/* ==========================================================================
   RichtIQ – Design System & Startseite
   Fonts:  Aileron (Display + Text), Geist Mono (Labels, Daten)
   Farben: Weiß / Schwarz, Akzent = IQ-Lila aus dem Logo
   ========================================================================== */

:root {
  /* Basis */
  --ink: #0a0a0c;
  --ink-2: #16161a;
  --ink-3: #26262c;
  --paper: #ffffff;
  --paper-2: #f7f7f9;
  --paper-3: #f0eff4;
  --line: #e8e7ee;
  --line-dark: rgba(255, 255, 255, .09);
  --muted: #696975;
  --muted-dark: #9a9aa6;

  /* IQ-Lila (aus dem Logo gemessen) */
  --iq-1: #d66afc;
  --iq-2: #b23cfc;
  --iq-3: #a836fd;
  --iq-deep: #7c1fe0;           /* für kleine Schrift auf Weiß (Kontrast) */
  --iq-soft: #f5ecff;
  --iq-grad: linear-gradient(120deg, var(--iq-1) 0%, var(--iq-3) 55%, #8a2cf6 100%);
  --iq-glow: 0 20px 60px -18px rgba(168, 54, 253, .55);

  /* Typo */
  --font-display: "Aileron", "Helvetica Neue", Arial, sans-serif;
  --font-text: "Aileron", "Helvetica Neue", Arial, sans-serif;
  --font-mono: "Geist Mono", ui-monospace, "SF Mono", Menlo, monospace;

  --fs-hero: clamp(2.7rem, 1.4rem + 4.4vw, 5.6rem);
  --fs-h2: clamp(2.2rem, 1.4rem + 3.2vw, 4.2rem);
  --fs-h3: clamp(1.25rem, 1.1rem + .5vw, 1.6rem);
  --fs-lead: clamp(1.05rem, 1rem + .3vw, 1.25rem);

  /* Raster */
  --wrap: 1240px;
  --gutter: clamp(16px, 4vw, 40px);
  --r-s: 10px;
  --r-m: 18px;
  --r-l: 28px;
  --r-xl: 36px;

  --ease: cubic-bezier(.2, .7, .1, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-text);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: clip; /* nicht hidden – sonst bricht position: sticky */
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; color: inherit; cursor: pointer; border: 0; background: none; }
::selection { background: var(--iq-3); color: #fff; }

.wrap { width: min(var(--wrap), 100% - 2 * var(--gutter)); margin-inline: auto; }

/* ---------- Typo-Bausteine ---------- */
.eyebrow {
  display: inline-flex; align-items: center; gap: 10px;
  font-family: var(--font-mono); font-size: 12px; font-weight: 500;
  letter-spacing: .14em; text-transform: uppercase; color: var(--muted);
}
.eyebrow::before {
  content: ""; width: 8px; height: 8px; border-radius: 2px;
  background: var(--iq-grad); transform: rotate(45deg);
}
.dark .eyebrow { color: var(--muted-dark); }

.h2 {
  font-family: var(--font-display); font-weight: 800;
  font-size: var(--fs-h2); line-height: 1.02; letter-spacing: -.035em;
  margin: 18px 0 0;
}
.lead { font-size: var(--fs-lead); color: var(--muted); line-height: 1.55; max-width: 56ch; }
.dark .lead { color: var(--muted-dark); }

/* Verlauf wie im Logo: Schwarz → Lila */
.fade-ink {
  background: linear-gradient(100deg, var(--ink) 0%, var(--ink) 38%, #6d2bb5 72%, var(--iq-3) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.dark .fade-ink {
  background: linear-gradient(100deg, #fff 0%, #fff 40%, #d9a6ff 75%, var(--iq-1) 100%);
  -webkit-background-clip: text; background-clip: text;
}
.iq {
  background: var(--iq-grad);
  -webkit-background-clip: text; background-clip: text; color: transparent;
  font-style: italic; padding-right: .06em;
}
.iq-plain { font-style: normal; }

/* ---------- Buttons ---------- */
.btn {
  --h: 52px;
  position: relative; display: inline-flex; align-items: center; gap: 12px;
  height: var(--h); padding: 0 8px 0 24px; border-radius: 999px;
  font-weight: 600; font-size: 15px; letter-spacing: -.01em;
  transition: transform .35s var(--ease), box-shadow .35s var(--ease), background .25s;
  white-space: nowrap;
}
.btn .arrow {
  display: grid; place-items: center; width: 38px; height: 38px; border-radius: 50%;
  transition: transform .35s var(--ease);
}
.btn:hover .arrow { transform: translateX(3px) rotate(-45deg); }
.btn-primary { background: var(--ink); color: #fff; }
.btn-primary .arrow { background: var(--iq-grad); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: var(--iq-glow); }
.btn-ghost { padding: 0 24px; border: 1px solid var(--line); background: rgba(255,255,255,.7); }
.btn-ghost:hover { border-color: var(--ink); }
.btn-light { background: #fff; color: var(--ink); }
.btn-light .arrow { background: var(--ink); color: #fff; }
.btn-light:hover { transform: translateY(-2px); box-shadow: 0 20px 60px -20px rgba(255,255,255,.5); }
.btn-ghost-dark { padding: 0 24px; border: 1px solid rgba(255,255,255,.18); color: #fff; }
.btn-ghost-dark:hover { border-color: #fff; }

/* ---------- Navigation ---------- */
.nav {
  position: fixed; inset: 14px 0 auto; z-index: 50;
  transition: transform .4s var(--ease);
}
.nav-inner {
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
  height: 64px; padding: 0 10px 0 22px; border-radius: 999px;
  background: rgba(255,255,255,.72);
  backdrop-filter: saturate(180%) blur(18px); -webkit-backdrop-filter: saturate(180%) blur(18px);
  border: 1px solid rgba(232,231,238,.9);
  box-shadow: 0 10px 40px -20px rgba(10,10,12,.18);
}
.nav-logo img { height: 30px; width: auto; }
.nav-links { display: flex; gap: 4px; }
.nav-links a {
  padding: 8px 14px; border-radius: 999px; font-size: 14.5px; font-weight: 500; color: #3a3a42;
  transition: background .2s, color .2s;
}
.nav-links a:hover { background: var(--paper-3); color: var(--ink); }
.nav-cta { display: flex; align-items: center; gap: 6px; }
.nav-cta .login { padding: 8px 14px; font-size: 14.5px; font-weight: 500; }
.nav-cta .btn { --h: 46px; font-size: 14px; padding-left: 20px; padding-right: 5px; }
.nav-cta .btn .arrow { width: 36px; height: 36px; }
.burger { display: none; width: 46px; height: 46px; border-radius: 50%; background: var(--ink); color: #fff; place-items: center; }

/* ---------- Hero ---------- */
.hero {
  position: relative; padding: 180px 0 120px; isolation: isolate; text-align: center;
}
/* Hintergrundvideo – abgedunkelt für Textkontrast */
.hero-media {
  position: absolute; z-index: -1; inset: 0 0 auto;
  height: max(680px, 100svh);
  overflow: hidden; background: var(--ink);
}
.hero-media video { width: 100%; height: 100%; object-fit: cover; display: block; }
.hero-media::after {
  content: ""; position: absolute; inset: 0;
  background:
    radial-gradient(60% 50% at 50% 100%, rgba(168,54,253,.28), transparent 70%),
    linear-gradient(180deg, rgba(10,10,12,.62) 0%, rgba(10,10,12,.48) 45%, rgba(10,10,12,.78) 100%);
}
.hero h1 { color: #fff; }
.hero .fade-ink {
  background: linear-gradient(100deg, #fff 0%, #fff 40%, #e2b8ff 72%, var(--iq-1) 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero .lead { color: rgba(255,255,255,.8); }
.hero .pill { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.18); color: #fff; box-shadow: none; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.hero .pill:hover { border-color: rgba(214,106,252,.7); }
.hero .btn-primary { background: #fff; color: var(--ink); }
.hero .btn-primary .arrow { color: #fff; }
.hero .btn-ghost { background: rgba(255,255,255,.08); border-color: rgba(255,255,255,.28); color: #fff; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.hero .btn-ghost:hover { border-color: #fff; }
.hero-trust { color: rgba(255,255,255,.72) !important; }
.hero-trust svg { color: var(--iq-1) !important; }
.hero-head { display: flex; flex-direction: column; align-items: center; }

.pill {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 6px 14px 6px 6px; border-radius: 999px;
  background: #fff; border: 1px solid var(--line);
  font-size: 13.5px; font-weight: 500; color: #3a3a42;
  box-shadow: 0 6px 24px -14px rgba(10,10,12,.25);
  transition: border-color .25s;
}
.pill:hover { border-color: #cdb6f2; }
.pill b {
  padding: 4px 10px; border-radius: 999px; background: var(--ink); color: #fff;
  font-family: var(--font-mono); font-size: 11px; letter-spacing: .08em; font-weight: 500; white-space: nowrap;
}
.pill b span { background: var(--iq-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

.hero h1 {
  font-family: var(--font-display); font-weight: 800;
  font-size: clamp(2.6rem, 1.2rem + 4.6vw, 5.8rem); line-height: 1.02; letter-spacing: -.048em;
  margin: 30px 0 0;
}
/* Zeilen gleiten aus einer Maske nach oben */
.hero h1 .ln { display: block; overflow: hidden; padding: 0 .08em .2em; margin-bottom: -.2em; }
.hero h1 .ln > span { display: inline-block; transform: translateY(110%); animation: rise 1.2s var(--ease) forwards; }
.hero h1 .ln:nth-child(2) > span { animation-delay: .12s; }
@keyframes rise { to { transform: none; } }
.hero-in { opacity: 0; transform: translateY(16px); animation: heroIn 1s var(--ease) forwards; animation-delay: var(--d, .3s); }
@keyframes heroIn { to { opacity: 1; transform: none; } }

.swoosh-word { position: relative; display: inline-block; }
.swoosh {
  position: absolute; left: -3%; bottom: -.15em; width: 106%; height: .22em;
  clip-path: inset(0 100% 0 0);
  animation: draw 1.2s .9s var(--ease) forwards;
}
@keyframes draw { to { clip-path: inset(0 0 0 0); } }

.hero .lead { margin: 30px auto 0; text-align: center; max-width: 50ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 38px; justify-content: center; }
.hero-trust {
  display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 26px; margin-top: 28px;
  font-size: 13.5px; color: var(--muted);
}
.hero-trust span { display: inline-flex; align-items: center; gap: 8px; }
.hero-trust svg { color: var(--iq-3); }

/* Produkt-Screen: richtet sich beim Scrollen auf (Cinema-Scroll) */
.screen-stage { position: relative; margin-top: 80px; perspective: 1800px; }
.screen-stage::before {
  content: ""; position: absolute; left: 10%; right: 10%; top: 18%; bottom: -6%; z-index: -1;
  background: radial-gradient(closest-side, rgba(168,54,253,.42), transparent);
  filter: blur(40px); opacity: var(--glow, .4);
}
.screen {
  --rx: 24deg; --sc: .9;
  position: relative; border-radius: 26px; padding: 1px;
  background: linear-gradient(160deg, rgba(214,106,252,.6), rgba(255,255,255,.08) 35%, rgba(168,54,253,.35));
  box-shadow: 0 80px 140px -60px rgba(30,10,60,.6);
  transform: rotateX(var(--rx)) scale(var(--sc)); transform-origin: 50% 0%;
  will-change: transform; text-align: left;
}
.scr {
  border-radius: 25px; overflow: hidden; background: #0e0e11; color: #fff;
  display: grid; grid-template-rows: 46px 1fr;
}
.scr-top { display: flex; align-items: center; gap: 8px; padding: 0 18px; border-bottom: 1px solid var(--line-dark); background: #121216; }
.scr-top i { width: 10px; height: 10px; border-radius: 50%; background: #2c2c33; }
.scr-top .url { margin: 0 auto; transform: translateX(-30px); padding: 5px 16px; border-radius: 8px; background: rgba(255,255,255,.05); font-family: var(--font-mono); font-size: 11px; color: var(--muted-dark); }
.scr-body { display: grid; grid-template-columns: 220px 1fr; min-height: 560px; }
.scr-side { border-right: 1px solid var(--line-dark); padding: 22px 14px; display: flex; flex-direction: column; gap: 2px; }
.scr-side img { width: 104px; margin: 0 8px 26px; }
.scr-side a { display: flex; align-items: center; gap: 12px; padding: 9px 12px; border-radius: 10px; font-size: 13.5px; color: var(--muted-dark); }
.scr-side a i { width: 16px; height: 16px; border-radius: 5px; border: 1.5px solid currentColor; opacity: .7; }
.scr-side a.on { background: rgba(255,255,255,.06); color: #fff; }
.scr-side a.on i { border-color: var(--iq-1); background: rgba(214,106,252,.25); opacity: 1; }
.scr-main { padding: 28px 30px; display: grid; gap: 18px; align-content: start; }
.scr-head { display: flex; justify-content: space-between; align-items: center; gap: 20px; }
.scr-head small { font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; color: var(--muted-dark); text-transform: uppercase; }
.scr-head h4 { margin: 4px 0 0; font-size: 22px; letter-spacing: -.025em; font-weight: 700; }
.scr-ask { display: flex; align-items: center; gap: 10px; padding: 9px 10px 9px 16px; min-width: 280px; border-radius: 12px; background: rgba(255,255,255,.05); border: 1px solid var(--line-dark); font-size: 13px; color: var(--muted-dark); }
.scr-ask span { flex: 1; }
.scr-ask b { width: 28px; height: 28px; border-radius: 8px; background: var(--iq-grad); display: grid; place-items: center; color: #fff; }
.scr-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.scr-kpi { padding: 16px; border-radius: 14px; background: rgba(255,255,255,.035); border: 1px solid var(--line-dark); }
.scr-kpi small { font-size: 12px; color: var(--muted-dark); }
.scr-kpi b { display: block; margin-top: 6px; font-size: 24px; letter-spacing: -.03em; font-variant-numeric: tabular-nums; }
.scr-kpi em { font-style: normal; font-size: 11.5px; color: #3ddc84; font-weight: 600; }
.scr-kpi.hl b { background: var(--iq-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.scr-grid { display: grid; grid-template-columns: 1.6fr 1fr; gap: 12px; }
.scr-panel { padding: 18px; border-radius: 14px; background: rgba(255,255,255,.035); border: 1px solid var(--line-dark); }
.scr-panel h5 { margin: 0 0 14px; font-size: 13.5px; font-weight: 600; display: flex; justify-content: space-between; }
.scr-panel h5 span { font-family: var(--font-mono); font-weight: 400; font-size: 11px; color: var(--muted-dark); }
.scr-chart { width: 100%; height: 170px; }
.scr-tips { display: grid; gap: 10px; }
.scr-tip { display: grid; grid-template-columns: 26px 1fr; gap: 12px; padding: 12px; border-radius: 12px; background: rgba(255,255,255,.04); font-size: 13px; line-height: 1.4; color: #d8d8de; }
.scr-tip i { width: 26px; height: 26px; border-radius: 8px; background: var(--iq-grad); display: grid; place-items: center; color: #fff; font-style: normal; }
.scr-tip small { display: block; color: var(--muted-dark); font-size: 11.5px; margin-top: 2px; }

/* ---------- Gewerke-Laufband ---------- */
.marquee-sec { padding: 34px 0; border-block: 1px solid var(--line); }
.marquee-label { text-align: center; font-size: 13.5px; color: var(--muted); margin-bottom: 18px; }
.marquee { display: flex; overflow: hidden; mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent); }
.marquee-track { display: flex; gap: 52px; padding-right: 52px; flex-shrink: 0; animation: slide 40s linear infinite; }
.marquee-track span {
  display: inline-flex; align-items: center; gap: 52px;
  font-family: var(--font-display); font-weight: 700; font-size: clamp(1.3rem, 1rem + 1vw, 1.9rem);
  letter-spacing: -.03em; color: #c4c3cc; white-space: nowrap;
}
.marquee-track span::after { content: "✦"; font-size: .6em; background: var(--iq-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
@keyframes slide { to { transform: translateX(-100%); } }

/* ---------- Sektionen allgemein ---------- */
section { position: relative; }
.sec { padding: 140px 0; }
.sec-head { display: grid; grid-template-columns: 1.2fr 1fr; gap: 40px; align-items: end; margin-bottom: 64px; }
.sec-head .lead { margin: 0; justify-self: end; }

.dark { background: var(--ink); color: #fff; }

/* ---------- Funktionen (gepinnte Scroll-Szenen) ---------- */
.features { position: relative; height: 260vh; }
.feat-sticky { position: sticky; top: 0; height: 100vh; display: flex; align-items: center; overflow: hidden; }
.feat-grid { display: grid; grid-template-columns: 1fr 1.12fr; gap: 80px; align-items: center; }
.feat-head-m { display: none; }
.feat-copy .h2 { font-size: clamp(2.2rem, 1.4rem + 2.4vw, 3.6rem); }

.feat-list { list-style: none; margin: 48px 0 0; padding: 0; border-top: 1px solid var(--line); }
.feat-item { border-bottom: 1px solid var(--line); }
.feat-item button {
  width: 100%; display: grid; grid-template-columns: 44px 1fr auto; align-items: center; gap: 8px;
  padding: 20px 0; text-align: left;
}
.feat-item .n { font-family: var(--font-mono); font-size: 12px; color: #b4b3bd; transition: color .4s; }
.feat-item .t { font-family: var(--font-display); font-size: 1.3rem; font-weight: 700; letter-spacing: -.025em; color: #b4b3bd; transition: color .4s; }
.feat-item .bar { width: 48px; height: 2px; border-radius: 2px; background: var(--line); overflow: hidden; }
.feat-item .bar i { display: block; height: 100%; background: var(--iq-grad); transform-origin: left; transform: scaleX(var(--fp, 0)); }
.feat-item .d { display: grid; grid-template-rows: 0fr; transition: grid-template-rows .6s var(--ease); }
.feat-item .d > p { overflow: hidden; margin: 0; padding-left: 52px; color: var(--muted); font-size: 15.5px; max-width: 48ch; opacity: 0; transition: opacity .5s; }
.feat-item.on .n { color: var(--iq-deep); }
.feat-item.on .t { color: var(--ink); }
.feat-item.on .d { grid-template-rows: 1fr; }
.feat-item.on .d > p { opacity: 1; padding-bottom: 22px; }

/* Bühne im Stil des IQ-Assistenten */
.feat-stage {
  position: relative; border-radius: var(--r-xl); padding: 1px;
  background: linear-gradient(160deg, rgba(214,106,252,.55), rgba(255,255,255,.06) 40%, rgba(168,54,253,.35));
  box-shadow: 0 60px 120px -50px rgba(120,30,200,.55);
}
.feat-stage-in {
  position: relative; height: min(72vh, 620px); border-radius: calc(var(--r-xl) - 1px); overflow: hidden;
  background: #0e0e11; color: #fff; isolation: isolate;
}
.feat-stage-in::before {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background: radial-gradient(60% 50% at 70% 100%, rgba(168,54,253,.35), transparent 70%);
}
.feat-stage-in::after {
  content: ""; position: absolute; inset: 0; z-index: -1;
  background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px); background-size: 26px 26px;
  mask-image: radial-gradient(70% 70% at 50% 50%, #000, transparent);
  -webkit-mask-image: radial-gradient(70% 70% at 50% 50%, #000, transparent);
}
.feat-count { position: absolute; top: 24px; left: 28px; z-index: 2; font-family: var(--font-mono); font-size: 12px; letter-spacing: .12em; color: var(--muted-dark); }
.feat-count b { color: #fff; font-weight: 500; }
.feat-tag { position: absolute; top: 20px; right: 24px; z-index: 2; font-family: var(--font-mono); font-size: 11px; letter-spacing: .1em; text-transform: uppercase; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line-dark); color: var(--iq-1); }

.scene {
  position: absolute; inset: 0; display: grid; place-items: center; padding: 70px 40px 40px;
  opacity: 0; transform: translateY(70px) scale(.97); filter: blur(8px);
  transition: opacity .8s var(--ease), transform .9s var(--ease), filter .8s var(--ease);
  pointer-events: none;
}
.scene.past { transform: translateY(-70px) scale(.97); }
.scene.on { opacity: 1; transform: none; filter: none; }
.scene-box { width: 100%; max-width: 470px; }

/* Szene 1 – KI-Angebot */
.qd-prompt { display: flex; align-items: center; gap: 12px; padding: 14px 16px; border-radius: 14px; background: rgba(255,255,255,.06); border: 1px solid var(--line-dark); font-size: 14.5px; }
.qd-prompt .spark { width: 28px; height: 28px; border-radius: 8px; flex-shrink: 0; background: var(--iq-grad); display: grid; place-items: center; color: #fff; }
.qd-prompt .caret { display: inline-block; width: 2px; height: 1em; background: var(--iq-1); vertical-align: -2px; margin-left: 2px; animation: blink 1s steps(1) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.qd-lines { margin-top: 16px; border-radius: 14px; background: rgba(255,255,255,.03); border: 1px solid var(--line-dark); padding: 4px 16px; }
.qd-line { display: grid; grid-template-columns: 28px 1fr auto; gap: 10px; align-items: center; padding: 13px 0; border-bottom: 1px solid var(--line-dark); font-size: 13.5px; color: #d8d8de; }
.qd-line:last-child { border-bottom: 0; }
.qd-line i { font-style: normal; font-family: var(--font-mono); font-size: 11px; color: var(--muted-dark); }
.qd-line b { font-weight: 600; color: #fff; font-variant-numeric: tabular-nums; white-space: nowrap; }
.qd-total { display: flex; justify-content: space-between; align-items: center; margin-top: 12px; padding: 16px 18px; border-radius: 14px; background: #fff; color: var(--ink); font-size: 14px; font-weight: 600; }
.qd-total b { font-size: 20px; white-space: nowrap; background: var(--iq-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }

/* Szene 2 – Plantafel */
.gantt-days { display: grid; grid-template-columns: 40px repeat(5, 1fr); gap: 0 10px; margin-bottom: 10px; font-family: var(--font-mono); font-size: 11px; color: var(--muted-dark); }
.gantt-days span:first-child { visibility: hidden; }
.gantt { display: grid; gap: 10px; }
.g-row { display: grid; grid-template-columns: 40px 1fr; gap: 10px; align-items: center; }
.g-av { width: 40px; height: 40px; border-radius: 50%; background: var(--ink-3); color: #fff; display: grid; place-items: center; font-size: 12px; font-weight: 700; }
.g-track { position: relative; height: 40px; border-radius: 10px; background: repeating-linear-gradient(90deg, rgba(255,255,255,.035) 0 calc(20% - 2px), transparent calc(20% - 2px) 20%); }
.g-track b { position: absolute; top: 4px; bottom: 4px; border-radius: 8px; font-size: 12px; font-weight: 600; display: flex; align-items: center; padding: 0 12px; white-space: nowrap; overflow: hidden; }
.g-track .w { background: #fff; color: var(--ink); }
.g-track .ghost { border: 1.5px dashed rgba(214,106,252,.75); color: var(--iq-1); background: rgba(214,106,252,.08); }
.b-iq { background: var(--iq-grad); }
.scene-note { margin-top: 18px; display: flex; align-items: center; gap: 10px; padding: 12px 14px; border-radius: 12px; background: rgba(255,255,255,.05); border: 1px solid var(--line-dark); font-size: 13px; color: #d8d8de; }
.scene-note i { width: 24px; height: 24px; border-radius: 7px; flex-shrink: 0; background: var(--iq-grad); display: grid; place-items: center; font-style: normal; }

/* Szene 3 – Mobile App */
.scene-phone { display: flex; align-items: center; justify-content: center; gap: 28px; }
.phone { width: 200px; height: 400px; border-radius: 38px; background: #1c1c21; padding: 9px; box-shadow: 0 40px 80px -30px rgba(0,0,0,.8), inset 0 0 0 1px rgba(255,255,255,.12); }
.phone-scr { height: 100%; border-radius: 30px; background: #fff; color: var(--ink); padding: 34px 16px 16px; text-align: center; display: flex; flex-direction: column; }
.phone-scr small { font-size: 10px; color: var(--muted); font-family: var(--font-mono); letter-spacing: .08em; }
.phone-scr h6 { margin: 4px 0 0; font-size: 15px; letter-spacing: -.02em; }
.ring { width: 128px; height: 128px; margin: 22px auto; border-radius: 50%; background: conic-gradient(var(--iq-1), var(--iq-3) 72%, var(--paper-3) 0); display: grid; place-items: center; }
.ring div { width: 106px; height: 106px; border-radius: 50%; background: #fff; display: grid; place-items: center; font-weight: 800; font-size: 24px; letter-spacing: -.03em; }
.phone-row { display: flex; justify-content: space-between; font-size: 11.5px; padding: 8px 4px; border-top: 1px solid var(--line); }
.phone-btn { margin-top: auto; padding: 11px; border-radius: 12px; background: var(--ink); color: #fff; font-size: 12px; font-weight: 600; }
.phone-side { display: grid; gap: 12px; }
.phone-side div { padding: 14px 16px; border-radius: 14px; background: rgba(255,255,255,.05); border: 1px solid var(--line-dark); font-size: 13px; }
.phone-side small { display: block; color: var(--muted-dark); font-size: 11.5px; }

/* Szene 4 – E-Rechnung */
.invoice { background: #fff; color: var(--ink); border-radius: 18px; padding: 24px; box-shadow: 0 40px 80px -30px rgba(0,0,0,.7); }
.inv-head { display: flex; justify-content: space-between; align-items: start; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.inv-head img { width: 92px; }
.inv-head div { text-align: right; font-size: 12px; color: var(--muted); }
.inv-head div b { display: block; color: var(--ink); font-size: 14px; }
.inv-line { display: flex; justify-content: space-between; padding: 11px 0; font-size: 13px; border-bottom: 1px dashed var(--line); }
.inv-line b { font-variant-numeric: tabular-nums; }
.inv-sum { display: flex; justify-content: space-between; align-items: center; padding-top: 14px; font-weight: 700; }
.inv-sum b { font-size: 20px; letter-spacing: -.02em; }
.inv-flow { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 18px; }
.inv-flow span { display: inline-flex; align-items: center; gap: 8px; font-size: 12.5px; padding: 8px 12px; border-radius: 999px; background: rgba(255,255,255,.06); border: 1px solid var(--line-dark); }
.inv-flow span svg { color: #3ddc84; }

/* ---------- KI-Sektion (dunkel) ---------- */
.ai { overflow: hidden; }
.ai::before {
  content: ""; position: absolute; width: 900px; height: 900px; right: -300px; top: -200px; border-radius: 50%;
  background: radial-gradient(circle, rgba(168,54,253,.28), transparent 60%); pointer-events: none;
}
.ai::after {
  content: ""; position: absolute; inset: 0; pointer-events: none;
  background-image: radial-gradient(rgba(255,255,255,.07) 1px, transparent 1px);
  background-size: 28px 28px;
  mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 30%, #000 70%, transparent);
}
.ai-grid { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1.05fr; gap: 72px; align-items: center; }
.ai-list { list-style: none; padding: 0; margin: 40px 0 0; display: grid; gap: 4px; }
.ai-list li { display: grid; grid-template-columns: 44px 1fr; gap: 16px; padding: 18px 0; border-top: 1px solid var(--line-dark); }
.ai-list li:last-child { border-bottom: 1px solid var(--line-dark); }
.ai-list .n { font-family: var(--font-mono); font-size: 12px; color: var(--iq-1); padding-top: 4px; }
.ai-list b { display: block; font-size: 17px; letter-spacing: -.01em; }
.ai-list span { color: var(--muted-dark); font-size: 15px; }

.chat {
  position: relative; border-radius: var(--r-l); padding: 1px;
  background: linear-gradient(160deg, rgba(214,106,252,.55), rgba(255,255,255,.06) 40%, rgba(168,54,253,.35));
  box-shadow: 0 60px 120px -40px rgba(168,54,253,.45);
}
.chat-in { border-radius: calc(var(--r-l) - 1px); background: #111114; padding: 22px; min-height: 480px; display: flex; flex-direction: column; }
.chat-head { display: flex; align-items: center; gap: 12px; padding-bottom: 18px; border-bottom: 1px solid var(--line-dark); }
.chat-head img { width: 34px; height: auto; }
.chat-head b { font-size: 15px; display: block; line-height: 1.2; }
.chat-head small { color: var(--muted-dark); font-size: 12px; display: inline-flex; align-items: center; gap: 6px; }
.chat-head small::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: #3ddc84; box-shadow: 0 0 10px #3ddc84; }
.chat-body { flex: 1; display: flex; flex-direction: column; gap: 12px; padding: 20px 0; }
.msg { max-width: 86%; padding: 12px 16px; border-radius: 16px; font-size: 14.5px; line-height: 1.5; opacity: 0; transform: translateY(10px); transition: all .5s var(--ease); }
.msg.show { opacity: 1; transform: none; }
.msg.me { align-self: flex-end; background: #fff; color: var(--ink); border-bottom-right-radius: 5px; }
.msg.bot { align-self: flex-start; background: var(--ink-3); border-bottom-left-radius: 5px; }
.msg.bot .res { margin-top: 10px; display: grid; gap: 6px; }
.msg.bot .res div { display: flex; justify-content: space-between; gap: 16px; padding: 8px 10px; border-radius: 9px; background: rgba(255,255,255,.05); font-size: 13px; }
.msg.bot .res div b { font-variant-numeric: tabular-nums; }
.msg.bot .res div.sum { background: var(--iq-grad); font-weight: 700; }
.typing { display: inline-flex; gap: 4px; padding: 14px 16px; }
.typing i { width: 6px; height: 6px; border-radius: 50%; background: var(--muted-dark); animation: typ 1.2s infinite; }
.typing i:nth-child(2) { animation-delay: .15s; } .typing i:nth-child(3) { animation-delay: .3s; }
@keyframes typ { 30% { transform: translateY(-4px); background: var(--iq-1); } }
.chat-input { display: flex; align-items: center; gap: 10px; padding: 8px 8px 8px 16px; border-radius: 14px; background: rgba(255,255,255,.05); border: 1px solid var(--line-dark); font-size: 14px; color: var(--muted-dark); }
.chat-input span { flex: 1; }
.chat-input button { width: 36px; height: 36px; border-radius: 10px; background: var(--iq-grad); display: grid; place-items: center; color: #fff; }
.chat-sugg { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 12px; }
.chat-sugg span { font-size: 12px; padding: 6px 12px; border-radius: 999px; border: 1px solid var(--line-dark); color: var(--muted-dark); }

/* ---------- Workflow ---------- */
.flow { position: relative; display: grid; grid-template-columns: repeat(5, 1fr); gap: 16px; }
.flow-line { position: absolute; left: 0; right: 0; top: 27px; height: 2px; background: var(--line); }
.flow-line i { position: absolute; inset: 0; background: var(--iq-grad); transform-origin: left; transform: scaleX(var(--p, 0)); transition: transform .2s linear; }
.step { position: relative; }
.step .num {
  position: relative; z-index: 1; width: 56px; height: 56px; border-radius: 50%;
  display: grid; place-items: center; background: #fff; border: 1px solid var(--line);
  font-family: var(--font-mono); font-size: 13px; font-weight: 500;
  transition: all .5s var(--ease);
}
.step.on .num { background: var(--ink); color: #fff; border-color: var(--ink); box-shadow: 0 0 0 6px var(--iq-soft); }
.step h3 { margin: 26px 0 0; font-size: 1.3rem; letter-spacing: -.025em; }
.step p { margin: 8px 0 0; color: var(--muted); font-size: 15px; }
.step .tip { margin-top: 16px; display: inline-flex; gap: 8px; align-items: flex-start; padding: 10px 12px; border-radius: 12px; background: var(--iq-soft); color: #4b1890; font-size: 13px; line-height: 1.4; }
.step .tip b { font-style: italic; background: var(--iq-grad); -webkit-background-clip: text; background-clip: text; color: transparent; font-weight: 800; }

/* ---------- Branchen ---------- */
.trades { background: var(--paper-2); border-block: 1px solid var(--line); }
.tabs { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 28px; }
.tab {
  padding: 11px 18px; border-radius: 999px; border: 1px solid var(--line); background: #fff;
  font-size: 14.5px; font-weight: 600; transition: all .25s;
}
.tab:hover { border-color: var(--ink); }
.tab[aria-selected="true"] { background: var(--ink); color: #fff; border-color: var(--ink); }
.trade-panel {
  display: grid; grid-template-columns: 1.1fr 1fr; border-radius: var(--r-xl); overflow: hidden;
  background: #fff; border: 1px solid var(--line); min-height: 440px;
}
.tp-text { padding: 52px; display: flex; flex-direction: column; }
.tp-text h3 { font-family: var(--font-display); font-size: clamp(1.8rem, 1.3rem + 1.6vw, 2.8rem); line-height: 1.05; letter-spacing: -.035em; margin: 18px 0 0; font-weight: 800; }
.tp-text p { color: var(--muted); margin: 16px 0 0; max-width: 46ch; }
.tp-feats { list-style: none; padding: 0; margin: auto 0 0; display: grid; gap: 10px; padding-top: 30px; }
.tp-feats li { display: flex; align-items: center; gap: 12px; font-weight: 500; }
.tp-feats li::before { content: ""; width: 20px; height: 20px; flex-shrink: 0; border-radius: 6px; background: var(--iq-grad) center/12px no-repeat; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3.2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M5 12.5l4.5 4.5L19 7'/%3E%3C/svg%3E"), var(--iq-grad); background-size: 12px, cover; }
.tp-visual {
  position: relative; background: var(--ink); color: #fff; overflow: hidden;
  display: flex; flex-direction: column; justify-content: space-between; padding: 40px;
}
.tp-visual::before { content: ""; position: absolute; width: 520px; height: 520px; right: -160px; bottom: -200px; border-radius: 50%; background: radial-gradient(circle, rgba(168,54,253,.45), transparent 62%); }
.tp-big { position: relative; font-family: var(--font-display); font-weight: 800; font-size: clamp(5rem, 3rem + 7vw, 9rem); line-height: .85; letter-spacing: -.06em; }
.tp-kicker { display: block; font-size: 12.5px; letter-spacing: .16em; font-family: var(--font-mono); font-weight: 400; color: var(--muted-dark); margin-bottom: 22px; }
.tp-dot { background: var(--iq-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.tp-meta { position: relative; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.tp-meta div { padding: 16px; border-radius: 16px; background: rgba(255,255,255,.06); border: 1px solid var(--line-dark); backdrop-filter: blur(8px); }
.tp-meta small { display: block; color: var(--muted-dark); font-size: 12px; }
.tp-meta b { font-size: 15px; }
.trade-panel.swap .tp-text > *, .trade-panel.swap .tp-visual > * { animation: fadeUp .5s var(--ease) both; }
@keyframes fadeUp { from { opacity: 0; transform: translateY(12px); } }

/* ---------- Zahlen + Stimme ---------- */
.stats { display: grid; grid-template-columns: repeat(4, 1fr); border-top: 1px solid var(--line); }
.stat { padding: 40px 28px 0 0; }
.stat + .stat { padding-left: 28px; border-left: 1px solid var(--line); }
.stat b { display: block; font-family: var(--font-display); font-weight: 800; font-size: clamp(3rem, 2rem + 3vw, 5rem); line-height: 1; letter-spacing: -.05em; }
.stat b em { font-style: normal; background: var(--iq-grad); -webkit-background-clip: text; background-clip: text; color: transparent; }
.stat span { display: block; margin-top: 12px; color: var(--muted); font-size: 15px; max-width: 24ch; }
.foot-note { margin-top: 26px; font-size: 12px; color: #a3a3ad; }

.voice { display: grid; grid-template-columns: 220px 1fr; gap: 56px; margin-top: 120px; align-items: start; }
.voice blockquote {
  margin: 0; font-family: var(--font-display); font-weight: 700;
  font-size: clamp(1.7rem, 1.2rem + 1.8vw, 2.9rem); line-height: 1.15; letter-spacing: -.035em;
}
.voice blockquote .q { color: #c9c8d1; }
.voice cite { display: flex; align-items: center; gap: 14px; margin-top: 32px; font-style: normal; }
.voice cite .av { width: 48px; height: 48px; border-radius: 50%; background: var(--iq-grad); display: grid; place-items: center; color: #fff; font-weight: 800; }
.voice cite b { display: block; }
.voice cite small { color: var(--muted); }
.voice-side { font-family: var(--font-mono); font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); padding-top: 12px; }

/* ---------- Vertrauen ---------- */
.trust { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 120px; }
.trust div { padding: 26px; border-radius: var(--r-m); border: 1px solid var(--line); }
.trust svg { color: var(--iq-3); margin-bottom: 18px; }
.trust b { display: block; font-size: 16px; letter-spacing: -.01em; }
.trust span { color: var(--muted); font-size: 14px; }

/* ---------- CTA ---------- */
.cta-sec { padding: 0 0 120px; }
.cta {
  position: relative; overflow: hidden; isolation: isolate;
  border-radius: var(--r-xl); padding: clamp(56px, 8vw, 110px) clamp(24px, 6vw, 80px);
  background: var(--ink); color: #fff; text-align: center;
}
.cta::before {
  content: ""; position: absolute; z-index: -1; left: 50%; top: 100%; width: 1100px; height: 700px;
  transform: translate(-50%, -50%); border-radius: 50%;
  background: radial-gradient(closest-side, rgba(214,106,252,.6), rgba(168,54,253,.25) 50%, transparent);
}
.cta::after {
  content: ""; position: absolute; z-index: -1; inset: 0;
  background-image: linear-gradient(rgba(255,255,255,.05) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,.05) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(60% 70% at 50% 100%, #000, transparent);
  -webkit-mask-image: radial-gradient(60% 70% at 50% 100%, #000, transparent);
}
.cta .h2 { max-width: 15ch; margin-inline: auto; }
.cta .lead { margin: 22px auto 0; }
.cta .hero-actions { justify-content: center; }

/* ---------- Footer ---------- */
.footer { background: var(--ink); color: #fff; padding: 110px 0 40px; }
.f-grid { display: grid; grid-template-columns: 1.6fr repeat(3, 1fr); gap: 40px; }
.f-brand img { height: 46px; width: auto; }
.f-brand p { color: var(--muted-dark); max-width: 34ch; margin: 20px 0 0; font-size: 15px; }
.f-col h4 { font-family: var(--font-mono); font-size: 11.5px; font-weight: 500; letter-spacing: .12em; text-transform: uppercase; color: var(--muted-dark); margin: 0 0 18px; }
.f-col a { display: block; padding: 5px 0; color: #d8d8de; font-size: 15px; transition: color .2s; }
.f-col a:hover { color: var(--iq-1); }
.f-mega {
  margin-top: 90px; font-family: var(--font-display); font-weight: 800; letter-spacing: -.06em; line-height: .8;
  font-size: clamp(4.5rem, 21vw, 19rem); white-space: nowrap; user-select: none;
  background: linear-gradient(180deg, rgba(255,255,255,.14), rgba(255,255,255,0) 85%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.f-mega em { font-style: italic; background: linear-gradient(180deg, rgba(214,106,252,.6), rgba(168,54,253,0) 85%); -webkit-background-clip: text; background-clip: text; }
.f-bottom { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; padding-top: 28px; border-top: 1px solid var(--line-dark); color: var(--muted-dark); font-size: 13.5px; }
.f-bottom nav { display: flex; gap: 22px; }

/* ---------- Scroll-Reveal ---------- */
.rv { opacity: 0; transform: translateY(28px); transition: opacity .9s var(--ease), transform .9s var(--ease); transition-delay: var(--d, 0s); }
.rv.in { opacity: 1; transform: none; }

/* ---------- Responsive ---------- */
@media (max-width: 1080px) {
  .nav-links { display: none; }
  .ai-grid { grid-template-columns: 1fr; gap: 72px; }
  .scr-body { grid-template-columns: 1fr; }
  .scr-side { display: none; }
  .scr-ask { display: none; }
  .scr-kpis { grid-template-columns: repeat(2, 1fr); }
  .feat-grid { gap: 48px; }
  .sec-head { grid-template-columns: 1fr; }
  .sec-head .lead { justify-self: start; }
  .flow { grid-template-columns: 1fr; gap: 32px; padding-left: 80px; }
  .flow-line { left: 27px; right: auto; top: 0; bottom: 0; width: 2px; height: auto; }
  .flow-line i { transform-origin: top; transform: scaleY(var(--p, 0)); }
  .step .num { position: absolute; left: -80px; top: 0; }
  .step h3 { margin-top: 12px; }
  .trade-panel { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .stat:nth-child(3) { border-left: 0; padding-left: 0; }
  .trust { grid-template-columns: 1fr 1fr; }
  .f-grid { grid-template-columns: 1fr 1fr; }
  .f-brand { grid-column: span 2; }
}
@media (max-width: 900px) {
  /* Funktionen: Bühne oben, Liste darunter */
  .feat-head-m { display: block; padding: 120px 0 0; }
  .feat-head-d { display: none; }
  .feat-grid { grid-template-columns: 1fr; gap: 22px; }
  .feat-stage { order: -1; }
  .feat-stage-in { height: min(52vh, 460px); }
  .feat-list { margin-top: 0; }
  .feat-item button { padding: 14px 0; }
  .feat-item .t { font-size: 1.1rem; }
  .feat-item.on .d > p { padding-bottom: 14px; }
  .scene { padding: 50px 24px 20px; }
  .scene-box, .scene-phone { transform: scale(.8); }
}
@media (max-width: 680px) {
  .sec { padding: 96px 0; }
  .nav { inset: 10px 0 auto; }
  .nav-inner { height: 58px; padding-left: 18px; }
  .nav-logo img { height: 26px; }
  .nav-cta .login, .nav-cta .btn { display: none; }
  .burger { display: grid; }
  .hero { padding: 130px 0 80px; }
  .hero-media { height: max(640px, 100svh); }
  .screen-stage { margin-top: 56px; }
  .scr-main { padding: 18px; }
  .scr-head h4 { font-size: 17px; }
  .scr-kpi b { font-size: 19px; }
  .scr-grid { grid-template-columns: 1fr; }
  .scr-panel.tips { display: none; }
  .feat-head-m { padding-top: 96px; }
  .feat-item .d > p { padding-left: 52px; font-size: 14.5px; }
  .scene { padding: 56px 18px 18px; }
  .scene-box, .scene-phone { transform: scale(.72); }
  .phone-side { display: none; }
  .flow { padding-left: 72px; }
  .step .num { left: -72px; width: 52px; height: 52px; }
  .flow-line { left: 25px; }
  .tp-text, .tp-visual { padding: 30px 24px; }
  .stats { grid-template-columns: 1fr; }
  .stat, .stat + .stat { padding: 28px 0; border-left: 0; border-bottom: 1px solid var(--line); }
  .voice { grid-template-columns: 1fr; gap: 20px; margin-top: 80px; }
  .trust { grid-template-columns: 1fr; margin-top: 80px; }
  .f-grid { grid-template-columns: 1fr 1fr; }
  .f-bottom nav { flex-wrap: wrap; }
}

/* Mobile-Menü */
.m-menu {
  position: fixed; inset: 0; z-index: 60; background: var(--ink); color: #fff;
  padding: 100px var(--gutter) 40px; display: flex; flex-direction: column; gap: 6px;
  opacity: 0; pointer-events: none; transition: opacity .35s var(--ease);
}
.m-menu.open { opacity: 1; pointer-events: auto; }
.m-menu a { font-family: var(--font-display); font-size: 2.2rem; font-weight: 700; letter-spacing: -.03em; padding: 6px 0; border-bottom: 1px solid var(--line-dark); }
.m-menu .btn { margin-top: 30px; align-self: flex-start; font-size: 15px; font-family: var(--font-text); border: 0; }
.m-close { position: absolute; top: 18px; right: var(--gutter); width: 46px; height: 46px; border-radius: 50%; background: #fff; color: var(--ink); display: grid; place-items: center; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .rv { opacity: 1; transform: none; }
  .swoosh { clip-path: none; }
  .hero h1 .ln > span, .hero-in { transform: none; opacity: 1; }
  .msg { opacity: 1; transform: none; }
}