:root {
  --bg: #0a0e1a;
  --bg-alt: #f7f8fa;
  --surface: #ffffff;
  --text: #0f172a;
  --muted: #64748b;
  --primary: #1e3a8a;
  --accent: #d4a13a;
  --accent-bright: #f0b94a;
  --border: #e5e7eb;
  --radius: 10px;
  --shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
}

* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }

body {
  font-family: 'Inter', system-ui, -apple-system, sans-serif;
  color: var(--text);
  background: #0a0e1a;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

.nav {
  max-width: none;
  padding-left: 1.5rem;
  padding-right: 1.5rem;
}

.container.narrow { max-width: 860px; }

/* HEADER */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: #0a0e1a;
  border-bottom: 1px solid rgba(255,255,255,0.08);
  box-shadow: 0 2px 12px rgba(0,0,0,0.3);
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.brand { display: flex; align-items: center; text-decoration: none; }
.brand-logo { height: 76px; width: auto; object-fit: contain; display: block; }

.site-header nav { display: flex; gap: 1.5rem; }

.site-header nav a {
  color: #e8ecf5;
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  transition: color 0.2s;
}

.site-header nav a:hover { color: var(--accent-bright); }

/* HERO */
.hero {
  position: relative;
  height: 58vh;
  min-height: 380px;
  max-height: 560px;
  display: flex;
  align-items: center;
  overflow: hidden;
  color: #fff;
}

.hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 14, 26, 0.78) 0%, rgba(10, 14, 26, 0.35) 70%, rgba(10, 14, 26, 0.15) 100%);
}

.hero-inner { position: relative; z-index: 2; }

.hero h1 {
  font-size: clamp(1.7rem, 4vw, 3rem);
  line-height: 1.1;
  font-weight: 800;
  margin-bottom: 0.8rem;
  letter-spacing: -0.02em;
  max-width: 680px;
}

.accent { color: var(--accent-bright); }

.hero p {
  font-size: 1.05rem;
  color: #d8dcea;
  max-width: 480px;
  margin-bottom: 1.5rem;
}

.hero-cta { display: flex; gap: 0.7rem; flex-wrap: wrap; }

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.75rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: all 0.2s;
  font-family: inherit;
}

.btn-primary { background: var(--accent); color: #1a1a1a; }
.btn-primary:hover { background: var(--accent-bright); transform: translateY(-1px); }
.btn-primary:disabled { opacity: 0.6; cursor: not-allowed; transform: none; }

.btn-ghost {
  background: rgba(255,255,255,0.1);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.4);
  backdrop-filter: blur(6px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.2); }

/* SECTIONS */
.section {
  padding: 3.5rem 0;
  background: linear-gradient(180deg, #0a0e1a 0%, #131b3a 100%);
  color: #e8ecf5;
}
.section.alt {
  background: linear-gradient(180deg, #131b3a 0%, #0a0e1a 100%);
}

/* SPLIT (Over ons) */
.split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2.5rem;
  align-items: center;
}

.split-img {
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  aspect-ratio: 16/10;
}

.split-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.split-img:hover img { transform: scale(1.03); }

.split-copy h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.8rem;
  line-height: 1.15;
  color: #fff;
}

.split-copy p {
  color: #c3cbe4;
  font-size: 1rem;
  margin-bottom: 1rem;
}

.split-copy .check-list li { color: #e8ecf5; }

.check-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

.check-list li {
  padding-left: 1.7rem;
  position: relative;
  font-weight: 500;
  font-size: 0.95rem;
}

.check-list li::before {
  content: '✓';
  position: absolute;
  left: 0;
  top: 2px;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: grid;
  place-items: center;
  font-size: 0.7rem;
  font-weight: 800;
}

/* BANNER (sprinter) */
.banner {
  position: relative;
  height: 240px;
  overflow: hidden;
  display: flex;
  align-items: center;
  color: #fff;
}

.banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 14, 26, 0.82), rgba(10, 14, 26, 0.3));
}

.banner-inner { position: relative; z-index: 2; }

.banner-inner h2 {
  font-size: clamp(1.3rem, 2.4vw, 1.8rem);
  font-weight: 800;
  margin-bottom: 0.3rem;
  letter-spacing: -0.01em;
}

.banner-inner p {
  color: #d8dcea;
  font-size: 0.98rem;
}

/* FORMS */
.form-head { text-align: center; margin-bottom: 1.5rem; }

.form-head h2 {
  font-size: clamp(1.5rem, 2.6vw, 2rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 0.3rem;
  color: #fff;
}

.form-head p { color: #c3cbe4; font-size: 0.98rem; }

.card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.6rem;
  box-shadow: var(--shadow);
  color: var(--text);
}

.form { display: flex; flex-direction: column; gap: 0.9rem; }

.form label {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.form input,
.form textarea {
  padding: 0.7rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 7px;
  font-size: 0.96rem;
  font-family: inherit;
  background: #fff;
  transition: border-color 0.15s, box-shadow 0.15s;
}

.form input:focus,
.form textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(212, 161, 58, 0.15);
}

.form textarea { resize: vertical; }

.muted { color: var(--muted); font-size: 0.85rem; font-weight: 400; }

.status {
  margin-top: 0.2rem;
  font-size: 0.88rem;
  font-weight: 500;
}
.status:empty { display: none; }
.status.success { background: #ecfdf5; color: #065f46; border: 1px solid #a7f3d0; padding: 0.7rem 0.9rem; border-radius: 7px; }
.status.error { background: #fef2f2; color: #991b1b; border: 1px solid #fecaca; padding: 0.7rem 0.9rem; border-radius: 7px; }

/* CONTACT GRID */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 2rem;
  align-items: start;
}

.info-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.info-list li {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  font-size: 0.92rem;
  color: #e8ecf5;
}

.info-list li:last-child { border-bottom: none; }
.info-list span { color: #8892b8; font-weight: 500; }
.info-list a { color: var(--accent-bright); text-decoration: none; font-weight: 600; }
.info-list a:hover { color: #fff; }

/* FOOTER */
.site-footer {
  background: linear-gradient(180deg, #0a0e1a 0%, #050812 100%);
  color: #c3cbe4;
  padding: 3.5rem 0 1.5rem;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 2.5rem;
  align-items: start;
}

.footer-info strong {
  color: #fff;
  font-size: 1.25rem;
  display: block;
  margin-bottom: 0.6rem;
}

.footer-info > .muted {
  display: block;
  margin-bottom: 1.2rem;
  color: #8892b8;
  font-size: 0.92rem;
  line-height: 1.5;
}

.form-title {
  color: var(--text);
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 0.3rem;
}

.footer-bottom {
  margin-top: 2.5rem;
  padding-top: 1.2rem;
  border-top: 1px solid rgba(255,255,255,0.08);
  text-align: center;
  font-size: 0.82rem;
  color: #6b7494;
}

.site-footer .muted { color: #8892b8; font-size: 0.88rem; }

/* RESPONSIVE */
@media (max-width: 860px) {
  .split { grid-template-columns: 1fr; gap: 1.5rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 1.8rem; }
  .contact-grid { grid-template-columns: 1fr; gap: 1.5rem; }
  .hero { height: auto; padding: 5rem 0 3rem; min-height: 360px; }
  .banner { height: 200px; }
  .section { padding: 2.8rem 0; }
  .nav { height: 68px; }
  .brand-logo { height: 64px; }
  .site-header nav { gap: 1rem; }
  .site-header nav a { font-size: 0.9rem; }
  .footer-inner { flex-direction: column; align-items: flex-start; text-align: left; }
}

@media (max-width: 480px) {
  .hero-cta { flex-direction: column; align-items: stretch; width: 100%; }
  .hero-cta .btn { width: 100%; }
  .card { padding: 1.3rem; }
  .hero p { font-size: 0.98rem; }
  .banner { height: 180px; }
  .info-list li { font-size: 0.88rem; }
}