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

/* ===== SHARED HERO ===== */
/* Hero styles are centralized in css/main.css. */

/* ===== 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;
}

/* ===== PHASES SECTION ===== */

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

.phases-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-6);
    max-width: 1100px;
    margin: 0 auto;
}

.phase-card {
    background: white;
    border-radius: var(--border-radius-lg);
    padding: var(--space-8) var(--space-6);
    border: 1px solid var(--color-border-light);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.phase-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.phase-card.phase-1 {
    border-top: 4px solid var(--color-primary-600);
}

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

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

.phase-card.phase-1 .phase-number {
    color: rgba(15, 43, 74, 0.08);
}

.phase-card.phase-2 .phase-number {
    color: rgba(212, 164, 55, 0.08);
}

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

.phase-card.phase-1 .phase-icon {
    color: var(--color-primary-600);
}

.phase-card h3 {
    color: var(--color-text-primary);
    font-size: var(--text-xl);
    font-weight: var(--weight-semibold);
    margin-bottom: var(--space-3);
}

.phase-card p {
    color: var(--color-text-secondary);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    margin-bottom: var(--space-4);
}

.phase-features {
    display: flex;
    flex-wrap: wrap;
    gap: var(--space-2);
}

.phase-features span {
    display: inline-flex;
    align-items: center;
    gap: var(--space-1);
    padding: 0.2rem 0.75rem;
    background: var(--color-background-alt);
    border-radius: 50px;
    font-size: var(--text-xs);
    color: var(--color-text-secondary);
}

.phase-features span i {
    color: var(--color-success);
    font-size: 0.7rem;
}

/* ===== AI SECTION ===== */

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

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

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

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

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

.ai-principle {
    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-secondary-600);
    transition: all 0.3s ease;
}

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

.ai-principle-icon {
    width: 44px;
    height: 44px;
    background: var(--color-secondary-50);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-secondary-600);
    font-size: 1.2rem;
    flex-shrink: 0;
}

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

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

/* AI Diagram */
.ai-visual {
    display: flex;
    justify-content: center;
}

.ai-diagram {
    background: var(--color-background-alt);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    border: 1px solid var(--color-border-light);
    width: 100%;
    max-width: 440px;
}

.diagram-flow {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--space-2);
    padding: var(--space-4) 0;
}

.flow-node {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius-md);
    font-size: var(--text-sm);
    font-weight: var(--weight-medium);
    width: 100%;
    justify-content: center;
}

.flow-node.human {
    background: var(--color-primary-50);
    color: var(--color-primary-700);
    border: 1px solid var(--color-primary-200);
}

.flow-node.validate {
    background: var(--color-success-bg);
    color: var(--color-success);
    border: 1px solid var(--color-success);
}

.flow-node.ai {
    background: var(--color-secondary-50);
    color: var(--color-secondary-700);
    border: 1px solid var(--color-secondary-200);
}

.flow-node.output {
    background: var(--color-accent-50);
    color: var(--color-accent-700);
    border: 1px solid var(--color-accent-200);
}

.flow-node i {
    font-size: 1.2rem;
}

.flow-arrow {
    color: var(--color-text-tertiary);
    font-size: 1rem;
}

.diagram-constraint {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--space-2);
    padding: var(--space-3);
    margin-top: var(--space-4);
    background: var(--color-gray-50);
    border-radius: var(--border-radius-md);
    border: 1px dashed var(--color-gray-200);
    font-size: var(--text-xs);
    color: var(--color-text-tertiary);
}

.diagram-constraint i {
    color: var(--color-secondary-600);
}

/* ===== BENEFITS SECTION ===== */

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

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-6);
    max-width: 1100px;
    margin: 0 auto;
}

.benefit-card {
    background: rgba(255, 255, 255, 0.06);
    backdrop-filter: blur(10px);
    border-radius: var(--border-radius-lg);
    padding: var(--space-6);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: all 0.3s ease;
}

.benefit-card:hover {
    transform: translateY(-4px);
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--color-secondary-400);
}

.benefit-icon {
    font-size: 2.5rem;
    color: var(--color-secondary-400);
    margin-bottom: var(--space-4);
}

.benefit-card h3 {
    color: white;
    font-size: var(--text-lg);
    font-weight: var(--weight-semibold);
    margin-bottom: var(--space-3);
}

.benefit-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: var(--text-sm);
    line-height: var(--leading-relaxed);
    margin: 0;
}

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

.architecture-cta {
    padding: var(--section-padding) 0;
    background: white;
    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) {
    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 820px) {
    .new-internal-hero.solution-hero {
        padding: 60px 0 40px;
        min-height: 220px;
    }
    
    .new-internal-hero.solution-hero .internal-hero-title {
        font-size: 2.5rem;
    }
    
    .new-internal-hero.solution-hero .internal-hero-meta {
        gap: var(--space-4);
        font-size: var(--text-xs);
    }
    
    .phases-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin-left: auto;
        margin-right: auto;
    }
    
    .ai-grid {
        grid-template-columns: 1fr;
        gap: var(--space-8);
    }
    
    .benefits-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 480px) {
    .new-internal-hero.solution-hero {
        padding: 50px 0 30px;
        min-height: 180px;
    }
    
    .new-internal-hero.solution-hero .internal-hero-title {
        font-size: 2rem;
    }
    
    .new-internal-hero.solution-hero .internal-hero-subtitle {
        font-size: var(--text-base);
    }
    
    .new-internal-hero.solution-hero .internal-hero-meta {
        flex-direction: column;
        gap: var(--space-2);
        align-items: center;
    }
    
    .phase-card {
        padding: var(--space-6) var(--space-4);
    }
    
    .ai-diagram {
        padding: var(--space-4);
    }
    
    .flow-node {
        font-size: var(--text-xs);
        padding: 0.5rem 1rem;
    }
    
    .benefits-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }
    
    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
        justify-content: center;
    }
}