/* Art direction: private literary writing tool → calm, editorial, precise
   Palette: warm paper neutrals with deep teal accent
   Typography: Instrument Serif + Manrope — literary voice with clear product UI
   Density: spacious */
:root,[data-theme="light"]{
  --bg:#f3f0e8;--surface:#faf8f2;--surface-2:#fffdf8;--offset:#e9e4d8;--border:#d6d0c3;
  --text:#1f2522;--muted:#5f6762;--faint:#8a918c;--inverse:#f8f6ee;
  --primary:#174f4c;--primary-hover:#103b39;--primary-soft:#dce7e1;--line:#cbc5b8;
  --shadow:0 18px 60px rgba(34,45,40,.11);--font-display:'Instrument Serif',Georgia,serif;--font-body:'Manrope',Arial,sans-serif;
  --text-xs:clamp(.75rem,.7rem + .25vw,.875rem);--text-sm:clamp(.875rem,.8rem + .35vw,1rem);--text-base:clamp(1rem,.95rem + .25vw,1.125rem);--text-lg:clamp(1.125rem,1rem + .75vw,1.5rem);--text-xl:clamp(1.5rem,1.2rem + 1.25vw,2.25rem);--text-2xl:clamp(2.7rem,1.4rem + 4.4vw,5.8rem);
  --s1:.25rem;--s2:.5rem;--s3:.75rem;--s4:1rem;--s5:1.25rem;--s6:1.5rem;--s8:2rem;--s10:2.5rem;--s12:3rem;--s16:4rem;--s20:5rem;--s24:6rem;--s32:8rem;
  --radius-sm:.375rem;--radius-md:.5rem;--radius-lg:.75rem;--radius-xl:1rem;--ease:180ms cubic-bezier(.16,1,.3,1);--shell:1180px;
}
[data-theme="dark"]{--bg:#171a18;--surface:#1d211f;--surface-2:#242925;--offset:#2a302c;--border:#3a413d;--text:#e0e4df;--muted:#adb6b0;--faint:#7f8983;--inverse:#16201d;--primary:#83b8ad;--primary-hover:#a2cdc4;--primary-soft:#273c37;--line:#3d4540;--shadow:0 18px 60px rgba(0,0,0,.35)}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;scroll-padding-top:5rem;-webkit-text-size-adjust:none}body{min-height:100dvh;background:var(--bg);color:var(--text);font-family:var(--font-body);font-size:var(--text-base);line-height:1.65;-webkit-font-smoothing:antialiased}img,svg{display:block;max-width:100%;height:auto}a{color:inherit;text-decoration:none}button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}p{max-width:70ch;text-wrap:pretty}h1,h2,h3{font-weight:400;line-height:1.02;text-wrap:balance}.shell{width:min(calc(100% - 2rem),var(--shell));margin-inline:auto}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.skip-link{position:fixed;z-index:99;top:var(--s4);left:var(--s4);padding:var(--s3) var(--s4);background:var(--text);color:var(--bg);transform:translateY(-200%)}.skip-link:focus{transform:none}:focus-visible{outline:2px solid var(--primary);outline-offset:4px;border-radius:var(--radius-sm)}
.site-header{position:sticky;z-index:20;top:0;border-bottom:1px solid color-mix(in oklab,var(--text) 11%,transparent);background:color-mix(in oklab,var(--bg) 90%,transparent);backdrop-filter:blur(14px)}.nav-wrap{min-height:72px;display:flex;align-items:center;justify-content:space-between}.brand{display:inline-flex;align-items:center;gap:var(--s3);font-family:var(--font-display);font-size:1.55rem}.brand-mark{width:30px;color:var(--primary)}.site-menu{display:flex;align-items:center;gap:var(--s8);font-size:var(--text-sm);font-weight:600}.site-menu>a:not(.nav-cta){color:var(--muted)}.site-menu>a:hover{color:var(--primary)}.nav-cta{padding:.65rem 1rem;border:1px solid var(--primary);border-radius:var(--radius-sm)}.nav-cta:hover{background:var(--primary);color:var(--inverse)}.theme-toggle{width:44px;height:44px;display:grid;place-items:center;border-radius:50%}.theme-toggle:hover{background:var(--offset)}.theme-toggle svg{width:20px;fill:none;stroke:currentColor;stroke-width:1.7}.menu-toggle{display:none;width:44px;height:44px;place-content:center;gap:6px}.menu-toggle span:not(.sr-only){display:block;width:22px;height:1px;background:currentColor}
.hero{min-height:calc(100vh - 72px);padding-block:clamp(var(--s12),8vw,var(--s24));display:grid;grid-template-columns:.84fr 1.16fr;gap:clamp(var(--s8),5vw,var(--s20));align-items:center}.eyebrow,.section-index,.page-kicker,.note-label{font-size:var(--text-xs);font-weight:700;letter-spacing:.13em;text-transform:uppercase;color:var(--primary)}.hero h1{margin-top:var(--s6);font-family:var(--font-display);font-size:var(--text-2xl);letter-spacing:-.035em}.hero h1 em{color:var(--primary);font-weight:400}.lede{margin-top:var(--s6);font-size:var(--text-lg);color:var(--muted)}.hero-actions{margin-top:var(--s8);display:flex;align-items:center;gap:var(--s6);flex-wrap:wrap}.button{min-height:48px;display:inline-flex;align-items:center;justify-content:center;padding:var(--s3) var(--s6);border-radius:var(--radius-sm);font-size:var(--text-sm);font-weight:700;transition:background var(--ease),color var(--ease),transform var(--ease)}.button:hover{transform:translateY(-2px)}.button:active{transform:translateY(0)}.button.primary{background:var(--primary);color:var(--inverse)}.button.primary:hover{background:var(--primary-hover)}.text-link{min-height:44px;display:inline-flex;align-items:center;gap:var(--s2);font-size:var(--text-sm);font-weight:700}.text-link span{transition:transform var(--ease)}.text-link:hover span{transform:translateY(3px)}
.editor-preview{border:1px solid color-mix(in oklab,var(--text) 13%,transparent);background:var(--surface);box-shadow:var(--shadow);border-radius:var(--radius-lg);overflow:hidden;transform:rotate(.6deg)}.preview-chrome{min-height:54px;display:flex;align-items:center;justify-content:space-between;padding-inline:var(--s5);border-bottom:1px solid var(--border);font-size:.75rem}.preview-name{font-weight:700}.preview-actions{display:flex;gap:var(--s1);background:var(--offset);padding:var(--s1);border-radius:var(--radius-sm)}.preview-actions span{padding:var(--s1) var(--s2);color:var(--muted)}.preview-actions .active{background:var(--surface-2);color:var(--text);box-shadow:0 1px 2px rgba(0,0,0,.08)}.preview-body{min-height:480px;display:grid;grid-template-columns:120px 1fr 155px}.preview-sidebar{padding:var(--s5) var(--s4);border-right:1px solid var(--border);font-size:.63rem;color:var(--muted)}.preview-sidebar span,.preview-sidebar b{display:block;margin-bottom:var(--s4);text-transform:uppercase;letter-spacing:.08em}.preview-sidebar b{margin-top:var(--s5);color:var(--text)}.preview-sidebar i{display:block;width:88%;height:6px;margin-block:var(--s3);border-radius:10px;background:var(--offset)}.preview-sidebar i.short{width:62%}.page-sheet{align-self:start;min-height:370px;margin:var(--s8) var(--s5);padding:var(--s8);background:var(--surface-2);box-shadow:0 4px 20px rgba(31,37,34,.08)}.page-sheet h2{margin:var(--s3) 0 var(--s6);font-family:var(--font-display);font-size:2.3rem}.page-sheet p:not(.page-kicker){margin-bottom:var(--s4);font-family:Georgia,serif;font-size:.82rem;line-height:1.9}.editor-note{align-self:center;margin-right:var(--s4);padding:var(--s4);background:var(--primary-soft);border-radius:var(--radius-sm);font-size:.7rem}.editor-note p{margin-block:var(--s3);line-height:1.6}.note-action{font-weight:700;color:var(--primary)}
.manifesto{padding-block:clamp(var(--s20),11vw,var(--s32));background:var(--primary);color:var(--inverse)}.manifesto .section-index{color:color-mix(in oklab,var(--inverse) 72%,transparent)}.manifesto-grid{display:grid;grid-template-columns:1fr 3fr;gap:var(--s8)}.manifesto h2,.section-heading h2,.privacy h2,.early-access h2{font-family:var(--font-display);font-size:clamp(2.4rem,1.5rem + 3vw,4.7rem);letter-spacing:-.025em}.manifesto p:not(.section-index){margin-top:var(--s6);max-width:56ch;font-size:var(--text-lg);color:color-mix(in oklab,var(--inverse) 78%,transparent)}
.features{padding-block:clamp(var(--s20),10vw,var(--s32))}.section-heading{display:grid;grid-template-columns:1fr 3fr;gap:var(--s8);margin-bottom:var(--s16)}.feature-layout{display:grid;grid-template-columns:1.4fr 1fr;gap:var(--s4)}.feature-main,.feature-small{background:var(--surface);border:1px solid color-mix(in oklab,var(--text) 11%,transparent)}.feature-main{min-height:520px;padding:clamp(var(--s8),5vw,var(--s16));display:flex;flex-direction:column}.feature-stack{display:grid;gap:var(--s4)}.feature-small{padding:clamp(var(--s6),3vw,var(--s10))}.feature-number{font-family:var(--font-display);font-size:var(--text-lg);color:var(--primary)}.feature-layout h3{margin-top:var(--s10);font-family:var(--font-display);font-size:var(--text-xl)}.feature-layout p{margin-top:var(--s4);color:var(--muted)}.mode-strip{margin-top:auto;display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s1);padding:var(--s1);background:var(--offset);border-radius:var(--radius-md)}.mode-strip span{padding:var(--s3);text-align:center;font-size:var(--text-xs);font-weight:700;color:var(--muted)}.mode-strip .selected{background:var(--surface-2);color:var(--text);box-shadow:0 1px 4px rgba(0,0,0,.09);border-radius:calc(var(--radius-md) - var(--s1))}
.image-break{width:min(94%,1440px);margin-inline:auto}.image-break figure{position:relative}.image-break img{width:100%;max-height:740px;object-fit:cover;filter:saturate(.82) contrast(.95)}.image-break figcaption{position:absolute;left:var(--s8);bottom:var(--s8);max-width:27ch;padding:var(--s4) var(--s5);background:color-mix(in oklab,var(--surface-2) 91%,transparent);color:var(--text);font-family:var(--font-display);font-size:var(--text-lg);box-shadow:var(--shadow)}
.privacy{padding-block:clamp(var(--s20),10vw,var(--s32));display:grid;grid-template-columns:1.1fr .9fr;gap:clamp(var(--s10),9vw,var(--s32));align-items:center}.privacy h2{margin-top:var(--s6)}.privacy-copy>p:last-child{margin-top:var(--s8);color:var(--muted)}.privacy-panel{padding:var(--s6);background:var(--surface);border:1px solid color-mix(in oklab,var(--text) 12%,transparent);box-shadow:var(--shadow)}.privacy-row{min-height:82px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:var(--s4);border-bottom:1px solid var(--border)}.privacy-row strong,.privacy-row small{display:block}.privacy-row small{margin-top:var(--s1);font-size:var(--text-xs);color:var(--muted)}.status-dot{width:10px;height:10px;background:var(--primary);border-radius:50%;box-shadow:0 0 0 5px var(--primary-soft)}.cloud-icon{font-size:1.8rem;color:var(--muted)}.status{font-size:var(--text-xs);font-weight:700;color:var(--primary)}.status.muted{color:var(--muted)}.panel-note{padding-top:var(--s5);font-size:var(--text-xs);color:var(--muted)}
.early-access{padding-block:clamp(var(--s16),8vw,var(--s24));background:var(--text);color:var(--bg)}.early-access .section-index{color:color-mix(in oklab,var(--bg) 60%,transparent)}.access-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:var(--s16);align-items:end}.early-access h2{margin-top:var(--s6);max-width:12ch}.access-copy>p{color:color-mix(in oklab,var(--bg) 72%,transparent)}.button.light{margin-top:var(--s6);background:var(--bg);color:var(--text)}.button.light:hover{background:var(--primary-soft)}.access-copy small{display:block;margin-top:var(--s3);font-size:var(--text-xs);color:color-mix(in oklab,var(--bg) 56%,transparent)}.site-footer{padding-block:var(--s10);border-top:1px solid var(--border)}.footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;align-items:center;gap:var(--s6);font-size:var(--text-xs);color:var(--muted)}.footer-grid>p{text-align:center}.footer-meta{display:flex;justify-content:flex-end;gap:var(--s5)}.footer-brand{font-size:1.3rem;color:var(--text)}
.reveal{opacity:0;transform:translateY(18px);transition:opacity .7s cubic-bezier(.16,1,.3,1),transform .7s cubic-bezier(.16,1,.3,1)}.reveal.visible{opacity:1;transform:none}
@media(max-width:900px){.hero{grid-template-columns:1fr;min-height:auto}.hero-copy{max-width:700px}.editor-preview{transform:none}.manifesto-grid,.section-heading{grid-template-columns:1fr}.feature-layout,.privacy,.access-grid{grid-template-columns:1fr}.feature-main{min-height:430px}.preview-body{grid-template-columns:90px 1fr}.editor-note{display:none}.footer-grid{grid-template-columns:1fr 1fr}.footer-grid>p{display:none}}
@media(max-width:700px){.site-header{position:sticky}.menu-toggle{display:grid}.site-menu{position:absolute;top:72px;left:0;right:0;display:none;padding:var(--s4);background:var(--bg);border-bottom:1px solid var(--border);box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:var(--s2)}.site-menu.open{display:flex}.site-menu a{min-height:48px;display:flex;align-items:center;padding-inline:var(--s3)}.theme-toggle{align-self:flex-end}.hero{padding-top:var(--s16)}.hero-actions{align-items:stretch;flex-direction:column}.button.primary{width:100%}.preview-sidebar{display:none}.preview-body{grid-template-columns:1fr;min-height:410px}.page-sheet{margin:var(--s4);padding:var(--s6)}.manifesto-grid{gap:var(--s6)}.feature-main{min-height:460px;padding:var(--s8)}.image-break{width:100%}.image-break img{height:520px}.image-break figcaption{left:var(--s4);right:var(--s4);bottom:var(--s4);font-size:var(--text-base)}.privacy-panel{padding:var(--s4)}.privacy-row{grid-template-columns:auto 1fr}.privacy-row>.status{grid-column:2}.footer-grid{grid-template-columns:1fr}.footer-meta{justify-content:flex-start;flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){*,*::before,*::after{scroll-behavior:auto!important;animation-duration:.01ms!important;transition-duration:.01ms!important}.reveal{opacity:1;transform:none}}

/* Interactive product demonstration */
.preview-name{display:flex;align-items:center;gap:var(--s2)}.preview-name small{font-weight:500;color:var(--faint);transition:color var(--ease)}.save-dot{width:7px;height:7px;border-radius:50%;background:var(--primary)}.preview-name.is-saving .save-dot{animation:save-pulse .8s ease-in-out infinite}.preview-name.is-saving small{color:var(--primary)}
.preview-actions button{min-width:52px;min-height:32px;padding:var(--s1) var(--s2);border-radius:calc(var(--radius-sm) - 2px);color:var(--muted);font-size:.75rem}.preview-actions button[aria-selected="true"]{background:var(--surface-2);color:var(--text);box-shadow:0 1px 2px rgba(0,0,0,.08)}
.demo-stage{position:relative}.demo-stage .preview-body{transition:grid-template-columns .55s cubic-bezier(.16,1,.3,1)}.project-item{width:100%;min-height:27px;display:flex;align-items:center;gap:6px;margin-bottom:4px;padding:3px 5px;text-align:left;border-radius:3px;font-size:.58rem;color:var(--muted);white-space:nowrap;overflow:hidden}.project-item i{width:5px;height:5px;flex:0 0 auto;border-radius:50%;background:var(--border)}.project-item.active{background:var(--primary-soft);color:var(--text)}.project-item.active i{background:var(--primary)}
.working-sentence{position:relative}.typed-text{background:linear-gradient(var(--primary-soft),var(--primary-soft)) no-repeat 0 100%/100% 42%}.typing-caret{display:inline-block;width:1px;height:1.08em;margin-left:2px;vertical-align:-.18em;background:var(--primary);animation:caret-blink .8s steps(1,end) infinite}.editor-note{transition:opacity .35s ease,transform .55s cubic-bezier(.16,1,.3,1)}.thinking-line{display:none;align-items:center;gap:3px;color:var(--muted)}.thinking-line span{width:5px;height:5px;border-radius:50%;background:var(--primary);animation:thinking .9s ease-in-out infinite}.thinking-line span:nth-child(2){animation-delay:.12s}.thinking-line span:nth-child(3){animation-delay:.24s}.thinking-line small{margin-left:4px}.note-content{transition:opacity .3s ease,transform .45s cubic-bezier(.16,1,.3,1)}.note-action{min-height:32px}.note-action span{display:inline-block;transition:transform var(--ease)}.note-action:hover span{transform:translateX(3px)}
.demo-caption{min-height:46px;display:flex;align-items:center;justify-content:space-between;padding:0 var(--s5);border-top:1px solid var(--border);background:var(--surface);font-size:.65rem;color:var(--muted)}.demo-step{display:flex;gap:var(--s2);align-items:center}.demo-step b{font-variant-numeric:tabular-nums;color:var(--primary)}.demo-pause{width:36px;height:36px;display:grid;place-items:center;border-radius:50%}.demo-pause:hover{background:var(--offset)}.demo-pause svg{grid-area:1/1;width:15px;fill:none;stroke:currentColor;stroke-width:1.8}.demo-pause .play-icon{display:none}.demo-pause.paused .pause-icon{display:none}.demo-pause.paused .play-icon{display:block}
.demo-stage[data-demo-stage="draft"] .editor-note{opacity:0;transform:translateX(14px);pointer-events:none}.demo-stage[data-demo-stage="draft"] .typed-text{background-size:0 42%}.demo-stage[data-demo-stage="revise"] .working-sentence{background:color-mix(in oklab,var(--primary-soft) 72%,transparent);border-radius:2px}.demo-stage[data-demo-stage="revise"] .typing-caret{display:none}.demo-stage[data-demo-stage="revise"] .editor-note{opacity:1;transform:none}.demo-stage[data-demo-stage="revise"].is-thinking .thinking-line{display:flex}.demo-stage[data-demo-stage="revise"].is-thinking .note-content{opacity:0;transform:translateY(8px)}
.demo-stage[data-demo-stage="page"] .preview-body{grid-template-columns:0 1fr 0}.demo-stage[data-demo-stage="page"] .preview-sidebar,.demo-stage[data-demo-stage="page"] .editor-note{opacity:0;overflow:hidden;pointer-events:none}.demo-stage[data-demo-stage="page"] .page-sheet{max-width:500px;width:calc(100% - var(--s10));margin-inline:auto;box-shadow:none}.demo-stage[data-demo-stage="page"] .typing-caret{display:none}.demo-stage[data-demo-stage="page"] .working-sentence{background:none}
.editor-preview.demo-engaged{box-shadow:0 24px 80px rgba(23,79,76,.18)}
@keyframes caret-blink{50%{opacity:0}}@keyframes thinking{0%,100%{opacity:.25;transform:translateY(0)}50%{opacity:1;transform:translateY(-2px)}}@keyframes save-pulse{50%{opacity:.35}} 
@media(max-width:900px){.demo-stage .preview-body{grid-template-columns:90px 1fr}.demo-stage[data-demo-stage="page"] .preview-body{grid-template-columns:0 1fr}.demo-stage[data-demo-stage="revise"] .editor-note{position:absolute;right:var(--s4);bottom:var(--s16);display:block;width:190px;z-index:2;box-shadow:var(--shadow)}}
@media(max-width:700px){.demo-stage .preview-body{grid-template-columns:1fr}.demo-stage .preview-sidebar{display:none}.demo-stage[data-demo-stage="page"] .preview-body{grid-template-columns:1fr}.demo-stage[data-demo-stage="revise"] .editor-note{right:var(--s4);bottom:var(--s4);width:min(210px,58%)}.preview-name small{display:none}.preview-actions button{min-width:47px}.demo-caption{padding-inline:var(--s4)}}
@media(prefers-reduced-motion:reduce){.typing-caret,.thinking-line span,.preview-name.is-saving .save-dot{animation:none}.reveal{opacity:1;transform:none}}