:root {
  --bg: #0f172a;
  --paper: #1e293b;
  --ink: #f1f5f9;
  --muted: #94a3b8;
  --accent: #facc15;
  --line: #334155;
}
* {
  box-sizing: border-box;
}
html,
body {
  margin: 0;
  padding: 0;
}
body {
  font-family: Inter, system-ui, -apple-system, Segoe UI, Roboto, Ubuntu,
    Cantarell, Helvetica Neue, Noto Sans, Arial, sans-serif;
  color: var(--ink);
  background: var(--bg);
  position: relative;
  min-height: 100vh;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: url("afbraak-woning.jpg") center/cover no-repeat;
  filter: brightness(0.3);
  z-index: -1;
}
.topbar {
  background: var(--accent);
  color: #111827;
  font-weight: 700;
  font-size: 14px;
  text-align: center;
  padding: 6px 10px;
  position: sticky;
  top: 0;
  z-index: 40;
  border-bottom: 1px solid #eab308;
}
.topbar a {
  color: #111827;
  text-decoration: none;
}
header {
  position: sticky;
  top: 28px;
  background: rgba(15, 23, 42, 0.9);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(6px);
  z-index: 30;
}
.container {
  max-width: 1100px;
  margin-inline: auto;
  padding: 28px;
}
nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--ink);
}
.logo {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: var(--accent);
  display: grid;
  place-items: center;
  font-weight: 900;
  color: #111827;
  font-size: 18px;
  box-shadow: inset 0 0 0 2px #111827;
}
.slogan {
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: -4px;
}
.navlinks a {
  color: var(--ink);
  text-decoration: none;
  padding: 10px 12px;
  border-radius: 8px;
}
.navlinks a:hover {
  background: #1e293b;
}
h1 i,
h2 i,
h3 i {
  color: var(--accent);
  margin-right: 8px;
}
a {
  color: var(--accent);
}
.grid {
  display: grid;
  gap: 18px;
}
.cols-3 {
  grid-template-columns: repeat(3, 1fr);
}
.cols-2 {
  grid-template-columns: repeat(2, 1fr);
}
@media (max-width: 900px) {
  .cols-3,
  .cols-2 {
    grid-template-columns: 1fr;
  }
}
.card {
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.28);
}
section {
  padding: 60px 0;
}
h2 {
  font-size: 30px;
  margin: 0 0 14px;
  color: #fff;
  display: flex;
  align-items: center;
}
.hero {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 32px;
  align-items: center;
}
.kicker {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  background: var(--accent);
  color: #111827;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 12px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  font-weight: 700;
}
h1 {
  font-size: 44px;
  line-height: 1.1;
  margin: 14px 0 10px;
  color: #fff;
}
.lead {
  font-size: 18px;
  color: white;
}
.banner {
  display: flex;
  align-items: center;
  gap: 10px;
  background: #fde047;
  border: 1px solid #facc15;
  border-radius: 12px;
  padding: 10px 12px;
  color: #111827;
  font-weight: 600;
}
.cta {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 10px;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  font-weight: 700;
  padding: 12px 18px;
  border-radius: 12px;
}
.btn.primary {
  background: var(--accent);
  color: #111827;
}
.btn.secondary {
  background: transparent;
  color: var(--ink);
  border: 1px dashed var(--muted);
}
.note {
  font-size: 14px;
  color: var(--muted);
}
.price {
  font-size: 34px;
  font-weight: 900;
  margin: 6px 0;
  color: var(--accent);
}
footer {
  padding: 28px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #0b1224;
  text-align: center;
}
.form {
  display: grid;
  gap: 16px;
}
.form .group {
  display: grid;
  gap: 6px;
}
.input {
  width: 100%;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: #0b1324;
  color: #f8fafc;
}
.input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(250, 204, 21, 0.18);
}
textarea.input {
  min-height: 120px;
}
.help {
  font-size: 12px;
  color: var(--muted);
}
.form--sleek {
  background: rgba(2, 6, 23, 0.5);
  border: 1px solid rgba(148, 163, 184, 0.15);
  border-left: 4px solid var(--accent);
  backdrop-filter: blur(3px);
  padding: 20px;
  border-radius: 16px;
}
.input--sleek {
  background: rgba(11, 19, 36, 0.7);
  border: 1px solid rgba(148, 163, 184, 0.25);
  border-radius: 12px;
}
.input--sleek:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(250, 204, 21, 0.18);
}
.cols-2-form {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
/* Style for the success page card, moved from bedankt.html */
.success-card {
  text-align: center;
  padding: 40px;
  margin-top: 150px;
  margin-bottom: 200px;
  background: rgba(30, 41, 59, 0.9);
  border: 1px solid var(--line);
  border-radius: 16px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, 0.28);
}

/* Media Queries (Mobile Responsiveness) */
@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }
  .cols-2-form {
    grid-template-columns: 1fr;
  }
}
@media (max-width: 600px) {
  .navlinks {
    display: none;
  }
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }
  nav {
    justify-content: center;
  }
  .success-card {
    margin-left: 0;
    margin-right: 0;
  }
  h1 {
    font-size: 30px;
  }
}