/* ══════════════════════════════════════════════════════════
   Lingofy SEO sahifalari — iOS uslubi
   /cefr/ · /reading/ · /listening/ · /writing/
   /ai-english-teacher/ · /about/
   ══════════════════════════════════════════════════════════ */

*,*::before,*::after{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html{scroll-behavior:smooth}
body.lf{
  margin:0;background:#f5f5f7;color:#1d1d1f;line-height:1.55;
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text",
              "Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  -webkit-font-smoothing:antialiased;
}
body.lf a{color:#0071e3;text-decoration:none}
body.lf img{max-width:100%}
body.lf .wrap{max-width:1000px;margin:0 auto;padding:0 20px}

/* ── Navbar ── */
body.lf .nav{
  position:sticky;top:0;z-index:50;background:rgba(255,255,255,.8);
  backdrop-filter:saturate(180%) blur(20px);
  -webkit-backdrop-filter:saturate(180%) blur(20px);
  border-bottom:1px solid rgba(0,0,0,.06);
}
body.lf .nav-in{max-width:1000px;margin:0 auto;padding:0 20px;height:52px;
  display:flex;align-items:center;gap:20px}
body.lf .logo{font-size:19px;font-weight:600;color:#1d1d1f}
body.lf .logo b{color:#0071e3;font-weight:600}
body.lf .nav nav{display:flex;gap:22px;margin-left:auto}
body.lf .nav nav a{font-size:13px;color:#424245}
body.lf .nav nav a:hover{color:#0071e3}
body.lf .back{display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:500}

/* ── Hero ── */
body.lf .hero{text-align:center;padding:70px 20px 46px}
body.lf .pill{
  display:inline-block;background:#fff;border:1px solid rgba(0,0,0,.06);
  color:#0071e3;font-size:13px;font-weight:600;padding:7px 16px;
  border-radius:100px;margin-bottom:20px;
}
body.lf h1{
  font-size:clamp(34px,5.5vw,54px);font-weight:700;letter-spacing:-.03em;
  line-height:1.08;margin:0 0 16px;
}
body.lf h1 em{font-style:normal;color:#0071e3}
body.lf .lead{font-size:clamp(16px,2vw,19px);color:#6e6e73;
  max-width:680px;margin:0 auto}

/* ── Bo'limlar ── */
body.lf .sec{padding:26px 0}
body.lf h2{font-size:clamp(26px,4vw,36px);font-weight:700;
  letter-spacing:-.02em;text-align:center;margin:0 0 8px}
body.lf .sub{font-size:17px;color:#6e6e73;text-align:center;margin:0 0 32px}

/* ── Kartochkalar ── */
body.lf .card{
  background:#fff;border-radius:22px;padding:32px;
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 8px 28px rgba(0,0,0,.05);
}
body.lf .grid{display:grid;gap:14px;
  grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}
body.lf .gcard{
  background:#fff;border-radius:20px;padding:26px 22px;
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 8px 24px rgba(0,0,0,.05);
  transition:transform .2s ease;
}
body.lf .gcard:hover{transform:translateY(-4px)}
body.lf .gcard:hover .ico{transform:scale(1.06)}
body.lf .ico{transition:transform .2s ease}
/* ── iOS uslubidagi rangli ikonlar ── */
body.lf .ico{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  margin-bottom:14px;color:#fff;flex:0 0 48px;
  box-shadow:0 4px 12px rgba(0,0,0,.16), inset 0 1px 0 rgba(255,255,255,.28);
}
body.lf .ico svg{width:25px;height:25px}
/* iOS system ranglari */
body.lf .i1{background:linear-gradient(150deg,#4aa3ff,#0a6df0)}
body.lf .i2{background:linear-gradient(150deg,#4ade80,#16a34a)}
body.lf .i3{background:linear-gradient(150deg,#d68cff,#9333ea)}
body.lf .i4{background:linear-gradient(150deg,#ffb340,#f07800)}
body.lf .gcard h3{font-size:18px;font-weight:600;letter-spacing:-.01em;
  margin:0 0 7px}
body.lf .gcard p{font-size:14.5px;line-height:1.5;color:#6e6e73;margin:0}
body.lf .gcard .go{display:inline-block;margin-top:13px;
  font-size:14px;font-weight:500}

/* ── AI fakt bloki (llms.txt ni takrorlaydi) ── */
body.lf .facts{background:#fff;border-radius:22px;padding:30px 32px;
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 8px 28px rgba(0,0,0,.05)}
body.lf .facts h3{font-size:20px;font-weight:600;margin:0 0 14px}
body.lf .facts dl{margin:0;display:grid;gap:0}
body.lf .facts dt{font-size:13px;font-weight:600;color:#86868b;
  text-transform:uppercase;letter-spacing:.05em;margin-top:16px}
body.lf .facts dt:first-child{margin-top:0}
body.lf .facts dd{margin:4px 0 0;font-size:15.5px;line-height:1.55;color:#3a3a3c}

/* ── Ro'yxat ── */
body.lf .feats{display:grid;gap:12px}
body.lf .feat{display:flex;gap:16px;align-items:flex-start;
  background:#f9f9fb;border-radius:16px;padding:20px}
body.lf .feat i{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  display:grid;place-items:center;font-size:16px;color:#fff;
  background:linear-gradient(150deg,#4aa3ff,#0a6df0);
  box-shadow:0 3px 9px rgba(10,109,240,.28), inset 0 1px 0 rgba(255,255,255,.3);
}
body.lf .feat h3{font-size:16.5px;font-weight:600;margin:0 0 4px;
  letter-spacing:-.01em}
body.lf .feat p{font-size:14.5px;line-height:1.5;color:#6e6e73;margin:0}

/* ── Jadval ── */
body.lf .tbl-card{background:#fff;border-radius:22px;padding:12px;overflow:hidden;
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 8px 28px rgba(0,0,0,.05)}
body.lf table{width:100%;border-collapse:collapse;font-size:15px}
body.lf th,body.lf td{padding:15px 18px;text-align:left}
body.lf thead th{font-size:12px;font-weight:600;color:#86868b;
  text-transform:uppercase;letter-spacing:.05em;border-bottom:1px solid #e5e5ea}
body.lf tbody tr:not(:last-child) td{border-bottom:1px solid #f0f0f4}
body.lf tbody td:first-child{font-weight:600;color:#0071e3}
body.lf tbody tr:hover{background:#fafafc}

/* ── FAQ ── */
body.lf .faq{background:#fff;border-radius:22px;padding:8px 28px;
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 8px 28px rgba(0,0,0,.05)}
body.lf details{border-bottom:1px solid #f0f0f4}
body.lf details:last-child{border-bottom:none}
body.lf summary{cursor:pointer;list-style:none;padding:19px 0;
  font-size:16.5px;font-weight:600;letter-spacing:-.01em}
body.lf summary::-webkit-details-marker{display:none}
body.lf summary::after{content:"+";float:right;color:#0071e3;
  font-weight:400;font-size:22px;line-height:1;transition:transform .2s ease}
body.lf details[open] summary::after{transform:rotate(45deg)}
body.lf details p{margin:0 0 19px;font-size:15px;line-height:1.6;color:#6e6e73}

/* ── CTA ── */
body.lf .cta{background:#fff;border-radius:28px;padding:56px 30px;
  text-align:center;margin:14px 0 70px;
  box-shadow:0 1px 2px rgba(0,0,0,.04),0 16px 44px rgba(0,0,0,.07)}
body.lf .btns{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;
  margin-top:8px}
body.lf .btn{padding:14px 32px;border-radius:100px;border:none;
  font-family:inherit;font-size:16px;font-weight:600;cursor:pointer;
  display:inline-block;transition:background .18s ease,transform .12s ease}
body.lf .btn:hover{text-decoration:none}
body.lf .btn:active{transform:scale(.96)}
body.lf .btn-p{background:#0071e3;color:#fff}
body.lf .btn-p:hover{background:#0077ed}
body.lf .btn-s{background:#f5f5f7;color:#0071e3}
body.lf .btn-s:hover{background:#ececf0}

/* ── Footer ── */
body.lf footer{background:#fff;border-top:1px solid rgba(0,0,0,.06);padding:28px 0}
body.lf .foot{display:flex;flex-wrap:wrap;gap:8px 22px;
  font-size:13px;color:#86868b}
body.lf .foot a{color:#424245}
body.lf .copy{font-size:13px;color:#86868b;margin-top:12px}

/* ── Telefon ── */
@media(max-width:640px){
  body.lf .nav nav{display:none}
  body.lf .hero{padding:48px 20px 34px}
  body.lf .btns{flex-direction:column}
  body.lf .btn{width:100%}
  body.lf .card,body.lf .facts{padding:24px}
  body.lf th,body.lf td{padding:13px 12px;font-size:14px}
  body.lf .faq{padding:6px 20px}
}