:root{
  --bg:#0a0d1a;
  --bg-2:#10162b;
  --surface:#161d36;
  --card:#141a31;
  --border:rgba(120,140,200,.18);
  --text:#f0f3fb;
  --muted:#8a92ad;
  --cyan:#22d3ee;
  --blue:#3b82f6;
  --purple:#a855f7;
  --grad:linear-gradient(135deg,#22d3ee 0%,#3b82f6 45%,#a855f7 100%);
  --radius:14px;
  --shadow-glow:0 0 40px rgba(34,211,238,.35),0 0 80px rgba(168,85,247,.18);
  --font-display:'Space Grotesk',system-ui,sans-serif;
  --font-sans:'Inter',system-ui,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-sans);
  background:var(--bg);
  color:var(--text);
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -20%,rgba(59,130,246,.30),transparent 60%),
    radial-gradient(ellipse 60% 50% at 85% 80%,rgba(168,85,247,.18),transparent 60%);
  background-attachment:fixed;
  min-height:100vh;
  line-height:1.55;
}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{font-family:var(--font-display);letter-spacing:-.02em;line-height:1.1}
img,svg{display:block}
ul{list-style:none}

.container{max-width:1200px;margin:0 auto;padding:0 20px}
.center{text-align:center}
.mt-sm{margin-top:12px}.mt-lg{margin-top:40px}
.muted-sm{color:var(--muted);font-size:13px}
.hide-mobile{display:none}
@media(min-width:640px){.hide-mobile{display:inline-flex}}

.text-gradient{
  background:var(--grad);background-size:200% 200%;
  -webkit-background-clip:text;background-clip:text;color:transparent;
  animation:gradient 8s ease infinite;
}
.glass{
  background:rgba(22,29,54,.5);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border:1px solid var(--border);
}

/* Buttons */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 22px;border-radius:999px;font-weight:600;font-size:14px;
  border:none;cursor:pointer;transition:all .3s ease;white-space:nowrap;
}
.btn-sm{padding:10px 18px;font-size:13px}
.btn-lg{padding:16px 28px;font-size:15px}
.btn-block{display:flex;width:100%}
.btn-primary{
  background:var(--grad);color:#0a0d1a;
  box-shadow:0 8px 30px rgba(34,211,238,.25);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 12px 40px rgba(34,211,238,.45)}
.btn-ghost{
  background:rgba(22,29,54,.5);color:var(--text);
  border:1px solid var(--border);backdrop-filter:blur(20px);
}
.btn-ghost:hover{background:var(--surface)}

/* Header */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(10,13,26,.7);
  backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);
  border-bottom:1px solid var(--border);
}
.header-row{display:flex;align-items:center;justify-content:space-between;padding:14px 20px}
.logo{display:inline-flex;align-items:center;gap:10px;font-family:var(--font-display);font-weight:700;font-size:18px}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:9px;background:var(--grad);
  color:#0a0d1a;box-shadow:var(--shadow-glow);
}
.main-nav{display:none;gap:28px;font-size:14px;color:var(--muted)}
.main-nav a{transition:color .2s}
.main-nav a:hover{color:var(--text)}
.header-cta{display:flex;align-items:center;gap:10px}
.menu-btn{
  width:40px;height:40px;border-radius:10px;
  background:rgba(22,29,54,.6);border:1px solid var(--border);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.menu-btn span{width:18px;height:2px;background:var(--text);border-radius:2px}
.mobile-nav{display:none;flex-direction:column;gap:12px;padding:16px 20px;border-top:1px solid var(--border)}
.mobile-nav.open{display:flex}
.mobile-nav a{color:var(--muted);padding:6px 0}
@media(min-width:1024px){
  .main-nav{display:flex}
  .menu-btn{display:none}
  .mobile-nav{display:none!important}
}

/* Hero */
.hero{position:relative;overflow:hidden}
.grid-bg{
  position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(120,140,200,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(120,140,200,.08) 1px,transparent 1px);
  background-size:40px 40px;
  -webkit-mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000,transparent);
          mask-image:radial-gradient(ellipse 80% 60% at 50% 0%,#000,transparent);
}
.hero-grid{
  position:relative;display:grid;grid-template-columns:1fr;gap:48px;
  padding:60px 20px 80px;align-items:center;
}
@media(min-width:1024px){.hero-grid{grid-template-columns:1fr 1fr;padding:110px 20px 130px}}
.hero-text h1{font-size:clamp(34px,5vw,60px);font-weight:700;margin-top:20px}
.hero-text .lead{margin-top:22px;color:var(--muted);font-size:17px;max-width:540px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(22,29,54,.55);border:1px solid var(--border);
  padding:6px 14px;border-radius:999px;font-size:12px;color:var(--muted);
  backdrop-filter:blur(10px);
}
.dot{width:6px;height:6px;border-radius:50%;background:var(--cyan);animation:pulse 2.5s ease-in-out infinite}
.cta-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-mini{display:flex;flex-wrap:wrap;gap:22px;margin-top:22px;color:var(--muted);font-size:13px}

/* Hero visual */
.hero-visual{position:relative;height:520px;display:flex;align-items:center;justify-content:center}
.blur{position:absolute;border-radius:50%;filter:blur(80px);z-index:0}
.blur-cyan{width:320px;height:320px;background:var(--cyan);opacity:.2;top:50%;left:50%;transform:translate(-50%,-50%);animation:pulse 3s ease-in-out infinite}
.blur-purple{width:240px;height:240px;background:var(--purple);opacity:.2;top:30%;right:15%;animation:pulse 3s ease-in-out infinite 1.5s}
.phone{
  position:relative;z-index:1;width:270px;height:540px;border-radius:42px;
  background:linear-gradient(180deg,var(--surface),var(--card));
  border:1px solid var(--border);padding:12px;box-shadow:var(--shadow-glow);
}
.phone-inner{height:100%;width:100%;border-radius:32px;background:var(--bg);overflow:hidden;display:flex;flex-direction:column}
.phone-status{display:flex;justify-content:space-between;padding:10px 18px;font-size:11px;color:var(--muted)}
.phone-body{flex:1;padding:18px;display:flex;flex-direction:column;gap:12px}
.shield-wrap{display:flex;flex-direction:column;align-items:center;padding:18px 0}
.shield-circle{
  width:96px;height:96px;border-radius:50%;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#0a0d1a;position:relative;
}
.shield-circle.glow{box-shadow:var(--shadow-glow)}
.shield-circle::after{
  content:"";position:absolute;inset:-4px;border-radius:50%;
  border:2px solid var(--cyan);opacity:.5;animation:pulse 3s ease-in-out infinite;
}
.status-title{margin-top:14px;font-weight:600;font-size:14px}
.status-sub{color:var(--muted);font-size:12px}
.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.stat-card{
  background:rgba(22,29,54,.6);border:1px solid var(--border);border-radius:14px;
  padding:10px;text-align:center;font-size:12px;
}
.stat-card.row{display:flex;align-items:center;gap:8px;text-align:left;padding:12px;color:var(--muted)}
.stat-label{color:var(--muted);font-size:10px}
.stat-val{color:var(--cyan);font-weight:600;font-size:13px;margin-top:2px}
.floating-card{
  position:absolute;z-index:2;display:none;align-items:center;gap:8px;
  padding:10px 14px;border-radius:14px;font-size:12px;
  background:rgba(22,29,54,.7);border:1px solid var(--border);backdrop-filter:blur(20px);
}
.top-left{top:40px;left:-10px}
.bottom-right{bottom:60px;right:-10px}
@media(min-width:640px){.floating-card{display:inline-flex}}

/* Sections */
.section{padding:80px 0}
@media(min-width:768px){.section{padding:120px 0}}
.section-head{max-width:680px;margin:0 auto 56px;text-align:center}
.section-head h2{font-size:clamp(28px,3.8vw,46px);font-weight:700}
.section-head p{margin-top:14px;color:var(--muted)}
.tag{
  display:inline-block;background:rgba(22,29,54,.55);border:1px solid var(--border);
  padding:6px 14px;border-radius:999px;font-size:12px;color:var(--cyan);margin-bottom:16px;
}

/* Cards grid */
.cards-grid{display:grid;grid-template-columns:1fr;gap:16px}
@media(min-width:640px){.cards-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.cards-grid{grid-template-columns:repeat(4,1fr)}}
.feature-card{
  padding:24px;border-radius:18px;
  background:rgba(22,29,54,.5);border:1px solid var(--border);
  transition:transform .3s ease,border-color .3s;
}
.feature-card:hover{transform:translateY(-4px);border-color:rgba(34,211,238,.4)}
.feature-icon{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,rgba(34,211,238,.2),rgba(168,85,247,.2));
  color:var(--cyan);font-size:20px;margin-bottom:16px;
}
.feature-card h3{font-size:16px;font-weight:600;margin-bottom:6px}
.feature-card p{font-size:14px;color:var(--muted);line-height:1.6}

/* Steps */
.steps-grid{display:grid;grid-template-columns:1fr;gap:16px;position:relative}
@media(min-width:640px){.steps-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.steps-grid{grid-template-columns:repeat(4,1fr)}}
.step-card{position:relative;padding:24px;border-radius:18px;background:rgba(22,29,54,.5);border:1px solid var(--border)}
.step-num{font-family:var(--font-display);font-weight:700;font-size:46px;opacity:.85}
.step-card h3{margin-top:14px;font-size:18px;font-weight:600}
.step-card p{margin-top:8px;font-size:14px;color:var(--muted)}

/* Pricing */
.pricing-wrap{max-width:480px;margin:0 auto;position:relative}
.price-glow{
  position:absolute;inset:-3px;border-radius:28px;background:var(--grad);
  filter:blur(20px);opacity:.5;animation:pulse 3s ease-in-out infinite;
}
.price-card{position:relative;border-radius:26px;padding:36px}
.price-head{display:flex;justify-content:space-between;align-items:start}
.price-title{font-family:var(--font-display);font-weight:700;font-size:22px;margin-top:4px}
.badge{
  font-size:11px;padding:4px 10px;border-radius:999px;
  background:rgba(34,211,238,.12);color:var(--cyan);border:1px solid rgba(34,211,238,.3);
}
.price-row{display:flex;align-items:baseline;gap:8px;margin-top:24px}
.price-num{font-family:var(--font-display);font-weight:700;font-size:64px;line-height:1}
.price-cur{font-size:24px;color:var(--muted)}
.price-list{margin:28px 0;display:flex;flex-direction:column;gap:12px}
.price-list li{position:relative;padding-left:30px;font-size:14px}
.price-list li::before{
  content:"✓";position:absolute;left:0;top:0;
  width:20px;height:20px;border-radius:50%;
  background:rgba(34,211,238,.15);color:var(--cyan);
  display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;
}

/* Trust */
.trust-grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:24px;
  padding:40px;border-radius:24px;background:rgba(22,29,54,.4);border:1px solid var(--border);
}
@media(min-width:768px){.trust-grid{grid-template-columns:repeat(4,1fr)}}
.trust-item{text-align:center}
.trust-num{font-family:var(--font-display);font-weight:700;font-size:36px;margin-bottom:6px}

/* FAQ */
.faq-container{max-width:780px}
.faq{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:rgba(22,29,54,.5);border:1px solid var(--border);border-radius:16px;overflow:hidden;
}
.faq-q{
  width:100%;background:none;border:none;color:var(--text);
  padding:20px 22px;font-size:15px;font-weight:500;font-family:inherit;
  display:flex;align-items:center;justify-content:space-between;gap:16px;cursor:pointer;text-align:left;
}
.faq-q::after{content:"+";font-size:22px;color:var(--cyan);transition:transform .3s}
.faq-item.open .faq-q::after{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;color:var(--muted);font-size:14px;line-height:1.6}
.faq-a-inner{padding:0 22px 20px}
.faq-item.open .faq-a{max-height:300px}

/* Footer */
.site-footer{border-top:1px solid var(--border);padding:60px 0 30px;margin-top:40px;background:rgba(10,13,26,.5)}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px;margin-bottom:40px}
@media(min-width:768px){.footer-grid{grid-template-columns:2fr 1fr 1fr 1fr}}
.footer-grid a{display:block;color:var(--muted);font-size:14px;padding:4px 0;transition:color .2s}
.footer-grid a:hover{color:var(--text)}
.foot-title{font-weight:600;margin-bottom:12px;font-size:14px}
.foot-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:24px;border-top:1px solid var(--border);
}

/* Animations */
@keyframes gradient{0%,100%{background-position:0% 50%}50%{background-position:100% 50%}}
@keyframes pulse{0%,100%{opacity:.5;transform:scale(1)}50%{opacity:.85;transform:scale(1.05)}}
@keyframes float{0%,100%{transform:translateY(0)}50%{transform:translateY(-18px)}}
@keyframes fadeUp{from{opacity:0;transform:translateY(24px)}to{opacity:1;transform:translateY(0)}}
.float{animation:float 6s ease-in-out infinite}
.float-slow{animation:float 7s ease-in-out infinite 1s}
.float-slower{animation:float 8s ease-in-out infinite 2s}
.fade-up{animation:fadeUp .8s ease-out both}
.reveal{opacity:0;transform:translateY(24px);transition:opacity .7s ease,transform .7s ease}
.reveal.in{opacity:1;transform:none}