@media (max-width: 1024px) {
  :root {
    --layout-gutter: 24px;
    --hero-logo-w: clamp(68px, 7vw, 92px);
    --hero-title-size: clamp(1.875rem, 5vw, 2.75rem);
    --hero-signature-gap: clamp(2.5rem, 5vh, 3.5rem);
    --hero-intro-max: 28rem;
    --hero-col-gap: 40px;
    --hero-visual-w: 100%;
    --hero-visual-h: 480px;
  }

  .hero-inner {
    min-height: auto;
    justify-content: center;
  }

  .hero-brand {
    align-items: center;
    text-align: center;
    max-width: 100%;
  }

  .hero-actions {
    justify-content: center;
  }

  .services-grid {
    grid-template-columns: 1fr;
    max-width: 440px;
    margin: 0 auto;
  }

  .services-grid .service-card--architecture {
    grid-column: auto;
  }

  .realisations-grid {
    grid-template-columns: repeat(3, 1fr);
  }

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

  .intro-points {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(28px, 4vw, 36px) clamp(20px, 3vw, 32px);
  }

  .regard-grid {
    grid-template-columns: 1fr;
    max-width: 26rem;
  }

  .contact-layout {
    grid-template-columns: 1fr;
    align-items: stretch;
    gap: clamp(36px, 6vw, 48px);
  }

  .contact-info .contact-intro {
    margin-bottom: clamp(20px, 4vw, 28px);
  }
}

@media (max-width: 768px) {
  :root {
    --hero-logo-w: clamp(64px, 17vw, 84px);
    --hero-signature-gap: clamp(2.25rem, 5.5vh, 3rem);
    --hero-title-size: clamp(1.75rem, 7.2vw, 2.375rem);
    --hero-title-max: 13em;
    --hero-title-intro-gap: clamp(1.125rem, 3vh, 1.625rem);
    --hero-intro-size: clamp(0.9375rem, 3.6vw, 1.0625rem);
    --hero-intro-max: 22rem;
    --hero-cta-gap: clamp(2rem, 5.5vh, 2.75rem);
    --header-height: 56px;
    --header-logo-h: 28px;
  }

  .site-header {
    grid-template-columns: 1fr auto auto;
    align-items: center;
    gap: 8px;
    min-height: var(--header-height);
    height: auto;
    padding: 10px 16px;
  }

  .brand {
    justify-self: start;
    grid-column: 1;
    grid-row: 1;
    min-width: 0;
  }

  .brand-logo {
    max-width: min(118px, 40vw);
    height: auto;
    max-height: var(--header-logo-h);
  }

  .nav-toggle {
    justify-self: end;
    grid-column: 3;
    grid-row: 1;
    display: inline-flex;
    position: relative;
    z-index: 62;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 6px;
    width: 40px;
    height: 40px;
    border: 1px solid var(--line);
    border-radius: 50%;
    color: var(--white);
  }

  .nav-toggle span {
    width: 16px;
    height: 1px;
    background: currentColor;
    transition: transform 0.3s var(--ease);
  }

  .nav-toggle.is-open span:first-child {
    transform: translateY(3.5px) rotate(45deg);
  }

  .nav-toggle.is-open span:last-child {
    transform: translateY(-3.5px) rotate(-45deg);
  }

  .header-cta {
    display: inline-flex;
    justify-self: end;
    grid-column: 2;
    grid-row: 1;
    align-items: center;
    justify-content: center;
    height: auto;
    min-height: 44px;
    max-width: 104px;
    padding: 6px 10px;
    font-size: 0.5rem;
    letter-spacing: 0.07em;
    line-height: 1.2;
    white-space: normal;
    text-align: center;
    position: relative;
    z-index: 62;
  }

  .site-nav {
    z-index: 61;
    position: fixed;
    top: calc(var(--header-height) + env(safe-area-inset-top, 0px) + 8px);
    right: 16px;
    left: 16px;
    flex-direction: column;
    gap: 0;
    padding: 8px;
    border: 1px solid var(--line);
    border-radius: 16px;
    background: var(--black);
    transform: translateY(-10px);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.25s ease, transform 0.25s ease;
  }

  .site-nav.is-open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .site-nav a {
    width: 100%;
    min-height: 48px;
    padding: 14px 16px;
    border-bottom: 1px solid var(--line);
    text-align: center;
    display: flex;
    align-items: center;
    justify-content: center;
  }

  .site-nav a:last-child {
    border-bottom: 0;
  }

  .hero {
    height: 100svh;
    min-height: 520px;
    padding-top: calc(var(--header-height) + 12px);
  }

  .hero-bg {
    background-image: url("../assets/images/hero-mobile.png");
    background-size: cover;
    background-position: center 32%;
    transform: scale(1.05);
  }

  .hero::before {
    background-image: linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0.5) 0%,
      rgba(0, 0, 0, 0.32) 50%,
      rgba(0, 0, 0, 0.22) 100%
    );
  }

  .hero-inner {
    min-height: auto;
    padding-bottom: clamp(48px, 10vh, 72px);
  }

  .hero-brand {
    align-items: center;
    text-align: center;
    max-width: 100%;
  }

  .hero-title {
    max-width: min(var(--hero-title-max), 100%);
  }

  .hero-intro {
    max-width: min(var(--hero-intro-max), 100%);
    margin-inline: auto;
  }

  .hero-logo {
    align-self: center;
  }

  .hero-actions {
    width: 100%;
    flex-direction: column;
    align-items: stretch;
    gap: 12px;
  }

  .hero-actions .btn {
    width: 100%;
    min-height: 48px;
    padding-inline: 20px;
  }

  .htm-vision__inner {
    grid-template-columns: 1fr;
    gap: clamp(32px, 6vw, 44px);
  }

  .htm-vision__media {
    order: -1;
  }

  .htm-vision__content {
    align-items: center;
    text-align: center;
  }

  .htm-vision__title {
    max-width: none;
  }

  .htm-vision__text {
    max-width: 40rem;
  }

  .htm-vision__cta {
    align-self: center;
  }

  .section {
    width: min(var(--container), calc(100% - 32px));
  }

  .services-grid {
    grid-template-columns: 1fr;
    max-width: none;
    width: 100%;
    gap: clamp(32px, 8vw, 40px);
  }

  .service-card__media {
    aspect-ratio: 16 / 11;
  }

  .intro-points {
    grid-template-columns: 1fr;
    max-width: none;
    gap: clamp(24px, 6vw, 32px);
  }

  .intro-point {
    flex-direction: column;
    align-items: flex-start;
  }

  .realisations-grid {
    grid-template-columns: 1fr;
    gap: clamp(16px, 4vw, 20px);
  }

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

  .realisation-item {
    width: 100%;
    transition-duration: 0.35s;
  }

  .realisation-item img {
    transition-duration: 0.4s;
  }

  .contact-inner {
    max-width: 100%;
    width: 100%;
  }

  .contact-layout {
    gap: clamp(32px, 8vw, 40px);
  }

  .contact-line {
    margin-bottom: 16px;
  }

  .contact-line a {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: 6px 0;
  }

  .contact-form__submit {
    width: 100%;
    align-self: stretch;
    justify-content: center;
    min-height: 48px;
    margin-top: clamp(12px, 3vw, 16px);
  }

  .contact-field__control {
    font-size: 16px;
  }

  .galerie-tabs {
    gap: 10px;
  }

  .galerie-tabs__link {
    min-height: 44px;
    padding-inline: 14px;
  }

  .service-card__gallery {
    min-height: 44px;
    align-items: center;
  }

  .site-footer__main {
    grid-template-columns: 1fr;
    gap: clamp(36px, 6vw, 48px);
    text-align: center;
  }

  .site-footer__brand,
  .site-footer__nav,
  .site-footer__contact {
    justify-self: center;
  }

  .site-footer__tagline {
    max-width: none;
  }

  .site-footer__contact {
    text-align: center;
  }

  .site-footer__nav a {
    min-height: 44px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}

@media (max-width: 390px) {
  :root {
    --hero-logo-w: clamp(52px, 14vw, 68px);
  }

  .site-header {
    padding: 10px 14px;
    gap: 6px;
  }

  .header-cta {
    max-width: 88px;
    min-height: 44px;
    font-size: 0.4375rem;
  }

  .brand-logo {
    max-width: min(108px, 38vw);
  }
}

@media (max-width: 480px) {
  :root {
    --hero-logo-w: clamp(60px, 16vw, 76px);
    --hero-title-size: clamp(1.625rem, 7.5vw, 2rem);
    --hero-intro-max: 20rem;
  }

  .header-cta {
    max-width: 92px;
    padding: 6px 8px;
    font-size: 0.4375rem;
  }

  .realisations-grid {
    gap: 14px;
  }
}

@media (max-width: 430px) {
  :root {
    --hero-logo-w: clamp(56px, 15vw, 72px);
    --hero-title-max: 12em;
  }

  .site-header {
    padding: 10px 12px;
    gap: 6px;
  }

  .header-cta {
    max-width: 84px;
    min-height: 44px;
    font-size: 0.40625rem;
  }

  .nav-toggle {
    width: 38px;
    height: 38px;
  }

  .section {
    width: min(var(--container), calc(100% - 24px));
  }
}

@media (max-width: 320px) {
  :root {
    --hero-logo-w: clamp(48px, 15vw, 64px);
    --hero-title-size: clamp(1.5rem, 8vw, 1.75rem);
  }

  .header-cta {
    max-width: 76px;
    min-height: 44px;
    letter-spacing: 0.05em;
  }
}