:root {
  --green: #7ac143;
  --green-dark: #4c9a2a;
  --blue: #0072bc;
  --blue-dark: #00539b;
  --ink: #22303c;
  --ink-soft: #56626c;
  --bg: #f5f7f6;
  --border: #e1e6e3;
  --radius: 14px;
  --shadow: 0 4px 18px rgba(20, 40, 30, 0.08);
  --shadow-hover: 0 10px 28px rgba(20, 40, 30, 0.14);

  /* Remap Bootstrap theme colors to the KNX palette */
  --bs-primary: var(--green-dark);
  --bs-primary-rgb: 76, 154, 42;
  --bs-link-color: var(--blue-dark);
  --bs-link-color-rgb: 0, 83, 155;
  --bs-link-hover-color: var(--green-dark);
  --bs-body-color: var(--ink);
  --bs-body-bg: var(--bg);
  --bs-border-color: var(--border);
  --bs-body-font-family: "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  --bs-body-font-size: 1.05rem;
}

html { scroll-behavior: smooth; }

/* Widen the layout beyond Bootstrap's default container steps */
.container {
  max-width: 1800px;
  padding-left: 24px;
  padding-right: 24px;
}

.card {
  --bs-card-bg: #ffffff;
  --bs-card-border-color: var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.btn-primary {
  --bs-btn-bg: var(--green-dark);
  --bs-btn-border-color: var(--green-dark);
  --bs-btn-hover-bg: var(--green);
  --bs-btn-hover-border-color: var(--green);
  --bs-btn-active-bg: var(--green);
  --bs-btn-active-border-color: var(--green);
  font-weight: 700;
}

/* Header */
.site-header .header-inner {
  padding-top: 14px;
  padding-bottom: 14px;
}

.logo-text {
  font-weight: 700;
  font-size: 1.75rem;
  color: var(--ink);
  line-height: 1.05;
  display: flex;
  flex-direction: column;
}

.logo-text small {
  font-size: 0.65rem;
  letter-spacing: 0.25em;
  font-weight: 600;
  color: var(--ink-soft);
}

.navbar-nav .nav-link {
  color: var(--ink);
  font-weight: 600;
  font-size: 1.1rem;
  border-bottom: 2px solid transparent;
  transition: border-color 0.2s, color 0.2s;
}

.navbar-nav .nav-link:hover {
  color: var(--green-dark);
  border-color: var(--green);
}

/* Hero */
.hero {
  position: relative;
  height: 320px;
  overflow: hidden;
}

.hero-illustration {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  display: block;
}

.hero-content {
  position: relative;
  padding-top: 60px;
}

.hero-text {
  display: inline-block;
  max-width: 640px;
  padding: 24px 28px;
  color: #0f2f45;
  background: rgba(255, 255, 255, 0.82);
  backdrop-filter: blur(4px);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
}

.hero-text h1 { margin-bottom: 12px; }
.hero-text p { max-width: 520px; }

/* Callout box */
.callout-box {
  border-left: 5px solid var(--green);
}

.link-arrow {
  display: inline-block;
  margin-top: 8px;
  color: var(--green-dark);
}

.iso-note {
  background: #eef7ea;
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 0.95rem;
  color: var(--ink-soft);
}

/* Stats bar */
.stats-bar {
  display: flex;
  gap: 4px;
  border-radius: 10px;
  overflow: hidden;
}

.stat {
  flex: 1;
  padding: 16px 18px;
  color: #fff;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.stat strong { font-size: 1.05rem; }
.stat span { font-size: 0.85rem; opacity: 0.9; }

.stat-green { background: linear-gradient(135deg, var(--green), var(--green-dark)); }
.stat-blue { background: linear-gradient(135deg, var(--blue), var(--blue-dark)); }

/* Sidebar */
.form-message { color: var(--green-dark); font-weight: 600; }

.card-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}

.promo-card {
  border-color: var(--green);
  text-decoration: none;
  color: var(--ink);
  display: flex;
  transition: box-shadow 0.2s, transform 0.2s;
}

.promo-card .card-body { padding: 14px; }

.promo-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
  text-decoration: none;
}

.promo-card strong { display: block; color: var(--green-dark); font-size: 0.95rem; }
.promo-card span { display: block; font-size: 0.82rem; color: var(--ink-soft); }
.promo-card em { font-style: normal; font-size: 0.8rem; color: var(--blue-dark); font-weight: 600; margin-top: 4px; display: block; }

.sidebar-image {
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  line-height: 0;
}

.link-list h4 {
  margin: 0 0 8px;
  font-size: 0.95rem;
  color: var(--blue-dark);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.link-list a {
  display: block;
  font-size: 0.9rem;
  padding: 3px 0;
}

/* Footer */
.back-to-top {
  color: var(--green-dark);
  transition: opacity 0.2s ease;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.5s ease, transform 0.5s ease;
}

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

/* Funktioner page */
.funktioner-intro {
  max-width: 760px;
  margin-bottom: 12px;
}

.funktioner-intro .lead {
  color: var(--ink-soft);
}

.feature-card {
  height: 100%;
  border-top: 4px solid var(--green);
  transition: box-shadow 0.2s, transform 0.2s;
}

.feature-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}

.feature-card.accent-blue {
  border-top-color: var(--blue);
}

.feature-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  margin-bottom: 16px;
}

.feature-icon svg {
  width: 28px;
  height: 28px;
}

.feature-icon-green { background: linear-gradient(135deg, var(--green), var(--green-dark)); }
.feature-icon-blue { background: linear-gradient(135deg, var(--blue), var(--blue-dark)); }

.feature-card .card-title { color: var(--ink); }
.feature-card .card-text { color: var(--ink-soft); font-size: 0.96rem; margin-bottom: 0; }

.fordelar-section {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 36px;
}

.fordelar-section h2 { color: var(--ink); }
.fordelar-section > p { color: var(--ink-soft); }

.fordelar-grid {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px 32px;
}

.fordelar-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.98rem;
  color: var(--ink);
}

.fordelar-item svg {
  flex-shrink: 0;
  width: 20px;
  height: 20px;
  margin-top: 2px;
  color: var(--green-dark);
}

/* Responsive */
@media (max-width: 768px) {
  .fordelar-grid { grid-template-columns: 1fr; }
  .fordelar-section { padding: 24px; }
}

@media (max-width: 576px) {
  .hero-text { padding: 18px 20px; }
  .hero-text h1 { font-size: 1.6rem; }
  .card-grid { grid-template-columns: 1fr; }
}