/* RS IT Solutions — public site. Geen framework; custom properties + grid/flex. */

:root {
  --blue: #2563eb;
  --blue-dark: #1d4ed8;
  --blue-soft: #eff6ff;
  --ink: #111827;
  --ink-soft: #4b5563;
  --line: #e5e7eb;
  --bg: #ffffff;
  --bg-alt: #f8fafc;
  --radius: 12px;
  --maxw: 1100px;
}

* { box-sizing: border-box; }
@media (prefers-reduced-motion: no-preference) {
  html { scroll-behavior: smooth; }
}
section[id] { scroll-margin-top: 80px; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 17px;
}

.container { max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container.narrow { max-width: 760px; }
.center { text-align: center; }

h1, h2, h3 { line-height: 1.2; margin: 0 0 0.5em; }
h1 { font-size: clamp(2.1rem, 5vw, 3.4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 3vw, 2.1rem); letter-spacing: -0.01em; }
h3 { font-size: 1.1rem; }
p { margin: 0 0 1em; }
a { color: var(--blue); }

.accent { color: var(--blue); }
.kicker {
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--blue);
  margin-bottom: 12px;
}
.lead { font-size: 1.15rem; color: var(--ink-soft); max-width: 640px; }

/* ── Header / nav ─────────────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.nav { display: flex; align-items: center; justify-content: space-between; height: 64px; gap: 16px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); font-weight: 700; }
.brand-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 32px; height: 32px; border-radius: 8px;
  background: var(--blue); color: #fff; font-weight: 800; font-size: 13px;
  letter-spacing: -0.02em;
}
.brand-mark.small { width: 24px; height: 24px; font-size: 10px; border-radius: 6px; margin-right: 8px; vertical-align: -6px; }

.skip-link {
  position: absolute; left: 16px; top: -100px; z-index: 100;
  background: var(--blue); color: #fff; padding: 10px 16px; border-radius: 8px;
  text-decoration: none; font-weight: 600;
}
.skip-link:focus { top: 12px; }
.nav-links { display: flex; align-items: center; gap: 22px; list-style: none; margin: 0; padding: 0; }
.nav-links a { color: var(--ink); text-decoration: none; font-size: 0.95rem; font-weight: 500; }
.nav-links a:hover { color: var(--blue); }
.nav-toggle { display: none; }

/* ── Knoppen ──────────────────────────────────────────────────────── */
.btn {
  display: inline-block; text-decoration: none; font-weight: 600;
  border-radius: 10px; padding: 12px 22px; border: 1px solid transparent;
  transition: background 0.15s ease, border-color 0.15s ease;
}
.btn-primary { background: var(--blue); color: #fff; }
.btn-primary:hover { background: var(--blue-dark); }
.btn-ghost { border-color: var(--line); color: var(--ink); background: #fff; }
.btn-ghost:hover { border-color: var(--blue); color: var(--blue); }
.btn-small { padding: 8px 16px; background: var(--blue); color: #fff !important; border-radius: 8px; }
.btn-large { padding: 16px 28px; font-size: 1.05rem; }

/* ── Hero ─────────────────────────────────────────────────────────── */
.hero {
  padding: 96px 0 72px;
  background:
    radial-gradient(1200px 500px at 80% -10%, var(--blue-soft), transparent 60%),
    var(--bg);
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin: 28px 0 20px; }
.hero-points { display: flex; gap: 24px; flex-wrap: wrap; list-style: none; padding: 0; margin: 0; color: var(--ink-soft); font-size: 0.95rem; }
.hero-points li::before { content: "✓"; color: var(--blue); font-weight: 700; margin-right: 8px; }

/* ── Secties ──────────────────────────────────────────────────────── */
.section { padding: 72px 0; }
.section-alt { background: var(--bg-alt); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.section-intro { color: var(--ink-soft); max-width: 640px; margin-bottom: 36px; }

/* ── Cards ────────────────────────────────────────────────────────── */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(280px, 100%), 1fr)); gap: 20px; }
.cards-3 { grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); }
.card {
  background: #fff; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 24px;
}
.card h3 { color: var(--ink); margin-bottom: 8px; }
.card p { color: var(--ink-soft); font-size: 0.97rem; margin: 0; }

/* ── Stappen ──────────────────────────────────────────────────────── */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(260px, 100%), 1fr)); gap: 20px; list-style: none; padding: 0; margin: 36px 0 0; counter-reset: step; }
.step { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.step-num {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px; border-radius: 50%;
  background: var(--blue); color: #fff; font-weight: 700; margin-bottom: 14px;
}
.step p { color: var(--ink-soft); font-size: 0.97rem; margin: 0; }

/* ── Split + checklist ───────────────────────────────────────────── */
.split { display: grid; grid-template-columns: 1.2fr 1fr; gap: 48px; align-items: center; }
.checklist { list-style: none; padding: 28px; margin: 0; background: var(--blue-soft); border-radius: var(--radius); border: 1px solid #dbeafe; }
.checklist li { padding: 8px 0; font-weight: 500; }
.checklist li::before { content: "✓"; color: var(--blue); font-weight: 800; margin-right: 10px; }

/* ── Contact ─────────────────────────────────────────────────────── */
.section-contact { background: linear-gradient(180deg, var(--bg), var(--blue-soft)); padding-bottom: 96px; }
.section-contact .lead { margin: 0 auto 28px; }

/* ── Footer ──────────────────────────────────────────────────────── */
.site-footer { border-top: 1px solid var(--line); padding: 28px 0; font-size: 0.9rem; color: var(--ink-soft); }
.footer-inner { display: flex; justify-content: space-between; align-items: center; gap: 16px; flex-wrap: wrap; }
.footer-links { display: flex; gap: 20px; list-style: none; margin: 0; padding: 0; }
.footer-links a { color: var(--ink-soft); text-decoration: none; }
.footer-links a:hover { color: var(--blue); }

/* ── Privacy-pagina ──────────────────────────────────────────────── */
.prose { max-width: 720px; margin: 0 auto; padding: 64px 24px; }
.prose h1 { font-size: 2rem; }
.prose h2 { font-size: 1.2rem; margin-top: 2em; }

/* ── Mobiel ──────────────────────────────────────────────────────── */
@media (max-width: 820px) {
  .nav-toggle {
    display: inline-block; background: #fff; border: 1px solid var(--line);
    border-radius: 8px; padding: 8px 14px; font-weight: 600; cursor: pointer;
  }
  .nav-links {
    display: none; position: absolute; top: 64px; left: 0; right: 0;
    flex-direction: column; align-items: flex-start; gap: 0;
    background: #fff; border-bottom: 1px solid var(--line); padding: 8px 24px 16px;
  }
  .nav-links.open { display: flex; }
  .nav-links li { width: 100%; padding: 10px 0; }
  .split { grid-template-columns: 1fr; gap: 28px; }
  .hero { padding: 64px 0 56px; }
  .section { padding: 56px 0; }
}