:root {
  --hijau-tua: #0f2e1f;
  --hijau: #1b4d33;
  --hijau-muda: #2f7a52;
  --teks: #f1f7f3;
}

* { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  height: 100%;
  font-family: "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--hijau-tua);
  color: var(--teks);
}

/* Bagian atas: logo */
.topbar {
  height: 88px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--hijau);
  border-bottom: 3px solid var(--hijau-muda);
}
.logo {
  height: 64px;
  width: auto;
  max-width: 80%;
  object-fit: contain;
}

/* Video memenuhi sisa halaman */
.hero {
  position: relative;
  width: 100%;
  height: 100vh; /* Sesuaikan tinggi hero */
  overflow: hidden;
}

.hero-video {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100vw;
  height: 56.25vw; /* Menjaga rasio 16:9 */
  min-height: 100vh;
  min-width: 177.77vh; /* Menjaga rasio 16:9 saat screen meninggi */
  transform: translate(-50%, -50%);
  pointer-events: none; /* Mencegah user mengklik/pause video YouTube */
}

.overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
}

/* Tulisan di atas video */
.message {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  gap: 16px;
}
.message h1 {
  font-size: clamp(1.8rem, 5vw, 3.5rem);
  line-height: 1.15;
  text-shadow: 0 2px 12px rgba(0,0,0,.5);
}
.message p {
  max-width: 640px;
  font-size: clamp(1rem, 2vw, 1.25rem);
  line-height: 1.6;
  opacity: .92;
}

@media (max-width: 600px) {
  .topbar { height: 72px; }
  .logo { height: 52px; }
  .hero { height: calc(100vh - 72px); }
}