/* kihelfer24.de — Landing page styles. Mobile-first. */

html { scroll-behavior: smooth; }
body { background: var(--et-parchment); color: var(--et-near-black); }
a { color: inherit; }
button { font: inherit; }

/* ---------- Layout primitives ---------- */
.kh-container { width: 100%; max-width: 640px; margin: 0 auto; padding: 0 20px; }
@media (min-width: 768px) { .kh-container { padding: 0 32px; max-width: 900px; } }
@media (min-width: 1024px) { .kh-container { max-width: 1120px; padding: 0 40px; } }

.kh-section { padding: 32px 0; }
@media (min-width: 768px) { .kh-section { padding: 48px 0; } }

/* ---------- Top bar ---------- */
.kh-topbar {
  position: sticky; top: 0; z-index: 20;
  background: rgba(20,20,19,0.92);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.kh-topbar-inner {
  width: 100%; max-width: 640px; margin: 0 auto;
  padding: 14px 20px;
  display: flex; align-items: center; justify-content: space-between;
}
@media (min-width: 768px) { .kh-topbar-inner { max-width: 900px; padding: 14px 32px; } }
@media (min-width: 1024px) { .kh-topbar-inner { max-width: 1120px; padding: 16px 40px; } }
.kh-wordmark {
  font-family: var(--et-serif);
  font-weight: 500; font-size: 19px;
  color: var(--et-ivory);
  letter-spacing: -0.04em;
  text-decoration: none;
  display: inline-flex; align-items: center; gap: 0;
  font-feature-settings: "kern" 1;
}
.kh-wordmark-dot { margin-right: 8px; }
.kh-wordmark span { margin-left: 0; letter-spacing: -0.04em; }
.kh-wordmark-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--et-terracotta);
  animation: kh-wordmark-pulse 2.2s ease-in-out infinite;
}
@keyframes kh-wordmark-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201,100,66,0.55); }
  50%      { box-shadow: 0 0 0 7px rgba(201,100,66,0); }
}
.kh-topbar-meta {
  font-family: var(--et-mono);
  font-size: 11px; letter-spacing: 0.06em;
  color: var(--et-stone);
  text-transform: uppercase;
}

/* ---------- HERO (dark) ---------- */
.kh-hero {
  background: var(--et-near-black);
  color: var(--et-ivory);
  min-height: calc(100svh - 54px);
  display: flex; flex-direction: column;
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.kh-hero-shader {
  position: absolute; inset: 0;
  z-index: 0;
  pointer-events: none;
  opacity: 0.95;
  mask-image: linear-gradient(to bottom, transparent 0%, transparent 35%, #000 55%, #000 100%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, transparent 35%, #000 55%, #000 100%);
}
.kh-hero-shader canvas { display: block; width: 100% !important; height: 100% !important; }
html[data-hero="inverted"] .kh-hero-shader   { opacity: 0.55; }
html[data-hero="brand-bold"] .kh-hero-shader { opacity: 0.6; }
.kh-hero::before, .kh-hero::after {
  content: ""; position: absolute; pointer-events: none;
  width: 520px; height: 520px; border-radius: 50%;
  filter: blur(80px); opacity: 0.35;
  z-index: 1;
}
.kh-hero::before {
  background: radial-gradient(circle, rgba(201,100,66,0.45), transparent 70%);
  top: -180px; left: -200px;
}
.kh-hero::after {
  background: radial-gradient(circle, rgba(217,119,87,0.22), transparent 70%);
  bottom: -200px; right: -200px;
}
.kh-hero-inner {
  flex: 1;
  display: flex; flex-direction: column; justify-content: flex-start;
  padding-block: 28px 16px;
  position: relative; z-index: 2;
  gap: 14px;
}
@media (min-width: 768px) {
  .kh-hero-inner { padding-block: 48px 24px; justify-content: center; gap: 0; }
}
.kh-hero-eyebrow {
  font-family: var(--et-mono);
  font-size: 11px; letter-spacing: 0.14em;
  color: var(--et-coral);
  text-transform: uppercase;
  margin-bottom: 14px;
  display: inline-flex; align-items: center; gap: 8px;
}
@media (min-width: 768px) {
  .kh-hero-eyebrow { margin-bottom: 20px; }
}
.kh-hero-eyebrow::before {
  content: ""; width: 24px; height: 1px; background: var(--et-coral);
}
.kh-hero h1 {
  font-family: var(--et-serif);
  font-weight: 500;
  font-size: clamp(24px, 6vw, 52px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 0 0 14px;
  color: var(--et-ivory);
  text-wrap: pretty;
}
@media (min-width: 768px) {
  .kh-hero h1 { margin-bottom: 24px; }
}
.kh-hero h1 em { font-style: italic; color: var(--et-coral); }
.kh-hero-sub {
  font-family: var(--et-serif);
  font-weight: 400;
  font-size: clamp(14.5px, 3.6vw, 19px);
  line-height: 1.5;
  color: var(--et-silver);
  margin: 0 0 20px;
  max-width: none;
}
@media (min-width: 768px) {
  .kh-hero-sub { margin-bottom: 32px; }
}

.kh-send {
  flex-shrink: 0;
  width: 40px; height: 40px;
  border: none; border-radius: 50%;
  background: var(--et-terracotta);
  color: var(--et-ivory);
  display: flex; align-items: center; justify-content: center;
  cursor: pointer;
  transition: background .15s, transform .05s;
}
.kh-send:hover { background: #bb5a3a; }
.kh-send:active { transform: scale(0.96); }
.kh-send svg { width: 18px; height: 18px; }

@keyframes kh-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(217,119,87,0.55); }
  50%      { box-shadow: 0 0 0 10px rgba(217,119,87,0); }
}

/* Scroll hint */
.kh-scroll-hint {
  display: flex; flex-direction: column; align-items: center;
  padding: 10px 0 14px;
  color: var(--et-stone);
  font-family: var(--et-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  position: relative; z-index: 2;
  animation: kh-bob 2s ease-in-out infinite;
  transition: opacity .4s;
  text-decoration: none;
}
@media (min-width: 768px) {
  .kh-scroll-hint { padding: 16px 0 20px; }
}
.kh-scroll-hint.hidden { opacity: 0; pointer-events: none; }
.kh-scroll-hint svg { margin-top: 6px; width: 16px; height: 16px; }
@keyframes kh-bob {
  0%, 100% { transform: translateY(0); }
  50%      { transform: translateY(4px); }
}

/* ---------- Section heading ---------- */
.kh-eyebrow {
  font-family: var(--et-mono);
  font-size: 11px; letter-spacing: 0.14em;
  color: var(--et-terracotta);
  text-transform: uppercase;
  margin: 0 0 14px;
  display: inline-flex; align-items: center; gap: 8px;
}
.kh-eyebrow::before {
  content: ""; width: 24px; height: 1px; background: var(--et-terracotta);
}
.kh-h2 {
  font-family: var(--et-serif);
  font-weight: 500;
  font-size: clamp(28px, 6vw, 42px);
  line-height: 1.1;
  letter-spacing: -0.015em;
  margin: 0 0 16px;
  color: var(--et-near-black);
  text-wrap: balance;
}
.kh-lead {
  font-family: var(--et-serif);
  font-size: 17px; line-height: 1.55;
  color: var(--et-charcoal);
  margin: 0 0 36px;
  max-width: none;
}

/* ---------- Pain tiles — full-width, bullets always visible ---------- */
.kh-tiles {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.kh-tile {
  background: var(--et-ivory);
  border: 1px solid var(--et-border-cream);
  border-radius: var(--et-r-xl);
  padding: 24px;
  text-align: left;
  cursor: pointer;
  position: relative;
  transition: border-color .15s, transform .15s, box-shadow .15s, background .15s;
  font-family: inherit;
  color: inherit;
  display: flex; flex-direction: column;
  width: 100%;
}
.kh-tile:hover {
  border-color: var(--et-terracotta);
  transform: translateY(-2px);
  box-shadow: 0 12px 32px rgba(20,20,19,0.06);
}
.kh-tile:focus-visible { outline: 2px solid var(--et-focus); outline-offset: 2px; }

.kh-tile-head {
  display: flex; gap: 18px;
  align-items: flex-start;
  margin-bottom: 18px;
}
.kh-tile-num {
  font-family: var(--et-serif);
  font-weight: 500;
  font-size: 44px;
  line-height: 1;
  color: var(--et-terracotta);
  letter-spacing: -0.02em;
  flex-shrink: 0;
  min-width: 56px;
}
.kh-tile-headtext { flex: 1; }
.kh-tile-kicker {
  font-family: var(--et-mono);
  font-size: 11px; letter-spacing: 0.12em;
  color: var(--et-stone);
  text-transform: uppercase;
  margin-bottom: 8px;
}
.kh-tile-title {
  font-family: var(--et-serif);
  font-weight: 500;
  font-size: clamp(20px, 4.8vw, 26px);
  line-height: 1.18;
  letter-spacing: -0.012em;
  color: var(--et-near-black);
  margin: 0 0 6px;
  text-wrap: balance;
}
.kh-tile-sub {
  font-family: var(--et-serif);
  font-size: 16px; line-height: 1.45;
  color: var(--et-olive);
  margin: 0;
}

.kh-tile-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  padding-top: 18px;
  border-top: 1px solid var(--et-border-cream);
}
@media (min-width: 720px) {
  .kh-tile-body { grid-template-columns: 1fr 1fr; gap: 24px; }
}

.kh-tile-bullets {
  margin: 0; padding: 0; list-style: none;
  display: flex; flex-direction: column; gap: 10px;
}
.kh-tile-bullets li {
  position: relative; padding-left: 22px;
  font-size: 15px; line-height: 1.45;
  color: var(--et-charcoal);
}
.kh-tile-bullets li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 12px; height: 1.5px; background: var(--et-terracotta);
}

.kh-tile-example {
  background: var(--et-parchment);
  border-left: 2px solid var(--et-terracotta);
  border-radius: 6px;
  padding: 14px 16px;
  font-family: var(--et-serif);
  font-size: 14.5px; line-height: 1.55;
  color: var(--et-charcoal);
}
.kh-tile-example-label {
  font-family: var(--et-mono);
  font-size: 10px; letter-spacing: 0.16em;
  color: var(--et-terracotta);
  text-transform: uppercase;
  margin-bottom: 6px;
}
.kh-tile-example b { color: var(--et-near-black); font-weight: 600; }

.kh-tile-cta {
  margin-top: 18px;
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--et-sans);
  font-size: 13.5px; font-weight: 500;
  color: var(--et-terracotta);
  align-self: flex-end;
}
.kh-tile-cta svg { width: 14px; height: 14px; transition: transform .15s; }
.kh-tile:hover .kh-tile-cta svg { transform: translateX(3px); }

.kh-tile-compact { padding: 22px 24px; }
.kh-tile-compact .kh-tile-head { margin-bottom: 0; }

/* ---------- Wasserrohr ---------- */
.kh-wasserrohr {
  background: var(--et-ivory);
  border-top: 1px solid var(--et-border-cream);
  border-bottom: 1px solid var(--et-border-cream);
}
.kh-wasserrohr-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  align-items: center;
}
@media (min-width: 820px) {
  .kh-wasserrohr-grid {
    grid-template-columns: 360px 1fr;
    gap: 48px;
  }
}

/* ---- Pipe diagram (SVG) ---- */
.kh-pipe {
  position: relative;
  margin: 0;
  width: 100%;
  max-width: 420px;
  justify-self: start;
}
.kh-pipe-svg {
  width: 100%; height: auto;
  display: block;
  overflow: visible;
}
.kh-pipe-svg-eyebrow {
  font-family: var(--et-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  fill: var(--et-charcoal);
}
.kh-pipe-svg-label {
  font-family: var(--et-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  fill: var(--et-charcoal);
  dominant-baseline: middle;
}
.kh-pipe-caption {
  margin-top: 12px;
  font-family: var(--et-serif);
  font-style: italic;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--et-olive);
  max-width: 320px;
}
@media (min-width: 820px) {
  .kh-pipe { max-width: 360px; }
}

/* ---- Wasserrohr text column ---- */
.kh-wasserrohr-text { font-family: var(--et-serif); }
.kh-wasserrohr-h2 { margin-bottom: 24px; }
.kh-wasserrohr-text p {
  font-size: clamp(16px, 3.6vw, 18px);
  line-height: 1.6;
  color: var(--et-charcoal);
  margin: 0 0 18px;
}
.kh-wasserrohr-text .kh-wasserrohr-emph {
  font-size: clamp(18px, 4vw, 21px);
  color: var(--et-near-black);
  font-weight: 500;
  font-style: italic;
}

.kh-pullquote {
  margin: 28px 0;
  padding: 4px 0 4px 22px;
  border-left: 3px solid var(--et-terracotta);
  font-family: var(--et-serif);
  font-size: clamp(20px, 4.4vw, 26px);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--et-near-black);
  font-style: italic;
  text-wrap: balance;
}

/* Thesis comparison block */
.kh-thesis {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 32px 0 28px;
}
@media (min-width: 600px) {
  .kh-thesis { grid-template-columns: 1fr 1fr; gap: 14px; }
}
.kh-thesis-no, .kh-thesis-yes {
  padding: 18px 18px 20px;
  border-radius: var(--et-r-md);
  position: relative;
  font-family: var(--et-sans);
}
.kh-thesis-no {
  background: var(--et-parchment);
  border: 1px solid var(--et-border-warm);
  opacity: 0.7;
}
.kh-thesis-no::before, .kh-thesis-yes::before {
  content: ""; display: block;
  width: 18px; height: 18px; border-radius: 50%;
  margin-bottom: 10px;
  background: var(--et-stone);
}
.kh-thesis-no::before {
  background: var(--et-stone);
  box-shadow: inset 0 0 0 6px var(--et-parchment);
}
.kh-thesis-yes {
  background: var(--et-near-black);
  color: var(--et-ivory);
}
.kh-thesis-yes::before {
  background: var(--et-terracotta);
  box-shadow: inset 0 0 0 4px var(--et-near-black);
}
.kh-thesis-label {
  display: block;
  font-family: var(--et-mono);
  font-size: 10px; letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 6px;
  color: var(--et-stone);
}
.kh-thesis-yes .kh-thesis-label { color: var(--et-coral); }
.kh-thesis-value {
  display: block;
  font-family: var(--et-serif);
  font-size: clamp(17px, 4vw, 21px);
  line-height: 1.25;
  font-weight: 500;
  letter-spacing: -0.01em;
}
.kh-thesis-no .kh-thesis-value {
  text-decoration: line-through;
  text-decoration-color: var(--et-stone);
  text-decoration-thickness: 1.5px;
  color: var(--et-olive);
}

/* ---------- Chat shell (lives in hero) ---------- */
.kh-chat-shell {
  background: var(--et-dark-surface);
  border: 1px solid #3d3d3a;
  border-radius: var(--et-r-xl);
  overflow: hidden;
  display: flex; flex-direction: column;
  height: 540px;
  max-height: 70svh;
  width: 100%;
  max-width: 560px;
  animation: kh-chat-in .3s ease-out;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
}
@keyframes kh-chat-in {
  from { opacity: 0; transform: translateY(8px); }
  to   { opacity: 1; transform: translateY(0); }
}
.kh-chat-shell[hidden] { display: none; }

/* Hero variant — grows to fill the hero's remaining space on mobile */
.kh-chat-shell-hero {
  height: auto;
  flex: 1 1 auto;
  min-height: 320px;
  max-height: 64svh;
  width: 100%;
  max-width: none;
  box-shadow: 0 24px 60px rgba(0,0,0,0.35), 0 0 0 1px rgba(217,119,87,0.18);
}
@media (min-width: 768px) {
  .kh-chat-shell-hero { flex: 0 0 auto; min-height: 360px; max-height: 60svh; }
}
.kh-chat-shell-hero .kh-chat-input-bar .kh-send {
  animation: kh-pulse 2.4s ease-in-out infinite;
}
.kh-chat-shell-hero .kh-chat-textarea:focus ~ .kh-send,
.kh-chat-shell-hero.kh-engaged .kh-chat-input-bar .kh-send {
  animation: none;
}
@keyframes kh-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(217,119,87,0.55); }
  50%      { box-shadow: 0 0 0 10px rgba(217,119,87,0); }
}

.kh-chat-header {
  padding: 10px 14px;
  border-bottom: 1px solid #3d3d3a;
  display: flex; align-items: center; gap: 10px;
  background: rgba(0,0,0,0.2);
}
@media (min-width: 768px) {
  .kh-chat-header { padding: 14px 16px; }
}
.kh-chat-avatar {
  width: 32px; height: 32px; border-radius: 50%;
  background: var(--et-terracotta);
  display: flex; align-items: center; justify-content: center;
  font-family: var(--et-serif); font-weight: 500;
  color: var(--et-ivory); font-size: 14px;
}
.kh-chat-title {
  font-family: var(--et-serif); font-size: 15px; font-weight: 500;
  color: var(--et-ivory); line-height: 1.2;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.kh-chat-status {
  font-size: 11px; color: var(--et-coral);
  display: inline-flex; align-items: center; gap: 6px;
  font-family: var(--et-mono); letter-spacing: 0.06em;
}
.kh-chat-status::before {
  content: ""; width: 7px; height: 7px; border-radius: 50%;
  background: var(--et-coral);
  animation: kh-status-pulse 1.8s ease-in-out infinite;
}
@keyframes kh-status-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(217,119,87,0.65); }
  50%      { box-shadow: 0 0 0 6px rgba(217,119,87,0); }
}

/* Mic button */
.kh-mic {
  flex-shrink: 0;
  width: 38px; height: 38px;
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 50%;
  background: rgba(255,255,255,0.05);
  color: var(--et-silver);
  display: none;
  align-items: center; justify-content: center;
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s, transform .05s;
}
.kh-mic.supported { display: flex; }
.kh-mic:hover { background: rgba(255,255,255,0.1); color: var(--et-ivory); }
.kh-mic:active { transform: scale(0.95); }
.kh-mic svg { width: 16px; height: 16px; }
.kh-mic:disabled { opacity: 0.4; cursor: not-allowed; }
.kh-mic.listening {
  background: var(--et-terracotta);
  border-color: var(--et-terracotta);
  color: var(--et-ivory);
  animation: kh-mic-pulse 1.4s ease-in-out infinite;
}
@keyframes kh-mic-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201,100,66,0.55); }
  50%      { box-shadow: 0 0 0 8px rgba(201,100,66,0); }
}
.kh-chat-close {
  background: none; border: none; padding: 6px;
  color: var(--et-silver); cursor: pointer;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s, color .15s;
}
.kh-chat-close:hover { background: rgba(255,255,255,0.06); color: var(--et-ivory); }
.kh-chat-close svg { width: 16px; height: 16px; }

.kh-chat-messages {
  flex: 1; overflow-y: auto;
  padding: 16px 14px;
  display: flex; flex-direction: column; gap: 10px;
}
@media (min-width: 768px) {
  .kh-chat-messages { padding: 20px 16px; gap: 12px; }
}
.kh-bubble {
  max-width: 85%;
  padding: 10px 14px;
  font-size: 14px; line-height: 1.45;
  border-radius: 16px;
  word-wrap: break-word;
  animation: kh-bubble-in 0.25s ease-out;
}
.kh-bubble-intro { max-width: 100%; align-self: stretch; }
@media (min-width: 768px) {
  .kh-bubble { max-width: 80%; padding: 12px 16px; font-size: 15px; border-radius: 18px; }
  .kh-bubble-intro { max-width: 100%; }
}
@keyframes kh-bubble-in {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.kh-bubble-bot {
  background: #3d3d3a;
  color: var(--et-ivory);
  border-bottom-left-radius: 6px;
  align-self: flex-start;
}
.kh-bubble-user {
  background: var(--et-terracotta);
  color: var(--et-ivory);
  border-bottom-right-radius: 6px;
  align-self: flex-end;
}
.kh-bubble-options {
  display: flex; flex-direction: column; gap: 6px;
  margin-top: 10px;
}
.kh-bubble-option {
  font: inherit; cursor: pointer;
  text-align: left;
  padding: 8px 12px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.1);
  color: var(--et-ivory);
  border-radius: 10px;
  font-size: 13.5px;
  transition: background .15s;
}
.kh-bubble-option:hover { background: rgba(217,119,87,0.2); border-color: var(--et-coral); }

.kh-typing { display: inline-flex; gap: 4px; padding: 14px 16px; background: #3d3d3a; border-radius: 18px; border-bottom-left-radius: 6px; align-self: flex-start; }
.kh-typing span {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--et-silver);
  animation: kh-typing 1.2s infinite ease-in-out;
}
.kh-typing span:nth-child(2) { animation-delay: 0.15s; }
.kh-typing span:nth-child(3) { animation-delay: 0.3s; }
@keyframes kh-typing {
  0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
  30% { opacity: 1; transform: translateY(-3px); }
}

.kh-chat-input-bar {
  border-top: 1px solid #3d3d3a;
  padding: 10px;
  display: flex; gap: 8px; align-items: flex-end;
  background: rgba(0,0,0,0.2);
}
@media (min-width: 768px) {
  .kh-chat-input-bar { padding: 12px; }
}
.kh-chat-textarea {
  flex: 1;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 10px 14px;
  color: var(--et-ivory);
  font: inherit;
  font-size: 15px;
  line-height: 1.4;
  resize: none;
  max-height: 100px;
  outline: none;
  transition: border-color .15s;
}
.kh-chat-textarea:focus { border-color: var(--et-coral); }
.kh-chat-textarea::placeholder { color: var(--et-stone); }
.kh-chat-input-bar .kh-send { width: 38px; height: 38px; }

.kh-chat-complete {
  padding: 18px 16px;
  text-align: center;
  font-family: var(--et-serif);
  font-size: 15px;
  color: var(--et-ivory);
  background: rgba(201,100,66,0.18);
  border-top: 1px solid var(--et-terracotta);
}

/* ---------- Schluss / final CTA ---------- */
.kh-schluss {
  background: var(--et-parchment);
  position: relative;
  overflow: hidden;
}
.kh-schluss::before {
  content: ""; position: absolute;
  width: 460px; height: 460px; border-radius: 50%;
  background: radial-gradient(circle, rgba(201,100,66,0.10), transparent 70%);
  top: -160px; right: -160px; pointer-events: none;
}
.kh-schluss-head {
  text-align: left;
  margin-bottom: 40px;
  max-width: 720px;
}
.kh-schluss h2 {
  font-family: var(--et-serif);
  font-weight: 500;
  font-size: clamp(30px, 6.5vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--et-near-black);
  text-wrap: balance;
}
.kh-schluss-intro {
  font-family: var(--et-serif);
  font-size: clamp(16px, 3.6vw, 18px); line-height: 1.55;
  color: var(--et-charcoal);
  margin: 0;
}

/* Stat row */
.kh-stats {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 40px;
}
@media (min-width: 600px) {
  .kh-stats { grid-template-columns: repeat(3, 1fr); gap: 16px; }
}
.kh-stat {
  background: var(--et-near-black);
  color: var(--et-ivory);
  border-radius: var(--et-r-xl);
  padding: 24px 22px;
  position: relative;
  overflow: hidden;
}
.kh-stat:nth-child(1) { background: var(--et-terracotta); }
.kh-stat:nth-child(2) { background: var(--et-near-black); }
.kh-stat:nth-child(3) {
  background: var(--et-ivory);
  color: var(--et-near-black);
  border: 1px solid var(--et-border-warm);
}
.kh-stat-value {
  font-family: var(--et-serif);
  font-size: clamp(48px, 11vw, 72px);
  line-height: 0.95;
  letter-spacing: -0.03em;
  font-weight: 500;
  margin-bottom: 14px;
}
.kh-stat:nth-child(3) .kh-stat-value { color: var(--et-terracotta); }
.kh-stat-label {
  font-family: var(--et-serif);
  font-size: 18px;
  font-weight: 500;
  line-height: 1.25;
  letter-spacing: -0.01em;
  margin-bottom: 4px;
}
.kh-stat-sub {
  font-size: 13px;
  line-height: 1.4;
  opacity: 0.75;
  font-family: var(--et-sans);
}

/* Vs cards */
.kh-vs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-bottom: 40px;
  align-items: stretch;
  position: relative;
  z-index: 1;
}
@media (min-width: 820px) {
  .kh-vs {
    grid-template-columns: 1fr 32px 1fr;
    gap: 0;
    align-items: stretch;
  }
}
.kh-vs-card {
  border-radius: var(--et-r-xl);
  padding: 28px 26px;
  position: relative;
}
.kh-vs-card h3 {
  font-family: var(--et-serif);
  font-weight: 500;
  font-size: clamp(20px, 4.4vw, 24px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  margin: 0 0 18px;
  text-wrap: balance;
}
.kh-vs-card ul {
  margin: 0; padding: 0; list-style: none;
  display: flex; flex-direction: column; gap: 10px;
}
.kh-vs-card li {
  font-family: var(--et-serif);
  font-size: 16px;
  line-height: 1.4;
  padding-left: 22px;
  position: relative;
}
.kh-vs-tag {
  display: inline-block;
  font-family: var(--et-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  padding: 4px 10px;
  border-radius: 999px;
  margin-bottom: 14px;
}

.kh-vs-card-problem {
  background: var(--et-ivory);
  border: 1px solid var(--et-border-warm);
  color: var(--et-charcoal);
}
.kh-vs-card-problem .kh-vs-tag {
  background: rgba(181,51,51,0.08);
  color: var(--et-error);
}
.kh-vs-card-problem h3 { color: var(--et-near-black); }
.kh-vs-card-problem li::before {
  content: ""; position: absolute; left: 0; top: 9px;
  width: 14px; height: 1.5px; background: var(--et-stone);
}

.kh-vs-card-result {
  background: var(--et-near-black);
  color: var(--et-ivory);
}
.kh-vs-card-result .kh-vs-tag {
  background: rgba(217,119,87,0.18);
  color: var(--et-coral);
}
.kh-vs-card-result h3 { color: var(--et-ivory); }
.kh-vs-card-result li::before {
  content: ""; position: absolute; left: 0; top: 5px;
  width: 14px; height: 14px;
  background:
    linear-gradient(45deg, transparent 50%, var(--et-coral) 50%),
    linear-gradient(-45deg, transparent 50%, var(--et-coral) 50%);
  -webkit-mask:
    linear-gradient(45deg, transparent 35%, #000 35% 65%, transparent 65%);
}
/* Simpler check mark via inline pseudo */
.kh-vs-card-result li::before {
  content: "✓"; background: transparent;
  font-family: var(--et-sans); font-weight: 700;
  color: var(--et-coral);
  width: auto; height: auto;
  font-size: 14px;
  top: 1px;
}

.kh-vs-arrow {
  display: none;
  align-items: center; justify-content: center;
  color: var(--et-terracotta);
}
.kh-vs-arrow svg { width: 24px; height: 24px; }
@media (min-width: 820px) {
  .kh-vs-arrow { display: flex; }
}

/* CTA banner */
.kh-cta-banner {
  background: var(--et-ivory);
  border: 1px solid var(--et-border-warm);
  border-radius: var(--et-r-2xl);
  padding: 32px 28px;
  display: flex; flex-direction: column;
  gap: 18px;
  align-items: flex-start;
  position: relative;
  z-index: 1;
}
@media (min-width: 820px) {
  .kh-cta-banner {
    padding: 40px 40px;
    flex-direction: row;
    align-items: center;
    gap: 32px;
  }
  .kh-cta-banner-text { flex: 1; }
}
.kh-cta-banner-headline {
  font-family: var(--et-serif);
  font-size: clamp(20px, 4.4vw, 26px);
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--et-near-black);
  margin: 0 0 6px;
  font-weight: 500;
  text-wrap: balance;
}
.kh-cta-banner-sub {
  font-family: var(--et-serif);
  font-size: 16px;
  color: var(--et-terracotta);
  margin: 0;
  font-weight: 500;
}

.kh-cta {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  background: var(--et-terracotta);
  color: var(--et-ivory);
  font-family: var(--et-sans);
  font-weight: 500;
  font-size: 16px;
  padding: 16px 26px;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  text-decoration: none;
  transition: background .15s, transform .05s, box-shadow .15s;
  box-shadow: 0 8px 24px rgba(201,100,66,0.25);
  white-space: nowrap;
}
.kh-cta-short { display: inline; }
.kh-cta-long  { display: none; }
@media (min-width: 560px) {
  .kh-cta-short { display: none; }
  .kh-cta-long  { display: inline; }
}
.kh-cta:hover { background: #bb5a3a; box-shadow: 0 12px 32px rgba(201,100,66,0.32); }
.kh-cta:active { transform: translateY(1px); }
.kh-cta svg { width: 18px; height: 18px; }
.kh-cta-note {
  display: block;
  font-size: 12.5px; color: var(--et-olive);
  line-height: 1.5;
  flex-basis: 100%;
}
@media (min-width: 820px) {
  .kh-cta-note { flex-basis: auto; max-width: 200px; font-size: 12px; }
}

/* ---------- Footer ---------- */
.kh-footer {
  background: var(--et-near-black);
  color: var(--et-silver);
  padding: 48px 0 40px;
}
.kh-footer-inner {
  display: flex; flex-direction: column; gap: 18px;
  font-size: 13.5px; line-height: 1.55;
}
@media (min-width: 768px) {
  .kh-footer-inner { flex-direction: row; align-items: center; justify-content: space-between; }
}
.kh-footer-links { display: flex; flex-wrap: wrap; gap: 18px; }
.kh-footer-links a { color: var(--et-coral); text-decoration: none; }
.kh-footer-links a:hover { text-decoration: underline; }

/* Warning / consent-prompt bubble */
.kh-bubble.kh-bubble-warn {
  background: rgba(217, 119, 87, 0.12);
  border: 1px solid rgba(217, 119, 87, 0.28);
  color: var(--et-coral);
  font-size: 13.5px;
  max-width: 100%;
  align-self: stretch;
}

/* ============ Wasserrohr list (simplified prose) ============ */
.kh-wasserrohr-list {
  list-style: none;
  padding: 0;
  margin: 0 0 24px 0;
}
.kh-wasserrohr-list li {
  padding: 6px 0 6px 20px;
  position: relative;
  color: var(--et-charcoal);
  font-size: clamp(15px, 2.2vw, 17px);
  border-bottom: 1px solid var(--et-border-cream);
}
.kh-wasserrohr-list li::before {
  content: "·";
  position: absolute;
  left: 0;
  color: var(--et-terracotta);
  font-weight: 700;
}

/* ============ Logo strip ============ */
.kh-logos { background: var(--et-parchment); padding: 40px 0; }
.kh-logos-inner { text-align: center; }
.kh-logos-headline {
  font-size: clamp(15px, 2.2vw, 18px);
  color: var(--et-charcoal);
  margin: 6px 0 28px;
  font-family: var(--et-serif);
  font-style: italic;
}
.kh-logo-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  align-items: center;
}
.kh-logo-badge {
  padding: 8px 18px;
  border: 1px solid var(--et-border-warm);
  border-radius: 6px;
  background: var(--et-ivory);
  color: var(--et-olive);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.02em;
  font-family: var(--et-sans);
}

/* ============ Handwerker Zitate ============ */
.kh-zitate { background: var(--et-ivory); }
.kh-zitat-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin: 28px 0 24px;
}
@media (min-width: 768px) {
  .kh-zitat-grid { grid-template-columns: repeat(3, 1fr); }
}
.kh-zitat {
  padding: 18px 20px;
  background: var(--et-parchment);
  border-left: 3px solid var(--et-terracotta);
  border-radius: 0 6px 6px 0;
  font-family: var(--et-serif);
  font-style: italic;
  font-size: clamp(14px, 2vw, 16px);
  color: var(--et-charcoal);
  line-height: 1.5;
}
.kh-zitate-cta {
  font-size: clamp(15px, 2.2vw, 17px);
  color: var(--et-near-black);
  font-weight: 600;
  text-align: center;
  margin: 8px 0 0;
}

/* ============ 4-Step Prozess ============ */
.kh-prozess { background: var(--et-parchment); }
.kh-steps {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-top: 36px;
}
@media (min-width: 768px) {
  .kh-steps { grid-template-columns: repeat(5, 1fr); gap: 20px; }
}
.kh-step {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 12px;
}
.kh-step-num {
  width: 40px;
  height: 40px;
  background: var(--et-terracotta);
  color: #fff;
  font-size: 16px;
  font-weight: 700;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-family: var(--et-sans);
}
.kh-step-title {
  font-size: clamp(14px, 2vw, 16px);
  font-weight: 700;
  color: var(--et-near-black);
  line-height: 1.3;
}
.kh-step-desc {
  font-size: clamp(13px, 1.8vw, 14px);
  color: var(--et-olive);
  line-height: 1.55;
  margin-top: 2px;
}

/* ============ Orchester — connect existing tools via KI ============ */
.kh-orchestra {
  background: var(--et-near-black);
  color: var(--et-ivory);
  position: relative;
  overflow: hidden;
  isolation: isolate;
}
.kh-orchestra::before,
.kh-orchestra::after {
  content: ""; position: absolute; pointer-events: none;
  width: 520px; height: 520px; border-radius: 50%;
  filter: blur(90px); opacity: 0.32;
  z-index: 0;
}
.kh-orchestra::before {
  background: radial-gradient(circle, rgba(201,100,66,0.55), transparent 70%);
  top: -240px; left: -180px;
}
.kh-orchestra::after {
  background: radial-gradient(circle, rgba(217,119,87,0.25), transparent 70%);
  bottom: -240px; right: -180px;
}
.kh-orchestra .kh-container { position: relative; z-index: 1; }
.kh-orchestra .kh-eyebrow { color: var(--et-coral); }
.kh-orchestra .kh-eyebrow::before { background: var(--et-coral); }
.kh-orchestra .kh-h2 { color: var(--et-ivory); }
.kh-orchestra .kh-lead { color: var(--et-silver); }

.kh-orchestra-stage {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.4fr) minmax(0, 1fr);
  grid-template-rows: auto auto auto;
  gap: clamp(10px, 1.8vw, 22px);
  align-items: stretch;
  margin: 36px 0 28px;
  min-height: 420px;
}
@media (min-width: 768px) {
  .kh-orchestra-stage { min-height: 520px; gap: clamp(14px, 1.6vw, 28px); }
}

.kh-orchestra-lines {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  overflow: visible;
  z-index: 0;
}

.kh-orchestra-tool {
  position: relative;
  z-index: 2;
  min-width: 0;
  display: flex; align-items: center; gap: 10px;
  padding: 12px 12px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.10);
  border-radius: var(--et-r-md);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  color: var(--et-silver);
  opacity: 0;
  transform: translateY(6px);
  transition: border-color .25s, color .25s, background .25s;
}
@media (min-width: 640px) {
  .kh-orchestra-tool { padding: 14px 14px; gap: 12px; }
}
.kh-orch-active .kh-orchestra-tool {
  animation:
    kh-tool-in .55s cubic-bezier(.2,.7,.3,1) forwards,
    kh-tool-wake .6s ease-out forwards;
  animation-delay: var(--td, 0s), calc(var(--td, 0s) + 1.6s);
}
@keyframes kh-tool-in {
  from { opacity: 0; transform: translateY(8px) scale(.96); }
  to   { opacity: 1; transform: translateY(0)    scale(1);   }
}
@keyframes kh-tool-wake {
  to {
    color: var(--et-ivory);
    border-color: rgba(217,119,87,0.45);
    background: rgba(217,119,87,0.08);
  }
}

.kh-tool-icon {
  flex-shrink: 0;
  width: 34px; height: 34px;
  border-radius: 8px;
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.10);
  display: flex; align-items: center; justify-content: center;
  color: var(--et-coral);
}
.kh-tool-icon svg { width: 18px; height: 18px; }

.kh-tool-text { min-width: 0; flex: 1 1 auto; display: flex; flex-direction: column; gap: 1px; }
.kh-tool-name, .kh-tool-sub { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.kh-tool-name {
  font-family: var(--et-sans);
  font-size: clamp(13px, 1.8vw, 15px);
  font-weight: 500;
  color: var(--et-ivory);
  line-height: 1.15;
  letter-spacing: -0.005em;
}
.kh-tool-sub {
  font-family: var(--et-mono);
  font-size: clamp(9.5px, 1.3vw, 10.5px);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--et-stone);
  line-height: 1.2;
}

.kh-tool-pos-1 { grid-column: 1; grid-row: 1; }
.kh-tool-pos-2 { grid-column: 2; grid-row: 1; }
.kh-tool-pos-3 { grid-column: 3; grid-row: 1; }
.kh-tool-pos-4 { grid-column: 1; grid-row: 2; }
.kh-tool-pos-5 { grid-column: 3; grid-row: 2; }
.kh-tool-pos-6 { grid-column: 1; grid-row: 3; }
.kh-tool-pos-7 { grid-column: 2; grid-row: 3; }
.kh-tool-pos-8 { grid-column: 3; grid-row: 3; }

.kh-orchestra-hub {
  position: relative;
  grid-column: 2; grid-row: 2;
  z-index: 2;
  display: flex; align-items: center; justify-content: center;
  min-height: 140px;
}
.kh-hub-card {
  position: relative;
  width: 100%;
  max-width: 280px;
  padding: 16px 18px 14px;
  background: linear-gradient(180deg, #1a1a18 0%, #0d0d0c 100%);
  border: 1px solid rgba(217,119,87,0.35);
  border-radius: var(--et-r-lg);
  box-shadow:
    0 18px 50px rgba(0,0,0,0.5),
    0 0 0 1px rgba(217,119,87,0.18) inset,
    0 0 36px rgba(217,119,87,0.15);
  text-align: center;
  opacity: 0;
  transform: scale(.9);
}
.kh-orch-active .kh-hub-card {
  animation: kh-hub-in .7s cubic-bezier(.2,.7,.3,1) .9s forwards;
}
@keyframes kh-hub-in {
  to { opacity: 1; transform: scale(1); }
}
.kh-hub-aura {
  position: absolute; inset: -14px;
  border-radius: var(--et-r-xl);
  border: 1px solid rgba(217,119,87,0.4);
  opacity: 0;
  pointer-events: none;
}
.kh-orch-active .kh-hub-aura {
  animation: kh-hub-aura 2.6s ease-out 1.2s infinite;
}
@keyframes kh-hub-aura {
  0%   { opacity: 0.6; transform: scale(.94); }
  100% { opacity: 0;   transform: scale(1.18); }
}
.kh-hub-wordmark {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--et-serif);
  font-weight: 500;
  font-size: clamp(17px, 2.4vw, 21px);
  letter-spacing: -0.03em;
  color: var(--et-ivory);
}
.kh-hub-dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--et-terracotta);
  box-shadow: 0 0 0 0 rgba(217,119,87,0.55);
  animation: kh-hub-dot-pulse 1.8s ease-in-out infinite;
}
@keyframes kh-hub-dot-pulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(217,119,87,0.55); }
  50%      { box-shadow: 0 0 0 6px rgba(217,119,87,0); }
}
.kh-hub-24 { color: var(--et-coral); }
.kh-hub-divider {
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217,119,87,0.4), transparent);
  margin: 10px 0 8px;
}
.kh-hub-tag {
  font-family: var(--et-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--et-coral);
  margin-bottom: 8px;
}
.kh-hub-stream {
  position: relative;
  height: 24px;
  overflow: hidden;
}
.kh-hub-task {
  position: absolute;
  inset: 0;
  display: flex; align-items: center; justify-content: center;
  gap: 6px;
  font-family: var(--et-mono);
  font-size: 11px;
  line-height: 1;
  color: var(--et-silver);
  letter-spacing: 0.02em;
  white-space: nowrap;
  opacity: 0;
}
.kh-hub-task::before {
  content: "›";
  color: var(--et-coral);
  font-family: var(--et-serif);
  font-size: 14px;
  line-height: 1;
}
.kh-orch-active .kh-hub-task {
  animation: kh-hub-task 14s linear 2.4s infinite;
}
.kh-orch-active .kh-hub-task:nth-child(1) { animation-delay: 2.4s; }
.kh-orch-active .kh-hub-task:nth-child(2) { animation-delay: 5.2s; }
.kh-orch-active .kh-hub-task:nth-child(3) { animation-delay: 8.0s; }
.kh-orch-active .kh-hub-task:nth-child(4) { animation-delay: 10.8s; }
.kh-orch-active .kh-hub-task:nth-child(5) { animation-delay: 13.6s; }
@keyframes kh-hub-task {
  0%   { opacity: 0; transform: translateY(6px); }
  4%   { opacity: 1; transform: translateY(0); }
  16%  { opacity: 1; transform: translateY(0); }
  20%  { opacity: 0; transform: translateY(-6px); }
  100% { opacity: 0; transform: translateY(-6px); }
}

.kh-orch-track {
  stroke: rgba(217,119,87,0.18);
  stroke-width: 1;
  stroke-dasharray: 2 5;
  stroke-linecap: round;
  opacity: 0;
}
.kh-orch-active .kh-orch-track {
  animation: kh-orch-track-in .8s ease-out forwards;
  animation-delay: calc(1.2s + var(--ti, 0s));
}
@keyframes kh-orch-track-in {
  to { opacity: 1; }
}
.kh-orch-pulse {
  stroke: var(--et-coral);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-dasharray: 5 600;
  stroke-dashoffset: 600;
  opacity: 0;
  filter: drop-shadow(0 0 4px rgba(217,119,87,0.6));
}
.kh-orch-active .kh-orch-pulse {
  opacity: 1;
  animation: kh-orch-pulse-along 3s linear infinite;
  animation-delay: calc(1.8s + var(--ti, 0s));
}
@keyframes kh-orch-pulse-along {
  from { stroke-dashoffset: var(--from, 600); }
  to   { stroke-dashoffset: var(--to, 0); }
}

@media (max-width: 539px) {
  .kh-orchestra-stage { gap: 8px; min-height: 380px; }
  .kh-orchestra-tool { padding: 8px 8px; gap: 7px; border-radius: 10px; }
  .kh-tool-icon { width: 26px; height: 26px; border-radius: 6px; }
  .kh-tool-icon svg { width: 14px; height: 14px; }
  .kh-tool-name { font-size: 12px; }
  .kh-tool-sub { font-size: 9px; letter-spacing: 0.06em; }
  .kh-hub-card { padding: 12px 10px 10px; max-width: 200px; }
  .kh-hub-stream { height: 22px; }
  .kh-hub-task { font-size: 10px; gap: 5px; }
  .kh-hub-task::before { font-size: 12px; }
}

.kh-orchestra-foot {
  display: flex; flex-direction: column;
  gap: 18px;
  margin-top: 8px;
}
@media (min-width: 768px) {
  .kh-orchestra-foot {
    flex-direction: row; align-items: center; justify-content: space-between;
    gap: 32px; margin-top: 20px;
  }
}
.kh-orchestra-chips {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.kh-orch-chip {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 7px 12px 7px 10px;
  border-radius: 999px;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.10);
  font-family: var(--et-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--et-silver);
}
.kh-orch-chip-dot {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--et-coral);
  flex-shrink: 0;
}
.kh-orchestra-claim {
  font-family: var(--et-serif);
  font-size: clamp(15px, 3.4vw, 17px);
  line-height: 1.45;
  color: var(--et-silver);
  margin: 0;
  max-width: 520px;
}
.kh-orchestra-claim em {
  font-style: italic;
  color: var(--et-coral);
}