/* --- 1. BASE STYLING (Sesuaikan dengan proyek webmu) --- */
body {
  background-color: #1a1a1a; 
  color: #ffffff;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  margin: 0;
  padding: 0;
}

/* --- 2. CONTAINER UTAMA --- */
.contact-section {
  width: 100%;
  max-width: 1100px;
  margin: 0 auto;
  padding: 80px 20px;
  position: relative;
}

/* --- 3. HEADER & TEKS BESAR SAMAR --- */
.contact-header {
  position: relative;
  display: flex;
  align-items: flex-end;
  margin-bottom: 60px;
  padding-bottom: 10px;
}

.bg-text-contact {
  position: absolute;
  top: -40px;
  left: -10px;
  font-size: 110px;
  font-weight: 900;
  color: rgb(201, 201, 201); /* Mengikuti kepekatan seksi experience */
  letter-spacing: 4px;
  user-select: none;
  z-index: 1;
}


/* --- 4. TATA LETAK DUA KOLOM --- */
.contact-container {
  display: flex;
  gap: 60px;
  position: relative;
  z-index: 2;
  padding-top: 120px; /* Memberi jarak dari header */
}

/* Kolom Kiri */
.contact-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.info-heading {
  font-size: 28px;
  font-weight: 600;
  line-height: 1.4;
  margin-bottom: 20px;
  color: #ffffff;
}

.info-description {
  font-size: 16px;
  color: #777777; /* Warna abu-abu redup khas deskripsi */
  line-height: 1.6;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.detail-item {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.detail-label {
  font-size: 12px;
  font-weight: 600;
  color: #555555;
  letter-spacing: 1.5px;
}

.detail-value {
  font-size: 18px;
  color: #ffffff;
  text-decoration: none;
  transition: color 0.2s ease;
}

a.detail-value:hover {
  color: #cccccc;
}

/* Kolom Kanan (Formulir) */
.contact-form-container {
  flex: 1.2;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.form-label {
  font-size: 14px;
  font-weight: 500;
  color: #999999;
}

/* Kunci utama kecocokan style: Input minimalis dengan border transparan tipis */
.form-input {
  width: 100%;
  background-color: transparent;
  border: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.15);
  padding: 12px 0;
  color: #ffffff;
  font-size: 16px;
  outline: none;
  transition: border-color 0.3s ease;
}

.form-input:focus {
  border-bottom-color: rgba(255, 255, 255, 0.6); /* Lebih terang saat aktif mengetik */
}

.form-textarea {
  min-height: 100px;
  resize: vertical; /* User hanya bisa menarik ukuran ke bawah */
}

/* Tombol Kirim Pesan ala Kapsul Pill-Shaped */
.btn-submit {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background-color: #ffffff; /* Kebalikan dari tombol navbar, menggunakan warna putih solid */
  color: #111111;
  border: none;
  padding: 14px 32px;
  border-radius: 100px;
  font-size: 16px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.2s ease, transform 0.2s ease;
  margin-top: 10px;
}

.btn-submit:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.btn-submit .arrow {
  font-size: 16px;
}

/* --- 5. RESPONSIVE DESIGN (MOBILE) --- */
@media (max-width: 868px) {
  .bg-text-contact {
    font-size: 60px;
    top: -20px;
  }

  .title-contact {
    font-size: 28px;
  }

  .contact-container {
    flex-direction: column;
    gap: 50px;
  }
  
  .info-heading {
    font-size: 24px;
  }
  
  .btn-submit {
    width: 100%; /* Tombol melebar penuh di layar HP */
    justify-content: center;
  }
}

/* --- EFEK REVEAL (KEADAAN AWAL) --- */
.reveal-element {
  opacity: 0;
  transform: translateY(40px); /* Elemen agak turun ke bawah di awal */
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1), 
              transform 0.8s cubic-bezier(0.25, 1, 0.5, 1);
  will-change: opacity, transform; /* Optimalisasi performa browser */
}

/* --- KEADAAN SETELAH DI-SCROLL (MUNCUL) --- */
.reveal-element.active {
  opacity: 1;
  transform: translateY(0); /* Elemen kembali ke posisi asli */
}