:root{
  --bg1:#0c1219;
  --bg2:#0b0f14;
  --panel:#101722;
  --panel2:#121a26;
  --card:#121a26;
  --glass-bg:rgba(255,255,255,0.06);
  --glass-border:rgba(255,255,255,0.18);
  --glass-blur:14px;

  --text:#e7edf5;
  --muted:#8b99ac;

  --accent:#35c26b;
  --accent2:#2ea25a;

  --radius:20px;
  --container-max:1100px;
}

/* GLOBAL */
*{box-sizing:border-box}
body{
  margin:0;
  font-family:Inter,system-ui,sans-serif;
  background:linear-gradient(180deg,var(--bg1),var(--bg2) 40%);
  color:var(--text);
}

.container{
  max-width:var(--container-max);
  margin:0 auto;
  padding:32px;
}

/* HEADER */
.site-header{
  position:sticky;
  top:0;
  z-index:50;
  background:rgba(11,15,20,.75);
  backdrop-filter:blur(8px);
}

.header-inner{
  display:flex;
  align-items:center;
  gap:16px;
}

.brand{
  font-weight:800;
  font-size:1.3rem;
  text-decoration:none;
}

.main-nav{
  display:flex;
  gap:8px;
  margin-left:auto;
}
.main-nav a{
  text-decoration:none;
  background:var(--panel);
  padding:.48rem .8rem;
  border-radius:999px;
  color:var(--muted);
  border:1px solid rgba(255,255,255,.04);
  transition:all .18s;
}
.main-nav a:hover{
  background:#1a2330;
  color:var(--text);
}

.menu-toggle{ display:none; }

/* HERO */
.hero.centered{
  text-align:center;
  padding:90px 20px;
}
.hero-inner h1{
  font-size:clamp(30px,4vw,48px);
  line-height:1.12;margin-bottom:16px;font-weight:800;
}
.sub{color:var(--muted);margin-bottom:24px;font-size:1.1rem}
.bigger-quote{
  font-size:1.1rem;
  color:var(--muted);
  margin-top:20px;
  max-width:760px;
  margin-left:auto;margin-right:auto;
  line-height:1.55;font-style:italic;
}

/* BUTTON */
.btn{ display:inline-flex;padding:.75rem 1.2rem;border-radius:999px;font-weight:700;text-decoration:none;align-items:center}
.btn-primary{background:var(--accent);color:#06260f}
.btn-primary:hover{background:var(--accent2)}

/* CTA ROW */
.cta-row{
  display:flex;
  justify-content:center;
  gap:12px;
  flex-wrap:wrap;
  margin-top:20px;
}

/* SECTIONS */
.section{padding:70px 0}

.section > .container > h2{
  margin-bottom:32px;
}

/* GRID */
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:28px;
}
.grid-4{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
}

/* GENERAL CARDS */
.info-card{
  border-radius:var(--radius);
  padding:38px;
  min-height:170px;
  display:flex;
  flex-direction:column;
  justify-content:flex-start;
  align-items:flex-start;
  gap:18px;
}

.about-card{
  background:var(--glass-bg);
  border:1px solid var(--glass-border);
  backdrop-filter:blur(var(--glass-blur));
  box-shadow:
    0 0 12px rgba(0,0,0,0.25),
    inset 0 0 25px rgba(53,194,107,0.05);
  transition:all .35s ease;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.about-card i{
  color:var(--accent);
  width:32px;
  height:32px;
}

/* --------------------------------------- */
/* 1) FIRST 3 CARDS CENTERED (#about)     */
/* --------------------------------------- */

#about .about-card {
  text-align: center;
  align-items: center;
}

#about .about-card i {
  margin-left: auto;
  margin-right: auto;
}

#about .about-card h3,
#about .about-card p {
  text-align: center;
}

/* --------------------------------------- */
/* ROLES SECTION                           */
/* --------------------------------------- */

.roles-block{
  background:rgba(255,255,255,0.02);
  padding:40px 0;
}
.roles-title{
  text-align:center;
  font-size:2rem;
  margin-bottom:26px;
}

.roles-two-col{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:36px;
  align-items:start;
}

.roles-col{
  display:flex;
  flex-direction:column;
}

.col-heading{
  font-size:1.45rem;
  font-weight:800;
  margin-bottom:18px;
  text-align:center;
}

.role-panel{
  display:flex;
  gap:20px;
  align-items:flex-start;
  background:var(--panel2);
  border-radius:20px;
  padding:38px;
  min-height:170px;
  margin-bottom:24px;
  border:1px solid rgba(255,255,255,0.08);
  transition:all .3s ease-out;
  text-decoration:none;
  color:var(--text);
}
.role-icon svg{
  width:32px;
  height:32px;
  color:var(--accent);
}
.role-body h4{
  margin:0 0 8px 0;
  font-size:1.25rem;
  font-weight:700;
}
.role-body p{
  margin:0;
  color:var(--muted);
  line-height:1.55;
}

/* CONTACT */
.contact-wrapper{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:20px;
}
.contact-email{
  color:var(--muted);
  text-decoration:none;
}
.contact-email:hover{
  color:var(--accent);
}

/* FOOTER */
.site-footer{
  padding:28px 0;
  border-top:1px solid rgba(255,255,255,.06);
}
.footer-inner{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
}
.footer-left{color:var(--muted);}
.footer-right{color:var(--muted);}

/* REVEAL */
.reveal{
  opacity:0;
  transform:translateY(30px);
  transition:all .8s ease-out;
}
.reveal.visible{
  opacity:1;
  transform:translateY(0);
}

/* MOBILE */
@media (max-width:900px){
  .grid-3{
    grid-template-columns:1fr;
  }
  .grid-4{
    grid-template-columns:1fr;
  }

  .roles-two-col{
    grid-template-columns:1fr;
    gap:24px;
  }

  .main-nav{ display:none; }
  .menu-toggle{ display:block; margin-left:auto; }

  .main-nav.open{
    display:flex;
    flex-direction:column;
    position:absolute;
    right:20px;
    top:70px;
    background:var(--panel2);
    padding:12px;
    border-radius:12px;
    box-shadow:0 8px 28px rgba(0,0,0,.35);
  }
}

/* ------------------------------------------------ */
/* 2) HOW CARDS — BIGGER, CENTERED, ALIGNED        */
/* ------------------------------------------------ */

#how .info-card{
  display:flex !important;
  flex-direction:column !important;
  align-items:center;
  justify-content:flex-start;
  text-align:center;

  border-radius:18px;
  padding:48px 32px;

  gap:28px;
  min-height:400px;
}

#how .info-card h3{
  margin:0;
  font-size:2rem;
  font-weight:800;
}

#how .info-card h4{
  margin:0;
  font-size:1.35rem;
  font-weight:700;
  line-height:1.50;
}

#how .info-card p{
  margin:0;
  color:var(--muted);
  font-size:1.05rem;
  line-height:1.55;
}
/* Strong dark-green glow */
:root{
  --glow-dark: rgba(0, 90, 36, 1);        /* πολύ έντονο σκούρο πράσινο */
  --glow-bright: rgba(0, 255, 120, 0.55); /* φωτεινή πράσινη λάμψη */
}

.info-card,
.role-panel,
.about-card {
  transition: box-shadow .32s ease, transform .18s ease, border-color .18s ease;
  will-change: box-shadow, transform;
}

/* Hover + keyboard focus */
.info-card:hover,
.role-panel:hover,
.about-card:hover,
.info-card:focus-visible,
.role-panel:focus-visible,
.about-card:focus-visible {
  transform: translateY(-7px);
  border-color: rgba(0, 200, 110, 1);
  box-shadow:
    0 14px 32px rgba(0,0,0,0.55),    /* δυνατή σκιά για βάθος */
    0 0 22px var(--glow-dark),       /* σκούρο, έντονο εσωτερικό glow */
    0 0 55px var(--glow-bright);     /* μεγάλο, φωτεινό πράσινο halo */
  outline: none;
}

/* Optional: ακόμη πιο έντονο για active state */
.role-panel:active,
.role-panel:focus {
  box-shadow:
    0 18px 38px rgba(0,0,0,0.6),
    0 0 28px var(--glow-dark),
    0 0 70px var(--glow-bright);
}

/* Μόνο για την κάρτα 1 στο “Πώς λειτουργεί” */
#how .grid-4 .info-card:nth-child(1) {
  padding-top: 80px;  /* αύξησε για να κατέβει το κείμενο */
}

/* Μόνο για την κάρτα 4 στο “Πώς λειτουργεί” */
#how .grid-4 .info-card:nth-child(4) {
  padding-top: 80px;  /* αύξησε για να κατέβει το κείμενο */
}

/* Ανέβασμα τίτλου στην κάρτα 1 */
#how .grid-4 .info-card:nth-child(1) h4 {
  margin-top: -6px; /* ανέβασε τον τίτλο — άλλαξε την τιμή αν θέλεις πιο πολύ */
}

/* Ανέβασμα τίτλου στην κάρτα 4 */
#how .grid-4 .info-card:nth-child(4) h4 {
  margin-top: -6px;
}
/* ---------- Make everything non-selectable ---------- */
html, body,
.container,
.page-container,
.info-card, .about-card, .role-panel, .role-body, .about-card * {
  -webkit-user-select: none !important;
  -moz-user-select: none !important;
  -ms-user-select: none !important;
  user-select: none !important;
}

/* cursor for clickable cards */
.info-card, .about-card, .role-panel {
  cursor: pointer;
}

/* ensure anchor-style for card links if we ever wrap them */
.card-link {
  display: block;
  color: inherit;
  text-decoration: none;
}

/* keyboard focus visible (preserve accessibility) */
.info-card:focus-visible,
.role-panel:focus-visible,
.about-card:focus-visible {
  outline: 3px solid rgba(53,194,107,0.18);
  outline-offset: 4px;
}