/* ============================================================
   PingYab landing — v1
   Edit tokens below to restyle the whole site.
   ============================================================ */
:root{
  --bg:#0a0d14;
  --bg-soft:#111624;
  --surface:#151b2c;
  --border:#232c44;
  --text:#e8ecf6;
  --muted:#98a3bd;
  --brand:#4f8cff;
  --brand-2:#22d3a6;
  --radius:16px;
  --max:1140px;
  --font:"Vazirmatn","Segoe UI",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  background:var(--bg);color:var(--text);font-family:var(--font);
  line-height:1.9;overflow-x:hidden;-webkit-font-smoothing:antialiased;
}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
section{padding:96px 0;position:relative}
h1,h2,h3{line-height:1.5;font-weight:800}
h2{font-size:clamp(1.6rem,3.4vw,2.3rem);margin-bottom:14px}
.lead{color:var(--muted);font-size:1.03rem;max-width:620px}
.center{text-align:center}
.center .lead{margin-inline:auto}

/* --- buttons --- */
.btn{
  display:inline-flex;align-items:center;gap:8px;padding:13px 26px;border-radius:999px;
  font-weight:700;font-size:.97rem;text-decoration:none;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease;
}
.btn-primary{background:linear-gradient(135deg,var(--brand),#7aa8ff);color:#06121f;box-shadow:0 8px 28px -10px var(--brand)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 34px -10px var(--brand)}
.btn-ghost{border-color:var(--border);color:var(--text);background:rgba(255,255,255,.02)}
.btn-ghost:hover{border-color:var(--brand);transform:translateY(-2px)}

/* --- header --- */
header{
  position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(10,13,20,.78);border-bottom:1px solid var(--border);
}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px}
.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.15rem;text-decoration:none;color:var(--text)}
.logo span{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--brand),var(--brand-2));display:grid;place-items:center;font-size:1rem}
.nav-links{display:flex;gap:26px;list-style:none}
.nav-links a{color:var(--muted);text-decoration:none;font-size:.94rem;transition:color .2s}
.nav-links a:hover{color:var(--text)}
.menu-btn{display:none;background:none;border:0;color:var(--text);font-size:1.5rem;cursor:pointer}

/* --- hero --- */
.hero{padding:120px 0 90px;text-align:center}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(700px 340px at 50% -40px,rgba(79,140,255,.20),transparent 70%);
}
.hero h1{font-size:clamp(2rem,5.4vw,3.4rem);margin-bottom:20px}
.grad{background:linear-gradient(135deg,var(--brand),var(--brand-2));-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .lead{margin:0 auto 34px}
.hero-cta{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.badge{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:999px;
  border:1px solid var(--border);background:var(--bg-soft);color:var(--muted);
  font-size:.82rem;margin-bottom:22px;
}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand-2);box-shadow:0 0 0 4px rgba(34,211,166,.16)}

/* --- generic grid + cards --- */
.grid{display:grid;gap:22px;margin-top:48px}
.g3{grid-template-columns:repeat(auto-fit,minmax(280px,1fr))}
.g4{grid-template-columns:repeat(auto-fit,minmax(215px,1fr))}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);
  padding:28px;transition:transform .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--brand)}
.card .ico{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;font-size:1.3rem;
  background:rgba(79,140,255,.12);border:1px solid rgba(79,140,255,.25);margin-bottom:16px;
}
.card h3{font-size:1.06rem;margin-bottom:8px}
.card p{color:var(--muted);font-size:.93rem}

/* --- steps --- */
.step-num{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;font-weight:800;
  background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#06121f;margin-bottom:16px;
}

/* --- pricing --- */
.price-card{text-align:center;position:relative}
.price-card.featured{border-color:var(--brand);background:linear-gradient(180deg,rgba(79,140,255,.08),var(--surface))}
.tag{
  position:absolute;top:-12px;inset-inline-start:50%;transform:translateX(50%);
  background:var(--brand);color:#06121f;font-size:.72rem;font-weight:800;padding:4px 14px;border-radius:999px;
}
.price{font-size:2rem;font-weight:800;margin:10px 0 4px}
.price small{font-size:.85rem;color:var(--muted);font-weight:500}
.plan-feats{list-style:none;margin:20px 0;text-align:start}
.plan-feats li{color:var(--muted);font-size:.92rem;padding:7px 0;border-bottom:1px dashed var(--border)}
.plan-feats li::before{content:"✓";color:var(--brand-2);font-weight:800;margin-inline-end:9px}

/* --- faq --- */
.faq{max-width:780px;margin:44px auto 0}
details{background:var(--surface);border:1px solid var(--border);border-radius:14px;padding:18px 22px;margin-bottom:12px}
details[open]{border-color:var(--brand)}
summary{cursor:pointer;font-weight:700;list-style:none;display:flex;justify-content:space-between;align-items:center;gap:12px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-size:1.4rem;color:var(--brand);transition:transform .25s}
details[open] summary::after{transform:rotate(45deg)}
details p{color:var(--muted);font-size:.93rem;margin-top:12px}

/* --- cta --- */
.cta-box{
  background:linear-gradient(135deg,rgba(79,140,255,.13),rgba(34,211,166,.09));
  border:1px solid var(--border);border-radius:24px;padding:60px 28px;text-align:center;
}

/* --- footer --- */
footer{border-top:1px solid var(--border);padding:38px 0;background:var(--bg-soft)}
.foot{display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap}
.foot p{color:var(--muted);font-size:.87rem}
.foot nav{display:flex;gap:20px}
.foot a{color:var(--muted);text-decoration:none;font-size:.87rem}
.foot a:hover{color:var(--brand)}

/* --- reveal animation --- */
.reveal{opacity:0;transform:translateY(22px);transition:opacity .6s ease,transform .6s ease}
.reveal.in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  .reveal{opacity:1;transform:none;transition:none}
  html{scroll-behavior:auto}
}

/* --- responsive --- */
@media(max-width:820px){
  .nav-links{
    display:none;position:absolute;top:68px;inset-inline:0;flex-direction:column;
    background:var(--bg-soft);border-bottom:1px solid var(--border);padding:18px 24px;gap:16px;
  }
  .nav-links.open{display:flex}
  .menu-btn{display:block}
  section{padding:70px 0}
}