/* CyberSecu.nl marketing site - schoner ontwerp dan het product zelf */

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

:root {
  --bg: #ffffff;
  --bg-soft: #f6f8fb;
  --bg-elev: #ffffff;
  --border: #e6ebf2;
  --border-strong: #c8d2e0;
  --text: #0c1428;
  --text-soft: #475569;
  --text-dim: #94a3b8;
  --cyan: #0891b2;
  --cyan-dark: #0e7490;
  --cyan-soft: #ecfeff;
  --green: #16a34a;
  --green-soft: #f0fdf4;
  --amber: #d97706;
  --amber-soft: #fffbeb;
  --red: #dc2626;
  --shadow-sm: 0 1px 2px rgba(15, 23, 42, 0.04);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 32px rgba(15, 23, 42, 0.08);
  --radius: 12px;
  --radius-sm: 8px;
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SF Mono', monospace;
  --t: 0.18s ease;
}

html, body {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  scroll-behavior: smooth;
}

a { color: var(--cyan); text-decoration: none; }
a:hover { color: var(--cyan-dark); }

/* === LAYOUT === */
.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}
.container-sm { max-width: 720px; margin: 0 auto; padding: 0 24px; }

main { min-height: calc(100vh - 320px); }

section { padding: 80px 0; }
section.sm { padding: 48px 0; }

/* === NAV === */
.topnav {
  position: sticky;
  top: 0;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
  z-index: 100;
}
.topnav-inner {
  max-width: 1140px;
  margin: 0 auto;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 28px;
}
.brand {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.brand-dot {
  width: 10px;
  height: 10px;
  background: var(--cyan);
  border-radius: 50%;
}
.brand:hover { color: var(--cyan); }
.nav-links {
  list-style: none;
  display: flex;
  gap: 24px;
  margin-left: auto;
  align-items: center;
}
.nav-links a {
  color: var(--text-soft);
  font-size: 14px;
  font-weight: 500;
  transition: color var(--t);
}
.nav-links a:hover { color: var(--cyan); }
.nav-cta {
  background: var(--cyan);
  color: white !important;
  padding: 8px 16px;
  border-radius: 6px;
  font-weight: 600;
}
.nav-cta:hover { background: var(--cyan-dark); color: white; }

@media (max-width: 760px) {
  .nav-links { gap: 14px; }
  .nav-links a:not(.nav-cta) { display: none; }
}

/* === HERO === */
.hero {
  padding: 100px 0 80px;
  background:
    radial-gradient(ellipse at top right, var(--cyan-soft), transparent 50%),
    radial-gradient(ellipse at bottom left, var(--green-soft), transparent 60%),
    var(--bg);
  text-align: center;
}
.hero-eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-dark);
  margin-bottom: 16px;
}
.hero h1 {
  font-size: clamp(32px, 5vw, 56px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.05;
  margin-bottom: 20px;
  color: var(--text);
}
.hero h1 .accent { color: var(--cyan); }
.hero p.lead {
  font-size: 19px;
  line-height: 1.55;
  color: var(--text-soft);
  max-width: 640px;
  margin: 0 auto 32px;
}
.hero-cta {
  display: flex;
  gap: 12px;
  justify-content: center;
  flex-wrap: wrap;
}

/* === BUTTONS === */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 22px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 600;
  font-family: var(--font-sans);
  text-decoration: none;
  cursor: pointer;
  border: none;
  transition: transform var(--t), box-shadow var(--t), background var(--t);
}
.btn-primary {
  background: var(--cyan);
  color: white;
  box-shadow: var(--shadow-sm);
}
.btn-primary:hover {
  background: var(--cyan-dark);
  color: white;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn-ghost {
  background: white;
  color: var(--text);
  border: 1px solid var(--border-strong);
}
.btn-ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  transform: translateY(-1px);
}
.btn-green {
  background: var(--green);
  color: white;
}
.btn-green:hover { background: #15803d; color: white; }
.btn-block { width: 100%; justify-content: center; }
.btn-large { padding: 16px 28px; font-size: 17px; }

/* === STAT STRIP === */
.stat-strip {
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 28px;
  padding: 36px 0;
  text-align: center;
}
.stat strong {
  display: block;
  font-family: var(--font-mono);
  font-size: 36px;
  font-weight: 800;
  color: var(--cyan);
  letter-spacing: -0.02em;
  margin-bottom: 4px;
}
.stat span {
  font-size: 13px;
  color: var(--text-soft);
  font-weight: 500;
}

/* === SECTION HEAD === */
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}
.section-head .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-dark);
  margin-bottom: 12px;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.025em;
  line-height: 1.15;
  margin-bottom: 16px;
  color: var(--text);
}
.section-head p {
  font-size: 17px;
  color: var(--text-soft);
}

/* === FEATURE GRID === */
.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 28px;
}
.feature {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: transform var(--t), box-shadow var(--t), border-color var(--t);
}
.feature:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
  border-color: var(--cyan);
}
.feature-icon {
  display: inline-flex;
  width: 48px;
  height: 48px;
  background: var(--cyan-soft);
  color: var(--cyan-dark);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.04em;
  margin-bottom: 18px;
}
.feature h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text);
}
.feature p {
  color: var(--text-soft);
  font-size: 15px;
  line-height: 1.55;
}

/* === TRACK CARDS === */
.tracks-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}
.track-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  transition: all var(--t);
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.track-card:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}
.track-card-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
  letter-spacing: 0.12em;
}
.track-card h4 {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}
.track-card p {
  font-size: 14px;
  color: var(--text-soft);
  line-height: 1.5;
}
.track-card-meta {
  display: flex;
  gap: 14px;
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--text-dim);
}
.track-card-meta strong { color: var(--cyan); }

/* === PRICING === */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
  max-width: 1000px;
  margin: 0 auto;
}
.price-card {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  display: flex;
  flex-direction: column;
  position: relative;
  transition: all var(--t);
}
.price-card.featured {
  border: 2px solid var(--cyan);
  box-shadow: 0 4px 32px rgba(8, 145, 178, 0.16);
  transform: scale(1.02);
}
.price-card.featured::before {
  content: 'Aanbevolen';
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--cyan);
  color: white;
  padding: 4px 12px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.05em;
}
.price-tier {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan-dark);
  margin-bottom: 10px;
}
.price-amount {
  display: flex;
  align-items: baseline;
  gap: 6px;
  margin-bottom: 8px;
}
.price-amount .num {
  font-family: var(--font-mono);
  font-size: 42px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.02em;
}
.price-amount .period {
  font-size: 14px;
  color: var(--text-soft);
}
.price-target {
  font-size: 14px;
  color: var(--text-soft);
  margin-bottom: 24px;
}
.price-features {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.price-features li {
  display: flex;
  gap: 10px;
  font-size: 14px;
  color: var(--text);
  line-height: 1.4;
}
.price-features li::before {
  content: '✓';
  color: var(--green);
  font-weight: 700;
  flex-shrink: 0;
}
.price-features li.disabled {
  color: var(--text-dim);
}
.price-features li.disabled::before {
  content: '—';
  color: var(--text-dim);
}
.price-card .btn {
  margin-top: auto;
}

/* === DEMO PANEL === */
.demo-strip {
  background: linear-gradient(135deg, var(--cyan-soft), white);
  padding: 60px 0;
}
.demo-strip .container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}
@media (max-width: 760px) {
  .demo-strip .container { grid-template-columns: 1fr; }
}
.demo-text h2 {
  font-size: clamp(26px, 3.5vw, 36px);
  margin-bottom: 16px;
  color: var(--text);
}
.demo-text p {
  font-size: 17px;
  color: var(--text-soft);
  margin-bottom: 24px;
}
.demo-image {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-soft);
}
.demo-image-label {
  display: inline-block;
  background: var(--cyan-soft);
  color: var(--cyan-dark);
  padding: 3px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 10px;
}

/* === KD-COMPLIANCE === */
.kd-block {
  background: var(--bg-soft);
  border-radius: var(--radius);
  padding: 32px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
  align-items: center;
}
@media (max-width: 760px) {
  .kd-block { grid-template-columns: 1fr; }
}
.kd-block h3 {
  font-size: 24px;
  margin-bottom: 12px;
}
.kd-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.kd-list li {
  display: flex;
  gap: 10px;
  font-size: 14px;
}
.kd-code {
  font-family: var(--font-mono);
  background: white;
  color: var(--cyan-dark);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 700;
  align-self: flex-start;
  flex-shrink: 0;
  border: 1px solid var(--border);
}

/* === CTA SECTION === */
.cta-section {
  background: linear-gradient(135deg, var(--text), #1e2940);
  color: white;
  padding: 80px 0;
  text-align: center;
}
.cta-section h2 {
  font-size: clamp(28px, 4vw, 42px);
  color: white;
  margin-bottom: 16px;
}
.cta-section p {
  font-size: 18px;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 32px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}
.cta-section .btn-ghost {
  background: transparent;
  color: white;
  border-color: rgba(255, 255, 255, 0.3);
}
.cta-section .btn-ghost:hover {
  border-color: white;
  background: rgba(255, 255, 255, 0.1);
  color: white;
}

/* === FOOTER === */
.footer {
  background: var(--text);
  color: rgba(255, 255, 255, 0.7);
  padding: 60px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
@media (max-width: 760px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
.footer-brand {
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  color: white;
  margin-bottom: 12px;
}
.footer p {
  font-size: 14px;
  line-height: 1.55;
}
.footer-col h5 {
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  margin-bottom: 14px;
  font-family: var(--font-mono);
}
.footer-col ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.footer-col a {
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
}
.footer-col a:hover { color: white; }
.footer-bottom {
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 13px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* === DEEP-CONTENT PAGES (privacy, voorwaarden, lesplannen) === */
.prose {
  max-width: 720px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
}
.prose h1 {
  font-size: 36px;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin: 0 0 12px;
}
.prose h2 {
  font-size: 24px;
  font-weight: 700;
  margin: 36px 0 12px;
  letter-spacing: -0.01em;
}
.prose h3 {
  font-size: 18px;
  font-weight: 600;
  margin: 24px 0 8px;
}
.prose p { margin-bottom: 14px; color: var(--text-soft); }
.prose ul, .prose ol {
  margin: 0 0 16px 24px;
  color: var(--text-soft);
}
.prose li { margin-bottom: 6px; }
.prose strong { color: var(--text); }
.prose a { font-weight: 500; }
.prose .lead {
  font-size: 18px;
  color: var(--text-soft);
  margin-bottom: 28px;
}
.prose .meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--border);
}

/* === CONTACT FORM === */
.contact-form {
  background: white;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  box-shadow: var(--shadow-sm);
}
.form-field {
  margin-bottom: 18px;
}
.form-field label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  margin-bottom: 6px;
  color: var(--text);
}
.form-field input, .form-field textarea, .form-field select {
  width: 100%;
  padding: 10px 14px;
  background: white;
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  font-family: var(--font-sans);
  font-size: 15px;
  color: var(--text);
}
.form-field input:focus, .form-field textarea:focus {
  outline: none;
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(8, 145, 178, 0.15);
}
.form-field textarea { min-height: 120px; resize: vertical; }
.form-help {
  font-size: 12px;
  color: var(--text-dim);
  margin-top: 4px;
}