/* ===========================
   PORTFOLIO IMAGE OPTIMIZATION
   =========================== */

.portfolio-image-container {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    background: #1a1a1a;
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
    transition: opacity 0.3s ease, transform 0.3s ease;
    opacity: 0;
    display: block;
    position: absolute;
    top: 0;
    left: 0;
}

.portfolio-image.loaded {
    opacity: 1;
}

.portfolio-item:hover .portfolio-image {
    transform: scale(1.05);
}

.image-loading {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(26, 26, 26, 0.9);
    z-index: 1;
}

.loading-spinner {
    width: 40px;
    height: 40px;
    border: 3px solid rgba(91, 163, 208, 0.2);
    border-top: 3px solid var(--primary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

/* Portfolio Grid Optimizations */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 60px;
}

.portfolio-item {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    cursor: pointer;
}

.portfolio-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.portfolio-info {
    padding: 20px;
}

.portfolio-info h3 {
    color: var(--text-primary);
    font-size: 1.2rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.portfolio-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    line-height: 1.5;
}

/* Mobile Optimizations */
@media (max-width: 768px) {
    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        margin-top: 40px;
    }
    
    .portfolio-image {
        height: 200px;
    }
    
    .loading-spinner {
        width: 30px;
        height: 30px;
        border-width: 2px;
    }
}

/* ===========================
   WHATSAPP WIDGET - NEW DESIGN
   =========================== */

.whatsapp-widget {
    position: fixed;
    bottom: 30px;
    right: 30px;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
}

.whatsapp-button {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    border-radius: 50%;
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
    text-decoration: none;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.whatsapp-button:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 15px 35px rgba(37, 211, 102, 0.6);
}

.whatsapp-icon {
    position: relative;
    z-index: 2;
    color: white;
    font-size: 28px;
    transition: transform 0.3s ease;
}

.whatsapp-button:hover .whatsapp-icon {
    transform: scale(1.1);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(0, 0, 0, 0.9);
    color: white;
    padding: 12px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.whatsapp-tooltip .tooltip-arrow {
    position: absolute;
    right: -6px;
    top: 50%;
    transform: translateY(-50%);
    width: 0;
    height: 0;
    border-left: 6px solid rgba(0, 0, 0, 0.9);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}

.whatsapp-button:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    transform: translateY(-50%) translateX(-10px);
}

/* Pulse Animation */
.whatsapp-pulse,
.whatsapp-pulse-delayed {
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 60px;
    border: 2px solid #25D366;
    border-radius: 50%;
    opacity: 0;
    animation: whatsapp-pulse 2s infinite;
}

.whatsapp-pulse-delayed {
    animation-delay: 1s;
}

@keyframes whatsapp-pulse {
    0% {
        transform: scale(1);
        opacity: 1;
    }
    100% {
        transform: scale(2);
        opacity: 0;
    }
}

/* Floating Animation - REMOVED */
/* .whatsapp-button {
    animation: whatsapp-float 3s ease-in-out infinite;
}

@keyframes whatsapp-float {
    0%, 100% {
        transform: translateY(0px);
    }
    50% {
        transform: translateY(-5px);
    }
} */

/* Mobile Responsive */
@media (max-width: 768px) {
    .whatsapp-widget {
        bottom: 20px;
        right: 20px;
        width: 55px;
        height: 55px;
    }
    
    .whatsapp-button {
        width: 55px;
        height: 55px;
    }
    
    .whatsapp-icon {
        font-size: 24px;
    }
    
    .whatsapp-tooltip {
        right: 65px;
        font-size: 13px;
        padding: 10px 14px;
    }
    
    .whatsapp-pulse,
    .whatsapp-pulse-delayed {
        width: 55px;
        height: 55px;
    }
}

@media (max-width: 480px) {
    .whatsapp-widget {
        bottom: 15px;
        right: 15px;
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-button {
        width: 50px;
        height: 50px;
    }
    
    .whatsapp-icon {
        font-size: 22px;
    }
    
    .whatsapp-tooltip {
        right: 60px;
        font-size: 12px;
        padding: 8px 12px;
    }
    
    .whatsapp-pulse,
    .whatsapp-pulse-delayed {
        width: 50px;
        height: 50px;
    }
}

/* ===========================
   BEFORE/AFTER SECTION
   =========================== */

.before-after {
    padding: 100px 0;
    background: var(--darker-bg);
}

.comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 40px;
    margin-top: 60px;
}

.comparison-item {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.comparison-item:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

.comparison-slider {
    position: relative;
    overflow: hidden;
    border-radius: var(--border-radius);
    aspect-ratio: 3/2;
    cursor: ew-resize;
    user-select: none;
}

.comparison-images {
    position: relative;
    width: 100%;
    height: 100%;
}

.img-before,
.img-after {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.img-after {
    clip-path: polygon(0 0, var(--slider-position, 50%) 0, var(--slider-position, 50%) 100%, 0 100%);
}

.comparison-line {
    position: absolute;
    top: 0;
    left: var(--slider-position, 50%);
    width: 3px;
    height: 100%;
    background: var(--primary-color);
    transform: translateX(-50%);
    pointer-events: none;
    z-index: 2;
}

.comparison-line::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    border-radius: 50%;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
}

.comparison-line::after {
    content: '⇄';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: white;
    font-size: 20px;
    font-weight: bold;
    z-index: 1;
}

.comparison-range {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    margin: 0;
    padding: 0;
    opacity: 0;
    cursor: ew-resize;
    z-index: 3;
}

.comparison-labels {
    display: flex;
    justify-content: space-between;
    margin: 15px 0 10px;
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
}

.label-before {
    color: var(--text-gray);
}

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

.comparison-item h3 {
    margin-top: 15px;
    font-size: 1.2rem;
    color: var(--text-light);
}

.comparison-item p {
    margin-top: 8px;
    color: var(--text-gray);
    font-size: 0.95rem;
}

/* ===========================
   FAQ SECTION
   =========================== */

.faq {
    padding: 100px 0;
    background: var(--dark-bg);
}

.faq-container {
    max-width: 900px;
    margin: 60px auto 0;
}

.faq-item {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.faq-item:hover {
    box-shadow: var(--shadow-hover);
}

.faq-question {
    width: 100%;
    padding: 25px 30px;
    background: transparent;
    border: none;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-light);
    text-align: left;
    transition: var(--transition);
}

.faq-question:hover {
    color: var(--primary-color);
}

.faq-question i {
    font-size: 1rem;
    color: var(--primary-color);
    transition: var(--transition);
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer p {
    padding: 0 30px 30px;
    color: var(--text-gray);
    line-height: 1.8;
    font-size: 1rem;
}

/* ===========================
   RESPONSIVE
   =========================== */

@media (max-width: 768px) {
    .comparison-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    
    .faq-question {
        padding: 20px;
        font-size: 1rem;
    }
    
    .faq-answer p {
        padding: 0 20px 20px;
        font-size: 0.95rem;
    }
    
    .comparison-line::before {
        width: 35px;
        height: 35px;
    }
    
    .comparison-line::after {
        font-size: 18px;
    }
}

/* ===========================
   PORTFOLIO ENHANCED ANIMATIONS
   =========================== */

/* Enhanced Portfolio Grid */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
    perspective: 1000px;
}

/* Enhanced Portfolio Item */
.portfolio-item {
    background: var(--card-bg);
    border-radius: var(--border-radius);
    overflow: hidden;
    cursor: pointer;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    position: relative;
    transform-style: preserve-3d;
    opacity: 0;
    animation: portfolioSlideIn 0.6s ease-out forwards;
}

/* Staggered animation for each item */
.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; }

/* Enhanced Hover Effects */
.portfolio-item:hover {
    transform: translateY(-12px) rotateX(5deg) rotateY(5deg);
    box-shadow: 
        0 20px 40px rgba(91, 163, 208, 0.2),
        0 0 30px rgba(91, 163, 208, 0.1),
        inset 0 1px 0 rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(91, 163, 208, 0.3);
}

/* Glow effect on hover */
.portfolio-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, 
        rgba(91, 163, 208, 0.1) 0%, 
        transparent 50%, 
        rgba(91, 163, 208, 0.1) 100%);
    opacity: 0;
    transition: opacity 0.3s ease;
    pointer-events: none;
    border-radius: var(--border-radius);
}

.portfolio-item:hover::before {
    opacity: 1;
}

/* Enhanced Image Effects */
.portfolio-image {
    width: 100%;
    height: 250px;
    object-fit: cover;
    background: var(--darker-bg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.portfolio-image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, 
        transparent 30%, 
        rgba(91, 163, 208, 0.1) 50%, 
        transparent 70%);
    transform: translateX(-100%);
    transition: transform 0.6s ease;
}

.portfolio-item:hover .portfolio-image {
    transform: scale(1.05);
    filter: brightness(1.1) contrast(1.1);
}

.portfolio-item:hover .portfolio-image::after {
    transform: translateX(100%);
}

/* Enhanced Info Section */
.portfolio-info {
    padding: 1.5rem;
    position: relative;
    background: linear-gradient(135deg, 
        var(--card-bg) 0%, 
        rgba(91, 163, 208, 0.02) 100%);
    transition: all 0.3s ease;
}

.portfolio-item:hover .portfolio-info {
    background: linear-gradient(135deg, 
        var(--card-bg) 0%, 
        rgba(91, 163, 208, 0.05) 100%);
}

.portfolio-info h3 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    transition: color 0.3s ease;
    position: relative;
}

.portfolio-item:hover .portfolio-info h3 {
    color: var(--primary-color);
    text-shadow: 0 0 10px rgba(91, 163, 208, 0.3);
}

.portfolio-info p {
    color: var(--text-gray);
    font-size: 0.95rem;
    line-height: 1.6;
    transition: color 0.3s ease;
}

.portfolio-item:hover .portfolio-info p {
    color: var(--text-light);
}

/* Loading Animation */
@keyframes portfolioSlideIn {
    from {
        opacity: 0;
        transform: translateY(30px) rotateX(15deg);
    }
    to {
        opacity: 1;
        transform: translateY(0) rotateX(0deg);
    }
}

/* Pulse animation for loading state */
@keyframes portfolioPulse {
    0%, 100% {
        opacity: 0.6;
        transform: scale(1);
    }
    50% {
        opacity: 1;
        transform: scale(1.02);
    }
}

.portfolio-item.loading {
    animation: portfolioPulse 1.5s ease-in-out infinite;
}

/* Enhanced Focus States */
.portfolio-item:focus {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

.portfolio-item:focus-visible {
    outline: 2px solid var(--primary-color);
    outline-offset: 2px;
}

/* ===========================
   ANIMATIONS
   =========================== */

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

.faq-item.active .faq-answer p {
    animation: slideDown 0.4s ease-out;
}

/* ===========================
   ENHANCED MODAL STYLES
   =========================== */

/* Improved Modal Layout */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.95);
    animation: fadeIn 0.3s ease-out;
    padding: 20px;
    box-sizing: border-box;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Smaller, more manageable modal */
.modal-content {
    position: relative;
    max-width: 85vw;
    max-height: 85vh;
    width: 100%;
    animation: scaleIn 0.3s ease-out;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

/* Enhanced modal image */
#modalImage {
    max-width: 100%;
    max-height: 70vh;
    border-radius: var(--border-radius);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
    object-fit: contain;
}

/* Centered modal info */
.modal-info {
    margin-top: 1.5rem;
    text-align: center;
    max-width: 600px;
    width: 100%;
    padding: 0 20px;
}

.modal-info h3 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--text-light);
    font-weight: 600;
}

.modal-info p {
    color: var(--text-gray);
    font-size: 1rem;
    line-height: 1.6;
}

/* Improved button positioning */
.modal-close,
.modal-prev,
.modal-next {
    position: absolute;
    background: rgba(0, 0, 0, 0.8);
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.3);
    color: white;
    font-size: 20px;
    width: 45px;
    height: 45px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
}

.modal-close:hover,
.modal-prev:hover,
.modal-next:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: scale(1.1);
    box-shadow: 0 4px 15px rgba(91, 163, 208, 0.4);
}

/* Better close button positioning */
.modal-close {
    top: 10px;
    right: 10px;
    z-index: 15;
}

/* Navigation buttons */
.modal-prev {
    left: 10px;
    top: 50%;
    transform: translateY(-50%);
}

.modal-next {
    right: 10px;
    top: 50%;
    transform: translateY(-50%);
}

/* Mobile responsive adjustments */
@media (max-width: 768px) {
    .modal {
        padding: 10px;
    }
    
    .modal-content {
        max-width: 95vw;
        max-height: 90vh;
    }
    
    #modalImage {
        max-height: 60vh;
    }
    
    .modal-close {
        top: 5px;
        right: 5px;
        width: 40px;
        height: 40px;
        font-size: 18px;
    }
    
    .modal-prev,
    .modal-next {
        width: 40px;
        height: 40px;
        font-size: 16px;
    }
    
    .modal-prev {
        left: 5px;
    }
    
    .modal-next {
        right: 5px;
    }
    
    .modal-info {
        padding: 0 10px;
    }
    
    .modal-info h3 {
        font-size: 1.3rem;
    }
    
    .modal-info p {
        font-size: 0.9rem;
    }
}

@media (max-width: 480px) {
    .modal-content {
        max-width: 98vw;
        max-height: 95vh;
    }
    
    #modalImage {
        max-height: 50vh;
    }
    
    .modal-close {
        top: 2px;
        right: 2px;
        width: 35px;
        height: 35px;
        font-size: 16px;
    }
    
    .modal-prev,
    .modal-next {
        width: 35px;
        height: 35px;
        font-size: 14px;
    }
}