/* =========================================================
   iA4Business | Palestra: Inteligência Artificial para Empresas
   Versão 02: fundo branco, neon vermelho + azul (cores AiPartner),
   glassmorphism, sem degradês.
   Design system + engine visual
   ========================================================= */

:root{
  --bg:        #ffffff;
  --bg-2:      #f4f6fb;

  /* vidro: superfícies translúcidas brancas sobre o fundo tecnológico */
  --surface:   rgba(255,255,255,.5);
  --surface-2: rgba(255,255,255,.72);
  --stroke:    rgba(20,87,166,.16);
  --stroke-2:  rgba(20,87,166,.3);

  /* cores da marca AiPartner (extraídas do logo), sem degradê */
  --cyan:   #d80913;   /* vermelho neon (marca)      — acento primário  */
  --violet: #1457a6;   /* azul neon (marca)          — acento secundário */
  --pink:   #ff1e3d;   /* vermelho neon brilhante    — brilho / glow    */
  --lime:   #1470ff;   /* azul neon brilhante        — brilho / glow    */
  --amber:  #b3001b;   /* vermelho profundo          — tom sobre tom    */

  --text:   #0b1f3d;
  --muted:  #5b6b85;
  --dim:    #5b6b8540;

  --on-accent: #ffffff;

  /* cantos sempre retos: tokens zerados de propósito, sem shape abaloado */
  --r-lg: 0px;
  --r-md: 0px;
  --r-sm: 0px;

  --font-d: "Space Grotesk", "Segoe UI", system-ui, sans-serif;
  --font-b: "Inter", "Segoe UI", system-ui, sans-serif;
}

*{ box-sizing:border-box; margin:0; padding:0; }

html,body{
  height:100%;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-b);
  overflow:hidden;
  -webkit-font-smoothing:antialiased;
}

/* ---------- Fundo tecnológico ---------- */
.bg-fx{ position:fixed; inset:0; z-index:0; overflow:hidden; pointer-events:none; }

.bg-fx .grid{
  position:absolute; inset:-1px;
  background-image:
    linear-gradient(rgba(20,87,166,.05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(20,87,166,.05) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:radial-gradient(ellipse 85% 75% at 50% 45%, #000 25%, transparent 82%);
}
.bg-fx .blob{ position:absolute; border-radius:50%; filter:blur(140px); }
.bg-fx .b1{ width:640px; height:640px; top:-220px; left:-200px; background:var(--lime); opacity:.22; }
.bg-fx .b2{ width:600px; height:600px; bottom:-240px; right:-160px; background:var(--pink); opacity:.2; }

.bg-fx .scan{
  position:absolute; left:0; right:0; height:220px;
  background:linear-gradient(180deg, transparent, rgba(20,87,166,.05), transparent);
  animation:scan 11s ease-in-out infinite;
}
@keyframes scan{ 0%{ top:-220px; } 100%{ top:100%; } }

.bg-fx svg.circuit{ position:absolute; inset:0; width:100%; height:100%; }
.bg-fx .trace{ stroke:rgba(20,87,166,.35); stroke-width:1; fill:none; }
.bg-fx .node{ fill:rgba(20,87,166,.35); }
.bg-fx .node-accent{ fill:var(--cyan); filter:drop-shadow(0 0 6px rgba(255,30,61,.8)); animation:pulse 2.6s ease-in-out infinite; transform-origin:center; }
.bg-fx .node-accent.d2{ fill:var(--violet); filter:drop-shadow(0 0 6px rgba(20,112,255,.8)); animation-delay:.9s; }
.bg-fx .node-accent.d3{ animation-delay:1.7s; }
@keyframes pulse{
  0%,100%{ opacity:.6; transform:scale(1); }
  50%{ opacity:1; transform:scale(1.8); }
}

.bg-fx .corner{ position:absolute; width:34px; height:34px; border:2px solid rgba(20,87,166,.3); opacity:.7; }
.bg-fx .corner.tl{ top:36px; left:36px; border-right:0; border-bottom:0; }
.bg-fx .corner.tr{ top:36px; right:36px; border-left:0; border-bottom:0; }
.bg-fx .corner.bl{ bottom:36px; left:36px; border-right:0; border-top:0; }
.bg-fx .corner.br{ bottom:36px; right:36px; border-left:0; border-top:0; }

@media (prefers-reduced-motion: reduce){
  .bg-fx .scan, .bg-fx .node-accent{ animation:none; }
}

/* ---------- Palco / escala ---------- */
#stage{
  position:fixed; inset:0; z-index:1;
  display:flex; align-items:center; justify-content:center;
}
.deck{
  width:1280px; height:720px;
  flex:none;
  position:relative;
  transform-origin:center center;
  display:none;
}
.deck.is-current{ display:block; }

.slide{
  position:absolute; inset:0;
  padding:58px 74px 92px;
  display:none;
  flex-direction:column;
}
.slide.is-active{ display:flex; }

.slide.is-active .anim{
  opacity:0; transform:translateY(22px);
  animation:rise .62s cubic-bezier(.2,.7,.3,1) forwards;
  animation-delay:calc(var(--i,0) * 90ms + 60ms);
}
@keyframes rise{ to{ opacity:1; transform:none; } }

/* ---------- Tipografia ---------- */
.kicker{
  font-family:var(--font-d);
  font-size:13px; font-weight:600;
  letter-spacing:.34em; text-transform:uppercase;
  color:var(--cyan);
  display:flex; align-items:center; gap:14px;
  margin-bottom:20px;
}
.kicker::after{ content:""; flex:1; height:1px; background:linear-gradient(90deg,var(--stroke-2),transparent); }

h1{ font-family:var(--font-d); font-size:76px; font-weight:700; line-height:1.02; letter-spacing:-.025em; }
h2{ font-family:var(--font-d); font-size:44px; font-weight:600; line-height:1.1; letter-spacing:-.02em; margin-bottom:10px; }
h3{ font-family:var(--font-d); font-size:20px; font-weight:600; letter-spacing:-.01em; }
.lead{ font-size:20px; color:var(--muted); line-height:1.55; max-width:820px; }
.sub{ font-size:16px; color:var(--muted); line-height:1.55; }
.grad-text{ color:var(--cyan); }

/* ---------- Cards (vidro) ---------- */
.card{
  background:var(--surface);
  border:1px solid var(--stroke);
  border-radius:var(--r-md);
  padding:22px 24px;
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  box-shadow:0 10px 30px -18px rgba(20,45,90,.18);
  transition:transform .3s cubic-bezier(.2,.7,.3,1), background .3s, border-color .3s;
  position:relative; overflow:hidden;
}
.card::before{
  content:""; position:absolute; left:0; top:0; bottom:0; width:3px;
  background:var(--cyan); opacity:0; transition:opacity .3s;
}
.card:hover{ transform:translateY(-6px); background:var(--surface-2); border-color:var(--cyan); }
.card:hover::before{ opacity:1; }
.card h3{ margin-bottom:8px; }
.card p{ font-size:15px; color:var(--muted); line-height:1.5; }

.card .num{
  font-family:var(--font-d); font-size:13px; font-weight:700;
  color:var(--cyan); letter-spacing:.1em; margin-bottom:10px; display:block;
}

.grid-2{ display:grid; grid-template-columns:repeat(2,1fr); gap:18px; }
.grid-3{ display:grid; grid-template-columns:repeat(3,1fr); gap:18px; }
.grid-4{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; }
.body{ flex:1; display:flex; flex-direction:column; justify-content:center; }

/* ---------- Capa ---------- */
.cover{ justify-content:center; padding-left:100px; }
.cover h1{ font-size:88px; margin:18px 0 26px; max-width:940px; }
.brand-logo{ display:block; width:132px; height:auto; }
.cover-meta{
  position:absolute; right:74px; bottom:110px; text-align:right;
  font-size:13px; color:var(--muted); letter-spacing:.16em; text-transform:uppercase;
  font-family:var(--font-d);
}

/* ---------- Divisor de parte ---------- */
.divider{ justify-content:center; align-items:flex-start; }
.divider .part-num{
  font-family:var(--font-d); font-size:190px; font-weight:700; line-height:.8;
  color:var(--cyan); opacity:.9; margin-bottom:12px;
  text-shadow:0 0 60px rgba(255,30,61,.25);
}
.divider h2{ font-size:60px; }

/* ---------- Timeline ---------- */
.timeline{ position:relative; margin-top:30px; padding-top:56px; }
.timeline .rail{
  position:absolute; top:26px; left:0; right:0; height:2px;
  background:var(--stroke);
}
.timeline .rail-fill{
  position:absolute; top:26px; left:0; height:2px; width:0;
  background:var(--cyan);
  box-shadow:0 0 12px rgba(255,30,61,.6);
  transition:width 1.4s cubic-bezier(.2,.7,.3,1) .3s;
}
.slide.is-active .timeline .rail-fill{ width:100%; }
.tl-items{ display:grid; grid-template-columns:repeat(4,1fr); gap:22px; }
.tl-item{ position:relative; cursor:pointer; }
.tl-item .dot{
  position:absolute; top:-42px; left:50%; transform:translateX(-50%);
  width:15px; height:15px; border-radius:50%; background:var(--bg-2);
  border:2px solid var(--cyan); box-shadow:0 0 0 5px rgba(216,9,19,.1), 0 0 10px rgba(255,30,61,.5);
  transition:transform .3s, box-shadow .3s;
}
.tl-item:hover .dot, .tl-item.on .dot{ transform:translateX(-50%) scale(1.35); box-shadow:0 0 0 9px rgba(216,9,19,.16), 0 0 16px rgba(255,30,61,.7); }
.tl-item .year{ font-family:var(--font-d); font-size:26px; font-weight:700; margin-bottom:8px; }
.tl-item p{ font-size:15px; color:var(--muted); line-height:1.5; }
.tl-item.on .year{ color:var(--cyan); }

/* ---------- Gráfico de barras ---------- */
.chart-bars{ display:flex; align-items:flex-end; gap:34px; height:250px; padding:0 6px; }
.bar-col{ flex:1; display:flex; flex-direction:column; align-items:center; gap:12px; height:100%; justify-content:flex-end; }
.bar-track{ width:100%; height:100%; display:flex; align-items:flex-end; }
.bar{
  width:100%; border-radius:0;
  height:0; transition:height 1.1s cubic-bezier(.2,.7,.3,1);
  position:relative;
  background:rgba(20,87,166,.12);
  border:1px solid var(--stroke);
}
.bar.hot{ background:var(--cyan); border-color:transparent; box-shadow:0 0 30px -4px rgba(255,30,61,.65); }
.slide.is-active .bar{ height:var(--h); transition-delay:calc(var(--i,0)*140ms + 350ms); }
.bar .val{
  position:absolute; top:-30px; left:0; right:0; text-align:center;
  font-family:var(--font-d); font-weight:700; font-size:17px; color:var(--text);
}
.bar-col .label{ font-size:14px; color:var(--muted); text-align:center; }

/* ---------- Diagrama de camadas (conceitos) ---------- */
.layers{ display:flex; align-items:center; gap:44px; }
.rings{ position:relative; width:330px; height:330px; flex:none; }
.ring{
  position:absolute; border-radius:50%; border:1px solid var(--stroke-2);
  display:flex; align-items:flex-start; justify-content:center;
  padding-top:12px;
  font-family:var(--font-d); font-size:12px; font-weight:600;
  letter-spacing:.14em; text-transform:uppercase; color:var(--muted);
  transition:all .35s; cursor:pointer;
  background:rgba(255,255,255,.35);
  backdrop-filter:blur(10px);
}
.ring.on{ border-color:var(--cyan); color:var(--cyan); background:rgba(216,9,19,.06); box-shadow:0 0 40px -10px rgba(255,30,61,.55); }
.r1{ inset:0; }
.r2{ inset:42px; }
.r3{ inset:88px; }
.r4{ inset:134px; padding-top:0; align-items:center; text-align:center; }
.layer-info{ flex:1; }
.layer-info .li{ display:none; }
.layer-info .li.on{ display:block; animation:rise .45s cubic-bezier(.2,.7,.3,1) forwards; }
.layer-info h3{ font-size:30px; margin-bottom:12px; }
.layer-info p{ font-size:18px; color:var(--muted); line-height:1.6; max-width:520px; }
.layer-info .ex, .lex-panel .ex{
  margin-top:18px; padding:14px 18px; border-left:2px solid var(--violet);
  background:rgba(20,87,166,.07); border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:15px; color:var(--text); line-height:1.55; max-width:560px;
}

/* ---------- Léxico (vocabulário prático) ---------- */
.lexico{ display:flex; gap:44px; align-items:center; }
.lex-list{ width:396px; flex:none; display:flex; flex-direction:column; gap:8px; }
.lex-item{
  display:flex; align-items:center; gap:14px;
  padding:12px 18px; border-radius:0;
  border:1px solid var(--stroke); background:var(--surface);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  cursor:pointer; transition:all .25s cubic-bezier(.2,.7,.3,1);
}
.lex-item:hover{ background:var(--surface-2); border-color:var(--stroke-2); transform:translateX(5px); }
.lex-item.on{ border-color:var(--cyan); background:rgba(216,9,19,.07); transform:translateX(5px); }
.lex-item .lx-n{
  font-family:var(--font-d); font-size:11px; font-weight:700;
  letter-spacing:.1em; color:var(--muted); transition:color .25s;
}
.lex-item.on .lx-n{ color:var(--cyan); }
.lex-item b{ font-family:var(--font-d); font-size:17px; font-weight:600; }
.lex-item .lx-h{ font-size:12.5px; color:var(--muted); margin-left:auto; text-align:right; }
.lex-item .lx-dot{ width:10px; height:10px; border-radius:0; flex:none; background:rgb(var(--pc, 91,107,133)); box-shadow:0 0 8px rgba(var(--pc, 91,107,133),.7); }

.lex-info{ flex:1; }
.lex-panel{ display:none; }
.lex-panel.on{ display:block; animation:rise .45s cubic-bezier(.2,.7,.3,1) forwards; }
.lex-panel h3{ font-size:32px; margin-bottom:14px; }
.lex-panel p{ font-size:18px; color:var(--muted); line-height:1.6; max-width:560px; }
.lex-panel p b{ color:var(--text); font-weight:600; }

/* ---------- Laboratório de prompt (anatomia) ---------- */
.prompt-lab{ display:flex; gap:44px; align-items:flex-start; }
.prompt-detail{ flex:1; }
.pm-mock{
  padding:22px 26px; border-radius:var(--r-md);
  background:var(--surface); border:1px solid var(--stroke);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  font-size:16.5px; line-height:2.35; color:var(--muted);
  margin-bottom:20px;
}
.pm-part{
  display:inline; padding:3px 8px; border-radius:0;
  border:1px solid var(--stroke);
  transition:all .3s cubic-bezier(.2,.7,.3,1);
}
.pm-part.on{
  background:rgba(var(--pc), .14);
  border-color:rgba(var(--pc), .75);
  color:var(--text);
  box-shadow:0 0 10px rgba(var(--pc), .35);
}
.pm-desc h3{ font-size:24px; margin-bottom:8px; }
.pm-desc p{ font-size:16.5px; color:var(--muted); line-height:1.6; max-width:600px; }

/* ---------- Visualizador de tokens ---------- */
.tok-line{ display:flex; flex-wrap:wrap; gap:7px; }
.tok{
  font-family:var(--font-d); font-size:14px; font-weight:600; letter-spacing:.01em;
  padding:7px 13px; border-radius:0; color:var(--text);
  background:rgba(216,9,19,.06); border:1px solid rgba(216,9,19,.22);
  backdrop-filter:blur(8px);
}
.tok:nth-child(even){ background:rgba(20,87,166,.06); border-color:rgba(20,87,166,.22); }

/* ---------- Tabs (setores) ---------- */
.tabs{ display:flex; gap:10px; margin-bottom:26px; flex-wrap:wrap; }
.tab{
  font-family:var(--font-d); font-size:15px; font-weight:600;
  padding:11px 22px; border-radius:0;
  border:1px solid var(--stroke); background:var(--surface);
  backdrop-filter:blur(10px);
  color:var(--muted); cursor:pointer; transition:all .25s;
}
.tab:hover{ color:var(--text); border-color:var(--stroke-2); }
.tab.on{ background:var(--cyan); color:var(--on-accent); border-color:transparent; box-shadow:0 6px 20px -8px rgba(255,30,61,.6); }
.tab-panel{ display:none; }
.tab-panel.on{ display:block; animation:rise .45s cubic-bezier(.2,.7,.3,1) forwards; }

/* ---------- Matriz 2x2 ---------- */
.matrix-wrap{ display:flex; gap:46px; align-items:center; }

.matrix-plot{
  flex:none;
  display:grid;
  grid-template-columns:26px 440px;
  grid-template-rows:400px 26px;
  column-gap:16px; row-gap:14px;
}
.matrix{
  grid-column:2; grid-row:1;
  display:grid; grid-template-columns:1fr 1fr; grid-template-rows:1fr 1fr;
  gap:10px; position:relative;
}
.quad{
  border:1px solid var(--stroke); border-radius:var(--r-md);
  padding:18px; cursor:pointer; transition:all .3s;
  background:var(--surface); backdrop-filter:blur(12px);
  display:flex; flex-direction:column; justify-content:space-between;
}
.quad:hover, .quad.on{ background:var(--surface-2); border-color:var(--cyan); transform:scale(1.03); }
.quad .tag{ font-family:var(--font-d); font-size:15px; font-weight:700; }
.quad .desc{ font-size:13px; color:var(--muted); line-height:1.4; }
.quad.q1 .tag{ color:var(--cyan); }
.quad.q2 .tag{ color:var(--violet); }
.quad.q3 .tag{ color:var(--muted); }
.quad.q4 .tag{ color:var(--amber); }

.axis .bar-line{
  display:flex; align-items:center; gap:12px;
  font-family:var(--font-d); font-size:11px; font-weight:600;
  letter-spacing:.2em; text-transform:uppercase; color:var(--muted);
  white-space:nowrap;
}
.axis .ln{
  flex:1; height:1px; position:relative;
  background:var(--stroke-2);
}
.axis .ln::after{
  content:""; position:absolute; right:-1px; top:-3.5px;
  border-left:7px solid var(--cyan);
  border-top:4px solid transparent;
  border-bottom:4px solid transparent;
}

.axis-y{ grid-column:1; grid-row:1; position:relative; }
.axis-y .bar-line{
  position:absolute; left:50%; top:50%;
  width:400px;
  transform:translate(-50%,-50%) rotate(-90deg);
}
.axis-x{ grid-column:2; grid-row:2; display:flex; align-items:center; }
.axis-x .bar-line{ width:100%; }

/* ---------- Donut ---------- */
.donut-wrap{ display:flex; align-items:center; gap:50px; }
.donut{ width:280px; height:280px; flex:none; position:relative; }
.donut svg{ transform:rotate(-90deg); }
.donut circle{ fill:none; stroke-width:26; stroke-linecap:butt; }
.donut .seg{ transition:stroke-dasharray 1.2s cubic-bezier(.2,.7,.3,1), opacity .3s; stroke-dasharray:0 999; }
.slide.is-active .donut .seg{ stroke-dasharray:var(--dash); transition-delay:calc(var(--i,0)*180ms + 300ms); }
.donut .center{
  position:absolute; inset:0; display:grid; place-items:center; text-align:center;
}
.donut .center b{ font-family:var(--font-d); font-size:34px; display:block; }
.donut .center span{ font-size:13px; color:var(--muted); }
.legend{ display:flex; flex-direction:column; gap:18px; }
.legend .it{ display:flex; gap:14px; align-items:flex-start; cursor:pointer; transition:opacity .25s; }
.legend .sw{ width:13px; height:13px; border-radius:0; margin-top:5px; flex:none; }
.legend b{ font-family:var(--font-d); font-size:17px; display:block; margin-bottom:3px; }
.legend p{ font-size:14px; color:var(--muted); line-height:1.5; max-width:420px; }

/* ---------- Stepper roadmap ---------- */
.steps{ display:grid; grid-template-columns:repeat(4,1fr); gap:16px; margin-top:8px; }
.step{
  position:relative; padding:26px 22px 22px;
  border:1px solid var(--stroke); border-radius:var(--r-md);
  background:var(--surface); backdrop-filter:blur(12px);
  cursor:pointer; transition:all .3s;
}
.step:hover, .step.on{ border-color:var(--cyan); background:var(--surface-2); transform:translateY(-6px); }
.step .n{
  width:40px; height:40px; border-radius:0; display:grid; place-items:center;
  font-family:var(--font-d); font-weight:700; font-size:17px;
  background:var(--surface-2); border:1px solid var(--stroke); margin-bottom:16px;
  transition:all .3s;
}
.step.on .n, .step:hover .n{ background:var(--cyan); color:var(--on-accent); border-color:transparent; box-shadow:0 0 16px -2px rgba(255,30,61,.6); }
.step h3{ margin-bottom:8px; }
.step p{ font-size:14px; color:var(--muted); line-height:1.5; }
.step-arrow{
  position:absolute; right:-12px; top:44px; z-index:2;
  color:var(--stroke-2); font-size:18px;
}

/* ---------- Pills / listas ---------- */
.pills{ display:flex; flex-wrap:wrap; gap:10px; }
.pill{
  padding:9px 18px; border-radius:0; font-size:15px;
  border:1px solid var(--stroke); background:var(--surface);
  backdrop-filter:blur(10px);
  transition:all .25s; cursor:default;
}
.pill:hover{ border-color:var(--cyan); color:var(--cyan); transform:translateY(-3px); }
.pill.key{ background:rgba(216,9,19,.06); border-color:rgba(216,9,19,.28); color:var(--cyan); }

.check-list{ display:flex; flex-direction:column; gap:20px; }
.check-list li{ list-style:none; display:flex; gap:16px; align-items:flex-start; }
.check-list .ic{
  width:30px; height:30px; border-radius:0; flex:none; display:grid; place-items:center;
  background:var(--cyan); color:var(--on-accent); font-weight:800; font-size:14px;
  box-shadow:0 0 12px -2px rgba(255,30,61,.6);
}
.check-list b{ font-size:20px; font-family:var(--font-d); font-weight:600; display:block; margin-bottom:4px; }
.check-list p{ font-size:15px; color:var(--muted); line-height:1.5; }

/* ---------- Tabela ---------- */
table.tools{ width:100%; border-collapse:collapse; font-size:15px; }
table.tools th{
  text-align:left; padding:12px 16px; font-family:var(--font-d); font-size:12px;
  letter-spacing:.16em; text-transform:uppercase; color:var(--cyan);
  border-bottom:1px solid var(--stroke-2);
}
table.tools td{ padding:14px 16px; border-bottom:1px solid var(--stroke); color:var(--muted); }
table.tools td:first-child{ color:var(--text); font-weight:600; }
table.tools tr{ transition:background .25s; }
table.tools tbody tr:hover{ background:var(--surface); }

/* ---------- Callout (vidro, sem degradê) ---------- */
.callout{
  margin-top:26px; padding:22px 26px; border-radius:var(--r-md);
  background:var(--surface);
  backdrop-filter:blur(14px); -webkit-backdrop-filter:blur(14px);
  border:1px solid var(--stroke);
  border-left:3px solid var(--cyan);
  font-size:19px; line-height:1.5; color:var(--text);
}
.callout b{ color:var(--cyan); }

.note-illus{ font-size:12px; color:var(--muted); opacity:.8; margin-top:14px; font-style:italic; }

/* ---------- CTA final ---------- */
.cta{
  margin-top:34px; display:inline-block; padding:20px 34px; border-radius:var(--r-md);
  background:var(--cyan); color:var(--on-accent);
  font-family:var(--font-d); font-weight:700; font-size:22px;
  box-shadow:0 20px 50px -18px rgba(255,30,61,.6);
}

/* =========================================================
   HUD: controles (console de vidro escuro)
   ========================================================= */
.hud{
  position:fixed; left:0; right:0; bottom:0; z-index:20;
  display:flex; align-items:center; gap:18px;
  padding:14px 26px;
  background:linear-gradient(180deg, transparent, rgba(8,20,40,.72));
  backdrop-filter:blur(6px);
}
.hud .spacer{ flex:1; }

/* marca da página: dentro do canvas 1280x720, acompanha a escala do deck.
   fica oculta na 1ª página; da 2ª em diante, alinhada com a linha do kicker,
   recuada da borda para não cruzar as molduras do canto. */
.deck-brand{
  position:absolute; top:80px; right:74px; z-index:5;
  width:60px; height:auto; opacity:.85; pointer-events:none;
  display:none;
}
.deck-brand.show{ display:block; }

.progress{
  position:fixed; top:0; left:0; right:0; height:3px; z-index:21;
  background:rgba(20,45,90,.08);
}
.progress .fill{ height:100%; width:0; background:var(--cyan); box-shadow:0 0 8px rgba(255,30,61,.6); transition:width .45s cubic-bezier(.2,.7,.3,1); }

.btn{
  display:inline-flex; align-items:center; gap:9px;
  padding:11px 18px; border-radius:0; cursor:pointer;
  border:1px solid rgba(255,255,255,.16); background:rgba(255,255,255,.08);
  backdrop-filter:blur(16px); -webkit-backdrop-filter:blur(16px);
  color:#eef1f8; font-family:var(--font-d); font-size:14px; font-weight:600;
  transition:all .22s; user-select:none;
}
.btn:hover{ background:rgba(255,255,255,.15); border-color:rgba(255,255,255,.26); transform:translateY(-2px); }
.btn:disabled{ opacity:.3; cursor:not-allowed; transform:none; }
.btn.primary{ background:var(--cyan); color:var(--on-accent); border-color:transparent; }
.btn.primary:hover{ box-shadow:0 14px 34px -12px rgba(255,30,61,.7); }
.btn.icon{ padding:11px 13px; }
.btn.on{ border-color:var(--cyan); color:#ff8f96; }

.counter{
  font-family:var(--font-d); font-size:14px; color:#a9c3e8;
  padding:0 6px; letter-spacing:.06em;
}
.counter b{ color:#eef1f8; font-size:17px; }

.counter-pages{ color:#fff; font-weight:700; }
.counter-pages b{ color:#fff; font-size:18px; text-shadow:none; }

.counter-timer #timer{ color:#eef1f8; font-weight:700; font-size:16px; }

/* ---------- Painel de notas do apresentador ---------- */
.notes{
  position:fixed; right:0; top:0; bottom:0; width:430px; z-index:30;
  background:rgba(8,19,42,.72); backdrop-filter:blur(24px) saturate(140%);
  -webkit-backdrop-filter:blur(24px) saturate(140%);
  border-left:1px solid rgba(255,255,255,.12);
  transform:translateX(100%); transition:transform .38s cubic-bezier(.2,.7,.3,1);
  display:flex; flex-direction:column;
}
.notes.open{ transform:none; }
.notes header{
  padding:22px 26px 16px; border-bottom:1px solid rgba(255,255,255,.12);
  display:flex; align-items:center; justify-content:space-between;
}
.notes header h4{ font-family:var(--font-d); font-size:14px; letter-spacing:.2em; text-transform:uppercase; color:#ff8f96; }
.notes .close{ cursor:pointer; color:#a9c3e8; font-size:22px; line-height:1; }
.notes .body-n{ padding:24px 26px 40px; overflow-y:auto; flex:1; }
.notes .body-n h5{
  font-family:var(--font-d); font-size:19px; margin-bottom:14px; line-height:1.25; color:#eef1f8;
}
.notes .body-n p{ font-size:14.5px; line-height:1.68; color:#c3cde0; margin-bottom:14px; }
.notes .body-n p strong{ color:#ff8f96; font-weight:600; }
.notes .body-n .tip{
  margin-top:20px; padding:14px 16px; border-radius:var(--r-sm);
  background:rgba(20,112,255,.14); border-left:2px solid #4d9bff;
  font-size:13.5px; line-height:1.6; color:#d6e4f5;
}
.notes .body-n .tip b{ color:#7fb8ff; }
.notes .timer{
  font-family:var(--font-d); font-size:13px; color:#a9c3e8;
  padding:12px 26px; border-top:1px solid rgba(255,255,255,.12);
  display:flex; align-items:center; justify-content:space-between;
}
.notes .timer .t{ font-size:20px; color:#eef1f8; }
.notes::-webkit-scrollbar, .notes .body-n::-webkit-scrollbar{ width:8px; }
.notes .body-n::-webkit-scrollbar-thumb{ background:rgba(255,255,255,.22); border-radius:0; }

/* ---------- Visão geral (grade de slides) ---------- */
.overview{
  position:fixed; inset:0; z-index:40; background:rgba(6,15,34,.78);
  backdrop-filter:blur(20px) saturate(140%); -webkit-backdrop-filter:blur(20px) saturate(140%);
  padding:60px; overflow-y:auto;
  display:none;
}
.overview.open{ display:block; }
.overview h4{ font-family:var(--font-d); font-size:14px; letter-spacing:.2em; text-transform:uppercase; color:#ff8f96; margin-bottom:26px; }
.ov-grid{ display:grid; grid-template-columns:repeat(auto-fill,minmax(210px,1fr)); gap:16px; }
.ov-item{
  border:1px solid rgba(255,255,255,.14); border-radius:var(--r-md); padding:18px;
  cursor:pointer; transition:all .25s; background:rgba(255,255,255,.06);
  backdrop-filter:blur(10px); color:#eef1f8;
}
.ov-item:hover{ border-color:#ff8f96; background:rgba(255,255,255,.1); transform:translateY(-4px); }
.ov-item.cur{ border-color:#ff8f96; background:rgba(216,9,19,.18); }
.ov-item .n{ font-family:var(--font-d); font-size:12px; color:#ff8f96; margin-bottom:8px; }
.ov-item .t{ font-size:15px; line-height:1.35; font-weight:600; }
.ov-item .k{ font-size:11px; color:#a9c3e8; text-transform:uppercase; letter-spacing:.14em; margin-top:8px; }

/* ---------- Ajuda ---------- */
.help{
  position:fixed; inset:0; z-index:50; display:none;
  background:rgba(6,15,34,.7); backdrop-filter:blur(16px);
  place-items:center;
}
.help.open{ display:grid; }
.help .box{
  background:rgba(10,22,46,.82); backdrop-filter:blur(20px) saturate(140%);
  -webkit-backdrop-filter:blur(20px) saturate(140%);
  border:1px solid rgba(255,255,255,.16); border-radius:var(--r-lg);
  padding:38px 44px; width:520px; color:#eef1f8;
}
.help h4{ font-family:var(--font-d); font-size:22px; margin-bottom:22px; }
.help .row{ display:flex; justify-content:space-between; align-items:center; padding:10px 0; border-bottom:1px solid rgba(255,255,255,.12); }
.help .row:last-child{ border:0; }
.help .row span{ color:#a9c3e8; font-size:15px; }
.help kbd{
  font-family:var(--font-d); font-size:12px; padding:5px 10px; border-radius:0;
  background:rgba(255,255,255,.1); border:1px solid rgba(255,255,255,.2); color:#eef1f8;
}

/* =========================================================
   Tela inicial (menu de entrada) — fundo aurora, cantos retos
   ========================================================= */
.landing{
  position:fixed; inset:0; z-index:60;
  background:var(--bg);
  transition:opacity .5s cubic-bezier(.2,.7,.3,1), visibility .5s;
}
.landing.hidden{ opacity:0; visibility:hidden; pointer-events:none; }

/* aurora: host absoluto atrás do conteúdo (sobrepõe o position:relative do skill) */
/* scaleY(-1): inverte a aurora, levando o corpo luminoso para a base da tela */
#landing .landing-bg{ position:absolute; inset:0; z-index:0; opacity:.6; transform:scaleY(-1); }

.landing-content{
  position:relative; z-index:2; width:100%; height:100%;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
}

.landing-logo{
  width:420px; height:auto; margin-bottom:72px;
  filter:drop-shadow(0 0 26px rgba(20,112,255,.35)) drop-shadow(0 0 22px rgba(255,30,61,.25));
}

.menu{ display:flex; flex-wrap:nowrap; justify-content:center; gap:16px; max-width:1220px; }
.menu-card{
  width:216px; padding:26px 20px; border-radius:0;
  border:1px solid var(--stroke); background:var(--surface);
  backdrop-filter:blur(16px) saturate(160%); -webkit-backdrop-filter:blur(16px) saturate(160%);
  box-shadow:0 10px 30px -18px rgba(20,45,90,.18);
  cursor:pointer; transition:all .25s cubic-bezier(.2,.7,.3,1);
  text-align:left; position:relative; overflow:hidden;
  font-family:var(--font-b); appearance:none; color:var(--text);
  border-bottom:3px solid transparent;
}
.menu-card:not(.disabled):hover{
  transform:translateY(-6px);
  background:var(--violet);
  border-color:var(--violet);
  border-bottom-color:var(--cyan);
  box-shadow:0 0 0 1px var(--violet), 0 20px 46px -14px rgba(20,112,255,.55), 0 0 34px -6px rgba(20,112,255,.6);
}
.menu-card:not(.disabled):hover h3,
.menu-card:not(.disabled):hover p,
.menu-card:not(.disabled):hover .mc-arrow,
.menu-card:not(.disabled):hover .mc-ic{ color:var(--on-accent); }
.menu-card:focus-visible{ outline:2px solid var(--cyan); outline-offset:3px; }

.mc-head{ display:flex; align-items:center; gap:14px; margin-bottom:14px; }
.mc-head h3{ margin-bottom:0; }

.menu-card .mc-ic{
  display:grid; place-items:center; flex:none;
  color:var(--cyan);
  transition:color .25s cubic-bezier(.2,.7,.3,1);
}
.menu-card .mc-ic svg{ width:34px; height:34px; }
.menu-card h3{ font-size:19px; margin-bottom:8px; transition:color .25s; }
.menu-card p{ font-size:13.5px; color:var(--muted); line-height:1.5; transition:color .25s; }
.menu-card .mc-arrow{
  margin-top:20px; font-family:var(--font-d); font-size:13px; font-weight:700;
  color:var(--cyan); letter-spacing:.05em; transition:color .25s;
}

.menu-card.disabled{ cursor:not-allowed; opacity:.55; }
.menu-card.disabled:hover{ transform:none; border-color:var(--stroke); border-bottom-color:transparent; background:var(--surface); box-shadow:0 10px 30px -18px rgba(20,45,90,.18); }
.menu-card.disabled .mc-ic{ color:var(--muted); }
.menu-card .mc-badge{
  position:absolute; top:16px; right:16px;
  font-family:var(--font-d); font-size:10px; font-weight:700; letter-spacing:.1em;
  color:var(--muted); background:var(--surface-2); border:1px solid var(--stroke);
  padding:4px 9px; border-radius:0; text-transform:uppercase;
}