:root {
    --bg-color: #F9F8F6; /* Crème doux pour les yeux */
    --text-color: #2B2B2B; /* Contraste doux mais lisible */
    --primary: #1A2B49; /* Bleu d'encre noble */
    --accent: #C5A059; /* Bronze chaleureux */
    --accent-hover: #A68341;
    --white: #FFFFFF;
    --border-color: #E2DFD8;
    --font-family: 'Inter', sans-serif;
    --font-title: 'Playfair Display', serif;
}

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

body {
    background-color: var(--bg-color);
    color: var(--text-color);
    font-family: var(--font-family);
    font-size: 1.125rem; /* Base de police à 18px pour une lisibilité accrue */
    line-height: 1.7;
    overflow-x: hidden;
}

h1, h2, h3, h4 {
    font-family: var(--font-title);
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 1.2rem;
}

a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
}

a:hover, a:focus {
    color: var(--accent-hover);
    outline: 2px solid var(--accent);
}

.skip-link {
    position: absolute;
    top: -100px;
    left: 0;
    background: var(--primary);
    color: var(--white);
    padding: 1rem;
    z-index: 1000;
    transition: top 0.2s;
}

.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;
}

/* En-tête de navigation */
header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 999;
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-title);
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--primary);
}

.logo img {
    width: 36px;
    height: 36px;
}

.nav-menu {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-link {
    color: var(--primary);
    font-weight: 500;
    font-size: 1.05rem;
}

.nav-link:hover {
    color: var(--accent);
}

.btn-cta-nav {
    background-color: var(--accent);
    color: var(--white) !important;
    padding: 0.6rem 1.4rem;
    border-radius: 4px;
    font-weight: 600;
    transition: background-color 0.3s;
}

.btn-cta-nav:hover {
    background-color: var(--accent-hover);
}

.burger {
    display: none;
    background: none;
    border: none;
    font-size: 2rem;
    cursor: pointer;
    color: var(--primary);
}

/* Sections */
section {
    padding: 6rem 2rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

/* Hero */
.hero {
    background: linear-gradient(135deg, #F9F8F6 0%, #EFECE6 100%);
    display: flex;
    align-items: center;
    min-height: 80vh;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 4rem;
    align-items: center;
}

.hero-content h1 {
    font-size: 3.25rem;
    line-height: 1.2;
}

.hero-content p {
    font-size: 1.3rem;
    margin-bottom: 2.5rem;
    color: #4A4A4A;
}

.hero-buttons {
    display: flex;
    gap: 1.5rem;
}

.btn-primary {
    background-color: var(--primary);
    color: var(--white) !important;
    padding: 1.1rem 2.2rem;
    border-radius: 4px;
    font-weight: bold;
    display: inline-block;
}

.btn-primary:hover {
    background-color: #0E1A30;
}

.btn-secondary {
    border: 2px solid var(--primary);
    color: var(--primary) !important;
    padding: 1.1rem 2.2rem;
    border-radius: 4px;
    font-weight: bold;
    display: inline-block;
}

.btn-secondary:hover {
    background-color: var(--primary);
    color: var(--white) !important;
}

.hero-image img {
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 12px 40px rgba(26,43,73,0.08);
}

/* Statistiques */
.stats {
    background-color: var(--primary);
    color: var(--white);
    text-align: center;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.stat-item h3 {
    font-size: 3.5rem;
    color: var(--accent);
    margin-bottom: 0.5rem;
}

.stat-item p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Étapes */
.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 2rem;
    margin-top: 4rem;
}

.step-card {
    background: var(--white);
    padding: 2.5rem 2rem;
    border-radius: 6px;
    border-top: 4px solid var(--accent);
    box-shadow: 0 4px 20px rgba(0,0,0,0.02);
}

.step-number {
    font-size: 3rem;
    font-weight: bold;
    color: var(--accent);
    opacity: 0.25;
    margin-bottom: 1rem;
}

/* Services Grid */
.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
    margin-top: 4rem;
}

.service-card {
    background: var(--white);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 8px 30px rgba(0,0,0,0.02);
}

.service-card img {
    width: 100%;
    height: 280px;
    object-fit: cover;
}

.service-body {
    padding: 2.5rem;
}

/* Bloc Asymétrique */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 5rem;
    align-items: center;
}

.feature-block img {
    width: 100%;
    border-radius: 8px;
}

.feature-list {
    list-style: none;
    margin-top: 1.5rem;
}

.feature-list li {
    margin-bottom: 1.2rem;
    position: relative;
    padding-left: 2.5rem;
}

.feature-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--accent);
    font-weight: bold;
    font-size: 1.25rem;
}

/* Grille de Tarifs */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
    margin-top: 4rem;
}

.pricing-card {
    background: var(--white);
    border: 1px solid var(--border-color);
    padding: 3.5rem 2rem;
    border-radius: 8px;
    text-align: center;
    position: relative;
    display: flex;
    flex-direction: column;
}

.pricing-card.popular {
    border: 2px solid var(--accent);
    box-shadow: 0 15px 35px rgba(197,160,89,0.12);
}

.popular-badge {
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--accent);
    color: var(--white);
    padding: 0.3rem 1.2rem;
    font-size: 0.9rem;
    font-weight: bold;
    border-radius: 20px;
    text-transform: uppercase;
}

.price {
    font-size: 2.75rem;
    font-weight: bold;
    color: var(--primary);
    margin: 1.5rem 0;
}

.pricing-features {
    list-style: none;
    margin: 2rem 0;
    text-align: left;
}

.pricing-features li {
    margin-bottom: 0.75rem;
    padding-left: 1.5rem;
    position: relative;
}

.pricing-features li::before {
    content: "•";
    color: var(--accent);
    position: absolute;
    left: 0;
}

/* Formulaire */
.form-section {
    background-color: #EFECE6;
}

.form-wrapper {
    max-width: 650px;
    margin: 0 auto;
    background: var(--white);
    padding: 4rem 3rem;
    border-radius: 8px;
    box-shadow: 0 10px 40px rgba(0,0,0,0.03);
}

.form-group {
    margin-bottom: 1.8rem;
}

label {
    display: block;
    margin-bottom: 0.6rem;
    font-weight: 600;
    color: var(--primary);
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea {
    width: 100%;
    padding: 0.9rem 1.2rem;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
    background-color: var(--bg-color);
}

input:focus, textarea:focus {
    outline: 2px solid var(--accent);
    background-color: var(--white);
}

.checkbox-group {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
}

.checkbox-group input {
    margin-top: 0.35rem;
}

.btn-submit {
    background-color: var(--accent);
    color: var(--white);
    border: none;
    padding: 1.1rem 2rem;
    font-size: 1.1rem;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.3s;
}

.btn-submit:hover {
    background-color: var(--accent-hover);
}

/* Accordéon FAQ */
.faq-list {
    max-width: 850px;
    margin: 4rem auto 0;
}

.faq-item {
    border-bottom: 1px solid var(--border-color);
    padding: 1.8rem 0;
}

.faq-question {
    background: none;
    border: none;
    width: 100%;
    text-align: left;
    font-size: 1.35rem;
    font-family: var(--font-title);
    font-weight: bold;
    color: var(--primary);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.faq-answer p {
    padding-top: 1.2rem;
    color: #4A4A4A;
}

.faq-item.active .faq-answer {
    max-height: 250px;
}

.faq-icon::before {
    content: "+";
    font-size: 1.6rem;
    color: var(--accent);
}

.faq-item.active .faq-icon::before {
    content: "-";
}

/* Trust Layer & Footer */
.trust-layer {
    background-color: #ECEBE6;
    border-top: 1px solid var(--border-color);
    font-size: 0.9rem;
    color: #555555;
    padding: 3rem 2rem;
}

.trust-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr;
    gap: 4rem;
}

footer {
    background-color: var(--primary);
    color: var(--white);
    padding: 4rem 2rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr;
    gap: 4rem;
    margin-bottom: 3rem;
}

.footer-nav {
    list-style: none;
}

.footer-nav li {
    margin-bottom: 0.8rem;
}

.footer-nav a {
    color: #A9B7CD;
}

.footer-nav a:hover {
    color: var(--white);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
    color: #A9B7CD;
}

/* Bannière Témoins (Cookies) */
.cookie-banner {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: var(--white);
    box-shadow: 0 -10px 30px rgba(0,0,0,0.08);
    padding: 1.8rem 2rem;
    z-index: 1000;
    transform: translateY(100%);
    transition: transform 0.4s ease-out;
}

.cookie-banner.show {
    transform: translateY(0);
}

.cookie-container {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 3rem;
}

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

.btn-cookie-accept {
    background-color: var(--primary);
    color: var(--white);
    border: none;
    padding: 0.8rem 1.6rem;
    cursor: pointer;
    font-weight: bold;
    border-radius: 4px;
}

.btn-cookie-decline {
    background: none;
    border: 1px solid var(--primary);
    color: var(--primary);
    padding: 0.8rem 1.6rem;
    cursor: pointer;
    font-weight: bold;
    border-radius: 4px;
}

/* Adaptabilité Mobile */
@media (max-width: 968px) {
    .hero-grid, .services-grid, .pricing-grid, .trust-grid, .footer-grid, .feature-block {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .steps-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .burger {
        display: block;
    }

    .nav-menu {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        border-bottom: 1px solid var(--border-color);
        padding: 2.5rem;
        gap: 1.5rem;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
    }

    .nav-menu.active {
        display: flex;
    }
    
    .cookie-container {
        flex-direction: column;
        text-align: center;
    }
}

@media (max-width: 576px) {
    .steps-grid {
        grid-template-columns: 1fr;
    }
    .hero-content h1 {
        font-size: 2.5rem;
    }
}

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