:root {
  --ink: #141310;
  --ink-soft: #3c3832;
  --muted: #6d675e;
  --paper: #f3f0e8;
  --paper-2: #e8e3d6;
  --paper-3: #fffdf8;
  --line: #d8d1c3;
  --line-strong: #c4bba8;
  --accent: #b43512;
  --accent-soft: #f3e4dc;
  --header-h: 4rem;
  --max: 50rem;
  --num: 2.1rem;
  --num-gap: 0.9rem;
  --font-sans: "IBM Plex Sans", system-ui, sans-serif;
  --font-serif: "Newsreader", "Iowan Old Style", "Palatino Linotype", serif;
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

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

html,
body {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-sans);
  color: var(--ink);
  background: var(--paper);
  line-height: 1.5;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1;
  padding-block: 0 4.5rem;
}

a {
  color: inherit;
}

button {
  font: inherit;
  color: inherit;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -3rem;
  z-index: 20;
  padding: 0.5rem 0.8rem;
  background: var(--ink);
  color: var(--paper);
  text-decoration: none;
}

.skip-link:focus {
  top: 1rem;
}

.container {
  width: min(100% - 2rem, var(--max));
  margin-inline: auto;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}

.site-header__inner {
  width: min(100% - 2rem, var(--max));
  min-height: var(--header-h);
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  gap: 1rem;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  justify-self: start;
  text-decoration: none;
  min-width: 0;
}

.logo__mark {
  display: grid;
  place-items: center;
  width: 1.35rem;
  height: 1.35rem;
  border-radius: 50%;
  background: var(--accent);
  color: #fffdf8;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: -0.03em;
  line-height: 1;
}

.logo__name {
  font-family: Georgia, "Times New Roman", Times, serif;
  font-weight: 700;
  letter-spacing: -0.02em;
  font-size: 1.2rem;
  line-height: 1;
}

.site-header__date {
  margin: 0;
  justify-self: end;
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 500;
  letter-spacing: 0.04em;
  line-height: 1.2;
  text-align: right;
}

.period-nav {
  display: flex;
  padding: 0.22rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--paper-3);
}

.period-nav__btn {
  appearance: none;
  border: 0;
  background: transparent;
  border-radius: 999px;
  padding: 0.38rem 0.9rem;
  font-size: 0.86rem;
  font-weight: 500;
  color: var(--ink-soft);
  cursor: pointer;
  transition: background 160ms var(--ease), color 160ms var(--ease);
}

.period-nav__btn:hover {
  color: var(--ink);
}

.period-nav__btn[aria-pressed="true"] {
  background: var(--ink);
  color: var(--paper);
}

.period-nav__btn:focus-visible,
.cats__btn:focus-visible,
.story__summary:focus-visible,
.story__source:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.hero {
  padding: 2.4rem 0 1.6rem;
}

.hero__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(2.1rem, 5vw, 3.15rem);
  font-weight: 500;
  letter-spacing: -0.03em;
  line-height: 1.08;
}

.toolbar {
  position: sticky;
  top: var(--header-h);
  z-index: 5;
  margin-bottom: 0.5rem;
  padding: 0.55rem 0;
  background: color-mix(in srgb, var(--paper) 92%, transparent);
  backdrop-filter: blur(14px);
}

.cats {
  display: flex;
  flex-wrap: nowrap;
  align-items: center;
  gap: 0.4rem;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  scroll-snap-type: x proximity;
  scroll-padding-inline: 0.15rem;
}

.cats::-webkit-scrollbar {
  display: none;
}

.cats__btn {
  appearance: none;
  flex: 0 0 auto;
  border: 1px solid var(--line);
  background: transparent;
  border-radius: 999px;
  padding: 0.32rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--ink-soft);
  cursor: pointer;
  scroll-snap-align: start;
  white-space: nowrap;
  transition: background 160ms var(--ease), border-color 160ms var(--ease), color 160ms var(--ease);
}

.cats__btn:hover {
  border-color: var(--line-strong);
  color: var(--ink);
}

.cats__btn[aria-pressed="true"] {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.stories {
  list-style: none;
  padding: 0;
  border-top: 1px solid var(--line);
}

.story {
  border-bottom: 1px solid var(--line);
}

.story details {
  margin: 0;
}

.story__summary {
  display: grid;
  grid-template-columns: var(--num) minmax(0, 1fr) auto;
  gap: 0.85rem var(--num-gap);
  align-items: start;
  padding: 1.2rem 0 1.25rem;
  cursor: pointer;
  list-style: none;
}

.story__summary::-webkit-details-marker {
  display: none;
}

.story__summary:hover .story__headline {
  color: var(--accent);
}

.story__num {
  padding-top: 0.18rem;
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  line-height: 1;
  font-variant-numeric: tabular-nums;
}

.story__body {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.35rem;
  min-width: 0;
}

.cat {
  display: inline-flex;
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.cat--politiek { color: #3d4f73; }
.cat--economie { color: #5c5330; }
.cat--internationaal { color: #4a3d73; }
.cat--sport { color: #2f5a3e; }
.cat--samenleving { color: #7a3d28; }
.cat--wetenschap { color: #2b5a5a; }
.cat--cultuur { color: #6a3a58; }
.cat--klimaat { color: #3d5a2f; }

.story__headline {
  display: block;
  font-family: var(--font-serif);
  font-size: clamp(1.2rem, 2.4vw, 1.45rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.22;
  transition: color 160ms var(--ease);
}

.story__text {
  display: block;
  max-width: 38rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
  line-height: 1.5;
}

.story__aside {
  display: flex;
  align-items: flex-start;
  padding-top: 0.28rem;
}

.story__chevron {
  flex: 0 0 auto;
  width: 0.52rem;
  height: 0.52rem;
  margin-top: 0.12rem;
  border-right: 2px solid var(--muted);
  border-bottom: 2px solid var(--muted);
  transform: rotate(45deg);
  transition: transform 160ms var(--ease), border-color 160ms var(--ease);
}

.story__summary:hover .story__chevron {
  border-color: var(--ink);
}

.story details[open] .story__chevron {
  margin-top: 0.32rem;
  transform: rotate(-135deg);
}

.story__more {
  max-width: 38rem;
  margin: 0 0 0 calc(var(--num) + var(--num-gap));
  padding: 0 0 1.4rem;
}

.story__more p {
  margin: 0 0 0.85rem;
  color: var(--ink-soft);
  font-size: 0.95rem;
}

.story__more .story__sources-label {
  margin: 0 0 0.4rem;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.story__sources {
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--muted);
  font-size: 0.82rem;
  line-height: 1.4;
}

.story__sources li + li {
  margin-top: 0.28rem;
}

.story__source {
  text-decoration: none;
}

.story__source-title {
  text-decoration: underline;
  text-decoration-style: dotted;
  text-decoration-color: var(--line-strong);
  text-underline-offset: 0.18em;
}

.story__source:hover .story__source-name,
.story__source:hover .story__source-title {
  color: var(--accent);
  text-decoration-color: var(--accent);
}

.story__source-name {
  font-weight: 600;
  color: var(--ink-soft);
}

.story__source-name::after {
  content: " — ";
  font-weight: 400;
  color: var(--muted);
}

.site-footer {
  border-top: 1px solid var(--line);
  padding: 1.3rem 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.site-footer__inner {
  width: min(100% - 2rem, var(--max));
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 0.5rem 1.5rem;
}

.site-footer__brand {
  margin: 0;
  font-weight: 600;
  color: var(--ink-soft);
}

@media (max-width: 800px) {
  .site-header__inner {
    grid-template-columns: 1fr auto;
    padding-block: 0.7rem;
  }

  .period-nav {
    grid-column: 1 / -1;
    justify-content: space-between;
  }

  .period-nav__btn {
    flex: 1;
    text-align: center;
  }

  /* Full-bleed horizontal swipe for category chips */
  .toolbar .container {
    width: 100%;
    max-width: none;
    padding-inline: 0;
  }

  .cats {
    padding-inline: 1rem;
    scroll-padding-inline: 1rem;
  }

  .hero__title {
    text-align: center;
  }

  .story__summary {
    grid-template-columns: 1.7rem minmax(0, 1fr) auto;
    gap: 0.35rem 0.7rem;
    margin-left: 0;
    width: auto;
  }

  .story__aside {
    padding-top: 0.18rem;
  }

  .story__more {
    margin-left: calc(1.7rem + 0.7rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .period-nav__btn,
  .cats__btn,
  .story__headline,
  .story__chevron {
    transition: none;
  }
}