:root {
  --bg: #f7f8fa;
  --card: #ffffff;
  --text: #1f2937;
  --muted: #6b7280;
  --primary: #111827;
  --accent: #2563eb;
  --border: #e5e7eb;
  --radius: 12px;
  --shadow: 0 10px 25px rgba(0,0,0,0.06);
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  line-height: 1.6;
}

/* Containers */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  background: var(--card);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
}
.header-inner {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 14px 0;
}
.logo {
  height: 44px;
  width: auto;
}
.logo-big {
  max-width: 100%;
  height: auto; /* responsive instead of fixed */
}
.logo.small { height: 28px; }

.nav {
  margin-left: auto;
  position: relative;
}
.nav-toggle {
  display: none;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 8px 10px;
  cursor: pointer;
}
.nav-list {
  list-style: none;
  display: flex;
  gap: 22px;
  margin: 0;
  padding: 0;
}
.nav-list a {
  text-decoration: none;
  color: var(--text);
  font-weight: 600;
  padding: 8px 10px;
  border-radius: 8px;
}
.nav-list a:hover { background: #f3f4f6; }

/* Hero */
.hero {
  background: linear-gradient(180deg, #ffffff 0%, #fafafa 60%, var(--bg) 100%);
  border-bottom: 1px solid var(--border);
}
.hero-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 32px;
  padding: 48px 0;
  align-items: center;
}
.hero-text h1 {
  font-size: clamp(1.6rem, 5vw, 2.2rem); /* fluid scaling */
  margin: 0 0 10px;
  color: var(--primary);
}
.hero-text p {
  color: var(--muted);
  margin: 0 0 20px;
}
.hero-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-media img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  object-fit: cover;
  min-height: 220px;
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 10px 16px;
  border-radius: 10px;
  text-decoration: none;
  font-weight: 600;
  transition: transform 0.06s ease, box-shadow 0.2s ease, background 0.2s ease;
  border: 1px solid transparent;
}
.btn:hover { transform: translateY(-1px); }
.btn-primary {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 6px 16px rgba(37,99,235,0.25);
}
.btn-outline {
  border-color: var(--border);
  color: var(--text);
  background: var(--card);
}

/* Sections */
.section {
  padding: 54px 0;
}
.section.alt {
  background: #fff;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.section h2 {
  margin: 0 0 8px;
  font-size: clamp(1.4rem, 4.5vw, 1.8rem); /* fluid scaling */
  color: var(--primary);
}
.section .sbi {
  color: var(--muted);
  font-weight: 600;
  margin-bottom: 16px;
}
.bullets {
  list-style: none;
  padding: 0;
  margin: 12px 0 18px;
}
.bullets li {
  position: relative;
  padding-left: 26px;
  margin: 8px 0;
}
.bullets li::before {
  content: "•";
  position: absolute;
  left: 0;
  top: 0;
  color: var(--accent);
  font-weight: bold;
}

/* Grids */
.grid {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 32px;
  align-items: center;
}
.grid.reverse { grid-template-columns: 0.95fr 1.05fr; }
.section-media img {
  width: 550px;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  object-fit: cover;
  min-height: 240px;
}
.section-content p { margin: 10px 0; }

/* Over ons stats */
.stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-top: 18px;
}
.stat {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
  text-align: center;
  box-shadow: var(--shadow);
}
.stat-num {
  font-size: 1.6rem;
  font-weight: 800;
  color: var(--primary);
}
.stat-label {
  color: var(--muted);
  font-weight: 600;
}

/* Contact */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 26px;
  align-items: start;
}
.contact-list {
  list-style: none;
  padding: 0;
  margin: 12px 0 0;
}
.contact-list li { margin: 6px 0; }
.contact-form {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  box-shadow: var(--shadow);
}
.contact-form label {
  display: block;
  font-weight: 600;
  margin-top: 8px;
}
.contact-form input,
.contact-form textarea {
  width: 100%;
  margin-top: 6px;
  margin-bottom: 10px;
  padding: 10px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: #fff;
  color: var(--text);
}
.contact-form button {
  width: auto;
}

/* Footer */
.site-footer {
  background: #0b0f17;
  color: #eef2f7;
  margin-top: 20px;
}
.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 0;
}
.footer-brand p { margin: 6px 0 0; color: #cbd5e1; }
.footer-nav {
  list-style: none;
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 0;
}
.footer-nav a {
  color: #cbd5e1;
  text-decoration: none;
}
.footer-nav a:hover { text-decoration: underline; }

/* Responsive */
@media (max-width: 600px) {
  .hero-inner { grid-template-columns: 1fr; }
  .grid, .grid.reverse { grid-template-columns: 1fr; }
  .stats { grid-template-columns: 1fr 1fr; }
  .contact-grid { grid-template-columns: 1fr; }
}
.header-inner {
  position: relative; }
@media (max-width: 600px) {
  .hero-inner {
    padding: 28px 0;
    gap: 20px;
    text-align: center;
    
  }
  .hero-media img{
    width: 90%;
  }
  .section-media img {
  width: 100%;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  object-fit: cover;
  min-height: 240px;
}
  .hero-actions { justify-content: center; }

  .brand{
    margin-left: 10px;
  }
  .nav-toggle { display: inline-block; }
  .nav {
    position: relative; 
        padding-right: 10px;
  }
  body.menu-open {
    /* Optional: prevent background scroll while menu is open */
    overflow: hidden;
    /* Prevent layout shift when header becomes fixed */
    padding-top: var(--header-height);
  }
  .nav-list {
    display: none;
    position: absolute;
    top: 100%;          
    left: -130px;        
    right: auto;       
    width: 220px;       
    background: var(--card);
    border: 1px solid var(--border);
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 10px 0;
    flex-direction: column;
    gap: 8px;
    box-shadow: var(--shadow);
    z-index: 999;
        overflow-y: auto; /* menu scrolls, header stays pinned */
  }

  .nav-list.open {
    display: flex;
  }

  .nav-list a {
    padding: 12px 16px;
    font-size: 1rem;
    text-align: left;
  }
}

/* Extra small screens */
@media (max-width: 480px) {
  .stats { grid-template-columns: 1fr; }
  .footer-inner {
    flex-direction: column;
    text-align: center;
  }
}