/* CSS Reset & Psycom Aesthetic Variables (Black, White, Gold) */
:root {
    --bg-black: #000000;
    --bg-dark: #111111;
    --bg-white: #FFFFFF;
    --bg-light: #F5F5F5;
    
    --text-main: #333333; /* For white backgrounds */
    --text-light: #FFFFFF; /* For dark backgrounds */
    --text-muted: #888888;
    
    --gold: #CBA052; /* Psycom-style gold/bronze */
    --gold-hover: #E4C078;
    
    --border-color: #333333; /* Dark borders */
    --border-light: #E0E0E0;
    
    --font-heading: 'Playfair Display', serif; /* Elegant serif for headings */
    --font-body: 'Inter', sans-serif; /* Clean sans-serif for body */
    
    --transition: all 0.3s ease;
}

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

body {
    background-color: var(--bg-white);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    color: inherit;
    font-weight: 500;
    line-height: 1.2;
}

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

img {
    max-width: 100%;
    height: auto;
    display: block;
}

/* Utilities */
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-uppercase { text-transform: uppercase; letter-spacing: 2px; font-size: 0.85rem; font-family: var(--font-body); }

/* Containers & Layout */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: 5rem 0;
}

.section-dark {
    background-color: var(--bg-black);
    color: var(--text-light);
}

.section-light {
    background-color: var(--bg-white);
    color: var(--text-main);
}

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

/* Navigation */
.navbar {
    background-color: var(--bg-black);
    color: var(--text-light);
    padding: 1.5rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    border-bottom: 1px solid var(--border-color);
}

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

.logo {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--gold);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.nav-links {
    display: flex;
    gap: 2.5rem;
    list-style: none;
}

.nav-links a {
    font-size: 0.9rem;
    font-weight: 400;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-light);
}

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

/* Hero Section (Psycom Style: Big bold text, dark background, gold accents) */
.hero {
    background-color: var(--bg-black);
    color: var(--text-light);
    padding: 8rem 0 6rem;
    position: relative;
    border-bottom: 2px solid var(--gold);
}

.hero-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    margin-bottom: 1.5rem;
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    margin-bottom: 3rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    font-size: 0.9rem;
    font-family: var(--font-body);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 1px;
    cursor: pointer;
    text-align: center;
    border: 1px solid transparent;
    border-radius: 0; /* Square corners for a serious look */
}

.btn-primary {
    background-color: var(--gold);
    color: var(--bg-black);
}

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

.btn-outline {
    background-color: transparent;
    color: var(--gold);
    border-color: var(--gold);
}

.btn-outline:hover {
    background-color: var(--gold);
    color: var(--bg-black);
}

.btn-outline-dark {
    background-color: transparent;
    color: var(--bg-black);
    border-color: var(--bg-black);
}

.btn-outline-dark:hover {
    background-color: var(--bg-black);
    color: var(--text-light);
}

/* Section Header (Like Psycom: "Nos Services", line separator) */
.section-header {
    margin-bottom: 4rem;
    text-align: center;
}

.section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section-divider {
    width: 60px;
    height: 3px;
    background-color: var(--gold);
    margin: 1.5rem auto 0;
}

/* Grids */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: 3rem; }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: 2rem; }
.grid-4 { display: grid; grid-template-columns: 1fr; gap: 2rem; }

@media (min-width: 768px) {
    .grid-2 { grid-template-columns: 1fr 1fr; align-items: center; }
    .grid-3 { grid-template-columns: repeat(3, 1fr); }
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Service Cards (Minimalist Psycom style) */
.service-card {
    background-color: var(--bg-white);
    border: 1px solid var(--border-light);
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.08);
    border-color: var(--gold);
    transform: translateY(-5px);
}

.service-card .icon {
    font-size: 2.5rem;
    color: var(--gold);
    margin-bottom: 1.5rem;
}

.service-card h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--bg-black);
}

.service-card p {
    color: var(--text-muted);
    flex-grow: 1;
    margin-bottom: 2rem;
    font-size: 0.95rem;
}

/* Dark Mode Service Cards (for dark sections) */
.section-dark .service-card {
    background-color: var(--bg-dark);
    border-color: var(--border-color);
}
.section-dark .service-card h3 {
    color: var(--text-light);
}
.section-dark .service-card:hover {
    box-shadow: 0 10px 30px rgba(0,0,0,0.5);
    border-color: var(--gold);
}

/* Image with text block */
.image-text-block {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

@media (min-width: 900px) {
    .image-text-block {
        flex-direction: row;
        align-items: stretch;
    }
    .image-text-content {
        flex: 1;
        padding: 4rem;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .image-text-img {
        flex: 1;
        background-size: cover;
        background-position: center;
        min-height: 500px;
    }
}

/* Bio Structure (A Propos) */
.bio-title-area {
    margin-bottom: 3rem;
}
.bio-title-area h1 {
    font-size: 3.5rem;
    margin-bottom: 0.5rem;
}
.bio-title-area .credentials {
    color: var(--gold);
    font-family: var(--font-body);
    font-size: 1rem;
    letter-spacing: 2px;
    text-transform: uppercase;
}

/* Testimonials (Preuve Sociale) */
.testimonial-card {
    background-color: var(--bg-black);
    color: var(--text-light);
    border: 1px solid var(--border-color);
    padding: 3rem;
    position: relative;
    text-align: left;
}

.testimonial-card::before {
    content: '\201C';
    font-family: var(--font-heading);
    font-size: 6rem;
    color: var(--gold);
    position: absolute;
    top: -1rem;
    left: 2rem;
    opacity: 0.3;
    line-height: 1;
}

.testimonial-text {
    font-size: 1.1rem;
    font-style: italic;
    margin-bottom: 2rem;
    position: relative;
    z-index: 1;
    line-height: 1.8;
}

.testimonial-author {
    font-family: var(--font-heading);
    color: var(--gold);
    font-size: 1.2rem;
    margin-bottom: 0.2rem;
}

.testimonial-role {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: var(--font-body);
}

/* Footer structure */
.site-footer {
    background-color: var(--bg-black);
    color: var(--text-muted);
    padding: 5rem 0 2rem;
    border-top: 1px solid var(--border-color);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

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

.footer-logo {
    font-family: var(--font-heading);
    color: var(--gold);
    font-size: 1.8rem;
    margin-bottom: 1rem;
    display: block;
}

.footer-col h4 {
    color: var(--text-light);
    font-size: 1rem;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    font-family: var(--font-body);
}

.footer-links { list-style: none; }
.footer-links li { margin-bottom: 0.8rem; }
.footer-links a { color: var(--text-muted); font-size: 0.9rem; }
.footer-links a:hover { color: var(--gold); }

.footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--border-color);
    font-size: 0.85rem;
}

/* Internal Pages Base */
.page-interieure {
    background-color: var(--bg-white);
}

/* Interior Page Header */
.interior-header {
    background-color: var(--bg-black);
    color: var(--text-light);
    padding: 6rem 0 4rem;
    text-align: center;
    border-bottom: 2px solid var(--gold);
    position: relative;
    background-image: linear-gradient(rgba(0,0,0,0.4), rgba(0,0,0,0.6)), url('https://images.unsplash.com/photo-1464039397811-476f652a343b?auto=format&fit=crop&q=80&w=1600'); /* Aviation background */
    background-size: cover;
    background-position: center;
}

.interior-header h1 {
    font-size: 3rem;
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

/* Breadcrumbs */
.breadcrumb {
    display: flex;
    justify-content: center;
    gap: 0.5rem;
    list-style: none;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--text-muted);
}

.breadcrumb li:not(:last-child)::after {
    content: '/';
    margin-left: 0.5rem;
}

.breadcrumb a {
    color: var(--gold);
}

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

/* Navbar Utility (to replace inline flex styles) */
.nav-flex {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: space-between;
    align-items: center;
}


/* FIXES GLOBAUX */
:root {
    --gold: #d4af37;
    --bg-black: #0a0a0a;
    --inter: 'Inter', sans-serif;
}