/* ==========================================================================
   KM2 CONSEIL - PALETTE NOIR, OR & BLANC
   ========================================================================== */

:root {
    /* Palette Principale (Noir, Or, Blanc) */
    --primary-color: #111111;       /* Noir profond institutionnel */
    --primary-hover: #222222;       /* Noir légèrement plus clair */
    
    --gold-color: #d4af37;          /* Couleur Or / Doré classique */
    --gold-hover: #b89628;          /* Or plus sombre pour effets survol */
    --gold-light: #fefcf3;          /* Fond teinté d'or ultra-doux */
    --gold-border: #e6cb75;         /* Bordure dorée douce */

    /* Neutres & Textes */
    --dark-color: #18181b;          /* Texte presque noir */
    --text-color: #3f3f46;          /* Gris foncé élégant pour le texte */
    --text-muted: #71717a;          /* Gris moyen */
    --light-color: #f8f9fa;         /* Fond gris-blanc très épuré */
    --white: #ffffff;
    --border-color: #e4e4e7;

    /* Typographie */
    --font-main: system-ui, -apple-system, sans-serif;
    
    /* Structure & Ombres */
    --max-width: 1200px;
    --radius-md: 8px;
    --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.05);
    --shadow-lg: 0 12px 24px rgba(0, 0, 0, 0.08);
    --transition: all 0.25s ease-in-out;
}

/* Reset de base */
*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: var(--font-main);
    color: var(--text-color);
    background-color: var(--white);
    line-height: 1.6;
    font-size: 1rem;
}

/* Typographie */
h1, h2, h3, h4 {
    color: var(--primary-color);
    line-height: 1.2;
    margin-top: 0;
}

h1 { font-size: 2.75rem; font-weight: 800; }
h2 { font-size: 2.25rem; font-weight: 700; margin-bottom: 1rem; }
h3 { font-size: 1.25rem; font-weight: 600; margin-bottom: 0.5rem; }

p { margin-top: 0; margin-bottom: 1rem; }

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
	font-weight: 600;
}

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

/* Conteneurs & Sections */
.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

.section {
    padding: 5rem 0;
}

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem auto;
}

.section-header p {
    color: var(--text-muted);
    font-size: 1.125rem;
}

/* Grilles */
.grid {
    display: grid;
    gap: 2rem;
}

.grid-3 { grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); }

/* ==========================================================================
   BOUTONS & COMPOSANTS
   ========================================================================== */

.btn {
    display: inline-block;
    padding: 0.85rem 1.8rem;
    border-radius: var(--radius-md);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 0.95rem;
    transition: var(--transition);
}

.btn-sm {
    padding: 0.5rem 1.2rem;
    font-size: 0.9rem;
}

.btn-block {
    display: block;
    width: 100%;
}

/* Bouton principal (Doré) */
.btn-primary {
    background-color: var(--gold-color);
    color: var(--white);
    border-color: var(--gold-color);
}

.btn-primary:hover {
    background-color: var(--gold-hover);
    border-color: var(--gold-hover);
    color: var(--white);
}

/* Bouton secondaire (Noir) */
.btn-secondary {
    background-color: var(--primary-color);
    color: var(--white);
}

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

/* Bouton contour */
.btn-outline {
    border-color: var(--primary-color);
    color: var(--primary-color);
    background: transparent;
}

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

/* Cartes (Cartes de services avec bordure survol dorée) */
.card {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--gold-border);
}

.card-icon {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

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

/* HEADER & NAVIGATION */
.site-header {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.98);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 1.1rem 0;
}

.header-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.page-header {
	position: relative;
	width: 100%;
	height: 20vh; /* Occupe 20% de la hauteur de l'écran */
	background-image: url("../images/cropped-space-shuttle.jpg")  ;
	background-repeat: no-repeat;
	background-position: center center;
	background-size: cover;
	display: flex;
	flex-direction: column;
	justify-content: space-between;
	color: gold;
	padding: 10px;
	align-content: center;
	justify-content: center;
}
.logo a {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary-color);
    letter-spacing: -0.5px;
}

.logo-accent {
    color: var(--gold-color);
	font-size: 3rem;
}

.main-nav ul {
    display: flex;
    list-style: none;
    margin: 0;
    padding: 0;
    gap: 1.8rem;
    align-items: center;
}

.main-nav a {
    color: var(--dark-color);
    font-weight: 500;
    font-size: 0.95rem;
	font-weight: 800;
}

.main-nav a:hover,
.main-nav a.active {
    color: var(--gold-color);
}

.burger-menu {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
	font-weight: bold;
    cursor: pointer;
    padding: 5px;
}

.burger-menu span {
    width: 25px;
    height: 3px;
    background-color: var(--primary-color);
    border-radius: 2px;
}

/* HERO SECTION */
.hero {
    padding: 6.5rem 0;
    background: linear-gradient(135deg, #ffffff 0%, #fdfbf7 100%);
    border-bottom: 1px solid var(--border-color);
}

.hero-container {
    display: flex;
    align-items: center;
    gap: 3rem;
}

.hero-content {
    max-width: 800px;
}

.badge {
    display: inline-block;
    padding: 0.4rem 1rem;
    background-color: var(--gold-light);
    color: var(--gold-hover);
    border: 1px solid var(--gold-border);
    font-weight: 600;
    font-size: 0.85rem;
    border-radius: 50px;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.25rem;
    color: var(--text-color);
    margin-bottom: 2.5rem;
    max-width: 650px;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

/* BANDEAU CHIFFRES (Fond Noir & accents Or) */
.stats-bar {
    background-color: var(--primary-color);
    color: var(--white);
    padding: 3rem 0;
}

.stats-grid {
    display: flex;
    justify-content: space-around;
    text-align: center;
    gap: 1.5rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-size: 2.75rem;
    font-weight: 800;
    color: var(--gold-color);
}

.stat-label {
    font-size: 0.95rem;
    font-weight: 500;
    color: #a1a1aa;
}

/* À PROPOS */
.about-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 4rem;
    align-items: center;
}

.check-list {
    list-style: none;
    padding: 0;
    margin-top: 2rem;
}

.check-list li {
    margin-bottom: 0.85rem;
    font-weight: 500;
    color: var(--dark-color);
}

.check-list li span {
    color: var(--gold-color);
    font-weight: bold;
    margin-right: 0.5rem;
}

.about-box {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-md);
    text-align: center;
    border-top: 4px solid var(--gold-color);
}

/* CONTACT */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
    background-color: var(--light-color);
    padding: 3rem;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
}

.contact-info p {
    margin-bottom: 0.85rem;
}

.contact-form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    font-size: 0.9rem;
    color: var(--dark-color);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--gold-color);
    box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.15);
}

/* FOOTER (Noir intense avec touches d'or) */
.site-footer {
    background-color: var(--primary-color);
    color: #a1a1aa;
    padding-top: 1rem;
}

.logo-footer a {
    color: var(--white);
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
    display: inline-block;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 3rem;
    padding-bottom: 1rem;
}

.footer-col h4 {
    color: var(--white);
    margin-bottom: 0.25rem;
    font-weight: 600;
    border-bottom: 2px solid var(--gold-color);
    display: inline-block;
}

.footer-col ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-col ul li {
    margin-bottom: 0.25rem;
}

.footer-col ul a {
    color: #a1a1aa;
}

.footer-col ul a:hover {
    color: var(--gold-color);
}

.footer-bottom {
    border-top: 1px solid #27272a;
    padding: 1.5rem 0;
    text-align: center;
    font-size: 0.9rem;
}

/* RESPONSIVE */
@media (max-width: 992px) {
    h1 { font-size: 2.25rem; }
    h2 { font-size: 1.75rem; }
    
    .hero { padding: 4rem 0; }
    .hero-container { flex-direction: column; text-align: center; }
    .hero p { margin-left: auto; margin-right: auto; }
    .hero-buttons { justify-content: center; }
    
    .stats-grid { flex-direction: column; gap: 2rem; }
    .about-grid { grid-template-columns: 1fr; gap: 3rem; }
    .contact-wrapper { grid-template-columns: 1fr; gap: 3rem; padding: 2rem; }
}

@media (max-width: 768px) {
    .burger-menu { display: flex; }
    
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: var(--white);
        border-bottom: 1px solid var(--border-color);
        padding: 1.5rem;
        display: none;
        box-shadow: var(--shadow-lg);
    }
    
    .main-nav.active { display: block; }
    .main-nav ul { flex-direction: column; gap: 1rem; align-items: flex-start; }
}