/* Zetadesk marketing-site — statisch, geen build-step.
   Kleuren komen uit het gedeelde Mantine-thema (frontend/packages/ui/src/theme.ts). */

:root {
  --zeta-0: #eef3ff;
  --zeta-1: #dce4f5;
  --zeta-3: #94a8d0;
  --zeta-5: #5f7cb8;
  --zeta-7: #44639f;
  --zeta-9: #2c4b80;
  --ink: #1c2b45;
  --ink-soft: #4a5872;
  --bg: #ffffff;
  --bg-soft: #f6f8fc;
  --border: #e3e9f4;
  --radius: 12px;
  --shadow: 0 10px 30px rgba(44, 75, 128, 0.12);
  --maxw: 1080px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
}

.container {
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Header ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}

.site-header .container {
  display: flex;
  align-items: center;
  gap: 28px;
  height: 64px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--zeta-9);
  text-decoration: none;
  letter-spacing: -0.02em;
}

.brand svg { display: block; }

.site-nav {
  display: flex;
  align-items: center;
  gap: 22px;
  margin-left: auto;
}

/* :not(.btn): de CTA-knop in de nav houdt zijn eigen (witte) tekstkleur. */
.site-nav a:not(.btn) {
  color: var(--ink-soft);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
}

.site-nav a:not(.btn):hover { color: var(--zeta-9); }
.site-nav a.active { color: var(--zeta-9); font-weight: 600; }

.nav-toggle {
  display: none;
  margin-left: auto;
  background: none;
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 1.2rem;
  color: var(--zeta-9);
  cursor: pointer;
}

/* ---------- Knoppen ---------- */

.btn {
  display: inline-block;
  padding: 11px 22px;
  border-radius: 10px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.btn-primary {
  background: var(--zeta-9);
  color: #fff;
}
.btn-primary:hover { background: var(--zeta-7); }

.btn-ghost {
  background: transparent;
  color: var(--zeta-9);
  border-color: var(--zeta-3);
}
.btn-ghost:hover { border-color: var(--zeta-9); background: var(--zeta-0); }

.btn-light {
  background: #fff;
  color: var(--zeta-9);
}
.btn-light:hover { background: var(--zeta-0); }

/* ---------- Hero ---------- */

.hero {
  background: linear-gradient(160deg, var(--zeta-0) 0%, #ffffff 55%);
  border-bottom: 1px solid var(--border);
}

.hero .container {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 48px;
  align-items: center;
  padding-top: 72px;
  padding-bottom: 80px;
}

.hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.15;
  margin: 0 0 18px;
  letter-spacing: -0.03em;
}

.hero h1 em {
  font-style: normal;
  color: var(--zeta-7);
}

.hero p.lead {
  font-size: 1.15rem;
  color: var(--ink-soft);
  margin: 0 0 28px;
  max-width: 34em;
}

.hero-cta { display: flex; gap: 14px; flex-wrap: wrap; }

/* CSS-mockup van het agent-scherm — geen screenshots nodig */

.mock {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  font-size: 0.78rem;
}

.mock-titlebar {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 9px 12px;
  background: var(--bg-soft);
  border-bottom: 1px solid var(--border);
}

.mock-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--zeta-1); }
.mock-url {
  margin-left: 10px;
  flex: 1;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 3px 10px;
  color: var(--ink-soft);
}

.mock-topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  background: var(--zeta-9);
  color: #fff;
}

.mock-topbar .spacer { flex: 1; }

.mock-pill {
  padding: 3px 10px;
  border-radius: 99px;
  background: rgba(255, 255, 255, 0.16);
  font-weight: 600;
}

.mock-pill.groen { background: #2f9e44; }

.mock-body { display: grid; grid-template-columns: 1fr 1.2fr; }

.mock-panel { padding: 14px; }
.mock-panel + .mock-panel { border-left: 1px solid var(--border); }

.mock-panel h4 {
  margin: 0 0 10px;
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--ink-soft);
}

.mock-row {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  margin-bottom: 8px;
  background: #fff;
}

.mock-row .grow { flex: 1; }
.mock-row small { color: var(--ink-soft); }

.mock-badge {
  padding: 2px 8px;
  border-radius: 99px;
  background: var(--zeta-0);
  color: var(--zeta-9);
  font-weight: 600;
  white-space: nowrap;
}

.mock-badge.bel { background: #e6f7ec; color: #2f9e44; }

/* ---------- Secties ---------- */

section { padding: 72px 0; }

section.alt { background: var(--bg-soft); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

.section-head { max-width: 44em; margin-bottom: 40px; }

.section-head h2 {
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.section-head p { color: var(--ink-soft); margin: 0; font-size: 1.05rem; }

.kicker {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--zeta-5);
  margin-bottom: 10px;
}

/* Feature-grid */

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.card .icon {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--zeta-0);
  color: var(--zeta-9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
}

.card h3 { margin: 0 0 8px; font-size: 1.05rem; }
.card p { margin: 0; color: var(--ink-soft); font-size: 0.95rem; }

/* Twee-koloms blokken (ZetaDesk / ZetaBeheer) */

.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.split .card h3 { font-size: 1.2rem; }

.split ul { margin: 12px 0 0; padding-left: 20px; color: var(--ink-soft); }
.split li { margin-bottom: 6px; }

/* USP-strip */

.usps {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  justify-content: space-between;
}

.usp { flex: 1 1 200px; }
.usp strong { display: block; font-size: 1.05rem; color: var(--zeta-9); margin-bottom: 4px; }
.usp span { color: var(--ink-soft); font-size: 0.95rem; }

/* CTA-banner */

.cta-banner {
  background: linear-gradient(135deg, var(--zeta-9), var(--zeta-7));
  border-radius: 16px;
  color: #fff;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
}

.cta-banner h2 { margin: 0 0 6px; letter-spacing: -0.02em; }
.cta-banner p { margin: 0; opacity: 0.85; }

/* ---------- Techniek-pagina ---------- */

.arch {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow);
}

.arch svg { width: 100%; height: auto; display: block; }

.stack-list { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }

.stack-item {
  display: flex;
  gap: 14px;
  padding: 20px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
}

.stack-item .icon {
  flex: 0 0 42px;
  height: 42px;
  border-radius: 10px;
  background: var(--zeta-0);
  color: var(--zeta-9);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
}

.stack-item h3 { margin: 0 0 6px; font-size: 1rem; }
.stack-item p { margin: 0; color: var(--ink-soft); font-size: 0.92rem; }

/* ---------- Contact-pagina ---------- */

.contact-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 40px;
  align-items: start;
}

.form-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
}

.field { margin-bottom: 18px; }

.field label {
  display: block;
  font-weight: 600;
  font-size: 0.9rem;
  margin-bottom: 6px;
}

.field input,
.field textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font: inherit;
  color: var(--ink);
  background: #fff;
}

.field input:focus,
.field textarea:focus {
  outline: 2px solid var(--zeta-3);
  border-color: var(--zeta-5);
}

.contact-aside .card { margin-bottom: 16px; }
.contact-aside a { color: var(--zeta-7); font-weight: 600; text-decoration: none; }
.contact-aside a:hover { text-decoration: underline; }

.form-note { font-size: 0.85rem; color: var(--ink-soft); margin-top: 12px; }

/* ---------- Footer ---------- */

.site-footer {
  border-top: 1px solid var(--border);
  background: var(--bg-soft);
  padding: 36px 0;
  color: var(--ink-soft);
  font-size: 0.9rem;
}

.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.site-footer nav { display: flex; gap: 18px; }
.site-footer a { color: var(--ink-soft); text-decoration: none; }
.site-footer a:hover { color: var(--zeta-9); }

/* ---------- Responsief ---------- */

@media (max-width: 860px) {
  .hero .container { grid-template-columns: 1fr; padding-top: 48px; padding-bottom: 56px; }
  .grid { grid-template-columns: 1fr 1fr; }
  .stack-list { grid-template-columns: 1fr; }
  .split { grid-template-columns: 1fr; }
  .contact-grid { grid-template-columns: 1fr; }

  .nav-toggle { display: block; }
  .site-nav {
    display: none;
    position: absolute;
    top: 64px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 12px 24px 18px;
    gap: 14px;
  }
  .site-nav.open { display: flex; }
}

@media (max-width: 560px) {
  .grid { grid-template-columns: 1fr; }
  .cta-banner { padding: 32px 24px; }
}