/* ========================================
   BRUTAL PERFECT V3 - SYSTÈME CSS GLOBAL
   Mobile-First | Animations | Accessibilité WCAG 2.2
   Compatible avec tous les silos SEO
   ======================================== */

/* ========== VARIABLES CSS ========== */
:root {
    /* Couleurs principales */
    --brutal-orange: #FF6B35;
    --brutal-blue: #004E89;
    --brutal-yellow: #FFE66D;
    --brutal-pink: #FF006E;
    --brutal-green: #06FFA5;
    --brutal-purple: #8338EC;
    --brutal-red: #EF476F;
    
    /* Neutres */
    --black: #1A1A1A;
    --white: #FFFFFF;
    --gray-light: #F7F7F7;
    --gray-mid: #E0E0E0;
    
    /* Spacing mobile-first */
    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 1.5rem;
    --space-lg: 2rem;
    --space-xl: 3rem;
    --space-2xl: 4rem;
    
    /* Ombres brutales adaptatives */
    --shadow-sm: 3px 3px 0px var(--black);
    --shadow-md: 5px 5px 0px var(--black);
    --shadow-lg: 8px 8px 0px var(--black);
    --shadow-hover: 10px 10px 0px var(--black);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-bounce: 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    
    /* Touch targets */
    --touch-target: 44px;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--gray-light);
    color: var(--black);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

/* ========== TYPOGRAPHY ========== */
h1, h2, h3, h4, h5, h6 {
    font-weight: 900;
    text-transform: uppercase;
    letter-spacing: -0.02em;
    line-height: 1.1;
    margin-bottom: var(--space-md);
}

h1 { font-size: clamp(2rem, 6vw, 4rem); }
h2 { font-size: clamp(1.75rem, 5vw, 3rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }
h4 { font-size: clamp(1.1rem, 2.5vw, 1.5rem); }

p {
    margin-bottom: var(--space-md);
    font-size: clamp(1rem, 2vw, 1.125rem);
}

a {
    color: var(--black);
    transition: all var(--transition-fast);
}

/* ========== HEADER BRUTAL ========== */
.brutal-header {
    background: var(--white);
    border-bottom: 4px solid var(--black);
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: all var(--transition-base);
}

.brutal-header.scrolled {
    border-bottom-width: 6px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.brutal-nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--space-sm) var(--space-md);
    max-width: 1280px;
    margin: 0 auto;
}

.logo-brutal {
    display: flex;
    align-items: center;
    gap: var(--space-xs);
    transition: transform var(--transition-bounce);
    cursor: pointer;
}

.logo-brutal:hover {
    transform: scale(1.05) rotate(-2deg);
}

.logo-brutal h1 {
    font-size: clamp(1.25rem, 4vw, 2rem);
    color: var(--black);
    margin-bottom: 0;
}

.logo-brutal a {
    text-decoration: none;
    color: inherit;
}

.logo-icon {
    font-size: clamp(1.5rem, 5vw, 2.5rem);
    animation: float 3s ease-in-out infinite;
}

.accent {
    color: var(--brutal-orange);
    position: relative;
}

.accent::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--brutal-yellow);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-base);
}

.logo-brutal:hover .accent::after {
    transform: scaleX(1);
}

/* Navigation Desktop */
.nav-brutal {
    display: none;
    list-style: none;
    gap: var(--space-lg);
}

.nav-brutal li {
    margin: 0;
}

.nav-brutal a {
    text-decoration: none;
    color: var(--black);
    font-weight: 700;
    font-size: 1rem;
    padding: var(--space-xs) var(--space-sm);
    border: 3px solid var(--black);
    background: var(--white);
    transition: all var(--transition-fast);
    position: relative;
    display: inline-block;
}

.nav-brutal a:hover {
    background: var(--brutal-yellow);
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.nav-brutal a:focus {
    outline: 3px solid var(--brutal-orange);
    outline-offset: 4px;
}

/* Menu Burger */
.mobile-menu-toggle {
    display: flex;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: 3px solid var(--black);
    cursor: pointer;
    padding: var(--space-xs);
    width: var(--touch-target);
    height: var(--touch-target);
    justify-content: center;
    align-items: center;
    transition: all var(--transition-base);
    position: relative;
    z-index: 1001;
}

.mobile-menu-toggle:hover {
    background: var(--brutal-yellow);
    transform: rotate(90deg);
}

.mobile-menu-toggle:focus {
    outline: 3px solid var(--brutal-orange);
    outline-offset: 4px;
}

.mobile-menu-toggle span {
    width: 20px;
    height: 3px;
    background: var(--black);
    transition: all var(--transition-base);
    border-radius: 2px;
}

.mobile-menu-toggle.active {
    background: var(--brutal-pink);
    transform: rotate(180deg);
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-toggle.active span:nth-child(2) {
    opacity: 0;
    transform: translateX(20px);
}

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(6px, -6px);
}

/* Navigation Mobile */
.nav-mobile-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(26, 26, 26, 0.8);
    backdrop-filter: blur(8px);
    opacity: 0;
    pointer-events: none;
    transition: opacity var(--transition-base);
    z-index: 998;
}

.nav-mobile-overlay.active {
    opacity: 1;
    pointer-events: all;
}

.nav-mobile {
    position: fixed;
    top: 0;
    right: -100%;
    width: 85%;
    max-width: 350px;
    height: 100vh;
    background: var(--white);
    border-left: 6px solid var(--black);
    padding: var(--space-2xl) var(--space-lg);
    transition: right var(--transition-bounce);
    z-index: 999;
    overflow-y: auto;
}

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

.nav-mobile-links {
    display: flex;
    flex-direction: column;
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.nav-mobile-link {
    color: var(--black);
    text-decoration: none;
    font-size: 1.5rem;
    font-weight: 900;
    text-transform: uppercase;
    padding: var(--space-md);
    border: 4px solid var(--black);
    background: var(--white);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    text-align: center;
    opacity: 0;
    transform: translateX(50px);
}

.nav-mobile.active .nav-mobile-link {
    animation: slideInRight 0.4s ease forwards;
}

.nav-mobile-link:nth-child(1) { animation-delay: 0.1s; }
.nav-mobile-link:nth-child(2) { animation-delay: 0.2s; }
.nav-mobile-link:nth-child(3) { animation-delay: 0.3s; }
.nav-mobile-link:nth-child(4) { animation-delay: 0.4s; }

.nav-mobile-link:hover {
    background: var(--brutal-yellow);
    transform: translateX(-8px);
    box-shadow: var(--shadow-hover);
}

.nav-mobile-link:active {
    transform: translateX(-4px);
    box-shadow: var(--shadow-sm);
}

/* ========== BREADCRUMB ========== */
.breadcrumb {
    background: var(--white);
    padding: var(--space-sm) var(--space-md);
    border-bottom: 3px solid var(--black);
}

.breadcrumb ol {
    list-style: none;
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-xs);
    max-width: 1280px;
    margin: 0 auto;
}

.breadcrumb li {
    display: flex;
    align-items: center;
}

.breadcrumb li:not(:last-child)::after {
    content: '→';
    margin-left: var(--space-xs);
    font-weight: 900;
    color: var(--brutal-orange);
}

.breadcrumb a {
    text-decoration: none;
    font-weight: 700;
    padding: 0.25rem 0.5rem;
    border: 2px solid transparent;
    transition: all var(--transition-fast);
}

.breadcrumb a:hover {
    border-color: var(--black);
    background: var(--brutal-yellow);
}

.breadcrumb [aria-current="page"] {
    font-weight: 900;
    color: var(--brutal-orange);
}

/* ========== MAIN CONTENT ========== */
main {
    padding: var(--space-lg) var(--space-md);
    max-width: 1280px;
    margin: 0 auto;
    min-height: 60vh;
}

article {
    animation: fadeIn 0.6s ease;
}

/* ========== CARDS BRUTAL ========== */
.card-brutal {
    background: var(--white);
    border: 4px solid var(--black);
    padding: var(--space-lg);
    margin-bottom: var(--space-lg);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
}

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

/* ========== BUTTONS ========== */
.btn-brutal {
    display: inline-block;
    padding: var(--space-md) var(--space-xl);
    font-size: 1.125rem;
    font-weight: 900;
    text-transform: uppercase;
    text-decoration: none;
    border: 4px solid var(--black);
    background: var(--white);
    color: var(--black);
    box-shadow: var(--shadow-md);
    transition: all var(--transition-base);
    min-height: var(--touch-target);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

.btn-brutal.primary {
    background: var(--brutal-yellow);
}

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

.btn-brutal:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}

.btn-brutal:active {
    transform: translateY(-2px);
    box-shadow: var(--shadow-sm);
}

.btn-brutal:focus {
    outline: 3px solid var(--brutal-pink);
    outline-offset: 4px;
}

/* ========== FORMS & INPUTS ========== */
input[type="text"],
input[type="number"],
input[type="email"],
input[type="search"],
select,
textarea {
    width: 100%;
    padding: var(--space-md);
    font-size: 1rem;
    font-weight: 700;
    border: 4px solid var(--black);
    background: var(--white);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
    font-family: inherit;
}

input:focus,
select:focus,
textarea:focus {
    outline: none;
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
    border-color: var(--brutal-orange);
}

label {
    display: block;
    font-weight: 700;
    text-transform: uppercase;
    margin-bottom: var(--space-xs);
    font-size: 0.9rem;
}

/* ========== TABLES ========== */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    margin: var(--space-lg) 0;
    border: 4px solid var(--black);
    box-shadow: var(--shadow-md);
}

th, td {
    padding: var(--space-sm);
    text-align: left;
    border-bottom: 3px solid var(--black);
    border-right: 3px solid var(--black);
}

th {
    background: var(--brutal-yellow);
    font-weight: 900;
    text-transform: uppercase;
}

td {
    background: var(--white);
}

tr:last-child td {
    border-bottom: none;
}

th:last-child,
td:last-child {
    border-right: none;
}

/* ========== LISTS ========== */
ul, ol {
    margin-left: var(--space-lg);
    margin-bottom: var(--space-md);
}

li {
    margin-bottom: var(--space-xs);
    line-height: 1.6;
}

/* ========== RELATED PAGES ========== */
.related-pages {
    background: var(--white);
    padding: 2.5rem;
    border: 4px solid var(--black);
    margin: 2rem auto;
    max-width: 1000px;
}

.related-pages h2 {
    margin-bottom: 2rem;
    font-size: 1.8rem;
    text-align: center;
}

.related-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.related-card {
    display: block;
    padding: 1.5rem;
    background: var(--gray-light);
    border: 3px solid var(--black);
    text-decoration: none;
    transition: all 0.3s ease;
    box-shadow: 4px 4px 0 var(--black);
}

.related-card:hover {
    transform: translate(-3px, -3px);
    box-shadow: 7px 7px 0 var(--black);
}

.related-card h3 {
    margin-bottom: 0.75rem;
    font-size: 1.15rem;
    color: var(--black);
    text-transform: none;
}

.related-type {
    display: inline-block;
    padding: 0.4rem 0.9rem;
    color: white;
    font-size: 0.8rem;
    font-weight: 700;
    border: 2px solid var(--black);
    text-transform: uppercase;
}

/* ========== FAQ / DETAILS ========== */
details {
    background: var(--white);
    border: 4px solid var(--black);
    padding: var(--space-md);
    margin-bottom: var(--space-md);
    box-shadow: var(--shadow-sm);
    transition: all var(--transition-base);
}

details[open] {
    box-shadow: var(--shadow-md);
}

summary {
    font-weight: 900;
    text-transform: uppercase;
    cursor: pointer;
    padding: var(--space-sm);
    background: var(--brutal-yellow);
    margin: calc(-1 * var(--space-md));
    margin-bottom: var(--space-md);
    border-bottom: 3px solid var(--black);
    transition: all var(--transition-fast);
}

summary:hover {
    background: var(--brutal-orange);
    color: var(--white);
}

summary:focus {
    outline: 3px solid var(--brutal-pink);
    outline-offset: 4px;
}

/* ========== FOOTER ========== */
.footer-brutal {
    background: var(--black);
    color: var(--white);
    padding: var(--space-xl) var(--space-md);
    border-top: 6px solid var(--brutal-yellow);
    margin-top: var(--space-2xl);
}

.footer-container {
    max-width: 1280px;
    margin: 0 auto;
    text-align: center;
}

.footer-links {
    display: flex;
    justify-content: center;
    gap: var(--space-lg);
    margin-bottom: var(--space-md);
    flex-wrap: wrap;
}

.footer-link {
    color: var(--white);
    text-decoration: none;
    font-weight: 700;
    text-transform: uppercase;
    padding: var(--space-xs) var(--space-sm);
    border: 2px solid transparent;
    transition: all var(--transition-fast);
    position: relative;
}

.footer-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 3px;
    background: var(--brutal-yellow);
    transition: width var(--transition-base);
}

.footer-link:hover {
    color: var(--brutal-yellow);
    border-color: var(--brutal-yellow);
}

.footer-link:hover::after {
    width: 100%;
}

.footer-link:focus {
    outline: 2px solid var(--brutal-orange);
    outline-offset: 4px;
}

/* ========== ANIMATIONS ========== */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-20px); }
}

@keyframes slideInDown {
    from {
        opacity: 0;
        transform: translateY(-50px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes slideInRight {
    from {
        opacity: 0;
        transform: translateX(50px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.8);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

/* ========== UTILITY CLASSES ========== */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mt-sm { margin-top: var(--space-sm); }
.mt-md { margin-top: var(--space-md); }
.mt-lg { margin-top: var(--space-lg); }
.mt-xl { margin-top: var(--space-xl); }

.mb-sm { margin-bottom: var(--space-sm); }
.mb-md { margin-bottom: var(--space-md); }
.mb-lg { margin-bottom: var(--space-lg); }
.mb-xl { margin-bottom: var(--space-xl); }

.grid-2 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--space-lg);
}

.flex-center {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: var(--space-md);
}

/* ========== RESPONSIVE ========== */
@media (min-width: 768px) {
    .brutal-nav {
        padding: var(--space-md) var(--space-lg);
    }

    .nav-brutal {
        display: flex;
    }

    .mobile-menu-toggle {
        display: none;
    }

    main {
        padding: var(--space-xl) var(--space-lg);
    }
}

@media (min-width: 1024px) {
    .grid-2 {
        grid-template-columns: repeat(2, 1fr);
    }

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

/* ========== ACCESSIBILITÉ ========== */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

*:focus-visible {
    outline: 3px solid var(--brutal-orange);
    outline-offset: 4px;
}

@media (prefers-contrast: high) {
    :root {
        --shadow-sm: 4px 4px 0px var(--black);
        --shadow-md: 6px 6px 0px var(--black);
        --shadow-lg: 10px 10px 0px var(--black);
    }
}

/* ========== PRINT ========== */
@media print {
    .brutal-header,
    .nav-mobile,
    .nav-mobile-overlay,
    .footer-brutal,
    .breadcrumb {
        display: none;
    }

    body {
        background: white;
    }

    .card-brutal {
        border: 2px solid black;
        box-shadow: none;
        page-break-inside: avoid;
    }
}