/* ============================================================
   LESSIVIA — Home editorial (implémentation de accueil.dc.html)
   Système isolé : Archivo + IBM Plex Mono, coins nets, neutres chauds.
   N'impacte pas site.css (utilisé par les autres pages).
   ============================================================ */

:root {
  --ink:#0E1526;          /* navy-black */
  --navy:#0B2A6B;
  --navy-deep:#061B47;
  --navy-light:#12327E;
  --navy-mid:#1E4BB8;     /* brighter navy for living gradients */
  --navy-elec:#2C55D4;    /* electric blue, aurora highlight */
  --red:#E30613;
  --red-dark:#B00510;
  --paper:#F4F6FA;        /* cool light */
  --paper-2:#EAEEF6;
  --line:#E2E7F1;
  --line-warm:#D3DAE8;    /* (cool border, kept name) */
  --muted:#5A6478;
  --muted-2:#8891A3;
  --muted-3:#8891A3;
  --faint:#AAB2C2;
  --white:#FFFFFF;

  --r:16px;               /* rounded containers */
  --r-sm:12px;
  --r-pill:999px;         /* interactive = pill */
  --wrap:1440px;
  --pad:clamp(16px, 3vw, 40px);
  --mono:'Montserrat', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --sans:'Montserrat', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --display:'Montserrat', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --ease:cubic-bezier(0.16, 1, 0.3, 1);
}

*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--white);
  line-height: 1.55;
  font-variant-numeric: tabular-nums;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}
a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
h1, h2, h3, h4 { margin: 0; }
p { margin: 0; text-align: justify; -webkit-hyphens: auto; hyphens: auto; }
ul { margin: 0; padding: 0; list-style: none; }
button { font: inherit; cursor: pointer; }

/* Browser surfaces themed */
::selection { background: var(--red); color: var(--white); }
::-webkit-scrollbar { width: 12px; height: 12px; background: var(--paper); }
::-webkit-scrollbar-thumb { background: var(--ink); border: 3px solid var(--paper); border-radius: 999px; }
* { scrollbar-color: var(--ink) var(--paper); }
:focus-visible { outline: 2px solid var(--red); outline-offset: 3px; }

/* Layout */
.wrap { width: 100%; max-width: var(--wrap); margin-inline: auto; padding-inline: var(--pad); }

/* ---------- Header / Nav ---------- */
.hdr {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.hdr__inner {
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px clamp(12px, 2vw, 32px);
  min-height: 76px; padding-block: 10px;
}
.brand { display: inline-flex; align-items: center; font-style: italic; font-weight: 700; font-size: 1.25rem; letter-spacing: -0.02em; color: var(--ink); }
.brand span { color: var(--red); }
.brand__img { height: 34px; width: auto; }

.nav {
  display: flex; align-items: center; gap: clamp(12px, 2vw, 32px);
  font-family: var(--mono); font-size: 11px;
  letter-spacing: clamp(0.06em, 0.6vw, 0.16em); text-transform: uppercase;
}
.nav a { position: relative; color: var(--muted-2); padding-bottom: 3px; transition: color 180ms var(--ease); }
.nav a::after {
  content: ''; position: absolute; left: 0; right: 0; bottom: 0; height: 1px;
  background: var(--red);
  opacity: 0; transform: scaleX(0); transform-origin: left;
  transition: transform 320ms var(--ease), opacity 200ms;
}
.nav a:hover { color: var(--ink); }
.nav a:hover::after { opacity: 0.5; transform: scaleX(1); }
.nav a.is-active { color: var(--ink); }
.nav a.is-active::after { opacity: 1; transform: scaleX(1); }

/* Nav dropdown ("Produits") */
.navdrop { position: relative; display: inline-flex; align-items: center; }
.navdrop > summary {
  position: relative;
  list-style: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--muted-2); padding-bottom: 3px;
  transition: color 180ms var(--ease);
}
.navdrop > summary::-webkit-details-marker { display: none; }
.navdrop > summary::marker { content: ''; }
.navdrop > summary::after {
  content: ''; position: absolute; left: 0; right: 16px; bottom: 0; height: 1px;
  background: var(--red);
  opacity: 0; transform: scaleX(0); transform-origin: left;
  transition: transform 320ms var(--ease), opacity 200ms;
}
.navdrop:hover > summary, .navdrop[open] > summary { color: var(--ink); }
.navdrop:hover > summary::after, .navdrop[open] > summary::after { opacity: 0.5; transform: scaleX(1); }
.navdrop.is-active > summary { color: var(--ink); }
.navdrop.is-active > summary::after { opacity: 1; transform: scaleX(1); }
.navdrop__chevron { width: 10px; height: 10px; flex: 0 0 auto; transition: transform 200ms var(--ease); }
.navdrop[open] .navdrop__chevron { transform: rotate(180deg); }
.navdrop__menu {
  position: absolute; left: 0; top: calc(100% + 16px); z-index: 60;
  min-width: 208px; padding: 8px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-sm);
  box-shadow: 0 16px 40px rgba(14,21,38,0.16);
  display: grid; gap: 2px;
}
.navdrop__menu a {
  display: block; padding: 11px 12px; border-radius: 8px;
  color: var(--ink); border: 0;
  font-size: 13px; letter-spacing: 0; text-transform: none;
}
.navdrop__menu a::after { content: none; }
.navdrop__menu a:hover { background: var(--paper); color: var(--ink); }

.actions { display: flex; align-items: center; gap: clamp(10px, 1.5vw, 20px); }
.lang { display: inline-flex; align-items: center; gap: 8px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.12em; }
.lang a { color: var(--muted-2); transition: color 180ms var(--ease); }
.lang a:hover { color: var(--ink); }
.lang a.is-lang-active { color: var(--ink); }
.lang span { color: var(--faint); }

/* Language toggle as a flag (current language shown; click switches) */
.lang-flag {
  display: inline-flex; align-items: center;
  height: 22px; border-radius: 4px; overflow: hidden;
  border: 1px solid var(--line);
  box-shadow: 0 1px 2px rgba(14,21,38,0.12);
  transition: transform 160ms var(--ease), box-shadow 200ms var(--ease);
}
.lang-flag img { height: 100%; width: auto; display: block; }
.lang-flag:hover { transform: translateY(-1px); box-shadow: 0 5px 14px rgba(14,21,38,0.22); }

/* Language dropdown (native <details>) */
.lang-select { position: relative; }
.lang-select > summary {
  list-style: none; cursor: pointer;
  display: inline-flex; align-items: center; gap: 7px;
}
.lang-select > summary::-webkit-details-marker { display: none; }
.lang-select > summary::marker { content: ''; }
.lang-select__chevron { width: 11px; height: 11px; color: var(--muted-2); transition: transform 220ms var(--ease); }
.lang-select[open] .lang-select__chevron { transform: rotate(180deg); }
.lang-select__menu {
  position: absolute; top: calc(100% + 10px); right: 0; z-index: 60;
  min-width: 148px; padding: 6px;
  background: var(--white); border: 1px solid var(--line); border-radius: var(--r-sm);
  box-shadow: 0 14px 34px rgba(14,21,38,0.18);
}
.lang-select__item {
  display: flex; align-items: center; gap: 10px; padding: 9px 10px; border-radius: 8px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--ink);
  transition: background 160ms var(--ease);
}
.lang-select__item img { height: 15px; width: auto; border-radius: 2px; border: 1px solid var(--line); display: block; }
.lang-select__item:hover { background: var(--paper); }

/* Buttons */
.btn {
  display: inline-flex; align-items: center; gap: 12px;
  border-radius: var(--r-pill);
  font-weight: 600; font-size: 0.9rem;
  border: 1px solid transparent;
  transition: background 180ms var(--ease), color 180ms var(--ease), border-color 180ms var(--ease), transform 120ms var(--ease), box-shadow 200ms var(--ease);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-1px); }
.btn:active { transform: translateY(1px); }
.btn svg { width: 15px; height: 15px; }
.btn--red { background: var(--red); color: var(--white); padding: 17px 26px; }
.btn--red:hover { background: var(--red-dark); box-shadow: 0 6px 20px rgba(227,6,19,0.34); }
.btn--white { background: var(--white); color: var(--navy); padding: 17px 26px; }
.btn--white:hover { background: var(--paper); box-shadow: 0 6px 22px rgba(255,255,255,0.28); }
.btn--ghost { border-color: rgba(255,255,255,0.3); color: var(--white); padding: 17px 26px; }
.btn--ghost:hover { background: rgba(255,255,255,0.1); border-color: rgba(255,255,255,0.5); box-shadow: 0 6px 22px rgba(255,255,255,0.14); }
.btn--nav {
  background: var(--red); color: var(--white);
  padding: 11px clamp(12px, 1.4vw, 18px);
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 500;
}
.btn--nav:hover { background: var(--red-dark); box-shadow: 0 4px 16px rgba(227,6,19,0.4); }
.btn__arrow { transition: transform 200ms var(--ease); }
.btn:hover .btn__arrow { transform: translateX(3px); }

/* Hamburger + drawer (mobile) */
.burger {
  display: none;
  width: 44px; height: 44px; align-items: center; justify-content: center;
  background: transparent; border: 1px solid var(--line); border-radius: var(--r);
}
.burger svg { width: 22px; height: 22px; stroke: var(--ink); }
.drawer { position: fixed; inset: 0; z-index: 50; background: rgba(6,27,71,0.6); backdrop-filter: blur(6px); display: none; }
.drawer.is-open { display: block; }
.drawer__panel { position: absolute; inset-inline: 12px; top: 12px; background: var(--white); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; }
.drawer__head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }
.drawer__list { display: grid; gap: 2px; margin-top: 8px; font-family: var(--mono); font-size: 12px; letter-spacing: 0.1em; text-transform: uppercase; }
.drawer__list a { display: block; padding: 14px 8px; color: var(--ink); border-bottom: 1px solid var(--line); }
/* Mobile drawer: "Produits" group (accordion, mirrors desktop dropdown) */
.drawer__group > summary {
  list-style: none; cursor: pointer;
  display: flex; align-items: center; justify-content: space-between; gap: 10px;
  padding: 14px 8px; color: var(--ink); border-bottom: 1px solid var(--line);
}
.drawer__group > summary::-webkit-details-marker { display: none; }
.drawer__group > summary::marker { content: ''; }
.drawer__group-chevron { width: 13px; height: 13px; color: var(--muted); flex: none; transition: transform 220ms var(--ease); }
.drawer__group[open] .drawer__group-chevron { transform: rotate(180deg); }
.drawer__group-menu a { padding-left: 26px; color: var(--muted); }
.drawer__foot { margin-top: 16px; display: flex; align-items: center; justify-content: space-between; gap: 12px; }

/* ---------- Hero (living aurora) ---------- */
.hero {
  position: relative; overflow: hidden; isolation: isolate;
  background: var(--navy-deep); color: var(--white);
}
/* Base moving gradient */
.hero__bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(60% 90% at 18% 20%, rgba(44,85,212,0.55), transparent 60%),
    radial-gradient(55% 80% at 85% 15%, rgba(30,75,184,0.50), transparent 62%),
    radial-gradient(50% 70% at 75% 95%, rgba(227,6,19,0.50), transparent 60%),
    linear-gradient(125deg, var(--navy-deep) 0%, var(--navy) 55%, var(--navy-light) 100%);
  background-size: 200% 200%, 200% 200%, 200% 200%, 100% 100%;
  animation: lv-aurora 13s ease-in-out infinite;
}
/* Drifting blobs for extra life */
.hero__bg::before, .hero__bg::after {
  content: ''; position: absolute; border-radius: 50%;
  filter: blur(70px); opacity: 0.68; pointer-events: none;
}
.hero__bg::before {
  width: 46vw; height: 46vw; left: -8vw; top: -12vw;
  background: radial-gradient(circle, var(--navy-elec), transparent 68%);
  animation: lv-drift-a 15s ease-in-out infinite;
}
.hero__bg::after {
  width: 40vw; height: 40vw; right: -10vw; bottom: -14vw;
  background: radial-gradient(circle, rgba(227,6,19,0.5), transparent 70%);
  animation: lv-drift-b 19s ease-in-out infinite;
}
/* Resting look (0%/100%) unchanged; the 50% state travels wider so the motion reads */
@keyframes lv-aurora {
  0%   { background-position: 0% 0%, 100% 0%, 50% 100%, 0 0; }
  50%  { background-position: 90% 55%, 10% 70%, 95% 25%, 0 0; }
  100% { background-position: 0% 0%, 100% 0%, 50% 100%, 0 0; }
}
@keyframes lv-drift-a {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(20%, 14%) scale(1.22); }
}
@keyframes lv-drift-b {
  0%,100% { transform: translate(0,0) scale(1); }
  50%     { transform: translate(-18%, -13%) scale(1.26); }
}
.hero__grid {
  position: relative; z-index: 2;
  display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center;
  min-height: 640px;
}
.hero__text { padding-block: clamp(72px, 9vw, 112px); }
.eyebrow {
  display: inline-flex; align-items: center; gap: 12px;
  font-family: var(--mono); font-size: 10px; letter-spacing: 0.24em; text-transform: uppercase;
  color: rgba(255,255,255,0.75);
}
.eyebrow::before { content: ''; width: 20px; height: 1px; background: var(--red); }
.hero__title {
  margin-top: 26px;
  font-size: clamp(2.8rem, 3.6vw + 1rem, 5rem);
  font-weight: 700; line-height: 0.98; letter-spacing: -0.04em; text-transform: uppercase;
}
.hero__lead { margin-top: 30px; max-width: 42ch; font-size: 1.075rem; color: rgba(255,255,255,0.74); line-height: 1.6; }
.hero__ctas { margin-top: 38px; display: flex; flex-wrap: wrap; gap: 12px; }
.hero__media {
  position: relative; align-self: center; overflow: visible;
  display: flex; align-items: center; justify-content: center;
}
.hero__pack {
  position: relative; inset: auto;
  width: calc(100% + 300px); max-width: none; height: auto;
  margin-left: -150px; margin-right: -150px;
  object-fit: contain;
  border-radius: 30px;
  transform: scale(1.1);
  filter: drop-shadow(0 34px 60px rgba(0,0,0,0.42));
  /* Fondu latéral : les 2 packs restent nets au centre, les bords se fondent dans le fond */
  -webkit-mask-image:
    linear-gradient(90deg, transparent 0%, #000 23%, #000 77%, transparent 100%),
    linear-gradient(180deg, transparent 0%, #000 20%, #000 82%, transparent 100%);
  -webkit-mask-composite: source-in;
  mask-image:
    linear-gradient(90deg, transparent 0%, #000 23%, #000 77%, transparent 100%),
    linear-gradient(180deg, transparent 0%, #000 20%, #000 82%, transparent 100%);
  mask-composite: intersect;
}
.hero__facts { position: relative; z-index: 2; border-top: 1px solid rgba(255,255,255,0.14); }
.hero__facts-grid { display: grid; grid-template-columns: repeat(3, 1fr); }
.fact { display: flex; flex-direction: column; gap: 4px; padding: 26px 28px; border-left: 1px solid rgba(255,255,255,0.14); }
.fact__label { font-family: var(--mono); font-size: 10px; letter-spacing: 0.2em; text-transform: uppercase; color: rgba(255,255,255,0.45); }
.fact__value { font-size: 1rem; font-weight: 500; color: var(--white); }

/* ---------- Marquee (light) ---------- */
.marquee { background: var(--paper); border-bottom: 1px solid var(--line); overflow: hidden; }
.marquee__track {
  display: flex; gap: 44px; padding-block: 16px; white-space: nowrap; width: max-content;
  animation: lv-marquee 90s linear infinite;
}
.marquee__item {
  display: inline-flex; align-items: center; gap: 14px;
  font-family: var(--mono); font-size: 11px; letter-spacing: 0.2em; text-transform: uppercase; color: var(--muted);
}
.marquee__item::after { content: ''; width: 3px; height: 3px; background: var(--red); flex: 0 0 auto; }
@keyframes lv-marquee { from { transform: translateX(0); } to { transform: translateX(-50%); } }

/* ---------- Section shell ---------- */
.sec { padding-block: clamp(96px, 10vw, 160px); }
.sec--paper { background: var(--paper); }
.sec--tight { padding-block: clamp(64px, 7vw, 104px); }
/* Tighten the join between "entreprise/company" and the offer section */
#entreprise, #company { padding-bottom: clamp(48px, 6vw, 80px); }
#offre, #offer { padding-top: 0; }

/* ---------- Offre ---------- */
.offre__head { display: grid; grid-template-columns: 1fr; gap: 24px; justify-items: start; text-align: left; max-width: 960px; padding-bottom: 52px; }
.offre__title { font-size: clamp(2rem, 2.6vw + 0.8rem, 3.1rem); font-weight: 700; letter-spacing: -0.035em; line-height: 1.06; text-transform: uppercase; max-width: none; }
.offre__meta { display: flex; justify-content: flex-start; }
.offre__figure { font-size: clamp(4.5rem, 7vw, 8rem); font-weight: 700; line-height: 0.8; letter-spacing: -0.06em; color: var(--navy); }
.offre__meta p { color: var(--muted); max-width: 68ch; font-size: clamp(1.05rem, 0.5vw + 0.95rem, 1.2rem); line-height: 1.6; text-wrap: pretty; }
.cats { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.tile {
  position: relative; display: flex; flex-direction: column; justify-content: flex-end;
  min-height: 480px; border-radius: var(--r); overflow: hidden; color: var(--white);
  background: var(--ink); isolation: isolate;
  box-shadow: 0 18px 40px rgba(14, 21, 38, 0.25);
  transition: transform 400ms var(--ease), box-shadow 400ms var(--ease);
}
.tile:hover { transform: translateY(-4px); box-shadow: 0 26px 50px rgba(14, 21, 38, 0.30); }
.tile__img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform 800ms var(--ease); }
.tile:hover .tile__img { transform: scale(1.03); }
.tile__scrim { position: absolute; inset: 0; z-index: -1; background: linear-gradient(180deg, rgba(20,24,28,0.05) 0%, rgba(20,24,28,0.45) 50%, rgba(20,24,28,0.9) 100%); }
.tile__count { position: absolute; left: 28px; top: 26px; font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em; color: rgba(255,255,255,0.75); }
.tile__body { position: relative; padding: 32px 28px 30px; display: flex; flex-direction: column; gap: 10px; }
.tile__title { font-size: clamp(1.7rem, 1.8vw + 1rem, 2.4rem); font-weight: 700; letter-spacing: -0.035em; line-height: 1; text-transform: uppercase; }
.tile__desc { font-size: 0.98rem; color: rgba(255,255,255,0.78); max-width: 40ch; }
.tile__link { margin-top: 14px; display: inline-flex; align-items: center; gap: 10px; font-family: var(--mono); font-size: 11px; letter-spacing: 0.16em; text-transform: uppercase; }
.tile__link svg { width: 14px; height: 14px; transition: transform 200ms var(--ease); }
.tile:hover .tile__link svg { transform: translateX(4px); }

/* ---------- Company intro ---------- */
.intro { max-width: 940px; }
.intro__title {
  margin-top: 18px;
  font-size: clamp(2rem, 2.8vw + 0.7rem, 3.3rem);
  font-weight: 700; letter-spacing: -0.038em; line-height: 1.02; text-transform: uppercase;
}
.intro__lead {
  margin-top: 28px; max-width: 66ch;
  font-size: clamp(1.05rem, 0.5vw + 0.95rem, 1.2rem); line-height: 1.65; color: var(--muted);
}
.feats {
  margin-top: clamp(48px, 6vw, 72px);
  display: grid; grid-template-columns: 1fr; gap: 44px;
}
@media (min-width: 800px) { .feats { grid-template-columns: repeat(3, 1fr); gap: clamp(32px, 4vw, 56px); } }
.feat { display: flex; flex-direction: column; align-items: flex-start; }
.feat__icon { width: 72px; height: 72px; margin-bottom: 22px; }
.feat__icon img { width: 100%; height: 100%; object-fit: contain; }
.feat__title {
  position: relative; padding-bottom: 12px;
  font-size: 1.2rem; font-weight: 700; letter-spacing: -0.01em; text-transform: uppercase; color: var(--ink);
}
.feat__title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 34px; height: 2px; background: var(--red); }
.feat__body { margin-top: 16px; color: var(--muted); font-size: 1rem; line-height: 1.6; }
.feat__cta { margin-top: 22px; }

/* Outline button for light surfaces */
.btn--outline { background: transparent; color: var(--navy); border-color: rgba(11,42,107,0.35); padding: 15px 24px; }
.btn--outline:hover { background: var(--navy); color: var(--white); border-color: var(--navy); box-shadow: 0 6px 20px rgba(11,42,107,0.24); }

/* ---------- Usage ---------- */
.usage { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 72px; align-items: start; }
.kicker { font-family: var(--mono); font-size: 10px; letter-spacing: 0.22em; text-transform: uppercase; color: var(--red); }
.kicker--muted { color: var(--muted-3); }
.usage__title { margin-top: 20px; font-size: clamp(2rem, 2.8vw + 0.7rem, 3.2rem); font-weight: 700; letter-spacing: -0.038em; line-height: 1.02; text-transform: uppercase; }
.usage__lead { margin-top: 26px; color: var(--muted); max-width: 40ch; }
.steps__row { display: grid; grid-template-columns: 64px 1fr; gap: 24px; padding: 26px 0; border-top: 1px solid var(--line-warm); align-items: baseline; }
.steps__n { font-family: var(--mono); font-size: 11px; letter-spacing: 0.18em; color: var(--muted-3); }
.steps__t { font-size: 1.2rem; font-weight: 600; letter-spacing: -0.02em; }
.steps__d { margin-top: 6px; color: var(--muted); font-size: 0.95rem; }
.steps__end { height: 1px; background: var(--line-warm); }

/* ---------- Photo wall ---------- */
.wall { display: grid; gap: 16px; grid-template-columns: repeat(4, 1fr); grid-auto-rows: 230px; }
.wall__cell { overflow: hidden; border-radius: var(--r); background: var(--paper); }
.wall__cell img { width: 100%; height: 100%; object-fit: cover; transition: transform 800ms var(--ease); }
.wall__cell:hover img { transform: scale(1.03); }
.wall__cell--tall { grid-row: span 2; }
.wall__cell--wide { grid-column: span 2; }

/* ---------- Callout ---------- */
.callout { max-width: 1100px; }
.callout__quote { margin-top: 32px; font-size: clamp(1.7rem, 2.4vw + 0.7rem, 2.9rem); font-weight: 500; letter-spacing: -0.03em; line-height: 1.24; text-wrap: pretty; }
.callout__quote span { color: var(--red); }

/* ---------- CTA band (living dark) ---------- */
.ctaband {
  position: relative; overflow: hidden; isolation: isolate;
  display: grid; grid-template-columns: 1.4fr auto; gap: 40px; align-items: center;
  border-radius: var(--r); padding: clamp(40px, 5vw, 64px);
  color: var(--white); background: var(--navy-deep);
}
.ctaband::before {
  content: ''; position: absolute; inset: 0; z-index: -2;
  background:
    radial-gradient(60% 120% at 12% 20%, rgba(44,85,212,0.55), transparent 60%),
    radial-gradient(60% 120% at 90% 90%, rgba(227,6,19,0.30), transparent 62%),
    linear-gradient(120deg, var(--navy-deep), var(--navy) 70%, var(--navy-light));
  background-size: 200% 200%, 200% 200%, 100% 100%;
  animation: lv-aurora 13s ease-in-out infinite;
}
/* Drifting colour blobs, same life as the hero */
.ctaband::after {
  content: ''; position: absolute; z-index: -1; pointer-events: none;
  left: -8%; top: -120%; width: 42%; aspect-ratio: 1;
  border-radius: 50%; filter: blur(60px); opacity: 0.55;
  background: radial-gradient(circle, var(--navy-elec), transparent 66%);
  animation: lv-drift-a 15s ease-in-out infinite;
}
.ctaband__title { position: relative; font-size: clamp(1.5rem, 1.8vw + 0.8rem, 2.2rem); font-weight: 700; letter-spacing: -0.03em; text-transform: uppercase; }
.ctaband__lead { position: relative; margin-top: 14px; color: rgba(255,255,255,0.76); max-width: 56ch; }

/* ---------- Footer ---------- */
.ft { background: var(--ink); color: rgba(255,255,255,0.72); padding-block: 72px 32px; }
.ft__grid { display: grid; gap: 48px; grid-template-columns: 1.5fr 1fr 1fr 1fr; }
.ft__brand { max-width: 320px; }
.ft__mark { color: var(--white); font-style: italic; font-weight: 700; font-size: 1.4rem; letter-spacing: -0.02em; }
.ft__mark span { color: var(--red); }
.ft__brand p { color: rgba(255,255,255,0.6); font-size: 0.92rem; margin-top: 14px; }
.ft__lang { margin-top: 22px; display: inline-flex; align-items: center; }
/* Footer language dropdown: same component as the header, opens upward, flag only */
.lang-select--up .lang-select__menu { top: auto; bottom: calc(100% + 10px); min-width: 0; }
.lang-select--up .lang-select__item { justify-content: center; padding: 8px; }
.lang-select--up .lang-select__item img { height: 18px; }
.ft__lang .lang-flag { border-color: rgba(255,255,255,0.24); }
.ft__lang .lang-select__chevron { color: rgba(255,255,255,0.55); }
.ft h4 { color: var(--white); font-family: var(--mono); font-size: 10px; text-transform: uppercase; letter-spacing: 0.18em; margin-bottom: 18px; font-weight: 500; }
.ft a[href]:not(.ft__mark) { display: block; padding: 6px 0; font-size: 0.92rem; }
.ft__col a:hover { color: var(--white); }
.ft__addr { font-size: 0.92rem; margin-top: 8px; color: rgba(255,255,255,0.6); }
.ft__bottom {
  border-top: 1px solid rgba(255,255,255,0.15); margin-top: 48px; padding-top: 24px;
  display: flex; justify-content: center; align-items: center; gap: 12px; text-align: center;
  color: rgba(255,255,255,0.5); font-family: var(--mono); font-size: 11px;
}

/* ---------- Entrance: hero on load (staggered, CSS-only) ---------- */
@keyframes lv-rise {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}
.hero__text > .eyebrow     { animation: lv-rise 3260ms var(--ease) 80ms both; }
.hero__text > .hero__title { animation: lv-rise 3320ms var(--ease) 180ms both; }
.hero__text > .hero__lead  { animation: lv-rise 3320ms var(--ease) 320ms both; }
.hero__text > .hero__ctas  { animation: lv-rise 3320ms var(--ease) 440ms both; }
.hero__media               { animation: lv-rise 3400ms var(--ease) 280ms both; }
.hero__facts               { animation: lv-rise 3320ms var(--ease) 560ms both; }

/* ---------- Reveal on scroll (gated on JS so no-JS shows content) ---------- */
.reveal { transition: opacity 3220ms var(--ease), transform 3220ms var(--ease); }
.js .reveal { opacity: 0; transform: translateY(24px); }
.reveal.is-visible { opacity: 1; transform: none; }
/* light stagger inside groups */
.cats .tile:nth-child(2) { transition-delay: 90ms; }
.wall__cell:nth-child(2) { transition-delay: 60ms; }
.wall__cell:nth-child(3) { transition-delay: 120ms; }
.wall__cell:nth-child(4) { transition-delay: 180ms; }
.wall__cell:nth-child(5) { transition-delay: 240ms; }

/* ============================================================
   Responsive
   ============================================================ */
@media (max-width: 899px) {
  .nav, .actions .lang, .actions .lang-flag, .actions .btn--nav { display: none; }
  .burger { display: inline-flex; }

  .hero__grid { grid-template-columns: 1fr; gap: 0; min-height: 0; }
  .hero__text { padding-block: 56px 8px; }
  .hero__media { min-height: 0; order: 2; margin-top: 24px; }
  .hero__pack { position: static; inset: auto; width: 100%; height: auto; margin: 0; }
  .hero__facts-grid { grid-template-columns: 1fr; }
  .fact { border-left: none; border-top: 1px solid rgba(255,255,255,0.14); }
  .fact:first-child { border-top: none; }

  .offre__head { grid-template-columns: 1fr; gap: 28px; }
  .offre__meta { flex-direction: column; align-items: start; gap: 16px; }
  .cats { grid-template-columns: 1fr; }
  .tile { min-height: 380px; }

  .usage { grid-template-columns: 1fr; gap: 40px; }

  .wall { grid-template-columns: repeat(2, 1fr); grid-auto-rows: clamp(150px, 34vw, 220px); }

  .ctaband { grid-template-columns: 1fr; gap: 24px; }

  .ft__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .ft__brand { grid-column: 1 / -1; }
  .ft__bottom { flex-direction: column; align-items: start; }
}

@media (max-width: 480px) {
  .hero__title { font-size: clamp(2.4rem, 9vw, 3rem); }
  .ft__grid { grid-template-columns: 1fr; }
}

@media (prefers-reduced-motion: reduce) {
  .hero__bg, .hero__bg::before, .hero__bg::after, .ctaband::before, .ctaband::after,
  .hero__text > *, .hero__media, .hero__facts { animation: none; }
  .reveal, .js .reveal { opacity: 1; transform: none; transition: none; }
  html { scroll-behavior: auto; }
}