/* Self-hosted webfonts (SIL Open Font License 1.1) — see assets/fonts/OFL.txt.
   Served from this origin so the critical path holds no third-party DNS,
   TLS or stylesheet hop before the first paint. */

@font-face {
    font-family: "Archivo Black";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("/assets/fonts/archivo-black-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: "Archivo Black";
    font-style: normal;
    font-weight: 400;
    font-display: swap;
    src: url("/assets/fonts/archivo-black-latin-ext.woff2") format("woff2");
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

@font-face {
    font-family: "Atkinson Hyperlegible Next";
    font-style: normal;
    font-weight: 200 800;
    font-display: swap;
    src: url("/assets/fonts/atkinson-hyperlegible-next-latin.woff2") format("woff2");
    unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD;
}

@font-face {
    font-family: "Atkinson Hyperlegible Next";
    font-style: normal;
    font-weight: 200 800;
    font-display: swap;
    src: url("/assets/fonts/atkinson-hyperlegible-next-latin-ext.woff2") format("woff2");
    unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF;
}

:root {
    color-scheme: light;
    --font-display: "Archivo Black", Impact, sans-serif;
    --font-body: "Atkinson Hyperlegible Next", "Avenir Next", sans-serif;

    --color-paper: oklch(97% 0.012 104);
    --color-paper-deep: oklch(92% 0.018 104);
    --color-surface: oklch(99% 0.006 104);
    --color-ink: oklch(24% 0.038 164);
    --color-ink-soft: oklch(36% 0.032 164);
    --color-muted: oklch(51% 0.025 164);
    --color-line: oklch(84% 0.022 133);
    --color-line-dark: oklch(39% 0.031 164);
    --color-signal: oklch(64% 0.22 31);
    --color-signal-dark: oklch(52% 0.2 31);
    --color-mint: oklch(89% 0.095 157);
    --color-mint-deep: oklch(72% 0.145 158);
    --color-success: oklch(52% 0.13 153);
    --color-focus: oklch(62% 0.18 250);

    --shadow-sm: 0 8px 20px oklch(18% 0.035 164 / 0.07);
    --shadow-md: 0 24px 64px oklch(18% 0.035 164 / 0.12);
    --shadow-signal: 0 18px 40px oklch(48% 0.19 31 / 0.2);

    --radius-sm: 0.5rem;
    --radius-md: 0.875rem;
    --radius-lg: 1.25rem;
    --shell: 76rem;
    --header-height: 4.75rem;

    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-quart: cubic-bezier(0.25, 1, 0.5, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --duration-fast: 140ms;
    --duration-state: 240ms;
    --duration-enter: 620ms;
}

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

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

body {
    margin: 0;
    min-width: 20rem;
    overflow-x: hidden;
    background: var(--color-paper);
    color: var(--color-ink);
    font-family: var(--font-body);
    font-size: 1rem;
    font-kerning: normal;
    line-height: 1.5;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

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

a {
    color: inherit;
}

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

button {
    color: inherit;
}

svg {
    display: block;
}

[hidden] {
    display: none !important;
}

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

.section {
    position: relative;
    padding-block: clamp(5rem, 10vw, 8.5rem);
}

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

.skip-link {
    position: fixed;
    z-index: 1000;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.75rem 1rem;
    border-radius: var(--radius-sm);
    background: var(--color-ink);
    color: var(--color-paper);
    font-weight: 700;
    transform: translateY(-150%);
    transition: transform var(--duration-state) var(--ease-out);
}

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

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

.site-header {
    position: sticky;
    z-index: 200;
    top: 0;
    min-height: var(--header-height);
    border-bottom: 1px solid transparent;
    background: var(--color-paper);
    transition:
        border-color var(--duration-state) var(--ease-out),
        box-shadow var(--duration-state) var(--ease-out);
}

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

.header-inner {
    display: flex;
    min-height: var(--header-height);
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.brand {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    gap: 0.65rem;
    color: var(--color-ink);
    font-family: var(--font-display);
    font-size: 0.94rem;
    letter-spacing: -0.035em;
    text-decoration: none;
}

.brand-mark {
    width: 2.25rem;
    height: 2.25rem;
}

.desktop-nav,
.header-cta {
    display: none;
}

.menu-button {
    display: grid;
    width: 2.75rem;
    height: 2.75rem;
    place-content: center;
    gap: 0.36rem;
    border: 1px solid var(--color-line);
    border-radius: var(--radius-sm);
    background: var(--color-surface);
    cursor: pointer;
}

.menu-button span:not(.sr-only) {
    width: 1.15rem;
    height: 2px;
    background: var(--color-ink);
    transition: transform var(--duration-state) var(--ease-in-out);
}

.menu-button[aria-expanded="true"] span:nth-of-type(2) {
    transform: translateY(4px) rotate(45deg);
}

.menu-button[aria-expanded="true"] span:nth-of-type(3) {
    transform: translateY(-4px) rotate(-45deg);
}

.mobile-nav {
    position: fixed;
    inset: var(--header-height) 0 0;
    z-index: 190;
    display: flex;
    flex-direction: column;
    gap: 0;
    padding: 1.5rem 1rem max(2rem, env(safe-area-inset-bottom));
    background: var(--color-paper);
}

.mobile-nav > a:not(.button) {
    display: flex;
    min-height: 4rem;
    align-items: center;
    border-bottom: 1px solid var(--color-line);
    font-family: var(--font-display);
    font-size: 1.4rem;
    text-decoration: none;
}

.mobile-nav .button {
    margin-top: 1.5rem;
}

.button {
    display: inline-flex;
    min-height: 3.25rem;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    padding: 0.8rem 1.25rem;
    border: 1px solid var(--color-ink);
    border-radius: var(--radius-sm);
    background: var(--color-ink);
    color: var(--color-paper);
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    box-shadow: none;
    transition:
        transform var(--duration-fast) var(--ease-out),
        background-color var(--duration-state) var(--ease-out),
        color var(--duration-state) var(--ease-out),
        box-shadow var(--duration-state) var(--ease-out);
}

.button svg {
    width: 1.1rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
    transition: transform var(--duration-state) var(--ease-out);
}

.button--primary {
    border-color: var(--color-signal);
    background: var(--color-signal);
    color: var(--color-ink);
    box-shadow: var(--shadow-signal);
}

.button--small {
    min-height: 2.75rem;
    padding: 0.7rem 1rem;
    font-size: 0.94rem;
}

.button--dark {
    border-color: var(--color-ink);
    background: var(--color-ink);
}

.button:active {
    transform: scale(0.97);
}

.hero {
    min-height: calc(100svh - var(--header-height));
    display: grid;
    align-items: start;
    overflow: clip;
    padding-block-start: clamp(1.5rem, 3vw, 3rem);
    padding-block-end: clamp(3.5rem, 7vw, 6rem);
}

.hero::before {
    content: "";
    position: absolute;
    inset: auto 0 0;
    height: 1px;
    background: var(--color-line);
}

.hero-glow {
    position: absolute;
    top: 5%;
    right: -12rem;
    width: 34rem;
    aspect-ratio: 1;
    border-radius: 50%;
    background: var(--color-mint);
    filter: blur(100px);
    opacity: 0.42;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    gap: 3.5rem;
    align-items: start;
}

.hero-copy {
    position: relative;
    z-index: 1;
}

.eyebrow,
.kicker {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0 0 1.4rem;
    color: var(--color-ink-soft);
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    line-height: 1.2;
    text-transform: uppercase;
}

.live-dot {
    width: 0.56rem;
    height: 0.56rem;
    border-radius: 50%;
    background: var(--color-success);
    box-shadow: 0 0 0 0.28rem var(--color-mint);
}

h1,
h2,
h3,
p {
    margin-top: 0;
}

h1,
h2,
h3 {
    text-wrap: balance;
}

h1,
h2 {
    font-family: var(--font-display);
    font-weight: 400;
    letter-spacing: -0.055em;
    line-height: 0.96;
}

h1 {
    max-width: 12ch;
    margin-bottom: 1.5rem;
    font-size: clamp(3.25rem, 13vw, 6.4rem);
}

.signal-underline {
    position: relative;
    z-index: 0;
    white-space: nowrap;
}

.signal-underline::after {
    content: "";
    position: absolute;
    z-index: -1;
    right: -0.05em;
    bottom: 0.06em;
    left: -0.04em;
    height: 0.13em;
    background: var(--color-signal);
    transform: scaleX(0);
    transform-origin: left;
    animation: underline-in 700ms var(--ease-out) 900ms forwards;
}

.hero-lead {
    max-width: 35rem;
    margin-bottom: 1.75rem;
    color: var(--color-ink-soft);
    font-size: clamp(1.15rem, 3vw, 1.38rem);
    line-height: 1.55;
    text-wrap: pretty;
}

.hero-actions {
    display: flex;
    flex-direction: column;
    align-items: stretch;
    gap: 1rem;
}

.text-link {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    justify-content: center;
    gap: 0.4rem;
    font-weight: 700;
    text-underline-offset: 0.3em;
}

.hero-note {
    margin: 1.25rem 0 0;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.demo-wrap {
    position: relative;
    width: min(100%, 34rem);
    margin-inline: auto;
}

.demo-halo {
    position: absolute;
    inset: 12% 4% -4% 12%;
    border-radius: 50%;
    background: var(--color-signal);
    filter: blur(70px);
    opacity: 0.12;
    pointer-events: none;
}

.chat-demo {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--color-line-dark);
    border-radius: var(--radius-lg);
    background: var(--color-ink);
    color: var(--color-paper);
    box-shadow: var(--shadow-md);
}

.demo-topbar {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 0.65rem;
    min-height: 3.75rem;
    padding: 0.75rem 0.9rem;
    border-bottom: 1px solid var(--color-line-dark);
    background: oklch(28% 0.039 164);
}

.channel-badge,
.agent-status,
.sample-label {
    display: inline-flex;
    align-items: center;
    gap: 0.42rem;
    font-size: 0.72rem;
    font-weight: 700;
}

.channel-badge svg {
    width: 1.1rem;
    fill: none;
    stroke: var(--color-mint-deep);
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.agent-status {
    display: none;
    color: oklch(84% 0.02 157);
    font-weight: 500;
}

.agent-status i {
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 50%;
    background: var(--color-mint-deep);
}

.sample-label {
    justify-self: end;
    padding: 0.26rem 0.55rem;
    border: 1px solid var(--color-line-dark);
    border-radius: 999px;
    color: oklch(76% 0.02 157);
    font-size: 0.64rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.demo-thread {
    display: flex;
    min-height: 32.5rem;
    flex-direction: column;
    gap: 0.65rem;
    padding: 1rem 0.85rem;
}

.demo-time {
    margin-bottom: 0.15rem;
    color: oklch(68% 0.02 157);
    font-size: 0.68rem;
    text-align: center;
}

.demo-row {
    display: flex;
    align-items: flex-end;
    gap: 0.5rem;
}

.demo-row--customer {
    justify-content: flex-end;
}

.message {
    max-width: 84%;
    padding: 0.72rem 0.85rem;
    border-radius: 0.9rem;
    font-size: 0.82rem;
    line-height: 1.45;
}

.message--customer {
    border-bottom-right-radius: 0.25rem;
    background: var(--color-mint);
    color: var(--color-ink);
}

.message--agent {
    border: 1px solid var(--color-line-dark);
    border-bottom-left-radius: 0.25rem;
    background: oklch(31% 0.037 164);
    color: var(--color-paper);
}

.agent-avatar {
    display: grid;
    width: 1.8rem;
    height: 1.8rem;
    flex: 0 0 auto;
    place-items: center;
    border: 1px solid var(--color-signal);
    border-radius: 50%;
    color: var(--color-signal);
    font-family: var(--font-display);
    font-size: 0.52rem;
}

.knowledge-match,
.qualify-card,
.outcome-card {
    border: 1px solid var(--color-line-dark);
    background: oklch(28.5% 0.036 164);
}

.knowledge-match {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.7rem;
    width: 91%;
    padding: 0.7rem;
    border-color: var(--color-mint-deep);
    border-radius: var(--radius-sm);
}

.knowledge-icon {
    color: var(--color-mint-deep);
    font-family: var(--font-display);
    font-size: 1.1rem;
}

.knowledge-match strong,
.knowledge-match small,
.qualify-head strong,
.qualify-head small,
.outcome-copy strong,
.outcome-copy span {
    display: block;
}

.knowledge-match strong,
.qualify-head strong,
.outcome-copy strong {
    font-size: 0.75rem;
}

.knowledge-match small,
.qualify-head small,
.outcome-copy span {
    color: oklch(72% 0.02 157);
    font-size: 0.64rem;
}

.match-score {
    color: var(--color-mint-deep);
    font-size: 0.7rem;
    font-weight: 700;
}

.qualify-card {
    padding: 0.75rem;
    border-color: oklch(52% 0.095 153);
    border-radius: var(--radius-sm);
}

.qualify-head {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 0.62rem;
}

.qualify-icon {
    display: grid;
    width: 1.65rem;
    height: 1.65rem;
    place-items: center;
    border-radius: 50%;
    background: var(--color-mint);
    color: var(--color-ink);
    font-weight: 700;
}

.qualify-head b {
    padding: 0.22rem 0.45rem;
    border: 1px solid var(--color-signal);
    border-radius: 0.3rem;
    color: var(--color-signal);
    font-size: 0.6rem;
    letter-spacing: 0.08em;
}

.qualify-track {
    height: 0.22rem;
    margin-top: 0.65rem;
    overflow: hidden;
    border-radius: 999px;
    background: var(--color-line-dark);
}

.qualify-track span {
    display: block;
    width: 100%;
    height: 100%;
    background: var(--color-mint-deep);
    transform: scaleX(0);
    transform-origin: left;
}

.demo-item.is-shown .qualify-track span {
    transform: scaleX(1);
    transition: transform 700ms var(--ease-out) 180ms;
}

.outcome-card {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.68rem;
    padding: 0.75rem;
    border-color: var(--color-signal);
    border-radius: var(--radius-sm);
}

.outcome-icon {
    display: grid;
    width: 2.65rem;
    height: 2.65rem;
    place-content: center;
    border-radius: 0.35rem;
    background: var(--color-signal);
    color: var(--color-ink);
    line-height: 1;
    text-align: center;
}

.outcome-icon strong {
    font-family: var(--font-display);
    font-size: 0.74rem;
}

.outcome-icon span {
    font-size: 0.52rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.outcome-copy {
    min-width: 0;
}

.routed-pill {
    padding: 0.27rem 0.5rem;
    border-radius: 999px;
    background: var(--color-mint);
    color: var(--color-ink);
    font-size: 0.62rem;
    font-weight: 700;
}

.js .demo-item {
    visibility: hidden;
    opacity: 0;
    transform: translateY(0.75rem) scale(0.985);
    transition:
        opacity 420ms var(--ease-out),
        transform 420ms var(--ease-out),
        visibility 0s linear 420ms;
}

.js .demo-item.is-shown {
    visibility: visible;
    opacity: 1;
    transform: translateY(0) scale(1);
    transition:
        opacity 480ms var(--ease-out),
        transform 480ms var(--ease-out),
        visibility 0s linear 0s;
}

.demo-rail {
    display: grid;
    grid-template-columns: auto 1fr auto 1fr auto;
    align-items: center;
    gap: 0.4rem;
    min-height: 3.6rem;
    padding: 0.75rem;
    border-top: 1px solid var(--color-line-dark);
    background: oklch(27% 0.037 164);
}

.demo-rail div {
    display: inline-flex;
    align-items: center;
    gap: 0.36rem;
    color: oklch(66% 0.02 157);
    font-size: 0.66rem;
    font-weight: 700;
    transition: color 300ms var(--ease-out);
}

.demo-rail div span {
    display: grid;
    width: 1.3rem;
    height: 1.3rem;
    place-items: center;
    border: 1px solid var(--color-line-dark);
    border-radius: 50%;
    font-size: 0.58rem;
    transition:
        background-color 300ms var(--ease-out),
        border-color 300ms var(--ease-out),
        color 300ms var(--ease-out),
        transform 300ms var(--ease-out);
}

.demo-rail div.is-active {
    color: var(--color-paper);
}

.demo-rail div.is-active span {
    border-color: var(--color-signal);
    background: var(--color-signal);
    color: var(--color-ink);
    transform: scale(1.08);
}

.demo-rail i {
    height: 1px;
    background: var(--color-line-dark);
}

.replay-button {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    gap: 0.45rem;
    margin: 0.8rem 0 0 auto;
    padding: 0.55rem 0.75rem;
    border: 0;
    background: transparent;
    color: var(--color-ink-soft);
    font-size: 0.78rem;
    font-weight: 700;
    cursor: pointer;
}

.replay-button svg {
    width: 1rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
    transition: transform 500ms var(--ease-in-out);
}

.replay-button.is-replaying svg {
    transform: rotate(-360deg);
}

.channel-strip {
    border-bottom: 1px solid var(--color-line);
    background: var(--color-surface);
}

.channel-strip-inner {
    display: flex;
    flex-direction: column;
    gap: 1rem;
    padding-block: 1.4rem;
}

.channel-strip p {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.82rem;
}

.channel-list {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem 1.35rem;
}

.channel-list span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 700;
}

.channel-list svg {
    width: 1.15rem;
    fill: none;
    stroke: var(--color-success);
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.8;
}

.section-heading {
    display: grid;
    gap: 1.25rem;
    margin-bottom: clamp(3rem, 6vw, 5rem);
}

.section-heading .kicker,
.section-heading h2,
.section-heading p {
    margin-bottom: 0;
}

.section-heading h2,
.business-intro h2,
.tech-copy h2,
.closing-card h2 {
    font-size: clamp(2.55rem, 8vw, 5rem);
}

.section-heading h2 span,
.tech-copy h2 span {
    color: var(--color-signal);
}

.section-heading > p:last-child {
    max-width: 32rem;
    color: var(--color-muted);
    font-size: 1.1rem;
}

.loop-grid {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--color-line);
    list-style: none;
}

.loop-step {
    position: relative;
    min-height: 19rem;
    padding: 1.5rem 0 2rem;
    border-bottom: 1px solid var(--color-line);
}

.step-number {
    display: block;
    margin-bottom: 2.25rem;
    color: var(--color-muted);
    font-family: var(--font-display);
    font-size: 0.68rem;
}

.loop-step h3 {
    margin: 1.5rem 0 0.55rem;
    font-family: var(--font-display);
    font-size: 1.55rem;
    font-weight: 400;
    letter-spacing: -0.04em;
}

.loop-step p {
    max-width: 17rem;
    margin-bottom: 0;
    color: var(--color-muted);
    font-size: 0.95rem;
}

.step-glyph {
    width: 5.25rem;
    height: 5.25rem;
    color: var(--color-ink);
}

.step-glyph--ask {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.36rem;
    border: 2px solid var(--color-ink);
    border-radius: 50% 50% 50% 0.65rem;
}

.step-glyph--ask i {
    width: 0.48rem;
    height: 0.48rem;
    border-radius: 50%;
    background: var(--color-signal);
}

.step-glyph--answer {
    display: grid;
    align-content: center;
    gap: 0.5rem;
}

.step-glyph--answer span {
    display: block;
    height: 0.56rem;
    background: var(--color-ink);
}

.step-glyph--answer span:nth-child(1) { width: 100%; }
.step-glyph--answer span:nth-child(2) { width: 70%; }
.step-glyph--answer span:nth-child(3) { width: 44%; background: var(--color-signal); }

.step-glyph--qualify {
    display: grid;
    place-items: center;
    border: 2px solid var(--color-ink);
    border-radius: 50%;
}

.step-glyph--qualify::before,
.step-glyph--qualify::after {
    content: "";
    position: absolute;
    width: 6.15rem;
    height: 2px;
    background: var(--color-line);
    transform: rotate(45deg);
}

.step-glyph--qualify::after {
    transform: rotate(-45deg);
}

.step-glyph--qualify span {
    position: relative;
    z-index: 1;
    width: 1.35rem;
    height: 1.35rem;
    border: 0.34rem solid var(--color-paper);
    border-radius: 50%;
    background: var(--color-signal);
    box-shadow: 0 0 0 2px var(--color-ink);
}

.step-glyph--route {
    position: relative;
    display: grid;
    place-items: center;
}

.step-glyph--route::before,
.step-glyph--route::after {
    content: "";
    position: absolute;
}

.step-glyph--route::before {
    left: 0;
    width: 3.4rem;
    height: 2px;
    background: var(--color-ink);
}

.step-glyph--route::after {
    left: 2.65rem;
    width: 0.9rem;
    height: 0.9rem;
    border-top: 2px solid var(--color-ink);
    border-right: 2px solid var(--color-ink);
    transform: rotate(45deg);
}

.step-glyph--route span {
    position: absolute;
    right: 0;
    width: 2.3rem;
    height: 2.3rem;
    border: 2px solid var(--color-signal);
    transform: rotate(45deg);
}

.business-section {
    border-block: 1px solid var(--color-line);
    background: var(--color-paper-deep);
}

.industry-heading {
    display: grid;
    gap: 1.5rem;
    margin-bottom: 3rem;
}

.industry-heading h2 {
    max-width: 13ch;
    margin-bottom: 0;
}

.industry-heading h2 span {
    color: var(--color-signal-dark);
}

.industry-heading > p {
    max-width: 34rem;
    margin: 0;
    color: var(--color-muted);
    font-size: 1.08rem;
}

.sector-mosaic {
    display: grid;
    gap: 1rem;
}

.sector-card {
    position: relative;
    display: flex;
    min-width: 0;
    flex-direction: column;
    gap: 1.5rem;
    overflow: hidden;
    padding: clamp(1.25rem, 4vw, 2rem);
    border: 1px solid var(--color-line);
    background: var(--color-surface);
    box-shadow: var(--shadow-sm);
    transition:
        transform var(--duration-state) var(--ease-out),
        box-shadow var(--duration-state) var(--ease-out),
        border-color var(--duration-state) var(--ease-out);
}

.sector-card::after {
    content: "";
    position: absolute;
    right: -2.5rem;
    bottom: -3rem;
    width: 8rem;
    height: 8rem;
    border: 1px solid var(--color-line);
    transform: rotate(45deg);
    pointer-events: none;
}

.sector-card--cars {
    background: var(--color-ink);
    color: var(--color-paper);
}

.sector-card--cars::after {
    border-color: var(--color-signal);
}

.sector-card--renovation {
    background: var(--color-mint);
}

.sector-card--equipment {
    background: oklch(94% 0.045 58);
}

.sector-topline {
    position: relative;
    z-index: 1;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.5rem 0.75rem;
    padding-bottom: 0.85rem;
    border-bottom: 1px solid var(--color-line);
    color: var(--color-muted);
    font-size: 0.69rem;
    font-weight: 700;
    letter-spacing: 0.09em;
}

.sector-topline span {
    color: var(--color-signal-dark);
    font-family: var(--font-display);
}

.sector-topline em {
    margin-left: auto;
    padding: 0.25rem 0.5rem;
    border: 1px solid var(--color-signal);
    color: var(--color-signal);
    font-size: 0.58rem;
    font-style: normal;
    letter-spacing: 0.07em;
}

.sector-card--cars .sector-topline {
    border-color: var(--color-line-dark);
    color: oklch(72% 0.02 157);
}

.sector-card--cars .sector-topline span {
    color: var(--color-signal);
}

.sector-card-body {
    display: grid;
    gap: 1.5rem;
}

.sector-copy {
    position: relative;
    z-index: 1;
}

.sector-copy h3 {
    max-width: 22ch;
    margin: 0 0 1rem;
    font-family: var(--font-display);
    font-size: clamp(1.55rem, 5vw, 2.35rem);
    font-weight: 400;
    letter-spacing: -0.045em;
    line-height: 1.05;
}

.sector-copy p {
    max-width: 32rem;
    margin: 0;
    color: var(--color-muted);
}

.sector-card--cars .sector-copy p {
    color: oklch(78% 0.02 157);
}

.sector-flow {
    position: relative;
    z-index: 1;
    display: grid;
    align-self: end;
    margin-top: auto;
    border-top: 1px solid var(--color-line);
}

.sector-card--cars .sector-flow {
    border-color: var(--color-line-dark);
}

.sector-flow p {
    display: grid;
    gap: 0.25rem;
    margin: 0;
    padding: 0.85rem 0;
    color: var(--color-ink-soft);
    font-size: 0.86rem;
    line-height: 1.4;
}

.sector-card--cars .sector-flow p {
    color: oklch(88% 0.016 157);
}

.sector-flow p + p {
    border-top: 1px solid var(--color-line);
}

.sector-card--cars .sector-flow p + p {
    border-color: var(--color-line-dark);
}

.sector-flow p span {
    color: var(--color-signal-dark);
    font-size: 0.61rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.sector-card--cars .sector-flow p span {
    color: var(--color-signal);
}

.sector-flow i {
    padding: 0.55rem 0;
    border-top: 1px solid var(--color-line-dark);
    color: var(--color-mint-deep);
    font-size: 0.68rem;
    font-style: normal;
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.sector-flow .sector-result {
    grid-template-columns: minmax(0, 1fr) auto;
}

.sector-flow .sector-result span {
    grid-column: 1 / -1;
}

.sector-flow .sector-result b {
    align-self: end;
    color: var(--color-signal-dark);
    font-size: 0.68rem;
    white-space: nowrap;
}

.sector-card--cars .sector-result b {
    color: var(--color-signal);
}

.sector-link {
    position: relative;
    z-index: 2;
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: auto;
    color: var(--color-ink);
    font-weight: 700;
    text-decoration: underline;
    text-decoration-color: var(--color-signal);
    text-decoration-thickness: 2px;
    text-underline-offset: 0.3em;
}

.sector-card--cars .sector-link {
    color: var(--color-paper);
}

.sector-link span {
    color: var(--color-signal-dark);
    font-size: 1.15rem;
    transition: transform var(--duration-state) var(--ease-out);
}

.sector-card--cars .sector-link span {
    color: var(--color-signal);
}

.sample-disclaimer {
    max-width: 68rem;
    margin: 1.25rem 0 0;
    color: var(--color-muted);
    font-size: 0.73rem;
}

.tech-section {
    overflow: hidden;
    background: var(--color-ink);
    color: var(--color-paper);
}

.tech-layout {
    display: grid;
    gap: 2.5rem;
}

.kicker--light {
    color: var(--color-mint-deep);
}

.tech-copy h2 {
    max-width: 13ch;
    margin-bottom: 1.5rem;
}

.tech-copy > p:not(.kicker) {
    max-width: 39rem;
    margin-bottom: 0;
    color: oklch(81% 0.02 157);
    font-size: 1.08rem;
}

.tech-list {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--color-line-dark);
    list-style: none;
}

.tech-list li {
    display: grid;
    grid-template-columns: 2rem 1fr;
    gap: 0.5rem;
    padding: 0.9rem 0;
    border-bottom: 1px solid var(--color-line-dark);
    color: oklch(87% 0.018 157);
    font-size: 0.91rem;
}

.tech-list span {
    color: var(--color-signal);
    font-family: var(--font-display);
    font-size: 0.65rem;
}

.session-trace {
    min-width: 0;
    border: 1px solid var(--color-line-dark);
    background: oklch(27% 0.037 164);
    box-shadow: 0 1.5rem 4rem oklch(15% 0.025 164 / 0.2);
}

.trace-topbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.75rem;
    min-height: 4rem;
    padding: 0.75rem 1rem;
    border-bottom: 1px solid var(--color-line-dark);
    background: oklch(25.5% 0.038 164);
}

.trace-session-id {
    display: flex;
    align-items: center;
    gap: 0.65rem;
}

.trace-session-id i {
    width: 0.5rem;
    height: 0.5rem;
    flex: 0 0 auto;
    border-radius: 50%;
    background: var(--color-mint-deep);
    box-shadow: 0 0 0 0.24rem oklch(72% 0.145 158 / 0.12);
}

.trace-session-id span,
.trace-session-id strong,
.trace-session-id small {
    display: block;
}

.trace-session-id strong {
    font-size: 0.7rem;
    letter-spacing: 0.07em;
}

.trace-session-id small,
.trace-clock {
    color: oklch(72% 0.02 157);
    font-size: 0.63rem;
}

.trace-clock {
    display: none;
    font-variant-numeric: tabular-nums;
}

.trace-grid {
    display: grid;
    gap: 1px;
    background: var(--color-line-dark);
}

.conversation-lane,
.reasoning-lane,
.qlead-lane {
    min-width: 0;
    padding: 1rem;
    background: oklch(27% 0.037 164);
}

.qlead-lane {
    background: var(--color-paper);
    color: var(--color-ink);
}

.trace-lane-head {
    display: flex;
    min-height: 2.25rem;
    align-items: flex-start;
    justify-content: space-between;
    gap: 0.75rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--color-line-dark);
}

.qlead-lane .trace-lane-head {
    border-color: var(--color-line);
}

.trace-lane-head > span {
    color: oklch(76% 0.02 157);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.09em;
}

.qlead-lane .trace-lane-head > span {
    color: var(--color-muted);
}

.trace-lane-head b {
    color: var(--color-mint-deep);
    font-size: 0.62rem;
    font-weight: 700;
}

.qlead-status {
    padding: 0.22rem 0.45rem;
    border: 1px solid var(--color-signal);
    color: var(--color-signal-dark) !important;
    letter-spacing: 0.08em;
}

.trace-thread {
    display: grid;
    gap: 0.7rem;
    padding-top: 1rem;
}

.trace-turn {
    width: 88%;
    padding: 0.68rem 0.75rem;
    border: 1px solid var(--color-line-dark);
    border-radius: 0.72rem;
    background: oklch(31% 0.037 164);
}

.trace-turn--customer {
    justify-self: end;
    border-color: oklch(72% 0.145 158 / 0.5);
    border-bottom-right-radius: 0.2rem;
    background: var(--color-mint);
    color: var(--color-ink);
}

.trace-turn--agent {
    border-bottom-left-radius: 0.2rem;
}

.trace-turn > span {
    display: block;
    margin-bottom: 0.28rem;
    color: oklch(72% 0.02 157);
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.trace-turn--customer > span {
    color: var(--color-success);
}

.trace-turn p {
    margin: 0;
    font-size: 0.79rem;
    line-height: 1.45;
}

.trace-events {
    display: grid;
}

.trace-event {
    display: grid;
    grid-template-columns: 1.55rem minmax(0, 1fr) auto;
    gap: 0.55rem;
    align-items: center;
    padding: 0.88rem 0;
    border-bottom: 1px solid var(--color-line-dark);
}

.trace-event > span {
    color: var(--color-signal);
    font-family: var(--font-display);
    font-size: 0.6rem;
}

.trace-event p,
.trace-event strong,
.trace-event small {
    display: block;
    margin: 0;
}

.trace-event strong {
    font-size: 0.76rem;
}

.trace-event small {
    margin-top: 0.2rem;
    color: oklch(70% 0.02 157);
    font-size: 0.61rem;
    line-height: 1.35;
}

.trace-event em {
    color: var(--color-mint-deep);
    font-size: 0.53rem;
    font-style: normal;
    font-weight: 700;
    letter-spacing: 0.05em;
    white-space: nowrap;
}

.trace-logic {
    margin-top: 1.2rem;
    padding: 0.85rem;
    border: 1px dashed var(--color-line-dark);
}

.trace-logic span {
    color: var(--color-signal);
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.09em;
}

.trace-logic p {
    margin: 0.45rem 0 0;
    color: oklch(78% 0.02 157);
    font-size: 0.67rem;
    line-height: 1.45;
}

.qlead-record {
    padding-top: 1rem;
}

.qlead-record-head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 0.75rem;
    margin-bottom: 0.8rem;
}

.qlead-record-head span {
    color: var(--color-signal-dark);
    font-family: var(--font-display);
    font-size: 1.15rem;
}

.qlead-record-head strong {
    padding: 0.26rem 0.48rem;
    background: var(--color-mint);
    color: var(--color-success);
    font-size: 0.61rem;
    text-transform: uppercase;
}

.qlead-record dl {
    display: grid;
    margin: 0;
    border-top: 1px solid var(--color-line);
}

.qlead-record dl > div {
    display: grid;
    grid-template-columns: 4.2rem minmax(0, 1fr);
    gap: 0.6rem;
    padding: 0.58rem 0;
    border-bottom: 1px solid var(--color-line);
}

.qlead-record dt {
    color: var(--color-muted);
    font-size: 0.64rem;
}

.qlead-record dd {
    margin: 0;
    font-size: 0.7rem;
    font-weight: 700;
    text-align: right;
}

.qlead-owner {
    display: grid;
    gap: 0.15rem;
    margin-top: 1rem;
    padding: 0.78rem;
    border: 1px solid var(--color-ink);
}

.qlead-owner span {
    color: var(--color-signal-dark);
    font-size: 0.55rem;
    font-weight: 700;
    letter-spacing: 0.09em;
}

.qlead-owner strong {
    font-size: 0.78rem;
}

.qlead-owner small {
    color: var(--color-muted);
    font-size: 0.62rem;
}

.qlead-guardrail {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.5rem;
    align-items: start;
    margin: 0.75rem 0 0;
    color: var(--color-muted);
    font-size: 0.62rem;
    line-height: 1.4;
}

.qlead-guardrail span {
    display: grid;
    width: 1rem;
    height: 1rem;
    place-items: center;
    border-radius: 50%;
    background: var(--color-signal);
    color: var(--color-ink);
    font-size: 0.62rem;
    font-weight: 700;
}

.trace-footer {
    display: grid;
    gap: 1rem;
    padding: 0.85rem 1rem;
    border-top: 1px solid var(--color-line-dark);
    background: oklch(25.5% 0.038 164);
}

.trace-sources {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
}

.trace-sources span {
    display: inline-flex;
    min-height: 1.75rem;
    align-items: center;
    gap: 0.38rem;
    color: oklch(72% 0.02 157);
    font-size: 0.61rem;
}

.trace-sources b {
    color: var(--color-mint-deep);
    font-size: 0.54rem;
    letter-spacing: 0.05em;
}

.trace-replay {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--color-line-dark);
    background: transparent;
    color: var(--color-paper);
    font-size: 0.7rem;
    font-weight: 700;
    cursor: pointer;
}

.trace-replay svg {
    width: 1rem;
    fill: none;
    stroke: currentColor;
    stroke-linecap: round;
    stroke-linejoin: round;
    stroke-width: 1.7;
    transition: transform var(--duration-state) var(--ease-out);
}

.trace-replay.is-replaying svg {
    transform: rotate(-180deg);
}

.js .tech-step {
    opacity: 0;
    transform: translateY(0.55rem) scale(0.99);
    transition:
        opacity 360ms var(--ease-out),
        transform 360ms var(--ease-out);
}

.js .tech-step.is-shown {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.closing-section {
    padding-block: clamp(4rem, 8vw, 6rem);
}

.closing-card {
    position: relative;
    display: grid;
    gap: 2rem;
    overflow: hidden;
    padding: clamp(2rem, 7vw, 4.5rem);
    background: var(--color-signal);
    box-shadow: var(--shadow-md);
}

.closing-bolt {
    position: absolute;
    right: -1rem;
    bottom: -3rem;
    width: 10rem;
    color: oklch(56% 0.2 31);
    opacity: 0.48;
    transform: rotate(8deg);
}

.closing-bolt svg {
    fill: currentColor;
}

.closing-card > div:not(.closing-bolt) {
    position: relative;
    z-index: 1;
}

.closing-card .kicker {
    color: var(--color-ink);
}

.closing-card h2 {
    max-width: 10ch;
    margin-bottom: 0;
}

.closing-action {
    align-self: end;
}

.closing-action p {
    max-width: 29rem;
    margin-bottom: 1.25rem;
    color: oklch(27% 0.05 31);
    font-size: 1.04rem;
}

/* Industry detail pages */
.industry-page .site-header {
    background: var(--color-paper);
}

.industry-hero {
    position: relative;
    overflow: clip;
    padding-block-start: clamp(1.5rem, 3vw, 2.5rem);
    padding-block-end: clamp(3.5rem, 7vw, 6.5rem);
}

.industry-hero::after {
    content: "";
    position: absolute;
    z-index: -1;
    top: 12%;
    right: -10rem;
    width: 28rem;
    aspect-ratio: 1;
    border: 1px solid var(--color-line);
    transform: rotate(45deg);
}

.breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
    color: var(--color-muted);
    font-size: 0.78rem;
    font-weight: 700;
}

.breadcrumb a {
    text-underline-offset: 0.25em;
}

.industry-hero-grid {
    display: grid;
    gap: 3rem;
    align-items: center;
}

.industry-kicker {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin-bottom: 1.25rem;
    color: var(--color-signal-dark);
    font-size: 0.74rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.industry-kicker::before {
    content: "";
    width: 1.75rem;
    height: 2px;
    background: var(--color-signal);
}

.industry-hero h1 {
    max-width: 11ch;
    margin-bottom: 1.5rem;
    font-size: clamp(3.1rem, 11vw, 6.4rem);
}

.industry-hero h1 span {
    color: var(--color-signal-dark);
}

.industry-lead {
    max-width: 37rem;
    margin-bottom: 1.75rem;
    color: var(--color-ink-soft);
    font-size: clamp(1.12rem, 2.5vw, 1.35rem);
    line-height: 1.55;
}

.industry-meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    margin: 1.25rem 0 0;
    padding: 0;
    list-style: none;
}

.industry-meta li {
    padding: 0.38rem 0.62rem;
    border: 1px solid var(--color-line);
    background: var(--color-surface);
    color: var(--color-ink-soft);
    font-size: 0.71rem;
    font-weight: 700;
}

.industry-demo {
    position: relative;
    overflow: hidden;
    border: 1px solid var(--color-line-dark);
    border-radius: var(--radius-lg);
    background: var(--color-ink);
    color: var(--color-paper);
    box-shadow: var(--shadow-md);
}

.industry-demo-head {
    display: flex;
    min-height: 3.5rem;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.8rem 1rem;
    border-bottom: 1px solid var(--color-line-dark);
    background: oklch(28% 0.039 164);
    font-size: 0.72rem;
    font-weight: 700;
}

.industry-demo-head span:first-child {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.industry-demo-head i {
    width: 0.48rem;
    height: 0.48rem;
    border-radius: 50%;
    background: var(--color-mint-deep);
    box-shadow: 0 0 0 0.2rem oklch(72% 0.145 158 / 0.16);
}

.industry-demo-head em {
    padding: 0.22rem 0.48rem;
    border: 1px solid var(--color-line-dark);
    color: oklch(74% 0.02 157);
    font-size: 0.6rem;
    font-style: normal;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.industry-thread {
    display: flex;
    min-height: 30rem;
    flex-direction: column;
    gap: 0.8rem;
    justify-content: center;
    padding: clamp(1rem, 3vw, 1.5rem);
}

.industry-message {
    max-width: 84%;
    margin: 0;
    padding: 0.78rem 0.92rem;
    border-radius: 0.88rem;
    font-size: 0.85rem;
    line-height: 1.45;
}

.industry-message--customer {
    align-self: flex-end;
    border-bottom-right-radius: 0.2rem;
    background: var(--color-mint);
    color: var(--color-ink);
}

.industry-message--agent {
    align-self: flex-start;
    border: 1px solid var(--color-line-dark);
    border-bottom-left-radius: 0.2rem;
    background: oklch(31% 0.037 164);
}

.industry-retrieval {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr) auto;
    align-items: center;
    gap: 0.65rem;
    width: 92%;
    padding: 0.68rem 0.75rem;
    border: 1px solid var(--color-mint-deep);
    color: oklch(84% 0.02 157);
    font-size: 0.68rem;
}

.industry-retrieval > span:first-child {
    color: var(--color-mint-deep);
    font-family: var(--font-display);
    font-size: 1rem;
}

.industry-retrieval b {
    color: var(--color-mint-deep);
    font-size: 0.64rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.handoff-sheet {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 0.3rem 0.75rem;
    margin-top: 0.25rem;
    padding: 0.85rem;
    border: 1px solid var(--color-signal);
    background: var(--color-paper);
    color: var(--color-ink);
}

.handoff-sheet > span {
    grid-column: 1 / -1;
    color: var(--color-signal-dark);
    font-size: 0.61rem;
    font-weight: 700;
    letter-spacing: 0.09em;
    text-transform: uppercase;
}

.handoff-sheet strong {
    font-size: 0.84rem;
}

.handoff-sheet p {
    grid-column: 1;
    margin: 0;
    color: var(--color-ink-soft);
    font-size: 0.72rem;
    line-height: 1.45;
}

.handoff-sheet em {
    grid-column: 2;
    grid-row: 2 / span 2;
    align-self: center;
    padding: 0.35rem 0.5rem;
    background: var(--color-signal);
    font-size: 0.62rem;
    font-style: normal;
    font-weight: 700;
    white-space: nowrap;
}

.qualification-section {
    border-block: 1px solid var(--color-line);
    background: var(--color-surface);
}

.qualification-layout {
    display: grid;
    gap: 3rem;
}

.detail-intro h2 {
    max-width: 12ch;
    margin-bottom: 1.25rem;
}

.detail-intro > p:last-child {
    max-width: 31rem;
    margin: 0;
    color: var(--color-muted);
    font-size: 1.06rem;
}

.qualification-list {
    display: grid;
    border-top: 1px solid var(--color-line);
}

.qualification-row {
    display: grid;
    grid-template-columns: 2.25rem minmax(0, 1fr);
    gap: 0.75rem;
    padding: 1.1rem 0;
    border-bottom: 1px solid var(--color-line);
}

.qualification-row > span {
    color: var(--color-signal-dark);
    font-family: var(--font-display);
    font-size: 0.66rem;
}

.qualification-row strong,
.qualification-row p {
    grid-column: 2;
}

.qualification-row strong {
    font-size: 1.02rem;
}

.qualification-row p {
    margin: -0.42rem 0 0;
    color: var(--color-muted);
    font-size: 0.88rem;
}

.boundary-section {
    background: var(--color-ink);
    color: var(--color-paper);
}

.boundary-heading {
    display: grid;
    gap: 1.25rem;
    margin-bottom: 3rem;
}

.boundary-heading h2 {
    max-width: 14ch;
    margin: 0;
}

.boundary-heading > p {
    max-width: 34rem;
    margin: 0;
    color: oklch(78% 0.02 157);
}

.boundary-grid {
    display: grid;
    gap: 1px;
    border: 1px solid var(--color-line-dark);
    background: var(--color-line-dark);
}

.boundary-column {
    padding: clamp(1.25rem, 4vw, 2rem);
    background: var(--color-ink);
}

.boundary-column > span {
    display: inline-flex;
    margin-bottom: 1.5rem;
    padding: 0.28rem 0.5rem;
    border: 1px solid var(--color-line-dark);
    color: var(--color-mint-deep);
    font-size: 0.64rem;
    font-weight: 700;
    letter-spacing: 0.09em;
}

.boundary-column--human > span {
    border-color: var(--color-signal);
    color: var(--color-signal);
}

.boundary-column h3 {
    margin-bottom: 1rem;
    font-family: var(--font-display);
    font-size: clamp(1.65rem, 4vw, 2.25rem);
    font-weight: 400;
    letter-spacing: -0.04em;
    line-height: 1.05;
}

.boundary-column ul {
    display: grid;
    gap: 0;
    margin: 0;
    padding: 0;
    list-style: none;
}

.boundary-column li {
    padding: 0.75rem 0;
    border-top: 1px solid var(--color-line-dark);
    color: oklch(82% 0.018 157);
    font-size: 0.9rem;
}

.knowledge-section {
    background: var(--color-paper-deep);
}

.knowledge-intro {
    display: grid;
    gap: 1.25rem;
    margin-bottom: 2.5rem;
}

.knowledge-intro h2 {
    max-width: 13ch;
    margin: 0;
}

.knowledge-intro > p {
    max-width: 34rem;
    margin: 0;
    color: var(--color-muted);
}

.knowledge-ribbon {
    display: grid;
    border: 1px solid var(--color-line);
    background: var(--color-surface);
}

.knowledge-item {
    display: grid;
    grid-template-columns: 2.4rem minmax(0, 1fr);
    gap: 0.25rem 0.75rem;
    padding: 1.25rem;
}

.knowledge-item + .knowledge-item {
    border-top: 1px solid var(--color-line);
}

.knowledge-item > span {
    grid-row: 1 / span 2;
    display: grid;
    width: 2.25rem;
    height: 2.25rem;
    place-items: center;
    background: var(--color-ink);
    color: var(--color-signal);
    font-family: var(--font-display);
    font-size: 0.58rem;
}

.knowledge-item strong,
.knowledge-item p {
    grid-column: 2;
}

.knowledge-item p {
    margin: 0;
    color: var(--color-muted);
    font-size: 0.82rem;
}

.pilot-section {
    background: var(--color-surface);
}

.pilot-heading {
    max-width: 44rem;
    margin-bottom: 3rem;
}

.pilot-heading h2 {
    margin-bottom: 1rem;
}

.pilot-heading p {
    margin: 0;
    color: var(--color-muted);
    font-size: 1.06rem;
}

.pilot-grid {
    display: grid;
    border-top: 1px solid var(--color-line);
}

.pilot-step {
    padding: 1.5rem 0;
    border-bottom: 1px solid var(--color-line);
}

.pilot-step > span {
    display: block;
    margin-bottom: 2rem;
    color: var(--color-signal-dark);
    font-family: var(--font-display);
    font-size: 0.68rem;
}

.pilot-step h3 {
    margin-bottom: 0.65rem;
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 400;
    letter-spacing: -0.04em;
}

.pilot-step p {
    max-width: 27rem;
    margin: 0;
    color: var(--color-muted);
    font-size: 0.9rem;
}

.industry-note {
    max-width: 72rem;
    margin: 2rem 0 0;
    padding-top: 1rem;
    border-top: 1px solid var(--color-line);
    color: var(--color-muted);
    font-size: 0.74rem;
}

.related-industries {
    padding-block: 2rem;
    border-top: 1px solid var(--color-line);
    background: var(--color-paper);
}

.related-inner {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.related-inner > span {
    color: var(--color-muted);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.09em;
}

.related-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.25rem;
}

.related-links a {
    min-height: 2.75rem;
    display: inline-flex;
    align-items: center;
    font-weight: 700;
    text-underline-offset: 0.25em;
}

.site-footer {
    padding: 4rem 0 max(2rem, env(safe-area-inset-bottom));
    background: var(--color-ink);
    color: var(--color-paper);
}

.legal-header {
    border-bottom: 1px solid var(--color-line);
    background: var(--color-paper);
}

.legal-header-inner {
    display: flex;
    min-height: var(--header-height);
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.legal-back {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    font-size: 0.9rem;
    font-weight: 700;
    text-underline-offset: 0.25em;
}

.legal-main {
    min-height: 60vh;
    padding-block: clamp(4rem, 10vw, 7rem);
}

.legal-shell {
    width: min(calc(100% - 2rem), 48rem);
    margin-inline: auto;
}

.legal-eyebrow {
    margin-bottom: 1rem;
    color: var(--color-signal-dark);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.11em;
    text-transform: uppercase;
}

.legal-main h1 {
    max-width: none;
    margin-bottom: 1rem;
    font-size: clamp(2.8rem, 10vw, 5rem);
}

.legal-updated {
    margin-bottom: 3rem;
    color: var(--color-muted);
    font-size: 0.88rem;
}

.legal-content {
    color: var(--color-ink-soft);
    font-size: 1.02rem;
}

.legal-content h2 {
    margin: 2.75rem 0 0.8rem;
    color: var(--color-ink);
    font-family: var(--font-display);
    font-size: 1.45rem;
    font-weight: 400;
    letter-spacing: -0.035em;
    line-height: 1.1;
}

.legal-content h3 {
    margin: 1.8rem 0 0.6rem;
    color: var(--color-ink);
    font-size: 1.05rem;
}

.legal-content p,
.legal-content li {
    max-width: 68ch;
    line-height: 1.72;
}

.legal-content ul,
.legal-content ol {
    display: grid;
    gap: 0.55rem;
    padding-left: 1.3rem;
}

.legal-content a {
    color: var(--color-signal-dark);
    font-weight: 700;
    text-underline-offset: 0.25em;
}

.legal-callout {
    margin-block: 2rem;
    padding: 1.25rem;
    border: 1px solid var(--color-signal);
    background: var(--color-paper-deep);
}

.legal-callout p:last-child {
    margin-bottom: 0;
}

.legal-company-block {
    margin-top: 3rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-line);
    font-size: 0.9rem;
}

.legal-company-block address {
    font-style: normal;
    line-height: 1.7;
}

.footer-grid {
    display: grid;
    gap: 3rem;
    padding-bottom: 3rem;
}

.brand--footer {
    color: var(--color-paper);
}

.footer-brand > p {
    max-width: 23rem;
    margin: 1.1rem 0 0.65rem;
    color: oklch(76% 0.02 157);
}

.footer-email {
    color: var(--color-signal);
    font-weight: 700;
    text-underline-offset: 0.25em;
}

.footer-label {
    margin-bottom: 1rem;
    color: var(--color-mint-deep);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.11em;
}

.footer-company address {
    color: oklch(78% 0.02 157);
    font-size: 0.88rem;
    font-style: normal;
    line-height: 1.8;
}

.footer-company address strong {
    color: var(--color-paper);
}

.footer-links {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.68rem;
}

.footer-links .footer-label {
    margin-bottom: 0.32rem;
}

.footer-links a {
    color: oklch(78% 0.02 157);
    text-underline-offset: 0.25em;
}

.footer-bottom {
    display: flex;
    flex-direction: column;
    gap: 0.4rem;
    padding-top: 1.5rem;
    border-top: 1px solid var(--color-line-dark);
    color: oklch(68% 0.02 157);
    font-size: 0.74rem;
}

.footer-bottom p {
    margin: 0;
}

.js .reveal {
    opacity: 0;
    transform: translateY(1.5rem);
}

.js .reveal.is-visible {
    opacity: 1;
    transform: translateY(0);
    transition:
        opacity var(--duration-enter) var(--ease-out) var(--reveal-delay, 0ms),
        transform var(--duration-enter) var(--ease-out) var(--reveal-delay, 0ms);
}

@keyframes underline-in {
    to { transform: scaleX(1); }
}

@media (min-width: 36rem) {
    .shell {
        width: min(calc(100% - 3rem), var(--shell));
    }

    .hero-actions {
        flex-direction: row;
        align-items: center;
    }

    .text-link {
        justify-content: flex-start;
    }

    .demo-topbar {
        grid-template-columns: auto 1fr auto;
    }

    .agent-status {
        display: inline-flex;
    }

    .demo-thread {
        min-height: 31rem;
        padding: 1.15rem 1.1rem;
    }

    .message {
        max-width: 77%;
        font-size: 0.88rem;
    }

    .knowledge-match {
        width: 82%;
        margin-left: 2.3rem;
    }

    .qualify-card,
    .outcome-card {
        margin-left: 2.3rem;
    }

    .trace-topbar {
        grid-template-columns: minmax(0, 1fr) auto auto;
    }

    .trace-clock {
        display: inline;
    }

    .trace-footer {
        grid-template-columns: minmax(0, 1fr) auto;
        align-items: center;
    }

    .channel-strip-inner,
    .footer-bottom {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }

    .footer-grid {
        grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) auto;
    }
}

@media (min-width: 48rem) {
    .section-heading {
        grid-template-columns: minmax(0, 1fr) minmax(16rem, 0.48fr);
        align-items: end;
    }

    .section-heading .kicker {
        grid-column: 1 / -1;
    }

    .section-heading h2 {
        max-width: 12ch;
    }

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

    .loop-step {
        padding: 1.5rem 2rem 2rem 0;
    }

    .loop-step:nth-child(odd) {
        border-right: 1px solid var(--color-line);
    }

    .loop-step:nth-child(even) {
        padding-left: 2rem;
    }

    .industry-heading {
        grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.58fr);
        align-items: end;
    }

    .sector-mosaic {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .sector-card--cars {
        grid-column: 1 / -1;
    }

    .sector-card--cars .sector-card-body {
        grid-template-columns: minmax(0, 1fr) minmax(18rem, 0.8fr);
        align-items: end;
    }

    .tech-layout {
        grid-template-columns: minmax(0, 1.02fr) minmax(21rem, 0.98fr);
        gap: 3rem clamp(3rem, 7vw, 6rem);
        align-items: end;
    }

    .tech-list {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .tech-list li:nth-child(odd) {
        padding-right: 1.25rem;
        border-right: 1px solid var(--color-line-dark);
    }

    .tech-list li:nth-child(even) {
        padding-left: 1.25rem;
    }

    .session-trace {
        grid-column: 1 / -1;
    }

    .trace-grid {
        grid-template-columns: minmax(0, 1.08fr) minmax(18rem, 0.92fr);
        grid-template-areas:
            "conversation reasoning"
            "conversation qlead";
    }

    .conversation-lane { grid-area: conversation; }
    .reasoning-lane { grid-area: reasoning; }
    .qlead-lane { grid-area: qlead; }

    .closing-card {
        grid-template-columns: minmax(0, 1.3fr) minmax(18rem, 0.7fr);
        align-items: end;
    }

    .boundary-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .knowledge-ribbon,
    .pilot-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .knowledge-item + .knowledge-item {
        border-top: 0;
        border-left: 1px solid var(--color-line);
    }

    .pilot-step {
        padding: 1.5rem 1.5rem 1.5rem 0;
        border-right: 1px solid var(--color-line);
    }

    .pilot-step + .pilot-step {
        padding-left: 1.5rem;
    }

    .pilot-step:last-child {
        border-right: 0;
    }

    .related-inner {
        flex-direction: row;
        align-items: center;
        justify-content: space-between;
    }
}

@media (min-width: 64rem) {
    .desktop-nav {
        display: flex;
        align-items: center;
        gap: 2rem;
    }

    .desktop-nav a {
        position: relative;
        min-height: 2.75rem;
        display: inline-flex;
        align-items: center;
        color: var(--color-ink-soft);
        font-size: 0.9rem;
        font-weight: 700;
        text-decoration: none;
    }

    .desktop-nav a::after {
        content: "";
        position: absolute;
        right: 0;
        bottom: 0.35rem;
        left: 0;
        height: 2px;
        background: var(--color-signal);
        transform: scaleX(0);
        transform-origin: right;
        transition: transform var(--duration-state) var(--ease-out);
    }

    .header-cta {
        display: inline-flex;
    }

    .menu-button,
    .mobile-nav {
        display: none;
    }

    .hero-grid {
        grid-template-columns: minmax(0, 1.08fr) minmax(27rem, 0.92fr);
        gap: clamp(3rem, 7vw, 7rem);
    }

    .demo-wrap {
        width: 100%;
    }

    .loop-grid {
        grid-template-columns: repeat(4, 1fr);
    }

    .loop-step,
    .loop-step:nth-child(even) {
        padding: 1.5rem clamp(1.2rem, 2.4vw, 2.2rem) 2rem;
        border-right: 1px solid var(--color-line);
    }

    .loop-step:first-child {
        padding-left: 0;
    }

    .loop-step:last-child {
        border-right: 0;
    }

    .sector-mosaic {
        grid-template-columns: repeat(12, minmax(0, 1fr));
    }

    .sector-card--cars { grid-column: span 7; }
    .sector-card--property { grid-column: span 5; }
    .sector-card--renovation,
    .sector-card--maid,
    .sector-card--equipment { grid-column: span 4; }

    .sector-card--cars .sector-card-body {
        grid-template-columns: 1fr;
    }

    .sector-card--cars .sector-copy h3 {
        font-size: clamp(2rem, 3.6vw, 3.45rem);
    }

    .industry-hero-grid {
        grid-template-columns: minmax(0, 0.92fr) minmax(27rem, 0.78fr);
        gap: clamp(3rem, 7vw, 7rem);
    }

    .industry-hero-copy {
        padding-bottom: 2rem;
    }

    .qualification-layout {
        grid-template-columns: minmax(18rem, 0.72fr) minmax(0, 1.28fr);
        gap: clamp(4rem, 9vw, 8rem);
    }

    .detail-intro {
        position: sticky;
        top: calc(var(--header-height) + 2rem);
        align-self: start;
    }

    .boundary-heading,
    .knowledge-intro {
        grid-template-columns: minmax(0, 1fr) minmax(19rem, 0.58fr);
        align-items: end;
    }

    .trace-grid {
        grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.9fr) minmax(0, 0.95fr);
        grid-template-areas: "conversation reasoning qlead";
    }

    .conversation-lane,
    .reasoning-lane,
    .qlead-lane {
        padding: 1.15rem;
    }
}

@media (hover: hover) and (pointer: fine) {
    .button:hover {
        transform: translateY(-2px);
        box-shadow: var(--shadow-sm);
    }

    .button:hover svg {
        transform: translateX(0.18rem);
    }

    .button--primary:hover {
        background: oklch(68% 0.22 31);
        box-shadow: var(--shadow-signal);
    }

    .desktop-nav a:hover {
        color: var(--color-ink);
    }

    .desktop-nav a:hover::after {
        transform: scaleX(1);
        transform-origin: left;
    }

    .text-link:hover,
    .footer-email:hover,
    .footer-links a:hover {
        text-decoration-thickness: 2px;
    }

    .replay-button:hover svg {
        transform: rotate(-45deg);
    }

    .trace-replay:hover {
        border-color: var(--color-mint-deep);
        color: var(--color-mint-deep);
    }

    .trace-replay:hover svg {
        transform: rotate(-45deg);
    }

    .sector-card:hover {
        border-color: oklch(73% 0.035 133);
        box-shadow: var(--shadow-md);
        transform: translateY(-0.25rem);
    }

    .sector-card--cars:hover {
        border-color: var(--color-signal);
    }

    .sector-link:hover span {
        transform: translate(0.18rem, -0.18rem);
    }

    .related-links a:hover,
    .breadcrumb a:hover {
        text-decoration-thickness: 2px;
    }

    .loop-step:hover .step-glyph {
        transform: translateY(-0.3rem);
        transition: transform var(--duration-state) var(--ease-out);
    }
}

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

    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        scroll-behavior: auto !important;
        transition-duration: 0.01ms !important;
        transition-delay: 0ms !important;
    }

    .js .reveal,
    .js .reveal.is-visible {
        opacity: 1;
        transform: none;
    }

    .demo-item {
        visibility: visible;
        opacity: 1;
        transform: none;
    }

    .qualify-track span {
        transform: scaleX(1);
    }

    .js .tech-step,
    .js .tech-step.is-shown {
        opacity: 1;
        transform: none;
    }

    .replay-button,
    .trace-replay {
        display: none;
    }
}

@media print {
    .site-header,
    .replay-button,
    .trace-replay,
    .hero-glow,
    .demo-halo {
        display: none !important;
    }

    body,
    .tech-section,
    .site-footer {
        background: white;
        color: black;
    }

    .section {
        padding-block: 2rem;
    }
}