d3;padding:3.5rem 0 1.5rem;font-size:.95rem}
footer .cols{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2rem;margin-bottom:2.5rem}
@media(max-width:880px){footer .cols{grid-template-columns:1fr 1fr}}
@media(max-width:560px){footer .cols{grid-template-columns:1fr}}
footer h4{color:#fff;font-size:1rem;margin-bottom:.8rem}
footer ul{list-style:none;padding:0;margin:0}
footer li{margin:.35rem 0}
footer a{color:#dbe4ee}
footer a:hover{color:var(--amber-2)}
footer .legal{border-top:1px solid rgba(255,255,255,.12);padding-top:1.2rem;display:flex;justify-content:space-between;flex-wrap:wrap;gap:.5rem;font-size:.85rem;color:#8fa1b5}
.footer-logo{height:40px;width:auto;margin-bottom:1rem}

/* Trust logos */
.logos{display:flex;flex-wrap:wrap;gap:.6rem}
.logo-pill{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:.5rem 1rem;font-weight:600;color:var(--head);font-size:.95rem}
/* Calculator */
.calc-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:2rem;align-items:start}
@media(max-width:900px){.calc-grid{grid-template-columns:1fr}}
.seg{display:flex;gap:1rem;flex-wrap:wrap}
.seg label{font-weight:500;display:flex;gap:.4rem;align-items:center}
.seg input{width:auto}
form.contact small{display:block;margin-top:.3rem;font-size:.8rem}
form.contact details summary{cursor:pointer;font-weight:600}
.result-card{background:var(--navy);color:#fff;border-radius:var(--radius);padding:1.6rem;position:sticky;top:90px}
.result-card h3{color:#fff}
.result-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem}
@media(max-width:560px){.result-grid{grid-template-columns:repeat(2,1fr)}}
.result-grid div{background:rgba(255,255,255,.08);border-radius:10px;padding:.9rem .8rem}
.result-grid b{display:block;font-size:1.35rem;color:var(--amber-2);line-height:1.1}
.result-grid span{font-size:.8rem;color:#cfd8e3}
.result-card .muted{color:#cfd8e3}
.result-card .btn-navy{background:var(--amber);color:#fff}
.bar-wrap{margin-top:1rem}
.bar{height:12px;border-radius:6px;background:#3d5f86;overflow:hidden}
.bar span{display:block;height:100%;background:var(--amber-2);width:35%;transition:.4s}
.bar-legend{display:flex;justify-content:space-between;font-size:.75rem;color:#cfd8e3;margin-top:.3rem}
.bar-legend span:first-child{color:var(--amber-2)}
/* Articles */
.article-grid{display:grid;grid-template-columns:1fr 320px;gap:2.5rem;align-items:start}
@media(max-width:900px){.article-grid{grid-template-columns:1fr}}
.article{font-size:1.05rem;line-height:1.75}
.article h2{font-size:1.4rem;margin-top:2rem}
.article ul,.article ol{padding-left:1.3rem}
.article li{margin:.4rem 0}
ul.plain{list-style:none;padding:0;margin:0}
ul.plain li{padding:.4rem 0;border-bottom:1px solid var(--line)}
ul.plain-list{padding-left:1.1rem;color:var(--muted);margin:.5rem 0 0}
ul.plain-list li{margin:.35rem 0}
.project h3 a{color:var(--head)}
.project .more{font-weight:700;color:var(--amber)}

/* Bio */
.bio{display:grid;grid-template-columns:260px 1fr;gap:2.5rem;align-items:start}
@media(max-width:800px){.bio{grid-template-columns:1fr}}
.bio-photo{width:260px;height:260px;border-radius:var(--radius);background:linear-gradient(135deg,var(--navy),#155085);display:grid;place-items:center;color:var(--amber-2);font-weight:800;font-size:4rem;letter-spacing:.05em}
.bio-photo img{width:100%;height:100%;object-fit:cover;border-radius:var(--radius)}
.bio p{font-size:1.05rem}
/* Category families */
.fams .fam-card{border-top:4px solid var(--amber)}
.fam-list{list-style:none;padding:0;margin:.6rem 0 1rem}
.fam-list li{padding:.3rem 0;border-bottom:1px solid var(--line);font-size:.95rem}
.fam-list a{color:var(--ink);font-weight:600}
.fam-list a:hover{color:var(--amber)}
.chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:1.2rem}
.chip{background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:.4rem .9rem;font-size:.9rem;font-weight:600;color:var(--head)}
.chip:hover{border-color:var(--amber);color:var(--amber)}
.cat-stat{display:inline-block;background:var(--navy);color:var(--amber-2);font-weight:800;border-radius:8px;padding:.25rem .7rem;font-size:.9rem;margin-bottom:.6rem}

/* Dark mode */
html[data-theme="dark"]{
  --ink:#E6EDF5;--muted:#9DB0C3;--line:#243447;--bg:#0E1622;--bg-2:#131E2D;--surface:#172436;
  --head:#DCE7F5;--icon-bg:#153223;--header-bg:rgba(14,22,34,.94);--input-line:#324459;--hover-line:#3A5170;
  --shadow:rgba(0,0,0,.45);--pill-ink:#6BD39A;color-scheme:dark;
}
html[data-theme="dark"] .topbar{background:#08111C}
html[data-theme="dark"] footer{background:#08111C}
html[data-theme="dark"] input,html[data-theme="dark"] select,html[data-theme="dark"] textarea{color:var(--ink)}
html[data-theme="dark"] .form-msg.err{background:#3A1A18;color:#FFB4A9}
html[data-theme="dark"] img.map{filter:brightness(.85) contrast(1.05)}
.theme-toggle{background:none;border:1px solid var(--line);border-radius:999px;width:38px;height:38px;display:grid;place-items:center;cursor:pointer;color:var(--head);padding:0;flex:none}
.theme-toggle:hover{border-color:var(--amber);color:var(--amber)}
.theme-toggle svg{width:20px;height:20px}
.theme-toggle .sun{display:none}
html[data-theme="dark"] .theme-toggle .sun{display:block}
html[data-theme="dark"] .theme-toggle .moon{display:none}
.brand .logo-dark{display:none}
html[data-theme="dark"] .brand .logo-dark{display:block}
html[data-theme="dark"] .brand .logo-light{display:none}

/* Εξοικονομώ */
.exo-band{background:linear-gradient(135deg,var(--navy) 0%,#0F3B6A 60%,#155085 100%);color:#fff;position:relative;overflow:hidden}
.exo-band::after{content:"";position:absolute;left:-160px;bottom:-200px;width:520px;height:520px;border-radius:50%;background:radial-gradient(circle,rgba(107,211,154,.25),transparent 65%)}
.exo-band .wrap{position:relative}
.exo-band h2{color:#fff}
.exo-band .lead{font-size:1.1rem;color:#d9e2ec;max-width:560px}
.checklist.light li{color:#e6edf5}
.exo-band .actions{display:flex;gap:.8rem;flex-wrap:wrap;margin-top:1.4rem}
.exo-stats{display:grid;grid-template-columns:1fr 1fr;gap:1rem}
.exo-stat{background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.18);border-radius:var(--radius);padding:1.4rem;text-align:center;backdrop-filter:blur(6px)}
.exo-stat b{display:block;font-size:2.6rem;line-height:1;color:var(--amber-2)}
.exo-stat span{color:#d9e2ec;font-size:.9rem}
.hero-exo .hero-card li b{color:var(--amber-2);margin-right:.3rem}
.stats-2{grid-template-columns:1fr 1fr;margin-top:1.4rem}
.timeline{list-style:none;margin:0;padding:0;border-left:2px solid var(--line)}
.tl-item{display:grid;grid-template-columns:96px 1fr;gap:.8rem;padding:0 0 1.2rem 1.2rem;position:relative}
.tl-item::before{content:"";position:absolute;left:-7px;top:.35rem;width:12px;height:12px;border-radius:50%;background:var(--amber);border:2px solid var(--bg)}
.tl-year{font-weight:800;color:var(--amber);font-size:.9rem;padding-top:.15rem}
.tl-item b{color:var(--head)}
.tl-item p{margin:.2rem 0 0;font-size:.92rem}
.faq{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1rem 1.3rem;margin-bottom:.8rem}
.faq summary{cursor:pointer;font-weight:700;color:var(--head);list-style:none;display:flex;justify-content:space-between;gap:1rem}
.faq summary::after{content:"+";color:var(--amber);font-weight:800;font-size:1.3rem;line-height:1}
.faq[open] summary::after{content:"–"}
.faq p{margin:.8rem 0 0;color:var(--muted)}
@media(max-width:760px){.exo-stats{grid-template-columns:1fr 1fr}.tl-item{grid-template-columns:1fr}.tl-year{padding:0}}
@media(min-width:1241px) and (max-width:1540px){nav.main li.sec{display:none}}

/* Team */
.team{display:flex;flex-wrap:wrap;justify-content:center;gap:1.4rem}
.member{flex:1 1 260px;max-width:300px}
.member{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:1.4rem;text-align:center}
.member-photo{width:120px;height:120px;border-radius:50%;margin:0 auto 1rem;overflow:hidden;background:linear-gradient(135deg,var(--navy),#155085);display:grid;place-items:center;color:var(--amber-2);font-weight:800;font-size:2rem;letter-spacing:.04em}
.member-photo img{width:100%;height:100%;object-fit:cover}
.member h3{font-size:1.05rem;margin-bottom:.2rem}
.member .role{color:var(--amber);font-weight:700;font-size:.9rem;margin:0 0 .6rem}
.member .muted{font-size:.92rem;margin:0}
@media(max-width:900px){.team{grid-template-columns:1fr 1fr}}
@media(max-width:520px){.team{grid-template-columns:1fr}}
.member-photo.silhouette{background:var(--bg-2);border:1px solid var(--line)}
.member-photo.silhouette svg{width:100%;height:100%;fill:#B8C4D2}
html[data-theme="dark"] .member-photo.silhouette{background:#1E2D40}
html[data-theme="dark"] .member-photo.silhouette svg{fill:#4E6178}
.hero .h1-sub{color:var(--amber-2);font-weight:700;font-size:.62em;display:inline-block;margin-top:.35em}

.member-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:.35rem;margin:.8rem 0 0;list-style:none}
.member-tags span{font-size:.74rem;line-height:1;padding:.34rem .55rem;border-radius:999px;background:var(--bg-2);border:1px solid var(--line);color:var(--muted);letter-spacing:.02em;white-space:nowrap}
html[data-theme="dark"] .member-tags span{background:#172434}
.member-mail{margin:.55rem 0 0;font-size:.85rem}
.member-mail a{color:var(--amber);font-weight:600;text-decoration:none}
.member-mail a:hover{text-decoration:underline}