:root {
  --navy: #153a82;
  --navy-d: #0e2a61;
  --blue: #1e56c9;
  --red: #ae1c28;
  --bg: #eef3fb;
  --white: #fff;
  --text: #10244a;
  --muted: #d7e3f7;
  --muted-dark: #4a5d82;
  --line: #c9d8f0;
  --on-navy: #fff;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  color: var(--text);
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  line-height: 1.65;
}

.flagbar {
  height: 8px;
  background: linear-gradient(#ae1c28 0 33%, #fff 33% 66%, #21468b 66% 100%);
}

header {
  position: sticky;
  top: 0;
  background: var(--navy);
  color: var(--on-navy);
  z-index: 50;
  box-shadow: 0 8px 24px rgba(14, 42, 97, 0.25);
}

.bar {
  max-width: 1120px;
  margin: auto;
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  cursor: pointer;
}

.logo em {
  font-style: normal;
  color: #9dc0ff;
}

.logo img {
  height: 46px;
  width: auto;
  display: block;
  background: #000;
  border-radius: 50%;
}

nav { display: flex; gap: 6px; }

nav button {
  background: transparent;
  border: 0;
  color: #e8f0ff;
  font: inherit;
  padding: 8px 16px;
  border-radius: 999px;
  cursor: pointer;
}

nav button:hover { background: rgba(255,255,255,0.12); }
nav button.active { background: var(--white); color: var(--navy); font-weight: 700; }

main { flex: 1; width: 100%; }

section { display: none; }
section.show { display: block; }

.wrap {
  max-width: 1120px;
  margin: auto;
  padding: 48px 24px;
}

.band-navy {
  background:
    radial-gradient(1200px 400px at 10% -20%, rgba(255,255,255,0.12), transparent 50%),
    linear-gradient(160deg, var(--navy-d), var(--navy) 55%, #1a4aa0);
  color: var(--on-navy);
}

.band-navy .lead { color: var(--muted); }
.band-navy h1,
.band-navy h2 { color: var(--white); }

.eyebrow {
  margin: 0 0 10px;
  color: #9dc0ff;
  font-size: 0.82rem;
  font-weight: 800;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.section-head { margin-bottom: 28px; max-width: 640px; }
.section-head .eyebrow { color: var(--blue); }
.section-head .lead { color: var(--muted-dark); }

.hero {
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 44px;
  align-items: center;
}

.hero-photo {
  width: 100%;
  max-height: 440px;
  object-fit: cover;
  border-radius: 18px;
  border: 4px solid rgba(255,255,255,0.2);
  box-shadow: 0 18px 40px rgba(0,0,0,0.28);
}

h1 {
  font-size: clamp(2.1rem, 5vw, 3.3rem);
  line-height: 1.08;
  margin: 0 0 16px;
  letter-spacing: -0.03em;
}

h2 {
  margin: 0 0 12px;
  font-size: clamp(1.6rem, 3vw, 2.1rem);
  color: var(--navy);
}

h3 { margin: 0 0 10px; font-size: 1.15rem; }

.lead {
  font-size: 1.12rem;
  margin: 0 0 20px;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 8px;
}

.btn {
  display: inline-block;
  background: var(--white);
  color: var(--navy);
  border: 0;
  font: inherit;
  font-weight: 700;
  padding: 13px 24px;
  border-radius: 999px;
  cursor: pointer;
}

.band-navy .btn { background: var(--white); color: var(--navy); }
.band-navy .btn:hover { background: #e6eeff; }

.btn:hover { filter: brightness(0.96); }
.btn:disabled { opacity: 0.6; cursor: wait; }

.btn-ghost {
  background: transparent;
  color: var(--white);
  border: 2px solid rgba(255,255,255,0.45);
}

.btn-ghost:hover { background: rgba(255,255,255,0.1); filter: none; }

.contact-card .btn,
form .btn {
  background: var(--navy);
  color: var(--white);
}

.cta-row .btn {
  background: var(--white);
  color: var(--navy);
}

.posters {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 22px;
}

.posters img {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 16px 36px rgba(16, 36, 74, 0.18);
  background: #1a1a1a;
}

.highlights {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.highlights article {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 16px;
  padding: 22px;
}

.highlights h3 { color: var(--white); }
.highlights p { margin: 0; color: var(--muted); }

.mosaic {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.8fr;
  gap: 14px;
}

.mosaic img {
  width: 100%;
  height: 280px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 10px 24px rgba(16, 36, 74, 0.14);
}

.cta-row {
  margin-top: 36px;
  background: var(--navy);
  color: var(--white);
  border-radius: 18px;
  padding: 28px 32px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.cta-row h2 { color: var(--white); margin: 0 0 6px; }
.cta-row p { margin: 0; color: var(--muted); }
.cta-row .btn { background: var(--white); color: var(--navy); }

.about-hero { align-items: center; }

.principles {
  background: var(--white);
  border: 1px solid var(--line);
  border-left: 6px solid var(--navy);
  border-radius: 16px;
  padding: 28px 30px;
  margin-bottom: 24px;
}

.principles .eyebrow { color: var(--blue); }
.principles p { margin: 0 0 14px; }
.principles p:last-child { margin-bottom: 0; }

.reasons {
  background: var(--navy);
  color: var(--white);
  border-radius: 16px;
  padding: 28px 30px;
  margin-bottom: 28px;
}

.reasons h3 { margin: 0 0 18px; font-size: 1.35rem; }
.reasons h4 { margin: 0 0 8px; color: var(--white); font-size: 1.05rem; }

.reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin-bottom: 18px;
}

.reasons-grid article {
  background: rgba(255,255,255,0.1);
  border: 1px solid rgba(255,255,255,0.16);
  border-radius: 14px;
  padding: 18px;
}

.reasons-grid p { margin: 0; color: var(--muted); }

.join-ask {
  margin: 0 0 16px;
  font-size: 1.08rem;
  max-width: 720px;
}

.reasons .btn {
  background: var(--white);
  color: var(--navy);
}

.standpunten { display: grid; gap: 16px; }

.standpunt {
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px 26px;
}

.standpunt p { margin: 0 0 12px; }
.standpunt p:last-child { margin-bottom: 0; }

.standpunt.highlight {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}

.standpunt.highlight h3 { color: var(--white); }

.photo-break {
  display: grid;
  grid-template-columns: 0.7fr 1.3fr;
  gap: 14px;
}

.photo-break img {
  width: 100%;
  height: 260px;
  object-fit: cover;
  border-radius: 16px;
}

.contact-card {
  margin-top: 28px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.contact-card h3 { color: var(--navy); }
.contact-card p { margin: 0 0 8px; }
.contact-card a { color: var(--blue); font-weight: 700; text-decoration: none; }
.contact-card a:hover { text-decoration: underline; }

.join-grid {
  display: grid;
  grid-template-columns: 1fr 0.85fr;
  gap: 36px;
  align-items: start;
}

.join-poster {
  width: 100%;
  border-radius: 16px;
  box-shadow: 0 16px 36px rgba(16, 36, 74, 0.18);
}

form {
  display: grid;
  gap: 14px;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 24px;
}

label {
  display: grid;
  gap: 6px;
  font-weight: 700;
  font-size: 0.95rem;
}

input, textarea {
  font: inherit;
  padding: 12px 12px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #f7f9fd;
  color: var(--text);
}

input:focus, textarea:focus {
  outline: 2px solid var(--blue);
  border-color: transparent;
  background: var(--white);
}

.hp { position: absolute; left: -9999px; }
.err { color: var(--red); margin: 0; min-height: 1.2em; }

.ok {
  display: none;
  background: var(--white);
  border-left: 4px solid var(--navy);
  padding: 16px;
  border-radius: 10px;
}

footer {
  background: var(--navy-d);
  color: var(--muted);
}

.footer-inner {
  padding: 22px 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  align-items: center;
  justify-content: space-between;
}

footer strong { color: var(--white); }
footer a { color: #9dc0ff; text-decoration: none; }
footer a:hover { text-decoration: underline; }

@media (max-width: 800px) {
  .hero,
  .posters,
  .highlights,
  .join-grid,
  .photo-break,
  .reasons-grid { grid-template-columns: 1fr; }
  .mosaic { grid-template-columns: 1fr; }
  .mosaic img,
  .photo-break img,
  .hero-photo { height: 240px; max-height: 240px; }
  .wrap { padding: 32px 18px; }
}