:root {
  --navy: #101f55;
  --navy-dark: #071239;
  --green: #52c832;
  --green-dark: #36a51f;
  --text: #172033;
  --muted: #657085;
  --bg: #ffffff;
  --soft: #f5f7fb;
  --border: #e4e8f0;
  --shadow: 0 16px 36px rgba(16, 31, 85, 0.1);
  --radius: 8px;
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

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

a {
  color: inherit;
  text-decoration: none;
}

a:focus-visible,
.btn:focus-visible {
  outline: 3px solid rgba(82, 200, 50, 0.45);
  outline-offset: 3px;
}

.container {
  width: min(1120px, calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  color: var(--navy);
  font-size: 1.2rem;
}

.brand img {
  width: 52px;
  height: 52px;
  object-fit: contain;
  border-radius: var(--radius);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 22px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--navy);
}

.nav-links a {
  padding: 8px 0;
}

.nav-links a:hover {
  color: var(--green-dark);
}

.single-link {
  justify-content: flex-end;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 12px 20px;
  border-radius: var(--radius);
  background: var(--green);
  color: #ffffff;
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(82, 200, 50, 0.26);
  transition: transform 0.2s ease, background 0.2s ease;
}

.btn:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
}

.btn.secondary {
  background: #ffffff;
  color: var(--navy);
  border: 1px solid var(--border);
  box-shadow: none;
}

.hero {
  padding: 88px 0 78px;
  background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr);
  align-items: center;
  gap: 54px;
}

.hero-copy {
  max-width: 680px;
}

.eyebrow,
.section-kicker {
  display: inline-flex;
  color: var(--green-dark);
  font-weight: 800;
  font-size: 0.9rem;
  margin-bottom: 16px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.section-kicker.light {
  color: rgba(255, 255, 255, 0.76);
}

h1,
h2,
h3 {
  color: var(--navy);
  line-height: 1.12;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.9rem);
  margin-bottom: 24px;
}

h2 {
  font-size: clamp(2rem, 3vw, 3rem);
  margin-bottom: 14px;
}

h3 {
  font-size: 1.25rem;
  margin-bottom: 10px;
}

.hero p,
.section-head p,
.card p,
.project p,
.contact-box p {
  color: var(--muted);
}

.hero p {
  font-size: 1.15rem;
  margin-bottom: 30px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.hero-panel {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 30px;
  display: grid;
  gap: 20px;
}

.hero-panel img {
  width: min(300px, 100%);
  margin: 0 auto;
  border-radius: var(--radius);
}

.hero-panel strong,
.hero-panel span {
  display: block;
}

.hero-panel strong {
  color: var(--navy);
  font-size: 1.3rem;
  margin-bottom: 4px;
}

.hero-panel span {
  color: var(--muted);
}

section {
  padding: 82px 0;
}

.section-head {
  max-width: 720px;
  margin-bottom: 36px;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.card {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 26px;
  box-shadow: 0 14px 30px rgba(16, 31, 85, 0.06);
}

.card-mark {
  display: inline-flex;
  color: var(--green-dark);
  font-weight: 800;
  margin-bottom: 18px;
}

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

.project {
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(280px, 1.05fr);
  gap: 42px;
  align-items: center;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 34px;
  box-shadow: var(--shadow);
}

.project-badge {
  display: inline-flex;
  background: var(--navy);
  color: #ffffff;
  border-radius: var(--radius);
  padding: 7px 12px;
  font-weight: 800;
  font-size: 0.85rem;
  margin-bottom: 16px;
}

.project h3 {
  font-size: clamp(2rem, 3vw, 3.2rem);
  margin-bottom: 16px;
}

.project p {
  margin-bottom: 22px;
}

.features,
.feature-list {
  list-style: none;
  display: grid;
  gap: 12px;
}

.features {
  margin-bottom: 26px;
}

.features li,
.feature-list li {
  position: relative;
  padding-left: 30px;
  color: var(--text);
  font-weight: 700;
}

.features li::before,
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--green);
}

.project-preview {
  min-height: 440px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 28px;
  background: linear-gradient(145deg, var(--navy) 0%, #20397e 60%, #52c832 140%);
  border-radius: var(--radius);
}

.project-preview img {
  width: min(340px, 100%);
  display: block;
  filter: drop-shadow(0 24px 40px rgba(7, 18, 57, 0.35));
}

.project-hero {
  padding-bottom: 86px;
}

.hero-preview {
  min-height: 520px;
}

.split-section {
  display: grid;
  grid-template-columns: minmax(260px, 0.9fr) minmax(280px, 1.1fr);
  gap: 42px;
  align-items: start;
}

.feature-list {
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}

.contact-box {
  background: var(--navy);
  color: #ffffff;
  border-radius: var(--radius);
  padding: 44px;
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(240px, 0.8fr);
  gap: 30px;
  align-items: center;
}

.contact-box h2 {
  color: #ffffff;
}

.contact-box p {
  color: rgba(255, 255, 255, 0.78);
}

.contact-actions {
  display: flex;
  justify-content: flex-end;
}

.contact-box.center {
  text-align: left;
}

.impressum {
  background: #ffffff;
  border-top: 1px solid var(--border);
}

.impressum-box {
  display: grid;
  grid-template-columns: minmax(220px, 0.75fr) minmax(280px, 1.25fr);
  gap: 30px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px;
  background: var(--soft);
}

.impressum p {
  color: var(--muted);
  margin-bottom: 10px;
}

.impressum a {
  color: var(--navy);
  font-weight: 700;
}

.legal-note {
  font-size: 0.92rem;
  margin-top: 18px;
}

footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.76);
  padding: 28px 0;
  text-align: center;
  font-size: 0.95rem;
}

footer strong {
  color: #ffffff;
}

@media (max-width: 860px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav-links {
    width: 100%;
    justify-content: space-between;
    gap: 12px;
    overflow-x: auto;
    padding-bottom: 4px;
  }

  .hero {
    padding: 62px 0;
  }

  .hero-grid,
  .project,
  .split-section,
  .contact-box,
  .impressum-box {
    grid-template-columns: 1fr;
  }

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

  .contact-actions {
    justify-content: flex-start;
  }

  .project-preview,
  .hero-preview {
    min-height: 420px;
  }
}

@media (max-width: 520px) {
  .container {
    width: min(100% - 28px, 1120px);
  }

  .nav-links {
    font-size: 0.88rem;
  }

  .brand span {
    font-size: 1.05rem;
  }

  .hero-panel,
  .project,
  .contact-box,
  .impressum-box,
  .feature-list {
    padding: 22px;
  }

  .project-preview,
  .hero-preview {
    min-height: 360px;
    padding: 22px;
  }

  .project-preview img {
    width: min(260px, 100%);
  }

  section {
    padding: 60px 0;
  }
}