/* Custom software development landing — /solutions/build-integrate/ */

.pr-build {
    --bd-warm: #f7f2ea;
    --bd-sand: #efe8de;
    --bd-ink: #1a1714;
    background: var(--pr-paper, #fffaf6);
    color: var(--pr-ink);
}

.pr-build__band {
    padding-block: clamp(3rem, 6vw, 5.5rem);
}

.pr-build__band--hero {
    background:
        radial-gradient(ellipse 68% 52% at 92% 16%, rgba(255, 97, 0, 0.07), transparent 58%),
        linear-gradient(180deg, #fffaf6 0%, #ffffff 100%);
    padding-top: clamp(1rem, 2vw, 1.5rem);
    padding-bottom: clamp(2.5rem, 5vw, 4rem);
    min-height: auto;
    overflow: hidden;
}

.pr-build__band--warm {
    background: var(--bd-warm);
}

.pr-build__band--sand {
    background: var(--bd-sand);
}

.pr-build__band--ink {
    background: var(--bd-ink);
    color: #fff;
}

.pr-build__band--production {
    background:
        radial-gradient(circle at 92% 8%, rgba(255, 97, 0, 0.22), transparent 24rem),
        var(--bd-ink);
}

.pr-build__band--cta-final {
    background: linear-gradient(180deg, var(--bd-warm) 0%, #ffffff 100%);
    padding-bottom: clamp(4rem, 8vw, 6rem);
}

.pr-build__hero {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: center;
    min-height: auto;
}

.pr-build__hero-copy {
    grid-column: auto;
    position: relative;
    z-index: 2;
    padding-top: clamp(0.75rem, 2vw, 1.75rem);
}

.pr-build__hero-visual {
    position: relative;
    right: auto;
    top: auto;
    width: 100%;
    max-width: 520px;
    justify-self: end;
    aspect-ratio: auto;
    z-index: 1;
    pointer-events: auto;
}

.pr-build__display {
    margin: 0 0 1rem;
    max-width: min(680px, 100%);
    font-size: clamp(2.65rem, 4.2vw, 4.75rem);
    line-height: 0.98;
    letter-spacing: -0.048em;
    font-weight: 600;
}

.pr-build__display-line {
    display: block;
}

.pr-build__display-line--accent {
    color: var(--pr-accent);
}

.pr-build__hero-sub {
    margin: 0 0 1.25rem;
    max-width: 38rem;
    font-size: clamp(0.98rem, 1.15vw, 1.05rem);
    line-height: 1.62;
    color: var(--pr-muted);
}

.pr-build__caps {
    margin: 1.25rem 0 0;
    font-size: 0.82rem;
    letter-spacing: 0.04em;
    color: var(--pr-muted);
}

.pr-build__caps--small {
    margin-top: 0.75rem;
    font-size: 0.78rem;
}

.pr-build__hero-closure {
    display: grid;
    gap: 0.65rem;
    margin: 1.35rem 0 0;
    max-width: 28rem;
    font-size: clamp(0.94rem, 1.05vw, 1.06rem);
    line-height: 1.55;
    color: var(--pr-muted);
}

.pr-build__hero-closure-line {
    display: block;
    width: 2.75rem;
    height: 2px;
    background: var(--pr-accent);
    border-radius: 1px;
}

.pr-build__hero-visual-halo {
    position: absolute;
    inset: 8% -8% 4% 10%;
    background: radial-gradient(ellipse 72% 62% at 58% 42%, rgba(255, 97, 0, 0.08), transparent 72%);
    pointer-events: none;
}

.pr-build__section-head {
    max-width: 46rem;
    margin-bottom: clamp(1.75rem, 4vw, 2.75rem);
}

.pr-build__section-head--light .pr-heading,
.pr-build__section-head--light .pr-lead,
.pr-build__section-head--light p {
    color: #fff;
}

.pr-build__section-head--light .pr-lead {
    color: rgba(255, 255, 255, 0.78);
}

.pr-build__section-head--light .pr-eyebrow {
    color: rgba(255, 145, 72, 0.95);
}

.pr-build__index {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    color: var(--pr-accent-deep);
}

.pr-build__band--ink .pr-build__index {
    color: rgba(255, 145, 72, 0.95);
}

/* Hero · Product Horizon visual */
.pr-build-horizon {
    position: relative;
    z-index: 1;
    width: 100%;
    height: 100%;
    display: block;
    overflow: visible;
}

.pr-build-horizon__arc {
    fill: none;
    stroke: rgba(24, 21, 18, 0.08);
    stroke-width: 1;
    opacity: 0;
}

.pr-build-horizon__arc--soft {
    stroke: rgba(255, 97, 0, 0.12);
}

.pr-build-horizon__title {
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.1em;
    fill: #11100f;
    text-transform: uppercase;
}

.pr-build-horizon__badge-label {
    font-size: 9px;
    font-weight: 600;
    letter-spacing: 0.08em;
    fill: rgba(17, 16, 15, 0.52);
    text-transform: uppercase;
}

.pr-build-horizon__rule {
    stroke: rgba(24, 21, 18, 0.11);
    stroke-width: 1;
}

.pr-build-horizon__track {
    stroke: rgba(24, 21, 18, 0.12);
    stroke-width: 2;
}

.pr-build-horizon__signal {
    fill: none;
    stroke: var(--pr-accent, #ff6100);
    stroke-width: 2.5;
    stroke-linecap: round;
    stroke-dasharray: 384;
    stroke-dashoffset: 384;
}

.pr-build-horizon__dot {
    fill: #fff;
    stroke: rgba(24, 21, 18, 0.18);
    stroke-width: 1.75;
}

.pr-build-horizon__step-label {
    font-size: 8px;
    font-weight: 600;
    letter-spacing: 0.07em;
    fill: rgba(17, 16, 15, 0.44);
    text-transform: uppercase;
}

.pr-build-horizon__frame {
    fill: rgba(255, 255, 255, 0.42);
    stroke: rgba(24, 21, 18, 0.14);
    stroke-width: 1.25;
}

.pr-build-horizon__frame-cap {
    stroke: rgba(24, 21, 18, 0.08);
    stroke-width: 1;
}

.pr-build-horizon__content-line {
    stroke: rgba(24, 21, 18, 0.16);
    stroke-width: 1.75;
    stroke-linecap: round;
}

.pr-build-horizon__content-line--accent {
    stroke: rgba(255, 97, 0, 0.55);
    stroke-width: 2;
}

.pr-build-horizon__connector {
    stroke: rgba(24, 21, 18, 0.12);
    stroke-width: 1.25;
    fill: none;
}

.pr-build-horizon__timeline-label {
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 0.12em;
    fill: rgba(17, 16, 15, 0.42);
    text-transform: uppercase;
}

.pr-build-horizon__timeline-item {
    font-size: 9px;
    fill: rgba(17, 16, 15, 0.56);
}

.pr-build-horizon__result,
.pr-build-horizon__main {
    opacity: 0;
}

.pr-build-horizon__main {
    transform: translateY(12px);
    transform-box: fill-box;
    transform-origin: center top;
}

.pr-build-horizon__result-outline {
    fill: rgba(255, 255, 255, 0.55);
    stroke: rgba(255, 97, 0, 0.38);
    stroke-width: 1.25;
}

.pr-build-horizon__result-label {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.1em;
    fill: var(--pr-accent, #ff6100);
    text-transform: uppercase;
}

.pr-build-horizon__result-sub {
    font-size: 9px;
    fill: rgba(17, 16, 15, 0.58);
}

.pr-build-horizon__result-mark {
    fill: none;
    stroke: var(--pr-accent, #ff6100);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-linejoin: round;
    opacity: 0;
}

.pr-build-horizon.is-stage-main .pr-build-horizon__arc,
.pr-build-horizon.is-stage-main [data-horizon-part="main"] {
    opacity: 1;
}

.pr-build-horizon.is-stage-main [data-horizon-part="main"] {
    transform: translateY(0);
}

.pr-build-horizon.is-stage-signal .pr-build-horizon__signal {
    stroke-dashoffset: 256;
}

.pr-build-horizon.is-stage-signal.is-signal-validated .pr-build-horizon__signal {
    stroke-dashoffset: 170;
}

.pr-build-horizon.is-stage-signal.is-signal-approval .pr-build-horizon__signal {
    stroke-dashoffset: 84;
}

.pr-build-horizon.is-stage-signal [data-horizon-step="received"] .pr-build-horizon__dot,
.pr-build-horizon.is-stage-signal.is-signal-validated [data-horizon-step="validated"] .pr-build-horizon__dot,
.pr-build-horizon.is-stage-signal.is-signal-approval [data-horizon-step="approval"] .pr-build-horizon__dot {
    fill: var(--pr-accent, #ff6100);
    stroke: var(--pr-accent, #ff6100);
}

.pr-build-horizon.is-stage-signal.is-signal-validated [data-horizon-step="received"] .pr-build-horizon__dot {
    fill: var(--pr-accent, #ff6100);
    stroke: var(--pr-accent, #ff6100);
}

.pr-build-horizon.is-stage-result .pr-build-horizon__signal,
.pr-build-horizon.is-complete .pr-build-horizon__signal {
    stroke-dashoffset: 0;
}

.pr-build-horizon.is-stage-result [data-horizon-part="result"],
.pr-build-horizon.is-complete [data-horizon-part="result"] {
    opacity: 1;
}

.pr-build-horizon.is-stage-result .pr-build-horizon__result-mark,
.pr-build-horizon.is-complete .pr-build-horizon__result-mark {
    opacity: 1;
}

.pr-build-horizon.is-stage-result [data-horizon-step="delivered"] .pr-build-horizon__dot,
.pr-build-horizon.is-complete [data-horizon-step="delivered"] .pr-build-horizon__dot {
    fill: var(--pr-accent, #ff6100);
    stroke: var(--pr-accent, #ff6100);
}

.pr-build-horizon.is-stage-result [data-horizon-step="received"] .pr-build-horizon__dot,
.pr-build-horizon.is-stage-result [data-horizon-step="validated"] .pr-build-horizon__dot,
.pr-build-horizon.is-stage-result [data-horizon-step="approval"] .pr-build-horizon__dot,
.pr-build-horizon.is-complete [data-horizon-step="received"] .pr-build-horizon__dot,
.pr-build-horizon.is-complete [data-horizon-step="validated"] .pr-build-horizon__dot,
.pr-build-horizon.is-complete [data-horizon-step="approval"] .pr-build-horizon__dot {
    fill: #fff;
    stroke: rgba(24, 21, 18, 0.16);
}

.pr-build-horizon.is-complete .pr-build-horizon__arc,
.pr-build-horizon.is-complete [data-horizon-part="main"],
.pr-build-horizon.is-complete [data-horizon-part="result"] {
    opacity: 1;
}

.pr-build-horizon.is-complete [data-horizon-part="main"] {
    transform: translateY(0);
}

.pr-build-horizon.is-parallax [data-horizon-part="main"] {
    transform: translate(calc(var(--hero-parallax-x, 0) * 1px), calc(var(--hero-parallax-y, 0) * 1px));
}

.pr-build-horizon.is-parallax [data-horizon-part="result"] {
    transform: translate(calc(var(--hero-parallax-x, 0) * 2px), calc(var(--hero-parallax-y, 0) * -1px));
}

/* Friction map */
.pr-build__friction-layout {
    display: grid;
    grid-template-columns: minmax(260px, 380px) minmax(0, 1.12fr);
    gap: clamp(1.75rem, 4vw, 3rem);
    align-items: start;
}

.pr-build__friction-aside {
    position: sticky;
    top: clamp(5rem, 10vh, 6.5rem);
}

.pr-build__friction-card {
    padding: clamp(1.35rem, 2.5vw, 1.85rem);
    border-radius: 1.15rem;
    border: 1px solid rgba(255, 97, 0, 0.16);
    background: linear-gradient(165deg, rgba(255, 255, 255, 0.98) 0%, rgba(255, 248, 242, 0.96) 100%);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.9) inset,
        0 18px 40px rgba(26, 23, 20, 0.06);
}

.pr-build__friction-card-stage {
    position: relative;
    display: grid;
    min-height: clamp(10rem, 24vh, 13.5rem);
    margin-bottom: 1.35rem;
    padding: clamp(1.1rem, 2.2vw, 1.45rem);
    border-radius: 0.85rem;
    background:
        linear-gradient(135deg, rgba(255, 97, 0, 0.07) 0%, rgba(255, 248, 242, 0.55) 48%, rgba(255, 255, 255, 0.92) 100%);
    border: 1px solid rgba(255, 97, 0, 0.12);
    overflow: hidden;
}

.pr-build__friction-card-stage::before {
    content: "";
    position: absolute;
    inset: 0 auto 0 0;
    width: 3px;
    background: linear-gradient(180deg, #ff9100 0%, rgba(255, 97, 0, 0.35) 100%);
    border-radius: 999px 0 0 999px;
    pointer-events: none;
}

.pr-build__friction-card-panel {
    grid-area: 1 / 1;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding-left: 0.35rem;
    opacity: 0;
    transform: translateY(22px);
    pointer-events: none;
    transition:
        opacity 0.72s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.78s cubic-bezier(0.22, 1, 0.36, 1);
}

.pr-build__friction-card-stage[data-direction="forward"] .pr-build__friction-card-panel:not(.is-active):not(.is-entering) {
    transform: translateY(-18px);
}

.pr-build__friction-card-stage[data-direction="backward"] .pr-build__friction-card-panel:not(.is-active):not(.is-entering) {
    transform: translateY(22px);
}

.pr-build__friction-card-panel.is-entering {
    opacity: 0;
    pointer-events: none;
}

.pr-build__friction-card-stage[data-direction="forward"] .pr-build__friction-card-panel.is-entering {
    transform: translateY(22px);
}

.pr-build__friction-card-stage[data-direction="backward"] .pr-build__friction-card-panel.is-entering {
    transform: translateY(-18px);
}

.pr-build__friction-card-panel.is-active {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
}

.pr-build__friction-card-head {
    display: grid;
    grid-template-columns: auto minmax(0, 1fr);
    gap: 0.85rem;
    align-items: start;
}

.pr-build__friction-card-num {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.15rem;
    height: 2.15rem;
    border-radius: 0.55rem;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--pr-accent-deep);
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(255, 97, 0, 0.22);
    box-shadow: 0 4px 14px rgba(255, 97, 0, 0.08);
}

.pr-build__friction-card-panel h3 {
    margin: 0.15rem 0 0;
    font-size: clamp(1.18rem, 2.1vw, 1.42rem);
    line-height: 1.22;
    letter-spacing: -0.01em;
}

.pr-build__friction-card-panel p {
    margin: 0;
    padding-left: calc(2.15rem + 0.85rem);
    color: var(--pr-muted);
    line-height: 1.65;
    max-width: 38rem;
    font-size: clamp(0.94rem, 1.4vw, 1.02rem);
}

.pr-build__friction-card-decision {
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 97, 0, 0.14);
    transition: border-color 0.35s ease, opacity 0.35s ease;
}

.pr-build__friction-card-decision.is-emphasis {
    border-top-color: rgba(255, 97, 0, 0.32);
}

.pr-build__friction-card .pr-build__callout {
    margin-bottom: 1.15rem;
    font-size: clamp(0.98rem, 1.35vw, 1.08rem);
}

.pr-build__friction-card .pr-build__fork-labels {
    margin-bottom: 1.15rem;
}

.pr-build__friction-card .pr-build__context-link {
    margin: 0;
}

.pr-build__friction-main {
    position: relative;
    padding-left: 1.5rem;
}

.pr-build__friction-rail {
    position: absolute;
    left: 0;
    top: 0.75rem;
    bottom: 0.75rem;
    width: 2px;
    pointer-events: none;
}

.pr-build__friction-rail-track,
.pr-build__friction-rail-fill {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    border-radius: 999px;
}

.pr-build__friction-rail-track {
    bottom: 0;
    background: rgba(26, 23, 20, 0.1);
}

.pr-build__friction-rail-fill {
    height: 0;
    background: linear-gradient(180deg, #ff9100 0%, #ff6100 100%);
    box-shadow: 0 0 12px rgba(255, 97, 0, 0.35);
    transition: height 0.62s cubic-bezier(0.22, 1, 0.36, 1);
}

.pr-build__friction.is-static .pr-build__friction-rail-fill {
    transition: none;
}

.pr-build__friction-nav {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: clamp(0.65rem, 1.6vh, 1rem);
}

.pr-build__friction-trigger {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: 1rem;
    width: 100%;
    padding: clamp(0.85rem, 2vh, 1.15rem) clamp(0.85rem, 1.5vw, 1rem);
    border: 1px solid rgba(26, 23, 20, 0.08);
    border-radius: 0.85rem;
    background: rgba(255, 255, 255, 0.55);
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition:
        border-color 0.52s ease,
        background 0.52s ease,
        box-shadow 0.52s ease,
        transform 0.58s cubic-bezier(0.22, 1, 0.36, 1),
        opacity 0.52s ease;
}

.pr-build__friction-trigger:hover {
    border-color: rgba(255, 97, 0, 0.22);
    background: rgba(255, 255, 255, 0.92);
}

.pr-build__friction-trigger.is-active {
    border-color: rgba(255, 97, 0, 0.38);
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 10px 28px rgba(255, 97, 0, 0.1);
    transform: translateX(3px);
}

.pr-build__friction-trigger-title {
    flex: 1;
    font-size: clamp(0.92rem, 1.5vw, 1.02rem);
    font-weight: 600;
    line-height: 1.35;
    color: rgba(26, 23, 20, 0.72);
    transition: color 0.52s ease;
}

.pr-build__friction-trigger.is-active .pr-build__friction-trigger-title {
    color: var(--pr-ink);
}

.pr-build__friction-trigger .pr-build__index {
    flex-shrink: 0;
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    color: var(--pr-accent-deep);
    transition: color 0.52s ease;
}

.pr-build__friction-trigger.is-active .pr-build__index {
    color: var(--pr-accent);
}

.pr-build__friction-trigger:focus-visible {
    outline: 2px solid rgba(255, 97, 0, 0.65);
    outline-offset: 3px;
}

.pr-build__friction-card-panel[hidden],
.pr-build__formats-panel[hidden],
.pr-build__scene-panel[hidden],
.pr-build__scenes-copy-panel[hidden] {
    display: none !important;
}

@media (prefers-reduced-motion: reduce) {
    .pr-build__friction-card-panel {
        transition: none;
    }

    .pr-build__friction-rail-fill,
    .pr-build__friction-trigger {
        transition: none;
    }

    .pr-build__formats-tab,
    .pr-build__formats-meter-fill,
    .pr-build__formats-panel,
    .pr-build__formats-preview .pr-build-atlas-scene__panel,
    .pr-build__layers-caption-panel {
        transition: none;
    }

    .pr-build__arch-operator,
    .pr-build__arch-core,
    .pr-build__arch-foundation-row,
    .pr-build__layers-tab,
    .pr-build__layers-panel {
        transition: none;
    }
}

.pr-build__friction-fork {
    margin-top: 0;
    padding-top: 0;
    border-top: 0;
}

.pr-build__callout {
    margin: 0 0 1rem;
    font-size: clamp(1rem, 1.4vw, 1.12rem);
    line-height: 1.55;
    max-width: 44rem;
}

.pr-build__fork-labels {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--pr-muted);
}

.pr-build__fork-arrow {
    color: rgba(255, 97, 0, 0.72);
    letter-spacing: 0;
}

.pr-build__context-link a {
    color: var(--pr-accent-deep);
    text-decoration: none;
    font-weight: 500;
}

.pr-build__context-link a:hover {
    text-decoration: underline;
}

.pr-build__context-link--light a {
    color: rgba(255, 145, 72, 0.95);
}

/* Product formats */
.pr-build__formats {
    display: grid;
    gap: clamp(1.35rem, 2.8vw, 2rem);
}

.pr-build__formats-selector {
    display: grid;
    gap: 0.85rem;
}

.pr-build__formats-selector-scroll {
    overflow-x: auto;
    margin-inline: calc(-1 * clamp(1rem, 3vw, 1.5rem));
    padding-inline: clamp(1rem, 3vw, 1.5rem);
    scrollbar-width: none;
}

.pr-build__formats-selector-scroll::-webkit-scrollbar {
    display: none;
}

.pr-build__formats-tabs {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    grid-template-columns: repeat(5, minmax(9.5rem, 1fr));
    gap: 0.55rem;
    min-width: min(100%, 56rem);
}

.pr-build__formats-tab {
    display: grid;
    gap: 0.35rem;
    width: 100%;
    min-height: 5.4rem;
    padding: 0.85rem 0.9rem 0.95rem;
    border: 1px solid rgba(26, 23, 20, 0.1);
    border-radius: 0.9rem;
    background: rgba(255, 255, 255, 0.62);
    color: inherit;
    font: inherit;
    text-align: left;
    cursor: pointer;
    transition:
        border-color 0.55s ease,
        background 0.55s ease,
        box-shadow 0.55s ease,
        transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.pr-build__formats-tab:hover {
    border-color: rgba(255, 97, 0, 0.24);
    background: rgba(255, 255, 255, 0.92);
}

.pr-build__formats-tab.is-active {
    border-color: rgba(255, 97, 0, 0.34);
    background: rgba(255, 255, 255, 0.98);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.95) inset,
        0 16px 34px rgba(255, 97, 0, 0.1);
    transform: translateY(-2px);
}

.pr-build__formats-tab-num {
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    color: var(--pr-accent-deep);
}

.pr-build__formats-tab.is-active .pr-build__formats-tab-num {
    color: var(--pr-accent);
}

.pr-build__formats-tab-label {
    font-size: clamp(0.78rem, 1.1vw, 0.9rem);
    font-weight: 600;
    line-height: 1.32;
    color: rgba(26, 23, 20, 0.68);
}

.pr-build__formats-tab.is-active .pr-build__formats-tab-label {
    color: var(--pr-ink);
}

.pr-build__formats-tab:focus-visible {
    outline: 2px solid rgba(255, 97, 0, 0.65);
    outline-offset: 3px;
}

.pr-build__formats-meter {
    position: relative;
    height: 2px;
    border-radius: 999px;
    background: rgba(26, 23, 20, 0.1);
    overflow: hidden;
}

.pr-build__formats-meter-fill {
    display: block;
    width: 20%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(90deg, #ff9100 0%, #ff6100 100%);
    box-shadow: 0 0 14px rgba(255, 97, 0, 0.35);
    transition: width 0.72s cubic-bezier(0.22, 1, 0.36, 1);
}

.pr-build__formats-body {
    display: block;
}

.pr-build__formats-detail {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(14rem, 22rem);
    gap: clamp(1.15rem, 2.4vw, 1.65rem);
    align-items: start;
    padding: clamp(1.15rem, 2.3vw, 1.55rem);
    border-radius: 1.15rem;
    border: 1px solid rgba(26, 23, 20, 0.08);
    background: rgba(255, 255, 255, 0.78);
    box-shadow: 0 14px 36px rgba(26, 23, 20, 0.05);
}

.pr-build__formats-preview {
    position: relative;
    width: 100%;
    max-width: 22rem;
    min-height: 11.5rem;
    padding: 0.72rem 0.75rem 0.8rem;
    border-radius: 0.95rem;
    background: linear-gradient(160deg, #1b1815 0%, #242018 100%);
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.06) inset,
        0 14px 32px rgba(26, 23, 20, 0.16);
    justify-self: end;
}

.pr-build__formats-preview::before {
    content: "";
    position: absolute;
    top: 0.72rem;
    left: 0.95rem;
    width: 0.48rem;
    height: 0.48rem;
    border-radius: 999px;
    background: rgba(255, 145, 72, 0.85);
    box-shadow:
        0.65rem 0 0 rgba(255, 255, 255, 0.16),
        1.3rem 0 0 rgba(255, 255, 255, 0.1);
    pointer-events: none;
}

.pr-build__formats-copy {
    position: relative;
    display: grid;
    min-height: 0;
    padding: 0;
    border: 0;
    border-radius: 0;
    background: transparent;
    box-shadow: none;
}

.pr-build__formats-panel {
    grid-area: 1 / 1;
    display: grid;
    gap: 0.85rem;
    align-content: start;
    opacity: 0;
    transform: translateX(22px);
    pointer-events: none;
    transition:
        opacity 0.72s cubic-bezier(0.22, 1, 0.36, 1),
        transform 0.78s cubic-bezier(0.22, 1, 0.36, 1);
}

.pr-build__formats-copy[data-direction="forward"] .pr-build__formats-panel:not(.is-active):not(.is-entering) {
    transform: translateX(-18px);
}

.pr-build__formats-copy[data-direction="backward"] .pr-build__formats-panel:not(.is-active):not(.is-entering) {
    transform: translateX(22px);
}

.pr-build__formats-panel.is-entering {
    opacity: 0;
    pointer-events: none;
}

.pr-build__formats-copy[data-direction="forward"] .pr-build__formats-panel.is-entering {
    transform: translateX(22px);
}

.pr-build__formats-copy[data-direction="backward"] .pr-build__formats-panel.is-entering {
    transform: translateX(-22px);
}

.pr-build__formats-panel.is-active {
    opacity: 1;
    transform: translateX(0);
    pointer-events: auto;
}

.pr-build__formats-kicker {
    margin: 0;
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    text-transform: uppercase;
    color: var(--pr-accent-deep);
}

.pr-build__formats-panel h3 {
    margin: 0;
    font-size: clamp(1.28rem, 2.2vw, 1.55rem);
    line-height: 1.18;
    letter-spacing: -0.015em;
}

.pr-build__formats-panel p {
    margin: 0;
    color: var(--pr-muted);
    line-height: 1.65;
    max-width: 34rem;
    font-size: clamp(0.94rem, 1.35vw, 1.02rem);
}

.pr-build__formats-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin: 0.35rem 0 0;
    padding: 0;
    list-style: none;
}

.pr-build__formats-tags li {
    padding: 0.38rem 0.62rem;
    border-radius: 999px;
    border: 1px solid rgba(26, 23, 20, 0.1);
    background: rgba(255, 255, 255, 0.88);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.04em;
    color: rgba(26, 23, 20, 0.72);
}

.pr-build-atlas-scene {
    display: block;
    width: 100%;
    height: auto;
    margin-top: 0.85rem;
}

.pr-build__formats-preview .pr-build-atlas-scene__frame {
    fill: rgba(255, 255, 255, 0.025);
    stroke: rgba(255, 255, 255, 0.1);
}

.pr-build__formats-preview .pr-build-atlas-scene rect:not(.pr-build-atlas-scene__frame) {
    fill: rgba(255, 255, 255, 0.07);
    stroke: rgba(255, 255, 255, 0.1);
}

.pr-build__formats-preview .pr-build-atlas-scene__label {
    fill: rgba(255, 255, 255, 0.62);
    font-size: 9.5px;
}

.pr-build__formats-preview .pr-build-atlas-scene__cta {
    fill: rgba(255, 170, 96, 0.95);
    font-size: 9.5px;
}

.pr-build__formats-preview .pr-build-atlas-scene__panel {
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition:
        opacity 0.55s cubic-bezier(0.22, 1, 0.36, 1),
        visibility 0.55s cubic-bezier(0.22, 1, 0.36, 1);
}

.pr-build__formats-preview .pr-build-atlas-scene__panel.is-active {
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
}

.pr-build-atlas-scene__frame {
    fill: #fff;
    stroke: rgba(26, 23, 20, 0.08);
}

.pr-build-atlas-scene rect:not(.pr-build-atlas-scene__frame) {
    fill: rgba(26, 23, 20, 0.05);
    stroke: rgba(26, 23, 20, 0.08);
}

.pr-build-atlas-scene__label,
.pr-build-atlas-scene__cta {
    font-size: 10px;
    font-weight: 600;
    fill: var(--pr-muted);
}

.pr-build-atlas-scene__cta {
    fill: var(--pr-accent-deep);
}

.pr-build__closing-line {
    margin: 2rem 0 0;
    font-size: clamp(1rem, 1.3vw, 1.1rem);
    max-width: 36rem;
}

.pr-build__section-head--compact {
    max-width: 40rem;
    margin-bottom: clamp(1.15rem, 2.5vw, 1.75rem);
}

/* Solution layers — architecture + autonomy */
.pr-build__layers-workbench {
    display: grid;
    gap: 0;
    padding: clamp(0.95rem, 1.8vw, 1.25rem);
    border-radius: 1rem;
    border: 1px solid rgba(26, 23, 20, 0.08);
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 12px 32px rgba(26, 23, 20, 0.05);
}

.pr-build__layers-footer {
    display: grid;
    gap: 0.65rem;
    margin-top: clamp(1rem, 2vw, 1.35rem);
    max-width: 40rem;
}

.pr-build__layers-footer p {
    margin: 0;
    color: var(--pr-muted);
    line-height: 1.58;
    font-size: 0.94rem;
}

.pr-build__arch-diagram {
    display: grid;
    gap: 0.55rem;
}

.pr-build__arch-operators {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.45rem;
}

.pr-build__arch-operator {
    display: grid;
    grid-template-columns: auto auto 1fr;
    align-items: center;
    gap: 0.35rem;
    padding: 0.55rem 0.65rem;
    border-radius: 0.65rem;
    border: 1px solid rgba(26, 23, 20, 0.08);
    background: rgba(255, 255, 255, 0.72);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: rgba(26, 23, 20, 0.52);
    transition:
        border-color 0.45s ease,
        background 0.45s ease,
        box-shadow 0.45s ease,
        color 0.45s ease;
}

.pr-build__arch-operator-label {
    color: rgba(26, 23, 20, 0.72);
}

.pr-build__arch-operator-arrow {
    color: var(--pr-accent-deep);
    opacity: 0.55;
}

.pr-build__arch-operator-target {
    justify-self: start;
}

.pr-build__arch-operator.is-reached {
    border-color: rgba(255, 97, 0, 0.18);
    background: rgba(255, 97, 0, 0.05);
}

.pr-build__arch-operator.is-active {
    border-color: rgba(255, 97, 0, 0.38);
    background: rgba(255, 97, 0, 0.1);
    box-shadow: 0 0 0 1px rgba(255, 97, 0, 0.08);
    color: var(--pr-accent-deep);
}

.pr-build__arch-operator.is-active .pr-build__arch-operator-label,
.pr-build__arch-operator.is-active .pr-build__arch-operator-target {
    color: var(--pr-ink);
}

.pr-build__arch-converge {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.45rem;
    height: 0.75rem;
    position: relative;
}

.pr-build__arch-converge-line {
    display: block;
    justify-self: center;
    width: 2px;
    height: 100%;
    border-radius: 1px;
    background: linear-gradient(180deg, rgba(255, 97, 0, 0.35), rgba(255, 97, 0, 0.08));
}

.pr-build__arch-core {
    padding: 0.65rem 0.72rem;
    border-radius: 0.7rem;
    border: 1px solid rgba(26, 23, 20, 0.08);
    background: rgba(255, 255, 255, 0.76);
    transition:
        border-color 0.45s ease,
        background 0.45s ease,
        box-shadow 0.45s ease;
}

.pr-build__arch-core.is-reached {
    border-color: rgba(255, 97, 0, 0.2);
    background: rgba(255, 97, 0, 0.05);
}

.pr-build__arch-core.is-active {
    border-color: rgba(255, 97, 0, 0.38);
    background: rgba(255, 97, 0, 0.1);
    box-shadow: 0 0 0 1px rgba(255, 97, 0, 0.08);
}

.pr-build__arch-core-title {
    margin: 0 0 0.45rem;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--pr-accent-deep);
}

.pr-build__arch-capabilities {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.pr-build__arch-capabilities li {
    padding: 0.22rem 0.45rem;
    border-radius: 999px;
    border: 1px solid rgba(26, 23, 20, 0.08);
    background: rgba(255, 255, 255, 0.9);
    font-size: 0.68rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    color: rgba(26, 23, 20, 0.62);
    line-height: 1.25;
}

.pr-build__arch-core.is-active .pr-build__arch-capabilities li {
    border-color: rgba(255, 97, 0, 0.16);
    background: rgba(255, 255, 255, 0.96);
    color: rgba(26, 23, 20, 0.78);
}

.pr-build__arch-autonomy {
    margin-top: 0.55rem;
    padding-top: 0.55rem;
    border-top: 1px dashed rgba(26, 23, 20, 0.1);
}

.pr-build__arch-autonomy-label {
    margin: 0 0 0.35rem;
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: rgba(26, 23, 20, 0.46);
}

.pr-build__arch-autonomy-levels {
    display: flex;
    flex-wrap: wrap;
    gap: 0.28rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.pr-build__arch-autonomy-levels li {
    padding: 0.2rem 0.42rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 97, 0, 0.18);
    background: rgba(255, 97, 0, 0.07);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--pr-accent-deep);
    line-height: 1.25;
}

.pr-build__arch-foundation {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 0.45rem;
}

.pr-build__arch-foundation-row {
    padding: 0.5rem 0.62rem;
    border-radius: 0.6rem;
    border: 1px solid rgba(26, 23, 20, 0.08);
    background: rgba(26, 23, 20, 0.03);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    line-height: 1.35;
    color: rgba(26, 23, 20, 0.48);
    transition:
        border-color 0.45s ease,
        background 0.45s ease,
        color 0.45s ease;
}

.pr-build__arch-foundation-row.is-reached {
    border-color: rgba(255, 97, 0, 0.16);
    background: rgba(255, 97, 0, 0.04);
    color: rgba(26, 23, 20, 0.62);
}

.pr-build__arch-foundation-row.is-active {
    border-color: rgba(255, 97, 0, 0.34);
    background: rgba(255, 97, 0, 0.09);
    color: var(--pr-ink);
}

/* Product scenes */
.pr-build__scenes-layout {
    display: grid;
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: clamp(1rem, 2.5vw, 1.75rem);
    align-items: stretch;
}

.pr-build__scenes-tabs {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.45rem;
    align-content: start;
}

.pr-build__scenes-tab {
    width: 100%;
    padding: 0.78rem 0.9rem;
    border: 1px solid rgba(26, 23, 20, 0.08);
    border-radius: 0.75rem;
    background: rgba(255, 255, 255, 0.72);
    color: inherit;
    font: inherit;
    font-size: 0.92rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition:
        border-color 0.45s ease,
        background 0.45s ease,
        box-shadow 0.45s ease;
}

.pr-build__scenes-tab:hover {
    border-color: rgba(255, 97, 0, 0.22);
    background: rgba(255, 255, 255, 0.96);
}

.pr-build__scenes-tab.is-active {
    border-color: rgba(255, 97, 0, 0.34);
    background: #fff;
    box-shadow: 0 8px 22px rgba(255, 97, 0, 0.08);
}

.pr-build__scenes-tab:focus-visible {
    outline: 2px solid rgba(255, 97, 0, 0.65);
    outline-offset: 3px;
}

.pr-build__scenes-stage {
    display: grid;
    gap: 0.75rem;
    padding: clamp(0.85rem, 1.6vw, 1.1rem);
    border-radius: 1rem;
    border: 1px solid rgba(26, 23, 20, 0.08);
    background: rgba(255, 255, 255, 0.88);
    box-shadow: 0 12px 32px rgba(26, 23, 20, 0.05);
}

.pr-build__scene-shell {
    position: relative;
    display: grid;
    min-height: 13rem;
}

.pr-build__scene-panel {
    grid-area: 1 / 1;
    opacity: 0;
    transform: translateY(8px);
    transition:
        opacity 0.45s ease,
        transform 0.45s ease;
}

.pr-build__scene-panel.is-active {
    opacity: 1;
    transform: translateY(0);
}

.pr-build__scene-ui {
    border-radius: 0.75rem;
    border: 1px solid rgba(26, 23, 20, 0.08);
    background: #fff;
    overflow: hidden;
}

.pr-build__scene-ui-bar {
    display: flex;
    gap: 0.35rem;
    padding: 0.45rem 0.55rem;
    background: rgba(26, 23, 20, 0.04);
    border-bottom: 1px solid rgba(26, 23, 20, 0.06);
}

.pr-build__scene-ui-dot {
    width: 0.42rem;
    height: 0.42rem;
    border-radius: 50%;
    background: rgba(26, 23, 20, 0.12);
}

.pr-build__scene-ui-body {
    display: grid;
    gap: 0.65rem;
    padding: 0.75rem;
}

.pr-build__scene-ui-kicker {
    margin: 0;
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--pr-accent-deep);
}

.pr-build__scene-ui-thread {
    display: grid;
    gap: 0.35rem;
}

.pr-build__scene-ui-bubble {
    display: inline-block;
    max-width: 92%;
    padding: 0.42rem 0.55rem;
    border-radius: 0.55rem;
    font-size: 0.78rem;
    line-height: 1.35;
}

.pr-build__scene-ui-bubble--in {
    justify-self: start;
    background: rgba(26, 23, 20, 0.05);
    color: rgba(26, 23, 20, 0.72);
}

.pr-build__scene-ui-bubble--out {
    justify-self: end;
    background: rgba(255, 97, 0, 0.12);
    color: var(--pr-ink);
}

.pr-build__scene-ui-status {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    align-items: center;
    font-size: 0.78rem;
    color: rgba(26, 23, 20, 0.68);
}

.pr-build__scene-ui-badge {
    padding: 0.18rem 0.42rem;
    border-radius: 999px;
    background: rgba(255, 97, 0, 0.12);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--pr-accent-deep);
}

.pr-build__scene-ui-queue {
    display: grid;
    gap: 0.32rem;
}

.pr-build__scene-ui-queue-item {
    padding: 0.38rem 0.48rem;
    border-radius: 0.45rem;
    border: 1px solid rgba(26, 23, 20, 0.08);
    font-size: 0.74rem;
    color: rgba(26, 23, 20, 0.55);
}

.pr-build__scene-ui-queue-item.is-done {
    background: rgba(26, 23, 20, 0.03);
}

.pr-build__scene-ui-queue-item.is-active {
    border-color: rgba(255, 97, 0, 0.28);
    background: rgba(255, 97, 0, 0.08);
    color: var(--pr-ink);
    font-weight: 600;
}

.pr-build__scene-ui-card {
    display: grid;
    gap: 0.2rem;
    padding: 0.55rem 0.62rem;
    border-radius: 0.55rem;
    border: 1px solid rgba(255, 97, 0, 0.16);
    background: rgba(255, 97, 0, 0.05);
}

.pr-build__scene-ui-card-label {
    font-size: 0.58rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--pr-accent-deep);
}

.pr-build__scene-ui-card strong {
    font-size: 0.82rem;
    line-height: 1.35;
}

.pr-build__scenes-copy {
    position: relative;
    display: grid;
}

.pr-build__scenes-copy-panel {
    grid-area: 1 / 1;
    margin: 0;
}

.pr-build__scenes-copy-panel p {
    margin: 0;
    color: var(--pr-muted);
    line-height: 1.58;
    font-size: 0.94rem;
}

.pr-build-layers-scene {
    width: 100%;
    height: auto;
}

.pr-build-layers-scene__frame {
    fill: #fff;
    stroke: rgba(26, 23, 20, 0.1);
}

.pr-build-layers-scene__layer-label {
    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.08em;
    fill: var(--pr-muted);
    text-transform: uppercase;
}

.pr-build-layers-scene__layer-label--top {
    fill: var(--pr-ink);
}

.pr-build-layers-scene__case-line {
    stroke-dasharray: 480;
    stroke-dashoffset: 480;
}

.pr-build__layers.is-visible .pr-build-layers-scene__case-line {
    stroke-dashoffset: 0;
}

.pr-build__layers-copy {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 1rem;
}

.pr-build__layers-copy li {
    display: grid;
    gap: 0.25rem;
}

.pr-build__layers-copy strong {
    font-size: 0.82rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--pr-accent-deep);
}

.pr-build__layers-copy span {
    color: var(--pr-muted);
    line-height: 1.55;
}

/* AI flow — auto-animated arrow diagram */
.pr-build__ai-schema {
    display: grid;
    gap: clamp(1rem, 2vw, 1.35rem);
    width: 100%;
    max-width: 100%;
    margin-inline: auto;
    padding: clamp(0.95rem, 2vw, 1.25rem);
    border-radius: 1.1rem;
    border: 1px solid rgba(255, 255, 255, 0.1);
    background:
        radial-gradient(circle at 12% 0%, rgba(255, 97, 0, 0.14) 0%, transparent 42%),
        linear-gradient(165deg, rgba(255, 255, 255, 0.07) 0%, rgba(255, 255, 255, 0.03) 100%);
    box-shadow:
        0 1px 0 rgba(255, 255, 255, 0.06) inset,
        0 18px 36px rgba(0, 0, 0, 0.2);
}

.pr-build__ai-diagram-wrap {
    position: relative;
    min-width: 0;
}

.pr-build__ai-slide-hint {
    display: none;
    align-items: center;
    justify-content: flex-end;
    gap: 0.4rem;
    margin: 0 0 0.55rem;
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: rgba(255, 170, 96, 0.82);
    transition: opacity 0.35s ease;
}

.pr-build__ai-slide-hint-icon {
    position: relative;
    width: 1.15rem;
    height: 0.75rem;
    overflow: hidden;
}

.pr-build__ai-slide-hint-icon::before,
.pr-build__ai-slide-hint-icon::after {
    content: "";
    position: absolute;
    top: 50%;
    width: 0.45rem;
    height: 0.45rem;
    border-top: 1.5px solid rgba(255, 145, 72, 0.9);
    border-right: 1.5px solid rgba(255, 145, 72, 0.9);
    transform: translateY(-50%) rotate(45deg);
    animation: pr-build-ai-slide-nudge 1.35s ease-in-out infinite;
}

.pr-build__ai-slide-hint-icon::before {
    left: 0;
}

.pr-build__ai-slide-hint-icon::after {
    left: 0.38rem;
    animation-delay: 0.18s;
}

@keyframes pr-build-ai-slide-nudge {
    0%,
    100% {
        opacity: 0.35;
        transform: translateY(-50%) translateX(0) rotate(45deg);
    }

    50% {
        opacity: 1;
        transform: translateY(-50%) translateX(0.22rem) rotate(45deg);
    }
}

.pr-build__ai-diagram-viewport {
    position: relative;
    min-width: 0;
}

.pr-build__ai-diagram-scroll {
    overflow-x: auto;
    overflow-y: hidden;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    scroll-snap-type: x proximity;
}

.pr-build__ai-diagram-scroll::-webkit-scrollbar {
    display: none;
}

.pr-build__ai-diagram-scroll:focus-visible {
    outline: 2px solid rgba(255, 145, 72, 0.65);
    outline-offset: 3px;
    border-radius: 0.65rem;
}

.pr-build__ai-diagram-wrap.is-scrolled .pr-build__ai-slide-hint {
    opacity: 0;
    pointer-events: none;
}

.pr-build__ai-diagram {
    width: 100%;
    min-width: 0;
}

.pr-build-ai-flow {
    display: block;
    width: 100%;
    height: auto;
}

.pr-build-ai-flow__frame {
    fill: rgba(255, 255, 255, 0.02);
    stroke: rgba(255, 255, 255, 0.1);
}

.pr-build-ai-flow__zone {
    fill: none;
    stroke: rgba(255, 145, 72, 0.28);
    stroke-dasharray: 5 6;
}

.pr-build-ai-flow__zone-label {
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    fill: rgba(255, 170, 96, 0.75);
}

.pr-build-ai-flow__track {
    fill: none;
    stroke: rgba(255, 255, 255, 0.1);
    stroke-width: 2;
    stroke-linecap: round;
}

.pr-build-ai-flow__arrow {
    fill: none;
    stroke: rgba(255, 145, 72, 0.35);
    stroke-width: 2;
    stroke-linecap: round;
    stroke-dasharray: 7 6;
    opacity: 0.55;
}

.pr-build__ai.is-visible .pr-build-ai-flow__arrow {
    stroke: url(#buildAiFlowGlow);
    opacity: 1;
    animation: pr-build-ai-flow-dash 1.4s linear infinite;
}

.pr-build__ai.is-visible .pr-build-ai-flow__arrow--branch {
    animation-delay: 0.35s;
}

.pr-build__ai.is-visible .pr-build-ai-flow__arrow--merge {
    animation-delay: 0.7s;
}

@keyframes pr-build-ai-flow-dash {
    to {
        stroke-dashoffset: -26;
    }
}

.pr-build-ai-flow__particle {
    opacity: 0;
    filter: drop-shadow(0 0 4px rgba(255, 97, 0, 0.8));
}

.pr-build__ai.is-visible .pr-build-ai-flow__particle {
    opacity: 0.95;
}

.pr-build-ai-flow__node-box {
    fill: rgba(255, 255, 255, 0.05);
    stroke: rgba(255, 255, 255, 0.16);
    transition:
        fill 0.45s ease,
        stroke 0.45s ease,
        filter 0.45s ease;
}

.pr-build-ai-flow__node {
    opacity: 0.62;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node {
    animation: pr-build-ai-node-pulse 14s ease-in-out infinite;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="0"] {
    animation-delay: 0s;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="1"] {
    animation-delay: 1.6s;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="2"] {
    animation-delay: 3.2s;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="3"] {
    animation-delay: 4.8s;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="4"] {
    animation-delay: 6.4s;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="5"] {
    animation-delay: 8s;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="6"] {
    animation-delay: 9.6s;
}

@keyframes pr-build-ai-node-pulse {
    0%,
    8%,
    100% {
        opacity: 0.62;
    }

    2%,
    6% {
        opacity: 1;
    }
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="0"] .pr-build-ai-flow__node-box,
.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="1"] .pr-build-ai-flow__node-box,
.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="2"] .pr-build-ai-flow__node-box,
.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="3"] .pr-build-ai-flow__node-box,
.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="4"] .pr-build-ai-flow__node-box,
.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="5"] .pr-build-ai-flow__node-box,
.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="6"] .pr-build-ai-flow__node-box {
    animation: pr-build-ai-node-glow 14s ease-in-out infinite;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="0"] .pr-build-ai-flow__node-box {
    animation-delay: 0s;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="1"] .pr-build-ai-flow__node-box {
    animation-delay: 1.6s;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="2"] .pr-build-ai-flow__node-box {
    animation-delay: 3.2s;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="3"] .pr-build-ai-flow__node-box {
    animation-delay: 4.8s;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="4"] .pr-build-ai-flow__node-box {
    animation-delay: 6.4s;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="5"] .pr-build-ai-flow__node-box {
    animation-delay: 8s;
}

.pr-build__ai.is-visible .pr-build-ai-flow__node[data-ai-step="6"] .pr-build-ai-flow__node-box {
    animation-delay: 9.6s;
}

@keyframes pr-build-ai-node-glow {
    0%,
    8%,
    100% {
        fill: rgba(255, 255, 255, 0.05);
        stroke: rgba(255, 255, 255, 0.16);
        filter: none;
    }

    2%,
    6% {
        fill: rgba(255, 97, 0, 0.18);
        stroke: rgba(255, 145, 72, 0.9);
        filter: url(#buildAiFlowPulse);
    }
}

.pr-build-ai-flow__node-label {
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 0.08em;
    fill: rgba(255, 255, 255, 0.88);
    text-transform: uppercase;
    pointer-events: none;
}

.pr-build-ai-flow__node-sub {
    font-size: 7px;
    font-weight: 600;
    letter-spacing: 0.12em;
    fill: rgba(255, 255, 255, 0.48);
    text-transform: uppercase;
    pointer-events: none;
}

.pr-build-ai-flow__node-num {
    font-size: 8px;
    font-weight: 700;
    letter-spacing: 0.1em;
    fill: rgba(255, 170, 96, 0.9);
    pointer-events: none;
}

.pr-build-ai-flow__fork circle {
    fill: rgba(255, 97, 0, 0.85);
    stroke: rgba(255, 255, 255, 0.35);
    stroke-width: 2;
}

.pr-build-ai-flow__fork-label {
    font-size: 8px;
    font-weight: 600;
    letter-spacing: 0.1em;
    fill: rgba(255, 255, 255, 0.42);
    text-transform: uppercase;
}

.pr-build__ai-steps {
    display: grid;
    gap: 0.65rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.pr-build__ai-step {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.75rem;
    align-items: start;
    padding: 0.72rem 0.85rem;
    border-radius: 0.85rem;
    border: 1px solid rgba(255, 255, 255, 0.08);
    background: rgba(255, 255, 255, 0.04);
}

.pr-build__ai-step-num {
    display: grid;
    place-items: center;
    min-width: 2rem;
    height: 2rem;
    border-radius: 999px;
    border: 1px solid rgba(255, 145, 72, 0.45);
    background: rgba(255, 97, 0, 0.12);
    color: rgba(255, 170, 96, 0.95);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.08em;
}

.pr-build__ai-step strong {
    display: block;
    margin-bottom: 0.2rem;
    color: #fff;
    font-size: clamp(0.95rem, 1.4vw, 1.05rem);
}

.pr-build__ai-step p {
    margin: 0;
    color: rgba(255, 255, 255, 0.68);
    line-height: 1.55;
    font-size: clamp(0.86rem, 1.2vw, 0.94rem);
}

.pr-build__ai-footer {
    display: grid;
    gap: 0.85rem;
    width: 100%;
    max-width: 100%;
    margin-inline: auto;
    margin-top: clamp(1.1rem, 2.2vw, 1.45rem);
}

.pr-build__quote {
    margin: 2rem 0 1rem;
    padding-left: 1rem;
    border-left: 3px solid var(--pr-accent);
    font-size: clamp(1.05rem, 1.5vw, 1.2rem);
    line-height: 1.5;
    color: #fff;
}

.pr-build__trust-note {
    margin: 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.92rem;
    max-width: 40rem;
}

/* Storyboards */
.pr-build__storyboards {
    display: grid;
    gap: clamp(2rem, 5vw, 3.5rem);
}

.pr-build__storyboard h3 {
    margin: 0 0 1.25rem;
    font-size: clamp(1.1rem, 2vw, 1.35rem);
}

.pr-build__storyboard-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border: 1px solid rgba(26, 23, 20, 0.1);
    border-radius: 0.75rem;
    overflow: hidden;
}

.pr-build__storyboard-col {
    padding: clamp(1rem, 2vw, 1.5rem);
    display: grid;
    gap: 0.5rem;
    align-content: start;
}

.pr-build__storyboard-col--before {
    background: rgba(26, 23, 20, 0.04);
    color: var(--pr-muted);
}

.pr-build__storyboard-col--with {
    background: rgba(255, 97, 0, 0.06);
    border-inline: 1px solid rgba(255, 97, 0, 0.15);
}

.pr-build__storyboard-col--result {
    background: #fff;
}

.pr-build__storyboard-label {
    font-size: 0.7rem;
    font-weight: 600;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--pr-accent-deep);
}

.pr-build__storyboard-col p {
    margin: 0;
    line-height: 1.55;
    font-size: 0.92rem;
}

.pr-build__storyboard--rtl .pr-build__storyboard-grid {
    direction: rtl;
}

.pr-build__storyboard--rtl .pr-build__storyboard-col {
    direction: ltr;
}

/* Production sheet */
.pr-build__production-sheet {
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 1rem;
    padding: clamp(1.25rem, 3vw, 2rem);
    background: rgba(255, 255, 255, 0.04);
}

.pr-build__production-checks {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 1.25rem;
}

.pr-build__production-checks li {
    display: grid;
    grid-template-columns: auto 1fr;
    gap: 0.25rem 0.75rem;
    opacity: 0.55;
    transition: opacity 0.35s ease;
}

.pr-build__production-checks li.is-checked {
    opacity: 1;
}

.pr-build__production-checks strong {
    grid-column: 2;
    font-size: 0.85rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    color: #fff;
}

.pr-build__production-checks p {
    grid-column: 2;
    margin: 0;
    color: rgba(255, 255, 255, 0.72);
    line-height: 1.55;
    font-size: 0.92rem;
}

.pr-build__production-seal {
    margin: 2rem 0 0;
    padding-top: 1.25rem;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 0.72rem;
    font-weight: 700;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: rgba(255, 145, 72, 0.95);
    text-align: center;
}

.pr-build__production-sheet.is-verified .pr-build__production-seal::after {
    content: " · VERIFIED";
    color: rgba(255, 255, 255, 0.5);
}

/* Method */
.pr-build__method {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0;
    border-left: 2px solid rgba(255, 97, 0, 0.35);
    padding-left: 1.5rem;
}

.pr-build__method-step {
    position: relative;
    padding: 0 0 2rem 0.5rem;
}

.pr-build__method-step::before {
    content: "";
    position: absolute;
    left: -1.65rem;
    top: 0.35rem;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--pr-accent);
    border: 2px solid var(--bd-warm);
}

.pr-build__method-step h3 {
    margin: 0 0 0.5rem;
    font-size: 1.05rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pr-build__method-step p {
    margin: 0;
    color: var(--pr-muted);
    line-height: 1.6;
    max-width: 40rem;
}

.pr-build__method-clear {
    margin-top: 0.65rem !important;
    font-size: 0.88rem !important;
}

/* Start band */
.pr-build__start-band {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
    border: 1px solid rgba(26, 23, 20, 0.1);
    border-radius: 0.75rem;
    overflow: hidden;
}

.pr-build__start-level {
    padding: clamp(1.25rem, 2.5vw, 1.75rem);
    border-right: 1px solid rgba(26, 23, 20, 0.08);
    background: linear-gradient(180deg, #fff 0%, rgba(247, 242, 234, 0.5) 100%);
}

.pr-build__start-level:last-child {
    border-right: none;
}

.pr-build__start-level h3 {
    margin: 0 0 0.65rem;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 0.04em;
}

.pr-build__start-level p {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--pr-muted);
}

.pr-build__start-receive {
    margin-top: 0.75rem !important;
    font-size: 0.85rem !important;
}

.pr-build__start-cta {
    margin-top: 1.75rem;
}

/* FAQ */
.pr-build__faq {
    display: grid;
    gap: 0.5rem;
    max-width: 44rem;
}

.pr-build__faq-item {
    border: 1px solid rgba(26, 23, 20, 0.1);
    border-radius: 0.65rem;
    background: #fff;
    overflow: hidden;
}

.pr-build__faq-item summary {
    padding: 1rem 1.15rem;
    font-weight: 500;
    cursor: pointer;
    list-style: none;
    min-height: 44px;
    display: flex;
    align-items: center;
}

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

.pr-build__faq-item summary::after {
    content: "+";
    margin-left: auto;
    font-size: 1.1rem;
    color: var(--pr-accent-deep);
}

.pr-build__faq-item[open] summary::after {
    content: "−";
}

.pr-build__faq-item p {
    margin: 0;
    padding: 0 1.15rem 1rem;
    color: var(--pr-muted);
    line-height: 1.6;
    font-size: 0.92rem;
}

.pr-build__faq-item summary:focus-visible {
    outline: 2px solid var(--pr-accent);
    outline-offset: -2px;
}

/* Final CTA */
.pr-build__final-card {
    display: grid;
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: clamp(1.5rem, 3vw, 2.5rem);
    align-items: end;
    padding: clamp(1.75rem, 3.5vw, 2.75rem);
    border-radius: 1.25rem;
    color: #fff;
    background:
        radial-gradient(circle at 90% 10%, rgba(255, 97, 0, 0.45), transparent 22rem),
        var(--bd-ink);
    border: 1px solid rgba(255, 255, 255, 0.08);
    box-shadow: 0 28px 72px rgba(26, 23, 20, 0.18);
}

.pr-build__final-card .pr-eyebrow {
    color: rgba(255, 145, 72, 0.95);
}

.pr-build__final-card .pr-heading {
    margin: 0;
    color: #fff;
    max-width: 16ch;
}

.pr-build__final-card .pr-lead {
    color: rgba(255, 255, 255, 0.78);
    margin: 0;
}

.pr-build__final-micro {
    margin: 0.75rem 0 0;
    font-size: 0.78rem;
    letter-spacing: 0.06em;
    color: rgba(255, 255, 255, 0.52);
}

.pr-build__final-actions {
    display: grid;
    gap: 0.65rem;
}

.pr-build__final-card .pr-button--primary {
    background: #fff;
    color: var(--bd-ink);
    border-color: #fff;
}

.pr-build__final-card .pr-button--secondary {
    border-color: rgba(255, 255, 255, 0.25);
    color: #fff;
}

/* Motion */
@media (prefers-reduced-motion: no-preference) {
    .pr-build-horizon [data-horizon-part],
    .pr-build-horizon .pr-build-horizon__arc,
    .pr-build-horizon .pr-build-horizon__signal,
    .pr-build-horizon .pr-build-horizon__result-mark,
    .pr-build-horizon .pr-build-horizon__dot {
        transition:
            opacity 0.45s ease,
            transform 0.55s cubic-bezier(0.22, 1, 0.36, 1),
            stroke-dashoffset 0.55s ease,
            fill 0.35s ease,
            stroke 0.35s ease;
    }

    .pr-build__friction-line,
    .pr-build-layers-scene__case-line {
        transition: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .pr-build-horizon [data-horizon-part],
    .pr-build-horizon .pr-build-horizon__arc,
    .pr-build-horizon .pr-build-horizon__result-mark {
        opacity: 1 !important;
    }

    .pr-build-horizon [data-horizon-part="main"] {
        transform: translateY(0) !important;
    }

    .pr-build-horizon .pr-build-horizon__signal {
        stroke-dashoffset: 0 !important;
    }

    .pr-build-horizon [data-horizon-step="delivered"] .pr-build-horizon__dot {
        fill: var(--pr-accent, #ff6100) !important;
        stroke: var(--pr-accent, #ff6100) !important;
    }

    .pr-build__ai.is-visible .pr-build-ai-flow__arrow,
    .pr-build__ai.is-visible .pr-build-ai-flow__node,
    .pr-build__ai.is-visible .pr-build-ai-flow__node .pr-build-ai-flow__node-box {
        animation: none !important;
    }

    .pr-build-ai-flow__node {
        opacity: 1;
    }

    .pr-build-ai-flow__particle {
        display: none;
    }

    .pr-build-story.is-playing * {
        animation: none !important;
    }
}

/* —— Hero work story · agentized product · step-driven —— */

.pr-build-story {
    --story-height: 420px;
    --story-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --story-dur: 0.68s;
    display: grid;
    gap: 0.65rem;
    width: 100%;
}

.pr-build-story__frame {
    border: 1px solid rgba(26, 23, 20, 0.1);
    border-radius: 16px;
    overflow: hidden;
    background: #fff;
    box-shadow: 0 24px 60px rgba(26, 23, 20, 0.08);
}

.pr-build-story__chrome {
    display: flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.65rem 0.85rem;
    background: #f3f0eb;
    border-bottom: 1px solid rgba(26, 23, 20, 0.08);
    position: relative;
    min-height: 2.35rem;
}

.pr-build-story__dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: rgba(26, 23, 20, 0.15);
}

.pr-build-story__title {
    margin-left: 0.35rem;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    color: var(--pr-muted);
    transition: opacity var(--story-dur) var(--story-ease);
}

.pr-build-story__title--product {
    position: absolute;
    left: 2.65rem;
    opacity: 0;
}

.pr-build-story__badge {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    margin-left: auto;
    padding: 0.22rem 0.55rem;
    border-radius: 999px;
    background: rgba(61, 92, 74, 0.08);
    border: 1px solid rgba(61, 92, 74, 0.18);
    font-size: 0.58rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: #3d5c4a;
    opacity: 0;
    transition: opacity var(--story-dur) var(--story-ease);
}

.pr-build-story__badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #3d5c4a;
    animation: buildStoryLivePulse 1.4s ease-in-out infinite;
}

.pr-build-story__stage {
    position: relative;
    height: var(--story-height);
    overflow: hidden;
    background: #fff;
}

.pr-build-story__chaos,
.pr-build-story__product {
    position: absolute;
    inset: 0;
    padding: 0.75rem 0.9rem 0.7rem;
    transition:
        opacity var(--story-dur) var(--story-ease),
        transform var(--story-dur) var(--story-ease);
}

.pr-build-story__chaos {
    display: grid;
    grid-template-rows: 1fr auto auto;
    gap: 0.45rem;
    opacity: 1;
    background: linear-gradient(180deg, #fff 0%, #fff7f4 100%);
}

.pr-build-story__product {
    display: grid;
    grid-template-rows: auto auto 1fr auto;
    gap: 0.45rem;
    opacity: 0;
    pointer-events: none;
    transform: translateY(6px);
    background: linear-gradient(180deg, #fff 0%, #f7fbf8 100%);
}

.pr-build-story__apps {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.4rem;
    align-content: start;
}

.pr-build-story__app {
    display: flex;
    align-items: flex-start;
    gap: 0.4rem;
    padding: 0.48rem 0.55rem;
    border-radius: 10px;
    background: #fff;
    border: 1px solid rgba(26, 23, 20, 0.1);
    box-shadow: 0 6px 18px rgba(26, 23, 20, 0.05);
    opacity: 0;
    transform: translateY(5px);
    transition:
        opacity var(--story-dur) var(--story-ease),
        transform var(--story-dur) var(--story-ease);
}

.pr-build-story__app--crm { border-left: 3px solid #6366f1; }
.pr-build-story__app--projects { border-left: 3px solid #ff6100; }
.pr-build-story__app--docs { border-left: 3px solid #64748b; }
.pr-build-story__app--chat { border-left: 3px solid #25a56a; }

.pr-build-story__app strong {
    display: block;
    font-size: 0.64rem;
    line-height: 1.2;
    margin-bottom: 0.12rem;
}

.pr-build-story__app p {
    margin: 0;
    font-size: 0.58rem;
    line-height: 1.35;
    color: var(--pr-muted);
}

.pr-build-story__app-icon {
    width: 24px;
    height: 24px;
    border-radius: 7px;
    flex-shrink: 0;
}

.pr-build-story__app-icon--crm { background: linear-gradient(145deg, #818cf8, #6366f1); }
.pr-build-story__app-icon--projects { background: linear-gradient(145deg, #ff6100, #e05500); }
.pr-build-story__app-icon--docs { background: linear-gradient(145deg, #64748b, #475569); }
.pr-build-story__app-icon--chat { background: linear-gradient(145deg, #25d366, #128c47); }

.pr-build-story__hub {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.28rem;
    opacity: 0;
    transform: scale(0.94);
    transition:
        opacity var(--story-dur) var(--story-ease),
        transform var(--story-dur) var(--story-ease);
}

.pr-build-story__hub-mark {
    position: relative;
    width: 30px;
    height: 30px;
    display: grid;
    place-items: center;
}

.pr-build-story__hub-ring {
    position: absolute;
    inset: 0;
    border-radius: 50%;
    border: 2px dashed rgba(255, 97, 0, 0.45);
}

.pr-build-story__hub-core {
    position: relative;
    z-index: 1;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #ff6100;
    box-shadow: 0 0 0 5px rgba(255, 97, 0, 0.12);
}

.pr-build-story__hub p {
    margin: 0;
    font-size: 0.56rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    text-align: center;
    color: #b44a32;
}

.pr-build-story__pain {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.28rem;
}

.pr-build-story__pain li {
    padding: 0.34rem 0.5rem;
    border-radius: 8px;
    background: rgba(180, 70, 50, 0.08);
    border: 1px solid rgba(180, 70, 50, 0.18);
    font-size: 0.58rem;
    color: #8b3a2f;
    opacity: 0;
    transform: translateY(4px);
    transition:
        opacity var(--story-dur) var(--story-ease),
        transform var(--story-dur) var(--story-ease);
}

.pr-build-story__product-head {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: 0.65rem;
}

.pr-build-story__product-head strong {
    display: block;
    font-size: 0.76rem;
    letter-spacing: 0.04em;
}

.pr-build-story__product-head span {
    display: block;
    margin-top: 0.1rem;
    color: var(--pr-muted);
    font-size: 0.62rem;
}

.pr-build-story__product-status {
    flex-shrink: 0;
    padding: 0.2rem 0.5rem;
    border-radius: 999px;
    background: rgba(255, 97, 0, 0.08);
    color: #c24e00;
    font-size: 0.56rem;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.pr-build-story__modes {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.35rem;
}

.pr-build-story__mode {
    display: grid;
    gap: 0.08rem;
    padding: 0.38rem 0.5rem;
    border-radius: 10px;
    border: 1px solid rgba(26, 23, 20, 0.1);
    background: #fff;
    font-size: 0.56rem;
    color: var(--pr-muted);
    transition:
        border-color calc(var(--story-dur) * 0.85) var(--story-ease),
        background calc(var(--story-dur) * 0.85) var(--story-ease),
        box-shadow calc(var(--story-dur) * 0.85) var(--story-ease);
}

.pr-build-story__mode-label {
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--pr-ink);
}

.pr-build-story__person-panel,
.pr-build-story__agent-panel {
    padding: 0.48rem 0.55rem;
    border-radius: 10px;
    background: rgba(255, 255, 255, 0.88);
    border: 1px solid rgba(26, 23, 20, 0.06);
    opacity: 0;
    transform: translateY(4px);
    transition:
        opacity var(--story-dur) var(--story-ease),
        transform var(--story-dur) var(--story-ease);
}

.pr-build-story__panel-kicker {
    margin: 0 0 0.3rem;
    font-size: 0.56rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: var(--pr-muted);
}

.pr-build-story__person-steps,
.pr-build-story__agent-actions {
    list-style: none;
    margin: 0;
    padding: 0;
    display: grid;
    gap: 0.24rem;
}

.pr-build-story__person-steps li,
.pr-build-story__agent-actions li {
    font-size: 0.6rem;
    line-height: 1.35;
    color: var(--pr-muted);
    padding-left: 0.75rem;
    position: relative;
}

.pr-build-story__person-steps li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: #ff6100;
    font-size: 0.58rem;
}

.pr-build-story__agent-actions li {
    opacity: 0;
    transform: translateX(-4px);
    transition:
        opacity var(--story-dur) var(--story-ease),
        transform var(--story-dur) var(--story-ease);
}

.pr-build-story__agent-actions li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #3d5c4a;
    font-size: 0.58rem;
    opacity: 0;
    transition: opacity calc(var(--story-dur) * 0.85) var(--story-ease);
}

.pr-build-story__agent-goal {
    margin-bottom: 0.35rem;
    padding: 0.38rem 0.45rem;
    border-radius: 8px;
    background: rgba(99, 102, 241, 0.06);
    border: 1px solid rgba(99, 102, 241, 0.14);
}

.pr-build-story__agent-goal span {
    display: block;
    font-size: 0.54rem;
    letter-spacing: 0.07em;
    text-transform: uppercase;
    color: #6366f1;
    margin-bottom: 0.12rem;
}

.pr-build-story__agent-goal p {
    margin: 0;
    font-size: 0.6rem;
    line-height: 1.4;
}

.pr-build-story__result {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    padding: 0.48rem 0.6rem;
    border-radius: 10px;
    background: #fff;
    border: 1px solid rgba(61, 92, 74, 0.28);
    box-shadow: 0 8px 20px rgba(61, 92, 74, 0.1);
    opacity: 0;
    transform: translateY(5px) scale(0.98);
    transition:
        opacity var(--story-dur) var(--story-ease),
        transform var(--story-dur) var(--story-ease);
}

.pr-build-story__result-icon {
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background: #3d5c4a;
    color: #fff;
    font-size: 0.68rem;
    line-height: 24px;
    text-align: center;
    flex-shrink: 0;
}

.pr-build-story__result strong {
    display: block;
    font-size: 0.6rem;
    letter-spacing: 0.06em;
    color: #3d5c4a;
}

.pr-build-story__result span {
    display: block;
    font-size: 0.56rem;
    color: var(--pr-muted);
}

.pr-build-story__footer {
    display: grid;
    gap: 0.55rem;
}

.pr-build-story__caption {
    margin: 0;
    text-align: center;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--pr-muted);
}

.pr-build-story__controls {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 0.5rem 0.65rem;
}

.pr-build-story__nav {
    display: flex;
    align-items: center;
    gap: 0.35rem;
}

.pr-build-story__nav-badge {
    width: 28px;
    height: 28px;
    border-radius: 999px;
    border: 1px solid rgba(26, 23, 20, 0.14);
    background: #fff;
    color: var(--pr-muted);
    font-size: 0.68rem;
    font-weight: 700;
    line-height: 1;
    cursor: pointer;
    transition: border-color 0.2s ease, background 0.2s ease, color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}

.pr-build-story__nav-badge:hover {
    border-color: rgba(255, 97, 0, 0.35);
    color: var(--pr-ink);
}

.pr-build-story__nav-badge.is-active {
    border-color: var(--pr-accent);
    background: var(--pr-accent);
    color: #fff;
    box-shadow: 0 4px 14px rgba(255, 97, 0, 0.22);
    transform: translateY(-1px);
}

.pr-build-story__next,
.pr-build-story__replay {
    border: 1px solid rgba(26, 23, 20, 0.12);
    border-radius: 999px;
    background: #fff;
    padding: 0.35rem 0.85rem;
    font-size: 0.68rem;
    cursor: pointer;
    transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.pr-build-story__next:hover,
.pr-build-story__replay:hover {
    border-color: rgba(255, 97, 0, 0.35);
    box-shadow: 0 4px 14px rgba(255, 97, 0, 0.1);
}

/* Step states */
.pr-build-story.is-step-1 .pr-build-story__title--chaos { opacity: 1; }

.pr-build-story.is-step-2 .pr-build-story__title--chaos,
.pr-build-story.is-step-3 .pr-build-story__title--chaos,
.pr-build-story.is-step-4 .pr-build-story__title--chaos { opacity: 0; }

.pr-build-story.is-step-2 .pr-build-story__title--product,
.pr-build-story.is-step-3 .pr-build-story__title--product,
.pr-build-story.is-step-4 .pr-build-story__title--product { opacity: 1; }

.pr-build-story.is-step-2 .pr-build-story__badge,
.pr-build-story.is-step-3 .pr-build-story__badge,
.pr-build-story.is-step-4 .pr-build-story__badge { opacity: 1; }

.pr-build-story.is-step-1 .pr-build-story__chaos {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
}

.pr-build-story.is-step-2 .pr-build-story__chaos,
.pr-build-story.is-step-3 .pr-build-story__chaos,
.pr-build-story.is-step-4 .pr-build-story__chaos {
    opacity: 0;
    pointer-events: none;
    transform: translateY(-5px);
}

.pr-build-story.is-step-2 .pr-build-story__product,
.pr-build-story.is-step-3 .pr-build-story__product,
.pr-build-story.is-step-4 .pr-build-story__product {
    opacity: 1;
    pointer-events: auto;
    transform: translateY(0);
    transition-delay: 0.14s;
}

.pr-build-story.is-step-1 [data-build-story-app="crm"],
.pr-build-story.is-step-1 [data-build-story-app="projects"],
.pr-build-story.is-step-1 [data-build-story-app="docs"],
.pr-build-story.is-step-1 [data-build-story-app="chat"],
.pr-build-story.is-step-1 [data-build-story-hub],
.pr-build-story.is-step-1 [data-build-story-pain="1"],
.pr-build-story.is-step-1 [data-build-story-pain="2"],
.pr-build-story.is-step-1 [data-build-story-pain="3"] {
    opacity: 1;
    transform: translateY(0);
}

.pr-build-story.is-step-1 [data-build-story-hub] {
    transform: scale(1);
}

.pr-build-story.is-step-2 [data-build-story-person-panel] {
    opacity: 1;
    transform: translateY(0);
}

.pr-build-story.is-step-2 [data-build-story-agent-panel],
.pr-build-story.is-step-4 [data-build-story-person-panel] {
    opacity: 0;
    transform: translateY(4px);
    pointer-events: none;
    max-height: 0;
    overflow: hidden;
    padding-top: 0;
    padding-bottom: 0;
    border-width: 0;
}

.pr-build-story.is-step-3 [data-build-story-agent-panel] {
    opacity: 1;
    transform: translateY(0);
    max-height: 200px;
}

.pr-build-story.is-step-3 [data-build-story-person-panel] {
    opacity: 0;
    transform: translateY(4px);
    pointer-events: none;
    max-height: 0;
    overflow: hidden;
    padding-top: 0;
    padding-bottom: 0;
    border-width: 0;
}

.pr-build-story.is-step-2 .pr-build-story__mode--person,
.pr-build-story.is-step-3 .pr-build-story__mode--agent {
    border-color: rgba(255, 97, 0, 0.35);
    background: rgba(255, 97, 0, 0.06);
    box-shadow: 0 4px 12px rgba(255, 97, 0, 0.08);
}

.pr-build-story.is-step-2 [data-build-story-person-panel] {
    opacity: 1;
    transform: translateY(0);
}

.pr-build-story.is-step-3 [data-build-story-agent-panel] {
    opacity: 1;
    transform: translateY(0);
}

.pr-build-story.is-step-3 [data-build-story-action="1"],
.pr-build-story.is-step-3 [data-build-story-action="2"],
.pr-build-story.is-step-3 [data-build-story-action="3"],
.pr-build-story.is-step-4 [data-build-story-action="1"],
.pr-build-story.is-step-4 [data-build-story-action="2"],
.pr-build-story.is-step-4 [data-build-story-action="3"],
.pr-build-story.is-step-4 [data-build-story-action="4"],
.pr-build-story.is-step-4 [data-build-story-action="5"] {
    opacity: 1;
    transform: translateX(0);
}

.pr-build-story.is-step-3 [data-build-story-action="1"]::before,
.pr-build-story.is-step-3 [data-build-story-action="2"]::before,
.pr-build-story.is-step-4 [data-build-story-action="1"]::before,
.pr-build-story.is-step-4 [data-build-story-action="2"]::before,
.pr-build-story.is-step-4 [data-build-story-action="3"]::before,
.pr-build-story.is-step-4 [data-build-story-action="4"]::before,
.pr-build-story.is-step-4 [data-build-story-action="5"]::before {
    opacity: 1;
}

.pr-build-story.is-step-4 [data-build-story-result] {
    opacity: 1;
    transform: translateY(0) scale(1);
    transition-delay: 0.12s;
}

.pr-build-story.is-step-4 .pr-build-story__product-status {
    background: rgba(61, 92, 74, 0.1);
    color: #3d5c4a;
}

.pr-build-story.is-static .pr-build-story__chaos { opacity: 0; }

.pr-build-story.is-static .pr-build-story__product {
    opacity: 1;
    pointer-events: auto;
    transform: none;
}

.pr-build-story.is-static .pr-build-story__title--chaos { opacity: 0; }

.pr-build-story.is-static .pr-build-story__title--product,
.pr-build-story.is-static .pr-build-story__badge,
.pr-build-story.is-static [data-build-story-agent-panel],
.pr-build-story.is-static [data-build-story-action],
.pr-build-story.is-static .pr-build-story__result {
    opacity: 1;
    transform: none;
}

.pr-build-story.is-static .pr-build-story__agent-actions li::before { opacity: 1; }

@keyframes buildStoryLivePulse {
    0%, 100% { opacity: 0.45; transform: scale(0.85); }
    50% { opacity: 1; transform: scale(1); }
}

@media (max-width: 767px) {
    .pr-build-story {
        --story-height: 26.5rem;
    }

    .pr-build-story__stage {
        min-height: var(--story-height);
    }

    .pr-build-story__chrome {
        flex-wrap: wrap;
        align-items: flex-start;
        row-gap: 0.35rem;
        min-height: 0;
        padding-block: 0.55rem;
    }

    .pr-build-story__title {
        flex: 1 1 100%;
        order: 2;
        margin-left: 0;
        font-size: 0.56rem;
        line-height: 1.35;
        white-space: normal;
    }

    .pr-build-story__title--product {
        position: static;
        left: auto;
    }

    .pr-build-story__badge {
        order: 1;
        margin-left: auto;
    }

    .pr-build-story.is-step-1 .pr-build-story__product {
        display: none;
    }

    .pr-build-story.is-step-2 .pr-build-story__chaos,
    .pr-build-story.is-step-3 .pr-build-story__chaos,
    .pr-build-story.is-step-4 .pr-build-story__chaos {
        display: none;
    }

    .pr-build-story.is-step-3 [data-build-story-agent-panel] {
        max-height: none;
    }

    .pr-build-story__app p,
    .pr-build-story__person-steps li,
    .pr-build-story__agent-actions li {
        font-size: 0.58rem;
    }
}

@media (prefers-reduced-motion: reduce) {
    .pr-build-story.is-playing * {
        animation: none !important;
    }

    .pr-build-story *,
    .pr-build-story *::before,
    .pr-build-story *::after {
        transition: none !important;
    }
}

/* Responsive */
@media (max-width: 1024px) {
    .pr-build__band--hero {
        min-height: auto;
    }

    .pr-build__hero {
        grid-template-columns: 1fr;
        min-height: auto;
    }

    .pr-build__hero-copy {
        grid-column: 1 / -1;
    }

    .pr-build__hero-visual {
        position: relative;
        right: auto;
        top: auto;
        width: 100%;
        max-width: none;
        margin-inline: 0;
        order: 2;
        pointer-events: auto;
    }

    .pr-build__hero-copy .pr-actions {
        flex-wrap: wrap;
    }

    .pr-build__formats-tabs {
        grid-template-columns: repeat(5, minmax(11.5rem, 1fr));
        min-width: 52rem;
    }

    .pr-build__formats-detail {
        grid-template-columns: 1fr;
    }

    .pr-build__formats-preview {
        order: -1;
        max-width: none;
        width: 100%;
        margin-inline: 0;
        justify-self: stretch;
    }

    .pr-build__formats-copy {
        min-height: 12rem;
        overflow: hidden;
    }

    .pr-build__formats-tab.is-active {
        transform: none;
    }

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

    .pr-build__scenes-tabs {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .pr-build__arch-operators {
        grid-template-columns: 1fr;
    }

    .pr-build__arch-foundation {
        grid-template-columns: 1fr;
    }

    .pr-build__scene-shell {
        min-height: 11rem;
    }

    .pr-build__storyboard-grid {
        grid-template-columns: 1fr;
    }

    .pr-build__storyboard--rtl .pr-build__storyboard-grid {
        direction: ltr;
    }

    .pr-build__start-band {
        grid-template-columns: 1fr;
    }

    .pr-build__start-level {
        border-right: none;
        border-bottom: 1px solid rgba(26, 23, 20, 0.08);
    }

    .pr-build__final-card {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 767px) {
    .pr-build__band {
        padding-block: clamp(2.35rem, 7vw, 3.25rem);
    }

    .pr-build__band--hero {
        padding-top: 0.25rem;
        padding-bottom: 2rem;
        overflow: visible;
    }

    .pr-build__section-head {
        margin-bottom: 1.5rem;
    }

    .pr-build .pr-heading,
    .pr-build .pr-heading--wide {
        max-width: none;
        font-size: clamp(1.65rem, 6.2vw, 2.15rem);
        line-height: 1.06;
        letter-spacing: -0.042em;
    }

    .pr-build .pr-lead {
        margin-top: 0.85rem;
        font-size: 0.96rem;
        line-height: 1.58;
    }

    .pr-build .pr-eyebrow {
        font-size: 0.68rem;
        letter-spacing: 0.1em;
    }

    .pr-build__display {
        max-width: none;
        font-size: clamp(1.95rem, 7.4vw, 2.45rem);
        line-height: 1.05;
        letter-spacing: -0.038em;
        margin-bottom: 0.85rem;
    }

    html:lang(es) .pr-build__display,
    html:lang(fr) .pr-build__display {
        font-size: clamp(1.78rem, 6.8vw, 2.2rem);
        line-height: 1.08;
    }

    .pr-build__hero-copy {
        padding-top: 0.25rem;
    }

    .pr-build__hero-sub {
        font-size: 0.92rem;
        line-height: 1.55;
        margin-bottom: 1rem;
    }

    .pr-build__caps {
        font-size: 0.72rem;
        line-height: 1.45;
    }

    .pr-build__hero-closure {
        font-size: 0.9rem;
        line-height: 1.5;
    }

    .pr-build__hero-visual {
        width: 100%;
        max-width: none;
        margin-top: 0.5rem;
        margin-bottom: 0;
        aspect-ratio: auto;
    }

    .pr-build__formats-detail {
        padding: 1rem;
        gap: 1rem;
    }

    .pr-build__formats-preview {
        order: -1;
        width: 100%;
        max-width: none;
        margin-inline: 0;
        min-height: 10.5rem;
        justify-self: stretch;
    }

    .pr-build__formats-copy {
        min-height: 13.5rem;
        overflow: hidden;
    }

    .pr-build__formats-tabs {
        min-width: 46rem;
        grid-template-columns: repeat(5, minmax(10.25rem, 1fr));
    }

    .pr-build__scenes-layout {
        gap: 0.85rem;
    }

    .pr-build__scenes-tabs {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .pr-build__scenes-tab {
        padding: 0.62rem 0.45rem;
        font-size: 0.82rem;
        text-align: center;
    }

    .pr-build__scenes-stage {
        overflow: hidden;
    }

    .pr-build__scene-shell {
        min-height: 10.5rem;
    }

    .pr-build__friction-card-panel p {
        padding-left: 0;
    }

    .pr-build__friction-trigger-title {
        font-size: 0.92rem;
    }

    .pr-build__friction-layout {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .pr-build__friction-main {
        order: 1;
        padding-left: 1.25rem;
    }

    .pr-build__friction-aside {
        position: static;
        order: 2;
    }

    .pr-build__friction-card-stage {
        min-height: 9.5rem;
    }

    .pr-build__friction-trigger.is-active {
        transform: none;
    }

    .pr-build__callout {
        font-size: 0.95rem;
    }

    .pr-build__formats-panel h3,
    .pr-build__storyboard h3 {
        font-size: 1.05rem;
        line-height: 1.32;
    }

    .pr-build__final-card .pr-heading {
        max-width: none;
        font-size: clamp(1.65rem, 6.2vw, 2.1rem);
    }

    .pr-build__final-card {
        padding: 1.35rem;
    }

    .pr-build .pr-actions--compact {
        flex-direction: column;
        align-items: stretch;
        gap: 0.55rem;
    }

    .pr-build .pr-actions--compact .pr-button {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 640px) {
    .pr-build__display {
        font-size: clamp(1.82rem, 7vw, 2.2rem);
    }

    html:lang(es) .pr-build__display,
    html:lang(fr) .pr-build__display {
        font-size: clamp(1.68rem, 6.4vw, 2rem);
    }

    .pr-build .pr-heading,
    .pr-build .pr-heading--wide {
        font-size: clamp(1.55rem, 5.8vw, 1.95rem);
    }

    .pr-build__hero-visual {
        width: 100%;
        max-width: none;
        aspect-ratio: auto;
    }

    .pr-build__ai-diagram-wrap.has-overflow .pr-build__ai-slide-hint {
        display: flex;
    }

    .pr-build__ai-diagram-viewport .pr-build__ai-diagram-scroll {
        margin-inline: calc(-1 * clamp(0.65rem, 2vw, 0.85rem));
        padding-inline: clamp(0.65rem, 2vw, 0.85rem);
    }

    .pr-build-ai-flow {
        min-width: 52rem;
    }

    .pr-build__ai-schema {
        padding: 0.85rem 0.95rem;
        gap: 0.75rem;
    }

    .pr-build__ai-step {
        padding: 0.65rem 0.75rem;
    }

    .pr-build__ai-step p {
        font-size: 0.86rem;
        line-height: 1.55;
    }

    .pr-build__ai-footer {
        max-width: none;
        margin-top: 1rem;
    }

    .pr-build__quote {
        margin-top: 0;
        font-size: 0.98rem;
    }
}