/* ==========================================================================
   BIRO UMUM — KOMPONEN
   Potongan antarmuka yang dipakai berulang: tombol, kartu, formulir,
   lencana, tab, langkah/step, dan pemberitahuan.
   ========================================================================== */

/* ==========================================================================
   TOMBOL
   Tinggi minimum 48px agar mudah ditekan di layar sentuh (semua usia).
   ========================================================================== */
.bu-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.6rem;
    min-height: 50px;
    padding: 0.85rem 1.75rem;
    border: 1px solid transparent;
    border-radius: var(--bu-radius-pill);
    font-family: var(--bu-font-body);
    font-size: 0.97rem;
    font-weight: var(--bu-fw-bold);
    line-height: 1.2;
    letter-spacing: 0.01em;
    text-align: center;
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    overflow: hidden;
    transition:
        transform var(--bu-dur-fast) var(--bu-ease),
        box-shadow var(--bu-dur) var(--bu-ease),
        background-color var(--bu-dur-fast) var(--bu-ease),
        border-color var(--bu-dur-fast) var(--bu-ease),
        color var(--bu-dur-fast) var(--bu-ease);
}
.bu-btn:hover {
    transform: translateY(-2px);
}
.bu-btn:active {
    transform: translateY(0);
}
.bu-btn i {
    font-size: 0.9em;
}

/* Kilau halus saat disorot — sentuhan sinematik */
.bu-btn::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(
        110deg,
        transparent 25%,
        rgba(255, 255, 255, 0.28) 48%,
        transparent 70%
    );
    transform: translateX(-120%);
    transition: transform var(--bu-dur-slow) var(--bu-ease);
    pointer-events: none;
}
.bu-btn:hover::after {
    transform: translateX(120%);
}

/* -- Varian -- */
.bu-btn--primary {
    background: var(--bu-grad-brand);
    color: #fff;
    box-shadow: 0 12px 28px -14px rgba(var(--bu-brand-rgb), 0.85);
}
.bu-btn--primary:hover {
    color: #fff;
    box-shadow: 0 18px 38px -14px rgba(var(--bu-brand-rgb), 0.95);
}

.bu-btn--gold {
    background: var(--bu-grad-gold);
    color: var(--bu-ink);
    box-shadow: var(--bu-shadow-gold);
}
.bu-btn--gold:hover {
    color: var(--bu-ink);
}

.bu-btn--dark {
    background: var(--bu-ink-2);
    color: #fff;
}
.bu-btn--dark:hover {
    background: var(--bu-ink);
    color: #fff;
}

.bu-btn--outline {
    background: transparent;
    border-color: var(--bu-line-strong);
    color: var(--bu-text);
}
.bu-btn--outline:hover {
    border-color: var(--bu-brand);
    color: var(--bu-brand);
    background: var(--bu-brand-tint);
}

/* Tombol di atas latar gelap / foto */
.bu-btn--ghost {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(255, 255, 255, 0.45);
    color: #fff;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}
.bu-btn--ghost:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: #fff;
    color: #fff;
}

.bu-btn--light {
    background: #fff;
    color: var(--bu-ink);
    box-shadow: var(--bu-shadow);
}
.bu-btn--light:hover {
    color: var(--bu-brand-dark);
}

/* -- Ukuran -- */
.bu-btn--sm {
    min-height: 42px;
    padding: 0.6rem 1.2rem;
    font-size: 0.88rem;
}
.bu-btn--lg {
    min-height: 58px;
    padding: 1rem 2.2rem;
    font-size: 1.03rem;
}
.bu-btn--block {
    display: flex;
    width: 100%;
}

.bu-btn[disabled],
.bu-btn.is-loading {
    opacity: 0.6;
    pointer-events: none;
}

/* Kumpulan tombol */
.bu-btn-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.85rem;
}
.bu-btn-group--center {
    justify-content: center;
}

/* Tautan bergaya "baca selengkapnya" */
.bu-arrow-link {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: var(--bu-fw-bold);
    font-size: 0.95rem;
    text-decoration: none;
    color: var(--bu-brand);
}
.bu-arrow-link i {
    transition: transform var(--bu-dur) var(--bu-ease);
}
.bu-arrow-link:hover i {
    transform: translateX(5px);
}
.bu-on-dark .bu-arrow-link {
    color: var(--bu-gold-light);
}

/* ==========================================================================
   LENCANA / BADGE
   ========================================================================== */
.bu-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.35rem 0.85rem;
    border-radius: var(--bu-radius-pill);
    font-size: 0.74rem;
    font-weight: var(--bu-fw-bold);
    letter-spacing: 0.08em;
    text-transform: uppercase;
    background: var(--bu-brand-tint);
    color: var(--bu-brand-dark);
}
.bu-badge--gold {
    background: var(--bu-gold-tint);
    color: var(--bu-gold-dark);
}
.bu-badge--ink {
    background: rgba(255, 255, 255, 0.1);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.2);
}
.bu-badge--outline {
    background: transparent;
    border: 1px solid var(--bu-line-strong);
    color: var(--bu-text-2);
}

/* ==========================================================================
   KARTU
   ========================================================================== */
.bu-card {
    position: relative;
    background: var(--bu-surface);
    border: var(--bu-border);
    border-radius: var(--bu-radius-lg);
    padding: clamp(1.5rem, 2.6vw, 2.25rem);
    transition:
        transform var(--bu-dur) var(--bu-ease),
        box-shadow var(--bu-dur) var(--bu-ease),
        border-color var(--bu-dur) var(--bu-ease);
}
.bu-card--hover:hover {
    transform: translateY(-6px);
    box-shadow: var(--bu-shadow-lg);
    border-color: transparent;
}
.bu-card--flush {
    padding: 0;
    overflow: hidden;
}
.bu-card--elevated {
    border-color: transparent;
    box-shadow: var(--bu-shadow);
}
.bu-card--ink {
    background: var(--bu-ink-2);
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--bu-text-inv);
}

/* Kartu layanan (dipakai di seksi "Layanan Kami") */
.bu-service {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    text-decoration: none;
    color: inherit;
    overflow: hidden;
}
.bu-service::before {
    content: "";
    position: absolute;
    inset: auto 0 0 0;
    height: 3px;
    background: var(--bu-grad-brand);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--bu-dur-slow) var(--bu-ease);
}
.bu-service:hover::before {
    transform: scaleX(1);
}
.bu-service__icon {
    display: grid;
    place-items: center;
    width: 60px;
    height: 60px;
    border-radius: 18px;
    background: var(--bu-brand-tint);
    color: var(--bu-brand);
    font-size: 1.4rem;
    transition:
        background-color var(--bu-dur) var(--bu-ease),
        color var(--bu-dur) var(--bu-ease),
        transform var(--bu-dur) var(--bu-ease);
}
.bu-service:hover .bu-service__icon {
    background: var(--bu-grad-brand);
    color: #fff;
    transform: rotate(-6deg) scale(1.05);
}
.bu-service__icon--gold {
    background: var(--bu-gold-tint);
    color: var(--bu-gold-dark);
}
.bu-service:hover .bu-service__icon--gold {
    background: var(--bu-grad-gold);
    color: var(--bu-ink);
}
.bu-service__title {
    margin: 0;
    font-family: var(--bu-font-display);
    font-size: 1.32rem;
    font-weight: var(--bu-fw-bold);
    line-height: 1.25;
    color: var(--bu-text);
}
.bu-service__desc {
    margin: 0;
    font-size: var(--bu-fs-sm);
    color: var(--bu-text-2);
    line-height: 1.7;
    flex-grow: 1;
}
.bu-service__more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.85rem;
    font-weight: var(--bu-fw-bold);
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: var(--bu-brand);
}
.bu-service__more i {
    transition: transform var(--bu-dur) var(--bu-ease);
}
.bu-service:hover .bu-service__more i {
    transform: translateX(5px);
}

/* Kisi kartu serbaguna */
.bu-grid {
    display: grid;
    gap: clamp(1.1rem, 2.2vw, 1.75rem);
}
.bu-grid--2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}
.bu-grid--3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
}
.bu-grid--4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
}
@media (max-width: 1024px) {
    .bu-grid--4 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    .bu-grid--3 {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}
@media (max-width: 680px) {
    .bu-grid--2,
    .bu-grid--3,
    .bu-grid--4 {
        grid-template-columns: minmax(0, 1fr);
    }
}

/* ==========================================================================
   LANGKAH / PANDUAN
   Dua gaya berbeda namun serumpun:
   .bu-steps        -> garis waktu vertikal (dipakai SIDARA)
   .bu-stepcards    -> kartu mendatar bernomor besar (dipakai SIPINTAS PLUS)
   ========================================================================== */

/* -- Gaya A: garis waktu vertikal -- */
.bu-steps {
    position: relative;
    display: grid;
    gap: clamp(1.5rem, 3vw, 2.4rem);
    padding-left: 4.25rem;
}
.bu-steps::before {
    content: "";
    position: absolute;
    left: 25px;
    top: 12px;
    bottom: 12px;
    width: 2px;
    background: linear-gradient(
        180deg,
        var(--bu-brand) 0%,
        rgba(var(--bu-brand-rgb), 0.25) 70%,
        transparent 100%
    );
}
.bu-step {
    position: relative;
}
.bu-step__num {
    position: absolute;
    left: -4.25rem;
    top: 0;
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #fff;
    border: 2px solid var(--bu-brand);
    color: var(--bu-brand);
    font-family: var(--bu-font-display);
    font-size: 1.32rem;
    font-weight: var(--bu-fw-bold);
    box-shadow: 0 0 0 6px var(--bu-bg);
    transition:
        background-color var(--bu-dur) var(--bu-ease),
        color var(--bu-dur) var(--bu-ease),
        transform var(--bu-dur) var(--bu-ease);
}
.bu-step:hover .bu-step__num {
    background: var(--bu-grad-brand);
    color: #fff;
    transform: scale(1.08);
}
.bu-step__title {
    margin: 0.35rem 0 0.55rem;
    font-family: var(--bu-font-display);
    font-size: clamp(1.15rem, 1.9vw, 1.42rem);
    font-weight: var(--bu-fw-bold);
    line-height: 1.3;
    color: var(--bu-text);
}
.bu-step__title::after {
    content: "";
    display: block;
    width: 46px;
    height: 3px;
    margin-top: 0.7rem;
    border-radius: 3px;
    background: var(--bu-grad-brand);
}
.bu-step__desc {
    margin: 0;
    color: var(--bu-text-2);
    font-size: var(--bu-fs-sm);
    line-height: 1.8;
}
.bu-step__desc b,
.bu-step__desc strong {
    color: var(--bu-brand-dark);
    font-weight: var(--bu-fw-bold);
}
@media (max-width: 560px) {
    .bu-steps {
        padding-left: 3.4rem;
    }
    .bu-steps::before {
        left: 21px;
    }
    .bu-step__num {
        left: -3.4rem;
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
    }
}

/* -- Gaya B: kartu bernomor besar (latar gelap) -- */
.bu-stepcards {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 2vw, 1.5rem);
    counter-reset: bu-sc;
}
@media (max-width: 900px) {
    .bu-stepcards {
        grid-template-columns: minmax(0, 1fr);
    }
}
.bu-stepcard {
    position: relative;
    display: flex;
    flex-direction: column;
    padding: clamp(1.6rem, 2.4vw, 2.1rem);
    border-radius: var(--bu-radius-lg);
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(255, 255, 255, 0.1);
    overflow: hidden;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition:
        transform var(--bu-dur) var(--bu-ease),
        background-color var(--bu-dur) var(--bu-ease),
        border-color var(--bu-dur) var(--bu-ease);
}
.bu-stepcard:hover {
    transform: translateY(-6px);
    background: rgba(255, 255, 255, 0.075);
    border-color: rgba(var(--bu-gold-rgb), 0.5);
}
/* Angka besar transparan di latar kartu */
.bu-stepcard__ghost {
    position: absolute;
    top: -0.35em;
    right: 0.05em;
    font-family: var(--bu-font-display);
    font-size: 7.5rem;
    font-weight: var(--bu-fw-bold);
    line-height: 1;
    color: rgba(255, 255, 255, 0.06);
    pointer-events: none;
    transition: color var(--bu-dur-slow) var(--bu-ease);
}
.bu-stepcard:hover .bu-stepcard__ghost {
    color: rgba(var(--bu-gold-rgb), 0.16);
}
.bu-stepcard__badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 46px;
    height: 46px;
    margin-bottom: 1.15rem;
    border-radius: 14px;
    background: rgba(var(--bu-gold-rgb), 0.14);
    border: 1px solid rgba(var(--bu-gold-rgb), 0.4);
    color: var(--bu-gold-light);
    font-size: 1.05rem;
}
.bu-stepcard__title {
    position: relative;
    margin: 0 0 0.8rem;
    font-family: var(--bu-font-display);
    font-size: clamp(1.12rem, 1.7vw, 1.35rem);
    font-weight: var(--bu-fw-bold);
    line-height: 1.3;
    color: #fff;
}
.bu-stepcard__desc {
    position: relative;
    margin: 0;
    font-size: var(--bu-fs-sm);
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.74);
}
.bu-stepcard__desc b,
.bu-stepcard__desc strong {
    color: var(--bu-gold-light);
    font-weight: var(--bu-fw-semibold);
}
.bu-stepcard__step {
    position: relative;
    margin-bottom: 0.55rem;
    font-size: 0.68rem;
    font-weight: var(--bu-fw-bold);
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--bu-gold);
}

/* ==========================================================================
   TAB / PENYARING (pill)
   ========================================================================== */
.bu-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
}
.bu-tabs--scroll {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.5rem;
    scrollbar-width: thin;
    -webkit-overflow-scrolling: touch;
    scroll-snap-type: x proximity;
}
.bu-tabs--scroll::-webkit-scrollbar {
    height: 6px;
}
.bu-tabs--scroll::-webkit-scrollbar-thumb {
    background: var(--bu-line-strong);
    border-radius: 99px;
}
/* Dipakai sebagai <button> (penyaring di tempat) maupun sebagai <a>
   (penyaring yang mengubah alamat). inline-flex membuat keduanya sama
   rata — tanpa itu, teks pada <a> menempel ke atas karena min-height. */
.bu-tab {
    flex: none;
    scroll-snap-align: start;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    min-height: 44px;
    padding: 0.6rem 1.25rem;
    border: 1px solid var(--bu-line-strong);
    border-radius: var(--bu-radius-pill);
    background: #fff;
    font: inherit;
    font-size: 0.88rem;
    font-weight: var(--bu-fw-semibold);
    color: var(--bu-text-2);
    text-decoration: none;
    cursor: pointer;
    white-space: nowrap;
    transition:
        background-color var(--bu-dur-fast) var(--bu-ease),
        color var(--bu-dur-fast) var(--bu-ease),
        border-color var(--bu-dur-fast) var(--bu-ease),
        box-shadow var(--bu-dur-fast) var(--bu-ease);
}
.bu-tab:hover {
    border-color: var(--bu-brand);
    color: var(--bu-brand);
}
.bu-tab.is-active {
    background: var(--bu-grad-brand);
    border-color: transparent;
    color: #fff;
    box-shadow: 0 10px 22px -12px rgba(var(--bu-brand-rgb), 0.9);
}

/* Angka di dalam tombol penyaring — mis. "Hari Ini (12)". */
.bu-tab__count {
    min-width: 1.65em;
    padding: 0.1rem 0.45rem;
    border-radius: var(--bu-radius-pill);
    background: var(--bu-bg-3);
    font-size: 0.78rem;
    font-weight: var(--bu-fw-bold);
    line-height: 1.5;
    text-align: center;
    color: var(--bu-text-2);
}
.bu-tab.is-active .bu-tab__count {
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
}

/* ==========================================================================
   FORMULIR
   ========================================================================== */
.bu-field {
    display: grid;
    gap: 0.5rem;
    margin-bottom: 1.15rem;
}
.bu-label {
    font-size: 0.88rem;
    font-weight: var(--bu-fw-bold);
    letter-spacing: 0.02em;
    color: var(--bu-text);
}
.bu-label .bu-req {
    color: var(--bu-danger);
}
.bu-hint {
    font-size: var(--bu-fs-xs);
    color: var(--bu-text-3);
}

.bu-input,
.bu-select,
.bu-textarea {
    width: 100%;
    min-height: 52px;
    padding: 0.85rem 1.05rem;
    font-family: var(--bu-font-body);
    font-size: 1rem;
    line-height: 1.5;
    color: var(--bu-text);
    background: #fff;
    border: 1.5px solid var(--bu-line-strong);
    border-radius: var(--bu-radius-sm);
    transition:
        border-color var(--bu-dur-fast) var(--bu-ease),
        box-shadow var(--bu-dur-fast) var(--bu-ease),
        background-color var(--bu-dur-fast) var(--bu-ease);
    appearance: none;
}
.bu-textarea {
    min-height: 128px;
    resize: vertical;
}

/* appearance:none di atas ikut membuang panah bawaan <select>, sehingga
   tanpa aturan ini kotaknya sama sekali tidak terbaca sebagai daftar
   pilihan. Panahnya digambar sendiri dan ditanam sebagai data URI, jadi
   tidak menambah satu permintaan berkas. */
.bu-select {
    padding-right: 2.9rem;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%23596b62' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m3 6 5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1.05rem center;
    background-size: 0.85rem;
}
.bu-input::placeholder,
.bu-textarea::placeholder {
    color: var(--bu-text-3);
}
.bu-input:focus,
.bu-select:focus,
.bu-textarea:focus {
    outline: none;
    border-color: var(--bu-brand);
    box-shadow: var(--bu-focus-ring);
}
/* background-COLOR, bukan background: pemakaian bentuk ringkas akan ikut
   menghapus panah <select> di atas. */
.bu-input.is-invalid,
.bu-select.is-invalid,
.bu-textarea.is-invalid {
    border-color: var(--bu-danger);
    background-color: var(--bu-danger-tint);
}

/* Input dengan ikon di depan & tombol di belakang */
.bu-input-wrap {
    position: relative;
    display: flex;
    align-items: center;
}
.bu-input-wrap > i {
    position: absolute;
    left: 1.05rem;
    color: var(--bu-text-3);
    font-size: 0.95rem;
    pointer-events: none;
    transition: color var(--bu-dur-fast) var(--bu-ease);
}
.bu-input-wrap:focus-within > i {
    color: var(--bu-brand);
}
.bu-input-wrap .bu-input {
    padding-left: 3rem;
}
.bu-input-wrap .bu-input--pr {
    padding-right: 3.25rem;
}
.bu-input-toggle {
    position: absolute;
    right: 0.5rem;
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    border: 0;
    border-radius: var(--bu-radius-xs);
    background: transparent;
    color: var(--bu-text-3);
    cursor: pointer;
    transition: color var(--bu-dur-fast) var(--bu-ease),
        background-color var(--bu-dur-fast) var(--bu-ease);
}
.bu-input-toggle:hover {
    color: var(--bu-brand);
    background: var(--bu-brand-tint);
}

/* Kotak centang */
.bu-check {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    cursor: pointer;
    font-size: var(--bu-fs-sm);
    color: var(--bu-text-2);
    user-select: none;
}
.bu-check input {
    width: 20px;
    height: 20px;
    accent-color: var(--bu-brand);
    cursor: pointer;
    flex: none;
}

/* Pesan galat pada field */
.bu-error {
    margin: 0;
    padding: 0;
    list-style: none;
    font-size: var(--bu-fs-sm);
    color: var(--bu-danger);
    font-weight: var(--bu-fw-medium);
}
.bu-error li::before {
    content: "\f06a";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    margin-right: 0.4rem;
}

/* ==========================================================================
   TABEL
   ========================================================================== */
.bu-table-wrap {
    width: 100%;
    overflow-x: auto;
    border: var(--bu-border);
    border-radius: var(--bu-radius);
    background: var(--bu-surface);
    -webkit-overflow-scrolling: touch;
}
.bu-table {
    width: 100%;
    border-collapse: collapse;
    font-size: var(--bu-fs-sm);
}
.bu-table th,
.bu-table td {
    padding: 0.9rem 1.1rem;
    text-align: left;
    vertical-align: top;
    border-bottom: 1px solid var(--bu-line);
}
.bu-table thead th {
    position: sticky;
    top: 0;
    background: var(--bu-bg-2);
    font-size: 0.74rem;
    font-weight: var(--bu-fw-bold);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--bu-text-2);
    white-space: nowrap;
}
.bu-table tbody tr:last-child td {
    border-bottom: 0;
}
.bu-table tbody tr:hover td {
    background: var(--bu-brand-tint);
}
.bu-table td.bu-num,
.bu-table th.bu-num {
    text-align: center;
    white-space: nowrap;
}

/* ==========================================================================
   PEMBERITAHUAN (alert)
   ========================================================================== */
.bu-alert {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1rem 1.25rem;
    margin-bottom: 1.25rem;
    border-radius: var(--bu-radius-sm);
    border-left: 4px solid;
    font-size: var(--bu-fs-sm);
    line-height: 1.65;
}
.bu-alert i {
    font-size: 1.05rem;
    margin-top: 0.15rem;
}
.bu-alert--success {
    background: var(--bu-success-tint);
    border-color: var(--bu-success);
    color: #0b4f31;
}
.bu-alert--danger {
    background: var(--bu-danger-tint);
    border-color: var(--bu-danger);
    color: #7d1c21;
}
.bu-alert--info {
    background: var(--bu-brand-tint);
    border-color: var(--bu-brand);
    color: var(--bu-brand-dark);
}
.bu-alert--warning {
    background: var(--bu-warning-tint);
    border-color: var(--bu-warning);
    color: #7a5710;
}

/* ==========================================================================
   STATISTIK RINGKAS
   ========================================================================== */
.bu-stat {
    text-align: center;
    padding: 1.25rem 0.75rem;
}
.bu-stat__value {
    display: block;
    font-family: var(--bu-font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: var(--bu-fw-bold);
    line-height: 1;
    color: var(--bu-brand);
    letter-spacing: -0.02em;
}
.bu-on-dark .bu-stat__value {
    color: var(--bu-gold-light);
}
.bu-stat__label {
    display: block;
    margin-top: 0.6rem;
    font-size: 0.74rem;
    font-weight: var(--bu-fw-bold);
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--bu-text-3);
}
.bu-on-dark .bu-stat__label {
    color: rgba(255, 255, 255, 0.65);
}

/* ==========================================================================
   KEADAAN KOSONG / MEMUAT
   ========================================================================== */
.bu-empty {
    display: grid;
    place-items: center;
    gap: 0.85rem;
    padding: clamp(2.5rem, 6vw, 5rem) 1.5rem;
    text-align: center;
    color: var(--bu-text-3);
}
.bu-empty i {
    font-size: 2.4rem;
    color: var(--bu-line-strong);
}
.bu-empty strong {
    font-family: var(--bu-font-display);
    font-size: 1.25rem;
    color: var(--bu-text-2);
    font-weight: var(--bu-fw-semibold);
}

.bu-skeleton {
    position: relative;
    overflow: hidden;
    background: var(--bu-bg-3);
    border-radius: var(--bu-radius);
}
.bu-skeleton::after {
    content: "";
    position: absolute;
    inset: 0;
    transform: translateX(-100%);
    background: linear-gradient(
        90deg,
        transparent,
        rgba(255, 255, 255, 0.7),
        transparent
    );
    animation: bu-shimmer 1.4s infinite;
}
@keyframes bu-shimmer {
    100% {
        transform: translateX(100%);
    }
}

/* Pemuat berputar */
.bu-spinner {
    width: 34px;
    height: 34px;
    border: 3px solid var(--bu-line);
    border-top-color: var(--bu-brand);
    border-radius: 50%;
    animation: bu-spin 0.8s linear infinite;
}
@keyframes bu-spin {
    to {
        transform: rotate(360deg);
    }
}

/* ==========================================================================
   HALAMAN (pagination)
   ========================================================================== */
.bu-pager {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: center;
    gap: 0.45rem;
    margin-top: clamp(2rem, 4vw, 3rem);
}
/* Dua bentuk penulisan yang sama tampilannya:
     <button>          galeri dokumentasi, halamannya diganti JavaScript
     .bu-pager__btn    paginator Laravel, halamannya berupa tautan biasa
   Lihat resources/views/layouts/partials/pager.blade.php. */
.bu-pager button,
.bu-pager .bu-pager__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 0.85rem;
    border: 1px solid var(--bu-line-strong);
    border-radius: var(--bu-radius-sm);
    background: #fff;
    font: inherit;
    font-size: 0.92rem;
    font-weight: var(--bu-fw-semibold);
    color: var(--bu-text-2);
    text-decoration: none;
    cursor: pointer;
    transition:
        background-color var(--bu-dur-fast) var(--bu-ease),
        color var(--bu-dur-fast) var(--bu-ease),
        border-color var(--bu-dur-fast) var(--bu-ease);
}
.bu-pager button:hover:not(:disabled),
.bu-pager a.bu-pager__btn:hover {
    border-color: var(--bu-brand);
    color: var(--bu-brand);
}
.bu-pager button.is-active,
.bu-pager .bu-pager__btn.is-active {
    background: var(--bu-brand);
    border-color: var(--bu-brand);
    color: #fff;
}
.bu-pager button:disabled,
.bu-pager .bu-pager__btn.is-disabled {
    opacity: 0.4;
    cursor: not-allowed;
}

/* "..." penanda halaman yang dilompati — bukan tombol, jadi tanpa kotak. */
.bu-pager__gap {
    padding: 0 0.35rem;
    color: var(--bu-text-3);
}

/* ==========================================================================
   LIGHTBOX (pratinjau gambar dokumentasi)
   ========================================================================== */
.bu-lightbox {
    position: fixed;
    inset: 0;
    z-index: 1200;
    display: grid;
    place-items: center;
    padding: clamp(1rem, 4vw, 3rem);
    background: rgba(var(--bu-ink-rgb), 0.94);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    opacity: 0;
    visibility: hidden;
    transition:
        opacity var(--bu-dur) var(--bu-ease),
        visibility var(--bu-dur);
}
.bu-lightbox.is-open {
    opacity: 1;
    visibility: visible;
}
.bu-lightbox__img {
    max-width: min(1100px, 92vw);
    max-height: 76vh;
    object-fit: contain;
    border-radius: var(--bu-radius);
    box-shadow: var(--bu-shadow-xl);
}
.bu-lightbox__cap {
    max-width: min(760px, 90vw);
    margin-top: 1.15rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.85);
    font-size: var(--bu-fs-sm);
    line-height: 1.7;
}
.bu-lightbox__cap strong {
    display: block;
    font-family: var(--bu-font-display);
    font-size: 1.15rem;
    color: #fff;
    margin-bottom: 0.3rem;
}
.bu-lightbox__close,
.bu-lightbox__nav {
    position: absolute;
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    border: 1px solid rgba(255, 255, 255, 0.28);
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    transition: background-color var(--bu-dur-fast) var(--bu-ease);
}
.bu-lightbox__close:hover,
.bu-lightbox__nav:hover {
    background: rgba(255, 255, 255, 0.18);
}
.bu-lightbox__close {
    top: clamp(1rem, 3vw, 2rem);
    right: clamp(1rem, 3vw, 2rem);
}
.bu-lightbox__nav--prev {
    left: clamp(0.6rem, 2.5vw, 2rem);
    top: 50%;
    transform: translateY(-50%);
}
.bu-lightbox__nav--next {
    right: clamp(0.6rem, 2.5vw, 2rem);
    top: 50%;
    transform: translateY(-50%);
}
@media (max-width: 600px) {
    .bu-lightbox__nav {
        width: 44px;
        height: 44px;
    }
}