/* الصفحة الرئيسية */
.arr{display:inline-block;width:16px;height:10px;margin-inline:6px;vertical-align:middle;color:var(--ink-2)}
.sec-head{max-width:640px;margin-bottom:32px}
.sec-head h2{margin-bottom:8px}

.hero{padding:56px 0 72px}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.hero h1{margin-bottom:18px}
.lead{font-size:18px;color:var(--ink-2);max-width:560px;margin-bottom:28px}
.hero-cta{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:12px}

.live{margin:0;padding:18px;display:flex;flex-direction:column;gap:12px}
.live-head{display:flex;align-items:center;gap:10px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.live-time{margin-inline-start:auto}
.dot-rec{width:10px;height:10px;border-radius:50%;background:var(--accent)}
.bubble{max-width:88%;padding:10px 14px;border-radius:var(--radius);font-size:16px;line-height:1.55}
.bubble.tutor{align-self:flex-end;background:var(--paper);border:1px solid var(--line)}
.bubble.me{align-self:flex-start;background:var(--ink);color:var(--paper)}
.bubble.en{text-align:left}
#demo-line .w{transition:opacity .25s}
.js #demo-line .w{opacity:0}
.js #demo-line .w.on{opacity:1}
#demo-line .w.bad{text-decoration:underline wavy var(--accent) 2px;text-underline-offset:4px}
.fb{border-inline-start:3px solid var(--accent);padding-inline-start:12px;display:grid;gap:10px;transition:opacity .4s}
.js .fb{opacity:0}
.js .fb.on{opacity:1}
.fb-row{display:grid;grid-template-columns:44px 1fr;gap:8px;align-items:start}
.fb-k{font-size:13px;font-weight:600;color:var(--accent-ink);padding-top:2px}
.fb .en{display:inline-block;font-size:16px}
.js .live > .bubble:last-child{opacity:0;transition:opacity .4s}
.js .live > .bubble:last-child.on{opacity:1}

/* أزواج الأصوات */
.sounds{background:var(--sun-bg);padding:72px 0;border-block:1px solid var(--line)}
.pairs{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.pair{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:12px}
.pair-k{font-weight:600}
.pair-btns{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.say{display:flex;align-items:center;justify-content:center;gap:8px;min-height:52px;border:1px solid var(--line);border-radius:var(--radius);background:var(--paper);color:var(--ink);font:600 19px var(--font);cursor:pointer}
.say svg{width:16px;height:16px;flex:none;color:var(--ink-2)}
.say.ok{border-color:var(--good);color:var(--good)}
.say.playing{background:var(--ink);color:var(--paper);border-color:var(--ink)}
.say.playing svg{color:var(--paper)}
.pair-tip{font-size:14px;color:var(--ink-2)}
@media (hover:hover){.say:hover{border-color:var(--ink)}}

/* السيناريوهات */
.scen{background:var(--navy);color:var(--on-navy);padding:80px 0}
.scen .sec-head p{color:var(--on-navy-2)}
.scen-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(2,1fr);column-gap:40px}
.scen-list li a{display:grid;grid-template-columns:1fr auto;gap:4px 16px;padding:18px 0;border-bottom:1px solid rgba(255,255,255,.14);text-decoration:none}
.scen-list b{font:700 20px var(--head)}
.scen-list .meta{display:flex;gap:8px;align-items:center}
.scen-list .tag{color:var(--on-navy-2);border-color:rgba(255,255,255,.22)}
.scen-list p{grid-column:1/-1;color:var(--on-navy-2);font-size:15px}
.scen-list .go{color:var(--sun);font-weight:600;font-size:14px;display:inline-flex;align-items:center;gap:6px}
.scen-list .go svg{width:14px;height:14px}
@media (hover:hover){.scen-list li a:hover b{text-decoration:underline;text-underline-offset:6px;text-decoration-color:var(--sun)}}

/* كيف */
.how{padding:80px 0}
.how-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px}
.steps{list-style:none;margin:0;padding:0;counter-reset:s}
.steps li{counter-increment:s;display:grid;grid-template-columns:48px 1fr;gap:2px 12px;padding:18px 0;border-top:1px solid var(--line)}
.steps li::before{content:counter(s);grid-row:span 2;font:700 28px var(--head);color:var(--accent)}
.steps b{font-size:18px}

/* التقدّم */
.prog{padding:16px 0 80px}
.prog-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:center}
.prog-grid h2{margin-bottom:10px}
.prog-card{padding:22px;display:grid;gap:20px}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.stats div{display:flex;flex-direction:column;gap:2px;padding:12px;border:1px solid var(--line);border-radius:var(--radius)}
.stats .k{font-size:13px;color:var(--ink-2)}
.stats b{font-size:28px;font-family:var(--font);font-weight:700}
.stats small{font-size:14px;font-weight:500}
.trend-head{display:flex;justify-content:space-between;margin-bottom:10px;font-weight:600}
.bars{display:grid;grid-template-columns:repeat(6,1fr);gap:10px;height:120px;align-items:end}
.bars span{height:var(--h);background:var(--accent);border-radius:3px 3px 0 0;position:relative;min-height:14px}
.bars span:nth-last-child(-n+2){background:var(--good)}
.bars i{position:absolute;top:-22px;inset-inline:0;text-align:center;font-style:normal;font-size:13px;color:var(--ink-2)}

/* الأسعار */
.pricing{padding:72px 0;background:var(--surface);border-block:1px solid var(--line)}
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;align-items:stretch}
.plan{border:1px solid var(--line);border-radius:var(--radius);padding:24px;display:flex;flex-direction:column;gap:14px;background:var(--paper)}
.plan.main{border:2px solid var(--ink)}
.plan h3{font-size:20px;display:flex;justify-content:space-between;align-items:center}
.price{font:700 40px var(--font);font-variant-numeric:tabular-nums;direction:ltr;text-align:end}
.price small{font-size:15px;font-weight:500;color:var(--ink-2)}
.plan ul{list-style:none;margin:0;padding:0;display:grid;gap:8px;flex:1}
.plan li{padding-bottom:8px;border-bottom:1px dashed var(--line)}
.plan li:last-child{border:0}
.plan .btn{width:100%}

/* أسئلة */
.faq{padding:72px 0 16px}
.faq-grid{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px}
details{border-bottom:1px solid var(--line);padding:16px 0}
summary{cursor:pointer;font-weight:600;font-size:17px;list-style:none;display:flex;justify-content:space-between;gap:16px}
summary::-webkit-details-marker{display:none}
summary::after{content:"+";font-weight:400;font-size:22px;line-height:1;color:var(--ink-2)}
details[open] summary::after{content:"−"}
details p{margin-top:10px;color:var(--ink-2)}

@media (max-width:980px){
  .pairs{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:820px){
  .hero{padding:28px 0 48px}
  .hero-grid,.how-grid,.prog-grid,.faq-grid{grid-template-columns:1fr;gap:28px}
  .scen-list{grid-template-columns:1fr}
  .plans{grid-template-columns:1fr}
  .plan.main{order:-1}
  .lead{font-size:17px}
  .scen,.how,.sounds,.pricing{padding:56px 0}
}
@media (max-width:480px){
  .pairs{gap:10px}
  .pair{padding:12px;gap:8px}
  .pair-btns{grid-template-columns:1fr}
  .say{min-height:44px;font-size:17px}
  .pair-tip{font-size:13px;line-height:1.5}
  .stats b{font-size:22px}
  .hero-cta .btn{flex:1 1 100%}
}