/* ===================================
   Bureau d'Études - Kinshasa
   Stylesheet Principal
   =================================== */

/* Import Google Fonts - Open Sans */
@import url('https://fonts.googleapis.com/css2?family=Open+Sans:wght@300;400;500;600;700;800&display=swap');

/* Variables CSS */
:root {
    --color-primary: #ffffff;
    --color-secondary: #0b2294;
    --color-accent-blue: #0b2294;
    --color-accent-green: #047c3a;
    --color-accent-red: #fe290b;
    --font-main: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    --transition: all 0.3s ease;
}

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

/* Style optimisé global pour tous les textes */
p, li, span, div, td, th {
    font-size: 0.85rem;
    line-height: 1.6;
}

/* Exceptions pour les éléments qui ont besoin de tailles spécifiques */
.nav-menu a, .btn, .form-group input, .form-group textarea, .form-group select {
    font-size: 0.85rem;
}

.footer-bottom {
    font-size: 0.75rem;
}

body {
    font-family: var(--font-main);
    font-size: 0.85rem;
    line-height: 1.6;
    color: var(--color-secondary);
    background-color: var(--color-primary);
}

a {
    text-decoration: none;
    color: inherit;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Header & Navigation */
header {
    background-color: var(--color-primary);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 0.5rem 0;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.5rem 0;
    min-height: 80px;
}

.logo {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-accent-blue);
    text-decoration: none;
    display: flex;
    align-items: center;
    transition: var(--transition);
}

.logo:hover {
    opacity: 0.85;
    transform: scale(1.02);
}

.logo-img {
    height: 55px;
    width: auto;
    max-width: 180px;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu li {
    display: flex;
    align-items: center;
}

.nav-menu a {
    color: var(--color-secondary);
    font-weight: 500;
    transition: var(--transition);
    padding: 0.5rem 1rem;
    border-radius: 5px;
    position: relative;
}

.nav-menu a:hover {
    color: #0b2294;
    background-color: rgba(11, 34, 148, 0.05);
    transform: translateY(-2px);
}

.nav-menu a.active {
    color: #0b2294;
    background-color: rgba(11, 34, 148, 0.1);
    font-weight: 600;
}

/* Menu déroulant */
.nav-menu li {
    position: relative;
}

.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 0.3rem;
    cursor: pointer;
}

.dropdown-toggle i {
    font-size: 0.7rem;
    transition: var(--transition);
}

.dropdown:hover .dropdown-toggle i {
    transform: rotate(180deg);
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: white;
    min-width: 220px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
    border-radius: 8px;
    margin-top: 0.5rem;
    opacity: 0;
    visibility: hidden;
    transform: translateY(-10px);
    transition: var(--transition);
    z-index: 1000;
    padding: 0.5rem 0;
}

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

.dropdown-menu li {
    width: 100%;
    border-bottom: none;
}

.dropdown-menu a {
    display: block;
    padding: 0.8rem 1.5rem;
    color: var(--color-secondary);
    border-radius: 0;
    transition: var(--transition);
}

.dropdown-menu a:hover {
    background-color: rgba(11, 34, 148, 0.1);
    color: #0b2294;
    transform: translateX(5px);
}

.dropdown-menu a i {
    margin-right: 0.5rem;
    width: 20px;
    text-align: center;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 4px;
}

.menu-toggle span {
    width: 30px;
    height: 3px;
    background-color: #0b2294;
    transition: var(--transition);
    border-radius: 2px;
}

.menu-toggle:hover span {
    background-color: var(--color-accent-red);
}

/* Language Switcher */
.language-switcher {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-left: 1rem;
}

.lang-btn {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    border: 2px solid #e0e0e0;
    background-color: white;
    color: #666;
    font-weight: 600;
    font-size: 0.75rem;
    cursor: pointer;
    transition: var(--transition);
}

.lang-btn:hover {
    border-color: var(--color-accent-blue);
    color: var(--color-accent-blue);
    transform: scale(1.05);
}

.lang-btn.active {
    background-color: var(--color-accent-blue);
    border-color: var(--color-accent-blue);
    color: white;
    box-shadow: 0 2px 10px rgba(11, 34, 148, 0.3);
}

.lang-separator {
    width: 1px;
    height: 20px;
    background-color: #e0e0e0;
    margin: 0 0.3rem;
}

/* Hero Section */
.hero {
    background: linear-gradient(135deg, var(--color-accent-blue) 0%, #0d2db0 100%);
    color: var(--color-primary);
    padding: 4rem 0;
    text-align: center;
}

.hero h1 {
    font-size: 2rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero p {
    font-size: 1rem;
    margin-bottom: 2rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.7rem 1.8rem;
    border-radius: 5px;
    font-weight: 600;
    transition: var(--transition);
    cursor: pointer;
    border: none;
    font-size: 0.85rem;
}

.btn-primary {
    background-color: var(--color-accent-red);
    color: var(--color-primary);
}

.btn-primary:hover {
    background-color: #d42109;
    transform: translateY(-2px);
    box-shadow: 0 4px 15px rgba(254, 41, 11, 0.3);
}

.btn-secondary {
    background-color: var(--color-primary);
    color: var(--color-accent-blue);
}

.btn-secondary:hover {
    background-color: #f0f0f0;
    transform: translateY(-2px);
}

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

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-accent-blue);
}

/* Stats Section */
.stats {
    background-color: #f8f9fa;
    padding: 3rem 0;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    text-align: center;
}

.stat-item {
    padding: 1.5rem;
}

.stat-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-accent-blue);
    margin-bottom: 0.5rem;
}

.stat-label {
    color: #666;
    font-size: 0.85rem;
}

/* Section Styles */
.section {
    padding: 4rem 0;
}

.section-title {
    text-align: center;
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--color-secondary);
    font-weight: 700;
}

.section-subtitle {
    text-align: center;
    color: #666;
    margin-bottom: 3rem;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--color-primary);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 30px rgba(11, 34, 148, 0.2);
}

.service-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 1.5rem;
    background: linear-gradient(135deg, #0b2294 0%, #0d2db0 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--color-primary);
    transition: var(--transition);
    box-shadow: 0 4px 15px rgba(11, 34, 148, 0.2);
}

.service-card:hover .service-icon {
    transform: scale(1.1) rotate(5deg);
    box-shadow: 0 6px 25px rgba(11, 34, 148, 0.3);
}

.service-icon i {
    display: block;
}

.service-card h3 {
    color: var(--color-accent-blue);
    margin-bottom: 1rem;
    font-size: 1.1rem;
}

.service-card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Team Section */
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.team-member {
    text-align: center;
    padding: 1.5rem;
    background-color: var(--color-primary);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-5px);
}

.team-photo {
    width: 130px;
    height: 130px;
    border-radius: 50%;
    margin: 0 auto 1rem;
    background-color: #f8f9fa;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--color-accent-blue);
    overflow: hidden;
    border: 3px solid #0b2294;
    box-shadow: 0 4px 15px rgba(11, 34, 148, 0.2);
    transition: var(--transition);
}

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

.team-member:hover .team-photo {
    transform: scale(1.05);
    box-shadow: 0 6px 25px rgba(11, 34, 148, 0.3);
}

.team-member:hover .team-photo-img {
    transform: scale(1.1);
}

.team-member h3 {
    margin-bottom: 0.5rem;
    color: var(--color-secondary);
}

.team-role {
    color: var(--color-accent-blue);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.team-bio {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Projects Grid */
.projects-filters {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.filter-btn {
    padding: 0.5rem 1.5rem;
    background-color: #f0f0f0;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: var(--transition);
    font-family: var(--font-main);
    font-weight: 500;
}

.filter-btn:hover,
.filter-btn.active {
    background-color: var(--color-accent-blue);
    color: var(--color-primary);
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.project-card {
    background-color: var(--color-primary);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.15);
}

.project-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #0b2294 0%, #0d2db0 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 3rem;
    position: relative;
    overflow: hidden;
    transition: var(--transition);
}

.project-image::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transform: rotate(45deg);
    transition: var(--transition);
}

.project-card:hover .project-image::before {
    animation: shimmer 1.5s infinite;
}

.project-image i {
    z-index: 1;
    transition: var(--transition);
}

.project-card:hover .project-image i {
    transform: scale(1.2);
}

@keyframes shimmer {
    0% {
        transform: translateX(-100%) translateY(-100%) rotate(45deg);
    }

    100% {
        transform: translateX(100%) translateY(100%) rotate(45deg);
    }
}

.project-content {
    padding: 1.5rem;
}

.project-category {
    display: inline-block;
    padding: 0.3rem 0.8rem;
    background-color: #e8f0fe;
    color: var(--color-accent-blue);
    border-radius: 5px;
    font-size: 0.75rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
}

.project-card h3 {
    margin-bottom: 0.8rem;
    color: var(--color-secondary);
}

.project-client {
    color: #666;
    font-size: 0.8rem;
    margin-bottom: 0.5rem;
}

.project-year {
    color: var(--color-accent-red);
    font-weight: 600;
    font-size: 0.8rem;
}

/* Blog Section */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.blog-card {
    background-color: var(--color-primary);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: var(--transition);
}

.blog-card:hover {
    transform: translateY(-5px);
}

.blog-image {
    width: 100%;
    height: 200px;
    background: linear-gradient(135deg, #0b2294, #1a3bb8);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
    font-size: 2rem;
}

.blog-content {
    padding: 1.5rem;
}

.blog-date {
    color: #999;
    font-size: 0.75rem;
    margin-bottom: 0.5rem;
}

.blog-card h3 {
    margin-bottom: 0.8rem;
    color: var(--color-secondary);
}

.blog-excerpt {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.read-more {
    color: var(--color-accent-blue);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.read-more:hover {
    color: var(--color-accent-red);
}

/* Contact Form */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.contact-icon {
    font-size: 1.3rem;
    color: var(--color-accent-blue);
    margin-top: 0.2rem;
}

.contact-details h3 {
    margin-bottom: 0.5rem;
    color: var(--color-secondary);
}

.contact-details p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-weight: 600;
    color: var(--color-secondary);
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.7rem;
    border: 2px solid #e0e0e0;
    border-radius: 5px;
    font-family: var(--font-main);
    transition: var(--transition);
    font-size: 0.85rem;
}

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

.form-group textarea {
    min-height: 150px;
    resize: vertical;
}

.map-container {
    margin-top: 3rem;
    height: 400px;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.map-container iframe {
    width: 100%;
    height: 100%;
    border: none;
}

/* Footer */
footer {
    background-color: var(--color-primary);
    color: var(--color-accent-blue);
    padding: 4rem 0 2rem;
}

/* Footer Brand Section */
.footer-brand {
    text-align: center;
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(11, 34, 148, 0.2);
}

.footer-logo {
    margin-bottom: 1rem;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1rem;
}

.footer-logo-img {
    height: 100px;
    width: auto;
    max-width: 250px;
    transition: var(--transition);
}

.footer-logo h2 {
    color: var(--color-accent-blue);
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-tagline {
    color: rgba(11, 34, 148, 0.8);
    font-size: 0.95rem;
    font-style: italic;
    margin: 0;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    margin-bottom: 3rem;
}

.footer-section h3 {
    margin-bottom: 1.5rem;
    color: var(--color-accent-blue);
    font-size: 1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-section p,
.footer-section a {
    color: rgba(11, 34, 148, 0.8);
    line-height: 1.6;
    transition: var(--transition);
    font-size: 0.9rem;
}

.footer-section a:hover {
    color: var(--color-accent-red);
    transform: translateX(5px);
}

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

.footer-links li {
    margin-bottom: 0.8rem;
}

/* Footer Social Section */
.footer-social {
    text-align: center;
    margin: 3rem 0;
    padding: 3rem 0;
    border-top: 1px solid rgba(11, 34, 148, 0.2);
    border-bottom: 1px solid rgba(11, 34, 148, 0.2);
}

.footer-social h3 {
    color: var(--color-accent-blue);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 2rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.social-links {
    display: flex;
    gap: 2rem;
    justify-content: center;
    margin-top: 2rem;
    flex-wrap: wrap;
}

/* Classes Tailwind CSS pour les liens sociaux */
.w-10 {
    width: 2.5rem;
}

.h-10 {
    height: 2.5rem;
}

.bg-white {
    background-color: white;
}

.bg-opacity-20 {
    background-color: rgba(11, 34, 148, 0.1);
}

.bg-opacity-30 {
    background-color: rgba(11, 34, 148, 0.15);
}

.rounded-full {
    border-radius: 50%;
}

.flex {
    display: flex;
}

.items-center {
    align-items: center;
}

.justify-center {
    justify-content: center;
}

.text-white {
    color: #0b2294;
}

.hover\:bg-opacity-30:hover {
    background-color: var(--color-accent-blue);
}

.transition {
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
}

.duration-300 {
    transition-duration: 300ms;
}

/* Styles pour les icônes Font Awesome */
.social-links a {
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid rgba(11, 34, 148, 0.3);
}

.social-links a:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(11, 34, 148, 0.4);
    color: var(--color-primary);
}

.social-links i {
    font-size: 0.95rem;
}

/* Social icons large pour footer */
.social-icon-large {
    width: 60px;
    height: 60px;
    background-color: rgba(11, 34, 148, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #0b2294;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid rgba(11, 34, 148, 0.3);
}

.social-icon-large:hover {
    background-color: #0b2294;
    color: var(--color-primary);
    transform: translateY(-5px) scale(1.1);
    box-shadow: 0 8px 20px rgba(11, 34, 148, 0.4);
    border-color: #0b2294;
}

.social-icon-large i {
    font-size: 1.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(11, 34, 148, 0.2);
    color: rgba(11, 34, 148, 0.7);
    font-size: 0.9rem;
    position: relative;
}

.footer-bottom a {
    color: #e00000;
    text-decoration: none;
    font-weight: 600;
}

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

/* Scroll to top button */
.scroll-to-top {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 45px;
    height: 45px;
    background-color: var(--color-accent-blue);
    color: var(--color-primary);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
    transition: var(--transition);
    z-index: 1000;
    box-shadow: 0 4px 15px rgba(11, 34, 148, 0.3);
}

.scroll-to-top:hover {
    background-color: var(--color-accent-red);
    transform: translateY(-3px);
    box-shadow: 0 6px 20px rgba(246, 50, 36, 0.4);
}

.scroll-to-top.hidden {
    opacity: 0;
    visibility: hidden;
}

/* Mission/Vision Cards */
.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.value-card {
    padding: 2rem;
    background-color: var(--color-primary);
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    border-left: 4px solid var(--color-accent-blue);
}

.value-card h3 {
    color: var(--color-accent-blue);
    margin-bottom: 1rem;
}

.value-card p {
    color: #666;
    font-size: 0.9rem;
    line-height: 1.6;
}

/* Responsive Design */
@media (max-width: 768px) {

    /* Logo responsive mobile */
    .logo-img {
        height: 50px;
        max-width: 160px;
    }

    .footer-logo-img {
        height: 80px;
        max-width: 200px;
    }

    header {
        padding: 0.3rem 0;
    }

    nav {
        min-height: 70px;
        padding: 0.3rem 0;
    }

    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background-color: var(--color-primary);
        width: 100%;
        text-align: center;
        transition: var(--transition);
        box-shadow: 0 10px 27px rgba(0, 0, 0, 0.05);
        padding: 2rem 0;
        gap: 0;
    }

    .nav-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(11, 34, 148, 0.1);
    }

    .nav-menu a {
        display: block;
        width: 100%;
        padding: 1rem;
        border-radius: 0;
    }

    .nav-menu a:hover {
        background-color: rgba(11, 34, 148, 0.1);
        color: #0b2294;
        transform: translateX(5px);
    }

    .nav-menu a.active {
        background-color: rgba(11, 34, 148, 0.15);
        border-left: 4px solid #0b2294;
    }

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

    .menu-toggle {
        display: flex;
        padding: 0.5rem;
    }

    /* Language switcher responsive mobile */
    .language-switcher {
        position: fixed;
        bottom: 80px;
        right: 20px;
        z-index: 999;
        background: white;
        padding: 0.5rem;
        border-radius: 50px;
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        margin-left: 0;
    }

    /* Dropdown mobile */
    .dropdown {
        width: 100%;
    }

    .dropdown-menu {
        position: static;
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
        box-shadow: none;
        margin-top: 0;
        padding: 0;
        background-color: rgba(11, 34, 148, 0.05);
        display: none;
        border-radius: 0;
    }

    .dropdown.active .dropdown-menu {
        display: block;
        animation: slideDown 0.3s ease-out;
    }

    @keyframes slideDown {
        from {
            opacity: 0;
            max-height: 0;
        }

        to {
            opacity: 1;
            max-height: 300px;
        }
    }

    .dropdown-toggle {
        width: 100%;
        justify-content: space-between;
        padding: 1rem;
        display: flex !important;
    }

    .dropdown-menu li {
        width: 100%;
        border-bottom: 1px solid rgba(11, 34, 148, 0.05);
    }

    .dropdown-menu a {
        padding-left: 2rem !important;
        display: block;
    }

    .dropdown-toggle i {
        transition: transform 0.3s ease;
    }

    .dropdown.active .dropdown-toggle i {
        transform: rotate(180deg);
    }

    /* Social icons responsive mobile */
    .social-icon-large {
        width: 50px;
        height: 50px;
    }

    .social-icon-large i {
        font-size: 1.2rem;
    }

    .footer-social {
        margin: 2rem 0;
        padding: 2rem 0;
    }

    .footer-social h3 {
        font-size: 1.3rem;
        margin-bottom: 1.5rem;
    }

    .social-links {
        gap: 1.5rem;
    }

    .hero h1 {
        font-size: 1.6rem;
    }

    .hero p {
        font-size: 0.85rem;
    }

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

    .services-grid,
    .projects-grid,
    .blog-grid {
        grid-template-columns: 1fr;
    }
}

/* Utilities */
.text-center {
    text-align: center;
}

.mb-1 {
    margin-bottom: 1rem;
}

.mb-2 {
    margin-bottom: 2rem;
}

.mt-2 {
    margin-top: 2rem;
}

.hidden {
    display: none;
}

/* Animation */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

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

.fade-in {
    animation: fadeIn 0.6s ease-out;
}