:root{--ink:#f5f8ff;--muted:#aebdd0;--line:rgba(151,190,235,.18);--navy:#07111f;--blue:#1877f2;--cyan:#5de0e6;--max:1180px}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:var(--navy);color:var(--ink);font-family:Inter,ui-sans-serif,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.55}
a{color:inherit}
.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}
.eyebrow{margin:0 0 14px;color:var(--cyan);font-size:.78rem;font-weight:800;letter-spacing:.15em;text-transform:uppercase}
.topbar{position:relative;z-index:4;background:var(--navy);padding:18px 0}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between}
.brand{display:flex;gap:12px;align-items:center;font-weight:800;text-decoration:none}
.brand img{width:44px;height:44px;border-radius:50%;object-fit:cover;border:1px solid rgba(255,255,255,.5)}
.social-nav{display:flex;align-items:center;gap:22px}
.mini-link{font-size:.9rem;text-decoration:none;color:#d8e7f8}
.mini-link:hover{text-decoration:underline}
.hero{background:var(--navy);overflow:hidden}
.hero-bg{position:relative;height:420px;overflow:hidden;background:linear-gradient(rgba(7,17,31,.45),rgba(7,17,31,.45)),url('assets/varna-ai-community-cover.jpg') center/cover no-repeat}
.hero-bg:after{content:"";position:absolute;inset:0;background:url('assets/varna-ai-community-cover.jpg') center/contain no-repeat}
.hero-content{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:70px;padding:62px 0 72px}
.hero h1{margin:0 0 24px;font-size:clamp(3.5rem,5vw,4.8rem);font-weight:900;line-height:.94;letter-spacing:-.035em}
.hero h1 span{display:block;color:#d9eaff}
.lead{max-width:590px;margin:0;color:#d9e5f2;font-size:clamp(1.05rem,1.6vw,1.28rem)}
.hero-details{align-self:center}
.date-card{display:flex;align-items:center;gap:16px;margin:0 0 16px;color:#fff}
.calendar-icon{position:relative;display:grid;place-items:center;width:58px;height:58px;padding-top:8px;border:3px solid var(--cyan);border-radius:10px;color:#fff;font-size:1.25rem;font-weight:900;line-height:1;flex:0 0 auto}
.calendar-icon:before{content:"";position:absolute;left:-3px;right:-3px;top:11px;border-top:3px solid var(--cyan)}
.date-card small{display:block;color:var(--cyan);font-size:.72rem;font-weight:900;letter-spacing:.14em}
.date-card strong{display:block;font-size:clamp(1.55rem,2.5vw,2rem);line-height:1.05;letter-spacing:-.025em}
.facts{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 28px}
.fact{padding:9px 13px;border:1px solid var(--line);background:rgba(7,18,31,.65);border-radius:999px;font-size:.9rem}
.venue{margin:0 0 28px;padding-left:15px;border-left:3px solid var(--cyan);color:#d9e5f2;font-size:1rem}
.venue strong{color:#fff;font-size:1.12rem}
.actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:52px;padding:0 22px;border-radius:8px;text-decoration:none;font-weight:800;transition:.2s transform,.2s background}
.btn:hover{transform:translateY(-2px)}
.btn-facebook{background:var(--blue);color:#fff}
.btn-facebook:hover{background:#3290ff}
.btn-whatsapp{background:#25d366;color:#052c18}
.btn-whatsapp:hover{background:#42e47b}
.section{padding:92px 0}
.section h2{max-width:850px;margin:0 0 28px;font-size:clamp(2.2rem,5vw,4.4rem);line-height:1;letter-spacing:-.05em}
.intro{max-width:690px;color:var(--muted);font-size:1.1rem}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
.card{min-height:250px;padding:28px;background:linear-gradient(145deg,rgba(19,42,68,.86),rgba(8,20,35,.92));border:1px solid var(--line);border-radius:18px}
.card-num{display:block;margin-bottom:52px;color:var(--cyan);font-weight:900}
.card h3{margin:0 0 12px;font-size:1.45rem}
.card p{margin:0;color:var(--muted)}
.light{background:#eff5fa;color:#07111f}
.light .eyebrow{color:#0068c9}
.light .intro{color:#43546a}
.benefits{display:grid;grid-template-columns:1.1fr .9fr;gap:70px;align-items:start}
.checks{display:grid;gap:8px}
.check{display:grid;grid-template-columns:30px 1fr;gap:14px;padding:20px 0;border-bottom:1px solid rgba(7,17,31,.12)}
.check b{font-size:1.15rem}
.check span:first-child{color:#0877d1;font-weight:900}
.poster{max-width:500px;margin:auto}
.poster img{display:block;width:100%;border-radius:20px;box-shadow:0 40px 100px rgba(0,0,0,.32)}
.edition-gallery{display:grid;grid-template-columns:1.35fr .65fr .65fr;grid-template-rows:230px 230px;gap:12px;margin-top:44px}
.edition-gallery figure{position:relative;overflow:hidden;margin:0;border-radius:18px;background:#10243c}
.edition-gallery figure:first-child{grid-row:1/3}
.edition-gallery img{display:block;width:100%;height:100%;object-fit:cover}
.edition-gallery figcaption{position:absolute;inset:auto 0 0;padding:28px 18px 14px;background:linear-gradient(transparent,rgba(3,11,21,.88));font-size:.82rem;color:#eaf3ff}
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:44px}
.voice{padding:28px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(145deg,rgba(19,42,68,.78),rgba(8,20,35,.94))}
.voice-photo{width:76px;height:76px;margin-bottom:28px;border-radius:50%;overflow:hidden;border:2px solid rgba(93,224,230,.5);background:#10243c}
.voice-photo img{width:100%;height:100%;object-fit:cover;object-position:center;transform:none}
.voice blockquote{margin:0 0 24px;font-size:1.18rem;line-height:1.5;color:#eaf3ff}
.voice b{display:block}
.voice span{font-size:.86rem;color:var(--muted)}
.speaker-callout{display:flex;align-items:center;justify-content:space-between;gap:24px;margin-top:24px;padding:24px 28px;border:1px solid rgba(93,224,230,.3);border-radius:16px;background:rgba(34,134,255,.09)}
.speaker-callout strong{display:block;font-size:1.25rem}
.speaker-callout span{color:var(--muted)}
.cta{position:relative;overflow:hidden;padding:100px 0;text-align:center;background:linear-gradient(135deg,#0b55aa,#072344 55%,#07111f)}
.cta:before{content:"";position:absolute;width:500px;height:500px;border:1px solid rgba(93,224,230,.22);border-radius:50%;left:50%;top:50%;transform:translate(-50%,-50%)}
.cta .wrap{position:relative}
.cta h2{margin:0 auto 20px}
.cta p{max-width:620px;margin:0 auto 30px;color:#d2e2f2}
.micro{margin-top:18px;color:#8fa5bd;font-size:.8rem}
.footer{padding:28px 0;color:#8ea3ba;font-size:.85rem;border-top:1px solid var(--line)}
.footer .wrap{display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap}
@media(max-width:850px){
  .hero-bg{height:280px}
  .hero-content{grid-template-columns:1fr;gap:38px;padding:54px 0 64px}
  .grid3,.benefits,.voices{grid-template-columns:1fr}
  .card{min-height:0}
  .card-num{margin-bottom:30px}
  .edition-gallery{grid-template-columns:1fr 1fr;grid-template-rows:300px 190px 190px}
  .edition-gallery figure:first-child{grid-column:1/3;grid-row:auto}
  .edition-gallery figure:last-child{grid-column:1/3}
  .speaker-callout{align-items:flex-start;flex-direction:column}
  .section{padding:72px 0}
}
@media(max-width:520px){
  .wrap{width:calc(100% - 26px)}
  .topbar{padding:12px 0}
  .brand span,.mini-link{display:none}
  .hero-bg{height:220px;background-size:cover}
  .hero-content{gap:34px;padding:44px 0 58px}
  .hero h1{font-size:3.15rem}
  .lead{font-size:1.05rem}
  .date-card strong{font-size:1.55rem}
  .actions .btn{width:100%}
  .section h2{font-size:2.35rem}
  .edition-gallery{grid-template-columns:1fr 1fr;grid-template-rows:240px 145px 145px}
  .cta{padding:80px 0}
}