/* ============================================================
   Ledger Live Desktop — independent guide
   Hand-written stylesheet · dark "vault" theme
   ============================================================ */

:root{
  --ink:#05070c;
  --ink-2:#080c14;
  --ink-3:#0b1119;
  --surface:rgba(255,255,255,.035);
  --surface-2:rgba(255,255,255,.055);
  --line:rgba(255,255,255,.09);
  --line-soft:rgba(255,255,255,.055);
  --text:#e8eef8;
  --muted:#96a3ba;
  --mint:#35e0c4;
  --mint-dim:rgba(53,224,196,.14);
  --peri:#8ba4ff;
  --peri-dim:rgba(139,164,255,.14);
  --danger:#ff7a84;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 24px 60px -30px rgba(0,0,0,.9);
  --font-head:"Sora",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-body:"Inter",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}

html{
  scroll-behavior:smooth;
  scroll-padding-top:96px;
  -webkit-text-size-adjust:100%;
}

body{
  margin:0;
  background:var(--ink);
  color:var(--text);
  font-family:var(--font-body);
  font-size:16.5px;
  line-height:1.68;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background:
    radial-gradient(900px 520px at 78% -8%,rgba(53,224,196,.10),transparent 60%),
    radial-gradient(760px 520px at 6% 12%,rgba(139,164,255,.10),transparent 62%);
}

h1,h2,h3,h4{font-family:var(--font-head);line-height:1.18;margin:0;letter-spacing:-.02em}
p{margin:0}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
img,svg{display:block;max-width:100%}
[hidden]{display:none !important}
button{font:inherit;color:inherit}

.wrap{width:100%;max-width:1160px;margin:0 auto;padding:0 22px;position:relative;z-index:1}
.narrow{max-width:820px}

.skip{
  position:absolute;left:-9999px;top:0;z-index:100;
  background:var(--mint);color:#04211d;padding:10px 16px;border-radius:0 0 10px 0;font-weight:600;
}
.skip:focus{left:0}

/* ---------- ticker ---------- */
.ticker{
  position:relative;z-index:45;
  display:flex;align-items:center;justify-content:center;gap:10px;
  padding:9px 18px;
  font-size:12.6px;letter-spacing:.02em;color:#b9c6da;
  background:linear-gradient(90deg,rgba(53,224,196,.10),rgba(139,164,255,.10));
  border-bottom:1px solid var(--line-soft);
  text-align:center;
}
.ticker-dot{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px var(--mint-dim);flex:none}

/* ---------- nav ---------- */
.nav{
  position:sticky;top:0;z-index:40;
  backdrop-filter:blur(14px);
  background:rgba(5,7,12,.78);
  border-bottom:1px solid transparent;
  transition:border-color .25s ease,background .25s ease;
}
.nav.scrolled{border-bottom-color:var(--line);background:rgba(5,7,12,.92)}

.nav-inner{display:flex;align-items:center;gap:22px;min-height:74px}

.brand{display:flex;align-items:center;gap:11px;flex:none}
.brand-mark{display:block;filter:drop-shadow(0 6px 18px rgba(53,224,196,.18))}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-family:var(--font-head);font-size:15.5px;font-weight:600}
.brand-text em{font-style:normal;font-size:11.4px;letter-spacing:.10em;text-transform:uppercase;color:var(--muted)}

.nav-links{display:flex;gap:4px;margin-left:auto}
.nav-links a{
  padding:9px 13px;border-radius:10px;color:#c3cfe1;font-size:14.6px;
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:#fff;background:var(--surface-2)}
.nav-cta{flex:none}

.burger{
  display:none;width:42px;height:42px;border-radius:11px;
  border:1px solid var(--line);background:var(--surface);
  padding:0;place-items:center;gap:5px;cursor:pointer;
}
.burger span{display:block;width:17px;height:1.8px;background:var(--text);border-radius:2px;margin:2.6px auto}

.mobile-menu{
  display:flex;flex-direction:column;gap:2px;
  padding:8px 22px 18px;border-top:1px solid var(--line-soft);
  background:rgba(5,7,12,.97);
}
.mobile-menu a{padding:12px 10px;border-radius:10px;color:#cfd9e8}
.mobile-menu a:hover{background:var(--surface-2)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 20px;border-radius:13px;border:1px solid transparent;
  font-size:14.8px;font-weight:600;font-family:var(--font-head);
  cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:linear-gradient(135deg,var(--mint),#57f0d2);
  color:#03231e;
  box-shadow:0 14px 34px -16px rgba(53,224,196,.75);
}
.btn-primary:hover{box-shadow:0 18px 40px -14px rgba(53,224,196,.85);transform:translateY(-1px)}
.btn-ghost{
  background:var(--surface);border-color:var(--line);color:var(--text);
}
.btn-ghost:hover{background:var(--surface-2);border-color:rgba(255,255,255,.18)}
.btn:focus-visible{outline:2px solid var(--mint);outline-offset:3px}

/* ---------- hero ---------- */
.hero{position:relative;padding:78px 0 92px;overflow:hidden}
.hero-glow{
  position:absolute;inset:0;z-index:0;pointer-events:none;
  background:
    radial-gradient(620px 420px at 74% 34%,rgba(53,224,196,.16),transparent 66%),
    radial-gradient(520px 380px at 20% 8%,rgba(139,164,255,.14),transparent 68%);
}
.hero-grid{display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center}

.pill{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface);
  font-size:12.8px;letter-spacing:.03em;color:#c8d4e6;
}
.pulse{width:7px;height:7px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 0 rgba(53,224,196,.55);animation:pulse 2.4s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(53,224,196,.55)}
  70%{box-shadow:0 0 0 11px rgba(53,224,196,0)}
  100%{box-shadow:0 0 0 0 rgba(53,224,196,0)}
}

.hero h1{
  font-size:clamp(36px,5.2vw,60px);
  font-weight:700;margin:22px 0 20px;
}
.grad{
  background:linear-gradient(105deg,var(--mint) 8%,#9fe9ff 52%,var(--peri) 96%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.lead{font-size:17.6px;color:#c1cde0;max-width:56ch}

.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin:30px 0 26px}

.chips{display:flex;flex-wrap:wrap;gap:9px}
.chips li{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 13px;border-radius:999px;
  border:1px solid var(--line-soft);background:rgba(255,255,255,.025);
  font-size:13px;color:#a9b6cc;
}
.chips li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--mint);opacity:.9}

/* hero art */
.hero-art{position:relative;display:flex;justify-content:center;align-items:center;min-height:420px}
.art-device{position:relative;z-index:2;animation:float 7s ease-in-out infinite}
@keyframes float{0%,100%{transform:translateY(-8px)}50%{transform:translateY(8px)}}

.art-card{
  position:absolute;z-index:3;
  background:linear-gradient(160deg,rgba(19,26,38,.96),rgba(11,16,24,.96));
  border:1px solid var(--line);border-radius:15px;
  padding:13px 16px;box-shadow:var(--shadow);
  backdrop-filter:blur(8px);
}
.art-balance{top:8px;left:-6px;width:206px}
.art-label{display:block;font-size:11.4px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.art-value{display:block;font-family:var(--font-head);font-size:15px;font-weight:600;margin-top:3px}
.spark{height:44px;margin-top:8px;width:100%}

.art-verify{
  bottom:14px;right:-8px;display:flex;align-items:center;gap:11px;padding:12px 15px;
}
.art-check{
  width:28px;height:28px;border-radius:9px;flex:none;
  background:linear-gradient(135deg,var(--mint),#63f2d6);
  display:grid;place-items:center;
}
.art-verify strong{display:block;font-size:13.4px;font-family:var(--font-head)}
.art-verify span{font-size:12.2px;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:88px 0;position:relative}
.section.alt{background:linear-gradient(180deg,rgba(255,255,255,.018),rgba(255,255,255,0));border-block:1px solid var(--line-soft)}

.head{max-width:720px;margin-bottom:46px}
.eyebrow{
  display:inline-block;font-size:11.8px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--mint);margin-bottom:14px;font-weight:600;
}
.head h2{font-size:clamp(26px,3.4vw,38px);font-weight:600;margin-bottom:14px}
.sub{color:var(--muted);font-size:16.4px}

/* ---------- cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card{
  background:linear-gradient(170deg,var(--surface),rgba(255,255,255,.012));
  border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 26px;transition:transform .22s ease,border-color .22s ease,background .22s ease;
}
.card:hover{transform:translateY(-4px);border-color:rgba(53,224,196,.30);background:linear-gradient(170deg,rgba(53,224,196,.06),rgba(255,255,255,.012))}
.ico{
  display:grid;place-items:center;width:42px;height:42px;border-radius:12px;
  background:var(--mint-dim);border:1px solid rgba(53,224,196,.22);
  color:var(--mint);margin-bottom:18px;
}
.card h3{font-size:18.4px;font-weight:600;margin-bottom:10px}
.card p{color:var(--muted);font-size:15.4px}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;counter-reset:s}
.step{
  position:relative;
  background:linear-gradient(170deg,rgba(255,255,255,.04),rgba(255,255,255,.012));
  border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px 26px;
  transition:border-color .22s ease,transform .22s ease;
}
.step:hover{border-color:rgba(139,164,255,.32);transform:translateY(-3px)}
.step-num{
  display:inline-grid;place-items:center;
  font-family:var(--font-head);font-size:13px;font-weight:600;letter-spacing:.06em;
  width:44px;height:30px;border-radius:9px;
  background:var(--peri-dim);border:1px solid rgba(139,164,255,.25);color:#b9c8ff;
  margin-bottom:16px;
}
.step h3{font-size:17.6px;font-weight:600;margin-bottom:10px}
.step p{color:var(--muted);font-size:15.2px}
.inline-link{
  display:inline-block;margin-top:14px;font-size:14px;font-weight:600;
  color:var(--mint);border-bottom:1px solid rgba(53,224,196,.4);padding-bottom:2px;
}
.inline-link:hover{border-bottom-color:var(--mint)}

/* ---------- split / portfolio ---------- */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.split-copy h2{font-size:clamp(25px,3.2vw,36px);font-weight:600;margin-bottom:16px}
.split-copy > p{color:var(--muted);margin-bottom:24px}
.ticks li{
  position:relative;padding-left:30px;margin-bottom:14px;font-size:15.4px;color:#bcc8db;
}
.ticks li::before{
  content:"";position:absolute;left:0;top:8px;width:16px;height:16px;border-radius:5px;
  background:var(--mint-dim);border:1px solid rgba(53,224,196,.3);
  box-shadow:inset 0 0 0 4px rgba(5,7,12,.9);
}
.ticks strong{color:var(--text);font-weight:600}

.panel{
  background:linear-gradient(165deg,rgba(20,27,40,.94),rgba(9,13,20,.94));
  border:1px solid var(--line);border-radius:20px;padding:22px;box-shadow:var(--shadow);
}
.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;margin-bottom:6px}
.panel-label{display:block;font-size:11.6px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}
.panel-value{font-family:var(--font-head);font-size:20px;font-weight:600}
.panel-badge{
  font-size:11.6px;padding:5px 11px;border-radius:999px;color:#0a2b26;
  background:linear-gradient(135deg,var(--mint),#6cf3d8);font-weight:600;
}
.chart{width:100%;height:190px;margin:12px 0 16px}
.panel-rows{display:flex;flex-direction:column;gap:9px;border-top:1px solid var(--line-soft);padding-top:14px}
.row{display:flex;align-items:center;gap:10px;font-size:14px;color:#c0cbdd}
.row em{margin-left:auto;font-style:normal;font-size:12.2px;color:var(--mint)}
.dot{width:9px;height:9px;border-radius:3px;flex:none}
.dot.a{background:var(--mint)}
.dot.b{background:var(--peri)}
.dot.c{background:#ffcf7a}

/* ---------- do / don't ---------- */
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.col{border:1px solid var(--line);border-radius:var(--radius);padding:28px 26px;background:rgba(255,255,255,.022)}
.col h3{display:flex;align-items:center;gap:11px;font-size:18px;font-weight:600;margin-bottom:18px}
.col h3 span{
  display:grid;place-items:center;width:26px;height:26px;border-radius:8px;font-size:14px;flex:none;
}
.col-do{border-color:rgba(53,224,196,.24);background:linear-gradient(170deg,rgba(53,224,196,.05),rgba(255,255,255,.01))}
.col-do h3 span{background:var(--mint-dim);color:var(--mint);border:1px solid rgba(53,224,196,.3)}
.col-dont{border-color:rgba(255,122,132,.22);background:linear-gradient(170deg,rgba(255,122,132,.05),rgba(255,255,255,.01))}
.col-dont h3 span{background:rgba(255,122,132,.14);color:var(--danger);border:1px solid rgba(255,122,132,.3)}
.col ul li{position:relative;padding-left:24px;margin-bottom:13px;font-size:15.2px;color:#c3cfdf}
.col ul li::before{content:"";position:absolute;left:4px;top:10px;width:8px;height:1.8px;background:currentColor;opacity:.45}

/* ---------- faq ---------- */
.faq{border-top:1px solid var(--line-soft)}
.faq details{border-bottom:1px solid var(--line-soft)}
.faq summary{
  cursor:pointer;list-style:none;padding:22px 44px 22px 0;position:relative;
  font-family:var(--font-head);font-size:17px;font-weight:500;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{
  content:"";position:absolute;right:12px;top:29px;width:11px;height:11px;
  border-right:1.8px solid var(--mint);border-bottom:1.8px solid var(--mint);
  transform:rotate(45deg);transition:transform .25s ease;
}
.faq details[open] summary::after{transform:rotate(-135deg)}
.faq summary:hover{color:#fff}
.faq details p{padding:0 44px 24px 0;color:var(--muted);font-size:15.4px}

/* ---------- blog post ---------- */
.post{
  background:linear-gradient(170deg,rgba(255,255,255,.04),rgba(255,255,255,.012));
  border:1px solid var(--line);border-radius:22px;padding:38px 40px;
  box-shadow:var(--shadow);
}
.post-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.8px;color:var(--muted);margin-bottom:18px}
.tag{
  padding:5px 12px;border-radius:999px;font-size:11.6px;letter-spacing:.08em;text-transform:uppercase;
  background:var(--mint-dim);border:1px solid rgba(53,224,196,.28);color:var(--mint);font-weight:600;
}
.post h2{font-size:clamp(24px,3vw,32px);font-weight:600;margin-bottom:18px}
.post p{color:#c2cee0;margin-bottom:16px;font-size:16.2px}
.post p:first-of-type::first-letter{
  font-family:var(--font-head);font-size:2.7em;line-height:.86;float:left;padding:6px 12px 0 0;color:var(--mint);
}
.post-foot{border-top:1px solid var(--line-soft);margin-top:26px;padding-top:20px}
.note{font-size:13.6px;color:var(--muted);margin:0}

/* ---------- cta band ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:38px 40px;border-radius:22px;
  border:1px solid rgba(53,224,196,.22);
  background:
    radial-gradient(520px 260px at 88% 20%,rgba(53,224,196,.16),transparent 70%),
    linear-gradient(140deg,rgba(139,164,255,.10),rgba(8,12,20,.9));
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:600;margin-bottom:8px}
.cta-band p{color:var(--muted);font-size:15.4px;max-width:56ch}

/* ---------- footer ---------- */
.footer{border-top:1px solid var(--line-soft);background:rgba(255,255,255,.014);padding:56px 0 30px;position:relative;z-index:1}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px}
.footer-brand{margin-bottom:16px}
.fine{font-size:13.4px;color:var(--muted);max-width:52ch}
.footer h3{font-size:13px;letter-spacing:.12em;text-transform:uppercase;color:#c9d4e4;margin-bottom:16px}
.footer ul li{margin-bottom:11px}
.footer ul a{font-size:14.6px;color:var(--muted);transition:color .18s ease}
.footer ul a:hover{color:var(--mint)}
.footer-base{
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-soft);
  font-size:12.8px;color:#7d8aa0;
}

/* ---------- reveal (only when JS is available — content stays visible without it) ---------- */
html.js .reveal{opacity:0;transform:translateY(16px);transition:opacity .6s ease,transform .6s ease}
html.js .reveal.in{opacity:1;transform:none}

/* ---------- responsive ---------- */
@media (max-width:1040px){
  .nav-links{display:none}
  .nav-cta{display:none}
  .burger{display:grid;margin-left:auto}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-art{min-height:0;margin-top:12px}
  .art-balance{left:0}
  .art-verify{right:0}
  .cards{grid-template-columns:1fr 1fr}
  .split{grid-template-columns:1fr;gap:34px}
}

@media (max-width:720px){
  body{font-size:16px}
  .hero{padding:52px 0 66px}
  .section{padding:64px 0}
  .head{margin-bottom:32px}
  .cards{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .two-col{grid-template-columns:1fr}
  .post{padding:28px 22px}
  .cta-band{padding:28px 22px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .hero-art{flex-direction:column}
  .art-balance{position:static;width:auto;margin:0 auto 16px;max-width:280px}
  .art-verify{position:static;margin:16px auto 0;max-width:280px}
  .spark{height:38px}
}

@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .reveal{opacity:1;transform:none}
}