/* ==========================================================================
   DoubleCheck — Erasmus+ Training for Youth Workers 2026
   Mindspark Plus · static bilingual site (EL / EN)
   ========================================================================== */

:root{
  --navy:#172D4B;
  --navy-900:#0E1D33;
  --navy-700:#22406B;
  --yellow:#D4B707;
  --yellow-soft:#F2D64B;
  --ink:#12203a;
  --muted:#5C6A80;
  --line:#E3E7EE;
  --bg:#FFFFFF;
  --bg-soft:#F6F8FB;
  --radius:14px;
  --maxw:1180px;
  --shadow:0 1px 2px rgba(16,32,58,.05), 0 12px 32px rgba(16,32,58,.07);
  --font:"Inter","Helvetica Neue",Helvetica,Arial,"Noto Sans",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:86px;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg);color:var(--ink);
  font-family:var(--font);font-size:17px;line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--navy-700)}

/* ---------- language switching ---------- */
html[data-lang="el"] .lang-en{display:none !important}
html[data-lang="en"] .lang-el{display:none !important}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.94);
  backdrop-filter:saturate(160%) blur(10px);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;flex:0 0 auto;text-decoration:none}
.brand img{height:30px;width:auto}
.nav{margin-left:auto;display:flex;align-items:center;gap:4px}
.nav a{
  text-decoration:none;color:var(--navy);font-weight:600;font-size:15px;
  padding:9px 13px;border-radius:9px;letter-spacing:.005em;white-space:nowrap;
}
.nav a:hover{background:var(--bg-soft)}
.nav a.active{background:var(--navy);color:#fff}

.lang-switch{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden;margin-left:10px;flex:0 0 auto}
.lang-switch button{
  border:0;background:#fff;color:var(--muted);font:inherit;font-size:13px;font-weight:700;
  padding:7px 13px;cursor:pointer;letter-spacing:.06em;
}
.lang-switch button[aria-pressed="true"]{background:var(--yellow);color:var(--navy)}

.burger{
  display:none;margin-left:auto;border:1px solid var(--line);background:#fff;
  width:44px;height:40px;border-radius:10px;cursor:pointer;padding:0;
}
.burger span{display:block;width:19px;height:2px;background:var(--navy);margin:4px auto;border-radius:2px}

/* ---------- hero ---------- */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background:
    radial-gradient(1100px 520px at 78% -10%, rgba(212,183,7,.28), transparent 62%),
    linear-gradient(160deg,#0E1D33 0%,#172D4B 52%,#22406B 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.07;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:56px 56px;
}
.hero-inner{position:relative;z-index:2;padding:74px 0 66px}
.hero-logo{width:min(430px,84vw);margin-bottom:30px}
.eyebrow{
  display:flex;align-items:center;gap:11px;font-size:12px;font-weight:700;
  letter-spacing:.13em;text-transform:uppercase;color:var(--yellow-soft);margin:0 0 18px;
}
.eyebrow::before{content:"";flex:0 0 auto;width:26px;height:2px;background:var(--yellow)}
.eyebrow span{flex:1 1 auto}
.hero .eyebrow{max-width:none}
h1{
  font-size:clamp(2.1rem,5.2vw,3.5rem);line-height:1.08;letter-spacing:-.02em;
  margin:0 0 20px;font-weight:800;
}
.hero p{font-size:clamp(1.02rem,1.7vw,1.16rem);color:#D7E0EE;max-width:62ch;margin:0 0 16px}
.hero .cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}

.btn{
  display:inline-flex;align-items:center;gap:9px;text-decoration:none;
  font-weight:700;font-size:15px;padding:13px 22px;border-radius:11px;
  border:1px solid transparent;cursor:pointer;transition:transform .15s ease, background .15s ease;
}
.btn:hover{transform:translateY(-1px)}
.btn-primary{background:var(--yellow);color:var(--navy)}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.35)}
.btn-ghost:hover{background:rgba(255,255,255,.09)}
.btn-dark{background:var(--navy);color:#fff}

/* ---------- fact strip ---------- */
.facts{background:var(--navy-900);color:#fff;border-top:1px solid rgba(255,255,255,.08)}
.facts .wrap{display:grid;grid-template-columns:repeat(4,1fr);gap:2px;padding-top:0;padding-bottom:0}
.fact{padding:26px 8px 26px 0}
.fact b{display:block;font-size:1.45rem;font-weight:800;letter-spacing:-.015em;color:var(--yellow-soft);line-height:1.2}
.fact > span{display:inline-block;font-size:13px;color:#A9B8CC;letter-spacing:.04em;text-transform:uppercase;font-weight:600;margin-top:4px}

/* ---------- sections ---------- */
section{padding:82px 0;scroll-margin-top:80px}
section.alt{background:var(--bg-soft);border-block:1px solid var(--line)}
.section-head{max-width:74ch;margin-bottom:44px}
.kicker{
  display:block;font-size:12.5px;font-weight:800;letter-spacing:.16em;text-transform:uppercase;
  color:var(--yellow);margin-bottom:12px;
}
h2{font-size:clamp(1.65rem,3.4vw,2.35rem);line-height:1.18;letter-spacing:-.02em;margin:0 0 14px;font-weight:800}
h3{font-size:1.16rem;margin:0 0 8px;font-weight:750;letter-spacing:-.01em}
.lead{font-size:1.08rem;color:var(--muted);margin:0}
p{margin:0 0 14px}

/* ---------- pillars ---------- */
.pillars{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.pillar{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px 30px;position:relative;overflow:hidden;box-shadow:var(--shadow);
}
.pillar::before{content:"";position:absolute;left:0;top:0;width:100%;height:4px;background:var(--yellow)}
.pillar .num{
  font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--muted);
  text-transform:uppercase;display:block;margin-bottom:10px;
}
.pillar h3{font-size:1.3rem;color:var(--navy);margin-bottom:10px}
.pillar p{color:var(--muted);font-size:.98rem;margin:0}

/* ---------- video ---------- */
.video-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.video-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow)}
.video-card .meta{padding:16px 18px 18px}
.video-card .meta h3{font-size:1rem;margin-bottom:4px}
.video-card .meta p{font-size:.9rem;color:var(--muted);margin:0}
.yt{
  position:relative;aspect-ratio:16/9;background:#0b1524 center/cover no-repeat;
  cursor:pointer;border:0;padding:0;width:100%;display:block;
}
.yt iframe{position:absolute;inset:0;width:100%;height:100%;border:0}
.yt .play{
  position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);
  width:70px;height:49px;border-radius:12px;background:rgba(23,45,75,.86);
  display:grid;place-items:center;transition:background .15s ease,transform .15s ease;
}
.yt:hover .play{background:var(--yellow);transform:translate(-50%,-50%) scale(1.05)}
.yt .play svg{width:22px;height:22px;fill:#fff}
.yt:hover .play svg{fill:var(--navy)}
.video-feature{max-width:900px;margin:0 auto}

/* ---------- programme timeline ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{content:"";position:absolute;left:31px;top:10px;bottom:10px;width:2px;background:var(--line)}
.day{position:relative;padding:0 0 6px 78px;margin-bottom:10px}
.day .dot{
  position:absolute;left:0;top:2px;width:64px;height:64px;border-radius:50%;
  background:#fff;border:2px solid var(--line);display:grid;place-items:center;
  font-weight:800;color:var(--navy);line-height:1;text-align:center;
}
.day .dot small{display:block;font-size:9.5px;letter-spacing:.1em;color:var(--muted);font-weight:700;text-transform:uppercase}
.day .dot b{font-size:1.28rem}
.day.is-highlight .dot{background:var(--yellow);border-color:var(--yellow)}
.day-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 22px 22px;box-shadow:var(--shadow)}
.day-card h3{color:var(--navy)}
.day-card .tag{
  display:inline-block;font-size:12px;font-weight:700;color:var(--navy-700);
  background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;
  padding:4px 11px;margin-bottom:10px;
}
.day-card p{margin:0;color:var(--muted);font-size:.97rem}

/* ---------- partners ---------- */
.partner-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.partner{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 26px 24px;display:flex;flex-direction:column;box-shadow:var(--shadow);
}
.partner.lead-org{border-color:var(--yellow);border-width:2px}
.partner .role{
  font-size:11.5px;font-weight:800;letter-spacing:.13em;text-transform:uppercase;
  color:var(--yellow);margin-bottom:10px;
}
.partner .role.pt{color:var(--muted)}
.partner h3{font-size:1.18rem;color:var(--navy);margin-bottom:6px}
.partner .where{font-size:.9rem;color:var(--muted);font-weight:600;margin-bottom:12px;display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.flag{font-size:1.05rem;line-height:1}
.oid{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11.5px;background:var(--bg-soft);border:1px solid var(--line);border-radius:6px;padding:2px 7px;color:var(--muted)}
.partner p{font-size:.95rem;color:var(--muted);flex:1}
.partner .link{margin-top:14px;font-weight:700;font-size:.93rem;text-decoration:none;color:var(--navy);display:inline-flex;align-items:center;gap:7px}
.partner .link:hover{color:var(--yellow)}
.partner .link::after{content:"→";transition:transform .15s ease}
.partner .link:hover::after{transform:translateX(3px)}

/* ---------- resources ---------- */
.res-block{margin-bottom:56px}
.res-block:last-child{margin-bottom:0}
.res-block h3{font-size:1.3rem;color:var(--navy);margin-bottom:6px}
.res-block .sub{color:var(--muted);font-size:.98rem;margin-bottom:22px;max-width:70ch}

.link-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;list-style:none;padding:0;margin:0}
.link-list a{
  display:block;background:#fff;border:1px solid var(--line);border-radius:12px;
  padding:18px 20px;text-decoration:none;color:inherit;transition:border-color .15s ease,transform .15s ease;
  height:100%;
}
.link-list a:hover{border-color:var(--navy);transform:translateY(-2px)}
.link-list .src{font-size:11.5px;font-weight:800;letter-spacing:.11em;text-transform:uppercase;color:var(--yellow);display:block;margin-bottom:7px}
.link-list strong{display:block;font-size:1rem;color:var(--navy);line-height:1.35;margin-bottom:5px;font-weight:700}
.link-list span.desc{font-size:.88rem;color:var(--muted)}

/* ---------- podcasts ---------- */
.podcast-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.podcast-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.podcast-item iframe{border-radius:12px;width:100%;border:0;display:block}
.podcast-item .cap{font-size:.9rem;color:var(--muted);margin:12px 4px 2px}
.podcast-item .cap strong{display:block;color:var(--navy);font-size:1rem;margin-bottom:2px}
.podcast-item.is-wide{grid-column:1 / -1}

.media-partners{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.media-partner{background:#fff;border:1px solid var(--line);border-left:3px solid var(--yellow);border-radius:12px;padding:18px 20px}
.media-partner strong{display:block;color:var(--navy);font-size:1rem}
.media-partner span{display:block;font-size:.9rem;color:var(--muted);margin-top:3px}
.media-partner a{font-size:.88rem;font-weight:600;text-decoration:none;color:var(--navy-700);margin-top:8px;display:inline-block}

/* ---------- gallery ---------- */
.gallery-banner{
  position:relative;border-radius:var(--radius);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);
}
.gallery-banner img{width:100%;height:clamp(240px,42vw,440px);object-fit:cover}
.gallery-banner .overlay{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;
  padding:32px;background:linear-gradient(to top,rgba(14,29,51,.9) 0%,rgba(14,29,51,.15) 55%,transparent 100%);color:#fff;
}
.gallery-banner .overlay h3{font-size:clamp(1.2rem,2.6vw,1.7rem);margin-bottom:6px;color:#fff}
.gallery-banner .overlay p{color:#D7E0EE;font-size:.96rem;margin-bottom:16px;max-width:52ch}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.chip{
  font-size:12.5px;font-weight:700;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:7px 14px;color:var(--navy);
}
.photo-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:18px}
.photo-grid a{display:block;border-radius:10px;overflow:hidden;border:1px solid var(--line)}
.photo-grid img{aspect-ratio:3/2;object-fit:cover;width:100%;transition:transform .3s ease}
.photo-grid a:hover img{transform:scale(1.05)}

/* ---------- contact ---------- */
.contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:start}
.contact-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow)}
.contact-card h3{color:var(--navy);font-size:1.25rem}
.contact-card dl{margin:20px 0 0;display:grid;grid-template-columns:auto 1fr;gap:10px 20px;font-size:.96rem}
.contact-card dt{font-weight:700;color:var(--navy);white-space:nowrap}
.contact-card dd{margin:0;color:var(--muted)}
.contact-card dd a{color:var(--navy-700);font-weight:600}
.social-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:24px}

/* ---------- footer ---------- */
.site-footer{background:var(--navy-900);color:#C7D3E3;padding:56px 0 34px;font-size:.92rem}
.footer-top{display:grid;grid-template-columns:1.1fr 1fr;gap:40px;align-items:start;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-logo{width:250px;margin-bottom:16px}
.footer-nav{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:6px}
.footer-nav a{color:#C7D3E3;text-decoration:none;font-weight:600}
.footer-nav a:hover{color:var(--yellow-soft)}
.eu-logos{display:flex;flex-wrap:wrap;align-items:center;gap:26px}
.eu-logos img{background:#fff;border-radius:8px;padding:10px 14px;height:66px;width:auto;object-fit:contain}
.disclaimer{font-size:12.5px;line-height:1.6;color:#93A5BC;margin-top:26px;max-width:100ch}
.copyright{margin-top:22px;font-size:12.5px;color:#7E90A8;display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:space-between}
.copyright a{color:#93A5BC}

.skip{position:absolute;left:-9999px}
.skip:focus{left:16px;top:12px;z-index:99;background:var(--yellow);color:var(--navy);padding:10px 16px;border-radius:8px;font-weight:700}

/* ---------- responsive ---------- */
@media (max-width:980px){
  .pillars,.partner-grid,.video-grid,.contact-grid,.media-partners,.link-list,.footer-top,.podcast-grid{grid-template-columns:1fr}
  .facts .wrap{grid-template-columns:repeat(2,1fr)}
  .photo-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .burger{display:block}
  .nav{
    position:fixed;inset:72px 0 auto 0;background:#fff;flex-direction:column;align-items:stretch;
    gap:0;padding:10px 18px 20px;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(16,32,58,.1);display:none;
  }
  .nav.open{display:flex}
  .nav a{padding:14px 12px;font-size:16px;border-bottom:1px solid var(--line)}
  .nav a:last-of-type{border-bottom:0}
  .lang-switch{margin:12px 0 0;align-self:flex-start}
  .header-inner{gap:12px}
  section{padding:60px 0}
  .day{padding-left:60px}
  .day .dot{width:50px;height:50px}
  .day .dot b{font-size:1.05rem}
  .timeline::before{left:24px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *{transition:none !important}
}
@media print{
  .site-header,.yt,.hero::after{display:none}
  body{font-size:12pt}
}