/* ==========================================================================
   eMagazine Premium Design System
   Bloomberg × National Geographic × VnExpress Premium Style
   Palette: Leaf Green, Turmeric Yellow/Gold, Earthy Brown, Pure White & Cream
   ========================================================================== */

:root {
    /* Primary Colors */
    --color-green-primary: #15803D;
    --color-green-dark: #14532D;
    --color-green-light: #22C55E;
    --color-green-bg: #F0FDF4;

    /* Turmeric Yellow / Gold */
    --color-turmeric: #D97706;
    --color-turmeric-bright: #F59E0B;
    --color-turmeric-dark: #B45309;
    --color-turmeric-bg: #FFFBEB;
    --color-turmeric-glow: rgba(245, 158, 11, 0.25);

    /* Earthy Brown */
    --color-brown-primary: #78350F;
    --color-brown-dark: #451A03;
    --color-brown-light: #92400E;
    --color-brown-bg: #FEF3C7;

    /* Neutrals & Bloomberg Light */
    --color-dark: #111827;
    --color-slate: #374151;
    --color-muted: #6B7280;
    --color-border: #E5E7EB;
    --color-bg-light: #FAF9F6;
    --color-white: #FFFFFF;

    /* Typography */
    --font-heading: 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-body: 'Inter', 'Be Vietnam Pro', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-editorial: 'Newsreader', Georgia, serif;

    /* Shadows & Transitions */
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.12);
    --shadow-gold: 0 12px 35px rgba(217, 119, 6, 0.2);
    --shadow-green: 0 12px 35px rgba(21, 128, 61, 0.2);
    --transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

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

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

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

/* Container limits */
.container {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

.container-narrow {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Reading Progress Bar */
.progress-bar {
    position: fixed;
    top: 0;
    left: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--color-turmeric), var(--color-turmeric-bright), var(--color-green-primary));
    width: 0%;
    z-index: 1000;
    transition: width 0.1s ease;
}

/* Header Badge (No Nav, No TOC) */
.emagazine-badge-header {
    position: fixed;
    top: 20px;
    left: 24px;
    z-index: 999;
}

.brand-pill {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(17, 24, 39, 0.85);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.15);
    padding: 8px 18px;
    border-radius: 40px;
    color: var(--color-white);
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
}

.brand-accent {
    color: var(--color-turmeric-bright);
}

.brand-sep {
    color: rgba(255, 255, 255, 0.3);
}

.brand-title {
    color: #E5E7EB;
}

/* ==========================================================================
   HERO SECTION
   ========================================================================== */

.hero-section {
    position: relative;
    width: 100vw;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 100px 24px 80px;
}

.hero-bg-container {
    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;
    transform: scale(1.05);
    animation: heroZoom 20s infinite alternate cubic-bezier(0.25, 1, 0.5, 1);
}

@keyframes heroZoom {
    0% {
        transform: scale(1);
    }

    100% {
        transform: scale(1.08);
    }
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(180deg,
            rgba(17, 24, 39, 0.6) 0%,
            rgba(27, 43, 29, 0.75) 50%,
            rgba(17, 24, 39, 0.95) 100%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    text-align: center;
    color: var(--color-white);
    margin-top: 40px;
}

.hero-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(245, 158, 11, 0.2);
    border: 1px solid rgba(245, 158, 11, 0.5);
    color: #FCD34D;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    padding: 8px 20px;
    border-radius: 30px;
    margin-bottom: 24px;
    backdrop-filter: blur(8px);
}

.badge-dot {
    width: 8px;
    height: 8px;
    background-color: var(--color-turmeric-bright);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--color-turmeric-bright);
}

.hero-title {
    font-family: var(--font-heading);
    font-weight: 900;
    line-height: 1.4;
    margin-bottom: 24px;
    text-transform: uppercase;
    letter-spacing: -0.01em;
}

.hero-title .line {
    display: block;
}

.hero-title .line-1 {
    font-size: clamp(2rem, 4vw, 3.2rem);
    color: #F3F4F6;
    font-weight: 800;
}

.hero-title .line-2 {
    font-size: clamp(2.2rem, 4.5vw, 3.6rem);
    color: #FFFFFF;
    font-weight: 800;
}

.hero-title .line-3 {
    font-size: clamp(2.5rem, 5vw, 4.2rem);
    color: #FBBF24;
    font-weight: 900;
}

.highlight-htx {
    background: linear-gradient(120deg, #F59E0B, #D97706);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 0 40px rgba(245, 158, 11, 0.4);
    position: relative;
}

.hero-subtitle {
    font-size: clamp(1.25rem, 2.2vw, 1.6rem);
    font-weight: 400;
    color: #E5E7EB;
    max-width: 800px;
    margin: 0 auto 36px;
    line-height: 1.5;
}

.hero-meta {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 12px;
    font-size: 1rem;
    color: #9CA3AF;
    margin-bottom: 50px;
}

.hero-meta .meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
}

.scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    opacity: 0.8;
}

.scroll-text {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
    color: var(--color-turmeric-bright);
    font-weight: 700;
}

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

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

@keyframes scrollWheel {
    0% {
        opacity: 1;
        transform: translate(-50%, 0);
    }

    100% {
        opacity: 0;
        transform: translate(-50%, 14px);
    }
}

/* ==========================================================================
   INTRO & LEAD SECTION
   ========================================================================== */

.intro-section {
    padding: 90px 0 60px;
    background: linear-gradient(180deg, #111827 0%, var(--color-bg-light) 100%);
    position: relative;
}

.lead-quote-box {
    background: var(--color-white);
    border-radius: 24px;
    padding: 50px 56px;
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
    border-left: 6px solid var(--color-turmeric);
    position: relative;
    margin-top: -60px;
    z-index: 10;
}

.quote-mark {
    position: absolute;
    top: 10px;
    right: 30px;
    font-family: var(--font-editorial);
    font-size: 8rem;
    color: rgba(217, 119, 6, 0.1);
    line-height: 1;
}

.lead-text {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 600;
    line-height: 1.75;
    color: var(--color-green-dark);
    margin-bottom: 20px;
}

.lead-subtext {
    font-size: 1.25rem;
    line-height: 1.8;
    color: var(--color-slate);
}

/* ==========================================================================
   SECTIONS GENERAL & MAGAZINE LAYOUT
   ========================================================================== */

.section-part {
    padding: 90px 0;
    position: relative;
}

.section-header {
    margin-bottom: 60px;
    text-align: center;
    position: relative;
}

.section-number {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 900;
    color: rgba(217, 119, 6, 0.15);
    display: block;
    line-height: 1;
    margin-bottom: -20px;
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 3.5vw, 3rem);
    font-weight: 800;
    color: var(--color-dark);
    position: relative;
    display: inline-block;
}

.section-divider {
    width: 80px;
    height: 4px;
    background: linear-gradient(90deg, var(--color-turmeric), var(--color-green-primary));
    margin: 18px auto 0;
    border-radius: 2px;
}

/* Magazine Grid Layout: Image Left, Content Right */
.grid-magazine {
    display: grid;
    grid-template-columns: 45% 50%;
    gap: 5%;
    align-items: stretch;
}

.magazine-left {
    position: relative;
    height: 100%;
}

.sticky-image-wrapper {
    position: sticky;
    top: 80px;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.sub-heading-block {
    margin: 44px 0 24px;
    padding-top: 24px;
    border-top: 2px dashed rgba(217, 119, 6, 0.25);
}

.sub-section-title {
    font-family: var(--font-heading);
    font-size: 1.65rem;
    font-weight: 800;
    color: var(--color-turmeric-dark);
    line-height: 1.35;
    position: relative;
}

.editorial-image {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.editorial-image img {
    width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.editorial-image:hover img {
    transform: scale(1.03);
}

.image-caption {
    padding: 18px;
    background: #FFFFFF;
    border-bottom-left-radius: 20px;
    border-bottom-right-radius: 20px;
    font-size: 0.95rem;
    color: var(--color-muted);
    border-top: 1px solid var(--color-border);
}

.caption-tag {
    display: block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 800;
    color: var(--color-turmeric);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 6px;
}

.stat-highlight-card {
    margin-top: 24px;
    background: linear-gradient(135deg, var(--color-green-dark), var(--color-green-primary));
    color: var(--color-white);
    padding: 24px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    gap: 20px;
    box-shadow: var(--shadow-green);
}

.stat-icon {
    font-size: 2.2rem;
    background: rgba(255, 255, 255, 0.15);
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 14px;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 900;
    color: #FCD34D;
    line-height: 1.1;
}

.stat-label {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* Content Body & Paragraphs - Retaining 100% Text */
.content-body {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.paragraph {
    font-size: 1.3rem;
    /* 20px-21px */
    line-height: 1.85;
    color: #2D3748;
    font-weight: 400;
}

.dropcap::first-letter {
    font-family: var(--font-heading);
    font-size: 4rem;
    font-weight: 900;
    float: left;
    line-height: 0.8;
    padding-top: 4px;
    padding-right: 12px;
    color: var(--color-turmeric-dark);
}

.inline-photo-block {
    margin: 20px 0;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    background: #FFF;
}

.inline-photo-block img {
    width: 100%;
    height: 320px;
    object-fit: cover;
}

.inline-caption {
    display: block;
    padding: 12px 16px;
    font-size: 0.9rem;
    color: var(--color-muted);
    background: #F9FAFB;
    border-top: 1px solid var(--color-border);
}

.pull-quote {
    margin: 30px 0;
    padding: 28px;
    background: var(--color-turmeric-bg);
    border-left: 5px solid var(--color-turmeric-bright);
    border-radius: 12px;
}

.quote-text {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 700;
    line-height: 1.6;
    color: var(--color-brown-dark);
}

/* Callout Box */
.callout-box {
    margin: 24px 0;
    padding: 28px;
    background: var(--color-green-bg);
    border: 1px solid rgba(21, 128, 61, 0.2);
    border-radius: 16px;
    display: flex;
    gap: 20px;
}

.callout-icon {
    width: 36px;
    height: 36px;
    color: var(--color-green-primary);
    flex-shrink: 0;
}

.callout-content h4 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    color: var(--color-green-dark);
    margin-bottom: 8px;
}

.callout-content p {
    font-size: 1.15rem;
    color: #1F2937;
    line-height: 1.7;
}

/* Bloomberg Light Style for Part 2 */
.bloomberg-style {
    background-color: #FFFFFF;
}

.shadow-bloomberg {
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.06);
    border: 1px solid var(--color-border);
}

.ip-highlight-box {
    margin-top: 24px;
    background: #1E293B;
    color: #FFF;
    padding: 20px 24px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.ip-icon {
    font-size: 2rem;
    color: #38BDF8;
}

.ip-text strong {
    display: block;
    font-size: 1.1rem;
    letter-spacing: 0.05em;
    color: #38BDF8;
}

.ip-text span {
    font-size: 0.95rem;
    color: #94A3B8;
}

/* Award Box for Part 3 */
.award-badge-box {
    margin-top: 24px;
    background: linear-gradient(135deg, #78350F, #B45309);
    color: #FFF;
    padding: 24px;
    border-radius: 18px;
    display: flex;
    align-items: center;
    gap: 18px;
    box-shadow: var(--shadow-gold);
}

.award-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #FCD34D;
}

.award-text strong {
    display: block;
    font-size: 1.1rem;
    color: #FCD34D;
    margin-bottom: 4px;
}

.award-text span {
    font-size: 0.95rem;
    opacity: 0.9;
}

/* ==========================================================================
   INFOGRAPHICS DESIGN SYSTEM
   CRITICAL REQUIREMENT: Infographic text MUST BE 18px or larger!
   ========================================================================== */

.infographic-container {
    margin-top: 70px;
}

.infographic-card {
    background: var(--color-bg-light);
    border-radius: 28px;
    padding: 48px;
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
}

.infographic-card.white-card {
    background: #FFFFFF;
    box-shadow: var(--shadow-lg);
}

.info-header {
    text-align: center;
    margin-bottom: 48px;
}

.info-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 1rem;
    /* >= 18px in relative context */
    font-weight: 800;
    color: var(--color-turmeric-dark);
    background: var(--color-turmeric-bg);
    border: 1px solid rgba(217, 119, 6, 0.3);
    padding: 6px 18px;
    border-radius: 20px;
    margin-bottom: 12px;
    letter-spacing: 0.08em;
}

.info-title {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--color-dark);
    margin-bottom: 10px;
}

.info-subtitle {
    font-size: 1.25rem;
    /* >= 20px */
    color: var(--color-muted);
}

/* INFOGRAPHIC 1.1: TIMELINE KHỞI NGHIỆP */
.timeline-infographic {
    position: relative;
    padding: 30px 0;
}

.timeline-track-svg {
    position: absolute;
    top: 40px;
    left: 0;
    width: 100%;
    height: 100px;
    z-index: 1;
    opacity: 0.7;
    pointer-events: none;
}

.timeline-nodes-grid {
    position: relative;
    z-index: 2;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: nowrap;
}

.timeline-node {
    background: #FFFFFF;
    border: 2px solid var(--color-border);
    border-radius: 20px;
    padding: 24px 18px;
    flex: 1;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    min-width: 150px;
}

.timeline-node:hover {
    transform: translateY(-8px);
    border-color: var(--color-turmeric);
    box-shadow: var(--shadow-gold);
}

.node-icon-box {
    width: 56px;
    height: 56px;
    background: var(--color-turmeric-bg);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--color-turmeric-dark);
}

.node-year {
    font-family: var(--font-heading);
    font-size: 1.4rem;
    /* > 18px */
    font-weight: 900;
    color: var(--color-dark);
    margin-bottom: 8px;
}

.node-desc {
    font-size: 1.15rem;
    /* 18px+ */
    font-weight: 600;
    color: var(--color-slate);
    line-height: 1.4;
}

.node-warning {
    border-color: #EF4444;
    background: #FEF2F2;
}

.node-warning .node-icon-box {
    background: #FEE2E2;
    color: #DC2626;
}

.node-pivot {
    border-color: var(--color-turmeric-bright);
    background: #FFFBEB;
}

.node-pivot .node-icon-box {
    background: var(--color-turmeric-bright);
    color: #FFF;
}

.node-success {
    border-color: var(--color-green-primary);
    background: var(--color-green-bg);
}

.node-success .node-icon-box {
    background: var(--color-green-primary);
    color: #FFF;
}

.timeline-arrow {
    color: var(--color-muted);
    display: flex;
    align-items: center;
}

/* INFOGRAPHIC 1.2: BEFORE - AFTER */
.before-after-wrapper {
    display: grid;
    grid-template-columns: 1fr 140px 1fr;
    gap: 20px;
    align-items: center;
}

.ba-col {
    background: #FFF;
    border-radius: 24px;
    padding: 32px;
    border: 2px solid var(--color-border);
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.ba-before {
    background: #FAF5F5;
    border-color: #FCA5A5;
}

.ba-after {
    background: #F0FDF4;
    border-color: #86EFAC;
}

.ba-badge {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 1.15rem;
    /* 18px+ */
    font-weight: 800;
    padding: 8px 16px;
    border-radius: 12px;
    text-align: center;
}

.badge-before {
    background: #FEE2E2;
    color: #991B1B;
}

.badge-after {
    background: #DCFCE7;
    color: #166534;
}

.ba-content {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.ba-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #FFFFFF;
    padding: 16px 20px;
    border-radius: 16px;
    box-shadow: var(--shadow-sm);
}

.ba-item.highlight {
    background: #DCFCE7;
    border: 1px solid #4ADE80;
}

.ba-icon {
    font-size: 1.8rem;
    color: var(--color-green-primary);
    flex-shrink: 0;
}

.ba-before .ba-icon {
    color: #DC2626;
}

.ba-text {
    font-size: 1.2rem;
    /* >18px */
    font-weight: 700;
    color: var(--color-dark);
}

.ba-status {
    font-size: 1.15rem;
    font-weight: 700;
    text-align: center;
    color: #991B1B;
    background: rgba(254, 226, 226, 0.6);
    padding: 12px;
    border-radius: 12px;
}

.revenue-banner {
    background: linear-gradient(135deg, var(--color-green-dark), var(--color-green-primary));
    color: #FFF;
    padding: 20px;
    border-radius: 16px;
    text-align: center;
    box-shadow: var(--shadow-green);
}

.revenue-label {
    font-size: 1rem;
    /* 18px approx */
    font-weight: 700;
    letter-spacing: 0.08em;
    color: #A7F3D0;
}

.revenue-val {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    /* 25px+ */
    font-weight: 900;
    color: #FCD34D;
    margin-top: 4px;
}

.ba-conversion-hub {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    position: relative;
}

.conversion-arrow-btn {
    background: var(--color-turmeric);
    color: #FFF;
    padding: 18px;
    border-radius: 50px;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    box-shadow: var(--shadow-gold);
    font-family: var(--font-heading);
    font-size: 1.1rem;
    /* >= 18px */
    font-weight: 800;
    text-align: center;
    width: 100%;
}

/* INFOGRAPHIC 2.1: HỆ SINH THÁI TÀI SẢN TRÍ TUỆ */
.central-ecosystem-wrapper {
    position: relative;
    min-height: 520px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 20px;
}

.ecosystem-center {
    position: absolute;
    z-index: 10;
}

.center-circle {
    width: 140px;
    height: 140px;
    background: linear-gradient(135deg, var(--color-turmeric-dark), var(--color-turmeric-bright));
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #FFF;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    /* 28px */
    font-weight: 900;
    box-shadow: 0 0 40px rgba(245, 158, 11, 0.5);
    border: 4px solid #FFF;
}

.center-circle svg {
    width: 44px;
    height: 44px;
}

.satellite-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    width: 100%;
    position: relative;
    z-index: 5;
}

.sat-node {
    background: #FFFFFF;
    border: 2px solid var(--color-border);
    border-radius: 20px;
    padding: 24px 18px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 12px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    text-align: center;
}

.sat-node:hover {
    transform: scale(1.06);
    border-color: var(--color-green-primary);
    box-shadow: var(--shadow-green);
}

.sat-icon {
    width: 52px;
    height: 52px;
    background: var(--color-green-bg);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-green-primary);
}

.sat-label {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    /* > 18px */
    font-weight: 800;
    color: var(--color-dark);
}

/* INFOGRAPHIC 2.2: CHUỖI GIÁ TRỊ TĂNG DẦN */
.step-ladder-wrapper {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 14px;
    min-height: 380px;
    padding-top: 40px;
}

.ladder-step {
    flex: 1;
    background: #FFFFFF;
    border: 2px solid var(--color-border);
    border-radius: 20px 20px 12px 12px;
    padding: 20px 14px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    position: relative;
}

.step-1 {
    height: 160px;
    background: #FFFBEB;
    border-color: #FCD34D;
}

.step-2 {
    height: 190px;
    background: #FEF3C7;
    border-color: #F59E0B;
}

.step-3 {
    height: 220px;
    background: #FDE68A;
    border-color: #D97706;
}

.step-4 {
    height: 250px;
    background: #ECFDF5;
    border-color: #A7F3D0;
}

.step-5 {
    height: 280px;
    background: #D1FAE5;
    border-color: #6EE7B7;
}

.step-6 {
    height: 310px;
    background: #A7F3D0;
    border-color: #34D399;
}

.step-7 {
    height: 350px;
    background: linear-gradient(180deg, var(--color-green-primary), var(--color-green-dark));
    color: #FFF;
    border: none;
    box-shadow: var(--shadow-green);
}

.step-num {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 900;
    opacity: 0.6;
    margin-bottom: 6px;
}

.step-icon {
    font-size: 1.8rem;
    margin-bottom: 10px;
}

.step-top .step-title {
    color: #FCD34D;
    font-weight: 900;
}

.step-title {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    /* >= 18px */
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1.3;
}

/* INFOGRAPHIC 3.1: 5 TRỤ CỘT STAR */
.star-pillars-wrapper {
    position: relative;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 40px;
}

.star-center-core {
    background: linear-gradient(135deg, var(--color-brown-dark), var(--color-brown-primary));
    color: #FFF;
    padding: 24px 48px;
    border-radius: 40px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-gold);
}

.core-icon svg {
    width: 36px;
    height: 36px;
    color: #FCD34D;
}

.core-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    /* 25px+ */
    font-weight: 900;
    letter-spacing: 0.05em;
}

.pillars-container {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 18px;
    width: 100%;
}

.pillar-card {
    background: #FFFFFF;
    border: 2px solid var(--color-border);
    border-radius: 20px;
    padding: 28px 16px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 14px;
    box-shadow: var(--shadow-md);
    position: relative;
    transition: var(--transition);
}

.pillar-card:hover {
    transform: translateY(-8px);
    border-color: var(--color-turmeric);
}

.pillar-check {
    position: absolute;
    top: 12px;
    right: 12px;
    background: #DCFCE7;
    color: #166534;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
}

.pillar-icon {
    width: 60px;
    height: 60px;
    background: var(--color-turmeric-bg);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-turmeric-dark);
}

.pillar-text {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    /* > 18px */
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1.35;
}

/* INFOGRAPHIC 3.2: FLOWCHART */
.flowchart-wrapper {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    overflow-x: auto;
    padding: 20px 0;
}

.flow-step {
    background: #FFFFFF;
    border: 2px solid var(--color-border);
    border-radius: 18px;
    padding: 20px 16px;
    min-width: 140px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 12px;
    box-shadow: var(--shadow-sm);
}

.flow-icon-wrap {
    width: 48px;
    height: 48px;
    background: var(--color-green-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-green-primary);
}

.flow-label {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    /* >= 18px */
    font-weight: 800;
    color: var(--color-dark);
    line-height: 1.3;
}

.flow-arrow {
    color: var(--color-turmeric);
    flex-shrink: 0;
}

.flow-end-globe {
    background: linear-gradient(135deg, var(--color-green-dark), var(--color-green-primary));
    color: #FFF;
    border: none;
    position: relative;
    box-shadow: var(--shadow-green);
}

.flow-end-globe .end-label {
    color: #FCD34D;
}

.globe-icon {
    background: rgba(255, 255, 255, 0.2);
    color: #FFF;
}

/* ==========================================================================
   OUTRO / KẾT THÚC
   ========================================================================== */

.section-ending {
    position: relative;
    padding: 120px 0;
    background: linear-gradient(135deg, #14532D 0%, #15803D 50%, #B45309 100%);
    color: #FFF;
    overflow: hidden;
}

.ending-content-wrapper {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.ending-visual-banner {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0.15;
    z-index: 1;
}

.ending-img-bg {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.quote-card-final {
    position: relative;
    z-index: 5;
    background: rgba(17, 24, 39, 0.85);
    backdrop-filter: blur(16px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 32px;
    padding: 64px;
    max-width: 900px;
    text-align: center;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.4);
}

.quote-symbol {
    font-family: var(--font-editorial);
    font-size: 6rem;
    color: var(--color-turmeric-bright);
    line-height: 0.5;
    margin-bottom: 24px;
}

.final-quote-text {
    font-family: var(--font-heading);
    font-size: clamp(1.4rem, 2.5vw, 1.9rem);
    font-weight: 700;
    line-height: 1.6;
    color: #FFFFFF;
    margin-bottom: 40px;
}

.author-credits {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    padding-top: 24px;
}

.author-avatar-badge {
    width: 50px;
    height: 50px;
    background: linear-gradient(135deg, var(--color-turmeric), var(--color-turmeric-bright));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 900;
    color: #FFF;
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.25);
}

.author-info {
    text-align: left;
}

.author-role {
    display: block;
    font-size: 0.85rem;
    color: #9CA3AF;
    text-transform: uppercase;
    letter-spacing: 0.08em;
}

.author-name {
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 800;
    color: #FCD34D;
}

/* FOOTER */
.site-footer {
    background: #0B0F17;
    color: #6B7280;
    padding: 40px 0;
    border-top: 1px solid #1F2937;
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer-logo {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 800;
    color: #F3F4F6;
}

/* ==========================================================================
   ANIMATIONS & RESPONSIVE
   ========================================================================== */

/* ==========================================================================
   ANIMATIONS & RESPONSIVE ENHANCEMENTS
   ========================================================================== */

.fade-in-element {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* Tablet Breakpoint (<= 1024px) */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }

    .grid-magazine {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .magazine-left {
        height: auto;
    }

    .sticky-image-wrapper {
        position: relative;
        top: 0;
    }

    .timeline-nodes-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }

    .timeline-arrow {
        display: none;
    }

    .before-after-wrapper {
        grid-template-columns: 1fr;
        gap: 24px;
    }

    .central-ecosystem-wrapper {
        flex-direction: column;
        min-height: auto;
        gap: 24px;
    }

    .ecosystem-center {
        position: relative;
        margin-bottom: 12px;
    }

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

    .step-ladder-wrapper {
        flex-direction: column;
        align-items: stretch;
        min-height: auto;
        gap: 12px;
        padding-top: 0;
    }

    .ladder-step {
        height: auto !important;
        flex-direction: row;
        align-items: center;
        gap: 16px;
        text-align: left;
        padding: 16px 20px;
        border-radius: 16px;
    }

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

    .flowchart-wrapper {
        flex-direction: column;
        align-items: stretch;
    }

    .flow-arrow {
        transform: rotate(90deg);
        margin: 8px 0;
    }
}

/* Mobile Medium Breakpoint (<= 768px) */
@media (max-width: 768px) {
    .hero-section {
        padding: 90px 16px 50px;
    }

    .hero-title .line-1 { font-size: 1.6rem; }
    .hero-title .line-2 { font-size: 1.8rem; }
    .hero-title .line-3 { font-size: 2.1rem; }

    .lead-quote-box {
        padding: 32px 24px;
        margin-top: -40px;
        border-radius: 20px;
    }

    .lead-text {
        font-size: 1.25rem;
    }

    .lead-subtext {
        font-size: 1.1rem;
    }

    .section-part {
        padding: 60px 0;
    }

    .section-number {
        font-size: 3rem;
    }

    .section-title {
        font-size: 1.8rem;
    }

    .infographic-card {
        padding: 28px 18px;
        border-radius: 20px;
    }

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

    .timeline-nodes-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pillars-container {
        grid-template-columns: 1fr;
    }

    .star-center-core {
        padding: 18px 24px;
        border-radius: 30px;
    }

    .core-title {
        font-size: 1.3rem;
    }

    .footer-content {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

/* Small Mobile Phones (<= 480px) */
@media (max-width: 480px) {
    .container {
        padding: 0 12px;
    }

    .paragraph {
        font-size: 1.15rem; /* >= 18px */
        line-height: 1.75;
    }

    .timeline-nodes-grid {
        grid-template-columns: 1fr;
    }

    .satellite-grid {
        grid-template-columns: 1fr;
    }

    .ba-col {
        padding: 20px 16px;
    }

    .ba-item {
        padding: 12px 14px;
    }

    .ba-text {
        font-size: 1.1rem;
    }

    .quote-card-final {
        padding: 32px 16px;
        border-radius: 20px;
    }

    .final-quote-text {
        font-size: 1.25rem;
    }

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