@font-face{font-family:Bricolage Grotesque;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/bricolage-grotesque-vietnamese-600-normal-Ipewt4hn.woff2)format("woff2"),url(/assets/bricolage-grotesque-vietnamese-600-normal-BppAn7jL.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/bricolage-grotesque-latin-ext-600-normal-CN5JKkBm.woff2)format("woff2"),url(/assets/bricolage-grotesque-latin-ext-600-normal-DF26P3Q7.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/bricolage-grotesque-latin-600-normal-nxTgbNFE.woff2)format("woff2"),url(/assets/bricolage-grotesque-latin-600-normal-Bw0J83-2.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/bricolage-grotesque-vietnamese-700-normal-BLYPkJbo.woff2)format("woff2"),url(/assets/bricolage-grotesque-vietnamese-700-normal-CHrFuVHU.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/bricolage-grotesque-latin-ext-700-normal-fBkt-7fi.woff2)format("woff2"),url(/assets/bricolage-grotesque-latin-ext-700-normal-BXpPFNFj.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/bricolage-grotesque-latin-700-normal-gtcctNPv.woff2)format("woff2"),url(/assets/bricolage-grotesque-latin-700-normal-DvJDmrLu.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/bricolage-grotesque-vietnamese-800-normal-RJtJa6zl.woff2)format("woff2"),url(/assets/bricolage-grotesque-vietnamese-800-normal-DJ4hCX8l.woff)format("woff");unicode-range:U+102-103,U+110-111,U+128-129,U+168-169,U+1A0-1A1,U+1AF-1B0,U+300-301,U+303-304,U+308-309,U+323,U+329,U+1EA0-1EF9,U+20AB}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/bricolage-grotesque-latin-ext-800-normal-BimIDUhy.woff2)format("woff2"),url(/assets/bricolage-grotesque-latin-ext-800-normal-CkoBqIJM.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Bricolage Grotesque;font-style:normal;font-display:swap;font-weight:800;src:url(/assets/bricolage-grotesque-latin-800-normal-J50vIsBe.woff2)format("woff2"),url(/assets/bricolage-grotesque-latin-800-normal-Br4b-5gk.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Figtree;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/figtree-latin-ext-400-normal-CXAzuTZb.woff2)format("woff2"),url(/assets/figtree-latin-ext-400-normal-Gbh-3PTk.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Figtree;font-style:normal;font-display:swap;font-weight:400;src:url(/assets/figtree-latin-400-normal-g7Dtegnw.woff2)format("woff2"),url(/assets/figtree-latin-400-normal-BD4aNku5.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Figtree;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/figtree-latin-ext-500-normal-Du0rIuHj.woff2)format("woff2"),url(/assets/figtree-latin-ext-500-normal-BOEJvrb_.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Figtree;font-style:normal;font-display:swap;font-weight:500;src:url(/assets/figtree-latin-500-normal-BWnGEVsr.woff2)format("woff2"),url(/assets/figtree-latin-500-normal-B_yy1phn.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Figtree;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/figtree-latin-ext-600-normal-DJlfifZj.woff2)format("woff2"),url(/assets/figtree-latin-ext-600-normal-CQqsimlV.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Figtree;font-style:normal;font-display:swap;font-weight:600;src:url(/assets/figtree-latin-600-normal-Cv_xCTDl.woff2)format("woff2"),url(/assets/figtree-latin-600-normal-BM_oTo4n.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}@font-face{font-family:Figtree;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/figtree-latin-ext-700-normal-CS4sQkGV.woff2)format("woff2"),url(/assets/figtree-latin-ext-700-normal-BoDi4KL2.woff)format("woff");unicode-range:U+100-2BA,U+2BD-2C5,U+2C7-2CC,U+2CE-2D7,U+2DD-2FF,U+304,U+308,U+329,U+1D00-1DBF,U+1E00-1E9F,U+1EF2-1EFF,U+2020,U+20A0-20AB,U+20AD-20C0,U+2113,U+2C60-2C7F,U+A720-A7FF}@font-face{font-family:Figtree;font-style:normal;font-display:swap;font-weight:700;src:url(/assets/figtree-latin-700-normal-th6qEP7c.woff2)format("woff2"),url(/assets/figtree-latin-700-normal-BCCt2T1q.woff)format("woff");unicode-range:U+??,U+131,U+152-153,U+2BB-2BC,U+2C6,U+2DA,U+2DC,U+304,U+308,U+329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--paper:#f5ddcb;--paper-deep:#f7eadf;--card:#fffaf5;--card-raised:#fff;--ink:#3a2d21;--ink-soft:#6c5c4b;--line:#3a2d212e;--cloth:#a04617;--cloth-deep:#823811;--cloth-tint:#fbe8da;--cloth-plate:#b5501a;--tomato:var(--cloth-plate);--mustard:#e3a92f;--mustard-soft:#f7e3b2;--ring:var(--tomato);--shadow-soft:0 1px 2px #3a2d2114, 0 12px 28px #3a2d2124;--shadow-lift:0 2px 4px #3a2d211a, 0 18px 40px #3a2d212e;--wobble:255px 15px 225px 15px / 15px 225px 15px 255px;--wobble-sm:12px 4px 14px 5px / 5px 13px 4px 12px;--wobble-lg:18px 7px 20px 8px / 8px 19px 7px 18px;--s-1:4px;--s-2:8px;--s-3:12px;--s-4:16px;--s-5:20px;--s-6:24px;--s-7:32px;--s-8:40px;--flow:clamp(18px, 2.6vh, 26px);--btn-h:48px;--ease-out:cubic-bezier(.16, 1, .3, 1);--ease-in:cubic-bezier(.55, 0, 1, .45);--dur-press:.11s;--dur-state:.26s;--t-xs:.82rem;--t-sm:.9rem;--t-base:1rem;--t-md:1.1875rem;--t-lg:clamp(1.25rem, 1rem + 1.4vw, 1.6rem);--t-xl:clamp(1.6rem, 1.1rem + 2.4vw, 2.25rem);--t-2xl:clamp(2rem, 9cqi, 3.5rem);--t-cover:clamp(1.35rem, 6.6cqi, 2.25rem);--font-display:"Bricolage Grotesque", "Figtree", system-ui, sans-serif;--font-body:"Figtree", system-ui, sans-serif;--font-ui:"Figtree", system-ui, sans-serif}html[data-theme=dark]{--paper:#2d3139;--paper-deep:#efebe4;--card:#fbf9f5}@media (prefers-color-scheme:dark){html:not([data-theme=light]){--paper:#2d3139;--paper-deep:#efebe4;--card:#fbf9f5}}*{box-sizing:border-box}p,li,h1,h2,h3{overflow-wrap:break-word;text-wrap:pretty}html,body{height:100%}body{overscroll-behavior:none;font-family:var(--font-body);font-size:var(--t-base);color:var(--ink);background-color:var(--paper);transition:background-color .45s var(--ease-out);-webkit-font-smoothing:antialiased;background-image:url(/grain.svg);margin:0;line-height:1.6;overflow:hidden}::selection{background:var(--mustard-soft);color:var(--ink)}:focus-visible{outline:3px solid var(--ring);outline-offset:2px}.book{place-items:center;height:100dvh;padding:clamp(12px,3vh,32px) clamp(34px,6vw,80px);display:grid;position:relative;overflow:hidden}.stage{perspective:1600px;width:min(680px,100%);height:min(820px,100%);position:relative}.leaf{background:var(--card);border-radius:var(--wobble);box-shadow:var(--shadow-soft);transform-origin:0;backface-visibility:hidden;touch-action:pan-y;position:absolute;inset:0}.leaf--idle{animation:none}.leaf--out-next{animation:leaf-out-next calc(var(--flip-ms,.34s) * .8) var(--ease-in) both;z-index:3}.leaf--in-next{animation:leaf-in-next var(--flip-ms,.34s) var(--ease-out) both}.leaf--out-prev{animation:leaf-out-prev calc(var(--flip-ms,.34s) * .8) var(--ease-in) both;z-index:3}.leaf--in-prev{animation:leaf-in-prev var(--flip-ms,.34s) var(--ease-out) both}@keyframes leaf-out-next{0%{opacity:1;transform:rotateY(0)}to{opacity:0;transform:rotateY(-100deg)}}@keyframes leaf-in-next{0%{opacity:0;transform:rotateY(-14deg)translate(24px)scale(.96)}to{opacity:1;transform:rotateY(0)translate(0)scale(1)}}@keyframes leaf-out-prev{0%{opacity:1;transform:rotateY(0)}to{opacity:0;transform:rotateY(100deg)}}@keyframes leaf-in-prev{0%{opacity:0;transform:rotateY(14deg)translate(-24px)scale(.96)}to{opacity:1;transform:rotateY(0)translate(0)scale(1)}}.leaf-cover{border-radius:inherit;pointer-events:none;background:linear-gradient(90deg,#3a2d211a,#3a2d2105);position:absolute;inset:0}.sr-only{clip:rect(0 0 0 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.nav-btn{z-index:6;width:52px;height:52px;font-family:var(--font-ui);font-weight:700;font-size:var(--t-base);color:var(--card);background:var(--cloth-plate);border:3px solid var(--card);box-shadow:var(--shadow-soft);cursor:pointer;border-radius:50%;justify-content:center;align-items:center;gap:6px;padding:0;transition:background .16s,transform .16s;display:inline-flex;position:absolute;top:50%}.nav-btn--prev{left:0;transform:translate(-50%,-50%)}.nav-btn--next{right:0;transform:translate(50%,-50%)}.nav-btn svg{fill:none;stroke:currentColor;stroke-width:2.5px;width:24px;height:24px}.nav-label{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}.nav-btn--prev:hover{background:var(--cloth-deep);transform:translate(-50%,-50%)scale(1.08)}.nav-btn--next:hover{background:var(--cloth-deep);transform:translate(50%,-50%)scale(1.08)}.nav-btn--prev:active{transition-duration:var(--dur-press);transform:translate(-50%,-50%)scale(.94)}.nav-btn--next:active{transition-duration:var(--dur-press);transform:translate(50%,-50%)scale(.94)}.nav-btn:disabled{visibility:hidden}.theme-toggle{top:max(10px, env(safe-area-inset-top));right:max(10px, env(safe-area-inset-right));z-index:7;width:44px;height:44px;color:var(--cloth);background:var(--card-raised);box-shadow:var(--shadow-soft);cursor:pointer;border:0;border-radius:50%;place-items:center;padding:0;transition:transform .16s,background .16s;display:grid;position:fixed}.theme-toggle:hover{background:var(--cloth-tint)}.theme-toggle:active{transition-duration:var(--dur-press);transform:scale(.94)}.theme-toggle .icon{width:22px;height:22px;animation:theme-icon-in var(--dur-state) var(--ease-out)}@keyframes theme-icon-in{0%{opacity:0;transform:rotate(-60deg)scale(.6)}}.page-scroll{flex-direction:column;height:100%;padding:clamp(28px,5vh,48px) clamp(32px,6vw,60px) clamp(22px,3.5vh,36px);display:flex}.page-inner{flex-direction:column;flex:1;justify-content:center;min-height:0;margin:-5px;padding:5px;display:flex;overflow:hidden;container:page/inline-size}.page-fit{zoom:var(--fit,1);flex-direction:column;flex:none;display:flex}.page-fit>*+*{margin-top:var(--flow)}.page-fit.is-compact .fit-optional{display:none}.page-inner.is-overflowing{justify-content:flex-start;overflow-y:auto}.page-fit>.title-row+*{margin-top:calc(var(--flow) + 4px)}.display{font-family:var(--font-display);letter-spacing:-.015em;font-weight:800;font-size:var(--t-xl);color:var(--ink);margin:0;line-height:1.15}.display-sm{font-family:var(--font-display);font-weight:700;font-size:var(--t-base);color:var(--cloth);margin:0}p{margin:0}a{color:var(--cloth)}.cover{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:clamp(14px,2.6vh,22px);height:100%;display:flex;container-type:inline-size}.cover-plate{z-index:1;background:var(--cloth-plate);color:var(--card);border-radius:var(--wobble);box-shadow:var(--shadow-soft);max-width:100%;padding:clamp(14px,3cqi,24px) clamp(18px,4.4cqi,34px);position:relative}.cover-plate .display{color:var(--card);font-size:var(--t-cover);text-align:left;text-wrap:balance;line-height:1.12}.otter{flex:none;width:64px;height:auto}.otter-eyes{transform-origin:70px 52px;animation:4.6s infinite otter-blink}@keyframes otter-float{0%,to{transform:translateY(0)}50%{transform:translateY(-5px)}}@keyframes otter-blink{0%,93%,to{transform:scaleY(1)}96%,97%{transform:scaleY(.08)}}.stack-list{font-family:var(--font-ui);font-size:var(--t-md);color:var(--ink);text-wrap:pretty;margin:0;padding:0;font-weight:600;line-height:1.55;list-style:none}@container page (width<=420px){.stack-list{font-size:var(--t-base)}}.stack-list li{white-space:nowrap;display:inline-block}.stack-list li+li:before{content:"–";content:"–" / "";color:var(--cloth);margin:0 .45em;font-weight:400}.hand-list{margin:0;padding:0;list-style:none}.hand-list li{padding-left:26px;position:relative}.hand-list li+li{margin-top:var(--s-3)}.hand-list li:before{content:"";background:var(--tomato);width:14px;height:14px;position:absolute;top:.3em;left:0;-webkit-mask:url(/check.svg) 50%/contain no-repeat;mask:url(/check.svg) 50%/contain no-repeat}.sticker-top{flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:6px 10px;display:flex}.sticker h3{font-family:var(--font-display);font-weight:700;font-size:var(--t-base);color:var(--ink);margin:0}.card-link{min-height:44px;margin-top:var(--s-2);font-family:var(--font-ui);font-weight:700;font-size:var(--t-base);color:var(--cloth);align-items:center;gap:6px;text-decoration:none;display:inline-flex}.card-link .icon{width:18px;height:18px}.card-link:hover,.text-link:hover{text-underline-offset:4px;text-decoration:underline}.hand-tag{font-family:var(--font-ui);font-weight:700;font-size:var(--t-xs);letter-spacing:.09em;text-transform:uppercase;color:var(--tomato);align-self:flex-start}.next-hint{font-family:var(--font-ui);color:var(--cloth);font-weight:700;font-size:var(--t-base)}.small-note{color:var(--ink-soft);font-size:var(--t-sm)}.twist{text-align:center;flex-direction:column;justify-content:center;align-items:center;gap:clamp(18px,4vh,30px);height:100%;display:flex}.twist-text{font-size:var(--t-lg);max-width:34ch;font-weight:600;line-height:1.75}.twist-after{color:var(--ink-soft);font-style:italic}.link-group{gap:var(--s-3);flex-direction:column;display:flex}.group-label{font-family:var(--font-ui);font-weight:700;font-size:var(--t-base);color:var(--cloth);margin:0}.btn-grid{justify-content:center;gap:var(--s-3);flex-wrap:wrap;display:flex}.btn-grid>.btn{flex:0 0 calc((100% - 2 * var(--s-3)) / 3)}.btn .icon{flex:none;width:20px;height:20px}.warum{flex-direction:column;flex:1;justify-content:center;gap:clamp(16px,3.4vh,30px);display:flex;container-type:inline-size}.warum-lead{max-width:22ch;font-family:var(--font-display);font-weight:700;font-size:var(--t-lg);color:var(--ink);line-height:1.22}.warum-body{max-width:44ch;font-size:var(--t-md);color:var(--ink)}.warum-punch{font-family:var(--font-display);letter-spacing:-.02em;font-weight:800;font-size:var(--t-2xl);color:var(--cloth);text-wrap:balance;line-height:1.12}.emph{white-space:nowrap;color:var(--ink);display:inline-block;position:relative}.emph-text{z-index:1;background:linear-gradient(transparent 58%, var(--mustard-soft) 58%, var(--mustard-soft) 90%, transparent 90%);padding:0 .08em;position:relative}.emph-thread{pointer-events:none;width:106%;height:.42em;position:absolute;bottom:-.3em;left:-3%;overflow:visible}.emph-thread path{fill:none;stroke:var(--tomato);stroke-width:3.5px;stroke-linecap:round;stroke-dasharray:1;stroke-dashoffset:0;animation:.9s cubic-bezier(.22,1,.36,1) .35s both thread-draw}.contact-plate{align-items:flex-start;gap:var(--s-3);color:var(--card);background:var(--cloth-plate);border-radius:var(--wobble);box-shadow:var(--shadow-soft);flex-direction:column;padding:clamp(24px,4vh,34px) clamp(22px,5cqi,34px);display:flex;position:relative}.contact-greeting{max-width:14ch;font-family:var(--font-display);font-weight:800;font-size:var(--t-xl);text-wrap:balance;line-height:1.12}.contact-mail{max-width:100%;min-height:44px;font-family:var(--font-ui);font-weight:700;font-size:var(--t-md);color:var(--card);overflow-wrap:anywhere;align-items:center;gap:8px;text-decoration:none;display:inline-flex}.contact-mail:hover{text-underline-offset:5px;text-decoration:underline}.contact-mail .icon{flex:none;width:22px;height:22px}.contact-bow{pointer-events:none;width:78px;height:auto;position:absolute;top:-30px;right:clamp(8px,3vw,22px);transform:rotate(9deg)}.bow-halo{fill:var(--card);stroke:var(--card);stroke-width:8px;stroke-linecap:round;stroke-linejoin:round}.contact-bow .bow-loop,.contact-bow .bow-tail{stroke-dasharray:1}.contact-bow .bow-loop{animation:thread-draw .7s var(--ease-out) .4s both}.contact-bow .bow-tail{animation:thread-draw .45s var(--ease-out) .85s both}.contact-bow .bow-knot{transform-box:fill-box;transform-origin:50%;animation:knot-pull .32s var(--ease-out) 1.18s both}@keyframes knot-pull{0%{transform:scale(0)}60%{transform:scale(1.25)}to{transform:scale(1)}}.bow-thread{fill:none;stroke:var(--tomato);stroke-width:3.5px;stroke-linecap:round;stroke-linejoin:round}.bow-thread circle{fill:var(--tomato)}.bow-halo path{fill:none}.end-legal{padding-top:var(--s-4);border-top:1px dashed var(--line);flex-direction:column;align-items:flex-start;gap:0;display:flex}.end-privacy{color:var(--ink-soft);font-size:var(--t-xs)}.text-link:hover{text-underline-offset:4px;text-decoration:underline}.text-link{min-height:44px;font:inherit;font-family:var(--font-ui);font-weight:700;font-size:var(--t-sm);color:var(--cloth);cursor:pointer;background:0 0;border:0;align-items:center;padding:0;text-decoration:none;display:inline-flex}.letter-overlay{z-index:50;background:#261d158c;place-items:center;padding:16px;animation:.2s ease-out overlay-in;display:grid;position:fixed;inset:0}.letter-page{animation:sheet-in .34s var(--ease-out);background:var(--card);scrollbar-width:thin;scrollbar-color:#3a2d214d transparent;border-radius:var(--wobble-lg);width:min(720px,100%);max-height:calc(100dvh - 32px);box-shadow:var(--shadow-lift);padding:clamp(24px,6vw,56px);overflow-y:auto}.letter-page h3{font-family:var(--font-display);color:var(--cloth);margin:28px 0 0;font-weight:700}.letter-page p{white-space:pre-line;margin:10px 0 0;line-height:1.7}.letter-page .letter-note{margin:var(--s-6) 0 var(--s-7);padding:var(--s-6) var(--s-6) var(--s-5);white-space:normal;font-weight:600}.letter-note a{text-underline-offset:3px;font-weight:700;text-decoration:underline}.letter-sig{font-family:var(--font-display);font-weight:600;margin-top:26px!important}.letter-actions .btn{white-space:nowrap}.letter-actions{justify-content:space-between;gap:var(--s-3);margin-bottom:var(--s-6);display:flex}.btn{justify-content:center;align-items:center;gap:var(--s-2);min-height:var(--btn-h);font-family:var(--font-ui);font-weight:700;font-size:var(--t-base);text-align:center;border-radius:var(--wobble-sm);cursor:pointer;border:2px solid #0000;padding:10px 22px;line-height:1.2;text-decoration:none;transition:background .16s,border-color .16s,color .16s,transform .16s;display:inline-flex}.btn:hover{transform:translateY(-1px)}.btn-primary{background:var(--cloth);color:var(--card)}.btn-primary:hover{background:var(--cloth-deep)}.btn:active{transition-duration:var(--dur-press);transform:translateY(0)scale(.97)}.btn-outline{background:var(--card-raised);border-color:var(--cloth);color:var(--cloth)}.btn-outline:hover{background:var(--cloth);color:var(--card)}.btn-ghost{border-color:var(--line);color:var(--ink);background:0 0}.btn-ghost:hover{border-color:var(--ink-soft)}.print-only{display:none}@media print{*{box-shadow:none!important}body{background:0 0;overflow:visible}body.letter-open .book,.nav-btn,.theme-toggle,.no-print{display:none!important}.letter-overlay{background:0 0;padding:0;display:block;position:static}.print-only{display:block}.letter-note,.letter-note:before{-webkit-print-color-adjust:exact;print-color-adjust:exact}.letter-page .letter-note{margin-top:var(--s-4)}.letter-page{width:100%;max-height:none;box-shadow:none;border-radius:0;padding:0;overflow:visible}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-property:color,background-color,border-color,opacity!important;animation-duration:.01ms!important;animation-iteration-count:1!important;animation-delay:0s!important}.btn:hover,.btn:active,.tab:hover,.tab:active,.picker-btn:hover,.picker-btn:active{transform:none}}@media (width<=560px){.book{padding:max(10px, env(safe-area-inset-top)) 10px calc(max(10px, env(safe-area-inset-bottom)) + 64px)}.stage{width:100%;height:100%}.page-scroll{padding:24px 20px 18px}.leaf{border-radius:var(--wobble-lg)}body{line-height:1.55}.nav-btn{width:auto;height:var(--btn-h);border:0;border-radius:999px;padding:0 18px;top:calc(100% + 10px)}.nav-btn--prev{color:var(--cloth);background:var(--card-raised);box-shadow:inset 0 0 0 2px var(--cloth);padding-left:12px;left:0;transform:none}.nav-btn--next{background:var(--cloth);padding-right:12px;right:0;transform:none}.nav-btn--prev:hover{background:var(--cloth-tint);transform:none}.nav-btn--next:hover{transform:none}.nav-btn--prev:active,.nav-btn--next:active{transform:scale(.96)}.theme-toggle{top:auto;left:50%;right:auto;bottom:calc(max(10px, env(safe-area-inset-bottom)) + 6px);width:var(--btn-h);height:var(--btn-h);translate:-50%}.nav-label{clip:auto;width:auto;height:auto;position:static;overflow:visible}.cover{gap:14px}.otter{width:54px}.title-otter{width:44px}.info-card{padding:16px}.picker-btn{gap:12px;padding:14px}.btn{padding:10px 16px}.btn-grid>.btn{flex-basis:calc((100% - var(--s-3)) / 2)}}.title-row{align-items:center;gap:12px;display:flex}.title-row--center{text-align:center;justify-content:center;gap:var(--s-2);flex-direction:column}.title-otter{flex:none;width:52px;height:auto}.title-otter--cover{width:clamp(38px,10cqi,66px);animation:4s ease-in-out infinite otter-float}.title-row--cover{gap:clamp(6px,2cqi,14px)}.cover-photo-wrap{margin:clamp(10px,2vh,18px) 0;position:relative}.thread-art{pointer-events:none;width:calc(100% + 140px);height:calc(100% + 60px);position:absolute;top:50%;left:50%;overflow:visible;transform:translate(-50%,-50%)}.thread-art-line{fill:none;stroke:var(--tomato);stroke-width:3.5px;stroke-linecap:round;stroke-linejoin:round;stroke-dasharray:1;stroke-dashoffset:0;animation:1.6s cubic-bezier(.22,1,.36,1) .3s both thread-draw}@keyframes overlay-in{0%{opacity:0}}@keyframes sheet-in{0%{opacity:0;transform:translateY(18px)scale(.98)}}@keyframes fade-in{0%{opacity:0}}@keyframes thread-draw{0%{stroke-dashoffset:1px}to{stroke-dashoffset:0}}.cover-photo{aspect-ratio:1;object-fit:cover;object-position:50% 30%;border:5px solid var(--card);border-radius:var(--wobble);width:clamp(110px,20vh,170px);height:auto;box-shadow:var(--shadow-soft);display:block;position:relative}.cover-intro{max-width:46ch;font-weight:600}.cover-outline{max-width:46ch}.cover-note{color:var(--ink-soft);font-size:var(--t-sm)}.tabs{grid-template-columns:repeat(var(--tab-cols,3), minmax(0, 1fr));gap:var(--s-2);display:grid}.tabs[data-count="2"]{--tab-cols:2}.tabs[data-count="4"]{--tab-cols:4}@container page (width<=420px){.tabs[data-count="4"]{--tab-cols:2}.tabs[data-count="3"] .tab{padding-inline:var(--s-1);font-size:var(--t-xs);gap:5px}.tabs[data-count="3"] .tab-icon{width:16px;height:16px}}.tab,.picker-btn{font-family:var(--font-ui);color:var(--ink);background:var(--paper-deep);border:2px solid var(--line);border-radius:var(--wobble-sm);cursor:pointer;font-weight:600;transition:background .16s,border-color .16s,transform .16s,color .16s}.tab{min-width:0;min-height:var(--btn-h);padding:var(--s-2) var(--s-2);font-size:var(--t-sm);text-align:center;white-space:nowrap;justify-content:center;align-items:center;gap:6px;font-weight:700;line-height:1.2;display:flex}.tab-icon{flex:none;width:18px;height:18px}.picker-icon{width:22px;height:22px;color:var(--cloth);flex:none}.tab:hover,.picker-btn:hover{border-color:var(--tomato);transform:translateY(-1px)}.tab:active,.picker-btn:active{transition-duration:var(--dur-press);transform:scale(.97)}.tab--active{background:var(--cloth);border-color:var(--cloth);color:var(--card)}.tab--active:hover{border-color:var(--cloth-deep)}.panel-stack{grid-template-columns:minmax(0,1fr);display:grid}.panel-stack>.info-card{grid-area:1/1;min-width:0}.panel-stack>.is-inactive{visibility:hidden}.panel-stack>.info-card:not(.is-inactive){animation:panel-in var(--dur-state) var(--ease-out)}@keyframes panel-in{0%{opacity:0;transform:translateY(6px)}}.learned-more{margin-top:var(--s-2)}.problem-picker{gap:var(--s-3);flex-direction:column;display:flex}.picker-btn{align-items:center;gap:var(--s-4);text-align:left;width:100%;font-size:var(--t-base);padding:var(--s-4) var(--s-5);background:var(--card-raised);display:flex}.picker-arrow{width:22px;height:22px;color:var(--cloth);flex:none;margin-left:auto;transition:transform .16s}.picker-btn:hover .picker-arrow{transform:translate(3px)}.picker-text{gap:var(--s-1);flex-direction:column;display:flex}.picker-text strong{font-weight:700;line-height:1.3}.picker-text span{font-family:var(--font-body);font-weight:500;font-size:var(--t-sm);color:var(--ink-soft);line-height:1.45}.info-cards{flex-direction:column;gap:10px;display:flex}.info-cards>*+*{margin-top:0}.info-card{background:var(--card-raised);border:1.5px solid var(--line);border-radius:var(--wobble-sm);padding:var(--s-5) var(--s-6);font-size:var(--t-base);box-shadow:0 2px 8px #3a2d2112}.info-label{margin:0 0 var(--s-2);font-family:var(--font-ui);font-weight:700;font-size:var(--t-base);color:var(--ink)}.info-card .hand-list,.info-card>p+p,.project-learned{margin-top:var(--s-3)}.info-card--project .sticker-top{margin-bottom:var(--s-3)}.info-card--project .sticker-top h2{font-family:var(--font-display);font-weight:700;font-size:var(--t-md);color:var(--ink);margin:0;line-height:1.3}.info-card--project .block{margin-top:var(--s-4);padding-top:var(--s-4);border-top:1px dashed var(--line)}.run-in{color:var(--ink);font-weight:700}.postit{background:var(--mustard-soft);border-radius:3px;position:relative;transform:rotate(-.6deg);box-shadow:0 1px 1px #3a2d210f,0 6px 14px -6px #3a2d2140}.postit:before{content:"";clip-path:polygon(0 4%,6% 0,94% 6%,100% 0,97% 25%,100% 50%,96% 75%,100% 100%,5% 96%,0 100%,3% 72%,0 48%,4% 24%);pointer-events:none;background:#cdc0ac80;width:72px;height:22px;position:absolute;top:-11px;left:50%;transform:translate(-50%)rotate(2deg);box-shadow:inset 0 0 0 1px #ffffff59,0 1px 2px #3a2d2124}.info-card--project .block--learned{padding:var(--s-5) var(--s-4) var(--s-4);border-top:0}.lead{font-family:var(--font-display);font-weight:700;font-size:var(--t-lg);color:var(--cloth);line-height:1.25}.pull-note{padding:var(--s-6) var(--s-6) var(--s-5);font-weight:600;transform:rotate(.6deg)}.info-card .video-frame,.info-card .video-placeholder{margin-top:var(--s-4);width:100%;margin-inline:auto}.video-frame{aspect-ratio:16/9;border-radius:var(--wobble-sm);box-shadow:var(--shadow-soft);background:var(--ink);animation:.3s ease-out fade-in;position:relative;overflow:hidden}.video-frame iframe{border:0;width:100%;height:100%;position:absolute;inset:0}.video-placeholder{align-items:center;gap:var(--s-2);padding:var(--s-5) var(--s-4);background:var(--paper-deep);border:1.5px dashed var(--line);border-radius:var(--wobble-sm);flex-direction:column;display:flex}.video-note{color:var(--ink-soft);font-size:var(--t-xs);text-align:center}
