.sectoral-banner-section {
    margin-top: 5rem;
    position: relative;   /* allows overlay */
    width: 100%;
    overflow: hidden;     /* prevent horizontal scroll */
}

.sectoral-heading {
    position: absolute;
    top: 50%;
    transform: translateY(-50%); /* shift up by half its height */
    left: 4rem;           /* distance from left of image */
    z-index: 10;          /* stays on top */
    font-size: 3rem;
    text-align: left;
}

.sectoral-banner {
    width: 100%;
    height: 50vh;       /* half of viewport height */
    object-fit: cover;  /* image fills container, may crop edges */
}


/* Mobile responsiveness */
@media (max-width: 1000px) {

    .sectoral-heading {
    position: absolute;
    top: 10rem;            /* distance from top of image */
    left: 2rem;           /* distance from left of image */
    text-align: left;
    width: 40%;        /* ⬅️ heading wraps inside 40% of screen */
    font-size: 2.5rem;
}
    
}


/* ======================= SECTION 1: ABOUT CONTENT ======================= */

.sectoral-content {
    display: flex;
    justify-content: center;
    padding: 6rem 2rem;
}

.sectoral-text-box {
    width: 60%;
    font-family: 'Aileron', sans-serif;
    font-size: 1.2rem;
    line-height: 1.3;
    color: #222; /* dark gray / almost black */
    max-width: 80%;
    text-align: justify;

}

.big-bullets {
  list-style: none;
  padding-left: 1.5rem;
}

.big-bullets li {
  position: relative;
  line-height: 1;
}

.big-bullets li::before {
  content: "•";
  position: absolute;
  left: -1.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.6em;
}

/* ======================= SECTION 2: Change ======================= */
.change-section {
    padding: 6rem 2rem;
    text-align: center;
    background-color: rgb(248, 247, 242);
    height: 50vh;
    text-align: center;

    display: flex;                  /* make it flex container */
    flex-direction: column;         /* stack heading and text vertically */
    justify-content: center;        /* vertical centering */
    align-items: center;            /* horizontal centering */
    padding: 0 2rem;                /* horizontal padding only */
    
}

.change-section .impact-heading {
    font-size: 3.5rem;
    color: rgb(0,50,125);
    margin-bottom: 3rem;
}

.change-text-box {
    width: 60%;
    margin: 0 auto;
    color: rgb(0,50,125);
    text-align: center;
    font-family: 'Poppins', sans-serif;
    font-size: 1.5rem;
    line-height: 1.7;
    font-weight: bold;
}




/* ======================= SECTION 3: THEORY ======================= */
.theory {
    padding: 4rem 2rem;
    text-align: center;
}

.theory h2 {
    font-size: 3rem;
    margin-bottom: 3rem;
}

.theory-image img {
    width: 70%;
    margin: 2rem auto;
    display: block;
}


/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%-- SECTION 4: Translating Impact --%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/

/* Impact Section */
.t-impact-section {
    margin-top: 3rem;
    text-align: center;
    margin-left: 5rem;
    margin-right: 5rem;
}

.t-impact-section .impact-heading {
    font-size: 2.5rem;
    color: rgb(0,50,125);
    margin: 0 auto 3rem auto;
    width: 70%;
    text-align: center;
}

/* Image container */
.t-impact-images {
    display: flex;
    width: 100%;
    height: auto;
    gap: 2rem;
    margin: 0 auto;   /* center it */
}


/* Each image wrapper */
.t-impact-item {
    position: relative;
    width: 33.33%;
    display: block;
    overflow: hidden;
    cursor: pointer;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.t-impact-item::before {
    content: "";
    position: absolute;
    inset: 0;
    background: rgba(255, 231, 200, 0.55); /* yellow overlay */
    z-index: 2;
    
}

/* Hover effect: scale up slightly */
.t-impact-item:hover {
    transform: scale(1.03);   /* adjust scale factor as desired */
    z-index: 10;              /* bring hovered item above others */
}

/* Optional: add subtle shadow on hover */
.t-impact-item:hover::before {
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

/* Image style */
.t-impact-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 1;
    opacity: 1;
}

.t-impact-item img:first-child {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
    opacity: 0.4;
    max-height: 400px;      /* set max height manually */
}

/* Text overlay */
.t-impact-text {
    position: absolute;
    top: 15%; /* align at bottom third */
    left: 0;
    width: 100%;
    padding: 1rem;
    font-family: 'Poppins', sans-serif;
    font-weight: bold;
    color: rgb(108, 66, 60);
    font-size: 1.8rem;
    line-height: 1.1;      /* decrease line spacing */
    text-align: center;      /* left-align text */
    z-index: 3;
}

.t-impact-item img.icon {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(1.8);
    width: 60px;
    height: auto;
    z-index: 5;
    opacity: 1;
}

.t-impact-text-wrapper {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 3; 
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    color: rgb(35, 35, 35);
}

.t-impact-item p {
    position: relative;
    top: 33%;       /* adjust vertical position */
    text-align: center;
    z-index: 3;
    padding: 0 1rem;
    color: rgb(36, 36, 36);
    width: 90%; 
}


@media (max-width: 1000px) {
    .t-impact-images {
        flex-direction: column;  /* stack items vertically */
        gap: 1.5rem;             /* smaller gap on mobile */
    }

    .t-impact-item {
        width: 100%;             /* full width */
    }

    .t-impact-item img:first-child {
        width: 100%;            /* full width */
        height: auto;           /* maintain aspect ratio */
        max-height: 400px;      /* set max height manually */
        object-fit: cover;      /* crop if needed */
    }

    .t-impact-item img.icon {
        transform: translate(-50%, -50%) scale(0.3);
    }
}


/*%%%%%%%%%%%%%%%%%%%%%%%%%%%%%-- SECTION 5: Descriptions --%%%%%%%%%%%%%%%%%%%%%%%%%%%%%*/

.sectoral-section {
    position: relative;
    height: 90vh;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 5rem;
    margin-left: 2rem;
    margin-right: 2rem;
    margin-bottom: 2rem;
}

/* Top-left image */
.sectoral-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 60vw;
    height: auto;
    overflow: hidden;
    z-index: 1;
}

.sectoral-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* Bottom-right yellow box */
.sectoral-box {
    position: absolute;
    bottom: 0;
    right: 0;
    width: 70vw;
    height: 70vh;
    background-color: rgb(248, 247, 242, 0.9); /* yellowish, 80% opacity */
    z-index: 2;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 2rem;
    box-sizing: border-box;
    text-align: center;
}

.sectoral-box h2 {
    font-size: 2rem;
    color: rgb(108, 66, 60);
    margin-bottom: 3rem;
    font-weight: bold;
}

.sectoral-box p {
    font-size: 1.2rem;
    color: rgb(35,35,35);
    line-height: 1.5;
    text-align: justify;
    width: 80%;
}


/* Mobile responsiveness: vertical stacking */
/* ======================= MOBILE RESPONSIVE ======================= */
@media (max-width: 1000px) {

    /* ======================= About Content ======================= */
    .sectoral-content {
        flex-direction: column;
        padding: 3rem 1rem;
    }

    .sectoral-text-box {
        width: 100%;
        max-width: 100%;
        text-align: justify;
        font-size: 1rem;
        line-height: 1.4;
    }

    .big-bullets li::before {
        left: -1rem;
        font-size: 1.2em;
    }

    /* ======================= Change Section ======================= */
    .change-section {
        padding: 3rem 1rem;
    }

    .change-section .impact-heading {
        font-size: 2.5rem;
        margin-bottom: 2rem;
    }

    .change-text-box {
        width: 90%;
        font-size: 1.2rem;
        line-height: 1.5;
    }

    /* ======================= Theory Section ======================= */
    .theory {
    padding: 2rem 0rem;
    }

    .theory h2 {
        font-size: 2.2rem;
        margin-bottom: 2rem;
    }

    .theory-image img {
        width: 90%;
    }

    /* ======================= Sectoral Sections (Descriptions) ======================= */
    .sectoral-section {
        flex-direction: column;
        height: auto;
        margin-left: 1rem;
        margin-right: 1rem;
        margin-top: 2rem;
        margin-bottom: 2rem;
        padding-bottom: 2rem;
    }

    .sectoral-image {
        position: relative;
        width: 100%;
        height: 40vh;
        margin-bottom: 1.5rem;
    }

    .sectoral-box {
        position: relative;
        width: 100%;
        height: auto;
        padding: 2rem 1rem;
        text-align: center;
        justify-content: center;
        align-items: center;
    }

    .sectoral-box h2 {
        font-size: 1.8rem;
        margin-bottom: 1.5rem;
    }

    .sectoral-box p {
        font-size: 1rem;
        text-align: center;
        width: 100%;
        line-height: 1.5;
    }
}