/* BTC Media Labs — tokens from standards/brand-kit.md */
:root{
  --navy:#131E2C; --navy-2:#0D1622; --panel:#1A2739; --panel-2:#21324A;
  --silver:#DCE3EB; --silver-soft:#8D9BAD; --blue:#2E7FE0; --blue-bright:#4E98F0;
  --teal:#2AC3BD; --gold:#D4A62C; --violet:#9B7BE0;
  --line:rgba(255,255,255,.10); --shadow:0 30px 70px -34px rgba(0,0,0,.8);
  --display:"SF Pro Display",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,"SF Mono","SFMono-Regular",Menlo,Consolas,monospace;
  --wrap:1120px; --gut:20px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--navy);color:var(--silver);font-family:var(--display);font-size:17px;line-height:1.6;overflow-x:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--blue-bright);text-decoration:none}
a:hover{text-decoration:underline}
:focus-visible{outline:2px solid var(--blue-bright);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 var(--gut);width:100%}
.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;position:fixed;background:var(--panel-2);padding:10px 14px;border-radius:10px;z-index:99}

h1,h2,h3{line-height:1.15;margin:0 0 .4em;letter-spacing:-.02em;overflow-wrap:break-word}
h1{font-size:clamp(2rem,6vw,3.6rem);font-weight:800}
h2{font-size:clamp(1.5rem,3.6vw,2.4rem);font-weight:700}
h3{font-size:1.15rem;font-weight:650}
p{margin:0 0 1rem;overflow-wrap:break-word}
.lead{font-size:clamp(1.02rem,2.1vw,1.24rem);color:var(--silver-soft);max-width:64ch}
.muted{color:var(--silver-soft)}
.small{font-size:.87rem}
.eyebrow{font-size:.74rem;letter-spacing:.16em;text-transform:uppercase;color:var(--blue-bright);font-weight:650;margin:0 0 .7rem}
.plain{list-style:none;margin:0;padding:0}
.plain li{margin:.32rem 0}

/* header */
.site-head{position:sticky;top:0;z-index:40;background:rgba(13,22,34,.82);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}
.head-inner{display:flex;align-items:center;gap:16px;min-height:64px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--silver);text-decoration:none;font-weight:600}
.brand:hover{text-decoration:none}
.brand-text b{font-weight:800}
.site-nav{margin-left:auto;display:flex;align-items:center;gap:22px;font-size:.95rem}
.site-nav a{color:var(--silver-soft)}
.site-nav a:hover,.site-nav a[aria-current]{color:var(--silver);text-decoration:none}
.site-nav .cta{background:var(--blue);color:#fff;padding:9px 16px;border-radius:999px;font-weight:600}
.site-nav .cta:hover{background:var(--blue-bright)}
.burger{display:none;margin-left:auto;width:42px;height:38px;padding:9px;cursor:pointer}
.burger span{display:block;height:2px;background:var(--silver);margin:5px 0;border-radius:2px;transition:.2s}
@media (max-width:860px){
  .burger{display:block}
  .site-nav{order:3;flex-basis:100%;margin:0;display:none;flex-direction:column;align-items:flex-start;gap:2px;padding-bottom:14px}
  .site-nav a{padding:11px 2px;width:100%}
  #navtoggle:checked ~ .site-nav{display:flex}
  #navtoggle:checked ~ .burger span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  #navtoggle:checked ~ .burger span:nth-child(2){opacity:0}
  #navtoggle:checked ~ .burger span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
}

/* sections */
section{padding:clamp(48px,7vw,96px) 0}
.section-head{max-width:64ch;margin-bottom:34px}
.hero{padding-top:clamp(40px,6vw,80px);padding-bottom:clamp(40px,6vw,80px)}
.hero-grid{display:grid;gap:34px;align-items:center}
@media (min-width:880px){.hero-grid{grid-template-columns:1.15fr .85fr;gap:56px}}
.hero-art{justify-self:center;max-width:340px;filter:drop-shadow(0 26px 60px rgba(0,0,0,.55))}
.pill{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:var(--panel);
  color:var(--silver-soft);padding:6px 14px;border-radius:999px;font-size:.8rem;font-weight:600}
.pill .dot{width:7px;height:7px;border-radius:50%;background:var(--teal)}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn{display:inline-block;padding:12px 22px;border-radius:999px;font-weight:650;font-size:.97rem}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--blue);color:#fff}
.btn-primary:hover{background:var(--blue-bright)}
.btn-ghost{border:1px solid var(--line);color:var(--silver);background:var(--panel)}
.btn-ghost:hover{border-color:var(--silver-soft)}

/* cards */
.grid{display:grid;gap:18px}
.grid-2{grid-template-columns:1fr}
.grid-3{grid-template-columns:1fr}
@media (min-width:760px){.grid-2{grid-template-columns:1fr 1fr}.grid-3{grid-template-columns:repeat(3,1fr)}}
.card{background:var(--panel);border:1px solid var(--line);border-radius:22px;padding:26px;position:relative;overflow:hidden}
.card h3{margin-bottom:.35rem}
.card.accent::before{content:"";position:absolute;inset:0 0 auto;height:3px;background:var(--accent,var(--blue))}
.product{display:grid;gap:20px}
@media (min-width:640px){.product{grid-template-columns:auto 1fr;align-items:start}}
.product img{width:72px;border-radius:18px}
.badge{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:4px 12px;
  font-size:.72rem;letter-spacing:.06em;text-transform:uppercase;font-weight:700;color:var(--silver-soft);white-space:nowrap}
.badge.live{color:var(--teal);border-color:rgba(42,195,189,.42)}
.badge.soon{color:var(--gold);border-color:rgba(212,166,44,.42)}
.tag{font-size:.74rem;letter-spacing:.14em;text-transform:uppercase;color:var(--silver-soft);font-weight:650}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:10px}

/* news + prose */
.news-item{border-top:1px solid var(--line);padding:22px 0;display:grid;gap:6px}
@media (min-width:700px){.news-item{grid-template-columns:150px 1fr;gap:24px}}
time{color:var(--silver-soft);font-size:.87rem;font-variant-numeric:tabular-nums}
.prose{max-width:70ch}
.prose h2{margin-top:2.2em}
.prose h3{margin-top:1.8em}
.prose ul{padding-left:1.1rem}
.prose li{margin:.4rem 0}
.callout{background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--blue);border-radius:14px;padding:18px 20px;margin:1.6rem 0}
.divider{border:0;border-top:1px solid var(--line);margin:0}

/* footer */
.site-foot{border-top:1px solid var(--line);background:var(--navy-2);padding:52px 0 30px;margin-top:40px}
.foot-grid{display:grid;gap:28px}
@media (min-width:760px){.foot-grid{grid-template-columns:1.6fr 1fr 1fr 1fr}}
.foot-h{font-size:.78rem;letter-spacing:.14em;text-transform:uppercase;color:var(--silver-soft);margin:0 0 .7rem}
.site-foot a{color:var(--silver-soft)}
.site-foot a:hover{color:var(--silver)}
.foot-base{display:flex;justify-content:space-between;gap:10px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:34px;padding-top:20px}
.foot-base p{margin:0}

@media (prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important;scroll-behavior:auto!important}}