/* ================================================================
   KARTIK SANKAR / KICKASS DESIGN
   Global design system and responsive styles
   ================================================================ */

/* ------------------------------
   Design tokens
   ------------------------------ */

:root {
    --color-black: #000000;
    --color-slate: #202020;
    --color-white: #FFFFFF;
    --color-section: #F2F2F2;
    --color-warm: #E7E4D9;
    --color-secondary: #A5A1A0;
    --color-cta: #79A24A;
    --color-text-muted: rgba(0, 0, 0, 0.68);
    --color-border: rgba(0, 0, 0, 0.14);
    --color-border-dark: rgba(255, 255, 255, 0.18);
    --font-display: "Helvetica Neue", "Avenir Next", Avenir, "Segoe UI", Arial, sans-serif;
    --font-body: "Helvetica Neue", "Segoe UI", Arial, sans-serif;
    --header-height: 5rem;
    --container-width: 76rem;
    --content-width: 48rem;
    --radius-small: 0.35rem;
    --radius-medium: 0.75rem;
    --shadow-soft: 0 1.5rem 4rem rgba(0, 0, 0, 0.09);
    --transition-fast: 180ms ease;
    --transition-standard: 260ms cubic-bezier(0.22, 1, 0.36, 1);
}

/* ------------------------------
   Reset and base elements
   ------------------------------ */

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 1.5rem);
}

body {
    min-width: 20rem;
    margin: 0;
    overflow-x: hidden;
    background: var(--color-white);
    color: var(--color-black);
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.65;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
}

body.nav-open {
    overflow: hidden;
}

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

a {
    color: inherit;
    text-decoration-thickness: 0.08em;
    text-underline-offset: 0.2em;
}

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

button {
    cursor: pointer;
}

h1,
h2,
h3,
p,
ul,
ol,
blockquote,
figure {
    margin-top: 0;
}

h1,
h2,
h3 {
    font-family: var(--font-display);
    font-weight: 650;
    letter-spacing: -0.035em;
    line-height: 1.08;
}

h1 {
    max-width: 13ch;
    margin-bottom: 1.5rem;
    font-size: clamp(2.55rem, 5.3vw, 3.85rem);
}

h2 {
    max-width: 17ch;
    margin-bottom: 1.25rem;
    font-size: clamp(2rem, 3.6vw, 3.15rem);
}

h3 {
    margin-bottom: 0.75rem;
    font-size: clamp(1.3rem, 2vw, 1.75rem);
}

p {
    margin-bottom: 1.25rem;
}

::selection {
    background: var(--color-warm);
    color: var(--color-black);
}

:focus-visible {
    outline: 0.2rem solid var(--color-cta);
    outline-offset: 0.22rem;
}

/* ------------------------------
   Accessibility helpers
   ------------------------------ */

.skip-link {
    position: fixed;
    top: 0.75rem;
    left: 0.75rem;
    z-index: 2000;
    padding: 0.7rem 1rem;
    transform: translateY(-160%);
    background: var(--color-white);
    color: var(--color-black);
    font-weight: 700;
    transition: transform var(--transition-fast);
}

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

.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;
}

/* ------------------------------
   Shared layout utilities
   ------------------------------ */

.container {
    width: min(calc(100% - 3rem), var(--container-width));
    margin-inline: auto;
}

.narrow {
    width: min(100%, var(--content-width));
}

.site-main {
    padding-top: var(--header-height);
}

.section {
    padding-block: clamp(4.5rem, 9vw, 8rem);
}

.section--grey {
    background: var(--color-section);
}

.section--warm {
    background: var(--color-warm);
}

.section--black {
    background: var(--color-black);
    color: var(--color-white);
}

.section--slate {
    background: var(--color-slate);
    color: var(--color-white);
}

.section-label {
    display: inline-flex;
    align-items: center;
    gap: 0.65rem;
    margin-bottom: 1.2rem;
    font-size: 0.78rem;
    font-weight: 750;
    letter-spacing: 0.12em;
    line-height: 1.3;
    text-transform: uppercase;
}

.section-label::before {
    width: 1.8rem;
    height: 0.12rem;
    background: var(--color-cta);
    content: "";
}

.section-heading {
    max-width: 46rem;
    margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-heading p {
    max-width: 45rem;
    margin-bottom: 0;
    color: var(--color-text-muted);
    font-size: clamp(1.05rem, 1.6vw, 1.25rem);
}

.section--black .section-heading p {
    color: rgba(255, 255, 255, 0.72);
}

.eyebrow {
    margin-bottom: 1.1rem;
    color: var(--color-text-muted);
    font-size: 0.8rem;
    font-weight: 750;
    letter-spacing: 0.12em;
    line-height: 1.4;
    text-transform: uppercase;
}

.lead {
    max-width: 42rem;
    color: var(--color-text-muted);
    font-size: clamp(1.08rem, 1.7vw, 1.35rem);
    line-height: 1.55;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.55rem;
    border-bottom: 0.1rem solid currentColor;
    font-weight: 700;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

/* ------------------------------
   Buttons
   ------------------------------ */

.button-group {
    display: flex;
    flex-wrap: wrap;
    gap: 0.8rem;
    margin-top: 2rem;
}

.button {
    display: inline-flex;
    min-height: 3rem;
    align-items: center;
    justify-content: center;
    padding: 0.8rem 1.2rem;
    border: 0.1rem solid transparent;
    border-radius: var(--radius-small);
    font-size: 0.93rem;
    font-weight: 750;
    line-height: 1.2;
    text-align: center;
    text-decoration: none;
    transition: background-color var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.button:hover {
    transform: translateY(-0.12rem);
}

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

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

.section--black .button--primary:hover {
    background: var(--color-white);
    color: var(--color-black);
}

.site-header .button--primary:hover {
    background: var(--color-white);
    color: var(--color-black);
}

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

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

.button--outline {
    border-color: var(--color-black);
    background: transparent;
    color: var(--color-black);
}

.button--outline:hover {
    background: var(--color-black);
    color: var(--color-white);
}

/* ------------------------------
   Smart scrolling header
   ------------------------------ */

.site-header {
    position: fixed;
    top: 0;
    right: 0;
    left: 0;
    z-index: 1000;
    height: var(--header-height);
    border-bottom: 0.06rem solid var(--color-border-dark);
    background: var(--color-black);
    color: var(--color-white);
    transform: translateY(0);
    transition: transform var(--transition-standard), box-shadow var(--transition-fast);
}

.site-header.header-hidden {
    transform: translateY(calc(-100% - 0.1rem));
}

.site-header.header-scrolled {
    box-shadow: 0 0.6rem 1.8rem rgba(0, 0, 0, 0.16);
}

.header-inner {
    display: flex;
    height: 100%;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
}

.brand-link {
    display: inline-flex;
    flex: 0 0 auto;
    align-items: center;
}

.brand-link img {
    width: clamp(10.5rem, 18vw, 13rem);
    height: auto;
}

.main-nav {
    display: flex;
    align-items: center;
    gap: clamp(1rem, 2vw, 1.75rem);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: clamp(0.8rem, 1.7vw, 1.4rem);
}

.nav-links a {
    position: relative;
    padding-block: 0.35rem;
    color: rgba(255, 255, 255, 0.78);
    font-size: 0.86rem;
    font-weight: 650;
    text-decoration: none;
    transition: color var(--transition-fast);
}

.nav-links a::after {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    height: 0.1rem;
    transform: scaleX(0);
    transform-origin: right;
    background: var(--color-cta);
    content: "";
    transition: transform var(--transition-fast);
}

.nav-links a:hover,
.nav-links a[aria-current="page"] {
    color: var(--color-white);
}

.nav-links a:hover::after,
.nav-links a[aria-current="page"]::after {
    transform: scaleX(1);
    transform-origin: left;
}

.header-cta {
    min-height: 2.55rem;
    padding: 0.68rem 0.95rem;
    font-size: 0.82rem;
}

.menu-toggle {
    display: none;
    width: 2.75rem;
    height: 2.75rem;
    padding: 0.68rem;
    border: 0;
    background: transparent;
    color: var(--color-white);
}

.menu-toggle span {
    display: block;
    width: 100%;
    height: 0.1rem;
    margin-block: 0.3rem;
    background: currentColor;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.menu-toggle[aria-expanded="true"] span:nth-child(1) {
    transform: translateY(0.4rem) rotate(45deg);
}

.menu-toggle[aria-expanded="true"] span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] span:nth-child(3) {
    transform: translateY(-0.4rem) rotate(-45deg);
}

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

.hero {
    position: relative;
    overflow: hidden;
}

.hero--home {
    display: grid;
    min-height: calc(100svh - var(--header-height));
    align-items: stretch;
    grid-template-columns: minmax(0, 1.08fr) minmax(20rem, 0.92fr);
}

.hero-copy {
    display: flex;
    align-items: center;
    padding: clamp(4rem, 7vw, 7rem) max(2rem, calc((100vw - var(--container-width)) / 2));
}

.hero-copy-inner {
    max-width: 44rem;
}

.hero-copy .lead {
    max-width: 39rem;
}

.hero-media {
    position: relative;
    min-height: 35rem;
    overflow: hidden;
    background: var(--color-white);
}

/* .hero-media::after {
    position: absolute;
    right: clamp(1.5rem, 5vw, 4rem);
    bottom: clamp(1.5rem, 5vw, 4rem);
    width: clamp(4rem, 8vw, 7rem);
    height: clamp(4rem, 8vw, 7rem);
    border: 0.75rem solid var(--color-cta);
    content: "";
} */

.hero-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center top;
    transform: translateY(var(--parallax-offset, 0)) scale(1.00);
    will-change: transform;
}

.hero-note {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-top: 2rem;
    color: var(--color-text-muted);
    font-size: 0.9rem;
    font-weight: 650;
}

.hero-note::before {
    width: 0.55rem;
    height: 0.55rem;
    border-radius: 50%;
    background: var(--color-cta);
    content: "";
}

.page-hero {
    padding-block: clamp(5rem, 10vw, 9rem);
    background: var(--color-section);
}

.page-hero h1 {
    max-width: 17ch;
}

.page-hero .lead {
    max-width: 48rem;
    margin-bottom: 0;
}

.page-hero--split {
    display: grid;
    align-items: center;
    gap: clamp(2.5rem, 6vw, 6rem);
    grid-template-columns: minmax(0, 1.05fr) minmax(18rem, 0.95fr);
}

.page-hero-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 4;
    background: var(--color-warm);
}

.page-hero-media img {
    width: 100%;
    height: 115%;
    object-fit: cover;
}

/* ------------------------------
   Value cards and proof band
   ------------------------------ */

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

.value-card {
    min-height: 15rem;
    padding: clamp(1.6rem, 3vw, 2.5rem);
    border-top: 0.22rem solid var(--color-white);
    background: var(--color-warm);
}

.value-card-number {
    display: block;
    margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
    color: var(--color-cta);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.1em;
}

.value-card p {
    margin-bottom: 0;
    color: var(--color-text-muted);
}

.proof-band {
    display: grid;
    gap: 1px;
    background: var(--color-border-dark);
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.proof-item {
    padding: 1.8rem;
    background: var(--color-black);
}

.proof-item strong {
    display: block;
    margin-bottom: 0.25rem;
    color: var(--color-white);
    font-family: var(--font-display);
    font-size: 1.1rem;
}

.proof-item span {
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.88rem;
}

/* ------------------------------
   How it works
   ------------------------------ */

.steps-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.step-card {
    position: relative;
    padding: 2rem;
    border: 0.06rem solid var(--color-border);
    background: var(--color-white);
}

.step-number {
    display: inline-flex;
    width: 2.6rem;
    height: 2.6rem;
    align-items: center;
    justify-content: center;
    margin-bottom: 3.5rem;
    border-radius: 50%;
    background: var(--color-black);
    color: var(--color-white);
    font-size: 0.85rem;
    font-weight: 800;
}

.step-card p {
    margin-bottom: 0;
    color: var(--color-text-muted);
}

/* ------------------------------
   Work and case-study cards
   ------------------------------ */

.work-grid {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

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

.work-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    overflow: hidden;
    border: 0.06rem solid var(--color-border);
    background: var(--color-white);
}

.work-card-media {
    overflow: hidden;
    aspect-ratio: 8 / 5;
    background: var(--color-warm);
}

.work-card-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

.work-card:hover .work-card-media img {
    transform: scale(1.035);
}

.work-card-body {
    display: flex;
    flex: 1;
    flex-direction: column;
    padding: clamp(1.4rem, 2.7vw, 2rem);
}

.work-card-kicker {
    margin-bottom: 0.7rem;
    color: var(--color-cta);
    font-size: 0.76rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.work-card p {
    color: var(--color-text-muted);
}

.work-card .text-link {
    margin-top: auto;
    align-self: flex-start;
}

.case-detail {
    display: grid;
    gap: 1.25rem;
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.case-detail div {
    padding-top: 1.15rem;
    border-top: 0.06rem solid var(--color-border);
}

.case-detail strong {
    display: block;
    margin-bottom: 0.35rem;
    font-size: 0.82rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.case-detail p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

/* ------------------------------
   Industry tags and capabilities
   ------------------------------ */

.tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: 0.7rem;
    padding: 0;
    margin: 0;
    list-style: none;
}

.tag-list li {
    padding: 0.68rem 0.95rem;
    border: 0.06rem solid var(--color-border);
    border-radius: 999px;
    background: var(--color-white);
    font-size: 0.88rem;
    font-weight: 700;
}

.section--black .tag-list li {
    border-color: var(--color-border-dark);
    background: transparent;
    color: rgba(255, 255, 255, 0.8);
}

.capability-grid {
    display: grid;
    gap: 0;
    border-top: 0.06rem solid var(--color-border);
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.capability-item {
    padding: 1.4rem 0;
    border-bottom: 0.06rem solid var(--color-border);
    font-size: clamp(1.05rem, 1.8vw, 1.3rem);
    font-weight: 650;
}

.capability-item:nth-child(odd) {
    padding-right: 2rem;
}

.capability-item:nth-child(even) {
    padding-left: 2rem;
    border-left: 0.06rem solid var(--color-border);
}

/* ------------------------------
   Two-column editorial layouts
   ------------------------------ */

.editorial-grid {
    display: grid;
    align-items: start;
    gap: clamp(2.5rem, 7vw, 7rem);
    grid-template-columns: minmax(16rem, 0.72fr) minmax(0, 1.28fr);
}

.editorial-aside {
    position: sticky;
    top: calc(var(--header-height) + 2rem);
}

.editorial-body {
    max-width: 45rem;
}

.editorial-body > :last-child {
    margin-bottom: 0;
}

.pull-quote {
    padding: clamp(2rem, 4vw, 3.5rem);
    margin: 3rem 0 0;
    border-left: 0.35rem solid var(--color-cta);
    background: var(--color-warm);
    font-family: var(--font-display);
    font-size: clamp(1.35rem, 2.6vw, 2.1rem);
    font-weight: 600;
    letter-spacing: -0.025em;
    line-height: 1.35;
}

.timeline {
    display: grid;
    gap: 1px;
    background: var(--color-border);
    grid-template-columns: repeat(3, minmax(0, 1fr));
}

.timeline-item {
    padding: 2rem;
    background: var(--color-white);
}

.timeline-year {
    display: block;
    margin-bottom: 2.5rem;
    color: var(--color-cta);
    font-size: 0.82rem;
    font-weight: 800;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.timeline-item p {
    margin-bottom: 0;
    color: var(--color-text-muted);
}

/* ------------------------------
   Service page panels
   ------------------------------ */

.service-list {
    display: grid;
    gap: 0;
    padding: 0;
    margin: 0;
    list-style: none;
}

.service-list li {
    display: grid;
    padding: 1.25rem 0;
    border-bottom: 0.06rem solid var(--color-border);
    gap: 1rem;
    grid-template-columns: 2.5rem 1fr;
}

.service-list li::before {
    color: var(--color-cta);
    content: "✓";
    font-weight: 900;
}

.split-panel {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.info-panel {
    padding: clamp(1.75rem, 4vw, 3rem);
    background: var(--color-warm);
}

.info-panel--dark {
    background: var(--color-black);
    color: var(--color-white);
}

.info-panel p:last-child {
    margin-bottom: 0;
}

.info-panel--dark p {
    color: rgba(255, 255, 255, 0.72);
}

.process-list {
    padding: 0;
    margin: 0;
    counter-reset: process;
    list-style: none;
}

.process-list li {
    display: grid;
    padding: 1.4rem 0;
    border-bottom: 0.06rem solid var(--color-border);
    gap: 1.25rem;
    grid-template-columns: 3rem 1fr;
}

.process-list li::before {
    color: var(--color-cta);
    content: "0" counter(process);
    counter-increment: process;
    font-size: 0.78rem;
    font-weight: 800;
    letter-spacing: 0.08em;
}

.process-list strong {
    display: block;
    margin-bottom: 0.25rem;
}

.process-list span {
    color: var(--color-text-muted);
}

/* ------------------------------
   FAQ accordion
   ------------------------------ */

.faq-list {
    border-top: 0.06rem solid var(--color-border);
}

.faq-item {
    border-bottom: 0.06rem solid var(--color-border);
}

.faq-question {
    display: grid;
    width: 100%;
    padding: 1.4rem 0;
    border: 0;
    background: transparent;
    color: var(--color-black);
    gap: 1.5rem;
    grid-template-columns: 1fr 2rem;
    font-weight: 750;
    text-align: left;
}

.faq-icon {
    position: relative;
    width: 1.5rem;
    height: 1.5rem;
}

.faq-icon::before,
.faq-icon::after {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0.95rem;
    height: 0.1rem;
    transform: translate(-50%, -50%);
    background: var(--color-black);
    content: "";
    transition: transform var(--transition-fast);
}

.faq-icon::after {
    transform: translate(-50%, -50%) rotate(90deg);
}

.faq-question[aria-expanded="true"] .faq-icon::after {
    transform: translate(-50%, -50%) rotate(0deg);
}

.faq-answer {
    display: grid;
    grid-template-rows: 0fr;
    transition: grid-template-rows var(--transition-standard);
}

.faq-answer > div {
    overflow: hidden;
}

.faq-answer p {
    max-width: 48rem;
    padding-bottom: 1.4rem;
    margin-bottom: 0;
    color: var(--color-text-muted);
}

.faq-question[aria-expanded="true"] + .faq-answer {
    grid-template-rows: 1fr;
}

/* ------------------------------
   Contact form
   ------------------------------ */

.contact-layout {
    display: grid;
    align-items: start;
    gap: clamp(2.5rem, 7vw, 7rem);
    grid-template-columns: minmax(16rem, 0.72fr) minmax(0, 1.28fr);
}

.contact-card {
    padding: clamp(1.75rem, 4vw, 3rem);
    background: var(--color-warm);
}

.contact-card a {
    font-weight: 700;
}

.contact-form {
    display: grid;
    gap: 1.2rem;
}

.form-row {
    display: grid;
    gap: 1.2rem;
    grid-template-columns: repeat(2, minmax(0, 1fr));
}

.form-field {
    display: grid;
    gap: 0.45rem;
}

.form-field label {
    font-size: 0.9rem;
    font-weight: 700;
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    border: 0.06rem solid var(--color-border);
    border-radius: var(--radius-small);
    background: var(--color-white);
    color: var(--color-black);
}

.form-field input,
.form-field select {
    min-height: 3.25rem;
    padding: 0.75rem 0.9rem;
}

.form-field textarea {
    min-height: 10rem;
    padding: 0.9rem;
    resize: vertical;
}

.form-note,
.form-status {
    margin-bottom: 0;
    color: var(--color-text-muted);
    font-size: 0.84rem;
}

.form-status {
    min-height: 1.4rem;
    color: var(--color-black);
    font-weight: 650;
}

/* ------------------------------
   Final call to action
   ------------------------------ */

.final-cta {
    display: grid;
    align-items: end;
    gap: 2rem;
    grid-template-columns: minmax(0, 1.25fr) auto;
}

.final-cta h2 {
    max-width: 15ch;
    margin-bottom: 1rem;
}

.final-cta p {
    max-width: 43rem;
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.7);
}

/* ------------------------------
   Footer
   ------------------------------ */

.site-footer {
    padding-block: 3rem 2rem;
    border-top: 0.06rem solid var(--color-border-dark);
    background: var(--color-black);
    color: var(--color-white);
}

.footer-main {
    display: grid;
    align-items: end;
    gap: 2rem;
    grid-template-columns: 1fr auto;
}

.footer-brand img {
    width: min(13rem, 70vw);
    height: auto;
    margin-bottom: 1.2rem;
}

.footer-brand p {
    max-width: 32rem;
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 1.25rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.88rem;
    font-weight: 650;
    text-decoration: none;
}

.footer-links a:hover {
    color: var(--color-cta);
}

.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding-top: 2rem;
    margin-top: 2.5rem;
    border-top: 0.06rem solid var(--color-border-dark);
    color: rgba(255, 255, 255, 0.48);
    font-size: 0.8rem;
}

/* ------------------------------
   Progressive reveal motion
   ------------------------------ */

.js [data-reveal] {
    opacity: 0;
    transform: translateY(1.25rem);
    transition: opacity 600ms ease, transform 600ms cubic-bezier(0.22, 1, 0.36, 1);
}

.js [data-reveal].is-visible {
    opacity: 1;
    transform: translateY(0);
}

/* ------------------------------
   Selected clients
   ------------------------------ */

.clients-section {
    background: var(--color-white);
}

.client-logo-grid {
    display: grid;
    padding: 0;
    margin: 0;
    border-top: 0.06rem solid rgba(0, 0, 0, 0.14);
    border-left: 0.06rem solid rgba(0, 0, 0, 0.14);
    grid-template-columns: repeat(4, minmax(0, 1fr));
    list-style: none;
}

.client-logo-item {
    display: flex;
    min-width: 0;
    min-height: 9rem;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    border-right: 0.06rem solid rgba(0, 0, 0, 0.14);
    border-bottom: 0.06rem solid rgba(0, 0, 0, 0.14);
    background: var(--color-white);
}

.client-logo-item img {
    width: auto;
    max-width: 100%;
    height: auto;
    max-height: 3.75rem;
    object-fit: contain;
    opacity: 1.0;
    transition: opacity var(--transition-fast), transform var(--transition-fast);
}

.client-logo-item:hover img {
    opacity: 1;
    transform: scale(1.04);
}

/* ------------------------------
   Selected clients: tablet
   ------------------------------ */

@media (max-width: 56rem) {
    .client-logo-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
    }

    .client-logo-item {
        min-height: 8rem;
        padding: 1.5rem;
    }
}

/* ------------------------------
   Selected clients: mobile
   ------------------------------ */

@media (max-width: 42rem) {
    .client-logo-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }

    .client-logo-item {
        min-height: 7rem;
        padding: 1.25rem;
    }

    .client-logo-item img {
        max-height: 3rem;
    }
}

/* ================================================================
   Responsive breakpoints
   ================================================================ */

/* ------------------------------
   Tablet and compact desktop
   ------------------------------ */

@media (max-width: 68rem) {
    .hero--home {
        grid-template-columns: minmax(0, 1fr) minmax(19rem, 0.8fr);
    }

    .hero-copy {
        padding-right: 2rem;
        padding-left: 2rem;
    }

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

    .work-grid .work-card:last-child:nth-child(odd) {
        grid-column: 1 / -1;
    }
}

/* ------------------------------
   Navigation collapse and tablet
   ------------------------------ */

@media (max-width: 56rem) {
    :root {
        --header-height: 4.5rem;
    }

    .container {
        width: min(calc(100% - 2rem), var(--container-width));
    }

    .menu-toggle {
        display: block;
    }

    .main-nav {
        margin-left: auto;
    }

    .nav-links {
        position: fixed;
        top: var(--header-height);
        right: 0;
        left: 0;
        display: grid;
        max-height: 0;
        padding: 0 1rem;
        overflow: hidden;
        background: var(--color-black);
        opacity: 0;
        pointer-events: none;
        transition: max-height var(--transition-standard), opacity var(--transition-fast), padding var(--transition-standard);
    }

    .nav-links.is-open {
        max-height: calc(100svh - var(--header-height));
        padding-top: 1rem;
        padding-bottom: 2rem;
        overflow-y: auto;
        opacity: 1;
        pointer-events: auto;
    }

    .nav-links a {
        padding: 0.9rem 0;
        border-bottom: 0.06rem solid var(--color-border-dark);
        font-size: 1.05rem;
    }

    .nav-links a::after {
        display: none;
    }

    .hero--home {
        min-height: auto;
        grid-template-columns: 1fr;
    }

    .hero-copy {
        min-height: 38rem;
        padding: 5rem 1rem;
    }

    .hero-media {
        min-height: 34rem;
        aspect-ratio: 4 / 5;
    }

    .page-hero--split,
    .editorial-grid,
    .contact-layout {
        grid-template-columns: 1fr;
    }

    .editorial-aside {
        position: static;
    }

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

    .steps-grid {
        grid-template-columns: 1fr;
    }

    .step-number {
        margin-bottom: 2.25rem;
    }

    .timeline {
        grid-template-columns: 1fr;
    }

    .timeline-year {
        margin-bottom: 1.2rem;
    }

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

/* ------------------------------
   Mobile
   ------------------------------ */

@media (max-width: 42rem) {
    h1 {
        font-size: clamp(2.35rem, 12vw, 3.25rem);
    }

    h2 {
        font-size: clamp(1.9rem, 9vw, 2.65rem);
    }

    .section {
        padding-block: 4.5rem;
    }

    .header-inner {
        gap: 0.55rem;
    }

    .brand-link img {
        width: 9.4rem;
    }

    .main-nav {
        gap: 0.35rem;
    }

    .header-cta {
        min-height: 2.35rem;
        padding: 0.62rem 0.72rem;
        font-size: 0.75rem;
    }

    .hero-copy {
        min-height: auto;
        padding-block: 4.5rem;
    }

    .hero-media {
        min-height: 28rem;
    }

    .page-hero {
        padding-block: 4.5rem;
    }

    .value-grid,
    .work-grid,
    .work-grid--two,
    .split-panel,
    .capability-grid,
    .form-row,
    .final-cta,
    .footer-main {
        grid-template-columns: 1fr;
    }

    .work-grid .work-card:last-child:nth-child(odd) {
        grid-column: auto;
    }

    .capability-item:nth-child(odd),
    .capability-item:nth-child(even) {
        padding-right: 0;
        padding-left: 0;
        border-left: 0;
    }

    .button-group {
        align-items: stretch;
        flex-direction: column;
    }

    .button-group .button {
        width: 100%;
    }

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

    .footer-links {
        justify-content: flex-start;
    }

    .footer-bottom {
        align-items: flex-start;
        flex-direction: column;
    }
}

/* ------------------------------
   Very small screens
   ------------------------------ */

@media (max-width: 24rem) {
    .brand-link img {
        width: 8rem;
    }

    .header-cta {
        display: none;
    }
}

/* ------------------------------
   Reduced motion preferences
   ------------------------------ */

@media (prefers-reduced-motion: reduce) {
    html {
        scroll-behavior: auto;
    }

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

    .hero-media img {
        transform: none !important;
    }

    .js [data-reveal] {
        opacity: 1;
        transform: none;
    }
}

/* ------------------------------
   Print
   ------------------------------ */

@media print {
    .site-header,
    .site-footer,
    .button-group,
    .final-cta {
        display: none !important;
    }

    .site-main {
        padding-top: 0;
    }

    body {
        color: var(--color-black);
        background: var(--color-white);
    }
}