/**
 * company: cube one GmbH
 * name: style.css
 * author: Marvin Fenßel
 * created: 28.07.2026
 * change log: 28.07.2026 – Imported CUBE Pure 5 coming-soon stylesheet into repo.
 *
 * CUBE Pure 5 / cube.de – tokens first, then layout.
 * Corner rule: two opposite corners round, two square.
 */

/* ---------- Tokens ---------- */
:root{
  /* Marke */
  --green-300:#53af32;
  --green-500:#009640;
  --green-700:#006533;
  --ink:#3c3c3b;
  --ink-900:#14201a;
  --ink-500:#5f6b64;
  --ink-300:#9aa5a0;
  --line:#e4eae6;
  --wash:#f4f9f5;
  --paper:#ffffff;
  --danger:#b3261e;

  --brand-grad:linear-gradient(100deg,#53af32 0%,#009640 48%,#006533 100%);

  /* Eckenregel */
  --r-xl:30px;
  --r:22px;
  --r-md:16px;
  --r-sm:8px;
  --corner-xl:     var(--r-xl) 0 var(--r-xl) 0;
  --corner:        var(--r)    0 var(--r)    0;
  --corner-alt:  0 var(--r)    0 var(--r);
  --corner-md:     var(--r-md) 0 var(--r-md) 0;
  --corner-md-alt:0 var(--r-md) 0 var(--r-md);
  --corner-sm:     var(--r-sm) 0 var(--r-sm) 0;
  --corner-sm-alt:0 var(--r-sm) 0 var(--r-sm);

  /* Typo */
  --font-display:"Inter Tight","Inter",-apple-system,BlinkMacSystemFont,
                 "Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  --font-body:"Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,
              "Helvetica Neue",Arial,sans-serif;
  --font-mono:ui-monospace,SFMono-Regular,"SF Mono","JetBrains Mono",
              "Roboto Mono",Menlo,Consolas,monospace;

  /* Raster */
  --page:1120px;
  --gap:clamp(18px,3vw,32px);

  --shadow-sm:0 1px 2px rgba(20,32,26,.05),0 6px 18px -12px rgba(20,32,26,.18);
  --shadow-lg:0 2px 4px rgba(20,32,26,.04),0 24px 56px -28px rgba(0,101,51,.28);
}

/* ---------- Reset ---------- */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;overflow-x:clip}
body,h1,h2,h3,p,ul,ol,figure,fieldset{margin:0}
ul,ol{padding:0;list-style:none}
fieldset{border:0;padding:0}
img,svg{display:block;max-width:100%}
button,input{font:inherit;color:inherit}
a{color:inherit}

body{
  font-family:var(--font-body);
  font-size:clamp(15px,.42vw + 14px,17px);
  line-height:1.6;
  color:var(--ink);
  background:var(--paper);
  min-height:100dvh;
  display:flex;
  flex-direction:column;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}

/* ---------- Hintergrund: weiß mit sehr leichtem Farbverlauf ---------- */
.backdrop{
  position:fixed;
  inset:0;
  z-index:-1;
  pointer-events:none;
  background:
    radial-gradient(58rem 42rem at 8% -12%,  rgba(83,175,50,.16), transparent 62%),
    radial-gradient(52rem 40rem at 102% 4%,  rgba(0,150,64,.13),  transparent 60%),
    radial-gradient(64rem 46rem at 46% 118%, rgba(0,101,51,.10),  transparent 64%),
    var(--paper);
}
.backdrop::after{
  /* feines Raster, hält die Fläche ruhig ohne sie zu füllen */
  content:"";
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(to right, rgba(0,101,51,.045) 1px, transparent 1px),
    linear-gradient(to bottom,rgba(0,101,51,.045) 1px, transparent 1px);
  background-size:88px 88px;
  mask-image:radial-gradient(70rem 52rem at 50% 34%,#000 0%,transparent 78%);
  -webkit-mask-image:radial-gradient(70rem 52rem at 50% 34%,#000 0%,transparent 78%);
}

/* ---------- Bausteine ---------- */
.wrap{width:100%;max-width:var(--page);margin-inline:auto;padding-inline:clamp(20px,5vw,40px)}

.eyebrow{
  display:inline-flex;align-items:center;gap:.55rem;
  font-family:var(--font-mono);
  font-size:11px;letter-spacing:.16em;text-transform:uppercase;
  color:var(--green-700);
  background:rgba(255,255,255,.72);
  border:1px solid var(--line);
  border-radius:var(--corner-sm-alt);      /* Alt-Variante */
  padding:.4rem .75rem;
  backdrop-filter:blur(8px);
}
.eyebrow .dot{
  width:7px;height:7px;border-radius:50%;
  background:var(--green-500);
  box-shadow:0 0 0 0 rgba(0,150,64,.5);
  animation:pulse 2.6s ease-out infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(0,150,64,.45)}
  70%{box-shadow:0 0 0 9px rgba(0,150,64,0)}
  100%{box-shadow:0 0 0 0 rgba(0,150,64,0)}
}

.grad-text{
  background:var(--brand-grad);
  -webkit-background-clip:text;background-clip:text;
  color:transparent;
}

/* ---------- Kopf ---------- */
.site-head{padding:clamp(12px,1.8vw,20px) 0 0}
.site-head .wrap{display:flex;align-items:center;justify-content:space-between;gap:16px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand img{height:clamp(34px,4.4vw,44px);width:auto}
.head-note{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.14em;
  text-transform:uppercase;color:var(--ink-300);
}

/* ---------- Hero ---------- */
.hero{padding:clamp(24px,4.2vh,54px) 0 clamp(28px,5vh,56px);text-align:center}
.hero .wrap{display:flex;flex-direction:column;align-items:center;gap:clamp(14px,1.9vw,21px)}

.hero h1{
  font-family:var(--font-display);
  font-weight:700;
  font-size:clamp(2.15rem,5.1vw,3.7rem);
  line-height:1.04;
  letter-spacing:-.038em;
  color:var(--ink-900);
  max-width:16ch;
  text-wrap:balance;
}
.hero h1 .line2{display:block}

.hero .lede{
  max-width:56ch;
  font-size:clamp(1rem,.5vw + .92rem,1.2rem);
  color:var(--ink-500);
  text-wrap:pretty;
}
.hero .lede strong{color:var(--ink-900);font-weight:600}

/* ---------- Das Kernfeld: heute E-Mail, ab Start die Produktsuche -------- */
.signup{width:min(780px,100%);margin-top:.6rem;position:relative;isolation:isolate}

/* weicher Lichtkegel dahinter, macht das Feld zum Mittelpunkt */
.signup::before{
  content:"";position:absolute;z-index:-1;pointer-events:none;
  left:50%;top:-58px;transform:translateX(-50%);
  width:min(1020px,132%);height:300px;
  background:
    radial-gradient(46% 52% at 50% 50%, rgba(0,150,64,.22), transparent 70%),
    radial-gradient(64% 60% at 32% 46%, rgba(83,175,50,.16), transparent 72%),
    radial-gradient(58% 58% at 72% 56%, rgba(0,101,51,.14), transparent 72%);
  filter:blur(34px);
}

.field{
  position:relative;
  display:flex;align-items:center;gap:16px;
  min-height:86px;
  background:var(--paper);
  border:1px solid rgba(0,101,51,.13);
  border-radius:var(--corner-xl);          /* Standard: TL + BR rund */
  padding:12px 12px 12px 28px;
  box-shadow:
    0 1px 2px rgba(20,32,26,.04),
    0 22px 50px -30px rgba(0,101,51,.45);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field:focus-within{
  border-color:rgba(0,150,64,.42);
  box-shadow:
    0 1px 2px rgba(20,32,26,.04),
    0 26px 62px -30px rgba(0,101,51,.6);
}
.field .icon{flex:none;color:var(--green-700);opacity:.55}
.field input{
  flex:1 1 auto;min-width:0;
  border:0;background:transparent;outline:0;
  font-size:clamp(1.05rem,.6vw + .95rem,1.24rem);
  letter-spacing:-.012em;
  padding:10px 0;
  color:var(--ink-900);
}
.field input::placeholder{color:var(--ink-300);opacity:1}

.btn{
  flex:none;
  display:inline-flex;align-items:center;gap:.55rem;
  font-weight:600;font-size:1rem;letter-spacing:-.012em;
  padding:18px 26px;
  border:0;cursor:pointer;
  color:#fff;
  background:var(--brand-grad);
  border-radius:var(--corner-md);          /* Standard */
  transition:filter .18s ease,transform .18s ease;
  white-space:nowrap;
}
.btn:hover{filter:brightness(1.08)}
.btn:active{transform:translateY(1px)}
.btn[disabled]{opacity:.55;cursor:progress}
.btn .arrow{transition:transform .18s ease}
.btn:hover .arrow{transform:translateX(3px)}

.btn-ghost{
  background:transparent;color:var(--green-700);
  border:1px solid var(--line);
  border-radius:var(--corner-md-alt);      /* Alt neben Primaerbutton */
  padding:17px 24px;
}
.btn-ghost:hover{background:var(--wash);filter:none}

/* Ausblick: was aus dem Feld wird */
.futures{
  display:flex;align-items:center;justify-content:center;
  flex-wrap:wrap;gap:8px;
  margin-top:18px;
}
.futures-label{
  font-family:var(--font-mono);font-size:10.5px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--ink-300);
  margin-right:4px;
}
.futures .chip{
  font-size:.83rem;color:var(--ink-500);
  background:rgba(255,255,255,.7);
  border:1px solid var(--line);
  border-radius:var(--corner-sm);
  padding:.4rem .8rem;
}
.futures .chip:nth-of-type(even){border-radius:var(--corner-sm-alt)}

/* Honeypot + visuell versteckte Labels */
.hp,.sr-only{position:absolute!important;left:-9999px;width:1px;height:1px;overflow:hidden}

/* Einwilligung */
.consent{
  display:flex;align-items:flex-start;gap:11px;
  margin:16px 4px 0;
  font-size:.845rem;line-height:1.5;color:var(--ink-500);
  text-align:left;
}
.consent input[type=checkbox]{
  appearance:none;-webkit-appearance:none;
  flex:none;width:19px;height:19px;margin-top:2px;
  border:1.5px solid var(--ink-300);
  border-radius:var(--corner-sm);          /* Standard, klein */
  background:#fff;cursor:pointer;
  display:grid;place-content:center;
  transition:border-color .15s ease,background .15s ease;
}
.consent input[type=checkbox]::after{
  content:"";width:10px;height:10px;
  clip-path:polygon(14% 46%,0 60%,39% 100%,100% 22%,86% 8%,38% 71%);
  background:#fff;transform:scale(0);transition:transform .15s ease;
}
.consent input[type=checkbox]:checked{background:var(--green-500);border-color:var(--green-500)}
.consent input[type=checkbox]:checked::after{transform:scale(1)}
.consent a{color:var(--green-700);text-underline-offset:3px}

/* Statusmeldung */
.status{
  margin-top:14px;font-size:.9rem;min-height:1.2em;
  display:none;text-align:left;
  padding:12px 16px;
  border-radius:var(--corner-md);
  border:1px solid var(--line);
  background:#fff;
}
.status.is-visible{display:block}
.status.is-ok{border-color:rgba(0,150,64,.35);background:var(--wash);color:var(--green-700)}
.status.is-error{border-color:rgba(179,38,30,.3);background:#fdf4f3;color:var(--danger)}

/* ---------- Gründerzeile ---------- */
.byline{
  margin-top:24px;
  display:flex;flex-wrap:wrap;align-items:baseline;justify-content:center;
  gap:2px 9px;
  font-size:.87rem;color:var(--ink-500);
}
.byline .who{white-space:nowrap}
.byline b{color:var(--ink-900);font-weight:600}
.byline .sep{color:var(--ink-300)}
@media (max-width:520px){ .byline .sep{display:none} }

/* ---------- Signature: der Pure-5-Reduktionszähler ---------- */
.reducer{
  width:min(720px,100%);
  margin:clamp(40px,7vh,76px) auto 0;
  background:rgba(255,255,255,.72);
  border:1px solid var(--line);
  border-radius:var(--corner);
  box-shadow:var(--shadow-sm);
  backdrop-filter:blur(10px);
  padding:clamp(20px,3.4vw,30px);
  text-align:left;
  overflow:hidden;
}
.reducer-head{
  display:flex;align-items:baseline;justify-content:space-between;
  gap:12px;flex-wrap:wrap;
  font-family:var(--font-mono);font-size:11px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--ink-300);
}
.reducer-head .cat{
  color:var(--green-700);
  font-weight:600;
  transition:opacity .3s ease,transform .3s ease;
}
.reducer-head .cat.swap{opacity:0;transform:translateY(-6px)}

.reducer-figures{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:18px;margin:20px 0 16px;
}
.fig{display:flex;flex-direction:column;gap:2px}
.fig .num{
  font-family:var(--font-mono);
  font-variant-numeric:tabular-nums;
  font-weight:600;
  letter-spacing:-.03em;
  line-height:1;
  color:var(--ink-900);
  font-size:clamp(2rem,5.6vw,3.1rem);
}
.fig.target .num{font-size:clamp(2.6rem,7.4vw,4.2rem);font-weight:700}
.fig .num.grad-text{color:transparent}
.fig .cap{font-size:.76rem;color:var(--ink-300);letter-spacing:.02em}
.fig-arrow{
  flex:1 1 auto;height:1px;background:var(--line);
  margin-bottom:1.15rem;position:relative;min-width:24px;
}
.fig-arrow::after{
  content:"";position:absolute;right:0;top:50%;
  width:7px;height:7px;border-top:1px solid var(--line);border-right:1px solid var(--line);
  transform:translateY(-50%) rotate(45deg);
}

/* die fünf Marker */
.pips{display:flex;gap:8px;margin-top:4px}
.pip{
  flex:1 1 0;height:38px;
  border:1px solid var(--line);
  border-radius:var(--corner-sm);
  background:#fff;
  display:grid;place-content:center;
  font-family:var(--font-mono);font-size:12px;letter-spacing:.06em;color:var(--ink-300);
  transition:background .4s ease,color .4s ease,border-color .4s ease,transform .4s ease;
}
.pip.on{background:var(--brand-grad);border-color:transparent;color:#fff}
.pip.on{transform:translateY(-2px)}
.pip:nth-child(even){border-radius:var(--corner-sm-alt)}

.reducer-foot{
  margin-top:16px;font-size:.83rem;color:var(--ink-500);
  display:flex;gap:10px;align-items:center;flex-wrap:wrap;
}
.tag{
  font-family:var(--font-mono);font-size:10px;letter-spacing:.13em;text-transform:uppercase;
  color:var(--ink-300);border:1px solid var(--line);
  border-radius:var(--corner-sm-alt);padding:.25rem .5rem;
}

/* ---------- Prinzipien ---------- */
.principles{padding:clamp(56px,10vh,110px) 0 clamp(30px,5vh,60px)}
.principles h2{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(1.5rem,3vw,2.1rem);letter-spacing:-.035em;
  color:var(--ink-900);margin-bottom:6px;
}
.principles .sub{color:var(--ink-500);max-width:52ch;margin-bottom:clamp(26px,4vw,40px)}
.cards{display:grid;gap:var(--gap);grid-template-columns:repeat(auto-fit,minmax(248px,1fr))}
.card{
  background:rgba(255,255,255,.78);
  border:1px solid var(--line);
  border-radius:var(--corner);
  padding:clamp(20px,2.6vw,26px);
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:nth-child(even){border-radius:var(--corner-alt)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg)}
.card .k{
  font-family:var(--font-mono);font-size:11px;letter-spacing:.15em;
  text-transform:uppercase;color:var(--green-700);
}
.card h3{
  font-family:var(--font-display);font-weight:700;
  font-size:1.16rem;letter-spacing:-.025em;color:var(--ink-900);
  margin:12px 0 8px;
}
.card p{color:var(--ink-500);font-size:.93rem}

/* ---------- Fuß ---------- */
.site-foot{margin-top:auto;padding:clamp(36px,6vh,64px) 0 32px}
.site-foot .wrap{
  border-top:1px solid var(--line);padding-top:22px;
  display:flex;justify-content:space-between;align-items:center;
  gap:14px;flex-wrap:wrap;
  font-size:.85rem;color:var(--ink-500);
}
.site-foot nav{display:flex;gap:18px;flex-wrap:wrap}
.site-foot a{text-decoration:none;text-underline-offset:4px}
.site-foot a:hover{text-decoration:underline;color:var(--green-700)}
.site-foot .co{display:flex;align-items:center;gap:9px}
.site-foot .co img{height:22px;width:auto;opacity:.9}

/* ---------- Inhaltsseiten (Impressum, Datenschutz) ---------- */
.doc{padding:clamp(30px,6vh,60px) 0 20px}
.doc .wrap{max-width:760px}
.doc h1{
  font-family:var(--font-display);font-weight:800;
  font-size:clamp(2rem,5vw,3rem);letter-spacing:-.04em;
  color:var(--ink-900);margin-bottom:8px;
}
.doc .updated{font-family:var(--font-mono);font-size:11px;letter-spacing:.13em;
  text-transform:uppercase;color:var(--ink-300);margin-bottom:34px}
.doc h2{
  font-family:var(--font-display);font-weight:700;
  font-size:clamp(1.18rem,2.2vw,1.42rem);letter-spacing:-.028em;
  color:var(--ink-900);margin:38px 0 10px;
  padding-top:18px;border-top:1px solid var(--line);
}
.doc h3{font-family:var(--font-display);font-weight:650;font-size:1.02rem;
  color:var(--ink-900);margin:22px 0 6px}
.doc p,.doc li{color:var(--ink);font-size:.96rem}
.doc p+p{margin-top:12px}
.doc ul{margin:10px 0 0;display:grid;gap:7px}
.doc ul li{padding-left:20px;position:relative;color:var(--ink-500)}
.doc ul li::before{
  content:"";position:absolute;left:2px;top:.62em;
  width:7px;height:7px;background:var(--green-500);
  border-radius:var(--corner-sm);
}
.doc a{color:var(--green-700);text-underline-offset:3px}
.doc code{font-family:var(--font-mono);font-size:.86em;background:var(--wash);
  border:1px solid var(--line);border-radius:var(--corner-sm);padding:.1em .38em}
.doc .box{
  background:rgba(255,255,255,.8);border:1px solid var(--line);
  border-radius:var(--corner);padding:clamp(18px,2.6vw,24px);
  margin-top:16px;box-shadow:var(--shadow-sm);
}
.doc .box p{font-size:.95rem}
.doc dl{margin:12px 0 0;display:grid;grid-template-columns:auto 1fr;gap:6px 20px}
.doc dt{font-family:var(--font-mono);font-size:.78rem;letter-spacing:.06em;
  text-transform:uppercase;color:var(--ink-300);padding-top:.22em}
.doc dd{margin:0;color:var(--ink)}
@media (max-width:560px){
  .doc dl{grid-template-columns:1fr;gap:2px 0}
  .doc dd{margin-bottom:10px}
}
.back{
  display:inline-flex;align-items:center;gap:.5rem;
  font-size:.86rem;color:var(--green-700);text-decoration:none;
  border:1px solid var(--line);background:rgba(255,255,255,.7);
  border-radius:var(--corner-md-alt);padding:9px 16px;margin-bottom:30px;
}
.back:hover{background:var(--wash)}

/* ---------- Statusseiten (Bestätigung / Abmeldung) ---------- */
.panel{
  width:min(560px,100%);margin:clamp(56px,12vh,120px) auto;
  background:rgba(255,255,255,.86);border:1px solid var(--line);
  border-radius:var(--corner);box-shadow:var(--shadow-lg);
  padding:clamp(28px,4.5vw,44px);text-align:center;
}
.panel .mark{
  width:54px;height:54px;margin:0 auto 20px;
  display:grid;place-content:center;color:#fff;
  background:var(--brand-grad);border-radius:var(--corner-md);
}
.panel.is-error .mark{background:var(--danger)}
.panel h1{font-family:var(--font-display);font-weight:800;
  font-size:clamp(1.6rem,4vw,2.2rem);letter-spacing:-.035em;color:var(--ink-900)}
.panel p{margin-top:12px;color:var(--ink-500)}
.panel .actions{margin-top:26px;display:flex;gap:10px;justify-content:center;flex-wrap:wrap}

/* ---------- Zugänglichkeit ---------- */
:focus-visible{outline:2px solid var(--green-500);outline-offset:3px}
.skip{
  position:absolute;left:-9999px;top:0;z-index:99;
  background:#fff;border:1px solid var(--line);border-radius:var(--corner-sm);
  padding:10px 16px;
}
.skip:focus{left:12px;top:12px}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms!important;animation-iteration-count:1!important;
    transition-duration:.001ms!important;scroll-behavior:auto!important;
  }
}

/* ---------- Klein ---------- */
@media (max-width:640px){
  :root{--r-xl:24px;--r:18px;--r-md:14px}
  .signup::before{width:100%;height:210px;top:-26px;filter:blur(26px)}
  .futures{gap:6px;margin-top:14px}
  .futures .chip{font-size:.78rem;padding:.34rem .62rem}
  .futures-label{margin-right:0;flex:1 1 100%;text-align:center}
  .field{flex-wrap:wrap;padding:16px;gap:10px;min-height:0}
  .field .icon{display:none}
  .field input{flex:1 1 100%;padding:8px 6px;font-size:1.1rem}
  .btn{width:100%;justify-content:center}
  .hero h1{font-size:clamp(2rem,8.4vw,2.7rem)}
  .reducer-figures{flex-wrap:wrap;gap:10px}
  .fig-arrow{display:none}
  .head-note{display:none}
  .site-foot .wrap{flex-direction:column;align-items:flex-start}
}