:root{--bg:#020204;--bg-alt:#06060c;--surface:rgba(10,10,20,0.7);--border:rgba(255,215,0,0.12);--border-h:rgba(255,215,0,0.35);--text:#ffffff;--muted:#8a8a9e;--faint:#3a3a50;--accent:#00D2FF;--gold:#FFD700;--green:#00b87c;--red:#e84545;--font-h:'Outfit',sans-serif;--font-b:'Inter',sans-serif;--r:12px;--tr:all 0.3s ease;}
*,*::before,*::after{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{background:var(--bg);color:var(--text);font-family:var(--font-b);font-size:16px;line-height:1.75;overflow-x:hidden;-webkit-font-smoothing:antialiased;background-image:radial-gradient(ellipse at 10% 40%,rgba(0,210,255,0.05),transparent 40%),radial-gradient(ellipse at 90% 10%,rgba(255,215,0,0.05),transparent 40%);background-attachment:fixed;}
a{text-decoration:none;color:inherit;}
img{display:block;max-width:100%;}
.container{max-width:900px;margin:0 auto;padding:0 1.5rem;}

/* NAV */
.navbar{position:fixed;top:0;left:0;width:100%;z-index:999;backdrop-filter:blur(24px);-webkit-backdrop-filter:blur(24px);background:rgba(4,4,12,0.9);border-bottom:1px solid var(--border);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;padding:.9rem 1.5rem;max-width:900px;margin:0 auto;}
.logo{font-family:var(--font-h);font-size:1.15rem;font-weight:900;background:linear-gradient(135deg,#fff 30%,var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.nav-back{font-size:.8rem;color:var(--muted);border:1px solid var(--border);padding:.35rem .9rem;border-radius:20px;transition:var(--tr);}
.nav-back:hover{border-color:var(--accent);color:var(--accent);}
.nav-badge{font-family:var(--font-h);font-size:.65rem;font-weight:700;letter-spacing:.1em;background:rgba(0,210,255,.1);color:var(--accent);border:1px solid rgba(0,210,255,.2);padding:.15rem .6rem;border-radius:4px;margin-left:.6rem;}

/* HERO */
.hero{padding:130px 0 70px;text-align:center;position:relative;border-bottom:1px solid var(--border);overflow:hidden;}
.hero-glow{position:absolute;top:0;left:50%;transform:translateX(-50%);width:700px;height:400px;background:radial-gradient(ellipse,rgba(0,210,255,.07) 0%,transparent 65%);pointer-events:none;}
.hero-glow2{position:absolute;bottom:-100px;right:-100px;width:400px;height:400px;background:radial-gradient(ellipse,rgba(255,215,0,.05) 0%,transparent 65%);pointer-events:none;}
.eyebrow{font-size:.7rem;letter-spacing:.22em;text-transform:uppercase;font-weight:700;margin-bottom:1rem;display:inline-flex;align-items:center;gap:.5rem;background:linear-gradient(90deg,var(--gold),#e8c87a);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.eyebrow::before,.eyebrow::after{content:'';display:inline-block;width:20px;height:1px;background:var(--gold);opacity:.5;}
h1{font-family:var(--font-h);font-size:clamp(2rem,5vw,3.5rem);font-weight:900;line-height:1.08;letter-spacing:-.01em;margin-bottom:1rem;}
h1 .gradient-text{background:linear-gradient(135deg,#fff 40%,var(--accent));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.hero-desc{color:var(--muted);font-size:clamp(.9rem,2vw,1.05rem);max-width:540px;margin:0 auto 2rem;}
.btn-gold{display:inline-block;font-family:var(--font-h);font-weight:800;font-size:.92rem;padding:.8rem 2rem;border-radius:6px;background:linear-gradient(135deg,var(--gold),#B8860B);color:#000;box-shadow:0 4px 24px rgba(255,215,0,.35);transition:var(--tr);cursor:pointer;}
.btn-gold:hover{transform:translateY(-3px);box-shadow:0 8px 32px rgba(255,215,0,.6);}
.hero-tags{display:flex;flex-wrap:wrap;justify-content:center;gap:.6rem;margin-top:1.8rem;}
.hero-tag{font-size:.75rem;color:var(--muted);border:1px solid var(--faint);border-radius:20px;padding:.25rem .8rem;}

/* SECTION */
.section{padding:70px 0;}
.dark-section{background:var(--bg-alt);}
.sec-header{margin-bottom:2.5rem;}
.sec-label{font-size:.68rem;letter-spacing:.22em;text-transform:uppercase;font-weight:700;margin-bottom:.6rem;display:block;background:linear-gradient(90deg,var(--accent),rgba(0,210,255,.4));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
h2{font-family:var(--font-h);font-size:clamp(1.5rem,3vw,2rem);font-weight:900;margin-bottom:.6rem;background:linear-gradient(135deg,#fff 50%,rgba(255,255,255,.55));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.sec-body{color:var(--muted);font-size:.95rem;}
h3{font-family:var(--font-h);font-size:1.05rem;font-weight:700;color:var(--gold);margin:2rem 0 .8rem;display:flex;align-items:center;gap:.5rem;}
h3::before{content:'';display:inline-block;width:3px;height:16px;background:var(--gold);border-radius:2px;box-shadow:0 0 8px rgba(255,215,0,.5);}
p{color:var(--muted);font-size:.95rem;}

/* CARD */
.card{background:var(--surface);border:1px solid var(--border);border-radius:16px;padding:2rem;margin-bottom:1.5rem;backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);transition:border-color .3s ease,box-shadow .3s ease;position:relative;overflow:hidden;}
.card::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,215,0,.2),transparent);pointer-events:none;}
.card:hover{border-color:var(--border-h);box-shadow:0 20px 40px rgba(0,0,0,.4),0 0 0 1px rgba(255,215,0,.06);}

/* CODE BLOCK */
.code-block{background:#080810;border:1px solid rgba(0,210,255,.12);border-radius:var(--r);padding:1.5rem 1.5rem 1.5rem 2rem;font-family:'Courier New',monospace;color:#e0e0e0;margin:1.5rem 0;font-size:.95rem;line-height:2;position:relative;box-shadow:inset 0 4px 12px rgba(0,0,0,.5);}
.code-block::before{content:'SIGNAL';position:absolute;top:0;left:0;background:rgba(0,210,255,.1);color:var(--accent);font-size:.6rem;padding:3px 10px;border-radius:12px 0 8px 0;font-family:var(--font-h);letter-spacing:2px;font-weight:700;}
.code-line{display:flex;gap:1rem;align-items:baseline;}
.line-num{color:var(--faint);font-size:.8rem;min-width:12px;user-select:none;}
.stars{color:var(--gold);letter-spacing:2px;}

/* TABLE */
.tbl-wrap{border-radius:12px;overflow:hidden;border:1px solid var(--border);margin:1.5rem 0;}
table{width:100%;border-collapse:collapse;}
th,td{padding:.9rem 1.1rem;text-align:left;border-bottom:1px solid var(--border);font-size:.88rem;}
th{background:rgba(0,210,255,.06);color:var(--accent);font-family:var(--font-h);font-weight:700;font-size:.8rem;letter-spacing:.05em;}
td{color:var(--muted);}
td strong{color:var(--text);}
tr:last-child td{border-bottom:none;}
.badge{display:inline-block;padding:2px 8px;border-radius:4px;font-size:.75rem;font-weight:700;font-family:var(--font-h);}
.badge-buy{background:rgba(0,184,124,.1);color:var(--green);border:1px solid rgba(0,184,124,.25);}
.badge-sell{background:rgba(232,69,69,.1);color:var(--red);border:1px solid rgba(232,69,69,.25);}

/* STEPS */
.step-list{display:flex;flex-direction:column;gap:1rem;margin-top:1.5rem;}
.step-item{display:flex;gap:1.2rem;align-items:flex-start;background:rgba(255,255,255,.02);border:1px solid transparent;border-radius:12px;padding:1.2rem;transition:var(--tr);}
.step-item:hover{background:rgba(0,210,255,.03);border-color:rgba(0,210,255,.1);}
.step-num{background:linear-gradient(135deg,var(--gold),#B8860B);color:#000;width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:900;font-family:var(--font-h);font-size:.9rem;flex-shrink:0;box-shadow:0 4px 12px rgba(255,215,0,.25);}
.step-body strong{color:var(--text);display:block;margin-bottom:.3rem;font-size:.95rem;}
.step-body p{font-size:.88rem;}
.step-note{font-size:.8rem;color:var(--faint);margin-top:.3rem;}

/* TF CHIPS */
.tf-chips{display:flex;flex-wrap:wrap;gap:.5rem;margin-top:.8rem;}
.tf-chip{font-family:var(--font-h);font-size:.78rem;font-weight:700;padding:.25rem .85rem;border-radius:20px;border:1px solid rgba(0,210,255,.2);color:var(--accent);background:rgba(0,210,255,.05);}

/* ALERT */
.alert-box{background:rgba(255,215,0,.04);border-left:3px solid var(--gold);border-radius:0 10px 10px 0;padding:1.1rem 1.4rem;margin:1.5rem 0;}
.alert-box strong{color:var(--gold);}
.alert-box p{font-size:.9rem;margin-top:.3rem;}

/* ALGO ITEMS */
.algo-list{display:flex;flex-direction:column;gap:.8rem;margin-top:1rem;}
.algo-item{display:flex;gap:1rem;align-items:flex-start;padding:.9rem 1rem;background:rgba(255,255,255,.02);border-radius:8px;border:1px solid var(--border);}
.algo-dot{width:8px;height:8px;border-radius:50%;background:var(--accent);flex-shrink:0;margin-top:.55rem;box-shadow:0 0 8px var(--accent);}
.algo-dot.gold{background:var(--gold);box-shadow:0 0 8px var(--gold);}
.algo-item span{color:var(--muted);font-size:.9rem;}
.algo-item strong{color:var(--text);}

/* GRADE TABLE */
.grade-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1rem;margin-top:1.5rem;}
.grade-card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:1.4rem;text-align:center;transition:var(--tr);}
.grade-card:hover{border-color:var(--border-h);}
.grade-card.gold-card{border-color:rgba(255,215,0,.3);background:rgba(255,215,0,.04);}
.grade-stars{font-size:1.2rem;color:var(--gold);letter-spacing:3px;margin-bottom:.5rem;display:block;}
.grade-pct{font-family:var(--font-h);font-size:1.6rem;font-weight:900;color:var(--text);display:block;margin-bottom:.3rem;}
.grade-desc{font-size:.8rem;color:var(--muted);}

/* FAQ */
.faq-list{display:flex;flex-direction:column;}
.faq-item{border-bottom:1px solid var(--border);padding:1.2rem 0;cursor:pointer;}
.faq-item:last-child{border-bottom:none;}
.faq-q{display:flex;justify-content:space-between;align-items:center;font-weight:600;color:var(--text);font-size:.95rem;}
.faq-icon{color:var(--accent);font-size:1.1rem;transition:transform .3s;flex-shrink:0;margin-left:.8rem;}
.faq-a{color:var(--muted);font-size:.88rem;margin-top:.8rem;display:none;line-height:1.7;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-item.open .faq-a{display:block;}

/* CTA */
.cta-section{padding:90px 0;text-align:center;position:relative;overflow:hidden;background:var(--bg-alt);}
.cta-glow{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:600px;height:300px;background:radial-gradient(ellipse,rgba(0,210,255,.06) 0%,transparent 70%);pointer-events:none;}
.cta-inner{position:relative;z-index:1;}
.cta-inner h2{margin-bottom:1rem;}
.cta-inner .sec-body{margin:0 auto 2rem;max-width:480px;}
.cta-sub{margin-top:1rem;font-size:.8rem;color:var(--faint);}

/* FOOTER */
footer{padding:2rem 0;border-top:1px solid var(--border);background:#030308;}
.footer-inner{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem;}
.f-logo{font-family:var(--font-h);font-size:1rem;font-weight:900;background:linear-gradient(135deg,#fff 30%,var(--gold));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
.f-copy{font-size:.78rem;color:var(--faint);}
.f-links{display:flex;gap:1.2rem;}
.f-links a{font-size:.78rem;color:var(--muted);transition:var(--tr);}
.f-links a:hover{color:var(--accent);}

/* REVEAL */
.reveal{opacity:0;transform:translateY(20px);transition:opacity .7s ease,transform .7s ease;}
.reveal.active{opacity:1;transform:translateY(0);}

/* === MOBILE === */
@media(max-width:768px){
  html{font-size:14px;}
  .container{padding:0 1rem;}
  .section{padding:50px 0;}
  .hero{padding:100px 0 50px;}
  h1{font-size:clamp(1.6rem,7vw,2.2rem);}
  h2{font-size:clamp(1.25rem,5vw,1.6rem);}
  h3{font-size:.95rem;}
  .card{padding:1.2rem;border-radius:12px;}
  .nav-inner{padding:.8rem 1rem;}
  .logo{font-size:1rem;}
  .nav-back{font-size:.72rem;padding:.28rem .7rem;}
  .nav-badge{display:none;}
  .hero-tags{display:none;}
  .grade-grid{grid-template-columns:1fr;gap:.8rem;}
  .grade-card{padding:1rem;}
  .grade-stars{font-size:1rem;}
  .grade-pct{font-size:1.3rem;}
  .code-block{font-size:.82rem;padding:1.2rem 1rem 1.2rem 1.4rem;line-height:1.9;}
  th,td{padding:.7rem .8rem;font-size:.8rem;}
  .step-item{padding:1rem;}
  .step-num{width:32px;height:32px;font-size:.8rem;}
  .step-body strong{font-size:.88rem;}
  .step-body p,.step-note{font-size:.82rem;}
  .cta-section{padding:60px 0;}
  .footer-inner{flex-direction:column;text-align:center;}
  .f-links{justify-content:center;}
  .btn-gold{font-size:.88rem;padding:.75rem 1.6rem;width:100%;max-width:320px;}
  .tbl-wrap{border-radius:8px;}
  .alert-box{padding:.9rem 1rem;}
}
@media(max-width:480px){
  html{font-size:13px;}
  h1{font-size:1.55rem;}
  .hero-desc{font-size:.88rem;}
  .eyebrow{font-size:.65rem;}
  .algo-item{padding:.75rem .8rem;}
}