/* ===========================
   STRATOCHAIN — Crypto demo
   =========================== */

:root{
  --bg:#0a0e1a;
  --surface:#10162a;
  --surface-2:#161e36;
  --line:rgba(255,255,255,.08);
  --line-2:rgba(255,255,255,.12);
  --ink:#f4f6fb;
  --ink-soft:#aab4cf;
  --muted:#6e7898;
  --brand:#7c5cff;
  --brand-2:#21d4fd;
  --green:#3ddc97;
  --red:#ff6b6b;
  --amber:#ffb84d;
  --grad:linear-gradient(90deg,#7c5cff 0%,#21d4fd 100%);
  --radius:14px;
  --radius-lg:22px;
  --shadow:0 24px 60px rgba(0,0,0,.4);
  --shadow-glow:0 0 80px rgba(124,92,255,.25);
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'Inter',system-ui,-apple-system,Segoe UI,Roboto,sans-serif;
  font-size:16px;line-height:1.6;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(ellipse 1200px 600px at 20% -100px,rgba(124,92,255,.12),transparent),
    radial-gradient(ellipse 800px 500px at 90% 200px,rgba(33,212,253,.08),transparent);
}

img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}

.container{max-width:1200px;margin:0 auto;padding:0 1.4rem}

h1,h2,h3,h4{font-family:'Space Grotesk','Inter',sans-serif;font-weight:600;line-height:1.12;margin:0 0 .6em;letter-spacing:-.02em}
h1{font-size:clamp(2.4rem,5.5vw,4.2rem);font-weight:700}
h2{font-size:clamp(1.9rem,3.8vw,2.8rem)}
h3{font-size:1.2rem;letter-spacing:-.01em}
p{margin:0 0 1em;color:var(--ink-soft)}

.lead{font-size:1.05rem;color:var(--ink-soft);max-width:54ch}

.grad{
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  font-style:italic;font-weight:500;
}

.eyebrow{
  display:inline-flex;align-items:center;
  font-size:.74rem;font-weight:700;letter-spacing:.22em;
  text-transform:uppercase;color:var(--brand-2);
  background:rgba(33,212,253,.08);
  border:1px solid rgba(33,212,253,.2);
  padding:.45em 1em;border-radius:99px;
  margin-bottom:1.2rem;
}
.eyebrow-light{color:var(--ink);background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12)}

/* ===== Header ===== */
.topbar{
  position:sticky;top:0;z-index:50;
  background:rgba(10,14,26,.7);
  backdrop-filter:saturate(180%) blur(14px);
  -webkit-backdrop-filter:saturate(180%) blur(14px);
  border-bottom:1px solid var(--line);
}
.nav{display:flex;align-items:center;gap:1.8rem;padding:1rem 1.4rem}
.logo{display:flex;align-items:center;gap:.65rem;color:var(--ink)}
.logo-mark{
  width:34px;height:34px;border-radius:9px;
  background:var(--grad);color:#0a0e1a;
  display:grid;place-items:center;
}
.logo-text{font-family:'Space Grotesk',sans-serif;font-weight:700;font-size:1.2rem;letter-spacing:-.01em}

.nav-links{display:flex;gap:1.8rem;list-style:none;margin:0 0 0 auto;padding:0}
.nav-links a{font-size:.92rem;font-weight:500;color:var(--ink-soft);transition:color .2s}
.nav-links a:hover{color:var(--ink)}

.nav-cta{
  display:inline-flex;align-items:center;gap:.4rem;
  background:var(--ink);color:var(--bg);
  padding:.65rem 1.2rem;border-radius:99px;
  font-weight:600;font-size:.9rem;
  transition:transform .2s,box-shadow .2s;
}
.nav-cta:hover{transform:translateY(-1px);box-shadow:0 8px 20px rgba(255,255,255,.15)}

.menu-toggle{display:none;background:none;border:none;color:var(--ink);padding:.4rem}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;gap:.5rem;
  padding:.9rem 1.5rem;
  border-radius:99px;
  font-weight:600;font-size:.95rem;
  border:1px solid transparent;
  transition:all .2s;
  cursor:pointer;
}
.btn-primary{
  background:var(--grad);color:#0a0e1a;
  box-shadow:0 10px 30px rgba(124,92,255,.35);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 40px rgba(124,92,255,.5)}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--line-2)}
.btn-ghost:hover{border-color:var(--ink-soft);background:rgba(255,255,255,.04)}
.btn-block{width:100%;justify-content:center}

/* ===== Hero ===== */
.hero{padding:5rem 0 6rem;position:relative;overflow:hidden}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:4rem;align-items:center;position:relative;z-index:1}

.hero-eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  background:rgba(61,220,151,.08);border:1px solid rgba(61,220,151,.25);
  padding:.5rem 1rem;border-radius:99px;
  font-size:.83rem;font-weight:500;color:var(--green);
  margin-bottom:1.6rem;
}
.hero-eyebrow .dot{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(61,220,151,.2);animation:pulse 1.8s ease-in-out infinite}

@keyframes pulse{0%,100%{opacity:1}50%{opacity:.5}}

.hero-actions{display:flex;gap:.8rem;margin-top:1.8rem;flex-wrap:wrap}

.hero-trust{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem;
  margin-top:3rem;padding-top:2rem;
  border-top:1px solid var(--line);
}
.hero-trust strong{font-family:'Space Grotesk',sans-serif;font-size:1.7rem;color:var(--ink);display:block;letter-spacing:-.01em}
.hero-trust span{font-size:.82rem;color:var(--muted);line-height:1.4}

/* ===== Hero ticker ===== */
.hero-ticker{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:1.4rem;
  box-shadow:var(--shadow),var(--shadow-glow);
}
.ticker-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:1rem;margin-bottom:.4rem;border-bottom:1px solid var(--line)}
.ticker-status{display:flex;align-items:center;gap:.5rem;font-size:.82rem;font-weight:600;color:var(--ink)}
.pulse{width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 0 4px rgba(61,220,151,.2);animation:pulse 1.8s ease-in-out infinite}
.ticker-time{font-size:.78rem;color:var(--muted)}

.ticker-row{display:flex;align-items:center;justify-content:space-between;padding:.9rem 0;border-bottom:1px solid var(--line)}
.ticker-row:last-of-type{border:none}
.t-coin{display:flex;align-items:center;gap:.8rem}
.coin-mark{
  width:36px;height:36px;border-radius:50%;
  display:grid;place-items:center;
  font-weight:700;font-size:1rem;
  font-family:'JetBrains Mono',monospace;
}
.coin-mark.btc{background:rgba(247,147,26,.15);color:#f7931a}
.coin-mark.eth{background:rgba(124,92,255,.15);color:#7c5cff}
.coin-mark.sol{background:rgba(33,212,253,.15);color:#21d4fd}
.coin-mark.usdt{background:rgba(61,220,151,.15);color:#3ddc97}
.t-coin strong{display:block;font-size:.95rem;letter-spacing:-.01em}
.t-coin span{font-size:.78rem;color:var(--muted)}
.t-price{text-align:right;font-family:'JetBrains Mono',monospace}
.t-price strong{font-size:1rem;font-weight:600;color:var(--ink);display:block}
.t-price .up{color:var(--green);font-size:.78rem}
.t-price .down{color:var(--red);font-size:.78rem}
.t-price .flat{color:var(--muted);font-size:.78rem}
.ticker-foot{font-size:.74rem;color:var(--muted);text-align:center;padding-top:.8rem;margin-top:.4rem;border-top:1px solid var(--line)}

/* ===== Strip ===== */
.strip{padding:2rem 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(255,255,255,.01)}
.strip-inner{display:flex;align-items:center;gap:3rem;flex-wrap:wrap;justify-content:center}
.strip-label{font-size:.78rem;color:var(--muted);letter-spacing:.06em;text-transform:uppercase;font-weight:500}
.strip-logos{display:flex;gap:2.5rem;flex-wrap:wrap;justify-content:center}
.strip-logos span{font-family:'Space Grotesk',sans-serif;font-weight:600;font-size:1.05rem;color:var(--muted);letter-spacing:-.01em;opacity:.7}

/* ===== Sections ===== */
.section{padding:5.5rem 0;position:relative}
.section-alt{background:rgba(255,255,255,.02);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:680px;margin:0 auto 3rem;text-align:center}
.section-head .lead{margin:0 auto}

/* ===== Services ===== */
.service-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.service-card{
  background:var(--surface);border:1px solid var(--line);
  padding:1.8rem;border-radius:var(--radius-lg);
  position:relative;
  transition:transform .25s,border-color .25s,box-shadow .25s;
}
.service-card:hover{transform:translateY(-4px);border-color:var(--line-2);box-shadow:0 20px 50px rgba(0,0,0,.3)}
.service-card.featured{
  background:linear-gradient(160deg,rgba(124,92,255,.12),rgba(33,212,253,.06));
  border-color:rgba(124,92,255,.3);
}
.service-num{
  font-family:'JetBrains Mono',monospace;
  font-size:.78rem;color:var(--muted);
  letter-spacing:.1em;margin-bottom:1.2rem;
}
.service-icon{
  width:48px;height:48px;border-radius:12px;
  background:rgba(124,92,255,.12);color:var(--brand);
  display:grid;place-items:center;margin-bottom:1.2rem;
}
.service-card.featured .service-icon{background:rgba(33,212,253,.14);color:var(--brand-2)}
.service-card h3{margin-bottom:.5em;color:var(--ink)}
.service-card p{font-size:.92rem;margin-bottom:1rem;color:var(--ink-soft)}
.card-link{color:var(--brand-2);font-weight:600;font-size:.88rem}
.card-link:hover{color:#5be5ff}
.badge{
  position:absolute;top:1.2rem;right:1.2rem;
  background:var(--grad);color:#0a0e1a;
  font-size:.7rem;font-weight:700;letter-spacing:.06em;
  padding:.3em .75em;border-radius:99px;text-transform:uppercase;
}

/* ===== Why ===== */
.why-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.check-list{list-style:none;padding:0;margin:1.5rem 0 0}
.check-list li{display:flex;align-items:flex-start;gap:.7rem;padding:.55rem 0;color:var(--ink-soft);font-size:.95rem}
.check-list svg{color:var(--green);flex-shrink:0;margin-top:3px}

.terminal{
  background:#070a14;
  border:1px solid var(--line-2);
  border-radius:var(--radius);
  overflow:hidden;
  font-family:'JetBrains Mono',monospace;
  font-size:.85rem;
  box-shadow:var(--shadow),0 0 100px rgba(124,92,255,.2);
}
.term-head{
  display:flex;align-items:center;gap:.45rem;
  padding:.8rem 1rem;
  border-bottom:1px solid var(--line);
  background:rgba(255,255,255,.02);
}
.term-head span{width:11px;height:11px;border-radius:50%;background:var(--line-2)}
.term-head span:nth-child(1){background:#ff5f57}
.term-head span:nth-child(2){background:#ffbd2e}
.term-head span:nth-child(3){background:#28c840}
.term-title{margin-left:auto;font-size:.78rem;color:var(--muted);background:transparent !important;width:auto !important;height:auto !important;border-radius:0 !important;font-family:'JetBrains Mono',monospace}
.terminal pre{margin:0;padding:1.4rem 1.4rem 1.8rem;color:var(--ink-soft);line-height:1.7;white-space:pre-wrap}
.terminal .cmt{color:var(--muted);font-style:italic}
.terminal .cmd{color:var(--brand-2);font-weight:600}
.terminal .arg{color:var(--amber)}
.terminal .num{color:var(--green)}
.terminal .str{color:#ffd47a}
.terminal .muted{color:var(--muted)}
.terminal .hl{color:var(--brand);font-weight:600}
.terminal .ok{color:var(--green)}

/* ===== Stats ===== */
.section-stats{
  background:linear-gradient(160deg,#10162a 0%,#070a14 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.stats-head{max-width:640px;margin:0 auto 3rem;text-align:center}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:1.2rem}
.stat{
  background:rgba(255,255,255,.02);
  border:1px solid var(--line);
  padding:2rem 1.5rem;border-radius:var(--radius-lg);
  text-align:center;
}
.stat strong{
  display:block;
  font-family:'Space Grotesk',sans-serif;
  font-size:3rem;font-weight:700;
  background:var(--grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  line-height:1;margin-bottom:.6rem;
}
.stat span{font-size:.88rem;color:var(--ink-soft);line-height:1.45}

/* ===== Insights ===== */
.insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1.4rem}
.insight-card{
  background:var(--surface);
  border:1px solid var(--line);
  padding:1.8rem;border-radius:var(--radius-lg);
  transition:border-color .25s,transform .25s;
  cursor:pointer;
}
.insight-card:hover{border-color:var(--line-2);transform:translateY(-3px)}
.ins-tag{
  display:inline-block;font-size:.72rem;font-weight:700;letter-spacing:.1em;
  text-transform:uppercase;color:var(--brand-2);
  background:rgba(33,212,253,.08);
  padding:.3em .7em;border-radius:99px;margin-bottom:1rem;
}
.insight-card h3{margin-bottom:.6em;color:var(--ink)}
.insight-card p{font-size:.92rem;color:var(--ink-soft);margin-bottom:1rem}
.ins-meta{font-size:.78rem;color:var(--muted);font-family:'JetBrains Mono',monospace}

/* ===== Contact ===== */
.section-cta{
  background:linear-gradient(160deg,#0c1226,#070a14);
  border-top:1px solid var(--line);
}
.contact-grid{display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:start}
.contact-row{padding:1.1rem 0;border-bottom:1px solid var(--line)}
.contact-row:last-of-type{border:none}
.contact-row strong{display:block;color:var(--ink);font-size:.95rem;margin-bottom:.3rem}
.contact-row span,.contact-row a{color:var(--ink-soft);font-size:.92rem;line-height:1.6}
.contact-row a:hover{color:var(--brand-2)}

.contact-form{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-lg);
  padding:2rem;
}
.contact-form label{display:block;margin-bottom:1rem}
.contact-form span{display:block;font-size:.82rem;font-weight:600;color:var(--ink-soft);margin-bottom:.45rem}
.contact-form input,.contact-form select{
  width:100%;padding:.85rem 1rem;
  background:rgba(255,255,255,.04);
  border:1px solid var(--line-2);
  border-radius:10px;
  font-family:inherit;font-size:.95rem;
  color:var(--ink);
  transition:border-color .2s,background .2s;
}
.contact-form input::placeholder{color:var(--muted)}
.contact-form input:focus,.contact-form select:focus{
  outline:none;
  border-color:var(--brand);
  background:rgba(124,92,255,.05);
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:.9rem}
.form-fine{font-size:.8rem;color:var(--muted);text-align:center;margin:1rem 0 0}

/* ===== Footer ===== */
.footer{background:#070a14;border-top:1px solid var(--line);color:var(--ink-soft);padding:4rem 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:2.5rem;padding-bottom:3rem}
.footer-grid strong{color:var(--ink);display:block;margin-bottom:1rem;font-size:.95rem}
.footer-grid a,.footer-grid span{display:block;padding:.3rem 0;font-size:.9rem}
.footer-grid a:hover{color:var(--brand-2)}
.footer-logo{color:var(--ink);margin-bottom:.8rem}
.footer-tagline{font-size:.9rem;line-height:1.55;margin:.6rem 0 .4rem}
.footer-fine{font-size:.78rem;color:var(--muted);font-family:'JetBrains Mono',monospace}

.footer-bar{border-top:1px solid var(--line);padding:1.4rem 0;font-size:.85rem}
.footer-bar .container{display:flex;justify-content:space-between;flex-wrap:wrap;gap:1rem}
.footer-bar a:hover{color:var(--brand-2)}

.risk-strip{
  background:rgba(255,184,77,.05);
  border-top:1px solid rgba(255,184,77,.15);
  padding:1.2rem 0;
}
.risk-strip .container{font-size:.78rem;color:var(--muted);line-height:1.6}
.risk-strip strong{color:var(--amber);margin-right:.4rem}

/* ===== Responsive ===== */
@media (max-width:980px){
  .hero-grid,.why-grid,.contact-grid{grid-template-columns:1fr;gap:3rem}
  .service-grid,.stats-grid{grid-template-columns:repeat(2,1fr)}
  .insight-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:2rem}
}

@media (max-width:640px){
  .menu-toggle{display:grid;place-items:center;margin-left:auto}
  .nav-links{
    display:none;flex-direction:column;
    position:absolute;top:100%;left:0;right:0;
    background:var(--surface);padding:1rem 1.4rem;
    border-top:1px solid var(--line);margin:0;
  }
  .nav-links.open{display:flex}
  .nav-cta{display:none}
  .service-grid,.stats-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:1.6rem}
  .footer-bar .container{justify-content:flex-start}
  .hero{padding:3rem 0 4rem}
  .hero-trust{grid-template-columns:1fr 1fr}
  .section{padding:3.5rem 0}
  .form-grid{grid-template-columns:1fr}
  .strip-inner{flex-direction:column;gap:1.5rem}
  .strip-logos{gap:1.5rem}
}