:root {
    --tc-base: #C9644D;
    --tc-dark: #8F3D2A;
    --tc-light: #E8A38E;
    --bg-primary: #F9F6F0;
    --bg-secondary: #EBE6DC;
    --text-main: #2C2C2C;
    --text-muted: #666666;
    --font-head: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
    --border-rad: 4px;
    --trans-speed: 0.3s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-body);
    background-color: var(--bg-primary);
    color: var(--text-main);
    line-height: 1.6;
    overflow-x: hidden;
}

img {
    width: 100%;
    height: auto;
    object-fit: cover;
    display: block;
}

h1, h2, h3, h4 {
    font-family: var(--font-head);
    color: var(--text-main);
    line-height: 1.2;
}

a {
    color: var(--tc-base);
    text-decoration: none;
    transition: color var(--trans-speed) ease;
}

a:hover {
    color: var(--tc-dark);
}

.ktx-bound-width {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
}

/* Navigation */
.ktx-primary-nav {
    position: sticky;
    top: 0;
    background: rgba(249, 246, 240, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--bg-secondary);
    z-index: 1000;
    padding: 1.2rem 0;
}

.ktx-nav-bound {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.ktx-logomark {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

.ktx-link-cluster {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.ktx-link-cluster a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
}

.ktx-link-cluster a:hover {
    color: var(--tc-base);
}

.ktx-action-node {
    background: var(--tc-base);
    color: #fff !important;
    padding: 0.5rem 1rem;
    border-radius: var(--border-rad);
}

.ktx-action-node:hover {
    background: var(--tc-dark);
}

/* Hero */
.ktx-hero-matrix {
    padding: 6.5rem 0 8.2rem;
    overflow: hidden;
}

.ktx-hero-bound {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 5%;
    display: grid;
    grid-template-columns: 1fr 1.1fr;
    gap: 4rem;
    align-items: center;
}

.ktx-micro-tag {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--tc-base);
    font-weight: 600;
    display: block;
    margin-bottom: 1.5rem;
}

.ktx-primary-heading {
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
}

.ktx-sub-vector {
    font-size: 1.1rem;
    color: var(--text-muted);
    margin-bottom: 2.5rem;
    max-width: 90%;
}

.ktx-hero-actions {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
}

.ktx-btn-solid {
    background: var(--text-main);
    color: #fff;
    padding: 1rem 2rem;
    border-radius: var(--border-rad);
    font-weight: 500;
}

.ktx-btn-solid:hover {
    background: var(--tc-base);
    color: #fff;
}

.ktx-btn-ghost {
    border: 1px solid var(--text-main);
    color: var(--text-main);
    padding: 1rem 2rem;
    border-radius: var(--border-rad);
    font-weight: 500;
}

.ktx-btn-ghost:hover {
    border-color: var(--tc-base);
}

.ktx-stat-node {
    border-left: 3px solid var(--tc-light);
    padding-left: 1.5rem;
}

.ktx-stat-node strong {
    display: block;
    font-size: 2rem;
    font-family: var(--font-head);
    color: var(--tc-base);
    line-height: 1;
    margin-bottom: 0.25rem;
}

.ktx-stat-node span {
    font-size: 0.85rem;
    color: var(--text-muted);
}

.ktx-image-offset-frame {
    position: relative;
    transform: translateY(12%);
}

.ktx-image-offset-frame img {
    aspect-ratio: 4/5;
    border-radius: var(--border-rad);
    position: relative;
    z-index: 2;
}

.ktx-visual-accent-block {
    position: absolute;
    top: -20px;
    right: -20px;
    width: 60%;
    height: 60%;
    background: var(--bg-secondary);
    z-index: 1;
    border-radius: var(--border-rad);
}

/* Methodology Tabs */
.ktx-methodology-tier {
    padding: 7.3rem 0;
    background: #fff;
}

.ktx-section-header {
    max-width: 600px;
    margin-bottom: 4rem;
}

.ktx-section-header h2 {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.ktx-section-header p {
    color: var(--text-muted);
}

.ktx-tab-controls {
    display: flex;
    gap: 1rem;
    margin-bottom: 3rem;
    border-bottom: 2px solid var(--bg-secondary);
    padding-bottom: 1rem;
    overflow-x: auto;
}

.ktx-tab-trigger {
    background: none;
    border: none;
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text-muted);
    cursor: pointer;
    padding: 0.5rem 0;
    position: relative;
    white-space: nowrap;
}

.ktx-tab-trigger.active {
    color: var(--tc-base);
}

.ktx-tab-trigger.active::after {
    content: '';
    position: absolute;
    bottom: -18px;
    left: 0;
    width: 100%;
    height: 2px;
    background: var(--tc-base);
}

.ktx-tab-panel {
    display: none;
    animation: fade-in 0.4s ease forwards;
}

.ktx-tab-panel.active {
    display: block;
}

@keyframes fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.ktx-panel-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.ktx-panel-text h3 {
    font-size: 1.8rem;
    margin-bottom: 1.5rem;
}

.ktx-panel-text p {
    margin-bottom: 1.5rem;
    color: var(--text-muted);
}

.ktx-inline-ref {
    text-decoration: underline;
    text-decoration-color: var(--tc-light);
    text-underline-offset: 3px;
}

.ktx-technical-list {
    list-style: none;
    margin-top: 2rem;
}

.ktx-technical-list li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
    color: var(--text-main);
}

.ktx-technical-list li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--tc-base);
    font-weight: bold;
}

.ktx-panel-visual img {
    border-radius: var(--border-rad);
    aspect-ratio: 16/11;
}

/* Facility Telemetry */
.ktx-facility-telemetry {
    padding: 5.1rem 0;
    background: var(--text-main);
    color: #fff;
}

.ktx-facility-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 5rem;
    align-items: center;
}

.ktx-facility-image img {
    aspect-ratio: 16/9;
    border-radius: var(--border-rad);
    opacity: 0.9;
}

.ktx-facility-specs h2 {
    color: #fff;
    font-size: 2.2rem;
    margin-bottom: 1.5rem;
}

.ktx-facility-specs p {
    color: #ccc;
    margin-bottom: 2.5rem;
}

.ktx-spec-blocks {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.ktx-spec-item {
    border-top: 1px solid #444;
    padding-top: 1rem;
}

.ktx-spec-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--tc-light);
    margin-bottom: 0.5rem;
}

.ktx-spec-value {
    font-family: var(--font-head);
    font-size: 1.1rem;
    font-style: italic;
}

/* Adaptations */
.ktx-adaptation-vectors {
    padding: 8.4rem 0;
}

.ktx-adaptation-vectors h2 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.ktx-asym-card-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.ktx-adaptation-card {
    background: #fff;
    padding: 3rem 2rem;
    border-radius: var(--border-rad);
    border: 1px solid var(--bg-secondary);
    transition: transform var(--trans-speed) ease;
}

.ktx-card-elevated {
    transform: translateY(-20px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.04);
    border-color: transparent;
}

.ktx-card-offset {
    transform: translateY(20px);
}

.ktx-card-icon {
    font-family: var(--font-head);
    font-size: 3rem;
    color: var(--tc-light);
    opacity: 0.5;
    margin-bottom: 1.5rem;
    line-height: 1;
}

.ktx-adaptation-card h3 {
    font-size: 1.4rem;
    margin-bottom: 1rem;
}

.ktx-adaptation-card p {
    font-size: 0.95rem;
    color: var(--text-muted);
}

/* Case Studies */
.ktx-clinical-outcomes {
    padding: 6rem 0 9rem;
    background: var(--bg-secondary);
}

.ktx-clinical-outcomes h2 {
    font-size: 2.5rem;
    margin-bottom: 4rem;
}

.ktx-outcome-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.ktx-outcome-node {
    background: var(--bg-primary);
    padding: 2.5rem;
    border-radius: var(--border-rad);
}

.ktx-outcome-shifted {
    transform: translateY(30px);
}

.ktx-outcome-data {
    font-style: italic;
    margin-bottom: 2rem;
    color: var(--text-main);
}

.ktx-subject-id {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.ktx-subject-id img {
    width: 50px;
    height: 50px;
    border-radius: 50%;
}

.ktx-subject-id strong {
    display: block;
    font-size: 0.95rem;
}

.ktx-subject-id span {
    font-size: 0.8rem;
    color: var(--tc-base);
}

/* Intake */
.ktx-intake-sequence {
    padding: 7rem 0;
    background: #fff;
}

.ktx-intake-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
}

.ktx-intake-context h2 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
}

.ktx-intake-context p {
    color: var(--text-muted);
    margin-bottom: 3rem;
}

.ktx-intake-visual {
    border-radius: var(--border-rad);
    aspect-ratio: 16/10;
}

.ktx-data-form {
    background: var(--bg-primary);
    padding: 3rem;
    border-radius: var(--border-rad);
}

.ktx-input-group {
    margin-bottom: 1.5rem;
}

.ktx-input-group label {
    display: block;
    font-size: 0.85rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: var(--text-main);
}

.ktx-input-group input,
.ktx-input-group textarea {
    width: 100%;
    padding: 1rem;
    border: 1px solid #ccc;
    border-radius: var(--border-rad);
    font-family: var(--font-body);
    background: #fff;
}

.ktx-input-group input:focus,
.ktx-input-group textarea:focus {
    outline: none;
    border-color: var(--tc-base);
}

.ktx-btn-submit {
    width: 100%;
    background: var(--tc-base);
    color: #fff;
    border: none;
    padding: 1.2rem;
    font-size: 1rem;
    font-weight: 600;
    border-radius: var(--border-rad);
    cursor: pointer;
    transition: background var(--trans-speed);
    margin-bottom: 1.5rem;
}

.ktx-btn-submit:hover {
    background: var(--tc-dark);
}

.ktx-tiny-disclaimer {
    font-size: 0.7rem;
    color: var(--text-muted);
    text-align: center;
    line-height: 1.4;
}

/* Footer */
.ktx-global-footer {
    background: var(--text-main);
    color: #fff;
    padding: 5rem 0 2rem;
}

.ktx-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
    border-bottom: 1px solid #444;
    padding-bottom: 4rem;
}

.ktx-footer-brand {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    font-family: var(--font-head);
    font-size: 1.5rem;
}

.ktx-footer-comms h4,
.ktx-footer-legal h4 {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--tc-light);
    margin-bottom: 1.5rem;
}

.ktx-footer-comms a,
.ktx-footer-legal a {
    display: block;
    color: #ccc;
    margin-bottom: 0.75rem;
    font-size: 0.95rem;
}

.ktx-footer-comms p {
    color: #ccc;
    font-size: 0.95rem;
    margin-top: 1.5rem;
}

.ktx-footer-comms a:hover,
.ktx-footer-legal a:hover {
    color: #fff;
}

.ktx-copyright {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: #888;
}

/* Responsive Leakage & Variance */
@media (max-width: 1024px) {
    .ktx-hero-bound {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .ktx-image-offset-frame {
        transform: translateY(0);
    }
    .ktx-panel-grid, .ktx-facility-grid, .ktx-intake-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    .ktx-asym-card-grid, .ktx-outcome-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .ktx-card-elevated, .ktx-card-offset, .ktx-outcome-shifted {
        transform: none;
    }
}

@media (max-width: 768px) {
    .ktx-link-cluster {
        display: none;
    }
    .ktx-primary-heading {
        font-size: 2.5rem;
    }
    .ktx-asym-card-grid, .ktx-outcome-grid {
        grid-template-columns: 1fr;
    }
    .ktx-footer-grid {
        grid-template-columns: 1fr;
    }
    .ktx-copyright {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    .ktx-methodology-tier {
        padding: 4rem 0;
    }
}