:root {
  --blue: #0B3C5D;
  --green: #2FA36B;
  --light: #F4F7F9;
  --text: #1E2933;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Inter", sans-serif;
  color: var(--text);
  line-height: 1.6;
}

/* Layout helpers */
.container {
  max-width: 900px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.narrow {
  max-width: 700px;
}

/* Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: white;
  border-bottom: 1px solid #e5e7eb;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
}

.brand img {
  height: 36px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 1.5rem;
  padding: 0;
  margin: 0;
}

.nav-links a {
  text-decoration: none;
  color: var(--text);
}

/* Hero */
.hero {
  min-height: 90vh;
  background: linear-gradient(135deg, var(--blue), var(--green));
  color: white;
  display: flex;
  align-items: center;
  padding-top: 10px;
  position: relative;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 3rem;
}

.hero h1 {
  font-size: 2.5rem;
  line-height: 1.2;
}

.hero p {
  font-size: 1.1rem;
  max-width: 40ch;
}

.hero-visual {
  display: flex;
  flex-direction: column;
  align-items: flex-end;   /* right-aligned */
  justify-content: space-between;
}

.hero-visual img {
  width: 100%;
  max-width: 320px;
  opacity: 0.9;
}

.hero-cta {
  margin-top: 2rem;

  background: white;
  color: var(--blue);
  padding: 0.7rem 1.3rem;
  border-radius: 999px;
  font-weight: 600;
  text-decoration: none;

  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.25);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.3);
}

/* Sections */
.section {
  padding: 5rem 0;
}

.section.light {
  background: var(--light);
}

.section h2 {
  margin-top: 0;
}

/* Concept grid */
.concept-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 2rem;
  margin-top: 2rem;
}

.concept-grid strong {
  display: block;
  color: var(--blue);
  margin-bottom: 0.5rem;
}

/* Footer */
.site-footer {
  background: #0f172a;
  color: #cbd5e1;
  font-size: 0.9rem;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
}

.footer-inner ul {
  list-style: none;
  display: flex;
  gap: 1rem;
  margin: 0;
  padding: 0;
}

.footer-inner a {
  color: #cbd5e1;
  text-decoration: none;
}

/* Vertikaler Stack für Technologie-Karten */
.content-stack {
  display: flex;
  flex-direction: column;
  gap: 2rem; /* Abstand zwischen den Karten */
  margin-top: 3rem;
}

.content-card {
  background: white;
  border-radius: 12px;
  padding: 2rem;
  border: 1px solid #e5e7eb;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.content-card h3 {
  margin-top: 0;
  color: var(--blue);
}

.content-card ul {
  padding-left: 1.2rem;
}

.content-card li {
  margin-bottom: 1rem;
}

.content-card a {
  color: var(--green);
  text-decoration: none;
}

.content-card a:hover {
  text-decoration: underline;
}

/* Table inside tech-card */
.settings-table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 1rem;
  font-size: 0.95rem;
}

.settings-table th,
.settings-table td {
  text-align: left;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid #e5e7eb;
}

.settings-table th {
  background-color: #f4f7f9; /* light header background */
  color: var(--blue);
  font-weight: 600;
}

.settings-table tbody tr:nth-child(even) {
  background-color: #fbfcfd; /* subtle stripe */
}

.settings-table td {
  color: var(--text);
}

.content-stack img {
  max-width: 720px;
  width: 100%;
  height: auto;
  display: block;
  margin: 2.5rem auto;
}


/* Optional: make table responsive on mobile */
@media (max-width: 480px) {
  .settings-table th,
  .settings-table td {
    padding: 0.5rem;
  }
  .content-stack img {
    margin: 1.5rem auto;
  }
    .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
  }

  .hero-visual {
    align-items: center;
  }

  .hero-cta {
    margin-top: 1.5rem;
  }
}