@font-face{font-family:Inter;font-weight:400;font-display:swap;src:url(assets/fonts/Inter-400.ttf)}
@font-face{font-family:Inter;font-weight:500;font-display:swap;src:url(assets/fonts/Inter-500.ttf)}
@font-face{font-family:Inter;font-weight:600;font-display:swap;src:url(assets/fonts/Inter-600.ttf)}
@font-face{font-family:"IBM Plex Mono";font-weight:500;font-display:swap;src:url(assets/fonts/PlexMono-500.ttf)}
@font-face{font-family:"IBM Plex Mono";font-weight:600;font-display:swap;src:url(assets/fonts/PlexMono-600.ttf)}
:root{
  --ink:#14161A;--ink-2:#1d1f24;--paper:#F3F1EC;--white:#fff;
  --phosphor:#5FD86A;--phosphor-ink:#1B7330;
  --grey:#6e6e73;--grey-2:#86868b;--line:rgba(20,22,26,.12);
  --sans:"Inter",-apple-system,BlinkMacSystemFont,"SF Pro Text","Helvetica Neue",Arial,sans-serif;
  --mono:"IBM Plex Mono",ui-monospace,SFMono-Regular,Menlo,monospace;
  --radius:28px;--max:1120px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:64px}
body{font-family:var(--sans);background:var(--white);color:var(--ink);font-size:17px;line-height:1.47;letter-spacing:-.01em;-webkit-font-smoothing:antialiased}
img{display:block;max-width:100%}
a{color:inherit}
.wrap{max-width:var(--max);margin:0 auto;padding:0 20px}
.mono{font-family:var(--mono)}

/* Nav: translucent, sticky, like apple.com */
.nav{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.72);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid var(--line)}
.nav .wrap{display:flex;align-items:center;justify-content:space-between;height:52px}
.brand{display:flex;align-items:center;gap:8px;text-decoration:none;font:600 16px var(--mono);letter-spacing:0}
.brand svg{width:24px;height:24px}
.nav-links{display:none;gap:28px;font-size:13px;color:#3a3a3c}
.nav-links a{text-decoration:none}
.nav-links a:hover{color:var(--ink)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:980px;padding:12px 22px;font:500 17px var(--sans);text-decoration:none;background:var(--ink);color:#fff;border:0;cursor:pointer;transition:background .2s,transform .2s}
.btn:hover{background:#2c2f35}
.btn:active{transform:scale(.98)}
.btn-sm{padding:6px 14px;font-size:13px}
.btn-green{background:var(--phosphor);color:var(--ink)}
.btn-green:hover{background:#7FE28A}
.more{color:var(--phosphor-ink);text-decoration:none;font-size:17px}
.more::after{content:" \203A";font-size:1.15em}
.more:hover{text-decoration:underline}
.dark .more{color:var(--phosphor)}
a:focus-visible,.btn:focus-visible,summary:focus-visible{outline:3px solid var(--phosphor);outline-offset:3px;border-radius:8px}

/* Type */
.eyebrow{font:600 14px var(--mono);color:var(--phosphor-ink);letter-spacing:.02em;margin-bottom:12px}
.dark .eyebrow{color:var(--phosphor)}
.h-hero{font:600 clamp(44px,9vw,96px)/1.02 var(--mono);letter-spacing:-.04em;margin-bottom:18px}
.h-section{font-size:clamp(34px,5.5vw,56px);font-weight:600;line-height:1.07;letter-spacing:-.03em;margin-bottom:16px}
.lede{font-size:clamp(19px,2.4vw,24px);line-height:1.35;color:var(--grey);max-width:640px}
.dark .lede{color:#a1a1a6}
.center{text-align:center}
.center .lede{margin-left:auto;margin-right:auto}

/* Sections */
section{padding:88px 0}
.alt{background:var(--paper)}
.dark{background:#000;color:#f5f5f7}

/* Hero */
.hero{padding:72px 0 0;text-align:center}
.hero .lede{margin:0 auto 28px}
.cta{display:flex;flex-wrap:wrap;gap:16px 28px;justify-content:center;align-items:center}
.fine{font-size:14px;color:var(--grey-2);margin-top:18px}
.hero-photo{margin:56px auto 0;max-width:1240px;padding:0 20px}

/* Photos */
.photo{position:relative;overflow:hidden;border-radius:var(--radius);background:linear-gradient(135deg,#e6e3dc,#cfcbc2);aspect-ratio:16/10}
.photo img{width:100%;height:100%;object-fit:cover}
.photo.tall{aspect-ratio:4/5}
.photo.wide{aspect-ratio:4/3}
.dark .photo{background:linear-gradient(135deg,#1c1d21,#2a2c31)}

/* Statement */
.statement .grid{display:grid;gap:40px;align-items:center}
.dark.statement p.body{color:#a1a1a6}
.photo.tall img{object-position:50% 30%}
.tile.side .photo{aspect-ratio:1/1}
.tile.side .photo img{object-position:50% 35%}
.statement p.body{color:var(--grey);font-size:19px;max-width:480px;margin-bottom:22px}

/* Bento tiles */
.bento{display:grid;gap:16px;margin-top:48px}
.tile{background:var(--white);border-radius:var(--radius);padding:36px 32px;overflow:hidden;display:flex;flex-direction:column}
.alt .tile{background:var(--white)}
.tile h3{font-size:clamp(24px,3vw,32px);font-weight:600;line-height:1.12;letter-spacing:-.025em;margin-bottom:10px}
.tile p{color:var(--grey)}
.tile .photo{margin:28px -32px -36px;border-radius:0;aspect-ratio:16/11}
.tile.ink{background:var(--ink);color:#f5f5f7}
.tile.ink p{color:#a1a1a6}
.stat{white-space:nowrap;font:600 clamp(48px,5.5vw,72px)/1 var(--mono);letter-spacing:-.04em;color:var(--phosphor);margin:auto 0 8px;padding-top:24px}
.tools{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:24px}
.tools span{font:500 14px var(--sans);background:var(--paper);border-radius:980px;padding:8px 14px}

/* Inside */
.scroller{display:grid;gap:24px;margin:72px 0 88px}
.part{background:var(--white);border:1px solid var(--line);border-radius:22px;padding:28px 24px;transition:opacity .4s}
.part .n{font:600 13px var(--mono);color:var(--phosphor-ink);margin-bottom:20px}
.part h3{font-size:clamp(21px,2.4vw,28px);font-weight:600;letter-spacing:-.02em;margin-bottom:8px}
.part p{color:var(--grey);font-size:17px}
/* Kit pages shown as real paper on a soft stage */
.stage{position:relative;border-radius:22px;background:radial-gradient(120% 90% at 50% 0%,#fbfaf7 0%,#ebe8e1 100%);overflow:hidden}
.stage .pg{position:absolute;left:50%;top:50%;height:78%;width:auto;aspect-ratio:1240/1754;transform:translate(-50%,-50%);border-radius:3px;background:#fff;box-shadow:0 1px 2px rgba(20,22,26,.08),0 18px 40px rgba(20,22,26,.16),0 40px 80px rgba(20,22,26,.10)}
.fan .pg:nth-child(1){transform:translate(-80%,-49%) rotate(-6deg)}
.fan .pg:nth-child(2){transform:translate(-20%,-49%) rotate(6deg)}
.mini{margin-top:24px;aspect-ratio:4/3}
.viewer{display:none}
.list h3{font-size:28px;font-weight:600;letter-spacing:-.025em;margin-bottom:6px}
.list>p{color:var(--grey);margin-bottom:20px}
.list{max-width:820px;margin:0 auto}
.list ul{list-style:none;columns:2;column-gap:40px}
.list li{break-inside:avoid;padding:12px 0;border-bottom:1px solid var(--line);font-size:16px;display:flex;gap:10px;align-items:baseline}
.list li span{margin-left:auto;font:500 13px var(--mono);color:var(--phosphor-ink);white-space:nowrap}
.list .note-fine{font-size:13px;color:var(--grey-2);margin-top:16px}
.list li::before{content:"";flex:none;width:18px;height:18px;margin-top:2px;border-radius:50%;background:var(--phosphor) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3E%3Cpath d='M4 8.5l2.5 2.5L12 5.5' fill='none' stroke='%2314161A' stroke-width='2'/%3E%3C/svg%3E") center/12px no-repeat}

/* Hero tagline: "busyness" fades out, left to right */
@property --fade{syntax:"<color>";inherits:false;initial-value:#14161A}
.vanish{background:linear-gradient(90deg,var(--ink) 0%,var(--ink) 12%,var(--fade) 100%);-webkit-background-clip:text;background-clip:text;color:transparent;--fade:#C9C9CE;padding-right:.05em}
.js .vanish{animation:vanish 2.6s .9s cubic-bezier(.4,0,.2,1) both}
@keyframes vanish{from{--fade:#14161A}to{--fade:#C9C9CE}}

/* Steps */
.steps{list-style:none;display:grid;gap:40px;margin-top:56px;text-align:left}
.steps .num{font:600 56px/1 var(--mono);color:var(--phosphor);margin-bottom:14px}
.steps h3{font-size:24px;font-weight:600;letter-spacing:-.02em;margin-bottom:8px}
.steps p{color:#a1a1a6}

/* FAQ */
.faq{max-width:820px;margin:40px auto 0}
.faq details{border-bottom:1px solid var(--line)}
.faq summary{list-style:none;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:20px;padding:24px 0;font-size:clamp(19px,2.2vw,22px);font-weight:600;letter-spacing:-.02em}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font:300 30px/1 var(--sans);color:var(--grey);transition:transform .3s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details p{color:var(--grey);padding:0 40px 24px 0;font-size:17px}

/* Final */
.final{position:relative;padding:0;color:#fff;background:#000;overflow:hidden}
.final .photo{position:absolute;inset:0;border-radius:0;aspect-ratio:auto;background:linear-gradient(135deg,#1c1d21,#2a2c31)}
.final .photo::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(0,0,0,.25),rgba(0,0,0,.7))}
.final .inner{position:relative;text-align:center;padding:140px 20px}
.final svg{width:56px;height:56px;margin:0 auto 24px;display:block}
.final .lede{color:#d2d2d7;margin:0 auto 32px}

/* Footer */
footer{background:var(--paper);color:var(--grey);font-size:12px;line-height:1.5;padding:28px 0 36px}
footer .disclaimer{padding-bottom:18px;border-bottom:1px solid var(--line);margin-bottom:16px;max-width:none}
footer .row{display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between}
footer nav{display:flex;flex-wrap:wrap;gap:6px 20px}
footer a{text-decoration:none;color:#424245}
footer a:hover{text-decoration:underline}

/* Legal pages */
.legal{max-width:720px;padding:64px 20px 96px}
.legal h1{font-size:clamp(36px,5vw,48px);font-weight:600;letter-spacing:-.03em;margin-bottom:6px}
.legal .updated{color:var(--grey);margin-bottom:24px}
.legal h2{font-size:21px;font-weight:600;letter-spacing:-.02em;margin:36px 0 8px}
.legal p,.legal li{color:#3a3a3c;margin-bottom:10px}
.legal ul{padding-left:20px}
.legal a{color:var(--phosphor-ink)}
.todo{background:#FFF3B0;padding:0 4px;border-radius:4px}

/* Reveal on scroll (only when JS is on, never for reduced motion) */
.js .reveal{opacity:0;transform:translateY(28px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.js .reveal.in{opacity:1;transform:none}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.js .vanish{animation:none}.js .reveal{opacity:1;transform:none;transition:none}}

@media(min-width:760px){
  .wrap{padding:0 32px}
  section{padding:120px 0}
  .hero{padding-top:96px}
  .nav-links{display:flex}
  .photo.wide{aspect-ratio:16/9}
  .statement .flip>figure{order:-1}
  .tile.side{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center}
  .tile.side .photo{margin:-36px -32px -36px 0;height:calc(100% + 72px);aspect-ratio:auto}
  .statement .grid{grid-template-columns:1fr 1fr;gap:64px}
  .bento{grid-template-columns:repeat(6,1fr)}
  .t-a{grid-column:span 4}
  .t-b{grid-column:span 2}
  .t-c{grid-column:span 2}
  .t-d{grid-column:span 4}
  .scroller{grid-template-columns:1fr 1.15fr;gap:64px;align-items:start}
  .steps-list{display:grid;gap:24px;padding:12vh 0}
  .part{padding:40px 36px;min-height:46vh;display:flex;flex-direction:column;justify-content:center}
  .js .part{opacity:.35}
  .js .part.active{opacity:1}
  .mini{display:none}
  .viewer{display:block;position:sticky;top:calc(50vh - 280px);aspect-ratio:1/1;width:100%;max-width:560px;justify-self:center}
  .viewer .slide{position:absolute;inset:0;opacity:0;transform:translateY(18px) scale(.985);transition:opacity .55s ease,transform .7s cubic-bezier(.2,.7,.2,1)}
  .viewer .slide.on{opacity:1;transform:none}
  .steps{grid-template-columns:repeat(3,1fr)}
  .final .inner{padding:200px 32px}
}
@media(max-width:480px){.list ul{columns:1}}