html,
body {
    max-width: 100%;
    overflow-x: hidden;
}

/* =========================================================
   MASH WEB STUDIO
   Design System v1.1
   Controlled refinement pass
   ========================================================= */


/* =========================================================
   01. DESIGN TOKENS
   ========================================================= */

   @font-face {
    font-family: "Inter";
    src: url("assets/fonts/Inter-Regular.woff2") format("woff2");
    font-style: normal;
    font-weight: 400;
    font-display: swap;
}

@font-face {
    font-family: "Inter";
    src: url("assets/fonts/Inter-SemiBold.woff2") format("woff2");
    font-style: normal;
    font-weight: 600;
    font-display: swap;
}

@font-face {
    font-family: "Manrope";
    src: url("assets/fonts/Manrope-wght.woff2") format("woff2");
    font-style: normal;
    font-weight: 200 800;
    font-display: swap;
}

:root {

    /* Colours */
    --color-paper: #f5f3ee;
    --color-ink: #11110f;
    --color-stone: #68665f;
    --color-line: #d9d6ce;
    --color-cobalt: #3157ff;
    --color-white: #ffffff;

    /* Typography */
    --font-heading: "Manrope", sans-serif;
    --font-body: "Inter", sans-serif;

    /* Layout */
    --container-width: 1280px;
    --page-padding: 32px;

    /* Spacing */
    --space-xs: 8px;
    --space-sm: 16px;
    --space-md: 24px;
    --space-lg: 40px;
    --space-xl: 64px;
    --space-2xl: 96px;
    --space-3xl: 120px;

    /* Borders */
    --border: 1px solid var(--color-line);

    /* Motion */
    --transition-fast: 200ms ease;
    --transition-standard: 350ms ease;
}


/* =========================================================
   02. RESET
   ========================================================= */

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;

    background: var(--color-paper);
    color: var(--color-ink);

    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.5;

    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.menu-open {
    overflow: hidden;
}

img {
    display: block;
    max-width: 100%;
    height: auto;
}

button,
input,
textarea,
select {
    font: inherit;
}

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

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

button {
    border: 0;
    background: none;
}

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


/* =========================================================
   03. TYPOGRAPHY
   ========================================================= */

h1,
h2,
h3 {
    font-family: var(--font-heading);
    font-weight: 600;
    letter-spacing: -0.045em;
}


/* =========================================================
   04. GLOBAL LAYOUT
   ========================================================= */

.container {
    width: min(
        calc(100% - (var(--page-padding) * 2)),
        var(--container-width)
    );

    margin-inline: auto;
}


/* =========================================================
   05. ACCESSIBILITY
   ========================================================= */

:focus-visible {
    outline: 2px solid var(--color-cobalt);
    outline-offset: 5px;
}


/* =========================================================
   06. HEADER
   ========================================================= */

.site-header {
    position: relative;
    z-index: 100;
}

.nav {
    min-height: 88px;

    display: grid;
    grid-template-columns: 1fr auto auto;
    align-items: center;

    column-gap: 48px;

    border-bottom: var(--border);
}

.nav__brand {
    justify-self: start;

    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 0.04em;
}

.nav__links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav__links a {
    position: relative;

    font-size: 14px;
    color: var(--color-stone);

    transition: color var(--transition-fast);
}

.nav__links a::after {
    content: "";

    position: absolute;
    left: 0;
    right: 0;
    bottom: -5px;

    height: 1px;

    background: var(--color-ink);

    transform: scaleX(0);
    transform-origin: right;

    transition: transform var(--transition-standard);
}

.nav__links a:hover {
    color: var(--color-ink);
}

.nav__links a:hover::after {
    transform: scaleX(1);
    transform-origin: left;
}

.nav__cta {
    justify-self: end;

    display: inline-flex;
    align-items: center;
    gap: 8px;

    font-size: 14px;
    font-weight: 600;

    white-space: nowrap;

    transition: color var(--transition-fast);
}

.nav__cta:hover {
    color: var(--color-cobalt);
}


/* =========================================================
   07. MOBILE MENU
   ========================================================= */

.nav__menu-button {
    display: none;

    width: 44px;
    height: 44px;

    cursor: pointer;
}

.nav__menu-button span {
    display: block;

    width: 22px;
    height: 1px;

    margin: 5px auto;

    background: var(--color-ink);

    transition:
        transform var(--transition-fast),
        opacity var(--transition-fast);
}

.nav__menu-button[aria-expanded="true"] span:first-child {
    transform: translateY(3px) rotate(45deg);
}

.nav__menu-button[aria-expanded="true"] span:last-child {
    transform: translateY(-3px) rotate(-45deg);
}

.mobile-menu {
    position: absolute;

    top: 100%;
    left: 0;
    right: 0;

    display: block;

    padding: 0 var(--page-padding);

    background: var(--color-paper);

    border-bottom: var(--border);

    opacity: 0;
    visibility: hidden;

    transform: translateY(-8px);

    transition:
        opacity var(--transition-fast),
        visibility var(--transition-fast),
        transform var(--transition-fast);
}

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

.mobile-menu nav {
    display: flex;
    flex-direction: column;
}

.mobile-menu a {
    padding-block: 20px;

    border-bottom: var(--border);

    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 600;
}

.mobile-menu a:last-child {
    border-bottom: 0;
}


/* =========================================================
   08. HERO
   ========================================================= */

.hero {
    padding-block: 72px 96px;
}

.hero__inner {
    display: grid;

    grid-template-columns:
        minmax(0, 0.85fr)
        minmax(0, 1.15fr);

    gap: clamp(48px, 6vw, 88px);

    align-items: center;
}

.hero__content {
    max-width: 650px;
}

.hero__eyebrow {
    margin-bottom: 28px;

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;

    color: var(--color-stone);
}

.hero h1 {
    max-width: 650px;

    font-size: clamp(3.5rem, 5.7vw, 6rem);
    line-height: 0.94;
}

.hero__description {
    max-width: 500px;

    margin-top: 32px;

    color: var(--color-stone);

    font-size: clamp(1rem, 1.4vw, 1.15rem);
    line-height: 1.55;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 12px;

    margin-top: 40px;
}


/* =========================================================
   09. BUTTONS
   ========================================================= */

.button {
    min-height: 52px;

    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;

    padding: 0 22px;

    border: 1px solid var(--color-ink);

    font-size: 14px;
    font-weight: 600;

    transition:
        background-color var(--transition-fast),
        color var(--transition-fast),
        border-color var(--transition-fast),
        transform var(--transition-fast);
}

.button:hover {
    transform: translateY(-2px);
}

.button--primary {
    background: var(--color-ink);
    color: var(--color-white);
}

.button--primary:hover {
    background: var(--color-cobalt);
    border-color: var(--color-cobalt);
}

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

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


/* =========================================================
   10. HERO PROJECTS
   ========================================================= */

.hero__visual {
    display: grid;

    grid-template-columns:
        minmax(0, 1.65fr)
        minmax(180px, 0.65fr);

    grid-template-rows: auto auto;

    gap: 18px;

    align-items: start;
}

.hero-project {
    min-width: 0;
}

.hero-project--large {
    grid-row: 1 / span 2;
}

.hero-project__image {
    width: 100%;

    overflow: hidden;

    position: relative;

    background: var(--color-ink);

    border: 1px solid rgba(17, 17, 15, 0.08);
}

.hero-project--large .hero-project__image {
    aspect-ratio: 16 / 10;
}

.hero-project:not(.hero-project--large) .hero-project__image {
    aspect-ratio: 4 / 3;
}

.hero-project__image img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;

    transition:
        transform 600ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

/*
   Apex is a website screenshot rather than an editorial
   photograph. Contain prevents the interface from being
   unnecessarily cropped.
*/
.hero-project--large .hero-project__image img {
    object-fit: contain;
    object-position: center center;
}

.hero-project:hover .hero-project__image img {
    transform: scale(1.015);
}

.hero-project__meta {
    padding-top: 12px;
}

.hero-project__meta span {
    display: block;

    margin-bottom: 6px;

    color: var(--color-stone);

    font-size: 10px;
    font-weight: 600;
    letter-spacing: 0.05em;
    line-height: 1.35;
}

.hero-project__meta h2 {
    font-size: 18px;
    line-height: 1.1;
}


/* =========================================================
   11. PROBLEM
   ========================================================= */

.problem {
    padding-block: 120px;

    border-top: var(--border);
}

.problem__inner {
    display: grid;

    grid-template-columns:
        180px
        minmax(0, 1fr);

    gap: 80px;
}

.problem__label {
    display: flex;
    flex-direction: column;
    gap: 6px;

    padding-top: 12px;

    color: var(--color-stone);

    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.problem__content {
    max-width: 900px;
}

.problem__content h2 {
    max-width: 900px;

    font-size: clamp(3rem, 5.5vw, 6rem);
    line-height: 0.96;
}

.problem__body {
    max-width: 620px;

    margin-top: 56px;

    color: var(--color-stone);

    font-size: 18px;
    line-height: 1.6;
}

.problem__body p {
    margin-bottom: 20px;
}

.problem__body ul {
    display: grid;
    gap: 10px;

    margin: 32px 0;
    padding: 0;

    list-style: none;

    color: var(--color-ink);

    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    line-height: 1.25;
}

.problem__body li {
    position: relative;

    padding-left: 28px;
}

.problem__body li::before {
    content: "→";

    position: absolute;
    left: 0;

    color: var(--color-cobalt);
}

.problem__conclusion {
    max-width: 520px;

    margin-top: 44px !important;

    color: var(--color-ink);

    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 2.5vw, 2.25rem);
    font-weight: 600;
    line-height: 1.15;
    letter-spacing: -0.035em;
}


/* =========================================================
   12. SELECTED WORK
   ========================================================= */

.work {
    padding-block: 120px;

    border-top: var(--border);
}

.work__header {
    display: grid;

    grid-template-columns:
        180px
        minmax(0, 1fr);

    gap: 80px;

    margin-bottom: 72px;
}

.work__label {
    display: flex;
    flex-direction: column;
    gap: 6px;

    padding-top: 12px;

    color: var(--color-stone);

    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.work__intro {
    max-width: 850px;
}

.work__intro h2 {
    max-width: 850px;

    font-size: clamp(3rem, 5vw, 5.5rem);
    line-height: 0.96;
}

.work__intro p {
    max-width: 570px;

    margin-top: 28px;

    color: var(--color-stone);

    font-size: 17px;
    line-height: 1.6;
}


/* =========================================================
   FEATURED PROJECT
   ========================================================= */

.work-project {
    min-width: 0;
}

.work-project--featured {
    margin-bottom: 88px;
}

.work-project__visual {
    display: block;

    width: 100%;

    overflow: hidden;

    background: var(--color-ink);
}

.work-project--featured .work-project__visual {
    aspect-ratio: 16 / 9;
}

.work-project__visual img {
    width: 100%;
    height: 100%;

    display: block;

    object-fit: cover;

    transition:
        transform 700ms cubic-bezier(0.2, 0.7, 0.2, 1);
}

/*
   Apex is a complete website interface.
   Show the complete composition rather than forcing
   a photographic crop.
*/
.work-project--featured .work-project__visual img {
    object-fit: contain;
    object-position: center center;
}

.work-project:hover .work-project__visual img {
    transform: scale(1.015);
}


/* =========================================================
   PROJECT INFORMATION
   ========================================================= */

.work-project__info {
    display: grid;

    grid-template-columns:
        1fr
        1.5fr;

    gap: 40px;

    padding-top: 24px;
}

.work-project__meta {
    display: flex;
    flex-wrap: wrap;
    align-content: flex-start;
    gap: 8px 20px;

    color: var(--color-stone);

    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.04em;
    text-transform: uppercase;
}

.work-project__details {
    max-width: 700px;
}

.work-project__details h3 {
    font-size: clamp(2rem, 3vw, 3rem);
    line-height: 1;
}

.work-project__details p {
    max-width: 620px;

    margin-top: 20px;

    color: var(--color-stone);

    font-size: 16px;
    line-height: 1.6;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;

    margin-top: 28px;

    padding-bottom: 4px;

    border-bottom: 1px solid var(--color-ink);

    font-size: 14px;
    font-weight: 600;

    transition:
        color var(--transition-fast),
        border-color var(--transition-fast);
}

.text-link:hover {
    color: var(--color-cobalt);
    border-color: var(--color-cobalt);
}


/* =========================================================
   PROJECTS 02 + 03
   ========================================================= */

.work-projects-grid {
    display: grid;

    grid-template-columns:
        repeat(2, minmax(0, 1fr));

    gap: 48px;
}

.work-projects-grid .work-project__visual {
    aspect-ratio: 4 / 3;
}

.work-projects-grid .work-project__info {
    display: block;
}

.work-projects-grid .work-project__meta {
    margin-bottom: 24px;
}

.work-projects-grid .work-project__details h3 {
    font-size: clamp(1.75rem, 2.5vw, 2.5rem);
}


/* =========================================================
   13. THINKING
   ========================================================= */

.thinking {
    padding-block: 120px;

    background: var(--color-ink);
    color: var(--color-white);
}

.thinking__inner {
    display: grid;

    grid-template-columns:
        180px
        minmax(0, 1fr);

    gap: 80px;
}

.thinking__label {
    display: flex;
    flex-direction: column;
    gap: 6px;

    padding-top: 12px;

    color: #85837d;

    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.thinking__content {
    max-width: 900px;
}

.thinking__eyebrow {
    margin-bottom: 28px;

    color: #85837d;

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.thinking h2 {
    max-width: 850px;

    font-size: clamp(3.5rem, 6vw, 6.5rem);
    line-height: 0.93;
}

.thinking__lead {
    max-width: 620px;

    margin-top: 44px;

    color: #b9b7b0;

    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    line-height: 1.6;
}


/* =========================================================
   THINKING SEQUENCE
   ========================================================= */

.thinking__sequence {
    display: grid;

    grid-template-columns:
        repeat(4, 1fr);

    margin-top: 72px;

    border-top: 1px solid #343430;
    border-left: 1px solid #343430;
}

.thinking-step {
    min-height: 140px;

    display: flex;
    flex-direction: column;
    justify-content: space-between;

    padding: 20px;

    border-right: 1px solid #343430;
    border-bottom: 1px solid #343430;
}

.thinking-step span {
    color: #77756f;

    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
}

.thinking-step strong {
    font-family: var(--font-heading);

    font-size: 18px;
    font-weight: 600;
    letter-spacing: -0.025em;
}


/*
   The seventh item intentionally spans two columns.
   This makes the asymmetry deliberate rather than leaving
   an unexplained empty eighth cell.
*/
.thinking-step:nth-child(7) {
    grid-column: span 2;
}


/* =========================================================
   14. PROCESS
   ========================================================= */

.process {
    padding-block: 120px;

    border-top: var(--border);
}

.process__header {
    display: grid;

    grid-template-columns:
        180px
        minmax(0, 1fr);

    gap: 80px;

    margin-bottom: 72px;
}

.process__label {
    display: flex;
    flex-direction: column;
    gap: 6px;

    padding-top: 12px;

    color: var(--color-stone);

    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.process__intro {
    max-width: 850px;
}

.process__intro h2 {
    max-width: 850px;

    font-size: clamp(3rem, 5vw, 5.5rem);
    line-height: 0.96;
}

.process__intro p {
    max-width: 580px;

    margin-top: 28px;

    color: var(--color-stone);

    font-size: 17px;
    line-height: 1.6;
}


/* =========================================================
   PROCESS STEPS
   ========================================================= */

.process__steps {
    border-top: var(--border);
}

.process-step {
    display: grid;

    grid-template-columns:
        180px
        minmax(0, 1fr);

    gap: 80px;

    padding-block: 32px;

    border-bottom: var(--border);

    transition:
        padding-left var(--transition-standard),
        background-color var(--transition-fast);
}

.process-step:hover {
    padding-left: 12px;
    background-color: rgba(17, 17, 15, 0.015);
}

.process-step__number {
    color: var(--color-stone);

    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
}

.process-step:hover .process-step__number {
    color: var(--color-cobalt);
}

.process-step h3 {
    font-size: clamp(1.75rem, 2.5vw, 2.5rem);
    line-height: 1;
}

.process-step p {
    max-width: 620px;

    margin-top: 12px;

    color: var(--color-stone);

    font-size: 16px;
    line-height: 1.55;
}


/* =========================================================
   15. WHY MASH
   ========================================================= */

.why-mash {
    padding-block: 120px;

    border-top: var(--border);
}

.why-mash__header {
    display: grid;

    grid-template-columns:
        180px
        minmax(0, 1fr);

    gap: 80px;
}

.why-mash__label {
    display: flex;
    flex-direction: column;
    gap: 6px;

    padding-top: 12px;

    color: var(--color-stone);

    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.why-mash__intro {
    max-width: 900px;
}

.why-mash__eyebrow {
    margin-bottom: 28px;

    color: var(--color-stone);

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.why-mash__intro h2 {
    max-width: 900px;

    font-size: clamp(3rem, 5.5vw, 6rem);
    line-height: 0.94;
}

.why-mash__lead {
    max-width: 650px;

    margin-top: 44px;

    color: var(--color-stone);

    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    line-height: 1.6;
}

.why-mash__principles {
    margin-top: 88px;

    border-top: var(--border);
}

.why-mash__principle {
    display: grid;

    grid-template-columns:
        180px
        minmax(0, 1fr);

    gap: 80px;

    padding-block: 32px;

    border-bottom: var(--border);
}

.why-mash__principle > span {
    color: var(--color-stone);

    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
}

.why-mash__principle h3 {
    font-size: clamp(1.75rem, 2.5vw, 2.5rem);
    line-height: 1;
}

.why-mash__principle p {
    max-width: 620px;

    margin-top: 12px;

    color: var(--color-stone);

    font-size: 16px;
    line-height: 1.55;
}


/* =========================================================
   16. FOUNDER
   ========================================================= */

.founder {
    padding-block: 120px;

    background: var(--color-paper);

    border-top: var(--border);
}

.founder__grid {
    display: grid;

    grid-template-columns:
        180px
        minmax(0, 1fr);

    gap: 80px;
}

.founder__label {
    display: flex;
    flex-direction: column;
    gap: 6px;

    padding-top: 12px;

    color: var(--color-stone);

    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.founder__content {
    max-width: 900px;
}

.founder__eyebrow {
    margin-bottom: 28px;

    color: var(--color-stone);

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.founder__content h2 {
    max-width: 850px;

    font-size: clamp(3rem, 5vw, 5.5rem);
    line-height: 0.95;
}

.founder__body {
    max-width: 650px;

    margin-top: 48px;
}

.founder__body p {
    color: var(--color-stone);

    font-size: 17px;
    line-height: 1.65;
}

.founder__body p + p {
    margin-top: 20px;
}

.founder__signature {
    display: flex;
    flex-direction: column;
    gap: 5px;

    margin-top: 48px;
    padding-top: 24px;

    border-top: var(--border);
}

.founder__signature span {
    font-family: var(--font-heading);

    font-size: 28px;
    font-weight: 600;

    letter-spacing: -0.04em;
}

.founder__signature small {
    color: var(--color-stone);

    font-size: 12px;
}


/* =========================================================
   17. FAQ
   ========================================================= */

.faq {
    padding-block: 120px;

    background: var(--color-white);

    border-top: var(--border);
}

.faq__header {
    display: grid;

    grid-template-columns:
        180px
        minmax(0, 1fr);

    gap: 80px;

    margin-bottom: 72px;
}

.faq__label {
    display: flex;
    flex-direction: column;
    gap: 6px;

    padding-top: 12px;

    color: var(--color-stone);

    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.faq__intro {
    max-width: 850px;
}

.faq__eyebrow {
    margin-bottom: 28px;

    color: var(--color-stone);

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.faq__intro h2 {
    max-width: 850px;

    font-size: clamp(3rem, 5vw, 5.5rem);
    line-height: 0.95;
}

.faq__list {
    max-width: 980px;

    margin-left: auto;
}

.faq__item {
    border-top: var(--border);
}

.faq__item:last-child {
    border-bottom: var(--border);
}

.faq__item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;

    gap: 32px;

    padding-block: 28px;

    cursor: pointer;

    list-style: none;

    font-family: var(--font-heading);
    font-size: clamp(1.25rem, 2vw, 1.75rem);
    font-weight: 600;
    line-height: 1.2;
}

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

.faq__item summary::marker {
    display: none;
}

.faq__icon {
    flex: 0 0 auto;

    display: inline-flex;
    align-items: center;
    justify-content: center;

    width: 32px;
    height: 32px;

    color: var(--color-stone);

    font-family: var(--font-body);
    font-size: 24px;
    font-weight: 300;

    transition:
        transform var(--transition-standard);
}

.faq__item[open] .faq__icon {
    transform: rotate(45deg);
}

.faq__answer {
    max-width: 680px;

    padding: 0 64px 28px 0;
}

.faq__answer p {
    color: var(--color-stone);

    font-size: 16px;
    line-height: 1.65;
}

.faq__item summary:focus-visible {
    outline: 2px solid var(--color-cobalt);
    outline-offset: 6px;
}


/* =========================================================
   18. START A PROJECT
   ========================================================= */

.start-project {
    padding-block: 120px;

    background: var(--color-ink);
    color: var(--color-white);
}

.start-project__grid {
    display: grid;

    grid-template-columns:
        180px
        minmax(0, 1fr);

    gap: 80px;
}

.start-project__label {
    display: flex;
    flex-direction: column;
    gap: 6px;

    padding-top: 12px;

    color: #85837d;

    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.06em;
    text-transform: uppercase;
}

.start-project__content {
    max-width: 900px;
}

.start-project__eyebrow {
    margin-bottom: 28px;

    color: #85837d;

    font-size: 12px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.start-project__content h2 {
    max-width: 900px;

    font-size: clamp(3.25rem, 5.8vw, 6rem);
    line-height: 0.94;
    letter-spacing: -0.045em;
}

.start-project__lead {
    max-width: 620px;

    margin-top: 40px;

    color: #b9b7b0;

    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    line-height: 1.6;
}

.start-project__button {
    margin-top: 36px;
}

.start-project__note {
    margin-top: 18px;

    color: #77756f;

    font-size: 12px;
}


/* =========================================================
   19. FOOTER
   ========================================================= */

.site-footer {
    padding-block: 64px 28px;

    background: var(--color-paper);

    border-top: var(--border);
}

.site-footer__top {
    display: grid;

    grid-template-columns:
        1fr
        auto;

    gap: 64px;

    padding-bottom: 56px;
}

.site-footer__brand {
    max-width: 360px;
}

.site-footer__logo {
    display: inline-block;

    font-family: var(--font-heading);

    font-size: 14px;
    font-weight: 700;

    letter-spacing: 0.04em;
}

.site-footer__brand p {
    max-width: 280px;

    margin-top: 20px;

    color: var(--color-stone);

    font-size: 14px;
    line-height: 1.5;
}

.site-footer__nav {
    display: flex;
    flex-direction: column;
    align-items: flex-start;

    gap: 14px;
}

.site-footer__nav a {
    font-size: 14px;

    color: var(--color-stone);

    transition: color var(--transition-fast);
}

.site-footer__nav a:hover {
    color: var(--color-ink);
}

.site-footer__bottom {
    display: grid;

    grid-template-columns:
        1fr
        auto
        1fr;

    align-items: center;

    gap: 24px;

    padding-top: 24px;

    border-top: var(--border);

    color: var(--color-stone);

    font-size: 11px;
}

.site-footer__legal {
    display: flex;
    gap: 20px;
}

.site-footer__legal a,
.site-footer__back-top {
    color: var(--color-stone);

    transition: color var(--transition-fast);
}

.site-footer__legal a:hover,
.site-footer__back-top:hover {
    color: var(--color-ink);
}

.site-footer__back-top {
    justify-self: end;

    display: inline-flex;
    align-items: center;

    gap: 8px;
}


/* =========================================================
   20. TABLET
   ========================================================= */

@media (max-width: 1000px) {

    :root {
        --page-padding: 24px;
    }

    .nav {
        grid-template-columns: 1fr auto;
    }

    .nav__links,
    .nav__cta {
        display: none;
    }

    .nav__menu-button {
        display: block;
        justify-self: end;
    }

    .hero {
        padding-block: 64px 80px;
    }

    .hero__inner {
        grid-template-columns: 1fr;

        gap: 64px;
    }

    .hero__content {
        max-width: 800px;
    }

    .hero h1 {
        max-width: 800px;
    }

    .problem__inner,
    .work__header,
    .thinking__inner,
    .process__header,
    .why-mash__header,
    .founder__grid,
    .faq__header,
    .start-project__grid {
        grid-template-columns:
            140px
            minmax(0, 1fr);

        gap: 48px;
    }

    .process-step,
    .why-mash__principle {
        grid-template-columns:
            140px
            minmax(0, 1fr);

        gap: 48px;
    }
}


/* =========================================================
   21. MOBILE
   ========================================================= */

@media (max-width: 700px) {

    :root {
        --page-padding: 20px;
    }

    .nav {
        min-height: 76px;
    }


    /* HERO */

    .hero {
        padding-block: 56px 72px;
    }

    .hero h1 {
        font-size: clamp(3rem, 14vw, 4.5rem);
        line-height: 0.94;
    }

    .hero__description {
        margin-top: 24px;
    }

    .hero__actions {
        flex-direction: column;
        align-items: stretch;

        margin-top: 32px;
    }

    .button {
        width: 100%;
    }

    .hero__visual {
        grid-template-columns: 1fr;
        grid-template-rows: auto;

        gap: 32px;
    }

    .hero-project--large {
        grid-row: auto;
    }

    .hero-project--large .hero-project__image,
    .hero-project:not(.hero-project--large) .hero-project__image {
        aspect-ratio: 4 / 3;
    }


    /* PROBLEM */

    .problem {
        padding-block: 80px;
    }

    .problem__inner {
        grid-template-columns: 1fr;
        gap: 36px;
    }

    .problem__label {
        padding-top: 0;
    }

    .problem__content h2 {
        font-size: clamp(2.75rem, 12vw, 4rem);
    }

    .problem__body {
        margin-top: 40px;

        font-size: 16px;
    }

    .problem__body ul {
        font-size: 1.3rem;
    }


    /* WORK */

    .work {
        padding-block: 80px;
    }

    .work__header {
        grid-template-columns: 1fr;

        gap: 36px;

        margin-bottom: 56px;
    }

    .work__label {
        padding-top: 0;
    }

    .work__intro h2 {
        font-size: clamp(2.75rem, 12vw, 4rem);
    }

    .work__intro p {
        margin-top: 24px;
    }

    .work-project--featured {
        margin-bottom: 64px;
    }

    .work-project--featured .work-project__visual {
        aspect-ratio: 4 / 3;
    }

    .work-project__info {
        display: block;

        padding-top: 20px;
    }

    .work-project__meta {
        margin-bottom: 20px;
    }

    .work-project__details h3 {
        font-size: 2rem;
    }

    .work-projects-grid {
        grid-template-columns: 1fr;

        gap: 64px;
    }

    .work-projects-grid .work-project__visual {
        aspect-ratio: 4 / 3;
    }


    /* THINKING */

    .thinking {
        padding-block: 80px;
    }

    .thinking__inner {
        grid-template-columns: 1fr;

        gap: 36px;
    }

    .thinking__label {
        padding-top: 0;
    }

    .thinking h2 {
        font-size: clamp(3rem, 13vw, 4.5rem);
    }

    .thinking__lead {
        margin-top: 32px;
    }

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

        margin-top: 56px;
    }

    .thinking-step {
        min-height: 120px;

        padding: 16px;
    }

    .thinking-step strong {
        font-size: 16px;
    }

    .thinking-step:nth-child(7) {
        grid-column: span 2;
    }


    /* PROCESS */

    .process {
        padding-block: 80px;
    }

    .process__header {
        grid-template-columns: 1fr;

        gap: 36px;

        margin-bottom: 56px;
    }

    .process__label {
        padding-top: 0;
    }

    .process__intro h2 {
        font-size: clamp(2.75rem, 12vw, 4rem);
    }

    .process__intro p {
        margin-top: 24px;
    }

    .process-step {
        grid-template-columns:
            40px
            minmax(0, 1fr);

        gap: 20px;

        padding-block: 28px;
    }

    .process-step h3 {
        font-size: 1.75rem;
    }

    .process-step p {
        font-size: 15px;
    }

    .process-step:hover {
        padding-left: 0;
        background: transparent;
    }


    /* WHY MASH */

    .why-mash {
        padding-block: 80px;
    }

    .why-mash__header {
        grid-template-columns: 1fr;

        gap: 36px;
    }

    .why-mash__label {
        padding-top: 0;
    }

    .why-mash__intro h2 {
        font-size: clamp(2.75rem, 12vw, 4.5rem);
    }

    .why-mash__lead {
        margin-top: 32px;
    }

    .why-mash__principles {
        margin-top: 64px;
    }

    .why-mash__principle {
        grid-template-columns:
            40px
            minmax(0, 1fr);

        gap: 20px;

        padding-block: 28px;
    }

    .why-mash__principle h3 {
        font-size: 1.75rem;
    }

    .why-mash__principle p {
        font-size: 15px;
    }


    /* FOUNDER */

    .founder {
        padding-block: 80px;
    }

    .founder__grid {
        grid-template-columns: 1fr;

        gap: 36px;
    }

    .founder__label {
        padding-top: 0;
    }

    .founder__content h2 {
        font-size: clamp(2.75rem, 12vw, 4.5rem);
    }

    .founder__body {
        margin-top: 36px;
    }

    .founder__body p {
        font-size: 16px;
    }

    .founder__signature {
        margin-top: 40px;
    }


    /* FAQ */

    .faq {
        padding-block: 80px;
    }

    .faq__header {
        grid-template-columns: 1fr;

        gap: 36px;

        margin-bottom: 56px;
    }

    .faq__label {
        padding-top: 0;
    }

    .faq__intro h2 {
        font-size: clamp(2.75rem, 12vw, 4.5rem);
    }

    .faq__item summary {
        padding-block: 22px;

        font-size: 1.2rem;
    }

    .faq__answer {
        padding-right: 32px;
        padding-bottom: 22px;
    }

    .faq__answer p {
        font-size: 15px;
    }


    /* START PROJECT */

    .start-project {
        padding-block: 88px;
    }

    .start-project__grid {
        grid-template-columns: 1fr;

        gap: 36px;
    }

    .start-project__label {
        padding-top: 0;
    }

    .start-project__content h2 {
        font-size: clamp(3rem, 13vw, 4.75rem);
    }

    .start-project__lead {
        margin-top: 32px;
    }

    .start-project__button {
        width: 100%;

        margin-top: 28px;
    }


    /* FOOTER */

    .site-footer {
        padding-block: 56px 24px;
    }

    .site-footer__top {
        grid-template-columns: 1fr;

        gap: 40px;

        padding-bottom: 48px;
    }

    .site-footer__bottom {
        grid-template-columns: 1fr;

        gap: 16px;
    }

    .site-footer__back-top {
        justify-self: start;
    }
}


/* =========================================================
   22. REDUCED MOTION
   ========================================================= */

@media (prefers-reduced-motion: reduce) {

    html {
        scroll-behavior: auto;
    }

    *,
    *::before,
    *::after {
        transition-duration: 0.01ms !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
    }
}

.skip-link {
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 9999;
    padding: 0.75rem 1rem;
    background: var(--color-ink);
    color: var(--color-white);
    text-decoration: none;
    transform: translateY(-200%);
    transition: transform 0.2s ease;
}

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

/* =========================================================
   WORK PAGE
========================================================= */

.work-page-hero {
    padding: clamp(7rem, 14vw, 11rem) 0 clamp(5rem, 9vw, 8rem);
    background: var(--color-paper);
}

.work-page-hero .container {
    display: grid;
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, 0.6fr);
    gap: 4rem;
    align-items: end;
}

.work-page-hero h1 {
    max-width: 850px;
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(3.5rem, 7vw, 7rem);
    font-weight: 600;
    line-height: 0.95;
    letter-spacing: -0.055em;
    color: var(--color-ink);
}

.work-page-hero__description {
    max-width: 420px;
    margin: 0 0 0.35rem;
    color: var(--color-stone);
    font-size: 1.05rem;
    line-height: 1.65;
}


/* PROJECTS */

.work-projects {
    padding: 0 0 clamp(7rem, 12vw, 11rem);
    background: var(--color-paper);
}

.work-project {
    display: grid;
    grid-template-columns: minmax(0, 1.6fr) minmax(260px, 0.7fr);
    gap: clamp(2rem, 5vw, 6rem);
    align-items: center;
    padding: clamp(4rem, 8vw, 8rem) 0;
    border-top: 1px solid var(--color-line);
}

.work-project:last-child {
    border-bottom: 1px solid var(--color-line);
}

.work-project__image {
    display: block;
    overflow: hidden;
    background: var(--color-line);
}

.work-project__image img {
    display: block;
    width: 100%;
    height: auto;
    transition: transform 500ms ease;
}

.work-project__image:hover img {
    transform: scale(1.015);
}

.work-project__content {
    max-width: 460px;
}

.work-project__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem 1rem;
    margin-bottom: 1.5rem;
    color: var(--color-stone);
    font-size: 0.72rem;
    font-weight: 600;
    letter-spacing: 0.08em;
    line-height: 1.4;
    text-transform: uppercase;
}

.work-project__meta span + span {
    position: relative;
}

.work-project__meta span + span::before {
    content: "/";
    position: absolute;
    left: -0.65rem;
    color: var(--color-line);
}

.work-project h2 {
    margin: 0 0 1rem;
    font-family: var(--font-heading);
    font-size: clamp(2rem, 4vw, 3.75rem);
    font-weight: 600;
    line-height: 1;
    letter-spacing: -0.045em;
    color: var(--color-ink);
}

.work-project__content > p {
    max-width: 400px;
    margin: 0 0 2rem;
    color: var(--color-stone);
    font-size: 1rem;
    line-height: 1.7;
}


/* THINKING */

.work-thinking {
    padding: clamp(6rem, 10vw, 10rem) 0;
    background: var(--color-ink);
    color: var(--color-white);
}

.work-thinking .container {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(280px, 0.7fr);
    gap: 5rem;
}

.work-thinking .section-eyebrow {
    color: rgba(255, 255, 255, 0.55);
}

.work-thinking h2 {
    max-width: 700px;
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(3rem, 6vw, 6rem);
    font-weight: 600;
    line-height: 0.96;
    letter-spacing: -0.055em;
}

.work-thinking__body {
    max-width: 500px;
    padding-top: 0.5rem;
}

.work-thinking__body p {
    margin: 0 0 1.5rem;
    color: rgba(255, 255, 255, 0.7);
    font-size: 1.05rem;
    line-height: 1.7;
}

.work-thinking__sequence {
    margin-top: 3rem !important;
    color: var(--color-white) !important;
    font-size: 0.78rem !important;
    font-weight: 600;
    letter-spacing: 0.04em;
    line-height: 1.8 !important;
}


/* FINAL CTA */

.work-cta {
    padding: clamp(6rem, 12vw, 11rem) 0;
    background: var(--color-paper);
}

.work-cta .container {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.work-cta h2 {
    max-width: 800px;
    margin: 0 0 1rem;
    font-family: var(--font-heading);
    font-size: clamp(3.25rem, 7vw, 7rem);
    font-weight: 600;
    line-height: 0.95;
    letter-spacing: -0.055em;
    color: var(--color-ink);
}

.work-cta p:not(.section-eyebrow) {
    margin: 0 0 2rem;
    color: var(--color-stone);
    font-size: 1.05rem;
    line-height: 1.6;
}


/* VISUALLY HIDDEN */

.visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}


/* WORK PAGE — MOBILE */

@media (max-width: 800px) {

    .work-page-hero {
        padding: 6rem 0 4.5rem;
    }

    .work-page-hero .container {
        display: block;
    }

    .work-page-hero h1 {
        font-size: clamp(3rem, 13vw, 5rem);
    }

    .work-page-hero__description {
        margin-top: 2rem;
    }


    .work-project {
        display: block;
        padding: 4rem 0;
    }

    .work-project__content {
        max-width: none;
        padding-top: 2rem;
    }

    .work-project h2 {
        font-size: clamp(2.2rem, 9vw, 3.5rem);
    }


    .work-thinking {
        padding: 5rem 0;
    }

    .work-thinking .container {
        display: block;
    }

    .work-thinking h2 {
        font-size: clamp(3rem, 13vw, 5rem);
    }

    .work-thinking__body {
        margin-top: 3rem;
    }


    .work-cta {
        padding: 5rem 0;
    }

    .work-cta h2 {
        font-size: clamp(3rem, 13vw, 5rem);
    }

}

/* =========================================================
   CASE STUDY — APEX PLUMBING
   ========================================================= */

.case-study-hero {
    padding: 7rem 0 5rem;
}

.case-study-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem 2rem;
    margin-bottom: 2rem;
    color: var(--color-stone);
    font-size: 0.8rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.case-study-hero__meta span {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.case-study-hero__meta span + span::before {
    content: "";
    width: 4px;
    height: 4px;
    border-radius: 50%;
    background: var(--color-line);
}

.case-study-hero h1 {
    max-width: 950px;
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(3.5rem, 8vw, 8rem);
    line-height: 0.94;
    letter-spacing: -0.055em;
    font-weight: 600;
}

.case-study-hero__lead {
    max-width: 720px;
    margin: 2.5rem 0 0;
    font-size: clamp(1.25rem, 2vw, 1.7rem);
    line-height: 1.45;
    color: var(--color-stone);
}

.case-study-hero__note {
    max-width: 650px;
    margin: 1.5rem 0 0;
    font-size: 0.9rem;
    line-height: 1.6;
    color: var(--color-stone);
}

.case-study-hero-image {
    margin-top: 5rem;
}

.case-study-hero-image img,
.case-study-wide-image img,
.case-study-visual img {
    display: block;
    width: 100%;
    height: auto;
}

.case-study-overview {
    padding: 7rem 0;
    border-top: 1px solid var(--color-line);
}

.case-study-overview__grid {
    display: grid;
    grid-template-columns: minmax(180px, 0.7fr) minmax(0, 2fr);
    gap: 5rem;
}

.case-study-section-label {
    margin: 0;
    font-size: 0.75rem;
    line-height: 1.4;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--color-stone);
}

.case-study-overview h2,
.case-study-section h2,
.case-study-reflection h2 {
    max-width: 850px;
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(2.25rem, 5vw, 4.5rem);
    line-height: 1;
    letter-spacing: -0.045em;
    font-weight: 600;
}

.case-study-overview p {
    max-width: 760px;
    margin: 1.75rem 0 0;
    color: var(--color-stone);
    font-size: 1.1rem;
    line-height: 1.7;
}

.case-study-dark {
    padding: 7rem 0;
    background: var(--color-ink);
    color: var(--color-white);
}

.case-study-dark__grid {
    display: grid;
    grid-template-columns: minmax(180px, 0.7fr) minmax(0, 2fr);
    gap: 5rem;
}

.case-study-dark .case-study-section-label {
    color: #aaa8a0;
}

.case-study-dark h2 {
    max-width: 900px;
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 5rem);
    line-height: 0.98;
    letter-spacing: -0.05em;
    font-weight: 600;
}

.case-study-dark p {
    max-width: 760px;
    margin: 1.75rem 0 0;
    color: #c7c5be;
    font-size: 1.1rem;
    line-height: 1.7;
}

.case-study-journey {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 1px;
    margin-top: 4rem;
    background: #3a3935;
    border: 1px solid #3a3935;
}

.case-study-journey__item {
    padding: 2rem;
    background: var(--color-ink);
    color: var(--color-white);
}

.case-study-journey__number {
    display: block;
    margin-bottom: 4rem;
    color: #8f8d86;
    font-size: 0.75rem;
    letter-spacing: 0.1em;
}

.case-study-journey h3 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    line-height: 1.1;
    letter-spacing: -0.025em;
}

.case-study-journey p {
    margin: 0.85rem 0 0;
    color: #c7c5be;
    font-size: 0.95rem;
    line-height: 1.6;
}

.case-study-section {
    padding: 7rem 0;
    border-top: 1px solid var(--color-line);
}

.case-study-section__intro {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 5rem;
}

.case-study-section__intro > div:last-child > p {
    max-width: 760px;
    margin: 1.75rem 0 0;
    color: var(--color-stone);
    font-size: 1.1rem;
    line-height: 1.7;
}

.case-study-visual {
    margin-top: 5rem;
}

.case-study-visual__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1.5rem;
}

.case-study-visual__item {
    overflow: hidden;
    background: var(--color-white);
}

.case-study-visual__caption {
    padding: 1rem 1.25rem;
    border: 1px solid var(--color-line);
    border-top: 0;
    color: var(--color-stone);
    font-size: 0.8rem;
    line-height: 1.5;
}

.case-study-wide-image {
    margin-top: 1.5rem;
}

.case-study-mobile {
    display: grid;
    grid-template-columns: minmax(180px, 0.7fr) minmax(0, 2fr);
    gap: 5rem;
    align-items: start;
    margin-top: 5rem;
}

.case-study-mobile-image {
    max-width: 414px;
    margin-left: auto;
    margin-right: auto;
}

.case-study-development {
    padding: 7rem 0;
    background: var(--color-paper);
    border-top: 1px solid var(--color-line);
}

.case-study-development__grid {
    display: grid;
    grid-template-columns: minmax(180px, 0.7fr) minmax(0, 2fr);
    gap: 5rem;
}

.case-study-development__grid ul {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0;
    margin: 2.5rem 0 0;
    padding: 0;
    list-style: none;
    border-top: 1px solid var(--color-line);
}

.case-study-development__grid li {
    padding: 1.25rem 0;
    border-bottom: 1px solid var(--color-line);
    color: var(--color-stone);
    font-size: 0.95rem;
    line-height: 1.5;
}

.case-study-development__grid li:nth-child(odd) {
    padding-right: 2rem;
}

.case-study-development__grid li:nth-child(even) {
    padding-left: 2rem;
    border-left: 1px solid var(--color-line);
}

.case-study-reflection {
    padding: 7rem 0;
}

.case-study-reflection > div {
    display: grid;
    grid-template-columns: minmax(180px, 0.7fr) minmax(0, 2fr);
    gap: 5rem;
}

.case-study-reflection p {
    max-width: 760px;
    margin: 1.75rem 0 0;
    color: var(--color-stone);
    font-size: 1.1rem;
    line-height: 1.7;
}

.case-study-disclaimer {
    margin-top: 3rem;
    padding: 1.25rem 1.5rem;
    border-left: 2px solid var(--color-cobalt);
    background: rgba(49, 87, 255, 0.05);
    color: var(--color-stone);
    font-size: 0.9rem;
    line-height: 1.6;
}

.case-study-next {
    padding: 5rem 0;
    border-top: 1px solid var(--color-line);
}

.case-study-next a {
    display: block;
    color: inherit;
    text-decoration: none;
}

.case-study-next__label {
    display: block;
    margin-bottom: 1rem;
    color: var(--color-stone);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.case-study-next h2 {
    margin: 0;
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 6vw, 6rem);
    line-height: 0.95;
    letter-spacing: -0.05em;
    font-weight: 600;
}

.site-footer {
    padding: 3rem 0;
    border-top: 1px solid var(--color-line);
}

.site-footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.site-footer p {
    margin: 0;
    color: var(--color-stone);
    font-size: 0.85rem;
}

.site-footer__links {
    display: flex;
    flex-wrap: wrap;
    gap: 1.25rem;
}

.site-footer__links a {
    color: var(--color-ink);
    font-size: 0.85rem;
    text-decoration: none;
}

.site-footer__links a:hover {
    text-decoration: underline;
}


/* =========================================================
   CASE STUDY — RESPONSIVE
   ========================================================= */

@media (max-width: 900px) {
    .case-study-hero {
        padding: 5rem 0 4rem;
    }

    .case-study-hero-image {
        margin-top: 3.5rem;
    }

    .case-study-overview,
    .case-study-dark,
    .case-study-section,
    .case-study-development,
    .case-study-reflection {
        padding: 5rem 0;
    }

    .case-study-overview__grid,
    .case-study-dark__grid,
    .case-study-section__intro,
    .case-study-development__grid,
    .case-study-reflection > div,
    .case-study-mobile {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .case-study-journey {
        grid-template-columns: 1fr;
    }

    .case-study-journey__number {
        margin-bottom: 2.5rem;
    }

    .case-study-visual {
        margin-top: 3rem;
    }

    .case-study-mobile {
        margin-top: 3rem;
    }

    .case-study-mobile-image {
        margin-left: 0;
    }
}

@media (max-width: 640px) {
    .case-study-hero {
        padding: 3.5rem 0 3rem;
    }

    .case-study-hero h1 {
        font-size: clamp(3rem, 16vw, 5rem);
    }

    .case-study-hero__lead {
        margin-top: 1.75rem;
        font-size: 1.15rem;
    }

    .case-study-hero-image {
        margin-top: 2.5rem;
    }

    .case-study-overview,
    .case-study-dark,
    .case-study-section,
    .case-study-development,
    .case-study-reflection {
        padding: 4rem 0;
    }

    .case-study-overview h2,
    .case-study-section h2,
    .case-study-reflection h2,
    .case-study-dark h2 {
        font-size: clamp(2.25rem, 12vw, 3.5rem);
    }

    .case-study-journey__item {
        padding: 1.5rem;
    }

    .case-study-visual__grid {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .case-study-development__grid ul {
        grid-template-columns: 1fr;
    }

    .case-study-development__grid li:nth-child(even) {
        padding-left: 0;
        border-left: 0;
    }

    .case-study-development__grid li:nth-child(odd) {
        padding-right: 0;
    }

    .site-footer__inner {
        align-items: flex-start;
        flex-direction: column;
    }
}
/* MASH WEB STUDIO — RESPONSIVE IMAGE + NAVIGATION REPAIR */
.site-header { isolation:isolate; }
.nav__menu-button { flex:0 0 auto; position:relative; z-index:120; min-width:44px; min-height:44px; align-items:center; justify-content:center; }
.mobile-menu { z-index:110; }
.hero-frame--main img,
.work-card__image img { object-fit:contain !important; object-position:center; background:#f0f0ea; }
.hero-frame--main { min-height:0; aspect-ratio:16/10; }
.work-card__image { height:auto; aspect-ratio:auto; display:block; background:#f0f0ea; }
.work-card__image img { display:block; width:100%; height:auto !important; max-height:none; }
.work-card__image:hover img { transform:none; }
@media(max-width:800px) {
  .mobile-menu { inset:70px 0 0; height:calc(100dvh - 70px); overflow-y:auto; background:#f5f4ef !important; padding:22px max(24px, var(--gutter)); box-shadow:0 18px 30px rgba(0,0,0,.08); }
  .mobile-menu.is-open { transform:translateX(0); visibility:visible; }
  .mobile-menu nav { width:100%; gap:0; }
  .mobile-menu a { display:flex; align-items:center; min-height:62px; font-size:clamp(22px,6vw,30px); line-height:1.2; }
  .hero-frame--main { aspect-ratio:4/3; min-height:0; }
  .work-card__image { aspect-ratio:auto; }
}
@media(min-width:801px) {
  .mobile-menu { display:none !important; }
}