:root {
    color-scheme: dark;
    --bg: #080705;
    --bg-deep: #030302;
    --surface: #11100d;
    --surface-strong: #191711;
    --text: #fffaf0;
    --text-soft: #d3c4b8;
    --text-muted: #8d7c71;
    --line: rgba(255, 103, 68, 0.16);
    --line-strong: rgba(255, 103, 68, 0.34);
    --accent: #ff6744;
    --accent-strong: #ff7a55;
    --accent-ink: #190805;
    --danger-muted: #8f8878;
    --page-gutter: clamp(1.25rem, 4vw, 4.5rem);
    --container: 87.5rem;
    --radius: 0.875rem;
    --header-height: 4.5rem;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after {
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 1.5rem);
}

body {
    margin: 0;
    background:
        radial-gradient(circle at 50% 0%, rgba(255, 103, 68, 0.16), transparent 34rem),
        var(--bg);
    color: var(--text);
    font-family: "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
    font-synthesis: none;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

body::before {
    position: fixed;
    inset: 0;
    z-index: 6;
    pointer-events: none;
    content: "";
    opacity: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.7'/%3E%3C/svg%3E");
}

button, a {
    font: inherit;
}

a {
    color: inherit;
}

button:focus-visible,
a:focus-visible {
    outline: 0.1875rem solid var(--accent);
    outline-offset: 0.25rem;
}

.skip-link {
    position: fixed;
    top: 0.5rem;
    left: 0.5rem;
    z-index: 20;
    padding: 0.65rem 1rem;
    border-radius: 0.5rem;
    background: var(--accent);
    color: var(--accent-ink);
    font-weight: 700;
    transform: translateY(-150%);
}

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

.site-container {
    width: min(100%, var(--container));
    margin-inline: auto;
    padding-inline: var(--page-gutter);
}

.site-section {
    padding-block: clamp(6rem, 11vw, 10rem);
}

.site-header {
    position: fixed;
    inset: 0 0 auto;
    z-index: 10;
    height: var(--header-height);
    border-bottom: 1px solid transparent;
    background: rgba(3, 3, 2, 0.96);
    backdrop-filter: blur(1rem);
    --text: #fffaf0;
    --text-soft: #d3c4b8;
    --line: rgba(255, 103, 68, 0.16);
    --line-strong: rgba(255, 103, 68, 0.34);
    --surface: #11100d;
    --surface-strong: #191711;
    --accent: #ff6744;
    --accent-strong: #ff7a55;
    --accent-ink: #190805;
    transition: border-color 300ms var(--ease);
}

.site-header.is-scrolled {
    border-color: var(--line);
}

.site-nav {
    width: min(100%, var(--container));
    height: 100%;
    margin-inline: auto;
    padding-inline: var(--page-gutter);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.brand {
    display: inline-flex;
    align-items: center;
    flex: 0 0 auto;
    color: var(--text);
    text-decoration: none;
}

.brand-logo {
    width: 4.4rem;
    aspect-ratio: 512 / 464;
    display: block;
    background: #030302;
}

.brand-logo img {
    width: 100%;
    height: auto;
    display: block;
}

.nav-menu,
.nav-links {
    display: flex;
    align-items: center;
}

.nav-menu {
    gap: clamp(1rem, 3vw, 3rem);
}

.nav-links {
    gap: clamp(1rem, 2.2vw, 2.25rem);
}

.nav-links a {
    color: var(--text-soft);
    font-size: 0.875rem;
    text-decoration: none;
    transition: color 180ms ease;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-actions {
    display: flex;
    align-items: center;
    gap: 0.7rem;
}

.contact-control {
    position: relative;
}

.contact-button {
    min-height: 2.65rem;
    padding-inline: 1.1rem;
    border: 1px solid var(--line-strong);
    border-radius: 0.625rem;
    background: rgba(17, 16, 13, 0.72);
    color: var(--text);
    font-size: 0.875rem;
    font-weight: 700;
    cursor: pointer;
    transition: border-color 180ms ease, background-color 180ms ease, transform 180ms var(--ease);
}

.contact-button:hover,
.contact-button[aria-expanded="true"] {
    border-color: var(--accent);
    background: var(--surface-strong);
}

.contact-button:active {
    transform: translateY(0.0625rem) scale(0.98);
}

.contact-panel {
    position: absolute;
    top: calc(100% + 0.8rem);
    right: 0;
    width: 15rem;
    padding: 0.65rem;
    border: 1px solid var(--line-strong);
    border-radius: var(--radius);
    background: var(--surface);
    box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.46);
}

.contact-panel[hidden] {
    display: none;
}

.contact-panel::before {
    position: absolute;
    top: -0.4rem;
    right: 2rem;
    width: 0.7rem;
    height: 0.7rem;
    border-top: 1px solid var(--line-strong);
    border-left: 1px solid var(--line-strong);
    background: var(--surface);
    content: "";
    transform: rotate(45deg);
}

.contact-panel img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 0.625rem;
}

.contact-panel p {
    margin: 0.55rem 0 0.15rem;
    color: var(--text-soft);
    font-size: 0.75rem;
    text-align: center;
}

.login-link,
.primary-button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    white-space: nowrap;
    border-radius: 0.625rem;
    background: var(--accent);
    color: var(--accent-ink);
    font-weight: 760;
    text-decoration: none;
    transition: transform 220ms var(--ease), background-color 220ms ease;
}

.login-link {
    min-height: 2.65rem;
    padding-inline: 1.2rem;
    font-size: 0.875rem;
}

.login-link:hover,
.primary-button:hover {
    background: var(--accent-strong);
    transform: translateY(-0.125rem);
}

.login-link:active,
.primary-button:active,
.closing-action:active {
    transform: translateY(0.0625rem) scale(0.98);
}

.nav-toggle {
    display: none;
}

.hero {
    position: relative;
    min-height: 100dvh;
    overflow: hidden;
    display: grid;
    align-items: start;
    isolation: isolate;
    padding-top: var(--header-height);
    background:
        radial-gradient(circle at 50% 44%, rgba(255, 103, 68, 0.07), transparent 30rem),
        var(--bg-deep);
}

.hero-shade {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.hero-shade {
    z-index: -2;
    background:
        linear-gradient(180deg, rgba(3, 3, 2, 0.72) 0%, rgba(3, 3, 2, 0.2) 34%, rgba(3, 3, 2, 0.98) 100%);
}

.hero-wordmark {
    position: absolute;
    top: clamp(6.5rem, 10vw, 9.5rem);
    left: 50%;
    z-index: -1;
    width: 100%;
    color: rgba(255, 103, 68, 0.18);
    font-size: clamp(3rem, 8.2vw, 9.6rem);
    font-weight: 900;
    font-style: italic;
    letter-spacing: 0;
    line-height: 0.8;
    text-align: center;
    white-space: nowrap;
    transform: translateX(-50%);
}

.hero-content {
    padding-top: clamp(9rem, 22vh, 13rem);
    text-align: center;
}

.hero-kicker,
.section-kicker {
    margin: 0 0 1.5rem;
    color: var(--accent);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: none;
    margin: 0 auto;
    color: var(--text);
    font-family: "Microsoft YaHei UI", "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", system-ui, sans-serif;
    font-size: clamp(3.25rem, 7.1vw, 8.2rem);
    font-weight: 900;
    letter-spacing: -0.01em;
    line-height: 1.02;
    text-wrap: balance;
}

.hero h1 span {
    color: var(--accent-strong);
}

.hero-subtitle {
    margin: 1.25rem 0 0;
    color: rgba(255, 250, 240, 0.54);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: clamp(0.68rem, 1vw, 0.92rem);
    font-weight: 700;
    letter-spacing: 0.42em;
}

.hero-copy {
    max-width: 45rem;
    margin: 1.75rem auto 0;
    color: var(--text-soft);
    font-size: clamp(1.05rem, 1.4vw, 1.3rem);
    line-height: 1.75;
    text-wrap: balance;
}

.hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2.25rem;
}

html.is-windows .hero-wordmark {
    top: clamp(7.25rem, 15vh, 11.5rem);
    font-size: clamp(3rem, 7.35vw, 8.8rem);
    letter-spacing: 0;
}

html.is-windows .hero-content {
    padding-top: clamp(10.5rem, 28vh, 16.5rem);
}

html.is-windows .hero h1 {
    font-size: clamp(3.5rem, 6.85vw, 7.9rem);
    letter-spacing: -0.01em;
    line-height: 1.06;
}

html.is-windows .hero-kicker {
    letter-spacing: 0.18em;
}

@media (min-width: 120rem) and (min-height: 68rem) {
    html.is-windows .hero-wordmark {
        top: 18vh;
        transform: translateX(-50%) scale(1.42);
    }

    html.is-windows .hero-content {
        padding-top: 18vh;
        transform: scale(1.42);
        transform-origin: top center;
    }
}

.primary-button {
    min-height: 3.25rem;
    padding-inline: 1.5rem;
}

.text-link {
    position: relative;
    color: var(--text);
    font-weight: 680;
    text-decoration: none;
}

.text-link::after {
    position: absolute;
    inset: auto 0 -0.35rem;
    height: 0.0625rem;
    background: var(--line-strong);
    content: "";
    transform-origin: left;
    transition: transform 220ms var(--ease), background-color 220ms ease;
}

.text-link:hover::after {
    background: var(--accent);
    transform: scaleX(0.55);
}

.proof-band {
    border-block: 1px solid var(--line);
    background: var(--bg-deep);
}

.proof-grid {
    display: grid;
    grid-template-columns: 0.8fr 1fr 1.35fr 1.2fr;
}

.proof-grid p {
    min-height: 6.5rem;
    margin: 0;
    padding: 1.5rem clamp(1rem, 2vw, 2rem);
    display: flex;
    align-items: center;
    color: var(--text-soft);
    font-size: 0.82rem;
    letter-spacing: 0.02em;
}

.proof-grid p:first-child {
    padding-left: 0;
}

.proof-grid p + p {
    border-left: 1px solid var(--line);
}

.fde-section {
    padding-top: clamp(2.5rem, 4.5vw, 4rem);
    background: var(--bg);
}

.fde-intro {
    max-width: 60rem;
    margin-inline: auto;
    text-align: center;
}

.fde-intro h2,
.capabilities-heading h2,
.delivery-heading h2,
.platform-copy h2,
.team-statement h2,
.closing-layout h2 {
    margin: 0;
    font-size: clamp(2.5rem, 5vw, 5.25rem);
    font-weight: 700;
    letter-spacing: -0.055em;
    line-height: 1.08;
    text-align: center;
    text-wrap: balance;
}

.fde-intro > p:last-child {
    max-width: min(100%, 68rem);
    margin: 2rem auto 0;
    color: var(--text-soft);
    font-size: 1.05rem;
    line-height: 1.85;
    white-space: nowrap;
}

.capabilities-section {
    overflow: hidden;
    padding-bottom: clamp(2rem, 3.5vw, 3.5rem);
    background:
        radial-gradient(circle at 50% 0%, rgba(255, 103, 68, 0.12), transparent 32rem),
        var(--bg);
}

.capabilities-heading {
    max-width: 66rem;
    margin-inline: auto;
    text-align: center;
}

.capabilities-title-line,
.capabilities-title-separator {
    display: inline;
}

.capabilities-heading p:last-child {
    max-width: 46rem;
    margin: 1.35rem auto 0;
    color: var(--text-soft);
    font-size: 1.05rem;
    white-space: nowrap;
}

.capability-row {
    margin-top: clamp(1.8rem, 3.2vw, 3rem);
}

.capability-row + .capability-row {
    margin-top: clamp(1.15rem, 2.4vw, 2rem);
}

.capability-row-head {
    margin-bottom: 0.55rem;
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: baseline;
    gap: 1rem;
}

.capability-row-head span {
    color: #ff745f;
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.88rem;
    font-weight: 800;
    letter-spacing: 0.16em;
}

.capability-row-head h3 {
    margin: 0;
    color: var(--text);
    font-size: clamp(1.45rem, 2.35vw, 2.35rem);
    letter-spacing: -0.05em;
}

.capability-marquee {
    position: relative;
    margin-inline: calc(var(--page-gutter) * -1);
    overflow: hidden;
    border-block: 1px solid rgba(255, 103, 68, 0.12);
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.capability-track {
    width: max-content;
    padding-block: 0.75rem;
    display: flex;
    gap: 0.8rem;
    animation: capabilityMarquee 34s linear infinite;
}

.capability-marquee.reverse .capability-track {
    animation-direction: reverse;
    animation-duration: 38s;
}

.capability-marquee:hover .capability-track {
    animation-play-state: paused;
}

.capability-track article {
    width: clamp(15.5rem, 20vw, 21rem);
    min-height: 9.2rem;
    padding: 1.25rem;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    border: 1px solid rgba(255, 103, 68, 0.18);
    border-radius: 1.05rem;
    background:
        linear-gradient(145deg, rgba(255, 103, 68, 0.08), transparent 56%),
        #151411;
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

.capability-track article > span {
    margin-bottom: auto;
    font-size: 1.25rem;
    filter: saturate(0.88);
}

.capability-track strong,
.capability-track p {
    margin: 0;
}

.capability-track strong {
    color: var(--text);
    font-size: 1.08rem;
    letter-spacing: -0.03em;
}

.capability-track p {
    margin-top: 0.45rem;
    color: var(--text-muted);
    font-size: 0.84rem;
}

.model-contrast {
    margin-top: clamp(4.5rem, 8vw, 7.5rem);
    display: grid;
    grid-template-columns: 1fr minmax(7rem, 0.35fr) 1.2fr;
    align-items: stretch;
}

.model-contrast article {
    min-height: 21rem;
    padding: clamp(2rem, 4vw, 4rem);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    border: 1px solid var(--line);
    border-radius: var(--radius);
}

.model-contrast h3,
.model-contrast p {
    margin: 0;
}

.model-contrast h3 {
    font-size: clamp(1.75rem, 3vw, 3rem);
    letter-spacing: -0.04em;
}

.model-contrast p {
    margin-top: 1rem;
    color: var(--text-soft);
}

.model-contrast article > span,
.model-contrast article > strong {
    margin-top: 3rem;
    font-size: 0.82rem;
}

.contrast-old {
    background: rgba(255, 255, 255, 0.018);
    color: var(--danger-muted);
}

.contrast-new {
    border-color: rgba(255, 103, 68, 0.36) !important;
    background:
        linear-gradient(135deg, rgba(255, 103, 68, 0.09), transparent 55%),
        var(--surface);
}

.contrast-new strong {
    color: var(--accent);
}

.contrast-shift {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    color: var(--text-muted);
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 0.68rem;
}

.contrast-shift i {
    width: 1px;
    height: 5rem;
    background: linear-gradient(var(--line), var(--accent));
}

.delivery-section {
    background: var(--bg-deep);
}

.delivery-layout {
    display: grid;
    grid-template-columns: minmax(22rem, 0.82fr) minmax(36rem, 1.18fr);
    gap: clamp(2.5rem, 5vw, 5.5rem);
}

.delivery-heading {
    position: sticky;
    top: calc(var(--header-height) + 4rem);
    align-self: start;
}

.delivery-heading h2 {
    max-width: 10ch;
    font-size: clamp(2.35rem, 3.6vw, 3.2rem);
    text-align: left;
}

.delivery-heading .heading-line {
    display: block;
}

@media (min-width: 1025px) {
    .delivery-heading .heading-line {
        white-space: nowrap;
    }
}

.delivery-heading p {
    max-width: 25rem;
    margin: 1.75rem 0 0;
    color: var(--text-soft);
    font-size: 1.05rem;
}

.delivery-track {
    display: grid;
}

.delivery-step {
    min-height: 12.5rem;
    padding: 2.1rem 0;
    display: grid;
    grid-template-columns: 3rem 1fr auto;
    gap: 2rem;
    align-items: start;
    border-bottom: 1px solid var(--line);
}

.delivery-step:first-child {
    padding-top: 0;
}

.delivery-step:last-child {
    border-bottom: 0;
}

.step-index {
    width: 2.25rem;
    height: 2.25rem;
    display: grid;
    place-items: center;
    border: 1px solid var(--line-strong);
    border-radius: 50%;
    color: var(--accent);
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 0.75rem;
}

.delivery-step h3,
.delivery-step p {
    margin: 0;
}

.delivery-step h3 {
    font-size: clamp(1.45rem, 2.2vw, 2.1rem);
    letter-spacing: -0.035em;
}

.delivery-step p {
    max-width: 31rem;
    margin-top: 1rem;
    color: var(--text-soft);
}

.delivery-step > span {
    color: var(--text-muted);
    font-size: 0.78rem;
    white-space: nowrap;
}

.platform-section {
    overflow: hidden;
    background: var(--surface);
}

.outcome-layout {
    display: grid;
    grid-template-columns: minmax(22rem, 0.86fr) minmax(34rem, 1.14fr);
    gap: clamp(2.75rem, 6vw, 6rem);
    align-items: start;
}

.platform-copy h2 {
    max-width: 10ch;
    font-size: clamp(2.65rem, 4.65vw, 4.95rem);
    text-align: left;
}

.platform-copy > p {
    max-width: 31rem;
    margin: 2rem 0 0;
    color: var(--text-soft);
    font-size: 1.05rem;
    line-height: 1.85;
    text-align: left;
}

.outcome-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem;
}

.outcome-card {
    min-height: 15rem;
    padding: clamp(1.4rem, 2.5vw, 2rem);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    border: 1px solid var(--line);
    border-radius: var(--radius);
    background:
        linear-gradient(145deg, rgba(255, 103, 68, 0.09), transparent 58%),
        rgba(8, 7, 5, 0.34);
}

.outcome-card span {
    margin-bottom: auto;
    color: var(--accent);
    font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
    font-size: 0.75rem;
    font-weight: 800;
    letter-spacing: 0.18em;
}

.outcome-card h3,
.outcome-card p {
    margin: 0;
}

.outcome-card h3 {
    color: var(--text);
    font-size: clamp(1.35rem, 2vw, 1.9rem);
    letter-spacing: -0.04em;
}

.outcome-card p {
    margin-top: 0.85rem;
    color: var(--text-soft);
    font-size: 0.96rem;
    line-height: 1.75;
}

.team-section {
    background: var(--bg);
}

.team-layout {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(28rem, 0.8fr);
    gap: clamp(4rem, 10vw, 10rem);
    align-items: start;
}

.team-statement h2 {
    font-size: clamp(3rem, 4.8vw, 4.5rem);
    text-align: left;
}

.team-statement .heading-line {
    display: block;
}

@media (min-width: 1280px) {
    .team-statement .heading-line {
        white-space: nowrap;
    }
}

.team-detail > p {
    margin: 0;
    color: var(--text-soft);
    font-size: 1.08rem;
    line-height: 1.9;
}

.team-detail dl {
    margin: 3rem 0 0;
}

.team-detail dl div {
    padding: 1.25rem 0;
    display: grid;
    grid-template-columns: 6.5rem 1fr;
    gap: 1rem;
    border-bottom: 1px solid var(--line);
}

.team-detail dt {
    color: var(--text-muted);
    font-size: 0.78rem;
}

.team-detail dd {
    margin: 0;
    color: var(--text);
    font-size: 0.9rem;
}

.closing-section {
    padding-block: clamp(5rem, 9vw, 8rem);
    background: var(--accent);
    color: var(--accent-ink);
}

.closing-layout {
    display: grid;
    grid-template-columns: 1fr auto;
    gap: 3rem;
    align-items: end;
}

.closing-layout p {
    margin: 0 0 1.25rem;
    font-family: "SFMono-Regular", Consolas, monospace;
    font-size: 0.76rem;
    font-weight: 700;
    text-align: center;
}

.closing-layout h2 {
    font-size: clamp(2.75rem, 5.4vw, 5.75rem);
}

.closing-action {
    min-width: 18rem;
    padding: 1.4rem 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 3rem;
    border-bottom: 0.125rem solid var(--accent-ink);
    color: var(--accent-ink);
    font-weight: 760;
    text-decoration: none;
    transition: transform 220ms var(--ease);
}

.closing-action:hover {
    transform: translateY(-0.2rem);
}

.closing-action i {
    width: 1.5rem;
    height: 1.5rem;
    border-top: 0.125rem solid currentColor;
    border-right: 0.125rem solid currentColor;
    transform: rotate(45deg);
}

.site-footer {
    padding-block: 2.25rem;
    border-top: 1px solid var(--line);
    background: var(--bg-deep);
}

.footer-layout {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 2rem;
}

.footer-links {
    justify-self: end;
    display: flex;
    gap: 1.5rem;
}

.footer-links a {
    color: var(--text-muted);
    font-size: 0.75rem;
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--text);
}

.reveal-item {
    opacity: 0;
    transform: translateY(1.75rem);
    transition: opacity 700ms var(--ease), transform 700ms var(--ease);
}

.reveal-item.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.hero .reveal-item:nth-child(2) { transition-delay: 80ms; }
.hero .reveal-item:nth-child(3) { transition-delay: 160ms; }
.hero .reveal-item:nth-child(4) { transition-delay: 240ms; }

@keyframes capabilityMarquee {
    from { transform: translateX(0); }
    to { transform: translateX(calc(-50% - 0.55rem)); }
}

@media (prefers-color-scheme: light) {
    :root {
        color-scheme: dark;
    }

    .hero {
        color-scheme: dark;
    }

    .hero-shade {
        background:
            linear-gradient(180deg, rgba(3, 3, 2, 0.5) 0%, transparent 28%, rgba(3, 3, 2, 0.96) 100%),
            radial-gradient(circle at 50% 20%, transparent 0%, rgba(3, 3, 2, 0.82) 68%);
    }
}

@media (max-width: 1024px) {
    .proof-grid {
        grid-template-columns: 1fr 1fr;
    }

    .proof-grid p:nth-child(3) {
        border-left: 0;
        border-top: 1px solid var(--line);
    }

    .proof-grid p:nth-child(4) {
        border-top: 1px solid var(--line);
    }

    .delivery-layout,
    .team-layout {
        grid-template-columns: 1fr;
    }

    .delivery-heading {
        position: static;
    }

    .team-detail {
        max-width: 42rem;
        margin-left: auto;
    }

}

@media (max-width: 1024px) {
    :root {
        --header-height: 4.5rem;
    }

    html {
        scroll-padding-top: calc(var(--header-height) + 1rem);
    }

    .site-section {
        padding-block: 5rem;
    }

    .site-nav {
        position: relative;
    }

    .brand-logo {
        width: 3.7rem;
    }

    .nav-toggle {
        padding: 0;
        display: flex;
        align-items: center;
        gap: 0.65rem;
        border: 0;
        background: transparent;
        color: var(--text);
        cursor: pointer;
    }

    .nav-toggle-label {
        font-size: 0.78rem;
    }

    .nav-toggle-lines {
        width: 1.5rem;
        display: grid;
        gap: 0.35rem;
    }

    .nav-toggle-lines i {
        width: 100%;
        height: 0.0625rem;
        display: block;
        background: currentColor;
        transition: transform 220ms var(--ease);
    }

    .nav-toggle[aria-expanded="true"] .nav-toggle-lines i:first-child {
        transform: translateY(0.2rem) rotate(45deg);
    }

    .nav-toggle[aria-expanded="true"] .nav-toggle-lines i:last-child {
        transform: translateY(-0.2rem) rotate(-45deg);
    }

    .nav-menu {
        position: absolute;
        top: calc(100% + 0.75rem);
        right: var(--page-gutter);
        left: var(--page-gutter);
        padding: 1rem;
        display: none;
        align-items: stretch;
        border: 1px solid var(--line);
        border-radius: var(--radius);
        background: var(--surface);
        box-shadow: 0 1.5rem 4rem rgba(0, 0, 0, 0.32);
    }

    .nav-menu.is-open {
        display: grid;
        gap: 1rem;
    }

    .nav-links {
        display: grid;
        gap: 0;
    }

    .nav-links a {
        padding: 0.8rem 0;
        border-bottom: 1px solid var(--line);
    }

    .nav-actions {
        align-items: stretch;
        display: grid;
        grid-template-columns: 1fr 1fr;
    }

    .contact-button,
    .login-link {
        width: 100%;
    }

    .contact-panel {
        right: auto;
        left: 0;
        width: min(15rem, calc(100vw - var(--page-gutter) - var(--page-gutter) - 2rem));
    }

    .hero {
        min-height: auto;
        align-items: start;
    }

    .hero-shade {
        background:
            linear-gradient(180deg, rgba(3, 3, 2, 0.36) 0%, rgba(3, 3, 2, 0.82) 62%, rgba(3, 3, 2, 0.98) 100%);
    }

    .hero-content {
        padding-top: 7rem;
        padding-bottom: 0;
    }

    .hero-kicker {
        margin-bottom: 1rem;
    }

    .hero h1 {
        font-size: clamp(3rem, 15vw, 5rem);
    }

    .capabilities-heading p:last-child {
        white-space: normal;
    }

    .capabilities-title-line {
        display: block;
    }

    .capabilities-title-separator {
        display: none;
    }

    .hero-copy {
        max-width: 23rem;
        font-size: 1rem;
    }

    .hero-actions {
        align-items: flex-start;
        flex-direction: column;
        gap: 1.25rem;
    }

    .primary-button {
        width: 100%;
    }

    .text-link {
        align-self: center;
    }

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

    .proof-grid p,
    .proof-grid p:first-child {
        min-height: 4.5rem;
        padding: 1.25rem 0;
        border-top: 1px solid var(--line);
        border-left: 0;
    }

    .proof-grid p:first-child {
        border-top: 0;
    }

    .fde-intro {
        margin-left: 0;
    }

    .fde-intro > p:last-child {
        max-width: 42rem;
        white-space: normal;
    }

    .fde-intro h2,
    .delivery-heading h2,
    .platform-copy h2,
    .team-statement h2,
    .closing-layout h2 {
        font-size: clamp(2.35rem, 11vw, 3.4rem);
    }

    .team-statement h2 {
        text-align: center;
    }

    .model-contrast {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .model-contrast article {
        min-height: 16rem;
        padding: 2rem;
    }

    .contrast-shift {
        height: 5rem;
        flex-direction: row;
    }

    .contrast-shift i {
        width: 4rem;
        height: 1px;
        background: linear-gradient(90deg, var(--line), var(--accent));
    }

    .delivery-layout {
        gap: 3rem;
    }

    .delivery-heading h2 {
        max-width: none;
        text-align: center;
    }

    .delivery-heading p {
        max-width: 36rem;
        margin-inline: auto;
        text-align: center;
    }

    .delivery-step {
        min-height: auto;
        grid-template-columns: 2.5rem 1fr;
        gap: 1.25rem;
    }

    .delivery-step > span {
        grid-column: 2;
    }

    .outcome-layout {
        grid-template-columns: 1fr;
        gap: 3rem;
    }

    .platform-copy {
        order: -1;
        text-align: center;
    }

    .platform-copy h2 {
        max-width: none;
        text-align: center;
    }

    .platform-copy > p {
        margin-inline: auto;
        text-align: center;
    }

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

    .team-detail {
        margin-left: 0;
    }

    .team-detail dl div {
        grid-template-columns: 1fr;
        gap: 0.35rem;
    }

    .closing-layout {
        grid-template-columns: 1fr;
        align-items: start;
    }

    .closing-action {
        min-width: 0;
        width: 100%;
    }

    .footer-layout {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .footer-links {
        justify-self: start;
        flex-wrap: wrap;
        gap: 0.75rem 1.25rem;
    }
}

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

    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }

    .reveal-item {
        opacity: 1;
        transform: none;
    }
}

@media (prefers-reduced-transparency: reduce) {
    .site-header {
        backdrop-filter: none;
    }

    .site-header {
        background: #030302;
    }
}