/* ==========================================================================
   Foyer Serein - Styles Généraux & Composants
   ========================================================================== */

:root {
    --primary: #1E3A5F;
    --primary-hover: #16293F;
    --secondary: #4C9A7C;
    --secondary-hover: #3E8268;
    --dark-blue: #122033;
    --dark-text: #1F2933;
    --light-text: #6B7680;
    --light-bg: #F5F1E8;
    --white: #FFFFFF;
    --border-color: #E3DCCB;
    --success: #4C9A7C;
    --warning: #FF9F1C;
    --danger: #E71D36;
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    --font-serif: 'Fraunces', Georgia, 'Times New Roman', serif;
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 24px rgba(0,0,0,0.12);
    --radius: 8px;
    --radius-lg: 16px;
    --transition: all 0.3s ease;
}

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

body {
    font-family: var(--font-sans);
    color: var(--dark-text);
    background-color: var(--light-bg);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-serif);
    color: var(--dark-blue);
    font-weight: 700;
    line-height: 1.3;
    margin-bottom: 1rem;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }

/* Grid & Layout Helpers */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.grid {
    display: grid;
    gap: 24px;
}

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

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

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    padding: 12px 24px;
    border-radius: var(--radius);
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 0.95rem;
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background-color: var(--light-bg);
    color: var(--primary);
}

.btn-secondary:hover {
    background-color: var(--secondary);
    color: var(--dark-blue);
    transform: translateY(-2px);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.85rem;
}

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

/* Header & Nav */
.main-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: 15px 0;
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.4rem;
    color: var(--dark-blue);
}

.logo-accent {
    color: var(--primary);
}

.logo-icon {
    transition: transform 0.3s ease;
}

.logo:hover .logo-icon {
    transform: rotate(10deg);
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    color: var(--dark-blue);
    font-size: 1.5rem;
    cursor: pointer;
}

.nav-menu {
    display: flex;
    align-items: center;
}

.nav-list {
    display: flex;
    list-style: none;
    align-items: center;
    gap: 30px;
}

.nav-link {
    color: var(--dark-text);
    font-weight: 500;
    font-size: 0.95rem;
    padding: 8px 0;
    border-bottom: 2px solid transparent;
}

.nav-link:hover {
    color: var(--primary);
    border-bottom-color: var(--secondary);
}

/* Dropdown */
.nav-item.dropdown {
    position: relative;
}

.dropdown-toggle {
    display: flex;
    align-items: center;
    gap: 4px;
}

.dropdown-icon {
    width: 16px;
    height: 16px;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    min-width: 240px;
    list-style: none;
    padding: 10px 0;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
}

.nav-item.dropdown:hover .dropdown-menu {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.dropdown-menu li a {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 20px;
    color: var(--dark-text);
    font-size: 0.9rem;
    font-weight: 500;
}

.dropdown-menu li a:hover {
    background-color: var(--light-bg);
    color: var(--primary);
}

.menu-icon {
    width: 16px;
    height: 16px;
    color: var(--primary);
}

/* Hero Section */
.hero {
    position: relative;
    padding: 80px 0;
    background: linear-gradient(135deg, rgba(240, 248, 255, 0.9) 0%, rgba(255, 255, 255, 0.9) 100%);
    overflow: hidden;
    border-bottom: 1px solid var(--border-color);
}

.hero::after {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(76, 154, 124, 0.2) 0%, transparent 70%);
    z-index: 1;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
    align-items: center;
    position: relative;
    z-index: 2;
}

@media (min-width: 992px) {
    .hero-grid {
        grid-template-columns: 1.2fr 0.8fr;
    }
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(30, 58, 95, 0.1);
    color: var(--primary);
    padding: 6px 14px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.85rem;
    margin-bottom: 20px;
}

.hero h1 {
    font-size: 3rem;
    font-weight: 800;
    letter-spacing: -0.5px;
    color: var(--dark-blue);
    margin-bottom: 20px;
}

.hero h1 span {
    color: var(--primary);
}

.hero-tagline {
    font-size: 1.2rem;
    color: var(--light-text);
    margin-bottom: 30px;
}

.hero-image-wrapper {
    position: relative;
}

.hero-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 4px solid var(--white);
}

/* Card Components */
.card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    padding: 24px;
    transition: var(--transition);
    overflow: hidden;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
    border-color: var(--secondary);
}

.card-title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    background-color: rgba(30, 58, 95, 0.08);
    color: var(--primary);
    margin-bottom: 20px;
}

/* Interactive Widget Styling (Quiz, Estimator) */
.widget-box {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
    padding: 40px;
    margin: 40px auto;
    max-width: 1200px;
}

.widget-step {
    display: none;
}

.widget-step.active {
    display: block;
    animation: fadeIn 0.4s ease-in-out;
}

.widget-title {
    font-size: 1.75rem;
    margin-bottom: 10px;
    color: var(--dark-blue);
    display: flex;
    align-items: center;
    gap: 12px;
}

.progress-container {
    background-color: var(--light-bg);
    height: 8px;
    border-radius: 4px;
    margin: 20px 0 30px 0;
    overflow: hidden;
}

.progress-bar {
    height: 100%;
    background-color: var(--primary);
    width: 0%;
    transition: width 0.3s ease;
}

.option-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 15px;
    margin: 25px 0;
}

@media (min-width: 576px) {
    .option-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

.option-card {
    border: 2px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    cursor: pointer;
    transition: var(--transition);
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 500;
}

.option-card:hover {
    border-color: var(--secondary);
    background-color: rgba(76, 154, 124, 0.05);
}

.option-card.selected {
    border-color: var(--primary);
    background-color: rgba(30, 58, 95, 0.05);
}

.option-card input[type="radio"],
.option-card input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--primary);
}

.widget-nav {
    display: flex;
    justify-content: space-between;
    margin-top: 30px;
    border-top: 1px solid var(--border-color);
    padding-top: 20px;
}

/* Result Screen */
.result-screen {
    text-align: center;
    animation: scaleIn 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.score-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    width: 120px;
    height: 120px;
    border-radius: 50%;
    background-color: var(--primary);
    color: var(--white);
    margin: 20px 0;
}

.score-num {
    font-size: 2.2rem;
    font-weight: 800;
}

.score-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
    letter-spacing: 1px;
}

/* Checklist vacuum design */
.checklist-container {
    max-width: 650px;
    margin: 0 auto;
}

.check-item {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    cursor: pointer;
    transition: var(--transition);
}

.check-item:hover {
    background-color: var(--light-bg);
}

.check-item input[type="checkbox"] {
    width: 22px;
    height: 22px;
    margin-top: 2px;
    accent-color: var(--primary);
    cursor: pointer;
}

.check-item-text {
    flex: 1;
}

.check-item.completed .check-item-text {
    text-decoration: line-through;
    color: var(--light-text);
}

/* Section design */
.section {
    padding: 60px 0;
}

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

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 50px auto;
}

.section-tag {
    color: var(--primary);
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.85rem;
    display: block;
    margin-bottom: 10px;
}

.section-title {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--dark-blue);
}

/* Directory/Annuaire list styling */
.search-form {
    display: flex;
    gap: 10px;
    background-color: var(--white);
    padding: 10px;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    max-width: 700px;
    margin: -30px auto 40px auto;
    position: relative;
    z-index: 10;
}

.search-input {
    flex: 1;
    border: 1px solid var(--border-color);
    padding: 12px 20px;
    font-size: 1rem;
    border-radius: var(--radius);
    outline: none;
    font-family: var(--font-sans);
}

.search-input:focus {
    border-color: var(--primary);
}

.search-btn {
    background-color: var(--primary);
    color: var(--white);
    border: none;
    padding: 12px 24px;
    border-radius: var(--radius);
    cursor: pointer;
    font-weight: 600;
}

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

.directory-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.dept-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
}

.dept-card:hover {
    border-color: var(--primary);
    box-shadow: var(--shadow-sm);
    background-color: rgba(30, 58, 95, 0.02);
}

.dept-info h3 {
    margin-bottom: 4px;
    font-size: 1.15rem;
}

.dept-code {
    background-color: var(--light-bg);
    color: var(--dark-blue);
    padding: 4px 10px;
    border-radius: 4px;
    font-weight: 700;
    font-size: 0.85rem;
}

/* Local Pro detail Card */
.pro-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 24px;
    margin-bottom: 20px;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    gap: 15px;
}

@media (min-width: 768px) {
    .pro-card {
        flex-direction: row;
        justify-content: space-between;
        align-items: center;
    }
}

.pro-header {
    display: flex;
    align-items: center;
    gap: 15px;
}

.pro-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(30, 58, 95, 0.1);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    flex-shrink: 0;
}

.pro-rating {
    display: flex;
    align-items: center;
    gap: 4px;
    color: var(--warning);
    font-weight: 600;
    font-size: 0.9rem;
}

.pro-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-top: 8px;
}

.pro-tag {
    background-color: var(--light-bg);
    color: var(--light-text);
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 500;
}

/* Blog / Guides Layout */
.guides-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}

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

.guide-card {
    background-color: var(--white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
    height: 100%;
}

.guide-img {
    height: 200px;
    object-fit: cover;
    width: 100%;
}

.guide-content {
    padding: 24px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.guide-category {
    font-size: 0.75rem;
    text-transform: uppercase;
    font-weight: 700;
    letter-spacing: 1px;
    color: var(--primary);
    margin-bottom: 10px;
}

.guide-card-title {
    font-size: 1.35rem;
    margin-bottom: 10px;
    line-height: 1.4;
}

.guide-excerpt {
    color: var(--light-text);
    font-size: 0.95rem;
    margin-bottom: 20px;
    flex: 1;
}

.guide-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-top: 1px solid var(--border-color);
    padding-top: 15px;
    font-size: 0.85rem;
    color: var(--light-text);
}

/* Article Detail */
.article-container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 0 20px;
}

.article-header {
    margin-bottom: 30px;
}

.article-meta {
    display: flex;
    gap: 20px;
    color: var(--light-text);
    font-size: 0.9rem;
    margin: 15px 0;
}

.article-hero-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: 40px;
    width: 100%;
    max-height: 450px;
    object-fit: cover;
}

.article-content {
    font-size: 1.1rem;
    line-height: 1.75;
}

.article-content h2,
.article-content h3 {
    margin-top: 40px;
    margin-bottom: 20px;
}

.article-content p {
    margin-bottom: 24px;
}

.article-content ul,
.article-content ol {
    margin-bottom: 24px;
    padding-left: 24px;
}

.article-content li {
    margin-bottom: 8px;
}

.info-box {
    background-color: #EAF3EE;
    border-left: 4px solid var(--secondary);
    padding: 24px;
    border-radius: 0 var(--radius) var(--radius) 0;
    margin: 30px 0;
}

/* Footer styling */
.main-footer {
    background-color: var(--dark-blue);
    color: #B5BEC9;
    padding: 80px 0 0 0;
    border-top: 4px solid var(--primary);
}

.footer-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: grid;
    grid-template-columns: 1fr;
    gap: 40px;
}

@media (min-width: 768px) {
    .footer-container {
        grid-template-columns: 1.5fr repeat(3, 1fr);
    }
}

.footer-brand-col p {
    margin: 15px 0 20px 0;
    font-size: 0.95rem;
    line-height: 1.6;
}

.logo-footer {
    font-size: 1.6rem;
}

.text-white {
    color: var(--white);
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background-color: rgba(255,255,255,0.06);
    color: var(--secondary);
    padding: 8px 16px;
    border-radius: 4px;
    font-size: 0.85rem;
    font-weight: 600;
}

.footer-title {
    color: var(--white);
    font-size: 1.1rem;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 8px;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: var(--primary);
}

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

.footer-links li {
    margin-bottom: 12px;
}

.footer-links a {
    color: #B5BEC9;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.footer-links a:hover {
    color: var(--secondary);
    transform: translateX(4px);
}

.footer-bottom {
    background-color: #0C1A28;
    padding: 30px 0;
    margin-top: 60px;
    border-top: 1px solid rgba(255,255,255,0.05);
}

.footer-bottom-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    text-align: center;
}

.footer-copyright {
    font-size: 0.85rem;
    margin-bottom: 10px;
    color: #8A93A0;
}

.footer-neutrality-disclaimer {
    font-size: 0.75rem;
    color: #5A6470;
    line-height: 1.5;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes scaleIn {
    from { opacity: 0; transform: scale(0.95); }
    to { opacity: 1; transform: scale(1); }
}

/* Scroll Animation System */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal-on-scroll.revealed {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive adjust */
@media (max-width: 768px) {
    h1 { font-size: 2rem; }
    h2 { font-size: 1.6rem; }
    
    .hero { padding: 40px 0; }
    .hero h1 { font-size: 2.2rem; }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background-color: var(--white);
        border-bottom: 1px solid var(--border-color);
        padding: 20px;
        box-shadow: var(--shadow-lg);
        opacity: 0;
        visibility: hidden;
        transform: translateY(-15px);
        transition: var(--transition);
        z-index: 999;
    }
    
    .nav-menu.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-list {
        flex-direction: column;
        align-items: stretch;
        gap: 15px;
    }
    
    .dropdown-menu {
        position: static;
        box-shadow: none;
        border: none;
        padding: 0;
        max-height: 0;
        overflow: hidden;
        opacity: 1;
        visibility: visible;
        transform: none;
        background-color: var(--light-bg);
        border-radius: var(--radius);
        margin-top: 10px;
    }
    
    .dropdown-menu.active {
        max-height: 500px;
    }
    
    .cta-nav {
        margin-top: 10px;
    }
}