/* ============================================
   YELLOW SQUAD — Styles
   Palette : jaune / noir / anthracite / blanc
   ============================================ */

:root {
  --yellow: #FFD400;
  --yellow-soft: #FFE352;
  --yellow-dark: #E5BE00;
  --orange: #FF8A00;
  --gold: #D4A017;

  --black: #0A0A0A;
  --anthracite: #16181C;
  --anthracite-2: #1F2227;
  --gray: #2A2D33;
  --gray-light: #6A6E76;
  --white: #FFFFFF;
  --white-soft: #F7F7F8;

  --radius-sm: 8px;
  --radius: 14px;
  --radius-lg: 22px;

  --shadow-sm: 0 4px 14px rgba(0,0,0,0.12);
  --shadow: 0 10px 30px rgba(0,0,0,0.18);
  --shadow-yellow: 0 14px 40px rgba(255,212,0,0.35);

  --transition: 280ms cubic-bezier(.2,.8,.2,1);

  --font-display: 'Bebas Neue', 'Inter', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;

  --container: 1200px;
}

/* ===== Base ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
ul { list-style: none; padding: 0; margin: 0; }
button { font-family: inherit; cursor: pointer; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== Typography ===== */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  letter-spacing: 0.5px;
  line-height: 1.05;
  margin: 0 0 16px;
  text-transform: uppercase;
}
h1 { font-size: clamp(2.6rem, 6vw, 5.5rem); }
h2 { font-size: clamp(2rem, 4.5vw, 3.5rem); }
h3 { font-size: 1.6rem; letter-spacing: 0.8px; }
h4 { font-size: 1.05rem; letter-spacing: 1px; font-family: var(--font-body); font-weight: 800; text-transform: uppercase; }
p { margin: 0 0 14px; }

.highlight { color: var(--yellow); }
.underline { box-shadow: inset 0 -10px 0 rgba(0,0,0,0.85); padding: 0 4px; }
.eyebrow {
  display: inline-block;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray-light);
  margin-bottom: 14px;
  padding: 6px 12px;
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 99px;
}
.eyebrow.yellow { color: var(--yellow); border-color: rgba(255,212,0,0.4); background: rgba(255,212,0,0.06); }
.eyebrow.dark { color: var(--black); border-color: rgba(0,0,0,0.3); background: rgba(0,0,0,0.06); }

.lead { font-size: 1.1rem; color: var(--gray-light); max-width: 720px; margin: 0 auto; }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 28px;
  border-radius: 99px;
  font-weight: 700;
  font-size: 0.95rem;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  border: 2px solid transparent;
  transition: transform var(--transition), box-shadow var(--transition), background var(--transition), color var(--transition), border-color var(--transition);
  white-space: nowrap;
}
.btn:hover { transform: translateY(-2px); }
.btn:active { transform: translateY(0); }

.btn-primary { background: var(--yellow); color: var(--black); box-shadow: var(--shadow-yellow); }
.btn-primary:hover { background: var(--yellow-soft); box-shadow: 0 18px 50px rgba(255,212,0,0.5); }

.btn-ghost { background: transparent; color: var(--white); border-color: rgba(255,255,255,0.4); }
.btn-ghost:hover { background: var(--white); color: var(--black); border-color: var(--white); }

.btn-dark { background: var(--black); color: var(--yellow); }
.btn-dark:hover { background: var(--anthracite-2); }

.btn-lg { padding: 18px 36px; font-size: 1rem; }
.btn-sm { padding: 10px 20px; font-size: 0.85rem; }
.w-full { width: 100%; }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  padding: 14px 0;
  background: rgba(10,10,10,0.4);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.site-header.scrolled {
  background: rgba(10,10,10,0.92);
  padding: 8px 0;
  box-shadow: 0 4px 20px rgba(0,0,0,0.4);
}
.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--white);
}
.brand-logo {
  width: 48px;
  height: 48px;
  object-fit: contain;
  filter: brightness(0) invert(1) drop-shadow(0 4px 12px rgba(255,212,0,0.4));
}
.brand-name {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 2px;
  color: var(--white);
}
.brand-name span { color: var(--yellow); }

.nav { display: flex; align-items: center; gap: 28px; }
.nav ul { display: flex; gap: 24px; }
.nav a {
  color: var(--white);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  transition: color var(--transition);
}
.nav ul a::after {
  content: '';
  position: absolute;
  left: 50%; bottom: -6px;
  width: 0; height: 2px;
  background: var(--yellow);
  transition: width var(--transition), left var(--transition);
}
.nav ul a:hover { color: var(--yellow); }
.nav ul a:hover::after { width: 100%; left: 0; }
.nav-cta { padding: 10px 22px; font-size: 0.85rem; }

.burger {
  display: none;
  background: none;
  border: 0;
  width: 44px;
  height: 44px;
  position: relative;
}
.burger span {
  position: absolute;
  left: 10px; right: 10px;
  height: 2px;
  background: var(--white);
  transition: transform var(--transition), opacity var(--transition), top var(--transition);
}
.burger span:nth-child(1) { top: 14px; }
.burger span:nth-child(2) { top: 21px; }
.burger span:nth-child(3) { top: 28px; }
.burger.active span:nth-child(1) { top: 21px; transform: rotate(45deg); }
.burger.active span:nth-child(2) { opacity: 0; }
.burger.active span:nth-child(3) { top: 21px; transform: rotate(-45deg); }

/* ===== Hero — Editorial split ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  background: var(--black);
  color: var(--white);
  overflow: hidden;
  padding-top: 86px;
}

.hero-split {
  flex: 1;
  display: grid;
  grid-template-columns: 1.05fr 1fr;
  min-height: calc(100vh - 86px - 64px);
}

/* LEFT TEXT PANE */
.hero-pane-text {
  position: relative;
  background: var(--black);
  display: flex;
  align-items: center;
  padding: 60px 60px 80px max(48px, calc((100vw - 1200px) / 2 + 24px));
  overflow: hidden;
}
.hero-pane-text::before {
  content: '';
  position: absolute;
  top: -150px; left: -150px;
  width: 400px; height: 400px;
  background: radial-gradient(circle, rgba(255,212,0,0.18), transparent 70%);
  pointer-events: none;
}
.hero-pane-text::after {
  content: '';
  position: absolute;
  bottom: 0; right: -2px;
  top: 0;
  width: 4px;
  background: linear-gradient(180deg, transparent, var(--yellow) 40%, var(--yellow) 60%, transparent);
}

.hero-text-inner {
  position: relative;
  z-index: 1;
  max-width: 600px;
  width: 100%;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.7);
  padding: 10px 18px;
  border: 1px solid rgba(255,212,0,0.3);
  border-radius: 99px;
  background: rgba(255,212,0,0.05);
  margin-bottom: 32px;
}
.hero-eyebrow .dot {
  width: 8px; height: 8px;
  background: var(--yellow);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--yellow);
  animation: heroPulse 1.8s ease-in-out infinite;
}
@keyframes heroPulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(0.7); }
}

.hero-title {
  margin: 0 0 32px;
  line-height: 0.92;
  font-size: clamp(3rem, 7vw, 6rem);
  text-transform: uppercase;
  letter-spacing: 0;
}
.hero-title .line { display: block; }
.hero-title .line-sm { font-size: 0.55em; margin-top: 12px; opacity: 0.95; letter-spacing: 1px; }
.hero-title .hl {
  color: var(--yellow);
  position: relative;
  display: inline-block;
}
.hero-title .hl::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 4px;
  height: 8px;
  background: rgba(255,212,0,0.2);
  z-index: -1;
  transform: skewX(-12deg);
}

.hero-lead {
  font-size: 1.05rem;
  color: rgba(255,255,255,0.75);
  max-width: 480px;
  margin-bottom: 36px;
  line-height: 1.6;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-bottom: 48px;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 28px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.meta-item span {
  font-size: 0.7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,0.45);
  font-weight: 700;
}
.meta-item strong {
  font-family: var(--font-display);
  font-size: 1.4rem;
  color: var(--yellow);
  letter-spacing: 1px;
  line-height: 1;
}
.meta-divider {
  width: 1px;
  height: 32px;
  background: rgba(255,255,255,0.15);
}

/* RIGHT IMAGE PANE */
.hero-pane-image {
  position: relative;
  overflow: hidden;
  background: var(--anthracite);
}
.hero-image {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 28%;
  filter: contrast(1.05) saturate(0.95);
}
.hero-image-overlay {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(135deg, rgba(10,10,10,0.55) 0%, transparent 40%, transparent 70%, rgba(255,212,0,0.12) 100%);
  pointer-events: none;
}

.hero-badge {
  position: absolute;
  bottom: 32px;
  right: 32px;
  transform: rotate(-6deg);
  background: var(--yellow);
  color: var(--black);
  padding: 20px 26px;
  border-radius: 8px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  box-shadow: 0 18px 50px rgba(0,0,0,0.55), 0 0 0 4px rgba(0,0,0,0.85), 0 0 0 5px var(--yellow);
  z-index: 2;
  font-family: var(--font-display);
  letter-spacing: 1.5px;
}
.badge-top {
  font-size: 1.2rem;
  line-height: 1;
}
.badge-mid {
  font-size: 2.6rem;
  line-height: 1;
  margin: 4px 0;
  letter-spacing: 2px;
}
.badge-bottom {
  font-size: 0.7rem;
  font-family: var(--font-body);
  font-weight: 700;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding-top: 6px;
  border-top: 2px solid rgba(0,0,0,0.6);
  width: 100%;
}

.hero-corner {
  position: absolute;
  bottom: 24px; right: 24px;
  font-size: 1.4rem;
  color: var(--yellow);
  z-index: 2;
  opacity: 0.6;
  font-family: var(--font-display);
}

/* MARQUEE */
.hero-marquee {
  background: var(--yellow);
  color: var(--black);
  padding: 18px 0;
  overflow: hidden;
  border-top: 4px solid var(--black);
  border-bottom: 4px solid var(--black);
  position: relative;
  z-index: 3;
}
.marquee-track {
  display: flex;
  width: max-content;
  animation: marqueeScroll 30s linear infinite;
}
.marquee-content {
  display: flex;
  align-items: center;
  gap: 36px;
  padding-right: 36px;
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 2px;
  white-space: nowrap;
  text-transform: uppercase;
}
.marquee-content .sep {
  color: rgba(0,0,0,0.45);
  font-size: 1rem;
}
@keyframes marqueeScroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* ===== Sections ===== */
.section { padding: 110px 0; position: relative; }
.section-dark { background: var(--anthracite); color: var(--white); }
.section-dark .lead { color: rgba(255,255,255,0.7); }
.section-yellow { background: var(--yellow); color: var(--black); }
.section-yellow .eyebrow { color: var(--black); border-color: rgba(0,0,0,0.3); background: rgba(0,0,0,0.06); }

.section-head {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px;
}

.grid-2 {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

/* ===== About ===== */
.about-img {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
}
.about-img img {
  width: 100%;
  height: 540px;
  object-fit: cover;
  transition: transform 0.8s ease;
}
.about-img:hover img { transform: scale(1.05); }
.img-tag {
  position: absolute;
  bottom: 16px; left: 16px;
  background: var(--yellow);
  color: var(--black);
  padding: 8px 16px;
  border-radius: 99px;
  font-weight: 700;
  font-size: 0.85rem;
  letter-spacing: 1px;
  text-transform: uppercase;
}

.values { margin-top: 36px; display: flex; flex-direction: column; gap: 20px; }
.value-item {
  display: flex;
  gap: 18px;
  align-items: flex-start;
  padding: 18px;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  transition: transform var(--transition), border-color var(--transition);
}
.value-item:hover { transform: translateX(6px); border-color: var(--yellow); }
.value-ico {
  width: 52px; height: 52px;
  flex-shrink: 0;
  display: grid; place-items: center;
  background: var(--yellow);
  color: var(--black);
  border-radius: 12px;
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 1px;
}
.value-item h4 { margin-bottom: 4px; color: var(--yellow); }
.value-item p { margin: 0; color: rgba(255,255,255,0.75); font-size: 0.95rem; }

/* ===== Manifesto ===== */
.manifesto {
  position: relative;
  padding: 140px 0;
  color: var(--white);
  overflow: hidden;
}
.manifesto-bg {
  position: absolute; inset: 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  filter: brightness(0.35) grayscale(40%);
}
.manifesto::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(10,10,10,0.4), rgba(10,10,10,0.85));
}
.manifesto-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 900px;
}
.manifesto blockquote {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.5vw, 2.8rem);
  line-height: 1.2;
  letter-spacing: 1px;
  margin: 0 0 24px;
  text-transform: uppercase;
}
.manifesto cite {
  font-style: normal;
  font-weight: 700;
  letter-spacing: 2px;
  color: var(--yellow);
  text-transform: uppercase;
  font-size: 0.9rem;
}

/* ===== Cards (Cours) ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.card {
  background: var(--white);
  border: 1px solid rgba(0,0,0,0.06);
  border-radius: var(--radius);
  padding: 32px 26px;
  transition: transform var(--transition), box-shadow var(--transition), border-color var(--transition);
  position: relative;
  overflow: hidden;
}
.card::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: var(--yellow);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s ease;
}
.card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow);
  border-color: var(--yellow);
}
.card:hover::before { transform: scaleX(1); }
.card-ico {
  width: 64px; height: 64px;
  background: var(--black);
  color: var(--yellow);
  display: grid; place-items: center;
  border-radius: 14px;
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 1px;
  margin-bottom: 20px;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.card:hover .card-ico { background: var(--yellow); color: var(--black); transform: rotate(-4deg); }
.card h3 { margin-bottom: 10px; }
.card p { color: var(--gray-light); font-size: 0.95rem; margin: 0; }

.card-cta {
  background: linear-gradient(135deg, var(--black) 0%, var(--anthracite-2) 100%);
  color: var(--white);
  border: 0;
}
.card-cta::before { background: var(--yellow); transform: scaleX(1); }
.card-cta .card-ico {
  background: var(--yellow);
  color: var(--black);
  font-size: 2rem;
}
.card-cta p { color: rgba(255,255,255,0.8); margin-bottom: 18px; }
.card-cta:hover { transform: translateY(-8px); }

/* ===== Pricing ===== */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.pricing-card {
  background: var(--anthracite-2);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  padding: 32px 26px;
  position: relative;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
  display: flex;
  flex-direction: column;
}
.pricing-card:hover { transform: translateY(-6px); border-color: var(--yellow); box-shadow: var(--shadow); }
.pricing-card h3 { color: var(--yellow); margin-bottom: 14px; }
.price {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 22px;
  padding-bottom: 22px;
  border-bottom: 1px dashed rgba(255,255,255,0.15);
}
.amount {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--white);
  line-height: 1;
}
.unit { color: rgba(255,255,255,0.65); font-size: 0.9rem; }
.pricing-card ul { display: flex; flex-direction: column; gap: 10px; margin-bottom: 24px; flex-grow: 1; }
.pricing-card li {
  position: relative;
  padding-left: 24px;
  color: rgba(255,255,255,0.85);
  font-size: 0.95rem;
}
.pricing-card li::before {
  content: '✓';
  position: absolute;
  left: 0; top: 0;
  color: var(--yellow);
  font-weight: 800;
}

.highlight-card {
  background: linear-gradient(180deg, var(--yellow) 0%, var(--yellow-dark) 100%);
  color: var(--black);
  border: 0;
  transform: scale(1.03);
  box-shadow: var(--shadow-yellow);
}
.highlight-card:hover { transform: scale(1.03) translateY(-6px); }
.highlight-card h3 { color: var(--black); }
.highlight-card .amount { color: var(--black); }
.highlight-card .unit { color: rgba(0,0,0,0.65); }
.highlight-card .price { border-bottom-color: rgba(0,0,0,0.2); }
.highlight-card li { color: var(--black); }
.highlight-card li::before { color: var(--black); }

.ribbon {
  position: absolute;
  top: -12px; right: 20px;
  background: var(--black);
  color: var(--yellow);
  padding: 6px 14px;
  border-radius: 99px;
  font-size: 0.7rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* ===== Gallery ===== */
.gallery {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  grid-auto-rows: 220px;
  gap: 16px;
}
.gallery-item {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  cursor: zoom-in;
  background: var(--anthracite);
}
.gi-tall { grid-row: span 2; }
.gi-wide { grid-column: span 2; }

.gallery-item img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.7s ease, filter 0.4s ease;
}
.gallery-item::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(10,10,10,0.85) 100%);
  opacity: 0;
  transition: opacity var(--transition);
}
.gallery-item::before {
  content: attr(data-caption);
  position: absolute;
  left: 18px; bottom: 18px;
  color: var(--yellow);
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.85rem;
  z-index: 2;
  opacity: 0;
  transform: translateY(10px);
  transition: opacity var(--transition), transform var(--transition);
}
.gallery-item:hover img { transform: scale(1.08); }
.gallery-item:hover::after { opacity: 1; }
.gallery-item:hover::before { opacity: 1; transform: translateY(0); }

/* Lightbox */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.95);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 200;
  padding: 40px;
}
.lightbox.active { display: flex; }
.lightbox figure {
  margin: 0;
  max-width: 90vw;
  max-height: 85vh;
  text-align: center;
}
.lightbox img {
  max-width: 100%;
  max-height: 80vh;
  border-radius: var(--radius);
  box-shadow: 0 20px 60px rgba(0,0,0,0.6);
}
.lightbox figcaption {
  color: var(--yellow);
  margin-top: 16px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.lightbox-close, .lightbox-prev, .lightbox-next {
  position: absolute;
  background: rgba(255,212,0,0.15);
  color: var(--yellow);
  border: 2px solid var(--yellow);
  width: 56px; height: 56px;
  border-radius: 50%;
  font-size: 2rem;
  display: grid; place-items: center;
  transition: background var(--transition), transform var(--transition);
}
.lightbox-close:hover, .lightbox-prev:hover, .lightbox-next:hover {
  background: var(--yellow);
  color: var(--black);
  transform: scale(1.1);
}
.lightbox-close { top: 24px; right: 24px; }
.lightbox-prev { left: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-next { right: 24px; top: 50%; transform: translateY(-50%); }
.lightbox-prev:hover { transform: translateY(-50%) scale(1.1); }
.lightbox-next:hover { transform: translateY(-50%) scale(1.1); }

/* ===== Why Choose Us ===== */
.why-section {
  position: relative;
  overflow: hidden;
}
.why-bg-pattern {
  position: absolute;
  inset: 0;
  background-image:
    radial-gradient(circle at 15% 20%, rgba(255,212,0,0.08) 0%, transparent 35%),
    radial-gradient(circle at 85% 80%, rgba(255,138,0,0.06) 0%, transparent 35%);
  pointer-events: none;
}
.why-section .container { position: relative; z-index: 1; }

.why-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.why-item {
  position: relative;
  padding: 40px 32px 36px;
  background: linear-gradient(160deg, var(--anthracite-2) 0%, #14161a 100%);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: transform 0.4s cubic-bezier(.2,.8,.2,1), border-color 0.3s, box-shadow 0.4s;
  isolation: isolate;
}
.why-item::before {
  content: attr(data-num);
  position: absolute;
  top: -38px;
  right: -14px;
  font-family: var(--font-display);
  font-size: 11rem;
  line-height: 1;
  color: rgba(255,212,0,0.06);
  pointer-events: none;
  z-index: 0;
  transition: color 0.5s ease, transform 0.5s ease;
}
.why-item::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--yellow), var(--orange));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(.2,.8,.2,1);
  z-index: 1;
}
.why-item:hover {
  transform: translateY(-10px);
  border-color: rgba(255,212,0,0.4);
  box-shadow: 0 20px 50px rgba(0,0,0,0.4), 0 0 0 1px rgba(255,212,0,0.15);
}
.why-item:hover::before {
  color: rgba(255,212,0,0.18);
  transform: rotate(-6deg) scale(1.05);
}
.why-item:hover::after { transform: scaleX(1); }

.why-bar {
  position: relative;
  z-index: 2;
  width: 48px;
  height: 4px;
  background: var(--yellow);
  border-radius: 2px;
  margin-bottom: 22px;
  transition: width 0.4s cubic-bezier(.2,.8,.2,1), background 0.3s;
}
.why-item:hover .why-bar {
  width: 80px;
}

.why-item h3 {
  position: relative;
  z-index: 2;
  color: var(--white);
  margin-bottom: 12px;
  font-size: 1.5rem;
}
.why-item p {
  position: relative;
  z-index: 2;
  color: rgba(255,255,255,0.72);
  margin: 0 0 22px;
  font-size: 0.96rem;
  line-height: 1.55;
}
.why-tag {
  position: relative;
  z-index: 2;
  display: inline-block;
  padding: 6px 14px;
  background: rgba(255,212,0,0.12);
  color: var(--yellow);
  border: 1px solid rgba(255,212,0,0.25);
  border-radius: 99px;
  font-size: 0.72rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  transition: background 0.3s, color 0.3s;
}
.why-item:hover .why-tag {
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}


/* ===== Testimonials ===== */
.testimonials {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.testimonial {
  background: var(--white-soft);
  border-left: 4px solid var(--yellow);
  padding: 28px;
  border-radius: var(--radius);
  margin: 0;
  position: relative;
  transition: transform var(--transition), box-shadow var(--transition);
}
.testimonial::before {
  content: '"';
  position: absolute;
  top: -10px; left: 16px;
  font-family: var(--font-display);
  font-size: 5rem;
  color: var(--yellow);
  line-height: 1;
  opacity: 0.4;
}
.testimonial:hover { transform: translateY(-4px); box-shadow: var(--shadow-sm); }
.testimonial p {
  font-style: italic;
  color: var(--anthracite);
  font-size: 1.02rem;
  margin: 10px 0 16px;
}
.testimonial cite {
  font-style: normal;
  font-weight: 700;
  color: var(--gray-light);
  font-size: 0.9rem;
  letter-spacing: 0.5px;
}

.socials { display: flex; gap: 12px; margin-top: 20px; }
.social {
  width: 44px; height: 44px;
  display: grid; place-items: center;
  background: rgba(255,255,255,0.06);
  color: var(--white);
  border: 1px solid rgba(255,255,255,0.15);
  border-radius: 50%;
  font-weight: 800;
  font-size: 0.85rem;
  letter-spacing: 0.5px;
  transition: background var(--transition), color var(--transition), transform var(--transition);
}
.social:hover {
  background: var(--yellow);
  color: var(--black);
  transform: translateY(-3px) rotate(-5deg);
  border-color: var(--yellow);
}
.social svg { width: 20px; height: 20px; }

/* ===== FAQ ===== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: var(--radius);
  transition: border-color 0.3s, background 0.3s;
  overflow: hidden;
}
.faq-item[open] {
  border-color: rgba(255,212,0,0.45);
  background: rgba(255,212,0,0.05);
}
.faq-item summary {
  list-style: none;
  cursor: pointer;
  padding: 22px 26px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--white);
  user-select: none;
  transition: color 0.3s;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::marker { display: none; content: ''; }
.faq-item summary:hover { color: var(--yellow); }
.faq-item[open] summary { color: var(--yellow); }

.faq-icon {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--yellow);
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border: 2px solid rgba(255,212,0,0.5);
  background: rgba(255,212,0,0.08);
  border-radius: 50%;
  flex-shrink: 0;
  transition: transform 0.35s cubic-bezier(.2,.8,.2,1), background 0.3s, color 0.3s, border-color 0.3s;
}
.faq-item[open] .faq-icon {
  transform: rotate(45deg);
  background: var(--yellow);
  color: var(--black);
  border-color: var(--yellow);
}

.faq-body {
  padding: 0 26px 24px;
  color: rgba(255,255,255,0.72);
  line-height: 1.65;
  font-size: 0.97rem;
}
.faq-body p { margin: 0; }

/* ===== Contact section (Instagram-first) ===== */
.contact-section {
  position: relative;
  overflow: hidden;
}
.contact-section::before {
  content: '';
  position: absolute;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,212,0,0.12) 0%, transparent 70%);
  top: -200px; left: -200px;
  pointer-events: none;
}
.contact-section::after {
  content: '';
  position: absolute;
  width: 500px; height: 500px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255,138,0,0.08) 0%, transparent 70%);
  bottom: -150px; right: -150px;
  pointer-events: none;
}
.contact-wrap { max-width: 880px; margin: 0 auto; position: relative; z-index: 1; }
.contact-cta { text-align: center; margin-top: 30px; }

.yellow-text { color: var(--yellow); }

.ig-btn {
  display: inline-flex;
  align-items: center;
  gap: 18px;
  padding: 22px 40px 22px 28px;
  background: var(--yellow);
  color: var(--black);
  border-radius: 99px;
  box-shadow: 0 14px 40px rgba(255,212,0,0.35);
  transition: transform var(--transition), box-shadow var(--transition), color var(--transition);
  position: relative;
  overflow: hidden;
}
.ig-btn::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, #f09433 0%, #e6683c 25%, #dc2743 50%, #cc2366 75%, #bc1888 100%);
  opacity: 0;
  transition: opacity var(--transition);
  z-index: 0;
}
.ig-btn > * { position: relative; z-index: 1; }
.ig-btn:hover {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 20px 50px rgba(220,39,67,0.5);
  color: var(--white);
}
.ig-btn:hover::before { opacity: 1; }

.ig-ico {
  width: 56px; height: 56px;
  display: grid; place-items: center;
  background: var(--black);
  color: var(--yellow);
  border-radius: 50%;
  flex-shrink: 0;
  transition: background var(--transition), color var(--transition);
}
.ig-ico svg { width: 28px; height: 28px; }
.ig-btn:hover .ig-ico { background: var(--white); color: #dc2743; }

.ig-text {
  display: flex;
  flex-direction: column;
  text-align: left;
  line-height: 1.2;
}
.ig-text small {
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  opacity: 0.75;
}
.ig-text strong {
  font-family: var(--font-display);
  font-size: 1.8rem;
  letter-spacing: 1px;
  color: var(--black);
  margin-top: 2px;
  transition: color var(--transition);
}
.ig-btn:hover .ig-text strong { color: var(--white); }
.ig-arrow {
  font-size: 1.6rem;
  font-weight: 800;
  transition: transform var(--transition);
}
.ig-btn:hover .ig-arrow { transform: translateX(6px); }

.contact-alt {
  margin: 50px 0 18px;
  font-weight: 600;
  color: rgba(255,255,255,0.6);
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

.socials-lg { justify-content: center; gap: 14px; }
.socials-lg .social {
  width: 56px; height: 56px;
  font-size: 1rem;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--black);
  color: rgba(255,255,255,0.7);
  padding: 70px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 50px;
}
.site-footer h4 { color: var(--yellow); margin-bottom: 18px; }
.site-footer ul { display: flex; flex-direction: column; gap: 10px; }
.site-footer a { color: rgba(255,255,255,0.7); transition: color var(--transition); font-size: 0.95rem; }
.site-footer a:hover { color: var(--yellow); }
.footer-tag { margin-top: 14px; font-size: 0.95rem; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 22px 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.85rem;
  max-width: var(--container);
  margin: 0 auto;
}

/* ===== Back to top ===== */
.back-to-top {
  position: fixed;
  bottom: 24px; right: 24px;
  width: 48px; height: 48px;
  background: var(--yellow);
  color: var(--black);
  border-radius: 50%;
  display: grid;
  place-items: center;
  font-size: 1.4rem;
  font-weight: 800;
  z-index: 90;
  opacity: 0;
  pointer-events: none;
  transform: translateY(20px);
  transition: opacity var(--transition), transform var(--transition);
  box-shadow: var(--shadow);
}
.back-to-top.visible {
  opacity: 1;
  pointer-events: auto;
  transform: translateY(0);
}
.back-to-top:hover { background: var(--yellow-soft); transform: translateY(-3px); }

/* ===== Reveal animation ===== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s cubic-bezier(.2,.8,.2,1);
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Responsive ===== */
@media (max-width: 960px) {
  .grid-2 { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .gallery {
    grid-template-columns: repeat(2, 1fr);
    grid-auto-rows: 1fr;
    gap: 3px;
  }
  .gi-tall { grid-row: span 1; }
  .gi-wide { grid-column: span 1; }
  .gallery-item {
    aspect-ratio: 1;
    border-radius: 0;
  }
  .hero {
    padding-top: 0;
    min-height: auto;
  }
  .hero-split {
    display: flex;
    flex-direction: column;
    grid-template-columns: 1fr;
    flex: 0 0 auto;
    min-height: 0;
  }
  .hero-pane-image {
    flex-shrink: 0;
    height: 37.5vh;
    min-height: 240px;
    max-height: 300px;
    order: -1;
  }
  .hero-pane-image .hero-image { object-position: center center; }
  .hero-pane-text {
    flex: 0 0 auto;
    padding: 18px 22px 20px;
  }
  .hero-pane-text::after { display: none; }
  .hero-text-inner { width: 100%; }
  .hero-eyebrow { display: none; }
  .hero-title {
    font-size: clamp(2rem, 8.5vw, 2.8rem);
    margin-bottom: 14px;
    line-height: 0.95;
  }
  .hero-title .line-sm { font-size: 0.55em; margin-top: 6px; }
  .hero-lead {
    font-size: 0.98rem;
    margin-bottom: 18px;
    line-height: 1.5;
  }
  .hero-actions {
    flex-direction: row;
    gap: 10px;
    margin-bottom: 0;
  }
  .hero-actions .btn {
    padding: 13px 14px;
    font-size: 0.85rem;
    flex: 1;
  }
  .hero-meta {
    padding-top: 16px;
    gap: 16px;
    margin-top: 14px;
  }
  .meta-item span { font-size: 0.6rem; letter-spacing: 1.5px; }
  .meta-item strong { font-size: 1rem; }
  .hero-marquee {
    padding: 8px 0;
    flex-shrink: 0;
  }
  .marquee-content {
    font-size: 0.95rem;
    gap: 18px;
    padding-right: 18px;
  }
  .hero-badge {
    bottom: 14px;
    right: 14px;
    padding: 12px 16px;
    border-radius: 6px;
    box-shadow: 0 10px 24px rgba(0,0,0,0.5), 0 0 0 3px rgba(0,0,0,0.85), 0 0 0 4px var(--yellow);
  }
  .badge-top { font-size: 0.85rem; }
  .badge-mid { font-size: 1.5rem; margin: 2px 0; letter-spacing: 1.5px; }
  .badge-bottom { font-size: 0.55rem; padding-top: 4px; letter-spacing: 2px; border-top-width: 1.5px; }
  .about-img img { height: 400px; }
  .manifesto-bg { background-attachment: scroll; }
}

@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0; right: -100%;
    height: 100vh;
    width: 80%;
    max-width: 320px;
    background: var(--black);
    flex-direction: column;
    align-items: stretch;
    padding: 100px 30px 30px;
    transition: right var(--transition);
    box-shadow: -10px 0 40px rgba(0,0,0,0.5);
  }
  .nav.open { right: 0; }
  .nav ul { flex-direction: column; gap: 8px; }
  .nav ul a { padding: 12px 0; font-size: 1.1rem; }
  .nav-cta { margin-top: 16px; text-align: center; }
  .burger { display: block; }

  .section { padding: 80px 0; }
  .section-head { margin-bottom: 40px; }
  /* Section contact compacte sur mobile */
  .contact-section .section-head h2 { font-size: 1.6rem; }
  .contact-section .lead { font-size: 0.95rem; }
  .contact-cta { margin-top: 16px; }
  .ig-btn {
    padding: 12px 18px 12px 14px;
    gap: 12px;
    border-radius: 99px;
  }
  .ig-ico { width: 40px; height: 40px; }
  .ig-ico svg { width: 20px; height: 20px; }
  .ig-text small { font-size: 0.62rem; letter-spacing: 1px; }
  .ig-text strong { font-size: 1.15rem; margin-top: 1px; }
  .ig-arrow { font-size: 1.1rem; }
  .contact-alt { margin: 26px 0 12px; font-size: 0.85rem; }
  .socials-lg .social { width: 44px; height: 44px; font-size: 0.8rem; }
  .why-item::before { font-size: 8rem; top: -20px; right: -8px; }

  /* === Scroll horizontal "swipe" pour les sections card-heavy === */
  .cards-grid,
  .pricing-grid,
  .why-grid,
  .testimonials {
    display: flex;
    grid-template-columns: none;
    overflow-x: auto;
    overflow-y: visible;
    scroll-snap-type: x mandatory;
    scroll-padding: 24px;
    gap: 16px;
    padding: 6px 24px 28px;
    margin: 0 -24px;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
  }
  .cards-grid::-webkit-scrollbar,
  .pricing-grid::-webkit-scrollbar,
  .why-grid::-webkit-scrollbar,
  .testimonials::-webkit-scrollbar { display: none; }

  .cards-grid > *,
  .pricing-grid > *,
  .why-grid > *,
  .testimonials > * {
    flex: 0 0 82%;
    min-width: 270px;
    max-width: 320px;
    scroll-snap-align: center;
  }

  /* Pricing : la carte highlight ne se déforme pas */
  .pricing-card.highlight-card { transform: none; }

  /* Hint de swipe sous le titre des sections concernées */
  #cours .section-head::after,
  #tarifs .section-head::after,
  #choisir .section-head::after,
  #temoignages .section-head::after {
    content: '← Glisse pour voir plus →';
    display: block;
    margin-top: 18px;
    font-size: 0.78rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--yellow);
    opacity: 0.7;
  }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .hero { padding-top: 76px; }
  .hero-actions { flex-wrap: nowrap; }
  .hero-actions .btn { flex: 1 1 0; min-width: 0; }
  .hero-meta { gap: 18px; flex-wrap: wrap; }
  .meta-divider { display: none; }
  .marquee-content { font-size: 1.2rem; gap: 24px; padding-right: 24px; }
}

@media (max-width: 480px) {
  .hero-pane-image { height: 36vh; min-height: 225px; max-height: 285px; }
  .hero-pane-text { padding: 16px 20px 16px; }
  .hero-title { font-size: 1.95rem; margin-bottom: 12px; }
  .hero-lead { font-size: 0.92rem; margin-bottom: 16px; }
  .hero-actions .btn { padding: 12px 12px; font-size: 0.8rem; }
  .hero-actions { gap: 10px; }
  .hero-meta { padding-top: 12px; gap: 14px; }
  .meta-item span { font-size: 0.58rem; letter-spacing: 1.3px; }
  .meta-item strong { font-size: 0.95rem; }
  .marquee-content { font-size: 0.85rem; gap: 14px; padding-right: 14px; }
  .hero-marquee { padding: 6px 0; }
  .hero-badge { bottom: 10px; right: 10px; padding: 8px 12px; }
  .badge-top { font-size: 0.7rem; }
  .badge-mid { font-size: 1.15rem; letter-spacing: 1.2px; }
  .badge-bottom { font-size: 0.5rem; padding-top: 3px; letter-spacing: 1.8px; }
  .gallery { grid-template-columns: repeat(2, 1fr); gap: 2px; }
  .gi-wide { grid-column: span 1; }
  .brand-name { font-size: 1.3rem; }
  .brand-logo { width: 40px; height: 40px; }
  .lightbox-prev, .lightbox-next { width: 44px; height: 44px; font-size: 1.6rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .hero-image { animation: none; }
  .hero-badge { animation: none; }
  .marquee-track { animation: none; }
  .hero-eyebrow .dot { animation: none; }
  .reveal { opacity: 1; transform: none; }
}