/* 
 * Saigon Bảo Tín - About Page Styles
 * Boutique Pure CSS Implementation
 */

.about-main {
    background-color: #f8fafc;
}

/* --- Hero Section --- */
.a-hero {
    position: relative;
    height: 480px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background-color: #0f172a;
}

.a-hero-bg {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
}

.a-hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 2;
    background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, rgba(0,0,0,0.4) 50%, transparent 100%);
}

.a-hero-content {
    position: relative;
    z-index: 3;
    width: 100%;
}

.a-hero-title {
    font-size: var(--fs-hero);
    font-weight: 900;
    color: #ffffff;
    margin: 0;
    letter-spacing: -0.02em;
}

.st-breadcrumbs {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-top: 10px;
    font-size: 0.95rem;
    font-weight: 500;
}

.st-breadcrumbs a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
}

.st-breadcrumbs a:hover {
    color: var(--secondary);
}

.st-breadcrumbs .separator {
    color: rgba(255, 255, 255, 0.4);
    font-size: 0.8rem;
}

.st-breadcrumbs .current {
    color: #ffffff;
    font-weight: 700;
}

.a-hero-line {
    height: 6px;
    width: 100px;
    background-color: var(--secondary);
    margin-top: 20px;
    border-radius: 10px;
}

/* --- Intro Section --- */
.a-intro {
    padding: var(--section-pad-y) 0;
    background: #ffffff;
}

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

@media (min-width: 1024px) {
    .a-intro-grid {
        grid-template-columns: 1.1fr 0.9fr;
    }
}

.a-intro-subtitle {
    color: var(--primary);
    font-weight: 800;
    letter-spacing: 0.15em;
    font-size: 0.875rem;
    display: block;
    margin-bottom: 15px;
}

.a-intro-title {
    font-size: var(--fs-h1);
    font-weight: 800;
    line-height: 1.25;
    color: #0f172a;
    margin-bottom: 30px;
}

.a-intro-title span {
    color: var(--primary);
}

.a-intro-text {
    font-size: var(--fs-p);
    line-height: 1.8;
    color: #475569;
}

.a-intro-text p {
    margin-bottom: 20px;
}

.a-intro-text strong {
    color: var(--primary);
}

.a-intro-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
}

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

.stat-num {
    font-size: var(--fs-h2);
    font-weight: 800;
    color: var(--primary);
}

.stat-label {
    font-size: 0.875rem;
    color: #64748b;
    font-weight: 600;
}

/* Overlapping Images */
.a-intro-images {
    position: relative;
    padding: 20px;
}

.img-large {
    width: 90%;
    height: 400px;
    object-fit: cover;
    border-radius: 24px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
}

.img-small {
    position: absolute;
    bottom: -20px;
    right: 0;
    width: 60%;
    height: 300px;
    object-fit: cover;
    border-radius: 24px;
    border: 8px solid #ffffff;
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

/* --- Mission & Vision --- */
.a-mv-section {
    padding: var(--section-pad-y) 0;
    background-color: rgba(52, 152, 219, 0.03);
}

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

@media (min-width: 768px) {
    .a-mv-grid {
        grid-template-columns: 1fr 1fr;
    }
}

.mv-card {
    background: #ffffff;
    padding: 50px;
    border-radius: 24px;
    border: 1px solid #e2e8f0;
    position: relative;
    overflow: hidden;
    transition: transform 0.3s ease, border-color 0.3s ease;
}

.mv-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary);
}

.mv-icon-bg {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 120px !important;
    opacity: 0.05;
    color: var(--primary);
}

.mv-icon-box {
    width: 64px;
    height: 64px;
    border-radius: 16px;
    background-color: var(--primary);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.mv-icon-box.accent {
    background-color: var(--secondary);
}

.mv-card h3 {
    font-size: var(--fs-h3);
    font-weight: 800;
    margin-bottom: 20px;
    color: #0f172a;
}

.mv-card p {
    font-size: 1.1rem;
    line-height: 1.7;
    color: #475569;
}

/* --- Core Values --- */
.a-values {
    padding: var(--section-pad-y) 0;
    text-align: center;
}

.a-values-header {
    margin-bottom: 60px;
}

.values-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

@media (min-width: 768px) {
    .values-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

.value-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 20px;
}

.value-icon-circle {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    background-color: rgba(52, 152, 219, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    transition: transform 0.3s ease;
}

.value-icon-circle.accent {
    background-color: rgba(245, 158, 11, 0.08);
    color: var(--secondary);
}

.value-item:hover .value-icon-circle {
    transform: scale(1.1);
}

.value-item h4 {
    font-size: 1.25rem;
    font-weight: 800;
    color: #0f172a;
    margin: 0;
}

.value-item p {
    color: #64748b;
    line-height: 1.6;
    font-size: 0.95rem;
}

@media (max-width: 1024px) {
    .a-hero { height: 400px; }
    .a-intro-grid { grid-template-columns: 1fr; gap: 40px; }
    .a-intro-images .img-large { width: 100%; height: 350px; }
    .a-intro-images .img-small { width: 70%; height: 250px; bottom: -15px; }
}

@media (max-width: 768px) {
    .a-hero { height: 350px; }
    .a-intro-stats { flex-wrap: wrap; gap: 20px; }
    .mv-card { padding: 30px; }
    .values-grid { grid-template-columns: 1fr; gap: 30px; }
}

/* --- Benefits Section (Reused Highlights Layout) --- */
.section-padding {
    padding: var(--section-pad-y) 0;
}

.section-header {
    text-align: center;
    margin-bottom: 4rem;
}

.section-subtitle {
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    display: block;
}

.section-title {
    font-size: var(--fs-h1);
    font-weight: 900;
    color: #0f172a;
    margin-bottom: 1rem;
}

.highlights-section {
    background-color: #f8fafc;
    border-top: 1px solid #e2e8f0;
}

.highlights-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
}

.highlight-card {
    text-align: center;
    padding: 2rem;
    background-color: #ffffff;
    border-radius: 24px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.highlight-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    border-color: #e2e8f0;
}

.highlight-icon {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
}

.highlight-icon.blue { background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%); }
.highlight-icon.yellow { background: linear-gradient(135deg, #facc15 0%, #ca8a04 100%); }
.highlight-icon.green { background: linear-gradient(135deg, #10b981 0%, #047857 100%); }
.highlight-icon.red { background: linear-gradient(135deg, #ef4444 0%, #b91c1c 100%); }

.highlight-title {
    font-size: 1.25rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.highlight-desc {
    color: #64748b;
    font-size: 0.95rem;
    line-height: 1.6;
}

@media (max-width: 1024px) {
    .highlights-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
}

@media (max-width: 640px) {
    .highlights-grid {
        grid-template-columns: 1fr;
    }
}

/* --- Reuse Hubs/Form Styles from Home --- */
.a-hubs-form {
    padding: var(--section-pad-y) 0;
    background: #ffffff;
}

.info-section {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 2.5rem;
}

.hubs-column {
    grid-column: span 12;
}

@media (min-width: 1024px) {
    .hubs-column {
        grid-column: span 5;
    }
}

.hubs-title {
    font-size: 1.5rem;
    font-weight: 800;
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    color: #0f172a;
}

.hubs-title span:first-child {
    width: 48px;
    height: 4px;
    background-color: var(--primary);
    border-radius: 2px;
}

.hub-card {
    background-color: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 24px;
    padding: 2rem;
    margin-bottom: 1.5rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    gap: 1.5rem;
}

.hub-card:hover {
    box-shadow: 0 20px 40px rgba(0,0,0,0.05);
    border-color: transparent;
}

.hub-card::after {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 120px;
    height: 120px;
    background-color: rgba(52, 152, 219, 0.05);
    border-bottom-left-radius: 100%;
    margin-right: -40px;
    margin-top: -40px;
    transition: var(--transition);
}

.hub-card.nha-trang::after {
    background-color: rgba(44, 62, 80, 0.05);
}

.hub-card:hover::after {
    transform: scale(1.5);
    background-color: rgba(52, 152, 219, 0.1);
}

.hub-icon-box {
    width: 64px;
    height: 64px;
    background-color: rgba(52, 152, 219, 0.1);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid rgba(52, 152, 219, 0.2);
    flex-shrink: 0;
}

.hub-card.nha-trang .hub-icon-box {
    background-color: rgba(44, 62, 80, 0.1);
    border-color: rgba(44, 62, 80, 0.2);
}

.hub-icon-box span {
    color: var(--primary);
    font-size: 1.75rem;
}

.hub-card.nha-trang .hub-icon-box span {
    color: var(--secondary);
}

.hub-details h4 {
    font-size: 1.25rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 8px;
}

.hub-address {
    font-size: 0.95rem;
    color: #64748b;
    margin-bottom: 12px;
}

.hub-link {
    font-size: 0.875rem;
    font-weight: 700;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: 5px;
}

.hub-map-placeholder {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    height: 250px;
}

.hub-map-placeholder img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hub-map-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to bottom, transparent, rgba(0,0,0,0.5));
    display: flex;
    align-items: flex-end;
    padding: 20px;
}

.hub-security-badge {
    background: #ffffff;
    padding: 8px 16px;
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 800;
    color: #0f172a;
}

/* Form Column */
.form-column {
    grid-column: span 12;
    background: #ffffff;
    border: 1px solid var(--border-color);
    border-radius: 32px;
    padding: 3rem;
    position: relative;
    overflow: hidden;
}

@media (min-width: 1024px) {
    .form-column {
        grid-column: span 7;
    }
}

.form-icon-bg {
    position: absolute;
    top: -20px;
    right: -20px;
    font-size: 150px !important;
    color: var(--primary);
    opacity: 0.03;
}

.form-title {
    font-size: 1.75rem;
    font-weight: 800;
    color: #0f172a;
    margin-bottom: 2rem;
}

@media (max-width: 768px) {
    .form-column {
        padding: 2rem;
    }
}

/* SEO money links + intro CTA */
.a-money-links {
    background: #0f172a;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    padding: 0.85rem 0;
}

.a-money-links-inner {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem 0.65rem;
    justify-content: center;
}

.a-money-links .money-link {
    display: inline-flex;
    align-items: center;
    padding: 0.45rem 0.9rem;
    border-radius: 999px;
    font-size: 0.875rem;
    font-weight: 600;
    color: #e2e8f0;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    text-decoration: none;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.a-money-links .money-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}

.a-money-links .money-link.primary {
    background: var(--primary, #2563eb);
    border-color: transparent;
    color: #fff;
}

.a-money-links .money-link.cta-call {
    background: #059669;
    border-color: transparent;
    color: #fff;
}

.a-money-links .money-link.cta-zalo {
    background: #0068ff;
    border-color: transparent;
    color: #fff;
}

.a-services-seo {
    margin-top: 0.75rem;
    line-height: 1.7;
}

.a-services-seo a {
    color: var(--primary, #2563eb);
    font-weight: 600;
    text-decoration: underline;
    text-underline-offset: 2px;
}

.a-intro-cta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin: 1.5rem 0 1.75rem;
}

.a-intro-cta .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 0.7rem 1.15rem;
    border-radius: 0.5rem;
    font-weight: 700;
    font-size: 0.9rem;
    text-decoration: none;
    transition: all 0.25s ease;
}

.a-intro-cta .btn-primary {
    background: var(--primary, #2563eb);
    color: #fff;
}

.a-intro-cta .btn-outline {
    border: 1px solid #cbd5e1;
    color: #0f172a;
    background: #fff;
}

.a-intro-cta .btn-cta {
    background: #059669;
    color: #fff;
}

.a-intro-cta .btn:hover {
    opacity: 0.92;
    transform: translateY(-1px);
}

.a-intro-text a {
    color: var(--primary, #2563eb);
    font-weight: 600;
}

@media (max-width: 640px) {
    .a-money-links-inner {
        justify-content: flex-start;
        overflow-x: auto;
        flex-wrap: nowrap;
        -webkit-overflow-scrolling: touch;
    }
}