/* ============================================
   OPTALYTIC - Inner Pages Stylesheet (Light Theme)
   ============================================ */

/* Page Header */
.page-header {
    padding: 10rem 0 4rem;
    background: linear-gradient(135deg, var(--color-bg) 0%, var(--color-bg-elevated) 100%);
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse 60% 40% at 30% -10%, rgba(44, 74, 110, 0.06), transparent),
        radial-gradient(ellipse 40% 30% at 70% 20%, rgba(232, 145, 58, 0.04), transparent);
    pointer-events: none;
}

.page-header .container {
    position: relative;
    max-width: 800px;
}

.page-label {
    display: inline-block;
    font-size: 0.8125rem;
    font-weight: 600;
    color: var(--color-accent);
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
}

.page-header h1 { margin-bottom: 1.5rem; }

.page-intro {
    font-size: 1.25rem;
    color: var(--color-text-secondary);
    line-height: 1.7;
}

/* ============================================
   APPROACH PAGE
   ============================================ */

.approach-philosophy {
    padding: var(--space-3xl) 0;
    background: white;
}

.philosophy-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 900px) {
    .philosophy-content {
        grid-template-columns: 1.2fr 1fr;
        gap: 4rem;
        align-items: start;
    }
}

.philosophy-text h2 { margin-bottom: 1.5rem; }

.philosophy-text .lead {
    font-size: 1.375rem;
    font-weight: 500;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
}

.philosophy-text p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.philosophy-text em {
    color: var(--color-primary);
    font-style: normal;
    font-weight: 500;
}

.philosophy-visual {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.philosophy-card {
    padding: 1.5rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.philosophy-card .card-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.philosophy-card .card-icon svg {
    width: 24px;
    height: 24px;
}

.philosophy-card h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.philosophy-card p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

/* Principles */
.approach-principles {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-elevated);
}

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

.principle-card {
    padding: 2rem;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-sm);
}

.principle-number {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: 1rem;
}

.principle-card h3 {
    margin-bottom: 0.75rem;
}

.principle-card > p {
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

.principle-card ul {
    list-style: none;
}

.principle-card li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    padding: 0.375rem 0;
}

.principle-card li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: 600;
    flex-shrink: 0;
}

/* Process Timeline */
.approach-process {
    padding: var(--space-3xl) 0;
    background: white;
}

.process-timeline {
    max-width: 700px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    gap: 2rem;
    margin-bottom: 2rem;
}

.step-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.process-step .step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-primary);
    border-radius: 50%;
    font-size: 1.125rem;
    font-weight: 600;
    color: white;
    flex-shrink: 0;
}

.step-line {
    width: 2px;
    flex: 1;
    background: var(--color-border);
    margin-top: 0.5rem;
}

.process-step .step-content {
    padding-bottom: 2rem;
}

.process-step .step-content h3 {
    margin-bottom: 0.5rem;
}

.process-step .step-content p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.step-activities {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.step-activities span {
    padding: 0.375rem 0.875rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

/* ============================================
   CASE STUDIES PAGE
   ============================================ */

.case-filter-section {
    padding: 2rem 0;
    background: white;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 65px;
    z-index: 100;
}

.case-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    justify-content: center;
}

.filter-btn {
    padding: 0.625rem 1.25rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    cursor: pointer;
    transition: all var(--transition-base);
}

.filter-btn:hover,
.filter-btn.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: white;
}

.case-studies-section {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-elevated);
}

.case-studies-grid {
    display: flex;
    flex-direction: column;
    gap: 3rem;
}

.case-study-card {
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    padding: 2.5rem;
    box-shadow: var(--shadow-sm);
}

.case-header {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.case-industry,
.case-service {
    padding: 0.375rem 0.875rem;
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
}

.case-industry {
    background: var(--color-primary);
    color: white;
}

.case-service {
    background: var(--color-bg-elevated);
    color: var(--color-text-secondary);
}

.case-study-card h2 {
    font-size: 1.75rem;
    margin-bottom: 1rem;
}

.case-summary {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.case-details {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

@media (min-width: 900px) {
    .case-details {
        grid-template-columns: 1fr 1fr;
    }
    
    .case-results {
        grid-column: 1 / -1;
    }
}

.case-challenge h3,
.case-solution h3,
.case-results h3 {
    font-size: 1.125rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
}

.case-challenge p,
.case-solution p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.case-challenge ul,
.case-solution ul {
    list-style: none;
}

.case-challenge li,
.case-solution li {
    display: flex;
    align-items: flex-start;
    gap: 0.5rem;
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    padding: 0.375rem 0;
}

.case-challenge li::before {
    content: '✗';
    color: #dc2626;
    font-weight: 600;
}

.case-solution li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: 600;
}

.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1.5rem;
}

.result-stat {
    text-align: center;
    padding: 1.5rem;
    background: var(--color-bg-elevated);
    border-radius: var(--radius-md);
}

.result-number {
    display: block;
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 0.25rem;
}

.result-label {
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

.case-quote {
    padding: 2rem;
    background: linear-gradient(135deg, rgba(44, 74, 110, 0.03), rgba(44, 74, 110, 0.01));
    border-left: 4px solid var(--color-primary);
    border-radius: var(--radius-md);
    margin-bottom: 2rem;
}

.case-quote blockquote {
    font-size: 1.125rem;
    font-style: italic;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.case-quote cite {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    font-style: normal;
}

.case-tech h4 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.tech-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.tech-tags span {
    padding: 0.375rem 0.875rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    font-size: 0.8125rem;
    color: var(--color-text-secondary);
}

/* ============================================
   CONTACT PAGE
   ============================================ */

.contact-section {
    padding: var(--space-3xl) 0;
    background: white;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1000px) {
    .contact-grid {
        grid-template-columns: 1fr 1.2fr;
        gap: 4rem;
    }
}

.contact-intro h2 { margin-bottom: 1rem; }

.contact-intro p {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.contact-methods {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    margin-bottom: 2.5rem;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1.25rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
}

a.contact-method:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.method-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: white;
    border-radius: var(--radius-md);
    color: var(--color-primary);
    flex-shrink: 0;
}

.method-icon svg {
    width: 22px;
    height: 22px;
}

.method-details {
    display: flex;
    flex-direction: column;
    gap: 0.125rem;
}

.method-label {
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
}

.method-value {
    font-size: 1rem;
    font-weight: 500;
    color: var(--color-text);
}

.contact-expect h3 {
    font-size: 1.125rem;
    margin-bottom: 1.5rem;
}

.expect-timeline {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.expect-step {
    display: flex;
    gap: 1rem;
}

.expect-step .step-number {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: 50%;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    flex-shrink: 0;
}

.expect-step .step-content h4 {
    font-size: 1rem;
    margin-bottom: 0.25rem;
}

.expect-step .step-content p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

/* Contact Form */
.contact-form {
    padding: 2rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}

.form-header {
    margin-bottom: 2rem;
}

.form-header h3 { margin-bottom: 0.5rem; }

.form-header p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

@media (max-width: 600px) {
    .form-row { grid-template-columns: 1fr; }
}

.form-group {
    margin-bottom: 1.25rem;
}

.form-group label {
    display: block;
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.875rem 1rem;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9375rem;
    color: var(--color-text);
    transition: all var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(44, 74, 110, 0.1);
}

.form-group select {
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%234a5568' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.form-submit {
    width: 100%;
    gap: 0.75rem;
    margin-top: 0.5rem;
}

.form-submit svg {
    width: 18px;
    height: 18px;
}

.form-disclaimer {
    margin-top: 1rem;
    font-size: 0.8125rem;
    color: var(--color-text-tertiary);
    text-align: center;
}

.form-disclaimer a {
    color: var(--color-primary);
}

/* FAQ Section */
.faq-section {
    padding: var(--space-3xl) 0;
    background: var(--color-bg-elevated);
}

.faq-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 1.5rem;
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    padding: 1.5rem;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.faq-item h3 {
    font-size: 1rem;
    margin-bottom: 0.75rem;
}

.faq-item p {
    font-size: 0.9375rem;
    color: var(--color-text-secondary);
    line-height: 1.6;
}

/* ============================================
   SERVICES PAGE STYLES
   ============================================ */

.services-overview {
    padding: 2rem 0;
    border-bottom: 1px solid var(--color-border);
    position: sticky;
    top: 65px;
    background: white;
    z-index: 100;
}

.services-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

.service-nav-item {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.75rem 1.25rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
}

.service-nav-item:hover,
.service-nav-item.active {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

.service-nav-item:hover .nav-number,
.service-nav-item:hover .nav-title,
.service-nav-item.active .nav-number,
.service-nav-item.active .nav-title {
    color: white;
}

.nav-number {
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--color-accent);
}

.nav-title {
    font-size: 0.9375rem;
    color: var(--color-text);
}

.service-detail {
    padding: var(--space-3xl) 0;
}

.service-detail.alt-bg {
    background: var(--color-bg-elevated);
}

.service-detail-content {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
}

@media (min-width: 1000px) {
    .service-detail-content {
        grid-template-columns: 1.2fr 1fr;
        gap: 4rem;
        align-items: start;
    }
    
    .service-detail-content.reverse {
        grid-template-columns: 1fr 1.2fr;
    }
    
    .service-detail-content.reverse .service-detail-info { order: 2; }
    .service-detail-content.reverse .service-detail-visual { order: 1; }
}

.service-number-large {
    display: inline-block;
    font-size: 4rem;
    font-weight: 700;
    color: var(--color-primary);
    opacity: 0.15;
    line-height: 1;
    margin-bottom: 1rem;
}

.service-detail-info h2 { margin-bottom: 1rem; }

.service-lead {
    font-size: 1.25rem;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.service-detail-info > p {
    color: var(--color-text-secondary);
    margin-bottom: 2rem;
}

.service-offerings {
    margin-bottom: 2rem;
}

.service-offerings h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: 1.5rem;
}

.offerings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem;
}

.offering {
    padding: 1.5rem;
    background: white;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
}

.service-detail.alt-bg .offering {
    background: white;
}

.offering h4 {
    font-size: 1rem;
    margin-bottom: 0.5rem;
}

.offering p {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
}

.service-tech h3 {
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

/* Engagement Section */
.engagement-section {
    padding: var(--space-3xl) 0;
    background: white;
}

.engagement-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1.5rem;
}

.engagement-card {
    padding: 2rem;
    background: var(--color-bg-elevated);
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    position: relative;
}

.engagement-card.featured {
    background: linear-gradient(135deg, rgba(44, 74, 110, 0.05), rgba(44, 74, 110, 0.02));
    border-color: rgba(44, 74, 110, 0.2);
}

.engagement-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    padding: 0.375rem 1rem;
    background: var(--color-primary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    color: white;
}

.engagement-card h3 { margin-bottom: 0.75rem; }

.engagement-card > p {
    color: var(--color-text-secondary);
    font-size: 0.9375rem;
    margin-bottom: 1.5rem;
}

.engagement-card ul { list-style: none; }

.engagement-card li {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    padding: 0.375rem 0;
}

.engagement-card li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: 600;
}

/* ============================================
   LEGAL PAGES
   ============================================ */

.legal-page {
    padding: 10rem 0 4rem;
    min-height: 100vh;
    background: white;
}

.legal-header {
    margin-bottom: 3rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid var(--color-border);
}

.legal-header h1 { margin-bottom: 0.5rem; }

.legal-updated {
    color: var(--color-text-tertiary);
    font-size: 0.9375rem;
}

.legal-content {
    max-width: 800px;
}

.legal-content section {
    margin-bottom: 2.5rem;
}

.legal-content h2 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.legal-content h3 {
    font-size: 1.125rem;
    margin: 1.5rem 0 0.75rem;
}

.legal-content p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
    line-height: 1.7;
}

.legal-content ul {
    margin: 1rem 0;
    padding-left: 1.5rem;
}

.legal-content li {
    color: var(--color-text-secondary);
    margin-bottom: 0.5rem;
    line-height: 1.6;
}

.legal-content a {
    color: var(--color-primary);
}