/* =========================================================
   agênc.IA — BK360 realinhada para digital + IA
   Mesmo motor da versao aprovada: cada cena e fixada na tela e animada
   por --p (0 a 1), escrito pelo JS. Toda a animacao mora aqui, em
   calc()/clamp(): o JS so escreve UM numero por cena por quadro.
   ========================================================= */

/* ---------- TOKENS ---------- */
:root {
  --bg:      #08090A;
  --surf:    #131619;
  --line:    rgba(255,255,255,.09);
  --line-2:  rgba(255,255,255,.18);
  --fg:      #F1F3F4;
  --fg-2:    #C6CBCF;
  --mut:     #868D93;

  --acc:     #D20A11;   /* vermelho da letra "K" do logo */
  --acc-txt: #F5242B;   /* variacao AA para texto miudo no escuro */

  --ff-d: 'Inter Tight', 'Segoe UI Variable Display', 'Segoe UI', system-ui, sans-serif;
  --ff-b: 'Inter', 'Segoe UI Variable Text', 'Segoe UI', system-ui, sans-serif;

  --pad:  clamp(1.25rem, 4vw, 4.5rem);
  --maxw: 1280px;
  --out:  cubic-bezier(.16,1,.3,1);
}

/* ---------- RESET ---------- */
*,*::before,*::after { box-sizing: border-box; }
* { margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  background: var(--bg); color: var(--fg);
  font-family: var(--ff-b); font-size: 16px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button, input, textarea, select { font: inherit; color: inherit; }
button { background: none; border: 0; cursor: pointer; }
ul { list-style: none; }
:focus-visible { outline: 2px solid var(--acc-txt); outline-offset: 3px; }
::selection { background: var(--acc); color: #fff; }

h1,h2,h3,h4 { font-family: var(--ff-d); font-weight: 800; line-height: .98; letter-spacing: -.035em; }
.sr { position:absolute; width:1px; height:1px; overflow:hidden; clip:rect(0 0 0 0); }
.wrap { width: 100%; max-width: var(--maxw); margin-inline: auto; padding-inline: var(--pad); }

/* ---------- CABECALHO ---------- */
.hdr {
  position: fixed; top: 0; left: 0; right: 0; z-index: 60;
  display: flex; align-items: center; gap: 1rem;
  height: 72px; padding-inline: var(--pad);
  background: linear-gradient(to bottom, rgba(8,9,10,.88), transparent);
}
.logo { font-family: var(--ff-d); font-weight: 900; font-size: 1.5rem; letter-spacing: -.05em; }
.logo em { font-style: normal; color: var(--acc-txt); }
.hdr nav { margin-left: auto; display: flex; gap: .2rem; }
.hdr nav a { padding: .5rem .75rem; font-size: .85rem; color: var(--fg-2); transition: color .2s; }
.hdr nav a:hover, .hdr nav a.is-here { color: var(--fg); }

.btn {
  display: inline-flex; align-items: center; gap: .6rem; height: 3rem; padding-inline: 1.4rem;
  border-radius: 999px; font-weight: 600; font-size: .92rem;
  background: var(--acc); color: #fff;
  transition: transform .3s var(--out), background .3s;
}
.btn:hover { transform: translateY(-2px); background: #ec1119; }

/* Chave geral das animacoes */
.anim-btn {
  display: inline-flex; align-items: center; gap: .5rem;
  height: 2.4rem; padding-inline: .8rem; border-radius: 999px;
  border: 1px solid var(--line-2); color: var(--fg-2); font-size: .78rem;
  transition: color .2s, border-color .2s;
}
.anim-btn:hover { color: var(--fg); border-color: var(--acc); }
.anim-btn i {
  width: 26px; height: 14px; border-radius: 999px; flex: none;
  background: var(--line-2); position: relative; transition: background .25s;
}
.anim-btn i::after {
  content: ""; position: absolute; top: 2px; left: 2px;
  width: 10px; height: 10px; border-radius: 50%; background: var(--fg);
  transition: transform .25s var(--out);
}
[data-anim="on"] .anim-btn i { background: var(--acc); }
[data-anim="on"] .anim-btn i::after { transform: translateX(12px); }
@media (max-width: 1100px) { .anim-btn span { display: none; } }

.rail { position: fixed; top: 0; left: 0; right: 0; height: 2px; z-index: 70; background: var(--acc); transform-origin: left; transform: scaleX(0); }

.dots { position: fixed; right: clamp(.8rem,2vw,1.6rem); top: 50%; transform: translateY(-50%); z-index: 60; display: grid; gap: .85rem; }
.dots button { width: 26px; height: 10px; display: grid; place-items: center; }
.dots i { display: block; width: 7px; height: 7px; border-radius: 50%; background: var(--line-2); transition: background .3s, transform .3s; }
.dots button[aria-current="true"] i { background: var(--acc-txt); transform: scale(1.7); }
@media (max-width: 860px) { .dots { display: none; } }

/* =========================================================
   MOTOR DAS CENAS
   ========================================================= */
.scene { position: relative; height: calc(var(--runway, 200) * 1vh); }
.stage { position: sticky; top: 0; height: 100vh; overflow: hidden; display: grid; place-items: center; }
.art { position: absolute; inset: 0; width: 100%; height: 100%; }
.art svg { width: 100%; height: 100%; }
.copy { position: relative; z-index: 5; width: 100%; max-width: var(--maxw); padding-inline: var(--pad); }

/* Veu atras do texto, para a ilustracao nunca comer a legibilidade */
.scene:not(#c-abertura) .stage::after {
  content: ""; position: absolute; inset: 0; z-index: 2; pointer-events: none;
  background: linear-gradient(100deg,
    rgba(8,9,10,.93) 0%, rgba(8,9,10,.8) 26%, rgba(8,9,10,.36) 48%, transparent 66%);
}

.eyebrow {
  display: inline-flex; align-items: center; gap: .6rem;
  font-size: .72rem; font-weight: 600; letter-spacing: .18em; text-transform: uppercase; color: var(--mut);
}
.eyebrow::before { content: ""; width: 24px; height: 1px; background: var(--acc); }
.tit { font-size: clamp(2.1rem, 5.4vw, 4.4rem); text-wrap: balance; margin: 1rem 0; }
.sub { font-size: clamp(1rem, 1.3vw, 1.16rem); color: var(--fg-2); max-width: 44ch; }
.sub--forte { font-size: clamp(1.05rem, 1.5vw, 1.32rem); color: var(--fg); max-width: 52ch; }
.sub--forte b { font-weight: 600; color: var(--fg); box-shadow: inset 0 -.42em 0 rgba(210,10,17,.22); }
.ia { color: var(--acc-txt); }

.in {
  opacity: clamp(0, calc(var(--p, 0) * 5), 1);
  transform: translateY(calc((1 - clamp(0, calc(var(--p,0) * 5), 1)) * 40px));
}

/* Lista de itens dentro das cenas */
.pontos { display: grid; gap: .7rem; margin-top: 1.6rem; }
.pontos div { display: flex; gap: .8rem; align-items: flex-start; font-size: .95rem; color: var(--fg-2); }
.pontos b { color: var(--acc-txt); font-family: var(--ff-d); font-size: .8rem; padding-top: .2rem; flex: none; }

/* =========================================================
   CENA 1 — ABERTURA  (o trocadilho)
   ========================================================= */
#c-abertura .art { transform: scale(calc(1 + var(--p,0) * .55)); opacity: clamp(0, calc((1 - var(--p,0)) * 2.2), 1); }
.ring-a { transform-origin: 50% 50%; transform: rotate(calc(var(--p,0) * 150deg)); }
.ring-b { transform-origin: 50% 50%; transform: rotate(calc(var(--p,0) * -230deg)); }
.ring-c { transform-origin: 50% 50%; transform: rotate(calc(var(--p,0) * 400deg)); }
#c-abertura .copy { text-align: center; }
/* Duas linhas agora ("A BK360 agora e / uma agenc.IA"), entao o corpo
   e menor do que era com a marca solta. */
.marca {
  font-family: var(--ff-d); font-weight: 900;
  font-size: clamp(2.3rem, 7.4vw, 6rem); letter-spacing: -.05em; line-height: .95;
}
/* Só o ".IA" em vermelho — o seletor tem que ser a classe, e não `span`,
   senão pega também os spans de linha/máscara e pinta a palavra inteira,
   matando o trocadilho. */
.marca .ia { color: var(--acc-txt); }
#c-abertura .ln { display: block; overflow: hidden; padding-bottom: .06em; }
#c-abertura .ln > span { display: block; transform: translateY(105%); transition: transform 1s var(--out); }
#c-abertura.lit .ln > span { transform: none; }
#c-abertura .sub { margin-inline: auto; }

.scroll-hint {
  position: absolute; bottom: 34px; left: 50%; translate: -50% 0; z-index: 6;
  font-size: .72rem; letter-spacing: .2em; text-transform: uppercase; color: var(--mut);
  display: grid; justify-items: center; gap: .6rem;
  opacity: clamp(0, calc((1 - var(--p,0)) * 4 - .2), 1);
}
.scroll-hint i { display: block; width: 1px; height: 34px; background: linear-gradient(var(--acc), transparent); animation: dive 1.8s ease-in-out infinite; }
@keyframes dive { 0%,100% { transform: scaleY(.4); transform-origin: top; } 50% { transform: scaleY(1); transform-origin: top; } }

/* =========================================================
   CENA 2 — A VIRADA
   A pagina se monta sozinha dentro do navegador enquanto a barra
   de prazo encolhe. E o argumento inteiro em uma imagem.
   ========================================================= */
.chrome { opacity: clamp(0, calc(var(--p,0) * 6), 1); }
.blk {
  transform-box: fill-box; transform-origin: 50% 0;
  --a: clamp(0, calc((var(--p,0) - var(--at,0)) * 5), 1);
  opacity: var(--a);
  transform: translateY(calc((1 - var(--a)) * -14px)) scaleY(calc(.3 + var(--a) * .7));
}
/* a cor entra depois da estrutura */
.tinta { opacity: clamp(0, calc(var(--p,0) * 3.4 - 1.9), 1); }
/* barra de prazo encolhendo */
.prazo-longo { transform-box: fill-box; transform-origin: 0% 50%; transform: scaleX(clamp(.16, calc(1 - var(--p,0) * 1.15), 1)); }
.prazo-antes { opacity: clamp(0, calc(1 - var(--p,0) * 3), 1); }
.prazo-depois { opacity: clamp(0, calc(var(--p,0) * 3 - 1.7), 1); }
/* selo "no ar" */
.no-ar { transform-box: fill-box; transform-origin: center; transform: scale(clamp(0, calc(var(--p,0) * 5 - 4), 1)); }

/* =========================================================
   CENA 3 — OS 360 GRAUS  (servicos)
   ========================================================= */
.sweep { stroke-dasharray: var(--c); stroke-dashoffset: calc(var(--c) * (1 - clamp(0, calc(var(--p,0) * 1.25), 1))); }
.spoke { stroke-dasharray: 240; stroke-dashoffset: calc(240 * (1 - clamp(0, calc((var(--p,0) * 1.25 - var(--at)) * 7), 1))); }
.node  { transform-box: fill-box; transform-origin: center; transform: scale(clamp(0, calc((var(--p,0) * 1.25 - var(--at)) * 7), 1)); }
.tagtxt { opacity: clamp(0, calc((var(--p,0) * 1.25 - var(--at)) * 6), 1); }
.hub { transform-box: fill-box; transform-origin: center; transform: rotate(calc(var(--p,0) * 120deg)); }

/* =========================================================
   CENA 4 — RESULTADO  (midia medida)
   ========================================================= */
.bar { transform-origin: 50% 100%; transform-box: fill-box; transform: scaleY(clamp(0, calc((var(--p,0) - var(--at)) * 3.4), 1)); }
.trend { stroke-dasharray: var(--c); stroke-dashoffset: calc(var(--c) * (1 - clamp(0, calc(var(--p,0) * 1.5 - .25), 1))); }
.dotp { transform-origin: center; transform-box: fill-box; transform: scale(clamp(0, calc((var(--p,0) * 1.5 - .25 - var(--at)) * 8), 1)); }
.phone { transform: translateY(calc((1 - clamp(0, calc(var(--p,0) * 3), 1)) * 60px)); opacity: clamp(0, calc(var(--p,0) * 3), 1); }
.adcard { transform: translateY(calc((1 - clamp(0, calc((var(--p,0) - var(--at)) * 4), 1)) * 26px)); opacity: clamp(0, calc((var(--p,0) - var(--at)) * 4), 1); }

.figures { display: flex; flex-wrap: wrap; gap: clamp(1.4rem, 4vw, 3rem); margin-top: 2rem; }
.figure b { display: block; font-family: var(--ff-d); font-weight: 800; font-size: clamp(1.9rem,4vw,3rem); letter-spacing: -.04em; line-height: 1; }
.figure span { font-size: .8rem; color: var(--mut); }

/* =========================================================
   CENA 5 — O FERRAMENTAL
   Um pulso percorre a esteira e cada etapa acende.
   ========================================================= */
.trilho { stroke-dasharray: var(--c); stroke-dashoffset: calc(var(--c) * (1 - clamp(0, calc(var(--p,0) * 1.2), 1))); }
.etapa {
  --a: clamp(0, calc((var(--p,0) * 1.15 - var(--at)) * 6), 1);
  opacity: calc(.25 + var(--a) * .75);
}
.etapa circle.anel { transform-box: fill-box; transform-origin: center; transform: scale(calc(.6 + var(--a) * .4)); }
.etapa .selo { opacity: var(--a); }
.pulso { transform: translateY(calc(var(--p,0) * 560px)); opacity: clamp(0, calc(var(--p,0) * 8), 1); }

/* =========================================================
   CONTEUDO FINAL
   ========================================================= */
.sec { padding: clamp(4.5rem, 10vw, 8rem) 0; position: relative; }
.sec__head { margin-bottom: clamp(2rem, 5vw, 3.5rem); }
.sec__head h2 { font-size: clamp(2rem, 5vw, 3.6rem); margin-top: .9rem; text-wrap: balance; }

.rv { opacity: 0; transform: translateY(30px); transition: opacity .9s var(--out), transform .9s var(--out); }
.js .rv.is-in, html:not(.js) .rv { opacity: 1; transform: none; }
.rv-1 { transition-delay: .09s } .rv-2 { transition-delay: .18s }

.contact { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem,5vw,4rem); }
.form { display: grid; gap: 1.1rem; }
.field { display: grid; gap: .4rem; }
.field label { font-size: .74rem; letter-spacing: .12em; text-transform: uppercase; color: var(--mut); font-weight: 600; }
.field input, .field textarea, .field select {
  background: transparent; border: 0; border-bottom: 1px solid var(--line-2); padding: .7rem 0; font-size: 1rem;
}
.field input:focus, .field textarea:focus, .field select:focus { outline: none; border-bottom-color: var(--acc); }
.field select option { background: var(--surf); }
.row { display: grid; grid-template-columns: 1fr 1fr; gap: 1.1rem; }
.note { font-size: .8rem; color: var(--mut); }
.note.is-ok { color: var(--acc-txt); font-weight: 600; }
.note.is-erro { color: #FFB020; font-weight: 600; }
.info { display: grid; gap: 1.4rem; align-content: start; }
.info div { border-top: 1px solid var(--line); padding-top: 1.1rem; }
.info h4 { font-size: .72rem; letter-spacing: .14em; text-transform: uppercase; color: var(--mut); font-weight: 600; margin-bottom: .5rem; }
.info a, .info p { font-size: 1.02rem; }
.info a:hover { color: var(--acc-txt); }

.ft { border-top: 1px solid var(--line); padding: 2.5rem 0; }
.ft__in { display: flex; flex-wrap: wrap; gap: 1rem 2rem; justify-content: space-between; align-items: center; font-size: .82rem; color: var(--mut); }
.cert { display: flex; gap: .6rem; }
.cert span { border: 1px solid var(--line); border-radius: 7px; padding: .35rem .7rem; font-family: var(--ff-d); font-weight: 800; font-size: .74rem; color: var(--fg-2); }

/* ---------- RESPONSIVO ---------- */
@media (max-width: 900px) {
  .hdr nav { display: none; }
  .contact, .row { grid-template-columns: 1fr; }
  .scene { height: calc(var(--runway, 200) * .8vh); }
}

/* =========================================================
   MOVIMENTO DESLIGADO — por atributo, nunca so por media query.
   O script no <head> define data-anim: escolha salva do visitante ou,
   na falta dela, a preferencia do sistema. Assim quem tem "Efeitos de
   animacao" desligado no Windows ainda liga tudo no botao.
   ========================================================= */
[data-anim="off"] { scroll-behavior: auto; }
[data-anim="off"] .scene { height: auto; }
[data-anim="off"] .stage {
  position: relative; height: auto; min-height: 0;
  display: block; padding: 0 0 clamp(3rem, 8vw, 5rem);
}
[data-anim="off"] .stage::after { display: none; }
[data-anim="off"] .art { position: relative; height: min(58vh, 440px); }
[data-anim="off"] .copy { padding-top: clamp(2rem, 5vw, 3rem); }
[data-anim="off"] #c-abertura .art { height: min(42vh, 340px); }
[data-anim="off"] .in { opacity: 1 !important; transform: none !important; }
[data-anim="off"] #c-abertura .ln > span { transform: none; }
[data-anim="off"] .scroll-hint { position: static; translate: none; margin-top: 2rem; opacity: 1 !important; }
[data-anim="off"] .scroll-hint i { animation: none; }
[data-anim="off"] .rv { opacity: 1; transform: none; }