/*
Theme Name: NexQ Publishers
Theme URI: https://nexqpublishers.com
Author: NexQ Publishers
Author URI: https://nexqpublishers.com
Description: Custom WordPress theme for NexQ Publishers — a publisher umbrella portal with built-in Journal post type and OJS integration. Matches the official NexQ design system.
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.5
Requires PHP: 8.0
License: GPL v2 or later
Text Domain: nexq
Tags: publishing, academic, journals, custom-colors
*/

/* ============================================================
   NexQ Publishers — Master Stylesheet
   ------------------------------------------------------------
   To change brand colors, edit the CSS variables in :root below.
   Everything else in this file references those variables.
   ============================================================ */

:root {
    /* Brand */
    --color-primary: #0E2340;
    --color-primary-dark: #081626;
    --color-primary-light: #1B3A5F;
    --color-accent: #C9A961;
    --color-accent-dark: #A8893F;
    /* Neutrals */
    --color-text: #1A1A1A;
    --color-text-muted: #4A5568;
    --color-text-light: #6B7280;
    --color-border: #E2E8F0;
    --color-border-light: #EDF2F7;
    --color-bg: #FFFFFF;
    --color-bg-subtle: #F8FAFC;
    --color-bg-dark: #0E2340;
    /* Semantic */
    --color-success: #2F855A;
    --color-warning: #C05621;
    --color-link: #0066CC;
    --color-link-hover: #0052A3;
    /* Typography */
    --font-serif: 'Crimson Pro', Georgia, 'Times New Roman', serif;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    /* Layout */
    --container-max: 1280px;
    --container-narrow: 960px;
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2.5rem;
    --space-xl: 4rem;
    --space-2xl: 6rem;
    /* Effects */
    --shadow-sm: 0 1px 2px rgba(14, 35, 64, 0.05);
    --shadow-md: 0 4px 12px rgba(14, 35, 64, 0.08);
    --shadow-lg: 0 12px 32px rgba(14, 35, 64, 0.12);
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --transition: 200ms ease;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    margin: 0;
    font-family: var(--font-sans);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-bg);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-link); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-link-hover); }

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-primary);
    margin: 0 0 var(--space-sm);
    letter-spacing: -0.01em;
}
h1 { font-size: clamp(2rem, 4vw, 3.25rem); }
h2 { font-size: clamp(1.6rem, 3vw, 2.25rem); }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }
p { margin: 0 0 var(--space-sm); }

.container { max-width: var(--container-max); margin: 0 auto; padding: 0 var(--space-md); }
.container-narrow { max-width: var(--container-narrow); margin: 0 auto; padding: 0 var(--space-md); }
.section { padding: var(--space-xl) 0; }
.section-bg { background: var(--color-bg-subtle); }
.section-dark { background: var(--color-primary); color: #fff; }
.section-dark h1, .section-dark h2, .section-dark h3 { color: #fff; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 600;
    line-height: 1;
    border: 2px solid transparent;
    border-radius: var(--radius-sm);
    cursor: pointer;
    text-decoration: none;
    transition: all var(--transition);
}
.btn-primary { background: var(--color-primary); color: #fff; border-color: var(--color-primary); }
.btn-primary:hover { background: var(--color-primary-dark); border-color: var(--color-primary-dark); color: #fff; }
.btn-accent { background: var(--color-accent); color: var(--color-primary); border-color: var(--color-accent); }
.btn-accent:hover { background: var(--color-accent-dark); border-color: var(--color-accent-dark); color: #fff; }
.btn-outline { background: transparent; color: var(--color-primary); border-color: var(--color-primary); }
.btn-outline:hover { background: var(--color-primary); color: #fff; }
.btn-ghost { background: transparent; color: #fff; border-color: rgba(255,255,255,0.4); }
.btn-ghost:hover { background: rgba(255,255,255,0.1); color: #fff; border-color: #fff; }

/* Utility bar */
.utility-bar { background: var(--color-primary-dark); color: rgba(255,255,255,0.85); font-size: 0.85rem; padding: 0.5rem 0; }
.utility-bar .container { display: flex; justify-content: space-between; align-items: center; }
.utility-bar a { color: rgba(255,255,255,0.85); margin-left: var(--space-md); }
.utility-bar a:hover { color: var(--color-accent); }
.utility-bar .util-left a:first-child { margin-left: 0; }

/* Header */
.site-header { background: #fff; border-bottom: 1px solid var(--color-border); position: sticky; top: 0; z-index: 100; box-shadow: var(--shadow-sm); }
.site-header .container { display: flex; align-items: center; justify-content: space-between; padding-top: 1rem; padding-bottom: 1rem; }
.brand { display: flex; align-items: center; gap: 0.75rem; text-decoration: none; }
.brand-mark { width: 44px; height: 44px; background: var(--color-primary); color: #fff; border-radius: var(--radius-sm); display: grid; place-items: center; font-family: var(--font-serif); font-weight: 700; font-size: 1.4rem; flex-shrink: 0; overflow: hidden; }
.brand-mark img { width: 100%; height: 100%; object-fit: contain; }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-name { font-family: var(--font-serif); font-weight: 700; font-size: 1.25rem; color: var(--color-primary); }
.brand-tagline { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-muted); margin-top: 2px; }
.main-nav { display: flex; align-items: center; gap: var(--space-md); list-style: none; padding: 0; margin: 0; }
.main-nav a { color: var(--color-text); font-weight: 500; font-size: 0.95rem; padding: 0.5rem 0; position: relative; }
.main-nav a:hover { color: var(--color-primary); }
.main-nav .current-menu-item > a, .main-nav .current_page_item > a { color: var(--color-primary); }
.main-nav .current-menu-item > a::after, .main-nav .current_page_item > a::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px; background: var(--color-accent); }
.mobile-toggle { display: none; background: none; border: 0; font-size: 1.5rem; color: var(--color-primary); cursor: pointer; }

/* Hero */
.hero { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%); color: #fff; padding: var(--space-2xl) 0; position: relative; overflow: hidden; }
.hero::before { content: ''; position: absolute; top: -50%; right: -10%; width: 600px; height: 600px; background: radial-gradient(circle, rgba(201,169,97,0.15) 0%, transparent 70%); pointer-events: none; }
.hero-inner { position: relative; z-index: 1; max-width: 800px; }
.hero-eyebrow { display: inline-block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--color-accent); margin-bottom: var(--space-sm); font-weight: 600; }
.hero h1 { color: #fff; margin-bottom: var(--space-md); }
.hero-lead { font-size: 1.2rem; color: rgba(255,255,255,0.85); margin-bottom: var(--space-lg); max-width: 640px; line-height: 1.6; }
.hero-search { background: rgba(255,255,255,0.1); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.2); border-radius: var(--radius-md); padding: 0.5rem; display: flex; gap: 0.5rem; max-width: 600px; margin-bottom: var(--space-md); }
.hero-search input { flex: 1; background: transparent; border: 0; color: #fff; padding: 0.75rem 1rem; font-size: 1rem; outline: none; }
.hero-search input::placeholder { color: rgba(255,255,255,0.6); }
.hero-cta { display: flex; gap: var(--space-sm); flex-wrap: wrap; margin-top: var(--space-md); }

/* Stats strip */
.stats-strip { background: var(--color-primary-dark); color: #fff; padding: var(--space-md) 0; border-top: 1px solid rgba(255,255,255,0.1); }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--space-md); text-align: center; }
.stat-item { padding: var(--space-sm); }
.stat-number { font-family: var(--font-serif); font-size: 2.25rem; font-weight: 700; color: var(--color-accent); line-height: 1; margin-bottom: 0.25rem; }
.stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.8); text-transform: uppercase; letter-spacing: 0.05em; }

/* Section heading */
.section-heading { text-align: center; margin-bottom: var(--space-lg); }
.section-heading .eyebrow { display: inline-block; font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.15em; color: var(--color-accent-dark); font-weight: 600; margin-bottom: 0.5rem; }
.section-heading h2 { margin-bottom: 0.5rem; }
.section-heading p { color: var(--color-text-muted); max-width: 640px; margin: 0 auto; font-size: 1.05rem; }

/* Journal cards */
.journals-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: var(--space-md); }
.journal-card { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); overflow: hidden; transition: all var(--transition); display: flex; flex-direction: column; }
.journal-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-md); transform: translateY(-2px); }
.journal-cover { aspect-ratio: 16/9; background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%); color: #fff; padding: var(--space-md); position: relative; display: flex; flex-direction: column; justify-content: space-between; }
.journal-cover::after { content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0; background: radial-gradient(circle at top right, rgba(201,169,97,0.2), transparent 50%); pointer-events: none; }
.journal-cover-tag { font-size: 0.7rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-accent); font-weight: 600; position: relative; z-index: 1; }
.journal-cover-title { font-family: var(--font-serif); font-size: 1.4rem; line-height: 1.2; color: #fff; position: relative; z-index: 1; margin: 0; }
.journal-cover.theme-2 { background: linear-gradient(135deg, #1B5E5E 0%, #2D7E7E 100%); }
.journal-cover.theme-3 { background: linear-gradient(135deg, #5B2A4A 0%, #7E3D66 100%); }
.journal-cover.theme-4 { background: linear-gradient(135deg, #4A2E1B 0%, #6B4226 100%); }
.journal-card-body { padding: var(--space-md); flex: 1; display: flex; flex-direction: column; }
.journal-card-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: var(--space-xs); display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.journal-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.journal-card h3 a { color: var(--color-primary); }
.journal-card p { color: var(--color-text-muted); font-size: 0.95rem; flex: 1; margin-bottom: var(--space-sm); }
.journal-card-footer { display: flex; justify-content: space-between; align-items: center; padding-top: var(--space-sm); border-top: 1px solid var(--color-border-light); }
.journal-card-footer .badge { font-size: 0.75rem; padding: 0.25rem 0.6rem; background: var(--color-bg-subtle); color: var(--color-text-muted); border-radius: 12px; font-weight: 500; }
.journal-card-footer a { font-weight: 600; font-size: 0.9rem; }

/* Article list */
.article-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(380px, 1fr)); gap: var(--space-md); }
.article-item { background: #fff; border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-md); transition: all var(--transition); }
.article-item:hover { border-color: var(--color-primary); box-shadow: var(--shadow-sm); }
.article-meta { font-size: 0.8rem; color: var(--color-text-muted); margin-bottom: 0.5rem; display: flex; gap: var(--space-sm); flex-wrap: wrap; }
.article-meta .article-journal { color: var(--color-primary); font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; font-size: 0.7rem; }
.article-item h4 { font-family: var(--font-serif); margin-bottom: 0.5rem; line-height: 1.3; }
.article-item h4 a { color: var(--color-primary); }
.article-item h4 a:hover { color: var(--color-link); }
.article-authors { font-size: 0.85rem; color: var(--color-text-muted); font-style: italic; }

/* Feature grid */
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: var(--space-md); }
.feature-card { text-align: center; padding: var(--space-md); }
.feature-icon { width: 64px; height: 64px; background: var(--color-bg-subtle); border-radius: 50%; display: grid; place-items: center; margin: 0 auto var(--space-sm); font-size: 1.75rem; color: var(--color-primary); border: 2px solid var(--color-accent); }
.feature-card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.feature-card p { color: var(--color-text-muted); font-size: 0.95rem; margin: 0; }

/* Page hero */
.page-hero { background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%); color: #fff; padding: var(--space-xl) 0; text-align: center; }
.page-hero h1 { color: #fff; margin-bottom: 0.5rem; }
.page-hero p { color: rgba(255,255,255,0.85); font-size: 1.1rem; max-width: 720px; margin: 0 auto; }
.breadcrumb { font-size: 0.85rem; color: rgba(255,255,255,0.7); margin-bottom: var(--space-sm); }
.breadcrumb a { color: var(--color-accent); }

/* Prose */
.prose { max-width: 800px; margin: 0 auto; font-size: 1.05rem; line-height: 1.75; }
.prose h2 { margin-top: var(--space-lg); padding-top: var(--space-md); border-top: 1px solid var(--color-border-light); }
.prose h2:first-child { border-top: 0; margin-top: 0; padding-top: 0; }
.prose h3 { margin-top: var(--space-md); }
.prose ul, .prose ol { padding-left: 1.5rem; margin-bottom: var(--space-sm); }
.prose li { margin-bottom: 0.4rem; }
.prose blockquote { border-left: 4px solid var(--color-accent); padding: 0.5rem 0 0.5rem var(--space-md); margin: var(--space-md) 0; color: var(--color-text-muted); font-style: italic; }
.prose img { border-radius: var(--radius-md); margin: var(--space-md) 0; }

/* Newsletter */
.newsletter { background: var(--color-primary); color: #fff; padding: var(--space-xl) 0; text-align: center; }
.newsletter h2 { color: #fff; }
.newsletter p { color: rgba(255,255,255,0.85); margin-bottom: var(--space-md); max-width: 540px; margin-left: auto; margin-right: auto; }
.newsletter-form { display: flex; gap: 0.5rem; max-width: 480px; margin: 0 auto; }
.newsletter-form input { flex: 1; padding: 0.85rem 1rem; border: 1px solid rgba(255,255,255,0.3); background: rgba(255,255,255,0.1); color: #fff; border-radius: var(--radius-sm); font-size: 1rem; }
.newsletter-form input::placeholder { color: rgba(255,255,255,0.7); }

/* Footer */
.site-footer { background: var(--color-primary-dark); color: rgba(255,255,255,0.75); padding: var(--space-xl) 0 var(--space-md); font-size: 0.9rem; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr 1fr; gap: var(--space-lg); margin-bottom: var(--space-lg); }
.footer-col h5 { color: var(--color-accent); font-family: var(--font-sans); font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.1em; font-weight: 600; margin-bottom: var(--space-sm); }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col li { margin-bottom: 0.5rem; }
.footer-col a { color: rgba(255,255,255,0.75); }
.footer-col a:hover { color: #fff; }
.footer-brand .brand-mark { background: var(--color-accent); color: var(--color-primary-dark); }
.footer-brand .brand-name { color: #fff; }
.footer-brand p { color: rgba(255,255,255,0.7); margin-top: var(--space-sm); max-width: 320px; }
.footer-badges { display: flex; flex-wrap: wrap; gap: 0.75rem; margin-top: var(--space-md); }
.footer-badge { background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.2); padding: 0.4rem 0.75rem; border-radius: var(--radius-sm); font-size: 0.75rem; color: rgba(255,255,255,0.8); }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: var(--space-md); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: var(--space-sm); font-size: 0.85rem; color: rgba(255,255,255,0.5); }
.footer-bottom a { color: rgba(255,255,255,0.7); margin-left: var(--space-md); }
.footer-bottom a:first-child { margin-left: 0; }

/* Forms */
.form-group { margin-bottom: var(--space-sm); }
.form-group label { display: block; font-weight: 600; margin-bottom: 0.4rem; font-size: 0.9rem; color: var(--color-primary); }
.form-group input, .form-group textarea, .form-group select { width: 100%; padding: 0.7rem 0.9rem; border: 1px solid var(--color-border); border-radius: var(--radius-sm); font-family: inherit; font-size: 1rem; transition: border-color var(--transition); }
.form-group input:focus, .form-group textarea:focus, .form-group select:focus { outline: none; border-color: var(--color-primary); box-shadow: 0 0 0 3px rgba(14,35,64,0.1); }
.form-group textarea { min-height: 140px; resize: vertical; }

/* Two col layout (page sidebar) */
.two-col { display: grid; grid-template-columns: 250px 1fr; gap: var(--space-lg); }
.sidebar-nav { position: sticky; top: 100px; align-self: start; }
.sidebar-nav h4 { font-size: 0.8rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--color-text-muted); border-bottom: 1px solid var(--color-border); padding-bottom: 0.5rem; margin-bottom: 0.75rem; }
.sidebar-nav ul { list-style: none; padding: 0; margin: 0; }
.sidebar-nav li { margin-bottom: 0.4rem; }
.sidebar-nav a { color: var(--color-text); font-size: 0.95rem; display: block; padding: 0.3rem 0; }
.sidebar-nav a:hover, .sidebar-nav a.active { color: var(--color-primary); font-weight: 600; }

/* Helpers */
.text-center { text-align: center; }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }

/* Responsive */
@media (max-width: 960px) {
    .footer-grid { grid-template-columns: 1fr 1fr 1fr; }
    .footer-brand { grid-column: span 3; }
    .stats-grid { grid-template-columns: 1fr 1fr; gap: var(--space-sm); }
    .two-col { grid-template-columns: 1fr; }
    .sidebar-nav { position: static; }
}
@media (max-width: 720px) {
    .main-nav { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: #fff; border-top: 1px solid var(--color-border); padding: var(--space-md); align-items: stretch; gap: 0; box-shadow: var(--shadow-md); }
    .main-nav.open { display: flex; }
    .main-nav a { padding: 0.85rem 0; border-bottom: 1px solid var(--color-border-light); }
    .mobile-toggle { display: block; }
    .utility-bar .util-left { display: none; }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .footer-brand { grid-column: span 2; }
    .hero { padding: var(--space-xl) 0; }
    .hero-cta { flex-direction: column; align-items: stretch; }
    .hero-cta .btn { justify-content: center; }
    .newsletter-form { flex-direction: column; }
    .footer-bottom { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 480px) {
    .stats-grid { grid-template-columns: 1fr 1fr; }
    .footer-grid { grid-template-columns: 1fr; }
    .footer-brand { grid-column: span 1; }
}

/* WordPress core classes */
.alignleft { float: left; margin-right: 1.5rem; }
.alignright { float: right; margin-left: 1.5rem; }
.aligncenter { display: block; margin: 0 auto; }
.wp-caption { max-width: 100%; }
.wp-caption-text { font-size: 0.85rem; color: var(--color-text-muted); text-align: center; }
.screen-reader-text { position: absolute; left: -9999px; }