html {
  scroll-behavior: smooth;
}

section[id] {
  scroll-margin-top: 64px;
}

#elemen {
  padding: 100px 24px;
  background: var(--bg-card);
}

.elemen-wrapper {
  max-width: 1100px;
  margin: 0 auto;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--hijau-medium);
  margin-bottom: 12px;
}

.section-title {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 12px;
}

.section-sub {
  color: var(--teks-redup);
  font-size: 1rem;
  margin-bottom: 48px;
}

.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--hijau-border), transparent);
  margin: 0 auto;
}

/* ── Elemen Cards ── */
.halaman {
  padding: 0;
}

.judul {
  display: none;
}

.subjudul {
  display: none;
}

.card {
  display: block;
  background: var(--bg-utama);
  border: 1.5px solid var(--hijau-border) !important;
  border-radius: 20px !important;
  padding: 28px;
  text-decoration: none;
  transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
  color: var(--teks-utama);
  height: 100%;
}

.card:hover {
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.card.air:hover {
  border-color: var(--warna-air) !important;
}

.card.udara:hover {
  border-color: var(--warna-udara) !important;
}

.card.tanah:hover {
  border-color: var(--warna-tanah) !important;
}

.card .ikon {
  font-size: 2rem;
  margin-bottom: 16px;
}

.card.air .ikon {
  color: var(--warna-air);
}

.card.udara .ikon {
  color: var(--warna-udara);
}

.card.tanah .ikon {
  color: var(--warna-tanah);
}

.card .nomor {
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--teks-redup);
  margin-bottom: 6px;
}

.card .nama {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 12px;
}

.card .deskripsi {
  font-size: 0.88rem;
  color: var(--teks-redup);
  line-height: 1.7;
  margin-bottom: 20px;
}

.bar-label {
  display: flex;
  justify-content: space-between;
  font-size: 0.78rem;
  color: var(--teks-redup);
  margin-bottom: 6px;
}

.bar-bg {
  background: var(--hijau-border);
  border-radius: 99px;
  height: 6px;
  margin-bottom: 20px;
  overflow: hidden;
}

.bar-isi {
  height: 100%;
  border-radius: 99px;
  width: 0;
  transition: width 1.2s ease;
}

.card.air .bar-isi {
  background: var(--warna-air);
}

.card.udara .bar-isi {
  background: var(--warna-udara);
}

.card.tanah .bar-isi {
  background: var(--warna-tanah);
}

.card .tombol {
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--teks-redup);
  transition: color 0.2s;
}

.card.air:hover .tombol {
  color: var(--warna-air);
}

.card.udara:hover .tombol {
  color: var(--warna-udara);
}

.card.tanah:hover .tombol {
  color: var(--warna-tanah);
}

.fitur-teaser {
  margin-top: 48px;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.fitur-card {
  background: var(--bg-utama);
  border: 1.5px solid var(--hijau-border);
  border-radius: 16px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 20px;
  text-decoration: none;
  color: var(--teks-utama);
  transition: transform 0.3s, border-color 0.3s;
}

.fitur-card:hover {
  transform: translateY(-4px);
  border-color: var(--hijau-medium);
  color: var(--teks-utama);
}

.fitur-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: rgba(46, 107, 56, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  color: #4ade80;
  flex-shrink: 0;
}

.fitur-title {
  font-weight: 700;
  font-size: 1rem;
  margin-bottom: 4px;
}

.fitur-desc {
  font-size: 0.83rem;
  color: var(--teks-redup);
}

.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.visible {
  opacity: 1;
  transform: none;
}

.reveal-delay-1 {
  transition-delay: 0.1s;
}

.reveal-delay-2 {
  transition-delay: 0.2s;
}

.reveal-delay-3 {
  transition-delay: 0.3s;
}

@media (max-width: 768px) {
  .fitur-teaser {
    grid-template-columns: 1fr;
  }

  .section-title {
    font-size: 1.8rem;
  }
}