/* ============================================================
   FB Checker Pro — official download page
   Palette: dark navy #05070f / green #20d060 / cyan #00d0e0
   ============================================================ */
:root{
  --bg:#05070f;
  --bg2:#0a0f1e;
  --card:#0d1424;
  --card2:#101a31;
  --green:#20d060;
  --cyan:#00d0e0;
  --grad:linear-gradient(135deg,#20d060 0%,#00d0e0 100%);
  --txt:#eaf2ff;
  --muted:#93a4c7;
  --line:rgba(120,170,255,.14);
  --radius:20px;
  --shadow:0 20px 60px rgba(0,0,0,.5);
  --font:'Cairo',system-ui,-apple-system,'Segoe UI',sans-serif;
  --font-latin:'Space Grotesk','Cairo',sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  background:var(--bg);
  color:var(--txt);
  overflow-x:hidden;
  min-height:100vh;
}
::selection{background:rgba(32,208,96,.35)}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
code{font-family:ui-monospace,'Space Grotesk',monospace;font-size:.78rem}

/* ---------- background layers ---------- */
#net{position:fixed;inset:0;z-index:0;opacity:.55}
.orb{position:fixed;border-radius:50%;filter:blur(110px);z-index:0;pointer-events:none}
.orb-a{width:560px;height:560px;background:radial-gradient(circle,rgba(32,208,96,.16),transparent 65%);top:-180px;right:-120px;animation:drift 14s ease-in-out infinite alternate}
.orb-b{width:640px;height:640px;background:radial-gradient(circle,rgba(0,208,224,.13),transparent 65%);bottom:-220px;left:-160px;animation:drift 18s ease-in-out infinite alternate-reverse}
@keyframes drift{to{transform:translate3d(40px,30px,0) scale(1.08)}}
.grain{position:fixed;inset:0;z-index:0;pointer-events:none;opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E")}

main,header,.footer{position:relative;z-index:1}

/* ---------- nav ---------- */
.nav{position:sticky;top:0;z-index:50;backdrop-filter:blur(14px);
  background:rgba(5,7,15,.72);border-bottom:1px solid var(--line)}
.nav-inner{max-width:1180px;margin:0 auto;padding:14px 22px;display:flex;align-items:center;gap:26px}
.brand{display:flex;align-items:center;gap:11px}
.brand-icon{width:38px;height:38px;border-radius:10px;box-shadow:0 0 0 1px rgba(255,255,255,.12),0 8px 22px rgba(32,208,96,.35)}
.brand-name{font-weight:800;font-size:1.08rem;letter-spacing:.2px}
.brand-name b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.nav-links{display:flex;gap:26px;margin-inline-start:14px}
.nav-links a{color:var(--muted);font-weight:600;font-size:.94rem;transition:.2s;position:relative}
.nav-links a::after{content:"";position:absolute;bottom:-6px;inset-inline-start:0;width:0;height:2px;background:var(--grad);border-radius:2px;transition:.25s}
.nav-links a:hover,.nav-links a:focus{color:var(--txt)}
.nav-links a:hover::after{width:100%}
.nav-actions{margin-inline-start:auto;display:flex;align-items:center;gap:14px}
.lang-switch{display:flex;border:1px solid var(--line);border-radius:999px;overflow:hidden}
.lang-btn{background:transparent;border:0;color:var(--muted);padding:5px 12px;font-family:var(--font);font-weight:700;cursor:pointer;transition:.2s;font-size:.85rem}
.lang-btn.active{background:var(--grad);color:#04140a}
.burger{display:none;background:none;border:0;cursor:pointer;flex-direction:column;gap:5px;padding:6px}
.burger span{width:24px;height:2px;background:var(--txt);border-radius:2px;transition:.25s}
.burger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.burger.open span:nth-child(2){opacity:0}
.burger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:9px;border-radius:14px;
  font-family:var(--font);font-weight:800;font-size:.98rem;cursor:pointer;transition:all .22s ease;border:0}
.btn-solid{background:var(--grad);color:#04140a;padding:9px 20px}
.btn-solid:hover{transform:translateY(-1px);box-shadow:0 10px 28px rgba(32,208,96,.45)}
.btn-grad{background:var(--grad);color:#04140a;position:relative;overflow:hidden;padding:14px 34px}
.btn-grad::after{content:"";position:absolute;inset:0;background:linear-gradient(105deg,transparent 40%,rgba(255,255,255,.55) 50%,transparent 60%);
  transform:translateX(-120%);transition:transform .6s ease}
.btn-grad:hover::after{transform:translateX(120%)}
.btn-grad:hover{box-shadow:0 14px 40px rgba(32,208,96,.5);transform:translateY(-2px)}
.btn-ghost{background:rgba(255,255,255,.04);color:var(--txt);border:1px solid var(--line);padding:14px 34px}
.btn-ghost:hover{border-color:rgba(32,208,96,.6);background:rgba(32,208,96,.08);transform:translateY(-2px)}
.btn-sm{padding:8px 18px;font-size:.88rem}
.btn-lg{font-size:1.05rem}
.btn-block{width:100%;padding:13px 20px;font-size:1rem}
.ota-btn.hidden,.hidden{display:none!important}
.ota-note{font-size:.82rem;color:var(--muted);margin-top:8px;text-align:center}

/* ---------- hero ---------- */
.hero{position:relative;padding:96px 22px 40px;overflow:hidden}
.hero-glow{position:absolute;inset:0;background:radial-gradient(ellipse 60% 45% at 50% 0%,rgba(32,208,96,.10),transparent 70%);pointer-events:none}
.hero-inner{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center}
.pill{display:inline-flex;align-items:center;gap:8px;background:rgba(32,208,96,.1);border:1px solid rgba(32,208,96,.35);
  color:var(--green);font-weight:700;font-size:.84rem;padding:7px 16px;border-radius:999px;margin-bottom:20px}
.pill::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green);box-shadow:0 0 12px var(--green)}
.pill-section{background:rgba(0,208,224,.08);border-color:rgba(0,208,224,.3);color:var(--cyan)}
.hero-title{font-size:clamp(2.1rem,5vw,3.6rem);font-weight:900;line-height:1.25;margin-bottom:20px}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{color:var(--muted);font-size:1.08rem;line-height:1.9;max-width:560px;margin-bottom:32px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:38px}
.hero-chips{display:flex;gap:12px;flex-wrap:wrap}
.chip{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.04);border:1px solid var(--line);
  padding:9px 16px;border-radius:999px;color:var(--muted);font-size:.86rem;font-weight:600}
.chip svg{width:16px;height:16px;color:var(--green)}
.hero-visual{display:flex;justify-content:center}
.phone-wrap{position:relative;width:240px;height:240px;display:flex;align-items:center;justify-content:center}
.phone-ring{position:absolute;inset:0;border-radius:50%;border:1px dashed rgba(32,208,96,.4);animation:spin 26s linear infinite}
.phone-ring::before,.phone-ring::after{content:"";position:absolute;width:14px;height:14px;border-radius:50%;background:var(--green)}
.phone-ring::before{top:6px;left:50%;transform:translateX(-50%);box-shadow:0 0 18px var(--green)}
.phone-ring::after{bottom:6px;left:50%;transform:translateX(-50%);background:var(--cyan);box-shadow:0 0 18px var(--cyan)}
@keyframes spin{to{transform:rotate(360deg)}}
.app-icon{width:168px;height:168px;border-radius:36px;box-shadow:
  0 0 0 1px rgba(255,255,255,.14),0 30px 80px rgba(32,208,96,.4),0 0 120px rgba(0,208,224,.25);
  animation:float 5s ease-in-out infinite}
@keyframes float{50%{transform:translateY(-12px)}}
.phone-badge{position:absolute;bottom:6px;inset-inline-start:-14px;background:var(--card2);border:1px solid var(--line);
  border-radius:14px;padding:8px 14px;display:flex;flex-direction:column;align-items:center;box-shadow:var(--shadow);animation:float 6s ease-in-out infinite}
.phone-badge b{font-size:1.25rem;font-family:var(--font-latin);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.phone-badge span{font-size:.7rem;color:var(--muted)}
.hero-stats{max-width:1180px;margin:70px auto 0;display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.stat{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:var(--radius);
  padding:20px;text-align:center;backdrop-filter:blur(8px)}
.stat b{display:block;font-size:1.7rem;font-family:var(--font-latin);background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;margin-bottom:2px}
.stat span{color:var(--muted);font-size:.85rem}

/* ---------- sections ---------- */
.section{padding:90px 22px;max-width:1180px;margin:0 auto}
.section-alt{border-block:1px solid var(--line);background:linear-gradient(180deg,rgba(10,15,30,.6),transparent)}
.section-head{text-align:center;margin-bottom:52px}
.section-head h2{font-size:clamp(1.6rem,3.4vw,2.5rem);font-weight:900;margin-bottom:12px}
.section-head p{color:var(--muted);max-width:560px;margin:0 auto;line-height:1.8}

/* ---------- download cards ---------- */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{background:linear-gradient(180deg,var(--card),var(--bg2));border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 26px;display:flex;flex-direction:column;gap:14px;position:relative;transition:all .3s ease;
  overflow:hidden;backdrop-filter:blur(8px)}
.card::before{content:"";position:absolute;top:0;inset-inline-start:0;width:100%;height:3px;background:var(--grad);opacity:0;transition:.3s}
.card:hover{transform:translateY(-6px);border-color:rgba(32,208,96,.45);box-shadow:0 24px 60px rgba(0,0,0,.5),0 0 60px rgba(32,208,96,.08)}
.card:hover::before{opacity:1}
.card-top{display:flex;align-items:center;justify-content:space-between}
.plat-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center}
.plat-icon svg{width:30px;height:30px}
.plat-ios{background:linear-gradient(135deg,#0e1a2e,#1c2f4d);color:#9ec9ff}
.plat-android{background:linear-gradient(135deg,#0d2619,#123a26);color:#6fdc9d}
.plat-win{background:linear-gradient(135deg,#0d1c33,#14305a);color:#7cb3ff}
.os-tag{font-size:.72rem;font-weight:700;color:var(--muted);background:rgba(255,255,255,.05);border:1px solid var(--line);padding:4px 11px;border-radius:999px}
.card h3{font-size:1.28rem;font-weight:800}
.card h3 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.card-desc{color:var(--muted);font-size:.92rem;line-height:1.8;min-height:66px}
.feat-list{list-style:none;display:flex;flex-direction:column;gap:8px;margin-bottom:6px}
.feat-list li{color:#cdd9f2;font-size:.9rem;display:flex;gap:9px;align-items:flex-start}
.feat-list li::before{content:"✓";color:var(--green);font-weight:900;flex-shrink:0}
.card-meta{display:flex;align-items:center;justify-content:space-between;border-block:1px dashed var(--line);padding-block:12px;margin-top:auto}
.card-meta span{color:var(--muted);font-family:var(--font-latin);font-size:.9rem;font-weight:600}
.card-meta .ver{color:var(--cyan)}

/* ---------- professional price list ---------- */
.price-list{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background:linear-gradient(180deg,var(--card),var(--bg2));max-width:920px;margin:0 auto;box-shadow:0 20px 60px rgba(0,0,0,.35)}
.price-list-head,.price-row{display:grid;grid-template-columns:1.4fr 1fr 1fr 170px;align-items:center;gap:12px;padding:16px 26px}
.price-list-head{background:rgba(255,255,255,.05);border-bottom:1px solid var(--line);color:var(--muted);font-weight:800;font-size:.85rem;letter-spacing:.3px}
.price-row{border-bottom:1px solid var(--line);transition:background .2s}
.price-row:last-child{border-bottom:0}
.price-row:hover{background:rgba(32,208,96,.05)}
.price-row-best{background:linear-gradient(90deg,rgba(0,208,224,.1),rgba(32,208,96,.06));box-shadow:inset 4px 0 0 var(--green)}
.pl-name{font-weight:800;font-size:1.05rem;display:flex;align-items:center;gap:10px}
.pl-iqd{font-weight:900;font-size:1.2rem;color:var(--green);font-family:var(--font-latin)}
.pl-iqd small{color:var(--muted);font-weight:700;font-size:.75rem;font-family:var(--font);margin-inline-start:3px}
.pl-usd{font-weight:800;font-size:1.05rem;color:var(--cyan);font-family:var(--font-latin)}
.pl-btn{justify-self:end;width:100%;text-align:center;padding:10px 12px;font-size:.85rem}
.best-tag{background:var(--grad);color:#04140a;font-size:.68rem;font-weight:900;padding:3px 10px;border-radius:999px;letter-spacing:.4px;white-space:nowrap}
.pr-foot{margin:14px 0 34px;text-align:center;color:var(--muted);font-size:.85rem}

/* ---------- payment methods ---------- */
.pay-methods{display:flex;align-items:center;justify-content:center;gap:12px;flex-wrap:wrap;margin-bottom:48px}
.pay-label{color:var(--muted);font-weight:700;font-size:.9rem;margin-inline-end:4px}
.pay-badge{display:inline-flex;align-items:center;gap:8px;border:1px solid var(--line);background:rgba(255,255,255,.045);color:#d7e4ff;
  font-weight:800;font-size:.82rem;padding:9px 16px;border-radius:12px;font-family:var(--font-latin);transition:.2s}
.pay-badge:hover{transform:translateY(-2px)}
.pay-badge svg{width:17px;height:17px}
.pay-visa{color:#6f96ff;border-color:rgba(111,150,255,.4)}
.pay-mc{color:#ff8b7d;border-color:rgba(255,139,125,.4)}
.pay-zain{color:#3ddc84;border-color:rgba(61,220,132,.4)}
.pay-asia{color:#ffb64d;border-color:rgba(255,182,77,.4)}
.pay-usdt{color:#41e0be;border-color:rgba(65,224,190,.4)}
.pay-cash{color:#9fe07a;border-color:rgba(159,224,122,.4)}

/* ---------- activation guide ---------- */
.act-box{border:1px solid rgba(0,208,224,.32);border-radius:var(--radius);padding:32px;background:linear-gradient(135deg,rgba(0,208,224,.07),rgba(32,208,96,.05));
  max-width:760px;margin:0 auto}
.act-box h3{font-size:1.25rem;font-weight:900;margin-bottom:22px;color:var(--txt)}
.act-steps{list-style:none;counter-reset:act;display:flex;flex-direction:column;gap:18px}
.act-steps li{position:relative;padding-inline-start:54px;display:flex;flex-direction:column;gap:2px}
.act-steps li::before{counter-increment:act;content:counter(act);position:absolute;inset-inline-start:0;top:0;width:36px;height:36px;border-radius:50%;
  background:var(--grad);color:#04140a;font-weight:900;font-size:1rem;display:flex;align-items:center;justify-content:center;font-family:var(--font-latin);
  box-shadow:0 6px 18px rgba(32,208,96,.35)}
.act-steps b{color:var(--txt);font-size:1.02rem}
.act-steps span{color:var(--muted);font-size:.92rem;line-height:1.7}
.act-steps a{color:var(--cyan);font-weight:700}
.act-note{margin-top:22px;color:#9fd0ff;font-size:.92rem;text-align:center;background:rgba(32,208,96,.08);
  border:1px dashed rgba(32,208,96,.4);padding:13px 16px;border-radius:12px}

@media (max-width:720px){
  .price-list-head{display:none}
  .price-row{grid-template-columns:1fr auto;gap:8px 16px;padding:15px 18px}
  .pl-btn{grid-column:1 / -1;justify-self:stretch}
  .pl-usd{text-align:end}
}

/* ---------- OTA banner ---------- */
.ota-banner{display:flex;align-items:center;gap:20px;margin-top:34px;padding:26px 28px;border-radius:var(--radius);
  background:linear-gradient(135deg,rgba(32,208,96,.12),rgba(0,208,224,.08));border:1px solid rgba(32,208,96,.35);
  position:relative;overflow:hidden}
.ota-banner::before{content:"";position:absolute;inset:0;background:radial-gradient(600px 120px at 20% 0,rgba(0,208,224,.18),transparent)}
.ota-banner-icon{width:58px;height:58px;flex-shrink:0;display:flex;align-items:center;justify-content:center;border-radius:16px;
  background:var(--grad);color:#04140a;box-shadow:0 0 34px rgba(32,208,96,.4)}
.ota-banner-icon svg{width:30px;height:30px}
.ota-banner-copy{flex:1;min-width:0}
.ota-banner-copy h3{font-size:1.15rem;font-weight:800;margin-bottom:4px}
.ota-banner-copy p{color:var(--muted);font-size:.9rem;line-height:1.7}
.ota-banner-btn{width:auto;flex-shrink:0;display:inline-flex;align-items:center;gap:9px;padding:14px 26px;white-space:nowrap}
.ota-banner-btn svg{width:18px;height:18px}
@media (max-width:720px){.ota-banner{flex-direction:column;text-align:center;padding:24px 18px}
  .ota-banner-btn{width:100%;justify-content:center}}

/* ---------- install tabs & steps ---------- */
.tabs{display:flex;gap:10px;justify-content:center;margin-bottom:36px;flex-wrap:wrap}
.tab{background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--muted);font-family:var(--font);
  font-weight:700;padding:11px 26px;border-radius:999px;cursor:pointer;transition:.25s;font-size:.95rem}
.tab:hover{color:var(--txt)}
.tab.active{background:var(--grad);color:#04140a;border-color:transparent;box-shadow:0 8px 24px rgba(32,208,96,.35)}
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;max-width:1000px;margin:0 auto}
.step{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:var(--radius);padding:26px;position:relative;transition:.25s}
.step:hover{border-color:rgba(0,208,224,.4);transform:translateY(-3px)}
.step-n{position:absolute;top:-16px;inset-inline-start:24px;width:34px;height:34px;border-radius:50%;
  background:var(--grad);color:#04140a;font-weight:900;display:flex;align-items:center;justify-content:center;font-family:var(--font-latin);box-shadow:0 6px 18px rgba(32,208,96,.4)}
.step h4{font-size:1.02rem;margin-bottom:7px;margin-top:4px}
.step p{color:var(--muted);font-size:.88rem;line-height:1.8}

/* ---------- faq ---------- */
.faq{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
details{background:rgba(255,255,255,.03);border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:.25s}
details[open]{border-color:rgba(32,208,96,.4);background:rgba(32,208,96,.04)}
summary{cursor:pointer;font-weight:700;padding:18px 22px;display:flex;justify-content:space-between;align-items:center;gap:12px}
summary::after{content:"+";font-size:1.4rem;color:var(--green);transition:.25s;font-weight:600}
details[open] summary::after{transform:rotate(45deg)}
details p{padding:0 22px 18px;color:var(--muted);line-height:1.9;font-size:.93rem}

/* ---------- footer ---------- */
.footer{background:linear-gradient(180deg,transparent,rgba(5,7,15,.9));border-top:1px solid var(--line);padding:54px 22px 26px}
.footer-top,.fingerprints,.footer-bottom{max-width:1180px;margin:0 auto}
.footer-top{display:flex;align-items:center;gap:18px;flex-wrap:wrap;margin-bottom:22px}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800}
.footer-brand img{width:34px;height:34px;border-radius:9px}
.footer-brand b{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.footer-top p{color:var(--muted);font-size:.9rem;max-width:560px;line-height:1.8}
.fingerprints{display:flex;gap:12px;align-items:center;flex-wrap:wrap;padding-block:16px;border-block:1px solid var(--line);margin-bottom:18px}
.fingerprints span{color:var(--muted);font-weight:700;font-size:.85rem}
.fingerprints code{background:rgba(255,255,255,.04);border:1px solid var(--line);padding:5px 11px;border-radius:9px;color:var(--cyan)}
.footer-bottom{display:flex;gap:12px;align-items:center;color:var(--muted);font-size:.85rem}
.footer-bottom a{color:var(--green)}

/* ---------- responsive ---------- */
@media (max-width:960px){
  .hero-inner{grid-template-columns:1fr;text-align:center}
  .hero-sub{margin-inline:auto}
  .hero-cta,.hero-chips{justify-content:center}
  .hero-visual{margin-top:20px}
  .cards{grid-template-columns:1fr;max-width:520px;margin:0 auto}
  .steps{grid-template-columns:1fr;max-width:480px}
  .card-desc{min-height:0}
}
@media (max-width:720px){
  .nav-links{position:fixed;top:70px;inset-inline-end:14px;flex-direction:column;gap:4px;background:rgba(8,12,22,.96);
    border:1px solid var(--line);border-radius:16px;padding:14px;min-width:190px;display:none;backdrop-filter:blur(16px)}
  .nav-links.open{display:flex}
  .nav-links a{padding:10px 12px;border-radius:10px}
  .nav-links a:hover{background:rgba(32,208,96,.1)}
  .burger{display:flex}
  .nav-cta{display:none}
  .hero-stats{grid-template-columns:1fr;margin-top:40px}
  .section{padding:64px 16px}
  .hero{padding-top:64px}
}