/* ==========================================================================
   Stal Data - Modern High-Converting Design System & Stylesheet
   Brand Colors: Tech Azure Blue (#397CC7), Sky Cyan (#A9DEE6), Deep Navy (#081426)
   ========================================================================== */

:root {
  /* Brand Colors */
  --primary: #2B6CB0;
  --primary-light: #397CC7;
  --primary-tint: #EBF3FD;
  --primary-dark: #1A365D;
  --primary-glow: rgba(57, 124, 199, 0.28);
  
  /* Modern Cyan / Telemetry Accents from New Logo */
  --cyan-logo: #A9DEE6;
  --cyan-glow: rgba(169, 222, 230, 0.35);
  --cyan-dark: #0284C7;
  
  /* Deep High-Tech Navy & Slate Surfaces */
  --navy-950: #040A14;
  --navy-900: #081426;
  --navy-850: #0D1E36;
  --navy-800: #132847;
  --navy-700: #1A365D;
  
  /* Clean Neutrals */
  --slate-900: #0F172A;
  --slate-800: #1E293B;
  --slate-700: #334155;
  --slate-600: #475569;
  --slate-500: #64748B;
  --slate-400: #94A3B8;
  --slate-300: #CBD5E1;
  --slate-200: #E2E8F0;
  --slate-100: #F1F5F9;
  --slate-50:  #F8FAFC;
  
  /* Clean Light Theme Surfaces */
  --bg-body: #F8FAFC;
  --bg-surface: #FFFFFF;
  --bg-surface-alt: #F0F6FD;
  --border-light: #E2EDF8;
  --border-subtle: #EDF2F7;
  
  /* Status Indicators */
  --status-green: #10B981;
  --status-green-bg: #ECFDF5;
  --status-amber: #F59E0B;
  --status-amber-bg: #FFFBEB;
  --status-red: #EF4444;
  --status-red-bg: #FEF2F2;
  
  /* Typography */
  --font-sans: 'Plus Jakarta Sans', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  
  /* Shadows */
  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 8px -2px rgba(15, 23, 42, 0.08), 0 2px 4px -2px rgba(15, 23, 42, 0.04);
  --shadow-lg: 0 12px 24px -4px rgba(15, 23, 42, 0.08), 0 4px 8px -2px rgba(15, 23, 42, 0.04);
  --shadow-xl: 0 24px 48px -12px rgba(15, 23, 42, 0.12);
  --shadow-glow: 0 0 35px rgba(57, 124, 199, 0.35);
  
  /* Radii */
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
  
  /* Transitions */
  --transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

/* ==========================================================================
   Base Reset
   ========================================================================== */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--bg-body);
  color: var(--slate-700);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: var(--transition);
}

a:hover {
  color: var(--primary-light);
}

h1, h2, h3, h4, h5, h6 {
  color: var(--slate-900);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.025em;
}

/* ==========================================================================
   Layout Containers & Grids
   ========================================================================== */
.container {
  width: 100%;
  max-width: 1240px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container-narrow {
  max-width: 900px;
}

section {
  padding: 5.5rem 0;
  position: relative;
}

.section-dark {
  background-color: var(--navy-900);
  color: var(--slate-300);
  background-image: 
    radial-gradient(circle at 15% 20%, rgba(57, 124, 199, 0.12) 0%, transparent 45%),
    radial-gradient(circle at 85% 80%, rgba(169, 222, 230, 0.08) 0%, transparent 40%);
}

.section-dark h1,
.section-dark h2,
.section-dark h3,
.section-dark h4 {
  color: #FFFFFF;
}

.section-alt {
  background-color: var(--bg-surface-alt);
}

/* Subtle circuit tech texture */
.tech-grid-pattern {
  background-image: 
    linear-gradient(to right, rgba(57, 124, 199, 0.05) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(57, 124, 199, 0.05) 1px, transparent 1px);
  background-size: 40px 40px;
}

/* ==========================================================================
   Header & Navigation (Sleek Dark Navy)
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(8, 20, 38, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  transition: var(--transition);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 80px;
}

.brand-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.brand-logo img {
  height: 48px;
  width: auto;
  object-fit: contain;
  transition: transform 0.2s ease;
}

.brand-logo:hover img {
  transform: scale(1.02);
}

.nav-desktop {
  display: flex;
  align-items: center;
  gap: 1.75rem;
}

.nav-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--slate-300);
  padding: 0.5rem 0.25rem;
  position: relative;
}

.nav-link:hover,
.nav-link.active {
  color: var(--cyan-logo);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--cyan-logo);
  border-radius: var(--radius-full);
}

.nav-dropdown {
  position: relative;
}

.dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  cursor: pointer;
}

.dropdown-toggle svg {
  transition: transform 0.2s ease;
}

.nav-dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 260px;
  background: var(--navy-850);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-xl);
  padding: 0.6rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: var(--transition);
  z-index: 100;
}

.dropdown-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  color: #FFFFFF;
  font-weight: 500;
  font-size: 0.92rem;
  transition: var(--transition);
}

.dropdown-item:hover {
  background-color: rgba(57, 124, 199, 0.25);
  color: var(--cyan-logo);
  padding-left: 1.25rem;
}

.header-cta {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Mobile Toggle */
.mobile-nav-toggle {
  display: none;
  background: none;
  border: none;
  padding: 0.5rem;
  cursor: pointer;
  color: #FFFFFF;
}

/* Mobile Menu Drawer */
.mobile-nav {
  position: fixed;
  top: 80px;
  left: 0;
  right: 0;
  bottom: 0;
  background: var(--navy-900);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  box-shadow: var(--shadow-xl);
  transform: translateX(100%);
  transition: transform 0.3s ease-in-out;
  z-index: 999;
  overflow-y: auto;
}

.mobile-nav.open {
  transform: translateX(0);
}

.mobile-nav .nav-link {
  font-size: 1.15rem;
  color: #FFFFFF;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-nav .nav-link:hover,
.mobile-nav .nav-link.active {
  color: var(--cyan-logo);
}

/* ==========================================================================
   Buttons & Chips (High Conversion)
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.8rem 1.6rem;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, #397CC7 0%, #2463AB 100%);
  color: #FFFFFF;
  box-shadow: 0 4px 16px var(--primary-glow);
}

.btn-primary:hover {
  background: linear-gradient(135deg, #468CD9 0%, #2A72C4 100%);
  color: #FFFFFF;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px var(--primary-glow);
}

.btn-secondary {
  background: rgba(255, 255, 255, 0.08);
  color: #FFFFFF;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.btn-secondary:hover {
  background: rgba(255, 255, 255, 0.16);
  border-color: #FFFFFF;
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-light-secondary {
  background: #FFFFFF;
  color: var(--slate-800);
  border: 1px solid var(--border-light);
}

.btn-light-secondary:hover {
  background: var(--bg-surface-alt);
  color: var(--primary);
  border-color: var(--primary);
  transform: translateY(-2px);
}

.btn-outline-white {
  background: transparent;
  color: #FFFFFF;
  border: 2px solid rgba(255, 255, 255, 0.35);
}

.btn-outline-white:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #FFFFFF;
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-whatsapp {
  background: #25D366;
  color: #FFFFFF;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
  background: #20BA5A;
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-lg {
  padding: 1rem 2.25rem;
  font-size: 1.05rem;
}

.badge-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.4rem 0.95rem;
  border-radius: var(--radius-full);
  background-color: var(--primary-tint);
  color: var(--primary);
  margin-bottom: 1.25rem;
}

.badge-chip.badge-dark {
  background-color: rgba(57, 124, 199, 0.18);
  color: var(--cyan-logo);
  border: 1px solid rgba(169, 222, 230, 0.35);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero-home {
  background: linear-gradient(135deg, var(--navy-950) 0%, var(--navy-900) 65%, var(--navy-850) 100%);
  color: #FFFFFF;
  padding: 6.5rem 0 5.5rem;
  position: relative;
  overflow: hidden;
}

/* Subtle glowing light circles */
.hero-home::before {
  content: '';
  position: absolute;
  top: -180px;
  right: -80px;
  width: 680px;
  height: 680px;
  background: radial-gradient(circle, rgba(57, 124, 199, 0.22) 0%, rgba(8, 20, 38, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-home::after {
  content: '';
  position: absolute;
  bottom: -150px;
  left: -80px;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(169, 222, 230, 0.12) 0%, rgba(8, 20, 38, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-title {
  font-size: clamp(2.4rem, 4.5vw, 3.7rem);
  font-weight: 800;
  line-height: 1.15;
  color: #FFFFFF;
  margin-bottom: 1.35rem;
}

.hero-title span {
  color: var(--cyan-logo);
  background: linear-gradient(120deg, #FFFFFF 0%, var(--cyan-logo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-lead {
  font-size: 1.18rem;
  color: var(--slate-300);
  margin-bottom: 2.25rem;
  line-height: 1.65;
  max-width: 640px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2.75rem;
}

.hero-trust-bar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.75rem;
  padding-top: 1.75rem;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
}

.trust-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.9rem;
  color: var(--slate-300);
  font-weight: 500;
}

.trust-item svg {
  color: var(--cyan-logo);
}

/* Hero Telemetry Card */
.telemetry-card {
  background: rgba(13, 30, 54, 0.75);
  border: 1px solid rgba(169, 222, 230, 0.3);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-radius: var(--radius-lg);
  padding: 1.85rem;
  box-shadow: var(--shadow-xl), 0 0 35px rgba(57, 124, 199, 0.25);
  position: relative;
}

.telemetry-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 1rem;
  margin-bottom: 1.25rem;
}

.telemetry-live-pill {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.78rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--status-green);
  background: rgba(16, 185, 129, 0.15);
  padding: 0.3rem 0.7rem;
  border-radius: var(--radius-full);
  border: 1px solid rgba(16, 185, 129, 0.3);
}

.pulse-dot {
  width: 8px;
  height: 8px;
  background-color: var(--status-green);
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.7); }
  70% { transform: scale(1); box-shadow: 0 0 0 7px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

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

.metric-box {
  background: rgba(8, 20, 38, 0.85);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-md);
  padding: 1.1rem;
  transition: var(--transition);
}

.metric-box:hover {
  border-color: rgba(169, 222, 230, 0.35);
  transform: translateY(-2px);
}

.metric-label {
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--slate-400);
  margin-bottom: 0.4rem;
}

.metric-value {
  font-size: 1.7rem;
  font-weight: 800;
  color: #FFFFFF;
  font-family: var(--font-mono);
}

.metric-sub {
  font-size: 0.78rem;
  margin-top: 0.3rem;
  display: flex;
  align-items: center;
  gap: 0.3rem;
}

.metric-sub.good { color: var(--status-green); }
.metric-sub.warn { color: var(--status-amber); }

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
  margin-bottom: 3.5rem;
}

.section-header.text-center {
  text-align: center;
  max-width: 780px;
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  font-size: clamp(2rem, 3.2vw, 2.75rem);
  margin-bottom: 1.1rem;
}

.section-subtitle {
  font-size: 1.15rem;
  color: var(--slate-600);
  line-height: 1.65;
}

.section-dark .section-subtitle {
  color: var(--slate-300);
}

/* ==========================================================================
   Pillars & Feature Cards (Klimaat, Welzijn, Gezondheid)
   ========================================================================== */
.pillar-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2.25rem;
}

.pillar-card {
  background-color: var(--bg-surface);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.5rem 2.25rem;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.pillar-card:hover {
  transform: translateY(-8px);
  border-color: var(--primary-light);
  box-shadow: var(--shadow-xl), 0 0 25px rgba(57, 124, 199, 0.12);
}

.pillar-icon-wrap {
  width: 62px;
  height: 62px;
  border-radius: var(--radius-md);
  background: var(--primary-tint);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.65rem;
  border: 1px solid rgba(57, 124, 199, 0.15);
}

.pillar-title {
  font-size: 1.5rem;
  margin-bottom: 0.9rem;
}

.pillar-desc {
  color: var(--slate-600);
  font-size: 1rem;
  margin-bottom: 1.75rem;
  flex-grow: 1;
  line-height: 1.6;
}

.pillar-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 1.75rem;
}

.pillar-tag {
  font-size: 0.8rem;
  font-weight: 600;
  background-color: var(--slate-100);
  color: var(--slate-700);
  padding: 0.3rem 0.75rem;
  border-radius: var(--radius-sm);
}

.card-link {
  font-weight: 700;
  font-size: 0.98rem;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-top: auto;
}

.card-link:hover {
  color: var(--primary-light);
  gap: 0.75rem;
}

/* ==========================================================================
   Interactive Climate Status Simulator
   ========================================================================== */
.simulator-box {
  background: #FFFFFF;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-xl);
  padding: 3rem 2.5rem;
  margin-top: 3.5rem;
  position: relative;
  overflow: hidden;
}

.sim-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.sim-slider-group {
  margin-bottom: 1.85rem;
}

.sim-label-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  margin-bottom: 0.6rem;
}

.sim-label {
  font-weight: 700;
  color: var(--slate-800);
  font-size: 0.95rem;
}

.sim-val-display {
  font-family: var(--font-mono);
  font-weight: 800;
  font-size: 1.15rem;
  color: var(--primary);
}

.sim-range {
  width: 100%;
  height: 9px;
  background: var(--slate-200);
  border-radius: var(--radius-full);
  outline: none;
  -webkit-appearance: none;
}

.sim-range::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary);
  cursor: pointer;
  box-shadow: 0 2px 8px var(--primary-glow);
  transition: transform 0.15s ease;
}

.sim-range::-webkit-slider-thumb:hover {
  transform: scale(1.18);
}

.sim-result-card {
  background: linear-gradient(135deg, var(--bg-surface-alt) 0%, #FFFFFF 100%);
  border: 1px solid var(--border-light);
  border-radius: var(--radius-md);
  padding: 2.25rem;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
}

.sim-status-badge {
  display: inline-block;
  padding: 0.55rem 1.4rem;
  border-radius: var(--radius-full);
  font-weight: 800;
  font-size: 0.98rem;
  letter-spacing: 0.04em;
  margin-bottom: 1.25rem;
}

.sim-advice-text {
  font-size: 1rem;
  color: var(--slate-700);
  line-height: 1.6;
}

/* ==========================================================================
   5-Step Process Section ("Aan de slag")
   ========================================================================== */
.steps-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 1.5rem;
  position: relative;
}

.step-card {
  background: rgba(13, 30, 54, 0.7);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 2rem 1.4rem;
  position: relative;
  transition: var(--transition-smooth);
}

.step-card:hover {
  transform: translateY(-6px);
  border-color: var(--cyan-logo);
  background: rgba(13, 30, 54, 0.95);
  box-shadow: var(--shadow-lg), 0 0 20px rgba(169, 222, 230, 0.2);
}

.step-number {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, #1A365D 100%);
  color: #FFFFFF;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.35rem;
  font-size: 1.1rem;
  border: 2px solid rgba(169, 222, 230, 0.4);
}

.step-card h4 {
  font-size: 1.2rem;
  margin-bottom: 0.65rem;
  color: #FFFFFF;
}

.step-card p {
  font-size: 0.9rem;
  color: var(--slate-300);
  line-height: 1.55;
}

/* ==========================================================================
   Feature / Showcase Grid (Alternating split)
   ========================================================================== */
.feature-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4.5rem;
  align-items: center;
  margin-bottom: 5.5rem;
}

.feature-row:last-child {
  margin-bottom: 0;
}

.feature-row.reversed {
  direction: rtl;
}

.feature-row.reversed > * {
  direction: ltr;
}

.feature-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-xl);
  border: 1px solid var(--border-light);
  background-color: #FFFFFF;
  transition: var(--transition-smooth);
}

.feature-media:hover {
  transform: scale(1.015);
  box-shadow: var(--shadow-xl), 0 0 30px rgba(57, 124, 199, 0.15);
}

.feature-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* Stal Data Ecosystem Telemetry Architecture Card */
.staldata-ecosystem-card {
  background: linear-gradient(145deg, #0A192F 0%, #0D223D 60%, #081426 100%);
  border-radius: var(--radius-lg);
  border: 1px solid rgba(169, 222, 230, 0.25);
  box-shadow: 0 20px 45px rgba(0, 0, 0, 0.25), 0 0 25px rgba(169, 222, 230, 0.1);
  padding: 2rem;
  color: #FFFFFF;
  position: relative;
  overflow: hidden;
  text-align: left;
}

.staldata-ecosystem-card::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -30%;
  width: 250px;
  height: 250px;
  background: radial-gradient(circle, rgba(169, 222, 230, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.ecosystem-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 1.25rem;
  margin-bottom: 1.5rem;
}

.ecosystem-badge-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 700;
  color: var(--cyan-logo);
}

.ecosystem-status {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-size: 0.8rem;
  color: #34D399;
  font-weight: 600;
  background: rgba(52, 211, 153, 0.12);
  padding: 0.35rem 0.75rem;
  border-radius: 9999px;
  border: 1px solid rgba(52, 211, 153, 0.25);
}

.ecosystem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1.35rem;
}

.ecosystem-node {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(169, 222, 230, 0.15);
  border-radius: var(--radius-md);
  padding: 1rem 1.1rem;
  transition: var(--transition-smooth);
}

.ecosystem-node:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(169, 222, 230, 0.4);
  transform: translateY(-2px);
}

.ecosystem-node-head {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 0.45rem;
}

.ecosystem-node-icon {
  width: 30px;
  height: 30px;
  border-radius: 8px;
  background: rgba(169, 222, 230, 0.12);
  color: var(--cyan-logo);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.ecosystem-node-title {
  font-size: 0.88rem;
  font-weight: 700;
  color: #FFFFFF;
}

.ecosystem-node-val {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--cyan-logo);
  margin-bottom: 0.2rem;
  font-family: monospace;
}

.ecosystem-node-sub {
  font-size: 0.75rem;
  color: var(--slate-400);
  line-height: 1.35;
}

.ecosystem-pipeline {
  background: rgba(0, 0, 0, 0.25);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  border: 1px dashed rgba(169, 222, 230, 0.25);
  margin-bottom: 1.25rem;
}

.ecosystem-pipeline-title {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--slate-400);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.ecosystem-pipeline-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.4rem;
  font-size: 0.76rem;
}

.pipeline-step {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: #E2E8F0;
  font-weight: 600;
}

.pipeline-arrow {
  color: var(--cyan-logo);
  opacity: 0.7;
}

.ecosystem-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.76rem;
  color: var(--slate-400);
  padding-top: 0.85rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  flex-wrap: wrap;
  gap: 0.5rem;
}


.feature-text h3 {
  font-size: 2.1rem;
  margin-bottom: 1.15rem;
}

.feature-text p {
  font-size: 1.08rem;
  color: var(--slate-600);
  margin-bottom: 1.65rem;
  line-height: 1.65;
}

.feature-list {
  list-style: none;
  margin-bottom: 2.25rem;
}

.feature-list li {
  display: flex;
  align-items: flex-start;
  gap: 0.85rem;
  margin-bottom: 1rem;
  font-size: 1.02rem;
  color: var(--slate-700);
}

.feature-list li svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 3px;
}

/* ==========================================================================
   Specs & Comparison Tables
   ========================================================================== */
.specs-table-wrap {
  background: #FFFFFF;
  border-radius: var(--radius-md);
  border: 1px solid var(--border-light);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  margin: 2.25rem 0;
}

.specs-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
}

.specs-table th,
.specs-table td {
  padding: 1.15rem 1.65rem;
  border-bottom: 1px solid var(--border-subtle);
}

.specs-table th {
  background-color: var(--bg-surface-alt);
  font-weight: 700;
  color: var(--slate-800);
  font-size: 0.92rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.specs-table tr:last-child td {
  border-bottom: none;
}

.specs-table tr:hover td {
  background-color: var(--slate-50);
}

/* ==========================================================================
   Koelunits EIA Subsidie Calculator
   ========================================================================== */
.eia-calc-card {
  background: #FFFFFF;
  border: 2px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 3rem 2.5rem;
  box-shadow: var(--shadow-xl);
  margin: 3rem 0;
}

.calc-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3.5rem;
  align-items: center;
}

.calc-output-box {
  background: linear-gradient(135deg, var(--navy-900) 0%, var(--navy-850) 100%);
  color: #FFFFFF;
  border-radius: var(--radius-md);
  padding: 2.25rem;
  border: 1px solid rgba(169, 222, 230, 0.35);
  box-shadow: var(--shadow-lg), 0 0 25px rgba(57, 124, 199, 0.2);
}

.calc-stat-row {
  display: flex;
  justify-content: space-between;
  padding: 0.85rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.98rem;
}

.calc-stat-row:last-child {
  border-bottom: none;
  padding-top: 1.5rem;
}

.calc-highlight-val {
  font-size: 2rem;
  font-weight: 800;
  color: #4ADE80;
  font-family: var(--font-mono);
}

/* ==========================================================================
   News Cards
   ========================================================================== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2.5rem;
}

.news-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.news-card:hover {
  transform: translateY(-6px);
  border-color: var(--primary-light);
  box-shadow: var(--shadow-xl);
}

.news-img {
  height: 230px;
  width: 100%;
  object-fit: cover;
}

.news-content {
  padding: 2rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.news-date {
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.6rem;
}

.news-title {
  font-size: 1.3rem;
  margin-bottom: 0.85rem;
  line-height: 1.35;
}

.news-excerpt {
  font-size: 0.95rem;
  color: var(--slate-600);
  margin-bottom: 1.75rem;
  flex-grow: 1;
  line-height: 1.6;
}

/* ==========================================================================
   Contact Page & Form
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr;
  gap: 3.5rem;
}

.contact-info-card {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  box-shadow: var(--shadow-sm);
}

.founder-profile {
  display: flex;
  align-items: center;
  gap: 1.35rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--slate-200);
  margin-bottom: 2rem;
}

.founder-avatar {
  width: 82px;
  height: 82px;
  border-radius: 50%;
  object-fit: cover;
  border: 3px solid var(--primary-tint);
  box-shadow: var(--shadow-md);
}

.contact-detail-row {
  display: flex;
  align-items: flex-start;
  gap: 1.1rem;
  margin-bottom: 1.5rem;
  font-size: 1.02rem;
}

.contact-detail-row svg {
  color: var(--primary);
  flex-shrink: 0;
  margin-top: 4px;
}

.contact-form-wrap {
  background: #FFFFFF;
  border: 1px solid var(--border-light);
  border-radius: var(--radius-lg);
  padding: 2.75rem;
  box-shadow: var(--shadow-lg);
}

.form-group {
  margin-bottom: 1.65rem;
}

.form-label {
  display: block;
  font-weight: 700;
  font-size: 0.95rem;
  color: var(--slate-800);
  margin-bottom: 0.5rem;
}

.form-control {
  width: 100%;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--slate-300);
  border-radius: var(--radius-sm);
  font-family: var(--font-sans);
  font-size: 1rem;
  color: var(--slate-800);
  background-color: #FFFFFF;
  transition: var(--transition);
}

.form-control:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px var(--primary-glow);
}

textarea.form-control {
  resize: vertical;
  min-height: 130px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* ==========================================================================
   Footer
   ========================================================================== */
.site-footer {
  background-color: var(--navy-950);
  color: var(--slate-400);
  padding: 5.5rem 0 2.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
  gap: 3.5rem;
  margin-bottom: 3.5rem;
}

.footer-brand img {
  height: 48px;
  width: auto;
  margin-bottom: 1.35rem;
}

.footer-col h4 {
  color: #FFFFFF;
  font-size: 1.1rem;
  margin-bottom: 1.35rem;
  letter-spacing: -0.01em;
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: 0.85rem;
}

.footer-links a {
  color: var(--slate-400);
  font-size: 0.95rem;
}

.footer-links a:hover {
  color: var(--cyan-logo);
  padding-left: 4px;
}

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 2.25rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  font-size: 0.88rem;
}

/* ==========================================================================
   Subpage Hero System
   ========================================================================== */
.hero-subpage {
  background: linear-gradient(135deg, var(--navy-950) 0%, var(--navy-900) 65%, var(--navy-850) 100%);
  color: #FFFFFF;
  padding: 5rem 0 4.25rem;
  position: relative;
  overflow: hidden;
}

.hero-subpage::before {
  content: '';
  position: absolute;
  top: -140px;
  right: -60px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(57, 124, 199, 0.22) 0%, rgba(8, 20, 38, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-subpage::after {
  content: '';
  position: absolute;
  bottom: -120px;
  left: -60px;
  width: 440px;
  height: 440px;
  background: radial-gradient(circle, rgba(169, 222, 230, 0.12) 0%, rgba(8, 20, 38, 0) 70%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-subpage-grid {
  display: grid;
  grid-template-columns: 1.25fr 0.75fr;
  gap: 3.5rem;
  align-items: center;
  position: relative;
  z-index: 2;
}

.hero-subpage-title {
  font-size: clamp(2.2rem, 3.8vw, 3.2rem);
  font-weight: 800;
  line-height: 1.18;
  color: #FFFFFF;
  margin-bottom: 1.25rem;
}

.hero-subpage-title span {
  color: var(--cyan-logo);
  background: linear-gradient(120deg, #FFFFFF 0%, var(--cyan-logo) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-subpage-lead {
  font-size: 1.15rem;
  color: var(--slate-300);
  line-height: 1.65;
  margin-bottom: 2rem;
  max-width: 680px;
}

.hero-subpage-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

/* Two-point Delta Telemetry Card for One Climate */
.delta-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}

.delta-box {
  background: rgba(8, 20, 38, 0.9);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-md);
  padding: 1rem;
}

.delta-box.highlight {
  border-color: rgba(169, 222, 230, 0.4);
  background: rgba(13, 30, 54, 0.95);
}

.delta-tag {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--cyan-logo);
  margin-bottom: 0.35rem;
  display: block;
}

/* Highlight Net Price in EIA Calculator */
.calc-stat-row.net-row {
  margin-top: 0.85rem;
  padding-top: 0.85rem;
  border-top: 1px dashed rgba(255, 255, 255, 0.2);
}

.calc-netto-price {
  font-size: 1.45rem;
  font-weight: 800;
  color: #A9DEE6;
  font-family: var(--font-mono);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 1024px) {
  .hero-grid, .hero-subpage-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }
  .pillar-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .steps-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .feature-row {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
  .feature-row.reversed {
    direction: ltr;
  }
  .news-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .nav-desktop, .header-cta .btn {
    display: none;
  }
  .mobile-nav-toggle {
    display: block;
  }
  .pillar-grid {
    grid-template-columns: 1fr;
  }
  .steps-grid {
    grid-template-columns: 1fr;
  }
  .sim-grid, .calc-grid, .contact-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .ecosystem-grid {
    grid-template-columns: 1fr;
  }
  .ecosystem-pipeline-steps {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }
  .pipeline-arrow {
    transform: rotate(90deg);
    margin-left: 0.5rem;
  }
  .form-row {
    grid-template-columns: 1fr;
  }
  .news-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}