.site-header{z-index:45;box-shadow:none;-webkit-backdrop-filter:none;backdrop-filter:none;background:0 0;border:0;position:fixed;inset-block-start:.7rem;inset-inline:0}.site-header:after{display:none}.nav-pill{-webkit-backdrop-filter:blur(18px)saturate(1.3);backdrop-filter:blur(18px)saturate(1.3);width:min(1080px,100% - 1.4rem);transition:width .45s var(--ease), padding .45s var(--ease), background .45s var(--ease);background:#fffcf6c7;border:1px solid #ffffff8c;border-radius:999px;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.8rem 1.2rem;margin-inline:auto;padding:.35rem .45rem .35rem .7rem;display:flex;box-shadow:inset 0 1px #ffffffb3,0 18px 50px #140a0638}html.is-scrolled .nav-pill{background:#fffcf6e6;width:min(860px,100% - 1.2rem);padding-block:.15rem}html.is-scrolled .brand-logo{height:3.15rem}.hero{color:#fbeac7;background:radial-gradient(900px 520px at 12% 18%,#ee5a008c,#0000 62%) 0 0/140% 140%,radial-gradient(760px 480px at 88% 8%,#d078026b,#0000 58%) 0 0/130% 130%,radial-gradient(680px 420px at 70% 80%,#c2400059,#0000 60%) 0 0/120% 120%,#140e0b;align-items:center;min-height:100svh;display:flex;position:relative;overflow:visible}.hero-aurora{z-index:0;pointer-events:none;transform:translate3d(calc(var(--mx,0) * 28px), calc(var(--my,0) * 18px + var(--sy,0) * -70px), 0);position:absolute;inset:0;overflow:hidden}.aurora{filter:blur(28px);opacity:.85;border-radius:999px;position:absolute}.aurora-1{background:#ee5a00;width:34rem;height:34rem;animation:18s ease-in-out infinite aurora-drift;inset-block-start:-6rem;inset-inline-start:-8rem}.aurora-2{background:#d07802;width:28rem;height:28rem;animation:22s ease-in-out infinite reverse aurora-drift;inset-block-start:10%;inset-inline-end:-6rem}.aurora-3{opacity:.7;background:#c24000;width:22rem;height:22rem;animation:16s ease-in-out infinite aurora-drift;inset-block-end:-4rem;inset-inline-start:30%}.aurora-4{opacity:.35;background:#f0b45a;width:16rem;height:16rem;animation:26s ease-in-out infinite reverse aurora-drift;inset-block-start:40%;inset-inline-start:42%}.hero-grid,.hero-copy{z-index:1;position:relative}.hero-grid{min-height:calc(100svh - 7rem);padding-block:6.5rem 4.5rem}.hero .eyebrow{color:#f0b45a}.hero .lede,.hero .social-quiet,.hero .social-quiet a,.hero .social-quiet a:visited{color:#f6e2c4}.hero .display{font-size:clamp(3.05rem,5.5vw,5.15rem);line-height:1.08}html[lang=fa] .hero .display{font-size:clamp(2.15rem,6vw,3.7rem);line-height:1.45}.hero .display-line{padding-block:.02em .08em}.hero .lede{margin-top:.65rem}.hero .accent-line .k-word{color:#f0b45a}@supports ((-webkit-background-clip:text) or (background-clip:text)){.hero .accent-line .k-word{color:#0000;background-image:linear-gradient(102deg,#fbeac7 0%,#f0b45a 42%,#ee5a00 100%);-webkit-background-clip:text;background-clip:text}}.k-word{white-space:nowrap;opacity:1;margin-inline-end:.28em;display:inline-block;transform:none}.display-line .k-word:last-child{margin-inline-end:0}@media (prefers-reduced-motion:no-preference){.k-word{animation:word-in .7s var(--ease) backwards}.hero{animation:18s ease-in-out infinite aurora-shift}}.fan-scene{perspective:1400px;perspective-origin:50% 42%;overflow:visible}.fan{perspective:none;height:32rem;transform:translate3d(calc(var(--mx,0) * 18px), calc(var(--my,0) * 12px + var(--sy,0) * 18px), 0);transform-style:flat;backface-visibility:visible;margin-top:.4rem;overflow:visible}.fan-card{transform-style:flat;backface-visibility:visible;top:2.6rem;overflow:visible;box-shadow:0 30px 60px #00000061,inset 0 2px #fff3}.fan-face{border-radius:inherit;backface-visibility:visible;width:100%;height:100%;overflow:hidden;transform:none}.fan-card .cover-plate{isolation:auto}.scroll-cue,.scroll-cue:visited{inset-block-end:1.2rem;z-index:2;color:#f6e2c4;letter-spacing:.18em;text-transform:uppercase;opacity:calc(1 - var(--sy,0) * 1.6);flex-direction:column;align-items:center;gap:.45rem;font-size:.75rem;font-weight:650;text-decoration:none;display:flex;position:absolute;left:50%;translate:-50%}html[lang=fa] .scroll-cue{letter-spacing:0;text-transform:none;font-size:.95rem}.scroll-cue-line{transform-origin:top;background:linear-gradient(#f0b45a,#0000);width:1px;height:2.8rem}.page-intro{padding-block-start:7.4rem}.page-intro-dark{color:#fbeac7;background:radial-gradient(520px 240px at 0 0,#ee5a0061,#0000 62%),radial-gradient(420px 220px at 100% 100%,#d0780247,#0000 60%),#1c120c;padding-block:8rem 3.2rem}.page-intro-dark .lede,.page-intro-dark .eyebrow{color:#f6e2c4}.page-intro-dark .eyebrow:before{background:linear-gradient(90deg,#f0b45a,#ee5a00)}.section-index{color:#c2400038;font-family:var(--font-playfair), Georgia, serif;pointer-events:none;margin:0;font-size:clamp(5rem,12vw,9rem);font-weight:700;line-height:.75}.asymmetric{align-items:end;min-height:4.5rem;position:relative}.asymmetric .section-index{z-index:0;position:absolute;inset-block-start:-1.6rem;inset-inline-start:-.4rem}.asymmetric .section-title,.shelf-section .bento-books,.shelf-section .sort-bar{z-index:1;position:relative}.how-layout{align-items:start;gap:.5rem 2rem;display:grid}.light-index{color:#f0b45a47}.sort-bar{flex-wrap:wrap;gap:.45rem;margin-block-end:1rem;display:flex}.sort-bar button{color:#2a1b12;min-height:2.4rem;font:inherit;cursor:pointer;background:#fffdf8b3;border:1px solid #2a1b1229;border-radius:999px;padding:.2rem .85rem;font-weight:600}.sort-bar button.is-active{color:#2a1b12;background:#f0b45a;border-color:#0000}.book-card{position:relative}.book-card[data-tilt]{transform:translate3d(0, var(--lift,0px), 0) rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transform-style:preserve-3d}.book-card[data-tilt]:after{content:"";z-index:3;border-radius:inherit;background:radial-gradient(340px circle at var(--px,50%) var(--py,28%), #ffffff47, transparent 46%);opacity:0;pointer-events:none;position:absolute;inset:0}.cover-spine,.cover-edge{z-index:2;pointer-events:none;position:absolute}.cover-spine{background:linear-gradient(90deg,#0c06038c,#ffffff38 55%,#0000);width:.85rem;inset-block:0;inset-inline-start:0}.cover-edge{opacity:.45;background:linear-gradient(#fffdf8,#ffffff0d);border-radius:999px;width:3px;inset-block:.55rem;inset-inline-end:.45rem}.cover-title{text-shadow:0 1px #ffecd259,0 12px 24px #0006}.book-stage{color:#fbeac7;background:#140e0b;padding-block:8rem 3.5rem;position:relative;overflow:clip}.book-stage.tone-gold{--glow:#d07802}.book-stage.tone-coral{--glow:#ee5a00}.book-stage.tone-ink{--glow:#c24000}.book-stage-glow{background:radial-gradient(circle at 30% 40%, var(--glow), transparent 68%);filter:blur(46px);opacity:.85;pointer-events:none;height:70%;position:absolute;inset:8% 12% auto}.book-stage-grid{z-index:1;align-items:center;gap:2rem;display:grid;position:relative}.book-hero-copy .book-kicker,.book-stage .display{color:#fffdf8}.book-float{transform:rotateX(var(--rx,0deg)) rotateY(var(--ry,0deg));transform-style:preserve-3d}.book-float .cover-plate{min-height:24rem;margin:0;box-shadow:0 40px 80px #0006}.book-columns{align-items:start;gap:2rem;padding-block:2.4rem 1rem;display:grid}.download-sticky .signup-split{grid-template-columns:1fr}.progress{inset-inline:0;z-index:60;pointer-events:none;height:3px;position:fixed;top:0}.progress-bar{transform-origin:0;background:linear-gradient(90deg,#c24000,#ee5a00,#f0b45a);width:100%;height:100%;transform:scaleX(0)}[dir=rtl] .progress-bar{transform-origin:100%}.gradient-frame{border-radius:1.7rem;padding:1.5px;position:relative;overflow:hidden}.gradient-frame:before{content:"";background:conic-gradient(#ee5a00,#fbeac7,#c24000,#d07802,#ee5a00);animation:8s linear infinite spin;position:absolute;inset:-70%}.gradient-frame>*{z-index:1;position:relative}.btn,.btn:visited,.btn:hover{isolation:isolate;transform:translate3d(var(--mag-x,0px), calc(var(--mag-y,0px) - var(--mag-hover,0px)), 0);background-image:none;position:relative;overflow:hidden}.btn:before{content:"";z-index:-2;background:conic-gradient(#fff6ea,#ee5a00,#f0b45a,#9a3200,#fff6ea);animation:5.5s linear infinite spin;position:absolute;inset:-40%}.btn:after{content:"";z-index:-1;border-radius:inherit;background:linear-gradient(#c44a08,#9a3200);position:absolute;inset:1.5px}.btn:hover{--mag-hover:2px;color:#fff}.lang-switch{transform:translate3d(var(--mag-x,0px), var(--mag-y,0px), 0)}.footer-wordmark{letter-spacing:-.045em;background-image:linear-gradient(100deg,#fffdf8 0%,#f0b45a 42%,#ee5a00 78%,#d07802 100%);margin:0 0 .4rem;padding-block:.04em .12em;font-size:clamp(4.2rem,16vw,11rem);font-weight:700;line-height:.86;overflow:visible}html[lang=en] .footer-wordmark{font-family:var(--font-playfair), Georgia, serif}html[lang=fa] .footer-wordmark{letter-spacing:0;font-size:clamp(3rem,13vw,7.5rem);line-height:1.25}@supports ((-webkit-background-clip:text) or (background-clip:text)){.footer-wordmark{color:#0000;-webkit-background-clip:text;background-clip:text}}.page-enter{animation-name:page-in-x}[dir=rtl] .page-enter{animation-name:page-in-rtl}.lesson-card:before{font-size:1.8rem;line-height:1}html[lang=en] .lesson-card:before{font-family:var(--font-playfair), Georgia, serif}@media (hover:hover) and (pointer:fine) and (prefers-reduced-motion:no-preference){.book-card[data-tilt]:hover{--lift:-10px;box-shadow:0 34px 70px #2a1b1233}.book-card[data-tilt]:hover:after{opacity:1}.fan-count-3:hover .fan-card:first-child,.fan-count-3.is-open .fan-card:first-child{transform:translate(-108%)translateY(36px)rotate(-16deg)}.fan-count-3:hover .fan-card:nth-child(2),.fan-count-3.is-open .fan-card:nth-child(2){transform:translate(-50%)translateY(-6px)rotate(0)scale(1.03)}.fan-count-3:hover .fan-card:nth-child(3),.fan-count-3.is-open .fan-card:nth-child(3){transform:translate(4%)translateY(32px)rotate(16deg)}[dir=rtl] .fan-count-3:hover .fan-card:first-child,[dir=rtl] .fan-count-3.is-open .fan-card:first-child{transform:translate(8%)translateY(36px)rotate(16deg)}[dir=rtl] .fan-count-3:hover .fan-card:nth-child(3),[dir=rtl] .fan-count-3.is-open .fan-card:nth-child(3){transform:translate(-108%)translateY(32px)rotate(-16deg)}}@media (min-width:900px){.how-layout{grid-template-columns:auto minmax(0,1fr)}.how-layout .section-index{margin-block-start:-.4rem}}@media (min-width:960px){.book-stage-grid{grid-template-columns:20rem minmax(0,1fr);gap:3rem}}@media (min-width:1080px){.book-columns{grid-template-columns:minmax(0,1fr) 22.5rem}.download-sticky{position:sticky;top:6.2rem}}@media (max-width:820px){.nav-pill{border-radius:1.5rem;align-items:flex-start}.nav-row{flex:100%}.brand-logo{height:3.3rem}}@media (max-width:720px){.nav-pill{border-radius:1.4rem}.hero .display{font-size:clamp(2.7rem,12vw,4rem)}.section-index{font-size:4.2rem}}@media (prefers-reduced-motion:no-preference){.scroll-cue-line{animation:1.8s ease-in-out infinite cue}.book-float-inner{animation:7.5s ease-in-out infinite floaty}}@keyframes word-in{0%{opacity:0;transform:translateY(.55em)}to{opacity:1;transform:none}}@keyframes aurora-drift{50%{transform:translate(24px,18px)scale(1.08)}}@keyframes aurora-shift{50%{background-position:18% 8%,70% 20%,40% 80%,0 0}}@keyframes spin{to{transform:rotate(1turn)}}@keyframes cue{50%{opacity:.35;transform:scaleY(.55)}}@keyframes floaty{50%{transform:translateY(-12px)}}@keyframes page-in-x{0%{opacity:0;transform:translate(16px,14px)}to{opacity:1;transform:none}}@keyframes page-in-rtl{0%{opacity:0;transform:translate(-16px,14px)}to{opacity:1;transform:none}}[dir=rtl] .aurora-1{animation-name:aurora-drift-rtl}@keyframes aurora-drift-rtl{50%{transform:translate(-24px,18px)scale(1.08)}}[dir=rtl] .cover-spine{background:linear-gradient(270deg,#0c06038c,#ffffff38 55%,#0000)}