/* =========================================================
   BCRLS LIBRARY PAGE — library.css
   Styles only the Library page content.
   Works together with shared style.css and the existing
   BCRLS header/footer.
   Three segments:
   01. Academic Journal
   02. Reports and Documents
   03. E-Books
========================================================= */

/* PAGE BASE */
.library-page {
    min-height: 100vh;
    background: var(--white);
    color: var(--text);
}

.library-page main {
    overflow: hidden;
}

/* HERO */
.library-hero {
    position: relative;
    padding: 125px 0 90px;
    background:
        radial-gradient(circle at 82% 25%, rgba(41,150,111,.13), transparent 30%),
        linear-gradient(135deg, #f5faf7 0%, #ffffff 55%, #eef7f2 100%);
    border-bottom: 1px solid var(--border);
}

.library-hero::before,
.library-hero::after {
    content: "";
    position: absolute;
    border: 1px solid rgba(24,123,89,.08);
    border-radius: 50%;
    pointer-events: none;
}

.library-hero::before {
    top: -180px;
    right: -120px;
    width: 480px;
    height: 480px;
}

.library-hero::after {
    bottom: -140px;
    left: -120px;
    width: 360px;
    height: 360px;
}

.library-hero .container {
    position: relative;
    z-index: 2;
}

.library-hero-content {
    max-width: 850px;
}

.library-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 18px;
    color: var(--primary);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase;
}

.library-eyebrow::before {
    content: "";
    width: 28px;
    height: 1px;
    background: var(--primary);
}

.library-hero h1 {
    max-width: 820px;
    margin: 0;
    color: var(--dark);
    font-family: "Playfair Display", serif;
    font-size: clamp(44px, 6vw, 72px);
    font-weight: 600;
    line-height: 1.08;
    letter-spacing: -2px;
}

.library-hero h1 span {
    color: var(--primary);
}

.library-hero p {
    max-width: 700px;
    margin-top: 22px;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.9;
}

/* INTRO + SEARCH */
.library-intro {
    padding: 80px 0 35px;
    background: var(--white);
}

.library-intro-grid {
    display: grid;
    grid-template-columns: 1.25fr .75fr;
    gap: 55px;
    align-items: end;
}

.library-intro h2 {
    max-width: 700px;
    margin: 0;
    color: var(--dark);
    font-family: "Playfair Display", serif;
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 600;
    line-height: 1.18;
    letter-spacing: -1px;
}

.library-intro p {
    max-width: 700px;
    margin-top: 15px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.8;
}

.library-search {
    display: flex;
    align-items: stretch;
    width: 100%;
    min-height: 50px;
    background: var(--white);
    border: 1px solid var(--border-dark);
    border-radius: 13px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(28,91,69,.06);
}

.library-search input {
    width: 100%;
    min-width: 0;
    padding: 0 16px;
    color: var(--dark);
    background: transparent;
    border: 0;
    outline: 0;
    font-family: inherit;
    font-size: 12px;
}

.library-search input::placeholder {
    color: var(--muted);
}

.library-search button {
    flex: 0 0 auto;
    min-width: 105px;
    padding: 0 18px;
    color: var(--white);
    background: var(--primary);
    border: 0;
    cursor: pointer;
    font-family: inherit;
    font-size: 11px;
    font-weight: 700;
    transition: background var(--transition), transform var(--transition);
}

.library-search button:hover {
    background: var(--primary-dark);
}

/* THREE-SEGMENT QUICK NAVIGATION */
.library-segment-nav {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 15px;
    padding: 25px 0 70px;
}

.library-segment-nav a {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    min-height: 75px;
    padding: 18px 20px;
    color: var(--dark);
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 14px;
    box-shadow: 0 8px 24px rgba(28,91,69,.04);
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition), color var(--transition);
}

.library-segment-nav a:hover,
.library-segment-nav a.active {
    color: var(--primary);
    border-color: var(--border-dark);
    transform: translateY(-3px);
    box-shadow: var(--shadow-sm);
}

.library-segment-nav .segment-number {
    color: var(--primary);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .8px;
}

.library-segment-nav .segment-title {
    flex: 1;
    font-size: 12px;
    font-weight: 700;
    line-height: 1.4;
}

.library-segment-nav i {
    color: var(--primary);
    font-size: 11px;
}

/* RESOURCE SEGMENT */
.library-segment {
    padding: 80px 0;
    border-top: 1px solid var(--border);
}

.library-segment:nth-of-type(even) {
    background: #f8fbf9;
}

.library-segment-header {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 35px;
    margin-bottom: 38px;
}

.library-segment-heading {
    max-width: 700px;
}

.library-segment-number {
    display: block;
    margin-bottom: 10px;
    color: var(--primary);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.3px;
}

.library-segment-header h2 {
    margin: 0;
    color: var(--dark);
    font-family: "Playfair Display", serif;
    font-size: clamp(30px, 4vw, 46px);
    font-weight: 600;
    line-height: 1.18;
    letter-spacing: -.8px;
}

.library-segment-header p {
    max-width: 520px;
    margin-top: 10px;
    color: var(--muted);
    font-size: 12px;
    line-height: 1.75;
}

/* RESOURCE CARDS */
.library-resource-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
}

.library-resource-card {
    position: relative;
    min-width: 0;
    display: flex;
    flex-direction: column;
    min-height: 245px;
    padding: 25px;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: 18px;
    box-shadow: 0 10px 28px rgba(28,91,69,.04);
    overflow: hidden;
    transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.library-resource-card::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.library-resource-card:hover {
    border-color: var(--border-dark);
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.library-resource-card:hover::before {
    transform: scaleX(1);
}

/* CARD TOP */
.library-resource-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 22px;
}

.library-resource-type {
    color: var(--primary);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.library-resource-icon {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary);
    background: var(--primary-light);
    border: 1px solid var(--border);
    border-radius: 12px;
}

.library-resource-icon i {
    font-size: 16px;
}

/* CARD CONTENT */
.library-resource-card h3 {
    margin: 0;
    color: var(--dark);
    font-family: "Playfair Display", serif;
    font-size: 21px;
    font-weight: 600;
    line-height: 1.3;
}

.library-resource-card p {
    margin-top: 10px;
    color: var(--muted);
    font-size: 11px;
    line-height: 1.75;
}

.library-resource-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 15px;
}

.library-resource-meta span {
    display: inline-flex;
    align-items: center;
    min-height: 24px;
    padding: 4px 9px;
    color: var(--primary-dark);
    background: var(--primary-light);
    border-radius: 999px;
    font-size: 8px;
    font-weight: 700;
    letter-spacing: .5px;
    text-transform: uppercase;
}

/* OPEN RESOURCE BUTTON */
.library-resource-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    width: fit-content;
    margin-top: auto;
    padding-top: 22px;
    color: var(--primary);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .5px;
    text-transform: uppercase;
    transition: gap var(--transition), color var(--transition);
}

.library-resource-link:hover {
    gap: 12px;
    color: var(--primary-dark);
}

.library-resource-link i {
    font-size: 10px;
}

/* ANCHOR TARGETS */
#academic-journals,
#reports,
#books {
    scroll-margin-top: 100px;
}

/* EXTERNAL RESOURCE NOTE */
.library-external-note {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    margin-top: 45px;
    color: var(--muted);
    font-size: 10px;
    line-height: 1.6;
    text-align: center;
}

.library-external-note i {
    color: var(--primary);
}

/* TABLET */
@media screen and (max-width: 1000px) {
    .library-hero {
        padding: 110px 0 75px;
    }

    .library-intro-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .library-segment-nav {
        grid-template-columns: 1fr;
    }

    .library-segment-header {
        align-items: flex-start;
        flex-direction: column;
        gap: 15px;
    }
}

/* MOBILE */
@media screen and (max-width: 768px) {
    .library-hero {
        padding: 95px 0 65px;
    }

    .library-hero h1 {
        font-size: clamp(38px, 11vw, 56px);
        letter-spacing: -1.2px;
        line-height: 1.12;
    }

    .library-hero p {
        margin-top: 18px;
        font-size: 12px;
        line-height: 1.75;
    }

    .library-intro {
        padding: 60px 0 25px;
    }

    .library-intro h2 {
        font-size: 34px;
    }

    .library-segment-nav {
        padding: 20px 0 50px;
        gap: 10px;
    }

    .library-segment-nav a {
        min-height: 65px;
        padding: 15px 16px;
    }

    .library-segment {
        padding: 60px 0;
    }

    .library-segment-header {
        margin-bottom: 28px;
    }

    .library-segment-header h2 {
        font-size: 32px;
    }

    .library-resource-grid {
        grid-template-columns: 1fr;
        gap: 14px;
    }

    .library-resource-card {
        min-height: 220px;
        padding: 21px;
        border-radius: 16px;
    }

    .library-resource-card h3 {
        font-size: 19px;
    }
}

/* SMALL MOBILE */
@media screen and (max-width: 480px) {
    .library-hero {
        padding: 85px 0 55px;
    }

    .library-hero h1 {
        font-size: 38px;
    }

    .library-eyebrow {
        font-size: 9px;
    }

    .library-intro {
        padding-top: 50px;
    }

    .library-intro h2 {
        font-size: 29px;
    }

    .library-search {
        flex-direction: column;
    }

    .library-search input {
        min-height: 48px;
    }

    .library-search button {
        width: 100%;
        min-height: 44px;
    }

    .library-segment {
        padding: 50px 0;
    }

    .library-segment-header h2 {
        font-size: 29px;
    }

    .library-resource-card {
        min-height: 210px;
        padding: 18px;
    }

    .library-resource-card h3 {
        font-size: 18px;
    }

    .library-resource-link {
        font-size: 9px;
    }
}