:root{
  --bg:#0b0b0c;
  --card:#141416;
  --muted:#9aa0a6;
  --text:#f2f3f5;
  --accent:#ff6b00;
  --accent-2:#ffd1b2;
  --border:#2a2b30;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:var(--bg);color:var(--text);font:16px/1.6 system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif}
img{max-width:100%;height:auto;display:block}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3{line-height:1.2;margin:0 0 .6rem}
p{margin:.4rem 0 1rem}
ul{margin:.6rem 0 1rem 1.2rem}
.center{text-align:center}

/* Header */
.site-header{position:sticky;top:0;z-index:50;display:flex;align-items:center;justify-content:space-between;padding:12px 20px;background:rgba(11,11,12,.9);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid var(--border)}
.logo{font-weight:800;letter-spacing:.3px;font-size:1.15rem;color:#fff}
.logo span{color:var(--accent)}
.site-nav{display:flex;gap:18px}
.site-nav a{padding:8px 10px;border-radius:8px;color:#e8eaed}
.site-nav a:hover{background:#1b1c20;text-decoration:none}
.nav-toggle{display:none;background:none;border:0;color:#fff;font-size:1.6rem}

/* Layout */
.site-main{padding:24px}
.page-hero, .hero{max-width:1100px;margin:0 auto 24px;background:linear-gradient(135deg,#141416,#101012);border:1px solid var(--border);border-radius:18px;padding:24px}
.page-hero h1{font-size:2rem}
.hero{display:grid;place-items:center;min-height:52vh;text-align:center;position:relative;overflow:hidden}
.hero:before{content:"";position:absolute;inset:-40%;background:radial-gradient(closest-corner at 30% 40%,rgba(255,107,0,.25),transparent 60%),radial-gradient(closest-corner at 80% 80%,rgba(255,255,255,.05),transparent 60%);filter:blur(40px)}
.hero-content{position:relative}
.hero h1{font-size:clamp(2rem,4vw,3rem);margin-bottom:.5rem}
.hero-ctas{margin-top:1rem;display:flex;gap:12px;justify-content:center;flex-wrap:wrap}

.btn{display:inline-block;background:var(--accent);color:#101012;padding:10px 16px;border-radius:12px;font-weight:700;border:1px solid #0000}
.btn:hover{filter:brightness(1.05);text-decoration:none}
.btn-outline{background:#0000;border-color:var(--border);color:var(--text)}
.btn-small{padding:8px 12px;font-size:.92rem}

/* Cards */
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;max-width:1100px;margin:24px auto}
.card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px}
.card h3{color:#fff}

/* Brands */
.brands-strip{max-width:1100px;margin:40px auto}
.logo-row{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;align-items:center;filter:grayscale(1);opacity:.9}
.logo-row img{width:100%;height:64px;object-fit:contain;background:#0f0f11;border:1px solid var(--border);border-radius:12px;padding:8px}
.logo-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px}
.logo-card{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:16px;display:flex;flex-direction:column;gap:8px}
.logo-card img{height:60px;object-fit:contain;align-self:flex-start}
.filters{max-width:1100px;margin:12px auto 24px;display:flex;gap:12px;flex-wrap:wrap}
.filter{display:flex;gap:6px;align-items:center;background:#121216;border:1px solid var(--border);padding:6px 10px;border-radius:999px}

/* Projects */
.projects-teaser{max-width:1100px;margin:40px auto}
.teaser-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.teaser{display:block;background:var(--card);border:1px solid var(--border);border-radius:16px;padding:18px}
.project-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.project-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:12px}
.project-photo{height:160px;border-radius:12px;background:
  linear-gradient(135deg,rgba(255,107,0,.35),rgba(255,107,0,.05)),
  url('assets/img/placeholder-project.jpg') center/cover no-repeat;
  border:1px solid var(--border)}

/* About */
.about-split{max-width:1100px;margin:40px auto;display:grid;grid-template-columns:1.2fr .8fr;gap:20px;align-items:center}
.about-photo{height:260px;border-radius:16px;background:
  radial-gradient(closest-side at 70% 20%,rgba(255,107,0,.4),transparent 60%),
  #141416; border:1px solid var(--border)}

.split{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1.2fr .8fr;gap:20px}
.fact-card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
.facts{list-style:none;margin:0;padding:0}
.facts li{padding:6px 0;border-bottom:1px dashed var(--border)}

.resource-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.resource{background:var(--card);border:1px solid var(--border);border-radius:14px;padding:14px;display:block}

/* Contact */
.contact-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:20px}
.contact-form{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
.contact-form label{display:block;margin:8px 0}
.contact-form input,.contact-form textarea,.contact-form select{width:100%;padding:10px;border-radius:10px;border:1px solid var(--border);background:#0f0f11;color:var(--text)}
.contact-form .hint{color:var(--muted);font-size:.85rem}
.contact-info{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:16px}
.map-placeholder{height:220px;border:1px dashed var(--border);border-radius:12px;display:grid;place-items:center;color:var(--muted)}

/* Footer */
.site-footer{border-top:1px solid var(--border);background:#0f0f11;margin-top:40px;padding:20px}
.site-footer .footer-col{display:inline-block;vertical-align:top;margin:0 20px 10px 0;min-width:240px}
.footer-bottom{display:flex;gap:16px;flex-wrap:wrap;justify-content:space-between;border-top:1px solid var(--border);margin-top:12px;padding-top:12px}
.socials a{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:999px;border:1px solid var(--border);background:#121216;margin-right:8px}
/* Social icons in orange */
.socials a svg{
  fill: var(--accent);               /* πορτοκαλί (#ff6b00) από το theme */
  transition: fill .2s ease;
}
.socials a:hover svg{
  fill: var(--accent-2);             /* πιο φωτεινό στο hover */
}
.socials a:active svg{
  fill: #e65a00;                     /* λίγο πιο σκούρο στο click */
}


/* Chips */
.chip{background:#121216;border:1px solid var(--border);color:#e8eaed;border-radius:999px;padding:8px 12px;cursor:pointer}
.chip.active{outline:2px solid var(--accent)}

/* Responsive */
@media (max-width: 1000px){
  .cards{grid-template-columns:1fr 1fr}
  .logo-grid{grid-template-columns:repeat(3,1fr)}
  .teaser-grid,.project-grid{grid-template-columns:repeat(2,1fr)}
  .about-split,.split,.contact-grid{grid-template-columns:1fr}
  .logo-row{grid-template-columns:repeat(3,1fr)}
}
@media (max-width: 640px){
  .site-main{padding:16px}
  .site-nav{display:none;position:absolute;top:56px;right:16px;background:#0f0f11;border:1px solid var(--border);border-radius:12px;padding:10px;flex-direction:column;gap:4px}
  .nav-toggle{display:block}
  .cards{grid-template-columns:1fr}
  .logo-grid{grid-template-columns:repeat(2,1fr)}
  .teaser-grid,.project-grid{grid-template-columns:1fr}
  .logo-row{grid-template-columns:repeat(2,1fr)}
}