:root {
    --nf-black: #0a0a0a;
    --nf-dark-grey: #1f1f1f;
    --nf-mid-grey: #5c5c5c;
    --nf-light-grey: #e0e0e0;
    --nf-off-white: #f7f7f7;
    --nf-white: #ffffff;
    --nf-font-stack: 'Manrope', sans-serif;
}

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

body {
    font-family: var(--nf-font-stack);
    background-color: var(--nf-off-white);
    color: var(--nf-black);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

img {
    width: 100%;
    height: auto;
    object-fit: cover;
    filter: grayscale(100%) contrast(1.1);
}

a {
    color: inherit;
    text-decoration: none;
    transition: opacity 0.2s ease;
}

a:hover {
    opacity: 0.7;
}

/* Typography */
.nf-section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 800;
    letter-spacing: -0.03em;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

.nf-sub-title {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1rem;
}

.nf-body-copy {
    font-size: 1.125rem;
    color: var(--nf-mid-grey);
    margin-bottom: 1.25rem;
    max-width: 65ch;
}

.nf-text-center {
    text-align: center;
}

/* Header */
.nf-global-header {
    position: sticky;
    top: 0;
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--nf-light-grey);
    z-index: 1000;
}

.nf-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.25rem 4vw;
    max-width: 1400px;
    margin: 0 auto;
}

.nf-brand-mark {
    font-size: 1.25rem;
    font-weight: 300;
    letter-spacing: 0.05em;
}

.nf-mark-bold {
    font-weight: 800;
}

.nf-primary-nav {
    display: flex;
    gap: 2rem;
    align-items: center;
}

.nf-nav-node {
    font-weight: 500;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.nf-nav-emphasis {
    background-color: var(--nf-black);
    color: var(--nf-white);
    padding: 0.5rem 1rem;
    border-radius: 2px;
}

.nf-nav-emphasis:hover {
    background-color: var(--nf-mid-grey);
    opacity: 1;
}

.nf-nav-muted {
    color: var(--nf-mid-grey);
}

/* Hero */
.nf-hero-masthead {
    position: relative;
    width: 100%;
    height: 90vh;
    min-height: 600px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.nf-hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 1;
}

.nf-hero-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right, rgba(10,10,10,0.9) 0%, rgba(10,10,10,0.4) 100%);
    z-index: 2;
}

.nf-hero-content-plane {
    position: relative;
    z-index: 3;
    color: var(--nf-white);
    max-width: 1200px;
    padding: 0 4vw;
    width: 100%;
}

.nf-hero-headline {
    font-size: clamp(3rem, 6vw, 5rem);
    font-weight: 800;
    line-height: 1;
    letter-spacing: -0.04em;
    margin-bottom: 1.5rem;
    max-width: 18ch;
}

.nf-hero-subtext {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    font-weight: 300;
    color: var(--nf-light-grey);
    max-width: 50ch;
    margin-bottom: 2.5rem;
}

.nf-action-trigger-primary {
    display: inline-block;
    background-color: var(--nf-white);
    color: var(--nf-black);
    padding: 1rem 2rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border: 1px solid var(--nf-white);
    cursor: pointer;
}

.nf-action-trigger-primary:hover {
    background-color: transparent;
    color: var(--nf-white);
    opacity: 1;
}

/* Sections General */
section, .nf-core-capabilities, aside {
    padding: 6rem 4vw;
    max-width: 1400px;
    margin: 0 auto;
}

/* About Profile */
.nf-profile-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
}

.nf-inline-reference {
    text-decoration: underline;
    text-decoration-thickness: 2px;
    text-underline-offset: 4px;
    color: var(--nf-black);
    font-weight: 500;
}

.nf-visual-caption {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--nf-mid-grey);
    border-left: 2px solid var(--nf-black);
    padding-left: 1rem;
}

/* Capabilities (Services) */
.nf-core-capabilities {
    background-color: var(--nf-white);
    padding-top: 8rem;
    padding-bottom: 8rem;
    max-width: 100%;
}

.nf-capabilities-intro {
    max-width: 1400px;
    margin: 0 auto 4rem;
    padding: 0 4vw;
}

.nf-process-ladder {
    max-width: 1400px;
    margin: 0 auto 5rem;
    padding: 0 4vw;
    background-color: var(--nf-off-white);
    padding-block: 3rem;
    border-left: 4px solid var(--nf-black);
}

.nf-ladder-list {
    list-style-type: none;
    counter-reset: nf-counter;
}

.nf-ladder-list li {
    position: relative;
    padding-left: 3rem;
    margin-bottom: 1rem;
    font-size: 1.1rem;
    color: var(--nf-mid-grey);
}

.nf-ladder-list li::before {
    counter-increment: nf-counter;
    content: "0" counter(nf-counter);
    position: absolute;
    left: 0;
    top: 0;
    font-weight: 800;
    color: var(--nf-black);
}

.nf-ladder-list strong {
    color: var(--nf-black);
}

.nf-capability-matrix {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 4vw;
}

.nf-matrix-node {
    background-color: var(--nf-off-white);
    padding: 2rem;
    transition: transform 0.3s ease;
}

.nf-matrix-node:hover {
    transform: translateY(-5px);
}

.nf-node-img {
    height: 200px;
    margin-bottom: 1.5rem;
}

.nf-node-title {
    font-size: 1.25rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
}

.nf-node-desc {
    color: var(--nf-mid-grey);
    font-size: 0.95rem;
}

/* Testimonials */
.nf-client-voices {
    padding-top: 7rem;
    padding-bottom: 5rem;
}

.nf-voice-track {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.nf-voice-card {
    border-top: 1px solid var(--nf-light-grey);
    padding-top: 2rem;
}

.nf-quote {
    font-size: 1.25rem;
    font-style: italic;
    margin-bottom: 2rem;
    color: var(--nf-dark-grey);
}

.nf-author-block {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.nf-author-avatar {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    filter: grayscale(100%);
}

.nf-author-meta {
    display: flex;
    flex-direction: column;
}

.nf-author-name {
    font-weight: 800;
    font-size: 1rem;
}

.nf-author-role {
    font-size: 0.85rem;
    color: var(--nf-mid-grey);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* Contact & FAQ */
.nf-comms-hub {
    background-color: var(--nf-black);
    color: var(--nf-white);
    max-width: 100%;
}

.nf-comms-layout {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 6rem;
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 4vw;
}

.nf-comms-hub .nf-section-title,
.nf-comms-hub .nf-sub-title {
    color: var(--nf-white);
}

.nf-comms-hub .nf-body-copy {
    color: var(--nf-light-grey);
}

.nf-data-form {
    margin-top: 2rem;
}

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

.nf-input-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-size: 0.85rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--nf-light-grey);
}

.nf-input-group input,
.nf-input-group textarea {
    width: 100%;
    padding: 1rem;
    background-color: var(--nf-dark-grey);
    border: 1px solid var(--nf-mid-grey);
    color: var(--nf-white);
    font-family: inherit;
}

.nf-input-group input:focus,
.nf-input-group textarea:focus {
    outline: none;
    border-color: var(--nf-white);
}

.nf-submit-btn {
    width: 100%;
    margin-bottom: 1rem;
}

.nf-submit-btn:hover {
    background-color: var(--nf-mid-grey);
    border-color: var(--nf-mid-grey);
}

.nf-noise-text {
    display: block;
    font-size: 0.75rem;
    color: var(--nf-mid-grey);
    text-align: right;
}

/* Accordion */
.nf-accordion-wrap {
    border-top: 1px solid var(--nf-mid-grey);
}

.nf-accordion-item {
    border-bottom: 1px solid var(--nf-mid-grey);
}

.nf-accordion-trigger {
    width: 100%;
    background: none;
    border: none;
    color: var(--nf-white);
    text-align: left;
    padding: 1.5rem 0;
    font-size: 1.1rem;
    font-weight: 500;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: inherit;
}

.nf-accordion-trigger::after {
    content: '+';
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.nf-accordion-trigger.active::after {
    transform: rotate(45deg);
}

.nf-accordion-panel {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
}

.nf-accordion-panel p {
    padding-bottom: 1.5rem;
    color: var(--nf-light-grey);
    font-size: 0.95rem;
}

/* Footer */
.nf-base-footer {
    background-color: var(--nf-off-white);
    padding: 4rem 4vw 2rem;
    border-top: 1px solid var(--nf-light-grey);
}

.nf-footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 3rem;
    max-width: 1400px;
    margin: 0 auto 4rem;
}

.nf-footer-micro {
    margin-top: 1rem;
    font-size: 0.85rem;
    color: var(--nf-mid-grey);
}

.nf-footer-heading {
    font-weight: 800;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 0.05em;
}

.nf-footer-links {
    list-style: none;
}

.nf-footer-links li {
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    color: var(--nf-mid-grey);
}

.nf-footer-bottom {
    text-align: center;
    padding-top: 2rem;
    border-top: 1px solid var(--nf-light-grey);
    font-size: 0.8rem;
    color: var(--nf-mid-grey);
}

/* Simple Static Page Layout */
.nf-static-layout {
    padding: 8rem 4vw 4rem;
    max-width: 800px;
    margin: 0 auto;
    min-height: 70vh;
}

.nf-static-layout h1 {
    margin-bottom: 2rem;
}

.nf-static-layout h2 {
    margin: 2rem 0 1rem;
}

.nf-static-layout p {
    margin-bottom: 1rem;
    color: var(--nf-mid-grey);
}

/* Responsive Leakage */
@media (max-width: 900px) {
    .nf-profile-grid,
    .nf-comms-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }
    
    .nf-footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
    
    .nf-primary-nav {
        display: none; /* Simplification for mobile in this demo */
    }
}