/* PROTOSTORE - protostore.eu
   Liquid Glass, hell nach dunkel beim Scrollen.
   Keine Endlos-Keyframes, keine runden Partikel, keine Punkt-Aufzaehlungen. */

*, *::before, *::after { box-sizing: border-box; }

/* Registriert, damit sich --p ueberblenden laesst */
@property --p {
  syntax: "<number>";
  inherits: true;
  initial-value: 0;
}

:root {
  color-scheme: light;

  /* 0 = hell, 1 = dunkel, app.js schaltet ab der Seitenhaelfte um,
     der Wechsel blendet in 0,5 s ueber */
  --p: 0;
  transition: --p .5s ease;
  --mix: calc(var(--p) * 100%);

  /* Hell */
  --bg-l:      #f4f4f6;
  --bg2-l:     #e7e9ee;
  --ink-l:     #0d0f14;
  --muted-l:   #565a66;
  --glass-l:   rgba(255,255,255,0.58);
  --glass2-l:  rgba(255,255,255,0.26);
  --edge-l:    rgba(255,255,255,0.85);
  --line-l:    rgba(10,12,20,0.10);
  --cyan-l:    #007c93;
  --mag-l:     #c21f6d;
  --shadow-l:  rgba(20,24,40,0.16);

  /* Dunkel */
  --bg-d:      #05060a;
  --bg2-d:     #0b0f1a;
  --ink-d:     #f2f5ff;
  --muted-d:   #98a0b4;
  --glass-d:   rgba(255,255,255,0.055);
  --glass2-d:  rgba(255,255,255,0.02);
  --edge-d:    rgba(255,255,255,0.22);
  --line-d:    rgba(255,255,255,0.12);
  --cyan-d:    #5ef0ff;
  --mag-d:     #ff4fa8;
  --shadow-d:  rgba(0,0,0,0.6);

  /* Gemischt */
  --bg:     color-mix(in oklab, var(--bg-l),     var(--bg-d)     var(--mix));
  --bg2:    color-mix(in oklab, var(--bg2-l),    var(--bg2-d)    var(--mix));
  --ink:    color-mix(in oklab, var(--ink-l),    var(--ink-d)    var(--mix));
  --muted:  color-mix(in oklab, var(--muted-l),  var(--muted-d)  var(--mix));
  --glass:  color-mix(in oklab, var(--glass-l),  var(--glass-d)  var(--mix));
  --glass2: color-mix(in oklab, var(--glass2-l), var(--glass2-d) var(--mix));
  --edge:   color-mix(in oklab, var(--edge-l),   var(--edge-d)   var(--mix));
  --line:   color-mix(in oklab, var(--line-l),   var(--line-d)   var(--mix));
  --cyan:   color-mix(in oklab, var(--cyan-l),   var(--cyan-d)   var(--mix));
  --mag:    color-mix(in oklab, var(--mag-l),    var(--mag-d)    var(--mix));
  --shadow: color-mix(in oklab, var(--shadow-l), var(--shadow-d) var(--mix));

  --sans: -apple-system, BlinkMacSystemFont, "SF Pro Display", "SF Pro Text",
          "Helvetica Neue", "Segoe UI", Inter, Roboto, Arial, sans-serif;
  --mono: ui-monospace, "SF Mono", "JetBrains Mono", Menlo, Consolas, monospace;

  --ease: cubic-bezier(.16,1,.3,1);
  --gutter: clamp(20px, 5vw, 64px);
  --maxw: 1180px;
}

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }

body {
  margin: 0;
  font-family: var(--sans);
  background: var(--bg);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Hintergrundfelder: statische Lichtquellen, die nur ihre Farbe mitziehen */
.field {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(58vw 46vw at 16% 8%,  color-mix(in oklab, var(--cyan), transparent 82%), transparent 62%),
    radial-gradient(52vw 40vw at 86% 22%, color-mix(in oklab, var(--mag),  transparent 84%), transparent 62%),
    radial-gradient(70vw 60vw at 50% 108%, color-mix(in oklab, var(--bg2), transparent 10%), transparent 68%);
}
.grid-field {
  position: fixed;
  inset: -10vh -10vw;
  z-index: 0;
  pointer-events: none;
  opacity: calc(0.16 + var(--p) * 0.30);
  background-image:
    linear-gradient(to right,  var(--line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line) 1px, transparent 1px);
  background-size: 74px 74px;
  mask-image: radial-gradient(72% 62% at 50% 42%, #000 25%, transparent 78%);
  -webkit-mask-image: radial-gradient(72% 62% at 50% 42%, #000 25%, transparent 78%);
}

main, header, footer { position: relative; z-index: 2; }

.wrap {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- Kopfzeile ---------- */
.top {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 60;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 8px var(--gutter);
  background: color-mix(in oklab, var(--glass), transparent 18%);
  backdrop-filter: blur(26px) saturate(180%);
  -webkit-backdrop-filter: blur(26px) saturate(180%);
  border-bottom: 1px solid var(--line);
}
.brand {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  line-height: 0;
}
/* Wortmarke, der Verlauf steckt im SVG. Im Dunkeln etwas aufgehellt,
   damit das violette Ende nicht im Hintergrund versinkt. */
.brand img {
  display: block;
  width: auto;
  height: 44px;
  filter: saturate(calc(1 + var(--p) * 0.22)) brightness(calc(1 + var(--p) * 0.42));
  transition: filter .5s var(--ease);
}
.foot .brand img { height: 19px; }
.top nav { display: flex; align-items: center; gap: 6px; }
.top nav a {
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  padding: 8px 12px;
  border-radius: 999px;
  transition: color .35s var(--ease), background .35s var(--ease);
}
.top nav a:hover { color: var(--ink); background: var(--glass2); }

.lang {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink);
  background: var(--glass);
  border: 1px solid var(--edge);
  border-radius: 999px;
  padding: 8px 14px;
  cursor: pointer;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform .4s var(--ease), border-color .4s var(--ease);
}
.lang:hover { transform: translateY(-1px); border-color: var(--cyan); }
.lang .off { opacity: .38; }

/* ---------- Typografie ---------- */
.eyebrow {
  font-family: var(--mono);
  font-size: clamp(11px, 1.1vw, 13px);
  letter-spacing: .34em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 22px;
}
h1 {
  margin: 0;
  font-size: clamp(38px, 8.6vw, 118px);
  line-height: .94;
  letter-spacing: -0.035em;
  font-weight: 700;
}
h1 .line { display: block; }
h1 .shout { color: var(--cyan); }
h2 {
  margin: 0 0 18px;
  font-size: clamp(26px, 4.4vw, 54px);
  line-height: 1.04;
  letter-spacing: -0.028em;
  font-weight: 650;
}
h3 { margin: 0 0 8px; font-size: 20px; letter-spacing: -0.012em; font-weight: 620; }
p { margin: 0 0 16px; line-height: 1.62; color: var(--muted); font-size: clamp(15px, 1.5vw, 18px); }
.lead { font-size: clamp(17px, 2vw, 23px); color: var(--muted); max-width: 58ch; }
a { color: var(--cyan); }

/* ---------- Glas ---------- */
.glass {
  position: relative;
  background: linear-gradient(150deg, var(--glass), var(--glass2));
  border: 1px solid var(--edge);
  border-radius: 26px;
  backdrop-filter: blur(30px) saturate(190%);
  -webkit-backdrop-filter: blur(30px) saturate(190%);
  box-shadow:
    0 30px 70px -32px var(--shadow),
    inset 0 1px 0 color-mix(in oklab, #fff, transparent calc(35% + var(--p) * 45%));
  overflow: hidden;
}
/* Glanzkante, rein statisch */
.glass::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  background: linear-gradient(125deg,
    color-mix(in oklab, #fff, transparent calc(72% + var(--p) * 22%)) 0%,
    transparent 34%,
    transparent 66%,
    color-mix(in oklab, var(--cyan), transparent 88%) 100%);
  mix-blend-mode: screen;
  opacity: .9;
}

/* ---------- Hero ---------- */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  padding: 132px 0 90px;
}
.hero-inner { position: relative; z-index: 3; max-width: 880px; }
.hero-logo {
  display: block;
  width: min(430px, 76%);
  height: auto;
  margin: 0 0 30px -4px;
}
.hero .lead { margin-top: 26px; }

.cta-row { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 34px; align-items: center; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 560;
  text-decoration: none;
  cursor: pointer;
  font-family: inherit;
  transition: transform .45s var(--ease), box-shadow .45s var(--ease), background .45s var(--ease), color .45s var(--ease);
}
.btn-primary {
  background: var(--ink);
  color: var(--bg);
  box-shadow: 0 18px 40px -18px var(--shadow);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 26px 54px -20px var(--shadow); }
.btn-ghost {
  background: var(--glass);
  border-color: var(--edge);
  color: var(--ink);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
}
.btn-ghost:hover { transform: translateY(-2px); border-color: var(--cyan); }

.scroll-hint {
  position: absolute;
  left: var(--gutter);
  bottom: 34px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 12px;
  z-index: 3;
}
.scroll-hint .bar {
  width: 58px;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

/* ---------- Schwebende Objekte ---------- */
.floaters {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  overflow: visible;
}
.floater {
  position: absolute;
  left: var(--x, 50%);
  top: var(--y, 50%);
  width: var(--s, 120px);
  height: var(--s, 120px);
  display: grid;
  place-items: center;
  padding: 16px;
  border-radius: 22px;
  background: linear-gradient(150deg, var(--glass), var(--glass2));
  border: 1px solid var(--edge);
  backdrop-filter: blur(22px) saturate(180%);
  -webkit-backdrop-filter: blur(22px) saturate(180%);
  box-shadow: 0 28px 60px -30px var(--shadow), inset 0 1px 0 color-mix(in oklab, #fff, transparent calc(40% + var(--p) * 44%));
  color: var(--ink);
  will-change: transform;
}
.floater svg { display: block; width: 100%; height: 100%; }
.floater.tint-c { color: var(--cyan); }
.floater.tint-m { color: var(--mag); }
.floater.plain {
  background: none;
  border: 0;
  box-shadow: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  color: color-mix(in oklab, var(--cyan), transparent 55%);
}

/* ---------- Abschnitte ---------- */
section { position: relative; padding: clamp(90px, 13vh, 160px) 0; }
.center { text-align: center; }
.center .lead { margin-inline: auto; }

.statement {
  font-size: clamp(24px, 3.6vw, 46px);
  line-height: 1.22;
  letter-spacing: -0.022em;
  font-weight: 600;
  color: var(--ink);
  max-width: 22ch;
}
.statement em { font-style: normal; color: var(--cyan); }

.cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 234px), 1fr));
  gap: 20px;
  margin-top: 56px;
}
.card { padding: 30px 28px 32px; }
.card .icon {
  width: 58px; height: 58px;
  margin-bottom: 22px;
  color: var(--cyan);
}
.card:nth-child(2) .icon { color: var(--mag); }
.card .icon svg { width: 100%; height: 100%; display: block; }
.card p { font-size: 15.5px; margin: 0; }
.tags { list-style: none; margin: 18px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.tags li {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 5px 9px;
}

/* ---------- Signal / Anmeldung ---------- */
.signal { padding: 44px clamp(24px, 4vw, 56px) 48px; margin-top: 12px; }
.form { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 26px; }
.form input {
  flex: 1 1 260px;
  min-width: 0;
  font-family: inherit;
  font-size: 15px;
  color: var(--ink);
  background: var(--glass2);
  border: 1px solid var(--edge);
  border-radius: 999px;
  padding: 14px 22px;
  outline: none;
  transition: border-color .4s var(--ease), background .4s var(--ease);
}
.form input::placeholder { color: var(--muted); }
.form input:focus { border-color: var(--cyan); background: var(--glass); }
.note { font-size: 13px; color: var(--muted); margin: 16px 0 0; max-width: 60ch; }
.formnote { min-height: 20px; font-size: 13.5px; color: var(--cyan); margin: 14px 0 0; }

.socials { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 30px; }
.socials a,
.socials .copy {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 11px 18px;
  border-radius: 999px;
  background: var(--glass2);
  border: 1px solid var(--edge);
  color: var(--ink);
  text-decoration: none;
  font-size: 14px;
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: transform .4s var(--ease), border-color .4s var(--ease), color .4s var(--ease);
}
.socials a svg, .socials .copy svg { width: 17px; height: 17px; flex: none; }
.socials a:hover,
.socials .copy:hover { transform: translateY(-2px); border-color: var(--cyan); color: var(--cyan); }
.socials .copy { font-family: inherit; cursor: pointer; }
.socials .copy.ok { border-color: var(--cyan); color: var(--cyan); }

/* ---------- Fusszeile ---------- */
footer {
  border-top: 1px solid var(--line);
  padding: 48px 0 56px;
  margin-top: 40px;
}
.foot {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  justify-content: space-between;
  align-items: flex-start;
}
.foot .small { font-size: 13px; color: var(--muted); line-height: 1.7; }
.foot nav { display: flex; flex-wrap: wrap; gap: 18px; }
.foot nav a { font-size: 13px; color: var(--muted); text-decoration: none; }
.foot nav a:hover { color: var(--ink); }

/* ---------- Rechtsseiten ---------- */
.legal { padding-top: 150px; }
.legal .wrap { max-width: 820px; }
.legal h1 { font-size: clamp(32px, 5.4vw, 62px); margin-bottom: 12px; }
.legal h2 { font-size: clamp(20px, 2.4vw, 27px); margin: 46px 0 14px; }
.legal h3 { margin: 28px 0 8px; font-size: 17px; }
.legal p, .legal li { font-size: 16px; line-height: 1.72; color: var(--muted); }
.legal strong { color: var(--ink); font-weight: 600; }
.legal .panel { padding: 30px 32px; margin: 28px 0 8px; }
.legal .addr { font-style: normal; color: var(--ink); line-height: 1.8; font-size: 17px; }
.legal ul { list-style: none; padding: 0; margin: 12px 0 0; }
.legal ul li { position: relative; padding-left: 22px; margin-bottom: 10px; }
.legal ul li::before {
  content: "";
  position: absolute;
  left: 0; top: .72em;
  width: 7px; height: 7px;
  background: var(--cyan);
  transform: rotate(45deg);
}
.back {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  font-size: 14px;
  text-decoration: none;
  color: var(--muted);
  margin-bottom: 26px;
}
.back:hover { color: var(--ink); }

/* ---------- Vorab Anfrage, Aufkleber ---------- */
.pre {
  position: fixed;
  z-index: 70;
  top: 62px;
  right: clamp(12px, 3vw, 40px);
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.pre-star {
  width: 108px;
  height: 108px;
  padding: 0;
  border: 0;
  display: grid;
  place-items: center;
  cursor: pointer;
  font-family: var(--mono);
  color: var(--bg);
  background: var(--mag);
  clip-path: polygon(50.0% 0.0%, 60.7% 9.9%, 75.0% 6.7%, 79.3% 20.7%, 93.3% 25.0%, 90.1% 39.3%, 100.0% 50.0%, 90.1% 60.7%, 93.3% 75.0%, 79.3% 79.3%, 75.0% 93.3%, 60.7% 90.1%, 50.0% 100.0%, 39.3% 90.1%, 25.0% 93.3%, 20.7% 79.3%, 6.7% 75.0%, 9.9% 60.7%, 0.0% 50.0%, 9.9% 39.3%, 6.7% 25.0%, 20.7% 20.7%, 25.0% 6.7%, 39.3% 9.9%);
  filter: drop-shadow(0 18px 34px color-mix(in oklab, var(--mag), transparent 62%));
  transform: rotate(-9deg);
  transition: transform .5s var(--ease), filter .5s var(--ease);
}
.pre-star:hover,
.pre-star:focus-visible {
  outline: none;
  transform: rotate(5deg) scale(1.07);
  filter: drop-shadow(0 22px 40px color-mix(in oklab, var(--mag), transparent 48%));
}
.pre-star[aria-expanded="true"] { transform: rotate(0deg) scale(.94); }
.pre-star-in { display: grid; gap: 3px; text-align: center; line-height: 1.1; padding: 0 6px; }
.pre-l1 { font-size: 10px; letter-spacing: .2em; opacity: .82; }
.pre-l2 { font-size: 13.5px; letter-spacing: .02em; font-weight: 700; }

.pre-pop {
  position: relative;
  width: min(318px, calc(100vw - 24px));
  margin-top: 8px;
  padding: 24px 24px 26px;
  border-radius: 22px;
  text-align: left;
  opacity: 0;
  transform: translateY(-10px) scale(.97);
  transform-origin: 86% 0;
  transition: opacity .3s var(--ease), transform .45s var(--ease);
}
.pre-pop.open { opacity: 1; transform: none; }
.pre-pop .eyebrow { font-size: 10.5px; letter-spacing: .26em; color: var(--mag); margin: 0 0 10px; }
.pre-pop h3 { font-size: 18px; margin: 0 0 10px; padding-right: 28px; }
.pre-pop p { font-size: 14px; line-height: 1.58; margin: 0 0 20px; }
.pre-pop .btn { width: 100%; justify-content: center; padding: 12px 20px; font-size: 14px; }
.pre-close {
  position: absolute;
  top: 13px; right: 13px;
  width: 30px; height: 30px;
  display: grid; place-items: center;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--edge);
  background: var(--glass2);
  color: var(--muted);
  cursor: pointer;
  transition: color .35s var(--ease), border-color .35s var(--ease);
}
.pre-close svg { width: 15px; height: 15px; display: block; }
.pre-close:hover { color: var(--ink); border-color: var(--mag); }

/* ---------- Einblenden beim Scrollen ---------- */
.rise {
  opacity: 0;
  transform: translate3d(0, 26px, 0);
  transition: opacity 1s var(--ease), transform 1.1s var(--ease);
}
.rise.in { opacity: 1; transform: none; }
.rise.d1 { transition-delay: .08s; }
.rise.d2 { transition-delay: .16s; }
.rise.d3 { transition-delay: .24s; }
.rise.d4 { transition-delay: .32s; }

@media (prefers-reduced-motion: reduce) {
  .rise { opacity: 1; transform: none; transition: none; }
  .floater { transform: none !important; }
  .pre-star, .pre-pop { transition: none; }
}

/* ---------- Schmale Bildschirme ---------- */
@media (max-width: 860px) {
  .top nav a.hide-s { display: none; }
  .floater { width: calc(var(--s, 120px) * .68); height: calc(var(--s, 120px) * .68); }
  .hero { padding-top: 128px; }
  .pre { position: absolute; top: 66px; }
}
@media (max-width: 620px) {
  .floaters { display: none; }
  .scroll-hint { display: none; }
  .cta-row .btn { width: 100%; justify-content: center; }
  .hero { padding-top: 158px; }
  .pre-star { width: 88px; height: 88px; }
  .pre-l1 { font-size: 8.5px; }
  .pre-l2 { font-size: 11.5px; }
}

[hidden] { display: none !important; }