/* Variables CSS */
:root {
    --primary-color: #e31837;
    --secondary-color: #ff3838;
    --text-color: #333;
    --white: #ffffff;
    --light-gray: #f5f5f5;
    --dark-gray: #333;
    --header-height-mobile: 60px;
    --header-height-tablet: 70px;
    --header-height-desktop: 80px;
    --container-padding-mobile: 15px;
    --container-padding-tablet: 30px;
    --container-padding-desktop: 50px;
    --border-radius-sm: 10px;
    --border-radius-md: 20px;
    --border-radius-lg: 30px;
    --transition-fast: 0.3s ease;
    --transition-medium: 0.5s ease;
    --box-shadow-sm: 0 2px 5px rgba(0,0,0,0.1);
    --box-shadow-md: 0 4px 10px rgba(0,0,0,0.15);
    --box-shadow-lg: 0 6px 20px rgba(0,0,0,0.2);
}

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

body {
    font-family: 'Poppins', sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    overflow-x: hidden;
}

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

/* Container */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--container-padding-desktop);
}

/* Header */
.header {
    background: rgba(255,255,255,0.98);
    backdrop-filter: blur(10px);
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    height: var(--header-height-desktop);
    border-bottom: 1px solid rgba(0,0,0,0.1);
    transition: var(--transition-fast);
}

.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
    padding: 0 var(--container-padding-desktop);
}

/* Logo */
.logo {
    display: flex;
    align-items: center;
    height: 100%;
}

.logo-img {
    height: calc(var(--header-height-desktop) - 20px);
    width: auto;
    object-fit: contain;
    transition: var(--transition-fast);
}

/* Navigation */
.nav-center {
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 500;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius-sm);
    transition: var(--transition-fast);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.nav-links a i {
    font-size: 1.2rem;
    transition: var(--transition-fast);
}

/* Partner Badge */
.partner-badge {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    padding: 12px 25px;
    border-radius: var(--border-radius-lg);
    color: var(--white);
    display: flex;
    align-items: center;
    gap: 15px;
    box-shadow: var(--box-shadow-md);
    position: relative;
    overflow: hidden;
}

/* Mobile Styles */
@media (max-width: 768px) {
    :root {
        --container-padding-mobile: 15px;
    }

    .header {
        height: var(--header-height-mobile);
    }

    .navbar {
        padding: 0 var(--container-padding-mobile);
    }

    .logo-img {
        height: calc(var(--header-height-mobile) - 15px);
    }

    /* Mobile Menu Button */
    .nav-toggle {
        width: 40px;
        height: 40px;
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        z-index: 1000;
        background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
        border-radius: 50%;
        box-shadow: var(--box-shadow-sm);
    }

    .nav-toggle span {
        width: 20px;
        height: 2px;
        background: var(--white);
        position: absolute;
        transition: var(--transition-fast);
    }

    .nav-toggle span:nth-child(1) { transform: translateY(-6px); }
    .nav-toggle span:nth-child(3) { transform: translateY(6px); }

    .nav-toggle.active span:nth-child(1) { transform: rotate(45deg); }
    .nav-toggle.active span:nth-child(2) { opacity: 0; }
    .nav-toggle.active span:nth-child(3) { transform: rotate(-45deg); }

    /* Mobile Navigation */
    .nav-center {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100vh;
        background: rgba(255,255,255,0.98);
        backdrop-filter: blur(10px);
        display: flex;
        align-items: center;
        justify-content: center;
        transform: translateX(100%);
        transition: var(--transition-medium);
        padding: 2rem var(--container-padding-mobile);
    }

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

    .nav-links {
        flex-direction: column;
        gap: 1.5rem;
        opacity: 0;
        transform: translateY(20px);
        transition: var(--transition-medium);
    }

    .nav-center.active .nav-links {
        opacity: 1;
        transform: translateY(0);
    }

    .nav-links a {
        font-size: 1.1rem;
        padding: 1rem 1.5rem;
        background: linear-gradient(to right, rgba(255,255,255,0.1), rgba(255,255,255,0.2));
        border: 1px solid rgba(255,255,255,0.1);
        border-radius: var(--border-radius-md);
        width: 100%;
        min-width: 200px;
        justify-content: center;
        box-shadow: var(--box-shadow-sm);
    }

    .nav-links a i {
        font-size: 1.3rem;
    }

    /* Mobile Partner Badge */
    .partner-badge {
        position: fixed;
        bottom: 20px;
        left: 50%;
        transform: translateX(-50%);
        padding: 10px 20px;
        width: calc(100% - 40px);
        max-width: 400px;
        justify-content: center;
        z-index: 990;
    }

    .partner-text {
        font-size: 0.9rem;
    }

    .partner-brand {
        font-size: 1.1rem;
    }

    /* Mobile Hero Section */
    .hero {
        padding-top: calc(var(--header-height-mobile) + 20px);
    }

    .hero-content {
        text-align: center;
        padding: 2rem var(--container-padding-mobile);
    }

    .hero h1 {
        font-size: 2rem;
        line-height: 1.3;
    }

    .hero p {
        font-size: 1rem;
        margin: 1rem 0;
    }

    /* Mobile Services Grid */
    .services-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
        padding: 2rem var(--container-padding-mobile);
    }

    .service-card {
        padding: 1.5rem;
        border-radius: var(--border-radius-md);
    }

    .service-card img {
        width: 60px;
        height: 60px;
        object-fit: contain;
    }
}

/* Small Mobile Styles */
@media (max-width: 480px) {
    .nav-toggle {
        width: 35px;
        height: 35px;
    }

    .nav-links a {
        font-size: 1rem;
        padding: 0.8rem 1.2rem;
        min-width: 180px;
    }

    .partner-badge {
        padding: 8px 15px;
        bottom: 15px;
    }

    .partner-text {
        font-size: 0.8rem;
    }

    .partner-brand {
        font-size: 1rem;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .service-card img {
        width: 50px;
        height: 50px;
    }
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from { 
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

/* Utility Classes */
.no-scroll {
    overflow: hidden;
}

.hidden {
    display: none;
}

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

.slide-up {
    animation: slideUp 0.5s ease forwards;
}

/* Hero Section */
.hero {
    min-height: calc(100vh - var(--header-height-desktop));
    background: linear-gradient(rgba(0,0,0,0.7), rgba(0,0,0,0.7));
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    position: relative;
    overflow: hidden;
    margin-top: var(--header-height-desktop);
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 2rem 20px;
    position: relative;
    z-index: 2;
}

.hero-image {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    object-fit: cover;
    z-index: 1;
    opacity: 0.8;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    text-shadow: 
        -1px -1px 0 #000,
        1px -1px 0 #000,
        -1px 1px 0 #000,
        1px 1px 0 #000,
        2px 2px 4px rgba(0,0,0,0.5);
    font-weight: 700;
    color: #ffffff;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 2rem;
    text-shadow: 
        -1px -1px 0 #000,
        1px -1px 0 #000,
        -1px 1px 0 #000,
        1px 1px 0 #000,
        2px 2px 4px rgba(0,0,0,0.5);
    font-weight: 500;
    color: #ffffff;
}

.cta-button {
    display: inline-block;
    padding: 1rem 2rem;
    background-color: var(--accent-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 5px;
    transition: background-color 0.3s ease;
}

.cta-button:hover {
    background-color: #e67e22;
}

/* Features Section */
.why-us {
    padding: 5rem 0;
    background-color: var(--light-gray);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.feature-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

/* Services Section */
.services-preview {
    padding: 5rem 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--white);
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.6s ease forwards;
}

.service-card:nth-child(1) { animation-delay: 0.1s; }
.service-card:nth-child(2) { animation-delay: 0.2s; }
.service-card:nth-child(3) { animation-delay: 0.3s; }
.service-card:nth-child(4) { animation-delay: 0.4s; }

.service-card img {
    width: 100%;
    height: 200px;
    object-fit: contain;
    padding: 1rem;
    background-color: var(--light-gray);
}

.service-card h3,
.service-card p {
    padding: 1rem;
}

.learn-more {
    display: inline-block;
    padding: 0.5rem 1rem;
    margin: 0 1rem 1rem;
    color: var(--primary-color);
    text-decoration: none;
    border: 1px solid var(--primary-color);
    border-radius: 5px;
    transition: all 0.3s ease;
}

.learn-more:hover {
    background-color: var(--primary-color);
    color: var(--white);
}

/* Contact Preview Section */
.contact-preview {
    padding: 5rem 0;
    background-color: var(--light-gray);
}

.contact-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

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

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

/* About Page Styles */
.about-hero {
    height: 50vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/about-hero.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding-top: var(--header-height-desktop);
}

.about-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.about-content {
    padding: 5rem 0;
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text h2 {
    text-align: left;
    margin-bottom: 2rem;
}

.about-image img {
    width: 100%;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.values {
    padding: 5rem 0;
    background-color: var(--light-gray);
}

.values-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.value-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    transition: transform 0.3s ease;
}

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

.value-card i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.team {
    padding: 5rem 0;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.team-member {
    text-align: center;
}

.team-member img {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    margin-bottom: 1rem;
    object-fit: cover;
}

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

.certifications {
    padding: 5rem 0;
    background-color: var(--light-gray);
}

.cert-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.cert-item {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.cert-item img {
    width: 100px;
    height: 100px;
    margin-bottom: 1rem;
}

.cert-item h3 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

/* Services Page Styles */
.services-hero {
    height: 50vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/services-hero.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding-top: var(--header-height-desktop);
}

.services-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.services-list {
    padding: 5rem 0;
}

.services-list:nth-child(even) {
    background-color: var(--light-gray);
}

.service-details {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    margin-top: 3rem;
}

.service-details.reverse {
    direction: rtl;
}

.service-details.reverse .service-info {
    direction: ltr;
}

.service-image img {
    width: 100%;
    height: 300px;
    object-fit: contain;
    padding: 2rem;
    background-color: var(--light-gray);
    border-radius: 10px;
    transition: transform 0.3s ease;
}

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

.service-info ul {
    list-style: none;
    margin-bottom: 2rem;
}

.service-info li {
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.service-info i {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.cta-section {
    padding: 5rem 0;
    background: linear-gradient(rgba(0,0,0,0.8), rgba(0,0,0,0.8)), url('../images/cta-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
    text-align: center;
}

.cta-section h2 {
    color: var(--white);
    margin-bottom: 1rem;
}

.cta-section p {
    margin-bottom: 2rem;
    font-size: 1.2rem;
}

/* Contact Page Styles */
.contact-hero {
    height: 50vh;
    background: linear-gradient(rgba(0,0,0,0.5), rgba(0,0,0,0.5)), url('../images/contact-hero.jpg');
    background-size: cover;
    background-position: center;
    display: flex;
    align-items: center;
    text-align: center;
    color: var(--white);
    padding-top: var(--header-height-desktop);
}

.contact-hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.contact-section {
    padding: 5rem 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 3fr 2fr;
    gap: 4rem;
    margin-top: 3rem;
}

.contact-form {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    color: var(--text-color);
    font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ddd;
    border-radius: 5px;
    font-family: inherit;
    font-size: 1rem;
}

.form-group textarea {
    resize: vertical;
}

.submit-button {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 1rem 2rem;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.submit-button:hover {
    background-color: var(--secondary-color);
}

.error-message {
    color: #dc3545;
    font-size: 0.875rem;
    margin-top: 0.25rem;
}

.contact-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
}

.info-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

.info-card i {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.info-card h3 {
    color: var(--text-color);
    margin-bottom: 0.5rem;
}

.map-section {
    padding: 5rem 0;
    background-color: var(--light-gray);
}

.map-container {
    margin-top: 2rem;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

@media (max-width: 768px) {
    .contact-hero h1 {
        font-size: 2rem;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

/* Expertise Section Styles */
.expertise-section {
    padding: 5rem 0;
    background-color: var(--white);
}

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

.expertise-card {
    text-align: center;
    padding: 2rem;
    border-radius: 15px;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 5px;
    background: var(--primary-color);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.3s ease;
}

.expertise-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.1);
}

.expertise-card:hover::before {
    transform: scaleX(1);
}

.expertise-icon {
    width: 100px;
    height: 100px;
    margin: 0 auto 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    background: var(--light-gray);
    transition: transform 0.3s ease;
}

.expertise-icon img {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

.expertise-card:hover .expertise-icon {
    transform: rotate(360deg);
}

.expertise-card h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

/* Statistics Section Styles */
.stats-section {
    padding: 5rem 0;
    background: linear-gradient(rgba(26, 77, 128, 0.9), rgba(26, 77, 128, 0.9)), url('../images/stats-bg.jpg');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    text-align: center;
}

.stat-item {
    padding: 2rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(5px);
    transition: transform 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
}

.stat-number {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: linear-gradient(45deg, var(--accent-color), #ffffff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.stat-label {
    font-size: 1.2rem;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .expertise-grid {
        gap: 2rem;
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .stat-label {
        font-size: 1rem;
    }
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h4 {
    margin-bottom: 1rem;
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: var(--white);
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer-section a:hover {
    color: var(--accent-color);
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-links a {
    font-size: 1.5rem;
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255,255,255,0.1);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-toggle {
        display: block;
        cursor: pointer;
    }

    .nav-toggle span {
        display: block;
        width: 25px;
        height: 3px;
        background-color: var(--text-color);
        margin: 5px 0;
        transition: all 0.3s ease;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        padding: 1rem;
        box-shadow: 0 2px 5px rgba(0,0,0,0.1);
    }

    .nav-links.active {
        display: block;
    }

    .nav-links li {
        margin: 1rem 0;
    }

    .nav-links li a {
        font-size: 1.2rem;
        padding: 1rem 2rem;
    }

    .partner-badge {
        position: fixed;
        bottom: 20px;
        left: 20px;
        transform: translateX(0);
        z-index: 95;
        margin: 0;
    }

    .logo-img {
        height: 70px;
    }
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(-20px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@media (max-width: 480px) {
    .partner-badge {
        flex-direction: column;
        align-items: center;
        padding: 10px;
        gap: 5px;
    }

    .partner-text {
        font-size: 0.8rem;
    }

    .partner-brand {
        font-size: 1rem;
    }

    .logo-img {
        height: 50px;
    }
}

/* Section Headers */
h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: var(--primary-color);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}