/* Modern Tabs Fixed v4 - Clean and Proper Layout */
/* Fixes all overlapping, responsive issues, and proper tab display */
/* Production-ready with performance optimizations */

/* CSS Custom Properties for easier maintenance */
:root {
    --tab-primary-color: #667eea;
    --tab-bg-light: #f8f9fa;
    --tab-text-color: #333;
    --tab-border-radius: 8px;
    --tab-transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --tab-shadow: 0 4px 15px rgba(0,0,0,0.1);
    --tab-hover-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.modern-tabs-section {
    padding: 80px 0 !important;
    background: var(--tab-bg-light) !important;
    position: relative;
    overflow: hidden;
    /* Performance optimization */
    will-change: auto;
    contain: layout style;
}

.modern-tabs-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.8);
    z-index: 1;
}

.modern-tabs-section .container {
    position: relative;
    z-index: 2;
}

.modern-tabs-section h2 {
    text-align: center;
    margin-bottom: 50px;
    color: #333;
    font-weight: 700;
    font-size: 2.5rem;
}

/* Tab Wrapper - Ensures proper containment */
.modern-tabs-wrapper {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Tab Navigation - Fixed Layout */
.modern-tab-nav {
    display: flex !important;
    justify-content: center;
    align-items: center;
    margin-bottom: 50px;
    flex-wrap: wrap;
    gap: 15px;
    padding: 0;
    max-width: 100%;
    overflow: visible;
    position: relative;
    z-index: 10;
}

.tab-button {
    background: rgba(255, 255, 255, 0.9);
    border: 2px solid rgba(51, 51, 51, 0.1);
    color: var(--tab-text-color);
    padding: 14px 20px;
    border-radius: var(--tab-border-radius);
    cursor: pointer;
    transition: var(--tab-transition);
    font-weight: 600;
    font-size: 0.95rem;
    text-decoration: none;
    white-space: nowrap;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    flex: 0 0 auto;
    min-height: 50px;
    box-shadow: var(--tab-shadow);
    outline: none;
    /* Performance optimizations */
    will-change: transform, box-shadow;
    transform: translateZ(0);
}

.tab-button:hover {
    background: rgba(255, 255, 255, 1);
    border-color: rgba(102, 126, 234, 0.3);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    color: #333;
    text-decoration: none;
}

.tab-button.active {
    background: #2E36EB;
    color: white;
    border-color: #2E36EB;
    box-shadow: 0 8px 30px rgba(102, 126, 234, 0.4);
    transform: translateY(-2px);
}

.tab-button.active:hover {
    color: white;
    transform: translateY(-2px);
}

/* Tab Icons and Text */
.tab-icon {
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tab-text {
    font-weight: 600;
    line-height: 1;
}

/* Tab Content */
.modern-tabs-content {
    position: relative;
    min-height: 500px;
    margin-top: 40px;
    z-index: 5;
}

.tab-content {
    display: none !important;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.5s ease;
    background: white !important;
    border-radius: 20px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border: 1px solid rgba(0,0,0,0.05);
    position: relative;
}

.tab-content.active {
    display: block !important;
    opacity: 1 !important;
    transform: translateY(0) !important;
}

.tab-content h3 {
    color: #333;
    margin-bottom: 20px;
    font-size: 1.8rem;
    font-weight: 700;
}

.tab-content p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.tab-content ul {
    list-style: none;
    padding: 0;
    margin: 20px 0;
}

.tab-content ul li {
    padding: 8px 0;
    color: #555;
    position: relative;
    padding-left: 25px;
}

.tab-content ul li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: #667eea;
    font-weight: bold;
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.feature-item {
    background: rgba(102, 126, 234, 0.1);
    padding: 20px;
    border-radius: 12px;
    border: 1px solid rgba(102, 126, 234, 0.2);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.2);
}

.feature-item h4 {
    color: #667eea;
    margin-bottom: 10px;
    font-size: 1.2rem;
    font-weight: 600;
}

.feature-item p {
    color: #666;
    margin: 0;
    font-size: 0.95rem;
}

/* Floating Cards for Technology Icons */
.modern-image-wrapper {
    position: relative;
    display: inline-block;
    width: 100%;
}

.modern-image-wrapper .main-image {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
}

.floating-card {
    position: absolute;
    background: white;
    padding: 12px 16px;
    border-radius: 50px;
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
    display: flex;
    align-items: center;
    gap: 8px;
    font-weight: 600;
    font-size: 0.9rem;
    color: #333;
    z-index: 10;
    transition: all 0.3s ease;
    animation: float 3s ease-in-out infinite;
}

.floating-card:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 0 12px 35px rgba(0,0,0,0.2);
}

.floating-card i {
    font-size: 1.2rem;
}

/* Individual card positioning */
.floating-card.card-1 {
    top: 15%;
    right: -10px;
    animation-delay: 0s;
}

.floating-card.card-2 {
    top: 45%;
    right: -15px;
    animation-delay: 1s;
}

.floating-card.card-3 {
    top: 75%;
    right: -5px;
    animation-delay: 2s;
}

/* Brand color icons */
.floating-card .fa-html5 {
    color: #e34f26;
}

.floating-card .fa-react {
    color: #61dafb;
}

.floating-card .fa-node-js {
    color: #339933;
}

.floating-card .fa-apple {
    color: #000000;
}

.floating-card .fa-android {
    color: #3ddc84;
}

.floating-card .fa-flutter {
    color: #02569b;
}

.floating-card .fa-aws {
    color: #ff9900;
}

.floating-card .fa-microsoft {
    color: #00bcf2;
}

.floating-card .fa-google {
    color: #4285f4;
}

/* Float animation */
@keyframes float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-10px);
    }
}

/* Tab content structure improvements */
.tab-content-left {
    padding-right: 30px;
}

.tab-content-right {
    position: relative;
}

.feature-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.feature-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
    color: #555;
}

.feature-list li i {
    color: #667eea;
    font-size: 1rem;
    width: 16px;
    flex-shrink: 0;
}

.buttons-group {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.buttons-group .theme-btn1,
.buttons-group .theme-btn2 {
    padding: 12px 24px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.buttons-group .theme-btn1 {
    background: #2E36EB;
    color: white;
    border: 2px solid #667eea;
}

.buttons-group .theme-btn1:hover {
    background: transparent;
    color: #667eea;
    transform: translateY(-2px);
}

.buttons-group .theme-btn2 {
    background: transparent;
    color: #667eea;
    border: 2px solid #667eea;
}

.buttons-group .theme-btn2:hover {
    background: #2E36EB;
    color: white;
    transform: translateY(-2px);
}

/* Responsive Design */
@media (max-width: 1024px) {
    .modern-tabs-section {
        padding: 60px 0;
    }
    
    .modern-tabs-section h2 {
        font-size: 2.2rem;
        margin-bottom: 40px;
    }
    
    .modern-tab-nav {
        gap: 12px;
        margin-bottom: 40px;
    }
    
    .tab-button {
        padding: 12px 18px;
        font-size: 0.9rem;
        min-height: 46px;
    }
    
    .tab-content {
        padding: 30px;
        margin-top: 30px;
    }
}

@media (max-width: 768px) {
    .modern-tabs-section {
        padding: 50px 0;
    }
    
    .modern-tabs-wrapper {
        padding: 0 15px;
    }
    
    .modern-tabs-section h2 {
        font-size: 1.9rem;
        margin-bottom: 35px;
    }
    
    .modern-tab-nav {
        gap: 8px;
        margin-bottom: 35px;
        justify-content: flex-start;
        overflow-x: auto;
        padding: 10px;        scroll-behavior: smooth;
    }
    
    .modern-tab-nav::-webkit-scrollbar {
        display: none;
    }
    
    .tab-button {
        padding: 10px 16px;
        font-size: 0.85rem;
        min-height: 42px;
        flex-shrink: 0;
    }
    
    .tab-text {
        display: none;
    }
    
    .tab-icon {
        font-size: 1.1rem;
    }
    
    .tab-content {
        padding: 25px 20px;
        margin-top: 25px;
    }
    
    .tab-content h3 {
        font-size: 1.5rem;
    }
    
    .tab-content p {
        font-size: 1rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: 15px;
    }
    
    .floating-card {
        position: static;
        display: inline-flex;
        margin: 5px;
        animation: none;
    }
    
    .floating-card.card-1,
    .floating-card.card-2,
    .floating-card.card-3 {
        position: static;
        top: auto;
        right: auto;
    }
    
    .tab-content-left {
        padding-right: 0;
        margin-bottom: 30px;
    }
    
    .modern-image-wrapper {
        text-align: center;
    }
    
    .modern-image-wrapper::after {
        content: '';
        display: block;
        margin-top: 15px;
    }
}

@media (max-width: 480px) {
    .modern-tabs-section {
        padding: 40px 0;
    }
    
    .modern-tabs-wrapper {
        padding: 0 10px;
    }
    
    .modern-tabs-section h2 {
        font-size: 1.6rem;
        margin-bottom: 30px;
    }
    
    .modern-tab-nav {
        margin-bottom: 30px;
        padding: 8px;
        gap: 6px;
    }
    
    .tab-button {
        padding: 8px 12px;
        min-height: 38px;
        min-width: 50px;
    }
    
    .tab-icon {
        font-size: 1rem;
    }
    
    .tab-content {
        padding: 20px 15px;
        margin-top: 20px;
    }
    
    .tab-content h3 {
        font-size: 1.3rem;
    }
    
    .feature-item {
        padding: 15px;
    }
    
    .feature-item h4 {
        font-size: 1.1rem;
    }
    
    .feature-item p {
        font-size: 0.9rem;
    }
}

/* Animation and Performance */
.tab-button,
.tab-content,
.feature-item {
    will-change: transform;
}

/* Accessibility */
.tab-button:focus {
    outline: 2px solid rgba(255, 255, 255, 0.8);
    outline-offset: 2px;
}

.tab-button:focus:not(:focus-visible) {
    outline: none;
}

/* High DPI Support */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .tab-content {
        border: 0.5px solid rgba(255, 255, 255, 0.3);
    }
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
    .tab-button,
    .tab-content,
    .feature-item {
        transition: none;
    }
    
    .tab-button:hover {
        transform: none;
    }
    
    .tab-content.active {
        transform: none;
    }
    
    .feature-item:hover {
        transform: none;
    }
}