/* 
   Ross Informatique - Style principal
   Auteur: AI Assistant
   Date: 2024
*/

/* ===== RESET ET BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary-color: #475569;
    --accent-color: #f59e0b;
    --light-color: #f8fafc;
    --dark-color: #0f172a;
    --gray-color: #e2e8f0;
    --text-color: #334155;
    --border-radius: 8px;
    --box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s ease;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

a:hover {
    color: var(--primary-dark);
}

ul {
    list-style: none;
}

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

.section-title {
    font-size: 2.5rem;
    text-align: center;
    margin-bottom: 2rem;
    color: var(--dark-color);
    position: relative;
    padding-bottom: 15px;
}

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

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--secondary-color);
    margin-bottom: 3rem;
}

/* ===== BOUTONS ===== */
.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-dark);
    color: white;
}

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

.btn-secondary:hover {
    background-color: #334155;
    color: white;
}

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

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

/* ===== HEADER ET NAVIGATION ===== */
header {
    background-color: white;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    position: sticky;
    top: 0;
    z-index: 1000;
}

header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
}

.logo h1 {
    font-size: 1.8rem;
    color: var(--primary-color);
    font-weight: 700;
}

nav ul {
    display: flex;
}

nav ul li {
    margin-left: 30px;
}

nav ul li a {
    color: var(--dark-color);
    font-weight: 500;
    padding: 10px 0;
    position: relative;
}

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

nav ul li a:hover::after,
nav ul li a.active::after {
    width: 100%;
}

nav ul li a.active {
    color: var(--primary-color);
}

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

/* ===== HERO SECTION ===== */
.hero {
    background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)), url('../img/hero-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 100px 0;
    text-align: center;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.hero h2 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.hero p {
    font-size: 1.2rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

/* ===== SERVICES PREVIEW ===== */
.services-preview {
    padding: 80px 0;
    background-color: white;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
    text-align: center;
}

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

.service-icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.service-card p {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.read-more {
    font-weight: 600;
    color: var(--primary-color);
    display: inline-block;
    position: relative;
}

.read-more::after {
    content: '→';
    margin-left: 5px;
    transition: var(--transition);
}

.read-more:hover::after {
    margin-left: 10px;
}

/* ===== WHY US SECTION ===== */
.why-us {
    padding: 80px 0;
    background-color: var(--gray-color);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.feature {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.feature:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.1);
}

.feature-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.feature h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

/* ===== CONTACT PREVIEW ===== */
.contact-preview {
    padding: 80px 0;
    background: linear-gradient(rgba(37, 99, 235, 0.9), rgba(29, 78, 216, 0.9)), url('../img/contact-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-preview h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.contact-preview p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: 40px;
    margin: 30px 0;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 10px;
}

.contact-item i {
    font-size: 1.5rem;
}

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

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-logo h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: white;
}

.footer-logo p {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links h3,
.footer-services h3,
.footer-contact h3 {
    font-size: 1.2rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 10px;
}

.footer-links h3::after,
.footer-services h3::after,
.footer-contact h3::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 50px;
    height: 2px;
    background-color: var(--primary-color);
}

.footer-links ul li,
.footer-services ul li {
    margin-bottom: 10px;
}

.footer-links ul li a,
.footer-services ul li a {
    color: rgba(255, 255, 255, 0.7);
    transition: var(--transition);
}

.footer-links ul li a:hover,
.footer-services ul li a:hover {
    color: white;
    padding-left: 5px;
}

.footer-contact p {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.7);
}

.social-icons {
    display: flex;
    gap: 15px;
    margin-top: 20px;
}

.social-icons a {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 40px;
    height: 40px;
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    color: white;
    transition: var(--transition);
}

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

.footer-bottom {
    text-align: center;
    padding-top: 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* ===== PAGE HEADER ===== */
.page-header {
    background: linear-gradient(rgba(15, 23, 42, 0.8), rgba(15, 23, 42, 0.8)), url('../img/page-header-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    padding: 80px 0;
    text-align: center;
}

.page-header h1 {
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.page-header p {
    font-size: 1.2rem;
    max-width: 700px;
    margin: 0 auto;
    opacity: 0.9;
}

/* ===== SERVICE DETAIL ===== */
.service-detail {
    padding: 80px 0;
    background-color: white;
}

.service-detail.alternate {
    background-color: var(--gray-color);
}

.service-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

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

.service-content.reverse .service-text {
    direction: ltr;
}

.service-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.service-text h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.service-text p {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.service-features {
    margin: 25px 0;
}

.service-features li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
}

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

/* ===== CTA SECTION ===== */
.cta {
    padding: 80px 0;
    background: linear-gradient(rgba(15, 23, 42, 0.9), rgba(15, 23, 42, 0.9)), url('../img/cta-bg.jpg');
    background-size: cover;
    background-position: center;
    color: white;
    text-align: center;
}

.cta h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.cta p {
    font-size: 1.1rem;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    opacity: 0.9;
}

/* ===== ABOUT PAGE ===== */
.about-intro {
    padding: 80px 0;
    background-color: white;
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
}

.about-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
}

.about-text h2 {
    font-size: 2.2rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.about-text p {
    margin-bottom: 20px;
    color: var(--secondary-color);
}

.mission-vision {
    padding: 80px 0;
    background-color: var(--gray-color);
}

.mission-vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.mission-box,
.vision-box,
.values-box {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.mission-box:hover,
.vision-box:hover,
.values-box:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.mission-box .icon,
.vision-box .icon,
.values-box .icon {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.mission-box h2,
.vision-box h2,
.values-box h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.values-box ul li {
    margin-bottom: 10px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.values-box ul li i {
    color: var(--primary-color);
}

.team {
    padding: 80px 0;
    background-color: white;
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.team-member {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.team-member:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.member-image {
    height: 250px;
    overflow: hidden;
}

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

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

.team-member h3 {
    font-size: 1.3rem;
    margin: 20px 0 5px;
    padding: 0 20px;
    color: var(--dark-color);
}

.team-member .position {
    color: var(--primary-color);
    font-weight: 600;
    padding: 0 20px;
    margin-bottom: 10px;
}

.team-member .bio {
    padding: 0 20px 20px;
    color: var(--secondary-color);
}

.why-choose-us {
    padding: 80px 0;
    background-color: var(--gray-color);
}

/* ===== PORTFOLIO PAGE ===== */
.portfolio-filter {
    padding: 40px 0;
    background-color: white;
}

.filter-buttons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
}

.filter-btn {
    padding: 10px 20px;
    background-color: var(--gray-color);
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

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

.portfolio-grid {
    padding: 0 0 80px;
    background-color: white;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
}

.project-card {
    background-color: white;
    border-radius: var(--border-radius);
    overflow: hidden;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.project-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.project-image {
    height: 250px;
    position: relative;
    overflow: hidden;
}

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

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

.project-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(15, 23, 42, 0.8);
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: var(--transition);
}

.project-card:hover .project-overlay {
    opacity: 1;
}

.project-category {
    color: white;
    background-color: var(--primary-color);
    padding: 5px 15px;
    border-radius: 20px;
    font-size: 0.9rem;
    margin-bottom: 15px;
}

.project-link {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: white;
    border-radius: 50%;
    color: var(--primary-color);
    font-size: 1.2rem;
    transition: var(--transition);
}

.project-link:hover {
    background-color: var(--primary-color);
    color: white;
}

.project-info {
    padding: 20px;
}

.project-info h3 {
    font-size: 1.3rem;
    margin-bottom: 10px;
    color: var(--dark-color);
}

.project-info p {
    color: var(--secondary-color);
    margin-bottom: 15px;
}

.project-tech {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.project-tech span {
    background-color: var(--gray-color);
    padding: 5px 10px;
    border-radius: 5px;
    font-size: 0.8rem;
    font-weight: 500;
}

.testimonials {
    padding: 80px 0;
    background-color: var(--gray-color);
}

.testimonials-slider {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.testimonial {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    transition: var(--transition);
}

.testimonial:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.testimonial-content {
    position: relative;
    padding: 20px 0;
}

.testimonial-content::before {
    content: '"';
    font-size: 5rem;
    color: var(--primary-color);
    opacity: 0.2;
    position: absolute;
    top: -20px;
    left: -10px;
    font-family: Georgia, serif;
}

.testimonial-content p {
    font-style: italic;
    color: var(--secondary-color);
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-top: 20px;
}

.author-image {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    overflow: hidden;
}

.author-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.author-info h4 {
    font-size: 1.1rem;
    color: var(--dark-color);
}

.author-info p {
    color: var(--secondary-color);
    font-size: 0.9rem;
}

/* ===== CONTACT PAGE ===== */
.contact-info-section {
    padding: 80px 0;
    background-color: white;
}

.contact-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 30px;
}

.contact-info-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 30px;
    box-shadow: var(--box-shadow);
    text-align: center;
    transition: var(--transition);
}

.contact-info-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.contact-info-card .icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 20px;
}

.contact-info-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.contact-info-card p {
    color: var(--secondary-color);
    margin-bottom: 5px;
}

.contact-form-section {
    padding: 80px 0;
    background-color: var(--gray-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
}

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

.contact-form h2 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: var(--dark-color);
}

.contact-form p {
    color: var(--secondary-color);
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--dark-color);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid var(--gray-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.2);
}

.contact-map {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 40px;
    box-shadow: var(--box-shadow);
}

.contact-map h2 {
    font-size: 1.8rem;
    margin-bottom: 20px;
    color: var(--dark-color);
}

.map-container {
    height: 400px;
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-section {
    padding: 80px 0;
    background-color: white;
}

.faq-container {
    max-width: 800px;
    margin: 40px auto 0;
}

.faq-item {
    margin-bottom: 20px;
    border: 1px solid var(--gray-color);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.faq-question {
    padding: 20px;
    background-color: white;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    transition: var(--transition);
}

.faq-question:hover {
    background-color: var(--gray-color);
}

.faq-question h3 {
    font-size: 1.1rem;
    color: var(--dark-color);
    font-weight: 600;
}

.faq-toggle {
    color: var(--primary-color);
    font-size: 1.2rem;
}

.faq-answer {
    padding: 0 20px;
    max-height: 0;
    overflow: hidden;
    transition: var(--transition);
}

.faq-item.active .faq-answer {
    padding: 20px;
    max-height: 1000px;
}

.faq-item.active .faq-toggle i {
    transform: rotate(45deg);
}

/* ===== RESPONSIVE STYLES ===== */
@media (max-width: 992px) {
    .service-content,
    .about-content,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .service-content.reverse {
        direction: ltr;
    }
    
    .cta-buttons {
        flex-direction: column;
        gap: 15px;
        max-width: 300px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .contact-info {
        flex-direction: column;
        gap: 20px;
    }
}

@media (max-width: 768px) {
    .menu-toggle {
        display: block;
    }
    
    nav ul {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: white;
        flex-direction: column;
        align-items: center;
        padding: 40px 0;
        transition: var(--transition);
        z-index: 999;
    }
    
    nav ul.active {
        left: 0;
    }
    
    nav ul li {
        margin: 15px 0;
    }
    
    .hero h2 {
        font-size: 2.2rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-links h3::after,
    .footer-services h3::after,
    .footer-contact h3::after {
        left: 50%;
        transform: translateX(-50%);
    }
    
    .footer-contact p {
        justify-content: center;
    }
    
    .social-icons {
        justify-content: center;
    }
}

@media (max-width: 576px) {
    .hero {
        padding: 80px 0;
    }
    
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .hero p {
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .page-header h1 {
        font-size: 2rem;
    }
    
    .service-text h2,
    .about-text h2 {
        font-size: 1.8rem;
    }
    
    .filter-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .filter-btn {
        width: 100%;
        max-width: 200px;
    }
}