/* InfraQ Arztpraxis IT Deggendorf
   Design-DNA: infraq.cloud + kuehler Shift zur Passau-/Basis-Variante
   Markenanker: InfraQ-Blau (#2e31e1) fuer Primary-CTAs
   Cool Palette: Deep Cool Clinic Mist + Cool Mist Teal / Soft Aqua
*/

/* ==========================================================================
   Tokens
   ========================================================================== */

:root {
  --color-primary: #2e31e1;
  --color-primary-hover: #2528c4;
  --color-primary-soft: rgba(46, 49, 225, 0.12);

  /* Funnel-Akzent: Cool Mist Teal — klinisch-ruhig, kuehler als Basis */
  --color-theme: #355f6e;
  --color-theme-hover: #2a4e56;
  --color-theme-soft: rgba(53, 95, 110, 0.12);
  --color-mist: #5f93a5;
  --color-mist-soft: rgba(95, 147, 165, 0.18);
  --color-cool: #4a6d7e;
  --color-cool-soft: rgba(74, 109, 126, 0.12);
  --color-warm: #a68a62;
  --color-warm-soft: rgba(166, 138, 98, 0.16);

  /* Warmer Porcelain-Neutral — eigener Section-Rhythmus */
  --color-bg: #ffffff;
  --color-bg-soft: #ebe7e1;
  --color-surface: #fbfaf7;
  --color-surface-alt: #efebe5;

  --color-dark: #121c24;
  --color-dark-2: #18242c;
  --color-ink: #161e22;
  --color-muted: #5c686a;

  --color-text: #ffffff;
  --color-text-soft: #b9c5c6;
  --color-border: rgba(26, 34, 36, 0.1);
  --color-border-strong: rgba(26, 34, 36, 0.16);
  --color-border-dark: rgba(255, 255, 255, 0.12);

  --ok: #3f7f74;
  --ok-soft: rgba(63, 127, 116, 0.14);
  --review: #a68a62;
  --review-soft: rgba(166, 138, 98, 0.16);
  --elevated: #b86b58;
  --elevated-soft: rgba(184, 107, 88, 0.14);

  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", Arial, sans-serif;
  --font-display: "Outfit", "Segoe UI", Arial, sans-serif;

  --space-xs: clamp(0.4rem, 0.35rem + 0.2vw, 0.55rem);
  --space-sm: clamp(0.65rem, 0.55rem + 0.35vw, 0.9rem);
  --space-md: clamp(1rem, 0.9rem + 0.45vw, 1.35rem);
  --space-lg: clamp(1.5rem, 1.25rem + 0.9vw, 2.25rem);
  --space-xl: clamp(2.25rem, 1.75rem + 1.8vw, 3.5rem);
  --space-2xl: clamp(3.25rem, 2.5rem + 2.8vw, 5.25rem);

  --container: 1120px;
  --container-narrow: 720px;
  --header-height: 76px;
  --gutter: clamp(1rem, 0.85rem + 0.8vw, 1.5rem);

  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 18px;
  --radius-pill: 999px;

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --duration: 180ms;
  --focus: 0 0 0 3px rgba(46, 49, 225, 0.28);
  --shadow-soft: 0 10px 30px rgba(26, 34, 36, 0.06);
}

/* ==========================================================================
   Reset & base
   ========================================================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
}

body {
  margin: 0;
  font-family: var(--font);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.0625rem);
  line-height: 1.65;
  color: var(--color-ink);
  background: var(--color-bg);
  overflow-x: hidden;
  text-rendering: optimizeLegibility;
}

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

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-primary-hover);
}

ul,
ol {
  margin: 0;
  padding: 0;
}

[hidden] {
  display: none !important;
}

:focus-visible {
  outline: none;
  box-shadow: var(--focus);
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -4rem;
  z-index: 1000;
  background: var(--color-primary);
  color: #fff;
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  font-weight: 650;
}

.skip-link:focus {
  top: 1rem;
}

/* ==========================================================================
   Layout helpers
   ========================================================================== */

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

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

.narrow-text {
  max-width: 42rem;
}

.section {
  padding: clamp(3rem, 6.5vw, 5rem) 0;
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.section-intro {
  margin-bottom: var(--space-xl);
}

.section-intro p,
.section-lead,
.lead {
  color: var(--color-muted);
  max-width: min(52rem, 100%);
  margin: 0;
}

.section-tight {
  padding-block: clamp(2.25rem, 5vw, 3.5rem);
}

.bg-soft {
  background: var(--color-bg-soft);
}

.bg-surface {
  background: var(--color-surface);
}

.bg-mist {
  background: var(--color-surface-alt);
}

/* ==========================================================================
   Typography
   ========================================================================== */

h1,
h2 {
  font-family: var(--font-display);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 0 0 0.7rem;
  text-wrap: balance;
  color: inherit;
}

h3,
h4 {
  font-family: var(--font-display);
  line-height: 1.35;
  letter-spacing: -0.02em;
  margin: 0 0 0.7rem;
  text-wrap: balance;
  color: inherit;
}

h1 {
  font-size: clamp(2rem, 1.55rem + 2.4vw, 3.35rem);
  font-weight: 800;
  max-width: 16ch;
}

h2 {
  font-size: clamp(1.55rem, 1.25rem + 1.4vw, 2.3rem);
  font-weight: 750;
  max-width: 22ch;
}

h3 {
  font-size: clamp(1.1rem, 1.02rem + 0.35vw, 1.3rem);
  font-weight: 700;
}

p {
  margin: 0 0 1em;
}

p:last-child {
  margin-bottom: 0;
}

.small,
.fine-print {
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--color-muted);
}

.eyebrow,
.section-kicker {
  display: inline-block;
  margin: 0 0 0.85rem;
  color: var(--color-theme);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
}

.eyebrow-on-dark,
.section-ink .eyebrow,
.section-ink .section-kicker,
.section-close .eyebrow,
.section-final .eyebrow {
  color: var(--color-mist);
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 48px;
  padding: 0.75rem 1.35rem;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  text-decoration: none;
  font-weight: 650;
  cursor: pointer;
  transition:
    background var(--duration) var(--ease),
    border-color var(--duration) var(--ease),
    color var(--duration) var(--ease),
    transform var(--duration) var(--ease);
}

.btn:hover {
  text-decoration: none;
}

.btn-primary {
  background: var(--color-primary);
  color: #fff;
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  color: #fff;
}

.btn-secondary,
.btn-ghost {
  background: transparent;
  color: var(--color-ink);
  border-color: var(--color-border-strong);
}

.btn-secondary:hover,
.btn-ghost:hover {
  border-color: var(--color-theme);
  color: var(--color-theme-hover);
  background: var(--color-theme-soft);
}

.btn-theme {
  background: var(--color-theme);
  color: #fff;
}

.btn-theme:hover {
  background: var(--color-theme-hover);
  color: #fff;
}

.btn-on-dark {
  border-color: rgba(255, 255, 255, 0.28);
  color: #fff;
  background: transparent;
}

.btn-on-dark:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.45);
  color: #fff;
}

.btn-lg {
  min-height: 54px;
  padding-inline: 1.5rem;
}

.btn-arrow {
  transition: transform var(--duration) var(--ease);
}

.btn:hover .btn-arrow {
  transform: translateX(3px);
}

.text-link {
  color: var(--color-theme);
  font-weight: 650;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.text-link:hover {
  color: var(--color-primary);
  border-bottom-color: currentColor;
}

/* ==========================================================================
   Header / Navigation
   ========================================================================== */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  height: var(--header-height);
  background: rgba(238, 241, 243, 0.9);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid transparent;
  transition:
    height var(--duration) var(--ease),
    border-color var(--duration) var(--ease),
    background var(--duration) var(--ease);
}

.site-header.is-scrolled {
  --header-height: 64px;
  border-bottom-color: var(--color-border);
  background: rgba(247, 249, 250, 0.96);
}

.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  line-height: 0;
  text-decoration: none;
  background: none !important;
  border: 0;
  padding: 0;
  box-shadow: none !important;
  border-radius: 0;
  filter: none;
}

.logo:hover {
  background: none !important;
  box-shadow: none !important;
}

.logo img {
  width: auto;
  height: clamp(36px, 4.2vw, 48px);
  max-height: 48px;
  max-width: min(220px, 56vw);
  aspect-ratio: 2341 / 620;
  object-fit: contain;
  object-position: left center;
  display: block;
  background: none;
  padding: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
  filter: none;
}

.site-header.is-scrolled .logo img {
  height: clamp(32px, 3.8vw, 42px);
  max-height: 42px;
}

@media (max-width: 379.98px) {
  .logo img,
  .site-header.is-scrolled .logo img {
    height: 32px;
    max-height: 32px;
  }
}

.nav-desktop {
  display: none;
  gap: 1.35rem;
  margin-left: auto;
  margin-right: 0.25rem;
}

.nav-desktop a {
  color: var(--color-muted);
  text-decoration: none;
  font-size: 0.94rem;
  font-weight: 550;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
}

.nav-desktop a:hover {
  color: var(--color-ink);
}

.btn-nav {
  display: none;
}

.nav-toggle {
  margin-left: auto;
  width: 44px;
  height: 44px;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: transparent;
  display: inline-flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  cursor: pointer;
  padding: 0;
}

.nav-toggle span {
  display: block;
  width: 18px;
  height: 2px;
  background: var(--color-ink);
  transition: transform var(--duration) var(--ease), opacity var(--duration) var(--ease);
}

.nav-toggle[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
}

.nav-toggle[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

.nav-mobile {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.25rem var(--gutter) 1.15rem;
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
}

.nav-mobile a {
  color: var(--color-ink);
  text-decoration: none;
  padding: 0.65rem 0;
  font-weight: 550;
  min-height: 44px;
  display: flex;
  align-items: center;
}

.nav-mobile .btn {
  margin-top: 0.35rem;
  width: 100%;
}

@media (min-width: 1024px) {
  .nav-desktop {
    display: flex;
  }

  .btn-nav {
    display: inline-flex;
  }

  .nav-toggle {
    display: none;
  }

  .nav-mobile {
    display: none !important;
  }
}

/* ==========================================================================
   Hero — copy left + praxis system visual right
   ========================================================================== */

.hero {
  position: relative;
  padding: clamp(2.35rem, 5.5vw, 4.25rem) 0 clamp(2.75rem, 6vw, 4.75rem);
  background: var(--color-bg);
  overflow: hidden;
}

.hero-grid {
  position: relative;
  display: grid;
  gap: var(--space-xl);
  align-items: center;
}

.hero-copy {
  max-width: 36rem;
}

.hero-region {
  margin: 0 0 0.85rem;
  color: var(--color-muted);
  font-size: 0.95rem;
  font-weight: 500;
}

.hero-lead {
  color: var(--color-muted);
  max-width: 38rem;
  margin: 0 0 1.4rem;
  font-size: clamp(1.02rem, 0.98rem + 0.2vw, 1.12rem);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.85rem 1.15rem;
  margin-bottom: 1.25rem;
}

.hero-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1.05rem;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.hero-meta li {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.hero-meta li::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--color-mist);
  transform: rotate(45deg);
}

/* Praxis system board — stacked layers, no absolute label layout */
.praxis-board {
  position: relative;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  padding: 1.15rem 1.1rem 1.25rem;
  box-shadow: var(--shadow-soft);
  min-width: 0;
  overflow: hidden;
}

.praxis-board-label {
  margin: 0 1.5rem 1rem 0;
  font-size: 0.8rem;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-theme);
  font-weight: 700;
}

.praxis-layers {
  list-style: none;
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;

}

.praxis-layers li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding: 0.72rem 0.85rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  min-width: 0;
}

.praxis-layers .layer-tag {
  flex-shrink: 0;
  min-width: 2.35rem;
  height: 1.55rem;
  margin-top: 0.1rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  font-size: 0.72rem;
  font-weight: 750;
  letter-spacing: 0.04em;
  color: var(--color-theme);
  background: var(--color-theme-soft);
}

.praxis-layers .layer-copy {
  display: grid;
  gap: 0.2rem;
  min-width: 0;
}

.praxis-layers strong {
  font-family: var(--font-display);
  font-size: 0.98rem;
  letter-spacing: -0.02em;
  font-weight: 700;
  line-height: 1.25;
  overflow-wrap: anywhere;
}

.praxis-layers span {
  color: var(--color-muted);
  font-size: 0.84rem;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.praxis-layers li.is-core {
  border-color: rgba(61, 111, 116, 0.28);
  background: var(--color-theme-soft);
}

.praxis-layers li.is-core .layer-tag {
  background: var(--color-theme);
  color: #fff;
}

.praxis-board-note {
  margin-top: 0.95rem;
  font-size: 0.84rem;
  color: var(--color-muted);
  max-width: 34ch;
}

.praxis-pulse {
  position: absolute;
  right: 1rem;
  top: 1rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--color-mist);
  box-shadow: 0 0 0 0 rgba(126, 168, 171, 0.55);
  animation: praxis-pulse 2.4s var(--ease) infinite;
  pointer-events: none;
  z-index: 1;
}

@keyframes praxis-pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(126, 168, 171, 0.5);
  }
  70% {
    box-shadow: 0 0 0 12px rgba(126, 168, 171, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(126, 168, 171, 0);
  }
}

@media (min-width: 900px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
    gap: clamp(2rem, 4vw, 3.25rem);
  }
}

@media (min-width: 1280px) {
  .hero-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(300px, 0.85fr);
  }
}

/* ==========================================================================
   Problem / dependency — mixed layout
   ========================================================================== */

.section-problems {
  background: var(--color-surface);
  border-block: 1px solid var(--color-border);
}

.problem-layout {
  display: grid;
  gap: var(--space-lg);
}

.problem-featured {
  display: grid;
  gap: 0.85rem;
  padding: clamp(1.15rem, 2.5vw, 1.55rem);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
}

.problem-featured h3 {
  margin-bottom: 0.25rem;
  max-width: none;
}

.problem-featured p {
  margin: 0;
  color: var(--color-muted);
  max-width: none;
}

.problem-rows {
  list-style: none;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--color-border);
}

.problem-rows li {
  display: grid;
  gap: 0;
  padding: 1.1rem 0;
  border-bottom: 1px solid var(--color-border);
}

.problem-rows h3 {
  margin-bottom: 0.3rem;
}

.problem-rows p {
  margin: 0;
  color: var(--color-muted);
  max-width: none;
}

.dependency-split {
  display: grid;
  gap: var(--space-md);
  margin-top: var(--space-lg);
}

.dependency-block {
  padding: 1.1rem 1.15rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
}

.dependency-block.is-accent {
  background: var(--color-theme);
  border-color: transparent;
  color: #fff;
}

.dependency-block.is-accent p {
  color: rgba(255, 255, 255, 0.82);
}

.dependency-block h3 {
  margin-bottom: 0.4rem;
}

.dependency-block p {
  margin: 0;
  color: var(--color-muted);
}

@media (min-width: 768px) {
  .problem-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: start;
    gap: clamp(1.5rem, 3vw, 2.5rem);
  }

  .dependency-split {
    grid-template-columns: 1.2fr 1fr 1fr;
  }
}

/* ==========================================================================
   Dark tech visualization
   ========================================================================== */

.section-ink,
.section-viz {
  background: var(--color-dark);
  color: var(--color-text);
}

.section-ink .section-intro p,
.section-viz .section-intro p,
.section-ink .section-lead,
.section-viz .section-lead {
  color: var(--color-text-soft);
}

.viz-panel {
  margin-top: var(--space-lg);
  border: 1px solid var(--color-border-dark);
  border-radius: var(--radius-lg);
  background: rgba(18, 32, 40, 0.55);
  padding: clamp(1.1rem, 2.5vw, 1.65rem);
  min-width: 0;
  overflow: hidden;
}

.viz-panel-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.65rem 1rem;
  margin-bottom: 1.25rem;
}

.viz-panel-head strong {
  font-family: var(--font-display);
  letter-spacing: -0.02em;
}

.viz-panel-head span {
  color: var(--color-text-soft);
  font-size: 0.9rem;
}

/* Layered architecture — one composition for all breakpoints */
.viz-flow {
  list-style: none;
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
}

.viz-band {
  position: relative;
  padding: 0 0 1.15rem;
  min-width: 0;
}

.viz-band:not(:last-child)::after {
  content: "";
  display: block;
  width: 2px;
  height: 0.85rem;
  margin: 0.85rem auto 0;
  background: rgba(126, 168, 171, 0.55);
  border-radius: 2px;
}

.viz-band-label {
  margin: 0 0 0.55rem;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0;
  text-transform: none;
  color: var(--color-mist);
}

.viz-band-items {
  list-style: none;
  display: grid;
  gap: 0.55rem;
  margin: 0;
  padding: 0;
}

.viz-band-items li {
  display: grid;
  gap: 0.2rem;
  padding: 0.8rem 0.9rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border-dark);
  background: rgba(255, 255, 255, 0.03);
  min-width: 0;
}

.viz-band-items strong {
  display: block;
  font-family: var(--font-display);
  font-size: 0.96rem;
  letter-spacing: -0.02em;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.viz-band-items span {
  color: var(--color-text-soft);
  font-size: 0.86rem;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.viz-band.is-core .viz-band-items li {
  border-color: rgba(126, 168, 171, 0.45);
  background: rgba(61, 111, 116, 0.18);
}

.viz-band.is-support .viz-band-items li {
  border-color: rgba(46, 49, 225, 0.35);
  background: rgba(46, 49, 225, 0.1);
}

.viz-note {
  margin-top: 0.35rem;
  color: var(--color-text-soft);
  font-size: 0.9rem;
  max-width: min(68rem, 100%);
  line-height: 1.55;
}

/* Tablet+: items in a band sit side by side when space allows */
@media (min-width: 640px) {
  .viz-band-items:not(.viz-band-items-single) {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .viz-band-items:not(.viz-band-items-single) {
    grid-template-columns: repeat(auto-fit, minmax(11.5rem, 1fr));
  }

  .viz-band-items-single {
    max-width: 28rem;
  }

  .viz-band:not(:last-child)::after {
    height: 1rem;
    margin-top: 1rem;
  }
}

/* ==========================================================================
   Check / quiz
   ========================================================================== */

.section-check {
  background: var(--color-bg-soft);
}

.check-intro {
  margin-bottom: var(--space-lg);
}

.check-disclaimer {
  margin-top: 1rem;
  max-width: min(52rem, 100%);
  color: var(--color-muted);
  font-size: 0.95rem;
}

.check-shell {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: clamp(1.2rem, 3vw, 1.85rem);
  box-shadow: var(--shadow-soft);
}

.check-progress {
  margin-bottom: 1.25rem;
}

.check-progress-meta {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 0.55rem;
  font-size: 0.88rem;
  color: var(--color-muted);
  font-weight: 550;
}

.check-progress-track {
  height: 4px;
  background: var(--color-bg-soft);
  border-radius: var(--radius-pill);
  overflow: hidden;
}

.check-progress-bar {
  height: 100%;
  width: 0;
  background: var(--color-primary);
  border-radius: var(--radius-pill);
  transition: width 0.35s var(--ease);
}

.check-start-kicker {
  margin: 0 0 0.5rem;
  color: var(--color-theme);
  font-weight: 700;
  font-size: 0.9rem;
}

.check-start h3 {
  margin-bottom: 0.55rem;
  max-width: none;
}

.check-start p {
  color: var(--color-muted);
  max-width: min(48rem, 100%);
  margin-bottom: 1.25rem;
}

.check-stage {
  margin-top: 0.25rem;
}

.question-title {
  margin-bottom: 0.85rem;
  max-width: none;
}

.question-hint {
  color: var(--color-muted);
  margin: -0.25rem 0 1rem;
  font-size: 0.95rem;
}

.option-grid {
  display: grid;
  gap: 0.65rem;
}

.option-grid.cols-2 {
  grid-template-columns: 1fr;
}

.option-btn {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  min-height: 52px;
  width: 100%;
  text-align: left;
  padding: 0.95rem 1.1rem;
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  background: var(--color-bg);
  cursor: pointer;
  font-weight: 550;
  line-height: 1.35;
  transition:
    border-color var(--duration) var(--ease),
    background var(--duration) var(--ease),
    color var(--duration) var(--ease),
    box-shadow var(--duration) var(--ease);
}

.option-btn:hover {
  border-color: var(--color-mist);
  background: var(--color-mist-soft);
}

.option-btn.is-selected,
.option-btn[aria-pressed="true"] {
  border-color: var(--color-primary);
  background: var(--color-primary-soft);
  box-shadow: inset 0 0 0 1px var(--color-primary);
  color: var(--color-ink);
}

.option-btn:focus-visible {
  box-shadow: var(--focus);
}

.check-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.2rem;
}

.check-nav .btn {
  min-width: 7.5rem;
}

/* ==========================================================================
   Result — vertical status list + chips (no tachometer / traffic circles)
   ========================================================================== */

.check-result {
  margin-top: 1.5rem;
}

.result-panel {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: clamp(1.2rem, 3vw, 1.75rem);
}

.result-kicker {
  margin: 0 0 0.55rem;
  font-size: 0.84rem;
  font-weight: 750;
  letter-spacing: 0;
  text-transform: none;
}

.level-ok .result-kicker,
.level-solid .result-kicker,
.level-good .result-kicker {
  color: var(--ok);
}

.level-review .result-kicker {
  color: var(--review);
}

.level-elevated .result-kicker,
.level-attention .result-kicker {
  color: var(--elevated);
}

.result-panel > h3 {
  margin-bottom: 0.45rem;
  max-width: none;
}

.result-panel > p {
  color: var(--color-muted);
  max-width: min(52rem, 100%);
}

.result-status-list,
.result-ledger {
  list-style: none;
  margin: 1.35rem 0 1.2rem;
  padding: 0;
  border-top: 1px solid var(--color-border);
}

.result-status-list li,
.result-status-item,
.result-ledger li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.65rem 1rem;
  align-items: center;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--color-border);
  min-width: 0;
}

.result-status-label,
.result-status-list strong,
.result-ledger strong {
  display: block;
  font-family: var(--font-display);
  letter-spacing: -0.01em;
  font-size: 1rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.result-status-value,
.status-chip,
.ledger-pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 1.75rem;
  max-width: 100%;
  padding: 0.25rem 0.7rem;
  border-radius: var(--radius-sm);
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  line-height: 1.2;
  text-align: center;
  white-space: normal;
  overflow-wrap: anywhere;
}

.result-status-item.tone-ok .result-status-value,
.status-chip.is-ok,
.ledger-pill.is-ok {
  background: var(--ok-soft);
  color: var(--ok);
}

.result-status-item.tone-review .result-status-value,
.status-chip.is-review,
.ledger-pill.is-review {
  background: var(--review-soft);
  color: #8a6d3a;
}

.result-status-item.tone-elevated .result-status-value,
.status-chip.is-elevated,
.ledger-pill.is-elevated,
.status-chip.is-attention,
.ledger-pill.is-attention {
  background: var(--elevated-soft);
  color: var(--elevated);
}

.result-status-list .status-detail,
.result-ledger .ledger-text {
  grid-column: 1 / -1;
  color: var(--color-muted);
  font-size: 0.94rem;
}

@media (max-width: 379.98px) {
  .result-status-list li,
  .result-status-item,
  .result-ledger li {
    grid-template-columns: 1fr;
    justify-items: start;
  }
}

@media (min-width: 640px) {
  .result-status-list .status-detail,
  .result-ledger .ledger-text {
    grid-column: 1;
  }
}

.result-subhead {
  margin: 1.35rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: -0.015em;
}

.result-positives,
.result-reviews,
.result-points,
.result-recs {
  list-style: none;
  display: grid;
  gap: 0.7rem;
  margin: 0 0 1.1rem;
}

.result-positives li,
.result-reviews li,
.result-points li,
.result-recs li {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 0 0;
  border-top: 1px solid var(--color-border);
}

.result-positives li::before,
.result-reviews li::before,
.result-recs li::before {
  content: none;
}

.result-positives strong,
.result-reviews strong,
.result-points strong,
.result-recs strong {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.result-positives span,
.result-reviews span,
.result-points span,
.result-recs span {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.result-positives li {
  border-top: 1px solid var(--color-border);
  padding-top: 0.15rem;
}

.result-reviews li {
  border-top: 1px solid var(--color-border);
  padding-top: 0.15rem;
}

.result-note {
  color: var(--color-muted);
  font-size: 0.92rem;
  margin: 0 0 1.15rem;
  max-width: min(52rem, 100%);
}

.result-subheading {
  margin: 1.35rem 0 0.65rem;
  font-family: var(--font-display);
  font-size: clamp(1rem, 0.96rem + 0.2vw, 1.1rem);
  letter-spacing: -0.02em;
  font-weight: 700;
}

.result-positives-list,
.result-reviews-list,
.result-recs-list {
  list-style: none;
  display: grid;
  gap: 0.7rem;
  margin: 0 0 0.5rem;
}

.result-positives-list li,
.result-reviews-list li,
.result-recs-list li {
  display: grid;
  gap: 0.25rem;
  padding: 0.15rem 0 0.15rem 0.85rem;
}

.result-positives-list li {
  border-left: 1px solid var(--color-border);
}

.result-reviews-list li {
  border-left: 1px solid var(--color-border);
}

.result-recs-list li {
  border-left: 1px solid var(--color-border);
}

.result-positives-list strong,
.result-reviews-list strong,
.result-recs-list strong {
  font-family: var(--font-display);
  letter-spacing: -0.01em;
}

.result-positives-list span,
.result-reviews-list span,
.result-recs-list span {
  color: var(--color-muted);
  font-size: 0.95rem;
}

.section-ink .dependency-block:not(.is-accent) {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--color-border-dark);
  color: #fff;
}

.section-ink .dependency-block:not(.is-accent) p {
  color: var(--color-text-soft);
}

.section-ink .dependency-block:not(.is-accent) h3 {
  color: #fff;
}

.support-contact {
  margin: var(--space-lg) 0 0;
  color: var(--color-text-soft);
  font-size: 0.98rem;
}

.support-contact a {
  color: #fff;
  text-decoration: none;
  font-weight: 600;
}

.support-contact a:hover {
  color: var(--color-mist);
}

.support-contact .text-link {
  font-weight: 600;
}

.btn-secondary {
  background: transparent;
}

.section-close .btn-secondary,
.section-ink .btn-secondary {
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}

.section-close .btn-secondary:hover,
.section-ink .btn-secondary:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.06);
}


/* ==========================================================================
   Contact form (after result)
   ========================================================================== */

.check-contact {
  margin-top: 1.5rem;
}

.contact-card {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  padding: clamp(1.2rem, 3vw, 1.75rem);
}

.contact-card h3 {
  margin-bottom: 0.45rem;
  max-width: none;
}

.contact-card > p {
  color: var(--color-muted);
  max-width: min(48rem, 100%);
  margin-bottom: 1.25rem;
}

.form-grid {
  display: grid;
  gap: 1rem;
}

.field label {
  display: block;
  margin-bottom: 0.4rem;
  font-weight: 600;
  font-size: 0.92rem;
}

.optional {
  color: var(--color-muted);
  font-weight: 500;
}

.field input,
.field textarea,
.field select {
  width: 100%;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  padding: 0.8rem 0.95rem;
  min-height: 48px;
}

.field textarea {
  min-height: 110px;
  resize: vertical;
}

.field input:focus,
.field textarea:focus,
.field select:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: var(--focus);
}

.hp {
  position: absolute;
  left: -9999px;
  opacity: 0;
  height: 0;
  overflow: hidden;
}

.consent {
  display: flex;
  gap: 0.7rem;
  align-items: flex-start;
  margin: 1rem 0;
  color: var(--color-muted);
  font-size: 0.92rem;
}

.consent input {
  margin-top: 0.25rem;
  width: 1.1rem;
  height: 1.1rem;
  accent-color: var(--color-primary);
  flex-shrink: 0;
}

.form-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  align-items: center;
}

.form-status {
  margin-top: 0.85rem;
  font-size: 0.95rem;
}

.form-status.is-ok {
  color: var(--ok);
}

.form-status.is-error {
  color: var(--elevated);
}

@media (min-width: 640px) {
  .form-grid {
    grid-template-columns: 1fr 1fr;
  }

  .field-full {
    grid-column: 1 / -1;
  }

  .option-grid.cols-2 {
    grid-template-columns: 1fr 1fr;
  }
}

/* ==========================================================================
   Process 01–05
   ========================================================================== */

.section-process {
  background: var(--color-bg);
}

.process-track {
  list-style: none;
  display: grid;
  gap: 0;
  margin-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
}

.process-track li,
.process-step {
  display: grid;
  gap: 0;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--color-border);
}

.process-body h3,
.process-track h3 {
  margin-bottom: 0.3rem;
}

.process-body p,
.process-track p {
  margin: 0;
  color: var(--color-muted);
  max-width: none;
}

@media (min-width: 1024px) {
  .process-track {
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
    border-top: 0;
  }

  .process-track li,
  .process-step {
    grid-template-columns: 1fr;
    gap: 0.65rem;
    padding: 1.15rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
  }
}

/* ==========================================================================
   Region
   ========================================================================== */

.section-region {
  background: var(--color-surface-alt);
}

.region-layout {
  display: grid;
  gap: var(--space-lg);
}

.region-layout p {
  color: var(--color-muted);
  max-width: min(52rem, 100%);
}

.region-chips,
.region-points {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.55rem;
}

.region-chips li,
.region-points li {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  padding: 0.45rem 0.9rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  font-weight: 550;
  font-size: 0.92rem;
  color: var(--color-ink);
}

@media (min-width: 768px) {
  .region-layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: end;
  }
}

/* ==========================================================================
   FAQ accordion
   ========================================================================== */

.section-faq {
  background: var(--color-surface);
}

.faq-list {
  display: grid;
  gap: 0;
  margin-top: var(--space-md);
}

.faq-item {
  border-top: 1px solid var(--color-border);
  padding: 1.15rem 0;
}

.faq-item:last-child {
  border-bottom: 1px solid var(--color-border);
}

.faq-item h3 {
  margin-bottom: 0.4rem;
  line-height: 1.35;
}

.faq-item p {
  margin: 0;
  color: var(--color-muted);
  max-width: none;
}

/* ==========================================================================
   Closing CTA
   ========================================================================== */

.section-close,
.section-final {
  background: var(--color-dark);
  color: var(--color-text);
  text-align: left;
}

.section-close h2,
.section-final h2 {
  max-width: 18ch;
  color: #fff;
}

.section-close p,
.section-final p {
  color: var(--color-text-soft);
  max-width: min(48rem, 100%);
  margin-bottom: 1.35rem;
}

.close-actions,
.final-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.85rem 1.1rem;
  align-items: center;
}

/* ==========================================================================
   Footer — hell, damit INFRAQ_LOGO.png (schwarz) ohne Filter kontrastiert
   ========================================================================== */

.site-footer {
  background: var(--color-surface);
  color: var(--color-muted);
  padding: clamp(2rem, 4vw, 3rem) 0 1.35rem;
  border-top: 1px solid var(--color-border);
}

.footer-grid,
.footer-top {
  display: grid;
  gap: 1.5rem;
}

.footer-brand .logo {
  margin-bottom: 0.75rem;
}

.footer-brand .logo img {
  height: clamp(40px, 4.5vw, 48px);
  max-height: 48px;
  max-width: min(220px, 70vw);
  aspect-ratio: 2341 / 620;
  object-fit: contain;
  object-position: left center;
  filter: none;
}

.footer-brand p {
  margin: 0 0 0.35rem;
  color: var(--color-muted);
  max-width: 34ch;
}

.footer-region {
  color: var(--color-theme) !important;
  font-weight: 600;
}

.footer-heading {
  margin: 0 0 0.7rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: -0.01em;
}

.footer-links {
  list-style: none;
  display: grid;
  gap: 0.45rem;
}

.footer-links a {
  color: var(--color-muted);
  text-decoration: none;
  min-height: 40px;
  display: inline-flex;
  align-items: center;
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  margin-top: 1.75rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--color-border);
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem 1.25rem;
  justify-content: space-between;
  font-size: 0.88rem;
  color: var(--color-muted);
}

.footer-bottom a {
  color: var(--color-muted);
}

.footer-bottom a:hover {
  color: var(--color-primary);
}

.footer-bottom p {
  margin: 0;
}

@media (min-width: 768px) {
  .footer-grid,
  .footer-top {
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 2rem;
  }
}

/* ==========================================================================
   Legal pages
   ========================================================================== */

.legal-page {
  padding: clamp(2.5rem, 6vw, 4rem) 0 clamp(3.5rem, 7vw, 5.5rem);
  scroll-margin-top: calc(var(--header-height) + 1rem);
}

.legal-page .container {
  max-width: 720px;
}

.legal-page h1 {
  max-width: none;
  margin-bottom: 1rem;
}

.legal-page h2 {
  margin-top: 2rem;
  max-width: none;
}

.legal-note {
  color: var(--color-muted);
}

.legal-page ul {
  padding-left: 1.2rem;
  margin: 0 0 1rem;
}

.legal-page li {
  margin-bottom: 0.35rem;
}

.legal-page a {
  word-break: break-word;
}

/* ==========================================================================
   Utility
   ========================================================================== */

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.is-hidden {
  display: none !important;
}

/* ==========================================================================
   Responsive refinements
   ========================================================================== */

@media (max-width: 374.98px) {
  :root {
    --gutter: 0.9rem;
  }

  h1 {
    font-size: clamp(1.75rem, 9vw, 2rem);
  }

  .btn {
    width: 100%;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }
}

@media (min-width: 375px) and (max-width: 429.98px) {
  .praxis-layers li {
    grid-template-columns: auto minmax(0, 1fr);
  }
}

@media (min-width: 430px) {
  .hero-meta {
    gap: 0.55rem 1.2rem;
  }
}

@media (min-width: 768px) {
  .check-nav {
    justify-content: flex-start;
  }
}

@media (min-width: 1024px) {
  .section {
    padding: clamp(3.25rem, 5.5vw, 5.25rem) 0;
  }
}

@media (min-width: 1280px) {
  .container {
    width: min(100% - 3rem, var(--container));
  }
}

@media (min-width: 1440px) {
  .hero {
    padding-block: 4.5rem 5rem;
  }

  .praxis-board {
    padding: 1.35rem 1.3rem 1.45rem;
  }
}

/* Prevent overflow from long strings / grids */
.hero-grid,
.problem-layout,
.viz-panel,
.check-shell,
.result-panel,
.contact-card,
.footer-grid {
  min-width: 0;
}

img,
svg,
video,
canvas {
  max-width: 100%;
}

/* ==========================================================================
   Reduced motion
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  .praxis-pulse {
    box-shadow: none;
  }
}
)