:root {
  --bg: #081217;
  --bg-soft: #0e1f2a;
  --card: #102936;
  --card-border: rgba(124, 188, 255, 0.28);
  --text: #f5fbff;
  --muted: #9cc3d8;
  --brand: #49b9ff;
  --brand-2: #1d73ff;
  --ok: #2dd377;
}
* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  font-family: "Manrope", "Segoe UI", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(1100px 600px at 90% -10%, rgba(29,169,255,.25), transparent),
    radial-gradient(900px 500px at 0% 0%, rgba(17,209,164,.2), transparent),
    var(--bg);
}
a { color: #bfe6ff; text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; height: auto; }
.container {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
}
.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  backdrop-filter: blur(10px);
  background: rgba(6, 15, 21, 0.8);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.topbar-inner {
  min-height: 74px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 800;
  letter-spacing: -.01em;
}
.brand img {
  width: 36px;
  height: 36px;
  object-fit: contain;
  filter: invert(1);
}
.nav { display: flex; gap: 10px; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border-radius: 999px;
  padding: 11px 18px;
  font-weight: 700;
  border: 1px solid rgba(255,255,255,.3);
  color: var(--text);
  text-decoration: none;
}
.btn:hover { text-decoration: none; }
.btn-primary {
  border: 0;
  color: #032630;
  background: linear-gradient(120deg, var(--brand), #9ed6ff);
}
.btn-whatsapp {
  border: 1px solid rgba(37, 211, 102, .72);
  background: linear-gradient(145deg, #25D366, #128C7E);
  color: #fff;
}
.hero {
  padding: 72px 0 34px;
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(73, 185, 255, .16);
  border: 1px solid rgba(73, 185, 255, .52);
  color: #cdeeff;
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 800;
  padding: 7px 12px;
  text-transform: uppercase;
}
.hero h1 {
  margin: 14px 0 10px;
  font-size: clamp(1.9rem, 3.8vw, 3rem);
  line-height: 1.1;
  letter-spacing: -.03em;
}
.hero p {
  margin: 0;
  color: #d8edfb;
  line-height: 1.7;
  max-width: 820px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 18px;
}
.card {
  border-radius: 20px;
  border: 1px solid var(--card-border);
  background: linear-gradient(180deg, rgba(20,42,61,.9), rgba(9,22,34,.92));
  box-shadow: 0 14px 34px rgba(0,0,0,.24), inset 0 1px 0 rgba(255,255,255,.08);
  overflow: hidden;
}
.card-cover {
  display: block;
  aspect-ratio: 16 / 9;
  border-bottom: 1px solid rgba(255,255,255,.14);
  background: #07131a;
}
.card-content { padding: 18px; }
.kicker {
  color: var(--brand);
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .04em;
  font-size: .75rem;
}
.card h2, .card h3 {
  margin: 8px 0 8px;
  font-size: 1.18rem;
  line-height: 1.35;
}
.card p {
  margin: 0;
  color: #d2e8f7;
  line-height: 1.65;
  font-size: .98rem;
}
.meta {
  margin-top: 12px;
  color: var(--muted);
  font-size: .86rem;
}
.article-shell {
  padding: 32px 0 80px;
}
.article {
  width: min(860px, 100%);
  margin: 0 auto;
}
.article .cover {
  border-radius: 18px;
  border: 1px solid var(--card-border);
  overflow: hidden;
  margin: 18px 0;
}
.article h1 {
  font-size: clamp(1.9rem, 4vw, 2.8rem);
  line-height: 1.15;
  letter-spacing: -.02em;
  margin: 14px 0;
}
.article h2 {
  margin-top: 32px;
  font-size: 1.56rem;
}
.article h3 {
  margin-top: 22px;
  font-size: 1.18rem;
}
.article p, .article li {
  line-height: 1.78;
  color: #e4f3fd;
}
.article ul { padding-left: 22px; }
.note {
  margin: 16px 0;
  border-left: 3px solid var(--brand);
  padding: 10px 12px;
  background: rgba(73, 185, 255, .09);
  color: #d9ecff;
  border-radius: 8px;
}
.refs {
  margin-top: 30px;
  padding: 14px 16px;
  border: 1px solid var(--card-border);
  border-radius: 14px;
  background: rgba(16,41,54,.45);
}
.refs h2 { margin-top: 0; }
.cta {
  margin-top: 28px;
  border: 1px solid rgba(37, 211, 102, .45);
  border-radius: 16px;
  padding: 18px;
  background: linear-gradient(145deg, rgba(37,211,102,.16), rgba(18,140,126,.12));
}
.footer {
  margin-top: 28px;
  color: var(--muted);
  font-size: .92rem;
}
@media (max-width: 999px) {
  .grid { grid-template-columns: repeat(2, minmax(0,1fr)); }
}
@media (max-width: 700px) {
  .grid { grid-template-columns: 1fr; }
  .hero { padding-top: 44px; }
  .topbar-inner { min-height: 66px; }
  .nav { display: none; }
}