/* ITCare — ERP Limbah B3
   Satu berkas, tanpa framework dan tanpa permintaan ke server luar. */

@font-face {
  font-family: "Plus Jakarta Sans";
  src: url("assets/fonts/plus-jakarta-sans.woff2") format("woff2");
  font-weight: 400 800;
  font-style: normal;
  font-display: swap;
}

:root {
  --tinta: #10221c;
  --tinta-lembut: #4a5c55;
  --kertas: #ffffff;
  --remang: #f4f7f5;
  --garis: #dce4df;
  --hijau: #047857;
  --hijau-tua: #0b3d2e;
  --hijau-muda: #e7f3ed;
  --lebar: 1080px;
  --lebar-sempit: 760px;
  --radius: 12px;
}

*, *::before, *::after { box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--kertas);
  color: var(--tinta);
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  font-size: 1.03rem;
  line-height: 1.68;
  text-wrap: pretty;
}

h1, h2, h3 { line-height: 1.22; letter-spacing: -0.018em; margin: 0 0 0.6em; font-weight: 700; }
h1 { font-size: clamp(2rem, 5.6vw, 3.3rem); letter-spacing: -0.03em; }
h2 { font-size: clamp(1.45rem, 3.4vw, 2.05rem); }
h3 { font-size: 1.09rem; }
p { margin: 0 0 1em; }
ul, ol { margin: 0; padding: 0; list-style: none; }
a { color: var(--hijau); }
strong { font-weight: 700; }

.bungkus { width: 100%; max-width: var(--lebar); margin: 0 auto; padding: 0 clamp(1.15rem, 4.5vw, 2rem); }
.bungkus-sempit { max-width: var(--lebar-sempit); }

.lewati {
  position: absolute; left: -9999px; top: 0; background: var(--hijau-tua); color: #fff;
  padding: 0.7rem 1rem; z-index: 20;
}
.lewati:focus { left: 0.5rem; top: 0.5rem; }

/* ---------- kepala ---------- */
.kepala {
  position: sticky; top: 0; z-index: 10;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(9px);
  border-bottom: 1px solid var(--garis);
}
.kepala-isi { display: flex; align-items: center; gap: 1.5rem; min-height: 66px; }
.merek { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: var(--tinta); }
.merek-tanda {
  display: grid; place-items: center; width: 32px; height: 32px;
  background: var(--hijau); color: #fff; border-radius: 8px;
}
.merek-teks { font-weight: 700; letter-spacing: -0.02em; }
.merek-pisah { color: var(--garis); margin: 0 0.4rem; font-weight: 400; }
.merek-anak { font-weight: 500; color: var(--tinta-lembut); font-size: 0.95rem; }
.navigasi { display: flex; gap: 1.4rem; margin-left: auto; }
.navigasi a {
  color: var(--tinta-lembut); text-decoration: none; font-size: 0.94rem; font-weight: 500;
  padding: 0.5rem 0; border-bottom: 2px solid transparent;
}
.navigasi a:hover { color: var(--hijau); border-bottom-color: var(--hijau); }

/* ---------- tombol ---------- */
.tombol {
  display: inline-flex; align-items: center; justify-content: center;
  min-height: 48px; padding: 0.75rem 1.4rem;
  background: var(--hijau); color: #fff; font-weight: 600; font-size: 0.99rem;
  text-decoration: none; border-radius: 10px; border: 1px solid var(--hijau);
  transition: background 0.15s ease, transform 0.15s ease;
}
.tombol:hover { background: var(--hijau-tua); border-color: var(--hijau-tua); }
.tombol:active { transform: translateY(1px); }
.tombol-garis { background: transparent; color: var(--hijau); }
.tombol-garis:hover { background: var(--hijau-muda); color: var(--hijau-tua); border-color: var(--hijau); }
.tombol-kecil { min-height: 42px; padding: 0.55rem 1.05rem; font-size: 0.92rem; }

a:focus-visible, summary:focus-visible, .tombol:focus-visible {
  outline: 3px solid #0ea36f; outline-offset: 2px; border-radius: 6px;
}

/* ---------- hero ---------- */
.hero { padding: clamp(3.2rem, 8vw, 6rem) 0 clamp(2.6rem, 6vw, 4.5rem); }
.hero .bungkus { max-width: 940px; }
.label-atas {
  display: inline-block; margin: 0 0 1.1rem;
  font-size: 0.79rem; font-weight: 700; letter-spacing: 0.11em; text-transform: uppercase;
  color: var(--hijau);
}
.pembuka { font-size: clamp(1.03rem, 1.6vw, 1.16rem); color: var(--tinta-lembut); max-width: 44rem; }
.aksi { display: flex; flex-wrap: wrap; gap: 0.7rem; margin: 1.9rem 0 0; }
.aksi-tengah { justify-content: center; }
.catatan-kecil { font-size: 0.88rem; color: var(--tinta-lembut); margin: 1rem 0 0; }

/* ---------- bagian ---------- */
.bagian { padding: clamp(3.4rem, 7.5vw, 5.6rem) 0; }
.bagian + .bagian { border-top: 1px solid var(--garis); }
.bagian-gelap { background: var(--hijau-tua); color: #eef5f1; border: 0; }
.bagian-gelap h2, .bagian-gelap h3 { color: #fff; }
.bagian-gelap a { color: #8fe0bd; }
.bagian-remang { background: var(--remang); }
.bagian-tutup { background: var(--remang); text-align: center; }
.bagian-tutup .pengantar { margin-left: auto; margin-right: auto; max-width: 34rem; }
.pengantar { color: var(--tinta-lembut); max-width: 46rem; margin-bottom: 2.2rem; }
.bagian-gelap .pengantar { color: #b9d4c8; }

/* ---------- daftar masalah ---------- */
.daftar-garis { border-top: 1px solid var(--garis); max-width: 47rem; }
.daftar-garis li {
  border-bottom: 1px solid var(--garis);
  padding: 1.15rem 0 1.15rem 2.6rem;
  position: relative;
  counter-increment: bocor;
}
.daftar-garis { counter-reset: bocor; }
.daftar-garis li::before {
  content: counter(bocor, decimal-leading-zero);
  position: absolute; left: 0; top: 1.2rem;
  font-size: 0.8rem; font-weight: 700; color: var(--hijau); letter-spacing: 0.04em;
}
.penutup-daftar {
  margin-top: 1.6rem; padding-left: 2.6rem; max-width: 44rem;
  font-weight: 500; color: var(--tinta);
}

/* ---------- langkah ---------- */
.langkah { display: grid; gap: 0; max-width: 780px; }
.langkah li { display: grid; grid-template-columns: 2.6rem 1fr; gap: 1.1rem; padding: 1.25rem 0; }
.langkah li + li { border-top: 1px solid rgba(255, 255, 255, 0.14); }
.langkah-nomor {
  display: grid; place-items: center; width: 2.2rem; height: 2.2rem;
  border: 1.5px solid var(--hijau); color: var(--hijau);
  border-radius: 50%; font-weight: 700; font-size: 0.92rem;
}
.langkah h3 { margin-bottom: 0.25em; }
.langkah p { margin: 0; color: var(--tinta-lembut); max-width: 40rem; }
.bagian-gelap .langkah li + li { border-top-color: rgba(255, 255, 255, 0.14); }
.bagian-gelap .langkah-nomor { border-color: #6fd3a5; color: #8fe0bd; }
.bagian-gelap .langkah p { color: #b9d4c8; }
.langkah-gelap { max-width: 820px; }
.bagian-remang .langkah li + li { border-top-color: var(--garis); }

/* ---------- modul ---------- */
.kolom-modul {
  display: grid; gap: 2.2rem 3rem;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
}
.modul h3 {
  padding-bottom: 0.6rem; border-bottom: 2px solid var(--hijau); margin-bottom: 0.9rem;
  display: inline-block;
}
.modul ul { display: grid; gap: 0.55rem; }
.modul li { padding-left: 1.15rem; position: relative; color: var(--tinta-lembut); font-size: 0.98rem; }
.modul li::before {
  content: ""; position: absolute; left: 0; top: 0.62em;
  width: 6px; height: 6px; border-radius: 50%; background: var(--hijau);
}

/* ---------- alasan ---------- */
.alas { display: grid; gap: 1.5rem; }
.alas li { border-left: 0; }
.alas p { margin: 0; color: var(--tinta-lembut); }
.alas strong { color: var(--tinta); }

/* ---------- tawaran ---------- */
.tawaran {
  background: var(--kertas); border: 1.5px solid var(--hijau);
  border-radius: var(--radius); padding: clamp(1.6rem, 4vw, 2.6rem);
}
.tawaran h2 { margin-bottom: 0.7em; }
.tawaran p { color: var(--tinta-lembut); }
.tawaran .tombol { margin-top: 0.6rem; }

/* ---------- paket ---------- */
.paket {
  display: grid; gap: 1.2rem;
  grid-template-columns: repeat(auto-fit, minmax(255px, 1fr));
  align-items: start;
}
.kartu {
  border: 1px solid var(--garis); border-radius: var(--radius);
  padding: 1.6rem 1.5rem; background: var(--kertas);
  display: flex; flex-direction: column; height: 100%;
}
.kartu-utama { border: 2px solid var(--hijau); box-shadow: 0 1px 0 rgba(4, 120, 87, 0.08); }
.tanda-pilih {
  align-self: flex-start; margin-bottom: 0.9rem; padding: 0.25rem 0.7rem;
  background: var(--hijau-muda); color: var(--hijau-tua);
  font-size: 0.76rem; font-weight: 700; letter-spacing: 0.05em; text-transform: uppercase;
  border-radius: 100px;
}
.harga { font-size: 1.55rem; font-weight: 700; margin: 0.2rem 0 0.5rem; letter-spacing: -0.02em; }
.untuk { font-size: 0.93rem; color: var(--tinta-lembut); min-height: 2.9em; }
.kartu ul { display: grid; gap: 0.5rem; margin-top: 0.6rem; font-size: 0.95rem; }
.kartu li { padding-left: 1.5rem; position: relative; color: var(--tinta-lembut); }
.kartu li::before {
  content: ""; position: absolute; left: 0; top: 0.42em;
  width: 12px; height: 7px; border-left: 2px solid var(--hijau); border-bottom: 2px solid var(--hijau);
  transform: rotate(-45deg);
}

/* ---------- ajakan nego harga ---------- */
.ajak-nego {
  display: flex; flex-wrap: wrap; align-items: center; gap: 1.2rem 2rem;
  justify-content: space-between;
  margin-top: 1.6rem; padding: 1.5rem clamp(1.2rem, 3vw, 2rem);
  background: var(--hijau-muda); border-radius: var(--radius);
}
.ajak-nego > div { flex: 1 1 22rem; }
.ajak-nego h3 { margin-bottom: 0.35em; }
.ajak-nego p { margin: 0; color: var(--tinta-lembut); font-size: 0.97rem; max-width: 46ch; }
.ajak-nego .tombol { flex: 0 0 auto; }

/* ---------- rincian bulanan ---------- */
.kolom-dua {
  display: grid; gap: 2.2rem 3rem; margin-top: 2.6rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}
.judul-kecil { font-size: 1rem; margin-bottom: 0.9rem; }
.rincian { margin: 0 0 1rem; border-top: 1px solid var(--garis); }
.rincian > div {
  display: flex; justify-content: space-between; gap: 1rem;
  padding: 0.85rem 0; border-bottom: 1px solid var(--garis);
}
.rincian dt { color: var(--tinta-lembut); font-size: 0.96rem; }
.rincian dd { margin: 0; font-weight: 600; white-space: nowrap; }
.catatan { font-size: 0.95rem; color: var(--tinta-lembut); }
.catatan-termin {
  margin-top: 2.2rem; padding-top: 1.4rem; border-top: 1px solid var(--garis);
}

/* ---------- tanya jawab ---------- */
.tanya-jawab { border-top: 1px solid var(--garis); }
.tanya-jawab details { border-bottom: 1px solid var(--garis); }
.tanya-jawab summary {
  cursor: pointer; padding: 1.1rem 2.2rem 1.1rem 0; position: relative;
  font-weight: 600; list-style: none;
}
.tanya-jawab summary::-webkit-details-marker { display: none; }
.tanya-jawab summary::after {
  content: "+"; position: absolute; right: 0.2rem; top: 50%; transform: translateY(-50%);
  font-size: 1.3rem; font-weight: 400; color: var(--hijau); line-height: 1;
}
.tanya-jawab details[open] summary::after { content: "\2212"; }
.tanya-jawab details p { margin: 0 0 1.3rem; color: var(--tinta-lembut); max-width: 44rem; }

/* ---------- foto ---------- */
.dua-kolom { display: grid; gap: 2rem; align-items: start; }
.kolom-teks { min-width: 0; }
@media (min-width: 900px) {
  .dua-kolom { grid-template-columns: 1.25fr 0.75fr; gap: 3.2rem; }
}
.foto { margin: 0; }
.foto img {
  display: block; width: 100%; height: auto;
  border-radius: var(--radius); background: var(--remang);
}
.foto-lebar { margin: 0 0 2.2rem; }
.bagian-gelap .foto img { box-shadow: 0 14px 34px rgba(0, 0, 0, 0.3); }

/* ---------- kaki ---------- */
.kaki-halaman { border-top: 1px solid var(--garis); padding: 2.4rem 0; background: var(--kertas); }
.kaki-isi { display: flex; flex-wrap: wrap; gap: 1rem 3rem; justify-content: space-between; }
.kaki-isi p { margin: 0; font-size: 0.88rem; color: var(--tinta-lembut); max-width: 32rem; }

/* ---------- layar kecil ---------- */
@media (max-width: 860px) {
  .navigasi { display: none; }
  .kepala-isi { justify-content: space-between; }
  .merek-anak { display: none; }
  .merek-pisah { display: none; }
}
@media (max-width: 620px) {
  body { font-size: 1rem; }
  .aksi .tombol { width: 100%; }
  .daftar-garis li { padding-left: 2.2rem; }
  .penutup-daftar { padding-left: 2.2rem; }
  .langkah li { grid-template-columns: 2.2rem 1fr; gap: 0.9rem; }
  .langkah-nomor { width: 2rem; height: 2rem; font-size: 0.86rem; }
  .rincian > div { flex-direction: column; gap: 0.15rem; }
  .rincian dd { white-space: normal; }
  .ajak-nego { padding: 1.3rem 1.15rem; }
  .ajak-nego .tombol { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}

@media print {
  .kepala, .aksi, .bagian-tutup .aksi { display: none; }
  body { color: #000; font-size: 11pt; }
  .bagian-gelap { background: #fff; color: #000; }
  .bagian-gelap h2, .bagian-gelap h3, .bagian-gelap p, .bagian-gelap .langkah p { color: #000; }
}