:root {
  --primary-color: #2a5c44;
  --primary-hover: #3a7c54;
  --background-dark: #121212;
  --background-section: rgba(20, 20, 20, 0.8);
  --background-item: rgba(25, 25, 25, 0.7);
  --text-primary: #e0e0e0;
  --text-secondary: #cccccc;
  --border-color: rgba(50, 50, 50, 0.3);
}

body {
  font-family: "Arial", sans-serif;
  margin: 0;
  padding: 0;
  line-height: 1.6;
  color: var(--text-primary);
  background-color: var(--background-dark);
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  background-color: #0a0a0a;
  border-bottom: 1px solid var(--border-color);
  position: relative;
}

.logo {
  height: 100px;
}

.hamburger {
  display: none;
  cursor: pointer;
  padding: 10px;
  z-index: 1001;
}

.hamburger-line {
  width: 25px;
  height: 3px;
  background-color: #ffffff;
  margin: 5px 0;
}

nav ul {
  display: flex;
  list-style: none;
  margin: 0;
  padding: 0;
}

nav ul li {
  margin-left: 2rem;
}

nav ul li a {
  color: var(--text-secondary);
  font-weight: bold;
  transition: color 0.3s ease;
}

nav ul li a:hover {
  color: #ffffff;
}

@media (max-width: 768px) {
  .hamburger {
    display: block;
  }

  nav ul {
    display: none;
    flex-direction: column;
    position: absolute;
    top: 60px;
    left: 0;
    width: 100%;
    background-color: #0a0a0a;
    padding: 1rem;
    z-index: 1000;
  }

  nav ul.active {
    display: flex;
  }

  nav ul li {
    margin: 0.5rem 0;
  }
}

/* ===== HERO SECTION ===== */
.hero {
  display: flex;
  align-items: center;
  padding: 4rem 2rem;
  background-color: var(--background-section);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin: 1rem auto;
  max-width: 1200px;
}

.hero-content {
  flex: 1;
  padding-right: 2rem;
}

.hero-image {
  flex: 1;
}

.hero-image img {
  width: 100%;
  border-radius: 8px;
}

.cta-buttons {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
}

.cta-button {
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border-radius: 4px;
  font-weight: bold;
  text-align: center;
  transition: all 0.3s ease;
}

.cta-button.primary {
  background-color: var(--primary-color);
  color: #ffffff;
  border: 1px solid var(--primary-color);
}

.cta-button.secondary {
  background-color: transparent;
  color: var(--text-secondary);
  border: 1px solid var(--border-color);
}

.cta-button:hover {
  background-color: var(--primary-hover);
  border-color: var(--primary-hover);
}

/* ===== CORE BENEFITS ===== */
.core-benefits {
  padding: 4rem 2rem;
  background-color: var(--background-section);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin: 1rem auto;
  max-width: 1200px;
  text-align: center;
}

.core-benefits h2 {
  margin-bottom: 3rem;
}

.benefits-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 3rem;
}

.benefits-left,
.benefits-right {
  flex: 1;
  min-width: 300px;
}

.benefits-image {
  flex: 1;
  min-width: 300px;
}

.benefits-image img {
  width: 100%;
  height: auto;
  border-radius: 8px;
}

.benefit-item {
  margin-bottom: 2rem;
  text-align: left;
}

/* ===== SERVICES OVERVIEW ===== */
.services-overview {
  padding: 4rem 2rem;
  background-color: var(--background-section);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin: 1rem auto;
  max-width: 1200px;
  text-align: center;
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.service-item {
  background-color: var(--background-item);
  padding: 2rem;
  border-radius: 8px;
  border: 1px solid var(--border-color);
  text-align: center;
  transition: transform 0.3s ease;
}

.service-item:hover {
  transform: translateY(-5px);
}

.service-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-radius: 8px;
  margin-bottom: 1.5rem;
}

.learn-more {
  display: inline-block;
  background-color: var(--primary-color);
  color: #ffffff;
  padding: 0.75rem 1.5rem;
  border-radius: 4px;
  font-weight: bold;
  margin-top: 1rem;
  transition: background-color 0.3s ease;
}

.learn-more:hover {
  background-color: var(--primary-hover);
}

/* ===== WHY CHOOSE SIS & MISSION VISION ===== */
.why-choose-sis-vision {
  padding: 4rem 2rem;
  background-color: var(--background-section);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin: 1rem auto;
  max-width: 1200px;
  text-align: center;
  background-size: cover;
  background-position: center;
}

.why-choose-sis,
.mission-vision {
  margin-bottom: 4rem;
}

.why-choose-sis h2,
.mission-vision h2 {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  background-color: rgba(0, 0, 0, 0.6);
  border-radius: 8px;
  margin-bottom: 2rem;
}

.choose-sis-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.choose-sis-item {
  padding: 1.5rem;
  background-color: rgba(0, 0, 0, 0.6);
  border-radius: 8px;
}

.mission-vision-content {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 2rem;
  margin-top: 2rem;
}

.mission-content,
.vision-content {
  padding: 1.5rem;
  background-color: rgba(0, 0, 0, 0.6);
  border-radius: 8px;
}

@media (max-width: 768px) {
  .choose-sis-content,
  .mission-vision-content {
    grid-template-columns: 1fr;
  }
}

/* ===== CTA SECTION ===== */
.cta-section {
  padding: 4rem 2rem;
  background-color: var(--background-section);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin: 1rem auto;
  max-width: 1200px;
  text-align: center;
}

.cta-intro {
  max-width: 600px;
  margin: 0 auto 2rem;
  font-size: 1.1rem;
}

.contact-form {
  max-width: 600px;
  margin: 0 auto 2rem;
  display: grid;
  gap: 1rem;
}

.contact-form input,
.contact-form textarea,
.contact-form select {
  width: 100%;
  padding: 0.75rem;
  border: 1px solid var(--border-color);
  border-radius: 4px;
  background-color: rgba(30, 30, 30, 0.7);
  color: var(--text-primary);
}

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

.alternative-contact {
  margin-top: 2rem;
}

/* ===== FAQ SECTION ===== */
.faq {
  padding: 4rem 2rem;
  background-color: var(--background-section);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin: 1rem auto;
  max-width: 1200px;
}

.faq h2 {
  text-align: center;
  margin-bottom: 2rem;
}

.faq-container {
  margin-top: 2rem;
}

.faq-item {
  margin-bottom: 1rem;
  background-color: var(--background-item);
  border-radius: 8px;
  border: 1px solid var(--border-color);
  overflow: hidden;
}

.faq-question {
  width: 100%;
  padding: 1.25rem;
  text-align: left;
  background-color: rgba(30, 30, 30, 0.7);
  border: none;
  color: #ffffff;
  font-size: 1.1rem;
  font-weight: bold;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  touch-action: manipulation; /* Voorkomt vertraging bij touch events */
}

.faq-question::after {
  content: "+";
  font-size: 1.5rem;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-question::after {
  content: "-";
}

.faq-answer {
  padding: 0 1.25rem;
  max-height: 0;
  overflow: hidden;
  transition:
    max-height 0.3s ease-out,
    padding 0.3s ease;
  color: var(--text-secondary);
  line-height: 1.6;
  background-color: rgba(25, 25, 25, 0.6);
}

.faq-item.active .faq-answer {
  padding: 1.25rem;
  max-height: 2000px;
}

.faq-answer ul,
.faq-answer ol {
  margin: 1rem 0;
  padding-left: 1.5rem;
}

.faq-cta {
  color: var(--primary-color);
  text-decoration: none;
  font-weight: bold;
  border-bottom: 1px solid var(--primary-color);
  transition: all 0.3s ease;
}

.faq-cta:hover {
  color: var(--primary-hover);
  border-bottom: 1px solid var(--primary-hover);
}
.faq {
  padding: 4rem 2rem;
  background-color: var(--background-section);
  border: 1px solid var(--border-color);
  border-radius: 4px;
  margin: 1rem auto;
  max-width: 1200px;
  background-image: url("images/faq-background.jpg");
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  position: relative;
}

.faq::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

.faq > * {
  position: relative;
  z-index: 2;
}

.faq h2 {
  text-align: center;
  margin-bottom: 2rem;
  color: #ffffff;
  position: relative;
  z-index: 2;
}

/* ===== FOOTER ===== */
footer {
  background-color: #0a0a0a;
  color: var(--text-secondary);
  padding: 2rem 2rem;
  text-align: center;
  border-top: 1px solid var(--border-color);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 2rem;
}

.footer-links ul {
  display: flex;
  list-style: none;
  gap: 2rem;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
}

.footer-links ul li a {
  color: var(--text-secondary);
  transition: color 0.3s ease;
}

.footer-links ul li a:hover {
  color: #ffffff;
}

.footer-contact {
  text-align: left;
}

.footer-contact p {
  margin: 0.5rem 0;
}

.footer-copyright {
  border-top: 1px solid var(--border-color);
  padding-top: 1rem;
  margin-top: 1rem;
  font-size: 0.9rem;
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 768px) {
  .hero {
    flex-direction: column;
  }

  .hero-content {
    padding-right: 0;
    margin-bottom: 2rem;
    text-align: center;
  }

  .benefits-container {
    flex-direction: column;
  }

  .benefits-image {
    order: -1;
    margin-bottom: 2rem;
  }

  nav ul {
    flex-direction: column;
    gap: 1rem;
  }

  nav ul li {
    margin-left: 0;
  }

  .footer-content {
    flex-direction: column;
    text-align: center;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
}