:root {
  --bg: #f5f7fa;
  --surface: #ffffff;
  --text: #1e293b;
  --muted: #5b6778;
  --line: #d9e1ea;
  --primary: #0f4c81;
  --primary-dark: #0b365c;
  --accent: #1f9d8b;
  --shadow: 0 12px 30px rgba(15, 36, 64, 0.08);
  --radius: 18px;
  --container: 1180px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}

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

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

button {
  font: inherit;
}

.container {
  width: min(var(--container), calc(100% - 2rem));
  margin: 0 auto;
}

/* Topbar */
.topbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(10px);
}

.nav {
  min-height: 78px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  flex-shrink: 0;
  max-width: 280px;
}

.logo-icon {
  width: 44px !important;
  height: 44px !important;
  min-width: 44px;
  max-width: 44px;
  min-height: 44px;
  max-height: 44px;
  object-fit: contain;
}

.logo-text {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.1;
  white-space: nowrap;
}

.logo-text span {
  color: var(--accent);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

.nav-links a {
  color: var(--muted);
  font-weight: 600;
  font-size: 1rem;
}

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

/* Hero */
.hero {
  padding: 5rem 0 4rem;
  background:
    radial-gradient(circle at top right, rgba(31, 157, 139, 0.12), transparent 30%),
    linear-gradient(180deg, #ffffff 0%, #f5f7fa 100%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.35fr 0.95fr;
  gap: 2rem;
  align-items: center;
}

.eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.hero h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 4vw, 3.3rem);
  line-height: 1.15;
  color: var(--primary-dark);
}

.lead {
  font-size: 1.08rem;
  color: var(--muted);
  max-width: 760px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.8rem;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.85rem 1.3rem;
  border-radius: 999px;
  font-weight: 700;
  transition: transform 0.2s ease, background 0.2s ease, color 0.2s ease;
}

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

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

.btn-primary:hover {
  background: var(--primary-dark);
}

.btn-secondary {
  background: #ffffff;
  color: var(--primary);
  border: 1px solid var(--line);
}

.btn-secondary:hover {
  background: #f8fafc;
}

.hero-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
}

.hero-card h2 {
  margin-top: 0;
  margin-bottom: 0.8rem;
  color: var(--primary-dark);
}

.hero-card ul {
  margin: 1rem 0;
  padding-left: 1.2rem;
}

.hero-note {
  margin-bottom: 0;
  color: var(--muted);
  font-size: 0.96rem;
}

/* Sections */
.section {
  padding: 4.5rem 0;
}

.section-head {
  max-width: 820px;
  margin-bottom: 2rem;
}

.section-head h2 {
  margin: 0 0 0.8rem;
  font-size: clamp(1.7rem, 3vw, 2.5rem);
  color: var(--primary-dark);
}

.section-head p {
  margin: 0;
  color: var(--muted);
}

/* Accordion */
.accordion-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}
.accordion-item {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.accordion-item.open {
  border-color: rgba(15, 76, 129, 0.35);
  box-shadow: 0 18px 35px rgba(15, 36, 64, 0.12);
}

.accordion-header {
  width: 100%;
  border: 0;
  background: transparent;
  display: grid;
  grid-template-columns: auto 1fr auto;
  gap: 1rem;
  align-items: center;
  text-align: left;
  padding: 1.35rem 1.5rem;
  cursor: pointer;
}

.accordion-header:hover {
  background: #f8fbff;
}

.accordion-item.open .accordion-header {
  background: #f8fbff;
}

.accordion-number {
  display: inline-flex;
  width: 42px;
  height: 42px;
  border-radius: 999px;
  align-items: center;
  justify-content: center;
  background: var(--primary);
  color: #fff;
  font-weight: 700;
  flex-shrink: 0;
}

.accordion-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  min-width: 0;
}

.accordion-title {
  font-size: 1.18rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.accordion-subtitle {
  font-size: 0.98rem;
  color: var(--muted);
}

.accordion-item.active .accordion-icon {
  transform: rotate(45deg);
}
.accordion-icon {
  font-size: 1.8rem;
  color: var(--accent);
  line-height: 1;
  transition: transform 0.25s ease;
}

.accordion-item.open .accordion-icon {
  transform: rotate(45deg);
}

.accordion-content-inner {
  padding: 0 1.5rem 1.5rem;
}

.accordion-content-inner > p {
  margin-top: 0.25rem;
  color: var(--muted);
}

.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease;
}

/* Feature cards */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.2rem;
  margin-top: 1.8rem;
}

.feature-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 1.2rem;
}

.feature-card h3 {
  margin-top: 0;
  margin-bottom: 0.7rem;
  color: var(--primary-dark);
  font-size: 1.05rem;
}

.feature-card p {
  margin: 0;
  color: var(--muted);
}

/* Info box */
.info-box {
  margin-top: 1.5rem;
  border: 1px solid var(--line);
  border-left: 5px solid var(--primary);
  background: #f8fbff;
  border-radius: 14px;
  padding: 1rem 1.2rem;
}

.info-box h3 {
  margin-top: 0;
  color: var(--primary-dark);
}

.info-box ul {
  margin: 0.6rem 0 0;
  padding-left: 1.2rem;
}

.info-box p {
  margin: 0.6rem 0 0;
  color: var(--muted);
}

.info-box.emphasis {
  border-left-color: var(--accent);
  background: #f2fcf9;
}

/* Compare */
.compare-section {
  background: linear-gradient(180deg, #ffffff 0%, #f6f9fc 100%);
}

.comparison-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.4rem;
}

.comparison-card {
  background: #ffffff;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
  box-shadow: var(--shadow);
}

.comparison-card h3 {
  margin-top: 0;
  color: var(--primary-dark);
}

.comparison-card ul {
  margin: 0.7rem 0 0;
  padding-left: 1.2rem;
}

/* Contact */
.contact-box {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 2rem;
  display: grid;
  grid-template-columns: 1.4fr 0.8fr;
  gap: 1.4rem;
  align-items: center;
  box-shadow: var(--shadow);
}

.contact-box h2 {
  margin: 0 0 0.8rem;
  color: var(--primary-dark);
}

.contact-box p {
  margin: 0;
  color: var(--muted);
}

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem;
  justify-content: flex-end;
}

/* Footer */
.site-footer {
  padding: 1.4rem 0;
  border-top: 1px solid var(--line);
  background: #ffffff;
}

.footer-inner {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
  align-items: center;
}

.site-footer p {
  margin: 0;
  color: var(--muted);
}

.back-top {
  color: var(--primary);
  font-weight: 700;
}

/* Responsive */
@media (max-width: 960px) {
  .hero-grid,
  .feature-grid,
  .comparison-grid,
  .contact-box {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 760px) {
  .nav {
    flex-direction: column;
    align-items: flex-start;
    padding: 0.85rem 0;
  }

  .nav-links {
    gap: 0.8rem;
  }

  .hero {
    padding-top: 3.5rem;
  }

  .section {
    padding: 3.5rem 0;
  }

  .hero-card,
  .comparison-card,
  .contact-box,
  .feature-card {
    padding: 1.2rem;
  }

  .accordion-header {
    grid-template-columns: auto 1fr auto;
    padding: 1.1rem 1rem;
  }

  .accordion-content-inner {
    padding: 0 1rem 1rem;
  }

  .accordion-title {
    font-size: 1.02rem;
  }

  .accordion-subtitle {
    font-size: 0.93rem;
  }

  .hero h1 {
    font-size: 2rem;
  }

  .logo {
    max-width: 100%;
  }

  .logo-text {
    font-size: 1.1rem;
  }
}
.contact-details {
  margin-top: 1.4rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
}

.contact-details p {
  margin: 0.35rem 0;
  color: var(--text);
}

.contact-details a {
  color: var(--primary);
  font-weight: 600;
}

.contact-details a:hover {
  text-decoration: underline;
}
.ndc-visual {
  margin: 2rem 0;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.ndc-visual img {
  width: 100%;
  height: auto;
  display: block;
}

.visual-title {
  margin-top: 2rem;
  margin-bottom: 1rem;
  font-size: 1.4rem;
  color: var(--primary-dark);
}

.ndc-visual {
  margin-bottom: 2rem;
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.ndc-visual img {
  width: 100%;
  height: auto;
  display: block;
}

#omraden {
  scroll-margin-top: 5px;
}
.embedded-architecture {
  margin-top: 1.5rem;
}

.embedded-architecture summary {
  cursor: pointer;
  list-style: none;
  font-weight: 700;
  color: var(--primary-dark);
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.embedded-architecture summary::-webkit-details-marker {
  display: none;
}

.embedded-architecture summary::after {
  content: "+";
  float: right;
  color: var(--accent);
  font-size: 1.4rem;
}

.embedded-architecture[open] summary::after {
  content: "−";
}

.embedded-architecture summary small {
  color: var(--muted);
  font-weight: 400;
}

.embedded-architecture-inner {
  margin-top: 1rem;
}

.embedded-architecture code {
  display: inline-block;
  margin-top: 0.35rem;
  padding: 0.4rem 0.55rem;
  background: var(--surface-2);
  border-radius: 8px;
  font-size: 0.9rem;
  overflow-wrap: anywhere;
}