/* ===============================================
   ADDITIONAL MODERN EFFECTS & ENHANCEMENTS
   =============================================== */

/* Modern Page Loader */
.page-loader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10000;
    transition: var(--transition-slow);
}

.page-loader.fade-out {
    opacity: 0;
    pointer-events: none;
}

.loader {
    width: 60px;
    height: 60px;
    border: 3px solid transparent;
    border-top: 3px solid var(--primary-purple);
    border-right: 3px solid var(--primary-cyan);
    border-bottom: 3px solid var(--primary-pink);
    border-left: 3px solid var(--primary-orange);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    position: relative;
}

.loader::before {
    content: '';
    position: absolute;
    top: -6px;
    left: -6px;
    right: -6px;
    bottom: -6px;
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    animation: spin 2s linear infinite reverse;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Floating Action Buttons */
.floating-buttons {
    position: fixed;
    right: 30px;
    bottom: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
}

.floating-btn {
    width: 60px;
    height: 60px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 20px;
    transition: var(--transition-medium);
    position: relative;
    overflow: hidden;
}

.floating-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-medium);
    z-index: -1;
}

.floating-btn:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 15px 30px rgba(99, 102, 241, 0.4);
}

.floating-btn:hover::before {
    opacity: 1;
}

.tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--bg-card);
    color: var(--text-primary);
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 14px;
    white-space: nowrap;
    opacity: 0;
    pointer-events: none;
    transition: var(--transition-medium);
    border: 1px solid var(--glass-border);
    backdrop-filter: blur(10px);
}

.floating-btn:hover .tooltip {
    opacity: 1;
    transform: translateY(-50%) translateX(-10px);
}

/* Modern Notifications */
.notification {
    position: fixed;
    top: 30px;
    right: 30px;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 20px;
    color: var(--text-primary);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
    transform: translateX(400px);
    opacity: 0;
    transition: var(--transition-medium);
    z-index: 9999;
    max-width: 350px;
    font-weight: 500;
}

.notification.show {
    transform: translateX(0);
    opacity: 1;
}

.notification i {
    margin-right: 10px;
    color: var(--primary-cyan);
    font-size: 18px;
}

/* Enhanced Footer */
.footer {
    background: linear-gradient(135deg, var(--bg-secondary) 0%, var(--bg-tertiary) 100%);
    padding: 80px 0 30px;
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: var(--gradient-primary);
}

.footer-content {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    padding: 0 30px;
}

.footer-section h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.social-links {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-link {
    width: 50px;
    height: 50px;
    background: var(--bg-glass);
    backdrop-filter: blur(10px);
    border: 1px solid var(--glass-border);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-primary);
    text-decoration: none;
    font-size: 18px;
    transition: var(--transition-medium);
}

.social-link:hover {
    transform: translateY(-3px);
    background: var(--gradient-primary);
    box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    transition: var(--transition-medium);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--text-primary);
    transform: translateX(5px);
}

.footer-section p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 10px;
}

.footer-section i {
    margin-right: 10px;
    color: var(--primary-cyan);
}

.footer-bottom {
    text-align: center;
    margin-top: 40px;
    padding-top: 30px;
    border-top: 1px solid var(--glass-border);
    color: var(--text-muted);
}

/* Modern Skills Section */
.skills-showcase {
    padding: 100px 0;
    background: linear-gradient(135deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
    position: relative;
    overflow: hidden;
}

.skills-showcase::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 25% 25%, rgba(99, 102, 241, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(236, 72, 153, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 60px;
    position: relative;
    z-index: 2;
}

.skill-card {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 24px;
    padding: 40px 30px;
    position: relative;
    transition: var(--transition-medium);
    overflow: hidden;
    height: auto;
    min-height: 320px;
}

.skill-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--gradient-primary);
    opacity: 0;
    transition: var(--transition-medium);
    z-index: -1;
}

.skill-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 30px 60px rgba(99, 102, 241, 0.3);
    border-color: rgba(99, 102, 241, 0.5);
}

.skill-card:hover::before {
    opacity: 0.05;
}

.skill-icon {
    width: 80px;
    height: 80px;
    background: var(--gradient-primary);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
    position: relative;
    overflow: hidden;
}

.skill-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
    transition: var(--transition-medium);
}

.skill-card:hover .skill-icon::before {
    left: 100%;
    transition: left 0.8s ease;
}

.skill-icon i {
    font-size: 2.5rem;
    color: white;
    z-index: 2;
    position: relative;
}

.skill-content h3 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 15px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.skill-content p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 25px;
    font-size: 1rem;
}

.skill-level {
    margin-bottom: 25px;
}

.level-indicator {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 10px;
}

.level-text {
    font-weight: 600;
    color: var(--primary-cyan);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.level-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--bg-tertiary);
    border: 2px solid var(--glass-border);
    transition: var(--transition-medium);
}

.dot.active {
    background: var(--gradient-primary);
    border-color: var(--primary-purple);
    box-shadow: 0 0 10px rgba(99, 102, 241, 0.5);
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.tag {
    background: var(--bg-tertiary);
    color: var(--text-primary);
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
    border: 1px solid var(--glass-border);
    transition: var(--transition-medium);
    backdrop-filter: blur(10px);
}

.tag:hover {
    background: var(--gradient-secondary);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(6, 182, 212, 0.3);
}

/* Responsive Design for Skills */
@media (max-width: 768px) {
    .skills-grid {
        grid-template-columns: 1fr;
        gap: 30px;
        margin-top: 40px;
    }
    
    .skill-card {
        padding: 30px 25px;
        min-height: auto;
    }
    
    .skill-icon {
        width: 70px;
        height: 70px;
        margin-bottom: 20px;
    }
    
    .skill-icon i {
        font-size: 2rem;
    }
    
    .skill-content h3 {
        font-size: 1.3rem;
    }
    
    .skill-content p {
        font-size: 0.95rem;
    }
}

@media (max-width: 480px) {
    .skills-showcase {
        padding: 60px 0;
    }
    
    .skill-card {
        padding: 25px 20px;
    }
    
    .skill-icon {
        width: 60px;
        height: 60px;
    }
    
    .skill-icon i {
        font-size: 1.8rem;
    }
    
    .level-dots {
        gap: 6px;
    }
    
    .dot {
        width: 10px;
        height: 10px;
    }
}

/* Timeline Enhancements */
.timeline-section {
    padding: 100px 0;
    background: var(--bg-primary);
    position: relative;
}

.timeline {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 30px;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--gradient-primary);
    transform: translateX(-50%);
}

.timeline-item {
    position: relative;
    margin-bottom: 50px;
    width: 50%;
}

.timeline-item:nth-child(odd) {
    left: 0;
    padding-right: 50px;
}

.timeline-item:nth-child(even) {
    left: 50%;
    padding-left: 50px;
}

.timeline-content {
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 16px;
    padding: 30px;
    position: relative;
    transition: var(--transition-medium);
}

.timeline-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

.timeline-item::before {
    content: '';
    position: absolute;
    top: 30px;
    width: 20px;
    height: 20px;
    background: var(--gradient-primary);
    border-radius: 50%;
    z-index: 2;
}

.timeline-item:nth-child(odd)::before {
    right: -10px;
}

.timeline-item:nth-child(even)::before {
    left: -10px;
}

/* Achievements Counter */
.achievements-counter {
    padding: 80px 0;
    background: var(--bg-secondary);
}

.counter-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 30px;
}

.counter-item {
    text-align: center;
    background: var(--bg-glass);
    backdrop-filter: blur(20px);
    border: 1px solid var(--glass-border);
    border-radius: 20px;
    padding: 40px 20px;
    transition: var(--transition-medium);
}

.counter-item:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(99, 102, 241, 0.2);
}

.counter-item i {
    font-size: 3rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
}

.counter {
    font-size: 3rem;
    font-weight: 800;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: block;
    margin-bottom: 10px;
}

.counter-item h4 {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
    .floating-buttons {
        right: 20px;
        bottom: 20px;
    }
    
    .floating-btn {
        width: 50px;
        height: 50px;
        font-size: 18px;
    }
    
    /* Mobile Counter Layout: 2 in first row, 1 centered in second row */
    .counter-container {
        display: grid;
        grid-template-columns: 1fr 1fr;
        grid-template-rows: auto auto;
        gap: 25px;
        max-width: 100%;
        padding: 0 20px;
    }
    
    .counter-item:nth-child(3) {
        /* Third item centered in second row */
        grid-column: 1 / -1;
        max-width: 280px;
        margin: 0 auto;
        width: 100%;
    }
    
    .counter-item {
        padding: 30px 15px;
    }
    
    .counter {
        font-size: 2.5rem;
    }
    
    .counter-item i {
        font-size: 2.5rem;
        margin-bottom: 15px;
    }
    
    .counter-item h4 {
        font-size: 0.9rem;
    }
    
    .notification {
        right: 20px;
        left: 20px;
        max-width: none;
        transform: translateY(-100px);
    }
    
    .notification.show {
        transform: translateY(0);
    }
    
    .timeline::before {
        left: 30px;
    }
    
    .timeline-item {
        width: 100%;
        left: 0 !important;
        padding-left: 70px !important;
        padding-right: 0 !important;
    }
    
    .timeline-item::before {
        left: 20px !important;
        right: auto !important;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .floating-buttons {
        right: 15px;
        bottom: 15px;
        gap: 10px;
    }
    
    .floating-btn {
        width: 45px;
        height: 45px;
        font-size: 16px;
    }
    
    .notification {
        top: 20px;
        right: 15px;
        left: 15px;
        padding: 15px;
        font-size: 14px;
    }
    
    /* Extra small mobile: maintain 2+1 layout but with smaller spacing */
    .counter-container {
        gap: 20px;
        padding: 0 15px;
    }
    
    .counter-item {
        padding: 25px 10px;
    }
    
    .counter {
        font-size: 2.2rem;
    }
    
    .counter-item i {
        font-size: 2.2rem;
    }
    
    .counter-item h4 {
        font-size: 0.8rem;
    }
}