/* Landing: mesmo estilo editorial do blog (Fraunces + Inter, formas coloridas, botões em pílula),
   com outra paleta: cobalto, limão, água e lilás sobre um branco azulado. Carrega depois do <style> da página. */
:root{--brand:#2d4bff;--brand2:#2038d6;--ink:#0d1330;--mute:#5b6384;--line:#dfe4f6;--bg:#f4f6fd;--card:#fff;
  --cobalt:#2d4bff;--lime:#c8f03a;--aqua:#27d3e3;--lilac:#c9bcff;--serif:"Fraunces",Georgia,"Times New Roman",serif;--sans:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
html{scroll-padding-top:84px}
body{font:17px/1.6 var(--sans);overflow-x:hidden}
h1,h2,h3{font-family:var(--serif)}
a{color:var(--cobalt)}
.wrap{max-width:1160px;padding:0 24px}

/* botões */
.btn{border-radius:999px;padding:15px 26px;font-family:var(--sans);font-weight:600;font-size:16px;transition:transform .15s,box-shadow .15s,background .15s}
.btn.p{background:var(--cobalt);box-shadow:0 12px 26px -10px rgba(45,75,255,.7)}
.btn.p:hover{background:var(--brand2);transform:translateY(-2px);box-shadow:0 16px 30px -10px rgba(45,75,255,.8)}
.btn.s{background:#fff;border:1.5px solid var(--ink);color:var(--ink)}.btn.s:hover{background:var(--lime);border-color:var(--ink);transform:translateY(-2px)}
.btn.sm{padding:10px 18px;font-size:14px}

/* topo */
header{background:rgba(244,246,253,.82);backdrop-filter:saturate(1.4) blur(12px);-webkit-backdrop-filter:saturate(1.4) blur(12px);border-bottom:1px solid var(--line)}
header nav{gap:4px}
header nav a.l{font-weight:500;font-size:15px;padding:8px 13px;border-radius:999px;color:var(--mute)}header nav a.l:hover{color:var(--ink);background:#e7ebfb}
header nav .btn.sm{margin-left:6px}
.lang{border-radius:999px;border:1px solid var(--line);background:#fff;padding:7px 10px;margin-left:4px}

/* hero */
.hero{overflow:hidden;padding:76px 0 70px;background:radial-gradient(60% 70% at 92% 8%,rgba(201,188,255,.55),transparent 70%),radial-gradient(50% 60% at 4% 100%,rgba(200,240,58,.32),transparent 70%),var(--bg)}
.hero:after{content:"";position:absolute;inset:auto 0 0 0;height:110px;background:linear-gradient(transparent,var(--bg));z-index:0}
.hero:before{content:"";position:absolute;right:-90px;top:-70px;width:330px;height:330px;border-radius:50%;background:var(--lime);opacity:.85;animation:fl 10s ease-in-out infinite}
.hero .wrap:before{content:"";position:absolute;left:-170px;bottom:-120px;width:230px;height:230px;border-radius:38% 62% 55% 45%/48% 40% 60% 52%;background:var(--cobalt);opacity:.92;animation:fl 12s ease-in-out -4s infinite;z-index:0}
.hero .wrap:after{content:"";position:absolute;left:46%;top:-30px;width:78px;height:78px;border-radius:22px;background:var(--aqua);transform:rotate(14deg);animation:fl 9s ease-in-out -2s infinite;z-index:0}
.hero .wrap>div{position:relative;z-index:1}
@keyframes fl{50%{transform:translateY(-16px) rotate(6deg)}}
.eyebrow{font:700 12px/1 var(--sans);letter-spacing:.14em;text-transform:uppercase;color:#4b2fd1;background:#e4defe;padding:9px 15px;border-radius:999px;margin-bottom:22px}
.hero h1{font:800 clamp(40px,5.8vw,78px)/.98 var(--serif);letter-spacing:-.035em;font-variation-settings:"opsz" 144}
.hero h1 em{font-style:italic;font-weight:700;color:var(--cobalt);background:linear-gradient(transparent 64%,var(--lime) 64% 93%,transparent 93%);padding:0 .06em}
.hero p.lead{font-size:clamp(17px,1.8vw,20px);color:var(--mute);max-width:540px}
.hero small{color:var(--mute)}

/* ilustração do hero: cartões coloridos */
.art .c{border-radius:18px;border:1px solid rgba(13,19,48,.07);box-shadow:0 22px 44px -16px rgba(13,19,48,.4);font-size:14px}
.art .c b{font-family:var(--serif);font-weight:700;color:var(--ink)}
.art .n1{background:#e9fb9c;transform:rotate(-3deg)}
.art .n2{background:#fff;border-top:6px solid var(--cobalt);transform:rotate(2deg)}
.art .n2 i:before{border-color:var(--cobalt)}.art .n2 i.d:before{background:var(--cobalt)}
.art .img{background:linear-gradient(135deg,var(--aqua),var(--cobalt) 62%,#7b5cff);border:6px solid #fff;border-radius:22px}
.art .img:after{background:var(--lime);opacity:1;box-shadow:0 0 0 8px rgba(200,240,58,.35)}
.art .tbl div:last-child{color:var(--cobalt)}
.art path{stroke:var(--ink);stroke-width:2.4;stroke-dasharray:1 8}
.arthint{background:#fff;border:1px solid var(--line)}

/* títulos de seção */
section{padding:84px 0}
.title{margin-bottom:46px}
.title h2{font:800 clamp(32px,4.6vw,54px)/1.04 var(--serif);letter-spacing:-.03em;font-variation-settings:"opsz" 144}
.title h2:after{content:"";display:block;width:76px;height:10px;border-radius:99px;background:var(--lime);margin:16px auto 0;transform:rotate(-2deg)}
#recursos .title h2:after{background:var(--cobalt)}#planos .title h2:after{background:var(--aqua)}#faq .title h2:after{background:var(--lilac)}
.title p{font-size:19px;max-width:620px;margin:16px auto 0}

/* demonstração */
#demo{padding-top:36px;position:relative}
#demo:before{content:"";position:absolute;left:50%;top:70px;width:min(900px,92%);height:70%;transform:translateX(-50%);background:linear-gradient(120deg,var(--cobalt),var(--aqua) 55%,var(--lime));filter:blur(70px);opacity:.28;z-index:0;border-radius:50%}
#demo .wrap{position:relative;z-index:1}
.stage{border-radius:26px;border:1.5px solid var(--ink);box-shadow:10px 10px 0 var(--ink)}
.stage .bar{background:#fff;border-bottom:1.5px solid var(--ink)}
.stage .bar i:nth-child(1){background:#ff6b6b}.stage .bar i:nth-child(2){background:var(--lime)}.stage .bar i:nth-child(3){background:var(--aqua)}
.stage .bar button{border-radius:999px;background:#eef1fc;padding:7px 14px;font-weight:600}.stage .bar button:hover{background:var(--lime)}
.stage.full{border-radius:0;box-shadow:none}
.lock span{background:var(--ink);border-radius:999px;padding:16px 28px;font-size:17px}
.hints{gap:16px}
.hint{display:block;position:relative;background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 16px 16px 58px;color:var(--mute);font-size:14.5px;transition:transform .15s}
.hint:hover{transform:translateY(-3px) rotate(-.6deg)}
.hint b{position:absolute;left:16px;top:16px;width:30px;height:30px;font:700 14px var(--sans);background:var(--lime);color:var(--ink)}
.hint:nth-child(2) b{background:var(--lilac)}.hint:nth-child(3) b{background:var(--aqua)}.hint:nth-child(4) b{background:#ffd6e4}
.hint strong{color:var(--ink)}

/* recursos */
#recursos{background:#e8ecfd;border-radius:48px;margin:20px 14px}
.f,.f.lv{border-radius:24px;border:1px solid var(--line);background:#fff;transition:transform .2s,box-shadow .2s}
.f.lv:hover{transform:translateY(-5px) rotate(-.3deg);box-shadow:0 26px 44px -22px rgba(45,75,255,.5)}
.f.lv .tx{border-top:5px solid var(--cobalt)}
.f.lv:nth-child(4n+2) .tx{border-top-color:var(--lime)}.f.lv:nth-child(4n+3) .tx{border-top-color:var(--aqua)}.f.lv:nth-child(4n+4) .tx{border-top-color:var(--lilac)}
.f.lv h3{font:700 20px var(--serif);letter-spacing:-.01em}.f.lv p{font-size:14.5px}
.dm{background-color:#f3f5fd}
.mini{border-radius:999px;background:var(--cobalt);padding:9px 16px}

/* como começar */
.steps{gap:28px}
.st{padding:62px 22px 22px;background:#fff;border:1px solid var(--line);border-radius:24px}
.st:before{left:22px;top:-18px;width:56px;height:56px;font:800 26px var(--serif);background:var(--lime);color:var(--ink);transform:rotate(-8deg);box-shadow:0 10px 20px -8px rgba(13,19,48,.4)}
.st:nth-child(2):before{background:var(--lilac)}.st:nth-child(3):before{background:var(--aqua)}
.st h3{font:700 22px var(--serif)}

/* planos */
.plans{gap:24px;max-width:860px}
.plan{border-radius:28px;padding:36px;border:1px solid var(--line);position:relative;overflow:hidden}
.plan h3{font:800 28px var(--serif);letter-spacing:-.02em}
.plan li:before{border-color:var(--cobalt)}
.plan .btn{width:100%}
.plan.hi{background:var(--ink);color:#fff;border:0;box-shadow:0 34px 60px -26px rgba(45,75,255,.7)}
.plan.hi:before{content:"";position:absolute;right:-50px;top:-50px;width:170px;height:170px;border-radius:50%;background:var(--lime);opacity:.9}
.plan.hi>*{position:relative}
.plan.hi .pr{color:#aab3de}.plan.hi li{color:#fff}.plan.hi li:before{border-color:var(--lime)}
.plan.hi .btn.p{background:var(--lime);color:var(--ink);box-shadow:none}.plan.hi .btn.p:hover{background:#d8ff5a}

/* perguntas */
details{border-radius:20px;padding:18px 22px;border:1px solid var(--line);transition:box-shadow .2s}
details:hover{box-shadow:0 14px 30px -20px rgba(45,75,255,.5)}
summary{font:600 17px var(--sans)}
summary:after{content:"+";flex:none;width:30px;height:30px;border-radius:50%;background:var(--lime);color:var(--ink);display:grid;place-items:center;font-size:20px}
details[open] summary:after{content:"–";background:var(--lilac)}
details p{font-size:16px}

/* chamada final */
.final{position:relative;overflow:hidden;border-radius:36px;padding:84px 24px;background:linear-gradient(120deg,#1c2fc4,var(--cobalt) 45%,var(--aqua))}
.final:before{content:"";position:absolute;left:-60px;bottom:-80px;width:260px;height:260px;border-radius:50%;background:var(--lime);opacity:.92;animation:fl 11s ease-in-out infinite}
.final:after{content:"";position:absolute;right:7%;top:-40px;width:130px;height:130px;border-radius:38% 62% 55% 45%/48% 40% 60% 52%;background:var(--lilac);opacity:.95;animation:fl 9s ease-in-out -3s infinite}
.final>*{position:relative;z-index:1}
.final h2{font:800 clamp(34px,5vw,60px)/1.02 var(--serif);letter-spacing:-.03em;margin-bottom:16px}
.final p{opacity:.92}
.final .btn{background:var(--lime);color:var(--ink);padding:18px 34px;font-size:18px}.final .btn:hover{background:#fff;transform:translateY(-2px)}

/* rodapé */
footer{border-top:1px solid var(--line);margin-top:40px;padding:34px 0 48px}
footer a{text-decoration:none}footer a:hover{color:var(--ink)}

@media (max-width:900px){
  .hero{padding:44px 0 40px}.hero:before{width:220px;height:220px;right:-90px}.hero .wrap:after{display:none}
  #recursos{margin:10px 6px;border-radius:32px}section{padding:60px 0}
  .stage{box-shadow:6px 6px 0 var(--ink)}
}
@media (max-width:600px){
  .wrap{padding:0 16px}.final{padding:56px 20px;border-radius:28px}.plan{padding:28px}.title{margin-bottom:32px}
  #demo:before{display:none}
  .art .n1{width:172px;font-size:13px}.art .n2{width:158px;font-size:13px}.art .tbl{width:170px}.art .img{width:160px}
}
@media (prefers-reduced-motion:reduce){.hero:before,.hero .wrap:before,.hero .wrap:after,.final:before,.final:after{animation:none}}

/* card "Conecte a sua IA" (demonstração animada: balão de chat e cards aparecendo no quadro; ciclo de 9 s com cada peça entrando em um momento) */
.dm.ai{padding:14px}
.dm.ai .ai-bub{max-width:80%;background:#fff;border:1px solid var(--line);border-radius:14px 14px 14px 4px;padding:8px 11px;font-size:12.5px;line-height:1.35;box-shadow:0 8px 18px -10px rgba(13,19,48,.3);animation:aiA 9s infinite both}
.dm.ai .ai-ans{margin:8px 0 0 auto;max-width:62%;background:var(--cobalt);color:#fff;border-radius:14px 14px 4px 14px;padding:7px 11px;font-size:12px;animation:aiB 9s infinite both}
.dm.ai .ai-row{position:absolute;left:12px;right:12px;bottom:12px;display:flex;gap:8px;align-items:flex-end}
.dm.ai .ai-c{background:#fff;border-radius:10px;box-shadow:0 10px 20px -12px rgba(13,19,48,.45);padding:8px 9px;font-size:11.5px;line-height:1.35}
.dm.ai .ai-c.ai-i{flex:none;width:62px;height:62px;display:grid;place-items:center;padding:0;background:#f1f3f8;animation:aiC 9s infinite both}
.dm.ai .ai-c.ai-n{flex:1;min-width:0;background:#d6f5d6;animation:aiD 9s infinite both}
.dm.ai .ai-c.ai-t{flex:1;min-width:0;animation:aiE 9s infinite both}
.dm.ai .ai-c b{display:block;font:700 12.5px var(--serif);margin-bottom:2px}
.dm.ai .ai-c span{display:block;color:#4a5273}
@keyframes aiA{0%,3%{opacity:0;transform:translateY(8px) scale(.97)}8%,91%{opacity:1;transform:none}97%,100%{opacity:0;transform:translateY(-4px)}}
@keyframes aiB{0%,14%{opacity:0;transform:translateY(8px) scale(.97)}19%,91%{opacity:1;transform:none}97%,100%{opacity:0;transform:translateY(-4px)}}
@keyframes aiC{0%,29%{opacity:0;transform:translateY(8px) scale(.97)}34%,91%{opacity:1;transform:none}97%,100%{opacity:0;transform:translateY(-4px)}}
@keyframes aiD{0%,37%{opacity:0;transform:translateY(8px) scale(.97)}42%,91%{opacity:1;transform:none}97%,100%{opacity:0;transform:translateY(-4px)}}
@keyframes aiE{0%,44%{opacity:0;transform:translateY(8px) scale(.97)}49%,91%{opacity:1;transform:none}97%,100%{opacity:0;transform:translateY(-4px)}}
@media (prefers-reduced-motion:reduce){.dm.ai *{animation:none!important;opacity:1!important}}
.f.lv .tx a.more{display:inline-block;margin-top:10px;font-weight:700;font-size:14px;color:var(--cobalt);text-decoration:none}
.f.lv .tx a.more::after{content:" →"}.f.lv .tx a.more:hover{text-decoration:underline}
.f .dm.ai svg{width:46px;height:46px;stroke:none;stroke-width:0;margin:0}   /* anula a regra .f svg (ícones com contorno) só no sprite do demo */