:root {
  --black: #ffffff;
  --white: #0a0a0a;
  --cream: #f4f4f7;
  --primary: #0047FF;
  --secondary: #CC00FF;
  --accent: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  --slate: #f8f8fa;
  --muted: #666666;
  --border: rgba(0, 71, 255, 0.1);
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--black);
  color: var(--white);
  font-family: 'DM Sans', sans-serif;
  font-weight: 300;
  line-height: 1.7;
  overflow-x: hidden;
}

/* GRAIN OVERLAY */
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)' opacity='0.02'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 1000;
  opacity: 0.1;
}

/* HERO */
.hero {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 80px 60px;
  position: relative;
  border-bottom: 1px solid var(--border);
}

.hero::after {
  content: '';
  position: absolute;
  top: -200px;
  right: -200px;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(0, 71, 255, 0.1) 0%, transparent 70%);
  pointer-events: none;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--border);
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 11px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 48px;
  width: fit-content;
}

.tag::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--primary);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

.hero-eyebrow {
  font-family: 'Syne', sans-serif;
  font-size: 13px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--muted);
  margin-bottom: 20px;
}

h1 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(52px, 8vw, 100px);
  font-weight: 800;
  line-height: 0.95;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}

h1 span {
  background: var(--accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-style: italic;
}

.hero-sub {
  font-size: 18px;
  color: rgba(10, 10, 10, 0.6);
  max-width: 540px;
  margin-bottom: 60px;
  font-weight: 300;
}

.hero-meta {
  display: flex;
  gap: 48px;
  align-items: flex-start;
}

.meta-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.meta-label {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.meta-value {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 700;
  color: var(--white);
}

.meta-value.accent { 
  background: var(--accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.divider-line {
  width: 1px;
  height: 40px;
  background: var(--border);
  align-self: center;
}

/* SECTIONS */
section {
  padding: 100px 60px;
  border-bottom: 1px solid var(--border);
}

.section-label {
  font-size: 10px;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 48px;
  display: flex;
  align-items: center;
  gap: 16px;
}

.section-label::after {
  content: '';
  height: 1px;
  width: 40px;
  background: var(--secondary);
  opacity: 0.4;
}

h2 {
  font-family: 'Syne', sans-serif;
  font-size: clamp(32px, 4vw, 52px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
}

h2 em {
  font-style: italic;
  background: var(--accent);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  font-weight: 400;
}

/* PROMESSE */
.promesse-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 2px;
  margin-top: 60px;
  border: 1px solid var(--border);
}

.promesse-card {
  background: var(--slate);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
  transition: background 0.3s;
}

.promesse-card:hover {
  background: rgba(0, 71, 255, 0.05);
}

.promesse-card::before {
  content: attr(data-num);
  position: absolute;
  top: -200px;
  right: 20px;
  font-family: 'Syne', sans-serif;
  font-size: 120px;
  font-weight: 800;
  color: rgba(204, 0, 255, 0.05);
  line-height: 1;
}

.promesse-card h3 {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--white);
}

.promesse-card p {
  font-size: 14px;
  color: rgba(10, 10, 10, 0.55);
  line-height: 1.6;
}

/* MARRE */
.marre-section {
  background: var(--slate);
}

.marre-intro {
  font-size: 16px;
  color: rgba(10, 10, 10, 0.55);
  max-width: 560px;
  margin-bottom: 72px;
}

.marre-steps {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.marre-step {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 40px;
  align-items: start;
  padding: 40px 0;
  border-top: 1px solid rgba(0, 71, 255, 0.1);
  position: relative;
}

.marre-step:last-child {
  border-bottom: 1px solid rgba(0, 71, 255, 0.1);
}

.step-letter {
  font-family: 'Syne', sans-serif;
  font-size: 48px;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}

.step-content h3 {
  font-family: 'Syne', sans-serif;
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--white);
  padding-top: 8px;
}

.step-content p {
  font-size: 14px;
  color: rgba(10, 10, 10, 0.5);
  max-width: 480px;
}

/* CLAUDE */
.claude-block {
  background: linear-gradient(135deg, rgba(0, 71, 255, 0.06) 0%, transparent 60%);
  border: 1px solid var(--border);
  padding: 60px;
  margin-top: 60px;
  position: relative;
  overflow: hidden;
}

.claude-block::before {
  content: 'Claude';
  position: absolute;
  right: -20px;
  top: 50%;
  transform: translateY(-50%) rotate(-90deg);
  font-family: 'Syne', sans-serif;
  font-size: 120px;
  font-weight: 800;
  color: rgba(0, 71, 255, 0.04);
  letter-spacing: -0.05em;
  white-space: nowrap;
}

.claude-block h3 {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 700;
  margin-bottom: 20px;
  color: var(--primary);
}

.claude-block p {
  font-size: 16px;
  color: rgba(10, 10, 10, 0.65);
  max-width: 600px;
  line-height: 1.8;
}

.claude-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 32px;
}

.claude-tag {
  border: 1px solid var(--border);
  padding: 6px 16px;
  font-size: 12px;
  color: var(--secondary);
  border-radius: 4px;
  letter-spacing: 0.05em;
}

/* OFFRE */
.offre-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 2px;
  margin-top: 60px;
}

.offre-main {
  background: var(--cream);
  border: 1px solid var(--border);
  padding: 60px 48px;
  color: var(--white);
  position: relative;
  overflow: hidden;
  border-radius: 12px;
}

.offre-main::after {
  content: '🛫';
  position: absolute;
  bottom: -20px;
  right: 20px;
  font-size: 120px;
  opacity: 0.15;
}

.offre-main .price-label {
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.6;
  margin-bottom: 8px;
}

.offre-main .price {
  font-family: 'Syne', sans-serif;
  font-size: 72px;
  font-weight: 800;
  line-height: 1;
  margin-bottom: 4px;
}

.offre-main .price-after {
  font-size: 13px;
  opacity: 0.5;
  margin-bottom: 40px;
  text-decoration: line-through;
}

.offre-main .badge {
  display: inline-block;
  background: var(--black);
  color: var(--primary);
  padding: 4px 12px;
  font-size: 11px;
  letter-spacing: 0.1em;
  margin-bottom: 40px;
  font-weight: 500;
}

.offre-main ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.offre-main ul li {
  font-size: 14px;
  display: flex;
  align-items: flex-start;
  gap: 12px;
  color: rgba(10,10,10,0.75);
}

.offre-main ul li::before {
  content: '→';
  font-weight: 600;
  color: var(--black);
  flex-shrink: 0;
}

.offre-side {
  background: var(--slate);
  padding: 48px 40px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.offre-side h3 {
  font-family: 'Syne', sans-serif;
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 24px;
  color: var(--white);
}

.deadline-block {
  border: 1px solid rgba(0, 71, 255, 0.3);
  padding: 24px;
  margin-top: 32px;
}

.deadline-block .deadline-label {
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--primary);
  margin-bottom: 8px;
}

.deadline-block .deadline-date {
  font-family: 'Syne', sans-serif;
  font-size: 28px;
  font-weight: 800;
  color: var(--white);
}

.deadline-block .deadline-note {
  font-size: 12px;
  color: var(--muted);
  margin-top: 6px;
}

.spots-counter {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 32px;
}

.spots-dots {
  display: flex;
  gap: 6px;
}

.dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--secondary);
}

.dot.empty {
  background: transparent;
  border: 1px solid var(--border);
}

.spots-label {
  font-size: 12px;
  color: var(--muted);
}

/* CTA */
.cta-section {
  text-align: center;
  padding: 120px 60px;
  background: var(--slate);
  border-bottom: none;
  position: relative;
  overflow: hidden;
}

.cta-section::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(0, 71, 255, 0.06) 0%, transparent 70%);
  pointer-events: none;
}

.cta-section p {
  font-size: 16px;
  color: var(--muted);
  max-width: 480px;
  margin: 0 auto 48px;
}

.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  background: var(--accent);
  color: #ffffff;
  padding: 18px 48px;
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  text-decoration: none;
  transition: all 0.2s;
  cursor: pointer;
  border: none;
  border-radius: 8px;
}

.cta-btn:hover {
  opacity: 0.9;
  transform: translateY(-2px);
}

.cta-note {
  margin-top: 24px;
  font-size: 12px;
  color: var(--muted);
}

/* FOOTER */
footer {
  padding: 40px 60px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-top: 1px solid var(--border);
}

footer .footer-brand {
  font-family: 'Syne', sans-serif;
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
}

footer .footer-sub {
  font-size: 12px;
  color: var(--muted);
  margin-top: 2px;
}

footer .footer-tag {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.1em;
}

/* ANIMATIONS */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeIn 0.8s forwards;
}

.fade-in:nth-child(1) { animation-delay: 0.1s; }
.fade-in:nth-child(2) { animation-delay: 0.2s; }
.fade-in:nth-child(3) { animation-delay: 0.3s; }
.fade-in:nth-child(4) { animation-delay: 0.4s; }
.fade-in:nth-child(5) { animation-delay: 0.5s; }

@keyframes fadeIn {
  to { opacity: 1; transform: translateY(0); }
}

@media (max-width: 768px) {
  .hero, section { padding: 40px 20px; }
  .promesse-grid, .offre-grid, .programme-grid { 
    grid-template-columns: 1fr !important; 
    gap: 20px !important;
  }
  .hero-meta { flex-wrap: wrap; gap: 20px; }
  .claude-block { padding: 30px 20px; }
  footer { flex-direction: column; gap: 16px; text-align: center; }
  
  .logo-container {
    width: 160px;
    height: 160px;
  }
  .logo-img {
    width: 120px;
  }
  
  h1 { font-size: 42px !important; }
  .hero-sub { font-size: 16px !important; }
  
  .cart-summary {
    padding: 20px !important;
  }
  .total-label { font-size: 20px !important; }
  .total-price { font-size: 24px !important; }
}