.contact {
  margin-top: 5rem;
  padding: 10rem 2rem 4rem 2rem;
  max-width: 1000px;
  margin-left: auto;
  margin-right: auto;
}

.contact h2.heading {
  text-align: center;
  font-size: 2.5rem;
  margin-bottom: 3rem;
}

.contact h2 span {
  color: #0d6efd;
}

.contact form {
  max-width: 70rem;
  margin: 1rem auto 3rem;
  text-align: center;
}

.contact form .input-box {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  width: 100%;
}

.input-field {
  position: relative;
  width: 100%;
  margin-bottom: 2rem;
}

.input-field.full {
  margin-top: 1rem;
}

/* Input dan Textarea */
.input-field input,
.input-field textarea {
  width: 100%;
  padding: 2rem 1.5rem 0.8rem;
  font-size: 1.6rem;
  color: var(--text-color, #000);
  background: var(--second-bg-color, #f8f8f8);
  border-radius: 0.8rem;
  border: 2px solid #ccc;
  outline: none;
  box-sizing: border-box;
  transition: border 0.3s ease, background-color 0.3s ease;
}

/* Fokus */
.input-field input:focus,
.input-field textarea:focus {
  border-color: #0d6efd;
  background-color: #fff;
  color: #000;
}

/* Label Mengambang */
.input-field label {
  position: absolute;
  top: 1.3rem;
  left: 1.5rem;
  font-size: 1.4rem;
  color: #777;
  pointer-events: none;
  background-color: transparent; /* jadi transparan awalnya */
  padding: 0 0.4rem;
  display: inline-block;
  transition: 0.2s ease all;
}

/* Floating label aktif */
.input-field input:focus + label,
.input-field input:not(:placeholder-shown) + label,
.input-field textarea:focus + label,
.input-field textarea:not(:placeholder-shown) + label {
  top: -0.8rem;
  font-size: 1.2rem;
  color: #0d6efd;
  background-color: #fff;
}

/* Textarea */
textarea {
  resize: none;
  height: 150px;
}

/* Button */
.contact-btn {
  margin-top: 2rem;
  padding: 1rem 2rem;
  font-size: 1.6rem;
  background-color: #0d6efd;
  color: white;
  border: none;
  border-radius: 0.8rem;
  cursor: pointer;
  position: relative;
}

.contact-btn:hover {
  background-color: #0b5ed7;
}

/* Loader Spinner */
.loader {
  display: none;
  width: 18px;
  height: 18px;
  border: 3px solid #fff;
  border-top: 3px solid transparent;
  border-radius: 50%;
  margin-left: 10px;
  vertical-align: middle;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  100% {
    transform: rotate(360deg);
  }
}

/* Success message */
#success-msg {
  color: green;
  display: none;
  margin-top: 1rem;
  font-size: 1.4rem;
}

/* Error message */
.input-field .error-msg {
  font-size: 1.2rem;
  color: red;
  display: none;
  margin-top: 0.3rem;
  text-align: left;
}

/* Shake animation */
.shake {
  animation: shake 0.3s ease-in-out;
}

@keyframes shake {
  0% {
    transform: translateX(0);
  }
  25% {
    transform: translateX(-5px);
  }
  50% {
    transform: translateX(5px);
  }
  75% {
    transform: translateX(-5px);
  }
  100% {
    transform: translateX(0);
  }
}