:root{--gpt-blue:#0E4E96;--gpt-deep:#061a2f;--gpt-cyan:#29b6f6;--gpt-gold:#f4c95d}
.gpt-presentation{position:relative;overflow:hidden;background:radial-gradient(circle at 15% 20%,rgba(14,78,150,.45),transparent 34%),radial-gradient(circle at 85% 30%,rgba(41,182,246,.2),transparent 30%),linear-gradient(145deg,#04101f 0%,#071c33 45%,#020812 100%);color:#fff;padding:70px 0 90px;min-height:780px}
.gpt-presentation:before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);background-size:38px 38px;mask-image:linear-gradient(to bottom,black,transparent 82%);pointer-events:none}
.gpt-presentation__glow{position:absolute;width:420px;height:420px;border-radius:50%;filter:blur(90px);opacity:.22;pointer-events:none}.gpt-presentation__glow--one{background:#0E4E96;top:-100px;left:-120px}.gpt-presentation__glow--two{background:#29b6f6;right:-140px;bottom:-160px}
.gpt-presentation__hero{position:relative;z-index:2;text-align:center;max-width:920px;margin:0 auto 34px}.gpt-presentation__eyebrow{display:inline-flex;align-items:center;gap:9px;padding:7px 13px;border:1px solid rgba(255,255,255,.15);border-radius:999px;background:rgba(255,255,255,.06);backdrop-filter:blur(10px);font-size:12px;letter-spacing:.16em;text-transform:uppercase;color:#b9d7f3}.gpt-presentation__eyebrow i{color:#5cc8ff}.gpt-presentation__hero h1{font-size:clamp(17px,3vw,33px);line-height:1.08;margin:18px 0 16px;color:#fff;font-weight:800}.gpt-presentation__hero p{max-width:760px;margin:auto;color:#c6d6e5;font-size:16px;line-height:1.9;text-align:center!important}
.gpt-language-switcher{position:relative;z-index:3;display:flex;justify-content:center;gap:14px;flex-wrap:wrap;margin:28px auto 26px}.gpt-language-card{appearance:none;border:1px solid rgba(255,255,255,.14);background:rgba(7,23,42,.72);color:#fff;border-radius:18px;padding:12px 18px 12px 12px;display:flex;align-items:center;gap:12px;min-width:176px;cursor:pointer;transition:.25s ease;box-shadow:0 12px 34px rgba(0,0,0,.18);backdrop-filter:blur(14px)}.gpt-language-card:hover{transform:translateY(-3px);border-color:rgba(92,200,255,.55);box-shadow:0 18px 40px rgba(0,0,0,.28)}.gpt-language-card.is-active{background:linear-gradient(135deg,rgba(14,78,150,.95),rgba(12,52,91,.95));border-color:rgba(111,203,255,.8);box-shadow:0 16px 45px rgba(14,78,150,.38)}
.gpt-language-card__flag{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;font-size:30px;background:rgba(255,255,255,.1);box-shadow:inset 0 0 0 1px rgba(255,255,255,.15),0 7px 18px rgba(0,0,0,.25);transition:.25s}.gpt-language-card.is-active .gpt-language-card__flag{transform:scale(1.08);background:#fff}.gpt-language-card__copy{text-align:left}.gpt-language-card__copy strong{display:block;font-size:14px}.gpt-language-card__copy small{display:block;color:#8fb1cf;margin-top:3px;font-size:11px}.gpt-language-card.is-active .gpt-language-card__copy small{color:#d9edff}
[dir="rtl"] .gpt-language-card{padding:12px 12px 12px 18px}[dir="rtl"] .gpt-language-card__copy{text-align:right}
.gpt-player-shell{position:relative;z-index:2;max-width:1120px;margin:0 auto;background:rgba(2,10,19,.84);border:1px solid rgba(255,255,255,.12);border-radius:24px;padding:14px;box-shadow:0 30px 90px rgba(0,0,0,.52);backdrop-filter:blur(20px)}.gpt-player-shell:before{content:"";position:absolute;inset:-1px;border-radius:24px;padding:1px;background:linear-gradient(135deg,rgba(92,200,255,.55),transparent 35%,rgba(244,201,93,.28));-webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);-webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none}
.gpt-player-stage{position:relative;background:#000;border-radius:16px;overflow:hidden;aspect-ratio:16/9}.gpt-player-stage video{width:100%;height:100%;display:block;background:#000;object-fit:contain}.gpt-player-badge{position:absolute;top:16px;left:16px;z-index:2;display:flex;align-items:center;gap:8px;background:rgba(2,9,17,.72);border:1px solid rgba(255,255,255,.15);padding:8px 11px;border-radius:999px;backdrop-filter:blur(12px);font-size:12px}.gpt-player-badge span{width:7px;height:7px;border-radius:50%;background:#56e39f;box-shadow:0 0 0 5px rgba(86,227,159,.12)}
[dir="rtl"] .gpt-player-badge{left:auto;right:16px}
.gpt-player-toolbar{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:15px 8px 4px;flex-wrap:wrap}.gpt-player-meta{display:flex;align-items:center;gap:11px}.gpt-player-meta__icon{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;background:rgba(14,78,150,.32);color:#7bd0ff}.gpt-player-meta strong{display:block;font-size:13px}.gpt-player-meta small{display:block;color:#7897b4;margin-top:2px}.gpt-quality{display:flex;align-items:center;gap:7px;flex-wrap:wrap}.gpt-quality__label{font-size:11px;color:#7897b4;margin-right:3px}.gpt-quality button{appearance:none;border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.055);color:#b7cce0;border-radius:9px;padding:7px 10px;font-size:11px;cursor:pointer;transition:.2s}.gpt-quality button:hover{border-color:rgba(92,200,255,.45);color:#fff}.gpt-quality button.is-active{background:var(--gpt-blue);border-color:var(--gpt-blue);color:#fff;box-shadow:0 6px 18px rgba(14,78,150,.35)}
.gpt-presentation__foot{position:relative;z-index:2;text-align:center;margin-top:24px;color:#7290aa;font-size:12px}.gpt-presentation__foot i{color:#53c6ff;margin:0 5px}
.gpt-video-error{position:absolute;inset:0;display:none;place-items:center;text-align:center;background:rgba(0,0,0,.82);z-index:4;padding:25px}.gpt-video-error.is-visible{display:grid}.gpt-video-error i{display:block;font-size:34px;color:#f4c95d;margin-bottom:12px}.gpt-video-error strong{display:block;color:#fff}.gpt-video-error small{display:block;color:#9bb1c5;margin-top:7px}
@media(max-width:767.98px){.gpt-presentation{padding:45px 0 65px;min-height:auto}.gpt-presentation__hero h1{font-size:36px}.gpt-presentation__hero p{font-size:14px}.gpt-language-switcher{display:grid;grid-template-columns:1fr;max-width:360px}.gpt-language-card{width:100%}.gpt-player-shell{padding:8px;border-radius:17px}.gpt-player-stage{border-radius:12px}.gpt-player-toolbar{padding:12px 5px 3px}.gpt-player-meta{width:100%}.gpt-quality{width:100%;justify-content:flex-start}.gpt-quality button{flex:1}.gpt-quality__label{width:100%;margin-bottom:2px}}