/* ==========================================================================
   CSS PRINCIPAL - ÉLAN MAGAZINE
   Conception moderne, épurée, responsive et inspirante
   Polices : Fraunces (Titres éditoriaux) & Inter (Corps de texte)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Playfair+Display:ital,wght@0,400;0,600;0,700;0,800;1,400&display=swap');

:root {
    --primary: #E8504D;
    --primary-dark: #D43F3C;
    --primary-light: #FCE9E8;
    --secondary: #1A2238;
    --accent: #E8504D; /* Une pointe de rose vif pour dynamiser */
    --slate-900: #11182B;
    --slate-800: #1A2238;
    --slate-700: #4A5268;
    --slate-600: #6B7385;
    --slate-400: #B7B0A4;
    --slate-100: #E2DCD0;
    --slate-50: #F5F1EA;
    --white: #FFFFFF;
    
    --font-serif: 'Fraunces', Georgia, serif;
    --font-sans: 'Inter', system-ui, sans-serif;
    
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --transition-fast: 0.15s ease;
    --transition-base: 0.3s ease;
    --surface: #FFFFFF;
    --on-primary: #FFFFFF;
    --callout-bg: #FDF6EC;
    --callout-text: #8A4B14;
    --callout-border: #EBD7B3;
}

/* Base resets & styles */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    -webkit-text-size-adjust: 100%;
}

body {
    font-family: var(--font-sans);
    color: var(--slate-800);
    background-color: var(--slate-50);
    line-height: 1.6;
    overflow-x: hidden;
}

/* Typography & Magazine feels */
h1, h2, h3, h4 {
    font-family: var(--font-serif);
    color: var(--slate-900);
    font-weight: 700;
    line-height: 1.25;
}

h1 {
    font-size: 2.5rem;
}

h2 {
    font-size: 2rem;
    margin-bottom: 1rem;
    position: relative;
    padding-bottom: 0.5rem;
}

h2::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 60px;
    height: 4px;
    background-color: var(--primary);
    border-radius: var(--radius-full);
}

h3 {
    font-size: 1.5rem;
    margin-bottom: 0.75rem;
}

p {
    margin-bottom: 1.25rem;
    font-size: 1rem;
    color: var(--slate-700);
}

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

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

.lead {
    font-size: 1.15rem;
    color: var(--slate-600);
    font-weight: 300;
    line-height: 1.7;
}

/* Lettrine magazine */
.dropcap::first-letter {
    font-family: var(--font-serif);
    font-size: 4rem;
    float: left;
    margin-right: 0.5rem;
    line-height: 0.8;
    font-weight: 800;
    color: var(--primary);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    padding: 0.25rem 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--radius-full);
    background-color: var(--primary-light);
    color: var(--primary-dark);
    margin-bottom: 1rem;
}

.badge-accent {
    background-color: #fee2e2;
    color: #991b1b;
}

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

/* Header & Navigation */
header.site-header {
    background-color: var(--white);
    border-bottom: 1px solid var(--slate-100);
    position: sticky;
    top: 0;
    z-index: 50;
    box-shadow: var(--shadow-sm);
}

.header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.site-logo {
    font-family: var(--font-serif);
    font-size: 2.25rem;
    font-weight: 900;
    letter-spacing: -0.02em;
    color: var(--slate-900);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.site-logo span {
    color: var(--primary);
    position: relative;
}

.site-logo span::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--secondary);
    z-index: -1;
}

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

.nav-links a {
    font-weight: 500;
    font-size: 0.95rem;
    color: var(--slate-700);
    padding: 0.5rem 0;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary);
    transition: var(--transition-base);
}

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

.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}

.nav-cta {
    background-color: var(--primary);
    color: var(--white) !important;
    padding: 0.6rem 1.25rem !important;
    border-radius: var(--radius-md);
    font-weight: 600;
}

.nav-cta:hover {
    background-color: var(--primary-dark);
}

/* Burger menu (mobile) */
.mobile-menu-toggle {
    display: none;
    background: none;
    border: none;
    color: var(--slate-900);
    cursor: pointer;
}

/* Hero Section */
.hero {
    padding: 5rem 0;
    background: linear-gradient(135deg, var(--white) 0%, var(--primary-light) 100%);
    position: relative;
    overflow: hidden;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 650px;
}

.hero-tagline {
    font-size: 1rem;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.hero h1 {
    font-size: 3.5rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.hero h1 em {
    font-family: var(--font-serif);
    font-style: italic;
    font-weight: 400;
    color: var(--primary);
}

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

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.8rem 1.75rem;
    font-weight: 600;
    font-size: 1rem;
    border-radius: var(--radius-md);
    transition: var(--transition-base);
    cursor: pointer;
    border: none;
}

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

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

.btn-secondary {
    background-color: var(--white);
    color: var(--primary);
    border: 1px solid var(--primary-light);
}

.btn-secondary:hover {
    background-color: var(--slate-100);
    transform: translateY(-2px);
}

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

.hero-img {
    width: 100%;
    height: 480px;
    object-fit: cover;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
}

/* Manifesto Banner */
.manifesto-banner {
    background-color: var(--slate-900);
    color: var(--white);
    padding: 4rem 0;
    position: relative;
}

.manifesto-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.manifesto-title {
    color: var(--secondary);
    font-size: 1.25rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.manifesto-text {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    line-height: 1.5;
    font-weight: 400;
    color: var(--slate-100);
}

/* Main Grid - Home page */
.editorial-grid {
    padding: 5rem 0;
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 4rem;
}

.section-header h2::after {
    left: 50%;
    transform: translateX(-50%);
}

.articles-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 3rem;
}

/* Article Cards */
.article-card {
    background-color: var(--white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: var(--transition-base);
    display: flex;
    flex-direction: column;
}

.article-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-xl);
}

.card-img-wrapper {
    position: relative;
    height: 280px;
    overflow: hidden;
}

.card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-base);
}

.article-card:hover .card-img {
    transform: scale(1.05);
}

.card-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-meta {
    font-size: 0.85rem;
    color: var(--slate-400);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}

.card-title {
    font-size: 1.6rem;
    margin-bottom: 1rem;
}

.card-text {
    color: var(--slate-600);
    margin-bottom: 1.5rem;
    flex-grow: 1;
    font-size: 0.95rem;
}

.card-action {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    font-size: 0.95rem;
}

/* Tool Block in articles / Quick tool highlight */
.interactive-tool-highlight {
    background: linear-gradient(135deg, #e0f2fe 0%, #bae6fd 100%);
    border: 1px solid var(--secondary);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    margin-top: auto;
    display: flex;
    align-items: center;
    gap: 1.25rem;
}

.tool-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-md);
    background-color: var(--primary);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.tool-desc h4 {
    font-family: var(--font-sans);
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 0.15rem;
}

.tool-desc p {
    font-size: 0.85rem;
    margin: 0;
    color: var(--slate-700);
}

/* Inner Page (Article Page Layout) */
.article-header {
    background-color: var(--white);
    padding: 5rem 0 3rem;
    border-bottom: 1px solid var(--slate-100);
}

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

.article-header h1 {
    font-size: 3rem;
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.article-header-meta {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    margin-top: 2rem;
    font-size: 0.9rem;
    color: var(--slate-600);
}

.author-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.author-avatar {
    width: 40px;
    height: 40px;
    border-radius: var(--radius-full);
    object-fit: cover;
}

.article-body-wrapper {
    padding: 5rem 0;
}

.article-body-grid {
    display: grid;
    grid-template-columns: 1.3fr 0.7fr;
    gap: 4rem;
}

.article-main-content {
    background-color: var(--white);
    padding: 3rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.article-section {
    margin-bottom: 3rem;
}

.article-section h3 {
    margin-top: 1.5rem;
}

.article-section ul, .article-section ol {
    margin-bottom: 1.5rem;
    padding-left: 1.5rem;
}

.article-section li {
    margin-bottom: 0.5rem;
    color: var(--slate-700);
}

.quote-box {
    border-left: 4px solid var(--primary);
    background-color: var(--slate-50);
    padding: 1.5rem 2rem;
    margin: 2rem 0;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
}

.quote-box p {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.15rem;
    margin: 0;
    color: var(--slate-800);
}

/* Sidebar & Quick Widgets */
.sidebar-sticky {
    position: sticky;
    top: 100px;
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.sidebar-widget {
    background-color: var(--white);
    padding: 2rem;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.widget-title {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--slate-900);
    margin-bottom: 1.25rem;
    border-bottom: 2px solid var(--slate-100);
    padding-bottom: 0.5rem;
}

/* Dynamic Tools - Forms & Interactive layouts */
.interactive-tool-card {
    background-color: var(--white);
    border: 2px solid var(--primary-light);
    border-radius: var(--radius-lg);
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    margin: 3rem 0;
}

.tool-header {
    text-align: center;
    margin-bottom: 2.5rem;
    border-bottom: 1px dashed var(--slate-400);
    padding-bottom: 1.5rem;
}

.tool-header h3 {
    font-family: var(--font-sans);
    font-weight: 700;
    color: var(--primary);
    font-size: 1.6rem;
    margin-bottom: 0.5rem;
}

.tool-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group-full {
    grid-column: span 2;
}

label {
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--slate-900);
}

input[type="text"],
input[type="number"],
select,
textarea {
    width: 100%;
    padding: 0.75rem 1rem;
    border: 1px solid var(--slate-400);
    border-radius: var(--radius-md);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    color: var(--slate-800);
    transition: var(--transition-fast);
    background-color: var(--white);
}

input:focus, select:focus, textarea:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px var(--primary-light);
}

/* Sliders */
.range-slider-container {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.range-values {
    display: flex;
    justify-content: space-between;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--slate-600);
}

input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 6px;
    background: var(--slate-100);
    border-radius: var(--radius-full);
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 20px;
    height: 20px;
    border-radius: var(--radius-full);
    background: var(--primary);
    cursor: pointer;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

/* Results layout */
.tool-results-box {
    background-color: var(--slate-50);
    border-radius: var(--radius-md);
    padding: 2rem;
    border-top: 4px solid var(--primary);
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
    text-align: center;
}

.result-item {
    padding: 1rem;
    background-color: var(--white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
}

.result-label {
    font-size: 0.8rem;
    text-transform: uppercase;
    font-weight: 600;
    color: var(--slate-600);
    margin-bottom: 0.5rem;
}

.result-value {
    font-size: 1.6rem;
    font-weight: 700;
    color: var(--slate-900);
}

.result-value.highlight {
    color: var(--accent);
}

.tool-actions {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-top: 2rem;
}

/* Comparison cards (reconversion table) */
.comparison-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.comparison-card {
    border: 1px solid var(--slate-100);
    border-radius: var(--radius-md);
    padding: 1.5rem;
    background-color: var(--white);
    transition: var(--transition-base);
}

.comparison-card.recommended {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
    transform: scale(1.02);
}

/* Test Posture Options */
.test-question-card {
    background-color: var(--white);
    border: 1px solid var(--slate-100);
    border-radius: var(--radius-md);
    padding: 2rem;
    margin-bottom: 1.5rem;
}

.test-question-title {
    font-family: var(--font-sans);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--slate-900);
    margin-bottom: 1rem;
}

.test-options {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.option-label {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
    border: 1px solid var(--slate-100);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: var(--transition-fast);
}

.option-label:hover {
    background-color: var(--primary-light);
    border-color: var(--secondary);
}

.option-label input[type="radio"] {
    margin-top: 0.25rem;
}

/* Call To Action Banner */
.cta-banner {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: var(--white);
    padding: 5rem 0;
    text-align: center;
}

.cta-banner h2 {
    color: var(--white);
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.cta-banner h2::after {
    display: none;
}

.cta-banner p {
    color: var(--primary-light);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto 2rem;
}

/* Footer style */
footer.site-footer {
    background-color: var(--slate-900);
    color: var(--slate-400);
    padding: 5rem 0 2rem;
    border-top: 4px solid var(--primary);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 2.5rem;
    margin-bottom: 4rem;
}

.footer-about h3 {
    color: var(--white);
    font-family: var(--font-serif);
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.footer-links h4, .footer-newsletter h4 {
    color: var(--white);
    font-family: var(--font-sans);
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1.5rem;
}

.footer-links ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links a {
    color: var(--slate-400);
}

.footer-links a:hover {
    color: var(--white);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--slate-800);
    padding-top: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.9rem;
}

.social-links {
    display: flex;
    gap: 1rem;
}

.social-icon {
    width: 36px;
    height: 36px;
    border-radius: var(--radius-full);
    background-color: var(--slate-800);
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition-base);
}

.social-icon:hover {
    background-color: var(--primary);
    transform: translateY(-2px);
}

/* Scroll Entrance Animations */
.reveal-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

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

/* ==========================================================================
   EDTECH SPONSORING & SPONSORED FORMATIONS CARDS
   ========================================================================== */
.sponsored-courses-container {
    margin-top: 3rem;
    border-top: 2px dashed var(--slate-200);
    padding-top: 3rem;
}

.sponsored-courses-title {
    font-family: var(--font-serif);
    font-size: 1.8rem;
    color: var(--slate-900);
    margin-bottom: 0.5rem;
    text-align: center;
}

.sponsored-courses-subtitle {
    font-size: 0.95rem;
    color: var(--slate-500);
    text-align: center;
    margin-bottom: 2.5rem;
}

.sponsored-card {
    background: var(--white);
    border: 1px solid var(--slate-200);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    overflow: hidden;
    display: grid;
    grid-template-columns: 240px 1fr;
    transition: var(--transition-base);
    margin-bottom: 2rem;
}

.sponsored-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary);
}

.sponsored-card-img-wrapper {
    position: relative;
    height: 100%;
    min-height: 220px;
}

.sponsored-card-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.sponsored-card-badge-top {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background-color: var(--primary);
    color: var(--white);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    padding: 0.35rem 0.75rem;
    border-radius: var(--radius-sm);
    box-shadow: var(--shadow-sm);
    z-index: 5;
}

.sponsored-card-content {
    padding: 2rem;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.sponsored-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 0.75rem;
}

.sponsored-card-school {
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 700;
    color: var(--primary);
}

.sponsored-card-rating {
    font-size: 0.85rem;
    color: #fbbf24;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.sponsored-card-title {
    font-family: var(--font-sans);
    font-size: 1.3rem;
    font-weight: 700;
    color: var(--slate-900);
    margin-bottom: 0.75rem;
}

.sponsored-card-desc {
    font-size: 0.9rem;
    color: var(--slate-600);
    margin-bottom: 1.25rem;
    line-height: 1.5;
}

.sponsored-card-features {
    list-style: none;
    margin-bottom: 1.5rem;
    display: grid;
    grid-template-columns: 1fr;
    gap: 0.5rem;
}

.sponsored-card-feature-item {
    font-size: 0.85rem;
    color: var(--slate-700);
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.sponsored-card-feature-item i {
    color: #16a34a;
    width: 14px;
    height: 14px;
    flex-shrink: 0;
}

.sponsored-card-footer {
    border-top: 1px dashed var(--slate-200);
    padding-top: 1.25rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.sponsored-card-price-calc {
    display: flex;
    flex-direction: column;
    gap: 0.15rem;
}

.sponsored-card-orig-price {
    font-size: 0.8rem;
    color: var(--slate-400);
    text-decoration: line-through;
}

.sponsored-card-final-price {
    font-size: 1.3rem;
    font-weight: 800;
    color: #16a34a;
}

.sponsored-card-final-price span {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--slate-500);
}

/* ==========================================================================
   RESPONSIVE DESIGN (Media Queries)
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-grid {
        gap: 2rem;
    }
    
    .hero h1 {
        font-size: 2.75rem;
    }
    
    .articles-grid {
        gap: 2rem;
    }
    
    .article-header-grid {
        gap: 2rem;
    }
    
    .article-body-grid {
        grid-template-columns: 1fr;
    }
    
    .sidebar-sticky {
        position: static;
    }
    
    .comparison-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .header-container {
        height: 70px;
    }
    
    .nav-links {
        display: none; /* Implemented toggle logic if needed, simple mobile responsive header */
    }
    
    .mobile-menu-toggle {
        display: block;
    }
    
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .hero-actions {
        justify-content: center;
    }
    
    .hero-img {
        height: 320px;
    }
    
    .articles-grid {
        grid-template-columns: 1fr;
    }
    
    .article-header-grid {
        grid-template-columns: 1fr;
    }
    
    .article-header {
        padding: 3rem 0;
    }
    
    .article-header h1 {
        font-size: 2.25rem;
    }
    
    .article-main-content {
        padding: 1.5rem;
    }
    
    .interactive-tool-card {
        padding: 1.5rem;
    }
    
    .tool-grid {
        grid-template-columns: 1fr;
    }
    
    .form-group-full {
        grid-column: span 1;
    }
    
    .results-grid {
        grid-template-columns: 1fr;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }
    
    .footer-bottom {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }

    .sponsored-card {
        grid-template-columns: 1fr;
    }
    .sponsored-card-img-wrapper {
        height: 200px;
        min-height: auto;
    }
}