/* Página de vendas do guia "Seu primeiro agente de IA em uma tarde, sem programar".
   Identidade da diar.ia.br (github.com/vjpixel/diaria-design): papel, tinta, bege e teal,
   Georgia nos títulos, Geist no corpo e Geist Mono nos rótulos. Sem seta em botão (#9721). */
:root{
  --paper:#FBFAF6;--paper-alt:#EBE5D0;--ink:#171411;--brand:#00A0A0;--rule:#EBE5D0;--white:#FFFFFF;
  --serif:Georgia,"Times New Roman",serif;
  --sans:"Geist",-apple-system,BlinkMacSystemFont,"Segoe UI",system-ui,sans-serif;
  --mono:"Geist Mono","JetBrains Mono",ui-monospace,monospace;
  --rule-ink:rgba(23,20,17,.18);--max:1140px;--gutter:24px;--gap:24px;--float-h:56px
}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:18px;line-height:1.55;overflow-x:hidden}
img{display:block;max-width:100%;height:auto}
a{color:inherit}
h1,h2,h3,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
h1,h2,h3{font-family:var(--serif);font-weight:700;color:var(--ink);letter-spacing:-.02em}
h1{font-size:clamp(38px,4.6vw,56px);line-height:1.04;letter-spacing:-.035em}
h2{font-size:clamp(30px,4.2vw,50px);line-height:1.08;margin-bottom:28px;max-width:900px}
h3{font-size:22px;line-height:1.25}
h1 em,h2 em{font-style:italic;color:var(--brand)}
p+p{margin-top:16px}
.sprite{position:absolute;width:0;height:0;overflow:hidden}
.visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.icon{width:24px;height:24px;flex:none;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round}

.wrap{width:100%;max-width:var(--max);margin:0 auto;padding:0 var(--gutter)}
.narrow{max-width:860px}
.center{text-align:center}
.center h2{margin-left:auto;margin-right:auto}
.section{padding:88px 0}
.section-tight{padding:56px 0}
.section-recessed{background:var(--paper-alt)}
/* Teal sobre bege fica abaixo de 3:1; nas seções recuadas a ênfase é só o itálico. */
.section-recessed h2 em{color:var(--ink)}
.kicker{font-family:var(--mono);font-size:12px;font-weight:500;letter-spacing:.16em;text-transform:uppercase;color:var(--ink);margin-bottom:16px}
.kicker::before{content:"● ";color:var(--brand)}
.lead{font-size:clamp(18px,1.6vw,21px);margin-top:24px;max-width:560px}
.small{font-size:15px}
.closing{font-family:var(--serif);font-size:clamp(21px,2.2vw,26px);line-height:1.35;margin-top:40px;max-width:820px}
.center .closing{margin-left:auto;margin-right:auto}

/* Barra da marca e rodapé */
.brand-bar{border-bottom:2px solid var(--ink);padding:14px var(--gutter)}
.brand-bar img{height:26px;width:auto;margin:0 auto}
.site-footer{border-top:2px solid var(--ink);padding:32px var(--gutter) calc(var(--float-h) + 16px + 32px)}
.site-footer img{height:22px;width:auto;margin:0 auto}
.site-footer p{text-align:center;font-size:14px;margin:16px 0 0}

/* Botões: pílulas de tinta, hover só com opacidade */
.button{display:inline-flex;align-items:center;justify-content:center;min-height:56px;padding:16px 32px;border-radius:999px;background:var(--ink);color:var(--paper);font-family:var(--sans);font-weight:600;font-size:18px;line-height:1.2;text-decoration:none;text-align:center;transition:opacity .15s}
.button:hover{opacity:.85}
.button:focus-visible,.float-cta:focus-visible,summary:focus-visible{outline:3px solid var(--brand);outline-offset:3px}
.button-light{background:var(--paper);color:var(--ink)}

/* Hero */
.hero{padding:64px 0 72px}
.hero-grid{display:grid;grid-template-columns:45fr 55fr;gap:56px;align-items:center}
.hero-visual{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);align-items:center}
.page{border:1px solid var(--rule);border-radius:6px;background:var(--white);overflow:hidden;box-shadow:0 1px 2px rgba(23,20,17,.04)}
.page img{width:100%;aspect-ratio:900/1273;object-fit:cover;object-position:top}

/* Pasta de arquivos */
.folder{border:1px solid var(--rule);border-radius:12px;background:var(--white);padding:18px;font-family:var(--mono);font-size:12px;line-height:1.3;min-width:0}
.folder-top{display:flex;align-items:center;gap:8px;font-weight:500;padding-bottom:12px;margin-bottom:12px;border-bottom:1px solid var(--rule)}
.folder ul{display:grid;gap:10px}
.folder li{display:flex;align-items:center;gap:8px;min-width:0}
.folder li span{overflow-wrap:anywhere}
.folder li.d1{padding-left:20px}
.icon-file{width:16px;height:16px;color:var(--brand)}
.icon-approve{width:18px;height:18px;color:var(--brand);margin-left:auto}

/* Duas colunas */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.split-visual-first .split-visual{order:0}
.dash-list{display:grid;gap:10px;margin:18px 0 22px}
.dash-list li{position:relative;padding-left:22px}
.dash-list li::before{content:"";position:absolute;left:0;top:.8em;width:10px;height:2px;background:var(--brand)}
.quote{font-family:var(--serif);font-style:italic;font-size:24px;margin:8px 0 18px}

/* Demonstração: trilho de cinco etapas */
.track{display:grid;gap:0;border:1px solid var(--rule);border-radius:12px;background:var(--white);padding:28px}
.track li{display:flex;align-items:center;gap:16px;font-family:var(--serif);font-size:24px;position:relative;padding:12px 0}
.track li+li::before{content:"";position:absolute;left:23px;top:-12px;height:24px;width:2px;background:var(--rule)}
.icon-node{width:48px;height:48px;padding:11px;border-radius:999px;background:var(--paper-alt);color:var(--ink)}

/* Diálogo negativo: conversa longa */
.chat{max-width:560px;margin:8px auto 40px;border:1px solid var(--rule);border-radius:12px;background:var(--paper);text-align:left;overflow:hidden}
.chat-top{display:flex;gap:6px;padding:12px 16px;border-bottom:1px solid var(--rule)}
.chat-top i{width:8px;height:8px;border-radius:50%;background:var(--paper-alt)}
.chat-body{display:grid;gap:12px;padding:20px;max-height:380px;overflow:hidden;mask-image:linear-gradient(#000 78%,transparent);-webkit-mask-image:linear-gradient(#000 78%,transparent)}
.bubble{display:grid;gap:7px;padding:12px 14px;border-radius:12px;width:72%;margin:0}
p.bubble{display:block;width:auto;max-width:82%;font-size:15px;line-height:1.45}
.bubble mark{background:rgba(0,160,160,.16);color:inherit;padding:1px 3px;border-radius:3px;box-decoration-break:clone;-webkit-box-decoration-break:clone}
.bubble b{display:block;height:8px;border-radius:4px;background:rgba(23,20,17,.14)}
.bubble b.s{width:55%}
.bubble.me{justify-self:end;background:var(--paper-alt)}
.bubble.ai{justify-self:start;background:var(--white);border:1px solid var(--rule)}
.thoughts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;text-align:left}
.thoughts li{font-family:var(--serif);font-style:italic;font-size:20px;line-height:1.35;padding:20px;border:1px solid var(--rule);border-radius:12px;background:var(--paper)}

/* Virada: quatro pilares */
.pillars{display:grid;gap:16px}
.pillars li{display:flex;gap:16px;align-items:flex-start;padding:20px;border:1px solid var(--rule);border-radius:12px;background:var(--white)}
.pillars strong{display:block;font-family:var(--serif);font-size:24px;line-height:1.2}
.pillars p{margin-top:4px}
.icon-pillar{width:44px;height:44px;padding:10px;border-radius:999px;background:var(--paper-alt)}
.mechanism{margin-top:40px;padding:24px 28px;border-radius:12px;background:var(--paper-alt);font-family:var(--serif);font-size:clamp(20px,2vw,24px);line-height:1.4}

/* Cartões */
.card{border:1px solid var(--rule);border-radius:12px;background:var(--white);padding:36px}
.section-recessed .card{background:var(--paper)}
.positive{display:grid;grid-template-columns:1.3fr 1fr;gap:36px;text-align:left;align-items:center}
.positive-list,.benefits,.offer-list{display:grid;gap:14px}
.positive-list li,.benefits li,.offer-list li{display:flex;gap:12px;align-items:flex-start}
.icon-check{width:22px;height:22px;color:var(--brand);margin-top:3px}
.positive-list span{font-family:var(--serif);font-style:italic;font-size:20px;line-height:1.35}

/* Características */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.feature{padding:28px;border:1px solid var(--rule);border-radius:12px;background:var(--white)}
.feature h3{margin:16px 0 10px}
.feature p{font-size:17px}
.icon-feature{width:32px;height:32px;color:var(--brand)}
.feature:last-child{grid-column:1/-1;display:grid;grid-template-columns:auto 1fr;column-gap:20px;align-items:start}
.feature:last-child .icon-feature{grid-row:span 2}
.feature:last-child h3{margin-top:0}

/* Benefícios: prompt isolado e processo */
.compare{display:grid;gap:var(--gap)}
.compare-box{padding:24px;border:1px solid var(--rule);border-radius:12px;background:var(--paper)}
.compare-box .kicker{margin-bottom:14px}
.compare-box .kicker::before,.toc .kicker::before{content:""}
.blob{display:grid;gap:7px}
.blob b{display:block;height:8px;border-radius:4px;background:rgba(23,20,17,.14)}
.blob b.s{width:40%}
.compare-good{background:var(--white)}
.chips{display:grid;gap:10px}
.chips li{display:flex;align-items:center;gap:10px;font-family:var(--mono);font-size:14px;padding:10px 12px;border:1px solid var(--rule);border-radius:999px}

/* Entrega */
.deliver{display:grid;grid-template-columns:1.2fr 1fr;gap:40px;margin-top:8px}
.deliver-visual{display:grid;grid-template-columns:1fr 1fr;gap:var(--gap);align-items:start}
.toc{font-size:15px;line-height:1.35}
.toc ol{display:grid;gap:10px;counter-reset:t}
.toc li{padding-bottom:10px;border-bottom:1px solid var(--rule)}

/* Bullets */
.crops{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);margin-bottom:var(--gap)}
.crop{border:1px solid var(--rule);border-radius:6px;overflow:hidden;background:var(--white)}
.crop img{width:100%;aspect-ratio:4/3;object-fit:cover;object-position:top}
.bullet-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap)}
.bullet{display:flex;flex-direction:column;gap:14px;padding:24px;border:1px solid var(--rule);border-radius:12px;background:var(--paper)}
.bullet p{flex:1;font-size:17px}
.icon-lock{width:22px;height:22px;color:var(--brand)}
.pill{align-self:flex-start;font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;padding:6px 12px;border-radius:4px;background:var(--paper-alt)}

/* Objeções */
.objections li{display:flex;gap:20px;padding:28px 0;border-top:1px solid var(--rule)}
.objections li:last-child{border-bottom:1px solid var(--rule)}
.objections h3{font-style:italic;margin-bottom:8px}
.icon-obj{width:28px;height:28px;color:var(--brand);margin-top:2px}

/* Oferta */
.offer{max-width:720px;margin:0 auto;text-align:center;display:flex;flex-direction:column;align-items:center}
.page-offer{width:180px;margin-bottom:28px}
.offer-list{text-align:left;margin:4px 0 28px;width:100%;max-width:520px}
.price{font-family:var(--serif);font-weight:700;font-size:clamp(56px,7vw,76px);line-height:1;letter-spacing:-.03em}
.offer .small{margin:10px 0 24px}

/* Garantia */
.guarantee{display:flex;gap:24px;align-items:flex-start;padding:32px;border-radius:12px;background:var(--paper-alt)}
.guarantee h2{margin-bottom:12px}
.icon-guarantee{width:48px;height:48px;color:var(--ink)}

/* Autor */
.author{display:grid;grid-template-columns:45fr 55fr;gap:56px;align-items:center}
.author-photo{border-radius:6px;overflow:hidden;background:var(--paper-alt);aspect-ratio:4/5}
.author-photo img{width:100%;height:100%;object-fit:cover}

/* FAQ */
.faq details{border-top:1px solid var(--rule-ink)}
.faq details:last-child{border-bottom:1px solid var(--rule-ink)}
.faq summary{cursor:pointer;list-style:none;display:flex;justify-content:space-between;gap:16px;padding:22px 0;font-family:var(--serif);font-size:22px;font-weight:700;line-height:1.3}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-weight:500;color:var(--brand);flex:none}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 0 22px;max-width:720px}

/* CTA final */
.final{background:var(--ink);color:var(--paper)}
.final h2,.final p{color:var(--paper)}
.final .kicker{color:var(--paper)}
.final-highlight{font-family:var(--serif);font-style:italic;font-size:clamp(22px,2.4vw,28px);margin:28px 0 32px}
.final .small{margin-top:16px;color:var(--paper-alt)}

/* Botão flutuante: única peça fixa da página */
.float-cta{position:fixed;left:50%;bottom:16px;z-index:50;transform:translate(-50%,8px);opacity:0;pointer-events:none;display:inline-flex;align-items:center;justify-content:center;min-height:var(--float-h);padding:16px 32px;border-radius:999px;background:var(--ink);color:var(--paper);font-weight:600;font-size:17px;text-decoration:none;white-space:nowrap;box-shadow:0 8px 28px rgba(23,20,17,.18);transition:opacity .2s,transform .2s}
.float-cta.is-visible{opacity:1;transform:translate(-50%,0);pointer-events:auto}
.float-cta[hidden]{display:none}

@media (max-width:1023px){
  .hero-grid,.split,.author,.deliver,.positive{grid-template-columns:1fr;gap:40px}
  .split-visual-first .split-visual{order:2}
  .hero-visual{max-width:640px}
  .author-photo{max-width:420px}
  .feature-grid,.bullet-grid,.thoughts{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  :root{--gutter:16px;--gap:16px}
  body{font-size:17px}
  .section{padding:64px 0}
  .hero{padding:44px 0 64px}
  .hero-visual{grid-template-columns:1fr}
  .page-hero{max-width:300px;margin:0 auto;width:100%}
  .feature-grid,.bullet-grid,.thoughts,.crops,.deliver-visual{grid-template-columns:1fr}
  .crops .crop:nth-child(n+2){display:none}
  .card{padding:24px}
  .guarantee{flex-direction:column;padding:24px}
  .objections li{gap:14px}
  .faq summary{font-size:20px}
  .button{width:100%}
  .float-cta{left:16px;right:16px;transform:translateY(8px);white-space:normal}
  .float-cta.is-visible{transform:translateY(0)}
  .page-small{max-width:240px}
}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}.float-cta{transition:none}}