/* ==========================================================================
   Huisstijl Pieter Heidt
   Eén bestand met alle kleuren, letters en bouwblokken van de site.
   Laad dit als LAATSTE stylesheet in de <head>, dan wint het van Bootstrap:
   <link rel="stylesheet" href="/css/huisstijl.css" />
   Uitleg en voorbeelden: zie HUISSTIJL.md
   ========================================================================== */

/* ---------- 1. Basiswaarden (pas hier aan, dan verandert het overal) ---------- */
:root {
  /* Kleuren */
  --hs-groen: #046553;          /* merkkleur, ook van de navbar */
  --hs-groen-donker: #034a3d;
  --hs-groen-knop: #156c46;     /* knoppen (= Bootstrap primary) */
  --hs-accent: #3fbf8f;         /* lichtgroen: labels, bolletjes, hover */
  --hs-accent-zacht: rgba(63, 191, 143, 0.15);

  --hs-tekst: #ffffff;
  --hs-tekst-zacht: rgba(255, 255, 255, 0.7);  /* lopende tekst in kaarten */
  --hs-tekst-stil: rgba(255, 255, 255, 0.45);  /* nummers, datums */

  --hs-vlak: rgba(255, 255, 255, 0.03);        /* achtergrond van een kaart */
  --hs-rand: rgba(255, 255, 255, 0.08);        /* dunne randen en lijnen */
  --hs-glans: inset 0 1px 0 rgba(255, 255, 255, 0.06); /* lichtrandje bovenaan */
  --hs-gloed: radial-gradient(120% 80% at 0% 0%, rgba(4, 101, 83, 0.35), transparent 60%);
  --hs-schaduw: 0 1.25rem 2.5rem rgba(0, 0, 0, 0.35);

  /* Vormen */
  --hs-radius: 20px;            /* kaarten, navbar */
  --hs-radius-klein: 12px;      /* video's, invoervelden, foto's in een kaart */
  --hs-pil: 999px;              /* knoppen */

  /* Beweging: snel weg, rustig uitlopen */
  --hs-ease: cubic-bezier(0.25, 1, 0.5, 1);
  --hs-snel: 0.25s;
  --hs-rustig: 0.4s;

  /* Letters */
  --hs-font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}

/* ---------- 2. Basis ---------- */
body {
  font-family: var(--hs-font);
  font-optical-sizing: auto;
}

::selection {
  background-color: #067e5a;
  color: rgb(10, 10, 10);
}

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

/* ---------- 3. Sectiekop: label + titel + korte tekst ---------- */
.hs-section {
  margin-top: 3rem;
  margin-bottom: 3rem;
}
.hs-head {
  text-align: center;
  max-width: 38rem;
  margin: 0 auto 2.5rem;
}
.hs-head--links {
  text-align: left;
  margin-left: 0;
}
.hs-eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--hs-accent);
}
.hs-title {
  margin: 0;
  font-weight: 700;
  font-size: clamp(1.75rem, 4vw, 2.75rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
}
.hs-lead {
  margin: 0.85rem 0 0;
  font-size: 1.1rem;
  line-height: 1.55;
  color: var(--hs-tekst-zacht);
}

/* Kaarten onder elkaar, met vaste ruimte ertussen */
.hs-stack {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* ---------- 4. Kaart ---------- */
.hs-card {
  position: relative;
  display: flex;
  flex-direction: column;
  padding: clamp(1.5rem, 3vw, 2.25rem);
  border-radius: var(--hs-radius);
  overflow: hidden;
  background: var(--hs-gloed), var(--hs-vlak);
  border: 1px solid var(--hs-rand);
  box-shadow: var(--hs-glans);
  color: var(--hs-tekst);
  transition: transform var(--hs-rustig) var(--hs-ease),
    border-color var(--hs-rustig) var(--hs-ease),
    box-shadow var(--hs-rustig) var(--hs-ease);
}
/* Kaarten die je kunt aanwijzen komen iets omhoog */
.hs-card--hover:hover,
a.hs-card:hover {
  transform: translateY(-4px);
  border-color: rgba(63, 191, 143, 0.35);
  box-shadow: var(--hs-glans), var(--hs-schaduw);
}
a.hs-card {
  text-decoration: none;
}
a.hs-card:active {
  transform: translateY(-2px) scale(0.99);
  transition-duration: 100ms;
}

/* Afbeelding / animatie bovenaan een kaart */
.hs-visual {
  height: 120px;
  margin-bottom: 1.25rem;
  display: flex;
  align-items: center;
}
.hs-visual canvas {
  width: 100%;
  height: 100%;
}
.hs-visual img {
  height: 100px;
  width: auto;
}

.hs-card-title {
  margin: 0.75rem 0 0.5rem;
  font-weight: 700;
  font-size: clamp(1.4rem, 2.5vw, 1.9rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.hs-text {
  color: var(--hs-tekst-zacht);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

/* Lijst met groene bolletjes en dunne lijnen */
.hs-list {
  list-style: none;
  padding: 0;
  margin: 0 0 2rem;
  border-top: 1px solid var(--hs-rand);
}
.hs-list li {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.8rem 0;
  border-bottom: 1px solid var(--hs-rand);
}
.hs-list li::before {
  content: "";
  flex: none;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--hs-accent);
  box-shadow: 0 0 0 4px var(--hs-accent-zacht);
}

/* Knoppen onderaan een kaart */
.hs-actions {
  margin-top: auto;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem 1.5rem;
}

/* ---------- 5. Knoppen en links ---------- */
.btn {
  border-radius: var(--hs-pil);
  padding: 0.6rem 1.4rem;
  font-weight: 500;
}
.btn-primary {
  --bs-btn-bg: var(--hs-groen-knop);
  --bs-btn-border-color: var(--hs-groen-knop);
  --bs-btn-hover-bg: #1a8256;
  --bs-btn-hover-border-color: #1a8256;
  --bs-btn-active-bg: #115a3a;
  --bs-btn-active-border-color: #115a3a;
}

/* Rustige tekstlink met pijltje */
.hs-link {
  color: rgba(255, 255, 255, 0.85);
  text-decoration: none;
  font-weight: 500;
}
.hs-link span {
  display: inline-block;
  transition: transform var(--hs-snel) var(--hs-ease);
}
.hs-link:hover {
  color: #fff;
}
.hs-link:hover span {
  transform: translateX(4px);
}
.hs-link:active {
  opacity: 0.6;
}

/* Terug-link bovenaan subpagina's */
.hs-back {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 1.5rem;
  color: var(--hs-tekst-zacht);
  text-decoration: none;
  font-weight: 500;
}
.hs-back span {
  display: inline-block;
  transition: transform var(--hs-snel) var(--hs-ease);
}
.hs-back:hover {
  color: #fff;
}
.hs-back:hover span {
  transform: translateX(-4px);
}
.hs-back:active {
  opacity: 0.6;
}

/* ---------- 6. Media ---------- */
.video-embed,
.hs-media {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
  border-radius: var(--hs-radius-klein);
  background: #000;
}
.hs-card .video-embed,
.hs-card .hs-media {
  margin-bottom: 1.5rem;
}
.hs-foto {
  border-radius: var(--hs-radius);
}

/* ---------- 7. Formulieren ---------- */
.hs-form .form-label {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--hs-tekst-zacht);
  margin-bottom: 0.35rem;
}
.hs-form .form-control {
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--hs-rand);
  border-radius: var(--hs-radius-klein);
  color: var(--hs-tekst);
  padding: 0.75rem 1rem;
  transition: border-color var(--hs-snel) var(--hs-ease),
    box-shadow var(--hs-snel) var(--hs-ease);
}
.hs-form .form-control::placeholder {
  color: var(--hs-tekst-stil);
}
.hs-form .form-control:focus {
  background: rgba(255, 255, 255, 0.06);
  border-color: var(--hs-accent);
  box-shadow: 0 0 0 4px var(--hs-accent-zacht);
}

/* ---------- 8. Lopende tekst (projectpagina's) ---------- */
.hs-prose {
  max-width: 46rem;
  line-height: 1.7;
  color: var(--hs-tekst-zacht);
}
.hs-prose h2 {
  margin: 2.5rem 0 0.75rem;
  font-weight: 700;
  font-size: 1.4rem;
  letter-spacing: -0.01em;
  color: var(--hs-tekst);
}

/* ---------- 9. Toegankelijkheid ---------- */
@media (prefers-reduced-motion: reduce) {
  .hs-card,
  .hs-link span,
  .hs-back span {
    transition: none;
  }
  .hs-card--hover:hover,
  a.hs-card:hover,
  a.hs-card:active,
  .hs-link:hover span,
  .hs-back:hover span {
    transform: none;
  }
}
@media (prefers-contrast: more) {
  :root {
    --hs-rand: rgba(255, 255, 255, 0.5);
    --hs-tekst-zacht: #fff;
    --hs-tekst-stil: rgba(255, 255, 255, 0.8);
  }
  .hs-card {
    background: #111;
  }
}