:root{
  --bg:#fbfbfd;--bg-alt:#f2f3f5;--surface:#ffffff;--text:#1d1d1f;--muted:#6e6e73;--line:#d2d2d7;
  --accent:#0b7f8c;--accent-hover:#086a75;--brand:#2bbbe0;--good:#27a35a;--warn:#c98a12;
  --dark:#000;--dark-surface:#141518;--dark-text:#f5f5f7;--dark-muted:#a1a1a6;
  --radius:28px;--shadow:0 30px 80px -30px rgba(0,30,60,.35);
  --font:-apple-system,BlinkMacSystemFont,"SF Pro Display","SF Pro Text","Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root:not([data-theme="light"]){
  --bg:#000;--bg-alt:#0d0e10;--surface:#16171a;--text:#f5f5f7;--muted:#a1a1a6;--line:#2d2e33;
  --accent:#3fd0c4;--accent-hover:#6fe0d6;--shadow:0 30px 80px -30px rgba(0,0,0,.9);color-scheme:dark;}}
*{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:17px/1.47 var(--font);letter-spacing:-.012em;-webkit-font-smoothing:antialiased;overflow-x:hidden}
img{max-width:100%;display:block}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
.wrap{width:min(1080px,calc(100% - 44px));margin-inline:auto}
.narrow{width:min(780px,calc(100% - 44px));margin-inline:auto}
/* navigation */
.nav{position:sticky;top:0;z-index:50;height:52px;background:color-mix(in srgb,var(--bg) 78%,transparent);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:1px solid color-mix(in srgb,var(--line) 60%,transparent)}
.nav .wrap{height:100%;display:flex;align-items:center;justify-content:space-between;gap:16px}
.logo{display:flex;align-items:center;gap:9px;white-space:nowrap;color:var(--text);font-weight:600;font-size:17px;letter-spacing:-.02em}
.logo:hover{text-decoration:none}.logo img{width:26px;height:26px;border-radius:7px}
.logo b{font-weight:700;color:var(--brand)}
.nav ul{list-style:none;margin:0;padding:0;display:flex;gap:26px;font-size:13px}
.nav ul a{color:var(--text);opacity:.85}.nav ul a:hover{opacity:1;text-decoration:none}
.nav .right{display:flex;align-items:center;gap:14px;font-size:13px}
.lang{color:var(--muted)}.lang a{color:var(--text)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:980px;padding:11px 22px;font-size:17px;font-weight:500;line-height:1;transition:background .2s,transform .2s}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-hover)}
.btn-small{padding:6px 13px;font-size:13px}
.link-more{font-size:19px}.link-more::after{content:" ›"}
@media(max-width:760px){.nav ul{display:none}}
/* hero */
.hero{text-align:center;padding:88px 0 0;overflow:hidden}
.eyebrow{font-size:19px;font-weight:600;color:var(--muted);margin:0 0 10px}
.eyebrow .new{color:var(--warn)}
h1,h2,h3{margin:0;letter-spacing:-.025em}
.hero h1{font-size:clamp(46px,8.2vw,96px);line-height:1.04;font-weight:700}
.grad{background:linear-gradient(100deg,#13a3c4 0%,#2bbbb0 45%,#3cc77f 100%);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero .sub{font-size:clamp(19px,2.4vw,26px);line-height:1.3;color:var(--muted);max-width:760px;margin:22px auto 0;font-weight:400}
.cta-row{display:flex;justify-content:center;align-items:center;gap:26px;flex-wrap:wrap;margin-top:34px}
.hero-stage{position:relative;margin-top:64px;display:flex;justify-content:center;gap:clamp(14px,3vw,40px);align-items:flex-end;padding-bottom:0}
.hero-stage::before{content:"";position:absolute;inset:18% 5% -10%;background:radial-gradient(closest-side,rgba(43,187,224,.35),transparent 70%);filter:blur(30px);z-index:-1}
.hero-stage .phone:nth-child(1),.hero-stage .phone:nth-child(3){transform:translateY(60px) scale(.88);opacity:.96}
@media(max-width:760px){.hero-stage .phone:nth-child(1),.hero-stage .phone:nth-child(3){display:none}}
/* phone frame */
.phone{width:min(330px,74vw);flex:none;border-radius:40px;padding:8px;background:#1d2024;box-shadow:var(--shadow);border:1px solid #2c3036}
.phone img{border-radius:32px;width:100%;height:auto;aspect-ratio:430/932;object-fit:cover;object-position:top;background:#111418}
.phone.sm{width:min(280px,64vw);border-radius:34px;padding:7px}.phone.sm img{border-radius:27px}
/* sections */
.section{padding:clamp(80px,12vw,150px) 0}
.section.alt{background:var(--bg-alt)}
.section.dark{background:var(--dark);color:var(--dark-text)}
.section.dark .muted,.section.dark .lead{color:var(--dark-muted)}
.center{text-align:center}
.kicker{font-size:17px;font-weight:600;color:var(--accent);margin:0 0 12px}
.section.dark .kicker{color:#5fe0c8}
h2.big{font-size:clamp(40px,6.4vw,80px);line-height:1.05;font-weight:700}
h2.mid{font-size:clamp(32px,4.6vw,56px);line-height:1.07;font-weight:700}
.lead{font-size:clamp(19px,2.2vw,24px);line-height:1.4;color:var(--muted);margin:22px auto 0;max-width:780px;font-weight:400}
.lead strong{color:var(--text);font-weight:600}.section.dark .lead strong{color:var(--dark-text)}
.muted{color:var(--muted)}
/* split feature */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:clamp(30px,6vw,90px);align-items:center}
.split.rev{grid-template-columns:.95fr 1.05fr}.split.rev .split-media{order:-1}
.split-media{display:flex;justify-content:center;gap:22px}
.split h2{font-size:clamp(34px,4.6vw,56px);line-height:1.07;font-weight:700}
.split .lead{margin-left:0;font-size:clamp(18px,2vw,21px)}
.points{list-style:none;padding:0;margin:28px 0 0;display:grid;gap:16px}
.points li{display:flex;gap:14px;align-items:flex-start;font-size:17px;color:var(--muted)}
.points li strong{display:block;color:var(--text);font-weight:600}
.section.dark .points li strong{color:var(--dark-text)}
.points svg{flex:none;width:28px;height:28px;fill:var(--accent);margin-top:1px}
.section.dark .points svg{fill:#5fe0c8}
@media(max-width:860px){.split,.split.rev{grid-template-columns:1fr}.split.rev .split-media{order:0}.split-text{text-align:center}.split .lead{margin-left:auto}.points{text-align:left;max-width:460px;margin-inline:auto}}
/* physics stats */
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:64px}
.stat{background:var(--dark-surface);border-radius:var(--radius);padding:38px 30px;text-align:left}
.stat .num{font-size:clamp(44px,6vw,64px);font-weight:700;letter-spacing:-.03em;line-height:1}
.stat .num small{font-size:.38em;font-weight:600;color:var(--dark-muted);letter-spacing:0;margin-left:4px}
.stat .lbl{margin-top:14px;color:var(--dark-muted);font-size:17px}
.stat.accent .num{background:linear-gradient(100deg,#2bbbe0,#35c48a);-webkit-background-clip:text;background-clip:text;color:transparent}
@media(max-width:760px){.stats{grid-template-columns:1fr}}
/* gallery */
.gallery{display:flex;gap:28px;overflow-x:auto;scroll-snap-type:x mandatory;padding:56px max(22px,calc((100vw - 1080px)/2)) 30px;scrollbar-width:none}
.gallery::-webkit-scrollbar{display:none}
.gallery figure{margin:0;scroll-snap-align:center;flex:none;text-align:center}
.gallery figcaption{margin-top:22px;font-size:17px;font-weight:600}
.gallery figcaption span{display:block;font-weight:400;color:var(--muted);font-size:15px;margin-top:4px;max-width:280px;margin-inline:auto}
/* bento */
.bento{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;margin-top:60px}
.tile{grid-column:span 2;background:var(--surface);border-radius:var(--radius);padding:34px 30px;min-height:260px;display:flex;flex-direction:column;box-shadow:0 1px 0 color-mix(in srgb,var(--line) 70%,transparent)}
.tile.wide{grid-column:span 3}.tile.full{grid-column:span 6}
.tile svg{width:40px;height:40px;fill:var(--accent);margin-bottom:auto}
.tile h3{font-size:24px;line-height:1.15;margin-top:34px;font-weight:700}
.tile p{margin:10px 0 0;color:var(--muted);font-size:17px}
.tile .tag{display:inline-block;font-size:12px;font-weight:600;letter-spacing:.02em;color:var(--warn);margin-top:14px}
@media(max-width:960px){.bento{grid-template-columns:repeat(2,1fr)}.tile,.tile.wide{grid-column:span 1}.tile.full{grid-column:span 2}}
@media(max-width:600px){.bento{grid-template-columns:1fr}.tile,.tile.wide,.tile.full{grid-column:span 1;min-height:0}}
/* principle */
.principle{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px}
.principle div{border-top:1px solid #333;padding-top:22px}
.principle h3{font-size:21px}.principle p{margin:8px 0 0;color:var(--dark-muted)}
@media(max-width:760px){.principle{grid-template-columns:1fr}}
/* install */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:56px;counter-reset:step}
.step{background:var(--surface);border-radius:var(--radius);padding:34px 30px;box-shadow:0 1px 0 color-mix(in srgb,var(--line) 70%,transparent)}
.step::before{counter-increment:step;content:counter(step);display:inline-grid;place-items:center;width:38px;height:38px;border-radius:50%;background:var(--accent);color:#fff;font-weight:700;margin-bottom:22px}
.step h3{font-size:21px}.step p{margin:8px 0 0;color:var(--muted)}
code{font:14px/1.4 ui-monospace,SFMono-Regular,Menlo,monospace;background:var(--bg-alt);padding:2px 6px;border-radius:6px;word-break:break-all}
.req{margin-top:34px;color:var(--muted);font-size:15px;text-align:center}
@media(max-width:860px){.steps{grid-template-columns:1fr}}
/* faq */
.faq{margin-top:48px;border-top:1px solid var(--line)}
.faq details{border-bottom:1px solid var(--line);padding:22px 0}
.faq summary{cursor:pointer;list-style:none;font-size:21px;font-weight:600;display:flex;justify-content:space-between;gap:20px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-weight:300;font-size:28px;line-height:.8;color:var(--accent);transition:transform .25s}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq p{color:var(--muted);margin:14px 0 0;max-width:720px}
/* closing + footer */
.closing{text-align:center}
.closing img.mark{width:96px;height:96px;border-radius:22px;margin:0 auto 28px;box-shadow:var(--shadow)}
footer{background:var(--bg-alt);color:var(--muted);font-size:12px;padding:30px 0 40px}
footer .wrap{display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px}
footer nav{display:flex;gap:18px;flex-wrap:wrap}footer a{color:var(--muted)}footer a:hover{color:var(--text)}
/* reveal */
.reveal{opacity:0;transform:translateY(36px);transition:opacity .9s cubic-bezier(.2,.7,.2,1),transform .9s cubic-bezier(.2,.7,.2,1)}
.reveal.in{opacity:1;transform:none}
.reveal.d1{transition-delay:.08s}.reveal.d2{transition-delay:.16s}.reveal.d3{transition-delay:.24s}
@media (prefers-reduced-motion:reduce){.reveal{opacity:1;transform:none;transition:none}html{scroll-behavior:auto}}
.no-js .reveal{opacity:1;transform:none}
/* legal pages */
.legal{padding:70px 0 100px}
.legal h1{font-size:clamp(36px,5vw,56px);font-weight:700;margin-bottom:30px}
.legal h2{font-size:24px;margin:40px 0 10px}.legal h3{font-size:19px;margin:26px 0 8px}
.legal p,.legal li{color:var(--muted)}
.legal .switch{margin-bottom:30px;display:flex;gap:8px}
.legal .switch button{font:inherit;font-size:13px;border:1px solid var(--line);background:var(--surface);color:var(--text);border-radius:980px;padding:6px 14px;cursor:pointer}
.legal .switch button[aria-pressed=true]{background:var(--accent);border-color:var(--accent);color:#fff}
body[data-lang=en] [lang=de],body[data-lang=de] [lang=en]{display:none!important}
.split>*{min-width:0}
@media(max-width:860px){.split-media{gap:14px}.split-media .phone.sm{width:min(250px,calc(50vw - 30px));border-radius:34px;padding:7px}.split-media .phone.sm img{border-radius:28px}}
.legal .note{border-left:3px solid var(--warn);background:var(--bg-alt);padding:12px 16px;border-radius:0 12px 12px 0}
.legal footer,.legal .wrap{width:auto}

/* airflow motif from the logo (decorative) */
.airflow{position:relative;isolation:isolate}
.airflow::after{content:"";position:absolute;inset:0;z-index:-1;pointer-events:none;opacity:.55;background:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 1200 400' preserveAspectRatio='none'%3E%3Cdefs%3E%3ClinearGradient id='g' x1='0' x2='1'%3E%3Cstop offset='0' stop-color='%2313a3c4' stop-opacity='0'/%3E%3Cstop offset='.5' stop-color='%232bbbb0' stop-opacity='.35'/%3E%3Cstop offset='1' stop-color='%233cc77f' stop-opacity='0'/%3E%3C/linearGradient%3E%3C/defs%3E%3Cg fill='none' stroke='url(%23g)' stroke-width='2'%3E%3Cpath d='M0 120 C300 60 500 200 800 130 S1100 60 1200 110'/%3E%3Cpath d='M0 170 C260 120 520 250 820 180 S1080 120 1200 160'/%3E%3Cpath d='M0 220 C320 180 540 300 840 230 S1100 170 1200 210'/%3E%3C/g%3E%3C/svg%3E") center 30%/100% 60% no-repeat}
.closing.airflow::after{background-position:center 60%}
/* freshy */
.iq-card{width:min(430px,88vw);height:auto;border-radius:26px;box-shadow:var(--shadow);background:#111418}
.moods{display:grid;grid-template-columns:repeat(9,1fr);gap:10px;margin-top:80px}
.mood{margin:0;text-align:center}
.mood img{width:100%;max-width:120px;height:auto;margin:0 auto;transition:transform .4s}
.mood:hover img{transform:translateY(-6px) scale(1.04)}
.mood figcaption{font-size:13px;color:var(--muted);margin-top:8px;font-weight:500}
@media(max-width:960px){.moods{grid-template-columns:repeat(5,1fr);row-gap:26px}}
@media(max-width:560px){.moods{grid-template-columns:repeat(3,1fr)}}
/* learning: the heart */
.heart{background:radial-gradient(1200px 500px at 50% 0%,rgba(43,187,176,.18),transparent 70%),var(--dark)}
.loop{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:64px;text-align:left;position:relative}
.loop::before{content:"";position:absolute;left:6%;right:6%;top:38px;height:2px;background:linear-gradient(90deg,transparent,#2bbbb0 15%,#3cc77f 85%,transparent);opacity:.6}
.loop-step{position:relative;background:var(--dark-surface);border-radius:var(--radius);padding:28px 26px}
.loop-ico{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,#13a3c4,#3cc77f);margin-bottom:20px}
.loop-ico svg{width:28px;height:28px;fill:#fff}
.loop-step h3{font-size:21px}.loop-step h3 span{color:#5fe0c8;margin-right:8px}
.loop-step p{margin:8px 0 0;color:var(--dark-muted);font-size:16px}
@media(max-width:860px){.loop{grid-template-columns:1fr 1fr}.loop::before{display:none}}
@media(max-width:520px){.loop{grid-template-columns:1fr}}
.heart-split{margin-top:110px}
.areas{display:grid;grid-template-columns:1fr 1fr;gap:26px 30px;margin-top:34px}
.area svg{width:30px;height:30px;fill:#5fe0c8}
.area h3{font-size:19px;margin-top:10px}.area p{margin:6px 0 0;color:var(--dark-muted);font-size:16px}
@media(max-width:560px){.areas{grid-template-columns:1fr}}
.honest{margin-top:90px;padding:34px 30px;border:1px solid #2a2d33;border-radius:var(--radius)}
.honest h3{font-size:24px}.honest p{color:var(--dark-muted);margin:10px 0 0}
/* automation */
.auto-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:60px}
.auto-card{background:var(--bg-alt);border-radius:var(--radius);padding:36px 32px}
.auto-ico{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:var(--accent);margin-bottom:24px}
.auto-ico svg{width:30px;height:30px;fill:#fff}
.auto-card h3{font-size:24px}.auto-card p{margin:10px 0 0;color:var(--muted)}
@media(max-width:760px){.auto-grid{grid-template-columns:1fr}}
.note{margin-top:34px;color:var(--muted);font-size:15px}
/* blueprints */
.bp-steps{list-style:none;padding:0;margin:44px auto 0;display:flex;justify-content:center;gap:14px;flex-wrap:wrap;max-width:980px}
.bp-steps li{display:flex;align-items:center;gap:12px;background:var(--surface);border-radius:980px;padding:10px 20px 10px 10px;font-size:15px;text-align:left}
.bp-steps li span{flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--accent);color:#fff;font-weight:700;font-size:14px}
.bp-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:50px}
.bp{background:var(--surface);border-radius:var(--radius);padding:30px 26px}
.bp svg{width:34px;height:34px;fill:var(--accent)}
.bp h3{font-size:20px;margin-top:18px}.bp p{margin:8px 0 0;color:var(--muted);font-size:16px}
@media(max-width:960px){.bp-grid{grid-template-columns:1fr 1fr}}
@media(max-width:560px){.bp-grid{grid-template-columns:1fr}}
/* node-red */
.nr-media{flex-direction:column;align-items:stretch;gap:22px;max-width:480px;margin-inline:auto;width:100%}
.nr-flow{display:flex;align-items:center;background:var(--dark-surface);border-radius:22px;padding:26px 18px}
.node{flex:1;min-width:0;border-radius:10px;padding:10px 10px 9px;background:#2a2d33;border-left:6px solid #3cc77f;font-size:12px;line-height:1.3}
.node.n0{border-left-color:#13a3c4}.node.n1{border-left-color:#c9a227}.node.n2{border-left-color:#3cc77f}
.node b{display:block;color:#f5f5f7;font-size:13px}.node span{color:var(--dark-muted);word-break:break-word}
.wire{flex:0 0 18px;height:2px;background:#6e6e73;position:relative}
.code{margin:0;background:#0d0f12;border:1px solid #2a2d33;border-radius:22px;overflow:hidden}
.code figcaption{font:12px ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--dark-muted);padding:12px 18px;border-bottom:1px solid #2a2d33}
.code pre{margin:0;padding:18px;font:13px/1.55 ui-monospace,SFMono-Regular,Menlo,monospace;color:#cfe9e4;overflow-x:auto}
.section.dark code{background:#1f2227;color:#e6e6e6}
.closing img.mark{width:150px;height:auto;border-radius:0;box-shadow:none;margin:0 auto 18px}
.node{font-size:11px}.node span{overflow-wrap:anywhere;word-break:normal}
.nr-media{max-width:540px}
@media(min-width:961px){.moods{grid-template-columns:repeat(9,minmax(0,1fr));gap:4px}.mood img{max-width:132px}}