/* ── RESET & BASE ─────────────────────────────────────────── */
html { scroll-behavior: smooth; }
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: 'Manrope', Arial, sans-serif; background: #fff; color: #111; }
:root { --grn: #2E7D32; --grn-m: #4CAF50; --org: #E65100; --org-m: #FF6D00; }

/* ACCESSIBILITY */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
button:focus-visible, a:focus-visible, summary:focus-visible { outline: 2px solid #4CAF50; outline-offset: 2px; border-radius: 4px; }

/* ── NAV ──────────────────────────────────────────────────── */
.nav { position: sticky; top: 0; z-index: 100; background: #0d0d0d; border-bottom: 1px solid #222; display: flex; align-items: center; justify-content: space-between; padding: 0.7rem 1.5rem; }
.nav-logo { display: flex; align-items: center; gap: 0.75rem; }
.nav-logo-20 { font-size: 22px; font-weight: 900; color: #fff; letter-spacing: -1px; line-height: 1; }
.nav-logo-20-img { height: 30px; width: auto; display: block; }
.nav-logo-sub { font-size: 8px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: #4CAF50; }
.nav-x { font-size: 12px; color: #444; padding: 0 0.4rem; }
.nav-logo-el { font-size: 17px; font-weight: 900; color: #FF6D00; letter-spacing: -0.5px; }
.nav-logo-el-img { height: 20px; width: auto; display: block; }
.nav-links { display: flex; align-items: center; gap: 1.25rem; }
.nav-right { display: flex; align-items: center; gap: 1.25rem; }
.nav-toggle, .nav-burger { display: none; }
.nav-link { font-size: 11px; font-weight: 600; letter-spacing: 0.5px; text-transform: uppercase; color: rgba(255,255,255,0.5); background: none; border: none; cursor: pointer; transition: color 0.2s; text-decoration: none; display: inline-block; }
.nav-link:hover { color: #fff; }
.nav-cta { background: #E65100; color: #fff; border: none; padding: 0.5rem 1.2rem; border-radius: 100px; font-size: 11px; font-weight: 700; cursor: pointer; letter-spacing: 0.5px; text-transform: uppercase; text-decoration: none; display: inline-block; }
.nav-cta:hover { background: #BF360C; }

/* ── HERO ─────────────────────────────────────────────────── */
.hero { position: relative; height: 480px; overflow: hidden; }
.hero-img { width: 100%; height: 100%; object-fit: cover; object-position: center top; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(105deg, rgba(27,94,32,0.72) 0%, rgba(0,0,0,0.4) 45%, rgba(191,54,12,0.65) 100%); }
.hero-content { position: absolute; inset: 0; display: flex; flex-direction: column; justify-content: flex-end; padding: 2rem 1.75rem; }
.event-tag { display: inline-flex; align-items: center; gap: 6px; background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25); border-radius: 100px; padding: 0.3rem 0.9rem; margin-bottom: 0.85rem; width: fit-content; }
.tag-dot { width: 7px; height: 7px; border-radius: 50%; background: #4CAF50; animation: pulse 1.8s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.4; } }
.tag-txt { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: #fff; }
.hero-h1 { font-size: 32px; font-weight: 900; color: #fff; line-height: 1.05; letter-spacing: -0.5px; margin-bottom: 0.5rem; }
.go { color: #69F070; } /* 20' Workout — πράσινο */
.oo { color: #FF6D00; } /* e-lektron — πορτοκαλί */
.hero-sub { font-size: 14px; color: rgba(255,255,255,0.7); margin-bottom: 1.5rem; max-width: 460px; line-height: 1.5; }
.cta-row { display: flex; gap: 0.75rem; flex-wrap: wrap; }
.btn-g { background: #E65100; color: #fff; border: none; padding: 0.75rem 1.6rem; border-radius: 100px; font-size: 13px; font-weight: 700; cursor: pointer; text-decoration: none; display: inline-block; }
.btn-g:hover { background: #BF360C; }
.btn-o { background: rgba(230,81,0,0.15); color: #FFB07C; border: 1.5px solid rgba(255,176,124,0.5); padding: 0.7rem 1.4rem; border-radius: 100px; font-size: 13px; font-weight: 700; cursor: pointer; text-decoration: none; display: inline-block; }
.btn-o:hover { background: rgba(230,81,0,0.28); }

/* ── BRAND SPLIT ──────────────────────────────────────────── */
.split { display: grid; grid-template-columns: 1fr 1fr; }
.sp-l { background: #111; padding: 1.25rem 1.5rem; border-right: 1px solid #222; }
.sp-r { background: #FFF8F3; padding: 1.25rem 1.5rem; }
.sp-eye { font-size: 9px; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 0.3rem; }
.sp-eye-g { color: #4CAF50; }
.sp-eye-o { color: #E65100; }
.sp-brand { font-size: 19px; font-weight: 900; letter-spacing: -0.5px; margin-bottom: 0.2rem; }
.sp-brand-g { color: #fff; }
.sp-brand-o { color: #E65100; }
.sp-brand-logo { display: block; width: auto; margin: 2px 0 8px; }
.sp-brand-logo-20 { height: 30px; }
.sp-brand-logo-el { height: 32px; }
.sp-desc { font-size: 12px; line-height: 1.45; }
.sp-desc-g { color: rgba(255,255,255,0.65); }
.sp-desc-o { color: #8a4a2a; }
.sp-role { font-size: 10px; font-weight: 700; letter-spacing: 0.5px; margin-top: 0.4rem; }
.sp-role-g { color: #4CAF50; }
.sp-role-o { color: #E65100; }

/* ── PHOTOS STRIP ─────────────────────────────────────────── */
.photos-strip { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 3px; background: #111; }
.ps-item { position: relative; overflow: hidden; aspect-ratio: 4/3; }
.ps-item img { width: 100%; height: 100%; object-fit: cover; }
.ps-ov-g { position: absolute; inset: 0; background: rgba(27,94,32,0.35); }
.ps-ov-o { position: absolute; inset: 0; background: rgba(191,54,12,0.3); }
.ps-ov-n { position: absolute; inset: 0; background: rgba(0,0,0,0.25); }
.ps-item img.ps-logo-tl, .ps-item img.ps-logo-br { position: absolute; z-index: 2; height: auto; object-fit: contain; pointer-events: none; filter: drop-shadow(0 1px 3px rgba(0,0,0,0.55)); }
.ps-item img.ps-logo-tl { top: 7%; left: 6%; width: 30%; }
.ps-item img.ps-logo-br { bottom: 7%; right: 6%; width: 26%; }

/* ── WHO SECTION ──────────────────────────────────────────── */
.who-sec { padding: 2.5rem 1.5rem; background: #fff; }
.sec-inner { max-width: 660px; margin: 0 auto; }
.sec-eye { font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: #2E7D32; margin-bottom: 0.35rem; }
.sec-title { font-size: 28px; font-weight: 800; color: #111; margin-bottom: 1.5rem; line-height: 1.2; }

.who-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.who-card { border-radius: 14px; padding: 1.5rem; border: 1px solid #e0e0e0; }
.who-card-a { background: #0d0d0d; border-color: #2E7D32; }
.who-card-b { background: #FFF3E0; border-color: #FFCC80; }
.who-card-icon { font-size: 24px; margin-bottom: 0.6rem; }
.who-title-g { font-size: 14px; font-weight: 800; color: #fff; margin-bottom: 0.5rem; }
.who-title-o { font-size: 14px; font-weight: 800; color: #7a2e00; margin-bottom: 0.5rem; }
.who-desc-g { font-size: 13.5px; color: rgba(255,255,255,0.7); line-height: 1.5; margin-bottom: 0.75rem; }
.who-desc-o { font-size: 13.5px; color: #8a4a2a; line-height: 1.5; margin-bottom: 0.75rem; }
.who-list { list-style: none; display: flex; flex-direction: column; gap: 0.35rem; }
.who-list li { font-size: 13.5px; padding-left: 1rem; position: relative; line-height: 1.4; }
.wl-g li { color: rgba(255,255,255,0.75); }
.wl-g li::before { content: '›'; position: absolute; left: 0; color: #4CAF50; font-weight: 700; }
.wl-o li { color: #7a3a10; }
.wl-o li::before { content: '›'; position: absolute; left: 0; color: #E65100; font-weight: 700; }

/* ── BENEFITS ─────────────────────────────────────────────── */
.benefits-sec { background: #f5f5f2; padding: 2.5rem 1.5rem; }
.benefits-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem; }
.ben-card { background: #fff; border-radius: 12px; padding: 1.1rem 1.25rem; border: 0.5px solid #e0e0e0; display: flex; gap: 0.75rem; align-items: flex-start; }
.ben-icon { width: 36px; height: 36px; border-radius: 8px; display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.ben-icon-g { background: #E8F5E9; }
.ben-icon-g i { color: #2E7D32; font-size: 16px; }
.ben-icon-o { background: #FFF3E0; }
.ben-icon-o i { color: #E65100; font-size: 16px; }
.ben-title { font-size: 13px; font-weight: 700; color: #111; margin-bottom: 0.2rem; }
.ben-desc { font-size: 13px; color: #666; line-height: 1.4; }

/* ── CERT BANNER ──────────────────────────────────────────── */
.cert-banner { background: linear-gradient(135deg, #1B5E20, #2E7D32); padding: 1.75rem 1.5rem; text-align: center; }
.cert-icon { font-size: 32px; color: #A5D6A7; margin-bottom: 0.5rem; }
.cert-title { font-size: 17px; font-weight: 800; color: #fff; margin-bottom: 0.35rem; }
.cert-sub { font-size: 13px; color: rgba(255,255,255,0.7); line-height: 1.5; }
.cert-badge { display: inline-flex; align-items: center; gap: 0.5rem; background: rgba(255,255,255,0.15); border: 1px solid rgba(255,255,255,0.3); border-radius: 100px; padding: 0.35rem 1rem; margin-top: 0.75rem; }
.cert-badge-txt { font-size: 11px; font-weight: 700; color: #fff; letter-spacing: 0.5px; }

/* ── AGENDA ───────────────────────────────────────────────── */
.ag-sec { background: #f0f0ee; padding: 2.5rem 1.5rem; }
.skel-hd { display: flex; align-items: center; gap: 0.5rem; padding: 0.55rem 0.9rem; border-radius: 8px; margin-bottom: 0.75rem; }
/* Σκέλος Α = χρώματα e-lektron (πορτοκαλί) · Σκέλος Β = χρώματα 20' Workout (πράσινο) */
.skel-g { background: #111; border-left: 3px solid #E65100; } /* Σκέλος Α — e-lektron accent */
.skel-o { background: #2E7D32; margin-top: 1.25rem; }          /* Σκέλος Β — 20' Workout */
.skel-lbl { font-size: 10px; font-weight: 800; letter-spacing: 1px; text-transform: uppercase; color: #fff; }
.skel-sub { font-size: 9px; color: rgba(255,255,255,0.4); margin-left: auto; }
.ag-rows { display: flex; flex-direction: column; gap: 0.4rem; margin-bottom: 0.5rem; }
.ag-row { display: grid; grid-template-columns: 68px 1fr; gap: 0.5rem; align-items: start; }
.ag-time-g { background: #E65100; color: rgba(255,255,255,0.9); font-size: 10px; font-weight: 700; border-radius: 5px; padding: 0.28rem 0.4rem; text-align: center; } /* Σκέλος Α — e-lektron πορτοκαλί */
.ag-time-o { background: #2E7D32; color: rgba(255,255,255,0.9); font-size: 10px; font-weight: 700; border-radius: 5px; padding: 0.28rem 0.4rem; text-align: center; } /* Σκέλος Β — 20' Workout πράσινο */
.ag-txt { font-size: 14px; color: #333; padding-top: 0.15rem; line-height: 1.4; }
.ag-brand { font-size: 10px; color: #2E7D32; font-weight: 700; margin-top: 1px; }
.ag-brand-o { font-size: 10px; color: #E65100; font-weight: 700; margin-top: 1px; }
.ag-spk { font-size: 10px; color: #888; margin-top: 1px; font-style: italic; }

/* ── SPEAKERS ─────────────────────────────────────────────── */
.sp-sec { background: #111; padding: 2.5rem 1.5rem; }
.sp-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.6rem; }
.sp-card { background: rgba(255,255,255,0.04); border: 0.5px solid rgba(255,255,255,0.1); border-radius: 10px; padding: 1rem; text-align: center; }
.sp-av { width: 40px; height: 40px; border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 0.5rem; }
.sp-av-g { background: rgba(46,125,50,0.2); border: 0.5px solid rgba(76,175,80,0.4); }
.sp-av-g i { font-size: 17px; color: #4CAF50; }
.sp-av-o { background: rgba(230,81,0,0.2); border: 0.5px solid rgba(255,109,0,0.4); }
.sp-av-o i { font-size: 17px; color: #FF6D00; }
.sp-role-lbl { font-size: 9px; font-weight: 700; letter-spacing: 0.5px; margin-bottom: 0.2rem; color: #4CAF50; }
.sp-role-o-lbl { font-size: 9px; font-weight: 700; letter-spacing: 0.5px; margin-bottom: 0.2rem; color: #FF6D00; }
.sp-name { font-size: 12px; font-weight: 700; color: #fff; margin-bottom: 0.2rem; }
.sp-topic { font-size: 12px; color: rgba(255,255,255,0.65); line-height: 1.4; }

/* ── FAQ ──────────────────────────────────────────────────── */
.faq-sec { background: #f9f9f7; padding: 2.5rem 1.5rem; }
.faq-list { display: flex; flex-direction: column; gap: 0.5rem; }
.faq-item { border: 1px solid #e0e0e0; border-radius: 10px; background: #fff; overflow: hidden; }
.faq-item[open] { border-color: #4CAF50; }
.faq-q { font-size: 14px; font-weight: 700; color: #111; padding: 1rem 1.25rem; cursor: pointer; list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.faq-q::-webkit-details-marker { display: none; }
.faq-q::after { content: '+'; font-size: 20px; color: #2E7D32; font-weight: 400; flex-shrink: 0; line-height: 1; }
.faq-item[open] .faq-q::after { content: '−'; }
.faq-a { font-size: 13.5px; color: #555; line-height: 1.6; padding: 0 1.25rem 1rem; border-top: 1px solid #f0f0f0; padding-top: 0.75rem; }

/* ── TICKETS ──────────────────────────────────────────────── */
.ticket-sec { background: linear-gradient(135deg, #1a1a1a 0%, #0d2010 50%, #1a0d00 100%); padding: 3rem 1.75rem; text-align: center; }
.ticket-eye { font-size: 10px; letter-spacing: 3px; text-transform: uppercase; color: #4CAF50; margin-bottom: 0.5rem; }
.ticket-title { font-size: 24px; font-weight: 900; color: #fff; margin-bottom: 0.5rem; letter-spacing: -0.5px; }
.ticket-sub { font-size: 13px; color: rgba(255,255,255,0.7); margin-bottom: 1.75rem; line-height: 1.5; }
.spots-badge { display: inline-flex; align-items: center; gap: 0.4rem; background: rgba(230,81,0,0.15); border: 1px solid rgba(230,81,0,0.3); border-radius: 100px; padding: 0.25rem 0.75rem; margin-bottom: 1.5rem; }
.spots-dot { width: 6px; height: 6px; border-radius: 50%; background: #E65100; animation: pulse 1.4s infinite; }
.spots-txt { font-size: 11px; color: #FFB07C; font-weight: 600; }
.ticket-card { display: inline-block; background: rgba(255,255,255,0.05); border: 1px solid rgba(255,255,255,0.1); border-radius: 16px; padding: 1.75rem 2rem; margin-bottom: 1.5rem; min-width: 260px; text-align: left; }
.ticket-price-label { font-size: 9px; letter-spacing: 2px; text-transform: uppercase; color: rgba(255,255,255,0.35); margin-bottom: 0.25rem; }
.ticket-price { font-size: 52px; font-weight: 900; color: #fff; letter-spacing: -2px; line-height: 1; }
.ticket-price span { font-size: 22px; font-weight: 400; color: rgba(255,255,255,0.5); }
.ticket-price .ticket-price-old { font-size: 26px; font-weight: 700; color: rgba(255,255,255,0.4); text-decoration: line-through; letter-spacing: -0.5px; margin-right: 10px; vertical-align: 6px; }
.ticket-price-note { font-size: 11px; font-weight: 600; color: #FFB07C; margin-top: 8px; letter-spacing: 0.2px; }
.ticket-incl { margin-top: 1rem; list-style: none; display: flex; flex-direction: column; gap: 0.35rem; }
.ticket-incl li { font-size: 13.5px; color: rgba(255,255,255,0.6); padding-left: 1.1rem; position: relative; line-height: 1.4; }
.ticket-incl li::before { content: '✓'; position: absolute; left: 0; color: #4CAF50; font-weight: 700; font-size: 11px; }
.btn-ticket { display: inline-block; background: #E65100; color: #fff; border: none; padding: 1rem 2.5rem; border-radius: 100px; font-size: 15px; font-weight: 700; cursor: pointer; letter-spacing: 0.3px; text-decoration: none; }
.btn-ticket:hover { background: #BF360C; }
.ticket-lead { display: block; margin-top: 0.75rem; font-size: 12px; color: rgba(255,255,255,0.4); text-decoration: none; }
.ticket-lead:hover { color: rgba(255,255,255,0.7); }
.ticket-meta { display: flex; justify-content: center; gap: 1.5rem; margin-top: 1.25rem; flex-wrap: wrap; }
.ticket-meta-item { display: flex; align-items: center; gap: 0.4rem; }
.ticket-meta-item i { font-size: 13px; color: #4CAF50; }
.ticket-meta-item span, .ticket-meta-item a { font-size: 11px; color: rgba(255,255,255,0.7); text-decoration: none; }
.ticket-meta-item a:hover { color: #fff; }
.ticket-eventbrite { font-size: 10px; color: rgba(255,255,255,0.2); margin-top: 0.75rem; }
.ticket-map { margin: 2rem auto 0; max-width: 560px; border-radius: 12px; overflow: hidden; opacity: 0.85; }
.ticket-map iframe { display: block; width: 100%; border: 0; }

/* ── FOOTER ───────────────────────────────────────────────── */
.footer { background: #0a0a0a; padding: 2rem 1.5rem; border-top: 1px solid #1a1a1a; }
.footer-powered-label { font-size: 9px; letter-spacing: 3px; text-transform: uppercase; color: rgba(255,255,255,0.2); text-align: center; margin-bottom: 0.75rem; }
.footer-brands { display: flex; align-items: center; justify-content: center; gap: 1.5rem; flex-wrap: wrap; margin-bottom: 1.25rem; }
.fb20-name { font-size: 20px; font-weight: 900; color: #fff; letter-spacing: -0.5px; line-height: 1; text-align: center; }
.fb20-logo { height: 40px; width: auto; display: block; margin: 0 auto 4px; }
.fb20-sub { font-size: 8px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: #4CAF50; margin-top: 2px; text-align: center; }
.footer-divider { width: 1px; height: 32px; background: rgba(255,255,255,0.1); }
.fbel-name { font-size: 18px; font-weight: 900; color: #FF6D00; letter-spacing: -0.5px; line-height: 1; text-align: center; }
.fbel-logo { height: 28px; width: auto; display: block; margin: 0 auto; }
.fbel-sub { font-size: 8px; letter-spacing: 1.5px; text-transform: uppercase; color: rgba(255,255,255,0.3); margin-top: 2px; text-align: center; }
.footer-bottom { border-top: 0.5px solid #1a1a1a; padding-top: 1rem; text-align: center; }
.footer-links { display: flex; justify-content: center; gap: 1.25rem; margin-bottom: 0.5rem; flex-wrap: wrap; }
.footer-link { font-size: 10px; color: rgba(255,255,255,0.6); text-decoration: none; }
.footer-link:hover { color: rgba(255,255,255,0.9); }
.footer-copy { font-size: 10px; color: rgba(255,255,255,0.15); }

/* ── MOBILE STICKY CTA ────────────────────────────────────── */
.mobile-cta-bar { display: none; position: fixed; bottom: 0; left: 0; right: 0; z-index: 200; background: #111; border-top: 1px solid #333; padding: 0.75rem 1.25rem; }
.mobile-cta-btn { display: block; background: #E65100; color: #fff; border: none; padding: 0.85rem; border-radius: 100px; font-size: 14px; font-weight: 700; cursor: pointer; text-align: center; text-decoration: none; letter-spacing: 0.2px; }
.mobile-cta-btn:hover { background: #BF360C; }

/* ── RESPONSIVE ───────────────────────────────────────────── */
@media (max-width: 640px) {
  .who-grid,
  .benefits-grid { grid-template-columns: 1fr; }
  .sp-grid { grid-template-columns: 1fr 1fr; }
  .split { grid-template-columns: 1fr; }
  .hero { height: auto; min-height: 420px; }
  .hero-h1 { font-size: 28px; }
  .sec-title { font-size: 22px; }
  /* hamburger menu */
  .nav { position: relative; }
  .nav-burger { display: flex; flex-direction: column; justify-content: center; gap: 5px; width: 40px; height: 38px; padding: 0 9px; cursor: pointer; border-radius: 8px; order: 2; }
  .nav-burger span { display: block; height: 2px; width: 100%; background: #fff; border-radius: 2px; transition: transform 0.2s, opacity 0.2s; }
  .nav-cta { order: 1; }
  .nav-links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; align-items: stretch; gap: 0; background: #0d0d0d; border-top: 1px solid #222; border-bottom: 1px solid #222; padding: 0.3rem 1.5rem 0.9rem; box-shadow: 0 10px 24px rgba(0,0,0,0.45); }
  .nav-toggle:checked ~ .nav-links { display: flex; }
  .nav-links .nav-link { display: block; padding: 0.9rem 0; font-size: 14px; letter-spacing: 0.5px; color: rgba(255,255,255,0.85); border-bottom: 1px solid #1b1b1b; }
  .nav-links .nav-link:last-child { border-bottom: none; }
  .nav-toggle:checked ~ .nav-burger span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .nav-toggle:checked ~ .nav-burger span:nth-child(2) { opacity: 0; }
  .nav-toggle:checked ~ .nav-burger span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .ag-row { grid-template-columns: 56px 1fr; }
  body { padding-bottom: 72px; }
  .mobile-cta-bar { display: block; }
}

@media (min-width: 900px) {
  .sec-inner { max-width: 960px; }
  .benefits-grid { grid-template-columns: repeat(3, 1fr); }
  .hero { height: 560px; }
  .hero-h1 { font-size: 44px; }
  .sec-title { font-size: 28px; }
}