:root {
  --primary: #2D5B47;
  --primary-deep: #1A3E2E;
  --primary-light: #4A8B6F;
  --secondary: #E8EFE8;
  --accent: #B87333;
  --accent-deep: #8A551F;
  --text: #2A2A2A;
  --muted: #7A7A7A;
  --line: #E0E5E8;
  --paper: #FFFFFF;
  --bg: #FAFBFC;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px; line-height: 1.65; color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased; -moz-osx-font-smoothing: grayscale;
  padding-left: 64px;
}

/* Bandeau vertical signature */
.side-banner {
  position: fixed; top: 0; left: 0; bottom: 0; width: 64px;
  background: var(--primary);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
}
.side-banner-text {
  color: #fff; font-size: 13px; font-weight: 600; letter-spacing: 0.4em;
  text-transform: uppercase; white-space: nowrap;
  transform: rotate(-90deg); transform-origin: center center;
}

/* Header sticky */
.site-header {
  position: sticky; top: 0; z-index: 40;
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.site-header-inner {
  max-width: 1100px; margin: 0 auto; padding: 16px 32px;
  display: flex; align-items: center; justify-content: space-between; gap: 24px;
}
.site-logo { display: flex; align-items: center; text-decoration: none; }
.site-logo svg { height: 52px; width: auto; display: block; }
.site-nav { display: flex; gap: 28px; font-size: 14px; }
.site-nav a {
  color: var(--text); text-decoration: none; font-weight: 500;
  transition: color 0.15s;
  padding: 6px 2px; border-bottom: 2px solid transparent;
}
.site-nav a:hover { color: var(--primary); }
.site-nav a.active {
  color: var(--primary); border-bottom-color: var(--accent); font-weight: 600;
}
.site-login {
  font-size: 13px; color: var(--muted); text-decoration: none;
  font-weight: 500; padding: 6px 14px;
  border: 1px solid var(--line); border-radius: 20px;
  transition: all 0.15s;
}
.site-login:hover { border-color: var(--primary); color: var(--primary); }
@media (max-width: 768px) {
  .site-nav { display: none; }
  body { padding-left: 48px; }
  .side-banner { width: 48px; }
  .side-banner-text { font-size: 11px; letter-spacing: 0.3em; }
}

/* Hero */
.hero { max-width: 1100px; margin: 0 auto; padding: 120px 32px 100px; text-align: left; }
.hero-eyebrow {
  display: inline-block; font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.25em;
  color: var(--accent); margin-bottom: 28px;
  padding: 6px 14px; background: rgba(184,115,51,0.08); border-radius: 20px;
}
.hero h1 {
  font-size: clamp(36px, 5.5vw, 64px); font-weight: 600;
  line-height: 1.1; letter-spacing: -0.02em;
  color: var(--primary-deep); margin-bottom: 24px; max-width: 18ch;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero .lead {
  font-size: clamp(17px, 2vw, 21px); line-height: 1.55;
  color: var(--muted); max-width: 36ch; margin-bottom: 40px; font-weight: 400;
}
.hero-ctas { display: flex; gap: 14px; flex-wrap: wrap; align-items: center; }

/* Boutons */
.btn {
  display: inline-block; padding: 14px 28px; font-size: 15px; font-weight: 600;
  text-decoration: none; border-radius: 28px; transition: all 0.2s;
  cursor: pointer; border: none; letter-spacing: 0.01em;
}
.btn-primary { background: var(--primary); color: #fff; }
.btn-primary:hover { background: var(--primary-deep); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(45,91,71,0.25); }
.btn-accent { background: var(--accent); color: #fff; }
.btn-accent:hover { background: var(--accent-deep); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(184,115,51,0.25); }
.btn-ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
.btn-ghost:hover { border-color: var(--primary); color: var(--primary); }

/* Sections */
section { scroll-margin-top: 80px; }
.section { max-width: 1100px; margin: 0 auto; padding: 100px 32px; }
.section-light-wrap { background: var(--secondary); }
.section-eyebrow {
  display: block; font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.25em;
  color: var(--accent); margin-bottom: 18px;
}
.section h2 {
  font-size: clamp(28px, 4vw, 40px); font-weight: 600;
  line-height: 1.15; letter-spacing: -0.015em;
  color: var(--primary-deep); margin-bottom: 28px; max-width: 20ch;
}
.section .body { max-width: 56ch; font-size: 17px; line-height: 1.75; color: var(--text); }
.section .body p { margin-bottom: 18px; }
.section .body em { font-style: italic; color: var(--primary-deep); }
.section .body strong { font-weight: 600; color: var(--primary-deep); }

/* Pour qui : audiences cards */
.audiences {
  display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 28px; margin-top: 40px;
}
.audience-card {
  background: var(--paper); border: 1px solid var(--line);
  border-left: 4px solid var(--primary); border-radius: 8px; padding: 28px 26px;
}
.audience-card:nth-child(1) { border-left-color: var(--primary); }
.audience-card:nth-child(2) { border-left-color: var(--primary-light); }
.audience-card:nth-child(3) { border-left-color: var(--accent); }
.audience-card:nth-child(4) { border-left-color: var(--primary-deep); }
.audience-card:nth-child(5) { border-left-color: var(--accent-deep); }
.audience-icon { font-size: 28px; margin-bottom: 14px; display: block; }
.audience-card h3 {
  font-size: 18px; font-weight: 600; color: var(--primary-deep);
  margin-bottom: 12px; letter-spacing: -0.005em;
}
.audience-card p { font-size: 14.5px; line-height: 1.65; color: var(--text); }

/* Écosystème (utilisé sur la landing résumée) */
.ecosystem {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 40px;
}
@media (max-width: 768px) { .ecosystem { grid-template-columns: 1fr; } }
.ecosystem-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
  padding: 30px 28px; text-align: center;
  transition: box-shadow 0.2s, transform 0.2s;
}
.ecosystem-card:hover {
  box-shadow: 0 6px 24px rgba(45,91,71,0.10); transform: translateY(-2px);
}
.ecosystem-logo {
  height: 180px; margin-bottom: 18px;
  display: flex; align-items: center; justify-content: center;
}
.ecosystem-logo img, .ecosystem-logo svg { max-height: 180px; max-width: 100%; width: auto; }
.ecosystem-card h3 {
  font-size: 14px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.18em; color: var(--primary); margin-bottom: 10px;
}
.ecosystem-card p { font-size: 14px; line-height: 1.6; color: var(--muted); }

/* Contact */
.contact-grid {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 40px; margin-top: 40px; align-items: start;
}
@media (max-width: 768px) { .contact-grid { grid-template-columns: 1fr; } }
.contact-card {
  background: var(--paper); border: 1px solid var(--line); border-radius: 12px;
  padding: 32px; box-shadow: 0 1px 4px rgba(45,91,71,0.04);
}
.contact-card h3 {
  font-size: 14px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.15em; color: var(--accent); margin-bottom: 18px;
}
.contact-item {
  display: flex; align-items: baseline; gap: 14px;
  padding: 12px 0; border-bottom: 1px dashed var(--line);
}
.contact-item:last-child { border-bottom: none; }
.contact-item .label {
  font-size: 12px; color: var(--muted); text-transform: uppercase;
  letter-spacing: 0.08em; min-width: 70px;
}
.contact-item .value { font-size: 15px; color: var(--text); font-weight: 500; }
.contact-item a { color: var(--primary); text-decoration: none; font-weight: 500; }
.contact-item a:hover { color: var(--accent); text-decoration: underline; }
.contact-cta {
  background: var(--primary); color: #fff; padding: 32px;
  border-radius: 12px; box-shadow: 0 4px 24px rgba(45,91,71,0.18);
}
.contact-cta h3 {
  font-size: 12px; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.20em; color: rgba(255,255,255,0.7); margin-bottom: 14px;
}
.contact-cta p { font-size: 18px; line-height: 1.55; font-weight: 500; margin-bottom: 24px; }
.contact-cta .btn { background: var(--accent); color: #fff; }
.contact-cta .btn:hover { background: var(--accent-deep); transform: translateY(-1px); }

/* Footer */
.site-footer {
  background: var(--primary-deep); color: rgba(255,255,255,0.85);
  padding: 50px 32px 28px; margin-top: 60px;
}
.site-footer-inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: flex-start;
  flex-wrap: wrap; gap: 30px;
}
.footer-brand { margin-bottom: 14px; }
.footer-brand svg { height: 80px; width: auto; display: block; }
.footer-slogan { font-style: italic; font-size: 13px; color: rgba(255,255,255,0.65); max-width: 30ch; }
.footer-meta { font-size: 12px; color: rgba(255,255,255,0.55); line-height: 1.7; text-align: right; }
.footer-meta a { color: rgba(255,255,255,0.85); text-decoration: none; transition: color 0.15s; }
.footer-meta a:hover { color: var(--accent); }
.footer-bar {
  max-width: 1100px; margin: 28px auto 0; padding-top: 20px;
  border-top: 1px solid rgba(255,255,255,0.12);
  font-size: 11px; color: rgba(255,255,255,0.45); letter-spacing: 0.05em;
  display: flex; justify-content: space-between; flex-wrap: wrap; gap: 12px;
}
@media (max-width: 768px) {
  .site-footer-inner { flex-direction: column; align-items: flex-start; }
  .footer-meta { text-align: left; }
}

/* Page intro (sous-header) */
.page-intro {
  max-width: 1100px; margin: 0 auto;
  padding: 80px 32px 40px;
}
.page-intro-eyebrow {
  display: inline-block; font-size: 12px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.25em;
  color: var(--accent); margin-bottom: 18px;
  padding: 6px 14px; background: rgba(184,115,51,0.08); border-radius: 20px;
}
.page-intro h1 {
  font-size: clamp(32px, 5vw, 52px); font-weight: 600;
  line-height: 1.1; letter-spacing: -0.02em;
  color: var(--primary-deep); margin-bottom: 24px; max-width: 24ch;
}
.page-intro .lead {
  font-size: clamp(17px, 1.6vw, 20px); line-height: 1.6;
  color: var(--muted); max-width: 56ch;
}