:root {
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #f1f5f9;
    --accent-color: #06b6d4;
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-light: #94a3b8;
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: var(--font-sans);
    line-height: 1.7;
    color: var(--text-primary);
    background-color: var(--bg-primary);
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.article-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    transition: var(--transition);
}

.nav-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.nav-home {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-primary);
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
}

.nav-home:hover {
    color: var(--primary-color);
    transform: translateX(-2px);
}

.nav-logo-img {
    height: 32px;
    width: auto;
}

.article-hero {
    position: relative;
    background: var(--bg-gradient);
    color: white;
    padding: 8rem 2rem 4rem;
    margin-top: 70px;
    overflow: hidden;
}

.hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.2);
}

.hero-content {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
    z-index: 2;
}

.article-meta {
    margin-bottom: 2rem;
}

.author-info {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
    font-size: 0.875rem;
    opacity: 0.9;
}

.author-info .author {
    font-weight: 500;
}

.author-info .date {
    opacity: 0.8;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
}

.hero-logo-container {
    margin: 2rem 0;
}

.hero-logo-main {
    width: 300px;
    height: auto;
    max-width: 80vw;
    filter: brightness(1.1);
}

.hero-subtitle {
    font-size: 1.5rem;
    font-weight: 300;
    margin-top: 2rem;
    opacity: 0.9;
}

.hero-image {
    display: none;
}

.hero-logo {
    display: none;
}

.article-main {
    padding: 4rem 0;
}

.article-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 0 2rem;
}

.article-section {
    margin-bottom: 4rem;
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.article-section.fade-in {
    opacity: 1;
    transform: translateY(0);
}

/* Section Timestamps */
.section-timestamp {
    display: inline-block;
    background: var(--secondary-color);
    color: var(--text-secondary);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
    border: 1px solid var(--border-color);
}

.section-content {
    background: var(--bg-primary);
    border-radius: 1rem;
    padding: 3rem;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    position: relative;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -0.5rem;
    left: 0;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    border-radius: 2px;
}

.section-intro {
    font-size: 1.125rem;
    color: var(--text-secondary);
    margin-bottom: 2rem;
    line-height: 1.8;
}

.lead-paragraph {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    line-height: 1.8;
    font-weight: 400;
}

.preview-section {
    margin-top: 3rem;
    padding: 2rem;
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    border-radius: 1rem;
    border: 2px solid var(--border-color);
}

.preview-section h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.preview-image-container {
    margin-top: 1.5rem;
    border-radius: 0.75rem;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
}

.preview-image {
    width: 100%;
    height: auto;
    display: block;
    transition: var(--transition);
}

.preview-image:hover {
    transform: scale(1.02);
}

.vision-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.vision-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 1rem;
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.vision-icon {
    width: 80px;
    height: 80px;
    background: var(--primary-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1.5rem;
    color: white;
    font-size: 2rem;
}

.vision-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.team-showcase {
    position: relative;
    margin: 2rem 0;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.team-image {
    width: 100%;
    height: 400px;
    object-fit: cover;
    object-position: center;
}

.team-overlay {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(transparent, rgba(0, 0, 0, 0.8));
    color: white;
    padding: 2rem;
    text-align: center;
}

.team-overlay h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.founders-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 3rem;
}

.founder-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.founder-role {
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    display: inline-block;
    margin-bottom: 1rem;
}

.founder-card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.founder-title {
    color: var(--primary-color);
    font-weight: 500;
    margin-bottom: 1rem;
}

.founder-bio {
    color: var(--text-secondary);
    line-height: 1.6;
}

.tech-stack {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.tech-category {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
}

.tech-category h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.tech-items {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-badge {
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    margin-top: 2rem;
}

.feature-card {
    background: var(--bg-secondary);
    padding: 2rem;
    border-radius: 1rem;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

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

.feature-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

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

.status-card {
    background: linear-gradient(135deg, var(--bg-secondary), var(--bg-primary));
    border: 2px solid var(--border-color);
    border-radius: 1rem;
    overflow: hidden;
}

.status-header {
    background: var(--primary-color);
    color: white;
    padding: 2rem;
    text-align: center;
}

.status-badge {
    display: inline-block;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 1rem;
}

.status-badge.in-progress {
    background: rgba(255, 255, 255, 0.3);
    color: white;
}

.status-header h3 {
    font-size: 1.5rem;
    font-weight: 600;
}

.status-content {
    padding: 2rem;
}

.progress-highlights {
    margin: 2rem 0;
    display: grid;
    gap: 1rem;
}

.highlight-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 0.5rem;
    transition: var(--transition);
}

.highlight-item i {
    color: #10b981;
    font-size: 1.125rem;
}

.highlight-item:last-child i {
    color: var(--accent-color);
}

.coming-soon {
    margin-top: 2rem;
    padding: 1.5rem;
    background: var(--bg-secondary);
    border-radius: 0.75rem;
    border-left: 4px solid var(--primary-color);
}

.coming-soon h4 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--text-primary);
}

.coming-soon p {
    color: var(--text-secondary);
    margin-bottom: 1rem;
    line-height: 1.6;
}

.update-notice {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    background: rgba(99, 102, 241, 0.1);
    border-radius: 0.5rem;
    border: 1px solid rgba(99, 102, 241, 0.2);
}

.update-notice i {
    color: var(--primary-color);
}

.update-notice span {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.cta-card {
    background: var(--bg-gradient);
    color: white;
    text-align: center;
    padding: 3rem;
    border-radius: 1rem;
    position: relative;
    overflow: hidden;
}

.cta-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.1);
}

.cta-card > * {
    position: relative;
    z-index: 1;
}

.cta-card h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.cta-card p {
    font-size: 1.125rem;
    margin-bottom: 2rem;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem 2rem;
    border-radius: 0.5rem;
    text-decoration: none;
    font-weight: 500;
    transition: var(--transition);
    border: 2px solid transparent;
}

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

.cta-button.primary:hover {
    background: var(--bg-secondary);
    transform: translateY(-2px);
}

.cta-button.secondary {
    background: transparent;
    color: white;
    border-color: rgba(255, 255, 255, 0.5);
}

.cta-button.secondary:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: white;
}

footer {
    background: var(--text-primary);
    color: white;
    padding: 2rem 0;
    margin-top: 4rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

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

.footer-info p {
    margin: 0;
    font-size: 0.875rem;
}

.footer-info p:first-child {
    font-weight: 600;
    margin-bottom: 0.25rem;
}

.footer-links {
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: white;
    text-decoration: none;
    font-size: 0.875rem;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-links a:hover {
    opacity: 1;
    color: var(--accent-color);
}

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

.footer-social a {
    color: white;
    font-size: 1.25rem;
    opacity: 0.8;
    transition: var(--transition);
}

.footer-social a:hover {
    opacity: 1;
    color: var(--accent-color);
    transform: translateY(-2px);
}

@media (max-width: 768px) {
    .nav-container {
        padding: 1rem;
    }
    
    .article-hero {
        padding: 6rem 1rem 3rem;
    }
    
    .hero-logo-main {
        width: 250px;
        max-width: 90vw;
    }
    
    .hero-subtitle {
        font-size: 1.25rem;
    }
    
    .author-info {
        flex-direction: column;
        gap: 0.5rem;
    }
    
    .article-container {
        padding: 0 1rem;
    }
    
    .section-content {
        padding: 2rem 1.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .founders-grid {
        grid-template-columns: 1fr;
    }
    
    .team-image {
        height: 250px;
    }
    
    .coming-soon {
        padding: 1rem;
    }
    
    .preview-section {
        padding: 1.5rem;
    }
    
    .footer-content {
        flex-direction: column;
        text-align: center;
        gap: 1.5rem;
    }
    
    .footer-links {
        order: 1;
    }
    
    .footer-info {
        order: 2;
    }
    
    .footer-social {
        order: 3;
    }
}

@media (max-width: 480px) {
    .hero-logo-main {
        width: 200px;
    }
    
    .section-content {
        padding: 1.5rem 1rem;
    }
    
    .preview-section {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-content {
        padding: 1.5rem 1rem;
    }
    
    .cta-card {
        padding: 2rem 1.5rem;
    }
    
    .cta-card h2 {
        font-size: 1.5rem;
    }
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-10px);
    }
}

@media print {
    .article-nav,
    .cta-section,
    .article-footer {
        display: none;
    }
    
    .article-hero {
        margin-top: 0;
    }
    
    .section-content {
        box-shadow: none;
        border: 1px solid var(--border-color);
    }
}

/* Beta Announcement Section */
.beta-announcement {
    background: var(--bg-secondary);
    margin: 2rem 0;
}

.beta-announcement .section-content {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.announcement-card {
    padding: 0;
}

.status-badge.upcoming {
    display: inline-block;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1rem;
}

.announcement-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.announcement-card p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.7;
}

.announcement-card .lead-paragraph {
    font-size: 1.1rem;
    color: var(--text-primary);
}

/* Countdown Timer */
.countdown-container {
    background: var(--bg-secondary);
    border-radius: 8px;
    padding: 2rem;
    margin-top: 2rem;
    border: 1px solid var(--border-color);
}

.countdown-container h4 {
    text-align: center;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-size: 1.125rem;
    font-weight: 600;
}

.countdown-timer {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.countdown-item {
    text-align: center;
    background: var(--bg-primary);
    border-radius: 8px;
    padding: 1.5rem 1rem;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.countdown-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    line-height: 1;
    margin-bottom: 0.5rem;
    font-family: 'Inter', sans-serif;
}

.countdown-label {
    font-size: 0.875rem;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    font-weight: 500;
}

.launch-details {
    display: grid;
    gap: 0.75rem;
}

.detail-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.75rem 1rem;
    background: var(--bg-primary);
    border-radius: 6px;
    border: 1px solid var(--border-color);
}

.detail-label {
    font-weight: 500;
    color: var(--text-secondary);
}

.detail-value {
    font-weight: 600;
    color: var(--text-primary);
}

.launch-message {
    text-align: center;
    padding: 2rem;
    background: var(--bg-primary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.launch-message i {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    display: block;
}

.launch-message h4 {
    font-size: 1.25rem;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.launch-message p {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Responsive countdown */
@media (max-width: 768px) {
    .countdown-timer {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.75rem;
    }
    
    .countdown-item {
        padding: 1rem 0.5rem;
    }
    
    .countdown-number {
        font-size: 1.75rem;
    }
    
    .countdown-container {
        padding: 1.5rem;
    }
}

@media (max-width: 480px) {
    .countdown-timer {
        grid-template-columns: 1fr 1fr;
        gap: 0.5rem;
    }
    
    .countdown-number {
        font-size: 1.5rem;
    }
    
    .detail-row {
        flex-direction: column;
        text-align: center;
        gap: 0.25rem;
    }
}

/* Platform Preview Section */
.preview-section {
    background: var(--bg-secondary);
    margin: 2rem 0;
}

.preview-section .section-content {
    background: var(--bg-primary);
    border-radius: 12px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border-color);
}

.preview-card {
    padding: 0;
    margin-top: 3rem;
}

.preview-card h3 {
    font-size: 1.5rem;
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.preview-disclaimer {
    background: var(--bg-secondary);
    padding: 1rem;
    border-radius: 8px;
    border-left: 4px solid var(--accent-color);
    margin-bottom: 2rem;
    font-size: 0.95rem;
    color: var(--text-secondary);
}

.preview-disclaimer strong {
    color: var(--text-primary);
}

.dashboard-preview {
    position: relative;
    margin: 2rem 0;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.dashboard-image {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 12px;
}

.preview-overlay {
    position: absolute;
    top: 1rem;
    right: 1rem;
}

.preview-badge {
    background: rgba(99, 102, 241, 0.9);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    backdrop-filter: blur(10px);
}

.feature-highlights {
    margin: 2rem 0;
}

.feature-highlights h4 {
    font-size: 1.125rem;
    color: var(--text-primary);
    margin-bottom: 1.5rem;
    font-weight: 600;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
}

.feature-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: var(--bg-secondary);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

.feature-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.feature-item i {
    color: var(--primary-color);
    margin-right: 0.75rem;
    font-size: 1.125rem;
    width: 20px;
    text-align: center;
}

.feature-item span {
    color: var(--text-primary);
    font-weight: 500;
    font-size: 0.95rem;
}

.development-note {
    background: var(--bg-secondary);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    margin-top: 2rem;
    display: flex;
    align-items: flex-start;
    gap: 1rem;
}

.development-note i {
    color: var(--accent-color);
    margin-top: 0.25rem;
    flex-shrink: 0;
}

.development-note p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.6;
    font-size: 0.95rem;
}

/* Responsive preview section */
@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .preview-overlay {
        top: 0.5rem;
        right: 0.5rem;
    }
    
    .preview-badge {
        font-size: 0.75rem;
        padding: 0.375rem 0.75rem;
    }
    
    .development-note {
        flex-direction: column;
        gap: 0.75rem;
    }
    
    .development-note i {
        margin-top: 0;
    }
}
