/* ==========================================================================
   About Page — Specific Styles
   ========================================================================== */

/* Active nav link indicator */
.nav-link--active {
    color: var(--color-white);
    opacity: 1;
}

.nav-link--active::after {
    width: 100% !important;
    background-color: var(--color-accent) !important;
}

/* ==========================================================================
   Page Hero (Sub-page banner)
   ========================================================================== */
.page-hero {
    padding-top: 160px;
    padding-bottom: 80px;
    position: relative;
    background: linear-gradient(135deg, var(--color-secondary-bg) 0%, var(--color-primary-bg) 60%, #0c1a6e 100%);
    overflow: hidden;
}

.page-hero::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -100px;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 253, 0.15);
    pointer-events: none;
}

.page-hero::after {
    content: '';
    position: absolute;
    bottom: -120px;
    right: 80px;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    border: 1px solid rgba(0, 0, 253, 0.1);
    pointer-events: none;
}

.page-hero-overlay {
    position: absolute;
    inset: 0;
    background: url('../images/hero-bg.jpg') center/cover no-repeat;
    opacity: 0.08;
}

.page-hero-content {
    position: relative;
    z-index: 1;
    max-width: 780px;
}

.breadcrumb {
    display: inline-block;
    font-size: 13px;
    text-transform: uppercase;
    letter-spacing: 0.12em;
    color: var(--color-accent);
    font-weight: 600;
    margin-bottom: 1.2rem;
    background: rgba(0, 0, 253, 0.12);
    padding: 6px 14px;
    border-radius: 4px;
    border: 1px solid rgba(0, 0, 253, 0.25);
}

.page-hero-content h1 {
    font-size: 46px;
    color: var(--color-white);
    margin-bottom: 1rem;
    line-height: 1.15;
}

.page-hero-content p {
    font-size: 18px;
    color: var(--text-muted-dark);
    max-width: 620px;
    margin-bottom: 0;
}

/* ==========================================================================
   Company Overview Section
   ========================================================================== */
.overview-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.overview-text .section-label {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-accent);
    margin-bottom: 1rem;
    padding: 5px 12px;
    border: 1px solid rgba(0, 0, 253, 0.3);
    border-radius: 4px;
}

.overview-text h2 {
    font-size: 36px;
    margin-bottom: 1.5rem;
    color: var(--text-primary-light);
}

.overview-text p {
    color: var(--text-muted-light);
    font-size: 16px;
    line-height: 1.8;
}

.overview-stats {
    display: flex;
    gap: 40px;
    margin-top: 2.5rem;
    padding-top: 2rem;
    border-top: 1px solid var(--border-light);
}

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

.o-stat-number {
    font-family: var(--font-heading);
    font-size: 36px;
    font-weight: 700;
    color: var(--color-primary-bg);
    line-height: 1;
    margin-bottom: 6px;
}

.o-stat-label {
    font-size: 13px;
    color: var(--text-muted-light);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

.overview-image {
    position: relative;
}

.overview-image img {
    width: 100%;
    height: 420px;
    object-fit: cover;
    display: block;
    border: 1px solid var(--border-light);
}

.image-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--color-primary-bg);
    color: var(--color-white);
    padding: 20px 28px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.image-badge span {
    display: block;
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    color: var(--color-white);
    margin-bottom: 4px;
}

.image-badge p {
    font-size: 12px;
    color: var(--text-muted-dark);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin: 0;
}

/* ==========================================================================
   Vision & Mission Section
   ========================================================================== */
.vm-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.vm-card {
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid var(--border-subtle);
    padding: 48px 40px;
    border-radius: 4px;
    transition: border-color 0.3s ease;
}

.vm-card--accent {
    border-color: rgba(0, 0, 253, 0.35);
    background: rgba(0, 0, 253, 0.06);
}

.vm-card:hover {
    border-color: rgba(255, 255, 255, 0.25);
}

.vm-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-accent);
    margin-bottom: 1.5rem;
    border: 1px solid rgba(0, 0, 253, 0.3);
}

.vm-card h3 {
    color: var(--text-primary-dark);
    font-size: 22px;
    margin-bottom: 1rem;
}

.vm-card p {
    color: var(--text-muted-dark);
    line-height: 1.8;
    font-size: 16px;
    margin: 0;
}

.mission-list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.mission-list li {
    color: var(--text-muted-dark);
    font-size: 15px;
    line-height: 1.6;
    padding-left: 24px;
    position: relative;
}

.mission-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 9px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background-color: var(--color-accent);
}

/* ==========================================================================
   Core Values Section
   ========================================================================== */
.values-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.value-card {
    background: var(--color-white);
    border: 1px solid var(--border-light);
    padding: 36px 28px;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    overflow: hidden;
}

.value-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 3px;
    height: 0;
    background: var(--color-accent);
    transition: height 0.4s ease;
}

.value-card:hover::before {
    height: 100%;
}

.value-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
    border-color: var(--color-accent);
}

.value-number {
    font-family: var(--font-heading);
    font-size: 52px;
    font-weight: 700;
    color: var(--border-light);
    line-height: 1;
    position: absolute;
    top: 20px;
    right: 24px;
    letter-spacing: -2px;
    transition: color 0.3s ease;
}

.value-card:hover .value-number {
    color: rgba(0, 0, 253, 0.08);
}

.value-icon {
    color: var(--color-accent);
    margin-bottom: 1.2rem;
}

.value-card h4 {
    font-size: 17px;
    color: var(--text-primary-light);
    margin-bottom: 0.75rem;
}

.value-card p {
    color: var(--text-muted-light);
    font-size: 14px;
    line-height: 1.7;
    margin: 0;
}

/* ==========================================================================
   History Timeline Section
   ========================================================================== */
.timeline {
    position: relative;
    max-width: 900px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 130px;
    top: 0;
    bottom: 0;
    width: 1px;
    background: linear-gradient(180deg, transparent 0%, var(--border-subtle) 10%, var(--border-subtle) 90%, transparent 100%);
}

.timeline-item {
    display: flex;
    gap: 48px;
    align-items: flex-start;
    padding: 32px 0;
    position: relative;
}

.timeline-item:not(:last-child) {
    border-bottom: 1px solid rgba(238, 238, 238, 0.06);
}

.timeline-year {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    color: var(--color-accent);
    min-width: 130px;
    padding-top: 4px;
    text-align: right;
    position: relative;
}

.timeline-year::after {
    content: '';
    position: absolute;
    right: -58px;
    top: 12px;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--color-accent);
    border: 3px solid var(--color-secondary-bg);
    box-shadow: 0 0 0 3px rgba(0, 0, 253, 0.3);
}

.timeline-content {
    flex: 1;
    padding-left: 10px;
}

.timeline-content h4 {
    font-size: 18px;
    color: var(--text-primary-dark);
    margin-bottom: 0.5rem;
}

.timeline-content p {
    color: var(--text-muted-dark);
    font-size: 15px;
    line-height: 1.7;
    margin: 0;
}

/* ==========================================================================
   Certifications Section
   ========================================================================== */
.cert-desc {
    text-align: center;
    color: var(--text-muted-light);
    max-width: 650px;
    margin: -1.5rem auto 3.5rem;
    font-size: 16px;
    line-height: 1.8;
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.cert-card {
    border: 1px solid var(--border-light);
    padding: 36px 24px;
    text-align: center;
    background: var(--color-light-bg);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.cert-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 30px rgba(0, 0, 0, 0.07);
}

.cert-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    background: var(--color-primary-bg);
    color: var(--color-white);
    border-radius: 50%;
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.05em;
    margin: 0 auto 1.5rem;
    border: 3px solid rgba(0, 0, 253, 0.4);
}

.cert-card h4 {
    font-size: 16px;
    margin-bottom: 0.75rem;
    color: var(--text-primary-light);
}

.cert-card p {
    font-size: 14px;
    color: var(--text-muted-light);
    line-height: 1.7;
    margin: 0;
}

/* ==========================================================================
   Responsive — Tablet & Mobile
   ========================================================================== */
@media (max-width: 1024px) {
    .values-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

@media (max-width: 768px) {
    .page-hero-content h1 {
        font-size: 30px;
    }

    .page-hero-content p {
        font-size: 16px;
    }

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

    .overview-text h2 {
        font-size: 28px;
    }

    .overview-stats {
        gap: 24px;
    }

    .overview-image img {
        height: 280px;
    }

    .image-badge {
        bottom: -10px;
        right: -10px;
    }

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

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

    .timeline::before {
        left: 80px;
    }

    .timeline-year {
        min-width: 80px;
        font-size: 16px;
    }

    .timeline-year::after {
        right: -38px;
    }

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

@media (max-width: 480px) {
    .cert-grid {
        grid-template-columns: 1fr;
    }

    .timeline {
        padding-left: 16px;
    }

    .timeline::before {
        left: 70px;
    }
}