:root{
  --bg:#0B0E14;
  --bg-elevated:#131824;
  --surface:#1A2130;
  --border:#2A3346;
  --text:#F2F5FA;
  --text-secondary:#97A3B6;
  --accent:#4DA3FF;
  --accent-hover:#74B8FF;
  --accent-dim:rgba(77,163,255,.12);
  --certified:#34D399;
  --certified-dim:rgba(52,211,153,.12);
  --warning:#F59E0B;
  --font-display:'Inter',-apple-system,sans-serif;
  --font-body:'Inter',-apple-system,sans-serif;
  --font-mono:'JetBrains Mono',monospace;
  --radius:14px;
  --radius-sm:8px;
  --shadow:0 8px 32px rgba(0,0,0,.35);
  --max-width:1120px;
  --prose-width:720px;
}
[data-theme="light"]{
  --bg:#FAFBFD;
  --bg-elevated:#FFFFFF;
  --surface:#FFFFFF;
  --border:#E3E8F0;
  --text:#0B0E14;
  --text-secondary:#5A6678;
  --accent:#1D7FE8;
  --accent-hover:#4DA3FF;
  --accent-dim:rgba(29,127,232,.09);
  --certified:#0DA678;
  --certified-dim:rgba(13,166,120,.10);
  --shadow:0 8px 32px rgba(11,14,20,.08);
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-body);
  background:var(--bg);
  color:var(--text);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
  transition:background .25s ease,color .25s ease;
}
section{scroll-margin-top:80px}
a{color:var(--accent);text-decoration:none}
a:hover{color:var(--accent-hover)}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:4px}
.wrap{max-width:var(--max-width);margin:0 auto;padding:0 24px}
.mono{font-family:var(--font-mono)}

/* ---------- Signal bars: the signature mark ---------- */
.sig{display:inline-flex;align-items:flex-end;gap:2px;height:14px}
.sig i{display:block;width:3px;background:var(--accent);border-radius:1px}
.sig i:nth-child(1){height:4px}
.sig i:nth-child(2){height:7px}
.sig i:nth-child(3){height:9px}
.sig i:nth-child(4){height:12px}
.sig i:nth-child(5){height:14px}
.sig.muted i{background:var(--text-secondary);opacity:.55}
.sig.green i{background:var(--certified)}
@media (prefers-reduced-motion:no-preference){
  .hero .sig i{animation:sigup .5s ease backwards}
  .hero .sig i:nth-child(2){animation-delay:.08s}
  .hero .sig i:nth-child(3){animation-delay:.16s}
  .hero .sig i:nth-child(4){animation-delay:.24s}
  .hero .sig i:nth-child(5){animation-delay:.32s}
  @keyframes sigup{from{transform:scaleY(0)}to{transform:scaleY(1)}}
  .sig i{transform-origin:bottom}
}

.eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.eyebrow span{font-family:var(--font-mono);font-size:12px;font-weight:500;letter-spacing:.14em;text-transform:uppercase;color:var(--text-secondary)}

/* ---------- Header ---------- */
header{
  position:sticky;top:0;z-index:50;
  background:color-mix(in srgb,var(--bg) 82%,transparent);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:64px}
.logo{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;letter-spacing:-.02em;font-size:17px}
.logo:hover{color:var(--text)}
.logo em{font-style:normal;color:var(--text-secondary);font-weight:500}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{color:var(--text-secondary);font-size:14px;font-weight:500}
.nav-links a:hover{color:var(--text)}
.nav-cta{display:flex;align-items:center;gap:12px}
.btn-ask{
  font-family:var(--font-body);font-size:14px;font-weight:600;
  background:var(--accent);color:#06101F;border:none;cursor:pointer;
  padding:9px 18px;border-radius:99px;transition:background .15s ease;
}
.btn-ask:hover{background:var(--accent-hover)}
.theme-btn{
  background:none;border:1px solid var(--border);color:var(--text-secondary);
  width:36px;height:36px;border-radius:99px;cursor:pointer;font-size:15px;
  display:grid;place-items:center;transition:border-color .15s ease;
}
.theme-btn:hover{border-color:var(--text-secondary)}
.menu-btn{display:none;background:none;border:none;color:var(--text);font-size:22px;cursor:pointer}

/* ---------- Hero ---------- */
.hero{padding:96px 0 72px;text-align:center;position:relative;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(ellipse 60% 45% at 50% 0%,var(--accent-dim),transparent 70%);
}
.hero .wrap{position:relative}
.hero-mark{display:flex;justify-content:center;margin-bottom:26px}
.hero-mark .sig{height:22px}
.hero-mark .sig i{width:5px}
.hero-mark .sig i:nth-child(1){height:7px}
.hero-mark .sig i:nth-child(2){height:11px}
.hero-mark .sig i:nth-child(3){height:14px}
.hero-mark .sig i:nth-child(4){height:18px}
.hero-mark .sig i:nth-child(5){height:22px}
.hero h1{
  font-family:var(--font-display);
  font-size:clamp(38px,6vw,64px);
  font-weight:800;letter-spacing:-.035em;line-height:1.05;
  max-width:15ch;margin:0 auto 18px;
}
.hero p.sub{color:var(--text-secondary);font-size:17px;max-width:56ch;margin:0 auto 40px}
.page-hero{padding:56px 0 40px;text-align:left}
.page-hero h1{
  font-size:clamp(32px,4.5vw,48px);
  font-weight:800;letter-spacing:-.03em;line-height:1.1;
  margin-bottom:16px;max-width:20ch;
}
.page-hero p.sub{color:var(--text-secondary);font-size:17px;max-width:62ch;margin:0}

.ask{max-width:680px;margin:0 auto}
.ask-box{
  display:flex;align-items:center;gap:10px;
  background:var(--bg-elevated);border:1px solid var(--border);
  border-radius:99px;padding:8px 8px 8px 22px;
  box-shadow:var(--shadow);
  transition:border-color .15s ease;
}
.ask-box:focus-within{border-color:var(--accent)}
.ask-box input{
  flex:1;background:none;border:none;outline:none;
  color:var(--text);font-size:16px;font-family:var(--font-body);min-width:0;
}
.ask-box input::placeholder{color:var(--text-secondary)}
.ask-box button{
  background:var(--accent);border:none;color:#06101F;cursor:pointer;
  width:44px;height:44px;border-radius:99px;font-size:18px;flex-shrink:0;
  display:grid;place-items:center;transition:background .15s ease;
}
.ask-box button:hover{background:var(--accent-hover)}
.chips{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin-top:20px}
.chip{
  font-size:13.5px;font-weight:500;color:var(--text-secondary);
  background:none;border:1px solid var(--border);border-radius:99px;
  padding:7px 15px;cursor:pointer;font-family:var(--font-body);
  transition:all .15s ease;
}
.chip:hover{color:var(--text);border-color:var(--accent);background:var(--accent-dim)}

.answer{
  max-width:680px;margin:26px auto 0;text-align:left;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px 26px;display:none;
}
.answer.show{display:block}
.answer .q{font-family:var(--font-mono);font-size:12.5px;color:var(--text-secondary);margin-bottom:10px}
.answer .a{font-size:15.5px;margin-bottom:16px}
.answer .links{display:flex;flex-wrap:wrap;gap:10px}
.answer .links a{
  font-size:13.5px;font-weight:600;border:1px solid var(--border);
  border-radius:99px;padding:7px 15px;transition:all .15s ease;
}
.answer .links a:hover{border-color:var(--accent);background:var(--accent-dim)}

/* ---------- Breadcrumbs ---------- */
.breadcrumbs{padding:20px 0 0;font-family:var(--font-mono);font-size:12.5px;color:var(--text-secondary)}
.breadcrumbs a{color:var(--text-secondary)}
.breadcrumbs a:hover{color:var(--accent)}
.breadcrumbs span.sep{margin:0 8px;opacity:.5}

/* ---------- Prose (interior pages) ---------- */
.prose{max-width:var(--prose-width);margin:0 auto;padding:32px 0 64px}
.prose h2{font-size:24px;font-weight:700;margin:32px 0 12px;letter-spacing:-.02em}
.prose h3{font-size:18px;font-weight:700;margin:24px 0 8px}
.prose p{margin-bottom:16px;color:var(--text-secondary);font-size:16px;line-height:1.7}
.prose p.lead{font-size:18px;color:var(--text);margin-bottom:24px}
.prose ul,.prose ol{margin:0 0 16px 24px;color:var(--text-secondary)}
.prose li{margin-bottom:8px}
.prose a{font-weight:500}
.founder-block{
  margin:32px 0;padding:24px;background:var(--surface);
  border:1px solid var(--border);border-radius:var(--radius);
}
.founder-block p{margin:0;color:var(--text-secondary)}
.preserved-history{
  margin-top:32px;padding:20px 24px;background:var(--bg-elevated);
  border:1px solid var(--border);border-radius:var(--radius-sm);
  font-size:14.5px;color:var(--text-secondary);
}
.guide-status{
  margin:24px 0;padding:28px;background:var(--surface);
  border:1px solid var(--border);border-left:3px solid var(--accent);
  border-radius:var(--radius-sm);
}
.guide-status p{margin:0 0 12px;color:var(--text-secondary);font-size:15.5px}
.guide-status p:last-child{margin:0}
.updated-stamp{
  font-family:var(--font-mono);font-size:12px;color:var(--text-secondary);
  margin-bottom:8px;display:block;
}
.empty-state{
  text-align:center;padding:48px 24px;background:var(--surface);
  border:1px dashed var(--border);border-radius:var(--radius);
  color:var(--text-secondary);font-size:15.5px;
}
.cta-link{display:inline-block;margin-top:24px;font-weight:600;font-size:15px}

/* ---------- Trust bar ---------- */
.trust{border-top:1px solid var(--border);border-bottom:1px solid var(--border);background:var(--bg-elevated)}
.trust .wrap{
  display:flex;justify-content:center;align-items:center;gap:14px 36px;flex-wrap:wrap;
  padding:20px 24px;
}
.trust .item{display:flex;align-items:center;gap:9px;font-family:var(--font-mono);font-size:13px;color:var(--text-secondary)}
.trust .item b{color:var(--text);font-weight:600}
.trust a.item{transition:color .15s ease}
.trust a.item:hover b{color:var(--accent)}

/* ---------- Sections ---------- */
.section{padding:88px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:clamp(26px,3.4vw,34px);font-weight:700;letter-spacing:-.025em;line-height:1.15}
.section-head p{color:var(--text-secondary);font-size:15px;margin-top:6px;max-width:52ch}
.section-head .more{font-size:14px;font-weight:600;white-space:nowrap}

.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.guide-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;gap:12px;color:var(--text);
  transition:border-color .15s ease,transform .15s ease;
}
.guide-card:hover{border-color:var(--accent);transform:translateY(-2px);color:var(--text)}
.guide-card .cat{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent)}
.guide-card h3{font-size:18.5px;font-weight:700;letter-spacing:-.015em;line-height:1.3}
.guide-card .meta{margin-top:auto;font-family:var(--font-mono);font-size:12px;color:var(--text-secondary);display:flex;gap:14px}

.compare{background:var(--bg-elevated);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.vs-grid{display:grid;grid-template-columns:1fr auto 1fr;gap:22px;align-items:stretch}
.vs-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;display:flex;flex-direction:column;gap:18px;
}
.vs-card.certified{border-color:color-mix(in srgb,var(--certified) 45%,var(--border))}
.vs-card .name{font-size:22px;font-weight:700;letter-spacing:-.02em}
.vs-card .tag{font-family:var(--font-mono);font-size:12px;color:var(--text-secondary)}
.spec-list{display:flex;flex-direction:column;border-top:1px solid var(--border)}
.spec-list .row{
  display:flex;justify-content:space-between;gap:16px;
  padding:10px 0;border-bottom:1px solid var(--border);
  font-family:var(--font-mono);font-size:13px;
}
.spec-list .row span:first-child{color:var(--text-secondary)}
.vs-card .price{font-family:var(--font-mono);font-size:17px;font-weight:600}
.vs-badge{align-self:center;font-family:var(--font-mono);font-size:13px;font-weight:600;color:var(--text-secondary);padding:0 4px}
.cert-pill{
  display:inline-flex;align-items:center;gap:7px;align-self:flex-start;
  font-family:var(--font-mono);font-size:11.5px;font-weight:600;letter-spacing:.1em;text-transform:uppercase;
  color:var(--certified);background:var(--certified-dim);
  border:1px solid color-mix(in srgb,var(--certified) 35%,transparent);
  border-radius:99px;padding:5px 12px;
}
.verdict{
  margin-top:22px;background:var(--surface);border:1px solid var(--border);
  border-left:3px solid var(--accent);border-radius:var(--radius-sm);
  padding:18px 22px;font-size:15.5px;
}
.verdict b{font-weight:700}
.verdict .label{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent);display:block;margin-bottom:6px}

.cert-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:8px}
.cert-col{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:26px}
.cert-col .n{font-family:var(--font-mono);font-size:12px;color:var(--certified);margin-bottom:12px;display:flex;align-items:center;gap:8px}
.cert-col h3{font-size:17px;font-weight:700;margin-bottom:8px;letter-spacing:-.01em}
.cert-col p{font-size:14.5px;color:var(--text-secondary)}
.cert-note{margin-top:22px;font-size:14.5px;color:var(--text-secondary)}
.cert-note a{font-weight:600}

.asked-list{display:flex;flex-direction:column;border-top:1px solid var(--border)}
.asked{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px 24px;align-items:center;
  padding:20px 4px;border-bottom:1px solid var(--border);color:var(--text);
  transition:background .15s ease;
}
.asked:hover{background:var(--accent-dim);color:var(--text)}
.asked .q{font-weight:600;font-size:16px;letter-spacing:-.01em}
.asked .a{grid-column:1;color:var(--text-secondary);font-size:14.5px}
.asked .go{grid-row:1/span 2;font-family:var(--font-mono);font-size:13px;color:var(--accent);white-space:nowrap}

.email{background:var(--bg-elevated);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.email .inner{max-width:620px;margin:0 auto;text-align:center}
.email h2{font-size:clamp(24px,3vw,32px);font-weight:700;letter-spacing:-.025em;margin-bottom:12px}
.email p{color:var(--text-secondary);font-size:15.5px;margin-bottom:28px}
.email form{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.email input[type="email"]{
  flex:1;min-width:200px;background:var(--surface);border:1px solid var(--border);border-radius:99px;
  padding:13px 22px;color:var(--text);font-size:15px;font-family:var(--font-body);outline:none;
  transition:border-color .15s ease;
}
.email input[type="email"]:focus{border-color:var(--accent)}
.email button[type="submit"]{
  background:var(--accent);border:none;color:#06101F;font-weight:600;font-size:14.5px;
  font-family:var(--font-body);border-radius:99px;padding:13px 24px;cursor:pointer;white-space:nowrap;
  transition:background .15s ease;
}
.email button[type="submit"]:hover{background:var(--accent-hover)}
.email .ok{display:none;font-family:var(--font-mono);font-size:14px;color:var(--certified);padding:14px 0}
.email .fine{font-family:var(--font-mono);font-size:12px;color:var(--text-secondary);margin-top:16px;margin-bottom:0}
.email .hp{position:absolute;left:-9999px;opacity:0;height:0;width:0;overflow:hidden}
.email .turnstile-wrap{margin-top:12px;width:100%;display:flex;justify-content:center}

footer{padding:64px 0 40px}
.foot-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:44px}
.foot-brand p{color:var(--text-secondary);font-size:14px;max-width:34ch;margin-top:14px}
.foot-col h4{font-family:var(--font-mono);font-size:11.5px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-secondary);margin-bottom:16px}
.foot-col a{display:block;color:var(--text-secondary);font-size:14px;padding:5px 0}
.foot-col a:hover{color:var(--text)}
.foot-base{
  border-top:1px solid var(--border);padding-top:26px;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:12.5px;color:var(--text-secondary);
}
.foot-base a{color:var(--text-secondary)}
.foot-base a:hover{color:var(--text)}

@media (max-width:900px){
  .grid-3{grid-template-columns:repeat(2,1fr)}
  .cert-cols{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr 1fr}
  .nav-links{display:none}
  .menu-btn{display:block}
}
@media (max-width:640px){
  .hero{padding:64px 0 56px}
  .section{padding:64px 0}
  .grid-3{grid-template-columns:1fr}
  .vs-grid{grid-template-columns:1fr}
  .vs-badge{padding:4px 0}
  .chips{justify-content:flex-start;overflow-x:auto;flex-wrap:nowrap;margin-left:-24px;margin-right:-24px;padding:4px 24px;scrollbar-width:none}
  .chips::-webkit-scrollbar{display:none}
  .chip{flex-shrink:0}
  .email form{flex-direction:column}
  .asked{grid-template-columns:1fr}
  .asked .go{grid-row:auto}
  .trust .wrap{gap:10px 22px}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
}