:root {
    --bg: #0b0f13;
    --card: #151b22;
    --card_new: #2a2f33b5;
    --accent: #41bfbc;
    --text: #ffffff;
    --text-dim: #94a3b8;
}

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

body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', sans-serif;
    scroll-behavior: smooth;
    width: 100%;
    overflow-x: hidden;
}

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

/* Navbar */
.navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 5%;
    position: fixed;
    width: 100%;
    z-index: 1000;
    transition: 0.4s;
}

.navbar.scrolled {
    background: rgba(11, 15, 19, 0.95);
    backdrop-filter: blur(10px);
    padding: 15px 5%;
}

.logo {
    font-weight: 800;
    font-size: 1.4rem;
    letter-spacing: 2px;
}

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

.nav-links {
    display: flex;
    list-style: none;
    gap: 25px;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: white;
    font-size: 0.9rem;
    transition: 0.3s;
}

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

.btn-devis {
    background: var(--accent);
    color: #000 !important;
    padding: 10px 20px;
    border-radius: 50px;
    font-weight: bold;
}

/* Hamburger button */
.hamburger {
    display: none;
    flex-direction: column;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: white;
    margin: 3px 0;
    transition: 0.3s;
}

/* Mobile Adjustments */
@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(11, 15, 19, 0.95);
        flex-direction: column;
        gap: 0;
        padding: 20px 0;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: 0.3s;
    }

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

    .nav-links li {
        width: 100%;
        text-align: center;
        padding: 10px 0;
    }

    .nav-links a {
        display: block;
        padding: 10px;
    }

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

    .step-line {
        display: none;
    }

    .stat-item {
        width: 50%;
    }

    .section-title {
        font-size: 1.4rem !important;
    }

    .hero {
        height: 70vh !important;
    }

    .hero h1 {
        font-size: 2rem !important;
    }
}

/* Hero */
.hero {
    height: 100vh;
    background: url('https://images.unsplash.com/photo-1522071820081-009f0129c71c?auto=format&fit=crop&w=1600&q=80') center/cover;
    display: flex;
    align-items: center;
    position: relative;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, #0b0f13 30%, transparent);
}

.hero-content {
    position: relative;
    z-index: 10;
    padding-left: 5%;
    max-width: 700px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 25px;
}

.hero h1 span {
    color: var(--accent);
}

.hero p {
    color: var(--text-dim);
    font-size: 1.2rem;
    margin-bottom: 30px;
}

.btn-main {
    background: var(--accent);
    color: #000;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
    font-weight: bold;
    margin-right: 15px;
}

.btn-sub {
    border: 1px solid var(--text-dim);
    color: #fff;
    padding: 15px 30px;
    text-decoration: none;
    border-radius: 5px;
}

/* Stats */
.stats {
    padding: 50px 0;
    background: #11171e;
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    text-align: center;
    flex-wrap: wrap;
}

.stat-item .num {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--accent);
}

.stat-item .plus {
    color: var(--accent);
    font-size: 1.5rem;
}

/* Expertise */
.expertise-overlap {

    background: transparent;
    /* Rend le fond transparent pour que l'image du hero soit visible derrière */
    padding: 50px 0;
}

.expertise {
    padding: 100px 0;
}

.section-title {
    font-size: 2rem;
    margin-top: 40px;
    margin-bottom: 40px;
    text-align: left;
    position: relative;
    padding-left: 20px;
    border-left: 4px solid var(--accent);
}

.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.exp-card {
    background: var(--card_new);
    padding: 100px 20px;
    transition: 0.3s;
    border: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.exp-card i {
    font-size: 2.5rem;
    color: var(--accent);
    margin-bottom: 20px;
}

.exp-card:hover {
    transform: translateY(-10px);
    background: linear-gradient(0deg, rgba(255, 255, 255, 0) 0%, #41bfbc 100%);
    border-color: var(--accent);
}

/* Portfolio */
.portfolio-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.portfolio-item {
    position: relative;
    border-radius: 15px;
    overflow: hidden;
    height: 300px;
}

.portfolio-item img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: 0.5s;
}

.portfolio-info {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    padding: 30px;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.9));
    transform: translateY(20px);
    opacity: 0;
    transition: 0.4s;
}

.portfolio-item:hover .portfolio-info {
    transform: translateY(0);
    opacity: 1;
}

.portfolio-item:hover img {
    transform: scale(1.1);
}

/* FAQ & Form */
.contact-area {
    padding: 100px 0;
    background: #0e1217;
}

.faq-item {
    background: var(--card);
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 10px;
    cursor: pointer;
}

.faq-answer {
    display: none;
    padding-top: 15px;
    color: var(--text-dim);
}

.form-side input,
.form-side textarea {
    width: 100%;
    padding: 15px;
    background: #1c252e;
    border: none;
    border-radius: 5px;
    color: white;
    margin-bottom: 15px;
}

.btn-send {
    width: 100%;
    padding: 15px;
    background: var(--accent);
    border: none;
    font-weight: bold;
    cursor: pointer;
    border-radius: 5px;
}

footer {
    padding: 50px 0;
    border-top: 1px solid #1c252e;
    text-align: center;
    color: var(--text-dim);
}



.stack {
    padding: 50px 0;
    background: #0f1419;
}

.tech-flex {
    display: flex;
    justify-content: space-around;
    font-size: 3rem;
    opacity: 0.4;
}



/* Section Qui Sommes-Nous */
.about-section {
    padding: 50px 0;
    background: var(--bg-dark);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    width: 100%;
    border-radius: 15px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5);
}

.experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background: var(--accent);
    color: #000;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 229, 255, 0.3);
}

.badge-num {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    line-height: 1;
}

.badge-text {
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
}

.about-content h2 {
    margin-bottom: 25px;
}

.lead-text {
    font-size: 1.2rem;
    color: var(--accent);
    margin-bottom: 20px;
    font-weight: 600;
}

.about-content p {
    color: var(--text-gray);
    margin-bottom: 20px;
    line-height: 1.8;
}

.about-features {
    list-style: none;
    margin-bottom: 35px;
}

.about-features li {
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
    color: var(--text-white);
}

.about-features i {
    color: var(--accent);
    font-size: 1.2rem;
}

/* Responsive */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image {
        order: 2;
        margin-top: 50px;
    }

    .experience-badge {
        right: 50%;
        transform: translateX(50%);
    }

    .about-features li {
        justify-content: center;
    }
}




/* Clients */
.clients {
    padding: 80px 0;
    text-align: left;
}

.trust-text {
    color: var(--text-gray);
    margin-bottom: 30px;
    text-transform: uppercase;
    font-size: 0.8rem;
    letter-spacing: 2px;
}


.client-logos {
    display: flex;
    justify-content: space-between;
    opacity: 0.5;
}




/* --- Process Section --- */
.process-section {
    padding: 50px 0;
    background: #0f1419;
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 30px;
    margin-top: 50px;
}

.step-header {
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}

.step-num {
    width: 50px;
    height: 50px;
    border: 2px solid var(--cyan);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    color: var(--cyan);
    background: rgba(0, 215, 223, 0.1);
}

.step-line {
    flex-grow: 1;
    height: 2px;
    background: rgba(0, 215, 223, 0.2);
    margin-left: 15px;
}

.step h4 {
    margin-bottom: 10px;
    color: var(--text-white);
}

.step p {
    font-size: 0.9rem;
    color: var(--text-gray);
    line-height: 1.6;
}

/* --- Tech Stack --- */
.tech-stack {
    padding: 60px 0;
    background: #131920;
    border-y: 1px solid rgba(255, 255, 255, 0.05);
}

.tech-icons {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 40px;
    margin-top: 30px;
    opacity: 0.6;
}

.tech-item {
    text-align: center;
    transition: 0.3s;
}

.tech-item i {
    font-size: 3rem;
    display: block;
    margin-bottom: 10px;
}

.tech-item:hover {
    opacity: 1;
    color: var(--cyan);
    transform: scale(1.1);
}

.tech-item span {
    font-size: 0.8rem;
    font-weight: 600;
}

/* --- Testimonials --- */
.testimonials {
    padding: 100px 0;
}

.testimonial-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.testi-card {
    background: var(--card-bg);
    padding: 40px;
    border-radius: 15px;
    position: relative;
}

.quote-icon {
    color: var(--cyan);
    font-size: 2rem;
    margin-bottom: 20px;
    opacity: 0.3;
}

.testi-author {
    margin-top: 25px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 15px;
}

.testi-author strong {
    display: block;
    color: var(--cyan);
}

.testi-author span {
    font-size: 0.8rem;
    color: var(--text-gray);
}

/* --- Blog Preview --- */
.blog-preview {
    padding: 100px 0;
    background: #0f1419;
}

.flex-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 50px;
}

.view-all {
    color: var(--cyan);
    text-decoration: none;
    font-weight: 600;
}

.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
}

.blog-card {
    background: var(--card-bg);
    border-radius: 12px;
    overflow: hidden;
    transition: 0.3s;
}

.blog-img {
    height: 200px;
    background-size: cover;
    background-position: center;
}

.blog-body {
    padding: 25px;
}

.category {
    color: var(--cyan);
    font-size: 0.75rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.blog-card h4 {
    margin: 10px 0;
    font-size: 1.2rem;
}

.blog-card p {
    color: var(--text-gray);
    font-size: 0.9rem;
}

.blog-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
}

/* Mobile Adjustments */
@media (max-width: 768px) {

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

    .step-line {
        display: none;
    }

    .stat-item {
        width: 50%;
    }

    .section-title {
        font-size: 1.4rem !important;
    }

    .hero {
        height: 70vh !important;
    }


    .hero h1 {
        font-size: 2rem !important;
    }
}

@media (min-width: 1024px) {
        .expertise-overlap {
        position: absolute;
        top: 70vh;
        /* Ajustez cette valeur pour positionner les cartes sur l'image du hero */
        left: 0;
        right: 0;
        z-index: 15;
    }
     .about-section {
        margin-top: 200px;
    }
}
@media (min-width: 768px) {

    .contact-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 80px;
    }



   

    .hero-btns {
        margin-bottom: 150px;
    }
}