/* ==========================================================================
   Responsive — démo 1 « Luxe sobre »
   - ≤ 1180px : desktop compact
   - ≤ 1024px : tablette (menu plein écran, compositions empilées)
   - ≤ 767px  : mobile
   ========================================================================== */

@media (max-width: 1180px) {
  .main-nav__list {
    gap: 20px;
  }

  .site-header__actions .link-line {
    display: none;
  }

  .offer__title {
    min-height: 3.4em;
  }

  .offer__text {
    min-height: 12em;
  }
}

/* --------------------------------------------------------------------------
   Tablette
   -------------------------------------------------------------------------- */
@media (max-width: 1024px) {
  :root {
    --header-height: 76px;
    --header-height-scrolled: 64px;
  }

  .site-header__inner {
    display: flex;
    justify-content: space-between;
  }

  .site-header__logo,
  .site-header.is-scrolled .site-header__logo {
    position: relative;
    z-index: 2;
    width: 148px;
  }

  .nav-toggle {
    display: block;
    z-index: 2;
  }

  /* Menu plein écran, fond lin, liens en serif */
  .site-header__menu {
    position: fixed;
    inset: 0;
    z-index: 1;
    display: flex;
    flex-direction: column;
    padding: calc(var(--header-height) + 40px) var(--gutter) 40px;
    overflow-y: auto;
    background-color: var(--color-surface);
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.5s var(--ease-soft), visibility 0.5s var(--ease-soft);
  }

  .site-header.is-open .site-header__menu {
    opacity: 1;
    visibility: visible;
  }

  .site-header.is-open {
    border-bottom-color: var(--color-line);
    background-color: var(--color-surface);
  }

  .main-nav__list {
    flex-direction: column;
    align-items: stretch;
    gap: 0;
  }

  .main-nav__list li {
    border-bottom: 1px solid var(--color-line);
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.6s var(--ease), transform 0.7s var(--ease);
  }

  .site-header.is-open .main-nav__list li {
    opacity: 1;
    transform: none;
  }

  .site-header.is-open .main-nav__list li:nth-child(2) { transition-delay: 60ms; }
  .site-header.is-open .main-nav__list li:nth-child(3) { transition-delay: 120ms; }
  .site-header.is-open .main-nav__list li:nth-child(4) { transition-delay: 180ms; }

  .main-nav__link {
    padding-block: 16px;
    font-family: var(--font-heading);
    font-size: clamp(2rem, 6.5vw, 2.8rem);
    font-weight: 400;
    line-height: 1.15;
  }

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

  .main-nav__link[aria-current="page"] {
    font-style: italic;
    color: var(--color-secondary);
  }

  .site-header__actions {
    flex-direction: column;
    align-items: stretch;
    gap: 16px;
    margin-top: 40px;
  }

  .site-header__actions .link-line {
    display: none;
  }

  .site-header__actions .btn {
    width: 100%;
  }

  .site-header__menu-footer {
    display: block;
    margin-top: auto;
    padding-top: 40px;
    font-size: var(--fs-small);
    line-height: 1.9;
    color: var(--color-muted);
  }

  .site-header__menu-footer a {
    color: var(--color-text);
  }

  .hero__grid,
  .page-hero__head,
  .section-head,
  .closing__inner {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .stack__panel {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.9fr);
  }

  .journey__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 48px;
  }

  .journey__track,
  .journey__fill,
  .journey__dot {
    display: none;
  }

  .journey {
    padding-top: 0;
  }

  .journey__step {
    padding-top: 24px;
    border-top: 1px solid var(--color-line-strong);
  }

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

  .services__panels {
    position: static;
  }

  .vision,
  .faq,
  .contact,
  .register-intro,
  .voices {
    grid-template-columns: minmax(0, 1fr);
  }

  .vision__aside,
  .faq__aside,
  .contact__card,
  .voice--main {
    position: static;
  }

  .voice--main {
    grid-row: auto;
  }

  .offers {
    grid-template-columns: minmax(0, 1fr);
    max-width: 640px;
  }

  .offer__title,
  .offer__text {
    min-height: 0;
  }

  .site-footer__top {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .site-footer__brand {
    grid-column: 1 / -1;
  }
}

/* --------------------------------------------------------------------------
   Mobile
   -------------------------------------------------------------------------- */
@media (max-width: 767px) {
  :root {
    --fs-body: 1rem;
    --fs-hero: clamp(2.7rem, 12vw, 3.6rem);
    --fs-h1: clamp(2.6rem, 11vw, 3.3rem);
    --fs-h2: clamp(2.1rem, 9vw, 2.8rem);
    --fs-statement: clamp(1.6rem, 7vw, 2.1rem);
    --section-space: clamp(72px, 18vw, 96px);
    --section-space-sm: clamp(56px, 14vw, 72px);
  }

  .btn {
    width: 100%;
  }

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

  /* Hero : effet d'élargissement plus court */
  .hero {
    height: 130svh;
  }

  .hero__content {
    bottom: 48px;
  }

  /* Le texte reste à l'intérieur du cadre arrondi avant élargissement */
  .hero__content .container {
    padding-inline: calc(var(--gutter) + 18px);
  }

  .hero__aside p {
    margin-bottom: 22px;
  }

  .hero__scroll {
    display: none;
  }

  .page-hero__media {
    height: auto;
    aspect-ratio: 4 / 5;
  }

  .figures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    row-gap: 32px;
  }

  /* Panneaux empilés : image au-dessus du texte */
  .stack__panel {
    position: relative;
    top: auto;
    grid-template-columns: minmax(0, 1fr);
    min-height: 0;
    transform: none;
  }

  .stack__media {
    order: -1;
    aspect-ratio: 4 / 3;
  }

  .stack__body {
    gap: 24px;
    padding: 24px 22px 32px;
  }

  .journey__list {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 36px;
  }

  .services__tab {
    grid-template-columns: 36px 1fr auto;
    padding: 18px 0;
  }

  .services__media {
    aspect-ratio: 4 / 3;
  }

  .gallery__controls {
    justify-content: flex-start;
  }

  .story,
  .story:nth-child(even) {
    width: 78vw;
    margin-top: 0;
  }

  .offer:hover {
    transform: none;
  }

  .accordion__trigger {
    padding: 22px 0;
  }

  .accordion__content {
    padding-right: 0;
  }

  .form__grid {
    grid-template-columns: minmax(0, 1fr);
    gap: 22px;
  }

  .registration__section {
    padding: 24px 18px;
  }

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

  .registration__number {
    grid-row: auto;
  }

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

  .progress__label {
    display: none;
  }

  .site-footer__top {
    grid-template-columns: 1fr 1fr;
    gap: 40px 24px;
  }

  .site-footer__bottom {
    flex-direction: column;
  }
}

@media (max-width: 400px) {
  .site-footer__top {
    grid-template-columns: 1fr;
  }
}