/* ============================================================
   منصة العلوم — مستر مينا ثابت
   طبقة إعلانات الواجهة الرئيسية (Promo / Ads layer)
   ملف مستقل: assets/ads.css
   ============================================================ */

.promo-wrap{position:relative;margin:0 0 1.6rem}

/* ---------- عناوين الأقسام ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:.8rem;flex-wrap:wrap;margin:0 0 .75rem}
.sec-head h2{margin:0;font-size:clamp(1.15rem,3.4vw,1.5rem);font-weight:800;line-height:1.3}
.sec-head p{margin:.15rem 0 0;color:var(--mut);font-size:.86rem;font-weight:600}
.pill{display:inline-flex;align-items:center;gap:.35rem;background:rgba(106,61,255,.12);color:var(--ac);border:1px solid rgba(106,61,255,.28);border-radius:99px;padding:.22rem .7rem;font-size:.74rem;font-weight:800;white-space:nowrap}
.pill.live-dot::before{content:"";width:.45rem;height:.45rem;border-radius:50%;background:#ff4d5e;box-shadow:0 0 0 0 rgba(255,77,94,.7);animation:dotpulse 1.6s infinite}
@keyframes dotpulse{70%{box-shadow:0 0 0 .5rem rgba(255,77,94,0)}100%{box-shadow:0 0 0 0 rgba(255,77,94,0)}}

/* ---------- شريط عرض علوي ---------- */
.hero-cta{display:flex;gap:.6rem;flex-wrap:wrap;margin-top:1rem}
.hero-cta .btn{box-shadow:0 12px 28px -10px rgba(0,0,0,.55)}
.btn-gold{background:linear-gradient(135deg,#ffd873,#ffb020);color:#26154a!important}
.btn-ghost{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.2)}
.hero-count{display:flex;gap:1.1rem;margin-top:1.1rem;flex-wrap:wrap}
.hero-count div{display:flex;flex-direction:column;line-height:1.25}
.hero-count b{font-size:1.25rem;font-weight:800;color:#ffd873}
.hero-count span{font-size:.74rem;font-weight:700;color:#cfc6ff}

/* ---------- شبكة البوسترات ---------- */
.ads{padding:0}
.ads-grid{display:grid;gap:.9rem;grid-template-columns:1.35fr 1fr 1fr}

/* البطاقة الإعلانية الأساسية */
.poster{position:relative;isolation:isolate;display:flex;flex-direction:column;justify-content:flex-end;overflow:hidden;border:0;border-radius:22px;min-height:265px;padding:1.15rem 1.2rem;text-align:start;color:#fff;font:inherit;cursor:pointer;background:#101033;box-shadow:0 16px 34px -18px rgba(21,16,70,.7);transition:transform .25s ease,box-shadow .25s ease}
.poster:hover,.poster:focus-visible{transform:translateY(-5px);box-shadow:0 24px 44px -18px rgba(75,43,214,.65)}
.poster:active{transform:translateY(-2px) scale(.995)}
.poster-media{position:absolute;inset:0;z-index:-2;background-size:cover;background-position:center;filter:brightness(1.3) saturate(1.12);transition:transform 6s ease-out}
.poster:hover .poster-media{transform:scale(1.06)}
.poster-veil{position:absolute;inset:0;z-index:-1;background:
  linear-gradient(180deg,rgba(9,8,34,.12) 0%,rgba(9,8,34,.2) 30%,rgba(9,8,34,.72) 62%,rgba(9,8,34,.95) 100%)}
.poster>*:not(.poster-media):not(.poster-veil){position:relative;z-index:1}
.poster .tag{align-self:flex-start;display:inline-flex;align-items:center;gap:.35rem;font-size:.68rem;font-weight:800;letter-spacing:.02em;padding:.26rem .65rem;border-radius:99px;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(6px);margin-bottom:.55rem}
.poster .tag.gold{background:linear-gradient(135deg,#ffd873,#ffab12);color:#2b1750;border-color:transparent}
.poster .tag .i{width:.95rem;height:.95rem;flex:none}
.tag .live-dot{display:inline-block;width:.42rem;height:.42rem;border-radius:50%;background:#fff;box-shadow:0 0 0 0 rgba(255,255,255,.8);animation:dotpulse 1.6s infinite}
.poster .tag.danger{background:rgba(255,77,94,.9);border-color:transparent}
.poster h3{margin:0;font-size:clamp(1.05rem,2.6vw,1.4rem);font-weight:800;line-height:1.32;text-wrap:balance;text-shadow:0 2px 18px rgba(0,0,0,.7)}
.poster p{margin:.3rem 0 0;font-size:.82rem;font-weight:600;color:#e7e3ff;line-height:1.55;max-width:34ch;text-shadow:0 2px 12px rgba(0,0,0,.65)}
.poster .cta{display:inline-flex;align-items:center;gap:.4rem;margin-top:.75rem;font-size:.8rem;font-weight:800;color:#ffd873}
.poster .cta .i{width:1rem;height:1rem;transition:transform .2s}
.poster:hover .cta .i{transform:translateX(-4px)}
.poster:focus-visible{outline:3px solid #ffd873;outline-offset:3px}

/* البطاقة المميزة (الكبيرة) */
.ads-grid>.p-term{grid-column:1;grid-row:1/span 2}
.ads-grid>.p-live{grid-column:2;grid-row:1}
.ads-grid>.p-rooms{grid-column:3;grid-row:1}
.ads-grid>.p-library{grid-column:2;grid-row:2}
.ads-grid>.p-code{grid-column:3;grid-row:2}
.poster.big{min-height:100%;padding:1.4rem 1.4rem 1.5rem}
.poster.big h3{font-size:clamp(1.3rem,3.2vw,1.85rem)}
.poster.big p{font-size:.88rem;max-width:30ch}
.poster .price{display:flex;align-items:baseline;gap:.4rem;margin-top:.6rem}
.poster .price b{font-size:1.6rem;font-weight:800;color:#ffd873;line-height:1}
.poster .price s{font-size:.9rem;color:#b7aee6;font-weight:600}
.poster .price span{font-size:.72rem;color:#cfc6ff;font-weight:700}
.poster .meta-row{display:flex;gap:.45rem;flex-wrap:wrap;margin-top:.7rem}
.poster .chip{font-size:.68rem;font-weight:700;padding:.2rem .55rem;border-radius:8px;background:rgba(255,255,255,.13);border:1px solid rgba(255,255,255,.18);color:#e8e4ff}

/* بوستر عمودي صغير */
.poster.slim{min-height:215px}
.poster.slim h3{font-size:1rem}
.poster.slim p{font-size:.76rem;-webkit-line-clamp:2;display:-webkit-box;-webkit-box-orient:vertical;overflow:hidden}

/* ---------- شريط الشرائح (سلايدر) ---------- */
.rail{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(255px,1fr);gap:.85rem;overflow-x:auto;padding:.15rem .15rem .75rem;scroll-snap-type:x mandatory;scrollbar-width:thin;scrollbar-color:var(--ac) transparent}
.rail>*{scroll-snap-align:start}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:var(--ac);border-radius:99px;opacity:.6}
.rail::-webkit-scrollbar-track{background:var(--ln);border-radius:99px}

/* ---------- شريط الإعلان النصي المتحرك ---------- */
.ticker{position:relative;overflow:hidden;border-radius:14px;-webkit-mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);mask-image:linear-gradient(90deg,transparent,#000 7%,#000 93%,transparent);margin:0 0 1.1rem;background:linear-gradient(100deg,#1a1450,#3a22b8 45%,#0f9aa8);color:#fff;box-shadow:0 10px 26px -16px rgba(40,25,140,.9)}
.ticker-track{display:flex;width:max-content;animation:tick 38s linear infinite}
.ticker:hover .ticker-track,.ticker:focus-within .ticker-track{animation-play-state:paused}
.ticker-group{display:flex;align-items:center;gap:2rem;padding:.62rem 1rem;white-space:nowrap}
.ticker-group span{display:inline-flex;align-items:center;gap:.45rem;font-size:.82rem;font-weight:700}
.ticker-group .i{width:1rem;height:1rem;color:#ffd873;flex:none}
.ticker-group i{font-style:normal;color:#8fe9f2}
@keyframes tick{to{transform:translateX(50%)}}
@media (prefers-reduced-motion:reduce){.ticker-track{animation:none}.rail{scroll-snap-type:none}}

/* ---------- بطاقة عرض الكوبون ---------- */
.coupon{position:relative;display:flex;gap:.9rem;align-items:center;flex-wrap:wrap;justify-content:space-between;overflow:hidden;border-radius:18px;padding:1rem 1.1rem;margin-top:.9rem;background:linear-gradient(110deg,rgba(255,216,115,.16),rgba(106,61,255,.1));border:1px dashed rgba(255,157,46,.55)}
.coupon b{display:block;font-size:.95rem}
.coupon small{display:block;color:var(--mut);font-weight:600;font-size:.78rem;margin-top:.1rem}
.coupon code{font-family:Cairo,ui-monospace,monospace;font-weight:800;letter-spacing:.12em;background:var(--sf);border:1px solid var(--ln);border-radius:10px;padding:.45rem .8rem;color:var(--ac);font-size:.95rem;user-select:all}
.coupon button{background:linear-gradient(135deg,var(--ac),var(--ac3));border:0;color:#fff;font:inherit;font-weight:800;font-size:.78rem;border-radius:10px;padding:.5rem .85rem;cursor:pointer}

/* ---------- مودال البوستر ---------- */
.dlg{border:0;padding:0;border-radius:22px;max-width:min(94vw,640px);width:100%;background:var(--sf);color:var(--ink);box-shadow:0 30px 80px -20px rgba(10,8,40,.65);overflow:hidden}
.dlg::backdrop{background:rgba(9,6,32,.72);backdrop-filter:blur(5px)}
.dlg-head{display:flex;align-items:center;justify-content:space-between;gap:.6rem;padding:.7rem .9rem;border-bottom:1px solid var(--ln);background:var(--sf2)}
.dlg-head b{font-size:.9rem}
.dlg-head button{display:grid;place-items:center;width:2rem;height:2rem;border-radius:50%;border:1px solid var(--ln);background:var(--sf);color:var(--ink);cursor:pointer}
.dlg-body{display:block;width:100%;max-height:68vh;object-fit:contain;background:#0b0a26}
.dlg-foot{display:flex;gap:.5rem;flex-wrap:wrap;padding:.8rem .9rem;border-top:1px solid var(--ln);background:var(--sf2)}
.dlg-foot .btn{flex:1;white-space:nowrap}

/* ---------- توست ---------- */
.toast{position:fixed;inset:auto 0 1.1rem;margin:auto;width:max-content;max-width:92vw;z-index:60;background:#16123f;color:#fff;border:1px solid rgba(255,216,115,.5);border-radius:99px;padding:.6rem 1.1rem;font-size:.82rem;font-weight:700;box-shadow:0 16px 40px -12px rgba(0,0,0,.6);opacity:0;transform:translateY(14px);pointer-events:none;transition:opacity .25s,transform .25s}
.toast.on{opacity:1;transform:none}

/* ---------- استجابة الشاشات ---------- */
@media(max-width:860px){
  .ads-grid{grid-template-columns:1fr 1fr}
  .ads-grid>.p-term{grid-column:1/-1;grid-row:auto;min-height:250px}
  .ads-grid>.p-live{grid-column:1;grid-row:auto}
  .ads-grid>.p-rooms{grid-column:2;grid-row:auto}
  .ads-grid>.p-library{grid-column:1;grid-row:auto}
  .ads-grid>.p-code{grid-column:2;grid-row:auto}
}
@media(max-width:560px){
  .poster{border-radius:18px;min-height:215px;padding:1rem}
  .poster.big{min-height:230px}
  .poster p{font-size:.78rem}
  .poster-veil{background:linear-gradient(0deg,rgba(9,8,34,.96) 12%,rgba(9,8,34,.72) 55%,rgba(9,8,34,.22) 100%)}
  .rail{grid-auto-columns:88%}
  .hero-count{gap:.85rem}
  .hero-count b{font-size:1.05rem}
  .coupon code{letter-spacing:.08em}
}
@media(prefers-reduced-motion:reduce){
  .poster,.poster-media{transition:none}
  .poster:hover .poster-media{transform:none}
}