:root{
  --bg-deep: #090C16;
  --bg-panel: #10152A;
  --bg-panel-2: #151B35;
  --line: rgba(148,163,197,0.14);
  --text-main: #EAEEF7;
  --text-mute: #8B93AD;
  --signal-cyan: #33E5C0;
  --signal-violet: #8C7BFF;
  --signal-amber: #FFB454;
}
*{margin:0;padding:0;box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-deep);
  color:var(--text-main);
  font-family:'Vazirmatn', sans-serif;
  line-height:1.7;
  overflow-x:hidden;
}
.mono{font-family:'JetBrains Mono', monospace; direction:ltr; unicode-bidi:isolate;}
a{color:inherit; text-decoration:none;}
img,svg{display:block; max-width:100%;}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:0.01ms !important; animation-iteration-count:1 !important; transition-duration:0.01ms !important;}
}

/* ---------- background mesh ---------- */
.mesh{
  position:fixed; inset:0; z-index:0; pointer-events:none;
  background:
    radial-gradient(60% 40% at 80% 0%, rgba(140,123,255,0.16), transparent 60%),
    radial-gradient(50% 35% at 10% 15%, rgba(51,229,192,0.12), transparent 60%);
}

.wrap{max-width:1080px; margin:0 auto; padding:0 24px; position:relative; z-index:1;}

/* ---------- nav ---------- */
nav{
  display:flex; align-items:center; justify-content:space-between;
  padding:22px 24px; max-width:1080px; margin:0 auto; position:relative; z-index:20;
}
.brand{display:flex; align-items:center; gap:10px; font-weight:700; font-size:1.05rem;}
.brand-dot{width:10px; height:10px; border-radius:50%; background:var(--signal-cyan); box-shadow:0 0 14px 3px rgba(51,229,192,0.7);}
.nav-right{display:flex; align-items:center; gap:12px;}
.nav-cta{
  font-size:.85rem; padding:9px 18px; border-radius:100px;
  border:1px solid var(--line); color:var(--text-main);
  transition:border-color .2s ease, background .2s ease;
}
.nav-cta:hover{border-color:var(--signal-cyan); background:rgba(51,229,192,0.06);}

/* ---------- drawer / hamburger menu ---------- */
.menu-btn{
  width:42px; height:42px; border-radius:12px; border:1px solid var(--line);
  background:var(--bg-panel); display:flex; align-items:center; justify-content:center;
  cursor:pointer; flex-direction:column; gap:4px;
}
.menu-btn span{width:18px; height:2px; background:var(--text-main); border-radius:2px; transition:.2s ease;}
.menu-btn:hover{border-color:var(--signal-cyan);}

.drawer-overlay{
  position:fixed; inset:0; background:rgba(4,6,14,0.6); backdrop-filter:blur(2px);
  z-index:30; opacity:0; pointer-events:none; transition:opacity .25s ease;
}
.drawer-overlay.open{opacity:1; pointer-events:auto;}

.drawer{
  position:fixed; top:0; inset-inline-end:0; height:100%; width:min(300px, 84vw);
  background:var(--bg-panel); border-inline-start:1px solid var(--line);
  z-index:31; padding:26px 22px; display:flex; flex-direction:column; gap:6px;
  transform:translateX(100%); transition:transform .28s ease;
}
[dir="rtl"] .drawer{transform:translateX(-100%);}
.drawer.open{transform:translateX(0);}

.drawer-head{display:flex; justify-content:space-between; align-items:center; margin-bottom:22px;}
.drawer-head .brand{font-size:1rem;}
.drawer-close{
  width:34px; height:34px; border-radius:10px; border:1px solid var(--line);
  background:transparent; color:var(--text-main); font-size:1.1rem; cursor:pointer;
}
.drawer a.drawer-link{
  padding:13px 12px; border-radius:12px; font-weight:600; font-size:.98rem;
  color:var(--text-main); transition:background .2s ease;
}
.drawer a.drawer-link:hover, .drawer a.drawer-link.active{
  background:rgba(51,229,192,0.09); color:var(--signal-cyan);
}
.drawer .drawer-cta{margin-top:18px;}

/* ---------- hero ---------- */
.hero{
  position:relative; z-index:1;
  padding:64px 0 40px;
  text-align:center;
}
.eyebrow{
  display:inline-flex; align-items:center; gap:8px;
  font-size:.8rem; color:var(--signal-cyan);
  background:rgba(51,229,192,0.08); border:1px solid rgba(51,229,192,0.25);
  padding:7px 16px; border-radius:100px; margin-bottom:28px;
}
.pulse-dot{width:7px; height:7px; border-radius:50%; background:var(--signal-cyan); animation:blink 1.6s infinite;}
@keyframes blink{0%,100%{opacity:1;}50%{opacity:.25;}}

h1{
  font-size:clamp(2.3rem, 5.5vw, 4.1rem);
  font-weight:900; letter-spacing:-0.02em; line-height:1.18;
  max-width:820px; margin:0 auto 22px;
}
h1 .grad{
  background:linear-gradient(90deg, var(--signal-cyan), var(--signal-violet));
  -webkit-background-clip:text; background-clip:text; color:transparent;
}
.sub{
  max-width:600px; margin:0 auto 40px; color:var(--text-mute); font-size:1.08rem;
}

.cta-row{display:flex; gap:14px; justify-content:center; flex-wrap:wrap; margin-bottom:56px;}
.btn-primary, .btn-ghost{
  padding:15px 30px; border-radius:14px; font-weight:700; font-size:1rem;
  display:inline-flex; align-items:center; gap:10px;
}
.btn-primary{
  background:linear-gradient(90deg, var(--signal-cyan), var(--signal-violet));
  color:#081018;
  box-shadow:0 8px 30px -8px rgba(51,229,192,0.5);
  transition:transform .18s ease;
}
.btn-primary:hover{transform:translateY(-2px);}
.btn-ghost{border:1px solid var(--line); color:var(--text-main);}

/* ---------- signature: live pulse waveform ---------- */
.signal-panel{
  max-width:760px; margin:0 auto; border:1px solid var(--line);
  background:linear-gradient(180deg, var(--bg-panel), var(--bg-panel-2));
  border-radius:20px; padding:28px 20px 18px; position:relative; overflow:hidden;
}
.signal-panel::before{
  content:''; position:absolute; inset:0;
  background:linear-gradient(90deg, transparent, rgba(51,229,192,0.05), transparent);
}
.wave-row{display:flex; align-items:center; justify-content:space-between; gap:20px; position:relative;}
.wave-svg{flex:1; height:56px;}
.wave-svg path{
  fill:none; stroke:url(#waveGrad); stroke-width:2.4;
  stroke-dasharray:600; stroke-dashoffset:600;
  animation:draw 2.4s ease-in-out infinite;
}
@keyframes draw{
  0%{stroke-dashoffset:600;}
  50%{stroke-dashoffset:0;}
  100%{stroke-dashoffset:-600;}
}
.latency{
  text-align:center; padding-inline-start:20px; border-inline-start:1px solid var(--line);
  min-width:120px;
}
.latency .num{font-size:1.9rem; font-weight:700; color:var(--signal-cyan);}
.latency .lbl{font-size:.72rem; color:var(--text-mute); margin-top:2px;}
.stat-strip{
  display:flex; justify-content:space-around; margin-top:22px; padding-top:18px;
  border-top:1px solid var(--line); flex-wrap:wrap; gap:14px;
}
.stat{text-align:center;}
.stat .num{font-size:1.3rem; font-weight:700;}
.stat .lbl{font-size:.78rem; color:var(--text-mute);}

/* ---------- generic sections ---------- */
section{padding:88px 0; position:relative; z-index:1;}
.page-hero{padding:56px 0 20px; text-align:center;}
.page-hero h1{font-size:clamp(2rem,4.5vw,3rem);}
.section-head{text-align:center; max-width:560px; margin:0 auto 56px;}
.section-head.left{text-align:start; margin:0 0 40px;}
.section-head .tag{color:var(--signal-violet); font-size:.82rem; font-weight:700; margin-bottom:10px; display:block;}
.section-head h2{font-size:clamp(1.6rem,3.5vw,2.3rem); font-weight:900; letter-spacing:-0.01em;}
.section-head p{color:var(--text-mute); margin-top:12px;}

.grid3{display:grid; grid-template-columns:repeat(3,1fr); gap:20px;}
@media (max-width:820px){.grid3{grid-template-columns:1fr;}}
.grid2{display:grid; grid-template-columns:repeat(2,1fr); gap:20px;}
@media (max-width:820px){.grid2{grid-template-columns:1fr;}}

.card{
  background:var(--bg-panel); border:1px solid var(--line); border-radius:18px;
  padding:30px 26px; transition:border-color .2s ease, transform .2s ease;
}
.card:hover{border-color:rgba(51,229,192,0.35); transform:translateY(-4px);}
.card .icon{
  width:44px; height:44px; border-radius:12px; display:flex; align-items:center; justify-content:center;
  background:rgba(51,229,192,0.1); margin-bottom:18px; color:var(--signal-cyan); font-size:1.3rem;
}
.card h3{font-size:1.08rem; font-weight:700; margin-bottom:8px;}
.card p{color:var(--text-mute); font-size:.92rem;}

.article{max-width:760px; margin:0 auto;}
.article h2{font-size:1.4rem; font-weight:800; margin:38px 0 14px;}
.article h2:first-child{margin-top:0;}
.article p{color:var(--text-mute); font-size:1rem; margin-bottom:14px;}
.article ul{color:var(--text-mute); padding-inline-start:22px; margin-bottom:14px;}
.article li{margin-bottom:8px;}

/* ---------- how it works / steps ---------- */
.steps{max-width:720px; margin:0 auto;}
.step{
  display:flex; gap:20px; align-items:flex-start;
  padding:26px 0; border-bottom:1px solid var(--line);
}
.step:last-child{border-bottom:none;}
.step .idx{
  font-family:'JetBrains Mono', monospace; font-weight:700; font-size:1rem;
  color:var(--signal-cyan); min-width:34px;
}
.step h4{font-size:1.02rem; font-weight:700; margin-bottom:5px;}
.step p{color:var(--text-mute); font-size:.92rem;}

/* ---------- faq ---------- */
.faq-item{border-bottom:1px solid var(--line); padding:20px 0;}
.faq-item summary{cursor:pointer; font-weight:700; list-style:none; display:flex; justify-content:space-between; align-items:center; gap:12px;}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:'+'; color:var(--signal-cyan); font-size:1.3rem; font-weight:400;}
.faq-item[open] summary::after{content:'−';}
.faq-item p{color:var(--text-mute); margin-top:12px; font-size:.94rem; max-width:640px;}
.faq-item ul{color:var(--text-mute); margin-top:10px; padding-inline-start:20px; font-size:.94rem;}

/* ---------- final cta ---------- */
.final-cta{
  text-align:center; border:1px solid var(--line); border-radius:24px;
  padding:64px 30px; background:linear-gradient(180deg, var(--bg-panel), transparent);
  max-width:900px; margin:0 auto;
}
.final-cta h2{font-size:clamp(1.6rem,4vw,2.4rem); font-weight:900; margin-bottom:16px;}
.final-cta p{color:var(--text-mute); margin-bottom:30px;}

footer{
  padding:36px 0 46px; text-align:center; color:var(--text-mute); font-size:.85rem;
  border-top:1px solid var(--line); position:relative; z-index:1;
}