:root {
  --bg-main: #05070b;
  --bg-card: #11141c;
  --bg-card-soft: #151923;
  --accent: #ee5b44;
  --accent-soft: #f3724c;
  --text-main: #f9f7f4;
  --text-muted: #a6adbb;
  --border-subtle: #272b35;
  --radius-lg: 22px;
  --radius-md: 16px;
  --radius-sm: 12px;
  --shadow-soft: 0 18px 45px rgba(0,0,0,0.55);
  --shadow-subtle: 0 10px 30px rgba(0,0,0,0.4);
  --grid-size: 32px;
  --max-width: 1200px;
  --transition-fast: 180ms ease-out;
}

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

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg-main);
  color: var(--text-main);
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "SF Pro Text",
    "Segoe UI", sans-serif;
}

body {
  line-height: 1.5;
}

/* Subtiele grid-achtergrond */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background:
    linear-gradient(to right, rgba(255,255,255,0.02) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.02) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  opacity: 0.9;
  pointer-events: none;
  z-index: -1;
}

/* Vast logo linksboven */
.site-header {
  position: fixed;
  top: 16px;
  left: 24px;
  z-index: 20;
}

.site-header-inner {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 12px 6px 8px;
  backdrop-filter: blur(10px);
  background: linear-gradient(135deg, rgba(7,10,16,0.9), rgba(7,10,16,0.7));
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.06);
}

.logo {
  height: 26px;
  width: auto;
  display: block;
}

.brand-tagline {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #ffffff;
}

/* Slides */
main {
  padding: 72px 16px 64px;
}

.slide {
  min-height: 100vh;
  max-width: 100vw;
  display: flex;
  align-items: center;
  justify-content: center;
}

.slide-inner {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
}

.slide-inner--two-cols {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
  gap: 48px;
  align-items: center;
}

.slide-inner--overlay {
  position: relative;
}

.slide-inner--overlay::before {
  content: "";
  position: absolute;
  inset: -24px;
  background: radial-gradient(circle at 0% -20%, rgba(238,91,68,0.4), transparent 55%),
              radial-gradient(circle at 90% 120%, rgba(238,91,68,0.4), transparent 55%);
  opacity: 0.5;
  z-index: -1;
}

/* Typografie */
.eyebrow {
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--accent-soft);
  margin-bottom: 12px;
}

.title-xl {
  font-size: clamp(40px, 4.5vw, 70px);
  line-height: 1.06;
  margin: 0 0 20px;
}

.title-lg {
  font-size: clamp(28px, 3vw, 50px);
  line-height: 1.15;
  margin: 0 0 12px;
}

.subtitle {
  font-size: 26px;
  color: var(--text-muted);
  margin: 0;
}

.presenter {
  font-size: 18px;
  margin-top: 36px;
  color: var(--text-muted);
}

.slide-header {
  margin-bottom: 32px;
}

/* Kolommen */
.slide-col-text {
  max-width: 540px;
}

/* Afbeeldingen */
.image-frame {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #000;
  box-shadow: var(--shadow-soft);
}

.image-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.image-frame--cover {
  max-height: 660px;
}

.image-frame--tall {
  max-height: 660px;
}

/* Slide 2 – vier kaarten */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: 24px;
}

.image-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.image-card-text {
  font-size: 18px;
  color: var(--text-muted);
}

/* Slide 3 – oplossing */
.slide-solution .slide-col-text {
  align-self: flex-start;
}

.solution-card {
  background: radial-gradient(circle at 0% 0%, #161b24, #0b0e15);
  border-radius: 30px;
  padding: 26px 28px 20px;
  box-shadow: var(--shadow-soft);
  border: 1px solid rgba(255,255,255,0.04);
}

.solution-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: 18px 24px;
  margin-bottom: 18px;
}

.solution-item {
  padding-right: 12px;
}

.solution-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: var(--text-muted);
  margin-bottom: 6px;
}

.solution-title {
  font-size: 14px;
}

.accent {
  color: var(--accent);
}

.solution-footer {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 12px;
  font-size: 13px;
  color: var(--text-muted);
}

/* Slide 4 & 6 – stacked lists */
.stacked-list {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.stacked-item {
  display: flex;
  gap: 14px;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 14px 16px;
  border: 1px solid rgba(255,255,255,0.04);
  box-shadow: var(--shadow-subtle);
}

.stacked-icon {
  font-size: 25px;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #181d27;
}

.stacked-icon--circle {
  border-radius: 999px;
  background: #181d27;
}

.stacked-content {
  font-size: 14px;
}

.stacked-title {
  font-weight: 600;
  margin-bottom: 3px;
}

.stacked-sub {
  color: var(--text-muted);
  font-size: 13px;
}

/* Slide 5 – pill list */
.pill-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.pill {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border-radius: 999px;
  padding: 10px 16px;
  border: 1px solid rgba(255,255,255,0.05);
  font-size: 14px;
  box-shadow: var(--shadow-subtle);
}

.pill-index {
  width: 24px;
  height: 24px;
  border-radius: 999px;
  border: 1px solid rgba(255,255,255,0.2);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  color: var(--text-muted);
}

/* Slide 7 – Investment cards */
.investment-row {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: 18px;
  margin-top: 24px;
}

.investment-card {
  background: radial-gradient(circle at 0% 0%, rgba(238,91,68,0.12), transparent 55%),
              #11141c;
  border-radius: var(--radius-lg);
  padding: 16px 18px 18px;
  border: 1px solid rgba(238,91,68,0.35);
  box-shadow: var(--shadow-subtle);
}

.investment-card h3 {
  font-size: 20px;
  margin: 0 0 6px;
}

.investment-card p {
  font-size: 18px;
  color: var(--text-muted);
  margin: 0;
}

/* Slide 8 – Step cards */
.step-cards {
  display: grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap: 16px;
  margin-top: 24px;
}

.step-card {
  background: #11141c;
  border-radius: 24px;
  padding: 18px 16px 18px;
  border: 1px solid rgba(255,255,255,0.04);
  box-shadow: var(--shadow-subtle);
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.step-icon {
  width: 32px;
  height: 32px;
  border-radius: 12px;
  border: 1px solid rgba(255,255,255,0.26);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  margin-bottom: 6px;
}

.step-card h3 {
  font-size: 19px;
  margin: 0;
}

.step-card p {
  font-size: 18px;
  color: var(--text-muted);
  margin: 0;
}

/* PDF button */
.pdf-button {
  position: fixed;
  right: 24px;
  bottom: 22px;
  z-index: 30;
  padding: 9px 16px;
  border-radius: 999px;
  border: none;
  background: var(--accent);
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  cursor: pointer;
  box-shadow: 0 12px 30px rgba(0,0,0,0.5);
}

.pdf-button:hover {
  background: var(--accent-soft);
}

/* Responsive */
@media (max-width: 1024px) {
  .slide-inner--two-cols {
    grid-template-columns: minmax(0,1fr);
    gap: 32px;
  }
  .slide-col-image {
    order: -1;
  }
  .cards-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
  .investment-row {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
  .step-cards {
    grid-template-columns: repeat(3, minmax(0,1fr));
  }
}

@media (max-width: 720px) {
  main {
    padding: 72px 14px 70px;
  }
  .slide {
    min-height: auto;
    padding: 40px 0 32px;
  }
  .slide-inner--two-cols {
    gap: 24px;
  }
  .image-frame--cover,
  .image-frame--tall {
    max-height: none;
  }
  .cards-grid {
    grid-template-columns: minmax(0,1fr);
  }
  .investment-row {
    grid-template-columns: minmax(0,1fr);
  }
  .step-cards {
    grid-template-columns: minmax(0,1fr);
  }
  .site-header {
    left: 12px;
    top: 10px;
  }
  .pdf-button {
    right: 14px;
    bottom: 16px;
  }
}

/* Print-friendly (voor PDF export) */
@media print {
  body {
    background: #000;
  }
  body::before,
  .pdf-button,
  .site-header-inner {
    display: none !important;
  }
  .slide {
    page-break-after: always;
    min-height: auto;
  }
}