/* BB2G Academy — institutional dark, built to feel like a credential worth earning. */

@import url('https://fonts.googleapis.com/css2?family=Newsreader:ital,opsz,wght@0,6..72,400;0,6..72,500;0,6..72,600;1,6..72,400&family=IBM+Plex+Sans:wght@400;500;600&family=IBM+Plex+Mono:wght@400;500&display=swap');

:root {
  --ink: #0a0d11;
  --ink-2: #0e1319;
  --panel: #121821;
  --panel-2: #172029;
  --line: #232e3a;
  --line-2: #2f3d4c;
  --text: #e6edf5;
  --muted: #93a3b6;
  --slate: #7d8da0;
  --gold: #c9a227;
  --teal: #4fd1c5;
  --amber: #e0a33e;
  --green: #4ea87a;
  --violet: #9b8cf0;
  --red: #e06c6c;

  --serif: 'Newsreader', Georgia, serif;
  --sans: 'IBM Plex Sans', system-ui, -apple-system, sans-serif;
  --mono: 'IBM Plex Mono', ui-monospace, monospace;

  --r: 10px;
  --r-lg: 16px;
  --shadow: 0 18px 50px rgba(0, 0, 0, .45);
  --maxw: 1180px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

body {
  margin: 0;
  background: var(--ink);
  color: var(--text);
  font-family: var(--sans);
  font-size: 15px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

a { color: inherit; }
img, video { max-width: 100%; display: block; }

.wrap { max-width: var(--maxw); margin: 0 auto; padding: 0 1.5rem; }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 60;
  background: rgba(10, 13, 17, .86);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.topbar .wrap { display: flex; align-items: center; gap: 1.25rem; height: 62px; }
.brand { display: flex; align-items: center; gap: .7rem; text-decoration: none; margin-right: auto; }
.brand svg { width: 28px; height: 28px; color: var(--gold); flex: none; }
.brand b { font-family: var(--serif); font-size: 1.06rem; font-weight: 600; letter-spacing: .01em; }
.brand span { display: block; font-size: .58rem; letter-spacing: .19em; text-transform: uppercase; color: var(--slate); margin-top: -2px; }
.navlinks { display: flex; gap: 1.4rem; }
.navlinks a {
  font-size: .74rem; letter-spacing: .13em; text-transform: uppercase;
  color: var(--muted); text-decoration: none; padding: .3rem 0;
  border-bottom: 1px solid transparent; transition: color .18s, border-color .18s;
}
.navlinks a:hover, .navlinks a.on { color: var(--text); border-color: var(--gold); }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: .5rem;
  font-family: var(--sans); font-size: .78rem; font-weight: 600;
  letter-spacing: .1em; text-transform: uppercase;
  padding: .78rem 1.4rem; border-radius: var(--r);
  border: 1px solid var(--line-2); background: var(--panel-2); color: var(--text);
  text-decoration: none; cursor: pointer;
  transition: background .18s, border-color .18s, transform .18s;
}
.btn:hover { background: #1e2833; border-color: var(--slate); }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: .42; cursor: not-allowed; }
.btn-gold { background: var(--gold); border-color: var(--gold); color: #17130a; }
.btn-gold:hover { background: #dcb43a; border-color: #dcb43a; }
.btn-ghost { background: transparent; }
.btn-sm { padding: .5rem .95rem; font-size: .7rem; }

/* ---------- hero ---------- */
.hero { position: relative; min-height: 78vh; display: flex; align-items: center; overflow: hidden; }
.hero video, .hero .heroimg {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; z-index: 0;
}
.hero::after {
  content: ''; position: absolute; inset: 0; z-index: 1;
  background:
    linear-gradient(180deg, rgba(10,13,17,.62) 0%, rgba(10,13,17,.80) 55%, var(--ink) 100%),
    radial-gradient(120% 90% at 15% 40%, rgba(10,13,17,.25) 0%, rgba(10,13,17,.9) 100%);
}
.hero .wrap { position: relative; z-index: 2; padding-top: 5rem; padding-bottom: 5rem; }
.eyebrow {
  font-family: var(--mono); font-size: .68rem; letter-spacing: .3em;
  text-transform: uppercase; color: var(--gold); margin-bottom: 1.1rem;
}
.hero h1 {
  font-family: var(--serif); font-weight: 500;
  font-size: clamp(2.3rem, 6vw, 4.1rem); line-height: 1.06;
  margin: 0 0 1.2rem; max-width: 17ch; letter-spacing: -.015em;
}
.hero h1 em { font-style: italic; color: var(--gold); }
.hero p.lede {
  font-size: clamp(1rem, 1.6vw, 1.16rem); color: #c3cfdc;
  max-width: 56ch; margin: 0 0 2rem;
}
.herobtns { display: flex; gap: .8rem; flex-wrap: wrap; }

/* ---------- sections ---------- */
section { padding: 5rem 0; }
.sec-h { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 2.4rem; flex-wrap: wrap; }
.sec-h h2 {
  font-family: var(--serif); font-weight: 500; font-size: clamp(1.6rem, 3.2vw, 2.3rem);
  margin: 0; letter-spacing: -.01em;
}
.sec-h .num { font-family: var(--mono); font-size: .72rem; color: var(--gold); letter-spacing: .2em; }
.sec-h p { color: var(--muted); margin: 0; max-width: 52ch; font-size: .93rem; }
.rule { height: 1px; background: var(--line); border: 0; margin: 0; }

/* ---------- track cards ---------- */
.tracks { display: grid; grid-template-columns: repeat(auto-fit, minmax(290px, 1fr)); gap: 1.15rem; }
.track {
  position: relative; border: 1px solid var(--line); border-radius: var(--r-lg);
  background: var(--panel); overflow: hidden; display: flex; flex-direction: column;
  text-decoration: none; color: inherit;
  transition: border-color .22s, transform .22s, box-shadow .22s;
}
.track:hover { border-color: var(--line-2); transform: translateY(-3px); box-shadow: var(--shadow); }
.track .tvid { width: 100%; height: 148px; object-fit: cover; opacity: .5; }
.track .tbody { padding: 1.3rem 1.3rem 1.5rem; display: flex; flex-direction: column; gap: .6rem; flex: 1; }
.track h3 { font-family: var(--serif); font-weight: 600; font-size: 1.24rem; margin: 0; }
.track .tag {
  font-family: var(--mono); font-size: .62rem; letter-spacing: .16em; text-transform: uppercase;
  color: var(--slate);
}
.track p { color: var(--muted); font-size: .89rem; margin: 0; flex: 1; }
.track .tmeta {
  display: flex; gap: 1rem; font-family: var(--mono); font-size: .68rem;
  color: var(--slate); letter-spacing: .06em; padding-top: .7rem; border-top: 1px solid var(--line);
}
.track .accent { position: absolute; top: 0; left: 0; right: 0; height: 3px; }
.a-teal { background: var(--teal); } .a-amber { background: var(--amber); }
.a-gold { background: var(--gold); } .a-green { background: var(--green); }
.a-violet { background: var(--violet); }
.c-teal { color: var(--teal); } .c-amber { color: var(--amber); }
.c-gold { color: var(--gold); } .c-green { color: var(--green); }
.c-violet { color: var(--violet); }

/* ---------- progress ---------- */
.bar { height: 5px; border-radius: 99px; background: var(--line); overflow: hidden; }
.bar i { display: block; height: 100%; background: var(--gold); border-radius: 99px; transition: width .5s cubic-bezier(.2,.8,.2,1); }

/* ---------- steps ---------- */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(215px, 1fr)); gap: 1.6rem; }
.step { border-top: 2px solid var(--line); padding-top: 1.1rem; }
.step b { display: block; font-family: var(--mono); font-size: .68rem; letter-spacing: .2em; color: var(--gold); margin-bottom: .5rem; }
.step h4 { font-family: var(--serif); font-size: 1.1rem; font-weight: 600; margin: 0 0 .45rem; }
.step p { color: var(--muted); font-size: .87rem; margin: 0; }

/* ---------- panels / notes ---------- */
.panel { border: 1px solid var(--line); border-radius: var(--r-lg); background: var(--panel); padding: 1.6rem; }
.note {
  border-left: 2px solid var(--gold); background: var(--ink-2);
  padding: 1.05rem 1.25rem; border-radius: 0 var(--r) var(--r) 0;
  color: var(--muted); font-size: .87rem;
}
.note b { color: var(--text); }
.note.warn { border-left-color: var(--amber); }
.note.bad { border-left-color: var(--red); }

/* ---------- forms ---------- */
label { display: block; font-size: .72rem; letter-spacing: .13em; text-transform: uppercase; color: var(--slate); margin-bottom: .45rem; }
input, select, textarea {
  width: 100%; padding: .78rem .95rem; border-radius: var(--r);
  border: 1px solid var(--line-2); background: var(--ink-2); color: var(--text);
  font-family: var(--sans); font-size: .95rem;
}
input:focus, select:focus { outline: none; border-color: var(--gold); }
.field { margin-bottom: 1.05rem; }
.formgrid { display: grid; grid-template-columns: 1fr 1fr; gap: 0 1rem; }

/* ---------- footer ---------- */
footer { border-top: 1px solid var(--line); padding: 3rem 0 4rem; background: var(--ink-2); }
.fgrid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 2.5rem; }
footer h5 { font-family: var(--mono); font-size: .66rem; letter-spacing: .2em; text-transform: uppercase; color: var(--gold); margin: 0 0 .9rem; }
footer p, footer li { color: var(--muted); font-size: .85rem; }
footer ul { list-style: none; padding: 0; margin: 0; }
footer li { margin-bottom: .45rem; }
footer a { color: var(--muted); text-decoration: none; }
footer a:hover { color: var(--text); }
.sig { font-family: var(--serif); font-size: 1rem; color: var(--text); }
.sig span { display: block; font-family: var(--sans); font-size: .72rem; color: var(--slate); letter-spacing: .06em; }

@media (max-width: 860px) {
  .fgrid { grid-template-columns: 1fr; gap: 2rem; }
  .formgrid { grid-template-columns: 1fr; }
  .navlinks { display: none; }
  section { padding: 3.4rem 0; }
}