:root{--nse-primary:#854df4;--nse-primary-dark:#6d28d9;--nse-primary-light:#7b65ff;--nse-primary-faded:#ede9fe;--nse-primary-border:#ddd6fe;--nse-accent-gradient:linear-gradient(88.83deg, #904fb3 1.69%, #4946f7 98.97%);--nse-bg:#fff;--nse-card-bg:#fff;--nse-text:#0a0a0a;--nse-text-muted:#64748b;--nse-border:#e2e8f0;--nse-radius:14px}.nse-olympiad-page{background-color:var(--nse-bg);color:var(--nse-text);box-sizing:border-box;width:100%;max-width:100%;font-family:inherit;overflow-x:clip}body:has(.nse-olympiad-page){background-color:var(--nse-bg);color:var(--nse-text);box-sizing:border-box;width:100%;max-width:100%;font-family:inherit;overflow-x:clip}.nse-olympiad-page .container{box-sizing:border-box;width:100%;max-width:1380px;margin-left:auto;margin-right:auto;padding-left:1.25rem;padding-right:1.25rem}.nse-hero-section{background:conic-gradient(#f2f1ff -43.2deg,#f3f1ff 46.8deg,#f5eaff 90deg,#ffefff 136.8deg,#f7ecfc 180deg,#ffefff 226.8deg,#f5eaff 270deg,#f2f1ff 316.8deg,#f3f1ff 406.8deg);border-radius:0;width:100%;padding:3.5rem 0}.nse-hero-card{box-shadow:none;background:0 0;border:none;border-radius:0;grid-template-columns:1.2fr .8fr;align-items:center;gap:2.5rem;padding:0;display:grid;position:relative;overflow:visible}.nse-hero-pretitle-badge{background:#fff;border:1px solid #e2d5fe;border-radius:30px;align-items:center;gap:8px;width:-moz-fit-content;width:fit-content;margin-bottom:1.25rem;padding:6px 14px;display:inline-flex;box-shadow:0 2px 8px #854df40f}.nse-pretitle-icon{flex-shrink:0;width:24px;height:24px;display:block}.nse-hero-pretitle{letter-spacing:1.2px;text-transform:uppercase;background:radial-gradient(50% 50%,#4946f7 0%,#904fb3 100%);-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text;margin:0;font-size:1rem;display:inline-block}.nse-hero-title{color:#272727;margin:0 0 1rem;font-size:3.5rem;font-weight:600;line-height:1.15}.nse-hero-title span{background:radial-gradient(50% 50%,#904fb3 0%,#4946f7 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;display:block}.nse-hero-desc{color:#475569;max-width:600px;margin-bottom:1.5rem;font-size:1.05rem;line-height:1.6}.nse-hero-divider{background:repeating-linear-gradient(90deg,#c8bfff 0 6px,#0000 6px 12px);border:none;width:100%;max-width:600px;height:1px;margin:1.5rem 0}.nse-hero-badges{flex-wrap:wrap;gap:10px;display:flex}.nse-hero-sub-text{color:#4c4c4c;margin-top:1.25rem;margin-bottom:0;font-size:1rem;line-height:1.4}.nse-hero-badge{color:#475569;background:#fff;border:1px solid #e2e8f0;border-radius:30px;align-items:center;gap:6px;padding:6px 14px;font-size:.85rem;font-weight:500;display:inline-flex;box-shadow:0 2px 6px #00000005}.nse-hero-badge i{color:var(--nse-primary);font-size:.8rem}.nse-hero-visual{justify-content:center;align-items:center;display:flex;position:relative}.nse-hero-visual-mobile{display:none}.nse-hero-visual-desktop{display:flex}.nse-hero-mockup-wrapper{width:100%;max-width:520px;box-shadow:none;border:none;border-radius:0;position:relative;overflow:visible}.nse-hero-mockup-wrapper img{object-fit:contain;border-radius:12px;width:100%;height:auto;display:block}.nse-courses-section{background:#fff;padding:1.5rem 0 3.5rem}#nseSeriesSection,#nseOverviewSection,#nseAboutSection,#nseFaqSection{scroll-margin-top:80px}.nse-quick-nav-wrap{border-bottom:1px solid #ececec;width:100%;margin-bottom:2rem}.nse-quick-nav{justify-content:flex-start;align-items:center;gap:2.25rem;width:100%;margin:0;padding:0;display:flex}.nse-quick-nav-item{color:#4e4e4e;cursor:pointer;white-space:nowrap;-webkit-user-select:none;user-select:none;background:0 0;border:none;outline:none;padding:.75rem 0;font-family:inherit;font-size:18px;transition:color .25s;position:relative}.nse-quick-nav-item:hover{color:#1a1a1a}.nse-quick-nav-item.active{background:linear-gradient(90deg,#4946f7 0%,#904fb3 100%);-webkit-text-fill-color:transparent;color:#0000;-webkit-background-clip:text;background-clip:text;font-size:18px;font-weight:600}.nse-quick-nav-item.active:after{content:"";background:linear-gradient(90deg,#4946f7 0%,#904fb3 100%);border-radius:2px 2px 0 0;width:100%;height:2.5px;position:absolute;bottom:-1px;left:0}.nse-section-header{margin-bottom:2rem}.nse-section-title{color:var(--nse-text);margin:0 0 .5rem;font-size:2.25rem;font-weight:600;line-height:1.25}.nse-section-subtitle{color:#505050;margin:0;font-size:1.25rem}.nse-course-filter-wrap{flex-wrap:wrap;align-items:center;gap:12px;margin-top:1.5rem;margin-bottom:2rem;display:flex}.nse-filter-btn{color:#475569;cursor:pointer;-webkit-user-select:none;user-select:none;white-space:nowrap;background:#fff;border:1px solid #eaeaea;border-radius:8px;padding:10px 22px;font-family:inherit;font-size:.95rem;font-weight:500;transition:all .25s}.nse-filter-btn:hover{color:#834dc0;border-color:#834dc0}.nse-filter-btn.active{color:#fff;background:linear-gradient(#834dc0 0%,#9f6bce 100%);border:1px solid #0000;border-radius:8px;box-shadow:0 4px 12px #834dc040}.nse-cards-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.75rem;width:100%;display:grid}.nse-card{border-radius:var(--nse-radius);background:#fff;border:1px solid #ece7fe;flex-direction:column;transition:transform .3s cubic-bezier(.25,.8,.25,1),box-shadow .3s cubic-bezier(.25,.8,.25,1);display:flex;overflow:hidden;box-shadow:0 4px 20px #0000000a}.nse-card:hover{border-color:var(--nse-primary-border);transform:translateY(-8px);box-shadow:0 16px 36px #854df41f}.nse-card-image-wrap{background:#f2f2f2;width:100%;position:relative;overflow:hidden}.nse-card-top-img{aspect-ratio:4/3;object-fit:cover;width:100%;height:auto;transition:transform .4s;display:block}.nse-card:hover .nse-card-top-img{transform:scale(1.03)}.nse-card-info-icon{color:#fff;z-index:2;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0f172a8c;border:1.5px solid #ffffffbf;border-radius:50%;justify-content:center;align-items:center;width:22px;height:22px;font-size:11px;font-weight:600;transition:all .25s;display:flex;position:absolute;top:12px;left:14px}.nse-card-info-icon:hover{background:var(--nse-primary);border-color:var(--nse-primary);transform:scale(1.1)}.nse-card-header{color:#fff;background:linear-gradient(135deg,#1b1747 0%,#2a2278 50%,#4338ca 100%);flex-direction:column;justify-content:flex-start;min-height:155px;padding:1.25rem 1.25rem 1rem;display:flex;position:relative;overflow:hidden}.nse-card-header-content{z-index:2;max-width:65%;margin-top:1.4rem;position:relative}.nse-card-header-subject{text-transform:uppercase;color:#fff;letter-spacing:.5px;margin-bottom:6px;font-size:.875rem;font-weight:800;line-height:1.25}.nse-card-header-badge{color:#fff;letter-spacing:.5px;text-transform:uppercase;background:#6366f1;border-radius:4px;margin-bottom:6px;padding:2px 7px;font-size:.65rem;font-weight:600;display:inline-block}.nse-card-header-features{margin:4px 0 0;padding:0;list-style:none}.nse-card-header-features li{color:#ffffffd9;padding-left:10px;font-size:.68rem;line-height:1.35;position:relative}.nse-card-header-features li:before{content:"•";color:#818cf8;position:absolute;left:0}.nse-card-header-teacher{object-fit:cover;pointer-events:none;z-index:1;max-width:42%;height:145px;position:absolute;bottom:0;right:0}.nse-card-body{flex-direction:column;flex:1;padding:1.35rem 1.5rem;display:flex}.nse-card-main-title{color:#1a1a1a;margin:0 0 .5rem;font-size:1.5rem;font-weight:500;line-height:1.25}.nse-card-tags-row{gap:6px;margin-bottom:.85rem;display:flex}.nse-card-tag{color:#373737;background:#f3f3f3;border-radius:6px;padding:3px 10px;font-size:.875rem}.nse-card-price-row{align-items:center;gap:8px;margin-bottom:1.15rem;display:flex}.nse-card-price-label,.nse-card-price-old{color:#888;font-size:.95rem;font-weight:500;text-decoration:line-through}.nse-card-price-val{color:var(--nse-text);font-size:1.25rem;font-weight:600}.nse-card-off-badge{color:#15803d;background:#dcfce7;border-radius:4px;padding:3px 8px;font-size:.72rem;font-weight:600}.nse-btn-enroll{text-align:center;background:var(--nse-accent-gradient);color:#fff;cursor:pointer;border:none;border-radius:8px;justify-content:center;align-items:center;gap:8px;width:100%;margin-bottom:1.35rem;padding:.75rem 1.25rem;font-size:.95rem;font-weight:600;text-decoration:none;transition:all .3s;display:flex}.nse-btn-enroll:hover{color:#fff;transform:translateY(-2px);box-shadow:0 6px 16px #4946f759}.nse-card-features-list{margin:0;padding:0;list-style:none}.nse-card-features-list li{color:#475569;align-items:flex-start;gap:.6rem;margin-bottom:.7rem;font-size:.875rem;line-height:1.45;display:flex}.nse-feature-check{background:var(--nse-primary-faded);width:18px;height:18px;color:var(--nse-primary);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-top:2px;display:flex}.nse-feature-check i{font-size:.6rem}.nse-intro-section{background:#fff;padding:1rem}.nse-intro-grid{grid-template-columns:1fr 1fr;align-items:center;gap:3rem;display:grid}.nse-intro-title{color:var(--nse-text);margin:0;font-size:2.2rem;font-weight:600;line-height:1.25}.nse-intro-desc{color:#475569;margin:0;font-size:1.05rem;line-height:1.7}.nse-about-section{content-visibility:auto;contain-intrinsic-size:auto 600px;background:linear-gradient(#f9f7ff 0%,#f4efff 100%);border:1px solid #ede6fd;border-radius:12px;margin-top:2.5rem;padding:2.5rem 0}.nse-about-header{text-align:center;margin-bottom:3rem}.nse-about-title{color:var(--nse-text);margin:0 0 .5rem;font-size:2.2rem;font-weight:600}.nse-about-subtitle{color:var(--nse-text-muted);margin:0;font-size:1.05rem}.nse-about-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:1.5rem;display:grid}.nse-about-card{background:#fff;border:1px solid #e9d5ff;border-radius:14px;flex-direction:column;padding:1.75rem;transition:all .25s;display:flex;position:relative}.nse-about-card:hover{border-color:#c084fc;transform:translateY(-4px);box-shadow:0 10px 25px #854df41a}.nse-about-top-row{justify-content:space-between;align-items:center;margin-bottom:1.25rem;display:flex}.nse-about-icon-box{background:linear-gradient(#834dc0 0%,#4946f7 100%);border-radius:10px;justify-content:center;align-items:center;width:44px;height:44px;display:flex;box-shadow:0 4px 4px #774bcb45}.nse-about-icon-box img{object-fit:contain;width:auto;max-width:24px;height:auto;max-height:24px;display:block}.nse-about-plus,.nse-about-star{object-fit:contain;width:14px;height:14px;display:inline-block}.nse-about-card-title{color:var(--nse-text);margin:0 0 .5rem;font-size:1.15rem;font-weight:600}.nse-about-card-desc{color:#475569;margin:0;font-size:.92rem;line-height:1.55}.nse-about-controls{display:none}.nse-succeed-section{text-align:center;content-visibility:auto;contain-intrinsic-size:auto 550px;padding:4.5rem 0}.nse-succeed-title{color:var(--nse-text);margin-bottom:3rem;font-size:2.2rem;font-weight:600}.cd-steps-wrap{justify-content:center;align-items:center;gap:1.5rem;display:flex;position:relative}.cd-step{text-align:center;background:#fff;border:1px solid #ece7fe;border-radius:16px;flex-direction:column;flex:1;align-items:center;max-width:360px;padding:2.25rem 1.75rem;transition:transform .3s,box-shadow .3s;display:flex;box-shadow:0 4px 20px #0000000a}.cd-step:hover{border-color:var(--nse-primary-border);transform:translateY(-6px);box-shadow:0 12px 30px #854df41a}.cd-step-icon{background:var(--nse-primary);color:#fff;border-radius:12px;justify-content:center;align-items:center;width:56px;height:56px;margin-bottom:1.25rem;font-size:1.35rem;display:flex;box-shadow:0 6px 16px #854df44d}.cd-step-title{color:var(--nse-text);margin-bottom:.6rem;font-size:1.2rem;font-weight:600;display:block}.cd-step p{color:#64748b;margin:0;font-size:.92rem;line-height:1.6}.cd-step-arrow{flex-shrink:0;justify-content:center;align-items:center;width:60px;display:flex}.cd-step-arrow img{width:38px;height:auto}.cd-desktop-only{display:flex}.cd-mobile-only{display:none}.cd-faq-section{content-visibility:auto;contain-intrinsic-size:auto 650px;padding:2rem 0}.cd-faq-title{color:var(--nse-text);text-align:center;margin-bottom:.5rem;font-size:2.2rem;font-weight:600}.cd-faq-subtitle{color:var(--nse-text-muted);text-align:center;max-width:650px;margin:0 auto 3rem;font-size:1.05rem}.cd-faq-grid{grid-template-columns:1fr 1fr;gap:1.5rem;display:grid}.cd-faq-col{flex-direction:column;gap:1rem;display:flex}.cd-faq-item{cursor:pointer;background:#fff;border:1px solid #ece7fe;border-radius:12px;padding:1.2rem 1.4rem;transition:all .25s;box-shadow:0 2px 10px #00000005}.cd-faq-item:hover{border-color:var(--nse-primary-faded);box-shadow:0 4px 14px #854df40f}.cd-faq-q{-webkit-user-select:none;user-select:none;justify-content:space-between;align-items:center;gap:1rem;display:flex}.cd-faq-q>span{color:var(--nse-text);font-size:.975rem;font-weight:600;line-height:1.4}.cd-faq-icon{width:28px;height:28px;color:var(--nse-primary);background:#f8f6ff;border:1px solid #e2e8f0;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;transition:transform .3s,background .25s;display:flex}.cd-faq-icon i{font-size:.75rem;transition:transform .3s}.cd-faq-a{color:#475569;border-top:1px solid #f1f5f9;margin-top:.85rem;padding-top:.85rem;font-size:.92rem;line-height:1.6;display:none}.cd-faq-item.active{border-color:var(--nse-primary-border);box-shadow:0 6px 20px #854df414}.cd-faq-item.active .cd-faq-icon{background:var(--nse-primary);color:#fff;border-color:var(--nse-primary)}.cd-faq-item.active .cd-faq-icon i{transform:rotate(180deg)}.cd-faq-item.active .cd-faq-a{display:block}.nse-counselor-banner{background:#fff;border:1px solid #e2d5fe;border-radius:16px;justify-content:space-between;align-items:center;gap:2rem;margin-top:3.5rem;padding:1.75rem 2.5rem;display:flex;box-shadow:0 8px 24px #854df40f}.nse-counselor-title{color:var(--nse-text);margin:0 0 .35rem;font-size:1.25rem;font-weight:600}.nse-counselor-desc{color:var(--nse-text-muted);margin:0;font-size:.95rem}.nse-btn-counselor{background:var(--nse-accent-gradient);color:#fff;white-space:nowrap;border-radius:8px;flex-shrink:0;align-items:center;gap:8px;padding:.75rem 1.5rem;font-size:1rem;text-decoration:none;transition:all .25s;display:inline-flex}.nse-btn-counselor:hover{color:#fff;transform:translateY(-2px);box-shadow:0 6px 18px #4946f759}@media (max-width:1024px){.nse-hero-card{grid-template-columns:1fr;gap:2rem;padding:0}.nse-hero-visual-desktop{display:none!important}.nse-hero-visual-mobile{justify-content:center;width:100%;margin:1.25rem 0 1.5rem;display:flex!important}.nse-hero-visual-mobile .nse-hero-mockup-wrapper{max-width:380px;margin:0 auto}.nse-cards-grid,.nse-about-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.nse-intro-grid{grid-template-columns:1fr;gap:1.5rem}}@media (max-width:768px){.nse-hero-title{font-size:2rem}.nse-section-title,.nse-about-title,.nse-succeed-title,.cd-faq-title,.nse-intro-title{font-size:1.65rem}.nse-quick-nav-wrap{scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;margin-bottom:1.5rem;margin-left:-1.25rem;margin-right:-1.25rem;padding-left:1.25rem;padding-right:1.25rem;overflow-x:auto}.nse-quick-nav-wrap::-webkit-scrollbar{display:none}.nse-quick-nav{flex-wrap:nowrap;justify-content:flex-start;align-items:center;gap:1.75rem;width:max-content;min-width:100%;margin:0;padding:0;display:flex}.nse-quick-nav-item{flex-shrink:0;padding:.6rem 0;font-size:18px}.nse-course-filter-wrap{scroll-behavior:smooth;-webkit-overflow-scrolling:touch;scrollbar-width:none;-ms-overflow-style:none;flex-wrap:nowrap;gap:10px;margin-left:-1.25rem;margin-right:-1.25rem;padding-bottom:6px;padding-left:1.25rem;padding-right:1.25rem;display:flex;overflow-x:auto}.nse-course-filter-wrap::-webkit-scrollbar{display:none}.nse-filter-btn{flex:none}.nse-cards-grid{grid-template-columns:1fr}.nse-about-section{margin-top:1.75rem;padding:2rem 0}.nse-about-grid{scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none;grid-template-rows:repeat(2,auto);grid-auto-columns:100%;grid-auto-flow:column;gap:.75rem;padding:.25rem 0;display:grid;position:relative;overflow-x:auto;grid-template-columns:none!important}.nse-about-grid::-webkit-scrollbar{display:none}.nse-about-card{scroll-snap-align:start;box-sizing:border-box;background:#fff;border:1px solid #ece7fe;border-radius:16px;flex-direction:column;justify-content:flex-start;width:100%;min-width:100%;max-width:100%;padding:1.1rem 1.25rem;display:flex;box-shadow:0 2px 10px #854df40a}.nse-about-top-row{justify-content:space-between;align-items:center;margin-bottom:.65rem;display:flex}.nse-about-icon-box{border-radius:10px;width:38px;height:38px}.nse-about-icon-box img{max-width:20px;max-height:20px}.nse-about-star{width:13px;height:13px}.nse-about-card-title{color:#111827;margin:.25rem 0 .35rem;font-size:1.05rem;font-weight:600;line-height:1.3}.nse-about-header{margin-bottom:1.5rem}.nse-about-subtitle{font-size:.92rem}.nse-about-card-desc{color:#4b5563;margin:0;font-size:.85rem;line-height:1.45}.nse-about-controls{justify-content:center;align-items:center;gap:1rem;margin-top:1.25rem;display:flex}.nse-about-nav-btn{color:#1f2937;cursor:pointer;background:#fff;border:1px solid #e2e8f0;border-radius:50%;justify-content:center;align-items:center;width:44px;height:44px;padding:0;font-size:.9rem;transition:all .25s;display:flex;box-shadow:0 2px 6px #00000008}.nse-about-nav-btn:hover{color:#834dc0;border-color:#834dc0;transform:scale(1.05)}.nse-about-nav-btn:active{transform:scale(.95)}.nse-about-nav-btn i{pointer-events:none}.nse-about-dots{align-items:center;gap:6px;display:flex}.nse-about-dot{cursor:pointer;background:#e5e7eb;border-radius:50%;width:8px;height:8px;transition:all .3s}.nse-about-dot.active{background:linear-gradient(90deg,#8b5cf6 0%,#a855f7 100%);border-radius:6px;width:30px;height:8px}.cd-desktop-only{display:none!important}.cd-mobile-only{display:block!important}.nse-succeed-section{padding:2.75rem 0}.cd-succeed-mobile-carousel{width:100%;position:relative;overflow:hidden}.cd-succeed-mobile-viewport{width:100%;padding:.5rem 0;overflow:hidden}.cd-succeed-mobile-track{will-change:transform;align-items:stretch;width:300%;transition:transform .4s cubic-bezier(.25,.8,.25,1);display:flex}.cd-succeed-mobile-slide{box-sizing:border-box;flex:0 0 33.3333%;justify-content:center;align-items:center;width:33.3333%;min-width:33.3333%;max-width:33.3333%;padding:0 .5rem;display:flex;position:relative}.cd-step-mobile{text-align:center;background:#fff;border:1px solid #ece7fe;border-radius:18px;flex-direction:column;align-items:center;width:100%;max-width:280px;margin:0 auto;padding:1.75rem 1.25rem 1.5rem;display:flex;position:relative;box-shadow:0 4px 20px #854df414}.cd-step-mobile .cd-step-icon{color:#fff;background:#854df4;border-radius:14px;justify-content:center;align-items:center;width:52px;height:52px;margin:0 auto 1rem;font-size:1.35rem;display:flex;box-shadow:0 6px 16px #854df440}.cd-step-mobile .cd-step-title{color:#111827;margin-bottom:.45rem;font-size:1.12rem;font-weight:600;display:block}.cd-step-mobile p{color:#64748b;margin:0;font-size:.88rem;line-height:1.5}.cd-step-arrow-mobile{z-index:10;pointer-events:none;position:absolute;top:50%;right:-24px;transform:translateY(-50%)}.cd-step-arrow-mobile img{width:44px;height:auto;display:block}.cd-step-arrow-mobile .cd-rotate-down{transform:rotate(-6deg)}.cd-step-arrow-mobile .cd-rotate-up{transform:rotate(6deg)}.nse-succeed-controls{margin-top:1.25rem}.cd-faq-grid{grid-template-columns:1fr}.nse-counselor-banner{text-align:center;flex-direction:column;padding:1.5rem}.nse-btn-counselor{justify-content:center;width:100%}}