/* Puddle Jumper site. Hand-written, no dependencies.
   Palette: ink #001B2B, off-white #F1F9F9, mist #B0CDE0, pale-sky #CEECF8, mint #4DFFB6, deep teal #0396A6 */

:root{
  color-scheme:light dark;
  --ink:#001B2B;--offwhite:#F1F9F9;--mist:#B0CDE0;--sky:#CEECF8;--mint:#4DFFB6;--teal:#0396A6;
  /* light tokens (default) */
  --bg:var(--offwhite);--fg:var(--ink);--muted:#35566a;--card:#fff;--line:#c4d9e6;
  --link:#027080;            /* deep teal, darkened for AA text on off-white */
  --btn-bg:var(--teal);--btn-fg:var(--ink);--focus:var(--teal);
  --hero-a:var(--sky);--hero-b:var(--offwhite);--shadow:0 10px 30px rgba(0,27,43,.12);
  --glyph:var(--ink);--cloud:var(--mist);--intro-bg:var(--offwhite);
  /* image switching: wrapper display values */
  --dl:block;--dd:none;--ma:block;--ms:none;
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Text","Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
@media (prefers-color-scheme:dark){
  :root:not([data-theme=light]){
    --bg:var(--ink);--fg:var(--offwhite);--muted:var(--mist);--card:#06293c;--line:#16465c;
    --link:var(--mint);--btn-bg:var(--mint);--btn-fg:var(--ink);--focus:var(--mint);
    --hero-a:#04304a;--hero-b:var(--ink);--shadow:0 10px 30px rgba(0,0,0,.45);
    --glyph:var(--mint);--intro-bg:var(--ink);--dl:none;--dd:block;
  }
}
:root[data-theme=dark]{
  color-scheme:dark;
  --bg:var(--ink);--fg:var(--offwhite);--muted:var(--mist);--card:#06293c;--line:#16465c;
  --link:var(--mint);--btn-bg:var(--mint);--btn-fg:var(--ink);--focus:var(--mint);
  --hero-a:#04304a;--hero-b:var(--ink);--shadow:0 10px 30px rgba(0,0,0,.45);
  --glyph:var(--mint);--intro-bg:var(--ink);--dl:none;--dd:block;
}
:root[data-theme=light]{color-scheme:light}
@media (prefers-reduced-motion:reduce){:root{--ma:none;--ms:block}}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.65 var(--font);overflow-x:hidden}
img,svg{max-width:100%;height:auto}
a{color:var(--link);text-underline-offset:3px}
a:hover{text-decoration-thickness:2px}
:focus-visible{outline:3px solid var(--focus);outline-offset:3px;border-radius:4px}
.skip{position:absolute;left:-999px;top:0;background:var(--btn-bg);color:var(--btn-fg);padding:.6rem 1rem;z-index:100;border-radius:0 0 8px 0;font-weight:600}
.skip:focus{left:0}
.wrap{max-width:68rem;margin:0 auto;padding:0 16px}
.fine{font-size:.875rem;color:var(--muted)}
.fine a{color:inherit}

/* themed images */
.th{display:none;line-height:0}
.th-l{display:var(--dl)}.th-d{display:var(--dd)}
.th img{width:100%;height:auto}
.mo-a{display:var(--ma)}.mo-s{display:var(--ms)}

/* header */
header.site{border-bottom:1px solid var(--line)}
.bar{display:flex;align-items:center;justify-content:space-between;gap:8px 16px;flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;letter-spacing:-.01em;color:var(--fg);text-decoration:none}
.brand-icon{width:32px;height:32px}
.brand-icon img{border-radius:22%}
.bar-right{display:flex;align-items:center;gap:6px 18px;flex-wrap:wrap}
nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px 18px}
nav a{display:inline-block;color:var(--fg);text-decoration:none;padding:8px 0;border-bottom:2px solid transparent}
nav a:hover,nav a[aria-current=page]{border-bottom-color:var(--link)}
.js-only{display:none}
.js .js-only{display:inline-flex}
.theme-toggle{align-items:center;gap:8px;font:600 .8125rem/1 var(--font);color:var(--fg);background:transparent;border:1px solid var(--line);border-radius:999px;padding:8px 12px;cursor:pointer;min-height:36px}
.theme-toggle:hover{border-color:var(--link)}
.tt-icon{width:14px;height:14px;border-radius:50%;border:2px solid currentColor;background:linear-gradient(90deg,currentColor 50%,transparent 50%)}
.theme-toggle[data-mode=light] .tt-icon{background:radial-gradient(circle,currentColor 0 35%,transparent 40%)}
.theme-toggle[data-mode=dark] .tt-icon{background:currentColor}

/* hero */
.hero{background:linear-gradient(180deg,var(--hero-a),var(--hero-b));border-bottom:1px solid var(--line)}
.hero-grid{display:grid;gap:32px;padding-top:44px;padding-bottom:52px;align-items:center}
.eyebrow{margin:0 0 .6rem;font-size:.8125rem;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--link)}
h1{font-size:clamp(2.1rem,7vw,3.6rem);line-height:1.05;letter-spacing:-.03em;margin:0 0 .45em}
.lede{font-size:clamp(1.05rem,2.4vw,1.25rem);line-height:1.55;color:var(--muted);max-width:36rem;margin:0 0 1.5rem}
.frame{border-radius:28px;overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow);background:var(--bg);width:100%;max-width:30rem;aspect-ratio:1}
.hero-art{justify-self:center}
.badges{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 1rem}
.btn{display:inline-flex;flex-direction:column;justify-content:center;background:var(--btn-bg);color:var(--btn-fg);padding:.6em 1.25em;border-radius:12px;font-weight:700;text-decoration:none;line-height:1.25;min-height:48px}
.btn small{font-size:.75rem;font-weight:600;opacity:.8}
a.btn:hover{filter:brightness(1.07)}
.btn.soon{background:transparent;color:var(--fg);border:1.5px dashed var(--muted)}

/* sections */
.section{padding:56px max(16px,calc((100% - 68rem)/2)) 8px}
.section.last{padding-bottom:72px}
.section>h2{font-size:clamp(1.5rem,4vw,2.1rem);line-height:1.15;letter-spacing:-.02em;margin:0 0 .35em}
.section>p{max-width:40rem;color:var(--muted)}
h2{font-size:1.45rem;line-height:1.25;letter-spacing:-.01em;margin:2em 0 .5em}
h3{font-size:1.05rem;line-height:1.35;margin:1.4em 0 .3em}
.grid{display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(min(100%,16rem),1fr));margin:1.5rem 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:20px 22px}
.card h3{margin:0 0 .35em}
.card p{margin:0 0 .5em;color:var(--muted)}
.card p:last-child{margin-bottom:0}
.steps{list-style:none;counter-reset:s;display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(min(100%,15rem),1fr));padding:0;margin:1.5rem 0}
.steps li{counter-increment:s;position:relative;padding-top:52px}
.steps li::before{content:counter(s);position:absolute;top:0;left:0;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:var(--btn-bg);color:var(--btn-fg);font-weight:800}
.steps h3{margin:0 0 .3em}
.steps p{margin:0;color:var(--muted)}
.split{display:grid;gap:28px;align-items:center}
.morph{justify-self:center}
.cta{text-align:center;background:var(--card);border:1px solid var(--line);border-radius:24px;padding:36px 20px;margin:0 0 0}
.cta .badges{justify-content:center}

/* prose / legal */
.prose-wrap{max-width:46rem}
.prose{padding:44px 0 64px}
.prose h1{font-size:clamp(1.9rem,6vw,2.6rem)}
.prose .lede{margin-bottom:1.2rem}
.prose p,.prose ul,.prose ol{margin:0 0 1em}
.prose li{margin-bottom:.4em}
.prose h2{margin-top:2.2em}
.meta{color:var(--muted);font-size:.95rem;margin:0 0 1.5rem}
.prose code{font:.9em var(--mono);background:var(--card);border:1px solid var(--line);border-radius:5px;padding:.05em .35em;overflow-wrap:anywhere}
pre.notices{font:12.5px/1.5 var(--mono);white-space:pre-wrap;overflow-wrap:anywhere;background:var(--card);border:1px solid var(--line);border-radius:12px;padding:16px;margin:1.5rem 0 0}
.prose .faq h3{margin-top:1.8em}

/* footer */
footer.site{border-top:1px solid var(--line);color:var(--muted);font-size:.9rem;margin-top:0}
footer.site .wrap{padding-top:28px;padding-bottom:36px}
footer.site p{margin:0 0 .4em}
footer.site a{color:var(--muted)}
footer.site a:hover{color:var(--link)}
.foot-nav{list-style:none;padding:0;margin:0 0 1em;display:flex;flex-wrap:wrap;gap:4px 20px}
.foot-nav a{display:inline-block;padding:6px 0}

/* intro (launch-screen echo) */
.intro{display:none}
.intro-on .intro{display:grid;position:fixed;inset:0;z-index:200;place-items:center;background:var(--intro-bg);pointer-events:none;animation:intro-out .35s ease 1.25s forwards}
.intro svg{width:min(46vw,200px);height:auto;overflow:visible}
.ic{animation:drift 1.3s ease-out both}
.ic1{--dx:-90px}.ic2{--dx:-60px}.ic3{--dx:-130px}
.i-clouds{opacity:.55;animation:fade-out .3s ease .55s forwards}
.i-plane{animation:plane-out .3s ease .6s forwards;transform-origin:256px 256px;transform-box:view-box}
.i-prompt{opacity:0;animation:prompt-in .3s ease .75s forwards;transform-origin:256px 256px;transform-box:view-box}
.i-cursor{animation:blink .5s steps(1) 1s 2}
.intro-on .reveal{animation:reveal .5s ease 1.2s both}
@keyframes drift{from{transform:translateX(0)}to{transform:translateX(var(--dx))}}
@keyframes fade-out{to{opacity:0}}
@keyframes plane-out{to{opacity:0;transform:translateX(30px) scale(.9)}}
@keyframes prompt-in{from{opacity:0;transform:scale(.9)}to{opacity:1;transform:none}}
@keyframes blink{50%{opacity:0}}
@keyframes intro-out{to{opacity:0;visibility:hidden}}
@keyframes reveal{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
@media (prefers-reduced-motion:reduce){.intro,.intro-on .intro{display:none}.intro-on .reveal{animation:none}}

@media (min-width:52rem){
  .hero-grid{grid-template-columns:1.1fr .9fr;gap:48px;padding-top:72px;padding-bottom:80px}
  .hero-art{justify-self:end}
  .split{grid-template-columns:1fr 1fr;gap:56px}
  .split.flip .split-art{order:-1}
  .cta{padding:56px 20px}
}
@media (max-width:30rem){.btn{width:100%}.bar{padding-top:8px;padding-bottom:8px}}
@media print{.intro,.theme-toggle,.skip{display:none!important}}

/* layout refinements */
.morph{max-width:24rem}
@media (min-width:52rem){.features{grid-template-columns:repeat(3,1fr)}.platforms{grid-template-columns:repeat(3,1fr)}}