/* =========================================
   GLOBAL HEALTH EXPLORERS
   GHBDC — GLOBAL HEALTH BIG DATA CHALLENGE
   PRODUCTION CSS V2.0
========================================= */


/* =========================================
   GLOBAL
========================================= */

.ghbdc-section {
    padding: 80px 20px;
}

.ghbdc-light-section {
    background: #f4f9fc;
}

.ghbdc-section .container,
.ghbdc-partnership .container,
.ghbdc-future .container {
    max-width: 1150px;
    margin: 0 auto;
}


/* =========================================
   HERO
========================================= */

.ghbdc-hero {

    min-height: 78vh;

    background:
        linear-gradient(
            rgba(8, 48, 82, 0.72),
            rgba(8, 48, 82, 0.78)
        ),
        url("images/homepage/hero-global-health.jpg");

    background-size: cover;
    background-position: center;

    display: flex;
    align-items: center;
    justify-content: center;

    text-align: center;

    color: white;

    padding: 80px 20px;

}


.ghbdc-hero-content {
    max-width: 950px;
}


.ghbdc-kicker,
.section-kicker {

    font-size: 0.82rem;

    letter-spacing: 2px;

    font-weight: 700;

    text-transform: uppercase;

    margin-bottom: 18px;

}


.ghbdc-hero .ghbdc-kicker {
    color: #bfeaf2;
}


.ghbdc-hero h1 {

    font-size: clamp(2.5rem, 6vw, 4.5rem);

    line-height: 1.1;

    margin-bottom: 18px;

}


.ghbdc-acronym {

    font-size: 1.4rem;

    font-weight: 700;

    letter-spacing: 5px;

    margin-bottom: 22px;

    color: #8ed8e5;

}


.ghbdc-tagline {

    max-width: 800px;

    margin: 0 auto;

    font-size: 1.25rem;

    line-height: 1.8;

}


.ghbdc-hero-actions {

    display: flex;

    justify-content: center;

    gap: 16px;

    flex-wrap: wrap;

    margin-top: 35px;

}


.ghbdc-button {

    display: inline-block;

    padding: 14px 28px;

    border-radius: 30px;

    text-decoration: none;

    font-weight: 700;

    transition: 0.25s ease;

}


.ghbdc-button.primary {

    background: white;

    color: #0f4c81;

}


.ghbdc-button.secondary {

    border: 2px solid white;

    color: white;

}


.ghbdc-button:hover {

    transform: translateY(-3px);

}





/* =========================================
   SECTION HEADINGS
========================================= */

.ghbdc-section-heading {

    max-width: 850px;

    margin: 0 auto 50px;

    text-align: center;

}


.ghbdc-section-heading .section-kicker {

    color: #17a2b8;

}


.ghbdc-section-heading h2 {

    color: #0f4c81;

    font-size: clamp(2rem, 4vw, 2.8rem);

    line-height: 1.25;

    margin-bottom: 20px;

}


.ghbdc-section-heading p {

    font-size: 1.08rem;

    line-height: 1.8;

    color: #475569;

}





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

.ghbdc-introduction {

    display: grid;

    grid-template-columns: 0.9fr 1.3fr;

    gap: 60px;

    align-items: start;

}


.ghbdc-section-heading {

    text-align: left;

}


.ghbdc-introduction-text p {

    font-size: 1.08rem;

    line-height: 1.85;

    color: #334155;

    margin-bottom: 22px;

}


.ghbdc-introduction-text p:last-child {

    margin-bottom: 0;

}





/* =========================================
   GENERAL CARD
========================================= */

.ghbdc-card {

    background: white;

    border-radius: 18px;

    padding: 50px;

    box-shadow:
        0 10px 35px rgba(0, 0, 0, 0.07);

}


.ghbdc-card h2 {

    color: #0f4c81;

    font-size: 2.3rem;

    line-height: 1.3;

    margin-bottom: 25px;

}


.ghbdc-card p {

    font-size: 1.05rem;

    line-height: 1.8;

    color: #334155;

    margin-bottom: 20px;

}





/* =========================================
   WHY NOW HIGHLIGHTS
========================================= */

.ghbdc-highlight-grid {

    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 22px;

    margin-top: 35px;

}


.ghbdc-highlight {

    background: #f4f9fc;

    padding: 25px;

    border-radius: 14px;

    border-top: 4px solid #17a2b8;

}


.ghbdc-highlight h3 {

    color: #0f4c81;

    margin-bottom: 12px;

}


.ghbdc-highlight p {

    font-size: 0.95rem;

    margin-bottom: 0;

}





/* =========================================
   LEARNING JOURNEY
========================================= */

.ghbdc-journey-grid {

    display: grid;

    grid-template-columns:
        repeat(5, 1fr);

    gap: 18px;

}


.ghbdc-journey-card {

    position: relative;

    background: white;

    padding: 30px 22px;

    border-radius: 15px;

    border-top: 5px solid #0f4c81;

    box-shadow:
        0 6px 22px rgba(0,0,0,0.06);

}


.journey-number {

    display: block;

    color: #17a2b8;

    font-weight: 800;

    font-size: 0.85rem;

    letter-spacing: 1px;

    margin-bottom: 15px;

}


.ghbdc-journey-card h3 {

    color: #0f4c81;

    margin-bottom: 12px;

}


.ghbdc-journey-card p {

    color: #475569;

    line-height: 1.7;

    font-size: 0.94rem;

}





/* =========================================
   CHALLENGE DOMAINS
========================================= */

.challenge-domain-grid {

    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 25px;

}


.challenge-domain-card {

    background: white;

    padding: 30px;

    border-radius: 15px;

    border-left: 5px solid #17a2b8;

    box-shadow:
        0 6px 20px rgba(0,0,0,0.05);

    transition: 0.25s ease;

}


.challenge-domain-card:hover {

    transform: translateY(-5px);

}


.challenge-domain-card h3 {

    color: #0f4c81;

    margin-bottom: 13px;

}


.challenge-domain-card p {

    color: #475569;

    line-height: 1.7;

    font-size: 0.95rem;

}





/* =========================================
   DATA / AI / ETHICS
========================================= */

.ghbdc-ethics-card {

    border-top: 6px solid #17a2b8;

}


.ethics-principles {

    display: flex;

    flex-wrap: wrap;

    gap: 12px;

    margin-top: 30px;

}


.ethics-principles span {

    background: #e8f5f8;

    color: #0f4c81;

    padding: 10px 16px;

    border-radius: 30px;

    font-size: 0.9rem;

    font-weight: 700;

}





/* =========================================
   SKILLS
========================================= */

.skills-grid {

    display: grid;

    grid-template-columns:
        repeat(3, 1fr);

    gap: 24px;

}


.skill-card {

    background: white;

    padding: 30px;

    border-radius: 15px;

    box-shadow:
        0 6px 20px rgba(0,0,0,0.05);

    border-bottom: 4px solid #0f4c81;

}


.skill-card h3 {

    color: #0f4c81;

    margin-bottom: 12px;

}


.skill-card p {

    color: #475569;

    line-height: 1.7;

    margin-bottom: 0;

}





/* =========================================
   RECOGNITION
========================================= */

.recognition-card {

    border-left: 6px solid #0f4c81;

}


.recognition-pathway {

    display: grid;

    grid-template-columns:
        repeat(5, 1fr);

    gap: 15px;

    margin-top: 35px;

}


.recognition-pathway div {

    background: #f4f9fc;

    padding: 22px 15px;

    border-radius: 12px;

    text-align: center;

}


.recognition-pathway strong {

    display: block;

    color: #0f4c81;

    margin-bottom: 8px;

}


.recognition-pathway span {

    display: block;

    color: #64748b;

    font-size: 0.86rem;

    line-height: 1.5;

}





/* =========================================
   PARTNERSHIP
========================================= */

.ghbdc-partnership {

    padding: 90px 20px;

    background: #0f4c81;

    color: white;

}


.partnership-content {

    max-width: 900px;

    margin: auto;

    text-align: center;

}


.partnership-content .section-kicker {

    color: #8ed8e5;

}


.partnership-content h2 {

    font-size: 2.7rem;

    line-height: 1.3;

    margin-bottom: 25px;

}


.partnership-content p {

    font-size: 1.08rem;

    line-height: 1.85;

    margin-bottom: 20px;

}


.partnership-tags {

    display: flex;

    justify-content: center;

    flex-wrap: wrap;

    gap: 12px;

    margin-top: 35px;

}


.partnership-tags span {

    border: 1px solid rgba(255,255,255,0.45);

    padding: 10px 18px;

    border-radius: 30px;

    font-size: 0.9rem;

}





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

.ghbdc-future {

    padding: 90px 20px;

    background: #eaf5f8;

}


.future-content {

    max-width: 900px;

    margin: auto;

    text-align: center;

}


.future-content .section-kicker {

    color: #17a2b8;

}


.future-content h2 {

    color: #0f4c81;

    font-size: 2.6rem;

    line-height: 1.3;

    margin-bottom: 25px;

}


.future-content p {

    color: #334155;

    font-size: 1.08rem;

    line-height: 1.85;

    margin-bottom: 20px;

}


.future-signature {

    margin-top: 35px;

    color: #0f4c81 !important;

    font-size: 1.35rem !important;

    font-weight: 700;

    letter-spacing: 1px;

}





/* =========================================
   SIGNATURE
========================================= */

.ghbdc-signature {

    padding: 60px 20px;

    background: white;

    text-align: center;

}


.ghbdc-signature p {

    color: #0f4c81;

    font-size: 1.7rem;

    line-height: 1.7;

    font-style: italic;

    font-weight: 500;

}





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

@media (max-width: 1050px) {

    .ghbdc-introduction {

        grid-template-columns: 1fr;

        gap: 25px;

    }


    .ghbdc-section-heading {

        text-align: center;

    }


    .ghbdc-journey-grid {

        grid-template-columns:
            repeat(3, 1fr);

    }


    .recognition-pathway {

        grid-template-columns:
            repeat(3, 1fr);

    }

}





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

@media (max-width: 750px) {

    .ghbdc-hero {

        min-height: 70vh;

    }


    .ghbdc-hero h1 {

        font-size: 2.4rem;

    }


    .ghbdc-tagline {

        font-size: 1.05rem;

    }


    .ghbdc-section {

        padding: 60px 18px;

    }


    .ghbdc-card {

        padding: 30px 22px;

    }


    .ghbdc-highlight-grid,

    .ghbdc-journey-grid,

    .challenge-domain-grid,

    .skills-grid,

    .recognition-pathway {

        grid-template-columns: 1fr;

    }


    .partnership-content h2,

    .future-content h2 {

        font-size: 2rem;

    }


    .ghbdc-signature p {

        font-size: 1.35rem;

    }

}