/* Identitas visual mastrigus.com (tema Blocksy) sebagai basis layout, tapi
   nilai spacing/radius/warna diselaraskan ke Apple Human Interface
   Guidelines: grid 8pt, radius elemen besar 20px, biru sistem #007AFF. */
:root {
  --max-width: 1000px;
  --ink: #1d1d1f;
  --ink-soft: #6d6d72;
  --link: #007aff;
  --page-bg: #f5f6f7;
  --card-bg: #ffffff;
  --card-radius: 20px;
}
* { box-sizing: border-box; }
/* Skala tipografi HIG: body 16px, H1 32px/700, H2 28px/600, teks kecil
   12px/400. Weight cuma pakai 4 nilai resmi HIG: 400/500/600/700. */
body {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  margin: 0;
  color: var(--ink);
  background: var(--page-bg);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--link); }

/* Ring fokus untuk navigasi keyboard (Tab) -- padanan "Full Keyboard
   Access" macOS. :focus-visible supaya cuma muncul saat keyboard, tidak
   mengganggu saat klik mouse. */
:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 2px;
  border-radius: 4px;
}

/* Perluas area klik elemen interaktif kecil ke minimum 44x44px HIG tanpa
   mengubah ukuran visualnya -- ::after transparan yang membentang lebih
   luas dari elemen aslinya, disentrasi lewat translate. */
.pagination a, .tag-pill, .site-footer-links a {
  position: relative;
}
.pagination a::after, .tag-pill::after, .site-footer-links a::after {
  content: "";
  position: absolute;
  top: 50%; left: 50%;
  width: max(100%, 44px); height: max(100%, 44px);
  transform: translate(-50%, -50%);
}

/* --- Header --- */
.site-header { background: #fff; border-bottom: 1px solid #ececec; }
.site-header-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 1rem 1.5rem;
  display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap;
}
.site-logo { text-decoration: none; font-weight: 700; font-size: 1.3rem; letter-spacing: -0.02em; }
.site-logo-mark { color: var(--ink); }
.site-logo-rest { color: var(--link); }
/* --- Layout dua kolom: konten + sidebar kategori --- */
.page-layout {
  max-width: var(--max-width); margin: 0 auto; padding: 2.5rem 1.5rem 4rem;
  display: grid; grid-template-columns: 220px 1fr; grid-template-areas: "sidebar content"; gap: 2.5rem;
}
main { grid-area: content; min-width: 0; }
.sidebar { grid-area: sidebar; align-self: start; padding: 4px 0; }
/* Grid 4px konsisten dengan gap antar-row: gap sekecil mungkin (2px) supaya
   pemisahnya adalah warna, bukan jarak -- baru padding di tiap row (8px
   vertikal/12px horizontal) yang membentuk area sentuh & ritme vertikalnya. */
.sidebar-categories { display: flex; flex-direction: column; gap: 8px; }

/* Tiap kategori chip-nya sendiri (bukan satu kotak besar) -- hover ala Apple:
   scale halus + background yang muncul lembut, bukan langsung "klak". */
.sidebar-categories a {
  color: var(--ink-soft); text-decoration: none; font-weight: 500; font-size: 0.875rem; line-height: 1.3;
  /* Latar sangat lembut sejak diam -- supaya tiap kategori sudah kebaca
     sebagai elemen diskrit tanpa perlu garis pemisah, mirip baris di
     System Settings/Apple Music. Hover tinggal menegaskan, bukan
     memunculkan dari nol. */
  background: rgba(29, 29, 31, 0.035); border-radius: 8px; padding: 8px 12px;
  transform: scale(1); transform-origin: left center;
  transition: background 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              color 0.35s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.35s cubic-bezier(0.22, 1, 0.36, 1);
}
.sidebar-categories a:hover {
  background: var(--card-bg); color: var(--ink);
  transform: scale(1.03);
  box-shadow: 0 6px 18px rgba(29, 29, 31, 0.07);
}
/* Kategori yang sedang dilihat (halaman kategori itu sendiri, atau kategori
   dari artikel yang sedang dibuka) -- "menyala" permanen, warnanya dibedakan
   dari hover biasa (accent, bukan cuma gelap) supaya jelas ini status aktif. */
.sidebar-categories a.is-active {
  background: var(--card-bg); color: var(--link); font-weight: 700;
  box-shadow: 0 6px 18px rgba(29, 29, 31, 0.07);
}

/* --- Kartu unggulan (artikel paling atas): gambar kiri, konten kanan --- */
.entry-featured {
  display: flex; background: var(--card-bg); border-radius: var(--card-radius); overflow: hidden;
  margin-bottom: 2rem; min-height: 320px;
  transition: transform 0.3s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s cubic-bezier(0.22, 1, 0.36, 1);
}
.entry-featured:hover { transform: translateY(-3px); box-shadow: 0 16px 36px rgba(29, 29, 31, 0.1); }
.entry-featured-media { flex: 0 0 55%; display: block; overflow: hidden; }
.entry-featured-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.4s ease; }
.entry-featured:hover .entry-featured-media img { transform: scale(1.04); }
.entry-featured-body { flex: 1; display: flex; flex-direction: column; justify-content: center; padding: 2.5rem; gap: 1rem; }
.entry-featured-label {
  font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; color: var(--ink-soft);
}
.entry-featured-title { font-size: 1.75rem; font-weight: 700; line-height: 1.25; margin: 0; letter-spacing: -0.01em; }
.entry-featured-title a { color: var(--ink); text-decoration: none; transition: color 0.15s; }
.entry-featured-title a:hover { color: var(--link); }
.entry-featured-time {
  display: flex; align-items: center; gap: 0.4rem; color: var(--ink-soft); font-size: 12px; font-weight: 400; margin-top: 0.3rem;
}
.entry-featured-time svg { flex-shrink: 0; }

/* --- Grid artikel --- */
.entries-heading { font-size: 1.75rem; font-weight: 700; margin: 0 0 1.75rem; }
.entries { display: grid; grid-template-columns: repeat(2, 1fr); gap: 2rem; }
.entries-empty { color: var(--ink-soft); }

.entry-card {
  background: var(--card-bg); border-radius: var(--card-radius); padding: 2rem;
  display: flex; flex-direction: column; transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.entry-card:hover { transform: translateY(-3px); box-shadow: 0 12px 28px rgba(29, 29, 31, 0.08); }
.entry-media {
  display: block; margin: -2rem -2rem 1.25rem; border-radius: var(--card-radius) var(--card-radius) 0 0;
  overflow: hidden; aspect-ratio: 16/9;
}
.entry-media img { width: 100%; height: 100%; object-fit: cover; display: block; transition: transform 0.35s ease; }
.entry-card:hover .entry-media img { transform: scale(1.04); }

.entry-cats { list-style: none; margin: 0 0 0.6rem; padding: 0; font-size: 12px; }
.entry-cats a { color: var(--ink-soft); text-decoration: none; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; transition: color 0.15s; }
.entry-cats a:hover { color: var(--link); }

.entry-title { font-size: 1.35rem; font-weight: 700; line-height: 1.3; margin: 0 0 0.6rem; }
.entry-title a { color: var(--ink); text-decoration: none; transition: color 0.15s; }
.entry-title a:hover { color: var(--link); }

.entry-date { list-style: none; margin: auto 0 0; padding: 0; font-size: 12px; font-weight: 400; color: var(--ink-soft); }

/* --- Artikel penuh --- */
.article-full { background: var(--card-bg); border-radius: var(--card-radius); padding: 3rem; }
.article-header { margin-bottom: 1.5rem; }
.article-header h1 { font-size: 2rem; font-weight: 700; line-height: 1.2; margin: 0.4rem 0; letter-spacing: -0.01em; }
.article-full .featured-image { width: 100%; border-radius: 12px; margin: 0 0 1.75rem; aspect-ratio: 16/9; object-fit: cover; }
.article-content { font-size: 1.15rem; line-height: 1.65; font-weight: 400; }
.article-content img { max-width: 100%; height: auto; border-radius: 12px; }
.article-content h2 { font-size: 1.75rem; font-weight: 600; margin: 2rem 0 1rem; }
.article-content h3 { font-size: 1.375rem; font-weight: 600; margin: 1.75rem 0 0.85rem; }
.article-content a { text-decoration: underline; }
.article-content pre { background: #f4f5f7; padding: 1rem; border-radius: 12px; overflow-x: auto; }
.article-content blockquote { margin: 1.5rem 0; padding: 0.25rem 1.5rem; border-left: 3px solid var(--link); color: var(--ink-soft); }

.article-tags { margin-top: 2rem; padding-top: 1.5rem; border-top: 1px solid #ececec; display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
.article-tags-label { font-weight: 600; color: var(--ink-soft); font-size: 14px; }
.tag-pill {
  display: inline-block; font-size: 12px; background: #f0f4f8; color: var(--ink-soft);
  padding: 0.3rem 0.75rem; border-radius: 999px; text-decoration: none; font-weight: 500;
  transition: background 0.15s, color 0.15s;
}
.tag-pill:hover { background: #e6f0fa; color: var(--link); }

/* --- Pagination --- */
.pagination { display: flex; justify-content: space-between; margin-top: 3rem; }
.pagination a { text-decoration: none; color: var(--link); font-weight: 600; }

/* --- Footer --- */
.site-footer { background: #fff; border-top: 1px solid #ececec; margin-top: 3rem; }
.site-footer-inner {
  max-width: var(--max-width); margin: 0 auto; padding: 2.5rem 1.5rem;
  display: flex; flex-direction: column; align-items: center; gap: 0.75rem; text-align: center;
}
.site-footer-brand strong { display: block; font-size: 1rem; font-weight: 600; }
.site-footer-brand span { color: var(--ink-soft); font-size: 14px; font-weight: 400; }
.site-footer-links { display: flex; gap: 1.25rem; flex-wrap: wrap; justify-content: center; }
.site-footer-links a { color: var(--ink-soft); text-decoration: none; font-size: 14px; font-weight: 400; }
.site-footer-links a:hover { color: var(--link); }
.site-footer-copyright { color: var(--ink-soft); font-size: 12px; font-weight: 400; margin: 0.5rem 0 0; }

/* --- Responsif ---
   Sidebar kategori pindah ke bawah konten di layar sempit -- ini murni
   lewat urutan grid-template-areas (bukan reorder DOM), jadi tetap
   masuk akal buat screen reader: konten dulu, baru daftar kategori. */
@media (max-width: 900px) {
  .page-layout { grid-template-columns: 1fr; grid-template-areas: "content" "sidebar"; }
  /* Satu baris yang di-scroll horizontal (pola App Store/Apple Music untuk
     daftar kategori panjang di mobile) -- bukan wrap ke banyak baris yang
     bikin sidebar terasa seperti blok grid raksasa sebelum konten. */
  .sidebar { padding: 0; min-width: 0; }
  .sidebar-categories {
    flex-direction: row; flex-wrap: nowrap; gap: 8px;
    overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none;
    padding: 4px 0;
  }
  .sidebar-categories::-webkit-scrollbar { display: none; }
  .sidebar-categories a { flex-shrink: 0; white-space: nowrap; }
}
@media (max-width: 640px) {
  /* Di lebar HP, padding kiri-kanan .page-layout numpuk sama padding
     internal kartu artikel penuh (double padding, jadi konten kelihatan
     sempit kepepet) -- khusus di halaman artikel, kiri-kanan-nya dihapus
     supaya padding kartu sendiri yang jadi jarak ke tepi layar. Homepage/
     kategori/tag tetap pakai padding biasa karena kartunya grid kecil-kecil,
     bukan satu kartu besar. */
  .page-layout-article { padding-left: 0; padding-right: 0; }
  .entries { grid-template-columns: 1fr; }
  .entry-featured { flex-direction: column; min-height: 0; }
  .entry-featured-media { flex-basis: auto; aspect-ratio: 16/9; }
  .entry-featured-body { padding: 1.5rem; }
  .entry-featured-title { font-size: 1.5rem; }
  .article-full { padding: 1.5rem; }
  .article-header h1 { font-size: 1.8rem; }
}