:root {
    --color-primary: #0B192C; /* Deep Navy Royal */
    --color-secondary: #1F305E; /* Midnight Blue */
    --color-accent: #AD8B56; /* Golden Bronze */
    --color-bg-warm: #FAF9F6; /* Alabaster Premium White */
    --color-text-dark: #1E293B;
    --color-text-muted: #64748B;
    --font-heading: 'Playfair Display', Georgia, serif;
    --font-body: 'Inter', system-ui, -apple-system, sans-serif;
    --transition-standard: 0.25s ease-in-out;
}

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

body {
    font-family: var(--font-body);
    color: var(--color-text-dark);
    background-color: var(--color-bg-warm);
    line-height: 1.65;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    color: var(--color-primary);
    font-weight: 700;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Accessibilité WCAG AA */
.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--color-accent);
    color: #ffffff;
    padding: 10px 20px;
    z-index: 10000;
    text-decoration: none;
    font-weight: bold;
    transition: top var(--transition-standard);
}
.skip-link:focus {
    top: 0;
}
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

*:focus-visible {
    outline: 3px solid var(--color-accent);
    outline-offset: 3px;
}

/* En-tête */
.site-header {
    background: #ffffff;
    box-shadow: 0 2px 10px rgba(0,0,0,0.03);
    position: sticky;
    top: 0;
    z-index: 1000;
}
.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
}
.logo-link {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    text-decoration: none;
}
.logo-title {
    font-family: var(--font-heading);
    font-size: 1.6rem;
    color: var(--color-primary);
}
.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}
.nav-links a {
    text-decoration: none;
    color: var(--color-text-dark);
    font-weight: 500;
    font-size: 1rem;
    transition: color var(--transition-standard);
}
.nav-links a:hover {
    color: var(--color-accent);
}
.burger-menu {
    display: none;
    background: none;
    border: none;
    font-size: 1.6rem;
    cursor: pointer;
    color: var(--color-primary);
}

/* Section Hero */
.hero {
    padding: 6rem 0;
    background: radial-gradient(circle at 80% 20%, rgba(173, 139, 86, 0.08), transparent), #ffffff;
    text-align: center;
}
.hero h1 {
    font-size: 3rem;
    line-height: 1.2;
    max-width: 850px;
    margin: 0 auto 1.5rem;
}
.hero p {
    font-size: 1.3rem;
    color: var(--color-text-muted);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.btn {
    display: inline-block;
    padding: 0.9rem 2.2rem;
    background-color: var(--color-accent);
    color: #ffffff;
    text-decoration: none;
    border-radius: 4px;
    font-weight: 600;
    border: none;
    cursor: pointer;
    transition: background-color var(--transition-standard);
}
.btn:hover {
    background-color: #927244;
}
.btn-secondary {
    background-color: var(--color-primary);
}
.btn-secondary:hover {
    background-color: #172B4D;
}

/* Indicateurs de Performance (Stats) */
.stats {
    background-color: var(--color-primary);
    color: #ffffff;
    padding: 3.5rem 0;
    text-align: center;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 3rem;
}
.stat-card h3 {
    color: var(--color-accent);
    font-size: 2.8rem;
    margin-bottom: 0.5rem;
}

/* Processus */
.section-padding {
    padding: 6rem 0;
}
.section-title {
    text-align: center;
    font-size: 2.4rem;
    margin-bottom: 3.5rem;
}
.grid-steps, .grid-services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}
.card-wrapper {
    background: #ffffff;
    padding: 2.5rem;
    border-radius: 6px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
    border-top: 4px solid var(--color-accent);
}
.card-wrapper h3 {
    margin: 1.25rem 0 0.75rem 0;
    font-size: 1.4rem;
}

/* Bloc Asymétrique */
.asym-feature {
    background: #ffffff;
    padding: 6rem 0;
}
.asym-container {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 4.5rem;
}
.asym-media {
    flex: 1 1 450px;
}
.asym-media img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.08);
}
.asym-text {
    flex: 1 1 450px;
}
.asym-text ul {
    list-style: none;
    margin-top: 1.5rem;
}
.asym-text li {
    margin-bottom: 1.25rem;
    position: relative;
    padding-left: 2rem;
}
.asym-text li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-accent);
    font-weight: bold;
    font-size: 1.3rem;
}

/* Tarification */
.pricing-layout {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2.5rem;
}
.price-box {
    background: #ffffff;
    padding: 3.5rem 2.5rem;
    border-radius: 8px;
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
    text-align: center;
    position: relative;
}
.price-box.popular {
    border: 2px solid var(--color-accent);
    transform: scale(1.02);
}
.popular-ribbon {
    position: absolute;
    top: 20px;
    right: 20px;
    background: var(--color-accent);
    color: #ffffff;
    padding: 0.3rem 0.9rem;
    font-size: 0.75rem;
    font-weight: bold;
    border-radius: 999px;
    text-transform: uppercase;
}
.price-value {
    font-size: 2.8rem;
    font-weight: 700;
    color: var(--color-primary);
    margin: 1.5rem 0;
}

/* Section Formulaire */
.capture-block {
    background-color: #F1F5F9;
    padding: 6rem 0;
}
.capture-box {
    max-width: 680px;
    margin: 0 auto;
    background: #ffffff;
    padding: 3.5rem;
    border-radius: 8px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.04);
}
.form-input-group {
    margin-bottom: 1.5rem;
}
.form-input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
}
.input-field {
    width: 100%;
    padding: 0.85rem 1.1rem;
    border: 1px solid #CBD5E1;
    border-radius: 4px;
    font-family: var(--font-body);
}
.checkbox-container {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}
.checkbox-container input {
    margin-top: 0.35rem;
}

/* Accordéon FAQ */
.faq-holder {
    max-width: 850px;
    margin: 0 auto;
}
.faq-node {
    border-bottom: 1px solid #E2E8F0;
    padding: 1.5rem 0;
}
.faq-trigger {
    width: 100%;
    background: none;
    border: none;
    text-align: left;
    font-family: var(--font-heading);
    font-size: 1.3rem;
    font-weight: 700;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-primary);
}
.faq-content {
    margin-top: 1rem;
    color: var(--color-text-muted);
    display: none;
}
.faq-node.active .faq-content {
    display: block;
}

/* Trust Layer (Informations légales transparentes) */
.legal-trust-widget {
    background-color: #0F172A;
    color: #94A3B8;
    padding: 4.5rem 0;
    font-size: 0.95rem;
    border-bottom: 1px solid #334155;
}
.legal-trust-widget h3 {
    color: #ffffff;
    margin-bottom: 1.5rem;
}
.legal-trust-widget p {
    margin-bottom: 1.25rem;
}
.legal-trust-widget a {
    color: #38BDF8;
    text-decoration: underline;
}

/* Pied de page */
.site-footer {
    background-color: #0F172A;
    color: #64748B;
    padding: 3rem 0;
    font-size: 0.9rem;
}
.footer-row {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 2.5rem;
    margin-bottom: 2.5rem;
}
.footer-navigation ul {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    flex-wrap: wrap;
}
.footer-navigation a {
    color: #94A3B8;
    text-decoration: none;
}
.footer-navigation a:hover {
    color: #ffffff;
}

/* Bandeau de cookies */
.cookie-banner {
    position: fixed;
    bottom: 25px;
    left: 25px;
    right: 25px;
    max-width: 650px;
    background: #ffffff;
    box-shadow: 0 15px 40px rgba(0,0,0,0.18);
    border-radius: 8px;
    padding: 1.75rem;
    z-index: 10000;
    border-left: 5px solid var(--color-primary);
    display: none;
}
.cookie-controls {
    display: flex;
    gap: 1rem;
    margin-top: 1.25rem;
}

/* Navigation Responsive Mobile */
@media (max-width: 768px) {
    .nav-links {
        display: none;
        flex-direction: column;
        width: 100%;
        background: #ffffff;
        position: absolute;
        top: 75px;
        left: 0;
        padding: 2rem;
        box-shadow: 0 4px 15px rgba(0,0,0,0.08);
    }
    .nav-links.active {
        display: flex;
    }
    .burger-menu {
        display: block;
    }
    .price-box.popular {
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}