/* Self-hosted webfonts — no third-party requests, no Google Fonts beacon. */
@font-face{font-family:'Instrument Serif';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/instrument-serif-latin-400-normal.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Instrument Serif';font-style:normal;font-weight:400;font-display:swap;src:url('/fonts/instrument-serif-latin-ext-400-normal.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Instrument Serif';font-style:italic;font-weight:400;font-display:swap;src:url('/fonts/instrument-serif-latin-400-italic.woff2') format('woff2');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Instrument Serif';font-style:italic;font-weight:400;font-display:swap;src:url('/fonts/instrument-serif-latin-ext-400-italic.woff2') format('woff2');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:200 800;font-display:swap;src:url('/fonts/bricolage-grotesque-latin-wght-normal.woff2') format('woff2-variations');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'Bricolage Grotesque';font-style:normal;font-weight:200 800;font-display:swap;src:url('/fonts/bricolage-grotesque-latin-ext-wght-normal.woff2') format('woff2-variations');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:100 800;font-display:swap;src:url('/fonts/jetbrains-mono-latin-wght-normal.woff2') format('woff2-variations');unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD;}
@font-face{font-family:'JetBrains Mono';font-style:normal;font-weight:100 800;font-display:swap;src:url('/fonts/jetbrains-mono-latin-ext-wght-normal.woff2') format('woff2-variations');unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF;}

/* ════════════════════════ DESIGN TOKENS ════════════════════════ */
:root{
  /* Canvas — deep Bitcoin-night navy-black */
  --abyss:#04070E; --ink0:#070C16; --ink1:#0B1120; --ink2:#10182A; --ink3:#172238; --ink4:#1F2D48;
  --rule:rgba(255,255,255,.07); --rule2:rgba(255,255,255,.12); --rule3:rgba(255,255,255,.20);

  /* Type */
  --t1:#EEF3FC; --t2:#94A6C0; --t3:#5A6F8C; --t4:#33445E;

  /* WARM — the Short / Bitcoin / collateral side */
  --btc:#F7931A; --ember:#FFB454; --ember2:#FFCE8A; --btcd:rgba(247,147,26,.10); --btcb:rgba(247,147,26,.28);
  --gold:#C9A84B; --goldd:rgba(201,168,75,.10); --goldb:rgba(201,168,75,.26);

  /* COOL — the Long / USDC / cash side */
  --azure:#3D9BE0; --azure2:#7FC2F0; --azured:rgba(61,155,224,.10); --azureb:rgba(61,155,224,.30);
  --teal:#2DD4BF; --teald:rgba(45,212,191,.09); --tealb:rgba(45,212,191,.28);

  /* States */
  --ok:#2BD46A; --okd:rgba(43,212,106,.10); --okb:rgba(43,212,106,.30);
  --warn:#E8A020; --danger:#E0524A; --dangerd:rgba(224,82,74,.10); --dangerb:rgba(224,82,74,.32);

  --maxw:1180px;
  --serif:'Instrument Serif',Georgia,serif;
  --sans:'Bricolage Grotesque',system-ui,sans-serif;
  --mono:'JetBrains Mono',ui-monospace,monospace;
}

*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto;}*{animation-duration:.001ms!important;transition-duration:.001ms!important;}}
body{
  font-family:var(--sans); color:var(--t1); background:var(--abyss);
  line-height:1.6; overflow-x:hidden; -webkit-font-smoothing:antialiased;
  font-variant-ligatures:common-ligatures; min-height:100vh;
}
body::before{ /* ambient field: warm left, cool right — the two sides meeting */
  content:''; position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(900px 600px at 8% -5%, rgba(247,147,26,.10), transparent 60%),
    radial-gradient(900px 600px at 95% 8%, rgba(61,155,224,.09), transparent 60%),
    radial-gradient(1200px 800px at 50% 120%, rgba(201,168,75,.05), transparent 60%);
}
.mono{font-family:var(--mono);} .serif{font-family:var(--serif);}
::selection{background:rgba(247,147,26,.30); color:#fff;}
a{color:inherit; text-decoration:none;}
img{max-width:100%; display:block;}
:focus-visible{outline:2px solid var(--ember); outline-offset:3px; border-radius:4px;}

.wrap{max-width:var(--maxw); margin:0 auto; padding:0 28px; position:relative; z-index:1;}
.eyebrow{font-family:var(--mono); font-size:11px; font-weight:700; letter-spacing:2.5px; text-transform:uppercase; color:var(--t3);}

/* ════════════════════════ NAV ════════════════════════ */
.nav{position:fixed; top:0; left:0; right:0; z-index:100; transition:background .3s, border-color .3s, backdrop-filter .3s; border-bottom:1px solid transparent;}
.nav.scrolled{background:rgba(7,12,22,.82); backdrop-filter:blur(18px); -webkit-backdrop-filter:blur(18px); border-bottom:1px solid var(--rule);}
.nav-inner{max-width:var(--maxw); margin:0 auto; padding:15px 28px; display:flex; align-items:center; justify-content:space-between; gap:20px;}
.brand{display:flex; align-items:center; gap:10px; font-weight:700; font-size:15px; letter-spacing:-.2px;}
.brand .sigil{width:30px; height:30px; border-radius:8px; display:grid; place-items:center; font-weight:800; font-size:17px; color:#1a0f00;
  background:radial-gradient(circle at 35% 28%, var(--ember2), var(--btc) 70%); box-shadow:0 4px 16px rgba(247,147,26,.4), inset 0 0 0 1px rgba(255,255,255,.25);}
.brand b{color:var(--btc); font-weight:800;}
.brand .sub{font-family:var(--mono); font-size:9px; font-weight:600; letter-spacing:1px; color:var(--t3); margin-left:2px;}
.nav-links{display:flex; align-items:center; gap:26px;}
.nav-links a{font-size:13px; color:var(--t2); transition:color .2s; font-weight:500;}
.nav-links a:hover{color:var(--t1);}
.nav-cta{font-family:var(--mono); font-size:11px; font-weight:700; letter-spacing:.6px; padding:9px 18px; border-radius:9px;
  background:linear-gradient(135deg,var(--btc),var(--btc2,#D4790D)); color:#1a0f00; box-shadow:0 5px 18px rgba(247,147,26,.30); transition:transform .15s, box-shadow .2s;}
.nav-cta:hover{transform:translateY(-1px); box-shadow:0 8px 24px rgba(247,147,26,.42);}
.nav-burger{display:none; flex-direction:column; gap:5px; cursor:pointer; padding:6px;}
.nav-burger span{width:22px; height:2px; background:var(--t1); border-radius:2px;}

/* ════════════════════════ HERO ════════════════════════ */
.hero{padding:140px 0 70px; position:relative;}
.hero-grid{display:grid; grid-template-columns:1.08fr .92fr; gap:54px; align-items:center;}
.sandbox-badge{display:inline-flex; align-items:center; gap:8px; font-family:var(--mono); font-size:10px; font-weight:700; letter-spacing:1.5px;
  padding:6px 14px; border-radius:100px; border:1px solid var(--goldb); background:var(--goldd); color:var(--gold); margin-bottom:24px;}
.sandbox-badge .pulse{width:6px; height:6px; border-radius:50%; background:var(--gold); box-shadow:0 0 0 0 rgba(201,168,75,.6); animation:pulse 2.4s infinite;}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(201,168,75,.5);}70%{box-shadow:0 0 0 7px rgba(201,168,75,0);}100%{box-shadow:0 0 0 0 rgba(201,168,75,0);}}

.hero h1{font-size:clamp(38px,5.2vw,66px); line-height:1.02; letter-spacing:-1.5px; font-weight:700; margin-bottom:20px;}
.hero h1 .em{font-family:var(--serif); font-style:italic; font-weight:400; letter-spacing:-.5px; background:linear-gradient(120deg,var(--ember2),var(--btc) 55%, var(--gold)); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; display:block;}
.hero-sub{font-size:18px; color:var(--t2); line-height:1.62; max-width:540px; margin-bottom:30px;}
.hero-sub b{color:var(--t1); font-weight:600;}
.hero-cta-row{display:flex; gap:14px; flex-wrap:wrap; align-items:center; margin-bottom:30px;}
.btn{font-family:var(--mono); font-size:12.5px; font-weight:700; letter-spacing:.5px; padding:14px 24px; border-radius:11px; cursor:pointer; border:none; transition:transform .15s, box-shadow .2s, border-color .2s; display:inline-flex; align-items:center; gap:9px;}
.btn-primary{background:linear-gradient(135deg,var(--ember),var(--btc) 60%,#D4790D); color:#1a0f00; box-shadow:0 8px 26px rgba(247,147,26,.32);}
.btn-primary:hover{transform:translateY(-2px); box-shadow:0 12px 34px rgba(247,147,26,.46);}
.btn-ghost{background:var(--ink2); border:1px solid var(--rule2); color:var(--t1);}
.btn-ghost:hover{border-color:var(--rule3); transform:translateY(-2px);}
.hero-meta{display:flex; gap:26px; flex-wrap:wrap; padding-top:8px; border-top:1px solid var(--rule);}
.hero-meta .hm{display:flex; flex-direction:column; gap:2px;}
.hero-meta .hm .v{font-family:var(--mono); font-size:18px; font-weight:800; color:var(--t1); letter-spacing:-.5px;}
.hero-meta .hm .v.warm{color:var(--btc);} .hero-meta .hm .v.cool{color:var(--azure);}
.hero-meta .hm .k{font-size:11px; color:var(--t3);}

/* Hero panel: the no-liquidation line */
.liq-panel{background:linear-gradient(165deg,var(--ink1),var(--ink0)); border:1px solid var(--rule); border-radius:22px; padding:24px; box-shadow:0 40px 90px rgba(0,0,0,.55), inset 0 0 0 1px rgba(255,255,255,.02); position:relative; overflow:hidden;}
.liq-panel::before{content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,var(--btc),var(--gold) 50%,var(--azure));}
.liq-head{display:flex; align-items:center; justify-content:space-between; margin-bottom:6px;}
.liq-title{font-family:var(--mono); font-size:11px; font-weight:700; letter-spacing:1.5px; color:var(--t2);}
.liq-tick{font-family:var(--mono); font-size:11px; font-weight:700; color:var(--btc); display:flex; align-items:center; gap:6px;}
.liq-tick .dot{width:6px; height:6px; border-radius:50%; background:var(--ok); box-shadow:0 0 8px var(--ok); animation:blink 1.6s infinite;}
@keyframes blink{50%{opacity:.35;}}
.liq-cap{font-size:11px; color:var(--t3); margin-bottom:16px;}
.liq-chart{position:relative; height:188px; margin:4px 0 14px;}
.liq-legend{display:flex; gap:16px; flex-wrap:wrap; font-family:var(--mono); font-size:9.5px; font-weight:600; color:var(--t2);}
.liq-legend i{width:14px; height:3px; border-radius:2px; display:inline-block; margin-right:6px; vertical-align:middle;}

/* ════════════════════════ SECTION SCAFFOLD ════════════════════════ */
section{position:relative; z-index:1;}
section[id],header[id]{scroll-margin-top:78px;}
.sec{padding:88px 0;}
.sec-head{max-width:680px; margin-bottom:46px;}
.sec-head.center{margin-left:auto; margin-right:auto; text-align:center;}
.sec-head .eyebrow{display:block; margin-bottom:14px;}
.sec-head h2{font-size:clamp(28px,3.6vw,42px); line-height:1.08; letter-spacing:-1px; font-weight:700;}
.sec-head h2 em{font-family:var(--serif); font-style:italic; font-weight:400;}
.sec-head h2 em.warm{color:var(--btc);} .sec-head h2 em.cool{color:var(--azure);} .sec-head h2 em.gold{color:var(--gold);}
.sec-head p{font-size:16px; color:var(--t2); margin-top:14px; line-height:1.62;}

.reveal{opacity:0; transform:translateY(22px); transition:opacity .7s cubic-bezier(.16,1,.3,1), transform .7s cubic-bezier(.16,1,.3,1);}
.reveal.in{opacity:1; transform:none;}

/* divider */
.divider{height:1px; background:linear-gradient(90deg,transparent,var(--rule2),transparent); max-width:var(--maxw); margin:0 auto;}

/* ════════════════════════ PROBLEM (2022) ════════════════════════ */
.prob-grid{display:grid; grid-template-columns:repeat(3,1fr); gap:18px;}
.prob-card{background:var(--ink1); border:1px solid var(--rule); border-radius:16px; padding:24px; position:relative; overflow:hidden; transition:border-color .25s, transform .25s;}
.prob-card:hover{border-color:var(--dangerb); transform:translateY(-3px);}
.prob-card .pnum{font-family:var(--mono); font-size:11px; font-weight:800; color:var(--danger); letter-spacing:1px; margin-bottom:14px;}
.prob-card h3{font-size:17px; font-weight:700; margin-bottom:8px; letter-spacing:-.3px;}
.prob-card p{font-size:13.5px; color:var(--t2); line-height:1.6;}
.prob-card .fix{margin-top:16px; padding-top:14px; border-top:1px dashed var(--rule2); font-size:12.5px; color:var(--t2); display:flex; gap:9px; align-items:flex-start;}
.prob-card .fix .arr{color:var(--ok); font-weight:800; flex-shrink:0; font-family:var(--mono);}
.prob-card .fix b{color:var(--ok); font-weight:600;}
.collapse-tag{display:inline-flex; gap:8px; flex-wrap:wrap; margin-top:30px;}
.collapse-tag span{font-family:var(--mono); font-size:10px; font-weight:600; color:var(--t3); padding:5px 11px; border:1px solid var(--rule); border-radius:6px; text-decoration:line-through; text-decoration-color:var(--danger);}

/* ════════════════════════ TWO-SIDED INSTRUMENT ════════════════════════ */
.sides-flow{display:grid; grid-template-columns:1fr auto 1fr; gap:0; align-items:stretch; margin-top:8px;}
.side{border-radius:20px; padding:28px; position:relative; overflow:hidden;}
.side.short{background:linear-gradient(160deg,rgba(247,147,26,.07),var(--ink1)); border:1px solid var(--btcb);}
.side.long{background:linear-gradient(200deg,rgba(61,155,224,.07),var(--ink1)); border:1px solid var(--azureb);}
.side .stag{font-family:var(--mono); font-size:10px; font-weight:800; letter-spacing:1.5px; padding:5px 12px; border-radius:7px; display:inline-block; margin-bottom:14px;}
.side.short .stag{background:var(--btcd); color:var(--btc); border:1px solid var(--btcb);}
.side.long .stag{background:var(--azured); color:var(--azure2); border:1px solid var(--azureb);}
.side h3{font-size:22px; font-weight:700; letter-spacing:-.5px; margin-bottom:6px;}
.side h3 small{display:block; font-family:var(--mono); font-size:11px; font-weight:600; color:var(--t3); letter-spacing:1px; margin-top:4px;}
.side .sdesc{font-size:14px; color:var(--t2); line-height:1.6; margin:14px 0 18px;}
.side ul{list-style:none; display:flex; flex-direction:column; gap:11px;}
.side li{display:flex; gap:11px; font-size:13.5px; color:var(--t1); line-height:1.5; align-items:flex-start;}
.side li .ic{flex-shrink:0; width:20px; height:20px; border-radius:6px; display:grid; place-items:center; font-size:11px; font-weight:800; margin-top:1px;}
.side.short li .ic{background:var(--btcd); color:var(--btc);}
.side.long li .ic{background:var(--azured); color:var(--azure2);}
.side li b{font-weight:600;}
.match-col{display:flex; flex-direction:column; align-items:center; justify-content:center; padding:0 14px; min-width:130px;}
.match-node{width:88px; height:88px; border-radius:50%; display:grid; place-items:center; text-align:center; position:relative;
  background:radial-gradient(circle at 50% 40%, var(--ink3), var(--ink1)); border:1px solid var(--rule2); box-shadow:0 0 40px rgba(0,0,0,.5);}
.match-node::before{content:''; position:absolute; inset:-3px; border-radius:50%; background:conic-gradient(from 0deg,var(--btc),var(--gold),var(--azure),var(--btc)); z-index:-1; opacity:.6; filter:blur(2px); animation:spin 9s linear infinite;}
@keyframes spin{to{transform:rotate(360deg);}}
.match-node .ml{font-family:var(--mono); font-size:9px; font-weight:800; letter-spacing:.5px; color:var(--t1); line-height:1.3;}
.match-node .mb{font-weight:800; color:var(--btc); font-size:13px;}
.match-label{font-family:var(--mono); font-size:9.5px; font-weight:600; color:var(--t3); text-align:center; margin-top:12px; max-width:120px; line-height:1.5;}
.match-arrow{font-size:13px; color:var(--t3); margin:8px 0;}

/* invariant strip */
.invariant{margin-top:34px; background:linear-gradient(135deg,rgba(247,147,26,.06),rgba(61,155,224,.05)); border:1px solid var(--rule2); border-radius:18px; padding:26px 28px; display:flex; gap:24px; align-items:center; flex-wrap:wrap;}
.invariant .ibig{font-family:var(--serif); font-style:italic; font-size:clamp(30px,4vw,52px); line-height:1; background:linear-gradient(120deg,var(--ember2),var(--azure2)); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; white-space:nowrap;}
.invariant .itxt{font-size:14.5px; color:var(--t2); line-height:1.6; flex:1; min-width:280px;}
.invariant .itxt b{color:var(--t1); font-weight:600;}

/* ════════════════════════ SIMULATOR (SIGNATURE) ════════════════════════ */
.sim-sec{padding:88px 0; background:linear-gradient(180deg,transparent, rgba(7,12,22,.5) 30%, rgba(7,12,22,.5) 70%, transparent);}
.sim{background:linear-gradient(165deg,var(--ink1),var(--ink0)); border:1px solid var(--rule2); border-radius:24px; overflow:hidden; box-shadow:0 50px 120px rgba(0,0,0,.6);}
.sim-top{padding:22px 28px; border-bottom:1px solid var(--rule); display:flex; align-items:center; justify-content:space-between; gap:16px; flex-wrap:wrap; background:rgba(0,0,0,.25);}
.sim-top .st-title{font-family:var(--mono); font-size:12px; font-weight:800; letter-spacing:1.5px; color:var(--t1);}
.sim-top .st-tag{font-family:var(--mono); font-size:9px; font-weight:600; letter-spacing:1px; color:var(--t3); border:1px solid var(--rule); border-radius:6px; padding:4px 9px;}
.sim-body{display:grid; grid-template-columns:300px 1fr; gap:0;}
.sim-controls{padding:26px; border-right:1px solid var(--rule); background:rgba(0,0,0,.15);}
.ctl{margin-bottom:24px;}
.ctl-lab{display:flex; justify-content:space-between; align-items:baseline; margin-bottom:10px;}
.ctl-lab .cl{font-family:var(--mono); font-size:10px; font-weight:700; letter-spacing:1px; color:var(--t2); text-transform:uppercase;}
.ctl-lab .cv{font-family:var(--mono); font-size:17px; font-weight:800; color:var(--t1);}
.ctl-lab .cv.warm{color:var(--btc);} .ctl-lab .cv.cool{color:var(--azure);}
.rng{-webkit-appearance:none; appearance:none; width:100%; height:8px; border-radius:5px; background:var(--ink3); outline:none; cursor:pointer;}
.rng::-webkit-slider-thumb{-webkit-appearance:none; width:24px; height:24px; border-radius:50%; cursor:pointer; background:radial-gradient(circle at 35% 30%,#fff,var(--ember2)); border:3px solid var(--btc); box-shadow:0 2px 12px rgba(247,147,26,.55);}
.rng::-moz-range-thumb{width:24px; height:24px; border-radius:50%; cursor:pointer; background:radial-gradient(circle at 35% 30%,#fff,var(--ember2)); border:3px solid var(--btc); box-shadow:0 2px 12px rgba(247,147,26,.55);}
.rng.cool::-webkit-slider-thumb{background:radial-gradient(circle at 35% 30%,#fff,var(--azure2)); border-color:var(--azure); box-shadow:0 2px 12px rgba(61,155,224,.55);}
.rng.cool::-moz-range-thumb{background:radial-gradient(circle at 35% 30%,#fff,var(--azure2)); border-color:var(--azure); box-shadow:0 2px 12px rgba(61,155,224,.55);}
.ctl-hint{font-size:11px; color:var(--t3); margin-top:9px; line-height:1.5;}
.preset-row{display:flex; gap:7px; margin-top:6px;}
.preset{flex:1; font-family:var(--mono); font-size:9.5px; font-weight:700; padding:7px 4px; border-radius:8px; border:1px solid var(--rule); background:var(--ink2); color:var(--t2); cursor:pointer; transition:all .18s; text-align:center;}
.preset:hover{border-color:var(--rule3); color:var(--t1);}
.preset.on{border-color:var(--btcb); background:var(--btcd); color:var(--btc);}

.sim-view{padding:26px;}
.sim-axis-wrap{margin-bottom:24px;}
.axis-head{display:flex; justify-content:space-between; align-items:baseline; margin-bottom:12px;}
.axis-head .ah-l{font-family:var(--mono); font-size:10px; font-weight:700; letter-spacing:1px; color:var(--t2); text-transform:uppercase;}
.axis-head .ah-v{font-family:var(--mono); font-size:13px; font-weight:800;}
.axis{position:relative; height:70px;}
.axis-track{position:absolute; top:30px; left:0; right:0; height:6px; border-radius:3px; background:linear-gradient(90deg,var(--danger),var(--ink4) 50%,var(--ok));}
.axis-liq{position:absolute; top:20px; height:26px; left:9%; width:1px;}
.axis-liq .lq-line{width:2px; height:100%; background:repeating-linear-gradient(var(--danger),var(--danger) 3px,transparent 3px,transparent 6px); opacity:.5; margin:0 auto;}
.axis-liq .lq-lab{position:absolute; top:-20px; left:50%; transform:translateX(-50%); white-space:nowrap; font-family:var(--mono); font-size:8.5px; font-weight:700; color:var(--danger); text-decoration:line-through; text-decoration-thickness:1.5px;}
.axis-entry{position:absolute; top:24px; left:50%; transform:translateX(-50%); height:18px; width:2px; background:var(--t2);}
.axis-entry .en-lab{position:absolute; top:-18px; left:50%; transform:translateX(-50%); font-family:var(--mono); font-size:8.5px; font-weight:700; color:var(--t2); white-space:nowrap;}
.axis-thumb{position:absolute; top:18px; width:20px; height:20px; border-radius:50%; transform:translateX(-50%); background:radial-gradient(circle at 35% 30%,#fff,var(--ember2)); border:3px solid var(--btc); box-shadow:0 0 16px rgba(247,147,26,.6); transition:left .05s; cursor:grab; z-index:5;}
.axis-input{position:absolute; top:14px; left:0; width:100%; height:30px; opacity:0; cursor:ew-resize; -webkit-appearance:none; appearance:none; background:transparent; z-index:6; margin:0;}
.axis-input::-webkit-slider-thumb{-webkit-appearance:none; width:34px; height:34px;}
.axis-scale{display:flex; justify-content:space-between; margin-top:46px; font-family:var(--mono); font-size:9px; color:var(--t4);}

.outcomes{display:grid; grid-template-columns:1fr 1fr; gap:16px;}
.oc{border-radius:16px; padding:20px; position:relative; overflow:hidden;}
.oc.short{background:linear-gradient(160deg,rgba(247,147,26,.08),var(--ink1)); border:1px solid var(--btcb);}
.oc.long{background:linear-gradient(200deg,rgba(61,155,224,.08),var(--ink1)); border:1px solid var(--azureb);}
.oc-tag{font-family:var(--mono); font-size:9px; font-weight:800; letter-spacing:1px; margin-bottom:14px; display:flex; align-items:center; gap:7px;}
.oc.short .oc-tag{color:var(--btc);} .oc.long .oc-tag{color:var(--azure2);}
.oc-tag .od{width:7px; height:7px; border-radius:2px;}
.oc.short .oc-tag .od{background:var(--btc);} .oc.long .oc-tag .od{background:var(--azure);}
.oc-pnl{font-family:var(--mono); font-size:30px; font-weight:800; letter-spacing:-1px; line-height:1; margin-bottom:4px;}
.oc-pnl-sub{font-size:11px; color:var(--t3); margin-bottom:16px;}
.oc-rows{display:flex; flex-direction:column; gap:9px;}
.oc-row{display:flex; justify-content:space-between; align-items:baseline; font-size:12px; padding-bottom:8px; border-bottom:1px solid var(--rule);}
.oc-row:last-child{border-bottom:none; padding-bottom:0;}
.oc-row .ork{color:var(--t3);}
.oc-row .orv{font-family:var(--mono); font-weight:700; color:var(--t1);}
.oc-row .orv.fixed{color:var(--gold);}
.oc-row .orv.pos{color:var(--ok);} .oc-row .orv.neg{color:var(--danger);}
.oc-note{margin-top:14px; padding:10px 12px; border-radius:9px; font-size:11px; line-height:1.5; display:flex; gap:8px; align-items:flex-start;}
.oc.short .oc-note{background:var(--btcd); color:var(--ember2);}
.oc.long .oc-note{background:var(--azured); color:var(--azure2);}

.path-strip{margin-top:18px; background:var(--ink0); border:1px solid var(--rule); border-radius:14px; padding:16px 20px; display:flex; align-items:center; gap:18px; flex-wrap:wrap;}
.path-toggle{display:flex; background:var(--ink2); border:1px solid var(--rule); border-radius:10px; padding:3px;}
.path-toggle button{font-family:var(--mono); font-size:10px; font-weight:700; padding:8px 14px; border-radius:7px; border:none; background:transparent; color:var(--t3); cursor:pointer; transition:all .18s;}
.path-toggle button.on{background:var(--ink4); color:var(--t1);}
.path-desc{flex:1; min-width:240px; font-size:12.5px; color:var(--t2); line-height:1.5;}
.path-desc b{color:var(--t1);}
.sim-foot{padding:14px 28px; border-top:1px solid var(--rule); font-size:10.5px; color:var(--t3); line-height:1.5; background:rgba(0,0,0,.2);}

/* ════════════════════════ LIFECYCLE ════════════════════════ */
.life{display:grid; grid-template-columns:repeat(6,1fr); gap:10px; margin-top:8px;}
.life-step{background:var(--ink1); border:1px solid var(--rule); border-radius:14px; padding:18px 14px; position:relative; transition:border-color .25s, transform .25s;}
.life-step:hover{border-color:var(--btcb); transform:translateY(-3px);}
.life-step .ls-n{font-family:var(--mono); font-size:10px; font-weight:800; color:var(--btc); margin-bottom:10px;}
.life-step h4{font-size:13px; font-weight:700; margin-bottom:5px; letter-spacing:-.2px;}
.life-step p{font-size:11px; color:var(--t3); line-height:1.5;}

/* ════════════════════════ ARCHITECTURE ════════════════════════ */
.arch-grid{display:grid; grid-template-columns:1.15fr .85fr; gap:22px;}
.arch-main{display:grid; grid-template-columns:1fr 1fr; gap:14px;}
.feat{background:var(--ink1); border:1px solid var(--rule); border-radius:16px; padding:22px; transition:border-color .25s, transform .25s;}
.feat:hover{border-color:var(--rule3); transform:translateY(-2px);}
.feat .fi{width:38px; height:38px; border-radius:10px; display:grid; place-items:center; font-size:18px; margin-bottom:14px; background:var(--ink3); border:1px solid var(--rule2);}
.feat h4{font-size:15px; font-weight:700; margin-bottom:7px; letter-spacing:-.3px;}
.feat p{font-size:12.5px; color:var(--t2); line-height:1.58;}
.feat p b{color:var(--t1); font-weight:600;}

/* quorum card */
.quorum{background:linear-gradient(165deg,var(--ink2),var(--ink0)); border:1px solid var(--rule2); border-radius:18px; padding:24px; height:100%;}
.quorum h4{font-size:15px; font-weight:700; margin-bottom:5px;}
.quorum .qsub{font-size:12px; color:var(--t3); margin-bottom:20px; line-height:1.5;}
.qkeys{display:flex; flex-direction:column; gap:9px;}
.qkey{display:flex; align-items:center; gap:12px; padding:11px 13px; border-radius:11px; background:var(--ink1); border:1px solid var(--rule); font-size:12px;}
.qkey .qk-dot{width:9px; height:9px; border-radius:3px; flex-shrink:0; background:var(--t3);}
.qkey.operator{border-color:var(--btcb); background:var(--btcd);}
.qkey.operator .qk-dot{background:var(--btc);}
.qkey .qk-name{flex:1; color:var(--t1); font-weight:500;}
.qkey .qk-tag{font-family:var(--mono); font-size:8.5px; font-weight:700; color:var(--t3); letter-spacing:.5px;}
.qkey.operator .qk-tag{color:var(--btc);}
.quorum .qnote{margin-top:18px; padding:14px; border-radius:11px; background:rgba(43,212,106,.06); border:1px solid var(--okb); font-size:12px; color:var(--t2); line-height:1.55;}
.quorum .qnote b{color:var(--ok); font-weight:600;}

/* ════════════════════════ PRICING ════════════════════════ */
.price-grid{display:grid; grid-template-columns:.9fr 1.1fr; gap:24px; align-items:center;}
.price-card{background:linear-gradient(165deg,var(--ink1),var(--ink0)); border:1px solid var(--goldb); border-radius:20px; padding:28px; position:relative; overflow:hidden;}
.price-card::before{content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,var(--gold),var(--btc));}
.price-hero{font-family:var(--mono); font-size:clamp(40px,6vw,62px); font-weight:800; line-height:1; letter-spacing:-2px; background:linear-gradient(135deg,var(--ember2),var(--gold)); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;}
.price-hero-lab{font-size:13px; color:var(--t3); margin-top:6px; margin-bottom:22px;}
.bench{display:flex; flex-direction:column; gap:12px;}
.bench-row{display:flex; align-items:center; gap:12px;}
.bench-row .br-n{font-family:var(--mono); font-size:11px; font-weight:700; color:var(--t2); width:96px;}
.bench-bar{flex:1; height:8px; border-radius:4px; background:var(--ink3); overflow:hidden;}
.bench-bar i{display:block; height:100%; border-radius:4px; background:linear-gradient(90deg,var(--gold2,#A88A35),var(--gold));}
.bench-row .br-w{font-family:var(--mono); font-size:11px; font-weight:800; color:var(--gold); width:40px; text-align:right;}
.curve-wrap{background:var(--ink1); border:1px solid var(--rule); border-radius:18px; padding:24px;}
.curve-head{display:flex; justify-content:space-between; align-items:baseline; margin-bottom:6px;}
.curve-head .ch-t{font-family:var(--mono); font-size:11px; font-weight:700; letter-spacing:1px; color:var(--t2); text-transform:uppercase;}
.curve-head .ch-tag{font-family:var(--mono); font-size:9px; color:var(--gold); border:1px solid var(--goldb); padding:3px 8px; border-radius:5px;}
.curve-cap{font-size:11px; color:var(--t3); margin-bottom:10px;}

/* ════════════════════════ TIERS ════════════════════════ */
.tiers{display:grid; grid-template-columns:repeat(3,1fr); gap:18px;}
.tier{background:var(--ink1); border:1px solid var(--rule); border-radius:18px; padding:26px; position:relative; overflow:hidden; transition:border-color .25s, transform .25s;}
.tier:hover{transform:translateY(-4px);}
.tier.t1:hover{border-color:var(--okb);} .tier.t2:hover{border-color:var(--azureb);} .tier.t3:hover{border-color:var(--btcb);}
.tier .t-phase{position:absolute; top:18px; right:18px; font-family:var(--mono); font-size:9px; font-weight:700; padding:4px 9px; border-radius:6px; letter-spacing:.5px; border:1px solid var(--rule);}
.tier.t1 .t-phase{color:var(--ok); border-color:var(--okb);} .tier.t2 .t-phase{color:var(--azure2); border-color:var(--azureb);} .tier.t3 .t-phase{color:var(--btc); border-color:var(--btcb);}
.tier .t-name{font-size:18px; font-weight:700; margin-bottom:4px; letter-spacing:-.4px; max-width:170px;}
.tier .t-rule{font-family:var(--mono); font-size:10px; color:var(--t3); margin-bottom:22px;}
.tier .t-cap{font-family:var(--mono); font-size:36px; font-weight:800; letter-spacing:-1.5px; line-height:1;}
.tier.t1 .t-cap{color:var(--ok);} .tier.t2 .t-cap{color:var(--azure2);} .tier.t3 .t-cap{color:var(--btc);}
.tier .t-cap-lab{font-size:11px; color:var(--t3); margin-top:4px; margin-bottom:18px;}
.tier .t-gate{font-size:12px; color:var(--t2); line-height:1.55; padding-top:16px; border-top:1px solid var(--rule);}
.tier .t-gate b{color:var(--t1); font-weight:600;}

/* ════════════════════════ TRUST / CREDIBILITY ════════════════════════ */
.trust-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:16px;}
.trust{background:var(--ink1); border:1px solid var(--rule); border-radius:16px; padding:22px; transition:border-color .25s;}
.trust:hover{border-color:var(--rule3);}
.trust .tr-k{font-family:var(--mono); font-size:9.5px; font-weight:700; letter-spacing:1px; color:var(--t3); text-transform:uppercase; margin-bottom:12px;}
.trust .tr-v{font-size:15px; font-weight:700; line-height:1.3; letter-spacing:-.2px; margin-bottom:7px;}
.trust .tr-d{font-size:12px; color:var(--t2); line-height:1.5;}
.counsel-strip{margin-top:24px; display:flex; gap:14px; flex-wrap:wrap; padding:20px 24px; background:var(--ink0); border:1px solid var(--rule); border-radius:16px; align-items:center;}
.counsel-strip .cs-lab{font-family:var(--mono); font-size:10px; font-weight:700; letter-spacing:1px; color:var(--t3); text-transform:uppercase;}
.counsel-strip .cs-item{font-size:12.5px; color:var(--t2);}
.counsel-strip .cs-item b{color:var(--t1); font-weight:600;}
.counsel-strip .cs-sep{width:1px; height:22px; background:var(--rule2);}

/* ════════════════════════ CTA ════════════════════════ */
.cta-sec{padding:96px 0;}
.cta-box{background:linear-gradient(135deg,rgba(247,147,26,.10),rgba(61,155,224,.08)); border:1px solid var(--rule2); border-radius:28px; padding:56px 48px; text-align:center; position:relative; overflow:hidden;}
.cta-box::before{content:''; position:absolute; top:0; left:0; right:0; height:3px; background:linear-gradient(90deg,var(--btc),var(--gold) 50%,var(--azure));}
.cta-box h2{font-size:clamp(28px,4vw,46px); line-height:1.06; letter-spacing:-1px; font-weight:700; margin-bottom:16px;}
.cta-box h2 em{font-family:var(--serif); font-style:italic; font-weight:400; background:linear-gradient(120deg,var(--ember2),var(--azure2)); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent;}
.cta-box p{font-size:16px; color:var(--t2); max-width:560px; margin:0 auto 30px; line-height:1.6;}
.cta-row{display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-bottom:24px;}
.cta-who{display:flex; gap:10px; justify-content:center; flex-wrap:wrap;}
.cta-who span{font-family:var(--mono); font-size:10px; font-weight:600; color:var(--t3); padding:6px 13px; border:1px solid var(--rule); border-radius:100px;}

/* ════════════════════════ FOOTER ════════════════════════ */
footer{border-top:1px solid var(--rule); padding:48px 0 40px; margin-top:20px;}
.foot-top{display:grid; grid-template-columns:1.4fr 1fr 1fr; gap:32px; margin-bottom:36px;}
.foot-brand .brand{margin-bottom:14px;}
.foot-brand p{font-size:12.5px; color:var(--t3); line-height:1.6; max-width:340px;}
.foot-col h5{font-family:var(--mono); font-size:10px; font-weight:700; letter-spacing:1px; color:var(--t3); text-transform:uppercase; margin-bottom:14px;}
.foot-col a{display:block; font-size:13px; color:var(--t2); margin-bottom:10px; transition:color .2s;}
.foot-col a:hover{color:var(--btc);}
.disclaimer{padding:22px 0; border-top:1px solid var(--rule); border-bottom:1px solid var(--rule); margin-bottom:24px;}
.disclaimer p{font-size:11px; color:var(--t4); line-height:1.7; max-width:920px;}
.disclaimer p + p{margin-top:10px;}
.foot-bottom{display:flex; justify-content:space-between; align-items:center; gap:20px; flex-wrap:wrap; font-size:11px; color:var(--t4); font-family:var(--mono);}
.foot-bottom .docref{display:flex; gap:14px; flex-wrap:wrap;}

/* ════════════════════════ HERO — DUAL HEADLINE ════════════════════════ */
.hero h1 .ln1{display:block; color:var(--t1);}
.hero h1 .ln2{font-family:var(--serif); font-style:italic; font-weight:400; letter-spacing:-.5px; background:linear-gradient(110deg,var(--ember2),var(--btc) 45%, var(--azure2)); -webkit-background-clip:text; background-clip:text; -webkit-text-fill-color:transparent; display:block;}
.hero-kicker{display:inline-flex; align-items:center; gap:9px; margin:16px 0 0; font-size:14px; color:var(--t2);}
.hero-kicker .k-dot{width:7px; height:7px; border-radius:2px; background:var(--ok); box-shadow:0 0 8px var(--ok);}
.hero-kicker b{color:var(--t1); font-weight:600;}

/* ════════════════════════ PHONE / DEVICE MOCKUP ════════════════════════ */
.device{width:300px; border-radius:44px; background:linear-gradient(160deg,#12161f,#070a11); padding:11px; position:relative; flex-shrink:0;
  box-shadow:0 50px 110px rgba(0,0,0,.65), inset 0 0 0 1.5px rgba(255,255,255,.06), 0 0 0 1px rgba(0,0,0,.9), 0 0 80px rgba(247,147,26,.05);}
.device.cool{box-shadow:0 50px 110px rgba(0,0,0,.65), inset 0 0 0 1.5px rgba(255,255,255,.06), 0 0 0 1px rgba(0,0,0,.9), 0 0 80px rgba(61,155,224,.06);}
.d-screen{background:radial-gradient(120% 80% at 50% 0%, #0c1322, var(--abyss) 70%); border-radius:34px; overflow:hidden; position:relative; height:618px; display:flex; flex-direction:column;}
.d-notch{position:absolute; top:11px; left:50%; transform:translateX(-50%); width:104px; height:25px; background:#000; border-radius:16px; z-index:30;}
.d-status{display:flex; justify-content:space-between; align-items:center; padding:15px 24px 7px; font-family:var(--mono); font-size:11px; font-weight:700; color:var(--t2); position:relative; z-index:10;}
.d-status .t{font-size:13px; color:var(--t1); font-weight:700;}
.d-body{flex:1; overflow:hidden; padding:8px 15px 14px; display:flex; flex-direction:column; gap:10px;}
.d-top{display:flex; align-items:center; justify-content:space-between;}
.d-title{font-family:var(--serif); font-size:21px; color:var(--t1); line-height:1;}
.d-sub{font-size:10.5px; color:var(--t3); line-height:1.45; margin-top:-2px;}
.d-pill{font-family:var(--mono); font-size:8px; font-weight:700; letter-spacing:.8px; padding:3px 8px; border-radius:100px; border:1px solid var(--rule2); color:var(--t2); background:var(--ink2); white-space:nowrap;}
.d-pill.warm{color:var(--btc); border-color:var(--btcb); background:var(--btcd);}
.d-pill.cool{color:var(--azure2); border-color:var(--azureb); background:var(--azured);}
.d-pill.ok{color:var(--ok); border-color:var(--okb); background:var(--okd);}
.d-role{display:flex; background:var(--ink2); border:1px solid var(--rule); border-radius:100px; padding:3px;}
.d-role span{flex:1; text-align:center; font-family:var(--mono); font-size:9.5px; font-weight:700; padding:8px 4px; border-radius:100px; color:var(--t3); transition:all .2s;}
.d-role span.on-s{background:var(--btc); color:#1a0f00;}
.d-role span.on-l{background:var(--azure); color:#04121f;}
.d-card{background:var(--ink1); border:1px solid var(--rule); border-radius:14px; padding:13px 14px;}
.d-card + .d-card{margin-top:0;}
.d-sec{font-family:var(--mono); font-size:9px; font-weight:700; letter-spacing:1px; color:var(--t3); text-transform:uppercase; margin-bottom:10px;}
.d-row{display:flex; justify-content:space-between; align-items:baseline; font-size:11.5px; margin-bottom:9px;}
.d-row:last-child{margin-bottom:0;}
.d-row .k{color:var(--t2);}
.d-row .v{font-family:var(--mono); font-weight:700; color:var(--t1); font-size:12px;}
.d-row .v.warm{color:var(--btc);} .d-row .v.cool{color:var(--azure2);} .d-row .v.ok{color:var(--ok);}
.d-row .v.big{font-size:14px;}
.d-track{height:5px; border-radius:3px; background:var(--ink3); position:relative; margin:2px 0 12px;}
.d-track i{position:absolute; left:0; top:0; bottom:0; border-radius:3px; background:linear-gradient(90deg,var(--btc2,#D4790D),var(--btc));}
.d-track.cool i{background:linear-gradient(90deg,#2C6FA0,var(--azure));}
.d-track .knob{position:absolute; top:50%; width:15px; height:15px; border-radius:50%; transform:translate(-50%,-50%); background:radial-gradient(circle at 35% 30%,#fff,var(--ember2)); border:2px solid var(--btc); box-shadow:0 1px 5px rgba(0,0,0,.5);}
.d-track.cool .knob{background:radial-gradient(circle at 35% 30%,#fff,var(--azure2)); border-color:var(--azure);}
.d-btn{margin-top:auto; text-align:center; font-family:var(--mono); font-size:11px; font-weight:700; letter-spacing:.4px; padding:13px; border-radius:13px;}
.d-btn.short{background:linear-gradient(135deg,var(--ember),var(--btc)); color:#1a0f00;}
.d-btn.long{background:linear-gradient(135deg,var(--azure2),var(--azure)); color:#04121f;}
.d-btn.ok{background:linear-gradient(135deg,#2bd46a,var(--ok)); color:#04210f;}
.d-stat{display:flex; align-items:center; gap:8px; font-family:var(--mono); font-size:10px; font-weight:700;}
.d-stat .sd{width:8px; height:8px; border-radius:50%;}
.d-stat .sd.warm{background:var(--btc);} .d-stat .sd.ok{background:var(--ok);}
.d-stat .ls{color:var(--t3); font-weight:600;}
.d-guard{display:flex; align-items:center; gap:10px; padding:4px 0; font-size:11px;}
.d-guard .gi{width:24px; height:24px; border-radius:50%; display:grid; place-items:center; font-size:11px; font-weight:800; flex-shrink:0;}
.d-guard .gi.done{background:var(--okd); color:var(--ok);}
.d-guard .gi.wait{background:var(--ink3); color:var(--t3);}
.d-guard .gn{flex:1; color:var(--t2);} .d-guard .gn.done{color:var(--t1);}
.d-guard .gt{font-family:var(--mono); font-size:9px; color:var(--t3);} .d-guard .gt.done{color:var(--ok);}
.d-checkbig{width:74px; height:74px; border-radius:50%; background:var(--okd); display:grid; place-items:center; margin:6px auto 4px; font-size:32px; color:var(--ok); border:1px solid var(--okb);}
.d-confetti{position:absolute; inset:0; pointer-events:none; overflow:hidden;}
.d-conf-bit{position:absolute; width:7px; height:7px; border-radius:2px; opacity:.9;}
.d-note{font-size:10px; color:var(--t3); line-height:1.5;}
.d-note b{color:var(--btc); font-weight:600;}

/* ════════════════════════ PLAIN TERMS ════════════════════════ */
.plain{display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:center;}
.plain-lead h2{font-size:clamp(26px,3.4vw,38px); line-height:1.1; letter-spacing:-.8px; font-weight:700; margin-bottom:16px;}
.plain-lead h2 em{font-family:var(--serif); font-style:italic; font-weight:400; color:var(--btc);}
.plain-lead p{font-size:15.5px; color:var(--t2); line-height:1.65; margin-bottom:14px;}
.plain-lead p b{color:var(--t1); font-weight:600;}
.plain-chart{background:linear-gradient(165deg,var(--ink1),var(--ink0)); border:1px solid var(--rule); border-radius:16px; padding:18px 18px 14px; margin-top:22px;}
.plain-chart .pc-h{display:flex; justify-content:space-between; align-items:baseline; margin-bottom:4px;}
.plain-chart .pc-t{font-family:var(--mono); font-size:10px; font-weight:700; letter-spacing:.8px; color:var(--t2);}
.plain-chart .pc-tick{font-family:var(--mono); font-size:10px; font-weight:700; color:var(--btc);}
.plain-chart .pc-leg{display:flex; gap:14px; flex-wrap:wrap; font-family:var(--mono); font-size:9px; font-weight:600; color:var(--t2); margin-top:8px;}
.plain-chart .pc-leg i{width:12px; height:3px; border-radius:2px; display:inline-block; margin-right:5px; vertical-align:middle;}

.use-card{border-radius:18px; padding:24px; margin-bottom:16px; position:relative; overflow:hidden;}
.use-card:last-child{margin-bottom:0;}
.use-card.short{background:linear-gradient(160deg,rgba(247,147,26,.07),var(--ink1)); border:1px solid var(--btcb);}
.use-card.long{background:linear-gradient(200deg,rgba(61,155,224,.07),var(--ink1)); border:1px solid var(--azureb);}
.use-head{display:flex; align-items:center; gap:11px; margin-bottom:14px;}
.use-ic{width:38px; height:38px; border-radius:11px; display:grid; place-items:center; font-size:18px; flex-shrink:0;}
.use-card.short .use-ic{background:var(--btcd); color:var(--btc); border:1px solid var(--btcb);}
.use-card.long .use-ic{background:var(--azured); color:var(--azure2); border:1px solid var(--azureb);}
.use-head .uh-t{font-size:17px; font-weight:700; letter-spacing:-.3px;}
.use-head .uh-s{font-family:var(--mono); font-size:9.5px; font-weight:600; color:var(--t3); letter-spacing:.5px; margin-top:2px;}
.use-line{display:flex; gap:10px; font-size:13px; color:var(--t2); line-height:1.5; margin-bottom:10px;}
.use-line:last-child{margin-bottom:0;}
.use-line .ul-k{font-family:var(--mono); font-size:8.5px; font-weight:700; letter-spacing:.5px; color:var(--t3); width:74px; flex-shrink:0; padding-top:3px;}
.use-line .ul-v{flex:1;} .use-line .ul-v b{color:var(--t1); font-weight:600;}
.use-card.short .ul-k{color:var(--btc);} .use-card.long .ul-k{color:var(--azure2);}
.use-tradeoff{margin-top:12px; padding-top:12px; border-top:1px dashed var(--rule2); font-size:12px; color:var(--t3); line-height:1.5;}
.use-tradeoff b{color:var(--warn); font-weight:600;}

/* ════════════════════════ MOBILE SHOWCASE ════════════════════════ */
.mob-sec{padding:88px 0; background:linear-gradient(180deg,transparent, rgba(7,12,22,.55) 30%, rgba(7,12,22,.55) 70%, transparent);}
.mob-intro{display:grid; grid-template-columns:1fr 1fr; gap:40px; align-items:end; margin-bottom:48px;}
.mob-intro .mi-r{display:flex; flex-direction:column; gap:14px;}
.mob-feat{display:flex; gap:13px; align-items:flex-start;}
.mob-feat .mf-ic{width:34px; height:34px; border-radius:10px; display:grid; place-items:center; font-size:16px; flex-shrink:0; background:var(--ink2); border:1px solid var(--rule2);}
.mob-feat .mf-t{font-size:14px; font-weight:700; margin-bottom:2px;}
.mob-feat .mf-d{font-size:12.5px; color:var(--t2); line-height:1.5;}
.phones{display:flex; gap:24px; justify-content:center; align-items:flex-start; flex-wrap:wrap;}
.phone-col{display:flex; flex-direction:column; align-items:center; gap:14px; max-width:300px;}
.phone-cap{text-align:center;}
.phone-cap .pc-step{font-family:var(--mono); font-size:9px; font-weight:800; letter-spacing:1.5px; color:var(--t3); margin-bottom:6px;}
.phone-cap .pc-ttl{font-size:15px; font-weight:700; letter-spacing:-.3px; margin-bottom:5px;}
.phone-cap .pc-ttl .warm{color:var(--btc);} .phone-cap .pc-ttl .cool{color:var(--azure2);}
.phone-cap .pc-dsc{font-size:12px; color:var(--t3); line-height:1.5; max-width:260px;}
.mob-foot{text-align:center; margin-top:40px; font-size:12px; color:var(--t3); font-family:var(--mono);}
.mob-foot b{color:var(--t2);}

/* ════════════════════════ LEARN / COMPARE ════════════════════════ */
.cmp-toggle{display:inline-flex; background:var(--ink2); border:1px solid var(--rule); border-radius:100px; padding:4px; margin-bottom:26px;}
.cmp-toggle button{font-family:var(--mono); font-size:11px; font-weight:700; letter-spacing:.4px; padding:11px 22px; border-radius:100px; border:none; background:transparent; color:var(--t3); cursor:pointer; transition:all .2s;}
.cmp-toggle button.on-s{background:var(--btc); color:#1a0f00;}
.cmp-toggle button.on-l{background:var(--azure); color:#04121f;}
.cmp-panel{display:none;}
.cmp-panel.active{display:block; animation:fadeUp .45s ease;}
@keyframes fadeUp{from{opacity:0; transform:translateY(10px);} to{opacity:1; transform:none;}}
.cmp-intro{font-size:15.5px; color:var(--t2); line-height:1.62; max-width:720px; margin-bottom:24px;}
.cmp-intro b{color:var(--t1); font-weight:600;}
.cmp-intro .warm{color:var(--btc);} .cmp-intro .cool{color:var(--azure2);}

.cmp-scroll{overflow-x:auto; border:1px solid var(--rule); border-radius:18px; background:var(--ink0); -webkit-overflow-scrolling:touch;}
.cmp-scroll::-webkit-scrollbar{height:8px;} .cmp-scroll::-webkit-scrollbar-thumb{background:var(--ink4); border-radius:4px;}
.cmp-table{width:100%; border-collapse:separate; border-spacing:0; min-width:840px;}
.cmp-table th,.cmp-table td{text-align:left; padding:13px 15px; vertical-align:top; font-size:12.5px; line-height:1.45; border-bottom:1px solid var(--rule);}
.cmp-table thead th{font-family:var(--mono); font-size:10px; font-weight:700; letter-spacing:.4px; color:var(--t2); text-transform:uppercase; background:var(--ink1); border-bottom:1px solid var(--rule2); white-space:nowrap;}
.cmp-table tbody th{font-family:var(--mono); font-size:9px; font-weight:700; letter-spacing:.5px; color:var(--t3); text-transform:uppercase; white-space:nowrap; position:sticky; left:0; background:var(--ink0); width:118px; z-index:2;}
.cmp-table td b{color:var(--t1); font-weight:600;}
.cmp-table td .good{color:var(--ok); font-weight:600;}
.cmp-table td .bad{color:var(--danger); font-weight:600;}
.cmp-table td .warn{color:var(--warn); font-weight:600;}
.cmp-table td .muted{color:var(--t3);}
.cmp-table .lscol{background:rgba(247,147,26,.07);}
.cmp-table thead th.lscol{color:var(--btc); background:rgba(247,147,26,.12); border-bottom-color:var(--btcb);}
.cmp-panel.long .cmp-table .lscol{background:rgba(61,155,224,.07);}
.cmp-panel.long .cmp-table thead th.lscol{color:var(--azure2); background:rgba(61,155,224,.12); border-bottom-color:var(--azureb);}
.cmp-table tbody tr:last-child td, .cmp-table tbody tr:last-child th{border-bottom:none;}
.cmp-table thead th.lscol .tinytag{display:block; font-size:8px; color:var(--t3); font-weight:600; margin-top:3px; letter-spacing:.3px;}
.cmp-hint{font-family:var(--mono); font-size:9.5px; color:var(--t4); margin-top:10px; text-align:right;}

.deepdive{display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:34px;}
.dd-card{background:var(--ink1); border:1px solid var(--rule); border-radius:16px; padding:22px;}
.dd-card .dd-k{font-family:var(--mono); font-size:9px; font-weight:700; letter-spacing:1px; color:var(--t3); text-transform:uppercase; margin-bottom:11px;}
.dd-card h4{font-size:15px; font-weight:700; letter-spacing:-.3px; margin-bottom:8px; line-height:1.25;}
.dd-card p{font-size:12.5px; color:var(--t2); line-height:1.55;}
.dd-card p b{color:var(--t1); font-weight:600;}
.dd-card .dd-stat{font-family:var(--mono); font-size:11px; font-weight:700; margin-top:12px; padding-top:11px; border-top:1px solid var(--rule); color:var(--t2);}
.dd-card .dd-stat .warm{color:var(--btc);} .dd-card .dd-stat .cool{color:var(--azure2);} .dd-card .dd-stat .ok{color:var(--ok);}
.cmp-foot{font-size:11px; color:var(--t4); line-height:1.6; margin-top:26px; max-width:880px;}

/* ════════════════════════ RESPONSIVE ════════════════════════ */
@media(max-width:980px){
  .hero-grid{grid-template-columns:1fr; gap:40px;}
  .arch-grid{grid-template-columns:1fr;}
  .price-grid{grid-template-columns:1fr;}
  .sim-body{grid-template-columns:1fr;}
  .sim-controls{border-right:none; border-bottom:1px solid var(--rule);}
  .life{grid-template-columns:repeat(3,1fr);}
  .trust-grid{grid-template-columns:repeat(2,1fr);}
  .foot-top{grid-template-columns:1fr 1fr;}
  .plain{grid-template-columns:1fr; gap:32px;}
  .mob-intro{grid-template-columns:1fr; gap:26px; align-items:start;}
  .deepdive{grid-template-columns:1fr;}
}
@media(max-width:760px){ .cmp-hint{display:block;} }
@media(max-width:760px){
  .nav-links{display:none;}
  .nav-cta{display:none;}
  .nav-burger{display:flex;}
  .prob-grid{grid-template-columns:1fr;}
  .sides-flow{grid-template-columns:1fr; gap:14px;}
  .match-col{flex-direction:row; gap:16px; padding:8px 0;}
  .match-node{width:70px; height:70px;}
  .tiers{grid-template-columns:1fr;}
  .outcomes{grid-template-columns:1fr;}
  .life{grid-template-columns:repeat(2,1fr);}
  .arch-main{grid-template-columns:1fr;}
  .hero-meta{gap:18px;}
  .cta-box{padding:40px 24px;}
}
@media(max-width:480px){
  .wrap{padding:0 18px;} .nav-inner{padding:13px 18px;}
  .foot-top{grid-template-columns:1fr;} .trust-grid{grid-template-columns:1fr;}
  .life{grid-template-columns:1fr;}
  .device{width:280px;}
}

/* ════════════════ PRODUCTION ADDITIONS ════════════════ */

/* Skip link */
.skip{position:absolute;left:-9999px;top:0;z-index:200;background:var(--btc);
  color:#0a0602;padding:12px 20px;font:700 13px/1 var(--sans);border-radius:0 0 8px 0;}
.skip:focus{left:0;}

/* Brand lockup — Loan-Swap™ leads, ₿Lending demoted to an operator credit */
.brand .tm{font-size:.5em;font-weight:600;vertical-align:super;letter-spacing:0;opacity:.75;}
.brand .sub{display:block;font-family:var(--mono);font-size:9px;font-weight:600;
  letter-spacing:.18em;color:var(--t3);margin-top:1px;}

/* "ILLUSTRATIVE" chip — used wherever a number could be mistaken for a live quote */
.illus-chip{display:inline-block;font-family:var(--mono);font-size:8.5px;font-weight:800;
  letter-spacing:.13em;color:var(--warn);background:rgba(232,160,32,.12);
  border:1px solid rgba(232,160,32,.34);border-radius:4px;padding:2px 6px;
  margin-right:8px;vertical-align:middle;text-transform:uppercase;}

/* Hero stat row: was a wrapping flexbox that orphaned the 4th stat onto its own
   line at common desktop widths. A fixed 4-up ruled grid reads as a fact sheet
   and never breaks mid-row. */
.hero-meta{display:grid;grid-template-columns:repeat(4,1fr);gap:0;padding-top:18px;}
.hero-meta .hm{padding-left:18px;border-left:1px solid var(--rule);}
.hero-meta .hm:first-child{padding-left:0;border-left:0;}
.hero-meta .hm .k{font-size:10.5px;line-height:1.35;}
@media(max-width:600px){
  .hero-meta{grid-template-columns:repeat(2,1fr);row-gap:20px;}
  .hero-meta .hm:nth-child(3){padding-left:0;border-left:0;}
}

/* CTA no-PII note */
.cta-note{max-width:62ch;margin:14px auto 0;font-size:12.5px;line-height:1.55;
  color:var(--t3);}

/* Mobile drawer — full-screen, carries its own brand + close control so the
   user is never stranded with no visible way out. */
.mmenu{position:fixed;inset:0;z-index:130;background:rgba(4,7,14,.985);
  backdrop-filter:blur(22px);-webkit-backdrop-filter:blur(22px);
  display:flex;flex-direction:column;align-items:stretch;gap:2px;
  padding:0 20px 32px;overflow-y:auto;overscroll-behavior:contain;}
.mmenu[hidden]{display:none;}
.mm-top{display:flex;align-items:center;justify-content:space-between;
  height:62px;flex:0 0 auto;margin-bottom:auto;padding-bottom:4px;}
.mm-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:15px;
  letter-spacing:-.2px;}
.mm-brand .sigil{width:30px;height:30px;border-radius:8px;display:grid;
  place-items:center;font-weight:800;font-size:17px;color:#1a0f00;
  background:radial-gradient(circle at 35% 28%,var(--ember2),var(--btc) 70%);
  box-shadow:0 4px 16px rgba(247,147,26,.4),inset 0 0 0 1px rgba(255,255,255,.25);}
.mm-brand b{color:var(--btc);font-weight:800;}
.mm-brand .tm{font-size:.5em;font-weight:600;vertical-align:super;opacity:.75;}
.mm-close{background:var(--ink2);border:1px solid var(--rule2);color:var(--t1);
  width:38px;height:38px;border-radius:10px;font-size:15px;line-height:1;
  cursor:pointer;display:grid;place-items:center;}
.mm-close:hover{background:var(--ink3);border-color:var(--rule3);}
.mmenu a{font-family:var(--sans);font-size:21px;font-weight:600;letter-spacing:-.4px;
  color:var(--t1);padding:14px 20px;border-radius:11px;
  border:1px solid transparent;display:block;}
.mmenu a:hover,.mmenu a:focus-visible{background:var(--ink2);border-color:var(--rule2);}
.mmenu .mm-cta{margin:16px 0 auto;background:var(--btc);color:#0a0602;font-weight:800;
  text-align:center;font-size:18px;}
body.menu-open .nav{opacity:0;pointer-events:none;}
@media(min-width:861px){.mmenu{display:none!important;}}

/* Print — a counterparty or regulator will print this page */
@media print{
  body::before,.nav,.mmenu,.skip,.nav-cta{display:none!important;}
  body{background:#fff;color:#111;}
  .sec,.hero{page-break-inside:avoid;}
  a[href^="http"]::after{content:" (" attr(href) ")";font-size:9px;color:#555;}
}