:root{
  --bg0:#050607;
  --bg1:#0b0d10;
  --text:#e9eef5;
  --muted:#b7c0ce;
  --line:rgba(255,255,255,.10);
  --shadow:rgba(0,0,0,.55);
  --accent:#ff8a2b;
  --radius:18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  color:var(--text);
  background: linear-gradient(160deg, var(--bg0), var(--bg1) 55%, var(--bg0));
}

/* Top bar */
a{color:inherit; text-decoration:none}
.container{width:min(1100px, 92vw); margin:0 auto}

.topbar{
  position:sticky; top:0; z-index:50;
  background: rgba(5,6,7,.60);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar__inner{
  display:flex; align-items:center; justify-content:space-between;
  padding:14px 0;
}
.brand{display:flex; gap:12px; align-items:center}
.brand__logo{height:34px; width:auto; filter: drop-shadow(0 10px 18px var(--shadow))}
.brand__name{
  letter-spacing:.10em;
  text-transform:uppercase;
  font-weight:800;
  font-size:12px;
  color:var(--muted);
}

/* Hero with your rectangular header art */
.hero{
  position:relative;
  padding:64px 0 28px;
  overflow:hidden;
}
.hero__bg{
  position:absolute; inset:0;
  background:
    radial-gradient(1100px 650px at 20% 10%, rgba(255,255,255,.05), transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,.10), rgba(0,0,0,.72)),
    url("../img/header.jpg");
  background-size: cover;
  background-position: center;
  filter: saturate(0.95) contrast(1.05);
  opacity: .95;
  transform: scale(1.02);
}
.hero:after{
  content:"";
  position:absolute; inset:0;
  background:
    linear-gradient(90deg, rgba(5,6,7,.72) 0%, rgba(5,6,7,.52) 45%, rgba(5,6,7,.72) 100%),
    radial-gradient(900px 600px at 80% 0%, rgba(86,55,255,.10), transparent 55%);
  pointer-events:none;
}
.hero__inner{
  position:relative;
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap:26px;
  align-items:start;
  z-index:2;
}
@media (max-width: 980px){
  .hero__inner{grid-template-columns:1fr}
}

h1{
  margin:0 0 12px;
  font-size: clamp(34px, 4vw, 52px);
  line-height:1.05;
  letter-spacing:-.02em;
}
.subhead{
  margin:0 0 18px;
  color:var(--muted);
  font-size: 16px;
  line-height:1.6;
  max-width: 56ch;
}

.hero__bullets{display:flex; gap:10px; flex-wrap:wrap; margin: 0 0 18px}
.pill{
  border:1px solid var(--line);
  background: rgba(16,20,26,.60);
  padding:8px 12px;
  border-radius:999px;
  font-size: 12px;
  color: var(--muted);
}

.hero__cta{display:flex; gap:12px; flex-wrap:wrap; margin: 8px 0 10px}
.btn{
  display:inline-flex; align-items:center; justify-content:center;
  padding: 12px 16px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(255,138,43,.95), rgba(255,138,43,.75));
  color: #0b0d10;
  font-weight: 900;
  letter-spacing:.02em;
  border: 1px solid rgba(255,255,255,.15);
  box-shadow: 0 18px 50px rgba(255,138,43,.14);
  transition: transform .12s ease, filter .12s ease;
}
.btn:hover{transform: translateY(-1px); filter: brightness(1.03)}
.btn:active{transform: translateY(0px); filter: brightness(.98)}
.btn--ghost{
  background: linear-gradient(180deg, rgba(27,34,48,.85), rgba(15,20,29,.85));
  color: var(--text);
  border: 1px solid var(--line);
  box-shadow: none;
}

.micro{color: rgba(183,192,206,.85); font-size: 12.5px; line-height:1.5; margin: 10px 0 0}

/* Cards */
.card{
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(16,20,26,.74), rgba(9,11,14,.62));
  box-shadow: 0 28px 80px rgba(0,0,0,.45);
  overflow:hidden;
}
.card__header{
  display:flex; justify-content:space-between; align-items:center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}
.card__title{font-weight:900}
.card__meta{color:var(--muted); font-size:12px}
.card__footer, .card__body{padding: 14px 16px}
.card--tight .card__body{padding: 12px 16px}

.video{
  position:relative;
  width:100%;
  aspect-ratio: 16 / 9;
  background: rgba(0,0,0,.35);
}
.video iframe{
  position:absolute; inset:0;
  width:100%; height:100%;
  border:0;
}

.section{padding: 26px 0 44px}
.grid{
  display:grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}
@media (max-width: 980px){
  .grid{grid-template-columns:1fr}
}
.panel{
  border-radius: var(--radius);
  border:1px solid var(--line);
  background: rgba(16,20,26,.45);
  padding: 18px 18px 16px;
}
.panel h2{
  margin:0 0 10px;
  font-size: 16px;
  letter-spacing:.01em;
}
.panel ul{margin:0; padding-left:18px; color: var(--muted); line-height:1.65}
.panel li{margin: 8px 0}

.section--book{
  padding-top: 42px;
  border-top: 1px solid var(--line);
}
.book{
  display:grid;
  grid-template-columns: 1fr 1fr;
  gap: 18px;
  align-items:start;
}
@media (max-width: 980px){
  .book{grid-template-columns:1fr}
}
.book__actions{display:flex; gap:12px; flex-wrap:wrap; margin-top: 12px}
.checklist{margin:0; padding-left:18px; color: var(--muted); line-height:1.7}
.note{color: var(--muted); font-size: 12.5px; line-height:1.5}

/* Footer */
.footer{
  margin-top: 28px;
  border-top: 1px solid var(--line);
  background: rgba(5,6,7,.72);
}
.footer__inner{
  display:flex; justify-content:space-between; align-items:center;
  padding: 18px 0;
  gap: 14px;
  flex-wrap:wrap;
}
.footer__brand{display:flex; gap:12px; align-items:center}
.footer__brand img{height:34px; width:auto; opacity:.98}
.footer__name{font-weight:900}
.footer__tag{color:var(--muted); font-size:12px}
.footer__links{display:flex; gap:14px; color: var(--muted); font-size: 12px}
.footer__links a:hover{text-decoration:underline}
.footer__fineprint{
  padding: 0 0 22px;
  color: rgba(183,192,206,.78);
  font-size: 11.5px;
  line-height: 1.55;
}