:root {
    /* Palette Moodboard - STRICT */
    --color-rose-poudre: #F5E6EA;  /* Dominant background */
    --color-rose-fonce: #E8D0D6;   /* Secondary background */
    --color-vert-sauge: #5B7056;   /* Accent 1 (Buttons) */
    --color-jaune-moutarde: #856404; /* Accent 2 (Highlights/Stars) */
    --color-gris-fonce: #2A2A2A;   /* Text (Accessible) */
    --color-blanc-casse: #f0a8c4;  /* Cards/Sections - Darker Pink */
    --color-blanc: #faf9f6; /* Pure white */
    --color-texte-blanc: #ffffff; /* Text White */

    /* Typography */
    --font-sans: 'Montserrat', sans-serif;
    --font-serif: 'Libre Baskerville', serif;

    /* Spacing */
    --container-width: 1200px;
}

/* --- Reset & Base --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    color: var(--color-gris-fonce);
    background-color: var(--color-rose-poudre);
    /* Pattern integration */
    background-image: url('assets/bg-pattern.png');
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    font-weight: 600;
    line-height: 1.2;
    color: var(--color-gris-fonce);
}

h1 { font-size: 3.5rem; margin-bottom: 1.5rem; }
h2 { font-size: 2.5rem; margin-bottom: 1rem; }
h3 { font-size: 1.8rem; margin-bottom: 0.8rem; }

.form-group {
    margin-bottom: 1.5rem; /* Increased spacing */
}

p {
    margin-bottom: 1rem;
    color: #4A4A4A;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

/* --- Utilities --- */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 2rem;
}

.text-center { text-align: center; }
.italic { font-style: italic; }

.section {
    padding: 6rem 0;
    position: relative;
}

.bg-white { background-color: var(--color-blanc-casse); }
.bg-alt { background-color: rgba(255, 255, 255, 0.5); }

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

.grid-2 { grid-template-columns: 1fr; }
.grid-3-md { grid-template-columns: 1fr; }
.grid-4-lg { grid-template-columns: 1fr; }

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

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

/* --- Components --- */

/* Buttons */
.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    border-radius: 50px; /* Pillow shape for softness */
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

.btn-primary {
    background-color: var(--color-vert-sauge);
    color: var(--color-texte-blanc);
    box-shadow: 0 8px 20px rgba(184, 199, 179, 0.4);
}

.btn-primary:hover {
    transform: translateY(-3px);
    background-color: #6B8365;
    box-shadow: 0 12px 25px rgba(184, 199, 179, 0.6);
}

.btn-outline {
    background: transparent;
    border: 2px solid var(--color-gris-fonce);
    color: var(--color-gris-fonce);
}

.btn-outline:hover {
    background: var(--color-gris-fonce);
    color: var(--color-blanc-casse);
}

.btn-sm { padding: 0.6rem 1.5rem; font-size: 0.8rem; }

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    padding: 1.2rem 0;
    background-color: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(12px);
    z-index: 1000;
    box-shadow: 0 2px 20px rgba(0,0,0,0.02);
}

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

.logo {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--color-gris-fonce);
}

.nav-links { display: none; }

.nav-links a {
    margin: 0 1.2rem;
    font-size: 0.95rem;
    color: var(--color-gris-fonce);
    font-weight: 500;
}

.nav-links a:hover {
    color: var(--color-jaune-moutarde);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-toggle { display: block; width: 30px; cursor: pointer; }
.mobile-toggle span { display: block; width: 100%; height: 2px; background: var(--color-gris-fonce); margin: 6px 0; }

@media (min-width: 768px) {
    .nav-links { display: block; }
    .mobile-toggle { display: none; }
}

/* Mobile Toggle Animation */
.mobile-toggle { z-index: 1001; position: relative; }
.mobile-toggle span { transition: 0.3s; }
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 6px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -6px); }

/* Hero Section */
.hero {
    min-height: 100vh;
    padding-top: 100px;
    display: flex;
    align-items: center;
}

.hero-container {
    display: flex;
    flex-direction: column-reverse;
    gap: 2rem;
}

.hero-content {
    flex: 1;
    z-index: 2;
    padding: 2rem 0;
}

.hero-cta {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin-top: 2rem;
}

/* 3D Container */
#canvas-container {
    width: 100%;
    height: 50vh;
    border-radius: 30px;
}

@media (min-width: 900px) {
    .hero-container {
        flex-direction: row;
        align-items: center;
    }
    .hero h1 { font-size: 4.5rem; }
    #canvas-container { 
        height: 75vh; 
        flex: 1; /* Take remaining space */
    }
}

/* Feature Cards */
.feature-card {
    background: var(--color-blanc); /* Info cards white */
    padding: 2.5rem;
    border-radius: 25px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.6);
    box-shadow: 0 10px 30px rgba(0,0,0,0.02);
    transition: transform 0.3s;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.05);
}

.icon-box {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    display: inline-block;
}

/* Reviews */
.review-card {
    background: #fff; /* Pure white as before */
    padding: 2rem;
    border-radius: 12px; /* Less rounded */
    box-shadow: 0 4px 6px rgba(0,0,0,0.02); /* Subtle shadow */
    border: none; /* No border */
    text-align: left; /* Ensure left align */
}

.stars {
    color: var(--color-jaune-moutarde);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
}

.review-text {
    font-style: italic;
    font-size: 1.05rem;
    margin-bottom: 1.5rem;
}

/* FAQ Accordion */
.accordion-item {
    background: var(--color-blanc); /* Match feature cards */
    margin-bottom: 1rem;
    border-radius: 15px;
    padding: 0 1.5rem;
    box-shadow: 0 4px 10px rgba(0,0,0,0.01);
}

.accordion-header {
    width: 100%;
    padding: 1.5rem 0;
    background: none;
    border: none;
    text-align: left;
    font-size: 1.1rem;
    font-weight: 500;
    color: var(--color-gris-fonce);
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-serif);
}

.accordion-content {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
}

.accordion-item.active .accordion-content { max-height: 200px; }
.accordion-item.active .icon { transform: rotate(45deg); }
.icon { font-size: 1.5rem; transition: 0.3s; }

/* Pricing Section */
.pricing-section {
    background: rgba(255, 255, 255, 0.4);
    backdrop-filter: blur(5px);
}

.pricing-card {
    background: var(--color-blanc-casse);
    max-width: 420px;
    margin: 3rem auto 0;
    padding: 3.5rem;
    border-radius: 40px;
    text-align: center;
    box-shadow: 0 20px 60px rgba(0,0,0,0.06);
    border: 1px solid rgba(255, 255, 255, 0.9);
}

.pricing-amount {
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-jaune-moutarde);
    font-family: var(--font-serif);
    margin: 1rem 0 2rem;
}

.pricing-features {
    list-style: none;
    text-align: left;
    margin-bottom: 2.5rem;
}

.pricing-features li {
    padding: 0.8rem 0;
    border-bottom: 1px dashed rgba(0,0,0,0.1);
    color: #555;
    display: flex;
    align-items: center;
    gap: 10px;
}

.pricing-features li::before {
    content: "✓";
    color: var(--color-vert-sauge);
    font-weight: bold;
    font-size: 1.2rem;
}

/* Footer */
.footer {
    background: var(--color-gris-fonce); /* Almost Black */
    color: #eee;
    padding: 5rem 0 2rem;
}

.footer h3 { color: #fff; }
.footer p { color: #aaa; }
.footer a { color: #ccc; }
.footer a:hover { color: #fff; }
.footer-bottom { border-top: 1px solid #444; margin-top: 3rem; padding-top: 2rem; text-align: center; font-size: 0.8rem; }

/* Modal */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(42, 42, 42, 0.6);
    backdrop-filter: blur(8px);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 2000;
}

.hidden { display: none !important; }

.modal-content {
    background: var(--color-blanc-casse);
    padding: 3rem;
    border-radius: 30px;
    width: 90%;
    max-width: 480px;
    position: relative;
    box-shadow: 0 30px 80px rgba(0,0,0,0.2);
    text-align: center;
    animation: zoomIn 0.3s cubic-bezier(0.18, 0.89, 0.32, 1.28);
}

@keyframes zoomIn {
    from { opacity: 0; transform: scale(0.9); }
    to { opacity: 1; transform: scale(1); }
}

.close-modal {
    position: absolute;
    top: 1.5rem;
    right: 2rem;
    font-size: 2rem;
    line-height: 1;
    cursor: pointer;
    color: var(--color-gris-fonce);
    opacity: 0.5;
    transition: 0.3s;
}

.close-modal:hover { opacity: 1; }

.product-summary {
    background: var(--color-rose-poudre);
    padding: 1.5rem;
    border-radius: 20px;
    margin: 2rem 0;
}

.product-summary .price {
    font-size: 2rem;
    color: var(--color-jaune-moutarde);
    font-family: var(--font-serif);
    font-weight: 700;
}

/* Review Form Styling */
.review-form-container {
    max-width: 600px;
    margin: 0 auto 4rem;
    padding: 2.5rem;
    background: #fff; /* Solid white to match cards */
    border-radius: 12px; /* Consistency */
    box-shadow: 0 4px 6px rgba(0,0,0,0.02);
}

.form-group input, .form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ddd;
    border-radius: 12px;
    font-family: var(--font-sans);
    margin-top: 0.5rem;
}

/* Interactive Star Rating */
#star-widget {
    display: flex;
    gap: 5px;
    font-size: 2rem;
    color: #ddd; /* Gray default */
    cursor: pointer;
    justify-content: flex-start; /* Align left */
    margin-bottom: 2rem; /* More space below */
}

#star-widget span {
    transition: color 0.2s;
}

#star-widget span:hover,
#star-widget span.hovered,
#star-widget span.selected {
    color: var(--color-jaune-moutarde); /* Gold */
}

/* Animations */
.fade-in { animation: fadeIn 0.8s forwards; opacity: 0; }
.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* --- Responsive & Mobile Refinements --- */

/* Mobile Navigation */
@media (max-width: 768px) {
    .nav-links {
        display: none; /* Hidden by default */
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        flex-direction: column;
        align-items: center;
        padding: 2rem 0;
        box-shadow: 0 10px 20px rgba(0,0,0,0.05);
        backdrop-filter: blur(10px);
    }

    .nav-links.active {
        display: flex; /* Show when active */
        animation: slideDown 0.3s ease forwards;
    }

    .nav-links a {
        margin: 1rem 0;
        font-size: 1.2rem;
        display: block;
    }


}

@keyframes slideDown {
    from { opacity: 0; transform: translateY(-20px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Base Responsive Adjustments */
@media (max-width: 768px) {
    /* Typography Scaling */
    html { font-size: 14px; } /* Slightly smaller base */
    
    h1 { font-size: 2.5rem; line-height: 1.2; }
    h2 { font-size: 2rem; }
    h3 { font-size: 1.5rem; }

    /* Layout & Spacing */
    .section { padding: 4rem 0; }
    .hero { padding-top: 80px; text-align: center; }
    
    .hero-container {
        flex-direction: column-reverse;
        gap: 1rem;
    }

    .hero-cta {
        justify-content: center; /* Center buttons */
    }

    #canvas-container {
        height: 40vh; /* Smaller 3D area on mobile */
    }

    /* Cards */
    .feature-card, .review-card, .pricing-card {
        padding: 1.5rem;
    }
    
    /* Footer */
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 2rem;
    }
    
    .nav-container {
        padding: 0 1.5rem; /* Tighter nav padding */
    }
}

/* Small Phones */
@media (max-width: 480px) {
    h1 { font-size: 2rem; }
    .btn { padding: 0.8rem 1.5rem; width: 100%; text-align: center; margin-bottom: 0.5rem; } /* Stack buttons */
    .hero-cta { flex-direction: column; width: 100%; }
}

/* --- New Utilities for Cleanup --- */

.modal-success-content {
    text-align: center;
}

.modal-icon {
    font-size: 3rem; 
    display: block; 
    margin-bottom: 1rem;
}

.modal-title {
    margin-bottom: 1rem; 
    color: var(--color-gris-fonce);
}

.paypal-loading {
    text-align: center;
    padding: 20px;
}

.paypal-fallback {
    text-align: center;
}

.btn-paypal-direct {
    background: #003087;
    color: white;
}

/* --- Auth & Google Button --- */
.btn-google {
    background: white;
    color: #444;
    border: 1px solid #ddd;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 0.8rem 1.5rem;
    font-size: 0.95rem;
    font-weight: 500;
    transition: all 0.2s;
}

.btn-google:hover {
    background: #f8f8f8;
    border-color: #ccc;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
    transform: translateY(-1px);
}

.user-profile {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
    padding: 1rem;
    background: #f9f9f9;
    border-radius: 50px;
    display: inline-flex; /* Wrap content */
}

.avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
    border: 2px solid white;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
}

#user-name {
    font-weight: 600;
    color: var(--color-gris-fonce);
}

.btn-link {
    background: none;
    border: none;
    color: #666;
    text-decoration: underline;
    cursor: pointer;
    font-size: 0.85rem;
}

.btn-link:hover {
    color: var(--color-jaune-moutarde);
}

.mb-1 { margin-bottom: 1rem; }