/* === RESET + BASE + UTILITIES — Esthé Nirvâna === */

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  -webkit-text-size-adjust: none;
  text-size-adjust: none;
  -webkit-font-smoothing: antialiased;
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--nav-height-desktop) + var(--space-4));
  transition: background-color var(--transition-interactive), color var(--transition-interactive);
  /* Vangnet — geen horizontale scroll. Als iets breder wordt dan viewport, worden mobiele
     browsers gedwongen initial-scale uit te zoomen. Deze regel voorkomt dat. */
  overflow-x: hidden;
}

body {
  min-height: 100dvh;
  font-family: var(--font-body);
  font-size: var(--text-base);
  color: var(--color-text);
  background-color: var(--color-bg);
  line-height: 1.65;
  transition: background-color var(--transition-interactive), color var(--transition-interactive);
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

img, video, svg {
  display: block;
  max-width: 100%;
  height: auto;
}

h1, h2, h3, h4, h5 {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-text);
  text-wrap: balance;
  line-height: 1.15;
}

p, li {
  text-wrap: pretty;
  max-width: 72ch;
}

a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-primary-hover); text-decoration: underline; }

input, button, textarea, select { font: inherit; }
button { cursor: pointer; background: none; border: none; color: inherit; }

::selection {
  background: color-mix(in oklab, var(--color-primary) 22%, transparent);
  color: var(--color-text);
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* === CONTAINER === */
.container {
  max-width: var(--content-default);
  margin-inline: auto;
  padding-inline: clamp(var(--space-4), 5vw, var(--space-12));
}
.container--narrow { max-width: var(--content-narrow); margin-inline: auto; }
.container--wide   { max-width: var(--content-wide);   margin-inline: auto; padding-inline: clamp(var(--space-4), 5vw, var(--space-12)); }

/* === SECTIE === */
section {
  padding-block: clamp(var(--space-12), 8vw, var(--space-24));
}

/* Sectie-achtergronden */
.bg-base     { background: var(--color-bg); }
.bg-surface  { background: var(--color-surface); }
.bg-surface-2 { background: var(--color-surface-2); }
.bg-offset   { background: var(--color-surface-offset); }
.bg-accent {
  background: var(--color-primary);
  color: var(--color-text-inverse);
}
.bg-dark {
  background: var(--footer-bg);
  color: var(--color-text-inverse);
}

/* === TYPOGRAFIE === */
.eyebrow {
  display: inline-block;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-primary);
}

h1 { font-size: var(--text-3xl); }
h2 { font-size: var(--text-2xl); }
h3 { font-size: var(--text-lg); font-family: var(--font-body); font-weight: 600; }
h4 { font-size: var(--text-base); font-family: var(--font-body); font-weight: 600; }

.lead {
  font-size: var(--text-lg);
  color: var(--color-text-muted);
  max-width: 55ch;
  line-height: 1.6;
}

.muted { color: var(--color-text-muted); }
.faint { color: var(--color-text-faint); }
.serif { font-family: var(--font-display); }
.italic { font-style: italic; }

/* === SECTION STACK (3.10) === */
.section-stack {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}
.section-stack > .eyebrow    { margin-bottom: var(--space-3); }
.section-stack > h2          { margin-bottom: var(--space-4); }
.section-stack > .lead       { margin-bottom: var(--space-10); }
.section-stack > .stack-body { margin-bottom: var(--space-12); width: 100%; }
.section-stack > .stack-cta  { margin-top: 0; }
.section-stack.no-lead > h2  { margin-bottom: var(--space-8); }

.section-stack.intro-narrow > .eyebrow,
.section-stack.intro-narrow > h2,
.section-stack.intro-narrow > .lead {
  max-width: var(--content-narrow);
}

.section-stack.center {
  align-items: center;
  text-align: center;
}
.section-stack.center > .lead { margin-inline: auto; }

/* Solo-sectie zonder visuele partner rechts — intro gecentreerd, grid eronder container-breed.
   Regel 3.10 3a: gebruik intro-center op alle secties zónder side-by-side beeld (diensten, features,
   faq, prijzen, cta-band, contact-block, testimonials-grid, google-reviews). Split-secties (hero,
   over-ons) blijven intro-narrow. */
.section-stack.intro-center {
  align-items: center;
  text-align: center;
}
.section-stack.intro-center > .eyebrow,
.section-stack.intro-center > h2,
.section-stack.intro-center > .lead {
  max-width: var(--content-narrow);
  margin-inline: auto;
}
.section-stack.intro-center > .stack-body,
.section-stack.intro-center > .stack-cta { align-self: center; }

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-size: var(--text-sm);
  font-weight: 600;
  text-decoration: none;
  min-height: 48px;
  transition:
    background var(--transition-interactive),
    color var(--transition-interactive),
    box-shadow var(--transition-interactive),
    border-color var(--transition-interactive);
  white-space: nowrap;
  border: 2px solid transparent;
}
.btn:hover { text-decoration: none; }

.btn-primary {
  background: var(--color-primary);
  color: var(--color-text-inverse);
  border-color: var(--color-primary);
}
.btn-primary:hover        { background: var(--color-primary-hover); border-color: var(--color-primary-hover); box-shadow: var(--shadow-md); color: var(--color-text-inverse); }
.btn-primary:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
.btn-primary:active       { background: var(--color-primary-active); border-color: var(--color-primary-active); box-shadow: var(--shadow-sm); }
.btn-primary:disabled,
.btn-primary[aria-disabled="true"] {
  background: var(--color-text-faint);
  border-color: var(--color-text-faint);
  color: var(--color-surface-2);
  cursor: not-allowed;
  box-shadow: none;
}

.btn-outline {
  background: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}
.btn-outline:hover        { background: var(--color-primary-highlight); color: var(--color-primary-hover); }
.btn-outline:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
.btn-outline:active       { background: var(--color-primary-highlight); box-shadow: var(--shadow-sm); }
.btn-outline:disabled,
.btn-outline[aria-disabled="true"] {
  color: var(--color-text-faint);
  border-color: var(--color-text-faint);
  cursor: not-allowed;
}

.btn-ghost {
  background: transparent;
  color: var(--color-text-muted);
  border-color: transparent;
}
.btn-ghost:hover  { color: var(--color-text); background: var(--color-surface-offset); }
.btn-ghost:focus-visible { outline: 2px solid var(--color-primary); outline-offset: 3px; }
.btn-ghost:active { color: var(--color-text); background: var(--color-surface-offset); }

.btn-sm { padding: var(--space-2) var(--space-4); min-height: 40px; font-size: var(--text-xs); }

/* Op accent-band: inverse knop (3.12 — geen accent-op-accent) */
.bg-accent .btn-primary,
.cta-band .btn-primary {
  background: var(--color-surface-2);
  color: var(--color-primary);
  border-color: var(--color-surface-2);
}
.bg-accent .btn-primary:hover,
.cta-band .btn-primary:hover {
  background: var(--color-primary-highlight);
  border-color: var(--color-primary-highlight);
  color: var(--color-primary-active);
}

/* 3.14 regel 6 — outline-knop op accent-band ook inverse (transparant + witte border/tekst).
   Anders krijgt btn-outline accent-tekst en border = accent-op-accent, onzichtbaar. */
.bg-accent .btn-outline,
.cta-band .btn-outline {
  background: transparent;
  color: var(--color-text-inverse);
  border-color: var(--color-text-inverse);
}
.bg-accent .btn-outline:hover,
.cta-band .btn-outline:hover {
  background: color-mix(in oklab, var(--color-text-inverse) 12%, transparent);
  color: var(--color-text-inverse);
  border-color: var(--color-text-inverse);
}

/* === REVEAL (3.8) === */
.reveal {
  opacity: 0;
  transform: translateY(12px);
  transition:
    opacity var(--transition-reveal),
    transform var(--transition-reveal);
}
.reveal.is-visible {
  opacity: 1;
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .reveal { opacity: 1; transform: none; transition: none; }
}

/* === SR-only === */
.sr-only {
  position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0;
}