/* ==========================================================================
   Krafton engineering design system (Zelio theme extension)
   - Tokens for light & dark, typography split (mono labels / sans reading)
   - Components for the "engineering-*" shortcodes
   - Motion: CSS + IntersectionObserver, all disabled under reduced motion
   ========================================================================== */

:root {
    --eng-brand: var(--primary-color, #62a92b);
    --eng-accent: var(--eng-brand);
    --eng-accent-ink: color-mix(in srgb, var(--eng-brand) 72%, #0b0f08);
    --eng-accent-soft: color-mix(in srgb, var(--eng-brand) 12%, transparent);
    --eng-accent-line: color-mix(in srgb, var(--eng-brand) 38%, transparent);

    --eng-bg: #ffffff;
    --eng-surface: #ffffff;
    --eng-surface-2: #f6f7f3;
    --eng-surface-3: #eef0ea;
    --eng-ink: #14171c;
    --eng-ink-2: #474c55;
    --eng-ink-3: #6a7079;
    --eng-line: rgba(20, 24, 18, 0.1);
    --eng-line-2: rgba(20, 24, 18, 0.16);
    --eng-grid: rgba(20, 24, 18, 0.055);
    --eng-shadow: 0 1px 0 rgba(20, 24, 18, 0.04), 0 12px 32px -18px rgba(20, 24, 18, 0.18);
    --eng-shadow-hover: 0 1px 0 rgba(20, 24, 18, 0.04), 0 22px 48px -24px rgba(20, 24, 18, 0.28);
    --eng-glow: 0 0 0 transparent;

    --eng-mono: var(--primary-font, 'DM Mono'), ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
    --eng-sans: var(--body-font, 'Inter'), ui-sans-serif, system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;

    --eng-radius: 16px;
    --eng-radius-sm: 10px;
    --eng-ease: cubic-bezier(0.22, 1, 0.36, 1);
    --eng-section-y: clamp(48px, 6vw, 88px);

    --eng-status-live: #1f9d55;
    --eng-status-dev: #c58a06;
    --eng-status-proto: #6a5acd;
    --eng-status-internal: #3b82c4;
    --eng-status-archived: #7a7f87;
}

[data-bs-theme='dark'] {
    --eng-accent: color-mix(in srgb, var(--eng-brand) 86%, #ffffff);
    --eng-accent-ink: color-mix(in srgb, var(--eng-brand) 70%, #ffffff);
    --eng-accent-soft: color-mix(in srgb, var(--eng-brand) 14%, transparent);
    --eng-accent-line: color-mix(in srgb, var(--eng-brand) 40%, transparent);

    --eng-bg: #17181c;
    --eng-surface: #1d1e23;
    --eng-surface-2: #22242a;
    --eng-surface-3: #2a2c33;
    --eng-ink: #eceef1;
    --eng-ink-2: #b6bac2;
    --eng-ink-3: #8c919a;
    --eng-line: rgba(255, 255, 255, 0.08);
    --eng-line-2: rgba(255, 255, 255, 0.14);
    --eng-grid: rgba(255, 255, 255, 0.04);
    --eng-shadow: 0 1px 0 rgba(255, 255, 255, 0.03) inset, 0 16px 40px -24px rgba(0, 0, 0, 0.6);
    --eng-shadow-hover: 0 1px 0 rgba(255, 255, 255, 0.05) inset, 0 26px 56px -28px rgba(0, 0, 0, 0.75);
    --eng-glow: 0 0 24px -6px color-mix(in srgb, var(--eng-brand) 45%, transparent);

    --eng-status-live: #4ade80;
    --eng-status-dev: #fbbf24;
    --eng-status-proto: #a5a0ff;
    --eng-status-internal: #7cc0ff;
    --eng-status-archived: #9aa0a8;
}

/* --------------------------------------------------------------------------
   Base section + typography
   -------------------------------------------------------------------------- */

.eng-section {
    position: relative;
    padding-block: calc(var(--eng-section-y) / 2);
    color: var(--eng-ink);
    font-family: var(--eng-sans);
}

/* Headings keep the Krafton monospaced identity; reading text uses the sans.
   "html body" outranks the theme's body.home-page-N heading/paragraph rules. */
html body .eng-section h1,
html body .eng-section h2,
html body .eng-section h3,
html body .eng-section h4 {
    color: var(--eng-ink);
    font-family: var(--eng-mono);
    font-weight: 500;
    letter-spacing: -0.03em;
    text-transform: none;
}

html body .eng-section p,
html body .eng-section li {
    font-family: var(--eng-sans);
}

.eng-section p {
    color: var(--eng-ink-2);
}

/* The page editor inserts empty paragraphs (<p><br>&nbsp;</p>) between shortcodes;
   hide them only when they sit next to an engineering section. */
:is(.eng-section, #engineering-next) + p:has(> br:only-child),
:is(.eng-section, #engineering-next) + p:empty,
p:has(> br:only-child):has(+ .eng-section),
p:empty:has(+ .eng-section) {
    display: none;
}

/* Page content sits inside .ck-content, whose editor styles add disc bullets to every list. */
.ck-content .eng-section ul,
.ck-content .eng-section ol {
    list-style: none;
}

.ck-content .eng-section .eng-cap__details ul {
    list-style: disc;
}

/* The theme styles every <header> as a small uppercase label; reset inside sections. */
.eng-section header {
    padding: 0;
    color: inherit;
    font-size: inherit;
    font-weight: inherit;
    letter-spacing: normal;
    text-transform: none;
    background: none;
}

html body .eng-section .eng-eyebrow,
html body .eng-section .eng-hero__eyebrow,
html body .eng-section .eng-tag,
html body .eng-section .eng-badge,
html body .eng-section .eng-link,
html body .eng-section .eng-btn,
html body .eng-section .eng-footnote,
html body .eng-section .eng-xp__meta,
html body .eng-section .eng-org__project,
html body .eng-section .eng-project__disciplines,
html body .eng-section .eng-cta__geo-coords,
html body .eng-section .eng-location__text span,
html body .eng-section .eng-cta__contacts li {
    font-family: var(--eng-mono);
}

.eng-section a:focus-visible,
.eng-section button:focus-visible,
.eng-section summary:focus-visible,
.eng-section [tabindex]:focus-visible,
.dark-light-switcher:focus-visible {
    outline: 2px solid var(--eng-accent);
    outline-offset: 3px;
    border-radius: 8px;
}

.eng-eyebrow,
.eng-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0 0 1rem;
    font-family: var(--eng-mono);
    font-size: 0.78rem;
    font-weight: 500;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--eng-accent-ink) !important;
}

.eng-eyebrow__slash {
    color: var(--eng-ink-3);
    letter-spacing: 0;
}

.eng-heading {
    max-width: 760px;
    margin-bottom: clamp(32px, 4vw, 56px);
}

.eng-heading__title {
    margin: 0;
    font-size: clamp(1.6rem, 1.1rem + 1.9vw, 2.6rem);
    line-height: 1.12;
}

.eng-heading__title span:not(.eng-w):not(.eng-w__i),
.eng-hero__title span,
.eng-cta__title span:not(.eng-w):not(.eng-w__i) {
    font-family: inherit;
    color: var(--eng-accent-ink);
}

.eng-heading__subtitle {
    margin: 1rem 0 0;
    font-size: clamp(1rem, 0.95rem + 0.25vw, 1.125rem);
    line-height: 1.65;
    max-width: 640px;
}

.eng-heading--compact {
    margin-bottom: 0;
}

/* --------------------------------------------------------------------------
   Shared primitives
   -------------------------------------------------------------------------- */

.eng-card {
    position: relative;
    background: var(--eng-surface);
    border: 1px solid var(--eng-line);
    border-radius: var(--eng-radius);
    box-shadow: var(--eng-shadow);
    transition:
        border-color 0.35s var(--eng-ease),
        box-shadow 0.35s var(--eng-ease),
        transform 0.35s var(--eng-ease);
    isolation: isolate;
}

[data-eng-spotlight]::before {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: inherit;
    background: radial-gradient(420px circle at var(--mx, 50%) var(--my, 0%), var(--eng-accent-soft), transparent 60%);
    opacity: 0;
    transition: opacity 0.35s var(--eng-ease);
    pointer-events: none;
    z-index: -1;
}

@media (hover: hover) {
    .eng-card:hover {
        border-color: var(--eng-accent-line);
        box-shadow: var(--eng-shadow-hover), var(--eng-glow);
        transform: translateY(-3px);
    }

    [data-eng-spotlight]:hover::before {
        opacity: 1;
    }
}

.eng-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.eng-tag {
    font-family: var(--eng-mono);
    font-size: 0.72rem;
    line-height: 1;
    padding: 0.42rem 0.6rem;
    border-radius: 999px;
    border: 1px solid var(--eng-line-2);
    color: var(--eng-ink-2);
    background: var(--eng-surface-2);
    transition: border-color 0.25s, color 0.25s, background 0.25s;
}

.eng-card:hover .eng-tag {
    border-color: var(--eng-accent-line);
}

.eng-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    font-family: var(--eng-mono);
    font-size: 0.7rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    padding: 0.3rem 0.55rem;
    border-radius: 6px;
    border: 1px solid var(--eng-line-2);
    color: var(--eng-ink-2);
    background: var(--eng-surface-2);
    white-space: nowrap;
}

.eng-badge--live {
    color: var(--eng-accent-ink);
    border-color: var(--eng-accent-line);
    background: var(--eng-accent-soft);
}

.eng-pulse-dot {
    position: relative;
    display: inline-block;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--eng-accent);
    flex: none;
}

.eng-pulse-dot::after {
    content: '';
    position: absolute;
    inset: 0;
    border-radius: 50%;
    background: inherit;
    animation: eng-ping 2.4s var(--eng-ease) infinite;
}

.eng-link {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-family: var(--eng-mono);
    font-size: 0.82rem;
    color: var(--eng-ink) !important;
    text-decoration: none;
    background-image: linear-gradient(var(--eng-accent), var(--eng-accent));
    background-size: 0% 1px;
    background-position: 0 100%;
    background-repeat: no-repeat;
    transition: background-size 0.35s var(--eng-ease), color 0.25s;
    padding-bottom: 2px;
}

.eng-link svg {
    width: 15px;
    height: 15px;
    transition: transform 0.3s var(--eng-ease);
}

.eng-link:hover {
    background-size: 100% 1px;
    color: var(--eng-accent-ink) !important;
}

.eng-link:hover svg {
    transform: translate(2px, -1px);
}

.eng-btn {
    position: relative;
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    min-height: 48px;
    padding: 0.8rem 1.35rem;
    border-radius: 12px;
    font-family: var(--eng-mono);
    font-size: 0.9rem;
    font-weight: 500;
    text-decoration: none;
    border: 1px solid transparent;
    transition:
        transform 0.3s var(--eng-ease),
        box-shadow 0.3s var(--eng-ease),
        background-color 0.3s,
        border-color 0.3s,
        color 0.3s;
    overflow: hidden;
}

.eng-btn__icon {
    width: 18px;
    height: 18px;
    transition: transform 0.35s var(--eng-ease);
}

.eng-btn--primary {
    background: var(--eng-brand);
    color: #fff !important;
    box-shadow: 0 10px 24px -12px color-mix(in srgb, var(--eng-brand) 80%, transparent);
}

[data-bs-theme='dark'] .eng-btn--primary {
    color: #0d110a !important;
    background: var(--eng-accent);
}

.eng-btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 16px 32px -14px color-mix(in srgb, var(--eng-brand) 90%, transparent);
}

.eng-btn--primary:hover .eng-btn__icon {
    transform: translateX(3px);
}

.eng-btn--ghost {
    color: var(--eng-ink) !important;
    border-color: var(--eng-line-2);
    background: color-mix(in srgb, var(--eng-surface) 70%, transparent);
    backdrop-filter: blur(6px);
}

.eng-btn--ghost:hover {
    border-color: var(--eng-accent-line);
    color: var(--eng-accent-ink) !important;
    transform: translateY(-2px);
}

.eng-list {
    margin: 0;
    padding: 0;
    list-style: none;
    display: grid;
    gap: 0.55rem;
}

.eng-list li {
    position: relative;
    padding-left: 1.2rem;
    color: var(--eng-ink-2);
    line-height: 1.6;
}

.eng-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0.68em;
    width: 7px;
    height: 1px;
    background: var(--eng-accent);
}

.eng-list--check li::before {
    content: '✓';
    top: 0;
    width: auto;
    height: auto;
    background: none;
    color: var(--eng-accent-ink);
    font-size: 0.8rem;
}

.eng-footnote {
    margin-top: 1.5rem;
    font-family: var(--eng-mono);
    font-size: 0.75rem;
    color: var(--eng-ink-3) !important;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */

.eng-hero {
    padding-top: clamp(150px, 12vw, 180px);
    padding-bottom: clamp(16px, 2vw, 32px);
    overflow: hidden;
}

.eng-hero__backdrop {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(var(--eng-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--eng-grid) 1px, transparent 1px);
    background-size: 48px 48px;
    mask-image: radial-gradient(ellipse 80% 70% at 30% 35%, #000 30%, transparent 75%);
    -webkit-mask-image: radial-gradient(ellipse 80% 70% at 30% 35%, #000 30%, transparent 75%);
}

.eng-hero__backdrop::after {
    content: '';
    position: absolute;
    width: 560px;
    height: 560px;
    right: -120px;
    top: -160px;
    border-radius: 50%;
    background: radial-gradient(circle, var(--eng-accent-soft), transparent 65%);
    filter: blur(10px);
}

.eng-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: center;
}

.eng-hero__grid--solo {
    grid-template-columns: minmax(0, 860px);
}

.eng-hero__eyebrow {
    padding: 0.45rem 0.8rem;
    border: 1px solid var(--eng-accent-line);
    border-radius: 999px;
    background: var(--eng-accent-soft);
    margin-bottom: 1.5rem;
}

.eng-hero__title {
    margin: 0;
    font-size: clamp(2rem, 1.2rem + 2.9vw, 3.5rem);
    line-height: 1.08;
    letter-spacing: -0.045em !important;
    text-wrap: balance;
}

.eng-hero__identity {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0.25rem 0.65rem;
    margin-top: 1.5rem;
    font-family: var(--eng-mono);
    font-size: clamp(1rem, 0.9rem + 0.45vw, 1.25rem);
}

.eng-hero__role {
    color: var(--eng-ink);
    font-weight: 500;
}

.eng-hero__sep {
    color: var(--eng-ink-3);
}

.eng-rotator {
    position: relative;
    display: inline-grid;
    color: var(--eng-accent-ink);
}

.eng-rotator__item {
    grid-area: 1 / 1;
    white-space: nowrap;
    opacity: 0;
    transform: translateY(0.45em);
    filter: blur(4px);
    transition:
        opacity 0.6s var(--eng-ease),
        transform 0.6s var(--eng-ease),
        filter 0.6s var(--eng-ease);
}

.eng-rotator__item.is-active {
    opacity: 1;
    transform: none;
    filter: none;
}

.eng-rotator__item.is-leaving {
    opacity: 0;
    transform: translateY(-0.45em);
    filter: blur(4px);
}

.eng-rotator::after {
    content: '';
    position: absolute;
    left: 0;
    right: 0;
    bottom: -4px;
    height: 1px;
    background: var(--eng-accent);
    transform-origin: left;
    animation: eng-progress var(--eng-rotate, 3.2s) linear infinite;
    opacity: 0.6;
}

.eng-hero__desc {
    margin: 1.25rem 0 0;
    max-width: 580px;
    font-size: clamp(1rem, 0.96rem + 0.3vw, 1.15rem);
    line-height: 1.7;
}

.eng-hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.75rem 1.25rem;
    margin-top: 2rem;
}

.eng-location {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    margin-top: 2.25rem;
    padding: 0.7rem 1rem 0.7rem 0.8rem;
    border: 1px solid var(--eng-line);
    border-radius: 14px;
    background: color-mix(in srgb, var(--eng-surface) 80%, transparent);
}

.eng-location__pin {
    position: relative;
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: var(--eng-accent-soft);
    border: 1px solid var(--eng-accent-line);
}

.eng-location__pin span {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--eng-accent);
    box-shadow: 0 0 0 4px var(--eng-accent-soft);
}

.eng-location__text {
    display: flex;
    flex-direction: column;
    line-height: 1.35;
    font-size: 0.88rem;
}

.eng-location__text strong {
    color: var(--eng-ink);
    font-weight: 600;
}

.eng-location__text span {
    color: var(--eng-ink-3);
    font-family: var(--eng-mono);
    font-size: 0.76rem;
}

.eng-hero__scroll {
    position: absolute;
    left: 50%;
    bottom: 22px;
    width: 22px;
    height: 36px;
    border: 1px solid var(--eng-line-2);
    border-radius: 12px;
    transform: translateX(-50%);
}

.eng-hero__scroll span {
    position: absolute;
    left: 50%;
    top: 7px;
    width: 2px;
    height: 7px;
    margin-left: -1px;
    border-radius: 2px;
    background: var(--eng-accent);
    animation: eng-scroll 1.8s var(--eng-ease) infinite;
}

/* Entrance (above the fold, CSS only; the H1 is never hidden for LCP) */
.eng-js .eng-enter {
    animation: eng-fade-up 0.8s var(--eng-ease) both;
    animation-delay: calc(var(--eng-i, 0) * 90ms + 80ms);
}

/* --------------------------------------------------------------------------
   Hero media (video / image / live system visual)
   -------------------------------------------------------------------------- */

.eng-media {
    position: relative;
    margin: 0;
    border-radius: 20px;
    overflow: hidden;
    background: var(--eng-surface);
    border: 1px solid var(--eng-line);
    box-shadow: var(--eng-shadow-hover), var(--eng-glow);
}

.eng-media__bar {
    display: flex;
    align-items: center;
    gap: 0.9rem;
    padding: 0.7rem 1rem;
    border-bottom: 1px solid var(--eng-line);
    background: var(--eng-surface-2);
    font-family: var(--eng-mono);
    font-size: 0.72rem;
    color: var(--eng-ink-3);
}

.eng-media__lights {
    display: inline-flex;
    gap: 6px;
}

.eng-media__lights i {
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--eng-line-2);
}

.eng-media__lights i:first-child {
    background: color-mix(in srgb, var(--eng-brand) 70%, transparent);
}

.eng-media__label {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.eng-media__status {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    color: var(--eng-accent-ink);
}

.eng-media__stage {
    position: relative;
    aspect-ratio: var(--eng-ratio, 4/3);
    background: var(--eng-bg);
}

.eng-media__still,
.eng-media__video,
.eng-media__img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.eng-media__video {
    opacity: 0;
    transition: opacity 0.6s var(--eng-ease);
}

.eng-media__video.is-playing {
    opacity: 1;
}

.eng-media--overlay-subtle .eng-media__stage::after,
.eng-media--overlay-strong .eng-media__stage::after {
    content: '';
    position: absolute;
    inset: 0;
    pointer-events: none;
    background: linear-gradient(180deg, transparent 40%, color-mix(in srgb, var(--eng-bg) 55%, transparent));
}

.eng-media--overlay-strong .eng-media__stage::after {
    background: linear-gradient(180deg, color-mix(in srgb, var(--eng-bg) 20%, transparent), color-mix(in srgb, var(--eng-bg) 70%, transparent));
}

.eng-media__toggle {
    position: absolute;
    right: 12px;
    bottom: 12px;
    z-index: 2;
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid var(--eng-line-2);
    background: color-mix(in srgb, var(--eng-surface) 80%, transparent);
    color: var(--eng-ink);
    backdrop-filter: blur(6px);
    opacity: 0.7;
    transition: opacity 0.25s;
}

.eng-media__toggle:hover,
.eng-media__toggle:focus-visible {
    opacity: 1;
}

.eng-media__toggle svg {
    width: 16px;
    height: 16px;
}

.eng-media__toggle .eng-media__toggle-play,
.eng-media__toggle.is-paused .eng-media__toggle-pause {
    display: none;
}

.eng-media__toggle.is-paused .eng-media__toggle-play {
    display: block;
}

/* The built-in loop is rendered on a dark surface: keep its frame dark in both modes */
.eng-media--dark {
    background: #16171c;
    border-color: rgba(255, 255, 255, 0.08);
}

.eng-media--dark .eng-media__bar {
    background: #1c1d22;
    border-color: rgba(255, 255, 255, 0.08);
    color: #8c919a;
}

.eng-media--dark .eng-media__stage {
    background: #16171c;
}

/* Live system visual */
.eng-sys {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    background:
        radial-gradient(120% 80% at 80% 0%, var(--eng-accent-soft), transparent 60%),
        var(--eng-bg);
}

.eng-sys__svg {
    width: 100%;
    height: 100%;
    font-family: var(--eng-mono);
}

.eng-sys__dot {
    fill: var(--eng-grid);
}

[data-bs-theme='dark'] .eng-sys__dot {
    fill: rgba(255, 255, 255, 0.07);
}

.eng-sys__edge {
    fill: none;
    stroke: var(--eng-line-2);
    stroke-width: 1.25;
    stroke-dasharray: 3 4;
}

.eng-sys__flow {
    fill: none;
    stroke: var(--eng-accent);
    stroke-width: 2.25;
    stroke-linecap: round;
    stroke-dasharray: 12 120;
    stroke-dashoffset: 132;
    animation: eng-flow var(--d, 3s) linear infinite;
    animation-delay: var(--delay, 0s);
    filter: drop-shadow(0 0 3px color-mix(in srgb, var(--eng-brand) 60%, transparent));
}

.eng-sys__node-box,
.eng-sys__term-box {
    fill: var(--eng-surface);
    stroke: var(--eng-line-2);
    stroke-width: 1;
}

.eng-sys__term-box {
    fill: var(--eng-surface-2);
}

.eng-sys__node {
    animation: eng-node-in 0.7s var(--eng-ease) both;
    animation-delay: calc(var(--n, 0) * 80ms + 200ms);
}

.eng-sys__node-led {
    fill: var(--eng-accent);
    animation: eng-led 3.6s ease-in-out infinite;
    animation-delay: calc(var(--n, 0) * -0.5s);
}

.eng-sys__node-label {
    font-size: 13px;
    fill: var(--eng-ink);
    font-weight: 500;
}

.eng-sys__node-meta {
    font-size: 10.5px;
    fill: var(--eng-ink-3);
}

.eng-sys__chip rect {
    fill: var(--eng-accent-soft);
    stroke: var(--eng-accent-line);
}

.eng-sys__chip text {
    font-size: 10.5px;
    fill: var(--eng-accent-ink);
}

.eng-sys__chip {
    opacity: 0;
    animation: eng-chip 9s var(--eng-ease) infinite;
}

.eng-sys__chip--b {
    animation-delay: 3s;
}

.eng-sys__chip--c {
    animation-delay: 6s;
}

.eng-sys__spark-stop-a {
    stop-color: var(--eng-accent);
    stop-opacity: 0.28;
}

.eng-sys__spark-stop-b {
    stop-color: var(--eng-accent);
    stop-opacity: 0;
}

.eng-sys__spark-line {
    fill: none;
    stroke: var(--eng-accent);
    stroke-width: 1.75;
    stroke-linejoin: round;
    stroke-dasharray: 100;
    animation: eng-draw 6s var(--eng-ease) infinite;
}

.eng-sys__spark-area {
    animation: eng-area 6s var(--eng-ease) infinite;
}

.eng-sys__term-line {
    font-size: 12.5px;
    fill: var(--eng-ink-2);
    opacity: 0;
    animation: eng-term 12s steps(1, end) infinite;
    animation-delay: calc(var(--l, 0) * 0.9s);
}

.eng-sys__prompt,
.eng-sys__ok {
    fill: var(--eng-accent-ink);
}

.eng-sys__muted {
    fill: var(--eng-ink-3);
}

.eng-sys__cursor {
    fill: var(--eng-accent);
    animation: eng-blink 1s steps(1, end) infinite;
}

/* Pause everything when the hero is off screen or the user paused it */
.is-paused-offscreen .eng-sys *,
.is-paused-offscreen .eng-pulse-dot::after,
.is-paused-offscreen .eng-rotator::after {
    animation-play-state: paused !important;
}

/* --------------------------------------------------------------------------
   Capabilities (bento)
   -------------------------------------------------------------------------- */

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

.eng-cap {
    grid-column: span 4;
    display: flex;
    flex-direction: column;
    gap: 0.9rem;
    padding: clamp(22px, 2.4vw, 32px);
    overflow: hidden;
    min-height: 280px;
}

.eng-caps__grid--n6 .eng-cap:nth-child(1),
.eng-caps__grid--n6 .eng-cap:nth-child(6) {
    grid-column: span 7;
}

.eng-caps__grid--n6 .eng-cap:nth-child(2),
.eng-caps__grid--n6 .eng-cap:nth-child(5) {
    grid-column: span 5;
}

.eng-caps__grid--n6 .eng-cap:nth-child(3),
.eng-caps__grid--n6 .eng-cap:nth-child(4) {
    grid-column: span 6;
}

.eng-caps__grid--n4 .eng-cap,
.eng-caps__grid--n2 .eng-cap {
    grid-column: span 6;
}

.eng-cap__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.eng-cap__index {
    font-family: var(--eng-mono);
    font-size: 0.78rem;
    color: var(--eng-ink-3);
    letter-spacing: 0.08em;
}

.eng-cap__icon {
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    color: var(--eng-accent-ink);
    background: var(--eng-accent-soft);
    border: 1px solid var(--eng-accent-line);
    transition: transform 0.4s var(--eng-ease);
}

.eng-cap__icon svg {
    width: 22px;
    height: 22px;
}

.eng-cap:hover .eng-cap__icon {
    transform: rotate(-6deg) scale(1.05);
}

.eng-cap__title {
    margin: 0.5rem 0 0;
    font-size: clamp(1.2rem, 1.05rem + 0.5vw, 1.5rem);
    font-weight: 600;
    max-width: 75%;
}

.eng-cap__desc {
    margin: 0;
    line-height: 1.65;
    max-width: 52ch;
}

.eng-cap .eng-tags {
    margin-top: auto;
    padding-top: 0.5rem;
}

.eng-motif {
    position: absolute;
    right: 20px;
    top: 64px;
    width: 120px;
    height: 80px;
    fill: none;
    stroke: var(--eng-line-2);
    stroke-width: 1.25;
    opacity: 0.9;
    pointer-events: none;
    z-index: -1;
}

.eng-motif__soft {
    stroke-dasharray: 3 4;
}

.eng-motif__flow {
    stroke: var(--eng-accent);
    stroke-width: 1.75;
    stroke-linecap: round;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    transition: stroke-dashoffset 1.1s var(--eng-ease);
}

.eng-cap.is-visible .eng-motif__flow {
    stroke-dashoffset: 0;
    transition-delay: calc(var(--eng-i, 0) * 80ms + 300ms);
}

@media (hover: hover) {
    .eng-cap:hover .eng-motif__flow {
        animation: eng-motif-run 1.6s var(--eng-ease);
    }
}

.eng-cap__details {
    border-top: 1px solid var(--eng-line);
    padding-top: 0.75rem;
}

.eng-cap__details summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    cursor: pointer;
    list-style: none;
    font-family: var(--eng-mono);
    font-size: 0.8rem;
    color: var(--eng-ink-2);
    min-height: 32px;
}

.eng-cap__details summary::-webkit-details-marker {
    display: none;
}

.eng-cap__details-icon {
    width: 16px;
    height: 16px;
    transition: transform 0.3s var(--eng-ease);
}

.eng-cap__details[open] .eng-cap__details-icon {
    transform: rotate(45deg);
}

.eng-cap__details ul {
    margin: 0.6rem 0 0;
    padding-left: 1.1rem;
    color: var(--eng-ink-2);
    font-size: 0.93rem;
    line-height: 1.6;
}

.eng-cap__details[open] ul {
    animation: eng-fade-up 0.4s var(--eng-ease);
}

.eng-cap__link {
    align-self: flex-start;
}

/* --------------------------------------------------------------------------
   Technology toolkit
   -------------------------------------------------------------------------- */

.eng-tk__bar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem 2rem;
    margin-bottom: 2rem;
}

.eng-tk__tabs {
    display: flex;
    gap: 0.4rem;
    padding: 0.35rem;
    border: 1px solid var(--eng-line);
    border-radius: 14px;
    background: var(--eng-surface-2);
    overflow-x: auto;
    scrollbar-width: none;
    max-width: 100%;
    scroll-snap-type: x proximity;
}

.eng-tk__tabs::-webkit-scrollbar {
    display: none;
}

.eng-tk__tabs[hidden] {
    display: none;
}

.eng-tk__tab {
    flex: none;
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    min-height: 40px;
    padding: 0.5rem 0.9rem;
    border: 0;
    border-radius: 10px;
    background: transparent;
    font-family: var(--eng-mono);
    font-size: 0.8rem;
    color: var(--eng-ink-2);
    white-space: nowrap;
    scroll-snap-align: start;
    transition: background 0.25s, color 0.25s, box-shadow 0.25s;
}

.eng-tk__tab:hover {
    color: var(--eng-ink);
}

.eng-tk__tab.is-active {
    background: var(--eng-surface);
    color: var(--eng-ink);
    box-shadow: 0 1px 0 var(--eng-line), 0 6px 16px -10px rgba(0, 0, 0, 0.35);
}

.eng-tk__count {
    font-size: 0.68rem;
    color: var(--eng-ink-3);
}

.eng-tk__tab.is-active .eng-tk__count {
    color: var(--eng-accent-ink);
}

.eng-tk__legend {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1.1rem;
    margin: 0;
    padding: 0;
    list-style: none;
    font-family: var(--eng-mono);
    font-size: 0.74rem;
    color: var(--eng-ink-3);
}

.eng-tk__legend li {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
}

.eng-usage {
    display: inline-block;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex: none;
}

.eng-usage--production {
    background: var(--eng-accent);
    box-shadow: 0 0 0 3px var(--eng-accent-soft);
}

.eng-usage--project {
    background: transparent;
    border: 2px solid var(--eng-accent);
}

.eng-usage--exploring {
    background: transparent;
    border: 1.5px dashed var(--eng-ink-3);
}

.eng-tk__group + .eng-tk__group {
    margin-top: 2rem;
}

.eng-tk__group[hidden] {
    display: none;
}

.eng-tk__group.is-entering .eng-tech {
    animation: eng-fade-up 0.45s var(--eng-ease) both;
    animation-delay: calc(var(--eng-i, 0) * 25ms);
}

.eng-tk__group-title {
    margin: 0 0 0.9rem;
    font-family: var(--eng-mono) !important;
    font-size: 0.78rem !important;
    font-weight: 500;
    letter-spacing: 0.12em !important;
    text-transform: uppercase;
    color: var(--eng-ink-3) !important;
}

.eng-tk.is-filtered .eng-tk__group-title {
    display: none;
}

.eng-tk__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(176px, 1fr));
    gap: 10px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.eng-tech {
    position: relative;
    display: flex;
    align-items: center;
    gap: 0.7rem;
    min-height: 56px;
    padding: 0.6rem 0.8rem;
    border: 1px solid var(--eng-line);
    border-radius: 12px;
    background: var(--eng-surface);
    transition: border-color 0.25s, transform 0.25s var(--eng-ease), background 0.25s;
    outline: none;
}

.eng-tech:hover,
.eng-tech:focus-visible {
    border-color: var(--eng-accent-line);
    transform: translateY(-2px);
}

.eng-tech:focus-visible {
    box-shadow: 0 0 0 2px var(--eng-accent);
}

.eng-tech.is-featured {
    background: linear-gradient(135deg, var(--eng-accent-soft), transparent 70%), var(--eng-surface);
    border-color: var(--eng-accent-line);
}

.eng-tech__mark {
    display: grid;
    place-items: center;
    width: 34px;
    height: 34px;
    flex: none;
    border-radius: 9px;
    background: var(--eng-surface-2);
    border: 1px solid var(--eng-line);
    color: var(--eng-ink);
    overflow: hidden;
}

.eng-tech__mark img {
    width: 22px;
    height: 22px;
    object-fit: contain;
}

.eng-tech__mark svg {
    width: 19px;
    height: 19px;
}

.eng-tech__mono {
    font-family: var(--eng-mono);
    font-size: 0.72rem;
    font-weight: 500;
    color: var(--eng-accent-ink);
}

.eng-tech__name {
    flex: 1;
    min-width: 0;
    font-size: 0.92rem;
    font-weight: 500;
    color: var(--eng-ink);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.eng-tech__note {
    position: absolute;
    left: 50%;
    bottom: calc(100% + 8px);
    z-index: 5;
    width: max-content;
    max-width: 240px;
    padding: 0.5rem 0.7rem;
    border-radius: 8px;
    background: var(--eng-ink);
    color: var(--eng-bg);
    font-size: 0.78rem;
    line-height: 1.45;
    opacity: 0;
    transform: translate(-50%, 4px);
    pointer-events: none;
    transition: opacity 0.2s, transform 0.2s var(--eng-ease);
}

.eng-tech:hover .eng-tech__note,
.eng-tech:focus-visible .eng-tech__note {
    opacity: 1;
    transform: translate(-50%, 0);
}

/* --------------------------------------------------------------------------
   Experience timeline
   -------------------------------------------------------------------------- */

.eng-xp__layout {
    display: grid;
    grid-template-columns: minmax(240px, 0.38fr) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 40px);
    align-items: start;
}

.eng-xp__layout:not(.is-enhanced) {
    grid-template-columns: minmax(0, 1fr);
}

.eng-xp__nav {
    position: sticky;
    top: 110px;
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding-left: 14px;
    border-left: 1px solid var(--eng-line);
}

.eng-xp__nav[hidden] {
    display: none;
}

.eng-xp__tab {
    position: relative;
    display: grid;
    gap: 0.15rem;
    padding: 0.85rem 1rem;
    border: 0;
    border-radius: 12px;
    background: transparent;
    text-align: left;
    transition: background 0.25s;
}

.eng-xp__tab:hover {
    background: var(--eng-surface-2);
}

.eng-xp__tab-rail {
    position: absolute;
    left: -15px;
    top: 50%;
    width: 2px;
    height: 0;
    background: var(--eng-accent);
    transform: translateY(-50%);
    transition: height 0.4s var(--eng-ease);
}

.eng-xp__tab.is-active {
    background: var(--eng-surface-2);
}

.eng-xp__tab.is-active .eng-xp__tab-rail {
    height: 60%;
}

.eng-xp__tab-org {
    display: block;
    font-weight: 600;
    color: var(--eng-ink);
    font-size: 0.98rem;
}

.eng-xp__tab-role {
    display: block;
    color: var(--eng-ink-2);
    font-size: 0.86rem;
}

.eng-xp__tab-date {
    font-family: var(--eng-mono);
    font-size: 0.72rem;
    color: var(--eng-ink-3);
}

.eng-xp__panels {
    display: grid;
    gap: 16px;
}

.eng-xp__panel {
    border: 1px solid var(--eng-line);
    border-radius: var(--eng-radius);
    background: var(--eng-surface);
    box-shadow: var(--eng-shadow);
}

.eng-xp__body {
    padding: clamp(22px, 3vw, 36px);
}

.eng-xp__layout.is-enhanced .eng-xp__panels {
    display: block;
}

.eng-xp__layout.is-enhanced .eng-xp__panel:not(.is-active) {
    display: none;
}

.eng-xp__layout.is-enhanced .eng-xp__panel.is-active {
    animation: eng-fade-up 0.5s var(--eng-ease);
}

.eng-xp__acc {
    display: flex;
    width: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    min-height: 64px;
    padding: 1rem 1.25rem;
    border: 0;
    background: transparent;
    text-align: left;
}

.eng-xp__acc[hidden] {
    display: none;
}

.eng-xp__acc-icon {
    width: 20px;
    height: 20px;
    flex: none;
    color: var(--eng-ink-3);
    transition: transform 0.3s var(--eng-ease);
}

.eng-xp__acc[aria-expanded='true'] .eng-xp__acc-icon {
    transform: rotate(180deg);
}

.eng-xp__head {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
    margin-bottom: 1.25rem;
}

.eng-xp__logo {
    display: grid;
    place-items: center;
    width: 52px;
    height: 52px;
    flex: none;
    border-radius: 14px;
    border: 1px solid var(--eng-line);
    background: var(--eng-surface-2);
    overflow: hidden;
}

.eng-xp__logo img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    padding: 6px;
}

.eng-xp__logo--mono {
    font-family: var(--eng-mono);
    color: var(--eng-accent-ink);
}

.eng-xp__role {
    margin: 0;
    font-size: clamp(1.15rem, 1rem + 0.5vw, 1.45rem);
    font-weight: 600;
}

.eng-xp__at {
    font-family: var(--eng-mono);
    font-weight: 400;
    font-size: 0.8em;
    color: var(--eng-accent-ink);
    letter-spacing: -0.02em;
}

.eng-xp__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.45rem 0.9rem;
    margin: 0.5rem 0 0;
    font-family: var(--eng-mono);
    font-size: 0.78rem;
    color: var(--eng-ink-3) !important;
}

.eng-xp__desc {
    margin: 0 0 1.5rem;
    line-height: 1.7;
}

.eng-xp__cols {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1.5rem 2rem;
}

.eng-xp__label {
    margin: 0 0 0.75rem;
    font-family: var(--eng-mono) !important;
    font-size: 0.74rem !important;
    letter-spacing: 0.12em !important;
    text-transform: uppercase;
    color: var(--eng-ink-3) !important;
    font-weight: 500;
}

.eng-xp__foot {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-top: 1.75rem;
    padding-top: 1.25rem;
    border-top: 1px solid var(--eng-line);
}

/* --------------------------------------------------------------------------
   Organizations
   -------------------------------------------------------------------------- */

.eng-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
    gap: 1px;
    margin: 0 0 2rem;
    border: 1px solid var(--eng-line);
    border-radius: var(--eng-radius);
    background: var(--eng-line);
    overflow: hidden;
}

.eng-stats__item {
    display: flex;
    flex-direction: column-reverse;
    padding: 1.4rem 1.5rem;
    background: var(--eng-surface);
}

.eng-stats__value {
    margin: 0;
    font-family: var(--eng-mono);
    font-size: clamp(1.8rem, 1.4rem + 1.4vw, 2.6rem);
    color: var(--eng-ink);
    line-height: 1.1;
}

.eng-stats__label {
    margin-top: 0.35rem;
    font-weight: 400;
    font-size: 0.86rem;
    color: var(--eng-ink-3);
}

.eng-orgs__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 16px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.eng-org {
    display: flex;
    flex-direction: column;
    gap: 0.6rem;
    padding: 1.5rem;
}

.eng-org__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 0.4rem;
}

.eng-org__logo {
    display: grid;
    place-items: center;
    height: 48px;
    min-width: 48px;
    max-width: 150px;
    border-radius: 12px;
}

.eng-org__logo img {
    max-height: 40px;
    width: auto;
    object-fit: contain;
}

.eng-org__logo--mono {
    width: 48px;
    border: 1px solid var(--eng-line);
    background: var(--eng-surface-2);
    font-family: var(--eng-mono);
    color: var(--eng-accent-ink);
}

.eng-org__name {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 600;
}

.eng-org__project {
    display: flex;
    flex-wrap: wrap;
    gap: 0.25rem 0.75rem;
    margin: 0;
    font-family: var(--eng-mono);
    font-size: 0.78rem;
    color: var(--eng-accent-ink) !important;
}

.eng-org__since {
    color: var(--eng-ink-3);
}

.eng-org__desc {
    margin: 0;
    font-size: 0.94rem;
    line-height: 1.6;
}

.eng-org__link {
    margin-top: auto;
    padding-top: 0.5rem;
    align-self: flex-start;
}

/* --------------------------------------------------------------------------
   Featured projects
   -------------------------------------------------------------------------- */

.eng-projects__head {
    display: flex;
    flex-wrap: wrap;
    align-items: flex-end;
    justify-content: space-between;
    gap: 1rem 2rem;
    margin-bottom: clamp(32px, 4vw, 56px);
}

.eng-projects__head .eng-heading {
    margin-bottom: 0;
}

.eng-projects__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 20px;
}

.eng-project {
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

.eng-project--spotlight {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
}

.eng-project__media {
    position: relative;
    display: block;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--eng-surface-2);
    border-bottom: 1px solid var(--eng-line);
}

.eng-project--spotlight .eng-project__media {
    aspect-ratio: auto;
    min-height: 100%;
    border-bottom: 0;
    border-right: 1px solid var(--eng-line);
}

.eng-project__img,
.eng-project__video {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.9s var(--eng-ease), opacity 0.5s;
}

.eng-project__video {
    opacity: 0;
}

.eng-project__video.is-playing {
    opacity: 1;
}

@media (hover: hover) {
    .eng-project:hover .eng-project__img {
        transform: scale(1.035);
    }
}

.eng-project__placeholder {
    position: absolute;
    inset: 0;
    display: grid;
    place-items: center;
    font-family: var(--eng-mono);
    font-size: 2.5rem;
    color: var(--eng-accent-ink);
    background-image:
        linear-gradient(var(--eng-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--eng-grid) 1px, transparent 1px);
    background-size: 24px 24px;
}

.eng-project__body {
    display: flex;
    flex-direction: column;
    gap: 0.85rem;
    padding: clamp(20px, 2.4vw, 32px);
    flex: 1;
}

.eng-project__labels {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem 0.6rem;
    align-items: center;
}

.eng-project__cat {
    font-family: var(--eng-mono);
    font-size: 0.72rem;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--eng-ink-3);
}

.eng-project__cat + .eng-project__cat::before {
    content: '·';
    margin-right: 0.6rem;
}

.eng-status {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.28rem 0.55rem;
    border-radius: 999px;
    font-family: var(--eng-mono);
    font-size: 0.7rem;
    color: var(--eng-status-color, var(--eng-ink-2));
    border: 1px solid color-mix(in srgb, var(--eng-status-color, var(--eng-ink-3)) 40%, transparent);
    background: color-mix(in srgb, var(--eng-status-color, var(--eng-ink-3)) 10%, transparent);
}

.eng-status__dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: currentColor;
}

.eng-status--live {
    --eng-status-color: var(--eng-status-live);
}

.eng-status--in_development {
    --eng-status-color: var(--eng-status-dev);
}

.eng-status--prototype {
    --eng-status-color: var(--eng-status-proto);
}

.eng-status--internal {
    --eng-status-color: var(--eng-status-internal);
}

.eng-status--archived {
    --eng-status-color: var(--eng-status-archived);
}

.eng-project__title {
    margin: 0;
    font-size: clamp(1.25rem, 1.05rem + 0.7vw, 1.65rem);
    font-weight: 600;
}

.eng-project--spotlight .eng-project__title {
    font-size: clamp(1.5rem, 1.2rem + 1.2vw, 2.2rem);
}

.eng-project__title a {
    color: inherit !important;
    text-decoration: none;
    background-image: linear-gradient(var(--eng-accent), var(--eng-accent));
    background-size: 0% 2px;
    background-position: 0 100%;
    background-repeat: no-repeat;
    transition: background-size 0.4s var(--eng-ease);
}

.eng-project:hover .eng-project__title a,
.eng-project__title a:focus-visible {
    background-size: 100% 2px;
}

.eng-project__desc {
    margin: 0;
    line-height: 1.65;
}

.eng-project__disciplines {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem 0.9rem;
    margin: 0;
    font-family: var(--eng-mono);
    font-size: 0.76rem;
    color: var(--eng-accent-ink) !important;
}

.eng-project__disciplines span::before {
    content: '▸ ';
    opacity: 0.6;
}

.eng-project__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 1.25rem;
    margin-top: auto;
    padding-top: 1rem;
    border-top: 1px solid var(--eng-line);
}

/* --------------------------------------------------------------------------
   Case studies
   -------------------------------------------------------------------------- */

.eng-case-studies__list {
    display: grid;
    gap: 20px;
}

.eng-case-studies__item {
    padding: clamp(22px, 3vw, 40px);
}

.eng-cs__head {
    display: grid;
    gap: 0.75rem;
    margin-bottom: 1.75rem;
}

.eng-cs__title {
    margin: 0;
    font-size: clamp(1.35rem, 1.1rem + 0.9vw, 1.9rem);
    font-weight: 600;
}

.eng-cs__title a {
    color: inherit !important;
    text-decoration: none;
}

.eng-cs__steps {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1px;
    margin: 0;
    padding: 0;
    list-style: none;
    border: 1px solid var(--eng-line);
    border-radius: 14px;
    background: var(--eng-line);
    overflow: hidden;
}

.eng-cs__step {
    padding: 1.25rem 1.35rem 1.4rem;
    background: var(--eng-surface);
}

.eng-cs__num {
    font-family: var(--eng-mono);
    font-size: 0.72rem;
    color: var(--eng-accent-ink);
}

.eng-cs__label {
    margin: 0.35rem 0 0.6rem;
    font-size: 1rem !important;
    font-weight: 600;
}

.eng-cs__text {
    margin: 0;
    font-size: 0.93rem;
    line-height: 1.65;
}

.eng-cs-detail {
    margin-top: 3rem;
}

.eng-cs-detail__title {
    margin-bottom: 1.25rem;
    font-size: 1.6rem;
}

.eng-cs-detail .eng-cs__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

/* --------------------------------------------------------------------------
   Principles
   -------------------------------------------------------------------------- */

.eng-principles__wrap {
    display: grid;
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 2fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: start;
    padding: clamp(24px, 4vw, 48px);
    border: 1px solid var(--eng-line);
    border-radius: 20px;
    background:
        linear-gradient(var(--eng-grid) 1px, transparent 1px) 0 0 / 32px 32px,
        linear-gradient(90deg, var(--eng-grid) 1px, transparent 1px) 0 0 / 32px 32px,
        var(--eng-surface-2);
}

.eng-principles__list {
    position: relative;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1.5rem 1.25rem;
    margin: 0;
    padding: 0;
    list-style: none;
    counter-reset: none;
}

.eng-principles__list::before {
    content: '';
    position: absolute;
    left: 22px;
    right: 22px;
    top: 22px;
    height: 1px;
    background: linear-gradient(90deg, var(--eng-accent), var(--eng-accent-line));
    transform-origin: left;
    transform: scaleX(0);
    transition: transform 1.4s var(--eng-ease) 0.2s;
}

.eng-principles__list.is-visible::before,
html:not(.eng-js) .eng-principles__list::before {
    transform: scaleX(1);
}

.eng-principle {
    position: relative;
}

.eng-principle__node {
    position: relative;
    z-index: 1;
    display: grid;
    place-items: center;
    width: 44px;
    height: 44px;
    border-radius: 12px;
    background: var(--eng-surface);
    border: 1px solid var(--eng-accent-line);
    color: var(--eng-accent-ink);
    font-family: var(--eng-mono);
    font-size: 0.8rem;
    margin-bottom: 1rem;
    transition: transform 0.4s var(--eng-ease), box-shadow 0.4s;
}

.eng-principle__node svg {
    width: 20px;
    height: 20px;
}

.eng-principle:hover .eng-principle__node {
    transform: translateY(-3px);
    box-shadow: 0 0 0 4px var(--eng-accent-soft);
}

.eng-principle__step {
    font-family: var(--eng-mono);
    font-size: 0.7rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    color: var(--eng-ink-3);
}

.eng-principle__title {
    margin: 0.3rem 0 0.5rem;
    font-size: 1.08rem !important;
    font-weight: 600;
}

.eng-principle__desc {
    margin: 0;
    font-size: 0.92rem;
    line-height: 1.6;
}

.eng-js .eng-principles__list[data-eng-reveal] .eng-principle {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.6s var(--eng-ease), transform 0.6s var(--eng-ease);
    transition-delay: calc(var(--eng-i, 0) * 120ms + 250ms);
}

.eng-js .eng-principles__list.is-visible .eng-principle {
    opacity: 1;
    transform: none;
}

/* --------------------------------------------------------------------------
   Closing CTA + geographic motif
   -------------------------------------------------------------------------- */

.eng-cta__card {
    position: relative;
    display: grid;
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: clamp(28px, 4vw, 64px);
    align-items: center;
    padding: clamp(28px, 5vw, 64px);
    border-radius: 24px;
    border: 1px solid var(--eng-line);
    background: var(--eng-surface);
    overflow: hidden;
    isolation: isolate;
}

.eng-cta__grid-bg {
    position: absolute;
    inset: 0;
    z-index: -1;
    background-image:
        linear-gradient(var(--eng-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--eng-grid) 1px, transparent 1px);
    background-size: 40px 40px;
    mask-image: radial-gradient(ellipse at 85% 50%, #000, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at 85% 50%, #000, transparent 70%);
}

.eng-cta__title {
    margin: 0;
    font-size: clamp(1.7rem, 1.1rem + 2vw, 2.7rem);
    line-height: 1.12;
    text-wrap: balance;
}

.eng-cta__desc {
    margin: 1.1rem 0 0;
    max-width: 600px;
    font-size: 1.05rem;
    line-height: 1.7;
}

.eng-cta__contacts {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 1.5rem;
    margin: 2rem 0 0;
    padding: 1.25rem 0 0;
    list-style: none;
    border-top: 1px solid var(--eng-line);
    font-family: var(--eng-mono);
    font-size: 0.85rem;
}

.eng-cta__contacts li {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--eng-ink-2);
}

.eng-cta__contacts svg {
    width: 17px;
    height: 17px;
    color: var(--eng-accent-ink);
}

.eng-cta__contact-label {
    color: var(--eng-ink-3);
}

.eng-cta__contacts a {
    color: var(--eng-ink) !important;
    text-decoration: none;
}

.eng-cta__contacts a:hover {
    color: var(--eng-accent-ink) !important;
}

.eng-cta__socials {
    gap: 0.9rem !important;
}

.eng-cta__socials a {
    display: grid;
    place-items: center;
    width: 36px;
    height: 36px;
    border-radius: 10px;
    border: 1px solid var(--eng-line);
}

.eng-cta__geo {
    text-align: center;
}

.eng-geo svg {
    width: min(100%, 260px);
    height: auto;
    overflow: visible;
}

.eng-geo__lat {
    fill: none;
    stroke: var(--eng-line-2);
    stroke-width: 1;
}

.eng-geo__arcs path {
    fill: none;
    stroke: var(--eng-accent);
    stroke-width: 1.25;
    stroke-linecap: round;
    stroke-dasharray: 100;
    stroke-dashoffset: 100;
    opacity: 0.8;
    animation: eng-arc 6s var(--eng-ease) infinite;
}

.eng-geo__arcs path:nth-child(2) {
    animation-delay: 1.2s;
}

.eng-geo__arcs path:nth-child(3) {
    animation-delay: 2.4s;
}

.eng-geo__pin {
    fill: var(--eng-accent);
}

.eng-geo__ring {
    fill: none;
    stroke: var(--eng-accent);
    stroke-width: 1;
    transform-origin: 138px 134px;
    animation: eng-ring 3s var(--eng-ease) infinite;
}

.eng-geo__ring--2 {
    animation-delay: 1.5s;
}

.eng-cta__geo-title {
    margin: 1rem auto 0;
    max-width: 280px;
    font-weight: 600;
    color: var(--eng-ink) !important;
    line-height: 1.4;
}

.eng-cta__geo-coords {
    margin: 0.4rem 0 0;
    font-family: var(--eng-mono);
    font-size: 0.75rem;
    color: var(--eng-ink-3) !important;
    letter-spacing: 0.06em;
}

/* --------------------------------------------------------------------------
   Navigation refinements (all header styles)
   -------------------------------------------------------------------------- */

header .main-menu .nav-link {
    position: relative;
}

header .main-menu .nav-link::after {
    content: '';
    position: absolute;
    left: 50%;
    right: 50%;
    bottom: 2px;
    height: 1.5px;
    background: var(--eng-accent);
    transition: left 0.3s var(--eng-ease), right 0.3s var(--eng-ease);
}

header .main-menu .nav-link:hover::after,
header .main-menu .nav-link.active::after {
    left: 14%;
    right: 14%;
}

header .main-menu .nav-link:focus-visible,
header .burger-icon:focus-visible {
    outline: 2px solid var(--eng-accent);
    outline-offset: 2px;
    border-radius: 6px;
}

.dark-light-switcher {
    transition: background-color 0.25s;
}

.dark-light-switcher:hover {
    background-color: var(--eng-accent-soft) !important;
}

/* --------------------------------------------------------------------------
   Scroll reveal (progressive enhancement with a failsafe)
   -------------------------------------------------------------------------- */

.eng-js [data-eng-reveal]:not(.eng-principles__list) {
    opacity: 0;
    transform: translateY(18px);
    transition:
        opacity 0.75s var(--eng-ease),
        transform 0.75s var(--eng-ease),
        border-color 0.35s var(--eng-ease),
        box-shadow 0.35s var(--eng-ease);
    transition-delay: calc(min(var(--eng-i, 0), 6) * 70ms);
}

/* If the script never initialises, reveal everything after a short delay. */
.eng-js:not(.eng-ready) [data-eng-reveal],
.eng-js:not(.eng-ready) .eng-principles__list .eng-principle {
    animation: eng-failsafe 0s linear 2.5s forwards;
}

.eng-js [data-eng-reveal].is-visible {
    opacity: 1;
    transform: none;
    animation: none;
}

@media (hover: hover) {
    .eng-js .eng-card[data-eng-reveal].is-visible:hover {
        transform: translateY(-3px);
        transition-delay: 0s;
    }
}

/* --------------------------------------------------------------------------
   Motion layer
   -------------------------------------------------------------------------- */

/* Smooth in-page anchors (only when motion is welcome) */
@media (prefers-reduced-motion: no-preference) {
    html:has(.eng-hero) {
        scroll-behavior: smooth;
    }
}

/* Hero headline: CSS-only line entrance so it never waits for JavaScript */
.eng-js .eng-hero__title {
    animation: eng-title-in 0.9s var(--eng-ease) both;
}

.eng-js .eng-hero__title span {
    display: inline-block;
    animation: eng-title-in 0.9s var(--eng-ease) 0.18s both;
}

/* Typing eyebrow caret */
.eng-caret {
    display: inline-block;
    width: 0.55em;
    height: 1.05em;
    margin-left: 0.1em;
    background: currentColor;
    opacity: 0.85;
    vertical-align: -0.15em;
    animation: eng-blink 1s steps(1, end) infinite;
}

.eng-caret.is-done {
    opacity: 0;
    animation: none;
    transition: opacity 0.4s;
}

/* Word-by-word heading reveal */
.eng-split .eng-w {
    display: inline-block;
    overflow: hidden;
    vertical-align: top;
    padding-bottom: 0.08em;
    margin-bottom: -0.08em;
}

.eng-split .eng-w__i {
    display: inline-block;
    transform: translateY(105%);
    transition: transform 0.85s var(--eng-ease);
    transition-delay: calc(var(--w, 0) * 45ms + 120ms);
}

.is-visible .eng-split .eng-w__i,
.eng-split.is-visible .eng-w__i {
    transform: none;
}

/* Hero: ambient glow follows the pointer, media tilts and floats */
.eng-hero__backdrop {
    background-image:
        radial-gradient(520px circle at var(--gx, 70%) var(--gy, 30%), var(--eng-accent-soft), transparent 70%),
        linear-gradient(var(--eng-grid) 1px, transparent 1px),
        linear-gradient(90deg, var(--eng-grid) 1px, transparent 1px);
    background-size: auto, 48px 48px, 48px 48px;
    transition: background-position 0.3s;
}

.eng-hero__media {
    perspective: 1400px;
}

.eng-media {
    transform: rotateX(var(--rx, 0deg)) rotateY(var(--ry, 0deg));
    transform-style: preserve-3d;
    transition: transform 0.6s var(--eng-ease), box-shadow 0.6s var(--eng-ease);
    animation: eng-float 9s ease-in-out infinite;
    will-change: transform;
}

.eng-hero:hover .eng-media {
    box-shadow: 0 40px 80px -40px rgba(20, 24, 18, 0.45), var(--eng-glow);
}

/* Scroll progress */
.eng-progress {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1031;
    height: 2px;
    background: linear-gradient(90deg, var(--eng-brand), color-mix(in srgb, var(--eng-brand) 60%, #ffffff));
    transform: scaleX(0);
    transform-origin: left;
    pointer-events: none;
}

/* Magnetic buttons glide back smoothly */
.eng-btn--primary {
    transition:
        translate 0.35s var(--eng-ease),
        transform 0.3s var(--eng-ease),
        box-shadow 0.3s var(--eng-ease),
        background-color 0.3s;
}

/* Project image parallax (room to move without showing edges) */
.eng-project__img.eng-parallax {
    inset: -16px 0;
    height: calc(100% + 32px);
    transition: transform 0.9s var(--eng-ease);
}

/* Toolkit chips cascade in */
.eng-js .eng-tk__group[data-eng-reveal] .eng-tech {
    opacity: 0;
    transform: translateY(12px);
    transition:
        opacity 0.5s var(--eng-ease),
        transform 0.5s var(--eng-ease),
        border-color 0.25s;
    transition-delay: calc(min(var(--eng-i, 0), 12) * 35ms + 120ms);
}

.eng-js .eng-tk__group.is-visible .eng-tech {
    opacity: 1;
    transform: none;
}

.eng-js .eng-tk__group.is-visible .eng-tech:hover,
.eng-js .eng-tk__group.is-visible .eng-tech:focus-visible {
    transform: translateY(-2px);
    transition-delay: 0s;
}

.eng-js:not(.eng-ready) .eng-tk__group .eng-tech {
    animation: eng-failsafe 0s linear 2.5s forwards;
}

/* Capability icon pops when its card arrives */
.eng-js .eng-cap[data-eng-reveal] .eng-cap__icon {
    transform: scale(0.6) rotate(-12deg);
    opacity: 0;
    transition: transform 0.7s var(--eng-ease), opacity 0.5s;
    transition-delay: calc(var(--eng-i, 0) * 70ms + 350ms);
}

.eng-js .eng-cap.is-visible .eng-cap__icon {
    transform: none;
    opacity: 1;
}

.eng-js .eng-cap.is-visible:hover .eng-cap__icon {
    transform: rotate(-6deg) scale(1.05);
    transition-delay: 0s;
}

/* Principle nodes pop in sequence */
.eng-js .eng-principles__list[data-eng-reveal] .eng-principle__node {
    transform: scale(0.5);
    transition: transform 0.6s var(--eng-ease), box-shadow 0.4s;
    transition-delay: calc(var(--eng-i, 0) * 120ms + 400ms);
}

.eng-js .eng-principles__list.is-visible .eng-principle__node {
    transform: none;
}

/* --------------------------------------------------------------------------
   Marquee (quotes row + counter-scrolling band)
   -------------------------------------------------------------------------- */

.eng-marquee {
    --eng-mq-duration: 48s;
    overflow: hidden;
    padding-block: clamp(28px, 4vw, 56px);
}

.eng-marquee--slow {
    --eng-mq-duration: 75s;
}

.eng-marquee--fast {
    --eng-mq-duration: 30s;
}

.eng-mq {
    display: flex;
    overflow: hidden;
    mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
    -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}

.eng-mq__track {
    display: flex;
    width: max-content;
    animation: eng-mq-left var(--eng-mq-duration) linear infinite;
}

.eng-mq--right .eng-mq__track {
    animation-name: eng-mq-right;
}

.eng-mq:hover .eng-mq__track,
.eng-marquee.is-paused-offscreen .eng-mq__track {
    animation-play-state: paused;
}

.eng-mq__group {
    display: flex;
    flex: none;
    align-items: center;
}

/* Quotes row */
.eng-mq__quote {
    padding-inline: clamp(18px, 2.4vw, 36px);
    font-family: var(--eng-mono);
    font-size: clamp(1.9rem, 1rem + 3.4vw, 4.4rem);
    font-weight: 500;
    line-height: 1.15;
    letter-spacing: -0.04em;
    white-space: nowrap;
    color: var(--eng-ink);
    transition: color 0.3s, -webkit-text-stroke-color 0.3s;
}

.eng-mq__quote--outline {
    color: transparent;
    -webkit-text-stroke: 1.2px color-mix(in srgb, var(--eng-ink) 55%, transparent);
}

.eng-mq__quote--accent {
    color: var(--eng-accent-ink);
}

.eng-mq__quote:hover {
    color: var(--eng-accent-ink);
    -webkit-text-stroke-color: transparent;
}

.eng-mq__sep {
    flex: none;
    display: grid;
    place-items: center;
    height: clamp(30px, 3vw, 44px);
    padding: 0 0.6em;
    border-radius: 10px;
    background: linear-gradient(135deg, #2f7d1c, #9be35f);
    color: #fff;
    font-family: var(--eng-mono);
    font-size: clamp(0.8rem, 0.6rem + 0.5vw, 1.05rem);
    font-weight: 500;
    box-shadow: 0 6px 18px -8px rgba(47, 125, 28, 0.7);
}

/* Counter-scrolling band */
.eng-mq-band {
    margin-top: clamp(14px, 2vw, 26px);
}

.eng-mq-band--tilted {
    margin-inline: -2%;
    padding-block: 14px;
    background: linear-gradient(90deg, #2f7d1c, var(--eng-brand) 50%, #2f7d1c);
    transform: rotate(-1.6deg);
    box-shadow: 0 18px 40px -24px rgba(47, 125, 28, 0.8);
}

.eng-mq-band--flat {
    padding-block: 12px;
    border-block: 1px solid var(--eng-line);
}

.eng-mq--band {
    mask-image: none;
    -webkit-mask-image: none;
}

.eng-mq--band .eng-mq__track {
    animation-duration: calc(var(--eng-mq-duration) * 0.8);
}

.eng-mq__word {
    padding-inline: 18px;
    font-family: var(--eng-mono);
    font-size: clamp(0.85rem, 0.75rem + 0.4vw, 1.1rem);
    font-weight: 500;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    white-space: nowrap;
}

.eng-mq__star {
    flex: none;
    font-size: 0.9rem;
}

.eng-mq-band--tilted .eng-mq__word {
    color: #fff;
}

.eng-mq-band--tilted .eng-mq__star {
    color: rgba(255, 255, 255, 0.7);
}

.eng-mq-band--flat .eng-mq__word {
    color: var(--eng-ink-2);
}

.eng-mq-band--flat .eng-mq__star {
    color: var(--eng-accent);
}

@keyframes eng-mq-left {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-50%);
    }
}

@keyframes eng-mq-right {
    from {
        transform: translateX(-50%);
    }

    to {
        transform: translateX(0);
    }
}

@media (prefers-reduced-motion: reduce) {
    .eng-mq__track {
        animation: none !important;
        transform: none !important;
    }
}

/* --------------------------------------------------------------------------
   Krafton cursor (desktop mouse only; created by engineering.js)
   -------------------------------------------------------------------------- */

@media (hover: hover) and (pointer: fine) {
    .kn-cursor-on,
    .kn-cursor-on * {
        cursor: none !important;
    }

    .kn-cursor-on input,
    .kn-cursor-on textarea,
    .kn-cursor-on select,
    .kn-cursor-on [contenteditable='true'] {
        cursor: text !important;
    }
}

.kn-cursor-front,
.kn-cursor-back,
.kn-cursor-link {
    position: fixed;
    z-index: 2147483647;
    left: 0;
    top: 0;
    pointer-events: none;
    will-change: transform;
}

.kn-cursor-front,
.kn-cursor-back {
    opacity: 0;
    transition: opacity 0.2s;
}

.kn-cursor-front.is-visible,
.kn-cursor-back.is-visible {
    opacity: 1;
}

.kn-cursor-front svg {
    display: block;
    margin: -11px 0 0 -15px; /* centre the badge on the pointer */
    filter: drop-shadow(0 4px 8px rgba(10, 40, 20, 0.35));
    transition:
        scale 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
        filter 0.25s;
}

.kn-cursor-front[data-state='hot'] svg {
    scale: 1.35;
    filter: drop-shadow(0 0 10px rgba(155, 227, 95, 0.8));
}

.kn-cursor-front.is-down svg {
    scale: 0.8;
}

.kn-cursor-back .kn-cursor-glyph {
    display: grid;
    place-items: center;
    min-width: 30px;
    height: 22px;
    margin: -11px 0 0 -15px;
    padding: 0 5px;
    border-radius: 6px;
    background: linear-gradient(135deg, #0f2a14, #1d3a1f);
    border: 1px solid rgba(155, 227, 95, 0.45);
    box-shadow: 0 3px 6px rgba(10, 40, 20, 0.25);
    font: 500 11px/1 var(--eng-mono);
    color: #b8f27a;
    letter-spacing: -0.02em;
    white-space: nowrap;
    transition:
        scale 0.25s cubic-bezier(0.2, 0.8, 0.2, 1),
        box-shadow 0.25s;
}

.kn-cursor-back[data-state='hot'] .kn-cursor-glyph {
    scale: 1.15;
    box-shadow: 0 0 12px rgba(155, 227, 95, 0.45);
}

.kn-cursor-back.is-swap .kn-cursor-glyph {
    animation: kn-glyph-swap 0.35s cubic-bezier(0.2, 0.8, 0.2, 1);
}

.kn-cursor-front[data-state='text'],
.kn-cursor-back[data-state='text'] {
    opacity: 0 !important;
}

.kn-cursor-link {
    width: 5px;
    height: 5px;
    margin: -2.5px 0 0 -2.5px;
    border-radius: 50%;
    background: #7cc35f;
    box-shadow: 0 0 6px rgba(155, 227, 95, 0.7);
    opacity: 0;
}

@keyframes kn-glyph-swap {
    0% {
        scale: 0.6;
        opacity: 0.2;
    }

    100% {
        scale: 1;
        opacity: 1;
    }
}

@media (hover: none), (pointer: coarse), (prefers-reduced-motion: reduce) {
    .kn-cursor {
        display: none;
    }
}

/* --------------------------------------------------------------------------
   Keyframes
   -------------------------------------------------------------------------- */

@keyframes eng-title-in {
    from {
        opacity: 0.001;
        transform: translateY(28px);
        filter: blur(6px);
    }

    to {
        opacity: 1;
        transform: none;
        filter: none;
    }
}

@keyframes eng-float {
    0%,
    100% {
        translate: 0 0;
    }

    50% {
        translate: 0 -8px;
    }
}

@keyframes eng-fade-up {
    from {
        opacity: 0;
        transform: translateY(14px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes eng-failsafe {
    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes eng-ping {
    0% {
        transform: scale(1);
        opacity: 0.55;
    }

    80%,
    100% {
        transform: scale(2.8);
        opacity: 0;
    }
}

@keyframes eng-progress {
    from {
        transform: scaleX(0);
    }

    to {
        transform: scaleX(1);
    }
}

@keyframes eng-scroll {
    0% {
        transform: translateY(0);
        opacity: 1;
    }

    100% {
        transform: translateY(12px);
        opacity: 0;
    }
}

@keyframes eng-flow {
    from {
        stroke-dashoffset: 132;
    }

    to {
        stroke-dashoffset: 0;
    }
}

@keyframes eng-node-in {
    from {
        opacity: 0;
        transform: translateY(6px);
    }

    to {
        opacity: 1;
        transform: none;
    }
}

@keyframes eng-led {
    0%,
    100% {
        opacity: 1;
    }

    50% {
        opacity: 0.35;
    }
}

@keyframes eng-chip {
    0%,
    4% {
        opacity: 0;
        transform: translateY(4px);
    }

    10%,
    30% {
        opacity: 1;
        transform: none;
    }

    36%,
    100% {
        opacity: 0;
    }
}

@keyframes eng-draw {
    0% {
        stroke-dashoffset: 100;
    }

    45%,
    80% {
        stroke-dashoffset: 0;
    }

    100% {
        stroke-dashoffset: -100;
    }
}

@keyframes eng-area {
    0%,
    15% {
        opacity: 0;
    }

    45%,
    80% {
        opacity: 1;
    }

    100% {
        opacity: 0;
    }
}

@keyframes eng-term {
    0% {
        opacity: 0;
    }

    3%,
    82% {
        opacity: 1;
    }

    90%,
    100% {
        opacity: 0;
    }
}

@keyframes eng-blink {
    0%,
    50% {
        opacity: 1;
    }

    51%,
    100% {
        opacity: 0;
    }
}

@keyframes eng-motif-run {
    0% {
        stroke-dashoffset: 100;
    }

    100% {
        stroke-dashoffset: 0;
    }
}

@keyframes eng-arc {
    0% {
        stroke-dashoffset: 100;
        opacity: 0;
    }

    10% {
        opacity: 0.85;
    }

    50% {
        stroke-dashoffset: 0;
        opacity: 0.85;
    }

    75%,
    100% {
        stroke-dashoffset: 0;
        opacity: 0;
    }
}

@keyframes eng-ring {
    0% {
        transform: scale(1);
        opacity: 0.7;
    }

    100% {
        transform: scale(4.5);
        opacity: 0;
    }
}

/* --------------------------------------------------------------------------
   Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1199.98px) {
    .eng-cap,
    .eng-caps__grid .eng-cap:nth-child(n) {
        grid-column: span 6;
    }
}

@media (max-width: 991.98px) {
    .eng-hero__grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .eng-hero__media {
        max-width: 640px;
    }

    .eng-project--spotlight {
        grid-template-columns: minmax(0, 1fr);
    }

    .eng-project--spotlight .eng-project__media {
        aspect-ratio: 16 / 10;
        border-right: 0;
        border-bottom: 1px solid var(--eng-line);
    }

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

    .eng-principles__wrap,
    .eng-cta__card {
        grid-template-columns: minmax(0, 1fr);
    }

    .eng-cta__geo {
        display: grid;
        grid-template-columns: 120px 1fr;
        gap: 1.25rem;
        align-items: center;
        text-align: left;
    }

    .eng-cta__geo-title {
        margin: 0;
        max-width: none;
    }

    .eng-cta__geo .eng-cta__geo-coords {
        grid-column: 2;
        margin-top: -0.75rem;
    }

    /* Experience becomes an accordion */
    .eng-xp__layout.is-enhanced {
        grid-template-columns: minmax(0, 1fr);
    }

    .eng-xp__layout.is-enhanced .eng-xp__nav {
        display: none;
    }

    .eng-xp__layout.is-enhanced .eng-xp__panels {
        display: grid;
        gap: 12px;
    }

    .eng-xp__layout.is-enhanced .eng-xp__panel:not(.is-active) {
        display: block;
    }

    .eng-xp__layout.is-enhanced .eng-xp__acc {
        display: flex;
    }

    .eng-xp__layout.is-enhanced .eng-xp__panel .eng-xp__body {
        padding-top: 0;
    }

    .eng-xp__layout.is-enhanced .eng-xp__panel:not(.is-open) .eng-xp__body {
        display: none;
    }

    .eng-xp__layout.is-enhanced .eng-xp__panel.is-active {
        animation: none;
    }

    /* The accordion button already names the organization and role */
    .eng-xp__layout.is-enhanced .eng-xp__role,
    .eng-xp__layout.is-enhanced .eng-xp__logo {
        display: none;
    }

    .eng-xp__layout.is-enhanced .eng-xp__head {
        margin-bottom: 1rem;
    }

    .eng-xp__layout.is-enhanced .eng-xp__meta {
        margin-top: 0;
    }
}

@media (min-width: 992px) {
    .eng-xp__acc {
        display: none !important;
    }
}

@media (max-width: 767.98px) {
    .eng-section {
        --eng-section-y: 56px;
    }

    .eng-hero {
        padding-top: 128px;
    }

    .eng-caps__grid {
        grid-template-columns: minmax(0, 1fr);
        gap: 12px;
    }

    .eng-cap,
    .eng-caps__grid .eng-cap:nth-child(n) {
        grid-column: auto;
        min-height: 0;
    }

    .eng-cap__title {
        max-width: 70%;
    }

    .eng-motif {
        width: 84px;
        height: 56px;
        top: 58px;
        right: 14px;
        opacity: 0.7;
    }

    .eng-projects__grid {
        grid-template-columns: minmax(0, 1fr);
    }

    .eng-cs__steps,
    .eng-cs-detail .eng-cs__steps {
        grid-template-columns: minmax(0, 1fr);
    }

    .eng-tk__grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 8px;
    }

    .eng-tech {
        min-height: 52px;
        padding: 0.5rem 0.6rem;
        gap: 0.55rem;
    }

    .eng-tech__mark {
        width: 30px;
        height: 30px;
    }

    .eng-tech__name {
        font-size: 0.86rem;
    }

    .eng-tech__note {
        display: none;
    }

    .eng-tk__bar {
        flex-direction: column;
        align-items: stretch;
    }

    .eng-hero__actions .eng-btn {
        flex: 1 1 auto;
        justify-content: center;
    }

    .eng-hero__actions .eng-link {
        width: 100%;
        justify-content: center;
    }

    .eng-location {
        display: flex;
    }

    .eng-principles__list {
        grid-template-columns: minmax(0, 1fr);
        padding-left: 0;
    }

    .eng-principles__list::before {
        left: 22px;
        right: auto;
        top: 22px;
        bottom: 22px;
        width: 1px;
        height: auto;
        transform-origin: top;
        transform: scaleY(0);
        background: linear-gradient(180deg, var(--eng-accent), var(--eng-accent-line));
    }

    .eng-principles__list.is-visible::before,
    html:not(.eng-js) .eng-principles__list::before {
        transform: scaleY(1);
    }

    .eng-principle {
        display: grid;
        grid-template-columns: 44px minmax(0, 1fr);
        column-gap: 1rem;
    }

    .eng-principle__node {
        grid-row: span 3;
        margin-bottom: 0;
    }

    .eng-media {
        border-radius: 16px;
    }
}

@media (max-width: 339.98px) {
    .eng-tk__grid {
        grid-template-columns: minmax(0, 1fr);
    }
}

/* --------------------------------------------------------------------------
   Reduced motion: no movement, content always visible
   -------------------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
    .eng-section *,
    .eng-section *::before,
    .eng-section *::after {
        animation: none !important;
        transition-duration: 0.01ms !important;
        transition-delay: 0s !important;
    }

    .eng-js [data-eng-reveal],
    .eng-js .eng-principles__list[data-eng-reveal] .eng-principle,
    .eng-js .eng-enter {
        opacity: 1 !important;
        transform: none !important;
    }

    .eng-principles__list::before {
        transform: none !important;
    }

    .eng-sys__flow,
    .eng-sys__cursor {
        display: none;
    }

    .eng-sys__term-line,
    .eng-sys__chip,
    .eng-geo__arcs path {
        opacity: 1 !important;
        stroke-dashoffset: 0 !important;
    }

    .eng-sys__spark-line {
        stroke-dashoffset: 0 !important;
    }

    .eng-motif__flow {
        stroke-dashoffset: 0 !important;
    }

    .eng-geo__ring,
    .eng-progress,
    .eng-caret {
        display: none;
    }

    .eng-split .eng-w__i,
    .eng-js .eng-tk__group[data-eng-reveal] .eng-tech,
    .eng-js .eng-cap[data-eng-reveal] .eng-cap__icon,
    .eng-js .eng-principles__list[data-eng-reveal] .eng-principle__node,
    .eng-media {
        transform: none !important;
        opacity: 1 !important;
    }

    .eng-rotator {
        display: inline-flex;
        flex-wrap: wrap;
        gap: 0.25rem 0.6rem;
    }

    .eng-rotator::after {
        display: none;
    }

    .eng-rotator__item {
        position: static;
        opacity: 1 !important;
        transform: none !important;
        filter: none !important;
    }

    .eng-rotator__item:not(:last-child)::after {
        content: ' ·';
        color: var(--eng-ink-3);
    }

    .eng-card:hover,
    .eng-tech:hover,
    .eng-btn:hover {
        transform: none !important;
    }
}