/* ========== VARIABLES & BASE STYLES ========== */
:root {
    /* Couleurs */
    --bleu-nuit: #1A2530;
    --bleu-nuit-light: #253240;
    --orange: #E06C00;
    --orange-dark: #B85A00;
    --blanc: #FFFFFF;
    --gris-clair: #F5F7FA;
    --gris: #E2E8F0;
    --gris-fonce: #4A5568;
    --noir: #1A202C;
    --gold: #D4AF37;

    /* Spacing */
    --mb-gap: 15px;
    --tb-gap: 25px;
    --dt-gap: 30px;

    /* Effets */
    --transition: all 0.4s cubic-bezier(0.645, 0.045, 0.355, 1);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 15px 40px rgba(0, 0, 0, 0.15);
    --border-radius: 12px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Raleway', sans-serif;
    color: var(--noir);
    line-height: 1.7;
    overflow-x: hidden;
    background-color: var(--blanc);
    position: relative;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: 'Playfair Display', serif;
    font-weight: 700;
    line-height: 1.2;
    color: var(--bleu-nuit);
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--dt-gap);
}

/* ========== PRELOADER ========== */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: var(--bleu-nuit);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 9999;
    transition: opacity 0.5s ease, visibility 0.5s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

.loader {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.2);
    border-top-color: var(--orange);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* ========== HEADER ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    padding: 20px 0;
    z-index: 1000;
    background-color: rgba(26, 37, 48, 0.97);
    backdrop-filter: blur(12px);
    transition: var(--transition);
}

.header.scrolled {
    padding: 15px 0;
    box-shadow: 0 5px 20px rgba(0, 0, 0, 0.15);
}

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

/* Logo */
.logo {
    display: flex;
    align-items: center;
    gap: 12px;
    height: 40px;
    font-weight: 700;
    color: var(--blanc);
    transition: var(--transition);
    z-index: 1002;
}

.logo img {
    height: 100%;
    width: 40px;
    border-radius: 20%;
    object-fit: contain;
    transition: var(--transition);
}

.logo:hover img {
    transform: scale(1.05);
}

/* ========== NAVIGATION DESKTOP ========== */
.nav-desktop ul {
    display: flex;
    list-style: none;
}

.nav-desktop .desktop-menu {
    gap: var(--dt-gap);
}

.nav-desktop ul li {
    height: fit-content;
}

.nav-desktop ul li a {
    color: var(--blanc);
    font-weight: 500;
    font-size: 0.95rem;
    letter-spacing: 0.5px;
    position: relative;
    padding: 8px 0;
    transition: var(--transition);
}

.nav-desktop ul li a:hover {
    color: var(--orange);
}

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

.nav-desktop ul li a:hover::after {
    width: 100%;
}

/* Dropdown Desktop - CORRIGÉ */
.dropdown {
    position: relative;
}

.dropdown-toggle {
    background: none;
    border: none;
    color: var(--blanc);
    font-family: inherit;
    font-size: 0.95rem;
    font-weight: 500;
    letter-spacing: 0.5px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 6px;
    transition: var(--transition);
    padding: 8px 0;
}

.dropdown-toggle:hover {
    color: var(--orange);
}

.dropdown-toggle[aria-expanded="true"] .dropdown-icon {
    transform: rotate(180deg);
}

.dropdown-icon {
    transition: transform 0.3s ease;
}

.dropdown-menu {
    position: absolute;
    display: flex;
    flex-direction: column;
    top: 100%;
    left: 0;
    width: 280px;
    background-color: var(--bleu-nuit-light);
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(15px);
    transition: opacity 0.3s ease, visibility 0.3s ease, transform 0.3s ease;
    z-index: 1000;
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-toggle[aria-expanded="true"]+.dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li {
    padding: 10px 20px;
}

.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--blanc);
    transition: var(--transition);
    padding: 8px 4px;
}

.dropdown-menu li:hover {
    color: var(--orange);
    background-color: rgba(255, 255, 255, 0.08);
}

.dropdown-menu li i {
    color: var(--orange);
    width: 20px;
    text-align: center;
}

/* Header CTA */
.header-cta {
    display: flex;
    align-items: center;
    gap: 20px;
}

/* ========== BUTTONS ========== */
.cta-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 4px 20px;
    background-color: var(--orange);
    color: var(--blanc);
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    border: 2px solid var(--orange);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.cta-button:hover {
    background-color: transparent;
    color: var(--orange);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: 0.5s;
    z-index: -1;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 28px;
    background-color: transparent;
    color: var(--blanc);
    font-weight: 600;
    border-radius: 50px;
    transition: var(--transition);
    border: 2px solid var(--blanc);
}

.cta-button-outline:hover {
    background-color: var(--blanc);
    color: var(--bleu-nuit);
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

/* ========== HERO SECTION ========== */
.hero {
    position: relative;
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    color: var(--blanc);
    padding-top: 80px;
    overflow: hidden;
}

.hero-video {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    z-index: -1;
}

.hero-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(26, 37, 48, 0.9), rgba(26, 37, 48, 0.7));
}

.hero-content {
    position: relative;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    max-width: 700px;
}

.hero-title {
    font-size: 4rem;
    margin-bottom: 25px;
    line-height: 1.1;
    color: var(--blanc);
}

.hero-title .line {
    display: block;
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease forwards;
}

.hero-title .line:nth-child(2) {
    animation-delay: 0.2s;
}

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

.hero-subtitle {
    font-size: 1.2rem;
    margin-bottom: 40px;
    font-weight: 300;
    max-width: 600px;
    opacity: 0.9;
}

.hero-cta {
    display: flex;
    gap: 20px;
    flex-wrap: wrap;
    justify-content: flex-start;
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    color: var(--blanc);
    font-size: 0.8rem;
    letter-spacing: 2px;
}

.scroll-indicator .line {
    width: 1px;
    height: 60px;
    background-color: var(--blanc);
    margin-top: 10px;
    position: relative;
}

.scroll-indicator .line::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, transparent, var(--blanc), transparent);
    animation: scrollLine 2s infinite;
}

@keyframes scrollLine {
    0% {
        transform: translateY(-100%);
        opacity: 0;
    }

    50% {
        opacity: 1;
    }

    100% {
        transform: translateY(100%);
        opacity: 0;
    }
}

/* ========== SECTIONS COMMUNES ========== */
.section {
    padding: 100px 0;
    position: relative;
}

.section-title {
    text-align: center;
    width: 100%;
    font-size: 2.5rem;
    color: var(--bleu-nuit);
    margin-bottom: 30px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: var(--orange);
}

.section-subtitle {
    text-align: center;
    font-size: 1.1rem;
    color: var(--gris-fonce);
    max-width: 800px;
    margin: 0 auto 60px;
    line-height: 1.8;
}

/* Spliter */
.spliter {
    position: relative;
    margin: 20px auto;
    width: 80%;
    height: 1px;
    background-color: rgb(148, 148, 148);
}

/* ========== EXPERTISES SECTION ========== */
.expertise-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--dt-gap);
    margin-bottom: 60px;
}

.expertise-card {
    background: var(--blanc);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 1px solid rgba(42, 55, 68, 0.1);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease, var(--transition);
}

.expertise-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.expertise-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--orange);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.expertise-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

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

.expertise-card i {
    font-size: 2.5rem;
    color: var(--orange);
    margin-bottom: 25px;
    transition: var(--transition);
}

.expertise-card:hover i {
    color: var(--orange-dark);
    transform: scale(1.1);
}

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

.expertise-card p {
    color: var(--gris-fonce);
    line-height: 1.6;
    margin-bottom: 20px;
}

/* ========== MÉTHODOLOGIE SECTION ========== */
.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--dt-gap);
    margin-bottom: 60px;
}

.process-step {
    text-align: center;
    padding: 30px 20px;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.process-step.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.step-number {
    background-color: var(--orange);
    color: var(--blanc);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-weight: bold;
    font-size: 1.2rem;
    transition: var(--transition);
}

.process-step:hover .step-number {
    background-color: var(--orange-dark);
    transform: scale(1.1);
}

.process-step h3 {
    color: var(--bleu-nuit);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.process-step p {
    color: var(--gris-fonce);
    line-height: 1.6;
}

/* ========== SOLUTIONS SECTION ========== */
.solutions-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--dt-gap);
    margin-bottom: 60px;
}

.solution-card {
    background: var(--blanc);
    border-radius: var(--border-radius);
    padding: 40px 30px;
    text-align: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
    border: 1px solid rgba(42, 55, 68, 0.1);
    position: relative;
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s ease, transform 0.6s ease, var(--transition);
}

.solution-card.animate-in {
    opacity: 1;
    transform: translateY(0);
}

.solution-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--orange);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 0.5s ease;
}

.solution-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

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

.solution-icon {
    font-size: 2.5rem;
    color: var(--orange);
    margin-bottom: 25px;
    transition: var(--transition);
}

.solution-card:hover .solution-icon {
    color: var(--orange-dark);
    transform: scale(1.1);
}

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

.solution-card p {
    color: var(--gris-fonce);
    line-height: 1.6;
}

/* ========== CONTACT SECTION ========== */
.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--dt-gap);
    margin-bottom: 60px;
}

.contact-method {
    text-align: center;
    padding: 30px 20px;
    background: var(--blanc);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.contact-method:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-hover);
}

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

.contact-method:hover .contact-icon {
    color: var(--orange-dark);
    transform: scale(1.1);
}

.contact-method h3 {
    color: var(--bleu-nuit);
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.contact-link {
    color: var(--orange);
    font-weight: 600;
    transition: var(--transition);
}

.contact-link:hover {
    color: var(--orange-dark);
    text-decoration: underline;
}

.contact-cta {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* ========== FOOTER ========== */
.footer {
    background-color: var(--bleu-nuit-light);
    color: var(--blanc);
    padding: 80px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 60px;
}

.footer-brand {
    text-align: center;
}

.footer-logo {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
    justify-content: center;
}

.footer-logo img {
    height: 50px;
    width: 50px;
    border-radius: 20%;
    object-fit: contain;
}

.footer-description {
    opacity: 0.8;
    line-height: 1.8;
    text-align: center;
    max-width: 300px;
    margin: 0 auto;
}

.footer-title {
    font-size: 1.2rem;
    margin-bottom: 25px;
    position: relative;
    padding-bottom: 10px;
    text-align: center;
    color: var(--blanc);
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 2px;
    background-color: var(--orange);
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
    text-align: center;
}

.footer-links ul li a {
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links ul li a:hover {
    opacity: 1;
    color: var(--orange);
    padding-left: 5px;
}

.footer-contact address {
    text-align: center;
}

.footer-contact address p {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    margin-bottom: 15px;
    opacity: 0.8;
    font-style: normal;
}

.footer-contact address p i {
    color: var(--orange);
    font-size: 0.9rem;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.copyright {
    opacity: 0.7;
    font-size: 0.9rem;
}

.legal-links {
    display: flex;
    gap: 25px;
}

.legal-links a {
    opacity: 0.7;
    font-size: 0.9rem;
    transition: var(--transition);
}

.legal-links a:hover {
    opacity: 1;
    color: var(--orange);
}

/* ========== NAVIGATION MOBILE ========== */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--blanc);
    font-size: 1.5rem;
    cursor: pointer;
    padding: 10px;
    z-index: 1002;
    transition: var(--transition);
    position: relative;
}

.menu-toggle:hover {
    color: var(--orange);
}

.mobile-menu-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 999;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.mobile-menu-overlay.active {
    display: block;
    opacity: 1;
}

.nav-mobile {
    position: fixed;
    top: 0;
    right: -100%;
    width: 320px;
    height: 100vh;
    background-color: var(--bleu-nuit);
    padding: 80px 20px 40px;
    z-index: 1000;
    transition: right 0.4s cubic-bezier(0.645, 0.045, 0.355, 1);
    overflow-y: auto;
    box-shadow: -10px 0 30px rgba(0, 0, 0, 0.3);
}

.nav-mobile.active {
    right: 0;
}

.nav-mobile ul {
    list-style: none;
    width: 100%;
    padding: 0;
    margin: 0;
}

.nav-mobile ul li {
    margin-bottom: 10px;
    width: 100%;
}

.nav-mobile ul li a,
.nav-mobile .dropdown-toggle {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 15px 20px;
    color: var(--blanc);
    font-weight: 500;
    background: rgba(255, 255, 255, 0.05);
    border-left: 3px solid var(--orange);
    border-radius: 8px;
    transition: var(--transition);
    font-family: inherit;
    font-size: 1rem;
    text-align: left;
    cursor: pointer;
}

.nav-mobile ul li a:hover,
.nav-mobile .dropdown-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
    color: var(--orange);
}

.nav-mobile .dropdown {
    position: relative;
    width: 100%;
}

.nav-mobile .dropdown-menu {
    display: none;
    background: rgba(255, 255, 255, 0.05);
    border-radius: 8px;
    padding: 10px 0;
    margin: 10px 0 15px 0;
    width: 100%;
    border-left: 3px solid var(--orange);
}

.nav-mobile .dropdown.active .dropdown-menu {
    display: block;
    animation: slideDown 0.3s ease forwards;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
        max-height: 0;
    }

    to {
        opacity: 1;
        transform: translateY(0);
        max-height: 500px;
    }
}

.nav-mobile .dropdown-menu li {
    padding: 0;
    margin: 0;
    width: 100%;
}

.nav-mobile .dropdown-menu li a {
    background: transparent;
    padding: 12px 30px;
    border-radius: 0;
    border-left: 3px solid transparent;
    justify-content: flex-start;
    gap: 12px;
}

.nav-mobile .dropdown-menu li a:hover {
    background: rgba(255, 255, 255, 0.05);
    border-left: 3px solid var(--orange);
}

.nav-mobile .dropdown-toggle .dropdown-icon {
    transition: transform 0.3s ease;
}

.nav-mobile .dropdown.active .dropdown-toggle .dropdown-icon {
    transform: rotate(180deg);
}

@media (min-width: 1280px) {
    .dropdown-menu {
        position: absolute !important;
    }
}

/* ========== RESPONSIVE DESIGN ========== */

/* Tablette (768px - 992px) */
@media (max-width: 992px) {
    .container {
        padding: 0 20px;
    }

    /* Navigation - Cache le desktop, montre le mobile */
    .nav-desktop,
    .header-cta {
        display: none;
    }

    .menu-toggle {
        display: block;
    }

    /* Hero */
    .hero {
        padding-top: 100px;
        text-align: center;
    }

    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-left: auto;
        margin-right: auto;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .hero-cta .cta-button,
    .hero-cta .cta-button-outline {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }

    /* Sections */
    .section {
        padding: 80px 0;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .expertise-grid,
    .solutions-grid,
    .process-steps {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
        gap: 20px;
    }

    .expertise-card,
    .solution-card {
        padding: 30px 20px;
    }

    /* Contact */
    .contact-methods {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin-left: auto;
        margin-right: auto;
    }

    .contact-cta {
        flex-direction: column;
        align-items: center;
        gap: 15px;
    }

    .contact-cta .cta-button {
        width: 100%;
        max-width: 300px;
    }

    /* Footer */
    .footer-content {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        text-align: center;
        gap: 15px;
    }

    /* Navigation mobile ajustements */
    .nav-mobile {
        width: 320px;
    }
}

/* Desktop (au-dessus de 992px) - Menu desktop visible */
@media (min-width: 993px) {
    .menu-toggle {
        display: none;
    }

    .nav-mobile {
        display: none !important;
    }

    .mobile-menu-overlay {
        display: none !important;
    }

    .dropdown-menu {
        position: absolute;
    }

    .nav-desktop,
    .header-cta {
        display: flex;
    }
}

/* Mobile (max-width: 768px) */
@media (max-width: 992px) {

    /* Header */
    .header .container {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
        padding: 15px 20px;
    }

    /* Navigation mobile ajustements */
    .nav-mobile {
        width: 280px;
        padding: 80px 15px 40px;
    }

    .dropdown-menu {
        position: relative;
    }

    .nav-mobile ul li a,
    .nav-mobile .dropdown-toggle {
        padding: 14px 16px;
        font-size: 0.95rem;
    }

    .nav-mobile .dropdown-menu li a {
        padding: 10px 24px;
    }

    /* Hero */
    .hero {
        min-height: 100vh;
        padding-top: 120px;
    }

    .hero-title {
        font-size: 2.5rem;
        line-height: 1.2;
    }

    /* Sections */
    .section {
        padding: 60px 0;
    }

    .section-title {
        font-size: 2rem;
        margin-bottom: 20px;
    }

    .section-subtitle {
        font-size: 1rem;
        margin-bottom: 40px;
    }

    /* Grids */
    .expertise-grid,
    .solutions-grid,
    .process-steps {
        grid-template-columns: 1fr;
        gap: 15px;
    }

    .process-steps {
        margin-bottom: 40px;
    }

    .process-step {
        padding: 20px 15px;
    }

    /* Footer */
    .footer {
        padding: 60px 0 20px;
    }
}

/* Très petits écrans (max-width: 480px) */
@media (max-width: 480px) {

    /* Navigation mobile ajustements */
    .nav-mobile {
        width: 100%;
        right: -100%;
    }

    .nav-mobile.active {
        right: 0;
        width: 100%;
    }

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

    .hero-subtitle {
        font-size: 0.95rem;
    }

    /* Sections */
    .section-title {
        font-size: 1.8rem;
    }

    .section-subtitle {
        font-size: 0.9rem;
    }

    /* Cards */
    .expertise-card,
    .solution-card {
        padding: 25px 15px;
    }

    .expertise-card h3,
    .solution-card h3 {
        font-size: 1.3rem;
    }

    /* Contact */
    .contact-method {
        padding: 25px 15px;
    }

    .contact-method h3 {
        font-size: 1.2rem;
    }

    /* Footer */
    .footer-title {
        font-size: 1.1rem;
    }

    .legal-links {
        flex-direction: column;
        gap: 10px;
        align-items: center;
    }

    .dropdown-menu {
        position: relative;
    }
}

/* ========== ANIMATIONS ========== */
@keyframes float {
    0% {
        transform: translateY(0px);
    }

    50% {
        transform: translateY(-5px);
    }

    100% {
        transform: translateY(0px);
    }
}

.expertise-card:hover,
.solution-card:hover,
.contact-method:hover {
    animation: float 3s ease-in-out infinite;
}

/* Animation pour les cartes au scroll */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-in {
    animation: fadeInUp 0.6s ease forwards;
}