/* css/pages/solution-architecture.css - Solution Architecture page specific styles */

/* ===== INTERNAL HERO ===== */

.internal-hero-standard {
    position: relative;
    min-height: 260px;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-primary-800), var(--color-primary-900));
    color: white;
    overflow: hidden;
    padding: 50px 0 40px;
}

.internal-hero-standard .hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
}

.internal-hero-standard .hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: radial-gradient(circle at 30% 50%, rgba(0,0,0,0.1) 0%, rgba(0,0,0,0.5) 100%);
    z-index: 1;
}

.internal-hero-standard .hero-dental-pattern {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 1;
    opacity: 0.5;
    pointer-events: none;
}

.internal-hero-standard .hero-dental-pattern svg {
    width: 100%;
    height: 100%;
}

.internal-hero-standard .hero-content {
    position: relative;
    z-index: 10;
    max-width: 850px;
    margin: 0 auto;
    text-align: center;
    padding: 0 20px;
}

.internal-hero-standard .hero-title {
    font-size: var(--text-4xl);
    font-weight: var(--weight-extrabold);
    line-height: var(--leading-tight);
    letter-spacing: -0.025em;
    font-family: var(--font-display);
    margin-bottom: var(--space-3);
    color: white;
}

.internal-hero-standard .hero-title .text-highlight {
    color: var(--color-accent-400);
}

.internal-hero-standard .hero-subtitle {
    font-size: var(--text-lg);
    color: rgba(255, 255, 255, 0.9);
    line-height: var(--leading-relaxed);
    max-width: 600px;
    margin: 0 auto var(--space-4);
}

.internal-hero-standard .hero-meta-cards {
    display: flex;
    justify-content: center;
    gap: var(--space-4);
    margin: var(--space-4) 0 var(--space-6);
    flex-wrap: wrap;
}

.internal-hero-standard .meta-card {
    display: flex;
    align-items: center;
    gap: var(--space-2);
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 50px;
    font-size: var(--text-xs);
    color: rgba(255, 255, 255, 0.8);
    transition: all 0.2s ease;
    white-space: nowrap;
}

.internal-hero-standard .meta-card:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: var(--color-accent-400);
    transform: translateY(-2px);
}

.internal-hero-standard .meta-card i {
    color: var(--color-accent-400);
    font-size: 0.8rem;
}

.internal-hero-standard .hero-actions .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

/* ===== ARCHITECTURE INTRODUCTION ===== */

.architecture-intro-section {
    padding: var(--section-padding) 0;
    background: white;
}

.architecture-intro-content {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
}

.architecture-intro-content .section-title {
    font-size: var(--text-3xl);
    margin-bottom: var(--space-3);
}

.architecture-intro-content .intro-text {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    max-width: 800px;
    margin: 0 auto;
}

/* ===== MODELS SECTION ===== */

.models-section {
    padding: var(--section-padding) 0;
    background: var(--color-background-alt);
}

.models-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1rem, 1.8vw, 1.5rem);
    max-width: 1180px;
    margin: 0 auto;
    align-items: stretch;
}

.model-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: clamp(1.25rem, 2vw, 1.75rem);
    border: 1px solid rgba(15, 43, 74, 0.08);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    min-width: 0;
    box-shadow: 0 10px 30px rgba(15, 43, 74, 0.06);
}

.model-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 16px 40px rgba(15, 43, 74, 0.12);
}

.model-card.model-1 {
    border-top: 4px solid var(--color-gray-400);
}

.model-card.model-2 {
    border-top: 4px solid var(--color-accent-600);
}

.model-card.model-3 {
    border-top: 4px solid var(--color-secondary-600);
}

.model-card.featured {
    transform: translateY(-6px);
    border-color: var(--color-accent-300);
    box-shadow: 0 16px 40px rgba(232, 106, 44, 0.15);
}

.model-card.featured:hover {
    transform: translateY(-8px);
}

.model-number {
    font-size: 4rem;
    font-weight: var(--weight-extrabold);
    color: var(--color-gray-100);
    line-height: 1;
    margin-bottom: var(--space-2);
}

.model-card.model-1 .model-number {
    color: rgba(15, 43, 74, 0.06);
}

.model-card.model-2 .model-number {
    color: rgba(26, 139, 122, 0.06);
}

.model-card.model-3 .model-number {
    color: rgba(232, 106, 44, 0.06);
}

.model-icon {
    font-size: 2.5rem;
    color: var(--color-accent-600);
    margin-bottom: var(--space-4);
}

.model-card.model-1 .model-icon {
    color: var(--color-gray-500);
}

.model-card.model-2 .model-icon {
    color: var(--color-accent-600);
}

.model-card.model-3 .model-icon {
    color: var(--color-secondary-600);
}

.model-card h3 {
    color: var(--color-text-primary);
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    margin-bottom: var(--space-1);
}

.model-version {
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    margin-bottom: var(--space-3);
}

.model-description {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: 1.7;
    margin-bottom: var(--space-4);
    flex: 1;
    overflow-wrap: anywhere;
}

.model-specs {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.7rem;
    margin-bottom: var(--space-4);
    align-items: stretch;
}

.spec-item {
    text-align: center;
    padding: 0.7rem 0.6rem;
    background: var(--color-background-alt);
    border-radius: var(--border-radius-sm);
    min-height: 76px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 0.2rem;
}

.spec-label {
    display: block;
    font-size: 0.72rem;
    color: var(--color-text-tertiary);
    line-height: 1.4;
    white-space: normal;
    word-break: break-word;
}

.spec-value {
    display: block;
    font-size: 0.95rem;
    font-weight: var(--weight-bold);
    color: var(--color-text-primary);
    line-height: 1.3;
}

.model-status {
    display: inline-block;
    padding: 0.25rem 1rem;
    border-radius: 50px;
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-align: center;
    margin-top: auto;
}

.model-status.baseline {
    background: var(--color-gray-100);
    color: var(--color-gray-500);
}

.model-status.active {
    background: var(--color-accent-50);
    color: var(--color-accent-700);
}

.model-status.research {
    background: var(--color-secondary-50);
    color: var(--color-secondary-700);
}

/* ===== TECHNICAL DIAGRAM ===== */

.technical-diagram {
    padding: var(--section-padding) 0;
    background: linear-gradient(135deg, var(--color-primary-800), var(--color-primary-900));
    color: white;
}

.diagram-container {
    max-width: 900px;
    margin: 0 auto;
}

.diagram-flow {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-6);
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.flow-layer {
    text-align: center;
}

.layer-label {
    display: block;
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255, 255, 255, 0.4);
    margin-bottom: var(--space-3);
}

.flow-items {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--space-2);
}

.flow-item {
    padding: 0.4rem 1rem;
    background: rgba(255, 255, 255, 0.06);
    border-radius: var(--border-radius-md);
    border: 1px solid rgba(255, 255, 255, 0.06);
    font-size: var(--text-sm);
    color: rgba(255, 255, 255, 0.8);
}

.flow-item.highlight {
    background: rgba(26, 139, 122, 0.15);
    border-color: rgba(26, 139, 122, 0.3);
    color: var(--color-accent-400);
}

.flow-item.success {
    background: rgba(39, 174, 96, 0.15);
    border-color: rgba(39, 174, 96, 0.3);
    color: var(--color-success);
}

.flow-arrow-large {
    text-align: center;
    color: rgba(255, 255, 255, 0.2);
    font-size: 1.5rem;
}

/* ===== XAI SECTION ===== */

.xai-section {
    padding: var(--section-padding) 0;
    background: white;
}

.xai-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-12);
    align-items: center;
    max-width: 1100px;
    margin: 0 auto;
}

.xai-eyebrow {
    display: inline-block;
    font-size: var(--text-xs);
    font-weight: var(--weight-semibold);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--color-accent-600);
    margin-bottom: var(--space-3);
}

.xai-text {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-6);
}

.xai-features {
    display: flex;
    flex-direction: column;
    gap: var(--space-4);
}

.xai-feature {
    display: flex;
    gap: var(--space-4);
    padding: var(--space-4);
    background: var(--color-background-alt);
    border-radius: var(--border-radius-md);
    border-left: 4px solid var(--color-accent-600);
    transition: all 0.3s ease;
}

.xai-feature:hover {
    transform: translateX(6px);
    box-shadow: var(--shadow-sm);
}

.xai-feature i {
    font-size: 1.5rem;
    color: var(--color-accent-600);
    flex-shrink: 0;
    margin-top: 0.15rem;
}

.xai-feature h4 {
    color: var(--color-text-primary);
    font-size: var(--text-sm);
    font-weight: var(--weight-semibold);
    margin-bottom: 0.25rem;
}

.xai-feature p {
    color: var(--color-text-tertiary);
    font-size: var(--text-sm);
    line-height: var(--leading-normal);
    margin: 0;
}

/* XAI Visual Card */
.xai-visual {
    display: flex;
    justify-content: center;
}

.xai-card {
    background: var(--color-background-alt);
    border-radius: var(--border-radius-lg);
    border: 1px solid var(--color-border-light);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    width: 100%;
    max-width: 440px;
}

.xai-header {
    padding: var(--space-4) var(--space-6);
    background: var(--color-primary-50);
    border-bottom: 1px solid var(--color-border-light);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.xai-badge {
    font-weight: var(--weight-semibold);
    font-size: var(--text-sm);
    color: var(--color-text-primary);
}

.xai-status {
    font-size: var(--text-xs);
    color: var(--color-accent-600);
}

.xai-body {
    padding: var(--space-4) var(--space-6);
}

.xai-demo {
    text-align: center;
}

.xai-image-placeholder {
    position: relative;
    width: 100%;
    height: 160px;
    background: var(--color-gray-50);
    border-radius: var(--border-radius-md);
    border: 1px solid var(--color-border-light);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.xai-tooth {
    font-size: 3rem;
    color: var(--color-gray-300);
}

.xai-heatmap {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
}

.heat-spot {
    position: absolute;
    border-radius: 50%;
    background: rgba(232, 106, 44, 0.15);
    animation: pulse-heat 2s ease-in-out infinite;
}

.heat-spot.spot-1 {
    width: 40px;
    height: 40px;
    top: 35%;
    left: 25%;
    animation-delay: 0s;
}

.heat-spot.spot-2 {
    width: 30px;
    height: 30px;
    top: 50%;
    left: 55%;
    animation-delay: 0.5s;
}

.heat-spot.spot-3 {
    width: 20px;
    height: 20px;
    top: 25%;
    left: 70%;
    animation-delay: 1s;
}

@keyframes pulse-heat {
    0%, 100% {
        opacity: 0.3;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.3);
    }
}

.xai-labels {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: var(--space-3);
}

.label-correct {
    font-weight: var(--weight-semibold);
    color: var(--color-success);
    font-size: var(--text-sm);
}

.label-confidence {
    font-size: var(--text-sm);
    color: var(--color-text-secondary);
}

.xai-footer {
    padding: var(--space-3) var(--space-6);
    background: var(--color-background-alt);
    border-top: 1px solid var(--color-border-light);
    display: flex;
    justify-content: space-around;
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
}

.xai-footer i {
    color: var(--color-accent-600);
}

/* ===== ARCHITECTURE CTA ===== */

.architecture-cta {
    padding: var(--section-padding) 0;
    background: var(--color-background-alt);
    text-align: center;
}

.cta-block h2 {
    font-size: var(--text-3xl);
    color: var(--color-text-primary);
    margin-bottom: var(--space-3);
}

.cta-block p {
    font-size: var(--text-base);
    color: var(--color-text-secondary);
    max-width: 600px;
    margin: 0 auto var(--space-6);
}

.cta-buttons {
    display: flex;
    gap: var(--space-4);
    justify-content: center;
    flex-wrap: wrap;
}

.cta-buttons .btn {
    display: inline-flex;
    align-items: center;
    gap: var(--space-2);
}

/* ===== RESPONSIVE ===== */

@media (max-width: 1024px) {
    .models-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .model-card.featured {
        transform: translateY(0);
    }
    
    .model-card.featured:hover {
        transform: translateY(-4px);
    }
}

@media (max-width: 820px) {
    .internal-hero-standard {
        padding: 40px 0 30px;
        min-height: 220px;
    }
    
    .internal-hero-standard .hero-title {
        font-size: var(--text-3xl);
    }
    
    .internal-hero-standard .hero-subtitle {
        font-size: var(--text-base);
    }
    
    .internal-hero-standard .hero-meta-cards {
        gap: var(--space-3);
    }
    
    .internal-hero-standard .meta-card {
        font-size: var(--text-xs);
        padding: 0.3rem 0.75rem;
    }
    
    .models-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .xai-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .xai-card {
        max-width: 100%;
    }
}

@media (max-width: 480px) {
    .internal-hero-standard {
        padding: 35px 0 25px;
        min-height: 200px;
    }
    
    .internal-hero-standard .hero-title {
        font-size: var(--text-2xl);
    }
    
    .internal-hero-standard .hero-subtitle {
        font-size: var(--text-sm);
    }
    
    .internal-hero-standard .hero-meta-cards {
        gap: var(--space-2);
        flex-wrap: wrap;
        justify-content: center;
    }
    
    .internal-hero-standard .meta-card {
        font-size: var(--text-xs);
        padding: 0.25rem 0.6rem;
        white-space: normal;
    }
    
    .internal-hero-standard .hero-actions {
        flex-direction: column;
        align-items: center;
    }
    
    .internal-hero-standard .hero-actions .btn {
        width: 100%;
        max-width: 280px;
        justify-content: center;
    }
    
    .model-specs {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
    
    .model-specs {
        grid-template-columns: 1fr;
    }
    
    .flow-items {
        flex-direction: column;
        align-items: center;
    }
    
    .xai-feature {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .xai-image-placeholder {
        height: 120px;
    }
    
    .xai-footer {
        flex-direction: column;
        gap: var(--space-2);
        text-align: center;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}