/* Umum */
body {
  margin: 0;
  font-family: 'Segoe UI', sans-serif;
  background-color: #f4fdf4;
  color: #333;
}

header {
  background-color: #064420; /* hijau tua */
  color: white;
  text-align: center;
  padding: 20px;
  position: relative;
}

.logo-top {
  width: 120px;
  height: auto;
  margin-bottom: 10px;
}

.logo-bottom {
  width: 100%;
  max-height: 80px;
  object-fit: contain;
  margin-top: 20px;
}

/* Navigasi */
nav {
  margin-top: 20px;
  background-color: #0b6623;
  box-shadow: 0 2px 6px rgba(0,0,0,0.2);
}

nav ul {
  list-style: none;
  display: flex;
  justify-content: center;
  padding: 0;
  margin: 0;
}

nav ul li {
  margin: 0;
}

nav ul li a {
  display: block;
  padding: 15px 25px;
  text-decoration: none;
  color: white;
  transition: background-color 0.3s, transform 0.3s;
}

nav ul li a:hover {
  background-color: #0d8c3e;
  transform: scale(1.05);
  border-bottom: 3px solid yellow;
}

/* Marquee */
.marquee-container {
  overflow: hidden;
  background-color: #b6f2b6;
  padding: 10px 0;
}

.marquee-text {
  display: inline-block;
  animation: marquee 15s linear infinite;
  font-weight: bold;
  color: #064420;
  background: linear-gradient(90deg, red, orange, yellow, green, blue, indigo, violet);
  -webkit-background-clip: text;
  color: transparent;
  font-size: 1rem;
}

@keyframes marquee {
  0% { transform: translateX(100%); }
  100% { transform: translateX(-100%); }
}

/* Konten */
.section {
  padding: 30px;
  background-color: #eaf8ec;
}

.section h3 {
  color: #064420;
  margin-bottom: 15px;
}

/* Guru Card */
.guru-container {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
}

.guru-card {
  background-color: #ffffff;
  border: 2px solid #b4deb3;
  border-radius: 10px;
  padding: 15px;
  width: 220px;
  text-align: center;
  transition: transform 0.3s ease;
  box-shadow: 2px 4px 10px rgba(0,0,0,0.1);
}

.guru-card:hover {
  transform: scale(1.05);
  border-color: #0b6623;
}

.guru-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  border-radius: 8px;
}

/* WhatsApp box */
.wa-box a {
  display: inline-block;
  background-color: #25D366;
  color: white;
  padding: 8px 12px;
  margin-top: 8px;
  border-radius: 6px;
  text-decoration: none;
  transition: background-color 0.3s ease;
  animation: pulse 2s infinite;
}

.wa-box a:hover {
  background-color: #128c7e;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.4); }
  70% { box-shadow: 0 0 0 10px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* Footer */
footer {
  background-color: #064420;
  color: white;
  text-align: center;
  padding: 20px;
  margin-top: 30px;
}