/* ═══════════════════════════════════════════════════
   BrandBut — Feuille de styles commune — Thème Vert ESS
   ═══════════════════════════════════════════════════ */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&family=Playfair+Display:wght@700;800&display=swap');

:root {
  /* Vert corporate ESS */
  --green-900: #0D2B1A;
  --green-800: #143D25;
  --green-700: #1A5230;
  --green-600: #1E6B3C;
  --green-500: #2D8653;
  --green-400: #3DA36D;
  --green-300: #6DC193;
  --green-100: #E8F5EE;
  --green-50:  #F3FAF6;

  /* Accent chaud */
  --accent:     #E8A020;
  --accent-dk:  #C4841A;
  --accent-lt:  #FEF7E8;

  /* Neutres */
  --dark:       #0F1F14;
  --dark2:      #1C3324;
  --gray-700:   #3D5449;
  --gray-500:   #6B8578;
  --gray-200:   #D4E4DA;
  --gray-100:   #EEF5F0;
  --gray-50:    #F7FAF8;
  --white:      #FFFFFF;
  --border:     rgba(30,107,60,0.14);

  /* Typography */
  --fh: 'Playfair Display', Georgia, serif;
  --fb: 'Plus Jakarta Sans', -apple-system, sans-serif;

  /* Spacing */
  --r:    8px;
  --rl:   14px;
  --rxl:  20px;
  --nav:  72px;
  --shadow-sm: 0 1px 4px rgba(13,43,26,.08);
  --shadow:    0 4px 20px rgba(13,43,26,.10);
  --shadow-lg: 0 12px 48px rgba(13,43,26,.14);
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--fb);
  color: var(--dark);
  background: var(--white);
  font-size: 16px;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img { max-width: 100%; display: block; }
a  { text-decoration: none; color: inherit; }

/* ── HEADER ─────────────────────────────────────────── */
.site-header {
  position: sticky; top: 0; z-index: 1000;
  background: var(--white);
  border-bottom: 1px solid var(--border);
  height: var(--nav);
  box-shadow: var(--shadow-sm);
}
.header-inner {
  max-width: 1240px; margin: 0 auto; padding: 0 28px;
  display: flex; align-items: center; justify-content: space-between;
  height: 100%;
}
.logo-text {
  font-family: var(--fb);
  font-size: 22px; font-weight: 800; color: var(--dark);
  letter-spacing: -0.04em;
}
.logo-text span { color: var(--green-600); }
.logo-ess {
  font-size: 10px; font-weight: 600; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--gray-500);
  display: block; margin-top: -2px;
}
.header-phone {
  display: flex; align-items: center; gap: 8px;
  font-size: 16px; font-weight: 700; color: var(--green-700);
  font-family: var(--fb);
}
.header-contact { display: flex; align-items: center; gap: 14px; }
.main-nav { display: flex; align-items: center; gap: 2px; }
.main-nav a {
  font-size: 14px; font-weight: 500; padding: 8px 14px;
  border-radius: var(--r); color: var(--gray-700); transition: all .15s;
}
.main-nav a:hover, .main-nav a.active {
  color: var(--green-700); background: var(--green-100);
}
.hamburger {
  display: none; background: none; border: none; cursor: pointer;
  padding: 8px; border-radius: var(--r); color: var(--dark);
}
.mobile-nav {
  display: none; position: fixed;
  inset: var(--nav) 0 0 0;
  background: var(--white); z-index: 999;
  flex-direction: column; padding: 24px 24px;
  border-top: 1px solid var(--border);
  overflow-y: auto;
}
.mobile-nav.open { display: flex; }
.mobile-nav a {
  font-size: 18px; font-weight: 600; padding: 15px 0;
  border-bottom: 1px solid var(--border); color: var(--dark);
}
.mobile-nav .mobile-ctas {
  margin-top: 24px; display: flex; flex-direction: column; gap: 12px;
}

/* ── BUTTONS ─────────────────────────────────────────── */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: var(--fb); font-size: 15px; font-weight: 600;
  padding: 11px 22px; border-radius: var(--r);
  cursor: pointer; border: none; transition: all .18s ease;
  white-space: nowrap; letter-spacing: -0.01em;
}
.btn-primary {
  background: var(--green-700); color: #fff;
  box-shadow: 0 2px 8px rgba(30,107,60,.25);
}
.btn-primary:hover { background: var(--green-800); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(30,107,60,.30); }
.btn-outline {
  background: transparent; color: var(--green-700);
  border: 1.5px solid var(--green-700);
}
.btn-outline:hover { background: var(--green-100); }
.btn-ghost-dark {
  background: rgba(255,255,255,.12); color: #fff;
  border: 1.5px solid rgba(255,255,255,.28);
}
.btn-ghost-dark:hover { background: rgba(255,255,255,.20); }
.btn-lg { font-size: 16px; padding: 14px 30px; border-radius: var(--rl); }
.btn-xl { font-size: 17px; padding: 17px 36px; border-radius: var(--rl); }
.btn-white { background: #fff; color: var(--green-700); font-weight: 700; }
.btn-white:hover { background: var(--green-50); transform: translateY(-1px); }
.btn-ghost-white {
  background: transparent; color: #fff;
  border: 2px solid rgba(255,255,255,.40);
}
.btn-ghost-white:hover { border-color: #fff; background: rgba(255,255,255,.12); }

/* ── SECTIONS ────────────────────────────────────────── */
.section { padding: 96px 28px; }
.section-md { padding: 72px 28px; }
.section-alt { background: var(--gray-50); }
.section-dark { background: var(--green-900); color: #fff; }
.container { max-width: 1200px; margin: 0 auto; }
.container-sm { max-width: 800px; margin: 0 auto; }
.container-xs { max-width: 640px; margin: 0 auto; }

.eyebrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 11px; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--green-600);
  margin-bottom: 14px;
}
.eyebrow::before {
  content: ''; display: block; width: 20px; height: 2px;
  background: var(--green-500); border-radius: 2px;
}
.eyebrow-light { color: var(--green-300); }
.eyebrow-light::before { background: var(--green-400); }

.section-title {
  font-family: var(--fh);
  font-size: clamp(28px, 4vw, 44px);
  font-weight: 800; line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 18px;
  color: var(--dark);
}
.section-title-light { color: var(--white); }
.section-sub {
  font-size: 17px; color: var(--gray-500); line-height: 1.7;
  max-width: 580px;
}
.section-sub-light { color: rgba(255,255,255,.65); }

/* ── IMAGE PLACEHOLDERS ──────────────────────────────── */
.img-placeholder {
  background: var(--gray-100);
  border-radius: var(--rl);
  border: 2px dashed var(--gray-200);
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  gap: 10px; color: var(--gray-500);
  font-size: 13px; font-weight: 500;
  text-align: center; padding: 24px;
  position: relative; overflow: hidden;
}
.img-placeholder svg { opacity: .35; }
.img-placeholder .img-label {
  font-size: 11px; font-weight: 600; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--gray-500);
  background: var(--white); border: 1px solid var(--gray-200);
  padding: 4px 10px; border-radius: 99px; margin-top: 4px;
}

/* ── CARDS ───────────────────────────────────────────── */
.grid-2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px,1fr)); gap: 20px; margin-top: 40px; }
.grid-3 { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px,1fr)); gap: 20px; margin-top: 40px; }
.grid-4 { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); gap: 16px; margin-top: 36px; }

.card {
  background: var(--white); border-radius: var(--rl);
  border: 1px solid var(--border);
  padding: 32px 28px;
  transition: all .22s;
  box-shadow: var(--shadow-sm);
}
.card:hover {
  border-color: var(--green-500);
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
}
.card-link { display: block; color: inherit; }
.card-icon {
  width: 52px; height: 52px; border-radius: 14px;
  background: var(--green-100);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 20px; flex-shrink: 0;
}
.card-icon svg { color: var(--green-700); }
.card h3 {
  font-family: var(--fb); font-size: 18px; font-weight: 700;
  margin-bottom: 8px; letter-spacing: -0.02em;
  color: var(--dark);
}
.card p { font-size: 14px; color: var(--gray-500); line-height: 1.65; }
.price-tag {
  display: inline-block; margin-top: 14px;
  font-size: 13px; font-weight: 600;
  background: var(--green-100); color: var(--green-700);
  padding: 4px 12px; border-radius: 6px;
}
.badge-neuf { background: var(--green-100); color: var(--green-700); font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 6px; display: inline-block; }
.badge-occ  { background: var(--accent-lt); color: var(--accent-dk); font-size: 12px; font-weight: 600; padding: 3px 10px; border-radius: 6px; display: inline-block; }
.check-list { list-style: none; margin-top: 14px; display: flex; flex-direction: column; gap: 8px; }
.check-list li { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--gray-500); }
.check-list li::before {
  content: ''; display: block; width: 18px; height: 18px;
  border-radius: 5px; background: var(--green-600); flex-shrink: 0;
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='white' stroke-width='3' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M5 13l4 4L19 7'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: center;
}

/* ── FAQ ─────────────────────────────────────────────── */
.faq-list { display: flex; flex-direction: column; gap: 3px; margin-top: 36px; }
.faq-item {
  border-radius: var(--r); overflow: hidden;
  border: 1px solid var(--border); background: var(--white);
}
.faq-question {
  width: 100%; text-align: left; background: none; border: none;
  cursor: pointer; padding: 22px 26px;
  display: flex; justify-content: space-between; align-items: center;
  font-family: var(--fb); font-size: 16px; font-weight: 600;
  color: var(--dark); gap: 16px; transition: background .15s;
}
.faq-question:hover { background: var(--gray-50); }
.faq-question svg { flex-shrink: 0; transition: transform .2s; color: var(--gray-500); }
.faq-item.open .faq-question { background: var(--green-50); }
.faq-item.open .faq-question svg { transform: rotate(180deg); color: var(--green-600); }
.faq-answer {
  display: none; padding: 0 26px 22px;
  font-size: 15px; color: var(--gray-700); line-height: 1.75;
  background: var(--green-50);
}
.faq-item.open .faq-answer { display: block; }

/* ── CTA SECTION ─────────────────────────────────────── */
.cta-section {
  background: linear-gradient(135deg, var(--green-800) 0%, var(--green-900) 100%);
  color: #fff; padding: 96px 28px; text-align: center;
  position: relative; overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: radial-gradient(ellipse 60% 100% at 80% 50%, rgba(61,163,109,.18) 0%, transparent 70%);
  pointer-events: none;
}
.cta-section > .container { position: relative; }
.cta-section h2 {
  font-family: var(--fh);
  font-size: clamp(30px, 5vw, 50px);
  font-weight: 800; letter-spacing: -0.02em; margin-bottom: 16px;
}
.cta-section p { font-size: 18px; opacity: .75; margin-bottom: 40px; }
.cta-duo { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ── FOOTER ──────────────────────────────────────────── */
.site-footer {
  background: var(--green-900); color: rgba(255,255,255,.70);
  padding: 72px 28px 32px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: grid; grid-template-columns: 2.2fr 1fr 1fr 1fr; gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid rgba(255,255,255,.10);
}
.footer-logo { display: block; margin-bottom: 14px; }
.footer-logo .logo-text { font-size: 24px; }
.footer-brand > p { font-size: 14px; line-height: 1.75; margin-bottom: 18px; }
.footer-contact-links a {
  display: flex; align-items: center; gap: 10px;
  font-size: 15px; font-weight: 600; color: #fff; margin-bottom: 10px;
}
.footer-contact-links svg { color: var(--green-400); flex-shrink: 0; }
.footer-rcs { font-size: 12px; opacity: .40; margin-top: 14px; }
.footer-col h4 {
  font-size: 11px; font-weight: 700; color: #fff;
  margin-bottom: 16px; letter-spacing: .10em; text-transform: uppercase;
}
.footer-col a {
  display: block; font-size: 14px;
  color: rgba(255,255,255,.55); margin-bottom: 9px; transition: color .15s;
}
.footer-col a:hover { color: #fff; }
.footer-bottom {
  max-width: 1200px; margin: 28px auto 0;
  display: flex; justify-content: space-between; align-items: center;
  font-size: 13px; color: rgba(255,255,255,.35);
  flex-wrap: wrap; gap: 8px;
}
.footer-bottom a { color: rgba(255,255,255,.35); }
.footer-bottom a:hover { color: rgba(255,255,255,.65); }
.ess-badge {
  display: inline-flex; align-items: center; gap: 7px;
  background: rgba(45,134,83,.25); color: var(--green-300);
  font-size: 12px; font-weight: 600; padding: 6px 14px;
  border-radius: 99px; border: 1px solid rgba(45,134,83,.30);
  margin-top: 16px;
}

/* ── FLOAT BUTTON ────────────────────────────────────── */
.float-call {
  position: fixed; bottom: 28px; right: 28px; z-index: 900;
  display: flex; align-items: center; gap: 10px;
  background: var(--green-700); color: #fff;
  padding: 15px 24px; border-radius: 99px;
  font-family: var(--fb); font-size: 15px; font-weight: 700;
  box-shadow: 0 6px 32px rgba(30,107,60,.45);
  transition: all .20s; letter-spacing: -0.01em;
}
.float-call:hover { background: var(--green-800); transform: translateY(-3px); }
.float-call .pulse {
  width: 10px; height: 10px; border-radius: 50%; background: #fff;
  animation: pulse 1.8s infinite;
}
@keyframes pulse { 0%,100%{opacity:1;transform:scale(1)} 50%{opacity:.4;transform:scale(.65)} }

/* ── FORM ────────────────────────────────────────────── */
.form-group { margin-bottom: 22px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; margin-bottom: 7px; color: var(--dark); }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 13px 16px;
  border: 1.5px solid var(--gray-200);
  border-radius: var(--r);
  font-family: var(--fb); font-size: 15px;
  background: var(--white); color: var(--dark);
  transition: border-color .15s; outline: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus {
  border-color: var(--green-600);
  box-shadow: 0 0 0 3px rgba(30,107,60,.08);
}
.form-group textarea { min-height: 130px; resize: vertical; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.form-success {
  display: none;
  background: var(--green-100); color: var(--green-800);
  border-radius: var(--r); padding: 18px 22px;
  font-size: 15px; font-weight: 600; margin-top: 18px;
  border-left: 4px solid var(--green-600);
}

/* ── STATS ───────────────────────────────────────────── */
.stats-row { display: flex; gap: 40px; flex-wrap: wrap; margin-top: 36px; }
.stat-item strong { display: block; font-family: var(--fh); font-size: 36px; font-weight: 800; color: var(--green-700); }
.stat-item span { font-size: 14px; color: var(--gray-500); }
.stat-dark strong { color: var(--green-300); }
.stat-dark span { color: rgba(255,255,255,.55); }

/* ── LEGAL ───────────────────────────────────────────── */
.legal-content { max-width: 760px; margin: 0 auto; }
.legal-content h2 { font-family: var(--fh); font-size: 22px; font-weight: 700; margin: 40px 0 12px; color: var(--dark); }
.legal-content p, .legal-content li { font-size: 15px; color: var(--gray-700); line-height: 1.80; margin-bottom: 10px; }
.legal-content ul { padding-left: 20px; margin-bottom: 14px; }
.legal-content strong { color: var(--dark); }
.legal-content a { color: var(--green-600); }

/* ── DIVIDER ─────────────────────────────────────────── */
.divider {
  border: none; border-top: 1px solid var(--border); margin: 0;
}

/* ── RESPONSIVE ──────────────────────────────────────── */
@media (max-width: 1024px) {
  .footer-inner { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 900px) {
  .main-nav, .header-contact .btn { display: none; }
  .hamburger { display: flex; }
  .form-grid { grid-template-columns: 1fr; }
}
@media (max-width: 640px) {
  .section, .section-md { padding: 60px 20px; }
  .footer-inner { grid-template-columns: 1fr; }
  .float-call .label { display: none; }
  .float-call { padding: 18px; border-radius: 50%; }
  .float-call .pulse { display: none; }
  .footer-bottom { flex-direction: column; align-items: flex-start; gap: 6px; }
  .stats-row { gap: 24px; }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .cta-section { padding: 64px 20px; }
}