/* ==========================================================================
   DESIGN TOKENS & VARIABLES
   ========================================================================== */
:root {
    --color-primary-dark: #0D4B34;      /* Xanh lá sẫm sang trọng - nông nghiệp CNC */
    --color-primary: #1F7A56;           /* Xanh lá tươi hơn làm điểm nhấn */
    --color-primary-light: #EBF5F1;     /* Nền xanh lá cực nhẹ */
    --color-secondary: #122B43;         /* Xanh dương đậm sang trọng - kinh tế và tài chính */
    --color-secondary-light: #E9EFF4;   /* Nền xanh dương cực nhẹ */
    --color-accent: #D4AF37;            /* Vàng cát/vàng kim - Premium Accent */
    --color-accent-light: #FDFBF7;      /* Vàng kem nhẹ */
    --color-bg-light: #FAF9F6;          /* Màu trắng ngọc trai be nhạt sang trọng */
    --color-bg-white: #FFFFFF;
    --color-text-dark: #1E2229;         /* Chữ tối chính (Carbon) */
    --color-text-gray: #555E6D;         /* Chữ phụ, caption */
    --color-border: rgba(13, 75, 52, 0.1);
    
    /* Typography */
    --font-serif: 'Lora', 'Merriweather', Georgia, serif;
    --font-sans: 'Encode Sans', sans-serif;
    --font-display: 'Encode Sans', sans-serif;
    
    /* Layout */
    --width-article: 760px;
    --width-large: 1040px;
    --transition-smooth: all 0.5s cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: all 0.25s ease;
    --glass-bg: rgba(255, 255, 255, 0.75);
    --glass-border: rgba(255, 255, 255, 0.4);
    --shadow-premium: 0 20px 40px rgba(18, 43, 67, 0.05), 0 1px 3px rgba(18, 43, 67, 0.02);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

body {
    background-color: var(--color-bg-light);
    color: var(--color-text-dark);
    font-family: var(--font-sans);
    line-height: 1.8;
    overflow-x: hidden;
}

.container {
    width: 100%;
    max-width: var(--width-large);
    margin: 0 auto;
    padding: 0 24px;
}

/* Reading Progress Bar */
#progress-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: rgba(255, 255, 255, 0.2);
    z-index: 9999;
}

#progress-bar {
    width: 0%;
    height: 100%;
    background: linear-gradient(90deg, var(--color-primary-dark), var(--color-accent));
    transition: width 0.1s ease;
}

/* ==========================================================================
   HERO HEADER
   ========================================================================== */
.hero-section {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--color-bg-white);
    text-align: center;
}

.hero-section .parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    background-size: cover;
    background-position: center;
    z-index: 1;
    transform: translate3d(0, 0, 0);
    will-change: transform;
    animation: kenBurns 20s infinite alternate ease-in-out;
}

@keyframes kenBurns {
    0% { transform: scale(1) translateY(0); }
    100% { transform: scale(1.08) translateY(-3%); }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(18, 43, 67, 0.4) 0%, rgba(13, 75, 52, 0.7) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    max-width: 900px;
    padding: 0 24px;
    margin-top: -5vh;
}

.category-tag {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--color-accent);
    margin-bottom: 24px;
    text-transform: uppercase;
    animation: fadeInDown 1s var(--transition-smooth);
}

.hero-title {
    font-family: var(--font-serif);
    font-size: clamp(2.2rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 24px;
    color: var(--color-bg-white);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1.2s var(--transition-smooth);
}

.hero-subtitle {
    font-size: clamp(1rem, 2.2vw, 1.25rem);
    font-weight: 300;
    color: rgba(255, 255, 255, 0.9);
    max-width: 700px;
    margin: 0 auto 40px auto;
    line-height: 1.6;
    animation: fadeInUp 1.4s var(--transition-smooth);
}

.meta-author {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    animation: fadeInUp 1.6s var(--transition-smooth);
}

.author-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 4px;
}

.author-name {
    font-family: var(--font-serif);
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--color-accent-light);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    opacity: 0.8;
}

.scroll-text {
    font-family: var(--font-display);
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    margin-bottom: 8px;
    color: rgba(255, 255, 255, 0.7);
}

.scroll-arrow {
    animation: bounce 2s infinite;
    color: var(--color-accent);
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ==========================================================================
   SECTIONS & LAYOUT
   ========================================================================== */
main {
    position: relative;
    z-index: 10;
    background-color: var(--color-bg-light);
}

/* Intro Section */
.section-intro {
    padding: 100px 0;
    background-color: var(--color-bg-white);
    position: relative;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 60px;
    align-items: center;
}

.intro-left {
    padding-right: 20px;
}

.dropcap-lead {
    font-family: var(--font-serif);
    font-size: 1.6rem;
    line-height: 1.65;
    color: var(--color-primary-dark);
    margin-bottom: 24px;
    font-weight: 500;
}

.dropcap-lead::first-letter {
    font-family: var(--font-display);
    font-size: 4.5rem;
    font-weight: 800;
    float: left;
    margin-right: 12px;
    line-height: 0.85;
    color: var(--color-accent);
}

.intro-lead-2 {
    font-size: 1.15rem;
    color: var(--color-text-gray);
    line-height: 1.75;
}

/* Glassmorphism Card Style */
.highlight-card {
    background: var(--glass-bg);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
}

.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 30px 60px rgba(18, 43, 67, 0.08);
}

.card-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 30px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--color-primary-light);
}

.intro-stats-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.stat-box {
    display: flex;
    flex-direction: column;
}

.stat-icon-wrapper {
    color: var(--color-primary);
    margin-bottom: 10px;
}

.stat-number-wrapper {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    line-height: 1;
    color: var(--color-primary-dark);
    margin-bottom: 6px;
}

.stat-unit {
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-text-gray);
}

.stat-label {
    font-size: 0.85rem;
    line-height: 1.4;
    color: var(--color-text-gray);
}

/* ==========================================================================
   PART TEMPLATE
   ========================================================================== */
.section-part {
    padding-bottom: 100px;
}

.part-header-wrapper {
    position: relative;
    width: 100%;
    height: 60vh;
    display: flex;
    align-items: center;
    overflow: hidden;
    color: var(--color-bg-white);
}

.part-header-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    background-size: cover;
    background-position: center;
    z-index: 1;
    transform: translate3d(0, 0, 0);
    will-change: transform;
}

.part-header-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, rgba(13, 75, 52, 0.85) 0%, rgba(18, 43, 67, 0.4) 100%);
    z-index: 2;
}

.part-header-content {
    position: relative;
    z-index: 3;
}

.part-number {
    font-family: var(--font-display);
    font-size: 1rem;
    font-weight: 800;
    letter-spacing: 4px;
    color: var(--color-accent);
    text-transform: uppercase;
    display: block;
    margin-bottom: 16px;
}

.part-title {
    font-family: var(--font-serif);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    line-height: 1.2;
}

/* Content Container for Longform Reading */
.content-container {
    max-width: var(--width-large);
    margin: 80px auto 0 auto;
}

.article-text {
    max-width: var(--width-article);
    margin: 0 auto 50px auto;
    padding: 0 16px;
}

.article-text p {
    font-size: 1.15rem;
    line-height: 1.85;
    color: var(--color-text-dark);
    margin-bottom: 30px;
    letter-spacing: -0.01em;
}

.article-text p:first-of-type {
    font-size: 1.25rem;
    font-weight: 400;
    color: rgba(30, 34, 41, 0.95);
}

/* Infographic Box Wrapper */
.infographic-box {
    max-width: var(--width-large);
    margin: 60px auto;
    padding: 50px;
    border-radius: 24px;
    position: relative;
    box-shadow: var(--shadow-premium);
}

.glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(16px) saturate(180%);
    -webkit-backdrop-filter: blur(16px) saturate(180%);
    border: 1px solid var(--glass-border);
}

.info-title {
    font-family: var(--font-display);
    font-size: 0.9rem;
    font-weight: 800;
    letter-spacing: 3px;
    color: var(--color-secondary);
    text-align: center;
    margin-bottom: 40px;
    text-transform: uppercase;
    position: relative;
}

.info-title::after {
    content: '';
    display: block;
    width: 40px;
    height: 3px;
    background-color: var(--color-accent);
    margin: 12px auto 0 auto;
    border-radius: 2px;
}

/* ==========================================================================
   PART 1 INFOGRAPHICS
   ========================================================================== */

/* Dashboard 1: Donut Chart */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 40px;
    align-items: center;
}

.chart-container {
    display: flex;
    align-items: center;
    justify-content: space-around;
    gap: 30px;
}

.donut-chart-wrapper {
    position: relative;
    width: 200px;
    height: 200px;
}

.donut-chart {
    width: 100%;
    height: 100%;
    transform: rotate(-90deg);
}

.donut-segment {
    transition: stroke-width 0.3s var(--transition-smooth), stroke 0.3s;
    cursor: pointer;
}

.donut-segment:hover {
    stroke-width: 14;
}

.donut-center-text {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    pointer-events: none;
}

.donut-total {
    font-family: var(--font-display);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-secondary);
    display: block;
    line-height: 1;
}

.donut-total-lbl {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-gray);
}

.chart-legend {
    list-style: none;
}

.chart-legend li {
    font-size: 0.95rem;
    color: var(--color-text-gray);
    margin-bottom: 12px;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: var(--transition-fast);
}

.chart-legend li:hover, .chart-legend li.active-legend {
    background-color: var(--color-primary-light);
    color: var(--color-primary-dark);
}

.bullet {
    display: inline-block;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    margin-right: 10px;
}

.dashboard-stats {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.stat-mini-card {
    background-color: var(--color-bg-white);
    border-radius: 16px;
    padding: 24px;
    border: 1px solid var(--color-border);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.01);
}

.mini-lbl {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-text-gray);
    margin-bottom: 6px;
}

.mini-val {
    font-family: var(--font-display);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--color-primary-dark);
    line-height: 1.2;
}

.mini-unit {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--color-text-gray);
}

/* Dashboard 2: Flow diagram */
.flow-diagram-container {
    position: relative;
    padding: 40px 0;
    width: 100%;
}

.flow-line-progress {
    position: absolute;
    top: 50%;
    left: 4%;
    width: 92%;
    height: 4px;
    background-color: var(--color-secondary-light);
    transform: translateY(-50%);
    z-index: 1;
}

.flow-steps {
    display: flex;
    justify-content: space-between;
    position: relative;
    z-index: 2;
}

.flow-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    width: 12%;
    cursor: pointer;
}

.step-num {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 800;
    color: var(--color-accent);
    background-color: var(--color-bg-white);
    padding: 2px 8px;
    border-radius: 10px;
    border: 1px solid var(--color-border);
    margin-bottom: 12px;
    transition: var(--transition-fast);
}

.step-icon {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--color-bg-white);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary-dark);
    margin-bottom: 12px;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
}

.step-name {
    font-family: var(--font-sans);
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--color-secondary);
    transition: var(--transition-fast);
}

/* Hover & Active Flow step states */
.flow-step:hover .step-icon,
.flow-step.active-step .step-icon {
    background-color: var(--color-primary-dark);
    color: var(--color-bg-white);
    border-color: var(--color-primary-dark);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 20px rgba(13, 75, 52, 0.2);
}

.flow-step:hover .step-name,
.flow-step.active-step .step-name {
    color: var(--color-primary-dark);
}

.flow-step:hover .step-num,
.flow-step.active-step .step-num {
    background-color: var(--color-accent);
    color: var(--color-secondary);
    border-color: var(--color-accent);
}

/* Story Card (Case study) */
.story-card {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 40px;
    background-color: var(--color-bg-white);
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-premium);
    margin: 60px auto;
    border: 1px solid var(--color-border);
}

.story-img-container {
    width: 100%;
    height: 100%;
    min-height: 380px;
    display: flex;
    align-items: stretch;
}

.story-img-container img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.story-tag {
    position: absolute;
    top: 24px;
    left: 24px;
    background-color: var(--color-accent);
    color: var(--color-secondary);
    padding: 6px 16px;
    font-family: var(--font-display);
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 2px;
    border-radius: 30px;
}

.story-details {
    padding: 50px 40px 50px 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.story-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-primary-dark);
    margin-bottom: 16px;
}

.story-desc {
    font-size: 1.05rem;
    color: var(--color-text-gray);
    margin-bottom: 30px;
    line-height: 1.65;
}

.story-sidebar-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 24px;
    border-top: 1px solid var(--color-border);
    padding-top: 24px;
}

.sidebar-stat-item {
    display: flex;
    flex-direction: column;
}

.sidebar-stat-val {
    font-family: var(--font-display);
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--color-secondary);
}

.sidebar-stat-lbl {
    font-size: 0.8rem;
    color: var(--color-text-gray);
    line-height: 1.3;
}

/* ==========================================================================
   TÍT XEN (Typography cực lớn)
   ========================================================================== */
.divider-quote {
    position: relative;
    width: 100%;
    height: 70vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    color: var(--color-bg-white);
    text-align: center;
    margin: 80px 0;
}

.divider-quote-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 130%;
    background-size: cover;
    background-position: center;
    z-index: 1;
    transform: translate3d(0, 0, 0);
    will-change: transform;
}

.divider-quote-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg, rgba(18, 43, 67, 0.6) 0%, rgba(13, 75, 52, 0.8) 100%);
    z-index: 2;
}

.divider-quote-content {
    position: relative;
    z-index: 3;
    max-width: 800px;
    padding: 0 24px;
}

.divider-quote blockquote {
    font-family: var(--font-serif);
    font-size: clamp(1.8rem, 4vw, 3.2rem);
    font-weight: 600;
    line-height: 1.35;
    color: var(--color-accent-light);
    text-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

/* ==========================================================================
   PART 2 INFOGRAPHICS
   ========================================================================== */

/* Timeline Vườn nhà Đà Lạt */
.timeline-container {
    position: relative;
    margin-top: 40px;
    padding: 20px 0;
}

.timeline-track {
    position: absolute;
    left: 50%;
    top: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-primary-light);
    transform: translateX(-50%);
    z-index: 1;
}

.timeline-milestones {
    position: relative;
    z-index: 2;
    display: flex;
    flex-direction: column;
}

.milestone-card {
    display: grid;
    grid-template-columns: 1fr 80px 1fr;
    align-items: center;
    position: relative;
    margin-bottom: 50px;
    width: 100%;
    transition: var(--transition-smooth);
}

.milestone-card:nth-child(even) {
    align-self: auto;
    margin-left: 0;
    justify-content: auto;
    padding-left: 0;
}

.milestone-dot {
    grid-column: 2;
    justify-self: center;
    position: relative;
    width: 18px;
    height: 18px;
    border-radius: 50%;
    background-color: var(--color-accent);
    border: 4px solid var(--color-bg-white);
    box-shadow: 0 0 10px rgba(212, 175, 55, 0.4);
    z-index: 3;
    transition: var(--transition-fast);
}

.milestone-card:nth-child(even) .milestone-dot {
    position: relative;
    left: auto;
    right: auto;
}

.milestone-year {
    font-family: var(--font-display);
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--color-primary-dark);
    display: inline-block;
    transition: var(--transition-smooth);
}

.milestone-card:nth-child(odd) .milestone-year {
    grid-column: 3;
    justify-self: start;
    margin-left: 20px;
    margin-bottom: 0;
}

.milestone-card:nth-child(odd) .milestone-content {
    grid-column: 1;
}

.milestone-card:nth-child(even) .milestone-year {
    grid-column: 1;
    justify-self: end;
    margin-right: 20px;
    margin-bottom: 0;
}

.milestone-card:nth-child(even) .milestone-content {
    grid-column: 3;
}

.milestone-content {
    background-color: var(--color-bg-white);
    border-radius: 16px;
    padding: 24px;
    box-shadow: var(--shadow-premium);
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.milestone-content h5 {
    font-family: var(--font-sans);
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 8px;
}

.milestone-content p {
    font-size: 0.9rem;
    color: var(--color-text-gray);
    line-height: 1.5;
}

/* Timeline Cards Interactive states */
.milestone-card:hover .milestone-dot {
    background-color: var(--color-primary-dark);
    transform: scale(1.3);
    box-shadow: 0 0 15px rgba(13, 75, 52, 0.6);
}

.milestone-card:hover .milestone-content {
    transform: translateY(-5px);
    box-shadow: 0 20px 45px rgba(18, 43, 67, 0.08);
    border-color: var(--color-accent);
}

/* Hub & Spoke: SHTT Ecosystem */
.hub-spoke-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    height: 600px;
    width: 600px;
    margin: 40px auto;
}

.hub-spoke-svg-container {
    position: relative;
    width: 100%;
    height: 100%;
}

.hub-spoke-lines {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.spoke-line {
    stroke: var(--color-secondary-light);
    stroke-width: 2.5;
    stroke-linecap: round;
    transition: stroke 0.3s, stroke-width 0.3s;
}

.hub-node {
    position: absolute;
    top: 300px;
    left: 300px;
    transform: translate(-50%, -50%);
    width: 100px;
    height: 100px;
    border-radius: 50%;
    background-color: var(--color-primary-dark);
    box-shadow: 0 0 30px rgba(13, 75, 52, 0.2);
    z-index: 3;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-smooth);
}

.hub-node-inner {
    width: 86px;
    height: 86px;
    border-radius: 50%;
    background-color: var(--color-bg-white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.hub-node span {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--color-primary-dark);
}

.spoke-node {
    position: absolute;
    transform: translate(-50%, -50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    width: 90px;
    transition: var(--transition-smooth);
}

.node-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    background-color: var(--color-bg-white);
    border: 2px solid var(--color-border);
    box-shadow: var(--shadow-premium);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    margin-bottom: 8px;
    transition: var(--transition-smooth);
}

.node-label {
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-text-dark);
    text-align: center;
    white-space: nowrap;
    background-color: rgba(255, 255, 255, 0.85);
    padding: 2px 8px;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    transition: var(--transition-fast);
}

/* Hub & Spoke Hover interactions */
.spoke-node:hover .node-icon {
    transform: scale(1.2);
    border-color: var(--color-accent);
    background-color: var(--color-accent-light);
    box-shadow: 0 10px 20px rgba(212, 175, 55, 0.15);
}

.spoke-node:hover .node-label {
    color: var(--color-primary-dark);
    background-color: var(--color-bg-white);
}

/* Flowchart Vertical (Quy trình bảo hộ) */
.flowchart-vertical {
    position: relative;
    max-width: 600px;
    margin: 40px auto;
    padding-left: 60px;
}

.flowchart-line {
    position: absolute;
    left: 28px;
    top: 0;
    width: 4px;
    height: 100%;
    background-color: var(--color-primary-light);
    z-index: 1;
}

.flowchart-step {
    position: relative;
    margin-bottom: 40px;
    z-index: 2;
    transition: var(--transition-smooth);
}

.flowchart-step:last-child {
    margin-bottom: 0;
}

.flowchart-icon {
    position: absolute;
    left: -48px;
    top: 4px;
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background-color: var(--color-bg-white);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    box-shadow: var(--shadow-premium);
    z-index: 3;
    transition: var(--transition-smooth);
}

.flowchart-content {
    background-color: var(--color-bg-white);
    border-radius: 16px;
    padding: 20px 24px;
    box-shadow: var(--shadow-premium);
    border: 1px solid var(--color-border);
    transition: var(--transition-smooth);
}

.flowchart-content h5 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 6px;
}

.flowchart-content p {
    font-size: 0.85rem;
    color: var(--color-text-gray);
    line-height: 1.5;
}

/* Hover flowchart step */
.flowchart-step:hover .flowchart-icon {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-bg-white);
    transform: scale(1.15);
}

.flowchart-step:hover .flowchart-content {
    transform: translateX(5px);
    box-shadow: 0 15px 30px rgba(13, 75, 52, 0.05);
    border-color: var(--color-primary);
}

/* Full Width Illustration banner */
.full-width-ill-wrapper {
    width: 100%;
    margin: 60px 0;
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid var(--color-border);
    background-color: var(--color-bg-white);
    box-shadow: var(--shadow-premium);
}

.full-width-ill-wrapper img {
    width: 100%;
    height: auto;
    display: block;
}

.ill-caption {
    font-size: 0.9rem;
    color: var(--color-text-gray);
    padding: 20px 24px;
    background-color: var(--color-bg-white);
    border-top: 1px solid var(--color-border);
    text-align: center;
    line-height: 1.5;
}

/* ==========================================================================
   PART 3 INFOGRAPHICS
   ========================================================================== */

/* Roadmap (Chính sách hỗ trợ) */
.roadmap-wrapper {
    position: relative;
    width: 100%;
    height: 500px;
    margin-top: 20px;
}

.roadmap-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.roadmap-path {
    stroke-dasharray: 8,8;
}

.roadmap-path-active {
    transition: stroke-dashoffset 2s ease-out;
}

.roadmap-node {
    position: absolute;
    transform: translate(-50%, -50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    width: 120px;
    transition: var(--transition-smooth);
}

.node-ico {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: var(--color-bg-white);
    border: 2px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.1rem;
    margin-bottom: 8px;
    box-shadow: var(--shadow-premium);
    transition: var(--transition-smooth);
}

.node-lbl {
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--color-secondary);
    text-align: center;
    line-height: 1.3;
    background-color: rgba(255, 255, 255, 0.9);
    padding: 4px 8px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.roadmap-node:hover .node-ico {
    transform: scale(1.2);
    border-color: var(--color-primary-dark);
    background-color: var(--color-primary-light);
}

.roadmap-node:hover .node-lbl {
    color: var(--color-primary-dark);
}

/* Dashboard Goals: Gauge & Progress */
.dashboard-goals-grid {
    display: grid;
    grid-template-columns: 1fr 1fr 1.2fr;
    gap: 30px;
    align-items: stretch;
}

.gauge-card {
    background-color: var(--color-bg-white);
    border-radius: 20px;
    padding: 30px 24px;
    border: 1px solid var(--color-border);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.02);
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.gauge-title {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 24px;
}

.gauge-chart-wrapper {
    position: relative;
    width: 140px;
    height: 70px;
    margin-bottom: 16px;
}

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

.gauge-path-active {
    transition: stroke-dashoffset 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.gauge-value {
    position: absolute;
    bottom: 3px; /* Đặt ở vị trí tối ưu bên trong lòng rỗng của cung tròn */
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    line-height: 1.1;
}

.gauge-value .stat-num {
    font-family: var(--font-display);
    font-size: 1.35rem; /* Giảm nhẹ để vừa vặn hoàn hảo trong lòng cung tròn */
    font-weight: 800;
    color: var(--color-primary-dark);
}

.gauge-value .gauge-unit {
    font-family: var(--font-sans);
    font-size: 0.65rem; /* Giảm nhẹ chiều rộng của đơn vị */
    font-weight: 600;
    color: var(--color-text-gray);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    white-space: nowrap;
}

.gauge-desc {
    font-size: 0.8rem;
    color: var(--color-text-gray);
    line-height: 1.4;
}

.progress-list-card {
    align-items: stretch;
    text-align: left;
}

.progress-item {
    margin-bottom: 20px;
}

.progress-item:last-child {
    margin-bottom: 0;
}

.progress-lbl-wrapper {
    display: flex;
    justify-content: space-between;
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--color-text-dark);
    margin-bottom: 6px;
    line-height: 1.4;
}

.progress-lbl {
    max-width: 80%;
}

.progress-pct {
    color: var(--color-primary);
}

.progress-track {
    width: 100%;
    height: 6px;
    background-color: var(--color-secondary-light);
    border-radius: 3px;
    overflow: hidden;
}

.progress-fill {
    width: 0%;
    height: 100%;
    background-color: var(--color-primary);
    border-radius: 3px;
    transition: width 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.progress-fill.fill-1 {
    background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
}

.progress-fill.fill-2 {
    background: linear-gradient(90deg, var(--color-primary), var(--color-secondary));
}

/* Before - After chuyển dịch */
.before-after-container {
    display: grid;
    grid-template-columns: 1fr 0.2fr 1fr;
    gap: 20px;
    align-items: center;
    margin-top: 20px;
}

.ba-side {
    border-radius: 20px;
    padding: 30px;
    height: 100%;
}

.ba-before {
    background-color: #FAF4F4; /* Đỏ xám cực nhạt */
    border: 1px solid rgba(224, 86, 86, 0.15);
}

.ba-after {
    background-color: var(--color-primary-light);
    border: 1px solid rgba(31, 122, 86, 0.15);
}

.ba-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    padding-bottom: 12px;
}

.ba-badge {
    font-family: var(--font-display);
    font-size: 0.7rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 4px;
    background-color: #E2E8F0;
    color: var(--color-text-gray);
    letter-spacing: 1px;
}

.ba-badge.active {
    background-color: var(--color-accent);
    color: var(--color-secondary);
}

.ba-header h5 {
    font-family: var(--font-sans);
    font-size: 1rem;
    font-weight: 700;
    color: var(--color-secondary);
}

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

.ba-list li {
    display: flex;
    gap: 12px;
    margin-bottom: 20px;
    align-items: flex-start;
}

.ba-list li:last-child {
    margin-bottom: 0;
}

.ba-icon {
    font-size: 0.9rem;
    margin-top: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 20px;
    height: 20px;
    border-radius: 50%;
}

.ba-before .ba-icon {
    background-color: rgba(224, 86, 86, 0.15);
    color: #C53030;
}

.ba-after .ba-icon {
    background-color: rgba(31, 122, 86, 0.15);
    color: var(--color-primary-dark);
}

.ba-txt strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--color-secondary);
    margin-bottom: 4px;
}

.ba-txt p {
    font-size: 0.82rem;
    color: var(--color-text-gray);
    line-height: 1.4;
}

.ba-separator {
    height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* ==========================================================================
   CONCLUSION & FOOTER
   ========================================================================== */
.section-conclusion {
    position: relative;
    width: 100%;
    background-color: var(--color-secondary);
    padding: 120px 0;
    overflow: hidden;
}

.conclusion-banner {
    position: relative;
    width: 100%;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.conclusion-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 120%;
    background-size: cover;
    background-position: center;
    opacity: 0.35; /* Hiển thị rõ ảnh nông nghiệp hoàng hôn ở nền */
    z-index: 1;
    transform: translate3d(0, 0, 0);
    will-change: transform;
}

.conclusion-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle, rgba(18, 43, 67, 0.4) 0%, rgba(13, 75, 52, 0.75) 100%);
    z-index: 2;
}

.conclusion-inner {
    position: relative;
    z-index: 3;
    max-width: 800px;
    background: rgba(255, 255, 255, 0.08); /* Thủy tinh mờ tối sang trọng */
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 28px;
    padding: 60px 48px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    text-align: center;
}

.conclusion-inner::before {
    content: "“";
    font-family: var(--font-serif);
    font-size: 8rem;
    color: var(--color-accent);
    position: absolute;
    top: -50px;
    left: 50%;
    transform: translateX(-50%);
    line-height: 1;
    opacity: 0.8;
}

.conclusion-body {
    font-family: var(--font-serif);
    font-size: clamp(1.2rem, 2.5vw, 1.6rem);
    font-weight: 400;
    line-height: 1.75;
    margin-bottom: 30px;
    color: var(--color-accent-light);
    text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.conclusion-author {
    display: inline-block;
    border-top: 1px solid rgba(255, 255, 255, 0.25);
    padding-top: 16px;
    width: 160px;
}

.conclusion-author .author-name {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-accent);
    letter-spacing: 1px;
}

.footer-author {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--color-accent);
    margin-bottom: 8px;
    font-weight: 600;
}

/* Footer style */
footer {
    background-color: var(--color-secondary);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-content {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    gap: 12px;
}

.footer-logo {
    font-family: var(--font-display);
    font-size: 1.1rem;
    font-weight: 800;
    letter-spacing: 2px;
    color: var(--color-accent);
    margin-bottom: 12px;
}

.footer-copyright {
    font-size: 0.8rem;
    line-height: 1.5;
}

.footer-tagline {
    font-family: var(--font-display);
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-primary-light);
    text-transform: uppercase;
    text-align: right;
    max-width: 400px;
    line-height: 1.6;
}

/* ==========================================================================
   ANIMATIONS & SCROLL REVEAL UTILITIES
   ========================================================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Scroll reveal classes controlled by JS */
.scale-in {
    opacity: 0;
    transform: scale(0.96) translateY(20px);
    transition: opacity 1.2s cubic-bezier(0.16, 1, 0.3, 1), transform 1.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.scale-in.revealed {
    opacity: 1;
    transform: scale(1) translateY(0);
}

.text-reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 1.5s cubic-bezier(0.16, 1, 0.3, 1), transform 1.5s cubic-bezier(0.16, 1, 0.3, 1);
}

.text-reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   RESPONSIVE DESIGN (Desktop First)
   ========================================================================== */

/* Medium Devices (Tablets, 1024px and below) */
@media (max-width: 1024px) {
    .container {
        padding: 0 32px;
    }
    
    .intro-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .intro-left {
        padding-right: 0;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .chart-container {
        justify-content: center;
        gap: 50px;
    }
    
    .story-card {
        grid-template-columns: 1fr;
        gap: 0;
    }
    
    .story-img-container {
        height: 320px;
        min-height: auto;
    }
    
    .story-details {
        padding: 40px;
    }
    
    .hub-spoke-wrapper {
        width: 500px;
        height: 500px;
    }
    
    /* Re-map Hub & Spoke nodes coordinates for 500px wrapper */
    .spoke-node {
        width: 80px;
    }
    .node-icon {
        width: 38px;
        height: 38px;
        font-size: 1.1rem;
    }
    
    .hub-node {
        top: 250px;
        left: 250px;
        width: 80px;
        height: 80px;
    }
    .hub-node-inner {
        width: 68px;
        height: 68px;
    }
    
    .spoke-node.node-1 { top: 60px; left: 250px; }
    .spoke-node.node-2 { top: 95px; left: 345px; }
    .spoke-node.node-3 { top: 160px; left: 410px; }
    .spoke-node.node-4 { top: 250px; left: 440px; }
    .spoke-node.node-5 { top: 340px; left: 410px; }
    .spoke-node.node-6 { top: 405px; left: 345px; }
    .spoke-node.node-7 { top: 440px; left: 250px; }
    .spoke-node.node-8 { top: 405px; left: 155px; }
    .spoke-node.node-9 { top: 340px; left: 90px; }
    .spoke-node.node-10 { top: 250px; left: 60px; }
    .spoke-node.node-11 { top: 160px; left: 90px; }
    .spoke-node.node-12 { top: 95px; left: 155px; }
    
    .dashboard-goals-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .progress-list-card {
        grid-column: span 2;
    }
}

/* Small Devices (Mobiles, 768px and below) */
@media (max-width: 768px) {
    html {
        font-size: 15px;
    }
    
    .container {
        padding: 0 20px;
    }
    
    .hero-content {
        margin-top: 0;
    }
    
    .section-intro {
        padding: 60px 0;
    }
    
    .part-header-wrapper {
        height: 45vh;
    }
    
    .infographic-box {
        padding: 24px 16px;
        margin: 40px auto;
        border-radius: 16px;
    }
    
    /* Responsive Donut chart */
    .chart-container {
        flex-direction: column;
        gap: 30px;
    }
    
    /* Responsive Flow diagram: Turn vertical on Mobile */
    .flow-diagram-container {
        padding: 0;
    }
    
    .flow-line-progress {
        display: none;
    }
    
    .flow-steps {
        flex-direction: column;
        gap: 20px;
    }
    
    .flow-step {
        flex-direction: row;
        width: 100%;
        text-align: left;
        align-items: center;
        background-color: var(--color-bg-white);
        border: 1px solid var(--color-border);
        border-radius: 12px;
        padding: 12px 16px;
    }
    
    .step-num {
        margin-bottom: 0;
        margin-right: 12px;
    }
    
    .step-icon {
        margin-bottom: 0;
        margin-right: 16px;
        width: 40px;
        height: 40px;
    }
    
    .step-name {
        font-size: 1rem;
    }
    
    /* Responsive Timeline */
    .timeline-track {
        left: 20px;
    }
    
    .milestone-card {
        display: block; /* Reset grid trên mobile */
        width: 100%;
        padding-right: 0;
        padding-left: 40px;
        margin-bottom: 30px;
        position: relative;
    }
    
    .milestone-card:nth-child(even) {
        margin-left: 0;
        padding-left: 40px;
    }
    
    .milestone-dot {
        position: absolute;
        left: 11px;
        right: auto;
        top: 24px;
    }
    
    .milestone-card:nth-child(even) .milestone-dot {
        position: absolute;
        left: 11px;
        right: auto;
        top: 24px;
    }
    
    .milestone-year {
        display: block;
        font-size: 1.25rem;
        margin-bottom: 8px;
        color: var(--color-accent);
    }
    
    .milestone-card:nth-child(odd) .milestone-year,
    .milestone-card:nth-child(even) .milestone-year {
        margin-left: 0 !important;
        margin-right: 0 !important;
        text-align: left;
    }
    
    .milestone-card:nth-child(odd) .milestone-content,
    .milestone-card:nth-child(even) .milestone-content {
        text-align: left;
    }
    
    /* Responsive Hub & Spoke: Convert to a Grid list on Mobile for better legibility */
    .hub-spoke-wrapper {
        width: 100%;
        height: auto;
        margin: 20px 0;
    }
    
    .hub-spoke-svg-container {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    
    .hub-spoke-lines, .hub-node {
        display: none; /* Hide circular view */
    }
    
    .spoke-node {
        position: static !important; /* Reset absolute positions */
        transform: none !important;
        width: 100%;
        flex-direction: row;
        gap: 16px;
        background-color: var(--color-bg-white);
        border: 1px solid var(--color-border);
        border-radius: 12px;
        padding: 12px 20px;
    }
    
    .node-icon {
        margin-bottom: 0;
        width: 36px;
        height: 36px;
    }
    
    .node-label {
        font-size: 0.95rem;
        background-color: transparent;
        padding: 0;
        box-shadow: none;
    }
    
    /* Responsive flowchart */
    .flowchart-vertical {
        padding-left: 45px;
    }
    
    .flowchart-line {
        left: 17px;
    }
    
    .flowchart-icon {
        left: -38px;
        width: 30px;
        height: 30px;
        font-size: 0.9rem;
    }
    
    /* Responsive Roadmap: Convert to Grid list */
    .roadmap-wrapper {
        height: auto;
    }
    
    .roadmap-svg {
        display: none;
    }
    
    .roadmap-wrapper {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    
    .roadmap-node {
        position: static !important;
        transform: none !important;
        width: 100%;
        flex-direction: row;
        gap: 16px;
        background-color: var(--color-bg-white);
        border: 1px solid var(--color-border);
        border-radius: 12px;
        padding: 12px 20px;
        align-items: center;
    }
    
    .node-ico {
        margin-bottom: 0;
        width: 36px;
        height: 36px;
    }
    
    .node-lbl {
        font-size: 0.9rem;
        background-color: transparent;
        padding: 0;
        box-shadow: none;
        text-align: left;
    }
    
    /* Goals and Before-After responsive */
    .dashboard-goals-grid {
        grid-template-columns: 1fr;
    }
    
    .progress-list-card {
        grid-column: span 1;
    }
    
    .before-after-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .ba-separator {
        height: 60px;
        transform: rotate(90deg);
    }
    
    .divider-quote {
        height: 50vh;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
    }
    
    .footer-tagline {
        text-align: center;
    }
}