/* ============================================================
   NexoEdu — Nina AI · sistema de design compartilhado (v1)
   Fraunces (display) + DM Sans (corpo)
   Paleta: teal-navy profundo · papel creme · ouro · coral · verde
   ============================================================ */

:root{
  --navy:#2D3D6B;        /* superfície escura / texto forte  */
  --navy-2:#223055;      /* navy mais fundo (rodapé)         */
  --cream:#FDF8F3;       /* papel                            */
  --cream-2:#F5EDE0;     /* papel sombreado                  */
  --ink:#1a1a2e;         /* texto sobre creme                */
  --muted:#6b7280;       /* texto secundário                 */
  --gold:#FFD37E;        /* acento leveza                    */
  --coral:#E8622A;       /* CTA / calor                      */
  --coral-d:#c94d1a;     /* CTA hover                        */
  --sage:#3A7D44;        /* verde marca                      */
  --wa:#25D366;          /* verde WhatsApp (só dentro do chat)*/
  --wa-bg:#E5DDD5;       /* fundo do "papel de parede" do chat*/
  --line:rgba(18,38,45,.14);
  --shadow:0 18px 50px -22px rgba(10,33,41,.45);
  --shadow-sm:0 8px 24px -14px rgba(10,33,41,.4);
  --r:18px;
  --maxw:1120px;
  --font-d:"Playfair Display",Georgia,serif;
  --font-b:"DM Sans",system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
}

*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--cream);color:var(--ink);
  font-family:var(--font-b);font-size:18px;line-height:1.6;
  -webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block}
a{color:inherit}

.wrap{max-width:var(--maxw);margin:0 auto;padding:0 24px}
section{position:relative}

/* ---------- tipografia ---------- */
h1,h2,h3{font-family:var(--font-d);font-weight:700;line-height:1.08;text-wrap:balance;
  letter-spacing:-.01em;margin:0}
h1{font-size:clamp(2.1rem,4.6vw,3.7rem);text-wrap:balance}
h2{font-size:clamp(1.7rem,3.2vw,2.5rem)}
h3{font-size:1.22rem;line-height:1.25}
p{margin:0 0 1rem}
.lead{font-size:clamp(1.05rem,1.6vw,1.28rem);color:var(--muted);line-height:1.55}
.eyebrow{font-family:var(--font-b);font-weight:600;font-size:.8rem;
  letter-spacing:.16em;text-transform:uppercase;color:var(--sage);
  display:inline-flex;align-items:center;gap:.55rem;margin:0 0 1.1rem}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--coral);border-radius:2px}
em.tint{font-style:normal;color:var(--coral)}

/* ---------- botões ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.6rem;
  font-family:var(--font-b);font-weight:600;font-size:1.02rem;
  padding:.95rem 1.7rem;border-radius:999px;border:0;cursor:pointer;
  text-decoration:none;transition:transform .15s ease,box-shadow .15s ease,background .15s ease;
  line-height:1}
.btn--primary{background:var(--coral);color:#fff;box-shadow:var(--shadow-sm)}
.btn--primary:hover{background:var(--coral-d);transform:translateY(-2px)}
.btn--ghost{background:transparent;color:var(--cream);border:1.5px solid rgba(245,239,226,.4)}
.btn--ghost:hover{border-color:var(--cream)}
.btn--lg{padding:1.15rem 2.2rem;font-size:1.12rem}
.btn .arrow{font-size:1.05em;transition:transform .15s ease}
.btn:hover .arrow{transform:translateX(3px)}
.cta-sub{font-size:.86rem;color:var(--muted);margin:.7rem 0 0}
.on-dark .cta-sub{color:rgba(245,239,226,.62)}

:focus-visible{outline:3px solid var(--gold);outline-offset:3px;border-radius:6px}

/* ---------- header ---------- */
.site-head{position:sticky;top:0;z-index:40;background:rgba(245,239,226,.86);
  backdrop-filter:blur(10px);border-bottom:1px solid var(--line)}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;
  min-height:68px;gap:16px}
.brand{display:flex;align-items:center;gap:.6rem;text-decoration:none;font-family:var(--font-d);
  font-weight:600;font-size:1.28rem;color:var(--ink);letter-spacing:-.01em}
.brand .dot{width:11px;height:11px;border-radius:50%;background:var(--coral);
  box-shadow:0 0 0 4px rgba(232,115,74,.18)}
.site-head .btn{padding:.68rem 1.25rem;font-size:.95rem}
@media(max-width:560px){.site-head .btn .full{display:none}}

/* ---------- hero ---------- */
.hero{background:var(--navy);color:var(--cream);overflow:hidden}
.hero::after{content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(80% 60% at 82% 8%,rgba(232,178,58,.16),transparent 60%),
             radial-gradient(60% 50% at 8% 92%,rgba(62,124,90,.22),transparent 60%)}
.hero .wrap{position:relative;z-index:1;display:grid;grid-template-columns:1.05fr .95fr;
  gap:56px;align-items:center;padding:74px 24px 84px}
.hero .eyebrow{color:var(--gold)}
.hero .eyebrow::before{background:var(--coral)}
.hero h1{color:var(--cream)}
.hero .lead{color:rgba(245,239,226,.82);max-width:33ch;margin-top:1.1rem}
.hero-cta{margin-top:1.9rem}
.trustline{display:flex;flex-wrap:wrap;gap:.5rem 1.4rem;margin-top:1.9rem;
  font-size:.9rem;color:rgba(245,239,226,.72)}
.trustline span{display:inline-flex;align-items:center;gap:.45rem}
.trustline svg{width:16px;height:16px;flex:none;color:var(--gold)}
@media(max-width:860px){
  .hero .wrap{grid-template-columns:1fr;gap:38px;padding:52px 24px 60px}
  .hero .lead{max-width:none}
}

/* ---------- chat WhatsApp (elemento-assinatura) ---------- */
.wa{max-width:390px;width:100%;margin:0 auto;border-radius:22px;overflow:hidden;
  box-shadow:var(--shadow);background:var(--wa-bg);border:1px solid rgba(0,0,0,.06)}
.wa-top{display:flex;align-items:center;gap:.7rem;background:#0b141a;color:#e9edef;
  padding:.7rem .9rem}
.wa-av{width:38px;height:38px;border-radius:50%;background:linear-gradient(135deg,var(--gold),var(--coral));
  display:flex;align-items:center;justify-content:center;font-family:var(--font-d);
  font-weight:600;color:#0b141a;font-size:1.05rem;flex:none}
.wa-name{font-family:var(--font-b);font-weight:600;font-size:.98rem;line-height:1.1}
.wa-status{font-size:.72rem;color:#8aa;line-height:1.1;display:flex;align-items:center;gap:.35rem}
.wa-status::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--wa)}
.wa-body{padding:16px 12px 18px;display:flex;flex-direction:column;gap:9px;
  background-image:radial-gradient(rgba(0,0,0,.035) 1px,transparent 1px);
  background-size:18px 18px;min-height:280px}
.msg{max-width:82%;padding:.62rem .8rem;border-radius:14px;font-size:.93rem;line-height:1.42;
  position:relative;box-shadow:0 1px 1px rgba(0,0,0,.08);opacity:0;transform:translateY(8px)}
.msg.in{opacity:1;transform:none;transition:opacity .4s ease,transform .4s ease}
.msg .t{display:block;font-size:.64rem;color:rgba(0,0,0,.4);text-align:right;margin-top:.2rem}
.msg--them{align-self:flex-start;background:#fff;color:#111b21;border-top-left-radius:4px}
.msg--me{align-self:flex-end;background:#d9fdd3;color:#111b21;border-top-right-radius:4px}
.msg--nina{max-width:90%}
.nina-block{margin:.35rem 0 0}
.nina-block b{display:block;font-size:.7rem;letter-spacing:.03em;text-transform:uppercase;
  color:var(--sage);font-weight:700;margin-top:.5rem}
.nina-block b:first-child{margin-top:0}
.nina-quote{background:rgba(232,178,58,.16);border-left:3px solid var(--gold);
  padding:.3rem .5rem;border-radius:6px;margin:.15rem 0;font-style:italic}
.typing{align-self:flex-start;background:#fff;border-top-left-radius:4px;padding:.7rem .85rem;
  border-radius:14px;display:inline-flex;gap:4px}
.typing i{width:7px;height:7px;border-radius:50%;background:#9fb0b5;animation:blink 1.2s infinite}
.typing i:nth-child(2){animation-delay:.2s}.typing i:nth-child(3){animation-delay:.4s}
@keyframes blink{0%,60%,100%{opacity:.35}30%{opacity:1}}

/* ---------- blocos genéricos ---------- */
.band{padding:76px 0}
.band--cream2{background:var(--cream-2)}
.band--navy{background:var(--navy);color:var(--cream)}
.band--navy h2,.band--navy h3{color:var(--cream)}
.band--navy .lead{color:rgba(245,239,226,.8)}
.center{text-align:center;max-width:720px;margin:0 auto}
.center .eyebrow{justify-content:center}

/* diferencial: 3 barreiras */
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px}
.card{background:var(--cream);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 24px}
.band--navy .card{background:rgba(245,239,226,.06);border-color:rgba(245,239,226,.14)}
.card .ic{width:44px;height:44px;border-radius:12px;background:rgba(62,124,90,.14);
  color:var(--sage);display:flex;align-items:center;justify-content:center;margin-bottom:16px}
.band--navy .card .ic{background:rgba(232,178,58,.16);color:var(--gold)}
.card .ic svg{width:22px;height:22px}
.card h3{margin-bottom:.4rem}
.card p{color:var(--muted);font-size:.98rem;margin:0}
.band--navy .card p{color:rgba(245,239,226,.72)}
@media(max-width:760px){.grid3{grid-template-columns:1fr}}

/* passos */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;margin-top:44px;counter-reset:s}
.step{position:relative;padding-top:14px}
.step .n{font-family:var(--font-d);font-size:2.4rem;color:var(--coral);line-height:1;
  display:block;margin-bottom:.5rem}
.step h3{margin-bottom:.35rem}
.step p{color:var(--muted);font-size:.98rem;margin:0}
.band--navy .step p{color:rgba(245,239,226,.72)}
@media(max-width:760px){.steps{grid-template-columns:1fr;gap:26px}}

/* "como a Nina ajuda" (formato da resposta) */
.reply-format{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));
  gap:16px;margin-top:40px}
.rf{background:var(--cream);border:1px solid var(--line);border-radius:14px;padding:20px}
.rf .tag{font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;color:var(--coral);
  font-weight:700;margin-bottom:.5rem}
.rf p{margin:0;font-size:.96rem;color:var(--muted)}

/* planos */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;margin-top:46px;align-items:stretch}
.plan{background:var(--cream);border:1px solid var(--line);border-radius:var(--r);
  padding:26px 22px;display:flex;flex-direction:column}
.plan--hi{background:#fff;border:2px solid var(--coral);box-shadow:var(--shadow);position:relative}
.plan--trial{background:linear-gradient(160deg,var(--navy),var(--navy-2));color:var(--cream);border:0}
.plan .badge{position:absolute;top:-13px;left:50%;transform:translateX(-50%);
  background:var(--coral);color:#fff;font-size:.72rem;font-weight:700;letter-spacing:.04em;
  padding:.3rem .8rem;border-radius:999px;text-transform:uppercase}
.plan .pname{font-family:var(--font-d);font-size:1.35rem;margin-bottom:.2rem}
.plan .price{font-family:var(--font-d);font-size:2rem;line-height:1;margin:.3rem 0 .1rem}
.plan .price small{font-family:var(--font-b);font-size:.9rem;color:var(--muted);font-weight:400}
.plan--trial .price small{color:rgba(245,239,226,.7)}
.plan .role{font-size:.85rem;color:var(--muted);margin-bottom:1rem}
.plan--trial .role{color:rgba(245,239,226,.75)}
.plan ul{list-style:none;padding:0;margin:0 0 1.2rem;font-size:.95rem}
.plan li{padding:.32rem 0 .32rem 1.5rem;position:relative;color:var(--ink)}
.plan--trial li{color:rgba(245,239,226,.9)}
.plan li::before{content:"";position:absolute;left:0;top:.62rem;width:12px;height:7px;
  border-left:2px solid var(--sage);border-bottom:2px solid var(--sage);transform:rotate(-45deg)}
.plan--trial li::before{border-color:var(--gold)}
.plan li.off{color:var(--muted);opacity:.7}
.plan li.off::before{border:0;content:"—";left:.1rem;top:0;color:var(--muted)}
.plan .btn{margin-top:auto;width:100%}
.plan-after{margin-top:auto;padding-top:.8rem;border-top:1px solid var(--line);font-size:.82rem;color:var(--muted);text-align:center}
.plan--hi .btn{background:var(--coral);color:#fff}
.plan:not(.plan--hi):not(.plan--trial) .btn{background:transparent;color:var(--coral);
  border:1.5px solid var(--coral)}
.plan-note{text-align:center;color:var(--muted);font-size:.9rem;margin-top:26px}
@media(max-width:900px){.plans{grid-template-columns:repeat(2,1fr)}}
@media(max-width:520px){.plans{grid-template-columns:1fr}}

/* CTA final */
.finalcta{background:var(--navy);color:var(--cream);text-align:center;padding:80px 0}
.finalcta h2{color:var(--cream);max-width:16ch;margin:0 auto 1.1rem}
.finalcta .lead{color:rgba(245,239,226,.8);max-width:44ch;margin:0 auto 2rem}

/* divisor caos->leveza (assinatura) */
.wave{display:block;width:100%;height:34px;color:var(--gold)}

/* rodapé */
.foot{background:var(--navy-2);color:rgba(245,239,226,.72);padding:52px 0 40px;font-size:.92rem}
.foot .wrap{display:grid;grid-template-columns:1.4fr 1fr;gap:32px}
.foot .brand{color:var(--cream);margin-bottom:.8rem}
.foot a{color:rgba(245,239,226,.82);text-decoration:none;border-bottom:1px solid transparent}
.foot a:hover{border-color:var(--gold)}
.foot .links{display:flex;flex-direction:column;gap:.5rem}
.foot .legal{margin-top:22px;font-size:.8rem;color:rgba(245,239,226,.5);line-height:1.5}
.foot .disc{margin-top:14px;font-size:.8rem;color:rgba(245,239,226,.55);
  border-left:2px solid rgba(245,239,226,.2);padding-left:12px}
@media(max-width:640px){.foot .wrap{grid-template-columns:1fr}}

/* banner de consentimento (LGPD) */
.consent{position:fixed;left:16px;right:16px;bottom:16px;z-index:60;max-width:560px;
  margin:0 auto;background:var(--navy);color:var(--cream);border-radius:16px;
  box-shadow:var(--shadow);padding:18px 20px;display:none;gap:14px;align-items:flex-start}
.consent.show{display:flex;flex-direction:column}
.consent p{margin:0;font-size:.9rem;color:rgba(245,239,226,.85)}
.consent a{color:var(--gold)}
.consent .row{display:flex;gap:10px;flex-wrap:wrap}
.consent .btn{padding:.6rem 1.1rem;font-size:.9rem}
.consent .btn--min{background:transparent;color:var(--cream);border:1.5px solid rgba(245,239,226,.35)}

/* thank you / obrigado */
.ty{min-height:calc(100vh - 68px);display:flex;align-items:center;background:var(--navy);color:var(--cream)}
.ty .wrap{display:grid;grid-template-columns:1fr .9fr;gap:52px;align-items:center;padding:56px 24px}
.ty .check{width:56px;height:56px;border-radius:50%;background:var(--sage);display:flex;
  align-items:center;justify-content:center;margin-bottom:20px}
.ty .check svg{width:28px;height:28px;color:#fff}
.ty h1{color:var(--cream)}
.ty .lead{color:rgba(245,239,226,.82);margin-top:1rem}
@media(max-width:860px){.ty .wrap{grid-template-columns:1fr;gap:34px}}

@media(prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important}
  .msg{opacity:1;transform:none}
}

/* ---- ajustes marca (contraste em fundo navy + avatar foto) ---- */
.band--navy .step .n{color:var(--gold)}
.hero .eyebrow::before{background:var(--gold)}
.wa-av{overflow:hidden;padding:0}
.wa-av img{width:100%;height:100%;object-fit:cover;object-position:center top;border-radius:50%;display:block}