:root {
    --primary-color: #000000;
    --secondary-color: #d4af37;
    --accent-color: #ffffff;
    --text-color: #333333;
    --light-bg: #f8f9fa;
    --dark-bg: #121212;
    --gray-light: #f1f3f5;
    --gray-medium: #adb5bd;
    --gray-dark: #495057;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.15);
    --shadow-xl: 0 15px 50px rgba(0, 0, 0, 0.2);
    --gradient-primary: linear-gradient(135deg, var(--secondary-color) 0%, #b8941f 100%);
    --gradient-dark: linear-gradient(135deg, var(--primary-color) 0%, #2c2c2c 100%);
    --gradient-light: linear-gradient(135deg, var(--light-bg) 0%, #ffffff 100%);
    --border-radius-sm: 8px;
    --border-radius: 12px;
    --border-radius-lg: 20px;
    --border-radius-xl: 30px;
    --header-height: 80px;
}


* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    background-color: var(--accent-color);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}


@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(40px) scale(0.95);
    }

    to {
        opacity: 1;
        transform: translateY(0) scale(1);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-40px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInLeft {
    from {
        opacity: 0;
        transform: translateX(-40px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(40px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

@keyframes pulse {

    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.5;
    }
}

@keyframes shimmer {
    0% {
        background-position: -1000px 0;
    }

    100% {
        background-position: 1000px 0;
    }
}

@keyframes ripple {
    0% {
        transform: scale(0);
        opacity: 1;
    }

    100% {
        transform: scale(4);
        opacity: 0;
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}


.container {
    width: 100%;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 120px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 3rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 20px;
    position: relative;
    display: inline-block;
}

.section-title h2::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient-primary);
    border-radius: 2px;
}

.section-title p {
    color: var(--gray-dark);
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    line-height: 1.7;
}



.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--accent-color);
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
    border-radius: 5px;
    transition: var(--transition);
    z-index: 1002;
    width: 44px;
    height: 44px;
    align-items: center;
    justify-content: center;
}

.mobile-menu-btn:hover {
    background: rgba(255, 255, 255, 0.1);
}

.mobile-menu-btn.active {
    background: var(--secondary-color);
    color: var(--primary-color);
}

.mobile-menu-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(5px);
    z-index: 999;
    opacity: 0;
    visibility: hidden;
    transition: all 0.4s ease;
}

.mobile-menu-overlay.active {
    opacity: 1;
    visibility: visible;
}

.mobile-nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 85%;
    max-width: 400px;
    height: 100vh;
    background: var(--dark-bg);
    padding: 100px 30px 40px;
    display: flex;
    flex-direction: column;
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    z-index: 1000;
    overflow-y: auto;
}

.mobile-nav-links.active {
    transform: translateX(0);
}

.mobile-nav-links li {
    list-style: none;
    margin-bottom: 0;
}

.mobile-nav-links a {
    display: block;
    color: var(--accent-color);
    text-decoration: none;
    font-size: 18px;
    font-weight: 600;
    padding: 18px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.mobile-nav-links a:hover,
.mobile-nav-links a.active {
    color: var(--secondary-color);
    padding-left: 10px;
}

.mobile-nav-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--dark-bg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.mobile-menu-close {
    background: none;
    border: none;
    color: var(--accent-color);
    font-size: 24px;
    cursor: pointer;
    padding: 10px;
    transition: var(--transition);
}

.mobile-menu-close:hover {
    color: var(--secondary-color);
    transform: rotate(90deg);
}


body[dir="rtl"] {
    text-align: right;
}

body[dir="rtl"] .logo {
    flex-direction: row-reverse;
}

body[dir="rtl"] .nav-links a::after {
    left: auto;
    right: 0;
}

body[dir="rtl"] .mobile-nav-links a:hover,
body[dir="rtl"] .mobile-nav-links a.active {
    padding-left: 0;
    padding-right: 10px;
}

body[dir="rtl"] .language-dropdown {
    right: auto;
    left: 0;
}

body[dir="rtl"] .mobile-nav-links {
    right: auto;
    left: 0;
    transform: translateX(-100%);
}

body[dir="rtl"] .mobile-nav-links.active {
    transform: translateX(0);
}

body[dir="rtl"] .section-title h2::after {
    left: 50%;
    transform: translateX(-50%);
}


.portfolio-hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    background: var(--gradient-dark);
    margin-top: var(--header-height);
    overflow: hidden;
    padding: 0 5%;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
    overflow: hidden;
}

.hero-background::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        radial-gradient(circle at 20% 50%, rgba(212, 175, 55, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(212, 175, 55, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    z-index: 1;
}

.floating-shapes {
    position: absolute;
    width: 100%;
    height: 100%;
    z-index: 2;
}

.shape {
    position: absolute;
    border-radius: 50%;
    background: rgba(212, 175, 55, 0.1);
    filter: blur(40px);
}

.shape-1 {
    width: 300px;
    height: 300px;
    top: 10%;
    left: 10%;
    animation: float 6s ease-in-out infinite;
}

.shape-2 {
    width: 200px;
    height: 200px;
    top: 60%;
    right: 15%;
    animation: float 8s ease-in-out infinite 1s;
}

.shape-3 {
    width: 150px;
    height: 150px;
    bottom: 20%;
    left: 20%;
    animation: float 7s ease-in-out infinite 0.5s;
}

.hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
    animation: fadeInUp 1s ease-out 0.3s both;
}

.hero-content h1 {
    font-size: 4.5rem;
    font-weight: 900;
    color: var(--accent-color);
    margin-bottom: 20px;
    line-height: 1.1;
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.hero-content h1 span {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    display: block;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 50px;
    line-height: 1.6;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.portfolio-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
    margin-top: 80px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 3.5rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 10px;
    line-height: 1;
}

.stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
}


.portfolio-filters {
    padding: 80px 0 40px;
    background: var(--light-bg);
}

.filters-container {
    max-width: 1000px;
    margin: 0 auto;
}

.filters-title {
    text-align: center;
    font-size: 1.2rem;
    color: var(--gray-dark);
    margin-bottom: 30px;
    font-weight: 500;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    gap: 15px;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 12px 28px;
    background: transparent;
    color: var(--gray-dark);
    border: 2px solid var(--gray-medium);
    border-radius: var(--border-radius-xl);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1rem;
    position: relative;
    overflow: hidden;
}

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

.filter-btn.active {
    background: var(--gradient-primary);
    color: var(--primary-color);
    border-color: transparent;
    box-shadow: var(--shadow-md);
}

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


.portfolio-grid-section {
    padding: 60px 0 120px;
    background: var(--light-bg);
}

.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 30px;
    margin: 0 auto;
}

.portfolio-item {
    background: var(--accent-color);
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-slow);
    opacity: 0;
    transform: translateY(30px);
    animation: fadeInUp 0.6s ease forwards;
    position: relative;
}

.portfolio-item.visible {
    opacity: 1;
    transform: translateY(0);
}

.portfolio-item:hover {
    transform: translateY(-15px);
    box-shadow: var(--shadow-xl);
}

.portfolio-image {
    position: relative;
    overflow: hidden;
    height: 280px;
    background: var(--gray-light);
}

.portfolio-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.portfolio-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent 50%);
    opacity: 0;
    transition: var(--transition);
    display: flex;
    align-items: flex-end;
    padding: 30px;
}

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

.portfolio-tag {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--gradient-primary);
    color: var(--primary-color);
    padding: 6px 16px;
    border-radius: var(--border-radius-xl);
    font-size: 0.8rem;
    font-weight: 700;
    z-index: 2;
    box-shadow: var(--shadow-sm);
}

.portfolio-content {
    padding: 25px;
}

.portfolio-content h3 {
    font-size: 1.4rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 10px;
}

.portfolio-content p {
    color: var(--gray-dark);
    font-size: 0.95rem;
    line-height: 1.6;
}

.view-project-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    background: transparent;
    color: var(--secondary-color);
    border: 2px solid var(--secondary-color);
    border-radius: var(--border-radius-xl);
    font-weight: 600;
    text-decoration: none;
    transition: var(--transition);
    margin-top: 20px;
    font-size: 0.95rem;
}

.view-project-btn:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
    transform: translateX(5px);
}


.project-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    z-index: 2000;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition-slow);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    overflow-y: auto;
}

.project-modal.active {
    opacity: 1;
    visibility: visible;
}

.modal-content {
    background: var(--accent-color);
    border-radius: var(--border-radius-lg);
    width: 100%;
    max-width: 1200px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: scaleIn 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: var(--shadow-xl);
}

.modal-close {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--primary-color);
    color: var(--accent-color);
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    cursor: pointer;
    z-index: 10;
    transition: var(--transition);
    font-size: 1.2rem;
}

.modal-close:hover {
    background: var(--secondary-color);
    transform: rotate(90deg);
}

.modal-gallery {
    position: relative;
    height: 400px;
    overflow: hidden;
    border-radius: var(--border-radius-lg) var(--border-radius-lg) 0 0;
}

.modal-gallery img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.gallery-nav {
    position: absolute;
    top: 50%;
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 20px;
    transform: translateY(-50%);
    z-index: 2;
}

.gallery-nav-btn {
    background: rgba(0, 0, 0, 0.5);
    color: var(--accent-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    transition: var(--transition);
    backdrop-filter: blur(5px);
}

.gallery-nav-btn:hover {
    background: var(--secondary-color);
    transform: scale(1.1);
}

.modal-body {
    padding: 40px;
}

.modal-header {
    margin-bottom: 30px;
}

.modal-header h3 {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 10px;
}

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

.modal-tag {
    background: var(--gray-light);
    color: var(--gray-dark);
    padding: 6px 16px;
    border-radius: var(--border-radius-xl);
    font-size: 0.85rem;
    font-weight: 600;
}

.modal-details {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    margin: 40px 0;
}

.modal-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--gray-dark);
}

.modal-sidebar {
    background: var(--light-bg);
    padding: 30px;
    border-radius: var(--border-radius);
}

.modal-sidebar h4 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.modal-list {
    list-style: none;
}

.modal-list li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.modal-list i {
    color: var(--secondary-color);
}

.modal-results {
    background: linear-gradient(135deg, rgba(212, 175, 55, 0.05), transparent);
    padding: 30px;
    border-radius: var(--border-radius);
    margin: 40px 0;
    border-left: 4px solid var(--secondary-color);
}

.modal-results h4 {
    font-size: 1.4rem;
    margin-bottom: 20px;
    color: var(--primary-color);
}

.result-item {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 15px;
}

.result-icon {
    width: 40px;
    height: 40px;
    background: var(--secondary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    font-size: 1.2rem;
}

.modal-cta {
    text-align: center;
    margin-top: 40px;
}


.case-studies {
    background: var(--accent-color);
    padding: 120px 0;
}

.case-study {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-bottom: 100px;
}

.case-study:nth-child(even) .case-study-content {
    order: 2;
}

.case-study:nth-child(even) .case-study-visual {
    order: 1;
}

.case-study-visual {
    position: relative;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
}

.case-study-visual img {
    width: 100%;
    height: auto;
    display: block;
}

.case-study-badge {
    position: absolute;
    top: 20px;
    left: 20px;
    background: var(--gradient-primary);
    color: var(--primary-color);
    padding: 8px 20px;
    border-radius: var(--border-radius-xl);
    font-weight: 700;
    font-size: 0.9rem;
}

.case-study-content {
    padding: 20px;
}

.case-study-content h3 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary-color);
    margin-bottom: 20px;
    line-height: 1.2;
}

.case-study-meta {
    display: flex;
    gap: 30px;
    margin-bottom: 30px;
    flex-wrap: wrap;
}

.meta-item {
    display: flex;
    flex-direction: column;
}

.meta-label {
    font-size: 0.9rem;
    color: var(--gray-medium);
    margin-bottom: 5px;
}

.meta-value {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--primary-color);
}

.case-study-description {
    font-size: 1.1rem;
    line-height: 1.7;
    color: var(--gray-dark);
    margin-bottom: 30px;
}

.case-study-results {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 20px;
    margin: 40px 0;
}
.result-box {
    background: var(--light-bg);
    padding: 0px;
    border-radius: var(--border-radius);
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
}

.result-box:hover {
    border-color: var(--secondary-color);
    transform: translateY(-5px);
}

.result-number {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 10px;
    line-height: 1;
}

.result-label {
    font-size: 0.9rem;
    color: var(--gray-dark);
    font-weight: 600;
}


.tools-section {
    background: var(--light-bg);
    padding: 120px 0;
}

.tools-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
    gap: 40px;
    max-width: 1000px;
    margin: 0 auto;
}

.tool-item {
    text-align: center;
    padding: 30px 20px;
    background: var(--accent-color);
    border-radius: var(--border-radius);
    transition: var(--transition);
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

.tool-item:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-xl);
}

.tool-item:hover::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

.tool-icon {
    font-size: 3rem;
    color: var(--gray-dark);
    margin-bottom: 20px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tool-item:hover .tool-icon {
    color: var(--secondary-color);
}

.tool-name {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--primary-color);
}


.testimonials-section {
    background: var(--accent-color);
    padding: 120px 0;
}

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

.testimonial-slide {
    display: none;
    animation: fadeIn 0.5s ease;
}

.testimonial-slide.active {
    display: block;
}

.testimonial-card {
    background: var(--light-bg);
    padding: 60px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
    position: relative;
}

.testimonial-quote {
    font-size: 1.5rem;
    line-height: 1.6;
    color: var(--gray-dark);
    margin-bottom: 30px;
    font-style: italic;
    position: relative;
}

.testimonial-quote::before {
    content: '"';
    font-size: 4rem;
    color: var(--secondary-color);
    position: absolute;
    top: -20px;
    left: -20px;
    opacity: 0.3;
}

.testimonial-author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
}

.author-avatar {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    object-fit: cover;
    border: 3px solid var(--secondary-color);
}

.author-info h4 {
    font-size: 1.2rem;
    color: var(--primary-color);
    margin-bottom: 5px;
}

.author-info p {
    color: var(--gray-medium);
    font-size: 0.9rem;
}

.testimonial-rating {
    color: #ffd700;
    font-size: 1.2rem;
    margin-bottom: 20px;
}

.slider-controls {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-top: 30px;
}

.slider-btn {
    background: transparent;
    border: 2px solid var(--secondary-color);
    color: var(--secondary-color);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: var(--transition);
    font-size: 1.2rem;
}

.slider-btn:hover {
    background: var(--secondary-color);
    color: var(--primary-color);
    transform: scale(1.1);
}

.slider-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 20px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--gray-light);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.slider-dot.active {
    background: var(--secondary-color);
    transform: scale(1.2);
}


.clients-section {
    background: var(--light-bg);
    padding: 60px 0; 
}


.clients-grid {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 15px;
    max-width: 1100px;
    margin: 30px auto 0;
}

.client-logo {
    padding: 10px; 
    background: var(--white);
    border-radius: 8px;
    filter: grayscale(1);
    opacity: 0.8;
    height: 90px; 
    display: flex;
    align-items: center;
    justify-content: center;
}

.client-logo:hover {
    filter: grayscale(0);
    opacity: 1;
    transform: translateY(-3px); 
    box-shadow: var(--shadow-md);
}

.client-logo img {
    width: 85%; 
    height: auto;
    max-height: 90px; 
    object-fit: contain;
}


@media (max-width: 1024px) {
    .clients-grid {
        grid-template-columns: repeat(3, 1fr); 
        gap: 15px;
        max-width: 800px;
    }
    
    .client-logo {
        height: 90px;
        padding: 15px;
    }
    
    .client-logo img {
        max-height: 55px;
    }
}


@media (max-width: 768px) {
    .clients-grid {
        grid-template-columns: repeat(2, 1fr); 
        gap: 12px;
        max-width: 500px;
    }
    
    .clients-section {
        padding: 40px 0;
    }
    
    .client-logo {
        height: 80px;
        padding: 12px;
    }
    
    .client-logo img {
        max-height: 50px;
    }
}


@media (max-width: 480px) {
    .clients-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 10px;
        padding: 0 15px;
    }
    
    .client-logo {
        height: 70px;
        padding: 10px;
    }
    
    .client-logo img {
        max-height: 45px;
    }
}


.client-logo.full-image img {
    max-width: 95%;
    max-height: 70px;
    width: auto;
    height: auto;
}


    
.portfolio-final-cta {
    position: relative;
    padding: 100px 20px;
    background: var(--gradient-dark);
    color: white;
    margin: 100px 0 0;
    text-align: center;
    overflow: hidden;
}

.portfolio-final-cta::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        radial-gradient(circle at 20% 20%, rgba(212, 175, 55, 0.15) 0%, transparent 50%),
        radial-gradient(circle at 80% 80%, rgba(255, 255, 255, 0.05) 0%, transparent 50%),
        url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="40" height="40" viewBox="0 0 40 40"><rect x="0" y="0" width="1" height="1" fill="rgba(255,255,255,0.05)"/></svg>');
    background-size: cover;
    opacity: 0.3;
    z-index: 1;
}

.portfolio-final-cta::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, transparent 30%, rgba(212, 175, 55, 0.05) 50%, transparent 70%);
    animation: shine 8s infinite linear;
    z-index: 1;
}

@keyframes shine {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

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

.portfolio-final-cta .container {
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
}


.portfolio-cta-title {
    max-width: 900px;
    margin: 0 auto 40px;
}

.portfolio-cta-title h2 {
    font-size: 3.5rem;
    font-weight: 900;
    margin-bottom: 20px;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    line-height: 1.1;
    text-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.portfolio-cta-title p {
    font-size: 1.4rem;
    line-height: 1.6;
    color: #ccc;
    margin: 0 auto;
}

.portfolio-cta-title strong {
    color: var(--secondary-color);
    font-weight: 700;
}


.portfolio-cta-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin: 60px auto;
    max-width: 1000px;
}

.portfolio-stat-card {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(212, 175, 55, 0.2);
    border-radius: 20px;
    padding: 30px 20px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    position: relative;
    overflow: hidden;
}

.portfolio-stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: var(--gradient-primary);
    transform: translateX(-100%);
    transition: transform 0.8s ease;
}

.portfolio-stat-card:hover::before {
    transform: translateX(0);
}

.portfolio-stat-card:hover {
    transform: translateY(-15px);
    border-color: var(--secondary-color);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.2);
}

.portfolio-stat-icon {
    font-size: 2.5rem;
    color: var(--secondary-color);
    margin-bottom: 15px;
    animation: float 3s ease-in-out infinite;
}

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

.portfolio-stat-number {
    font-size: 3rem;
    font-weight: 900;
    background: linear-gradient(135deg, #ffffff, var(--secondary-color));
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    margin-bottom: 5px;
    line-height: 1;
}

.portfolio-stat-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.8);
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-weight: 500;
}


.portfolio-cta-actions {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 25px;
    max-width: 700px;
    margin: 60px auto;
}


.portfolio-cta-primary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 25px 50px;
    font-size: 1.2rem;
    font-weight: 800;
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    border: 2px solid transparent;
    cursor: pointer;
    width: 100%;
    max-width: 600px;
    position: relative;
    overflow: hidden;
    text-transform: uppercase;
    letter-spacing: 1px;
    background: var(--gradient-primary);
    background-size: 200% 100%;
    color: var(--primary-color);
    box-shadow: 0 15px 35px rgba(212, 175, 55, 0.3);
}

.portfolio-cta-primary:hover {
    background-position: 100% 0;
    transform: translateY(-8px) scale(1.02);
    box-shadow: 0 25px 50px rgba(212, 175, 55, 0.4);
    border-color: rgba(212, 175, 55, 0.5);
}

.portfolio-cta-primary::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.3) 1%, transparent 20%);
    transform: scale(0);
    transition: transform 0.6s ease;
}

.portfolio-cta-primary:hover::before {
    transform: scale(1);
}

.portfolio-cta-primary i {
    font-size: 1.6rem;
    transition: transform 0.3s ease;
}

.portfolio-cta-primary:hover i {
    transform: scale(1.2) rotate(10deg);
}


.portfolio-cta-secondary {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    padding: 22px 45px;
    font-size: 1.1rem;
    font-weight: 700;
    text-decoration: none;
    border-radius: 30px;
    transition: all 0.4s ease;
    border: 2px solid rgba(212, 175, 55, 0.3);
    cursor: pointer;
    width: 100%;
    max-width: 500px;
    position: relative;
    overflow: hidden;
    background: rgba(212, 175, 55, 0.1);
    backdrop-filter: blur(10px);
    color: white;
    box-shadow: 0 10px 30px rgba(212, 175, 55, 0.2);
}

.portfolio-cta-secondary::after {
    content: '24/7';
    position: absolute;
    top: -10px;
    right: -10px;
    background: var(--gradient-primary);
    color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 900;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { 
        transform: scale(1); 
        box-shadow: 0 0 0 0 rgba(212, 175, 55, 0.7); 
    }
    50% { 
        transform: scale(1.05); 
    }
    70% { 
        box-shadow: 0 0 0 10px rgba(212, 175, 55, 0); 
    }
}

.portfolio-cta-secondary:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(212, 175, 55, 0.3);
    border-color: rgba(212, 175, 55, 0.6);
    background: rgba(212, 175, 55, 0.2);
}

.portfolio-cta-secondary i {
    font-size: 1.5rem;
    color: var(--secondary-color);
}


.portfolio-guarantee {
    margin-top: 40px;
    padding: 25px;
    background: rgba(212, 175, 55, 0.05);
    backdrop-filter: blur(10px);
    border-radius: 15px;
    border: 1px solid rgba(212, 175, 55, 0.3);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.portfolio-guarantee-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.portfolio-guarantee-icon {
    color: var(--secondary-color);
    font-size: 2rem;
}

.portfolio-guarantee-text {
    text-align: left;
    flex: 1;
}

.portfolio-guarantee-text strong {
    color: white;
    font-size: 1.1rem;
    display: block;
    margin-bottom: 5px;
}

.portfolio-guarantee-text p {
    color: #ccc;
    margin: 0;
    font-size: 1rem;
}


@media (max-width: 992px) {
    .portfolio-final-cta {
        padding: 80px 15px;
    }
    
    .portfolio-cta-title h2 {
        font-size: 2.8rem;
    }
    
    .portfolio-cta-title p {
        font-size: 1.2rem;
    }
    
    .portfolio-cta-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .portfolio-cta-title h2 {
        font-size: 2.3rem;
    }
    
    .portfolio-cta-title p {
        font-size: 1.1rem;
    }
    
    .portfolio-cta-stats {
        grid-template-columns: 1fr;
        max-width: 400px;
    }
    
    .portfolio-cta-primary,
    .portfolio-cta-secondary {
        padding: 20px 30px;
        font-size: 1rem;
    }
    
    .portfolio-guarantee-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .portfolio-guarantee-text {
        text-align: center;
    }
}

@media (max-width: 480px) {
    .portfolio-cta-title h2 {
        font-size: 1.9rem;
    }
    
    .portfolio-cta-primary,
    .portfolio-cta-secondary {
        flex-direction: column;
        gap: 10px;
        padding: 18px 20px;
    }
    
    .portfolio-stat-number {
        font-size: 2.5rem;
    }
}


.seo-badge {
    display: inline-block;
    background: linear-gradient(135deg, #0055A4, #EF4135); 
    color: white;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin: 10px 5px;
    font-weight: bold;
    box-shadow: 0 8px 25px rgba(63, 81, 181, 0.2);
    transition: all 0.3s ease;
    cursor: pointer;
}

.seo-badge:hover {
    transform: translateY(-5px);
    box-shadow: 0 12px 35px rgba(63, 81, 181, 0.3);
}

.seo-badge i {
    margin-right: 8px;
}


.services-hero { 
    opacity: 0; 
}

.services-hero.loaded { 
    animation: fadeIn 0.8s ease forwards; 
}

@keyframes fadeIn { 
    to { 
        opacity: 1; 
    } 
}


.french-specialist {
    background: rgba(0, 85, 164, 0.1);
    border-left: 4px solid #0055A4;
    padding: 15px;
    margin: 20px 0;
    border-radius: 0 8px 8px 0;
}

footer {
    background: var(--gradient-dark);
    color: var(--accent-color);
    padding: 100px 5% 40px;
    position: relative;
    overflow: hidden;
}

footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gradient-primary);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 60px;
    margin-bottom: 60px;
    position: relative;
    z-index: 1;
}

.footer-logo {
    font-size: 32px;
    font-weight: 800;
    color: var(--secondary-color);
    margin-bottom: 25px;
    display: inline-block;
    text-decoration: none;
    position: relative;
    padding-bottom: 15px;
}

.footer-logo::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 60px;
    height: 3px;
    background: var(--secondary-color);
}

.footer-about p {
    color: #ccc;
    line-height: 1.8;
    font-size: 1.1rem;
    margin-bottom: 20px;
}

.footer-links h3 {
    color: var(--secondary-color);
    margin-bottom: 30px;
    font-size: 1.4rem;
    position: relative;
    padding-bottom: 15px;
}

.footer-links h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--secondary-color);
}

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

.footer-links li {
    margin-bottom: 15px;
}

.footer-links a {
    color: #ccc;
    text-decoration: none;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    display: inline-block;
    padding: 8px 0;
}

.footer-links a:hover {
    color: var(--secondary-color);
    transform: translateX(10px);
}

.footer-contact p {
    color: #ccc;
    margin-bottom: 15px;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    gap: 15px;
}

.footer-contact i {
    color: var(--secondary-color);
    font-size: 1.2rem;
    min-width: 24px;
}

.footer-contact a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
}

.footer-contact a:hover {
    text-decoration: underline;
    color: white;
}

.footer-bottom {
    text-align: center;
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 1rem;
    color: #999;
    position: relative;
    z-index: 1;
}

.footer-bottom a {
    color: var(--secondary-color);
    text-decoration: none;
    transition: all 0.3s ease;
    margin: 0 15px;
}

.footer-bottom a:hover {
    color: white;
    text-decoration: underline;
}



.whatsapp-float {
    position: fixed;
    bottom: 40px;
    right: 40px;
    background: linear-gradient(135deg, #25D366 0%, #1DA851 100%);
    color: white;
    width: 70px;
    height: 70px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 28px;
    box-shadow: 0 15px 40px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.4s ease;
    text-decoration: none;
    animation: pulse 2s infinite;
}

.whatsapp-float:hover {
    transform: scale(1.15) rotate(15deg);
    box-shadow: 0 20px 50px rgba(37, 211, 102, 0.6);
}


.back-to-top {
    position: fixed;
    bottom: 130px; 
    right: 40px;
    background: #3498db; 
    background: var(--secondary-color, #3498db);
    color: white;
    color: var(--primary-color, white);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    box-shadow: var(--shadow-lg, 0 5px 15px rgba(0, 0, 0, 0.2));
    z-index: 999;
    transition: all 0.3s ease;
    transition: var(--transition, all 0.3s ease);
    text-decoration: none;
    
    
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    
    cursor: pointer;
}


.back-to-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-to-top:hover {
    background: #2980b9; 
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.3);
    box-shadow: var(--shadow-xl, 0 10px 25px rgba(0, 0, 0, 0.3));
}


@keyframes pulse {
    0% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7); }
    70% { box-shadow: 0 0 0 15px rgba(37, 211, 102, 0); }
    100% { box-shadow: 0 0 0 0 rgba(37, 211, 102, 0); }
}

.loading-spinner {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 3000;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--gray-light);
    border-top: 4px solid var(--secondary-color);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}


@media (max-width: 1200px) {
    .hero-content h1 {
        font-size: 3.5rem;
    }

    .section-title h2 {
        font-size: 2.5rem;
    }

    .case-study {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .case-study:nth-child(even) .case-study-content,
    .case-study:nth-child(even) .case-study-visual {
        order: initial;
    }
}

@media (max-width: 992px) {

    .nav-links,
    .header-actions {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }

    .modal-details {
        grid-template-columns: 1fr;
    }

    .portfolio-grid {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    }

    .tools-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .hero-content h1 {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .stat-number {
        font-size: 2.5rem;
    }

    .section-padding {
        padding: 80px 0;
    }

    .portfolio-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .modal-body {
        padding: 20px;
    }

    .testimonial-card {
        padding: 40px 20px;
    }

    .final-cta h2 {
        font-size: 2.5rem;
    }

    .final-cta p {
        font-size: 1.1rem;
    }

    .back-to-top {
        bottom: 90px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 18px;
    }

    .whatsapp-float {
        width: 50px;
        height: 50px;
        font-size: 20px;
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 576px) {
    .hero-content h1 {
        font-size: 2rem;
    }

    .section-title h2 {
        font-size: 1.8rem;
    }

    .filter-buttons {
        gap: 10px;
    }

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

    .case-study-content h3 {
        font-size: 1.8rem;
    }

    .portfolio-stats {
        gap: 30px;
    }

    .final-cta {
        padding: 100px 0;
    }
}


.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

:focus {
    outline: 3px solid var(--secondary-color);
    outline-offset: 3px;
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}


@media (prefers-color-scheme: dark) {
    body {
        background: #121212;
        color: #e0e0e0;
    }

    .portfolio-item,
    .tool-item,
    .client-logo,
    .testimonial-card {
        background: #1e1e1e;
    }

    .light-bg {
        background: #1e1e1e;
    }
}