@import url('https://fonts.googleapis.com/css2?family=Source+Sans+3:ital,wght@0,300;0,400;0,500;0,600;0,700;1,300&family=Source+Serif+4:opsz,wght@8..60,500;8..60,600;8..60,700&display=swap');

*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'Source Sans 3',system-ui,sans-serif;font-size:16px;line-height:1.65;color:#212531;background:#fff;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

/* ── Tokens — paleta fiel ao original: azul royal sólido + branco ── */
:root{
  --blue:        #1B4FCC;   /* azul royal principal */
  --blue-deep:   #0E2E80;   /* azul mais escuro p/ hover e nav */
  --blue-soft:   #EEF2FD;   /* tint claro p/ fundos sutis */
  --ink:         #0f1117;
  --ink-2:       #565B6E;
  --ink-3:       #8A8FA3;
  --ink-60:      #5a5e6b;   /* usado nos cards de Panels/Venue/Organisation */
  --ink-30:      #b8bbc5;
  --border:      #e4e6ec;
  --bg-soft:     #F7F8FC;
  --white:       #ffffff;
  --surface:     #ffffff;
  --subtle:      #f5f6f8;
  --accent:      #2563eb;   /* azul usado nos cards de Panels/Venue/Organisation — ver nota no resumo */
  --radius:      10px;
}

.container{max-width:1120px;margin:0 auto;padding:0 32px}
.overline{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--blue)}
.text-center{margin-bottom:56px}
.mt-24{margin-top:24px}

/* ═══════════ NAV — pills, sobre o hero claro ═══════════ */
.nav{
  position:fixed;top:0;left:0;right:0;z-index:100;
  height:72px;display:flex;align-items:center;justify-content:space-between;
  padding:0 32px;background:transparent;
  transition:background .25s,box-shadow .25s,backdrop-filter .25s;
}
.nav.scrolled{
  background:rgba(255,255,255,.92);backdrop-filter:blur(10px);
  box-shadow:0 1px 0 rgba(0,0,0,.04);
}

.nav__logo{display:flex;align-items:center;gap:10px}
.nav__logo img{height:30px;width:auto}

.nav__links{list-style:none;display:flex;align-items:center;gap:6px}
.nav__links a{
  font-size:14px;font-weight:500;color:var(--ink-2);
  padding:9px 18px;border-radius:100px;border:1px solid transparent;
  transition:color .2s,border-color .2s,background .2s;
}
.nav__links a:hover{color:var(--blue)}
.nav__links a.is-active{color:var(--blue);border-color:var(--blue);background:rgba(27,79,204,.06)}

.nav__cta{
  background:var(--blue);color:#fff !important;padding:10px 22px;border-radius:100px !important;
  font-size:13.5px !important;font-weight:600 !important;transition:background .2s !important;
  margin-left:8px;
}
.nav__cta:hover{background:var(--blue-deep) !important}
.nav__cta.is-active{border-color:transparent !important;background:var(--blue-deep) !important}

.nav__toggle{display:none;flex-direction:column;gap:5px;cursor:pointer;padding:4px}
.nav__toggle span{display:block;width:21px;height:2px;background:var(--ink);border-radius:2px;transition:transform .3s,opacity .3s}

/* ═══════════ HERO — fundo branco com blobs orgânicos azuis ═══════════ */
.hero{
  position:relative;
  padding:156px 0 96px;
  background:var(--white);
  overflow:hidden;
}
.hero__blobs{
  position:absolute;inset:0;
  width:100%;height:100%;
  z-index:0;pointer-events:none;
}
.hero__blob--mid{fill:#AFC9F5}
.hero__blob--light{fill:#E4ECFC}

.hero__inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1fr 1.05fr;gap:24px;align-items:center;
  min-height:520px;
}

.hero__badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--blue-soft);color:var(--blue);
  border:1px solid rgba(27,79,204,.15);
  font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;
  padding:6px 14px;border-radius:100px;margin-bottom:22px;
}
.hero__badge-dot{width:6px;height:6px;border-radius:50%;background:var(--blue);flex-shrink:0;animation:pulse 2.2s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

.hero__title{
  font-size:clamp(32px,4.2vw,50px);font-weight:700;color:var(--ink);
  line-height:1.12;letter-spacing:-.025em;margin-bottom:18px;
}
.hero__title .accent{color:var(--blue)}

.hero__desc{font-size:16.5px;font-weight:300;color:var(--ink-2);line-height:1.75;max-width:480px;margin-bottom:32px}

.hero__actions{display:flex;gap:12px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;
  padding:13px 26px;border-radius:100px;transition:all .2s;border:1.5px solid transparent;cursor:pointer;
}
.btn--solid{background:var(--blue);color:#fff}
.btn--solid:hover{background:var(--blue-deep);transform:translateY(-1px)}

.hero__media{
  position:relative;align-self:center;
  display:flex;justify-content:center;
}
.hero__media img{
  position:relative;z-index:1;
  width:100%;max-width:620px;height:auto;display:block;
}

/* ═══════════ Stats strip — fundo branco, abaixo do hero azul ═══════════ */
.stats{position:relative;z-index:2;background:var(--white);border-bottom:1px solid var(--border)}
.stats__row{display:grid;grid-template-columns:repeat(4,1fr)}
.stat{padding:24px 28px;border-right:1px solid var(--border)}
.stat:last-child{border-right:none}
.stat__num{font-size:20px;font-weight:700;color:var(--blue);letter-spacing:-.01em}
.stat__label{font-size:12.5px;color:var(--ink-3);margin-top:3px}

/* ═══════════ SECTION base — muito espaço, sem caixas pesadas ═══════════ */
.section{padding:84px 0}

.s-head{margin-bottom:48px}
.s-title{font-size:clamp(24px,2.8vw,32px);font-weight:700;color:var(--ink);line-height:1.25;letter-spacing:-.02em;margin-top:8px;max-width:580px}
.s-lead{font-size:16px;font-weight:300;color:var(--ink-2);line-height:1.75;max-width:620px;margin-top:14px}

/* ═══════════ CFP ═══════════ */
.cfp__grid{display:grid;grid-template-columns:1fr 1fr;gap:56px}

.who-list{display:flex;flex-direction:column}
.who-item{display:flex;align-items:center;gap:14px;padding:14px 0;border-bottom:1px solid var(--border)}
.who-item:first-child{border-top:1px solid var(--border)}
.who-icon{width:30px;height:30px;border-radius:7px;background:var(--blue-soft);display:flex;align-items:center;justify-content:center;flex-shrink:0}
.who-icon svg{width:14px;height:14px;color:var(--blue);stroke:currentColor;fill:none}
.who-name{font-size:14.5px;font-weight:600;color:var(--ink)}
.who-desc{font-size:12.5px;color:var(--ink-3);margin-top:1px}

.aims-list{display:flex;flex-direction:column}
.aim{display:flex;gap:16px;padding:16px 0;border-bottom:1px solid var(--border)}
.aim:first-child{border-top:1px solid var(--border)}
.aim__verb{font-size:11.5px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--blue);min-width:76px;padding-top:2px}
.aim__text{font-size:14.5px;color:var(--ink-2);line-height:1.6}

/* ═══════════ PANELS ═══════════ */
.panel-block{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:14px;
  overflow:hidden;
  margin-bottom:24px;
}
.panel-header{
  padding:24px 28px;
  border-bottom:1px solid var(--border);
  display:flex;
  gap:16px;
  align-items:flex-start;
}
.panel-num{
  width:40px;height:40px;
  background:var(--accent);
  color:#fff;
  font-family:'Syne',sans-serif;
  font-size:15px;font-weight:700;
  border-radius:10px;
  display:grid;place-items:center;
  flex-shrink:0;
}
.panel-num.closing{background:#7c3aed}
.panel-title{
  font-family:'Syne',sans-serif;
  font-size:17px;font-weight:700;color:var(--ink);
  line-height:1.3;margin-bottom:6px;
}
.panel-desc{font-size:14px;color:var(--ink-60);line-height:1.7}
.panelists-wrap{padding:24px 28px}
.panelists-label{
  font-size:11px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  color:var(--ink-30);margin-bottom:16px;
}
.panelist-row{
  display:flex;gap:16px;align-items:flex-start;
  padding:16px 0;border-bottom:1px solid var(--border);
}
.panelist-row:last-child{border-bottom:none;padding-bottom:0}
.panelist-avatar{
  width:52px;height:52px;border-radius:50%;object-fit:cover;flex-shrink:0;
  border:2px solid var(--border);background:var(--subtle);
}
.panelist-avatar-placeholder{
  width:52px;height:52px;border-radius:50%;
  background:linear-gradient(135deg,#dbeafe,#ede9fe);
  display:grid;place-items:center;
  font-family:'Syne',sans-serif;font-size:16px;font-weight:700;color:var(--accent);
  flex-shrink:0;border:2px solid var(--border);
}
.panelist-info{flex:1}
.panelist-name{font-size:15px;font-weight:600;color:var(--ink);margin-bottom:4px}
details.panelist-detail summary{cursor:pointer;list-style:none}
details.panelist-detail summary::-webkit-details-marker{display:none}
.bio-toggle{
  font-size:12px;font-weight:600;color:var(--accent);margin-top:6px;
  display:inline-flex;align-items:center;gap:4px;
}
details[open] .bio-toggle::after{content:'↑ Less'}
details:not([open]) .bio-toggle::after{content:'↓ Read more'}
.bio-full{
  font-size:13px;color:var(--ink-60);line-height:1.65;
  margin-top:8px;padding-top:8px;border-top:1px solid var(--border);
}
@media(max-width:900px){
  .panel-header{flex-direction:column}
}

/* ═══════════ COLLABORATIVE ARTICLE ═══════════ */
.collab-wrap{
  display:grid;grid-template-columns:1fr auto;gap:80px;align-items:center;
}
.collab-body p{font-size:15px;color:var(--ink-60);line-height:1.8;margin-bottom:28px}
.collab-qr{
  background:var(--subtle);border:1px solid var(--border);border-radius:14px;
  padding:24px;text-align:center;flex-shrink:0;
}
.collab-qr img{width:160px;height:160px;border-radius:8px;object-fit:contain;margin:0 auto 12px}
.collab-qr-label{font-size:12px;color:var(--ink-60);font-weight:500}

/* ═══════════ VENUE ═══════════ */
#venue{background:var(--subtle)}
.venue-inner{display:grid;grid-template-columns:1fr 1.5fr;gap:64px;align-items:center}
.venue-map-wrap{
  border-radius:14px;overflow:hidden;border:1px solid var(--border);
  box-shadow:0 4px 24px rgba(0,0,0,.06);
}
.venue-map-wrap iframe{display:block;width:100%;height:400px;border:none}
.venue-detail{display:flex;gap:12px;align-items:flex-start;margin-bottom:20px}
.venue-icon{
  width:40px;height:40px;background:rgba(37,99,235,.08);border-radius:10px;
  display:grid;place-items:center;font-size:18px;flex-shrink:0;
}
.venue-detail-label{font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-30);margin-bottom:4px}
.venue-detail-value{font-size:15px;font-weight:500;color:var(--ink)}

/* ═══════════ ORGANISATION ═══════════ */
#organisation{background:var(--surface)}
.org-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;margin-bottom:72px}
.org-card{background:var(--subtle);border:1px solid var(--border);border-radius:14px;padding:28px 32px}
.org-card-title{
  font-family:'Syne',sans-serif;font-size:15px;font-weight:700;color:var(--ink);
  margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--border);
}
.org-person{padding:10px 0;border-bottom:1px solid var(--border);font-size:14px}
.org-person:last-child{border-bottom:none;padding-bottom:0}
.org-person strong{color:var(--ink);display:block;margin-bottom:2px}
.org-person span{color:var(--ink-60);font-size:12px}
.org-person a{color:var(--accent);font-size:12px}

/* ═══════════ PARCEIROS — destaque real, fundo branco com cards definidos ═══════════ */
.partners-section{background:var(--white);padding:88px 0;border-top:1px solid var(--border)}

.partners__grid{display:grid;grid-template-columns:repeat(6,1fr);gap:14px;margin-top:40px}
.partner-card{
  background:var(--bg-soft);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 18px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  text-align:center;transition:border-color .2s,box-shadow .2s,transform .2s;min-height:140px;
}
.partner-card:hover{border-color:var(--blue);box-shadow:0 6px 20px rgba(27,79,204,.1);transform:translateY(-2px)}
.partner-card img{max-height:64px;max-width:100%;width:auto;object-fit:contain}
.partner-card__name{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

/* ═══════════ FOOTER ═══════════ */
.footer{background:var(--blue-deep);padding:32px 0}
.footer__inner{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px}
.footer__brand{display:flex;align-items:center;gap:10px}
.footer__brand img{height:24px;filter:brightness(0) invert(1);opacity:.85}
.footer__copy{font-size:12.5px;color:rgba(255,255,255,.5)}
.footer__links{list-style:none;display:flex;gap:22px}
.footer__links a{font-size:12.5px;color:rgba(255,255,255,.45);transition:color .2s}
.footer__links a:hover{color:#fff}

/* ═══════════ REVEAL ═══════════ */
.rev{opacity:0;transform:translateY(18px);transition:opacity .55s ease,transform .55s ease}
.rev.in{opacity:1;transform:none}

/* ═══════════ RESPONSIVE ═══════════ */
@media(max-width:980px){
  .hero__inner{grid-template-columns:1fr;gap:8px}
  .hero__media{order:-1;margin-bottom:8px;padding-top:0}
  .hero__media img{max-width:360px;margin:0 auto}
  .hero__actions{margin-bottom:40px}
  .cfp__grid{grid-template-columns:1fr}
  .partners__grid{grid-template-columns:repeat(3,1fr)}
  .stats__row{grid-template-columns:1fr 1fr}
}
@media(max-width:640px){
  .container{padding:0 20px}
  .nav{padding:0 20px}
  .nav__links{display:none}
  .nav__links.open{display:flex;flex-direction:column;position:fixed;top:64px;left:0;right:0;background:#fff;padding:20px;gap:18px;border-bottom:1px solid var(--border);box-shadow:0 8px 24px rgba(0,0,0,.06)}
  .nav__links.open a{color:var(--ink-2)}
  .nav__links.open a:hover,.nav__links.open a.is-active{color:var(--blue)}
  .nav__links.open ~ .nav__toggle span{background:var(--ink)}
  .nav__toggle{display:flex}
  .partners__grid{grid-template-columns:repeat(2,1fr)}
  .stats__row{grid-template-columns:1fr 1fr}
  .stat{border-bottom:1px solid var(--border)}
  .section{padding:56px 0}
  .hero{padding:104px 0 0}
  .footer__inner{flex-direction:column;text-align:center}
  .countdown{flex-direction:column;align-items:flex-start}
  .back-to-top{right:18px;bottom:18px;width:40px;height:40px}
}
@media(prefers-reduced-motion:reduce){
  *,.rev{animation:none !important;transition:none !important;opacity:1 !important;transform:none !important}
}

/* ═══════════════════════════════════════
   ELEMENTOS INTERATIVOS — adicional
═══════════════════════════════════════ */

/* ── Reading progress bar ── */
.progress-bar{
  position:fixed;top:0;left:0;height:3px;width:0%;
  background:var(--blue);z-index:200;
  transition:width .1s linear;
}

/* ── Nav active link (scroll-spy) ── */
.nav__links a.is-active{color:var(--blue);font-weight:600}

/* ── Countdown widget ── */
.countdown{
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:16px;
  padding:18px 0;border-bottom:1px solid var(--border);
}
.countdown__label{
  display:flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--ink-2);
  text-transform:uppercase;letter-spacing:.06em;
}
.countdown__dot{width:7px;height:7px;border-radius:50%;background:var(--blue);animation:pulse 2.2s infinite}
.countdown__units{display:flex;align-items:center;gap:10px}
.countdown__unit{display:flex;flex-direction:column;align-items:center;min-width:46px}
.countdown__num{
  font-size:22px;font-weight:700;color:var(--blue);
  font-variant-numeric:tabular-nums;line-height:1;
}
.countdown__txt{font-size:10px;color:var(--ink-3);text-transform:uppercase;letter-spacing:.05em;margin-top:3px}
.countdown__sep{font-size:18px;font-weight:300;color:var(--border);margin-top:-12px}

/* ── Toast notification ── */
.toast{
  position:fixed;bottom:28px;left:50%;
  transform:translateX(-50%) translateY(16px);
  background:var(--ink);color:#fff;
  font-size:13px;font-weight:500;
  padding:11px 22px;border-radius:100px;
  box-shadow:0 8px 24px rgba(0,0,0,.18);
  opacity:0;pointer-events:none;
  transition:opacity .25s,transform .25s;
  z-index:300;
}
.toast.is-visible{opacity:1;transform:translateX(-50%) translateY(0)}

/* ── Back to top button ── */
.back-to-top{
  position:fixed;bottom:28px;right:28px;z-index:90;
  width:44px;height:44px;border-radius:50%;
  background:var(--blue);color:#fff;border:none;cursor:pointer;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 4px 16px rgba(27,79,204,.3);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .25s,transform .25s,visibility .25s,background .2s;
}
.back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.back-to-top:hover{background:var(--blue-deep)}

/* ── Partner card flip detail on hover ── */
.partner-card{position:relative;overflow:hidden}
.partner-card__detail{
  position:absolute;inset:0;background:var(--blue);color:#fff;
  display:flex;align-items:center;justify-content:center;
  padding:14px;text-align:center;font-size:11px;font-weight:500;line-height:1.5;
  opacity:0;transform:translateY(100%);
  transition:opacity .25s,transform .25s;
}
.partner-card:hover .partner-card__detail{opacity:1;transform:translateY(0)}
.partner-card:hover img{opacity:0}
.partner-card img{transition:opacity .2s}