* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --bg: #1a1a1a;
  --bg2: #242424;
  --bg3: #2e2e2e;
  --fg: #f2f2ef;
  --muted: #a3a09a;
  --border: rgba(242,242,239,0.11);
  --white: #f2f2ef;
  --accent: #c9c6c0;
  --accent-soft: rgba(201,198,192,0.4);
  --accent-dim: rgba(201,198,192,0.16);
}
html { scroll-behavior: smooth; }
body { background: var(--bg); color: var(--fg); font-family: 'Playfair Display', serif; line-height: 1.6; }
a { color: inherit; text-decoration: none; }

/* NAV */
nav {
  position: fixed; top: 0; width: 100%; z-index: 100;
  background: var(--bg); backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 3rem; height: 68px;
}
.logo { font-family: 'Playfair Display', serif; font-size: 30px; letter-spacing: 3px; text-transform: uppercase; color: var(--fg); }
.logo span { opacity: 0.5; }
.nav-links { display: flex; gap: 1.8rem; }
.nav-links a { position: relative; font-size: 12px; letter-spacing: 2px; text-transform: uppercase; color: var(--muted); transition: color .25s ease; font-weight: 400; padding-bottom: 3px; }
.nav-links a::after { content: ''; position: absolute; left: 0; right: 100%; bottom: -1px; height: 1px; background: var(--accent); transition: right .3s ease; }
.nav-links a:hover, .nav-links a.active { color: var(--fg); }
.nav-links a:hover::after, .nav-links a.active::after { right: 0; }
.nav-cta {
  background: transparent; color: var(--fg); border: 1px solid var(--border);
  font-size: 11px; font-weight: 500; letter-spacing: 2px; text-transform: uppercase;
  padding: 10px 22px; cursor: pointer; transition: all .25s ease; font-family: 'Playfair Display', serif;
}
.nav-cta:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }
#link-membres { display: none; }

/* PAGES */
.page { display: none; }
.page.active { display: block; animation: pageFade .6s cubic-bezier(.16,.8,.24,1) both; }
@keyframes pageFade { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: none; } }

/* ---- HOME ---- */
.hero {
  min-height: 100vh; padding: 68px 0 0;
  display: grid; grid-template-columns: 1fr 1fr;
}
.hero-left {
  display: flex; flex-direction: column; justify-content: center;
  padding: 6rem 5rem 6rem 3rem;
}
.hero-tag { font-size: 11px; letter-spacing: 4px; text-transform: uppercase; color: var(--accent); margin-bottom: 2rem; font-weight: 500; }
.hero-title {
  font-family: 'Playfair Display', serif;
  font-size: clamp(48px, 5vw, 72px);
  font-weight: 900; line-height: 1.0;
  color: var(--fg); margin-bottom: 2.5rem;
}
.hero-title em { font-style: normal; color: var(--accent); }
.hero-body { font-size: 16px; color: var(--muted); max-width: 430px; line-height: 1.8; margin-bottom: 3rem; font-weight: 400; }
.hero-btns { display: flex; gap: 1rem; flex-wrap: wrap; }
.btn-main {
  background: var(--fg); color: var(--bg); padding: 14px 30px;
  font-size: 12px; font-weight: 500; letter-spacing: 2px; text-transform: uppercase;
  cursor: pointer; border: 1px solid var(--fg); font-family: 'Playfair Display', serif; transition: all .25s ease;
}
.btn-main:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.btn-ghost {
  background: transparent; color: var(--fg); border: 1px solid var(--border);
  padding: 14px 30px; font-size: 12px; font-weight: 400; letter-spacing: 2px;
  text-transform: uppercase; cursor: pointer; font-family: 'Playfair Display', serif; transition: all .25s ease;
}
.btn-ghost:hover { border-color: var(--accent-soft); color: var(--accent); }
.hero-right {
  position: relative; overflow: hidden;
  background: var(--bg2);
}
.hero-right img {
  width: 100%; height: 100%; object-fit: cover; object-position: top center;
  filter: grayscale(15%) contrast(1.05) saturate(1.15);
}
.hero-right::after {
  content: ''; position: absolute; inset: 0;
  background: linear-gradient(to right, var(--bg) 0%, transparent 25%);
}

/* STATS STRIP */
.stats {
  background: var(--bg2); border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  display: flex; padding: 2.5rem 3rem; gap: 0;
}
.stat { flex: 1; padding: 0 2rem; border-right: 1px solid var(--border); }
.stat:first-child { padding-left: 0; }
.stat:last-child { border-right: none; }
.stat-num { font-family: 'Playfair Display', serif; font-size: 36px; font-weight: 700; color: var(--accent); }
.stat-label { font-size: 11px; text-transform: uppercase; letter-spacing: 2px; color: var(--muted); margin-top: 4px; }

/* METHODE SECTION */
.section { padding: 100px 3rem; }
.section-label { font-size: 11px; text-transform: uppercase; letter-spacing: 3px; color: var(--accent); margin-bottom: 1.5rem; font-weight: 500; }
.section-title { font-family: 'Playfair Display', serif; font-size: clamp(30px, 3vw, 44px); font-weight: 700; margin-bottom: 2.5rem; line-height: 1.15; }
.section-body { font-size: 16px; color: var(--muted); line-height: 1.85; font-weight: 400; max-width: 600px; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 6rem; align-items: start; }

/* OFFERS */
.offers-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; margin-top: 4rem; background: var(--border); }
.offer-item { padding: 3rem 2.5rem; background: var(--bg2); position: relative; overflow: hidden; transition: background .3s ease; }
.offer-item::before { content: ''; position: absolute; top: 0; left: 0; width: 0; height: 2px; background: var(--accent); transition: width .45s ease; }
.offer-item:hover::before { width: 100%; }
.offer-item:hover { background: var(--bg3); }
.offer-num { font-family: 'Playfair Display', serif; font-size: 11px; color: var(--accent); letter-spacing: 2px; margin-bottom: 1.5rem; }
.offer-title { font-size: 19px; font-weight: 500; color: var(--fg); margin-bottom: 1rem; line-height: 1.35; }
.offer-desc { font-size: 14px; color: var(--muted); line-height: 1.7; font-weight: 400; }

/* COURS PAGE */
.cours-hero { padding: 160px 3rem 80px; }
.signup-frame { background: var(--bg2); border: 1px solid var(--border); padding: 2.5rem; margin-top: 3rem; text-align: center; }
.btn-signup {
  display: inline-block; margin-top: 2rem;
  background: var(--fg); color: var(--bg);
  padding: 14px 32px; font-size: 12px; font-weight: 500;
  letter-spacing: 2px; text-transform: uppercase; font-family: 'Playfair Display', serif;
  transition: all .25s ease; cursor: pointer; border: 1px solid var(--fg);
}
.btn-signup:hover { background: var(--accent); border-color: var(--accent); color: var(--bg); }
.signup-frame > .btn-signup:first-child { margin-top: 0; }

/* VIDEOS */
.videos-hero { padding: 160px 3rem 60px; }
.videos-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--border); margin-top: 3rem; }
.video-card { background: var(--bg2); padding: 0; overflow: hidden; transition: background .3s ease; }
.video-card:hover { background: var(--bg3); }
.video-thumb { height: 280px; background: var(--bg3); display: flex; align-items: center; justify-content: center; position: relative; }
.play-btn { width: 56px; height: 56px; border: 1px solid var(--accent-soft); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 16px; color: var(--accent); transition: all .3s ease; }
.video-card:hover .play-btn { background: var(--accent); color: var(--bg); border-color: var(--accent); }
.video-tag { position: absolute; top: 16px; left: 16px; font-size: 10px; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); }
.video-info { padding: 1.5rem; }
.video-title { font-size: 14px; font-weight: 500; color: var(--fg); margin-bottom: 0.4rem; }
.video-meta { font-size: 12px; color: var(--muted); letter-spacing: 1px; }
.videos-note { margin-top: 3rem; padding: 2rem 2.5rem; border: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; gap: 2rem; flex-wrap: wrap; }
.videos-note-text { font-size: 14px; color: var(--muted); line-height: 1.6; }
.video-cta { display: inline-block; margin-top: 1rem; font-size: 11px; letter-spacing: 1.5px; text-transform: uppercase; color: var(--fg); border-bottom: 1px solid rgba(240,237,230,0.3); padding-bottom: 2px; transition: opacity .2s; }
.video-cta:hover { opacity: 0.7; }
.videos-subsection { margin-top: 4rem; }
.videos-subsection:first-of-type { margin-top: 0; }
.videos-subtitle { font-family: 'Playfair Display', serif; font-size: 22px; font-weight: 600; color: #ffffff; margin: 0 0 0.5rem 0; padding-top: 2.5rem; border-top: 1px solid var(--border); }
.videos-subsection:first-of-type .videos-subtitle { padding-top: 0; border-top: none; }
.videos-subtitle-note { font-size: 13px; color: var(--muted); margin-bottom: 1.5rem; }
.videos-showcase-title { font-family: 'Playfair Display', serif; font-size: clamp(32px, 4vw, 48px); font-weight: 700; letter-spacing: 4px; text-transform: uppercase; text-align: center; color: #ffffff; margin: 0 0 0.5rem 0; padding-top: 2.5rem; border-top: 1px solid var(--border); }
.videos-subsection:first-of-type .videos-showcase-title { padding-top: 0; border-top: none; }
.videos-showcase-note { font-size: 13px; color: var(--muted); text-align: center; margin-bottom: 2rem; }

/* ESPRIT */
.esprit-section { padding: 160px 3rem 100px; }

/* ABOUT PAGE */
.about-wrap { padding: 160px 3rem 80px; }
.about-photo { position: relative; }
.about-photo img { width: 100%; display: block; filter: grayscale(15%); }
.about-content .section-label { margin-top: 0; }
.bio-text { font-size: 16px; color: var(--muted); line-height: 1.85; font-weight: 400; }
.bio-text p { margin-bottom: 1.5rem; }
.badges { display: flex; flex-direction: column; gap: 0; margin-top: 3rem; border-top: 1px solid var(--border); }
.badge-item { display: flex; align-items: center; gap: 1.5rem; padding: 1.25rem 0; border-bottom: 1px solid var(--border); }
.badge-label { font-size: 13px; color: var(--fg); }
.badge-val { font-size: 13px; color: var(--muted); margin-left: auto; }

/* FOOTER */
footer { background: var(--bg2); border-top: 1px solid var(--border); padding: 2.5rem 3rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.footer-logo { font-family: 'Playfair Display', serif; font-size: 16px; letter-spacing: 2px; text-transform: uppercase; }
.footer-meta { font-size: 12px; color: var(--muted); letter-spacing: 1px; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .hero-right { height: 55vh; }
  .hero-right::after { background: linear-gradient(to bottom, var(--bg) 0%, transparent 30%); }
  .two-col { grid-template-columns: 1fr; gap: 3rem; }
  .offers-grid { grid-template-columns: 1fr; }
  .videos-grid { grid-template-columns: 1fr; }
  .about-wrap { padding: 120px 1.5rem 60px; }
  nav { padding: 0 1.5rem; }
  .nav-links { gap: 1.5rem; }
  .hero-left { padding: 4rem 1.5rem 3rem; }
  .section { padding: 60px 1.5rem; }
  .stats { flex-wrap: wrap; padding: 2rem 1.5rem; }
  .stat { min-width: 45%; padding: 1rem; border: none; }
  .cours-hero, .videos-hero { padding: 120px 1.5rem 40px; }
}

/* === MOBILE RESPONSIVE === */
.hamburger {
  display: none;
  background: transparent;
  border: none;
  width: 32px;
  height: 32px;
  cursor: pointer;
  position: relative;
  padding: 0;
  z-index: 1001;
}
.hamburger span {
  display: block;
  position: absolute;
  left: 4px;
  right: 4px;
  height: 1.5px;
  background: var(--fg);
  transition: transform 0.3s ease, opacity 0.2s ease, top 0.3s ease;
}
.hamburger span:nth-child(1) { top: 9px; }
.hamburger span:nth-child(2) { top: 15px; }
.hamburger span:nth-child(3) { top: 21px; }
.hamburger.open span:nth-child(1) { top: 15px; transform: rotate(45deg); }
.hamburger.open span:nth-child(2) { opacity: 0; }
.hamburger.open span:nth-child(3) { top: 15px; transform: rotate(-45deg); }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; gap: 2rem; }
  .hero-right { order: -1; }
  .pillars { grid-template-columns: 1fr 1fr; }
  .videos-grid { grid-template-columns: 1fr 1fr; }
  .about-grid { grid-template-columns: 1fr; gap: 2rem; }
  .esprit-grid { grid-template-columns: 1fr; }
  #page-about > div[style*="grid-template-columns"] {
    grid-template-columns: 1fr !important;
    gap: 2rem !important;
    padding: 100px 1.5rem 60px !important;
  }
}

@media (max-width: 480px) {
  #page-about > div[style*="grid-template-columns"] {
    padding: 90px 1.2rem 50px !important;
  }
}

@media (max-width: 768px) {
  .hamburger { display: block; }
  .nav-cta { display: none; }
  #link-membres { display: inline-block; }
  .nav-links {
    position: fixed;
    top: 0;
    right: 0;
    width: 75%;
    max-width: 320px;
    height: 100vh;
    background: var(--bg);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 6rem 2rem 2rem;
    transform: translateX(100%);
    transition: transform 0.35s ease;
    border-left: 1px solid var(--border);
    z-index: 1000;
    gap: 2rem;
  }
  .nav-links.open { transform: translateX(0); }
  .nav-links a { font-size: 18px; }
  nav { padding: 1.2rem 1.5rem; }
  .hero { padding: 6rem 1.5rem 4rem; }
  .hero-title { font-size: clamp(40px, 11vw, 64px); line-height: 1.05; }
  .hero-body { font-size: 16px; }
  .hero-btns { flex-direction: column; align-items: stretch; }
  .hero-btns button { width: 100%; }
  .section-title { font-size: clamp(32px, 8vw, 48px); }
  .pillars { grid-template-columns: 1fr; gap: 0; }
  .pillar { padding: 2rem 1.5rem; border-right: none; border-bottom: 1px solid var(--border); }
  .pillar:last-child { border-bottom: none; }
  .videos-grid { grid-template-columns: 1fr; }
  .cours-hero { padding: 6rem 1.5rem 4rem; }
  .about-section { padding: 6rem 1.5rem 4rem; }
  .esprit-section { padding: 6rem 1.5rem 4rem; }
  .footer { padding: 2.5rem 1.5rem; }
  .btn-signup { font-size: 14px; padding: 1rem 1.5rem; }
}

@media (max-width: 430px) {
  nav { padding: 1rem 1.2rem; }
  .nav-logo { font-size: 14px; }
  .hero { padding: 5rem 1.2rem 3rem; }
  .hero-tag { font-size: 10px; letter-spacing: 2px; }
  .section-title { font-size: clamp(28px, 8vw, 40px); }
  .cours-hero, .about-section, .esprit-section { padding: 5rem 1.2rem 3rem; }
  .pillar { padding: 1.8rem 1.2rem; }
  .footer { padding: 2rem 1.2rem; font-size: 11px; }
  .btn-signup { font-size: 13px; padding: 0.9rem 1.2rem; }
}

.hero-lead {
  font-family: 'Playfair Display', serif;
  font-size: clamp(22px, 2.4vw, 28px);
  color: var(--fg);
  line-height: 1.5;
  font-weight: 400;
  margin-bottom: 2.2rem;
  max-width: 480px;
}
.hero-lead em {
  font-style: italic;
  color: var(--fg);
  border-bottom: 1px solid var(--accent-soft);
  padding-bottom: 2px;
}
.hero-price-line {
  margin-top: 1.2rem;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 400;
}
.hero-price-line span {
  opacity: 0.7;
}

@media (max-width: 600px) {
  .cours-hero div[style*="grid-template-columns: 1fr 1fr 1fr"],
  .cours-hero div[style*="grid-template-columns: 1fr 1fr"]:not([style*="1fr 1fr 1fr"]),
  .cours-hero .steps-grid {
    grid-template-columns: 1fr !important;
  }
  .cal-grid {
    grid-template-columns: 1fr !important;
    gap: 0.4rem 0 !important;
  }
  .cal-grid > div:nth-child(2n+1) {
    margin-top: 1.5rem;
  }
  .cal-grid > div:first-child {
    margin-top: 0;
  }
}
@media (max-width: 768px) {
  .logo { font-size: 15px !important; letter-spacing: 2px !important; }
  .logo img { height: 38px !important; width: 38px !important; }
  nav .logo + div, nav > div { gap: 8px !important; }
}
@media (max-width: 430px) {
  .logo { font-size: 13px !important; letter-spacing: 1.5px !important; }
  .logo img { height: 32px !important; width: 32px !important; }
}

.legal-page { padding: 140px 3rem 100px; max-width: 760px; margin: 0 auto; }
.legal-back { font-size: 11px; letter-spacing: 2.5px; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--border); padding-bottom: 4px; text-decoration: none; display: inline-block; margin-bottom: 2.5rem; transition: color 0.2s ease; }
.legal-back:hover { color: var(--fg); }
.legal-body { font-size: 15px; color: var(--muted); line-height: 1.85; font-weight: 400; }
.legal-body h3 { font-family: 'Playfair Display', serif; font-size: 19px; color: var(--fg); margin-top: 2.5rem; margin-bottom: 1rem; font-weight: 400; }
.legal-body p { margin-bottom: 1rem; }
.legal-body a { color: var(--fg); border-bottom: 1px solid var(--border); }
.legal-body strong { color: var(--fg); font-weight: 500; }
.legal-body ul { padding-left: 1.5rem; margin: 1rem 0; }
.legal-body li { margin-bottom: 0.5rem; }
.legal-body em { font-style: italic; }
.legal-body .legal-meta { font-size: 12px; color: var(--muted); margin-top: 3rem; padding-top: 1.5rem; border-top: 1px solid var(--border); }
@media (max-width: 768px) {
  .legal-page { padding: 120px 1.5rem 60px; }
  .legal-body h3 { font-size: 17px; }
}

@keyframes pulse { 0%,100%{opacity:0.9;box-shadow:0 0 6px rgba(240,237,230,0.5)} 50%{opacity:0.5;box-shadow:0 0 14px rgba(240,237,230,0.2)} }