/* In Control Techniek — globale stijl */

:root {
  --navy: #0d2a47;
  --navy-dark: #081b30;
  --steel: #4b5d70;
  --grey-100: #f2f4f6;
  --grey-200: #e1e5ea;
  --grey-600: #5b6670;
  --text: #15202b;
  --white: #ffffff;
  /* Oranje uitsluitend voor call-to-action knoppen en actieve states */
  --cta: #ff6a13;
  --cta-hover: #e85a05;
  --radius: 10px;
  --max: 1200px;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  color: var(--text);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { display: block; max-width: 100%; }

a { color: inherit; }

.container {
  width: 100%;
  max-width: var(--max);
  margin: 0 auto;
  padding: 0 20px;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 24px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 16px;
  text-decoration: none;
  border: 2px solid transparent;
  transition: background-color 0.15s ease, border-color 0.15s ease, color 0.15s ease;
  cursor: pointer;
}

.btn-cta {
  background: var(--cta);
  color: var(--white);
}
.btn-cta:hover { background: var(--cta-hover); }
.btn-cta:focus-visible { outline: 3px solid var(--navy); outline-offset: 3px; }

.btn-outline {
  background: transparent;
  color: var(--white);
  border-color: rgba(255, 255, 255, 0.6);
}
.btn-outline:hover { border-color: var(--white); }

.btn-outline-dark {
  background: transparent;
  color: var(--navy);
  border-color: var(--navy);
}
.btn-outline-dark:hover { background: var(--navy); color: var(--white); }

/* ---------- Navigatie ---------- */

.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: var(--navy);
  color: var(--white);
}

.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 72px;
  gap: 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 18px;
  letter-spacing: -0.01em;
  text-decoration: none;
  color: var(--white);
}

.logo-mark {
  width: 28px;
  height: 28px;
  border: 3px solid var(--white);
  border-radius: 6px;
  position: relative;
}
.logo-mark::after {
  content: "";
  position: absolute;
  inset: 5px;
  background: var(--white);
  border-radius: 2px;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 28px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  color: rgba(255, 255, 255, 0.85);
}
.nav-links a:hover { color: var(--white); }

.nav-cta { padding: 10px 18px !important; font-size: 15px !important; }

.nav-toggle {
  display: none;
  background: none;
  border: 0;
  color: var(--white);
  font-size: 28px;
  cursor: pointer;
  padding: 4px 8px;
}

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

section { padding: 88px 0; }

.section-head {
  max-width: 680px;
  margin-bottom: 48px;
}

.eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--steel);
  margin-bottom: 12px;
}

h1, h2, h3 {
  color: var(--navy);
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0 0 16px;
}

h2 { font-size: clamp(28px, 4vw, 40px); }
h3 { font-size: 20px; letter-spacing: -0.01em; }

.lead {
  font-size: 18px;
  color: var(--grey-600);
  margin: 0;
}

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

.site-footer {
  background: var(--navy-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 32px;
  font-size: 15px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 40px;
}

.site-footer h4 {
  color: var(--white);
  font-size: 14px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin: 0 0 16px;
}

.site-footer ul { list-style: none; margin: 0; padding: 0; }
.site-footer li { margin-bottom: 10px; }
.site-footer a { text-decoration: none; color: rgba(255, 255, 255, 0.75); }
.site-footer a:hover { color: var(--white); }

.site-footer .logo { margin-bottom: 16px; }

.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.12);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
}

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

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 760px) {
  section { padding: 64px 0; }

  .nav-toggle { display: block; }

  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    flex-direction: column;
    align-items: stretch;
    gap: 0;
    background: var(--navy);
    padding: 8px 20px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
  }
  .nav-links.is-open { display: flex; }
  .nav-links li a { display: block; padding: 14px 0; }
  .nav-cta { text-align: center; margin-top: 8px; }

  .footer-grid { grid-template-columns: 1fr; }
}