.illustration[data-astro-cid-4ogqds6z]{width:100%;height:100%;color:var(--theme,var(--brand));display:block}.axis[data-astro-cid-4ogqds6z]{stroke:var(--ink-3);stroke-opacity:.35;stroke-width:1.5px}.curve[data-astro-cid-4ogqds6z]{fill:none;stroke:currentColor;stroke-width:2.75px;stroke-linecap:round}.area[data-astro-cid-4ogqds6z]{fill:currentColor;fill-opacity:.12}.contour[data-astro-cid-4ogqds6z]{fill:none;stroke:currentColor;stroke-opacity:.4;stroke-width:1.5px}.inner-contour[data-astro-cid-4ogqds6z]{fill:currentColor;fill-opacity:.12}.lattice[data-astro-cid-4ogqds6z] line[data-astro-cid-4ogqds6z]{stroke:currentColor;stroke-opacity:.22;stroke-width:1.25px}.unit-square[data-astro-cid-4ogqds6z]{fill:none;stroke:var(--ink-3);stroke-opacity:.6;stroke-width:1.5px;stroke-dasharray:3 5}.integrand[data-astro-cid-4ogqds6z]{fill:none;stroke:currentColor;stroke-opacity:.6;stroke-width:2.5px;stroke-linecap:round}.snowflake[data-astro-cid-4ogqds6z]{fill:none;stroke:currentColor;stroke-width:2.5px;stroke-linejoin:round}.snowflake-fill[data-astro-cid-4ogqds6z]{fill:currentColor;fill-opacity:.12}.koch-step[data-astro-cid-4ogqds6z]{fill:none;stroke:currentColor;stroke-opacity:.5;stroke-width:1.5px;stroke-linejoin:round;display:none}.ride-path[data-astro-cid-4ogqds6z]{fill:none;stroke:none}.strike[data-astro-cid-4ogqds6z]{stroke:var(--ink-3);stroke-opacity:.6;stroke-width:1.5px;stroke-dasharray:3 5}.plane[data-astro-cid-4ogqds6z]{fill:currentColor;fill-opacity:.1;stroke:currentColor;stroke-opacity:.45;stroke-width:1.5px;stroke-linejoin:round}.corner[data-astro-cid-4ogqds6z]{fill:none;stroke:var(--ink);stroke-opacity:.7;stroke-width:1.75px}.field[data-astro-cid-4ogqds6z] line[data-astro-cid-4ogqds6z]{stroke:currentColor;stroke-opacity:.55;stroke-width:2.5px;stroke-linecap:round}.field[data-astro-cid-4ogqds6z] circle[data-astro-cid-4ogqds6z]{fill:currentColor;fill-opacity:.7}.flow[data-astro-cid-4ogqds6z]{fill:currentColor;fill-opacity:.06;stroke:currentColor;stroke-width:2.75px}.riemann[data-astro-cid-4ogqds6z] rect[data-astro-cid-4ogqds6z]{fill:currentColor;fill-opacity:.14;stroke:currentColor;stroke-opacity:.45;stroke-width:1.25px}.tangent[data-astro-cid-4ogqds6z]{stroke:var(--ink);stroke-opacity:.75;stroke-width:2.5px;stroke-linecap:round;stroke-dasharray:2 7}.point[data-astro-cid-4ogqds6z]{fill:var(--surface);stroke:currentColor;stroke-width:2.5px}.point-halo[data-astro-cid-4ogqds6z]{fill:currentColor;fill-opacity:.18}.unit-circle[data-astro-cid-4ogqds6z]{fill:currentColor;fill-opacity:.06;stroke:currentColor;stroke-opacity:.55;stroke-width:2px}.sector[data-astro-cid-4ogqds6z]{fill:currentColor;fill-opacity:.16}.radius[data-astro-cid-4ogqds6z]{fill:none;stroke:currentColor;stroke-width:2.5px;stroke-linecap:round}.projection[data-astro-cid-4ogqds6z]{stroke:currentColor;stroke-opacity:.8;stroke-width:2px;stroke-dasharray:3 5}.ellipse[data-astro-cid-4ogqds6z]{fill:currentColor;stroke:currentColor;stroke-width:1.5px}.ellipse[data-astro-cid-4ogqds6z].outer{fill-opacity:.06;stroke-opacity:.35}.ellipse[data-astro-cid-4ogqds6z].inner{fill-opacity:.1;stroke-opacity:.55}.dot[data-astro-cid-4ogqds6z]{fill:currentColor;fill-opacity:.55}.pc[data-astro-cid-4ogqds6z]{stroke:var(--ink);stroke-opacity:.8;stroke-width:2.5px;stroke-linecap:round}.pc2[data-astro-cid-4ogqds6z]{stroke-dasharray:2 6}.bubble[data-astro-cid-4ogqds6z]{fill:currentColor;fill-opacity:.08;stroke:currentColor;stroke-width:2.5px;stroke-linejoin:round}.greeting[data-astro-cid-4ogqds6z]{fill:var(--ink);letter-spacing:.01em;font-size:52px;font-weight:500}.letter[data-astro-cid-4ogqds6z]{fill:currentColor;font-size:42px;font-weight:600}.writing[data-astro-cid-4ogqds6z]{stroke:var(--ink-3);stroke-opacity:.5;stroke-width:2px;stroke-linecap:round}@media (scripting:enabled) and (prefers-reduced-motion:no-preference){[data-astro-cid-4ogqds6z][data-reveal]{animation-duration:var(--t,.8s);animation-timing-function:var(--e,cubic-bezier(.33, 0, .2, 1));animation-fill-mode:both;animation-delay:calc(var(--d,0s) + 3s)}.is-armed[data-astro-cid-4ogqds6z] [data-astro-cid-4ogqds6z][data-reveal]{animation-play-state:paused}.is-playing[data-astro-cid-4ogqds6z] [data-astro-cid-4ogqds6z][data-reveal]{animation-play-state:running;animation-delay:var(--d,0s)}[data-astro-cid-4ogqds6z][data-reveal=rise],[data-astro-cid-4ogqds6z][data-reveal=grow],[data-astro-cid-4ogqds6z][data-reveal=pop]{transform-box:fill-box}[data-astro-cid-4ogqds6z][data-reveal=draw]{stroke-dasharray:1;animation-name:ill-draw}[data-astro-cid-4ogqds6z][data-reveal=fade]{animation-name:ill-fade}[data-astro-cid-4ogqds6z][data-reveal=blink]{animation-name:ill-blink}[data-astro-cid-4ogqds6z][data-reveal=rise]{transform-origin:50% 100%;animation-name:ill-rise}[data-astro-cid-4ogqds6z][data-reveal=grow]{transform-origin:0;animation-name:ill-grow}[data-astro-cid-4ogqds6z][data-reveal=pop]{transform-origin:50%;animation-name:ill-pop}.is-playing[data-astro-cid-4ogqds6z] [data-astro-cid-4ogqds6z][data-reveal=draw]{animation-name:ill-draw-play}.is-playing[data-astro-cid-4ogqds6z] [data-astro-cid-4ogqds6z][data-reveal=fade]{animation-name:ill-fade-play}.is-playing[data-astro-cid-4ogqds6z] [data-astro-cid-4ogqds6z][data-reveal=blink]{animation-name:ill-blink-play}.is-playing[data-astro-cid-4ogqds6z] [data-astro-cid-4ogqds6z][data-reveal=rise]{animation-name:ill-rise-play}.is-playing[data-astro-cid-4ogqds6z] [data-astro-cid-4ogqds6z][data-reveal=grow]{animation-name:ill-grow-play}.is-playing[data-astro-cid-4ogqds6z] [data-astro-cid-4ogqds6z][data-reveal=pop]{animation-name:ill-pop-play}.koch-step[data-astro-cid-4ogqds6z]{display:inline}}@keyframes ill-draw{0%{stroke-dashoffset:1px;fill-opacity:0}to{stroke-dashoffset:0}}@keyframes ill-draw-play{0%{stroke-dashoffset:1px;fill-opacity:0}to{stroke-dashoffset:0}}@keyframes ill-fade{0%{opacity:0}}@keyframes ill-fade-play{0%{opacity:0}}@keyframes ill-blink{0%,to{opacity:0}30%,70%{opacity:1}}@keyframes ill-blink-play{0%,to{opacity:0}30%,70%{opacity:1}}@keyframes ill-rise{0%{transform:scaleY(0)}}@keyframes ill-rise-play{0%{transform:scaleY(0)}}@keyframes ill-grow{0%{transform:scaleX(0)}}@keyframes ill-grow-play{0%{transform:scaleX(0)}}@keyframes ill-pop{0%{opacity:0;transform:scale(.2)}}@keyframes ill-pop-play{0%{opacity:0;transform:scale(.2)}}