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7)}.scrollbar-hide{-ms-overflow-style:none;scrollbar-width:none}.scrollbar-hide::-webkit-scrollbar{display:none}.line-clamp-2{overflow:hidden;display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2}:root{--isi-orange:#ff1e00;--isi-orange-dark:#d91800;--isi-soft:#f7f8fb;--isi-green:#59ce8f;--isi-purple:#5b3cc4;--isi-purple-dark:#4a2fa6;--isi-navy:#151a35;--isi-ink:#111827;--isi-yellow:#f5c518;--isi-grid:#dceaf6;--isi-physics:#e89b2d;--isi-math:#6078c8;--isi-research:#2fa7a0;--isi-olympiad:#7a68c7;--isi-innovation:#3fafd9;--isi-books:#6bbf8a;--isi-surface-canvas:#fcfbf8;--isi-surface-muted:#f7f8fb;--isi-surface-border:#e8e8e8;--isi-surface-border-strong:#cbd5e1;--isi-room-accent:var(--isi-purple);--isi-room-soft:#f7f8fb;--isi-room-surface:#fff;--isi-room-canvas:#fcfbf8;--isi-room-muted:#f3f4f7;--isi-room-border:#e8e8e8;--isi-radius-sm:0.375rem;--isi-radius-md:0.5rem;--isi-radius-lg:0.75rem;--isi-radius-xl:1rem;--isi-shadow-sm:0 12px 40px rgba(0,0,0,.04);--isi-shadow-md:0 12px 40px rgba(0,0,0,.04);--isi-shadow-lg:0 12px 40px rgba(0,0,0,.06);--isi-shadow-glass:0 12px 40px rgba(0,0,0,.04),inset 0 1px 0 hsla(0,0%,100%,.92);--isi-space-gutter:1rem;--isi-space-section-y-sm:3.5rem;--isi-space-section-y:5rem;--isi-duration-fast:150ms;--isi-duration-base:250ms;--isi-duration-slow:400ms;--isi-duration-page:500ms;--isi-ease-standard:cubic-bezier(0.2,0,0,1);--isi-ease-entrance:cubic-bezier(0.16,1,0.3,1);--isi-ease-exit:cubic-bezier(0.4,0,1,1);--isi-stagger-step:60ms;--isi-icon-sm:1rem;--isi-icon-md:1.25rem;--isi-icon-lg:1.5rem}@media (min-width:640px){:root{--isi-space-gutter:1.5rem}}@media (min-width:1024px){:root{--isi-space-gutter:2rem;--isi-space-section-y:5rem}}.isi-room{--isi-glass-border:rgba(0,0,0,.06);--isi-glass-shadow:0 12px 40px rgba(0,0,0,.04),inset 0 1px 0 hsla(0,0%,100%,.92);--isi-room-glow:color-mix(in srgb,var(--isi-room-accent) 10%,transparent)}.isi-room[data-room-theme=courses]{--isi-room-accent:#4f6fff;--isi-room-soft:#f7f8fb;--isi-room-surface:#fff;--isi-room-canvas:#fcfbf8;--isi-room-muted:#f3f4f7;--isi-room-border:#e8e8e8;--isi-courses-navy:#151a35;--isi-courses-blue:#4f6fff;--isi-courses-teal:#41b883;--isi-courses-violet:#4c78ff;--isi-courses-amber:#ff4a1f;--isi-room-field-wash:linear-gradient(180deg,#fcfbf8,#f7f8fb);--isi-room-surface-wash:#fff;--isi-room-canvas-wash:linear-gradient(180deg,#fcfbf8,#fff)}.isi-room[data-room-theme=research]{--isi-room-accent:var(--isi-research);--isi-room-soft:#f7f8fb;--isi-room-surface:#fff;--isi-room-canvas:#fcfbf8;--isi-room-muted:#f3f4f7;--isi-room-border:#e8e8e8;--isi-room-field-wash:#f7f8fb;--isi-room-surface-wash:#fff;--isi-room-canvas-wash:linear-gradient(180deg,#fcfbf8,#fff)}.isi-room[data-room-theme=olympiad]{--isi-room-accent:var(--isi-olympiad);--isi-room-soft:#f7f8fb;--isi-room-surface:#fff;--isi-room-canvas:#fcfbf8;--isi-room-muted:#f3f4f7;--isi-room-border:#e8e8e8;--isi-room-field-wash:#f7f8fb;--isi-room-surface-wash:#fff;--isi-room-canvas-wash:linear-gradient(180deg,#fcfbf8,#fff)}.isi-room[data-room-theme]{background-color:var(--isi-room-canvas)}.isi-room[data-room-theme]>main{background:var(--isi-room-canvas-wash)}.isi-room[data-room-theme] [data-testid=public-header]{border-bottom-color:color-mix(in srgb,var(--isi-room-accent) 12%,#e2e8f0);background-color:color-mix(in srgb,var(--isi-room-surface) 72%,transparent);backdrop-filter:saturate(1.2) blur(16px);-webkit-backdrop-filter:saturate(1.2) blur(16px)}.isi-room-field,.isi-room-surface-field{position:relative;isolation:isolate}.isi-room[data-room-theme] .isi-room-field{background:var(--isi-room-field-wash)}.isi-room[data-room-theme] .isi-room-surface-field{background:var(--isi-room-surface-wash)}.isi-room-field>*,.isi-room-surface-field>*{position:relative;z-index:1}.isi-glass-panel{position:relative;overflow:hidden;border-radius:1rem;border:1px solid var(--isi-glass-border);background:#fff;box-shadow:var(--isi-glass-shadow)}.isi-glass-panel:after{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(ellipse 80% 55% at 12% 0,var(--isi-room-glow),transparent 55%);opacity:.22}.isi-room[data-room-theme] .bg-isi-soft{background-color:var(--isi-room-soft)}.isi-room[data-room-theme] .text-isi-purple{color:var(--isi-room-accent)}.isi-room[data-room-theme] .border-isi-purple{border-color:var(--isi-room-accent)}.isi-room[data-room-theme] .bg-isi-soft\/80{background-color:color-mix(in srgb,var(--isi-room-soft) 80%,transparent)}.isi-room[data-room-theme] .hover\:bg-isi-purple\/5:hover{background-color:color-mix(in srgb,var(--isi-room-accent) 5%,transparent)}.isi-room[data-room-theme] .focus-visible\:ring-isi-purple:focus-visible{--tw-ring-color:var(--isi-room-accent)}.isi-course-experience{--course-accent:var(--isi-purple);--course-accent-border:rgba(91,60,196,.35);--course-accent-soft:var(--isi-soft)}.isi-course-experience[data-course-personality=ap-physics]{--course-accent:#1b4f72;--course-accent-border:rgba(27,79,114,.35);--course-accent-soft:#e8f1f7}.isi-course-experience[data-course-personality=mathematical-physics]{--course-accent:#3d2a6d;--course-accent-border:rgba(61,42,109,.35);--course-accent-soft:#f1eef8}.isi-course-experience[data-course-personality=stem-research]{--course-accent:#0f5c4c;--course-accent-border:rgba(15,92,76,.35);--course-accent-soft:#e7f5f1}.isi-course-experience[data-course-personality=olympiad]{--course-accent:#5a3a12;--course-accent-border:rgba(90,58,18,.35);--course-accent-soft:#f7f0e6}.isi-course-hero:before{content:"";position:absolute;inset:0;pointer-events:none;background:linear-gradient(135deg,color-mix(in srgb,var(--course-accent-soft) 70%,transparent) 0,transparent 55%)}@media (prefers-reduced-motion:reduce){:root{--isi-duration-fast:0ms;--isi-duration-base:0ms;--isi-duration-slow:0ms;--isi-duration-page:0ms;--isi-stagger-step:0ms}html{scroll-behavior:auto}.isi-motion-fade,.isi-motion-hero-illust,.isi-motion-page,.isi-motion-reveal,.isi-motion-stagger>*{animation:none!important;opacity:1!important;transform:none!important}*,:after,:before{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}}@keyframes isi-fade{0%{opacity:0}to{opacity:1}}@keyframes isi-reveal{0%{opacity:0;transform:translateY(.75rem)}to{opacity:1;transform:translateY(0)}}@keyframes isi-page{0%{opacity:0;transform:translateY(.5rem)}to{opacity:1;transform:translateY(0)}}.isi-nav-core{--isi-nav-orbit:38.5;--isi-nav-face:clamp(4.35rem,19vw,5.75rem);--isi-nav-face-h:calc(var(--isi-nav-face) * 0.8660254);--isi-nav-label:clamp(0.78rem,2.2vw,0.94rem);--isi-nav-status:clamp(0.62rem,1.5vw,0.7rem);--isi-nav-icon:clamp(1.05rem,3vw,1.3rem);--isi-nav-gap:0.1rem;--isi-nav-content-pad-x:0.32rem;--isi-nav-content-pad-y:0.24rem}@media (max-width:379px){.isi-nav-core{--isi-nav-orbit:37.5;--isi-nav-face:clamp(3.9rem,18vw,4.5rem);--isi-nav-label:0.72rem;--isi-nav-status:0.58rem;--isi-nav-icon:1rem;--isi-nav-content-pad-x:0.28rem;--isi-nav-content-pad-y:0.2rem}}@media (min-width:640px){.isi-nav-core{--isi-nav-orbit:39;--isi-nav-face:6.75rem;--isi-nav-label:0.96rem;--isi-nav-status:0.7rem;--isi-nav-icon:1.35rem;--isi-nav-gap:0.14rem}}@media (min-width:1024px){.isi-nav-core{--isi-nav-orbit:39;--isi-nav-face:8.35rem;--isi-nav-label:0.98rem;--isi-nav-status:0.7rem;--isi-nav-icon:1.4rem;--isi-nav-gap:0.16rem;--isi-nav-content-pad-x:0.5rem;--isi-nav-content-pad-y:0.32rem}}.isi-nav-atmosphere{position:relative;isolation:isolate;overflow-x:clip;background-color:#fafaf8;border-bottom:1px solid rgba(0,0,0,.06);transition:background-color 0s}.isi-nav-atmosphere,.isi-nav-atmosphere[data-academic-theme=isi-physics]{--isi-nav-theme:var(--isi-physics)}.isi-nav-atmosphere[data-academic-theme=isi-math]{--isi-nav-theme:var(--isi-math)}.isi-nav-atmosphere[data-academic-theme=isi-research]{--isi-nav-theme:var(--isi-research)}.isi-nav-atmosphere[data-academic-theme=isi-olympiad]{--isi-nav-theme:var(--isi-olympiad)}.isi-nav-atmosphere[data-academic-theme=isi-innovation]{--isi-nav-theme:var(--isi-innovation)}.isi-nav-atmosphere[data-academic-theme=isi-books]{--isi-nav-theme:var(--isi-books)}.isi-nav-atmosphere-wash{pointer-events:none;position:absolute;inset:0;z-index:0;background:radial-gradient(ellipse 42% 36% at 78% 28%,color-mix(in srgb,var(--isi-nav-theme) 2.2%,transparent),transparent 70%),linear-gradient(180deg,#fafaf8 0,#fff 72%,#f7f8fb 100%)}.isi-nav-field{z-index:0;color:color-mix(in srgb,var(--isi-nav-theme) 42%,#64748b);opacity:.14;-webkit-mask-image:radial-gradient(ellipse 85% 70% at 65% 40%,#000 0,#000 45%,transparent 78%);mask-image:radial-gradient(ellipse 85% 70% at 65% 40%,#000 0,#000 45%,transparent 78%)}@media (max-width:639px){.isi-nav-field{opacity:.09}}.isi-nav-visual-aura{position:relative}.isi-nav-visual-aura:before{content:"";pointer-events:none;position:absolute;inset:-6% -4%;z-index:0;border-radius:1.25rem;background:radial-gradient(ellipse 70% 65% at 50% 45%,color-mix(in srgb,var(--isi-nav-theme) 4%,transparent),transparent 72%);opacity:.55}.isi-nav-visual-aura>*{position:relative;z-index:1}.isi-course-visual-soften{-webkit-mask-image:radial-gradient(ellipse 92% 88% at 50% 50%,#000 58%,rgba(0,0,0,.55) 78%,transparent 100%);mask-image:radial-gradient(ellipse 92% 88% at 50% 50%,#000 58%,rgba(0,0,0,.55) 78%,transparent 100%)}.isi-nav-selector-ring{transform-origin:200px 200px}.isi-nav-connector-active{transition:stroke var(--isi-duration-base) var(--isi-ease-standard),stroke-width var(--isi-duration-base) var(--isi-ease-standard)}.isi-nav-perimeter-light{pointer-events:none;position:absolute;left:50%;top:50%;z-index:1;width:42%;height:42%;transform:translate(-50%,-50%);border-radius:9999px;-webkit-mask:radial-gradient(farthest-side,transparent calc(100% - 3.5px),#000 calc(100% - 2.5px),#000 calc(100% - .75px),transparent 100%);mask:radial-gradient(farthest-side,transparent calc(100% - 3.5px),#000 calc(100% - 2.5px),#000 calc(100% - .75px),transparent 100%);opacity:.62}.isi-nav-perimeter-light-spin{width:100%;height:100%;border-radius:inherit;background:conic-gradient(from 0deg,transparent 0deg 318deg,hsla(0,0%,100%,.05) 328deg,hsla(0,0%,100%,.55) 338deg,rgba(232,249,253,.45) 346deg,rgba(220,234,246,.2) 352deg,transparent 1turn);animation:isi-nav-perimeter-orbit 11s linear infinite}.isi-nav-core[data-motion-paused=true] .isi-nav-perimeter-light-spin{animation-play-state:paused}@keyframes isi-nav-perimeter-orbit{to{transform:rotate(1turn)}}.isi-nav-module{display:grid;place-items:center;width:var(--isi-nav-face);height:var(--isi-nav-face-h);min-width:2.75rem;min-height:2.75rem;left:var(--isi-nav-x,50%);top:var(--isi-nav-y,50%);transform:translate(-50%,-50%);z-index:2;padding:0;border-radius:.35rem;background:transparent;text-align:center;outline:none;transition:left var(--isi-duration-slow) var(--isi-ease-standard),top var(--isi-duration-slow) var(--isi-ease-standard)}.isi-nav-center-button{border:none;background:transparent;cursor:pointer;border-radius:9999px;outline:none;transition:transform var(--isi-duration-base) var(--isi-ease-standard),filter var(--isi-duration-base) var(--isi-ease-standard)}.isi-nav-center-button:hover .isi-nav-center-3d{filter:brightness(1.03)}.isi-nav-center-button:active .isi-nav-center-3d{transform:translate(-50%,-50%) scale(.985)}.isi-nav-center-button:focus-visible{outline:2px solid var(--isi-purple);outline-offset:3px;box-shadow:0 0 0 5px hsla(0,0%,100%,.95),0 0 0 7px rgba(91,60,196,.35)}.isi-nav-center-3d{width:100%;height:100%;filter:drop-shadow(0 4px 10px rgb(15 23 42/.12)) drop-shadow(0 1px 2px rgb(15 23 42/.08));transition:filter var(--isi-duration-base) var(--isi-ease-standard),transform var(--isi-duration-base) var(--isi-ease-standard)}.isi-nav-center-3d,.isi-nav-center-bezel,.isi-nav-center-face,.isi-nav-center-lens,.isi-nav-center-rim,.isi-nav-center-specular{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);border-radius:9999px;pointer-events:none}.isi-nav-center-bezel{width:100%;height:100%;background:linear-gradient(155deg,#fff,#e8eef5 38%,#c5d0dc 72%,#9aabbc);box-shadow:inset 0 1.5px 0 hsla(0,0%,100%,.95),inset 0 -2px 3px rgba(27,22,64,.18),0 0 0 1px rgba(27,22,64,.08)}.isi-nav-center-rim{width:88%;height:88%;background:linear-gradient(160deg,#fff,#f1f5f9 40%,#d5e0eb 78%,#b0bfce);box-shadow:inset 0 2px 0 hsla(0,0%,100%,.9),inset 0 -3px 5px 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hsla(0,0%,100%,.42)}.isi-nav-module:focus-visible .isi-nav-shell-tint,.isi-nav-module:hover .isi-nav-shell-tint{background:color-mix(in srgb,var(--isi-nav-academic,#dceaf6) 20%,transparent)}.isi-nav-module:focus-visible .isi-nav-shell-stack,.isi-nav-module:hover .isi-nav-shell-stack{filter:drop-shadow(0 4px 8px rgb(15 23 42/.12)) drop-shadow(0 1px 2px rgb(15 23 42/.07))}.isi-nav-module-selected .isi-nav-shell-stack{filter:drop-shadow(0 0 .5px color-mix(in srgb,var(--isi-nav-academic) 55%,transparent)) drop-shadow(0 5px 14px color-mix(in srgb,var(--isi-nav-academic) 32%,transparent)) drop-shadow(0 2px 4px rgb(15 23 42/.08))}.isi-nav-module-selected .isi-nav-shell-tint{background:color-mix(in srgb,var(--isi-nav-academic,#dceaf6) 22%,transparent);opacity:.95}.isi-nav-module-selected .isi-nav-shell-outer{box-shadow:inset 0 1px 0 hsla(0,0%,100%,.95),inset 0 -1px 1px rgba(27,22,64,.1),0 0 0 1px color-mix(in srgb,var(--isi-nav-academic) 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