/* ============================================================
   BASE — warna (tema terang & gelap), reset, tipografi
   Ubah warna brand cukup di bagian :root di bawah ini.
   ============================================================ */

:root {
  /* Brand (sama di kedua tema) */
  --brand: #1A3C5E;
  --brand-deep: #0B1C2C;
  --accent: #F2A93B;
  --on-accent: #0B1C2C;
  --live-bg: #DFF3E6;
  --live-ink: #1C6B3A;

  /* Tema terang (bawaan) */
  --bg: #F4F2EE;
  --bg-alt: #E9E5DD;
  --surface: #FFFFFF;
  --surface-2: #F4F2EE;
  --ink: #13202B;
  --muted: #4A5866;
  --line: #E3DFD7;
  --line-strong: rgba(11, 28, 44, .32);
  --accent-ink: #8A5300;
  --link: #1A3C5E;
  --hero-bg: #F4F2EE;
  --hero-grid: rgba(26, 60, 94, .07);
  --map-bg: #FFFFFF;
  --map-panel: #F4F2EE;
  --island: #D3DCE5;
  --pin: #1A3C5E;
  --pin-ring: #F4F2EE;
  --ph: #E3DFD7;
  --ph-stripe: rgba(19, 32, 43, .06);
  --shadow: 0 18px 40px rgba(11, 28, 44, .12);
  --card-glass: #FFFFFF;

  /* Tipografi */
  --font-display: 'Archivo', 'Segoe UI', system-ui, sans-serif;
  --font-body: 'IBM Plex Sans', 'Segoe UI', system-ui, sans-serif;
  --font-mono: 'IBM Plex Mono', ui-monospace, 'Courier New', monospace;

  /* Ukuran */
  --radius-sm: 8px;
  --radius: 12px;
  --radius-lg: 16px;
  --radius-xl: 20px;
  --container: 1280px;
  --gutter: clamp(16px, 4vw, 32px);
  --section-y: clamp(64px, 9vw, 112px);

  color-scheme: light;
}

:root[data-theme="dark"] {
  --bg: #0B1C2C;
  --bg-alt: #0F2335;
  --surface: #10263A;
  --surface-2: #142D44;
  --ink: #F1F4F7;
  --muted: #C2CDD8;
  --line: rgba(255, 255, 255, .12);
  --line-strong: rgba(255, 255, 255, .32);
  --accent-ink: #F2A93B;
  --link: #8EC0EA;
  --hero-bg: #0B1C2C;
  --hero-grid: rgba(255, 255, 255, .04);
  --map-bg: #0D2133;
  --map-panel: #10263A;
  --island: #1D3A55;
  --pin: #FFFFFF;
  --pin-ring: #0B1C2C;
  --ph: #22384D;
  --ph-stripe: rgba(255, 255, 255, .05);
  --shadow: 0 18px 40px rgba(0, 0, 0, .35);
  --card-glass: rgba(11, 28, 44, .9);
  --live-bg: #173B2A;
  --live-ink: #8BE0AE;

  color-scheme: dark;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; scroll-padding-top: 88px; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  transition: background-color .25s ease, color .25s ease;
}
img, svg, video { display: block; max-width: 100%; }
img { height: auto; }
a { color: var(--link); }
a:hover { color: var(--ink); }
button, input, select, textarea { font: inherit; color: inherit; }
h1, h2, h3, h4, p, ul, ol, dl, dd, figure { margin: 0; }
ul, ol { padding: 0; list-style: none; }
address { font-style: normal; }
[hidden] { display: none !important; }

:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ── Tipografi ── */
.eyebrow {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
}
.eyebrow-num { font-size: 13px; color: var(--accent-ink); letter-spacing: .1em; }
.text-accent { color: var(--accent-ink); }
.text-accent-fixed { color: var(--accent); }

.section-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 3.6vw, 52px);
  line-height: 1.06;
  letter-spacing: -0.015em;
}
.section-title-sm { font-size: clamp(26px, 2.6vw, 36px); margin-bottom: 28px; }
.section-lead { font-size: 17px; line-height: 1.65; color: var(--muted); max-width: 640px; }

.prose p { margin-bottom: 1em; color: var(--muted); font-size: 17px; line-height: 1.75; }
.prose p:last-child { margin-bottom: 0; }

.skip-link {
  position: absolute; left: 12px; top: -60px; z-index: 1000;
  background: var(--accent); color: var(--on-accent); padding: 10px 16px; border-radius: 8px; font-weight: 600;
}
.skip-link:focus { top: 12px; }

/* Placeholder gambar */
.ph {
  background-color: var(--ph);
  background-image: repeating-linear-gradient(135deg, var(--ph-stripe) 0 2px, transparent 2px 14px);
}