/* ==========================================
   CSS Variables & Reset
   ========================================== */
:root {
    --primary-color: #1e40af;
    --secondary-color: #f59e0b;
    --dark-color: #1f2937;
    --light-color: #f3f4f6;
    --white: #ffffff;
    --text-color: #374151;
    --border-color: #e5e7eb;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
    --gradient: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--white);
    overflow-x: hidden;
}

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Image Loading States */
img[loading="lazy"] {
    background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
    background-size: 200% 100%;
    animation: shimmer 1.5s infinite;
}

img[loading="lazy"].loaded {
    animation: none;
    background: none;
}

@keyframes shimmer {
    0% {
        background-position: -200% 0;
    }
    100% {
        background-position: 200% 0;
    }
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* ==========================================
   Utility Classes
   ========================================== */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.section-tag {
    display: inline-block;
    padding: 8px 20px;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.1), rgba(59, 130, 246, 0.1));
    color: var(--primary-color);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 15px;
}

.section-header h2 {
    font-size: 2.5rem;
    color: var(--dark-color);
    margin-bottom: 15px;
    font-weight: 700;
}

.section-subtitle {
    font-size: 1.125rem;
    color: #6b7280;
    max-width: 600px;
    margin: 0 auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-weight: 600;
    font-size: 1rem;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: var(--gradient);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(30, 64, 175, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(30, 64, 175, 0.4);
}

.btn-secondary {
    background: var(--white);
    color: var(--primary-color);
    border: 2px solid var(--white);
}

.btn-secondary:hover {
    background: transparent;
    color: var(--white);
}

/* ==========================================
   Header & Navigation
   ========================================== */
#header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

.navbar {
    padding: 15px 0;
}

.nav-wrapper {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--dark-color);
}

.logo img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    background: transparent;
}

.logo img[loading="lazy"] {
    animation: none;
    background: transparent;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 35px;
}

.nav-link {
    font-weight: 500;
    color: var(--text-color);
    position: relative;
    display: flex;
    align-items: center;
    gap: 5px;
    padding: 8px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary-color);
}

/* Dropdown Menu */
.dropdown {
    position: relative;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background: var(--white);
    min-width: 220px;
    padding: 15px 0;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 0;
}

.dropdown-menu a {
    display: block;
    padding: 10px 25px;
    color: var(--text-color);
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background: var(--light-color);
    color: var(--primary-color);
    padding-left: 30px;
}

.dropdown-menu .sub-item a {
    font-size: 0.9rem;
    padding-left: 35px;
}

.dropdown-menu .sub-item a:hover {
    padding-left: 40px;
}

/* Mega Menu */
.mega-dropdown {
    position: relative;
}

.mega-menu {
    position: absolute;
    top: 100%;
    left: -50%;
    background: var(--white);
    min-width: 500px;
    padding: 30px;
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.mega-dropdown:hover .mega-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.mega-menu-content {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.mega-menu-column h4 {
    color: var(--dark-color);
    margin-bottom: 15px;
    font-size: 1.1rem;
    padding-bottom: 10px;
    border-bottom: 2px solid var(--primary-color);
}

.mega-menu-column ul li {
    margin-bottom: 8px;
}

.mega-menu-column a {
    display: block;
    padding: 8px 12px;
    color: var(--text-color);
    border-radius: 6px;
    transition: var(--transition);
}

.mega-menu-column a:hover {
    background: var(--light-color);
    color: var(--primary-color);
    padding-left: 18px;
}

.mega-menu-column .sub-item a {
    font-size: 0.9rem;
    padding-left: 25px;
}

.mega-menu-column .sub-item a:hover {
    padding-left: 31px;
}

/* Third Level Submenu */
.mega-menu-column .has-submenu {
    position: relative;
}

.mega-menu-column .has-submenu > a {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mega-menu-column .has-submenu > a i {
    font-size: 0.75rem;
    transition: var(--transition);
}

.submenu-level-3 {
    position: absolute;
    left: 100%;
    top: 0;
    background: var(--white);
    min-width: 220px;
    padding: 15px 0;
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
    opacity: 0;
    visibility: hidden;
    transform: translateX(-10px);
    transition: var(--transition);
    z-index: 1;
}

.mega-menu-column .has-submenu:hover .submenu-level-3 {
    opacity: 1;
    visibility: visible;
    transform: translateX(0);
}

.mega-menu-column .has-submenu:hover > a i {
    transform: rotate(90deg);
}

.submenu-level-3 li {
    margin-bottom: 0;
}

.submenu-level-3 a {
    display: block;
    padding: 10px 20px;
    color: var(--text-color);
    font-size: 0.9rem;
    border-radius: 0;
    transition: var(--transition);
}

.submenu-level-3 a:hover {
    background: var(--light-color);
    color: var(--primary-color);
    padding-left: 25px;
}

/* Mobile Menu Toggle */
.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    padding: 5px;
}

.mobile-menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    border-radius: 3px;
    transition: var(--transition);
}

/* ==========================================
   Hero Section
   ========================================== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: url('assets/images/slider-1.jpg') center center/cover no-repeat;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(30, 64, 175, 0.8), rgba(59, 130, 246, 0.6));
}

.hero-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 0 20px;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    line-height: 1.2;
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    margin-bottom: 40px;
    opacity: 0.95;
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 1s ease 0.4s backwards;
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--white);
    border-radius: 20px;
    position: relative;
}

.scroll-indicator span::before {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 4px;
    height: 8px;
    background: var(--white);
    border-radius: 2px;
    animation: scroll 2s infinite;
}

@keyframes scroll {
    0%, 100% { opacity: 0; transform: translateX(-50%) translateY(0); }
    50% { opacity: 1; transform: translateX(-50%) translateY(10px); }
}

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

/* ==========================================
   About Section
   ========================================== */
.about-section {
    padding: 100px 0;
    background: var(--white);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text p {
    font-size: 1.125rem;
    line-height: 1.8;
    margin-bottom: 20px;
    color: var(--text-color);
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.feature-item {
    text-align: center;
    padding: 30px;
    background: var(--light-color);
    border-radius: 12px;
    transition: var(--transition);
}

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

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

.feature-item h4 {
    font-size: 1.25rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.feature-item p {
    color: #6b7280;
    font-size: 0.95rem;
}

/* ==========================================
   Services Section
   ========================================== */
.services-section {
    padding: 100px 0;
    background: var(--light-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.service-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.service-image {
    position: relative;
    height: 180px;
    overflow: hidden;
    background: #f3f4f6;
}

.service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, opacity 0.3s ease;
    opacity: 0;
}

.service-image img.loaded {
    opacity: 1;
}

.service-card:hover .service-image img {
    transform: scale(1.1);
}

.service-content {
    padding: 20px;
}

.service-content h3 {
    font-size: 1.1rem;
    color: var(--dark-color);
    margin-bottom: 10px;
}

.service-content > p {
    color: #6b7280;
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.service-list li {
    padding: 10px 0;
    color: var(--text-color);
    display: flex;
    align-items: center;
    gap: 10px;
}

.service-list i {
    color: var(--secondary-color);
    font-size: 1rem;
}

/* ==========================================
   References Section
   ========================================== */
.references-section {
    padding: 100px 0;
    background: var(--white);
}

.references-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    align-items: center;
}

.reference-card {
    background: var(--white);
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    transition: var(--transition);
    border: 2px solid var(--border-color);
    height: 150px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reference-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    background: var(--light-color);
}

.reference-logo {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.reference-logo img {
    max-width: 100%;
    max-height: 90px;
    width: auto;
    height: auto;
    object-fit: contain;
    filter: grayscale(100%);
    opacity: 0.7;
    transition: var(--transition);
}

.reference-card:hover .reference-logo img {
    filter: grayscale(0%);
    opacity: 1;
    transform: scale(1.05);
}

/* ==========================================
   Gallery Section
   ========================================== */
.gallery-section {
    padding: 100px 0;
    background: var(--light-color);
}

.gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

.gallery-item {
    position: relative;
    height: 300px;
    overflow: hidden;
    border-radius: 12px;
    cursor: pointer;
    background: #f3f4f6;
}

.gallery-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, opacity 0.3s ease;
    opacity: 0;
}

.gallery-item img.loaded {
    opacity: 1;
}

.gallery-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
    display: flex;
    align-items: flex-end;
    padding: 20px;
    opacity: 0;
    transition: var(--transition);
}

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

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

.gallery-overlay h4 {
    color: var(--white);
    font-size: 1.125rem;
}

/* ==========================================
   Blog Section
   ========================================== */
.blog-section {
    padding: 100px 0;
    background: var(--white);
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--white);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.blog-image {
    position: relative;
    height: 250px;
    overflow: hidden;
    background: #f3f4f6;
}

.blog-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease, opacity 0.3s ease;
    opacity: 0;
}

.blog-image img.loaded {
    opacity: 1;
}

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

.blog-date {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--secondary-color);
    color: var(--white);
    padding: 8px 15px;
    border-radius: 6px;
    font-size: 0.875rem;
    font-weight: 600;
}

.blog-content {
    padding: 30px;
}

.blog-content h3 {
    font-size: 1.375rem;
    color: var(--dark-color);
    margin-bottom: 15px;
    line-height: 1.4;
}

.blog-content p {
    color: #6b7280;
    margin-bottom: 20px;
    line-height: 1.6;
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.read-more:hover {
    gap: 12px;
}

.blog-view-all {
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 60px;
}

.blog-view-all .btn {
    min-width: 220px;
}

/* ==========================================
   Contact Section
   ========================================== */
.contact-section {
    padding: 100px 0;
    background: var(--light-color);
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    align-items: start;
}

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

.contact-item {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}

.contact-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 1.5rem;
    color: var(--white);
}

.contact-details h4 {
    font-size: 1.125rem;
    color: var(--dark-color);
    margin-bottom: 8px;
}

.contact-details p,
.contact-details a {
    color: #6b7280;
    line-height: 1.6;
}

.contact-details a:hover {
    color: var(--primary-color);
}

.contact-form-wrapper {
    background: var(--white);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: 15px;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ==========================================
   Map Section
   ========================================== */
.map-section {
    height: 450px;
}

.map-container {
    width: 100%;
    height: 100%;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: 0;
}

/* ==========================================
   Footer
   ========================================== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 60px 0 20px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 20px;
}

.footer-logo img {
    width: 50px;
    height: 50px;
    object-fit: contain;
    background: transparent;
}

.footer-logo img[loading="lazy"] {
    animation: none;
    background: transparent;
}

.footer-logo h3 {
    font-size: 1.25rem;
}

.footer-column p {
    color: #9ca3af;
    margin-bottom: 20px;
    line-height: 1.6;
}

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

.social-links a {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
}

.social-links a:hover {
    background: var(--primary-color);
    transform: translateY(-3px);
}

.footer-column h4 {
    font-size: 1.125rem;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-column ul li {
    margin-bottom: 12px;
}

.footer-column ul a {
    color: #9ca3af;
    transition: var(--transition);
    display: inline-block;
}

.footer-column ul a:hover {
    color: var(--white);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    color: #9ca3af;
}

.footer-contact i {
    color: var(--secondary-color);
    margin-top: 3px;
}

.footer-bottom {
    text-align: center;
    padding-top: 30px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: #9ca3af;
}

/* ==========================================
   Floating Buttons
   ========================================== */
.floating-buttons {
    position: fixed;
    bottom: 30px;
    right: 30px;
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 999;
}

.float-btn {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    animation: pulse 2s infinite;
}

.float-btn:hover {
    transform: scale(1.1);
    animation: none;
}

.float-btn i {
    font-size: 1.5rem;
    color: var(--white);
}

.float-btn.whatsapp {
    background: #25d366;
}

.float-btn.phone {
    background: var(--primary-color);
}

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(37, 211, 102, 0.7);
    }
    50% {
        box-shadow: 0 0 0 15px rgba(37, 211, 102, 0);
    }
}

/* ==========================================
   Back to Top Button
   ========================================== */
.back-to-top {
    position: fixed;
    bottom: 30px;
    left: 30px;
    width: 50px;
    height: 50px;
    background: var(--gradient);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 999;
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    transform: translateY(-5px);
}

/* ==========================================
   Responsive Design
   ========================================== */
@media (max-width: 1024px) {
    .nav-menu {
        gap: 25px;
    }

    .mega-menu {
        min-width: 400px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.25rem;
    }

    .services-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 15px;
    }
}

@media (max-width: 768px) {
    /* Mobile Menu */
    .mobile-menu-toggle {
        display: flex;
    }

    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: var(--white);
        flex-direction: column;
        align-items: flex-start;
        padding: 30px;
        gap: 0;
        overflow-y: auto;
        transition: var(--transition);
        box-shadow: var(--shadow-lg);
    }

    .nav-menu.active {
        left: 0;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid var(--border-color);
    }

    .nav-link {
        width: 100%;
        padding: 15px 0;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .nav-link i {
        transition: transform 0.3s ease;
    }

    .dropdown.active .nav-link i,
    .mega-dropdown.active .nav-link i {
        transform: rotate(180deg);
    }

    .dropdown-menu,
    .mega-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 10px 0 10px 20px;
        display: none;
    }

    .dropdown.active .dropdown-menu,
    .mega-dropdown.active .mega-menu {
        display: block;
    }

    .mega-menu-content {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    /* Mobile Third Level Menu */
    .submenu-level-3 {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: none;
        box-shadow: none;
        padding: 5px 0 5px 15px;
        display: none;
        min-width: auto;
    }

    .mega-menu-column .has-submenu.active .submenu-level-3 {
        display: block;
    }

    .submenu-level-3 a:hover {
        padding-left: 25px;
    }

    .mega-menu-column .has-submenu > a {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .mega-menu-column .has-submenu.active > a i {
        transform: rotate(90deg);
    }

    /* Hero */
    .hero {
        height: 70vh;
        min-height: 500px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.125rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: stretch;
    }

    .hero-buttons .btn {
        width: 100%;
    }

    /* Sections */
    .section-header h2 {
        font-size: 2rem;
    }

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 15px;
    }

    .references-grid,
    .gallery-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .contact-form-wrapper {
        padding: 30px 20px;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .floating-buttons {
        bottom: 20px;
        right: 20px;
    }

    .float-btn {
        width: 50px;
        height: 50px;
    }

    .back-to-top {
        bottom: 20px;
        left: 20px;
        width: 45px;
        height: 45px;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }

    .logo span {
        font-size: 1rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-header h2 {
        font-size: 1.75rem;
    }

    .about-features,
    .services-grid,
    .references-grid,
    .gallery-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }

    .services-grid {
        gap: 15px;
    }

    .service-card,
    .blog-card {
        min-width: 100%;
    }
}

/* ==========================================
   Print Styles
   ========================================== */
@media print {
    .navbar,
    .floating-buttons,
    .back-to-top,
    .hero-buttons,
    .scroll-indicator {
        display: none;
    }

    .hero {
        height: auto;
        min-height: auto;
        padding: 50px 0;
    }

    section {
        page-break-inside: avoid;
    }
}

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

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

/* ==========================================
   Loading Animation
   ========================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
    }
    to {
        opacity: 1;
    }
}

body {
    animation: fadeIn 0.5s ease;
}

/* ==========================================
   Performance Optimizations
   ========================================== */
* {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

img {
    content-visibility: auto;
}

.service-card,
.blog-card,
.reference-card,
.gallery-item {
    will-change: transform;
}