:root{
  --bg:#f5f5f7; --card:#fff; --glass:rgba(255,255,255,.72);
  --ink:#1d1d1f; --ink2:#6e6e73; --ink3:#a1a1a6; --line:rgba(0,0,0,.08); --fill:rgba(120,120,128,.12);
  --blue:#0071e3; --green:#28a745; --green2:#30d158; --orange:#ff7a1a; --amber:#ffb020;
  --shadow:0 1px 2px rgba(0,0,0,.04),0 8px 28px rgba(0,0,0,.06); --r:22px;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#000; --card:#1c1c1e; --glass:rgba(28,28,30,.7);
  --ink:#f5f5f7; --ink2:#a1a1a6; --ink3:#6e6e73; --line:rgba(255,255,255,.1);
  --blue:#2997ff; --green:#30d158; --shadow:none;
}}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:70px}
body{margin:0;background:var(--bg);color:var(--ink);font:17px/1.47 -apple-system,BlinkMacSystemFont,"SF Pro Text","Inter","Helvetica Neue",sans-serif;-webkit-font-smoothing:antialiased;letter-spacing:-.01em}
a{color:var(--blue)}
.num{font-family:-apple-system,BlinkMacSystemFont,"SF Pro Display","Inter",sans-serif;font-variant-numeric:tabular-nums;letter-spacing:-.03em}
.wrap{max-width:1080px;margin:0 auto;padding:0 22px}
.muted{color:var(--ink2)}
.hidden{display:none!important}

.nav{position:sticky;top:0;z-index:20;background:var(--glass);backdrop-filter:saturate(180%) blur(20px);-webkit-backdrop-filter:saturate(180%) blur(20px);border-bottom:.5px solid transparent;transition:border-color .3s}
.nav.scrolled{border-bottom-color:var(--line)}
.nav .wrap{display:flex;align-items:center;gap:16px;height:52px}
.nav .t{font-weight:600;opacity:0;transform:translateY(6px);transition:all .35s cubic-bezier(.2,.8,.2,1)}
.nav.scrolled .t{opacity:1;transform:none}
.seg{margin-left:auto;display:flex;gap:2px;background:var(--fill);padding:3px;border-radius:10px;overflow-x:auto;scrollbar-width:none}
.seg:empty{display:none}
.seg a{font-size:13px;font-weight:500;color:var(--ink2);text-decoration:none;padding:5px 12px;border-radius:8px;white-space:nowrap;transition:all .25s}
.seg a.on{background:var(--card);color:var(--ink);box-shadow:0 1px 3px rgba(0,0,0,.12)}

.hero{padding:48px 0 30px}
.eyebrow{font-size:15px;color:var(--ink2);font-weight:500;margin:0}
h1{font-size:clamp(44px,7vw,72px);line-height:1.04;font-weight:700;letter-spacing:-.035em;margin:4px 0 0}
.status{display:inline-flex;align-items:center;gap:8px;margin-top:16px;font-size:14px;font-weight:500;color:var(--ink2);background:var(--card);border-radius:999px;padding:7px 14px 7px 10px;box-shadow:var(--shadow)}
.dot{width:8px;height:8px;border-radius:50%;background:var(--green2);animation:pulse 2.4s infinite}
.dot.alt{background:var(--amber);animation:none}
@keyframes pulse{0%{box-shadow:0 0 0 0 rgba(48,209,88,.45)}70%{box-shadow:0 0 0 10px rgba(48,209,88,0)}100%{box-shadow:0 0 0 0 rgba(48,209,88,0)}}
.demo{display:inline-block;margin-left:10px;font-size:12px;font-weight:600;padding:3px 8px;border-radius:7px;background:rgba(255,176,32,.18);color:#b97700;vertical-align:middle;letter-spacing:0}

.big-card{margin-top:34px;border-radius:30px;padding:34px 34px 28px;color:#fff;position:relative;overflow:hidden}
.big-card.gruen{background:radial-gradient(120% 140% at 0% 0%,#34c759 0%,#0a9d6e 45%,#06756b 100%)}
.big-card.blau{background:radial-gradient(120% 140% at 0% 0%,#5ac8fa 0%,#0a84ff 50%,#3634a3 100%)}
.big-card::after{content:"";position:absolute;inset:auto -10% -60% 40%;height:120%;background:radial-gradient(closest-side,rgba(255,255,255,.22),transparent);pointer-events:none}
.big-card .lbl{font-size:15px;font-weight:600;opacity:.85;margin:0}
.big-card .big{font-size:clamp(64px,11vw,112px);font-weight:700;line-height:1;margin:8px 0 4px}
.big-card .sub{font-size:17px;opacity:.9;margin:0}
.big-card .row{display:flex;gap:28px;flex-wrap:wrap;margin-top:26px;position:relative;z-index:1}
.big-card .row>div{min-width:110px}
.big-card .row b{display:block;font-size:26px;font-weight:600}
.big-card .row>div>span{font-size:13px;opacity:.8}

section{padding:56px 0 8px}
h2{font-size:clamp(30px,4.4vw,40px);font-weight:700;letter-spacing:-.03em;margin:0 0 6px}
.lead{font-size:19px;color:var(--ink2);margin:0 0 26px;max-width:640px}
.card{background:var(--card);border-radius:var(--r);box-shadow:var(--shadow);padding:22px}
.card-title{font-size:17px;font-weight:600;margin:0}
.grid{display:grid;gap:14px}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.mt{margin-top:14px}
@media (max-width:860px){.g4,.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:560px){.g3,.g2{grid-template-columns:minmax(0,1fr)}.wrap{padding:0 16px}.big-card{padding:26px 22px}}

.stat .k{font-size:13px;font-weight:500;color:var(--ink2);display:flex;align-items:center;gap:6px}
.stat .v{font-size:32px;font-weight:600;margin-top:6px;line-height:1.05}
.stat .v small{font-size:17px;font-weight:500;color:var(--ink2);margin-left:2px}
.stat .h{font-size:13px;color:var(--ink2);margin-top:4px}
.stat .h.gut{color:var(--green)}
.stat .v.grau{color:var(--ink3)}
.stat .v.gut{color:var(--green)}
.ico{width:16px;height:16px;flex:none}

.unit{display:flex;align-items:center;gap:12px;margin:30px 0 12px}
.unit h3{font-size:20px;font-weight:600;margin:0;letter-spacing:-.02em}
.unit span{font-size:13px;color:var(--ink2)}
.room{position:relative;overflow:hidden;border-radius:var(--r);padding:20px;background:var(--card);box-shadow:var(--shadow);transition:transform .4s cubic-bezier(.2,.8,.2,1)}
.room:hover{transform:translateY(-3px)}
.room .glow{position:absolute;inset:0;opacity:.18;pointer-events:none}
.room .top{display:flex;justify-content:space-between;align-items:center;gap:8px;position:relative}
.room .name{font-size:15px;font-weight:600}
.chip{font-size:12px;font-weight:600;padding:4px 10px;border-radius:999px;display:inline-flex;gap:5px;align-items:center;white-space:nowrap}
.chip.heat{background:rgba(255,122,26,.14);color:#e0620b}
.chip.cool{background:rgba(79,183,245,.16);color:#1b8fd6}
.chip.rest{background:var(--fill);color:var(--ink2)}
.chip.win{background:rgba(79,183,245,.16);color:#1b8fd6}
.chip.off{background:rgba(255,69,58,.12);color:#d70015}
@media (prefers-color-scheme:dark){.chip.heat{color:#ff9f50}.chip.win,.chip.cool{color:#64d2ff}.chip.off{color:#ff6961}}
.flame{animation:flick 1.6s ease-in-out infinite}
@keyframes flick{50%{transform:scale(1.12) translateY(-.5px)}}
.room .t{font-size:54px;font-weight:600;line-height:1;margin:16px 0 2px;position:relative}
.room .t sup{font-size:24px;font-weight:500;vertical-align:top;position:relative;top:6px;margin-left:1px}
.room .meta{display:flex;justify-content:space-between;gap:8px;font-size:13px;color:var(--ink2);position:relative}
.room svg.spark{display:block;width:100%;height:44px;margin-top:12px;position:relative}

.legend{display:flex;gap:18px;flex-wrap:wrap;font-size:13px;color:var(--ink2);margin-bottom:10px}
.legend span{display:inline-flex;align-items:center;gap:6px}
.legend i{width:12px;height:12px;border-radius:4px;display:inline-block}
.legend i.heizen{background:linear-gradient(90deg,var(--amber),var(--orange))}
.legend i.komfort{border:1.5px solid var(--ink3)}
.legend i.preis{background:linear-gradient(90deg,#30d158,#ffb020,#ff453a);height:3px}
.legend i.sonne{background:rgba(255,176,32,.35)}
.legend i.gemessen{background:var(--ink);height:3px}
.legend i.vorhergesagt{background:var(--blue);height:3px}
.legend i.app{background:var(--green2)}
.legend i.regel{background:rgba(120,120,128,.25)}
.plan-scroll{overflow-x:auto;scrollbar-width:none}
.chart{display:block;width:100%}
.why{display:flex;gap:14px;align-items:flex-start;margin-top:14px;padding:16px 18px;border-radius:16px;background:rgba(120,120,128,.08);min-height:72px;transition:opacity .3s}
.why .b{width:36px;height:36px;border-radius:10px;flex:none;display:grid;place-items:center;background:linear-gradient(135deg,var(--amber),var(--orange));color:#fff}
.why p{margin:0;font-size:15px}
.why b{display:block}
.why span{color:var(--ink2);font-size:14px}
.compare{display:flex;gap:26px;flex-wrap:wrap;margin-top:18px}
.klick{cursor:pointer}

.ring{width:96px;height:96px;flex:none}
.ring circle{fill:none;stroke-width:9;stroke-linecap:round}
.ring .bg{stroke:rgba(120,120,128,.16)}
.ring .fg{transition:stroke-dashoffset 1.6s cubic-bezier(.2,.8,.2,1)}
.ring text{fill:var(--ink)}
.learn{display:flex;gap:16px;align-items:center}
.learn .n{font-size:15px;font-weight:600}
.learn .s{font-size:13px;color:var(--ink2);margin-top:2px}
.badge{display:inline-block;margin-top:8px;font-size:12px;font-weight:600;padding:3px 9px;border-radius:999px}
.ok{background:rgba(48,209,88,.15);color:#1f9a45}.wip{background:rgba(255,176,32,.16);color:#b97700}
@media (prefers-color-scheme:dark){.ok{color:#30d158}.wip{color:#ffc246}}
.head-row{display:flex;justify-content:space-between;align-items:baseline;flex-wrap:wrap;gap:8px}
.head-row .legend{margin:0}

.ms{list-style:none;margin:6px 0 0;padding:0}
.ms li{display:flex;gap:14px;align-items:center;padding:12px 0;border-top:.5px solid var(--line)}
.ms li:first-child{border-top:0}
.ms .m{width:38px;height:38px;border-radius:12px;display:grid;place-items:center;flex:none;color:#fff;background:linear-gradient(135deg,#34c759,#0a9d6e)}
.ms b{font-size:15px;font-weight:600;display:block}
.ms span{font-size:13px;color:var(--ink2)}
.ms .todo .m{background:rgba(120,120,128,.18);color:var(--ink3)}
.ms .todo b{color:var(--ink2)}

.modes{display:grid;grid-template-columns:repeat(3,1fr);background:var(--fill);padding:4px;border-radius:14px}
.modes span{text-align:center;font-size:15px;font-weight:600;color:var(--ink3);padding:12px 6px;border-radius:11px}
.modes span.on{background:var(--card);color:var(--ink);box-shadow:0 2px 8px rgba(0,0,0,.12)}
.note{font-size:14px;color:var(--ink2);margin:12px 4px 0}
.rows>div{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:13px 0;border-top:.5px solid var(--line)}
.rows>div:first-child{border-top:0}
.rows b{font-size:15px;font-weight:500}
.hint{display:flex;gap:12px;align-items:flex-start;padding:14px 0;border-top:.5px solid var(--line)}
.hint:first-child{border-top:0}
.hint .m{width:30px;height:30px;border-radius:9px;display:grid;place-items:center;flex:none;background:rgba(0,113,227,.12);color:var(--blue)}
.hint p{margin:0;font-size:15px}
.hint span{display:block;font-size:13px;color:var(--ink2)}

.leer{display:flex;gap:18px;align-items:center}
.leer .m{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;flex:none;background:var(--fill);color:var(--ink2)}
.leer p{margin:0}
.leer b{display:block;font-size:17px}
.leer span{color:var(--ink2);font-size:15px}

.login{min-height:80vh;display:flex;flex-direction:column;justify-content:center;padding:40px 0}
.login .big-card{max-width:560px}
.knopf{display:inline-flex;align-items:center;gap:10px;margin-top:22px;background:#fff;color:#1d1d1f;font-weight:600;font-size:17px;text-decoration:none;padding:13px 22px;border-radius:14px;position:relative;z-index:1}
.knopf:hover{background:#f2f2f2}
.fehler{margin-top:16px;color:#ffe2e0;font-size:15px;position:relative;z-index:1}

footer{padding:60px 0 50px;text-align:center;font-size:12px;color:var(--ink3)}
footer a{color:var(--ink2)}

.rv{opacity:0;transform:translateY(28px) scale(.985);filter:blur(6px);transition:opacity .9s cubic-bezier(.2,.8,.2,1),transform .9s cubic-bezier(.2,.8,.2,1),filter .9s}
.rv.in{opacity:1;transform:none;filter:none}
.d1{transition-delay:.06s}.d2{transition-delay:.12s}.d3{transition-delay:.18s}.d4{transition-delay:.24s}
.draw{stroke-dasharray:var(--len);stroke-dashoffset:var(--len);transition:stroke-dashoffset 2s cubic-bezier(.3,.7,.2,1)}
.in .draw{stroke-dashoffset:0}
.grow-x{transform-box:fill-box;transform-origin:left center;transition:transform .9s cubic-bezier(.2,.8,.2,1) .3s}
.grow-y{transform-box:fill-box;transform-origin:center bottom;transition:transform 1s cubic-bezier(.2,.8,.2,1) .1s}
.rv:not(.in) .grow-x{transform:scaleX(0)}
.rv:not(.in) .grow-y{transform:scaleY(0)}
.rv:not(.in) .ring .fg{stroke-dashoffset:251.3}
.fade{transition:opacity .6s .9s}
.rv:not(.in) .fade{opacity:0}
@media (max-width:560px){
  .room{padding:16px}.room .top{flex-direction:column;align-items:flex-start}.room .t{font-size:44px;margin-top:10px}
  .room .meta{flex-direction:column;gap:1px}.modes span{font-size:13px}
  .plan-scroll{margin:0 -22px;padding:0 22px}.plan-scroll svg{min-width:640px}
}
@media (prefers-reduced-motion:reduce){.rv,.grow-x,.grow-y,.fade,.ring .fg{opacity:1!important;transform:none!important;filter:none;transition:none!important}.rv:not(.in) .ring .fg{stroke-dashoffset:revert-layer}.draw{stroke-dashoffset:0;transition:none}.dot,.flame{animation:none}html{scroll-behavior:auto}}