/* ===============================
   EXERCISES PAGE STYLES
   Стили для страницы упражнений
   =============================== */

/* Development Banner */
.development-banner {
    padding: 3rem 0;
    background: linear-gradient(135deg, #ff6b6b 0%, #ffa726 100%);
    color: var(--white);
    text-align: center;
}

.banner-content {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
    max-width: 800px;
    margin: 0 auto;
}

.banner-icon {
    font-size: 4rem;
    opacity: 0.9;
}

.banner-text h2 {
    font-size: clamp(2rem, 4vw, 3rem);
    margin-bottom: 1rem;
    color: var(--white);
}

.banner-text p {
    font-size: 1.1rem;
    opacity: 0.9;
    line-height: 1.6;
}

/* Coming Soon Features */
.coming-soon-features {
    padding: 4rem 0;
    background: var(--white);
}

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

.feature-card {
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    text-align: center;
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-primary);
}

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

.feature-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    opacity: 0.8;
}

.feature-title {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

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

/* Temporary Recommendations */
.temp-recommendations {
    padding: 4rem 0;
    background: var(--light-bg);
}

.recommendations-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
    align-items: center;
}

.recommendations-text h2 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: clamp(1.75rem, 3vw, 2.5rem);
}

.recommendations-text p {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.recommendations-list {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.recommendation-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1.5rem;
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.recommendation-item:hover {
    transform: translateX(5px);
    box-shadow: var(--shadow-lg);
}

.recommendation-icon {
    font-size: 2rem;
    min-width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-top: 0.25rem;
}

.recommendation-content h4 {
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-size: 1.1rem;
}

.recommendation-content p {
    color: var(--text-secondary);
    margin: 0;
    line-height: 1.5;
}

.recommendations-image {
    text-align: center;
}

.recommendations-image img {
    width: 100%;
    max-width: 500px;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow-lg);
}

/* Newsletter Signup */
.newsletter-signup {
    padding: 4rem 0;
    background: var(--gradient-primary);
    color: var(--white);
    text-align: center;
}

.newsletter-content {
    max-width: 600px;
    margin: 0 auto;
}

.newsletter-text h2 {
    color: var(--white);
    margin-bottom: 1rem;
    font-size: clamp(2rem, 4vw, 2.5rem);
}

.newsletter-text p {
    font-size: 1.1rem;
    margin-bottom: 2rem;
    opacity: 0.9;
    line-height: 1.6;
}

.newsletter-form {
    background: rgba(255, 255, 255, 0.1);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    backdrop-filter: blur(10px);
}

.newsletter-form .form-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.newsletter-form input {
    flex: 1;
    padding: 0.875rem 1rem;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    background: rgba(255, 255, 255, 0.1);
    color: var(--white);
    font-size: 1rem;
    backdrop-filter: blur(5px);
}

.newsletter-form input::placeholder {
    color: rgba(255, 255, 255, 0.7);
}

.newsletter-form input:focus {
    outline: none;
    border-color: var(--white);
    background: rgba(255, 255, 255, 0.2);
}

.newsletter-form .btn {
    background: var(--white);
    color: var(--primary-color);
    font-weight: 600;
    min-width: 150px;
}

.newsletter-form .btn:hover {
    background: var(--light-bg);
    transform: translateY(-2px);
}

.form-benefits {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: left;
}

.form-benefits p {
    font-size: 0.9rem;
    opacity: 0.8;
    margin: 0;
}

/* Roadmap Section */
.roadmap-section {
    padding: 4rem 0;
    background: var(--white);
}

.roadmap {
    position: relative;
    max-width: 800px;
    margin: 0 auto;
}

.roadmap::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 0;
    bottom: 0;
    width: 2px;
    background: var(--border-color);
    transform: translateX(-50%);
}

.roadmap-item {
    position: relative;
    margin-bottom: 3rem;
    display: flex;
    align-items: center;
    gap: 2rem;
}

.roadmap-item:nth-child(even) {
    flex-direction: row-reverse;
}

.roadmap-item::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    transform: translate(-50%, -50%);
    z-index: 2;
}

.roadmap-item.completed::before {
    background: var(--success);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--success);
}

.roadmap-item.in-progress::before {
    background: var(--primary-color);
    border: 3px solid var(--white);
    box-shadow: 0 0 0 3px var(--primary-color);
    animation: pulse 2s infinite;
}

.roadmap-item.upcoming::before {
    background: var(--light-bg);
    border: 3px solid var(--border-color);
}

@keyframes pulse {
    0% {
        box-shadow: 0 0 0 3px var(--primary-color);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(13, 115, 119, 0.3);
    }
    100% {
        box-shadow: 0 0 0 3px var(--primary-color);
    }
}

.roadmap-date {
    min-width: 120px;
    text-align: center;
    font-weight: 600;
    color: var(--primary-color);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.roadmap-content {
    flex: 1;
    background: var(--white);
    padding: 2rem;
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    border: 1px solid var(--border-color);
}

.roadmap-item:nth-child(even) .roadmap-content {
    text-align: right;
}

.roadmap-content h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

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

.roadmap-status {
    display: inline-block;
    padding: 0.5rem 1rem;
    border-radius: var(--border-radius);
    font-size: 0.875rem;
    font-weight: 600;
}

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

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

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

/* Related Content */
.related-content {
    padding: 4rem 0;
    background: var(--light-bg);
}

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

.related-card {
    background: var(--white);
    border-radius: var(--border-radius-lg);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
    border: 1px solid var(--border-color);
}

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

.related-image {
    height: 200px;
    overflow: hidden;
}

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

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

.related-content-text {
    padding: 2rem;
}

.related-content-text h3 {
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-size: 1.25rem;
}

.related-content-text p {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
    line-height: 1.6;
}

/* Success Messages */
.newsletter-success {
    background: var(--success);
    color: var(--white);
    padding: 1rem;
    border-radius: var(--border-radius);
    margin-top: 1rem;
    text-align: center;
    opacity: 0;
    transform: translateY(-10px);
    transition: var(--transition);
}

.newsletter-success.show {
    opacity: 1;
    transform: translateY(0);
}

/* Responsive Design */
@media (max-width: 768px) {
    .banner-content {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
    
    .banner-icon {
        font-size: 3rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .recommendations-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .recommendation-item {
        padding: 1rem;
    }
    
    .recommendation-icon {
        min-width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .newsletter-form .form-group {
        flex-direction: column;
    }
    
    .newsletter-form .btn {
        width: 100%;
    }
    
    .roadmap::before {
        left: 2rem;
    }
    
    .roadmap-item {
        flex-direction: column !important;
        align-items: flex-start;
        padding-left: 4rem;
    }
    
    .roadmap-item::before {
        left: 2rem;
        top: 1rem;
        transform: translateX(-50%);
    }
    
    .roadmap-content {
        width: 100%;
        text-align: left !important;
    }
    
    .roadmap-date {
        min-width: auto;
        text-align: left;
        margin-bottom: 1rem;
    }
    
    .related-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .feature-card {
        padding: 1.5rem;
    }
    
    .recommendation-item {
        flex-direction: column;
        text-align: center;
    }
    
    .newsletter-content {
        padding: 0 1rem;
    }
    
    .newsletter-form {
        padding: 1.5rem;
    }
    
    .form-benefits {
        text-align: center;
    }
    
    .roadmap-item {
        padding-left: 3rem;
    }
    
    .roadmap::before {
        left: 1.5rem;
    }
    
    .roadmap-item::before {
        left: 1.5rem;
    }
}

/* Print Styles */
@media print {
    .development-banner,
    .newsletter-signup {
        background: none !important;
        color: var(--text-primary) !important;
    }
    
    .roadmap::before,
    .roadmap-item::before {
        display: none;
    }
    
    .roadmap-item {
        flex-direction: column !important;
        padding-left: 0 !important;
        page-break-inside: avoid;
    }
}

/* High contrast mode */
@media (prefers-contrast: high) {
    .feature-card,
    .recommendation-item,
    .related-card {
        border: 2px solid var(--text-primary);
    }
    
    .roadmap-content {
        border: 2px solid var(--text-primary);
    }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
    .feature-card,
    .recommendation-item,
    .related-card,
    .roadmap-item.in-progress::before {
        transition: none;
        animation: none;
    }
    
    .feature-card:hover,
    .recommendation-item:hover,
    .related-card:hover {
        transform: none;
    }
}