:root {
    --navy-950: #000f1d;
    --navy-900: #001d3a;
    --navy-850: #002448;
    --navy-800: #002b55;
    --navy-700: #064d77;
    --blue-600: #0a78b2;
    --cyan-500: #25a6df;
    --cyan-400: #47c2ef;
    --sky-300: #8be7ff;
    --ink: #071a2c;
    --ink-soft: #183247;
    --muted: #53697c;
    --muted-light: #91a9bb;
    --paper: #f4f7fa;
    --paper-2: #eef3f7;
    --white: #ffffff;
    --line: #d8e1e9;
    --line-dark: rgba(139, 231, 255, 0.18);
    --success: #087c59;
    --error: #a32828;
    --header-height: 88px;
    --container: 1240px;
    --container-wide: 1440px;
    --shadow-sm: 0 10px 30px rgba(4, 31, 54, 0.08);
    --shadow-lg: 0 28px 70px rgba(0, 21, 40, 0.18);
    --radius-sm: 8px;
    --radius-md: 16px;
    --radius-lg: 28px;
    --transition: 220ms ease;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: calc(var(--header-height) + 20px);
}

body {
    margin: 0;
    min-width: 320px;
    color: var(--ink);
    background: var(--white);
    font-family: Aptos, "Segoe UI", Inter, Helvetica, Arial, sans-serif;
    font-size: 17px;
    line-height: 1.62;
    -webkit-font-smoothing: antialiased;
    text-rendering: optimizeLegibility;
}

body.nav-open {
    overflow: hidden;
}

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

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

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

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

a:hover {
    text-decoration: none;
}

p,
h1,
h2,
h3,
h4,
ul,
ol,
dl,
dd {
    margin-top: 0;
}

h1,
h2,
h3,
h4 {
    color: inherit;
    font-weight: 640;
    letter-spacing: -0.035em;
    line-height: 1.04;
}

h1 {
    font-size: clamp(3.4rem, 7vw, 7.1rem);
}

h2 {
    font-size: clamp(2.35rem, 4.2vw, 4.7rem);
}

h3 {
    font-size: clamp(1.35rem, 2vw, 2rem);
}

::selection {
    color: var(--navy-950);
    background: var(--sky-300);
}

:focus-visible {
    outline: 3px solid var(--cyan-400);
    outline-offset: 4px;
}

.skip-link {
    position: fixed;
    top: 12px;
    left: 12px;
    z-index: 9999;
    transform: translateY(-160%);
    padding: 10px 16px;
    color: var(--white);
    background: var(--navy-900);
    border-radius: 4px;
    transition: transform var(--transition);
}

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

.container {
    width: min(calc(100% - 48px), var(--container));
    margin-inline: auto;
}

.container--wide {
    width: min(calc(100% - 64px), var(--container-wide));
}

.container--narrow {
    width: min(calc(100% - 48px), 820px);
}

.section {
    position: relative;
    padding: clamp(90px, 10vw, 150px) 0;
}

.section--dark {
    color: var(--white);
    background: var(--navy-900);
}

.eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 22px;
    color: var(--blue-600);
    font-size: 0.74rem;
    font-weight: 760;
    letter-spacing: 0.16em;
    line-height: 1.3;
    text-transform: uppercase;
}

.eyebrow::before {
    width: 28px;
    height: 2px;
    content: "";
    background: currentColor;
}

.eyebrow--light {
    color: var(--sky-300);
}

.eyebrow--dark {
    color: var(--navy-800);
}

.button {
    display: inline-flex;
    min-height: 54px;
    align-items: center;
    justify-content: center;
    gap: 13px;
    padding: 14px 22px;
    border: 1px solid transparent;
    border-radius: 3px;
    font-size: 0.94rem;
    font-weight: 720;
    letter-spacing: -0.01em;
    line-height: 1;
    transition: color var(--transition), background var(--transition), border-color var(--transition), transform var(--transition);
}

.button svg,
.text-link svg,
.card-link svg,
.header-cta svg,
.footer-social svg,
.platform-card a svg {
    width: 20px;
    height: 20px;
    flex: 0 0 auto;
    transition: transform var(--transition);
}

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

.button:hover svg,
.text-link:hover svg,
.card-link:hover svg,
.header-cta:hover svg,
.platform-card a:hover svg {
    transform: translateX(4px);
}

.button--primary {
    color: var(--navy-950);
    background: var(--sky-300);
}

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

.button--dark {
    color: var(--white);
    background: var(--navy-900);
}

.button--dark:hover {
    background: var(--blue-600);
}

.button--light {
    color: var(--navy-950);
    background: var(--white);
}

.button--light:hover {
    background: var(--sky-300);
}

.button--ghost {
    color: var(--white);
    background: rgba(255, 255, 255, 0.04);
    border-color: rgba(255, 255, 255, 0.42);
}

.button--ghost:hover {
    color: var(--navy-950);
    background: var(--white);
    border-color: var(--white);
}

.button--outline {
    color: var(--navy-900);
    background: transparent;
    border-color: var(--navy-900);
}

.button--outline:hover {
    color: var(--white);
    background: var(--navy-900);
}

.button--compact {
    min-height: 46px;
    padding: 12px 17px;
    font-size: 0.86rem;
}

.text-link,
.card-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--navy-800);
    font-size: 0.9rem;
    font-weight: 740;
    line-height: 1.2;
}

.text-link {
    padding-bottom: 5px;
    border-bottom: 1px solid var(--cyan-500);
}

.card-link {
    margin-top: auto;
    color: var(--blue-600);
}

/* Header and navigation */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    height: var(--header-height);
    background: rgba(255, 255, 255, 0.98);
    border-bottom: 1px solid rgba(7, 26, 44, 0.1);
    transition: box-shadow var(--transition), height var(--transition);
}

.site-header.is-scrolled {
    box-shadow: 0 10px 34px rgba(0, 24, 45, 0.1);
}

.site-header__inner {
    display: grid;
    height: 100%;
    align-items: center;
    grid-template-columns: minmax(210px, 0.8fr) auto auto;
    gap: 26px;
}

.brand {
    display: inline-flex;
    width: min(260px, 100%);
    align-items: center;
}

.brand img {
    width: 232px;
    height: auto;
}

.primary-nav {
    align-self: stretch;
}

.primary-nav__list {
    display: flex;
    height: 100%;
    align-items: stretch;
    gap: 2px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.primary-nav__item {
    display: flex;
    align-items: center;
}

.primary-nav__row {
    display: flex;
    height: 100%;
    align-items: center;
}

.primary-nav__link {
    position: relative;
    display: flex;
    height: 100%;
    align-items: center;
    padding: 0 14px;
    color: var(--ink-soft);
    font-size: 0.83rem;
    font-weight: 710;
    letter-spacing: 0.025em;
}

.primary-nav__link::after {
    position: absolute;
    right: 14px;
    bottom: 0;
    left: 14px;
    height: 3px;
    content: "";
    background: var(--cyan-500);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition);
}

.primary-nav__item:hover > .primary-nav__row .primary-nav__link::after,
.primary-nav__item:hover > .primary-nav__link::after,
.primary-nav__item.is-active .primary-nav__link::after {
    transform: scaleX(1);
}

.primary-nav__submenu-toggle {
    display: none;
}

.header-cta {
    display: inline-flex;
    min-height: 46px;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 11px 17px;
    color: var(--white);
    background: var(--navy-900);
    border-radius: 3px;
    font-size: 0.83rem;
    font-weight: 730;
}

.header-cta:hover,
.header-cta.is-active {
    background: var(--blue-600);
}

.nav-toggle {
    display: none;
}

.mega-menu {
    position: fixed;
    top: var(--header-height);
    right: 0;
    left: 0;
    display: grid;
    visibility: hidden;
    width: 100%;
    max-height: calc(100vh - var(--header-height));
    overflow-y: auto;
    grid-template-columns: minmax(280px, 0.75fr) minmax(560px, 1.75fr);
    gap: clamp(42px, 7vw, 110px);
    padding: 58px max(32px, calc((100vw - var(--container-wide)) / 2 + 32px)) 62px;
    color: var(--ink);
    background: var(--white);
    border-top: 1px solid var(--line);
    box-shadow: 0 34px 55px rgba(0, 24, 45, 0.18);
    opacity: 0;
    transform: translateY(-14px);
    transition: opacity 180ms ease, transform 180ms ease, visibility 180ms ease;
}

.primary-nav__item--mega:hover .mega-menu,
.primary-nav__item--mega:focus-within .mega-menu {
    visibility: visible;
    opacity: 1;
    transform: translateY(0);
}

.mega-menu__intro h2 {
    max-width: 560px;
    margin-bottom: 22px;
    font-size: clamp(2rem, 3vw, 3.5rem);
}

.mega-menu__intro p {
    max-width: 520px;
    margin-bottom: 28px;
    color: var(--muted);
}

.mega-menu__services {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.mega-service {
    display: flex;
    min-height: 198px;
    flex-direction: column;
    gap: 10px;
    padding: 28px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    transition: color var(--transition), background var(--transition);
}

.mega-service:hover {
    color: var(--white);
    background: var(--navy-800);
}

.mega-service__title {
    font-size: 1.35rem;
    font-weight: 680;
    letter-spacing: -0.025em;
    line-height: 1.1;
}

.mega-service__summary {
    color: var(--muted);
    font-size: 0.86rem;
    line-height: 1.5;
}

.mega-service__meta {
    margin-top: auto;
    color: var(--blue-600);
    font-size: 0.72rem;
    font-weight: 710;
    letter-spacing: 0.02em;
    line-height: 1.45;
}

.mega-service:hover .mega-service__summary,
.mega-service:hover .mega-service__meta {
    color: rgba(255, 255, 255, 0.76);
}

/* Home hero */
.hero {
    position: relative;
    overflow: hidden;
    color: var(--white);
    background: var(--navy-950);
}

.hero__visual {
    position: absolute;
    inset: 0;
    background-image: url("../img/hero-aiops.svg");
    background-position: center;
    background-size: cover;
}

.hero::after {
    position: absolute;
    inset: 0;
    content: "";
    background: linear-gradient(90deg, rgba(0, 15, 29, 0.97) 0%, rgba(0, 24, 46, 0.88) 42%, rgba(0, 29, 58, 0.34) 72%, rgba(0, 29, 58, 0.06) 100%);
}

.hero__inner {
    position: relative;
    z-index: 2;
    display: grid;
    min-height: clamp(680px, calc(100svh - var(--header-height)), 920px);
    align-items: center;
    grid-template-columns: minmax(0, 1.24fr) minmax(320px, 0.76fr);
    gap: clamp(30px, 6vw, 100px);
    padding-block: 96px 84px;
}

.hero__content {
    max-width: 850px;
}

.hero h1 {
    max-width: 920px;
    margin-bottom: 32px;
    text-wrap: balance;
}

.hero__summary {
    max-width: 760px;
    margin-bottom: 38px;
    color: rgba(255, 255, 255, 0.78);
    font-size: clamp(1.08rem, 1.6vw, 1.35rem);
    line-height: 1.55;
}

.hero__actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.hero__proof {
    display: flex;
    flex-wrap: wrap;
    gap: 18px 30px;
    margin-top: 52px;
    color: rgba(255, 255, 255, 0.67);
    font-size: 0.78rem;
    font-weight: 680;
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

.hero__proof span {
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.hero__proof span::before {
    width: 7px;
    height: 7px;
    content: "";
    background: var(--cyan-400);
    border-radius: 50%;
    box-shadow: 0 0 18px rgba(71, 194, 239, 0.9);
}

.hero__signal {
    align-self: end;
    justify-self: end;
    width: min(100%, 440px);
    margin-bottom: 40px;
}

.signal-card {
    border: 1px solid rgba(139, 231, 255, 0.22);
    backdrop-filter: blur(14px);
}

.signal-card--primary {
    padding: 26px 28px;
    background: rgba(0, 20, 38, 0.68);
    box-shadow: var(--shadow-lg);
}

.signal-card__label {
    display: block;
    margin-bottom: 8px;
    color: var(--sky-300);
    font-size: 0.68rem;
    font-weight: 750;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.signal-card strong {
    display: block;
    font-size: clamp(1.1rem, 1.9vw, 1.55rem);
    letter-spacing: -0.025em;
}

.signal-card__line {
    position: relative;
    height: 5px;
    margin-top: 24px;
    overflow: hidden;
    background: rgba(255, 255, 255, 0.08);
}

.signal-card__line span {
    position: absolute;
    inset: 0 34% 0 0;
    background: linear-gradient(90deg, var(--cyan-500), var(--sky-300));
    animation: signal-pulse 3.4s ease-in-out infinite;
}

.signal-card--secondary {
    display: inline-flex;
    align-items: center;
    gap: 11px;
    margin-top: 12px;
    margin-left: 42px;
    padding: 13px 17px;
    color: rgba(255, 255, 255, 0.8);
    background: rgba(0, 20, 38, 0.64);
    font-size: 0.76rem;
    font-weight: 660;
}

.signal-dot {
    width: 8px;
    height: 8px;
    background: var(--sky-300);
    border-radius: 50%;
    box-shadow: 0 0 18px rgba(139, 231, 255, 0.92);
}

@keyframes signal-pulse {
    0%, 100% { transform: scaleX(0.72); transform-origin: left; }
    50% { transform: scaleX(1.18); transform-origin: left; }
}

.brand-rail {
    color: var(--white);
    background: var(--navy-800);
    border-top: 1px solid rgba(139, 231, 255, 0.16);
}

.brand-rail__inner {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
}

.brand-rail span {
    display: flex;
    min-height: 92px;
    align-items: center;
    justify-content: center;
    padding: 18px 26px;
    color: rgba(255, 255, 255, 0.72);
    border-right: 1px solid rgba(139, 231, 255, 0.16);
    font-size: 0.82rem;
    font-weight: 720;
    letter-spacing: 0.09em;
    text-align: center;
    text-transform: uppercase;
}

.brand-rail span:first-child {
    border-left: 1px solid rgba(139, 231, 255, 0.16);
}

/* Shared section headings */
.section-heading {
    margin-bottom: clamp(52px, 7vw, 90px);
}

.section-heading--split {
    display: grid;
    align-items: end;
    grid-template-columns: minmax(0, 1.28fr) minmax(300px, 0.72fr);
    gap: clamp(34px, 7vw, 110px);
}

.section-heading h2 {
    max-width: 850px;
    margin-bottom: 0;
}

.section-heading p {
    max-width: 600px;
    margin-bottom: 26px;
    color: var(--muted);
    font-size: 1.04rem;
}

.section-heading--light p {
    color: rgba(255, 255, 255, 0.68);
}

/* Service cards */
.section--services {
    background: var(--white);
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
}

.service-card {
    display: flex;
    min-width: 0;
    flex-direction: column;
    background: var(--paper);
    border: 1px solid var(--line);
    transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
}

.service-card:hover {
    border-color: rgba(10, 120, 178, 0.38);
    box-shadow: var(--shadow-lg);
    transform: translateY(-7px);
}

.service-card__visual {
    position: relative;
    display: block;
    overflow: hidden;
    aspect-ratio: 1.55 / 1;
    background: var(--navy-900);
}

.service-card__visual::after {
    position: absolute;
    inset: 0;
    content: "";
    background: linear-gradient(180deg, transparent 48%, rgba(0, 15, 29, 0.54) 100%);
}

.service-card__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 600ms cubic-bezier(.2,.75,.2,1);
}

.service-card:hover .service-card__visual img {
    transform: scale(1.045);
}

.service-card__number {
    position: absolute;
    z-index: 2;
    right: 20px;
    bottom: 12px;
    color: var(--white);
    font-size: 2.7rem;
    font-weight: 300;
    letter-spacing: -0.08em;
}

.service-card__body {
    display: flex;
    min-height: 460px;
    flex: 1;
    flex-direction: column;
    padding: 30px 30px 34px;
}

.service-card__kicker {
    margin-bottom: 15px;
    color: var(--blue-600);
    font-size: 0.68rem;
    font-weight: 760;
    letter-spacing: 0.1em;
    text-transform: uppercase;
}

.service-card h3 {
    margin-bottom: 18px;
}

.service-card h3 a:hover {
    color: var(--blue-600);
}

.service-card__body > p {
    margin-bottom: 26px;
    color: var(--muted);
    font-size: 0.94rem;
}

.service-card__list {
    display: grid;
    gap: 11px;
    margin: 0 0 30px;
    padding: 0;
    color: var(--ink-soft);
    font-size: 0.83rem;
    list-style: none;
}

.service-card__list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.service-card__list svg {
    width: 17px;
    height: 17px;
    flex: 0 0 auto;
    margin-top: 3px;
    color: var(--cyan-500);
}

/* Outcomes */
.section--outcomes {
    overflow: hidden;
}

.section--outcomes::before {
    position: absolute;
    top: -280px;
    right: -190px;
    width: 700px;
    height: 700px;
    content: "";
    background: radial-gradient(circle, rgba(37, 166, 223, 0.2), transparent 70%);
    border-radius: 50%;
}

.outcome-grid {
    position: relative;
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--line-dark);
    border-left: 1px solid var(--line-dark);
}

.outcome-card {
    min-height: 330px;
    padding: 36px 32px;
    border-right: 1px solid var(--line-dark);
    border-bottom: 1px solid var(--line-dark);
    transition: background var(--transition);
}

.outcome-card:hover {
    background: rgba(37, 166, 223, 0.09);
}

.outcome-card__icon {
    display: inline-flex;
    width: 56px;
    height: 56px;
    align-items: center;
    justify-content: center;
    margin-bottom: 68px;
    color: var(--sky-300);
    border: 1px solid rgba(139, 231, 255, 0.36);
    border-radius: 50%;
}

.outcome-card__icon svg {
    width: 26px;
    height: 26px;
}

.outcome-card h3 {
    margin-bottom: 16px;
    font-size: 1.55rem;
}

.outcome-card p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.9rem;
}

/* Approach */
.section--approach {
    background: var(--paper);
}

.approach-layout {
    display: grid;
    grid-template-columns: minmax(320px, 0.72fr) minmax(560px, 1.28fr);
    gap: clamp(60px, 9vw, 150px);
}

.approach-intro {
    position: sticky;
    top: calc(var(--header-height) + 40px);
    align-self: start;
}

.approach-intro h2 {
    margin-bottom: 30px;
}

.approach-intro p {
    max-width: 530px;
    margin-bottom: 34px;
    color: var(--muted);
}

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

.approach-steps li {
    display: grid;
    min-height: 190px;
    align-items: start;
    grid-template-columns: 96px 1fr;
    gap: 24px;
    padding: 34px 0;
    border-bottom: 1px solid var(--line);
}

.approach-step__number {
    color: var(--blue-600);
    font-size: 0.78rem;
    font-weight: 760;
    letter-spacing: 0.12em;
}

.approach-steps h3 {
    margin-bottom: 14px;
    font-size: clamp(1.8rem, 3vw, 3rem);
}

.approach-steps p {
    max-width: 600px;
    margin-bottom: 0;
    color: var(--muted);
}

/* Platforms */
.section--platforms {
    background: var(--white);
}

.platform-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.platform-card {
    display: flex;
    min-height: 360px;
    flex-direction: column;
    padding: 34px 30px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    transition: color var(--transition), background var(--transition);
}

.platform-card:hover {
    color: var(--white);
    background: var(--navy-800);
}

.platform-card__icon {
    display: inline-flex;
    width: 56px;
    height: 56px;
    align-items: center;
    justify-content: center;
    margin-bottom: 74px;
    color: var(--blue-600);
    border: 1px solid var(--line);
    border-radius: 50%;
}

.platform-card__icon svg {
    width: 26px;
    height: 26px;
}

.platform-card:hover .platform-card__icon {
    color: var(--sky-300);
    border-color: rgba(139, 231, 255, 0.35);
}

.platform-card h3 {
    margin-bottom: 16px;
}

.platform-card p {
    margin-bottom: 28px;
    color: var(--muted);
    font-size: 0.9rem;
}

.platform-card:hover p {
    color: rgba(255, 255, 255, 0.68);
}

.platform-card a {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-top: auto;
    color: var(--blue-600);
    font-size: 0.78rem;
    font-weight: 740;
}

.platform-card:hover a {
    color: var(--sky-300);
}

/* Optional sections */
.section--industries,
.section--insights {
    background: var(--paper);
}

.industry-grid,
.principle-grid {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.industry-grid article,
.principle-grid article {
    min-height: 320px;
    padding: 34px 30px;
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.industry-grid article > span,
.principle-grid article > span {
    display: block;
    margin-bottom: 92px;
    color: var(--blue-600);
    font-size: 0.78rem;
    font-weight: 760;
    letter-spacing: 0.1em;
}

.industry-grid h3,
.principle-grid h3 {
    margin-bottom: 16px;
}

.industry-grid p,
.principle-grid p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 0.9rem;
}

.insight-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
}

.insight-card {
    min-height: 360px;
    padding: 34px;
    background: var(--white);
    border: 1px solid var(--line);
}

.insight-card > span {
    display: inline-flex;
    margin-bottom: 88px;
    padding: 7px 10px;
    color: var(--blue-600);
    background: var(--paper-2);
    font-size: 0.68rem;
    font-weight: 760;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.insight-card h3 {
    margin-bottom: 18px;
}

.insight-card p {
    color: var(--muted);
    font-size: 0.9rem;
}

.section--careers {
    padding-top: 0;
    background: var(--paper);
}

.careers-card {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 80px;
    padding: clamp(54px, 7vw, 88px);
    color: var(--white);
    background: var(--navy-800);
}

.careers-card h2 {
    margin-bottom: 0;
}

.careers-card p {
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.7);
}

/* Contact CTA */
.section--contact-cta {
    padding: 0;
    background: var(--navy-950);
}

.contact-cta {
    display: grid;
    min-height: 430px;
    align-items: center;
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, 0.75fr);
    gap: clamp(50px, 8vw, 130px);
    padding-block: 74px;
    color: var(--white);
    background-image: linear-gradient(90deg, rgba(0, 15, 29, 0.92), rgba(0, 43, 85, 0.64)), url("../img/hero-aiops.svg");
    background-position: center;
    background-size: cover;
}

.contact-cta h2 {
    max-width: 900px;
    margin-bottom: 0;
    font-size: clamp(2.4rem, 4.6vw, 5rem);
}

.contact-cta p {
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.7);
}

/* Footer */
.site-footer {
    color: var(--white);
    background: #000c17;
}

.site-footer__main {
    display: grid;
    grid-template-columns: minmax(320px, 1.35fr) repeat(3, minmax(160px, 0.65fr));
    gap: clamp(38px, 6vw, 90px);
    padding-block: 86px 70px;
}

.site-footer__brand img {
    width: min(320px, 100%);
    margin-bottom: 28px;
}

.site-footer__brand p {
    max-width: 430px;
    color: rgba(255, 255, 255, 0.56);
    font-size: 0.88rem;
}

.footer-social {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    color: var(--sky-300);
    font-size: 0.82rem;
    font-weight: 720;
}

.site-footer__column h2 {
    margin-bottom: 24px;
    color: var(--sky-300);
    font-size: 0.7rem;
    font-weight: 760;
    letter-spacing: 0.14em;
    text-transform: uppercase;
}

.site-footer__column ul {
    display: grid;
    gap: 12px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.site-footer__column li,
.site-footer__column > a,
.site-footer__column > span {
    color: rgba(255, 255, 255, 0.67);
    font-size: 0.84rem;
}

.site-footer__column li a:hover,
.site-footer__column > a:hover {
    color: var(--white);
}

.site-footer__contact {
    display: flex;
    align-items: flex-start;
    flex-direction: column;
    gap: 14px;
}

.site-footer__contact > a,
.site-footer__contact > span {
    display: flex;
    align-items: flex-start;
    gap: 10px;
}

.site-footer__contact > a svg,
.site-footer__contact > span svg {
    width: 18px;
    height: 18px;
    flex: 0 0 auto;
    margin-top: 3px;
    color: var(--sky-300);
}

.site-footer__contact .button {
    margin-top: 14px;
    color: var(--navy-950);
}

.site-footer__bottom,
.site-footer__trademark {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding-block: 24px;
    color: rgba(255, 255, 255, 0.45);
    border-top: 1px solid rgba(139, 231, 255, 0.12);
    font-size: 0.72rem;
}

.site-footer__bottom p,
.site-footer__trademark p {
    margin-bottom: 0;
}

.site-footer__legal {
    display: flex;
    gap: 22px;
}

.site-footer__legal a:hover {
    color: var(--white);
}

.site-footer__trademark {
    align-items: flex-start;
    padding-top: 0;
    border-top: 0;
}

.site-footer__trademark p {
    max-width: 900px;
}

/* Generic page hero */
.page-hero {
    position: relative;
    overflow: hidden;
    color: var(--white);
    background: var(--navy-900);
}

.page-hero__art {
    position: absolute;
    inset: 0;
    background-image: url("../img/hero-aiops.svg");
    background-position: center;
    background-size: cover;
    opacity: 0.72;
}

.page-hero::after {
    position: absolute;
    inset: 0;
    content: "";
    background: linear-gradient(90deg, rgba(0, 15, 29, 0.96) 0%, rgba(0, 29, 58, 0.84) 52%, rgba(0, 29, 58, 0.22) 100%);
}

.page-hero__inner {
    position: relative;
    z-index: 2;
    display: grid;
    min-height: 590px;
    align-items: end;
    grid-template-columns: minmax(0, 1.28fr) minmax(280px, 0.72fr);
    gap: 80px;
    padding-block: 108px 80px;
}

.page-hero__content {
    max-width: 900px;
}

.page-hero h1 {
    margin-bottom: 30px;
    font-size: clamp(3.5rem, 7vw, 7rem);
}

.page-hero__content > p {
    max-width: 760px;
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.72);
    font-size: 1.2rem;
}

.page-hero__aside {
    justify-self: end;
    max-width: 310px;
    padding: 28px;
    background: rgba(0, 20, 38, 0.64);
    border: 1px solid rgba(139, 231, 255, 0.22);
    backdrop-filter: blur(13px);
}

.page-hero__metric {
    display: block;
    margin-bottom: 8px;
    color: var(--sky-300);
    font-size: clamp(4rem, 8vw, 7.5rem);
    font-weight: 280;
    letter-spacing: -0.08em;
    line-height: 0.9;
}

.page-hero__aside > span:last-child,
.page-hero__aside-label {
    color: rgba(255, 255, 255, 0.65);
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.page-hero__aside strong {
    display: block;
    margin-top: 10px;
    font-size: 1.35rem;
    line-height: 1.25;
}

/* Services listing */
.section--service-listing {
    background: var(--white);
}

.service-list {
    border-top: 1px solid var(--line);
}

.service-row {
    display: grid;
    grid-template-columns: minmax(320px, 0.88fr) minmax(460px, 1.12fr);
    gap: clamp(44px, 7vw, 100px);
    padding-block: 58px;
    border-bottom: 1px solid var(--line);
}

.service-row__visual {
    position: relative;
    align-self: start;
    overflow: hidden;
    aspect-ratio: 1.5 / 1;
    background: var(--navy-900);
}

.service-row__visual img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.service-row__visual > span {
    position: absolute;
    right: 24px;
    bottom: 18px;
    color: var(--white);
    font-size: 3rem;
    font-weight: 280;
    letter-spacing: -0.08em;
}

.service-row__content {
    align-self: center;
}

.service-row h2 {
    margin-bottom: 24px;
    font-size: clamp(2.4rem, 4.4vw, 4.6rem);
}

.service-row h2 a:hover {
    color: var(--blue-600);
}

.service-row__summary {
    max-width: 700px;
    margin-bottom: 28px;
    color: var(--muted);
    font-size: 1.05rem;
}

.service-row__capabilities {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 30px;
}

.service-row__capabilities span {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 8px 10px;
    color: var(--ink-soft);
    background: var(--paper);
    border: 1px solid var(--line);
    font-size: 0.75rem;
    font-weight: 650;
}

.service-row__capabilities svg {
    width: 15px;
    height: 15px;
    color: var(--cyan-500);
}

.empty-state {
    max-width: 820px;
    padding: 70px;
    background: var(--paper);
    border: 1px solid var(--line);
}

.empty-state h2 {
    margin-bottom: 24px;
}

.empty-state p {
    color: var(--muted);
}

.section--engagement-model {
    background: var(--paper);
}

.engagement-model {
    display: grid;
    grid-template-columns: minmax(300px, 0.7fr) minmax(600px, 1.3fr);
    gap: clamp(50px, 8vw, 120px);
}

.engagement-model__intro h2 {
    margin-bottom: 28px;
}

.engagement-model__intro p {
    color: var(--muted);
}

.engagement-model__cards {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.engagement-model__cards article {
    min-height: 280px;
    padding: 30px;
    background: var(--white);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
}

.engagement-model__cards article > span {
    display: block;
    margin-bottom: 62px;
    color: var(--blue-600);
    font-size: 0.78rem;
    font-weight: 760;
}

.engagement-model__cards h3 {
    margin-bottom: 14px;
}

.engagement-model__cards p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 0.87rem;
}

/* Service detail */
.service-hero {
    color: var(--white);
    background: var(--navy-900);
}

.service-hero__inner {
    display: grid;
    min-height: 650px;
    align-items: center;
    grid-template-columns: minmax(0, 1.05fr) minmax(420px, 0.95fr);
    gap: clamp(50px, 7vw, 110px);
    padding-block: 74px;
}

.breadcrumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 54px;
    color: rgba(255, 255, 255, 0.48);
    font-size: 0.73rem;
}

.breadcrumbs a:hover {
    color: var(--white);
}

.service-hero h1 {
    margin-bottom: 28px;
    font-size: clamp(3.4rem, 6vw, 6.6rem);
}

.service-hero__content > p {
    max-width: 760px;
    margin-bottom: 36px;
    color: rgba(255, 255, 255, 0.72);
    font-size: 1.18rem;
}

.service-hero__visual {
    overflow: hidden;
    box-shadow: 0 30px 90px rgba(0, 8, 15, 0.38);
}

.service-hero__visual img {
    width: 100%;
    height: auto;
}

.section--service-intro {
    background: var(--white);
}

.service-intro {
    display: grid;
    grid-template-columns: minmax(0, 1.3fr) minmax(300px, 0.7fr);
    gap: clamp(60px, 9vw, 150px);
}

.service-intro h2 {
    margin-bottom: 0;
    font-size: clamp(2.2rem, 3.8vw, 4rem);
    line-height: 1.12;
}

.service-outcomes {
    padding-left: 32px;
    border-left: 3px solid var(--cyan-500);
}

.service-outcomes__label {
    display: block;
    margin-bottom: 22px;
    color: var(--blue-600);
    font-size: 0.72rem;
    font-weight: 760;
    letter-spacing: 0.12em;
    text-transform: uppercase;
}

.service-outcomes ul {
    display: grid;
    gap: 18px;
    margin: 0;
    padding: 0;
    list-style: none;
}

.service-outcomes li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    color: var(--muted);
    font-size: 0.94rem;
}

.service-outcomes svg {
    width: 19px;
    height: 19px;
    flex: 0 0 auto;
    margin-top: 4px;
    color: var(--cyan-500);
}

.section--capabilities {
    background: var(--paper);
}

.capability-grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--line);
    border-left: 1px solid var(--line);
}

.capability-card {
    min-height: 330px;
    padding: 34px;
    background: var(--white);
    border-right: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    transition: color var(--transition), background var(--transition);
}

.capability-card:hover {
    color: var(--white);
    background: var(--navy-800);
}

.capability-card__number {
    display: block;
    margin-bottom: 88px;
    color: var(--blue-600);
    font-size: 0.78rem;
    font-weight: 760;
    letter-spacing: 0.1em;
}

.capability-card:hover .capability-card__number {
    color: var(--sky-300);
}

.capability-card h3 {
    margin-bottom: 17px;
}

.capability-card p {
    margin-bottom: 0;
    color: var(--muted);
    font-size: 0.89rem;
}

.capability-card:hover p {
    color: rgba(255, 255, 255, 0.68);
}

.section--delivery-principles {
    color: var(--white);
    background: var(--navy-950);
}

.delivery-principles {
    display: grid;
    grid-template-columns: minmax(300px, 0.7fr) minmax(600px, 1.3fr);
    gap: clamp(60px, 8vw, 120px);
}

.delivery-principles__intro h2 {
    margin-bottom: 0;
}

.delivery-principles__grid {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    border-top: 1px solid var(--line-dark);
    border-left: 1px solid var(--line-dark);
}

.delivery-principles__grid article {
    min-height: 340px;
    padding: 30px;
    border-right: 1px solid var(--line-dark);
    border-bottom: 1px solid var(--line-dark);
}

.delivery-principles__grid article > span {
    display: inline-flex;
    width: 54px;
    height: 54px;
    align-items: center;
    justify-content: center;
    margin-bottom: 75px;
    color: var(--sky-300);
    border: 1px solid rgba(139, 231, 255, 0.32);
    border-radius: 50%;
}

.delivery-principles__grid svg {
    width: 25px;
    height: 25px;
}

.delivery-principles__grid h3 {
    margin-bottom: 16px;
    font-size: 1.4rem;
}

.delivery-principles__grid p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.62);
    font-size: 0.86rem;
}

/* About */
.page-hero__aside--logo {
    width: 330px;
    max-width: 36vw;
    padding: 24px;
    background: rgba(255, 255, 255, 0.95);
}

.page-hero__aside--logo img {
    width: 100%;
}

.section--about-intro {
    background: var(--white);
}

.about-intro,
.team-model {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(360px, 0.9fr);
    gap: clamp(60px, 9vw, 150px);
}

.about-intro h2,
.team-model h2 {
    margin-bottom: 0;
}

.about-intro p,
.team-model p {
    color: var(--muted);
    font-size: 1.03rem;
}

.section--principles {
    background: var(--paper);
}

.section--brand-story {
    color: var(--white);
    background: var(--navy-900);
}

.brand-story {
    display: grid;
    grid-template-columns: minmax(360px, 0.8fr) minmax(500px, 1.2fr);
    gap: clamp(60px, 8vw, 120px);
    align-items: center;
}

.brand-story__visual {
    padding: clamp(30px, 5vw, 65px);
    background: var(--white);
}

.brand-story__visual img {
    width: 100%;
}

.brand-story__content h2 {
    margin-bottom: 45px;
}

.brand-story dl {
    display: grid;
    gap: 0;
    margin-bottom: 0;
    border-top: 1px solid var(--line-dark);
}

.brand-story dl div {
    display: grid;
    grid-template-columns: 105px 1fr;
    gap: 24px;
    padding: 24px 0;
    border-bottom: 1px solid var(--line-dark);
}

.brand-story dt {
    color: var(--sky-300);
    font-weight: 740;
}

.brand-story dd {
    color: rgba(255, 255, 255, 0.68);
}

.section--team-model {
    background: var(--white);
}

/* Contact */
.section--contact-form {
    background: var(--paper);
}

.contact-layout {
    display: grid;
    align-items: start;
    grid-template-columns: minmax(300px, 0.68fr) minmax(560px, 1.32fr);
    gap: clamp(60px, 8vw, 120px);
}

.contact-details {
    position: sticky;
    top: calc(var(--header-height) + 40px);
}

.contact-details h2 {
    margin-bottom: 28px;
    font-size: clamp(2.25rem, 4vw, 4.2rem);
}

.contact-details > p {
    color: var(--muted);
}

.contact-detail-list {
    display: grid;
    gap: 0;
    margin-top: 42px;
    border-top: 1px solid var(--line);
}

.contact-detail-list > a,
.contact-detail-list > span {
    display: grid;
    grid-template-columns: 46px 1fr;
    gap: 16px;
    padding: 22px 0;
    border-bottom: 1px solid var(--line);
}

.contact-detail-list > a > span:first-child,
.contact-detail-list > span > span:first-child {
    display: inline-flex;
    width: 42px;
    height: 42px;
    align-items: center;
    justify-content: center;
    color: var(--blue-600);
    border: 1px solid var(--line);
    border-radius: 50%;
}

.contact-detail-list svg {
    width: 20px;
    height: 20px;
}

.contact-detail-list small {
    display: block;
    margin-bottom: 3px;
    color: var(--muted);
    font-size: 0.68rem;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
}

.contact-detail-list strong {
    font-size: 0.95rem;
    overflow-wrap: anywhere;
}

.contact-form-card {
    padding: clamp(34px, 5vw, 66px);
    background: var(--white);
    border: 1px solid var(--line);
    box-shadow: var(--shadow-sm);
}

.contact-form-card__heading {
    margin-bottom: 38px;
}

.contact-form-card__heading h2 {
    margin-bottom: 0;
    font-size: clamp(2.2rem, 3.8vw, 3.8rem);
}

.contact-form {
    display: grid;
    gap: 24px;
}

.form-grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
}

.contact-form label {
    display: grid;
    gap: 8px;
    color: var(--ink-soft);
    font-size: 0.76rem;
    font-weight: 710;
    letter-spacing: 0.02em;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
    width: 100%;
    color: var(--ink);
    background: var(--paper);
    border: 1px solid var(--line);
    border-radius: 2px;
    outline: 0;
    transition: border-color var(--transition), box-shadow var(--transition), background var(--transition);
}

.contact-form input,
.contact-form select {
    height: 54px;
    padding: 0 15px;
}

.contact-form textarea {
    min-height: 180px;
    resize: vertical;
    padding: 14px 15px;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
    background: var(--white);
    border-color: var(--cyan-500);
    box-shadow: 0 0 0 3px rgba(37, 166, 223, 0.13);
}

.contact-form__footer {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 30px;
    margin-top: 8px;
}

.contact-form__footer p {
    max-width: 500px;
    margin-bottom: 0;
    color: var(--muted);
    font-size: 0.72rem;
}

.contact-form__footer p a {
    color: var(--blue-600);
    text-decoration: underline;
}

.form-errors {
    margin-bottom: 28px;
    padding: 20px 22px;
    color: #7a1f1f;
    background: #fff1f1;
    border-left: 4px solid var(--error);
    font-size: 0.86rem;
}

.form-errors ul {
    margin: 8px 0 0;
    padding-left: 20px;
}

.form-honeypot {
    position: absolute !important;
    width: 1px !important;
    height: 1px !important;
    overflow: hidden !important;
    clip: rect(0, 0, 0, 0) !important;
    white-space: nowrap !important;
}

.form-success {
    display: flex;
    min-height: 420px;
    align-items: flex-start;
    justify-content: center;
    flex-direction: column;
}

.form-success > span {
    display: inline-flex;
    width: 70px;
    height: 70px;
    align-items: center;
    justify-content: center;
    margin-bottom: 34px;
    color: var(--success);
    background: #e9f8f2;
    border-radius: 50%;
}

.form-success > span svg {
    width: 34px;
    height: 34px;
}

.form-success h2 {
    margin-bottom: 18px;
    font-size: clamp(2.2rem, 4vw, 4rem);
}

.form-success p {
    color: var(--muted);
}

/* Legal and error */
.legal-hero {
    padding: 110px 0 80px;
    color: var(--white);
    background: var(--navy-900);
}

.legal-hero h1 {
    margin-bottom: 20px;
    font-size: clamp(3.5rem, 7vw, 6.7rem);
}

.legal-hero p {
    margin-bottom: 0;
    color: rgba(255, 255, 255, 0.68);
    font-size: 1.15rem;
}

.legal-content {
    background: var(--white);
}

.legal-content h2 {
    margin: 52px 0 18px;
    font-size: 2rem;
}

.legal-content p {
    color: var(--muted);
}

.legal-content a {
    color: var(--blue-600);
    text-decoration: underline;
}

.legal-notice {
    margin-bottom: 52px;
    padding: 22px 24px;
    color: var(--ink-soft);
    background: #eef9fd;
    border-left: 4px solid var(--cyan-500);
}

.error-page {
    min-height: 680px;
    display: flex;
    align-items: center;
    background: var(--paper);
}

.error-page__inner {
    max-width: 900px;
    text-align: center;
}

.error-page h1 {
    margin-bottom: 24px;
    font-size: clamp(3rem, 6vw, 6rem);
}

.error-page p {
    max-width: 650px;
    margin: 0 auto 34px;
    color: var(--muted);
    font-size: 1.05rem;
}

.error-page .hero__actions {
    justify-content: center;
}

/* Reveal motion */
[data-reveal] {
    opacity: 0;
    transform: translateY(22px);
    transition: opacity 650ms ease, transform 650ms cubic-bezier(.2,.75,.2,1);
}

[data-reveal][data-reveal-delay="1"] { transition-delay: 90ms; }
[data-reveal][data-reveal-delay="2"] { transition-delay: 180ms; }
[data-reveal][data-reveal-delay="3"] { transition-delay: 270ms; }

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

@media (prefers-reduced-motion: reduce) {
    html { scroll-behavior: auto; }
    *, *::before, *::after {
        scroll-behavior: auto !important;
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    [data-reveal] { opacity: 1; transform: none; }
}

@media (max-width: 1240px) {
    :root { --header-height: 82px; }

    .site-header__inner {
        grid-template-columns: 210px auto auto;
        gap: 18px;
    }

    .brand img { width: 205px; }
    .primary-nav__link { padding-inline: 10px; font-size: 0.77rem; }
    .header-cta { padding-inline: 14px; }

    .service-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .outcome-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .platform-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .capability-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .delivery-principles { grid-template-columns: 1fr; }
    .delivery-principles__grid { max-width: 980px; }
    .site-footer__main { grid-template-columns: 1.2fr repeat(3, 0.6fr); gap: 42px; }
}

@media (max-width: 1040px) {
    :root { --header-height: 78px; }

    .container--wide { width: min(calc(100% - 48px), var(--container-wide)); }

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

    .primary-nav {
        position: fixed;
        top: var(--header-height);
        right: 0;
        bottom: 0;
        left: 0;
        visibility: hidden;
        overflow-y: auto;
        padding: 20px 24px 40px;
        background: var(--white);
        opacity: 0;
        transform: translateY(-10px);
        transition: opacity var(--transition), transform var(--transition), visibility var(--transition);
    }

    body.nav-open .primary-nav {
        visibility: visible;
        opacity: 1;
        transform: translateY(0);
    }

    .primary-nav__list {
        display: block;
        height: auto;
    }

    .primary-nav__item,
    .primary-nav__row {
        display: block;
        height: auto;
    }

    .primary-nav__row {
        display: grid;
        grid-template-columns: 1fr 52px;
    }

    .primary-nav__link {
        display: flex;
        min-height: 64px;
        align-items: center;
        padding: 14px 0;
        border-bottom: 1px solid var(--line);
        font-size: 1.05rem;
    }

    .primary-nav__link::after { display: none; }

    .primary-nav__submenu-toggle {
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--navy-800);
        background: transparent;
        border: 0;
        border-bottom: 1px solid var(--line);
        font-size: 1.5rem;
        cursor: pointer;
    }

    .primary-nav__submenu-toggle[aria-expanded="true"] span {
        transform: rotate(45deg);
    }

    .mega-menu {
        position: static;
        display: none;
        visibility: visible;
        max-height: none;
        grid-template-columns: 1fr;
        gap: 30px;
        padding: 30px 0;
        border-top: 0;
        box-shadow: none;
        opacity: 1;
        transform: none;
        transition: none;
    }

    .primary-nav__item--mega.is-submenu-open .mega-menu {
        display: grid;
    }

    .mega-menu__intro h2 { font-size: 2.1rem; }
    .mega-menu__services { grid-template-columns: 1fr; }
    .mega-service { min-height: 0; }

    .nav-toggle {
        display: inline-flex;
        width: 48px;
        height: 48px;
        align-items: center;
        justify-content: center;
        color: var(--navy-900);
        background: transparent;
        border: 1px solid var(--line);
        cursor: pointer;
    }

    .nav-toggle svg { width: 24px; height: 24px; }
    .nav-toggle__close { display: none; }
    body.nav-open .nav-toggle__open { display: none; }
    body.nav-open .nav-toggle__close { display: block; }

    .hero__inner {
        grid-template-columns: minmax(0, 1fr);
        padding-block: 88px;
    }

    .hero__signal { display: none; }
    .hero::after { background: linear-gradient(90deg, rgba(0, 15, 29, 0.97), rgba(0, 29, 58, 0.64)); }

    .section-heading--split,
    .approach-layout,
    .engagement-model,
    .service-intro,
    .about-intro,
    .team-model,
    .contact-layout,
    .brand-story,
    .contact-cta,
    .careers-card {
        grid-template-columns: 1fr;
    }

    .section-heading--split { align-items: start; gap: 30px; }
    .section-heading p { max-width: 760px; }

    .approach-intro,
    .contact-details { position: static; }

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

    .service-row {
        grid-template-columns: minmax(280px, 0.8fr) minmax(380px, 1.2fr);
        gap: 44px;
    }

    .service-hero__inner {
        grid-template-columns: 1fr;
        padding-block: 70px;
    }

    .service-hero__visual { max-width: 760px; }
    .page-hero__inner { grid-template-columns: 1fr; gap: 46px; }
    .page-hero__aside { justify-self: start; }
    .page-hero__aside--logo { max-width: 300px; }

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

    .contact-cta { min-height: 0; padding-block: 74px; }
}

@media (max-width: 780px) {
    .container,
    .container--wide,
    .container--narrow {
        width: min(calc(100% - 32px), var(--container));
    }

    .site-header__inner { grid-template-columns: 1fr auto; }
    .brand img { width: 190px; }
    .header-cta { display: none; }

    .hero__inner {
        min-height: 690px;
        padding-block: 72px;
    }

    .hero h1 { font-size: clamp(3.2rem, 14vw, 5.4rem); }
    .hero__proof { display: grid; gap: 12px; }
    .hero__actions { align-items: stretch; flex-direction: column; }
    .hero__actions .button { width: 100%; }

    .brand-rail__inner { grid-template-columns: repeat(2, 1fr); }
    .brand-rail span { min-height: 72px; border-bottom: 1px solid rgba(139, 231, 255, 0.16); }

    .service-grid,
    .outcome-grid,
    .platform-grid,
    .industry-grid,
    .principle-grid,
    .insight-grid,
    .engagement-model__cards,
    .capability-grid,
    .delivery-principles__grid {
        grid-template-columns: 1fr;
    }

    .service-card__body { min-height: 0; }
    .outcome-card { min-height: 280px; }
    .outcome-card__icon { margin-bottom: 48px; }
    .platform-card { min-height: 310px; }
    .platform-card__icon { margin-bottom: 54px; }

    .approach-steps li { grid-template-columns: 62px 1fr; }

    .page-hero__inner { min-height: 540px; padding-block: 80px 64px; }
    .page-hero h1 { font-size: clamp(3.15rem, 14vw, 5.4rem); }
    .page-hero__content > p { font-size: 1.04rem; }

    .service-row {
        grid-template-columns: 1fr;
        gap: 32px;
        padding-block: 42px;
    }

    .service-row__visual { max-width: 620px; }

    .service-hero h1 { font-size: clamp(3rem, 14vw, 5.2rem); }
    .breadcrumbs { margin-bottom: 38px; }

    .delivery-principles__grid article { min-height: 290px; }
    .delivery-principles__grid article > span { margin-bottom: 48px; }

    .brand-story dl div { grid-template-columns: 74px 1fr; }
    .form-grid { grid-template-columns: 1fr; }
    .contact-form__footer { align-items: stretch; flex-direction: column; }
    .contact-form__footer .button { width: 100%; }

    .site-footer__main { grid-template-columns: 1fr; }
    .site-footer__bottom { align-items: flex-start; flex-direction: column; }

    .careers-card { padding: 44px 28px; }
    .contact-cta { gap: 30px; }
}

@media (max-width: 520px) {
    :root { --header-height: 72px; }
    body { font-size: 16px; }
    .section { padding-block: 76px; }
    .brand img { width: 170px; }
    .nav-toggle { width: 44px; height: 44px; }

    .hero__inner { min-height: 650px; padding-block: 62px; }
    .hero h1 { font-size: clamp(2.9rem, 14.5vw, 4.6rem); }
    .hero__summary { font-size: 1rem; }

    .brand-rail__inner { width: 100%; }
    .brand-rail span { padding: 14px 10px; font-size: 0.68rem; }

    .service-card__body { padding: 26px 24px 30px; }
    .service-card__number { font-size: 2.2rem; }
    .outcome-card,
    .platform-card,
    .industry-grid article,
    .principle-grid article,
    .capability-card,
    .engagement-model__cards article,
    .insight-card { padding: 28px 24px; }

    .approach-steps li { grid-template-columns: 1fr; gap: 10px; }
    .approach-step__number { margin-bottom: 8px; }

    .page-hero__inner { padding-block: 68px 56px; }
    .page-hero__aside { width: 100%; max-width: none; }
    .page-hero__aside--logo { width: 240px; }

    .service-row h2 { font-size: 2.65rem; }
    .empty-state { padding: 38px 26px; }

    .service-hero__inner { padding-block: 54px; }
    .service-intro h2 { font-size: 2.25rem; }
    .service-outcomes { padding-left: 22px; }

    .brand-story__visual { padding: 26px; }
    .brand-story dl div { grid-template-columns: 1fr; gap: 6px; }

    .contact-form-card { padding: 30px 22px; }
    .legal-hero { padding-block: 80px 60px; }

    .site-footer__main { padding-block: 66px 54px; }
}