@charset "UTF-8";
/* ==========================================================================
   Bitcoin Logical — "First Principles" design system
   Cool engineering paper + graphite ink + one functional Bitcoin-amber accent.
   Light is the default. Dark is a deep slate-ink terminal.
   ========================================================================== */

/* ---------- 1. TOKENS ---------- */
:root{
  --paper:#F4F6F9;
  --surface:#E9EDF2;
  --card:#FFFFFF;
  --line:#D6DCE4;
  --line-soft:#E4E9EF;
  --ink:#12151A;
  --muted:#5A6470;
  /* fixed dark chrome — must NOT invert with the theme */
  --bar:#12151A;
  --bar-text:#E8ECF2;
  --bar-muted:#94A0AE;
  --bar-line:#2A313C;

  --amber:#F0800C;            /* brand FILL: buttons, rules, borders */
  --amber-text:#A85608;       /* amber used as TEXT on light surfaces.
                                 #F0800C is only 2.3-2.7:1 there — a WCAG AA
                                 failure. This passes on card/paper/band. */
  --amber-hover:#8A4706;
  --amber-tint:#FBE7CF;

  --up:#0F9D58;
  --down:#D93838;
  --flat:#5A6470;
  --signal:#2D6CDF;
  --signal-tint:#E7EEFB;

  --chip-analysis:#2D6CDF;
  --chip-educational:#0F9D58;
  --chip-markets:#F0800C;
  --chip-news:#5A6470;

  --display:'Familjen Grotesk',system-ui,-apple-system,'Segoe UI',sans-serif;
  --body:'Public Sans',system-ui,-apple-system,'Segoe UI',sans-serif;
  --mono:'Fragment Mono',ui-monospace,SFMono-Regular,Menlo,monospace;

  --wrap:1280px;
  --read:720px;
  --rail:320px;
  --r:4px;
  --r-lg:8px;
  --shadow:0 1px 2px rgba(18,21,26,.05);
  --shadow-lift:0 4px 14px rgba(18,21,26,.09);
  --grid-rule:rgba(18,21,26,.045);
  --head-h:56px;
  color-scheme:light;
}
html[data-theme="dark"]{
  --paper:#0E1116;
  --surface:#161A21;
  --card:#1B2029;
  --line:#2A313C;
  --line-soft:#232A34;
  --ink:#E8ECF2;
  --muted:#94A0AE;
  --bar:#080A0E;
  --bar-text:#E8ECF2;
  --bar-muted:#94A0AE;
  --bar-line:#2A313C;
  --amber-tint:#3A2708;
  /* chip colours were never overridden for dark: news was 2.72:1 and
     analysis 3.36:1 on the dark card — both below AA. */
  --chip-news:#9AA6B4;
  --chip-analysis:#6E9BF0;
  --chip-educational:#3CBE7E;
  --amber-text:#F0800C;   /* 6.79:1 on dark ink — brand amber is fine here */
  --amber-hover:#FFA23D;
  --signal-tint:#152340;
  --up:#3CBE7E;
  --down:#F06A6A;
  --grid-rule:rgba(232,236,242,.05);
  --shadow:0 1px 2px rgba(0,0,0,.4);
  --shadow-lift:0 4px 16px rgba(0,0,0,.5);
  color-scheme:dark;
}

/* ---------- 2. BASE ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:calc(var(--head-h) + 24px)}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{animation-duration:.01ms !important;transition-duration:.01ms !important}}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--body);font-size:18px;line-height:1.667;
  font-synthesis-weight:none;-webkit-font-smoothing:antialiased;
  display:flex;flex-direction:column;min-height:100vh;
  /* the faint measured grid — the notebook motif */
  background-image:linear-gradient(var(--grid-rule) 1px,transparent 1px);
  background-size:100% 32px;
}
main{flex:1 0 auto}
img,svg,video{max-width:100%;height:auto}
img{display:block}
a{color:var(--amber-text);text-decoration:none}
/* Body-copy links carry an underline at rest: colour alone fails SC 1.4.1. */
.bl-prose a,.bl-longform a,.bl-faq-a a{text-decoration:underline;text-underline-offset:2px}
a:hover{color:var(--amber-hover);text-decoration:underline;text-underline-offset:2px}
:focus-visible{outline:2px solid var(--signal);outline-offset:2px;border-radius:2px}
hr{border:0;border-top:1px solid var(--line);margin:32px 0}
::selection{background:var(--amber-tint);color:var(--ink)}

h1,h2,h3,h4,h5{font-family:var(--display);font-weight:600;line-height:1.2;margin:0 0 .5em;letter-spacing:-.014em}
h1{font-size:32px;line-height:1.25}
h2{font-size:24px;line-height:1.33}
h3{font-size:20px;line-height:1.3}
h4{font-size:18px;line-height:1.22}
p{margin:0 0 1.1em}
ul,ol{margin:0 0 1.2em;padding-left:1.35em}
li{margin:0 0 .45em}
blockquote{margin:1.5em 0;padding:2px 0 2px 20px;border-left:3px solid var(--amber);color:var(--ink);font-size:19px}
code,kbd,samp{font-family:var(--mono);font-size:.88em;background:var(--surface);padding:.12em .38em;border-radius:3px}
small{font-size:14px}
table{border-collapse:collapse;width:100%}
figure{margin:1.6em 0}
figcaption{font-size:14px;color:var(--muted);margin-top:8px}

/* numerals are always tabular mono — the recurring motif */
.num,.bl-num,td.num,.bl-val{font-family:var(--mono);font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

.bl-kicker{
  font-family:var(--mono);font-size:11px;letter-spacing:.14em;text-transform:uppercase;
  color:var(--muted);margin:0 0 10px;display:block
}
.bl-kicker--amber{color:var(--amber-text)}

.skip-link{position:absolute;left:-9999px;top:0;z-index:999;background:var(--ink);color:var(--paper);padding:10px 16px}
.skip-link:focus{left:8px;top:8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- 3. LAYOUT ---------- */
.bl-wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.bl-wrap--narrow{max-width:900px}
.bl-read{max-width:var(--read)}
.bl-shell{display:grid;grid-template-columns:minmax(0,1fr) var(--rail);gap:48px;align-items:start}
.bl-section{padding:56px 0}
.bl-section--tight{padding:36px 0}
.bl-section + .bl-section{border-top:1px solid var(--line-soft)}
.bl-grid{display:grid;gap:24px}
.bl-grid--3{grid-template-columns:repeat(3,minmax(0,1fr))}
.bl-grid--4{grid-template-columns:repeat(4,minmax(0,1fr))}
.bl-grid--2{grid-template-columns:repeat(2,minmax(0,1fr))}

.bl-sechead{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin:0 0 24px;padding-bottom:12px;border-bottom:2px solid var(--ink)}
.bl-sechead h2{margin:0;font-size:24px}
.bl-sechead .bl-more{font-family:var(--mono);font-size:12px;letter-spacing:.06em;text-transform:uppercase;white-space:nowrap}

/* ---------- 4. HEADER ---------- */
.bl-statusbar{
  background:var(--bar);color:var(--bar-text);font-family:var(--mono);font-size:12px;
  border-bottom:1px solid rgba(255,255,255,.08)
}
.bl-statusbar a{color:var(--bar-text);text-decoration:none}
.bl-statusbar a:hover{color:var(--amber-text);text-decoration:none}
.bl-statusbar .bl-wrap{display:flex;align-items:center;gap:18px;height:32px;overflow-x:auto;scrollbar-width:none;white-space:nowrap}
.bl-statusbar .bl-wrap::-webkit-scrollbar{display:none}
.bl-statusbar .bl-sb-date{color:var(--bar-muted)}
.bl-statusbar .bl-sb-sep{color:var(--bar-line)}
.bl-live{margin-left:auto;display:inline-flex;align-items:center;gap:6px;color:var(--bar-muted)}
.bl-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--up);box-shadow:0 0 0 0 rgba(15,157,88,.6);animation:blpulse 2.4s infinite}
@keyframes blpulse{0%{box-shadow:0 0 0 0 rgba(15,157,88,.5)}70%{box-shadow:0 0 0 6px rgba(15,157,88,0)}100%{box-shadow:0 0 0 0 rgba(15,157,88,0)}}
.up{color:var(--up)}
.down{color:var(--down)}
.flat{color:var(--muted)}

.bl-mast{position:sticky;top:0;z-index:60;background:color-mix(in srgb,var(--paper) 88%,transparent);backdrop-filter:saturate(1.4) blur(10px);border-bottom:1px solid var(--line)}
.bl-mast .bl-wrap{display:flex;align-items:center;gap:24px;height:var(--head-h)}
.bl-logo{display:flex;align-items:center;gap:9px;font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:-.02em;color:var(--ink)}
.bl-logo:hover{color:var(--ink);text-decoration:none}
.bl-logo svg{flex:0 0 auto}
.bl-logo b{font-weight:700}
.bl-logo span{font-weight:400;color:var(--muted)}

.bl-nav{display:flex;align-items:center;gap:2px;margin:0 0 0 8px;padding:0}
.bl-nav > li{list-style:none;position:relative;margin:0}
.bl-nav-top{
  display:inline-flex;align-items:center;gap:5px;padding:8px 11px;border-radius:var(--r);
  font-size:15px;font-weight:500;color:var(--ink);background:none;border:0;cursor:pointer;font-family:var(--body)
}
.bl-nav-top:hover{background:var(--surface);color:var(--ink);text-decoration:none}
.bl-nav-top[aria-expanded="true"]{background:var(--surface)}
.bl-nav-top .bl-caret{width:8px;height:8px;border-right:1.5px solid var(--muted);border-bottom:1.5px solid var(--muted);transform:rotate(45deg) translateY(-2px);transition:transform .2s}
.bl-nav-top[aria-expanded="true"] .bl-caret{transform:rotate(-135deg) translateY(-2px)}
.bl-nav-top--sig{color:var(--amber-text);font-weight:600}

.bl-mega{
  position:absolute;top:calc(100% + 8px);left:0;min-width:260px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-lift);
  padding:10px;display:none;z-index:70
}
.bl-mega[data-open="1"]{display:block}
.bl-mega a{display:block;padding:8px 12px;border-radius:var(--r);font-size:15px;color:var(--ink)}
.bl-mega a:hover{background:var(--surface);color:var(--ink);text-decoration:none}
.bl-mega a small{display:block;font-size:12.5px;color:var(--muted);line-height:1.4;margin-top:1px}
.bl-mega hr{margin:8px 4px;border-top:1px solid var(--line-soft)}
.bl-mega .bl-mega-last{color:var(--amber-text);font-weight:600}

.bl-mast-right{margin-left:auto;display:flex;align-items:center;gap:8px}
.bl-iconbtn{
  width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:var(--card);border-radius:var(--r);cursor:pointer;color:var(--ink)
}
.bl-iconbtn:hover{border-color:var(--amber);color:var(--amber-text)}
.bl-burger{display:none}

/* ---------- 5. BUTTONS + CHIPS ---------- */
.bl-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 18px;border-radius:var(--r);font-family:var(--body);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:background .2s,color .2s,border-color .2s;text-align:center
}
.bl-btn--amber{background:var(--amber);color:#12151A;border-color:var(--amber);font-weight:600}
.bl-btn--amber:hover{background:var(--amber-hover);border-color:var(--amber-hover);color:#fff;text-decoration:none}
/* Dark hover-amber is light (#FFA23D): white on it is 2.0:1, ink is 9.1:1. */
html[data-theme="dark"] .bl-btn--amber:hover{color:#12151A}

.bl-btn--ink{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.bl-btn--ink:hover{background:#000;color:#fff;text-decoration:none}
html[data-theme="dark"] .bl-btn--ink:hover{background:#fff;color:#000}
.bl-btn--ghost{background:transparent;color:var(--ink);border-color:var(--line)}
.bl-btn--ghost:hover{border-color:var(--amber);color:var(--amber-text);text-decoration:none}
.bl-btn--sm{padding:7px 13px;font-size:13.5px}
.bl-btn--full{width:100%}

.bl-chip{
  display:inline-flex;align-items:center;gap:6px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.1em;text-transform:uppercase;padding:3px 8px;border-radius:3px;
  border:1px solid currentColor;line-height:1.6
}
.bl-chip--blue{color:var(--chip-analysis)}
.bl-chip--green{color:var(--chip-educational)}
.bl-chip--amber{color:var(--chip-markets)}
.bl-chip--slate{color:var(--chip-news)}
.bl-chip:hover{text-decoration:none;background:currentColor}
.bl-chip:hover span{color:var(--card)}

.bl-tag{display:inline-block;font-size:13px;padding:4px 10px;border:1px solid var(--line);border-radius:99px;color:var(--muted);margin:0 6px 6px 0}
.bl-tag:hover{border-color:var(--amber);color:var(--amber-text);text-decoration:none}

/* the signature "reasoned, not hyped" pip */
.bl-pip{
  display:inline-flex;align-items:center;gap:5px;font-family:var(--mono);font-size:10.5px;
  letter-spacing:.08em;text-transform:uppercase;color:var(--amber-text);
  background:var(--amber-tint);border-radius:3px;padding:3px 7px;line-height:1.5
}
html[data-theme="dark"] .bl-pip{color:#F5A44A}
.bl-pip::before{content:"";width:5px;height:5px;background:currentColor;border-radius:1px;transform:rotate(45deg)}

/* ---------- 6. CARDS ---------- */
.bl-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;box-shadow:var(--shadow);transition:transform .22s ease-out,border-color .22s,box-shadow .22s
}
.bl-card:hover{transform:translateY(-1px);border-color:var(--amber);box-shadow:var(--shadow-lift)}
.bl-card h3{font-size:19px;margin:0 0 8px}
.bl-card h3 a{color:var(--ink)}
.bl-card h3 a:hover{color:var(--amber-text);text-decoration:none}
.bl-card p{font-size:15.5px;line-height:1.55;color:var(--muted);margin:0}
.bl-card--flat{box-shadow:none}
.bl-card--flat:hover{transform:none;box-shadow:none}

.bl-cardmeta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-family:var(--mono);font-size:11.5px;color:var(--muted);margin-top:12px}
/* Inside a card only: pin the byline to the bottom so cards sharing a grid
   row line up. Scoped deliberately — .bl-cardmeta is also used in the hero,
   where a non-flex parent would turn margin-top:auto into 0. */
.bl-card .bl-cardmeta{margin-top:auto;padding-top:12px}
.bl-cardmeta a{color:var(--muted)}
.bl-cardmeta a:hover{color:var(--amber-text)}

/* On-chain corner: the metric card is naturally taller than the article
   cards beside it. The wrapper already stretches (grid default), but its
   inner grid stayed at content height, leaving a ~150px void under the
   articles. A single-cell grid passes the stretch through to the row. */
/* Was an inline style, which no media query could override — the fixed 360px
   column survived to mobile and squeezed the cards to ~1600px tall. */
.bl-onchain{grid-template-columns:minmax(0,1fr) 360px}
.bl-onchain-main{display:grid}
/* Scoped to this section — .bl-msrc is shared with the Signal board, where
   the source line must stay directly under its metric. */
.bl-onchain .bl-msrc{margin-top:auto;padding-top:12px}

.bl-cover{width:100%;aspect-ratio:1200/630;object-fit:cover;border-radius:var(--r);border:1px solid var(--line);background:var(--surface);margin:0 0 14px}

/* article list row (compact) */
.bl-row{display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line-soft)}
.bl-row:last-child{border-bottom:0}
.bl-row img{width:104px;height:58px;object-fit:cover;border-radius:3px;flex:0 0 auto;border:1px solid var(--line)}
.bl-row h4{font-size:16px;line-height:1.32;margin:0 0 5px}
.bl-row h4 a{color:var(--ink)}
.bl-row h4 a:hover{color:var(--amber-text);text-decoration:none}

/* ---------- 7. THE BITCOIN SIGNAL ---------- */
.bl-board{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden}
.bl-board-head{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:13px 18px;border-bottom:1px solid var(--line);background:var(--surface)
}
.bl-board-head h2,.bl-board-head h3{margin:0;font-size:15px;letter-spacing:.01em;display:flex;align-items:center;gap:9px}
.bl-board-head .bl-stamp{font-family:var(--mono);font-size:11px;color:var(--muted)}
/* Explicitly 3 columns, NOT auto-fit: with a fluid column count the 6
   metrics reflow to 4+2 (or 5+1) as the container width changes, leaving
   visibly empty grid cells. Three columns x two rows always fills. */
.bl-board-body{display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}
.bl-metric{padding:16px 18px;border-right:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft)}
.bl-metric:last-child{border-right:0}
.bl-metric .bl-mlabel{font-family:var(--mono);font-size:10.5px;letter-spacing:.11em;text-transform:uppercase;color:var(--muted);display:block;margin-bottom:7px}
.bl-metric .bl-val{font-size:22px;line-height:1.24;font-weight:400;letter-spacing:-.01em;display:block}
.bl-metric .bl-msub{font-family:var(--mono);font-size:12px;color:var(--muted);display:block;margin-top:5px}
.bl-metric--lead .bl-val{font-size:36px;line-height:1.2}

/* the honest "what it means / what it doesn't" note */
.bl-note{margin-top:11px;padding-top:10px;border-top:1px dashed var(--line)}
.bl-note dt{font-family:var(--mono);font-size:10px;letter-spacing:.1em;text-transform:uppercase;color:var(--muted);margin-bottom:3px}
.bl-note dd{margin:0 0 9px;font-size:13.5px;line-height:1.5;color:var(--ink)}
.bl-note dd:last-child{margin-bottom:0}
.bl-note .bl-note-not{color:var(--muted)}
.bl-msrc{font-family:var(--mono);font-size:11px;color:var(--muted);margin-top:9px;display:block}

.bl-signal-flash{animation:blflash .34s ease-out}
@keyframes blflash{0%{background:var(--amber-tint)}100%{background:transparent}}

/* skeleton loader — never an em-dash placeholder */
.bl-skel{display:inline-block;height:1em;min-width:72px;border-radius:3px;background:linear-gradient(90deg,var(--surface) 25%,var(--line-soft) 37%,var(--surface) 63%);background-size:400% 100%;animation:blskel 1.3s ease infinite;vertical-align:middle}
@keyframes blskel{0%{background-position:100% 50%}100%{background-position:0 50%}}

/* ---------- 8. THE FIRST-PRINCIPLES TAKE ---------- */
.bl-take{
  border:1px solid var(--ink);border-radius:var(--r-lg);background:var(--card);
  margin:36px 0;overflow:hidden;box-shadow:var(--shadow)
}
.bl-take-head{padding:15px 22px;border-bottom:1px solid var(--line);background:var(--surface);display:flex;flex-wrap:wrap;align-items:center;gap:12px}
.bl-take-head h2,.bl-take-head h3{margin:0;font-size:17px;letter-spacing:-.01em}
.bl-take-body{padding:6px 22px 20px}
.bl-take-step{padding:18px 0;border-bottom:1px dashed var(--line)}
.bl-take-step:last-child{border-bottom:0}
.bl-take-step > dt{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--muted);margin:0 0 8px;display:flex;align-items:center;gap:9px
}
.bl-take-step > dt::before{content:"";width:16px;height:1px;background:var(--amber)}
.bl-take-step > dd{margin:0;font-size:16.5px;line-height:1.6}
.bl-take-step > dd p:last-child{margin-bottom:0}
.bl-take-step--claim > dd{font-size:18px;font-weight:600;font-family:var(--display);line-height:1.45}
.bl-take-step--not{background:var(--surface);margin:0 -22px;padding:18px 22px;border-bottom:0}
.bl-take-step--not > dt{color:var(--down)}
.bl-take-step--not > dt::before{background:var(--down)}
.bl-take-foot{
  padding:12px 22px;border-top:1px solid var(--line);background:var(--card);
  font-family:var(--mono);font-size:11.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px;align-items:center
}
.bl-take-evidence{list-style:none;padding:0;margin:0}
.bl-take-evidence li{position:relative;padding-left:20px;margin-bottom:9px;font-size:16px}
.bl-take-evidence li::before{content:"";position:absolute;left:0;top:.62em;width:9px;height:1px;background:var(--signal)}
.bl-take-evidence li:last-child{margin-bottom:0}

/* ---------- 9. CALLOUTS ---------- */
.bl-callout{border:1px solid var(--line);border-left:3px solid var(--signal);border-radius:var(--r);background:var(--card);padding:16px 18px;margin:26px 0}
.bl-callout > .bl-kicker{margin-bottom:7px}
.bl-callout p:last-child,.bl-callout ul:last-child,.bl-callout ol:last-child{margin-bottom:0}
.bl-callout--answer{border-left-color:var(--amber-text);background:var(--amber-tint)}
html[data-theme="dark"] .bl-callout--answer{background:var(--surface)}
.bl-callout--takeaways{border-left-color:var(--up)}
.bl-callout--not{border-left-color:var(--down);background:var(--surface)}
.bl-callout--ymyl{border-left-color:var(--down);font-size:14.5px;line-height:1.55;color:var(--muted)}
.bl-callout--ymyl strong{color:var(--ink)}
.bl-callout--disclosure{border-left-color:var(--muted);font-size:14px;color:var(--muted)}
.bl-callout--data{border-left-color:var(--amber-text);font-family:var(--mono);font-size:14px}

.bl-sources{border-top:1px solid var(--line);padding-top:18px;margin-top:32px}
.bl-sources ol{font-size:15px;color:var(--muted);margin-bottom:0}
.bl-sources li{margin-bottom:7px}

/* ---------- 10. ARTICLE ---------- */
.bl-crumbs{font-family:var(--mono);font-size:11.5px;color:var(--muted);margin:0 0 18px;letter-spacing:.02em}
.bl-crumbs a{color:var(--muted)}
.bl-crumbs a:hover{color:var(--amber-text)}
.bl-crumbs .sep{margin:0 7px;opacity:.5}

.bl-arthead h1{font-size:38px;line-height:1.16;letter-spacing:-.022em;margin:12px 0 14px}
.bl-standfirst{font-size:20px;line-height:1.5;color:var(--muted);margin:0 0 20px;max-width:680px}
.bl-byline{display:flex;flex-wrap:wrap;align-items:center;gap:8px 14px;font-family:var(--mono);font-size:12px;color:var(--muted);padding:14px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.bl-byline a{color:var(--ink)}
.bl-byline .bl-b-sep{opacity:.4}

.bl-prose{font-size:18px;line-height:1.72}
.bl-prose > h2{font-size:26px;margin:1.8em 0 .55em;padding-top:.25em}
.bl-prose > h3{font-size:20px;margin:1.6em 0 .45em}
.bl-prose > h4{font-size:17.5px;margin:1.5em 0 .4em}
.bl-prose img{border-radius:var(--r);border:1px solid var(--line)}
.bl-prose a{text-decoration:underline;text-underline-offset:2px;text-decoration-thickness:1px}
.bl-prose ul li::marker{color:var(--amber-text)}
.bl-prose table{font-size:15.5px;margin:1.6em 0}
.bl-prose th,.bl-prose td{border:1px solid var(--line);padding:9px 12px;text-align:left}
.bl-prose th{background:var(--surface);font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;font-weight:400}

.bl-toc{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px;margin:0 0 30px}
.bl-toc ol{margin:0;padding-left:1.1em;font-size:15.5px}
.bl-toc li{margin-bottom:6px}
.bl-toc a{color:var(--ink)}
.bl-toc a:hover{color:var(--amber-text)}

.bl-progress{position:fixed;top:0;left:0;height:2px;background:var(--amber);width:0;z-index:100;transition:width .1s linear}

.bl-share{display:flex;flex-direction:column;gap:8px;position:sticky;top:calc(var(--head-h) + 24px)}
.bl-share a{width:34px;height:34px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:var(--r);color:var(--muted)}
.bl-share a:hover{border-color:var(--amber);color:var(--amber-text);text-decoration:none}

.bl-authorcard{display:flex;gap:16px;align-items:flex-start;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;background:var(--card);margin:34px 0}
.bl-authorcard .bl-avatar{width:56px;height:56px;border-radius:50%;flex:0 0 auto;background:var(--surface);border:1px solid var(--line);object-fit:cover}
.bl-authorcard h4{margin:0 0 4px;font-size:16px}
.bl-authorcard p{margin:0;font-size:14.5px;line-height:1.55;color:var(--muted)}

/* the desk mark used where there is no real photo — honest, not a fake face */
.bl-deskmark{width:56px;height:56px;border-radius:50%;flex:0 0 auto;display:flex;align-items:center;justify-content:center;background:var(--bar);color:var(--amber-text);font-family:var(--display);font-weight:700;font-size:19px;letter-spacing:-.03em}

/* ---------- 11. RAIL ---------- */
/* Sticky, with NO internal scrollbar. The rail must therefore FIT the
   viewport — anything taller than ~800px would be pinned with its lower
   blocks permanently unreachable, so keep the rail short. */
.bl-rail{position:sticky;top:calc(var(--head-h) + 24px);display:flex;flex-direction:column;gap:16px}
/* flex-shrink:0 is load-bearing. .bl-rail is a flex COLUMN with a max-height
   and overflow-y:auto; flex children shrink by default, so instead of the
   rail scrolling, every box was squashed below its natural height and its
   own overflow:hidden then clipped the content mid-line. */
.bl-railbox{flex:0 0 auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--card);overflow:hidden}
.bl-railbox > h3{margin:0;font-size:13px;letter-spacing:.02em;padding:11px 15px;border-bottom:1px solid var(--line);background:var(--surface)}
.bl-railbox-body{padding:14px 15px}
.bl-railbox-body p{font-size:14.5px;line-height:1.55;color:var(--muted)}
.bl-railbox-body p:last-child{margin-bottom:0}
.bl-raillist{list-style:none;margin:0;padding:0}
.bl-raillist li{padding:9px 0;border-bottom:1px solid var(--line-soft);font-size:14.5px;line-height:1.4}
.bl-raillist li:first-child{padding-top:0}
.bl-raillist li:last-child{border-bottom:0;padding-bottom:0}
.bl-raillist a{color:var(--ink)}
.bl-raillist a:hover{color:var(--amber-text);text-decoration:none}
.bl-raillist .bl-rl-meta{display:block;font-family:var(--mono);font-size:11px;color:var(--muted);margin-top:3px}

.bl-railmetric{display:flex;justify-content:space-between;align-items:baseline;gap:10px;padding:8px 0;border-bottom:1px solid var(--line-soft);font-size:14px}
.bl-railmetric:last-child{border-bottom:0}
.bl-railmetric .k{font-family:var(--mono);font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}
.bl-railmetric .v{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- 12. NEWSLETTER ---------- */
.bl-news{border:1px solid var(--ink);border-radius:var(--r-lg);background:var(--card);padding:28px;position:relative;overflow:hidden}
.bl-news::after{content:"";position:absolute;inset:0 0 auto 0;height:3px;background:var(--amber)}
.bl-news h2,.bl-news h3{margin:0 0 8px}
.bl-news p{color:var(--muted);font-size:15.5px;margin:0 0 16px}
.bl-form{display:flex;gap:8px;flex-wrap:wrap}
.bl-input{
  flex:1 1 220px;min-width:0;padding:11px 13px;border:1px solid var(--line);border-radius:var(--r);
  background:var(--paper);color:var(--ink);font-family:var(--body);font-size:15px
}
.bl-input:focus{outline:2px solid var(--signal);outline-offset:0;border-color:var(--signal)}
.bl-formnote{font-family:var(--mono);font-size:11.5px;color:var(--muted);margin:12px 0 0}

/* Homepage newsletter: full-band, so split into a pitch and an action panel
   rather than stacking five flush-left elements across 1200px. The narrow
   in-article/newsletter-page instances keep the plain stacked .bl-news. */
.bl-news--split{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:14px 40px;align-items:start;padding:32px}
.bl-news--split .bl-news-body p{margin:0 0 4px;font-size:16px}
.bl-news-points{list-style:none;margin:20px 0 0;padding:0;display:grid;gap:12px}
.bl-news-points li{display:flex;gap:12px;margin:0;font-size:15px;line-height:1.5;color:var(--muted)}
.bl-news-points .n{font-family:var(--mono);font-size:12px;color:var(--amber-text);padding-top:2px;flex:0 0 auto}
.bl-news-points b{color:var(--ink);font-weight:600}
.bl-news-panel{background:var(--surface);border:1px solid var(--line);border-radius:var(--r);padding:20px}
.bl-news-panel .bl-form{flex-direction:column;gap:10px}
/* flex-basis follows the MAIN axis: once the form stacks, `flex:1 1 220px`
   would make the input 220px TALL. Reset it wherever the form is column. */
.bl-news-panel .bl-input{flex:0 0 auto}
.bl-news-panel .bl-input,.bl-news-panel .bl-btn{width:100%}
/* Mirrors the numbered list opposite, so both columns share a rhythm and
   the panel stops sitting ~50px short of the pitch beside it. */
.bl-news-trust{list-style:none;margin:16px 0 0;padding:0;display:grid;gap:8px}
.bl-news-trust li{display:flex;gap:9px;margin:0;font-size:13.5px;line-height:1.45;color:var(--muted)}
.bl-news-trust .t{color:var(--amber-text);flex:0 0 auto;font-size:12px;line-height:1.6}
.bl-msg{margin:12px 0 0;font-size:14.5px;padding:9px 12px;border-radius:var(--r);border:1px solid var(--line)}
.bl-msg--ok{border-color:var(--up);color:var(--up)}
.bl-msg--err{border-color:var(--down);color:var(--down)}

/* ---------- 13. TABLES / DATA ---------- */
.bl-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-lg);background:var(--card)}
.bl-table{width:100%;font-size:15px}
.bl-table th,.bl-table td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--line-soft)}
.bl-table thead th{
  font-family:var(--mono);font-size:10.5px;letter-spacing:.1em;text-transform:uppercase;
  color:var(--muted);font-weight:400;background:var(--surface);border-bottom:1px solid var(--line);white-space:nowrap
}
.bl-table tbody tr:last-child td{border-bottom:0}
.bl-table tbody tr:hover{background:var(--surface)}
.bl-table td.num,.bl-table th.num{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- 14. FAQ / ACCORDION ---------- */
.bl-faq details{border:1px solid var(--line);border-radius:var(--r);background:var(--card);margin-bottom:10px}
.bl-faq summary{
  padding:15px 18px;cursor:pointer;font-family:var(--display);font-weight:600;font-size:17px;
  line-height:1.35;list-style:none;display:flex;justify-content:space-between;gap:14px;align-items:flex-start
}
.bl-faq summary::-webkit-details-marker{display:none}
.bl-faq summary::after{content:"+";font-family:var(--mono);color:var(--amber-text);font-size:19px;line-height:1;flex:0 0 auto;margin-top:2px}
.bl-faq details[open] summary::after{content:"−"}
.bl-faq details[open] summary{border-bottom:1px solid var(--line-soft)}
.bl-faq .bl-faq-a{padding:15px 18px;font-size:16px;line-height:1.62}
.bl-faq .bl-faq-a p:last-child{margin-bottom:0}
/* Two INDEPENDENT stacks side by side. Deliberately NOT a grid over the
   individual <details>: that would tie each pair into a shared row, so
   opening one card would leave a matching hole beside it. Each column
   flows on its own, so an open answer only pushes its own column down. */
.bl-faq--cols{display:grid;grid-template-columns:1fr 1fr;gap:0 22px;align-items:start}
.bl-faq--cols details{margin-bottom:12px}

/* /faq/ — grouped view */
.bl-faq-jump{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 40px}
.bl-faq-jump a{
  display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border:1px solid var(--line);
  border-radius:99px;background:var(--card);font-size:14.5px;font-weight:500;color:var(--ink)
}
.bl-faq-jump a:hover{border-color:var(--amber);color:var(--amber-text);text-decoration:none}
.bl-faq-jump a span{font-family:var(--mono);font-size:12px;color:var(--muted)}
.bl-faq-jump a:hover span{color:var(--amber-text)}
.bl-faq-group{margin:0 0 46px;scroll-margin-top:calc(var(--head-h) + 24px)}
.bl-faq-groupnote{color:var(--muted);font-size:15.5px;margin:-14px 0 18px;max-width:640px}

/* ---------- 15. FOOTER ---------- */
.bl-foot{background:var(--bar);color:#C3CBD5;margin-top:64px;font-size:15px}
html[data-theme="dark"] .bl-foot{background:#080A0E;border-top:1px solid var(--line)}
.bl-foot a{color:#C3CBD5}
.bl-foot a:hover{color:var(--amber-text);text-decoration:none}
.bl-foot-top{display:grid;grid-template-columns:1.6fr repeat(4,1fr);gap:36px;padding:52px 0 40px}
.bl-foot h4{font-family:var(--mono);font-size:10.5px;letter-spacing:.14em;text-transform:uppercase;color:#7A8695;margin:0 0 14px;font-weight:400}
.bl-foot ul{list-style:none;margin:0;padding:0}
.bl-foot li{margin-bottom:9px;font-size:14.5px;line-height:1.4}
.bl-foot-brand p{font-size:14.5px;line-height:1.6;color:#8B95A3;max-width:330px}
.bl-foot-logo{display:inline-flex;align-items:center;gap:9px;font-family:var(--display);font-weight:700;font-size:19px;color:#fff;margin-bottom:12px}
.bl-foot-logo:hover{color:#fff}
.bl-foot-social{display:flex;gap:10px;margin-top:16px}
.bl-foot-social a{width:32px;height:32px;border:1px solid #2A313C;border-radius:var(--r);display:inline-flex;align-items:center;justify-content:center}
.bl-foot-social a:hover{border-color:var(--amber)}
.bl-foot-bottom{border-top:1px solid #232A34;padding:22px 0 34px;font-size:13px;color:#7A8695}
.bl-foot-ymyl{border:1px solid #2A313C;border-left:3px solid var(--down);border-radius:var(--r);padding:13px 16px;margin:0 0 18px;font-size:13.5px;line-height:1.6;color:#98A2B0}
.bl-foot-legal{display:flex;flex-wrap:wrap;gap:8px 18px;align-items:center;font-family:var(--mono);font-size:11.5px}

/* ---------- 16. HERO ---------- */
.bl-hero{padding:40px 0 46px;border-bottom:1px solid var(--line)}
.bl-hero-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);gap:52px;align-items:center}
.bl-hero-cover{display:block;margin:0}
.bl-hero-cover img{width:100%;aspect-ratio:1200/630;object-fit:cover;border-radius:var(--r-lg);border:1px solid var(--line);background:var(--surface);display:block}
.bl-hero-lead h1{font-size:42px;line-height:1.16;letter-spacing:-.024em;margin:14px 0 16px}
.bl-hero-cover + .bl-kicker--amber{margin-top:0}
.bl-hero-lead h1 a{color:var(--ink)}
.bl-hero-lead h1 a:hover{color:var(--amber-text);text-decoration:none}
.bl-hero-lead .bl-standfirst{font-size:18.5px}
/* Hero byline — desk mark + name + meta, matching the reference layout */
.bl-heroby{display:flex;align-items:center;gap:13px;margin-top:22px}
.bl-heroby-name{display:block;font-weight:600;color:var(--ink);font-size:15.5px}
.bl-heroby-name:hover{color:var(--amber-text);text-decoration:none}
.bl-heroby-meta{display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.04em;text-transform:uppercase;color:var(--muted);margin-top:3px}
.bl-deskmark--sm{width:38px;height:38px;font-size:15px}

/* More top stories */
.bl-topstories{margin-top:44px;padding-top:26px;border-top:1px solid var(--line)}
.bl-topstories .bl-kicker{margin-bottom:6px}
.bl-row-eyebrow{display:block;font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--amber-text);margin-bottom:5px}
.bl-row-eyebrow:hover{text-decoration:none;color:var(--amber-hover)}
.bl-row-meta{font-family:var(--mono);font-size:11px;letter-spacing:.03em;text-transform:uppercase;color:var(--muted)}
.bl-row-meta a{color:var(--muted)}
.bl-row-meta a:hover{color:var(--amber-text)}

/* Signal band directly under the hero */
/* Centred, not start-aligned: the callout+CTA are much shorter than the
   board, and start-alignment dumped ~230px of slack at the bottom, which
   read as a broken/unfinished block. */
/* Both columns stretch to the same height so the band reads as ONE block.
   Previously the left was a tall bordered card and the right was short
   floating content, which made the two look like different components. */
.bl-signalrow{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:32px;align-items:stretch}
.bl-signalrow > div{display:flex;flex-direction:column;min-width:0}
.bl-signalrow > div > .bl-board{flex:1}
.bl-signalside{gap:14px}
.bl-signalside .bl-callout{flex:1;display:flex;flex-direction:column;justify-content:center;margin:0}
.bl-signalside .bl-btn{align-self:stretch;text-align:center}

/* ---------- 17. TOOLS ---------- */
.bl-tool{border:1px solid var(--line);border-radius:var(--r-lg);background:var(--card);padding:24px}
.bl-field{margin-bottom:16px}
.bl-field label{display:block;font-family:var(--mono);font-size:11px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:6px}
.bl-field input,.bl-field select{
  width:100%;padding:11px 13px;border:1px solid var(--line);border-radius:var(--r);
  background:var(--paper);color:var(--ink);font-family:var(--mono);font-size:16px
}
.bl-field input:focus,.bl-field select:focus{outline:2px solid var(--signal);border-color:var(--signal)}
.bl-out{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:18px 20px;margin-top:8px}
.bl-out-row{display:flex;justify-content:space-between;align-items:baseline;gap:14px;padding:9px 0;border-bottom:1px solid var(--line)}
.bl-out-row:last-child{border-bottom:0}
.bl-out-row .k{font-size:14.5px;color:var(--muted)}
.bl-out-row .v{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:19px}
.bl-out-row--lead .v{font-size:26px;color:var(--amber-text)}

.bl-countdown{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin:22px 0}
.bl-cd-cell{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:16px 10px;text-align:center}
.bl-cd-cell .n{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:34px;line-height:1.1;display:block}
.bl-cd-cell .u{font-family:var(--mono);font-size:10.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--muted);margin-top:6px;display:block}

/* ---------- 18. MISC ---------- */
.bl-pager{display:flex;gap:8px;justify-content:center;margin:44px 0 0;flex-wrap:wrap}
.bl-pager .page-numbers{
  min-width:38px;height:38px;display:inline-flex;align-items:center;justify-content:center;padding:0 12px;
  border:1px solid var(--line);border-radius:var(--r);font-family:var(--mono);font-size:14px;color:var(--ink);background:var(--card)
}
.bl-pager .page-numbers:hover{border-color:var(--amber);color:var(--amber-text);text-decoration:none}
.bl-pager .page-numbers.current{background:var(--ink);color:var(--paper);border-color:var(--ink)}

.bl-empty{text-align:center;padding:64px 24px;border:1px dashed var(--line);border-radius:var(--r-lg);color:var(--muted)}
.bl-empty h2{color:var(--ink)}

.bl-hubhead{padding:38px 0 30px;border-bottom:1px solid var(--line);margin-bottom:36px}
.bl-hubhead h1{font-size:40px;letter-spacing:-.024em;margin:10px 0 12px}
.bl-hubhead p{font-size:18px;color:var(--muted);max-width:700px;margin:0}

.bl-search{position:fixed;inset:0;background:color-mix(in srgb,var(--paper) 96%,transparent);z-index:200;display:none;padding-top:14vh}
.bl-search[data-open="1"]{display:block}
.bl-search form{max-width:640px;margin:0 auto;display:flex;gap:10px;padding:0 24px}
.bl-search input{flex:1;padding:15px 18px;font-size:19px;border:1px solid var(--line);border-radius:var(--r);background:var(--card);color:var(--ink);font-family:var(--body)}
.bl-searchclose{position:absolute;top:20px;right:24px}

.bl-drawer{position:fixed;inset:0;background:var(--paper);z-index:150;overflow-y:auto;display:none;padding:16px 0 60px}
.bl-drawer[data-open="1"]{display:block}
.bl-drawer summary{padding:13px 0;border-bottom:1px solid var(--line);font-family:var(--display);font-weight:600;font-size:17px;cursor:pointer;list-style:none;display:flex;justify-content:space-between}
.bl-drawer summary::-webkit-details-marker{display:none}
.bl-drawer summary::after{content:"+";color:var(--amber-text);font-family:var(--mono)}
.bl-drawer details[open] summary::after{content:"−"}
.bl-drawer details a{display:block;padding:9px 0 9px 14px;font-size:15.5px;color:var(--ink);border-bottom:1px solid var(--line-soft)}
.bl-drawer > .bl-wrap > a.bl-btn{margin-top:18px}

.bl-band{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}

.bl-longform{max-width:820px}
.bl-longform h2{font-size:27px;margin:2em 0 .6em;padding-top:.3em;scroll-margin-top:calc(var(--head-h) + 24px)}
.bl-longform h2:first-child{margin-top:0}
.bl-longform h3{font-size:20px;margin:1.7em 0 .5em}
.bl-longform p,.bl-longform li{font-size:17.5px;line-height:1.72}

.bl-jump{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:20px 22px;margin:0 0 38px;columns:2;column-gap:32px}
.bl-jump a{display:block;padding:5px 0;font-size:15px;color:var(--ink);break-inside:avoid}
.bl-jump a:hover{color:var(--amber-text);text-decoration:none}

.bl-ctagrid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}

/* ==========================================================================
   RESPONSIVE — every override lives at the END, after the base rules it is
   meant to beat (equal specificity resolves by source order).
   ========================================================================== */
@media (max-width:1180px){
  .bl-hero-grid{grid-template-columns:1fr;gap:28px}
  .bl-hero-grid .bl-hero-cover{order:-1}
  .bl-signalrow{grid-template-columns:1fr;gap:22px}
  .bl-topstories .bl-grid--2{gap:0 !important}
  .bl-foot-top{grid-template-columns:1.4fr repeat(2,1fr);gap:30px}
}
@media (max-width:1024px){
  .bl-shell{grid-template-columns:minmax(0,1fr);gap:44px}
  .bl-rail{position:static;max-height:none;overflow:visible}
  .bl-nav{display:none}
  .bl-burger{display:inline-flex}
  .bl-onchain{grid-template-columns:minmax(0,1fr)}
  .bl-grid--4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bl-share{flex-direction:row;position:static}
}
@media (max-width:820px){
  body{font-size:17px}
  h1{font-size:28px}
  .bl-arthead h1{font-size:30px}
  .bl-hero-lead h1{font-size:31px}
  .bl-hubhead h1{font-size:30px}
  .bl-grid--3,.bl-grid--2{grid-template-columns:1fr}
  .bl-board-body{grid-template-columns:repeat(2,minmax(0,1fr))}
  .bl-faq--cols{grid-template-columns:1fr}
  .bl-news--split{grid-template-columns:1fr;gap:24px;padding:24px}
  .bl-section{padding:40px 0}
  .bl-jump{columns:1}
  .bl-ctagrid{grid-template-columns:1fr 1fr}
  .bl-longform p,.bl-longform li{font-size:16.5px}
  .bl-metric--lead .bl-val{font-size:30px}
}
@media (max-width:480px){
  .bl-mast-right .bl-btn{display:none}
  .bl-logo span{white-space:nowrap}
  .bl-statusbar .bl-wrap{gap:12px}
  .bl-statusbar .bl-sb-date{display:none}
  .bl-live{font-size:0}
}
@media (max-width:600px){
  .bl-wrap{padding:0 16px}
  .bl-foot-top{grid-template-columns:1fr;gap:26px;padding:38px 0 26px}
  .bl-grid--4{grid-template-columns:1fr}
  .bl-countdown{grid-template-columns:repeat(2,1fr)}
  .bl-ctagrid{grid-template-columns:1fr}
  .bl-board-body{grid-template-columns:1fr}
  .bl-metric{border-right:0}
  .bl-take-body{padding:6px 16px 18px}
  .bl-take-step--not{margin:0 -16px;padding:18px 16px}
  .bl-take-head,.bl-take-foot{padding-left:16px;padding-right:16px}
  .bl-row img{width:80px;height:46px}
  .bl-arthead h1{font-size:26px}
  .bl-hero-lead h1{font-size:27px}
  .bl-standfirst{font-size:17px}
  .bl-form{flex-direction:column}
  /* Same trap as .bl-news-panel: stacking makes flex-basis a height. */
  .bl-form .bl-input{flex:0 0 auto;width:100%}
  .bl-form .bl-btn{width:100%}
}