/* ==========================================================================
   Kirill Blokker — huisstijl & sitestijl  (#19 systeem)
   --------------------------------------------------------------------------
   Drie sporen (elk een eigen kleur):
     1. Interim & strategie  → klei/terracotta   (HOOFDSPOOR)
     2. Het Lab              → goud               (toekomstspoor)
     3. Politiek             → bosgroen           (standalone spoor)
   Daaronder, gedempt: event- & marketingwerk    → taupe (archief)
   ========================================================================== */

/* --- Design tokens -------------------------------------------------------- */
:root {
  /* Basis (#19) */
  --base:      #FAF9F5;
  --surface:   #F2F0E9;
  --card:      #FFFDF9;
  --ink:       #23211C;
  --ink-deep:  #1B1A16;
  --muted:     #76736B;
  --line:      #E9E5D9;
  --line-soft: #EFEBDF;

  /* Spoor 1 — Interim & strategie (klei) */
  --clay:      #C8674A;
  --clay-deep: #A04E33;
  --clay-pale: #F6E9E2;

  /* Spoor 2 — Het Lab (goud) */
  --gold:      #C99A3F;
  --gold-deep: #9C7526;
  --gold-pale: #F6EEDA;
  --gold-lift: #D8B25E; /* op donkere achtergrond */

  /* Spoor 3 — Politiek (groen) */
  --green:      #5E8A6F;
  --green-deep: #3F6650;
  --green-pale: #E6EEE7;

  /* Archief — event- & marketingwerk (taupe, gedempt) */
  --taupe:      #BBB4A6;
  --taupe-deep: #86837C;
  --taupe-pale: #EAE5DD;

  /* Typografie */
  --font-serif: "Fraunces", Georgia, "Times New Roman", serif;
  --font-sans:  "Inter", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;

  /* Maatvoering */
  --maxw:      1080px;
  --gut:       32px;
  --radius:    12px;
  --radius-s:  7px;
  --radius-tag: 4px;
  --radius-cta: 16px;

  /* Schaduw & overgang */
  --shadow-portrait: 0 6px 28px rgba(94,138,111,.16);
  --ease: .22s cubic-bezier(.4,.0,.2,1);
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.65;
  color: var(--ink);
  background: var(--base);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4 {
  font-family: var(--font-serif);
  font-weight: 600;
  line-height: 1.1;
  letter-spacing: -.01em;
  margin: 0 0 .4em;
  color: var(--ink);
}
h1 { font-size: clamp(32px, 5.5vw, 64px); letter-spacing: -.02em; }
h2 { font-size: clamp(26px, 3.2vw, 32px); }
h3 { font-size: 18px; }

p { margin: 0 0 1em; }
a { color: var(--clay-deep); text-decoration: none; }
a:hover { text-decoration: underline; }
img { max-width: 100%; display: block; }

.container {
  width: 100%;
  max-width: var(--maxw);
  margin-inline: auto;
  padding-inline: var(--gut);
}

section { padding-block: clamp(48px, 7vw, 72px); }

.eyebrow {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 14px;
}

.lead {
  font-size: 17px;
  color: var(--muted);
  max-width: 480px;
  line-height: 1.6;
}

.section-head { max-width: 60ch; margin-bottom: 40px; }

/* --- Knoppen -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  padding: 12px 22px;
  border-radius: var(--radius-s);
  border: 1.5px solid transparent;
  cursor: pointer;
  transition: background var(--ease), border-color var(--ease), color var(--ease);
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--clay); color: #fff; }
.btn-primary:hover { background: var(--clay-deep); }
.btn-gold { background: var(--gold); color: #3A2E0E; }
.btn-gold:hover { background: var(--gold-deep); color: #fff; }
.btn-ghost { background: transparent; color: var(--green-deep); border-color: var(--green); border-width: 1.5px; }
.btn-ghost:hover { background: var(--green-pale); }
.btn-on-dark { background: #fff; color: var(--ink); border-radius: var(--radius-s); }
.btn-on-dark.is-outline { background: transparent; color: #fff; border-color: rgba(255,255,255,.4); }

/* --- Navigatie (sticky, translucent ivory + blur) ------------------------ */
.nav {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(250,249,245,.88);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 0.5px solid var(--line);
  color: var(--ink);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 60px;
}
.nav-brand {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 21px;
  color: var(--ink);
  letter-spacing: -.01em;
}
.nav-brand:hover { text-decoration: none; }
.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  opacity: .8;
}
.nav-links a:hover { opacity: 1; text-decoration: none; }
.nav-links .nav-cta { opacity: 1; }
.nav-toggle {
  display: none;
  background: none;
  border: 0;
  color: var(--ink);
  font-size: 26px;
  cursor: pointer;
  line-height: 1;
}

/* --- Hero ----------------------------------------------------------------- */
.hero {
  background: var(--base);
  padding-block: 72px clamp(48px,6vw,80px);
  border-bottom: 0.5px solid var(--line);
}
.hero-grid {
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: center;
}
.hero .eyebrow { color: var(--clay); }
.hero h1 { margin-bottom: 20px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 28px; }

.hero-portrait {
  display: flex;
  justify-content: center;
}
.hero-portrait figure {
  width: 260px;
  height: 260px;
  border-radius: 50%;
  overflow: hidden;
  background: var(--green-pale);
  border: 5px solid #fff;
  box-shadow: var(--shadow-portrait);
  flex: none;
}
.hero-portrait figure img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* --- Spoor-modifiers (zetten de --track variabelen) ---------------------- */
.t-clay  {
  --track:      var(--clay);
  --track-deep: var(--clay-deep);
  --track-pale: var(--clay-pale);
}
.t-gold  {
  --track:      var(--gold);
  --track-deep: var(--gold-deep);
  --track-pale: var(--gold-pale);
}
.t-green {
  --track:      var(--green);
  --track-deep: var(--green-deep);
  --track-pale: var(--green-pale);
}
.t-taupe {
  --track:      var(--taupe);
  --track-deep: var(--taupe-deep);
  --track-pale: var(--taupe-pale);
}

/* --- Spoor-kaarten -------------------------------------------------------- */
.tracks {
  background: var(--surface);
  border-top: 0.5px solid var(--line);
  border-bottom: 0.5px solid var(--line);
}
.track-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.track-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 0.5px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--ease);
}
.track-card:hover { transform: translateY(-2px); }

/* header-rij met icon tile */
.track-header {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 20px 16px;
  border-bottom: 0.5px solid var(--line-soft);
}
.track-tile {
  width: 40px;
  height: 40px;
  border-radius: 9px;
  background: var(--track, var(--clay));
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex: none;
}
.track-header-text { display: flex; flex-direction: column; gap: 2px; }
.track-header-text h3 {
  font-size: 17px;
  margin: 0;
  line-height: 1.2;
}
.track-header-text .track-role {
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-sans);
  font-weight: 400;
}

/* body */
.track-body {
  display: flex;
  flex-direction: column;
  flex: 1;
  padding: 16px 20px 20px;
}
.track-body > p {
  font-size: 13.5px;
  color: var(--muted);
  line-height: 1.55;
  margin-bottom: 14px;
}

/* chips */
.track-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 16px;
}

/* evolutie-lijn */
.track-origin {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px dashed rgba(0,0,0,.13);
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 8px;
}
.track-origin-text {
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-sans);
}
.track-link {
  font-size: 12px;
  font-weight: 600;
  color: var(--track, var(--clay));
  white-space: nowrap;
  transition: color var(--ease);
}
.track-link:hover { color: var(--track-deep, var(--clay-deep)); text-decoration: none; }

/* --- Tags / chips --------------------------------------------------------- */
.tag {
  display: inline-block;
  font-family: var(--font-sans);
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  padding: 3px 8px;
  border-radius: var(--radius-tag);
  background: var(--track-pale, var(--clay-pale));
  color: var(--track-deep, var(--clay-deep));
  align-self: flex-start;
}

/* --- Werk-grid ------------------------------------------------------------ */
#werk { background: var(--base); }
.werk-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 28px;
}
.werk-header h2 { margin: 0; }
.werk-header a {
  font-size: 14px;
  font-weight: 600;
  color: var(--clay-deep);
}
.work-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.work-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 0.5px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  transition: transform var(--ease);
  text-decoration: none;
  color: inherit;
}
.work-card:hover { transform: translateY(-2px); text-decoration: none; }
.work-card.is-archive { opacity: .85; }

.work-image {
  height: 160px;
  background: var(--track, var(--clay));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-weight: 600;
  color: rgba(255,255,255,.6);
  letter-spacing: .08em;
  text-transform: uppercase;
}
.work-body {
  padding: 16px 18px 18px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.work-body .tag { margin-bottom: 10px; }
.work-body h3 { font-size: 17px; margin-bottom: 4px; }
.work-body .work-sub { font-size: 13px; color: var(--muted); margin: 0; }

/* --- Lab-blok (donker ink, twee kolommen) -------------------------------- */
.lab {
  background: var(--ink);
  color: #fff;
}
.lab-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.lab-left .eyebrow { color: var(--gold-lift); }
.lab-left h2 { color: #fff; font-size: clamp(26px,3.2vw,36px); }
.lab-left .lead { color: rgba(255,255,255,.7); max-width: none; }
.lab-left .btn-gold { margin-top: 8px; }

.exp-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.exp-card {
  background: rgba(255,255,255,.06);
  border: 0.5px solid rgba(201,154,63,.35);
  border-radius: var(--radius);
  padding: 20px 22px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.exp-icon {
  color: var(--gold-lift);
  font-size: 22px;
  flex: none;
  margin-top: 2px;
}
.exp-card h3 { color: #fff; font-size: 15px; margin-bottom: 4px; }
.exp-card p { color: rgba(255,255,255,.65); font-size: 13.5px; margin: 0; line-height: 1.5; }

/* --- Blog / actueel ------------------------------------------------------- */
#actueel { background: var(--base); }
.posts { display: flex; flex-direction: column; }
.post {
  display: grid;
  grid-template-columns: 110px 130px 1fr auto;
  align-items: center;
  gap: 20px;
  padding: 18px 4px;
  border-bottom: 0.5px solid var(--line);
  text-decoration: none;
  color: inherit;
  transition: padding var(--ease);
}
.post:hover { padding-left: 12px; text-decoration: none; }
.post:hover h3 { color: var(--clay-deep); }
.post-date {
  font-size: 13px;
  color: var(--clay);
  font-weight: 500;
  font-family: var(--font-sans);
}
.post h3 {
  font-size: 17px;
  margin: 0;
  transition: color var(--ease);
}
.post p { display: none; }
.post > .ti { color: var(--muted); font-size: 18px; }

/* --- CTA-band (donker ink, afgerond blok) -------------------------------- */
.contact {
  background: var(--base);
  padding-block: clamp(32px,5vw,60px);
}
.cta-band {
  background: var(--ink);
  border-radius: var(--radius-cta);
  padding: clamp(36px,5vw,56px) clamp(32px,5vw,56px);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}
.cta-left .eyebrow { color: var(--clay); }
.cta-left h2 { color: #fff; margin-bottom: 6px; }
.cta-left p { color: rgba(255,255,255,.65); margin: 0; font-size: 15px; max-width: 48ch; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 12px; flex: none; }

/* --- Footer (donker ink-deep) --------------------------------------------- */
.footer {
  background: var(--ink-deep);
  color: rgba(255,255,255,.55);
  padding-block: 48px 32px;
  font-size: 14px;
}
.footer a { color: rgba(255,255,255,.65); }
.footer a:hover { color: #fff; text-decoration: none; }
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 32px;
  padding-bottom: 36px;
  border-bottom: 0.5px solid rgba(255,255,255,.1);
}
.footer-brand {
  font-family: var(--font-serif);
  font-size: 20px;
  color: #fff;
  display: block;
  margin-bottom: 8px;
}
.footer-tagline { font-size: 13px; color: rgba(255,255,255,.45); line-height: 1.5; }
.footer-col h4 {
  font-family: var(--font-sans);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(255,255,255,.35);
  margin: 0 0 14px;
}
.footer-col ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.footer-bottom {
  padding-top: 22px;
  font-size: 12px;
  color: rgba(255,255,255,.3);
}

/* --- Huisstijl-swatchstrip ----------------------------------------------- */
.swatches { background: var(--surface); }
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  margin-top: 32px;
}
.swatch {
  border: 0.5px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--card);
}
.swatch-chip { height: 64px; }
.swatch-body { padding: 14px 16px; }
.swatch-body strong { display: block; font-size: 14px; margin-bottom: 2px; }
.swatch-body span { font-size: 12px; color: var(--muted); }

/* --- Project-detailpagina ------------------------------------------------- */
.project-hero { background: var(--track-pale, var(--clay-pale)); border-bottom: 0.5px solid var(--line); }
.back-link { font-size: 14px; font-weight: 600; color: var(--track-deep, var(--clay-deep)); }
.project-hero h1 { margin: 16px 0 12px; }
.project-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 24px;
  font-size: 14px;
  color: var(--muted);
  margin-top: 18px;
}
.project-meta strong { color: var(--ink); font-weight: 600; }

.project-body {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: clamp(32px, 5vw, 64px);
  align-items: start;
}
.prose { max-width: 65ch; }
.prose h2 {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-top: 8px;
}
.prose h2::before {
  content: "";
  width: 28px; height: 4px;
  border-radius: 2px;
  background: var(--track, var(--clay));
  flex: none;
}
.prose .block + .block { margin-top: 48px; }
.prose ul { padding-left: 1.2em; }
.prose li { margin-bottom: 8px; }

.project-aside {
  position: sticky;
  top: 80px;
  background: var(--card);
  border: 0.5px solid var(--line);
  border-top: 3px solid var(--track, var(--clay));
  border-radius: var(--radius);
  padding: 24px;
}
.project-aside h4 {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--muted);
  margin: 0 0 12px;
}
.project-aside + .project-aside { margin-top: 20px; }
.tag-list { display: flex; flex-wrap: wrap; gap: 8px; margin-bottom: 20px; }
.tag-list .tag { margin-bottom: 0; }

/* --- Werk-overzichtspagina ------------------------------------------------ */
.page-hero {
  background: var(--base);
  border-bottom: 0.5px solid var(--line);
  padding-block: 56px 36px;
}
.page-hero .lead { max-width: 560px; }

.filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 28px;
}
.filter-btn {
  font-family: var(--font-sans);
  font-size: 13px;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 999px;
  border: 0.5px solid var(--line);
  background: var(--card);
  color: var(--muted);
  cursor: pointer;
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.filter-btn:hover { color: var(--ink); border-color: var(--ink); }
.filter-btn.is-active { background: var(--ink); color: #fff; border-color: var(--ink); }

.work-count { margin: 0 0 24px; font-size: 13px; color: var(--muted); }
.work-card.is-hidden { display: none; }

/* --- Responsief ----------------------------------------------------------- */
@media (max-width: 860px) {
  :root { --gut: 20px; }
  body { font-size: 15px; }

  .nav-toggle { display: block; }
  .nav-links {
    position: absolute;
    top: 60px; left: 0; right: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    background: rgba(250,249,245,.96);
    backdrop-filter: blur(12px);
    padding: 8px 0;
    border-bottom: 0.5px solid var(--line);
    display: none;
  }
  .nav-links.is-open { display: flex; }
  .nav-links li { width: 100%; }
  .nav-links a { display: block; padding: 12px var(--gut); width: 100%; }
  .nav-links .nav-cta { padding: 12px var(--gut); }

  .hero { padding-block: 48px 40px; }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-portrait { order: -1; }
  .hero-portrait figure { width: 180px; height: 180px; }
  .hero h1 { font-size: 32px; }

  .track-grid,
  .work-grid { grid-template-columns: 1fr; }

  .lab-grid { grid-template-columns: 1fr; }

  .swatch-grid { grid-template-columns: repeat(2, 1fr); }

  .post {
    grid-template-columns: auto 1fr auto;
    gap: 10px;
  }
  .post .post-cat { display: none; }

  .cta-band {
    flex-direction: column;
    align-items: flex-start;
    gap: 24px;
  }

  .footer-grid { grid-template-columns: 1fr 1fr; }

  .project-body { grid-template-columns: 1fr; }
  .project-aside { position: static; }
}