/* ============================================================
   VENTORA KLIMA — Kabel Vertrieb Deutschland — Natural cooling
   Design system: cool premium tech, light surface, glacier accent
   ============================================================ */
:root {
  --ink: #0b1c28;
  --ink-soft: #40566a;
  --bg: #f5f9fb;
  --surface: #ffffff;
  --surface-tint: #ecf4f8;
  --accent: #0e8db0;
  --accent-deep: #0a3d54;
  --accent-soft: #d9edf4;
  --border: #dbe7ee;
  --shadow-sm: 0 1px 2px rgba(10, 61, 84, 0.06), 0 2px 8px rgba(10, 61, 84, 0.06);
  --shadow-md: 0 4px 14px rgba(10, 61, 84, 0.09), 0 12px 32px rgba(10, 61, 84, 0.09);
  --radius: 14px;
  --radius-lg: 22px;
  --font-head: "Manrope", system-ui, -apple-system, "Segoe UI", sans-serif;
  --font-body: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --container: 1160px;
}

*, *::before, *::after { box-sizing: border-box; }
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.65;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-head);
  color: var(--ink);
  line-height: 1.15;
  margin: 0 0 0.6em;
  letter-spacing: -0.015em;
}
h1 { font-size: clamp(2rem, 4.5vw, 3.1rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); font-weight: 800; }
h3 { font-size: 1.15rem; font-weight: 700; }
p { margin: 0 0 1em; }
a { color: var(--accent); }
a:hover { color: var(--accent-deep); }

.container { max-width: var(--container); margin: 0 auto; padding: 0 clamp(1rem, 4vw, 2rem); }
.center { text-align: center; }
.center .btn { margin-inline: auto; }

.skip-link {
  position: absolute; left: -999px; top: 0; z-index: 200;
  background: var(--accent-deep); color: #fff; padding: 0.6rem 1rem; border-radius: 0 0 8px 0;
}
.skip-link:focus { left: 0; color: #fff; }

.eyebrow {
  font-family: var(--font-head);
  font-size: 0.8rem; font-weight: 700;
  letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.75rem;
}
.section-sub { color: var(--ink-soft); max-width: 46rem; font-size: 1.06rem; }
.section-sub.center { margin-inline: auto; }
.prose { color: var(--ink-soft); font-size: 1.03rem; }

/* ------------------------------------------------ header */
.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(245, 249, 251, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; gap: 1.5rem; height: 68px; }
.logo {
  display: inline-flex; align-items: center; gap: 0.55rem;
  font-family: var(--font-head); font-weight: 800; font-size: 1.15rem;
  letter-spacing: 0.16em; color: var(--ink); text-decoration: none;
}
.logo-mark { width: 28px; height: 28px; color: var(--accent); flex: none; }
.logo:hover { color: var(--accent-deep); }

.main-nav { display: flex; gap: 0.3rem; margin-left: auto; }
.main-nav a {
  font-family: var(--font-head); font-weight: 600; font-size: 0.95rem;
  color: var(--ink-soft); text-decoration: none;
  padding: 0.45rem 0.85rem; border-radius: 999px;
  transition: color 0.2s, background 0.2s;
}
.main-nav a:hover { color: var(--ink); background: var(--surface-tint); }
.main-nav a.active { color: var(--accent-deep); background: var(--accent-soft); }

.header-actions { display: flex; align-items: center; gap: 0.75rem; }
/* Privat / Geschäftlich — html[data-kunde="gewerbe"] blendet .pp aus und .pg ein */
.kunde-toggle { display: inline-flex; padding: 3px; border: 1.5px solid var(--border); border-radius: 999px; background: var(--surface); }
.kunde-toggle button { font-family: var(--font-head); font-weight: 700; font-size: 0.8rem; padding: 0.32rem 0.75rem; border: 0; border-radius: 999px; background: transparent; color: var(--ink-soft); cursor: pointer; transition: background 0.2s, color 0.2s; }
.kunde-toggle button[aria-pressed="true"] { background: var(--accent-deep); color: #fff; }
.pg { display: none !important; }
html[data-kunde="gewerbe"] .pg { display: revert !important; }
html[data-kunde="gewerbe"] .pp { display: none !important; }
html[data-kunde="gewerbe"] tr.pg { display: table-row !important; }
html[data-kunde="gewerbe"] span.pg, html[data-kunde="gewerbe"] em.pg { display: inline !important; }
html[data-kunde="gewerbe"] .card-price em.pg, html[data-kunde="gewerbe"] .price-sub.pg, html[data-kunde="gewerbe"] .price-b2b.pg { display: block !important; }
.lang-toggle {
  display: inline-flex; align-items: center; gap: 0.25rem;
  font-family: var(--font-head); font-weight: 700; font-size: 0.82rem;
  padding: 0.42rem 0.8rem; border: 1.5px solid var(--border); border-radius: 999px;
  color: var(--ink); text-decoration: none; background: var(--surface);
  transition: border-color 0.2s, box-shadow 0.2s;
}
.lang-toggle:hover { border-color: var(--accent); color: var(--ink); box-shadow: var(--shadow-sm); }
.lang-cur { color: var(--accent-deep); }
.lang-sep { color: var(--border); }
.lang-alt { color: var(--ink-soft); }

.nav-burger {
  display: none; flex-direction: column; justify-content: center; gap: 5px;
  width: 44px; height: 44px; padding: 10px;
  background: none; border: 1.5px solid var(--border); border-radius: 10px; cursor: pointer;
}
.nav-burger span { display: block; height: 2px; background: var(--ink); border-radius: 2px; transition: transform 0.25s, opacity 0.25s; }
.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); }

/* ------------------------------------------------ buttons */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 0.5rem;
  font-family: var(--font-head); font-weight: 700; font-size: 0.98rem;
  padding: 0.78rem 1.5rem; border-radius: 11px; text-decoration: none;
  border: 1.5px solid transparent; cursor: pointer;
  transition: background 0.2s, color 0.2s, border-color 0.2s, transform 0.15s, box-shadow 0.2s;
  min-height: 44px;
}
.btn:active { transform: scale(0.98); }
.btn-primary { background: var(--accent-deep); color: #fff; box-shadow: var(--shadow-sm); }
.btn-primary:hover { background: var(--accent); color: #fff; box-shadow: var(--shadow-md); }
.btn-ghost { background: var(--surface); color: var(--accent-deep); border-color: var(--border); }
.btn-ghost:hover { border-color: var(--accent); color: var(--accent-deep); }
.btn-light { background: #fff; color: var(--accent-deep); }
.btn-light:hover { background: var(--accent-soft); color: var(--accent-deep); }

/* ------------------------------------------------ hero v2 (premium dark) */
.hero-v2 {
  position: relative; overflow: hidden; isolation: isolate;
  background:
    radial-gradient(70rem 40rem at 80% -20%, rgba(34, 211, 238, 0.16), transparent 55%),
    radial-gradient(50rem 35rem at -10% 110%, rgba(14, 141, 176, 0.22), transparent 60%),
    linear-gradient(160deg, #06131d 0%, #0a2a3d 55%, #0d3c54 100%);
  color: #eaf6fa;
}
.hero-canvas { position: absolute; inset: 0; z-index: 0; width: 100%; height: 100%; pointer-events: none; }
.hero-glow { position: absolute; z-index: 0; border-radius: 50%; filter: blur(70px); pointer-events: none; }
.hero-glow-1 {
  width: 46rem; height: 30rem; right: -12rem; top: -10rem;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.28), transparent 65%);
  animation: glowDrift1 14s ease-in-out infinite alternate;
}
.hero-glow-2 {
  width: 36rem; height: 26rem; left: -14rem; bottom: -12rem;
  background: radial-gradient(circle, rgba(56, 189, 248, 0.2), transparent 65%);
  animation: glowDrift2 18s ease-in-out infinite alternate;
}
@keyframes glowDrift1 { from { transform: translate3d(0, 0, 0) scale(1); } to { transform: translate3d(-5rem, 3rem, 0) scale(1.15); } }
@keyframes glowDrift2 { from { transform: translate3d(0, 0, 0) scale(1); } to { transform: translate3d(4rem, -3rem, 0) scale(1.1); } }
.hero-grain {
  position: absolute; inset: 0; z-index: 0; pointer-events: none; opacity: 0.5; mix-blend-mode: overlay;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='120'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3CfeColorMatrix values='0 0 0 0 1 0 0 0 0 1 0 0 0 0 1 0 0 0 0.05 0'/%3E%3C/filter%3E%3Crect width='120' height='120' filter='url(%23n)'/%3E%3C/svg%3E");
}
.hero-v2 .hero-grid {
  position: relative; z-index: 1;
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 5vw, 4rem);
  align-items: center; padding-block: clamp(3.5rem, 7vw, 6rem) clamp(5rem, 9vw, 7.5rem);
}
.hero-v2 .eyebrow { color: #67e2f5; }
.hero-v2 h1 { color: #fff; font-size: clamp(2.2rem, 4.8vw, 3.5rem); text-wrap: balance; }
.hero-v2 h1 .grad {
  background: linear-gradient(92deg, #67e2f5 0%, #38bdf8 45%, #8be8d2 100%);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero-v2 .hero-sub { font-size: 1.12rem; color: #b9d2de; max-width: 34rem; }
.hero-ctas { display: flex; flex-wrap: wrap; gap: 0.8rem; margin-top: 1.6rem; }
.btn-glow {
  background: linear-gradient(120deg, #0ea5c9, #22d3ee); color: #04222e;
  box-shadow: 0 4px 20px rgba(34, 211, 238, 0.35), 0 1px 3px rgba(0, 0, 0, 0.3);
}
.btn-glow:hover {
  background: linear-gradient(120deg, #22d3ee, #67e2f5); color: #04222e;
  box-shadow: 0 6px 28px rgba(34, 211, 238, 0.5); transform: translateY(-1px);
}
.btn-outline-light { background: rgba(255, 255, 255, 0.06); color: #eaf6fa; border-color: rgba(255, 255, 255, 0.28); backdrop-filter: blur(6px); }
.btn-outline-light:hover { border-color: #67e2f5; color: #fff; background: rgba(255, 255, 255, 0.1); }

/* hero funnel */
.hero-funnel { margin-top: 1.8rem; }
.funnel-label { font-family: var(--font-head); font-weight: 700; font-size: 0.95rem; color: #eaf6fa; margin-bottom: 0.7rem; }
.funnel-label span { display: block; font-weight: 500; font-size: 0.8rem; color: #7fa8b8; }
.funnel-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; }
.funnel-chips a {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.6rem 1.1rem; min-height: 44px;
  background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.22);
  border-radius: 999px; color: #dff2f8; text-decoration: none;
  font-family: var(--font-head); font-weight: 600; font-size: 0.9rem;
  backdrop-filter: blur(8px);
  transition: background 0.2s, border-color 0.2s, transform 0.2s, box-shadow 0.2s;
}
.funnel-chips a:hover {
  background: rgba(34, 211, 238, 0.16); border-color: #22d3ee; color: #fff;
  transform: translateY(-2px); box-shadow: 0 6px 18px rgba(34, 211, 238, 0.25);
}
.funnel-chips svg { width: 18px; height: 18px; color: #67e2f5; flex: none; }

/* hero stats on dark */
.hero-stats { display: flex; flex-wrap: wrap; gap: clamp(1.2rem, 3vw, 2.5rem); margin: 2.4rem 0 0; padding: 1.6rem 0 0; border-top: 1px solid rgba(255, 255, 255, 0.14); }
.hero-stats div { min-width: 7rem; }
.hero-stats dt { font-family: var(--font-head); font-weight: 800; font-size: 1.6rem; color: #67e2f5; font-variant-numeric: tabular-nums; }
.hero-stats dd { margin: 0.15rem 0 0; font-size: 0.85rem; color: #9fc0cf; max-width: 12rem; }

/* hero visual: free-floating transparent device + chips.
   touch-action pan-y keeps vertical scrolling native but hands horizontal
   swipes to the carousel (otherwise iOS cancels them as scroll attempts). */
.hero-visual { position: relative; min-height: 480px; display: grid; place-items: center; touch-action: pan-y; }
.hero-device { position: relative; width: min(52%, 250px); will-change: transform; }
.device-parallax { position: relative; animation: deviceFloat 7s ease-in-out infinite; will-change: transform; }
@keyframes deviceFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-12px); } }
.device-aura {
  position: absolute; inset: -22% -38%; z-index: 0; border-radius: 50%;
  background:
    radial-gradient(closest-side, rgba(34, 211, 238, 0.45), rgba(34, 211, 238, 0.14) 55%, transparent 72%);
  filter: blur(18px);
  animation: auraPulse 5s ease-in-out infinite alternate;
  will-change: transform, opacity;
}
@keyframes auraPulse { from { opacity: 0.7; } to { opacity: 1; } }
.device-img {
  position: relative; z-index: 1; width: 100%; height: auto;
  filter: drop-shadow(0 34px 44px rgba(2, 12, 18, 0.65)) drop-shadow(0 0 32px rgba(34, 211, 238, 0.22));
  animation: deviceIn 1.1s cubic-bezier(0.16, 1, 0.3, 1) 0.15s both;
}
@keyframes deviceIn {
  from { opacity: 0; transform: translateY(60px) scale(0.82); filter: blur(10px); }
  to { opacity: 1; transform: none; filter: drop-shadow(0 34px 44px rgba(2, 12, 18, 0.65)) drop-shadow(0 0 32px rgba(34, 211, 238, 0.22)); }
}
.device-mirror {
  position: absolute; z-index: 0; left: 0; top: 100%; width: 100%; height: auto;
  transform: scaleY(-1); transform-origin: top;
  opacity: 0.22;
  -webkit-mask-image: linear-gradient(to bottom, transparent 55%, rgba(0, 0, 0, 0.9) 100%);
  mask-image: linear-gradient(to bottom, transparent 55%, rgba(0, 0, 0, 0.9) 100%);
  pointer-events: none;
}
.device-shadow {
  position: absolute; left: 4%; right: 4%; bottom: -30px; height: 44px; z-index: -1;
  background: radial-gradient(50% 100% at 50% 50%, rgba(34, 211, 238, 0.3), rgba(0, 0, 0, 0.5) 55%, transparent 78%);
  filter: blur(12px);
}

/* cold-air waves pulsing out of the grille */
.cold-waves {
  position: absolute; z-index: 2; pointer-events: none;
  left: -34%; top: 16%; width: 46%; aspect-ratio: 1;
}
.cold-waves span {
  position: absolute; inset: 0; border-radius: 50%;
  border: 2.5px solid transparent;
  border-left-color: rgba(103, 226, 245, 0.65);
  border-bottom-color: rgba(103, 226, 245, 0.35);
  transform: rotate(20deg) scale(0.35);
  opacity: 0; filter: blur(0.5px);
  animation: coldWave 3s ease-out infinite;
}
.cold-waves span:nth-child(2) { animation-delay: 1s; }
.cold-waves span:nth-child(3) { animation-delay: 2s; }
@keyframes coldWave {
  0% { transform: rotate(20deg) scale(0.3); opacity: 0; }
  18% { opacity: 0.9; }
  100% { transform: rotate(20deg) scale(1.3); opacity: 0; }
}

/* cold mist pooling at the base */
.cold-mist { position: absolute; z-index: 2; left: -10%; right: -10%; bottom: -6%; height: 26%; pointer-events: none; }
.cold-mist i {
  position: absolute; bottom: 0; width: 68%; height: 70%; border-radius: 50%;
  background: radial-gradient(50% 60% at 50% 50%, rgba(190, 240, 250, 0.3), transparent 72%);
  filter: blur(12px);
  animation: mistDrift 7s ease-in-out infinite alternate;
}
.cold-mist i:nth-child(1) { left: -4%; }
.cold-mist i:nth-child(2) { right: -4%; animation-delay: 2.4s; animation-duration: 9s; }
@keyframes mistDrift {
  from { transform: translateX(0) scaleX(1); opacity: 0.65; }
  to { transform: translateX(9%) scaleX(1.25); opacity: 1; }
}

/* frost particle overlay */
.frost-canvas { position: absolute; inset: -6%; z-index: 3; pointer-events: none; }

@media (prefers-reduced-motion: reduce) {
  .cold-waves span, .cold-mist i { animation: none !important; opacity: 0.4; }
  .frost-canvas { display: none; }
}
.hero-airflow { position: absolute; inset: -6% -10%; pointer-events: none; opacity: 0.8; }
.hero-airflow svg { width: 100%; height: 100%; }
.flow-line {
  stroke: rgba(103, 226, 245, 0.5); stroke-width: 2.5; stroke-linecap: round;
  stroke-dasharray: 14 22; animation: flowDash 3.2s linear infinite;
}
.flow-line.f2 { animation-duration: 4.1s; animation-delay: 0.6s; stroke: rgba(56, 189, 248, 0.42); }
.flow-line.f3 { animation-duration: 3.6s; animation-delay: 1.1s; stroke: rgba(139, 232, 210, 0.4); }
@keyframes flowDash { to { stroke-dashoffset: -180; } }

.float-chip {
  position: absolute; display: flex; align-items: center; gap: 0.7rem;
  background: rgba(10, 34, 47, 0.66); border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 16px; padding: 0.7rem 1rem;
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 12px 32px rgba(2, 16, 24, 0.45);
  will-change: transform; color: #eaf6fa;
}
.float-chip svg { width: 22px; height: 22px; color: #67e2f5; flex: none; }
.float-chip strong { display: block; font-family: var(--font-head); font-size: 1.02rem; font-variant-numeric: tabular-nums; }
.float-chip span { font-size: 0.72rem; color: #9fc0cf; line-height: 1.3; display: block; }
.fc-1 { top: 8%; left: 0; animation: chipFloat 6s ease-in-out infinite; }
.fc-2 { top: 12%; right: 0; animation: chipFloat 7.5s ease-in-out 0.8s infinite; }
.fc-3 { bottom: -2%; left: 4%; animation: chipFloat 8s ease-in-out 1.4s infinite; }
.temp-chip strong { white-space: nowrap; }
.temp-chip strong span { display: inline; font-size: inherit; color: #67e2f5; line-height: inherit; }
@keyframes chipFloat { 0%, 100% { transform: translateY(0); } 50% { transform: translateY(-9px); } }
.temp-chip .temp-ring {
  width: 40px; height: 40px; border-radius: 50%; flex: none;
  background: conic-gradient(#22d3ee 0 65%, rgba(255, 255, 255, 0.14) 65% 100%);
  -webkit-mask: radial-gradient(circle, transparent 55%, #000 56%);
  mask: radial-gradient(circle, transparent 55%, #000 56%);
  animation: ringSpin 9s linear infinite;
}
@keyframes ringSpin { to { transform: rotate(360deg); } }
#temp-value { color: #67e2f5; }

/* ------------------------------------------------ hero cinema (Atelier × Hauptseite) */
.hero-cinema {
  background: radial-gradient(130% 100% at 50% -15%, #10222e 0%, #081119 55%, #060d13 100%);
}
.cine-cone {
  position: absolute; left: 65%; top: -8%; translate: -50% 0; z-index: 0;
  width: min(120vw, 1100px); height: 130%; pointer-events: none;
  background: conic-gradient(from 180deg at 50% 0%,
    transparent 42%, rgba(244, 214, 180, 0.07) 47%, rgba(244, 214, 180, 0.13) 50%,
    rgba(244, 214, 180, 0.07) 53%, transparent 58%);
  transition: opacity 0.6s;
}
.cine-cone.cool {
  background: conic-gradient(from 180deg at 50% 0%,
    transparent 42%, rgba(140, 226, 245, 0.07) 47%, rgba(140, 226, 245, 0.14) 50%,
    rgba(140, 226, 245, 0.07) 53%, transparent 58%);
}
.cine-stage { position: relative; z-index: 1; display: grid; justify-items: center; align-content: center; }
.cine-temp { text-align: center; margin-bottom: 0.6rem; }
.cine-temp .num {
  font-family: "Fraunces", Georgia, serif; font-weight: 400;
  font-size: clamp(4.2rem, 8.5vw, 7rem); line-height: 1; letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  background: linear-gradient(180deg, #fff 25%, rgba(255, 255, 255, 0.22));
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.cine-temp small {
  display: block; margin-top: 0.5rem;
  font-family: var(--font-head); font-weight: 600; font-size: 0.72rem;
  letter-spacing: 0.3em; text-transform: uppercase; color: #7f98a6;
  transition: color 0.5s;
}
.stage-device { position: relative; width: min(36svh, 235px); margin-top: 1.6rem; }
.cine-rim {
  position: absolute; inset: -12% -30%; z-index: 0;
  background: radial-gradient(52% 46% at 50% 42%, rgba(244, 214, 180, 0.26), transparent 70%);
  filter: blur(22px); transition: background 0.6s;
}
.cine-rim.cool { background: radial-gradient(52% 46% at 50% 42%, rgba(120, 220, 244, 0.3), transparent 70%); }
.cine-pool {
  position: absolute; left: -28%; right: -28%; bottom: -26px; height: 56px; z-index: 0;
  background: radial-gradient(50% 100% at 50% 40%, rgba(244, 214, 180, 0.18), transparent 72%);
  filter: blur(10px); transition: background 0.6s;
}
.cine-pool.cool { background: radial-gradient(50% 100% at 50% 40%, rgba(120, 220, 244, 0.2), transparent 72%); }
.cine-cast {
  position: absolute; bottom: -2px; left: 10%; width: 100%; height: 34%; z-index: 0;
  background: radial-gradient(52% 100% at 32% 100%, rgba(0, 0, 0, 0.55), transparent 68%);
  filter: blur(11px); transform: skewX(-30deg); transform-origin: bottom left;
}
.cine-contact {
  position: absolute; bottom: -7px; left: 5%; right: 5%; height: 24px; z-index: 1;
  background: radial-gradient(50% 100% at 50% 50%, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.3) 56%, transparent 78%);
  filter: blur(5px);
}
.cine-device {
  position: relative; z-index: 2; width: 100%; height: auto; display: block;
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.55)) drop-shadow(0 24px 46px rgba(0, 0, 0, 0.45)) brightness(0.97) contrast(1.03);
}
.cine-refl {
  position: absolute; z-index: 0; left: 0; top: 99.5%; width: 100%; height: auto;
  transform: scaleY(-1); transform-origin: top; opacity: 0.13; filter: blur(2px);
  -webkit-mask-image: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.9) 100%);
  mask-image: linear-gradient(to bottom, transparent 60%, rgba(0, 0, 0, 0.9) 100%);
  pointer-events: none;
}
.stage-caption {
  margin-top: 2.4rem; font-family: var(--font-head); font-weight: 600;
  font-size: 0.78rem; letter-spacing: 0.12em; color: #7f98a6;
  font-variant-numeric: tabular-nums;
}
.device-back { display: none; }

/* ------------------------------------------------ hero lineup carousel (3D stage) */
.lu-track { position: relative; width: 100%; aspect-ratio: 520 / 1017; }
.lu-item {
  position: absolute; left: 50%; bottom: 0; width: var(--w, 100%);
  transform-origin: 50% 100%;
  transform: translate(-50%, 0) scale(1);
  transition:
    transform 0.75s cubic-bezier(0.22, 1, 0.32, 1),
    filter 0.75s ease,
    opacity 0.75s ease;
  will-change: transform, opacity;
  pointer-events: none;
}
.lu-item img { width: 100%; height: auto; display: block; -webkit-user-drag: none; user-select: none; }
.lu-item.pos-front {
  transform: translate(-50%, 0) scale(1); z-index: 4; opacity: 1;
  filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.5)) drop-shadow(0 24px 44px rgba(0, 0, 0, 0.42));
}
.lu-item.pos-front .lu-float { animation: deviceFloat 7s ease-in-out infinite; }
.lu-item.pos-right {
  transform: translate(calc(-50% + 106%), -7%) scale(0.5); z-index: 2; opacity: 0.8;
  filter: brightness(0.38) saturate(0.6) blur(1.5px) drop-shadow(0 8px 12px rgba(0, 0, 0, 0.5));
  pointer-events: auto; cursor: pointer;
}
.lu-item.pos-left {
  transform: translate(calc(-50% - 106%), -7%) scale(0.5); z-index: 2; opacity: 0.8;
  filter: brightness(0.38) saturate(0.6) blur(1.5px) drop-shadow(0 8px 12px rgba(0, 0, 0, 0.5));
  pointer-events: auto; cursor: pointer;
}
.lu-item.pos-back {
  /* peeks out over the front unit's left shoulder — clearly separated from
     the side unit, raised and hazy for a calm third depth layer */
  transform: translate(calc(-50% - 115px), -32%) scale(0.33); z-index: 1; opacity: 0.55;
  filter: brightness(0.28) saturate(0.5) blur(2.2px);
  pointer-events: auto; cursor: pointer;
}
/* the wide, low Plus Maestro has its shoulder further out — nudge the back
   unit right so the peek looks identical to the slimmer front models */
.lu-track[data-front="plus-maestro"] .lu-item.pos-back {
  transform: translate(calc(-50% - 82px), -30%) scale(0.33);
}
@media (max-width: 860px) {
  .kunde-toggle button { font-size: 0.72rem; padding: 0.28rem 0.55rem; }
  .lu-track[data-front="plus-maestro"] .lu-item.pos-back {
    transform: translate(calc(-50% - 42px), -32%) scale(0.32);
  }
}

@media (hover: hover) {
  .lu-item.pos-right:hover, .lu-item.pos-left:hover {
    filter: brightness(0.55) saturate(0.75) blur(1px) drop-shadow(0 8px 12px rgba(0, 0, 0, 0.5));
    opacity: 0.95;
  }
}

.lineup-nav { display: flex; flex-direction: column; align-items: center; gap: 0.55rem; }
.lu-row { display: flex; align-items: center; gap: 0.6rem; }
.lu-dots { display: flex; gap: 0.45rem; }
.lu-dots i {
  width: 6px; height: 6px; border-radius: 999px;
  background: rgba(255, 255, 255, 0.28);
  transition: width 0.3s cubic-bezier(0.22, 1, 0.32, 1), background 0.3s;
  cursor: pointer;
}
.lu-dots i.on { width: 20px; background: #22d3ee; }
.lu-btn {
  width: 40px; height: 40px; border-radius: 50%; cursor: pointer;
  background: rgba(255, 255, 255, 0.08); color: #dff2f8;
  border: 1px solid rgba(255, 255, 255, 0.22);
  font-size: 1.3rem; line-height: 1; padding-bottom: 3px;
  transition: background 0.2s, border-color 0.2s, transform 0.15s;
}
.lu-btn:hover { background: rgba(34, 211, 238, 0.16); border-color: #22d3ee; }
.lu-btn:active { transform: scale(0.92); }
.lu-tag {
  display: flex; align-items: baseline; gap: 0.55rem; text-decoration: none;
  background: rgba(255, 255, 255, 0.07); border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px; padding: 0.5rem 1.2rem; min-width: 200px; justify-content: center;
  transition: border-color 0.2s, background 0.2s;
}
.lu-tag:hover { border-color: #22d3ee; background: rgba(34, 211, 238, 0.12); }
.lu-tag b { font-family: var(--font-head); font-weight: 700; font-size: 0.95rem; color: #fff; white-space: nowrap; }
.lu-tag span { font-size: 0.78rem; color: #9fc0cf; white-space: nowrap; }
.device-img, .device-mirror { transition: opacity 0.2s ease, transform 0.2s ease; }
.lu-swap .device-img, .lu-swap .device-mirror { opacity: 0; transform: scale(0.94) translateY(6px); }
.device-back { transition: opacity 0.25s ease; }
.lu-swap .device-back { opacity: 0.2; }

@media (min-width: 861px) {
  .lineup-nav { position: absolute; left: 50%; bottom: -4.6rem; translate: -50% 0; z-index: 5; }
}
@media (min-width: 861px) {
  /* desktop family lineup: siblings behind the flagship — smaller, raised,
     hazier; the pointer parallax moves only the front unit for extra depth */
  .device-back {
    display: block; position: absolute; bottom: 15%; z-index: 0; height: auto;
    filter: brightness(0.35) saturate(0.6) blur(1.8px) drop-shadow(0 10px 16px rgba(0, 0, 0, 0.5));
    opacity: 0.65; pointer-events: auto;
    -webkit-mask-image: linear-gradient(to bottom, #000 70%, transparent 100%);
    mask-image: linear-gradient(to bottom, #000 70%, transparent 100%);
  }
  .back-left { left: 50%; translate: calc(-50% - 148px) 0; width: 140px; }
  .back-right { left: 50%; translate: calc(-50% + 158px) 0; width: 172px; }
}

/* scroll thermostat (fixed dial, smart-home style, fades out after the hero) */
.scroll-thermo {
  position: fixed; right: clamp(0.8rem, 2vw, 2rem); top: 50%; translate: 0 -50%; z-index: 60;
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  pointer-events: none; transition: opacity 0.25s;
}
.gauge-card {
  position: relative; width: 108px; height: 108px;
  border-radius: 50%;
  background: rgba(10, 34, 47, 0.55);
  border: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  box-shadow: 0 14px 40px rgba(2, 16, 24, 0.5), 0 0 0 4px rgba(255, 255, 255, 0.03);
}
.gauge { position: absolute; inset: 0; width: 100%; height: 100%; transform: rotate(-90deg); }
.g-ticks {
  fill: none; stroke: rgba(255, 255, 255, 0.14); stroke-width: 4;
  stroke-dasharray: 1.5 8.86; /* feine Skalenstriche rundum */
}
.g-track { fill: none; stroke: rgba(255, 255, 255, 0.1); stroke-width: 5; }
.g-arc {
  fill: none; stroke: #f0a05a; stroke-width: 5; stroke-linecap: round;
  stroke-dasharray: 314.16; stroke-dashoffset: 30;
  transition: stroke 0.3s;
  filter: drop-shadow(0 0 6px currentColor);
}
.g-center {
  position: absolute; inset: 0; display: grid; place-content: center; text-align: center;
}
.g-center b {
  font-family: var(--font-head); font-weight: 800; font-size: 1.7rem; line-height: 1;
  color: #fff; font-variant-numeric: tabular-nums; letter-spacing: -0.02em;
}
.g-center small {
  margin-top: 0.25rem; font-family: var(--font-head); font-weight: 600;
  font-size: 0.46rem; letter-spacing: 0.22em; color: #7f98a6;
}
.thermo-label {
  font-family: var(--font-head); font-weight: 700; font-size: 0.6rem;
  letter-spacing: 0.18em; text-transform: uppercase; color: #9fc0cf;
  background: rgba(10, 34, 47, 0.55); border: 1px solid rgba(255, 255, 255, 0.14);
  border-radius: 999px; padding: 0.32rem 0.75rem;
  backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px);
  transition: color 0.3s;
}
.thermo-label.cool { color: #67e2f5; }
@media (max-width: 860px) {
  /* compact corner widget so it never collides with centered copy */
  .scroll-thermo { top: auto; bottom: 0.7rem; right: 0.55rem; translate: 0 0; }
  .gauge-card { width: 54px; height: 54px; background: rgba(13, 38, 52, 0.96); }
  .g-center b { font-size: 0.95rem; }
  .g-center small { display: none; }
  .thermo-label { display: none; }

  /* ---- mobile performance: no backdrop blur, no blend modes, no infinite
     blur animations — these cause scroll jank on phone GPUs ---- */
  .site-header { background: rgba(245, 249, 251, 0.97); backdrop-filter: none; -webkit-backdrop-filter: none; }
  .hero-grain, .hero-canvas { display: none; }
  .hero-glow { animation: none; }
  .device-aura { animation: none; opacity: 0.85; }
  .float-chip { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(13, 38, 52, 0.92); }
  .gauge-card { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(13, 38, 52, 0.9); }
  .funnel-chips a { backdrop-filter: none; -webkit-backdrop-filter: none; background: rgba(255, 255, 255, 0.1); }
  .advisor-card, .spec { backdrop-filter: none; -webkit-backdrop-filter: none; }
  .cold-mist i { animation: none; opacity: 0.7; }
  .device-mirror { display: none; }
}

/* hero wave into light page */
.hero-wave { position: absolute; left: 0; right: 0; bottom: -1px; color: var(--bg); line-height: 0; z-index: 2; }
.hero-wave svg { width: 100%; height: clamp(28px, 5vw, 70px); display: block; }

/* staggered entrance */
.hero-fade { opacity: 0; transform: translateY(18px); animation: heroFade 0.7s ease-out forwards; animation-delay: calc(var(--d, 0) * 120ms); }
@keyframes heroFade { to { opacity: 1; transform: none; } }
@media (prefers-reduced-motion: reduce) {
  .hero-fade, .hero-device, .device-parallax, .device-img, .device-aura, .float-chip, .hero-glow, .flow-line, .temp-ring { animation: none !important; }
  .hero-fade, .device-img { opacity: 1; transform: none; }
}

/* ------------------------------------------------ sections */
.section { padding-block: clamp(3rem, 6vw, 5rem); }
.section-alt { background: var(--surface-tint); border-block: 1px solid var(--border); }
.section h2.center + .section-sub { margin-inline: auto; text-align: center; }
.page-head { padding: clamp(2.5rem, 5vw, 4rem) 0 0; }

/* bento feature grid */
.bento-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.1rem;
  margin-top: 2.2rem;
}
.bento-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.6rem 1.5rem 1.3rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.bento-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.bento-item h3 { margin-bottom: 0.35rem; }
.bento-item p { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }
.bento-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center; margin-bottom: 1rem;
  background: var(--accent-soft); color: var(--accent-deep);
}
.bento-icon svg { width: 24px; height: 24px; }

/* ------------------------------------------------ product cards */
.product-grid {
  display: grid; grid-template-columns: repeat(4, 1fr);
  gap: 1.2rem; margin-top: 2.2rem;
}
.product-grid.slim { grid-template-columns: repeat(3, 1fr); }
.product-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  overflow: hidden; display: flex; flex-direction: column;
  transition: transform 0.2s, box-shadow 0.2s;
}
.product-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.card-media { background: linear-gradient(160deg, #f2f8fb, #e4eef4); }
.card-media img { aspect-ratio: 1; object-fit: contain; mix-blend-mode: multiply; padding: 0.8rem; }
.card-body { padding: 1.2rem 1.3rem 1.35rem; display: flex; flex-direction: column; flex: 1; }
.card-tag {
  font-size: 0.75rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--accent); margin-bottom: 0.3rem;
}
.card-body h3 { font-size: 1.2rem; margin-bottom: 0.6rem; }
.card-body h3 a { color: var(--ink); text-decoration: none; }
.card-body h3 a:hover { color: var(--accent-deep); }
.card-chips { display: flex; flex-wrap: wrap; gap: 0.4rem; margin-bottom: 1rem; }
.chip {
  font-size: 0.78rem; color: var(--ink-soft);
  background: var(--surface-tint); border: 1px solid var(--border);
  padding: 0.22rem 0.6rem; border-radius: 999px; white-space: nowrap;
}
.chip strong { color: var(--ink); font-variant-numeric: tabular-nums; }
.card-foot { margin-top: auto; display: flex; align-items: center; justify-content: space-between; gap: 0.8rem; }
.card-price { font-family: var(--font-head); font-weight: 800; font-size: 1.25rem; color: var(--accent-deep); font-variant-numeric: tabular-nums; white-space: nowrap; }
.card-price small { font-size: 0.8em; font-weight: 600; }
.card-foot .btn { padding: 0.55rem 1rem; font-size: 0.88rem; min-height: 40px; white-space: nowrap; }
.price-note { font-size: 0.82rem; color: var(--ink-soft); margin-top: 1.4rem; }

/* ------------------------------------------------ tech teaser / diagram */
.tech-teaser-grid { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: center; }
.tech-diagram { display: flex; flex-direction: column; gap: 0.9rem; }
.diagram-step {
  display: flex; align-items: center; gap: 1rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.2rem; box-shadow: var(--shadow-sm);
}
.diagram-step p { margin: 0; font-weight: 500; }
.diagram-num {
  flex: none; width: 38px; height: 38px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent-deep); color: #fff;
  font-family: var(--font-head); font-weight: 800;
}
.diagram-step:nth-child(2) { margin-left: clamp(0rem, 3vw, 2rem); }
.diagram-step:nth-child(3) { margin-left: clamp(0rem, 6vw, 4rem); }
.tech-diagram.vertical .diagram-step { margin-left: 0; }

/* ------------------------------------------------ trust strip */
.trust-strip { background: var(--accent-deep); color: #fff; padding-block: 1.8rem; }
.trust-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1.5rem; }
.trust-item { display: flex; align-items: center; gap: 0.9rem; }
.trust-item strong { display: block; font-family: var(--font-head); font-size: 0.98rem; }
.trust-item span { font-size: 0.83rem; color: rgba(255, 255, 255, 0.75); }
.trust-icon {
  flex: none; width: 44px; height: 44px; border-radius: 12px;
  display: grid; place-items: center;
  background: rgba(255, 255, 255, 0.12); color: #9fd8e8;
}
.trust-icon svg { width: 24px; height: 24px; }

/* ------------------------------------------------ breadcrumb */
.breadcrumb {
  display: flex; flex-wrap: wrap; gap: 0.5rem; align-items: center;
  padding-top: 1.2rem; font-size: 0.85rem;
}
.breadcrumb a { color: var(--ink-soft); text-decoration: none; }
.breadcrumb a:hover { color: var(--accent-deep); text-decoration: underline; }
.breadcrumb span { color: var(--ink-soft); }
.breadcrumb [aria-current] { color: var(--ink); font-weight: 600; }

/* ------------------------------------------------ product page */
.product-hero {
  display: grid; grid-template-columns: 1.05fr 0.95fr; gap: clamp(2rem, 4vw, 3.5rem);
  padding-top: 1.5rem; padding-bottom: clamp(2rem, 4vw, 3rem);
  align-items: start;
}
.gallery-main {
  background: linear-gradient(160deg, #f2f8fb, #e4eef4);
  border: 1px solid var(--border); border-radius: var(--radius-lg); overflow: hidden;
}
.gallery-main img { aspect-ratio: 1; object-fit: contain; mix-blend-mode: multiply; padding: 1.2rem; width: 100%; }
.gallery-thumbs { display: flex; gap: 0.6rem; margin-top: 0.8rem; flex-wrap: wrap; }
.thumb {
  width: 68px; height: 68px; padding: 4px; cursor: pointer;
  background: var(--surface); border: 1.5px solid var(--border); border-radius: 10px;
  transition: border-color 0.2s;
}
.thumb img { width: 100%; height: 100%; object-fit: contain; mix-blend-mode: multiply; }
.thumb:hover { border-color: var(--accent); }
.thumb.is-active { border-color: var(--accent-deep); }

.product-info h1 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin-bottom: 0.5rem; }
.product-short { color: var(--ink-soft); font-size: 1.05rem; }
.stat-row { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 1.3rem 0; }
.stat {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.6rem 1rem; min-width: 6.5rem;
}
.stat strong { display: block; font-family: var(--font-head); font-size: 1.1rem; color: var(--accent-deep); font-variant-numeric: tabular-nums; }
.stat span { font-size: 0.78rem; color: var(--ink-soft); }
.price-box { margin: 1.2rem 0 0.4rem; }
.price { font-family: var(--font-head); font-weight: 800; font-size: 2rem; color: var(--ink); font-variant-numeric: tabular-nums; }
.price-sub { display: block; font-size: 0.82rem; color: var(--ink-soft); }
.mini-trust { list-style: none; display: flex; flex-wrap: wrap; gap: 1.2rem; padding: 1.2rem 0 0; margin: 1.2rem 0 0; border-top: 1px solid var(--border); }
.mini-trust li { display: flex; align-items: center; gap: 0.45rem; font-size: 0.85rem; font-weight: 600; color: var(--ink-soft); }
.mini-trust svg { width: 19px; height: 19px; color: var(--accent); flex: none; }

/* advantages */
.adv-grid {
  list-style: none; padding: 0; margin: 1.6rem 0 0;
  display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 0.9rem;
}
.adv-grid li, .adv-list li {
  display: flex; gap: 0.8rem; align-items: flex-start;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.95rem 1.1rem; font-weight: 500;
}
.adv-list { list-style: none; padding: 0; margin: 1.4rem 0 0; display: grid; gap: 0.8rem; }
.adv-check {
  flex: none; width: 24px; height: 24px; border-radius: 50%; margin-top: 1px;
  display: inline-grid; place-items: center;
  background: var(--accent-soft); color: var(--accent-deep);
}
.adv-check svg { width: 14px; height: 14px; }

/* specs */
.spec-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 0.7rem; margin: 1.6rem 0 0;
}
.spec-row {
  display: flex; justify-content: space-between; align-items: baseline; gap: 1rem;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.8rem 1.1rem;
}
.spec-row dt { color: var(--ink-soft); font-size: 0.92rem; }
.spec-row dd { margin: 0; font-weight: 700; font-family: var(--font-head); font-variant-numeric: tabular-nums; text-align: right; }

/* setup steps */
.setup-steps { counter-reset: step; list-style: none; padding: 0; margin: 1.4rem 0 0; display: grid; gap: 0.8rem; }
.setup-steps li {
  counter-increment: step;
  display: flex; gap: 1rem; align-items: center;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 0.9rem 1.1rem; font-weight: 500;
}
.setup-steps li::before {
  content: counter(step);
  flex: none; width: 34px; height: 34px; border-radius: 50%;
  display: grid; place-items: center;
  background: var(--accent-deep); color: #fff;
  font-family: var(--font-head); font-weight: 800; font-size: 0.95rem;
}

/* use chips */
.use-chips { display: flex; flex-wrap: wrap; gap: 0.6rem; margin-top: 1.4rem; }
.use-chip {
  background: var(--surface); border: 1px solid var(--border); border-radius: 999px;
  padding: 0.5rem 1.1rem; font-weight: 600; font-size: 0.92rem; color: var(--ink-soft);
}

.split { display: grid; grid-template-columns: 1fr 1fr; gap: clamp(2rem, 5vw, 4rem); align-items: start; }

/* ------------------------------------------------ compare table */
.table-wrap { overflow-x: auto; margin-top: 2rem; border: 1px solid var(--border); border-radius: var(--radius-lg); background: var(--surface); }
.compare-table { width: 100%; border-collapse: collapse; min-width: 640px; }
.compare-table th, .compare-table td { padding: 0.85rem 1.1rem; text-align: left; border-bottom: 1px solid var(--border); vertical-align: top; }
.compare-table thead th { font-family: var(--font-head); font-size: 0.95rem; background: var(--surface-tint); }
.compare-table thead a { color: var(--accent-deep); text-decoration: none; }
.compare-table thead a:hover { text-decoration: underline; }
.compare-table tbody th { color: var(--ink-soft); font-weight: 600; font-size: 0.9rem; white-space: nowrap; }
.compare-table td { font-variant-numeric: tabular-nums; font-weight: 500; }
.compare-table tr:last-child th, .compare-table tr:last-child td { border-bottom: none; }
.tech-compare td { font-weight: 400; color: var(--ink-soft); font-size: 0.95rem; }
.tech-compare .cmp-good { color: var(--ink); font-weight: 500; }
.tech-compare .cmp-good .adv-check { margin-right: 0.5rem; vertical-align: -6px; }

/* ------------------------------------------------ testimonials */
.quote-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.2rem; margin-top: 2.2rem; }
.quote-card {
  margin: 0; background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius-lg); padding: 1.6rem 1.5rem 1.4rem;
  display: flex; flex-direction: column; gap: 0.9rem;
  transition: transform 0.2s, box-shadow 0.2s;
}
.quote-card:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.stars { display: flex; gap: 0.15rem; color: #f2b01e; }
.stars svg { width: 16px; height: 16px; }
.quote-card blockquote { margin: 0; font-size: 1rem; line-height: 1.6; color: var(--ink); font-weight: 500; }
.quote-card figcaption { font-family: var(--font-head); font-weight: 700; font-size: 0.9rem; }
.quote-card figcaption span { display: block; font-family: var(--font-body); font-weight: 400; font-size: 0.8rem; color: var(--ink-soft); margin-top: 0.1rem; }

/* ------------------------------------------------ FAQ */
.faq-wrap { max-width: 760px; }
.faq { margin-top: 2rem; display: grid; gap: 0.7rem; }
.faq-item {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); overflow: hidden;
}
.faq-item summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 1rem;
  padding: 1rem 1.2rem;
  font-family: var(--font-head); font-weight: 700; font-size: 0.98rem;
  transition: color 0.2s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { color: var(--accent-deep); }
.faq-icon { position: relative; flex: none; width: 20px; height: 20px; }
.faq-icon::before, .faq-icon::after {
  content: ""; position: absolute; left: 50%; top: 50%; translate: -50% -50%;
  background: var(--accent-deep); border-radius: 2px;
  transition: transform 0.25s ease;
}
.faq-icon::before { width: 14px; height: 2px; }
.faq-icon::after { width: 2px; height: 14px; }
.faq-item[open] .faq-icon::after { transform: rotate(90deg); }
.faq-item p { margin: 0; padding: 0 1.2rem 1.1rem; color: var(--ink-soft); font-size: 0.95rem; }

/* ------------------------------------------------ CTA band */
.cta-band {
  background: linear-gradient(120deg, var(--accent-deep), #10618a);
  color: #fff; padding-block: clamp(2.5rem, 5vw, 4rem);
}
.cta-band h2 { color: #fff; }
.cta-band p { color: rgba(255, 255, 255, 0.85); margin-bottom: 1.5rem; }

/* ------------------------------------------------ buy button (payment-ready) */
.btn-buy {
  background: linear-gradient(120deg, #0ea5c9, #22d3ee); color: #04222e;
  box-shadow: 0 4px 18px rgba(34, 211, 238, 0.3);
}
.btn-buy:hover { background: linear-gradient(120deg, #22d3ee, #67e2f5); color: #04222e; box-shadow: 0 6px 24px rgba(34, 211, 238, 0.45); }
.btn-buy svg { width: 19px; height: 19px; }

/* ------------------------------------------------ staggered micro-reveal (info pages) */
.reveal-s { opacity: 0; transform: translateY(10px); transition: opacity 0.45s ease-out, transform 0.45s ease-out; transition-delay: var(--sd, 0ms); }
.reveal-s.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) { .reveal-s { opacity: 1; transform: none; } }

/* ------------------------------------------------ tech page animated principle */
.tech-visual { display: grid; gap: 1.2rem; }
.tech-anim {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1rem; box-shadow: var(--shadow-sm);
}
.tech-anim svg { width: 100%; height: auto; display: block; }
.warm-flow, .cool-flow { stroke-dasharray: 12 16; animation: flowDash 2.8s linear infinite; }
.warm-flow.w2, .cool-flow.c2 { animation-delay: 0.5s; animation-duration: 3.3s; }
.warm-flow.w3, .cool-flow.c3 { animation-delay: 1s; animation-duration: 3s; }
.water-drop { animation: dropFall 2.2s ease-in infinite; }
.water-drop.d2 { animation-delay: 0.7s; }
.water-drop.d3 { animation-delay: 1.4s; }
@keyframes dropFall { 0% { transform: translateY(-96px); opacity: 0; } 15% { opacity: 1; } 85% { opacity: 1; } 100% { transform: translateY(8px); opacity: 0; } }
.pad-lines { animation: padShimmer 3.5s ease-in-out infinite alternate; }
@keyframes padShimmer { from { opacity: 0.35; } to { opacity: 0.75; } }
@media (prefers-reduced-motion: reduce) { .warm-flow, .cool-flow, .water-drop, .pad-lines { animation: none !important; } }

/* ------------------------------------------------ model advisor */
.advisor {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: clamp(1.5rem, 4vw, 2.5rem); box-shadow: var(--shadow-sm);
}
.advisor-head h2 { margin-bottom: 0.3rem; }
.advisor-body { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 1.6rem; }
.advisor-q { border: none; padding: 0; margin: 0; }
.advisor-q legend {
  font-family: var(--font-head); font-weight: 700; font-size: 0.98rem;
  margin-bottom: 0.8rem; padding: 0;
}
.advisor-opts { display: flex; flex-direction: column; gap: 0.5rem; }
.advisor-opts label { cursor: pointer; display: block; }
.advisor-opts input { position: absolute; opacity: 0; pointer-events: none; }
.advisor-opts span {
  display: block; padding: 0.6rem 1rem;
  border: 1.5px solid var(--border); border-radius: 10px;
  font-weight: 600; font-size: 0.92rem; color: var(--ink-soft);
  transition: border-color 0.2s, background 0.2s, color 0.2s;
}
.advisor-opts label:hover span { border-color: var(--accent); }
.advisor-opts input:checked + span {
  border-color: var(--accent-deep); background: var(--accent-soft); color: var(--accent-deep);
}
.advisor-opts input:focus-visible + span { outline: 3px solid var(--accent); outline-offset: 2px; }
.advisor-result { margin-top: 1.8rem; }
.advisor-card {
  display: flex; gap: 1.5rem; align-items: center;
  background: linear-gradient(160deg, #f2f8fb, #e9f2f7);
  border: 1.5px solid var(--accent); border-radius: var(--radius-lg);
  padding: 1.3rem 1.6rem;
}
.advisor-card img { width: 130px; height: 130px; object-fit: contain; mix-blend-mode: multiply; flex: none; }
.advisor-card-body { flex: 1; }
.advisor-card-body h3 { font-size: 1.35rem; margin-bottom: 0.5rem; }
.advisor-card .card-foot { margin-top: 0.9rem; justify-content: flex-start; gap: 1.5rem; }
.advisor-note { font-size: 0.85rem; color: var(--ink-soft); margin: 0.5rem 0 0; }

/* ------------------------------------------------ legal pages */
.legal-prose { max-width: 46rem; }
.legal-prose h2 { font-size: 1.15rem; margin-top: 1.8rem; }
.legal-prose p { color: var(--ink-soft); }
.placeholder-note {
  background: #fff7e6; border: 1px solid #f0d9a8; border-radius: var(--radius);
  padding: 0.9rem 1.1rem; color: #7a5b16 !important; font-weight: 500;
}

/* ------------------------------------------------ contact */
.contact-form { display: grid; gap: 1.1rem; }
.form-field { display: grid; gap: 0.35rem; }
.form-field label { font-weight: 600; font-size: 0.92rem; }
.form-field input, .form-field textarea {
  font: inherit; color: var(--ink);
  background: var(--surface); border: 1.5px solid var(--border); border-radius: 10px;
  padding: 0.7rem 0.9rem; min-height: 44px;
}
.form-field input:focus, .form-field textarea:focus {
  outline: none; border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(14, 141, 176, 0.18);
}
.contact-form .btn { justify-self: start; }

/* ------------------------------------------------ footer */
.site-footer { background: #081722; color: #b6c8d4; margin-top: 0; }
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 2rem;
  padding-block: clamp(2.5rem, 5vw, 4rem) 2rem;
}
.footer-brand p { font-size: 0.92rem; max-width: 22rem; margin-top: 1rem; }
.logo-light { color: #fff; }
.logo-light:hover { color: #9fd8e8; }
.site-footer h3 { color: #fff; font-size: 0.95rem; margin-bottom: 0.9rem; }
.site-footer ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.5rem; }
.site-footer a { color: #b6c8d4; text-decoration: none; font-size: 0.92rem; }
.site-footer a:hover { color: #fff; text-decoration: underline; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.1); padding-block: 1.2rem; }
.footer-bottom p { margin: 0; font-size: 0.82rem; color: #7d93a3; }
.build-v { opacity: 0.45; font-size: 0.7rem; margin-left: 0.4rem; }

/* ------------------------------------------------ reveal animation */
.reveal { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease-out, transform 0.5s ease-out; }
.reveal.is-visible { opacity: 1; transform: none; }
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; }
}

/* ------------------------------------------------ focus */
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* ------------------------------------------------ responsive */
@media (max-width: 1024px) {
  .bento-grid { grid-template-columns: repeat(2, 1fr); }
  .trust-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .product-grid, .product-grid.slim { grid-template-columns: repeat(2, 1fr); }
  .quote-grid { grid-template-columns: 1fr; max-width: 34rem; margin-inline: auto; }
}
@media (max-width: 860px) {
  .hero-grid, .product-hero, .split, .tech-teaser-grid, .contact-grid { grid-template-columns: 1fr; }
  .advisor-body { grid-template-columns: 1fr; }
  .advisor-card { flex-direction: column; align-items: flex-start; }
  /* mobile cinema stage: temperature + device first, copy follows */
  .cine-stage { order: -1; margin: 0.6rem 0 2.2rem; }
  .cine-temp .num { font-size: 3.6rem; }
  .stage-device { width: min(44vw, 190px); margin-top: 1.1rem; }
  .stage-caption { margin-top: 1.8rem; font-size: 0.7rem; }
  /* mobile hero: device first, compact and in focus; copy centered and short */
  .hero-v2 .hero-grid { grid-template-columns: 1fr; padding-block: 2.6rem 4rem; gap: 0; }
  .hero-visual {
    order: -1;
    min-height: 0; margin: 0.8rem 0 1.4rem;
    display: flex; flex-wrap: wrap; justify-content: center; gap: 0.6rem;
  }
  /* mobile 3D stage: tighter side positions so the lineup fits the viewport */
  .hero-device { width: auto; flex: 0 0 100%; display: grid; justify-items: center; margin-bottom: 1rem; position: relative; }
  .lineup-nav { flex: 0 0 100%; justify-content: center; margin-bottom: 0.6rem; }
  .lu-btn { width: 38px; height: 38px; }
  .lu-tag { min-width: 0; padding: 0.45rem 1rem; }
  .device-parallax { width: min(33vw, 140px); position: relative; z-index: 2; }
  .lu-item.pos-right { transform: translate(calc(-50% + 92%), -7%) scale(0.52); }
  .lu-item.pos-left { transform: translate(calc(-50% - 92%), -7%) scale(0.52); }
  .lu-item.pos-back { transform: translate(calc(-50% - 62px), -34%) scale(0.32); }
  .device-mirror { display: none; }
  .float-chip { position: static; animation: none; padding: 0.55rem 0.8rem; }
  .float-chip strong { font-size: 0.92rem; }
  .hero-airflow { display: none; }
  .hero-copy { text-align: center; }
  .hero-v2 h1 { font-size: 2.05rem; }
  .hero-v2 .hero-sub { font-size: 1rem; margin-inline: auto; max-width: 30rem; }
  .sub-ext { display: none; }
  .hero-ctas { justify-content: center; }
  .funnel-chips { justify-content: center; }
  .hero-stats { display: none; }
  /* staged entrance: device appears first, copy follows */
  .hero-visual.hero-fade { animation-delay: 0.05s; }
  .hero-copy .eyebrow.hero-fade { animation-delay: 0.55s; }
  .hero-copy h1.hero-fade { animation-delay: 0.7s; }
  .hero-copy .hero-sub.hero-fade { animation-delay: 0.85s; }
  .hero-copy .hero-ctas.hero-fade { animation-delay: 1s; }
  .hero-copy .hero-funnel.hero-fade { animation-delay: 1.15s; }
  .main-nav {
    display: none;
    position: absolute; top: 68px; left: 0; right: 0;
    flex-direction: column; gap: 0.2rem;
    background: var(--surface); border-bottom: 1px solid var(--border);
    padding: 0.8rem clamp(1rem, 4vw, 2rem) 1.2rem;
    box-shadow: var(--shadow-md);
  }
  .main-nav.is-open { display: flex; }
  .main-nav a { padding: 0.8rem 1rem; border-radius: 10px; }
  .nav-burger { display: flex; }
  .header-actions { margin-left: auto; gap: 0.45rem; }
}
@media (max-width: 600px) {
  /* Zeile 1: Logo · DE/EN · Burger — Zeile 2: Schalter über die volle Breite */
  .header-inner { flex-wrap: wrap; height: auto; padding: 0.55rem 0 0.6rem; row-gap: 0.55rem; column-gap: 0.5rem; }
  .header-actions { display: contents; }
  .logo { order: 0; }
  .lang-toggle { order: 1; margin-left: auto; }
  .nav-burger { order: 2; }
  .main-nav { top: 100%; }
  .kunde-toggle { order: 3; flex: 0 0 100%; width: 100%; display: flex; }
  .kunde-toggle button { flex: 1; text-align: center; font-size: 0.86rem; padding: 0.5rem 0.6rem; }
}
@media (max-width: 560px) {
  .bento-grid { grid-template-columns: 1fr; }
  .trust-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .product-grid, .product-grid.slim { grid-template-columns: 1fr; }
  .hero-stats { gap: 1.2rem; }
}

/* ============================================================
   Ventora Klima — brand wordmark, B2B pricing, prices page
   ============================================================ */
.logo em { font-style: normal; font-weight: 600; letter-spacing: 0.02em; margin-left: 0.4em; opacity: 0.72; text-transform: none; }
.footer-sub { font-family: var(--font-head); font-size: 0.8rem; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: #9fd8e8; margin: -0.2rem 0 0.8rem; }
.card-foot { flex-wrap: wrap; }
.card-foot .btn { flex: none; padding: 0.55rem 0.9rem; }
.card-price { line-height: 1.15; }
.card-price em { display: block; white-space: normal; font-style: normal; font-family: var(--font-body); font-weight: 500; font-size: 0.74rem; color: var(--ink-soft); letter-spacing: 0; margin-top: 0.15rem; }
.price-b2b { display: block; margin-top: 0.55rem; padding-top: 0.55rem; border-top: 1px dashed var(--border); font-size: 0.88rem; color: var(--ink-soft); }
.price-b2b strong { color: var(--accent-deep); }

.price-cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem; margin-top: 2rem; }
.price-card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg);
  padding: 1.6rem 1.5rem 1.5rem; text-align: center; box-shadow: var(--shadow-sm);
  display: flex; flex-direction: column; align-items: center; gap: 0.3rem;
}
.price-card img { width: 160px; height: 160px; object-fit: contain; margin-bottom: 0.6rem; }
.price-card h3 { margin: 0; }
.price-card h3 a { color: var(--ink); text-decoration: none; }
.price-card h3 a:hover { color: var(--accent); }
.price-card-p { font-family: var(--font-head); font-weight: 800; font-size: 2.2rem; color: var(--accent-deep); font-variant-numeric: tabular-nums; margin-top: 0.4rem; line-height: 1.1; }
.price-card-p small { display: block; font-size: 0.78rem; font-weight: 600; color: var(--ink-soft); letter-spacing: 0; }
.price-card-net { font-size: 0.88rem; color: var(--ink-soft); margin: 0 0 0.9rem; }
.price-card .btn { margin-top: auto; }

.price-tables { display: grid; grid-template-columns: 1fr 1.35fr; gap: 2.5rem; align-items: start; }
.price-tables h2 { font-size: 1.4rem; }
.price-tables .table-wrap { margin-top: 0.8rem; }
.price-table { min-width: 0; }
.price-table td { text-align: right; white-space: nowrap; }
.price-table thead th:not(:first-child) { text-align: right; }
.price-table tbody th { white-space: normal; }
.price-table tbody tr:last-child td { color: var(--ink-soft); font-weight: 500; }
.price-note a { font-weight: 600; }

.price-cta { display: grid; grid-template-columns: 1.2fr 1fr; gap: 2.5rem; align-items: center; }
.price-cta-box {
  background: linear-gradient(135deg, var(--accent-deep), #0b1c28); color: #fff;
  border-radius: var(--radius-lg); padding: 2rem; box-shadow: var(--shadow-md);
}
.price-cta-box h3 { color: #fff; font-size: 1.4rem; margin-bottom: 0.4rem; }
.price-cta-box p { color: rgba(255,255,255,0.78); }
.price-cta-box .btn-primary { background: #fff; color: var(--accent-deep); }
.price-cta-box .btn-primary:hover { background: #9fd8e8; color: var(--accent-deep); }

@media (max-width: 900px) {
  .price-cards { grid-template-columns: 1fr; max-width: 420px; margin-inline: auto; }
  .price-tables, .price-cta { grid-template-columns: 1fr; gap: 2rem; }
}