/* Deep Harbour, the same tokens as the five tools and the design canvas. */
:root{
  --page:#071824; --ink:#cfe3ec; --ink-strong:#f2f8f6; --ink-muted:#7fa3b3; --ink-faint:#55707d;
  --line:rgba(255,255,255,.09); --line-soft:rgba(255,255,255,.06); --line-strong:rgba(255,255,255,.2);
  --glass:rgba(255,255,255,.045);
  --teal:#4fd1c5; --gold:#d9a552; --good:#3fbf72; --bad:#ef6a5c;
  --disp:"Bricolage Grotesque",system-ui,sans-serif;
  --body:"Source Sans 3",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
body{font-family:var(--body);color:var(--ink);-webkit-font-smoothing:antialiased;min-height:100vh;
  background:radial-gradient(1100px 560px at 18% -10%,#0f3a4a 0%,transparent 60%),
             radial-gradient(900px 500px at 100% 10%,#14293f 0%,transparent 55%),var(--page)}
a{color:var(--teal);text-decoration:none}
a:hover{color:#7fe0d6}
::selection{background:var(--teal);color:#04141d}

/* ------------------------------------------------------------------- nav */
.nav{display:flex;align-items:center;gap:26px;padding:18px 32px;border-bottom:1px solid var(--line);flex-wrap:wrap}
/* not flex: a gap here would split the wordmark into "Prop Fact" */
.logo{display:inline-block;font-family:var(--disp);font-size:20px;font-weight:700;
  color:var(--ink-strong);letter-spacing:-.02em;white-space:nowrap}
.logo span{color:var(--gold)}
.nav .tabs{display:flex;gap:2px}
.nav .tabs a{font-size:14px;font-weight:600;color:var(--ink-muted);padding:9px 15px;
  border-bottom:2px solid transparent;white-space:nowrap}
.nav .tabs a:hover{color:var(--ink-strong)}
.nav .tabs a.on{color:var(--ink-strong);border-bottom-color:var(--gold)}
.nav .right{margin-left:auto;display:flex;align-items:center;gap:10px;flex-wrap:wrap}

.btn{display:inline-block;font:inherit;font-size:13px;font-weight:700;border-radius:999px;
  padding:10px 20px;cursor:pointer;border:1px solid transparent;white-space:nowrap;text-align:center}
.btn.solid{background:var(--teal);color:#04141d}
.btn.solid:hover{background:#7fe0d6;color:#04141d}
.btn.ghost{background:var(--glass);border-color:var(--line);color:var(--ink-strong)}
.btn.ghost:hover{border-color:var(--line-strong)}
.btn.gold{background:rgba(217,165,82,.10);border-color:rgba(217,165,82,.45);color:var(--gold)}
.btn.plain{background:none;color:var(--ink-muted);padding:9px 6px;font-weight:600}
.btn.big{font-size:15px;padding:14px 30px}
.btn[disabled]{opacity:.55;cursor:progress}

/* ----------------------------------------------------------------- shell */
.wrap{max-width:1120px;margin:0 auto;padding:56px 32px 96px}
.eyebrow{font-size:11px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--teal);margin-bottom:14px}
h1{font-family:var(--disp);font-size:clamp(30px,4.4vw,44px);line-height:1.09;font-weight:700;
  letter-spacing:-.03em;color:var(--ink-strong);margin-bottom:18px;text-wrap:balance}
h2{font-family:var(--disp);font-size:clamp(23px,2.6vw,30px);font-weight:700;letter-spacing:-.025em;
  color:var(--ink-strong);margin-bottom:10px}
h3{font-family:var(--disp);font-size:20px;font-weight:700;letter-spacing:-.02em;color:var(--ink-strong)}
.lede{font-size:17px;line-height:1.62;color:var(--ink-muted);max-width:70ch}
.muted{color:var(--ink-muted)}
.faint{color:var(--ink-faint);font-size:13.5px}
.card{background:var(--glass);border:1px solid var(--line);border-radius:14px;padding:26px 28px}
.grid{display:grid;gap:20px}
@media(min-width:820px){.grid.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
                        .grid.g2{grid-template-columns:repeat(2,minmax(0,1fr))}}

/* ------------------------------------------------------------ auth cards */
.auth{max-width:430px;margin:0 auto;padding:60px 24px 90px}
.auth .card{padding:30px 32px}
.auth h1{font-size:26px;margin-bottom:8px}
.auth .sub{font-size:14.5px;line-height:1.6;color:var(--ink-muted);margin-bottom:22px}
.field{margin-bottom:16px}
.field label{display:block;font-size:10.5px;font-weight:700;letter-spacing:.11em;
  text-transform:uppercase;color:var(--ink-faint);margin-bottom:6px}
.field input{width:100%;font:inherit;font-size:15px;color:var(--ink-strong);background:rgba(0,0,0,.22);
  border:1px solid var(--line);border-radius:9px;padding:11px 13px}
.field input:focus{outline:2px solid var(--teal);outline-offset:1px;border-color:transparent}
.field .hint{font-size:12.5px;color:var(--ink-faint);margin-top:6px}
.auth .btn{width:100%;margin-top:6px}
.auth .alt{text-align:center;font-size:13.5px;color:var(--ink-muted);margin-top:16px}
.note{font-size:12.5px;line-height:1.55;color:var(--ink-faint);margin-top:18px;
  padding-top:14px;border-top:1px solid var(--line-soft)}
.msg{font-size:13.5px;line-height:1.5;border-radius:9px;padding:11px 13px;margin-bottom:16px;display:none}
.msg.show{display:block}
.msg.bad{background:rgba(239,106,92,.1);border:1px solid rgba(239,106,92,.32);color:#ffb3a9}
.msg.good{background:rgba(63,191,114,.1);border:1px solid rgba(63,191,114,.32);color:#8fe0ae}

/* ---------------------------------------------------------------- course */
.vid{display:flex;gap:20px;align-items:flex-start;background:var(--glass);
  border:1px solid var(--line);border-radius:12px;padding:18px 20px;margin-bottom:12px}
.vid .n{font-family:var(--disp);font-size:13px;font-weight:700;color:var(--ink-faint);
  min-width:26px;padding-top:2px}
.vid .b{flex-grow:1;min-width:0}
.vid h3{font-size:16.5px;margin-bottom:4px}
.vid .meta{font-size:12.5px;color:var(--ink-faint)}
.vid .act{flex-shrink:0;align-self:center}
.pill{display:inline-block;font-size:10px;font-weight:700;letter-spacing:.1em;text-transform:uppercase;
  border-radius:999px;padding:3px 9px;margin-left:8px;vertical-align:2px}
.pill.free{color:var(--good);background:rgba(63,191,114,.12);border:1px solid rgba(63,191,114,.3)}
.pill.locked{color:var(--ink-faint);background:rgba(255,255,255,.05);border:1px solid var(--line)}
.pill.soon{color:var(--gold);background:rgba(217,165,82,.12);border:1px solid rgba(217,165,82,.32)}
.vid.locked{opacity:.72}

.banner{background:linear-gradient(135deg,rgba(79,209,197,.13),rgba(217,165,82,.05));
  border:1px solid rgba(79,209,197,.3);border-radius:14px;padding:26px 30px;margin-bottom:30px;
  display:flex;gap:28px;align-items:center;flex-wrap:wrap}
.banner .b{flex-grow:1;min-width:260px}
.foot{border-top:1px solid var(--line);padding:26px 32px;font-size:12.5px;color:var(--ink-faint)}

/* ------------------------------------------------------ site footer */
/* Injected by drawFoot() in pf.js, so the columns live in one place. */
.sitefoot{border-top:1px solid var(--line);margin:72px auto 0;padding:34px 32px 10px;
  max-width:1120px;display:flex;gap:40px;flex-wrap:wrap}
.sitefoot .brand{flex:0 0 280px}
.sitefoot .cols{display:flex;gap:56px;flex-wrap:wrap;flex-grow:1}
.sitefoot .col{display:flex;flex-direction:column;gap:8px}
.sitefoot .col .h{font-size:11px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;
  color:var(--ink-faint);margin-bottom:2px}
.sitefoot .col a,.sitefoot .col span{font-size:13.5px;color:var(--ink-muted)}
.sitefoot .col a:hover{color:var(--ink-strong)}
.legal{max-width:1120px;margin:0 auto;padding:0 32px 44px}
.legal div{font-size:12px;line-height:1.65;color:var(--ink-faint);max-width:104ch;
  border-top:1px solid var(--line-soft);padding-top:18px}