/* ============================================================
   OPTIVOLT 2026 — Design System  (v2 — Sora typografie)
   Premium industrial · Power Quality voor grootverbruikers
   ============================================================ */

@import url('https://fonts.googleapis.com/css2?family=Sora:wght@200;300;400;500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap');

:root {
  /* Palette — Optivolt huisstijl (groen) */
  --ink: #0F2218;            /* warm donker-groen-zwart, niet pure black */
  --slate: #1A3A29;          /* donker groen */
  --slate-2: #2A5239;        /* iets lichter */
  --voltage: #66BC85;        /* Optivolt lichter groen (accent) */
  --voltage-deep: #108D5C;   /* Optivolt primair groen (logo/CTA) */
  --voltage-darker: #0A5C3D; /* hover-state */
  --spark: #F4A019;          /* warmte accent, sparingly */
  --spark-deep: #D4820B;
  --bone: #FAFBF7;           /* warm wit met groen-undertone */
  --bone-2: #F0F4ED;         /* iets warmer voor cards */
  --mist: #D8E2D5;           /* groen-grijze divider */
  --steel: #5B6D63;          /* groen-grijs voor secondary text */
  --steel-2: #8FA197;
  --red: #D44B37;

  /* Typography — Sora primair, Century Gothic als systeem-fallback (Win/Mac) */
  --font-display: 'Sora', 'Century Gothic', 'CenturyGothic', 'AppleGothic', 'URW Gothic L', system-ui, sans-serif;
  --font-sans:    'Sora', 'Century Gothic', 'CenturyGothic', 'AppleGothic', 'URW Gothic L', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;

  /* Spacing */
  --container: 1200px;
  --container-wide: 1400px;
  --gutter: clamp(1.25rem, 3vw, 2.5rem);
  --section-y: clamp(5rem, 10vw, 9rem);

  /* Motion */
  --ease-out: cubic-bezier(.22, 1, .36, 1);
  --ease-in-out: cubic-bezier(.65, 0, .35, 1);
  --ease-spring: cubic-bezier(.34, 1.56, .64, 1);
}

/* ---------- Reset / base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bone);
  font-feature-settings: 'ss01', 'cv11';
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; }

/* ---------- Typography ---------- */
.font-display { font-family: var(--font-display); }
.font-mono { font-family: var(--font-mono); }
/* Accent (was 'italic-serif' in v1 — nu kleur/weight i.p.v. italic, want geometric fonts hebben minder mooie italics) */
.italic-serif {
  font-family: var(--font-display);
  font-style: normal;
  font-weight: 600;
  color: var(--voltage-deep);
}

h1, .h1 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2.75rem, 7.5vw, 6.5rem);
  line-height: 0.98;
  letter-spacing: -0.03em;
  margin: 0;
}
h1 em, .h1 em {
  font-style: normal;
  font-weight: 400;
  color: var(--voltage);
}
h2, .h2 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(2rem, 4.5vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
  margin: 0;
}
h2 em, .h2 em {
  font-style: normal;
  font-weight: 500;
  color: var(--voltage-deep);
}
h3, .h3 {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  margin: 0;
}
h4 { font-family: var(--font-sans); font-weight: 600; font-size: 1.125rem; line-height: 1.3; margin: 0; }
p { margin: 0; }

.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--voltage-deep);
}
.eyebrow-dark { color: var(--voltage); }

/* ---------- Layout ---------- */
.container { max-width: var(--container); margin: 0 auto; padding: 0 var(--gutter); }
.container-wide { max-width: var(--container-wide); margin: 0 auto; padding: 0 var(--gutter); }
.section { padding: var(--section-y) 0; position: relative; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 1.75rem;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: -0.005em;
  border-radius: 999px;
  border: 1px solid transparent;
  transition: all 0.4s var(--ease-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
}
.btn-primary { background: var(--ink); color: var(--bone); }
.btn-primary:hover { background: var(--slate); transform: translateY(-2px); box-shadow: 0 20px 40px -10px rgba(10, 15, 26, 0.4); }
.btn-spark { background: var(--spark); color: var(--ink); }
.btn-spark:hover { background: var(--spark-deep); transform: translateY(-2px); box-shadow: 0 18px 36px -12px rgba(244, 160, 25, 0.55); }
.btn-ghost { border-color: var(--ink); color: var(--ink); background: transparent; }
.btn-ghost:hover { background: var(--ink); color: var(--bone); }
.btn-ghost-light { border-color: rgba(255,255,255,0.4); color: var(--bone); background: transparent; }
.btn-ghost-light:hover { background: var(--bone); color: var(--ink); border-color: var(--bone); }
.btn .arrow {
  width: 1.1em; height: 1.1em;
  transition: transform 0.4s var(--ease-spring);
}
.btn:hover .arrow { transform: translateX(4px); }
.btn-lg { padding: 1.2rem 2.25rem; font-size: 1.05rem; }
.btn-sm { padding: 0.6rem 1.2rem; font-size: 0.85rem; }

/* Magnetic effect */
.btn-magnetic { transition: transform 0.3s var(--ease-spring); }

/* ---------- Header / nav ---------- */
.site-header {
  position: sticky;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 1.1rem 0;
  background: var(--bone);
  color: var(--ink);
  border-bottom: 1px solid var(--mist);
  transition: padding 0.3s var(--ease-out), box-shadow 0.3s var(--ease-out);
}
.site-header.over-light, .site-header.over-dark { color: var(--ink); }
.site-header.scrolled {
  padding: 0.75rem 0;
  box-shadow: 0 4px 24px rgba(15, 34, 24, 0.06);
  background: rgba(250, 251, 247, 0.92);
  backdrop-filter: saturate(180%) blur(14px);
  -webkit-backdrop-filter: saturate(180%) blur(14px);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
}
.brand {
  display: inline-flex;
  align-items: center;
  line-height: 0;
  color: inherit;
}
.brand-img {
  height: 54px;
  width: auto;
  display: block;
  transition: height 0.3s var(--ease-out);
}
.site-header.scrolled .brand-img { height: 44px; }
@media (max-width: 880px) {
  .brand-img { height: 44px; }
  .site-header.scrolled .brand-img { height: 38px; }
}
@media (max-width: 520px) {
  .brand-img { height: 38px; }
  .site-header.scrolled .brand-img { height: 34px; }
}
/* Footer: witte versie van logo voor donker fond */
.footer-brand .brand-img { height: 56px; }
/* Legacy classes */
.brand-mark, .brand-text { display: none; }

.nav-links { display: flex; align-items: center; gap: 2.25rem; }
.nav-links a {
  font-size: 0.92rem;
  font-weight: 500;
  letter-spacing: -0.005em;
  position: relative;
  padding: 0.35rem 0;
  opacity: 0.85;
  transition: opacity 0.3s ease;
}
.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; bottom: 0;
  width: 0; height: 1px;
  background: currentColor;
  transition: width 0.4s var(--ease-out);
}
.nav-links a:hover, .nav-links a.active { opacity: 1; }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-cta { display: flex; align-items: center; gap: 0.75rem; }
.nav-tel {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  opacity: 0.7;
  transition: opacity 0.3s ease;
}
.nav-tel:hover { opacity: 1; }
.nav-toggle {
  display: none;
  width: 44px; height: 44px;
  background: transparent;
  border: 1px solid currentColor;
  border-radius: 50%;
  align-items: center;
  justify-content: center;
  color: inherit;
}
.nav-toggle svg { width: 18px; height: 18px; }

@media (max-width: 980px) {
  .nav-links, .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; }
}

.mobile-menu {
  position: fixed;
  inset: 0;
  background: var(--ink);
  color: var(--bone);
  z-index: 110;
  padding: 6rem 2rem 2rem;
  transform: translateY(-100%);
  transition: transform 0.6s var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: 1rem;
  overflow-y: auto;
}
.mobile-menu.open { transform: translateY(0); }
.mobile-menu a {
  font-family: var(--font-display);
  font-size: 2rem;
  font-weight: 500;
  letter-spacing: -0.02em;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  padding: 1rem 0;
  display: block;
}
.mobile-menu .mobile-close {
  position: absolute;
  top: 1.5rem; right: 1.5rem;
  width: 44px; height: 44px;
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 50%;
  background: transparent;
  color: var(--bone);
  display: grid;
  place-items: center;
}

/* ---------- HERO ---------- */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100svh;
  display: grid;
  align-items: end;
  color: var(--bone);
  overflow: hidden;
  padding-bottom: clamp(3rem, 8vh, 6rem);
}
.hero-bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  overflow: hidden;
}
.hero-bg img {
  width: 100%; height: 100%;
  object-fit: cover;
  /* Ken Burns */
  animation: kenBurns 22s ease-in-out infinite alternate;
  transform-origin: 60% 40%;
}
@keyframes kenBurns {
  0%   { transform: scale(1.08) translate(0, 0); }
  50%  { transform: scale(1.14) translate(-1.5%, 1%); }
  100% { transform: scale(1.18) translate(1%, -1.5%); }
}
.hero-veil {
  position: absolute; inset: 0;
  /* Subtiel — de Optivolt hero-foto heeft al een groene branding-overlay; alleen leesbaarheid borgen voor tekst */
  background:
    linear-gradient(180deg, rgba(15,34,24,0) 0%, rgba(15,34,24,0.0) 35%, rgba(15,34,24,0.55) 78%, rgba(15,34,24,0.85) 100%),
    linear-gradient(95deg,  rgba(15,34,24,0.35) 0%, rgba(15,34,24,0.05) 55%, rgba(15,34,24,0) 100%);
  z-index: -1;
}
.hero-grain {
  position: absolute; inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3CfeColorMatrix values='0 0 0 0 0.98 0 0 0 0 0.97 0 0 0 0 0.95 0 0 0 0.5 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
  opacity: 0.08;
  mix-blend-mode: overlay;
  pointer-events: none;
  z-index: -1;
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--gutter);
  width: 100%;
}
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(250, 248, 243, 0.85);
  padding: 0.55rem 1rem;
  border: 1px solid rgba(250, 248, 243, 0.25);
  border-radius: 999px;
  backdrop-filter: blur(8px);
}
.hero-eyebrow .dot {
  width: 6px; height: 6px;
  background: var(--voltage);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--voltage);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.4; }
}
.hero h1 {
  margin: 1.75rem 0 1.5rem;
  font-size: clamp(2.75rem, 8vw, 7.5rem);
  font-weight: 500;
  letter-spacing: -0.04em;
  max-width: 16ch;
}
.hero h1 em {
  font-style: normal;
  font-weight: 300;
  color: var(--voltage);
  letter-spacing: -0.045em;
}
.hero-sub {
  font-size: clamp(1.1rem, 1.4vw, 1.3rem);
  line-height: 1.5;
  max-width: 42ch;
  color: rgba(250, 248, 243, 0.85);
  margin-bottom: 2.5rem;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 0.85rem; }
.hero-meta {
  position: absolute;
  bottom: clamp(1.5rem, 4vh, 3rem);
  left: var(--gutter);
  right: var(--gutter);
  max-width: calc(var(--container) - var(--gutter) * 2);
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(250, 248, 243, 0.55);
  pointer-events: none;
}
.hero-scrollcue {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  pointer-events: auto;
}
.hero-scrollcue .line {
  width: 1px; height: 36px;
  background: linear-gradient(180deg, rgba(250,248,243,0.55), transparent);
  position: relative;
  overflow: hidden;
}
.hero-scrollcue .line::after {
  content: '';
  position: absolute;
  top: -36px; left: 0;
  width: 100%; height: 36px;
  background: var(--voltage);
  animation: scrollSlide 2.2s ease-in-out infinite;
}
@keyframes scrollSlide {
  0%   { transform: translateY(0); }
  100% { transform: translateY(72px); }
}

/* Voltage waveform at hero bottom */
.hero-wave {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 60px;
  pointer-events: none;
  z-index: 1;
  opacity: 0.4;
}
.hero-wave svg { width: 100%; height: 100%; }
.hero-wave path {
  stroke: var(--voltage);
  stroke-width: 1.2;
  fill: none;
  stroke-dasharray: 1500;
  stroke-dashoffset: 1500;
  animation: drawWave 4s var(--ease-out) 0.5s forwards;
}
@keyframes drawWave { to { stroke-dashoffset: 0; } }

/* ---------- USP Ticker ---------- */
.usp-bar {
  background: var(--ink);
  color: var(--bone);
  padding: 1rem 0;
  overflow: hidden;
  border-top: 1px solid rgba(255,255,255,0.06);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.usp-track {
  display: flex;
  white-space: nowrap;
  animation: marquee 38s linear infinite;
  width: max-content;
}
.usp-track > span {
  margin-right: 3rem;
  display: inline-flex;
  align-items: center;
  gap: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250, 248, 243, 0.7);
}
.usp-track .dot {
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--voltage);
}
.usp-track .dot.spark { background: var(--spark); }
@keyframes marquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

/* ---------- Proof / klantlogo strip ---------- */
.proof {
  padding: 4.5rem 0;
  background: var(--bone);
}
.proof-label {
  text-align: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 2.5rem;
}
.logo-marquee {
  overflow: hidden;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
          mask-image: linear-gradient(90deg, transparent, #000 12%, #000 88%, transparent);
}
.logo-track {
  display: flex;
  align-items: center;
  animation: marquee 32s linear infinite;
  width: max-content;
}
.logo-track:hover { animation-play-state: paused; }
.logo-track img {
  margin-right: 4.5rem;
  height: 44px;
  width: auto;
  opacity: 0.92;
  transition: opacity 0.3s var(--ease-out), transform 0.4s var(--ease-out);
  flex-shrink: 0;
}
.logo-track img:hover { opacity: 1; transform: scale(1.05); }

/* ---------- Statement / oversized type ---------- */
.statement {
  padding: clamp(6rem, 12vw, 10rem) 0;
  background: var(--bone);
  color: var(--ink);
}
.statement-text {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2rem, 5vw, 4.75rem);
  line-height: 1.06;
  letter-spacing: -0.03em;
  max-width: 22ch;
}
.statement-text em {
  font-style: normal;
  font-weight: 400;
  color: var(--voltage-deep);
}
.statement-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2rem;
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--mist);
  max-width: 720px;
}
.statement-meta p { font-size: 1.05rem; line-height: 1.6; color: var(--ink); opacity: 0.85; }
@media (max-width: 720px) { .statement-meta { grid-template-columns: 1fr; } }

/* ---------- Two-panel: probleem vs antwoord ---------- */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  min-height: 70vh;
}
@media (max-width: 880px) { .split { grid-template-columns: 1fr; } }
.split-side {
  padding: clamp(3rem, 7vw, 6rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 1.5rem;
}
.split-dark {
  background: var(--ink);
  color: var(--bone);
  position: relative;
}
.split-dark::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, transparent, transparent 49px, rgba(255,255,255,0.025) 49px, rgba(255,255,255,0.025) 50px),
    repeating-linear-gradient(90deg, transparent, transparent 49px, rgba(255,255,255,0.025) 49px, rgba(255,255,255,0.025) 50px);
  pointer-events: none;
}
.split-light { background: var(--bone-2); color: var(--ink); }
.problem-list, .answer-list {
  list-style: none;
  padding: 0; margin: 0;
  display: grid;
  gap: 1rem;
}
.problem-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 1.1rem;
  line-height: 1.45;
  position: relative;
  z-index: 1;
}
.problem-list li::before {
  content: '';
  width: 22px; height: 22px;
  flex-shrink: 0;
  margin-top: 4px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%23D44B37' stroke-width='2'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M12 9v2m0 4h.01M5.07 19h13.86c1.54 0 2.5-1.67 1.73-3L13.73 4c-.77-1.33-2.69-1.33-3.46 0L3.34 16c-.77 1.33.19 3 1.73 3z'/%3E%3C/svg%3E") center/contain no-repeat;
}
.answer-list li {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  font-size: 1.1rem;
  line-height: 1.45;
}
.answer-list li::before {
  content: '';
  width: 22px; height: 22px;
  flex-shrink: 0;
  margin-top: 4px;
  background: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='%230D8B8B' stroke-width='2.5'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M5 13l4 4L19 7'/%3E%3C/svg%3E") center/contain no-repeat;
}

/* ---------- Vier elementen grid ---------- */
.elements {
  background: var(--bone);
  padding: var(--section-y) 0;
}
.elements-head {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  margin-bottom: 5rem;
}
@media (max-width: 880px) { .elements-head { grid-template-columns: 1fr; gap: 1.5rem; margin-bottom: 3rem; } }
.elements-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
@media (max-width: 720px) { .elements-grid { grid-template-columns: 1fr; } }
.element-card {
  background: var(--bone-2);
  padding: 2.5rem;
  border-radius: 2rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.6s var(--ease-out), background 0.6s var(--ease-out);
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  min-height: 320px;
}
.element-card:hover {
  background: var(--ink);
  color: var(--bone);
  transform: translateY(-4px);
}
.element-card:hover .el-num { color: var(--voltage); }
.element-card:hover .el-icon { color: var(--voltage); }
.el-num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.18em;
  color: var(--voltage-deep);
  transition: color 0.4s var(--ease-out);
}
.el-icon {
  width: 56px; height: 56px;
  color: var(--ink);
  transition: color 0.4s var(--ease-out);
}
.element-card h3 {
  font-size: clamp(1.5rem, 2.5vw, 2rem);
}
.element-card p { line-height: 1.55; opacity: 0.85; }
.element-card .el-solution {
  margin-top: auto;
  padding-top: 1rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  opacity: 0.7;
}

/* ---------- Stats counter ---------- */
.stats-section {
  background: var(--ink);
  color: var(--bone);
  padding: clamp(5rem, 9vw, 8rem) 0;
  position: relative;
  overflow: hidden;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 80% 0%, rgba(102, 188, 133, 0.18), transparent 50%);
  pointer-events: none;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
  position: relative;
  z-index: 1;
}
@media (max-width: 880px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 3rem 2rem; } }
.stat-block { border-left: 1px solid rgba(255,255,255,0.15); padding-left: 1.5rem; }
.stat-num {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(2.75rem, 6vw, 5rem);
  line-height: 1;
  letter-spacing: -0.04em;
  margin-bottom: 0.5rem;
  display: flex;
  align-items: baseline;
  gap: 0.15em;
}
.stat-num em { font-style: normal; color: var(--voltage); font-weight: 300; }
.stat-num .suffix {
  font-family: var(--font-mono);
  font-size: 0.4em;
  font-weight: 400;
  letter-spacing: 0.05em;
  color: var(--voltage);
}
.stat-label {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(250, 248, 243, 0.6);
}

/* ---------- Systems carousel ---------- */
.systems {
  background: var(--bone);
  padding: var(--section-y) 0 0;
  overflow: hidden;
}
.systems-intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: end;
  margin-bottom: 4rem;
}
@media (max-width: 880px) { .systems-intro { grid-template-columns: 1fr; } }
.systems-track {
  display: flex;
  gap: 1.5rem;
  padding: 0 var(--gutter) var(--section-y);
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}
.systems-track::-webkit-scrollbar { display: none; }
.system-card {
  flex: 0 0 min(420px, 80vw);
  scroll-snap-align: start;
  background: var(--bone-2);
  border-radius: 2rem;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.5s var(--ease-out);
}
.system-card:hover { transform: translateY(-6px); }
.system-img {
  aspect-ratio: 4/3;
  background: var(--mist);
  overflow: hidden;
  position: relative;
}
.system-img img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.2s var(--ease-out);
}
.system-card:hover .system-img img { transform: scale(1.06); }
.system-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(10,15,26,0.4) 100%);
}
.system-body { padding: 2rem; display: flex; flex-direction: column; gap: 0.75rem; flex: 1; }
.system-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--voltage-deep);
}
.system-card h3 { font-size: 1.85rem; }
.system-body p { line-height: 1.55; flex: 1; color: var(--ink); opacity: 0.78; }
.system-body .more {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--ink);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin-top: 0.5rem;
}

/* ---------- Process timeline ---------- */
.process {
  background: var(--bone-2);
  padding: var(--section-y) 0;
}
.process-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 4rem;
}
@media (max-width: 880px) { .process-grid { grid-template-columns: 1fr; gap: 3rem; } }
.process-steps {
  list-style: none;
  padding: 0; margin: 0;
  position: relative;
}
.process-steps::before {
  content: '';
  position: absolute;
  left: 22px; top: 0;
  width: 1px; height: 100%;
  background: linear-gradient(180deg, var(--voltage) 0%, var(--voltage) var(--progress, 0%), var(--mist) var(--progress, 0%));
  transition: --progress 1.5s var(--ease-out);
}
.process-step {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 1.5rem;
  padding: 2rem 0;
  border-bottom: 1px solid var(--mist);
}
.process-step:last-child { border-bottom: 0; }
.step-num {
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bone);
  border: 1px solid var(--mist);
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 500;
  position: relative;
  z-index: 1;
}
.step-content h4 { font-size: 1.35rem; font-family: var(--font-display); font-weight: 600; margin-bottom: 0.5rem; }
.step-content p { line-height: 1.55; color: var(--ink); opacity: 0.78; }

/* ---------- Cases / sectoren ---------- */
.cases {
  background: var(--bone);
  padding: var(--section-y) 0;
}
.case-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
  margin-top: 3.5rem;
}
@media (max-width: 880px) { .case-grid { grid-template-columns: 1fr; } }
.case-card {
  background: var(--bone-2);
  border-radius: 1.5rem;
  padding: 2.25rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  position: relative;
  overflow: hidden;
  transition: transform 0.5s var(--ease-out);
}
.case-card:hover { transform: translateY(-4px); }
.case-card::after {
  content: '';
  position: absolute;
  inset: auto -30% -50% auto;
  width: 200px; height: 200px;
  background: radial-gradient(circle, rgba(102, 188, 133, 0.22), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
  transition: transform 0.6s var(--ease-out);
}
.case-card:hover::after { transform: translate(-20%, -20%) scale(1.3); }
.case-logo { height: 36px; margin-bottom: 1rem; }
.case-logo img { height: 100%; width: auto; object-fit: contain; opacity: 0.95; }
.case-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 4.5vw, 3.75rem);
  font-weight: 500;
  line-height: 1;
  letter-spacing: -0.03em;
  margin: 0.5rem 0;
}
.case-num em { font-style: normal; color: var(--voltage-deep); font-weight: 500; }
.case-card p { line-height: 1.5; color: var(--ink); opacity: 0.78; font-size: 0.95rem; }
.case-meta {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  opacity: 0.6;
  margin-top: auto;
  padding-top: 1rem;
}

/* Sectoren */
.sectors {
  background: var(--bone-2);
  padding: var(--section-y) 0;
}
.sector-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1px;
  background: var(--mist);
  border: 1px solid var(--mist);
  border-radius: 1rem;
  overflow: hidden;
  margin-top: 3rem;
}
.sector-cell {
  background: var(--bone);
  padding: 2rem 1.75rem;
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 1.05rem;
  font-weight: 500;
  transition: background 0.4s var(--ease-out), color 0.4s var(--ease-out);
}
.sector-cell:hover { background: var(--ink); color: var(--bone); }
.sector-cell svg { width: 24px; height: 24px; opacity: 0.7; flex-shrink: 0; }
.sector-cell:hover svg { color: var(--voltage); opacity: 1; }

/* ---------- Testimonial ---------- */
.testimonial {
  background: var(--bone);
  padding: var(--section-y) 0;
}
.test-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
@media (max-width: 880px) { .test-grid { grid-template-columns: 1fr; } }
.test-image {
  border-radius: 1.5rem;
  overflow: hidden;
  aspect-ratio: 4/5;
  position: relative;
}
.test-image img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 1.5s var(--ease-out);
}
.test-image:hover img { transform: scale(1.04); }
.test-quote { display: flex; flex-direction: column; gap: 2rem; }
.test-quote blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.3rem);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.02em;
  margin: 0;
}
.test-quote blockquote::before {
  content: '"';
  font-family: var(--font-display);
  font-size: 4rem;
  line-height: 0.4;
  color: var(--voltage-deep);
  font-weight: 600;
  display: block;
  margin-bottom: 1rem;
}
.test-author {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--mist);
}
.test-author-name {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
}
.test-author-role {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--steel);
  margin-top: 0.2rem;
}

/* ---------- Guarantee banner ---------- */
.guarantee {
  background: var(--voltage);
  color: var(--ink);
  padding: clamp(4rem, 7vw, 6rem) 0;
  position: relative;
  overflow: hidden;
}
.guarantee::before {
  content: 'NO CURE · NO PAY · NO CURE · NO PAY · NO CURE · NO PAY · ';
  position: absolute;
  top: 0; left: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  letter-spacing: 0.5em;
  white-space: nowrap;
  color: rgba(10, 15, 26, 0.08);
  padding: 0.5rem 0;
  animation: marquee 60s linear infinite;
}
.guarantee-inner {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 3rem;
  align-items: center;
  position: relative;
}
@media (max-width: 720px) { .guarantee-inner { grid-template-columns: 1fr; } }
.guarantee h2 {
  font-size: clamp(2rem, 4vw, 3.5rem);
  max-width: 18ch;
}
.guarantee h2 em { font-style: normal; color: var(--slate); font-weight: 400; }
.guarantee p { font-size: 1.15rem; max-width: 38ch; margin-top: 1.25rem; line-height: 1.5; opacity: 0.85; }

/* ---------- Final CTA ---------- */
.cta-final {
  background: var(--ink);
  color: var(--bone);
  padding: clamp(6rem, 11vw, 10rem) 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-final::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at 50% 0%, rgba(244, 160, 25, 0.12), transparent 50%),
    radial-gradient(ellipse at 50% 100%, rgba(102, 188, 133, 0.16), transparent 50%);
  pointer-events: none;
}
.cta-final h2 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  max-width: 18ch;
  margin: 0 auto 1.5rem;
  position: relative;
  z-index: 1;
}
.cta-final h2 em { font-style: normal; color: var(--voltage); font-weight: 300; }
.cta-final p {
  font-size: 1.2rem;
  max-width: 48ch;
  margin: 0 auto 3rem;
  opacity: 0.75;
  line-height: 1.55;
  position: relative;
  z-index: 1;
}
.cta-final .hero-actions { justify-content: center; position: relative; z-index: 1; }

/* ---------- Footer ---------- */
.site-footer {
  background: var(--ink);
  color: rgba(250, 248, 243, 0.7);
  padding: 5rem 0 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.06);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 4rem;
}
@media (max-width: 880px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 2.5rem; } }
@media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-brand { display: flex; flex-direction: column; gap: 1.25rem; max-width: 36ch; }
.footer-brand p { line-height: 1.55; font-size: 0.95rem; }
.footer-col h5 {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 500;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(250, 248, 243, 0.5);
  margin: 0 0 1.5rem;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; display: grid; gap: 0.85rem; }
.footer-col a {
  font-size: 0.95rem;
  transition: color 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.footer-col a:hover { color: var(--voltage); }
.footer-bottom {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
  padding-top: 2.5rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(250, 248, 243, 0.4);
}
.footer-bottom a:hover { color: var(--voltage); }

/* ---------- Reveal animations ---------- */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.9s var(--ease-out), transform 0.9s var(--ease-out);
}
.reveal.in { opacity: 1; transform: none; }
.reveal-stagger > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.8s var(--ease-out), transform 0.8s var(--ease-out);
}
.reveal-stagger.in > * { opacity: 1; transform: none; }
.reveal-stagger.in > *:nth-child(1) { transition-delay: 0.05s; }
.reveal-stagger.in > *:nth-child(2) { transition-delay: 0.15s; }
.reveal-stagger.in > *:nth-child(3) { transition-delay: 0.25s; }
.reveal-stagger.in > *:nth-child(4) { transition-delay: 0.35s; }
.reveal-stagger.in > *:nth-child(5) { transition-delay: 0.45s; }
.reveal-stagger.in > *:nth-child(6) { transition-delay: 0.55s; }
.reveal-stagger.in > *:nth-child(7) { transition-delay: 0.65s; }

/* Word-by-word reveal */
.reveal-words .word {
  display: inline-block;
  opacity: 0;
  transform: translateY(0.5em);
  transition: opacity 0.7s var(--ease-out), transform 0.7s var(--ease-out);
}
.reveal-words.in .word { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  .reveal, .reveal-stagger > *, .reveal-words .word { opacity: 1; transform: none; }
  .hero-bg img { animation: none; }
}

/* Utility */
.text-center { text-align: center; }
.flex-center { display: flex; align-items: center; justify-content: center; }

/* ============================================================
   SUB-PAGE COMPONENTEN
   ============================================================ */

/* ---------- Page hero (compact, geen Ken Burns) ---------- */
.page-hero {
  background: var(--bone);
  padding: clamp(4rem, 7vw, 6rem) 0 clamp(3rem, 5vw, 4.5rem);
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--mist);
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 92% 12%, rgba(102, 188, 133, 0.16), transparent 40%),
    radial-gradient(circle at 6% 92%, rgba(102, 188, 133, 0.08), transparent 45%);
  pointer-events: none;
}
.page-hero-inner {
  position: relative;
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 5vw, 5rem);
  align-items: end;
}
@media (max-width: 880px) {
  .page-hero-inner { grid-template-columns: 1fr; gap: 2rem; }
}
.page-hero h1 {
  font-size: clamp(2.5rem, 6vw, 5rem);
  font-weight: 500;
  letter-spacing: -0.035em;
  line-height: 1.02;
  margin-top: 1.25rem;
  max-width: 18ch;
}
.page-hero h1 em {
  font-style: normal;
  font-weight: 400;
  color: var(--voltage-deep);
}
.page-hero-sub {
  font-size: clamp(1.05rem, 1.3vw, 1.25rem);
  line-height: 1.55;
  color: var(--steel);
  max-width: 48ch;
  margin-top: 1.5rem;
}
.page-hero-img {
  border-radius: 1.5rem;
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: 0 30px 60px -20px rgba(15, 34, 24, 0.18);
}
.page-hero-img img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Breadcrumb chip ---------- */
.crumbs {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}
.crumbs a:hover { color: var(--voltage-deep); }
.crumbs .sep { opacity: 0.5; }

/* ---------- Prose blocks (sub-page readable text) ---------- */
.prose {
  max-width: 70ch;
  font-size: 1.05rem;
  line-height: 1.65;
  color: var(--ink);
}
.prose > * + * { margin-top: 1.5em; }
.prose h2 { margin-top: 2.5em; font-size: clamp(1.6rem, 2.5vw, 2.25rem); }
.prose h3 { margin-top: 2em; font-size: 1.45rem; font-weight: 600; }
.prose ul, .prose ol { padding-left: 1.5em; }
.prose li + li { margin-top: 0.5em; }
.prose strong { color: var(--voltage-deep); font-weight: 600; }
.prose a { color: var(--voltage-deep); text-decoration: underline; text-decoration-thickness: 1px; text-underline-offset: 3px; }
.prose a:hover { color: var(--voltage-darker); }
.prose blockquote {
  border-left: 3px solid var(--voltage);
  padding-left: 1.5rem;
  font-style: normal;
  color: var(--ink);
  font-family: var(--font-display);
  font-size: 1.35rem;
  line-height: 1.4;
  font-weight: 500;
}

/* ---------- Two-col text + visual ---------- */
.split-text-image {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.split-text-image.reverse { direction: rtl; }
.split-text-image.reverse > * { direction: ltr; }
@media (max-width: 880px) {
  .split-text-image, .split-text-image.reverse { grid-template-columns: 1fr; direction: ltr; }
}
.split-text-image .visual {
  border-radius: 1.5rem;
  overflow: hidden;
  aspect-ratio: 4/3;
  box-shadow: 0 30px 60px -20px rgba(15, 34, 24, 0.18);
}
.split-text-image .visual img { width: 100%; height: 100%; object-fit: cover; }

/* ---------- Spec list (productspec key/value) ---------- */
.spec-list {
  list-style: none;
  padding: 0; margin: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--mist);
}
.spec-list li {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 1rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--mist);
  font-size: 0.95rem;
}
.spec-list .label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--steel);
  padding-top: 0.15em;
}
.spec-list .value { color: var(--ink); }

/* ---------- Vacancy card ---------- */
.vacancy {
  background: var(--bone-2);
  border-radius: 1.5rem;
  padding: clamp(2rem, 3vw, 2.5rem);
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2rem;
  align-items: start;
  transition: transform 0.4s var(--ease-out);
}
.vacancy:hover { transform: translateY(-4px); }
.vacancy h3 { margin-bottom: 0.5rem; }
.vacancy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
  margin: 0.75rem 0 1.25rem;
}
.vacancy-meta strong { color: var(--ink); font-weight: 500; }
.vacancy p { line-height: 1.6; color: var(--ink); opacity: 0.85; }
@media (max-width: 720px) {
  .vacancy { grid-template-columns: 1fr; }
}

/* ---------- Contact form ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
}
@media (max-width: 880px) { .contact-grid { grid-template-columns: 1fr; } }
.form-field { display: grid; gap: 0.4rem; margin-bottom: 1.25rem; }
.form-field label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--steel);
}
.form-field input, .form-field textarea {
  font: inherit;
  font-size: 1rem;
  padding: 0.9rem 1rem;
  border: 1px solid var(--mist);
  border-radius: 0.65rem;
  background: var(--bone);
  color: var(--ink);
  transition: border-color 0.3s, background 0.3s;
}
.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--voltage-deep);
  background: #fff;
}
.form-field textarea { min-height: 140px; resize: vertical; line-height: 1.5; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
@media (max-width: 520px) { .form-row { grid-template-columns: 1fr; } }
.form-success {
  background: var(--voltage);
  color: var(--ink);
  padding: 1rem 1.25rem;
  border-radius: 0.75rem;
  font-weight: 500;
  display: none;
}
.form-success.show { display: block; }

.info-card {
  background: var(--ink);
  color: var(--bone);
  border-radius: 1.25rem;
  padding: clamp(2rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}
.info-card h3 { color: var(--bone); }
.info-card .info-block { padding-top: 1.25rem; border-top: 1px solid rgba(255,255,255,0.1); }
.info-card .info-block:first-of-type { border-top: 0; padding-top: 0; }
.info-card .info-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(250, 251, 247, 0.5);
  margin-bottom: 0.5rem;
}
.info-card a { color: var(--voltage); transition: color 0.3s; }
.info-card a:hover { color: var(--bone); }

/* ---------- Compliance callout (energie-audit) ---------- */
.callout {
  background: var(--bone-2);
  border-left: 4px solid var(--voltage-deep);
  padding: 1.5rem 1.75rem;
  border-radius: 0 0.75rem 0.75rem 0;
  margin: 2rem 0;
}
.callout-title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--voltage-deep);
  margin-bottom: 0.5rem;
}
.callout p { font-size: 1rem; line-height: 1.6; margin: 0; }