/* ==========================================================================
   E-MAGAZINE KINH TẾ: HTX THỦY SẢN XUYÊN VIỆT
   Design System & Editorial Scrollytelling Styles
   Optimized for High-Resolution Desktop, Tablet & Mobile Viewports
   ========================================================================== */

:root {
  /* Editorial Palette */
  --bg-primary: #faf9f5;
  --bg-surface: #ffffff;
  --bg-alt: #f3f1ea;
  --bg-dark-hero: #071520;
  --bg-dark-card: #091d29;
  --bg-dark-card-alt: #0d2838;
  --bg-conclusion: #050f17;

  /* Accent Colors */
  --teal-primary: #0e8388;
  --teal-light: #2ec4b6;
  --teal-dark: #09595d;
  --cyan-accent: #38bdf8;
  --blue-ocean: #144272;
  --gold-accent: #e69a28;
  --gold-light: #fed7aa;
  --gold-bg: rgba(230, 154, 40, 0.12);

  /* Typography Colors */
  --text-main: #1e293b;
  --text-muted: #475569;
  --text-light: #f8fafc;
  --text-light-muted: #94a3b8;
  --border-subtle: #e2e8f0;
  --border-dark: #1e3a4c;

  /* Typography Font Families */
  --font-editorial: 'Newsreader', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Transitions & Shadows */
  --transition-smooth: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  --shadow-subtle: 0 4px 20px rgba(0, 0, 0, 0.05);
  --shadow-card: 0 12px 36px rgba(7, 21, 32, 0.12);
  --shadow-dark-card: 0 16px 40px rgba(0, 0, 0, 0.35);
}

/* Base Reset & Responsive Typography Setup */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  font-size: 18px; /* Strict baseline: all text ≥ 18px */
  scroll-behavior: smooth;
  background-color: var(--bg-primary);
  color: var(--text-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-sans);
  font-size: 1.125rem; /* ~20.25px on Desktop */
  line-height: 1.85;
  background-color: var(--bg-primary);
  color: var(--text-main);
  overflow-x: hidden;
  position: relative;
  width: 100%;
}

/* Desktop vs Mobile Toggle Helpers */
.mobile-only-flow {
  display: none;
}

.desktop-only-map {
  display: block;
}

/* ==========================================================================
   READING PROGRESS BAR
   ========================================================================== */
.reading-progress-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.15);
  z-index: 9999;
  pointer-events: none;
}

.reading-progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--teal-light), var(--gold-accent));
  box-shadow: 0 0 10px var(--teal-light);
  transition: width 0.1s linear;
}

/* ==========================================================================
   HERO SECTION: Cinematic Scrollytelling Cover
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-dark-hero);
  color: var(--text-light);
  overflow: hidden;
  padding: 6rem 1.5rem;
}

.hero-bg-wrapper {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 30%;
  transform: scale(1.03);
  transition: transform 0.8s ease-out;
  filter: brightness(0.72) contrast(1.08);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    180deg,
    rgba(7, 21, 32, 0.45) 0%,
    rgba(7, 21, 32, 0.78) 55%,
    rgba(7, 21, 32, 0.96) 100%
  );
}

.hero-container {
  position: relative;
  z-index: 2;
  max-width: 1000px;
  width: 100%;
  margin: 0 auto;
  text-align: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.hero-meta-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.45rem 1.25rem;
  background: rgba(14, 131, 136, 0.35);
  border: 1px solid rgba(46, 196, 182, 0.45);
  border-radius: 9999px;
  backdrop-filter: blur(8px);
  margin-bottom: 2rem;
  animation: fadeInDown 1s ease-out;
}

.meta-dot {
  width: 8px;
  height: 8px;
  background-color: var(--teal-light);
  border-radius: 50%;
  box-shadow: 0 0 8px var(--teal-light);
  animation: pulseDot 2s infinite;
}

.meta-text {
  font-size: 0.95rem; /* ≥ 18px */
  font-weight: 700;
  letter-spacing: 0.08em;
  color: #e0f2fe;
  text-transform: uppercase;
}

.hero-title {
  font-family: var(--font-editorial);
  font-size: clamp(2.1rem, 4.8vw, 3.6rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: #ffffff;
  margin-bottom: 2rem;
  text-transform: uppercase;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
  animation: fadeInUp 1.2s ease-out;
}

.hero-subtitle {
  font-family: var(--font-sans);
  font-size: clamp(1.1rem, 2vw, 1.3rem);
  font-weight: 400;
  line-height: 1.85;
  color: #cbd5e1;
  max-width: 860px;
  margin-bottom: 3.5rem;
  text-align: justify;
  text-justify: inter-word;
  animation: fadeInUp 1.4s ease-out;
}

.hero-scroll-indicator {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6rem;
  animation: fadeIn 1.8s ease-out;
  cursor: pointer;
  padding: 0.5rem;
}

.scroll-label {
  font-size: 0.9rem; /* ≥ 18px */
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--text-light-muted);
}

.scroll-arrow-line {
  width: 2px;
  height: 36px;
  background: linear-gradient(180deg, var(--teal-light), transparent);
  position: relative;
  overflow: hidden;
}

.scroll-chevron {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 50%;
  background: #ffffff;
  animation: scrollDown 2s infinite;
}

/* ==========================================================================
   ARTICLE LAYOUT & PROSE TYPOGRAPHY
   ========================================================================== */
.article-main {
  width: 100%;
  background-color: var(--bg-primary);
}

.article-container {
  max-width: 820px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* Lead Section */
.editorial-lead-section {
  padding: 5rem 0 3.5rem;
}

.lead-text-box {
  background-color: var(--bg-surface);
  border-left: 4px solid var(--teal-primary);
  padding: 2.25rem 2.5rem;
  border-radius: 0 14px 14px 0;
  box-shadow: var(--shadow-subtle);
}

.lead-paragraph {
  font-family: var(--font-editorial);
  font-size: 1.35rem; /* ~24.3px */
  line-height: 1.8;
  color: #0f172a;
  font-style: italic;
  font-weight: 400;
}

.dropcap {
  float: left;
  font-family: var(--font-editorial);
  font-size: 4.6rem;
  line-height: 0.8;
  padding-top: 4px;
  padding-right: 14px;
  padding-bottom: 2px;
  color: var(--teal-primary);
  font-weight: 700;
}

/* Article Part Blocks */
.article-part {
  padding: 4.5rem 0 5rem;
  position: relative;
}

.article-part:not(:last-of-type) {
  border-bottom: 1px solid var(--border-subtle);
}

.part-header {
  margin-bottom: 2.75rem;
}

.part-number-badge {
  display: inline-block;
  font-size: 0.95rem; /* ≥ 18px */
  font-weight: 800;
  letter-spacing: 0.14em;
  color: var(--teal-primary);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.part-title {
  font-family: var(--font-editorial);
  font-size: clamp(2rem, 3.8vw, 2.75rem);
  font-weight: 700;
  line-height: 1.3;
  color: #0b1d28;
  margin-bottom: 1.25rem;
}

.title-divider {
  width: 72px;
  height: 4px;
  background: linear-gradient(90deg, var(--teal-primary), var(--gold-accent));
  border-radius: 2px;
}

/* Narrative Prose Text */
.narrative-block {
  margin-bottom: 3.5rem;
}

.editorial-paragraph {
  font-size: 1.125rem; /* ~20.25px on Desktop */
  line-height: 1.85;
  color: #1e293b;
  margin-bottom: 1.85rem;
  text-align: justify;
  text-justify: inter-word;
}

.editorial-paragraph:last-child {
  margin-bottom: 0;
}

/* ==========================================================================
   INFOGRAPHIC 01: HÀNH TRÌNH ĐẢO CHIỀU CÔNG NGHỆ
   ========================================================================== */
.infographic-wrapper {
  margin: 4.5rem -2rem 4.5rem;
  width: calc(100% + 4rem);
}

@media (min-width: 1024px) {
  .infographic-wrapper {
    margin: 5rem -4rem 5rem;
    width: calc(100% + 8rem);
  }
}

.infographic-card {
  background-color: var(--bg-dark-card);
  border: 1px solid var(--border-dark);
  border-radius: 20px;
  padding: 2.75rem 2.5rem;
  color: var(--text-light);
  box-shadow: var(--shadow-dark-card);
  position: relative;
  overflow: hidden;
}

.infographic-header {
  text-align: center;
  margin-bottom: 2.5rem;
}

.infographic-tag {
  display: inline-block;
  font-size: 0.95rem; /* ≥ 18px */
  font-weight: 800;
  letter-spacing: 0.1em;
  color: var(--gold-accent);
  text-transform: uppercase;
  margin-bottom: 0.6rem;
}

.infographic-title {
  font-family: var(--font-editorial);
  font-size: clamp(1.8rem, 3vw, 2.3rem);
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.5rem;
}

.infographic-desc {
  font-size: 1.05rem; /* ≥ 18px */
  color: var(--text-light-muted);
}

/* Key Milestone Bar */
.key-milestone-grid {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 1.5rem;
  background: rgba(14, 40, 56, 0.75);
  border: 1px solid rgba(56, 189, 248, 0.25);
  border-radius: 14px;
  padding: 1.5rem 1.75rem;
  margin-bottom: 2.25rem;
  align-items: center;
}

.milestone-badge-box {
  display: flex;
  flex-direction: column;
  border-right: 2px solid rgba(255, 255, 255, 0.1);
  padding-right: 1.25rem;
}

.milestone-year {
  font-family: var(--font-sans);
  font-size: 3.2rem;
  font-weight: 800;
  color: var(--gold-accent);
  line-height: 1;
}

.milestone-label {
  font-size: 0.95rem; /* ≥ 18px */
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: 0.04em;
  margin-top: 0.35rem;
}

.milestone-detail-box {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.achievement-item {
  display: flex;
  align-items: center;
  gap: 0.85rem;
  font-size: 1.15rem; /* ≥ 18px */
  color: #ffffff;
}

.achievement-icon {
  color: var(--gold-accent);
  font-size: 1.25rem;
}

.achievement-item.highlight-teal .achievement-icon {
  color: var(--teal-light);
}

.achievement-item.highlight-teal {
  color: #a5f3fc;
}

/* Map Flow SVG Container */
.map-flow-box {
  width: 100%;
  margin-bottom: 2.5rem;
  background: #061621;
  border-radius: 16px;
  padding: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.05);
}

.transfer-map-svg-wrap {
  width: 100%;
  position: relative;
}

.transfer-svg {
  width: 100%;
  height: auto;
  display: block;
}

/* Animated SVG path */
@keyframes flowDash {
  to {
    stroke-dashoffset: -28;
  }
}

.flow-path-anim {
  stroke-dasharray: 8 6;
  animation: flowDash 1.2s linear infinite;
}

/* Mobile Transfer Flow (Native HTML/CSS Cards for Small Screens) */
.mobile-transfer-flow {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.m-flow-origin-card {
  background: linear-gradient(135deg, #0e4852 0%, #082933 100%);
  border: 2px solid var(--teal-light);
  border-radius: 14px;
  padding: 1.25rem 1.15rem;
  text-align: center;
  box-shadow: 0 0 20px rgba(46, 196, 182, 0.25);
}

.m-origin-badge {
  font-size: 0.9rem; /* ≥ 18px */
  font-weight: 800;
  color: var(--gold-accent);
  letter-spacing: 0.06em;
  margin-bottom: 0.35rem;
}

.m-origin-title {
  font-size: 1.35rem;
  font-weight: 800;
  color: #ffffff;
  margin-bottom: 0.35rem;
  letter-spacing: 0.02em;
}

.m-origin-org {
  font-size: 1.05rem; /* ≥ 18px */
  font-weight: 700;
  color: #a5f3fc;
}

.m-origin-loc {
  font-size: 0.95rem; /* ≥ 18px */
  color: #e0f2fe;
}

.m-flow-divider {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
  padding: 0.25rem 0;
}

.m-flow-line {
  flex: 1;
  height: 1px;
  background: rgba(230, 154, 40, 0.4);
}

.m-flow-tag {
  background: #0e2a3b;
  border: 1.5px solid var(--gold-accent);
  border-radius: 9999px;
  padding: 0.45rem 1rem;
  font-size: 0.95rem; /* ≥ 18px */
  font-weight: 700;
  color: var(--gold-light);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.m-dest-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.m-dest-card {
  background: #0d2838;
  border: 1px solid rgba(56, 189, 248, 0.35);
  border-radius: 12px;
  padding: 1rem 1.15rem;
  display: flex;
  align-items: center;
  gap: 1rem;
}

.m-dest-num {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: var(--cyan-accent);
  color: #061621;
  font-size: 1.1rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.m-dest-info {
  display: flex;
  flex-direction: column;
}

.m-dest-country {
  font-size: 1.15rem; /* ≥ 18px */
  font-weight: 800;
  color: #ffffff;
}

.m-dest-action {
  font-size: 0.95rem; /* ≥ 18px */
  color: #93c5fd;
}

/* Tech 5-Step Flow */
.tech-flow-section {
  background: rgba(10, 32, 45, 0.85);
  border: 1px solid rgba(46, 196, 182, 0.25);
  border-radius: 14px;
  padding: 1.75rem 1.5rem;
}

.tech-flow-title-bar {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.tech-flow-icon {
  color: var(--gold-accent);
  font-size: 1.2rem;
}

.tech-flow-heading {
  font-size: 0.95rem; /* ≥ 18px */
  font-weight: 700;
  letter-spacing: 0.06em;
  color: #e2e8f0;
}

.tech-step-track {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem;
}

.tech-step-item {
  flex: 1;
  background: #081a26;
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 10px;
  padding: 1rem 0.75rem;
  text-align: center;
  transition: var(--transition-smooth);
}

.tech-step-item:hover {
  border-color: var(--teal-light);
  transform: translateY(-2px);
}

.tech-step-item.highlight-step {
  border-color: var(--teal-light);
  background: rgba(14, 131, 136, 0.25);
}

.step-badge {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--gold-accent);
  margin-bottom: 0.35rem;
  letter-spacing: 0.05em;
}

.step-name {
  font-size: 1.05rem; /* ≥ 18px */
  font-weight: 700;
  color: #ffffff;
  line-height: 1.3;
  margin-bottom: 0.25rem;
}

.step-desc {
  font-size: 0.95rem; /* ≥ 18px */
  color: var(--text-light-muted);
}

.step-connector {
  font-size: 1.4rem;
  color: var(--teal-light);
  font-weight: bold;
  padding: 0 0.25rem;
}

/* ==========================================================================
   ARTICLE FIGURE & CAPTIONS
   ========================================================================== */
.article-figure {
  margin: 4.5rem 0 4.5rem;
  width: 100%;
}

.figure-image-wrapper {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background-color: var(--bg-dark-hero);
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.article-image {
  width: 100%;
  height: auto;
  display: block;
  transition: transform 0.6s ease;
}

.article-image:hover {
  transform: scale(1.015);
}

.figure-caption {
  font-family: var(--font-sans);
  font-size: 1.025rem; /* ~18.5px */
  line-height: 1.65;
  color: var(--text-muted);
  padding: 1.25rem 0.5rem 0;
  border-top: 2px solid var(--teal-primary);
  margin-top: 1rem;
  font-style: normal;
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
}

.figure-caption::before {
  content: "▲";
  font-size: 0.85rem;
  color: var(--teal-primary);
  margin-top: 2px;
}

/* ==========================================================================
   INFOGRAPHIC 02: CHUỖI GIÁ TRỊ KHÉP KÍN CỦA XUYÊN VIỆT
   ========================================================================== */
.infographic-card.card-teal-theme {
  background-color: #071c26;
  border: 1px solid #144053;
}

.infographic-tag.tag-emerald {
  color: var(--teal-light);
}

/* Main Value Chain (5 Nodes) */
.main-chain-flow {
  display: flex;
  align-items: stretch;
  justify-content: space-between;
  gap: 0.6rem;
  margin-bottom: 2.5rem;
}

.chain-node-box {
  flex: 1;
  background: #0c2736;
  border: 1px solid rgba(56, 189, 248, 0.2);
  border-radius: 12px;
  padding: 1.25rem 0.85rem;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
  transition: var(--transition-smooth);
}

.chain-node-box:hover {
  border-color: var(--teal-light);
  transform: translateY(-3px);
  background: #0f3245;
}

.chain-node-box.dual-distribution {
  border-color: rgba(230, 154, 40, 0.4);
  background: rgba(230, 154, 40, 0.08);
}

.chain-node-box.highlight-consumer {
  border-color: var(--teal-light);
  background: rgba(14, 131, 136, 0.3);
}

.node-index {
  font-size: 0.85rem;
  font-weight: 800;
  color: var(--text-light-muted);
  margin-bottom: 0.35rem;
}

.node-icon-circle {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.node-title {
  font-size: 1.05rem; /* ≥ 18px */
  font-weight: 700;
  color: #ffffff;
  line-height: 1.35;
  margin-bottom: 0.35rem;
}

.node-sub {
  font-size: 0.95rem; /* ≥ 18px */
  color: var(--text-light-muted);
  line-height: 1.4;
}

.chain-arrow-symbol {
  display: flex;
  align-items: center;
  font-size: 1.4rem;
  font-weight: bold;
  color: var(--cyan-accent);
  padding: 0 0.15rem;
}

/* Surrounding Tech Layers Chips Grid */
.tech-layers-container {
  background: #06161f;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 14px;
  padding: 1.75rem 1.5rem;
  margin-bottom: 2rem;
}

.tech-layer-header {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-bottom: 1.25rem;
}

.layer-dot {
  width: 8px;
  height: 8px;
  background-color: var(--teal-light);
  border-radius: 50%;
}

.layer-title-text {
  font-size: 0.95rem; /* ≥ 18px */
  font-weight: 700;
  letter-spacing: 0.05em;
  color: #94a3b8;
}

.tech-chips-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 0.85rem;
}

.tech-chip {
  background: #0c2331;
  border: 1px solid rgba(46, 196, 182, 0.2);
  border-radius: 8px;
  padding: 0.75rem 1rem;
  font-size: 1rem; /* ≥ 18px */
  font-weight: 600;
  color: #e2e8f0;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  transition: var(--transition-smooth);
}

.tech-chip:hover {
  background: #113449;
  border-color: var(--teal-light);
  color: #ffffff;
}

.chip-dot {
  width: 6px;
  height: 6px;
  background-color: var(--teal-light);
  border-radius: 50%;
}

/* Standards Bar */
.standards-bar {
  display: flex;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.standard-badge {
  flex: 1;
  min-width: 160px;
  background: #09202c;
  border: 1.5px solid var(--teal-primary);
  border-radius: 10px;
  padding: 1rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.75rem;
}

.standard-badge.highlight-gold-badge {
  border-color: var(--gold-accent);
  background: rgba(230, 154, 40, 0.15);
}

.badge-icon {
  font-weight: bold;
  color: var(--teal-light);
  font-size: 1.15rem;
}

.highlight-gold-badge .badge-icon {
  color: var(--gold-accent);
}

.badge-title {
  font-size: 1.15rem; /* ≥ 18px */
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 0.03em;
}

/* Impact Pipeline */
.impact-flow-box {
  background: rgba(14, 131, 136, 0.15);
  border: 1px solid rgba(46, 196, 182, 0.3);
  border-radius: 12px;
  padding: 1.35rem 1.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.impact-title-bar {
  font-size: 0.95rem; /* ≥ 18px */
  font-weight: 800;
  color: var(--gold-light);
  letter-spacing: 0.05em;
}

.impact-steps {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.impact-step {
  font-size: 1.05rem; /* ≥ 18px */
  font-weight: 700;
  color: #f1f5f9;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.impact-num {
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--teal-primary);
  color: #ffffff;
  font-size: 0.85rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
}

.impact-step.highlight-impact {
  color: #fed7aa;
}

.impact-step.highlight-impact .impact-num {
  background: var(--gold-accent);
  color: #0b1d28;
}

.impact-arrow {
  color: var(--teal-light);
  font-weight: bold;
  font-size: 1.25rem;
}

/* ==========================================================================
   CONCLUSION SECTION: TỪ MỘT AO CÁ ĐẾN GIÁ TRỊ CÔNG NGHỆ
   ========================================================================== */
.conclusion-section {
  background-color: var(--bg-conclusion);
  color: var(--text-light);
  padding: 6rem 1.5rem 7rem;
  position: relative;
  border-top: 1px solid #142a38;
}

.conclusion-inner-container {
  max-width: 860px;
  margin: 0 auto;
  text-align: center;
}

.conclusion-editorial-p {
  font-size: 1.25rem; /* ~22.5px */
  line-height: 1.85;
  color: #cbd5e1;
  margin-bottom: 3.5rem;
  text-align: justify;
  text-justify: inter-word;
}

/* Highlighted Quote */
.featured-quote-wrapper {
  background: linear-gradient(135deg, #09202f 0%, #061621 100%);
  border: 1px solid rgba(46, 196, 182, 0.35);
  border-radius: 16px;
  padding: 3rem 2.5rem;
  margin-bottom: 4.5rem;
  position: relative;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.4);
}

.quote-mark {
  font-family: var(--font-editorial);
  font-size: 5rem;
  line-height: 1;
  color: var(--gold-accent);
  margin-bottom: -1rem;
  opacity: 0.8;
}

.featured-quote {
  font-family: var(--font-editorial);
  font-size: clamp(1.6rem, 2.8vw, 2.2rem);
  font-weight: 600;
  line-height: 1.5;
  color: #ffffff;
  font-style: italic;
}

/* Minimal Visual Flow in Conclusion */
.conclusion-visual-wrapper {
  background: #091a24;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 16px;
  padding: 2.25rem 2rem;
}

.visual-flow-line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
}

.visual-node {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.v-node-dot {
  width: 14px;
  height: 14px;
  border-radius: 50%;
  background: var(--text-light-muted);
  margin-bottom: 0.75rem;
  transition: var(--transition-smooth);
}

.v-node-dot.active-dot {
  background: var(--gold-accent);
  box-shadow: 0 0 12px var(--gold-accent);
}

.v-node-title {
  font-size: 1.15rem; /* ≥ 18px */
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.25rem;
}

.v-node-desc {
  font-size: 0.95rem; /* ≥ 18px */
  color: var(--text-light-muted);
}

.visual-node.highlight-v-node .v-node-title {
  color: var(--gold-accent);
}

.v-flow-arrow {
  color: var(--teal-light);
  font-size: 1.4rem;
  font-weight: bold;
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.editorial-footer {
  background-color: #03080d;
  color: #64748b;
  padding: 3.5rem 1.5rem;
  border-top: 1px solid #0f1d28;
  text-align: center;
}

.footer-meta {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.footer-credit {
  font-size: 1rem; /* ≥ 18px */
  font-weight: 700;
  color: #94a3b8;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.footer-note {
  font-size: 0.95rem; /* ≥ 18px */
  color: #64748b;
  line-height: 1.6;
}

/* ==========================================================================
   ANIMATIONS & SCROLL OBSERVER
   ========================================================================== */
@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulseDot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.3);
    opacity: 0.7;
  }
}

@keyframes scrollDown {
  0% {
    top: -50%;
  }
  100% {
    top: 100%;
  }
}

/* Scroll reveal trigger class */
.fade-in-element {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.75s ease-out, transform 0.75s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: opacity, transform;
}

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

/* ==========================================================================
   RESPONSIVE DESIGN (TABLET & MOBILE BREAKPOINTS)
   ========================================================================== */
@media (max-width: 860px) {
  html {
    font-size: 18px; /* Strict baseline: all text ≥ 18px on Mobile */
  }

  body {
    font-size: 1rem; /* 18px */
    line-height: 1.85;
  }

  /* Show Mobile Native Flow, Hide Desktop SVG */
  .desktop-only-map {
    display: none !important;
  }

  .mobile-only-flow {
    display: flex !important;
  }

  .article-container {
    padding: 0 1.25rem;
  }

  /* Hero Mobile */
  .hero-section {
    padding: 4.5rem 1.25rem 4.5rem;
    min-height: 90vh;
  }

  .hero-meta-tag {
    margin-bottom: 1.5rem;
    padding: 0.4rem 1rem;
  }

  .hero-title {
    font-size: 1.95rem;
    line-height: 1.3;
    margin-bottom: 1.5rem;
  }

  .hero-subtitle {
    font-size: 1.05rem; /* ~19px */
    line-height: 1.8;
    text-align: left;
    margin-bottom: 2.5rem;
  }

  /* Lead Section Mobile */
  .editorial-lead-section {
    padding: 3.5rem 0 2.5rem;
  }

  .lead-text-box {
    padding: 1.5rem 1.25rem;
  }

  .lead-paragraph {
    font-size: 1.15rem; /* ~20.7px */
    line-height: 1.75;
  }

  .dropcap {
    font-size: 3.8rem;
    padding-right: 10px;
  }

  /* Part Header & Prose Mobile */
  .article-part {
    padding: 3.5rem 0 4rem;
  }

  .part-header {
    margin-bottom: 2rem;
  }

  .part-title {
    font-size: 1.85rem;
    line-height: 1.35;
  }

  .editorial-paragraph {
    font-size: 1.05rem; /* ~18.9px */
    line-height: 1.85;
    text-align: left; /* Left align on mobile for natural reading rhythm */
    margin-bottom: 1.6rem;
  }

  /* Infographic 1 Mobile Stack */
  .infographic-wrapper {
    margin: 3.5rem 0;
    width: 100%;
  }

  .infographic-card {
    padding: 1.75rem 1.25rem;
    border-radius: 16px;
  }

  .infographic-title {
    font-size: 1.6rem;
  }

  .infographic-desc {
    font-size: 1rem;
  }

  .key-milestone-grid {
    grid-template-columns: 1fr;
    gap: 1.25rem;
    padding: 1.25rem;
  }

  .milestone-badge-box {
    border-right: none;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    padding-right: 0;
    padding-bottom: 1rem;
  }

  .milestone-year {
    font-size: 2.75rem;
  }

  .achievement-item {
    font-size: 1.05rem;
  }

  .map-flow-box {
    padding: 0.75rem;
    margin-bottom: 1.75rem;
  }

  .tech-flow-section {
    padding: 1.25rem 1rem;
  }

  .tech-step-track {
    flex-direction: column;
    gap: 0.6rem;
  }

  .tech-step-item {
    width: 100%;
    padding: 0.95rem 0.85rem;
  }

  .step-connector {
    transform: rotate(90deg);
    padding: 0.15rem 0;
    font-size: 1.2rem;
  }

  /* Figure & Captions Mobile */
  .article-figure {
    margin: 3.5rem 0;
  }

  .figure-caption {
    font-size: 1rem; /* 18px */
    padding-top: 1rem;
  }

  /* Infographic 2 Mobile Stack */
  .main-chain-flow {
    flex-direction: column;
    gap: 0.6rem;
    margin-bottom: 1.75rem;
  }

  .chain-node-box {
    width: 100%;
    flex-direction: row;
    text-align: left;
    gap: 1rem;
    padding: 1rem 1.15rem;
    align-items: center;
  }

  .node-icon-circle {
    margin-bottom: 0;
    font-size: 1.8rem;
    flex-shrink: 0;
  }

  .chain-arrow-symbol {
    justify-content: center;
    font-size: 1.2rem;
  }

  .tech-layers-container {
    padding: 1.25rem 1rem;
    margin-bottom: 1.5rem;
  }

  .tech-chips-grid {
    grid-template-columns: 1fr;
    gap: 0.65rem;
  }

  .tech-chip {
    font-size: 0.95rem; /* ≥ 18px */
    padding: 0.7rem 0.85rem;
  }

  .standards-bar {
    flex-direction: column;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
  }

  .standard-badge {
    padding: 0.85rem 1rem;
  }

  .impact-flow-box {
    padding: 1.25rem 1rem;
  }

  .impact-steps {
    flex-direction: column;
    align-items: stretch;
    gap: 0.65rem;
  }

  .impact-step {
    font-size: 1rem; /* 18px */
  }

  .impact-arrow {
    text-align: center;
    transform: rotate(90deg);
    font-size: 1rem;
  }

  /* Conclusion Section Mobile */
  .conclusion-section {
    padding: 4.5rem 1.25rem 5.5rem;
  }

  .conclusion-editorial-p {
    font-size: 1.15rem;
    text-align: left;
    margin-bottom: 2.75rem;
  }

  .featured-quote-wrapper {
    padding: 2.25rem 1.25rem;
    margin-bottom: 3.5rem;
  }

  .featured-quote {
    font-size: 1.45rem;
    line-height: 1.5;
  }

  .quote-mark {
    font-size: 4rem;
  }

  .conclusion-visual-wrapper {
    padding: 1.5rem 1.15rem;
  }

  .visual-flow-line {
    flex-direction: column;
    gap: 0.85rem;
  }

  .visual-node {
    width: 100%;
  }

  .v-node-title {
    font-size: 1.1rem;
  }

  .v-node-desc {
    font-size: 0.95rem;
  }

  .v-flow-arrow {
    transform: rotate(90deg);
    font-size: 1.2rem;
  }
}