* {
    box-sizing: border-box
}

:root {
    --primary: #102c46;
    --dark: #071c2e;
    --gold: #b38b45;
    --gold-light: #d4b477;
    --text: #263746;
    --muted: #71808d;
    --border: #e3e8ec
}

body {
    margin: 0;
    background: #fff;
    color: var(--text);
    font-family: Inter, Arial, sans-serif
}

.publications-page {
    overflow: hidden
}

.publications-page .container {
    width: 100%;
    max-width: 1220px;
    margin: auto;
    padding: 0 20px
}

.publication-hero {
    position: relative;
    min-height: 480px;
    display: flex;
    align-items: center;
    overflow: hidden;
    background: var(--dark)
}

.hero-image,
.hero-overlay {
    position: absolute;
    inset: 0
}

.hero-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    opacity: .72
}

.hero-overlay {
    background: linear-gradient(90deg, rgba(5, 23, 39, .98) 0%, rgba(8, 31, 50, .94) 42%, rgba(13, 49, 73, .48) 100%)
}

.hero-content {
    position: relative;
    z-index: 2;
    padding: 90px 20px
}

.hero-small {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 22px;
    color: var(--gold-light);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 3px;
    text-transform: uppercase
}

.hero-small:before {
    content: "";
    width: 45px;
    height: 1px;
    background: var(--gold-light)
}

.hero-content h1 {
    margin: 0 0 20px;
    color: #fff;
    font-family: "Playfair Display", Georgia, serif;
    font-size: clamp(50px, 7vw, 84px);
    font-weight: 500;
    line-height: 1.05
}

.hero-content p {
    max-width: 780px;
    margin: 0;
    color: rgba(255, 255, 255, .78);
    font-size: 15px;
    line-height: 1.9
}

.hero-line {
    width: 75px;
    height: 3px;
    margin-top: 28px;
    background: var(--gold)
}

.publication-stat-area {
    position: relative;
    z-index: 5;
    margin-top: -62px
}

.publication-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    background: #fff;
    border: 1px solid var(--border);
    box-shadow: 0 20px 60px rgba(12, 34, 52, .1)
}

.publication-stat {
    text-align: center;
    padding: 30px 20px;
    border-right: 1px solid var(--border)
}

.publication-stat:last-child {
    border: 0
}

.publication-stat strong {
    display: block;
    margin-bottom: 8px;
    color: var(--primary);
    font: 500 38px/1 "Playfair Display", Georgia, serif
}

.publication-stat span {
    color: var(--muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase
}

.publication-main {
    padding: 105px 0 90px;
    background: linear-gradient(180deg, #fff, #f8fafb)
}

.publication-top {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 40px;
    margin-bottom: 45px
}

.section-label {
    display: block;
    margin-bottom: 9px;
    color: var(--gold);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 2px;
    text-transform: uppercase
}

.publication-top h2 {
    margin: 0 0 13px;
    color: var(--primary);
    font: 500 43px "Playfair Display", Georgia, serif
}

.publication-top p {
    max-width: 720px;
    margin: 0;
    color: var(--muted);
    font-size: 14px;
    line-height: 1.8
}

.publication-search {
    position: relative;
    width: 350px;
    flex-shrink: 0
}

.publication-search i {
    position: absolute;
    left: 18px;
    top: 50%;
    transform: translateY(-50%);
    color: #7d8a95
}

.publication-search input {
    width: 100%;
    height: 54px;
    padding: 0 18px 0 48px;
    border: 1px solid var(--border);
    outline: 0;
    background: #fff;
    font-size: 13px
}

.publication-search input:focus {
    border-color: var(--gold);
    box-shadow: 0 0 0 3px rgba(179, 139, 69, .1)
}

.publication-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 65px;
    padding-bottom: 22px;
    border-bottom: 1px solid var(--border)
}

.publication-filter-btn {
    padding: 11px 18px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--muted);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .8px;
    cursor: pointer;
    transition: .3s
}

.publication-filter-btn:hover,
.publication-filter-btn.active {
    border-color: var(--primary);
    background: var(--primary);
    color: #fff
}

.publication-group {
    margin-bottom: 85px
}

.publication-section-banner {
    position: relative;
    min-height: 245px;
    margin-bottom: 25px;
    overflow: hidden;
    background: var(--primary)
}

.publication-section-image {
    position: absolute;
    inset: 0
}

.publication-section-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: .75;
    transition: transform .7s
}

.publication-section-banner:hover img {
    transform: scale(1.05)
}

.publication-section-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(90deg, rgba(5, 24, 40, .98), rgba(7, 30, 48, .9) 32%, rgba(8, 35, 55, .62) 62%, rgba(8, 35, 55, .18))
}

.publication-section-content {
    position: relative;
    z-index: 2;
    min-height: 245px;
    display: flex;
    align-items: center;
    gap: 30px;
    padding: 40px 55px
}

.publication-section-number {
    flex-shrink: 0;
    color: rgba(255, 255, 255, .32);
    font: 500 56px/1 "Playfair Display", Georgia, serif
}

.publication-section-content .section-label {
    color: var(--gold-light)
}

.publication-section-content h3 {
    margin: 0 0 12px;
    color: #fff;
    font: 500 clamp(28px, 4vw, 40px) "Playfair Display", Georgia, serif
}

.publication-section-content p {
    max-width: 680px;
    margin: 0;
    color: rgba(255, 255, 255, .72);
    font-size: 13px;
    line-height: 1.8
}

.publication-list {
    display: flex;
    flex-direction: column;
    gap: 13px
}

.publication-card {
    position: relative;
    display: grid;
    grid-template-columns: 85px 1fr;
    overflow: hidden;
    background: #fff;
    border: 1px solid var(--border);
    transition: .3s
}

.publication-card:before {
    content: "";
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--gold);
    transform: scaleY(0);
    transform-origin: bottom;
    transition: .3s
}

.publication-card:hover {
    transform: translateY(-3px);
    border-color: #d5dce2;
    box-shadow: 0 18px 45px rgba(15, 35, 52, .08)
}

.publication-card:hover:before {
    transform: scaleY(1)
}

.publication-number {
    display: flex;
    justify-content: center;
    padding-top: 28px;
    background: #fafcfd;
    border-right: 1px solid var(--border);
    color: #a3afb8;
    font: 17px "Playfair Display", Georgia, serif
}

.publication-content {
    padding: 27px 31px
}

.publication-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 11px
}

.publication-type {
    color: var(--gold);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase
}

.publication-year {
    padding: 5px 9px;
    background: #f0f4f6;
    color: var(--primary);
    font-size: 10px;
    font-weight: 800
}

.publication-title {
    margin-bottom: 12px;
    color: var(--primary);
    font-size: 17px;
    font-weight: 650;
    line-height: 1.55
}

.publication-authors {
    margin-bottom: 7px;
    color: #536575;
    font-size: 12px;
    line-height: 1.7
}

.publication-journal {
    color: #778692;
    font-size: 12px;
    line-height: 1.7;
    font-style: italic
}

.publication-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-top: 18px;
    padding-top: 14px;
    border-top: 1px solid #edf0f2
}

.publication-doi {
    color: #89959e;
    font-size: 10px;
    line-height: 1.5
}

.publication-bottom a {
    display: inline-flex;
    gap: 7px;
    color: var(--primary);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: .8px;
    text-transform: uppercase;
    text-decoration: none
}

.publication-bottom a:hover {
    color: var(--gold)
}

.books-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px
}

.book-card {
    display: grid;
    grid-template-columns: 62px 1fr;
    gap: 20px;
    padding: 28px;
    background: #fff;
    border: 1px solid var(--border);
    transition: .3s
}

.book-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 15px 40px rgba(15, 35, 52, .08)
}

.book-icon {
    width: 58px;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: #f5f1e9;
    color: var(--gold);
    font-size: 22px
}

.book-year {
    display: block;
    margin-bottom: 7px;
    color: var(--gold);
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 1.5px;
    text-transform: uppercase
}

.book-title {
    margin-bottom: 9px;
    color: var(--primary);
    font: 500 19px/1.45 "Playfair Display", Georgia, serif
}

.book-description {
    color: var(--muted);
    font-size: 12px;
    line-height: 1.7
}

.no-results {
    display: none;
    padding: 80px 20px;
    text-align: center
}

.no-results i {
    color: var(--gold);
    font-size: 35px
}

.no-results h3 {
    margin: 15px 0 8px;
    color: var(--primary);
    font: 500 25px "Playfair Display", Georgia, serif
}

.no-results p {
    color: var(--muted);
    font-size: 13px
}

@media(max-width:991px) {
    .publication-stats {
        grid-template-columns: repeat(2, 1fr)
    }

    .publication-stat:nth-child(2) {
        border-right: 0
    }

    .publication-stat:nth-child(-n+2) {
        border-bottom: 1px solid var(--border)
    }

    .publication-top {
        align-items: flex-start;
        flex-direction: column
    }

    .publication-search {
        width: 100%
    }

    .books-grid {
        grid-template-columns: 1fr
    }
}

@media(max-width:767px) {
    .publication-hero {
        min-height: 400px
    }

    .hero-content {
        padding: 70px 20px
    }

    .hero-content h1 {
        font-size: 52px
    }

    .publication-main {
        padding: 75px 0
    }

    .publication-top h2 {
        font-size: 35px
    }

    .publication-section-content {
        min-height: 280px;
        align-items: flex-start;
        flex-direction: column;
        justify-content: center;
        gap: 15px;
        padding: 30px 25px
    }

    .publication-section-number {
        font-size: 36px
    }

    .publication-section-content h3 {
        font-size: 29px
    }

    .publication-card {
        grid-template-columns: 55px 1fr
    }

    .publication-content {
        padding: 22px 18px
    }

    .publication-bottom {
        align-items: flex-start;
        flex-direction: column
    }
}

@media(max-width:480px) {
    .publications-page .container {
        padding-left: 15px;
        padding-right: 15px
    }

    .publication-stats {
        grid-template-columns: 1fr
    }

    .publication-stat {
        border-right: 0 !important;
        border-bottom: 1px solid var(--border)
    }

    .publication-stat:last-child {
        border-bottom: 0
    }

    .publication-card {
        grid-template-columns: 43px 1fr
    }

    .publication-number {
        padding-top: 22px;
        font-size: 14px
    }

    .publication-content {
        padding: 19px 14px
    }

    .publication-meta {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px
    }

    .publication-filter-btn {
        flex: 1 1 auto;
        padding: 10px;
        font-size: 9px
    }

    .book-card {
        grid-template-columns: 50px 1fr;
        padding: 20px;
        gap: 15px
    }

    .book-icon {
        width: 48px;
        height: 48px;
        font-size: 18px
    }

    .book-title {
        font-size: 17px
    }
}