/* ==========================================================================
   Neumann Digital Systems — Premium Onepage · v2
   Dark Premium Business · handgebaut, framework-frei
   v2: tieferes Farbsystem (Fast Black Navy), Radial-Layer, Border-Gradients,
       Button-Shine, Floating Hero-Cards, Angebotssektion, Scrollspy-States
   ========================================================================== */

/* ---------- Tokens ------------------------------------------------------ */
:root {
  color-scheme: dark;

  /* Basis-Palette */
  --black-navy: #030711;
  --navy: #08111F;
  --ink: #0B1628;
  --graphite: #111827;
  --elevated: #172235;
  --cyan: #5ED3F3;
  --teal: #1BA6B8;
  --champagne: #D8BD7A;
  --platinum: #F3EEE2;
  --white: #F7FAFC;
  --steel: #9EAABD;

  --bg: var(--black-navy);
  --surface: var(--graphite);
  --surface-2: var(--elevated);
  --line: rgba(255, 255, 255, .10);
  --line-strong: rgba(255, 255, 255, .16);
  --line-active: rgba(94, 211, 243, .35);
  --glow-cyan-soft: rgba(94, 211, 243, .18);
  --glow-champagne-soft: rgba(216, 189, 122, .16);

  --max-page: 1180px;
  --gutter: clamp(1.1rem, 4vw, 3rem);

  --fs-xs: clamp(.78rem, .74rem + .2vw, .9rem);
  --fs-sm: clamp(.9rem, .85rem + .25vw, 1rem);
  --fs-md: clamp(1rem, .95rem + .3vw, 1.125rem);
  --fs-lg: clamp(1.15rem, 1rem + .8vw, 1.45rem);
  --fs-xl: clamp(1.55rem, 1.15rem + 2vw, 2.4rem);
  --fs-2xl: clamp(2.1rem, 1.3rem + 4vw, 4.2rem);

  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;

  --ease-out: cubic-bezier(.16, 1, .3, 1);
  --ease-soft: cubic-bezier(.22, .61, .36, 1);
  --dur-fast: 150ms;
  --dur-base: 240ms;
  --dur-slow: 620ms;

  --shadow-card: 0 1px 0 rgba(247, 250, 252, .05) inset, 0 24px 70px rgba(1, 4, 10, .6);
  --glow-cyan: 0 0 0 1px var(--line-active), 0 8px 40px var(--glow-cyan-soft);
  --glow-champagne: 0 0 0 1px rgba(216, 189, 122, .32), 0 10px 44px var(--glow-champagne-soft);

  --font-sans: "Segoe UI Variable Display", "Segoe UI", -apple-system, BlinkMacSystemFont,
               Inter, Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html {
  min-width: 0;
  overflow-x: clip;
  scroll-behavior: smooth;
  scroll-padding-top: 5.5rem;
  text-size-adjust: 100%;
}

body {
  min-width: 0;
  margin: 0;
  overflow-x: clip;
  background:
    radial-gradient(120% 60% at 85% -5%, rgba(27, 166, 184, .10), transparent 55%),
    radial-gradient(90% 50% at 8% 12%, rgba(94, 211, 243, .05), transparent 60%),
    var(--bg);
  color: var(--white);
  font-family: var(--font-sans);
  font-size: var(--fs-md);
  line-height: 1.6;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

main, section, article, header, footer, nav, div, figure { min-width: 0; }

img, svg, video, canvas, iframe { display: block; max-width: 100%; }
img, video { height: auto; }
figure { margin: 0; }

p, li, dd, figcaption { overflow-wrap: anywhere; }

h1, h2, h3 {
  margin: 0;
  line-height: 1.12;
  letter-spacing: -.022em;
  font-weight: 650;
  text-wrap: balance;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: .2em; }

button { font: inherit; color: inherit; }

::selection { background: rgba(94, 211, 243, .3); }

:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 4px;
  box-shadow: 0 0 0 6px rgba(94, 211, 243, .12);
}

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

.section { padding-block: clamp(4rem, 9vw, 7.5rem); position: relative; }
.section--surface {
  background:
    linear-gradient(180deg, rgba(11, 22, 40, 0) 0%, rgba(11, 22, 40, .7) 12%, rgba(11, 22, 40, .7) 88%, rgba(11, 22, 40, 0) 100%);
}

/* Ruhige Hintergrund-Aurora fuer ausgewaehlte Sektionen */
.section--glow { overflow: clip; isolation: isolate; }
.section--glow::before {
  content: "";
  position: absolute;
  inset: -20% -10%;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(46% 34% at 18% 22%, rgba(27, 166, 184, .09), transparent 70%),
    radial-gradient(40% 30% at 82% 74%, rgba(216, 189, 122, .05), transparent 70%);
}
@media (prefers-reduced-motion: no-preference) {
  .section--glow::before { animation: aurora-drift 26s var(--ease-soft) infinite alternate; }
  @keyframes aurora-drift {
    from { transform: translate3d(-1.5%, -1%, 0) scale(1); }
    to { transform: translate3d(1.5%, 1.5%, 0) scale(1.04); }
  }
}

/* ---------- Typo-Bausteine ---------------------------------------------- */
.eyebrow {
  margin: 0 0 .9rem;
  font-size: var(--fs-xs);
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--champagne);
}

.section-head { max-width: 46rem; }
.section-head h2 { font-size: var(--fs-xl); }
.section-head--center { margin-inline: auto; text-align: center; }

.section-lead {
  margin: 1.1rem 0 0;
  color: var(--steel);
  font-size: var(--fs-md);
  max-width: 42rem;
}
.section-head--center .section-lead { margin-inline: auto; }

.visual-caption {
  margin-top: .7rem;
  font-size: var(--fs-xs);
  color: var(--steel);
  letter-spacing: .02em;
}

/* ---------- Skip-Link ---------------------------------------------------- */
.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 200;
  padding: .7rem 1.1rem;
  background: var(--graphite);
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  color: var(--white);
  transition: top var(--dur-fast) var(--ease-out);
}
.skip-link:focus-visible { top: 1rem; }

/* ---------- Buttons ------------------------------------------------------ */
.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: .55rem;
  min-height: 3rem;
  padding: .75rem 1.5rem;
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 600;
  font-size: var(--fs-sm);
  letter-spacing: .01em;
  cursor: pointer;
  text-decoration: none;
  overflow: clip;
  transform: translateZ(0);
  transition:
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    background var(--dur-base) var(--ease-out);
}
.button:hover { text-decoration: none; }

/* Shine-Sweep */
.button::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(115deg, transparent 30%, rgba(247, 250, 252, .34) 50%, transparent 70%);
  transform: translateX(-130%);
  pointer-events: none;
}
@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .button:hover::before { transition: transform .7s var(--ease-soft); transform: translateX(130%); }
}

.button__arrow {
  display: inline-block;
  transition: transform var(--dur-base) var(--ease-out);
}
@media (hover: hover) {
  .button:hover .button__arrow { transform: translateX(4px); }
}

.button--primary {
  color: #041019;
  background: linear-gradient(135deg, #8fe3fa 0%, var(--cyan) 42%, var(--teal) 100%);
  box-shadow: 0 0 0 1px rgba(94, 211, 243, .38), 0 10px 34px var(--glow-cyan-soft);
}
@media (hover: hover) {
  .button--primary:hover {
    transform: translateY(-1px);
    box-shadow: 0 0 0 1px rgba(216, 189, 122, .55), 0 14px 48px rgba(94, 211, 243, .30);
  }
}
.button--primary:active { transform: translateY(0) scale(.985); }

.button--ghost {
  color: var(--white);
  border-color: var(--line-strong);
  background: rgba(23, 34, 53, .5);
}
@media (hover: hover) {
  .button--ghost:hover {
    transform: translateY(-1px);
    border-color: rgba(216, 189, 122, .5);
    box-shadow: var(--glow-champagne);
  }
}
.button--ghost:active { transform: translateY(0) scale(.985); }

.button--sm { min-height: 2.5rem; padding: .45rem 1.1rem; }
.button--wide { width: 100%; }

/* ---------- Header ------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(3, 7, 17, .58);
  border-bottom: 1px solid transparent;
  transition: background var(--dur-base) var(--ease-soft), border-color var(--dur-base) var(--ease-soft), box-shadow var(--dur-base) var(--ease-soft);
}
@supports (backdrop-filter: blur(1px)) {
  .site-header { backdrop-filter: blur(14px) saturate(1.3); }
}
.site-header.is-scrolled {
  background: rgba(3, 7, 17, .84);
  border-bottom-color: var(--line);
  box-shadow: 0 18px 50px rgba(1, 4, 10, .45);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 4.25rem;
}

.brand { display: inline-flex; align-items: center; gap: .8rem; color: var(--white); min-width: 0; }
.brand:hover { text-decoration: none; }
.brand__mark {
  width: 44px; height: 44px;
  border-radius: 12px;
  border: 1px solid var(--line);
  flex: 0 0 auto;
}
.brand__text { display: grid; line-height: 1.22; min-width: 0; }
.brand__name { font-size: var(--fs-sm); font-weight: 400; letter-spacing: .01em; }
.brand__name b { font-weight: 700; }
.brand__tag { font-size: .68rem; letter-spacing: .14em; text-transform: uppercase; color: var(--steel); }

.nav-desktop { display: none; gap: clamp(.9rem, 2vw, 1.7rem); }
.nav-desktop a {
  position: relative;
  color: var(--steel);
  font-size: var(--fs-sm);
  font-weight: 500;
  padding-block: .4rem;
  transition: color var(--dur-fast) var(--ease-out);
}
.nav-desktop a::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), var(--champagne));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--dur-base) var(--ease-out);
}
.nav-desktop a:hover { color: var(--white); text-decoration: none; }
.nav-desktop a:hover::after { transform: scaleX(1); }
.nav-desktop a.is-active { color: var(--white); }
.nav-desktop a.is-active::after { transform: scaleX(1); }

.header__actions { display: flex; align-items: center; gap: .8rem; }
.header__actions .button--primary { display: none; }

.scroll-progress {
  position: absolute;
  inset: auto 0 -1px;
  height: 2px;
  pointer-events: none;
}
.scroll-progress i {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--teal), var(--cyan) 55%, var(--champagne));
  transform: scaleX(0);
  transform-origin: left;
}

/* Burger */
.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
  min-height: 2.75rem;
  padding: .4rem .9rem;
  background: rgba(23, 34, 53, .55);
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  cursor: pointer;
}
.nav-toggle__bars { display: grid; gap: 5px; width: 18px; }
.nav-toggle__bars i {
  height: 2px; border-radius: 2px;
  background: var(--white);
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
}
.nav-toggle__label { font-size: var(--fs-xs); font-weight: 600; letter-spacing: .06em; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:first-child { transform: translateY(3.5px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars i:last-child { transform: translateY(-3.5px) rotate(-45deg); }

@media (max-width: 439.98px) {
  .brand__tag { display: none; }
  .nav-toggle__label { display: none; }
  .nav-toggle { padding: .55rem .8rem; }
}

@media (min-width: 900px) {
  .nav-desktop { display: flex; }
  .header__actions .button--primary { display: inline-flex; }
  .nav-toggle { display: none; }
  .mobile-menu { display: none; }
}

/* Mobile-Menü */
.mobile-menu {
  position: fixed;
  inset: 4.25rem 0 auto;
  z-index: 99;
  padding: 1.4rem var(--gutter) 2rem;
  background: rgba(3, 7, 17, .96);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 40px 80px rgba(1, 4, 10, .65);
  transform: translateY(-.6rem);
  opacity: 0;
  transition: transform var(--dur-base) var(--ease-out), opacity var(--dur-base) var(--ease-out);
}
@supports (backdrop-filter: blur(1px)) {
  .mobile-menu { backdrop-filter: blur(18px); background: rgba(3, 7, 17, .88); }
}
.mobile-menu.is-open { transform: translateY(0); opacity: 1; }
.mobile-menu__nav { display: grid; }
.mobile-menu__nav a {
  padding: .85rem .2rem;
  color: var(--white);
  font-size: var(--fs-lg);
  font-weight: 600;
  letter-spacing: -.01em;
  border-bottom: 1px solid var(--line);
}
.mobile-menu__nav a:hover { color: var(--cyan); text-decoration: none; }

/* gestaffelter Einlauf der Menuepunkte */
@media (prefers-reduced-motion: no-preference) {
  .mobile-menu__nav a, .mobile-menu__cta, .mobile-menu__meta {
    opacity: 0;
    transform: translateY(-.45rem);
    transition: opacity .4s var(--ease-soft), transform .4s var(--ease-soft);
  }
  .mobile-menu.is-open .mobile-menu__nav a,
  .mobile-menu.is-open .mobile-menu__cta,
  .mobile-menu.is-open .mobile-menu__meta { opacity: 1; transform: none; }
  .mobile-menu.is-open .mobile-menu__nav a:nth-child(1) { transition-delay: .04s; }
  .mobile-menu.is-open .mobile-menu__nav a:nth-child(2) { transition-delay: .08s; }
  .mobile-menu.is-open .mobile-menu__nav a:nth-child(3) { transition-delay: .12s; }
  .mobile-menu.is-open .mobile-menu__nav a:nth-child(4) { transition-delay: .16s; }
  .mobile-menu.is-open .mobile-menu__nav a:nth-child(5) { transition-delay: .20s; }
  .mobile-menu.is-open .mobile-menu__nav a:nth-child(6) { transition-delay: .24s; }
  .mobile-menu.is-open .mobile-menu__nav a:nth-child(7) { transition-delay: .28s; }
  .mobile-menu.is-open .mobile-menu__cta { transition-delay: .32s; }
  .mobile-menu.is-open .mobile-menu__meta { transition-delay: .38s; }
}
.mobile-menu__cta { margin-top: 1.2rem; width: 100%; }
.mobile-menu__meta { margin: 1rem 0 0; font-size: var(--fs-xs); color: var(--steel); }

/* ---------- Hero --------------------------------------------------------- */
.hero {
  position: relative;
  overflow: clip;
  isolation: isolate;
  padding-block: clamp(4.5rem, 11vw, 9.5rem) clamp(3.5rem, 8vw, 7rem);
}

.hero__media { position: absolute; inset: -12% 0 0; z-index: -1; will-change: transform; }
.hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: 72% center;
}
.hero__canvas {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .6;
}
.hero__scrim {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(60% 70% at 24% 42%, rgba(3, 7, 17, .35), transparent 100%),
    radial-gradient(42% 52% at 70% 40%, var(--glow-cyan-soft), transparent 72%),
    radial-gradient(30% 40% at 86% 78%, var(--glow-champagne-soft), transparent 75%),
    linear-gradient(90deg, rgba(3, 7, 17, .97) 0%, rgba(3, 7, 17, .88) 34%, rgba(3, 7, 17, .42) 62%, rgba(3, 7, 17, .22) 100%),
    linear-gradient(180deg, rgba(3, 7, 17, .5), rgba(3, 7, 17, 0) 30%, rgba(3, 7, 17, 0) 66%, var(--bg) 100%);
}

.hero__inner { position: relative; }

.hero__title {
  max-width: 15ch;
  font-size: var(--fs-2xl);
  font-weight: 700;
}
.hero__title em {
  font-style: normal;
  background: linear-gradient(100deg, var(--cyan) 10%, var(--champagne) 90%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.hero__claim {
  margin: 1.3rem 0 0;
  font-size: var(--fs-lg);
  font-weight: 600;
  color: var(--champagne);
  letter-spacing: -.01em;
}

.hero__copy {
  margin: 1rem 0 0;
  max-width: 36rem;
  color: var(--steel);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: .9rem;
  margin-top: 2rem;
}

/* Floating UI-Cards (Desktop) */
.float-card {
  position: absolute;
  z-index: 1;
  display: none;
  min-width: 13rem;
  max-width: 16rem;
  padding: .9rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: linear-gradient(165deg, rgba(23, 34, 53, .82), rgba(11, 22, 40, .72));
  box-shadow: inset 0 1px 0 rgba(247, 250, 252, .07), 0 24px 60px rgba(1, 4, 10, .55);
  will-change: transform;
}
@supports (backdrop-filter: blur(1px)) {
  .float-card { backdrop-filter: blur(8px); }
}
.float-card__head {
  display: flex;
  align-items: center;
  gap: .5rem;
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--steel);
}
.float-card__dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px var(--cyan);
  flex: 0 0 auto;
}
.float-card--gold .float-card__dot { background: var(--champagne); box-shadow: 0 0 10px var(--champagne); }
.float-card__line {
  margin: .55rem 0 0;
  font-size: var(--fs-xs);
  color: var(--white);
  line-height: 1.45;
}
.float-card__line b { color: var(--cyan); font-weight: 650; }
.float-card--gold .float-card__line b { color: var(--champagne); }

.float-card--1 { top: 16%; right: clamp(2rem, 8vw, 9rem); }
.float-card--2 { bottom: 18%; right: clamp(6rem, 16vw, 18rem); }

@media (min-width: 1000px) {
  .float-card { display: block; }
}
@media (prefers-reduced-motion: no-preference) {
  .float-card--1 { animation: float-a 8s var(--ease-soft) infinite alternate; }
  .float-card--2 { animation: float-b 10s var(--ease-soft) infinite alternate; }
  @keyframes float-a { from { transform: translateY(-6px); } to { transform: translateY(8px); } }
  @keyframes float-b { from { transform: translateY(7px); } to { transform: translateY(-7px); } }
}
@keyframes dot-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}
@media (prefers-reduced-motion: no-preference) {
  .float-card__dot { animation: dot-pulse 2.6s ease-in-out infinite; }
}

.hero__mobile-visual {
  margin: 2.6rem auto 0;
  max-width: 21rem;
  border-radius: var(--radius-xl);
  overflow: clip;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

@media (min-width: 720px) {
  .hero__mobile-visual { display: none; }
}
@media (max-width: 719.98px) {
  .hero__bg, .hero__canvas { display: none; }
  .hero__scrim {
    background:
      radial-gradient(90% 50% at 50% 0%, rgba(23, 34, 53, .95), rgba(3, 7, 17, 0) 100%),
      radial-gradient(60% 34% at 82% 12%, var(--glow-cyan-soft), transparent 75%);
  }
}

/* ---------- Trustbar ------------------------------------------------------ */
.trustbar {
  border-block: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(17, 24, 39, .6), rgba(11, 22, 40, .3));
  padding-block: clamp(1.5rem, 3.2vw, 2.2rem);
}
.trustbar__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  gap: 1rem 2rem;
}
.trustbar__item {
  display: flex;
  align-items: center;
  gap: .8rem;
  min-width: 0;
  font-size: var(--fs-sm);
  color: var(--steel);
  line-height: 1.4;
}
.trustbar__item::before {
  content: "";
  width: 8px; height: 8px;
  border-radius: 50%;
  flex: 0 0 auto;
  background: var(--teal);
  box-shadow: 0 0 12px rgba(27, 166, 184, .8);
}
.trustbar__item:nth-child(2n)::before { background: var(--champagne); box-shadow: 0 0 12px rgba(216, 189, 122, .7); }
.trustbar__item b { color: var(--platinum); font-weight: 650; }

/* ---------- Problem ------------------------------------------------------- */
.problem { overflow: clip; isolation: isolate; }
.problem__backdrop {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: .55;
}
.problem__backdrop img {
  width: 100%; height: 100%;
  object-fit: cover;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 22%, #000 78%, transparent);
  mask-image: linear-gradient(180deg, transparent, #000 22%, #000 78%, transparent);
}

.problem__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 17rem), 1fr));
  gap: clamp(1rem, 2.5vw, 1.75rem);
  margin-top: clamp(2.2rem, 5vw, 3.5rem);
}
.pain {
  position: relative;
  padding: clamp(1.3rem, 2.5vw, 1.9rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(180deg, rgba(23, 34, 53, .85), rgba(17, 24, 39, .6));
  transition: transform var(--dur-base) var(--ease-out), border-color var(--dur-base) var(--ease-out);
}
@media (hover: hover) {
  .pain:hover { transform: translateY(-4px); border-color: var(--line-active); }
}
.pain__num {
  font-size: var(--fs-xs);
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--cyan);
}
.pain h3 { margin-top: .7rem; font-size: var(--fs-lg); }
.pain p { margin: .7rem 0 0; color: var(--steel); font-size: var(--fs-sm); }

/* ---------- Flowline (Divider) -------------------------------------------- */
.flowline {
  position: relative;
  height: clamp(3rem, 7vw, 5.5rem);
  overflow: clip;
  opacity: .8;
}
.flowline img {
  width: 100%; height: 100%;
  object-fit: cover;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 18%, #000 82%, transparent);
}
.flowline--flip img { transform: scaleX(-1); }

/* ---------- Lösung --------------------------------------------------------- */
.solution__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
@media (min-width: 1000px) {
  .solution__grid { grid-template-columns: minmax(0, .95fr) minmax(0, 1.05fr); }
  .solution__visual { position: sticky; top: 6.5rem; }
}
.solution__visual img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}

.principles {
  list-style: none;
  margin: clamp(1.6rem, 3vw, 2.4rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}
.principle {
  display: grid;
  grid-template-columns: clamp(4.5rem, 9vw, 6.5rem) minmax(0, 1fr);
  gap: 1.1rem;
  align-items: center;
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(23, 34, 53, .45);
  transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
@media (hover: hover) {
  .principle:hover { transform: translateX(4px); border-color: rgba(216, 189, 122, .4); }
}
.principle img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
}
.principle h3 { font-size: var(--fs-md); }
.principle p { margin: .3rem 0 0; font-size: var(--fs-sm); color: var(--steel); }

/* ---------- Leistungen ------------------------------------------------------ */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 19rem), 1fr));
  gap: clamp(1.1rem, 2.5vw, 1.75rem);
  margin-top: clamp(2.4rem, 5vw, 3.8rem);
}

.card {
  position: relative;
  overflow: clip;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background: linear-gradient(180deg, rgba(23, 34, 53, .92), rgba(17, 24, 39, .78));
  box-shadow: var(--shadow-card);
  transition:
    transform var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}
@media (hover: hover) {
  .card:hover {
    transform: translateY(-6px) rotateX(var(--tilt-x, 0deg)) rotateY(var(--tilt-y, 0deg));
    border-color: transparent;
    box-shadow: 0 8px 40px var(--glow-cyan-soft), 0 30px 80px rgba(1, 4, 10, .65);
  }
}

/* Gradient-Border auf Hover (maskierte 1px-Schicht) */
.grad-border::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 2;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(135deg, rgba(94, 211, 243, .65), rgba(27, 166, 184, .35) 40%, rgba(216, 189, 122, .55) 100%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask-composite: exclude;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur-base) var(--ease-out);
}
@media (hover: hover) {
  .grad-border:hover::after { opacity: 1; }
}

/* Pointer-Glow (Desktop) */
.glow-card::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  opacity: 0;
  pointer-events: none;
  background: radial-gradient(340px circle at var(--mx, 50%) var(--my, 50%), rgba(94, 211, 243, .14), transparent 62%);
  transition: opacity var(--dur-base) var(--ease-out);
}
@media (hover: hover) {
  .glow-card:hover::before { opacity: 1; }
}

.card__media {
  border-bottom: 1px solid var(--line);
  overflow: clip;
}
.card__media img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  transition: transform var(--dur-slow) var(--ease-soft);
}
@media (hover: hover) {
  .card:hover .card__media img { transform: scale(1.035); }
}

.card__body {
  display: flex;
  flex-direction: column;
  gap: .7rem;
  padding: clamp(1.2rem, 2.4vw, 1.6rem);
  flex: 1;
}
.card__body h3 { font-size: var(--fs-lg); }
.card__body p { margin: 0; font-size: var(--fs-sm); color: var(--steel); flex: 1; }

.card__tags {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: .45rem;
  margin: .3rem 0 0;
  padding: 0;
}
.card__tags li {
  font-size: .72rem;
  font-weight: 600;
  letter-spacing: .07em;
  text-transform: uppercase;
  color: var(--champagne);
  padding: .28rem .65rem;
  border: 1px solid rgba(216, 189, 122, .3);
  border-radius: 999px;
  background: rgba(216, 189, 122, .07);
}

/* ---------- Angebote --------------------------------------------------------- */
.offers__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 26rem), 1fr));
  gap: clamp(1.1rem, 2.5vw, 1.75rem);
  margin-top: clamp(2.4rem, 5vw, 3.8rem);
}

.offer {
  position: relative;
  overflow: clip;
  display: flex;
  flex-direction: column;
  gap: .9rem;
  padding: clamp(1.5rem, 3vw, 2.1rem);
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(27, 166, 184, .07), transparent 55%),
    linear-gradient(180deg, rgba(23, 34, 53, .92), rgba(11, 22, 40, .82));
  box-shadow: var(--shadow-card);
  transition:
    transform var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}
@media (hover: hover) {
  .offer:hover {
    transform: translateY(-6px);
    border-color: transparent;
    box-shadow: 0 8px 40px var(--glow-cyan-soft), 0 30px 80px rgba(1, 4, 10, .65);
  }
}

.offer--featured {
  border-color: rgba(216, 189, 122, .42);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(216, 189, 122, .09), transparent 55%),
    linear-gradient(180deg, rgba(23, 34, 53, .95), rgba(11, 22, 40, .85));
  box-shadow: var(--glow-champagne), var(--shadow-card);
}
@media (hover: hover) {
  .offer--featured:hover {
    border-color: transparent;
    box-shadow: 0 10px 44px var(--glow-champagne-soft), 0 30px 80px rgba(1, 4, 10, .65);
  }
}
.offer--featured.grad-border::after {
  background: linear-gradient(135deg, rgba(216, 189, 122, .75), rgba(216, 189, 122, .25) 45%, rgba(94, 211, 243, .5) 100%);
}

.offer__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .7rem;
  flex-wrap: wrap;
}

.offer__badge {
  font-size: .72rem;
  font-weight: 650;
  letter-spacing: .09em;
  text-transform: uppercase;
  padding: .3rem .7rem;
  border-radius: 999px;
  color: var(--cyan);
  border: 1px solid rgba(94, 211, 243, .32);
  background: rgba(94, 211, 243, .08);
}
.offer__badge--gold {
  color: var(--champagne);
  border-color: rgba(216, 189, 122, .35);
  background: rgba(216, 189, 122, .08);
}

.offer__flag {
  font-size: .72rem;
  font-weight: 650;
  letter-spacing: .09em;
  text-transform: uppercase;
  color: #041019;
  padding: .3rem .7rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #e9d9a8, var(--champagne));
}

.offer h3 { font-size: var(--fs-xl); letter-spacing: -.02em; }
.offer__pitch { margin: 0; color: var(--steel); font-size: var(--fs-md); }

.offer__list {
  list-style: none;
  margin: .3rem 0 0;
  padding: 0;
  display: grid;
  gap: .45rem;
}
.offer__list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: var(--fs-sm);
  color: var(--steel);
}
.offer__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .52em;
  width: .8em;
  height: .45em;
  border-left: 2px solid var(--teal);
  border-bottom: 2px solid var(--teal);
  transform: rotate(-45deg);
}
.offer--featured .offer__list li::before {
  border-color: var(--champagne);
}

.offer__result {
  margin: .4rem 0 0;
  padding: .8rem 1rem;
  font-size: var(--fs-sm);
  color: var(--platinum);
  border-left: 2px solid var(--champagne);
  border-radius: 8px;
  background: rgba(216, 189, 122, .06);
}
.offer__result b { color: var(--champagne); font-weight: 650; }

.offer .button { margin-top: auto; align-self: flex-start; }

.offers__note {
  margin: clamp(1.8rem, 4vw, 2.6rem) auto 0;
  max-width: 46rem;
  text-align: center;
  font-size: var(--fs-md);
  color: var(--steel);
  padding: 1.1rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(17, 24, 39, .5);
}
.offers__note b { color: var(--platinum); font-weight: 650; }

/* ---------- Vorgehen ---------------------------------------------------------- */
.process__layout {
  display: grid;
  gap: clamp(2rem, 4.5vw, 3.5rem);
  margin-top: clamp(2.2rem, 5vw, 3.5rem);
  align-items: start;
}
@media (min-width: 1000px) {
  .process__layout { grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr); }
  .process__visual { position: sticky; top: 6.5rem; }
}

.process__steps { display: grid; gap: .7rem; }

.step {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
  text-align: left;
  padding: 1.05rem 1.15rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(17, 24, 39, .4);
  cursor: pointer;
  transition:
    border-color var(--dur-base) var(--ease-out),
    background var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out);
}
@media (hover: hover) {
  .step:hover { border-color: var(--line-active); transform: translateX(4px); }
}
.step.is-active {
  border-color: rgba(216, 189, 122, .5);
  background: linear-gradient(135deg, rgba(216, 189, 122, .08), rgba(23, 34, 53, .7));
  box-shadow: var(--glow-champagne);
}

.step__num {
  display: grid;
  place-items: center;
  width: 3rem; height: 3rem;
  border-radius: 12px;
  border: 1px solid var(--line-strong);
  font-weight: 700;
  font-size: var(--fs-md);
  color: var(--cyan);
  background: rgba(3, 7, 17, .6);
  transition: color var(--dur-base), border-color var(--dur-base);
}
.step.is-active .step__num { color: var(--champagne); border-color: rgba(216, 189, 122, .5); }

.step__text { display: grid; gap: .25rem; }
.step__text b { font-size: var(--fs-md); letter-spacing: -.01em; }
.step__text span { font-size: var(--fs-sm); color: var(--steel); line-height: 1.5; }

.process__visual {
  position: relative;
  aspect-ratio: 1;
  max-width: 30rem;
  margin-inline: auto;
  width: 100%;
  border-radius: var(--radius-xl);
  overflow: clip;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}
.process__img {
  position: absolute;
  inset: 0;
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0;
  transform: scale(1.02);
  transition: opacity var(--dur-slow) var(--ease-soft), transform var(--dur-slow) var(--ease-soft);
}
.process__img.is-active { opacity: 1; transform: scale(1); }

@media (max-width: 999.98px) {
  .process__visual { order: -1; aspect-ratio: 4 / 3; }
  .process__img { object-position: center 38%; }
}

/* ---------- Use-Case-Slider ---------------------------------------------------- */
.slider { margin-top: clamp(1.8rem, 4vw, 2.6rem); }

.slider__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.2rem;
}
.slider__count {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--steel);
  font-variant-numeric: tabular-nums;
  letter-spacing: .12em;
}
.slider__count b { color: var(--champagne); font-size: var(--fs-lg); }

.slider__controls { display: flex; gap: .6rem; }
.slider__btn {
  display: grid;
  place-items: center;
  width: 3rem; height: 3rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(23, 34, 53, .6);
  color: var(--white);
  font-size: 1.15rem;
  cursor: pointer;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out), transform var(--dur-fast) var(--ease-out);
}
@media (hover: hover) {
  .slider__btn:hover:not(:disabled) { border-color: rgba(94, 211, 243, .5); box-shadow: var(--glow-cyan); transform: translateY(-1px); }
}
.slider__btn:disabled { opacity: .35; cursor: default; }

.slider__viewport {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(86vw, 30rem);
  gap: clamp(1rem, 2.2vw, 1.5rem);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x mandatory;
  padding: .25rem max(calc((100vw - var(--max-page)) / 2), var(--gutter)) 1.25rem;
  scrollbar-width: none;
}
.slider__viewport::-webkit-scrollbar { display: none; }

.slide {
  scroll-snap-align: center;
  display: flex;
  flex-direction: column;
  border: 1px solid var(--line);
  border-radius: var(--radius-xl);
  overflow: clip;
  background: linear-gradient(180deg, rgba(23, 34, 53, .92), rgba(17, 24, 39, .8));
  box-shadow: var(--shadow-card);
  position: relative;
  transition: border-color var(--dur-base) var(--ease-out), transform var(--dur-base) var(--ease-out);
}
@media (hover: hover) {
  .slide:hover { border-color: var(--line-active); transform: translateY(-4px); }
}
.slide__media img {
  width: 100%;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-bottom: 1px solid var(--line);
}
.slide__body { padding: clamp(1.1rem, 2.2vw, 1.5rem); }
.slide__body h3 { font-size: var(--fs-lg); }
.slide__body p { margin: .6rem 0 0; font-size: var(--fs-sm); color: var(--steel); }

.slider__progress {
  height: 2px;
  margin-top: .4rem;
  border-radius: 2px;
  background: var(--line);
  overflow: clip;
}
.slider__progress i {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--teal), var(--cyan) 55%, var(--champagne));
  transform: scaleX(.16);
  transform-origin: left;
  transition: transform var(--dur-fast) linear;
}

/* ---------- Systemblick ---------------------------------------------------------- */
.system__tabs {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
  margin-top: clamp(1.6rem, 3.5vw, 2.4rem);
}
.chip {
  padding: .6rem 1.25rem;
  border-radius: 999px;
  border: 1px solid var(--line-strong);
  background: rgba(23, 34, 53, .55);
  color: var(--steel);
  font-size: var(--fs-sm);
  font-weight: 600;
  cursor: pointer;
  transition: color var(--dur-fast), border-color var(--dur-fast), box-shadow var(--dur-fast), background var(--dur-fast);
}
@media (hover: hover) {
  .chip:hover { color: var(--white); border-color: rgba(94, 211, 243, .45); }
}
.chip.is-active {
  color: var(--black-navy);
  background: linear-gradient(135deg, #e9d9a8, var(--champagne));
  border-color: transparent;
  box-shadow: var(--glow-champagne);
}

.system__stage {
  position: relative;
  margin-top: 1.4rem;
  border-radius: var(--radius-xl);
  overflow: clip;
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
  background: var(--ink);
}
.system__view { display: none; }
.system__view.is-active { display: block; }
.system__view img { width: 100%; }
.system__view figcaption {
  padding: .9rem 1.25rem 1rem;
  font-size: var(--fs-sm);
  color: var(--steel);
  border-top: 1px solid var(--line);
  background: rgba(3, 7, 17, .55);
}
@media (prefers-reduced-motion: no-preference) {
  .system__view.is-active img { animation: sys-in var(--dur-slow) var(--ease-soft); }
  @keyframes sys-in {
    from { opacity: 0; transform: scale(1.015); }
    to { opacity: 1; transform: scale(1); }
  }
}

/* ---------- Über uns ---------------------------------------------------------- */
.about__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (min-width: 1000px) {
  .about__grid { grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr); }
}
.about__visual img {
  width: 100%;
  border-radius: var(--radius-xl);
  border: 1px solid var(--line);
  box-shadow: var(--shadow-card);
}
.about__text { margin-top: 1.4rem; color: var(--steel); }
.about__text p { margin: 0 0 1rem; }
.about__facts {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}
.about__facts li {
  padding: .7rem 1rem;
  font-size: var(--fs-sm);
  border: 1px solid var(--line);
  border-left: 2px solid var(--champagne);
  border-radius: 10px;
  background: rgba(17, 24, 39, .45);
}
.about__facts b { color: var(--white); font-weight: 600; }

/* ---------- Kontakt ---------------------------------------------------------- */
.contact { overflow: clip; isolation: isolate; }
.contact__backdrop { position: absolute; inset: 0; z-index: -1; }
.contact__backdrop img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: .85;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 18%);
  mask-image: linear-gradient(180deg, transparent, #000 18%);
}
.contact__backdrop::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(50% 44% at 76% 68%, var(--glow-champagne-soft), transparent 72%),
    radial-gradient(44% 40% at 18% 30%, rgba(27, 166, 184, .10), transparent 70%);
}

.contact__grid {
  display: grid;
  gap: clamp(2rem, 5vw, 4.5rem);
  align-items: start;
}
@media (min-width: 1000px) {
  .contact__grid { grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr); }
}

.contact__direct {
  margin: 1.8rem 0 0;
  display: grid;
  gap: .2rem;
}
.contact__direct dt {
  font-size: var(--fs-xs);
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--champagne);
  margin-top: 1rem;
}
.contact__direct dd { margin: .15rem 0 0; font-size: var(--fs-md); color: var(--steel); }
.contact__direct a { color: var(--white); border-bottom: 1px solid rgba(94, 211, 243, .4); }
.contact__direct a:hover { color: var(--cyan); text-decoration: none; }

.contact__form {
  display: grid;
  gap: 1.1rem;
  padding: clamp(1.4rem, 3vw, 2.2rem);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  background: rgba(11, 22, 40, .84);
  box-shadow: inset 0 1px 0 rgba(247, 250, 252, .05), 0 30px 90px rgba(1, 4, 10, .6);
}
@supports (backdrop-filter: blur(1px)) {
  .contact__form { backdrop-filter: blur(10px); }
}

.field-row {
  display: grid;
  gap: 1.1rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
}
.field { display: grid; gap: .45rem; min-width: 0; }
.field label {
  font-size: var(--fs-sm);
  font-weight: 600;
  letter-spacing: .01em;
}
.field label span { color: var(--champagne); }
.field input,
.field textarea {
  width: 100%;
  min-width: 0;
  padding: .8rem 1rem;
  font: inherit;
  font-size: var(--fs-sm);
  color: var(--white);
  background: rgba(3, 7, 17, .7);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  transition: border-color var(--dur-fast) var(--ease-out), box-shadow var(--dur-fast) var(--ease-out);
}
.field textarea { resize: vertical; min-height: 7rem; }
.field input::placeholder,
.field textarea::placeholder { color: rgba(158, 170, 189, .55); }
.field input:focus-visible,
.field textarea:focus-visible {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(94, 211, 243, .16), 0 0 24px rgba(94, 211, 243, .10);
}
.field input:user-invalid,
.field textarea:user-invalid { border-color: #e07a6a; }

.form-hint { margin: 0; font-size: var(--fs-xs); color: var(--steel); }
.form-status { margin: 0; min-height: 1.4em; font-size: var(--fs-sm); color: var(--cyan); }

/* ---------- Footer ---------------------------------------------------------- */
.site-footer {
  position: relative;
  overflow: clip;
  isolation: isolate;
  border-top: 1px solid var(--line);
  background: #020509;
  padding-top: clamp(3rem, 6vw, 4.5rem);
}
.footer__grid-bg { position: absolute; inset: 0; z-index: -1; opacity: .35; }
.footer__grid-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  -webkit-mask-image: linear-gradient(180deg, transparent, #000 60%);
  mask-image: linear-gradient(180deg, transparent, #000 60%);
}

.footer__inner {
  display: grid;
  gap: 2.2rem;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  padding-bottom: 2.5rem;
}
.footer__brand img {
  width: 52px; height: 52px;
  border-radius: 14px;
  border: 1px solid var(--line);
}
.footer__brand p { margin: 1rem 0 0; color: var(--steel); font-size: var(--fs-sm); max-width: 22rem; }
.footer__brand b { color: var(--white); }

.footer__col { display: grid; gap: .55rem; align-content: start; }
.footer__col h3 {
  font-size: var(--fs-xs);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--champagne);
  margin-bottom: .4rem;
}
.footer__col a { color: var(--steel); font-size: var(--fs-sm); width: fit-content; }
.footer__col a:hover { color: var(--white); }

.footer__base {
  display: flex;
  flex-wrap: wrap;
  gap: .8rem 2rem;
  align-items: center;
  justify-content: space-between;
  padding-block: 1.4rem;
  border-top: 1px solid var(--line);
}
.footer__base p { margin: 0; font-size: var(--fs-xs); color: var(--steel); }
.footer__top { font-size: var(--fs-xs); color: var(--steel); }
.footer__top:hover { color: var(--cyan); }

/* ---------- Scroll-Reveal ---------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(1.4rem);
  transition:
    opacity var(--dur-slow) var(--ease-soft) var(--d, 0s),
    transform var(--dur-slow) var(--ease-soft) var(--d, 0s);
}
.reveal.is-visible { opacity: 1; transform: none; }
.no-js .reveal, .no-io .reveal { opacity: 1; transform: none; }

/* ---------- Reduced Motion ---------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
  .hero__canvas { display: none; }
  .button::before { display: none; }
}