:root{
  --bg: #0b1220;
  --text: rgba(255,255,255,.92);
  --muted: rgba(255,255,255,.70);
  --line: rgba(255,255,255,.14);
  --primary: #6d5efc;
  --primary2: #34d3ff;
  --good: #22c55e;
  --warn: #f59e0b;
  --bad: #ef4444;
  --shadow: 0 20px 50px rgba(0,0,0,.35);
  --radius: 18px;
}
html{ scroll-behavior: smooth; }
body{
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background:
    radial-gradient(1200px 800px at 10% 0%, rgba(109,94,252,.32), transparent 60%),
    radial-gradient(900px 700px at 90% 10%, rgba(52,211,255,.25), transparent 55%),
    linear-gradient(180deg, #070b14 0%, #0b1220 45%, #070b14 100%);
  color: var(--text);
}

/* Navbar */
.navbar{
  transition: background .25s ease, border-color .25s ease, box-shadow .25s ease;
  border-bottom: 1px solid transparent;
}
.navbar.scrolled{
  background: rgba(7,11,20,.72);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.navbar .nav-link{
  color: rgba(255,255,255,.82);
  font-weight: 500;
  letter-spacing: .1px;
}
.navbar .nav-link:hover{ color:#fff; }

/* Layout */
.page{ padding-top: 88px; }
.section{ padding: 60px 0; }
.muted{ color: var(--muted); }

.glass{
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.05));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}
.cardx{
  background: linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.04));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 12px 30px rgba(0,0,0,.20);
}

.btn-gradient{
  background: linear-gradient(90deg, rgba(109,94,252,.95), rgba(52,211,255,.92));
  border: 0;
  color: #08101f;
  font-weight: 800;
  box-shadow: 0 18px 45px rgba(52,211,255,.12);
}
.btn-gradient:hover{ filter: brightness(1.05); transform: translateY(-1px); }

.btn-outline-soft{
  border: 1px solid var(--line);
  color: rgba(255,255,255,.90);
  background: rgba(255,255,255,.04);
  transition: transform .15s ease, background .15s ease, border-color .15s ease;
}
.btn-outline-soft:hover{
  transform: translateY(-1px);
  background: rgba(255,255,255,.07);
  border-color: rgba(255,255,255,.22);
  color:#fff;
}

.badge-soft{
  background: rgba(255,255,255,.10);
  border: 1px solid var(--line);
  color: rgba(255,255,255,.90);
  padding: .45rem .7rem;
  border-radius: 999px;
  font-weight: 600;
  letter-spacing: .1px;
  display: inline-flex;
  gap: .4rem;
  align-items: center;
}

/* Header do artigo */
.article-header h1{
  font-weight: 900;
  letter-spacing: -0.9px;
  line-height: 1.05;
}
.meta{
  display:flex;
  flex-wrap:wrap;
  gap: .6rem 1rem;
  font-size: .95rem;
  color: rgba(255,255,255,.74);
}

.cover{
  height: 320px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background:
    radial-gradient(280px 220px at 30% 35%, rgba(52,211,255,.45), transparent 60%),
    radial-gradient(340px 260px at 70% 30%, rgba(109,94,252,.55), transparent 60%),
    linear-gradient(135deg, rgba(255,255,255,.08), rgba(255,255,255,.03));
  position: relative;
  box-shadow: var(--shadow);
  overflow: hidden;
}
.cover img{
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.cover::after{
  content:"";
  position:absolute;
  inset: 18px;
  border-radius: 18px;
  border: 1px dashed rgba(255,255,255,.22);
  opacity: .6;
  pointer-events:none;
}
.cover .cover-label{
  position:absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(7,11,20,.72);
  border: 1px solid rgba(255,255,255,.18);
  backdrop-filter: blur(10px);
  border-radius: 14px;
  padding: .55rem .7rem;
  font-weight: 700;
  color: rgba(255,255,255,.92);
  max-width: 90%;
}

/* Conteúdo */
.article{
  font-size: 1.05rem;
  line-height: 1.75;
}
.article h2{
  font-weight: 900;
  letter-spacing: -0.4px;
  margin-top: 2.2rem;
  margin-bottom: .8rem;
}
.article h3{
  font-weight: 800;
  letter-spacing: -0.2px;
  margin-top: 1.6rem;
  margin-bottom: .6rem;
}
.article a{ color: rgba(52,211,255,.95); text-decoration:none; }
.article a:hover{ text-decoration: underline; }

.callout{
  border: 1px solid rgba(52,211,255,.25);
  background: rgba(52,211,255,.08);
  border-radius: 16px;
  padding: 16px;
}
.quote{
  border-left: 4px solid rgba(109,94,252,.9);
  padding: 10px 14px;
  background: rgba(255,255,255,.04);
  border-radius: 12px;
  color: rgba(255,255,255,.82);
  font-style: italic;
}
.box-warn{
  border: 1px solid rgba(245,158,11,.35);
  background: rgba(245,158,11,.10);
  border-radius: 16px;
  padding: 16px;
}
.box-bad{
  border: 1px solid rgba(239,68,68,.35);
  background: rgba(239,68,68,.10);
  border-radius: 16px;
  padding: 16px;
}
.box-good{
  border: 1px solid rgba(34,197,94,.35);
  background: rgba(34,197,94,.10);
  border-radius: 16px;
  padding: 16px;
}

/* Mini-infográfico */
.steps{
  display:flex;
  flex-wrap:wrap;
  gap: .6rem;
  align-items:center;
}
.step-pill{
  display:inline-flex;
  gap:.45rem;
  align-items:center;
  padding:.45rem .7rem;
  border-radius:999px;
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.05);
  color: rgba(255,255,255,.86);
  font-weight:700;
  font-size:.95rem;
}

/* Sumário */
.toc{ position: sticky; top: 96px; }
.toc a{
  display:block;
  padding: .45rem .5rem;
  border-radius: 12px;
  color: rgba(255,255,255,.78);
  text-decoration:none;
  border: 1px solid transparent;
}
.toc a:hover{
  background: rgba(255,255,255,.05);
  border-color: rgba(255,255,255,.14);
  color:#fff;
}
.toc a.active{
  background: rgba(52,211,255,.10);
  border-color: rgba(52,211,255,.22);
  color: rgba(255,255,255,.95);
  font-weight: 800;
}

/* Form */
.form-control, .form-select{
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.16);
  color: rgba(255,255,255,.92);
  border-radius: 14px;
  padding: .85rem .95rem;
}
.form-control::placeholder{ color: rgba(255,255,255,.55); }
.form-control:focus{
  background: rgba(255,255,255,.08);
  border-color: rgba(52,211,255,.40);
  box-shadow: 0 0 0 .25rem rgba(52,211,255,.12);
  color:#fff;
}
.help-inline{ font-size:.9rem; margin-top:.4rem; }

/* Tabela */
.table{
  --bs-table-bg: rgba(255,255,255,.04);
  --bs-table-striped-bg: rgba(255,255,255,.06);
  --bs-table-color: rgba(255,255,255,.86);
  border-color: rgba(255,255,255,.12);
}
.table thead th{
  color: rgba(255,255,255,.92);
  border-color: rgba(255,255,255,.14);
}
.table tbody td{
  color: rgba(255,255,255,.86);
}

/* Footer */
footer{
  border-top: 1px solid var(--line);
  background: rgba(0,0,0,.15);
}
.footer-link{
  color: rgba(255,255,255,.75);
  text-decoration:none;
}
.footer-link:hover{ color:#fff; }

.toast-container{
  position: fixed;
  top: 84px;
  right: 18px;
  z-index: 1080;
}

@media (max-width: 991px){
  .toc{ position: static; top:auto; }
  .cover{ height: 240px; }
}