:root {
    color-scheme: light dark;
    --bg: #f4f7fb;
    --surface: #ffffff;
    --surface-muted: #edf2f8;
    --surface-soft: #f8fafc;
    --surface-strong: #142033;
    --text: #142033;
    --text-secondary: #4b5d77;
    --text-muted: #60728d;
    --line: #d7e0ec;
    --line-strong: #b8c7da;
    --accent: #176fd1;
    --accent-hover: #0e5eb8;
    --accent-soft: #e4f0fd;
    --accent-contrast: #ffffff;
    --success: #16794c;
    --success-soft: #e5f5ed;
    --danger: #ba2d38;
    --danger-soft: #fbecee;
    --focus: rgba(23, 111, 209, 0.36);
    --shadow-raised: 0 20px 60px rgba(31, 57, 91, 0.1);
    --shadow-header: 0 1px 0 rgba(31, 57, 91, 0.08);
    --radius-sm: 14px;
    --radius-md: 18px;
    --radius-lg: 24px;
    --radius-xl: 28px;
    --shell: 1180px;
    --header-height: 76px;
    --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

@media (prefers-color-scheme: dark) {
    :root {
        --bg: #0b1018;
        --surface: #111925;
        --surface-muted: #172231;
        --surface-soft: #0e1621;
        --surface-strong: #eaf2fc;
        --text: #edf4fc;
        --text-secondary: #bac8d9;
        --text-muted: #94a7be;
        --line: #26364a;
        --line-strong: #3b506a;
        --accent: #61a9ff;
        --accent-hover: #82bbff;
        --accent-soft: #142d4b;
        --accent-contrast: #07101c;
        --success: #56c895;
        --success-soft: #123428;
        --danger: #ff8991;
        --danger-soft: #3d1c23;
        --focus: rgba(97, 169, 255, 0.42);
        --shadow-raised: 0 24px 70px rgba(0, 0, 0, 0.28);
        --shadow-header: 0 1px 0 rgba(255, 255, 255, 0.06);
    }
}

/* Локальный visual-QA override. Сервер включает его только при DESIGN_QA_ENABLED=1. */
:root.theme-qa-dark {
    --bg: #0b1018;
    --surface: #111925;
    --surface-muted: #172231;
    --surface-soft: #0e1621;
    --surface-strong: #eaf2fc;
    --text: #edf4fc;
    --text-secondary: #bac8d9;
    --text-muted: #94a7be;
    --line: #26364a;
    --line-strong: #3b506a;
    --accent: #61a9ff;
    --accent-hover: #82bbff;
    --accent-soft: #142d4b;
    --accent-contrast: #07101c;
    --success: #56c895;
    --success-soft: #123428;
    --danger: #ff8991;
    --danger-soft: #3d1c23;
    --focus: rgba(97, 169, 255, 0.42);
    --shadow-raised: 0 24px 70px rgba(0, 0, 0, 0.28);
    --shadow-header: 0 1px 0 rgba(255, 255, 255, 0.06);
    color-scheme: dark;
}

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

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

body {
    min-width: 0;
    max-width: 100%;
    margin: 0;
    overflow-x: clip;
    background:
        radial-gradient(circle at 10% 1%, color-mix(in srgb, var(--accent) 7%, transparent), transparent 25rem),
        var(--bg);
    color: var(--text);
    font-family: "Manrope", Arial, sans-serif;
    font-size: 16px;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

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

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

button {
    color: inherit;
}

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

img,
svg,
video,
iframe {
    display: block;
    max-width: 100%;
}

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

h1,
h2,
h3 {
    min-width: 0;
    overflow-wrap: break-word;
    hyphens: auto;
    text-wrap: balance;
}

p,
li,
dd {
    overflow-wrap: anywhere;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
select:focus-visible,
summary:focus-visible {
    outline: 3px solid var(--focus);
    outline-offset: 3px;
}

::selection {
    background: var(--accent);
    color: var(--accent-contrast);
}

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

.skip-link {
    position: fixed;
    top: 10px;
    left: 10px;
    z-index: 1000;
    padding: 12px 16px;
    border-radius: var(--radius-sm);
    background: var(--surface-strong);
    color: var(--bg);
    font-weight: 800;
    transform: translateY(-150%);
    transition: transform 180ms var(--ease);
}

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

.shell {
    width: min(var(--shell), calc(100% - 40px));
    margin-inline: auto;
}

.section {
    padding: clamp(72px, 10vw, 132px) 0;
}

.eyebrow {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 18px;
    color: var(--accent);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.76rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    line-height: 1.4;
    text-transform: uppercase;
}

.eyebrow > span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 5px color-mix(in srgb, var(--success) 13%, transparent);
}

.section-heading {
    max-width: 780px;
    margin-bottom: clamp(34px, 5vw, 56px);
}

.section-heading h2 {
    font-size: clamp(2.15rem, 5vw, 4.35rem);
    font-weight: 800;
    letter-spacing: -0.06em;
    line-height: 1.02;
}

.section-heading > p:last-child,
.split-heading > p,
.heading-action > p {
    margin-top: 18px;
    color: var(--text-secondary);
    font-size: clamp(1rem, 1.6vw, 1.12rem);
}

.split-heading {
    display: grid;
    max-width: none;
    grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.55fr);
    gap: clamp(28px, 6vw, 80px);
    align-items: end;
}

.split-heading > p,
.heading-action {
    align-self: end;
}

.heading-action {
    display: grid;
    gap: 14px;
}

.button {
    display: inline-flex;
    min-height: 50px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 0 20px;
    border: 1px solid var(--accent);
    border-radius: var(--radius-sm);
    background: var(--accent);
    color: var(--accent-contrast);
    font-size: 0.92rem;
    font-weight: 800;
    line-height: 1.2;
    text-align: center;
    cursor: pointer;
    transition:
        background-color 180ms ease,
        border-color 180ms ease,
        color 180ms ease,
        transform 180ms var(--ease),
        box-shadow 180ms ease;
}

.button:hover {
    border-color: var(--accent-hover);
    background: var(--accent-hover);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px color-mix(in srgb, var(--accent) 22%, transparent);
}

.button:disabled {
    cursor: wait;
    opacity: 0.68;
    transform: none;
    box-shadow: none;
}

.button-secondary {
    border-color: var(--line-strong);
    background: var(--surface);
    color: var(--text);
    box-shadow: none;
}

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

.button-small {
    min-height: 44px;
    padding-inline: 16px;
    font-size: 0.84rem;
}

.text-link,
.back-link {
    display: inline-flex;
    min-height: 44px;
    width: fit-content;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-weight: 800;
    text-decoration: underline;
    text-decoration-color: transparent;
    text-underline-offset: 4px;
    transition: color 160ms ease, text-decoration-color 160ms ease;
}

.text-link:hover,
.back-link:hover {
    color: var(--accent-hover);
    text-decoration-color: currentColor;
}

/* Header */

.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    height: var(--header-height);
    border-bottom: 1px solid color-mix(in srgb, var(--line) 74%, transparent);
    background: color-mix(in srgb, var(--bg) 86%, transparent);
    box-shadow: var(--shadow-header);
    backdrop-filter: blur(18px) saturate(130%);
}

.header-inner {
    display: grid;
    height: 100%;
    grid-template-columns: auto 1fr auto;
    gap: 28px;
    align-items: center;
}

.brand {
    display: inline-flex;
    width: fit-content;
    min-height: 44px;
    min-width: 44px;
    align-items: center;
    gap: 11px;
    font-weight: 800;
    letter-spacing: -0.03em;
}

.brand-mark {
    display: grid;
    width: 42px;
    height: 42px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--surface);
    color: var(--accent);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.78rem;
}

.brand-name span {
    color: var(--text-muted);
}

.site-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 4px;
}

.site-nav a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    padding: 0 12px;
    border-radius: 12px;
    color: var(--text-secondary);
    font-size: 0.83rem;
    font-weight: 700;
    transition: color 160ms ease, background-color 160ms ease;
}

.site-nav a:hover,
.site-nav a[aria-current="page"] {
    background: var(--surface-muted);
    color: var(--text);
}

.site-nav a[aria-current="page"] {
    box-shadow: inset 0 -2px 0 var(--accent);
}

.menu-button {
    display: none;
    width: 44px;
    height: 44px;
    place-items: center;
    gap: 5px;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 13px;
    background: var(--surface);
    cursor: pointer;
}

.menu-button > span:not(.sr-only) {
    width: 18px;
    height: 2px;
    border-radius: 99px;
    background: currentColor;
    transition: transform 180ms ease;
}

.menu-button[aria-expanded="true"] > span:nth-of-type(2) {
    transform: translateY(3.5px) rotate(45deg);
}

.menu-button[aria-expanded="true"] > span:nth-of-type(3) {
    transform: translateY(-3.5px) rotate(-45deg);
}

/* Hero */

.hero {
    min-height: calc(100svh - var(--header-height));
    display: grid;
    align-items: center;
    padding-top: clamp(70px, 8vw, 110px);
    padding-bottom: clamp(80px, 10vw, 130px);
}

.hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1.2fr) minmax(360px, 0.8fr);
    gap: clamp(42px, 7vw, 96px);
    align-items: center;
}

.hero-copy h1 {
    max-width: 900px;
    font-size: clamp(3.2rem, 7.4vw, 7rem);
    font-weight: 800;
    letter-spacing: -0.075em;
    line-height: 0.93;
}

.hero-copy h1 em {
    color: var(--accent);
    font-style: normal;
}

.hero-lead {
    max-width: 700px;
    margin-top: 28px;
    color: var(--text-secondary);
    font-size: clamp(1.05rem, 1.8vw, 1.28rem);
    line-height: 1.65;
}

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

.hero-proof {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 14px;
    margin-top: 48px;
    padding: 0;
    list-style: none;
}

.hero-proof li {
    min-width: 0;
    padding-top: 16px;
    border-top: 1px solid var(--line);
}

.hero-proof strong,
.hero-proof span {
    display: block;
}

.hero-proof strong {
    font-size: 0.9rem;
}

.hero-proof span {
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 0.76rem;
}

.hero-console {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-raised);
    transform: rotate(1.2deg);
}

.console-bar,
.form-head {
    display: flex;
    min-height: 48px;
    align-items: center;
    gap: 8px;
    padding: 0 16px;
    border-bottom: 1px solid var(--line);
    background: var(--surface-muted);
    color: var(--text-muted);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.68rem;
}

.console-bar > span,
.browser-dots > span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: #ff6b6b;
}

.console-bar > span:nth-child(2),
.browser-dots > span:nth-child(2) {
    background: #e6b34a;
}

.console-bar > span:nth-child(3),
.browser-dots > span:nth-child(3) {
    background: #43b97f;
}

.console-bar b {
    margin-left: auto;
    font-weight: 600;
}

.console-body {
    padding: clamp(24px, 4vw, 40px);
    color: var(--text-secondary);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: clamp(0.77rem, 1.2vw, 0.9rem);
    line-height: 1.95;
}

.code-indent {
    padding-left: 22px;
}

.code-key,
.code-name {
    color: var(--accent);
}

.code-string {
    color: var(--success);
}

.code-bool {
    color: #9b6bdf;
}

.console-result {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 10px;
    align-items: center;
    margin-top: 28px;
    padding: 14px;
    border: 1px solid color-mix(in srgb, var(--success) 30%, var(--line));
    border-radius: var(--radius-sm);
    background: var(--success-soft);
    color: var(--success);
    font-family: "Manrope", Arial, sans-serif;
    font-size: 0.76rem;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--success);
    box-shadow: 0 0 0 5px color-mix(in srgb, var(--success) 14%, transparent);
}

/* Services */

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 16px;
}

.service-card {
    position: relative;
    grid-column: span 5;
    min-height: 330px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    gap: 30px;
    overflow: hidden;
    padding: clamp(24px, 3.2vw, 38px);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    transition: border-color 180ms ease, transform 180ms var(--ease);
}

.service-card:hover {
    border-color: var(--line-strong);
    transform: translateY(-3px);
}

.service-card-wide {
    grid-column: span 7;
}

.service-index {
    position: absolute;
    top: 22px;
    right: 24px;
    color: var(--text-muted);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.72rem;
}

.card-kicker {
    margin-bottom: 14px;
    color: var(--accent);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.service-card h3 {
    max-width: 580px;
    font-size: clamp(1.65rem, 3vw, 2.65rem);
    letter-spacing: -0.05em;
    line-height: 1.05;
}

.service-card p:not(.card-kicker) {
    max-width: 600px;
    margin-top: 14px;
    color: var(--text-secondary);
}

.service-card-accent {
    border-color: var(--accent);
    background: var(--accent);
    color: var(--accent-contrast);
}

.service-card-accent .card-kicker,
.service-card-accent p:not(.card-kicker) {
    color: color-mix(in srgb, var(--accent-contrast) 82%, transparent);
}

.service-arrow {
    font-size: 2.8rem;
    line-height: 1;
}

.service-card-dark {
    background: var(--surface-strong);
    color: var(--bg);
}

.service-card-dark p:not(.card-kicker) {
    color: color-mix(in srgb, var(--bg) 76%, transparent);
}

.service-symbol {
    display: flex;
    align-items: center;
    gap: 8px;
    color: var(--accent);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: clamp(0.8rem, 1.6vw, 1rem);
}

.service-symbol span {
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface-muted);
}

.mini-window {
    display: grid;
    max-width: 280px;
    grid-template-columns: 1fr 0.7fr;
    gap: 8px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface-muted);
}

.mini-window span {
    min-height: 34px;
    border: 1px solid var(--line-strong);
    border-radius: 9px;
    background: var(--surface);
}

.mini-window span:first-child {
    grid-column: 1 / -1;
}

.integration-line {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--bg);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.72rem;
}

.integration-line span {
    padding: 9px 11px;
    border: 1px solid color-mix(in srgb, var(--bg) 22%, transparent);
    border-radius: 10px;
}

.integration-line i {
    flex: 1;
    min-width: 18px;
    height: 1px;
    background: color-mix(in srgb, var(--bg) 30%, transparent);
}

/* Stack */

.stack-section {
    padding-block: clamp(64px, 8vw, 96px);
}

.stack-panel {
    display: grid;
    grid-template-columns: minmax(260px, 0.65fr) minmax(0, 1.35fr);
    gap: clamp(36px, 7vw, 86px);
    align-items: start;
    padding: clamp(28px, 4.5vw, 56px);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--surface);
}

.stack-copy h2 {
    font-size: clamp(2rem, 4vw, 3.5rem);
    letter-spacing: -0.055em;
    line-height: 1.04;
}

.stack-copy > p:last-child {
    margin-top: 20px;
    color: var(--text-secondary);
}

.stack-list {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 10px;
    padding: 0;
    list-style: none;
}

.stack-list li {
    display: flex;
    min-width: 0;
    min-height: 72px;
    align-items: center;
    gap: 12px;
    padding: 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-soft);
}

.stack-list img {
    flex: 0 0 auto;
}

.stack-list span,
.stack-list strong,
.stack-list small {
    display: block;
    min-width: 0;
}

.stack-list strong {
    font-size: 0.82rem;
}

.stack-list small {
    margin-top: 2px;
    color: var(--text-muted);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.62rem;
}

/* Cases and deferred demos */

.cases-section {
    background: var(--surface-soft);
}

.case-list {
    display: grid;
}

.case-row {
    display: grid;
    grid-template-columns: minmax(0, 0.78fr) minmax(0, 1.22fr);
    gap: clamp(34px, 6vw, 84px);
    align-items: center;
    padding: clamp(44px, 7vw, 90px) 0;
    border-top: 1px solid var(--line);
}

.case-row:last-child {
    border-bottom: 1px solid var(--line);
}

.case-row-meta {
    display: flex;
    gap: 12px;
    align-items: center;
    margin-bottom: 18px;
    color: var(--text-muted);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.72rem;
    text-transform: uppercase;
}

.case-row-meta span:first-child {
    color: var(--accent);
}

.case-row h3 {
    font-size: clamp(2rem, 4.4vw, 4.25rem);
    letter-spacing: -0.06em;
    line-height: 1.01;
}

.case-row-copy > p {
    margin-top: 20px;
    color: var(--text-secondary);
    font-size: 1.02rem;
}

.case-tags,
.project-chip-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    padding: 0;
    list-style: none;
}

.case-tags {
    margin-top: 22px;
}

.case-tags li,
.project-chip-list li {
    padding: 7px 10px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 700;
}

.case-row-preview {
    min-width: 0;
}

.project-preview-frame {
    overflow: hidden;
    padding: 42px 12px 12px;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background:
        radial-gradient(circle at 22px 20px, #ff6b6b 0 4px, transparent 5px),
        radial-gradient(circle at 40px 20px, #e6b34a 0 4px, transparent 5px),
        radial-gradient(circle at 58px 20px, #43b97f 0 4px, transparent 5px),
        var(--surface);
}

.project-preview-frame img {
    width: 100%;
    max-height: 480px;
    border-radius: var(--radius-md);
    background: var(--surface-muted);
    object-fit: cover;
    object-position: top;
}

.demo-compact,
.demo-browser {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-raised);
}

.demo-compact {
    margin-top: 16px;
}

.demo-compact:first-child {
    margin-top: 0;
}

.demo-compact-bar,
.demo-browser-toolbar {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto auto;
    gap: 8px;
    align-items: center;
    min-height: 54px;
    padding: 8px 10px 8px 16px;
    border-bottom: 1px solid var(--line);
    background: var(--surface-muted);
}

.demo-address {
    min-width: 0;
    overflow: hidden;
    color: var(--text-muted);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.68rem;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.icon-button,
.demo-controls button {
    display: grid;
    width: 44px;
    height: 44px;
    place-items: center;
    padding: 0;
    border: 1px solid var(--line);
    border-radius: 12px;
    background: var(--surface);
    color: var(--text-secondary);
    cursor: pointer;
}

.icon-button:disabled,
.demo-controls button:disabled {
    cursor: not-allowed;
    opacity: 0.45;
}

.icon-button[aria-pressed="true"],
.demo-controls button[aria-pressed="true"] {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
}

.demo-stage {
    position: relative;
    display: grid;
    min-height: 380px;
    place-items: stretch;
    overflow: auto;
    padding: 16px;
    background:
        linear-gradient(var(--line) 1px, transparent 1px),
        linear-gradient(90deg, var(--line) 1px, transparent 1px),
        var(--surface-soft);
    background-size: 24px 24px;
}

.demo-preview {
    position: relative;
    min-height: 340px;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: var(--surface);
}

.demo-preview > img {
    width: 100%;
    height: 100%;
    min-height: 340px;
    object-fit: cover;
    object-position: top;
    filter: saturate(0.72);
    opacity: 0.74;
}

.demo-preview::after {
    content: "";
    position: absolute;
    inset: 0;
    background: color-mix(in srgb, var(--surface) 30%, transparent);
    backdrop-filter: blur(2px);
}

.demo-launch,
.demo-preview-copy {
    position: absolute;
    z-index: 2;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.demo-launch:hover {
    transform: translate(-50%, calc(-50% - 2px));
}

.demo-preview-copy {
    display: grid;
    min-width: min(300px, calc(100% - 32px));
    place-items: center;
    gap: 15px;
    padding: 22px;
    border: 1px solid var(--line);
    border-radius: var(--radius-md);
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    box-shadow: var(--shadow-raised);
    text-align: center;
}

.demo-preview-copy .demo-launch {
    position: static;
    transform: none;
}

.demo-preview-copy .demo-launch:hover {
    transform: translateY(-2px);
}

.demo-status {
    min-height: 36px;
    padding: 9px 14px;
    border-top: 1px solid var(--line);
    color: var(--text-muted);
    font-size: 0.72rem;
}

.demo-stage iframe {
    width: 100%;
    height: min(72vh, 720px);
    min-height: 520px;
    margin-inline: auto;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: #ffffff;
}

[data-demo-shell][data-demo-device="mobile"] .demo-stage iframe {
    width: min(390px, 100%);
}

[data-demo-shell].is-loading .demo-stage::after {
    content: "Загружаю демо…";
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background: color-mix(in srgb, var(--surface) 90%, transparent);
    color: var(--text-secondary);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.78rem;
}

[data-demo-shell].is-error .demo-stage {
    min-height: 280px;
}

.demo-error {
    display: grid;
    min-height: 250px;
    place-items: center;
    gap: 14px;
    padding: 28px;
    border: 1px dashed var(--danger);
    border-radius: var(--radius-md);
    background: var(--danger-soft);
    color: var(--danger);
    text-align: center;
}

.demo-browser-toolbar {
    grid-template-columns: auto minmax(0, 1fr) auto;
    padding-inline: 16px;
}

.browser-dots {
    display: flex;
    gap: 7px;
}

.demo-controls {
    display: flex;
    gap: 8px;
}

.demo-browser:fullscreen {
    width: 100vw;
    height: 100vh;
    border-radius: 0;
    background: var(--surface);
}

.demo-browser:fullscreen .demo-stage {
    height: calc(100vh - 91px);
}

.demo-browser:fullscreen iframe {
    height: 100%;
    max-height: none;
}

/* Reviews, process, FAQ */

.reviews-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.review-card {
    display: grid;
    min-width: 0;
    min-height: 360px;
    grid-template-rows: auto 1fr auto;
    gap: 24px;
    padding: clamp(26px, 4vw, 42px);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
}

.review-mark {
    color: var(--accent);
    font-family: Georgia, serif;
    font-size: 4.8rem;
    line-height: 0.55;
}

.review-card blockquote {
    color: var(--text);
    font-size: clamp(1.2rem, 2.1vw, 1.55rem);
    font-weight: 600;
    line-height: 1.55;
}

.review-footer {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    align-items: end;
    justify-content: space-between;
    padding-top: 18px;
    border-top: 1px solid var(--line);
}

.review-footer span,
.review-footer strong,
.review-footer small {
    display: block;
}

.review-footer small {
    max-width: 260px;
    margin-top: 4px;
    color: var(--text-muted);
    font-size: 0.72rem;
}

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

.process-list {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    padding: 1px;
    border-radius: var(--radius-lg);
    background: var(--line);
    list-style: none;
}

.process-list li {
    min-width: 0;
    min-height: 300px;
    padding: clamp(24px, 3vw, 34px);
    background: var(--surface);
}

.process-list li > span {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    color: var(--accent);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.78rem;
}

.process-list h3 {
    margin-top: 56px;
    font-size: 1.25rem;
    letter-spacing: -0.03em;
}

.process-list p {
    margin-top: 12px;
    color: var(--text-secondary);
    font-size: 0.88rem;
}

.faq-grid {
    display: grid;
    grid-template-columns: minmax(260px, 0.6fr) minmax(0, 1.4fr);
    gap: clamp(44px, 8vw, 110px);
}

.faq-heading {
    position: sticky;
    top: calc(var(--header-height) + 34px);
    height: fit-content;
    margin: 0;
}

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

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

.faq-list summary {
    display: grid;
    min-height: 80px;
    grid-template-columns: 1fr 28px;
    gap: 16px;
    align-items: center;
    padding: 18px 4px;
    font-size: clamp(1rem, 2vw, 1.18rem);
    font-weight: 800;
    cursor: pointer;
    list-style: none;
}

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

.faq-list summary span {
    position: relative;
    width: 26px;
    height: 26px;
    border: 1px solid var(--line);
    border-radius: 50%;
}

.faq-list summary span::before,
.faq-list summary span::after {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 1px;
    background: var(--text);
    transform: translate(-50%, -50%);
}

.faq-list summary span::after {
    transform: translate(-50%, -50%) rotate(90deg);
    transition: transform 160ms ease;
}

.faq-list details[open] summary span::after {
    transform: translate(-50%, -50%) rotate(0);
}

.faq-list details p {
    max-width: 760px;
    padding: 0 54px 26px 4px;
    color: var(--text-secondary);
}

/* Contact form */

.contact-section {
    padding-top: 40px;
}

.contact-panel {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(360px, 1.2fr);
    gap: clamp(36px, 7vw, 90px);
    padding: clamp(28px, 5vw, 68px);
    border-radius: var(--radius-xl);
    background: var(--surface-strong);
    color: var(--bg);
}

.contact-copy h2 {
    font-size: clamp(2.4rem, 5.4vw, 5.2rem);
    letter-spacing: -0.065em;
    line-height: 0.98;
}

.contact-copy > p:not(.eyebrow) {
    margin-top: 22px;
    color: color-mix(in srgb, var(--bg) 76%, transparent);
}

.contact-links {
    display: grid;
    gap: 10px;
    margin-top: 34px;
}

.contact-links a {
    display: grid;
    min-height: 72px;
    grid-template-columns: 46px 1fr auto;
    gap: 12px;
    align-items: center;
    padding: 12px;
    border: 1px solid color-mix(in srgb, var(--bg) 18%, transparent);
    border-radius: var(--radius-md);
    transition: background-color 160ms ease, border-color 160ms ease;
}

.contact-links a:hover {
    border-color: color-mix(in srgb, var(--bg) 34%, transparent);
    background: color-mix(in srgb, var(--bg) 7%, transparent);
}

.contact-icon {
    display: grid;
    width: 46px;
    height: 46px;
    place-items: center;
    border-radius: 13px;
    background: var(--accent);
    color: var(--accent-contrast);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.68rem;
    font-weight: 800;
}

.contact-links strong,
.contact-links small {
    display: block;
}

.contact-links small {
    color: color-mix(in srgb, var(--bg) 65%, transparent);
    font-size: 0.74rem;
}

.form-card {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    color: var(--text);
    box-shadow: var(--shadow-raised);
}

.form-head {
    display: grid;
    grid-template-columns: auto 1fr auto;
}

.lead-form {
    position: relative;
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
    padding: clamp(22px, 4vw, 38px);
}

.field {
    min-width: 0;
}

.field:has(textarea),
.human-field,
.checkbox-field,
.consent-error,
.form-submit,
.form-status {
    grid-column: 1 / -1;
}

.field label,
.field-hint,
.field-error {
    display: block;
}

.field label {
    margin-bottom: 8px;
    font-size: 0.82rem;
    font-weight: 800;
}

.field label span {
    color: var(--danger);
}

.field input,
.field textarea,
.field select {
    width: 100%;
    min-height: 50px;
    padding: 13px 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    outline: 0;
    background: var(--surface-soft);
    color: var(--text);
    transition: border-color 160ms ease, box-shadow 160ms ease, background-color 160ms ease;
}

.field textarea {
    min-height: 130px;
    resize: vertical;
}

.field input:hover,
.field textarea:hover,
.field select:hover {
    border-color: var(--line-strong);
}

.field input:focus,
.field textarea:focus,
.field select:focus {
    border-color: var(--accent);
    background: var(--surface);
    box-shadow: 0 0 0 4px var(--focus);
}

.field input[aria-invalid="true"],
.field textarea[aria-invalid="true"],
.field select[aria-invalid="true"] {
    border-color: var(--danger);
    background: var(--danger-soft);
}

.field-hint,
.field-error {
    margin-top: 6px;
    font-size: 0.7rem;
    line-height: 1.45;
}

.field-hint {
    color: var(--text-muted);
}

.field-error {
    min-height: 1em;
    color: var(--danger);
}

.checkbox-field {
    display: grid;
    grid-template-columns: 24px 1fr;
    gap: 10px;
    align-items: start;
    cursor: pointer;
}

.checkbox-field input {
    width: 22px;
    height: 22px;
    margin: 2px 0 0;
    accent-color: var(--accent);
}

.checkbox-field span {
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.checkbox-field a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    color: var(--accent);
    text-decoration: underline;
    text-underline-offset: 3px;
}

.consent-error {
    margin-top: -14px;
}

.form-submit {
    width: 100%;
}

.form-status {
    padding: 13px 15px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-muted);
    color: var(--text-secondary);
    font-size: 0.8rem;
}

.form-status.is-success {
    border-color: color-mix(in srgb, var(--success) 34%, var(--line));
    background: var(--success-soft);
    color: var(--success);
}

.form-status.is-error {
    border-color: color-mix(in srgb, var(--danger) 38%, var(--line));
    background: var(--danger-soft);
    color: var(--danger);
}

.is-hidden,
.honeypot {
    display: none !important;
}

/* Footer */

.site-footer {
    margin-top: clamp(72px, 9vw, 120px);
    padding: 58px 0 24px;
    border-top: 1px solid var(--line);
    background: var(--surface-soft);
}

.footer-grid {
    display: grid;
    grid-template-columns: minmax(260px, 1.4fr) repeat(3, minmax(130px, 0.6fr));
    gap: 36px;
}

.footer-brand > p {
    max-width: 380px;
    margin-top: 18px;
    color: var(--text-secondary);
    font-size: 0.86rem;
}

.footer-nav,
.footer-meta {
    display: grid;
    align-content: start;
    gap: 9px;
}

.footer-nav strong,
.footer-meta strong {
    margin-bottom: 5px;
    font-size: 0.78rem;
}

.footer-nav a,
.footer-meta a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.footer-nav a:hover,
.footer-meta a:hover {
    color: var(--accent);
}

.footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 20px;
    margin-top: 50px;
    padding-top: 20px;
    border-top: 1px solid var(--line);
    color: var(--text-muted);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.65rem;
}

/* Shared page hero */

.page-hero {
    padding: clamp(56px, 8vw, 96px) 0 clamp(64px, 9vw, 112px);
    border-bottom: 1px solid var(--line);
}

.page-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 48px;
    align-items: end;
}

.page-hero h1 {
    max-width: 950px;
    font-size: clamp(3rem, 7vw, 6.6rem);
    font-weight: 800;
    letter-spacing: -0.075em;
    line-height: 0.96;
}

.page-hero p:not(.eyebrow) {
    max-width: 760px;
    margin-top: 24px;
    color: var(--text-secondary);
    font-size: clamp(1rem, 1.8vw, 1.2rem);
}

.page-hero .back-link {
    margin-bottom: 28px;
}

/* Catalog */

.catalog-stats {
    display: grid;
    min-width: 250px;
    gap: 1px;
    overflow: hidden;
    padding: 1px;
    border-radius: var(--radius-lg);
    background: var(--line);
}

.catalog-stats > div {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    align-items: center;
    padding: 17px 18px;
    background: var(--surface);
}

.catalog-stats dt {
    color: var(--text-muted);
    font-size: 0.72rem;
}

.catalog-stats dd {
    color: var(--accent);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 1.25rem;
    font-weight: 800;
}

.catalog-section {
    padding: 32px 0 110px;
}

.catalog-toolbar {
    position: sticky;
    top: calc(var(--header-height) + 12px);
    z-index: 20;
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 20px;
    align-items: end;
    margin-bottom: 28px;
    padding: 16px;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: color-mix(in srgb, var(--surface) 90%, transparent);
    box-shadow: var(--shadow-raised);
    backdrop-filter: blur(16px);
}

.search-field {
    display: grid;
    gap: 7px;
}

.search-field > label,
.mobile-catalog-pickers label > span {
    color: var(--text-muted);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.68rem;
    font-weight: 700;
}

.search-input {
    display: grid;
    grid-template-columns: auto 1fr auto;
    gap: 8px;
    align-items: center;
    min-height: 50px;
    padding: 0 8px 0 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    background: var(--surface-soft);
}

.search-input:focus-within {
    border-color: var(--accent);
    box-shadow: 0 0 0 4px var(--focus);
}

.search-input input {
    min-width: 0;
    height: 46px;
    padding: 0;
    border: 0;
    outline: 0;
    background: transparent;
    color: var(--text);
}

.search-input button {
    width: 44px;
    height: 44px;
    padding: 0;
    border: 0;
    background: transparent;
    color: var(--text-muted);
    font-size: 1.35rem;
    cursor: pointer;
}

.quick-filters {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.filter-pill {
    min-height: 46px;
    padding: 0 15px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--text-secondary);
    font-size: 0.76rem;
    font-weight: 800;
    cursor: pointer;
}

.filter-pill:hover,
.filter-pill.is-active {
    border-color: var(--accent);
    background: var(--accent-soft);
    color: var(--accent);
}

.mobile-catalog-pickers {
    display: none;
}

.catalog-layout {
    display: grid;
    grid-template-columns: minmax(270px, 320px) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
}

.catalog-sidebar {
    position: sticky;
    top: calc(var(--header-height) + 132px);
    display: grid;
    gap: 14px;
}

.filter-panel {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
}

.filter-panel-head {
    display: flex;
    min-height: 58px;
    align-items: center;
    gap: 10px;
    padding: 0 16px;
    border-bottom: 1px solid var(--line);
    background: var(--surface-muted);
}

.filter-panel-head span {
    color: var(--accent);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.68rem;
}

.filter-panel-head h2 {
    font-size: 0.9rem;
}

.group-filters,
.category-filters {
    display: grid;
    max-height: min(47vh, 520px);
    gap: 4px;
    overflow: auto;
    padding: 8px;
}

.group-filters button,
.category-filters button {
    display: grid;
    width: 100%;
    min-height: 48px;
    grid-template-columns: 34px minmax(0, 1fr) auto;
    gap: 8px;
    align-items: center;
    padding: 6px 8px;
    border: 0;
    border-radius: 12px;
    background: transparent;
    color: var(--text-secondary);
    text-align: left;
    cursor: pointer;
}

.group-filters button:hover,
.group-filters button.is-active,
.category-filters button:hover,
.category-filters button.is-active {
    background: var(--accent-soft);
    color: var(--accent);
}

.group-filters button > span {
    display: grid;
    width: 34px;
    height: 34px;
    place-items: center;
    border: 1px solid var(--line);
    border-radius: 10px;
    background: var(--surface);
    font-family: "JetBrains Mono", Consolas, monospace;
}

.group-filters b,
.category-filters b {
    min-width: 0;
    font-size: 0.74rem;
}

.group-filters small,
.category-filters small {
    display: grid;
    min-width: 27px;
    height: 27px;
    place-items: center;
    border-radius: 999px;
    background: var(--surface-muted);
    color: var(--text-muted);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.6rem;
}

.category-filters button {
    grid-template-columns: minmax(0, 1fr) auto;
}

.category-filters small.has-projects {
    background: var(--success-soft);
    color: var(--success);
}

.catalog-content {
    min-width: 0;
}

.catalog-result-head {
    display: flex;
    min-height: 90px;
    justify-content: space-between;
    gap: 20px;
    align-items: end;
    margin-bottom: 20px;
}

.catalog-result-head .eyebrow {
    margin-bottom: 8px;
}

.catalog-result-head h2 {
    font-size: clamp(2rem, 4vw, 3.4rem);
    letter-spacing: -0.055em;
    line-height: 1.02;
}

.catalog-status {
    flex: 0 0 auto;
    padding: 9px 12px;
    border: 1px solid var(--line);
    border-radius: 999px;
    background: var(--surface);
    color: var(--text-muted);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.68rem;
}

.catalog-projects {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.catalog-project {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
    transition: border-color 180ms ease, transform 180ms var(--ease);
}

.catalog-project:hover {
    border-color: var(--line-strong);
    transform: translateY(-3px);
}

.catalog-project[hidden] {
    display: none;
}

.catalog-project figure {
    position: relative;
    height: 230px;
    overflow: hidden;
    border-bottom: 1px solid var(--line);
    background: var(--surface-muted);
}

.catalog-project figure img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: top;
}

.catalog-project figcaption {
    position: absolute;
    top: 14px;
    left: 14px;
    padding: 7px 10px;
    border: 1px solid color-mix(in srgb, var(--line) 75%, transparent);
    border-radius: 999px;
    background: color-mix(in srgb, var(--surface) 88%, transparent);
    color: var(--text);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.62rem;
    font-weight: 700;
    backdrop-filter: blur(10px);
}

.catalog-project-copy {
    display: grid;
    min-height: 350px;
    grid-template-rows: 1fr auto auto;
    gap: 20px;
    padding: 24px;
}

.project-number {
    display: block;
    margin-bottom: 16px;
    color: var(--accent);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.68rem;
}

.catalog-project h3 {
    font-size: 1.34rem;
    letter-spacing: -0.04em;
    line-height: 1.18;
}

.catalog-project-copy > div > p {
    margin-top: 12px;
    color: var(--text-secondary);
    font-size: 0.84rem;
}

.catalog-empty {
    display: grid;
    min-height: 430px;
    place-items: center;
    align-content: center;
    gap: 14px;
    padding: 34px;
    border: 1px dashed var(--line-strong);
    border-radius: var(--radius-lg);
    background: var(--surface);
    text-align: center;
}

.catalog-empty > span {
    color: var(--accent);
    font-size: 2.8rem;
}

.catalog-empty h3 {
    max-width: 620px;
    font-size: clamp(1.7rem, 4vw, 2.8rem);
    letter-spacing: -0.05em;
    line-height: 1.05;
}

.catalog-empty p {
    max-width: 580px;
    color: var(--text-secondary);
}

.catalog-empty > div {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 10px;
    margin-top: 10px;
}

/* Case detail */

.case-breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 40px;
    color: var(--text-muted);
    font-size: 0.75rem;
}

.case-breadcrumbs a:hover {
    color: var(--accent);
}

.case-breadcrumbs a {
    display: inline-flex;
    min-height: 44px;
    align-items: center;
}

.case-hero-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(360px, 0.86fr);
    gap: clamp(40px, 7vw, 90px);
    align-items: center;
}

.case-hero-copy > p:not(.eyebrow) {
    max-width: 720px;
    margin-top: 24px;
    color: var(--text-secondary);
    font-size: clamp(1rem, 1.8vw, 1.2rem);
}

.case-hero-copy {
    min-width: 0;
}

.case-facts {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    overflow: hidden;
    margin-top: 44px;
    padding: 1px;
    border-radius: var(--radius-md);
    background: var(--line);
}

.case-facts > div {
    min-width: 0;
    padding: 15px;
    background: var(--surface);
}

.case-facts dt {
    color: var(--text-muted);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.6rem;
    text-transform: uppercase;
}

.case-facts dd {
    margin-top: 5px;
    font-size: 0.75rem;
    font-weight: 800;
}

.case-cover {
    min-width: 0;
    overflow: hidden;
    padding: 14px;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-raised);
    transform: rotate(1deg);
}

.case-cover .browser-dots {
    height: 28px;
    align-items: center;
    padding-left: 4px;
}

.case-cover img {
    width: 100%;
    max-height: 620px;
    border-radius: var(--radius-md);
    background: var(--surface-muted);
    object-fit: cover;
    object-position: top;
}

.case-cover.is-mobile {
    width: min(340px, 100%);
    justify-self: center;
    padding: 10px;
    border-radius: 34px;
    transform: rotate(2deg);
}

.case-cover.is-mobile img {
    max-height: 620px;
    border-radius: 26px;
    object-fit: contain;
}

.case-story-section {
    background: var(--surface-soft);
}

.case-story-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
}

.story-card {
    min-width: 0;
    min-height: 430px;
    padding: clamp(26px, 4vw, 44px);
    border: 1px solid var(--line);
    border-radius: var(--radius-lg);
    background: var(--surface);
}

.story-card > span {
    color: var(--accent);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.72rem;
}

.story-card h3 {
    margin-top: 60px;
    font-size: clamp(1.8rem, 3.8vw, 3.4rem);
    letter-spacing: -0.055em;
}

.story-card ul {
    display: grid;
    gap: 13px;
    margin-top: 28px;
    padding-left: 20px;
    color: var(--text-secondary);
}

.story-card li::marker {
    color: var(--accent);
}

.story-card > p {
    margin-top: 24px;
    color: var(--text-secondary);
}

.story-card-accent {
    border-color: var(--accent);
}

.case-review {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: clamp(24px, 5vw, 62px);
    padding: clamp(28px, 5vw, 62px);
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--surface);
}

.case-review h2 {
    font-size: clamp(2rem, 4vw, 3.8rem);
    letter-spacing: -0.055em;
}

.case-review blockquote {
    max-width: 900px;
    margin: 24px 0;
    color: var(--text-secondary);
    font-size: clamp(1.1rem, 2vw, 1.4rem);
    line-height: 1.65;
}

.case-gallery {
    display: grid;
    gap: 22px;
}

.case-gallery figure {
    min-width: 0;
    overflow: hidden;
    border: 1px solid var(--line);
    background: var(--surface);
    box-shadow: var(--shadow-raised);
}

.gallery-desktop figure {
    padding: 14px;
    border-radius: var(--radius-xl);
}

.gallery-desktop figure .browser-dots {
    height: 30px;
    align-items: center;
}

.gallery-desktop img {
    width: 100%;
    max-height: 860px;
    border-radius: var(--radius-md);
    object-fit: contain;
    object-position: top;
}

.gallery-mobile {
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    align-items: start;
}

.gallery-mobile figure {
    width: min(100%, 320px);
    justify-self: center;
    padding: 10px;
    border-radius: 34px;
}

.gallery-mobile img {
    width: 100%;
    border-radius: 26px;
}

.case-next {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 34px;
    align-items: end;
    padding: clamp(30px, 5vw, 64px);
    border-radius: var(--radius-xl);
    background: var(--surface-strong);
    color: var(--bg);
}

.case-next h2 {
    font-size: clamp(2.3rem, 5vw, 4.7rem);
    letter-spacing: -0.06em;
    line-height: 1;
}

.case-next p:not(.eyebrow) {
    max-width: 700px;
    margin-top: 18px;
    color: color-mix(in srgb, var(--bg) 74%, transparent);
}

.case-next-actions {
    margin: 0;
}

/* Legal and 404 */

.legal-shell {
    max-width: 920px;
}

.legal-warning {
    margin-top: 34px;
    padding: 20px;
    border: 1px solid color-mix(in srgb, var(--danger) 40%, var(--line));
    border-radius: var(--radius-md);
    background: var(--danger-soft);
    color: var(--danger);
}

.legal-warning p {
    margin-top: 6px !important;
    color: inherit !important;
    font-size: 0.85rem !important;
}

.legal-content {
    padding: 62px 0 100px;
}

.legal-layout {
    display: grid;
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(40px, 8vw, 100px);
    align-items: start;
}

.legal-index {
    position: sticky;
    top: calc(var(--header-height) + 28px);
    display: grid;
    gap: 9px;
}

.legal-index strong {
    margin-bottom: 8px;
}

.legal-index a {
    min-height: 36px;
    color: var(--text-secondary);
    font-size: 0.78rem;
}

.legal-index a:hover {
    color: var(--accent);
}

.legal-document {
    display: grid;
}

.legal-document > section {
    padding: 38px 0;
    border-top: 1px solid var(--line);
}

.legal-document > section:last-child {
    border-bottom: 1px solid var(--line);
}

.legal-document section > span {
    display: block;
    margin-bottom: 14px;
    color: var(--accent);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.7rem;
}

.legal-document h2 {
    font-size: clamp(1.65rem, 3vw, 2.5rem);
    letter-spacing: -0.045em;
}

.legal-document p {
    margin-top: 16px;
    color: var(--text-secondary);
}

.operator-details {
    display: grid;
    gap: 1px;
    overflow: hidden;
    margin-top: 22px;
    padding: 1px;
    border-radius: var(--radius-md);
    background: var(--line);
}

.operator-details > div {
    display: grid;
    grid-template-columns: minmax(160px, 0.5fr) minmax(0, 1fr);
    gap: 18px;
    padding: 14px 16px;
    background: var(--surface);
}

.operator-details dt {
    color: var(--text-muted);
    font-size: 0.72rem;
}

.operator-details dd {
    font-size: 0.78rem;
    font-weight: 700;
}

.not-found {
    display: grid;
    min-height: calc(100svh - var(--header-height));
    align-items: center;
    padding: 70px 0;
}

.not-found-grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(320px, 0.8fr);
    gap: 60px;
    align-items: center;
}

.not-found h1 {
    font-size: clamp(3.4rem, 8vw, 7rem);
    letter-spacing: -0.075em;
    line-height: 0.94;
}

.not-found p:not(.eyebrow) {
    max-width: 620px;
    margin-top: 24px;
    color: var(--text-secondary);
}

.not-found-terminal {
    overflow: hidden;
    border: 1px solid var(--line);
    border-radius: var(--radius-xl);
    background: var(--surface);
    box-shadow: var(--shadow-raised);
    transform: rotate(2deg);
}

.not-found-terminal code {
    display: block;
    padding: 34px;
    color: var(--text-secondary);
    font-family: "JetBrains Mono", Consolas, monospace;
    font-size: 0.78rem;
    line-height: 2.1;
}

.not-found-terminal code i {
    color: var(--accent);
    font-style: normal;
}

.not-found-terminal code strong {
    color: var(--danger);
}

.not-found-terminal code span {
    color: var(--success);
}

/* Responsive */

@media (max-width: 1080px) {
    .header-inner {
        grid-template-columns: auto 1fr auto;
    }

    .site-nav {
        gap: 0;
    }

    .site-nav a {
        padding-inline: 9px;
    }

    .brand-name {
        display: none;
    }

    .hero-grid,
    .case-hero-grid {
        grid-template-columns: minmax(0, 1.15fr) minmax(320px, 0.85fr);
        gap: 44px;
    }

    .hero-copy h1 {
        font-size: clamp(3.1rem, 7vw, 5.3rem);
    }

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

    .catalog-toolbar {
        position: relative;
        top: auto;
        grid-template-columns: 1fr;
    }

    .catalog-sidebar {
        top: calc(var(--header-height) + 18px);
    }

    .footer-grid {
        grid-template-columns: 1.3fr repeat(3, 0.7fr);
    }
}

@media (max-width: 860px) {
    .header-inner {
        grid-template-columns: auto 1fr auto;
    }

    .menu-button {
        display: grid;
        justify-self: end;
    }

    .site-nav {
        position: absolute;
        top: calc(100% + 1px);
        right: 20px;
        left: 20px;
        display: none;
        padding: 8px;
        border: 1px solid var(--line);
        border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        background: var(--surface);
        box-shadow: var(--shadow-raised);
    }

    .site-nav.is-open {
        display: grid;
    }

    .site-nav a {
        padding-inline: 14px;
    }

    .header-cta {
        display: none;
    }

    .hero {
        min-height: auto;
    }

    .hero-grid,
    .stack-panel,
    .case-row,
    .faq-grid,
    .contact-panel,
    .case-hero-grid,
    .case-next,
    .page-hero-grid,
    .not-found-grid {
        grid-template-columns: 1fr;
    }

    .hero-console {
        width: min(620px, 100%);
        transform: none;
    }

    .service-card,
    .service-card-wide {
        grid-column: span 6;
    }

    .stack-list {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .case-row:nth-child(even) .case-row-copy {
        order: 0;
    }

    .case-row:nth-child(even) .case-row-preview {
        order: 1;
    }

    .faq-heading,
    .legal-index {
        position: relative;
        top: auto;
    }

    .contact-panel {
        color: var(--bg);
    }

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

    .catalog-layout {
        grid-template-columns: 1fr;
    }

    .catalog-sidebar {
        display: none;
    }

    .mobile-catalog-pickers {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 12px;
        margin-bottom: 24px;
    }

    .mobile-catalog-pickers label {
        display: grid;
        gap: 7px;
    }

    .mobile-catalog-pickers select {
        width: 100%;
        min-height: 50px;
        padding: 0 13px;
        border: 1px solid var(--line);
        border-radius: var(--radius-sm);
        background: var(--surface);
        color: var(--text);
    }

    .catalog-stats {
        width: min(420px, 100%);
        min-width: 0;
    }

    .case-cover {
        width: min(680px, 100%);
        justify-self: start;
        transform: none;
    }

    .legal-layout {
        grid-template-columns: 1fr;
    }

    .legal-index {
        display: flex;
        flex-wrap: wrap;
        gap: 6px 16px;
    }

    .legal-index strong {
        width: 100%;
    }

    .legal-index a {
        display: inline-flex;
        align-items: center;
    }
}

@media (max-width: 680px) {
    :root {
        --header-height: 68px;
    }

    .shell {
        width: min(var(--shell), calc(100% - 32px));
    }

    .section {
        padding: 72px 0;
    }

    .split-heading {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .section-heading {
        margin-bottom: 32px;
    }

    .hero {
        padding-top: 58px;
    }

    .hero-copy h1 {
        font-size: clamp(2.85rem, 14vw, 4.8rem);
    }

    .hero-actions,
    .case-actions {
        display: grid;
        grid-template-columns: 1fr;
    }

    .hero-proof {
        grid-template-columns: 1fr;
        gap: 12px;
        margin-top: 38px;
    }

    .hero-proof li {
        display: grid;
        grid-template-columns: minmax(110px, auto) 1fr;
        gap: 12px;
        align-items: baseline;
    }

    .hero-console {
        border-radius: var(--radius-lg);
    }

    .console-body {
        overflow-x: auto;
        padding: 20px;
    }

    .console-result {
        grid-template-columns: auto 1fr;
    }

    .console-result b {
        grid-column: 2;
    }

    .service-card,
    .service-card-wide {
        grid-column: 1 / -1;
        min-height: 290px;
    }

    .service-card h3 {
        max-width: 88%;
    }

    .integration-line {
        flex-wrap: wrap;
    }

    .integration-line i {
        min-width: 10px;
    }

    .stack-panel {
        width: calc(100% - 32px);
        padding: 24px;
    }

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

    .case-row {
        gap: 30px;
        padding-block: 58px;
    }

    .case-row h3 {
        font-size: clamp(2rem, 11vw, 3.4rem);
    }

    .case-tags {
        display: grid;
    }

    .case-tags li {
        border-radius: 10px;
    }

    .demo-compact-bar {
        grid-template-columns: minmax(0, 1fr) auto auto;
    }

    .demo-stage {
        min-height: 330px;
        padding: 10px;
    }

    .demo-preview,
    .demo-preview > img {
        min-height: 310px;
    }

    .demo-stage iframe {
        height: 68vh;
        min-height: 480px;
    }

    .reviews-grid,
    .process-list,
    .lead-form,
    .footer-grid,
    .catalog-projects,
    .case-story-grid {
        grid-template-columns: 1fr;
    }

    .review-card {
        min-height: 0;
    }

    .process-list li {
        min-height: 250px;
    }

    .process-list h3 {
        margin-top: 32px;
    }

    .faq-list summary {
        min-height: 70px;
    }

    .faq-list details p {
        padding-right: 0;
    }

    .contact-section {
        padding: 20px 0 50px;
    }

    .contact-panel {
        width: 100%;
        border-radius: 0;
        padding-inline: 16px;
    }

    .form-card {
        border-radius: var(--radius-md);
    }

    .lead-form {
        padding: 20px;
    }

    .field,
    .human-field,
    .checkbox-field,
    .consent-error,
    .form-submit,
    .form-status {
        grid-column: 1;
    }

    .footer-bottom {
        display: grid;
    }

    .page-hero {
        padding-top: 46px;
    }

    .page-hero h1 {
        font-size: clamp(2.5rem, 11.5vw, 4.2rem);
    }

    .catalog-section {
        padding-top: 18px;
    }

    .catalog-toolbar {
        margin-inline: -4px;
        padding: 12px;
        border-radius: var(--radius-md);
    }

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

    .filter-pill {
        border-radius: 12px;
    }

    .mobile-catalog-pickers {
        grid-template-columns: 1fr;
    }

    .catalog-result-head {
        display: grid;
        align-items: start;
    }

    .catalog-status {
        width: fit-content;
    }

    .catalog-project figure {
        height: 200px;
    }

    .catalog-project-copy {
        min-height: 0;
    }

    .case-breadcrumbs {
        margin-bottom: 30px;
    }

    .case-facts {
        grid-template-columns: 1fr;
    }

    .demo-browser-toolbar {
        grid-template-columns: auto minmax(0, 1fr) auto;
        padding-inline: 10px;
    }

    .demo-controls button {
        width: 44px;
    }

    .case-story-grid {
        gap: 12px;
    }

    .story-card {
        min-height: 0;
    }

    .story-card h3 {
        margin-top: 36px;
    }

    .case-review {
        grid-template-columns: 1fr;
    }

    .case-review .review-mark {
        font-size: 4rem;
    }

    .gallery-mobile {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 10px;
    }

    .gallery-mobile figure {
        padding: 6px;
        border-radius: 24px;
    }

    .gallery-mobile img {
        border-radius: 19px;
    }

    .case-next-actions {
        display: grid;
        width: 100%;
        grid-template-columns: 1fr;
    }

    .legal-layout {
        gap: 30px;
    }

    .operator-details > div {
        grid-template-columns: 1fr;
        gap: 5px;
    }

    .not-found-terminal {
        transform: none;
    }
}

@media (max-width: 390px) {
    .shell {
        width: calc(100% - 28px);
    }

    .brand-mark {
        width: 40px;
        height: 40px;
    }

    .hero-copy h1,
    .page-hero h1,
    .not-found h1 {
        letter-spacing: -0.065em;
    }

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

    .stack-panel {
        width: calc(100% - 28px);
        padding: 20px;
    }

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

    .stack-list li {
        min-height: 62px;
    }

    .demo-compact-bar .demo-address {
        max-width: 120px;
    }

    .demo-preview-copy {
        padding: 18px 14px;
    }

    .form-head b {
        display: none;
    }

    .form-head {
        grid-template-columns: auto 1fr;
    }

    .contact-links a {
        grid-template-columns: 42px minmax(0, 1fr) auto;
    }

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

    .quick-filters {
        gap: 6px;
    }

    .gallery-mobile {
        grid-template-columns: 1fr;
    }

    .gallery-mobile figure {
        width: min(280px, 100%);
    }
}

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

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

    .hero-console,
    .case-cover,
    .not-found-terminal {
        transform: none;
    }
}