/* ==========================================================
   Variables Globales & Thème (Vert, Argent, Noir)
========================================================== */
:root {
    --color-bg: #0a0a0a;
    /* Noir profond/élégant */
    --color-bg-darker: #050505;
    /* Noir pur */
    --color-surface: #121212;
    /* Gris très foncé pour les éléments/cartes */
    --color-primary: #046b4c;
    /* Vert Émeraude Profond */
    --color-primary-hover: #058f65;
    /* Vert Émeraude plus clair au survol */
    --color-silver: #c0c5ce;
    /* Argent / Gris Métallique */
    --color-text: #e0e0e0;
    /* Texte clair */
    --color-white: #ffffff;

    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Poppins', sans-serif;

    --transition-smooth: all 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    background-color: var(--color-bg);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    color: var(--color-white);
    font-weight: 700;
}

span {
    color: var(--color-primary);
}

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

ul {
    list-style: none;
}

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

.section {
    padding: 6rem 0;
}

.section-title {
    text-align: center;
    margin-bottom: 4rem;
}

.section-title h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.section-title p {
    color: var(--color-silver);
    font-size: 1.1rem;
    max-width: 600px;
    margin: 0 auto;
}

.bg-darker {
    background-color: var(--color-bg-darker);
}

.mt-4 {
    margin-top: 2rem;
}

/* ==========================================================
   Boutons
========================================================== */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-heading);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    border-radius: 4px;
    border: none;
    cursor: pointer;
    transition: var(--transition-smooth);
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
    box-shadow: 0 4px 15px rgba(4, 107, 76, 0.3);
}

.btn-primary:hover {
    background-color: #035a40;
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(4, 107, 76, 0.3);
}

.btn-outline {
    border: 1px solid var(--color-silver);
    color: var(--color-silver);
    background: transparent;
}

.btn-outline:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    background: rgba(4, 107, 76, 0.05);
    box-shadow: 0 5px 15px rgba(4, 107, 76, 0.1);
}

.w-100 {
    width: 100%;
}

/* ==========================================================
   Navigation (Glassmorphism effect) & Logo
========================================================== */
nav {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    transition: var(--transition-smooth);
    padding: 1.5rem 0;
}

nav.scrolled {
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 1rem 0;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo-link {
    display: flex;
    align-items: center;
}

.logo-img {
    height: 80px;
    /* Ajustez la taille selon votre préférence */
    width: auto;
    transition: var(--transition-smooth);
    filter: drop-shadow(0 4px 6px rgba(0, 0, 0, 0.3));
}

.logo-link:hover .logo-img {
    transform: scale(1.05);
    filter: drop-shadow(0 6px 10px rgba(4, 107, 76, 0.5));
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-links li a {
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--color-silver);
    display: inline-block;
    /* Nécessaire pour que transform fonctionne */
    transition: var(--transition-smooth);
    /* Animation fluide */
}

.nav-links li a:hover {
    color: var(--color-primary);
    /* Devient vert */
    transform: scale(1.1);
    /* S'agrandit légèrement de 10% */
}

.nav-links .btn-nav {
    display: inline-block;
    /* Requis pour que le transform: scale fonctionne sur un lien 'a' */
    border: 1px solid var(--color-primary);
    padding: 0.6rem 1.8rem;
    border-radius: 30px;
    color: var(--color-white);
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.nav-links .btn-nav:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    border-color: var(--color-primary);
    transform: scale(1.05);
    /* L'agrandissement va maintenant fonctionner ! */
    box-shadow: 0 4px 15px rgba(4, 107, 76, 0.4);
}

.mobile-menu-icon {
    display: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-white);
}

/* ==========================================================
   Hero Section
========================================================== */
.hero {
    height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    background: url('https://images.unsplash.com/photo-1497366216548-37526070297c?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80') center/cover no-repeat;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(10, 10, 10, 0.95) 0%, rgba(10, 10, 10, 0.7) 100%);
    z-index: 1;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--color-silver);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

/* ==========================================================
   Services Section
========================================================== */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 2rem;
}

.service-card {
    background-color: var(--color-surface);
    padding: 2.5rem 2rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.03);
    transition: var(--transition-smooth);
}

.service-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-primary);
    box-shadow: 0 15px 40px rgba(4, 107, 76, 0.25);
    background-color: rgba(255, 255, 255, 0.02);
}

.service-card:hover .icon {
    transform: scale(1.1) rotate(5deg);
    transition: transform 0.3s ease;
}

.service-card .icon {
    font-size: 2.5rem;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.25rem;
    margin-bottom: 1rem;
}

.service-card p {
    color: var(--color-silver);
    font-size: 0.95rem;
}

/* ==========================================================
   A Propos Section
========================================================== */
.about-container {
    display: flex;
    align-items: center;
    gap: 4rem;
}

.about-image {
    flex: 1;
}

.image-placeholder {
    background-color: #046b4c;
    /* Même vert que le logo */
    height: 400px;
    border-radius: 8px;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}

.about-content {
    flex: 1;
}

.about-content h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.about-content p {
    color: var(--color-silver);
    margin-bottom: 1.5rem;
}

.stats {
    display: flex;
    gap: 2rem;
    margin-top: 2.5rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 2rem;
}

.stat-item h4 {
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 0.2rem;
}

.stat-item p {
    font-family: var(--font-heading);
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin: 0;
}

/* ==========================================================
   Témoignages Section
========================================================== */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 2rem;
}

.testimonial-card {
    background-color: var(--color-surface);
    padding: 3rem;
    border-radius: 8px;
    position: relative;
    border-left: 3px solid var(--color-primary);
}

.quote-icon {
    position: absolute;
    top: 2rem;
    right: 2rem;
    font-size: 3rem;
    color: rgba(255, 255, 255, 0.03);
}

.quote {
    font-size: 1.1rem;
    font-style: italic;
    color: var(--color-text);
    margin-bottom: 2rem;
    position: relative;
    z-index: 2;
}

.client-info strong {
    display: block;
    font-family: var(--font-heading);
    color: var(--color-white);
}

.client-info span {
    font-size: 0.85rem;
    color: var(--color-silver);
}

/* ==========================================================
   Contact Section
========================================================== */
.contact-container {
    display: flex;
    gap: 4rem;
}

.contact-form-wrapper {
    flex: 1.5;
    background-color: var(--color-surface);
    padding: 3rem;
    border-radius: 8px;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.contact-form-wrapper h2 {
    margin-bottom: 0.5rem;
}

.contact-form-wrapper>p {
    color: var(--color-silver);
    margin-bottom: 2.5rem;
}

.input-group {
    margin-bottom: 1.5rem;
}

.input-group input,
.input-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--color-bg);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 4px;
    color: var(--color-white);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: var(--transition-smooth);
}

.input-group input:focus,
.input-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    background-color: var(--color-bg-darker);
}

.contact-info {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.contact-info h3 {
    font-size: 1.5rem;
    margin-bottom: 2rem;
}

.info-item {
    display: flex;
    align-items: flex-start;
    margin-bottom: 1.5rem;
}

.info-item i {
    font-size: 1.25rem;
    color: var(--color-primary);
    width: 40px;
    margin-top: 0.3rem;
}

.info-item strong {
    font-family: var(--font-heading);
    display: block;
    margin-bottom: 0.2rem;
}

.info-item p {
    color: var(--color-silver);
    font-size: 0.95rem;
}

.social-links a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 45px;
    height: 45px;
    background-color: var(--color-surface);
    border-radius: 50%;
    margin-right: 1rem;
    font-size: 1.2rem;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

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

/* ==========================================================
   Footer
========================================================== */
footer {
    background-color: #000;
    padding: 2rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-silver);
    font-size: 0.9rem;
}

.legal-links a {
    color: var(--color-silver);
    margin-left: 1.5rem;
    font-size: 0.85rem;
}

.legal-links a:hover {
    color: var(--color-primary);
}

/* ==========================================================
   Animations CSS (Apparition au Scroll)
========================================================== */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in.appear {
    opacity: 1;
    transform: translateY(0);
}

/* Délai pour les éléments consécutifs */
.services-grid .service-card:nth-child(2) {
    transition-delay: 0.1s;
}

.services-grid .service-card:nth-child(3) {
    transition-delay: 0.2s;
}

.services-grid .service-card:nth-child(4) {
    transition-delay: 0.3s;
}

/* ==========================================================
   Responsive Design / Media Queries
========================================================== */
@media (max-width: 992px) {

    .about-container,
    .contact-container {
        flex-direction: column;
        gap: 3rem;
    }

    .about-image {
        width: 100%;
        /* Empêche l'image de se compresser en une colonne */
    }

    .hero h1 {
        font-size: 3rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--color-bg);
        flex-direction: column;
        padding: 2rem 0;
        gap: 1.5rem;
        clip-path: polygon(0 0, 100% 0, 100% 0, 0 0);
        /* Caché par défaut */
        transition: var(--transition-smooth);
    }

    .nav-links.nav-active {
        clip-path: polygon(0 0, 100% 0, 100% 100%, 0 100%);
        /* Affiché */
        border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    }

    .mobile-menu-icon {
        display: block;
    }

    .hero h1 {
        font-size: 2.5rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .legal-links a {
        margin: 0 0.5rem;
    }
}