@font-face {
    font-family: "Onest";
    font-style: normal;
    font-weight: 300 700;
    font-display: swap;
    src: url("/assets/fonts/onest-latin-300-700.woff2") format("woff2");
}

:root {
    color-scheme: dark;
    --ink: #f5f5f7;
    --ink-soft: #b4b4bc;
    --ink-quiet: #85858f;
    --canvas: #0a0a0f;
    --canvas-soft: #0e0e14;
    --canvas-elevated: #101118;
    --surface: #131319;
    --surface-raised: #191920;
    --surface-cool: #16171e;
    --silver: #e0e0ec;
    --silver-soft: #c9cad2;
    --pearl: #dedfe4;
    --pearl-wash: rgba(239, 240, 242, 0.045);
    --smoke: #1c1d23;
    --line: rgba(224, 224, 236, 0.14);
    --line-strong: rgba(224, 224, 236, 0.25);
    --page-gutter: clamp(1rem, 3vw, 3rem);
    --section-space: clamp(6rem, 11vw, 11rem);
    --header-height: 4.5rem;
    --radius-sm: 0.5rem;
    --radius-md: 0.875rem;
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --ease-in-out: cubic-bezier(0.65, 0, 0.35, 1);
    --z-header: 40;
    --z-menu: 50;
    --z-cursor: 60;
}

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

html {
    scroll-padding-top: calc(var(--header-height) + 1.5rem);
    overflow-x: clip;
    background: var(--canvas);
}

body {
    margin: 0;
    min-width: 20rem;
    overflow-x: clip;
    background: var(--canvas);
    color: var(--ink);
    font-family: "Onest", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
    font-size: 1rem;
    line-height: 1.55;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.menu-open {
    overflow: hidden;
}

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

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

button {
    font: inherit;
}

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

p,
h1,
h2,
h3,
h4 {
    margin: 0;
}

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

p {
    text-wrap: pretty;
}

.hero-title-line {
    display: block;
    white-space: nowrap;
}

html[lang="ru"] .hero h1 {
    max-width: none;
    font-size: clamp(3.25rem, 5.35vw, 5.35rem);
    text-wrap: wrap;
}

@media (max-width: 47.99rem) {
    html[lang="ru"] .hero h1 {
        font-size: clamp(2.75rem, 11.7vw, 3.7rem);
    }
}

::selection {
    background: var(--silver);
    color: var(--canvas);
}

:focus-visible {
    outline: 2px solid var(--silver);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    z-index: 100;
    top: 0.75rem;
    left: 0.75rem;
    padding: 0.75rem 1rem;
    transform: translateY(-160%);
    background: var(--ink);
    color: var(--canvas);
    transition: transform 180ms var(--ease-out);
}

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

.shell {
    width: min(100%, 110rem);
    margin-inline: auto;
    padding-inline: var(--page-gutter);
}

.anchor-sentinel {
    position: absolute;
    width: 1px;
    height: 1px;
    pointer-events: none;
}

.site-header {
    position: fixed;
    z-index: var(--z-header);
    top: 0;
    right: 0;
    left: 0;
    height: var(--header-height);
    border-bottom: 1px solid transparent;
    background: linear-gradient(to bottom, rgba(10, 10, 15, 0.7), rgba(10, 10, 15, 0));
    transition: background 320ms var(--ease-out), border-color 320ms var(--ease-out), backdrop-filter 320ms var(--ease-out);
}

.site-header.is-scrolled,
.site-header.menu-active {
    border-color: var(--line);
    background: rgba(10, 10, 15, 0.78);
    backdrop-filter: blur(1.25rem) saturate(135%);
}

.header-inner {
    display: flex;
    width: min(100%, 110rem);
    height: 100%;
    margin-inline: auto;
    padding-inline: var(--page-gutter);
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.brand {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    font-size: 1rem;
    font-weight: 600;
    letter-spacing: 0.24em;
    white-space: nowrap;
}

.desktop-nav {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2.2vw, 2.25rem);
}

.nav-link,
.locale-trigger {
    position: relative;
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    border: 0;
    background: none;
    color: var(--ink-soft);
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 180ms var(--ease-out);
}

.nav-link::after {
    position: absolute;
    right: 0;
    bottom: 0.45rem;
    left: 0;
    height: 1px;
    content: "";
    transform: scaleX(0);
    transform-origin: right;
    background: var(--silver);
    transition: transform 260ms var(--ease-out);
}

.nav-link:hover,
.locale-trigger:hover,
.nav-link:focus-visible,
.locale-trigger:focus-visible {
    color: var(--ink);
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.625rem;
}

.locale-wrap {
    position: relative;
}

.locale-trigger {
    min-width: 2.75rem;
    justify-content: center;
}

.locale-menu {
    position: absolute;
    top: calc(100% + 0.75rem);
    right: 0;
    display: grid;
    width: 12rem;
    padding: 0.5rem;
    transform: translateY(-0.4rem) scale(0.98);
    transform-origin: top right;
    border: 1px solid var(--line);
    border-radius: var(--radius-sm);
    visibility: hidden;
    background: rgba(19, 19, 25, 0.96);
    box-shadow: 0 0.5rem 0.5rem rgba(0, 0, 0, 0.22);
    opacity: 0;
    backdrop-filter: blur(1rem);
    transition: opacity 160ms var(--ease-out), transform 220ms var(--ease-out), visibility 220ms;
}

.locale-menu.is-open {
    transform: translateY(0) scale(1);
    visibility: visible;
    opacity: 1;
}

.locale-menu a {
    display: flex;
    min-height: 2.75rem;
    padding-inline: 0.75rem;
    align-items: center;
    justify-content: space-between;
    border-radius: 0.25rem;
    color: var(--ink-soft);
    font-size: 0.82rem;
    transition: color 160ms var(--ease-out), background 160ms var(--ease-out);
}

.locale-menu a:hover,
.locale-menu a:focus-visible {
    background: rgba(224, 224, 236, 0.08);
    color: var(--ink);
}

.button {
    display: inline-flex;
    min-height: 2.875rem;
    padding: 0.75rem 1.2rem;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    border: 1px solid var(--line-strong);
    border-radius: 0.25rem;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: background 180ms var(--ease-out), color 180ms var(--ease-out), transform 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.button:hover,
.button:focus-visible {
    border-color: var(--silver);
    background: var(--silver);
    color: var(--canvas);
}

.button:active {
    transform: scale(0.975);
}

.button--quiet {
    border-color: transparent;
    color: var(--ink-soft);
}

.button--quiet:hover,
.button--quiet:focus-visible {
    border-color: transparent;
    background: transparent;
    color: var(--ink);
}

.button-arrow {
    display: inline-block;
    transition: transform 220ms var(--ease-out);
}

.button:hover .button-arrow,
.button:focus-visible .button-arrow {
    transform: translateX(0.25rem);
}

.menu-trigger {
    display: none;
    width: 2.875rem;
    height: 2.875rem;
    padding: 0;
    place-items: center;
    border: 0;
    background: transparent;
    color: var(--ink);
    cursor: pointer;
}

.menu-trigger-lines,
.menu-trigger-lines::before,
.menu-trigger-lines::after {
    width: 1.25rem;
    height: 1px;
    background: currentColor;
    transition: transform 260ms var(--ease-out), opacity 160ms ease;
}

.menu-trigger-lines {
    position: relative;
}

.menu-trigger-lines::before,
.menu-trigger-lines::after {
    position: absolute;
    left: 0;
    content: "";
}

.menu-trigger-lines::before {
    transform: translateY(-0.38rem);
}

.menu-trigger-lines::after {
    transform: translateY(0.38rem);
}

.menu-trigger[aria-expanded="true"] .menu-trigger-lines {
    background: transparent;
}

.menu-trigger[aria-expanded="true"] .menu-trigger-lines::before {
    transform: rotate(45deg);
}

.menu-trigger[aria-expanded="true"] .menu-trigger-lines::after {
    transform: rotate(-45deg);
}

.mobile-menu {
    position: fixed;
    z-index: var(--z-menu);
    inset: var(--header-height) 0 0;
    display: grid;
    padding: 2rem var(--page-gutter) 2.5rem;
    transform: translateY(-1rem);
    visibility: hidden;
    background: var(--canvas);
    opacity: 0;
    overflow-y: auto;
    transition: opacity 220ms var(--ease-out), transform 320ms var(--ease-out), visibility 320ms;
}

.mobile-menu.is-open {
    transform: translateY(0);
    visibility: visible;
    opacity: 1;
}

.mobile-menu-primary {
    display: grid;
    align-content: start;
}

.mobile-menu-primary a {
    display: flex;
    min-height: 4.25rem;
    align-items: center;
    justify-content: space-between;
    border-bottom: 1px solid var(--line);
    font-size: clamp(1.4rem, 6vw, 2.4rem);
    font-weight: 400;
    letter-spacing: -0.025em;
}

.mobile-menu-secondary {
    display: flex;
    margin-top: 2rem;
    align-items: end;
    justify-content: space-between;
    gap: 1rem;
}

.mobile-locales {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem 1rem;
}

.mobile-locales a {
    display: inline-flex;
    min-width: 2.75rem;
    min-height: 2.75rem;
    align-items: center;
    justify-content: center;
    color: var(--ink-soft);
    font-size: 0.8rem;
}

.hero {
    position: relative;
    min-height: 118svh;
    background: var(--canvas);
}

.hero-sticky {
    position: sticky;
    top: 0;
    display: flex;
    height: 100svh;
    min-height: 43rem;
    padding-top: var(--header-height);
    align-items: stretch;
    overflow: clip;
}

.hero-grid {
    position: relative;
    display: grid;
    width: min(100%, 110rem);
    margin-inline: auto;
    padding: clamp(1rem, 2vw, 2rem) var(--page-gutter) clamp(1rem, 2vw, 2rem);
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-template-rows: minmax(0, 1fr) auto;
    gap: 0 clamp(0.75rem, 1.5vw, 1.5rem);
}

.hero-copy {
    z-index: 4;
    grid-column: 1 / span 5;
    grid-row: 1;
    align-self: center;
    padding-block: 3rem 6rem;
}

.hero-kicker {
    margin-bottom: 1.35rem;
    color: var(--ink-soft);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

.hero h1 {
    max-width: 8.6ch;
    font-size: clamp(3.5rem, 6.2vw, 6rem);
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 0.96;
}

.hero-lede {
    max-width: 34rem;
    margin-top: 1.65rem;
    color: var(--ink-soft);
    font-size: clamp(1rem, 1.2vw, 1.18rem);
    line-height: 1.65;
}

.hero-actions {
    display: flex;
    margin-top: 2rem;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.hero-note {
    display: flex;
    margin-top: 2.5rem;
    align-items: center;
    gap: 0.75rem;
    color: var(--ink-quiet);
    font-size: 0.78rem;
}

.hero-note::before {
    width: 2.5rem;
    height: 1px;
    content: "";
    background: var(--line-strong);
}

.hero-cinema {
    position: relative;
    z-index: 1;
    grid-column: 5 / span 7;
    grid-row: 1;
    min-width: 0;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background: #111116;
    isolation: isolate;
}

.hero-cinema::before {
    position: absolute;
    z-index: 2;
    inset: 0;
    content: "";
    background:
        linear-gradient(90deg, var(--canvas) 0%, rgba(10, 10, 15, 0.76) 12%, transparent 38%),
        linear-gradient(0deg, rgba(10, 10, 15, 0.78) 0%, transparent 32%, rgba(10, 10, 15, 0.16) 100%);
    pointer-events: none;
}

.hero-cinema picture,
.hero-cinema video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 38%;
}

.hero-cinema picture img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 38%;
    transform: translate3d(-2%, 1.5%, 0) scale(1.08);
}

.hero-cinema video {
    z-index: 1;
    opacity: 0;
    transition: opacity 700ms var(--ease-out);
}

.hero-cinema.media-ready video {
    opacity: 1;
}

.hero-cinema-label {
    position: absolute;
    z-index: 4;
    right: 1.25rem;
    bottom: 1.25rem;
    color: rgba(245, 245, 247, 0.74);
    font-size: 0.68rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.device-wrap {
    position: relative;
    z-index: 5;
    grid-column: 9 / span 3;
    grid-row: 1;
    width: min(100%, 16.5rem);
    margin-right: clamp(0rem, 1vw, 1rem);
    align-self: center;
    justify-self: start;
    perspective: 90rem;
}

.device {
    position: relative;
    isolation: isolate;
    width: 100%;
    padding: 0.3rem;
    transform: rotateY(calc(-1.2deg + var(--tilt-x, 0deg))) rotateX(calc(0.35deg + var(--tilt-y, 0deg)));
    border: 0;
    border-radius: 2.25rem;
    background:
        linear-gradient(145deg, #5b5d63 0%, #25272c 13%, #07080a 36%, #34363b 72%, #090a0c 100%);
    box-shadow:
        0 0 0 1px rgba(216, 219, 226, 0.32),
        0 0 0 2px rgba(3, 4, 6, 0.96),
        inset 0 0 0 1px rgba(255, 255, 255, 0.22),
        inset 0 0 0.7rem rgba(255, 255, 255, 0.08),
        0 1.4rem 3.5rem rgba(0, 0, 0, 0.58),
        0 0.28rem 0.7rem rgba(0, 0, 0, 0.48);
    transform-style: preserve-3d;
    will-change: transform;
}

.device::before {
    position: absolute;
    z-index: 3;
    inset: 0.19rem;
    content: "";
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 2.04rem;
    box-shadow:
        inset 0 0 0 1px rgba(0, 0, 0, 0.88),
        inset 0 0.22rem 0.34rem rgba(255, 255, 255, 0.035);
    pointer-events: none;
}

.device::after {
    position: absolute;
    z-index: -1;
    top: 27%;
    right: -0.19rem;
    width: 0.14rem;
    height: 3.9rem;
    content: "";
    border-radius: 0 0.12rem 0.12rem 0;
    background: linear-gradient(180deg, #62646a, #17181c 16%, #0b0c0f 84%, #505258);
    box-shadow: 1px 0 0 rgba(255, 255, 255, 0.16);
}

.device.media-failed::after {
    position: absolute;
    z-index: 1;
    inset: 0;
    width: auto;
    height: auto;
    display: grid;
    content: "SELION.AI";
    place-items: center;
    color: var(--ink-quiet);
    font-size: 0.72rem;
    letter-spacing: 0.2em;
}

.device picture,
.device img {
    display: block;
    width: 100%;
}

.device picture {
    overflow: hidden;
    border-radius: 1.98rem;
    background: #050609;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.98),
        inset 0 0 1.1rem rgba(0, 0, 0, 0.3);
}

.device img {
    height: auto;
    border-radius: inherit;
}

.hero-device .device {
    transform: rotateY(calc(-1.6deg + var(--tilt-x, 0deg))) rotateX(calc(0.35deg + var(--tilt-y, 0deg))) translateZ(0);
}

.hero-device::after {
    position: absolute;
    z-index: -1;
    right: 6%;
    bottom: -4%;
    left: 6%;
    height: 10%;
    content: "";
    background: rgba(0, 0, 0, 0.75);
    filter: blur(1.5rem);
}

.hero-index {
    z-index: 6;
    display: grid;
    grid-column: 1 / -1;
    grid-row: 2;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.hero-index a {
    display: grid;
    min-height: 5.3rem;
    padding: 1rem clamp(0.75rem, 1.5vw, 1.5rem);
    grid-template-columns: auto 1fr;
    align-content: center;
    gap: 0.15rem 0.75rem;
    border-right: 1px solid var(--line);
    transition: background 200ms var(--ease-out);
}

.hero-index a:last-child {
    border-right: 0;
}

.hero-index a:hover,
.hero-index a:focus-visible {
    background: rgba(224, 224, 236, 0.05);
}

.hero-index-number {
    grid-row: 1 / span 2;
    color: var(--ink-quiet);
    font-size: 0.68rem;
}

.hero-index strong {
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.hero-index span:last-child {
    color: var(--ink-quiet);
    font-size: 0.76rem;
}

.scroll-cue {
    position: absolute;
    z-index: 7;
    bottom: 7.3rem;
    left: var(--page-gutter);
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    color: var(--ink-quiet);
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.scroll-cue::after {
    width: 2.5rem;
    height: 1px;
    content: "";
    background: var(--line-strong);
}

.section-intro {
    position: relative;
    display: grid;
    padding-block: var(--section-space) clamp(4rem, 7vw, 7rem);
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1.5rem;
    isolation: isolate;
}

.section-intro::before {
    position: absolute;
    z-index: -1;
    inset: 0 calc(50% - 50vw);
    content: "";
    border-top: 1px solid rgba(224, 224, 236, 0.08);
    background: linear-gradient(108deg, var(--pearl-wash), transparent 46%);
    pointer-events: none;
}

.section-intro h2 {
    grid-column: 1 / span 8;
    max-width: 13ch;
    font-size: clamp(2.8rem, 5.6vw, 5.6rem);
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1;
}

.section-intro p {
    grid-column: 9 / -1;
    max-width: 30rem;
    align-self: end;
    color: var(--ink-soft);
    font-size: clamp(1rem, 1.2vw, 1.15rem);
}

.story {
    position: relative;
    border-top: 1px solid var(--line);
}

.story-nav {
    position: sticky;
    z-index: 10;
    top: var(--header-height);
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    border-bottom: 1px solid var(--line);
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(1rem);
    width: min(100%, 110rem);
    margin-inline: auto;
}

.story-nav a {
    position: relative;
    display: flex;
    min-height: 3.75rem;
    padding-inline: 1.25rem;
    align-items: center;
    justify-content: space-between;
    border-right: 1px solid var(--line);
    color: var(--ink-quiet);
    font-size: 0.75rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    transition: color 180ms var(--ease-out), background 180ms var(--ease-out);
    overflow: hidden;
}

.story-nav-progress {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 1px;
    content: "";
    transform: scaleX(0);
    transform-origin: left center;
    background: var(--silver-soft);
    pointer-events: none;
}

.story-nav a:last-child {
    border-right: 0;
}

.story-nav a.is-active,
.story-nav a:hover,
.story-nav a:focus-visible {
    background: rgba(224, 224, 236, 0.045);
    color: var(--ink);
}

.story-chapter {
    position: relative;
    display: grid;
    min-height: 100svh;
    padding-block: clamp(3rem, 4.5vw, 4.75rem);
    overflow: clip;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: center;
    gap: 1.5rem;
    border-bottom: 1px solid var(--line);
}

.story-chapter-stage {
    position: relative;
    display: contents;
    isolation: isolate;
}

.chapter-copy {
    z-index: 2;
    grid-column: 1 / span 4;
    max-width: 29rem;
    padding-right: clamp(0rem, 2vw, 2rem);
}

.chapter-number {
    display: inline-block;
    margin-bottom: 2rem;
    color: var(--ink-quiet);
    font-size: 0.7rem;
    letter-spacing: 0.16em;
}

.chapter-copy h3 {
    font-size: clamp(2.4rem, 4vw, 4.75rem);
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1;
}

.chapter-copy p {
    max-width: 36rem;
    margin-top: 1.4rem;
    color: var(--ink-soft);
    font-size: clamp(1rem, 1.1vw, 1.12rem);
    line-height: 1.7;
}

.chapter-link {
    display: inline-flex;
    min-height: 2.75rem;
    margin-top: 1.5rem;
    align-items: center;
    gap: 0.65rem;
    color: var(--ink);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

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

.chapter-link:hover span,
.chapter-link:focus-visible span {
    transform: translateX(0.3rem);
}

.story-chapter--agent .chapter-copy h3 {
    font-size: clamp(2.35rem, 3.55vw, 4.25rem);
}

.agent-capabilities {
    margin-top: 1.65rem;
}

.agent-capabilities > div {
    display: grid;
    padding-block: 0.78rem;
    grid-template-columns: minmax(6.8rem, 0.85fr) minmax(0, 1.5fr);
    gap: 1rem;
    border-top: 1px solid var(--line);
}

.agent-capabilities dt {
    color: var(--ink);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.agent-capabilities dd {
    color: var(--ink-soft);
    font-size: 0.8rem;
    line-height: 1.45;
}

.agent-dossier {
    grid-column: 1 / -1;
    width: 100%;
    margin-top: clamp(4.5rem, 8vw, 8rem);
}

.agent-dossier-intro {
    padding-block: clamp(4rem, 7vw, 7rem);
    border-top: 1px solid var(--line);
}

.agent-dossier-intro h4 {
    max-width: 15ch;
    font-size: clamp(2.75rem, 5.2vw, 5.6rem);
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1;
    text-wrap: balance;
}

.agent-dossier-intro p {
    max-width: 48rem;
    margin-top: 1.6rem;
    color: var(--ink-soft);
    font-size: clamp(1rem, 1.3vw, 1.2rem);
    line-height: 1.7;
    text-wrap: pretty;
}

.agent-flow {
    display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.agent-flow li {
    min-height: 15rem;
    padding: clamp(1.5rem, 2.4vw, 2.5rem);
    border-right: 1px solid var(--line);
}

.agent-flow li:last-child {
    border-right: 0;
}

.agent-flow-number {
    display: block;
    margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
    color: var(--ink-quiet);
    font-size: 0.68rem;
    letter-spacing: 0.12em;
}

.agent-flow h5,
.agent-intelligence h5,
.agent-memory h5,
.agent-detail-heading h5,
.agent-modes h5,
.agent-prompts h5 {
    font-size: clamp(1.35rem, 1.75vw, 1.75rem);
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1.15;
    text-wrap: balance;
}

.agent-intelligence {
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.agent-signal-statement {
    display: grid;
    padding-block: clamp(3rem, 5vw, 5rem);
    grid-template-columns: minmax(12rem, 0.75fr) minmax(0, 1.25fr);
    gap: clamp(2rem, 6vw, 7rem);
    align-items: end;
}

.agent-signal-count {
    color: var(--ink);
    font-size: clamp(6.5rem, 14vw, 13.5rem);
    font-weight: 300;
    letter-spacing: -0.085em;
    line-height: 0.72;
}

.agent-signal-statement p {
    max-width: 38rem;
    margin-top: 1rem;
    color: var(--ink-soft);
    font-size: clamp(0.95rem, 1.2vw, 1.1rem);
    line-height: 1.65;
    text-wrap: pretty;
}

.agent-signal-groups {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--line);
}

.agent-signal-groups > div {
    min-height: 17rem;
    padding: clamp(1.5rem, 2.5vw, 2.5rem);
    border-right: 1px solid var(--line);
}

.agent-signal-groups > div:last-child {
    border-right: 0;
}

.agent-signal-groups dt {
    margin-bottom: clamp(3.5rem, 6vw, 5.5rem);
    color: var(--ink);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.agent-signal-groups dd {
    color: var(--ink-soft);
    font-size: 0.86rem;
    line-height: 1.65;
    text-wrap: pretty;
}

.agent-memory {
    display: grid;
    padding-block: clamp(4.5rem, 8vw, 8rem);
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: clamp(3rem, 8vw, 9rem);
    border-bottom: 1px solid var(--line);
    background: radial-gradient(circle at 80% 45%, rgba(224, 224, 236, 0.045), transparent 35%);
}

.agent-memory-label {
    display: block;
    margin-bottom: clamp(3rem, 6vw, 5.5rem);
    color: var(--ink-quiet);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.agent-memory-copy p {
    max-width: 38rem;
    margin-top: 1.25rem;
    color: var(--ink-soft);
    font-size: 0.96rem;
    line-height: 1.7;
    text-wrap: pretty;
}

.agent-memory-examples {
    align-self: end;
}

.agent-memory-examples li {
    display: grid;
    padding-block: 1.15rem;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 1.25rem;
    align-items: baseline;
    border-top: 1px solid var(--line);
}

.agent-memory-examples q {
    color: var(--ink);
    font-size: clamp(1rem, 1.5vw, 1.35rem);
    letter-spacing: -0.015em;
    line-height: 1.35;
}

.agent-memory-examples span {
    color: var(--ink-quiet);
    font-size: 0.65rem;
    letter-spacing: 0.08em;
    text-align: right;
    text-transform: uppercase;
}

.agent-flow p {
    margin-top: 0.8rem;
    color: var(--ink-soft);
    font-size: 0.85rem;
    line-height: 1.55;
    text-wrap: pretty;
}

.agent-knowledge {
    display: grid;
    grid-template-columns: 1fr 1fr;
    border-bottom: 1px solid var(--line);
}

.agent-context,
.agent-actions {
    padding-block: clamp(4rem, 7vw, 6.5rem);
}

.agent-context {
    padding-right: clamp(2rem, 5vw, 5rem);
    border-right: 1px solid var(--line);
}

.agent-actions {
    padding-left: clamp(2rem, 5vw, 5rem);
}

.agent-detail-heading p,
.agent-modes-intro p,
.agent-prompts-intro p {
    max-width: 31rem;
    margin-top: 0.85rem;
    color: var(--ink-soft);
    font-size: 0.92rem;
    line-height: 1.6;
    text-wrap: pretty;
}

.agent-context-list,
.agent-action-list {
    margin-top: 2.5rem;
}

.agent-context-list > div {
    display: grid;
    padding-block: 1.1rem;
    grid-template-columns: minmax(7.5rem, 0.7fr) minmax(0, 1.5fr);
    gap: 1.25rem;
    border-top: 1px solid var(--line);
}

.agent-context-list dt,
.agent-action-list strong {
    color: var(--ink);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.03em;
}

.agent-context-list dd,
.agent-action-list span {
    color: var(--ink-soft);
    font-size: 0.82rem;
    line-height: 1.5;
}

.agent-action-list li {
    display: grid;
    padding-block: 1rem;
    grid-template-columns: minmax(8.5rem, 0.85fr) minmax(0, 1.4fr);
    gap: 1.25rem;
    border-top: 1px solid var(--line);
}

.agent-modes {
    display: grid;
    grid-template-columns: 1.05fr 1fr 1fr;
    border-bottom: 1px solid var(--line);
}

.agent-modes-intro,
.agent-mode {
    min-height: 19rem;
    padding: clamp(2rem, 4vw, 4rem);
    border-right: 1px solid var(--line);
}

.agent-mode:last-child {
    border-right: 0;
}

.agent-mode > span {
    display: block;
    margin-bottom: clamp(3.5rem, 7vw, 6rem);
    color: var(--ink-quiet);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.agent-mode strong {
    display: block;
    max-width: 20rem;
    font-size: clamp(1.35rem, 1.8vw, 1.75rem);
    font-weight: 500;
    letter-spacing: -0.025em;
    line-height: 1.2;
    text-wrap: balance;
}

.agent-mode p {
    max-width: 24rem;
    margin-top: 0.9rem;
    color: var(--ink-soft);
    font-size: 0.88rem;
    line-height: 1.6;
    text-wrap: pretty;
}

.agent-mode--turbo {
    background: linear-gradient(135deg, rgba(224, 224, 236, 0.055), rgba(224, 224, 236, 0.012));
}

.agent-mode-boundary {
    grid-column: 1 / -1;
    margin: 0;
    padding: 1.25rem clamp(2rem, 4vw, 4rem);
    border-top: 1px solid var(--line);
    color: var(--ink-soft);
    font-size: 0.82rem;
    line-height: 1.65;
}

.agent-mode-boundary strong {
    color: var(--ink);
    font-weight: 520;
}

.agent-prompts {
    padding-block: clamp(4.5rem, 8vw, 8rem) 0;
}

.agent-prompts-intro {
    max-width: 48rem;
}

.agent-prompt-list {
    display: grid;
    margin-top: clamp(3rem, 5vw, 5rem);
    grid-template-columns: 1fr 1fr;
}

.agent-prompt-list li {
    min-height: 9rem;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    border-top: 1px solid var(--line);
}

.agent-prompt-list li:nth-child(odd) {
    border-right: 1px solid var(--line);
}

.agent-prompt-list q {
    display: block;
    max-width: 34rem;
    color: var(--ink);
    font-size: clamp(1.15rem, 1.75vw, 1.65rem);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.35;
    text-wrap: pretty;
}

.chapter-visual {
    position: relative;
    z-index: 1;
    top: auto;
    display: grid;
    height: min(72svh, 50rem);
    min-height: 34rem;
    grid-column: 5 / -1;
    place-items: center;
    overflow: hidden;
    border-radius: var(--radius-sm);
    background:
        radial-gradient(circle at 68% 22%, rgba(224, 224, 236, 0.08), transparent 32%),
        var(--surface);
    isolation: isolate;
}

.chapter-visual::before {
    position: absolute;
    z-index: 1;
    inset: -18%;
    content: "";
    background: radial-gradient(circle at 72% 42%, rgba(222, 223, 228, 0.16), transparent 32%);
    opacity: 0.38;
    pointer-events: none;
}

.chapter-visual.media-failed::before {
    position: absolute;
    z-index: 1;
    right: 1.25rem;
    bottom: 1.25rem;
    content: "SELION.AI / IMAGE UNAVAILABLE";
    color: var(--ink-quiet);
    font-size: 0.68rem;
    letter-spacing: 0.14em;
}

.chapter-visual::after {
    position: absolute;
    z-index: 2;
    inset: -6%;
    content: "";
    background: linear-gradient(90deg, rgba(10, 10, 15, 0.38), transparent 38%), linear-gradient(0deg, rgba(10, 10, 15, 0.55), transparent 46%);
    opacity: 0.62;
    pointer-events: none;
}

.chapter-visual picture.chapter-background,
.chapter-background img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
}

.chapter-background img {
    z-index: 0;
    object-fit: cover;
    opacity: 1;
    transform: scale(1.04);
}

.chapter-device {
    z-index: 4;
    width: clamp(13.5rem, 22vw, 20rem);
    margin-right: clamp(1rem, 5vw, 4rem);
    justify-self: end;
    perspective: 80rem;
}

.chapter-device .device {
    transform: rotateY(calc(-1deg + var(--tilt-x, 0deg))) rotateX(calc(0.3deg + var(--tilt-y, 0deg)));
}

.agent-screen-stack {
    position: relative;
    width: 100%;
    aspect-ratio: 1260 / 2736;
    overflow: hidden;
    border-radius: 1.98rem;
    background: #050609;
    box-shadow:
        0 0 0 1px rgba(0, 0, 0, 0.98),
        inset 0 0 1.1rem rgba(0, 0, 0, 0.3);
}

.device .agent-screen-stack .agent-screen {
    position: absolute;
    inset: 0;
    border-radius: inherit;
    box-shadow: none;
}

.device .agent-screen-stack .agent-screen img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.agent-screen--one {
    z-index: 3;
}

.agent-screen--two {
    z-index: 2;
}

.agent-screen--three {
    z-index: 1;
}

.agent-screen--two,
.agent-screen--three {
    opacity: 0;
}

.chapter-scene-numeral {
    position: absolute;
    z-index: 3;
    right: clamp(1.5rem, 4vw, 4rem);
    bottom: clamp(0.4rem, 1.5vw, 1.25rem);
    color: rgba(239, 240, 242, 0.16);
    font-size: clamp(8rem, 17vw, 18rem);
    font-weight: 300;
    letter-spacing: -0.085em;
    line-height: 0.78;
    pointer-events: none;
}

.chapter-scene-meter {
    position: absolute;
    z-index: 5;
    top: 1.25rem;
    right: 1.25rem;
    display: grid;
    width: min(8.5rem, 28%);
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.35rem;
    pointer-events: none;
}

.chapter-scene-meter::before {
    position: absolute;
    inset: 0;
    content: "";
    background: repeating-linear-gradient(90deg, rgba(239, 240, 242, 0.2) 0 calc((100% - 0.7rem) / 3), transparent calc((100% - 0.7rem) / 3) calc((100% - 0.7rem) / 3 + 0.35rem));
}

.chapter-scene-meter span {
    height: 1px;
    transform: scaleX(1);
    transform-origin: left center;
    background: rgba(239, 240, 242, 0.94);
}

.chapter-visual--split {
    grid-template-columns: 1fr;
}

.chapter-visual--split .chapter-background {
    position: absolute;
    width: 100%;
    height: 100%;
}

.chapter-visual--split .chapter-background img {
    object-position: center 25%;
}

.chapter-visual--split .chapter-device {
    margin-right: 8%;
    justify-self: end;
}

.chapter-visual--agent::after {
    background:
        linear-gradient(90deg, rgba(10, 10, 15, 0.08), rgba(10, 10, 15, 0.24) 52%, rgba(10, 10, 15, 0.62)),
        linear-gradient(0deg, rgba(10, 10, 15, 0.56), transparent 46%);
}

.chapter-visual--agent .chapter-background img {
    object-position: center center;
    filter: brightness(0.72) saturate(0.78);
}

.chapter-visual--agent .chapter-device {
    width: clamp(14rem, 21vw, 19rem);
    margin-right: clamp(0.75rem, 3.8vw, 3rem);
}

.chapter-visual--tryon .chapter-background img {
    object-position: center 16%;
    filter: brightness(0.82) saturate(0.82);
}

.chapter-visual--curate .chapter-background img {
    object-position: center 18%;
    filter: brightness(0.78) saturate(0.82);
}

.chapter-visual--plan .chapter-background img {
    object-position: 38% 12%;
    filter: brightness(0.76) saturate(0.78);
}

.how-it-works {
    padding-block: var(--section-space);
}

.section-heading-row {
    display: grid;
    margin-bottom: clamp(3rem, 7vw, 6rem);
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1.5rem;
}

.section-heading-row h2 {
    grid-column: 1 / span 7;
    max-width: 12ch;
    font-size: clamp(2.6rem, 5vw, 5.3rem);
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1;
}

.section-heading-row p {
    grid-column: 9 / -1;
    max-width: 30rem;
    align-self: end;
    color: var(--ink-soft);
}

.steps {
    display: grid;
    margin: 0;
    padding: 0;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    list-style: none;
}

.step {
    min-height: 18rem;
    padding: clamp(1.5rem, 3vw, 2.5rem);
    border-right: 1px solid var(--line);
}

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

.step-number {
    display: block;
    margin-bottom: clamp(3.5rem, 7vw, 6.5rem);
    color: var(--ink-quiet);
    font-size: 0.7rem;
    letter-spacing: 0.14em;
}

.step h3 {
    font-size: clamp(1.25rem, 1.8vw, 1.75rem);
    font-weight: 500;
    letter-spacing: -0.025em;
}

.step p {
    max-width: 24rem;
    margin-top: 0.85rem;
    color: var(--ink-quiet);
    font-size: 0.9rem;
}

.manifesto {
    position: relative;
    padding-block: clamp(5rem, 9vw, 9rem);
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    overflow: hidden;
    background: var(--canvas-soft);
    isolation: isolate;
}

.manifesto::before {
    position: absolute;
    z-index: 1;
    inset: 0;
    content: "";
    background:
        linear-gradient(90deg, rgba(10, 10, 15, 0.88), rgba(10, 10, 15, 0.68) 50%, rgba(10, 10, 15, 0.82)),
        linear-gradient(0deg, rgba(10, 10, 15, 0.8), transparent 56%, rgba(10, 10, 15, 0.72));
    pointer-events: none;
}

.manifesto-media,
.manifesto-media img,
.manifesto-video {
    position: absolute;
    z-index: 0;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center 43%;
}

.manifesto-video {
    opacity: 0;
    transition: opacity 500ms var(--ease-out);
}

.manifesto.media-ready .manifesto-video {
    opacity: 1;
}

.manifesto-inner {
    position: relative;
    z-index: 2;
}

.manifesto p {
    max-width: 18ch;
    margin-inline: auto;
    text-align: center;
    font-size: clamp(2.5rem, 5.4vw, 5.7rem);
    font-weight: 300;
    letter-spacing: -0.04em;
    line-height: 1.08;
}

.manifesto strong {
    font-weight: 600;
}

.manifesto-note {
    display: block;
    margin-top: 2rem;
    color: var(--ink-quiet);
    text-align: center;
    font-size: 0.72rem;
    letter-spacing: 0.16em;
    text-transform: uppercase;
}

.download {
    position: relative;
    min-height: min(92svh, 58rem);
    overflow: hidden;
    border-bottom: 1px solid var(--line);
    background: var(--canvas);
    isolation: isolate;
}

.download video,
.download-poster {
    position: absolute;
    z-index: -3;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.58;
}

.download video {
    opacity: 0;
    transition: opacity 500ms var(--ease-out);
}

.download.media-ready video {
    opacity: 0.58;
}

.download::before {
    position: absolute;
    z-index: -2;
    inset: 0;
    content: "";
    background: linear-gradient(90deg, rgba(10, 10, 15, 0.96) 0%, rgba(10, 10, 15, 0.75) 48%, rgba(10, 10, 15, 0.25) 100%), linear-gradient(0deg, rgba(10, 10, 15, 0.84), transparent 58%);
}

.download-inner {
    display: grid;
    min-height: inherit;
    padding-block: var(--section-space);
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: center;
    gap: 1.5rem;
}

.download-copy {
    grid-column: 1 / span 6;
}

.download-copy h2 {
    max-width: 9ch;
    font-size: clamp(3.1rem, 6vw, 6rem);
    font-weight: 600;
    letter-spacing: -0.04em;
    line-height: 0.96;
}

.download-copy > p {
    max-width: 37rem;
    margin-top: 1.5rem;
    color: var(--ink-soft);
    font-size: 1.08rem;
}

.store-links {
    display: flex;
    margin-top: 2rem;
    flex-wrap: wrap;
    gap: 0.65rem;
}

.store-link {
    display: flex;
    min-width: 10.5rem;
    min-height: 3.65rem;
    padding: 0.7rem 1rem;
    align-items: center;
    gap: 0.8rem;
    border: 1px solid var(--line-strong);
    border-radius: 0.4rem;
    background: rgba(10, 10, 15, 0.6);
    backdrop-filter: blur(0.75rem);
    transition: background 180ms var(--ease-out), transform 180ms var(--ease-out), border-color 180ms var(--ease-out);
}

.store-link:hover,
.store-link:focus-visible {
    transform: translateY(-0.18rem);
    border-color: var(--silver);
    background: rgba(224, 224, 236, 0.1);
}

.store-link:active {
    transform: scale(0.98);
}

.store-link svg {
    width: 1.45rem;
    height: 1.45rem;
    flex: none;
}

.store-link-copy {
    display: grid;
    line-height: 1.1;
}

.store-link-copy small {
    color: var(--ink-quiet);
    font-size: 0.62rem;
}

.store-link-copy strong {
    margin-top: 0.15rem;
    font-size: 0.95rem;
    font-weight: 500;
}

.download-device {
    grid-column: 8 / span 4;
    width: min(100%, 23rem);
    justify-self: center;
}

.journal {
    padding-block: var(--section-space);
}

.journal-header {
    display: flex;
    margin-bottom: clamp(3rem, 6vw, 5.5rem);
    align-items: end;
    justify-content: space-between;
    gap: 1.5rem;
}

.journal-header h2 {
    font-size: clamp(2.8rem, 5vw, 5.2rem);
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1;
}

.text-link {
    display: inline-flex;
    min-height: 2.75rem;
    align-items: center;
    gap: 0.65rem;
    color: var(--ink-soft);
    font-size: 0.78rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

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

.text-link:hover,
.text-link:focus-visible {
    color: var(--ink);
}

.text-link:hover span,
.text-link:focus-visible span {
    transform: translateX(0.3rem);
}

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

.journal-item {
    display: grid;
    min-height: 11rem;
    padding-block: 1.5rem;
    grid-template-columns: 1fr 3fr auto;
    align-items: center;
    gap: clamp(1.5rem, 4vw, 4rem);
    border-bottom: 1px solid var(--line);
    transition: background 220ms var(--ease-out), color 180ms var(--ease-out);
}

.journal-item:hover,
.journal-item:focus-visible {
    background: rgba(224, 224, 236, 0.035);
}

.journal-item-meta {
    color: var(--ink-quiet);
    font-size: 0.72rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.journal-item h3 {
    max-width: 28ch;
    font-size: clamp(1.4rem, 2.2vw, 2.25rem);
    font-weight: 400;
    letter-spacing: -0.03em;
}

.journal-arrow {
    font-size: 1.5rem;
    transition: transform 220ms var(--ease-out);
}

.journal-item:hover .journal-arrow,
.journal-item:focus-visible .journal-arrow {
    transform: translateX(0.4rem);
}

.faq {
    padding-block: var(--section-space);
    border-top: 1px solid var(--line);
}

.faq-layout {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1.5rem;
}

.faq-intro {
    position: sticky;
    top: calc(var(--header-height) + 3rem);
    grid-column: 1 / span 4;
    height: max-content;
}

.faq-intro h2 {
    max-width: 8ch;
    font-size: clamp(2.8rem, 4.8vw, 5rem);
    font-weight: 500;
    letter-spacing: -0.04em;
    line-height: 1;
}

.faq-intro p {
    max-width: 23rem;
    margin-top: 1.5rem;
    color: var(--ink-soft);
}

.faq-list {
    grid-column: 6 / -1;
    border-top: 1px solid var(--line);
}

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

.faq-item summary {
    display: grid;
    min-height: 5.4rem;
    padding-block: 1.25rem;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: 1.25rem;
    cursor: pointer;
    list-style: none;
    font-size: clamp(1rem, 1.35vw, 1.25rem);
}

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

.faq-number {
    color: var(--ink-quiet);
    font-size: 0.68rem;
}

.faq-icon {
    position: relative;
    width: 1rem;
    height: 1rem;
}

.faq-icon::before,
.faq-icon::after {
    position: absolute;
    top: 50%;
    right: 0;
    width: 1rem;
    height: 1px;
    content: "";
    background: var(--ink-soft);
    transition: transform 220ms var(--ease-out);
}

.faq-icon::after {
    transform: rotate(90deg);
}

.faq-item[open] .faq-icon::after {
    transform: rotate(0deg);
}

.faq-answer {
    max-width: 44rem;
    padding: 0 2.5rem 1.7rem 3rem;
    color: var(--ink-soft);
}

.faq-contact {
    display: inline-flex;
    min-height: 2.75rem;
    margin-top: 2rem;
    align-items: center;
    gap: 0.6rem;
    color: var(--ink-soft);
    font-size: 0.85rem;
}

.faq-contact:hover,
.faq-contact:focus-visible {
    color: var(--ink);
}

.site-footer {
    padding: clamp(4rem, 8vw, 8rem) var(--page-gutter) 2rem;
    border-top: 1px solid var(--line);
    background: #07070a;
}

.footer-inner {
    width: min(100%, 110rem);
    margin-inline: auto;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 1.5rem;
}

.footer-statement {
    grid-column: 1 / span 7;
    max-width: 13ch;
    font-size: clamp(2.6rem, 5vw, 5.25rem);
    font-weight: 400;
    letter-spacing: -0.04em;
    line-height: 1;
}

.footer-columns {
    display: grid;
    grid-column: 9 / -1;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem 1.5rem;
}

.footer-column h3 {
    margin-bottom: 0.85rem;
    color: var(--ink-quiet);
    font-size: 0.68rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.footer-column a {
    display: flex;
    width: fit-content;
    min-width: 2.75rem;
    min-height: 2.75rem;
    align-items: center;
    color: var(--ink-soft);
    font-size: 0.85rem;
}

.footer-column a:hover,
.footer-column a:focus-visible {
    color: var(--ink);
}

.footer-bottom {
    display: flex;
    margin-top: clamp(5rem, 10vw, 10rem);
    padding-top: 1.5rem;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    border-top: 1px solid var(--line);
    color: var(--ink-quiet);
    font-size: 0.72rem;
}

.footer-legal-links,
.footer-socials {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
}

.footer-bottom a {
    display: inline-flex;
    min-width: 2.75rem;
    min-height: 2.75rem;
    align-items: center;
    justify-content: center;
}

@media (min-width: 64rem) and (max-height: 46rem) {
    .hero-grid {
        padding-top: calc(var(--header-height) + 1rem);
    }

    .hero-device {
        width: min(100%, 13.5rem);
    }

    .hero-cinema-label {
        display: none;
    }
}

@media (max-width: 75rem) {
    .desktop-nav .nav-link:nth-child(4) {
        display: none;
    }

    .hero-copy {
        grid-column: 1 / span 6;
    }

    .hero-cinema {
        grid-column: 5 / span 8;
    }

    .device-wrap {
        grid-column: 9 / span 4;
    }

    .chapter-copy {
        grid-column: 1 / span 5;
    }

    .chapter-visual {
        grid-column: 6 / -1;
    }
}

@media (max-width: 63.99rem) {
    :root {
        --header-height: 4rem;
    }

    .desktop-nav,
    .header-actions > .locale-wrap,
    .header-actions > .button {
        display: none;
    }

    .menu-trigger {
        display: grid;
    }

    .hero {
        min-height: auto;
    }

    .hero-sticky {
        position: relative;
        height: auto;
        min-height: 0;
        padding-top: var(--header-height);
    }

    .hero-grid {
        padding-top: 2.5rem;
        grid-template-rows: auto minmax(33rem, 67svh) auto;
    }

    .hero-copy {
        grid-column: 1 / span 8;
        grid-row: 1;
        padding-block: 2rem 3rem;
    }

    .hero h1 {
        font-size: clamp(3.5rem, 8vw, 5.3rem);
    }

    .hero-cinema {
        grid-column: 1 / span 9;
        grid-row: 2;
    }

    .device-wrap {
        grid-column: 8 / -1;
        grid-row: 2;
        width: min(100%, 18rem);
    }

    .hero-index {
        display: none;
    }

    .scroll-cue {
        display: none;
    }

    .section-intro h2,
    .section-heading-row h2 {
        grid-column: 1 / span 8;
    }

    .section-intro p,
    .section-heading-row p {
        grid-column: 9 / -1;
    }

    .story-nav {
        top: var(--header-height);
        overflow-x: auto;
        grid-template-columns: repeat(5, minmax(10rem, 1fr));
        scrollbar-width: none;
    }

    .story-nav::-webkit-scrollbar {
        display: none;
    }

    .story-chapter {
        min-height: auto;
        padding-block: 6rem;
    }

    .chapter-copy {
        grid-column: 1 / span 5;
    }

    .chapter-visual {
        position: relative;
        top: auto;
        height: 64svh;
        min-height: 31rem;
        grid-column: 6 / -1;
    }

    .agent-dossier-intro h4 {
        max-width: 13ch;
    }

    .agent-signal-statement {
        grid-template-columns: minmax(9rem, 0.55fr) minmax(0, 1.25fr);
    }

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

    .agent-signal-groups > div:nth-child(2) {
        border-right: 0;
    }

    .agent-signal-groups > div:nth-child(-n + 2) {
        border-bottom: 1px solid var(--line);
    }

    .agent-memory {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }

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

    .agent-flow li:nth-child(even) {
        border-right: 0;
    }

    .agent-flow li:nth-child(-n + 4) {
        border-bottom: 1px solid var(--line);
    }

    .agent-knowledge {
        grid-template-columns: 1fr;
    }

    .agent-context {
        padding-right: 0;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .agent-actions {
        padding-left: 0;
    }

    .agent-modes {
        grid-template-columns: 1fr 1fr;
    }

    .agent-modes-intro {
        min-height: auto;
        grid-column: 1 / -1;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .agent-mode:nth-child(2) {
        border-right: 1px solid var(--line);
    }

    .agent-mode:last-child {
        border-right: 0;
    }

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

    .step:nth-child(2) {
        border-right: 0;
    }

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

    .download-copy {
        grid-column: 1 / span 7;
    }

    .download-device {
        grid-column: 9 / -1;
    }

    .faq-intro {
        grid-column: 1 / span 5;
    }

    .faq-list {
        grid-column: 6 / -1;
    }

    .footer-statement {
        grid-column: 1 / span 7;
    }

    .footer-columns {
        grid-column: 8 / -1;
    }
}

@media (max-width: 47.99rem) {
    .hero-grid {
        display: flex;
        padding-top: 1.25rem;
        flex-direction: column;
    }

    .hero-copy {
        order: 1;
        padding-block: 2.5rem 2.25rem;
    }

    .hero h1 {
        max-width: 9ch;
        font-size: clamp(3.1rem, 14.5vw, 4.9rem);
    }

    .hero-lede {
        max-width: 31rem;
    }

    .hero-cinema {
        width: 100%;
        min-height: 70svh;
        order: 2;
    }

    .hero-cinema::before {
        background: linear-gradient(0deg, rgba(10, 10, 15, 0.72), transparent 42%), linear-gradient(90deg, rgba(10, 10, 15, 0.35), transparent 45%);
    }

    .device-wrap {
        width: min(54vw, 15.5rem);
        margin-top: -54svh;
        margin-right: 0.75rem;
        margin-bottom: 2rem;
        order: 3;
    }

    .hero-device {
        align-self: flex-end;
    }

    .section-intro,
    .section-heading-row {
        display: block;
    }

    .section-intro p,
    .section-heading-row p {
        max-width: 34rem;
        margin-top: 1.5rem;
    }

    .story-nav {
        position: relative;
        top: auto;
        scroll-snap-type: x mandatory;
    }

    .story-nav a {
        scroll-snap-align: start;
    }

    .story-chapter {
        display: flex;
        min-height: auto;
        padding: 5rem var(--page-gutter);
        flex-direction: column;
        align-items: stretch;
        gap: 2.5rem;
    }

    .chapter-copy {
        max-width: 35rem;
        padding-right: 0;
    }

    .chapter-visual {
        width: 100%;
        height: 72svh;
        min-height: 32rem;
    }

    .chapter-visual--split {
        grid-template-columns: 1fr;
    }

    .chapter-device {
        width: min(57vw, 16.5rem);
        margin-right: clamp(0.5rem, 6vw, 2rem);
    }

    .chapter-visual--agent .chapter-background img {
        object-position: 40% center;
    }

    .chapter-visual--agent .chapter-device {
        width: min(55vw, 16rem);
        margin-right: clamp(0.25rem, 3vw, 1rem);
    }

    .agent-dossier {
        margin-top: 2.5rem;
    }

    .agent-dossier-intro h4 {
        max-width: 13ch;
    }

    .agent-signal-statement {
        grid-template-columns: minmax(9rem, 0.55fr) minmax(0, 1.25fr);
    }

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

    .agent-signal-groups > div:nth-child(2) {
        border-right: 0;
    }

    .agent-signal-groups > div:nth-child(-n + 2) {
        border-bottom: 1px solid var(--line);
    }

    .agent-memory {
        grid-template-columns: 1fr;
        gap: 3.5rem;
    }

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

    .agent-flow li:nth-child(even) {
        border-right: 0;
    }

    .agent-flow li:nth-child(-n + 4) {
        border-bottom: 1px solid var(--line);
    }

    .agent-knowledge {
        grid-template-columns: 1fr;
    }

    .agent-context {
        padding-right: 0;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .agent-actions {
        padding-left: 0;
    }

    .agent-modes {
        grid-template-columns: 1fr 1fr;
    }

    .agent-modes-intro {
        min-height: auto;
        grid-column: 1 / -1;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .agent-mode:nth-child(2) {
        border-right: 1px solid var(--line);
    }

    .agent-mode:last-child {
        border-right: 0;
    }

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

    .step,
    .step:nth-child(2) {
        min-height: 14rem;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

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

    .step-number {
        margin-bottom: 3rem;
    }

    .download {
        min-height: auto;
    }

    .download-inner {
        display: flex;
        padding-block: 6rem;
        flex-direction: column;
        align-items: stretch;
        gap: 3.5rem;
    }

    .download-device {
        width: min(68vw, 19rem);
        align-self: center;
    }

    .journal-header {
        align-items: start;
        flex-direction: column;
    }

    .journal-item {
        min-height: 10rem;
        grid-template-columns: 1fr auto;
        gap: 0.75rem 1rem;
    }

    .journal-item-meta {
        grid-column: 1 / -1;
    }

    .faq-layout {
        display: block;
    }

    .faq-intro {
        position: relative;
        top: auto;
        margin-bottom: 3rem;
    }

    .faq-answer {
        padding-left: 2.4rem;
    }

    .footer-top {
        display: block;
    }

    .footer-columns {
        margin-top: 4rem;
    }

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

@media (max-width: 34rem) {
    .agent-dossier-intro {
        padding-block: 3.5rem;
    }

    .agent-dossier-intro h4 {
        max-width: 11ch;
        font-size: clamp(2.45rem, 12vw, 3.5rem);
    }

    .agent-signal-statement {
        padding-block: 3.5rem;
        grid-template-columns: 1fr;
        gap: 2.5rem;
    }

    .agent-signal-count {
        font-size: clamp(7.5rem, 38vw, 11rem);
    }

    .agent-signal-groups,
    .agent-flow,
    .agent-modes,
    .agent-prompt-list {
        grid-template-columns: 1fr;
    }

    .agent-signal-groups > div,
    .agent-signal-groups > div:nth-child(2),
    .agent-flow li,
    .agent-flow li:nth-child(even),
    .agent-mode,
    .agent-mode:nth-child(2),
    .agent-prompt-list li:nth-child(odd) {
        min-height: auto;
        border-right: 0;
        border-bottom: 1px solid var(--line);
    }

    .agent-signal-groups > div:last-child,
    .agent-flow li:last-child,
    .agent-mode:last-child,
    .agent-prompt-list li:last-child {
        border-bottom: 0;
    }

    .agent-signal-groups dt,
    .agent-flow-number,
    .agent-mode > span {
        margin-bottom: 2.25rem;
    }

    .agent-memory {
        padding-block: 4.5rem;
    }

    .agent-memory-examples li {
        grid-template-columns: 1fr;
        gap: 0.35rem;
    }

    .agent-memory-examples span {
        text-align: left;
    }

    .agent-context-list > div,
    .agent-action-list li {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }

    .agent-context,
    .agent-actions {
        padding-block: 4rem;
    }

    .agent-modes-intro {
        grid-column: auto;
    }

    .agent-modes-intro,
    .agent-mode {
        padding: 2rem 0;
    }

    .agent-prompts {
        padding-top: 4.5rem;
    }

    .agent-prompt-list li {
        padding-inline: 0;
    }
}

@media (max-width: 27rem) {
    .hero h1 {
        font-size: clamp(2.85rem, 14vw, 4rem);
    }

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

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

    .chapter-visual {
        min-height: 29rem;
    }

    .agent-capabilities > div {
        grid-template-columns: 1fr;
        gap: 0.35rem;
    }

    .mobile-menu-secondary,
    .footer-columns {
        grid-template-columns: 1fr;
    }

    .mobile-menu-secondary {
        align-items: start;
        flex-direction: column;
    }
}

/* 2026-08-01 restrained cold-luxury polish. */
.agent-signal-groups,
.agent-memory-examples,
.agent-flow,
.agent-action-list,
.agent-prompt-list {
    padding: 0;
    list-style: none;
}

.agent-signal-groups,
.agent-memory-examples,
.agent-flow {
    margin: 0;
}

.agent-action-list {
    margin: 2.5rem 0 0;
}

.agent-prompt-list {
    margin: clamp(3rem, 5vw, 5rem) 0 0;
}

body {
    background:
        radial-gradient(circle at 78% 10%, rgba(222, 223, 228, 0.045), transparent 28rem),
        var(--canvas);
}

.hero-copy {
    position: relative;
    isolation: isolate;
}

.hero-copy::before {
    position: absolute;
    z-index: -1;
    inset: -2.5rem -2rem -2.5rem calc(-1 * var(--page-gutter));
    content: "";
    border-left: 1px solid rgba(222, 223, 228, 0.12);
    background: linear-gradient(90deg, rgba(222, 223, 228, 0.035), transparent 70%);
    pointer-events: none;
}

.hero-cinema {
    border: 0;
    border-radius: 0;
    background: var(--smoke);
    box-shadow: none;
}

.hero-index {
    border-color: rgba(222, 223, 228, 0.22);
    background: linear-gradient(90deg, rgba(222, 223, 228, 0.045), transparent 36%);
}

.hero-index a:first-child {
    border-top: 1px solid var(--pearl);
    background: rgba(222, 223, 228, 0.035);
}

.story {
    position: relative;
    overflow: clip;
    isolation: isolate;
    background: #0d0e13;
}

.story::before {
    position: absolute;
    z-index: -1;
    inset: 0;
    content: "";
    background:
        radial-gradient(circle at 82% 18%, rgba(222, 223, 228, 0.055), transparent 28rem),
        linear-gradient(180deg, var(--canvas) 0%, transparent 22%, transparent 78%, var(--canvas) 100%);
    opacity: 0.9;
    pointer-events: none;
}

.story-nav {
    border-top: 1px solid rgba(222, 223, 228, 0.12);
    border-bottom-color: rgba(222, 223, 228, 0.22);
    background: rgba(10, 10, 15, 0.92);
}

.story-nav a:first-child {
    color: var(--ink);
    font-weight: 600;
    box-shadow: inset 1px 0 0 rgba(222, 223, 228, 0.55);
}

.story-nav a.is-active {
    background: rgba(222, 223, 228, 0.07);
    color: var(--ink);
}

.story-chapter:not(.story-chapter--agent) {
    background: linear-gradient(105deg, rgba(222, 223, 228, 0.025), transparent 34%);
}

.chapter-copy {
    padding-block: clamp(1.5rem, 3vw, 3rem);
}

.chapter-number {
    margin-bottom: 1.45rem;
    color: #a8aab3;
}

.chapter-copy p {
    color: #c1c2c9;
}

.chapter-link {
    padding-inline: 0.15rem;
    border-bottom: 1px solid rgba(222, 223, 228, 0.38);
}

.chapter-visual {
    border: 0;
    border-radius: 0;
    background: var(--smoke);
    box-shadow: none;
    contain: paint;
}

.agent-dossier {
    background: linear-gradient(135deg, rgba(222, 223, 228, 0.045), transparent 46%);
}

.how-it-works {
    position: relative;
    background: linear-gradient(135deg, rgba(222, 223, 228, 0.075), transparent 52%);
    box-shadow: inset 0 1px 0 rgba(239, 240, 242, 0.05);
}

.agent-flow li:nth-child(2n),
.agent-signal-groups > div:nth-child(2n),
.step:nth-child(2n) {
    background: rgba(222, 223, 228, 0.035);
}

.journal {
    background: linear-gradient(135deg, rgba(222, 223, 228, 0.04), transparent 48%);
}

.faq {
    background: linear-gradient(160deg, rgba(222, 223, 228, 0.038), transparent 40%);
}

.site-footer {
    background: linear-gradient(135deg, #101116, #08090c 62%);
}

/* Desktop/fine pointer: stable pinned product chapters. */
@media (min-width: 64rem) and (pointer: fine) {
    .story-chapter {
        display: block;
        min-height: auto;
        padding-block: 0;
    }

    .story-chapter-stage {
        position: relative;
        display: grid;
        min-height: 150svh;
        padding-block: clamp(3rem, 6svh, 5rem);
        grid-template-columns: repeat(12, minmax(0, 1fr));
        align-items: start;
        gap: 1.5rem;
    }

    .story-chapter-stage .chapter-copy {
        position: sticky;
        top: clamp(10rem, 23svh, 13.5rem);
        grid-column: 1 / span 4;
        align-self: start;
    }

    .story-chapter-stage .chapter-visual {
        position: sticky;
        top: calc(var(--header-height) + 4.75rem);
        height: min(72svh, 50rem);
        grid-column: 5 / -1;
        align-self: start;
    }

    .story-chapter--agent .story-chapter-stage {
        min-height: 165svh;
    }

    .story-chapter--agent .agent-dossier {
        margin-top: 0;
    }
}

@media (max-width: 63.99rem), (pointer: coarse) {
    .story-nav {
        position: sticky;
        top: var(--header-height);
    }

    .story-chapter {
        display: block;
    }

    .story-chapter-stage {
        display: block;
        width: 100%;
        padding-bottom: 0;
    }

    .story-chapter-stage::after {
        display: none;
        content: none;
    }

    .story-chapter-stage .chapter-visual {
        position: relative;
        top: auto;
        height: min(68svh, 42rem);
        min-height: 30rem;
        margin-top: 2.5rem;
    }

    .story-chapter-stage .chapter-copy {
        position: relative;
        top: auto;
    }
}

@media (max-width: 47.99rem) {
    .hero-copy::before {
        inset: 0 calc(-1 * var(--page-gutter));
    }
}

/* Mobile density pass: keep the same composition, reduce needless vertical drag. */
@media (max-width: 47.99rem) {
    .site-header {
        transition: background 180ms var(--ease-out), border-color 180ms var(--ease-out);
    }

    .section-intro {
        padding-block: 4.75rem 4.25rem;
    }

    .site-header.is-scrolled,
    .site-header.menu-active {
        background: rgba(10, 10, 15, 0.96);
        backdrop-filter: none;
    }

    .story-nav {
        background: var(--canvas-elevated);
        backdrop-filter: none;
    }

    .chapter-background img {
        transform: scale(1.04);
    }

    .hero-grid {
        padding-top: 0.75rem;
    }

    .hero-copy {
        padding-block: 1.75rem 2rem;
    }

    .hero-kicker {
        max-width: 32ch;
        margin-bottom: 1rem;
        font-size: 0.72rem;
        letter-spacing: 0.13em;
        line-height: 1.55;
    }

    .hero h1 {
        max-width: 8.8ch;
        font-size: clamp(2.85rem, 12.8vw, 4rem);
        line-height: 0.98;
    }

    .hero-lede {
        margin-top: 1.25rem;
        font-size: 0.98rem;
        line-height: 1.55;
    }

    .hero-actions {
        margin-top: 1.5rem;
        gap: 0.25rem;
    }

    .hero-actions .button {
        min-height: 3rem;
        padding: 0.7rem 1rem;
        font-size: 0.78rem;
    }

    .hero-note {
        margin-top: 1.75rem;
    }

    .hero-cinema {
        height: 60svh;
        min-height: 29rem;
    }

    .device-wrap {
        width: min(52vw, 14.5rem);
        margin-top: -47svh;
        margin-bottom: 1.5rem;
    }

    .hero-index a {
        min-height: 4.9rem;
    }

    .story-chapter {
        padding-block: 3.5rem;
        gap: 2rem;
    }

    .story-nav a {
        font-size: 0.78rem;
    }

    .chapter-copy {
        padding-block: 0;
    }

    .chapter-copy h3,
    .story-chapter--agent .chapter-copy h3 {
        font-size: clamp(2.2rem, 10.8vw, 3.35rem);
    }

    .chapter-copy p {
        margin-top: 1.1rem;
        font-size: 0.98rem;
        line-height: 1.6;
    }

    .chapter-number {
        font-size: 0.75rem;
    }

    .agent-capabilities dt {
        font-size: 0.75rem;
    }

    .agent-capabilities dd {
        font-size: 0.875rem;
        line-height: 1.5;
    }

    .chapter-visual {
        height: min(67svh, 36rem);
        min-height: 27rem;
        margin-top: 2rem;
    }

    .chapter-scene-numeral {
        right: 1rem;
        bottom: 0.75rem;
        font-size: clamp(7rem, 36vw, 10rem);
    }

    .chapter-scene-meter {
        top: 1rem;
        right: 1rem;
        width: 6.5rem;
    }

    .agent-dossier {
        margin-top: 1rem;
    }

    .agent-dossier-intro {
        padding-block: 2.75rem;
    }

    .agent-dossier-intro h4 {
        max-width: 12ch;
        font-size: clamp(2.25rem, 10.5vw, 3rem);
        line-height: 1.02;
    }

    .agent-dossier-intro p {
        margin-top: 1.25rem;
        font-size: 0.96rem;
        line-height: 1.62;
    }

    .agent-signal-statement {
        padding-block: 2.75rem;
        gap: 1.75rem;
    }

    .agent-signal-count {
        font-size: clamp(6.75rem, 30vw, 8.5rem);
    }

    .agent-memory {
        padding-block: 3rem;
        gap: 2rem;
    }

    .agent-memory-label {
        margin-bottom: 2rem;
    }

    .agent-memory-examples li {
        padding-block: 0.9rem;
    }

    .agent-signal-groups,
    .agent-flow,
    .agent-knowledge,
    .agent-modes,
    .agent-prompt-list {
        display: grid;
        width: 100%;
        min-width: 0;
        padding-bottom: 0.75rem;
        overflow-x: auto;
        grid-template-columns: none;
        grid-auto-columns: calc(100vw - (2 * var(--page-gutter)) - 1.5rem);
        grid-auto-flow: column;
        column-gap: 0.75rem;
        scroll-snap-type: x mandatory;
        overscroll-behavior-inline: contain;
        scrollbar-width: none;
    }

    .agent-signal-groups::-webkit-scrollbar,
    .agent-flow::-webkit-scrollbar,
    .agent-knowledge::-webkit-scrollbar,
    .agent-modes::-webkit-scrollbar,
    .agent-prompt-list::-webkit-scrollbar {
        display: none;
    }

    .agent-signal-groups > div,
    .agent-flow li,
    .agent-context,
    .agent-actions,
    .agent-modes-intro,
    .agent-mode,
    .agent-prompt-list li {
        min-height: 0;
        border-right: 1px solid var(--line);
        border-bottom: 0;
        scroll-snap-align: start;
    }

    .agent-signal-groups > div {
        min-height: 15rem;
        padding: 1.5rem;
    }

    .agent-signal-groups dt,
    .agent-flow-number,
    .agent-mode > span {
        margin-bottom: 2rem;
    }

    .agent-flow li {
        min-height: 17rem;
        padding: 1.5rem;
    }

    .agent-context,
    .agent-actions {
        min-height: 42rem;
        padding: 2.75rem 1.5rem;
    }

    .agent-context {
        border-bottom: 0;
    }

    .agent-context-list,
    .agent-action-list {
        margin-top: 2rem;
    }

    .agent-context-list > div,
    .agent-action-list li {
        padding-block: 0.8rem;
        grid-template-columns: minmax(6.5rem, 0.75fr) minmax(0, 1.25fr);
        gap: 0.75rem;
    }

    .agent-modes-intro,
    .agent-mode {
        min-height: 22rem;
        padding: 2.25rem 1.5rem;
    }

    .agent-modes-intro {
        grid-column: auto;
    }

    .agent-prompts {
        padding-top: 3.5rem;
    }

    .agent-prompt-list {
        margin-top: 2.25rem;
    }

    .agent-prompt-list li {
        min-height: 11rem;
        padding: 1.5rem;
    }

    .step,
    .step:nth-child(2) {
        min-height: 12.5rem;
    }

    .step-number {
        margin-bottom: 2rem;
    }

    .download-inner {
        padding-block: 4.5rem;
    }

    .footer-columns {
        margin-top: 3rem;
    }

    .footer-bottom {
        margin-top: 4rem;
    }
}

html.motion-ready [data-reveal] {
    --reveal-delay: 0ms;
    opacity: 0;
    transform: translate3d(0, 0.75rem, 0);
    transition:
        opacity 520ms var(--ease-out) var(--reveal-delay),
        transform 520ms var(--ease-out) var(--reveal-delay);
}

html.motion-ready [data-reveal].is-revealed {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

html.motion-ready .hero-device[data-reveal],
html.motion-ready .chapter-visual[data-reveal],
html.motion-ready .download-device[data-reveal] {
    --reveal-delay: 80ms;
    transform: translate3d(0, 0.6rem, 0) scale(0.99);
}

html.motion-ready .hero-device[data-reveal].is-revealed,
html.motion-ready .chapter-visual[data-reveal].is-revealed,
html.motion-ready .download-device[data-reveal].is-revealed {
    transform: translate3d(0, 0, 0) scale(1);
}

html.motion-ready [data-reveal]:not(.is-revealed) {
    will-change: opacity, transform;
}

[data-type-title] .type-word {
    display: inline-block;
}

[data-type-title] .type-char {
    display: inline-block;
}

html.motion-ready [data-type-title] .type-char {
    opacity: 0;
    transform: translate3d(0, 0.3em, 0);
    transition:
        opacity 220ms var(--ease-out),
        transform 260ms var(--ease-out);
    transition-delay: calc(var(--char-index) * var(--char-delay));
}

html.motion-ready [data-type-title].is-typed .type-char {
    opacity: 1;
    transform: translate3d(0, 0, 0);
}

html.motion-ready [data-type-title].is-typing::after {
    display: inline-block;
    width: 1px;
    height: 0.82em;
    margin-left: 0.08em;
    content: "";
    background: currentColor;
    animation: type-caret 640ms steps(1, end) infinite;
    vertical-align: -0.04em;
}

html.motion-ready .hero-title[data-type-title].is-typing::after {
    display: none;
}

@keyframes type-caret {
    50% { opacity: 0; }
}

@media (max-width: 63.99rem), (pointer: coarse) {
    .story-nav-progress {
        display: none;
    }
}

@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;
    }

    .hero {
        min-height: auto;
    }

    .hero-sticky,
    .story-chapter-stage .chapter-copy,
    .story-chapter-stage .chapter-visual,
    .faq-intro {
        position: relative;
        top: auto;
    }

    .story-chapter-stage {
        min-height: auto;
    }

    .story-chapter-stage::after {
        height: 0;
    }

    .hero-device,
    .device {
        transform: none !important;
    }

    .hero-cinema,
    .hero-cinema picture img,
    .chapter-visual::before,
    .chapter-visual::after,
    .chapter-scene-numeral,
    .chapter-scene-meter span {
        animation: none !important;
        transform: none !important;
    }

    .hero-cinema picture img,
    .chapter-background img {
        transform: scale(1.04) !important;
    }

    .chapter-visual::before {
        opacity: 0.46;
    }

    .chapter-visual::after {
        opacity: 0.62;
    }

    .agent-screen--one {
        opacity: 1 !important;
        transform: none !important;
    }

    .agent-screen--two,
    .agent-screen--three {
        display: none;
    }

    [data-reveal] {
        opacity: 1 !important;
        transform: none !important;
    }

    [data-type-title] .type-char {
        opacity: 1 !important;
        transform: none !important;
    }

    [data-type-title]::after {
        display: none !important;
    }

    .manifesto-video,
    .download video {
        display: none;
    }
}

@media (prefers-reduced-transparency: reduce) {
    .site-header.is-scrolled,
    .site-header.menu-active,
    .story-nav,
    .locale-menu,
    .store-link {
        background: #0a0a0f;
        backdrop-filter: none;
    }
}

@media (prefers-contrast: more) {
    :root {
        --ink-soft: #dedee5;
        --ink-quiet: #bdbdc6;
        --line: rgba(245, 245, 247, 0.44);
        --line-strong: rgba(245, 245, 247, 0.72);
    }
}

@media (forced-colors: active) {
    .hero-cinema::before,
    .chapter-visual::after,
    .download::before {
        display: none;
    }

    .button,
    .device,
    .story-nav,
    .step,
    .faq-item {
        border: 1px solid CanvasText;
    }
}