/* ==========================================================================
   eMagazine Longform - Bloomberg x Financial Times x VnExpress Premium Style
   Color Palette:
   - Primary Green: #2E7D32
   - Tech Teal: #1B9AAA
   - Accent Gold: #D9A441
   - Background Light: #F8F9FA, #FFFFFF, #F4F6F8
   - Dark Text: #0F172A, #1A1D20
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Be+Vietnam+Pro:ital,wght@0,300;0,400;0,500;0,600;0,700;0,800;0,900;1,400;1,600&family=Inter:wght@400;500;600;700;800&family=Merriweather:ital,wght@0,300;0,400;0,700;1,300;1,400&display=swap');

:root {
  --primary-green: #2E7D32;
  --primary-green-dark: #1B5E20;
  --primary-green-light: #E8F5E9;
  --tech-teal: #1B9AAA;
  --tech-teal-dark: #006978;
  --tech-teal-light: #E0F7FA;
  --accent-gold: #D9A441;
  --accent-gold-dark: #B38226;
  --accent-gold-light: #FFF8E1;
  --bg-light: #F8F9FA;
  --bg-white: #FFFFFF;
  --bg-card: #FFFFFF;
  --bg-subtle: #F1F5F9;
  --text-main: #0F172A;
  --text-muted: #475569;
  --text-light: #64748B;
  --border-color: #E2E8F0;
  --border-accent: rgba(46, 125, 50, 0.2);
  --shadow-sm: 0 4px 6px -1px rgba(0, 0, 0, 0.05), 0 2px 4px -1px rgba(0, 0, 0, 0.03);
  --shadow-md: 0 10px 20px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.04);
  --shadow-lg: 0 20px 30px -5px rgba(0, 0, 0, 0.12), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-gold: 0 12px 30px -5px rgba(217, 164, 65, 0.35);
  --shadow-green: 0 12px 30px -5px rgba(46, 125, 50, 0.3);
  
  --font-heading: 'Be Vietnam Pro', 'Inter', -apple-system, sans-serif;
  --font-body: 'Be Vietnam Pro', 'Inter', -apple-system, sans-serif;
  --font-serif: 'Merriweather', Georgia, serif;
}

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

html {
  scroll-behavior: smooth;
  font-size: 18px;
  background-color: var(--bg-light);
  color: var(--text-main);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}

body {
  font-family: var(--font-body);
  font-size: 1rem; /* 18px */
  line-height: 1.85;
  color: var(--text-main);
  overflow-x: hidden;
  background-color: var(--bg-light);
}

/* Reading progress bar at top edge */
.progress-bar-container {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: rgba(255, 255, 255, 0.2);
  z-index: 9999;
}

.progress-bar {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--primary-green), var(--tech-teal), var(--accent-gold));
  transition: width 0.1s ease-out;
}

/* Section Containers */
.magazine-container {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 24px;
}

.wide-container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
}

.full-width {
  width: 100%;
}

/* Typography Rules */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.02em;
}

p {
  margin-bottom: 1.75rem;
  font-size: 1.05rem; /* ~19px */
  color: #1E293B;
  font-weight: 400;
}

strong {
  font-weight: 700;
  color: var(--text-main);
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */
.hero-section {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  color: #FFFFFF;
  text-align: center;
  padding: 80px 24px 60px;
  overflow: hidden;
  background-color: #0A190E;
}

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

.hero-bg-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.5;
  filter: saturate(1.2) contrast(1.1);
  transform: scale(1.05);
  transition: transform 12s ease-out;
}

.hero-section:hover .hero-bg-img {
  transform: scale(1.0);
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(15, 23, 42, 0.35) 0%, rgba(10, 25, 14, 0.85) 100%),
    linear-gradient(to bottom, rgba(10, 25, 14, 0.2) 0%, rgba(10, 25, 14, 0.95) 100%);
  z-index: 2;
}

#heroCanvas {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 3;
  pointer-events: none;
}

.hero-content {
  position: relative;
  z-index: 4;
  max-width: 980px;
  margin: 0 auto;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 20px;
  background: rgba(46, 125, 50, 0.25);
  border: 1px solid rgba(217, 164, 65, 0.5);
  backdrop-filter: blur(10px);
  border-radius: 50px;
  color: var(--accent-gold);
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 28px;
  box-shadow: 0 0 20px rgba(217, 164, 65, 0.2);
}

.hero-badge-dot {
  width: 8px;
  height: 8px;
  background-color: var(--accent-gold);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--accent-gold);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% {
    transform: scale(1);
    opacity: 1;
  }
  50% {
    transform: scale(1.5);
    opacity: 0.5;
  }
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 4.2rem);
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
  text-transform: uppercase;
  color: #FFFFFF;
}

.hero-title-line {
  display: block;
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.hero-title-line.visible {
  opacity: 1;
  transform: translateY(0);
}

.hero-title-line-1 {
  color: #FFFFFF;
}

.hero-title-line-2 {
  background: linear-gradient(135deg, #FFFFFF 0%, #E2E8F0 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-title-line-3 {
  background: linear-gradient(135deg, var(--accent-gold) 0%, #FFF3C4 50%, var(--accent-gold) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  text-shadow: 0 0 30px rgba(217, 164, 65, 0.3);
}

.hero-subtitle {
  font-size: clamp(1.1rem, 2vw, 1.4rem);
  line-height: 1.7;
  color: #CBD5E1;
  max-width: 820px;
  margin: 0 auto 40px;
  font-weight: 400;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.8s ease 0.6s, transform 0.8s ease 0.6s;
}

.hero-subtitle.visible {
  opacity: 1;
  transform: translateY(0);
}

.scroll-indicator {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 4;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 0.8rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  text-decoration: none;
  transition: color 0.3s ease;
}

.scroll-indicator:hover {
  color: var(--accent-gold);
}

.mouse-icon {
  width: 24px;
  height: 40px;
  border: 2px solid rgba(255, 255, 255, 0.4);
  border-radius: 12px;
  position: relative;
}

.mouse-wheel {
  width: 4px;
  height: 8px;
  background-color: var(--accent-gold);
  border-radius: 2px;
  position: absolute;
  top: 6px;
  left: 50%;
  transform: translateX(-50%);
  animation: scroll-wheel 1.8s infinite;
}

@keyframes scroll-wheel {
  0% {
    opacity: 1;
    top: 6px;
  }
  100% {
    opacity: 0;
    top: 22px;
  }
}

/* ==========================================================================
   INTRODUCTION SECTION (MỞ ĐẦU)
   ========================================================================== */
.intro-section {
  padding: 90px 0 50px;
  background-color: var(--bg-white);
  position: relative;
  overflow: hidden;
}

.intro-map-bg {
  position: absolute;
  top: 50%;
  right: -5%;
  transform: translateY(-50%);
  width: 450px;
  height: 600px;
  opacity: 0.04;
  pointer-events: none;
  background-image: radial-gradient(var(--primary-green) 1.5px, transparent 1.5px);
  background-size: 18px 18px;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
  margin-bottom: 50px;
}

.intro-lead-text {
  font-size: 1.15rem;
  line-height: 1.85;
}

.dropcap-wrapper {
  position: relative;
}

.dropcap {
  float: left;
  font-size: 5.2rem;
  line-height: 0.85;
  font-weight: 900;
  color: var(--primary-green);
  margin-right: 16px;
  margin-bottom: -4px;
  font-family: var(--font-heading);
}

.quote-box {
  background: linear-gradient(135deg, rgba(46, 125, 50, 0.04) 0%, rgba(27, 154, 170, 0.08) 100%);
  border-left: 5px solid var(--accent-gold);
  padding: 36px 32px;
  border-radius: 0 16px 16px 0;
  position: relative;
  box-shadow: var(--shadow-sm);
}

.quote-icon {
  position: absolute;
  top: 15px;
  right: 20px;
  width: 48px;
  height: 48px;
  opacity: 0.15;
  color: var(--primary-green);
}

.quote-text {
  font-family: var(--font-heading);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--primary-green-dark);
  font-style: italic;
}

/* ==========================================================================
   SECTION BANNERS & VISUAL DIVIDERS
   ========================================================================== */
.section-banner {
  position: relative;
  height: 420px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 60px 0;
  overflow: hidden;
  border-radius: 24px;
  box-shadow: var(--shadow-md);
}

.section-banner-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.section-banner:hover .section-banner-img {
  transform: scale(1.03);
}

.section-banner-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to right, rgba(15, 23, 42, 0.85) 0%, rgba(15, 23, 42, 0.4) 60%, rgba(15, 23, 42, 0.2) 100%);
  display: flex;
  align-items: center;
  padding: 0 48px;
}

.section-banner-title {
  color: #FFFFFF;
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  font-weight: 800;
  max-width: 750px;
  line-height: 1.25;
}

.section-banner-tag {
  display: inline-block;
  padding: 6px 16px;
  background: var(--accent-gold);
  color: #0F172A;
  font-size: 0.85rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  border-radius: 6px;
  margin-bottom: 14px;
}

/* ==========================================================================
   SECTION HEADINGS & ARTICLE PARAGRAPHS
   ========================================================================== */
.section-header {
  margin: 70px 0 36px;
}

.section-number {
  font-size: 0.9rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 3px;
  color: var(--accent-gold-dark);
  margin-bottom: 8px;
  display: block;
}

.section-title {
  font-size: clamp(1.8rem, 3.5vw, 2.5rem);
  font-weight: 800;
  color: var(--primary-green-dark);
  line-height: 1.25;
  position: relative;
  padding-bottom: 16px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 70px;
  height: 4px;
  background: linear-gradient(90deg, var(--primary-green), var(--tech-teal));
  border-radius: 2px;
}

.article-callout {
  background-color: var(--primary-green-light);
  border-left: 5px solid var(--primary-green);
  padding: 26px 32px;
  border-radius: 0 14px 14px 0;
  margin: 36px 0;
  font-size: 1.08rem;
}

.article-callout p {
  margin-bottom: 0;
  color: var(--primary-green-dark);
  font-weight: 600;
}

/* ==========================================================================
   INFOGRAPHICS SYSTEM - FULL WIDTH EXPANDED LAYOUT (1360px WIDE CONTAINER)
   ========================================================================== */

.infographic-wrapper {
  margin: 70px 0;
  background: var(--bg-white);
  border: 1px solid var(--border-color);
  border-radius: 24px;
  padding: 48px 56px;
  box-shadow: var(--shadow-lg);
  position: relative;
  overflow: hidden;
}

.infographic-header {
  text-align: center;
  margin-bottom: 44px;
}

.infographic-tag {
  display: inline-block;
  font-size: 0.9rem;
  font-weight: 800;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary-green);
  background: var(--primary-green-light);
  padding: 6px 18px;
  border-radius: 50px;
  margin-bottom: 12px;
}

.infographic-title {
  font-size: clamp(1.4rem, 2.5vw, 2.1rem);
  font-weight: 900;
  color: var(--text-main);
  line-height: 1.25;
}

/* --- INFOGRAPHIC 1: HAI VŨ KHÍ TĂNG GIÁ TRỊ NÔNG SẢN --- */
.weapons-grid {
  display: grid;
  grid-template-columns: 1fr 140px 1fr;
  gap: 32px;
  align-items: center;
}

.weapon-card {
  background: var(--bg-subtle);
  border: 2px solid var(--border-color);
  border-radius: 20px;
  padding: 40px 36px;
  transition: all 0.3s ease;
  position: relative;
}

.weapon-card.digital {
  border-color: rgba(27, 154, 170, 0.4);
}

.weapon-card.digital:hover {
  border-color: var(--tech-teal);
  box-shadow: 0 16px 36px rgba(27, 154, 170, 0.22);
  transform: translateY(-4px);
}

.weapon-card.ip {
  border-color: rgba(46, 125, 50, 0.4);
}

.weapon-card.ip:hover {
  border-color: var(--primary-green);
  box-shadow: var(--shadow-green);
  transform: translateY(-4px);
}

.weapon-header {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-bottom: 28px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--border-color);
}

.weapon-icon-box {
  width: 64px;
  height: 64px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.weapon-card.digital .weapon-icon-box {
  background: var(--tech-teal-light);
  color: var(--tech-teal-dark);
}

.weapon-card.ip .weapon-icon-box {
  background: var(--primary-green-light);
  color: var(--primary-green-dark);
}

.weapon-title {
  font-size: 1.5rem;
  font-weight: 900;
  letter-spacing: 0.5px;
}

.weapon-icons-row {
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.chip-icon {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  background: #FFFFFF;
  border: 1px solid var(--border-color);
  border-radius: 10px;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
}

.weapon-list {
  list-style: none;
}

.weapon-list li {
  font-size: 1.1rem;
  font-weight: 700;
  padding: 12px 0;
  display: flex;
  align-items: center;
  gap: 14px;
  border-bottom: 1px dashed #E2E8F0;
  color: var(--text-main);
}

.weapon-list li:last-child {
  border-bottom: none;
}

.check-icon {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.weapon-card.digital .check-icon {
  background: var(--tech-teal-light);
  color: var(--tech-teal-dark);
}

.weapon-card.ip .check-icon {
  background: var(--primary-green-light);
  color: var(--primary-green-dark);
}

.weapons-connector {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.arrow-badge {
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
  color: #FFFFFF;
  padding: 20px 24px;
  border-radius: 20px;
  font-size: 1.15rem;
  font-weight: 900;
  box-shadow: var(--shadow-gold);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  animation: float-pulse 3s infinite ease-in-out;
}

@keyframes float-pulse {
  0%, 100% {
    transform: translateY(0) scale(1);
  }
  50% {
    transform: translateY(-6px) scale(1.04);
  }
}

.arrow-icon {
  width: 32px;
  height: 32px;
}

/* --- INFOGRAPHIC 2: HTX HÒA TIẾN 1 DASHBOARD --- */
.dashboard-container {
  background: linear-gradient(145deg, #0F172A 0%, #1E293B 100%);
  border-radius: 24px;
  padding: 48px;
  color: #FFFFFF;
  box-shadow: var(--shadow-lg);
}

.dashboard-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  padding-bottom: 24px;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 20px;
}

.dashboard-title-box {
  display: flex;
  align-items: center;
  gap: 16px;
}

.dashboard-title-box h4 {
  color: #FFFFFF;
  font-size: 1.5rem;
}

.live-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 6px 16px;
  background: rgba(46, 125, 50, 0.35);
  border: 1px solid var(--primary-green);
  color: #81C784;
  border-radius: 50px;
  font-size: 0.85rem;
  font-weight: 700;
}

.live-dot {
  width: 10px;
  height: 10px;
  background: #4CAF50;
  border-radius: 50%;
  animation: blink 1.5s infinite;
}

@keyframes blink {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.3;
  }
}

.dashboard-stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.stat-card {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 18px;
  padding: 32px 24px;
  text-align: center;
  backdrop-filter: blur(8px);
  transition: transform 0.3s ease;
}

.stat-card:hover {
  transform: translateY(-4px);
  background: rgba(255, 255, 255, 0.1);
}

.stat-icon {
  font-size: 2.4rem;
  margin-bottom: 12px;
}

.stat-number {
  font-size: 2.8rem;
  font-weight: 900;
  color: var(--accent-gold);
  line-height: 1;
  margin-bottom: 8px;
  font-family: var(--font-heading);
}

.stat-label {
  font-size: 1.1rem;
  color: #94A3B8;
  font-weight: 600;
}

.dashboard-flow {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 16px;
  position: relative;
}

.flow-step-card {
  background: rgba(27, 154, 170, 0.12);
  border: 1px solid rgba(27, 154, 170, 0.35);
  border-radius: 16px;
  padding: 24px 16px;
  text-align: center;
  position: relative;
  transition: all 0.3s ease;
}

.flow-step-card:hover {
  background: rgba(27, 154, 170, 0.25);
  transform: translateY(-3px);
}

.flow-step-card.highlight {
  background: rgba(46, 125, 50, 0.25);
  border-color: var(--primary-green);
}

.flow-step-card.highlight:hover {
  background: rgba(46, 125, 50, 0.35);
}

.flow-step-icon {
  width: 44px;
  height: 44px;
  margin: 0 auto 12px;
  color: var(--tech-teal);
  display: flex;
  align-items: center;
  justify-content: center;
}

.flow-step-card.highlight .flow-step-icon {
  color: var(--accent-gold);
}

.flow-step-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #FFFFFF;
}

.data-line-svg {
  width: 100%;
  height: 36px;
  margin: 24px 0 16px;
}

.pulse-line {
  stroke: var(--tech-teal);
  stroke-dasharray: 8, 8;
  animation: dash 20s linear infinite;
}

@keyframes dash {
  to {
    stroke-dashoffset: -1000;
  }
}

/* ==========================================================================
   TRANSITION PARALLAX SECTIONS (CHUYỂN CẢNH)
   ========================================================================== */
.transition-strip {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  color: #FFFFFF;
  padding: 70px 0;
  margin: 80px 0;
  position: relative;
  overflow: hidden;
}

.transition-flow-nodes {
  display: flex;
  justify-content: space-around;
  align-items: center;
  max-width: 1200px;
  margin: 0 auto;
  flex-wrap: wrap;
  gap: 24px;
}

.trans-node {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 14px;
  z-index: 2;
  transition: transform 0.3s ease;
}

.trans-node:hover {
  transform: scale(1.1);
}

.trans-circle {
  width: 84px;
  height: 84px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  border: 2px solid var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 0 24px rgba(217, 164, 65, 0.3);
  color: #FFFFFF;
}

.trans-circle svg {
  width: 40px;
  height: 40px;
  stroke: var(--accent-gold);
}

.trans-label {
  font-size: 1.15rem;
  font-weight: 800;
  color: #F8FAFC;
  letter-spacing: 0.5px;
}

.trans-arrow {
  font-size: 2rem;
  color: var(--tech-teal);
  opacity: 0.85;
  animation: arrow-bounce 2s infinite ease-in-out;
}

@keyframes arrow-bounce {
  0%, 100% {
    transform: translateX(0);
  }
  50% {
    transform: translateX(6px);
  }
}

/* ==========================================================================
   INFOGRAPHIC 3: TIMELINE HTX MÂY TRE AN KHÊ (SPACIOUS 6 COLUMNS)
   ========================================================================== */
.timeline-container {
  position: relative;
  padding: 40px 0;
}

.timeline-line {
  position: absolute;
  top: 50%;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--border-color) 0%, var(--primary-green) 50%, var(--accent-gold) 100%);
  transform: translateY(-50%);
  z-index: 1;
}

.timeline-grid {
  display: grid;
  grid-template-columns: repeat(6, 1fr);
  gap: 20px;
  position: relative;
  z-index: 2;
}

.timeline-step {
  background: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: 18px;
  padding: 28px 18px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.timeline-step:hover {
  border-color: var(--primary-green);
  transform: translateY(-6px);
  box-shadow: var(--shadow-green);
}

.timeline-year-badge {
  display: inline-block;
  background: var(--primary-green);
  color: #FFFFFF;
  font-weight: 800;
  font-size: 1.1rem;
  padding: 6px 16px;
  border-radius: 20px;
  margin-bottom: 16px;
}

.timeline-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 14px;
  color: var(--primary-green-dark);
}

.timeline-text {
  font-size: 1.08rem;
  font-weight: 700;
  color: var(--text-main);
  line-height: 1.35;
}

/* ==========================================================================
   INFOGRAPHIC 4: RADIAL GREEN TRANSFORMATION (EXPANDED WIDE ORBITAL)
   ========================================================================== */
.radial-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  position: relative;
  min-height: 460px;
  padding: 30px 0;
  gap: 40px;
}

.radial-center {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary-green) 0%, var(--primary-green-dark) 100%);
  color: #FFFFFF;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 24px;
  box-shadow: var(--shadow-green);
  z-index: 3;
  border: 5px solid var(--accent-gold);
  flex-shrink: 0;
}

.radial-center-title {
  font-size: 1.25rem;
  font-weight: 900;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--accent-gold-light);
}

.radial-items-grid {
  flex: 1;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  z-index: 2;
}

.radial-card {
  background: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: 18px;
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 18px;
  box-shadow: var(--shadow-sm);
  transition: all 0.3s ease;
}

.radial-card:hover {
  border-color: var(--tech-teal);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.radial-icon {
  font-size: 2rem;
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: var(--primary-green-light);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.radial-card-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

/* ==========================================================================
   INFOGRAPHIC 5: SHIELD BRAND PROTECTION (BẢO HỘ THƯƠNG HIỆU - 3 COLUMNS)
   ========================================================================== */
.shield-container {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 48px;
  align-items: center;
}

.shield-graphic-box {
  background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
  border-radius: 24px;
  padding: 56px 40px;
  text-align: center;
  color: #FFFFFF;
  position: relative;
  box-shadow: var(--shadow-lg);
  border: 2px solid var(--accent-gold);
}

.shield-icon-wrapper {
  width: 120px;
  height: 140px;
  margin: 0 auto 24px;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.shield-svg {
  width: 100%;
  height: 100%;
  filter: drop-shadow(0 0 20px rgba(217, 164, 65, 0.45));
}

.shield-title {
  font-size: 1.6rem;
  font-weight: 900;
  color: #FFFFFF;
  margin-top: 12px;
}

.shield-reasons-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.reason-card {
  background: var(--bg-subtle);
  border-left: 5px solid var(--primary-green);
  border-radius: 0 16px 16px 0;
  padding: 24px 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s ease;
}

.reason-card:hover {
  transform: translateX(6px);
  background: #FFFFFF;
  box-shadow: var(--shadow-md);
}

.reason-check {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--primary-green-light);
  color: var(--primary-green-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 1rem;
  flex-shrink: 0;
}

.reason-text {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-main);
}

/* ==========================================================================
   INFOGRAPHIC 6: KPI DASHBOARD ĐÀ NẴNG 2025-2030 & FLOWCHART
   ========================================================================== */
.kpi-gauges-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 36px;
  margin-bottom: 56px;
}

.kpi-card {
  background: var(--bg-white);
  border: 2px solid var(--border-color);
  border-radius: 20px;
  padding: 40px 28px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  position: relative;
  transition: all 0.3s ease;
}

.kpi-card:hover {
  border-color: var(--accent-gold);
  box-shadow: var(--shadow-gold);
  transform: translateY(-4px);
}

.kpi-gauge-box {
  width: 180px;
  height: 110px;
  margin: 0 auto 18px;
  position: relative;
}

.gauge-svg {
  width: 100%;
  height: 100%;
}

.gauge-bg-path {
  fill: none;
  stroke: #E2E8F0;
  stroke-width: 12;
  stroke-linecap: round;
}

.gauge-fill-path {
  fill: none;
  stroke: var(--accent-gold);
  stroke-width: 12;
  stroke-linecap: round;
  stroke-dasharray: 220;
  stroke-dashoffset: 220;
  transition: stroke-dashoffset 2s ease-out;
}

.kpi-value-text {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary-green-dark);
  font-family: var(--font-heading);
  margin-top: -12px;
}

.kpi-desc {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-muted);
  line-height: 1.4;
}

/* Strategic Flowchart Diagram */
.strategic-flowchart {
  background: linear-gradient(135deg, var(--primary-green-light) 0%, var(--tech-teal-light) 100%);
  border-radius: 20px;
  padding: 40px;
  border: 1px solid rgba(46, 125, 50, 0.2);
}

.flowchart-title {
  text-align: center;
  font-size: 1.3rem;
  font-weight: 900;
  color: var(--primary-green-dark);
  margin-bottom: 28px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

.flowchart-steps {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

.flowchart-node {
  background: #FFFFFF;
  border: 2px solid var(--primary-green);
  border-radius: 14px;
  padding: 16px 24px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--primary-green-dark);
  box-shadow: var(--shadow-sm);
  flex: 1;
  text-align: center;
  min-width: 140px;
}

.flowchart-arrow {
  color: var(--accent-gold-dark);
  font-weight: 900;
  font-size: 1.6rem;
}

/* ==========================================================================
   CONCLUSION SECTION (KẾT)
   ========================================================================== */
.conclusion-section {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FFFFFF;
  padding: 100px 24px;
  overflow: hidden;
  background-color: #0A190E;
}

.conclusion-bg-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
  filter: contrast(1.1);
  z-index: 1;
}

.conclusion-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at center, rgba(10, 25, 14, 0.65) 0%, rgba(10, 25, 14, 0.95) 100%);
  z-index: 2;
}

.conclusion-content {
  position: relative;
  z-index: 3;
  max-width: 980px;
  margin: 0 auto;
  text-align: center;
}

.conclusion-quote-box {
  background: rgba(255, 255, 255, 0.07);
  border: 2px solid rgba(217, 164, 65, 0.6);
  backdrop-filter: blur(15px);
  border-radius: 28px;
  padding: 60px 48px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.4);
  margin-bottom: 40px;
}

.conclusion-quote-text {
  font-size: clamp(1.35rem, 2.5vw, 1.75rem);
  line-height: 1.65;
  font-weight: 700;
  color: #FFFFFF;
  font-family: var(--font-heading);
}

.conclusion-quote-text span {
  color: var(--accent-gold);
}

.author-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
}

.author-name {
  font-size: 1.3rem;
  font-weight: 800;
  color: var(--accent-gold);
  letter-spacing: 1px;
}

.author-title {
  font-size: 0.95rem;
  color: #94A3B8;
  text-transform: uppercase;
  letter-spacing: 2px;
}

/* ==========================================================================
   SCROLL ANIMATIONS (INTERSECTION OBSERVER)
   ========================================================================== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal-on-scroll.active {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE MEDIA QUERIES FOR MOBILE & TABLETS
   ========================================================================== */

/* Tablet & Smaller Desktop (< 992px) */
@media (max-width: 992px) {
  .magazine-container,
  .wide-container {
    padding: 0 20px;
  }

  .intro-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .dropcap {
    font-size: 4.2rem;
  }

  .section-banner {
    height: 320px;
    border-radius: 18px;
  }

  .section-banner-overlay {
    padding: 0 28px;
  }

  .infographic-wrapper {
    padding: 36px 28px;
    border-radius: 20px;
  }

  /* Infographic 1: Stack columns on tablet/mobile */
  .weapons-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .weapons-connector {
    margin: 12px 0;
  }

  .arrow-badge {
    flex-direction: row;
    padding: 14px 24px;
    font-size: 1.05rem;
  }

  .arrow-icon {
    transform: rotate(90deg);
  }

  /* Infographic 2: Dashboard */
  .dashboard-container {
    padding: 32px 24px;
  }

  .dashboard-stats-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .dashboard-flow {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px;
  }

  .data-line-svg {
    display: none;
  }

  /* Infographic 3: Vertical Timeline on Mobile */
  .timeline-container {
    padding: 10px 0;
  }

  .timeline-line {
    top: 0;
    left: 28px;
    width: 4px;
    height: 100%;
    transform: none;
  }

  .timeline-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    padding-left: 60px;
  }

  .timeline-step {
    text-align: left;
    padding: 20px 24px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline-icon {
    margin: 0 0 10px 0;
  }

  /* Infographic 4: Radial */
  .radial-container {
    flex-direction: column;
    gap: 32px;
    min-height: auto;
  }

  .radial-items-grid {
    grid-template-columns: repeat(2, 1fr);
    width: 100%;
  }

  /* Infographic 5: Shield */
  .shield-container {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .shield-reasons-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

  /* Infographic 6: KPI & Flowchart */
  .kpi-gauges-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .flowchart-steps {
    flex-direction: column;
    gap: 12px;
  }

  .flowchart-arrow {
    transform: rotate(90deg);
  }
}

/* Mobile Screens (< 768px) */
@media (max-width: 768px) {
  html {
    font-size: 17px; /* Optimal readability on smartphones */
  }

  .hero-section {
    padding: 70px 16px 40px;
  }

  .hero-badge {
    font-size: 0.75rem;
    padding: 6px 14px;
    letter-spacing: 1px;
  }

  .hero-title {
    font-size: clamp(1.75rem, 6.5vw, 2.6rem);
    line-height: 1.3;
    margin-bottom: 24px;
  }

  .hero-subtitle {
    font-size: 1.05rem;
    line-height: 1.65;
    margin-bottom: 30px;
  }

  .section-banner {
    height: 250px;
    margin: 40px 0;
    border-radius: 16px;
  }

  .section-banner-overlay {
    padding: 0 20px;
  }

  .section-banner-tag {
    font-size: 0.75rem;
    padding: 4px 12px;
  }

  .section-banner-title {
    font-size: 1.5rem;
  }

  .intro-section {
    padding: 60px 0 30px;
  }

  .quote-box {
    padding: 24px 20px;
  }

  .quote-text {
    font-size: 1.15rem;
  }

  .article-callout {
    padding: 20px 20px;
    margin: 28px 0;
  }

  .infographic-wrapper {
    padding: 28px 16px;
    margin: 40px 0;
    border-radius: 16px;
  }

  .infographic-title {
    font-size: 1.35rem;
  }

  .weapon-card {
    padding: 24px 18px;
    border-radius: 16px;
  }

  .weapon-title {
    font-size: 1.25rem;
  }

  .weapon-list li {
    font-size: 1rem;
  }

  .dashboard-container {
    padding: 24px 16px;
    border-radius: 16px;
  }

  .dashboard-title-box h4 {
    font-size: 1.2rem;
  }

  .stat-number {
    font-size: 2.2rem;
  }

  .dashboard-flow {
    grid-template-columns: 1fr;
  }

  .radial-items-grid {
    grid-template-columns: 1fr;
  }

  .shield-graphic-box {
    padding: 36px 20px;
    border-radius: 18px;
  }

  .shield-reasons-grid {
    grid-template-columns: 1fr;
  }

  .reason-card {
    padding: 18px 16px;
  }

  .reason-text {
    font-size: 1rem;
  }

  .strategic-flowchart {
    padding: 24px 16px;
    border-radius: 16px;
  }

  .flowchart-node {
    width: 100%;
    padding: 14px 16px;
    font-size: 1rem;
  }

  .transition-strip {
    padding: 48px 0;
    margin: 50px 0;
  }

  .transition-flow-nodes {
    gap: 16px;
  }

  .trans-circle {
    width: 64px;
    height: 64px;
  }

  .trans-circle svg {
    width: 30px;
    height: 30px;
  }

  .trans-label {
    font-size: 0.95rem;
  }

  .trans-arrow {
    font-size: 1.4rem;
  }

  .conclusion-section {
    padding: 70px 16px;
  }

  .conclusion-quote-box {
    padding: 32px 20px;
    border-radius: 18px;
  }

  .conclusion-quote-text {
    font-size: 1.15rem;
    line-height: 1.6;
  }

  .author-name {
    font-size: 1.1rem;
  }

  .author-title {
    font-size: 0.8rem;
  }
}

/* Extra Small Phones (< 400px) */
@media (max-width: 400px) {
  html {
    font-size: 16px;
  }

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

  .timeline-grid {
    padding-left: 45px;
  }

  .timeline-line {
    left: 20px;
  }
}