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

/* Accessibility Styles */
.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;
}

.skip-link {
    position: absolute;
    top: -40px;
    left: 6px;
    background: var(--primary-color);
    color: white;
    padding: 8px;
    text-decoration: none;
    border-radius: 4px;
    z-index: 10001;
    transition: top 0.3s;
}

.skip-link:focus {
    top: 6px;
}

/* Enhanced focus styles for better accessibility */
.nav-link:focus,
.cta-button:focus,
.submit-btn:focus,
.social-link:focus,
.phone-link:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    border-radius: 4px;
}

/* Focus styles for form elements */
input:focus,
textarea:focus {
    outline: 2px solid var(--accent-color);
    outline-offset: 2px;
    border-radius: 4px;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Roboto', 'PT Sans', sans-serif;
    line-height: 1.6;
    color: #333;
    overflow-x: hidden;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
}

/* Color Variables - Enhanced */
:root {
    --primary-color: #1a4d80;
    --secondary-color: #2d7dd2;
    --accent-color: #ff6b35;
    --logo-teal: #4a7c59;
    --dark-color: #1a1a1a;
    --light-color: #f8f9fa;
    --text-color: #333;
    --white: #ffffff;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 8px 15px rgba(0, 0, 0, 0.2);
    --shadow-strong: 0 10px 30px rgba(0, 0, 0, 0.15);
    --blue-gradient: linear-gradient(135deg, #1a4d80, #2d7dd2);
    --orange-gradient: linear-gradient(135deg, #ff6b35, #ff8c42);
    --glass-bg: rgba(255, 255, 255, 0.95);
    --glass-border: rgba(255, 255, 255, 0.2);
    --blur-bg: rgba(255, 255, 255, 0.95);
    --text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    --border-radius: 12px;
    --border-radius-large: 20px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-fast: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Enhanced Scrollbar */
::-webkit-scrollbar {
    width: 12px;
}

::-webkit-scrollbar-track {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    border-radius: 10px;
    border: 2px solid rgba(255, 255, 255, 0.1);
    will-change: background;
}

::-webkit-scrollbar-thumb:hover {
    background: linear-gradient(135deg, var(--secondary-color), var(--accent-color));
}

/* Language Toggle - Enhanced */
.language-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
    background: var(--glass-bg);
    backdrop-filter: blur(20px);
    border-radius: 25px;
    padding: 5px;
    box-shadow: var(--shadow-strong);
    display: flex;
    gap: 5px;
    border: 1px solid var(--glass-border);
    transition: var(--transition);
}

.language-toggle:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
}

.lang-btn {
    background: transparent;
    border: none;
    padding: 10px 18px;
    border-radius: 20px;
    cursor: pointer;
    font-weight: 600;
    transition: var(--transition);
    color: var(--text-color);
    position: relative;
    overflow: hidden;
}

.lang-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.lang-btn:hover::before {
    left: 100%;
}

.lang-btn.active {
    background: var(--blue-gradient);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(26, 77, 128, 0.4);
}

.lang-btn:hover {
    background: var(--secondary-color);
    color: var(--white);
    transform: translateY(-1px);
}

/* Navigation - Enhanced Elegant Design */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--glass-bg);
    backdrop-filter: blur(25px);
    z-index: 999;
    transition: var(--transition);
    border-bottom: 2px solid rgba(255, 107, 53, 0.3);
    box-shadow: var(--shadow-strong);
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 110px;
}

.nav-logo {
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.nav-logo img {
    height: 49px;
    transition: var(--transition);
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.nav-logo:hover img {
    transform: scale(1.05);
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.2));
}

/* Navigation Slogan */
.nav-slogan {
    margin-left: 15px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.slogan-text {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

/* Fallback for browsers that don't support background-clip */
@supports not (background-clip: text) {
    .slogan-text {
        color: var(--accent-color);
        background: none;
        -webkit-text-fill-color: initial;
    }
}

.nav-logo:hover .slogan-text {
    transform: translateY(-1px);
    filter: brightness(1.1);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 40px;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 500;
    font-size: 16px;
    position: relative;
    padding: 10px 0;
    transition: var(--transition);
    text-shadow: var(--text-shadow);
    will-change: transform;
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--orange-gradient);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.nav-link::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(45, 125, 210, 0.1));
    opacity: 0;
    transition: opacity 0.3s ease;
    border-radius: 8px;
    z-index: -1;
}

.nav-link:hover::before {
    width: 100%;
}

.nav-link:hover::after {
    opacity: 1;
}

.nav-link:hover {
    color: var(--primary-color);
    transform: translateY(-2px);
}

.nav-link:active {
    transform: translateY(0);
}

/* Enhanced Hamburger Menu */
.hamburger {
    display: none;
    flex-direction: column;
    cursor: pointer;
    padding: 10px;
    border-radius: 8px;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.1);
}

.hamburger:hover {
    background: rgba(255, 255, 255, 0.2);
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--primary-color);
    margin: 3px 0;
    transition: var(--transition);
    border-radius: 2px;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* Hero Section - Enhanced */
.hero {
    position: relative;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(135deg, rgba(26, 77, 128, 0.8), rgba(45, 125, 210, 0.8));
}

.parallax-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('Images/Backgound_icons/heavy-equipment-2396101_1920.jpg') center/cover;
    z-index: -1;
    filter: brightness(0.7) contrast(1.2);
}

.hero .parallax-bg {
    background: url('Images/Backgound_icons/excavation-3431326_1920.jpg') center/cover;
    filter: brightness(0.6) contrast(1.3) saturate(1.2);
}

.hero-content {
    text-align: center;
    color: var(--white);
    max-width: 800px;
    padding: 0 20px;
    z-index: 2;
    animation: fadeInUp 1s ease-out;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
    background: linear-gradient(135deg, #ffffff, #f0f8ff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.hero-subtitle {
    font-size: 1.3rem;
    margin-bottom: 40px;
    opacity: 0.95;
    line-height: 1.6;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.cta-button {
    display: inline-block;
    padding: 18px 40px;
    background: var(--orange-gradient);
    color: var(--white);
    text-decoration: none;
    border-radius: var(--border-radius-large);
    font-weight: 600;
    font-size: 18px;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
    position: relative;
    overflow: hidden;
    border: none;
    cursor: pointer;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 107, 53, 0.6);
    background: linear-gradient(135deg, #ff8c42, #ff6b35);
}

.cta-button:active {
    transform: translateY(-1px);
}

/* Container and Section Titles - Enhanced */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 30px;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 60px;
    color: var(--primary-color);
    position: relative;
    text-shadow: var(--text-shadow);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--orange-gradient);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
}

/* Services Section - Enhanced */
.services {
    position: relative;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    overflow: hidden;
}

.services-header {
    position: relative;
    padding: 100px 0 80px;
    overflow: hidden;
}

.services-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 25% 25%, rgba(26, 77, 128, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 75% 75%, rgba(45, 125, 210, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 50% 50%, rgba(255, 107, 53, 0.03) 0%, transparent 50%);
    z-index: 1;
}

.services-bg {
    background: url('Images/Backgound_icons/construction-2929325_1920.jpg') center/cover;
    filter: brightness(0.3) contrast(1.1);
    z-index: 0;
    height: 400px;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
}

.service-cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: var(--white);
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    position: relative;
    border: 1px solid rgba(255, 255, 255, 0.2);
    will-change: transform;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-strong);
}

.service-card:active {
    transform: translateY(-5px);
}

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

.card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    filter: brightness(0.9) contrast(1.1);
}

.service-card:hover .card-image img {
    transform: scale(1.1);
    filter: brightness(1) contrast(1.2);
}

.card-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 77, 128, 0.8), rgba(45, 125, 210, 0.8));
    opacity: 0;
    transition: var(--transition);
}

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

.card-content {
    padding: 25px;
    position: relative;
}

.card-content i {
    font-size: 2.5rem;
    color: var(--accent-color);
    margin-bottom: 15px;
    transition: var(--transition);
    display: block;
}

.service-card:hover .card-content i {
    transform: scale(1.1) rotate(5deg);
    color: var(--primary-color);
}

.card-content h4 {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--primary-color);
    transition: var(--transition);
}

.service-card:hover .card-content h4 {
    color: var(--accent-color);
}

.card-content p {
    color: #666;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* New Services Sections - Enhanced */
.new-services-sections {
    padding: 80px 0 100px;
}

.service-section {
    margin-bottom: 100px;
    padding: 60px 0;
    position: relative;
    background: var(--white);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow);
    overflow: hidden;
}

.service-section:nth-child(1)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--primary-color), var(--secondary-color), var(--accent-color));
    animation: shimmer 3s ease-in-out infinite;
}

.service-section:nth-child(2)::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: linear-gradient(90deg, var(--accent-color), var(--primary-color), var(--secondary-color));
    animation: shimmer 3s ease-in-out infinite reverse;
}

@keyframes shimmer {
    0%, 100% { transform: translate3d(-100%, 0, 0); }
    50% { transform: translate3d(100%, 0, 0); }
}

.section-header {
    text-align: center;
    margin-bottom: 50px;
}

.section-icon {
    width: 80px;
    height: 80px;
    background: var(--blue-gradient);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    box-shadow: 0 8px 25px rgba(26, 77, 128, 0.3);
    transition: var(--transition);
}

.section-icon:hover {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 12px 35px rgba(26, 77, 128, 0.4);
}

.section-icon i {
    font-size: 2.5rem;
    color: var(--white);
}

.section-subtitle {
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 15px;
    position: relative;
    text-shadow: var(--text-shadow);
}

.section-subtitle::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: var(--orange-gradient);
    border-radius: 2px;
    box-shadow: 0 2px 6px rgba(255, 107, 53, 0.4);
}

.section-description {
    font-size: 1.1rem;
    color: #666;
    max-width: 600px;
    margin: 0 auto;
    line-height: 1.6;
}

/* Enhanced Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.service-category {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
}

.service-category::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--orange-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.service-category:hover::before {
    transform: scaleX(1);
}

.service-category:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-strong);
}

.category-title {
    font-size: 1.8rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 25px;
    position: relative;
    text-shadow: var(--text-shadow);
}

.category-title::after {
    content: '';
    position: absolute;
    bottom: -8px;
    left: 0;
    width: 40px;
    height: 3px;
    background: var(--accent-color);
    border-radius: 2px;
    transition: width 0.3s ease;
}

.service-category:hover .category-title::after {
    width: 60px;
}

.services-list {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.service-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    border-radius: var(--border-radius);
    transition: var(--transition);
    background: rgba(248, 249, 250, 0.5);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.service-item:hover {
    background: rgba(26, 77, 128, 0.05);
    transform: translateX(5px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.service-item i {
    font-size: 1.2rem;
    color: var(--accent-color);
    transition: var(--transition);
    width: 20px;
    text-align: center;
}

.service-item:hover i {
    transform: scale(1.2);
    color: var(--primary-color);
}

.service-item span {
    font-weight: 500;
    color: var(--text-color);
}

/* Floating Elements - Enhanced */
.floating-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    overflow: hidden;
}

.floating-element {
    position: absolute;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    animation: float 6s ease-in-out infinite;
    transform: translate3d(0, 0, 0);
    will-change: transform;
    contain: layout style paint;
}

.floating-element:nth-child(1) {
    width: 100px;
    height: 100px;
    top: 20%;
    left: 10%;
    animation-delay: 0s;
}

.floating-element:nth-child(2) {
    width: 150px;
    height: 150px;
    top: 60%;
    right: 15%;
    animation-delay: 2s;
}

.floating-element:nth-child(3) {
    width: 80px;
    height: 80px;
    bottom: 20%;
    left: 20%;
    animation-delay: 4s;
}

/* About Section - Enhanced */
.about {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('Images/Backgound_icons/excavation-7493929_1920.jpg') center/cover;
    opacity: 0.05;
    z-index: -1;
    filter: blur(2px);
}

.about-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.about-text {
    text-align: left;
    line-height: 1.8;
}

.about-text h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin: 30px 0 20px;
    font-weight: 600;
}

.about-text ul {
    list-style: none;
    margin: 20px 0;
}

.about-text li {
    padding: 10px 0;
    position: relative;
    padding-left: 30px;
}

.about-text li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--accent-color);
    font-weight: bold;
    font-size: 1.2rem;
}

.about-text p {
    margin: 20px 0;
    color: #555;
    font-size: 1.1rem;
}

/* Projects Section - Enhanced */
.projects {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.projects::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('Images/Backgound_icons/excavation-921245_1920.jpg') center/cover;
    opacity: 0.05;
    z-index: -1;
    filter: blur(2px);
}

.projects-bg {
    background: url('Images/Backgound_icons/excavator-1680634_1920.jpg') center/cover;
    filter: brightness(0.3) contrast(1.1);
}

.projects-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.project-item {
    position: relative;
    border-radius: var(--border-radius-large);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    aspect-ratio: 4/3;
    cursor: pointer;
    will-change: transform;
}

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

.project-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    filter: brightness(0.9) contrast(1.1);
}

.project-item:hover img {
    transform: scale(1.1);
    filter: brightness(1) contrast(1.2);
}

.project-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(135deg, rgba(26, 77, 128, 0.9), rgba(45, 125, 210, 0.9));
    color: var(--white);
    padding: 30px 20px 20px;
    transform: translateY(100%);
    transition: var(--transition);
}

.project-item:hover .project-overlay {
    transform: translateY(0);
}

.project-overlay h3 {
    font-size: 1.3rem;
    font-weight: 600;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* Why Choose Us Section - Enhanced */
.why-choose-us {
    padding: 100px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    position: relative;
    overflow: hidden;
}

.why-choose-us::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('Images/Backgound_icons/construction-2929325_1920.jpg') center/cover;
    opacity: 0.03;
    z-index: -1;
    filter: blur(3px);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 40px;
    margin-top: 50px;
}

.feature-item {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--border-radius-large);
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
    position: relative;
    overflow: hidden;
    will-change: transform;
}

.feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--orange-gradient);
    transform: scaleX(0);
    transition: transform 0.3s ease;
}

.feature-item:hover::before {
    transform: scaleX(1);
}

.feature-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-strong);
}

.feature-item i {
    font-size: 3rem;
    color: var(--accent-color);
    margin-bottom: 20px;
    transition: var(--transition);
    display: block;
}

.feature-item:hover i {
    transform: scale(1.1) rotate(5deg);
    color: var(--primary-color);
}

.feature-item h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--primary-color);
    margin-bottom: 15px;
    transition: var(--transition);
}

.feature-item:hover h3 {
    color: var(--accent-color);
}

.feature-item p {
    color: #666;
    line-height: 1.6;
    font-size: 1rem;
}

/* Contact Section - Enhanced */
.contact {
    padding: 100px 0;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    position: relative;
    overflow: hidden;
}

.contact-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(26, 77, 128, 0.05) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(45, 125, 210, 0.03) 0%, transparent 50%);
    z-index: 1;
    pointer-events: none;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('Images/Backgound_icons/heavy-equipment-2396101_1920.jpg') center/cover;
    opacity: 0.03;
    z-index: -1;
    filter: blur(2px);
}

.contact-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    margin-top: 50px;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.contact-info .phone-numbers {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.contact-info .phone-link {
    color: var(--text-color);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
    display: block;
}

.contact-info .phone-link:hover {
    color: var(--accent-color);
    transform: translateX(3px);
}

.contact .contact-info .email-link {
    color: var(--text-color);
}

.contact .contact-info .email-link:hover {
    color: var(--accent-color);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 20px;
    padding: 25px;
    background: var(--white);
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.contact-item:hover {
    transform: translateX(10px);
    box-shadow: var(--shadow-strong);
}

.contact-item i {
    font-size: 2rem;
    color: var(--accent-color);
    transition: var(--transition);
    width: 50px;
    text-align: center;
}

.contact-item:hover i {
    transform: scale(1.2);
    color: var(--primary-color);
}

.contact-form {
    background: var(--white);
    padding: 40px;
    border-radius: var(--border-radius-large);
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.form-group {
    margin-bottom: 25px;
}

.form-group-captcha {
    margin-bottom: 20px;
}

.recaptcha-container {
    min-height: 78px;
    display: flex;
    align-items: center;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 15px 20px;
    border: 2px solid rgba(26, 77, 128, 0.1);
    border-radius: var(--border-radius);
    font-size: 16px;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.9);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(255, 107, 53, 0.1);
    background: var(--white);
}

.recaptcha-notice {
    font-size: 0.75rem;
    color: #666;
    margin: 0 0 16px 0;
    line-height: 1.4;
}

.recaptcha-notice a {
    color: var(--primary-color);
    text-decoration: none;
}

.recaptcha-notice a:hover {
    text-decoration: underline;
}

.submit-btn {
    width: 100%;
    padding: 18px;
    background: var(--orange-gradient);
    color: var(--white);
    border: none;
    border-radius: var(--border-radius);
    font-size: 18px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition);
    box-shadow: 0 8px 25px rgba(255, 107, 53, 0.4);
    position: relative;
    overflow: hidden;
}

.submit-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.6s;
}

.submit-btn:hover::before {
    left: 100%;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 35px rgba(255, 107, 53, 0.6);
}

.submit-btn:active {
    transform: translateY(0);
}

/* Enhanced Footer with Modern Design */
.footer {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    padding: 36px 0 12px;
    position: relative;
    overflow: hidden;
    font-size: 0.88rem;
}

.footer-pattern {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(circle at 20% 80%, rgba(255, 107, 53, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 80% 20%, rgba(45, 125, 210, 0.1) 0%, transparent 50%),
        radial-gradient(circle at 40% 40%, rgba(255, 255, 255, 0.05) 0%, transparent 50%);
    z-index: -1;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('Images/Backgound_icons/excavation-3431326_1920.jpg') center/cover;
    opacity: 0.05;
    z-index: -2;
    filter: blur(3px);
}

.footer-main {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-bottom: 28px;
}

/* Company Info Section */
.company-info {
    position: relative;
}

.footer-logo {
    position: relative;
    margin-bottom: 14px;
}

.footer-logo img {
    height: 48px;
    filter: brightness(0) invert(1);
    transition: var(--transition);
    position: relative;
    z-index: 2;
}

.logo-glow {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: radial-gradient(circle, rgba(255, 107, 53, 0.3) 0%, transparent 70%);
    border-radius: 50%;
    animation: pulse 3s ease-in-out infinite;
    z-index: 1;
}

.footer-text p {
    font-size: 0.9rem;
    line-height: 1.45;
    margin-bottom: 12px;
    opacity: 0.9;
}

/* Company Stats */
.company-stats {
    display: flex;
    gap: 10px;
    margin: 12px 0 0;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
    padding: 8px 10px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
    min-width: 70px;
}

.stat-item:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

.stat-number {
    display: block;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--accent-color);
    margin-bottom: 2px;
}

.stat-label {
    font-size: 0.75rem;
    opacity: 0.8;
    font-weight: 500;
}

/* Enhanced Social Links */
.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 25px;
    flex-wrap: nowrap;
    justify-content: flex-start;
}

.social-link {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    overflow: hidden;
}

.social-link::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s;
}

.social-link:hover::before {
    left: 100%;
}

.social-link:hover {
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.social-link.facebook:hover {
    background: linear-gradient(135deg, #1877f2, #0d6efd);
}

.social-link.instagram:hover {
    background: linear-gradient(135deg, #e4405f, #f77737);
}

.social-link.whatsapp:hover {
    background: linear-gradient(135deg, #25d366, #128c7e);
}

.social-link.linkedin:hover {
    background: linear-gradient(135deg, #0077b5, #0a66c2);
}

.social-link.youtube:hover {
    background: linear-gradient(135deg, #ff0000, #cc0000);
}

.social-tooltip {
    position: absolute;
    bottom: -40px;
    left: 50%;
    transform: translateX(-50%);
    background: rgba(0, 0, 0, 0.8);
    color: white;
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    white-space: nowrap;
}

.social-link:hover .social-tooltip {
    opacity: 1;
    visibility: visible;
}

/* Enhanced Navigation */
.footer-nav,
.footer-services {
    list-style: none;
}

.footer-nav li,
.footer-services li {
    margin-bottom: 8px;
    transition: var(--transition);
}

.footer-nav a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-radius: 5px;
    position: relative;
}

.footer-nav a i {
    width: 20px;
    text-align: center;
    color: var(--accent-color);
    transition: var(--transition);
}

.footer-nav a:hover {
    color: var(--accent-color);
    transform: translateX(8px);
    background: rgba(255, 255, 255, 0.05);
    padding-left: 10px;
}

.footer-nav a:hover i {
    transform: scale(1.2);
}

.footer-services li {
    color: rgba(255, 255, 255, 0.8);
    transition: var(--transition);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 0;
    border-radius: 5px;
}

.footer-services li i {
    width: 20px;
    text-align: center;
    color: var(--accent-color);
    transition: var(--transition);
}

.footer-services li:hover {
    color: var(--accent-color);
    transform: translateX(8px);
    background: rgba(255, 255, 255, 0.05);
    padding-left: 10px;
}

.footer-services li:hover i {
    transform: scale(1.2);
}

/* Contact & Hours Section - Footer (icon + label on one line, compact) */
.footer-section--contact .contact-hours {
    display: flex;
    flex-direction: column;
    gap: 0;
}

.contact-hours__row {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    transition: background 0.2s ease;
}

.contact-hours__row:last-child {
    border-bottom: none;
}

.contact-hours__row:hover {
    background: rgba(255, 255, 255, 0.04);
    margin: 0 -6px;
    padding-left: 6px;
    padding-right: 6px;
    border-radius: 6px;
}

.contact-hours__head {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}

.contact-hours__row i {
    font-size: 0.95rem;
    color: var(--accent-color);
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

.contact-hours__label {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.04em;
    color: rgba(255, 255, 255, 0.75);
}

.contact-hours__value {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--white);
    padding-left: 24px;
}

.contact-hours__sub {
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.6);
    padding-left: 24px;
}

.contact-hours__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.2s ease;
    display: inline-block;
    padding-left: 24px;
    margin-top: 1px;
}

.contact-hours__link:hover {
    color: var(--white);
}

.contact-hours__row .contact-hours__link + .contact-hours__link {
    margin-top: 0;
}

.contact-hours__row .contact-hours__link + .contact-hours__sub {
    margin-top: 0;
}

/* Legacy contact-hours (e.g. other uses of .contact-item) */
.contact-hours {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.contact-hours .contact-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
}

.contact-hours .contact-item:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateX(5px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.contact-hours .contact-item i {
    font-size: 1.2rem;
    color: var(--accent-color);
    margin-top: 2px;
    width: 20px;
    text-align: center;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.contact-label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--accent-color);
}

.contact-value {
    font-size: 1rem;
    font-weight: 500;
}

.contact-subtitle {
    font-size: 0.85rem;
    opacity: 0.7;
}

.phone-numbers {
    display: flex;
    flex-direction: column;
    gap: 3px;
}

.phone-link {
    color: var(--white);
    text-decoration: none;
    font-size: 1rem;
    font-weight: 500;
    transition: var(--transition);
    display: block;
}

.phone-link:hover {
    color: var(--accent-color);
    transform: translateX(3px);
}

.email-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.email-link:hover {
    color: var(--accent-color);
}

/* Enhanced Blog Section */
.footer-blog {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.blog-item {
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--border-radius);
    overflow: hidden;
    transition: var(--transition);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.blog-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    background: rgba(255, 255, 255, 0.1);
}

.blog-image {
    position: relative;
    height: 90px;
    overflow: hidden;
}

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

.blog-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(26, 77, 128, 0.8), rgba(45, 125, 210, 0.8));
    opacity: 0.3;
    transition: var(--transition);
}

.blog-item:hover .blog-image img {
    transform: scale(1.1);
}

.blog-item:hover .blog-overlay {
    opacity: 0.5;
}

.blog-content {
    padding: 10px 12px;
}

.blog-content h4 {
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 4px;
    color: var(--white);
}

.blog-content p {
    font-size: 0.9rem;
    line-height: 1.4;
    margin-bottom: 10px;
    opacity: 0.8;
}

.blog-date {
    font-size: 0.8rem;
    color: var(--accent-color);
    font-weight: 500;
}

/* Enhanced Footer Bottom */
.footer-bottom {
    padding-top: 40px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-bottom-left p {
    font-size: 0.9rem;
}

.footer-bottom-center {
    flex: 1;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    font-size: 0.9rem;
    transition: var(--transition);
    padding: 5px 10px;
    border-radius: 5px;
}

.footer-links a:hover {
    color: var(--accent-color);
    background: rgba(255, 255, 255, 0.05);
}

.separator {
    color: rgba(255, 255, 255, 0.3);
}

.footer-bottom-right {
    text-align: right;
}

.footer-certifications {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.certification {
    background: rgba(255, 107, 53, 0.2);
    color: var(--accent-color);
    padding: 5px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(255, 107, 53, 0.3);
    transition: var(--transition);
}

.certification:hover {
    background: rgba(255, 107, 53, 0.3);
    transform: scale(1.05);
}

/* Footer Section Headers */
.footer-section h3 {
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 14px;
    position: relative;
    text-shadow: var(--text-shadow);
    color: var(--white);
}

.footer-section h3::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 40px;
    height: 2px;
    background: var(--orange-gradient);
    border-radius: 2px;
    box-shadow: 0 2px 8px rgba(255, 107, 53, 0.4);
    transition: width 0.3s ease;
}

.footer-section:hover h3::after {
    width: 55px;
}

/* Enhanced Animations */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translate3d(0, 0px, 0) rotate(0deg);
    }
    33% {
        transform: translate3d(0, -20px, 0) rotate(1deg);
    }
    66% {
        transform: translate3d(0, 10px, 0) rotate(-1deg);
    }
}

/* Enhanced Responsive Design */
@media (max-width: 1024px) {
    .container {
        padding: 0 20px;
    }
    
    .hero-title {
        font-size: 3rem;
    }
    
    .service-cards-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 25px;
    }
}

@media (max-width: 1200px) {
    .footer-main {
        grid-template-columns: repeat(3, 1fr);
        gap: 30px;
    }
}

@media (max-width: 768px) {
    .nav-container {
        padding: 0 20px;
        height: 80px;
    }
    
    .nav-slogan {
        display: none;
    }
    
    .hamburger {
        display: flex;
    }
    
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--glass-bg);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 50px;
        transition: var(--transition);
        box-shadow: var(--shadow-strong);
        border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-menu li {
        margin: 20px 0;
        opacity: 0;
        transform: translateY(20px);
        animation: slideInNav 0.5s ease forwards;
    }
    
    .nav-menu li:nth-child(1) { animation-delay: 0.1s; }
    .nav-menu li:nth-child(2) { animation-delay: 0.2s; }
    .nav-menu li:nth-child(3) { animation-delay: 0.3s; }
    .nav-menu li:nth-child(4) { animation-delay: 0.4s; }
    
    @keyframes slideInNav {
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .hero {
        height: 80vh;
    }
    
    .hero-title {
        font-size: 2.2rem;
    }
    
    .hero-subtitle {
        font-size: 1.1rem;
    }
    
    .service-cards-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .contact-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-main {
        grid-template-columns: repeat(2, 1fr);
        gap: 30px;
    }
    
    .company-stats {
        justify-content: center;
    }
    
    .footer-bottom-content {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }
    
    .footer-links {
        justify-content: center;
    }
    
    .footer-certifications {
        justify-content: center;
    }
    
    .contact-hours .contact-item {
        padding: 12px;
    }
    
    .contact-hours__row {
        padding: 10px 0;
    }
    
    .blog-item {
        margin-bottom: 15px;
    }
    
    .language-toggle {
        top: 15px;
        right: 15px;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-title {
        font-size: 1.8rem;
    }
    
    .hero-subtitle {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .service-card {
        margin: 0 10px;
    }
    
    .contact-form {
        padding: 30px 20px;
    }
    
    .footer-logo img {
        height: 50px;
    }
    
    .footer-main {
        grid-template-columns: 1fr;
        gap: 25px;
    }
    
    .company-stats {
        flex-direction: column;
        align-items: center;
    }
    
    .stat-item {
        min-width: 120px;
    }
}

/* Accessibility and Performance Optimizations */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Touch Device Enhancements */
.touch-device .service-card:hover,
.touch-device .service-category:hover,
.touch-device .feature-item:hover,
.touch-device .project-item:hover {
    transform: none;
}

.touch-device .service-card.touch-active,
.touch-device .service-category.touch-active,
.touch-device .feature-item.touch-active,
.touch-device .project-item.touch-active {
    transform: scale(0.98);
    box-shadow: var(--shadow-strong);
}

/* Loading Screen */
.loading-screen {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.loading-screen.hidden {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
}

.loading-content {
    text-align: center;
    color: var(--white);
}

.loading-logo {
    height: 80px;
    margin-bottom: 30px;
    filter: brightness(0) invert(1);
    animation: pulse 2s ease-in-out infinite;
}

.loading-spinner {
    width: 50px;
    height: 50px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-top: 3px solid var(--white);
    border-radius: 50%;
    margin: 0 auto 20px;
    animation: spin 1s linear infinite;
}

.loading-text {
    font-size: 1.1rem;
    font-weight: 500;
    opacity: 0.9;
}

@keyframes pulse {
    0%, 100% { transform: translate3d(0, 0, 0) scale(1); }
    50% { transform: translate3d(0, 0, 0) scale(1.05); }
}

@keyframes spin {
    0% { transform: translate3d(0, 0, 0) rotate(0deg); }
    100% { transform: translate3d(0, 0, 0) rotate(360deg); }
}

/* Scroll to Top Button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--orange-gradient);
    border: none;
    border-radius: 50%;
    color: var(--white);
    font-size: 1.2rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px);
    transition: var(--transition);
    box-shadow: var(--shadow-strong);
    z-index: 999;
}

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

.scroll-to-top:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 35px rgba(255, 107, 53, 0.6);
    background: linear-gradient(135deg, #ff8c42, #ff6b35);
}

.scroll-to-top:active {
    transform: translateY(-1px);
}

/* Image Error Handling */
.image-error {
    position: relative;
}

.image-error::after {
    content: '⚠️';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    font-size: 1.5rem;
    opacity: 0.5;
    pointer-events: none;
}

.image-loaded {
    opacity: 1;
    transition: opacity 0.3s ease;
}

/* Image Loading Optimizations */
img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Optimize image loading for better performance */
.card-image img,
.project-item img,
.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
    filter: brightness(0.9) contrast(1.1);
}

/* Progressive image loading - Fixed */
img[loading="lazy"] {
    opacity: 1;
    transition: opacity 0.3s ease;
}

img[loading="lazy"].loaded {
    opacity: 1;
}

/* Print Styles */
@media print {
    .navbar, .language-toggle, .footer-social, .scroll-to-top, .loading-screen {
        display: none !important;
    }
    
    .hero {
        height: auto;
        padding: 50px 0;
    }
    
    .service-card,
    .feature-item,
    .project-item {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid #ccc;
    }
}