/* =========================================================
   Chateq multi-thèmes : 1 layout, 4 identités commutables.
   data-skin = warm | elegant | neon | aurora
   ========================================================= */
:root {
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --maxw: 1140px;
  --radius-sm: 12px; --radius: 16px; --radius-lg: 22px; --radius-pill: 999px;
}

/* Chaque thème = police + base CLAIRE ; variante SOMBRE sous [data-mode="dark"].
   Palettes reprises telles quelles des sites A / B / C + une 4e (Aurore). */

/* ---- 1. Chaleureux (cream + ginger) ---- */
[data-skin="warm"] {
  --font-title:"Poppins"; --font-body:"Nunito"; --font-accent:"Quicksand"; --glow:0.13; --title-style:normal;
  --bg:#FFF8F0; --surface:#FCEFE3; --surface-2:#FBF3EA; --border:#EAD9C7;
  --text:#2B2B2B; --text-2:#5E5048;
  --accent:#D96A2B; --accent-h:#B5501C; --accent-2:#2E7D5B; --accent-3:#3F6F99; --on-accent:#FFFFFF;
  --shadow:0 8px 24px rgba(176,80,28,.12); --shadow-lg:0 18px 48px rgba(176,80,28,.16);
}
[data-skin="warm"][data-mode="dark"] {
  --bg:#1E1813; --surface:#2A221B; --surface-2:#2F261E; --border:#3B3027;
  --text:#F5ECE2; --text-2:#C4B5A6;
  --accent:#F0935A; --accent-h:#F4A974; --accent-2:#7FCBA0; --accent-3:#79A8CF; --on-accent:#1E1813;
  --shadow:0 8px 24px rgba(0,0,0,.4); --shadow-lg:0 18px 48px rgba(0,0,0,.5);
}

/* ---- 2. Élégance (sapin + laiton, serif) ---- */
[data-skin="elegant"] {
  --font-title:"Fraunces"; --font-body:"Inter"; --font-accent:"Inter"; --glow:0.15; --title-style:normal;
  --bg:#FAFAF7; --surface:#FFFFFF; --surface-2:#F4F3EE; --border:#E5E4DD;
  --text:#3A3A38; --text-2:#6E6E68;
  --accent:#1F3D34; --accent-h:#16302A; --accent-2:#C9A24B; --accent-3:#C9A24B; --on-accent:#FAFAF7;
  --shadow:0 6px 22px rgba(31,61,52,.08); --shadow-lg:0 18px 48px rgba(31,61,52,.14);
}
[data-skin="elegant"][data-mode="dark"] {
  --bg:#10211C; --surface:#16302A; --surface-2:#1A3A31; --border:#274038;
  --text:#EDEFEA; --text-2:#A9B3AD;
  --accent:#5FA98E; --accent-h:#7FC4AC; --accent-2:#D8B45E; --accent-3:#D8B45E; --on-accent:#10211C;
  --shadow:0 8px 24px rgba(0,0,0,.35); --shadow-lg:0 18px 48px rgba(0,0,0,.45);
}

/* ---- 3. Néon (encre + électrique) ---- */
[data-skin="neon"] {
  --font-title:"Space Grotesk"; --font-body:"Inter"; --font-accent:"Space Grotesk"; --glow:0.22; --title-style:normal;
  --bg:#FBFBF7; --surface:#FFFFFF; --surface-2:#F4F4EE; --border:#E4E4DC;
  --text:#0E0E12; --text-2:#54545F;
  --accent:#E0285A; --accent-h:#C9A406; --accent-2:#0E9E72; --accent-3:#5A47C2; --on-accent:#FFFFFF;
  --shadow:0 10px 30px rgba(14,14,18,.10); --shadow-lg:0 24px 60px rgba(14,14,18,.16);
}
[data-skin="neon"][data-mode="dark"] {
  --glow:0.5;
  --bg:#0E0E12; --surface:#17171F; --surface-2:#1E1E28; --border:#2A2A36;
  --text:#F2F2F5; --text-2:#9A9AA8;
  --accent:#FF5470; --accent-h:#F4D03F; --accent-2:#2DE1A6; --accent-3:#6C5CE7; --on-accent:#0E0E12;
  --shadow:0 10px 30px rgba(0,0,0,.5); --shadow-lg:0 24px 60px rgba(0,0,0,.6);
}

/* ---- 4. Aurore (indigo -> cyan -> rose) ---- */
[data-skin="aurora"] {
  --font-title:"Sora"; --font-body:"Inter"; --font-accent:"Sora"; --glow:0.18; --title-style:normal;
  --bg:#F6F8FC; --surface:#FFFFFF; --surface-2:#EEF2FB; --border:#DCE3F2;
  --text:#16213A; --text-2:#5B6781;
  --accent:#4F46E5; --accent-h:#4338CA; --accent-2:#06B6D4; --accent-3:#EC4899; --on-accent:#FFFFFF;
  --shadow:0 10px 30px rgba(79,70,229,.12); --shadow-lg:0 22px 54px rgba(79,70,229,.18);
}
[data-skin="aurora"][data-mode="dark"] {
  --glow:0.28;
  --bg:#0B1020; --surface:#141A2E; --surface-2:#1B2440; --border:#2A3454;
  --text:#EAEFFA; --text-2:#9AA6C4;
  --accent:#818CF8; --accent-h:#A5B4FC; --accent-2:#22D3EE; --accent-3:#F472B6; --on-accent:#0B1020;
  --shadow:0 10px 30px rgba(0,0,0,.45); --shadow-lg:0 22px 54px rgba(0,0,0,.55);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: var(--font-body), system-ui, sans-serif; font-size: 17px; line-height: 1.6;
  -webkit-font-smoothing: antialiased; overflow-x: hidden;
}
/* Transition douce des couleurs à la bascule de thème */
body, .header, .card, .price, .promise, .estimator, .estimator__result, .step, .faq__item,
.tags li, .field input, .field select, .field textarea, .btn, .skin-btn, .value, .banner, .section--alt {
  transition: background-color .45s var(--ease), color .45s var(--ease), border-color .45s var(--ease), box-shadow .45s var(--ease);
}
h1,h2,h3 { font-family: var(--font-title), Georgia, serif; line-height: 1.1; margin: 0; font-weight: 700; letter-spacing: -0.01em; }
p { margin: 0; } a { color: inherit; text-decoration: none; }
img, svg { display: block; max-width: 100%; }
.container { width: 100%; max-width: var(--maxw); margin: 0 auto; padding: 0 24px; }
.container--narrow { max-width: 800px; }
.skip-link { position: absolute; left: -999px; top: 8px; z-index: 300; background: var(--accent); color: var(--on-accent); padding: 10px 16px; border-radius: var(--radius-sm); font-weight: 700; }
.skip-link:focus { left: 8px; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }

/* ---------- Buttons ---------- */
.btn { position: relative; overflow: hidden; display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 13px 24px; border-radius: var(--radius-pill); font-family: var(--font-accent), sans-serif; font-weight: 700; font-size: 16px; border: 1px solid transparent; cursor: pointer; min-height: 48px; touch-action: manipulation; transition: transform .25s var(--ease), background .3s var(--ease), box-shadow .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease); }
.btn--primary { background: var(--accent); color: var(--on-accent); box-shadow: 0 12px 34px -12px color-mix(in srgb, var(--accent) 70%, transparent); }
.btn--primary:hover { background: var(--accent-h); transform: translateY(-2px) scale(1.02); box-shadow: 0 0 30px color-mix(in srgb, var(--accent) calc(var(--glow)*120%), transparent), 0 14px 40px -10px color-mix(in srgb, var(--accent) 60%, transparent); }
.btn--ghost { background: transparent; color: var(--text); border-color: var(--border); }
.btn--ghost:hover { transform: translateY(-2px); border-color: var(--accent); }
.btn--primary::after { content:""; position:absolute; top:0; left:-120%; width:55%; height:100%; background:linear-gradient(110deg,transparent,rgba(255,255,255,.35),transparent); transform:skewX(-18deg); transition:left .6s var(--ease); }
.btn--primary:hover::after { left:150%; }

/* ---------- Header ---------- */
.header { position: sticky; top: 0; z-index: 100; background: color-mix(in srgb, var(--bg) 85%, transparent); backdrop-filter: blur(12px); border-bottom: 1px solid transparent; }
.header.is-scrolled { border-bottom-color: var(--border); }
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 70px; gap: 16px; }
.logo { display: inline-flex; align-items: center; gap: 9px; color: var(--accent); }
.logo__text { font-family: var(--font-title), serif; font-weight: 700; font-size: 1.45rem; color: var(--text); letter-spacing: -0.02em; }
.nav { display: flex; gap: 24px; }
.nav a { position: relative; color: var(--text-2); font-weight: 600; font-size: 0.95rem; transition: color .2s; }
.nav a::after { content:""; position:absolute; left:0; right:0; bottom:-6px; height:2px; background:var(--accent); transform:scaleX(0); transform-origin:left; transition:transform .25s var(--ease); }
.nav a:hover { color: var(--text); } .nav a:hover::after { transform: scaleX(1); }
.header__actions { display: flex; align-items: center; gap: 14px; }

/* ---------- Sélecteur de thème ---------- */
.skin-switch { display: inline-flex; align-items: center; gap: 2px; padding: 4px; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-pill); }
.skin-btn { display: inline-flex; align-items: center; gap: 7px; border: 0; background: none; cursor: pointer; padding: 8px 12px; border-radius: var(--radius-pill); font-family: var(--font-accent), sans-serif; font-weight: 700; font-size: 13px; color: var(--text-2); min-height: 40px; touch-action: manipulation; transition: color .2s var(--ease), background .2s var(--ease); }
.skin-btn:hover { color: var(--text); }
.skin-btn[aria-pressed="true"] { background: color-mix(in srgb, var(--accent) 16%, transparent); color: var(--text); }
.skin-dot { width: 14px; height: 14px; border-radius: 50%; flex: none; box-shadow: 0 0 0 2px color-mix(in srgb, var(--text) 12%, transparent); }
.skin-btn[data-skin-btn="warm"] .skin-dot { background:#D96A2B; }
.skin-btn[data-skin-btn="elegant"] .skin-dot { background:#2E6F57; }
.skin-btn[data-skin-btn="neon"] .skin-dot { background:#FF5470; }
.skin-btn[data-skin-btn="aurora"] .skin-dot { background:linear-gradient(135deg,#4F46E5,#06B6D4 55%,#EC4899); }
/* Bascule clair / sombre (le « thème noir » de chaque univers) */
.mode-toggle { display:inline-flex; align-items:center; justify-content:center; width:42px; height:42px; border-radius:var(--radius-pill); background:var(--surface); border:1px solid var(--border); color:var(--text); cursor:pointer; touch-action:manipulation; transition:transform .25s var(--ease), border-color .25s var(--ease); }
.mode-toggle:hover { transform:rotate(12deg); border-color:var(--accent); }
.mode-toggle .icon-sun { display:none; } .mode-toggle .icon-moon { display:block; }
[data-mode="dark"] .mode-toggle .icon-sun { display:block; } [data-mode="dark"] .mode-toggle .icon-moon { display:none; }
.burger { display:none; width:44px; height:44px; border:1px solid var(--border); background:var(--surface); border-radius:var(--radius-sm); cursor:pointer; padding:0; touch-action:manipulation; }
.burger span { display:block; width:18px; height:2px; background:var(--text); margin:3px auto; transition:.25s var(--ease); }
.burger[aria-expanded="true"] span:nth-child(1){transform:translateY(5px) rotate(45deg);}
.burger[aria-expanded="true"] span:nth-child(2){opacity:0;}
.burger[aria-expanded="true"] span:nth-child(3){transform:translateY(-5px) rotate(-45deg);}

/* ---------- Eyebrow / sections ---------- */
.eyebrow { font-family: var(--font-accent), sans-serif; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase; font-size: 0.78rem; color: var(--text-2); margin: 0 0 14px; }
.eyebrow--accent { color: var(--accent); }
.section { padding: 96px 0; position: relative; isolation: isolate; }
.section--alt { background: var(--surface); }
.section > .container { position: relative; z-index: 2; }
.section::before { content:""; position:absolute; z-index:0; pointer-events:none; width:min(62vw,720px); aspect-ratio:1; border-radius:50%; top:-14%; right:-12%; filter:blur(30px); background:radial-gradient(circle, color-mix(in srgb, var(--accent) calc(var(--glow)*70%), transparent), transparent 66%); }
.section:nth-of-type(even)::before { right:auto; left:-12%; top:auto; bottom:-14%; background:radial-gradient(circle, color-mix(in srgb, var(--accent-2) calc(var(--glow)*70%), transparent), transparent 66%); }
.section__head { max-width: 720px; margin: 0 auto 52px; text-align: center; position: relative; z-index: 1; }
.section__num { position:absolute; left:50%; top:-0.6em; transform:translateX(-50%); z-index:-1; font-family:var(--font-title),serif; font-weight:700; font-size:clamp(5rem,13vw,11rem); line-height:.8; color:color-mix(in srgb, var(--accent) 14%, transparent); pointer-events:none; }
.section__title { font-size: clamp(1.9rem, 4vw, 2.9rem); }
.section__lead { color: var(--text-2); font-size: 1.12rem; margin-top: 14px; }

/* ---------- Hero ---------- */
.hero { padding: 84px 0 64px; position: relative; overflow: hidden; }
.hero__glow { position:absolute; inset:0; z-index:0; pointer-events:none; background:
  radial-gradient(46% 52% at 76% 16%, color-mix(in srgb, var(--accent) calc(var(--glow)*100%), transparent), transparent 70%),
  radial-gradient(42% 46% at 16% 30%, color-mix(in srgb, var(--accent-2) calc(var(--glow)*72%), transparent), transparent 72%),
  radial-gradient(44% 48% at 58% 84%, color-mix(in srgb, var(--accent-3) calc(var(--glow)*60%), transparent), transparent 72%);
  animation: drift 18s ease-in-out infinite; }
.hero__inner { display: grid; grid-template-columns: 1.1fr .9fr; gap: 44px; align-items: center; position: relative; z-index: 1; }
.hero__title { font-size: clamp(2.5rem, 6vw, 4.4rem); font-style: var(--title-style); letter-spacing: -0.02em; margin-bottom: 20px;
  background: linear-gradient(100deg, var(--text) 0%, var(--accent) 52%, var(--accent-2) 78%, var(--text) 100%); background-size: 220% 100%;
  -webkit-background-clip: text; background-clip: text; color: transparent; animation: gradient-pan 10s ease-in-out infinite; }
.hero__sub { font-size: 1.18rem; color: var(--text-2); max-width: 540px; margin-bottom: 26px; }
.hero__cta { display: flex; flex-wrap: wrap; gap: 14px; }
.hero__hint { margin-top: 16px; font-size: .92rem; color: var(--text-2); }
.hero__reassure { list-style:none; display:flex; flex-wrap:wrap; gap:10px 22px; padding:0; margin:20px 0 0; color:var(--text-2); font-size:.92rem; }
.hero__reassure li { display:inline-flex; align-items:center; gap:8px; }
.hero__reassure li::before { content:""; width:7px; height:7px; border-radius:50%; background:var(--accent-2); }
.hero__visual { display:flex; justify-content:center; }
.mascot { width: min(340px, 80%); animation: float 6s ease-in-out infinite; filter: drop-shadow(var(--shadow-lg)); }
.mascot__body { fill: var(--accent); }
.mascot__ear { fill: var(--accent-h); }
.mascot__eyes circle { fill: var(--bg); }
.mascot__nose { fill: var(--bg); }
.mascot__whiskers line { stroke: var(--accent-2); stroke-width: 2; stroke-linecap: round; }
.mascot__tail { stroke: var(--accent-h); transform-box: fill-box; transform-origin: 4% 50%; animation: wag 3.2s ease-in-out infinite; }
.mascot__shadow { fill: var(--accent); opacity: .12; }

/* ---------- Cards / grids ---------- */
.grid { display: grid; gap: 22px; }
.grid--2 { grid-template-columns: repeat(2,1fr); } .grid--3 { grid-template-columns: repeat(3,1fr); } .grid--4 { grid-template-columns: repeat(4,1fr); }
.card { position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px; box-shadow: var(--shadow); background-image: linear-gradient(158deg, color-mix(in srgb, var(--accent) 6%, transparent), transparent 46%); }
.section--alt .card { background-color: var(--surface-2); }
.card::before { content:""; position:absolute; top:0; left:0; right:0; height:3px; border-radius:var(--radius-lg) var(--radius-lg) 0 0; background:var(--accent); opacity:.55; transform:scaleX(.5); transform-origin:left; transition:opacity .3s var(--ease), transform .3s var(--ease); }
.card:hover { transform: translateY(-5px); border-color: color-mix(in srgb, var(--accent) 45%, var(--border)); box-shadow: 0 26px 60px -24px color-mix(in srgb, var(--accent) calc(40%+var(--glow)*40%), transparent); }
.card:hover::before { opacity:1; transform:scaleX(1); }
.card__icon { display:inline-flex; align-items:center; justify-content:center; width:52px; height:52px; border-radius:var(--radius); background:color-mix(in srgb, var(--accent) 14%, transparent); color:var(--accent); margin-bottom:16px; }
.card__title { font-size: 1.3rem; margin-bottom: 10px; }
.card__text { color: var(--text-2); }
.card__tag { font-family:var(--font-accent),sans-serif; font-weight:700; font-size:.72rem; text-transform:uppercase; letter-spacing:.1em; color:var(--accent); margin-bottom:12px; }
.card--pillar { padding: 34px; } .card--pillar .card__title { font-size: clamp(1.5rem,3vw,2rem); }
.values { list-style:none; display:flex; flex-wrap:wrap; justify-content:center; gap:14px 28px; padding:0; margin:36px 0 0; }
.values li { display:inline-flex; align-items:center; gap:8px; font-weight:700; font-family:var(--font-accent),sans-serif; }
.dot { width:10px; height:10px; border-radius:50%; background:var(--accent-2); flex:none; }

/* ---------- Prix ---------- */
.price { text-align:center; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:24px; box-shadow:var(--shadow); }
.section--alt .price { background:var(--surface-2); }
.price h3 { font-size:1.1rem; margin-bottom:10px; }
.price__from { font-family:var(--font-accent),sans-serif; font-weight:700; font-size:1.25rem; color:var(--accent); }
.note { text-align:center; color:var(--text-2); font-size:.92rem; margin-top:16px; }
.promise { max-width:720px; margin:40px auto 0; background:var(--surface); border:1px solid color-mix(in srgb, var(--accent) 28%, var(--border)); border-radius:var(--radius-lg); padding:28px 32px; }
.section--alt .promise { background:var(--surface-2); }
.promise__title { font-size:1.25rem; margin-bottom:16px; }
.promise__list { list-style:none; padding:0; margin:0; display:grid; gap:12px; }
.promise__list li { position:relative; padding-left:30px; }
.promise__list li::before { content:"✓"; position:absolute; left:0; top:0; width:20px; height:20px; border-radius:50%; background:color-mix(in srgb, var(--accent-2) 20%, transparent); color:var(--accent-2); display:grid; place-items:center; font-size:12px; font-weight:700; }

/* ---------- Estimateur ---------- */
.estimator { max-width:760px; margin:44px auto 0; background:var(--surface-2); border:1px solid var(--border); border-radius:var(--radius-lg); padding:32px; box-shadow:var(--shadow); }
.estimator__title { font-size:1.4rem; margin-bottom:20px; text-align:center; }
.estimator__grid { display:grid; grid-template-columns:1fr 1fr; gap:20px; }
.estimator__options { border:1px solid var(--border); border-radius:var(--radius); padding:16px; margin:20px 0; display:grid; grid-template-columns:repeat(2,1fr); gap:10px; }
.estimator__options legend { padding:0 8px; font-weight:700; font-size:.85rem; color:var(--text-2); font-family:var(--font-accent),sans-serif; text-transform:uppercase; letter-spacing:.06em; }
.estimator__options label { display:flex; align-items:center; gap:8px; font-weight:600; }
.estimator__result { text-align:center; padding:20px; border-radius:var(--radius); background:color-mix(in srgb, var(--accent) 12%, transparent); border:1px solid color-mix(in srgb, var(--accent) 28%, transparent); margin-bottom:8px; }
.estimator__label { display:block; font-size:.82rem; color:var(--text-2); text-transform:uppercase; letter-spacing:.12em; font-family:var(--font-accent),sans-serif; font-weight:700; }
.estimator__amount { display:block; font-family:var(--font-accent),sans-serif; font-weight:700; font-size:clamp(1.6rem,4vw,2.2rem); color:var(--accent); margin-top:6px; }
.estimator .btn { width:100%; margin-top:12px; }

/* ---------- Forms ---------- */
.field { display:flex; flex-direction:column; gap:8px; }
.field label { font-weight:700; font-size:.92rem; font-family:var(--font-accent),sans-serif; }
.field input,.field select,.field textarea { font:inherit; padding:12px 14px; border-radius:var(--radius-sm); border:1px solid var(--border); background:var(--bg); color:var(--text); width:100%; }
.section--alt .field input,.section--alt .field select,.section--alt .field textarea { background:var(--surface-2); }
.field input:focus,.field select:focus,.field textarea:focus { border-color:var(--accent); box-shadow:0 0 0 3px color-mix(in srgb,var(--accent) 22%,transparent); outline:none; }
input[type="range"] { accent-color:var(--accent); padding:0; }
.form { display:grid; grid-template-columns:1fr 1fr; gap:18px; max-width:640px; margin:0 auto; }
.field--full,.form .btn,.form__status { grid-column:1 / -1; }
.form .btn { justify-self:start; }
.form__status { font-weight:700; color:var(--accent-2); min-height:1.2em; }

/* ---------- Banner / Steps / Tags / FAQ ---------- */
.banner { background:color-mix(in srgb, var(--accent) 10%, transparent); border:1px solid color-mix(in srgb, var(--accent) 34%, var(--border)); border-radius:var(--radius); padding:16px 20px; margin-bottom:32px; }
.banner strong { color:var(--accent); }
.steps { list-style:none; padding:0; margin:0; display:grid; grid-template-columns:repeat(5,1fr); gap:18px; position:relative; }
.steps::after { content:""; position:absolute; top:46px; left:9%; right:9%; height:2px; z-index:0; background:linear-gradient(90deg, transparent, color-mix(in srgb,var(--accent) 45%,transparent), transparent); }
.step { position:relative; z-index:1; background:var(--surface); border:1px solid var(--border); border-radius:var(--radius-lg); padding:24px; box-shadow:var(--shadow); }
.section--alt .step { background:var(--surface-2); }
.step__num { display:inline-grid; place-items:center; width:42px; height:42px; border-radius:50%; background:var(--accent); color:var(--on-accent); font-family:var(--font-accent),sans-serif; font-weight:700; margin-bottom:14px; }
.step h3 { font-size:1.05rem; margin-bottom:8px; } .step p { color:var(--text-2); font-size:.95rem; }
.tags { list-style:none; display:flex; flex-wrap:wrap; justify-content:center; gap:12px; padding:0; margin:0 0 28px; }
.tags li { background:var(--surface-2); border:1px solid var(--border); border-radius:var(--radius-pill); padding:9px 18px; font-family:var(--font-accent),sans-serif; font-weight:700; }
.section--alt .tags li { background:var(--surface); }
.faq { display:grid; gap:14px; }
.faq__item { background:var(--surface); border:1px solid var(--border); border-radius:var(--radius); overflow:hidden; }
.section--alt .faq__item { background:var(--surface-2); }
.faq__q { width:100%; display:flex; align-items:center; justify-content:space-between; gap:16px; text-align:left; background:none; border:0; cursor:pointer; padding:20px 22px; font-family:var(--font-title),serif; font-weight:700; font-size:1.05rem; color:var(--text); }
.faq__sign { position:relative; width:18px; height:18px; flex:none; }
.faq__sign::before,.faq__sign::after { content:""; position:absolute; background:var(--accent); border-radius:2px; transition:transform .25s var(--ease); }
.faq__sign::before { top:8px; left:0; width:18px; height:2px; } .faq__sign::after { left:8px; top:0; width:2px; height:18px; }
.faq__q[aria-expanded="true"] .faq__sign::after { transform:scaleY(0); }
.faq__a { max-height:0; overflow:hidden; transition:max-height .3s var(--ease); }
.faq__a p { padding:0 22px 20px; color:var(--text-2); }

/* ---------- Footer ---------- */
.footer { background:var(--surface); border-top:1px solid var(--border); padding:48px 0 32px; }
.footer__inner { display:flex; flex-wrap:wrap; justify-content:space-between; gap:24px; align-items:center; }
.footer__brand .logo__text { font-size:1.3rem; } .footer__brand p { color:var(--text-2); margin-top:4px; }
.footer__nav { display:flex; flex-wrap:wrap; gap:20px; }
.footer__nav a { color:var(--text-2); font-weight:600; } .footer__nav a:hover { color:var(--accent); }
.footer__bottom { display:flex; flex-wrap:wrap; justify-content:space-between; gap:8px; margin-top:28px; padding-top:20px; border-top:1px solid var(--border); color:var(--text-2); font-size:.86rem; }

/* ---------- Reveal / progress ---------- */
.reveal { opacity:0; transform:translateY(22px); transition:opacity .6s var(--ease), transform .6s var(--ease); will-change:opacity,transform; }
.reveal.is-visible { opacity:1; transform:none; }
.grid .reveal, .steps .reveal, .faq .reveal { transition-delay: calc(var(--i,0) * 80ms); }
.scroll-progress { position:fixed; top:0; left:0; height:3px; width:0; z-index:300; background:linear-gradient(90deg, var(--accent), var(--accent-2), var(--accent-3)); }

@keyframes gradient-pan { 0%,100%{background-position:0% 50%;} 50%{background-position:100% 50%;} }
@keyframes drift { 0%,100%{transform:translate(0,0) scale(1);} 50%{transform:translate(-2%,2%) scale(1.05);} }
@keyframes float { 0%,100%{transform:translateY(0);} 50%{transform:translateY(-12px);} }
@keyframes wag { 0%,100%{transform:rotate(-9deg);} 50%{transform:rotate(11deg);} }

/* ---------- Responsive ---------- */
@media (max-width: 960px) {
  .nav { position:fixed; inset:70px 0 auto 0; flex-direction:column; gap:0; background:var(--bg); border-bottom:1px solid var(--border); padding:8px 24px 20px; transform:translateY(-130%); transition:transform .3s var(--ease); z-index:90; }
  .nav.is-open { transform:translateY(0); }
  .nav a { padding:14px 0; border-bottom:1px solid var(--border); font-size:1.05rem; } .nav a::after { display:none; }
  .burger { display:block; } .header__cta { display:none; }
  .skin-name { display:none; }                 /* mobile : pastilles seules, libellé en aria-label */
  .skin-btn { padding:10px; min-width:44px; justify-content:center; }
  .hero__inner { grid-template-columns:1fr; text-align:center; } .hero__copy { order:2; } .hero__visual { order:1; }
  .hero__sub { margin-left:auto; margin-right:auto; } .hero__cta, .hero__reassure { justify-content:center; }
  .grid--3,.grid--4 { grid-template-columns:repeat(2,1fr); } .steps { grid-template-columns:repeat(2,1fr); }
}
@media (max-width: 560px) {
  .grid--2,.grid--3,.grid--4,.steps,.estimator__grid,.estimator__options,.form { grid-template-columns:1fr; }
  .section { padding:60px 0; } .hero { padding:40px 0 36px; } .steps::after { display:none; }
  .skin-switch { gap:0; padding:3px; } .skin-btn { padding:9px; min-width:40px; }
}

/* ---------- Reduced motion ---------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior:auto; }
  *,*::before,*::after { transition:none !important; animation:none !important; }
  .reveal { opacity:1; transform:none; }
  .hero__title { color:var(--text); -webkit-text-fill-color:var(--text); }
}