/* ==========================================================================
   IKAN PEMBURU — DESIGN SYSTEM
   Static site. No framework. Mobile-first. See PROJECT-STATE.md for the
   design decisions this file encodes (palette, type scale, layout rules).
   ========================================================================== */

/* -------------------------------------------------------------------------
   1. CUSTOM PROPERTIES
   ------------------------------------------------------------------------- */
:root {
  /* Palette — Project Constitution Bagian 13 (do not change without a
     content/brand decision, see PROJECT-STATE.md) */
  --water-950: #071B22;
  --water-900: #0B2730;
  --river-700: #17656D;
  --river-500: #2B858A;
  --moss-700: #29483B;
  --sand-100: #F4EFE5;
  --sand-50:  #FAF8F2;
  --clay-500: #C6783E;
  --ink-900:  #12191B;
  --ink-600:  #536064;
  --line:     #D8D8CF;
  --white:    #FFFFFF;

  /* Semantic aliases */
  --color-bg: var(--sand-50);
  --color-surface: var(--white);
  --color-text: var(--ink-900);
  --color-text-muted: var(--ink-600);
  --color-border: var(--line);
  --color-accent: var(--clay-500);
  --color-link: var(--river-700);
  --color-link-hover: var(--water-900);
  --color-footer-bg: var(--water-950);
  --color-footer-text: var(--sand-100);
  --color-footer-text-muted: #9FB2AF;

  /* Typography */
  --font-editorial: 'Newsreader', Georgia, 'Times New Roman', serif;
  --font-ui: 'Manrope', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --fs-body: 1rem;
  --fs-small: 0.875rem;
  --fs-xsmall: 0.8125rem;
  --fs-h1: clamp(2rem, 1.6rem + 1.8vw, 3.25rem);
  --fs-h2: clamp(1.5rem, 1.3rem + 0.9vw, 2.125rem);
  --fs-h3: clamp(1.25rem, 1.15rem + 0.5vw, 1.5rem);
  --fs-h4: 1.125rem;
  --fs-dek: clamp(1.0625rem, 1rem + 0.3vw, 1.25rem);
  --fs-eyebrow: 0.8125rem;

  --lh-body: 1.7;
  --lh-tight: 1.25;
  --lh-heading: 1.15;

  /* Spacing scale */
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.5rem;
  --space-6: 2rem;
  --space-7: 3rem;
  --space-8: 4rem;
  --space-9: 6rem;

  /* Layout */
  --max-width: 1200px;
  --reading-width: 740px;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --header-height: 72px;

  /* Motion */
  --duration-fast: 150ms;
  --duration-base: 220ms;
  --ease-standard: cubic-bezier(0.2, 0, 0, 1);

  /* Elevation */
  --shadow-sm: 0 1px 2px rgba(11, 39, 48, 0.08);
  --shadow-md: 0 6px 20px -6px rgba(11, 39, 48, 0.18);
  --shadow-lg: 0 16px 40px -12px rgba(11, 39, 48, 0.28);

  /* z-index scale — Bagian 4 UI/UX guidance */
  --z-base: 1;
  --z-sticky: 10;
  --z-dropdown: 20;
  --z-overlay: 30;
  --z-modal: 50;
}

/* -------------------------------------------------------------------------
   2. RESET / BASE
   ------------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }
* { margin: 0; }

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

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

body {
  font-family: var(--font-ui);
  font-size: var(--fs-body);
  line-height: var(--lh-body);
  color: var(--color-text);
  background: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

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

h1, h2, h3, h4 {
  font-family: var(--font-editorial);
  line-height: var(--lh-heading);
  font-weight: 600;
  color: var(--color-text);
  text-wrap: balance;
}
h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); margin-top: var(--space-7); }
h3 { font-size: var(--fs-h3); margin-top: var(--space-6); }
h4 { font-size: var(--fs-h4); margin-top: var(--space-5); }

p { max-width: 75ch; }
p + p { margin-top: var(--space-4); }

a {
  color: var(--color-link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}
a:hover { color: var(--color-link-hover); }

ul, ol { padding-left: 1.25em; }
li + li { margin-top: var(--space-2); }

button { font-family: inherit; }

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
}

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

::selection { background: var(--river-500); color: var(--white); }

/* Focus states — Bagian 1 aksesibilitas: fokus harus selalu terlihat */
:focus-visible {
  outline: 3px solid var(--river-500);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
a:focus-visible, button:focus-visible {
  outline: 3px solid var(--river-500);
  outline-offset: 2px;
}

/* -------------------------------------------------------------------------
   3. SKIP LINK
   ------------------------------------------------------------------------- */
.skip-link {
  position: absolute;
  left: var(--space-4);
  top: -100px;
  background: var(--water-900);
  color: var(--sand-50);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  z-index: var(--z-modal);
  transition: top var(--duration-base) var(--ease-standard);
}
.skip-link:focus {
  top: var(--space-4);
}

/* -------------------------------------------------------------------------
   4. LAYOUT UTILITIES
   ------------------------------------------------------------------------- */
.container {
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--space-5);
}
@media (min-width: 768px) {
  .container { padding-inline: var(--space-6); }
}

.prose {
  max-width: var(--reading-width);
  margin-inline: auto;
}

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

.section {
  padding-block: var(--space-8);
}
.section--tight { padding-block: var(--space-7); }

.eyebrow {
  font-family: var(--font-ui);
  font-size: var(--fs-eyebrow);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--river-700);
}

/* -------------------------------------------------------------------------
   5. HEADER
   ------------------------------------------------------------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: var(--z-sticky);
  background: rgba(250, 248, 242, 0.92);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-border);
  height: var(--header-height);
  display: flex;
  align-items: center;
}
.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-5);
  width: 100%;
}
.site-header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.site-header__logo img { height: 28px; width: auto; }
.site-header__logo .logo-mark-only { display: none; }

.site-nav {
  display: none;
}
.site-nav__list {
  display: flex;
  gap: var(--space-6);
  list-style: none;
  padding: 0;
}
.site-nav__link {
  font-weight: 600;
  color: var(--ink-900);
  text-decoration: none;
  padding-block: var(--space-2);
  border-bottom: 2px solid transparent;
  transition: border-color var(--duration-fast) var(--ease-standard), color var(--duration-fast) var(--ease-standard);
}
.site-nav__link:hover,
.site-nav__link[aria-current="page"] {
  color: var(--river-700);
  border-bottom-color: var(--river-500);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: var(--space-2);
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  background: transparent;
  color: var(--ink-900);
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-standard);
}
.icon-btn:hover { background: var(--sand-100); }
.icon-btn svg { width: 22px; height: 22px; }

@media (min-width: 900px) {
  .site-header__logo .logo-mark-only { display: none; }
  .site-header__logo .logo-full { display: block; }
  .site-nav { display: block; }
  .nav-toggle { display: none; }
}
@media (max-width: 899.98px) {
  .site-header__logo .logo-full { display: none; }
  .site-header__logo .logo-mark-only { display: flex; }
  .site-header__logo .logo-mark-only img { height: 32px; }
}

/* Mobile nav toggle */
.nav-toggle {
  position: relative;
}
.nav-toggle__bars {
  display: block;
  width: 20px;
  height: 2px;
  background: currentColor;
  position: relative;
}
.nav-toggle__bars::before,
.nav-toggle__bars::after {
  content: "";
  position: absolute;
  left: 0;
  width: 20px;
  height: 2px;
  background: currentColor;
  transition: transform var(--duration-base) var(--ease-standard);
}
.nav-toggle__bars::before { top: -6px; }
.nav-toggle__bars::after { top: 6px; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars { background: transparent; }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::before { transform: translateY(6px) rotate(45deg); }
.nav-toggle[aria-expanded="true"] .nav-toggle__bars::after { transform: translateY(-6px) rotate(-45deg); }

/* Mobile nav drawer */
.mobile-nav {
  position: fixed;
  inset: var(--header-height) 0 0 0;
  background: var(--sand-50);
  z-index: var(--z-overlay);
  padding: var(--space-6) var(--space-5);
  transform: translateX(100%);
  transition: transform var(--duration-base) var(--ease-standard);
  overflow-y: auto;
}
.mobile-nav[data-open="true"] { transform: translateX(0); }
.mobile-nav__list {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
}
.mobile-nav__list li + li { margin-top: 0; }
.mobile-nav__link {
  display: block;
  font-family: var(--font-editorial);
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--ink-900);
  text-decoration: none;
  padding-block: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
@media (min-width: 900px) {
  .mobile-nav { display: none; }
}

/* -------------------------------------------------------------------------
   6. FOOTER
   ------------------------------------------------------------------------- */
.site-footer {
  background: var(--color-footer-bg);
  color: var(--color-footer-text);
  padding-block: var(--space-8) var(--space-6);
}
.site-footer a { color: var(--color-footer-text); }
.site-footer a:hover { color: var(--white); }
.site-footer__top {
  display: grid;
  gap: var(--space-7);
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .site-footer__top { grid-template-columns: 1.3fr 1fr 1fr 1fr; }
}
.site-footer__brand img { height: 30px; width: auto; }
.site-footer__tagline {
  margin-top: var(--space-4);
  color: var(--color-footer-text-muted);
  max-width: 32ch;
}
.site-footer__heading {
  font-family: var(--font-ui);
  font-size: var(--fs-xsmall);
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-footer-text-muted);
  margin-bottom: var(--space-3);
}
.site-footer__list { list-style: none; padding: 0; }
.site-footer__list a { text-decoration: none; }
.site-footer__list a:hover { text-decoration: underline; }
.site-footer__bottom {
  margin-top: var(--space-8);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(244, 239, 229, 0.14);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-5);
  justify-content: space-between;
  color: var(--color-footer-text-muted);
  font-size: var(--fs-small);
}

/* -------------------------------------------------------------------------
   7. BUTTONS
   ------------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-md);
  font-weight: 700;
  font-size: var(--fs-small);
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-standard),
              color var(--duration-fast) var(--ease-standard),
              border-color var(--duration-fast) var(--ease-standard);
}
.btn--primary {
  background: var(--water-900);
  color: var(--sand-50);
}
.btn--primary:hover { background: var(--water-950); color: var(--sand-50); }
.btn--secondary {
  background: transparent;
  color: var(--ink-900);
  border-color: var(--ink-900);
}
.btn--secondary:hover { background: var(--ink-900); color: var(--sand-50); }
.btn--on-dark {
  background: var(--sand-50);
  color: var(--water-950);
}
.btn--on-dark:hover { background: var(--white); }

/* -------------------------------------------------------------------------
   8. BREADCRUMB
   ------------------------------------------------------------------------- */
.breadcrumb {
  font-size: var(--fs-small);
  color: var(--color-text-muted);
}
.breadcrumb ol {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}
.breadcrumb li { display: flex; align-items: center; gap: var(--space-2); }
.breadcrumb li + li { margin-top: 0; }
.breadcrumb li:not(:last-child)::after {
  content: "/";
  color: var(--color-border);
  margin-left: var(--space-2);
}
.breadcrumb a { color: var(--color-text-muted); text-decoration: none; }
.breadcrumb a:hover { color: var(--river-700); text-decoration: underline; }
.breadcrumb [aria-current="page"] { color: var(--ink-900); font-weight: 600; }

/* -------------------------------------------------------------------------
   9. CATEGORY LABEL
   ------------------------------------------------------------------------- */
.category-label {
  display: inline-flex;
  align-items: center;
  font-size: var(--fs-xsmall);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--river-700);
  text-decoration: none;
}
.category-label::before {
  content: "";
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--clay-500);
  margin-right: var(--space-2);
}

/* -------------------------------------------------------------------------
   10. CARDS
   ------------------------------------------------------------------------- */
.card-grid {
  display: grid;
  gap: var(--space-6);
  grid-template-columns: 1fr;
}
@media (min-width: 640px) {
  .card-grid--2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 900px) {
  .card-grid--3 { grid-template-columns: repeat(3, 1fr); }
  .card-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.card {
  display: flex;
  flex-direction: column;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  transition: box-shadow var(--duration-base) var(--ease-standard), border-color var(--duration-base) var(--ease-standard);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--river-500);
}
.card__media {
  aspect-ratio: 4 / 3;
  background: var(--sand-100);
  overflow: hidden;
}
.card__media img { width: 100%; height: 100%; object-fit: cover; }
.card__body {
  padding: var(--space-5);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  flex-grow: 1;
}
.card__title {
  font-family: var(--font-editorial);
  font-size: 1.25rem;
  font-weight: 600;
  line-height: var(--lh-tight);
  color: var(--ink-900);
}
.card__excerpt {
  color: var(--color-text-muted);
  font-size: var(--fs-small);
  line-height: 1.6;
}
.card__meta {
  margin-top: auto;
  padding-top: var(--space-3);
  font-size: var(--fs-xsmall);
  color: var(--color-text-muted);
}

.card--featured {
  display: grid;
  grid-template-columns: 1fr;
}
@media (min-width: 768px) {
  .card--featured { grid-template-columns: 1.2fr 1fr; }
  .card--featured .card__media { aspect-ratio: auto; height: 100%; }
}
.card--featured .card__title { font-size: clamp(1.5rem, 1.3rem + 1vw, 2rem); }

.card--compact { flex-direction: row; }
.card--compact .card__media { width: 112px; flex-shrink: 0; aspect-ratio: 1; }
.card--compact .card__body { padding: var(--space-3) var(--space-4); }
.card--compact .card__title { font-size: 1rem; }

/* -------------------------------------------------------------------------
   11. HERO (homepage)
   ------------------------------------------------------------------------- */
.hero {
  display: grid;
  gap: var(--space-6);
  align-items: center;
  grid-template-columns: 1fr;
  padding-block: var(--space-7);
}
@media (min-width: 900px) {
  .hero { grid-template-columns: 1.1fr 0.9fr; padding-block: var(--space-8); }
}
.hero__description {
  margin-top: var(--space-4);
  font-size: var(--fs-dek);
  color: var(--color-text-muted);
  max-width: 52ch;
}
.hero__actions {
  margin-top: var(--space-6);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.hero__media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4 / 3;
  background: var(--sand-100);
}
.hero__media img { width: 100%; height: 100%; object-fit: cover; }
.hero__caption {
  margin-top: var(--space-3);
  font-size: var(--fs-xsmall);
  color: var(--color-text-muted);
  font-style: italic;
}

/* -------------------------------------------------------------------------
   12. ARTICLE TEMPLATE
   ------------------------------------------------------------------------- */
.article-header {
  padding-block: var(--space-6) var(--space-5);
}
.article-header__dek {
  margin-top: var(--space-4);
  font-size: var(--fs-dek);
  color: var(--color-text-muted);
  max-width: var(--reading-width);
}
.article-meta {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  align-items: center;
  font-size: var(--fs-small);
  color: var(--color-text-muted);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
  padding-block: var(--space-3);
}
.article-meta__author { font-weight: 700; color: var(--ink-900); }

.article-hero {
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-block: var(--space-6);
  aspect-ratio: 16 / 9;
  background: var(--sand-100);
}
.article-hero img { width: 100%; height: 100%; object-fit: cover; }

.reading-progress {
  position: fixed;
  top: 0; left: 0;
  height: 3px;
  width: 0%;
  background: var(--river-500);
  z-index: calc(var(--z-sticky) + 1);
  transition: width var(--duration-fast) linear;
}

/* Jawaban singkat */
.quick-answer {
  background: var(--sand-100);
  border-left: 4px solid var(--river-500);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin-block: var(--space-6);
  max-width: var(--reading-width);
  margin-inline: auto;
}
.quick-answer p { max-width: none; }

/* Table of contents */
.toc {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  max-width: var(--reading-width);
  margin: var(--space-6) auto;
}
.toc__title {
  font-size: var(--fs-xsmall);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--river-700);
  margin-bottom: var(--space-3);
}
.toc ol {
  list-style: none;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}
.toc a {
  text-decoration: none;
  color: var(--ink-900);
  font-size: var(--fs-small);
  border-left: 2px solid transparent;
  padding-left: var(--space-3);
  display: block;
}
.toc a:hover { color: var(--river-700); }
.toc a[aria-current="true"] {
  border-left-color: var(--river-500);
  color: var(--river-700);
  font-weight: 700;
}

/* Article body */
.article-body {
  max-width: var(--reading-width);
  margin-inline: auto;
}
.article-body > * + * { margin-top: var(--space-4); }
.article-body h2:first-child { margin-top: 0; }
.article-body blockquote {
  border-left: 3px solid var(--clay-500);
  padding-left: var(--space-5);
  font-family: var(--font-editorial);
  font-size: 1.125rem;
  font-style: italic;
  color: var(--ink-900);
}
.article-body .drop-cap:first-letter {
  font-family: var(--font-editorial);
  font-size: 3.5em;
  float: left;
  line-height: 0.85;
  padding-right: var(--space-2);
  padding-top: var(--space-1);
  font-weight: 600;
  color: var(--river-700);
}

/* Quick fact table */
.fact-table {
  max-width: var(--reading-width);
  margin: var(--space-6) auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.fact-table table { font-size: var(--fs-small); }
.fact-table th, .fact-table td {
  text-align: left;
  padding: var(--space-3) var(--space-4);
  border-bottom: 1px solid var(--color-border);
}
.fact-table th {
  width: 40%;
  color: var(--color-text-muted);
  font-weight: 600;
  background: var(--sand-100);
}
.fact-table tr:last-child th, .fact-table tr:last-child td { border-bottom: none; }

/* Comparison table (perbandingan spesies) */
.compare-table { overflow-x: auto; max-width: var(--reading-width); margin: var(--space-6) auto; }
.compare-table table { min-width: 480px; font-size: var(--fs-small); border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; }
.compare-table th, .compare-table td { padding: var(--space-3) var(--space-4); border-bottom: 1px solid var(--color-border); text-align: left; }
.compare-table thead th { background: var(--water-900); color: var(--sand-50); font-family: var(--font-editorial); font-weight: 600; }

/* Callout — "Yang sering bikin keliru" */
.callout {
  background: var(--white);
  border: 1px solid var(--color-border);
  border-left: 4px solid var(--clay-500);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  max-width: var(--reading-width);
  margin: var(--space-6) auto;
}
.callout__title {
  font-family: var(--font-editorial);
  font-size: 1.0625rem;
  font-weight: 600;
  margin-bottom: var(--space-2);
  display: flex;
  align-items: center;
  gap: var(--space-2);
}
.callout__title svg { width: 20px; height: 20px; flex-shrink: 0; color: var(--clay-500); }

/* FAQ */
.faq { max-width: var(--reading-width); margin: var(--space-6) auto; }
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item__question {
  width: 100%;
  text-align: left;
  background: none;
  border: none;
  padding: var(--space-4) 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: var(--space-4);
  font-family: var(--font-editorial);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--ink-900);
  cursor: pointer;
}
.faq-item__icon { flex-shrink: 0; width: 20px; height: 20px; transition: transform var(--duration-base) var(--ease-standard); }
.faq-item[data-open="true"] .faq-item__icon { transform: rotate(45deg); }
.faq-item__answer {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows var(--duration-base) var(--ease-standard);
}
.faq-item[data-open="true"] .faq-item__answer { grid-template-rows: 1fr; }
.faq-item__answer-inner {
  overflow: hidden;
  color: var(--color-text-muted);
  padding-bottom: var(--space-4);
}

/* Sources */
.sources { max-width: var(--reading-width); margin: var(--space-6) auto; }
.sources__list { list-style: none; padding: 0; }
.sources__list li { padding: var(--space-2) 0; border-bottom: 1px solid var(--color-border); font-size: var(--fs-small); }
.sources__list a { font-weight: 600; }

/* Related articles + copy link + back to category */
.related-articles { margin-block: var(--space-8); }
.article-tools {
  max-width: var(--reading-width);
  margin: var(--space-6) auto;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}
.back-to-category {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-weight: 700;
  text-decoration: none;
  padding-block: var(--space-6);
}
.back-to-category svg { width: 18px; height: 18px; }

/* Back to top */
.back-to-top {
  position: fixed;
  right: var(--space-5);
  bottom: var(--space-5);
  z-index: var(--z-dropdown);
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--duration-base) var(--ease-standard), transform var(--duration-base) var(--ease-standard), visibility var(--duration-base);
}
.back-to-top[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.back-to-top button {
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--color-border);
  background: var(--water-900);
  color: var(--sand-50);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
}
.back-to-top svg { width: 20px; height: 20px; }

/* -------------------------------------------------------------------------
   13. SEARCH MODAL
   ------------------------------------------------------------------------- */
.search-overlay {
  position: fixed;
  inset: 0;
  background: rgba(7, 27, 34, 0.55);
  z-index: var(--z-overlay);
  display: none;
  align-items: flex-start;
  justify-content: center;
  padding: var(--space-6) var(--space-4);
}
.search-overlay[data-open="true"] { display: flex; }

.search-dialog {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 620px;
  margin-top: var(--space-8);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
}
.search-dialog__field {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--color-border);
}
.search-dialog__field svg { width: 20px; height: 20px; color: var(--color-text-muted); flex-shrink: 0; }
.search-dialog__input {
  flex-grow: 1;
  border: none;
  outline: none;
  font-size: 1.0625rem;
  background: transparent;
  color: var(--ink-900);
}
.search-dialog__close {
  flex-shrink: 0;
}
.search-dialog__results {
  max-height: 60vh;
  overflow-y: auto;
  list-style: none;
  padding: var(--space-2);
}
.search-result {
  display: block;
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  text-decoration: none;
  color: inherit;
}
.search-result:hover, .search-result:focus-visible { background: var(--sand-100); }
.search-result__title { font-weight: 700; color: var(--ink-900); }
.search-result__excerpt { font-size: var(--fs-small); color: var(--color-text-muted); margin-top: 2px; }
.search-dialog__empty {
  padding: var(--space-7) var(--space-5);
  text-align: center;
  color: var(--color-text-muted);
}

/* -------------------------------------------------------------------------
   14. FORMS
   ------------------------------------------------------------------------- */
.field { display: flex; flex-direction: column; gap: var(--space-2); max-width: var(--reading-width); }
.field label { font-weight: 700; font-size: var(--fs-small); }
.field input, .field textarea {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  background: var(--white);
  min-height: 44px;
}
.field textarea { min-height: 140px; }
.field-hint { font-size: var(--fs-xsmall); color: var(--color-text-muted); }

/* -------------------------------------------------------------------------
   15. MISC UTILITIES
   ------------------------------------------------------------------------- */
.text-muted { color: var(--color-text-muted); }
.mt-0 { margin-top: 0 !important; }
hr.divider { border: none; border-top: 1px solid var(--color-border); margin-block: var(--space-7); }

@media (max-width: 767.98px) {
  .container, .prose { overflow-wrap: break-word; }
}