:root{
  --bg: #07111f;
  --bg2:#0b1b33;
  --card:#0d223f;
  --text:#e8eefc;
  --muted:#b7c6e6;
  --accent:#6aa9ff;
  --accent2:#a5d6ff;
  --danger:#ff5a6a;
  --shadow: 0 20px 60px rgba(0,0,0,.45);
  --radius: 18px;
  --max: 1120px;
  --font: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, "Noto Sans", "Liberation Sans", sans-serif;
  --serif: ui-serif, Georgia, "Times New Roman", Times, serif;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:var(--font);
  color:var(--text);
  background: radial-gradient(1200px 800px at 20% 10%, #0c2a58 0%, transparent 50%),
              radial-gradient(900px 600px at 85% 0%, #132a4d 0%, transparent 55%),
              linear-gradient(180deg, var(--bg) 0%, #050a13 100%);
}
a{color:inherit; text-decoration:none}
.container{max-width:var(--max); margin:0 auto; padding: 0 18px;}
.topbar{
  position: sticky; top:0; z-index: 50;
  background: rgba(7,17,31,.72);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.nav{
  display:flex; align-items:center; justify-content:space-between;
  padding: 14px 0;
  gap: 12px;
}
.brand{
  display:flex; align-items:center; gap: 12px;
}
.brandMark{
  width:42px; height:42px; border-radius: 14px;
  background: linear-gradient(135deg, rgba(106,169,255,.95), rgba(165,214,255,.35));
  box-shadow: 0 14px 40px rgba(106,169,255,.25);
}
.brandText b{display:block; font-size: 14px; letter-spacing:.08em; text-transform:uppercase}
.brandText span{display:block; font-family: var(--serif); opacity:.9}
.navlinks{display:flex; gap: 14px; flex-wrap:wrap; justify-content:flex-end}
.navlinks a{
  opacity:.92;
  padding: 8px 10px;
  border-radius: 12px;
  border: 1px solid transparent;
}
.navlinks a:hover{
  border-color: rgba(106,169,255,.45);
  background: rgba(106,169,255,.08);
}
.hero{
  padding: 56px 0 28px;
  display:grid;
  grid-template-columns: 1.15fr .85fr;
  gap: 26px;
  align-items: center;
}
@media (max-width: 920px){
  .hero{grid-template-columns: 1fr; padding-top: 34px;}
}
.kicker{
  display:inline-flex; gap:10px; align-items:center;
  padding: 8px 12px;
  border: 1px solid rgba(255,255,255,.10);
  border-radius: 999px;
  background: rgba(255,255,255,.04);
  color: var(--muted);
  font-size: 13px;
}
.kicker .dot{
  width:8px; height:8px; border-radius:99px;
  background: var(--accent);
  box-shadow: 0 0 0 6px rgba(106,169,255,.12);
}
h1{
  font-size: clamp(34px, 4.2vw, 54px);
  line-height: 1.05;
  margin: 14px 0 10px;
  letter-spacing: -0.02em;
}
.lead{
  color: var(--muted);
  font-size: 16px;
  line-height: 1.65;
  margin: 0 0 18px;
  max-width: 65ch;
}
.actions{display:flex; gap: 12px; flex-wrap:wrap; align-items:center}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  gap:10px;
  padding: 12px 14px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.06);
  color: var(--text);
  cursor:pointer;
  box-shadow: 0 10px 30px rgba(0,0,0,.25);
}
.btn:hover{border-color: rgba(106,169,255,.50); background: rgba(106,169,255,.10)}
.btn.primary{
  background: linear-gradient(135deg, rgba(106,169,255,.95), rgba(165,214,255,.20));
  border-color: rgba(106,169,255,.75);
}
.btn.ghost{background: transparent}
.btn small{opacity:.85}
.heroCard{
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: linear-gradient(180deg, rgba(13,34,63,.62), rgba(13,34,63,.22));
  box-shadow: var(--shadow);
  overflow:hidden;
}
.heroCard .photo{
  position:relative;
  height: 360px;
  background: url('assets/img/autor_rafael_oscar_costa.jpg') center/cover no-repeat;
  filter: saturate(.92) contrast(1.02);
}
@media (max-width: 920px){ .heroCard .photo{height: 320px;} }
.heroCard .photo::after{
  content:"";
  position:absolute; inset:0;
  background: linear-gradient(180deg, rgba(7,17,31,.10) 0%, rgba(7,17,31,.80) 78%, rgba(7,17,31,1) 100%);
}
.heroCard .meta{padding: 16px 16px 18px}
.meta .name{font-family: var(--serif); font-size: 22px; margin:0}
.meta .desc{margin: 8px 0 0; color: var(--muted); line-height: 1.55; font-size: 14px}
.grid{
  display:grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 16px;
}
.section{padding: 22px 0 54px}
.section h2{
  font-size: 22px;
  margin: 0 0 12px;
  letter-spacing: .02em;
}
.section p{color: var(--muted); line-height: 1.7}
.card{
  grid-column: span 4;
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(13,34,63,.42);
  box-shadow: 0 14px 40px rgba(0,0,0,.30);
  overflow:hidden;
}
@media (max-width: 980px){ .card{grid-column: span 6;} }
@media (max-width: 640px){ .card{grid-column: span 12;} }
.card .cover{
  height: 240px;
  background: center/cover no-repeat;
  filter: saturate(.95);
}
.card .body{padding: 14px 14px 16px}
.card h3{margin:0 0 8px; font-size: 18px}
.card .tag{color: var(--muted); font-size: 13px; margin:0 0 10px}
.card .blurb{color: var(--muted); font-size: 14px; line-height: 1.65; margin: 0 0 12px}
.card .row{display:flex; gap: 10px; align-items:center; justify-content:space-between; flex-wrap:wrap}
.pill{
  font-size: 12px;
  padding: 7px 10px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  color: var(--muted);
  background: rgba(255,255,255,.03);
}
.footer{
  border-top: 1px solid rgba(255,255,255,.08);
  background: rgba(0,0,0,.25);
  padding: 18px 0 30px;
}
.footer .cols{
  display:grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 16px;
}
@media (max-width: 780px){ .footer .cols{grid-template-columns: 1fr;} }
.footer small{color: var(--muted)}
.hr{height:1px; background: rgba(255,255,255,.08); margin: 18px 0}
.form{
  display:grid; gap: 10px; max-width: 640px;
}
input, textarea{
  width:100%;
  padding: 12px 12px;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.06);
  color: var(--text);
  font-family: var(--font);
}
textarea{min-height: 120px; resize: vertical}
.note{
  font-size: 12px;
  color: var(--muted);
}
.badge{
  display:inline-flex; align-items:center; gap:8px;
  font-size: 12px; color: var(--muted);
  padding: 6px 10px; border-radius: 999px;
  border: 1px solid rgba(255,255,255,.10);
  background: rgba(255,255,255,.03);
}