/* ==========================================================================
   SIMAP - Charte Graphique Officielle (Rouge Industriel & Noir Anthracite)
   Basée sur le logo officiel SIMAP
   ========================================================================== */

:root {
    --simap-red: #DC2626;
    --simap-red-hover: #B91C1C;
    --simap-red-light: #FEE2E2;
    --simap-dark: #111827;
    --simap-charcoal: #1F2937;
    --simap-gray-dark: #374151;
    --simap-gray-bg: #F8FAFC;
    --simap-border: #E2E8F0;
}

html {
    overflow-x: hidden;
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    color: #1F2937;
    background-color: #FFFFFF;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6, .font-heading {
    font-family: 'Outfit', sans-serif;
}

/* --- Hero & Dégradés Industriels SIMAP --- */
.bg-simap-dark {
    background-color: var(--simap-dark);
}

.bg-simap-charcoal {
    background-color: var(--simap-charcoal);
}

.bg-industrial-hero {
    background: linear-gradient(135deg, #111827 0%, #1F2937 60%, #2B161B 100%);
    position: relative;
}

.bg-industrial-hero::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: radial-gradient(rgba(255, 255, 255, 0.07) 1px, transparent 1px);
    background-size: 24px 24px;
    pointer-events: none;
}

.hero-glow {
    position: absolute;
    width: 450px;
    height: 450px;
    background: radial-gradient(circle, rgba(220, 38, 38, 0.22) 0%, rgba(220, 38, 38, 0) 70%);
    border-radius: 50%;
    filter: blur(60px);
    pointer-events: none;
}

/* --- Cartes & Effets Glassmorphism --- */
.simap-card {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.simap-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 30px -10px rgba(17, 24, 39, 0.1);
    border-color: #CBD5E1;
}

.simap-card-dark {
    background: rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    transition: all 0.3s ease;
}

.simap-card-dark:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(220, 38, 38, 0.4);
    transform: translateY(-4px);
}

/* --- Boutons Officiels SIMAP --- */
.btn-simap-primary {
    background: linear-gradient(135deg, var(--simap-red) 0%, var(--simap-red-hover) 100%);
    color: #FFFFFF;
    font-weight: 600;
    border-radius: 10px;
    padding: 12px 26px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.25s ease;
    box-shadow: 0 4px 14px rgba(220, 38, 38, 0.35);
}

.btn-simap-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(220, 38, 38, 0.45);
    color: #FFFFFF;
}

.btn-simap-outline {
    background: transparent;
    border: 2px solid #E2E8F0;
    color: var(--simap-dark);
    font-weight: 600;
    border-radius: 10px;
    padding: 11px 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    transition: all 0.25s ease;
}

.btn-simap-outline:hover {
    border-color: var(--simap-red);
    color: var(--simap-red);
    background-color: #FEF2F2;
}

.btn-simap-outline-white {
    background: rgba(255, 255, 255, 0.1);
    border: 1.5px solid rgba(255, 255, 255, 0.25);
    color: #FFFFFF;
    font-weight: 600;
    border-radius: 10px;
    padding: 11px 24px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    backdrop-filter: blur(6px);
    transition: all 0.25s ease;
}

.btn-simap-outline-white:hover {
    background: rgba(255, 255, 255, 0.2);
    border-color: #FFFFFF;
    color: #FFFFFF;
}

/* --- Badges & Étiquettes --- */
.badge-industrial {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 9999px;
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.02em;
}

.badge-red {
    background-color: #FEE2E2;
    color: #991B1B;
}

.badge-dark {
    background-color: rgba(255, 255, 255, 0.12);
    color: #F8FAFC;
    border: 1px solid rgba(255, 255, 255, 0.18);
}

.badge-charcoal {
    background-color: #F3F4F6;
    color: #1F2937;
    border: 1px solid #E5E7EB;
}

/* --- Navbar & Liens Actifs --- */
.nav-link-custom {
    position: relative;
    font-weight: 500;
    color: #374151;
    transition: color 0.2s ease;
    padding-bottom: 4px;
}

.nav-link-custom:hover {
    color: var(--simap-red);
}

.nav-link-custom.active {
    color: var(--simap-red);
    font-weight: 600;
}

.nav-link-custom.active::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--simap-red);
    border-radius: 2px;
}

/* --- Onglets de filtrage du catalogue --- */
.filter-btn {
    padding: 10px 22px;
    border-radius: 9999px;
    font-weight: 600;
    font-size: 0.92rem;
    cursor: pointer;
    transition: all 0.2s ease;
    border: 1px solid #E2E8F0;
    background-color: #FFFFFF;
    color: #64748B;
}

.filter-btn:hover {
    border-color: #CBD5E1;
    color: #111827;
}

.filter-btn.active {
    background-color: var(--simap-red);
    color: #FFFFFF;
    border-color: var(--simap-red);
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.25);
}

/* --- Frise chronologique (Les 8 Étapes) --- */
.step-number-circle {
    width: 48px;
    height: 48px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--simap-dark) 0%, var(--simap-red) 100%);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.15rem;
    flex-shrink: 0;
    box-shadow: 0 4px 12px rgba(220, 38, 38, 0.3);
}

/* --- Modale Produit --- */
.simap-modal-overlay {
    display: none;
    position: fixed;
    inset: 0;
    z-index: 999;
    background: rgba(17, 24, 39, 0.7);
    backdrop-filter: blur(5px);
}

.simap-modal-content {
    background: #FFFFFF;
    border-radius: 20px;
    max-width: 650px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* --- Tableau Technique --- */
.specs-table {
    width: 100%;
    border-collapse: collapse;
}

.specs-table th {
    background-color: #F8FAFC;
    padding: 14px 18px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: #475569;
    border-bottom: 2px solid #E2E8F0;
}

.specs-table td {
    padding: 14px 18px;
    border-bottom: 1px solid #F1F5F9;
    font-size: 0.95rem;
}

.specs-table tr:hover td {
    background-color: #F8FAFC;
}

/* --- Boutons Média Centraux (Glassmorphism Screenshot) --- */
.media-btn-glass {
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
    color: #FFFFFF;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.4);
}

.media-btn-glass:hover {
    background: rgba(220, 38, 38, 0.85);
    border-color: rgba(255, 255, 255, 0.6);
    transform: scale(1.12);
    color: #FFFFFF;
}

.media-btn-glass:active {
    transform: scale(0.95);
}

/* Animation douce de rebond pour le chevron de défilement */
@keyframes bounceSoft {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(8px);
    }
}

.animate-bounce-soft {
    animation: bounceSoft 2s infinite ease-in-out;
}

/* ==========================================================================
   Header Dynamique : État Transparent (Haut) vs État Blanc Fixe (Scroll)
   ========================================================================== */

#main-header {
    transition: background-color 0.35s ease, border-color 0.35s ease, box-shadow 0.35s ease, color 0.35s ease;
}

/* 1. État Initial Transparent (Haut de page) */
#main-header.header-transparent {
    background-color: rgba(15, 23, 42, 0.45);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.15);
    color: #FFFFFF;
}

/* Logo bicolore transparent vs original au scroll */
#main-header.header-transparent #logo-light {
    opacity: 1;
    pointer-events: auto;
}
#main-header.header-transparent #logo-dark {
    opacity: 0;
    pointer-events: none;
}

/* Liens du menu à l'état transparent */
#main-header.header-transparent .nav-item-link {
    color: #FFFFFF;
}

#main-header.header-transparent .nav-item-link:hover {
    color: #F87171; /* red-400 */
}

#main-header.header-transparent .nav-item-link.nav-link-active {
    color: #F87171;
    border-color: #EF4444;
}

/* Menu déroulant à l'état transparent */
#main-header.header-transparent .dropdown-menu-box {
    background-color: rgba(15, 23, 42, 0.96);
    backdrop-filter: blur(14px);
    border: 1px solid rgba(255, 255, 255, 0.15);
}

#main-header.header-transparent .dropdown-item {
    color: #E2E8F0;
}

#main-header.header-transparent .dropdown-item:hover {
    background-color: rgba(220, 38, 38, 0.25);
    color: #F87171;
}

#main-header.header-transparent .dropdown-divider {
    border-color: rgba(255, 255, 255, 0.12);
}

/* Sélecteur de langue à l'état transparent (Rouge SIMAP) */
#main-header.header-transparent #lang-switcher-pill {
    background-color: rgba(0, 0, 0, 0.55);
    backdrop-filter: blur(8px);
    border-color: rgba(255, 255, 255, 0.25);
}

#main-header.header-transparent .lang-pill-inactive {
    color: rgba(255, 255, 255, 0.75);
}

#main-header.header-transparent .lang-pill-inactive:hover {
    color: #FFFFFF;
}

#main-header.header-transparent .lang-pill-active {
    background-color: #DC2626; /* Rouge SIMAP */
    color: #FFFFFF;
}

#main-header.header-transparent #mobile-menu-btn {
    color: #FFFFFF;
}

/* 2. État Fixe Scrolled (Fond Blanc & Logo Original) */
#main-header.header-scrolled {
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid #E2E8F0;
    box-shadow: 0 4px 20px -2px rgba(0, 0, 0, 0.08);
    color: #1F2937;
}

/* Logo rétabli au scroll */
#main-header.header-scrolled #logo-light {
    opacity: 0;
    pointer-events: none;
}
#main-header.header-scrolled #logo-dark {
    opacity: 1;
    pointer-events: auto;
}

/* Liens du menu à l'état scrolled */
#main-header.header-scrolled .nav-item-link {
    color: #1F2937;
}

#main-header.header-scrolled .nav-item-link:hover {
    color: #DC2626;
}

#main-header.header-scrolled .nav-item-link.nav-link-active {
    color: #DC2626;
    border-color: #DC2626;
}

/* Menu déroulant à l'état scrolled */
#main-header.header-scrolled .dropdown-menu-box {
    background-color: #FFFFFF;
    border: 1px solid #E2E8F0;
    box-shadow: 0 20px 30px -10px rgba(0, 0, 0, 0.12);
}

#main-header.header-scrolled .dropdown-item {
    color: #334155;
}

#main-header.header-scrolled .dropdown-item:hover {
    background-color: #FEF2F2;
    color: #DC2626;
}

#main-header.header-scrolled .dropdown-divider {
    border-color: #F1F5F9;
}

/* Sélecteur de langue à l'état scrolled (Rouge SIMAP) */
#main-header.header-scrolled #lang-switcher-pill {
    background-color: #F1F5F9;
    border-color: #CBD5E1;
}

#main-header.header-scrolled .lang-pill-inactive {
    color: #64748B;
}

#main-header.header-scrolled .lang-pill-inactive:hover {
    color: #0F172A;
}

#main-header.header-scrolled .lang-pill-active {
    background-color: #DC2626; /* Rouge SIMAP */
    color: #FFFFFF;
}

#main-header.header-scrolled #mobile-menu-btn {
    color: #1F2937;
}

#main-header.header-scrolled #mobile-menu-btn:hover {
    color: #DC2626;
}