/* =========================================================
   Lead Earth - Feuille de style principale
   Style: Moderne / Premium · Inter + dégradés sobres
   ========================================================= */

:root{
  --bg:        #f7f8fb;
  --surface:   #ffffff;
  --ink:       #0c1322;
  --ink-2:     #2a3346;
  --muted:     #5b6679;
  --line:      #e6e9f1;
  --primary:   #2f6cff;
  --primary-2: #6f3bff;
  --accent:    #ffb547;
  --success:   #18b07b;
  --danger:    #e55a5a;
  --radius:    14px;
  --radius-lg: 22px;
  --shadow-sm: 0 4px 14px rgba(15,23,42,.06);
  --shadow-md: 0 12px 30px rgba(15,23,42,.08);
  --shadow-lg: 0 30px 80px rgba(31,45,90,.18);
  --grad: linear-gradient(135deg,#2f6cff 0%,#6f3bff 60%,#a455ff 100%);
}

*{box-sizing:border-box}
html{ scroll-behavior:smooth; overflow-x:hidden; }
body{
  margin:0;
  font-family:'Inter','Segoe UI',system-ui,-apple-system,sans-serif;
  font-size:16px; line-height:1.6;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  /* Évite que le scroll soit "verrouillé" sur les iframes embarquées (mobile). */
  overflow-x:hidden;
  overflow-y:auto;
  overscroll-behavior:auto;
  -webkit-overflow-scrolling:touch;
}
/* Sections : jamais d'overflow caché (sinon iframe capture le scroll). */
section, .panel, .panel-grid, .container{ overflow:visible }
a{color:var(--primary); text-decoration:none}
a:hover{text-decoration:underline}
img{max-width:100%; display:block}

.container{max-width:1180px; margin:0 auto; padding:0 24px}

/* ===== Buttons ===== */
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:.5rem;
  padding:.85rem 1.4rem; border-radius:999px; font-weight:600;
  border:1px solid transparent; cursor:pointer; transition:.2s;
  font-size:.95rem; text-decoration:none; white-space:nowrap;
}
.btn-primary{ background:var(--grad); color:#fff; box-shadow:0 8px 24px rgba(47,108,255,.35) }
.btn-primary:hover{ transform:translateY(-1px); box-shadow:0 12px 28px rgba(47,108,255,.45); text-decoration:none}
.btn-ghost{ background:rgba(255,255,255,.08); color:var(--ink); border-color:var(--line) }
.btn-ghost:hover{ background:#fff; text-decoration:none }
.btn-lg{ padding:1.05rem 1.8rem; font-size:1rem }
.btn-sm{ padding:.6rem 1rem; font-size:.88rem }

/* ===== Header ===== */
.site-header{
  position:sticky; top:0; z-index:50;
  background:rgba(255,255,255,.85);
  backdrop-filter:saturate(180%) blur(12px);
  -webkit-backdrop-filter:saturate(180%) blur(12px);
  border-bottom:1px solid var(--line);
}
.header-inner{ display:flex; align-items:center; justify-content:space-between; padding:14px 24px; gap:24px }
.logo{ display:flex; align-items:center; gap:.6rem; font-weight:800; font-size:1.15rem; color:var(--ink); text-decoration:none }
.logo-mark{
  display:inline-flex; align-items:center; justify-content:center;
  width:36px; height:36px; border-radius:10px;
  background:var(--grad); color:#fff; font-size:.85rem; font-weight:800; letter-spacing:.5px;
}
.logo-text{ letter-spacing:-.01em }
.logo-text span{ background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent }

.main-nav{ display:flex; gap:28px; flex:1; justify-content:center }
.nav-link{ color:var(--ink-2); font-weight:500; font-size:.95rem }
.nav-link:hover{ color:var(--primary); text-decoration:none }

.header-cta{ display:inline-flex }
.burger{ display:none; background:none; border:0; flex-direction:column; gap:5px; cursor:pointer; padding:8px }
.burger span{ width:22px; height:2px; background:var(--ink); border-radius:2px; transition:.2s }

/* ===== Hero ===== */
.hero{ position:relative; padding:90px 0 80px; overflow:hidden }
.hero-bg{
  position:absolute; inset:0; z-index:0;
  background:
    radial-gradient(1100px 500px at 80% -10%, rgba(111,59,255,.18), transparent 60%),
    radial-gradient(900px 500px at -10% 30%, rgba(47,108,255,.15), transparent 55%),
    linear-gradient(180deg, #fff 0%, var(--bg) 80%);
}
.hero-inner{ position:relative; z-index:1; display:grid; grid-template-columns:1.25fr .9fr; gap:48px; align-items:center }
.eyebrow{
  display:inline-block; font-size:.78rem; font-weight:600; letter-spacing:.12em; text-transform:uppercase;
  color:var(--primary); background:rgba(47,108,255,.08);
  padding:.45rem .8rem; border-radius:999px; margin-bottom:1.2rem;
}
.hero h1{
  font-size:clamp(2rem, 4.4vw, 3.4rem); line-height:1.1; margin:0 0 1rem;
  letter-spacing:-.02em; font-weight:800; color:var(--ink);
}
.grad{ background:var(--grad); -webkit-background-clip:text; background-clip:text; color:transparent }
.lead{ font-size:1.1rem; color:var(--muted); max-width:560px; margin-bottom:1.8rem }
.hero-cta{ display:flex; gap:14px; flex-wrap:wrap; margin-bottom:2.4rem }
.trust-row{ list-style:none; padding:0; margin:0; display:flex; gap:32px; flex-wrap:wrap; color:var(--muted); font-size:.92rem }
.trust-row strong{ color:var(--ink); display:block; font-size:1.4rem; font-weight:800 }

/* Hero card */
.hero-card{
  background:#fff; border-radius:var(--radius-lg); padding:24px 26px;
  box-shadow:var(--shadow-lg); border:1px solid var(--line);
  position:relative; transform:rotate(-1.5deg);
}
.hero-card::before{
  content:""; position:absolute; inset:-8px; border-radius:28px; z-index:-1;
  background:linear-gradient(135deg, rgba(47,108,255,.18), rgba(111,59,255,.18));
  filter:blur(30px);
}
.hc-row{ display:flex; justify-content:space-between; padding:12px 0; border-bottom:1px dashed var(--line); font-size:.95rem }
.hc-row span{ color:var(--muted) }
.hc-row strong{ font-weight:700 }
.hc-rate strong{ color:var(--primary); font-size:1.1rem }
.hc-bar{ height:8px; background:var(--line); border-radius:99px; margin:18px 0 10px; overflow:hidden }
.hc-bar-fill{ width:65%; height:100%; background:var(--grad); border-radius:99px }
.hc-foot{ font-size:.95rem; color:var(--muted) }
.hc-foot strong{ color:var(--ink) }

/* ===== Sections génériques ===== */
section{ padding:80px 0 }
.section-head{ text-align:center; max-width:680px; margin:0 auto 48px }
.section-head h2{ font-size:clamp(1.6rem, 3vw, 2.4rem); line-height:1.2; margin:8px 0 0; letter-spacing:-.02em; font-weight:800 }
h3{ font-weight:700; letter-spacing:-.01em }

/* ===== Tabs / Produits ===== */
.tabs{
  display:flex; gap:8px; padding:6px; background:#fff; border:1px solid var(--line);
  border-radius:999px; max-width:fit-content; margin:0 auto 32px; box-shadow:var(--shadow-sm);
  flex-wrap:wrap;
}
.tab{
  display:inline-flex; align-items:center; gap:.5rem;
  padding:.7rem 1.15rem; border:0; background:transparent; cursor:pointer;
  border-radius:999px; font-weight:600; font-size:.95rem; color:var(--ink-2); transition:.2s;
}
.tab:hover{ background:var(--bg) }
.tab.active{ background:var(--grad); color:#fff }
.tab-ico{ font-size:1.05rem }

.panel{ display:none }
.panel.active{ display:block; animation:fadeUp .35s ease both }
@keyframes fadeUp{ from{ opacity:0; transform:translateY(8px) } to{ opacity:1; transform:none } }

.panel-grid{
  display:grid; grid-template-columns:1fr 1.1fr; gap:40px; align-items:start;
  background:#fff; border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:40px; box-shadow:var(--shadow-md);
}
.panel-text h3{ font-size:1.6rem; margin:0 0 12px }
.panel-text p{ color:var(--muted); margin-bottom:1.2rem }
.check{ list-style:none; padding:0; margin:0 }
.check li{ position:relative; padding:.4rem 0 .4rem 28px; color:var(--ink-2) }
.check li::before{
  content:"✓"; position:absolute; left:0; top:.4rem; width:20px; height:20px;
  border-radius:99px; background:rgba(24,176,123,.12); color:var(--success);
  font-size:.78rem; font-weight:800; display:flex; align-items:center; justify-content:center;
}
/* Conteneur formulaires DevisProx — pas de min-height ni d'overflow:hidden
   pour ne pas bloquer le scroll sur la section conso (iframe qui capture le wheel). */
.dp-slot{
  background:var(--bg);
  border-radius:var(--radius);
  padding:8px;
  overflow:visible;
  position:relative;
  width:100%;
}
.dp-slot iframe{ width:100%; max-width:100%; display:block; border:0; }

/* ===== How ===== */
.how{ background:#fff }
.steps{ display:grid; grid-template-columns:repeat(3,1fr); gap:24px }
.step{
  background:var(--bg); border:1px solid var(--line); border-radius:var(--radius-lg);
  padding:32px; transition:.2s;
}
.step:hover{ transform:translateY(-3px); box-shadow:var(--shadow-md); border-color:transparent }
.step-num{
  font-size:.85rem; font-weight:800; color:var(--primary);
  background:rgba(47,108,255,.08); display:inline-block; padding:.3rem .7rem; border-radius:99px;
  margin-bottom:14px; letter-spacing:.05em;
}
.step h3{ margin:.2rem 0 .6rem; font-size:1.2rem }
.step p{ margin:0; color:var(--muted) }

/* ===== Trust ===== */
.trust{ background:var(--bg) }
.trust-grid{ display:grid; grid-template-columns:repeat(4,1fr); gap:20px }
.trust-card{
  background:#fff; border:1px solid var(--line); border-radius:var(--radius);
  padding:24px; text-align:left;
}
.trust-ico{ font-size:1.6rem; margin-bottom:10px }
.trust-card h4{ margin:0 0 6px; font-size:1.05rem }
.trust-card p{ margin:0; color:var(--muted); font-size:.93rem }

/* ===== FAQ ===== */
.faq{ background:#fff }
.faq-list{ max-width:780px; margin:0 auto; display:flex; flex-direction:column; gap:12px }
.faq-list details{
  background:var(--bg); border:1px solid var(--line); border-radius:var(--radius);
  padding:18px 22px; transition:.2s;
}
.faq-list details[open]{ background:#fff; box-shadow:var(--shadow-sm) }
.faq-list summary{ cursor:pointer; font-weight:600; list-style:none; display:flex; justify-content:space-between; align-items:center }
.faq-list summary::after{ content:"+"; font-size:1.4rem; color:var(--primary); font-weight:300 }
.faq-list details[open] summary::after{ content:"−" }
.faq-list p{ margin:.8rem 0 0; color:var(--muted) }

/* ===== CTA final ===== */
.cta-final{ background:var(--grad); color:#fff; text-align:center }
.cta-final h2{ color:#fff; margin:0 0 .8rem; font-size:clamp(1.6rem, 3vw, 2.2rem) }
.cta-final p{ margin:0 0 1.6rem; opacity:.92 }
.cta-final .btn-primary{ background:#fff; color:var(--ink); box-shadow:none }
.cta-final .btn-primary:hover{ background:#f4f4f4 }

/* ===== Footer ===== */
.site-footer{ background:#0c1322; color:#cbd0dc; padding:64px 0 32px; margin-top:0 }
.footer-grid{ display:grid; grid-template-columns:1.5fr 1fr 1fr 1fr; gap:32px; margin-bottom:40px }
.site-footer h5{ color:#fff; margin:0 0 12px; font-size:.95rem; letter-spacing:.02em }
.site-footer ul{ list-style:none; padding:0; margin:0; display:flex; flex-direction:column; gap:8px }
.site-footer a{ color:#cbd0dc; font-size:.92rem }
.site-footer a:hover{ color:#fff; text-decoration:none }
.logo-light{ color:#fff }
.logo-light .logo-text{ color:#fff }
.footer-baseline{ color:#8893a8; font-size:.92rem; max-width:300px }
.footer-bottom{ border-top:1px solid #1d2535; padding-top:24px; color:#6e7896; font-size:.82rem }

/* ===== Responsive ===== */
@media (max-width: 920px){
  .main-nav, .header-cta{ display:none }
  .burger{ display:flex }
  .site-header.menu-open .main-nav{
    display:flex; flex-direct