/* ==========================================================================
   M-It LevelUP — Adaptation aux écrans (responsive)
   Points de rupture : 1440 · 1240 · 1180 · 980 · 860 · 720 · 640 · 480 · 380 · 360
   ========================================================================== */

/* Sécurité anti-débordement universelle */
html, body {
  max-width: 100vw;
  overflow-x: hidden;
}

@media (min-width: 1600px) {
  :root { --container: 1320px; }
  body { font-size: 18px; }
}

@media (max-width: 1320px) {
  .nav__list { gap: 16px; }
  .nav__link { font-size: .86rem; }
}

@media (max-width: 1240px) {
  .float-chip--tl { left: -10px; }
  .float-chip--br { right: -6px; }
  .float-chip--bl { left: -8px; }
  .float-chip--tr { right: -6px; }
}

/* Navigation compacte ---------------------------------------------------- */
@media (max-width: 1180px) {
  .nav { display: none; }
  .burger { display: inline-block; }
  .header__inner { gap: 16px; }
}

/* Tablette paysage ------------------------------------------------------- */
@media (max-width: 1100px) {
  .dash { min-height: 400px; }
  .app { grid-template-columns: 150px minmax(0, 1fr); }
  .app__kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (max-width: 980px) {
  :root { --header-h: 72px; }

  .slide { grid-template-columns: minmax(0, 1fr); gap: 40px; }
  .slide__visual { max-width: 640px; width: 100%; margin-inline: auto; }
  .slide__content { max-width: 680px; }

  .section-head--split { grid-template-columns: minmax(0, 1fr); gap: 20px; }

  .growth { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .gblock--a, .gblock--b, .gblock--c, .gblock--d { grid-column: span 1; }

  .ba { grid-template-columns: minmax(0, 1fr); }
  .ba__stage { max-width: 720px; width: 100%; margin-inline: auto; }

  .why__wrap { grid-template-columns: minmax(0, 1fr); }
  .why__head { position: static; }

  .work-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .work-grid--feature .work-card:first-child { grid-column: 1 / -1; }

  .founder { grid-template-columns: minmax(0, 1fr); }
  .founder__media { max-width: 400px; }

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

  .footer__grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .footer__brand { grid-column: 1 / -1; }

  .page-hero__wrap { grid-template-columns: minmax(0, 1fr); }
  .page-hero__visual { max-width: 640px; width: 100%; margin-inline: auto; }

  .cards-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dcard--wide { grid-column: 1 / -1; }

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

  .pillars { grid-template-columns: minmax(0, 1fr); }
  .values { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .value, .value:nth-child(4), .value:nth-child(5) { grid-column: span 1; }
  .value:nth-child(5) { grid-column: 1 / -1; }

  .xp { grid-template-columns: 70px minmax(0, 1fr) 56px; gap: 20px 24px; }
  .xp__tags { grid-column: 2 / 3; grid-row: 2; }
  .xp__go { grid-column: 3; grid-row: 1 / span 2; }
  .xp__num { font-size: 2.4rem; }
}

@media (max-width: 900px) {
  .process { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 24px; }
  .process__track { display: none; }
  .benefits { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cta-band { grid-template-columns: minmax(0, 1fr); }
  .cta-band .btn-row { justify-content: flex-start; }
}

@media (max-width: 820px) {
  .usecase { grid-template-columns: minmax(0, 1fr); }
  .usecase__cell { border-right: 0; border-bottom: 1px solid var(--line-2); }
  .usecase__cell:last-child { border-bottom: 0; }
}

/* Tablette portrait / grands mobiles ------------------------------------ */
@media (max-width: 720px) {
  body { font-size: 16px; }

  .growth { grid-template-columns: minmax(0, 1fr); }
  .gblock__visual { height: 230px; }
  .gblock__body { padding: 24px 22px 24px; }

  .app { grid-template-columns: minmax(0, 1fr); }
  .app__side { display: flex; overflow-x: auto; gap: 4px; padding: 10px; align-items: center; }
  .app__brand { padding: 0 10px 0 4px; flex: 0 0 auto; }
  .app__nav { width: auto; flex: 0 0 auto; white-space: nowrap; }
  .app__nav[aria-selected="true"] { box-shadow: inset 0 -2px 0 var(--red); }
  .app__grid2 { grid-template-columns: minmax(0, 1fr); }
  .app__main { padding: 14px; }

  .wdemo .win__body { grid-template-columns: minmax(0, 1fr); }
  .wdemo .win__tree { display: flex; overflow-x: auto; border-right: 0; border-bottom: 1px solid var(--line-2); padding: 6px; }
  .wdemo .win__tree-h { display: none; }
  .wdemo .win__node { width: auto; flex: 0 0 auto; white-space: nowrap; }
  .wform { grid-template-columns: 1fr 1fr; }
  .wform label:first-child { grid-column: 1 / -1; }
  .winv { grid-template-columns: minmax(0, 1fr); }
  .win__menu span:nth-child(n+5) { display: none; }

  .xp { grid-template-columns: minmax(0, 1fr) 52px; padding: 32px 4px; }
  .xp__num { grid-column: 1 / -1; font-size: 2rem; }
  .xp__tags { grid-column: 1 / -1; grid-row: auto; }
  .xp__go { grid-column: 2; grid-row: 2; width: 52px; height: 52px; }
}

/* Mobiles ---------------------------------------------------------------- */
@media (max-width: 640px) {
  .header__cta { display: none; }

  .hero { padding-top: calc(var(--header-h) + 24px); }
  .slide__list { margin-bottom: 26px; }
  .slider__controls { flex-wrap: wrap; gap: 10px; }
  .slider__dots { order: -1; flex-basis: 100%; gap: 10px; }
  .slider__dot-label span { display: none; }
  .slider__toggle { margin-left: auto; }

  .float-chip { display: none; }

  .devices { height: 310px; }
  .showcase .devices { height: 300px; }
  .device--phone { min-width: 70px; }

  .work-grid { grid-template-columns: minmax(0, 1fr); }
  .work-empty { grid-template-columns: minmax(0, 1fr); padding: 28px 24px; gap: 16px; }

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

  .footer__grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 36px 24px; }
  .footer__bottom { padding-bottom: 96px; }

  .values { grid-template-columns: minmax(0, 1fr); }
  .value:nth-child(5) { grid-column: auto; }

  .wa { right: 16px; bottom: 16px; }
  .wa__btn { width: 54px; height: 54px; }
  .wa__btn svg { width: 27px; height: 27px; }
  .wa__tip { display: none; }
  .wa__dev { width: min(290px, calc(100vw - 32px)); bottom: 66px; }

  .ba__stage { height: 420px; }
  .ba-item__before { padding: 8px 9px; gap: 7px; font-size: .64rem; }
  .ba-item__before svg { width: 20px; height: 20px; }
  .ba-item .ba-item__before, .ba-item .ba-item__after { min-height: 66px; }
  .ba__stage[data-state="after"] .ba-item { width: calc((100% - 32px - 16px - 16px) / 3); }
  .ba__stage[data-state="after"] .ba-item--1 { transform: translate(24px, 80px); }
  .ba__stage[data-state="after"] .ba-item--2 { transform: translate(calc(24px + 100% + 8px), 80px); }
  .ba__stage[data-state="after"] .ba-item--3 { transform: translate(calc(24px + 200% + 16px), 80px); }
  .ba__stage[data-state="after"] .ba-item--4 { transform: translate(24px, 158px); }
  .ba__stage[data-state="after"] .ba-item--5 { transform: translate(calc(24px + 100% + 8px), 158px); }
  .ba__stage[data-state="after"] .ba-item--6 { transform: translate(calc(24px + 200% + 16px), 158px); }
  .ba__frame { inset: 14px; }
  .ba__frame-side { display: none; }
  .ba-extra--chart { left: 24px; right: 24px; top: 240px; height: 150px; }
  .ba-item__after { padding: 8px; }
  .ba-item__after strong { font-size: .86rem; }
  .ba-extra--notif { left: 30%; }
  .sticky { width: 104px; font-size: .62rem; }

  .demo-badge { font-size: .6rem; }
  .tabs { flex-wrap: nowrap; overflow-x: auto; }
  .tab { flex: 0 0 auto; }
  .search-mini { min-width: 0; width: 100%; }

  .founder__offset { inset: 8px 0 -8px 8px; }
  .founder__corner--br { right: -6px; bottom: -6px; }
  .founder__badge { left: 14px; bottom: 14px; }

  .intro__mark { display: none; }
}

@media (max-width: 560px) {
  .form-grid { grid-template-columns: minmax(0, 1fr); }
  .process { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .pstep { display: grid; grid-template-columns: 56px minmax(0, 1fr); gap: 0 18px; padding: 0 0 30px; }
  .pstep__n { margin-bottom: 0; grid-row: span 2; }
  .pstep::before { content: ""; position: absolute; left: 27px; top: 60px; bottom: 4px; width: 2px; background: var(--line); }
  .pstep:last-child::before { display: none; }
  .pstep.is-on::before { background: var(--red-30); }
  .benefits { grid-template-columns: minmax(0, 1fr); }
  .btn-row .btn { flex: 1 1 auto; }
  .ba__switch { display: grid; width: 100%; }
  .ba__opt { padding: 11px 10px; font-size: .88rem; }
  .type { font-size: .94rem; padding: 10px 16px 10px 10px; }
}

@media (max-width: 520px) {
  .dash { grid-template-columns: minmax(0, 1fr); min-height: 0; }
  .dash__side { display: none; }
  .dash__main { padding: 12px; }
  .dash__row { grid-template-columns: minmax(0, 1fr); }
  .dash__row .panel:last-child { display: none; }
  .dash__kpis { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .dash__kpis .kpi:last-child { grid-column: 1 / -1; }
  .kpi { padding: 8px; }
  .kpi__value { font-size: .95rem; }
  .win__body { grid-template-columns: minmax(0, 1fr); }
  .win__tree { display: none; }
  .wdemo .win__tree { display: flex; }
  .win__table .hide-sm { display: none; }
  .win__search { display: none; }
  .win__cards { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .mock__url { display: none; }
}

@media (max-width: 480px) {
  .burger { width: 42px; height: 42px; }
  .burger span { width: 16px; margin-left: -8px; }
  .burger span:nth-child(2) { width: 10px; }
  .slide__list { grid-template-columns: minmax(0, 1fr); }
  .footer__grid { grid-template-columns: minmax(0, 1fr); }
  .devices { height: 250px; }
  .showcase .devices { height: 250px; }
  .work-ph__name { font-size: 1.35rem; }
  .cats { grid-template-columns: repeat(2, 1fr); grid-template-rows: auto; }
  .cat:nth-child(n+6) { display: none; }
  .compare { inset: 14px; gap: 10px; }
  .compare__step { font-size: .5rem; }
  .flow { padding: 0 3%; }
  .flow__node { width: 30%; padding: 7px; }
  .intro__caption { font-size: 1.45rem; }

  /* Sécurisation interactive mobile */
  .founder__offset, .founder__corner { display: none; }
  .pos-catalog { grid-template-columns: minmax(0, 1fr); }
  .hotel-room-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .app__tablewrap { overflow-x: auto; -webkit-overflow-scrolling: touch; width: 100%; }
  .app__tablewrap table { min-width: 520px; }
  .tabs { gap: 6px; padding-bottom: 6px; }
  .tab { padding: 8px 12px; font-size: .78rem; }
  .roi-result strong { font-size: 1.5rem; word-break: break-all; }
  .roi-inputs { gap: 12px; }
  .pos-btn { padding: 10px 12px; }
  .pos-btn span { font-size: .82rem; }
  .med-layout, .garage-layout { grid-template-columns: minmax(0, 1fr); }
  .or-paper, .med-rx, .pos-ticket-paper { padding: 12px; }
}

@media (max-width: 400px) {
  .dash__kpis { grid-template-columns: minmax(0, 1fr); }
  .dash__kpis .kpi:last-child { grid-column: auto; }
}

@media (max-width: 380px) {
  .logo__name { font-size: 1.22rem; }
  .logo__tag { font-size: .5rem; letter-spacing: .28em; }
  .btn { padding: 0 20px; }
  .display { font-size: 2.15rem; }
}

@media (max-width: 360px) {
  :root { --gutter: 14px; }
  .hotel-room-grid { grid-template-columns: minmax(0, 1fr); }
  .logo__name { font-size: 1.12rem; }
  .logo__tag { font-size: .46rem; letter-spacing: .22em; }
  .btn { padding: 0 16px; font-size: .82rem; }
  .display { font-size: 1.95rem; }
  .title { font-size: 1.75rem; }
}

/* Appareils tactiles : pas d'effets de survol « collants » ---------------- */
@media (hover: none) {
  .gblock:hover, .dcard:hover, .work-card:hover, .pillar:hover, .type:hover { transform: none; }
  .gblock:hover { box-shadow: none; border-color: var(--line); }
  .gblock.is-active { box-shadow: var(--shadow); }
}

/* Impression ------------------------------------------------------------- */
@media print {
  .site-header, .wa, .intro, .hero__bg, .mobile-menu, .slider__controls { display: none !important; }
  .slide { visibility: visible !important; position: static; }
  .js .reveal { opacity: 1; transform: none; }
  body { padding: 0; }
}