/* ==========================================
   BiSTEM24 ABOUT PAGE
   Brand colours: Navy, Blue, Orange, White
   ========================================== */

:root {
    --about-navy: #182f55;
    --about-blue: #2479ad;
    --about-orange: #ed7d24;
    --about-white: #ffffff;
    --about-text: #344256;
    --about-muted: #637083;
    --about-light: #f3f7fa;
    --about-border: #dce5ec;
    --about-shadow: 0 10px 28px rgba(24, 47, 85, 0.08);
}

.about-page,
.about-page * {
    box-sizing: border-box;
}

.about-page {
    width: 100%;
    margin: 0;
    padding: 0;
    background: var(--about-white);
    color: var(--about-text);
    font-family: Arial, Helvetica, sans-serif;
}

.about-page h1,
.about-page h2,
.about-page h3,
.about-page h4,
.about-page p {
    overflow-wrap: break-word;
}

/* ==========================================
   ABOUT INTRODUCTION
   ========================================== */

.about-intro-section {
    width: 100%;
    padding: 64px 24px 76px;
    background: var(--about-white);
}

.about-intro-container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
}

.about-heading {
    margin: 0 auto 44px;
    text-align: center;
}

.about-eyebrow {
    display: inline-block;
    margin: 0 0 12px;
    color: var(--about-orange);
    font-size: 13px;
    font-weight: 800;
    letter-spacing: 2px;
    line-height: 1.5;
    text-transform: uppercase;
}

.about-heading h1 {
    margin: 0 0 18px;
    color: var(--about-navy);
    font-size: clamp(34px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.2;
}

.about-heading h1::after {
    display: block;
    width: 66px;
    height: 4px;
    margin: 18px auto 0;
    border-radius: 4px;
    background: var(--about-orange);
    content: "";
}

.about-heading-text {
    max-width: 760px;
    margin: 0 auto;
    color: var(--about-muted);
    font-size: 18px;
    line-height: 1.75;
}

/* Hide decorative About heading image if present */

.about-title-image,
.about-heading > img {
    display: none !important;
}

/* ==========================================
   VISION
   ========================================== */

.vision-content {
    width: 100%;
}

.vision-block {
    padding: 32px 36px;
    border-left: 5px solid var(--about-orange);
    border-radius: 0 10px 10px 0;
    background: var(--about-light);
}

.vision-block h2 {
    margin: 0 0 16px;
    color: var(--about-navy);
    font-size: 30px;
    font-weight: 800;
    line-height: 1.3;
}

.vision-block p {
    margin: 0;
    color: var(--about-text);
    font-size: 16px;
    line-height: 1.9;
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
    margin-top: 24px;
}

.vision-card {
    min-width: 0;
    padding: 28px;
    border: 1px solid var(--about-border);
    border-radius: 12px;
    background: var(--about-white);
    box-shadow: var(--about-shadow);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.vision-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(24, 47, 85, 0.12);
}

.vision-number {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--about-orange);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;
    line-height: 1.5;
}

.vision-card h3 {
    margin: 0 0 14px;
    color: var(--about-navy);
    font-size: 22px;
    font-weight: 800;
    line-height: 1.4;
}

.vision-card p {
    margin: 0;
    color: var(--about-text);
    font-size: 15px;
    line-height: 1.85;
}

/* ==========================================
   LEADERSHIP SECTION
   ========================================== */

.leadership-section {
    width: 100%;
    padding: 70px 24px 80px;
    background: var(--about-light);
}

.leadership-container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
}

.leadership-heading {
    margin: 0 auto 48px;
    text-align: center;
}

.leadership-title {
    margin: 0;
    color: var(--about-navy);
    font-size: clamp(32px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.25;
}

.leadership-title::after {
    display: block;
    width: 66px;
    height: 4px;
    margin: 18px auto 0;
    border-radius: 4px;
    background: var(--about-orange);
    content: "";
}

.leadership-intro {
    max-width: 720px;
    margin: 20px auto 0;
    color: var(--about-muted);
    font-size: 16px;
    line-height: 1.8;
}

/* Each leader is a two-column card */

.leader-card {
    display: grid;
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(30px, 5vw, 64px);
    align-items: center;
    margin: 0 0 40px;
    padding: 34px;
    border: 1px solid var(--about-border);
    border-radius: 16px;
    background: var(--about-white);
    box-shadow: var(--about-shadow);
}

.leader-card:last-child {
    margin-bottom: 0;
}

/* Alternate the second and subsequent profiles */

.leader-card:nth-of-type(even) .leader-image-column {
    order: 2;
}

.leader-card:nth-of-type(even) .leader-content {
    order: 1;
}

.leader-image-column {
    width: 100%;
    min-width: 0;
    margin: 0;
}

.leader-image {
    display: block;
    width: 100%;
    max-width: 420px;
    aspect-ratio: 4 / 5;
    margin: 0 auto;
    border: 1px solid var(--about-border);
    border-radius: 14px;
    background: var(--about-light);
    object-fit: cover;
    object-position: center top;
}

.leader-content {
    min-width: 0;
}

.leader-role-label {
    display: inline-block;
    margin-bottom: 12px;
    color: var(--about-orange);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1.5px;
    line-height: 1.6;
}

.leader-content h3 {
    margin: 0 0 10px;
    color: var(--about-navy);
    font-size: clamp(25px, 3vw, 32px);
    font-weight: 800;
    line-height: 1.3;
}

.leader-content h4 {
    margin: 0 0 18px;
    color: var(--about-blue);
    font-size: 17px;
    font-weight: 700;
    line-height: 1.6;
}

.leader-content p {
    margin: 0 0 16px;
    color: var(--about-text);
    font-size: 15px;
    line-height: 1.9;
}

.leader-content p:last-child {
    margin-bottom: 0;
}

.leader-content .leader-subtitle {
    margin: 0 0 20px;
    padding-left: 14px;
    border-left: 3px solid var(--about-orange);
    color: var(--about-muted);
    font-weight: 600;
}

/* Leadership links */

.learn-more-button {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    justify-content: center;
    margin-top: 10px;
    padding: 12px 24px;
    border: 2px solid var(--about-orange);
    border-radius: 5px;
    background: var(--about-orange);
    color: var(--about-white);
    font-size: 12px;
    font-weight: 800;
    letter-spacing: 1px;
    line-height: 1.4;
    text-align: center;
    text-decoration: none;
    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        transform 0.2s ease;
}

.learn-more-button:hover {
    transform: translateY(-2px);
    border-color: var(--about-navy);
    background: var(--about-navy);
    color: var(--about-white);
}

/* ==========================================
   RESPONSIVE TABLET
   ========================================== */

@media (max-width: 900px) {
    .about-intro-section {
        padding: 52px 22px 60px;
    }

    .leadership-section {
        padding: 58px 22px 64px;
    }

    .leader-card {
        gap: 28px;
        padding: 26px;
    }

    .leader-content h3 {
        font-size: 26px;
    }

    .leader-content p {
        font-size: 14px;
        line-height: 1.8;
    }
}

/* ==========================================
   RESPONSIVE MOBILE
   ========================================== */

@media (max-width: 650px) {
    .about-intro-section {
        padding: 42px 18px 48px;
    }

    .about-heading {
        margin-bottom: 30px;
    }

    .about-heading h1 {
        font-size: 34px;
    }

    .about-heading-text {
        font-size: 16px;
        line-height: 1.7;
    }

    .vision-block {
        padding: 24px 20px;
    }

    .vision-block h2 {
        font-size: 26px;
    }

    .vision-block p {
        font-size: 15px;
        line-height: 1.8;
    }

    .vision-grid {
        grid-template-columns: 1fr;
        gap: 16px;
        margin-top: 16px;
    }

    .vision-card {
        padding: 23px;
    }

    .vision-card h3 {
        font-size: 21px;
    }

    .leadership-section {
        padding: 46px 18px 52px;
    }

    .leadership-heading {
        margin-bottom: 32px;
    }

    .leadership-title {
        font-size: 32px;
    }

    .leadership-intro {
        font-size: 15px;
    }

    .leader-card {
        grid-template-columns: minmax(0, 1fr);
        gap: 24px;
        margin-bottom: 24px;
        padding: 20px;
        border-radius: 12px;
    }

    .leader-card:nth-of-type(even) .leader-image-column,
    .leader-card:nth-of-type(even) .leader-content {
        order: initial;
    }

    .leader-image {
        width: 100%;
        max-width: 340px;
        aspect-ratio: 4 / 4.2;
    }

    .leader-content h3 {
        font-size: 25px;
    }

    .leader-content h4 {
        font-size: 16px;
    }

    .leader-content p {
        font-size: 14px;
        line-height: 1.8;
    }
}

/* Small phones */

@media (max-width: 400px) {
    .about-heading h1 {
        font-size: 30px;
    }

    .vision-block {
        padding: 21px 17px;
    }

    .vision-card {
        padding: 20px;
    }

    .leader-card {
        padding: 16px;
    }

    .leader-content h3 {
        font-size: 23px;
    }

    .learn-more-button {
        width: 100%;
    }
}

/* Respect reduced-motion settings */

@media (prefers-reduced-motion: reduce) {
    .vision-card,
    .learn-more-button {
        transition: none;
    }
}