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

:root {
    --primary: #4482a9;
    --primary-dark: #757C88;
    --secondary: #e67e22;
    --tertiary: #527756;
    --dark: #454C58;
    --light: #ecf0f1;
    --gray: #757C88;
    --white: #ffffff;
    --accent: #d35400;
    --accent2: #e67e22;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--dark);
}

header {
    background: var(--light);
    color: var(--dark);
    padding: 0rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

nav {
    background: var(--light);
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.logo img {
    height: 100px;
    width: auto;
}

.logo-text {
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 2px;
    display: none;
}

.logo-text span {
    color: var(--secondary);
}

nav ul {
    display: flex;
    list-style: none;
    gap: 2rem;
    background: var(--light);
}

nav a {
    color: var(--dark);
    text-decoration: none;
    transition: color 0.3s;
    font-weight: bold;
}

nav a:hover {
    color: var(--secondary);
}

.hero {
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    color: var(--white);
    padding: 150px 2rem 100px;
    text-align: center;
    margin-top: 60px;
}

.hero h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    font-weight: 700;
}

.hero .subtitle {
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--secondary);
    font-weight: 600;
}

/* .subtitle_audit {
    color: var(--primary);
}

.subtitle_qualite {
    color: var(--tertiary);
}

.subtitle_expertise {
    color: var(--secondary);
}
 */

.hero p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 2rem;
    line-height: 1.8;
}

.cta-button {
    display: inline-block;
    background: var(--secondary);
    color: var(--white);
    padding: 1rem 2.5rem;
    text-decoration: none;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s;
}

.cta-button:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px var(--accent2);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 4rem 2rem;
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 3rem;
    color: var(--dark);
    position: relative;
    padding-bottom: 1rem;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--secondary);
    border-radius: 2px;
}

.services {
    background: var(--light);
}

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

.service-card {
    background: var(--white);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    transition: transform 0.3s, box-shadow 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.15);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    border-radius: 12px;
    color: var(--white);
}

.service-icon svg {
    width: 32px;
    height: 32px;
}

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

.service-card .modalite {
    display: inline-block;
    background: var(--secondary);
    color: var(--white);
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.service-card ul {
    list-style: none;
    margin-top: 1rem;
}

.service-card li {
    padding: 0.5rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray);
}

.service-card li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--secondary);
    font-weight: bold;
}

.about {
    background: var(--white);
}

.about-photo img {
    width: 150px;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.about-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: var(--primary);
}

.about-text p {
    margin-bottom: 1rem;
    color: var(--gray);
    line-height: 1.8;
}

.expertise-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-top: 2rem;
}

.expertise-item {
    background: var(--light);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--secondary);
    font-weight: 600;
    color: var(--dark);
}

.expertise-item ul {
    list-style: none;
    margin-top: 0.8rem;
    padding-left: 0;
}

.expertise-item li {
    padding: 0.3rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--gray);
    font-weight: 400;
    font-size: 0.95rem;
}

.expertise-item li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.contact {
    background: linear-gradient(135deg, var(--dark) 0%, var(--primary) 100%);
    color: var(--white);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.contact-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 1.5rem;
    border-radius: 10px;
    text-align: center;
    transition: transform 0.3s, background 0.3s;
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.contact-card:hover {
    transform: translateY(-5px);
    background: rgba(255, 255, 255, 0.15);
}

.contact-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--secondary);
    border-radius: 50%;
    color: var(--white);
}

.contact-icon svg {
    width: 26px;
    height: 26px;
}

.contact-card h3 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
    color: var(--white);
}

.contact-card a {
    color: var(--white);
    text-decoration: none;
    font-size: 1rem;
    display: inline-block;
    padding: 0.4rem 0.8rem;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 5px;
    transition: background 0.3s;
}

.contact-card a:hover {
    background: var(--secondary);
}

.contact-intro {
    text-align: center;
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.8;
}

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

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

.form-group label {
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.form-group input,
.form-group textarea,
.form-group select {
    padding: 0.8rem;
    border: none;
    border-radius: 5px;
    font-size: 1rem;
    font-family: inherit;
}

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

.submit-button {
    background: var(--secondary);
    color: var(--white);
    padding: 1rem;
    border: none;
    border-radius: 5px;
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s;
}

.submit-button:hover {
    background: var(--accent);
    transform: translateY(-2px);
} */

/* alert {
    padding: 1rem;
    border-radius: 5px;
    margin-bottom: 1.5rem;
    display: none;
}

.alert.show {
    display: block;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
} */

footer {
    background: #0d0d1a;
    color: var(--white);
    text-align: center;
    padding: 2rem;
}

#mentions-legales {
    color: #e67e22; 
    text-decoration: none;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--dark);
    font-size: 1.5rem;
    cursor: pointer;
}

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

    .hero .subtitle {
        font-size: 1.2rem;
    }

    nav ul {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--light);
        padding: 1rem;
        gap: 1rem;
    }

    nav ul.active {
        display: flex;
    }

    .menu-toggle {
        display: block;
    }

    .about-content {
        grid-template-columns: 1fr;
    }

    .expertise-list {
        grid-template-columns: 1fr;
    }

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