:root {
    --color-navy: #0B1F33;
    --color-teal: #087E8B;
    --color-teal-light: #18A6A6;
    --color-surface: #F7FAFC;
    --color-white: #FFFFFF;
    --color-text: #0B1F33;
    --color-text-muted: #475569;
    --color-border: #D8E2E8;
    --color-warning: #B45309;
    --container-width: 76rem;
    --reading-width: 50rem;
    --radius-sm: 0.5rem;
    --radius-md: 0.75rem;
    --shadow-sm: 0 1px 2px rgba(11, 31, 51, 0.06);
    --shadow-md: 0 8px 24px rgba(11, 31, 51, 0.08);
    --font-sans: Inter, "IBM Plex Sans", "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    --font-mono: "IBM Plex Mono", "SFMono-Regular", Consolas, "Liberation Mono", monospace;
}

/* Base and accessibility */
*,
*::before {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    color: var(--color-text);
    background: var(--color-surface);
    font: 400 1.0625rem/1.7 var(--font-sans);
}

img {
    display: block;
    max-width: 100%;
}

a {
    color: var(--color-teal);
    text-decoration-thickness: .08em;
    text-underline-offset: .2em;
}

a:hover {
    color: var(--color-navy);
}

:focus-visible {
    outline: 3px solid var(--color-teal-light);
    outline-offset: 4px;
}

h1,
h2,
h3 {
    margin: 0;
    line-height: 1.15;
    letter-spacing: -.02em;
}

p,
ul,
ol {
    margin-top: 0;
}

button,
a {
    -webkit-tap-highlight-color: transparent;
}

.container {
    width: min(var(--container-width), calc(100% - 2rem));
    margin-inline: auto;
}

.narrow {
    width: min(var(--reading-width), calc(100% - 2rem));
}

.reading-width {
    width: min(var(--reading-width), 100%);
}

.skip-link {
    position: absolute;
    z-index: 20;
    top: .75rem;
    left: .75rem;
    padding: .65rem .9rem;
    color: var(--color-white);
    background: var(--color-navy);
    transform: translateY(-180%);
}

.skip-link:focus {
    transform: translateY(0);
}

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.eyebrow,
.mono-label {
    color: var(--color-teal);
    font: 700 .8rem/1.3 var(--font-mono);
    letter-spacing: .09em;
    text-transform: uppercase;
}

.eyebrow {
    margin-bottom: 1rem;
}

.mono-label {
    display: block;
    margin-bottom: .8rem;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 3rem;
    padding: .75rem 1.15rem;
    border: 1px solid transparent;
    border-radius: var(--radius-sm);
    font-weight: 700;
    text-decoration: none;
    transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease, transform 180ms ease;
}

.button:hover {
    transform: translateY(-1px);
}

.button-primary {
    color: var(--color-white);
    background: var(--color-teal);
}

.button-primary:hover {
    color: var(--color-white);
    background: var(--color-navy);
}

.button-secondary {
    color: var(--color-navy);
    border-color: var(--color-border);
    background: var(--color-white);
}

.button-secondary:hover {
    color: var(--color-navy);
    border-color: var(--color-teal);
}

.button-light {
    color: var(--color-navy);
    background: var(--color-white);
}

.button-light:hover {
    color: var(--color-white);
    background: var(--color-teal-light);
}

.text-link {
    font-weight: 700;
}

/* Header and navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 10;
    border-bottom: 1px solid var(--color-border);
    background: rgba(255, 255, 255, .96);
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    min-height: 5.25rem;
}

.brand {
    display: inline-block;
    flex: 0 0 auto;
    text-decoration: none;
}

.brand-logo {
    width: 14rem;
    height: auto;
}

.main-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: .15rem;
}

.main-nav a {
    padding: .6rem .65rem;
    color: var(--color-text);
    font-size: .85rem;
    font-weight: 700;
    text-decoration: none;
}

.main-nav a:hover {
    color: var(--color-teal);
}

.main-nav .nav-cta {
    margin-left: .45rem;
    color: var(--color-white);
    border-radius: var(--radius-sm);
    background: var(--color-teal);
}

.main-nav .nav-cta:hover {
    color: var(--color-white);
    background: var(--color-navy);
}

.nav-toggle {
    display: none;
    padding: .5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    color: var(--color-navy);
    background: var(--color-white);
    font: inherit;
}

.nav-toggle-label {
    margin-right: .5rem;
    font-size: .8rem;
    font-weight: 700;
}

.nav-toggle-icon {
    display: inline-grid;
    gap: 3px;
    vertical-align: middle;
}

.nav-toggle-icon span {
    display: block;
    width: 1.1rem;
    height: 2px;
    background: currentColor;
}

/* Shared content */
.page-heading {
    padding: 5rem 0 3rem;
    border-bottom: 1px solid var(--color-border);
    background: var(--color-white);
}

.page-title {
    max-width: 48rem;
    margin: 0;
    font-size: clamp(2.5rem, 6vw, 4.8rem);
    line-height: 1.15;
    letter-spacing: -.02em;
}

.intro {
    max-width: 42rem;
    margin: 1.35rem 0 0;
    color: var(--color-text-muted);
    font-size: 1.15rem;
}

.content {
    padding: 3.5rem 0 6rem;
}

.content>h1 {
    max-width: 48rem;
    margin-bottom: 1.25rem;
    font-size: clamp(2rem, 4vw, 3.4rem);
}

.content h2 {
    margin: 3rem 0 .75rem;
    font-size: clamp(1.65rem, 3vw, 2.35rem);
}

.content h3 {
    margin: 2rem 0 .5rem;
    font-size: 1.3rem;
}

.content p,
.content li {
    max-width: 50rem;
}

.content ul,
.content ol {
    padding-left: 1.35rem;
}

.content li+li {
    margin-top: .45rem;
}

.content blockquote {
    margin: 2rem 0;
    padding: 1rem 1.25rem;
    border-left: 4px solid var(--color-teal);
    background: var(--color-white);
}

.content blockquote p {
    margin-bottom: 0;
}

.project-cta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    margin-top: 4rem;
    padding: 2rem;
    border-radius: var(--radius-md);
    color: var(--color-white);
    background: var(--color-navy);
}

.project-cta .eyebrow {
    color: var(--color-teal-light);
}

.project-cta h2 {
    max-width: 32rem;
    font-size: clamp(1.5rem, 3vw, 2.2rem);
}

/* Homepage sections */
.hero {
    padding: 6.5rem 0 7rem;
    color: var(--color-navy);
    background: var(--color-white);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(17rem, .9fr);
    gap: 5rem;
    align-items: center;
}

.hero-content h1 {
    max-width: 48rem;
    font-size: clamp(3rem, 7vw, 6.5rem);
}

.hero-subtitle {
    max-width: 42rem;
    margin: 1.35rem 0 0 !important;
    color: var(--color-navy) !important;
    font-size: clamp(1.35rem, 2.5vw, 2rem) !important;
    font-weight: 700;
    line-height: 1.25;
}

.hero-content h2 {
    max-width: 42rem;
    margin: 3rem 0 1rem;
    font-size: clamp(1.8rem, 4vw, 3rem);
}

.hero-content h3 {
    max-width: 47rem;
    margin: 2.75rem 0 .9rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-border);
    font-size: clamp(1.35rem, 2.4vw, 1.75rem);
}

.hero-content hr {
    margin: 2.5rem 0;
    border: 0;
    border-top: 1px solid var(--color-border);
}

.hero-content p {
    max-width: 47rem;
    margin: 1.5rem 0 0;
    color: var(--color-text-muted);
    font-size: clamp(1.08rem, 1.5vw, 1.25rem);
}

.hero-content p:last-of-type {
    margin-top: .8rem;
}

.hero-content ul {
    max-width: 47rem;
    margin: 1.25rem 0 0;
    padding-left: 1.35rem;
}

.hero-content li+li {
    margin-top: .55rem;
}

.hero-content h3+p {
    margin-top: 0;
}

.hero-content h3~p a {
    font-weight: 700;
}

.hero-content blockquote {
    max-width: 47rem;
    margin: 2rem 0 0;
    padding: 1rem 1.25rem;
    border-left: 4px solid var(--color-teal);
    background: var(--color-surface);
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: .75rem;
    margin-top: 2rem;
}

.hero-visual {
    position: relative;
    display: grid;
    place-items: center;
    min-height: 23rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-surface);
}

.hero-visual::before,
.hero-visual::after {
    position: absolute;
    content: "";
    border: 1px solid var(--color-teal-light);
    border-radius: 50%;
    opacity: .35;
}

.hero-visual::before {
    width: 15rem;
    height: 15rem;
}

.hero-visual::after {
    width: 9rem;
    height: 9rem;
}

.hero-visual img {
    position: relative;
    width: 12rem;
}

.hero-visual-label {
    position: absolute;
    bottom: 1.25rem;
    color: var(--color-text-muted);
    font: .66rem/1 var(--font-mono);
    letter-spacing: .08em;
    text-transform: uppercase;
}

.hero-visual-label:nth-of-type(1) {
    left: 1.25rem;
}

.hero-visual-label:nth-of-type(2) {
    left: 50%;
    transform: translateX(-50%);
}

.hero-visual-label:nth-of-type(3) {
    right: 1.25rem;
}

.trust-strip {
    border-block: 1px solid var(--color-border);
    background: var(--color-surface);
}

.trust-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
}

.trust-grid>div {
    min-height: 8rem;
    padding: 1.5rem;
    border-right: 1px solid var(--color-border);
}

.trust-grid>div:first-child {
    padding-left: 0;
}

.trust-grid>div:last-child {
    border-right: 0;
}

.trust-grid strong {
    display: block;
    max-width: 18rem;
    line-height: 1.4;
}

.home-section {
    padding: 6.5rem 0;
}

.home-section-soft {
    background: #edf4f6;
}

.home-section-dark {
    color: var(--color-white);
    background: var(--color-navy);
}

.home-section-dark .eyebrow {
    color: var(--color-teal-light);
}

.section-heading {
    display: flex;
    align-items: end;
    justify-content: space-between;
    gap: 2rem;
    margin-bottom: 2.5rem;
}

.section-heading h2,
.split-section h2,
.expertise-grid h2,
.contact-band h2 {
    max-width: 42rem;
    font-size: clamp(2rem, 4vw, 3.5rem);
}

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

.service-card {
    display: flex;
    flex-direction: column;
    min-height: 15rem;
    padding: 1.7rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.service-card:hover {
    border-color: var(--color-teal);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.service-card h3 {
    max-width: 24rem;
    font-size: 1.45rem;
}

.service-card p {
    max-width: 30rem;
    margin: .8rem 0 1.5rem;
    color: var(--color-text-muted);
}

.service-card a {
    margin-top: auto;
    font-weight: 700;
}

.service-card:last-child {
    grid-column: span 2;
}

.split-section {
    display: grid;
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    gap: 5rem;
    align-items: start;
}

.issue-list {
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: issue;
}

.issue-list li {
    position: relative;
    padding: 0 0 1.4rem 3rem;
    border-left: 1px solid rgba(255, 255, 255, .4);
    counter-increment: issue;
}

.issue-list li::before {
    position: absolute;
    top: 0;
    left: -1px;
    padding: .25rem .7rem;
    color: var(--color-teal-light);
    background: var(--color-navy);
    content: "0" counter(issue);
    font: .7rem/1 var(--font-mono);
    transform: translateX(-50%);
}

.process {
    margin: 0;
    padding: 0;
    list-style: none;
}

.process-short {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 1rem;
}

.process-short li {
    position: relative;
    padding-top: 1.2rem;
    border-top: 1px solid var(--color-teal);
}

.process-short li:not(:last-child)::after {
    position: absolute;
    top: -.25rem;
    right: -.5rem;
    width: .5rem;
    height: .5rem;
    border-top: 1px solid var(--color-teal);
    border-right: 1px solid var(--color-teal);
    content: "";
    transform: rotate(45deg);
}

.process strong {
    display: block;
    font-size: 1.05rem;
}

.process p {
    margin: .5rem 0 0;
    color: var(--color-text-muted);
    font-size: .92rem;
    line-height: 1.5;
}

.process+.text-link {
    display: inline-block;
    margin-top: 2rem;
}

.system-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: .75rem 1rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.system-list li {
    padding: .8rem 0;
    border-bottom: 1px solid var(--color-border);
    font-weight: 700;
}

.fine-print {
    margin: 1.5rem 0 0;
    color: var(--color-text-muted);
    font-size: .85rem;
}

.expertise-grid {
    display: grid;
    grid-template-columns: 13rem minmax(0, 1fr);
    gap: 4rem;
    align-items: center;
}

.expertise-mark {
    display: grid;
    place-items: center;
    aspect-ratio: 1;
    padding: 2rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-md);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
}

.expertise-mark img {
    width: min(100%, 11rem);
    height: auto;
}

.expertise-grid p {
    max-width: 42rem;
    color: var(--color-text-muted);
}

.expertise-grid .text-link {
    display: inline-block;
    margin-top: 1rem;
}

.collaboration-section {
    background: var(--color-white);
}

.collaboration-section .section-heading {
    display: block;
    margin-bottom: 2.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.collaboration-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.collaboration-card {
    display: flex;
    flex-direction: column;
    min-height: 15rem;
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
}

.collaboration-card .mono-label {
    min-height: 2.2rem;
    margin-bottom: 1rem;
    line-height: 1.45;
}

.collaboration-logo {
    width: 4.5rem;
    height: 4.5rem;
    margin-bottom: 1rem;
    object-fit: contain;
    object-position: left center;
}

.collaboration-card h3 {
    margin: 0;
    font-size: 1.35rem;
}

.collaboration-card h3 a {
    color: var(--color-navy);
    text-decoration: none;
}

.collaboration-card h3 a:hover {
    color: var(--color-teal);
}

.collaboration-card p:last-child {
    margin: .9rem 0 0;
    padding-top: .9rem;
    border-top: 1px solid var(--color-border);
    color: var(--color-text-muted);
}

.collaboration-section>.container>.fine-print {
    max-width: 58rem;
    margin: 2rem 0 0;
    padding: 1rem 1.25rem;
    border-left: 3px solid var(--color-teal);
    background: var(--color-surface);
}

.home-content {
    background: var(--color-white);
}

.prose h1 {
    margin: 0 0 1.5rem;
    font-size: clamp(2rem, 4vw, 3.4rem);
}

.prose h2 {
    margin: 3rem 0 .75rem;
    font-size: clamp(1.65rem, 3vw, 2.35rem);
}

.prose h3 {
    margin: 2rem 0 .5rem;
    font-size: 1.3rem;
}

.prose p,
.prose li {
    max-width: var(--reading-width);
}

.prose li+li {
    margin-top: .45rem;
}

.prose blockquote {
    margin: 2rem 0;
    padding: 1rem 1.25rem;
    border-left: 4px solid var(--color-teal);
    background: var(--color-surface);
}

.contact-band {
    padding: 5rem 0;
    color: var(--color-white);
    background: var(--color-navy);
}

.contact-band .eyebrow {
    color: var(--color-teal-light);
}

.contact-band p {
    max-width: 43rem;
    color: #d3e0e6;
}

.contact-band-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

/* Lists and footer */
.list-items {
    margin-top: 2.5rem;
}

.list-item {
    display: grid;
    grid-template-columns: 3.5rem 1fr;
    gap: 1rem;
    margin-top: 1rem;
    padding: 1.5rem;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-sm);
    background: var(--color-white);
    box-shadow: var(--shadow-sm);
    transition: border-color 180ms ease, box-shadow 180ms ease, transform 180ms ease;
}

.list-item:first-child {
    margin-top: 0;
}

.list-item:hover {
    border-color: var(--color-teal);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.list-item h2 {
    margin: 0;
    font-size: 1.5rem;
}

.list-item p {
    max-width: 42rem;
    margin: .55rem 0 0;
    color: var(--color-text-muted);
}

.list-item-link {
    display: inline-block;
    margin-top: 1rem;
    font-weight: 700;
    text-decoration: none;
}

.site-footer {
    padding: 4rem 0;
    color: #dce8ed;
    background: var(--color-navy);
}

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

.footer-brand .brand-logo {
    width: 15rem;
}

.footer-brand p {
    color: #dce8ed;
}

.footer-note {
    max-width: 29rem;
    color: #aabec8 !important;
    font-size: .9rem;
}

.footer-nav {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: .55rem 1.5rem;
    align-content: start;
}

.footer-nav a {
    color: #dce8ed;
    text-decoration: none;
}

.footer-nav a:hover {
    color: var(--color-teal-light);
}

/* Responsive layout */
@media (max-width: 920px) {
    .main-nav {
        gap: 0;
    }

    .main-nav a {
        padding-inline: .45rem;
        font-size: .76rem;
    }

    .hero-grid,
    .split-section {
        gap: 3rem;
    }
}

@media (max-width: 760px) {

    .container,
    .narrow {
        width: min(100% - 2rem, var(--reading-width));
    }

    .header-inner {
        min-height: 4.5rem;
    }

    .brand-logo {
        width: 12rem;
    }

    .nav-toggle {
        display: block;
    }

    .main-nav {
        display: flex;
        flex-direction: column;
        align-items: stretch;
        position: absolute;
        top: 100%;
        right: 1rem;
        left: 1rem;
        padding: .65rem;
        border: 1px solid var(--color-border);
        background: var(--color-white);
        box-shadow: var(--shadow-md);
    }

    .js-enabled .main-nav {
        display: none;
    }

    .js-enabled .main-nav.is-open {
        display: flex;
    }

    .main-nav a {
        padding: .8rem;
    }

    .main-nav .nav-cta {
        margin: .35rem 0 0;
        text-align: center;
    }

    .hero {
        padding: 4rem 0 4.5rem;
    }

    .hero-grid,
    .split-section,
    .expertise-grid {
        grid-template-columns: 1fr;
    }

    .collaboration-grid {
        grid-template-columns: 1fr;
    }

    .hero-visual {
        min-height: 17rem;
    }

    .trust-grid,
    .service-grid,
    .process-short {
        grid-template-columns: 1fr;
    }

    .trust-grid>div,
    .trust-grid>div:first-child {
        padding: 1.2rem 0;
        border-right: 0;
        border-bottom: 1px solid var(--color-border);
    }

    .trust-grid>div:last-child {
        border-bottom: 0;
    }

    .home-section {
        padding: 4rem 0;
    }

    .section-heading {
        display: block;
    }

    .service-card:last-child {
        grid-column: auto;
    }

    .process-short li {
        padding: 1rem 0 1rem 1.25rem;
        border-top: 0;
        border-left: 1px solid var(--color-teal);
    }

    .process-short li:not(:last-child)::after {
        top: auto;
        right: auto;
        bottom: -.25rem;
        left: -.25rem;
        border-top: 0;
        border-right: 1px solid var(--color-teal);
        border-bottom: 1px solid var(--color-teal);
        transform: rotate(45deg);
    }

    .system-list {
        grid-template-columns: 1fr;
    }

    .expertise-mark {
        width: 7rem;
    }

    .contact-band-inner,
    .project-cta {
        align-items: flex-start;
        flex-direction: column;
    }

    .footer-grid {
        grid-template-columns: 1fr;
    }
}

@media (prefers-reduced-motion: reduce) {

    *,
    *::before {
        scroll-behavior: auto !important;
        transition-duration: .01ms !important;
        animation-duration: .01ms !important;
        animation-iteration-count: 1 !important;
    }
}