/* ============================================================
   CryptoMixers1 — style.css
   Palette: midnight base, iridescent violet-cyan accents
   ============================================================ */

:root{
  --bg:            #0a0e1a;
  --bg-elev:       #10162a;
  --surface:       #131a2e;
  --border:        #1f2a44;
  --border-strong: #2b3a5a;
  --text:          #e2e8f0;
  --muted:         #94a3b8;
  --dim:           #64748b;
  --accent-a:      #06b6d4;
  --accent-b:      #7c3aed;
  --accent-c:      #10b981;
  --grad:          linear-gradient(135deg,#06b6d4 0%,#7c3aed 100%);
  --grad-soft:     linear-gradient(135deg,rgba(6,182,212,.12),rgba(124,58,237,.12));
  --shadow:        0 20px 60px -20px rgba(6,182,212,.15), 0 8px 24px -8px rgba(0,0,0,.5);
  --radius:        14px;
  --radius-lg:     22px;
  --f-sans:        "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  --f-head:        "Space Grotesk", var(--f-sans);
  --f-mono:        "JetBrains Mono", ui-monospace, SFMono-Regular, Menlo, monospace;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--f-sans);
  font-size:16px;
  line-height:1.65;
  color:var(--text);
  background:var(--bg);
  background-image:
    radial-gradient(1200px 600px at 85% -10%, rgba(124,58,237,.18), transparent 60%),
    radial-gradient(1000px 500px at -10% 20%, rgba(6,182,212,.14), transparent 60%),
    linear-gradient(180deg,#0a0e1a,#0b1120);
  min-height:100vh;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;inset:0;
  background-image:
    linear-gradient(rgba(148,163,184,.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(148,163,184,.04) 1px, transparent 1px);
  background-size:60px 60px;
  pointer-events:none;
  z-index:0;
  mask-image:radial-gradient(ellipse at center, black 30%, transparent 80%);
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.container.narrow{max-width:820px}

.skip{position:absolute;left:-9999px}
.skip:focus{left:12px;top:12px;background:var(--accent-a);color:#0a0e1a;padding:8px 14px;border-radius:6px;z-index:100}

.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:20;
  backdrop-filter:blur(14px);
  background:rgba(10,14,26,.72);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;font-family:var(--f-head);font-weight:700;font-size:18px;letter-spacing:.2px}
.brand-mark{
  display:inline-grid;place-items:center;
  width:30px;height:30px;border-radius:8px;
  background:var(--grad);color:#0a0e1a;font-size:16px;
  box-shadow:0 6px 20px -6px rgba(124,58,237,.6);
}
.brand-accent{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.site-nav{display:flex;gap:26px}
.site-nav a{
  font-size:14px;color:var(--muted);
  position:relative;padding:6px 0;transition:color .2s;
}
.site-nav a:hover{color:var(--text)}
.site-nav a::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;
  background:var(--grad);transition:width .25s;
}
.site-nav a:hover::after{width:100%}
.nav-toggle{display:none;background:none;border:0;cursor:pointer;padding:8px;width:40px;height:40px}
.nav-toggle span{display:block;width:22px;height:2px;background:var(--text);margin:4px 0;transition:transform .25s, opacity .25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- Hero ---------- */
.hero{padding:80px 0 60px;position:relative}
.hero-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:60px;align-items:center}
.eyebrow{
  display:inline-block;font-family:var(--f-mono);font-size:12px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--accent-a);
  padding:6px 12px;border:1px solid rgba(6,182,212,.35);border-radius:100px;
  background:rgba(6,182,212,.06);
  margin-bottom:22px;
}
.hero h1{
  font-family:var(--f-head);
  font-size:clamp(34px,4.4vw,58px);
  line-height:1.05;
  letter-spacing:-.02em;
  margin:0 0 20px;
  font-weight:600;
}
.hero h1::first-line{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.lede{font-size:18px;color:var(--muted);max-width:560px;margin:0 0 32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:14px 22px;border-radius:100px;
  font-family:var(--f-head);font-weight:600;font-size:15px;
  transition:transform .15s ease, box-shadow .2s ease, background .2s;
  cursor:pointer;border:0;letter-spacing:.01em;
}
.btn-primary{background:var(--grad);color:#0a0e1a;box-shadow:0 10px 30px -10px rgba(124,58,237,.55)}
.btn-primary:hover{transform:translateY(-1px);box-shadow:0 14px 34px -8px rgba(124,58,237,.7)}
.btn-ghost{background:transparent;color:var(--text);border:1px solid var(--border-strong)}
.btn-ghost:hover{background:rgba(148,163,184,.06);border-color:var(--muted)}

.hero-meta{
  list-style:none;padding:0;margin:0;
  display:grid;grid-template-columns:repeat(3,1fr);gap:22px;
  max-width:520px;
}
.hero-meta li{
  display:flex;flex-direction:column;gap:2px;
  padding:14px 16px;border-left:1px solid var(--border-strong);
  background:linear-gradient(90deg, rgba(148,163,184,.04), transparent);
}
.hero-meta strong{font-family:var(--f-head);font-size:22px;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-meta span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.08em}

.hero-visual{position:relative}
.hero-visual svg{width:100%;height:auto;filter:drop-shadow(0 20px 60px rgba(124,58,237,.25))}

/* ---------- Sections ---------- */
.section{padding:90px 0;position:relative}
.section-alt{background:linear-gradient(180deg, rgba(19,26,46,.4), rgba(19,26,46,.15));border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-tag{
  display:inline-block;font-family:var(--f-mono);font-size:12px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--accent-a);margin-bottom:14px;
}
.section h2{
  font-family:var(--f-head);font-weight:600;
  font-size:clamp(28px,3.2vw,42px);
  letter-spacing:-.015em;line-height:1.15;
  margin:0 0 20px;
}
.section h3{
  font-family:var(--f-head);font-weight:600;
  font-size:20px;margin:0 0 10px;color:var(--text);
}
.section p{margin:0 0 18px;color:#cbd5e1}
.section p strong{color:var(--text)}
.section-lead{font-size:17px;color:var(--muted);max-width:720px;margin-bottom:36px !important}

.two-col{display:grid;grid-template-columns:1fr 1fr;gap:36px;margin:20px 0 34px}
.two-col-visual{grid-template-columns:1.2fr 1fr;align-items:center;gap:60px}

.callout{
  padding:22px 26px;border-radius:var(--radius);
  background:var(--grad-soft);
  border:1px solid rgba(6,182,212,.25);
  font-size:16px;color:var(--text) !important;
  position:relative;
}
.callout::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;
  background:var(--grad);border-radius:3px;
}

.svg-frame{
  margin-top:26px;padding:24px;
  border:1px solid var(--border);border-radius:var(--radius-lg);
  background:linear-gradient(180deg, rgba(19,26,46,.6), rgba(10,14,26,.4));
}
.svg-shield{display:grid;place-items:center;padding:20px}
.svg-shield svg{max-width:280px;width:100%;height:auto}

/* ---------- Comparison table ---------- */
.table-wrap{
  border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;background:rgba(19,26,46,.4);
  box-shadow:var(--shadow);
}
.compare{width:100%;border-collapse:collapse;font-size:15px}
.compare thead{background:linear-gradient(90deg, rgba(6,182,212,.08), rgba(124,58,237,.08))}
.compare th{
  text-align:left;font-family:var(--f-head);font-weight:600;
  padding:16px 18px;color:var(--text);font-size:13px;letter-spacing:.06em;text-transform:uppercase;
  border-bottom:1px solid var(--border);
}
.compare td{
  padding:16px 18px;border-bottom:1px solid var(--border);color:#cbd5e1;
}
.compare tbody tr:last-child td{border-bottom:0}
.compare tbody tr{transition:background .2s}
.compare tbody tr:hover{background:rgba(6,182,212,.04)}
.compare td:first-child{font-family:var(--f-head);font-weight:600;color:var(--text)}
.fine{font-size:13px;color:var(--dim);margin-top:14px}

/* ---------- Steps ---------- */
.steps{list-style:none;padding:0;margin:36px 0 0;counter-reset:step}
.steps li{
  position:relative;padding:22px 24px 22px 78px;
  border:1px solid var(--border);border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(19,26,46,.5), rgba(10,14,26,.3));
  margin-bottom:14px;counter-increment:step;
  transition:border-color .2s, transform .2s;
}
.steps li:hover{border-color:var(--border-strong);transform:translateX(3px)}
.steps li::before{
  content:counter(step,decimal-leading-zero);
  position:absolute;left:22px;top:24px;
  font-family:var(--f-mono);font-size:14px;font-weight:500;
  width:38px;height:38px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--grad);color:#0a0e1a;
  box-shadow:0 6px 20px -8px rgba(124,58,237,.5);
}
.steps h3{margin:0 0 6px;font-size:17px}
.steps p{margin:0;color:var(--muted);font-size:15px}

/* ---------- Checklist ---------- */
.checklist{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.checklist li{
  position:relative;padding:12px 12px 12px 40px;
  border-left:2px solid transparent;
  border-image:var(--grad) 1;
  background:linear-gradient(90deg, rgba(148,163,184,.03), transparent);
  color:#cbd5e1;font-size:15px;
}
.checklist li::before{
  content:"✓";position:absolute;left:14px;top:12px;
  font-family:var(--f-mono);font-weight:500;color:var(--accent-a);
}

/* ---------- Expert quote ---------- */
.expert{
  margin:20px 0 0;padding:34px 36px;
  border:1px solid var(--border);border-radius:var(--radius-lg);
  background:linear-gradient(180deg, rgba(19,26,46,.6), rgba(10,14,26,.4));
  position:relative;
}
.expert::before{
  content:"“";position:absolute;left:20px;top:-10px;
  font-family:Georgia,serif;font-size:80px;line-height:1;
  color:var(--accent-b);opacity:.6;
}
.expert p{font-size:19px;line-height:1.55;color:var(--text);margin:0 0 16px;font-style:italic}
.expert footer{font-size:14px;color:var(--muted);font-family:var(--f-mono)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:10px;margin-top:24px}
.faq-list details{
  border:1px solid var(--border);border-radius:var(--radius);
  background:linear-gradient(180deg, rgba(19,26,46,.5), rgba(10,14,26,.3));
  overflow:hidden;transition:border-color .2s;
}
.faq-list details[open]{border-color:var(--border-strong)}
.faq-list summary{
  cursor:pointer;padding:18px 52px 18px 22px;
  font-family:var(--f-head);font-weight:600;font-size:16px;color:var(--text);
  position:relative;list-style:none;
}
.faq-list summary::-webkit-details-marker{display:none}
.faq-list summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-family:var(--f-mono);font-size:22px;color:var(--accent-a);transition:transform .2s;
}
.faq-list details[open] summary::after{content:"−"}
.faq-list p{padding:0 22px 20px;margin:0;color:var(--muted);font-size:15px}

/* ---------- Content photos ---------- */
.content-photo{
  margin:36px 0 0;padding:0;
  border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;background:var(--bg-elev);
}
.content-photo img{width:100%;height:auto;display:block}
.content-photo figcaption{
  padding:12px 18px;font-size:13px;color:var(--dim);
  background:rgba(10,14,26,.6);border-top:1px solid var(--border);
  font-family:var(--f-mono);
}

/* ---------- Footer ---------- */
.site-footer{
  border-top:1px solid var(--border);
  padding:60px 0 40px;margin-top:40px;
  background:rgba(10,14,26,.6);
}
.footer-inner{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:start}
.foot-note{color:var(--muted);font-size:14px;margin:14px 0 0;max-width:420px}
.foot-nav{display:flex;flex-wrap:wrap;gap:22px}
.foot-nav a{font-size:14px;color:var(--muted)}
.foot-nav a:hover{color:var(--text)}
.copyright{
  grid-column:1 / -1;margin-top:30px;padding-top:24px;
  border-top:1px solid var(--border);
  font-size:13px;color:var(--dim);font-family:var(--f-mono);
}

/* ---------- Responsive ---------- */
@media (max-width:960px){
  .hero{padding:60px 0 40px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1;max-width:420px;margin:0 auto}
  .two-col,.two-col-visual{grid-template-columns:1fr;gap:24px}
  .section{padding:70px 0}
  .footer-inner{grid-template-columns:1fr}
}
@media (max-width:720px){
  .site-nav{display:none}
  .site-nav.is-open{
    display:flex;flex-direction:column;gap:0;
    position:absolute;top:68px;left:0;right:0;
    background:rgba(10,14,26,.98);backdrop-filter:blur(14px);
    padding:12px 24px 24px;border-bottom:1px solid var(--border);
  }
  .site-nav.is-open a{padding:12px 0;border-bottom:1px solid var(--border)}
  .nav-toggle{display:block}
  .hero h1{font-size:34px}
  .hero-meta{grid-template-columns:1fr;gap:10px;max-width:100%}
  .compare thead{display:none}
  .compare, .compare tbody, .compare tr, .compare td{display:block;width:100%}
  .compare tr{padding:14px 16px;border-bottom:1px solid var(--border)}
  .compare tr:last-child{border-bottom:0}
  .compare td{padding:6px 0;border:0;display:flex;justify-content:space-between;gap:16px}
  .compare td::before{
    content:attr(data-l);font-family:var(--f-mono);font-size:12px;
    text-transform:uppercase;letter-spacing:.06em;color:var(--muted);
  }
  .compare td:first-child{font-size:17px;margin-bottom:6px;padding-bottom:8px;border-bottom:1px solid var(--border)}
  .compare td:first-child::before{display:none}
  .steps li{padding:20px 18px 20px 68px}
  .steps li::before{left:16px;top:20px;width:34px;height:34px;font-size:13px}
  .expert{padding:26px 22px}
  .expert p{font-size:16px}
}

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