/* ============================================
   VARIABLES ET RESET
   ============================================ */
:root {
    /* Couleurs */
    --color-primary: #1E3A5F;
    --color-secondary: #2C7A4D;
    --color-accent: #E67E22;
    --color-gray-light: #F4F6F9;
    --color-gray: #CBD5E0;
    --color-gray-dark: #2D3748;
    --color-gray-medium: #718096;
    --color-white: #FFFFFF;
    --color-black: #000000;
    
    /* Typographie */
    --font-heading: 'Montserrat', sans-serif;
    --font-body: 'Open Sans', sans-serif;
    
    /* Espacements */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 3rem;
    --spacing-xl: 5rem;
    
    /* Bordures */
    --border-radius-sm: 8px;
    --border-radius-md: 12px;
    --border-radius-lg: 20px;
    
    /* Ombres */
    --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 16px 32px rgba(0, 0, 0, 0.1);
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    color: var(--color-gray-dark);
    line-height: 1.6;
    background-color: var(--color-white);
    overflow-x: hidden;
}

.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ============================================
   TYPOGRAPHIE
   ============================================ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.3;
    color: var(--color-primary);
}

h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-sm);
}

h3 {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

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

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

/* ============================================
   SECTIONS
   ============================================ */
section {
    padding: var(--spacing-lg) 0; /* réduit à 3rem */
    scroll-margin-top: 80px; 
}

section:nth-child(even) {
    background-color: var(--color-gray-light);
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-size: 2rem;
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.section-intro {
    font-size: 1.125rem;
    color: var(--color-gray-medium);
    max-width: 800px;
    margin: 0 auto;
}

/* ============================================
   HEADER
   ============================================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow-sm);
    z-index: 1000;
    padding: var(--spacing-sm) 0;
    transition: all var(--transition-normal);
}

.site-header.scrolled {
    padding: 0.5rem 0;
    background: rgba(255, 255, 255, 0.98);
}

.site-header__inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.site-logo__name {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--color-primary);
    display: block;
}

.site-logo__title {
    font-size: 1.25rem;
    color: var(--color-gray-medium);
    display: block;
}

.site-nav__menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.site-nav__menu a {
    color: var(--color-gray-dark);
    font-weight: 500;
}

.site-nav__menu a:hover,
.site-nav__menu a.active {
    color: var(--color-secondary);
}

.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.mobile-menu-toggle span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--color-primary);
    margin: 4px 0;
    transition: var(--transition-fast);
}

/* ============================================
   BOUTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 18px;
    font-weight: 600;
    text-decoration: none;
    transition: all var(--transition-fast);
    cursor: pointer;
    border: none;
    text-align: center;
}

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

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

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

.btn--outline:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
    transform: translateY(-2px);
}

.btn--sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

.btn--full {
    width: 100%;
}

.btn-link {
    background: none;
    border: none;
    color: var(--color-secondary);
    font-weight: 600;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    transition: color var(--transition-fast);
}

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

.btn-link i {
    transition: transform var(--transition-fast);
}

.btn-link:hover i {
    transform: translateX(4px);
}

/* ============================================
   HERO
   ============================================ */
.hero {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    padding-top: calc(var(--spacing-xl) + 80px);
    position: relative;
}

.hero__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero__title {
    color: var(--color-white);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
}

.hero__subtitle {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

.hero__cta {
    display: flex;
    gap: var(--spacing-sm);
}

.hero__image img {
    width: 100%;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   SYNOPSIS
   ============================================ */
.synopsis__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
    text-align: center;
}

.synopsis__item {
    padding: var(--spacing-md);
}

.synopsis__icon {
    font-size: 2.5rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.synopsis__number {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.synopsis__label {
    font-size: 0.875rem;
    color: var(--color-gray-medium);
}

/* ============================================
   EXPERTISES
   ============================================ */
.expertises__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.expertise-card {
    background: var(--color-white);
    padding: var(--spacing-md);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.expertise-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.expertise-card__icon {
    font-size: 3rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.expertise-card__title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.expertise-card__desc {
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-sm);
    font-size: 0.875rem;
    line-height: 1.5;
}

/* ============================================
   VALEUR AJOUTEE
   ============================================ */
.valeur-ajoutee__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.method-card {
    text-align: center;
    padding: var(--spacing-md);
}

.method-card__icon {
    font-size: 3rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.method-card__title {
    font-size: 1.25rem;
    margin-bottom: var(--spacing-xs);
}

.method-card__desc {
    color: var(--color-gray-medium);
    font-size: 0.875rem;
}

/* ============================================
   REALISATIONS
   ============================================ */
.realisations__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.realisation-card {
    background: var(--color-white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.realisation-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.realisation-card__badge {
    display: inline-block;
    background: var(--color-gray-light);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-lg);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.realisation-card__title {
    font-size: 1.125rem;
    margin-bottom: var(--spacing-xs);
}

.realisation-card__client {
    font-size: 0.75rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.realisation-card__contexte {
    font-size: 0.875rem;
    color: var(--color-gray-dark);
    margin-bottom: var(--spacing-sm);
}

.realisation-card__result {
    font-size: 0.875rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.realisation-card__result i {
    color: var(--color-secondary);
}

/* ============================================
   RESSOURCES
   ============================================ */
.ressources__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.ressource-card {
    background: var(--color-white);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-md);
    text-align: center;
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-normal);
}

.ressource-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.ressource-card__icon {
    font-size: 3rem;
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
}

.ressource-card__title {
    font-size: 1rem;
    margin-bottom: var(--spacing-xs);
}

.ressource-card__format {
    font-size: 0.75rem;
    color: var(--color-gray-medium);
    margin-bottom: var(--spacing-sm);
}

/* ============================================
   CONTACT
   ============================================ */
.contact__grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.contact__intro {
    margin-bottom: var(--spacing-md);
    color: var(--color-gray-dark);
}

.contact__details {
    margin-bottom: var(--spacing-md);
}

.contact__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-sm);
}

.contact__item i {
    width: 24px;
    color: var(--color-secondary);
    font-size: 1.125rem;
}

.contact__calendar {
    margin-top: var(--spacing-md);
}

/* Formulaire */
.form-group {
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--color-gray);
    border-radius: var(--border-radius-sm);
    font-family: var(--font-body);
    font-size: 1rem;
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(44, 122, 77, 0.1);
}

.form-group.checkbox {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.form-group.checkbox input {
    width: auto;
}

.form-group.checkbox label {
    font-size: 0.875rem;
    color: var(--color-gray-medium);
}

.form-status {
    margin-top: var(--spacing-sm);
    font-size: 0.875rem;
    text-align: center;
}

.form-status.success {
    color: var(--color-secondary);
}

.form-status.error {
    color: #E53E3E;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.site-footer__grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.site-footer h4 {
    color: var(--color-white);
    margin-bottom: var(--spacing-sm);
    font-size: 1rem;
}

.site-footer ul {
    list-style: none;
}

.site-footer li {
    margin-bottom: var(--spacing-xs);
}

.site-footer a {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.875rem;
}

.site-footer a:hover {
    color: var(--color-white);
}

.site-footer__copyright {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================================
   MODALS
   ============================================ */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 1100;
    justify-content: center;
    align-items: center;
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal__content {
    background: var(--color-white);
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border-radius: var(--border-radius-md);
    position: relative;
    padding: var(--spacing-lg);
    animation: modalSlideIn var(--transition-normal);
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-20px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal__close {
    position: absolute;
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--color-gray-medium);
    transition: color var(--transition-fast);
}

.modal__close:hover {
    color: var(--color-primary);
}

.modal__header {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-sm);
    border-bottom: 1px solid var(--color-gray);
}

.modal__icon {
    font-size: 2rem;
    color: var(--color-secondary);
}

.modal__body h3 {
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.modal__body ul {
    margin-left: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.modal__body li {
    margin-bottom: var(--spacing-xs);
}

.modal__footer {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray);
    text-align: center;
}

/* Badges */
.badges {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: var(--spacing-sm) 0;
}

.badge {
    background: var(--color-gray-light);
    padding: 0.25rem 0.75rem;
    border-radius: var(--border-radius-lg);
    font-size: 0.75rem;
    font-weight: 500;
    color: var(--color-primary);
}

/* ============================================
   COOKIE BANNER
   ============================================ */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-sm);
    z-index: 1000;
    transform: translateY(100%);
    transition: transform var(--transition-normal);
}

.cookie-banner.visible {
    transform: translateY(0);
}

.cookie-banner__content {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.cookie-banner__content p {
    font-size: 0.875rem;
    margin: 0;
    flex: 1;
}

.cookie-banner__buttons {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
}

/* ============================================
   BACK TO TOP
   ============================================ */
.back-to-top {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    width: 48px;
    height: 48px;
    background: var(--color-secondary);
    color: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-normal);
    z-index: 900;
    box-shadow: var(--shadow-md);
}

.back-to-top.visible {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--color-primary);
    transform: translateY(-4px);
}


/* ============================================
   SECTIONS ULTRA-COMPACTES
   ============================================ */
section {
    padding: var(--spacing-lg) 0; /* 3rem haut et bas */
    scroll-margin-top: 80px;
}


section:nth-child(even) {
    background-color: var(--color-gray-light);
}

/* Hero */
.hero {
    background: linear-gradient(135deg, var(--color-primary), var(--color-secondary));
    color: var(--color-white);
    padding-top: calc(var(--spacing-xl) + 80px);
    position: relative;
}
.expertises {
    padding-top: 1rem;
}

.valeur-ajoutee {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.realisations {
    padding-top: 0.5rem;
    padding-bottom: -5.5rem; /* ⚠️ valeur négative à éviter */
}

.ressources {
    padding-top: 2rem;
    padding-bottom: 2rem;
}

.contact {
    padding-top: 2rem;
    padding-bottom: 2rem;
}
adding-bottom: 2rem;
}


.realisations .section-header {
    margin-bottom: 25px;
}

.section-header {
    margin-bottom: 60px;
}

.realisations .section-intro {
    margin-bottom: 0;
}

.realisations .section-header {
    margin-bottom: 20px;
}