/* ===================================================================
 * Portfolio components
 * Layered on top of the Hudson theme (styles.css). Reuses its colour,
 * spacing and type tokens so the existing identity stays recognisable.
 *
 * TOC:
 * # TOKENS
 * # ACCESSIBILITY & GLOBAL TWEAKS
 * # SHARED (section head, tags, chips, callouts, external links)
 * # HOME: hero, evidence strip, capabilities, case-study cards,
 *         production work, earlier projects, how I work, about
 * # CASE STUDY: hero, meta, layout, toc, article, ownership,
 *         decisions, diagrams, media, next links
 * ------------------------------------------------------------------- */


/* ===================================================================
 * # TOKENS
 * ------------------------------------------------------------------- */
:root {
    --font-read: "Public Sans", system-ui, -apple-system, "Segoe UI", sans-serif;
    --pf-surface: var(--color-white);
    --pf-border: rgba(0, 0, 0, 0.1);
    --pf-radius: 6px;
    --pf-accent-on-dark: #8fd0dc;
    --pf-text: #2f3036;
    --pf-text-soft: #55575f;
}


/* ===================================================================
 * # ACCESSIBILITY & GLOBAL TWEAKS
 * ------------------------------------------------------------------- */
.skip-link {
    position: absolute;
    left: 1.6rem;
    top: -100px;
    z-index: 1000;
    background: var(--color-1);
    color: white;
    font-size: 1.5rem;
    padding: 0.8rem 1.6rem;
}

.skip-link:focus {
    top: 1.6rem;
    color: white;
}

a:focus-visible,
.btn:focus-visible,
button:focus-visible,
summary:focus-visible {
    outline: 3px solid var(--color-1-light);
    outline-offset: 3px;
}

/* better contrast for nav links on the dark header bar */
.s-header__menu-links a {
    color: var(--color-gray-12);
}

.s-header__menu-links a:hover,
.s-header__menu-links a:focus-visible {
    color: white;
}

@media screen and (max-width: 600px) {
    .btn {
        white-space: normal;
        height: auto;
        min-height: var(--btn-height);
        line-height: 1.5;
        padding: 1.4rem 2rem;
        letter-spacing: 0.2em;
    }
}

@media (prefers-reduced-motion: no-preference) {
    .cs-doc {
        scroll-behavior: smooth;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        transition-delay: 0s !important;
        animation-duration: 0.01ms !important;
    }
}


/* ===================================================================
 * # SHARED
 * ------------------------------------------------------------------- */

/* section head (eyebrow + heading + intro) */
.pf-head {
    position: relative;
    max-width: 920px;
    margin-bottom: var(--vspace-2);
}

.pf-head[data-num]::before {
    content: attr(data-num);
    font-family: var(--font-1);
    font-weight: 600;
    font-size: 16rem;
    letter-spacing: -0.05em;
    line-height: 1;
    color: var(--color-gray-11);
    opacity: 0.5;
    position: absolute;
    top: -0.32em;
    left: -0.08em;
    pointer-events: none;
}

.pf-head .text-pretitle {
    position: relative;
    margin-bottom: var(--vspace-0_25);
    font-size: 1.5rem;
}

.pf-head__title {
    position: relative;
    font-size: clamp(3rem, 3.6vw, 4.8rem);
    line-height: 1.15;
    letter-spacing: -0.01em;
    font-weight: 600;
    margin: 0;
}

.pf-head__intro {
    position: relative;
    font-size: 1.9rem;
    line-height: 1.7;
    color: var(--color-3);
    margin-top: var(--vspace-0_75);
    margin-bottom: 0;
    max-width: 52em;
}

.pf-head--light .pf-head__title {
    color: white;
}

.pf-head--light[data-num]::before {
    color: rgba(255, 255, 255, 0.12);
    opacity: 1;
}

.pf-head--light .text-pretitle {
    color: var(--pf-accent-on-dark);
}

.pf-head--light .pf-head__intro {
    color: var(--color-gray-11);
}

/* capability tags (non-interactive) */
.pf-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.pf-tags li {
    margin: 0;
    padding: 0.2rem 1rem;
    font-size: 1.3rem;
    line-height: 1.7;
    letter-spacing: 0.04em;
    background: var(--color-gray-10);
    color: var(--color-3);
    border-radius: 3px;
}

.pf-tags--dark li {
    background: rgba(255, 255, 255, 0.09);
    color: var(--color-gray-10);
}

/* chip links (evidence links) */
.pf-chips {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.8rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.pf-chips li {
    margin: 0;
    padding: 0;
}

.pf-chips__label {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-right: 0.4rem;
}

.pf-chip {
    display: inline-block;
    font-size: 1.4rem;
    line-height: 1.5;
    padding: 0.3rem 1.2rem;
    border: 1px solid var(--color-1);
    border-radius: 999px;
    color: var(--color-1);
}

.pf-chip:hover,
.pf-chip:focus-visible {
    background: var(--color-1);
    color: white;
}

/* inline call-to-action link */
.pf-cta-link {
    display: inline-flex;
    align-items: center;
    gap: 0.6rem;
    font-weight: 600;
    font-size: 1.6rem;
    letter-spacing: 0.03em;
    color: var(--color-1);
}

.pf-cta-link::after {
    content: "→";
    transition: transform 0.2s;
}

.pf-cta-link:hover::after {
    transform: translateX(4px);
}

/* external link indicator */
.ext-link::after {
    content: "\2197";
    display: inline-block;
    margin-left: 0.3em;
    font-size: 0.9em;
    text-decoration: none;
}

/* callouts */
.pf-callout {
    background: var(--pf-surface);
    border-left: 3px solid var(--color-1);
    border-radius: 0 var(--pf-radius) var(--pf-radius) 0;
    padding: var(--vspace-1) var(--vspace-1_25);
}

.pf-callout__label,
.pf-callout .pf-callout__label {
    font-family: var(--font-1);
    font-weight: 600;
    font-size: 1.35rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-1);
    margin: 0 0 0.6rem;
}

.pf-callout p {
    margin: 0;
    font-size: 1.8rem;
    line-height: 1.65;
    color: var(--pf-text);
}

/* card */
.pf-card {
    display: flex;
    flex-direction: column;
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
    padding: var(--vspace-1_25);
}

.pf-card__kicker,
.pf-card .pf-card__kicker {
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-1);
    margin: 0;
}

.pf-card__title {
    font-size: clamp(2.2rem, 2vw, 2.6rem);
    line-height: 1.25;
    font-weight: 600;
    margin: var(--vspace-0_25) 0 var(--vspace-0_5);
}

.pf-card__title a {
    color: inherit;
}

.pf-card__title a:hover {
    color: var(--color-1);
}

.pf-card p {
    font-size: 1.75rem;
    line-height: 1.65;
    color: var(--pf-text-soft);
    margin-bottom: var(--vspace-0_75);
}

.pf-card__footer {
    margin-top: auto;
    display: flex;
    flex-direction: column;
    gap: var(--vspace-0_5);
}


/* ===================================================================
 * # HOME
 * ------------------------------------------------------------------- */

/* hero additions */
.s-intro__content-desc {
    font-size: clamp(1.8rem, 1.4vw, 2.2rem);
    line-height: 1.6;
    color: var(--color-3);
    max-width: 34em;
    margin: 0;
    transition: opacity 0.6s cubic-bezier(0.28, 0.12, 0.22, 1) 0.5s, transform 0.6s cubic-bezier(0.28, 0.12, 0.22, 1) 0.5s;
    opacity: 0;
    transform: translateY(150px);
}

.ss-show .s-intro__content-desc,
.no-js .s-intro__content-desc {
    opacity: 1;
    transform: translateY(0);
}

.s-intro__content-title {
    font-family: var(--font-2);
    font-weight: 700;
    margin-bottom: var(--vspace-0_75);
}

.s-intro__content-btns {
    margin-top: var(--vspace-1_5);
}

/* below 1080px the theme places the hero text over the photo */
@media screen and (max-width: 1080px) {
    .s-intro__content-desc {
        margin: 0 auto;
        color: rgba(255, 255, 255, 0.92);
        text-shadow: 0 1px 2px rgba(0, 0, 0, 0.6);
    }

    .s-intro__content-pretitle {
        color: var(--color-gray-10);
    }

    .s-intro__content-media::before {
        z-index: 3;
        background: rgba(0, 0, 0, 0.45);
    }
}

/* sections */
.pf-section {
    padding-top: var(--vspace-5);
    padding-bottom: var(--vspace-1);
}

.pf-section--alt {
    background: var(--color-gray-10);
    margin-top: var(--vspace-4);
    padding-bottom: var(--vspace-4);
}

@media screen and (max-width: 800px) {
    .pf-section {
        padding-top: var(--vspace-3_5);
    }

    .pf-section--alt {
        margin-top: var(--vspace-3);
        padding-bottom: var(--vspace-3);
    }
}

/* evidence strip */
.pf-evidence {
    background: var(--color-3);
    color: var(--color-gray-11);
    padding: var(--vspace-1) 0;
}

.pf-evidence__list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    list-style: none;
    margin: 0;
    padding: 0;
}

.pf-evidence__item {
    margin: 0;
    padding: var(--vspace-0_5) var(--gutter);
    border-left: 1px solid rgba(255, 255, 255, 0.12);
    font-size: 1.6rem;
    line-height: 1.45;
    color: white;
}

.pf-evidence__item:first-child {
    border-left: 0;
}

.pf-evidence__item::before {
    content: "";
    display: block;
    width: 2.4rem;
    height: 2px;
    background: var(--pf-accent-on-dark);
    margin-bottom: 1rem;
}

@media screen and (max-width: 900px) {
    .pf-evidence__list {
        grid-template-columns: 1fr 1fr;
    }

    .pf-evidence__item,
    .pf-evidence__item:first-child {
        border-left: 0;
    }
}

@media screen and (max-width: 500px) {
    .pf-evidence__list {
        grid-template-columns: 1fr;
    }

    .pf-evidence__item {
        padding-left: 0;
        padding-right: 0;
    }
}

/* capabilities */
.pf-cap-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: calc(var(--gutter) * 1.5);
}

@media screen and (max-width: 900px) {
    .pf-cap-grid {
        grid-template-columns: 1fr;
    }
}

/* featured case studies */
.pf-cases {
    display: grid;
    gap: var(--vspace-1_5);
}

.pf-case {
    display: grid;
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
    overflow: hidden;
}

.pf-case__media {
    display: block;
    background: var(--color-gray-11);
}

.pf-case__media img {
    width: 100%;
    height: 100%;
    min-height: 300px;
    object-fit: cover;
    margin: 0;
    vertical-align: bottom;
    transition: opacity 0.3s;
}

.pf-case__media:hover img {
    opacity: 0.88;
}

.pf-case__body {
    display: flex;
    flex-direction: column;
    padding: var(--vspace-1_5) calc(var(--gutter) * 2);
}

.pf-case__title {
    font-size: clamp(2.6rem, 2.4vw, 3.4rem);
    line-height: 1.2;
    font-weight: 600;
    margin: var(--vspace-0_25) 0 var(--vspace-0_5);
}

.pf-case__title a {
    color: inherit;
}

.pf-case__title a:hover {
    color: var(--color-1);
}

.pf-case__copy {
    font-size: 1.8rem;
    line-height: 1.65;
    color: var(--pf-text-soft);
    margin-bottom: var(--vspace-0_75);
}

.pf-case__footer {
    margin-top: auto;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--vspace-0_5);
}

@media screen and (max-width: 900px) {
    .pf-case {
        grid-template-columns: 1fr;
    }

    .pf-case__media img {
        min-height: 0;
        aspect-ratio: 16 / 9;
    }

    .pf-case__body {
        padding: var(--vspace-1) var(--vspace-1) var(--vspace-1_25);
    }
}

/* production work */
.pf-work-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: calc(var(--gutter) * 1.5);
}

@media screen and (max-width: 900px) {
    .pf-work-grid {
        grid-template-columns: 1fr;
    }
}

/* earlier projects (compact) */
.pf-earlier {
    margin-top: var(--vspace-3);
    padding-top: var(--vspace-1_5);
    border-top: 1px solid var(--pf-border);
}

.pf-earlier__title {
    font-size: 2.2rem;
    font-weight: 600;
    margin: 0 0 0.4rem;
}

.pf-earlier__intro {
    font-size: 1.6rem;
    line-height: 1.6;
    color: var(--color-text-light);
    margin: 0;
}

.pf-earlier__list {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(280px, 100%), 1fr));
    gap: var(--vspace-0_75) calc(var(--gutter) * 1.5);
    list-style: none;
    margin: var(--vspace-1) 0 0;
    padding: 0;
}

.pf-earlier__item {
    display: flex;
    gap: 1.4rem;
    align-items: center;
    margin: 0;
    padding: 0;
}

.pf-earlier__item img {
    flex: none;
    width: 96px;
    height: 72px;
    object-fit: cover;
    border-radius: 4px;
    margin: 0;
}

.pf-earlier__name {
    display: block;
    font-weight: 600;
    font-size: 1.7rem;
    line-height: 1.3;
    color: var(--color-text-dark);
}

.pf-earlier__meta {
    display: block;
    font-size: 1.4rem;
    line-height: 1.4;
    color: var(--color-text-light);
}

.pf-earlier__links {
    display: block;
    font-size: 1.4rem;
    line-height: 1.6;
}

.pf-earlier__links a + a {
    margin-left: 1rem;
}

/* how I work */
.pf-how {
    display: grid;
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: calc(var(--gutter) * 3);
    align-items: start;
}

.pf-prose p {
    font-size: 1.9rem;
    line-height: 1.7;
    color: var(--color-3);
}

.pf-checklist {
    list-style: none;
    margin: 0;
    padding: 0;
    border-top: 1px solid var(--pf-border);
}

.pf-checklist li {
    position: relative;
    margin: 0;
    padding: 1.2rem 0 1.2rem 2.8rem;
    border-bottom: 1px solid var(--pf-border);
    font-size: 1.7rem;
    line-height: 1.45;
    color: var(--color-text-dark);
}

.pf-checklist li::before {
    content: "";
    position: absolute;
    left: 0;
    top: 2.1rem;
    width: 1.4rem;
    height: 2px;
    background: var(--color-1);
}

.pf-ai {
    margin-top: var(--vspace-2);
    max-width: 880px;
}

@media screen and (max-width: 900px) {
    .pf-how {
        grid-template-columns: 1fr;
        gap: var(--vspace-1);
    }
}

/* about */
.pf-about .s-about__blocks {
    margin-top: var(--vspace-2);
}

.pf-about .s-about__list li {
    font-size: 1.8rem;
    line-height: 1.4;
}

/* contact footer additions */
.s-footer__lead {
    font-size: 1.9rem;
    line-height: 1.7;
    color: var(--color-gray-11);
    max-width: 42em;
}

.s-footer h3 {
    color: white;
    margin-top: 0;
}

.s-footer .link-list a {
    color: var(--color-gray-12);
}

.s-footer__buttons {
    margin-bottom: var(--vspace-1_5);
}

.s-footer__buttons .column {
    margin-bottom: var(--vspace-0_5);
}

.s-footer .ss-copyright span,
.s-footer .ss-copyright a {
    color: var(--color-gray-13);
}

.s-footer__social svg path,
.s-footer__social svg circle {
    fill: var(--color-gray-13);
}


/* ===================================================================
 * # CASE STUDY
 * ------------------------------------------------------------------- */

/* hero */
.cs-hero {
    background: var(--color-3);
    color: var(--color-gray-11);
    padding-top: calc(72px + var(--vspace-4));
    padding-bottom: var(--vspace-2_5);
}

.cs-breadcrumb {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem;
    list-style: none;
    margin: 0 0 var(--vspace-1);
    padding: 0;
    font-size: 1.4rem;
    letter-spacing: 0.04em;
}

.cs-breadcrumb li {
    margin: 0;
    padding: 0;
    color: var(--color-gray-12);
}

.cs-breadcrumb li + li::before {
    content: "/";
    margin-right: 0.6rem;
    color: var(--color-gray-15);
}

.cs-breadcrumb a {
    color: var(--color-gray-12);
}

.cs-breadcrumb a:hover {
    color: white;
}

.cs-hero .text-pretitle {
    color: var(--pf-accent-on-dark);
    font-size: 1.5rem;
    margin-bottom: var(--vspace-0_25);
}

.cs-hero__title {
    color: white;
    font-size: clamp(3.2rem, 4.2vw, 6rem);
    line-height: 1.12;
    letter-spacing: -0.015em;
    font-weight: 600;
    margin: 0 0 var(--vspace-0_75);
    max-width: 22em;
}

.cs-hero__subtitle {
    font-size: clamp(1.9rem, 1.6vw, 2.3rem);
    line-height: 1.55;
    color: var(--color-gray-10);
    max-width: 46em;
    margin-bottom: var(--vspace-1_5);
}

.cs-meta {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
    gap: var(--vspace-0_75) calc(var(--gutter) * 2);
    margin: 0 0 var(--vspace-1);
    padding: var(--vspace-1) 0;
    border-top: 1px solid rgba(255, 255, 255, 0.12);
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.cs-meta div {
    margin: 0;
}

.cs-meta dt {
    font-size: 1.25rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-gray-13);
    margin: 0;
}

.cs-meta dd {
    margin: 0.3rem 0 0;
    font-size: 1.7rem;
    line-height: 1.45;
    color: white;
}

.cs-hero__summary {
    font-family: var(--font-read);
    font-size: 1.8rem;
    line-height: 1.7;
    color: var(--color-gray-10);
    max-width: 48em;
    margin: var(--vspace-1) 0;
}

.cs-hero__row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--vspace-0_75);
}

.cs-links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.6rem 2rem;
    list-style: none;
    margin: 0;
    padding: 0;
}

.cs-links li {
    margin: 0;
    padding: 0;
}

.cs-links a {
    font-size: 1.6rem;
    font-weight: 600;
    color: var(--pf-accent-on-dark);
}

.cs-links a:hover {
    color: white;
}

/* body layout */
.cs-body {
    padding: var(--vspace-3) 0 var(--vspace-4);
}

.cs-layout {
    display: grid;
    grid-template-columns: 230px minmax(0, 1fr);
    gap: calc(var(--gutter) * 3);
    align-items: start;
}

/* table of contents */
.cs-toc {
    position: sticky;
    top: 10rem;
    font-size: 1.5rem;
}

.cs-toc__title {
    font-size: 1.25rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-text-light);
    margin: 0 0 0.8rem;
}

.cs-toc ol {
    list-style: none;
    margin: 0;
    padding: 0;
    border-left: 1px solid var(--pf-border);
}

.cs-toc li {
    margin: 0;
    padding: 0;
}

.cs-toc a {
    display: block;
    margin-left: -1px;
    padding: 0.5rem 0 0.5rem 1.4rem;
    border-left: 2px solid transparent;
    line-height: 1.4;
    color: var(--color-3);
}

.cs-toc a:hover,
.cs-toc a.is-active {
    color: var(--color-1);
    border-left-color: var(--color-1);
}

@media screen and (max-width: 1000px) {
    .cs-layout {
        grid-template-columns: 1fr;
        gap: var(--vspace-1_5);
    }

    .cs-toc {
        position: static;
        background: var(--pf-surface);
        border: 1px solid var(--pf-border);
        border-radius: var(--pf-radius);
        padding: var(--vspace-0_75) var(--vspace-1);
    }
}

/* article typography */
.cs-article {
    max-width: 780px;
    font-family: var(--font-read);
    color: var(--pf-text);
}

.cs-article p,
.cs-article li {
    font-size: 1.8rem;
    line-height: 1.75;
}

.cs-article p {
    margin-bottom: 2.4rem;
}

.cs-article ul {
    margin: 0 0 2.4rem 2.2rem;
}

.cs-article li {
    margin-bottom: 0.6rem;
}

.cs-article h2,
.cs-article h3 {
    color: var(--color-text-dark);
}

.cs-article h2 {
    font-size: clamp(2.6rem, 2.6vw, 3.4rem);
    line-height: 1.22;
    font-weight: 600;
    margin-top: 0;
    margin-bottom: var(--vspace-0_75);
}

.cs-article h3 {
    font-size: 2.2rem;
    line-height: 1.3;
    font-weight: 600;
    margin-top: var(--vspace-1_5);
    margin-bottom: var(--vspace-0_5);
}

.cs-section {
    padding-top: var(--vspace-2);
    scroll-margin-top: 9rem;
}

.cs-section:first-child {
    padding-top: 0;
}

.cs-kicker {
    display: block;
    font-family: var(--font-1);
    font-size: 1.35rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-1);
    margin-bottom: 0.4rem;
}

.cs-article code {
    font-size: 0.9em;
    background: var(--color-gray-10);
    padding: 0.1em 0.4em;
    border-radius: 3px;
}

/* ownership block */
.cs-ownership {
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-top: 4px solid var(--color-1);
    border-radius: var(--pf-radius);
    padding: var(--vspace-1_25);
}

.cs-ownership h2 {
    margin-top: 0;
}

.cs-ownership__cols {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--vspace-1);
    margin-top: var(--vspace-0_75);
}

.cs-ownership__cols h3 {
    margin-top: 0;
    font-family: var(--font-1);
    font-size: 1.35rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    color: var(--color-1);
}

.cs-ownership__cols ul {
    margin-bottom: 0;
}

.cs-ownership__cols li {
    font-size: 1.65rem;
    line-height: 1.55;
}

.cs-ownership__boundary {
    align-self: start;
    background: var(--color-gray-9);
    border-radius: 4px;
    padding: var(--vspace-0_75);
}

.cs-ownership__boundary h3 {
    color: var(--color-3);
}

@media screen and (max-width: 700px) {
    .cs-ownership {
        padding: var(--vspace-1);
    }

    .cs-ownership__cols {
        grid-template-columns: 1fr;
    }
}

/* technical callouts */
.cs-callout {
    margin: 0 0 2.4rem;
}

.cs-callout--note {
    border-left-color: var(--color-gray-14);
    background: var(--color-gray-8);
}

.cs-callout--note .pf-callout__label {
    color: var(--color-3);
}

/* decisions */
.cs-decisions {
    display: grid;
    gap: var(--vspace-0_75);
}

.cs-decision {
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
    padding: var(--vspace-1) var(--vspace-1_25);
}

.cs-decision h3 {
    margin-top: 0;
    font-size: 2rem;
}

.cs-decision h3 span {
    display: block;
    font-family: var(--font-1);
    font-size: 1.25rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--color-1);
    margin-bottom: 0.4rem;
}

.cs-decision p {
    margin-bottom: 0;
}

/* diagrams */
.cs-diagram {
    margin: var(--vspace-1) 0 var(--vspace-1_5);
    padding: var(--vspace-1);
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
}

.cs-diagram figcaption {
    font-family: var(--font-1);
    font-size: 1.3rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.14em;
    color: var(--color-text-light);
    margin: 0 0 1.2rem;
}

.cs-diagram__note {
    font-size: 1.45rem !important;
    line-height: 1.55 !important;
    color: var(--pf-text-soft);
    margin: 1.2rem 0 0 !important;
}

.cs-flow {
    display: flex;
    list-style: none;
    margin: 0 !important;
    padding: 0;
}

.cs-flow li {
    flex: 1 1 0;
    min-width: 0;
    display: flex;
    align-items: stretch;
    margin: 0;
    padding: 0;
    font-size: 1.5rem;
    line-height: 1.35;
}

.cs-flow li + li::before {
    content: "\2192";
    flex: none;
    align-self: center;
    padding: 0 0.6rem;
    color: var(--color-1);
    font-size: 1.8rem;
}

.cs-flow__node {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    text-align: center;
    padding: 1.2rem 1rem;
    background: var(--color-gray-9);
    border: 1px solid var(--pf-border);
    border-radius: 4px;
    font-weight: 600;
    color: var(--color-text-dark);
}

.cs-flow__node small {
    display: block;
    margin-top: 0.3rem;
    font-weight: 400;
    font-size: 1.3rem;
    color: var(--pf-text-soft);
}

.cs-flow__node--accent {
    background: var(--color-1);
    border-color: var(--color-1);
    color: white;
}

.cs-flow__node--accent small {
    color: rgba(255, 255, 255, 0.85);
}

/* vertical variant for longer pipelines */
.cs-flow--vertical {
    flex-direction: column;
    max-width: 560px;
    margin: 0 auto !important;
}

.cs-flow--vertical li {
    flex-direction: column;
}

.cs-flow--vertical li + li::before {
    content: "\2193";
    align-self: center;
    padding: 0.3rem 0;
}

.cs-flow--vertical .cs-flow__node {
    justify-content: center;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: baseline;
    gap: 0 1rem;
}

.cs-flow--vertical .cs-flow__node small {
    margin-top: 0;
}

@media screen and (max-width: 760px) {
    .cs-flow {
        flex-direction: column;
    }

    .cs-flow li {
        flex-direction: column;
    }

    .cs-flow li + li::before {
        content: "\2193";
        padding: 0.3rem 0;
    }
}

/* media */
.cs-figure {
    margin: var(--vspace-1) 0 var(--vspace-1_5);
}

.cs-figure img {
    width: 100%;
    border-radius: var(--pf-radius);
    margin: 0;
    vertical-align: bottom;
}

.cs-figure figcaption {
    font-size: 1.45rem;
    line-height: 1.5;
    color: var(--pf-text-soft);
    margin-top: 0.8rem;
}

.cs-video {
    position: relative;
    display: block;
    aspect-ratio: 16 / 9;
    background: #111;
    border-radius: var(--pf-radius);
    overflow: hidden;
}

.cs-video img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    margin: 0;
    opacity: 0.85;
    transition: opacity 0.2s;
}

.cs-video:hover img {
    opacity: 1;
}

.cs-video__play {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    display: flex;
    align-items: center;
    gap: 1rem;
    background: rgba(0, 0, 0, 0.72);
    color: white;
    font-family: var(--font-1);
    font-size: 1.5rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    padding: 1.2rem 2rem;
    border-radius: 999px;
    white-space: nowrap;
}

.cs-video__play::before {
    content: "";
    border-style: solid;
    border-width: 0.6em 0 0.6em 1em;
    border-color: transparent transparent transparent white;
}

.cs-video iframe {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    border: 0;
}

/* next / previous case studies */
.cs-next {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: calc(var(--gutter) * 1.5);
    margin-top: var(--vspace-3);
    padding-top: var(--vspace-1_5);
    border-top: 1px solid var(--pf-border);
}

.cs-next a {
    display: block;
    background: var(--pf-surface);
    border: 1px solid var(--pf-border);
    border-radius: var(--pf-radius);
    padding: var(--vspace-0_75) var(--vspace-1);
    color: var(--color-text-dark);
    font-family: var(--font-1);
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.35;
}

.cs-next a:hover {
    border-color: var(--color-1);
    color: var(--color-1);
}

.cs-next span {
    display: block;
    font-size: 1.25rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--color-text-light);
    margin-bottom: 0.4rem;
}

@media screen and (max-width: 700px) {
    .cs-next {
        grid-template-columns: 1fr;
    }
}

.cs-figure--narrow {
    max-width: 320px;
}