/* ============================================================
   Theoriebriljant — publieke pagina's
   Bento Solid: solide kaarten, warm-wit canvas, soft 3D shadows.
   GEEN backdrop-filter, GEEN transparency-kaarten, GEEN halo-glows.
   ============================================================ */

/* ---------- Tokens ---------- */
:root {
  /* Brand */
  --orange: #F97316;
  --orange-deep: #C2410C;
  --orange-hover: #EA580C;
  --orange-light: #FB923C;

  --purple: #8B5CF6;
  --purple-deep: #6D28D9;
  --magenta: #EC4899;
  --magenta-deep: #BE185D;
  --green: #10B981;
  --amber: #F59E0B;

  /* Surfaces */
  --canvas: #FFFCFA;     /* warm-wit page background */
  --card: #FFFFFF;
  --line: #F1ECE5;       /* subtle card-border */

  /* Ink */
  --ink: #1F2937;
  --ink-2: #4B5563;
  --ink-3: #9CA3AF;
  --ink-4: #6B7280;

  /* Brand gradient — zuinig: alleen logo, hero-mesh, accent-strips */
  --brand-gradient: linear-gradient(135deg, #FB923C 0%, #F97316 50%, #EA580C 100%);

  /* Shadows */
  --shadow-card: 0 1px 2px rgba(15,23,42,0.05), 0 4px 12px rgba(15,23,42,0.04);
  --shadow-card-hover: 0 4px 12px rgba(15,23,42,0.08), 0 12px 32px rgba(15,23,42,0.06);
  --shadow-press-primary: 0 4px 0 #C2410C, 0 12px 24px -8px rgba(249,115,22,0.40);
  --shadow-press-secondary: 0 4px 0 #6D28D9, 0 12px 24px -8px rgba(139,92,246,0.40);
  --shadow-press-accent: 0 4px 0 #BE185D, 0 12px 24px -8px rgba(236,72,153,0.40);

  /* Motion */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-out:    cubic-bezier(0.16, 1, 0.3, 1);
  --t-fast: 150ms;
  --t-base: 250ms;
  --t-slow: 400ms;

  /* Section accent (overridden per-section) */
  --accent: var(--orange);
  --accent-rgb: 249, 115, 22;
}

/* ---------- Reset & base ---------- */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.6;
  font-weight: 400;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4, p, figure, blockquote { margin: 0; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: 0; background: none; color: inherit; }
input, textarea, select { font: inherit; }

/* ---------- Type scale ---------- */
.display {
  font-weight: 800;
  font-size: clamp(2rem, 4.4vw + 0.5rem, 3.5rem);
  line-height: 1.05;
  letter-spacing: -0.025em;
}
.heading {
  font-weight: 700;
  font-size: clamp(1.5rem, 1.6vw + 1rem, 2rem);
  line-height: 1.15;
  letter-spacing: -0.015em;
}
.subheading {
  font-weight: 700;
  font-size: clamp(1.125rem, 0.3vw + 1rem, 1.25rem);
  line-height: 1.25;
  letter-spacing: -0.01em;
}
.lead {
  font-weight: 500;
  font-size: clamp(1rem, 0.5vw + 0.9rem, 1.125rem);
  line-height: 1.55;
  color: var(--ink-2);
}
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 600;
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--accent);
}
.eyebrow::before {
  content: "";
  width: 18px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.caption {
  font-size: 0.875rem;
  color: var(--ink-3);
}
.stat-num {
  font-weight: 800;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
}

/* ---------- Layout primitives ---------- */
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}
@media (min-width: 640px)  { .container { padding: 0 32px; } }
@media (min-width: 1024px) { .container { padding: 0 64px; } }

section { padding: 64px 0; }
@media (min-width: 1024px) { section { padding: 96px 0; } }

.section-head {
  max-width: 720px;
  margin: 0 auto 40px;
  text-align: center;
}
.section-head .heading { margin-top: 10px; }
.section-head .lead { margin-top: 14px; }

/* ---------- Accent system ----------
   Per section: override --accent + --accent-rgb on a wrapper.
   Accent shows up only in: 4px-strip, icon-block, eyebrow,
   text-arrow link, and a subtle radial section-tint.
*/
.s-orange  { --accent: #F97316; --accent-rgb: 249,115,22;  --accent-deep: #C2410C; }
.s-magenta { --accent: #EC4899; --accent-rgb: 236,72,153;  --accent-deep: #BE185D; }
.s-purple  { --accent: #8B5CF6; --accent-rgb: 139,92,246;  --accent-deep: #6D28D9; }
.s-green   { --accent: #10B981; --accent-rgb: 16,185,129;  --accent-deep: #047857; }
.s-amber   { --accent: #F59E0B; --accent-rgb: 245,158,11;  --accent-deep: #B45309; }
.s-neutral { --accent: #4B5563; --accent-rgb: 75,85,99;    --accent-deep: #1F2937; }

/* section-accent applied as 4% radial-tint, not flat color, to keep canvas warm */
.section-tint {
  background:
    radial-gradient(ellipse 80% 50% at 50% 0%, rgba(var(--accent-rgb), 0.05), transparent 70%),
    var(--canvas);
}

/* ---------- Cards ---------- */
.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 24px;
  box-shadow: var(--shadow-card);
  transition: transform var(--t-base) var(--ease-spring),
              box-shadow var(--t-base) var(--ease-out);
}
@media (min-width: 1024px) { .card { padding: 28px; } }
.card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-card-hover);
}
.card--hero {
  border-radius: 28px;
  padding: 28px;
}
@media (min-width: 1024px) { .card--hero { padding: 40px; } }
.card--hero:hover { transform: translateY(-4px); }

/* 4px accent-strip bovenkant van hero-tegel */
.card--strip { padding-top: 32px; }
.card--strip::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--accent);
  border-radius: 28px 28px 0 0;
}
.card--strip-grad::before {
  background: var(--brand-gradient);
}

/* Card anatomy spacing */
.card .eyebrow + .heading,
.card .eyebrow + .subheading,
.card .eyebrow + .display { margin-top: 12px; }
.card .heading + p, .card .subheading + p, .card .display + p { margin-top: 12px; color: var(--ink-2); }
.card .cta-row { margin-top: 24px; display: flex; flex-wrap: wrap; gap: 12px; align-items: center; }

/* ---------- Icon block ---------- */
.icon-block {
  width: 56px; height: 56px;
  border-radius: 16px;
  background: rgba(var(--accent-rgb), 0.10);
  color: var(--accent);
  display: grid; place-items: center;
  flex-shrink: 0;
}
.icon-block svg { width: 28px; height: 28px; stroke-width: 2; }

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  min-height: 48px;
  padding: 14px 24px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.005em;
  transition: transform var(--t-fast) var(--ease-spring),
              box-shadow var(--t-fast) var(--ease-out),
              background var(--t-fast) var(--ease-out),
              border-color var(--t-fast) var(--ease-out);
  white-space: nowrap;
}
.btn:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}
.btn--primary {
  background: var(--orange);
  color: #fff;
  box-shadow: var(--shadow-press-primary);
}
.btn--primary:hover { transform: translateY(-2px); }
.btn--primary:active {
  transform: translateY(2px);
  box-shadow: 0 1px 0 var(--orange-deep);
}
.btn--ghost {
  background: transparent;
  color: var(--ink);
  border: 1px solid #E5E7EB;
}
.btn--ghost:hover {
  background: #F9FAFB;
  border-color: #D1D5DB;
}
.btn--lg { min-height: 56px; padding: 16px 28px; font-size: 1.0625rem; }

/* Tertiary text-arrow link (accent color) */
.tlink {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--accent);
  font-weight: 600;
  font-size: 0.9375rem;
  transition: gap var(--t-base) var(--ease-spring), color var(--t-fast) var(--ease-out);
}
.tlink:hover { gap: 10px; text-decoration: underline; }
.tlink svg { width: 16px; height: 16px; }

/* ---------- Badges, pills, trust ---------- */
.pill {
  display: inline-flex; align-items: center; gap: 8px;
  height: 36px; padding: 0 14px;
  border-radius: 9999px;
  background: #fff;
  border: 1px solid var(--line);
  font-size: 0.875rem;
  color: var(--ink-2);
  box-shadow: 0 1px 2px rgba(15,23,42,0.04);
}
.pill strong { color: var(--ink); font-weight: 700; }
.stars { color: var(--amber); letter-spacing: 1px; font-size: 0.95rem; }

/* ---------- Focus ring default ---------- */
:where(a, button, summary, input, textarea, select):focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
  border-radius: 6px;
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    transition-duration: 0.001ms !important;
  }
  .card:hover, .card--hero:hover, .btn--primary:hover { transform: none; }
}