/* ============================================================
   EduzPlus — Category Archive Styles
   Hero banner + Posts grid with pagination
   Reuses .eduzplus-post-card and .eduzplus-posts-grid from homepage
   ============================================================ */

/* ─── Google Font Import ─── */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

/* ─── Force Light Theme ─── */
.site-main {
    background: #ffffff;
    color: #1e293b;
}

/* ═══════════════════════════════════
   CATEGORY HERO BANNER
   ═══════════════════════════════════ */
.eduzplus-category-hero {
    position: relative;
    width: 100%;
    min-height: 340px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    padding: 5rem 2rem 4rem;
}

/* Animated gradient background */
.eduzplus-category-hero-bg {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        #0f172a 0%,
        #1e293b 25%,
        #0f3460 50%,
        #1a1a2e 75%,
        #16213e 100%
    );
    background-size: 400% 400%;
    animation: heroGradientShift 12s ease infinite;
    z-index: 0;
}

@keyframes heroGradientShift {
    0%   { background-position: 0% 50%; }
    50%  { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

/* Subtle overlay pattern */
.eduzplus-category-hero-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        radial-gradient(ellipse at 20% 80%, rgba(0, 86, 179, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 80% 20%, rgba(99, 102, 241, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

/* Content container */
.eduzplus-category-hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--eduzplus-container-width, 1200px);
    width: 100%;
    margin: 0 auto;
    text-align: center;
    color: #ffffff;
}

/* Category label pill */
.eduzplus-category-label {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.15);
    border-radius: 50px;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 1.5rem;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    opacity: 0;
    transform: translateY(15px);
    animation: catFadeUp 0.6s 0.1s ease forwards;
}

.eduzplus-category-label svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Category title */
.eduzplus-category-title {
    font-family: var(--eduzplus-font-primary, 'Inter', sans-serif);
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 900;
    line-height: 1.15;
    margin: 0 0 1rem;
    color: #ffffff;
    text-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
    letter-spacing: -0.02em;
    opacity: 0;
    transform: translateY(20px);
    animation: catFadeUp 0.7s 0.2s ease forwards;
}

/* Category description */
.eduzplus-category-desc {
    font-size: 1.1rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.8);
    max-width: 650px;
    margin: 0 auto 1.5rem;
    opacity: 0;
    transform: translateY(15px);
    animation: catFadeUp 0.6s 0.35s ease forwards;
}

.eduzplus-category-desc p {
    margin: 0;
}

/* Post count stat */
.eduzplus-category-stats {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    opacity: 0;
    transform: translateY(15px);
    animation: catFadeUp 0.6s 0.45s ease forwards;
}

.eduzplus-category-stat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.7);
}

.eduzplus-category-stat svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

@keyframes catFadeUp {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ═══════════════════════════════════
   CATEGORY POSTS SECTION
   ═══════════════════════════════════ */
.eduzplus-category-section {
    padding: 4rem 2rem 5rem;
    max-width: var(--eduzplus-container-width, 1200px);
    margin: 0 auto;
    background: #ffffff;
}

/* Grid — inherits .eduzplus-posts-grid from homepage.css but
   we redefine here so it works independently */
.eduzplus-category-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* ── Post Card styles (duplicated from homepage for standalone use) ── */
.eduzplus-post-card {
    background: #ffffff;
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid #e2e8f0;
    box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    flex-direction: column;
    position: relative;
}

.eduzplus-post-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.08);
    border-color: var(--eduzplus-primary, #0056b3);
}

/* Card Image */
.eduzplus-card-image {
    position: relative;
    width: 100%;
    padding-top: 60%;
    overflow: hidden;
    background: linear-gradient(135deg, #f8fafc, #e2e8f0);
}

.eduzplus-card-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.eduzplus-post-card:hover .eduzplus-card-image img {
    transform: scale(1.08);
}

/* Gradient overlay on image */
.eduzplus-card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 50%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.12), transparent);
    pointer-events: none;
    z-index: 1;
}

/* Card floating category */
.eduzplus-card-category {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    display: inline-block;
    padding: 4px 14px;
    background: var(--eduzplus-primary, #0056b3);
    color: #fff;
    font-size: 11px;
    font-weight: 700;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border-radius: 20px;
    text-decoration: none;
    transition: background 0.3s;
}

.eduzplus-card-category:hover {
    background: #0f172a;
    color: #fff;
}

/* No image fallback */
.eduzplus-card-no-image {
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: #cbd5e1;
}

.eduzplus-card-no-image svg {
    width: 48px;
    height: 48px;
    fill: currentColor;
}

/* Card Body */
.eduzplus-card-body {
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    flex: 1;
    background: #ffffff;
}

.eduzplus-card-meta {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: #64748b;
    margin-bottom: 10px;
}

.eduzplus-card-meta-author {
    font-weight: 600;
    color: #334155;
}

.eduzplus-card-meta-dot {
    color: #cbd5e1;
}

.eduzplus-card-title {
    font-family: var(--eduzplus-font-primary, 'Inter', sans-serif);
    font-size: 1.15rem;
    font-weight: 700;
    line-height: 1.35;
    margin: 0 0 10px;
    color: #0f172a;
}

.eduzplus-card-title a {
    color: #0f172a;
    text-decoration: none;
    transition: color 0.3s;
}

.eduzplus-card-title a:hover {
    color: var(--eduzplus-primary, #0056b3);
}

.eduzplus-card-excerpt {
    font-size: 14px;
    line-height: 1.6;
    color: #64748b;
    margin-bottom: 1.25rem;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.eduzplus-card-footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid #f1f5f9;
}

.eduzplus-read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    font-weight: 700;
    color: var(--eduzplus-primary, #0056b3);
    text-decoration: none;
    transition: gap 0.3s;
}

.eduzplus-read-more:hover {
    gap: 10px;
    color: var(--eduzplus-primary, #0056b3);
}

.eduzplus-read-more svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
}

.eduzplus-read-time {
    font-size: 12px;
    color: #94a3b8;
    font-weight: 500;
    display: flex;
    align-items: center;
    gap: 4px;
}

.eduzplus-read-time svg {
    width: 14px;
    height: 14px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
}

/* Stagger animation for cards */
.eduzplus-category-grid .eduzplus-post-card {
    opacity: 0;
    transform: translateY(30px);
    animation: catCardReveal 0.6s ease forwards;
}

.eduzplus-category-grid .eduzplus-post-card:nth-child(1) { animation-delay: 0.05s; }
.eduzplus-category-grid .eduzplus-post-card:nth-child(2) { animation-delay: 0.12s; }
.eduzplus-category-grid .eduzplus-post-card:nth-child(3) { animation-delay: 0.19s; }
.eduzplus-category-grid .eduzplus-post-card:nth-child(4) { animation-delay: 0.26s; }
.eduzplus-category-grid .eduzplus-post-card:nth-child(5) { animation-delay: 0.33s; }
.eduzplus-category-grid .eduzplus-post-card:nth-child(6) { animation-delay: 0.40s; }
.eduzplus-category-grid .eduzplus-post-card:nth-child(7) { animation-delay: 0.47s; }
.eduzplus-category-grid .eduzplus-post-card:nth-child(8) { animation-delay: 0.54s; }
.eduzplus-category-grid .eduzplus-post-card:nth-child(9) { animation-delay: 0.61s; }

@keyframes catCardReveal {
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ═══════════════════════════════════
   PAGINATION
   ═══════════════════════════════════ */
.eduzplus-pagination {
    margin-top: 3.5rem;
    display: flex;
    justify-content: center;
}

.eduzplus-pagination .page-numbers {
    display: flex;
    align-items: center;
    gap: 8px;
    list-style: none;
    padding: 0;
    margin: 0;
    flex-wrap: wrap;
    justify-content: center;
}

.eduzplus-pagination .page-numbers li {
    display: inline-flex;
}

/* Individual page number links */
.eduzplus-pagination .page-numbers li a,
.eduzplus-pagination .page-numbers li span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 44px;
    height: 44px;
    padding: 0 12px;
    border-radius: 12px;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    color: #475569;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
}

.eduzplus-pagination .page-numbers li a:hover {
    background: var(--eduzplus-primary, #0056b3);
    color: #fff;
    border-color: var(--eduzplus-primary, #0056b3);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 86, 179, 0.25);
}

/* Active page */
.eduzplus-pagination .page-numbers li span.current {
    background: var(--eduzplus-primary, #0056b3);
    color: #fff;
    border-color: var(--eduzplus-primary, #0056b3);
    box-shadow: 0 4px 14px rgba(0, 86, 179, 0.3);
}

/* Prev/Next buttons */
.eduzplus-pagination .page-numbers li a.prev,
.eduzplus-pagination .page-numbers li a.next {
    gap: 6px;
    padding: 0 18px;
    font-weight: 700;
    border-radius: 50px;
    background: #ffffff;
    border: 2px solid #e2e8f0;
}

.eduzplus-pagination .page-numbers li a.prev:hover,
.eduzplus-pagination .page-numbers li a.next:hover {
    background: var(--eduzplus-primary, #0056b3);
    color: #fff;
    border-color: var(--eduzplus-primary, #0056b3);
}

.eduzplus-pagination .page-numbers li a.prev svg,
.eduzplus-pagination .page-numbers li a.next svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform 0.3s;
}

.eduzplus-pagination .page-numbers li a.prev:hover svg {
    transform: translateX(-3px);
}

.eduzplus-pagination .page-numbers li a.next:hover svg {
    transform: translateX(3px);
}

/* Dots (ellipsis) */
.eduzplus-pagination .page-numbers li span.dots {
    background: transparent;
    border: none;
    color: #94a3b8;
    min-width: auto;
    padding: 0 4px;
    letter-spacing: 2px;
}

/* ═══════════════════════════════════
   EMPTY STATE
   ═══════════════════════════════════ */
.eduzplus-category-empty {
    text-align: center;
    padding: 5rem 2rem;
    color: #94a3b8;
}

.eduzplus-category-empty svg {
    width: 72px;
    height: 72px;
    fill: none;
    stroke: #cbd5e1;
    stroke-width: 1.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    margin-bottom: 1.5rem;
}

.eduzplus-category-empty h3 {
    font-family: var(--eduzplus-font-primary, 'Inter', sans-serif);
    font-size: 1.5rem;
    font-weight: 700;
    color: #334155;
    margin: 0 0 0.75rem;
}

.eduzplus-category-empty p {
    font-size: 1.05rem;
    max-width: 450px;
    margin: 0 auto 2rem;
    color: #64748b;
    line-height: 1.6;
}

.eduzplus-back-home {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    background: var(--eduzplus-primary, #0056b3);
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    border-radius: 50px;
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 0 6px 20px rgba(0, 86, 179, 0.3);
}

.eduzplus-back-home:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 86, 179, 0.45);
    color: #fff;
}

.eduzplus-back-home svg {
    width: 16px;
    height: 16px;
    fill: none;
    stroke: currentColor;
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-linejoin: round;
    transition: transform 0.3s;
}

.eduzplus-back-home:hover svg {
    transform: translateX(-4px);
}

/* ═══════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════ */
@media (max-width: 1024px) {
    .eduzplus-category-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .eduzplus-category-hero {
        min-height: 280px;
        padding: 4rem 1.25rem 3rem;
    }

    .eduzplus-category-title {
        font-size: clamp(1.8rem, 6vw, 2.5rem);
    }

    .eduzplus-category-desc {
        font-size: 1rem;
    }

    .eduzplus-category-section {
        padding: 3rem 1.25rem 4rem;
    }

    .eduzplus-category-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .eduzplus-card-image {
        padding-top: 55%;
    }

    .eduzplus-pagination .page-numbers li a,
    .eduzplus-pagination .page-numbers li span {
        min-width: 38px;
        height: 38px;
        font-size: 13px;
        border-radius: 10px;
    }

    .eduzplus-pagination .page-numbers li a.prev,
    .eduzplus-pagination .page-numbers li a.next {
        padding: 0 14px;
    }

    .eduzplus-pagination .page-numbers li a.prev span,
    .eduzplus-pagination .page-numbers li a.next span {
        display: none;
    }
}

@media (max-width: 480px) {
    .eduzplus-category-hero {
        min-height: 240px;
        padding: 3.5rem 1rem 2.5rem;
    }

    .eduzplus-category-desc {
        display: none;
    }

    .eduzplus-category-section {
        padding: 2rem 1rem 3rem;
    }
}