/* Planning verbouwing — mobile-first, zonder dependencies */

:root {
  --bg: #f7f4ee;
  --card: #ffffff;
  --ink: #26302e;
  --muted: #5f6b68;
  --line: #e4dfd4;
  --accent: #3f6b63;
  --accent-soft: #e3eeea;

  --impact-beperkt: #7fa493;
  --impact-gemiddeld: #d1a65c;
  --impact-hoog: #c0705a;

  --radius: 18px;
  --shadow: 0 1px 2px rgba(38, 48, 46, .05), 0 6px 20px rgba(38, 48, 46, .05);
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { -webkit-text-size-adjust: 100%; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 1rem/1.55 var(--font);
}

.visually-hidden {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip: rect(0 0 0 0); white-space: nowrap;
}

:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

.page {
  max-width: 46rem;
  margin: 0 auto;
  padding: 2.5rem 1.1rem 4rem;
}

/* ---------- Hero ---------- */
.hero h1 {
  margin: 0 0 .35rem;
  font-size: clamp(2rem, 7vw, 3rem);
  line-height: 1.1;
  letter-spacing: -.02em;
}
.hero__sub { margin: 0 0 1rem; font-size: 1.15rem; color: var(--accent); font-weight: 500; }
.hero__intro { margin: 0 0 .8rem; color: var(--muted); max-width: 38rem; }

/* ---------- Kort overzicht ---------- */
.glance {
  margin: 2rem 0 .5rem;
  padding: .9rem 1.1rem;
  background: var(--accent-soft);
  border-radius: var(--radius);
  display: grid;
  gap: .6rem;
}
.glance__row { display: grid; gap: .1rem; }
.glance__label { font-size: .75rem; text-transform: uppercase; letter-spacing: .08em; color: var(--accent); font-weight: 700; }
.glance__value { font-weight: 600; }
.glance__date { font-weight: 400; color: var(--muted); }

/* ---------- Tijdlijn ---------- */
.timeline {
  position: relative;
  margin-top: 2rem;
  padding-left: 1.6rem;
}
.timeline::before {
  content: "";
  position: absolute; left: .45rem; top: .4rem; bottom: .4rem;
  width: 2px; background: var(--line); border-radius: 2px;
}

.month {
  margin: 2.2rem 0 1rem -1.6rem;
  padding-left: 1.6rem;
  font-size: .8rem;
  text-transform: uppercase;
  letter-spacing: .12em;
  color: var(--muted);
  font-weight: 700;
}
.month:first-child { margin-top: 0; }

.week { position: relative; margin-bottom: 1.6rem; }
.week::before {
  content: "";
  position: absolute; left: -1.6rem; top: .35rem;
  width: 14px; height: 14px; border-radius: 50%;
  background: var(--bg); border: 3px solid var(--line);
}
.week--current::before { border-color: var(--accent); background: var(--accent); }

.week__head { margin-bottom: .6rem; }
.week__head h4 { margin: 0; font-size: 1.1rem; display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.week__head p { margin: 0; color: var(--muted); font-size: .95rem; }

.week__items { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }

/* ---------- Activiteit ---------- */
.item {
  display: flex; gap: .9rem;
  background: var(--card);
  border-radius: var(--radius);
  padding: 1rem 1.1rem;
  box-shadow: var(--shadow);
  border: 1px solid transparent;
}
.item--important { border-color: var(--line); padding: 1.2rem 1.1rem; }
.item--important .item__title { font-size: 1.25rem; }
.item--active { border-color: var(--accent); }
.impact-hoog.item--important { box-shadow: var(--shadow), inset 4px 0 0 var(--impact-hoog); }

.item__icon {
  flex: none;
  width: 2.5rem; height: 2.5rem;
  display: grid; place-items: center;
  background: var(--bg); border-radius: 50%;
  font-size: 1.2rem;
}
.item__body { min-width: 0; }
.item__tags { display: flex; flex-wrap: wrap; gap: .35rem; margin-bottom: .35rem; }
.item__title { margin: 0; font-size: 1.1rem; line-height: 1.3; }
.item__dates { margin: .1rem 0 .4rem; color: var(--muted); font-size: .95rem; }
.item__text { margin: 0 0 .7rem; }

.tag {
  display: inline-block;
  font-size: .7rem; font-weight: 700; letter-spacing: .06em; text-transform: uppercase;
  padding: .15rem .55rem; border-radius: 999px;
  background: var(--bg); color: var(--muted);
}
.tag--now { background: var(--accent); color: #fff; animation: pulse 2.4s ease-in-out infinite; }
.tag--week { background: var(--accent-soft); color: var(--accent); }
.tag--key { background: #f1e7d6; color: #6b5223; }

/* ---------- Impact ---------- */
.impact { display: inline-flex; align-items: center; gap: .5rem; font-size: .9rem; }
.impact__dots { display: inline-flex; gap: 3px; }
.impact__dots i { width: 9px; height: 9px; border-radius: 50%; background: var(--line); }
.impact--beperkt .impact__dots i.on { background: var(--impact-beperkt); }
.impact--gemiddeld .impact__dots i.on { background: var(--impact-gemiddeld); }
.impact--hoog .impact__dots i.on { background: var(--impact-hoog); }

/* ---------- Lege periode ---------- */
.gap {
  margin: 0 0 1.6rem;
  color: var(--muted); font-size: .9rem; font-style: italic;
  padding: .4rem 0;
}
.empty { color: var(--muted); }

/* ---------- Legende ---------- */
.legend { margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--line); color: var(--muted); }
.legend h2 { font-size: .85rem; text-transform: uppercase; letter-spacing: .1em; margin: 0 0 .8rem; }
.legend dl { margin: 0; display: grid; gap: .6rem; }
.legend dt { color: var(--ink); }
.legend dd { margin: 0; font-size: .9rem; }
.legend__note { font-size: .85rem; margin: 1.2rem 0 0; }

/* ---------- Animaties (alleen met JS en zonder reduced-motion) ---------- */
@keyframes pulse { 50% { opacity: .75; } }

@media (prefers-reduced-motion: no-preference) {
  .js .reveal { opacity: 0; transform: translateY(12px); transition: opacity .5s ease, transform .5s ease; }
  .js .reveal.is-visible { opacity: 1; transform: none; }
}
@media (prefers-reduced-motion: reduce) {
  .tag--now { animation: none; }
}

/* ---------- Groter scherm ---------- */
@media (min-width: 700px) {
  .page { padding-top: 4rem; }
  .timeline { padding-left: 2.4rem; }
  .timeline::before { left: .7rem; }
  .month { margin-left: -2.4rem; padding-left: 2.4rem; }
  .week::before { left: -2.4rem; width: 16px; height: 16px; }
  .week { display: grid; grid-template-columns: 11rem 1fr; gap: 1.2rem; }
  .week__head { margin: 0; position: sticky; top: 1rem; align-self: start; }
  .item { padding: 1.1rem 1.3rem; }
  .legend dl { grid-template-columns: repeat(3, 1fr); gap: 1.2rem; }
}