/* Inteligência Artificial no Dia a Dia — /iadia
   Identidade visual do criativo "É só copiar e colar":
   creme quente + preto + dourado bronze + faixa amarela + livro azul-marinho. */
:root{
  --black:#111111;
  --ink:#1c1a17;
  --muted:#5a5249;
  --bronze:#a8712a;
  --bronze-d:#8a5a1d;
  --gold:#e2b04a;
  --yellow:#f7c843;
  --yellow-l:#fbdb7c;
  --navy:#141b2e;
  --navy-d:#0c1120;
  --bg:#fbf7f0;
  --cream:#f5ecdd;
  --sand:#efe3cc;
  --line:#e6d9c3;
  --yes:#2f7a4f;
  --no:#a8423c;
  --radius:16px;
  --shadow:0 18px 40px -18px rgba(40,28,10,.35);
  --f-title:'Anton',Impact,'Arial Narrow',sans-serif;
  --f-body:'Poppins',system-ui,-apple-system,'Segoe UI',sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:400 17px/1.6 var(--f-body);overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
h1,h2,h3{font-family:var(--f-body);color:var(--black);margin:0;line-height:1.2;overflow-wrap:break-word}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
svg{width:1em;height:1em;flex-shrink:0}
a{color:var(--bronze-d)}
:focus-visible{outline:3px solid var(--bronze);outline-offset:3px;border-radius:6px}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.wrap{width:100%;max-width:1120px;margin:0 auto;padding:0 20px}
.narrow{max-width:760px}
.center{text-align:center}

.section{padding:64px 0}
.section--tint{background:var(--cream)}

/* Títulos de seção: condensada pesada, como a peça */
.h2{font:400 clamp(1.9rem,7.4vw,2.9rem)/1.08 var(--f-title);text-transform:uppercase;letter-spacing:.005em;color:var(--black);margin-bottom:28px}
.sub{color:var(--muted);font-size:1.05rem;max-width:640px;margin:-12px auto 36px}
.lead{font-size:1.08rem;color:var(--ink);margin-bottom:18px}
.lead strong{color:var(--black)}
.closing{font-weight:600;color:var(--black);font-size:1.1rem;margin-top:36px;max-width:680px;margin-left:auto;margin-right:auto}
.narrow .closing:not(.center){margin-left:0}

/* Botões */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:16px 28px;border-radius:12px;font:800 1rem/1.2 var(--f-body);text-transform:uppercase;letter-spacing:.03em;text-decoration:none;text-align:center;transition:transform .15s ease,box-shadow .15s ease,background .15s ease}
.btn svg{width:18px;height:18px}
.btn--ghost{background:transparent;color:var(--black);border:2px solid var(--black)}
.btn--ghost:hover{background:var(--black);color:var(--yellow)}
.btn--buy{width:100%;max-width:420px;background:linear-gradient(180deg,var(--yellow-l),var(--yellow));color:var(--black);border:2px solid var(--black);box-shadow:0 6px 0 var(--black);font-size:1.1rem}
.btn--buy:hover{transform:translateY(-2px);box-shadow:0 8px 0 var(--black)}
.btn--buy:active{transform:translateY(4px);box-shadow:0 2px 0 var(--black)}

/* DOBRA 01 — Hero: parede creme com luz de janela */
.hero{background:
  linear-gradient(115deg,transparent 0 55%,rgba(255,255,255,.55) 55% 62%,transparent 62% 70%,rgba(255,255,255,.4) 70% 74%,transparent 74%),
  radial-gradient(900px 520px at 85% 0%,rgba(255,236,200,.9),transparent 65%),
  linear-gradient(180deg,#f8f1e6,#f1e6d3);
  padding:20px 0 32px}
/* v2 pós-Clarity: hero compacto — promessa, produto, preço e CTA na abertura */
.hero__grid{display:grid;gap:16px}
.eyebrow{display:flex;align-items:center;gap:10px;font:600 .72rem/1.4 var(--f-body);letter-spacing:.14em;text-transform:uppercase;color:var(--bronze-d);margin-bottom:8px}
.eyebrow::before{content:"";flex:0 0 22px;height:2px;background:var(--bronze)}
@media (max-width:359px){.eyebrow{letter-spacing:.08em;font-size:.68rem}}
.hero__name{font-family:var(--f-title);text-transform:uppercase;line-height:1;margin-bottom:10px;display:flex;flex-direction:column}
.hero__name-1{font-size:clamp(1.85rem,9.4vw,3.6rem);color:var(--black)}
.hero__name-3{font-size:clamp(1.85rem,9.4vw,3.6rem);color:var(--bronze)}
.hero__title{font:600 clamp(1.05rem,4.6vw,1.4rem)/1.35 var(--f-body);color:var(--ink);letter-spacing:0}
.hero__product{display:grid;grid-template-columns:minmax(84px,30%) 1fr;gap:16px;align-items:center}
.hero__media{margin:0}
.hero__media img{border-radius:8px;box-shadow:var(--shadow)}
.hero__list{display:grid;gap:10px}
.hero__list li{display:flex;gap:9px;align-items:flex-start;font-size:clamp(.86rem,3.7vw,1rem);line-height:1.35;color:var(--ink)}
.hero__list strong{color:var(--black);font-weight:700}
.hero__list svg{width:20px;height:20px;padding:4px;border-radius:50%;background:var(--yes);color:#fff;margin-top:1px}
.hero__offer{display:flex;align-items:center;justify-content:center;gap:14px;margin-bottom:12px}
.hero__price{font:400 2.6rem/1 var(--f-title);color:var(--black)}
.hero__terms{font:600 .8rem/1.3 var(--f-body);letter-spacing:.06em;text-transform:uppercase;color:var(--ink);border-left:2px solid var(--bronze);padding-left:14px;text-align:left}
.hero__buy{text-align:center}
.hero__buy .btn--buy{max-width:none}
.hero__note{font-size:.86rem;color:var(--muted);margin-top:14px}
.hero__more{display:inline-flex;align-items:center;gap:6px;margin-top:8px;padding:8px 4px;font-weight:600;font-size:.92rem;color:var(--black)}
.hero__more svg{width:16px;height:16px}

/* DOBRA 03 — Vozes */
.voices{display:grid;gap:14px}
.voices li{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px 20px 20px 56px;font-weight:500;color:var(--black);font-size:1.02rem;line-height:1.45}
.voices li::before{content:"";position:absolute;left:20px;top:22px;width:20px;height:20px;border-radius:50% 50% 50% 4px;background:var(--yellow);border:2px solid var(--black)}

/* DOBRA 04 — Callout: azul-marinho do livro + dourado */
.callout{margin-top:30px;background:linear-gradient(160deg,var(--navy),var(--navy-d));color:#fff;border-radius:var(--radius);padding:26px 24px;display:grid;gap:10px;font:600 1.1rem/1.45 var(--f-body);border-bottom:4px solid var(--gold)}
.callout span{display:inline-block;font:400 .9rem/1 var(--f-title);letter-spacing:.08em;text-transform:uppercase;padding:6px 10px;border-radius:6px;margin-right:8px;vertical-align:2px}
.callout p:first-child span{background:rgba(255,255,255,.12);color:#d9d3c4}
.callout p:last-child span{background:var(--gold);color:var(--black)}

/* DOBRA 05 — Passos */
.steps{display:grid;gap:16px}
.steps li{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:24px 22px 22px}
.steps__n{display:grid;place-items:center;width:46px;height:46px;border-radius:50%;background:var(--yellow);border:2px solid var(--black);color:var(--black);font:400 1.35rem/1 var(--f-title);margin-bottom:14px}
.steps h3{font:400 1.4rem/1.1 var(--f-title);text-transform:uppercase;letter-spacing:.02em;color:var(--black);margin-bottom:8px}
.steps p{color:var(--muted);font-size:.98rem}
.steps p+p{margin-top:6px}
.steps p strong{color:var(--black);font-weight:600}

/* DOBRA 06 — Conteúdo: ícones em círculos de areia, como na peça */
.cards{display:grid;gap:12px}
.cards li{display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:20px}
.cards svg{width:48px;height:48px;padding:12px;border-radius:50%;background:var(--sand);color:var(--black)}
.cards h3{font-size:1.02rem;font-weight:700;margin-bottom:4px}
.cards p{color:var(--muted);font-size:.95rem;line-height:1.5}

/* v2 — Respostas rápidas + CTA intermediário */
.quick{margin:36px auto 0;max-width:760px;display:grid;gap:22px}
.quick__notes{display:grid;gap:10px}
.quick__notes li{display:flex;gap:14px;align-items:flex-start;border-left:4px solid var(--bronze);background:var(--bg);border-radius:0 12px 12px 0;padding:14px 16px}
.quick__notes svg{width:22px;height:22px;color:var(--bronze);margin-top:2px}
.quick__notes p{font-size:.95rem;line-height:1.5;color:var(--muted)}
.quick__notes strong{color:var(--black);font-weight:600}
.quick__buy{text-align:center}
.quick__price{font:600 .85rem/1.3 var(--f-body);letter-spacing:.05em;text-transform:uppercase;color:var(--ink);margin-bottom:14px;display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap}
.quick__price span{font:400 2.2rem/1 var(--f-title);letter-spacing:0;color:var(--black)}

/* DOBRA 07 — Para quem */
.fit{display:grid;gap:18px}
.fit__col{border-radius:var(--radius);padding:26px 22px;border:1px solid var(--line);background:#fff}
.fit__col h3{font:400 1.5rem/1.1 var(--f-title);text-transform:uppercase;margin-bottom:16px}
.fit__col ul{display:grid;gap:12px}
.fit__col li{display:flex;gap:12px;align-items:flex-start;line-height:1.5}
.fit__col li svg{width:22px;height:22px;padding:4px;border-radius:50%;margin-top:1px}
.fit__col--yes{border-top:5px solid var(--yes)}
.fit__col--yes li svg{background:var(--yes);color:#fff}
.fit__col--no{border-top:5px solid var(--no);background:#fbf5ef}
.fit__col--no li svg{background:var(--no);color:#fff}

/* DOBRA 08 — Ancoragem */
.anchor{display:grid;gap:32px;align-items:center}
.facts{display:flex;flex-wrap:wrap;gap:10px;margin:8px 0 24px}
.facts li{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 14px;font-weight:500;font-size:.92rem;color:var(--black)}
.facts svg{width:18px;height:18px;color:var(--bronze)}
.highlight{font:600 1.1rem/1.45 var(--f-body);color:var(--black);background:var(--yellow-l);border-left:5px solid var(--black);border-radius:0 12px 12px 0;padding:18px 20px}
.anchor__media{margin:0;justify-self:center;max-width:320px;width:100%;display:none} /* v2: no celular a capa já aparece no hero e na oferta */
.anchor__media img{border-radius:14px;box-shadow:var(--shadow)}

/* DOBRA 09 — Oferta */
.offer-sec{background:linear-gradient(180deg,var(--bg),var(--cream))}
.offer{background:#fff;border:2px solid var(--black);border-radius:20px;padding:30px 22px;text-align:center;box-shadow:0 24px 50px -28px rgba(40,28,10,.45);max-width:520px;margin:0 auto}
.offer__img{width:190px;margin:0 auto 18px;border-radius:12px;box-shadow:var(--shadow)}
.offer__name{font:400 1.7rem/1.1 var(--f-title);text-transform:uppercase;color:var(--black)}
.offer__fmt{color:var(--muted);margin-top:6px}
.offer__price{font:400 clamp(3.6rem,17vw,5rem)/1 var(--f-title);color:var(--black);margin:22px 0 26px}
.offer__note{color:var(--muted);font-size:.92rem;margin-top:16px}
.offer__price:has(+ .offer__access){margin-bottom:12px}
.offer__access{font:400 1.25rem/1 var(--f-title);letter-spacing:.08em;color:var(--black);margin:0 0 22px}

/* FAQ */
.faq{display:grid;gap:12px}
.faq details{background:#fff;border:1px solid var(--line);border-radius:14px}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;padding:18px 20px;font:600 1.02rem/1.4 var(--f-body);color:var(--black);min-height:56px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";flex-shrink:0;display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--yellow);border:2px solid var(--black);color:var(--black);font:700 1.1rem/1 var(--f-body)}
.faq details[open] summary::after{content:"−"}
.faq details p{padding:0 20px 20px;color:var(--muted)}

/* DOBRA 12 — Final: a faixa amarela da peça */
.final{background:linear-gradient(180deg,var(--yellow-l),var(--yellow));color:var(--black)}
.final .h2{color:var(--black)}
.final .h2::after{content:"";display:block;width:min(70%,420px);height:6px;margin:16px auto 0;background:var(--black);border-radius:50%/100%;transform:rotate(-1deg)}
.final .lead{color:var(--ink)}
.final__name{font:600 1rem/1.4 var(--f-body);color:var(--ink);margin-top:28px}
.final .offer__price{color:var(--black)}
.final .btn--buy{background:var(--black);color:var(--yellow);border-color:var(--black);box-shadow:0 6px 0 rgba(0,0,0,.35)}
.final .btn--buy:hover{box-shadow:0 8px 0 rgba(0,0,0,.35)}
.final .offer__note{color:var(--ink)}

/* Rodapé */
.footer{background:var(--black);color:#b9b1a3;padding:36px 0;font-size:.88rem}
.footer__brand{margin-top:12px;color:var(--gold);font-weight:600;letter-spacing:.08em}

/* v2 — Barra fixa mobile (opção de teste, desligada no HTML) */
.sticky{position:fixed;left:0;right:0;bottom:0;z-index:50;display:flex;align-items:center;gap:12px;padding:10px 16px calc(10px + env(safe-area-inset-bottom));background:#fff;border-top:2px solid var(--black);box-shadow:0 -10px 30px -12px rgba(40,28,10,.35);transform:translateY(110%);transition:transform .25s ease}
.sticky.is-on{transform:none}
.sticky[hidden]{display:none}
.sticky__price{font:400 1.7rem/1 var(--f-title);color:var(--black);white-space:nowrap}
.sticky__price span{display:block;font:600 .68rem/1.3 var(--f-body);letter-spacing:.06em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.sticky .btn--buy{flex:1;min-height:50px;padding:12px 14px;font-size:.98rem;box-shadow:0 4px 0 var(--black)}
@media (prefers-reduced-motion:reduce){.sticky{transition:none}}

/* Tablet/desktop */
@media (min-width:720px){
  .voices{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr}
  .cards{grid-template-columns:1fr 1fr;gap:16px}
  .fit{grid-template-columns:1fr 1fr}
  .anchor__media{display:block}
  .hero{padding:40px 0 48px}
  .hero__grid{grid-template-columns:1fr 1fr;grid-template-areas:"copy copy" "product buy";column-gap:40px;align-items:center}
  .hero__copy{grid-area:copy}
  .hero__product{grid-area:product}
  .hero__buy{grid-area:buy}
  .sticky{display:none}
}

@media (min-width:960px){
  body{font-size:18px}
  .section{padding:96px 0}
  .hero{padding:64px 0 72px}
  .hero__grid{grid-template-columns:1.2fr .8fr;grid-template-areas:"copy media" "list media" "buy media";column-gap:64px;row-gap:24px;align-items:start}
  .hero__product{display:contents}
  .hero__media{grid-area:media;align-self:center;max-width:380px;justify-self:center}
  .hero__media img{border-radius:14px}
  .hero__list{grid-area:list;gap:12px}
  .hero__list li{font-size:1.05rem}
  .hero__copy{align-self:end}
  .hero__title{font-size:1.5rem;max-width:560px}
  .hero__buy{text-align:left;max-width:480px}
  .hero__offer{justify-content:flex-start}
  .hero__price{font-size:3rem}
  .voices{grid-template-columns:repeat(3,1fr)}
  .steps{grid-template-columns:repeat(4,1fr)}
  .anchor{grid-template-columns:1.2fr .8fr;gap:56px}
}