@font-face{font-family:Manrope;src:url('assets/fonts/manrope-latin.woff2') format('woff2');font-weight:200 800;font-style:normal;font-display:swap}
:root{color-scheme:dark;--ground:#15221c;--ink:#f0f4e9;--mint:#c3f0ac;--paper:#eaf0e3;--forest:#213c2e;--sage:#d1ddc9;--charcoal:#18231f;--gutter:clamp(20px,3.5vw,64px);--display:clamp(44px,6vw,86px);--heading:clamp(40px,5.7vw,78px);--lead:clamp(18px,1.65vw,22px);--body:16px;--small:14px;--ease:cubic-bezier(.22,1,.36,1)}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--ground);color:var(--ink);font-family:Manrope,sans-serif;-webkit-font-smoothing:antialiased}button,a{-webkit-tap-highlight-color:transparent;touch-action:manipulation}button{font:inherit}a{color:inherit;text-decoration:none}button,a,figure{-webkit-user-select:auto}p,h1,h2,h3,figure{margin:0}h1,h2,h3{text-wrap:balance}p{line-height:1.6}button{cursor:pointer}button:disabled{cursor:default}::selection{background:var(--mint);color:var(--ground)}:focus-visible{outline:3px solid currentColor;outline-offset:6px}svg{flex:none}body{scrollbar-color:var(--mint) var(--ground)}
.skip-link{position:fixed;top:-80px;left:20px;z-index:100;padding:14px 20px;background:var(--mint);color:var(--ground)}.skip-link:focus{top:12px}
.site-header{position:relative;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:25px var(--gutter);background:var(--ground);z-index:20}.brand{font-size:22px;font-weight:800;letter-spacing:-.035em;line-height:1.2;white-space:nowrap}.brand span{display:block;font-size:var(--small);font-weight:400;letter-spacing:0;margin-top:4px}.site-header nav{display:flex;gap:clamp(15px,2vw,30px);align-items:center}.site-header nav a{font-size:var(--small);position:relative;padding:8px 0}.site-header nav a::after{content:'';display:block;position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--mint);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease)}.site-header nav a:hover::after,.site-header nav a[aria-current]::after{transform:scaleX(1)}.store-link{display:flex;align-items:center;gap:10px;font-size:var(--small)}.store-link svg{width:18px;transition:transform .2s var(--ease)}.store-link:hover svg{transform:translate(2px,-2px)}.menu-toggle{display:none}
.chapter{--field:var(--ground);--text:var(--ink);--slot:#22362b;--secondary:#c3cfbf;--slot-alt:#293e31;--action:var(--mint);background:var(--field);color:var(--text);padding:118px 0 100px;scroll-margin-top:0}.chapter-inner{max-width:1600px;margin:0 auto;padding:0 var(--gutter)}.chapter-heading{display:grid;grid-template-columns:1.2fr 1fr;align-items:end;gap:70px;margin-bottom:54px}.chapter-title{font-size:var(--heading);font-weight:600;line-height:1.04;letter-spacing:-.04em;max-width:12ch}.chapter-description{font-size:var(--lead);line-height:1.6;max-width:48ch}.chapter-heading .chapter-description{padding-bottom:3px}.chapter-note{font-size:var(--body);padding-top:25px;max-width:65ch;color:var(--secondary)}
.chapter-hero{padding-top:16px;padding-bottom:88px}.hero-wordmark{font-size:clamp(64px,14.7vw,214px);line-height:1.12;font-weight:800;letter-spacing:-.04em;white-space:nowrap;will-change:transform;margin-left:-.008em}.hero-intro{display:grid;grid-template-columns:1.35fr .65fr;gap:clamp(40px,8vw,130px);align-items:center;margin:50px 0 60px}.hero-title{font-size:var(--display);line-height:1.03;font-weight:600;letter-spacing:-.04em;max-width:10ch}.hero-text .chapter-description{font-size:var(--lead);margin-top:25px;max-width:46ch}.hero-actions{display:flex;flex-wrap:wrap;gap:22px;align-items:center;margin-top:29px}.hero-actions>span{font-size:var(--small);color:var(--secondary)}.button{display:inline-flex;align-items:center;justify-content:space-between;gap:30px;padding:18px 22px;background:var(--action);color:var(--ground);font-size:var(--body);font-weight:700;min-height:58px;transition:transform .2s var(--ease),background-color .2s ease}.button:hover{transform:translateY(-3px);background:#dbfacd}.button:active{transform:translateY(0) scale(.98)}.button svg{width:22px;transition:transform .2s var(--ease)}.button:hover svg{transform:translateX(3px)}
.wind-mood{align-self:end;padding:0 0 7px;max-width:360px;position:relative}.mood-heading{display:flex;gap:30px;align-items:baseline;justify-content:space-between}.mood-heading p{font-size:22px;font-weight:600;letter-spacing:-.02em}.mood-heading>span{font-size:var(--small);color:var(--secondary);white-space:nowrap}.mood-controls{display:flex;gap:8px;margin-top:22px}.mood-controls button{position:relative;flex:1;background:var(--slot);color:var(--text);border:0;padding:14px 16px;min-height:48px;font-size:var(--body);transition:background .2s ease,color .2s ease}.mood-controls button[aria-pressed=true]{background:var(--mint);color:var(--ground)}.mood-controls button:hover{background:#405b46}.mood-controls button[aria-pressed=true]:hover{background:#dbfacd}.mood-marker{position:absolute;height:3px;bottom:5px;left:16px;right:16px;background:currentColor}.mood-result{margin-top:25px;min-height:90px}.mood-result strong{font-size:22px;font-weight:500;display:block}.mood-result>span{display:block;font-size:var(--body);line-height:1.6;margin-top:5px;color:var(--secondary)}.air-strokes{display:flex;flex-direction:column;gap:9px;margin-top:12px;padding-right:24px;overflow:hidden}.air-strokes span{height:3px;background:var(--mint);border-radius:100%;display:block;width:83%;transform-origin:left}.air-strokes span:nth-child(2){width:60%;margin-left:28%}.air-strokes span:nth-child(3){width:72%;margin-left:8%}
.video-pair{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;align-items:start}.video-item{min-width:0}.video-slot{aspect-ratio:2/1;background:var(--slot);display:flex;flex-direction:column;justify-content:space-between;padding:clamp(18px,2.1vw,32px);position:relative;overflow:hidden;transition:background .25s ease}.video-item:nth-child(2) .video-slot{background:var(--slot-alt)}.slot-top,.slot-bottom{display:flex;justify-content:space-between;gap:12px;font-size:var(--small);line-height:1.3;color:var(--secondary)}.slot-copy{padding:20px 0;max-width:48ch}.slot-copy h3{font-size:clamp(22px,2.05vw,29px);line-height:1.2;font-weight:500;letter-spacing:-.025em;margin-bottom:12px;text-wrap:pretty}.slot-copy p{font-size:var(--body);line-height:1.55;max-width:48ch}.slot-bottom{font-size:var(--small)}
.chapter-paper{--field:var(--paper);--text:#1b2d21;--slot:#d9e2d0;--slot-alt:#d0ddc6;--secondary:#405239}.chapter-paper .chapter-heading{grid-template-columns:1fr 1fr;gap:8%}.chapter-paper .chapter-title{max-width:12ch}.chapter-paper .chapter-description{max-width:42ch}.chapter-paper .video-item:nth-child(2){margin-top:64px}.chapter-paper .chapter-note{margin-left:calc(50% + 10px)}
.chapter-forest{--field:var(--forest);--slot:#304d3c;--slot-alt:#395742;--secondary:#c7d9be}.chapter-forest .chapter-heading{grid-template-columns:1fr 1fr;gap:8%}.chapter-forest .chapter-title{max-width:13ch}.chapter-forest .chapter-description{max-width:43ch}.chapter-forest .chapter-note{font-size:22px;letter-spacing:-.02em}
.chapter-sage{--field:var(--sage);--text:#192e20;--slot:#bacdb0;--slot-alt:#c0d1b7;--secondary:#374f31}.chapter-sage .chapter-heading{grid-template-columns:1fr 1fr;gap:8%}.chapter-sage .chapter-title{max-width:13ch}.chapter-sage .video-item:first-child{margin-top:64px}.chapter-sage .chapter-note{max-width:42ch}
.chapter-charcoal{--field:var(--charcoal);--slot:#293a30;--slot-alt:#2e4035;--secondary:#c6d1c0}.chapter-charcoal .chapter-heading{display:flex;flex-direction:column;gap:24px;align-items:flex-start}.chapter-charcoal .chapter-title{max-width:18ch}.chapter-charcoal .chapter-description{max-width:63ch}.chapter-charcoal .chapter-note{text-align:right;max-width:none}
.chapter-mint{--field:var(--mint);--text:#17291c;--slot:#acd895;--slot-alt:#b4df9f;--secondary:#36502b;--action:var(--ground)}.chapter-mint .chapter-title{max-width:14ch}.chapter-mint .button{color:var(--ink)}.chapter-mint .button:hover{background:#2d4935}.closing{display:flex;justify-content:space-between;align-items:end;gap:40px;margin-top:100px}.closing>p{font-size:clamp(36px,4.5vw,64px);letter-spacing:-.04em;line-height:1.08;font-weight:500}.closing-note{font-size:var(--small);margin-top:15px}.site-footer{display:flex;align-items:center;justify-content:space-between;gap:25px;padding:32px var(--gutter);font-size:var(--small);background:var(--ground);color:var(--ink)}.site-footer>a:first-child{font-size:22px;font-weight:700;letter-spacing:-.03em}.back-top{display:inline-flex;gap:12px;align-items:center;min-height:44px}.back-top svg{transform:rotate(-90deg);width:18px;transition:transform .2s var(--ease)}.back-top:hover svg{transform:rotate(-90deg) translateX(3px)}
@media(min-width:1600px){.hero-wordmark{font-size:214px}.video-slot{padding:32px}.chapter-inner{padding-left:56px;padding-right:56px}}
@media(max-width:1100px){.site-header{gap:20px}.site-header nav{gap:16px}.store-link{display:none}.chapter-heading{gap:40px}.hero-intro{gap:40px;grid-template-columns:1.2fr .8fr}.mood-heading{display:block}.mood-heading>span{display:block;margin-top:5px}.video-slot{padding:20px}.slot-copy{padding:18px 0}.slot-copy p{font-size:15px}.slot-top,.slot-bottom{font-size:13px}.video-pair{gap:16px}}
@media(max-width:800px){:root{--display:64px;--heading:54px;--lead:18px}.site-header{padding-top:22px;padding-bottom:22px;flex-wrap:wrap}.brand{font-size:22px}.menu-toggle{display:block;margin-left:auto;border:0;background:var(--slot,#22362b);color:var(--ink);padding:12px 18px;min-height:44px;font-size:var(--body)}.site-header nav{display:none;flex-basis:100%;gap:12px 24px;flex-wrap:wrap;padding:10px 0 0}.site-header nav.is-open{display:flex}.site-header nav a{font-size:var(--body);padding:10px 0}.chapter{padding:80px 0 70px}.chapter-hero{padding-top:8px}.hero-wordmark{font-size:14.6vw}.hero-intro{gap:34px;margin:30px 0 44px;grid-template-columns:1fr 1fr}.hero-title{max-width:11ch}.hero-actions{gap:16px}.hero-actions>span{display:block}.wind-mood{align-self:center}.mood-controls{gap:5px}.mood-controls button{padding:13px 10px}.chapter-heading,.chapter-paper .chapter-heading,.chapter-forest .chapter-heading,.chapter-sage .chapter-heading{grid-template-columns:1fr;gap:24px;margin-bottom:36px}.chapter-title,.chapter-paper .chapter-title,.chapter-forest .chapter-title,.chapter-sage .chapter-title{max-width:18ch}.chapter-heading .chapter-description{max-width:56ch}.video-pair{grid-template-columns:1fr}.video-slot{padding:28px}.slot-top,.slot-bottom{font-size:var(--small)}.slot-copy p{font-size:var(--body)}.slot-copy h3{font-size:29px}.chapter-paper .video-item:nth-child(2),.chapter-sage .video-item:first-child{margin-top:0}.chapter-paper .chapter-note{margin-left:0}.chapter-forest .chapter-note{font-size:var(--body)}.chapter-charcoal .chapter-note{text-align:left}.closing{margin-top:68px}.site-footer{flex-wrap:wrap}.site-footer p{order:3;flex-basis:100%}.chapter-charcoal .chapter-heading{gap:24px}}
@media(max-width:580px){:root{--display:48px;--heading:44px;--lead:18px;--gutter:20px}.site-header{padding-top:20px;padding-bottom:20px}.hero-wordmark{font-size:14.3vw;letter-spacing:-.04em}.hero-intro{grid-template-columns:1fr;gap:34px;margin-top:26px;margin-bottom:32px}.hero-title{max-width:11ch}.hero-text .chapter-description{margin-top:20px}.hero-actions{margin-top:22px;align-items:flex-start;gap:15px;flex-direction:column}.hero-actions .button{width:100%;max-width:340px}.wind-mood{max-width:none;padding:22px 0 0}.mood-heading{display:flex;gap:20px}.mood-heading p{font-size:22px}.mood-heading>span{margin-top:0}.mood-controls{margin-top:15px;gap:6px}.mood-result{margin-top:20px;min-height:72px}.mood-result strong{font-size:22px}.air-strokes{display:none}.chapter{padding:64px 0}.chapter-hero{padding-top:0;padding-bottom:56px}.chapter-heading{margin-bottom:28px}.video-pair{gap:14px}.video-slot{padding:16px;aspect-ratio:2/1;min-height:0}.slot-top,.slot-bottom{font-size:13px;line-height:1.25;gap:6px}.slot-copy{padding:12px 0}.slot-copy h3{font-size:22px;line-height:1.15;margin-bottom:8px}.slot-copy p{display:none}.slot-bottom>span:last-child{display:none}.chapter-note{padding-top:22px}.chapter-charcoal .chapter-title{max-width:12ch}.chapter-description{font-size:var(--lead);line-height:1.6}.closing{display:block;margin-top:55px}.closing>p{font-size:40px;margin-bottom:28px}.closing .button{width:100%}.site-footer{padding-top:25px;padding-bottom:25px}.site-footer p{font-size:var(--small)}.back-top{margin-left:auto}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important;scroll-behavior:auto!important}.hero-wordmark{will-change:auto}}
@media(scripting:none){.wind-mood,.menu-toggle{display:none}.site-header nav{display:flex}}
/* Keep the copy vertically centered while the format note stays at the bottom. */
.slot-copy{flex:1;display:flex;flex-direction:column;justify-content:center}
.video-slot:has(video){padding:0}
.video-slot video{display:block;width:100%;height:100%;object-fit:contain;background:#000}
@media(max-width:580px){.slot-bottom>span:last-child{display:inline}}
@font-face{font-family:Manrope;src:url('assets/fonts/manrope-cyrillic.woff2') format('woff2');font-weight:200 800;font-style:normal;font-display:swap;unicode-range:U+0400-045F,U+0490-0491,U+04B0-04B1,U+2116}
.video-slot{border-radius:22px}
.video-slot video{border-radius:inherit}
.video-brief{margin-top:24px;font-size:var(--body);line-height:1.65}
.video-brief .brief-duration{font-size:var(--body);font-weight:700;line-height:1.5;margin-bottom:14px}
.video-brief ul{margin:0;padding-left:20px;max-width:70ch}
.video-brief li{padding-left:4px;margin-bottom:14px}
.video-brief li:last-child{margin-bottom:0}
@media(max-width:580px){.video-slot{border-radius:16px}.video-brief{margin-top:20px}.video-pair{gap:32px}.slot-copy h3{font-size:22px}.slot-copy{padding:8px 0}}

#details .video-pair{grid-template-columns:1fr}

.mask-diagrams{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(32px,5vw,80px)}
.mask-study{min-width:0;padding-top:26px;border-top:1px solid #84977a}
.mask-study h3{font-size:clamp(26px,3vw,38px);font-weight:500;letter-spacing:-.035em;line-height:1.15;margin-bottom:10px}
.mask-study figcaption p,.mask-explainer{font-size:16px;color:#374f31;max-width:46ch}
.mask-study svg{display:block;width:100%;height:auto;margin:20px 0 8px}
.mask-study svg text{font-family:Manrope,sans-serif;font-size:15px;fill:#285439}
@media(max-width:800px){.mask-diagrams{grid-template-columns:1fr;gap:42px}.mask-study svg{max-width:560px;margin-inline:auto}}

.shared-diagram{padding-top:12px;color:var(--ink)}
.shared-source{display:flex;align-items:center;justify-content:center;gap:22px}
.shared-symbol{font-size:64px;line-height:1;color:var(--mint)}
.shared-source h3{font-size:clamp(25px,3vw,38px);font-weight:500;letter-spacing:-.03em;line-height:1.2}
.shared-source p,.shared-plant p{color:var(--secondary);font-size:16px;margin-top:8px}
.shared-connections{width:100%;height:80px;display:block;margin-top:24px;stroke:#80977d;stroke-width:1;fill:none}
.shared-plants{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.shared-plant{text-align:center;min-width:0}
.shared-plant svg{display:block;width:100%;max-width:330px;margin:0 auto 12px}
.plant-ground{stroke:#60775f;stroke-width:1;fill:none}.plant-stem{stroke:#c3f0ac;stroke-width:2;fill:none;stroke-linecap:round}.plant-leaf{fill:#a5cc92}.plant-motion{stroke:#c3f0ac;stroke-width:1.5;fill:none;stroke-linecap:round}
.shared-plant h4{font-size:24px;font-weight:500;letter-spacing:-.025em;margin:0}
.shared-diagram figcaption{max-width:62ch;text-align:center;margin:40px auto 0;color:var(--secondary);font-size:18px;line-height:1.65}
@media(max-width:600px){.shared-source{justify-content:flex-start;gap:14px}.shared-symbol{font-size:46px}.shared-connections{display:none}.shared-plants{grid-template-columns:1fr;gap:32px;margin-top:32px;border-left:1px solid #80977d;padding-left:24px}.shared-plant{position:relative}.shared-plant:before{content:'';position:absolute;top:50%;left:-24px;width:24px;height:1px;background:#80977d}.shared-plant svg{max-width:250px}.shared-diagram figcaption{text-align:left;font-size:16px;margin-top:32px}}

.loop-diagrams{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:clamp(32px,5vw,80px)}
.loop-study{min-width:0;border-top:1px solid #78a164;padding-top:26px}
.loop-study h3{font-size:clamp(26px,3vw,38px);font-weight:500;line-height:1.15;letter-spacing:-.035em;margin-bottom:10px}
.loop-study figcaption p,.loop-explainer{font-size:16px;color:#36502b;max-width:46ch}
.loop-study svg{display:block;width:100%;height:auto;margin:28px 0 22px;fill:#254d2b}
.loop-study svg text{font:15px Manrope,sans-serif;fill:#254d2b}
.loop-axis{stroke:#72945f;stroke-width:1;fill:none}.loop-curve{stroke:#254d2b;stroke-width:3;fill:none;stroke-linecap:round}.loop-first{stroke:#648750}.loop-boundary{stroke:#527440;stroke-width:1;stroke-dasharray:4 6;fill:none}
@media(max-width:800px){.loop-diagrams{grid-template-columns:1fr;gap:42px}.loop-study svg{max-width:560px;margin-inline:auto}}

.final-videos{margin-top:64px}

.video-pair > .video-item:only-child{grid-column:1 / -1}