/* ============================================
   Prolrey Biotech — About Us Page Stylesheet
   ============================================ */

/* ---------- Hero Section ---------- */
.about-hero {
    margin-top: var(--nav-h);
    padding: 72px 0 64px;
    background: var(--bg-light);
    background-image: url('ASSETS/SLIDE/building-night.jpg');
    background-size: 110% auto;
    background-position: center;
    overflow: hidden;
    position: relative;
}

.about-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(247,248,250,0.94) 0%, rgba(247,248,250,0.8) 55%, rgba(247,248,250,0.55) 100%);
}

.about-hero-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.about-hero-text h1 {
    font-size: 48px;
    font-weight: 700;
    color: var(--black);
    letter-spacing: -1px;
    line-height: 1.15;
    margin-bottom: 16px;
}

.about-hero-sub {
    font-size: 18px;
    color: var(--gray);
    line-height: 1.7;
    max-width: 560px;
    margin: 0 auto;
}

.about-hero-stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 40px;
}

.about-stat {
    text-align: center;
}

.about-stat-num {
    font-size: 36px;
    font-weight: 700;
    font-family: var(--font-num);
    color: var(--red);
    line-height: 1;
    margin-bottom: 6px;
}

.about-stat-label {
    font-size: 13px;
    color: var(--gray);
    font-weight: 500;
}

/* ---------- Company Overview ---------- */
.about-overview {
    padding: 80px 0;
    background: var(--bg-white);
}

.about-overview-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}

.about-overview-img {
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: var(--shadow-card);
}

.about-overview-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-overview-text h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 20px;
    line-height: 1.3;
}

.about-overview-text p {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.8;
    margin-bottom: 16px;
}

.about-overview-text p:last-child {
    margin-bottom: 0;
}

/* ---------- Core Technologies ---------- */
.about-tech {
    padding: 80px 0;
    background: var(--bg-light);
}

.about-tech .section-title {
    text-align: center;
    margin-bottom: 48px;
}

.about-tech .section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 12px;
}

.about-tech .section-title p {
    font-size: 15px;
    color: var(--gray);
    max-width: 560px;
    margin: 0 auto;
    line-height: 1.7;
}

.about-tech-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.about-tech-card {
    background: var(--bg-white);
    border-radius: var(--radius);
    padding: 36px 28px;
    text-align: center;
    border: 1px solid rgba(0,0,0,0.06);
    transition: all var(--transition);
}

.about-tech-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-card-hover);
    border-color: transparent;
}

.about-tech-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.about-tech-icon svg {
    width: 30px;
    height: 30px;
    stroke: var(--red);
    fill: none;
}

.about-tech-icon img {
    width: 170px;
    height: 170px;
    object-fit: contain;
    display: block;
}

.about-tech-card h3 {
    font-size: 18px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.about-tech-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

/* ---------- Why Choose Us ---------- */
.about-why {
    padding: 80px 0;
    background: var(--bg-white);
}

.about-why .section-title {
    text-align: center;
    margin-bottom: 48px;
}

.about-why .section-title h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--black);
}

.about-why-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.about-why-card {
    display: flex;
    gap: 20px;
    padding: 28px;
    border-radius: var(--radius);
    background: var(--bg-light);
    transition: all var(--transition);
}

.about-why-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-card);
}

.about-why-num {
    font-size: 28px;
    font-weight: 700;
    font-family: var(--font-num);
    color: var(--red);
    line-height: 1;
    flex-shrink: 0;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--red-light);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-why-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 8px;
}

.about-why-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

/* ---------- Vision Section ---------- */
.about-vision {
    padding: 80px 0;
    background: var(--bg-light);
    position: relative;
    overflow: hidden;
}

.about-vision::before {
    content: '';
    position: absolute;
    right: -100px;
    top: -80px;
    width: 500px;
    height: 500px;
    background: url('ASSETS/IMAGES/OurPartnershipEcosystem2.jpg') center/cover no-repeat;
    opacity: 0.05;
    pointer-events: none;
}

.about-vision-inner {
    text-align: center;
    max-width: 700px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

.about-vision-icon {
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--red);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.about-vision-icon svg {
    width: 32px;
    height: 32px;
    stroke: #fff;
    fill: none;
}

.about-vision-inner h2 {
    font-size: 32px;
    font-weight: 700;
    color: var(--black);
    margin-bottom: 16px;
}

.about-vision-inner p {
    font-size: 16px;
    color: var(--gray);
    line-height: 1.8;
}

/* ---------- CTA ---------- */
.about-cta {
    padding: 80px 0;
    background: var(--bg-white);
}

.about-cta-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 40px;
    padding: 48px;
    border-radius: var(--radius);
    background: var(--black);
    position: relative;
    overflow: hidden;
}

.about-cta-inner::before {
    content: '';
    position: absolute;
    right: -40px;
    bottom: -40px;
    width: 300px;
    height: 300px;
    background: var(--red);
    border-radius: 50%;
    opacity: 0.08;
    pointer-events: none;
}

.about-cta-text {
    position: relative;
    z-index: 1;
}

.about-cta-text h3 {
    font-size: 24px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.about-cta-text p {
    font-size: 15px;
    color: rgba(255,255,255,0.65);
    line-height: 1.6;
}

.about-cta-inner .btn {
    position: relative;
    z-index: 1;
    flex-shrink: 0;
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
    .about-hero {
        padding: 48px 0;
        background-size: 240% auto;
        background-repeat: no-repeat;
    }
    .about-hero-text h1 { font-size: 36px; }
    .about-hero-stats { gap: 32px; }
    .about-stat-num { font-size: 28px; }

    .about-overview { padding: 56px 0; }
    .about-overview-inner { grid-template-columns: 1fr; gap: 32px; }

    .about-tech { padding: 56px 0; }
    .about-tech-grid { grid-template-columns: 1fr; max-width: 400px; margin: 0 auto; }

    .about-why { padding: 56px 0; }
    .about-why-grid { grid-template-columns: 1fr; }

    .about-vision { padding: 56px 0; }

    .about-cta { padding: 56px 0; }
    .about-cta-inner { flex-direction: column; text-align: center; padding: 36px 28px; }
}

@media (max-width: 640px) {
    .about-hero { padding: 36px 0; }
    .about-hero-text h1 { font-size: 28px; }
    .about-hero-sub { font-size: 15px; }
    .about-hero-stats { flex-direction: row; flex-wrap: wrap; gap: 20px 32px; }

    .about-overview-text h2 { font-size: 24px; }

    .about-tech .section-title h2,
    .about-why .section-title h2,
    .about-vision-inner h2 { font-size: 24px; }

    .about-cta-inner { padding: 28px 20px; }
    .about-cta-text h3 { font-size: 20px; }
}