/* ═══════════════════════════════════════════════════════════
   FERTILIZER PRESENTATION — DESIGN SYSTEM
   Palette: Chlorophyll + Deep Earth
   Fonts: Bricolage Grotesque (display) + Instrument Serif (accent)
         + Space Mono (code/refs)
═══════════════════════════════════════════════════════════ */

:root {
  --green-dark:   #0A1F02;
  --green-mid:    #2D6A1E;
  --green-bright: #B8F369;
  --green-pale:   #E8F5D0;
  --green-muted:  #6B9E3A;
  --earth-brown:  #5B3A29;
  --earth-tan:    #C9956B;
  --earth-cream:  #F5EDD8;
  --white:        #FAFFF2;
  --off-white:    #F0FFF0;
  --text-dark:    #0D1A05;
  --text-mid:     #2C4A1A;
  --text-light:   #6B8C5A;
  --accent-red:   #C0392B;
  --accent-orange:#E67E22;
  --accent-yellow:#F1C40F;
  --accent-blue:  #2980B9;
  --accent-purple:#8E44AD;
  --shadow-sm:    0 2px 8px rgba(10,31,2,0.12);
  --shadow-md:    0 6px 24px rgba(10,31,2,0.16);
  --shadow-lg:    0 16px 48px rgba(10,31,2,0.22);
  --radius-sm:    6px;
  --radius-md:    12px;
  --radius-lg:    20px;
  --transition:   all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ─── RESET & BASE ─────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  width: 100%; height: 100%;
  overflow: hidden;
  background: var(--green-dark);
  font-family: 'Bricolage Grotesque', sans-serif;
  color: var(--text-dark);
}

/* ─── PROGRESS BAR ─────────────────────────────────────── */
.progress-bar {
  position: fixed;
  top: 0; left: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--green-bright), var(--green-muted));
  width: 0%;
  z-index: 1000;
  transition: width 0.4s ease;
  box-shadow: 0 0 12px var(--green-bright);
}

/* ─── SLIDE COUNTER ─────────────────────────────────────── */
.slide-counter {
  position: fixed;
  bottom: 24px; right: 28px;
  font-family: 'Space Mono', monospace;
  font-size: 12px;
  color: rgba(184,243,105,0.7);
  z-index: 1000;
  letter-spacing: 0.1em;
}

/* ─── KEY HINT ──────────────────────────────────────────── */
.key-hint {
  position: fixed;
  bottom: 24px; left: 50%;
  transform: translateX(-50%);
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: rgba(184,243,105,0.4);
  z-index: 1000;
  letter-spacing: 0.08em;
  pointer-events: none;
}

/* ─── NAV BUTTONS ───────────────────────────────────────── */
.nav-btn {
  position: fixed;
  top: 50%; transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 2px solid rgba(184,243,105,0.3);
  background: rgba(10,31,2,0.6);
  color: var(--green-bright);
  font-size: 20px;
  cursor: pointer;
  z-index: 1000;
  transition: var(--transition);
  backdrop-filter: blur(8px);
  display: flex; align-items: center; justify-content: center;
}
.nav-btn:hover {
  background: rgba(184,243,105,0.15);
  border-color: var(--green-bright);
  box-shadow: 0 0 20px rgba(184,243,105,0.3);
}
.nav-prev { left: 16px; }
.nav-next { right: 16px; }
.nav-btn:disabled { opacity: 0.2; cursor: not-allowed; }

/* ─── PRESENTATION CONTAINER ────────────────────────────── */
.presentation {
  width: 100vw; height: 100vh;
  position: relative;
  overflow: hidden;
}

/* ─── SLIDES BASE ───────────────────────────────────────── */
.slide {
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 100%;
  display: flex;
  flex-direction: column;
  padding: 48px 64px 56px;
  overflow-y: auto;
  opacity: 0;
  transform: translateX(60px);
  transition: opacity 0.45s ease, transform 0.45s cubic-bezier(0.4,0,0.2,1);
  pointer-events: none;
  scrollbar-width: thin;
  scrollbar-color: var(--green-muted) transparent;
}
.slide::-webkit-scrollbar { width: 4px; }
.slide::-webkit-scrollbar-track { background: transparent; }
.slide::-webkit-scrollbar-thumb { background: var(--green-muted); border-radius: 2px; }

.slide.active {
  opacity: 1;
  transform: translateX(0);
  pointer-events: all;
}
.slide.exit {
  opacity: 0;
  transform: translateX(-60px);
}

/* ─── SLIDE HEADER ──────────────────────────────────────── */
.slide-header {
  margin-bottom: 28px;
}
.slide-num-tag {
  display: inline-block;
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green-bright);
  background: rgba(184,243,105,0.12);
  border: 1px solid rgba(184,243,105,0.25);
  padding: 4px 12px;
  border-radius: 20px;
  margin-bottom: 10px;
}
.slide-header h2 {
  font-size: clamp(22px, 2.8vw, 34px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.slide-intro {
  margin-top: 8px;
  font-size: 15px;
  color: rgba(240,255,240,0.65);
  font-style: italic;
  font-family: 'Instrument Serif', serif;
  max-width: 700px;
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 1 — TITLE
═══════════════════════════════════════════════════════════ */
.slide-title {
  background: linear-gradient(135deg, #0A1F02 0%, #1A3A08 40%, #0D2B05 100%);
  justify-content: center;
  align-items: flex-start;
  padding: 64px 80px;
  overflow: hidden;
}
.title-bg-pattern {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background-image:
    radial-gradient(circle at 80% 20%, rgba(184,243,105,0.08) 0%, transparent 50%),
    radial-gradient(circle at 10% 80%, rgba(45,106,30,0.15) 0%, transparent 40%),
    repeating-linear-gradient(
      45deg,
      transparent,
      transparent 40px,
      rgba(184,243,105,0.02) 40px,
      rgba(184,243,105,0.02) 41px
    );
  pointer-events: none;
}
.title-content {
  position: relative;
  z-index: 1;
  max-width: 800px;
}
.title-tag {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--green-bright);
  opacity: 0.8;
  margin-bottom: 20px;
}
.main-title {
  font-size: clamp(36px, 5.5vw, 72px);
  font-weight: 800;
  color: var(--white);
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
}
.accent-text {
  color: var(--green-bright);
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-weight: 400;
}
.subtitle {
  font-size: clamp(14px, 1.6vw, 18px);
  color: rgba(240,255,240,0.6);
  line-height: 1.6;
  margin-bottom: 32px;
  font-family: 'Instrument Serif', serif;
}
.title-divider {
  width: 80px;
  height: 3px;
  background: linear-gradient(90deg, var(--green-bright), transparent);
  margin-bottom: 32px;
  border-radius: 2px;
}
.presenter-info {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
}
.presenter-detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.presenter-detail .label {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: rgba(184,243,105,0.5);
}
.presenter-detail .value {
  font-size: 15px;
  font-weight: 600;
  color: var(--white);
}
.leaf-deco {
  position: absolute;
  right: -40px; top: 50%;
  transform: translateY(-50%);
  font-size: 200px;
  opacity: 0.06;
  pointer-events: none;
  filter: blur(2px);
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 2 — TABLE OF CONTENTS
═══════════════════════════════════════════════════════════ */
.slide-toc {
  background: linear-gradient(160deg, #0D2005 0%, #162E08 100%);
}
.toc-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
  flex: 1;
}
.toc-item {
  background: rgba(184,243,105,0.05);
  border: 1px solid rgba(184,243,105,0.12);
  border-radius: var(--radius-md);
  padding: 20px 18px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: var(--transition);
  cursor: default;
}
.toc-item:hover {
  background: rgba(184,243,105,0.1);
  border-color: rgba(184,243,105,0.3);
  transform: translateY(-2px);
}
.toc-num {
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  color: var(--green-bright);
  opacity: 0.6;
  letter-spacing: 0.1em;
}
.toc-icon { font-size: 28px; }
.toc-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--white);
  line-height: 1.3;
}

/* ═══════════════════════════════════════════════════════════
   CONTENT SLIDES — SHARED
═══════════════════════════════════════════════════════════ */
.slide-content {
  background: linear-gradient(160deg, #0D2005 0%, #111E07 100%);
}

/* ─── TWO COLUMN ────────────────────────────────────────── */
.two-col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  flex: 1;
}
.col-left, .col-right { display: flex; flex-direction: column; gap: 16px; }

/* ─── THREE COLUMN ──────────────────────────────────────── */
.three-col {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  margin-bottom: 20px;
}

/* ─── CONTENT BLOCK ─────────────────────────────────────── */
.content-block {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(184,243,105,0.1);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}
.content-block h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--green-bright);
  margin-bottom: 8px;
  letter-spacing: 0.01em;
}
.content-block p {
  font-size: 13.5px;
  color: rgba(240,255,240,0.8);
  line-height: 1.65;
}
.content-block.mt-sm { margin-top: 0; }
.mt-md { margin-top: 16px; }

/* ─── STAT CARDS ────────────────────────────────────────── */
.stat-card {
  background: rgba(184,243,105,0.06);
  border: 1px solid rgba(184,243,105,0.15);
  border-radius: var(--radius-md);
  padding: 16px 20px;
  text-align: center;
}
.stat-card.accent {
  background: rgba(184,243,105,0.12);
  border-color: rgba(184,243,105,0.3);
}
.stat-num {
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 800;
  color: var(--green-bright);
  letter-spacing: -0.03em;
  line-height: 1;
}
.stat-label {
  font-size: 12px;
  color: rgba(240,255,240,0.55);
  margin-top: 4px;
  font-family: 'Space Mono', monospace;
  letter-spacing: 0.05em;
}

/* ─── STYLED LIST ───────────────────────────────────────── */
.styled-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 8px;
}
.styled-list li {
  font-size: 13px;
  color: rgba(240,255,240,0.78);
  padding-left: 18px;
  position: relative;
  line-height: 1.5;
}
.styled-list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--green-bright);
  font-size: 10px;
  top: 2px;
}

/* ─── REF TAG ───────────────────────────────────────────── */
.ref-tag {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  color: rgba(184,243,105,0.45);
  margin-top: 10px;
  line-height: 1.5;
  border-left: 2px solid rgba(184,243,105,0.2);
  padding-left: 8px;
}
.ref-tag.light { color: rgba(184,243,105,0.35); }
.ref-tag.center-ref {
  text-align: center;
  border-left: none;
  padding-left: 0;
  margin-top: 12px;
}

/* ─── CALLOUT BOX ───────────────────────────────────────── */
.callout-box {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 16px 20px;
  border-radius: var(--radius-md);
  margin-top: 4px;
}
.callout-box.warning {
  background: rgba(230,126,34,0.1);
  border: 1px solid rgba(230,126,34,0.25);
}
.callout-icon { font-size: 20px; flex-shrink: 0; margin-top: 2px; }
.callout-box p {
  font-size: 13px;
  color: rgba(240,255,240,0.8);
  line-height: 1.6;
}
.callout-box strong { color: #F39C12; }
.callout-box em { color: rgba(240,255,240,0.6); }

/* ─── METHOD CARDS ──────────────────────────────────────── */
.method-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(184,243,105,0.1);
  border-radius: var(--radius-md);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.method-icon { font-size: 32px; }
.method-card h3 {
  font-size: 15px;
  font-weight: 700;
  color: var(--green-bright);
}
.method-card p {
  font-size: 13px;
  color: rgba(240,255,240,0.75);
  line-height: 1.6;
  flex: 1;
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 5 — MALPRACTICE FLOW
═══════════════════════════════════════════════════════════ */
.malpractice-flow {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 20px 0;
  flex-wrap: nowrap;
}
.flow-step {
  background: rgba(184,243,105,0.06);
  border: 1px solid rgba(184,243,105,0.15);
  border-radius: var(--radius-md);
  padding: 16px 14px;
  text-align: center;
  flex: 1;
  min-width: 0;
}
.flow-icon { font-size: 28px; margin-bottom: 6px; }
.flow-label {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 6px;
}
.flow-issue {
  font-size: 11px;
  color: rgba(230,126,34,0.85);
  line-height: 1.4;
  font-family: 'Space Mono', monospace;
}
.flow-arrow {
  font-size: 22px;
  color: rgba(184,243,105,0.4);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 6 — ADULTERANT GRID
═══════════════════════════════════════════════════════════ */
.adulterant-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  flex: 1;
}
.adulterant-card {
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid transparent;
}
.adulterant-card.red    { background: rgba(192,57,43,0.12);  border-color: rgba(192,57,43,0.25); }
.adulterant-card.orange { background: rgba(230,126,34,0.1);  border-color: rgba(230,126,34,0.22); }
.adulterant-card.yellow { background: rgba(241,196,15,0.08); border-color: rgba(241,196,15,0.2); }
.adulterant-card.purple { background: rgba(142,68,173,0.1);  border-color: rgba(142,68,173,0.22); }
.adulterant-card.green  { background: rgba(39,174,96,0.1);   border-color: rgba(39,174,96,0.22); }
.adulterant-card.blue   { background: rgba(41,128,185,0.1);  border-color: rgba(41,128,185,0.22); }
.adulterant-icon { font-size: 26px; }
.adulterant-card h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
}
.adulterant-card p {
  font-size: 12.5px;
  color: rgba(240,255,240,0.72);
  line-height: 1.55;
  flex: 1;
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 7 — IMPACT GRID
═══════════════════════════════════════════════════════════ */
.impact-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 18px;
  flex: 1;
}
.impact-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(184,243,105,0.1);
  border-radius: var(--radius-md);
  padding: 18px 20px;
}
.impact-header {
  font-size: 14px;
  font-weight: 700;
  padding: 6px 12px;
  border-radius: 20px;
  margin-bottom: 12px;
  display: inline-block;
}
.impact-header.soil   { background: rgba(45,106,30,0.3);  color: #B8F369; }
.impact-header.crop   { background: rgba(241,196,15,0.15); color: #F1C40F; }
.impact-header.farmer { background: rgba(230,126,34,0.15); color: #E67E22; }
.impact-header.food   { background: rgba(192,57,43,0.15);  color: #E74C3C; }

/* ═══════════════════════════════════════════════════════════
   SLIDE 8 — FRAUD ITEMS
═══════════════════════════════════════════════════════════ */
.fraud-item {
  display: flex;
  gap: 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(184,243,105,0.08);
  border-radius: var(--radius-md);
  padding: 14px 16px;
}
.fraud-num {
  font-family: 'Space Mono', monospace;
  font-size: 22px;
  font-weight: 700;
  color: rgba(184,243,105,0.25);
  flex-shrink: 0;
  line-height: 1;
  padding-top: 2px;
}
.fraud-content h3 {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--green-bright);
  margin-bottom: 5px;
}
.fraud-content p {
  font-size: 12.5px;
  color: rgba(240,255,240,0.72);
  line-height: 1.55;
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 9 — LEGISLATION TIMELINE
═══════════════════════════════════════════════════════════ */
.legislation-timeline {
  display: flex;
  flex-direction: column;
  gap: 12px;
  flex: 1;
}
.law-card {
  display: flex;
  gap: 20px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(184,243,105,0.1);
  border-radius: var(--radius-md);
  padding: 14px 18px;
  align-items: flex-start;
}
.law-card.highlight {
  background: rgba(192,57,43,0.08);
  border-color: rgba(192,57,43,0.2);
}
.law-year {
  font-family: 'Space Mono', monospace;
  font-size: 13px;
  font-weight: 700;
  color: var(--green-bright);
  min-width: 52px;
  padding-top: 2px;
}
.law-card.highlight .law-year { color: #E74C3C; }
.law-content h3 {
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
  margin-bottom: 5px;
}
.law-content p {
  font-size: 12.5px;
  color: rgba(240,255,240,0.72);
  line-height: 1.55;
}

/* ═══════════════════════════════════════════════════════════
   SLIDES 10–12 — GLOBAL COMPARISONS
═══════════════════════════════════════════════════════════ */
.compare-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  flex: 1;
}
.compare-col {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.compare-flag {
  font-size: 16px;
  font-weight: 800;
  color: var(--white);
  padding: 10px 16px;
  border-radius: var(--radius-sm);
  text-align: center;
}
.compare-col.pak .compare-flag { background: rgba(1,66,106,0.4); }
.compare-col.usa .compare-flag { background: rgba(60,59,110,0.4); }
.compare-item {
  border-radius: var(--radius-sm);
  padding: 12px 14px;
  flex: 1;
}
.compare-item h4 {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 5px;
}
.compare-item p {
  font-size: 12px;
  line-height: 1.55;
}
.compare-item.bad {
  background: rgba(192,57,43,0.1);
  border: 1px solid rgba(192,57,43,0.2);
}
.compare-item.bad h4 { color: #E74C3C; }
.compare-item.bad p  { color: rgba(240,200,200,0.75); }
.compare-item.good {
  background: rgba(39,174,96,0.08);
  border: 1px solid rgba(39,174,96,0.2);
}
.compare-item.good h4 { color: #2ECC71; }
.compare-item.good p  { color: rgba(200,240,210,0.75); }

/* Country blocks */
.country-block {
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  height: 100%;
}
.country-block.china  { background: rgba(192,57,43,0.06);  border: 1px solid rgba(192,57,43,0.15); }
.country-block.uk     { background: rgba(41,128,185,0.06);  border: 1px solid rgba(41,128,185,0.15); }
.country-block.india  { background: rgba(230,126,34,0.06);  border: 1px solid rgba(230,126,34,0.15); }
.country-block.brazil { background: rgba(39,174,96,0.06);   border: 1px solid rgba(39,174,96,0.15); }
.country-header {
  font-size: 15px;
  font-weight: 800;
  color: var(--white);
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 13 — COMPARISON TABLE
═══════════════════════════════════════════════════════════ */
.table-wrapper {
  overflow-x: auto;
  border-radius: var(--radius-md);
  border: 1px solid rgba(184,243,105,0.12);
  flex: 1;
}
.compare-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12.5px;
}
.compare-table thead tr {
  background: rgba(184,243,105,0.1);
}
.compare-table th {
  padding: 12px 14px;
  text-align: left;
  font-weight: 700;
  color: var(--green-bright);
  font-family: 'Space Mono', monospace;
  font-size: 11px;
  letter-spacing: 0.05em;
  border-bottom: 1px solid rgba(184,243,105,0.15);
  white-space: nowrap;
}
.compare-table td {
  padding: 10px 14px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  vertical-align: top;
  line-height: 1.4;
}
.compare-table tr:last-child td { border-bottom: none; }
.compare-table tr:hover td { background: rgba(255,255,255,0.03); }
.param {
  font-weight: 700;
  color: rgba(240,255,240,0.85);
  white-space: nowrap;
}
.good-cell { color: #2ECC71; background: rgba(39,174,96,0.06); }
.bad-cell  { color: #E74C3C; background: rgba(192,57,43,0.06); }
.mid-cell  { color: #F39C12; background: rgba(243,156,18,0.06); }

/* ═══════════════════════════════════════════════════════════
   SLIDE 14 — CAUSE GRID
═══════════════════════════════════════════════════════════ */
.cause-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
  flex: 1;
}
.cause-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(184,243,105,0.1);
  border-radius: var(--radius-md);
  padding: 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.cause-icon { font-size: 28px; }
.cause-card h3 {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--green-bright);
}
.cause-card p {
  font-size: 12.5px;
  color: rgba(240,255,240,0.72);
  line-height: 1.55;
  flex: 1;
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 15 — RECOMMENDATIONS
═══════════════════════════════════════════════════════════ */
.rec-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  flex: 1;
}
.rec-card {
  border-radius: var(--radius-md);
  padding: 16px 18px;
  display: flex;
  flex-direction: column;
  gap: 8px;
  border: 1px solid transparent;
}
.rec-card.priority-high   { background: rgba(39,174,96,0.08);   border-color: rgba(39,174,96,0.2); }
.rec-card.priority-med    { background: rgba(241,196,15,0.07);  border-color: rgba(241,196,15,0.18); }
.rec-card.priority-low    { background: rgba(41,128,185,0.07);  border-color: rgba(41,128,185,0.18); }
.rec-priority {
  font-family: 'Space Mono', monospace;
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.15em;
  padding: 3px 8px;
  border-radius: 10px;
  display: inline-block;
  width: fit-content;
}
.priority-high .rec-priority { background: rgba(39,174,96,0.2);  color: #2ECC71; }
.priority-med  .rec-priority { background: rgba(241,196,15,0.2); color: #F1C40F; }
.priority-low  .rec-priority { background: rgba(41,128,185,0.2); color: #3498DB; }
.rec-icon { font-size: 26px; }
.rec-card h3 {
  font-size: 13.5px;
  font-weight: 700;
  color: var(--white);
}
.rec-card p {
  font-size: 12px;
  color: rgba(240,255,240,0.7);
  line-height: 1.55;
  flex: 1;
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 16 — FIELD TESTS
═══════════════════════════════════════════════════════════ */
.test-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  flex: 1;
}
.test-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(184,243,105,0.1);
  border-radius: var(--radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.test-step {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  color: var(--green-bright);
  opacity: 0.6;
  letter-spacing: 0.1em;
}
.test-icon { font-size: 26px; }
.test-card h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--white);
}
.test-card p {
  font-size: 12px;
  color: rgba(240,255,240,0.7);
  line-height: 1.55;
  flex: 1;
}
.test-result {
  font-family: 'Space Mono', monospace;
  font-size: 10px;
  line-height: 1.6;
  padding: 8px 10px;
  background: rgba(184,243,105,0.06);
  border-radius: var(--radius-sm);
  color: rgba(184,243,105,0.7);
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 17 — CONCLUSION
═══════════════════════════════════════════════════════════ */
.slide-conclusion {
  background: linear-gradient(135deg, #0A1F02 0%, #1A3A08 60%, #0D2B05 100%);
  justify-content: center;
}
.conclusion-content {
  max-width: 860px;
  margin: 0 auto;
  width: 100%;
}
.conclusion-content h2 {
  font-size: clamp(24px, 3vw, 38px);
  font-weight: 800;
  color: var(--white);
  margin-bottom: 28px;
  letter-spacing: -0.02em;
}
.takeaway-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  margin-bottom: 28px;
}
.takeaway-item {
  display: flex;
  gap: 16px;
  align-items: flex-start;
  background: rgba(184,243,105,0.05);
  border: 1px solid rgba(184,243,105,0.1);
  border-radius: var(--radius-md);
  padding: 14px 18px;
}
.takeaway-num {
  font-family: 'Space Mono', monospace;
  font-size: 18px;
  font-weight: 700;
  color: rgba(184,243,105,0.3);
  flex-shrink: 0;
  line-height: 1;
  padding-top: 2px;
}
.takeaway-item p {
  font-size: 13.5px;
  color: rgba(240,255,240,0.8);
  line-height: 1.6;
}
.takeaway-item strong { color: var(--green-bright); }
.conclusion-quote {
  font-family: 'Instrument Serif', serif;
  font-style: italic;
  font-size: clamp(16px, 1.8vw, 20px);
  color: rgba(184,243,105,0.7);
  text-align: center;
  padding: 20px 32px;
  border-top: 1px solid rgba(184,243,105,0.15);
  line-height: 1.5;
}
.quote-attr {
  display: block;
  font-family: 'Space Mono', monospace;
  font-style: normal;
  font-size: 10px;
  color: rgba(184,243,105,0.35);
  margin-top: 8px;
  letter-spacing: 0.08em;
}

/* ═══════════════════════════════════════════════════════════
   SLIDE 18 — REFERENCES
═══════════════════════════════════════════════════════════ */
.slide-references {
  background: linear-gradient(160deg, #060F02 0%, #0D1A05 100%);
}
.ref-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
  flex: 1;
}
.ref-col h3 {
  font-size: 13px;
  font-weight: 700;
  color: var(--green-bright);
  margin-bottom: 12px;
  padding-bottom: 6px;
  border-bottom: 1px solid rgba(184,243,105,0.15);
  font-family: 'Space Mono', monospace;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.ref-list {
  list-style: decimal;
  padding-left: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 20px;
}
.ref-list li {
  font-size: 11px;
  color: rgba(240,255,240,0.6);
  line-height: 1.55;
  font-family: 'Space Mono', monospace;
}
.ref-list em { font-style: italic; color: rgba(240,255,240,0.45); }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */
@media (max-width: 1100px) {
  .slide { padding: 36px 40px 48px; }
  .toc-grid { grid-template-columns: repeat(2, 1fr); }
  .adulterant-grid { grid-template-columns: repeat(2, 1fr); }
  .rec-grid { grid-template-columns: repeat(2, 1fr); }
  .test-grid { grid-template-columns: repeat(2, 1fr); }
  .cause-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .slide { padding: 28px 24px 40px; }
  .two-col, .compare-layout, .ref-columns { grid-template-columns: 1fr; }
  .three-col { grid-template-columns: 1fr; }
  .toc-grid { grid-template-columns: repeat(2, 1fr); }
  .malpractice-flow { flex-wrap: wrap; }
  .nav-prev { left: 8px; }
  .nav-next { right: 8px; }
  .main-title { font-size: 32px; }
}