@import url('https://fonts.googleapis.com/css2?family=Montserrat:wght@300;400;500;600;700;800;900&family=Encode+Sans:wght@300;400;500;600;700;800;900&family=Inter:wght@300;400;500;600&display=swap');

:root {
    --primary-green: #2E7D32;
    --tech-blue: #0077B6;
    --gold-accent: #E6B800;
    --white: #ffffff;
    --bg-dark: #070B19;
    --bg-light: #F8FAFC;
    --text-dark: #0F172A;
    --text-muted: #64748B;
    --glass-bg: rgba(255, 255, 255, 0.06);
    --glass-border: rgba(255, 255, 255, 0.12);
    --glass-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.3);
    --card-shadow: 0 20px 40px -15px rgba(0, 0, 0, 0.05);
    --transition: all 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-family: 'Inter', sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    overflow-x: hidden;
}

body {
    overflow-x: hidden;
}

/* Typography with Montserrat for Headings (Perfect Vietnamese Accent support) */
h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Montserrat', sans-serif;
    font-weight: 700;
    line-height: 1.25;
}

p {
    font-size: 1.125rem;
    line-height: 1.9;
    font-weight: 400;
    color: #334155;
    margin-bottom: 1.8rem;
}

/* Layout Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section-spacing {
    padding: 8rem 0;
}

/* Article Container (Hẹp, Nhịp đọc sang trọng) */
.article-body-container {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 2rem;
}

.paragraph-lead {
    font-size: 1.3rem;
    line-height: 1.8;
    color: var(--text-dark);
    font-weight: 500;
    margin-bottom: 2rem;
    border-left: 4px solid var(--primary-green);
    padding-left: 1.5rem;
}

/* Scroll Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 1s cubic-bezier(0.16, 1, 0.3, 1), transform 1s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* HERO SECTION */
.hero {
    position: relative;
    width: 100vw;
    height: 130vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--bg-dark);
    color: var(--white);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/images/hero_bg.png');
    background-size: cover;
    background-position: center;
    opacity: 0.35;
    z-index: 1;
}

.hero::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(7, 11, 25, 0.7) 0%, rgba(7, 11, 25, 0.9) 100%);
    z-index: 2;
}

.hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
    max-width: 1300px;
    padding: 0 3rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

/* Title Effect: Xếp lớp, gradient */
.hero-title-wrapper {
    position: relative;
    margin-bottom: 2.5rem;
}

.hero-title-layer {
    font-size: 5rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1.35;
    font-family: 'Montserrat', sans-serif;
    padding-top: 0.2em;
    padding-bottom: 0.1em;
    display: block;
}

.hero-title-layer.shadow-text {
    position: absolute;
    top: 0;
    left: 0;
    transform: translate(4px, 2px);
    color: rgba(255, 255, 255, 0.05);
    z-index: -1;
    user-select: none;
    pointer-events: none;
    width: 100%;
}

.hero-title-layer.main-text {
    background: linear-gradient(135deg, #66BB6A 0%, #00B4D8 50%, #2E7D32 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-shadow: 0 15px 30px rgba(0, 0, 0, 0.2);
}

.hero-title-sub {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--white);
    margin-top: 1.2rem;
    letter-spacing: -0.01em;
    font-family: 'Montserrat', sans-serif;
}

.hero-subtitle-box {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    padding: 1.2rem 2.5rem;
    border-radius: 12px;
    max-width: 800px;
    margin-bottom: 3.5rem;
    box-shadow: var(--glass-shadow);
}

.hero-subtitle-box p {
    font-size: 1.2rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 0;
    font-weight: 300;
}

.hero-scroll-indicator {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.6);
    transition: var(--transition);
}

.hero-scroll-indicator:hover {
    color: var(--white);
}

.hero-scroll-indicator span {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-family: 'Montserrat', sans-serif;
    font-weight: 600;
}

.hero-scroll-indicator i {
    font-size: 1.2rem;
    animation: bounce 2s infinite;
}

@keyframes bounce {

    0%,
    20%,
    50%,
    80%,
    100% {
        transform: translateY(0);
    }

    40% {
        transform: translateY(-8px);
    }

    60% {
        transform: translateY(-4px);
    }
}

/* INTRO SAPO & MINI INFOGRAPHIC */
.intro-section {
    background-color: var(--white);
    position: relative;
    z-index: 10;
}

.intro-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr;
    gap: 5rem;
    align-items: center;
}

.sapo-text {
    font-size: 1.5rem;
    line-height: 1.8;
    color: var(--text-dark);
    font-weight: 500;
    border-left: 5px solid var(--primary-green);
    padding-left: 2rem;
}

.mini-info-card {
    background: linear-gradient(145deg, #ffffff, #f1f5f9);
    border: 1px solid #e2e8f0;
    border-radius: 20px;
    padding: 2.5rem;
    box-shadow: var(--card-shadow);
    position: relative;
    overflow: hidden;
}

.mini-info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(to right, var(--primary-green), var(--tech-blue));
}

.mini-info-title {
    font-size: 1.4rem;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    border-bottom: 1px solid #e2e8f0;
    padding-bottom: 0.8rem;
}

.mini-info-title i {
    color: var(--primary-green);
}

.mini-info-value {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--primary-green);
    line-height: 1;
    margin-bottom: 0.5rem;
    display: flex;
    align-items: baseline;
    font-family: 'Montserrat', sans-serif;
}

.mini-info-value span {
    font-size: 1.4rem;
    font-weight: 500;
    color: var(--text-muted);
    margin-left: 0.3rem;
}

.mini-info-desc {
    font-size: 1rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
}

.mini-info-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    list-style: none;
}

.mini-info-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.95rem;
    color: #475569;
    font-weight: 500;
}

.mini-info-list li i {
    color: var(--tech-blue);
    font-size: 1rem;
}

/* SECTION HEADINGS (FUTURISTIC & COMPACTED) */
.section-header-wrap {
    position: relative;
    background-color: var(--bg-dark);
    color: var(--white);
    padding: 5rem 0;
    overflow: hidden;
}

.section-header-wrap::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: radial-gradient(rgba(0, 119, 182, 0.15) 1px, transparent 1px);
    background-size: 24px 24px;
    z-index: 1;
}

/* Số mờ chạy nền khổng lồ tạo chiều sâu */
.section-bg-num {
    position: absolute;
    font-size: 14rem;
    font-weight: 900;
    color: rgba(255, 255, 255, 0.025);
    bottom: -15%;
    right: 5%;
    user-select: none;
    pointer-events: none;
    font-family: 'Montserrat', sans-serif;
    line-height: 1;
    z-index: 1;
}

.section-header-wrap .decor-line {
    position: absolute;
    width: 100px;
    height: 2px;
    background: linear-gradient(to right, var(--primary-green), var(--tech-blue));
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.section-header-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

/* Đầu mục Phần 01, 02, 03: Thiết kế nhỏ gọn, đẹp mắt, nổi bật dạng Badge */
.section-num-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 119, 182, 0.12);
    border: 1px solid rgba(0, 119, 182, 0.3);
    color: var(--gold-accent);
    font-size: 0.85rem;
    font-weight: 800;
    padding: 0.4rem 1.4rem;
    border-radius: 30px;
    margin-bottom: 1.2rem;
    letter-spacing: 0.15em;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.15);
    font-family: 'Montserrat', sans-serif;
    text-transform: uppercase;
}

.section-title-large {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.01em;
    background: linear-gradient(135deg, var(--white) 30%, #94A3B8 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 0.4rem;
    font-family: 'Montserrat', sans-serif;
}

.section-subtitle-large {
    font-size: 1.65rem;
    font-weight: 600;
    color: #38BDF8;
    text-transform: uppercase;
    font-family: 'Montserrat', sans-serif;
}

/* FULL SCREEN IMAGE BANNER (Tràn màn hình) */
.full-screen-image-banner {
    position: relative;
    width: 100vw;
    left: 50%;
    right: 50%;
    margin-left: -50vw;
    margin-right: -50vw;
    height: 65vh;
    overflow: hidden;
    margin-top: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.full-screen-image-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    filter: brightness(0.85);
}

.image-banner-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 3rem 0;
    background: linear-gradient(to top, rgba(7, 11, 25, 0.8) 0%, rgba(7, 11, 25, 0.4) 60%, transparent 100%);
    z-index: 10;
}

.image-caption-box {
    background: rgba(15, 23, 42, 0.6);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    padding: 2rem 2.5rem;
    border-radius: 16px;
    max-width: 700px;
    box-shadow: var(--glass-shadow);
}

.image-caption-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 0.8rem;
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-family: 'Montserrat', sans-serif;
}

.image-caption-title i {
    color: #66BB6A;
}

.image-caption-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem 1.8rem;
    list-style: none;
}

.image-caption-list li {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.image-caption-list li i {
    color: var(--tech-blue);
}

/* DATA VISUALIZATION GRAPHICS (Nằm ngang) */
.graphics-section {
    background-color: #F1F5F9;
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
}

.graphics-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.graphic-card.full-width-card {
    background: var(--white);
    border-radius: 24px;
    padding: 4rem;
    box-shadow: var(--card-shadow);
    border: 1px solid rgba(226, 232, 240, 0.8);
    width: 100%;
}

.graphic-title-wrap {
    margin-bottom: 3rem;
    border-bottom: 1px solid #E2E8F0;
    padding-bottom: 1.2rem;
}

.graphic-title {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-family: 'Montserrat', sans-serif;
}

.graphic-title i {
    color: var(--tech-blue);
    font-size: 1.6rem;
}

.graphic-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-top: 0.3rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* HORIZONTAL FLOWCHART */
.flowchart-container.horizontal-flow {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    justify-content: space-between;
    gap: 0.6rem;
    width: 100%;
    position: relative;
}

.flowchart-node {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    text-align: center;
    gap: 1.2rem;
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    padding: 1.8rem 1rem;
    min-width: 120px;
    transition: var(--transition);
    position: relative;
}

.flowchart-node:hover {
    transform: translateY(-8px);
    border-color: var(--primary-green);
    box-shadow: 0 12px 30px rgba(46, 125, 50, 0.08);
}

.flowchart-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(46, 125, 50, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-green);
    font-size: 1.5rem;
    transition: var(--transition);
}

.flowchart-node:hover .flowchart-icon {
    background: var(--primary-green);
    color: var(--white);
}

.flowchart-node.tech-node .flowchart-icon {
    background: rgba(0, 119, 182, 0.08);
    color: var(--tech-blue);
}

.flowchart-node.tech-node:hover .flowchart-icon {
    background: var(--tech-blue);
    color: var(--white);
}

.flowchart-node.tech-node:hover {
    border-color: var(--tech-blue);
    box-shadow: 0 12px 30px rgba(0, 119, 182, 0.08);
}

.flowchart-node-title {
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-dark);
    line-height: 1.4;
}

.flowchart-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 1rem;
    animation: flowPulse 2s infinite;
    padding: 0 0.2rem;
}

@keyframes flowPulse {

    0%,
    100% {
        opacity: 0.4;
        transform: scale(1);
    }

    50% {
        opacity: 1;
        transform: scale(1.2);
    }
}

/* Split Node for Horizontal Flowchart */
.flowchart-node.split-node {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.8rem;
    padding: 1.2rem 1rem;
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    flex: 1.3;
}

.split-subnode {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-dark);
    text-align: left;
}

.split-subnode i {
    font-size: 1.1rem;
}

.split-subnode-divider {
    height: 1px;
    background-color: #E2E8F0;
    width: 100%;
}

/* HORIZONTAL DASHBOARD */
.dashboard-grid.horizontal-dashboard {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.dashboard-widget {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    padding: 2.5rem 2rem;
    text-align: center;
    transition: var(--transition);
}

.dashboard-widget:hover {
    transform: translateY(-8px);
    border-color: var(--tech-blue);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.04);
}

.dashboard-num {
    font-size: 3.2rem;
    font-weight: 800;
    color: var(--text-dark);
    margin-bottom: 0.5rem;
    font-family: 'Montserrat', sans-serif;
    background: linear-gradient(135deg, var(--text-dark) 40%, var(--tech-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dashboard-num.highlight {
    background: linear-gradient(135deg, var(--primary-green) 40%, var(--tech-blue) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.dashboard-label {
    font-size: 0.9rem;
    color: var(--text-muted);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.dashboard-tags {
    grid-column: span 4;
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 1rem;
    margin-top: 1.5rem;
}

.dashboard-tag {
    background: rgba(0, 119, 182, 0.06);
    border: 1px solid rgba(0, 119, 182, 0.15);
    padding: 0.6rem 1.4rem;
    border-radius: 30px;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--tech-blue);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* PREMIUM QUOTE BOX (GLASSMORPHISM) */
.quote-section {
    position: relative;
    padding: 8rem 0;
    background-color: var(--bg-dark);
    overflow: hidden;
}

.quote-section::before {
    content: '';
    position: absolute;
    top: -10%;
    left: -10%;
    width: 50%;
    height: 60%;
    background: radial-gradient(circle, rgba(46, 125, 50, 0.15) 0%, transparent 70%);
    z-index: 1;
}

.quote-section::after {
    content: '';
    position: absolute;
    bottom: -10%;
    right: -10%;
    width: 50%;
    height: 60%;
    background: radial-gradient(circle, rgba(0, 119, 182, 0.15) 0%, transparent 70%);
    z-index: 1;
}

.quote-container {
    position: relative;
    z-index: 2;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.quote-card {
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 32px;
    padding: 5rem;
    position: relative;
    box-shadow: var(--glass-shadow);
}

.quote-icon {
    position: absolute;
    top: 2rem;
    left: 3.5rem;
    font-size: 6rem;
    color: rgba(255, 255, 255, 0.05);
    font-family: 'Georgia', serif;
    line-height: 1;
    user-select: none;
}

.quote-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.1rem;
    line-height: 1.6;
    font-weight: 500;
    color: var(--white);
    margin-bottom: 2.5rem;
    position: relative;
    z-index: 2;
}

.quote-author-wrap {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.quote-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-green), var(--tech-blue));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.6rem;
    color: var(--white);
    font-weight: 700;
    font-family: 'Montserrat', sans-serif;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.quote-info {
    display: flex;
    flex-direction: column;
}

.quote-author {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--white);
}

.quote-role {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.6);
    margin-top: 0.2rem;
}

/* HORIZONTAL MINDMAP (TÀI SẢN TRÍ TUỆ) */
.mindmap-horizontal-container {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 4rem;
    position: relative;
    min-height: 380px;
    padding: 2rem 0;
}

.mindmap-left-hub {
    flex-shrink: 0;
    z-index: 10;
}

.mindmap-center {
    background: linear-gradient(135deg, var(--primary-green) 0%, var(--tech-blue) 100%);
    color: var(--white);
    font-weight: 700;
    font-size: 1.3rem;
    padding: 1.8rem 2.8rem;
    border-radius: 50px;
    box-shadow: 0 10px 30px rgba(0, 119, 182, 0.3);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-family: 'Montserrat', sans-serif;
    text-align: center;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.mindmap-right-nodes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    width: 100%;
    z-index: 10;
}

.mindmap-column {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 1.8rem;
}

.mindmap-node {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 14px;
    padding: 1rem 1.4rem;
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--text-dark);
    display: flex;
    align-items: center;
    gap: 0.6rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.02);
    transition: var(--transition);
}

.mindmap-node i {
    color: var(--primary-green);
    font-size: 1.1rem;
}

.mindmap-node:hover {
    transform: scale(1.06);
    border-color: var(--tech-blue);
    box-shadow: 0 10px 25px rgba(0, 119, 182, 0.06);
    background-color: var(--white);
}

/* SVG Background for mindmap connection lines */
.mindmap-svg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    pointer-events: none;
}

.mindmap-line {
    stroke: rgba(0, 119, 182, 0.15);
    stroke-width: 2;
    fill: none;
    stroke-dasharray: 4;
    animation: dash 35s linear infinite;
}

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

/* HORIZONTAL ECOSYSTEM GRID (HỆ SINH THÁI HTX) */
.ecosystem-container.horizontal-ecosystem {
    display: flex;
    flex-direction: row;
    align-items: stretch;
    justify-content: space-between;
    gap: 2rem;
    width: 100%;
}

.ecosystem-step {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
    position: relative;
}

.ecosystem-num-box {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: #E2E8F0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    color: var(--text-muted);
    font-size: 1.2rem;
    font-family: 'Montserrat', sans-serif;
    flex-shrink: 0;
    position: relative;
    z-index: 5;
    border: 2px solid var(--white);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

/* Horizontal line connector between steps */
.ecosystem-step:not(:last-child) .ecosystem-num-box::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50px;
    transform: translateY(-50%);
    width: calc(100% - 20px);
    height: 2px;
    background: #E2E8F0;
    z-index: -1;
}

.ecosystem-box {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    padding: 2rem 1.5rem;
    border-radius: 20px;
    width: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    gap: 1rem;
    min-height: 180px;
    transition: var(--transition);
}

.ecosystem-box:hover {
    border-color: var(--primary-green);
    transform: translateY(-8px);
    box-shadow: 0 15px 30px rgba(46, 125, 50, 0.05);
}

.ecosystem-info {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.ecosystem-icon {
    font-size: 2rem;
    color: var(--primary-green);
}

.ecosystem-name {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text-dark);
}

.ecosystem-detail {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.ecosystem-step.highlight .ecosystem-num-box {
    background: linear-gradient(135deg, var(--tech-blue) 0%, var(--primary-green) 100%);
    color: var(--white);
}

.ecosystem-step.highlight .ecosystem-box {
    background: linear-gradient(to bottom, rgba(0, 119, 182, 0.02) 0%, rgba(46, 125, 50, 0.02) 100%);
    border-color: rgba(0, 119, 182, 0.2);
}

.ecosystem-step.highlight .ecosystem-icon {
    color: var(--tech-blue);
}

.ecosystem-step.highlight .ecosystem-name {
    color: var(--tech-blue);
}

/* OUTRO SECTION */
.outro {
    position: relative;
    background-color: var(--bg-dark);
    color: var(--white);
    padding: 10rem 0;
    overflow: hidden;
}

.outro::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: url('assets/images/footer_bg.png');
    background-size: cover;
    background-position: center;
    opacity: 0.25;
    z-index: 1;
}

.outro::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(7, 11, 25, 0.95) 0%, rgba(7, 11, 25, 0.7) 100%);
    z-index: 2;
}

.outro-container {
    position: relative;
    z-index: 3;
    max-width: 900px;
    margin: 0 auto;
    padding: 0 2rem;
    text-align: center;
}

.outro-glass-card {
    background: var(--glass-bg);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 4rem;
    box-shadow: var(--glass-shadow);
    margin-bottom: 4rem;
}

.outro-glass-card p {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1.2rem;
    line-height: 1.8;
}

.outro-conclusion-box {
    border-top: 2px solid rgba(255, 255, 255, 0.1);
    padding-top: 4rem;
}

.outro-conclusion-text {
    font-family: 'Montserrat', sans-serif;
    font-size: 2.1rem;
    line-height: 1.5;
    font-weight: 700;
    color: var(--white);
    background: linear-gradient(135deg, #ffffff 40%, var(--gold-accent) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 3rem;
}

.author-info {
    font-family: 'Montserrat', sans-serif;
    font-size: 1.1rem;
    text-transform: uppercase;
    letter-spacing: 0.25em;
    color: rgba(255, 255, 255, 0.5);
    display: inline-block;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.3);
    padding-bottom: 0.5rem;
}

.author-brand {
    font-family: 'Montserrat', sans-serif;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.2em;
    color: var(--gold-accent);
    margin-top: 0.8rem;
    font-weight: 600;
}

/* RESPONSIVE DESIGN */
@media (max-width: 1024px) {
    .dashboard-grid.horizontal-dashboard {
        grid-template-columns: repeat(2, 1fr);
    }

    .dashboard-tags {
        grid-column: span 2;
    }

    .flowchart-container.horizontal-flow {
        flex-wrap: wrap;
        justify-content: center;
        gap: 1.5rem;
    }

    .flowchart-arrow {
        display: none;
        /* Ẩn mũi tên ngang khi không đủ chỗ */
    }

    .ecosystem-container.horizontal-ecosystem {
        grid-template-columns: repeat(2, 1fr);
        display: grid;
    }

    .ecosystem-step:not(:last-child) .ecosystem-num-box::after {
        display: none;
    }
}

@media (max-width: 768px) {
    .hero-title-layer {
        font-size: 2.4rem;
        line-height: 1.3;
        padding-top: 0.1em;
    }

    .hero-title-sub {
        font-size: 1.35rem;
        margin-top: 0.8rem;
    }

    .hero-subtitle-box {
        padding: 1rem 1.5rem;
        margin-bottom: 2rem;
    }

    .hero-subtitle-box p {
        font-size: 1rem;
    }

    .intro-grid {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .sapo-text {
        font-size: 1.2rem;
        line-height: 1.7;
        padding-left: 1.2rem;
    }

    .quote-card {
        padding: 3rem 2rem;
    }

    .quote-text {
        font-size: 1.5rem;
    }

    .section-title-large {
        font-size: 2.2rem;
    }

    .section-subtitle-large {
        font-size: 1.3rem;
    }

    .full-screen-image-banner {
        height: 50vh;
    }

    .image-caption-box {
        padding: 1.5rem;
        margin: 0 1.5rem;
    }

    .image-caption-title {
        font-size: 1.3rem;
    }

    .outro-conclusion-text {
        font-size: 1.5rem;
    }

    /* Flowchart on mobile */
    .flowchart-container.horizontal-flow {
        flex-direction: column;
        align-items: center;
    }

    .flowchart-node {
        width: 100%;
    }

    .flowchart-arrow {
        display: flex;
        transform: rotate(90deg);
        /* Quay dọc mũi tên */
        margin: 0.5rem 0;
    }

    .flowchart-node.split-node {
        width: 100%;
    }

    /* Dashboard on mobile */
    .dashboard-grid.horizontal-dashboard {
        grid-template-columns: 1fr;
    }

    .dashboard-tags {
        grid-column: span 1;
    }

    /* Mindmap on mobile */
    .mindmap-horizontal-container {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

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

    .mindmap-column {
        gap: 1.2rem;
    }

    .mindmap-svg {
        display: none;
    }

    /* Ecosystem on mobile */
    .ecosystem-container.horizontal-ecosystem {
        grid-template-columns: 1fr;
        display: flex;
        flex-direction: column;
    }

    .ecosystem-box {
        min-height: auto;
    }

    /* Đường kẻ dọc nối các số trên mobile */
    .ecosystem-step:not(:last-child) .ecosystem-num-box::after {
        display: block;
        content: '';
        position: absolute;
        top: 52px;
        left: 50%;
        transform: translateX(-50%);
        width: 2px;
        height: 2.2rem;
        background: #E2E8F0;
        z-index: 1;
    }

    .section-bg-num {
        font-size: 8rem;
        right: 2%;
    }
}