/* Layout */
.layout {
    display: grid;
    grid-template-columns: var(--left-column-width) 1fr;
    min-height: 100vh;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 0;
}

/* Left Column */
.left-column {
    position: fixed;
    top: 0;
    left: 0;
    width: var(--left-column-width);
    height: 100vh;
    padding: calc(var(--spacing-unit) * 8) calc(var(--spacing-unit) * 4);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--color-border);
}

@media (min-width: 1200px) {
    .left-column {
        left: calc((100vw - 1200px) / 2);
    }
}

.left-column-inner {
    display: flex;
    flex-direction: column;
    height: 100%;
}

/* Meta Block */
.meta-block {
    margin-bottom: calc(var(--spacing-unit) * 12);
}

.meta-block p {
    font-size: var(--size-meta);
    color: var(--color-text-muted);
    line-height: 1.6;
}

/* Primary Navigation */
.primary-nav {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 1.5);
    margin-bottom: auto;
}

.nav-item {
    font-size: var(--size-nav);
    color: var(--color-text-muted);
    position: relative;
    padding-left: 16px;
    font-family: var(--font-primary);
    letter-spacing: 0.02em;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--color-accent);
    opacity: 0;
}

.nav-item.active {
    color: var(--color-text);
}

.nav-item.active::before {
    opacity: 1;
}

/* Social Links */
.social-links {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-unit);
    margin-top: auto;
}

.social-links a {
    font-size: var(--size-meta);
    color: var(--color-text-muted);
}

/* Content Column */
.content-column {
    grid-column: 2;
    padding: calc(var(--spacing-unit) * 8) calc(var(--spacing-unit) * 6);
    padding-left: calc(var(--spacing-unit) * 10);
    max-width: var(--content-max-width);
}

/* Page Header */
.page-header {
    margin-bottom: calc(var(--spacing-unit) * 4);
}

.page-title {
    font-size: var(--size-title);
    font-weight: 400;
    line-height: 1.15;
    letter-spacing: -0.02em;
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

.page-subtitle {
    font-size: var(--size-body);
    color: var(--color-text-muted);
    font-weight: 400;
}

/* Accent text */
.accent {
    color: var(--color-accent);
}

/* Content Sections */
.content-section {
    margin-bottom: calc(var(--spacing-unit) * 3);
}

.section-number {
    font-size: var(--size-meta);
    color: var(--color-accent);
    margin-bottom: calc(var(--spacing-unit) * 0.5);
    letter-spacing: 0.05em;
}

.section-title {
    font-size: var(--size-nav);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: calc(var(--spacing-unit) * 2.5);
}

.content-section p {
    margin-bottom: calc(var(--spacing-unit) * 1.5);
    max-width: 540px;
}

.content-section p:last-child {
    margin-bottom: 0;
}

/* Emphasis Line */
.emphasis-line {
    font-weight: 600;
    margin-top: calc(var(--spacing-unit) * 4);
}

/* Two Column Content */
.two-column-content {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: calc(var(--spacing-unit) * 8);
}

.column-right {
    padding-top: calc(var(--spacing-unit) * 6);
}

/* Comparison Grid (Inquire Page) */
.comparison-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 6);
    align-items: start;
}

.comparison-column {
    min-height: auto;
}

.comparison-column p {
    margin-bottom: calc(var(--spacing-unit) * 1.25);
    max-width: none;
}

.comparison-heading {
    font-size: var(--size-nav);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--color-text-muted);
    margin-bottom: calc(var(--spacing-unit) * 2);
}

/* Compact Two Column */
.compact-two-col {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 8);
    align-items: start;
}

.compact-two-col p {
    margin-bottom: calc(var(--spacing-unit) * 1.5);
}

/* Principles Grid (Foundations) */
.principles-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--spacing-unit) * 4) calc(var(--spacing-unit) * 8);
}

.principle {
    padding-bottom: calc(var(--spacing-unit) * 3);
}

.principle-number {
    font-size: var(--size-meta);
    color: var(--color-accent);
    display: block;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.principle h3 {
    font-size: var(--size-body);
    font-weight: 500;
    margin-bottom: calc(var(--spacing-unit) * 1);
}

.principle p {
    font-size: 14px;
    color: var(--color-text-muted);
    margin-bottom: 0;
}

/* Services Compact */
.services-compact {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing-unit) * 2);
}

.service-row {
    display: grid;
    grid-template-columns: 140px 1fr;
    gap: calc(var(--spacing-unit) * 4);
    padding: calc(var(--spacing-unit) * 2) 0;
    border-bottom: 1px solid var(--color-border);
}

.service-row:first-child {
    border-top: 1px solid var(--color-border);
}

.service-name {
    font-weight: 500;
    color: var(--color-accent);
}

.service-desc {
    color: var(--color-text-muted);
    font-size: 14px;
}

/* Work Compact */
.work-compact {
    display: flex;
    flex-direction: column;
}

.work-row {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: calc(var(--spacing-unit) * 4);
    padding: calc(var(--spacing-unit) * 3) 0;
    border-bottom: 1px solid var(--color-border);
}

.work-row:first-child {
    border-top: 1px solid var(--color-border);
}

.work-left {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.work-role {
    font-weight: 500;
}

.work-company {
    color: var(--color-accent);
}

.work-date {
    font-size: var(--size-meta);
    color: var(--color-text-muted);
}

/* CTA Row */
.cta-row {
    display: flex;
    gap: calc(var(--spacing-unit) * 2);
    margin-top: calc(var(--spacing-unit) * 3);
}

.meta-label {
    font-size: var(--size-meta);
    color: var(--color-text-muted);
    margin-bottom: calc(var(--spacing-unit) * 1);
}

/* Spacers */
.spacer-md {
    height: calc(var(--spacing-unit) * 3);
}

.spacer-lg {
    height: calc(var(--spacing-unit) * 6);
}

/* Closing Section */
.closing-section {
    margin-top: calc(var(--spacing-unit) * 8);
    padding-top: calc(var(--spacing-unit) * 4);
    border-top: 1px solid var(--color-border);
}

.closing-line {
    font-size: var(--size-section);
    font-weight: 400;
    color: var(--color-text-muted);
}

/* CTA Button */
.cta-button {
    display: inline-block;
    font-size: var(--size-nav);
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    padding: calc(var(--spacing-unit) * 2) calc(var(--spacing-unit) * 4);
    border: 1px solid var(--color-accent);
    background: transparent;
    color: var(--color-accent);
    cursor: pointer;
    margin-top: calc(var(--spacing-unit) * 3);
}

/* Large Quote */
.large-quote {
    font-size: 32px;
    font-weight: 400;
    line-height: 1.3;
    max-width: 500px;
}

/* Stats */
.stats-row {
    display: flex;
    gap: calc(var(--spacing-unit) * 6);
    margin: calc(var(--spacing-unit) * 3) 0;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.stat-number {
    font-size: 28px;
    font-weight: 500;
    color: var(--color-accent);
}

.stat-label {
    font-size: var(--size-meta);
    color: var(--color-text-muted);
}

/* Work Items */
.work-item {
    padding: calc(var(--spacing-unit) * 3) 0;
    border-bottom: 1px solid var(--color-border);
}

.work-item:first-child {
    border-top: 1px solid var(--color-border);
}

.work-role {
    font-weight: 500;
    margin-bottom: 4px;
}

.work-company {
    color: var(--color-accent);
}

.work-date {
    font-size: var(--size-meta);
    color: var(--color-text-muted);
}

/* Mobile Navigation Toggle */
.mobile-nav-toggle {
    display: none;
    position: fixed;
    top: 24px;
    left: 24px;
    width: 32px;
    height: 32px;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1000;
    flex-direction: column;
    justify-content: center;
    gap: 6px;
}

.mobile-nav-toggle span {
    display: block;
    width: 24px;
    height: 1px;
    background-color: var(--color-text);
}