/* ==============================================
   PORTFOLIO STATISTICS DASHBOARD
   ============================================== */
.portfolio-stats-section {
    background: linear-gradient(135deg, rgba(61, 169, 252, 0.08), rgba(9, 64, 103, 0.08));
    position: relative;
    overflow: hidden;
    padding: 100px 0;
}

.portfolio-stats-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: radial-gradient(circle at 20% 50%, rgba(61, 169, 252, 0.12) 0%, transparent 50%),
                      radial-gradient(circle at 80% 80%, rgba(9, 64, 103, 0.12) 0%, transparent 50%),
                      radial-gradient(circle at 50% 20%, rgba(61, 169, 252, 0.06) 0%, transparent 50%);
    z-index: 0;
    animation: stats-bg-float 20s ease-in-out infinite;
}

@keyframes stats-bg-float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    33% { transform: translateY(-10px) rotate(1deg); }
    66% { transform: translateY(5px) rotate(-1deg); }
}

.portfolio-stats-section .container {
    position: relative;
    z-index: 1;
}

.stat-card {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: 0 10px 30px var(--shadow);
    border: 1px solid var(--border-color);
    transition: all var(--transition-normal);
    display: flex;
    align-items: center;
    gap: 20px;
    position: relative;
    overflow: hidden;
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(61, 169, 252, 0.05), transparent);
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(61, 169, 252, 0.2);
}

.stat-card:hover::before {
    opacity: 1;
}

.stat-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    flex-shrink: 0;
    box-shadow: 0 5px 15px rgba(61, 169, 252, 0.3);
    transition: transform var(--transition-normal);
}

.stat-card:hover .stat-icon {
    transform: scale(1.1) rotate(-5deg);
}

.stat-content {
    flex: 1;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
    margin: 0;
    line-height: 1;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.95rem;
    color: var(--text-color);
    margin: 0;
    font-weight: 500;
}

/* ==============================================
   ADVANCED FILTER PANEL
   ============================================== */
.portfolio-filter-panel {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 30px;
    box-shadow: 0 10px 30px var(--shadow);
    border: 1px solid var(--border-color);
}

.filter-group {
    margin-bottom: 0;
}

.filter-label {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--secondary);
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-label i {
    color: var(--primary);
}

.filter-label-small {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text-color);
    margin-bottom: 8px;
    display: block;
}

.filter-buttons {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.filter-btn {
    background: var(--section-bg);
    color: var(--text-color);
    border: 2px solid var(--border-color);
    padding: 12px 24px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    transition: all var(--transition-fast);
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    position: relative;
    overflow: hidden;
}

.filter-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    transition: left var(--transition-fast);
    z-index: 0;
}

.filter-btn > * {
    position: relative;
    z-index: 1;
}

.filter-btn:hover {
    border-color: var(--primary);
    color: var(--primary);
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(61, 169, 252, 0.25);
}

.filter-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    border-color: var(--primary);
    box-shadow: 0 5px 15px rgba(61, 169, 252, 0.3);
    transform: translateY(-2px);
}

.filter-btn.active::before {
    left: 0;
}

.filter-btn i {
    font-size: 1rem;
}

.advanced-filters-row {
    margin-top: 25px;
    padding-top: 25px;
    border-top: 1px solid var(--border-color);
}

/* ==============================================
   PORTFOLIO CONTROLS BAR
   ============================================== */
.portfolio-controls-bar {
    background: var(--card-bg);
    border-radius: var(--border-radius-lg);
    padding: 20px;
    box-shadow: 0 5px 20px var(--shadow);
    border: 1px solid var(--border-color);
}

.portfolio-search {
    position: relative;
}

.portfolio-search input {
    width: 100%;
    padding: 12px 45px 12px 20px;
    border: 2px solid var(--border-color);
    border-radius: 25px;
    background: var(--section-bg);
    color: var(--text-color);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.portfolio-search input:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(61, 169, 252, 0.15);
    background: var(--bg-color);
}

.portfolio-search i {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--dark);
    transition: color var(--transition-fast);
}

.portfolio-search input:focus + i {
    color: var(--primary);
}

.portfolio-sort select {
    padding: 12px 20px;
    border: 2px solid var(--border-color);
    border-radius: 10px;
    background: var(--section-bg);
    color: var(--text-color);
    font-size: 1rem;
    transition: all var(--transition-fast);
    cursor: pointer;
}

.portfolio-sort select:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 4px rgba(61, 169, 252, 0.15);
}

/* ==============================================
   VIEW OPTIONS
   ============================================== */
.view-options {
    display: flex;
    gap: 8px;
    background: var(--section-bg);
    padding: 5px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.view-btn {
    background: transparent;
    border: none;
    padding: 10px 15px;
    border-radius: 8px;
    color: var(--text-color);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-size: 1.1rem;
}

.view-btn:hover {
    background: var(--card-bg);
    color: var(--primary);
    transform: scale(1.05);
}

.view-btn.active {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    box-shadow: 0 2px 8px rgba(61, 169, 252, 0.3);
}

/* ==============================================
   PROJECT COUNT BADGE
   ============================================== */
.project-count-badge {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 12px 20px;
    border-radius: 10px;
    font-weight: 600;
    text-align: center;
    box-shadow: 0 4px 12px rgba(61, 169, 252, 0.3);
}

.project-count-badge span {
    font-size: 1.5rem;
    font-weight: 700;
}

/* ==============================================
   ACTIVE FILTERS DISPLAY
   ============================================== */
.active-filters-container {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 15px 20px;
    border: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    gap: 15px;
    flex-wrap: wrap;
}

.active-filters-label {
    font-weight: 600;
    color: var(--secondary);
    font-size: 0.95rem;
}

.active-filters-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    flex: 1;
}

.active-filter-tag {
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    animation: slideIn 0.3s ease;
}

.active-filter-tag i {
    cursor: pointer;
    transition: transform var(--transition-fast);
}

.active-filter-tag i:hover {
    transform: scale(1.2);
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-10px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

/* ==============================================
   ENHANCED PORTFOLIO CARDS
   ============================================== */
.portfolio-card {
    position: relative;
    overflow: hidden;
    cursor: pointer;
    transition: all var(--transition-normal);
    border: none;
    border-radius: var(--border-radius-lg);
    box-shadow: 0 4px 20px var(--shadow);
}

.portfolio-card::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(61, 169, 252, 0.08), rgba(9, 64, 103, 0.05));
    opacity: 0;
    transition: opacity var(--transition-normal);
    pointer-events: none;
    z-index: 1;
}

.portfolio-card:hover::after {
    opacity: 1;
}

.portfolio-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 40px rgba(61, 169, 252, 0.15);
}

.portfolio-card > * {
    position: relative;
    z-index: 2;
}

/* ==============================================
   CARD IMAGE CONTAINER
   ============================================== */
.card-image-container {
    position: relative;
    overflow: hidden;
    height: 200px;
    border-radius: var(--border-radius) var(--border-radius) 0 0;
}

.project-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* ==============================================
   IMAGE OVERLAY
   ============================================== */
.image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity var(--transition-fast);
}

.portfolio-card:hover .image-overlay {
    opacity: 1;
}

.overlay-content {
    display: flex;
    gap: 10px;
}

.quick-view-btn,
.favorite-btn {
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-fast);
    border: none;
}

.quick-view-btn:hover {
    background: var(--primary) !important;
    transform: scale(1.1);
}

.favorite-btn:hover {
    background: #e74c3c !important;
    transform: scale(1.1);
}

.favorite-btn.active {
    background: #e74c3c !important;
    color: white;
}

.favorite-btn.active i {
    color: white;
}

/* Category-based gradient backgrounds */
.portfolio-card[data-category="process-water"] .card-header {
    background: linear-gradient(135deg, rgba(61, 169, 252, 0.1), rgba(61, 169, 252, 0.05));
}

.portfolio-card[data-category="wastewater-treatment"] .card-header {
    background: linear-gradient(135deg, rgba(132, 169, 28, 0.1), rgba(132, 169, 28, 0.05));
}

.portfolio-card[data-category="operation-maintenance"] .card-header {
    background: linear-gradient(135deg, rgba(255, 98, 117, 0.1), rgba(255, 98, 117, 0.05));
}

/* ==============================================
   LIST VIEW STYLES
   ============================================== */
.portfolio-grid.list-view {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.portfolio-grid.list-view .portfolio-item {
    width: 100%;
    max-width: 100%;
}

.portfolio-grid.list-view .portfolio-card {
    display: flex;
    flex-direction: row;
    height: auto;
}

.portfolio-grid.list-view .card-header {
    width: 150px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.portfolio-grid.list-view .card-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.portfolio-grid.list-view .card-footer {
    width: 200px;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

/* ==============================================
   COMPACT VIEW STYLES
   ============================================== */
.portfolio-grid.compact-view .portfolio-item {
    width: calc(25% - 22.5px);
}

.portfolio-grid.compact-view .portfolio-card {
    padding: 15px;
}

.portfolio-grid.compact-view .card-header {
    padding: 10px;
}

.portfolio-grid.compact-view .card-body {
    padding: 15px;
}

.portfolio-grid.compact-view .card-title {
    font-size: 0.95rem;
}

.portfolio-grid.compact-view .card-footer {
    padding: 10px 15px;
}

/* ==============================================
   RESPONSIVE DESIGN
   ============================================== */
@media (max-width: 1200px) {
    .portfolio-grid.compact-view .portfolio-item {
        width: calc(33.333% - 20px);
    }
}

@media (max-width: 992px) {
    .portfolio-filter-panel {
        padding: 20px;
    }

    .filter-buttons {
        gap: 8px;
    }

    .filter-btn {
        padding: 10px 20px;
        font-size: 0.9rem;
    }

    .portfolio-controls-bar {
        padding: 15px;
    }

    .view-options {
        justify-content: center;
    }

    .project-count-badge {
        text-align: center;
    }

    .stat-card {
        padding: 20px;
    }

    .stat-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .portfolio-grid.compact-view .portfolio-item {
        width: calc(50% - 15px);
    }

    .portfolio-grid.list-view .portfolio-card {
        flex-direction: column;
    }

    .portfolio-grid.list-view .card-header,
    .portfolio-grid.list-view .card-footer {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .portfolio-stats-section .row {
        gap: 15px;
    }

    .stat-card {
        padding: 15px;
        gap: 15px;
    }

    .stat-icon {
        width: 50px;
        height: 50px;
        font-size: 1.25rem;
    }

    .stat-number {
        font-size: 1.75rem;
    }

    .stat-label {
        font-size: 0.85rem;
    }

    .portfolio-filter-panel {
        padding: 15px;
    }

    .filter-label {
        font-size: 1rem;
    }

    .filter-buttons {
        justify-content: center;
    }

    .filter-btn {
        padding: 8px 16px;
        font-size: 0.85rem;
    }

    .advanced-filters-row {
        margin-top: 20px;
        padding-top: 20px;
    }

    .portfolio-controls-bar {
        padding: 15px;
    }

    .portfolio-search input,
    .portfolio-sort select {
        padding: 10px 40px 10px 15px;
        font-size: 0.9rem;
    }

    .view-options {
        width: 100%;
        justify-content: center;
    }

    .project-count-badge {
        width: 100%;
        padding: 10px 15px;
    }

    .active-filters-container {
        padding: 12px 15px;
        flex-direction: column;
        align-items: flex-start;
    }

    .active-filters-label {
        font-size: 0.85rem;
    }

    .active-filter-tag {
        font-size: 0.8rem;
        padding: 5px 10px;
    }

    .portfolio-grid.compact-view .portfolio-item {
        width: calc(50% - 10px);
    }
}

@media (max-width: 576px) {
    .stat-card {
        flex-direction: column;
        text-align: center;
        padding: 20px 15px;
    }

    .stat-icon {
        margin-bottom: 10px;
    }

    .filter-btn {
        flex: 1;
        min-width: calc(50% - 6px);
        justify-content: center;
    }

    .portfolio-grid.compact-view .portfolio-item {
        width: 100%;
    }

    .view-btn {
        padding: 8px 12px;
        font-size: 1rem;
    }

    .project-count-badge span {
        font-size: 1.25rem;
    }
}

/* ==============================================
   ANIMATIONS
   ============================================== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse {
    0%, 100% {
        transform: scale(1);
    }
    50% {
        transform: scale(1.05);
    }
}

@keyframes cardEntrance {
    from {
        opacity: 0;
        transform: translateY(50px) scale(0.9);
    }
    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

.stat-card.animate {
    animation: fadeInUp 0.6s ease forwards;
}

.stat-card:nth-child(1) { animation-delay: 0.1s; }
.stat-card:nth-child(2) { animation-delay: 0.2s; }
.stat-card:nth-child(3) { animation-delay: 0.3s; }
.stat-card:nth-child(4) { animation-delay: 0.4s; }

.portfolio-item {
    animation: cardEntrance 0.8s ease forwards;
    opacity: 0;
}

.portfolio-item:nth-child(1) { animation-delay: 0.1s; }
.portfolio-item:nth-child(2) { animation-delay: 0.2s; }
.portfolio-item:nth-child(3) { animation-delay: 0.3s; }
.portfolio-item:nth-child(4) { animation-delay: 0.4s; }
.portfolio-item:nth-child(5) { animation-delay: 0.5s; }
.portfolio-item:nth-child(6) { animation-delay: 0.6s; }
.portfolio-item:nth-child(7) { animation-delay: 0.7s; }
.portfolio-item:nth-child(8) { animation-delay: 0.8s; }

/* ==============================================
   PORTFOLIO LOGO ENHANCEMENTS
   ============================================== */
.portfolio-logo-container {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 20px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: 20px;
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    transition: all var(--transition-normal);
    overflow: hidden;
}

.portfolio-logo-container::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(61, 169, 252, 0.1), transparent);
    transform: rotate(45deg);
    transition: all 2s ease;
    z-index: 0;
}

.portfolio-logo-container:hover::before {
    transform: rotate(45deg) translate(50%, 50%);
}

.portfolio-logo {
    position: relative;
    z-index: 1;
    max-width: 100%;
    height: auto;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.1));
    transition: all var(--transition-normal);
    animation: logo-float 6s ease-in-out infinite;
}

.portfolio-logo-container:hover .portfolio-logo {
    transform: scale(1.05) rotate(2deg);
    filter: drop-shadow(0 8px 16px rgba(61, 169, 252, 0.3));
}

@keyframes logo-float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* ==============================================
   PROJECT TAGS
   ============================================== */
.project-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    margin-top: 8px;
}

.tag {
    background: rgba(61, 169, 252, 0.1);
    color: var(--primary);
    padding: 3px 8px;
    border-radius: 12px;
    font-size: 0.75rem;
    font-weight: 600;
    border: 1px solid rgba(61, 169, 252, 0.2);
    transition: all var(--transition-fast);
}

.tag:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.05);
}

/* ==============================================
   CARD ACTIONS
   ============================================== */
.card-actions {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
}

/* ==============================================
   SKELETON LOADING
   ============================================== */
.portfolio-item:not(.loaded) {
    opacity: 0;
    animation: none;
}

.portfolio-item.loaded {
    opacity: 1;
    animation: cardEntrance 0.8s ease forwards;
}

/* ==============================================
   NOTIFICATION SYSTEM
   ============================================== */
.portfolio-notification {
    position: fixed;
    top: 100px;
    right: 20px;
    background: var(--primary);
    color: white;
    padding: 12px 20px;
    border-radius: var(--border-radius);
    box-shadow: 0 4px 20px rgba(61, 169, 252, 0.3);
    z-index: 9999;
    font-weight: 600;
    transform: translateX(400px);
    transition: transform var(--transition-normal);
}

.portfolio-notification.show {
    transform: translateX(0);
}

/* ==============================================
   HERO FEATURE ICONS
   ============================================== */
.hero-features {
    margin-top: 2rem;
}

.feature-icon-card {
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 20px;
    padding: 25px 20px;
    transition: all var(--transition-normal);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    position: relative;
    overflow: hidden;
    text-align: center;
    height: 100%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.feature-icon-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.25), rgba(61, 169, 252, 0.1), transparent);
    transition: left var(--transition-normal);
    z-index: 0;
}

.feature-icon-card:hover::before {
    left: 100%;
}

.feature-icon-card:hover {
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.25);
    background: rgba(255, 255, 255, 0.18);
    border-color: rgba(61, 169, 252, 0.3);
}

.feature-icon {
    width: 70px;
    height: 70px;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.95), rgba(255, 255, 255, 0.85));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px;
    font-size: 2rem;
    color: var(--primary);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    transition: all var(--transition-normal);
    position: relative;
    z-index: 1;
    border: 2px solid rgba(61, 169, 252, 0.2);
}

.feature-icon-card:hover .feature-icon {
    transform: scale(1.15) rotate(10deg);
    box-shadow: 0 10px 30px rgba(61, 169, 252, 0.3);
    border-color: var(--primary);
    background: linear-gradient(135deg, rgba(255, 255, 255, 1), rgba(61, 169, 252, 0.1));
}

.feature-title {
    font-size: 1.2rem;
    font-weight: 700;
    color: white;
    margin-bottom: 10px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.6);
    position: relative;
    z-index: 1;
    letter-spacing: 0.5px;
}

.feature-desc {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.95);
    margin: 0;
    line-height: 1.5;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.4);
    position: relative;
    z-index: 1;
    font-weight: 400;
}

/* Individual icon color variations */
.feature-icon-card:nth-child(1) .feature-icon {
    background: linear-gradient(135deg, #FFD700, #FFA500, #FF4500);
    color: #FFFFFF;
    box-shadow: 0 8px 25px rgba(255, 215, 0, 0.6);
}

.feature-icon-card:nth-child(2) .feature-icon {
    background: linear-gradient(135deg, #00BFFF, #1E90FF, #0000CD);
    color: #FFFFFF;
    box-shadow: 0 8px 25px rgba(0, 191, 255, 0.6);
}

.feature-icon-card:nth-child(3) .feature-icon {
    background: linear-gradient(135deg, #32CD32, #228B22, #006400);
    color: #FFFFFF;
    box-shadow: 0 8px 25px rgba(50, 205, 50, 0.6);
}

.feature-icon-card:nth-child(4) .feature-icon {
    background: linear-gradient(135deg, #FF1493, #DC143C, #8B0000);
    color: #FFFFFF;
    box-shadow: 0 8px 25px rgba(255, 20, 147, 0.6);
}

/* Enhanced hover effects for individual icons */
.feature-icon-card:nth-child(1):hover .feature-icon {
    background: linear-gradient(135deg, #FFD700, #FFA500, #FF4500);
    box-shadow: 0 12px 40px rgba(255, 215, 0, 0.8);
    transform: scale(1.2) rotate(15deg);
}

.feature-icon-card:nth-child(2):hover .feature-icon {
    background: linear-gradient(135deg, #00BFFF, #1E90FF, #0000CD);
    box-shadow: 0 12px 40px rgba(0, 191, 255, 0.8);
    transform: scale(1.2) rotate(15deg);
}

.feature-icon-card:nth-child(3):hover .feature-icon {
    background: linear-gradient(135deg, #32CD32, #228B22, #006400);
    box-shadow: 0 12px 40px rgba(50, 205, 50, 0.8);
    transform: scale(1.2) rotate(15deg);
}

.feature-icon-card:nth-child(4):hover .feature-icon {
    background: linear-gradient(135deg, #FF1493, #DC143C, #8B0000);
    box-shadow: 0 12px 40px rgba(255, 20, 147, 0.8);
    transform: scale(1.2) rotate(15deg);
}

/* ==============================================
   DARK MODE ADJUSTMENTS
   ============================================== */
body.dark-mode .portfolio-filter-panel,
body.dark-mode .portfolio-controls-bar {
    background: var(--card-bg);
    border-color: var(--border-color);
}

body.dark-mode .filter-btn {
    background: var(--section-bg);
    border-color: var(--border-color);
}

body.dark-mode .portfolio-search input,
body.dark-mode .portfolio-sort select {
    background: var(--section-bg);
    border-color: var(--border-color);
    color: var(--text-color);
}

body.dark-mode .view-options {
    background: var(--section-bg);
    border-color: var(--border-color);
}

body.dark-mode .view-btn:hover {
    background: var(--card-bg);
}

body.dark-mode .active-filters-container {
    background: var(--card-bg);
    border-color: var(--border-color);
}

body.dark-mode .portfolio-logo-container {
    background: linear-gradient(135deg, rgba(27, 47, 69, 0.3), rgba(27, 47, 69, 0.1));
    border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .portfolio-logo-container::before {
    background: linear-gradient(45deg, transparent, rgba(66, 165, 245, 0.1), transparent);
}

body.dark-mode .tag {
    background: rgba(66, 165, 245, 0.1);
    border-color: rgba(66, 165, 245, 0.2);
    color: var(--primary);
}

body.dark-mode .portfolio-notification {
    background: var(--secondary);
    box-shadow: 0 4px 20px rgba(9, 64, 103, 0.3);
}

body.dark-mode .feature-icon-card {
    background: rgba(27, 47, 69, 0.3);
    border-color: rgba(255, 255, 255, 0.1);
}

body.dark-mode .feature-icon-card:hover {
    background: rgba(27, 47, 69, 0.4);
}

body.dark-mode .feature-icon {
    background: linear-gradient(135deg, rgba(66, 165, 245, 0.2), rgba(66, 165, 245, 0.1));
    color: var(--primary);
}

body.dark-mode .feature-title {
    color: white;
}

body.dark-mode .feature-desc {
    color: rgba(255, 255, 255, 0.8);
}