/* ==========================================================================
   BASE — reset, tipografi, primitif tata letak
   ========================================================================== */

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

* { margin: 0; }

html {
  /* 106.25% dari 16px = 17px (CP-06) */
  font-size: 106.25%;
  -webkit-text-size-adjust: 100%;
  scroll-behavior: smooth;
  /* Header sticky ~72px + nafas, supaya anchor tidak tertutup */
  scroll-padding-top: 6rem;
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

body {
  min-height: 100dvh;
  font-family: var(--font-text);
  font-size: var(--fs-base);
  line-height: var(--lh-base);
  color: var(--ink);
  background: var(--paper);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  /* Kunci: body tidak pernah menggulir ke samping. Tabel lebar menggulir
     di dalam pembungkusnya sendiri, bukan menyeret seluruh halaman. */
  overflow-x: hidden;
}

img, svg, video { display: block; max-width: 100%; height: auto; }

button, input, select, textarea { font: inherit; color: inherit; }

button { cursor: pointer; background: none; border: none; padding: 0; }

a { color: inherit; text-decoration: none; }

ul, ol { list-style: none; padding: 0; }

table { border-collapse: collapse; width: 100%; }

/* --- Fokus keyboard -------------------------------------------------------
   Cincin fokus tidak pernah dihapus. Hanya disembunyikan untuk pointer. */
:focus-visible {
  outline: none;
  box-shadow: var(--focus-ring);
  border-radius: var(--r-sm);
}

/* --- Tipografi ------------------------------------------------------------ */

h1, h2, h3, h4 {
  font-family: var(--font-display);
  font-weight: 700;
  line-height: var(--lh-tight);
  letter-spacing: var(--ls-display);
  text-wrap: balance;
}

h1 { font-size: var(--fs-2xl); }
h2 { font-size: var(--fs-xl); }
h3 { font-size: var(--fs-lg); letter-spacing: var(--ls-tight); }
h4 { font-size: var(--fs-md); letter-spacing: var(--ls-tight); }

p { text-wrap: pretty; }

strong, b { font-weight: 600; }

/* Angka selalu tabular — kolom rupiah harus lurus, dan lebarnya tidak
   boleh berubah saat nilainya di-animasi menghitung naik. */
.num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1;
  letter-spacing: -0.02em;
}

/* Label kecil huruf besar — penanda bahasa editorial di seluruh situs */
.eyebrow {
  font-family: var(--font-text);
  font-size: var(--fs-2xs);
  font-weight: 600;
  letter-spacing: var(--ls-label);
  text-transform: uppercase;
  color: var(--ink-3);
}

.eyebrow--accent { color: var(--accent); }

.lede {
  font-size: var(--fs-md);
  line-height: var(--lh-loose);
  color: var(--ink-2);
  max-width: var(--measure);
}

.muted { color: var(--ink-2); }
.dim   { color: var(--ink-3); }

.text-pos { color: var(--accent); }
.text-neg { color: var(--critical); }

/* --- Primitif tata letak -------------------------------------------------- */

.container {
  width: 100%;
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

.container--narrow { max-width: var(--container-narrow); }

.section { padding-block: var(--section-y); }

.stack > * + * { margin-top: var(--sp-4); }
.stack-sm > * + * { margin-top: var(--sp-2); }
.stack-lg > * + * { margin-top: var(--sp-6); }

.cluster {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
}

.grid { display: grid; gap: var(--sp-4); }

.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }

@media (max-width: 960px) {
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 720px) {
  .grid-3, .grid-4 { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .grid-2 { grid-template-columns: minmax(0, 1fr); }
}

/* Garis rambut — pembawa struktur utama di bahasa visual ini */
.rule {
  height: 1px;
  background: var(--line);
  border: 0;
}

.rule--strong { background: var(--line-strong); height: 2px; }

/* --- Utilitas kecil -------------------------------------------------------
   Sengaja sedikit. Kalau daftar ini tumbuh panjang, itu tanda pola tersebut
   sebenarnya layak jadi komponen. */

.fs-xs { font-size: var(--fs-xs); }
.fs-sm { font-size: var(--fs-sm); }
.fs-md { font-size: var(--fs-md); }

.measure { max-width: var(--measure); }
.w-full { width: 100%; }
.flex-1 { flex: 1; }
.ml-auto { margin-left: auto; }
.nowrap { white-space: nowrap; }
.center { text-align: center; }

.mt-3 { margin-top: var(--sp-3); }
.mt-4 { margin-top: var(--sp-4); }
.mt-5 { margin-top: var(--sp-5); }
.mt-6 { margin-top: var(--sp-6); }
.mt-7 { margin-top: var(--sp-7); }

.mb-3 { margin-bottom: var(--sp-3); }
.mb-4 { margin-bottom: var(--sp-4); }
.mb-5 { margin-bottom: var(--sp-5); }
.mb-6 { margin-bottom: var(--sp-6); }

/* --- Utilitas aksesibilitas ----------------------------------------------- */

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  top: var(--sp-3);
  left: var(--sp-3);
  z-index: var(--z-toast);
  padding: var(--sp-3) var(--sp-4);
  background: var(--ink);
  color: var(--paper);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  font-weight: 600;
  transform: translateY(-200%);
  transition: transform var(--t-fast) var(--ease-out);
}

.skip-link:focus-visible { transform: translateY(0); }

/* --- Latar bergerak (CP-07) -----------------------------------------------
   Tiga lapisan diam di belakang seluruh konten. Hanya transform + opacity.
   Definisi keyframes ada di motion.css supaya bisa dimatikan seluruhnya. */

.bg-canvas {
  position: fixed;
  inset: 0;
  z-index: var(--z-bg);
  pointer-events: none;
  overflow: hidden;
}

.bg-canvas__aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: var(--aurora-opacity);
  will-change: transform;
}

.bg-canvas__aurora--a {
  width: 62vmax; height: 62vmax;
  top: -22vmax; left: -16vmax;
  background: radial-gradient(circle, var(--aurora-a) 0%, transparent 68%);
}

.bg-canvas__aurora--b {
  width: 54vmax; height: 54vmax;
  bottom: -20vmax; right: -14vmax;
  background: radial-gradient(circle, var(--aurora-b) 0%, transparent 68%);
}

/* Kisi editorial — mengingatkan pada kertas milimeter buku kas */
.bg-canvas__grid {
  position: absolute;
  inset: -1px;
  opacity: var(--grid-opacity);
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: radial-gradient(ellipse 90% 70% at 50% 0%, #000 20%, transparent 78%);
}

/* Butiran kertas — SVG noise inline, tidak ada permintaan jaringan */
.bg-canvas__grain {
  position: absolute;
  inset: 0;
  opacity: var(--grain-opacity);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='140' height='140'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='140' height='140' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* Konten selalu di atas latar */
.site-header, .site-main, .site-footer { position: relative; z-index: var(--z-base); }

/* --- Cetak ---------------------------------------------------------------- */
@media print {
  .bg-canvas, .site-header, .site-footer, .no-print { display: none !important; }
  body { background: #fff; color: #000; }
  .card, .panel { border: 1px solid #ccc !important; box-shadow: none !important; }
}