.header-section {
    position: relative;
    height: 100vh;
    overflow: hidden;
    display: flex;
    align-items: center;
    color: white;
}

.header-section .bg {
    top: 0;
    left: 0;
    width: auto;
    height: auto;
    z-index: 0;
}

.header-section::before {
    /* Gradasi dari kiri gelap ke kanan transparan */
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(64, 16, 16, 100) 50%, rgba(64, 16, 16, 0.30) 60%, rgba(0,0,0,0) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 600px;
    padding: 3rem;
}


.hero-content h1 {
    font-size: 3rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.hero-content h4 {
    font-size: 1.25rem;
    max-width: 450px;
}


  .batak-section {
    position: relative;
    display: flex;
    align-items: center;
    color: white;
    min-height: 100vh;
    background: 
      linear-gradient(to right, rgba(64, 16, 16, 0.95) 40%, rgba(64, 16, 16, 0.6) 60%, rgba(0, 0, 0, 0) 100%),
      url('foto-batak.jpg') right center/cover no-repeat;
  }

  .batak-content {
    max-width: 600px;
    padding: 4rem;
  }

  .batak-content h1 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    font-weight: bold;
  }

  .batak-content p {
    line-height: 1.6;
    margin-bottom: 1rem;
  }

  /* SEJARAH */
.section-wrapper {
    position: relative;
    left: -80px;
    padding-top: 80px;
}
.title-section {
    font-weight: bold;
    font-size: 1.5rem;
    line-height: 1.4;
    display: inline-block; /* Lebar mengikuti isi */
    background-color: white;
    box-shadow: 0 10px 10px rgba(0,0,0,0.1);
    border: none;
    height: 17%;
    left: 150px;
}
.content-section {
    background-color: #4F1212; /* Maroon */
    color: white;
    padding: 30px;
    border-radius: 5px;
}

.section-border {
    border-top: 2px solid #333;
    max-width: 99%; /* jarak kiri-kanan */
    margin: 0 auto 30px auto; /* tengah + jarak bawah */
}



/* SLIDER */
.slider-container {
        position: relative;
        max-width: 900px;
        margin: 50px auto;
        background: white;
        box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        border-radius: 10px;
        overflow: hidden;
    }
    .slide {
        display: none;
        padding: 20px;
        text-align: center;
        animation: fade 0.8s ease-in-out;
    }
    .slide img {
         width: 100%;
    height: 400px; /* tinggi default semua gambar */
    object-fit: cover; /* crop gambar supaya proporsional */
    border-radius: 10px;
    }
    .slide h2 {
        margin-top: 20px;
        font-size: 20px;
    }
    .slide p {
        font-size: 14px;
        line-height: 1.6;
        color: #555;
        text-align: justify;
    }
    .arrow {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        background-color: rgb(97, 25, 25, 0.8);
        color: white;
        border: none;
        padding: 10px;
        cursor: pointer;
        border-radius: 50%;
        font-size: 18px;
        box-shadow: 0 2px 8px rgba(0,0,0,0.2);
    }
    /* .arrow:hover {
        background-color: #eee;
    } */
    .prev { left: 15px; }
    .next { right: 15px; }
    @keyframes fade {
        from { opacity: 0.4; }
        to { opacity: 1; }
    }