@media (max-width: 1100px) {
  :root {
    --shell: min(100% - 48px, 980px);
  }

  .main-nav {
    gap: 18px;
  }

  .main-nav a {
    font-size: 12px;
  }

  .hero-content {
    grid-template-columns: 1fr;
    gap: 36px;
    align-content: center;
    padding-block: 150px 85px;
  }

  .hero-copy {
    max-width: 820px;
  }

  .hero-proof {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0 28px;
    width: min(100%, 640px);
    padding: 18px 22px;
  }

  .hero-proof .proof-kicker {
    display: none;
  }

  .hero-proof .proof-row {
    padding: 8px 0;
    border-top: 0;
  }

  .hero-proof .proof-note {
    grid-column: 1 / -1;
    padding-top: 13px;
    border-top: 1px solid rgba(255, 255, 255, .15);
  }

  .service-card {
    min-height: 570px;
    padding: 28px;
  }

  .service-icon {
    margin-bottom: 70px;
  }

  .founder-card {
    width: 100%;
  }

  .founder-copy {
    padding: 60px;
  }
}

@media (max-width: 860px) {
  :root {
    --shell: calc(100% - 36px);
  }

  .site-header {
    top: 10px;
    display: flex;
    gap: 8px;
    padding: 10px 12px 10px 18px;
  }

  .brand {
    margin-right: auto;
  }

  .header-call {
    display: none;
  }

  .mobile-header-call {
    position: relative;
    z-index: 2;
    display: grid;
    width: 48px;
    height: 48px;
    place-items: center;
    border-radius: 12px;
    background: var(--aqua-400);
    color: var(--navy-950);
    transition: transform .2s var(--ease), background .2s;
  }

  .mobile-header-call:hover,
  .mobile-header-call:focus-visible {
    transform: translateY(-2px);
    background: var(--white);
  }

  .menu-toggle {
    position: relative;
    z-index: 2;
    display: grid;
    width: 48px;
    height: 48px;
    padding: 0;
    place-content: center;
    gap: 7px;
    border: 0;
    border-radius: 12px;
    background: rgba(255, 255, 255, .1);
    cursor: pointer;
  }

  .menu-toggle span:not(.sr-only) {
    width: 22px;
    height: 1px;
    background: var(--white);
    transition: transform .3s, opacity .3s;
  }

  .menu-toggle[aria-expanded="true"] span:nth-of-type(2) {
    transform: translateY(4px) rotate(45deg);
  }

  .menu-toggle[aria-expanded="true"] span:nth-of-type(3) {
    transform: translateY(-4px) rotate(-45deg);
  }

  .main-nav {
    position: fixed;
    inset: -10px -18px auto;
    display: flex;
    height: 100svh;
    padding: 130px 36px 40px;
    transform: translateY(-105%);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 4px;
    background: rgba(3, 17, 31, .98);
    transition: transform .55s var(--ease);
  }

  .main-nav.is-open {
    transform: translateY(0);
  }

  .main-nav a {
    width: 100%;
    padding: 18px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .13);
    color: var(--white);
    font-family: "Manrope", sans-serif;
    font-size: 28px;
    font-weight: 500;
    letter-spacing: -.04em;
  }

  .hero {
    min-height: 820px;
  }

  .hero-image {
    object-position: 64% 50%;
  }

  .hero-shade {
    background:
      linear-gradient(0deg, rgba(2, 14, 26, .88) 0%, rgba(3, 19, 34, .48) 64%, rgba(2, 14, 26, .35) 100%),
      linear-gradient(90deg, rgba(2, 14, 26, .65), transparent);
  }

  .hero-content {
    display: block;
    min-height: 820px;
    padding-block: 170px 95px;
  }

  .hero-copy {
    max-width: 680px;
  }

  .hero h1 {
    font-size: clamp(58px, 11vw, 86px);
  }

  .hero-proof {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0 22px;
    max-width: 560px;
    margin-top: 54px;
    padding: 18px 22px;
  }

  .proof-kicker {
    display: none;
  }

  .proof-row {
    padding: 8px 0;
    border: 0;
  }

  .proof-note {
    grid-column: 1 / -1;
    padding-top: 13px;
    border-top: 1px solid rgba(255, 255, 255, .15);
  }

  .hero-bottom {
    display: none;
  }

  .intro-band-inner {
    justify-content: center;
  }

  .intro-band-inner > p {
    display: none;
  }

  .section {
    padding-block: 110px;
  }

  .section-heading {
    grid-template-columns: 1fr;
    gap: 30px;
    margin-bottom: 58px;
  }

  .section-heading > p {
    max-width: 620px;
  }

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

  .service-card {
    min-height: auto;
  }

  .service-icon {
    margin-bottom: 70px;
  }

  .comparison-grid {
    gap: 22px;
  }

  .comparison-card-offset {
    margin-top: 0;
  }

  .pools-heading {
    margin-bottom: 50px;
  }

  .pool-gallery {
    gap: 12px;
  }

  .pool-shot-a,
  .pool-shot-c {
    margin-top: 0;
  }

  .pool-shot img {
    height: 520px;
  }

  .tech-shot-wide {
    min-height: 420px;
  }

  .founder-card {
    grid-template-columns: 1fr;
  }

  .founder-portrait {
    min-height: 680px;
  }

  .founder-copy {
    padding: 76px 50px;
  }

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

  .numbers-heading {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .sector-layout,
  .partners-inner,
  .contact-inner {
    grid-template-columns: 1fr;
  }

  .sector-map {
    width: min(100%, 680px);
    margin-inline: auto;
  }

  .partners-inner {
    gap: 50px;
  }

  .contact-inner {
    gap: 70px;
  }
}

@media (max-width: 620px) {
  :root {
    --shell: calc(100% - 28px);
    --radius-lg: 22px;
  }

  html {
    scroll-padding-top: 80px;
  }

  body {
    padding-bottom: 0;
  }

  .site-header {
    width: calc(100vw - 20px);
    min-height: 62px;
    padding-left: 13px;
  }

  .mobile-header-call {
    width: 42px;
    height: 42px;
    border-radius: 11px;
  }

  .mobile-header-call .icon-svg {
    width: 17px;
    height: 17px;
  }

  .menu-toggle {
    width: 42px;
    height: 42px;
  }

  .brand-name {
    font-size: 19px;
  }

  .hero {
    min-height: 780px;
  }

  .hero-image {
    object-position: 63% 50%;
  }

  .hero-content {
    min-height: 780px;
    padding-block: 138px 58px;
  }

  .hero-copy {
    margin-inline: auto;
    text-align: center;
  }

  .hero-copy .eyebrow,
  .hero-actions {
    justify-content: center;
  }

  .eyebrow {
    margin-bottom: 18px;
    font-size: 9px;
    letter-spacing: .15em;
  }

  .hero h1 {
    font-size: clamp(50px, 15.8vw, 72px);
  }

  .hero-lead {
    margin-inline: auto;
    margin-top: 25px;
    font-size: 15px;
    line-height: 1.6;
  }

  .hero-actions {
    align-items: center;
    margin-top: 30px;
    flex-direction: column;
    gap: 10px;
  }

  .button {
    width: 100%;
  }

  .hero-proof {
    grid-template-columns: 1fr 1fr;
    gap: 0 14px;
    width: 100%;
    margin-top: 34px;
    padding: 15px;
    text-align: left;
  }

  .proof-row {
    grid-template-columns: 1fr;
    gap: 4px;
  }

  .proof-row strong {
    font-size: 27px;
  }

  .proof-note {
    font-size: 8px;
  }

  .intro-band {
    min-height: 64px;
  }

  .marquee {
    width: max-content;
    font-size: 9px;
    letter-spacing: .1em;
  }

  .marquee span:nth-of-type(4),
  .marquee i:nth-of-type(3) {
    display: none;
  }

  .section {
    padding-block: 82px;
  }

  .section-heading,
  .pools-heading {
    margin-bottom: 44px;
    text-align: center;
  }

  .section-heading,
  .pools-heading,
  .sector-copy,
  .partners-inner > div:first-child,
  .contact-inner > div:first-child {
    justify-items: center;
    text-align: center;
  }

  .section-heading .eyebrow,
  .pools-heading .eyebrow,
  .sector-copy .eyebrow,
  .partners-inner .eyebrow,
  .contact-inner .eyebrow {
    justify-content: center;
  }

  .section-heading > p,
  .sector-copy > p {
    margin-inline: auto;
  }

  .section-heading h2,
  .pools-heading h2,
  .sector-copy h2,
  .partners-inner h2 {
    font-size: 45px;
  }

  .section-heading > p,
  .sector-copy > p {
    font-size: 14px;
  }

  .service-card {
    padding: 25px;
  }

  .service-icon {
    width: 54px;
    height: 54px;
    margin-bottom: 55px;
  }

  .service-card h3 {
    font-size: 25px;
  }

  .service-cta {
    align-items: flex-start;
    flex-direction: column;
    gap: 18px;
  }

  .service-cta a {
    width: 100%;
    justify-content: space-between;
  }

  .comparison-grid {
    grid-template-columns: 1fr;
    gap: 70px;
  }

  .comparison-card-offset {
    margin-top: 0;
  }

  .before-after {
    aspect-ratio: 4 / 5;
    border-radius: 18px;
  }

  .comparison-line::before {
    width: 50px;
    height: 50px;
  }

  .pools-heading {
    display: block;
  }

  .pool-gallery {
    display: grid;
    grid-template-columns: 1fr;
    width: 100%;
    margin: 0;
    padding: 0;
    overflow: visible;
  }

  .pool-shot {
    min-width: 0;
    margin-top: 0;
  }

  .pool-shot img {
    width: 100%;
    height: auto;
    aspect-ratio: 4 / 5;
  }

  .tech-gallery {
    grid-template-columns: 1fr;
    padding-bottom: 82px;
  }

  .tech-shot,
  .tech-shot-wide {
    grid-column: auto;
    min-height: 310px;
  }

  .founder-card {
    width: 100%;
  }

  .founder-portrait {
    min-height: 520px;
  }

  .founder-copy {
    padding: 55px 24px;
    text-align: center;
  }

  .founder-copy .eyebrow {
    justify-content: center;
  }

  .founder-copy h2 {
    font-size: 48px;
  }

  .founder-copy blockquote {
    margin-top: 32px;
    font-size: 20px;
  }

  .founder-signature {
    align-items: center;
    flex-direction: column;
    gap: 24px;
  }

  .numbers-section {
    padding-block: 80px;
  }

  .numbers-heading {
    justify-items: center;
    text-align: center;
  }

  .numbers-heading h2 {
    font-size: 45px;
  }

  .numbers-heading > p {
    max-width: 330px;
    font-size: 14px;
  }

  .numbers-grid {
    grid-template-columns: 1fr;
    gap: 12px;
    margin-top: 38px;
  }

  .number-item {
    min-height: 245px;
    padding: 24px;
  }

  .number-value {
    margin-top: 28px;
  }

  .number-value strong {
    font-size: 62px;
  }

  .sector-layout {
    gap: 55px;
  }

  .sector-map {
    width: 100%;
  }

  .partner-logos {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .partner-logos figure,
  .partner-logos figure:nth-child(4) {
    grid-column: 1 / -1;
    min-height: 185px;
    padding: 24px;
  }

  .partner-logos img {
    max-height: 112px;
  }

  .partner-logos img[src*="hydralians"],
  .partner-logos img[src*="pool-partenaire"] {
    max-height: 150px;
  }

  .contact-section {
    padding-block: 90px;
  }

  .contact-inner {
    gap: 55px;
  }

  .contact-inner h2 {
    font-size: 55px;
  }

  .contact-phone,
  .contact-email {
    padding-right: 50px;
  }

  .contact-email strong {
    font-size: 19px;
  }

  .contact-actions > p {
    line-height: 1.7;
  }

  .mobile-call {
    display: none;
  }

  .mobile-call span {
    font-size: 10px;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
  }

  .mobile-call strong {
    font-family: "Manrope", sans-serif;
    font-size: 15px;
  }
}