/*
 * TUNNEL IA INTÉGRÉE — conseiller.digital
 * Design : Tech Premium Violet/Vert — tunnel fermé, zéro distraction
 * Typographie : Space Grotesk (titres) + Inter (corps)
 */

@font-face { font-family:'Space Grotesk'; font-weight:400; src:url('../fonts/spacegrotesk-400.ttf'); }
@font-face { font-family:'Space Grotesk'; font-weight:500; src:url('../fonts/spacegrotesk-500.ttf'); }
@font-face { font-family:'Space Grotesk'; font-weight:600; src:url('../fonts/spacegrotesk-600.ttf'); }
@font-face { font-family:'Space Grotesk'; font-weight:700; src:url('../fonts/spacegrotesk-700.ttf'); }
@font-face { font-family:'Space Grotesk'; font-weight:800; src:url('../fonts/spacegrotesk-800.ttf'); }
@font-face { font-family:'Inter'; font-weight:400; src:url('../fonts/inter-400.ttf'); }
@font-face { font-family:'Inter'; font-weight:500; src:url('../fonts/inter-500.ttf'); }
@font-face { font-family:'Inter'; font-weight:600; src:url('../fonts/inter-600.ttf'); }

:root {
  --bg:        #07080f;
  --bg2:       #0c0e1a;
  --bg3:       #101224;
  --violet:    #818cf8;
  --violet-dim:rgba(129,140,248,0.12);
  --violet-glow:rgba(129,140,248,0.25);
  --green:     #4ade80;
  --green-dim: rgba(74,222,128,0.1);
  --white:     #f8fafc;
  --muted:     #94a3b8;
  --border:    rgba(129,140,248,0.15);
  --font-title:'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;
  --radius:    14px;
}

*, *::before, *::after { box-sizing:border-box; margin:0; padding:0; }
html { scroll-behavior:smooth; }
body { background:var(--bg); color:var(--white); font-family:var(--font-body); line-height:1.6; -webkit-font-smoothing:antialiased; }
a { text-decoration:none; color:inherit; }
img { max-width:100%; display:block; }

/* ── Ticker ─────────────────────────────────────────── */
.ticker-bar {
  background:#0c0e1a;
  border-bottom:1px solid rgba(129,140,248,0.15);
  overflow:hidden;
  height:36px;
  display:flex;
  align-items:center;
  position:sticky; top:0; z-index:100;
}
.ticker-track {
  display:flex;
  white-space:nowrap;
  animation:ticker-scroll 50s linear infinite;
}
.ticker-track:hover { animation-play-state:paused; }
@keyframes ticker-scroll { from{transform:translateX(0)} to{transform:translateX(-50%)} }
.ticker-item {
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:0 32px;
  font-size:0.78rem;
  font-weight:600;
  color:#e2e8f0;
  letter-spacing:0.02em;
  white-space:nowrap;
}
.ticker-dot {
  width:6px; height:6px;
  border-radius:50%;
  background:var(--violet);
  flex-shrink:0;
  box-shadow:0 0 6px var(--violet);
}

/* ── Nav tunnel ──────────────────────────────────────── */
.tunnel-nav {
  position:sticky; top:36px; z-index:99;
  background:rgba(7,8,15,0.92);
  backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
  padding:0 32px;
  height:64px;
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.nav-logo {
  display:flex; align-items:center; gap:10px;
  font-family:var(--font-title); font-weight:700; font-size:1.05rem; color:var(--white);
}
.nav-logo .dot {
  width:30px; height:30px; border-radius:50%;
  background:linear-gradient(135deg,var(--violet),var(--green));
  display:flex; align-items:center; justify-content:center; flex-shrink:0;
}
.nav-logo .dot::after {
  content:''; width:12px; height:12px; border-radius:50%; background:var(--bg);
}
.nav-logo span { color:var(--violet); margin-left:-2px; margin-right:-2px; }
.nav-cta {
  display:inline-flex; align-items:center; gap:8px;
  background:linear-gradient(135deg,var(--violet),#6366f1);
  color:var(--white);
  font-family:var(--font-title); font-weight:700; font-size:0.85rem;
  padding:9px 20px; border-radius:8px;
  transition:opacity .2s, transform .2s;
}
.nav-cta:hover { opacity:.9; transform:translateY(-1px); }
.nav-tel {
  font-family:var(--font-title); font-weight:600; font-size:0.9rem;
  color:var(--violet); display:flex; align-items:center; gap:6px;
}

/* ── Boutons ─────────────────────────────────────────── */
.btn {
  display:inline-flex; align-items:center; gap:10px;
  font-family:var(--font-title); font-weight:700; border-radius:10px;
  cursor:pointer; transition:all .2s; border:none; text-decoration:none;
}
.btn-primary {
  background:linear-gradient(135deg,var(--violet),#6366f1);
  color:var(--white); padding:15px 32px; font-size:1rem;
  box-shadow:0 0 30px var(--violet-glow);
}
.btn-primary:hover { transform:translateY(-2px); box-shadow:0 0 45px var(--violet-glow); }
.btn-ghost {
  background:transparent; color:var(--violet);
  border:1px solid rgba(129,140,248,0.35); padding:14px 28px; font-size:0.95rem;
}
.btn-ghost:hover { background:var(--violet-dim); }
.btn-sm { padding:9px 20px; font-size:0.85rem; }

/* ── Hero ────────────────────────────────────────────── */
.hero {
  min-height:88vh; display:flex; align-items:center;
  position:relative; overflow:hidden; padding:80px 32px 60px;
}
.hero-bg {
  position:absolute; inset:0;
  background-image:url('../images/hero-ia.jpg');
  background-size:cover; background-position:center;
  filter:brightness(0.2) saturate(0.7); z-index:0;
}
.hero-overlay {
  position:absolute; inset:0;
  background:linear-gradient(135deg,rgba(7,8,15,0.9) 0%,rgba(7,8,15,0.45) 60%,transparent 100%);
  z-index:1;
}
.hero-content { position:relative; z-index:2; max-width:780px; }
.hero-badge {
  display:inline-flex; align-items:center; gap:8px;
  background:rgba(129,140,248,0.1); border:1px solid rgba(129,140,248,0.3);
  border-radius:100px; padding:6px 16px;
  font-size:0.78rem; font-weight:600; color:var(--violet);
  letter-spacing:0.04em; text-transform:uppercase; margin-bottom:24px;
}
.hero-badge .pulse {
  width:7px; height:7px; border-radius:50%; background:var(--violet);
  animation:pulse-dot 2s ease-in-out infinite;
}
@keyframes pulse-dot {
  0%,100%{box-shadow:0 0 0 0 rgba(129,140,248,.5)}
  50%{box-shadow:0 0 0 6px rgba(129,140,248,0)}
}
.hero h1 {
  font-family:var(--font-title); font-weight:800;
  font-size:clamp(2.4rem,5.5vw,3.8rem); line-height:1.1;
  color:var(--white); margin-bottom:20px;
}
.hero h1 .accent {
  background:linear-gradient(135deg,#818cf8,#4ade80);
  -webkit-background-clip:text; -webkit-text-fill-color:transparent; background-clip:text;
}
.hero-sub { font-size:1.1rem; color:#cbd5e1; line-height:1.75; max-width:600px; margin-bottom:36px; }
.hero-ctas { display:flex; gap:14px; flex-wrap:wrap; margin-bottom:48px; }
.hero-trust { display:flex; gap:24px; flex-wrap:wrap; }
.trust-item { display:flex; align-items:center; gap:8px; font-size:0.82rem; color:#94a3b8; }
.trust-item svg { color:var(--green); flex-shrink:0; }

/* ── Stats ROI ───────────────────────────────────────── */
.stats-band {
  background:var(--bg2);
  border-top:1px solid var(--border); border-bottom:1px solid var(--border);
  padding:40px 32px;
}
.stats-grid {
  max-width:1100px; margin:0 auto;
  display:grid; grid-template-columns:repeat(4,1fr); gap:24px;
}
.stat-card {
  text-align:center; padding:28px 16px;
  background:rgba(129,140,248,0.04); border:1px solid var(--border);
  border-radius:var(--radius); transition:border-color .3s, transform .3s;
}
.stat-card:hover { border-color:rgba(129,140,248,0.35); transform:translateY(-3px); }
.stat-num {
  font-family:var(--font-title); font-weight:800; font-size:2.6rem;
  color:var(--violet); line-height:1; margin-bottom:6px;
}
.stat-label { font-size:0.82rem; color:var(--muted); line-height:1.4; }
.stat-source { font-size:0.7rem; color:#475569; margin-top:4px; }

/* ── Sections génériques ─────────────────────────────── */
.section { padding:80px 32px; }
.section-inner { max-width:1100px; margin:0 auto; }
.section-label {
  font-size:0.75rem; font-weight:700; letter-spacing:0.1em;
  text-transform:uppercase; color:var(--violet); margin-bottom:12px;
}
.section-title {
  font-family:var(--font-title); font-weight:800;
  font-size:clamp(1.8rem,3.5vw,2.6rem); color:var(--white);
  line-height:1.2; margin-bottom:16px;
}
.section-sub { font-size:1.05rem; color:var(--muted); line-height:1.75; max-width:640px; margin-bottom:48px; }

/* ── Coût inaction ───────────────────────────────────── */
.urgency-block {
  background:linear-gradient(135deg,rgba(239,68,68,0.08),rgba(239,68,68,0.03));
  border:1px solid rgba(239,68,68,0.2); border-radius:var(--radius);
  padding:32px 36px; margin-bottom:48px;
}
.urgency-block h3 {
  font-family:var(--font-title); font-weight:700; font-size:1.15rem;
  color:#fca5a5; margin-bottom:16px; display:flex; align-items:center; gap:10px;
}
.urgency-list { list-style:none; display:flex; flex-direction:column; gap:10px; }
.urgency-list li {
  display:flex; align-items:flex-start; gap:10px;
  font-size:0.9rem; color:#e2e8f0; line-height:1.5;
}
.urgency-list li::before { content:'→'; color:#f87171; font-weight:700; flex-shrink:0; margin-top:1px; }

/* ── Étapes IA ───────────────────────────────────────── */
.steps-grid {
  display:grid; grid-template-columns:repeat(2,1fr); gap:24px;
}
.step-card {
  background:var(--bg2); border:1px solid var(--border);
  border-radius:var(--radius); padding:32px 28px;
  transition:border-color .3s, transform .3s; position:relative; overflow:hidden;
}
.step-card::before {
  content:''; position:absolute; top:0; left:0; right:0; height:3px;
  background:linear-gradient(90deg,var(--violet),var(--green)); opacity:0; transition:opacity .3s;
}
.step-card:hover { border-color:rgba(129,140,248,0.3); transform:translateY(-4px); }
.step-card:hover::before { opacity:1; }
.step-header { display:flex; align-items:center; gap:14px; margin-bottom:14px; }
.step-num-badge {
  width:36px; height:36px; border-radius:50%;
  background:var(--violet-dim); border:1px solid rgba(129,140,248,0.3);
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-title); font-weight:800; font-size:0.95rem; color:var(--violet);
  flex-shrink:0;
}
.step-card h3 { font-family:var(--font-title); font-weight:700; font-size:1rem; color:var(--white); }
.step-card p { font-size:0.87rem; color:var(--muted); line-height:1.65; margin-bottom:14px; }
.step-deliverable {
  display:inline-flex; align-items:center; gap:6px;
  background:rgba(74,222,128,0.08); border:1px solid rgba(74,222,128,0.2);
  border-radius:100px; padding:4px 12px;
  font-size:0.75rem; font-weight:700; color:var(--green);
}

/* ── Calculateur économies ───────────────────────────── */
.calc-section { background:var(--bg2); border-top:1px solid var(--border); border-bottom:1px solid var(--border); }
.calc-inner { max-width:900px; margin:0 auto; padding:80px 32px; }
.calc-card {
  background:var(--bg3); border:1px solid var(--border);
  border-radius:20px; padding:40px;
}
.calc-card h3 { font-family:var(--font-title); font-weight:800; font-size:1.4rem; color:var(--white); margin-bottom:8px; }
.calc-card > p { font-size:0.9rem; color:var(--muted); margin-bottom:32px; }
.calc-label {
  display:flex; justify-content:space-between; align-items:center;
  font-size:0.88rem; font-weight:600; color:#e2e8f0; margin-bottom:12px;
}
.calc-val { font-family:var(--font-title); font-weight:800; font-size:1.2rem; color:var(--violet); }
input[type=range] {
  -webkit-appearance:none; width:100%; height:6px; border-radius:3px;
  background:rgba(129,140,248,0.15); outline:none; cursor:pointer; margin-bottom:32px;
}
input[type=range]::-webkit-slider-thumb {
  -webkit-appearance:none; width:22px; height:22px; border-radius:50%;
  background:var(--violet); box-shadow:0 0 12px var(--violet-glow); cursor:pointer;
}
.calc-results { display:grid; grid-template-columns:repeat(3,1fr); gap:16px; margin-top:8px; }
.calc-result-item {
  background:rgba(129,140,248,0.06); border:1px solid var(--border);
  border-radius:12px; padding:20px; text-align:center;
}
.calc-result-num { font-family:var(--font-title); font-weight:800; font-size:1.6rem; color:var(--violet); margin-bottom:4px; }
.calc-result-label { font-size:0.78rem; color:var(--muted); }
.calc-cta { margin-top:28px; text-align:center; }
.calc-note { font-size:0.75rem; color:var(--muted); margin-top:10px; }

/* ── Offres tarifaires ───────────────────────────────── */
.pricing-grid { display:grid; grid-template-columns:repeat(3,1fr); gap:24px; }
.pricing-card {
  background:var(--bg2); border:1px solid var(--border);
  border-radius:var(--radius); padding:32px 28px;
  transition:border-color .3s, transform .3s; position:relative;
}
.pricing-card.featured {
  border-color:rgba(129,140,248,0.5);
  background:linear-gradient(180deg,rgba(129,140,248,0.07) 0%,var(--bg2) 100%);
}
.pricing-badge {
  position:absolute; top:-12px; left:50%; transform:translateX(-50%);
  background:linear-gradient(135deg,var(--violet),#6366f1);
  color:white; font-family:var(--font-title); font-weight:700; font-size:0.72rem;
  padding:4px 16px; border-radius:100px; white-space:nowrap;
}
.pricing-card h3 { font-family:var(--font-title); font-weight:700; font-size:1.05rem; color:var(--white); margin-bottom:8px; }
.pricing-price {
  font-family:var(--font-title); font-weight:800; font-size:2rem; color:var(--violet);
  margin-bottom:4px;
}
.pricing-price span { font-size:0.9rem; font-weight:500; color:var(--muted); }
.pricing-desc { font-size:0.82rem; color:var(--muted); margin-bottom:20px; line-height:1.5; }
.pricing-features { list-style:none; display:flex; flex-direction:column; gap:10px; margin-bottom:24px; }
.pricing-features li { display:flex; gap:8px; align-items:flex-start; font-size:0.83rem; color:#cbd5e1; }
.pricing-features li svg { color:var(--green); flex-shrink:0; margin-top:2px; }
.pricing-cta {
  display:block; text-align:center;
  background:var(--violet-dim); border:1px solid rgba(129,140,248,0.3);
  color:var(--violet); font-family:var(--font-title); font-weight:700; font-size:0.88rem;
  padding:11px 20px; border-radius:8px; transition:all .2s;
}
.pricing-card.featured .pricing-cta {
  background:linear-gradient(135deg,var(--violet),#6366f1);
  border-color:transparent; color:white;
  box-shadow:0 0 20px var(--violet-glow);
}
.pricing-cta:hover { transform:translateY(-2px); }

/* ── FAQ ─────────────────────────────────────────────── */
.faq-list { display:flex; flex-direction:column; gap:8px; }
.faq-item {
  background:var(--bg2); border:1px solid var(--border);
  border-radius:12px; overflow:hidden; transition:border-color .2s;
}
.faq-item.open { border-color:rgba(129,140,248,0.3); }
.faq-q {
  width:100%; background:none; border:none; cursor:pointer;
  display:flex; justify-content:space-between; align-items:center;
  padding:20px 24px; font-family:var(--font-title); font-weight:600;
  font-size:0.95rem; color:var(--white); text-align:left; gap:16px;
}
.faq-q svg { flex-shrink:0; color:var(--violet); transition:transform .3s; }
.faq-item.open .faq-q svg { transform:rotate(45deg); }
.faq-a { max-height:0; overflow:hidden; transition:max-height .35s ease, padding .35s ease; padding:0 24px; }
.faq-item.open .faq-a { max-height:300px; padding:0 24px 20px; }
.faq-a p { font-size:0.88rem; color:var(--muted); line-height:1.7; }

/* ── Formulaire de contact ───────────────────────────── */
.contact-section { background:linear-gradient(180deg,var(--bg2) 0%,var(--bg) 100%); padding:80px 32px; }
.contact-inner {
  max-width:1100px; margin:0 auto;
  display:grid; grid-template-columns:1fr 380px; gap:48px; align-items:start;
}
.contact-form-card {
  background:var(--bg3); border:1px solid var(--border);
  border-radius:20px; padding:40px;
}
.contact-form-card h2 {
  font-family:var(--font-title); font-weight:800; font-size:1.5rem;
  color:var(--white); margin-bottom:8px;
}
.contact-form-card > p { font-size:0.9rem; color:var(--muted); margin-bottom:28px; }
.form-row { display:grid; grid-template-columns:1fr 1fr; gap:16px; }
.form-group { display:flex; flex-direction:column; gap:6px; margin-bottom:16px; }
.form-label { font-size:0.82rem; font-weight:600; color:#e2e8f0; }
.form-input, .form-select, .form-textarea {
  background:rgba(255,255,255,0.04); border:1px solid rgba(255,255,255,0.1);
  border-radius:8px; padding:11px 14px; color:var(--white);
  font-family:var(--font-body); font-size:0.9rem; outline:none;
  transition:border-color .2s; width:100%;
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color:var(--violet); box-shadow:0 0 0 3px rgba(129,140,248,0.1);
}
.form-select { cursor:pointer; appearance:none; background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%2394a3b8' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E"); background-repeat:no-repeat; background-position:right 14px center; padding-right:36px; }
.form-select option { background:var(--bg3); color:var(--white); }
.form-textarea { resize:vertical; min-height:100px; }
.form-checkbox-row { display:flex; gap:10px; align-items:flex-start; margin-bottom:20px; }
.form-checkbox { width:16px; height:16px; accent-color:var(--violet); flex-shrink:0; margin-top:2px; cursor:pointer; }
.form-checkbox-label { font-size:0.8rem; color:var(--muted); line-height:1.5; }
.form-submit {
  width:100%; display:flex; align-items:center; justify-content:center; gap:10px;
  background:linear-gradient(135deg,var(--violet),#6366f1);
  color:white; font-family:var(--font-title); font-weight:700; font-size:1rem;
  padding:15px 24px; border-radius:10px; border:none; cursor:pointer;
  box-shadow:0 0 30px var(--violet-glow); transition:all .2s;
}
.form-submit:hover { transform:translateY(-2px); box-shadow:0 0 45px var(--violet-glow); }
.form-submit:disabled { opacity:0.6; cursor:not-allowed; transform:none; }
.form-note { font-size:0.75rem; color:var(--muted); text-align:center; margin-top:10px; }
.form-success { display:none; text-align:center; padding:40px 20px; }
.form-success.visible { display:block; }
.form-success-icon {
  width:64px; height:64px; border-radius:50%;
  background:linear-gradient(135deg,var(--violet),var(--green));
  display:flex; align-items:center; justify-content:center;
  margin:0 auto 20px; color:white;
}
.form-success h3 { font-family:var(--font-title); font-weight:800; font-size:1.4rem; color:var(--white); margin-bottom:10px; }
.form-success p { font-size:0.9rem; color:var(--muted); line-height:1.7; }

/* ── Sidebar contact ─────────────────────────────────── */
.contact-sidebar { display:flex; flex-direction:column; gap:20px; position:sticky; top:110px; }
.sidebar-card { background:var(--bg3); border:1px solid var(--border); border-radius:16px; padding:24px; }
.sidebar-card h4 { font-family:var(--font-title); font-weight:700; font-size:0.95rem; color:var(--white); margin-bottom:16px; }
.contact-link {
  display:flex; align-items:center; gap:12px; padding:12px 16px;
  border-radius:10px; border:1px solid var(--border);
  background:rgba(255,255,255,0.02); color:var(--white);
  font-size:0.88rem; font-weight:600; transition:all .2s; margin-bottom:10px;
}
.contact-link:hover { border-color:rgba(129,140,248,0.35); background:var(--violet-dim); color:var(--violet); }
.contact-link svg { color:var(--violet); flex-shrink:0; }
.contact-link.wa svg { color:#25d366; }
.contact-link.wa:hover { border-color:rgba(37,211,102,0.35); background:rgba(37,211,102,0.08); color:#25d366; }
.avatar-hugues {
  width:64px; height:64px; border-radius:50%;
  background:linear-gradient(135deg,var(--violet),var(--green));
  display:flex; align-items:center; justify-content:center;
  font-family:var(--font-title); font-weight:800; font-size:1.6rem; color:var(--bg);
  margin:0 auto 12px;
}
.online-dot {
  display:flex; align-items:center; gap:6px; justify-content:center;
  font-size:0.8rem; color:#4ade80; margin-bottom:16px;
}
.online-dot span { width:8px; height:8px; border-radius:50%; background:#4ade80; animation:pulse-dot 2s ease-in-out infinite; }
.checklist { list-style:none; display:flex; flex-direction:column; gap:10px; }
.checklist li { display:flex; gap:8px; align-items:flex-start; font-size:0.83rem; color:#cbd5e1; line-height:1.5; }
.checklist li svg { color:var(--green); flex-shrink:0; margin-top:2px; }
.stats-mini { display:grid; grid-template-columns:1fr 1fr; gap:12px; text-align:center; }
.stat-mini-num { font-family:var(--font-title); font-weight:800; font-size:1.5rem; color:var(--violet); }
.stat-mini-label { font-size:0.72rem; color:var(--muted); }

/* ── Footer tunnel ───────────────────────────────────── */
.tunnel-footer {
  background:var(--bg2); border-top:1px solid var(--border);
  padding:24px 32px; display:flex; align-items:center;
  justify-content:space-between; flex-wrap:wrap; gap:12px;
}
.footer-copy { font-size:0.78rem; color:var(--muted); }
.footer-links { display:flex; gap:20px; }
.footer-links a { font-size:0.78rem; color:var(--muted); transition:color .2s; }
.footer-links a:hover { color:var(--violet); }

/* ── Sticky CTA ──────────────────────────────────────── */
.sticky-cta {
  position:fixed; bottom:0; left:0; right:0; z-index:200;
  background:rgba(7,8,15,0.95); backdrop-filter:blur(12px);
  border-top:1px solid var(--border); padding:14px 32px;
  display:flex; align-items:center; gap:16px;
  transform:translateY(100%); transition:transform .4s cubic-bezier(.16,1,.3,1);
}
.sticky-cta.visible { transform:translateY(0); }
.sticky-urgency { font-size:0.85rem; color:#94a3b8; flex:1; }
.sticky-urgency strong { color:var(--white); }



/* ═══════════════════════════════════════════════════════
   RESPONSIVE — Mobile-First
   Breakpoints : 480px · 640px · 768px · 900px · 1100px
═══════════════════════════════════════════════════════ */

/* ── Menu hamburger mobile ──────────────────────────── */
.nav-hamburger {
  display:none;
  flex-direction:column;
  justify-content:space-between;
  width:32px; height:22px;
  cursor:pointer; background:none; border:none; padding:0; z-index:200;
}
.nav-hamburger span {
  display:block; width:100%; height:2px;
  background:#fff; border-radius:2px;
  transition:all 0.3s ease; transform-origin:center;
}
.nav-hamburger.open span:nth-child(1) { transform:translateY(10px) rotate(45deg); }
.nav-hamburger.open span:nth-child(2) { opacity:0; transform:scaleX(0); }
.nav-hamburger.open span:nth-child(3) { transform:translateY(-10px) rotate(-45deg); }
.nav-mobile-menu {
  display:none; position:fixed;
  top:0; left:0; right:0; bottom:0;
  background:rgba(7,8,15,0.98); z-index:150;
  flex-direction:column; align-items:center; justify-content:center;
  gap:32px; padding:20px;
}
.nav-mobile-menu.open { display:flex; }
.nav-mobile-menu a {
  font-family:var(--font-title); font-size:1.4rem; font-weight:700;
  color:#fff; text-decoration:none; text-align:center;
  padding:12px 24px; border-radius:10px; transition:background 0.2s;
}
.nav-mobile-menu a:hover { background:rgba(129,140,248,0.15); color:var(--violet); }
.nav-mobile-close {
  position:absolute; top:20px; right:20px;
  background:none; border:none; color:#fff; font-size:2rem; cursor:pointer; line-height:1;
}

/* ── Tablette large (≤ 1100px) ─────────────────────── */
@media (max-width:1100px) {
  .contact-inner { grid-template-columns:1fr; gap:36px; }
  .contact-sidebar { position:static; }
  .pricing-grid { grid-template-columns:1fr 1fr; gap:20px; }
}

/* ── Tablette (≤ 900px) ─────────────────────────────── */
@media (max-width:900px) {
  .tunnel-nav { padding:0 20px; }
  .hero { padding:70px 24px 50px; min-height:auto; }
  .section { padding:64px 24px; }
  .contact-section { padding:64px 24px; }
  .stats-grid { grid-template-columns:repeat(2,1fr); gap:16px; }
  .steps-grid { grid-template-columns:1fr; gap:20px; }
  .pricing-grid { grid-template-columns:1fr; }
  .calc-results { grid-template-columns:1fr 1fr; }
  .contact-inner { grid-template-columns:1fr; }
  .contact-sidebar { position:static; }
  .contact-form-card { padding:32px 28px; }
  .hero-sub { font-size:1rem; }
  .urgency-block { padding:24px 20px; }
}

/* ── Mobile large (≤ 640px) ─────────────────────────── */
@media (max-width:640px) {
  /* Ticker */
  .ticker-bar { height:32px; }
  .ticker-item { font-size:0.72rem; padding:0 18px; gap:8px; }

  /* Nav tunnel mobile */
  .tunnel-nav { padding:0 16px; height:56px; top:32px; }
  .nav-logo { font-size:0.92rem; }
  .nav-logo .dot { width:26px; height:26px; }
  .nav-desktop-links { display:none !important; }
  .nav-hamburger { display:flex; }

  /* Hero */
  .hero { padding:56px 16px 40px; min-height:auto; }
  .hero h1 { font-size:clamp(1.9rem,8vw,2.6rem); margin-bottom:16px; }
  .hero-sub { font-size:0.93rem; margin-bottom:28px; }
  .hero-badge { font-size:0.72rem; padding:5px 12px; }
  .hero-ctas { flex-direction:column; gap:10px; margin-bottom:32px; }
  .hero-ctas .btn { width:100%; justify-content:center; padding:14px 20px; }
  .hero-trust { gap:12px; }
  .trust-item { font-size:0.78rem; }

  /* Stats */
  .stats-band { padding:28px 16px; }
  .stats-grid { grid-template-columns:1fr 1fr; gap:10px; }
  .stat-card { padding:20px 12px; }
  .stat-num { font-size:2rem; }
  .stat-label { font-size:0.76rem; }

  /* Sections */
  .section { padding:52px 16px; }
  .contact-section { padding:52px 16px; }
  .section-title { font-size:clamp(1.5rem,6vw,2rem); }
  .section-sub { font-size:0.93rem; margin-bottom:32px; }

  /* Étapes */
  .steps-grid { grid-template-columns:1fr; gap:16px; }
  .step-card { padding:22px 18px; }
  .step-deliverables { flex-direction:column; gap:6px; }

  /* Tarifs */
  .pricing-grid { grid-template-columns:1fr; gap:16px; }
  .pricing-card { padding:24px 18px; }

  /* Calculateur */
  .calc-results { grid-template-columns:1fr; gap:12px; }
  .calc-card { padding:18px 16px; }

  /* FAQ */
  .faq-question { font-size:0.9rem; padding:16px 14px; }
  .faq-answer { padding:0 14px 16px; font-size:0.87rem; }

  /* Formulaire */
  .contact-inner { gap:24px; }
  .contact-form-card { padding:24px 16px; border-radius:14px; }
  .contact-form-card h2 { font-size:1.2rem; }
  .form-row { grid-template-columns:1fr; }
  .form-input, .form-select, .form-textarea { font-size:16px; padding:12px 14px; }
  .form-submit { padding:14px 20px; font-size:0.95rem; }

  /* Sticky CTA */
  .sticky-cta { padding:10px 16px; gap:10px; }
  .sticky-urgency { display:none; }
  .sticky-cta .btn-sm { width:100%; justify-content:center; font-size:0.85rem; }

  /* Footer */
  .tunnel-footer { flex-direction:column; text-align:center; padding:20px 16px; }
  .footer-links { flex-wrap:wrap; justify-content:center; gap:12px; }

  /* Urgence */
  .urgency-block { padding:20px 16px; }
  .urgency-list li { font-size:0.85rem; }
}

/* ── Mobile petit (≤ 480px) ─────────────────────────── */
@media (max-width:480px) {
  .hero h1 { font-size:clamp(1.7rem,9vw,2.2rem); }
  .stats-grid { gap:8px; }
  .stat-num { font-size:1.8rem; }
  .section-title { font-size:clamp(1.4rem,7vw,1.8rem); }
  .nav-tel span { display:none; }
  .contact-form-card { padding:18px 12px; }
  .pricing-card.featured { transform:none; }
  .hero-badge { font-size:0.68rem; }
}