:root {
  color-scheme: light;
  --ink: #173129;
  --muted: #5d6d66;
  --paper: #f5f3eb;
  --surface: #fffdf8;
  --green: #155f4a;
  --green-dark: #0d4637;
  --lime: #c9e66e;
  --line: #d8ded6;
  --shadow: 0 24px 64px rgba(18, 55, 43, .12);
  --radius: 30px;
  --max: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: radial-gradient(circle at 92% 4%, rgba(201,230,110,.24), transparent 24rem), var(--paper);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  line-height: 1.55;
}
a { color: inherit; }
img { max-width: 100%; height: auto; }
button { font: inherit; }
.page-width { width: min(var(--max), calc(100% - 32px)); margin-inline: auto; }

.skip-link {
  position: fixed;
  z-index: 100;
  left: 16px;
  top: 12px;
  padding: 10px 14px;
  border-radius: 10px;
  color: white;
  background: var(--green-dark);
  transform: translateY(-180%);
}
.skip-link:focus { transform: none; }

.site-header {
  position: sticky;
  z-index: 50;
  top: 0;
  border-bottom: 1px solid rgba(216,222,214,.85);
  background: rgba(245,243,235,.9);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
}
.nav-shell {
  width: min(var(--max), calc(100% - 32px));
  min-height: 72px;
  margin: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
}
.brand {
  font-size: 1.2rem;
  font-weight: 900;
  letter-spacing: -.035em;
  text-decoration: none;
  white-space: nowrap;
  view-transition-name: brand;
}
.brand span { color: var(--green); }
.global-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  overflow-x: auto;
  scrollbar-width: none;
}
.global-nav::-webkit-scrollbar { display: none; }
.nav-link {
  min-height: 42px;
  padding: 9px 12px;
  border-radius: 999px;
  color: var(--muted);
  text-decoration: none;
  font-weight: 760;
  white-space: nowrap;
}
.nav-link:hover, .nav-link:focus-visible { color: var(--green-dark); background: white; outline: none; }
.nav-link.nav-cta { color: white; background: var(--green); }

.intro { padding: clamp(58px, 10vw, 112px) 0 48px; }
.kicker {
  margin: 0 0 14px;
  color: var(--green);
  font-size: .78rem;
  font-weight: 900;
  letter-spacing: .14em;
  text-transform: uppercase;
}
h1, h2, h3, h4 { line-height: 1.04; letter-spacing: -.045em; text-wrap: balance; }
h1 { max-width: 1000px; margin: 0; font-size: clamp(3rem, 8.7vw, 7.3rem); }
h2 { margin: 0 0 18px; font-size: clamp(2rem, 4.7vw, 4.4rem); }
h3 { margin: 0 0 18px; font-size: clamp(2.1rem, 4.7vw, 4.5rem); }
h4 { margin: 0 0 12px; font-size: clamp(1.4rem, 2.2vw, 2rem); }
.lead { max-width: 790px; color: var(--muted); font-size: clamp(1.08rem, 2.1vw, 1.42rem); }
.status { color: var(--muted); font-size: .92rem; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 19px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255,255,255,.65);
  font-weight: 850;
  text-decoration: none;
}
.button.primary { color: white; border-color: var(--green); background: var(--green); }
.button:hover, .button:focus-visible { border-color: var(--lime); box-shadow: 0 0 0 4px rgba(201,230,110,.32); outline: none; }
.light-button { color: var(--green-dark); background: white; }

.slider-shell { padding-bottom: 26px; }
.slider-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 18px;
}
.slider-heading h2 { max-width: 850px; margin-bottom: 0; }
.slider-controls { display: flex; align-items: center; gap: 10px; flex: none; }
.slider-button {
  display: grid;
  place-items: center;
  width: 48px;
  height: 48px;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--green-dark);
  background: white;
  cursor: pointer;
  font-size: 1.35rem;
  font-weight: 900;
}
.slider-button:hover, .slider-button:focus-visible { color: white; border-color: var(--green); background: var(--green); outline: none; }
.slider-button:disabled { opacity: .38; cursor: default; }
.slide-status { min-width: 48px; color: var(--muted); text-align: center; font-variant-numeric: tabular-nums; }
.rail-nav { display: flex; gap: 8px; overflow-x: auto; padding-block: 4px; scrollbar-width: thin; }
.rail-nav a {
  min-height: 42px;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  background: rgba(255,255,255,.6);
  font-weight: 800;
  text-decoration: none;
  white-space: nowrap;
}
.rail-nav a:hover, .rail-nav a:focus-visible, .rail-nav a[aria-current="true"] { color: white; border-color: var(--green); background: var(--green); outline: none; }
.swipe-hint { margin-top: 10px; color: var(--muted); font-size: .9rem; }
.story-rail {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: min(88vw, 970px);
  gap: 18px;
  padding: 8px max(16px, calc((100vw - var(--max)) / 2)) 36px;
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  scroll-snap-type: inline mandatory;
  scroll-padding-inline: max(16px, calc((100vw - var(--max)) / 2));
  scrollbar-color: var(--green) transparent;
  scrollbar-width: thin;
}
.slide {
  position: relative;
  min-height: min(680px, calc(100svh - 126px));
  padding: clamp(28px, 5vw, 64px);
  overflow: hidden;
  scroll-snap-align: center;
  scroll-snap-stop: always;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(255,253,248,.96);
  box-shadow: var(--shadow);
}
.slide.green { color: white; border-color: var(--green); background: linear-gradient(145deg, var(--green), var(--green-dark)); }
.slide.green .kicker, .slide.green .muted { color: #dbe7ce; }
.slide.lime { background: linear-gradient(145deg, #eef7cf, var(--lime)); }
.slide-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.05fr) minmax(260px, .7fr);
  gap: clamp(28px, 5vw, 64px);
  align-items: center;
  height: 100%;
}
.slide-copy { max-width: 700px; }
.slide-copy p { max-width: 650px; }
.muted { color: var(--muted); }
.feature-list { padding: 0; list-style: none; }
.feature-list li { position: relative; margin: 10px 0; padding-left: 28px; }
.feature-list li::before { position: absolute; left: 0; content: "✓"; color: var(--lime); font-weight: 1000; }
.lime .feature-list li::before { color: var(--green); }
.visual-card { padding: 22px; border: 1px solid rgba(255,255,255,.2); border-radius: 22px; background: rgba(255,255,255,.1); }
.visual-card.light { border-color: var(--line); background: rgba(255,255,255,.67); }
.image-card { margin: 0; }
.visual-card img { display: block; width: 100%; border-radius: 16px; aspect-ratio: 1; object-fit: cover; }
.metric { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: center; padding: 14px 0; border-bottom: 1px solid rgba(23,49,41,.13); }
.metric:last-child { border-bottom: 0; }
.metric b { display: grid; place-items: center; width: 42px; height: 42px; border-radius: 50%; color: var(--green-dark); background: var(--lime); }
.signal { display: grid; grid-template-columns: 80px 1fr; gap: 14px; align-items: center; margin: 0; padding: 13px 0; border-bottom: 1px solid rgba(23,49,41,.13); }
.signal:last-child { border-bottom: 0; }
.signal strong { padding: 7px 8px; border-radius: 10px; text-align: center; font-size: .76rem; letter-spacing: .08em; }
.signal.safe strong { background: #8ed081; }
.signal.check strong { background: #f2cf5b; }
.signal.stop strong { color: white; background: #b94a48; }

.contact-section {
  display: grid;
  grid-template-columns: minmax(0,1.1fr) minmax(280px,.65fr);
  gap: clamp(30px, 7vw, 80px);
  align-items: center;
  padding: clamp(62px, 9vw, 110px) 0;
  border-top: 1px solid var(--line);
}
.contact-card { padding: 28px; border: 1px solid var(--line); border-radius: 24px; background: rgba(255,255,255,.68); }
.contact-card a:not(.button), .site-footer a { color: var(--green); }
.site-footer {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0 48px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  display: flex;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
:focus-visible { outline: 3px solid var(--lime); outline-offset: 4px; }
@view-transition { navigation: auto; }
::view-transition-old(root), ::view-transition-new(root) { animation-duration: .28s; animation-timing-function: ease-out; }

@media (max-width: 760px) {
  .page-width { width: min(100% - 24px, var(--max)); }
  .nav-shell { width: min(100% - 20px, var(--max)); min-height: 64px; }
  .nav-shell .global-nav { width: auto; min-width: 0; flex: 1 1 auto; justify-content: flex-end; margin-right: 0; padding-right: 0; overflow-x: hidden; }
  .nav-link { padding-inline: 10px; }
  .global-nav .nav-link:nth-child(2), .global-nav .nav-link:nth-child(3) { display: none; }
  .intro { padding-top: 54px; }
  .slider-heading { align-items: center; }
  .slider-heading h2 { font-size: clamp(1.8rem, 8vw, 3rem); }
  .slider-controls { gap: 6px; }
  .slider-button { width: 44px; height: 44px; }
  .story-rail { grid-auto-columns: calc(100vw - 32px); gap: 12px; padding-inline: 16px; scroll-padding-inline: 16px; }
  .slide { min-height: calc(100svh - 104px); padding: 27px 24px; border-radius: 24px; }
  .slide-grid, .contact-section { grid-template-columns: 1fr; }
  .visual-card { padding: 14px; }
  .contact-section { gap: 24px; }
  .site-footer { width: calc(100% - 24px); }
}

@media (max-width: 440px) {
  .brand { font-size: 1.08rem; }
  .global-nav .nav-link:first-child,
  .global-nav .nav-link:nth-child(5) { display: none !important; }
  .slider-heading { display: block; }
  .slider-controls { margin-top: 18px; }
  .slide { min-height: auto; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .001ms !important; animation-iteration-count: 1 !important; transition-duration: .001ms !important; }
  .story-rail { scroll-snap-type: none; }
}

@media print {
  .site-header, .rail-nav, .swipe-hint, .slider-controls { display: none; }
  body { background: white; }
  .story-rail { display: block; overflow: visible; margin: 0; padding: 0; }
  .slide { min-height: 0; margin: 0 0 18px; break-inside: avoid; box-shadow: none; }
  .contact-section { display: block; }
}

/* Unified Korntner CI mark, 2026-10-17 */
.brand{display:inline-flex;align-items:center;gap:.55rem}
.brand::before{content:"";width:2.15rem;height:2.15rem;flex:0 0 auto;border-radius:50%;background:url('/assets/korntner-ci-de-128.png') center/cover no-repeat;box-shadow:0 0 0 1px rgba(202,255,44,.35)}