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

:root {
    --primary-color: #ffffff;
    --secondary-color: #e0e0e0;
    --accent-color: #00aaff;
    --text-dark: #ffffff;
    --text-light: #b0b0b0;
    --bg-light: #1a1a1a;
    --bg-card: #2a2a2a;
    --bg-dark: #000000;
    --white: #ffffff;
    --border-color: #404040;
    --shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 4px 16px rgba(0, 0, 0, 0.5);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.7;
    color: var(--text-dark);
    overflow-x: hidden;
    background-color: var(--bg-dark);
}

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

/* Header */
.header {
    background: var(--bg-dark);
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 20px;
}

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

.logo-icon {
    width: 50px;
    height: 50px;
    object-fit: contain;
    flex-shrink: 0;
}

.logo-text-img {
    max-width: 200px;
    height: auto;
    object-fit: contain;
    flex-shrink: 0;
}

.logo-text {
    display: flex;
    flex-direction: column;
}

.logo h1 {
    color: var(--white);
    font-size: 1.9rem;
    font-weight: 600;
    margin-bottom: 0.2rem;
    letter-spacing: -0.5px;
}

.tagline {
    color: var(--text-light);
    font-size: 0.85rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
}

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

.nav-link {
    text-decoration: none;
    color: var(--text-dark);
    font-weight: 500;
    transition: color 0.3s;
    position: relative;
}

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

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--accent-color);
    transition: width 0.3s;
}

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

.nav-toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background: var(--white);
    transition: all 0.3s;
}

/* Hero Section */
.hero {
    position: relative;
    background: #000000;
    color: var(--white);
    padding: 100px 20px 70px;
    text-align: center;
    overflow: hidden;
    border-bottom: 4px solid var(--accent-color);
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: transparent;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-sarl {
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--text-light);
    margin-bottom: 0.5rem;
}

.hero-logo {
    max-width: 500px;
    width: 100%;
    height: auto;
    margin: 0 auto 2rem;
    display: block;
    animation: fadeInUp 0.8s ease-out;
    object-fit: contain;
    object-position: center;
    transform: translateZ(0);
    will-change: transform;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    image-rendering: -webkit-optimize-contrast;
    image-rendering: auto;
}

.hero-title {
    font-size: 2.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    animation: fadeInUp 0.8s ease-out 0.1s both;
    letter-spacing: -0.5px;
    display: none;
}

.hero-subtitle {
    font-size: 1.15rem;
    margin-bottom: 2rem;
    opacity: 0.92;
    font-weight: 400;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease-out 0.4s both;
}

.btn {
    padding: 14px 32px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
    display: inline-block;
    border: 2px solid transparent;
}

.btn-primary {
    background: var(--accent-color);
    color: var(--white);
    font-weight: 500;
}

.btn-primary:hover {
    background: #0099dd;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border-color: rgba(255, 255, 255, 0.8);
    font-weight: 500;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--white);
    color: var(--white);
}

/* Sections */
section {
    padding: 80px 20px;
}

.section-title {
    font-size: 2.2rem;
    font-weight: 600;
    text-align: center;
    margin-bottom: 0.8rem;
    color: var(--white);
    letter-spacing: -0.3px;
}

.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 3rem;
    font-weight: 400;
}

/* Services Section */
.services {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.service-card {
    background: var(--bg-card);
    padding: 2rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
    transition: all 0.3s;
}

.service-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
    border-color: var(--accent-color);
    background: #333333;
}

.service-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
}

.service-card h3 {
    font-size: 1.3rem;
    color: var(--white);
    margin-bottom: 0.8rem;
    font-weight: 600;
    letter-spacing: -0.2px;
}

.service-card p {
    color: var(--text-light);
    line-height: 1.7;
    font-size: 0.95rem;
}

/* Certifications Section */
.certifications {
    background: var(--bg-light);
    border-top: 1px solid var(--border-color);
}

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

.cert-card {
    background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-light) 100%);
    color: var(--white);
    padding: 2.5rem;
    border-radius: 8px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 2px solid var(--accent-color);
}

.cert-logo {
    max-width: 200px;
    width: 100%;
    height: auto;
    margin: 0 auto 1.5rem;
    display: block;
    object-fit: contain;
}

.cert-card h3 {
    font-size: 2.2rem;
    margin-bottom: 0.8rem;
    font-weight: 600;
    letter-spacing: 2px;
}

.cert-card p {
    font-size: 1rem;
    opacity: 0.92;
    font-weight: 400;
}

.cert-note {
    text-align: center;
    color: var(--text-light);
    margin-top: 2rem;
    font-style: italic;
}

/* Contact Section */
.contact {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    margin-top: 3rem;
}

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

.contact-item {
    display: flex;
    gap: 1.5rem;
    align-items: flex-start;
}

.contact-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.contact-item h3 {
    color: var(--white);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
    font-weight: 600;
}

.contact-item p {
    color: var(--text-light);
    margin-bottom: 0.3rem;
}

.contact-item a {
    color: var(--accent-color);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: 500;
}

.contact-item a:hover {
    color: var(--white);
    text-decoration: underline;
}

.contact-form-container {
    background: var(--bg-card);
    padding: 2.5rem;
    border-radius: 8px;
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

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

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

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

.form-group input,
.form-group select,
.form-group textarea {
    padding: 12px 14px;
    border: 1px solid var(--border-color);
    border-radius: 6px;
    font-family: inherit;
    font-size: 0.95rem;
    transition: all 0.3s;
    background-color: var(--bg-card);
    color: var(--white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--accent-color);
    box-shadow: 0 0 0 3px rgba(49, 130, 206, 0.1);
}

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

.form-message {
    padding: 12px 16px;
    border-radius: 6px;
    margin-bottom: 1rem;
    font-size: 0.95rem;
    animation: slideIn 0.3s ease-out;
}

.form-message-success {
    background: rgba(76, 175, 80, 0.2);
    color: #4caf50;
    border: 1px solid #4caf50;
}

.form-message-error {
    background: rgba(244, 67, 54, 0.2);
    color: #f44336;
    border: 1px solid #f44336;
}

.form-message-info {
    background: rgba(33, 150, 243, 0.2);
    color: #2196f3;
    border: 1px solid #2196f3;
}

@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Footer */
.footer {
    background: var(--bg-dark);
    color: var(--white);
    padding: 3rem 20px 1.5rem;
    border-top: 3px solid var(--accent-color);
}

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

.footer-section h3,
.footer-section h4 {
    margin-bottom: 1rem;
    color: var(--white);
}

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

.footer-section ul li {
    margin-bottom: 0.5rem;
    color: rgba(255, 255, 255, 0.8);
}

.footer-section p {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0.5rem;
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
    text-decoration: none;
    transition: color 0.3s;
}

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

.siret {
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.7);
}

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.15);
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.9rem;
}

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

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        left: -100%;
        top: 70px;
        flex-direction: column;
        background: var(--bg-dark);
        width: 100%;
        text-align: center;
        transition: 0.3s;
        box-shadow: var(--shadow);
        padding: 2rem 0;
        border-top: 1px solid var(--border-color);
    }

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

    .nav-toggle {
        display: flex;
    }

    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(8px, 8px);
    }

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

    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(7px, -7px);
    }

    .hero-logo {
        max-width: 400px;
        margin-bottom: 1.5rem;
    }

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

    .hero-subtitle {
        font-size: 1.1rem;
    }

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

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

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

@media (max-width: 480px) {
    .hero {
        padding: 100px 20px 60px;
    }

    .hero-logo {
        max-width: 300px;
        margin-bottom: 1rem;
    }

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

    .hero-buttons {
        flex-direction: column;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
    }

    .logo-text-img {
        max-width: 150px;
        height: auto;
    }

    .logo h1 {
        font-size: 1.5rem;
    }

    .btn {
        width: 100%;
        text-align: center;
    }
}