:root {
    color-scheme: light;
    --page: #f6faf7;
    --surface: #fbfdfc;
    --surface-strong: #eef7f2;
    --surface-mint: #def2e8;
    --ink: #10271f;
    --ink-strong: #063c2d;
    --muted: #607069;
    --line: #d6e5dc;
    --line-strong: #b9d8c8;
    --brand: #10966d;
    --brand-dark: #075c45;
    --brand-soft: #ccebdc;
    --button-bg: #087a58;
    --button-hover: #065f45;
    --amber: #d99726;
    --header: rgba(246, 250, 247, 0.9);
    --shadow: 0 22px 70px rgba(14, 82, 59, 0.12);
    --shadow-soft: 0 12px 36px rgba(14, 82, 59, 0.08);
    --radius-surface: 24px;
    --radius-control: 12px;
    --ease: cubic-bezier(0.16, 1, 0.3, 1);
    --header-height: 72px;
}

html[data-theme="dark"] {
    color-scheme: dark;
    --page: #0f1b17;
    --surface: #15251f;
    --surface-strong: #1a2f27;
    --surface-mint: #173b2e;
    --ink: #eef8f2;
    --ink-strong: #c9f2df;
    --muted: #a8b9b1;
    --line: #29463a;
    --line-strong: #39624f;
    --brand: #47c594;
    --brand-dark: #b7ead3;
    --brand-soft: #214f3d;
    --button-bg: #087a58;
    --button-hover: #0a6b50;
    --amber: #e1ad4c;
    --header: rgba(15, 27, 23, 0.9);
    --shadow: 0 22px 70px rgba(2, 8, 6, 0.34);
    --shadow-soft: 0 12px 36px rgba(2, 8, 6, 0.24);
}

@media (prefers-color-scheme: dark) {
    :root {
        color-scheme: dark;
        --page: #0f1b17;
        --surface: #15251f;
        --surface-strong: #1a2f27;
        --surface-mint: #173b2e;
        --ink: #eef8f2;
        --ink-strong: #c9f2df;
        --muted: #a8b9b1;
        --line: #29463a;
        --line-strong: #39624f;
        --brand: #47c594;
        --brand-dark: #b7ead3;
        --brand-soft: #214f3d;
        --button-bg: #087a58;
        --button-hover: #0a6b50;
        --amber: #e1ad4c;
        --header: rgba(15, 27, 23, 0.9);
        --shadow: 0 22px 70px rgba(2, 8, 6, 0.34);
        --shadow-soft: 0 12px 36px rgba(2, 8, 6, 0.24);
    }
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
    margin: 0;
    overflow-x: hidden;
    background:
        radial-gradient(circle at 88% 8%, rgba(16, 150, 109, 0.08), transparent 26rem),
        var(--page);
    color: var(--ink);
    font-family: "Avenir Next", "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
    font-size: 16px;
    line-height: 1.6;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.menu-open,
body.dialog-open {
    overflow: hidden;
}

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

figure,
h1,
h2,
h3,
p,
ol,
ul {
    margin: 0;
}

button,
a {
    font: inherit;
}

button {
    color: inherit;
}

a {
    color: inherit;
    text-decoration: none;
}

button:focus-visible,
a:focus-visible {
    outline: 3px solid color-mix(in srgb, var(--brand) 58%, transparent);
    outline-offset: 4px;
}

[hidden] {
    display: none !important;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 100;
    padding: 10px 14px;
    border-radius: var(--radius-control);
    background: var(--ink-strong);
    color: var(--surface);
    transform: translateY(-160%);
}

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

.section-shell {
    width: min(1320px, calc(100% - 48px));
    margin-inline: auto;
    padding-block: 108px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 30;
    height: var(--header-height);
    border-bottom: 1px solid transparent;
    background: var(--header);
    backdrop-filter: blur(18px) saturate(140%);
    -webkit-backdrop-filter: blur(18px) saturate(140%);
}

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

.nav-shell {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 34px;
    width: min(1400px, calc(100% - 48px));
    height: 100%;
    margin-inline: auto;
}

.brand {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    width: max-content;
}

.brand img {
    width: 42px;
    height: 42px;
}

.brand-copy {
    display: grid;
    line-height: 1.08;
}

.brand-copy strong {
    color: var(--ink-strong);
    font-size: 20px;
    font-weight: 800;
    letter-spacing: 0.04em;
}

.brand-copy small {
    margin-top: 5px;
    color: var(--muted);
    font-size: 10px;
    letter-spacing: 0.16em;
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: clamp(18px, 2.3vw, 34px);
    min-width: 0;
}

.site-nav a {
    position: relative;
    color: var(--muted);
    font-size: 14px;
    font-weight: 650;
    white-space: nowrap;
    transition: color 220ms var(--ease);
}

.site-nav a::after {
    position: absolute;
    right: 0;
    bottom: -9px;
    left: 0;
    height: 2px;
    border-radius: 2px;
    background: var(--brand);
    content: "";
    transform: scaleX(0);
    transition: transform 220ms var(--ease);
}

.site-nav a:hover,
.site-nav a[aria-current="true"] {
    color: var(--ink-strong);
}

.site-nav a:hover::after,
.site-nav a[aria-current="true"]::after {
    transform: scaleX(1);
}

.menu-button {
    display: none;
}

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-height: 52px;
    padding: 0 24px;
    border: 1px solid var(--button-bg);
    border-radius: var(--radius-control);
    background: var(--button-bg);
    color: #f7fcf9;
    font-weight: 750;
    line-height: 1;
    white-space: nowrap;
    box-shadow: 0 12px 28px rgba(11, 117, 83, 0.2);
    cursor: pointer;
    transition: transform 220ms var(--ease), background-color 220ms var(--ease), box-shadow 220ms var(--ease);
}

.button:hover {
    background: var(--button-hover);
    box-shadow: 0 16px 34px rgba(11, 117, 83, 0.25);
    transform: translateY(-2px);
}

.button:active {
    transform: translateY(1px) scale(0.99);
}

.button-small {
    min-height: 42px;
    padding-inline: 18px;
    font-size: 14px;
}

.button-light {
    border-color: #f5faf7;
    background: #f5faf7;
    color: #075c45;
    box-shadow: none;
}

.button-light:hover {
    background: #dff3e9;
    color: #063c2d;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    width: max-content;
    padding: 6px 0;
    border: 0;
    background: transparent;
    color: var(--ink-strong);
    font-weight: 750;
    white-space: nowrap;
    cursor: pointer;
}

.text-link span {
    transition: transform 220ms var(--ease);
}

.text-link:hover span {
    transform: translateX(4px);
}

.hero {
    display: grid;
    grid-template-columns: minmax(0, 0.85fr) minmax(520px, 1.15fr);
    align-items: center;
    gap: clamp(44px, 6vw, 96px);
    width: min(1400px, calc(100% - 48px));
    min-height: calc(100dvh - var(--header-height));
    margin-inline: auto;
    padding-block: 56px;
}

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

.eyebrow {
    width: max-content;
    margin-bottom: 24px;
    padding: 9px 13px;
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    color: var(--brand-dark);
    font-size: 13px;
    font-weight: 750;
    letter-spacing: 0.12em;
}

.hero h1 {
    max-width: 9.8em;
    color: var(--ink-strong);
    font-size: clamp(52px, 6.3vw, 92px);
    font-weight: 850;
    letter-spacing: -0.075em;
    line-height: 1.03;
}

.hero-lead {
    max-width: 22em;
    margin-top: 28px;
    color: var(--muted);
    font-size: clamp(18px, 1.65vw, 23px);
    line-height: 1.65;
}

.hero-actions,
.demo-actions {
    display: flex;
    align-items: center;
    gap: 26px;
    margin-top: 34px;
}

.hero-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 10;
    border: 1px solid var(--line);
    border-radius: 30px;
    background: var(--surface-strong);
    box-shadow: var(--shadow);
}

.hero-media::after {
    position: absolute;
    inset: 0;
    border: 1px solid rgba(247, 252, 249, 0.5);
    border-radius: inherit;
    content: "";
    pointer-events: none;
}

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.problem-section {
    padding-top: 66px;
}

.problem-heading,
.section-heading,
.showcase-intro,
.pricing-heading,
.technology-heading {
    max-width: 760px;
}

.problem-heading h2,
.section-heading h2,
.showcase-intro h2,
.pricing-heading h2,
.technology-heading h2,
.overview-copy > h2,
.demo-copy h2 {
    color: var(--ink-strong);
    font-size: clamp(34px, 4.2vw, 60px);
    font-weight: 820;
    letter-spacing: -0.055em;
    line-height: 1.14;
}

.problem-heading p,
.section-heading p,
.showcase-intro p,
.pricing-heading > p:last-child,
.technology-heading > p:last-child,
.overview-copy > p,
.demo-copy > p {
    max-width: 42em;
    margin-top: 18px;
    color: var(--muted);
    font-size: 18px;
}

.outcome-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    margin-top: 54px;
    border-top: 1px solid var(--line-strong);
    border-bottom: 1px solid var(--line-strong);
}

.outcome-grid article {
    display: grid;
    gap: 11px;
    min-width: 0;
    padding: 29px clamp(18px, 2.4vw, 34px);
}

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

.outcome-grid span {
    color: var(--muted);
    font-size: 14px;
}

.outcome-grid strong {
    color: var(--brand-dark);
    font-size: clamp(18px, 1.6vw, 23px);
}

.overview-section {
    display: grid;
    grid-template-columns: minmax(340px, 0.7fr) minmax(0, 1.3fr);
    align-items: center;
    gap: clamp(52px, 7vw, 100px);
}

.feature-list {
    display: grid;
    gap: 0;
    margin-top: 42px;
    border-top: 1px solid var(--line);
}

.feature-list article {
    display: grid;
    grid-template-columns: 54px 1fr;
    gap: 18px;
    padding-block: 22px;
    border-bottom: 1px solid var(--line);
}

.feature-list b {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: var(--surface-mint);
    color: var(--brand-dark);
    font-size: 13px;
    letter-spacing: -0.02em;
}

.feature-list h3 {
    color: var(--ink-strong);
    font-size: 18px;
}

.feature-list p {
    margin-top: 4px;
    color: var(--muted);
    font-size: 14px;
}

.overview-media,
.workflow-media,
.architecture-media,
.showcase-stage {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-surface);
    background: #f8fbf9;
    box-shadow: var(--shadow-soft);
}

.overview-media img,
.architecture-media img,
.showcase-stage img {
    width: 100%;
    height: auto;
}

.workflow-section {
    width: min(1180px, calc(100% - 48px));
}

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

.section-heading.centered p {
    margin-inline: auto;
}

.workflow-steps {
    position: relative;
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    margin-top: 58px;
    padding: 0;
    list-style: none;
}

.workflow-steps::before {
    position: absolute;
    top: 19px;
    right: 8%;
    left: 8%;
    height: 1px;
    background: var(--line-strong);
    content: "";
}

.workflow-steps li {
    position: relative;
    display: grid;
    justify-items: center;
    gap: 13px;
    text-align: center;
}

.workflow-steps span {
    position: relative;
    display: grid;
    place-items: center;
    width: 40px;
    height: 40px;
    border: 6px solid var(--page);
    border-radius: 50%;
    background: var(--brand);
    color: #f7fcf9;
    font-size: 11px;
    font-weight: 800;
}

.workflow-steps strong {
    color: var(--ink-strong);
    font-size: 15px;
}

.workflow-media {
    width: 100%;
    margin: 52px 0 0;
}

.workflow-media img {
    width: 100%;
    height: auto;
    display: block;
}

.security-notice {
    position: fixed;
    left: 50%;
    bottom: max(24px, calc(env(safe-area-inset-bottom) + 16px));
    z-index: 1000;
    max-width: min(420px, calc(100vw - 32px));
    padding: 12px 18px;
    border-radius: 12px;
    background: var(--ink-strong);
    color: #fff;
    box-shadow: 0 12px 32px rgba(4, 35, 27, 0.2);
    font-size: 14px;
    line-height: 1.5;
    text-align: center;
    pointer-events: none;
    opacity: 0;
    transform: translate(-50%, 12px);
    transition: opacity 180ms ease, transform 180ms ease;
}

.security-notice.is-visible {
    opacity: 1;
    transform: translate(-50%, 0);
}

.capability-section .section-heading {
    margin-left: clamp(0px, 6vw, 74px);
}

.capability-grid {
    display: grid;
    grid-template-columns: 1.25fr 0.75fr 0.9fr;
    grid-template-rows: auto auto;
    gap: 20px;
    margin-top: 54px;
}

.capability-card {
    position: relative;
    overflow: hidden;
    min-height: 275px;
    padding: clamp(28px, 3vw, 42px);
    border: 1px solid var(--line);
    border-radius: var(--radius-surface);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}

.capability-card h3 {
    max-width: 15em;
    color: var(--ink-strong);
    font-size: clamp(24px, 2.5vw, 36px);
    line-height: 1.2;
}

.capability-card p {
    max-width: 31em;
    margin-top: 14px;
    color: var(--muted);
}

.capability-code {
    display: block;
    margin-bottom: 32px;
    color: var(--brand);
    font-size: 14px;
    font-weight: 850;
    letter-spacing: 0.08em;
}

.capability-card-main {
    grid-row: span 2;
    min-height: 570px;
    background:
        radial-gradient(circle at 100% 0%, rgba(16, 150, 109, 0.22), transparent 52%),
        var(--surface);
}

.capability-card-main::after {
    position: absolute;
    right: -80px;
    bottom: -110px;
    width: 310px;
    height: 310px;
    border: 54px solid color-mix(in srgb, var(--brand) 12%, transparent);
    border-radius: 50%;
    content: "";
}

.capability-tags {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: repeat(2, max-content);
    gap: 10px;
    margin-top: 54px;
}

.capability-tags span,
.technology-stack span {
    width: max-content;
    padding: 9px 13px;
    border: 1px solid var(--line-strong);
    border-radius: 10px;
    background: color-mix(in srgb, var(--surface) 82%, transparent);
    color: var(--ink-strong);
    font-size: 13px;
    font-weight: 700;
}

.capability-card-dark {
    border-color: #0e6149;
    background: #07513e;
}

.capability-card-dark .capability-code,
.capability-card-dark h3,
.capability-card-dark p {
    color: #ecf8f2;
}

.capability-card-dark p {
    color: #bedbce;
}

.capability-card-mint {
    background: var(--surface-mint);
}

.capability-card-photo {
    min-height: 275px;
    padding: 0;
}

.capability-card-photo img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.capability-card-wide {
    display: grid;
    grid-template-columns: auto 1fr;
    align-items: center;
    gap: 32px;
    min-height: 275px;
}

.capability-card-wide .capability-code {
    display: grid;
    place-items: center;
    width: 96px;
    height: 96px;
    margin: 0;
    border-radius: 50%;
    background: var(--brand-soft);
    color: var(--brand-dark);
    font-size: 18px;
}

.showcase-section {
    width: min(1440px, calc(100% - 48px));
}

.showcase-intro {
    margin-left: clamp(0px, 9vw, 130px);
}

.showcase-tabs {
    display: flex;
    gap: 10px;
    width: max-content;
    max-width: 100%;
    margin: 42px auto 0;
    padding: 7px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--surface-strong);
}

.showcase-tabs button {
    min-height: 44px;
    padding: 0 19px;
    border: 0;
    border-radius: 10px;
    background: transparent;
    color: var(--muted);
    font-weight: 700;
    cursor: pointer;
    transition: background-color 220ms var(--ease), color 220ms var(--ease), transform 220ms var(--ease);
}

.showcase-tabs button[aria-selected="true"] {
    background: var(--surface);
    color: var(--ink-strong);
    box-shadow: 0 5px 16px rgba(10, 76, 53, 0.08);
}

.showcase-tabs button:active {
    transform: scale(0.98);
}

.showcase-stage {
    margin-top: 28px;
    padding: clamp(8px, 1.5vw, 18px);
}

.showcase-stage figure {
    animation: panel-in 420ms var(--ease) both;
}

.technology-section {
    width: min(1440px, calc(100% - 48px));
}

.technology-heading {
    margin-left: auto;
    margin-right: clamp(0px, 7vw, 100px);
}

.technology-heading .eyebrow,
.pricing-heading .eyebrow {
    margin-bottom: 20px;
}

.architecture-media {
    margin-top: 52px;
}

.technology-stack {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 26px;
}

.pricing-section {
    width: min(1180px, calc(100% - 48px));
}

.pricing-heading {
    max-width: 960px;
    margin-inline: auto;
    text-align: center;
}

.pricing-heading .eyebrow {
    margin-inline: auto;
}

.pricing-heading > p:last-child {
    margin-inline: auto;
}

.pricing-layout {
    display: grid;
    grid-template-columns: minmax(360px, 1.05fr) minmax(360px, 0.95fr);
    gap: 22px;
    margin-top: 54px;
}

.plan {
    position: relative;
    border: 1px solid var(--line);
    border-radius: var(--radius-surface);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
}

.plan-featured {
    display: flex;
    flex-direction: column;
    min-height: 560px;
    padding: clamp(34px, 4.5vw, 58px);
    border-color: #147a5c;
    background:
        radial-gradient(circle at 100% 0%, rgba(88, 196, 151, 0.22), transparent 44%),
        #07513e;
    color: #eff9f4;
}

.plan-badge {
    position: absolute;
    top: 24px;
    right: 24px;
    padding: 7px 11px;
    border-radius: 9px;
    background: #e4b34f;
    color: #183b2d;
    font-size: 13px;
    font-weight: 850;
}

.plan-name {
    font-size: 22px;
    font-weight: 800;
}

.plan-price {
    margin-top: 22px;
    color: var(--amber);
    font-size: clamp(54px, 6vw, 78px);
    font-weight: 850;
    letter-spacing: -0.07em;
    line-height: 1;
}

.plan-price small {
    margin-right: 5px;
    font-size: 21px;
    letter-spacing: 0;
}

.plan-fit {
    margin-top: 13px;
    color: inherit;
    opacity: 0.76;
}

.plan-featured ul {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 20px;
    margin: 40px 0 42px;
    padding: 28px 0 0;
    border-top: 1px solid rgba(237, 249, 243, 0.2);
    list-style: none;
}

.plan-featured li::before {
    margin-right: 8px;
    color: #75d5ad;
    content: "✓";
}

.plan-featured .button {
    width: 100%;
    margin-top: auto;
}

.plan-stack {
    display: grid;
    gap: 18px;
}

.plan-compact {
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 12px 26px;
    min-height: 180px;
    padding: 30px;
}

.plan-compact .plan-price {
    margin: 0;
    font-size: clamp(42px, 4.2vw, 58px);
}

.plan-compact .text-link {
    grid-column: 1 / -1;
}

.service-note {
    padding: 28px 30px;
    border-left: 3px solid var(--brand);
    color: var(--ink-strong);
}

.service-note strong {
    font-size: 18px;
}

.service-note p {
    margin-top: 5px;
    color: var(--muted);
}

.demo-section {
    display: grid;
    grid-template-columns: 0.75fr 1.25fr;
    align-items: center;
    gap: clamp(52px, 7vw, 94px);
    width: min(1180px, calc(100% - 48px));
}

.demo-copy > p {
    max-width: 29em;
}

.demo-qr-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
}

.demo-qr-grid article,
.demo-qr-grid > a {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-surface);
    background: var(--surface);
    box-shadow: var(--shadow-soft);
    transition: transform 220ms var(--ease), border-color 220ms var(--ease);
}

.demo-qr-grid > a:hover {
    border-color: var(--brand);
    transform: translateY(-3px);
}

.demo-qr-grid img {
    width: 100%;
    aspect-ratio: 1.25 / 1;
    object-fit: contain;
    background: #fafcfb;
}

.demo-qr-grid div {
    padding: 22px 24px 25px;
    border-top: 1px solid var(--line);
}

.demo-qr-grid h3 {
    color: var(--ink-strong);
    font-size: 18px;
}

.demo-qr-grid p {
    margin-top: 4px;
    color: var(--muted);
    font-size: 14px;
}

.site-footer {
    width: min(1440px, calc(100% - 32px));
    margin: 22px auto 16px;
    padding: 66px clamp(28px, 5vw, 72px) 28px;
    border-radius: 30px;
    background: #063c2d;
    color: #d9ece3;
}

.footer-inner {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 70px;
}

.site-footer .brand-copy strong,
.site-footer .brand-copy small {
    color: #eff8f3;
}

.footer-brand > p {
    max-width: 24em;
    margin-top: 22px;
    color: #a9c9ba;
}

.footer-links {
    display: grid;
    grid-template-columns: 0.7fr 0.7fr 1.25fr;
    gap: 42px;
}

.footer-links > div {
    display: flex;
    flex-direction: column;
    gap: 12px;
    min-width: 0;
}

.footer-links h2 {
    margin-bottom: 7px;
    color: #f0f8f4;
    font-size: 14px;
}

.footer-links a,
.footer-links span,
.footer-button {
    overflow-wrap: anywhere;
    border: 0;
    background: none;
    color: #a9c9ba;
    font-size: 14px;
    text-align: left;
}

.footer-links a:hover,
.footer-button:hover {
    color: #eff8f3;
}

.footer-button {
    padding: 0;
    cursor: pointer;
}

.footer-legal {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    margin-top: 54px;
    padding-top: 24px;
    border-top: 1px solid rgba(218, 238, 228, 0.16);
    color: #87ad9b;
    font-size: 12px;
}

.contact-dialog {
    width: min(880px, calc(100% - 32px));
    max-width: none;
    padding: 0;
    border: 0;
    border-radius: 28px;
    background: var(--surface);
    color: var(--ink);
    box-shadow: 0 35px 110px rgba(2, 25, 17, 0.36);
}

.contact-dialog::backdrop {
    background: rgba(6, 37, 28, 0.68);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
}

.dialog-card {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 290px;
    align-items: center;
    gap: 48px;
    padding: 42px;
}

.dialog-card > img {
    width: 100%;
    max-height: 440px;
    border: 1px solid var(--line);
    border-radius: 18px;
    object-fit: contain;
}

.dialog-close {
    position: absolute;
    top: 18px;
    right: 18px;
    min-width: 58px;
    min-height: 38px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface-strong);
    color: var(--muted);
    cursor: pointer;
}

.dialog-label {
    margin-bottom: 15px;
    color: var(--brand);
    font-size: 14px;
    font-weight: 800;
}

.dialog-copy h2 {
    color: var(--ink-strong);
    font-size: clamp(30px, 3.4vw, 40px);
    letter-spacing: -0.04em;
    line-height: 1.18;
}

.dialog-copy > p:not(.dialog-label) {
    margin-top: 18px;
    color: var(--muted);
}

.dialog-copy > a {
    display: inline-block;
    margin-top: 24px;
    color: var(--brand-dark);
    font-weight: 700;
}

.js .reveal {
    opacity: 0;
    transform: translateY(26px);
    transition: opacity 720ms var(--ease), transform 720ms var(--ease);
}

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

@keyframes panel-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@media (prefers-reduced-motion: no-preference) {
    .hero-copy {
        animation: hero-copy-in 820ms var(--ease) both;
    }

    .hero-media {
        animation: hero-media-in 960ms 100ms var(--ease) both;
    }

    @keyframes hero-copy-in {
        from {
            opacity: 0;
            transform: translateY(22px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }

    @keyframes hero-media-in {
        from {
            opacity: 0;
            transform: translateX(32px) scale(0.98);
        }
        to {
            opacity: 1;
            transform: translateX(0) scale(1);
        }
    }
}

@media (max-width: 1100px) {
    .nav-shell {
        gap: 22px;
    }

    .site-nav {
        gap: 18px;
    }

    .hero {
        grid-template-columns: minmax(0, 0.8fr) minmax(440px, 1.2fr);
        gap: 40px;
    }

    .hero h1 {
        font-size: clamp(48px, 6.2vw, 68px);
    }

    .overview-section {
        grid-template-columns: 1fr;
    }

    .overview-copy {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 0 54px;
        align-items: start;
    }

    .overview-copy > h2,
    .overview-copy > p {
        grid-column: 1;
    }

    .feature-list {
        grid-column: 2;
        grid-row: 1 / span 2;
        margin-top: 0;
    }

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

    .capability-card-main {
        grid-row: span 2;
    }

    .capability-card-wide {
        grid-column: 1 / -1;
    }
}

@media (max-width: 900px) {
    :root {
        --header-height: 66px;
    }

    .section-shell,
    .workflow-section,
    .showcase-section,
    .technology-section,
    .pricing-section,
    .demo-section {
        width: min(100% - 32px, 760px);
        padding-block: 78px;
    }

    .nav-shell {
        grid-template-columns: 1fr auto;
        width: calc(100% - 32px);
    }

    .menu-button {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        min-width: 58px;
        min-height: 40px;
        border: 1px solid var(--line);
        border-radius: 10px;
        background: var(--surface);
        color: var(--ink-strong);
        font-size: 14px;
        font-weight: 750;
        cursor: pointer;
    }

    .header-cta {
        display: none;
    }

    .site-nav {
        position: fixed;
        top: var(--header-height);
        right: 0;
        left: 0;
        display: grid;
        align-content: start;
        justify-content: stretch;
        gap: 0;
        max-height: 0;
        overflow: hidden;
        padding: 0 16px;
        border-bottom: 1px solid transparent;
        background: var(--page);
        opacity: 0;
        pointer-events: none;
        transition: max-height 360ms var(--ease), opacity 240ms var(--ease), padding 360ms var(--ease);
    }

    .site-nav.is-open {
        max-height: calc(100dvh - var(--header-height));
        padding-block: 16px 24px;
        border-bottom-color: var(--line);
        opacity: 1;
        pointer-events: auto;
    }

    .site-nav a {
        padding: 15px 10px;
        border-bottom: 1px solid var(--line);
        color: var(--ink-strong);
        font-size: 16px;
    }

    .site-nav a::after {
        display: none;
    }

    .hero {
        grid-template-columns: 1fr;
        gap: 44px;
        width: min(100% - 32px, 760px);
        min-height: auto;
        padding-block: 64px 54px;
    }

    .hero-copy {
        width: min(620px, 100%);
    }

    .hero h1 {
        max-width: 9em;
        font-size: clamp(48px, 11vw, 72px);
    }

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

    .outcome-grid article + article {
        border-left: 0;
    }

    .outcome-grid article:nth-child(even) {
        border-left: 1px solid var(--line);
    }

    .outcome-grid article:nth-child(n + 3) {
        border-top: 1px solid var(--line);
    }

    .overview-copy {
        display: block;
    }

    .feature-list {
        margin-top: 36px;
    }

    .workflow-steps {
        grid-template-columns: repeat(5, minmax(118px, 1fr));
        overflow-x: auto;
        padding-bottom: 12px;
        scroll-snap-type: x mandatory;
    }

    .workflow-steps li {
        scroll-snap-align: start;
    }

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

    .capability-card-main {
        grid-column: 1 / -1;
        grid-row: auto;
        min-height: 430px;
    }

    .capability-card-wide {
        min-height: 220px;
    }

    .pricing-layout,
    .demo-section {
        grid-template-columns: 1fr;
    }

    .demo-copy {
        width: min(620px, 100%);
    }

    .footer-inner {
        grid-template-columns: 1fr;
        gap: 48px;
    }
}

@media (max-width: 620px) {
    .section-shell,
    .workflow-section,
    .showcase-section,
    .technology-section,
    .pricing-section,
    .demo-section {
        width: calc(100% - 32px);
        padding-block: 64px;
    }

    .brand-copy small {
        display: none;
    }

    .hero {
        width: calc(100% - 32px);
        padding-top: 46px;
    }

    .hero h1 {
        font-size: clamp(44px, 14.2vw, 60px);
        letter-spacing: -0.065em;
    }

    .hero-lead {
        margin-top: 22px;
        font-size: 17px;
    }

    .hero-actions,
    .demo-actions {
        align-items: flex-start;
        flex-direction: column;
        gap: 14px;
        margin-top: 28px;
    }

    .hero-media {
        aspect-ratio: 4 / 3;
        border-radius: 22px;
    }

    .hero-media img {
        object-position: 60% center;
    }

    .problem-heading h2,
    .section-heading h2,
    .showcase-intro h2,
    .pricing-heading h2,
    .technology-heading h2,
    .overview-copy > h2,
    .demo-copy h2 {
        font-size: clamp(32px, 10vw, 44px);
    }

    .problem-heading p,
    .section-heading p,
    .showcase-intro p,
    .pricing-heading > p:last-child,
    .technology-heading > p:last-child,
    .overview-copy > p,
    .demo-copy > p {
        font-size: 16px;
    }

    .outcome-grid {
        grid-template-columns: 1fr;
        margin-top: 38px;
    }

    .outcome-grid article:nth-child(even) {
        border-left: 0;
    }

    .outcome-grid article + article {
        border-top: 1px solid var(--line);
    }

    .overview-section {
        gap: 40px;
    }

    .overview-media,
    .workflow-media,
    .architecture-media,
    .showcase-stage {
        border-radius: 18px;
    }

    .workflow-steps {
        margin-top: 40px;
    }

    .workflow-media {
        margin-top: 30px;
    }

    .capability-section .section-heading,
    .showcase-intro,
    .technology-heading {
        margin-inline: 0;
    }

    .capability-grid {
        grid-template-columns: 1fr;
        gap: 14px;
        margin-top: 38px;
    }

    .capability-card,
    .capability-card-main,
    .capability-card-wide {
        grid-column: auto;
        min-height: 280px;
        border-radius: 18px;
    }

    .capability-card-wide {
        grid-template-columns: 1fr;
        align-items: start;
        gap: 22px;
    }

    .capability-card-wide .capability-code {
        width: 72px;
        height: 72px;
    }

    .capability-tags {
        grid-template-columns: 1fr;
        margin-top: 34px;
    }

    .showcase-tabs {
        width: 100%;
        overflow-x: auto;
        justify-content: flex-start;
    }

    .showcase-tabs button {
        flex: 0 0 auto;
        padding-inline: 15px;
        font-size: 14px;
    }

    .technology-stack {
        justify-content: flex-start;
    }

    .pricing-layout {
        grid-template-columns: minmax(0, 1fr);
        margin-top: 38px;
    }

    .plan-featured {
        min-height: 520px;
        border-radius: 18px;
    }

    .plan-featured ul {
        grid-template-columns: 1fr;
    }

    .plan-compact {
        grid-template-columns: 1fr;
        border-radius: 18px;
    }

    .plan-compact .text-link {
        grid-column: auto;
    }

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

    .site-footer {
        width: calc(100% - 16px);
        padding: 48px 24px 24px;
        border-radius: 22px;
    }

    .footer-links {
        grid-template-columns: 1fr 1fr;
        gap: 36px 24px;
    }

    .footer-links > div:last-child {
        grid-column: 1 / -1;
    }

    .footer-legal {
        flex-direction: column;
        gap: 8px;
    }

    .dialog-card {
        grid-template-columns: 1fr;
        gap: 28px;
        padding: 66px 24px 24px;
    }

    .dialog-card > img {
        width: min(300px, 100%);
        max-height: 380px;
        margin-inline: auto;
    }
}

@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;
    }

    .js .reveal {
        opacity: 1;
        transform: none;
    }
}

@media (prefers-reduced-transparency: reduce) {
    .site-header,
    .site-nav {
        background: var(--page);
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }

    .contact-dialog::backdrop {
        backdrop-filter: none;
        -webkit-backdrop-filter: none;
    }
}