/* MANH DUC MCI - ABOUT PAGE CSS - 1440px LIMIT */
/* Version: 1.0.0 | Date: 2026 | Professional Design */
/* CSS sửa lỗi chính thức */
.about-hero .text-class-cu-the {
    color: #333333; /* Màu chữ tối */
    display: block;
}
/* ===== RESET & GLOBAL STYLES ===== */
.about-company-page {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    overflow-x: hidden;
    background: #ffffff;
}

/* ===== HERO SECTION ===== */
.about-hero {
    position: relative;
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #1a3a5f 0%, #2c5282 50%, #4a90e2 100%);
    border-radius: 0 0 20px 20px;
    overflow: hidden;
    max-width: 1440px;
    margin: 0 auto;
}

.about-hero .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 900;
    color: white;
    line-height: 1.2;
    margin-bottom: 20px;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.5px;
}

.hero-subtitle {
    font-size: 1.3rem;
    color: rgba(255, 255, 255, 0.9);
    line-height: 1.6;
    max-width: 700px;
    margin: 0 auto;
    font-weight: 300;
}

.hero-wave {
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
}

.hero-wave svg {
    display: block;
    width: calc(100% + 1.3px);
    height: 80px;
    fill: #ffffff;
}

/* ===== INTRODUCTION SECTION ===== */
.company-intro {
    padding: 100px 0;
    background: #ffffff;
    position: relative;
    max-width: 1440px;
    margin: 0 auto;
}

.company-intro .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

@media (min-width: 992px) {
    .intro-grid {
        grid-template-columns: 1fr 1fr;
        gap: 80px;
    }
}

.intro-content h2 {
    font-size: 2.8rem;
    font-weight: 800;
    color: #1a365d;
    margin-bottom: 30px;
    line-height: 1.3;
}

.intro-content .highlight {
    color: #0077b6;
    background: linear-gradient(135deg, #0077b6, #48cae4);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: inline-block;
    position: relative;
}

.intro-content .highlight br {
    display: none;
}

.intro-text {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #4a5568;
    margin-bottom: 40px;
}

.intro-text strong {
    color: #2d3748;
    font-weight: 700;
}

.mission-vision {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
    margin-top: 40px;
}

@media (min-width: 768px) {
    .mission-vision {
        grid-template-columns: repeat(2, 1fr);
    }
}

.mv-card {
    background: #f8fafc;
    padding: 30px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
}

.mv-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 119, 182, 0.1);
    border-color: #cbd5e0;
}

.mv-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #0077b6, #48cae4);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: white;
    font-size: 1.5rem;
}

.mv-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.mv-card p {
    color: #4a5568;
    line-height: 1.6;
    font-size: 0.95rem;
}

.intro-image {
    position: relative;
}

.image-frame {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
    border: 8px solid white;
}

.image-frame img {
    width: 100%;
    height: 400px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.image-frame:hover img {
    transform: scale(1.05);
}

.experience-badge {
    position: absolute;
    bottom: 30px;
    right: 30px;
    background: linear-gradient(135deg, #ff6b6b, #ff8e8e);
    color: white;
    padding: 15px 20px;
    border-radius: 12px;
    text-align: center;
    box-shadow: 0 10px 20px rgba(255, 107, 107, 0.3);
    z-index: 2;
}

.experience-badge .number {
    display: block;
    font-size: 1.8rem;
    font-weight: 900;
    margin-bottom: 5px;
}

.experience-badge .text {
    font-size: 0.9rem;
    font-weight: 600;
    opacity: 0.9;
}

/* ===== CORE VALUES SECTION ===== */
.core-values {
    padding: 100px 0;
    background: #f8fafc;
    position: relative;
    max-width: 1440px;
    margin: 0 auto;
}

.core-values .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    color: #1a365d;
    margin-bottom: 20px;
    line-height: 1.3;
}

.section-subtitle {
    font-size: 1.2rem;
    color: #718096;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.6;
}

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

@media (min-width: 768px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .values-grid {
        grid-template-columns: repeat(4, 1fr);
    }
}

.value-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    text-align: center;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.value-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 119, 182, 0.1);
    border-color: #cbd5e0;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #0077b6, #48cae4);
    border-radius: 16px 16px 0 0;
}

.value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #0077b6, #48cae4);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    color: white;
    font-size: 2rem;
}

.value-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.value-card p {
    color: #4a5568;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* ===== BUSINESS AREAS SECTION ===== */
.business-areas {
    padding: 100px 0;
    background: white;
    position: relative;
    max-width: 1440px;
    margin: 0 auto;
}

.business-areas .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.areas-tabs {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
}

.tab-buttons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    background: #f8fafc;
    padding: 10px;
    border-radius: 12px;
    margin-bottom: 40px;
}

.tab-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 20px 15px;
    background: transparent;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 700;
    color: #718096;
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-btn i {
    font-size: 1.2rem;
}

.tab-btn.active {
    background: white;
    color: #0077b6;
    box-shadow: 0 5px 15px rgba(0, 119, 182, 0.1);
}

.tab-contents {
    padding: 20px 0;
}

.tab-content {
    display: none;
    animation: fadeIn 0.5s ease;
}

.tab-content.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.tab-content-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
}

@media (min-width: 992px) {
    .tab-content-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.tab-image {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.tab-image img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.tab-image:hover img {
    transform: scale(1.05);
}

.tab-info h3 {
    font-size: 2rem;
    font-weight: 800;
    color: #1a365d;
    margin-bottom: 20px;
    line-height: 1.3;
}

.tab-info > p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #4a5568;
    margin-bottom: 30px;
}

.service-features {
    margin-bottom: 30px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 15px;
    color: #2d3748;
    font-size: 1rem;
}

.feature i {
    color: #48cae4;
    font-size: 1.1rem;
    flex-shrink: 0;
}

.focus-areas h4 {
    font-size: 1.2rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
}

.focus-areas ul {
    list-style: none;
    padding-left: 0;
}

.focus-areas li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    color: #4a5568;
}

.focus-areas li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #0077b6;
    font-weight: bold;
}

/* ===== WHY CHOOSE US SECTION ===== */
.why-choose-us {
    padding: 100px 0;
    background: #f8fafc;
    position: relative;
    max-width: 1440px;
    margin: 0 auto;
}

.why-choose-us .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

@media (min-width: 768px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (min-width: 992px) {
    .advantages-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.advantage-card {
    background: white;
    padding: 40px 30px;
    border-radius: 16px;
    border: 1px solid #e2e8f0;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 119, 182, 0.1);
    border-color: #cbd5e0;
}

.advantage-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: linear-gradient(90deg, #48cae4, #90e0ef);
    border-radius: 16px 16px 0 0;
}

.advantage-number {
    font-size: 3rem;
    font-weight: 900;
    color: rgba(0, 119, 182, 0.1);
    position: absolute;
    top: 20px;
    right: 20px;
    line-height: 1;
}

.advantage-card h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: #2d3748;
    margin-bottom: 15px;
    position: relative;
    z-index: 1;
}

.advantage-card p {
    color: #4a5568;
    line-height: 1.6;
    font-size: 0.95rem;
    position: relative;
    z-index: 1;
}

/* ===== ROADMAP SECTION ===== */
.company-roadmap {
    padding: 100px 0;
    background: white;
    position: relative;
    max-width: 1440px;
    margin: 0 auto;
}

.company-roadmap .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.roadmap-timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
    padding-left: 30px;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, #0077b6, #48cae4);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
}

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

.timeline-year {
    position: absolute;
    left: -50px;
    top: 0;
    background: #0077b6;
    color: white;
    width: 100px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    font-weight: 700;
    border-radius: 8px;
    box-shadow: 0 5px 15px rgba(0, 119, 182, 0.2);
}

.timeline-content {
    background: #f8fafc;
    padding: 30px;
    border-radius: 12px;
    border: 1px solid #e2e8f0;
    margin-left: 30px;
    transition: all 0.3s ease;
}

.timeline-item:hover .timeline-content {
    transform: translateX(10px);
    box-shadow: 0 10px 25px rgba(0, 119, 182, 0.1);
}

.timeline-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: #1a365d;
    margin-bottom: 20px;
}

.timeline-content ul {
    list-style: none;
    padding-left: 0;
}

.timeline-content li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    color: #4a5568;
    line-height: 1.6;
}

.timeline-content li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: #0077b6;
    font-weight: bold;
    font-size: 1.2rem;
}

/* ===== CTA SECTION ===== */
.about-cta {
    padding: 80px 0;
    background: linear-gradient(135deg, #0077b6 0%, #005885 50%, #004a73 100%);
    color: white;
    text-align: center;
    position: relative;
    overflow: hidden;
    max-width: 1440px;
    margin: 0 auto;
    border-radius: 20px 20px 0 0;
}

.about-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 80%, rgba(72, 202, 228, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(144, 224, 239, 0.1) 0%, transparent 50%);
}

.about-cta .container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 2;
}

.cta-content {
    max-width: 800px;
    margin: 0 auto;
}

.cta-content h2 {
    font-size: 2.8rem;
    font-weight: 900;
    margin-bottom: 20px;
    line-height: 1.2;
    text-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

.cta-content p {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.6;
    font-weight: 300;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 16px 32px;
    font-weight: 700;
    border-radius: 10px;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    border: 2px solid transparent;
}

.btn-primary {
    background: linear-gradient(135deg, #48cae4, #0077b6);
    color: white;
    box-shadow: 0 10px 20px rgba(0, 119, 182, 0.3);
}

.btn-primary:hover {
    background: linear-gradient(135deg, #0077b6, #005885);
    transform: translateY(-3px);
    box-shadow: 0 15px 30px rgba(0, 119, 182, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border-color: white;
}

.btn-secondary:hover {
    background: white;
    color: #0077b6;
    transform: translateY(-3px);
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 1440px) {
    .about-company-page {
        padding: 0;
    }
}

@media (max-width: 1200px) {
    .hero-title {
        font-size: 3rem;
    }
    
    .section-title {
        font-size: 2.5rem;
    }
}

@media (max-width: 992px) {
    .about-hero {
        padding: 100px 0 60px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .company-intro,
    .core-values,
    .business-areas,
    .why-choose-us,
    .company-roadmap {
        padding: 80px 0;
    }
    
    .tab-buttons {
        grid-template-columns: 1fr;
        gap: 10px;
    }
    
    .roadmap-timeline {
        padding-left: 20px;
    }
    
    .timeline-year {
        left: -40px;
        width: 80px;
        height: 35px;
        font-size: 1.1rem;
    }
}

@media (max-width: 768px) {
    .about-hero {
        padding: 80px 0 40px;
        border-radius: 0 0 16px 16px;
    }
    
    .hero-title {
        font-size: 2rem;
        line-height: 1.3;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .section-subtitle {
        font-size: 1rem;
    }
    
    .company-intro,
    .core-values,
    .business-areas,
    .why-choose-us,
    .company-roadmap {
        padding: 60px 0;
    }
    
    .image-frame img {
        height: 300px;
    }
    
    .cta-content h2 {
        font-size: 2rem;
    }
    
    .cta-content p {
        font-size: 1.1rem;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
    
    .roadmap-timeline {
        padding-left: 15px;
    }
    
    .timeline-year {
        position: relative;
        left: 0;
        top: 0;
        margin-bottom: 15px;
        width: 120px;
    }
    
    .timeline-content {
        margin-left: 0;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.8rem;
    }
    
    .intro-content h2 {
        font-size: 2rem;
    }
    
    .mv-card {
        padding: 25px 20px;
    }
    
    .value-card,
    .advantage-card {
        padding: 30px 20px;
    }
    
    .tab-btn {
        padding: 15px 10px;
        font-size: 0.9rem;
    }
    
    .about-cta {
        padding: 60px 0;
    }
}

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

.hero-content {
    animation: fadeInUp 0.8s ease-out;
}

.intro-grid,
.values-grid,
.tab-content-grid,
.advantages-grid,
.roadmap-timeline {
    animation: fadeInUp 1s ease-out;
}

/* ===== FIX 1440px LIMIT ===== */
@media (min-width: 1440px) {
    .about-company-page {
        box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.05);
    }
}