:root {
  --bg: #0b1220;
  --bg-soft: #121b2e;
  --card: #ffffff;
  --text: #142033;
  --text-light: #5f6e85;
  --line: #dfe5ef;
  --brand: #00a3ff;
  --brand-dark: #0077ba;
  --accent: #38d39f;
  --white: #ffffff;
  --shadow: 0 18px 40px rgba(7, 16, 30, 0.12);
  --radius: 20px;
  --radius-sm: 14px;
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
  color: var(--text);
  background: #f5f8fc;
  line-height: 1.6;
}

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

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

.container {
  width: min(calc(100% - 32px), var(--max));
  margin: 0 auto;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(11, 18, 32, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
}

.logo,
.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--white);
  letter-spacing: 0.02em;
}

.logo span,
.footer-logo span {
  color: var(--brand);
}

.logo-icon {
  width: 40px;
  height: 40px;
  object-fit: contain;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
}

.nav-links a {
  color: rgba(255, 255, 255, 0.9);
  font-size: 0.97rem;
}

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

.menu-toggle {
  display: none;
  border: 1px solid rgba(255, 255, 255, 0.18);
  background: transparent;
  color: var(--white);
  border-radius: 12px;
  padding: 10px 14px;
  font-size: 1.2rem;
  cursor: pointer;
}

.hero {
  background:
    radial-gradient(circle at top right, rgba(0, 163, 255, 0.18), transparent 28%),
    linear-gradient(135deg, #08101e 0%, #101d35 55%, #132646 100%);
  color: var(--white);
  padding: 88px 0 72px;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 34px;
  align-items: center;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.12em;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--accent);
  margin-bottom: 8px;
}

.hero h1 {
  margin: 0 0 18px;
  font-size: clamp(2rem, 4.8vw, 4rem);
  line-height: 1.08;
}

.lead {
  font-size: 1.08rem;
  max-width: 720px;
  color: rgba(255, 255, 255, 0.88);
}

.hero-actions,
.contact-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 28px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0 18px;
  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(--brand);
  color: var(--white);
}

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

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: var(--white);
  border: 1px solid rgba(255, 255, 255, 0.18);
}

.hero-points {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-top: 34px;
}

.point-card,
.visual-card,
.info-card,
.benefit-item,
.contact-box {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.point-card {
  padding: 18px;
}

.point-card strong {
  display: block;
  margin-bottom: 8px;
}

.point-card span {
  color: rgba(255, 255, 255, 0.8);
  font-size: 0.95rem;
}

.hero-visual {
  display: grid;
  gap: 16px;
}

.visual-card {
  padding: 22px;
}

.visual-card.large h3 {
  margin: 10px 0 10px;
  font-size: 1.45rem;
}

.visual-card.large p,
.visual-card.small span:last-child {
  color: rgba(255, 255, 255, 0.82);
}

.visual-stack {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
}

.visual-card.small {
  text-align: center;
}

.mini-label {
  display: inline-block;
  padding: 5px 10px;
  border-radius: 999px;
  background: rgba(56, 211, 159, 0.14);
  color: var(--accent);
  font-size: 0.8rem;
  font-weight: 700;
}

.metric {
  display: block;
  font-size: 1.12rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.section {
  padding: 76px 0;
}

.section.alt {
  background: #eef4fb;
}

.section-heading {
  margin-bottom: 30px;
}

.section-heading h2 {
  margin: 0 0 12px;
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.14;
}

.section-heading p {
  margin: 0;
  max-width: 840px;
  color: var(--text-light);
}

.narrow {
  max-width: 800px;
}

.card-grid {
  display: grid;
  gap: 18px;
}

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

.info-card,
.benefit-item {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 24px;
}

.info-card h3,
.benefit-item h3 {
  margin-top: 0;
  margin-bottom: 10px;
  font-size: 1.2rem;
}

.info-card p,
.benefit-item p {
  margin: 0;
  color: var(--text-light);
}

.tech-list {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.tech-list span {
  display: inline-flex;
  align-items: center;
  min-height: 42px;
  padding: 0 16px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: 0 10px 24px rgba(13, 27, 51, 0.06);
  font-weight: 700;
}

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
}

.accordion-group {
  display: grid;
  gap: 14px;
}

.accordion {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  overflow: hidden;
  box-shadow: 0 10px 24px rgba(13, 27, 51, 0.06);
}

.accordion summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 20px 58px 20px 20px;
  font-size: 1.05rem;
  font-weight: 700;
}

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

.accordion summary::after {
  content: "+";
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.6rem;
  color: var(--brand);
}

.accordion[open] summary::after {
  content: "−";
}

.accordion-body {
  padding: 0 20px 20px;
  color: var(--text-light);
}

.contact-box {
  background: linear-gradient(135deg, #0d1728, #132746);
  color: var(--white);
  padding: 34px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.contact-box p {
  color: rgba(255, 255, 255, 0.88);
}

.site-footer {
  background: #08101d;
  color: rgba(255, 255, 255, 0.8);
  padding: 48px 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 24px;
}

.site-footer h4 {
  color: var(--white);
  margin-top: 0;
  margin-bottom: 12px;
}

.site-footer a {
  display: block;
  margin-bottom: 8px;
}

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

@media (max-width: 980px) {
  .hero-grid,
  .footer-grid,
  .contact-box,
  .benefits-grid,
  .card-grid.three,
  .hero-points,
  .visual-stack {
    grid-template-columns: 1fr;
  }

  .contact-box {
    align-items: flex-start;
  }
}

@media (max-width: 840px) {
  .menu-toggle {
    display: inline-flex;
  }

  .nav {
    position: relative;
  }

  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    right: 0;
    width: min(320px, 100%);
    background: #0f1b30;
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 18px;
    padding: 14px;
    box-shadow: var(--shadow);
  }

  .nav-links.open {
    display: grid;
  }

  .nav-links a {
    padding: 10px 8px;
    border-radius: 10px;
  }

  .nav-links a:hover {
    background: rgba(255, 255, 255, 0.06);
  }

  .hero {
    padding-top: 62px;
  }
}

@media (max-width: 560px) {
  .section,
  .hero {
    padding-left: 0;
    padding-right: 0;
  }

  .contact-box,
  .info-card,
  .benefit-item,
  .visual-card,
  .point-card {
    border-radius: 16px;
  }

  .accordion summary {
    font-size: 1rem;
  }
}


/* Premium bildsektion för IoT-soprum */
.visual-proof {
  background: linear-gradient(180deg, #f5f8fc 0%, #eef4fb 100%);
}

.iot-image-card {
  position: relative;
  margin: 34px 0 0;
  border-radius: 26px;
  overflow: hidden;
  box-shadow: 0 26px 70px rgba(7, 16, 30, 0.22);
  border: 1px solid rgba(13, 27, 51, 0.12);
  background: #08101d;
}

.iot-image-card img {
  width: 100%;
  height: auto;
  display: block;
}

.image-caption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 18px;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.image-caption span {
  display: flex;
  flex-direction: column;
  gap: 2px;
  padding: 14px 16px;
  border-radius: 18px;
  color: rgba(255,255,255,0.88);
  background: rgba(8, 16, 29, 0.76);
  border: 1px solid rgba(255,255,255,0.14);
  backdrop-filter: blur(10px);
  text-align: left;
}

.image-caption strong {
  color: #ffffff;
  font-size: 1.05rem;
}

@media (max-width: 980px) {
  .image-caption {
    position: static;
    grid-template-columns: repeat(2, 1fr);
    padding: 14px;
    background: #08101d;
  }
}

@media (max-width: 560px) {
  .iot-image-card {
    border-radius: 18px;
  }

  .image-caption {
    grid-template-columns: 1fr;
  }
}