:root {
  --color-primary: #0F4C5C;
  --color-secondary: #2F7F7B;
  --color-mint: #DCEDEA;
  --color-light-blue: #E8F1F5;
  --color-background: #F8FAF9;
  --color-surface: #FFFFFF;
  --color-text: #1F2D33;
  --color-text-muted: #5E6B70;
  --color-border: #D7E2E3;
  --shadow-soft: 0 12px 30px rgba(15, 76, 92, 0.08);
  --radius-lg: 18px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --max-width: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Inter, Arial, Helvetica, sans-serif;
  color: var(--color-text);
  background:
    radial-gradient(circle at 8% 3%, rgba(47, 127, 123, 0.12), transparent 36%),
    radial-gradient(circle at 90% 0%, rgba(15, 76, 92, 0.08), transparent 34%),
    var(--color-background);
  line-height: 1.6;
}

a {
  color: var(--color-primary);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

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

.skip-link {
  position: absolute;
  left: -999px;
  top: auto;
  background: var(--color-primary);
  color: var(--color-surface);
  padding: 0.7rem 1rem;
  border-radius: var(--radius-sm);
  z-index: 9999;
}

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

.container {
  width: min(100% - 2.4rem, var(--max-width));
  margin-inline: auto;
}

.section {
  padding: 4.4rem 0;
  scroll-margin-top: 6.2rem;
}

.section-alt {
  background: linear-gradient(180deg, rgba(232, 241, 245, 0.52), rgba(220, 237, 234, 0.45));
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.8rem;
  font-size: 0.86rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-secondary);
  font-weight: 700;
}

h1,
h2,
h3 {
  line-height: 1.25;
  margin: 0 0 1rem;
  letter-spacing: -0.01em;
}

h1 {
  font-size: clamp(1.9rem, 4vw, 3rem);
}

h2 {
  font-size: clamp(1.5rem, 3vw, 2.15rem);
}

h3 {
  font-size: 1.15rem;
}

p {
  margin: 0 0 1rem;
}

.lead {
  color: var(--color-text);
  font-size: clamp(1.03rem, 2.4vw, 1.2rem);
}

.subline {
  color: var(--color-secondary);
  font-weight: 600;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(248, 250, 249, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(215, 226, 227, 0.8);
}

.header-inner {
  min-height: 5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.brand img {
  width: 240px;
  height: auto;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
}

.main-nav ul {
  display: flex;
  list-style: none;
  padding: 0;
  margin: 0;
  gap: 0.95rem;
}

.main-nav a {
  text-decoration: none;
  color: var(--color-text);
  font-weight: 600;
}

.main-nav a:hover,
.main-nav a:focus-visible {
  color: var(--color-primary);
}

.main-nav .btn-primary,
.main-nav .btn-primary:hover,
.main-nav .btn-primary:focus-visible {
  color: var(--color-surface);
}

.menu-toggle {
  display: none;
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  color: var(--color-primary);
  border-radius: var(--radius-sm);
  padding: 0.45rem 0.8rem;
  font-weight: 700;
}

.btn {
  border-radius: 999px;
  padding: 0.72rem 1.05rem;
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
  border: 1px solid transparent;
  transition: transform 0.2s ease, background-color 0.2s ease, color 0.2s ease, border-color 0.2s ease;
}

.btn:hover {
  transform: translateY(-1px);
}

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

.btn-primary:hover,
.btn-primary:focus-visible {
  background: #0c3f4b;
  color: var(--color-surface);
}

.btn-secondary {
  background: var(--color-surface);
  color: var(--color-primary);
  border-color: var(--color-border);
}

.btn-secondary:hover,
.btn-secondary:focus-visible {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.hero {
  padding-top: 3.2rem;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1.05fr;
  gap: 2rem;
  align-items: center;
}

.hero-actions {
  display: flex;
  gap: 0.8rem;
  flex-wrap: wrap;
  margin-bottom: 1.1rem;
}

.trust-points {
  margin: 1rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.55rem;
}

.trust-points li {
  border: 1px solid var(--color-border);
  background: rgba(255, 255, 255, 0.9);
  border-radius: var(--radius-sm);
  padding: 0.6rem 0.75rem;
  font-weight: 600;
}

.hero-media {
  margin: 0;
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-soft);
}

.hero-media img {
  width: 100%;
  max-height: 31rem;
  object-fit: cover;
  object-position: center;
}

.hero-media figcaption {
  padding: 0.8rem 1rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
}

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

.cards-grid.six {
  grid-template-columns: repeat(3, minmax(0, 1fr));
  margin-bottom: 1.5rem;
}

.cards-grid.four {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.cards-grid.three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  box-shadow: var(--shadow-soft);
}

.icon-sprite {
  position: absolute;
}

.card-title {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.card-icon {
  width: 4.65rem;
  height: 4.65rem;
  border-radius: 50%;
  background: rgba(47, 127, 123, 0.14);
  color: var(--color-primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.card-icon svg {
  width: 2.85rem;
  height: 2.85rem;
}

.card p {
  color: var(--color-text-muted);
}

.card ul {
  margin: 0;
  padding-left: 1rem;
}

.media-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-soft);
  margin: 1.4rem 0 1rem;
}

.challenge-graphic {
  width: 70%;
  margin-left: auto;
  margin-right: auto;
}

.media-card img {
  width: 100%;
}

.media-card figcaption {
  padding: 0.95rem 1rem 1rem;
  display: grid;
  gap: 0.35rem;
}

.media-card figcaption span {
  color: var(--color-text-muted);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  align-items: stretch;
}

.media-card.small {
  margin: 0;
}

.dashboard {
  margin: 0;
}

.dashboard-frame {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: #f4f8f8;
  margin-bottom: 0.7rem;
}

.frame-top {
  display: flex;
  gap: 0.35rem;
  padding: 0.5rem 0.65rem;
  border-bottom: 1px solid var(--color-border);
  background: #ebf2f3;
}

.frame-top span {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: #c0cdd1;
}

.caption-inline {
  margin-bottom: 0.5rem;
}

.highlight {
  border-left: 4px solid var(--color-secondary);
  background: rgba(220, 237, 234, 0.7);
  border-radius: var(--radius-sm);
  padding: 0.95rem 1rem;
  font-weight: 700;
}

.highlight-key {
  border-left-width: 6px;
  border-left-color: var(--color-primary);
  background: linear-gradient(90deg, rgba(15, 76, 92, 0.16), rgba(220, 237, 234, 0.9));
  box-shadow: 0 12px 28px rgba(15, 76, 92, 0.12);
  padding: 1.2rem 1.25rem;
  font-size: clamp(1.08rem, 2vw, 1.3rem);
  letter-spacing: -0.01em;
}

.process-line {
  margin: 1rem 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(6, minmax(0, 1fr));
  gap: 0.9rem;
  position: relative;
}

.process-line::before {
  content: "";
  position: absolute;
  left: 0.5rem;
  right: 0.5rem;
  top: 1.15rem;
  height: 2px;
  background: linear-gradient(90deg, rgba(15, 76, 92, 0.3), rgba(47, 127, 123, 0.5));
  z-index: 0;
}

.process-line li {
  position: relative;
  z-index: 1;
  background: linear-gradient(135deg, var(--step-bg, rgba(255, 255, 255, 1)) 0%, #ffffff 72%);
  border: 1px solid var(--step-border, var(--color-border));
  border-radius: var(--radius-md);
  padding: 0.8rem;
  box-shadow: var(--shadow-soft);
  min-height: 10rem;
}

.step-number {
  width: 2.05rem;
  height: 2.05rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-weight: 800;
  color: var(--color-surface);
  background: var(--step-dot, var(--color-primary));
  margin-bottom: 0.65rem;
}

.step-signal {
  position: absolute;
  top: 0.65rem;
  right: 0.65rem;
  width: 1.55rem;
  height: 1.55rem;
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 0.95rem;
  font-weight: 800;
  line-height: 1;
  color: var(--step-signal-color, #7f1d1d);
  background: var(--step-signal-bg, rgba(255, 255, 255, 0.88));
  border: 1px solid var(--step-signal-border, rgba(127, 29, 29, 0.28));
}

.flow-step.step-1 {
  --step-bg: rgba(224, 82, 82, 0.2);
  --step-border: #d8a4a4;
  --step-dot: #a53434;
  --step-signal-color: #7f1d1d;
  --step-signal-border: rgba(127, 29, 29, 0.35);
}

.flow-step.step-2 {
  --step-bg: rgba(226, 124, 88, 0.19);
  --step-border: #dfb29b;
  --step-dot: #a85634;
  --step-signal-color: #8a3b1b;
  --step-signal-border: rgba(138, 59, 27, 0.3);
}

.flow-step.step-3 {
  --step-bg: rgba(227, 181, 99, 0.2);
  --step-border: #dcc89c;
  --step-dot: #9a7830;
  --step-signal-color: #735a1f;
  --step-signal-border: rgba(115, 90, 31, 0.3);
}

.flow-step.step-4 {
  --step-bg: rgba(170, 196, 122, 0.2);
  --step-border: #c8d7aa;
  --step-dot: #5f7d31;
  --step-signal-color: #415a22;
  --step-signal-border: rgba(65, 90, 34, 0.3);
}

.flow-step.step-5 {
  --step-bg: rgba(107, 175, 137, 0.2);
  --step-border: #a7cfb7;
  --step-dot: #2f7f5d;
  --step-signal-color: #1f5a40;
  --step-signal-border: rgba(31, 90, 64, 0.3);
}

.flow-step.step-6 {
  --step-bg: rgba(71, 151, 122, 0.22);
  --step-border: #8fc2b0;
  --step-dot: #1e6a54;
  --step-signal-color: #164f3f;
  --step-signal-border: rgba(22, 79, 63, 0.3);
}

.note {
  color: var(--color-text-muted);
  font-weight: 600;
}

.roadmap {
  list-style: none;
  margin: 1rem 0 1.3rem;
  padding: 0;
  border-left: 2px solid rgba(15, 76, 92, 0.28);
}

.roadmap li {
  position: relative;
  padding: 0.65rem 0 0.65rem 1rem;
}

.roadmap li::before {
  content: "";
  position: absolute;
  left: -0.4rem;
  top: 1.2rem;
  width: 0.7rem;
  height: 0.7rem;
  border-radius: 50%;
  background: var(--color-secondary);
}

.pilot-list {
  margin: 0 0 1.2rem;
  padding-left: 1rem;
}

.cta-block {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  background: var(--color-surface);
  box-shadow: var(--shadow-soft);
}

.cta-question {
  font-weight: 700;
  margin-bottom: 0.7rem;
}

.cta-note {
  color: var(--color-text-muted);
  margin-top: 0.85rem;
}

.team-media {
  margin-top: 1rem;
  width: 70%;
  margin-left: auto;
  margin-right: auto;
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 1.2rem;
}

.contact-form {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 1rem;
  box-shadow: var(--shadow-soft);
}

.form-row {
  display: grid;
  gap: 0.38rem;
  margin-bottom: 0.8rem;
}

label {
  font-weight: 700;
}

input,
textarea {
  width: 100%;
  padding: 0.63rem 0.75rem;
  border-radius: var(--radius-sm);
  border: 1px solid #b8c8cc;
  background: #fff;
  color: var(--color-text);
}

textarea {
  resize: vertical;
}

.form-feedback {
  margin: 0.75rem 0 0;
  font-weight: 600;
  color: var(--color-primary);
}

.site-footer {
  border-top: 1px solid var(--color-border);
  background: #eef4f3;
  padding: 1.7rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr auto 1.1fr;
  gap: 1rem;
  align-items: start;
}

.site-footer nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: 0.4rem;
}

.footer-note {
  color: var(--color-text-muted);
  margin: 0;
}

/* Fokuszustände für Tastatur-Bedienung */
:focus-visible {
  outline: 3px solid rgba(15, 76, 92, 0.35);
  outline-offset: 2px;
}

/* Dezentes Einblenden, deaktivierbar über prefers-reduced-motion */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.55s ease, transform 0.55s ease;
}

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

@media (max-width: 1040px) {
  .hero-grid,
  .contact-grid {
    grid-template-columns: 1fr;
  }

  .solution-grid {
    grid-template-columns: 1fr 1fr;
  }

  .cards-grid.six {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .cards-grid.three {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .process-line {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .process-line::before {
    left: 1rem;
    right: 1rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .section {
    padding: 3.3rem 0;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .brand img {
    width: 200px;
  }

  .main-nav {
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    background: var(--color-surface);
    border-bottom: 1px solid var(--color-border);
    display: none;
    flex-direction: column;
    align-items: stretch;
    gap: 0.8rem;
    padding: 0.95rem 1.2rem 1.2rem;
  }

  .main-nav.open {
    display: flex;
  }

  .main-nav ul {
    flex-direction: column;
    gap: 0.65rem;
  }

  .nav-cta {
    width: 100%;
  }

  .cards-grid.six,
  .cards-grid.three,
  .cards-grid.four,
  .solution-grid,
  .process-line {
    grid-template-columns: 1fr;
  }

  .team-media {
    width: 100%;
  }

  .challenge-graphic {
    width: 100%;
  }

  .process-line::before {
    left: 1.05rem;
    top: 0.8rem;
    bottom: 0.8rem;
    right: auto;
    width: 2px;
    height: auto;
    background: linear-gradient(180deg, rgba(15, 76, 92, 0.35), rgba(47, 127, 123, 0.55));
  }

  .process-line li {
    min-height: auto;
    padding-left: 1rem;
  }

  .step-signal {
    top: 0.7rem;
    right: 0.7rem;
  }

  .card-title {
    align-items: flex-start;
  }
}

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

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

  .reveal {
    opacity: 1;
    transform: none;
  }
}