/* ==========================================================================
   Pria Prima - Sistem Desain "Teduh Senja"
   base.css: Token Desain, Tipografi, Reset, dan Aksesibilitas
   ========================================================================== */

:root {
  /* Palet Warna "Teduh Senja" */
  --bg: #fbf6ee;          /* Pasir hangat */
  --text: #1f2a44;        /* Indigo mendalam */
  --accent: #c4572f;      /* Terakota */
  --accent-hover: #a84622;
  --accent-2: #5f7d6b;    /* Sage */
  --accent-2-hover: #4e6758;
  --neutral: #e8dfd0;     /* Garis & batas netral */
  --neutral-light: #f4eee3;
  --white: #ffffff;
  --danger: #a32020;      /* Khusus blok peringatan medis/darurat */
  --danger-bg: #fae8e8;
  --danger-border: #e2a5a5;

  /* Tipografi */
  --font-heading: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Source Sans 3', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --font-base-size: 18px;
  --line-height-base: 1.65;
  --line-height-tight: 1.25;

  /* Komponen & Grid */
  --radius-sm: 4px;
  --radius-card: 6px;
  --touch-target: 44px;
  --max-width: 1120px;
  --max-text-width: 760px;
  --space-xs: 0.5rem;
  --space-sm: 0.875rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;

  /* Transisi */
  --transition-fast: 0.2s ease-in-out;
  --transition-normal: 0.35s ease-in-out;
}

/* Reset Dasar */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: var(--font-base-size);
  scroll-behavior: smooth;
  background-color: var(--bg);
  color: var(--text);
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-body);
  line-height: var(--line-height-base);
  color: var(--text);
  background-color: var(--bg);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

main {
  flex: 1 0 auto;
}

/* Aksesibilitas: Indikator Fokus Terlihat */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* Tipografi Utama */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--line-height-tight);
  color: var(--text);
  margin-bottom: var(--space-sm);
}

h1 {
  font-size: 2.25rem;
  letter-spacing: -0.02em;
}

h2 {
  font-size: 1.75rem;
  margin-top: var(--space-lg);
}

h3 {
  font-size: 1.35rem;
  margin-top: var(--space-md);
}

p {
  margin-bottom: var(--space-md);
}

p.lead {
  font-size: 1.15rem;
  line-height: 1.7;
  color: var(--text);
}

a {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--accent-hover);
}

ul, ol {
  margin-bottom: var(--space-md);
  padding-left: 1.5rem;
}

li {
  margin-bottom: 0.35rem;
}

/* Container */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

.container-readable {
  width: 100%;
  max-width: var(--max-text-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: 1.25rem;
  padding-right: 1.25rem;
}

/* Mode Pengembang: .todo Stub */
.todo {
  display: inline-block;
  background-color: #fff3cd;
  color: #856404;
  border: 1px dashed #ffeeba;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  font-size: 0.85em;
  font-family: monospace;
  font-weight: 600;
  vertical-align: middle;
  margin: 0 0.2rem;
}

body.dev .todo {
  display: inline-block;
  background-color: #fff3cd;
  color: #856404;
  border: 1px dashed #ffeeba;
  padding: 0.15rem 0.45rem;
  border-radius: var(--radius-sm);
  font-size: 0.85em;
  font-family: monospace;
  font-weight: 600;
  vertical-align: middle;
  margin: 0 0.2rem;
}

/* Utilitas Pembaca Layar (Screen Reader Only) */
.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;
}

/* Animasi Fade-in Sederhana (Konten selalu terlihat, animasi lembut saat dimuat) */
@keyframes fadeInAnim {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.fade-in {
  opacity: 1;
  transform: translateY(0);
  animation: fadeInAnim 0.4s ease-out;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Nonaktifkan Semua Animasi jika Prefers Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  .fade-in {
    opacity: 1 !important;
    transform: none !important;
  }
}