/********** Template CSS **********/

:root {
  --primary: #06bbcc;
  --light: #f0fbfc;
  --dark: #181d38;
}

.fw-medium {
  font-weight: 600 !important;
}

.fw-semi-bold {
  font-weight: 700 !important;
}

.whatsapp-float {
  position: fixed;
  right: 45px;
  bottom: 45px;
  z-index: 99;
  display: flex !important; /* Memastikan tombol selalu muncul */
  align-items: center;
  justify-content: center;
  background-color: #25d366 !important; /* Warna Hijau WA */
  border-color: #25d366 !important;
  color: white !important;
  border-radius: 30px !important;
  transition: all 0.3s ease;
  box-shadow: 2px 4px 12px rgba(0, 0, 0, 0.2);
}

.whatsapp-float:hover {
  background-color: #128c7e !important;
  transform: scale(1.1); /* Efek membesar sedikit saat disentuh */
}

/*** Spinner ***/
#spinner {
  opacity: 0;
  visibility: hidden;
  transition:
    opacity 0.5s ease-out,
    visibility 0s linear 0.5s;
  z-index: 99999;
}

#spinner.show {
  transition:
    opacity 0.5s ease-out,
    visibility 0s linear 0s;
  visibility: visible;
  opacity: 1;
}

/*** Button ***/
.btn {
  font-family: "Nunito", sans-serif;
  font-weight: 600;
  transition: 0.5s;
}

.btn.btn-primary,
.btn.btn-secondary {
  color: #ffffff;
}

.btn-square {
  width: 38px;
  height: 38px;
}

.btn-sm-square {
  width: 32px;
  height: 32px;
}

.btn-lg-square {
  width: 48px;
  height: 48px;
}

.btn-square,
.btn-sm-square,
.btn-lg-square {
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: normal;
  border-radius: 0px;
}

/*** Navbar ***/
/* Navbar awal (Transparan) */
.navbar {
  position: absolute !important; /* Agar melayang di atas gambar hero */
  width: 100%;
  top: 0;
  left: 0;
  z-index: 999;
  background: transparent !important;
  transition:
    background 0.5s ease,
    padding 0.5s ease;
}

/* Navbar saat di-scroll (Putih) */
.navbar.nav-sticky {
  position: fixed !important; /* Berubah jadi melayang saat scroll down */
  background: #ffffff !important;
  top: 0;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* Penyesuaian warna teks agar terbaca di background gelap/terang */
.navbar .nav-link,
.navbar .navbar-brand h2 {
  color: #ffffff !important; /* Putih saat di Hero */
}

.navbar.nav-sticky .nav-link,
.navbar.nav-sticky .navbar-brand h2 {
  color: var(
    --dark
  ) !important; /* Kembali ke warna gelap saat background putih */
}

/* Hapus aturan bawaan yang menyembunyikan navbar ke atas */
.navbar-light.sticky-top {
  top: 0 !important;
}

.navbar .dropdown-toggle::after {
  border: none;
  content: "\f107";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  vertical-align: middle;
  margin-left: 8px;
}

.navbar-light .navbar-nav .nav-link {
  margin-right: 30px;
  padding: 25px 0;
  color: #ffffff;
  font-size: 15px;
  text-transform: uppercase;
  outline: none;
}

.navbar-light .navbar-nav .nav-link:hover,
.navbar-light .navbar-nav .nav-link.active {
  color: var(--primary);
}

@media (max-width: 991.98px) {
  .navbar-light .navbar-nav .nav-link {
    margin-right: 0;
    padding: 10px 0;
  }

  .navbar-light .navbar-nav {
    border-top: 1px solid #eeeeee;
  }

  .navbar {
    background: #ffffff !important; /* Paksa background putih di mobile */
    position: relative !important; /* Kembalikan ke posisi normal agar tidak melayang di atas hero */
  }

  .navbar .nav-link,
  .navbar .navbar-brand h2 {
    color: var(
      --dark
    ) !important; /* Paksa teks jadi gelap agar terbaca di bg putih */
  }

  /* Garis pembatas antar menu di mobile */
  .navbar-nav {
    padding: 15px;
    background: #ffffff;
  }

  /* Atur warna hamburger menu agar terlihat di background putih */
  .navbar-toggler {
    border-color: rgba(0, 0, 0, 0.1);
  }

  .navbar-toggler-icon {
    filter: none; /* Pastikan icon tidak ter-invert jika ada filter sebelumnya */
  }

  /* Dropdown menu di mobile agar tidak melayang */
  .navbar .dropdown-menu {
    border: none;
    background: #f8f9fa; /* Warna sedikit abu agar beda dengan menu utama */
    margin: 0;
    padding-left: 20px;
  }

  /* Membuat kontainer navbar collapse melayang di atas hero */
  .navbar-collapse {
    position: absolute;
    top: 100%; /* Tepat di bawah baris header (logo & toggler) */
    left: 0;
    width: 100%;
    background: #ffffff; /* Sesuai keinginan Anda sebelumnya: Putih Full */
    z-index: 9999;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
    border-top: 1px solid #eee;
  }
}

.navbar-light .navbar-brand,
.navbar-light a.btn {
  height: 75px;
}

.navbar-light .navbar-nav .nav-link {
  color: var(--dark);
  font-weight: 500;
}

.navbar-light.sticky-top {
  top: -100px;
  transition: 0.5s;
}

@media (min-width: 992px) {
  .navbar .nav-item .dropdown-menu {
    display: block;
    margin-top: 0;
    opacity: 0;
    visibility: hidden;
    transition: 0.5s;
  }

  .navbar .dropdown-menu.fade-down {
    top: 100%;
    transform: rotateX(-75deg);
    transform-origin: 0% 0%;
  }

  .navbar .nav-item:hover .dropdown-menu {
    top: 100%;
    transform: rotateX(0deg);
    visibility: visible;
    transition: 0.5s;
    opacity: 1;
  }
}

/*** Header carousel ***/
/* Mengatur tinggi area Carousel agar tidak terlalu tinggi (misal 70% layar) */
.hero-header {
  height: 100vh !important;
  min-height: 100vh;
}

/* Memastikan gambar memenuhi area tanpa gepeng */
.custom-img {
  width: 100%;
  height: 100vh !important;
  object-fit: cover;
}

/* Memastikan navigasi panah tetap terlihat di atas overlay teks */
.header-carousel .owl-nav {
  z-index: 15;
}

.header-carousel .owl-nav {
  position: absolute;
  top: 50%;
  right: 8%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
}

.header-carousel .owl-nav .owl-prev,
.header-carousel .owl-nav .owl-next {
  margin: 7px 0;
  width: 45px;
  height: 45px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #ffffff;
  background: transparent;
  border: 1px solid #ffffff;
  font-size: 22px;
  transition: 0.5s;
}

.header-carousel .owl-nav .owl-prev:hover,
.header-carousel .owl-nav .owl-next:hover {
  background: var(--primary);
  border-color: var(--primary);
}

.page-header {
  background:
    linear-gradient(rgba(24, 29, 56, 0.7), rgba(24, 29, 56, 0.7)),
    url(../img/carousel-1.webp);
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  position: relative;
}

.page-header-inner {
  background: rgba(15, 23, 43, 0.7);
}

.breadcrumb-item + .breadcrumb-item::before {
  color: var(--light);
}

/*** Section Title ***/
.section-title {
  position: relative;
  display: inline-block;
  text-transform: uppercase;
}

.section-title::before {
  position: absolute;
  content: "";
  width: calc(100% + 80px);
  height: 2px;
  top: 4px;
  left: -40px;
  background: var(--primary);
  z-index: -1;
}

.section-title::after {
  position: absolute;
  content: "";
  width: calc(100% + 120px);
  height: 2px;
  bottom: 5px;
  left: -60px;
  background: var(--primary);
  z-index: -1;
}

.section-title.text-start::before {
  width: calc(100% + 40px);
  left: 0;
}

.section-title.text-start::after {
  width: calc(100% + 60px);
  left: 0;
}

/*** About ***/
/* CSS untuk dekorasi gambar About */
.custom-overlay {
  position: absolute;
  background-image: url("../img/overlay-top.png"); /* Sesuaikan path file kamu */
  background-size: contain;
  background-repeat: repeat-x;
  pointer-events: none;
}

.custom-overlay.bottom-hero {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 35px;
  transform: rotate(180deg);
  z-index: 3;
  object-fit: cover;
}

/* Sisi Atas */
.custom-overlay.top {
  top: -1px; /* Diberi -1px agar tidak ada gap piksel bocor */
  left: 0;
  width: 100%;
  height: 35px;
  z-index: 3; /* Dibuat lebih tinggi agar menutup sudut dengan rapi */
  clip-path: inset(0 14px 0 23px);
}

/* Sisi Bawah */
.custom-overlay.bottom {
  bottom: -1px;
  left: 0;
  width: 100%;
  height: 35px;
  transform: rotate(180deg);
  z-index: 3;
  clip-path: inset(0 14px 0 22px);
}

/* Sisi Kiri */
.custom-overlay.left {
  top: 50%;
  left: 0; 
  width: 1500px;
  height: 35px;
  transform: translate(calc(-50% + 17.5px), -50%) rotate(270deg);
  z-index: 2;
  /* Memotong ujung strip 1500px agar berhenti sebelum mencapai pojok siku luar */
  clip-path: inset(0 35px 0 35px);
}

/* Sisi Kanan */
.custom-overlay.right {
  top: 50%;
  right: 0;
  width: 1500px;
  height: 35px;
  transform: translate(calc(50% - 17.5px), -50%) rotate(90deg);
  z-index: 2;
  /* Memotong ujung strip 1500px agar berhenti sebelum mencapai pojok siku luar */
  clip-path: inset(0 35px 0 35px);
}

/*** Service ***/
.service-item {
  background: var(--light);
  transition: 0.5s;
}

.service-item:hover {
  margin-top: -10px;
  background: var(--primary);
}

.service-item * {
  transition: 0.5s;
}

.service-item:hover * {
  color: var(--light) !important;
}

/*** Categories & Courses ***/
.category img,
.course-item img {
  transition: 0.5s;
}

.category a:hover img,
.course-item:hover img {
  transform: scale(1.1);
}

.d-webkit-box-truncate {
  display: -webkit-box !important;
  line-clamp: 3;
  -webkit-line-clamp: 3; /* Teks akan dipotong di baris ketiga */
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-word;
}

/*** Gallery GKI Nusukan - Optimized Spacing ***/

/* 1. Container - Mengurangi tinggi dari 850px ke 500px */
.photo-stack-container {
  position: relative;
  padding: 20px 0;
  display: flex;
  justify-content: center; /* Tetap di tengah secara horizontal */
  align-items: center;
  min-height: 450px; /* Sesuaikan tinggi agar pas */
  overflow: visible;
  width: 100%;
}

/* Update pada Area Tumpukan */
.photo-stack {
  position: relative;
  width: 100%;
  max-width: 450px; /* Membatasi lebar agar tombol tidak terlalu jauh */
  height: 350px;
}

/* Tombol Lihat Foto - Dibuat menempel di samping */
.btn-view-stack {
  position: absolute;
  right: -80px; /* Nilai ini untuk merapatkan tombol ke tumpukan */
  top: 50%;
  transform: translateY(-50%);
  z-index: 20;
  white-space: nowrap; /* Agar tulisan tidak turun ke bawah */
  padding: 10px 20px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

/* 3. Item Polaroid - Ukuran dikecilkan sedikit agar masuk ke grid */
.stack-item {
  position: absolute;
  background: white;
  padding: 10px 10px 35px 10px; /* Padding bawah diperkecil */
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  text-decoration: none;
  border: 1px solid #ddd;
  width: 320px; /* Ukuran lebih pas untuk 2 kolom */

  transition:
    transform 0.6s cubic-bezier(0.34, 1.56, 0.64, 1),
    box-shadow 0.4s ease;

  backface-visibility: hidden;
  will-change: transform;
}

.stack-item img {
  width: 100%;
  aspect-ratio: 4/3;
  object-fit: cover;
  display: block;
}

.stack-item span {
  display: block;
  text-align: center;
  padding-top: 10px;
  font-family: "Georgia", serif;
  color: #222;
  font-weight: bold;
  font-size: 1rem;
}

/* 4. Pengaturan Posisi yang Dirapatkan */

/* Foto Belakang (Item 1) */
.item-1 {
  transform: rotate(-8deg); /* Sudut diperkecil */
  z-index: 1;
  top: 10px;
  left: -20px; /* Dibuat hampir ke tengah */
}

/* Foto Utama (Item 2) */
.item-2 {
  transform: rotate(4deg);
  z-index: 10;
  top: 40px;
  left: 50px; /* Berhimpitan sedikit dengan foto belakang */
}

/* 5. Hover Effect */
.stack-item:hover {
  transform: scale(1.05) rotate(0deg) translateY(-10px) !important;
  z-index: 100 !important;
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
}

/*** Team ***/
.team-item img {
  transition: 0.5s;
  width: 100%;
  aspect-ratio: 3 / 4; /* Rasio potret yang ideal untuk foto orang */
  object-fit: cover; /* Memastikan foto memenuhi kotak tanpa gepeng */
}

.team-item {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.team-item:hover img {
  transform: scale(1.1);
}

/*** Testimonial ***/
.testimonial-carousel::before {
  position: absolute;
  content: "";
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  background: linear-gradient(
    to right,
    rgba(255, 255, 255, 1) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  z-index: 1;
}

.testimonial-carousel::after {
  position: absolute;
  content: "";
  top: 0;
  right: 0;
  height: 100%;
  width: 0;
  background: linear-gradient(
    to left,
    rgba(255, 255, 255, 1) 0%,
    rgba(255, 255, 255, 0) 100%
  );
  z-index: 1;
}

@media (min-width: 768px) {
  .testimonial-carousel::before,
  .testimonial-carousel::after {
    width: 200px;
  }
}

@media (min-width: 992px) {
  .testimonial-carousel::before,
  .testimonial-carousel::after {
    width: 300px;
  }
}

.testimonial-carousel .owl-item .testimonial-text,
.testimonial-carousel .owl-item.center .testimonial-text * {
  transition: 0.5s;
}

.testimonial-carousel .owl-item.center .testimonial-text {
  background: var(--primary) !important;
}

.testimonial-carousel .owl-item.center .testimonial-text * {
  color: #ffffff !important;
}

.testimonial-carousel .owl-dots {
  margin-top: 24px;
  display: flex;
  align-items: flex-end;
  justify-content: center;
}

.testimonial-carousel .owl-dot {
  position: relative;
  display: inline-block;
  margin: 0 5px;
  width: 15px;
  height: 15px;
  border: 1px solid #cccccc;
  transition: 0.5s;
}

.testimonial-carousel .owl-dot.active {
  background: var(--primary);
  border-color: var(--primary);
}

/*** Footer ***/
.footer .btn.btn-social {
  margin-right: 5px;
  width: 35px;
  height: 35px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--light);
  font-weight: normal;
  border: 1px solid #ffffff;
  border-radius: 35px;
  transition: 0.3s;
}

.footer .btn.btn-social:hover {
  color: var(--primary);
}

.footer .btn.btn-link {
  display: block;
  margin-bottom: 5px;
  padding: 0;
  text-align: left;
  color: #ffffff;
  font-size: 15px;
  font-weight: normal;
  text-transform: capitalize;
  transition: 0.3s;
}

.footer .btn.btn-link::before {
  position: relative;
  content: "\f105";
  font-family: "Font Awesome 5 Free";
  font-weight: 900;
  margin-right: 10px;
}

.footer .btn.btn-link:hover {
  letter-spacing: 1px;
  box-shadow: none;
}

.footer .copyright {
  padding: 25px 0;
  font-size: 15px;
  border-top: 1px solid rgba(256, 256, 256, 0.1);
}

.footer .copyright a {
  color: var(--light);
}

.footer .footer-menu a {
  margin-right: 15px;
  padding-right: 15px;
  border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.footer .footer-menu a:last-child {
  margin-right: 0;
  padding-right: 0;
  border-right: none;
}

.footer {
  position: relative; /* Penting agar overlay menempel di sini */
}

.custom-overlay.bottom-footer {
  position: absolute;
  top: -1px; /* Menempel tepat di atas footer */
  left: 0;
  width: 100%;
  height: 35px;
  z-index: 10;
  pointer-events: none;
}

.custom-overlay.header-bottom {
  position: absolute;
  /* Gunakan top 100% untuk menaruhnya tepat di akhir container header */
  top: 91%;
  left: 0;
  width: 100%;
  height: 60px;
  /* Geser ke atas sedikit (setengah dari tingginya) agar menyatu dengan header */
  margin-top: -30px;
  transform: rotate(180deg);
  z-index: 10;
  pointer-events: none;
}

/* Ikon berputar */
[aria-expanded="true"] .transition-icon {
  transform: rotate(180deg);
}

.transition-icon {
  transition: transform 0.3s ease;
}

/* Memastikan animasi bawaan Bootstrap tetap smooth tanpa flickering */
.collapsing {
  transition: height 0.35s ease-in-out;
}

/* Menghilangkan 'all' agar tidak merusak kalkulasi tinggi otomatis Bootstrap */
.collapse {
  transition: opacity 0.3s ease-out;
}

/* Opsional: Mengatur jarak antar card jika dirasa masih terlalu renggang */
.mb-3 {
  margin-bottom: 1rem !important;
}

/* Custom CSS */
.content-area p {
  margin-bottom: 1.5rem;
  font-size: 1.1rem;
  color: #444;
  text-align: justify;
  text-indent: 3rem;
}

.content-area img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
}

.pagination .page-link {
  color: #06a3da;
  /* Warna primary Anda */
  padding: 10px 15px;
  font-weight: 600;
}

.pagination .page-item.active .page-link {
  background-color: #06a3da;
  border-color: #06a3da;
  color: #fff;
}

.pagination .page-item.disabled .page-link {
  background-color: #f8f9fa;
  color: #dee2e6;
}

/* Mengatur tinggi maksimal konten agar sejajar dengan gambar */
.scrollable-content {
  max-height: 400px;
  /* Pastikan konten tidak terpotong secara vertikal jika memang ingin dimatikan */
  overflow-y: hidden;
  /* Mengaktifkan scroll horizontal */
  overflow-x: hidden;
  /* Tambahkan white-space jika konten di dalamnya berupa elemen menyamping (seperti deretan kartu) */
  padding-bottom: 15px;
  /* Memberi ruang untuk scrollbar agar tidak menutupi teks */
  padding-right: 10px;
}

/* Pastikan elemen di dalamnya kembali ke mode normal agar teks tidak berantakan */
.scrollable-content .row,
.scrollable-content p {
  white-space: normal;
}

/* Mempercantik tampilan scrollbar (Optional) */
.scrollable-content::-webkit-scrollbar {
  width: 5px;
}

.scrollable-content::-webkit-scrollbar-track {
  background: #f1f1f1;
}

.scrollable-content::-webkit-scrollbar-thumb {
  background: #06a3da;
  border-radius: 10px;
}

/* Memastikan navigasi tab konsisten */
.nav-tabs .nav-link {
  border: none;
  color: #666;
}

.nav-tabs .nav-link.active {
  color: #06a3da !important;
  background-color: transparent !important;
  border-bottom: 3px solid #06a3da !important;
}

/* Pastikan gambar mengisi tinggi kolom dengan baik */
.min-vh-50 {
  min-height: 450px;
}

/* ============================================================
   1. TABLET & MOBILE (Max-width: 991px)
   ============================================================ */
@media (max-width: 991.98px) {
  /* Judul "In-Frame" atau Header Section */
  .photo-stack-container::before {
    font-size: 1.8rem;
    top: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    text-align: center;
  }

  .photo-stack-container {
    min-height: auto;
    padding: 60px 15px 40px; /* Jarak antar album dirapatkan */
    display: block; /* Hindari flex agar koordinat top/left stack tetap bekerja */
  }

  .photo-stack {
    height: 450px; /* Beri ruang agar tidak menabrak album di bawahnya */
    margin-bottom: 20px;
  }

  /* Tetap pertahankan sedikit rotasi agar estetik Polaroid tidak hilang */
  .stack-item {
    width: 320px;
    max-width: 900%;
  }

  .item-1 {
    left: 5%;
    top: 0;
    transform: rotate(-5deg) !important;
  }
  .item-2 {
    left: 15%;
    top: 30px;
    transform: rotate(3deg) !important;
  }

  /* Sisi Atas */
  .custom-overlay.top {
    top: -2px;
    left: 0;
    width: 100%;
    height: 35px;
  }

  /* Sisi Bawah */
  .custom-overlay.bottom {
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 35px;
    transform: rotate(180deg);
  }

  /* Sisi Kiri */
  .custom-overlay.left {
    top: 50%;
    left: -198px; /* Atur angka ini jika kurang pas */
    width: 430px; /* Panjangnya mengikuti tinggi gambar */
    height: 35px;
    transform: translateY(-50%) rotate(270deg);
  }

  /* Sisi Kanan */
  .custom-overlay.right {
    top: 50%;
    right: -198px; /* Atur angka ini jika kurang pas */
    width: 430px;
    height: 35px;
    transform: translateY(-50%) rotate(90deg);
  }
}

/* ============================================================
   2. MOBILE STANDAR (Max-width: 768px)
   ============================================================ */
@media (max-width: 768px) {
  .header-carousel .owl-carousel-item {
    position: relative;
    min-height: 100vh !important;
  }

  .header-carousel .owl-carousel-item img {
    position: absolute;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .header-carousel .owl-nav {
    display: none !important;
  }

  /* Overlay Sobekan Kertas di Header */
  .custom-overlay.header-bottom {
    top: auto !important;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 50px;
    margin-top: 0;
    transform: rotate(180deg);
    z-index: 10;
    pointer-events: none;
  }

  /* About Section Image */
  .position-relative.h-100 {
    min-height: 350px !important;
    overflow: hidden;
  }

  img.about {
    object-fit: cover !important;
    width: 100% !important;
    height: 100% !important;
    border-top-right-radius: 20% !important;
  }

  /* Sembunyikan overlay samping di mobile jika mengganggu layout */
  .custom-overlay.left,
  .custom-overlay.right {
    display: none;
  }

  /* Floating WhatsApp */
  .whatsapp-float {
    right: 15px;
    bottom: 15px;
    width: 50px;
    height: 50px;
  }

  /* Section Title Decoration */
  .section-title::before {
    width: 100% !important;
    left: 0 !important;
  }
  .section-title::after {
    width: 110% !important;
    left: -5% !important;
  }

  .btn-view-stack {
    right: -20px; /* Lebih rapat lagi untuk layar kecil */
    transform: translateY(-50%) scale(0.9);
  }

  /* Sisi Atas */
  .custom-overlay.top {
    top: -2px;
    left: 0;
    width: 100%;
    height: 35px;
  }

  /* Sisi Bawah */
  .custom-overlay.bottom {
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 35px;
    transform: rotate(180deg);
  }

  /* Sisi Kiri */
  .custom-overlay.left {
    top: 50%;
    left: -198px; /* Atur angka ini jika kurang pas */
    width: 430px; /* Panjangnya mengikuti tinggi gambar */
    height: 35px;
    transform: translateY(-50%) rotate(270deg);
  }

  /* Sisi Kanan */
  .custom-overlay.right {
    top: 50%;
    right: -198px; /* Atur angka ini jika kurang pas */
    width: 430px;
    height: 35px;
    transform: translateY(-50%) rotate(90deg);
  }
}

/* ============================================================
   3. MOBILE KECIL (Max-width: 576px)
   ============================================================ */
@media (max-width: 576px) {
  .btn-view-stack {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    margin-top: 20px;
    display: inline-block;
  }

  .photo-stack-container {
    flex-direction: column;
    min-height: auto;
  }

  .photo-stack {
    height: 380px;
  }

  .stack-item {
    width: 260px; /* Sesuai permintaan Anda */
    padding: 8px 8px 30px 8px; /* Lebih kecil agar pas di layar low-res */
  }

  .stack-item span {
    font-size: 0.9rem;
  }

  /* Sesuaikan posisi agar tetap di tengah layar HP */
  .item-1 {
    left: 0;
    top: 0;
  }
  .item-2 {
    left: 40px;
    top: 30px;
  }

  /* Hilangkan margin negatif tombol jika terlalu mepet */
  .photo-stack-container .btn {
    position: relative;
    z-index: 20;
    margin-top: 10px !important;
  }

  /* Sisi Atas */
  .custom-overlay.top {
    top: -2px;
    left: 0;
    width: 100%;
    height: 35px;
  }

  /* Sisi Bawah */
  .custom-overlay.bottom {
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 35px;
    transform: rotate(180deg);
  }

  /* Sisi Kiri */
  .custom-overlay.left {
    top: 50%;
    left: -198px; /* Atur angka ini jika kurang pas */
    width: 430px; /* Panjangnya mengikuti tinggi gambar */
    height: 35px;
    transform: translateY(-50%) rotate(270deg);
  }

  /* Sisi Kanan */
  .custom-overlay.right {
    top: 50%;
    right: -198px; /* Atur angka ini jika kurang pas */
    width: 430px;
    height: 35px;
    transform: translateY(-50%) rotate(90deg);
  }
}

/* 5. HOVER EFFECT (Hanya untuk Mouse) */
@media (hover: hover) {
  .stack-item:hover {
    transform: scale(1.08) rotate(0deg) translateY(-20px) !important;
    z-index: 100 !important;
    box-shadow: 0 40px 70px rgba(0, 0, 0, 0.25);
  }
}