/* =========================================================
   NEXT GROUP VENTURES — socle des maquettes v4 (A / B / C)
   Charte : rouge groupe #E94539 · Learn #F17E23 · Cowork #005EA8 · Digital #00A13F
   Poppins · neutres #1C1C1C #565656 #9E9C9D #DADADA #E8E6E3 #F7F6F4
   ========================================================= */
:root {
  --group: #E94539; --group-2: #F5A580; --group-3: #FCD3BD;
  --learn: #F17E23; --learn-2: #F8AE67; --learn-3: #FDDDC4;
  --cowork: #005EA8; --cowork-2: #00B5EE; --cowork-3: #A1DAF7;
  --digital: #00A13F; --digital-2: #9DC765; --digital-3: #DCE9BB;
  --ink: #1C1C1C; --text: #565656; --muted: #9E9C9D; --grey: #DADADA; --line: #E8E6E3; --bg2: #F7F6F4;
  --ease: cubic-bezier(.2,.7,.2,1); --header-h: 76px; --container: 1240px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 12px); }
body { margin: 0; font-family: 'Poppins', 'Helvetica Neue', Arial, sans-serif; color: var(--text); background: #fff; font-size: 16px; line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { display: block; max-width: 100%; height: auto; }
h1, h2, h3 { color: var(--ink); font-weight: 700; line-height: 1.06; margin: 0; letter-spacing: -.02em; }
p { margin: 0; }
a { color: inherit; }
:focus-visible { outline: 3px solid var(--group); outline-offset: 3px; border-radius: 4px; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.skip { position: absolute; left: -999px; top: 8px; background: var(--ink); color: #fff; padding: 8px 14px; z-index: 300; }
.skip:focus { left: 8px; }
.kicker { display: inline-flex; align-items: center; gap: 10px; font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--ink); }
.kicker::before { content: ""; width: 22px; height: 3px; background: var(--group); }
.kicker.light { color: #fff; }
.h2 { font-size: clamp(30px, 4.2vw, 54px); }
.mark { background-image: linear-gradient(var(--group-3), var(--group-3)); background-repeat: no-repeat; background-size: 0% 36%; background-position: 0 88%; transition: background-size .9s var(--ease) .2s; }
.in .mark, .mark.in { background-size: 100% 36%; }
.btn { display: inline-flex; align-items: center; gap: 10px; min-height: 52px; padding: 14px 26px; border-radius: 999px; font: inherit; font-weight: 600; font-size: 15px; text-decoration: none; border: 2px solid transparent; cursor: pointer; transition: background-color .25s, color .25s, border-color .25s; white-space: nowrap; }
.btn svg { width: 18px; height: 18px; transition: transform .25s var(--ease); }
.btn:hover svg { transform: translateX(4px); }
.btn-group { background: var(--group); color: var(--ink); }
.btn-group:hover { background: var(--ink); color: #fff; }
.btn-ink { background: var(--ink); color: #fff; }
.btn-ink:hover { background: var(--group); color: var(--ink); }
.btn-ghost { border-color: currentColor; background: transparent; }

/* ===== Header ===== */
.site-header { position: fixed; inset: 0 0 auto 0; z-index: 100; transition: background-color .3s, box-shadow .3s; }
.site-header.scrolled, .site-header.solid { background: rgba(255,255,255,.95); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); box-shadow: 0 1px 0 var(--line); }
.site-header .container { height: var(--header-h); display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.brand img { height: 46px; width: auto; }
.brand .on-dark { display: none; }
.site-header.dark:not(.scrolled) .brand .on-dark { display: block; }
.site-header.dark:not(.scrolled) .brand .on-light { display: none; }
.nav { display: flex; align-items: center; gap: 30px; }
.nav ul { list-style: none; display: flex; gap: 28px; margin: 0; padding: 0; }
.nav ul a { text-decoration: none; color: var(--ink); font-weight: 500; font-size: 15px; position: relative; padding: 6px 0; }
.site-header.dark:not(.scrolled) .nav ul a { color: #fff; }
.nav ul a::after { content: ""; position: absolute; left: 0; right: 100%; bottom: 0; height: 2px; background: var(--group); transition: right .3s var(--ease); }
.nav ul a:hover::after { right: 0; }
.nav .btn { min-height: 44px; padding: 10px 20px; }
.burger { display: none; width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--line); background: #fff; color: var(--ink); align-items: center; justify-content: center; cursor: pointer; }
.burger svg { width: 22px; height: 22px; }
@media (max-width: 900px) {
  .burger { display: inline-flex; }
  .nav ul { display: none; position: absolute; top: var(--header-h); left: 0; right: 0; flex-direction: column; gap: 0; background: #fff; padding: 8px 24px 20px; box-shadow: 0 12px 24px rgba(0,0,0,.06); }
  .nav ul.open { display: flex; }
  .nav ul a, .site-header.dark:not(.scrolled) .nav ul a { display: block; padding: 14px 0; border-bottom: 1px solid var(--line); color: var(--ink); }
  .nav .btn { display: none; }
}

/* ===== Domiciliation (contenu validé v3) ===== */
.domi { border-radius: 28px; background: var(--ink); color: var(--grey); padding: clamp(32px, 5vw, 64px); display: grid; gap: 30px; align-items: center; position: relative; overflow: hidden; }
@media (min-width: 900px) { .domi { grid-template-columns: 1.5fr 1fr; } }
.domi h3 { color: #fff; font-size: clamp(26px, 3vw, 40px); margin-bottom: 18px; }
.domi p + p { margin-top: 12px; }
.domi .pack { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.domi .pack span { font-size: 13px; font-weight: 600; padding: 6px 14px; border-radius: 999px; background: rgba(255,255,255,.08); color: #fff; }
.domi .pack span.on { background: var(--group); color: var(--ink); }
.domi .side { display: grid; gap: 12px; justify-items: start; }
.domi .deco { position: absolute; right: -60px; bottom: -60px; width: 260px; opacity: .08; pointer-events: none; }

/* ===== Contact ===== */
.contact { padding: 110px 0; background: var(--bg2); }
.contact-grid { display: grid; gap: 48px; }
@media (min-width: 960px) { .contact-grid { grid-template-columns: 1fr 1.25fr; gap: 80px; } }
.contact dl { display: grid; gap: 20px; margin: 34px 0 0; }
.contact dt { font-size: 12px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; color: var(--muted); }
.contact dd { margin: 4px 0 0; color: var(--ink); font-weight: 500; font-size: 17px; }
.contact dd a { text-decoration-color: var(--group); text-underline-offset: 4px; }
.form { background: #fff; border-radius: 22px; padding: 34px; display: grid; gap: 18px; box-shadow: 0 30px 60px -30px rgba(28,28,28,.2); }
.field { display: grid; gap: 6px; }
.field label { font-size: 14px; font-weight: 600; color: var(--ink); }
.field input, .field select, .field textarea { font: inherit; color: var(--ink); background: var(--bg2); border: 2px solid transparent; border-radius: 10px; padding: 13px 15px; width: 100%; }
.field input:focus, .field select:focus, .field textarea:focus { outline: none; border-color: var(--group); background: #fff; }
.field textarea { min-height: 120px; resize: vertical; }
.row2 { display: grid; gap: 18px; }
@media (min-width: 640px) { .row2 { grid-template-columns: 1fr 1fr; } }
.consent { display: flex; gap: 10px; font-size: 14px; align-items: flex-start; }
.consent input { width: 18px; height: 18px; margin-top: 3px; accent-color: var(--group); flex: none; }
.captcha { border: 1px dashed var(--grey); border-radius: 10px; padding: 12px; font-size: 13px; text-align: center; color: var(--muted); }
.form [role=status] { font-size: 14px; font-weight: 500; }

/* ===== Footer : structure commune NLC / Cowork / Digital ===== */
.site-footer { background: var(--ink); color: var(--grey); padding: 64px 0 28px; font-size: 15px; }
.footer-grid { display: grid; gap: 40px; padding-bottom: 40px; }
@media (min-width: 1000px) { .footer-grid { grid-template-columns: 170px 1.4fr 1fr 1fr 1.3fr; gap: 44px; } .footer-eco { border-right: 1px solid rgba(255,255,255,.12); padding-right: 30px; } }
.footer-label, .site-footer h3 { color: #fff; font-size: 13px; font-weight: 600; letter-spacing: .14em; text-transform: uppercase; margin: 0 0 18px; }
.footer-label { color: var(--muted); white-space: nowrap; }
.footer-eco { display: grid; gap: 10px; align-content: start; }
.eco-btn { display: flex; align-items: center; gap: 10px; padding: 9px 12px; border-radius: 8px; border: 1px solid rgba(255,255,255,.1); background: rgba(255,255,255,.04); color: rgba(255,255,255,.75); text-decoration: none; font-size: 14px; font-weight: 500; transition: background-color .2s, border-color .2s, transform .2s; }
.eco-btn:hover { background: rgba(255,255,255,.09); border-color: rgba(255,255,255,.25); color: #fff; transform: translateX(3px); }
.eco-icon { width: 30px; height: 30px; flex: none; display: grid; place-items: center; }
.eco-icon img { width: 30px; height: 30px; }
.footer-brand img { height: 50px; width: auto; }
.footer-brand p { margin: 18px 0 20px; max-width: 320px; }
.site-footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 11px; }
.site-footer ul a { color: var(--grey); text-decoration: none; }
.site-footer ul a:hover { color: var(--group-2); }
.footer-contact .maps { color: var(--group-2); }
.footer-bottom { display: flex; flex-wrap: wrap; gap: 12px 28px; justify-content: space-between; padding-top: 22px; border-top: 1px solid rgba(255,255,255,.12); font-size: 14px; }
.footer-bottom nav { display: flex; gap: 22px; flex-wrap: wrap; }
.footer-bottom a { color: var(--grey); text-decoration: none; }
.footer-bottom a:hover { color: #fff; }
.socials { display: flex; gap: 10px; }
.socials a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,.08); display: inline-flex; align-items: center; justify-content: center; color: #fff; }
.socials a:hover { background: var(--group); color: var(--ink); }
.socials svg { width: 17px; height: 17px; }
.site-footer :focus-visible { outline-color: var(--group-2); }

/* ===== Divers ===== */
.reveal { opacity: 0; transform: translateY(26px); transition: opacity .8s var(--ease), transform .8s var(--ease); }
.reveal.in { opacity: 1; transform: none; }
.reveal.d1 { transition-delay: .08s; } .reveal.d2 { transition-delay: .16s; } .reveal.d3 { transition-delay: .24s; }
.to-top { position: fixed; right: 20px; bottom: 72px; z-index: 140; width: 50px; height: 50px; border-radius: 50%; border: 0; background: var(--group); color: var(--ink); display: grid; place-items: center; cursor: pointer; box-shadow: 0 10px 24px rgba(0,0,0,.2); opacity: 0; transform: translateY(12px); pointer-events: none; transition: opacity .3s, transform .3s var(--ease); }
.to-top.show { opacity: 1; transform: none; pointer-events: auto; }
.to-top:hover { background: var(--ink); color: #fff; }
.to-top svg { width: 22px; height: 22px; }
.mq-badge { position: fixed; right: 16px; bottom: 16px; z-index: 300; background: var(--ink); color: #fff; font-size: 12px; padding: 8px 14px; border-radius: 999px; box-shadow: 0 6px 18px rgba(0,0,0,.2); }
.mq-badge a { color: var(--group-2); }
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .reveal { opacity: 1; transform: none; transition: none; }
  .mark { transition: none; background-size: 100% 36%; }
  *:not(.panel)::after, .words span, .reveal { animation-duration: .001ms !important; animation-iteration-count: 1 !important; }
}