.badan-operasi {
    background-color: var(--warna-terang);
    color: var(--warna-gelap);
}

.kepala-operasi {
    position: sticky;
    top: 0;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    padding: 18px 48px;
    background-color: var(--warna-gelap);
    border-bottom: 3px solid var(--warna-accent);
}

.tanda-operasi .logoteks,
.tanda-operasi .logopemisah {
    color: var(--warna-terang);
}

.wadah-menu-operasi {
    justify-content: flex-end;
    gap: 34px;
    flex-wrap: wrap;
}

.wadah-menu-operasi .item-menu,
.wadah-menu-operasi .tombol-dropdown {
    color: var(--warna-terang);
    font-size: 14px;
}

.wadah-menu-operasi .isi-dropdown {
    background-color: var(--warna-terang);
    color: var(--warna-gelap);
    border: 1px solid var(--warna-gelap);
}

.wadah-menu-operasi .item-dropdown {
    border-bottom: 1px solid var(--warna-gelap);
}

.wadah-menu-operasi .item-dropdown:last-child {
    border-bottom: none;
}

.wadah-menu-operasi .tombol-dropdown[aria-expanded="true"] {
    color: var(--warna-accent);
}

.wadah-menu-operasi .item-dropdown.aktif {
    color: var(--warna-accent);
}

.bagian-sistem {
    position: relative;
    overflow: hidden;
    min-height: 92vh;
    padding: 180px 48px 160px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    text-align: center;
    background-color: var(--warna-terang);
    background-image: linear-gradient(to right, rgba(23, 22, 15, 0.09) 1px, transparent 1px), linear-gradient(to bottom, rgba(23, 22, 15, 0.09) 1px, transparent 1px);
    background-size: 72px 72px;
}

.huruf-hantu-operasi {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-family: var(--font-judul);
    font-weight: 900;
    font-size: clamp(320px, 46vw, 760px);
    line-height: 0.8;
    color: var(--warna-gelap);
    opacity: 0.05;
    pointer-events: none;
}

.jaring-simpul {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.tali-simpul {
    stroke: var(--warna-gelap);
    stroke-width: 1;
    vector-effect: non-scaling-stroke;
    stroke-dasharray: 400;
    stroke-dashoffset: 400;
    opacity: 0.7;
    transition: stroke-dashoffset 1.4s ease;
}

.bagian-sistem.tersambung .tali-simpul {
    stroke-dashoffset: 0;
}

.tali-simpul:nth-child(2) { transition-delay: 0.2s; }
.tali-simpul:nth-child(3) { transition-delay: 0.4s; }
.tali-simpul:nth-child(4) { transition-delay: 0.6s; }
.tali-simpul:nth-child(5) { transition-delay: 0.8s; }
.tali-simpul:nth-child(6) { transition-delay: 1s; }
.tali-simpul:nth-child(7) { transition-delay: 1.2s; }

.kumpulan-simpul {
    position: absolute;
    inset: 0;
    pointer-events: none;
}

.simpul {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 3px solid var(--warna-gelap);
    border-radius: 50%;
    background-color: var(--warna-terang);
    transform: translate(-50%, -50%) scale(0.4);
    opacity: 0;
    transition: transform 0.6s ease, opacity 0.6s ease;
}

.simpul-inti {
    width: 38px;
    height: 38px;
    border: 3px solid var(--warna-accent);
    background-color: var(--warna-terang);
}

.bagian-sistem.tersambung .simpul {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
}

.judul-sistem {
    position: relative;
    font-size: clamp(32px, 6vw, 104px);
    line-height: 0.95;
    max-width: 16ch;
}

.anak-judul-sistem {
    position: relative;
    font-size: 16px;
    line-height: 1.7;
    max-width: 56ch;
}

.bagian-angka {
    background-color: var(--warna-gelap);
    color: var(--warna-terang);
    padding: 160px 48px;
}

.deret-angka {
    max-width: 1500px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 64px;
}

.satuan-angka {
    display: flex;
    flex-direction: column;
    gap: 18px;
}

.satuan-angka:nth-child(2) {
    padding-top: 88px;
}

.satuan-angka:nth-child(3) {
    padding-top: 176px;
}

.angka-besar {
    font-family: var(--font-judul);
    font-weight: 900;
    font-size: clamp(72px, 12vw, 200px);
    line-height: 0.85;
    letter-spacing: -0.04em;
}

.satuan-angka:nth-child(2) .angka-besar {
    color: var(--warna-accent);
}

.label-angka {
    font-family: var(--font-judul);
    font-weight: 700;
    font-size: 14px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    line-height: 1.5;
    max-width: 22ch;
    padding-top: 18px;
    border-top: 1px solid rgba(245, 242, 233, 0.4);
    opacity: 1;
    transition: opacity 0.8s ease;
}

.js-siap .label-angka {
    opacity: 0;
}

.js-siap .bagian-angka.selesai .label-angka {
    opacity: 1;
}

.bagian-konsultansi {
    padding: 180px 48px 200px;
    display: flex;
    flex-direction: column;
    gap: 88px;
    align-items: center;
}

.judul-konsultansi {
    font-size: clamp(28px, 4vw, 68px);
    line-height: 1;
    max-width: 24ch;
    text-align: center;
}

.tumpuk-kartu {
    width: 100%;
    max-width: 1000px;
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.kartu-fase {
    background-color: var(--warna-terang);
    border: 3px solid var(--warna-gelap);
    transform: rotate(0deg);
    transition: transform 0.5s ease, box-shadow 0.4s ease;
}

.js-siap .kartu-fase {
    transform: rotate(var(--miring, 0deg));
}

.js-siap .kartu-fase.rata {
    transform: rotate(0deg);
}

.kepala-kartu {
    width: 100%;
    display: flex;
    align-items: baseline;
    gap: 24px;
    padding: clamp(24px, 3vw, 44px);
    background: none;
    border: 0;
    cursor: pointer;
    text-align: left;
    color: inherit;
    font-family: var(--font-judul);
}

.nomor-fase {
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--warna-accent);
    flex-shrink: 0;
}

.nama-fase {
    flex: 1;
    font-weight: 900;
    text-transform: uppercase;
    font-size: clamp(28px, 4vw, 64px);
    line-height: 0.95;
    letter-spacing: -0.02em;
}

.tanda-buka {
    font-weight: 700;
    font-size: clamp(24px, 3vw, 44px);
    line-height: 1;
    transition: transform 0.4s ease;
}

.kartu-fase.rata .tanda-buka {
    transform: rotate(45deg);
}

.rincian-kartu {
    overflow: hidden;
    max-height: 0;
    transition: max-height 0.6s ease;
}

.kartu-fase.rata .rincian-kartu {
    max-height: 460px;
}

.rincian-kartu p {
    padding: 0 clamp(24px, 3vw, 44px) clamp(28px, 3vw, 48px);
    font-size: 16px;
    line-height: 1.75;
    max-width: 60ch;
}

.bagian-cta-operasi {
    padding: 60px 48px 180px;
    display: flex;
    justify-content: center;
}

.teks-perbaiki {
    font-family: var(--font-judul);
    font-weight: 900;
    text-transform: uppercase;
    font-size: clamp(40px, 10vw, 150px);
    line-height: 0.9;
    letter-spacing: -0.03em;
    border-bottom: 12px solid var(--warna-accent);
    padding-bottom: 12px;
    transition: border-color 0.35s ease, color 0.35s ease;
}

.teks-perbaiki:hover {
    color: var(--warna-accent);
    border-bottom-color: var(--warna-gelap);
}

.bagian-akar-hospitality {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: flex-end;
    justify-content: flex-end;
    border-top: 1px solid var(--warna-gelap);
}

.gambar-hospitality {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.teks-hospitality {
    position: relative;
    z-index: 2;
    width: min(560px, 100%);
    padding: 64px 48px 88px 40px;
    text-align: right;
    color: var(--warna-terang);
    background-image: linear-gradient(to left, rgba(23, 22, 15, 0.86), rgba(23, 22, 15, 0));
}

.teks-hospitality h2 {
    font-size: clamp(26px, 3.4vw, 54px);
    line-height: 1;
    margin-bottom: 22px;
}

.teks-hospitality p {
    font-size: 16px;
    line-height: 1.75;
    margin-left: auto;
    max-width: 44ch;
}

.kaki-operasi {
    background-color: var(--warna-gelap);
    color: var(--warna-terang);
    padding: 72px 48px 80px;
}

.petak-kaki {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 40px;
    align-items: start;
}

.sel-kaki {
    display: flex;
    flex-direction: column;
    gap: 14px;
    border-top: 1px solid rgba(245, 242, 233, 0.35);
    padding-top: 24px;
}

.sel-merek {
    flex-direction: row;
    align-items: center;
    gap: 8px;
}

.sel-merek .logoteks,
.sel-merek .logopemisah {
    color: var(--warna-terang);
}

.tautan-operasi {
    font-family: var(--font-judul);
    font-weight: 700;
    font-size: 13px;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    transition: color 0.3s ease;
}

.tautan-operasi:hover {
    color: var(--warna-accent);
}

@media (max-width: 1024px) {
    .kepala-operasi {
        padding: 16px 32px;
    }
    .bagian-sistem {
        padding: 140px 32px 120px;
    }
    .bagian-angka {
        padding: 120px 32px;
    }
    .deret-angka {
        grid-template-columns: 1fr;
        gap: 56px;
    }
    .satuan-angka:nth-child(2),
    .satuan-angka:nth-child(3) {
        padding-top: 0;
    }
    .bagian-konsultansi {
        padding: 120px 32px 140px;
        gap: 56px;
    }
    .petak-kaki {
        grid-template-columns: 1fr 1fr;
    }
    .teks-hospitality {
        width: 100%;
        background-image: linear-gradient(to top, rgba(23, 22, 15, 0.88), rgba(23, 22, 15, 0.1));
    }
}

@media (max-width: 768px) {
    .kepala-operasi {
        flex-direction: column;
        align-items: flex-start;
        gap: 14px;
        padding: 14px 20px;
    }
    .wadah-menu-operasi {
        justify-content: flex-start;
        gap: 18px;
    }
    .bagian-sistem {
        padding: 100px 24px;
        background-size: 48px 48px;
    }
    .bagian-angka,
    .bagian-konsultansi {
        padding-left: 24px;
        padding-right: 24px;
    }
    .bagian-cta-operasi {
        padding: 40px 24px 120px;
    }
    .teks-perbaiki {
        border-bottom-width: 8px;
    }
    .kepala-kartu {
        flex-direction: column;
        align-items: flex-start;
        gap: 12px;
        position: relative;
    }
    .tanda-buka {
        position: absolute;
        top: 24px;
        right: 24px;
    }
    .kaki-operasi {
        padding: 56px 24px 64px;
    }
    .petak-kaki {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .teks-hospitality {
        padding: 56px 24px 64px;
    }
}

@media (prefers-reduced-motion: reduce) {
    .tali-simpul,
    .simpul,
    .kartu-fase,
    .rincian-kartu,
    .label-angka {
        transition: none;
    }
    .js-siap .kartu-fase {
        transform: none;
    }
}