/* =====================================================
   FORAGE AGRONOMY LAB — RESEARCH PAGE
   css/research.css
===================================================== */


/* =====================================================
   RESEARCH SECTIONS
   Alternating cream / cream-dark backgrounds
===================================================== */

.research-section {
    padding: 100px 0;
    background: var(--cream);
}

.research-section.light-section {
    background: var(--cream-dark);
}


/* =====================================================
   RESEARCH CONTENT
   Two-column grid: text + image side by side
===================================================== */

.research-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

/* Alternating layout: image left, text right */
.research-content.reverse .research-text {
    order: 2;
}

.research-content.reverse .research-image {
    order: 1;
}


/* =====================================================
   RESEARCH TEXT
===================================================== */

.research-text h2 {
    margin: 0 0 22px;
    color: var(--brown-dark);
    font-size: clamp(30px, 3.5vw, 44px);
    font-weight: 500;
    line-height: 1.12;
    letter-spacing: -0.4px;
}

.research-text p {
    margin: 0;
    color: var(--text-light);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 17px;
    line-height: 1.8;
}


/* =====================================================
   RESEARCH IMAGE
===================================================== */

.research-image {
    position: relative;
    height: 420px;
    overflow: hidden;
    background: var(--cream-dark);
    border: 1px solid var(--border-light);
    box-shadow: 0 12px 35px rgba(59, 42, 32, 0.09);
}

.research-image img {
    width: 100%;
    height: 100%;
    display: block;
    object-fit: cover;
    transition: transform 0.55s ease;
}

.research-image:hover img {
    transform: scale(1.03);
}


/* =====================================================
   PUBLICATIONS TRIGGER SECTION
===================================================== */

.pub-trigger-section {
    padding: 80px 0;
    background: var(--white);
    border-top: 1px solid var(--border-light);
}

.pub-trigger-inner {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 14px;
    text-align: center;
}

.pub-trigger-btn {
    display: inline-flex;
    align-items: center;
    gap: 18px;
    padding: 0;
    border: none;
    background: none;
    cursor: pointer;
    color: var(--brown-dark);
    transition: color 0.25s ease;
}

.pub-trigger-btn:hover {
    color: var(--green-dark);
}

.pub-trigger-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 72px;
    height: 72px;
    border-radius: 50%;
    background: var(--cream);
    border: 2px solid var(--border);
    color: var(--brown-dark);
    flex-shrink: 0;
    transition:
        background 0.3s ease,
        border-color 0.3s ease,
        color 0.3s ease,
        transform 0.3s ease;
}

.pub-trigger-icon svg {
    width: 32px;
    height: 32px;
}

.pub-trigger-btn:hover .pub-trigger-icon {
    background: var(--brown-dark);
    border-color: var(--brown-dark);
    color: var(--white);
    transform: scale(1.06);
}

.pub-trigger-btn.active .pub-trigger-icon {
    background: var(--green-dark);
    border-color: var(--green-dark);
    color: var(--white);
}

.pub-trigger-text {
    font-family: Georgia, "Times New Roman", serif;
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 500;
    letter-spacing: -0.5px;
    line-height: 1;
}

.pub-trigger-chevron svg {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

.pub-trigger-btn.active .pub-trigger-chevron svg {
    transform: rotate(180deg);
}

.pub-trigger-count {
    margin: 0;
    color: var(--text-muted);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 13px;
    letter-spacing: 0.5px;
}


/* =====================================================
   PUBLICATIONS DRAWER
===================================================== */

.pub-drawer {
    max-height: 0;
    overflow: hidden;
    background: var(--white);
    transition: max-height 0.55s cubic-bezier(0.4, 0, 0.2, 1);
}

.pub-drawer-open {
    max-height: 12000px;
    padding: 60px 0 0;
    border-top: 1px solid var(--border-light);
}

.publication-list {
    max-width: 860px;
}


/* ── Year label ── */

.publication-year {
    margin: 40px 0 0;
    padding: 0 0 12px;
    color: var(--brown-dark);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 2.5px;
    text-transform: uppercase;
    border-bottom: 2px solid var(--brown-dark);
}

.publication-list .publication-year:first-child {
    margin-top: 0;
}


/* ── Publication card — full row is clickable ── */

.pub-card {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 22px 20px;
    border-bottom: 1px solid var(--border-light);
    background: var(--white);
    text-decoration: none;
    transition:
        background 0.2s ease,
        border-color 0.2s ease,
        padding-left 0.2s ease;
}

.pub-card:hover {
    background: var(--cream);
    border-bottom-color: var(--border);
    padding-left: 26px;
}

.pub-card-body {
    flex: 1;
    min-width: 0;
}

.pub-authors {
    margin: 0 0 5px;
    color: var(--text-muted);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 13px;
    line-height: 1.5;
}

.pub-title {
    margin: 0 0 6px;
    color: var(--brown-dark);
    font-family: Georgia, "Times New Roman", serif;
    font-size: 16px;
    line-height: 1.5;
}

.pub-card:hover .pub-title {
    color: var(--green-dark);
}

.pub-journal {
    margin: 0;
    color: var(--text-light);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 13px;
    font-style: italic;
    line-height: 1.4;
}

/* Arrow indicator on the right */
.pub-card-arrow {
    flex-shrink: 0;
    font-size: 20px;
    color: var(--border);
    transition: color 0.2s ease, transform 0.2s ease;
}

.pub-card:hover .pub-card-arrow {
    color: var(--green-dark);
    transform: translateX(4px);
}


/* ── Close button ── */

.pub-drawer-close-wrap {
    padding: 50px 0 70px;
    text-align: center;
}

.pub-drawer-close {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 30px;
    border: 1px solid var(--border);
    background: var(--cream);
    color: var(--brown);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 1px;
    text-transform: uppercase;
    cursor: pointer;
    transition:
        background 0.25s ease,
        border-color 0.25s ease,
        color 0.25s ease;
}

.pub-drawer-close:hover {
    background: var(--brown-dark);
    border-color: var(--brown-dark);
    color: var(--white);
}


/* =====================================================
   ACKNOWLEDGEMENTS / FUNDING SECTION
===================================================== */

.funding-section {
    padding: 90px 0 100px;
    background: var(--cream);
    border-top: 1px solid var(--border);
}

.funding-heading {
    max-width: 600px;
    margin: 0 auto 55px;
    text-align: center;
}

.funding-heading h2 {
    margin: 0 0 12px;
    color: var(--brown-dark);
    font-size: clamp(28px, 4vw, 42px);
    font-weight: 500;
    line-height: 1.1;
}

.funding-heading p {
    margin: 0;
    color: var(--text-light);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 16px;
    line-height: 1.7;
}


/* ── Logo grid ── */

.logos-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    max-width: 900px;
    margin: 0 auto;
}

.funding-logo {
    position: relative;
    height: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 24px;
    background: var(--white);
    border: 1px solid var(--border);
    overflow: hidden;
    transition:
        transform 0.25s ease,
        box-shadow 0.25s ease,
        border-color 0.25s ease;
}

/* Green top accent line animates in on hover */
.funding-logo::before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 3px;
    background: var(--green);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.25s ease;
}

.funding-logo:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 28px rgba(59, 42, 32, 0.10);
    border-color: rgba(83, 107, 69, 0.25);
}

.funding-logo:hover::before {
    transform: scaleX(1);
}

.funding-logo img {
    width: auto;
    height: auto;
    max-width: 160px;
    max-height: 80px;
    object-fit: contain;
}

/*
   If a logo image is missing, show a placeholder label
   so the grid layout is preserved while you upload logos.
*/
.funding-logo img[src=""],
.funding-logo img:not([src]) {
    display: none;
}

.funding-logo::after {
    content: attr(data-label);
    position: absolute;
    color: var(--text-muted);
    font-family: Arial, Helvetica, sans-serif;
    font-size: 12px;
    letter-spacing: 1px;
    text-align: center;
}


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

@media (max-width: 950px) {

    .research-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    /* On tablet, always show text first then image */
    .research-content.reverse .research-text { order: 1; }
    .research-content.reverse .research-image { order: 2; }

    .research-image { height: 360px; }

    .logos-grid { grid-template-columns: repeat(2, 1fr); }

}


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

@media (max-width: 700px) {

    .research-section { padding: 65px 0; }

    .research-content { gap: 30px; }

    .research-text h2 { font-size: 30px; }

    .research-text p { font-size: 16px; }

    .research-image { height: 280px; }

    .pub-trigger-section { padding: 60px 0; }

    .pub-trigger-icon { width: 58px; height: 58px; }
    .pub-trigger-icon svg { width: 26px; height: 26px; }
    .pub-trigger-text { font-size: 28px; }

    .pub-drawer-open { padding: 40px 0 0; }

    .pub-card { padding: 18px 14px; }
    .pub-title { font-size: 15px; }

    .funding-section { padding: 65px 0 75px; }
    .logos-grid { gap: 14px; }
    .funding-logo { height: 110px; padding: 18px; }

}


/* =====================================================
   SMALL MOBILE
===================================================== */

@media (max-width: 450px) {

    .research-section { padding: 50px 0; }
    .research-image { height: 230px; }

    .logos-grid { grid-template-columns: 1fr 1fr; gap: 10px; }
    .funding-logo { height: 100px; }

}


/* =====================================================
   REDUCED MOTION
===================================================== */

@media (prefers-reduced-motion: reduce) {

    .research-image img,
    .pub-card,
    .pub-trigger-icon,
    .pub-trigger-chevron svg,
    .funding-logo,
    .funding-logo::before {
        transition: none;
    }

    .pub-drawer {
        transition: none;
    }

}