/*
  THE KIWI DIALECTIC — Te Pā Tūwatawata
  Shared design system grounded in Māori colour symbolism

  COLOUR SYSTEM (kōwhaiwhai palette):
  ─────────────────────────────────────────────────────────────────
  Whero  (red)   = Te Whai Ao — coming into being, mana, life force
  Mangu  (black) = Te Korekore — potential, the void, the earth  
  Mā     (white) = Te Ao Mārama — light, purity, the realm of being
  ─────────────────────────────────────────────────────────────────
*/

:root {
  /* Core palette — light mode */
  --whero:       #c0392b;   /* red: Te Whai Ao — mana, life */
  --whero-soft:  #e05a4a;   /* lighter red for hover/dark mode */
  --mangu:       #111111;   /* black: Te Korekore — potential */
  --ma:          #f0efe9;   /* off-white: Te Ao Mārama — light */
  --ma-pure:     #ffffff;

  /* Light mode surfaces */
  --bg:          #f8f8f5;
  --bg-card:     #ffffff;
  --bg-raised:   #f0efe9;
  --fg:          #111111;
  --fg-muted:    #555555;
  --border:      rgba(0,0,0,.1);
  --border-bold: rgba(0,0,0,.22);

  /* Accent */
  --accent:      var(--whero);
  --accent2:     #2c7a4b;   /* deep green — pounamu, whenua */

  /* Type — Work Sans (body) · Instrument Serif (display/quotes) */
  --font-serif:  'Instrument Serif', 'Georgia', 'Times New Roman', serif;
  --font-sans:   'Work Sans', 'Arial', 'Helvetica Neue', sans-serif;

  /* Motif dimensions */
  --band-h:      6px;    /* thick red rule */
  --niho-size:   20px;
}

[data-theme="dark"] {
  --bg:          #0d0d0d;
  --bg-card:     #1a1a1a;
  --bg-raised:   #222222;
  --fg:          #f0efe9;
  --fg-muted:    #aaaaaa;
  --border:      rgba(255,255,255,.1);
  --border-bold: rgba(255,255,255,.25);
  --accent:      var(--whero-soft);
  --accent2:     #4caf75;
}

/* ─── RESET & BASE ─── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font: 17px/1.75 var(--font-serif);
  background: var(--bg);
  color: var(--fg);
  transition: background .3s, color .3s;
}

/* ─── LAYOUT ─── */
.shell       { max-width: 1100px; margin: 0 auto; padding: 0 24px 48px; }
.shell--narrow { max-width: 820px; margin: 0 auto; padding: 0 24px 48px; }

/* ─── MOTIF STRIPE ─── */
/* Red Te Whai Ao stripe at top of page */
.motif-stripe {
  width: 100%;
  height: 5px;
  background: var(--whero);
  display: block;
}

/* Kōwhaiwhai divider band (inline SVG) */
.motif-band {
  width: 100%;
  overflow: hidden;
  line-height: 0;
  margin: 32px 0;
}
.motif-band img,
.motif-band svg {
  width: 100%;
  height: 60px;
  display: block;
}

/* Niho taniwha rule — red tooth border */
.motif-niho {
  display: block;
  width: 100%;
  height: 20px;
  background:
    /* top teeth: red triangles */
    linear-gradient(
      135deg,
      var(--whero) 33.33%,
      transparent 33.33%
    ) 0 0 / 20px 20px,
    linear-gradient(
      225deg,
      var(--whero) 33.33%,
      transparent 33.33%
    ) 10px 0 / 20px 20px,
    var(--mangu);
  background-repeat: repeat-x;
}

/* Koru corner decoration (CSS-only approximation) */
.motif-koru-corner {
  position: absolute;
  top: 0; right: 0;
  width: 180px; height: 180px;
  border-radius: 0 0 0 100%;
  border: 3px solid var(--whero);
  border-top: none; border-right: none;
  opacity: .15;
  pointer-events: none;
}

/* ─── NAV ─── */
.site-nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 0 18px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 0;
  position: relative;
}
.nav-brand {
  font-family: var(--font-sans);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--fg-muted);
  text-decoration: none;
  transition: color .2s;
}
.nav-brand:hover { color: var(--accent); }
.nav-links { display: flex; gap: 18px; align-items: center; flex-wrap: wrap; }
.nav-links a {
  font-family: var(--font-sans);
  font-size: 13px;
  text-decoration: none;
  color: var(--fg);
  opacity: .65;
  transition: opacity .2s;
}
.nav-links a:hover { opacity: 1; }
.theme-btn {
  font-size: 12px;
  font-family: var(--font-sans);
  background: none;
  border: 1.5px solid var(--border-bold);
  color: var(--fg);
  border-radius: 999px;
  padding: 4px 14px;
  cursor: pointer;
  transition: border-color .2s, color .2s;
  letter-spacing: .05em;
}
.theme-btn:hover { border-color: var(--accent); color: var(--accent); }

/* ─── HERO ─── */
.hero {
  padding: 52px 0 44px;
  border-bottom: 1px solid var(--border);
  position: relative;
  overflow: hidden;
}
.hero-tag {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hero-tag::before {
  content: '';
  display: inline-block;
  width: 28px; height: 2px;
  background: var(--accent);
}
.hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(2.6rem, 5.5vw, 4rem);
  line-height: 1.08;
  margin-bottom: 18px;
  letter-spacing: -.01em;
}
.hero-sub {
  font-size: 1.1rem;
  color: var(--fg-muted);
  max-width: 680px;
  margin-bottom: 32px;
  line-height: 1.65;
}
.hero-koru {
  position: absolute;
  right: -40px; top: 10px;
  width: 260px; height: 260px;
  opacity: .06;
  pointer-events: none;
}

/* ─── BUTTONS ─── */
.btn-row { display: flex; flex-wrap: wrap; gap: 10px; }
.btn {
  display: inline-block;
  padding: 11px 24px;
  border: 1.5px solid var(--fg);
  border-radius: 999px;
  text-decoration: none;
  color: var(--fg);
  font-family: var(--font-sans);
  font-size: 13px;
  letter-spacing: .03em;
  transition: background .2s, color .2s, border-color .2s;
}
.btn:hover { background: var(--fg); color: var(--bg); }
.btn--red {
  border-color: var(--accent);
  color: var(--accent);
}
.btn--red:hover { background: var(--accent); color: var(--ma-pure); }
.btn--solid {
  background: var(--fg);
  color: var(--bg);
}
.btn--solid:hover { background: transparent; color: var(--fg); }

/* ─── SECTIONS ─── */
section { padding: 44px 0; border-bottom: 1px solid var(--border); }
.section-head { margin-bottom: 28px; }
.section-tag {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 8px;
  display: flex; align-items: center; gap: 8px;
}
.section-tag::before {
  content: '';
  display: inline-block;
  width: 18px; height: 1.5px;
  background: var(--accent);
}
section h2 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  line-height: 1.2;
  margin-bottom: 10px;
}
.section-intro {
  color: var(--fg-muted);
  font-size: 1rem;
  max-width: 740px;
  line-height: 1.7;
}

/* ─── MODULE GRID ─── */
.module-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 18px;
}
.module-card {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-radius: 16px;
  padding: 24px;
  text-decoration: none;
  color: var(--fg);
  display: block;
  position: relative;
  overflow: hidden;
  transition: border-color .2s, transform .15s, box-shadow .2s;
}
.module-card:hover {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: 0 6px 28px rgba(192,57,43,.12);
}
/* Red accent stripe on left edge */
.module-card::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent);
  border-radius: 16px 0 0 16px;
  opacity: 0;
  transition: opacity .2s;
}
.module-card:hover::before { opacity: 1; }
/* Koru corner motif per card */
.module-card::after {
  content: '';
  position: absolute;
  right: -16px; bottom: -16px;
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  opacity: .07;
}
.card-num {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 10px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.card-arrow { opacity: .4; font-size: .85rem; }
.module-card h3 {
  font-size: 1.05rem;
  font-family: var(--font-serif);
  margin-bottom: 8px;
  line-height: 1.3;
}
.module-card p { font-size: .9rem; color: var(--fg-muted); line-height: 1.55; }
/* Module-specific accent colours (kōwhaiwhai variation) */
.module-card[data-module="1"]::before { background: #c0392b; opacity: 1; }
.module-card[data-module="2"]::before { background: #2c7a4b; opacity: 1; }
.module-card[data-module="3"]::before { background: #c0392b; opacity: 1; }
.module-card[data-module="4"]::before { background: #2c7a4b; opacity: 1; }
.module-card[data-module="5"]::before { background: #c0392b; opacity: 1; }
.module-card[data-module="6"]::before { background: #2c7a4b; opacity: 1; }

/* ─── PULL QUOTE ─── */
.pull-quote {
  border-left: 4px solid var(--accent);
  padding: 18px 26px;
  margin: 32px 0;
  font-size: 1.18rem;
  font-style: italic;
  color: var(--fg-muted);
  background: var(--bg-raised);
  border-radius: 0 14px 14px 0;
  position: relative;
}
.pull-quote::before {
  content: '\201C';
  position: absolute;
  left: 10px; top: 4px;
  font-size: 3rem;
  color: var(--accent);
  opacity: .25;
  line-height: 1;
  font-family: var(--font-serif);
}

/* ─── SYMBOL KEY (for course pages) ─── */
.symbol-key {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin: 24px 0;
}
.symbol-item {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 14px;
  font-size: .88rem;
}
.symbol-swatch {
  width: 28px; height: 28px;
  border-radius: 6px;
  flex-shrink: 0;
}
.symbol-swatch--red   { background: var(--whero); }
.symbol-swatch--black { background: var(--mangu); border: 1px solid var(--border); }
.symbol-swatch--white { background: var(--ma); border: 1px solid var(--border); }
.symbol-swatch--koru  {
  background: none;
  border: 2px solid var(--accent);
  border-radius: 50% 50% 50% 0;
  transform: rotate(-45deg);
}
.symbol-label strong { display: block; color: var(--accent); }

/* ─── SOURCES ─── */
.source-list { list-style: none; }
.source-list li {
  padding: 10px 0;
  border-bottom: 1px solid var(--border);
  font-size: .95rem;
  display: flex; gap: 12px; align-items: baseline;
}
.source-list li::before {
  content: '';
  display: inline-block;
  width: 6px; height: 6px;
  background: var(--accent);
  border-radius: 50%;
  flex-shrink: 0;
  margin-top: 6px;
}
.source-list a { color: var(--accent2); text-decoration: none; }
.source-list a:hover { text-decoration: underline; }

/* ─── QUESTION BOX ─── */
.question-box {
  background: var(--bg-card);
  border: 1.5px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: 0 0 14px 14px;
  padding: 24px;
  margin: 36px 0;
}
.question-box h3 {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 16px;
}
.question-box ol { padding-left: 1.5em; }
.question-box li { margin-bottom: .65em; font-size: .96rem; }

/* ─── MODULE PAGE SPECIFIC ─── */
.breadcrumb {
  font-family: var(--font-sans);
  font-size: 12px;
  color: var(--fg-muted);
  margin-bottom: 28px;
  display: flex; gap: 6px; align-items: center;
}
.breadcrumb a { color: var(--accent2); text-decoration: none; }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb-sep { opacity: .4; }
.module-tag {
  font-family: var(--font-sans);
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--accent2);
  margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.module-tag::before {
  content: '';
  display: inline-block;
  width: 22px; height: 2px;
  background: var(--accent2);
}
article h1 {
  font-family: var(--font-serif);
  font-size: clamp(1.9rem, 4.5vw, 3rem);
  line-height: 1.1;
  margin-bottom: 10px;
}
.subtitle {
  font-size: 1.1rem;
  color: var(--fg-muted);
  margin-bottom: 36px;
  font-style: italic;
}
article h2 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  margin: 40px 0 14px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--border);
}
article p { margin-bottom: 1.25em; }
article ul, article ol { padding-left: 1.6em; margin-bottom: 1.25em; }
article li { margin-bottom: .45em; }

/* Concept glossary */
.concept-list { list-style: none; padding: 0; }
.concept-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 16px;
  font-size: .95rem;
}
.concept-term {
  font-style: italic;
  color: var(--accent);
  font-family: var(--font-serif);
}

/* Completion box (module 6) */
.complete-box {
  text-align: center;
  background: var(--bg-card);
  border: 2px solid var(--accent2);
  border-radius: 16px;
  padding: 32px 24px;
  margin: 36px 0;
}
.complete-box h3 {
  font-family: var(--font-serif);
  font-size: 1.4rem;
  color: var(--accent2);
  margin-bottom: 10px;
}
.complete-box p { color: var(--fg-muted); margin-bottom: 18px; }

/* Module nav */
.nav-between {
  display: flex;
  justify-content: space-between;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  margin-top: 40px;
  font-family: var(--font-sans);
  font-size: 13px;
}
.nav-between a {
  color: var(--fg);
  text-decoration: none;
  opacity: .65;
  transition: opacity .2s, color .2s;
}
.nav-between a:hover { opacity: 1; color: var(--accent); }

/* ─── FOOTER ─── */
.site-footer {
  padding: 32px 0 20px;
  font-family: var(--font-sans);
  font-size: 13px;
  color: var(--fg-muted);
  border-top: 1px solid var(--border);
}
.site-footer a { color: var(--fg-muted); text-decoration: none; }
.site-footer a:hover { color: var(--accent); }

/* ─── UTILITY ─── */
.red      { color: var(--accent); }
.muted    { color: var(--fg-muted); }
.serif    { font-family: var(--font-serif); }
.sans     { font-family: var(--font-sans); }
.italic   { font-style: italic; }
.mt-sm    { margin-top: 12px; }
.mt-md    { margin-top: 24px; }
.mt-lg    { margin-top: 40px; }

/* ─── SITE SEARCH (Fuse.js) ─── */
.search-wrap {
  position: relative;
  display: inline-flex;
  align-items: center;
}
.search-toggle {
  background: none;
  border: none;
  cursor: pointer;
  color: var(--fg-muted);
  padding: 4px 6px;
  border-radius: 6px;
  font-size: 1.1rem;
  transition: color .15s;
  line-height: 1;
}
.search-toggle:hover { color: var(--accent); }

.search-box {
  display: none;
  position: absolute;
  right: 0;
  top: calc(100% + 8px);
  width: 320px;
  background: var(--bg-card);
  border: 1px solid var(--border-bold);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,.18);
  z-index: 200;
  overflow: hidden;
}
.search-box.open { display: block; }

.search-input-wrap {
  display: flex;
  align-items: center;
  padding: 10px 14px;
  border-bottom: 1px solid var(--border);
  gap: 8px;
}
.search-input {
  flex: 1;
  border: none;
  background: transparent;
  font-family: var(--font-sans);
  font-size: .9rem;
  color: var(--fg);
  outline: none;
}
.search-input::placeholder { color: var(--fg-muted); }

.search-results {
  max-height: 360px;
  overflow-y: auto;
  padding: 6px 0;
}
.search-result {
  display: block;
  padding: 10px 16px;
  text-decoration: none;
  color: var(--fg);
  transition: background .12s;
  border-bottom: 1px solid var(--border);
}
.search-result:last-child { border-bottom: none; }
.search-result:hover { background: var(--bg-raised); }
.search-result-title {
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: .88rem;
  color: var(--fg);
  display: block;
}
.search-result-excerpt {
  font-size: .78rem;
  color: var(--fg-muted);
  margin-top: 2px;
  display: block;
  line-height: 1.45;
}
.search-result-tag {
  font-size: .68rem;
  font-family: var(--font-sans);
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-top: 3px;
  display: block;
}
.search-empty {
  padding: 20px 16px;
  font-size: .85rem;
  color: var(--fg-muted);
  text-align: center;
  font-family: var(--font-sans);
}

/* ── Performance optimisations ─────────────────────────────────────────── */

/* content-visibility: defer rendering of off-screen sections */
.section-social-kit,
.section-stickers,
.section-unaunahi,
.section-sources,
#rhizome,
#toolkit {
  content-visibility: auto;
  contain-intrinsic-size: 0 600px;
}

/* Prevent layout shift on lazy images */
img[loading="lazy"] {
  background-color: var(--bg-alt, #f5f4ef);
}

/* Platform image grids — reserve space */
.platform-grid img {
  aspect-ratio: 1 / 1;
  object-fit: cover;
}