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

html { scroll-behavior: smooth; }

body {
  font-family: 'IBM Plex Sans', sans-serif;
  background: var(--md-sys-color-background);
  color: var(--md-sys-color-on-background);
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

main { flex: 1; }

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

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

/* ── Typography helpers ── */
.display-large {
  font-family: var(--md-sys-typescale-display-large-font);
  font-size: var(--md-sys-typescale-display-large-size);
  line-height: var(--md-sys-typescale-display-large-line-height);
  font-weight: var(--md-sys-typescale-display-large-weight);
  letter-spacing: -0.5px;
  text-wrap: balance;
}
.headline-large {
  font-family: var(--md-sys-typescale-display-large-font);
  font-size: var(--md-sys-typescale-headline-large-size);
  line-height: var(--md-sys-typescale-headline-large-line-height);
  font-weight: var(--md-sys-typescale-headline-large-weight);
  text-wrap: balance;
}
.headline-medium {
  font-family: var(--md-sys-typescale-display-large-font);
  font-size: var(--md-sys-typescale-headline-medium-size);
  line-height: var(--md-sys-typescale-headline-medium-line-height);
  font-weight: 600;
}
.title-large {
  font-size: var(--md-sys-typescale-title-large-size);
  line-height: var(--md-sys-typescale-title-large-line-height);
  font-weight: var(--md-sys-typescale-title-large-weight);
}
.title-medium {
  font-size: var(--md-sys-typescale-title-medium-size);
  line-height: var(--md-sys-typescale-title-medium-line-height);
  font-weight: var(--md-sys-typescale-title-medium-weight);
}
.label-large {
  font-size: var(--md-sys-typescale-label-large-size);
  line-height: var(--md-sys-typescale-label-large-line-height);
  font-weight: var(--md-sys-typescale-label-large-weight);
  letter-spacing: 0.1px;
}
.label-medium {
  font-size: var(--md-sys-typescale-label-medium-size);
  line-height: var(--md-sys-typescale-label-medium-line-height);
  font-weight: var(--md-sys-typescale-label-medium-weight);
  letter-spacing: 0.5px;
}
.body-large {
  font-size: var(--md-sys-typescale-body-large-size);
  line-height: var(--md-sys-typescale-body-large-line-height);
  font-weight: var(--md-sys-typescale-body-large-weight);
}
.body-medium {
  font-size: var(--md-sys-typescale-body-medium-size);
  line-height: var(--md-sys-typescale-body-medium-line-height);
  font-weight: var(--md-sys-typescale-body-medium-weight);
}

/* ── Eyebrow (small-caps label above a heading) ── */
.eyebrow {
  display: block;
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: 700;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--md-sys-color-secondary);
  margin-bottom: 8px;
}

/* ── Top App Bar ── */
.top-app-bar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--md-sys-color-surface-container-lowest);
  border-bottom: 1px solid var(--md-sys-color-outline-variant);
}
.top-app-bar__inner {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.wordmark {
  font-family: 'Bitter', serif;
  font-size: 24px;
  font-weight: 400;
  color: var(--md-sys-color-on-surface);
  letter-spacing: 0.5px;
  transition: color var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
}
.wordmark:hover,
a.wordmark:hover {
  color: var(--md-sys-color-primary);
}
.wordmark__period {
  color: var(--md-sys-color-primary);
  transition: color var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
}
.nav { display: flex; gap: 8px; }
.nav__link {
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  color: var(--md-sys-color-on-surface-variant);
  padding: 8px 16px;
  border-radius: var(--md-sys-shape-corner-full);
  transition: background var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard),
              color var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
}
.nav__link:hover,
.nav__link--active {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--md-sys-shape-corner-full);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
  font-family: inherit;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: box-shadow var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard),
              background var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard),
              transform var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
}
.btn--filled {
  background: var(--md-sys-color-primary);
  color: var(--md-sys-color-on-primary);
}
.btn--filled:hover {
  box-shadow: 0 1px 3px rgba(0,0,0,.2), 0 2px 6px rgba(0,0,0,.15);
  background: color-mix(in srgb, var(--md-sys-color-on-primary) 10%, var(--md-sys-color-primary));
  transform: translateY(-1px);
}
.btn--tonal {
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
}
.btn--tonal:hover {
  box-shadow: 0 1px 3px rgba(0,0,0,.15);
  background: color-mix(in srgb, var(--md-sys-color-on-secondary-container) 8%, var(--md-sys-color-secondary-container));
  transform: translateY(-1px);
}
.btn--outlined {
  background: transparent;
  color: var(--md-sys-color-on-surface);
  border: 1px solid var(--md-sys-color-outline);
}
.btn--outlined:hover {
  background: var(--md-sys-color-surface-container);
}

/* ── Service cards (icon badge + title + body + link) ── */
.service-card {
  background: var(--md-sys-color-surface-container-lowest);
  border: 1px solid var(--md-sys-color-outline-variant);
  border-radius: var(--md-sys-shape-corner-large);
  padding: 28px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: box-shadow var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard),
              transform var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
}
.service-card:hover {
  box-shadow: 0 2px 8px rgba(0,0,0,.06), 0 8px 24px rgba(0,0,0,.06);
  transform: translateY(-2px);
}
.service-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--md-sys-shape-corner-medium);
  background: var(--md-sys-color-secondary-container);
  color: var(--md-sys-color-on-secondary-container);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.service-card__icon svg { width: 24px; height: 24px; }
.service-card__title { font-weight: 600; }
.service-card__body { color: var(--md-sys-color-on-surface-variant); flex: 1; }
.service-card__meta {
  color: var(--md-sys-color-on-surface-variant);
  font-size: var(--md-sys-typescale-label-large-size);
}
.service-card__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  color: var(--md-sys-color-primary);
  margin-top: 4px;
}
.service-card__link svg {
  width: 16px; height: 16px;
  transition: transform var(--md-sys-motion-duration-medium1) var(--md-sys-motion-easing-standard);
}
.service-card__link:hover svg { transform: translateX(3px); }

/* -- Status chips (semantic - success/warning/info/neutral) -- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: var(--md-sys-shape-corner-small);
  font-size: var(--md-sys-typescale-label-large-size);
  font-weight: var(--md-sys-typescale-label-large-weight);
}
.chip--neutral {
  background: var(--md-sys-color-surface-container-high);
  color: var(--md-sys-color-on-surface-variant);
}
.chip--success {
  background: var(--md-sys-color-success-container);
  color: var(--md-sys-color-on-success-container);
}
.chip--warning {
  background: var(--md-sys-color-warning-container);
  color: var(--md-sys-color-on-warning-container);
}
.chip--info {
  background: var(--md-sys-color-primary-container);
  color: var(--md-sys-color-on-primary-container);
}

/* ── Callout (KLM-style inline status card with a coloured accent edge) ── */
.callout {
  border-left: 4px solid var(--md-sys-color-outline);
  background: var(--md-sys-color-surface-container-low);
  border-radius: var(--md-sys-shape-corner-medium);
  padding: 16px 20px;
}
.callout--success { border-left-color: var(--md-sys-color-success); background: var(--md-sys-color-success-container); color: var(--md-sys-color-on-success-container); }
.callout--warning { border-left-color: var(--md-sys-color-warning); background: var(--md-sys-color-warning-container); color: var(--md-sys-color-on-warning-container); }
.callout--info { border-left-color: var(--md-sys-color-primary); background: var(--md-sys-color-primary-container); color: var(--md-sys-color-on-primary-container); }

/* ── Section layout ── */
.section {
  max-width: 1200px;
  margin: 0 auto;
  padding: 88px 24px;
}
.section--surface-variant {
  max-width: 100%;
  background: var(--md-sys-color-surface-container-low);
}
.section--surface-variant > * {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
}
.section__header {
  max-width: 640px;
  margin: 0 auto 48px;
  text-align: center;
}

/* ── Footer ── */
.footer {
  background: var(--md-sys-color-surface-container);
  border-top: 1px solid var(--md-sys-color-outline-variant);
  padding: 32px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  color: var(--md-sys-color-on-surface-variant);
}
.footer a { color: var(--md-sys-color-primary); }

/* ── Spacing utilities ── */
.wordmark__suffix { font-weight: 400; }
.u-mt-sm { margin-top: 12px; }
.u-notop { padding-top: 0; }
.u-notop-tight { padding-top: 0; padding-bottom: 48px; }

/* ── Responsive ── */
@media (max-width: 600px) {
  .display-large { font-size: 38px; line-height: 44px; }
  .top-app-bar__inner { padding: 0 16px; }
  .section { padding: 56px 16px; }
  .nav__link { padding: 8px 12px; }
}