/**
 * ═══════════════════════════════════════════════════════════════════════════
 * DECIDAUTO - DESIGN SYSTEM PREMIUM
 * L'Excellence Automobile Française
 * ═══════════════════════════════════════════════════════════════════════════
 * Inspiré de: Tesla (minimalisme), Porsche (luxe), Mercedes (élégance)
 * Identité: France - Bleu #0055A4 | Blanc | Rouge #EF4135
 * ═══════════════════════════════════════════════════════════════════════════
 */

/* ════════════════════════════════════════════════════════════════════════════
   🎨 DESIGN TOKENS - Variables CSS Premium
   ════════════════════════════════════════════════════════════════════════════ */
:root {
    /* ─── Couleurs France Officielles ─── */
    --bleu-france: #0055A4;
    --bleu-france-50: #E8F1FA;
    --bleu-france-100: #D1E3F5;
    --bleu-france-200: #A3C7EB;
    --bleu-france-300: #75ABE0;
    --bleu-france-400: #478FD6;
    --bleu-france-500: #0055A4;
    --bleu-france-600: #004483;
    --bleu-france-700: #003362;
    --bleu-france-800: #002241;
    --bleu-france-900: #001121;

    --rouge-france: #EF4135;
    --rouge-france-50: #FEF2F1;
    --rouge-france-100: #FDE5E3;
    --rouge-france-200: #FBCBC7;
    --rouge-france-300: #F8A49D;
    --rouge-france-400: #F47268;
    --rouge-france-500: #EF4135;
    --rouge-france-600: #D62518;
    --rouge-france-700: #B31E13;
    --rouge-france-800: #8F180F;
    --rouge-france-900: #6B120B;

    --blanc: #FFFFFF;
    --blanc-casse: #FAFBFC;

    /* ─── Couleurs Neutres Premium ─── */
    --noir-profond: #0A0A0B;
    --noir-carbone: #141416;
    --noir-graphite: #1C1C1F;
    --gris-900: #212124;
    --gris-800: #2E2E32;
    --gris-700: #3D3D42;
    --gris-600: #5C5C63;
    --gris-500: #7A7A82;
    --gris-400: #9999A1;
    --gris-300: #B8B8BE;
    --gris-200: #D7D7DB;
    --gris-100: #EBEBED;
    --gris-50: #F5F5F7;

    /* ─── Couleurs Sémantiques ─── */
    --success: #00C853;
    --success-light: #E8F9EF;
    --warning: #FFB300;
    --warning-light: #FFF8E6;
    --error: #FF3D00;
    --error-light: #FFEBE6;
    --info: #2196F3;
    --info-light: #E3F2FD;

    /* ─── Or Premium ─── */
    --or: #C9A227;
    --or-light: #F5E6B3;
    --or-dark: #8B7016;

    /* ─── Typographie ─── */
    --font-display: 'Montserrat', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
    --font-mono: 'JetBrains Mono', 'Fira Code', monospace;

    /* Tailles fluides (clamp) */
    --text-xs: clamp(0.7rem, 0.65rem + 0.25vw, 0.75rem);
    --text-sm: clamp(0.8rem, 0.75rem + 0.25vw, 0.875rem);
    --text-base: clamp(0.9rem, 0.85rem + 0.25vw, 1rem);
    --text-lg: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    --text-xl: clamp(1.15rem, 1rem + 0.5vw, 1.25rem);
    --text-2xl: clamp(1.4rem, 1.2rem + 0.75vw, 1.5rem);
    --text-3xl: clamp(1.7rem, 1.4rem + 1vw, 1.875rem);
    --text-4xl: clamp(2rem, 1.6rem + 1.5vw, 2.25rem);
    --text-5xl: clamp(2.5rem, 2rem + 2vw, 3rem);
    --text-6xl: clamp(3rem, 2.5rem + 2.5vw, 3.75rem);
    --text-7xl: clamp(3.5rem, 3rem + 3vw, 4.5rem);
    --text-hero: clamp(3rem, 2rem + 5vw, 6rem);

    /* ─── Espacements ─── */
    --space-1: 0.25rem;
    --space-2: 0.5rem;
    --space-3: 0.75rem;
    --space-4: 1rem;
    --space-5: 1.25rem;
    --space-6: 1.5rem;
    --space-8: 2rem;
    --space-10: 2.5rem;
    --space-12: 3rem;
    --space-16: 4rem;
    --space-20: 5rem;
    --space-24: 6rem;
    --space-32: 8rem;
    --space-section: clamp(4rem, 3rem + 5vw, 8rem);

    /* ─── Rayons de bordure ─── */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-2xl: 1.25rem;
    --radius-3xl: 1.5rem;
    --radius-4xl: 2rem;
    --radius-full: 9999px;

    /* ─── Ombres Premium ─── */
    --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.06);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --shadow-xl: 0 16px 48px rgba(0,0,0,0.16);
    --shadow-2xl: 0 24px 64px rgba(0,0,0,0.20);
    --shadow-inner: inset 0 2px 4px rgba(0,0,0,0.06);

    /* Ombres colorées France */
    --shadow-bleu: 0 8px 32px rgba(0, 85, 164, 0.25);
    --shadow-bleu-lg: 0 16px 48px rgba(0, 85, 164, 0.35);
    --shadow-rouge: 0 8px 32px rgba(239, 65, 53, 0.25);
    --shadow-rouge-lg: 0 16px 48px rgba(239, 65, 53, 0.35);
    --shadow-france: 0 8px 32px rgba(0, 85, 164, 0.2), 0 4px 16px rgba(239, 65, 53, 0.1);

    /* Ombres véhicule (réflexion sol) */
    --shadow-car: 0 50px 100px -20px rgba(0, 0, 0, 0.4), 0 30px 60px -30px rgba(0, 0, 0, 0.3);

    /* ─── Transitions Premium ─── */
    --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-out-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out-quart: cubic-bezier(0.76, 0, 0.24, 1);
    --ease-bounce: cubic-bezier(0.34, 1.56, 0.64, 1);
    --ease-spring: cubic-bezier(0.175, 0.885, 0.32, 1.275);

    --duration-fast: 150ms;
    --duration-base: 300ms;
    --duration-slow: 500ms;
    --duration-slower: 700ms;

    /* ─── Z-Index Scale ─── */
    --z-base: 1;
    --z-dropdown: 100;
    --z-sticky: 200;
    --z-fixed: 300;
    --z-modal-backdrop: 400;
    --z-modal: 500;
    --z-popover: 600;
    --z-tooltip: 700;
    --z-toast: 800;
    --z-max: 9999;
}

/* ════════════════════════════════════════════════════════════════════════════
   🔧 BASE RESET & FOUNDATION
   ════════════════════════════════════════════════════════════════════════════ */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    text-rendering: optimizeLegibility;
    font-feature-settings: 'kern' 1, 'liga' 1;
}

body {
    font-family: var(--font-body);
    font-size: var(--text-base);
    line-height: 1.6;
    color: var(--gris-800);
    background: var(--blanc);
    min-height: 100vh;
    overflow-x: hidden;
}

/* Selection tricolore */
::selection {
    background: var(--bleu-france);
    color: var(--blanc);
}

/* Focus visible accessible */
:focus-visible {
    outline: 3px solid var(--bleu-france);
    outline-offset: 3px;
    border-radius: var(--radius-sm);
}

/* ════════════════════════════════════════════════════════════════════════════
   🇫🇷 BANDE TRICOLORE PREMIUM
   ════════════════════════════════════════════════════════════════════════════ */
.tricolore-bar {
    height: 4px;
    background: linear-gradient(90deg,
        var(--bleu-france) 0%,
        var(--bleu-france) 33.33%,
        var(--blanc) 33.33%,
        var(--blanc) 66.66%,
        var(--rouge-france) 66.66%,
        var(--rouge-france) 100%
    );
    position: relative;
}

.tricolore-bar::before {
    content: '';
    position: absolute;
    inset: 0;
    background: inherit;
    filter: blur(12px);
    opacity: 0.6;
    transform: translateY(2px);
}

/* Variante glow */
.tricolore-bar-glow {
    height: 3px;
    background: linear-gradient(90deg,
        var(--bleu-france) 0%,
        var(--blanc) 50%,
        var(--rouge-france) 100%
    );
    box-shadow:
        0 0 20px rgba(0, 85, 164, 0.5),
        0 0 40px rgba(239, 65, 53, 0.3);
}

/* ════════════════════════════════════════════════════════════════════════════
   📍 NAVIGATION ULTRA-PREMIUM
   ════════════════════════════════════════════════════════════════════════════ */
.nav {
    position: sticky;
    top: 0;
    z-index: var(--z-sticky);
    background: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(24px) saturate(180%);
    -webkit-backdrop-filter: blur(24px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    transition: all var(--duration-base) var(--ease-out-quart);
}

.nav.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-lg);
}

.nav.dark {
    background: rgba(10, 10, 11, 0.9);
    border-bottom-color: rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--space-6);
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 80px;
}

/* Logo Premium */
.nav-logo {
    display: flex;
    align-items: center;
    gap: var(--space-4);
    text-decoration: none;
    transition: transform var(--duration-base) var(--ease-out-quart);
}

.nav-logo:hover {
    transform: scale(1.02);
}

.nav-logo-icon {
    width: 52px;
    height: 52px;
    background: linear-gradient(135deg, var(--bleu-france) 0%, var(--bleu-france-600) 100%);
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-bleu);
    transition: all var(--duration-base) var(--ease-out-quart);
}

.nav-logo-icon::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
    transition: left var(--duration-slow) var(--ease-out-quart);
}

.nav-logo:hover .nav-logo-icon::before {
    left: 100%;
}

.nav-logo:hover .nav-logo-icon {
    transform: rotate(-5deg);
    box-shadow: var(--shadow-bleu-lg);
}

.nav-logo-icon i {
    color: var(--blanc);
    font-size: 1.5rem;
}

.nav-logo-text {
    display: flex;
    flex-direction: column;
}

.nav-logo-brand {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 800;
    letter-spacing: -0.03em;
    background: linear-gradient(135deg, var(--bleu-france) 0%, var(--rouge-france) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav-logo-tagline {
    font-size: var(--text-xs);
    color: var(--gris-500);
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

/* Navigation Links */
.nav-menu {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.nav-link {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-3) var(--space-5);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 600;
    color: var(--gris-700);
    text-decoration: none;
    border-radius: var(--radius-xl);
    position: relative;
    overflow: hidden;
    transition: all var(--duration-base) var(--ease-out-quart);
}

.nav-link::before {
    content: '';
    position: absolute;
    bottom: 8px;
    left: 50%;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--bleu-france), var(--rouge-france));
    border-radius: var(--radius-full);
    transition: all var(--duration-base) var(--ease-out-quart);
    transform: translateX(-50%);
}

.nav-link:hover {
    color: var(--bleu-france);
    background: var(--bleu-france-50);
}

.nav-link:hover::before {
    width: calc(100% - 40px);
}

.nav-link.active {
    color: var(--bleu-france);
    background: var(--bleu-france-50);
}

.nav-link.active::before {
    width: calc(100% - 40px);
}

/* CTA Button dans nav */
.nav-cta {
    padding: var(--space-3) var(--space-6);
    background: linear-gradient(135deg, var(--bleu-france) 0%, var(--bleu-france-600) 100%);
    color: var(--blanc);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 700;
    text-decoration: none;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    gap: var(--space-2);
    box-shadow: var(--shadow-bleu);
    transition: all var(--duration-base) var(--ease-out-quart);
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-bleu-lg);
}

/* Mobile Menu Button */
.nav-mobile-btn {
    display: none;
    width: 48px;
    height: 48px;
    background: transparent;
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    position: relative;
    -webkit-tap-highlight-color: transparent;
}

.nav-mobile-btn span {
    position: absolute;
    left: 50%;
    width: 24px;
    height: 2px;
    background: var(--gris-800);
    border-radius: var(--radius-full);
    transform: translateX(-50%);
    transition: all var(--duration-base) var(--ease-out-quart);
}

.nav-mobile-btn span:nth-child(1) { top: 16px; }
.nav-mobile-btn span:nth-child(2) { top: 23px; }
.nav-mobile-btn span:nth-child(3) { top: 30px; }

.nav-mobile-btn.active span:nth-child(1) {
    top: 23px;
    transform: translateX(-50%) rotate(45deg);
}

.nav-mobile-btn.active span:nth-child(2) {
    opacity: 0;
}

.nav-mobile-btn.active span:nth-child(3) {
    top: 23px;
    transform: translateX(-50%) rotate(-45deg);
}

/* ════════════════════════════════════════════════════════════════════════════
   🚗 HERO SECTION - Style Configurateur Premium
   ════════════════════════════════════════════════════════════════════════════ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
    background: linear-gradient(180deg,
        var(--blanc) 0%,
        var(--gris-50) 50%,
        var(--bleu-france-50) 100%
    );
}

/* Fond avec motif géométrique subtil */
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image:
        radial-gradient(circle at 20% 30%, rgba(0, 85, 164, 0.03) 0%, transparent 50%),
        radial-gradient(circle at 80% 70%, rgba(239, 65, 53, 0.03) 0%, transparent 50%);
    pointer-events: none;
}

/* Grille décorative style automobile */
.hero-grid {
    position: absolute;
    inset: 0;
    background-image:
        linear-gradient(rgba(0, 85, 164, 0.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(0, 85, 164, 0.02) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
    -webkit-mask-image: radial-gradient(ellipse 80% 80% at 50% 50%, black 40%, transparent 100%);
}

.hero-content {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 1200px;
    padding: var(--space-8);
}

/* Badge Made in France */
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-6);
    background: linear-gradient(135deg, var(--bleu-france) 0%, var(--rouge-france) 100%);
    border-radius: var(--radius-full);
    color: var(--blanc);
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    margin-bottom: var(--space-8);
    box-shadow: var(--shadow-france);
    animation: float 3s ease-in-out infinite;
}

.hero-badge i {
    font-size: 1.25rem;
}

/* Titre Hero */
.hero-title {
    font-family: var(--font-display);
    font-size: var(--text-hero);
    font-weight: 900;
    line-height: 1.05;
    letter-spacing: -0.04em;
    color: var(--noir-profond);
    margin-bottom: var(--space-6);
}

.hero-title-highlight {
    position: relative;
    display: inline-block;
}

.hero-title-highlight::after {
    content: '';
    position: absolute;
    bottom: 0.1em;
    left: 0;
    width: 100%;
    height: 0.15em;
    background: linear-gradient(90deg, var(--bleu-france), var(--rouge-france));
    border-radius: var(--radius-full);
    opacity: 0.3;
}

/* Sous-titre Hero */
.hero-subtitle {
    font-size: var(--text-xl);
    color: var(--gris-600);
    max-width: 700px;
    margin: 0 auto var(--space-10);
    line-height: 1.7;
}

.hero-subtitle strong {
    color: var(--bleu-france);
    font-weight: 700;
}

/* Compteur véhicules style tableau de bord */
.hero-counter {
    display: inline-flex;
    align-items: center;
    gap: var(--space-8);
    padding: var(--space-6) var(--space-10);
    background: var(--blanc);
    border-radius: var(--radius-3xl);
    box-shadow: var(--shadow-xl);
    border: 1px solid var(--gris-100);
    margin-bottom: var(--space-10);
}

.hero-counter-item {
    text-align: center;
}

.hero-counter-value {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 900;
    background: linear-gradient(135deg, var(--bleu-france) 0%, var(--bleu-france-600) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
}

.hero-counter-label {
    font-size: var(--text-sm);
    color: var(--gris-500);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-top: var(--space-2);
}

.hero-counter-divider {
    width: 1px;
    height: 60px;
    background: linear-gradient(180deg, transparent, var(--gris-200), transparent);
}

/* CTA Hero */
.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-4);
}

/* ════════════════════════════════════════════════════════════════════════════
   🔘 BOUTONS PREMIUM - Style Automobile
   ════════════════════════════════════════════════════════════════════════════ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-3);
    padding: var(--space-4) var(--space-8);
    font-family: var(--font-display);
    font-size: var(--text-base);
    font-weight: 700;
    text-decoration: none;
    border: none;
    border-radius: var(--radius-xl);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    transition: all var(--duration-base) var(--ease-out-quart);
    -webkit-tap-highlight-color: transparent;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left var(--duration-slow) var(--ease-out-quart);
}

.btn:hover::before {
    left: 100%;
}

.btn:active {
    transform: scale(0.98);
}

/* Primary - Bleu France */
.btn-primary {
    background: linear-gradient(135deg, var(--bleu-france) 0%, var(--bleu-france-600) 100%);
    color: var(--blanc);
    box-shadow: var(--shadow-bleu);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-bleu-lg);
}

/* Secondary - Outline */
.btn-secondary {
    background: transparent;
    color: var(--bleu-france);
    border: 2px solid var(--bleu-france);
}

.btn-secondary:hover {
    background: var(--bleu-france);
    color: var(--blanc);
    transform: translateY(-3px);
    box-shadow: var(--shadow-bleu);
}

/* Tricolore Gradient */
.btn-tricolore {
    background: linear-gradient(135deg, var(--bleu-france) 0%, #7C3AED 50%, var(--rouge-france) 100%);
    background-size: 200% 200%;
    color: var(--blanc);
    box-shadow: var(--shadow-xl);
    animation: gradient-shift 5s ease infinite;
}

.btn-tricolore:hover {
    transform: translateY(-3px) scale(1.02);
    box-shadow: var(--shadow-2xl);
}

/* Rouge France */
.btn-rouge {
    background: linear-gradient(135deg, var(--rouge-france) 0%, var(--rouge-france-600) 100%);
    color: var(--blanc);
    box-shadow: var(--shadow-rouge);
}

.btn-rouge:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-rouge-lg);
}

/* Ghost */
.btn-ghost {
    background: transparent;
    color: var(--gris-700);
}

.btn-ghost:hover {
    background: var(--gris-100);
}

/* Dark */
.btn-dark {
    background: var(--noir-profond);
    color: var(--blanc);
    box-shadow: var(--shadow-lg);
}

.btn-dark:hover {
    background: var(--gris-800);
    transform: translateY(-3px);
    box-shadow: var(--shadow-xl);
}

/* Success */
.btn-success {
    background: linear-gradient(135deg, var(--success) 0%, #00A846 100%);
    color: var(--blanc);
    box-shadow: 0 8px 32px rgba(0, 200, 83, 0.3);
}

.btn-success:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(0, 200, 83, 0.4);
}

/* Tailles */
.btn-sm {
    padding: var(--space-2) var(--space-5);
    font-size: var(--text-sm);
    border-radius: var(--radius-lg);
}

.btn-lg {
    padding: var(--space-5) var(--space-10);
    font-size: var(--text-lg);
    border-radius: var(--radius-2xl);
}

.btn-xl {
    padding: var(--space-6) var(--space-12);
    font-size: var(--text-xl);
    border-radius: var(--radius-2xl);
}

/* Icon button */
.btn-icon {
    width: 48px;
    height: 48px;
    padding: 0;
    border-radius: var(--radius-xl);
}

.btn-icon.btn-sm {
    width: 40px;
    height: 40px;
}

.btn-icon.btn-lg {
    width: 56px;
    height: 56px;
}

/* ════════════════════════════════════════════════════════════════════════════
   🃏 CARTES PREMIUM - Style Showroom
   ════════════════════════════════════════════════════════════════════════════ */
.card {
    background: var(--blanc);
    border-radius: var(--radius-3xl);
    overflow: hidden;
    transition: all var(--duration-base) var(--ease-out-quart);
}

.card:hover {
    transform: translateY(-8px);
}

/* Carte Véhicule Premium */
.vehicle-card {
    background: var(--blanc);
    border-radius: var(--radius-3xl);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gris-100);
    transition: all var(--duration-slow) var(--ease-out-expo);
    position: relative;
}

.vehicle-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--bleu-france), var(--rouge-france));
    opacity: 0;
    transition: opacity var(--duration-base) var(--ease-out-quart);
}

.vehicle-card:hover {
    transform: translateY(-12px);
    box-shadow: var(--shadow-2xl);
}

.vehicle-card:hover::before {
    opacity: 1;
}

/* Image Container */
.vehicle-card-image {
    position: relative;
    height: 240px;
    background: linear-gradient(135deg, var(--gris-100) 0%, var(--gris-50) 100%);
    overflow: hidden;
}

.vehicle-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--duration-slow) var(--ease-out-expo);
}

.vehicle-card:hover .vehicle-card-image img {
    transform: scale(1.08);
}

/* Overlay gradient */
.vehicle-card-image::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(transparent, rgba(0,0,0,0.3));
    opacity: 0;
    transition: opacity var(--duration-base);
}

.vehicle-card:hover .vehicle-card-image::after {
    opacity: 1;
}

/* Badges sur image */
.vehicle-card-badges {
    position: absolute;
    top: var(--space-4);
    left: var(--space-4);
    right: var(--space-4);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 10;
}

.vehicle-badge {
    padding: var(--space-2) var(--space-3);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-radius: var(--radius-lg);
    font-family: var(--font-display);
    font-size: var(--text-xs);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.vehicle-badge-type {
    background: var(--bleu-france);
    color: var(--blanc);
}

.vehicle-badge-eco {
    background: var(--success);
    color: var(--blanc);
}

.vehicle-badge-promo {
    background: var(--rouge-france);
    color: var(--blanc);
}

/* Actions rapides */
.vehicle-card-actions {
    position: absolute;
    bottom: var(--space-4);
    right: var(--space-4);
    display: flex;
    gap: var(--space-2);
    opacity: 0;
    transform: translateY(10px);
    transition: all var(--duration-base) var(--ease-out-quart);
    z-index: 10;
}

.vehicle-card:hover .vehicle-card-actions {
    opacity: 1;
    transform: translateY(0);
}

.vehicle-action-btn {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border: none;
    border-radius: var(--radius-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gris-700);
    transition: all var(--duration-fast);
}

.vehicle-action-btn:hover {
    background: var(--bleu-france);
    color: var(--blanc);
    transform: scale(1.1);
}

.vehicle-action-btn.favorite:hover,
.vehicle-action-btn.favorite.active {
    background: var(--rouge-france);
    color: var(--blanc);
}

/* Contenu carte */
.vehicle-card-content {
    padding: var(--space-6);
}

.vehicle-card-header {
    margin-bottom: var(--space-4);
}

.vehicle-card-brand {
    font-size: var(--text-xs);
    color: var(--bleu-france);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-1);
}

.vehicle-card-title {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--noir-profond);
    line-height: 1.3;
    margin-bottom: var(--space-2);
}

.vehicle-card-version {
    font-size: var(--text-sm);
    color: var(--gris-500);
}

/* Prix style configurateur */
.vehicle-card-pricing {
    background: linear-gradient(135deg, var(--bleu-france-50) 0%, var(--gris-50) 100%);
    border-radius: var(--radius-xl);
    padding: var(--space-4);
    margin-bottom: var(--space-4);
}

.vehicle-price-main {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
    margin-bottom: var(--space-2);
}

.vehicle-price-value {
    font-family: var(--font-display);
    font-size: var(--text-3xl);
    font-weight: 900;
    color: var(--noir-profond);
}

.vehicle-price-label {
    font-size: var(--text-sm);
    color: var(--gris-500);
}

.vehicle-price-monthly {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.vehicle-price-monthly-value {
    font-family: var(--font-display);
    font-size: var(--text-xl);
    font-weight: 800;
    color: var(--bleu-france);
}

.vehicle-price-monthly-label {
    font-size: var(--text-xs);
    color: var(--gris-500);
}

/* Specs */
.vehicle-card-specs {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-2);
    margin-bottom: var(--space-4);
}

.vehicle-spec {
    text-align: center;
    padding: var(--space-3);
    background: var(--gris-50);
    border-radius: var(--radius-lg);
    transition: all var(--duration-fast);
}

.vehicle-spec:hover {
    background: var(--bleu-france-50);
}

.vehicle-spec-icon {
    font-size: var(--text-lg);
    color: var(--bleu-france);
    margin-bottom: var(--space-1);
}

.vehicle-spec-value {
    font-size: var(--text-xs);
    font-weight: 700;
    color: var(--gris-800);
}

/* Score véhicule */
.vehicle-card-score {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-top: var(--space-4);
    border-top: 1px solid var(--gris-100);
}

.vehicle-score {
    display: flex;
    align-items: center;
    gap: var(--space-2);
}

.vehicle-score-bar {
    width: 100px;
    height: 6px;
    background: var(--gris-200);
    border-radius: var(--radius-full);
    overflow: hidden;
}

.vehicle-score-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--bleu-france), var(--success));
    border-radius: var(--radius-full);
    transition: width var(--duration-slow) var(--ease-out-expo);
}

.vehicle-score-value {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 800;
    color: var(--success);
}

/* ════════════════════════════════════════════════════════════════════════════
   📊 STAT CARDS - Style Tableau de Bord
   ════════════════════════════════════════════════════════════════════════════ */
.stat-card {
    background: var(--blanc);
    border-radius: var(--radius-3xl);
    padding: var(--space-8);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--gris-100);
    position: relative;
    overflow: hidden;
    transition: all var(--duration-slow) var(--ease-out-expo);
}

.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    transition: height var(--duration-base);
}

.stat-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-2xl);
}

.stat-card:hover::before {
    height: 8px;
}

/* Variantes couleur */
.stat-card-bleu::before { background: var(--bleu-france); }
.stat-card-blanc::before { background: linear-gradient(90deg, var(--gris-300), var(--gris-400)); }
.stat-card-rouge::before { background: var(--rouge-france); }

/* Décoration background */
.stat-card-bg {
    position: absolute;
    top: -30px;
    right: -30px;
    width: 150px;
    height: 150px;
    border-radius: 50%;
    opacity: 0.05;
    transition: transform var(--duration-slow);
}

.stat-card:hover .stat-card-bg {
    transform: scale(1.5);
}

.stat-card-bleu .stat-card-bg { background: var(--bleu-france); }
.stat-card-blanc .stat-card-bg { background: var(--gris-500); }
.stat-card-rouge .stat-card-bg { background: var(--rouge-france); }

.stat-card-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius-2xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    color: var(--blanc);
    margin-bottom: var(--space-6);
    position: relative;
    z-index: 1;
    transition: transform var(--duration-base) var(--ease-spring);
}

.stat-card:hover .stat-card-icon {
    transform: scale(1.1) rotate(-5deg);
}

.stat-card-bleu .stat-card-icon {
    background: linear-gradient(135deg, var(--bleu-france), var(--bleu-france-600));
    box-shadow: var(--shadow-bleu);
}

.stat-card-blanc .stat-card-icon {
    background: linear-gradient(135deg, var(--gris-400), var(--gris-600));
    box-shadow: var(--shadow-md);
}

.stat-card-rouge .stat-card-icon {
    background: linear-gradient(135deg, var(--rouge-france), var(--rouge-france-600));
    box-shadow: var(--shadow-rouge);
}

.stat-card-value {
    font-family: var(--font-display);
    font-size: var(--text-5xl);
    font-weight: 900;
    line-height: 1;
    margin-bottom: var(--space-2);
    position: relative;
    z-index: 1;
}

.stat-card-bleu .stat-card-value { color: var(--bleu-france); }
.stat-card-blanc .stat-card-value { color: var(--gris-700); }
.stat-card-rouge .stat-card-value { color: var(--rouge-france); }

.stat-card-label {
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--gris-500);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    position: relative;
    z-index: 1;
}

/* ════════════════════════════════════════════════════════════════════════════
   📝 FORMULAIRES PREMIUM
   ════════════════════════════════════════════════════════════════════════════ */
.form-group {
    margin-bottom: var(--space-6);
}

.form-label {
    display: block;
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 700;
    color: var(--gris-700);
    margin-bottom: var(--space-3);
}

.form-input {
    width: 100%;
    padding: var(--space-4) var(--space-5);
    font-family: var(--font-body);
    font-size: var(--text-base);
    color: var(--gris-800);
    background: var(--blanc);
    border: 2px solid var(--gris-200);
    border-radius: var(--radius-xl);
    transition: all var(--duration-base) var(--ease-out-quart);
    outline: none;
}

.form-input::placeholder {
    color: var(--gris-400);
}

.form-input:hover {
    border-color: var(--gris-300);
}

.form-input:focus {
    border-color: var(--bleu-france);
    box-shadow: 0 0 0 4px var(--bleu-france-100);
}

/* Input Large */
.form-input-lg {
    padding: var(--space-5) var(--space-6);
    font-size: var(--text-lg);
    border-radius: var(--radius-2xl);
}

/* Select */
.form-select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%236B7280' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right var(--space-4) center;
    background-size: 20px;
    padding-right: var(--space-12);
}

/* Range Slider Premium */
.form-range {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 8px;
    background: var(--gris-200);
    border-radius: var(--radius-full);
    outline: none;
    cursor: pointer;
}

.form-range::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--bleu-france), var(--rouge-france));
    border-radius: 50%;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
    transition: transform var(--duration-fast);
}

.form-range::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

.form-range::-moz-range-thumb {
    width: 28px;
    height: 28px;
    background: linear-gradient(135deg, var(--bleu-france), var(--rouge-france));
    border-radius: 50%;
    border: none;
    cursor: pointer;
    box-shadow: var(--shadow-lg);
}

/* ════════════════════════════════════════════════════════════════════════════
   🦶 FOOTER PREMIUM
   ════════════════════════════════════════════════════════════════════════════ */
.footer {
    background: var(--noir-profond);
    color: var(--blanc);
    padding: var(--space-section) 0 var(--space-8);
    position: relative;
    overflow: hidden;
}

.footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--bleu-france), var(--blanc), var(--rouge-france));
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-12);
    margin-bottom: var(--space-12);
}

.footer-brand-description {
    color: var(--gris-400);
    margin-bottom: var(--space-6);
    line-height: 1.7;
}

.footer-title {
    font-family: var(--font-display);
    font-size: var(--text-sm);
    font-weight: 800;
    color: var(--blanc);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: var(--space-6);
}

.footer-link {
    display: block;
    color: var(--gris-400);
    text-decoration: none;
    padding: var(--space-2) 0;
    transition: all var(--duration-fast);
}

.footer-link:hover {
    color: var(--blanc);
    transform: translateX(4px);
}

.footer-bottom {
    padding-top: var(--space-8);
    border-top: 1px solid var(--gris-800);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-copyright {
    color: var(--gris-500);
    font-size: var(--text-sm);
}

/* ════════════════════════════════════════════════════════════════════════════
   🎬 ANIMATIONS PREMIUM
   ════════════════════════════════════════════════════════════════════════════ */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

@keyframes pulse-ring {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.5); opacity: 0; }
}

@keyframes gradient-shift {
    0% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
    100% { background-position: 0% 50%; }
}

@keyframes shimmer {
    0% { background-position: -200% 0; }
    100% { background-position: 200% 0; }
}

@keyframes fade-in-up {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fade-in-scale {
    from {
        opacity: 0;
        transform: scale(0.95);
    }
    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

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

@keyframes car-drive {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100vw); }
}

/* Animation Classes */
.animate-float { animation: float 3s ease-in-out infinite; }
.animate-pulse-ring { animation: pulse-ring 2s ease-out infinite; }
.animate-gradient { animation: gradient-shift 5s ease infinite; background-size: 200% 200%; }
.animate-shimmer { animation: shimmer 2s linear infinite; background-size: 200% 100%; }
.animate-fade-in-up { animation: fade-in-up 0.6s var(--ease-out-expo) both; }
.animate-fade-in-scale { animation: fade-in-scale 0.5s var(--ease-out-expo) both; }

/* Stagger delays */
.delay-100 { animation-delay: 100ms; }
.delay-200 { animation-delay: 200ms; }
.delay-300 { animation-delay: 300ms; }
.delay-400 { animation-delay: 400ms; }
.delay-500 { animation-delay: 500ms; }

/* Scroll reveal */
.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.8s var(--ease-out-expo);
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ════════════════════════════════════════════════════════════════════════════
   📱 RESPONSIVE DESIGN
   ════════════════════════════════════════════════════════════════════════════ */
@media (max-width: 1024px) {
    .nav-menu {
        display: none;
    }

    .nav-mobile-btn {
        display: block;
    }

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

@media (max-width: 768px) {
    .nav-container {
        height: 70px;
        padding: 0 var(--space-4);
    }

    .nav-logo-icon {
        width: 44px;
        height: 44px;
    }

    .hero-counter {
        flex-direction: column;
        padding: var(--space-6);
    }

    .hero-counter-divider {
        width: 60px;
        height: 1px;
    }

    .hero-cta {
        flex-direction: column;
    }

    .hero-cta .btn {
        width: 100%;
    }

    .stat-card {
        padding: var(--space-6);
    }

    .stat-card-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }

    .vehicle-card-image {
        height: 200px;
    }

    .vehicle-card-actions {
        opacity: 1;
        transform: translateY(0);
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }

    .footer-bottom {
        flex-direction: column;
        gap: var(--space-4);
        text-align: center;
    }
}

@media (max-width: 480px) {
    .vehicle-card-specs {
        grid-template-columns: repeat(2, 1fr);
    }

    .btn-xl {
        padding: var(--space-4) var(--space-8);
        font-size: var(--text-base);
    }
}

/* ════════════════════════════════════════════════════════════════════════════
   🎯 UTILITAIRES
   ════════════════════════════════════════════════════════════════════════════ */
.container {
    width: 100%;
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--space-6);
}

.container-sm { max-width: 960px; }
.container-lg { max-width: 1600px; }

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

.font-display { font-family: var(--font-display); }
.font-body { font-family: var(--font-body); }

.text-bleu { color: var(--bleu-france); }
.text-rouge { color: var(--rouge-france); }
.text-success { color: var(--success); }
.text-muted { color: var(--gris-500); }

.bg-bleu { background-color: var(--bleu-france); }
.bg-rouge { background-color: var(--rouge-france); }
.bg-dark { background-color: var(--noir-profond); }
.bg-light { background-color: var(--gris-50); }

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

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

/* Skip link */
.skip-link {
    position: absolute;
    top: -100%;
    left: var(--space-4);
    padding: var(--space-3) var(--space-6);
    background: var(--bleu-france);
    color: var(--blanc);
    font-weight: 700;
    border-radius: var(--radius-lg);
    z-index: var(--z-max);
    transition: top 0.3s;
}

.skip-link:focus {
    top: var(--space-4);
}

/* ════════════════════════════════════════════════════════════════════════════
   🖨️ PRINT STYLES
   ════════════════════════════════════════════════════════════════════════════ */
@media print {
    .nav,
    .footer,
    .btn,
    .vehicle-card-actions {
        display: none !important;
    }

    body {
        background: white;
        color: black;
    }

    .card,
    .vehicle-card,
    .stat-card {
        box-shadow: none;
        border: 1px solid #ddd;
        break-inside: avoid;
    }
}