body {
    font-family: polymath-display, sans-serif;
    margin: 0;
    padding: 0;
}

/* ===========================
   Intro Section
   =========================== */
.intro-section {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 90vh;
    padding: 20px 0 60px;
    /* The cover image is injected inline per project (see generateProjectBanner) */
    background-color: #f5f5f5;
}

/* --- Top bar --- */
.intro-topbar {
    padding: 15px 20px;
}

.intro-topbar__breadcrumb {
    font-size: 0.8rem;
    color: var(--color-primary, #4a2c2a);
    letter-spacing: 0.5px;
    /* First letter of each word uppercase, rest lowercase */
    text-transform: capitalize;
}

.intro-topbar__breadcrumb strong {
    font-weight: 700;
}

.intro-topbar__year {
    font-size: 0.8rem;
    color: var(--color-primary, #4a2c2a);
    letter-spacing: 0.5px;
}

/* --- Main content --- */
.intro-content {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px 20px;
}

.intro-content__heading {
    font-family: polymath-display, sans-serif;
    font-weight: 300;
    font-style: normal;
    font-size: 1.8rem;
    color: var(--color-primary, #4a2c2a);
    line-height: 1.3;
    margin-bottom: 24px;
}

.intro-content__description {
    font-size: 0.85rem;
    color: #555;
    line-height: 1.7;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.intro-content__cta {
    display: inline-block;
    background-color: var(--color-primary, #4a2c2a);
    color: #fff;
    font-size: 0.9rem;
    font-weight: 600;
    padding: 14px 40px;
    border-radius: 50px;
    text-decoration: none;
    transition: background-color 0.3s ease, transform 0.2s ease;
}

.intro-content__cta:hover {
    background-color: var(--color-primary-dark, #3a1f1e);
    color: #fff;
    text-decoration: none;
    transform: translateY(-1px);
}

/* ===========================
   Tablet and up (min-width: 768px)
   =========================== */
@media (min-width: 768px) {
    .intro-section {
        padding: 30px 0 80px;
    }

    .intro-topbar {
        padding: 20px 40px;
    }

    .intro-content__heading {
        font-size: 2.4rem;
    }

    .intro-content__description {
        font-size: 0.9rem;
    }
}

/* ===========================
   Desktop and up (min-width: 992px)
   =========================== */
@media (min-width: 992px) {
    .intro-section {
        padding: 30px 0 100px;
    }

    .intro-topbar {
        padding: 25px 60px;
    }

    .intro-content__heading {
        font-size: 2.8rem;
        margin-bottom: 30px;
    }

    .intro-content__description {
        font-size: 0.95rem;
        max-width: 700px;
    }

    .intro-content__cta {
        padding: 16px 50px;
        font-size: 0.95rem;
    }
}

/* ===========================
   Large desktop (min-width: 1200px)
   =========================== */
@media (min-width: 1200px) {
    .intro-content__heading {
        font-size: 3rem;
    }

    .intro-content__description {
        max-width: 750px;
    }
}