/* ============================================================
   STICHTING TIJDVERTELLERS — Ontwerpsysteem
   Design tokens · reset · typografie · basiselementen
   Palet: Noordzee — diep marineblauw, mist, zand, signaalrood
   ============================================================ */

:root {
  /* ---- Kleur (OKLCH — elke neutraal is licht getint naar de zee) ---- */
  --ink: oklch(0.24 0.022 250); /* bijna-zwart marineblauw, leestekst */
  --ink-soft: oklch(0.36 0.024 250);
  --navy: oklch(0.30 0.05 252); /* diepe zee, donkere vlakken */
  --navy-deep: oklch(0.205 0.038 254); /* donkerst — hero, footer */
  --navy-abyss: oklch(0.155 0.03 256);

  --fog: oklch(0.66 0.014 245); /* mistgrijs */
  --fog-soft: oklch(0.80 0.010 242);
  --fog-line: oklch(0.72 0.012 244);

  --sand: oklch(0.947 0.014 82); /* warm papier — hoofd-achtergrond */
  --sand-2: oklch(0.912 0.019 80); /* paneel / kaart */
  --sand-3: oklch(0.868 0.025 77); /* dieper zand, randen */
  --paper-line: oklch(0.80 0.021 76);

  --signal: oklch(0.585 0.196 28); /* signaalrood — hét accent */
  --signal-bright: oklch(0.64 0.205 30);
  --signal-ink: oklch(0.485 0.17 28); /* donkerder — rood als tekst op zand */
  --brass: oklch(0.70 0.098 78); /* messing — zeldzaam metaal-accent */
  --brass-deep: oklch(0.56 0.085 76);

  /* ---- Semantische rollen ---- */
  --bg: var(--sand);
  --surface: var(--sand-2);
  --text: var(--ink);
  --text-dim: var(--ink-soft);
  --hair: var(--paper-line);
  --accent: var(--signal);

  /* ---- Op donkere vlakken ---- */
  --on-navy: oklch(0.93 0.012 84);
  --on-navy-dim: oklch(0.74 0.014 240);
  --on-navy-line: oklch(0.42 0.03 250);

  /* ---- Typografie ---- */
  --serif: "Fraunces", "Iowan Old Style", Georgia, "Times New Roman", serif;
  --sans: "Archivo", ui-sans-serif, system-ui, -apple-system, "Segoe UI",
    Roboto, sans-serif;

  /* fluïde schaal — 320 → 1600px */
  --step--2: clamp(0.72rem, 0.70rem + 0.10vw, 0.78rem);
  --step--1: clamp(0.84rem, 0.81rem + 0.14vw, 0.94rem);
  --step-0: clamp(1rem, 0.96rem + 0.20vw, 1.13rem);
  --step-1: clamp(1.2rem, 1.12rem + 0.40vw, 1.5rem);
  --step-2: clamp(1.44rem, 1.30rem + 0.70vw, 2rem);
  --step-3: clamp(1.73rem, 1.50rem + 1.15vw, 2.66rem);
  --step-4: clamp(2.07rem, 1.71rem + 1.80vw, 3.55rem);
  --step-5: clamp(2.49rem, 1.93rem + 2.80vw, 4.74rem);
  --step-6: clamp(2.99rem, 2.12rem + 4.35vw, 6.31rem);
  --step-7: clamp(3.58rem, 2.20rem + 6.90vw, 8.4rem);

  /* ---- Ruimte ---- */
  --sp-3xs: 0.25rem;
  --sp-2xs: 0.5rem;
  --sp-xs: 0.75rem;
  --sp-s: 1rem;
  --sp-m: 1.5rem;
  --sp-l: 2.25rem;
  --sp-xl: 3.5rem;
  --sp-2xl: 5.5rem;
  --sp-3xl: 8rem;

  --measure: 66ch;
  --gutter: clamp(1.25rem, 0.6rem + 3vw, 3.5rem);
  --wrap: 1280px;
  --wrap-wide: 1500px;
  --wrap-narrow: 780px;

  /* ---- Vorm ---- */
  --radius: 3px; /* archief = strak, bijna vierkant */
  --radius-l: 6px;

  /* ---- Motion ---- */
  --ease: cubic-bezier(0.22, 0.61, 0.36, 1);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
  --dur-1: 0.28s;
  --dur-2: 0.55s;
  --dur-3: 0.9s;

  --shadow-soft: 0 1px 2px oklch(0.25 0.03 250 / 0.06),
    0 8px 24px -12px oklch(0.25 0.03 250 / 0.22);
  --shadow-lift: 0 2px 4px oklch(0.25 0.03 250 / 0.08),
    0 22px 48px -20px oklch(0.25 0.03 250 / 0.36);
}

/* ============================================================
   Reset
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
}
* {
  margin: 0;
}
/* Zorg dat het hidden-attribuut altijd wint van display-regels (grid/flex) */
[hidden] {
  display: none !important;
}
html {
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  scroll-behavior: smooth;
}
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}
body {
  min-height: 100svh;
  background: var(--bg);
  color: var(--text);
  font-family: var(--sans);
  font-size: var(--step-0);
  line-height: 1.65;
  font-weight: 400;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}
img,
picture,
svg,
video {
  display: block;
  max-width: 100%;
}
svg {
  height: auto;
}
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}
button {
  cursor: pointer;
  background: none;
  border: none;
}
a {
  color: inherit;
  text-decoration: none;
}
ul[role="list"],
ol[role="list"] {
  list-style: none;
  padding: 0;
}
:target {
  scroll-margin-top: 6rem;
}

/* ============================================================
   Papier-textuur — subtiele korrel over de hele achtergrond
   ============================================================ */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3CfeColorMatrix type='saturate' values='0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.5'/%3E%3C/svg%3E");
  opacity: 0.035;
  mix-blend-mode: multiply;
}

/* ============================================================
   Typografie
   ============================================================ */
h1,
h2,
h3,
h4 {
  font-family: var(--serif);
  font-weight: 460;
  line-height: 1.04;
  letter-spacing: -0.015em;
  font-optical-sizing: auto;
  text-wrap: balance;
  color: var(--ink);
}
h1 {
  font-size: var(--step-6);
  font-weight: 420;
}
h2 {
  font-size: var(--step-4);
}
h3 {
  font-size: var(--step-2);
  line-height: 1.12;
}
h4 {
  font-size: var(--step-1);
  line-height: 1.2;
  letter-spacing: -0.01em;
}
p {
  text-wrap: pretty;
}
strong {
  font-weight: 600;
}
em,
i {
  font-style: italic;
}

.display {
  font-variation-settings: "opsz" 144, "SOFT" 0, "WONK" 1;
}

/* Kleine capitalen-label — het "archiefkaartje" motief */
.eyebrow {
  font-family: var(--sans);
  font-size: var(--step--1);
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--signal-ink);
  display: inline-flex;
  align-items: center;
  gap: 0.7em;
}
.eyebrow::before {
  content: "";
  width: 1.8em;
  height: 1px;
  background: currentColor;
  opacity: 0.6;
}
.eyebrow--plain::before {
  display: none;
}

.lede {
  font-size: var(--step-1);
  line-height: 1.5;
  color: var(--text-dim);
  font-weight: 380;
  max-width: 40ch;
}

.prose {
  max-width: var(--measure);
}
.prose p + p {
  margin-top: 1.15em;
}
.prose p {
  font-size: var(--step-0);
  line-height: 1.72;
}
.prose h2 {
  font-size: var(--step-3);
  margin: 1.8em 0 0.5em;
}
.prose h3 {
  margin: 1.6em 0 0.4em;
}
.prose a {
  color: var(--signal-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  text-decoration-color: color-mix(in oklch, var(--signal) 45%, transparent);
  transition: text-decoration-color var(--dur-1) var(--ease);
}
.prose a:hover {
  text-decoration-color: var(--signal);
}
.prose blockquote {
  margin: 1.6em 0;
  padding-left: 1.2em;
  border-left: 2px solid var(--signal);
  font-family: var(--serif);
  font-size: var(--step-2);
  font-style: italic;
  line-height: 1.28;
  font-weight: 380;
  color: var(--ink);
}
.prose blockquote cite {
  display: block;
  margin-top: 0.5em;
  font-family: var(--sans);
  font-size: var(--step--1);
  font-style: normal;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--text-dim);
}

/* ============================================================
   Focus & selectie
   ============================================================ */
:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 2px;
}
::selection {
  background: var(--signal);
  color: var(--sand);
}
.skip-link {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 200;
  background: var(--navy-deep);
  color: var(--on-navy);
  padding: 0.6rem 1rem;
  border-radius: var(--radius);
  transform: translateY(-160%);
  transition: transform var(--dur-1) var(--ease);
}
.skip-link:focus {
  transform: translateY(0);
}