/* ============================================
   MEDIVISE × KUNESA - Hauptstylesheet
   Designprinzip: Refined minimalism mit Substanz
   ============================================ */

/* -- Schriften -- */
@import url('https://fonts.googleapis.com/css2?family=Fraunces:opsz,wght@9..144,300;9..144,400;9..144,500;9..144,600&family=Inter:wght@300;400;500;600&display=swap');

/* -- CSS Variables -- */
:root {
  /* KUNESA Markenfarben */
  --color-cyan: #004C6F;
  --color-cyan-light: #2A6E8F;
  --color-cyan-dark: #003650;
  --color-beige: #BFAB9C;
  --color-beige-light: #D4C5B8;
  --color-black: #2C3032;
  --color-grey-dark: #5C5957;
  --color-grey-light: #EEEAEA;
  --color-grey-ultralight: #F7F5F4;
  --color-white: #FFFFFF;

  /* MEDIVISE Akzent */
  --color-teal: #1AB0A8;
  --color-teal-dark: #128882;

  /* Funktionale Farben */
  --color-text: var(--color-black);
  --color-text-muted: var(--color-grey-dark);
  --color-accent: var(--color-cyan);
  --color-background: var(--color-white);
  --color-surface: var(--color-grey-ultralight);

  /* Typografie */
  --font-display: 'Fraunces', Georgia, serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Abstände */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 9rem;

  /* Container */
  --container-max: 1280px;
  --container-narrow: 880px;
  --container-text: 720px;

  /* Bewegung */
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

/* -- Reset -- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-weight: 300;
  font-size: 1.0625rem;
  line-height: 1.65;
  color: var(--color-text);
  background-color: var(--color-background);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

button {
  font: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* -- Typografie -- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--color-black);
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4rem);
  font-weight: 400;
  letter-spacing: -0.03em;
}

h2 {
  font-size: clamp(1.875rem, 3.5vw, 2.75rem);
  letter-spacing: -0.02em;
  margin-bottom: var(--space-md);
}

h3 {
  font-size: clamp(1.375rem, 2.2vw, 1.75rem);
  margin-bottom: var(--space-sm);
}

h4 {
  font-size: 1.25rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

p {
  margin-bottom: var(--space-sm);
  max-width: 65ch;
}

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

.lead {
  font-size: 1.25rem;
  line-height: 1.55;
  color: var(--color-text-muted);
  font-weight: 300;
}

.eyebrow {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-cyan);
  margin-bottom: var(--space-sm);
  display: block;
}

/* -- Container -- */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

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

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

@media (min-width: 768px) {
  .container,
  .container-narrow,
  .container-text {
    padding: 0 var(--space-lg);
  }
}

/* -- Sektionen -- */
section {
  padding: var(--space-2xl) 0;
}

@media (min-width: 768px) {
  section {
    padding: var(--space-3xl) 0;
  }
}

.section-tight {
  padding: var(--space-xl) 0;
}

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

.section-dark {
  background-color: var(--color-black);
  color: var(--color-white);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: var(--color-white);
}

.section-dark .eyebrow {
  color: var(--color-beige);
}

/* -- Header / Navigation -- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-grey-light);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-sm) var(--space-md);
  max-width: var(--container-max);
  margin: 0 auto;
}

@media (min-width: 768px) {
  .site-header__inner {
    padding: var(--space-sm) var(--space-lg);
  }
}

.brand-lockup {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--color-black);
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
}

.brand-lockup__multiply {
  color: var(--color-cyan);
  font-weight: 400;
  font-size: 1.4em;
  line-height: 0;
}

.site-nav {
  display: none;
}

@media (min-width: 900px) {
  .site-nav {
    display: flex;
    align-items: center;
    gap: var(--space-lg);
  }
}

.site-nav a {
  font-size: 0.9375rem;
  font-weight: 400;
  color: var(--color-text-muted);
  position: relative;
}

.site-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 0;
  height: 1px;
  background-color: var(--color-cyan);
  transition: width var(--transition-base);
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-cyan);
}

.site-nav a:hover::after,
.site-nav a.active::after {
  width: 100%;
}

.nav-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 1.5px;
  background-color: var(--color-black);
  transition: var(--transition-base);
}

@media (min-width: 900px) {
  .nav-toggle {
    display: none;
  }
}

/* Mobile Menu */
.mobile-nav {
  display: none;
  flex-direction: column;
  padding: var(--space-md);
  background-color: var(--color-white);
  border-top: 1px solid var(--color-grey-light);
}

.mobile-nav.is-open {
  display: flex;
}

.mobile-nav a {
  padding: var(--space-sm) 0;
  font-size: 1.0625rem;
  border-bottom: 1px solid var(--color-grey-light);
  color: var(--color-text);
}

.mobile-nav a:last-child {
  border-bottom: none;
}

/* -- Buttons -- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.625rem;
  padding: 0.95rem 1.75rem;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  border-radius: 0;
  transition: all var(--transition-base);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.btn-primary {
  background-color: var(--color-cyan);
  color: var(--color-white);
  border: 1px solid var(--color-cyan);
}

.btn-primary:hover {
  background-color: var(--color-cyan-dark);
  border-color: var(--color-cyan-dark);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-black);
  border: 1px solid var(--color-black);
}

.btn-secondary:hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-cyan);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--color-cyan);
  border-radius: 0;
}

.btn-ghost:hover {
  color: var(--color-cyan-dark);
  border-color: var(--color-cyan-dark);
}

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

.btn:hover .arrow {
  transform: translateX(4px);
}

/* -- Hero -- */
.hero {
  padding: var(--space-xl) 0 var(--space-2xl);
  position: relative;
  overflow: hidden;
}

@media (min-width: 768px) {
  .hero {
    padding: var(--space-2xl) 0 var(--space-3xl);
  }
}

.hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 900px) {
  .hero__grid {
    grid-template-columns: 1.1fr 1fr;
    gap: var(--space-2xl);
  }
}

.hero__content {
  max-width: 36rem;
}

.hero__title {
  margin-bottom: var(--space-md);
}

.hero__sub {
  font-family: var(--font-body);
  font-size: 1.25rem;
  line-height: 1.5;
  color: var(--color-text-muted);
  font-weight: 300;
  margin-bottom: var(--space-lg);
  max-width: 32rem;
}

.hero__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  margin-top: var(--space-lg);
}

.hero__image {
  position: relative;
  aspect-ratio: 4 / 5;
  background-color: var(--color-grey-light);
  overflow: hidden;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-cyan) 0%, var(--color-cyan-dark) 100%);
  color: var(--color-white);
  font-family: var(--font-display);
  text-align: center;
  padding: var(--space-lg);
}

.hero__image-placeholder span {
  display: block;
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: var(--space-md);
}

/* -- Säulen Block -- */
.pillars {
  background-color: var(--color-surface);
}

.pillars__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

@media (min-width: 768px) {
  .pillars__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}

.pillar {
  background-color: var(--color-white);
  padding: var(--space-lg);
  border-top: 3px solid var(--color-cyan);
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.pillar:nth-child(2) {
  border-top-color: var(--color-beige);
}

.pillar:nth-child(3) {
  border-top-color: var(--color-teal);
}

.pillar:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 76, 111, 0.08);
}

.pillar__label {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.pillar__title {
  font-family: var(--font-display);
  font-size: 1.625rem;
  font-weight: 400;
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.pillar__intro {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.pillar__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.625rem;
}

.pillar__list li {
  font-size: 0.875rem;
  line-height: 1.5;
  padding-left: 1.25rem;
  position: relative;
}

.pillar__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 0.5rem;
  height: 1px;
  background-color: var(--color-cyan);
}

/* -- Zeitachsen-Block (Heute, Morgen, Übermorgen) -- */
.timeline-section {
  background-color: var(--color-black);
  color: var(--color-white);
}

.timeline-section h2 {
  color: var(--color-white);
}

.timeline-section .eyebrow {
  color: var(--color-beige);
}

.timeline-section__lead {
  color: var(--color-grey-light);
  font-size: 1.25rem;
  max-width: 42rem;
  margin-bottom: var(--space-xl);
}

.timeline {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
  position: relative;
}

@media (min-width: 768px) {
  .timeline {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-xl);
  }

  .timeline::before {
    content: '';
    position: absolute;
    top: 1.5rem;
    left: 8%;
    right: 8%;
    height: 1px;
    background: linear-gradient(90deg, var(--color-cyan) 0%, var(--color-beige) 50%, var(--color-teal) 100%);
  }
}

.timeline__item {
  position: relative;
}

.timeline__marker {
  width: 3rem;
  height: 3rem;
  border-radius: 50%;
  background-color: var(--color-black);
  border: 2px solid var(--color-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.125rem;
  color: var(--color-cyan);
  margin-bottom: var(--space-md);
  position: relative;
  z-index: 2;
}

.timeline__item:nth-child(2) .timeline__marker {
  border-color: var(--color-beige);
  color: var(--color-beige);
}

.timeline__item:nth-child(3) .timeline__marker {
  border-color: var(--color-teal);
  color: var(--color-teal);
}

.timeline__phase {
  font-family: var(--font-display);
  font-size: 0.9375rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-beige);
  margin-bottom: var(--space-xs);
}

.timeline__title {
  font-size: 1.5rem;
  margin-bottom: var(--space-sm);
  color: var(--color-white);
}

.timeline__text {
  color: var(--color-grey-light);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* -- Drei Stärken Quote-Sektion -- */
.statement {
  text-align: center;
  padding: var(--space-2xl) var(--space-md);
}

.statement__text {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  line-height: 1.35;
  font-weight: 400;
  font-style: italic;
  max-width: 48rem;
  margin: 0 auto;
  color: var(--color-black);
  letter-spacing: -0.01em;
}

.statement__text em {
  font-style: normal;
  color: var(--color-cyan);
  font-weight: 500;
}

/* -- Referenz-Sektion -- */
.reference {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  align-items: center;
}

@media (min-width: 900px) {
  .reference {
    grid-template-columns: 1fr 1.1fr;
    gap: var(--space-2xl);
  }
}

.reference__image {
  aspect-ratio: 4 / 5;
  background-color: var(--color-grey-light);
  overflow: hidden;
  position: relative;
}

.reference__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.reference__image-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--color-beige) 0%, var(--color-beige-light) 100%);
  color: var(--color-black);
  padding: var(--space-lg);
  text-align: center;
}

.reference__image-placeholder span {
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  opacity: 0.7;
  margin-bottom: var(--space-md);
}

.reference__quote {
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.4;
  font-weight: 400;
  font-style: italic;
  margin-bottom: var(--space-md);
  color: var(--color-black);
}

.reference__attribution {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
}

.reference__attribution strong {
  display: block;
  color: var(--color-black);
  font-weight: 500;
  margin-bottom: 0.25rem;
}

/* -- Ehrlichkeits-Sektion -- */
.honesty {
  background-color: var(--color-surface);
}

.honesty__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

@media (min-width: 768px) {
  .honesty__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}

.honesty-card {
  padding: var(--space-lg);
  background-color: var(--color-white);
  border-left: 3px solid var(--color-cyan);
}

.honesty-card h3 {
  font-size: 1.25rem;
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.honesty-card p {
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  line-height: 1.6;
}

/* -- CTA-Sektion -- */
.cta-section {
  background-color: var(--color-cyan);
  color: var(--color-white);
  text-align: center;
}

.cta-section h2 {
  color: var(--color-white);
  margin-bottom: var(--space-md);
}

.cta-section__lead {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1.25rem;
  max-width: 36rem;
  margin: 0 auto var(--space-xl);
}

.cta-section .btn-primary {
  background-color: var(--color-white);
  color: var(--color-cyan);
  border-color: var(--color-white);
}

.cta-section .btn-primary:hover {
  background-color: var(--color-grey-ultralight);
  color: var(--color-cyan-dark);
}

.cta-section .btn-secondary {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.5);
}

.cta-section .btn-secondary:hover {
  background-color: var(--color-white);
  color: var(--color-cyan);
}

.cta-section__ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  justify-content: center;
}

/* -- Footer -- */
.site-footer {
  background-color: var(--color-black);
  color: var(--color-grey-light);
  padding: var(--space-xl) 0 var(--space-lg);
}

.site-footer__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

@media (min-width: 768px) {
  .site-footer__grid {
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-lg);
  }
}

.site-footer__brand {
  font-family: var(--font-display);
  font-size: 1.5rem;
  color: var(--color-white);
  margin-bottom: var(--space-sm);
}

.site-footer__brand .brand-lockup__multiply {
  color: var(--color-beige);
}

.site-footer__tagline {
  color: var(--color-grey-light);
  font-size: 0.9375rem;
  max-width: 24rem;
}

.site-footer h4 {
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-bottom: var(--space-md);
}

.site-footer ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.site-footer a {
  color: var(--color-grey-light);
  font-size: 0.9375rem;
  transition: color var(--transition-base);
}

.site-footer a:hover {
  color: var(--color-white);
}

.site-footer__bottom {
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
  padding-top: var(--space-lg);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

@media (min-width: 768px) {
  .site-footer__bottom {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
}

.site-footer__legal {
  display: flex;
  gap: var(--space-md);
}

/* -- Page-Header (für Unterseiten) -- */
.page-header {
  padding: var(--space-2xl) 0 var(--space-xl);
  background-color: var(--color-surface);
}

.page-header__inner {
  max-width: var(--container-narrow);
  margin: 0 auto;
}

.page-header h1 {
  margin-bottom: var(--space-md);
}

.page-header__lead {
  font-size: 1.25rem;
  color: var(--color-text-muted);
  line-height: 1.55;
  max-width: 42rem;
}

/* -- Akkordeon FAQ -- */
.faq-list {
  display: flex;
  flex-direction: column;
}

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

.faq-item:first-child {
  border-top: 1px solid var(--color-grey-light);
}

.faq-item__question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md) 0;
  cursor: pointer;
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 400;
  color: var(--color-black);
  text-align: left;
  width: 100%;
  transition: color var(--transition-base);
}

.faq-item__question:hover {
  color: var(--color-cyan);
}

.faq-item__icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  position: relative;
  margin-left: var(--space-md);
}

.faq-item__icon::before,
.faq-item__icon::after {
  content: '';
  position: absolute;
  background-color: var(--color-cyan);
  transition: transform var(--transition-base);
}

.faq-item__icon::before {
  top: 50%;
  left: 0;
  right: 0;
  height: 1.5px;
  transform: translateY(-50%);
}

.faq-item__icon::after {
  left: 50%;
  top: 0;
  bottom: 0;
  width: 1.5px;
  transform: translateX(-50%);
}

.faq-item.is-open .faq-item__icon::after {
  transform: translateX(-50%) rotate(90deg);
  opacity: 0;
}

.faq-item__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--transition-slow);
}

.faq-item.is-open .faq-item__answer {
  grid-template-rows: 1fr;
}

.faq-item__answer-inner {
  overflow: hidden;
}

.faq-item__answer-text {
  padding-bottom: var(--space-md);
  color: var(--color-text-muted);
  line-height: 1.7;
  font-size: 1rem;
}

.faq-item__answer-text p {
  margin-bottom: var(--space-sm);
}

.faq-item__answer-text .source {
  display: inline-block;
  margin-top: var(--space-xs);
  font-size: 0.8125rem;
  color: var(--color-grey-dark);
  font-style: italic;
}

/* -- Tabelle (für Vergütung, ROI) -- */
.table-wrap {
  overflow-x: auto;
  margin: var(--space-lg) 0;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9375rem;
}

.data-table th,
.data-table td {
  padding: var(--space-sm) var(--space-md);
  text-align: left;
  border-bottom: 1px solid var(--color-grey-light);
}

.data-table th {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 0.8125rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  background-color: var(--color-grey-ultralight);
}

.data-table tbody tr:hover {
  background-color: var(--color-grey-ultralight);
}

.data-table td strong {
  color: var(--color-cyan);
  font-weight: 500;
}

/* -- Kontaktformular -- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-xl);
}

@media (min-width: 900px) {
  .contact-grid {
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-2xl);
  }
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.contact-channel {
  padding: var(--space-md);
  background-color: var(--color-surface);
  border-left: 3px solid var(--color-cyan);
}

.contact-channel h3 {
  font-size: 1.125rem;
  font-weight: 500;
  margin-bottom: var(--space-xs);
}

.contact-channel a {
  color: var(--color-cyan);
  font-weight: 500;
}

.contact-channel a:hover {
  color: var(--color-cyan-dark);
  text-decoration: underline;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
}

@media (min-width: 600px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.form-group input,
.form-group textarea {
  font-family: var(--font-body);
  font-size: 1rem;
  padding: 0.875rem 1rem;
  border: 1px solid var(--color-grey-light);
  background-color: var(--color-white);
  border-radius: 0;
  transition: border-color var(--transition-base);
  width: 100%;
}

.form-group input:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-cyan);
}

.form-group textarea {
  min-height: 140px;
  resize: vertical;
  font-family: var(--font-body);
}

.form-group .hint {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
}

.form-checkbox {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.form-checkbox input {
  margin-top: 0.25rem;
  accent-color: var(--color-cyan);
}

.form-success {
  display: none;
  padding: var(--space-lg);
  background-color: var(--color-surface);
  border-left: 3px solid var(--color-teal);
}

.form-success.is-visible {
  display: block;
}

.form-success h3 {
  color: var(--color-teal-dark);
  margin-bottom: var(--space-xs);
}

/* -- Über-uns-Sektion (Karten) -- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-xl);
}

@media (min-width: 768px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
  }
}

.about-card {
  padding: var(--space-lg);
  background-color: var(--color-white);
  border: 1px solid var(--color-grey-light);
}

.about-card__label {
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  font-weight: 500;
  margin-bottom: var(--space-sm);
}

.about-card h2 {
  font-size: 2rem;
  margin-bottom: var(--space-md);
}

.about-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  margin: var(--space-md) 0;
}

.about-card ul li {
  font-size: 0.9375rem;
  padding-left: 1.25rem;
  position: relative;
  line-height: 1.5;
  color: var(--color-text-muted);
}

.about-card ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 0.6rem;
  width: 0.5rem;
  height: 1px;
  background-color: var(--color-cyan);
}

.about-card a.btn-ghost {
  margin-top: var(--space-md);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* -- Stufen-Karten (Vier HUB-Stufen) -- */
.stages-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-md);
  margin-top: var(--space-xl);
}

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

@media (min-width: 1024px) {
  .stages-grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
  }
}

.stage-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-grey-light);
  padding: var(--space-lg);
  display: flex;
  flex-direction: column;
  transition: border-color var(--transition-base), transform var(--transition-base);
}

.stage-card:hover {
  border-color: var(--color-cyan);
  transform: translateY(-3px);
}

.stage-card__number {
  font-family: var(--font-display);
  font-size: 0.875rem;
  color: var(--color-beige);
  letter-spacing: 0.1em;
  margin-bottom: var(--space-sm);
  font-weight: 500;
}

.stage-card__title {
  font-family: var(--font-display);
  font-size: 1.375rem;
  margin-bottom: var(--space-sm);
  line-height: 1.2;
}

.stage-card__size {
  font-size: 0.8125rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  font-weight: 500;
}

.stage-card__text {
  font-size: 0.9375rem;
  line-height: 1.55;
  color: var(--color-text-muted);
}

/* -- Utility -- */
.text-center { text-align: center; }
.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mt-lg { margin-top: var(--space-lg); }

/* -- Animation: Fade in on scroll -- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* -- Co-Branding-Footer-Lockup -- */
.brand-lockup-large {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 400;
  letter-spacing: -0.02em;
  text-align: center;
  color: var(--color-grey-dark);
  margin: var(--space-xl) 0;
}

.brand-lockup-large .brand-lockup__multiply {
  color: var(--color-cyan);
  font-size: 1.1em;
}

/* -- Print-Anpassungen -- */
@media print {
  .site-header,
  .site-footer,
  .nav-toggle,
  .cta-section {
    display: none;
  }
}