/* Achievements Page CSS - Ultra Modern Design */

/* Axflo Brand CSS Variables */
:root {
    --primary-gold: #d6a019;
    --primary-gold-light: #ffcc00;
    --bg-dark: #0a0a0a;
    --bg-light: #fafafa;
    --bg-glass: rgba(255, 255, 255, 0.08);
    --bg-glass-hover: rgba(255, 255, 255, 0.12);
    --text-primary: #1a1a1a;
    --text-secondary: rgba(26, 26, 26, 0.7);
    --text-tertiary: rgba(26, 26, 26, 0.5);
    --text-dark: #000000;
    --text-white: #ffffff;
    --text-light-alpha: rgba(255, 255, 255, 0.9);
    --text-light-secondary: rgba(255, 255, 255, 0.7);
    --border-glass: rgba(214, 160, 25, 0.3);
    --shadow-primary: 0 20px 40px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 25px 50px rgba(0, 0, 0, 0.4);
    --blur-amount: 20px;
    --text-muted:var(--text-primary);
    --text-muted-light: rgba(26, 26, 26, 0.5);
    --transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    --transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    --background: rgb(214, 160, 25);
    --hover-color: #ffcc00;
    --primary-gradient: rgba(0, 0, 0, 0.8);
    --secondary-gradient: rgba(0, 0, 0, 1);
    --shadow-color: rgba(0, 0, 0, 0.3);
    --overlay-color: rgba(0, 0, 0, 0.5);
    --accent-glow: rgba(214, 160, 25, 0.3);
    --glass-border: rgba(214, 160, 25, 0.2);
    --news-section-bg: #141414;
    --card-bg: rgba(255, 255, 255, 0.6);
    --card-border: rgba(214, 160, 25, 0.15);
    --gradient-overlay: linear-gradient(135deg, rgba(214, 160, 25, 0.1) 0%, rgba(0, 0, 0, 0.3) 100%);
    --gradient-mesh: linear-gradient(135deg, rgba(214, 160, 25, 0.15) 0%, rgba(255, 204, 0, 0.08) 50%, rgba(0, 0, 0, 0.3) 100%);
    
    /* Achievement specific gradients using Axflo colors */
    --achievement-gradient: linear-gradient(135deg, var(--primary-gold) 0%, var(--primary-gold-light) 100%);
    --success-gradient: linear-gradient(135deg, #4facfe 0%, var(--primary-gold) 100%);
    --warning-gradient: linear-gradient(135deg, var(--primary-gold-light) 0%, #22c1c3 100%);
    --dark-gradient: linear-gradient(135deg, var(--bg-dark) 0%, #2a2a2a 100%);
    
    /* Axflo specific variables */
    --border-color: var(--card-border);
    --border-hover: var(--border-glass);
    --bg-primary: var(--bg-light);
    --bg-secondary: var(--bg-glass);
    --bg-card: var(--card-bg);
    --bg-overlay: var(--overlay-color);
    --shadow-sm: var(--shadow-primary);
    --shadow-md: var(--shadow-primary);
    --shadow-lg: var(--shadow-hover);
    --shadow-xl: var(--shadow-hover);
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 16px;
    --border-radius-xl: 24px;
}

/* Global Resets and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
        font-family: 'Epilogue', sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background: var(--bg-secondary);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* Hero Section */
.achievements-hero {
    position: relative;
    min-height: 120vh;
    display: flex;
    align-items: center;
    background: var(--bg-dark);
    color: white;
    overflow: hidden;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-mesh);
}

.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    overflow: hidden;
    pointer-events: none;
}

.floating-element {
    position: absolute;
    width: 60px;
    height: 60px;
    background: var(--bg-glass);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    animation: float 20s infinite linear;
    backdrop-filter: blur(var(--blur-amount));
}

@keyframes float {
    0% {
        transform: translateY(100vh) rotate(0deg);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-100px) rotate(360deg);
        opacity: 0;
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    margin-top: 6rem;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 800;
    margin-bottom: 1.5rem;
    background: linear-gradient(135deg, var(--text-white) 0%, var(--text-light-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 3rem;
    line-height: 1.8;
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-top: 4rem;
}

.stat-card {
    background: var(--bg-glass);
    backdrop-filter: blur(var(--blur-amount));
    border: 1px solid var(--glass-border);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    text-align: center;
    transition: var(--transition-smooth);
}

.stat-card:hover {
    transform: translateY(-8px);
    background: var(--bg-glass-hover);
    box-shadow: var(--shadow-hover);
}

.stat-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--achievement-gradient);
    border-radius: 50%;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
    background: linear-gradient(135deg, var(--text-white) 0%, var(--text-light-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Filter Section */
.filter-section {
    background: var(--bg-primary);
    padding: 2rem 0;
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 100;
    backdrop-filter: blur(20px);
    background: rgba(255, 255, 255, 0.95);
}

.filter-tabs {
    display: flex;
    gap: 1rem;
    justify-content: center;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border: 2px solid var(--border-color);
    background: transparent;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    color: var(--text-secondary);
    cursor: pointer;
    transition: var(--transition-smooth);
    font-size: 0.875rem;
}

.filter-btn:hover {
    border-color: var(--border-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.filter-btn.active {
    background: var(--achievement-gradient);
    border-color: transparent;
    color: white;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.controls-section {
    display: flex;
    gap: 1rem;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
}

.search-box {
    position: relative;
    min-width: 300px;
}

.search-box i {
    position: absolute;
    left: 1rem;
    top: 50%;
    transform: translateY(-50%);
    color: var(--text-muted);
}

.search-box input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    font-size: 0.875rem;
    transition: var(--transition-smooth);
    background: var(--bg-primary);
}

.search-box input:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

.sort-dropdown select {
    padding: 0.75rem 1rem;
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius-md);
    background: var(--bg-primary);
    font-size: 0.875rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.sort-dropdown select:focus {
    outline: none;
    border-color: var(--primary-gold);
    box-shadow: 0 0 0 3px var(--accent-glow);
}

/* Featured Section */
.featured-section {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
    background: var(--achievement-gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-secondary);
    max-width: 600px;
    margin: 0 auto;
}

.featured-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 2rem;
}

.featured-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-color);
}

.featured-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
}

.featured-image {
    position: relative;
    height: 250px;
    overflow: hidden;
}

.featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-smooth);
}

.featured-card:hover .featured-image img {
    transform: scale(1.05);
}

.placeholder-image {
    width: 100%;
    height: 100%;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: white;
}

.achievement-badge {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.badge {
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-lg);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: white;
}

.badge.award { background: var(--warning-gradient); }
.badge.certification { background: var(--success-gradient); }
.badge.milestone { background: var(--achievement-gradient); }
.badge.recognition { background: var(--primary-gold); }
.badge.project_success { background: var(--dark-gradient); }

.featured-content {
    padding: 2rem;
}

.achievement-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    font-size: 0.875rem;
}

.category {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
}

.date {
    color: var(--text-muted);
}

.achievement-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.achievement-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.impact-metrics {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
    flex-wrap: wrap;
}

.metric {
    text-align: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    flex: 1;
    min-width: 120px;
}

.metric-value {
    display: block;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
}

.metric-label {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-actions {
    display: flex;
    gap: 1rem;
}

.btn-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--primary-gradient);
    color: white;
    text-decoration: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    transition: var(--transition-smooth);
}

.btn-link:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Content Section */
.content-section {
    padding: 4rem 0;
}

.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 3rem;
}

/* Achievement Cards */
.achievement-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-color);
    position: relative;
}

.achievement-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.card-image {
    position: relative;
    height: 200px;
    overflow: hidden;
}

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

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-overlay);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition-smooth);
}

.achievement-card:hover .card-overlay {
    opacity: 1;
}

.btn-view {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: var(--achievement-gradient);
    color: white;
    border: none;
    border-radius: var(--border-radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-bounce);
}

.btn-view:hover {
    transform: scale(1.05);
}

.card-content {
    padding: 1.5rem;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.category-tag {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.achievement-type {
    font-size: 0.75rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
    line-height: 1.3;
}

.card-description {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.875rem;
    color: var(--text-muted);
}

.achievement-date {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.external-link {
    color: var(--text-muted);
    transition: var(--transition-smooth);
}

.external-link:hover {
    color: var(--primary-gold);
    transform: scale(1.1);
}

/* Portfolio Cards */
.portfolio-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-color);
}

.portfolio-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.project-status {
    position: absolute;
    top: 1rem;
    left: 1rem;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    color: white;
}

.project-status.featured { background: var(--warning-gradient); }
.project-status.standard { background: var(--success-gradient); }
.project-status.archived { background: var(--text-muted); }

.project-type {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text-primary);
}

.project-location {
    display: flex;
    align-items: center;
    gap: 0.25rem;
    font-size: 0.75rem;
    color: var(--text-muted);
}

.card-client {
    font-size: 0.875rem;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.project-stats {
    display: flex;
    gap: 1rem;
    margin: 1rem 0;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 0.75rem;
    background: var(--bg-secondary);
    border-radius: var(--border-radius-md);
    flex: 1;
    min-width: 80px;
}

.stat-value {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-primary);
}

.stat-label {
    font-size: 0.625rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.project-duration {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

/* Milestone Cards */
.milestone-card {
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition-smooth);
    border: 1px solid var(--border-color);
    display: flex;
    gap: 1.5rem;
    align-items: center;
}

.milestone-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-xl);
}

.milestone-year {
    background: var(--achievement-gradient);
    color: white;
    padding: 1rem;
    border-radius: var(--border-radius-lg);
    text-align: center;
    min-width: 80px;
}

.year {
    font-size: 1.5rem;
    font-weight: 800;
}

.milestone-content {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex: 1;
}

.milestone-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: var(--bg-secondary);
    border-radius: 50%;
    font-size: 1.5rem;
    color: var(--text-primary);
}

.milestone-info {
    flex: 1;
}

.milestone-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
}

.milestone-description {
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.milestone-date {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.milestone-image {
    width: 80px;
    height: 80px;
    border-radius: var(--border-radius-md);
    overflow: hidden;
}

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

/* Timeline Section */
.timeline-section {
    padding: 4rem 0;
    background: var(--bg-primary);
}

.timeline {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.timeline::before {
    content: '';
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 100%;
    background: var(--achievement-gradient);
    border-radius: 2px;
}

.timeline-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
}

.timeline-item:nth-child(odd) {
    flex-direction: row-reverse;
}

.timeline-item:nth-child(odd) .timeline-content {
    text-align: right;
}

.timeline-marker {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 60px;
    background: var(--achievement-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    z-index: 2;
    box-shadow: var(--shadow-hover);
}

.timeline-content {
    flex: 1;
    padding: 2rem;
    background: var(--bg-card);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    margin: 0 3rem;
    border: 1px solid var(--border-color);
}

.timeline-year {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary-gold);
    margin-bottom: 0.5rem;
}

.timeline-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.timeline-description {
    color: var(--text-secondary);
    line-height: 1.6;
}

/* Load More Section */
.load-more-section {
    text-align: center;
    margin-top: 3rem;
}

.btn-load-more {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    background: var(--achievement-gradient);
    color: white;
    border: none;
    border-radius: var(--border-radius-lg);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-load-more:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    z-index: 1000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
}

.modal-content {
    background-color: var(--bg-primary);
    margin: 5% auto;
    padding: 0;
    border-radius: var(--border-radius-xl);
    width: 90%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
    box-shadow: var(--shadow-xl);
    animation: modalSlideIn 0.3s ease-out;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 2rem;
    border-bottom: 1px solid var(--border-color);
    background: var(--bg-secondary);
    border-radius: var(--border-radius-xl) var(--border-radius-xl) 0 0;
}

.modal-header h2 {
    margin: 0;
    font-size: 1.5rem;
    font-weight: 700;
}

.modal-close {
    font-size: 2rem;
    font-weight: bold;
    cursor: pointer;
    color: var(--text-muted);
    transition: var(--transition-smooth);
    line-height: 1;
}

.modal-close:hover,
.modal-close:focus {
    color: var(--text-primary);
    transform: scale(1.1);
}

.modal-body {
    padding: 2rem;
}

/* Responsive Design */
@media (max-width: 768px) {
    .container {
        padding: 0 16px;
    }
    
    .hero-title {
        font-size: 2.5rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
    }
    
    .stat-card {
        padding: 1.5rem;
    }
    
    .filter-tabs {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 1rem;
    }
    
    .controls-section {
        flex-direction: column;
        align-items: stretch;
    }
    
    .search-box {
        min-width: auto;
    }
    
    .featured-grid {
        grid-template-columns: 1fr;
    }
    
    .achievements-grid {
        grid-template-columns: 1fr;
    }
    
    .milestone-card {
        flex-direction: column;
        text-align: center;
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        flex-direction: row !important;
        padding-left: 60px;
    }
    
    .timeline-item .timeline-content {
        text-align: left !important;
        margin: 0;
    }
    
    .timeline-marker {
        left: 30px;
        transform: translateX(-50%);
    }
    
    .modal-content {
        width: 95%;
        margin: 10% auto;
    }
    
    .modal-header,
    .modal-body {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .achievements-hero {
        min-height: 80vh;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .featured-card,
    .achievement-card,
    .portfolio-card {
        margin: 0 -8px;
    }
}

/* Animation utilities */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: var(--transition-smooth);
}

.fade-in-up.animate {
    opacity: 1;
    transform: translateY(0);
}

.scale-in {
    opacity: 0;
    transform: scale(0.9);
    transition: var(--transition-bounce);
}

.scale-in.animate {
    opacity: 1;
    transform: scale(1);
}

/* Hide elements initially for filtering */
.achievements-grid > * {
    transition: var(--transition-smooth);
}

.achievements-grid > *.hidden {
    display: none;
}

/* Loading states */
.loading {
    opacity: 0.6;
    pointer-events: none;
}

.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary) 25%, var(--border-color) 50%, var(--bg-secondary) 75%);
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% {
        background-position: 200% 0;
    }
    100% {
        background-position: -200% 0;
    }
}