:root{--penaura-sidebar-collapsed-width:56px;--penaura-sidebar-expanded-width:280px;--penaura-sky:#d8f8f8;--penaura-sky-soft:#eefcfd;--penaura-paper:#fbfeff;--penaura-paper-warm:#fffdf8;--penaura-surface:#fff;--penaura-ink:#101114;--penaura-navy:#17223b;--penaura-muted:#66738f;--penaura-line:#d7e6ec;--penaura-blue:#4a7dff;--penaura-violet:#796fe8;--penaura-amber:#e9a72f;--penaura-green:#2f8f63;--penaura-coral:#c9515c;--penaura-ui:"Nunito Sans", "Avenir Next", ui-rounded, system-ui, sans-serif;--penaura-serif:"Fraunces", "Iowan Old Style", "Palatino Linotype", Georgia, serif;--penaura-shadow:0 26px 70px #1f3d4e24, 0 2px 8px 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h1{max-width:500px;color:var(--penaura-ink);font-family:var(--penaura-serif);letter-spacing:-.06em;margin:.8rem 0 0;font-size:clamp(3.3rem,5vw,6.1rem);font-weight:540;line-height:.91}.penaura-hero__copy h1 em{color:#2a6b73;text-wrap:balance;white-space:normal;font-style:italic;font-weight:520;position:relative}.penaura-hero__copy h1 em:after{background:var(--penaura-ink);content:"";opacity:.82;border-radius:50%;height:.1em;position:absolute;bottom:-.18em;left:3%;right:1%;transform:rotate(-1.2deg)scaleX(.96)}.penaura-hero__beta-note{max-width:440px;color:var(--penaura-muted,#64748b)!important;margin:.75rem 0 0!important;font-size:.82rem!important;font-weight:500!important;line-height:1.4!important}.penaura-hero__proof{color:#3f5360;gap:.7rem;margin-top:1.6rem;font-size:.79rem;font-weight:720;display:grid}.penaura-hero__proof span{align-items:center;gap:.65rem;display:flex}.penaura-hero__proof 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strong{color:var(--penaura-ink);font-size:.88rem;font-weight:820}.penaura-profile-summary__identity small{color:var(--penaura-muted);margin-top:.14rem;font-size:.68rem;font-weight:560}.penaura-profile-summary__status{color:#45556f;justify-content:space-between;align-items:baseline;gap:.6rem;font-size:.67rem;font-weight:720;display:flex}.penaura-profile-summary__status small{color:#9a681d;white-space:nowrap;font-size:.65rem}.penaura-profile-summary__progress{background:#e8f0f3;border-radius:99px;grid-column:1/-1;height:3px;overflow:hidden}.penaura-profile-summary__progress i{border-radius:inherit;background:var(--penaura-amber);height:100%;display:block}.penaura-profile-menu__separator{background:#d7e6eceb;height:1px;margin:.35rem .5rem}.penaura-profile-menu__group{gap:.18rem;display:grid}.penaura-profile-menu__item{color:#33415d;-webkit-user-select:none;user-select:none;border:1px solid #0000;border-radius:12px;align-items:center;gap:.72rem;min-height:43px;padding:.55rem 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(prefers-reduced-motion:reduce){.penaura-header__account-skeleton:after{animation:none}.penaura-profile-trigger,.penaura-profile-avatar,.penaura-profile-trigger__curve path,.penaura-profile-menu__item,.penaura-profile-menu__item svg{transition-duration:1ms}.penaura-profile-menu[data-state=open]{animation:.12s ease-out penaura-profile-menu-fade-in;animation-duration:.12s!important}.penaura-profile-menu[data-state=closed]{animation:.1s ease-in penaura-profile-menu-fade-out;animation-duration:.1s!important}}@keyframes penaura-profile-menu-fade-in{0%{opacity:0}to{opacity:1}}@keyframes penaura-profile-menu-fade-out{0%{opacity:1}to{opacity:0}}.penaura-landing{--home-dock-rest-bottom:clamp(1.5rem, 6.8svh, 4.4rem);--home-dock-live-bottom:max(1.25rem, env(safe-area-inset-bottom));--whiteboard-camera-landing-y:0px;--whiteboard-camera-compose-y:-144px;background-position:0 0;background-size:48px 48px}.penaura-landing[data-whiteboard-camera=compose],.penaura-landing[data-whiteboard-camera=lesson]{background-position:0 var(--whiteboard-camera-compose-y);background-size:48px 48px}.penaura-landing[data-whiteboard-camera=compose][data-dock-phase=inputActive]{animation:.76s cubic-bezier(.22,.82,.25,1) both penaura-whiteboard-camera-focus}@keyframes penaura-whiteboard-camera-focus{0%{background-position:0 var(--whiteboard-camera-landing-y);background-size:48px 48px}24%{background-position:0 -8px;background-size:44px 44px}72%{background-position:0 -168px;background-size:44px 44px}88%{background-position:0 -132px;background-size:47px 47px}to{background-position:0 var(--whiteboard-camera-compose-y);background-size:48px 48px}}.penaura-hero__copy,.penaura-demo-surface{clip-path:inset(0);transform-origin:50% 48%;will-change:clip-path, opacity, transform;transition:clip-path .52s cubic-bezier(.4,0,.2,1),opacity .42s,filter .52s,transform .56s cubic-bezier(.22,.82,.25,1);transform:translate(0,0)scale(1)}.penaura-hero__copy{clip-path:inset(0 -12vw 0 -4vw)}.penaura-demo-surface{height:100%}.penaura-landing[data-dock-phase=inputActive] .penaura-hero__copy,.penaura-landing[data-dock-phase=inputActive] .penaura-demo-surface,.penaura-landing[data-dock-phase=submitting] .penaura-hero__copy,.penaura-landing[data-dock-phase=submitting] .penaura-demo-surface,.penaura-landing[data-dock-phase=submitted] .penaura-hero__copy,.penaura-landing[data-dock-phase=submitted] .penaura-demo-surface,.penaura-landing[data-dock-phase=error] .penaura-hero__copy,.penaura-landing[data-dock-phase=error] .penaura-demo-surface{clip-path:inset(100% 0 0);opacity:0;filter:blur(1px);pointer-events:none;transform:translateY(-20vh)scale(1)}.penaura-landing[data-whiteboard-camera=compose][data-dock-phase=inputActive] .penaura-hero__copy,.penaura-landing[data-whiteboard-camera=compose][data-dock-phase=inputActive] .penaura-demo-surface{animation:.76s cubic-bezier(.22,.82,.25,1) both penaura-whiteboard-content-focus}@keyframes penaura-whiteboard-content-focus{0%{clip-path:inset(0 -12vw 0 -4vw);opacity:1;filter:blur();transform:translate(0,0)scale(1)}24%{clip-path:inset(0 -12vw 0 -4vw);opacity:1;filter:blur();transform:translateY(-1vh)scale(.975)}72%{clip-path:inset(78% -12vw 0 -4vw);opacity:.18;filter:blur(1px);transform:translateY(-24vh)scale(.975)}88%{clip-path:inset(100% -12vw 0 -4vw);opacity:0;transform:translateY(-18vh)scale(.992)}to{clip-path:inset(100% -12vw 0 -4vw);opacity:0;filter:blur(1px);transform:translateY(-20vh)scale(1)}}.penaura-hero__board .caption-bar,.penaura-live-lesson .lesson-board-shell .caption-bar{z-index:45;top:auto;right:auto;bottom:calc(var(--home-dock-rest-bottom) + 5rem);-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background:#0a0c0ec2;border:0;border-radius:.55rem;place-items:center;width:min(760px,100% - 2rem);height:auto;min-height:72px;margin:0;padding:.55rem 1rem;animation:none;display:grid;position:absolute;left:50%;overflow:visible;transform:translate(-50%);box-shadow:0 5px 16px #0a0c0e24}.penaura-landing--live .penaura-hero__board .caption-bar,.penaura-landing[data-dock-phase=submitting] .penaura-live-lesson .caption-bar,.penaura-landing[data-dock-phase=submitted] .penaura-live-lesson .caption-bar{bottom:calc(var(--home-dock-live-bottom) + 9rem)}.penaura-hero__board .caption-bar__text,.penaura-live-lesson .lesson-board-shell .caption-bar__text{color:#fff;min-height:0;font-family:var(--penaura-ui);text-align:center;text-shadow:0 1px 2px #00000073;margin:0;padding:0;font-size:clamp(1rem,1.16vw,1.12rem);font-weight:650;line-height:1.42}@media (max-width:900px){.penaura-landing{--home-dock-rest-bottom:max(.75rem, env(safe-area-inset-bottom))}.penaura-hero__board .caption-bar,.penaura-live-lesson .lesson-board-shell .caption-bar{bottom:calc(var(--home-dock-rest-bottom) + 5rem);width:min(760px,100% - 1rem);min-height:64px}.penaura-landing--live .penaura-hero__board .caption-bar,.penaura-landing[data-dock-phase=submitting] .penaura-live-lesson .caption-bar,.penaura-landing[data-dock-phase=submitted] .penaura-live-lesson .caption-bar{bottom:calc(var(--home-dock-live-bottom) + 8.5rem)}}@media (prefers-reduced-motion:reduce){.penaura-landing,.penaura-hero__copy,.penaura-demo-surface{transition-duration:1ms;animation-duration:1ms!important}.penaura-landing[data-dock-phase=submitting] .penaura-hero__board .prompt-dock-wrap--centered,.penaura-landing--live[data-dock-phase=submitting] .penaura-hero__board .prompt-dock-wrap--centered{animation:none}}.penaura-sidebar{z-index:35;pointer-events:auto;-webkit-user-select:none;user-select:none;-webkit-backdrop-filter:blur(16px);border-right:1px solid var(--penaura-line,#d7e6ec);box-sizing:border-box;background:#fffffffa;flex-direction:column;height:100dvh;transition:width .22s cubic-bezier(.16,1,.3,1),box-shadow .22s 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#1d72b833}.penaura-sidebar-item__content{flex-direction:column;flex:1;gap:2px;min-width:0;display:flex}.penaura-sidebar-item__prompt{color:var(--penaura-ink,#17223b);-webkit-line-clamp:2;text-overflow:ellipsis;word-break:break-word;-webkit-box-orient:vertical;font-size:13px;font-weight:500;line-height:1.35;display:-webkit-box;overflow:hidden}.penaura-sidebar-item--current .penaura-sidebar-item__prompt{color:var(--penaura-blue,#1d72b8);font-weight:600}.penaura-sidebar-item__status{color:var(--penaura-ink-muted,#536471);font-size:11px}.penaura-sidebar-item--current .penaura-sidebar-item__status{color:var(--penaura-blue,#1d72b8);font-weight:500}.penaura-sidebar__footer{border-top:1px solid 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0;border:0;border-radius:9px;justify-content:center;align-items:center;width:44px;height:44px;min-height:44px;margin:0 auto;padding:0;transition:background-color .15s;display:flex}.penaura-sidebar__profile-btn--expanded{justify-content:flex-start;gap:10px;width:100%;min-height:48px;margin:0;padding:0 8px}.penaura-sidebar__profile-btn:hover{background:var(--penaura-blue-soft,#eaf3fa)}.penaura-sidebar__profile-avatar-wrap{background:var(--penaura-blue-soft,#eaf3fa);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;display:flex;overflow:hidden}.penaura-sidebar__profile-initials{color:var(--penaura-blue,#1d72b8);font-size:12px;font-weight:700}.penaura-sidebar__profile-meta{text-align:left;flex-direction:column;flex:1;align-items:flex-start;min-width:0;display:flex}.penaura-sidebar__profile-name{color:var(--penaura-ink,#17223b);white-space:nowrap;text-overflow:ellipsis;max-width:140px;font-size:13px;font-weight:600;overflow:hidden}.penaura-sidebar__profile-xp{color:var(--penaura-ink-muted,#536471);font-size:11px}.penaura-sidebar__profile-chevron{width:14px;height:14px;color:var(--penaura-ink-muted,#536471);flex-shrink:0}.penaura-pricing-close{border:1px solid var(--penaura-line,#d7e6ec);width:44px;height:44px;color:var(--penaura-ink,#17223b);-webkit-backdrop-filter:blur(12px);z-index:50;background:#fffffff0;border-radius:9px;justify-content:center;align-items:center;text-decoration:none;transition:background-color .15s,color .15s,transform .15s;display:flex;position:fixed;top:18px;right:24px;box-shadow:0 2px 10px #17223b0f}.penaura-pricing-close:hover{background:var(--penaura-blue-soft,#eaf3fa);color:var(--penaura-blue,#1d72b8);transform:translateY(-1px)}.penaura-pricing-close__icon{width:18px;height:18px}.penaura-sidebar-mobile-trigger{z-index:30;display:none;position:fixed;top:12px;left:12px}.penaura-sidebar-mobile-btn{-webkit-backdrop-filter:blur(12px);border:1px solid var(--penaura-line,#d7e6ec);min-height:38px;color:var(--penaura-ink,#17223b);cursor:pointer;touch-action:manipulation;background:#fffffff5;border-radius:20px;align-items:center;gap:6px;padding:8px 12px;font-size:12px;font-weight:600;display:inline-flex;box-shadow:0 2px 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0;border:0;border-radius:6px;place-items:center;padding:.2rem;display:grid}.penaura-elastic-slider__icon-btn:disabled{opacity:.35;cursor:default}.penaura-clearing-front-wrapper.is-clearing,.penaura-demo-surface--leaving,.penaura-landing[data-dock-phase=submitting] .penaura-hero__copy,.penaura-landing[data-dock-phase=submitting] .penaura-demo-surface{animation:.58s cubic-bezier(.4,0,.2,1) both penaura-clearing-front-sweep}@keyframes penaura-clearing-front-sweep{0%{opacity:1;filter:blur()}40%{opacity:.6;filter:blur(1px)}to{opacity:0;filter:blur(3px);pointer-events:none}}@keyframes penaura-fade-in{0%{opacity:0}to{opacity:1}}@media (prefers-reduced-motion:reduce){.penaura-specular-btn,.penaura-specular-btn__shine,.penaura-specular-btn__border{transition:none;transform:none!important}.penaura-profile-card{transition:none!important;transform:none!important}.penaura-profile-card__progress-bar{transition:none!important}.penaura-line-lesson-item{transition:none!important;transform:none!important}.penaura-elastic-slider__thumb,.penaura-elastic-slider__fill{transition:none!important}.penaura-clearing-front-wrapper.is-clearing,.penaura-landing[data-dock-phase=submitting] .penaura-hero__copy,.penaura-landing[data-dock-phase=submitting] .penaura-demo-surface{animation:.18s both penaura-reduced-fade!important}@keyframes penaura-reduced-fade{0%{opacity:1}to{opacity:0;pointer-events:none}}}