/* ===================================
   Variables & Reset
   =================================== */
:root {
    /* Couleurs - Palette apaisante vert sauge et bleu profond */
    --color-primary: #5B7B6F;
    --color-primary-dark: #4A6A5E;
    --color-primary-light: #7A9A8E;
    --color-secondary: #2C3E50;
    --color-accent: #A8C5B8;
    --color-background: #FAFBFA;
    --color-background-alt: #F0F4F2;
    --color-text: #2D3436;
    --color-text-light: #636E72;
    --color-white: #FFFFFF;
    --color-border: #E0E6E3;

    /* Typographie */
    --font-heading: 'Lora', Georgia, serif;
    --font-body: 'Open Sans', -apple-system, BlinkMacSystemFont, sans-serif;

    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-xxl: 5rem;

    /* Autres */
    --border-radius: 8px;
    --border-radius-lg: 16px;
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --transition: all 0.3s ease;
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background-color: var(--color-background);
}

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

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

ul {
    list-style: none;
}

/* ===================================
   Utilitaires
   =================================== */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section-label {
    display: inline-block;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 600;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.section-subtitle {
    font-size: 1.1rem;
    color: var(--color-text-light);
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

/* Boutons */
.btn {
    display: inline-block;
    padding: 0.875rem 1.75rem;
    font-family: var(--font-body);
    font-size: 0.95rem;
    font-weight: 500;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-header {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 0.625rem 1.25rem;
    font-size: 0.875rem;
}

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

/* ===================================
   Header
   =================================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(10px);
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-secondary);
}

.nav-list {
    display: flex;
    gap: var(--spacing-lg);
}

.nav-list a {
    font-size: 0.95rem;
    color: var(--color-text);
    position: relative;
}

.nav-list a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--color-primary);
    transition: var(--transition);
}

.nav-list a:hover::after {
    width: 100%;
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-secondary);
    transition: var(--transition);
}

/* ===================================
   Hero Section
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    background: linear-gradient(135deg, var(--color-background) 0%, var(--color-background-alt) 50%, var(--color-accent) 100%);
    background-size: 200% 200%;
    padding: var(--spacing-xxl) var(--spacing-md);
    padding-top: calc(70px + var(--spacing-xxl));
}

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

.hero-subtitle {
    font-size: 1rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 3px;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 6vw, 3.75rem);
    font-weight: 600;
    color: var(--color-secondary);
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
}

.hero-text {
    font-size: 1.2rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xl);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* ===================================
   About Section
   =================================== */
.about {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--spacing-xxl);
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    background-color: var(--color-accent);
    border-radius: var(--border-radius-lg);
    z-index: 0;
    opacity: 0.5;
}

.about-image img {
    position: relative;
    width: 100%;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
    z-index: 1;
}

.about-text h2 {
    font-family: var(--font-heading);
    font-size: clamp(1.75rem, 4vw, 2.25rem);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.about-title {
    font-size: 1.1rem;
    color: var(--color-primary);
    font-weight: 500;
    margin-bottom: var(--spacing-lg);
}

.about-text p {
    margin-bottom: var(--spacing-sm);
    color: var(--color-text);
}

.about-text blockquote {
    margin: var(--spacing-lg) 0;
    padding: var(--spacing-md) var(--spacing-lg);
    background-color: var(--color-background-alt);
    border-left: 4px solid var(--color-primary);
    border-radius: 0 var(--border-radius) var(--border-radius) 0;
    font-family: var(--font-heading);
    font-style: italic;
    color: var(--color-secondary);
}

.about-text blockquote cite {
    display: block;
    margin-top: var(--spacing-sm);
    font-size: 0.9rem;
    font-style: normal;
    color: var(--color-text-light);
}

.credentials {
    margin-top: var(--spacing-lg);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.credentials p {
    font-size: 0.9rem;
    color: var(--color-text-light);
    margin-bottom: var(--spacing-xs);
}

/* ===================================
   Services Section
   =================================== */
.services {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-background-alt);
    text-align: center;
}

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

.service-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl) var(--spacing-lg);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.service-icon {
    width: 60px;
    height: 60px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--color-background-alt);
    border-radius: 50%;
    color: var(--color-primary);
}

.service-icon svg {
    width: 28px;
    height: 28px;
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.service-card p {
    font-size: 0.95rem;
    color: var(--color-text-light);
    line-height: 1.6;
}

/* ===================================
   Contact Section
   =================================== */
.contact {
    padding: var(--spacing-xxl) 0;
    background-color: var(--color-white);
    text-align: center;
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.contact-card {
    padding: var(--spacing-xl);
    background-color: var(--color-background-alt);
    border-radius: var(--border-radius-lg);
    transition: var(--transition);
}

.contact-card:hover {
    background-color: var(--color-accent);
}

.contact-icon {
    width: 50px;
    height: 50px;
    margin: 0 auto var(--spacing-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-primary);
}

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

.contact-card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
}

.contact-link {
    display: block;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.contact-link:hover {
    color: var(--color-primary-dark);
}

.contact-detail {
    font-size: 0.9rem;
    color: var(--color-text-light);
}

.cta-box {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-xl);
    background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
    border-radius: var(--border-radius-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.cta-box p {
    color: var(--color-white);
    font-size: 1.25rem;
    margin-bottom: var(--spacing-md);
}

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

.cta-box .btn:hover {
    background-color: var(--color-background);
    transform: translateY(-2px);
}

/* ===================================
   Footer
   =================================== */
.footer {
    background-color: var(--color-secondary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0 var(--spacing-md);
}

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

.footer-name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.footer-info p,
.footer-credentials p {
    font-size: 0.9rem;
    opacity: 0.8;
}

.footer-credentials {
    text-align: right;
}

.footer-bottom {
    padding-top: var(--spacing-md);
    text-align: center;
}

.footer-bottom p {
    font-size: 0.85rem;
    opacity: 0.6;
}

/* ===================================
   Responsive Design
   =================================== */
@media (max-width: 992px) {
    .about-content {
        grid-template-columns: 1fr;
        gap: var(--spacing-xl);
    }

    .about-image {
        max-width: 450px;
        margin: 0 auto;
    }

    .about-text {
        text-align: center;
    }

    .about-text blockquote {
        text-align: left;
    }

    .credentials {
        text-align: center;
    }
}

@media (max-width: 768px) {
    .header-content {
        position: relative;
    }

    .nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background-color: var(--color-white);
        box-shadow: var(--shadow-md);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav.active {
        opacity: 1;
        visibility: visible;
    }

    .nav-list {
        flex-direction: column;
        padding: var(--spacing-md);
        gap: var(--spacing-sm);
    }

    .nav-list a {
        display: block;
        padding: var(--spacing-sm);
    }

    .menu-toggle {
        display: flex;
    }

    .btn-header {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: calc(70px + var(--spacing-xl)) var(--spacing-md) var(--spacing-xl);
    }

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

    .hero-text {
        font-size: 1rem;
    }

    .footer-content {
        flex-direction: column;
        text-align: center;
    }

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

@media (max-width: 480px) {
    :root {
        --spacing-xl: 2rem;
        --spacing-xxl: 3rem;
    }

    .hero-title {
        font-size: 1.75rem;
    }

    .section-title {
        font-size: 1.5rem;
    }

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

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

    .cta-box {
        padding: var(--spacing-lg);
    }

    .cta-box p {
        font-size: 1.1rem;
    }
}

/* ===================================
   Animations subtiles
   =================================== */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.hero-content {
    animation: fadeIn 1s ease-out;
}

/* Réduction des animations pour les utilisateurs qui le préfèrent */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    html {
        scroll-behavior: auto;
    }
}