/* ---------- Explore more (About Us quick links) ---------- */
.about-explore {
    max-width: 980px;
    margin: 0 auto 60px;
}
.about-explore h3 {
    font-size: 15px;
    letter-spacing: 2px;
    color: #8a97a8;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
}
.explore-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 16px;
}
.explore-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 10px;
    padding: 26px 16px;
    background: #F5F9FD;
    border: 1px solid #E3EDF7;
    border-radius: 8px;
    text-decoration: none;
    color: #142B5C;
    font-weight: 700;
    font-size: 14px;
    text-align: center;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.explore-card i {
    font-size: 26px;
    color: #1D6FBE;
}
.explore-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 22px rgba(20,43,92,0.12);
    background: #EAF3FC;
    color: #142B5C;
    text-decoration: none;
}

/* ---------- About sub-page header (Key Personnel, Org Chart, etc.) ---------- */
.about-section-header {
    max-width: 980px;
    margin: 34px auto 20px;
    text-align: center;
}
.about-section-header h1 {
    font-size: 28px;
    font-weight: 800;
    color: #142B5C;
    margin: 0 0 8px;
}
.about-section-header .about-eyebrow {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 12px;
    font-weight: 700;
    color: #1D6FBE;
    margin-bottom: 10px;
}

/* ---------- Hero ---------- */
.about-hero {
    position: relative;
    min-height: 420px;
    background-size: cover;
    background-position: center;
    background-color: #142B5C;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}
.about-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(20,43,92,0.92) 0%, rgba(29,111,190,0.62) 65%, rgba(95,197,234,0.35) 100%);
}
.about-hero-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    color: #fff;
    padding: 60px 20px;
}
.about-eyebrow {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: 3px;
    font-size: 13px;
    font-weight: 700;
    color: #A9D6F5;
    margin-bottom: 14px;
}
.about-hero-inner h1 {
    font-size: 44px;
    font-weight: 800;
    margin: 0 0 16px;
    line-height: 1.2;
    text-shadow: 0 2px 12px rgba(0,0,0,0.25);
}
.about-tagline {
    font-size: 18px;
    font-weight: 400;
    color: #E7F1FB;
    max-width: 620px;
    margin: 0 auto;
    letter-spacing: 0.3px;
}

/* ---------- Stats bar (overlaps hero) ---------- */
.about-stats {
    position: relative;
    z-index: 3;
    margin: -55px auto 50px;
    max-width: 980px;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 18px 40px rgba(20,43,92,0.18);
    display: flex;
    flex-wrap: wrap;
}
.about-stat {
    flex: 1 1 25%;
    text-align: center;
    padding: 32px 16px;
    border-right: 1px solid #edf1f6;
}
.about-stat:last-child { border-right: none; }
.about-stat .num {
    display: block;
    font-size: 34px;
    font-weight: 800;
    color: #1D6FBE;
    line-height: 1.1;
    margin-bottom: 6px;
}
.about-stat .lbl {
    display: block;
    font-size: 13px;
    color: #5b6b7f;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    font-weight: 600;
}

/* ---------- Company profile download ---------- */
.profile-download {
    max-width: 900px;
    margin: 0 auto 56px;
}
.profile-card {
    position: relative;
    overflow: hidden;
    text-align: center;
    padding: 40px 28px 34px;
    border-radius: 14px;
    background:
        radial-gradient(1200px 300px at 50% -140px, rgba(29,111,190,0.12), transparent 70%),
        linear-gradient(180deg, #F5F9FD 0%, #ffffff 100%);
    border: 1px solid #E3EDF7;
    box-shadow: 0 18px 40px rgba(20,43,92,0.08);
}
.profile-card .profile-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 58px;
    height: 58px;
    margin-bottom: 16px;
    border-radius: 50%;
    background: #1D6FBE;
    color: #fff;
    font-size: 24px;
    box-shadow: 0 10px 22px rgba(29,111,190,0.35);
}
.profile-card h2 {
    color: #142B5C;
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 1.5px;
    margin: 0 0 6px;
}
.profile-card .profile-sub {
    color: #5b6b7f;
    font-size: 14.5px;
    margin: 0 0 24px;
}
.profile-btn-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}
.profile-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: #1D6FBE;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    padding: 11px 26px;
    border-radius: 30px;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.profile-btn i {
    font-size: 12px;
    opacity: 0.9;
}
.profile-btn:hover {
    background: #142B5C;
    color: #fff;
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(20,43,92,0.18);
}
@media (max-width: 600px) {
    .profile-btn-row { flex-direction: column; align-items: stretch; }
    .profile-btn { justify-content: center; }
}

/* ---------- Body copy ---------- */
.about-body {
    max-width: 820px;
    margin: 0 auto 60px;
}
.about-body p {
    font-size: 16.5px;
    line-height: 1.9;
    color: #3b4756;
    margin-bottom: 22px;
}
.about-body p:first-of-type {
    font-size: 19px;
    font-weight: 500;
    color: #142B5C;
    line-height: 1.75;
}
.about-body h3 {
    color: #142B5C;
    font-size: 21px;
    font-weight: 700;
    margin: 34px 0 14px;
    padding-left: 14px;
    border-left: 4px solid #1D6FBE;
}

/* ---------- Core values ---------- */
.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 16px;
    margin-bottom: 10px;
}
.value-card {
    background: #F5F9FD;
    border: 1px solid #E3EDF7;
    border-radius: 8px;
    padding: 20px 18px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.value-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 22px rgba(20,43,92,0.1);
}
.value-card h4 {
    color: #1D6FBE;
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 8px;
}
.value-card p {
    font-size: 14px;
    line-height: 1.6;
    color: #4b5a6b;
    margin: 0;
}

/* ---------- Key personnel (cjsc.vn/gioi-thieu/nhan-su.htm style) ---------- */
.personnel-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 26px;
    margin-bottom: 10px;
}
.person-card {
    text-align: left;
}
.person-photo {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    object-position: top center;
    display: block;
    border-radius: 4px;
    margin-bottom: 14px;
    background: #eef1f4;
}
.person-avatar {
    width: 100%;
    aspect-ratio: 1 / 1;
    margin-bottom: 14px;
    border-radius: 4px;
    background: linear-gradient(135deg, #142B5C 0%, #1D6FBE 100%);
    color: #fff;
    font-weight: 800;
    font-size: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}
.person-card h4 {
    color: #1a1a1a;
    font-size: 16px;
    font-weight: 700;
    margin: 0 0 4px;
}
.person-card p {
    font-size: 13.5px;
    color: #6b7a8c;
    margin: 0;
}

/* ---------- Fields of work (alternating rows) ---------- */
.fields-rows {
    display: flex;
    flex-direction: column;
    gap: 50px;
    margin-bottom: 10px;
}
.field-row {
    display: flex;
    align-items: center;
    gap: 44px;
}
.field-row.reverse {
    flex-direction: row-reverse;
}
.field-row-media {
    flex: 0 0 44%;
    max-width: 44%;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 26px rgba(20,43,92,0.12);
}
.field-row-media img {
    width: 100%;
    height: 300px;
    object-fit: cover;
    display: block;
}
.field-row-text {
    flex: 1 1 auto;
}
.field-row-text h4 {
    color: #142B5C;
    font-size: 24px;
    font-weight: 800;
    margin: 0 0 14px;
}
.field-row-text p {
    font-size: 15.5px;
    line-height: 1.8;
    color: #4b5a6b;
    margin: 0;
}
@media (max-width: 767px) {
    .field-row, .field-row.reverse {
        flex-direction: column;
        gap: 20px;
    }
    .field-row-media {
        flex: 1 1 auto;
        max-width: 100%;
    }
    .field-row-media img {
        height: 220px;
    }
    .field-row-text h4 {
        font-size: 20px;
    }
}

/* ---------- Embedded PDF viewer ---------- */
.pdf-embed {
    width: 100%;
    height: 80vh;
    min-height: 500px;
    border: 1px solid #E3EDF7;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(20,43,92,0.08);
    margin-bottom: 18px;
}
.pdf-embed iframe {
    width: 100%;
    height: 100%;
    border: none;
    display: block;
}

/* ---------- Client / partner logos ---------- */
.partner-logo-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 18px;
}
.partner-logo-card {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #fff;
    border: 1px solid #E3EDF7;
    border-radius: 8px;
    padding: 18px;
    height: 100px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.partner-logo-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 22px rgba(20,43,92,0.1);
}
.partner-logo-card img {
    max-width: 100%;
    max-height: 100%;
    object-fit: contain;
}

/* ---------- Document download ---------- */
.doc-download {
    display: flex;
    align-items: center;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 10px;
}
.doc-download-btn {
    display: inline-block;
    background: #1D6FBE;
    color: #fff;
    font-weight: 700;
    padding: 12px 28px;
    border-radius: 30px;
    text-decoration: none;
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}
.doc-download-btn:hover {
    background: #142B5C;
    transform: translateY(-2px);
    box-shadow: 0 10px 22px rgba(20,43,92,0.2);
    color: #fff;
}
.doc-download-hint {
    color: #8a97a8;
    font-size: 13px;
}

/* ---------- Partners ---------- */
.about-partners {
    max-width: 980px;
    margin: 0 auto 60px;
    text-align: center;
}
.about-partners h3 {
    font-size: 15px;
    letter-spacing: 2px;
    color: #8a97a8;
    font-weight: 700;
    margin-bottom: 26px;
    position: relative;
}
.partner-row {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 14px;
}
.partner-badge {
    display: inline-block;
    padding: 12px 26px;
    border-radius: 30px;
    background: linear-gradient(180deg, #F3F8FD 0%, #E7F1FB 100%);
    color: #142B5C;
    font-weight: 700;
    font-size: 15px;
    border: 1px solid #D6E6F7;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.partner-badge:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 22px rgba(29,111,190,0.18);
}

/* ---------- CTA band ---------- */
.about-cta {
    background: linear-gradient(100deg, #142B5C 0%, #1D6FBE 100%);
    padding: 56px 20px;
    text-align: center;
}
.about-cta-inner h2 {
    color: #fff;
    font-size: 28px;
    font-weight: 700;
    margin: 0 0 22px;
}
.about-cta-btn {
    display: inline-block;
    background: #fff;
    color: #1D6FBE;
    font-weight: 700;
    padding: 13px 36px;
    border-radius: 30px;
    text-decoration: none;
    letter-spacing: 0.3px;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}
.about-cta-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 24px rgba(0,0,0,0.2);
    color: #142B5C;
}

/* ---------- Responsive ---------- */
@media (max-width: 767px) {
    .about-hero { min-height: 320px; }
    .about-hero-inner h1 { font-size: 30px; }
    .about-tagline { font-size: 15px; }
    .about-stats { margin: -40px 16px 40px; }
    .about-stat { flex: 1 1 50%; padding: 22px 10px; border-bottom: 1px solid #edf1f6; }
    .about-stat:nth-child(2) { border-right: none; }
}