/*
 * PLASTIFORCE - Thème Industriel Professionnel
 * Palette de couleurs robuste pour entreprises industrielles françaises
 *
 * SCHÉMA DE COULEURS - MODE CLAIR:
 * - Primary (Charcoal): #333333
 * - Secondary (Steel Blue): #4682B4
 * - Accent (Safety Orange): #FF8C00
 * - Background: #f8f9fa
 * - Text: #1a1a1a
 * - Light Gray: #e9ecef
 * - Medium Gray: #6c757d
 * - Dark Gray: #495057
 *
 * SCHÉMA DE COULEURS - MODE SOMBRE:
 * - Primary: #f8f9fa
 * - Secondary: #4682B4
 * - Accent: #FF8C00
 * - Background: #1a1a1a
 * - Text: #e9ecef
 * - Light Gray: #495057
 * - Medium Gray: #adb5bd
 * - Dark Gray: #343a40
 */

/* ============================================
   VARIABLES CSS ET THÈME DE COULEURS
   ============================================ */

:root {
    /* Couleurs principales - Mode Clair */
    --color-primary: #333333;
    --color-secondary: #4682B4;
    --color-accent: #FF8C00;
    --color-background: #f8f9fa;
    --color-text: #1a1a1a;
    --color-text-muted: #6c757d;
    --color-light-gray: #e9ecef;
    --color-medium-gray: #adb5bd;
    --color-dark-gray: #495057;
    --color-white: #ffffff;
    --color-border: #dee2e6;

    /* Couleurs fonctionnelles */
    --color-success: #28a745;
    --color-danger: #dc3545;
    --color-warning: #ffc107;
    --color-info: #17a2b8;

    /* Typographie */
    --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-secondary: 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-mono: 'Roboto Mono', 'Courier New', monospace;

    /* Tailles de police */
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* Espacements */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 6rem;

    /* Ombres */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);

    /* Bordures */
    --border-radius-sm: 0.25rem;
    --border-radius-md: 0.5rem;
    --border-radius-lg: 0.75rem;
    --border-radius-xl: 1rem;
    --border-radius-full: 9999px;

    /* Transitions */
    --transition-fast: 150ms ease-in-out;
    --transition-base: 200ms ease-in-out;
    --transition-slow: 300ms ease-in-out;

    /* Z-index */
    --z-dropdown: 1000;
    --z-sticky: 1020;
    --z-fixed: 1030;
    --z-modal-backdrop: 1040;
    --z-modal: 1050;
    --z-popover: 1060;
    --z-tooltip: 1070;

    /* Effet de flou pour les images de fond */
    --blur-amount: 3px;
}

/* Mode Sombre */
[data-theme="dark"] {
    --color-primary: #f8f9fa;
    --color-secondary: #4682B4;
    --color-accent: #FF8C00;
    --color-background: #1a1a1a;
    --color-text: #e9ecef;
    --color-text-muted: #adb5bd;
    --color-light-gray: #495057;
    --color-medium-gray: #6c757d;
    --color-dark-gray: #343a40;
    --color-white: #1a1a1a;
    --color-border: #495057;
}

/* ============================================
   RESET ET BASE
   ============================================ */

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

html {
    scroll-behavior: smooth;
    -webkit-text-size-adjust: 100%;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
}

body {
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    font-weight: 400;
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-background);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    transition: background-color var(--transition-base), color var(--transition-base);
}

/* ============================================
   TYPOGRAPHIE
   ============================================ */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
    transition: color var(--transition-base);
}

h1 { font-size: var(--font-size-5xl); }
h2 { font-size: var(--font-size-4xl); }
h3 { font-size: var(--font-size-3xl); }
h4 { font-size: var(--font-size-2xl); }
h5 { font-size: var(--font-size-xl); }
h6 { font-size: var(--font-size-lg); }

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

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

a:hover {
    color: var(--color-accent);
    text-decoration: underline;
}

/* ============================================
   EN-TÊTE (HEADER) - THÈME PATRIMOINE
   ============================================ */

.header {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background-color: #333333;
    box-shadow: var(--shadow-lg);
    border-bottom: 3px solid var(--color-secondary);
    transition: background-color var(--transition-base);
}

.header__container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 80px;
}

.header__logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header__logo-img {
    width: 200px;
    height: auto;
    max-height: 60px;
    object-fit: contain;
}

.header__logo-text {
    font-family: var(--font-primary);
    font-size: var(--font-size-2xl);
    font-weight: 800;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.header__nav {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.header__nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-lg);
    list-style: none;
    margin: 0;
}

.header__nav-item {
    position: relative;
}

.header__nav-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-base);
    text-decoration: none;
}

.header__nav-link:hover,
.header__nav-link.active {
    background-color: var(--color-secondary);
    color: var(--color-white);
    text-decoration: none;
}

.header__nav-icon {
    font-size: var(--font-size-lg);
}

.header__actions {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.header__contact {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-white);
}

.header__contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.header__contact-icon {
    color: var(--color-accent);
}

.header__contact-link {
    color: var(--color-white);
    text-decoration: none;
}

.header__contact-link:hover {
    color: var(--color-accent);
    text-decoration: none;
}

/* Sélecteur de langue */
.header__lang-switcher {
    display: flex;
    gap: var(--spacing-sm);
}

.header__lang-btn {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-white);
    background-color: transparent;
    border: 1px solid var(--color-secondary);
    border-radius: var(--border-radius-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
}

.header__lang-btn:hover,
.header__lang-btn.active {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

/* Toggle Mode Sombre */
.header__theme-toggle {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 44px;
    height: 44px;
    background-color: transparent;
    border: 2px solid var(--color-secondary);
    border-radius: var(--border-radius-md);
    cursor: pointer;
    color: var(--color-white);
    transition: all var(--transition-fast);
}

.header__theme-toggle:hover {
    background-color: var(--color-secondary);
    color: var(--color-white);
}

.header__theme-icon {
    font-size: var(--font-size-xl);
}

.header__mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: var(--spacing-sm);
}

.header__mobile-toggle span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-white);
    border-radius: 2px;
    transition: all var(--transition-fast);
}

/* ============================================
   SECTION HERO
   ============================================ */

.hero {
    position: relative;
    min-height: 90vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background-color: var(--color-dark-gray);
}

.hero__media {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: blur(var(--blur-amount));
}

.hero__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(51, 51, 51, 0.7) 0%, rgba(70, 130, 180, 0.5) 100%);
}

.hero__content {
    position: relative;
    z-index: 2;
    text-align: center;
    padding: var(--spacing-4xl) var(--spacing-lg);
    max-width: 1000px;
}

.hero__badge {
    display: inline-block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background-color: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--border-radius-full);
    margin-bottom: var(--spacing-lg);
}

.hero__title {
    font-size: clamp(var(--font-size-3xl), 5vw, var(--font-size-5xl));
    font-weight: 800;
    color: var(--color-white);
    margin-bottom: var(--spacing-lg);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.hero__subtitle {
    font-size: clamp(var(--font-size-lg), 2.5vw, var(--font-size-2xl));
    font-weight: 400;
    color: var(--color-white);
    margin-bottom: var(--spacing-2xl);
    opacity: 0.95;
}

.hero__actions {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

/* ============================================
   BOUTONS
   ============================================ */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: var(--font-primary);
    font-size: var(--font-size-base);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border: none;
    border-radius: 0;
    cursor: pointer;
    transition: all var(--transition-base);
    text-decoration: none;
}

.btn:focus {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

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

.btn--primary:hover {
    background-color: #3a6d96;
    color: var(--color-white);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn--accent:hover {
    background-color: #e67e00;
    color: var(--color-white);
    text-decoration: none;
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

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

.btn--outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
    text-decoration: none;
}

.btn--large {
    padding: var(--spacing-lg) var(--spacing-2xl);
    font-size: var(--font-size-lg);
}

/* ============================================
   SECTIONS
   ============================================ */

.section {
    padding: var(--spacing-4xl) 0;
    position: relative;
}

.section--gray {
    background-color: var(--color-light-gray);
}

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

.section--dark .section__title,
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark h4,
.section--dark h5,
.section--dark h6 {
    color: var(--color-white);
}

.section--with-bg {
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
}

.section--with-bg .section__overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(51, 51, 51, 0.92);
    filter: blur(var(--blur-amount));
}

.section__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
    position: relative;
    z-index: 2;
}

.section__header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section__badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-accent);
    color: var(--color-white);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    border-radius: var(--border-radius-full);
    margin-bottom: var(--spacing-md);
}

.section__title {
    font-size: clamp(var(--font-size-2xl), 3vw, var(--font-size-4xl));
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.section__subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto;
}

/* ============================================
   CARTES
   ============================================ */

.card {
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    overflow: hidden;
    transition: all var(--transition-base);
    box-shadow: var(--shadow-sm);
}

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

.card__image {
    width: 100%;
    height: 250px;
    object-fit: cover;
}

.card__content {
    padding: var(--spacing-xl);
}

.card__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
}

.card__text {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
    margin-bottom: var(--spacing-md);
}

.card__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.card__link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.card__link:hover {
    color: var(--color-accent);
    gap: var(--spacing-sm);
}

/* ============================================
   GRILLES
   ============================================ */

.grid {
    display: grid;
    gap: var(--spacing-xl);
}

.grid--2 {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}

.grid--3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid--4 {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
}

@media (min-width: 768px) {
    .grid--2 {
        grid-template-columns: repeat(2, 1fr);
    }

    .grid--3 {
        grid-template-columns: repeat(3, 1fr);
    }

    .grid--4 {
        grid-template-columns: repeat(4, 1fr);
    }
}

/* ============================================
   STATISTIQUES
   ============================================ */

.stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.stat {
    text-align: center;
    padding: var(--spacing-xl);
}

.stat__number {
    font-family: var(--font-primary);
    font-size: var(--font-size-5xl);
    font-weight: 800;
    color: var(--color-accent);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.stat__label {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   FORMULAIRES
   ============================================ */

.form {
    max-width: 700px;
    margin: 0 auto;
}

.form__group {
    margin-bottom: var(--spacing-lg);
}

.form__label {
    display: block;
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: var(--spacing-sm);
}

.form__input,
.form__textarea,
.form__select {
    width: 100%;
    padding: var(--spacing-md);
    font-family: var(--font-secondary);
    font-size: var(--font-size-base);
    color: var(--color-text);
    background-color: var(--color-white);
    border: 2px solid var(--color-border);
    border-radius: var(--border-radius-sm);
    transition: all var(--transition-fast);
}

.form__input:focus,
.form__textarea:focus,
.form__select:focus {
    outline: none;
    border-color: var(--color-secondary);
    box-shadow: 0 0 0 3px rgba(70, 130, 180, 0.1);
}

.form__input::placeholder,
.form__textarea::placeholder {
    color: var(--color-text-muted);
}

.form__textarea {
    min-height: 150px;
    resize: vertical;
}

.form__error {
    display: block;
    font-size: var(--font-size-sm);
    color: var(--color-danger);
    margin-top: var(--spacing-xs);
}

.form__checkbox {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
}

.form__checkbox-input {
    width: 20px;
    height: 20px;
    margin-top: 2px;
    accent-color: var(--color-secondary);
}

.form__checkbox-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
}

/* ============================================
   PIED DE PAGE (FOOTER)
   ============================================ */

.footer {
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-4xl) 0 var(--spacing-xl);
}

.footer__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.footer__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-2xl);
    margin-bottom: var(--spacing-3xl);
}

.footer__column-title {
    font-family: var(--font-primary);
    font-size: var(--font-size-lg);
    font-weight: 700;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--color-secondary);
}

.footer__nav {
    list-style: none;
}

.footer__nav-item {
    margin-bottom: var(--spacing-sm);
}

.footer__nav-link {
    color: var(--color-medium-gray);
    font-size: var(--font-size-sm);
    transition: color var(--transition-fast);
}

.footer__nav-link:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.footer__contact-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-md);
    color: var(--color-medium-gray);
    font-size: var(--font-size-sm);
}

.footer__contact-icon {
    color: var(--color-accent);
    flex-shrink: 0;
    margin-top: 2px;
}

.footer__contact-link {
    color: var(--color-medium-gray);
    transition: color var(--transition-fast);
}

.footer__contact-link:hover {
    color: var(--color-accent);
    text-decoration: none;
}

.footer__bottom {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-md);
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-dark-gray);
    text-align: center;
}

.footer__copyright {
    font-size: var(--font-size-sm);
    color: var(--color-medium-gray);
}

.footer__legal-links {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
    justify-content: center;
}

.footer__legal-link {
    font-size: var(--font-size-sm);
    color: var(--color-medium-gray);
    transition: color var(--transition-fast);
}

.footer__legal-link:hover {
    color: var(--color-accent);
    text-decoration: none;
}

/* ============================================
   FIL D'ARIANE (BREADCRUMB)
   ============================================ */

.breadcrumb {
    padding: var(--spacing-lg) 0;
    background-color: var(--color-light-gray);
    border-bottom: 1px solid var(--color-border);
}

.breadcrumb__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.breadcrumb__list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    list-style: none;
    margin: 0;
}

.breadcrumb__item {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: var(--font-size-sm);
}

.breadcrumb__item:not(:last-child)::after {
    content: '/';
    color: var(--color-text-muted);
}

.breadcrumb__link {
    color: var(--color-text-muted);
    transition: color var(--transition-fast);
}

.breadcrumb__link:hover {
    color: var(--color-secondary);
    text-decoration: none;
}

.breadcrumb__current {
    color: var(--color-primary);
    font-weight: 600;
}

/* ============================================
   LISTE DE SERVICES
   ============================================ */

.service-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.service-item {
    display: flex;
    gap: var(--spacing-xl);
    padding: var(--spacing-xl);
    background-color: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius-md);
    transition: all var(--transition-base);
}

.service-item:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-lg);
    transform: translateX(8px);
}

.service-item__icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 80px;
    height: 80px;
    background-color: var(--color-secondary);
    color: var(--color-white);
    border-radius: var(--border-radius-md);
    flex-shrink: 0;
}

.service-item__icon span {
    font-size: var(--font-size-3xl);
}

.service-item__content {
    flex: 1;
}

.service-item__title {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.service-item__text {
    font-size: var(--font-size-base);
    color: var(--color-text-muted);
}

/* ============================================
   TABLEAU
   ============================================ */

.table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: var(--spacing-xl);
}

.table__header,
.table__row {
    border-bottom: 1px solid var(--color-border);
}

.table__header th {
    padding: var(--spacing-md);
    text-align: left;
    font-family: var(--font-primary);
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.table__row td {
    padding: var(--spacing-md);
    font-size: var(--font-size-base);
    color: var(--color-text);
}

.table__row:hover {
    background-color: var(--color-light-gray);
}

/* ============================================
   BADGES ET ÉTIQUETTES
   ============================================ */

.badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    font-family: var(--font-primary);
    font-size: var(--font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    border-radius: var(--border-radius-full);
}

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

.badge--accent {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.badge--success {
    background-color: var(--color-success);
    color: var(--color-white);
}

/* ============================================
   ACCESSIBILITÉ
   ============================================ */

/* Focus visible pour une meilleure accessibilité */
:focus-visible {
    outline: 2px solid var(--color-accent);
    outline-offset: 2px;
}

/* Screen reader only */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Skip link */
.skip-link {
    position: absolute;
    top: -40px;
    left: 0;
    background-color: var(--color-accent);
    color: var(--color-white);
    padding: var(--spacing-sm) var(--spacing-md);
    z-index: 9999;
    transition: top var(--transition-fast);
}

.skip-link:focus {
    top: 0;
}

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

@media (max-width: 1024px) {
    .header__contact {
        display: none;
    }
}

@media (max-width: 768px) {
    :root {
        --font-size-5xl: 2.25rem;
        --font-size-4xl: 1.875rem;
        --font-size-3xl: 1.5rem;
    }

    .header__nav {
        position: fixed;
        top: 80px;
        left: 0;
        right: 0;
        flex-direction: column;
        background-color: #333333;
        padding: var(--spacing-lg);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        z-index: var(--z-fixed);
    }

    .header__nav.active {
        transform: translateX(0);
    }

    .header__nav-list {
        flex-direction: column;
        width: 100%;
    }

    .header__mobile-toggle {
        display: flex;
    }

    .hero {
        min-height: 70vh;
    }

    .hero__actions {
        flex-direction: column;
        width: 100%;
    }

    .hero__actions .btn {
        width: 100%;
    }

    .section {
        padding: var(--spacing-2xl) 0;
    }

    .service-item {
        flex-direction: column;
    }

    .footer__bottom {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    .header__logo-img {
        width: 150px;
    }

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

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

/* ============================================
   ANIMATIONS
   ============================================ */

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

.fade-in {
    animation: fadeIn 0.6s ease-out;
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-left {
    animation: slideInLeft 0.6s ease-out;
}

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

.slide-in-right {
    animation: slideInRight 0.6s ease-out;
}

/* ============================================
   UTILITAIRES
   ============================================ */

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-1 { margin-top: var(--spacing-sm); }
.mt-2 { margin-top: var(--spacing-md); }
.mt-3 { margin-top: var(--spacing-lg); }
.mt-4 { margin-top: var(--spacing-xl); }
.mt-5 { margin-top: var(--spacing-2xl); }

.mb-1 { margin-bottom: var(--spacing-sm); }
.mb-2 { margin-bottom: var(--spacing-md); }
.mb-3 { margin-bottom: var(--spacing-lg); }
.mb-4 { margin-bottom: var(--spacing-xl); }
.mb-5 { margin-bottom: var(--spacing-2xl); }

.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }
.p-5 { padding: var(--spacing-2xl); }

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }

@media (max-width: 768px) {
    .d-md-none { display: none; }
}

@media (min-width: 769px) {
    .d-md-block { display: block; }
    .d-md-flex { display: flex; }
}

/* ============================================
   IMPRESSION
   ============================================ */

@media print {
    .header,
    .footer,
    .btn,
    .breadcrumb {
        display: none;
    }

    body {
        font-size: 12pt;
        line-height: 1.5;
    }

    .section {
        page-break-inside: avoid;
    }
}