*,*::before,*::after{margin:0;padding:0;box-sizing:border-box}
:root{
  --bg:#191127;--bg2:#23133a;--bg3:#1f1232;
  --green:#883CF0;--green2:#7c3aed;--green-dim:#7c5cfc1f;
  --cyan:#883CF0;--purple:#7c3aed;--amber:#af62c8;
  --text:#e2e8f0;--text2:#d6d6d6;--text3:#d6d6d6;
  --border:#3a1c63;--glow:0 0 40px rgba(157, 0, 255, 0.15);
}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:'Outfit',sans-serif;background:var(--bg);color:var(--text);overflow-x:hidden;line-height:1.6}
::selection{background:var(--green);color:var(--bg)}

/* Scrollbar */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--bg)}
::-webkit-scrollbar-thumb{background:var(--green2);border-radius:3px}

/* Noise overlay */
body::before{content:'';position:fixed;inset:0;z-index:9999;pointer-events:none;
  background:url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.025'/%3E%3C/svg%3E");
}

/* Scanline */
body::after{content:'';position:fixed;inset:0;z-index:9998;pointer-events:none;
  background:repeating-linear-gradient(0deg,transparent,transparent 2px,rgba(136, 0, 255, 0.008) 2px,rgba(128, 0, 255, 0.008) 4px);
}

/* NAV */
nav{position:fixed;top:0;left:0;right:0;z-index:100;
  background:#180f26;backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);padding:0 2rem;height:64px;
  display:flex;align-items:center;justify-content:space-between;
  transition:box-shadow .3s}
nav.scrolled{box-shadow:var(--glow)}
.logo{font-family:'JetBrains Mono',monospace;font-weight:700;font-size:1.1rem;
  color:var(--green);letter-spacing:-.02em;display:flex;align-items:center;gap:.6rem}
.logo-icon{width:32px;height:32px;border:2px solid var(--green);border-radius:6px;
  display:grid;place-items:center;position:relative;
  animation:pulse-border 3s ease-in-out infinite}
.logo-icon::after{content:'';width:12px;height:12px;background:var(--green);
  border-radius:2px;animation:rotate-core 8s linear infinite}
@keyframes pulse-border{0%,100%{border-color:var(--green)}50%{border-color:var(--cyan)}}
@keyframes rotate-core{to{transform:rotate(360deg)}}
.nav-links{display:flex;gap:2rem;align-items:center}
.nav-links a{color:var(--text2);text-decoration:none;font-size:.875rem;font-weight:400;
  transition:color .2s;position:relative}
.nav-links a::after{content:'';position:absolute;bottom:-4px;left:0;width:0;height:1px;
  background:var(--green);transition:width .3s}
.nav-links a:hover{color:var(--green)}
.nav-links a:hover::after{width:100%}
.btn-nav{background:var(--green)!important;color:var(--bg)!important;padding:.5rem 1.2rem;
  border-radius:4px;font-weight:600;font-size:.8rem;letter-spacing:.04em;text-transform:uppercase}
.btn-nav:hover{background:var(--cyan)!important}
.btn-nav::after{display:none!important}
.mobile-menu{display:none;background:none;border:none;color:var(--green);cursor:pointer;font-size:1.5rem}

/* HERO */
.hero{min-height:100vh;display:flex;align-items:center;justify-content:center;
  position:relative;padding:6rem 2rem 4rem}
.hero-grid{position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(149, 0, 255, 0.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(166, 0, 255, 0.03) 1px,transparent 1px);
  background-size:60px 60px;
  mask-image:radial-gradient(ellipse 70% 60% at 50% 40%,rgb(0, 0, 0) 20%,transparent 70%)}
.hero-glow{position:absolute;width:600px;height:600px;
  background:radial-gradient(circle,rgba(136, 0, 255, 0.08) 0%,transparent 70%);
  top:20%;left:50%;transform:translate(-50%,-50%);pointer-events:none}
.hero-content{position:relative;z-index:2;text-align:center;max-width:900px}
.hero-badge{display:inline-flex;align-items:center;gap:.5rem;
  padding:.4rem 1rem;border:1px solid var(--border);border-radius:100px;
  font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--green);
  margin-bottom:2rem;animation:fade-up .8s ease-out}
.hero-badge .dot{width:6px;height:6px;background:var(--green);border-radius:50%;
  animation:blink 2s ease-in-out infinite}
@keyframes blink{0%,100%{opacity:1}50%{opacity:.3}}
h1{font-size:clamp(2.8rem,7vw,5.5rem);font-weight:800;line-height:1.05;
  letter-spacing:-.03em;margin-bottom:1.5rem;animation:fade-up .8s ease-out .1s both}
h1 .highlight{background:linear-gradient(135deg,var(--green),var(--cyan));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero-sub{font-size:1.15rem;color:var(--text2);max-width:560px;margin:0 auto 2.5rem;
  font-weight:300;animation:fade-up .8s ease-out .2s both}
@keyframes fade-up{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
.hero-actions{display:flex;gap:1rem;justify-content:center;flex-wrap:wrap;
  animation:fade-up .8s ease-out .3s both}
.btn-primary{background:var(--green);color:var(--bg);padding:.85rem 2rem;border:none;
  border-radius:6px;font-family:inherit;font-weight:700;font-size:.9rem;cursor:pointer;
  letter-spacing:.02em;transition:all .2s;position:relative;overflow:hidden}
.btn-primary:hover{background:#883cf0e0;transform:translateY(-2px);box-shadow:0 8px 30px rgba(140, 0, 255, 0.25)}
.btn-secondary{background:transparent;color:var(--text);padding:.85rem 2rem;
  border:1px solid var(--border);border-radius:6px;font-family:inherit;font-weight:500;
  font-size:.9rem;cursor:pointer;transition:all .2s}
.btn-secondary:hover{border-color:var(--green);color:var(--green)}

/* Terminal Preview */
.terminal{max-width:680px;margin:4rem auto 0;background:var(--bg2);border:1px solid var(--border);
  border-radius:10px;overflow:hidden;text-align:left;animation:fade-up .8s ease-out .5s both;
  box-shadow:0 20px 60px rgba(0,0,0,.5)}
.terminal-bar{display:flex;align-items:center;gap:6px;padding:.75rem 1rem;
  background:rgba(0,0,0,.3);border-bottom:1px solid var(--border)}
.terminal-dot{width:10px;height:10px;border-radius:50%}
.terminal-dot:nth-child(1){background:#ff5f57}
.terminal-dot:nth-child(2){background:#ffbd2e}
.terminal-dot:nth-child(3){background:#28c840}
.terminal-title{margin-left:auto;font-family:'JetBrains Mono',monospace;font-size:.65rem;color:var(--text3)}
.terminal-body{padding:1.2rem;font-family:'JetBrains Mono',monospace;font-size:.8rem;line-height:1.8}
.t-prompt{color:var(--green)}
.t-cmd{color:var(--text)}
.t-comment{color:var(--text3)}
.t-string{color:var(--amber)}
.t-keyword{color:var(--purple)}
.t-cursor{display:inline-block;width:8px;height:15px;background:var(--green);
  animation:cursor-blink 1s step-end infinite;vertical-align:middle;margin-left:2px}
@keyframes cursor-blink{0%,100%{opacity:1}50%{opacity:0}}

/* STATS BAR */
.stats{padding:3rem 2rem;border-top:1px solid var(--border);border-bottom:1px solid var(--border);
  background:var(--bg2)}
.stats-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(4,1fr);gap:2rem;text-align:center}
.stat-num{font-family:'JetBrains Mono',monospace;font-size:2.2rem;font-weight:700;color:var(--green)}
.stat-label{font-size:.8rem;color:var(--text3);margin-top:.3rem;text-transform:uppercase;letter-spacing:.08em}

/* FEATURES */
.features{padding:7rem 2rem}
.section-header{text-align:center;max-width:600px;margin:0 auto 4rem}
.section-tag{font-family:'JetBrains Mono',monospace;font-size:.7rem;color:var(--green);
  text-transform:uppercase;letter-spacing:.12em;margin-bottom:.75rem}
.section-title{font-size:2.4rem;font-weight:700;letter-spacing:-.02em;margin-bottom:1rem}
.section-desc{color:var(--text2);font-weight:300;font-size:1rem}
.features-grid{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.feature-card{background:var(--bg2);border:1px solid var(--border);border-radius:12px;
  padding:2rem;transition:all .35s;position:relative;overflow:hidden;cursor:default}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,transparent,var(--green),transparent);opacity:0;transition:opacity .35s}
.feature-card:hover{border-color:#3a1c63;transform:translateY(-4px);
  box-shadow:0 12px 40px rgba(0,0,0,.3)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:48px;height:48px;border-radius:10px;background:#7c5cfc1f;
  display:grid;place-items:center;margin-bottom:1.25rem;font-size:1.3rem;
  border:1px solid #3a1c63}
.feature-card h3{font-size:1.1rem;font-weight:600;margin-bottom:.6rem}
.feature-card p{color:var(--text2);font-size:.88rem;font-weight:300;line-height:1.6}

/* VAULT DEMO */
.vault-demo{padding:7rem 2rem;background:var(--bg2);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.vault-container{max-width:1100px;margin:0 auto;display:grid;grid-template-columns:1fr 1fr;gap:4rem;align-items:center}
.vault-visual{position:relative}
.vault-box{background:var(--bg);border:1px solid var(--border);border-radius:16px;
  padding:2.5rem;position:relative;overflow:hidden}
.vault-box::before{content:'';position:absolute;inset:-1px;border-radius:17px;
  background:conic-gradient(from 0deg,var(--green),var(--cyan),var(--purple),var(--green));
  opacity:0;transition:opacity .5s;z-index:-1}
.vault-box.active::before{opacity:.3;animation:spin-border 4s linear infinite}
@keyframes spin-border{to{transform:rotate(360deg)}}
.vault-lock{width:80px;height:80px;margin:0 auto 1.5rem;position:relative;
  display:grid;place-items:center}
.vault-lock svg{width:60px;height:60px;stroke:var(--green);stroke-width:1.5;fill:none;
  transition:all .5s}
.vault-box.active .vault-lock svg{stroke:var(--cyan)}
.vault-status{text-align:center;font-family:'JetBrains Mono',monospace;font-size:.85rem;
  color:var(--text3);margin-bottom:1.5rem;transition:color .3s}
.vault-box.active .vault-status{color:var(--green)}
.vault-input-group{display:flex;gap:.5rem;margin-bottom:1rem}
.vault-input{flex:1;background:rgba(0,0,0,.3);border:1px solid var(--border);
  border-radius:6px;padding:.7rem 1rem;color:var(--text);font-family:'JetBrains Mono',monospace;
  font-size:.8rem;outline:none;transition:border-color .2s}
.vault-input:focus{border-color:var(--green)}
.vault-input::placeholder{color:var(--text3)}
.vault-btn{background:var(--green);color:var(--bg);border:none;padding:.7rem 1.5rem;
  border-radius:6px;font-family:'JetBrains Mono',monospace;font-size:.8rem;font-weight:600;
  cursor:pointer;transition:all .2s;white-space:nowrap}
.vault-btn:hover{background:var(--cyan)}
.vault-output{background:rgba(0,0,0,.3);border:1px solid var(--border);border-radius:8px;
  padding:1rem;font-family:'JetBrains Mono',monospace;font-size:.75rem;color:var(--text3);
  min-height:60px;word-break:break-all;line-height:1.5;transition:all .3s}
.vault-output.has-content{color:var(--green);border-color:#5e309d}

/* ENCRYPTION STRENGTH METER */
.strength-section{margin-top:2rem}
.strength-bar-bg{height:4px;background:rgba(255,255,255,.05);border-radius:2px;overflow:hidden;margin:.6rem 0}
.strength-bar-fill{height:100%;border-radius:2px;transition:width .5s,background .5s;width:0}
.strength-label{font-family:'JetBrains Mono',monospace;font-size:.7rem;display:flex;justify-content:space-between}

/* ARCHITECTURE */
.architecture{padding:7rem 2rem}
.arch-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--border);border-radius:12px;overflow:hidden}
.arch-node{background:var(--bg2);padding:2.5rem;text-align:center;transition:all .3s;cursor:default}
.arch-node:hover{background:var(--bg3)}
.arch-node-icon{font-size:2rem;margin-bottom:1rem}
.arch-node h4{font-size:.95rem;font-weight:600;margin-bottom:.5rem}
.arch-node p{color:var(--text3);font-size:.78rem;font-weight:300}

/* PRICING */
.pricing{padding:7rem 2rem;background:var(--bg2);border-top:1px solid var(--border)}
.pricing-grid{max-width:1000px;margin:0 auto;display:grid;grid-template-columns:repeat(3,1fr);gap:1.5rem}
.price-card{background:var(--bg);border:1px solid var(--border);border-radius:12px;
  padding:2.5rem 2rem;transition:all .3s;position:relative}
.price-card.featured{border-color:var(--green);box-shadow:0 0 60px rgba(157, 0, 255, 0.08)}
.price-card.featured::before{content:'POPULAR';position:absolute;top:-12px;left:50%;
  transform:translateX(-50%);background:var(--green);color:var(--bg);padding:.2rem 1rem;
  border-radius:100px;font-size:.65rem;font-weight:700;letter-spacing:.06em}
.price-tier{font-size:.8rem;color:var(--text3);text-transform:uppercase;letter-spacing:.08em;font-weight:500}
.price-amount{font-family:'JetBrains Mono',monospace;font-size:2.8rem;font-weight:700;
  margin:.75rem 0;color:var(--text)}
.price-amount span{font-size:1rem;color:var(--text3);font-weight:400}
.price-desc{color:var(--text2);font-size:.85rem;font-weight:300;margin-bottom:1.5rem;padding-bottom:1.5rem;
  border-bottom:1px solid var(--border)}
.price-features{list-style:none;margin-bottom:2rem}
.price-features li{padding:.4rem 0;color:var(--text2);font-size:.85rem;display:flex;align-items:center;gap:.5rem}
.price-features li::before{content:'✓';color:var(--green);font-weight:700;font-size:.75rem}
.price-btn{width:100%;padding:.75rem;border-radius:6px;border:1px solid var(--border);
  background:transparent;color:var(--text);font-family:inherit;font-weight:600;
  font-size:.85rem;cursor:pointer;transition:all .2s}
.price-btn:hover{border-color:var(--green);color:var(--green)}
.price-card.featured .price-btn{background:var(--green);color:var(--bg);border-color:var(--green)}
.price-card.featured .price-btn:hover{background:var(--cyan);border-color:var(--cyan)}

/* CTA */
.cta{padding:7rem 2rem;text-align:center;position:relative}
.cta-glow{position:absolute;width:500px;height:300px;
  background:radial-gradient(ellipse,rgba(153, 0, 255, 0.06),transparent);
  top:50%;left:50%;transform:translate(-50%,-50%);pointer-events:none}
.cta h2{font-size:2.6rem;font-weight:700;letter-spacing:-.02em;margin-bottom:1rem}
.cta p{color:var(--text2);font-size:1.05rem;font-weight:300;max-width:480px;margin:0 auto 2rem}

/* FOOTER */
footer{border-top:1px solid var(--border);padding:3rem 2rem 2rem;background:var(--bg2)}
.footer-inner{max-width:1100px;margin:0 auto;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:1rem}
.footer-copy{color:var(--text3);font-size:.8rem}
.footer-links{display:flex;gap:1.5rem}
.footer-links a{color:var(--text3);text-decoration:none;font-size:.8rem;transition:color .2s}
.footer-links a:hover{color:var(--green)}

/* OBSERVER ANIMATION */
.reveal{opacity:0;transform:translateY(30px);transition:opacity .7s,transform .7s}
.reveal.visible{opacity:1;transform:none}

/* RESPONSIVE */
@media(max-width:900px){
  .features-grid,.pricing-grid{grid-template-columns:1fr 1fr}
  .vault-container{grid-template-columns:1fr}
  .arch-grid{grid-template-columns:1fr 1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:640px){
  .features-grid,.pricing-grid,.arch-grid,.stats-grid{grid-template-columns:1fr}
  .nav-links{display:none}
  .mobile-menu{display:block}
  h1{font-size:2.4rem}
  .section-title{font-size:1.8rem}
}