/* ========================================
   nexUS Observatories - Feature Sections
   AllSky, AI Features, Tech Infrastructure
   ======================================== */

/* AllSky Camera Section */
.allsky-card {
    background: linear-gradient(135deg, rgba(16, 42, 76, 0.8), rgba(10, 25, 47, 0.6));
}

.allsky-subtitle {
    font-size: 0.95rem;
    color: var(--text-muted);
    margin-top: -1rem;
    margin-bottom: 2rem;
    font-style: italic;
}

.allsky-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-top: 2rem;
}

@media (min-width: 768px) {
    .allsky-content {
        grid-template-columns: 1fr 1fr;
    }
}

.allsky-live h3,
.allsky-archive h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: 1rem;
    color: var(--secondary-color);
}

.video-container {
    background: rgba(0, 0, 0, 0.5);
    border-radius: 10px;
    overflow: hidden;
    aspect-ratio: 16/9;
    margin-bottom: 1rem;
}

.video-placeholder,
.archive-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    padding: 2rem;
    color: var(--text-muted);
}

.video-placeholder i,
.archive-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.sky-conditions {
    margin-top: 1.5rem;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
}

.sky-conditions h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.conditions-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.8rem;
    font-size: 0.9rem;
}

.condition-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--text-muted);
}

.condition-item i {
    color: var(--primary-color);
}

.condition-item strong {
    color: var(--text-primary);
}

.archive-grid {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 8px;
    padding: 1rem;
    min-height: 150px;
    margin-bottom: 1rem;
}

/* AI Core Section Enhancements */
.ai-core-section {
    background: linear-gradient(135deg, rgba(16, 42, 76, 0.9), rgba(10, 25, 47, 0.7));
    border: 2px solid rgba(0, 242, 254, 0.3);
}

.ai-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-top: 2rem;
}

.ai-highlight {
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.1), rgba(0, 242, 254, 0.1));
    border: 1px solid rgba(0, 242, 254, 0.4);
}

.ai-highlight:hover {
    background: linear-gradient(135deg, rgba(79, 172, 254, 0.2), rgba(0, 242, 254, 0.2));
    border-color: var(--secondary-color);
    transform: translateY(-8px) scale(1.03);
}

/* Technology Infrastructure */
.tech-infrastructure {
    margin-top: 3rem;
    padding-top: 2rem;
    border-top: 1px solid var(--card-border);
}

.tech-infrastructure h3 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 2rem;
    color: var(--secondary-color);
}

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

.pipeline-step {
    flex: 1;
    min-width: 150px;
    text-align: center;
    padding: 1rem;
    background: rgba(0, 0, 0, 0.3);
    border-radius: 10px;
    transition: var(--transition);
}

.pipeline-step:hover {
    background: rgba(79, 172, 254, 0.1);
    transform: translateY(-5px);
}

.step-icon {
    font-size: 2rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.pipeline-step h4 {
    font-family: var(--font-display);
    font-size: 1rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.pipeline-step p {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.pipeline-arrow {
    font-size: 2rem;
    color: var(--primary-color);
    animation: pulse-arrow 2s infinite;
}

/* Equipment Section */
.equipment-section {
    margin-top: 2rem;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.2);
    border-radius: 10px;
}

.equipment-section h3 {
    font-family: var(--font-display);
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.equipment-info {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.equipment-item {
    padding: 0.8rem;
    background: rgba(79, 172, 254, 0.05);
    border-left: 3px solid var(--primary-color);
    border-radius: 5px;
    font-size: 0.95rem;
    color: var(--text-secondary);
    transition: var(--transition);
}

.equipment-item:hover {
    background: rgba(79, 172, 254, 0.1);
    transform: translateX(5px);
}

.equipment-item strong {
    color: var(--text-primary);
}

/* Features Grid */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
    width: 100%;
}

.feature-card {
    background: rgba(16, 42, 76, 0.7);
    border-radius: 10px;
    padding: 1.5rem;
    border: 1px solid var(--card-border);
    transition: var(--transition);
}

.feature-card:hover {
    background: rgba(24, 58, 102, 0.8);
    transform: translateY(-5px) scale(1.02);
}

.feature-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: var(--primary-color);
}

.feature-title {
    font-family: var(--font-display);
    font-size: 1.2rem;
    margin-bottom: 0.5rem;
    color: #fff;
}

.feature-desc {
    font-size: 0.95rem;
    color: #a0c4e8;
}

/* Contact */
.contact {
    margin-top: 2rem;
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.contact-item {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    font-size: 1.1rem;
}

.contact-item i {
    color: var(--primary-color);
    font-size: 1.3rem;
}