/* =========================================================
   X-One · Apitec AG — Modern Product Site
   Brand colors (from original): Blue #2D9BEA + Lime #B1D234
   ========================================================= */

:root {
  /* Brand */
  --blue:        #2D9BEA;
  --blue-dark:   #0F82DB;
  --blue-deep:   #1A49A8;
  --blue-soft:   #E8F4FE;
  --blue-tint:   #F5FAFE;

  --lime:        #B1D234;
  --lime-dark:   #97B524;
  --lime-soft:   #F2F8DE;

  --ink:         #0E1B2C;
  --ink-2:       #2B333F;
  --gray-7:      #4A5468;
  --gray-5:      #73859F;
  --gray-3:      #C6CCD6;
  --gray-2:      #E1E5EC;
  --gray-1:      #F2F4F7;

  --bg:          #FFFFFF;
  --bg-soft:     #F7F9FC;

  --warm:        #BD584E;

  /* Type */
  --sans: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SFMono-Regular", Menlo, monospace;

  --container: 1280px;
  --gutter: clamp(20px, 4vw, 56px);
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 28px;

  --s-1: 8px;
  --s-2: 16px;
  --s-3: 24px;
  --s-4: 40px;
  --s-5: 64px;
  --s-6: 96px;
  --s-7: 140px;

  --shadow-sm: 0 2px 10px rgba(15, 27, 44, 0.06);
  --shadow:    0 18px 40px -18px rgba(15, 27, 44, 0.18);
  --shadow-lg: 0 36px 70px -28px rgba(15, 27, 44, 0.28);
}

* { box-sizing: border-box; }
html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--sans);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  /* clip statt hidden — verhindert horizontalen Overflow, ohne position:sticky zu brechen */
  overflow-x: clip;
  width: 100%;
}

img { max-width: 100%; display: block; }

a {
  color: inherit;
  text-decoration: none;
  transition: color .2s ease, opacity .2s ease;
}
a:hover { color: var(--blue); }

button { font-family: inherit; }

.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.skip-link { position: absolute; left: -9999px; }
.skip-link:focus {
  left: var(--s-2); top: var(--s-2);
  background: var(--ink); color: white;
  padding: 8px 12px; z-index: 9999; border-radius: 6px;
}

/* =========================================================
   TYPOGRAPHY
   ========================================================= */
.h2 {
  font-family: var(--sans);
  font-size: clamp(32px, 4.6vw, 56px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.025em;
  color: var(--ink);
  margin: 0 0 var(--s-3);
}
.h2--light { color: white; }

.text-accent {
  color: var(--blue);
  font-weight: 700;
}
.text-accent-lime {
  color: var(--lime);
  font-weight: 700;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: var(--s-2);
}
.kicker:before {
  content: "";
  display: inline-block;
  width: 24px; height: 1.5px;
  background: var(--blue);
  border-radius: 2px;
}
.kicker--light { color: var(--lime); }
.kicker--light:before { background: var(--lime); }

.lead {
  font-size: clamp(17px, 1.4vw, 19px);
  line-height: 1.6;
  color: var(--gray-7);
  margin: 0 0 var(--s-3);
  max-width: 58ch;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--blue-soft);
  color: var(--blue-deep);
  padding: 6px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  margin-bottom: var(--s-3);
}
.badge__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(177, 210, 52, 0.25);
  animation: pulse 2.4s ease-in-out infinite;
}
.badge__dot--lime { background: var(--lime); }

@keyframes pulse {
  0%, 100% { box-shadow: 0 0 0 4px rgba(177, 210, 52, 0.25); }
  50% { box-shadow: 0 0 0 6px rgba(177, 210, 52, 0.05); }
}

.section-head {
  max-width: 880px;
  margin-bottom: var(--s-5);
}
.section-head--narrow {
  max-width: 720px;
  text-align: center;
  margin-left: auto;
  margin-right: auto;
  margin-bottom: var(--s-5);
}
.section-head--narrow .kicker { display: inline-flex; }
.section-head--narrow .lead { margin-left: auto; margin-right: auto; }

/* =========================================================
   BUTTONS
   ========================================================= */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 24px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: -0.005em;
  cursor: pointer;
  transition: transform .2s ease, background .25s ease, box-shadow .25s ease, color .25s ease;
  border: 1px solid transparent;
  font-family: var(--sans);
  white-space: nowrap;
}
.btn__arrow {
  transition: transform .25s ease;
  display: inline-block;
}
.btn:hover .btn__arrow { transform: translateX(4px); }

.btn--primary {
  background: var(--blue);
  color: white;
  box-shadow: 0 8px 24px -8px rgba(45, 155, 234, 0.55);
}
.btn--primary:hover {
  background: var(--blue-dark);
  color: white;
  box-shadow: 0 12px 28px -8px rgba(45, 155, 234, 0.65);
}

.btn--lime {
  background: var(--lime);
  color: var(--ink);
  box-shadow: 0 8px 24px -8px rgba(177, 210, 52, 0.6);
}
.btn--lime:hover {
  background: var(--lime-dark);
  color: var(--ink);
  box-shadow: 0 12px 28px -8px rgba(177, 210, 52, 0.7);
}

.btn--ghost {
  background: transparent;
  color: var(--ink);
  border-color: var(--gray-2);
}
.btn--ghost:hover {
  background: var(--gray-1);
  border-color: var(--gray-3);
  color: var(--ink);
}

.btn--outline-light {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.4);
}
.btn--outline-light:hover {
  background: rgba(255,255,255,0.1);
  color: white;
  border-color: rgba(255,255,255,0.7);
}

.btn--block {
  width: 100%;
}

/* =========================================================
   NAVBAR
   ========================================================= */
.nav {
  position: sticky;
  top: 0; z-index: 100;
  background: rgba(255,255,255,0.85);
  backdrop-filter: saturate(160%) blur(16px);
  -webkit-backdrop-filter: saturate(160%) blur(16px);
  border-bottom: 1px solid var(--gray-2);
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 14px var(--gutter);
  display: flex;
  align-items: center;
  gap: var(--s-4);
}
.nav__brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.nav__logo {
  border-radius: 8px;
  box-shadow: 0 4px 12px -4px rgba(45, 155, 234, 0.5);
}
.nav__name {
  font-weight: 700;
  font-size: 18px;
  letter-spacing: -0.02em;
}
.nav__by {
  font-size: 12px;
  color: var(--gray-5);
  font-weight: 500;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: 28px;
  margin-left: auto;
}
.nav__links a {
  font-size: 14.5px;
  font-weight: 500;
  color: var(--ink-2);
  position: relative;
  padding: 4px 0;
}
.nav__links a:after {
  content: "";
  position: absolute;
  left: 50%; right: 50%;
  bottom: -2px;
  height: 2px;
  background: var(--blue);
  border-radius: 2px;
  transition: left .25s ease, right .25s ease;
}
.nav__links a:hover { color: var(--blue); }
.nav__links a:hover:after { left: 0; right: 0; }
.nav__links a.is-active { color: var(--blue); }
.nav__links a.is-active:after { left: 0; right: 0; }

.nav__cta {
  background: var(--ink);
  color: white;
  padding: 10px 18px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: background .2s ease, transform .2s ease;
}
.nav__cta:hover { background: var(--blue); color: white; transform: translateY(-1px); }
.nav__cta span { transition: transform .25s ease; }
.nav__cta:hover span { transform: translateX(3px); }

.nav__burger {
  display: none;
  background: none; border: 0;
  width: 36px; height: 36px;
  padding: 0; cursor: pointer;
  margin-left: auto;
}
.nav__burger span {
  display: block;
  height: 2px; width: 22px;
  background: var(--ink);
  margin: 5px auto;
  border-radius: 2px;
  transition: transform .3s ease, opacity .3s ease;
}
.nav__burger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__burger[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.nav__burger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* =========================================================
   HERO
   ========================================================= */
.hero {
  position: relative;
  overflow: hidden;
  padding: clamp(48px, 7vw, 96px) 0 var(--s-4);
  background: linear-gradient(180deg, #FFFFFF 0%, var(--bg-soft) 100%);
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  overflow: hidden;
  z-index: 0;
}
.hero__blob {
  position: absolute;
  border-radius: 50%;
  filter: blur(80px);
  opacity: 0.55;
}
.hero__blob--1 {
  width: 600px; height: 600px;
  top: -180px; right: -120px;
  background: radial-gradient(circle, var(--blue) 0%, transparent 70%);
}
.hero__blob--2 {
  width: 440px; height: 440px;
  bottom: -120px; left: 20%;
  background: radial-gradient(circle, var(--lime) 0%, transparent 70%);
  opacity: 0.35;
}
.hero__grid-lines {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(15, 27, 44, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(15, 27, 44, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  mask-image: radial-gradient(circle at center, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(circle at center, black 0%, transparent 75%);
}

.hero__inner {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-5);
  align-items: center;
  min-height: clamp(540px, 70vh, 720px);
}

.hero__title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.035em;
  margin: 0 0 var(--s-3);
  color: var(--ink);
  text-wrap: balance;
}
.hero__title-accent {
  display: block;
  white-space: nowrap;
  background: linear-gradient(135deg, var(--blue) 0%, var(--blue-deep) 100%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero__sub {
  font-size: clamp(16px, 1.3vw, 19px);
  line-height: 1.6;
  color: var(--gray-7);
  max-width: 52ch;
  margin: 0 0 var(--s-4);
}

.hero__actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: var(--s-5);
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
  padding-top: var(--s-3);
  border-top: 1px solid var(--gray-2);
  max-width: 540px;
}
.stat__num {
  display: block;
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 800;
  color: var(--ink);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.stat__lbl {
  display: block;
  font-size: 12.5px;
  color: var(--gray-5);
  line-height: 1.4;
}

/* Hero product visual */
.hero__product {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 460px;
}
.hero__product-glow {
  position: absolute;
  width: 110%; height: 110%;
  background: radial-gradient(circle, rgba(45, 155, 234, 0.18) 0%, transparent 60%);
  filter: blur(40px);
  z-index: 0;
}
.hero__product-img {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 580px;
  filter: drop-shadow(0 30px 50px rgba(15, 27, 44, 0.18))
          drop-shadow(0 10px 20px rgba(15, 27, 44, 0.08));
  animation: float 8s ease-in-out infinite;
}

@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-12px); }
}

.hero__product-tags {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
}
.tag {
  position: absolute;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: white;
  color: var(--ink);
  padding: 8px 14px;
  border-radius: 999px;
  font-size: 12.5px;
  font-weight: 600;
  box-shadow: var(--shadow);
  border: 1px solid var(--gray-2);
  pointer-events: auto;
  animation: tag-in 0.7s ease-out forwards;
  opacity: 0;
}
.tag--top    { top: 10%; right: -8%; animation-delay: 0.3s; }
.tag--mid    { top: 42%; left: -10%; animation-delay: 0.5s; }
.tag--bot    { bottom: 14%; right: -4%; animation-delay: 0.7s; }
.tag__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--blue);
}
.tag--mid .tag__dot { background: var(--lime); }
.tag--bot .tag__dot { background: var(--warm); }

@keyframes tag-in {
  from { opacity: 0; transform: translateY(10px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* Featured-in strip */
.hero__featured {
  position: relative;
  z-index: 2;
  max-width: var(--container);
  margin: var(--s-4) auto 0;
  padding: var(--s-3) var(--gutter) 0;
  border-top: 1px solid var(--gray-2);
  display: flex;
  align-items: center;
  gap: var(--s-3);
  flex-wrap: wrap;
}
.hero__featured-label {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gray-5);
  white-space: nowrap;
}
.hero__featured-logos {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13.5px;
  font-weight: 600;
  color: var(--ink-2);
}
.hero__featured-logos .dot { color: var(--gray-3); font-weight: 400; }

/* =========================================================
   PROBLEM
   ========================================================= */
.problem {
  padding: var(--s-7) 0;
  background: var(--bg);
}
.problem__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--s-6);
  align-items: start;
}
.problem__head .kicker { color: var(--warm); }
.problem__head .kicker:before { background: var(--warm); }
.problem__head .h2 .text-accent { color: var(--warm); }

.problem__list p {
  font-size: 17px;
  color: var(--gray-7);
  margin: 0 0 var(--s-3);
  line-height: 1.65;
}
.problem__list ul {
  list-style: none;
  padding: 0;
  margin: 0 0 var(--s-3);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.problem__list ul li {
  position: relative;
  padding-left: 30px;
  font-size: 16.5px;
  color: var(--ink-2);
}
.problem__list ul li:before {
  content: "";
  position: absolute;
  left: 0; top: 9px;
  width: 18px; height: 18px;
  background: var(--warm);
  border-radius: 4px;
  background-image: linear-gradient(135deg, transparent 38%, white 38%, white 44%, transparent 44%, transparent 56%, white 56%, white 62%, transparent 62%);
}
.problem__answer {
  margin-top: var(--s-3) !important;
  padding: 20px 24px;
  background: var(--blue-soft);
  border-left: 3px solid var(--blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink) !important;
  font-weight: 600 !important;
}

/* =========================================================
   VIDEO
   ========================================================= */
.video {
  padding: var(--s-7) 0 var(--s-6);
  background: var(--bg);
}
.video__wrap {
  position: relative;
  max-width: 1080px;
  margin: 0 auto;
}
.video__wrap:before {
  content: "";
  position: absolute;
  inset: -32px;
  background: radial-gradient(ellipse at center, rgba(45,155,234,0.18) 0%, transparent 60%);
  filter: blur(40px);
  z-index: 0;
  pointer-events: none;
}
.video__facade,
.video__iframe {
  position: relative;
  z-index: 1;
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 0;
  padding: 0;
  margin: 0;
  background: var(--ink);
  cursor: pointer;
  font-family: inherit;
  box-shadow: var(--shadow-lg);
}
.video__facade img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease, opacity .3s ease;
}
.video__facade:hover img { transform: scale(1.03); opacity: 0.85; }

.video__play {
  position: absolute;
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  width: 88px; height: 88px;
  border-radius: 50%;
  background: var(--blue);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 20px 50px -10px rgba(45,155,234,0.6);
  transition: transform .35s cubic-bezier(.4, 1.5, .5, 1), background .25s ease;
}
.video__play:before {
  content: "";
  position: absolute;
  inset: -10px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,0.35);
  animation: video-pulse 2.2s ease-out infinite;
}
.video__play svg {
  width: 36px; height: 36px;
  margin-left: 4px;
}
.video__facade:hover .video__play {
  transform: translate(-50%, -50%) scale(1.08);
  background: var(--blue-dark);
}

@keyframes video-pulse {
  0%   { transform: scale(1); opacity: 0.8; }
  100% { transform: scale(1.3); opacity: 0; }
}

.video__label {
  position: absolute;
  left: 20px; bottom: 20px;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  text-align: left;
}
.video__label-tag {
  font-family: var(--mono);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  background: rgba(255,255,255,0.92);
  color: var(--ink);
  padding: 4px 9px;
  border-radius: 4px;
}
.video__label-title {
  font-size: 14px;
  font-weight: 600;
  color: white;
  text-shadow: 0 2px 12px rgba(0,0,0,0.5);
}

.video__external {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--gray-5);
  transition: color .2s ease;
}
.video__external:hover { color: var(--blue); }
.video__external span { font-size: 14px; transition: transform .2s ease; }
.video__external:hover span { transform: translate(2px, -2px); }

/* =========================================================
   PRODUKT (Features)
   ========================================================= */
.produkt {
  padding: var(--s-7) 0;
  background: var(--bg-soft);
}
.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
}
.feature {
  background: white;
  border-radius: var(--radius);
  padding: var(--s-4);
  border: 1px solid var(--gray-2);
  transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.feature:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--blue);
}
.feature__icon {
  width: 52px; height: 52px;
  display: flex; align-items: center; justify-content: center;
  background: var(--blue-soft);
  border-radius: 14px;
  color: var(--blue);
  margin-bottom: var(--s-2);
  transition: background .3s ease;
}
.feature__icon svg { width: 26px; height: 26px; }
.feature:hover .feature__icon {
  background: var(--blue);
  color: white;
}
.feature h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.015em;
}
.feature p {
  margin: 0;
  font-size: 15px;
  color: var(--gray-7);
  line-height: 1.55;
}

/* =========================================================
   EINSATZ (dark)
   ========================================================= */
.einsatz {
  padding: var(--s-7) 0;
  background: var(--ink);
  color: white;
  position: relative;
  overflow: hidden;
}
.einsatz:before {
  content: "";
  position: absolute;
  top: -200px; right: -200px;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(45,155,234,0.18) 0%, transparent 60%);
  filter: blur(60px);
  pointer-events: none;
}
.einsatz .section-head { position: relative; z-index: 1; }

.einsatz__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
}
.card-dark {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-radius: var(--radius);
  padding: var(--s-4);
  transition: transform .3s ease, background .3s ease, border-color .3s ease;
  position: relative;
}
.card-dark:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(45,155,234,0.5);
  transform: translateY(-4px);
}
.card-dark__num {
  display: inline-block;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  color: var(--lime);
  letter-spacing: 0.05em;
  margin-bottom: var(--s-2);
}
.card-dark h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
  color: white;
}
.card-dark p {
  margin: 0;
  font-size: 15px;
  color: rgba(255,255,255,0.7);
  line-height: 1.6;
}

/* =========================================================
   PRINZIP
   ========================================================= */
.prinzip {
  padding: var(--s-7) 0;
  background: var(--bg);
}
.prinzip__grid {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: var(--s-6);
  align-items: center;
}
.prinzip__visual {
  position: relative;
  margin: 0;
}
.prinzip__visual-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  aspect-ratio: 3 / 2;
}
.prinzip__visual-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

/* SVG annotation line overlay */
.prinzip__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}

/* Subtle circle highlighting the vent area */
.prinzip__ring {
  position: absolute;
  top: 21%;
  left: 26.5%;
  width: 14%;
  aspect-ratio: 1;
  border: 2px solid rgba(255,255,255,0.95);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  box-shadow:
    0 0 0 2px rgba(45,155,234,0.5),
    0 0 32px rgba(45,155,234,0.45),
    inset 0 0 12px rgba(255,255,255,0.2);
  z-index: 2;
  pointer-events: none;
  animation: ring-pulse 2.6s ease-out infinite;
}
@keyframes ring-pulse {
  0%, 100% {
    box-shadow:
      0 0 0 2px rgba(45,155,234,0.5),
      0 0 32px rgba(45,155,234,0.45),
      inset 0 0 12px rgba(255,255,255,0.2);
  }
  50% {
    box-shadow:
      0 0 0 4px rgba(45,155,234,0.3),
      0 0 50px rgba(45,155,234,0.55),
      inset 0 0 12px rgba(255,255,255,0.2);
  }
}

/* Callout box on the right, pointing to the vents */
.prinzip__callout {
  position: absolute;
  top: 44%;
  left: 50%;
  background: white;
  padding: 12px 16px;
  border-radius: 12px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 18px 40px -10px rgba(15,27,44,0.35);
  max-width: 240px;
  z-index: 4;
  border: 1px solid rgba(255,255,255,0.4);
}
.prinzip__callout:before {
  content: "";
  position: absolute;
  top: -6px; left: -6px;
  width: 12px; height: 12px;
  background: var(--blue);
  border-radius: 50%;
  border: 2px solid white;
}
.prinzip__callout-num {
  font-family: var(--mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--blue);
}
.prinzip__callout-lbl {
  font-size: 12.5px;
  color: var(--gray-7);
  margin-top: 2px;
  line-height: 1.4;
}

.prinzip__text p {
  font-size: 16.5px;
  color: var(--gray-7);
  margin: 0 0 var(--s-2);
  line-height: 1.6;
  max-width: 56ch;
}
.prinzip__text strong { color: var(--ink); }

.techspec {
  margin: var(--s-4) 0 0;
  padding-top: var(--s-2);
  border-top: 1px solid var(--gray-2);
}
.techspec__row {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--s-3);
  padding: 14px 0;
  border-bottom: 1px solid var(--gray-2);
}
.techspec__row dt {
  font-size: 14.5px;
  color: var(--gray-5);
}
.techspec__row dd {
  margin: 0;
  font-size: 15px;
  font-weight: 600;
  color: var(--ink);
  font-family: var(--mono);
  letter-spacing: -0.01em;
}

/* =========================================================
   INSTALLATION
   ========================================================= */
.install {
  padding: var(--s-7) 0;
  background: var(--bg-soft);
}
.steps {
  list-style: none;
  margin: 0; padding: 0;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 0;
  position: relative;
}
.step {
  padding: var(--s-3) 18px var(--s-3) 0;
  position: relative;
}
.step__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px; height: 42px;
  background: white;
  color: var(--blue);
  border: 2px solid var(--blue);
  border-radius: 50%;
  font-family: var(--mono);
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 18px;
  position: relative;
  z-index: 2;
}
.step__line {
  position: absolute;
  top: 21px;
  left: 42px;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--blue), var(--gray-2));
  z-index: 1;
}
.step h3 {
  font-size: 18px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.015em;
  line-height: 1.25;
}
.step p {
  margin: 0;
  font-size: 14px;
  color: var(--gray-7);
  line-height: 1.55;
}

/* =========================================================
   BEDIENUNG
   ========================================================= */
.bedien {
  padding: var(--s-7) 0;
  background: var(--bg);
}

.bedien__cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
  margin-bottom: var(--s-4);
}

.bedien-card {
  background: white;
  border: 1px solid var(--gray-2);
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform .35s ease, box-shadow .35s ease, border-color .35s ease;
}
.bedien-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: var(--blue);
}

.bedien-card__media {
  position: relative;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  background: var(--blue-soft);
}
.bedien-card__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.bedien-card:hover .bedien-card__media img { transform: scale(1.05); }

.bedien-card__no {
  position: absolute;
  top: 16px; left: 16px;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(8px);
  color: var(--blue);
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.05em;
  padding: 6px 12px;
  border-radius: 999px;
}

.bedien-card__badge {
  position: absolute;
  top: 16px; right: 16px;
  background: var(--lime);
  color: var(--ink);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.02em;
  padding: 6px 12px;
  border-radius: 999px;
  text-transform: uppercase;
}

.bedien-card__body {
  padding: var(--s-3) var(--s-3) var(--s-4);
}
.bedien-card__body h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}
.bedien-card__body p {
  margin: 0;
  font-size: 15px;
  color: var(--gray-7);
  line-height: 1.55;
}

.bedien-card--featured {
  background: linear-gradient(180deg, var(--blue-soft) 0%, white 100%);
  border-color: var(--blue);
}
.bedien-card--featured .bedien-card__body h3 { color: var(--blue-deep); }

/* Functions row */
.bedien__functions-row {
  margin-top: var(--s-4);
  padding: var(--s-3);
  background: var(--bg-soft);
  border-radius: var(--radius);
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--s-3);
  align-items: center;
}
.bedien__functions-label {
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--gray-5);
  white-space: nowrap;
}
.bedien__functions {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}
.bedien__functions span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13.5px;
  padding: 8px 14px;
  background: white;
  color: var(--gray-7);
  border-radius: 999px;
  border: 1px solid var(--gray-2);
  line-height: 1.3;
}
.bedien__functions span strong {
  color: var(--ink);
  font-weight: 700;
}

/* =========================================================
   REFERENZEN
   ========================================================= */
.refs {
  padding: var(--s-7) 0;
  background: var(--bg-soft);
}
.refs__grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: var(--s-2);
  margin-bottom: var(--s-6);
}
.ref {
  position: relative;
  grid-column: span 2;
  aspect-ratio: 4 / 3;
  border-radius: var(--radius);
  overflow: hidden;
  cursor: pointer;
  transition: transform .35s ease, box-shadow .35s ease;
}
.ref:hover { transform: translateY(-4px); box-shadow: var(--shadow); }
.ref--featured {
  grid-column: span 4;
  grid-row: span 2;
  aspect-ratio: 16 / 9;
}
.ref img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.ref:hover img { transform: scale(1.04); }
.ref__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,27,44,0) 40%, rgba(15,27,44,0.85) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: var(--s-3);
  color: white;
}
.ref__count {
  display: inline-block;
  background: var(--lime);
  color: var(--ink);
  font-family: var(--mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.04em;
  padding: 4px 10px;
  border-radius: 999px;
  align-self: flex-start;
  margin-bottom: 10px;
}
.ref__overlay h3 {
  font-size: 20px;
  font-weight: 700;
  margin: 0 0 4px;
  letter-spacing: -0.02em;
  color: white;
}
.ref--featured .ref__overlay h3 { font-size: 32px; }
.ref__overlay p {
  margin: 0;
  font-size: 13.5px;
  color: rgba(255,255,255,0.8);
  font-weight: 500;
}

/* Testimonials */
.testis {
  border-top: 1px solid var(--gray-2);
  padding-top: var(--s-5);
}
.testis .kicker { margin-bottom: var(--s-3); }
.testis__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--s-3);
}
.testi {
  margin: 0;
  background: white;
  border-radius: var(--radius);
  padding: var(--s-4);
  border: 1px solid var(--gray-2);
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
  position: relative;
  transition: transform .3s ease, box-shadow .3s ease;
}
.testi:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.testi:before {
  content: "“";
  position: absolute;
  top: 8px; right: 18px;
  font-size: 64px;
  font-family: Georgia, serif;
  color: var(--blue-soft);
  line-height: 1;
}
.testi blockquote {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--ink-2);
}
.testi blockquote strong {
  color: var(--blue);
  font-weight: 600;
}
.testi figcaption {
  display: flex;
  gap: 12px;
  align-items: center;
  padding-top: var(--s-2);
  border-top: 1px solid var(--gray-2);
}
.testi figcaption img,
.testi__initial {
  width: 44px; height: 44px;
  border-radius: 50%;
  object-fit: cover;
}
.testi__initial {
  background: var(--blue);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
}
.testi figcaption strong {
  display: block;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--ink);
}
.testi figcaption span {
  display: block;
  font-size: 12.5px;
  color: var(--gray-5);
  margin-top: 2px;
}

/* =========================================================
   PREIS
   ========================================================= */
.preis {
  padding: var(--s-7) 0;
  background: var(--bg);
}
.preis__grid {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--s-5);
  align-items: start;
}
.preis__list {
  list-style: none;
  margin: var(--s-3) 0 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.preis__list li {
  position: relative;
  padding-left: 36px;
  font-size: 16.5px;
  color: var(--ink-2);
  line-height: 1.5;
}
.preis__list li:before {
  content: "";
  position: absolute;
  left: 0; top: 5px;
  width: 22px; height: 22px;
  background: var(--lime);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='%230E1B2C'%3E%3Cpath d='M16.7 5.7a1 1 0 01.1 1.4l-7 8a1 1 0 01-1.5 0l-4-4a1 1 0 011.4-1.4l3.3 3.2 6.3-7.1a1 1 0 011.4-.1z'/%3E%3C/svg%3E");
  background-size: 16px;
  background-position: center;
  background-repeat: no-repeat;
}

.preis__card {
  background: linear-gradient(180deg, var(--blue) 0%, var(--blue-deep) 100%);
  color: white;
  border-radius: var(--radius-lg);
  padding: var(--s-4);
  box-shadow: 0 30px 60px -20px rgba(45, 155, 234, 0.45);
  position: sticky;
  top: 96px;
}
.preis__card-label {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  display: block;
  margin-bottom: 8px;
}
.preis__amount {
  display: flex;
  align-items: baseline;
  gap: 4px;
  margin-bottom: 10px;
  letter-spacing: -0.04em;
}
.preis__currency {
  font-family: var(--mono);
  font-size: 16px;
  font-weight: 500;
  color: rgba(255,255,255,0.7);
  align-self: flex-start;
  margin-top: 12px;
}
.preis__big {
  font-size: clamp(64px, 8vw, 88px);
  font-weight: 800;
  line-height: 1;
}
.preis__sub {
  font-size: 36px;
  color: rgba(255,255,255,0.5);
  font-weight: 400;
}
.preis__note {
  font-size: 13px;
  line-height: 1.5;
  color: rgba(255,255,255,0.75);
  margin: 0 0 var(--s-3);
  padding-bottom: var(--s-3);
  border-bottom: 1px solid rgba(255,255,255,0.18);
}
.preis__card .btn--primary {
  background: white;
  color: var(--blue);
  box-shadow: 0 8px 24px -6px rgba(0,0,0,0.25);
}
.preis__card .btn--primary:hover {
  background: var(--lime);
  color: var(--ink);
}
.preis__season {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: var(--s-3);
  padding-top: var(--s-3);
  border-top: 1px solid rgba(255,255,255,0.18);
  font-size: 13.5px;
  color: rgba(255,255,255,0.85);
  line-height: 1.45;
}
.preis__season .badge__dot {
  flex-shrink: 0;
}

/* =========================================================
   ABOUT
   ========================================================= */
.about {
  padding: var(--s-7) 0;
  background: var(--bg-soft);
}
.about__grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: var(--s-6);
  align-items: center;
}
.about__photo {
  margin: 0;
  position: relative;
}
.about__photo img {
  width: 100%;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
}
.about__photo figcaption {
  position: absolute;
  bottom: 20px; left: 20px;
  background: white;
  padding: 14px 20px;
  border-radius: 12px;
  box-shadow: var(--shadow);
}
.about__photo figcaption strong {
  display: block;
  font-weight: 700;
  font-size: 16px;
  color: var(--ink);
}
.about__photo figcaption span {
  display: block;
  font-size: 13px;
  color: var(--gray-5);
  margin-top: 2px;
}

.about__text p {
  font-size: 16.5px;
  color: var(--gray-7);
  margin: 0 0 var(--s-2);
  line-height: 1.65;
  max-width: 60ch;
}
.about__text strong { color: var(--ink); }
.about__quote {
  font-size: 19px;
  font-weight: 600;
  color: var(--blue);
  margin-top: var(--s-3);
  padding: var(--s-3) var(--s-3);
  background: white;
  border-radius: var(--radius);
  border-left: 4px solid var(--blue);
  line-height: 1.5;
  letter-spacing: -0.01em;
}

/* =========================================================
   FAQ
   ========================================================= */
.faq {
  padding: var(--s-7) 0;
  background: var(--bg);
}
.faq__list {
  max-width: 880px;
  margin: 0 auto;
  border-top: 1px solid var(--gray-2);
}
.faq__list details {
  border-bottom: 1px solid var(--gray-2);
}
.faq__list summary {
  cursor: pointer;
  padding: 22px 0;
  font-size: clamp(17px, 1.6vw, 19px);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--s-3);
  list-style: none;
  transition: color .25s ease;
  color: var(--ink);
}
.faq__list summary::-webkit-details-marker { display: none; }
.faq__list summary:after {
  content: "";
  width: 32px; height: 32px;
  flex-shrink: 0;
  background: var(--blue-soft);
  border-radius: 50%;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='%232D9BEA' stroke-width='2'%3E%3Cpath d='M10 5v10M5 10h10'/%3E%3C/svg%3E");
  background-size: 16px;
  background-position: center;
  background-repeat: no-repeat;
  transition: transform .3s ease, background-color .3s ease;
}
.faq__list summary:hover { color: var(--blue); }
.faq__list summary:hover:after { background-color: var(--blue); background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 20 20' fill='none' stroke='white' stroke-width='2'%3E%3Cpath d='M10 5v10M5 10h10'/%3E%3C/svg%3E"); }
.faq__list details[open] summary:after { transform: rotate(45deg); }
.faq__list details p {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-7);
  max-width: 70ch;
}

/* =========================================================
   CTA / KONTAKT
   ========================================================= */
.cta {
  padding: var(--s-7) 0;
  background: linear-gradient(180deg, var(--ink) 0%, #0a1320 100%);
  color: white;
  position: relative;
  overflow: hidden;
}
.cta:before {
  content: "";
  position: absolute;
  top: 0; right: -10%;
  width: 700px; height: 700px;
  background: radial-gradient(circle, rgba(45,155,234,0.18) 0%, transparent 65%);
  filter: blur(60px);
  pointer-events: none;
}
.cta:after {
  content: "";
  position: absolute;
  bottom: -30%; left: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(177,210,52,0.15) 0%, transparent 65%);
  filter: blur(60px);
  pointer-events: none;
}
.cta__inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: var(--container);
  margin: 0 auto;
}
.cta__sub {
  font-size: 17px;
  color: rgba(255,255,255,0.75);
  max-width: 540px;
  margin: 0 auto var(--s-5);
}
.cta__card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-lg);
  padding: var(--s-4);
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: var(--s-5);
  text-align: left;
  backdrop-filter: blur(12px);
}

.cta__info {
  display: flex;
  flex-direction: column;
  gap: var(--s-3);
}
.cta__info-block p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.55;
}
.cta__info-block a {
  color: white;
  font-weight: 600;
  border-bottom: 1px solid rgba(255,255,255,0.3);
  padding-bottom: 1px;
  transition: border-color .25s ease, color .25s ease;
}
.cta__info-block a:hover { border-bottom-color: var(--lime); color: var(--lime); }

.cta__col-label {
  font-family: var(--mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.55);
  display: block;
  margin-bottom: 6px;
  margin-top: 12px;
}
.cta__info-block .cta__col-label:first-child { margin-top: 0; }

.cta__phone {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius);
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.12);
  transition: background .25s ease, border-color .25s ease, transform .25s ease;
}
.cta__phone:hover {
  background: rgba(177,210,52,0.12);
  border-color: var(--lime);
  transform: translateY(-2px);
  color: white;
}
.cta__phone-icon {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--lime);
  color: var(--ink);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.cta__phone-icon svg { width: 20px; height: 20px; }
.cta__phone small {
  display: block;
  font-size: 12px;
  color: rgba(255,255,255,0.65);
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  margin-bottom: 2px;
}
.cta__phone strong {
  display: block;
  font-size: 18px;
  color: white;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* =========================================================
   FORM
   ========================================================= */
.cta__form {
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius);
  padding: var(--s-3) var(--s-3) var(--s-4);
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.form__head {
  margin-bottom: 4px;
}
.form__head h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
  color: white;
}
.form__head p {
  font-size: 13.5px;
  color: rgba(255,255,255,0.65);
  margin: 0;
}

.form__row--split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.field__lbl {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.6);
}
.field input[type="text"],
.field input[type="email"],
.field input[type="tel"],
.field select,
.field textarea {
  width: 100%;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 10px;
  padding: 12px 14px;
  font: inherit;
  font-size: 15px;
  color: white;
  transition: border-color .25s ease, background .25s ease, box-shadow .25s ease;
  font-family: inherit;
}
.field textarea {
  resize: vertical;
  min-height: 96px;
  line-height: 1.5;
}
.field select {
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 14 14' fill='none' stroke='white' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='3,5 7,9 11,5'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 14px center;
  padding-right: 38px;
  cursor: pointer;
}
.field select option {
  background: var(--ink);
  color: white;
}
.field input::placeholder,
.field textarea::placeholder {
  color: rgba(255,255,255,0.35);
}
.field input:hover,
.field select:hover,
.field textarea:hover {
  border-color: rgba(255,255,255,0.3);
}
.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--lime);
  background: rgba(255,255,255,0.07);
  box-shadow: 0 0 0 4px rgba(177,210,52,0.18);
}

.field input:invalid:not(:placeholder-shown),
.field textarea:invalid:not(:placeholder-shown) {
  border-color: rgba(189, 88, 78, 0.6);
}

.field--check {
  flex-direction: row;
  align-items: flex-start;
  gap: 10px;
  font-size: 13px;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
  cursor: pointer;
  margin-top: 4px;
}
.field--check input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 18px; height: 18px;
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: 5px;
  background: rgba(255,255,255,0.04);
  margin: 1px 0 0;
  flex-shrink: 0;
  cursor: pointer;
  transition: background .2s ease, border-color .2s ease;
  position: relative;
}
.field--check input[type="checkbox"]:checked {
  background: var(--lime);
  border-color: var(--lime);
}
.field--check input[type="checkbox"]:checked:after {
  content: "";
  position: absolute;
  left: 4px; top: 1px;
  width: 5px; height: 9px;
  border: solid var(--ink);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}
.field--check a {
  color: var(--lime);
  border-bottom: 1px solid rgba(177,210,52,0.4);
}
.field--check a:hover { border-bottom-color: var(--lime); }

/* Honeypot — hidden from real users */
.hp {
  position: absolute !important;
  left: -9999px !important;
  width: 1px !important;
  height: 1px !important;
  opacity: 0 !important;
  pointer-events: none !important;
}

.cta__form .btn--lime {
  margin-top: 4px;
  position: relative;
}
.cta__form .btn--lime:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}
.btn__spinner {
  display: none;
  width: 16px; height: 16px;
  border: 2px solid rgba(14,27,44,0.25);
  border-top-color: var(--ink);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}
[data-submit].is-loading .btn__label,
[data-submit].is-loading .btn__arrow { display: none; }
[data-submit].is-loading .btn__spinner { display: inline-block; }

@keyframes spin { to { transform: rotate(360deg); } }

.form__hint {
  margin: 4px 0 0;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: rgba(255,255,255,0.45);
}
.form__hint svg { flex-shrink: 0; }

/* Success state */
.cta__form.is-sent .form__head,
.cta__form.is-sent .form__row,
.cta__form.is-sent .field,
.cta__form.is-sent .btn,
.cta__form.is-sent .form__hint {
  display: none;
}
.cta__form.is-sent:after {
  content: "";
}
.form__success {
  text-align: center;
  padding: var(--s-3) 0;
}
.form__success-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  background: var(--lime);
  margin: 0 auto var(--s-2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--ink);
  animation: success-pop .4s cubic-bezier(.4, 1.6, .5, 1);
}
.form__success-icon svg { width: 32px; height: 32px; }
.form__success h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 0 0 8px;
  color: white;
}
.form__success p {
  margin: 0;
  color: rgba(255,255,255,0.75);
  font-size: 15px;
  line-height: 1.55;
}
@keyframes success-pop {
  0%   { transform: scale(0.3); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

/* =========================================================
   FOOTER
   ========================================================= */
.footer {
  background: var(--ink);
  color: rgba(255,255,255,0.75);
  padding: var(--s-6) 0 var(--s-3);
}
.footer__grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
  gap: var(--s-4);
  margin-bottom: var(--s-4);
}
.footer__brand .nav__brand { margin-bottom: var(--s-2); }
.footer__brand .nav__name { color: white; }
.footer__brand p {
  margin: 8px 0 0;
  font-size: 14px;
  color: rgba(255,255,255,0.6);
  max-width: 36ch;
}
.footer__tagline {
  margin-top: 12px !important;
  font-style: italic;
  color: rgba(255,255,255,0.5) !important;
}

.footer__nav { display: flex; flex-direction: column; gap: 6px; }
.footer__nav h4,
.footer__contact h4 {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(255,255,255,0.4);
  margin: 0 0 14px;
  font-weight: 500;
}
.footer__nav a {
  font-size: 14.5px;
  color: rgba(255,255,255,0.8);
  padding: 3px 0;
  transition: color .25s ease;
}
.footer__nav a:hover { color: var(--blue); }
.footer__contact p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.55;
  color: rgba(255,255,255,0.8);
}
.footer__contact a:hover { color: var(--lime); }

.footer__base {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: var(--s-3);
  font-size: 12.5px;
  color: rgba(255,255,255,0.45);
}

/* =========================================================
   TOAST
   ========================================================= */
.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%) translateY(40px);
  background: var(--ink);
  color: white;
  padding: 14px 22px;
  border-radius: 999px;
  font-size: 14px;
  font-weight: 500;
  opacity: 0;
  pointer-events: none;
  z-index: 1000;
  transition: transform .35s ease, opacity .35s ease;
  box-shadow: 0 12px 30px -10px rgba(0,0,0,0.5);
  max-width: 90vw;
  text-align: center;
  border: 1px solid rgba(255,255,255,0.1);
}
.toast.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* =========================================================
   RESPONSIVE
   ========================================================= */
@media (max-width: 1024px) {
  :root { --s-7: 96px; --s-6: 72px; }

  .hero__inner { grid-template-columns: 1fr; gap: var(--s-5); min-height: 0; }
  .hero__product { order: -1; min-height: 380px; max-width: 540px; margin: 0 auto; width: 100%; overflow: visible; }
  .hero__product-img { max-width: 460px; }
  .tag--top { right: 4%; }
  .tag--mid { left: 4%; }
  .tag--bot { right: 6%; }

  .hero__stats { max-width: none; }

  .features { grid-template-columns: repeat(2, 1fr); }
  .einsatz__grid { grid-template-columns: repeat(2, 1fr); }
  .prinzip__grid { grid-template-columns: 1fr; gap: var(--s-4); }
  .prinzip__visual { max-width: 600px; }
  .steps { grid-template-columns: repeat(2, 1fr); gap: var(--s-3); }
  .step__line { display: none; }
  .bedien__cards { grid-template-columns: 1fr; max-width: 540px; margin-left: auto; margin-right: auto; }
  .bedien__functions-row { grid-template-columns: 1fr; gap: var(--s-2); }
  .refs__grid { grid-template-columns: repeat(4, 1fr); }
  .ref--featured { grid-column: span 4; grid-row: auto; aspect-ratio: 16 / 9; }
  .ref { grid-column: span 2; }
  .testis__grid { grid-template-columns: 1fr; }
  .preis__grid { grid-template-columns: 1fr; gap: var(--s-4); }
  .preis__card { position: static; }
  .about__grid { grid-template-columns: 1fr; gap: var(--s-4); }
  .about__photo { max-width: 480px; }
  .cta__card { grid-template-columns: 1fr; gap: var(--s-4); }
  .footer__grid { grid-template-columns: 1fr 1fr; }
  .problem__grid { grid-template-columns: 1fr; gap: var(--s-3); }
}

/* ---- Nav: mobile mode bereits ab 960px ---- */
@media (max-width: 960px) {
  .nav__inner { padding: 12px var(--gutter); gap: var(--s-2); }
  .nav__by { display: none; }
  .nav__cta { display: none; }
  .nav__burger { display: block; }

  .nav__links {
    position: fixed;
    top: 62px; left: 0; right: 0;
    background: white;
    flex-direction: column;
    gap: 0;
    padding: var(--s-2) var(--gutter) var(--s-3);
    border-bottom: 1px solid var(--gray-2);
    transform: translateY(-110%);
    visibility: hidden;
    opacity: 0;
    transition: transform .35s ease, opacity .25s ease, visibility 0s linear .35s;
    box-shadow: 0 20px 30px -20px rgba(0,0,0,0.15);
    margin-left: 0;
  }
  .nav__links.open {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
    transition: transform .35s ease, opacity .25s ease, visibility 0s linear 0s;
  }
  .nav__links a {
    padding: 14px 0;
    border-bottom: 1px solid var(--gray-2);
    font-size: 16px;
  }
  .nav__links a:after { display: none; }
}

@media (max-width: 768px) {
  :root { --s-7: 72px; --s-6: 56px; }
  body { font-size: 15.5px; }

  .hero { padding-top: var(--s-4); }
  .hero__product { min-height: 320px; max-width: 100%; overflow: visible; }
  .hero__product-img { max-width: min(380px, 88vw); }
  .tag { font-size: 11px; padding: 5px 10px; gap: 6px; max-width: 60vw; }
  .tag__dot { width: 6px; height: 6px; }
  .tag--top { top: 4%; right: 2%; }
  .tag--mid { top: 42%; left: 2%; }
  .tag--bot { bottom: 6%; right: 4%; }

  .hero__stats { grid-template-columns: 1fr 1fr 1fr; gap: var(--s-2); }
  .stat__num { font-size: 22px; }
  .stat__lbl { font-size: 11.5px; }

  .features { grid-template-columns: 1fr; }
  .einsatz__grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .refs__grid { grid-template-columns: 1fr 1fr; gap: var(--s-2); }
  .ref { grid-column: span 1; aspect-ratio: 1; }
  .ref--featured { grid-column: span 2; aspect-ratio: 16/10; }
  .ref--featured .ref__overlay h3 { font-size: 22px; }

  .bedien-card__media { aspect-ratio: 16 / 10; }

  .video__play { width: 64px; height: 64px; }
  .video__play svg { width: 26px; height: 26px; }
  .video__label { left: 12px; bottom: 12px; }
  .video__label-title { display: none; }

  .cta__card { grid-template-columns: 1fr; gap: var(--s-3); padding: var(--s-3); }
  .form__row--split { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: var(--s-3); }
  .footer__base { flex-direction: column; gap: 8px; text-align: left; }

  .hero__featured { flex-direction: column; align-items: flex-start; gap: var(--s-1); }
  .hero__featured-logos { font-size: 12.5px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *:before, *:after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .hero__product-img { animation: none; }
}