/* ============================================================
   ScienceZone Premium — OJS 3.4 theme
   A modern, accessible, conference-grade design.
   ============================================================ */

:root {
    --sz-base:        #1A2C42;
    --sz-base-900:    #0F1F33;
    --sz-base-800:    #18293F;
    --sz-base-700:    #233A57;
    --sz-base-600:    #2E5A88;
    --sz-base-500:    #3E7CB1;
    --sz-base-100:    #E6ECF3;
    --sz-base-50:     #F4F7FB;

    --sz-accent:      #D4AF37;
    --sz-accent-700:  #B8941F;
    --sz-accent-100:  #FBF3D9;

    --sz-bg:          #F7F8FB;
    --sz-bg-2:        #EEF1F6;
    --sz-surface:     #FFFFFF;
    --sz-surface-2:   #F4F6F9;
    --sz-border:      #E2E6EC;
    --sz-border-strong: #C9D0DA;

    --sz-text:        #1F2937;
    --sz-text-muted:  #5C6878;
    --sz-text-subtle: #8B95A4;
    --sz-link:        var(--sz-base-600);
    --sz-link-hover:  var(--sz-base);

    --sz-radius-sm: 6px;
    --sz-radius:    12px;
    --sz-radius-lg: 20px;
    --sz-radius-xl: 28px;
    --sz-radius-pill: 999px;

    --sz-shadow-sm: 0 1px 2px rgba(15, 23, 42, .04), 0 1px 1px rgba(15, 23, 42, .03);
    --sz-shadow:    0 4px 12px rgba(15, 23, 42, .06), 0 2px 4px rgba(15, 23, 42, .04);
    --sz-shadow-lg: 0 12px 32px rgba(15, 23, 42, .10), 0 4px 8px rgba(15, 23, 42, .05);
    --sz-shadow-xl: 0 24px 48px rgba(15, 23, 42, .14);

    --sz-font-body: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --sz-font-head: 'Crimson Pro', Georgia, 'Times New Roman', serif;
    --sz-font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;

    --sz-container: 1280px;
    --sz-content:   980px;

    --sz-ease: cubic-bezier(.22, .61, .36, 1);
    --sz-dur: 240ms;
}

body[style*="--sz-typography: modern-sans"] { --sz-font-head: var(--sz-font-body); }
body[style*="--sz-typography: classic-serif"] { --sz-font-body: var(--sz-font-head); }

/* ============================================================
   Reset / base
   ============================================================ */
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }

body.sz-theme,
body.pkp_page {
    margin: 0;
    background: var(--sz-bg);
    color: var(--sz-text);
    font-family: var(--sz-font-body);
    font-size: 16px;
    line-height: 1.65;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
}

img, svg { max-width: 100%; height: auto; vertical-align: middle; }

a {
    color: var(--sz-link);
    text-decoration: none;
    transition: color var(--sz-dur) var(--sz-ease);
}
a:hover { color: var(--sz-link-hover); }
a:focus-visible {
    outline: 3px solid var(--sz-accent);
    outline-offset: 3px;
    border-radius: 4px;
}

::selection { background: var(--sz-accent); color: var(--sz-base); }

/* ============================================================
   Typography
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--sz-font-head);
    color: var(--sz-base);
    font-weight: 700;
    line-height: 1.18;
    letter-spacing: -0.012em;
    margin: 0 0 .6em;
}
h1 { font-size: clamp(2rem, 4vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 2.8vw, 2.25rem); }
h3 { font-size: clamp(1.2rem, 1.8vw, 1.55rem); }
h4 { font-size: 1.1rem; }

p { margin: 0 0 1em; }
.lead { font-size: 1.15rem; color: var(--sz-text-muted); line-height: 1.55; }
.sz-prose { color: var(--sz-text); line-height: 1.7; max-width: 760px; margin: 0 auto; }
.sz-prose p { margin: 0 0 1.1em; }
.sz-prose a { color: var(--sz-base-600); text-decoration: underline; text-underline-offset: 3px; }

/* Skip link */
.skip-link,
.cmp_skip_to_content a {
    position: absolute; left: -9999px; top: 0; z-index: 9999;
    background: var(--sz-base); color: #fff; padding: 12px 18px;
    border-radius: 0 0 12px 0; font-weight: 600;
}
.skip-link:focus, .cmp_skip_to_content a:focus { left: 0; }

/* ============================================================
   Top utility bar
   ============================================================ */
.sz-topbar {
    background: var(--sz-base-900);
    color: rgba(255, 255, 255, .78);
    font-size: .82rem;
    border-bottom: 1px solid rgba(255, 255, 255, .05);
}
.sz-topbar__inner {
    max-width: var(--sz-container);
    margin: 0 auto;
    padding: 8px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
}
.sz-topbar__pill {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 2px 0; color: rgba(255, 255, 255, .82);
}
.sz-topbar__dot {
    width: 7px; height: 7px; border-radius: 50%;
    background: #4ADE80;
    box-shadow: 0 0 0 3px rgba(74, 222, 128, .18);
    animation: szPulse 2.2s infinite;
}
@keyframes szPulse {
    0%, 100% { transform: scale(1); opacity: 1; }
    50%      { transform: scale(1.15); opacity: .7; }
}
.sz-topbar__right { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.sz-topbar__link {
    color: rgba(255, 255, 255, .78);
    display: inline-flex; align-items: center; gap: 6px;
    transition: color var(--sz-dur) var(--sz-ease);
}
.sz-topbar__link:hover { color: var(--sz-accent); text-decoration: none; }

/* ============================================================
   Header
   ============================================================ */
.pkp_structure_head,
.sz-header {
    background: var(--sz-surface);
    border-bottom: 1px solid var(--sz-border);
    box-shadow: var(--sz-shadow-sm);
    position: sticky; top: 0; z-index: 100;
    backdrop-filter: saturate(180%) blur(14px);
    -webkit-backdrop-filter: saturate(180%) blur(14px);
    background: rgba(255, 255, 255, .95);
}
.sz-header.is-scrolled { box-shadow: var(--sz-shadow); }

.pkp_head_wrapper,
.sz-header__wrapper {
    max-width: var(--sz-container);
    margin: 0 auto;
    padding: 18px 24px;
    display: flex;
    align-items: center;
    gap: 28px;
    flex-wrap: wrap;
}

/* Brand */
.pkp_site_name_wrapper,
.sz-brand {
    display: flex;
    align-items: center;
    gap: 14px;
    min-width: 0;
    flex: 0 1 auto;
}
.pkp_site_name,
.sz-brand__name {
    display: flex;
    align-items: center;
    min-width: 0;
}
.pkp_site_name a.is_img,
.sz-brand__logo {
    display: inline-block;
    line-height: 0;
}
.pkp_site_name a.is_img img,
.sz-brand__logo img {
    max-height: 64px;
    width: auto;
    display: block;
}
.pkp_site_name a.is_text,
.sz-brand__text {
    font-family: var(--sz-font-head);
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--sz-base) !important;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 12px;
    line-height: 1.2;
}
.sz-brand__mark {
    width: 42px; height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--sz-base) 0%, var(--sz-base-600) 100%);
    color: var(--sz-accent);
    display: inline-flex; align-items: center; justify-content: center;
    font-family: var(--sz-font-head); font-weight: 700; font-size: 1.1rem;
    letter-spacing: 0;
    box-shadow: var(--sz-shadow);
}

/* Hamburger (mobile only) */
.pkp_site_nav_toggle,
.sz-nav-toggle {
    display: none;
    background: var(--sz-surface-2);
    border: 1px solid var(--sz-border);
    border-radius: var(--sz-radius-sm);
    padding: 10px;
    cursor: pointer;
    flex-direction: column;
    justify-content: center;
    gap: 4px;
    width: 42px; height: 42px;
}
.pkp_site_nav_toggle span,
.sz-nav-toggle__bar {
    display: block;
    width: 18px; height: 2px;
    background: var(--sz-base);
    border-radius: 1px;
}
.pkp_site_nav_toggle span:not(.sr-only) { display: none; }

/* Nav wrapper */
.pkp_site_nav_menu,
.sz-nav-wrap {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 16px;
}
.pkp_navigation_primary_row,
.sz-nav-row { display: flex; align-items: center; flex: 1; justify-content: flex-end; }

.pkp_navigation_primary_wrapper,
.sz-nav-primary { display: flex; align-items: center; gap: 4px; }

/* Primary nav links */
ul.pkp_navigation_primary,
ul.sz-nav {
    display: flex;
    align-items: center;
    gap: 2px;
    margin: 0;
    padding: 0;
    list-style: none;
}
ul.pkp_navigation_primary > li,
ul.sz-nav > li {
    list-style: none;
    margin: 0;
    position: relative;
}
ul.pkp_navigation_primary a,
ul.sz-nav a {
    display: inline-flex;
    align-items: center;
    padding: 10px 14px;
    color: var(--sz-text);
    font-weight: 500;
    font-size: .94rem;
    border-radius: var(--sz-radius-sm);
    transition: background var(--sz-dur) var(--sz-ease), color var(--sz-dur) var(--sz-ease);
    text-decoration: none;
}
ul.pkp_navigation_primary a:hover,
ul.sz-nav a:hover,
ul.pkp_navigation_primary a:focus-visible {
    background: var(--sz-base-50);
    color: var(--sz-base);
}
ul.pkp_navigation_primary li.current > a { background: var(--sz-base-100); color: var(--sz-base); }

/* Search trigger */
.pkp_navigation_search_wrapper,
.sz-nav-search { margin-left: 6px; }
.pkp_search.pkp_search_desktop,
.sz-search-trigger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 9px 14px;
    background: var(--sz-surface-2);
    color: var(--sz-base);
    font-weight: 600;
    font-size: .9rem;
    border-radius: var(--sz-radius-pill);
    border: 1px solid var(--sz-border);
    text-decoration: none;
    transition: all var(--sz-dur) var(--sz-ease);
}
.sz-search-trigger:hover { background: var(--sz-surface); border-color: var(--sz-base-500); color: var(--sz-base); }

/* User nav */
.pkp_navigation_user_wrapper,
.sz-nav-user { display: flex; align-items: center; gap: 6px; }
ul.pkp_navigation_user,
ul.sz-user-menu {
    display: flex; align-items: center; gap: 4px;
    margin: 0; padding: 0; list-style: none;
}
ul.pkp_navigation_user li,
ul.sz-user-menu li { margin: 0; list-style: none; }
ul.pkp_navigation_user a,
ul.sz-user-menu a {
    padding: 9px 14px;
    color: var(--sz-text-muted);
    font-size: .9rem;
    font-weight: 500;
    border-radius: var(--sz-radius-sm);
    text-decoration: none;
    transition: all var(--sz-dur) var(--sz-ease);
}
ul.pkp_navigation_user a:hover,
ul.sz-user-menu a:hover { background: var(--sz-surface-2); color: var(--sz-base); }
ul.pkp_navigation_user li:last-child a,
ul.sz-user-menu li:last-child a {
    background: var(--sz-base);
    color: #fff !important;
    font-weight: 600;
    padding: 10px 18px;
    border-radius: var(--sz-radius-pill);
}
ul.pkp_navigation_user li:last-child a:hover,
ul.sz-user-menu li:last-child a:hover {
    background: var(--sz-base-700);
    transform: translateY(-1px);
}

/* ============================================================
   Hero
   ============================================================ */
.sz-hero {
    position: relative;
    overflow: hidden;
    padding: 90px 24px 110px;
    margin-left: calc(50% - 50vw);
    margin-right: calc(50% - 50vw);
    width: 100vw;
    background: linear-gradient(135deg, var(--sz-base) 0%, var(--sz-base-900) 100%);
    color: #F4F7FB;
    isolation: isolate;
}
.sz-hero__bg {
    position: absolute; inset: 0;
    z-index: -1;
    overflow: hidden;
}
.sz-hero__blob {
    position: absolute;
    border-radius: 50%;
    filter: blur(60px);
    opacity: .55;
}
.sz-hero__blob--1 {
    width: 480px; height: 480px;
    background: radial-gradient(circle, rgba(212, 175, 55, .55) 0%, transparent 70%);
    top: -120px; right: -100px;
}
.sz-hero__blob--2 {
    width: 380px; height: 380px;
    background: radial-gradient(circle, rgba(62, 124, 177, .65) 0%, transparent 70%);
    bottom: -100px; left: -80px;
}
.sz-hero__pattern {
    position: absolute; inset: 0;
    background-image:
        radial-gradient(circle at 1px 1px, rgba(255,255,255,.05) 1px, transparent 0);
    background-size: 32px 32px;
    opacity: .5;
}

.sz-hero__inner {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
    text-align: center;
}
.sz-hero__inner--journal {
    max-width: var(--sz-container);
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 48px;
    align-items: center;
    text-align: left;
}
.sz-hero__copy { min-width: 0; }
.sz-hero__cover {
    display: flex;
    justify-content: center;
    align-items: center;
}
.sz-hero__cover-link {
    display: inline-block;
    position: relative;
    transform: rotate(-2deg);
    transition: transform var(--sz-dur) var(--sz-ease);
}
.sz-hero__cover-link:hover {
    transform: rotate(0) scale(1.02);
}
.sz-hero__cover-link img {
    display: block;
    max-width: 340px;
    width: 100%;
    max-height: 460px;
    object-fit: cover;
    border-radius: var(--sz-radius);
    box-shadow:
        0 24px 64px rgba(0, 0, 0, .4),
        0 8px 24px rgba(0, 0, 0, .25),
        0 0 0 1px rgba(255, 255, 255, .08);
}
.sz-hero__cover-tag {
    position: absolute;
    top: 14px; left: -10px;
    background: var(--sz-accent);
    color: var(--sz-base);
    padding: 6px 14px;
    font-weight: 700;
    font-size: .78rem;
    letter-spacing: .08em;
    text-transform: uppercase;
    border-radius: var(--sz-radius-sm);
    box-shadow: 0 4px 12px rgba(0, 0, 0, .3);
}

.sz-hero__eyebrow {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: .18em;
    font-size: .78rem;
    font-weight: 700;
    color: var(--sz-accent);
    padding: 6px 14px;
    border: 1px solid rgba(212, 175, 55, .4);
    border-radius: var(--sz-radius-pill);
    margin-bottom: 22px;
    background: rgba(212, 175, 55, .07);
}
.sz-hero__title {
    font-family: var(--sz-font-head);
    font-size: clamp(2.2rem, 5vw, 3.6rem);
    font-weight: 700;
    margin: 0 0 18px;
    color: #fff;
    letter-spacing: -0.018em;
    line-height: 1.08;
}
.sz-hero__subtitle {
    font-size: clamp(1rem, 1.4vw, 1.18rem);
    color: rgba(244, 247, 251, .82);
    max-width: 720px;
    margin: 0 0 32px;
    line-height: 1.6;
}
.sz-hero__inner .sz-hero__subtitle { margin-left: auto; margin-right: auto; }
.sz-hero__inner--journal .sz-hero__subtitle { margin-left: 0; margin-right: 0; }

.sz-hero__cta {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 12px;
    justify-content: center;
}
.sz-hero__inner--journal .sz-hero__cta { justify-content: flex-start; }

.sz-hero__stats {
    display: flex;
    justify-content: center;
    gap: 48px;
    margin-top: 56px;
    flex-wrap: wrap;
}
.sz-stat { text-align: center; }
.sz-stat__num {
    font-family: var(--sz-font-head);
    font-size: clamp(1.8rem, 3vw, 2.4rem);
    color: var(--sz-accent);
    font-weight: 700;
    line-height: 1.1;
}
.sz-stat__label {
    color: rgba(244, 247, 251, .65);
    font-size: .85rem;
    margin-top: 4px;
    text-transform: uppercase;
    letter-spacing: .1em;
}

/* ============================================================
   Buttons
   ============================================================ */
.sz-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 13px 26px;
    border-radius: var(--sz-radius-pill);
    font-weight: 600;
    font-size: .98rem;
    text-decoration: none;
    transition: transform var(--sz-dur) var(--sz-ease),
                box-shadow var(--sz-dur) var(--sz-ease),
                background var(--sz-dur) var(--sz-ease),
                color var(--sz-dur) var(--sz-ease);
    border: 1px solid transparent;
    cursor: pointer;
    line-height: 1;
    white-space: nowrap;
}
.sz-btn:hover { transform: translateY(-2px); text-decoration: none; }
.sz-btn--primary {
    background: var(--sz-accent);
    color: var(--sz-base) !important;
    box-shadow: 0 8px 20px rgba(212, 175, 55, .35);
}
.sz-btn--primary:hover {
    background: #E5C04A;
    color: var(--sz-base) !important;
    box-shadow: 0 12px 28px rgba(212, 175, 55, .45);
}
.sz-btn--ghost {
    background: rgba(255, 255, 255, .06);
    color: #fff !important;
    border-color: rgba(255, 255, 255, .35);
    backdrop-filter: blur(8px);
}
.sz-btn--ghost:hover {
    background: rgba(255, 255, 255, .14);
    color: #fff !important;
    border-color: rgba(255, 255, 255, .6);
}

/* ============================================================
   Page wrappers
   ============================================================ */
.pkp_structure_content,
.sz-structure-content {
    max-width: var(--sz-container);
    margin: 0 auto;
    padding: 0 24px;
}
.pkp_structure_main,
.sz-structure-main {
    padding: 0;
    margin: 0;
}

.sz-page-content {
    max-width: var(--sz-container);
    margin: 0 auto;
    padding: 56px 0 0;
}

.sz-content-grid {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    max-width: 100% !important;
    padding: 0 !important;
}
.sz-content-main { min-width: 0; }
.sz-sidebar { min-width: 0; }

/* ============================================================
   Section
   ============================================================ */
.sz-section { margin: 56px 0 72px; }
.sz-section--about { margin: 72px 0; }

.sz-section__heading {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    margin-bottom: 32px;
    gap: 16px;
    flex-wrap: wrap;
}
.sz-section__heading--centered {
    flex-direction: column; align-items: center; text-align: center;
}
.sz-section__eyebrow {
    display: inline-block;
    text-transform: uppercase;
    letter-spacing: .15em;
    font-size: .75rem;
    font-weight: 700;
    color: var(--sz-accent-700);
    margin-bottom: 8px;
}
.sz-section__title {
    font-family: var(--sz-font-head);
    font-size: clamp(1.7rem, 2.6vw, 2.1rem);
    color: var(--sz-base);
    margin: 0;
    position: relative;
    padding-bottom: 14px;
}
.sz-section__title::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 56px; height: 3px;
    background: var(--sz-accent);
    border-radius: 2px;
}
.sz-section__heading--centered .sz-section__title::after { left: 50%; transform: translateX(-50%); }
.sz-section__link {
    color: var(--sz-base-600);
    font-weight: 600;
    font-size: .92rem;
    display: inline-flex; align-items: center; gap: 6px;
    transition: gap var(--sz-dur) var(--sz-ease);
    text-decoration: none;
}
.sz-section__link:hover { color: var(--sz-base); gap: 10px; }

/* ============================================================
   Site index: journal cards with real thumbnails
   ============================================================ */
.sz-journals-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
    gap: 32px;
}
.sz-journal-card {
    position: relative;
    background: var(--sz-surface);
    border-radius: var(--sz-radius-lg);
    overflow: hidden;
    box-shadow: var(--sz-shadow);
    transition: transform var(--sz-dur) var(--sz-ease),
                box-shadow var(--sz-dur) var(--sz-ease);
    border: 1px solid var(--sz-border);
    display: flex; flex-direction: column;
}
.sz-journal-card:hover { transform: translateY(-6px); box-shadow: var(--sz-shadow-xl); }

.sz-journal-card__media {
    display: block;
    position: relative;
    aspect-ratio: 16 / 9;
    background: linear-gradient(135deg, var(--sz-base) 0%, var(--sz-base-600) 100%);
    overflow: hidden;
}
.sz-journal-card__media img {
    width: 100%; height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 600ms var(--sz-ease);
}
.sz-journal-card:hover .sz-journal-card__media img { transform: scale(1.04); }
.sz-journal-card__media::after {
    content: '';
    position: absolute; inset: 0;
    background: linear-gradient(180deg, transparent 50%, rgba(15, 31, 51, .55) 100%);
    pointer-events: none;
}
.sz-journal-card__media-fallback {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    color: var(--sz-accent);
    font-family: var(--sz-font-head);
    font-size: 3rem;
    font-weight: 700;
    letter-spacing: .04em;
    background: linear-gradient(135deg, var(--sz-base) 0%, var(--sz-base-600) 100%);
}
.sz-journal-card__acronym {
    position: absolute;
    bottom: 16px; left: 18px;
    background: rgba(212, 175, 55, .98);
    color: var(--sz-base);
    padding: 6px 14px;
    border-radius: var(--sz-radius-pill);
    font-weight: 700;
    font-size: .82rem;
    letter-spacing: .08em;
    z-index: 2;
    box-shadow: 0 4px 12px rgba(0, 0, 0, .25);
}

.sz-journal-card__body {
    padding: 26px 28px 28px;
    flex: 1;
    display: flex; flex-direction: column;
}
.sz-journal-card__title {
    font-family: var(--sz-font-head);
    font-size: 1.4rem;
    color: var(--sz-base);
    margin: 0 0 10px;
    line-height: 1.25;
}
.sz-journal-card__title a { color: inherit; text-decoration: none; }
.sz-journal-card__title a:hover { color: var(--sz-base-600); }
.sz-journal-card__desc {
    color: var(--sz-text-muted);
    margin: 0 0 22px;
    flex: 1;
    font-size: .96rem;
    line-height: 1.6;
}
.sz-journal-card__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 14px;
    padding-top: 18px;
    border-top: 1px solid var(--sz-border);
}
.sz-journal-card__cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--sz-base);
    font-weight: 700;
    text-decoration: none;
    transition: gap var(--sz-dur) var(--sz-ease);
}
.sz-journal-card__cta:hover { color: var(--sz-base-600); gap: 12px; }
.sz-journal-card__link {
    color: var(--sz-text-muted);
    font-size: .9rem;
    font-weight: 500;
    text-decoration: none;
    padding: 4px 0;
    transition: color var(--sz-dur) var(--sz-ease);
}
.sz-journal-card__link:hover { color: var(--sz-base); }

/* ============================================================
   Features strip
   ============================================================ */
.sz-feature-strip {
    background: var(--sz-surface);
    border-radius: var(--sz-radius-lg);
    padding: 40px 36px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 32px;
    margin: 72px 0;
    border: 1px solid var(--sz-border);
    box-shadow: var(--sz-shadow-sm);
}
.sz-feature { text-align: left; }
.sz-feature__icon {
    width: 48px; height: 48px;
    background: var(--sz-base-50);
    color: var(--sz-base);
    border-radius: var(--sz-radius);
    display: inline-flex; align-items: center; justify-content: center;
    margin-bottom: 16px;
}
.sz-feature__title {
    font-family: var(--sz-font-head);
    font-size: 1.15rem;
    color: var(--sz-base);
    margin: 0 0 6px;
    font-weight: 700;
}
.sz-feature__text {
    color: var(--sz-text-muted);
    font-size: .94rem;
    line-height: 1.55;
    margin: 0;
}

/* ============================================================
   Announcements
   ============================================================ */
.sz-announcements {
    display: grid;
    gap: 14px;
}
.sz-announcement {
    background: var(--sz-surface);
    border: 1px solid var(--sz-border);
    border-left: 4px solid var(--sz-accent);
    border-radius: var(--sz-radius);
    padding: 20px 24px;
    transition: all var(--sz-dur) var(--sz-ease);
}
.sz-announcement:hover {
    box-shadow: var(--sz-shadow);
    border-left-color: var(--sz-base-600);
}
.sz-announcement__date {
    display: block;
    font-size: .82rem;
    color: var(--sz-text-subtle);
    text-transform: uppercase;
    letter-spacing: .08em;
    margin-bottom: 8px;
}
.sz-announcement__title {
    font-family: var(--sz-font-head);
    font-size: 1.15rem;
    color: var(--sz-base);
    margin: 0 0 8px;
}
.sz-announcement__title a { color: inherit; text-decoration: none; }
.sz-announcement__title a:hover { color: var(--sz-base-600); }
.sz-announcement__excerpt { color: var(--sz-text-muted); margin: 0; font-size: .94rem; }

/* ============================================================
   Article lists (issue TOC)
   ============================================================ */
.obj_article_summary {
    background: var(--sz-surface);
    border: 1px solid var(--sz-border);
    border-radius: var(--sz-radius);
    padding: 24px 28px;
    margin: 0 0 16px;
    transition: all var(--sz-dur) var(--sz-ease);
}
.obj_article_summary:hover {
    border-color: var(--sz-base-500);
    box-shadow: var(--sz-shadow);
}
.obj_article_summary .title {
    font-family: var(--sz-font-head);
    font-size: 1.2rem;
    line-height: 1.35;
    margin: 0 0 8px;
}
.obj_article_summary .title a {
    color: var(--sz-base);
    text-decoration: none;
}
.obj_article_summary .title a:hover {
    color: var(--sz-base-600);
}
.obj_article_summary .meta,
.obj_article_summary .authors {
    color: var(--sz-text-muted);
    font-size: .92rem;
    margin: 0;
}
.obj_article_summary .galleys_links a,
.obj_galley_link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    background: var(--sz-base);
    color: #fff !important;
    border-radius: var(--sz-radius-pill);
    font-weight: 600;
    font-size: .85rem;
    text-decoration: none !important;
    transition: all var(--sz-dur) var(--sz-ease);
    margin: 8px 6px 0 0;
}
.obj_article_summary .galleys_links a:hover,
.obj_galley_link:hover { background: var(--sz-base-700); transform: translateY(-1px); }

/* Issue table of contents */
.obj_issue_toc .section h2 {
    font-family: var(--sz-font-head);
    color: var(--sz-base);
    border-bottom: 2px solid var(--sz-accent);
    padding-bottom: 8px;
    margin-bottom: 16px;
    font-size: 1.3rem;
}
.obj_issue_summary, .obj_issue_toc {
    background: transparent;
    padding: 0;
}

/* ============================================================
   Forms
   ============================================================ */
input[type="text"], input[type="email"], input[type="password"],
input[type="search"], input[type="url"], input[type="number"],
input[type="tel"], textarea, select, .pkp_form input, .pkp_form textarea, .pkp_form select {
    background: var(--sz-surface);
    border: 1px solid var(--sz-border-strong);
    border-radius: var(--sz-radius-sm);
    padding: 10px 14px;
    font: inherit;
    color: var(--sz-text);
    transition: border-color var(--sz-dur) var(--sz-ease), box-shadow var(--sz-dur) var(--sz-ease);
    max-width: 100%;
}
input:focus, textarea:focus, select:focus {
    outline: none;
    border-color: var(--sz-base-500);
    box-shadow: 0 0 0 3px rgba(62, 124, 177, .18);
}

button, .pkp_button, input[type="submit"], input[type="button"] {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 10px 22px;
    background: var(--sz-base);
    color: #fff;
    border: 1px solid var(--sz-base);
    border-radius: var(--sz-radius-sm);
    font-weight: 600;
    font-size: .95rem;
    cursor: pointer;
    transition: all var(--sz-dur) var(--sz-ease);
}
button:hover, .pkp_button:hover, input[type="submit"]:hover {
    background: var(--sz-base-700);
    border-color: var(--sz-base-700);
}
.pkp_button.pkp_button_offset {
    background: transparent;
    color: var(--sz-base);
    border-color: var(--sz-base);
}
.pkp_button.pkp_button_offset:hover { background: var(--sz-base-50); }

/* ============================================================
   Sidebar blocks
   ============================================================ */
.pkp_block {
    background: var(--sz-surface);
    border: 1px solid var(--sz-border);
    border-radius: var(--sz-radius);
    padding: 22px;
    margin-bottom: 18px;
}
.pkp_block .title {
    font-family: var(--sz-font-head);
    color: var(--sz-base);
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 14px;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--sz-accent);
}
.pkp_block ul { list-style: none; padding: 0; margin: 0; }
.pkp_block li { margin: 6px 0; }

/* ============================================================
   Article view (single)
   ============================================================ */
.item.abstract {
    background: var(--sz-surface);
    border: 1px solid var(--sz-border);
    border-radius: var(--sz-radius);
    padding: 26px;
    margin: 24px 0;
}
.item.abstract .label {
    color: var(--sz-base-600);
    font-weight: 700;
    font-family: var(--sz-font-head);
    font-size: 1.1rem;
    margin-bottom: 10px;
}

/* ============================================================
   Footer
   ============================================================ */
.pkp_structure_footer_wrapper,
.sz-footer {
    background: var(--sz-base-900);
    color: rgba(244, 247, 251, .72);
    padding: 0;
    margin-top: 96px;
}

.sz-footer__top {
    padding: 64px 24px 48px;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
}
.sz-footer__inner {
    max-width: var(--sz-container);
    margin: 0 auto;
}

/* Callout band */
.sz-footer__callout {
    background: linear-gradient(135deg, var(--sz-base-700) 0%, var(--sz-base-800) 100%);
    border-radius: var(--sz-radius-lg);
    padding: 36px 40px;
    margin-bottom: 56px;
    display: grid;
    grid-template-columns: 1.6fr 1fr;
    gap: 32px;
    align-items: center;
    box-shadow: 0 24px 56px rgba(0, 0, 0, .35), inset 0 1px 0 rgba(255, 255, 255, .06);
    position: relative;
    overflow: hidden;
}
.sz-footer__callout::before {
    content: '';
    position: absolute;
    top: -50%; right: -10%;
    width: 380px; height: 380px;
    background: radial-gradient(circle, rgba(212, 175, 55, .18) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.sz-footer__callout-title {
    font-family: var(--sz-font-head);
    color: #fff;
    font-size: clamp(1.5rem, 2.4vw, 1.9rem);
    margin: 0 0 8px;
}
.sz-footer__callout-sub {
    color: rgba(255, 255, 255, .72);
    margin: 0;
    font-size: 1rem;
    line-height: 1.55;
}
.sz-footer__callout-actions {
    display: flex; gap: 12px; flex-wrap: wrap;
    justify-content: flex-end;
}

/* Footer grid */
.sz-footer__grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 40px;
}
.sz-footer__col--brand .sz-footer__logo { display: inline-block; line-height: 0; margin-bottom: 18px; }
.sz-footer__col--brand .sz-footer__logo img { max-height: 64px; width: auto; filter: brightness(1.1); }
.sz-footer__brand-name {
    color: #fff; font-family: var(--sz-font-head);
    font-size: 1.5rem; font-weight: 700; margin-bottom: 12px;
}
.sz-footer__brand-text {
    color: rgba(255, 255, 255, .65);
    line-height: 1.65;
    font-size: .93rem;
    max-width: 380px;
}
.sz-footer__heading {
    color: #fff;
    font-family: var(--sz-font-head);
    font-size: 1.05rem;
    margin: 0 0 18px;
    font-weight: 700;
    letter-spacing: .01em;
    position: relative;
    padding-bottom: 10px;
}
.sz-footer__heading::after {
    content: '';
    position: absolute;
    bottom: 0; left: 0;
    width: 32px; height: 2px;
    background: var(--sz-accent);
    border-radius: 1px;
}
.sz-footer__list {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.sz-footer__list a {
    color: rgba(255, 255, 255, .65);
    font-size: .93rem;
    text-decoration: none;
    transition: color var(--sz-dur) var(--sz-ease);
}
.sz-footer__list a:hover { color: var(--sz-accent); }

.sz-footer__badges {
    display: flex; flex-wrap: wrap; gap: 8px;
    margin-top: 22px;
}
.sz-footer__badge {
    display: inline-flex; align-items: center; gap: 6px;
    padding: 6px 12px;
    background: rgba(255, 255, 255, .05);
    border: 1px solid rgba(255, 255, 255, .12);
    border-radius: var(--sz-radius-pill);
    font-size: .78rem;
    color: rgba(255, 255, 255, .78);
}
.sz-footer__badge span:first-child {
    width: 18px; height: 18px;
    background: var(--sz-accent);
    color: var(--sz-base);
    border-radius: 50%;
    display: inline-flex; align-items: center; justify-content: center;
    font-size: .7rem; font-weight: 700;
    font-family: var(--sz-font-head);
}

.sz-footer__custom {
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid rgba(255, 255, 255, .06);
    color: rgba(255, 255, 255, .55);
    font-size: .88rem;
}
.sz-footer__custom img { max-height: 48px; opacity: .8; }
.sz-footer__custom a { color: rgba(255, 255, 255, .8); }

/* Bottom strip */
.sz-footer__bottom {
    padding: 18px 24px;
    background: rgba(0, 0, 0, .25);
}
.sz-footer__bottom-inner {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: .85rem;
    color: rgba(255, 255, 255, .55);
}
.sz-footer__bottom a { color: rgba(255, 255, 255, .78); text-decoration: none; }
.sz-footer__bottom a:hover { color: var(--sz-accent); }

/* ============================================================
   Pagination
   ============================================================ */
.cmp_pagination, .pkp_pagination {
    display: flex; gap: 4px; justify-content: center; margin: 40px 0;
}
.cmp_pagination a, .cmp_pagination span, .pkp_pagination a {
    padding: 8px 14px;
    border-radius: var(--sz-radius-sm);
    color: var(--sz-base);
    border: 1px solid var(--sz-border);
    background: var(--sz-surface);
    text-decoration: none;
    font-weight: 500;
}
.cmp_pagination a:hover, .pkp_pagination a:hover {
    background: var(--sz-base-50);
    border-color: var(--sz-base-500);
}
.cmp_pagination .current, .pkp_pagination .current {
    background: var(--sz-base);
    color: #fff;
    border-color: var(--sz-base);
}

/* ============================================================
   Breadcrumbs
   ============================================================ */
.pkp_structure_main .pkp_breadcrumbs,
nav.cmp_breadcrumbs {
    margin-bottom: 24px;
    font-size: .9rem;
    color: var(--sz-text-muted);
}
.pkp_breadcrumbs ol { list-style: none; padding: 0; margin: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.pkp_breadcrumbs li:not(:last-child)::after { content: '/'; margin-left: 8px; color: var(--sz-text-subtle); }

/* ============================================================
   Tables
   ============================================================ */
table {
    border-collapse: collapse; width: 100%;
    background: var(--sz-surface);
    border-radius: var(--sz-radius);
    overflow: hidden;
    box-shadow: var(--sz-shadow-sm);
    border: 1px solid var(--sz-border);
}
table th {
    background: var(--sz-surface-2);
    color: var(--sz-base);
    font-weight: 600;
    text-align: left;
    padding: 12px 16px;
    border-bottom: 1px solid var(--sz-border);
}
table td {
    padding: 12px 16px;
    border-bottom: 1px solid var(--sz-border);
}

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 1024px) {
    .sz-hero__inner--journal {
        grid-template-columns: 1fr;
        text-align: center;
    }
    .sz-hero__inner--journal .sz-hero__cta { justify-content: center; }
    .sz-hero__cover-link { transform: rotate(0); }
    .sz-footer__grid { grid-template-columns: 1fr 1fr; }
    .sz-footer__callout { grid-template-columns: 1fr; text-align: center; }
    .sz-footer__callout-actions { justify-content: center; }
    .sz-content-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
    .pkp_head_wrapper, .sz-header__wrapper {
        padding: 14px 18px;
        flex-wrap: wrap;
    }
    .pkp_site_nav_toggle, .sz-nav-toggle { display: inline-flex; }
    .pkp_site_nav_menu, .sz-nav-wrap { width: 100%; order: 99; display: none; flex-direction: column; align-items: stretch; }
    .pkp_site_nav_menu.is-open, .sz-nav-wrap.is-open { display: flex; }
    .pkp_navigation_primary_row, .sz-nav-row { width: 100%; }
    .pkp_navigation_primary, .sz-nav { flex-direction: column; width: 100%; gap: 4px; }
    .pkp_navigation_user_wrapper, .sz-nav-user { width: 100%; justify-content: center; padding-top: 8px; border-top: 1px solid var(--sz-border); margin-top: 8px; }
    .sz-hero { padding: 56px 18px 64px; }
    .sz-hero__stats { gap: 28px; margin-top: 36px; }
    .sz-journals-grid { grid-template-columns: 1fr; gap: 24px; }
    .sz-feature-strip { padding: 28px 24px; gap: 24px; }
    .sz-footer__top { padding: 48px 18px 32px; }
    .sz-footer__grid { grid-template-columns: 1fr; gap: 32px; }
    .sz-footer__callout { padding: 28px 24px; margin-bottom: 40px; }
    .sz-page-content { padding: 32px 18px 0; }
    .pkp_structure_content { padding: 0 16px; }
}

/* ============================================================
   Reduced motion + print
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}
@media print {
    .pkp_structure_head, .sz-header, .pkp_structure_footer_wrapper, .sz-footer, .pkp_block, .sz-hero, .sz-topbar { display: none !important; }
    body { background: #fff; color: #000; font-size: 11pt; }
    a { color: #000; text-decoration: underline; }
}

/* ============================================================
   Dark mode
   ============================================================ */
@media (prefers-color-scheme: dark) {
    :root {
        --sz-bg: #0E1726;
        --sz-bg-2: #131E32;
        --sz-surface: #15233A;
        --sz-surface-2: #1D2E48;
        --sz-border: #24364F;
        --sz-border-strong: #2F4666;
        --sz-text: #E8EEF7;
        --sz-text-muted: #A4B1C4;
        --sz-text-subtle: #76859B;
        --sz-link: #82B6E8;
        --sz-link-hover: #B9D7F4;
        --sz-base-50: #1A2840;
        --sz-base-100: #1F2F4A;
    }
    body.sz-theme, body.pkp_page { background: var(--sz-bg); color: var(--sz-text); }
    .pkp_structure_head, .sz-header { background: rgba(21, 35, 58, .92); border-bottom-color: var(--sz-border); }
    .sz-brand__text, .pkp_site_name a.is_text { color: #F4F7FB !important; }
    h1, h2, h3, h4 { color: #F4F7FB; }
    .sz-section__title { color: #F4F7FB; }
    .sz-card, .pkp_block, table, .obj_article_summary, .sz-feature-strip, .sz-journal-card, .sz-announcement { background: var(--sz-surface); border-color: var(--sz-border); }
    .sz-feature__title, .sz-journal-card__title, .obj_article_summary .title a, .pkp_block .title { color: #F4F7FB; }
    .sz-search-trigger { background: var(--sz-surface-2); border-color: var(--sz-border); color: #F4F7FB; }
    ul.pkp_navigation_primary a, ul.sz-nav a { color: #E8EEF7; }
    ul.pkp_navigation_primary a:hover, ul.sz-nav a:hover { background: var(--sz-surface-2); color: #F4F7FB; }
}

/* ============================================================
   Utility
   ============================================================ */
.sz-container { max-width: var(--sz-container); margin: 0 auto; padding: 0 24px; }
.sr-only {
    position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
    overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0;
}

/* Lazy reveal */
.sz-reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.6s var(--sz-ease), transform 0.6s var(--sz-ease);
    will-change: opacity, transform;
}
.sz-reveal.is-visible { opacity: 1; transform: none; }