/* =========================================
   BijlesHelper - Professionele Website CSS
   Kleuren: Blauw #1a5fa8 | Groen #4caf50
   ========================================= */

:root {
  --blauw: #1a5fa8;
  --blauw-donker: #134a84;
  --blauw-licht: #e8f1fb;
  --groen: #4caf50;
  --groen-donker: #388e3c;
  --groen-licht: #e8f5e9;
  --tekst: #2d3748;
  --tekst-licht: #718096;
  --wit: #ffffff;
  --achtergrond: #f7f9fc;
  --rand: #e2e8f0;
  --schaduw: 0 4px 20px rgba(0,0,0,0.08);
  --schaduw-hover: 0 8px 30px rgba(26,95,168,0.15);
  --radius: 12px;
  --radius-groot: 20px;
}

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

html { scroll-behavior: smooth; }

body {
  font-family: 'Poppins', 'Segoe UI', sans-serif;
  color: var(--tekst);
  background: var(--wit);
  line-height: 1.7;
  font-size: 16px;
}

/* ---- TYPOGRAFIE ---- */
h1, h2, h3, h4 { font-weight: 700; line-height: 1.25; color: var(--tekst); }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.5rem); }
p { margin-bottom: 1rem; color: var(--tekst-licht); }
a { text-decoration: none; color: var(--blauw); }
a:hover { color: var(--blauw-donker); }

/* ---- LAYOUT ---- */
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-alt { background: var(--achtergrond); }
.section-blauw { background: var(--blauw); color: var(--wit); }
.section-blauw h2, .section-blauw h3, .section-blauw p { color: var(--wit); }
.text-center { text-align: center; }

.section-label {
  display: inline-block;
  background: var(--groen-licht);
  color: var(--groen-donker);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-title { margin-bottom: 16px; }
.section-sub { font-size: 1.1rem; color: var(--tekst-licht); max-width: 640px; margin: 0 auto 48px; }

/* ---- NAVIGATIE ---- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: var(--wit);
  box-shadow: 0 2px 12px rgba(0,0,0,0.08);
  padding: 0;
}

.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

.nav-logo img { height: 52px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
  list-style: none;
}

.nav-links a {
  padding: 8px 16px;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--tekst);
  transition: all 0.2s;
}

.nav-links a:hover, .nav-links a.active {
  background: var(--blauw-licht);
  color: var(--blauw);
}

.nav-cta {
  background: var(--groen) !important;
  color: var(--wit) !important;
  padding: 10px 22px !important;
  border-radius: 50px !important;
  font-weight: 600 !important;
}

.nav-cta:hover { background: var(--groen-donker) !important; }

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 8px;
  background: none;
  border: none;
}

.nav-toggle span {
  display: block;
  width: 26px;
  height: 3px;
  background: var(--tekst);
  border-radius: 3px;
  transition: all 0.3s;
}

/* ---- KNOPPEN ---- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: none;
  transition: all 0.25s;
  text-decoration: none;
}

.btn-primary {
  background: var(--blauw);
  color: var(--wit);
  box-shadow: 0 4px 15px rgba(26,95,168,0.3);
}

.btn-primary:hover {
  background: var(--blauw-donker);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(26,95,168,0.4);
  color: var(--wit);
}

.btn-groen {
  background: var(--groen);
  color: var(--wit);
  box-shadow: 0 4px 15px rgba(76,175,80,0.3);
}

.btn-groen:hover {
  background: var(--groen-donker);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(76,175,80,0.4);
  color: var(--wit);
}

.btn-outline {
  background: transparent;
  color: var(--blauw);
  border: 2px solid var(--blauw);
}

.btn-outline:hover {
  background: var(--blauw);
  color: var(--wit);
}

.btn-wit {
  background: var(--wit);
  color: var(--blauw);
}

.btn-wit:hover {
  background: var(--blauw-licht);
  color: var(--blauw-donker);
}

/* ---- HERO SECTIE ---- */
.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  background: linear-gradient(135deg, var(--blauw-licht) 0%, #ffffff 60%);
  position: relative;
  overflow: hidden;
  padding: 72px 0 64px;
}

.hero::before {
  content: '';
  position: absolute;
  top: -100px;
  right: -100px;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(76,175,80,0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.hero-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--groen-licht);
  color: var(--groen-donker);
  padding: 8px 18px;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 600;
  margin-bottom: 24px;
}

.hero h1 { margin-bottom: 20px; color: var(--tekst); }
.hero h1 span { color: var(--blauw); }
.hero p { font-size: 1.1rem; margin-bottom: 32px; max-width: 500px; }

.hero-buttons { display: flex; gap: 16px; flex-wrap: wrap; }

.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 40px;
  padding-top: 32px;
  border-top: 1px solid var(--rand);
}

.hero-stat strong {
  display: block;
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--blauw);
}

.hero-stat span { font-size: 0.85rem; color: var(--tekst-licht); }

.hero-image {
  position: relative;
}

.hero-image img {
  width: 100%;
  border-radius: var(--radius-groot);
  box-shadow: var(--schaduw-hover);
  object-fit: cover;
  max-height: 520px;
}

.hero-badge-float {
  position: absolute;
  background: var(--wit);
  border-radius: var(--radius);
  padding: 14px 20px;
  box-shadow: var(--schaduw);
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-badge-float.left { bottom: 30px; left: -30px; }
.hero-badge-float.top { top: 30px; right: -20px; }

.hero-badge-float .icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
}

.icon-groen { background: var(--groen-licht); }
.icon-blauw { background: var(--blauw-licht); }

.hero-badge-float strong { display: block; font-size: 0.95rem; color: var(--tekst); }
.hero-badge-float span { font-size: 0.8rem; color: var(--tekst-licht); }

/* ---- VOORDELEN GRID ---- */
.voordelen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px;
  margin-top: 48px;
}

.voordeel-card {
  background: var(--wit);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--schaduw);
  transition: all 0.3s;
  border: 1px solid var(--rand);
}

.voordeel-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--schaduw-hover);
  border-color: var(--blauw);
}

.voordeel-icon {
  width: 56px;
  height: 56px;
  background: var(--blauw-licht);
  border-radius: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  margin-bottom: 20px;
}

.voordeel-card h3 { margin-bottom: 10px; font-size: 1.1rem; }
.voordeel-card p { margin: 0; font-size: 0.95rem; }

/* ---- STAPPEN ---- */
.stappen-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 32px;
  margin-top: 48px;
  position: relative;
}

.stap-card {
  text-align: center;
  padding: 32px 24px;
  position: relative;
}

.stap-nummer {
  width: 64px;
  height: 64px;
  background: var(--blauw);
  color: var(--wit);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  margin: 0 auto 20px;
  box-shadow: 0 4px 15px rgba(26,95,168,0.3);
}

.stap-card h3 { margin-bottom: 10px; }
.stap-card p { font-size: 0.95rem; }

/* ---- TARIEVEN ---- */
.tarieven-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.tarief-card {
  background: var(--wit);
  border-radius: var(--radius-groot);
  padding: 40px 36px;
  box-shadow: var(--schaduw);
  border: 2px solid var(--rand);
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.tarief-card.aanbevolen {
  border-color: var(--blauw);
  transform: scale(1.03);
}

.tarief-card.aanbevolen::before {
  content: 'Meest gekozen';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  background: var(--blauw);
  color: var(--wit);
  text-align: center;
  padding: 8px;
  font-size: 0.85rem;
  font-weight: 600;
}

.tarief-card.aanbevolen .tarief-content { margin-top: 20px; }

.tarief-card:hover { box-shadow: var(--schaduw-hover); }

.tarief-naam {
  font-size: 1.3rem;
  font-weight: 700;
  color: var(--tekst);
  margin-bottom: 8px;
}

.tarief-type {
  font-size: 0.85rem;
  color: var(--tekst-licht);
  margin-bottom: 24px;
}

.tarief-prijs {
  display: flex;
  align-items: flex-end;
  gap: 4px;
  margin-bottom: 8px;
}

.tarief-prijs .bedrag {
  font-size: 3rem;
  font-weight: 800;
  color: var(--blauw);
  line-height: 1;
}

.tarief-prijs .per { font-size: 1rem; color: var(--tekst-licht); margin-bottom: 8px; }

.tarief-tag {
  display: inline-block;
  background: var(--groen-licht);
  color: var(--groen-donker);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 24px;
}

.tarief-features {
  list-style: none;
  margin-bottom: 32px;
}

.tarief-features li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  padding: 8px 0;
  border-bottom: 1px solid var(--rand);
  font-size: 0.95rem;
  color: var(--tekst);
}

.tarief-features li:last-child { border-bottom: none; }

.tarief-features li::before {
  content: '✓';
  color: var(--groen);
  font-weight: 700;
  flex-shrink: 0;
}

/* ---- DOCENTEN ---- */
.docenten-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 32px;
  margin-top: 48px;
}

.docent-card {
  background: var(--wit);
  border-radius: var(--radius-groot);
  overflow: hidden;
  box-shadow: var(--schaduw);
  border: 1px solid var(--rand);
  transition: all 0.3s;
}

.docent-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--schaduw-hover);
}

.docent-foto {
  width: 100%;
  height: 260px;
  object-fit: cover;
  object-position: center 20%;
}

.docent-info { padding: 24px; }
.docent-naam { font-size: 1.2rem; font-weight: 700; margin-bottom: 4px; }
.docent-vakken {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0;
}

.vak-tag {
  background: var(--blauw-licht);
  color: var(--blauw);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 50px;
}

.docent-bericht { font-size: 0.9rem; color: var(--tekst-licht); font-style: italic; margin: 0; }

.docent-placeholder {
  background: var(--achtergrond);
  border: 2px dashed var(--rand);
  border-radius: var(--radius-groot);
  padding: 48px 32px;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-height: 400px;
}

.docent-placeholder .plus-icon {
  width: 64px;
  height: 64px;
  background: var(--blauw-licht);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: var(--blauw);
  margin-bottom: 16px;
}

/* ---- CONTACT & FORMULIER ---- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 60px;
  align-items: start;
}

.contact-info h2 { margin-bottom: 16px; }
.contact-info p { margin-bottom: 32px; }

.contact-item {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  margin-bottom: 24px;
}

.contact-item-icon {
  width: 48px;
  height: 48px;
  background: var(--blauw-licht);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  flex-shrink: 0;
}

.contact-item strong { display: block; font-size: 0.9rem; color: var(--tekst); margin-bottom: 2px; }
.contact-item span { font-size: 0.9rem; color: var(--tekst-licht); }

.contact-form {
  background: var(--wit);
  border-radius: var(--radius-groot);
  padding: 40px;
  box-shadow: var(--schaduw);
  border: 1px solid var(--rand);
}

.contact-form h3 { margin-bottom: 24px; }

.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }

.form-group { margin-bottom: 20px; }

.form-group label {
  display: block;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--tekst);
  margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 2px solid var(--rand);
  border-radius: 10px;
  font-size: 0.95rem;
  font-family: inherit;
  color: var(--tekst);
  background: var(--wit);
  transition: border-color 0.2s;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--blauw);
}

.form-group textarea { resize: vertical; min-height: 120px; }

.form-submit { width: 100%; justify-content: center; padding: 16px; font-size: 1.05rem; }

/* ---- OVER ONS ---- */
.over-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.over-image img {
  width: 100%;
  border-radius: var(--radius-groot);
  box-shadow: var(--schaduw-hover);
  object-fit: cover;
  max-height: 480px;
}

.over-tekst .section-label { margin-bottom: 16px; }
.over-tekst h2 { margin-bottom: 20px; }

.over-punten { list-style: none; margin: 24px 0; }
.over-punten li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 10px 0;
  font-size: 0.95rem;
  color: var(--tekst-licht);
}

.over-punten li::before {
  content: '✓';
  background: var(--groen);
  color: var(--wit);
  width: 22px;
  height: 22px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 700;
  flex-shrink: 0;
  margin-top: 2px;
}

/* ---- HOE WERKT HET ---- */
.hoe-sectie { padding: 80px 0; }

.hoe-stap {
  display: grid;
  grid-template-columns: 80px 1fr;
  gap: 28px;
  align-items: start;
  margin-bottom: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--rand);
}

.hoe-stap:last-child { border-bottom: none; margin-bottom: 0; }

.hoe-stap-num {
  width: 64px;
  height: 64px;
  background: var(--blauw);
  color: var(--wit);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: 700;
  flex-shrink: 0;
  box-shadow: 0 4px 15px rgba(26,95,168,0.25);
}

.hoe-stap-tekst h3 { margin-bottom: 10px; font-size: 1.2rem; }
.hoe-stap-tekst p { margin: 0; }

/* ---- BANNER CTA ---- */
.banner-cta {
  background: linear-gradient(135deg, var(--blauw) 0%, var(--blauw-donker) 100%);
  padding: 80px 0;
  text-align: center;
}

.banner-cta h2 { color: var(--wit); margin-bottom: 16px; }
.banner-cta p { color: rgba(255,255,255,0.85); font-size: 1.1rem; margin-bottom: 36px; }
.banner-cta .btn-group { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ---- WHATSAPP FLOAT ---- */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 9999;
  background: #25d366;
  color: var(--wit);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.5);
  transition: all 0.3s;
  text-decoration: none;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.6);
  color: var(--wit);
}

.whatsapp-float svg { width: 32px; height: 32px; fill: var(--wit); }

.whatsapp-tooltip {
  position: fixed;
  bottom: 36px;
  right: 100px;
  background: var(--tekst);
  color: var(--wit);
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  white-space: nowrap;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  z-index: 9998;
}

.whatsapp-float:hover ~ .whatsapp-tooltip { opacity: 1; }

/* ---- PAGINA HEADER ---- */
.page-header {
  background: linear-gradient(135deg, var(--blauw-licht) 0%, #ffffff 100%);
  padding: 60px 0 48px;
  text-align: center;
}

.page-header h1 { margin-bottom: 12px; }
.page-header p { font-size: 1.1rem; max-width: 560px; margin: 0 auto; }

.breadcrumb {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  margin-bottom: 20px;
  font-size: 0.85rem;
  color: var(--tekst-licht);
}

.breadcrumb a { color: var(--blauw); }
.breadcrumb span { color: var(--tekst-licht); }

/* ---- FOOTER ---- */
.footer {
  background: #1a2332;
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-logo img { height: 48px; margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer-over { font-size: 0.9rem; line-height: 1.7; }

.footer h4 {
  color: var(--wit);
  font-size: 1rem;
  margin-bottom: 20px;
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255,255,255,0.65);
  font-size: 0.9rem;
  transition: color 0.2s;
}

.footer-links a:hover { color: var(--wit); }

.footer-contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
  font-size: 0.9rem;
}

.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 20px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.45);
}

/* ---- SUCCES MELDING ---- */
.form-success {
  display: none;
  background: var(--groen-licht);
  border: 1px solid var(--groen);
  border-radius: var(--radius);
  padding: 20px 24px;
  color: var(--groen-donker);
  font-weight: 600;
  text-align: center;
  margin-top: 16px;
}

/* ---- RESPONSIVE ---- */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-inner { gap: 40px; }
}

@media (max-width: 768px) {
  .section { padding: 60px 0; }
  
  .nav-links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background: var(--wit);
    flex-direction: column;
    padding: 16px 24px 24px;
    box-shadow: 0 8px 24px rgba(0,0,0,0.1);
    gap: 4px;
  }
  
  .nav-links.open { display: flex; }
  .nav-links a { width: 100%; padding: 12px 16px; }
  .nav-toggle { display: flex; }
  
  .hero { min-height: auto; padding: 48px 0; }
  .hero-inner { grid-template-columns: 1fr; gap: 32px; }
  .hero-image { display: none; }
  .hero-stats { gap: 20px; }
  
  .over-grid { grid-template-columns: 1fr; }
  .over-image { display: none; }
  
  .contact-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  
  .tarieven-grid { grid-template-columns: 1fr; }
  .tarief-card.aanbevolen { transform: none; }
  
  .docenten-grid { grid-template-columns: 1fr; }
  
  .banner-cta .btn-group { flex-direction: column; align-items: center; }
  
  .hoe-stap { grid-template-columns: 56px 1fr; gap: 20px; }
  .hoe-stap-num { width: 52px; height: 52px; font-size: 1.2rem; }
}

@media (max-width: 480px) {
  h1 { font-size: 1.9rem; }
  h2 { font-size: 1.6rem; }
  .container { padding: 0 16px; }
  .contact-form { padding: 24px 20px; }
  .hero-buttons { flex-direction: column; }
  .hero-buttons .btn { justify-content: center; }
}