/* =====================================================================
   3D-Codes · Άρθρα — κοινό στυλ για τη λίστα και για κάθε άρθρο
   Χρώματα ίδια με το 3D-Codes (μαύρο, χρυσό, ατσάλι)
   ===================================================================== */
:root{
  --ink:#0b0c0e;
  --panel:#141619;
  --panel-2:#1b1e22;
  --brass:#b8924a;
  --brass-light:#e2cf9f;
  --steel:#7a93a8;
  --paper:#eef0ec;
  --smoke:#98a0a6;
  --body:#cdd2d4;
  --hair:rgba(238,240,236,0.12);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{background:var(--ink);color:var(--paper);font-family:'Inter',sans-serif;-webkit-font-smoothing:antialiased;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}

/* Δίγλωσσο περιεχόμενο: φαίνεται μόνο η γλώσσα που διάλεξε ο επισκέπτης */
html[lang="el"] [data-lang="en"]:not(.lang-btn), html[lang="en"] [data-lang="el"]:not(.lang-btn){display:none !important;}

/* ---------- Μπάρα ---------- */
.nav{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:12px 28px;background:rgb(11,12,14);border-bottom:1px solid var(--hair);}
.nav-brand{flex:none;}
.nav-brand img{height:44px;width:auto;max-width:none;}
.nav-links{display:flex;align-items:center;gap:clamp(14px, 2.6vw, 30px);margin-left:auto;}
.nav-links a{font-weight:700;font-size:14px;letter-spacing:0.06em;text-transform:uppercase;color:var(--smoke);white-space:nowrap;transition:color .2s ease;}
.nav-links a:hover, .nav-links a.active{color:var(--brass-light);}
.nav-links a.active{border-bottom:2px solid var(--brass);padding-bottom:3px;}
.nav-home{display:inline-flex;align-items:center;gap:6px;}
.nav-home svg{width:15px;height:15px;flex:none;}
.lang-toggle{display:flex;gap:3px;background:var(--panel);border:1px solid var(--hair);border-radius:20px;padding:3px;flex:none;}
.lang-btn{font-family:'Inter',sans-serif;font-weight:700;font-size:11px;letter-spacing:0.04em;padding:6px 13px;border-radius:16px;
  color:var(--smoke);border:none;background:none;cursor:pointer;transition:background .2s ease, color .2s ease;}
.lang-btn.active{background:var(--brass-light);color:#1a1409;}
.lang-btn:hover:not(.active){color:var(--brass-light);}
@media (max-width:720px){
  .nav{padding:10px 12px;gap:8px;}
  .nav-brand img{height:26px;}
  .nav-links{gap:10px;}
  .nav-links a{font-size:10.5px;}
  .lang-btn{padding:4px 9px;font-size:9.5px;}
}
@media (max-width:560px){
  .nav-home .home-txt{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
}
@media (max-width:480px){
  .nav-links a.nav-gen{display:none;}
}
@media (max-width:400px){
  .nav-brand img{height:14px;}
  .nav-links{gap:8px;}
  .nav-links a{font-size:9.5px;letter-spacing:0.03em;}
}

/* ---------- Λίστα άρθρων ---------- */
.page-head{padding:80px 24px 50px;text-align:center;border-bottom:1px solid var(--hair);}
.flourish{width:64px;height:14px;margin:0 auto 18px;color:var(--brass);opacity:.8;}
.flourish svg{width:100%;height:100%;display:block;}
.page-head h1{font-family:'Oswald','Roboto Condensed',sans-serif;font-weight:700;font-size:clamp(32px, 5.5vw, 52px);letter-spacing:0.02em;text-transform:uppercase;margin-bottom:14px;}
.page-head p{color:var(--smoke);max-width:58ch;margin:0 auto;line-height:1.7;font-size:16px;}
.articles-wrap{max-width:1080px;margin:0 auto;padding:56px 24px 90px;display:grid;grid-template-columns:repeat(auto-fill, minmax(300px, 1fr));gap:22px;}
.article-card{display:flex;flex-direction:column;background:var(--panel);border:1px solid var(--hair);border-radius:16px;padding:26px 24px 22px;
  transition:border-color .25s ease, transform .25s ease;}
.article-card:hover{border-color:rgba(184,146,74,.55);transform:translateY(-3px);}
.article-card h2{font-family:'Oswald','Roboto Condensed',sans-serif;font-weight:600;font-size:21px;line-height:1.25;letter-spacing:0.01em;margin:0 0 10px;color:var(--paper);}
.article-card p{color:var(--smoke);font-size:14.5px;line-height:1.65;margin-bottom:18px;flex:1;}
.article-cta{font-family:'Oswald','Roboto Condensed',sans-serif;font-size:12.5px;letter-spacing:0.12em;text-transform:uppercase;color:var(--brass-light);}
.card-meta{display:block;font-size:12px;color:var(--smoke);margin-top:12px;opacity:.8;}

/* ---------- Άρθρο ---------- */
.breadcrumb{max-width:740px;margin:0 auto;padding:34px 24px 0;font-size:12.5px;color:var(--smoke);display:flex;gap:8px;align-items:center;flex-wrap:wrap;}
.breadcrumb a{color:var(--brass-light);}
.breadcrumb .sep{opacity:.5;}
article{max-width:740px;margin:0 auto;padding:22px 24px 30px;}
.article-eyebrow{display:block;font-family:'Oswald','Roboto Condensed',sans-serif;font-size:12px;font-weight:600;letter-spacing:0.14em;text-transform:uppercase;color:var(--brass-light);margin-bottom:14px;}
article h1{font-family:'Oswald','Roboto Condensed',sans-serif;font-weight:700;font-size:clamp(30px, 5.2vw, 44px);letter-spacing:0.01em;line-height:1.15;margin-bottom:18px;}
.article-meta{font-size:13px;color:var(--smoke);margin-bottom:26px;}
.lede{font-style:italic;font-size:17.5px;line-height:1.7;color:var(--smoke);margin-bottom:34px;max-width:62ch;}
article p{font-size:16px;line-height:1.85;color:var(--body);margin-bottom:20px;max-width:66ch;}
article p strong, article li strong{color:var(--paper);font-weight:600;}
article p a, article li a{color:var(--brass-light);border-bottom:1px solid rgba(226,207,159,.35);}
article p a:hover, article li a:hover{border-color:var(--brass-light);}
article h2{font-family:'Oswald','Roboto Condensed',sans-serif;font-weight:600;font-size:23px;letter-spacing:0.01em;color:var(--brass-light);
  margin:44px 0 16px;padding-top:26px;border-top:1px solid var(--hair);}
article h3{font-family:'Oswald','Roboto Condensed',sans-serif;font-weight:500;font-size:18px;color:var(--paper);margin:26px 0 10px;}
article ul, article ol{margin:0 0 24px;max-width:66ch;display:grid;gap:10px;padding-left:0;list-style:none;}
article li{position:relative;padding-left:22px;font-size:15.5px;line-height:1.75;color:var(--body);}
article ul li:before{content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brass);}
article ol{counter-reset:n;}
article ol li{counter-increment:n;padding-left:34px;}
article ol li:before{content:counter(n);position:absolute;left:0;top:.18em;width:24px;height:24px;border-radius:50%;
  border:1px solid var(--brass);color:var(--brass-light);font-family:'Oswald','Roboto Condensed',sans-serif;font-size:13px;display:grid;place-items:center;}

/* Κουτί με αριθμό/στοιχείο */
.stat-row{display:grid;grid-template-columns:repeat(auto-fit, minmax(180px, 1fr));gap:12px;margin:8px 0 30px;}
.stat{background:var(--panel);border:1px solid var(--hair);border-radius:14px;padding:16px 18px;}
.stat b{display:block;font-family:'Oswald','Roboto Condensed',sans-serif;font-weight:600;font-size:30px;line-height:1.1;color:var(--brass-light);}
.stat span{display:block;margin-top:6px;font-size:13px;line-height:1.5;color:var(--smoke);}

/* Κουτί συμβουλής */
.tip{background:var(--panel);border:1px solid var(--hair);border-left:3px solid var(--brass);border-radius:4px 14px 14px 4px;padding:20px 22px;margin:30px 0;}
.tip .tip-title{display:block;font-family:'Oswald','Roboto Condensed',sans-serif;font-weight:600;font-size:15px;letter-spacing:.06em;text-transform:uppercase;color:var(--brass-light);margin-bottom:8px;}
.tip p{margin:0;font-size:15px;}

/* Σύγκριση δύο στηλών */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin:10px 0 30px;}
.compare > div{background:var(--panel);border:1px solid var(--hair);border-radius:14px;padding:18px 18px 8px;}
.compare h3{margin:0 0 10px;font-size:16px;}
.compare .good{border-color:rgba(184,146,74,.5);}
.compare ul{margin-bottom:10px;gap:8px;}
.compare li{font-size:14px;line-height:1.6;}
@media (max-width:620px){ .compare{grid-template-columns:1fr;} }

.sources{margin-top:46px;padding-top:22px;border-top:1px solid var(--hair);}
.sources .src-title{display:block;font-family:'Oswald','Roboto Condensed',sans-serif;font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:var(--smoke);margin-bottom:10px;}
.sources ol li, .sources ul li{font-size:13px;line-height:1.6;color:var(--smoke);}
.sources ol li:before{width:20px;height:20px;font-size:11px;}
.sources a{color:var(--smoke);border-bottom:1px solid var(--hair);}

/* Σχετικά άρθρα + κλείσιμο */
.related-wrap{max-width:740px;margin:0 auto;padding:0 24px 40px;display:grid;gap:12px;}
.related-heading{font-family:'Oswald','Roboto Condensed',sans-serif;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--smoke);margin-bottom:2px;}
.related-item{display:flex;justify-content:space-between;align-items:center;gap:14px;background:var(--panel);border:1px solid var(--hair);border-radius:12px;padding:16px 18px;
  transition:border-color .2s ease;}
.related-item:hover{border-color:rgba(184,146,74,.55);}
.related-item .r-label{display:block;font-size:11.5px;color:var(--smoke);margin-bottom:3px;}
.related-item .r-title{font-family:'Oswald','Roboto Condensed',sans-serif;font-size:16.5px;color:var(--paper);}
.related-item .r-arrow{color:var(--brass);font-size:20px;flex:none;}
.final-cta{text-align:center;padding:50px 24px 70px;border-top:1px solid var(--hair);}
.final-cta h2{font-family:'Oswald','Roboto Condensed',sans-serif;font-weight:600;font-size:26px;margin-bottom:20px;text-transform:uppercase;letter-spacing:.02em;}
.cta-row{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;}
.cta-button{display:inline-block;font-family:'Oswald','Roboto Condensed',sans-serif;font-weight:600;font-size:14px;letter-spacing:0.08em;text-transform:uppercase;
  padding:15px 30px;border-radius:999px;background:var(--brass);color:#1a1409;transition:background .2s ease, transform .2s ease;}
.cta-button:hover{background:var(--brass-light);transform:translateY(-2px);}
.cta-button.ghost{background:none;border:1px solid var(--hair);color:var(--paper);}
.cta-button.ghost:hover{border-color:var(--brass);background:none;}

footer{text-align:center;padding:30px 24px 44px;border-top:1px solid var(--hair);font-size:13px;color:var(--smoke);line-height:1.9;}
footer a{color:var(--brass-light);}