html{-webkit-text-size-adjust:100%}
body{margin:0}
img{max-width:100%}
[hidden]{display:none!important}
/* Layout: phone-first single column, left-aligned, 20px gutter, 1080px max.
   A dark "night at home" hero carries the live app demo; the sections after it stay calm and light;
   a dark contact band closes the page. One WhatsApp action is reachable from every screen. */
:root{
  --bg:#F1F5F6; --surface:#FFFFFF; --ink:#0A2733; --muted:#4A626D; --line:#D3DEE2;
  --water:#0B7FA8; --water-soft:#DCEEF4; --alert:#C93636; --ok:#0E8549; --sun:#F0B341;
  --cta:#0E8549; --cta-fg:#FFFFFF;
  --hero-bg:#082430; --hero-fg:#F1F6F8; --hero-muted:#A9C0C9; --hero-line:#21495A; --hero-water:#62C6E8; --hero-chip:#0F3442;
  --ph-bg:#FFFFFF; --ph-fg:#0A2733; --ph-muted:#587480; --ph-line:#DDE6EA; --ph-soft:#F1F5F6;
  --ph-water:#0B7FA8; --ph-water-soft:#DCEEF4; --ph-alert:#C93636; --ph-alert-soft:#FBE6E4; --ph-ok:#0E8549; --ph-ok-soft:#DDF1E6;
  --display:"Bricolage Grotesque","Avenir Next","Segoe UI",system-ui,sans-serif;
  --body:"Instrument Sans",-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:"DM Mono",ui-monospace,"SF Mono",Menlo,monospace;
}
@media (prefers-color-scheme: dark){
  :root:not([data-theme="light"]){
    --bg:#061920; --surface:#0C2731; --ink:#E9F1F4; --muted:#9BB3BC; --line:#1F3F4C;
    --water:#56BDE0; --water-soft:#103947; --alert:#FF7B72; --ok:#3FCB85; --sun:#E3A93A;
    --hero-bg:#0B2B38; color-scheme:dark;
  }
}
:root[data-theme="dark"]{
  --bg:#061920; --surface:#0C2731; --ink:#E9F1F4; --muted:#9BB3BC; --line:#1F3F4C;
  --water:#56BDE0; --water-soft:#103947; --alert:#FF7B72; --ok:#3FCB85; --sun:#E3A93A;
  --hero-bg:#0B2B38; color-scheme:dark;
}

*,*::before,*::after{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--body);font-size:17px;line-height:1.55;-webkit-text-size-adjust:100%;-webkit-tap-highlight-color:transparent}
h1,h2,h3,p,ol,ul,dl,dd,figure{margin:0}
ol,ul{padding:0;list-style:none}
a{color:inherit}
button{font:inherit;color:inherit;touch-action:manipulation}
svg{display:block}
:focus-visible{outline:3px solid var(--hero-water);outline-offset:3px;border-radius:6px}
.wrap{max-width:1080px;margin-inline:auto;padding-inline:20px}

/* ---------- type ---------- */
.eyebrow{font-family:var(--mono);font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--water)}
h1,h2{font-family:var(--display);font-weight:700;letter-spacing:-.02em;text-wrap:balance}
h1{font-size:clamp(2.3rem,9.6vw,4.1rem);line-height:1.02}
h2{font-size:clamp(1.8rem,7.2vw,2.9rem);line-height:1.06}
h3{font-family:var(--display);font-weight:600;font-size:1.25rem;line-height:1.2;letter-spacing:-.01em}
h1 .eyebrow{display:block;font-weight:400;line-height:1.55;margin-bottom:16px}
.h1-main{display:block}
.lede{color:var(--muted);max-width:34em}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;min-height:56px;padding:0 24px;border-radius:14px;border:0;font-weight:600;font-size:17px;text-decoration:none;cursor:pointer}
.btn svg{width:22px;height:22px;flex:none}
.btn-wa{background:var(--cta);color:var(--cta-fg)}
.btn-ghost{background:transparent;color:var(--hero-fg);border:1.5px solid var(--hero-line)}

/* ---------- header ---------- */
.top{position:sticky;top:env(safe-area-inset-top,0px);z-index:20;background:var(--hero-bg);color:var(--hero-fg);border-bottom:1px solid var(--hero-line)}
.top .wrap{display:flex;align-items:center;justify-content:space-between;gap:12px;height:58px}
.brand{display:flex;align-items:center;gap:9px;text-decoration:none;font-family:var(--display);font-weight:700;font-size:1.2rem;letter-spacing:.01em}
.brand svg{width:22px;height:26px;color:var(--hero-water)}
.brand small{font-family:var(--body);font-weight:500;font-size:.95rem;color:var(--hero-muted);letter-spacing:0}
.top-right{display:flex;align-items:center;gap:18px}
.nav{display:none;gap:22px;font-size:15px}
.nav a{text-decoration:none;color:var(--hero-muted)}
.nav a{transition:color .2s}
.nav a:hover{color:var(--hero-fg)}
.nav .nav-x{display:none}
.lang{display:flex;background:var(--hero-chip);border-radius:999px;padding:3px}
.lang button,.lang a{display:inline-flex;align-items:center;justify-content:center;text-decoration:none;min-width:42px;height:36px;border:0;border-radius:999px;background:transparent;color:var(--hero-muted);font-family:var(--mono);font-size:13px;letter-spacing:.04em;cursor:pointer}
.lang{position:relative;--i:0;--lw:42px}
.lang::before{content:"";position:absolute;top:3px;left:3px;width:var(--lw);height:calc(100% - 6px);border-radius:999px;background:var(--hero-fg);transform:translateX(calc(var(--i) * var(--lw)));transition:transform .45s var(--glide)}
.lang button,.lang a{position:relative;width:var(--lw);min-width:0;padding:0}
.lang button[aria-pressed="true"],.lang a[aria-current="true"]{color:var(--hero-bg)}
.about-btn{display:inline-flex;align-items:center;height:38px;padding:0 13px;border-radius:999px;border:1.5px solid var(--hero-line);color:var(--hero-fg);text-decoration:none;font-size:14.5px;font-weight:500;white-space:nowrap}
.about-btn[aria-current="page"]{background:var(--hero-fg);border-color:var(--hero-fg);color:var(--hero-bg)}
.lang-sel{display:none;-webkit-appearance:none;appearance:none;height:38px;padding:0 26px 0 12px;border-radius:999px;border:1.5px solid var(--hero-line);background:var(--hero-chip) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' fill='none' stroke='%23A9C0C9' stroke-width='1.600' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E") no-repeat right 10px center/9px;color:var(--hero-fg);font-family:var(--body);font-weight:500;font-size:16px}
.top .btn{display:none;min-height:42px;font-size:15px;padding:0 16px;border-radius:11px}

/* ---------- hero ---------- */
.hero{position:relative;isolation:isolate;background:var(--hero-bg);color:var(--hero-fg);padding-block:0 44px;overflow:hidden}
/* light on water: a faint net of light lies behind the header and drifts very slowly */
.hero::before,.demo-sec::before,#kontakt::before{content:"";position:absolute;inset:-6%;z-index:-1;background:url(/img/water.webp) center/cover no-repeat;opacity:.2;animation:drift 36s ease-in-out infinite alternate;pointer-events:none}
.hero::before{-webkit-mask-image:linear-gradient(to bottom,#000 0,#000 55%,transparent 96%);mask-image:linear-gradient(to bottom,#000 0,#000 55%,transparent 96%)}
/* the same light continues on the other dark bands of the start page, each showing a different part of it */
.demo-sec,#kontakt{position:relative;isolation:isolate;overflow:hidden}
.demo-sec::before{background-position:18% 78%;animation-delay:-12s;-webkit-mask-image:linear-gradient(to bottom,transparent 3%,#000 22%,#000 70%,transparent 97%);mask-image:linear-gradient(to bottom,transparent 3%,#000 22%,#000 70%,transparent 97%)}
#kontakt::before{background-position:82% 24%;animation-delay:-24s;-webkit-mask-image:linear-gradient(to bottom,transparent 3%,#000 24%,#000 100%);mask-image:linear-gradient(to bottom,transparent 3%,#000 24%,#000 100%)}
@keyframes drift{from{transform:translate3d(-1.500%,-1%,0) scale(1.02)}to{transform:translate3d(1.500%,1%,0) scale(1.07)}}
.hero-in{max-width:1080px;margin-inline:auto;display:grid;gap:22px}
.hero-photo{position:relative;min-width:0}
.hero-photo img{display:block;width:100%;height:auto;aspect-ratio:3/2;object-fit:cover;object-position:50% 20%}
.hero-photo::after{content:"";position:absolute;left:0;right:0;bottom:-1px;height:24%;background:linear-gradient(to bottom,transparent,var(--hero-bg));pointer-events:none}
.hero-copy{display:flex;flex-direction:column;gap:18px;min-width:0;padding-inline:20px}
.demo-sec{background:var(--hero-bg);color:var(--hero-fg);border-top:1px solid var(--hero-line)}
.demo-sec .eyebrow{color:var(--hero-water)}
.demo-sec .lede{color:var(--hero-muted)}
.hero .eyebrow{color:var(--hero-water)}
.hero-sub{color:var(--hero-muted);font-size:1.08rem;max-width:30em}
.hero-cta{display:flex;flex-direction:column;gap:10px;margin-top:6px}
.hero-note{font-size:14px;color:var(--hero-muted)}
.areas{font-family:var(--mono);font-size:12px;letter-spacing:.03em;color:var(--hero-muted);border-top:1px solid var(--hero-line);padding-top:14px;margin-top:4px;line-height:1.7}

.demo{display:flex;flex-direction:column;align-items:center;gap:14px;min-width:0}
.demo-label{display:flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--hero-muted)}
.live{width:8px;height:8px;border-radius:50%;background:var(--hero-water);animation:pulse 1.8s ease-in-out infinite}
@keyframes pulse{50%{opacity:.25}}
.demo-hint{font-size:14px;color:var(--hero-muted);text-align:center;max-width:22em}

.phone{width:min(100%,340px);background:var(--ph-bg);color:var(--ph-fg);border:7px solid var(--hero-chip);outline:1px solid var(--hero-line);border-radius:40px;padding:22px 18px 18px;display:flex;flex-direction:column;gap:12px;box-shadow:0 30px 60px -30px rgba(0,0,0,.7)}
.ph-top{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}
.ph-home{display:flex;align-items:center;gap:6px;font-weight:600;font-size:15px}
.ph-home svg{width:17px;height:17px}
.ph-status{display:inline-flex;align-items:center;gap:7px;padding:5px 11px;border-radius:999px;font-size:13px;font-weight:600;background:var(--ph-soft);color:var(--ph-fg)}
.ph-status i{width:8px;height:8px;border-radius:50%;background:var(--ph-fg)}
.phone[data-state="open"] .ph-status{background:var(--ph-ok-soft);color:var(--ph-ok)}
.phone[data-state="open"] .ph-status i{background:var(--ph-ok)}
.phone[data-state="leak"] .ph-status{background:var(--ph-alert-soft);color:var(--ph-alert)}
.phone[data-state="leak"] .ph-status i{background:var(--ph-alert);animation:pulse .8s ease-in-out infinite}
.ph-read{display:flex;align-items:baseline;gap:8px;margin-top:4px}
.ph-num{font-family:var(--display);font-weight:700;font-size:3.2rem;line-height:1;letter-spacing:-.02em;font-variant-numeric:tabular-nums}
.phone[data-state="leak"] .ph-num{color:var(--ph-alert)}
.ph-unit{font-family:var(--mono);font-size:14px;color:var(--ph-muted)}
.ph-cap{font-size:13px;color:var(--ph-muted);margin-top:-8px}
.ph-chart{width:100%;height:auto;overflow:visible}
.ph-chart .ax{stroke:var(--ph-line);stroke-width:1}
.c-area{fill:var(--ph-water-soft);stroke:none}
.c-line{fill:none;stroke:var(--ph-water);stroke-width:2;stroke-linejoin:round;stroke-linecap:round}
.c-leak{fill:none;stroke:var(--ph-alert);stroke-width:2.6;stroke-linejoin:round;stroke-linecap:round}
.c-mark{stroke:var(--ph-fg);stroke-width:1.2;stroke-dasharray:3 3}
.c-mark-t{fill:var(--ph-fg);font-family:var(--mono);font-size:9.5px}
.ph-meta{display:grid;grid-template-columns:1fr 1fr;gap:8px}
.ph-meta div{background:var(--ph-soft);border-radius:12px;padding:9px 12px;min-width:0}
.ph-meta dt{font-size:12px;color:var(--ph-muted)}
.ph-meta dd{font-weight:600;font-size:15px;font-variant-numeric:tabular-nums}
.ph-notif{border-radius:14px;padding:11px 13px;background:var(--ph-alert-soft);color:var(--ph-fg);font-size:14px;line-height:1.4;min-height:66px}
.phone[data-state="open"] .ph-notif{background:var(--ph-ok-soft)}
.ph-notif-h{display:flex;justify-content:space-between;gap:8px;align-items:baseline}
.ph-notif-h b{font-weight:600}
.ph-notif-h span{font-family:var(--mono);font-size:12px;color:var(--ph-muted)}
.ph-btn{min-height:52px;border-radius:14px;border:1.5px solid var(--ph-water);background:var(--ph-water);color:#FFFFFF;font-weight:600;font-size:16px;cursor:pointer;padding:0 14px}
.phone[data-state="open"] .ph-btn{background:transparent;color:var(--ph-water)}
.ph-btn:disabled{background:var(--ph-soft);border-color:var(--ph-line);color:var(--ph-muted);cursor:default}
.ph-btn:focus-visible{outline-color:var(--ph-fg)}

/* ---------- sections ---------- */
section[id]{scroll-margin-top:calc(58px + env(safe-area-inset-top,0px))}
.sec{padding-block:60px}
.sec-alt{background:var(--surface);border-block:1px solid var(--line)}
.head{display:flex;flex-direction:column;gap:12px;margin-bottom:30px;min-width:0}
.head-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.badge{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);border:1px dashed var(--muted);border-radius:999px;padding:2px 9px}
.split{display:grid;gap:8px}

/* how: the line between steps is the water pipe. It runs dry after the valve closes. */
.pipe{display:flex;flex-direction:column}
.pipe li{position:relative;padding:0 0 30px 58px;min-width:0}
.pipe li:last-child{padding-bottom:0}
.pipe li::before{content:"";position:absolute;left:18px;top:42px;bottom:2px;width:4px;border-radius:2px;background:var(--water)}
.pipe li.dry::before{background:repeating-linear-gradient(to bottom,var(--line) 0 6px,transparent 6px 12px)}
.pipe li:last-child::before{display:none}
.node{position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-family:var(--mono);font-size:15px;font-weight:500;border:2px solid var(--water);color:var(--water);background:var(--bg)}
.node.n-alert{border-color:var(--alert);color:var(--alert)}
.node.n-shut{border-color:var(--ink);background:var(--ink);color:var(--bg)}
.node.n-quiet{border-color:var(--muted);color:var(--muted)}
.node.n-ok{border-color:var(--ok);background:var(--ok);color:var(--bg)}
.pipe h3{padding-top:7px;margin-bottom:6px;display:flex;align-items:center;gap:9px}
.step-ic{width:20px;height:20px;flex:none;color:var(--water)}
.step-ic.ok{color:var(--ok)}
/* a small lamp next to the step: red when the valve closes, green when the water is back on */
.glow{position:relative;width:10px;height:10px;flex:none;border-radius:50%;margin-left:3px}
.glow.red{background:var(--alert);box-shadow:0 0 0 4px color-mix(in srgb,var(--alert) 20%,transparent),0 0 12px 1px var(--alert)}
.glow.green{background:var(--ok);box-shadow:0 0 0 4px color-mix(in srgb,var(--ok) 20%,transparent),0 0 12px 1px var(--ok)}
.glow::after{content:"";position:absolute;inset:-4px;border-radius:50%;border:1.500px solid currentColor;opacity:0;animation:lamp 2.600s ease-out infinite}
.glow.red{color:var(--alert)}
.glow.green{color:var(--ok)}
@keyframes lamp{0%{transform:scale(.6);opacity:.7}70%,100%{transform:scale(1.9);opacity:0}}
.pipe p{color:var(--muted);max-width:32em}

/* service: told in three pictures and a short chat, like a picture book */
.tale{display:grid;gap:18px;min-width:0}
.panel{display:flex;flex-direction:column;gap:3px;min-width:0}
.pic{border-radius:18px;background:var(--water-soft);overflow:hidden;margin-bottom:9px}
.il{display:block;width:100%;height:auto}
.il .s{fill:var(--surface)} .il .w{fill:var(--water)} .il .f{fill:var(--water-soft)} .il .k{fill:var(--ink)} .il .g{fill:var(--ok)} .il .r{fill:var(--alert)} .il .y{fill:var(--sun)}
.il .o{stroke:var(--ink);stroke-width:3;stroke-linecap:round;stroke-linejoin:round}
.il .n{fill:none} .il .lw{stroke:var(--water)} .il .lr{stroke:var(--alert)} .il .cs{stroke:var(--surface)}
.panel b{font-family:var(--display);font-weight:600;font-size:1.25rem;line-height:1.2}
.panel span{color:var(--muted);font-size:15.500px;line-height:1.4}
.chat{margin-top:24px;max-width:440px;padding:14px;border:1px solid var(--line);border-radius:22px;background:var(--bg);display:flex;flex-direction:column;gap:8px}
.chat-h{display:flex;align-items:center;gap:10px;padding:2px 2px 11px;margin-bottom:4px;border-bottom:1px solid var(--line)}
.chat-av{width:38px;height:38px;flex:none;border-radius:50%;display:grid;place-items:center;background:var(--water);color:var(--surface)}
.chat-av svg{width:19px;height:22px}
.chat-h b{display:block;font-weight:600;line-height:1.25}
.chat-h small{display:block;font-size:13px;color:var(--muted)}
.chat-h .badge{margin-left:auto}
.msg-t,.msg-c{max-width:84%;padding:9px 13px;border-radius:16px;font-size:15px;line-height:1.4}
.msg-t{align-self:flex-start;background:var(--water-soft);border-bottom-left-radius:5px}
.msg-c{align-self:flex-end;background:var(--ink);color:var(--surface);border-bottom-right-radius:5px}
.msg-t svg{display:inline;width:16px;height:16px;vertical-align:-3px;margin-left:5px;color:var(--ok)}

/* installations */
.gal{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
.shot{position:relative;aspect-ratio:4/5;max-width:100%;border-radius:16px;overflow:hidden;background:var(--surface);border:1px solid var(--line)}
.shot img{width:100%;height:100%;object-fit:cover;display:block}
.shot.big{grid-column:span 2}
.shot.empty{border:1.5px dashed var(--muted);background:var(--water-soft);display:grid;place-items:center}
.shot-ph{display:flex;flex-direction:column;align-items:center;gap:8px;color:var(--muted);font-size:13.5px;text-align:center;padding:0 10px 26px}
.shot-ph svg{width:30px;height:30px}
.shot figcaption{position:absolute;left:8px;bottom:8px;right:8px;display:flex}
.shot figcaption span{display:inline-flex;align-items:center;gap:5px;max-width:100%;background:var(--hero-bg);color:var(--hero-fg);font-size:13px;font-weight:500;padding:5px 10px;border-radius:999px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.shot figcaption svg{width:11px;height:13px;flex:none;color:var(--hero-water)}

/* about page */
.about-top{background:var(--hero-bg);color:var(--hero-fg);padding-block:14px 44px}
.about-top-in{display:grid;gap:24px}
.about-copy{display:flex;flex-direction:column;gap:14px;min-width:0}
.about-top .eyebrow{color:var(--hero-water)}
.people-wrap{min-width:0}
.people{display:flex;gap:12px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;margin-inline:-20px;padding:4px 20px 10px;scroll-padding-inline:20px;scrollbar-width:none}
.people::-webkit-scrollbar{display:none}
.person{flex:0 0 78%;max-width:320px;min-width:0;scroll-snap-align:start}
.people-hint{font-size:14px;color:var(--hero-muted);margin-top:8px}
/* portrait card: front is the photo, back is the short profile; the card turns on hover or tap */
.flip{display:block;width:100%;aspect-ratio:4/5;padding:0;border:0;background:none;color:inherit;font:inherit;text-align:left;cursor:pointer;perspective:1100px;border-radius:18px}
.flip-in{position:relative;display:block;width:100%;height:100%;transform-style:preserve-3d;transition:transform .75s var(--glide)}
.flip[aria-pressed="true"] .flip-in{transform:rotateY(180deg)}
.face{position:absolute;inset:0;display:block;border-radius:18px;overflow:hidden;-webkit-backface-visibility:hidden;backface-visibility:hidden}
.front img{display:block;width:100%;height:100%;object-fit:cover}
.front::after{content:"";position:absolute;left:0;right:0;bottom:0;height:34%;background:linear-gradient(to top,rgba(4,22,30,.6),rgba(4,22,30,0))}
.who{position:absolute;left:14px;right:14px;bottom:12px;z-index:1;display:flex;flex-direction:column;gap:2px;color:#FFFFFF}
.who b{font-family:var(--display);font-weight:600;font-size:.95rem;line-height:1.15;opacity:.82}
.who span{font-size:12px;line-height:1.3;opacity:.62}
.face.rear{transform:rotateY(180deg);background:var(--hero-chip);border:1px solid var(--hero-line);padding:18px 16px;display:flex;flex-direction:column;gap:3px;overflow-y:auto}
.face.rear b{font-family:var(--display);font-weight:600;font-size:1rem;line-height:1.2;color:var(--hero-fg);opacity:.9}
.face.rear .role{font-family:var(--mono);font-size:10.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--hero-water)}
.face.rear .bio{margin-top:9px;font-size:13px;line-height:1.5;color:var(--hero-fg);opacity:.7}
@media (hover:hover) and (pointer:fine){
  .flip:hover .flip-in{transform:rotateY(180deg)}
}
.back{display:inline-flex;align-items:center;gap:8px;min-height:44px;align-self:flex-start;color:var(--hero-muted);text-decoration:none;font-size:15px}
.back:hover{color:var(--hero-fg)}
.back svg{width:18px;height:18px}
.about-cta .wrap{display:flex;flex-direction:column;align-items:flex-start;gap:18px}
.about-cta .foot{align-self:stretch;margin-top:26px}
.years{display:flex;align-items:flex-end;gap:14px}
.years-n{font-family:var(--display);font-weight:700;font-size:clamp(5.5rem,30vw,9.5rem);line-height:.8;letter-spacing:-.04em;color:var(--water)}
.years-l{font-family:var(--mono);font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);max-width:9em;line-height:1.5;padding-bottom:4px}
.story{display:flex;flex-direction:column;gap:16px;max-width:34em;min-width:0}
.story p{color:var(--muted)}
.story p.first{color:var(--ink);font-size:1.15rem;line-height:1.5}
.sign{margin-top:10px;padding-top:18px;border-top:1px solid var(--line);display:flex;flex-direction:column;gap:2px}
.sign b{font-family:var(--display);font-weight:600;font-size:1.2rem;color:var(--ink)}
.sign span{font-family:var(--mono);font-size:12.5px;letter-spacing:.09em;text-transform:uppercase;color:var(--muted)}

/* shop */
.shop-top{background:var(--hero-bg);color:var(--hero-fg);padding-block:14px 40px}
.shop-top .wrap{display:flex;flex-direction:column;gap:14px}
.shop-top .eyebrow{color:var(--hero-water)}
.shop-sub{color:var(--hero-muted);font-size:1.05rem;max-width:34em}
.shop-terms{font-size:14px;color:var(--hero-muted)}
/* page "Willi Heinemann" */
.willi-copy{display:flex;flex-direction:column;gap:14px;min-width:0}
.willi-copy .btn-wa{margin-top:6px}
.willi-pic{width:min(250px,64%);margin-top:12px;border-radius:22px;overflow:hidden;background:var(--hero-line)}
.willi-pic img{display:block;width:100%;height:auto}
.foot-links{display:flex;flex-wrap:wrap;gap:6px 18px}
[hidden]{display:none!important}
/* page "Wasserstopp Mallorca" */
.radio-top .btn-wa{margin-top:6px}
.radio-pic{width:112px;border-radius:18px;overflow:hidden;background:var(--water-soft)}
.radio-pic img{display:block;width:100%;height:auto}
.story .link{margin-top:2px;align-self:flex-start}
.faq p a,.faq-more a{color:var(--water);font-weight:600;text-decoration:none}
.faq p a:hover,.faq-more a:hover{text-decoration:underline}
.foot a{color:inherit;text-decoration:none}
.foot a:hover{color:var(--hero-fg);text-decoration:underline}
.prods{display:grid;gap:16px}
.prod{background:var(--surface);border:1px solid var(--line);border-radius:20px;padding:18px;display:flex;flex-direction:column;gap:14px;min-width:0}
.prod-pic{margin:-18px -18px 0;border-radius:19px 19px 0 0;overflow:hidden;aspect-ratio:4/3;background:var(--water-soft)}
.prod-pic img{display:block;width:100%;height:100%;object-fit:cover}
.prod h3 small{display:block;font-family:var(--mono);font-size:11.5px;font-weight:400;letter-spacing:.09em;text-transform:uppercase;color:var(--muted);margin-bottom:3px}
.prod-d{color:var(--muted);font-size:15px;line-height:1.4;margin-top:4px}
.opts2{display:flex;flex-direction:column;gap:8px;border:0;padding:0;margin:0;min-width:0}
.opts2 legend{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}
.opt{display:block;cursor:pointer}
.opt input{position:absolute;opacity:0;pointer-events:none}
.opt-b{display:grid;grid-template-columns:20px minmax(0,1fr) auto;column-gap:10px;row-gap:3px;align-items:center;padding:13px 14px;border:1.5px solid var(--line);border-radius:14px;transition:transform .4s var(--spring),border-color .2s var(--ease),background-color .2s var(--ease)}
.opt:active .opt-b{transform:scale(.985);transition-duration:.09s}
.opt-r{width:20px;height:20px;border-radius:50%;border:2px solid var(--muted);transition:border-color .2s var(--ease),border-width .2s var(--ease)}
.opt-n{font-weight:600}
.opt-p{font-family:var(--display);font-weight:700;font-size:1.3rem;line-height:1.1;white-space:nowrap;font-variant-numeric:tabular-nums}
.opt-s{grid-column:2 / -1;font-size:13.5px;line-height:1.45;color:var(--muted)}
.opt input:checked + .opt-b{border-color:var(--water);background:var(--water-soft)}
.opt input:checked + .opt-b .opt-r{border:6px solid var(--water)}
.opt input:focus-visible + .opt-b{outline:3px solid var(--water);outline-offset:2px}
.opt.single .opt-b{cursor:default}
.prod .btn{width:100%;margin-top:auto}
.shop-note{margin-top:20px;padding:16px 18px;border-radius:16px;background:var(--water-soft);display:flex;flex-direction:column;gap:4px;max-width:44em}
.shop-note b{font-weight:600}
.shop-note p{font-size:15px;line-height:1.5;color:var(--muted)}
.legal{font-size:13.500px;color:var(--hero-muted);max-width:34em}

/* device */
.feats{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.feat{display:grid;grid-template-columns:44px 1fr;gap:14px;padding:20px 0;border-bottom:1px solid var(--line)}
.feat svg{width:34px;height:34px;color:var(--water);margin-top:2px}
.feat div{min-width:0}
.feat p{color:var(--muted);margin-top:4px;max-width:32em}
.chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:22px}
.chips li{font-size:14px;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:6px 13px}
.link{display:inline-flex;align-items:center;gap:8px;margin-top:22px;font-weight:600;color:var(--water);text-decoration:none;min-height:44px}
.link:hover{text-decoration:underline}
.link svg{width:18px;height:18px}

/* plans */
.plans{display:flex;flex-direction:column;border-top:1px solid var(--line)}
.plan{padding:22px 0;border-bottom:1px solid var(--line);display:flex;flex-direction:column;gap:6px;min-width:0}
.plan-h{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tag{font-family:var(--mono);font-size:11.5px;letter-spacing:.06em;text-transform:uppercase;background:var(--ink);color:var(--surface);border-radius:999px;padding:3px 10px}
.plan p{color:var(--muted);max-width:34em}
.plan .link{margin-top:2px}

/* faq */
.faq{border-top:1px solid var(--line)}
.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:14px;padding:18px 0;font-weight:600;font-size:1.05rem;min-height:56px}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";font-family:var(--mono);font-size:22px;color:var(--water);flex:none;line-height:1;transition:transform .4s var(--spring)}
.faq details[open] summary::after{transform:rotate(45deg)}
.faq details[open] p{animation:reveal .35s var(--ease)}
@keyframes reveal{from{opacity:0;transform:translateY(-6px)}}
.faq p{color:var(--muted);padding-bottom:20px;max-width:34em}

/* contact */
.contact{background:var(--hero-bg);color:var(--hero-fg);padding-block:60px 34px}
.contact .eyebrow{color:var(--hero-water)}
.contact-grid{display:grid;gap:30px}
.contact-q{font-weight:600;margin-bottom:12px}
.opts{display:flex;flex-wrap:wrap;gap:8px}
.opts button{min-height:46px;padding:0 16px;border-radius:999px;border:1.5px solid var(--hero-line);background:transparent;color:var(--hero-fg);font-size:15.5px;cursor:pointer}
.opts button[aria-pressed="true"]{background:var(--hero-fg);border-color:var(--hero-fg);color:var(--hero-bg);font-weight:600}
.msg{background:var(--hero-chip);border-radius:16px 16px 16px 4px;padding:14px 16px;margin-block:18px;font-size:15.5px;line-height:1.45;max-width:30em}
.msg small{display:block;font-family:var(--mono);font-size:11.5px;letter-spacing:.08em;text-transform:uppercase;color:var(--hero-muted);margin-bottom:6px}
.contact .btn-wa{width:100%}
.direct{margin-top:22px;display:flex;flex-direction:column;gap:10px;font-size:15.5px;color:var(--hero-muted)}
.direct-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.direct b{color:var(--hero-fg);font-family:var(--mono);font-weight:500;font-size:1.05rem;user-select:all;-webkit-user-select:all}
.copy{min-height:38px;padding:0 13px;border-radius:999px;border:1.5px solid var(--hero-line);background:transparent;color:var(--hero-fg);font-size:14px;cursor:pointer}
.direct a{color:var(--hero-fg);overflow-wrap:anywhere}
.family{color:var(--hero-muted);max-width:30em;border-left:2px solid var(--hero-water);padding-left:14px}
.foot{margin-top:44px;padding-top:18px;border-top:1px solid var(--hero-line);font-size:13.5px;color:var(--hero-muted);display:flex;flex-wrap:wrap;gap:6px 18px;justify-content:space-between}

/* sticky action bar (phones) */
.bar{position:fixed;left:0;right:0;bottom:0;z-index:30;padding:10px 16px calc(10px + env(safe-area-inset-bottom,0px));background:var(--bg);border-top:1px solid var(--line);transform:translateY(110%);transition:transform .5s var(--glide)}
.bar.on{transform:none}
.bar .btn{width:100%;min-height:52px}

/* ---------- interaction: quick press-in, soft spring back; hover only where there is a mouse ---------- */
:root{--spring:cubic-bezier(.3,1.4,.5,1);--glide:cubic-bezier(.3,.8,.3,1);--ease:cubic-bezier(.25,.1,.25,1)}
.btn,.about-btn,.lang button,.lang a,.opts button,.copy,.ph-btn,.link,.back,.brand,.faq summary{
  transition:transform .4s var(--spring),background-color .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease),box-shadow .3s var(--ease),opacity .2s var(--ease),filter .2s var(--ease);
}
.link svg,.back svg{transition:transform .4s var(--spring)}
.ph-status,.ph-status i,.ph-notif,.ph-num{transition:background-color .3s var(--ease),color .3s var(--ease)}
.btn-wa{background-image:linear-gradient(to bottom,rgba(255,255,255,.16),rgba(255,255,255,0) 62%);box-shadow:inset 0 1px 0 rgba(255,255,255,.2),0 12px 26px -16px var(--cta)}
.copy.ok{border-color:var(--hero-water);color:var(--hero-water)}
@media (hover:hover) and (pointer:fine){
  .btn:hover{transform:translateY(-1px)}
  .btn-wa:hover{filter:brightness(1.06);box-shadow:inset 0 1px 0 rgba(255,255,255,.24),0 18px 32px -16px var(--cta)}
  .btn-ghost:hover{background:var(--hero-chip);border-color:var(--hero-muted)}
  .about-btn:hover{background:var(--hero-chip);border-color:var(--hero-muted)}
  .about-btn[aria-current="page"]:hover{background:var(--hero-fg);border-color:var(--hero-fg)}
  .opts button:hover{border-color:var(--hero-muted)}
  .copy:hover{background:var(--hero-chip)}
  .lang button:hover,.lang a:hover{color:var(--hero-fg)}
  .lang button[aria-pressed="true"]:hover,.lang a[aria-current="true"]:hover{color:var(--hero-bg)}
  .ph-btn:not(:disabled):hover{filter:brightness(1.07)}
  .link:hover span+svg{transform:translateX(4px)}
  .back:hover svg{transform:translateX(-3px)}
  .faq summary:hover{color:var(--water)}
}
.btn:active,.ph-btn:not(:disabled):active{transform:scale(.97);transition-duration:.09s}
.btn-wa:active{filter:brightness(.93);box-shadow:inset 0 1px 0 rgba(255,255,255,.12),0 4px 10px -8px var(--cta)}
.btn-ghost:active{background:var(--hero-chip)}
.about-btn:active,.opts button:active,.copy:active,.lang button:active,.lang a:active{transform:scale(.93);transition-duration:.09s}
.link:active,.back:active,.brand:active,.faq summary:active{opacity:.55;transition-duration:.09s}
.link:active span+svg{transform:translateX(4px)}
.back:active svg{transform:translateX(-3px)}
@supports ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .bar{background:color-mix(in srgb,var(--bg) 76%,transparent);-webkit-backdrop-filter:saturate(180%) blur(18px);backdrop-filter:saturate(180%) blur(18px)}
}

@media (max-width:520px){
  .top .wrap{gap:8px}
  .top-right{gap:8px}
  .brand span{display:flex;flex-direction:column;line-height:1}
  .brand small{font-family:var(--mono);font-size:10px;letter-spacing:.14em;text-transform:uppercase;margin-top:3px}
  .lang{display:none}
  .lang-sel{display:block}
  .about-btn{padding:0 11px;font-size:14px}
}
@media (max-width:350px){
  .brand svg{display:none}
  .top .wrap,.top-right{gap:6px}
  .about-btn{padding:0 8px}
  .lang-sel{padding:0 22px 0 9px}
}
@media (min-width:700px){
  .tale{grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
  .gal{grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
  .shot.big{grid-row:span 2;aspect-ratio:auto;height:100%}
  .hero-cta{flex-direction:row;flex-wrap:wrap}
  .contact .btn-wa{width:auto}
  .radio-top .btn-wa,.willi-copy .btn-wa{align-self:flex-start}
}
@media (min-width:900px){
  .prods{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
  .shop-top{padding-block:40px 60px}
  .shop-top .willi-in{flex-direction:row;align-items:center;justify-content:space-between;gap:56px}
  .willi-copy{max-width:36em}
  .willi-pic{width:300px;flex:none;margin-top:0}
  .shop-top h1{font-size:3.3rem}
  .wrap{padding-inline:32px}
  .nav{display:flex}
  .top .btn{display:inline-flex}
  .bar{display:none}
  .hero{padding-block:60px 68px}
  .hero-in{grid-template-columns:1fr 1fr;align-items:center;gap:48px;padding-inline:32px}
  .hero h1{font-size:3.3rem}
  .hero-copy{order:1;padding-inline:0}
  .hero-photo{order:2}
  .hero-photo img{border-radius:22px}
  .hero-photo::after{display:none}
  .demo-sec .split{align-items:center}
  .demo-sec .split .head{position:static}
  .sec{padding-block:92px}
  .split{grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
  .split .head{position:sticky;top:96px}
  .contact{padding-block:92px 34px}
  .about-top{padding-block:40px 68px}
  .about-top-in{gap:36px}
  .people{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;overflow:visible;margin:0;padding:0;max-width:980px}
  .person{max-width:none}
  .about-top h1{font-size:3.3rem}
  .contact-grid{grid-template-columns:1.1fr .9fr;gap:64px;align-items:start}
}
@media (min-width:1000px){
  /* the five steps run left to right: the pipe becomes a horizontal line */
  #ablauf .split{grid-template-columns:1fr;gap:40px}
  #ablauf .split .head{position:static}
  .pipe{flex-direction:row}
  .pipe li{flex:1 1 0;padding:60px 26px 0 0}
  .pipe li:last-child{padding-right:0}
  .pipe li::before{left:48px;right:8px;top:18px;bottom:auto;width:auto;height:4px}
  .pipe li.dry::before{background:repeating-linear-gradient(to right,var(--line) 0 6px,transparent 6px 12px)}
  .pipe h3{padding-top:0}
  .pipe p{font-size:16px}
}
@media (min-width:1180px){
  .nav .nav-x{display:inline}
}
@media (min-width:1240px){
  .wrap,.hero-in{max-width:1200px}
  .hero{padding-block:72px 84px}
  .hero-in{grid-template-columns:.88fr 1.12fr;gap:64px}
  .hero h1,.about-top h1,.shop-top h1{font-size:4rem}
  .hero-sub{font-size:1.15rem}
}
@media (prefers-reduced-motion: reduce){
  .live,.phone[data-state="leak"] .ph-status i,.hero::before,.demo-sec::before,#kontakt::before,.glow::after{animation:none}
  .bar,.lang::before,.faq summary::after,.link svg,.back svg{transition:none}
  .btn,.about-btn,.lang button,.lang a,.opts button,.copy,.ph-btn{transition-property:background-color,border-color,color,opacity,filter,box-shadow}
  .btn:hover,.btn:active,.ph-btn:not(:disabled):active,.about-btn:active,.opts button:active,.copy:active,.lang button:active,.lang a:active{transform:none}
  .faq details[open] p{animation:none}
  .flip-in{transition:none}
}