/* ============================================================
   HIGHBOOK — Tema compacto conversão (grafite + âmbar)
   ============================================================ */
:root{
  --bg:#0b0b10;
  --bg2:#12121a;
  --card:#15151f;
  --line:rgba(255,255,255,.08);
  --amber:#8b7bd8;
  --amber2:#b8a9f5;
  --orange:#a78bfa;
  --text:#f4f4f6;
  --muted:#a2a2b3;
  --grad:linear-gradient(100deg,#7c6cf0,#a78bfa);
  --r:14px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:'Plus Jakarta Sans',system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;font-size:15.5px;-webkit-font-smoothing:antialiased}
h1,h2,h3,h4{font-weight:800;line-height:1.2;letter-spacing:-.02em}
a{color:inherit;text-decoration:none}
ul{list-style:none}
img{max-width:100%}
.container{width:min(1120px,93%);margin:0 auto}
section{padding:52px 0}
h2{font-size:clamp(1.45rem,3vw,2rem)}
.sec-title{margin:.5rem 0 .6rem}
.sec-sub{color:var(--muted);max-width:640px;font-size:.98rem}
.eyebrow{color:var(--amber2);font-weight:700;font-size:.74rem;letter-spacing:.14em;text-transform:uppercase}
.hl{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hl2{color:var(--amber2)}

/* fundo sutil */
.bgfx{position:fixed;inset:0;z-index:0;pointer-events:none;
  background:radial-gradient(700px 340px at 80% -5%,rgba(124,108,240,.12),transparent 60%),
             radial-gradient(600px 300px at 5% 30%,rgba(167,139,250,.07),transparent 60%)}
main,footer,header{position:relative;z-index:1}

/* ---------- header ---------- */
header{position:sticky;top:0;z-index:100;background:rgba(11,11,16,.9);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.nav{display:flex;align-items:center;gap:2rem;height:60px}
.logo{display:flex;align-items:center;gap:.45rem;font-weight:800;font-size:1.35rem;letter-spacing:-.02em}
.logo img{width:30px;height:30px;border-radius:50%;flex-shrink:0}
.nav-links{display:flex;align-items:center;gap:1.5rem;margin-left:auto;font-size:.9rem;font-weight:600}
.nav-links a{color:var(--muted);transition:.2s}
.nav-links a:hover,.nav-links a.active{color:var(--text)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:.5rem;background:var(--grad);color:#ffffff;
  font-weight:800;padding:.65rem 1.4rem;border-radius:10px;font-size:.92rem;border:none;cursor:pointer;transition:.2s;white-space:nowrap}
.btn:hover{filter:brightness(1.1);transform:translateY(-1px)}
.btn-ghost{background:transparent;border:1px solid var(--line);color:var(--text)}
.btn-ghost:hover{border-color:var(--amber);color:var(--amber2)}
.hamb{display:none;background:none;border:none;color:var(--text);font-size:1.4rem;cursor:pointer}

/* ---------- hero ---------- */
.hero{padding:56px 0 30px;text-align:center}
.hero h1{font-size:clamp(1.9rem,4.6vw,3.1rem);margin:.9rem auto .8rem;max-width:820px}
.hero .lead{color:var(--muted);max-width:620px;margin:0 auto;font-size:1rem}
.badges{display:flex;gap:.6rem;justify-content:center;flex-wrap:wrap;margin-bottom:1rem}
.badge{display:inline-flex;align-items:center;gap:.4rem;background:var(--card);border:1px solid var(--line);
  border-radius:999px;padding:.35rem .9rem;font-size:.76rem;font-weight:700;color:var(--amber2)}
.badge.green{color:#4ade80}
.hero-cta{display:flex;gap:.8rem;justify-content:center;margin-top:1.4rem;flex-wrap:wrap}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:.8rem;margin-top:1.8rem}
.hstat{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:.9rem .6rem;text-align:center}
.hstat h3{font-size:1.35rem}
.hstat p{color:var(--muted);font-size:.76rem}

/* faixa marquee */
.strip{border-block:1px solid var(--line);padding:.65rem 0;overflow:hidden;background:var(--bg2);margin-top:1.6rem}
.strip-track{display:flex;gap:2.2rem;width:max-content;animation:mq 24s linear infinite;white-space:nowrap;font-size:.85rem;font-weight:700;color:var(--muted)}
.strip-track i{color:var(--amber);font-style:normal}
@keyframes mq{to{transform:translateX(-50%)}}

/* resumo */
.resumo{background:var(--card);border:1px solid var(--line);border-left:3px solid var(--amber);border-radius:var(--r);padding:1.1rem 1.4rem;color:var(--muted);font-size:.95rem}
.resumo strong{color:var(--text)}

/* cards genéricos */
.grid{display:grid;gap:.9rem;margin-top:1.6rem}
.g2{grid-template-columns:repeat(2,1fr)}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.2rem;transition:.2s}
.card:hover{border-color:rgba(167,139,250,.5);transform:translateY(-3px)}
.card .icon{width:38px;height:38px;border-radius:10px;background:rgba(139,123,216,.16);display:flex;align-items:center;justify-content:center;margin-bottom:.7rem;font-size:1.05rem}
.card h3{font-size:.98rem;margin-bottom:.3rem}
.card p{color:var(--muted);font-size:.87rem}

/* passos */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:.9rem;margin-top:1.6rem}
.step{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.2rem;position:relative}
.step .n{font-size:1.9rem;font-weight:800;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.step h3{font-size:.98rem;margin:.4rem 0 .3rem}
.step p{color:var(--muted);font-size:.87rem}

/* planos */
.plans{display:grid;grid-template-columns:repeat(4,1fr);gap:.9rem;margin-top:1.6rem}
.plan{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.3rem 1.1rem;display:flex;flex-direction:column;position:relative;transition:.2s}
.plan:hover{transform:translateY(-4px);border-color:rgba(167,139,250,.55)}
.plan.feat{border-color:var(--amber);background:linear-gradient(170deg,rgba(124,108,240,.18),var(--card))}
.plan .tag{position:absolute;top:-11px;left:50%;transform:translateX(-50%);background:var(--grad);color:#ffffff;
  font-size:.66rem;font-weight:800;text-transform:uppercase;letter-spacing:.07em;padding:.25rem .8rem;border-radius:999px;white-space:nowrap}
.plan h3{font-size:.92rem;color:var(--amber2)}
.price{font-size:1.9rem;font-weight:800;margin:.5rem 0 .1rem}
.price small{font-size:.76rem;color:var(--muted);font-weight:600}
.plan>small.pdesc{color:var(--muted);font-size:.8rem}
.plan ul{margin:.9rem 0 1.1rem;display:grid;gap:.35rem;flex:1}
.plan li{color:var(--muted);font-size:.82rem;padding-left:1.2rem;position:relative}
.plan li::before{content:'✓';position:absolute;left:0;color:#4ade80;font-weight:800;font-size:.8rem}
.plan .btn{width:100%;font-size:.85rem;padding:.6rem}

/* tabelas */
.tbl-wrap{overflow-x:auto;margin-top:1.4rem;border:1px solid var(--line);border-radius:var(--r)}
table{width:100%;border-collapse:collapse;font-size:.87rem;min-width:600px}
th,td{padding:.75rem 1rem;text-align:center;border-bottom:1px solid var(--line)}
th{background:var(--bg2);color:var(--amber2);font-size:.84rem}
td{color:var(--muted)}
td:first-child{text-align:left;color:var(--text);font-weight:600}
tr:last-child td{border-bottom:none}
.win{color:#4ade80;font-weight:800}

/* erros */
.erro{display:flex;gap:.8rem;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1rem 1.1rem}
.erro .x{color:#f87171;font-weight:800;flex-shrink:0}
.erro p{color:var(--muted);font-size:.87rem}
.erro strong{color:var(--text)}

/* depoimentos */
.deps{display:grid;grid-template-columns:repeat(3,1fr);gap:.9rem;margin-top:1.6rem}
.dep .stars{color:#fbbf24;font-size:.8rem;letter-spacing:.12em}
.dep p{color:var(--muted);font-size:.87rem;margin-top:.5rem}
.dep h4{font-size:.9rem;margin-top:.8rem}
.dep small{color:var(--muted);font-size:.78rem}

/* faq */
.faq{max-width:780px;margin:1.4rem auto 0}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:12px;margin-bottom:.6rem;overflow:hidden}
.faq summary{cursor:pointer;padding:.95rem 1.2rem;font-weight:700;font-size:.92rem;list-style:none;display:flex;justify-content:space-between;gap:1rem;align-items:center}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:'+';color:var(--amber);font-size:1.2rem}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{padding:0 1.2rem 1rem;color:var(--muted);font-size:.88rem}

/* cta */
.cta{background:linear-gradient(120deg,rgba(124,108,240,.22),rgba(76,29,149,.12));border:1px solid rgba(139,123,216,.4);
  border-radius:var(--r);padding:2.2rem 1.6rem;text-align:center}
.cta h2{max-width:600px;margin:0 auto .6rem}
.cta p{color:var(--muted);max-width:540px;margin:0 auto 1.4rem;font-size:.95rem}

/* footer */
footer{border-top:1px solid var(--line);background:var(--bg2);padding:2.4rem 0 1.4rem}
.f-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:1.8rem}
footer h4{font-size:.86rem;margin-bottom:.7rem;color:var(--amber2)}
footer a,footer p{color:var(--muted);font-size:.85rem}
footer li{margin-bottom:.4rem}
footer a:hover{color:var(--text)}
.copy{text-align:center;color:var(--muted);font-size:.75rem;margin-top:1.8rem;padding-top:1.2rem;border-top:1px solid var(--line)}

/* whatsapp float */
.wa-float{position:fixed;bottom:18px;right:18px;z-index:90;width:52px;height:52px;border-radius:50%;background:#22c55e;
  display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgba(34,197,94,.45);transition:.2s}
.wa-float:hover{transform:scale(1.08)}

/* páginas internas */
.page-hero{padding:44px 0 8px;text-align:center}
.page-hero h1{font-size:clamp(1.7rem,4vw,2.6rem);max-width:780px;margin:.8rem auto .6rem}
.article{max-width:760px;margin:0 auto;text-align:left}
.article h2{margin-top:2.2rem;font-size:1.35rem}
.article h3{margin-top:1.4rem;font-size:1.05rem;color:var(--amber2)}
.article p{color:var(--muted);margin-top:.7rem;font-size:.95rem}
.article strong{color:var(--text)}
.article ul{margin:.8rem 0 .8rem 1.2rem;list-style:disc;color:var(--muted);font-size:.95rem}
.center{text-align:center}
.toc{display:block;max-width:820px;margin:1.6rem auto 0;text-align:left;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.1rem 1.3rem}
.toc strong{display:block;color:var(--amber2);font-size:.85rem;margin-bottom:.5rem}
.toc a{display:block;color:var(--muted);font-size:.88rem;padding:.32rem 0;border-bottom:1px dashed rgba(255,255,255,.06)}
.toc a:last-child{border-bottom:none}
.toc a:hover{color:var(--amber2)}

@media(max-width:900px){
  .g3,.g4,.plans,.deps,.steps{grid-template-columns:repeat(2,1fr)}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .f-grid{grid-template-columns:1fr 1fr}
  .nav-links{position:fixed;inset:60px 0 auto 0;background:var(--bg2);border-bottom:1px solid var(--line);
    flex-direction:column;align-items:flex-start;padding:1.2rem 5%;gap:1.1rem;display:none}
  .nav-links.open{display:flex}
  .hamb{display:block;margin-left:auto}
}
@media(max-width:600px){
  .author-box{flex-direction:column;align-items:flex-start;padding:1.2rem}
  .author-box .avatar{width:48px;height:48px}
  .byline{gap:.6rem}
  .byline .who{text-align:center}
  .g2,.g3,.g4,.plans,.deps,.steps{grid-template-columns:1fr}
  .hero-stats{grid-template-columns:repeat(2,1fr)}
  .f-grid{grid-template-columns:1fr}
  .toc{grid-template-columns:1fr}
  section{padding:40px 0}
}

/* ---------- EEAT / credibilidade ---------- */
.byline{display:flex;align-items:center;gap:.8rem;margin-top:1.4rem;justify-content:center;flex-wrap:wrap}
.avatar{width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.95rem;flex-shrink:0}
.byline .who{text-align:left}
.byline .who b{font-size:.9rem;display:block}
.byline .who span{color:var(--muted);font-size:.78rem}
.updated{display:inline-block;margin-top:1rem;color:var(--muted);font-size:.78rem;border:1px solid var(--line);border-radius:999px;padding:.3rem .9rem;background:var(--card)}
.author-box{background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:1.4rem 1.6rem;margin-top:2.4rem;display:flex;gap:1.1rem;align-items:flex-start}
.author-box .avatar{width:56px;height:56px;font-size:1.1rem}
.author-box h3{font-size:1rem;margin-bottom:.2rem}
.author-box p{color:var(--muted);font-size:.88rem}
.refs{margin-top:2rem;border-top:1px solid var(--line);padding-top:1.2rem}
.refs h3{font-size:.95rem;margin-bottom:.5rem}
.refs ol{margin-left:1.2rem;color:var(--muted);font-size:.85rem}
.refs li{margin-bottom:.35rem}
.refs a{color:var(--lav2);text-decoration:underline}
.disclaimer{background:var(--card);border:1px dashed var(--line);border-radius:12px;padding:.9rem 1.2rem;margin-top:1.6rem;color:var(--muted);font-size:.8rem}
.tldr{background:rgba(124,108,240,.1);border:1px solid rgba(167,139,250,.3);border-radius:var(--r);padding:1.1rem 1.4rem;margin-top:1.8rem;font-size:.92rem}
.tldr strong{color:var(--lav2)}

.article h2[id],section [id]{scroll-margin-top:80px}

/* ícones de marca (SVG vetoriais) */
.bicon{width:34px;height:34px;display:flex;align-items:center;justify-content:center;margin-bottom:.7rem}
.bicon svg{width:30px;height:30px}