/* About Page Styles - Matching SmartSignReader Design System */

/* Override main layout for about page - Allow scrolling */
.main {
    overflow-y: auto !important;
    overflow-x: hidden;
    height: auto !important;
    min-height: calc(100vh - 80px);
}

.main-container {
    overflow: visible !important;
    height: auto !important;
}

/* About Container */
.about-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: var(--spacing-xl) var(--spacing-md);
    padding-bottom: var(--spacing-xl);
}

/* Hero Section */
.about-hero {
    text-align: center;
    padding: clamp(2rem, 4vw, 3rem) 0;
    margin-bottom: var(--spacing-xl);
}

.about-title {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.about-subtitle {
    font-size: var(--font-size-xl);
    color: var(--color-text-secondary);
    font-weight: 400;
    max-width: 700px;
    margin: 0 auto;
}

/* Section Spacing */
.about-section {
    margin-bottom: var(--spacing-xl);
}

.section-heading {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    text-align: center;
}

/* Section Card - Glassmorphism Style */
.section-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    box-shadow: var(--glass-shadow);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.section-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 12px 40px 0 rgba(16, 185, 129, 0.2);
}

/* Card Icon */
.card-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-lg);
    color: white;
    padding: 0.75rem;
}

.card-logo-image {
    width: 100%;
    height: 100%;
    object-fit: contain;
    filter: drop-shadow(0 2px 4px rgba(0, 0, 0, 0.1));
}

.section-title {
    font-size: var(--font-size-2xl);
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: var(--spacing-md);
}

.section-text {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.section-text:last-child {
    margin-bottom: 0;
}

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

.feature-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    transition: all var(--transition-base);
    cursor: default;
}

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

.feature-icon {
    width: 48px;
    height: 48px;
    background: rgba(16, 185, 129, 0.1);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.feature-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-sm);
}

.feature-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* How It Works - Steps */
.how-it-works {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.03) 0%, rgba(52, 211, 153, 0.03) 100%);
}

.steps-container {
    display: grid;
    gap: var(--spacing-md);
}

.step-item {
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: white;
    border-radius: var(--radius-md);
    border: 1px solid var(--glass-border);
    transition: all var(--transition-base);
}

.step-item:hover {
    border-color: var(--color-primary);
    transform: translateX(4px);
}

.step-number {
    min-width: 40px;
    height: 40px;
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-lg);
    font-weight: 700;
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-title {
    font-size: var(--font-size-lg);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.step-text {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* Technology Stack Grid */
.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: var(--spacing-md);
}

.tech-card {
    background: var(--glass-bg);
    border: 1px solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
}

.tech-card:hover {
    border-color: var(--color-primary);
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.1);
    transform: translateY(-2px);
}

.tech-name {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-text);
    margin-bottom: var(--spacing-xs);
}

.tech-desc {
    font-size: var(--font-size-sm);
    color: var(--color-text-secondary);
}

/* Project Info */
.project-info {
    background: linear-gradient(135deg, rgba(16, 185, 129, 0.05) 0%, rgba(52, 211, 153, 0.05) 100%);
}

.info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.info-label {
    font-size: var(--font-size-sm);
    color: var(--color-text-muted);
    font-weight: 500;
}

.info-value {
    font-size: var(--font-size-base);
    color: var(--color-text);
    font-weight: 600;
}

.info-link {
    font-size: var(--font-size-base);
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: none;
    transition: color var(--transition-fast);
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

.info-link:hover {
    color: var(--color-primary-dark);
    text-decoration: underline;
}

/* CTA Section */
.about-cta {
    text-align: center;
    padding: clamp(2rem, 4vw, 3rem);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    border-radius: var(--radius-xl);
    color: white;
    box-shadow: 0 8px 32px rgba(16, 185, 129, 0.3);
}

.cta-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    margin-bottom: var(--spacing-sm);
}

.cta-text {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    opacity: 0.95;
}

.about-cta .btn-primary {
    background: white;
    color: var(--color-primary);
    border: none;
    font-weight: 700;
}

.about-cta .btn-primary:hover {
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

/* Responsive Design */
@media (max-width: 768px) {
    .about-container {
        padding: var(--spacing-lg) var(--spacing-sm);
    }

    .about-hero {
        padding: var(--spacing-lg) 0;
        margin-bottom: var(--spacing-lg);
    }

    .section-card {
        padding: var(--spacing-lg);
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }

    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .info-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 480px) {
    .tech-grid {
        grid-template-columns: 1fr;
    }
}