/* === EIFFEL TOWER TICKETS - MAIN STYLES === */

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

:root {
    --color-primary: #1a365d;
    --color-secondary: #c9a227;
    --color-accent: #2c5282;
    --color-gold: #d4af37;
    --color-dark: #1a202c;
    --color-light: #f7fafc;
    --color-gray: #718096;
    --color-gray-light: #e2e8f0;
    --color-white: #ffffff;
    --color-success: #38a169;
    --color-warning: #dd6b20;
    
    --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;
    
    --shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 6px rgba(0,0,0,0.1);
    --shadow-lg: 0 10px 15px rgba(0,0,0,0.1);
    --shadow-xl: 0 20px 25px rgba(0,0,0,0.15);
    
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 16px;
    --radius-full: 9999px;
    
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-primary);
    line-height: 1.6;
    color: var(--color-dark);
    background-color: var(--color-white);
}

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

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

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
}

h1 { font-size: clamp(2rem, 5vw, 3rem); }
h2 { font-size: clamp(1.5rem, 4vw, 2.25rem); }
h3 { font-size: clamp(1.25rem, 3vw, 1.75rem); }

p {
    margin-bottom: 1rem;
    max-width: 75ch;
}

ul, ol {
    margin-left: 1.5rem;
    margin-bottom: 1rem;
}

li {
    margin-bottom: 0.5rem;
}

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

.container-narrow {
    max-width: 900px;
}

/* === HEADER === */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: var(--color-white);
    box-shadow: var(--shadow-md);
}

.header-top {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 0.5rem 0;
    font-size: 0.85rem;
}

.header-top-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.disclaimer-inline {
    opacity: 0.9;
    font-size: 0.75rem;
}

.disclaimer-inline a {
    color: var(--color-secondary);
    text-decoration: underline;
}

.header-main {
    padding: 1rem 0;
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
}

.logo img {
    height: 50px;
    width: auto;
}

.logo span {
    color: var(--color-secondary);
}

/* Navigation */
.nav-main {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 1.5rem;
    margin: 0;
}

.nav-menu a {
    color: var(--color-dark);
    font-weight: 500;
    padding: 0.5rem;
    position: relative;
}

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

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

/* Mobile Menu Toggle */
.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 0.5rem;
}

.nav-toggle span {
    display: block;
    width: 25px;
    height: 2px;
    background: var(--color-dark);
    transition: var(--transition);
}

/* Language Selector */
.lang-selector {
    position: relative;
}

.lang-current {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background: var(--color-gray-light);
    border: none;
    border-radius: var(--radius-md);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.lang-current:hover {
    background: var(--color-gray);
    color: var(--color-white);
}

.lang-dropdown {
    position: absolute;
    top: 100%;
    right: 0;
    min-width: 200px;
    max-height: 400px;
    overflow-y: auto;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-xl);
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: var(--transition);
    z-index: 100;
}

.lang-selector:hover .lang-dropdown,
.lang-dropdown.show {
    opacity: 1;
    visibility: visible;
    transform: translateY(5px);
}

.lang-dropdown a {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1rem;
    color: var(--color-dark);
    border-bottom: 1px solid var(--color-gray-light);
}

.lang-dropdown a:last-child {
    border-bottom: none;
}

.lang-dropdown a:hover {
    background: var(--color-light);
    color: var(--color-secondary);
}

.lang-flag {
    width: 24px;
    height: 16px;
    object-fit: cover;
    border-radius: 2px;
}

/* CTA Button Header */
.btn-cta-header {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    background: linear-gradient(135deg, var(--color-secondary), var(--color-gold));
    color: var(--color-white);
    font-weight: 600;
    border-radius: var(--radius-full);
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.btn-cta-header:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
    color: var(--color-white);
}

/* === HERO SECTION === */
.hero {
    position: relative;
    min-height: 80vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
    color: var(--color-white);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
    padding: 4rem 0;
}

.hero-text h1 {
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

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

.hero-subtitle {
    font-size: 1.25rem;
    opacity: 0.9;
    margin-bottom: 2rem;
    max-width: 500px;
}

.hero-features {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    margin-bottom: 2rem;
    list-style: none;
    margin-left: 0;
}

.hero-features li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(255,255,255,0.1);
    padding: 0.5rem 1rem;
    border-radius: var(--radius-full);
    font-size: 0.9rem;
}

.hero-features li svg {
    color: var(--color-secondary);
}

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

.hero-widget-title {
    color: var(--color-primary);
    font-size: 1.25rem;
    margin-bottom: 1rem;
    text-align: center;
}

/* === BUTTONS === */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    font-weight: 600;
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

.btn-primary {
    background: linear-gradient(135deg, var(--color-secondary), var(--color-gold));
    color: var(--color-white);
    box-shadow: var(--shadow-md);
}

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

.btn-secondary {
    background: var(--color-white);
    color: var(--color-primary);
    border: 2px solid var(--color-primary);
}

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

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

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

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

.btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
}

/* === SECTIONS === */
.section {
    padding: 5rem 0;
}

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

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

.section-dark h2,
.section-dark h3 {
    color: var(--color-white);
}

.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-header h2 {
    margin-bottom: 1rem;
}

.section-header p {
    max-width: 600px;
    margin: 0 auto;
    color: var(--color-gray);
}

/* === QUICK SUMMARY TABLE === */
.quick-summary {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin: 2rem 0;
}

.quick-summary-header {
    background: var(--color-primary);
    color: var(--color-white);
    padding: 1rem 1.5rem;
    font-weight: 600;
}

.quick-summary-table {
    width: 100%;
    border-collapse: collapse;
}

.quick-summary-table th,
.quick-summary-table td {
    padding: 1rem 1.5rem;
    text-align: left;
    border-bottom: 1px solid var(--color-gray-light);
}

.quick-summary-table th {
    background: var(--color-light);
    font-weight: 600;
    color: var(--color-primary);
    width: 40%;
}

.quick-summary-table tr:last-child td,
.quick-summary-table tr:last-child th {
    border-bottom: none;
}

.price-highlight {
    color: var(--color-secondary);
    font-weight: 700;
    font-size: 1.25rem;
}

/* === PRICING CARDS === */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.pricing-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    transition: var(--transition);
    position: relative;
}

.pricing-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
}

.pricing-card.featured {
    border: 3px solid var(--color-secondary);
}

.pricing-card.featured::before {
    content: 'Recommandé';
    position: absolute;
    top: 1rem;
    right: -2rem;
    background: var(--color-secondary);
    color: var(--color-white);
    padding: 0.25rem 2.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    transform: rotate(45deg);
}

.pricing-header {
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    color: var(--color-white);
    padding: 1.5rem;
    text-align: center;
}

.pricing-header h3 {
    color: var(--color-white);
    margin-bottom: 0.5rem;
}

.pricing-header .subtitle {
    opacity: 0.8;
    font-size: 0.9rem;
}

.pricing-price {
    padding: 1.5rem;
    text-align: center;
    background: var(--color-light);
}

.pricing-price .amount {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--color-secondary);
}

.pricing-price .period {
    color: var(--color-gray);
    font-size: 0.9rem;
}

.pricing-body {
    padding: 1.5rem;
}

.pricing-features {
    list-style: none;
    margin: 0 0 1.5rem 0;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    padding: 0.75rem 0;
    border-bottom: 1px solid var(--color-gray-light);
}

.pricing-features li:last-child {
    border-bottom: none;
}

.pricing-features svg {
    flex-shrink: 0;
    color: var(--color-success);
}

.pricing-footer {
    padding: 0 1.5rem 1.5rem;
}

.pricing-footer .btn {
    width: 100%;
}

/* === COMPARISON TABLE === */
.comparison-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    text-align: center;
    border-bottom: 1px solid var(--color-gray-light);
}

.comparison-table th {
    background: var(--color-primary);
    color: var(--color-white);
    font-weight: 600;
}

.comparison-table th:first-child {
    text-align: left;
}

.comparison-table td:first-child {
    text-align: left;
    font-weight: 500;
}

.comparison-table tr:nth-child(even) {
    background: var(--color-light);
}

.comparison-table tr:last-child td {
    border-bottom: none;
}

.check-icon {
    color: var(--color-success);
}

.cross-icon {
    color: var(--color-gray);
}

/* === TIPS BOX === */
.tips-box {
    background: linear-gradient(135deg, #fef3c7, #fde68a);
    border-left: 4px solid var(--color-secondary);
    padding: 1.5rem;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 2rem 0;
}

.tips-box-title {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-weight: 600;
    color: var(--color-dark);
    margin-bottom: 0.75rem;
}

.tips-box p {
    margin-bottom: 0.5rem;
}

.tips-box p:last-child {
    margin-bottom: 0;
}

/* === EXPERT OPINION === */
.expert-box {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-lg);
    margin: 2rem 0;
    position: relative;
}

.expert-box::before {
    content: '"';
    font-family: var(--font-heading);
    font-size: 6rem;
    color: var(--color-secondary);
    opacity: 0.2;
    position: absolute;
    top: 0;
    left: 1rem;
    line-height: 1;
}

.expert-content {
    position: relative;
    z-index: 1;
}

.expert-quote {
    font-style: italic;
    font-size: 1.1rem;
    margin-bottom: 1rem;
    color: var(--color-dark);
}

.expert-author {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.expert-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: var(--color-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    font-weight: 600;
}

.expert-info {
    font-size: 0.9rem;
}

.expert-name {
    font-weight: 600;
    color: var(--color-primary);
}

.expert-role {
    color: var(--color-gray);
}

/* === TIME SLOTS === */
.time-slots {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
}

.time-slot {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 2px solid transparent;
    transition: var(--transition);
}

.time-slot:hover {
    border-color: var(--color-secondary);
}

.time-slot.recommended {
    border-color: var(--color-success);
    position: relative;
}

.time-slot.recommended::before {
    content: '✓ Recommandé';
    position: absolute;
    top: -12px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--color-success);
    color: var(--color-white);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.time-slot-hours {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.time-slot-crowd {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
}

.crowd-low {
    background: #c6f6d5;
    color: #22543d;
}

.crowd-medium {
    background: #fef3c7;
    color: #92400e;
}

.crowd-high {
    background: #fed7d7;
    color: #9b2c2c;
}

.time-slot-desc {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-gray);
}

/* === INFO CARDS === */
.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.info-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 2rem;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
}

.info-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

.info-card-icon {
    width: 60px;
    height: 60px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    margin-bottom: 1.5rem;
}

.info-card h3 {
    margin-bottom: 1rem;
}

.info-card p {
    color: var(--color-gray);
}

/* === FAQ ACCORDION === */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--color-white);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}

.faq-question {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    text-align: left;
    font-weight: 600;
    color: var(--color-primary);
    font-size: 1rem;
    transition: var(--transition);
}

.faq-question:hover {
    background: var(--color-light);
}

.faq-question svg {
    flex-shrink: 0;
    transition: var(--transition);
}

.faq-item.active .faq-question svg {
    transform: rotate(180deg);
}

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

.faq-item.active .faq-answer {
    max-height: 500px;
}

.faq-answer-inner {
    padding: 0 1.5rem 1.5rem;
    color: var(--color-gray);
}

/* === INTERNAL LINKS SECTION === */
.internal-links {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.internal-link-card {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--color-gray-light);
    transition: var(--transition);
}

.internal-link-card:hover {
    border-color: var(--color-secondary);
    box-shadow: var(--shadow-md);
    transform: translateX(5px);
}

.internal-link-icon {
    flex-shrink: 0;
    width: 50px;
    height: 50px;
    border-radius: var(--radius-md);
    background: var(--color-light);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary);
}

.internal-link-content h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
    color: var(--color-primary);
}

.internal-link-content p {
    font-size: 0.85rem;
    color: var(--color-gray);
    margin-bottom: 0;
}

/* === FOOTER === */
.footer {
    background: var(--color-dark);
    color: var(--color-white);
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand .logo {
    color: var(--color-white);
    margin-bottom: 1rem;
}

.footer-brand p {
    color: var(--color-gray);
    font-size: 0.9rem;
    margin-bottom: 1.5rem;
}

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

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-white);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--color-secondary);
}

.footer-column h4 {
    color: var(--color-white);
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
}

.footer-links {
    list-style: none;
    margin: 0;
}

.footer-links li {
    margin-bottom: 0.75rem;
}

.footer-links a {
    color: var(--color-gray);
    font-size: 0.9rem;
}

.footer-links a:hover {
    color: var(--color-secondary);
}

.footer-contact p {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-gray);
    font-size: 0.9rem;
    margin-bottom: 0.75rem;
}

/* Disclaimer Footer */
.footer-disclaimer {
    background: rgba(0,0,0,0.2);
    padding: 1.5rem;
    margin-top: 2rem;
    border-radius: var(--radius-md);
}

.footer-disclaimer p {
    font-size: 0.8rem;
    color: var(--color-gray);
    margin-bottom: 0.5rem;
}

.footer-disclaimer p:last-child {
    margin-bottom: 0;
}

.footer-disclaimer a {
    color: var(--color-secondary);
}

.footer-bottom {
    padding: 1.5rem 0;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-bottom p {
    color: var(--color-gray);
    font-size: 0.85rem;
    margin-bottom: 0;
}

.footer-legal {
    display: flex;
    gap: 2rem;
}

.footer-legal a {
    color: var(--color-gray);
    font-size: 0.85rem;
}

/* === BREADCRUMBS === */
.breadcrumbs {
    padding: 1rem 0;
    background: var(--color-light);
}

.breadcrumbs-list {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem;
    list-style: none;
    margin: 0;
    font-size: 0.875rem;
}

.breadcrumbs-list li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 0;
}

.breadcrumbs-list a {
    color: var(--color-gray);
}

.breadcrumbs-list a:hover {
    color: var(--color-secondary);
}

.breadcrumbs-list span {
    color: var(--color-primary);
    font-weight: 500;
}

/* === TABLE OF CONTENTS === */
.toc {
    background: var(--color-light);
    border-radius: var(--radius-lg);
    padding: 1.5rem 2rem;
    margin: 2rem 0;
}

.toc-title {
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.toc-list {
    list-style: none;
    margin: 0;
    counter-reset: toc;
}

.toc-list li {
    margin-bottom: 0.5rem;
    counter-increment: toc;
}

.toc-list a {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-gray);
    padding: 0.25rem 0;
}

.toc-list a::before {
    content: counter(toc) ".";
    color: var(--color-secondary);
    font-weight: 600;
}

.toc-list a:hover {
    color: var(--color-secondary);
}

/* === ARTICLE CONTENT === */
.article-content {
    max-width: 800px;
    margin: 0 auto;
}

.article-content h2 {
    margin-top: 3rem;
    margin-bottom: 1.5rem;
    padding-top: 1rem;
    border-top: 1px solid var(--color-gray-light);
}

.article-content h2:first-child {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.article-content h3 {
    margin-top: 2rem;
    margin-bottom: 1rem;
}

.article-content img {
    border-radius: var(--radius-lg);
    margin: 2rem 0;
}

.article-content blockquote {
    border-left: 4px solid var(--color-secondary);
    padding-left: 1.5rem;
    margin: 2rem 0;
    font-style: italic;
    color: var(--color-gray);
}

/* === SCHEMA DATA SOURCE === */
.data-source {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    color: var(--color-gray);
    background: var(--color-light);
    padding: 0.25rem 0.75rem;
    border-radius: var(--radius-sm);
    margin-top: 0.5rem;
}

.data-source a {
    color: var(--color-accent);
}

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .hero-content {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-text {
        order: 1;
    }
    
    .hero-widget {
        order: 2;
        max-width: 500px;
        margin: 0 auto;
    }
    
    .hero-subtitle {
        margin: 0 auto 2rem;
    }
    
    .hero-features {
        justify-content: center;
    }
    
    .footer-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .header-inner {
        flex-wrap: wrap;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .nav-main {
        order: 3;
        width: 100%;
        flex-direction: column;
        align-items: stretch;
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.3s ease;
    }
    
    .nav-main.active {
        max-height: 500px;
    }
    
    .nav-menu {
        flex-direction: column;
        gap: 0;
    }
    
    .nav-menu a {
        display: block;
        padding: 1rem;
        border-bottom: 1px solid var(--color-gray-light);
    }
    
    .lang-selector {
        width: 100%;
    }
    
    .lang-current {
        width: 100%;
        justify-content: center;
    }
    
    .btn-cta-header {
        width: 100%;
        justify-content: center;
        margin-top: 1rem;
    }
    
    .hero {
        min-height: auto;
    }
    
    .section {
        padding: 3rem 0;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .footer-social {
        justify-content: center;
    }
    
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    
    .comparison-table {
        display: block;
        overflow-x: auto;
    }
    
    .quick-summary-table th,
    .quick-summary-table td {
        display: block;
        width: 100%;
        padding: 0.75rem 1rem;
    }
    
    .quick-summary-table th {
        border-bottom: none;
        padding-bottom: 0.25rem;
    }
    
    .quick-summary-table td {
        padding-top: 0.25rem;
    }
}

@media (max-width: 480px) {
    html {
        font-size: 14px;
    }
    
    .container {
        padding: 0 1rem;
    }
    
    .hero-content {
        padding: 2rem 0;
    }
    
    .hero-widget {
        padding: 1.5rem;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
    }
    
    .time-slots {
        grid-template-columns: 1fr;
    }
}

/* === UTILITIES === */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }
.mt-5 { margin-top: 3rem; }

.hidden { display: none; }
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

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

.fade-in {
    animation: fadeIn 0.5s ease forwards;
}

/* === PRINT STYLES === */
@media print {
    .header, .footer, .nav-main, .hero-widget, .btn {
        display: none;
    }
    
    .hero {
        min-height: auto;
        padding: 2rem 0;
    }
    
    body {
        font-size: 12pt;
        color: #000;
    }
}