:root {
    color-scheme: light;
    --ink: #091427;
    --ink-soft: #536176;
    --navy: #071528;
    --navy-raised: #0b2038;
    --paper: #f7f5f0;
    --paper-warm: #eeebe4;
    --white: #ffffff;
    --blue: #0563d8;
    --blue-dark: #034fae;
    --blue-pale: #e9f2ff;
    --line: #d9dee6;
    --line-dark: #233950;
    --success: #047857;
    --shadow-soft: 0 24px 70px rgba(18, 32, 51, 0.12);
    --shadow-card: 0 16px 42px rgba(18, 32, 51, 0.10);
    --serif: Georgia, "Times New Roman", serif;
    --sans: Inter, ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    --shell: min(1180px, calc(100% - 48px));
}

* {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    background: var(--paper);
    color: var(--ink);
    font-family: var(--sans);
    font-size: 16px;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

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

a {
    color: inherit;
}

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

button,
input,
textarea,
select {
    font: inherit;
}

:focus-visible {
    outline: 3px solid rgba(8, 109, 242, 0.45);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    z-index: 10000;
    top: 12px;
    left: 12px;
    padding: 10px 14px;
    background: var(--ink);
    color: var(--white);
    text-decoration: none;
    transform: translateY(-160%);
}

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

.shell {
    width: var(--shell);
    margin-inline: auto;
}

.site-header {
    position: sticky;
    z-index: 1000;
    top: 0;
    border-bottom: 1px solid rgba(9, 20, 39, 0.09);
    background: rgba(247, 245, 240, 0.94);
    backdrop-filter: blur(18px);
}

.header-inner {
    min-height: 74px;
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 40px;
}

.wordmark {
    display: inline-flex;
    align-items: baseline;
    color: var(--ink);
    font-size: 15px;
    font-weight: 800;
    letter-spacing: 0.02em;
    line-height: 1;
    text-decoration: none;
}

.wordmark strong {
    color: var(--blue);
}

.primary-nav {
    display: flex;
    justify-content: center;
    gap: 28px;
}

.primary-nav a,
.text-link {
    color: var(--ink);
    font-size: 13px;
    font-weight: 650;
    text-decoration: none;
}

.primary-nav a {
    position: relative;
}

.primary-nav a::after {
    position: absolute;
    right: 0;
    bottom: -7px;
    left: 0;
    height: 1px;
    background: var(--blue);
    content: "";
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 180ms ease;
}

.primary-nav a:hover::after,
.primary-nav a:focus-visible::after {
    transform: scaleX(1);
    transform-origin: left;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 18px;
}

.menu-toggle {
    display: none;
    border: 1px solid var(--line);
    background: var(--white);
    color: var(--ink);
    padding: 8px 12px;
    font-size: 13px;
    font-weight: 700;
}

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--blue);
    background: var(--blue);
    color: var(--white);
    padding: 13px 20px;
    font-size: 13px;
    font-weight: 750;
    line-height: 1.25;
    text-align: center;
    text-decoration: none;
    transition: background-color 180ms ease, border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.button:hover {
    border-color: var(--blue-dark);
    background: var(--blue-dark);
    box-shadow: 0 12px 30px rgba(8, 109, 242, 0.22);
    transform: translateY(-2px);
}

.button-small {
    min-height: 38px;
    padding: 9px 14px;
    font-size: 12px;
}

.button-secondary {
    border-color: #b9c3d1;
    background: transparent;
    color: var(--ink);
}

.button-secondary:hover {
    border-color: var(--ink);
    background: var(--white);
    color: var(--ink);
    box-shadow: none;
}

.hero {
    overflow: hidden;
    padding-top: 76px;
    background: var(--paper);
}

.hero-grid {
    display: grid;
    min-height: 650px;
    grid-template-columns: minmax(0, 0.98fr) minmax(520px, 1.02fr);
    align-items: center;
    gap: 34px;
}

.hero-copy {
    position: relative;
    z-index: 2;
    padding-block: 40px 96px;
}

.eyebrow {
    margin: 0 0 18px;
    color: var(--blue);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 0.14em;
    line-height: 1.4;
    text-transform: uppercase;
}

h1,
h2 {
    margin: 0;
    font-family: var(--serif);
    font-weight: 600;
    letter-spacing: -0.04em;
}

h1 {
    max-width: 690px;
    font-size: clamp(3.4rem, 4.55vw, 4.35rem);
    line-height: 0.98;
}

h2 {
    font-size: clamp(2.3rem, 3.8vw, 4.15rem);
    line-height: 1.04;
}

h3 {
    margin: 0;
    font-size: 1rem;
    line-height: 1.35;
}

.hero-summary {
    max-width: 610px;
    margin: 28px 0 0;
    color: var(--ink-soft);
    font-size: 18px;
    line-height: 1.6;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: 32px;
}

.hero-note {
    display: flex;
    align-items: center;
    gap: 12px;
    margin: 34px 0 0;
    color: var(--ink-soft);
    font-size: 12px;
    font-weight: 650;
}

.hero-note span {
    display: inline-grid;
    width: 32px;
    height: 32px;
    place-items: center;
    border: 1px solid #b9c8dc;
    border-radius: 50%;
    color: var(--blue);
    font-size: 10px;
}

.hero-visual {
    position: relative;
    align-self: stretch;
    min-height: 650px;
}

.hero-visual > img {
    position: absolute;
    top: 0;
    right: 80px;
    width: min(700px, 58vw);
    height: 610px;
    object-fit: cover;
    object-position: 52% center;
}

.dashboard-preview {
    position: absolute;
    z-index: 3;
    right: -80px;
    bottom: 70px;
    width: min(300px, 54%);
    border: 1px solid #d8dde4;
    background: var(--white);
    box-shadow: var(--shadow-soft);
}

.dashboard-preview img {
    width: 100%;
    height: auto;
}

.preview-label {
    display: block;
    border-bottom: 1px solid #e5e8ed;
    padding: 8px 12px;
    color: #66758a;
    font-size: 9px;
    font-weight: 750;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.proof-rail {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.proof-rail div {
    display: flex;
    min-height: 96px;
    align-items: center;
    gap: 14px;
    border-right: 1px solid var(--line);
    padding: 20px 24px;
}

.proof-rail div:last-child {
    border-right: 0;
}

.proof-rail span,
.capability-list > li > span {
    color: var(--blue);
    font-family: var(--serif);
    font-size: 19px;
}

.proof-rail p {
    margin: 0;
    font-size: 12px;
    font-weight: 750;
    line-height: 1.35;
}

.section {
    padding-block: 124px;
}

.two-column,
.faq-layout,
.evidence-grid {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(480px, 1.2fr);
    gap: clamp(70px, 10vw, 148px);
}

.section-intro h2 {
    max-width: 570px;
}

.section-intro > p:last-child {
    color: var(--ink-soft);
}

.section-intro a {
    color: var(--blue-dark);
}

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

.problem-copy .lead {
    margin: 0 0 40px;
    color: var(--ink);
    font-family: var(--serif);
    font-size: 25px;
    line-height: 1.42;
}

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

.signal-list li {
    display: grid;
    grid-template-columns: 44px 1fr;
    align-items: center;
    border-top: 1px solid var(--line);
    padding: 18px 0;
    color: var(--ink-soft);
}

.signal-list li:last-child {
    border-bottom: 1px solid var(--line);
}

.signal-list span {
    color: var(--blue);
    font-size: 10px;
    font-weight: 800;
}

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

.section-heading {
    max-width: 820px;
    margin-bottom: 66px;
}

.section-heading > p:last-child {
    max-width: 660px;
    margin: 24px 0 0;
    color: var(--ink-soft);
}

.light-heading {
    margin-inline: auto;
    text-align: center;
}

.light-heading > p:last-child {
    margin-inline: auto;
    color: #aebbd0;
}

.system-story {
    display: grid;
    grid-template-columns: minmax(0, 1.08fr) minmax(420px, 0.92fr);
    gap: 76px;
    align-items: center;
}

.controller-figure {
    margin: 0;
    border: 1px solid var(--line-dark);
    background: #0b1d32;
}

.controller-figure img {
    width: 100%;
    aspect-ratio: 1.42;
    object-fit: cover;
    object-position: left center;
}

.controller-figure figcaption,
.dashboard-figure figcaption {
    padding: 12px 16px;
    color: #91a0b5;
    font-size: 10px;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

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

.architecture-list li {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 18px;
    border-top: 1px solid var(--line-dark);
    padding-block: 26px;
}

.architecture-list li:last-child {
    border-bottom: 1px solid var(--line-dark);
}

.architecture-number {
    color: var(--blue);
    font-family: var(--serif);
    font-size: 25px;
}

.architecture-label {
    margin: 0 0 5px;
    color: #7ca6df;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.architecture-list h3 {
    font-size: 18px;
}

.architecture-list p:last-child {
    margin: 10px 0 0;
    color: #aebbd0;
    font-size: 14px;
}

.split-heading {
    display: grid;
    max-width: none;
    grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
    align-items: end;
    gap: 80px;
}

.split-heading > p:last-child {
    margin: 0;
}

.capability-layout {
    display: grid;
    grid-template-columns: minmax(300px, 0.72fr) minmax(0, 1.28fr);
    gap: 68px;
    align-items: start;
}

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

.capability-list li {
    display: grid;
    grid-template-columns: 44px 1fr;
    gap: 14px;
    border-top: 1px solid var(--line);
    padding: 21px 0;
}

.capability-list li:last-child {
    border-bottom: 1px solid var(--line);
}

.capability-list h3 {
    font-size: 16px;
}

.capability-list p {
    margin: 5px 0 0;
    color: var(--ink-soft);
    font-size: 13px;
}

.dashboard-figure {
    margin: 0;
    border: 1px solid #dbe0e7;
    background: var(--white);
    box-shadow: var(--shadow-card);
}

.dashboard-figure img {
    width: 100%;
}

.figure-toolbar {
    display: flex;
    justify-content: space-between;
    border-bottom: 1px solid #e7eaf0;
    padding: 11px 15px;
    color: #68768b;
    font-size: 9px;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.outcomes-section {
    padding-block: 84px;
    background: var(--navy);
    color: var(--white);
    text-align: center;
}

.outcomes-section h2 {
    max-width: 860px;
    margin-inline: auto;
    font-size: clamp(2.2rem, 3.5vw, 3.65rem);
}

.outcome-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 60px;
    border-top: 1px solid var(--line-dark);
    border-bottom: 1px solid var(--line-dark);
    text-align: left;
}

.outcome-grid article {
    border-right: 1px solid var(--line-dark);
    padding: 30px 26px 34px;
}

.outcome-grid article:last-child {
    border-right: 0;
}

.outcome-grid span,
.deployment-list > li > span {
    color: var(--blue);
    font-family: var(--serif);
    font-size: 20px;
}

.outcome-grid h3 {
    margin-top: 22px;
}

.outcome-grid p {
    margin: 10px 0 0;
    color: #aebbd0;
    font-size: 13px;
}

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

.application-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.application-grid article {
    min-height: 260px;
    border-right: 1px solid var(--line);
    padding: 30px 26px;
}

.application-grid article:last-child {
    border-right: 0;
}

.application-index {
    margin: 0 0 76px;
    color: var(--blue);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.12em;
}

.application-grid h3 {
    font-family: var(--serif);
    font-size: 22px;
    font-weight: 600;
}

.application-grid p:last-child {
    margin: 12px 0 0;
    color: var(--ink-soft);
    font-size: 13px;
}

.deployment-section {
    background: var(--paper-warm);
}

.deployment-list {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin: 0;
    padding: 0;
    border: 1px solid #cfd5de;
    background: var(--paper);
    list-style: none;
}

.deployment-list li {
    min-height: 230px;
    border-right: 1px solid #cfd5de;
    padding: 28px 25px;
}

.deployment-list li:last-child {
    border-right: 0;
}

.deployment-list h3 {
    margin-top: 46px;
    font-family: var(--serif);
    font-size: 24px;
    font-weight: 600;
}

.deployment-list p {
    margin: 10px 0 0;
    color: var(--ink-soft);
    font-size: 13px;
}

.evidence-section {
    padding-block: 96px;
    background: var(--navy);
    color: var(--white);
}

.evidence-grid {
    align-items: end;
}

.evidence-grid h2 {
    max-width: 620px;
}

.evidence-grid > div:last-child > p {
    margin: 0 0 28px;
    color: #b4c0d2;
}

.arrow-link {
    color: var(--white);
    font-size: 13px;
    font-weight: 750;
    text-underline-offset: 6px;
}

.arrow-link span {
    margin-left: 8px;
    color: var(--blue);
}

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

.faq-list {
    border-top: 1px solid var(--line);
}

.faq-list details {
    border-bottom: 1px solid var(--line);
}

.faq-list summary {
    position: relative;
    cursor: pointer;
    list-style: none;
    padding: 22px 46px 22px 0;
    font-family: var(--serif);
    font-size: 20px;
    font-weight: 600;
}

.faq-list summary::-webkit-details-marker {
    display: none;
}

.faq-list summary::after {
    position: absolute;
    top: 19px;
    right: 6px;
    color: var(--blue);
    content: "+";
    font-family: var(--sans);
    font-size: 22px;
    font-weight: 400;
}

.faq-list details[open] summary::after {
    content: "−";
}

.faq-list details p {
    max-width: 640px;
    margin: -5px 0 24px;
    color: var(--ink-soft);
}

.final-cta {
    padding-block: 72px;
    background: var(--blue);
    color: var(--white);
}

.final-cta-inner {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(360px, 0.7fr);
    align-items: center;
    gap: 70px;
}

.final-cta .eyebrow {
    color: #d7e8ff;
}

.final-cta h2 {
    font-size: clamp(2.4rem, 4vw, 4.2rem);
}

.final-cta p:last-child {
    margin: 18px 0 0;
    color: #e6f0ff;
}

.final-actions {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 20px;
}

.button-light {
    border-color: var(--white);
    background: var(--white);
    color: var(--blue-dark);
}

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

.text-link-light {
    color: var(--white);
    text-decoration: underline;
    text-underline-offset: 5px;
}

.site-footer {
    padding-top: 70px;
    background: #040e1d;
    color: var(--white);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 70px;
}

.wordmark-light {
    color: var(--white);
}

.footer-brand p {
    max-width: 310px;
    margin: 22px 0 0;
    color: #8f9db1;
    font-size: 13px;
}

.footer-grid h2 {
    margin: 0 0 18px;
    color: #718198;
    font-family: var(--sans);
    font-size: 10px;
    font-weight: 800;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.footer-grid > div:not(.footer-brand) {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.footer-grid > div:not(.footer-brand) a {
    margin-bottom: 9px;
    color: #aab6c7;
    font-size: 12px;
    text-decoration: none;
}

.footer-grid a:hover {
    color: var(--white);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    margin-top: 60px;
    border-top: 1px solid #1e3045;
    padding-block: 22px;
    color: #718198;
    font-size: 10px;
}

.footer-bottom p {
    margin: 0;
}

@media (max-width: 1080px) {
    :root {
        --shell: min(100% - 40px, 920px);
    }

    .header-inner {
        grid-template-columns: auto 1fr auto;
        gap: 24px;
    }

    .primary-nav {
        gap: 18px;
    }

    .header-actions .text-link {
        display: none;
    }

    .hero-grid {
        min-height: auto;
        grid-template-columns: 1fr;
        padding-top: 20px;
    }

    .hero-copy {
        max-width: 800px;
        padding: 50px 0 0;
    }

    .hero-visual {
        min-height: 620px;
    }

    .hero-visual > img {
        right: 40px;
        width: min(760px, 86vw);
        height: 620px;
    }

    .dashboard-preview {
        right: -10px;
        bottom: 42px;
        width: min(300px, 42%);
    }

    .system-story,
    .capability-layout {
        grid-template-columns: 1fr;
    }

    .system-story {
        gap: 38px;
    }

    .controller-figure {
        max-width: 760px;
    }

    .application-grid,
    .deployment-list,
    .outcome-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .application-grid article:nth-child(2),
    .deployment-list li:nth-child(2),
    .outcome-grid article:nth-child(2) {
        border-right: 0;
    }

    .application-grid article:nth-child(-n + 2),
    .deployment-list li:nth-child(-n + 2),
    .outcome-grid article:nth-child(-n + 2) {
        border-bottom: 1px solid var(--line);
    }

    .outcome-grid article:nth-child(-n + 2) {
        border-bottom-color: var(--line-dark);
    }
}

@media (max-width: 820px) {
    .site-header {
        position: sticky;
    }

    .header-inner {
        min-height: 66px;
        grid-template-columns: auto auto;
        justify-content: space-between;
    }

    .menu-toggle {
        display: inline-flex;
        align-items: center;
        justify-content: center;
    }

    .primary-nav {
        position: fixed;
        z-index: 1001;
        top: 66px;
        right: 0;
        left: 0;
        display: none;
        min-height: calc(100vh - 66px);
        flex-direction: column;
        justify-content: flex-start;
        gap: 0;
        background: var(--paper);
        padding: 34px 24px;
    }

    .primary-nav[data-open="true"] {
        display: flex;
    }

    .primary-nav a {
        border-bottom: 1px solid var(--line);
        padding: 20px 0;
        font-family: var(--serif);
        font-size: 28px;
        font-weight: 600;
    }

    .header-actions {
        display: none;
    }

    .hero {
        padding-top: 30px;
    }

    h1 {
        font-size: clamp(3rem, 12vw, 4.6rem);
    }

    .hero-visual {
        min-height: 560px;
    }

    .hero-visual > img {
        right: -60px;
        width: 760px;
        max-width: none;
        height: 560px;
    }

    .dashboard-preview {
        right: 0;
        bottom: 32px;
        width: min(280px, 48%);
    }

    .proof-rail {
        grid-template-columns: repeat(2, 1fr);
    }

    .proof-rail div:nth-child(2) {
        border-right: 0;
    }

    .proof-rail div:nth-child(-n + 2) {
        border-bottom: 1px solid var(--line);
    }

    .two-column,
    .faq-layout,
    .evidence-grid,
    .split-heading,
    .final-cta-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .split-heading {
        align-items: start;
    }

    .footer-grid {
        grid-template-columns: 2fr 1fr 1fr;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }
}

@media (max-width: 600px) {
    :root {
        --shell: calc(100% - 30px);
    }

    .section {
        padding-block: 86px;
    }

    .hero-copy {
        padding-top: 30px;
    }

    .hero-summary {
        font-size: 16px;
    }

    .hero-actions {
        align-items: stretch;
        flex-direction: column;
    }

    .hero-actions .button {
        width: 100%;
    }

    .hero-visual {
        min-height: 450px;
    }

    .hero-visual > img {
        right: -115px;
        width: 650px;
        height: 450px;
    }

    .dashboard-preview {
        bottom: 24px;
        width: 54%;
    }

    .proof-rail {
        grid-template-columns: 1fr;
    }

    .proof-rail div {
        min-height: 72px;
        border-right: 0;
        border-bottom: 1px solid var(--line);
        padding: 16px;
    }

    .proof-rail div:last-child {
        border-bottom: 0;
    }

    .problem-copy .lead {
        font-size: 21px;
    }

    .system-story {
        grid-template-columns: minmax(0, 1fr);
    }

    .architecture-list li {
        grid-template-columns: 46px 1fr;
    }

    .application-grid,
    .deployment-list,
    .outcome-grid {
        grid-template-columns: 1fr;
    }

    .application-grid article,
    .deployment-list li,
    .outcome-grid article {
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .outcome-grid article {
        border-bottom-color: var(--line-dark);
    }

    .application-grid article:last-child,
    .deployment-list li:last-child,
    .outcome-grid article:last-child {
        border-bottom: 0;
    }

    .application-index {
        margin-bottom: 46px;
    }

    .final-actions,
    .final-actions .button {
        width: 100%;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 42px 28px;
    }

    .footer-brand {
        grid-column: 1 / -1;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
        gap: 8px;
    }
}

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
    }
}