@font-face{font-family:Fraunces;font-style:normal;font-weight:300 900;font-display:swap;src:url(fonts/fraunces-normal-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:Fraunces;font-style:normal;font-weight:300 900;font-display:swap;src:url(fonts/fraunces-normal-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url(fonts/source-serif-4-normal-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Source Serif 4";font-style:normal;font-weight:200 900;font-display:swap;src:url(fonts/source-serif-4-normal-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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:"Source Serif 4";font-style:italic;font-weight:200 900;font-display:swap;src:url(fonts/source-serif-4-italic-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"Source Serif 4";font-style:italic;font-weight:200 900;font-display:swap;src:url(fonts/source-serif-4-italic-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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:"IBM Plex Sans";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/ibmplexsans-normal-500-latin.woff2) format("woff2");unicode-range:U+0000-00FF,U+0131,U+0152-0153,U+02BB-02BC,U+02C6,U+02DA,U+02DC,U+0304,U+0308,U+0329,U+2000-206F,U+20AC,U+2122,U+2191,U+2193,U+2212,U+2215,U+FEFF,U+FFFD}
@font-face{font-family:"IBM Plex Sans";font-style:normal;font-weight:500;font-display:swap;src:url(fonts/ibmplexsans-normal-500-latin-ext.woff2) format("woff2");unicode-range:U+0100-02BA,U+02BD-02C5,U+02C7-02CC,U+02CE-02D7,U+02DD-02FF,U+0304,U+0308,U+0329,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}

/* Cutremure: the hub. Night: the ground as warm dark earth, quakes as embers. Day: paper, embers in brick and ink. */
:root,html[data-theme="dark"]{
  --bg:#0b0a09; --panel:#14120f; --panel-2:#1f1b16; --ink:#f3ede2; --muted:#cfc6b6; --line:#3a332a; --line-soft:#26211b;
  --accent:#ffad66; --focus:#9cc8ff; --kicker:#ff8a4c;
  --hero-bg:#070605; --ground:#1a130d; --hero-ink:#f3ede2; --hero-muted:#bdb2a0; --hero-line:#4a3f33;
  --ember-0:#ffd28a; --ember-1:#ff8f45; --ember-2:#e8503c; --p-wave:#a9d4ff; --s-wave:#ff8a4c; --city:#fff1c9; --ring:#f3ede2;
  --callout:#1c1610; --callout-line:#5a4630;
  --serif:"Source Serif 4",Georgia,"Times New Roman",serif; --display:Fraunces,"Source Serif 4",Georgia,serif;
  --sans:"IBM Plex Sans",system-ui,-apple-system,"Segoe UI",sans-serif;
  --to-top-bg:#14120f; --to-top-fg:#f3ede2; --topbar:44px;
  --safe-top:var(--browser-safe-top,env(safe-area-inset-top,0px)); --bar:calc(var(--topbar) + var(--safe-top));
  color-scheme:dark;
}
html[data-theme="light"]{
  --bg:#f5f0e6; --panel:#fbf8f1; --panel-2:#ebe3d3; --ink:#1d1a15; --muted:#463f35; --line:#cbbfa9; --line-soft:#ded4c2;
  --accent:#80250d; --focus:#0b5cad; --kicker:#80250d;
  --hero-bg:#efe8da; --ground:#e3d8c3; --hero-ink:#1d1a15; --hero-muted:#4d4539; --hero-line:#b9aa90;
  --ember-0:#b0701a; --ember-1:#bf4317; --ember-2:#8e1c13; --p-wave:#1f5f9e; --s-wave:#b8361a; --city:#3a2f22; --ring:#1d1a15;
  --callout:#f7ead6; --callout-line:#d8b98d;
  --to-top-bg:#fbf8f1; --to-top-fg:#1d1a15;
  color-scheme:light;
}
*{box-sizing:border-box}
[hidden]{display:none!important}
svg[hidden]{display:none!important}
html{-webkit-text-size-adjust:100%;scroll-padding-top:calc(var(--bar) + 12px)}
body{margin:0;background:var(--bg);color:var(--ink);font:400 18.5px/1.6 var(--serif);font-optical-sizing:auto}
a{color:var(--accent);text-underline-offset:.18em;text-decoration-thickness:1px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:2px;border-radius:4px}
button{font:inherit;color:inherit}
.skip{position:absolute;left:-9999px;top:0;z-index:100;background:var(--panel);padding:8px 12px}
.skip:focus{left:8px;top:8px}

/* top bar */
.topbar{position:fixed;inset:0 0 auto 0;height:var(--bar);z-index:40;display:flex;align-items:center;gap:6px;padding:var(--safe-top) 8px 0 14px;
  background:var(--hero-bg);border-bottom:1px solid var(--line-soft);font:500 14px/1 var(--sans)}
.brand{display:flex;align-items:center;gap:9px;color:var(--ink);text-decoration:none;font-weight:600;white-space:nowrap}
.brand-mark{width:18px;height:18px;flex:none;display:block;color:var(--muted)}
.topnav{display:flex;gap:2px;margin-left:12px;overflow:hidden;min-width:0}
.topnav a{color:var(--muted);text-decoration:none;padding:8px 9px;border-radius:6px;white-space:nowrap}
.topnav a:hover{color:var(--ink);background:var(--panel-2)}
.spacer{flex:1}
.chip{display:inline-flex;align-items:center;justify-content:center;min-width:36px;height:32px;padding:0 8px;border-radius:16px;color:var(--muted);text-decoration:none;font-weight:600;font-size:13px}
.chip[aria-current]{color:var(--ink);background:var(--panel-2)}
.icon-btn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border:0;background:none;border-radius:20px;cursor:pointer;color:var(--ink)}
.icon-btn:hover{background:var(--panel-2)}
@media (max-width:860px){.topnav{display:none}}

/* hero: text and the section side by side on wide screens, stacked on phones */
main{display:block}
.hero{background:var(--hero-bg);color:var(--hero-ink);padding-top:var(--bar);display:grid;grid-template-columns:minmax(360px,40%) 1fr;min-height:min(100svh,980px)}
.hero-text{align-self:center;padding:32px 24px 32px clamp(20px,4vw,64px);max-width:640px;justify-self:end}
.kicker{font:600 13px/1.3 var(--sans);letter-spacing:.08em;text-transform:uppercase;color:var(--kicker);margin:0 0 12px}
h1{font:600 clamp(31px,3.6vw,52px)/1.06 var(--display);letter-spacing:-.01em;margin:0 0 18px;text-wrap:balance}
.dek{font-size:clamp(17px,1.25vw,19px);line-height:1.55;color:var(--hero-ink);margin:0;max-width:60ch}
.stage-fig{margin:0;position:relative;min-height:560px}
.stage{position:absolute;inset:0}
.stage canvas{position:absolute;inset:0;display:block;touch-action:pan-y}
.stage:not(.ready) canvas{opacity:0}
.stage.ready canvas{opacity:1;transition:opacity .8s}
.tip{position:absolute;left:0;top:0;pointer-events:none;background:var(--panel);color:var(--ink);border:1px solid var(--line);border-radius:8px;padding:6px 10px;font:500 13px/1.4 var(--sans);white-space:nowrap;box-shadow:0 4px 16px rgba(0,0,0,.25);z-index:2}
.nojs{position:absolute;inset:auto 20px 20px;font:500 15px/1.4 var(--sans)}
.pickbox{position:absolute;left:clamp(14px,2vw,40px);bottom:22px;width:min(380px,44%);z-index:1;background:var(--hero-bg);border:1px solid var(--hero-line);border-radius:14px;padding:14px 16px;font:400 15px/1.5 var(--sans);color:var(--hero-muted)}
.pick{display:flex;flex-wrap:wrap;align-items:center;gap:6px;margin:0 0 10px}
.pick-l{flex-basis:100%;font-weight:600;color:var(--hero-ink);margin-bottom:2px}
.yr{border:1px solid var(--hero-line);background:transparent;color:var(--hero-ink);border-radius:18px;min-height:36px;padding:0 13px;font:600 14px/1 var(--sans);cursor:pointer}
.yr[aria-pressed="true"]{background:var(--hero-ink);color:var(--hero-bg);border-color:var(--hero-ink)}
.yr:hover{border-color:var(--hero-ink)}
.bigcap{color:var(--hero-ink);font:400 16px/1.5 var(--serif);margin:0;min-height:4.5em}
.bigcap b{font-weight:600}
.bigcap a,.hero-notes a{color:var(--accent)}
.hero-notes{background:var(--hero-bg);color:var(--hero-muted);font:400 15.5px/1.55 var(--sans);border-bottom:1px solid var(--line-soft)}
.hero-notes>*{max-width:1080px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
.hero-notes .latest{margin-top:0;padding-top:18px;margin-bottom:10px;color:var(--hero-ink)}
.hero-notes .latest::before{content:"";display:inline-block;width:9px;height:9px;border-radius:50%;background:var(--s-wave);margin-right:8px;vertical-align:1px}
.waves{margin:0 0 6px}
.kw{display:inline-block;width:14px;height:14px;border-radius:50%;vertical-align:-2px;margin-right:4px}
.kw-p{border:1.3px solid var(--p-wave)}
.kw-s{border:3px solid var(--s-wave);margin-right:8px}
.relief{margin:0 auto 14px;font-size:14px}
.hero-notes .share{padding-bottom:26px}
@media (max-width:999px){
  .hero{grid-template-columns:1fr;min-height:0}
  .hero-text{justify-self:start;max-width:760px;padding:22px 20px 14px}
  .stage-fig{min-height:0}
  .stage{position:relative;inset:auto;height:44svh;min-height:300px;max-height:520px}
  .pickbox{position:static;width:auto;margin:0 14px 16px;border:0;padding:4px 6px 8px;background:none}
  .pick-l{flex-basis:auto;margin-right:4px}
  .bigcap{min-height:0}
}
/* share */
.share{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.sbtn{display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:20px;border:1px solid var(--line);background:var(--panel);color:var(--ink);cursor:pointer;text-decoration:none}
.sbtn:hover{border-color:var(--ink)}
.sbtn.ok{border-color:var(--accent)}
.copied{font:500 14px var(--sans);color:var(--muted)}

/* sections */
.sec{max-width:1080px;margin:0 auto;padding:56px 20px 8px}
.sec h2{font:600 clamp(26px,3.4vw,38px)/1.12 var(--display);margin:0 0 14px;letter-spacing:-.005em;position:relative}
.anchor{font:500 .6em var(--sans);color:var(--muted);text-decoration:none;margin-left:.4em;opacity:0}
h2:hover .anchor,.anchor:focus-visible{opacity:1}
.intro{max-width:68ch;margin:0 0 24px;color:var(--ink)}
.sec h3{font:600 20px/1.3 var(--display);margin:0 0 8px}

.card{display:flex;flex-direction:column;text-decoration:none;color:var(--ink);background:var(--panel);border:1px solid var(--line-soft);border-radius:14px;overflow:hidden;transition:border-color .2s,transform .2s}
.card:hover{border-color:var(--line);transform:translateY(-2px)}
.thumb{display:block;aspect-ratio:16/9;background:var(--panel-2);overflow:hidden}
.thumb img{display:block;width:100%;height:100%;object-fit:cover}
.ct{display:flex;flex-direction:column;gap:6px;padding:14px 16px 18px}
.ct strong{font:600 19px/1.25 var(--display);color:var(--ink)}
.ct span{font:400 15.5px/1.5 var(--sans);color:var(--muted)}
.pair{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.card.lead .ct strong{font-size:23px}
.card.lead .ct span{font-size:16.5px;color:var(--ink)}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
@media (max-width:900px){.grid{grid-template-columns:1fr 1fr}}
@media (max-width:640px){.pair,.grid{grid-template-columns:1fr}}

.qs{display:grid;grid-template-columns:1fr 1fr;gap:18px 22px}
@media (max-width:800px){.qs{grid-template-columns:1fr}}
.q{background:var(--panel);border:1px solid var(--line-soft);border-radius:14px;padding:18px 20px 16px}
.q p{margin:0 0 10px;font-size:17px;line-height:1.55}
.links{display:flex;flex-wrap:wrap;gap:6px 14px;margin:0;font:500 15px/1.4 var(--sans)}
.go{color:var(--accent);text-decoration:none;font-weight:600}
.go:hover{text-decoration:underline}

.callout{background:var(--callout);border:1px solid var(--callout-line);border-radius:16px;padding:22px 24px;max-width:780px}
.callout p{margin:0 0 12px}
.callout .do{font:500 clamp(19px,2vw,22px)/1.5 var(--serif)}
.callout .note{font:400 15.5px/1.55 var(--sans);color:var(--muted)}
.callout .links span{color:var(--muted);font-weight:500}

.tl{list-style:none;margin:0;padding:0;border-left:2px solid var(--line);max-width:820px}
.tl li{display:grid;grid-template-columns:86px 1fr;gap:14px;padding:0 0 22px 18px;position:relative}
.tl li::before{content:"";position:absolute;left:-7px;top:9px;width:12px;height:12px;border-radius:50%;background:var(--s-wave)}
.tl .y{font:600 26px/1.1 var(--display)}
.tl p{margin:0 0 6px}
.tl .d{font:600 14px/1.4 var(--sans);color:var(--muted);text-transform:uppercase;letter-spacing:.04em}
@media (max-width:560px){.tl li{grid-template-columns:1fr;gap:2px}}

.groups{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:10px 34px}
.grp h3{font:600 14px/1.3 var(--sans);text-transform:uppercase;letter-spacing:.06em;color:var(--muted);margin:14px 0 8px}
.grp ul{list-style:none;margin:0;padding:0}
.grp li{padding:8px 0;border-top:1px solid var(--line-soft)}
.grp li a{font:600 17px/1.35 var(--serif);display:block}
.grp li span{display:block;font:400 14.5px/1.45 var(--sans);color:var(--muted);margin-top:2px}

.about{padding-bottom:40px}
.about p{max-width:68ch;font-size:17px}
.src{padding-left:20px;max-width:68ch;font:400 15px/1.5 var(--sans)}
.src li{margin-bottom:6px}
.about .share{margin-top:26px}
.site-footer{max-width:1080px;margin:0 auto;padding:22px 20px 60px;display:flex;flex-wrap:wrap;gap:8px 22px;font:500 14px var(--sans);color:var(--muted);border-top:1px solid var(--line-soft)}
.site-footer a{color:var(--muted)}
@media (max-width:640px){
  body{font-size:17.5px}
  .sec{padding-top:44px}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}