:root {
  --terracotta: #C2785C;
  --terracotta-deep: #A35D42;
  --terracotta-light: #D99A7E;
  --blush: #E8C4B8;
  --blush-light: #F2DDD6;
  --rose: #B56576;
  --sand: #F5EDE4;
  --sand-dark: #E8DDD0;
  --cream: #FBF7F3;
  --white: #FFFFFF;
  --charcoal: #2D2926;
  --text-dark: #3A3330;
  --text-mid: #6B5E57;
  --text-light: #9A8D85;
  --sage: #8FA68A;
  --sage-deep: #6B8B65;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { font-family: 'Nunito', sans-serif; color: var(--text-dark); background: var(--cream); overflow-x: hidden; }

/* ═══════ NAV ═══════ */
nav {
  position: fixed; top: 0; width: 100%; z-index: 1000;
  padding: 0.7rem 2rem;
  background: rgba(45,41,38,0.92);
  backdrop-filter: blur(20px);
  box-shadow: 0 4px 30px rgba(0,0,0,0.12);
}
.nav-inner { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; }
.nav-logo { font-family: 'Playfair Display', serif; font-size: 1.6rem; color: var(--white); text-decoration: none; letter-spacing: -0.5px; }
.nav-logo span { color: var(--blush); }
.nav-links { display: flex; gap: 2rem; list-style: none; align-items: center; }
.nav-links a { color: rgba(255,255,255,0.85); text-decoration: none; font-size: 0.9rem; font-weight: 400; transition: color 0.3s; letter-spacing: 0.3px; }
.nav-links a:hover { color: var(--blush); }
.nav-cta { background: var(--terracotta) !important; color: var(--white) !important; padding: 0.6rem 1.4rem; border-radius: 50px; font-weight: 600 !important; transition: background 0.3s !important; }
.nav-cta:hover { background: var(--terracotta-deep) !important; }
.nav-cta-alt { background: var(--rose) !important; color: var(--white) !important; padding: 0.6rem 1.4rem; border-radius: 50px; font-weight: 600 !important; transition: background 0.3s !important; }
.nav-cta-alt:hover { background: #9B4F60 !important; }
.mobile-toggle { display: none; background: none; border: none; color: var(--white); font-size: 1.5rem; cursor: pointer; }

/* ═══════ HERO ═══════ */
.hero {
  padding: 10rem 2rem 5rem;
  background: linear-gradient(135deg, var(--charcoal) 0%, #4A3B34 40%, var(--terracotta-deep) 100%);
  text-align: center;
}
.hero h1 {
  font-family: 'Playfair Display', serif;
  font-size: 3rem;
  color: var(--white);
  margin-bottom: 1rem;
  max-width: 700px;
  margin-left: auto; margin-right: auto;
}
.hero h1 em { color: var(--blush); font-style: italic; }
.hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1.15rem;
  max-width: 550px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ═══════ SECTIONS COMMUNES ═══════ */
section { padding: 5rem 2rem; }
section h2 {
  font-family: 'Playfair Display', serif;
  font-size: 2rem;
  color: var(--charcoal);
  margin-bottom: 1rem;
}
section h2 em { color: var(--terracotta); font-style: italic; }
.section-subtitle {
  color: var(--text-mid);
  font-size: 1.05rem;
  max-width: 600px;
  line-height: 1.7;
  margin-bottom: 2.5rem;
}
.section-inner { max-width: 1100px; margin: 0 auto; }

/* ═══════ LE PROBLÈME ═══════ */
.problem-section { background: var(--white); }
.problem-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}
.problem-text h2 { margin-bottom: 1.2rem; }
.problem-text p {
  color: var(--text-mid);
  font-size: 1rem;
  line-height: 1.8;
  margin-bottom: 1rem;
}
.problem-list {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}
.problem-item {
  display: flex;
  align-items: flex-start;
  gap: 0.8rem;
  padding: 1rem 1.2rem;
  background: var(--cream);
  border-radius: 12px;
  border-left: 3px solid var(--terracotta);
}
.problem-icon {
  font-size: 1.3rem;
  flex-shrink: 0;
  margin-top: 0.1rem;
}
.problem-item-text {
  font-size: 0.95rem;
  color: var(--text-dark);
  line-height: 1.5;
}
.problem-item-text strong { color: var(--charcoal); }

/* ═══════ LA SOLUTION ═══════ */
.solution-section { background: var(--cream); }
.solution-content {
  max-width: 750px;
  margin: 0 auto;
  text-align: center;
}
.solution-content h2 { margin-bottom: 1.2rem; }
.solution-content p {
  color: var(--text-mid);
  font-size: 1.05rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}
.solution-highlight {
  background: var(--white);
  border-radius: 20px;
  padding: 2rem 2.5rem;
  box-shadow: 0 8px 40px rgba(45,41,38,0.06);
  border: 1px solid var(--sand-dark);
  margin-top: 2rem;
  text-align: left;
}
.solution-highlight h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.3rem;
  color: var(--charcoal);
  margin-bottom: 0.8rem;
}
.solution-highlight p {
  font-size: 0.95rem;
  color: var(--text-mid);
  line-height: 1.7;
  margin-bottom: 0;
}

/* ═══════ 3 PILIERS ═══════ */
.piliers-section { background: var(--white); }
.piliers-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-top: 1rem;
}
.pilier-card {
  background: var(--cream);
  border-radius: 20px;
  padding: 2rem;
  text-align: center;
  border: 1px solid var(--sand-dark);
  transition: transform 0.3s, box-shadow 0.3s;
}
.pilier-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(45,41,38,0.1);
}
.pilier-icon {
  width: 64px; height: 64px;
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 1.2rem;
  font-size: 1.8rem;
}
.pilier-card:nth-child(1) .pilier-icon { background: var(--blush-light); }
.pilier-card:nth-child(2) .pilier-icon { background: #D4E8D0; }
.pilier-card:nth-child(3) .pilier-icon { background: #D6D0E8; }
.pilier-card h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.2rem;
  color: var(--charcoal);
  margin-bottom: 0.6rem;
}
.pilier-card p {
  font-size: 0.9rem;
  color: var(--text-mid);
  line-height: 1.6;
}

/* ═══════ PARCOURS ═══════ */
.parcours-section { background: linear-gradient(135deg, var(--charcoal) 0%, #4A3B34 50%, var(--terracotta-deep) 100%); color: var(--white); }
.parcours-section h2 { color: var(--white); }
.parcours-section h2 em { color: var(--blush); }
.parcours-section .section-subtitle { color: rgba(255,255,255,0.7); }
.parcours-timeline {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}
.parcours-step {
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 16px;
  padding: 1.8rem 1.5rem;
  text-align: center;
  position: relative;
  transition: transform 0.3s, background 0.3s;
}
.parcours-step:hover {
  transform: translateY(-4px);
  background: rgba(255,255,255,0.12);
}
.step-level {
  display: inline-block;
  background: var(--terracotta);
  color: var(--white);
  font-weight: 700;
  font-size: 0.85rem;
  padding: 0.3rem 0.9rem;
  border-radius: 50px;
  margin-bottom: 1rem;
  letter-spacing: 0.5px;
}
.parcours-step h3 {
  font-family: 'Playfair Display', serif;
  font-size: 1.1rem;
  color: var(--white);
  margin-bottom: 0.5rem;
}
.parcours-step p {
  font-size: 0.85rem;
  color: rgba(255,255,255,0.7);
  line-height: 1.5;
}
.step-arrow {
  position: absolute;
  right: -1.2rem;
  top: 50%;
  transform: translateY(-50%);
  font-size: 1.2rem;
  color: var(--blush);
}
.parcours-step:last-child .step-arrow { display: none; }

/* ═══════ CTA ═══════ */
.cta-section {
  background: var(--cream);
  text-align: center;
  padding: 5rem 2rem;
}
.cta-section h2 { margin-bottom: 0.8rem; }
.cta-section p {
  color: var(--text-mid);
  font-size: 1.05rem;
  max-width: 500px;
  margin: 0 auto 2rem;
  line-height: 1.7;
}
.cta-buttons { display: flex; gap: 1rem; justify-content: center; flex-wrap: wrap; }
.btn-primary {
  background: var(--terracotta);
  color: var(--white);
  padding: 0.9rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: background 0.3s, transform 0.2s;
  display: inline-block;
}
.btn-primary:hover { background: var(--terracotta-deep); transform: translateY(-2px); }
.btn-outline {
  border: 2px solid var(--charcoal);
  color: var(--charcoal);
  padding: 0.9rem 2rem;
  border-radius: 50px;
  text-decoration: none;
  font-weight: 700;
  font-size: 1rem;
  transition: background 0.3s, color 0.3s;
  display: inline-block;
}
.btn-outline:hover { background: var(--charcoal); color: var(--white); }

/* ═══════ FOOTER ═══════ */
footer {
  background: var(--charcoal);
  color: rgba(255,255,255,0.7);
  padding: 2.5rem 2rem;
  text-align: center;
}
.footer-inner { max-width: 1200px; margin: 0 auto; }
.footer-links { display: flex; justify-content: center; gap: 2rem; margin-bottom: 1rem; flex-wrap: wrap; list-style: none; padding: 0; }
.footer-links a { color: rgba(255,255,255,0.7); text-decoration: none; font-size: 0.85rem; transition: color 0.3s; }
.footer-links a:hover { color: var(--blush); }
.footer-copy { font-size: 0.8rem; color: rgba(255,255,255,0.4); }

/* ═══════ RESPONSIVE ═══════ */
@media (max-width: 768px) {
  .nav-links { display: none; }
  .mobile-toggle { display: block; }
  .hero h1 { font-size: 2rem; }
  .hero { padding: 8rem 1.5rem 3rem; }
  section { padding: 3rem 1.5rem; }
  .problem-grid { grid-template-columns: 1fr; gap: 2rem; }
  .piliers-grid { grid-template-columns: 1fr; }
  .parcours-timeline { grid-template-columns: 1fr; }
  .step-arrow { display: none !important; }
  .solution-highlight { padding: 1.5rem; }
}