/*
 * AgroSpectrum Asia Theme - Custom CSS
 * Designed with premium, high-end aesthetics (10+ years experience).
 * Features smooth theme transitions, micro-animations, glassmorphism, and rich typography.
 */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,600;0,700;1,400&display=swap');

:root {
    /* Color Palette */
    --primary-green: #008e3c;
    --primary-green-hover: #00702f;
    --accent-red: #e31b23;
    --accent-red-hover: #b81218;
    
    /* Light Theme (Default) */
    --bg-base: #f8fafc;
    --bg-surface: #ffffff;
    --bg-card: #ffffff;
    --bg-dark-accent: #0f172a;
    --border-color: #e2e8f0;
    --text-main: #1e293b;
    --text-muted: #64748b;
    --text-light: #ffffff;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.07), 0 2px 4px -2px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.05), 0 4px 6px -4px rgba(0, 0, 0, 0.05);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    --transition-smooth: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark Theme Variables */
[data-bs-theme="dark"] {
    --bg-base: #090d16;
    --bg-surface: #111827;
    --bg-card: #1f2937;
    --border-color: #374151;
    --text-main: #f3f4f6;
    --text-muted: #9ca3af;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.2);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.3), 0 2px 4px -2px rgba(0, 0, 0, 0.3);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.4), 0 4px 6px -4px rgba(0, 0, 0, 0.4);
    --shadow-hover: 0 20px 25px -5px rgba(0, 0, 0, 0.5), 0 8px 10px -6px rgba(0, 0, 0, 0.5);
}

/* Base Reset & Typography */
body {
    background-color: var(--bg-base);
    color: var(--text-main);
    font-family: 'Inter', sans-serif;
    transition: background-color 0.4s ease, color 0.4s ease;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: 'Inter', sans-serif;
    font-weight: 700;
}

.font-serif {
    font-family: 'Playfair Display', serif;
}

/* Top Mini Ribbon */
.top-utility-bar {
    background-color: var(--bg-dark-accent);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.03em;
    border-bottom: 2px solid var(--primary-green);
}

.top-utility-bar a {
    color: #cbd5e1;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.top-utility-bar a:hover {
    color: #ffffff;
    text-shadow: 0 0 8px rgba(255, 255, 255, 0.3);
}

/* Main Brand Header Area */
.brand-header-area {
    background-color: var(--bg-surface);
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.4s ease;
}

/* Navigation Menu */
.navbar-custom {
    background-color: #111827; /* Fixed sleek dark header background */
    padding: 0;
    box-shadow: var(--shadow-md);
}

.navbar-custom .nav-link {
    color: #e2e8f0;
    font-weight: 600;
    font-size: 0.72rem;
    letter-spacing: 0.02em;
    padding: 1rem 0.5rem !important;
    text-transform: uppercase;
    transition: var(--transition-smooth);
    border-bottom: 3px solid transparent;
    white-space: nowrap;
}

.navbar-custom .nav-link:hover,
.navbar-custom .nav-link.active {
    color: #ffffff;
    background-color: rgba(255, 255, 255, 0.04);
    border-bottom: 3px solid var(--primary-green);
}

/* Custom Dropdowns */
.navbar-custom .dropdown-menu {
    background-color: #1f2937;
    border: 1px solid #374151;
    border-top: 3px solid var(--primary-green);
    border-radius: 0 0 8px 8px;
    box-shadow: var(--shadow-lg);
    margin-top: 0;
}

.navbar-custom .dropdown-item {
    color: #d1d5db;
    font-size: 0.82rem;
    font-weight: 500;
    padding: 0.6rem 1.2rem;
    transition: var(--transition-smooth);
}

.navbar-custom .dropdown-item:hover {
    background-color: var(--primary-green);
    color: #ffffff;
    padding-left: 1.5rem;
}

/* Premium Badges */
.badge-category {
    font-size: 0.65rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    padding: 0.35em 0.7em;
    border-radius: 3px;
    text-transform: uppercase;
}

.badge-green {
    background-color: var(--primary-green);
    color: #ffffff;
}

.badge-red {
    background-color: var(--accent-red);
    color: #ffffff;
}

.badge-dark {
    background-color: var(--bg-dark-accent);
    color: #ffffff;
}

/* Card Lift and Glow Custom styling */
.custom-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

.custom-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(0, 142, 60, 0.3);
}

.custom-card .card-img-wrapper {
    position: relative;
    overflow: hidden;
}

.custom-card .card-img-wrapper img {
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.custom-card:hover .card-img-wrapper img {
    transform: scale(1.05);
}

/* Section Header Dividers */
.section-title {
    position: relative;
    font-weight: 800;
    font-size: 1.15rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.6rem;
    margin-bottom: 1.5rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 60px;
    height: 2px;
    background-color: var(--primary-green);
}

.section-title.red-accent::after {
    background-color: var(--accent-red);
}

/* Gradient Sidebar Signup Card */
.sidebar-signup-card {
    background: linear-gradient(135deg, #021a0d 0%, #008e3c 100%);
    color: #ffffff;
    border-radius: 12px;
    padding: 2.2rem 1.8rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-lg);
    position: relative;
    overflow: hidden;
}

.sidebar-signup-card::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    pointer-events: none;
}

/* Spotlight & Articles Layouts */
.spotlight-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1.25rem;
}

@media (max-width: 1200px) {
    .spotlight-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .spotlight-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 480px) {
    .spotlight-grid {
        grid-template-columns: 1fr;
    }
}

.spotlight-card {
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.spotlight-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--primary-green);
}

/* Mini Article Lists (Small Thumbnails on left) */
.mini-article-item {
    display: flex;
    gap: 1rem;
    padding-bottom: 1rem;
    margin-bottom: 1rem;
    border-bottom: 1px dashed var(--border-color);
}

.mini-article-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
    margin-bottom: 0;
}

.mini-article-thumb {
    width: 90px;
    height: 60px;
    object-fit: cover;
    border-radius: 4px;
    flex-shrink: 0;
}

.mini-article-title {
    font-size: 0.88rem;
    line-height: 1.35;
    font-weight: 600;
    margin-bottom: 0.25rem;
    transition: var(--transition-smooth);
}

.mini-article-title a {
    color: var(--text-main);
    text-decoration: none;
}

.mini-article-title a:hover {
    color: var(--primary-green);
}

/* Tag Cloud Widget */
.tag-cloud-wrapper {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.tag-cloud-item {
    font-size: 0.65rem;
    font-weight: 600;
    color: var(--text-main);
    background-color: rgba(0, 0, 0, 0.05);
    padding: 0.4rem 0.6rem;
    border-radius: 3px;
    text-decoration: none;
    border: 1px solid var(--border-color);
    transition: var(--transition-smooth);
}

[data-bs-theme="dark"] .tag-cloud-item {
    background-color: rgba(255, 255, 255, 0.05);
}

.tag-cloud-item:hover {
    background-color: var(--primary-green);
    color: #ffffff !important;
    border-color: var(--primary-green);
}

/* Dynamic Overlays (E-Magazine Ad Widget) */
.magazine-ad-card {
    background: linear-gradient(145deg, #111827 0%, #1f2937 100%);
    border: 1px solid #374151;
    border-radius: 10px;
    padding: 2rem;
    color: #ffffff;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.magazine-cover-box {
    box-shadow: 0 15px 30px rgba(0,0,0,0.5);
    border-radius: 4px;
    transition: var(--transition-smooth);
}

.magazine-ad-card:hover .magazine-cover-box {
    transform: scale(1.05) rotate(-2deg);
}

/* Webinar Static Banner Ads */
.webinar-banner-ad {
    background: linear-gradient(90deg, #091326 0%, #142a4a 100%);
    border-left: 5px solid var(--primary-green);
    border-radius: 6px;
    color: #ffffff;
    box-shadow: var(--shadow-md);
}

/* Opinion List */
.opinion-card-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.opinion-avatar {
    width: 65px;
    height: 65px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid var(--primary-green);
}

/* Numeric List Widget (Top Posts) */
.numeric-list-item {
    display: flex;
    gap: 1rem;
    padding-bottom: 1.2rem;
    margin-bottom: 1.2rem;
    border-bottom: 1px solid var(--border-color);
}

.numeric-indicator {
    font-size: 2rem;
    font-weight: 800;
    color: rgba(0, 142, 60, 0.2);
    line-height: 1;
    transition: var(--transition-smooth);
}

.numeric-list-item:hover .numeric-indicator {
    color: var(--primary-green);
}

/* Premium R&D overlay cards */
.rd-card-overlay {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    height: 250px;
}

.rd-card-overlay img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.rd-card-overlay:hover img {
    transform: scale(1.08);
}

.rd-content-mask {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.95) 0%, rgba(0,0,0,0.4) 60%, rgba(0,0,0,0.1) 100%);
    padding: 1.5rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.rd-card-tag {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--badge-bg, var(--primary-green));
    color: #ffffff;
    font-size: 0.6rem;
    font-weight: 700;
    padding: 0.35rem 0.65rem;
    border-radius: 3px;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* High-End Dark Footer */
.footer-dark {
    background-color: #0c1220 !important;
    color: #94a3b8 !important;
    font-size: 0.85rem;
    border-top: 5px solid var(--primary-green);
}

.footer-dark p,
.footer-dark span,
.footer-dark .text-muted,
.footer-dark small {
    color: #94a3b8 !important;
}

.footer-dark h5,
.footer-dark h6,
.footer-dark .text-white {
    color: #f8fafc !important;
}

.footer-dark a {
    color: #94a3b8 !important;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.footer-dark a:hover {
    color: var(--primary-green) !important;
    padding-left: 5px;
}

.footer-bottom {
    background-color: #070a12 !important;
    border-top: 1px solid rgba(255,255,255,0.05) !important;
}

/* Floating Actions */
.scroll-to-top {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 45px;
    height: 45px;
    background-color: var(--primary-green);
    color: #ffffff !important;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    z-index: 1050;
    transition: var(--transition-smooth);
}

.scroll-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-to-top:hover {
    background-color: var(--primary-green-hover);
    transform: translateY(-5px);
}

/* Theme Switcher Widget */
.theme-switch-btn {
    border: none;
    background: transparent;
    color: #ffffff;
    cursor: pointer;
    font-size: 1.1rem;
    padding: 0 0.5rem;
    transition: var(--transition-smooth);
}

.theme-switch-btn:hover {
    color: var(--primary-green);
    transform: rotate(20deg);
}

/* Social Icon Blocks */
.social-counter-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem;
    border-radius: 6px;
    color: #ffffff;
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition-smooth);
}

.social-counter-item:hover {
    opacity: 0.9;
    transform: translateY(-2px);
}

.social-facebook { background-color: #1877f2; }
.social-twitter,
.social-x { background-color: #0f1419; } /* Rebranded carbon black for X */
.social-linkedin { background-color: #0077b5; }
.social-youtube { background-color: #ff0000; }

/* Custom Search Box Dropdown Animation */
.search-dropdown-box {
    position: absolute;
    right: 0;
    top: 100%;
    width: 320px;
    background-color: var(--bg-card);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-lg);
    border-radius: 8px;
    padding: 1rem;
    z-index: 1060;
    opacity: 0;
    transform: translateY(10px);
    visibility: hidden;
    transition: var(--transition-smooth);
}

.search-dropdown-box.active {
    opacity: 1;
    transform: translateY(0);
    visibility: visible;
}

/* Sticky Sidebar Optimization (Only on Desktops for premium UX layout) */
@media (min-width: 992px) {
    .sidebar-sticky {
        position: -webkit-sticky;
        position: sticky;
        top: 95px; /* Precise height offset underneath sticky navbar */
    }
}

/* Custom responsive brand logo glow in dark modes */
[data-bs-theme="dark"] .brand-logo-img {
    filter: drop-shadow(0 0 5px rgba(255, 255, 255, 0.75)) brightness(1.15);
}

/* Custom Premium Login & Registration Modal Overlay */
.custom-login-modal-content {
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    background-color: var(--bg-card);
    overflow: hidden;
}

.custom-modal-tabs {
    border: 1px solid var(--border-color);
    border-radius: 6px;
    overflow: hidden;
    background-color: var(--bg-base);
}

.custom-tab-btn {
    border: none;
    background-color: transparent;
    color: var(--text-muted);
    font-size: 0.8rem;
    letter-spacing: 0.05em;
    transition: var(--transition-smooth);
}

.custom-tab-btn.active {
    background-color: var(--primary-green) !important;
    color: #ffffff !important;
}

.custom-tab-btn:not(.active):hover {
    background-color: rgba(0, 142, 60, 0.05);
    color: var(--primary-green);
}

.custom-login-input-group {
    background-color: #e9f2ff !important; /* Default light blue backdrop from mockup */
    border: 1px solid #cce0ff !important;
    border-radius: 6px;
    overflow: hidden;
    transition: var(--transition-smooth);
}

[data-bs-theme="dark"] .custom-login-input-group {
    background-color: rgba(0, 142, 60, 0.08) !important; /* Elegant green-dark backdrop inside dark theme */
    border-color: rgba(0, 142, 60, 0.2) !important;
}

.custom-login-input-group .input-group-text {
    border: none !important;
    background-color: transparent !important;
    color: var(--primary-green) !important;
    padding-left: 1rem;
    padding-right: 0.5rem;
}

.custom-login-input-group .form-control {
    border: none !important;
    background-color: transparent !important;
    color: var(--text-main) !important;
    box-shadow: none !important;
    padding-left: 0.5rem;
}

.custom-login-input-group .form-control::placeholder {
    color: var(--text-muted) !important;
    opacity: 0.85;
}

.custom-login-input-group:focus-within {
    border-color: var(--primary-green) !important;
    box-shadow: 0 0 0 3px rgba(0, 142, 60, 0.15) !important;
}

.login-tab-content {
    display: none;
}

.login-tab-content.active {
    display: block;
    animation: fadeInTab 0.4s ease;
}

@keyframes fadeInTab {
    from { opacity: 0; transform: translateY(5px); }
    to { opacity: 1; transform: translateY(0); }
}

.show-password-toggle:hover {
    color: var(--primary-green-hover) !important;
}



/* Global article title link colors */
.hover-green {
    color: var(--text-main) !important;
    text-decoration: none !important;
}
.hover-green:hover {
    color: var(--primary-green) !important;
}
a.text-main, a.text-white.hover-green {
    color: inherit !important;
}
a.text-main:hover {
    color: var(--primary-green) !important;
}

/* Homepage Hero Carousel */
#heroCarousel .hero-slide {
    position: relative;
    height: 460px;
    overflow: hidden;
    background: #0f172a;
}

#heroCarousel .hero-slide__image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center center;
    display: block;
}

#heroCarousel .hero-slide__shade {
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(0, 0, 0, 0.08) 0%, rgba(0, 0, 0, 0.02) 38%, rgba(0, 0, 0, 0.45) 68%, rgba(7, 22, 16, 0.96) 100%);
    pointer-events: none;
}

#heroCarousel .hero-slide__content {
    position: absolute;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 5;
    padding: 1.25rem 1.5rem 1.75rem;
    background: linear-gradient(to top, rgba(7, 22, 16, 0.97) 0%, rgba(7, 22, 16, 0.92) 72%, rgba(7, 22, 16, 0) 100%);
}

@media (min-width: 768px) {
    #heroCarousel .hero-slide {
        height: 500px;
    }

    #heroCarousel .hero-slide__content {
        padding: 1.5rem 2rem 2rem;
    }
}

#heroCarousel .hero-slide__badge {
    display: inline-block;
    margin-bottom: 0.65rem;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    background: var(--primary-green);
    color: #fff;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

#heroCarousel .hero-slide__title {
    margin: 0 0 0.75rem;
    color: #fff;
    font-family: 'Playfair Display', serif;
    font-size: clamp(1.15rem, 2.2vw, 1.75rem);
    font-weight: 700;
    line-height: 1.35;
    max-width: 920px;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.35);
}

#heroCarousel .hero-slide__title a {
    color: #fff;
    text-decoration: none;
}

#heroCarousel .hero-slide__title a:hover {
    color: #86efac;
}

#heroCarousel .hero-slide__excerpt {
    margin: 0 0 0.85rem;
    max-width: 820px;
    color: rgba(255, 255, 255, 0.88);
    font-size: 0.84rem;
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

#heroCarousel .hero-slide__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.25rem;
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.74rem;
}

#heroCarousel .hero-slide__meta i {
    color: var(--primary-green);
}

#heroCarousel .carousel-indicators {
    z-index: 10;
    margin-bottom: 0.85rem;
}

#heroCarousel .carousel-indicators [data-bs-target] {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    opacity: 0.55;
}

#heroCarousel .carousel-indicators .active {
    opacity: 1;
}

#heroCarousel .carousel-control-prev,
#heroCarousel .carousel-control-next {
    width: 7%;
    opacity: 0.9;
    z-index: 10;
}

#heroCarousel .carousel-control-icon {
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: rgba(15, 23, 42, 0.72);
    border: 1px solid rgba(255, 255, 255, 0.18);
    color: #fff;
    backdrop-filter: blur(4px);
}