.site-main:has(.homepage-preview) {
    max-width: none;
    padding: 0;
}

.site-main:has(.homepage-preview) section {
    margin-bottom: 0;
}

.homepage-preview {
    --preview-ink: var(--text);
    --preview-paper: var(--bg);
    --preview-muted: var(--muted);
    --preview-line: var(--line);
    --preview-accent: var(--accent);
    color: var(--preview-ink);
    background: var(--preview-paper);
}

.preview-hero,
.preview-directions,
.preview-position {
    width: min(100% - 48px, 1180px);
    margin-inline: auto;
}

.preview-hero {
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(320px, 0.88fr);
    gap: clamp(40px, 7vw, 108px);
    align-items: center;
    min-height: min(880px, calc(100vh - 120px));
    padding-block: clamp(72px, 11vw, 150px);
}

.preview-eyebrow {
    margin: 0 0 22px;
    color: var(--preview-accent);
    font-family: var(--font-interface);
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    line-height: 1.4;
    text-transform: uppercase;
}

.preview-hero h1 {
    max-width: 850px;
    margin-bottom: 32px;
    font-size: clamp(3.4rem, 7.4vw, 7.7rem);
    line-height: 0.91;
    letter-spacing: -0.055em;
}

.preview-hero__lead {
    max-width: 690px;
    margin: 0;
    color: var(--preview-muted);
    font-size: clamp(1.08rem, 1.7vw, 1.42rem);
    line-height: 1.55;
}

.preview-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
    margin-top: 40px;
}

.preview-button {
    display: inline-flex;
    min-height: 52px;
    align-items: center;
    justify-content: center;
    padding: 12px 20px;
    border: 1px solid var(--preview-accent);
    background: var(--preview-accent);
    color: var(--bg);
    font-family: var(--font-interface);
    font-weight: 600;
}

.preview-button:hover {
    color: var(--bg);
    text-decoration: none;
    transform: translateY(-2px);
}

.preview-button--secondary {
    background: transparent;
    color: var(--preview-ink);
}

.preview-button--secondary:hover {
    color: var(--preview-ink);
}

.preview-portrait {
    position: relative;
    margin: 0;
}

.preview-portrait::before {
    position: absolute;
    inset: 7% -8% -7% 14%;
    z-index: 0;
    border: 1px solid var(--preview-line);
    content: "";
}

.preview-portrait img {
    position: relative;
    z-index: 1;
    display: block;
    width: 100%;
    max-height: 700px;
    object-fit: cover;
    object-position: 50% 35%;
    filter: saturate(0.82) contrast(1.03);
}

.preview-convergence {
    min-height: 210vh;
    border-block: 1px solid var(--preview-line);
    background: var(--surface);
}

.preview-convergence__sticky {
    position: sticky;
    top: 0;
    display: grid;
    min-height: 100vh;
    align-content: center;
    justify-items: center;
    padding: 80px 24px;
    text-align: center;
}

.preview-convergence__title {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.12em 0.28em;
    max-width: 1280px;
    margin: 0;
    font-size: clamp(3.2rem, 9vw, 9.5rem);
    line-height: 0.92;
    letter-spacing: -0.055em;
}

.preview-convergence__title span {
    opacity: 0.22;
    transform: translateY(22px);
    transition:
        opacity 600ms ease,
        transform 600ms ease;
}

.preview-convergence__title span.is-active {
    opacity: 1;
    transform: translateY(0);
}

.preview-convergence__statement {
    max-width: 760px;
    margin: 46px auto 0;
    color: var(--preview-muted);
    font-size: clamp(1.05rem, 1.8vw, 1.35rem);
    line-height: 1.6;
}

.preview-directions {
    padding-block: clamp(90px, 13vw, 180px);
}

.preview-section-heading {
    display: grid;
    grid-template-columns: 0.7fr 1.3fr;
    gap: 40px;
    margin-bottom: clamp(70px, 10vw, 130px);
}

.preview-section-heading h2 {
    max-width: 780px;
    margin: 0;
    font-size: clamp(2.8rem, 6vw, 6rem);
    line-height: 0.98;
    letter-spacing: -0.045em;
}

.preview-direction {
    display: grid;
    grid-template-columns: minmax(70px, 0.28fr) minmax(0, 1.72fr);
    gap: clamp(28px, 7vw, 100px);
    min-height: 72vh;
    align-items: center;
    padding-block: clamp(70px, 10vw, 140px);
    border-top: 1px solid var(--preview-line);
    opacity: 0.35;
    transform: translateY(70px);
    transition:
        opacity 800ms ease,
        transform 800ms ease;
}

.preview-direction.is-visible,
.preview-position.is-visible {
    opacity: 1;
    transform: translateY(0);
}

.preview-direction__number {
    align-self: start;
    margin: 7px 0 0;
    color: var(--preview-accent);
    font-size: 0.85rem;
    font-variant-numeric: tabular-nums;
}

.preview-direction h3 {
    max-width: 900px;
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 7rem);
    font-weight: 400;
    line-height: 0.95;
    letter-spacing: -0.05em;
}

.preview-direction p:not(.preview-eyebrow):not(.preview-direction__number) {
    max-width: 690px;
    color: var(--preview-muted);
    font-size: clamp(1.05rem, 1.7vw, 1.35rem);
    line-height: 1.6;
}

.preview-direction a {
    display: inline-block;
    margin-top: 18px;
    font-weight: 600;
}

.preview-position {
    min-height: 100vh;
    padding-block: clamp(100px, 14vw, 190px);
    border-top: 1px solid var(--preview-line);
    opacity: 0.35;
    transform: translateY(70px);
    transition:
        opacity 800ms ease,
        transform 800ms ease;
}

.preview-position__line {
    max-width: 850px;
    margin: 0 0 32px;
    color: var(--preview-muted);
    font-size: clamp(1.15rem, 2vw, 1.6rem);
    line-height: 1.5;
}

.preview-position__line--large {
    max-width: 1080px;
    color: var(--preview-ink);
    font-family: var(--font-display);
    font-size: clamp(3rem, 7vw, 7.4rem);
    line-height: 0.97;
    letter-spacing: -0.05em;
}

.preview-position__links {
    display: flex;
    flex-wrap: wrap;
    gap: 20px 34px;
    margin-top: 62px;
}

@media (max-width: 820px) {
    .preview-hero {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .preview-hero h1 {
        font-size: clamp(3.25rem, 15vw, 6.2rem);
    }

    .preview-portrait {
        width: min(82vw, 520px);
        margin-inline: auto;
    }

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

    .preview-direction {
        grid-template-columns: 1fr;
        min-height: auto;
    }
}

@media (max-width: 520px) {
    .preview-hero,
    .preview-directions,
    .preview-position {
        width: min(100% - 32px, 1180px);
    }

    .preview-actions {
        display: grid;
    }

    .preview-button {
        width: 100%;
    }

    .preview-convergence__title {
        display: grid;
    }

    .preview-convergence__title span[aria-hidden="true"] {
        display: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .preview-button,
    .preview-convergence__title span,
    .preview-direction,
    .preview-position {
        transition: none;
    }

    .preview-direction,
    .preview-position {
        opacity: 1;
        transform: none;
    }
}


/* SCROLLYTELLING ENHANCEMENT */

.homepage-preview {
    --hero-progress: 0;
    --convergence-progress: 0;
}

.preview-hero {
    position: relative;
    perspective: 1200px;
}

.preview-hero__copy {
    position: relative;
    z-index: 2;
    will-change: transform, opacity;
}

.preview-portrait {
    will-change: transform, opacity;
}

.preview-hero__copy,
.preview-portrait,
.preview-convergence__title,
.preview-convergence__statement {
    backface-visibility: hidden;
}

.preview-convergence__sticky {
    overflow: hidden;
}

.preview-convergence__sticky::before,
.preview-convergence__sticky::after {
    position: absolute;
    width: min(32vw, 460px);
    aspect-ratio: 1;
    border: 1px solid var(--preview-line);
    border-radius: 50%;
    content: "";
    opacity: 0.34;
    pointer-events: none;
    will-change: transform, opacity;
}

.preview-convergence__sticky::before {
    top: 8%;
    left: -12%;
    transform:
        translate3d(
            calc(var(--convergence-progress) * 14vw),
            calc(var(--convergence-progress) * 14vh),
            0
        )
        scale(
            calc(0.7 + var(--convergence-progress) * 0.35)
        );
}

.preview-convergence__sticky::after {
    right: -10%;
    bottom: 5%;
    transform:
        translate3d(
            calc(var(--convergence-progress) * -14vw),
            calc(var(--convergence-progress) * -12vh),
            0
        )
        scale(
            calc(1.08 - var(--convergence-progress) * 0.25)
        );
}

.preview-convergence__title,
.preview-convergence__statement,
.preview-convergence__sticky > .preview-eyebrow {
    position: relative;
    z-index: 1;
}

.preview-convergence__title [data-preview-word] {
    display: inline-block;
    will-change: transform, opacity;
}

.preview-convergence__statement {
    opacity: 0.3;
    transform: translateY(30px);
    transition:
        opacity 500ms ease,
        transform 500ms ease;
}

.preview-convergence__statement.is-active {
    opacity: 1;
    transform: translateY(0);
}

.preview-direction {
    position: relative;
    overflow: hidden;
}

.preview-direction::after {
    position: absolute;
    inset: auto 0 0;
    height: 1px;
    background: var(--preview-accent);
    content: "";
    opacity: 0.72;
    transform: scaleX(0);
    transform-origin: left;
    transition: transform 900ms ease 160ms;
}

.preview-direction.is-visible::after {
    transform: scaleX(1);
}

.preview-direction h3,
.preview-direction p,
.preview-direction a {
    transition:
        transform 800ms ease,
        opacity 800ms ease;
}

.preview-direction:not(.is-visible) h3,
.preview-direction:not(.is-visible) p,
.preview-direction:not(.is-visible) a {
    opacity: 0;
    transform: translateY(24px);
}

.preview-scroll-cue {
    position: absolute;
    right: 0;
    bottom: clamp(28px, 5vw, 60px);
    z-index: 3;
    display: grid;
    grid-template-columns: auto 1px;
    gap: 14px;
    align-items: center;
    color: var(--preview-muted);
    font-family: var(--font-interface);
    font-size: 0.72rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    writing-mode: vertical-rl;
}

.preview-scroll-cue::after {
    width: 1px;
    height: 76px;
    background:
        linear-gradient(
            to bottom,
            var(--preview-accent) 0 50%,
            var(--preview-line) 50% 100%
        );
    background-size: 100% 200%;
    content: "";
    animation: preview-scroll-cue 1800ms ease-in-out infinite;
}

@keyframes preview-scroll-cue {
    0% {
        background-position: 0 100%;
    }

    50% {
        background-position: 0 0;
    }

    100% {
        background-position: 0 -100%;
    }
}

@media (max-width: 820px) {
    .preview-scroll-cue {
        display: none;
    }

    .preview-convergence {
        min-height: 100vh;
    }

    .preview-convergence__sticky::before,
    .preview-convergence__sticky::after {
        width: 58vw;
    }
}

@media (prefers-reduced-motion: reduce) {
    .preview-scroll-cue::after {
        animation: none;
    }

    .preview-hero__copy,
    .preview-portrait,
    .preview-convergence__title [data-preview-word],
    .preview-convergence__statement {
        opacity: 1 !important;
        transform: none !important;
    }
}


/* DIRECTION COLOR SCENES */

.preview-directions {
    width: 100%;
    padding-bottom: 0;
}

.preview-section-heading {
    width: min(100% - 48px, 1180px);
    margin-inline: auto;
}

.preview-direction {
    box-sizing: border-box;
    width: 100%;
    min-height: 100vh;
    margin: 0;
    padding-inline:
        max(24px, calc((100vw - 1180px) / 2));
    border-top: 0;
    opacity: 1;
    transition:
        background-color 900ms ease,
        color 900ms ease;
}

.preview-direction--psychology {
    --scene-text: #fff8f2;
    --scene-muted: #f4d8cb;
    --scene-accent: #ffd0ad;
    --scene-line: rgb(255 240 228 / 0.34);
    background:
        radial-gradient(
            circle at 82% 22%,
            rgb(255 210 179 / 0.17),
            transparent 31%
        ),
        linear-gradient(
            135deg,
            #7f392d 0%,
            #9d4d39 48%,
            #b46148 100%
        );
    color: var(--scene-text);
}

.preview-direction--systems {
    --scene-text: #f4f7f6;
    --scene-muted: #c5d0d2;
    --scene-accent: #c7d9d5;
    --scene-line: rgb(218 235 232 / 0.27);
    background:
        radial-gradient(
            circle at 14% 74%,
            rgb(118 158 160 / 0.18),
            transparent 34%
        ),
        linear-gradient(
            135deg,
            #111c22 0%,
            #1b2b32 52%,
            #263940 100%
        );
    color: var(--scene-text);
}

.preview-direction--psychology .preview-eyebrow,
.preview-direction--psychology
.preview-direction__number,
.preview-direction--psychology a,
.preview-direction--systems .preview-eyebrow,
.preview-direction--systems
.preview-direction__number,
.preview-direction--systems a {
    color: var(--scene-accent);
}

.preview-direction--psychology
p:not(.preview-eyebrow):not(.preview-direction__number),
.preview-direction--systems
p:not(.preview-eyebrow):not(.preview-direction__number) {
    color: var(--scene-muted);
}

.preview-direction--psychology h3,
.preview-direction--systems h3 {
    color: var(--scene-text);
}

.preview-direction--psychology::before,
.preview-direction--systems::before {
    position: absolute;
    z-index: 0;
    border: 1px solid var(--scene-line);
    border-radius: 50%;
    content: "";
    opacity: 0;
    pointer-events: none;
    transform: scale(0.76);
    transition:
        opacity 1100ms ease,
        transform 1400ms cubic-bezier(0.16, 1, 0.3, 1);
}

.preview-direction--psychology::before {
    top: 12%;
    right: -8vw;
    width: min(42vw, 620px);
    aspect-ratio: 1;
}

.preview-direction--systems::before {
    bottom: 7%;
    left: -10vw;
    width: min(46vw, 680px);
    aspect-ratio: 1;
    border-radius: 12%;
    transform: rotate(-8deg) scale(0.76);
}

.preview-direction--psychology.is-visible::before {
    opacity: 0.65;
    transform: scale(1);
}

.preview-direction--systems.is-visible::before {
    opacity: 0.5;
    transform: rotate(-8deg) scale(1);
}

.preview-direction > * {
    position: relative;
    z-index: 1;
}

.preview-direction::after {
    right:
        max(24px, calc((100vw - 1180px) / 2));
    left:
        max(24px, calc((100vw - 1180px) / 2));
    background: var(--scene-accent);
}

.preview-direction a {
    padding-bottom: 5px;
    border-bottom: 1px solid currentColor;
}

.preview-direction a:hover {
    color: var(--scene-text);
    text-decoration: none;
}

.preview-position {
    width: min(100% - 48px, 1180px);
    margin-inline: auto;
}

@media (max-width: 820px) {
    .preview-section-heading {
        width: min(100% - 32px, 1180px);
    }

    .preview-direction {
        min-height: 86vh;
        padding-inline: 24px;
    }

    .preview-direction--psychology::before {
        top: 7%;
        right: -28vw;
        width: 80vw;
    }

    .preview-direction--systems::before {
        bottom: 8%;
        left: -34vw;
        width: 86vw;
    }
}

@media (prefers-reduced-motion: reduce) {
    .preview-direction--psychology::before,
    .preview-direction--systems::before {
        opacity: 0.35;
        transition: none;
    }

    .preview-direction--psychology::before {
        transform: none;
    }

    .preview-direction--systems::before {
        transform: rotate(-8deg);
    }
}


/* PSYCHOLOGY PSI EMBLEM */

.preview-direction--psychology::before {
    top: 50%;
    right: -0.09em;
    bottom: auto;
    width: auto;
    aspect-ratio: auto;
    border: 0;
    border-radius: 0;
    color: rgb(255 240 228 / 0.035);
    content: "Ψ";
    font-family:
        Georgia,
        "Times New Roman",
        serif;
    font-size: clamp(24rem, 56vw, 54rem);
    font-weight: 400;
    line-height: 0.75;
    opacity: 0;
    transform:
        translate3d(18%, -48%, 0)
        scale(0.82);
    -webkit-text-stroke:
        1px
        var(--scene-line);
    transition:
        opacity 1100ms ease,
        transform 1500ms cubic-bezier(
            0.16,
            1,
            0.3,
            1
        );
}

.preview-direction--psychology.is-visible::before {
    opacity: 0.72;
    transform:
        translate3d(8%, -48%, 0)
        scale(1);
}

@media (max-width: 820px) {
    .preview-direction--psychology::before {
        top: 48%;
        right: -0.18em;
        width: auto;
        font-size: clamp(25rem, 112vw, 42rem);
        transform:
            translate3d(20%, -50%, 0)
            scale(0.86);
    }

    .preview-direction--psychology.is-visible::before {
        transform:
            translate3d(12%, -50%, 0)
            scale(1);
    }
}

@media (prefers-reduced-motion: reduce) {
    .preview-direction--psychology::before,
    .preview-direction--psychology.is-visible::before {
        opacity: 0.52;
        transform:
            translate3d(8%, -48%, 0)
            scale(1);
    }
}


/* SYSTEM ARCHITECTURE EMBLEM */

.preview-direction--systems::before {
    display: none;
    content: none;
}

.preview-system-emblem {
    position: absolute;
    top: 50%;
    left: -5vw;
    z-index: 0;
    display: block;
    width: min(48vw, 700px);
    height: auto;
    overflow: visible;
    opacity: 0.72;
    pointer-events: none;
    transform:
        translate3d(-8%, -50%, 0)
        scale(0.92);
    transition:
        opacity 1000ms ease,
        transform 1500ms cubic-bezier(
            0.16,
            1,
            0.3,
            1
        );
}

.preview-direction--systems.is-visible
.preview-system-emblem {
    opacity: 1;
    transform:
        translate3d(0, -50%, 0)
        scale(1);
}

.preview-system-emblem__connections path,
.preview-system-emblem__modules rect,
.preview-system-emblem__core circle,
.preview-system-emblem__core path {
    vector-effect: non-scaling-stroke;
}

.preview-system-emblem__connections path {
    fill: none;
    stroke: var(--scene-line);
    stroke-width: 1;
    stroke-dasharray: 520;
    stroke-dashoffset: 520;
    transition:
        stroke-dashoffset 1500ms
        cubic-bezier(0.16, 1, 0.3, 1);
}

.preview-direction--systems.is-visible
.preview-system-emblem__connections path {
    stroke-dashoffset: 0;
}

.preview-system-emblem__connections path:nth-child(2) {
    transition-delay: 100ms;
}

.preview-system-emblem__connections path:nth-child(3) {
    transition-delay: 180ms;
}

.preview-system-emblem__connections path:nth-child(4) {
    transition-delay: 260ms;
}

.preview-system-emblem__connections path:nth-child(5) {
    transition-delay: 340ms;
}

.preview-system-emblem__connections path:nth-child(6) {
    transition-delay: 420ms;
}

.preview-system-emblem__module {
    fill: rgb(199 217 213 / 0.025);
    stroke: var(--scene-line);
    stroke-width: 1;
    opacity: 0;
    transform: scale(0.72);
    transform-box: fill-box;
    transform-origin: center;
    transition:
        opacity 700ms ease,
        transform 1100ms cubic-bezier(
            0.16,
            1,
            0.3,
            1
        );
}

.preview-direction--systems.is-visible
.preview-system-emblem__module {
    opacity: 1;
    transform: scale(1);
}

.preview-system-emblem__module--core {
    fill: rgb(199 217 213 / 0.065);
    stroke: var(--scene-accent);
}

.preview-system-emblem__module:nth-child(2) {
    transition-delay: 120ms;
}

.preview-system-emblem__module:nth-child(3) {
    transition-delay: 200ms;
}

.preview-system-emblem__module:nth-child(4) {
    transition-delay: 280ms;
}

.preview-system-emblem__module:nth-child(5) {
    transition-delay: 360ms;
}

.preview-system-emblem__module:nth-child(6) {
    transition-delay: 440ms;
}

.preview-system-emblem__module:nth-child(7) {
    transition-delay: 520ms;
}

.preview-system-emblem__core circle {
    fill: var(--scene-accent);
    opacity: 0;
    transition: opacity 600ms ease 650ms;
}

.preview-system-emblem__core path {
    fill: none;
    stroke: var(--scene-accent);
    stroke-width: 1;
    opacity: 0;
    transition: opacity 600ms ease 760ms;
}

.preview-direction--systems.is-visible
.preview-system-emblem__core circle,
.preview-direction--systems.is-visible
.preview-system-emblem__core path {
    opacity: 0.75;
}

.preview-direction--systems
> .preview-direction__number,
.preview-direction--systems
> div {
    position: relative;
    z-index: 1;
}

@media (max-width: 820px) {
    .preview-system-emblem {
        top: 51%;
        left: -39vw;
        width: 104vw;
        opacity: 0.45;
    }

    .preview-direction--systems.is-visible
    .preview-system-emblem {
        opacity: 0.62;
    }
}

@media (prefers-reduced-motion: reduce) {
    .preview-system-emblem,
    .preview-direction--systems.is-visible
    .preview-system-emblem {
        opacity: 0.6;
        transform:
            translate3d(0, -50%, 0)
            scale(1);
        transition: none;
    }

    .preview-system-emblem__connections path {
        stroke-dashoffset: 0;
        transition: none;
    }

    .preview-system-emblem__module {
        opacity: 1;
        transform: scale(1);
        transition: none;
    }

    .preview-system-emblem__core circle,
    .preview-system-emblem__core path {
        opacity: 0.7;
        transition: none;
    }
}


/* STORY NAVIGATION AND TRANSITIONS */

.preview-portrait img {
    clip-path:
        inset(
            0
            var(--portrait-mask-right, 22%)
            0
            0
        );
    transition:
        clip-path 120ms linear;
}

.preview-story-nav {
    position: fixed;
    top: 50%;
    right: 18px;
    z-index: 20;
    display: grid;
    gap: 4px;
    padding: 10px 8px;
    border: 1px solid rgb(128 128 128 / 0.2);
    border-radius: 999px;
    background: color-mix(
        in srgb,
        var(--bg) 82%,
        transparent
    );
    backdrop-filter: blur(12px);
    transform: translateY(-50%);
}

.preview-story-nav a {
    position: relative;
    display: grid;
    width: 30px;
    height: 30px;
    place-items: center;
    border-radius: 50%;
    color: var(--muted);
    font-family: var(--font-interface);
    font-size: 0.65rem;
    text-decoration: none;
    transition:
        background-color 250ms ease,
        color 250ms ease,
        transform 250ms ease;
}

.preview-story-nav a::before {
    position: absolute;
    inset: 4px;
    border: 1px solid currentColor;
    border-radius: 50%;
    content: "";
    opacity: 0.28;
    transition:
        opacity 250ms ease,
        transform 250ms ease;
}

.preview-story-nav a b {
    position: absolute;
    right: 42px;
    padding: 6px 9px;
    border: 1px solid var(--line);
    background: var(--surface);
    color: var(--text);
    font-size: 0.72rem;
    font-weight: 500;
    letter-spacing: normal;
    opacity: 0;
    pointer-events: none;
    transform: translateX(8px);
    transition:
        opacity 200ms ease,
        transform 200ms ease;
    white-space: nowrap;
}

.preview-story-nav a:hover b,
.preview-story-nav a:focus-visible b {
    opacity: 1;
    transform: translateX(0);
}

.preview-story-nav a.is-active {
    background: var(--accent);
    color: var(--bg);
    transform: scale(1.08);
}

.preview-story-nav a.is-active::before {
    opacity: 0;
    transform: scale(1.4);
}

.preview-direction-bridge {
    position: relative;
    display: grid;
    width: 100%;
    min-height: 92vh;
    place-items: center;
    overflow: hidden;
    padding: 80px 24px;
    background:
        linear-gradient(
            135deg,
            #9d4d39 0%,
            #73463f 36%,
            #354048 68%,
            #1b2b32 100%
        );
    color: #fff8f2;
    opacity: 1;
}

.preview-direction-bridge::before,
.preview-direction-bridge::after {
    position: absolute;
    width: min(42vw, 580px);
    aspect-ratio: 1;
    border: 1px solid rgb(255 245 238 / 0.22);
    content: "";
    opacity: 0;
    transition:
        opacity 900ms ease,
        transform 1400ms cubic-bezier(
            0.16,
            1,
            0.3,
            1
        );
}

.preview-direction-bridge::before {
    left: -13vw;
    border-radius: 50%;
    transform:
        translateX(-80px)
        scale(0.8);
}

.preview-direction-bridge::after {
    right: -13vw;
    border-radius: 12%;
    transform:
        translateX(80px)
        rotate(-8deg)
        scale(0.8);
}

.preview-direction-bridge.is-visible::before {
    opacity: 0.65;
    transform:
        translateX(0)
        scale(1);
}

.preview-direction-bridge.is-visible::after {
    opacity: 0.55;
    transform:
        translateX(0)
        rotate(-8deg)
        scale(1);
}

.preview-direction-bridge p {
    position: relative;
    z-index: 1;
    max-width: 1080px;
    margin: 0;
    font-family: var(--font-display);
    font-size: clamp(3.4rem, 8vw, 8.5rem);
    font-weight: 400;
    line-height: 0.95;
    letter-spacing: -0.055em;
    text-align: center;
}

.preview-direction-bridge p span {
    display: block;
    margin-top: 0.18em;
    color: #d5e1df;
}

.preview-final-symbols {
    position: relative;
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: min(100%, 920px);
    min-height: 240px;
    align-items: center;
    margin: 0 0 72px;
    overflow: hidden;
    border-block: 1px solid var(--line);
    opacity: 0;
    transform: translateY(36px);
    transition:
        opacity 900ms ease,
        transform 1100ms cubic-bezier(
            0.16,
            1,
            0.3,
            1
        );
}

.preview-position.is-visible
.preview-final-symbols {
    opacity: 1;
    transform: translateY(0);
}

.preview-final-symbols::after {
    position: absolute;
    top: 15%;
    bottom: 15%;
    left: 50%;
    width: 1px;
    background: var(--line);
    content: "";
}

.preview-final-symbols__psi {
    justify-self: center;
    color: transparent;
    font-family:
        Georgia,
        "Times New Roman",
        serif;
    font-size: clamp(9rem, 17vw, 14rem);
    line-height: 1;
    -webkit-text-stroke:
        1px
        var(--accent);
}

.preview-final-symbols__system {
    justify-self: center;
    width: min(82%, 310px);
    fill: none;
    stroke: var(--muted);
    stroke-width: 1;
    vector-effect: non-scaling-stroke;
}

.preview-final-symbols__system rect {
    fill: var(--surface-soft);
}

@media (max-width: 820px) {
    .preview-story-nav {
        right: 8px;
        padding: 7px 5px;
    }

    .preview-story-nav a {
        width: 26px;
        height: 26px;
        font-size: 0.58rem;
    }

    .preview-story-nav a b {
        display: none;
    }

    .preview-direction-bridge {
        min-height: 76vh;
    }

    .preview-direction-bridge::before,
    .preview-direction-bridge::after {
        width: 70vw;
    }

    .preview-final-symbols {
        min-height: 190px;
        margin-bottom: 52px;
    }
}

@media (max-width: 520px) {
    .preview-story-nav {
        top: auto;
        right: 50%;
        bottom: 10px;
        grid-auto-flow: column;
        transform: translateX(50%);
    }

    .preview-direction-bridge p {
        font-size: clamp(3rem, 14vw, 5.2rem);
    }

    .preview-final-symbols__psi {
        font-size: 7rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .preview-portrait img {
        clip-path: none;
        transition: none;
    }

    .preview-direction-bridge::before,
    .preview-direction-bridge::after,
    .preview-final-symbols {
        opacity: 0.55;
        transform: none;
        transition: none;
    }

    .preview-final-symbols {
        opacity: 1;
    }
}


/* PLATFORM SCROLL CASE */

.preview-platform-case {
    position: relative;
    min-height: 430vh;
    margin: 0;
    background:
        linear-gradient(
            145deg,
            #eee9df 0%,
            #ded8cc 100%
        );
    color: #171a1c;
}

.preview-platform-case__sticky {
    position: sticky;
    top: 0;
    display: grid;
    grid-template-columns:
        minmax(300px, 0.8fr)
        minmax(520px, 1.2fr);
    gap: clamp(44px, 7vw, 100px);
    width: min(100% - 48px, 1280px);
    min-height: 100vh;
    align-items: center;
    margin-inline: auto;
    padding-block: 64px;
}

.preview-platform-case__copy h2 {
    margin-bottom: 22px;
    font-size: clamp(3rem, 6vw, 6.4rem);
    line-height: 0.94;
    letter-spacing: -0.05em;
}

.preview-platform-case__lead {
    max-width: 580px;
    color: #555b5e;
    font-size: 1.12rem;
    line-height: 1.55;
}

.preview-platform-steps {
    display: grid;
    gap: 0;
    margin: 42px 0 0;
    padding: 0;
    list-style: none;
}

.preview-platform-steps li {
    display: grid;
    grid-template-columns: 34px 1fr;
    gap: 15px;
    padding: 15px 0;
    border-top: 1px solid rgb(23 26 28 / 0.18);
    opacity: 0.3;
    transition:
        opacity 350ms ease,
        transform 500ms ease;
}

.preview-platform-steps li.is-active {
    opacity: 1;
    transform: translateX(8px);
}

.preview-platform-steps li > span {
    color: #97513e;
    font-size: 0.72rem;
    font-variant-numeric: tabular-nums;
}

.preview-platform-steps h3 {
    margin: 0 0 5px;
    color: #171a1c;
    font-size: 1rem;
    font-weight: 650;
}

.preview-platform-steps p {
    max-height: 0;
    margin: 0;
    overflow: hidden;
    color: #5c6265;
    font-size: 0.9rem;
    line-height: 1.45;
    opacity: 0;
    transition:
        max-height 500ms ease,
        opacity 400ms ease;
}

.preview-platform-steps li.is-active p {
    max-height: 100px;
    opacity: 1;
}

.preview-platform-window {
    overflow: hidden;
    border: 1px solid rgb(23 26 28 / 0.23);
    border-radius: 18px;
    background: #f7f5ef;
    box-shadow:
        0 30px 90px rgb(39 34 29 / 0.18);
    transform:
        perspective(1300px)
        rotateY(-3deg)
        rotateX(1deg);
}

.preview-platform-window__bar {
    display: flex;
    height: 48px;
    align-items: center;
    gap: 7px;
    padding: 0 17px;
    border-bottom: 1px solid rgb(23 26 28 / 0.15);
    background: #e8e3da;
}

.preview-platform-window__bar > span {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: #aa6755;
}

.preview-platform-window__bar > span:nth-child(2) {
    opacity: 0.65;
}

.preview-platform-window__bar > span:nth-child(3) {
    opacity: 0.35;
}

.preview-platform-window__bar p {
    margin: 0 0 0 10px;
    color: #62686a;
    font-family: var(--font-interface);
    font-size: 0.72rem;
}

.preview-platform-window__body {
    display: grid;
    grid-template-columns: 126px 1fr;
    min-height: 560px;
}

.preview-platform-sidebar {
    display: grid;
    align-content: start;
    gap: 10px;
    padding: 24px 15px;
    border-right: 1px solid rgb(23 26 28 / 0.12);
    background: #202a2f;
    color: #edf1ef;
    font-family: var(--font-interface);
    font-size: 0.72rem;
}

.preview-platform-sidebar strong {
    display: grid;
    width: 38px;
    height: 38px;
    place-items: center;
    margin-bottom: 18px;
    border: 1px solid rgb(255 255 255 / 0.32);
    border-radius: 50%;
    color: #e7bba7;
}

.preview-platform-sidebar span {
    padding: 8px 9px;
    border-radius: 5px;
    opacity: 0.58;
}

.preview-platform-sidebar span.is-active {
    background: rgb(255 255 255 / 0.1);
    opacity: 1;
}

.preview-platform-panels {
    position: relative;
    min-width: 0;
    padding: clamp(28px, 4vw, 54px);
}

.preview-platform-panel {
    position: absolute;
    inset: clamp(28px, 4vw, 54px);
    margin: 0;
    padding: 0;
    border: 0;
    background: transparent;
    color: #171a1c;
    opacity: 0;
    pointer-events: none;
    transform: translateY(26px);
    transition:
        opacity 450ms ease,
        transform 650ms cubic-bezier(
            0.16,
            1,
            0.3,
            1
        );
}

.preview-platform-panel.is-active {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.preview-platform-panel__label {
    margin: 0 0 18px;
    color: #97513e;
    font-family: var(--font-interface);
    font-size: 0.72rem;
    font-weight: 650;
    letter-spacing: 0.13em;
    text-transform: uppercase;
}

.preview-platform-panel h3 {
    max-width: 580px;
    margin: 0 0 38px;
    color: #171a1c;
    font-family: var(--font-display);
    font-size: clamp(2rem, 3.5vw, 3.7rem);
    font-weight: 400;
    line-height: 1;
    letter-spacing: -0.04em;
}

.preview-architecture-map {
    position: relative;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    align-items: center;
    min-height: 250px;
}

.preview-architecture-map span,
.preview-architecture-map strong {
    display: grid;
    min-height: 72px;
    place-items: center;
    padding: 12px;
    border: 1px solid rgb(23 26 28 / 0.2);
    border-radius: 7px;
    color: #303638;
    font-family: var(--font-interface);
    font-size: 0.75rem;
    text-align: center;
}

.preview-architecture-map strong {
    border-color: #97513e;
    background: #97513e;
    color: #fff8f2;
}

.preview-editor {
    padding: 20px;
    border: 1px solid rgb(23 26 28 / 0.16);
    background: #fff;
}

.preview-editor__tools {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 32px;
    padding-bottom: 13px;
    border-bottom: 1px solid rgb(23 26 28 / 0.12);
}

.preview-editor__tools > * {
    margin: 0;
    padding: 4px 7px;
    border: 1px solid rgb(23 26 28 / 0.17);
    color: #4f5557;
    font-size: 0.68rem;
    font-style: normal;
}

.preview-editor__line {
    width: 78%;
    height: 7px;
    margin-bottom: 12px;
    background: #d9d6cf;
}

.preview-editor__line.is-wide {
    width: 94%;
}

.preview-editor__line.is-short {
    width: 52%;
}

.preview-editor__cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
    margin-top: 30px;
}

.preview-editor__cards span {
    height: 90px;
    background: #e9e6df;
}

.preview-account-ui {
    display: grid;
    gap: 12px;
}

.preview-account-ui div {
    display: flex;
    justify-content: space-between;
    gap: 24px;
    padding: 18px;
    border: 1px solid rgb(23 26 28 / 0.14);
    background: #fff;
}

.preview-account-ui span {
    color: #686e70;
    font-size: 0.8rem;
}

.preview-account-ui strong {
    color: #263035;
    font-size: 0.82rem;
    text-align: right;
}

.preview-automation-flow {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
    min-height: 190px;
}

.preview-automation-flow span {
    display: grid;
    min-width: 76px;
    min-height: 64px;
    place-items: center;
    padding: 10px;
    border: 1px solid rgb(23 26 28 / 0.2);
    border-radius: 7px;
    background: #fff;
    color: #303638;
    font-size: 0.7rem;
    text-align: center;
}

.preview-automation-flow i {
    flex: 1;
    height: 1px;
    background: #97513e;
}

@media (max-width: 920px) {
    .preview-platform-case {
        min-height: auto;
    }

    .preview-platform-case__sticky {
        position: static;
        grid-template-columns: 1fr;
        width: min(100% - 32px, 760px);
        padding-block: 90px;
    }

    .preview-platform-steps p {
        max-height: 100px;
        opacity: 1;
    }

    .preview-platform-steps li {
        opacity: 1;
    }

    .preview-platform-window {
        transform: none;
    }
}

@media (max-width: 620px) {
    .preview-platform-window__body {
        grid-template-columns: 1fr;
        min-height: 590px;
    }

    .preview-platform-sidebar {
        grid-auto-flow: column;
        grid-template-columns: auto repeat(4, 1fr);
        padding: 12px;
        border-right: 0;
    }

    .preview-platform-sidebar strong {
        width: 32px;
        height: 32px;
        margin: 0;
    }

    .preview-platform-sidebar span {
        display: none;
    }

    .preview-platform-panels {
        min-height: 520px;
        padding: 24px;
    }

    .preview-platform-panel {
        inset: 24px;
    }

    .preview-automation-flow {
        display: grid;
        grid-template-columns: 1fr;
    }

    .preview-automation-flow i {
        width: 1px;
        height: 18px;
        justify-self: center;
    }
}

@media (prefers-reduced-motion: reduce) {
    .preview-platform-case {
        min-height: auto;
    }

    .preview-platform-case__sticky {
        position: static;
    }

    .preview-platform-panel {
        position: static;
        margin-bottom: 38px;
        opacity: 1;
        transform: none;
    }
}


/* PREMIUM TYPOGRAPHY SYSTEM */

.homepage-preview {
    font-family:
        "Golos Text",
        Arial,
        sans-serif;
    font-synthesis: none;
}

.homepage-preview h1,
.homepage-preview h2,
.homepage-preview
.preview-direction h3,
.homepage-preview
.preview-direction-bridge p,
.homepage-preview
.preview-position__line--large,
.homepage-preview
.preview-platform-case__copy h2,
.homepage-preview
.preview-platform-panel h3 {
    font-family:
        "IBM Plex Sans",
        Arial,
        sans-serif;
    font-weight: 300;
    text-wrap: balance;
}

.preview-hero h1 {
    font-weight: 300;
    line-height: 0.92;
    letter-spacing: -0.052em;
}

.preview-hero__lead,
.preview-convergence__statement,
.preview-direction
p:not(.preview-eyebrow):not(.preview-direction__number),
.preview-position__line,
.preview-platform-case__lead {
    font-family:
        "Golos Text",
        Arial,
        sans-serif;
    font-weight: 400;
    letter-spacing: -0.008em;
}

.preview-hero__lead,
.preview-convergence__statement,
.preview-direction
p:not(.preview-eyebrow):not(.preview-direction__number) {
    line-height: 1.55;
}

.preview-eyebrow,
.preview-direction__number,
.preview-scroll-cue,
.preview-story-nav,
.preview-platform-panel__label {
    font-family:
        "Golos Text",
        Arial,
        sans-serif;
    font-weight: 500;
    letter-spacing: 0.105em;
}

.preview-button,
.preview-direction a,
.preview-position__links a,
.preview-platform-sidebar,
.preview-platform-steps {
    font-family:
        "Golos Text",
        Arial,
        sans-serif;
}

.preview-button,
.preview-direction a,
.preview-position__links a {
    font-weight: 500;
}

.preview-direction h3 {
    font-weight: 300;
    line-height: 0.94;
    letter-spacing: -0.052em;
}

.preview-direction-bridge p {
    font-weight: 300;
    line-height: 0.94;
    letter-spacing: -0.055em;
}

.preview-position__line--large {
    font-weight: 300;
    line-height: 0.96;
    letter-spacing: -0.052em;
}

.preview-platform-case__copy h2,
.preview-platform-panel h3 {
    font-weight: 300;
}

.preview-platform-steps h3 {
    font-family:
        "Golos Text",
        Arial,
        sans-serif;
    font-weight: 500;
    letter-spacing: -0.01em;
}

.preview-platform-steps p,
.preview-platform-window,
.preview-account-ui,
.preview-automation-flow {
    font-family:
        "Golos Text",
        Arial,
        sans-serif;
}

.preview-final-symbols__psi,
.preview-direction--psychology::before {
    font-family:
        Georgia,
        "Times New Roman",
        serif;
}

@media (max-width: 520px) {
    .preview-hero h1,
    .preview-direction h3,
    .preview-position__line--large {
        letter-spacing: -0.042em;
    }
}


/* COMPACT DIRECTION BRIDGE */

.preview-direction-bridge {
    min-height: clamp(430px, 62vh, 620px);
    padding-block: 48px;
}

@media (max-width: 820px) {
    .preview-direction-bridge {
        min-height: clamp(400px, 58vh, 520px);
        padding-block: 42px;
    }
}


/* EVIDENCE AND FINAL ROUTES */

.preview-evidence {
    width: min(100% - 48px, 1180px);
    margin-inline: auto;
    padding-block: clamp(100px, 14vw, 180px);
}

.preview-evidence__heading {
    display: grid;
    grid-template-columns: 0.62fr 1.38fr;
    gap: clamp(32px, 7vw, 100px);
    align-items: start;
}

.preview-evidence__heading h2 {
    max-width: 850px;
    margin: 0;
    font-family:
        "IBM Plex Sans",
        Arial,
        sans-serif;
    font-size: clamp(2.8rem, 6vw, 6.2rem);
    font-weight: 300;
    line-height: 0.96;
    letter-spacing: -0.052em;
    text-wrap: balance;
}

.preview-evidence__facts {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    margin-top: clamp(76px, 10vw, 130px);
    border-block: 1px solid var(--line);
}

.preview-evidence__facts article {
    margin: 0;
    padding: 34px clamp(22px, 3vw, 42px);
    border: 0;
    background: transparent;
}

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

.preview-evidence__facts strong {
    display: block;
    margin-bottom: 22px;
    color: var(--text);
    font-family:
        "IBM Plex Sans",
        Arial,
        sans-serif;
    font-size: clamp(2rem, 4vw, 4.2rem);
    font-weight: 300;
    line-height: 1;
    letter-spacing: -0.04em;
}

.preview-evidence__facts p {
    max-width: 270px;
    margin: 0;
    color: var(--muted);
    font-family:
        "Golos Text",
        Arial,
        sans-serif;
    font-size: 0.92rem;
    line-height: 1.5;
}

.preview-evidence__statement {
    max-width: 930px;
    margin: clamp(76px, 11vw, 140px) 0 0 auto;
    color: var(--text);
    font-family:
        "IBM Plex Sans",
        Arial,
        sans-serif;
    font-size: clamp(2rem, 4.3vw, 4.7rem);
    font-weight: 300;
    line-height: 1.05;
    letter-spacing: -0.045em;
    text-wrap: balance;
}

.preview-final-routes {
    display: grid;
    margin-top: clamp(70px, 10vw, 120px);
    border-top: 1px solid var(--line);
}

.preview-final-route {
    position: relative;
    display: grid;
    grid-template-columns:
        48px
        minmax(220px, 1fr)
        minmax(220px, 0.7fr)
        36px;
    gap: 20px;
    align-items: center;
    min-height: 124px;
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
    color: var(--text);
    transition:
        padding 300ms ease,
        color 300ms ease;
}

.preview-final-route::before {
    position: absolute;
    inset: 0;
    z-index: -1;
    background: var(--surface-soft);
    content: "";
    transform: scaleX(0);
    transform-origin: right;
    transition:
        transform 500ms cubic-bezier(
            0.16,
            1,
            0.3,
            1
        );
}

.preview-final-route:hover {
    padding-inline: 22px;
    color: var(--text);
    text-decoration: none;
}

.preview-final-route:hover::before {
    transform: scaleX(1);
    transform-origin: left;
}

.preview-final-route > span {
    color: var(--accent);
    font-family:
        "Golos Text",
        Arial,
        sans-serif;
    font-size: 0.72rem;
    font-variant-numeric: tabular-nums;
}

.preview-final-route > strong {
    font-family:
        "IBM Plex Sans",
        Arial,
        sans-serif;
    font-size: clamp(1.65rem, 3vw, 3rem);
    font-weight: 300;
    letter-spacing: -0.035em;
}

.preview-final-route > small {
    color: var(--muted);
    font-family:
        "Golos Text",
        Arial,
        sans-serif;
    font-size: 0.87rem;
    line-height: 1.45;
}

.preview-final-route > b {
    font-family:
        "Golos Text",
        Arial,
        sans-serif;
    font-size: 1.35rem;
    font-weight: 400;
    transition: transform 300ms ease;
}

.preview-final-route:hover > b {
    transform: translate(4px, -4px);
}

.preview-position__links {
    margin-top: 34px;
}

@media (max-width: 760px) {
    .preview-evidence {
        width: min(100% - 32px, 1180px);
        padding-block: 90px;
    }

    .preview-evidence__heading {
        grid-template-columns: 1fr;
    }

    .preview-evidence__facts {
        grid-template-columns: 1fr;
        margin-top: 64px;
    }

    .preview-evidence__facts article {
        padding-inline: 0;
    }

    .preview-evidence__facts article + article {
        border-top: 1px solid var(--line);
        border-left: 0;
    }

    .preview-evidence__statement {
        margin-top: 76px;
    }

    .preview-final-route {
        grid-template-columns: 32px 1fr 26px;
        gap: 14px;
        min-height: 112px;
    }

    .preview-final-route > small {
        grid-column: 2;
    }

    .preview-final-route > b {
        grid-column: 3;
        grid-row: 1 / span 2;
    }
}

@media (prefers-reduced-motion: reduce) {
    .preview-final-route,
    .preview-final-route::before,
    .preview-final-route > b {
        transition: none;
    }
}


/* REFINED FINAL STATEMENT SIZE */

.preview-position__line--large {
    max-width: 980px;
    font-size: clamp(2.7rem, 5.2vw, 5.4rem);
    line-height: 1.01;
    letter-spacing: -0.045em;
}

@media (max-width: 520px) {
    .preview-position__line--large {
        font-size: clamp(2.35rem, 11vw, 3.7rem);
        line-height: 1.02;
    }
}


/* READABLE SUPPORTING TYPOGRAPHY */

.homepage-preview {
    font-size: 1.0625rem;
}

.preview-eyebrow {
    font-size: 0.82rem;
    line-height: 1.45;
}

.preview-hero__lead {
    font-size: clamp(1.15rem, 1.7vw, 1.42rem);
}

.preview-convergence__statement {
    font-size: clamp(1.12rem, 1.65vw, 1.34rem);
}

.preview-direction
p:not(.preview-eyebrow):not(.preview-direction__number) {
    font-size: clamp(1.12rem, 1.55vw, 1.3rem);
}

.preview-position__line:not(
    .preview-position__line--large
) {
    font-size: clamp(1.12rem, 1.55vw, 1.35rem);
}

.preview-platform-case__lead {
    font-size: clamp(1.08rem, 1.3vw, 1.22rem);
}

.preview-platform-steps p {
    font-size: 1rem;
    line-height: 1.55;
}

.preview-platform-panel__label {
    font-size: 0.8rem;
}

.preview-platform-window__bar p,
.preview-platform-sidebar {
    font-size: 0.8rem;
}

.preview-architecture-map span,
.preview-architecture-map strong,
.preview-account-ui span,
.preview-account-ui strong,
.preview-automation-flow span {
    font-size: 0.88rem;
}

.preview-evidence__facts p {
    max-width: 290px;
    font-size: clamp(1.02rem, 1.15vw, 1.12rem);
    line-height: 1.55;
}

.preview-final-route > small {
    font-size: 1rem;
    line-height: 1.5;
}

.preview-position__links {
    font-size: 1rem;
}

.preview-button,
.preview-direction a {
    font-size: 1rem;
}

@media (max-width: 520px) {
    .homepage-preview {
        font-size: 1rem;
    }

    .preview-eyebrow {
        font-size: 0.78rem;
    }

    .preview-evidence__facts p,
    .preview-platform-steps p,
    .preview-final-route > small {
        font-size: 1rem;
    }
}


/* KEEP PORTRAIT FACE VISIBLE */

.preview-portrait img {
    clip-path: none;
    transition:
        transform 160ms linear,
        opacity 160ms linear;
}

/* HOMEPAGE MOBILE ARCHITECTURE GRID */

@media (max-width: 520px) {
    .preview-architecture-map {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 0.65rem;
        width: 100%;
        max-width: 100%;
        min-width: 0;
    }

    .preview-architecture-map span,
    .preview-architecture-map strong {
        box-sizing: border-box;
        width: 100%;
        min-width: 0;
        max-width: 100%;
        min-height: 3.4rem;
        padding: 0.65rem 0.45rem;
        font-size: 0.74rem;
        line-height: 1.25;
        text-align: center;
        overflow-wrap: normal;
        word-break: normal;
        hyphens: none;
    }

    .preview-architecture-map strong {
        grid-column: 1 / -1;
    }
}

@media (max-width: 360px) {
    .preview-architecture-map span,
    .preview-architecture-map strong {
        font-size: 0.7rem;
    }
}

/* HOMEPAGE MOBILE CONTENT FIT */

/*
 * Заголовки направлений помещаются без разрыва слов.
 * Схема автоматизации полностью располагается
 * над нижней навигацией мобильного экрана.
 */
@media (max-width: 520px) {
    .preview-direction {
        box-sizing: border-box;
        width: 100%;
        min-width: 0;
        padding-right: 1.25rem;
        padding-left: 1.25rem;
        overflow: hidden;
    }

    .preview-direction > * {
        min-width: 0;
        max-width: 100%;
    }

    .preview-direction h3 {
        width: 100%;
        max-width: none;
        font-size: clamp(1.65rem, 7.3vw, 2.15rem);
        line-height: 1.04;
        letter-spacing: -0.035em;
        overflow-wrap: normal;
        word-break: normal;
        hyphens: none;
        text-wrap: balance;
    }

    .preview-direction
    p:not(.preview-eyebrow):not(
        .preview-direction__number
    ) {
        width: 100%;
        max-width: none;
        font-size: 0.94rem;
        line-height: 1.45;
        overflow-wrap: normal;
        word-break: normal;
        hyphens: none;
    }

    .preview-direction a {
        max-width: 100%;
        font-size: 0.91rem;
        white-space: normal;
    }

    .preview-platform-panels {
        height: min(
            460px,
            calc(100dvh - 260px)
        );
        min-height: 0;
        max-height: 460px;
        overflow: hidden;
    }

    .preview-platform-panel {
        box-sizing: border-box;
        min-width: 0;
        min-height: 0;
        padding: 1.1rem;
        overflow: hidden;
    }

    .preview-platform-panel__label {
        margin-bottom: 0.65rem;
        font-size: 0.7rem;
    }

    .preview-platform-panel h3 {
        margin-top: 0;
        margin-bottom: 1rem;
        font-size: clamp(1.45rem, 6.5vw, 1.85rem);
        line-height: 1.05;
        overflow-wrap: normal;
        word-break: normal;
        hyphens: none;
        text-wrap: balance;
    }

    .preview-automation-flow {
        display: grid;
        min-height: 0;
        gap: 0;
    }

    .preview-automation-flow span {
        box-sizing: border-box;
        min-height: 46px;
        padding: 0.55rem 0.75rem;
        font-size: 0.76rem;
        line-height: 1.2;
    }

    .preview-automation-flow i {
        width: 1px;
        height: 13px;
        min-height: 13px;
        margin: 0 auto;
    }
}

@media (
    max-width: 520px
) and (
    max-height: 680px
) {
    .preview-platform-panels {
        height: calc(100dvh - 230px);
    }

    .preview-platform-panel {
        padding: 0.85rem 1rem;
    }

    .preview-platform-panel h3 {
        margin-bottom: 0.7rem;
        font-size: 1.35rem;
    }

    .preview-automation-flow span {
        min-height: 40px;
        padding: 0.4rem 0.65rem;
        font-size: 0.7rem;
    }

    .preview-automation-flow i {
        height: 9px;
        min-height: 9px;
    }
}

/* HOMEPAGE MOBILE PORTRAIT CENTER */

/*
 * На узких экранах портрет остаётся неподвижным:
 * лицо располагается по центру кадра и не смещается
 * scroll-анимацией за границу видимой области.
 */
@media (max-width: 470px) {
    .preview-portrait,
    .preview-portrait picture {
        display: block;
        width: 100%;
        min-width: 0;
        overflow: hidden;
    }

    .preview-portrait img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        object-position: 50% 35%;
        transform: none !important;
        transform-origin: center center;
    }
}

/* HOMEPAGE NARROW PORTRAIT FACE FIT */

/*
 * На экранах около 320 px кадр смещается к правой
 * части исходной фотографии, чтобы лицо отображалось
 * полностью и не обрезалось правой границей.
 */
@media (max-width: 360px) {
    .preview-portrait img {
        object-position: 68% 35%;
    }
}

/* HOMEPAGE MOBILE ARCHITECTURE HEIGHT FIX */

/*
 * Убираем у схемы настольную минимальную высоту
 * и сокращаем двойные внутренние отступы панели.
 * Все пять элементов помещаются над навигацией.
 */
@media (max-width: 520px) {
    .preview-platform-panel {
        inset: 0.75rem;
        padding: 0.75rem;
    }

    .preview-platform-panel[data-platform-panel="0"] h3 {
        margin-bottom: 0.75rem;
    }

    .preview-architecture-map {
        grid-auto-rows: minmax(3.15rem, auto);
        gap: 0.55rem;
        min-height: 0;
    }

    .preview-architecture-map span,
    .preview-architecture-map strong {
        min-height: 3.15rem;
        padding-block: 0.45rem;
    }
}

@media (
    max-width: 360px
) or (
    max-height: 740px
) {
    .preview-platform-panel[data-platform-panel="0"] {
        padding: 0.6rem;
    }

    .preview-platform-panel[data-platform-panel="0"] h3 {
        margin-bottom: 0.6rem;
        font-size: 1.35rem;
    }

    .preview-architecture-map {
        grid-auto-rows: minmax(2.8rem, auto);
        gap: 0.45rem;
    }

    .preview-architecture-map span,
    .preview-architecture-map strong {
        min-height: 2.8rem;
        padding-block: 0.35rem;
    }
}

/* HOMEPAGE HERO WHOLE-WORD WRAPPING */

/*
 * Главный заголовок переносится только между
 * словами. Размер ограничен шириной текстовой
 * колонки, поэтому длинные русские слова
 * остаются целыми.
 */
.homepage-preview .preview-hero h1 {
    font-size: clamp(
        3.4rem,
        5.6vw,
        6.2rem
    );
    overflow-wrap: normal;
    word-break: normal;
    hyphens: none;
    text-wrap: balance;
}

@media (max-width: 520px) {
    .homepage-preview .preview-hero h1 {
        font-size: clamp(
            2.1rem,
            10.5vw,
            3rem
        ) !important;
        overflow-wrap: normal;
        word-break: normal;
        hyphens: none;
    }
}

/* STEP 158: tighten convergence -> directions transition on mobile */
@media (max-width: 820px) {
    .preview-directions {
        padding-top: 0;
    }
}

/* STEP 194: mobile convergence viewport composition */
@media (max-width: 520px) {
    .preview-convergence__sticky {
        box-sizing: border-box;
        height: 100vh;
        min-height: 100vh;
        padding: 72px 24px 110px;
        align-content: stretch;
        grid-template-rows: auto 1fr auto auto;
    }

    .preview-convergence__sticky > .preview-eyebrow {
        grid-row: 1;
    }

    .preview-convergence__title {
        grid-row: 3;
    }

    .preview-convergence__statement {
        grid-row: 4;
        margin: 32px auto 0;
    }
}