/* Base Styles & CSS Variables */
:root {
    --primary-color: #2E6894;
    --secondary-color: #A62420;
    --accent-color: #F39C12;
    --text-primary: #333333;
    --text-secondary: #666666;
    --text-light: #999999;
    --bg-primary: #FFFFFF;
    --bg-secondary: #F5F5F0;
    --bg-dark: #2E6894;
    --bg-hero: #E8E4DC;
    --border-color: #E1E8ED;
    --shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 4px 20px rgba(0, 0, 0, 0.15);
    --border-radius: 8px;
    --transition: all 0.3s ease;
    --max-width: 1200px;
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 3rem;
    --spacing-xl: 4rem;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-primary);
}

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

h1, h2, h3, h4, h5, h6 {
    line-height: 1.2;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }

p {
    margin-bottom: var(--spacing-sm);
}

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

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

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

/* Navigation */
.navbar {
    background-color: var(--bg-primary);
    box-shadow: var(--shadow);
    position: sticky;
    top: 0;
    z-index: 1000;
    padding: var(--spacing-sm) 0;
}

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

.nav-brand a {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.nav-brand .logo {
    height: 50px;
    width: auto;
    display: block;
}

.search-btn button {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-primary);
    cursor: pointer;
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-primary);
    transition: var(--transition);
}

.search-btn button:hover {
    background-color: var(--bg-secondary);
}

.nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 3px;
    background-color: var(--text-primary);
    border-radius: 2px;
    transition: var(--transition);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-menu a {
    color: var(--text-primary);
    font-weight: 500;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--border-radius);
    transition: var(--transition);
}

.nav-menu a:hover,
.nav-menu a.active {
    background-color: var(--bg-secondary);
    color: var(--primary-color);
}

.language-selector select {
    padding: var(--spacing-xs) var(--spacing-sm);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius);
    background-color: var(--bg-primary);
    cursor: pointer;
    font-size: 0.9rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
    font-size: 1rem;
}

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

.btn-primary:hover {
    background-color: #3A7BC8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-hover);
}

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

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.1rem;
}

/* Hero Section */
.hero {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-hero);
    color: var(--text-primary);
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.hero-content h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--secondary-color);
    font-weight: 800;
}

.hero-subtitle {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
    line-height: 1.6;
}

.hero-cta {
    display: flex;
    gap: var(--spacing-sm);
    align-items: center;
    flex-wrap: wrap;
}

.coming-soon-badge {
    background-color: var(--accent-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 600;
}

.app-store-btn {
    display: inline-block;
    transition: var(--transition);
}

.app-store-btn:hover {
    transform: translateY(-3px);
}

.app-store-btn img {
    height: 50px;
    width: auto;
}

.app-store-btn-wrapper {
    position: relative;
    display: inline-block;
}

.app-store-btn-wrapper .coming-soon-badge {
    position: absolute;
    top: -22px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    font-size: 0.75rem;
    padding: 0.25rem 0.75rem;
    white-space: nowrap;
}

.app-store-btn.disabled {
    opacity: 0.6;
    cursor: not-allowed;
    pointer-events: none;
}

.app-store-btn.disabled:hover {
    transform: none;
}

.hero-image img {
    width: 100%;
    max-width: 500px;
    margin: 0 auto;
}

/* Stats Section */
.stats-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-primary);
    text-align: center;
}

.stats-section h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-lg);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    max-width: 900px;
    margin: 0 auto;
}

.stat-card {
    text-align: center;
}

.stat-number {
    font-size: 4rem;
    font-weight: 800;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 500;
}

/* Features Section */
.features {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-dark);
    color: white;
}

.features h2 {
    text-align: center;
    margin-bottom: var(--spacing-sm);
    font-size: 2.5rem;
    color: white;
}

.features-intro {
    text-align: center;
    margin-bottom: var(--spacing-lg);
    opacity: 0.9;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.feature-card {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    text-align: center;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.feature-card:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.15);
}

.feature-icon {
    margin-bottom: var(--spacing-sm);
}

.feature-icon img {
    height: 80px;
    width: 80px;
    margin: 0 auto;
}

.feature-card h3 {
    color: white;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: rgba(255, 255, 255, 0.85);
}

/* CTA Section */
.cta-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-secondary);
}

.cta-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    align-items: center;
}

.cta-image img {
    width: 100%;
    max-width: 400px;
    margin: 0 auto;
}

.cta-text h2 {
    color: var(--secondary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.cta-text p {
    color: var(--text-primary);
    margin-bottom: var(--spacing-sm);
    line-height: 1.6;
}

/* Footer */
.footer {
    background-color: var(--bg-dark);
    color: white;
    padding: var(--spacing-lg) 0 var(--spacing-md);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.footer-section h4 {
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
}

.footer-section ul {
    list-style: none;
}

.footer-section ul li {
    margin-bottom: var(--spacing-xs);
}

.footer-section a {
    color: rgba(255, 255, 255, 0.8);
}

.footer-section a:hover {
    color: white;
}

.social-links {
    display: flex;
    gap: var(--spacing-sm);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    color: rgba(255, 255, 255, 0.6);
}

.footer-bottom p {
    margin-bottom: var(--spacing-xs);
}

.footer-links {
    font-size: 0.9rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    margin: 0 var(--spacing-xs);
}

.footer-links a:hover {
    color: white;
}

/* Page Content */
.page-content {
    min-height: 60vh;
}

.page-hero {
    padding: var(--spacing-xl) 0;
    text-align: center;
    background-color: var(--bg-hero);
    color: var(--text-primary);
}

.page-hero h1 {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
    color: var(--secondary-color);
    font-weight: 800;
}

.page-hero .subtitle {
    font-size: 1.25rem;
    color: var(--text-primary);
    opacity: 0.9;
}

/* Steps Section (How It Works) */
.steps-section {
    padding: var(--spacing-xl) 0;
}

.step {
    display: grid;
    grid-template-columns: 100px 1fr 1fr;
    gap: var(--spacing-md);
    align-items: center;
    margin-bottom: var(--spacing-xl);
}

.step.reverse {
    grid-template-columns: 100px 1fr 1fr;
}

.step.reverse .step-content {
    order: 2;
}

.step.reverse .step-image {
    order: 1;
}

.step-number {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    font-weight: 700;
}

.step-image img {
    max-width: 400px;
    margin: 0 auto;
}

/* Languages Section */
.languages-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-primary);
}

.section-title {
    text-align: center;
    color: var(--secondary-color);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 800;
}

.language-intro {
    max-width: 900px;
    margin: 0 auto var(--spacing-xl);
    line-height: 1.8;
    color: var(--text-primary);
}

.language-intro p {
    margin-bottom: var(--spacing-md);
    font-size: 1.05rem;
}

.language-intro ul {
    margin: var(--spacing-md) 0 var(--spacing-md) var(--spacing-lg);
    list-style-type: disc;
}

.language-intro ul li {
    margin-bottom: var(--spacing-sm);
    padding-left: var(--spacing-xs);
}

.language-intro .language-disclaimer {
    background-color: var(--bg-secondary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--accent-color);
    margin-top: var(--spacing-lg);
    font-size: 0.95rem;
}

.language-intro .language-disclaimer em {
    color: var(--text-secondary);
}

.language-intro .language-disclaimer a {
    color: var(--primary-color);
    text-decoration: underline;
}

.language-intro .language-disclaimer a:hover {
    color: var(--secondary-color);
}

.languages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.language-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
}

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

.language-flag {
    font-size: 4rem;
    margin-bottom: var(--spacing-sm);
}

.language-stats {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-md);
}

.coming-soon {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
}

.languages-list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-lg);
}

.language-item {
    padding: var(--spacing-sm);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    transition: var(--transition);
    font-size: 1rem;
    color: var(--text-primary);
}

.language-item:hover {
    background-color: var(--bg-hero);
    transform: translateY(-2px);
}

.language-request {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-lg);
}

.language-request p {
    margin-bottom: 0;
    color: var(--text-secondary);
}

/* Pricing */
.pricing-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-primary);
}

.pricing-main-title {
    text-align: center;
    color: var(--secondary-color);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.pricing-subtitle {
    text-align: center;
    color: var(--text-secondary);
    font-size: 1.15rem;
    margin-bottom: var(--spacing-sm);
}

.pricing-note {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.95rem;
    font-style: italic;
    margin-bottom: var(--spacing-lg);
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.pricing-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    position: relative;
    transition: var(--transition);
    border: 2px solid var(--border-color);
}

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

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

.pricing-card .badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--secondary-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.pricing-card .trial-badge {
    background-color: var(--accent-color);
}

.pricing-card h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
}

.card-description {
    color: var(--text-secondary);
    font-size: 0.95rem;
    margin-bottom: var(--spacing-md);
    min-height: 40px;
}

.price {
    margin: var(--spacing-md) 0;
    font-size: 3rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price .currency {
    font-size: 1.5rem;
    vertical-align: super;
}

.price .amount {
    font-size: 3rem;
}

.price .period {
    font-size: 1rem;
    color: var(--text-secondary);
}

.trial-duration {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--accent-color);
}

.pay-as-you-go {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

.price-options {
    margin: var(--spacing-md) 0;
}

.price-option {
    margin-bottom: var(--spacing-sm);
}

.price-divider {
    color: var(--text-secondary);
    font-weight: 600;
    margin: var(--spacing-sm) 0;
}

.billing-info {
    color: var(--text-secondary);
    font-size: 0.85rem;
    margin-top: var(--spacing-xs);
}

.features-list {
    list-style: none;
    text-align: left;
    margin: var(--spacing-md) 0;
}

.features-list li {
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-primary);
    font-size: 0.95rem;
}

.pricing-card .btn {
    margin-top: var(--spacing-md);
    width: 100%;
}

.pricing-info {
    background-color: var(--bg-secondary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-xl);
}

.pricing-info h2 {
    text-align: center;
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-md);
}

.info-card {
    background-color: var(--bg-primary);
    padding: var(--spacing-md);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
}

.info-card h4 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.info-card p {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: 0;
}

.pricing-faq {
    margin-top: var(--spacing-xl);
}

/* FAQ */
.faq-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-primary);
}

.faq-main-title {
    text-align: center;
    color: var(--secondary-color);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-lg);
    font-weight: 700;
}

.faq-list {
    max-width: 900px;
    margin: 0 auto;
}

.faq-item {
    background-color: var(--bg-primary);
    padding: 0;
    margin-bottom: 0;
    border-bottom: 1px solid var(--border-color);
    transition: var(--transition);
}

.faq-item:last-child {
    border-bottom: none;
}

.faq-question {
    color: var(--primary-color);
    margin-bottom: 0;
    padding: var(--spacing-md) 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    user-select: none;
    position: relative;
    font-weight: 600;
    font-size: 1.1rem;
    transition: var(--transition);
}

.faq-question:hover {
    opacity: 0.8;
}

.faq-question::after {
    content: '▼';
    font-size: 0.7rem;
    color: var(--primary-color);
    transition: transform 0.3s ease;
    flex-shrink: 0;
    margin-left: var(--spacing-sm);
}

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

.faq-answer {
    color: var(--text-secondary);
    line-height: 1.8;
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.3s ease, opacity 0.3s ease, padding 0.3s ease;
    padding: 0;
}

.faq-item.active .faq-answer {
    padding-bottom: var(--spacing-md);
}

.faq-answer p {
    margin-bottom: 0;
}

.contact-section {
    text-align: center;
    padding: var(--spacing-lg);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-xl);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

/* Roadmap */
.roadmap-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-primary);
}

.roadmap-intro {
    text-align: center;
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.roadmap-timeline {
    position: relative;
    padding-left: 50px;
}

.roadmap-timeline::before {
    content: '';
    position: absolute;
    left: 20px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(180deg, var(--primary-color) 0%, var(--secondary-color) 100%);
}

.roadmap-item {
    position: relative;
    padding: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: var(--transition);
    border: 2px solid var(--border-color);
}

.roadmap-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-hover);
}

.roadmap-item::before {
    content: '';
    position: absolute;
    left: -38px;
    top: 30px;
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background-color: var(--bg-primary);
    border: 4px solid var(--primary-color);
}

.roadmap-item.completed::before {
    background-color: var(--secondary-color);
    border-color: var(--secondary-color);
}

.roadmap-item.in-progress::before {
    background-color: var(--accent-color);
    border-color: var(--accent-color);
}

.roadmap-status {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.roadmap-item.completed .roadmap-status {
    background-color: var(--secondary-color);
    color: white;
}

.roadmap-item.in-progress .roadmap-status {
    background-color: var(--accent-color);
    color: white;
}

.roadmap-item.planned .roadmap-status {
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
}

.roadmap-item h3 {
    color: var(--primary-color);
    font-size: 1.5rem;
    margin-bottom: var(--spacing-sm);
    font-weight: 700;
}

.roadmap-item p {
    color: var(--text-secondary);
    line-height: 1.6;
}

.roadmap-item ul {
    list-style: none;
    margin-top: var(--spacing-sm);
}

.roadmap-item ul li {
    padding: var(--spacing-sm) 0;
    color: var(--text-primary);
    line-height: 1.6;
    border-bottom: 1px solid var(--border-color);
}

.roadmap-item ul li:last-child {
    border-bottom: none;
}

.roadmap-cta {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-top: var(--spacing-xl);
}

.roadmap-cta h2 {
    color: var(--secondary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
    font-weight: 700;
}

.roadmap-cta p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* How It Works Page */
.how-it-works-hero {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-primary);
    text-align: center;
}

.how-it-works-hero h1 {
    color: var(--secondary-color);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    font-weight: 800;
}

.how-it-works-hero .hero-description {
    font-size: 1.1rem;
    color: var(--text-primary);
    line-height: 1.8;
    max-width: 900px;
    margin: 0 auto;
}

.learning-principles {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-primary);
}

.principles-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
}

.principle-card {
    background-color: var(--bg-hero);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    transition: var(--transition);
    min-height: 200px;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
}

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

.principle-card h3 {
    color: var(--primary-color);
    font-size: 1.25rem;
    margin-bottom: 0;
    font-weight: 700;
    opacity: 1;
    transition: opacity 0.3s ease;
    position: absolute;
    text-align: center;
    padding: var(--spacing-sm);
}

.principle-card:hover h3 {
    opacity: 0;
    pointer-events: none;
}

.principle-card p {
    color: var(--text-primary);
    line-height: 1.6;
    font-size: 0.95rem;
    opacity: 0;
    transition: opacity 0.3s ease;
    margin-bottom: 0;
}

.principle-card:hover p {
    opacity: 1;
}

.experience-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-secondary);
    text-align: center;
}

.experience-section h2 {
    color: var(--primary-color);
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.experience-section p {
    font-size: 1.1rem;
    color: var(--text-primary);
    line-height: 1.8;
    max-width: 800px;
    margin: 0 auto var(--spacing-md);
}

.how-it-works-image {
    width: 100%;
}

.how-it-works-image img {
    width: 100%;
    height: auto;
    display: block;
}

/* Privacy Policy Pages */
.content-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-primary);
}

.privacy-content {
    max-width: 900px;
    margin: 0 auto;
    line-height: 1.8;
}

.privacy-content .intro-text {
    font-size: 1.1rem;
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
    font-style: italic;
}

.privacy-content h2 {
    color: var(--primary-color);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-size: 1.75rem;
}

.privacy-content h3 {
    color: var(--secondary-color);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.privacy-content p {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.privacy-content ul {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.privacy-content ul li {
    color: var(--text-primary);
    margin-bottom: var(--spacing-xs);
}

.privacy-content strong {
    color: var(--primary-color);
    font-weight: 600;
}

.privacy-content .closing-text {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    border-left: 4px solid var(--primary-color);
    font-style: italic;
}

.privacy-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-xl);
    flex-wrap: wrap;
}

/* Data Deletion Section */
.data-deletion-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-secondary);
}

.deletion-content {
    max-width: 900px;
    margin: 0 auto;
}

.deletion-content h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 2rem;
}

.deletion-content h3 {
    color: var(--secondary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.5rem;
}

.deletion-content ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.deletion-content ol li {
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.deletion-content ul {
    margin-left: var(--spacing-lg);
    margin-top: var(--spacing-sm);
}

.deletion-content ul li {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-xs);
}

.deletion-form-container {
    background-color: var(--bg-primary);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-top: var(--spacing-xl);
}

.form-intro {
    color: var(--text-secondary);
    margin-bottom: var(--spacing-lg);
}

.deletion-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

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

.form-group label {
    color: var(--text-primary);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    font-size: 0.95rem;
}

.form-group .required {
    color: var(--secondary-color);
}

.form-group input,
.form-group textarea {
    padding: var(--spacing-sm);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-family: inherit;
    font-size: 1rem;
    transition: var(--transition);
    background-color: var(--bg-primary);
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 104, 148, 0.1);
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

.deletion-form .btn {
    margin-top: var(--spacing-md);
    max-width: 200px;
    align-self: flex-start;
}

/* Blog Section */
.blog-section {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-primary);
}

.blog-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-xl);
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.blog-search {
    display: flex;
    gap: var(--spacing-xs);
    flex: 1;
    min-width: 250px;
    max-width: 400px;
}

.blog-search input {
    flex: 1;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    font-size: 1rem;
    transition: var(--transition);
}

.blog-search input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(46, 104, 148, 0.1);
}

.blog-search button {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--border-radius);
    cursor: pointer;
    transition: var(--transition);
}

.blog-search button:hover {
    background-color: #3A7BC8;
}

.blog-filters {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
}

.filter-btn {
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--bg-secondary);
    color: var(--text-primary);
    border: 2px solid transparent;
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.filter-btn:hover {
    background-color: var(--bg-hero);
}

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

/* Featured Posts */
.featured-posts {
    margin-bottom: var(--spacing-xl);
}

.featured-post-card {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    margin-bottom: var(--spacing-lg);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
    transition: var(--transition);
}

.featured-post-card:has(.featured-post-image[style*="display: none"]) {
    grid-template-columns: 1fr;
}

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

.featured-post-image {
    position: relative;
    overflow: hidden;
    min-height: 300px;
}

.featured-post-image[style*="display: none"] {
    min-height: 0;
    height: 0;
    margin: 0;
    padding: 0;
}

.featured-post-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.featured-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background-color: var(--accent-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.featured-post-content {
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.featured-post-content h2 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
    font-size: 2rem;
}

.post-excerpt {
    color: var(--text-secondary);
    line-height: 1.6;
    margin-bottom: var(--spacing-md);
}

/* Blog Grid */
.blog-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--spacing-lg);
}

.blog-card {
    background-color: var(--bg-primary);
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    display: flex;
    flex-direction: column;
}

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

.blog-card-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    min-height: 200px;
}

.blog-card-image[style*="display: none"] {
    min-height: 0;
    height: 0;
    margin: 0;
    padding: 0;
}

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

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

.blog-card-content {
    padding: var(--spacing-md);
    flex: 1;
    display: flex;
    flex-direction: column;
}

.blog-card h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
    font-size: 1.25rem;
}

.blog-card .post-excerpt {
    flex: 1;
    margin-bottom: var(--spacing-md);
}

.post-tags {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    margin-bottom: var(--spacing-sm);
}

.tag {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    background-color: var(--bg-secondary);
    color: var(--text-secondary);
    font-size: 0.75rem;
    border-radius: 20px;
    font-weight: 500;
}

.post-meta {
    display: flex;
    gap: var(--spacing-sm);
    color: var(--text-light);
    font-size: 0.85rem;
    margin-bottom: var(--spacing-sm);
}

.post-author::after {
    content: '•';
    margin-left: var(--spacing-sm);
}

.read-more {
    color: var(--primary-color);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
    margin-top: auto;
}

.read-more:hover {
    color: var(--secondary-color);
    transform: translateX(5px);
}

/* Blog Loading & Empty States */
.blog-loading,
.blog-empty {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

/* Individual Blog Post Page */
.blog-post-page {
    padding: var(--spacing-xl) 0;
    background-color: var(--bg-primary);
}

.back-link {
    margin-bottom: var(--spacing-lg);
}

.back-link a {
    color: var(--primary-color);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    transition: var(--transition);
}

.back-link a:hover {
    color: var(--secondary-color);
    transform: translateX(-5px);
}

.blog-post-content {
    max-width: 900px;
    margin: 0 auto;
}

.post-image {
    margin-bottom: var(--spacing-xl);
    border-radius: var(--border-radius);
    overflow: hidden;
}

.post-image img {
    width: 100%;
    height: auto;
    max-height: 500px;
    object-fit: cover;
}

.post-header {
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.post-header h1 {
    color: var(--primary-color);
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.post-body {
    line-height: 1.8;
    color: var(--text-primary);
    margin-bottom: var(--spacing-xl);
}

.post-body h2 {
    color: var(--primary-color);
    margin-top: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
    font-size: 1.75rem;
}

.post-body h3 {
    color: var(--secondary-color);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
    font-size: 1.35rem;
}

.post-body h4 {
    color: var(--primary-color);
    margin-top: var(--spacing-md);
    margin-bottom: var(--spacing-sm);
}

.post-body p {
    margin-bottom: var(--spacing-md);
}

.post-body ul,
.post-body ol {
    margin-left: var(--spacing-lg);
    margin-bottom: var(--spacing-md);
}

.post-body ul li,
.post-body ol li {
    margin-bottom: var(--spacing-sm);
}

.post-body strong {
    color: var(--primary-color);
    font-weight: 600;
}

.post-body a {
    color: var(--primary-color);
    text-decoration: underline;
}

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

/* Share Section */
.post-share {
    padding: var(--spacing-lg);
    background-color: var(--bg-secondary);
    border-radius: var(--border-radius);
    margin-bottom: var(--spacing-xl);
    text-align: center;
}

.post-share h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-md);
}

.share-buttons {
    display: flex;
    gap: var(--spacing-sm);
    justify-content: center;
    flex-wrap: wrap;
}

.share-btn {
    padding: var(--spacing-sm) var(--spacing-md);
    background-color: var(--bg-primary);
    color: var(--text-primary);
    border: 2px solid var(--border-color);
    border-radius: var(--border-radius);
    cursor: pointer;
    font-weight: 500;
    transition: var(--transition);
}

.share-btn:hover {
    background-color: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
    transform: translateY(-2px);
}

/* Related Posts */
.related-posts {
    margin-top: var(--spacing-xl);
    padding-top: var(--spacing-xl);
    border-top: 2px solid var(--border-color);
}

.related-posts h3 {
    color: var(--primary-color);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    font-size: 1.75rem;
}