/* Rol tanlash bosqichi */
    #roleStep[hidden], #authStep[hidden]{display:none !important}
    .rolepick{display:flex;flex-direction:column;gap:14px;text-align:center}
    .rolepick__title{font-family:var(--font-display,'Sora',sans-serif);font-weight:800;font-size:1.5rem;margin-bottom:2px}
    .rolepick__sub{color:var(--muted,#6B7A8D);font-size:.92rem;margin-bottom:10px}
    .rolepick__btn{display:flex;flex-direction:column;align-items:center;gap:2px;width:100%;border:none;cursor:pointer;
      padding:16px 18px;border-radius:16px;color:#fff;font-family:var(--font-display,'Sora',sans-serif);font-weight:700;font-size:1.05rem;
      transition:transform .15s ease, box-shadow .2s ease;box-shadow:0 10px 24px -12px rgba(0,0,0,.4)}
    .rolepick__btn small{font-weight:500;font-size:.78rem;opacity:.92}
    .rolepick__btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(0,0,0,.45)}
    .rolepick__btn--teacher{background:linear-gradient(135deg,#2563EB,#1D4ED8)}
    .rolepick__btn--self{background:linear-gradient(135deg,#16A34A,#0E9F6E)}
    .rolepick__btn--student{background:linear-gradient(135deg,#14B8A6,#0E9F6E)}
    .rolepick__back{align-self:flex-start;background:none;border:none;color:var(--blue,#2563EB);font-weight:600;cursor:pointer;padding:4px 0;margin-bottom:4px;font-size:.9rem}
    .rolepick__who{display:inline-block;background:rgba(37,99,235,.1);color:var(--blue-d,#1D4ED8);font-weight:700;
      font-size:.82rem;padding:5px 12px;border-radius:999px;margin-bottom:14px}
    .studentnote{background:rgba(20,184,166,.1);border:1px solid rgba(20,184,166,.3);color:#0E7490;
      border-radius:12px;padding:12px 14px;font-size:.86rem;line-height:1.5;margin-bottom:14px}

    /* ===== Logo (rasm) ===== */
    .nav__logo{display:flex;align-items:center;gap:10px}
    .nav__logo-img{height:38px;width:auto;display:block}
    .nav__logo-text{font-family:'Sora',sans-serif;font-weight:800;font-size:1.18rem;letter-spacing:-.01em;
      background:linear-gradient(120deg,#00D9FF,#2563EB 55%,#7B61FF);-webkit-background-clip:text;background-clip:text;color:transparent}
    .preloader__logo-img{width:72px;height:72px;display:block;margin:0 auto 6px;filter:drop-shadow(0 6px 18px rgba(0,217,255,.35))}

    /* ===== Bosh ekran harakatlanuvchi fon (kutubxonasiz) ===== */
    #motionBg{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:0}
    .hero__content{position:relative;z-index:2}
    .hero__canvas{z-index:1}

    /* ===== Hero: chapda robot, o'ngda matn ===== */
    .hero__content{display:flex;align-items:center;justify-content:center;gap:46px;text-align:left;max-width:1160px !important}
    .hero__robot{flex:0 0 42%;display:flex;justify-content:center;position:relative}
    .hero__robot img{width:min(440px,84%);height:auto;position:relative;z-index:2;
      filter:drop-shadow(0 26px 55px rgba(0,140,255,.4));animation:floaty 6s ease-in-out infinite}
    .hero__robot::after{content:"";position:absolute;bottom:4%;left:50%;transform:translateX(-50%);
      width:60%;height:34px;background:radial-gradient(ellipse,rgba(0,180,255,.5),transparent 70%);filter:blur(7px);z-index:1}
    .hero__text{flex:1;min-width:0;position:relative}
    /* matn ortida yumshoq fon — fon chiziqlari harflarга yopishmasligi uchun */
    .hero__text::before{content:"";position:absolute;inset:-28px -34px;z-index:-1;border-radius:40px;
      background:radial-gradient(60% 60% at 40% 45%,rgba(244,249,255,.82),rgba(244,249,255,.45) 55%,transparent 78%);
      filter:blur(6px)}
    .hero__title{position:relative;text-shadow:0 2px 18px rgba(255,255,255,.7)}
    .hero__text .hero__cta,.hero__text .hero__pills{justify-content:flex-start}
    @keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
    /* so'zlar chapdan bittalab chiqib keladi */
    .hero__title{overflow:visible}
    .hero__title .word{display:block;opacity:0;transform:translateX(-70px);will-change:transform,opacity;
      animation:wordSlide .7s cubic-bezier(.2,.75,.2,1) forwards}
    .hero__title .word:nth-child(1){animation-delay:.2s}
    .hero__title .word:nth-child(2){animation-delay:.5s}
    .hero__title .word:nth-child(3){animation-delay:.8s}
    @keyframes wordSlide{to{opacity:1;transform:none}}
    @media(max-width:900px){
      .hero__content{flex-direction:column;text-align:center;gap:24px}
      .hero__robot{flex:none;order:-1}
      .hero__robot img{width:min(300px,64%)}
      .hero__text .hero__cta,.hero__text .hero__pills{justify-content:center}
      .hero__title .word{transform:translateY(24px)}
    }

    /* ===== Biz haqimizda ===== */
    .about__wrap{display:flex;align-items:center;gap:48px}
    .about__text{flex:1;min-width:0}
    .about__text .eyebrow{margin-bottom:10px;display:inline-block}
    .about__text .section__title{text-align:left;margin-bottom:14px}
    .about__lead{color:#5B6B7D;font-size:1.04rem;line-height:1.7;margin-bottom:20px}
    .about__list{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:13px}
    .about__list li{display:flex;gap:12px;align-items:flex-start;font-size:.96rem;line-height:1.5;color:#33485E}
    .about__list li b{color:#0F2238}
    .about__list .ic{width:32px;height:32px;border-radius:9px;flex:none;display:grid;place-items:center;font-size:.95rem;color:#fff;
      background:linear-gradient(135deg,#00D9FF,#2563EB);box-shadow:0 8px 16px -8px rgba(37,99,235,.5)}
    .about__stats{display:flex;gap:30px;flex-wrap:wrap}
    .about__stats div{display:flex;flex-direction:column}
    .about__stats b{font-family:'Sora',sans-serif;font-weight:800;font-size:1.9rem;line-height:1;
      background:linear-gradient(120deg,#00D9FF,#7B61FF);-webkit-background-clip:text;background-clip:text;color:transparent}
    .about__stats span{color:#5B6B7D;font-size:.84rem;margin-top:4px}
    .about__media{flex:0 0 40%;display:flex;justify-content:center}
    .about__card{position:relative;overflow:hidden;width:100%;border-radius:26px;padding:38px 34px;
      background:linear-gradient(135deg,#0A2540,#123a63);box-shadow:0 34px 64px -30px rgba(10,37,64,.65)}
    .about__card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 72% 18%,rgba(0,217,255,.28),transparent 55%)}
    .about__card img{position:relative;width:min(300px,82%);display:block;margin:0 auto;filter:drop-shadow(0 16px 32px rgba(0,217,255,.45))}
    @media(max-width:880px){
      .about__wrap{flex-direction:column;gap:28px}
      .about__media{flex:none;width:100%;order:-1}
      .about__text .section__title{text-align:center}
      .about__text .eyebrow{display:block;text-align:center;font-size: 25px;}
      .about__stats{justify-content:center}
    }

    /* ===== Tajriba kategoriyalari ===== */
    .section__sub{color:#5B6B7D;font-size:1rem;line-height:1.6;margin-top:6px}
    .cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
    .cat-card{background:#fff;border:1px solid #E9EEF5;border-radius:20px;overflow:hidden;text-decoration:none;color:inherit;
      box-shadow:0 12px 30px -20px rgba(10,37,64,.4);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column}
    .cat-card:hover{transform:translateY(-6px);box-shadow:0 26px 50px -24px rgba(10,37,64,.5)}
    .cat-card__media{height:140px;display:grid;place-items:center;position:relative;overflow:hidden}
    .cat-card__media svg{width:74px;height:74px}
    .cat-card__img{width:100%;height:100%;object-fit:cover;display:block}
    .cat-card__media::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.25),transparent 60%);pointer-events:none}
    .cat--phys{background:linear-gradient(135deg,#00D9FF,#2563EB)}
    .cat--math{background:linear-gradient(135deg,#7B61FF,#2563EB)}
    .cat--chem{background:linear-gradient(135deg,#16A34A,#00D9FF)}
    .cat--robo{background:linear-gradient(135deg,#2563EB,#7B61FF)}
    .cat-card__body{padding:16px 18px 20px}
    .cat-card__body h3{font-family:'Sora',sans-serif;font-weight:700;font-size:1.08rem;margin:0 0 4px}
    .cat-card__body p{color:#5B6B7D;font-size:.86rem;line-height:1.5;margin:0 0 12px}
    .cat-card__count{font-size:.8rem;font-weight:700;color:#2563EB}
    @media(max-width:880px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:480px){.cat-grid{grid-template-columns:1fr}}
    /* Bosh sahifa katalogi: 4 ustun (8 ta = 2 qator) */
    #expGrid{grid-template-columns:repeat(4,1fr)}
    @media(max-width:1100px){#expGrid{grid-template-columns:repeat(3,1fr)}}
    @media(max-width:820px){#expGrid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:520px){#expGrid{grid-template-columns:1fr}}
/* Rol tanlash bosqichi */
    #roleStep[hidden], #authStep[hidden]{display:none !important}
    .rolepick{display:flex;flex-direction:column;gap:14px;text-align:center}
    .rolepick__title{font-family:var(--font-display,'Sora',sans-serif);font-weight:800;font-size:1.5rem;margin-bottom:2px}
    .rolepick__sub{color:var(--muted,#6B7A8D);font-size:.92rem;margin-bottom:10px}
    .rolepick__btn{display:flex;flex-direction:column;align-items:center;gap:2px;width:100%;border:none;cursor:pointer;
      padding:16px 18px;border-radius:16px;color:#fff;font-family:var(--font-display,'Sora',sans-serif);font-weight:700;font-size:1.05rem;
      transition:transform .15s ease, box-shadow .2s ease;box-shadow:0 10px 24px -12px rgba(0,0,0,.4)}
    .rolepick__btn small{font-weight:500;font-size:.78rem;opacity:.92}
    .rolepick__btn:hover{transform:translateY(-2px);box-shadow:0 16px 30px -14px rgba(0,0,0,.45)}
    .rolepick__btn--teacher{background:linear-gradient(135deg,#2563EB,#1D4ED8)}
    .rolepick__btn--self{background:linear-gradient(135deg,#16A34A,#0E9F6E)}
    .rolepick__btn--student{background:linear-gradient(135deg,#14B8A6,#0E9F6E)}
    .rolepick__back{align-self:flex-start;background:none;border:none;color:var(--blue,#2563EB);font-weight:600;cursor:pointer;padding:4px 0;margin-bottom:4px;font-size:.9rem}
    .rolepick__who{display:inline-block;background:rgba(37,99,235,.1);color:var(--blue-d,#1D4ED8);font-weight:700;
      font-size:.82rem;padding:5px 12px;border-radius:999px;margin-bottom:14px}
    .studentnote{background:rgba(20,184,166,.1);border:1px solid rgba(20,184,166,.3);color:#0E7490;
      border-radius:12px;padding:12px 14px;font-size:.86rem;line-height:1.5;margin-bottom:14px}

    /* ===== Logo (rasm) ===== */
    .nav__logo{display:flex;align-items:center;gap:10px}
    .nav__logo-img{height:38px;width:auto;display:block}
    .nav__logo-text{font-family:'Sora',sans-serif;font-weight:800;font-size:1.18rem;letter-spacing:-.01em;
      background:linear-gradient(120deg,#00D9FF,#2563EB 55%,#7B61FF);-webkit-background-clip:text;background-clip:text;color:transparent}
    .preloader__logo-img{width:72px;height:72px;display:block;margin:0 auto 6px;filter:drop-shadow(0 6px 18px rgba(0,217,255,.35))}

    /* ===== Bosh ekran harakatlanuvchi fon (kutubxonasiz) ===== */
    #motionBg{position:absolute;inset:0;width:100%;height:100%;display:block;z-index:0}
    .hero__content{position:relative;z-index:2}
    .hero__canvas{z-index:1}

    /* ===== Hero: chapda robot, o'ngda matn ===== */
    .hero__content{display:flex;align-items:center;justify-content:center;gap:46px;text-align:left;max-width:1160px !important}
    .hero__robot{flex:0 0 42%;display:flex;justify-content:center;position:relative}
    .hero__robot img{width:min(440px,84%);height:auto;position:relative;z-index:2;
      filter:drop-shadow(0 26px 55px rgba(0,140,255,.4));animation:floaty 6s ease-in-out infinite}
    .hero__robot::after{content:"";position:absolute;bottom:4%;left:50%;transform:translateX(-50%);
      width:60%;height:34px;background:radial-gradient(ellipse,rgba(0,180,255,.5),transparent 70%);filter:blur(7px);z-index:1}
    .hero__text{flex:1;min-width:0;position:relative}
    /* matn ortida yumshoq fon — fon chiziqlari harflarга yopishmasligi uchun */
    .hero__text::before{content:"";position:absolute;inset:-28px -34px;z-index:-1;border-radius:40px;
      background:radial-gradient(60% 60% at 40% 45%,rgba(244,249,255,.82),rgba(244,249,255,.45) 55%,transparent 78%);
      filter:blur(6px)}
    .hero__title{position:relative;text-shadow:0 2px 18px rgba(255,255,255,.7)}
    .hero__text .hero__cta,.hero__text .hero__pills{justify-content:flex-start}
    @keyframes floaty{0%,100%{transform:translateY(0)}50%{transform:translateY(-16px)}}
    /* so'zlar chapdan bittalab chiqib keladi */
    .hero__title{overflow:visible}
    .hero__title .word{display:block;opacity:0;transform:translateX(-70px);will-change:transform,opacity;
      animation:wordSlide .7s cubic-bezier(.2,.75,.2,1) forwards}
    .hero__title .word:nth-child(1){animation-delay:.2s}
    .hero__title .word:nth-child(2){animation-delay:.5s}
    .hero__title .word:nth-child(3){animation-delay:.8s}
    @keyframes wordSlide{to{opacity:1;transform:none}}
    @media(max-width:900px){
      .hero__content{flex-direction:column;text-align:center;gap:24px}
      .hero__robot{flex:none;order:-1}
      .hero__robot img{width:min(300px,64%)}
      .hero__text .hero__cta,.hero__text .hero__pills{justify-content:center}
      .hero__title .word{transform:translateY(24px)}
    }

    /* ===== Biz haqimizda ===== */
    .about__wrap{display:flex;align-items:center;gap:48px}
    .about__text{flex:1;min-width:0}
    .about__text .eyebrow{margin-bottom:10px;display:inline-block}
    .about__text .section__title{text-align:left;margin-bottom:14px}
    .about__lead{color:#5B6B7D;font-size:1.04rem;line-height:1.7;margin-bottom:20px}
    .about__list{list-style:none;padding:0;margin:0 0 24px;display:grid;gap:13px}
    .about__list li{display:flex;gap:12px;align-items:flex-start;font-size:.96rem;line-height:1.5;color:#33485E}
    .about__list li b{color:#0F2238}
    .about__list .ic{width:32px;height:32px;border-radius:9px;flex:none;display:grid;place-items:center;font-size:.95rem;color:#fff;
      background:linear-gradient(135deg,#00D9FF,#2563EB);box-shadow:0 8px 16px -8px rgba(37,99,235,.5)}
    .about__stats{display:flex;gap:30px;flex-wrap:wrap}
    .about__stats div{display:flex;flex-direction:column}
    .about__stats b{font-family:'Sora',sans-serif;font-weight:800;font-size:1.9rem;line-height:1;
      background:linear-gradient(120deg,#00D9FF,#7B61FF);-webkit-background-clip:text;background-clip:text;color:transparent}
    .about__stats span{color:#5B6B7D;font-size:.84rem;margin-top:4px}
    .about__media{flex:0 0 40%;display:flex;justify-content:center}
    .about__card{position:relative;overflow:hidden;width:100%;border-radius:26px;padding:38px 34px;
      background:linear-gradient(135deg,#0A2540,#123a63);box-shadow:0 34px 64px -30px rgba(10,37,64,.65)}
    .about__card::before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 72% 18%,rgba(0,217,255,.28),transparent 55%)}
    .about__card img{position:relative;width:min(300px,82%);display:block;margin:0 auto;filter:drop-shadow(0 16px 32px rgba(0,217,255,.45))}
    @media(max-width:880px){
      .about__wrap{flex-direction:column;gap:28px}
      .about__media{flex:none;width:100%;order:-1}
      .about__text .section__title{text-align:center}
      .about__text .eyebrow{display:block;text-align:center;font-size: 25px;}
      .about__stats{justify-content:center}
    }

    /* ===== Tajriba kategoriyalari ===== */
    .section__sub{color:#5B6B7D;font-size:1rem;line-height:1.6;margin-top:6px}
    .cat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:30px}
    .cat-card{background:#fff;border:1px solid #E9EEF5;border-radius:20px;overflow:hidden;text-decoration:none;color:inherit;
      box-shadow:0 12px 30px -20px rgba(10,37,64,.4);transition:transform .25s ease,box-shadow .25s ease;display:flex;flex-direction:column}
    .cat-card:hover{transform:translateY(-6px);box-shadow:0 26px 50px -24px rgba(10,37,64,.5)}
    .cat-card__media{height:140px;display:grid;place-items:center;position:relative;overflow:hidden}
    .cat-card__media svg{width:74px;height:74px}
    .cat-card__img{width:100%;height:100%;object-fit:cover;display:block}
    .cat-card__media::after{content:"";position:absolute;inset:0;background:radial-gradient(circle at 30% 20%,rgba(255,255,255,.25),transparent 60%);pointer-events:none}
    .cat--phys{background:linear-gradient(135deg,#00D9FF,#2563EB)}
    .cat--math{background:linear-gradient(135deg,#7B61FF,#2563EB)}
    .cat--chem{background:linear-gradient(135deg,#16A34A,#00D9FF)}
    .cat--robo{background:linear-gradient(135deg,#2563EB,#7B61FF)}
    .cat-card__body{padding:16px 18px 20px}
    .cat-card__body h3{font-family:'Sora',sans-serif;font-weight:700;font-size:1.08rem;margin:0 0 4px}
    .cat-card__body p{color:#5B6B7D;font-size:.86rem;line-height:1.5;margin:0 0 12px}
    .cat-card__count{font-size:.8rem;font-weight:700;color:#2563EB}
    @media(max-width:880px){.cat-grid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:480px){.cat-grid{grid-template-columns:1fr}}
    /* Bosh sahifa katalogi: 4 ustun (8 ta = 2 qator) */
    #expGrid{grid-template-columns:repeat(4,1fr)}
    @media(max-width:1100px){#expGrid{grid-template-columns:repeat(3,1fr)}}
    @media(max-width:820px){#expGrid{grid-template-columns:repeat(2,1fr)}}
    @media(max-width:520px){#expGrid{grid-template-columns:1fr}}

/* ===== Izohlar (bosh ekran) ===== */
.comment-form{display:flex;gap:12px;align-items:flex-end;max-width:720px;margin:0 auto 28px}
.comment-form textarea{flex:1;min-height:64px;max-height:160px;resize:vertical;padding:13px 15px;
  border:1.5px solid #E6ECF3;border-radius:14px;font:inherit;font-size:.95rem}
.comment-form textarea:focus{outline:none;border-color:#2563EB;box-shadow:0 0 0 4px rgba(37,99,235,.1)}
.comment-note{max-width:720px;margin:0 auto 28px;text-align:center;color:#6B7A8D;font-size:.92rem}
.comment-note a{color:#2563EB;font-weight:700}
.comment-list{display:flex;flex-direction:column;gap:14px;max-width:720px;margin:0 auto}
.comment-empty{text-align:center;color:#6B7A8D;padding:20px}
.comment-item{display:flex;gap:12px;background:#fff;border:1px solid #E6ECF3;border-radius:16px;padding:14px 16px;
  box-shadow:0 10px 26px -20px rgba(10,37,64,.4)}
.comment-item__ava{flex:none;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  color:#fff;font-weight:800;font-family:'Sora',sans-serif;background:linear-gradient(135deg,#00D9FF,#2563EB)}
.comment-item__body{flex:1;min-width:0}
.comment-item__top{display:flex;align-items:baseline;gap:10px;flex-wrap:wrap;margin-bottom:4px}
.comment-item__top b{font-family:'Sora',sans-serif;font-size:.95rem;color:#0F2238}
.comment-item__top span{font-size:.78rem;color:#94A3B8}
.comment-item__body p{color:#33485E;font-size:.92rem;line-height:1.5;margin:0;word-break:break-word}
@media(max-width:560px){.comment-form{flex-direction:column;align-items:stretch}}