:root {
  --color-bg: #09090b;
  --color-text: #f4f4f5;
  --color-primary: #d4af37; /* Or luxueux */
  --color-secondary: #a1a1aa;
  --color-ink: #1c1917; /* Couleur encre noire/brune foncée pour écrire sur le papier */
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Plus Jakarta Sans', system-ui, sans-serif;
  --font-handwriting: 'Great Vibes', 'Alex Brush', cursive;
}

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

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* LOADER */
#loader {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--color-bg);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
  transition: opacity 0.8s cubic-bezier(0.25, 1, 0.5, 1);
}

.loader-content {
  text-align: center;
  width: 80%;
  max-width: 400px;
}

.loader-title {
  font-family: var(--font-serif);
  font-weight: 300;
  font-size: 1.5rem;
  letter-spacing: 0.1em;
  margin-bottom: 1.5rem;
  color: var(--color-text);
}

.progress-bar-container {
  width: 100%;
  height: 2px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 2px;
  overflow: hidden;
  margin-bottom: 0.75rem;
}

.progress-bar {
  width: 0%;
  height: 100%;
  background: var(--color-primary);
  transition: width 0.1s ease-out;
}

.loader-percentage {
  font-size: 0.85rem;
  color: var(--color-secondary);
  letter-spacing: 0.05em;
}

/* ANIMATION SECTION */
.animation-section {
  position: relative;
  width: 100%;
}

.sticky-wrapper {
  position: sticky;
  top: 0;
  width: 100%;
  height: 100vh;
  overflow: hidden;
  display: flex;
  justify-content: center;
  align-items: center;
  background-color: #000000;
}

#sequence-canvas {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  transform: scale(0.95);
  transition: opacity 0.1s ease-out, transform 0.1s ease-out;
}

/* INTRO OVERLAY */
.intro-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 24px;
  pointer-events: none;
  z-index: 5;
  background: radial-gradient(circle at center, rgba(9, 9, 11, 0.4) 0%, rgba(9, 9, 11, 0.9) 100%);
  transition: opacity 0.1s ease-out;
}

.intro-card {
  text-align: center;
  max-width: 600px;
}

.intro-subtitle {
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.3em;
  color: var(--color-primary);
  display: block;
  margin-bottom: 1rem;
}

.intro-title {
  font-family: var(--font-serif);
  font-size: 3.5rem;
  font-weight: 400;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
  color: #ffffff;
}

.intro-text {
  font-size: 1.1rem;
  font-weight: 300;
  line-height: 1.6;
  color: var(--color-secondary);
}

.scroll-indicator {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  color: var(--color-secondary);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
}

.arrow-down {
  width: 12px;
  height: 12px;
  border-right: 1px solid var(--color-primary);
  border-bottom: 1px solid var(--color-primary);
  transform: rotate(45deg);
  animation: bounce 2s infinite;
}

/* LETTER OVERLAY (Superposé directement sur la carte de la vidéo) */
.letter-overlay {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -45%) scale(0.95);
  width: 80%;
  max-width: 380px;
  opacity: 0;
  pointer-events: none;
  transition: all 1s cubic-bezier(0.16, 1, 0.3, 1);
  z-index: 10;
}

.letter-overlay.active {
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  pointer-events: auto;
}

.letter-paper {
  background: transparent;
  box-shadow: none;
  border: none;
  padding: 0;
  text-align: center;
  position: relative;
}

.letter-header {
  font-family: var(--font-handwriting);
  font-size: 2.2rem;
  color: var(--color-ink);
  display: block;
  margin-bottom: 0.5rem;
  opacity: 0.7;
}

.letter-names {
  font-family: var(--font-handwriting);
  font-size: 3.8rem;
  font-weight: 400;
  color: var(--color-ink);
  margin-bottom: 1.25rem;
  line-height: 1;
}

.letter-body {
  font-family: var(--font-handwriting);
  font-size: 2rem;
  line-height: 1.3;
  color: var(--color-ink);
  margin-bottom: 2rem;
  font-weight: 400;
}

.btn-rsvp {
  background: var(--color-ink);
  color: #ffffff;
  border: none;
  padding: 10px 24px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  border-radius: 4px;
  cursor: pointer;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  font-family: var(--font-sans);
}

.btn-rsvp:hover {
  background: var(--color-primary);
  color: var(--color-ink);
  transform: translateY(-2px);
  box-shadow: 0 6px 16px rgba(212, 175, 55, 0.2);
}

.scroll-spacer {
  height: 350vh;
  background: transparent;
}

/* SECTION DÉTAILS - STYLE ÉDITORIAL HAUT DE GAMME */
.details-section {
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  padding: 120px 24px;
  background-color: #000000; /* Noir pur de galerie d'art */
  position: relative;
  z-index: 2;
}

.details-container {
  width: 100%;
  max-width: 760px;
}

.editorial-row {
  display: flex;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 50px 0;
  align-items: flex-start;
}

.editorial-row:last-of-type {
  border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}

.editorial-label {
  width: 35%;
  font-family: var(--font-serif);
  font-size: 1.15rem;
  font-weight: 300;
  color: var(--color-primary);
  text-transform: uppercase;
  letter-spacing: 0.15em;
  line-height: 1.2;
}

.editorial-content {
  width: 65%;
  font-size: 1.05rem;
  line-height: 1.7;
  color: var(--color-secondary);
}

.editorial-content p {
  color: var(--color-secondary);
  margin-bottom: 1.5rem;
}

.editorial-content p strong {
  color: #ffffff;
}

/* PROGRAMME */
.program-item {
  display: flex;
  margin-bottom: 18px;
  align-items: baseline;
}

.program-item:last-child {
  margin-bottom: 0;
}

.program-item .time {
  width: 90px;
  font-family: var(--font-serif);
  font-weight: 400;
  font-size: 1.15rem;
  color: #ffffff;
}

.program-item .event-name {
  color: var(--color-secondary);
}

/* LIENS ÉDITORIAUX MINIMALISTES */
.editorial-link {
  color: #ffffff;
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 255, 255, 0.25);
  padding-bottom: 3px;
  font-size: 0.95rem;
  font-weight: 500;
  letter-spacing: 0.05em;
  transition: all 0.3s ease;
  display: inline-block;
}

.editorial-link:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* CONTACTS */
.contact-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid rgba(255, 255, 255, 0.03);
  padding: 10px 0;
}

.contact-row:last-child {
  border-bottom: none;
}

.contact-row .person {
  font-weight: 400;
  color: #ffffff;
}

.contact-row .person-links {
  display: flex;
  gap: 12px;
  align-items: center;
}

.contact-row .dot {
  color: rgba(255, 255, 255, 0.15);
  font-size: 0.8rem;
}

/* MODAL RSVP */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.8);
  backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s ease;
  z-index: 10000;
}

.modal.active {
  opacity: 1;
  pointer-events: auto;
}

.modal-content {
  background: #18181b;
  border: 1px solid rgba(255, 255, 255, 0.1);
  padding: 40px;
  border-radius: 16px;
  width: 90%;
  max-width: 450px;
  position: relative;
  transform: translateY(20px);
  transition: transform 0.4s cubic-bezier(0.25, 1, 0.5, 1);
}

.modal.active .modal-content {
  transform: translateY(0);
}

.close-btn {
  position: absolute;
  top: 20px;
  right: 20px;
  font-size: 1.5rem;
  color: var(--color-secondary);
  cursor: pointer;
  transition: color 0.3s;
}

.close-btn:hover {
  color: #ffffff;
}

.modal-content h3 {
  font-family: var(--font-serif);
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: 2rem;
  color: var(--color-primary);
  text-align: center;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  font-size: 0.85rem;
  color: var(--color-secondary);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.form-group input[type="text"],
.form-group select {
  width: 100%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 6px;
  padding: 12px;
  color: #ffffff;
  font-family: var(--font-sans);
  font-size: 0.95rem;
  outline: none;
  transition: border-color 0.3s;
}

.form-group input[type="text"]:focus,
.form-group select:focus {
  border-color: var(--color-primary);
}

.radio-group {
  display: flex;
  gap: 20px;
  margin-top: 10px;
}

.radio-label {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  color: #ffffff !important;
}

.radio-label input {
  accent-color: var(--color-primary);
}

.btn-submit {
  width: 100%;
  background: var(--color-primary);
  color: #09090b;
  border: none;
  padding: 14px;
  border-radius: 6px;
  font-weight: 600;
  letter-spacing: 0.05em;
  cursor: pointer;
  transition: background 0.3s, transform 0.2s;
  margin-top: 1rem;
}

.btn-submit:hover {
  background: #f1c40f;
  transform: translateY(-1px);
}

/* ANIMATIONS */
@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% { transform: translateY(0) rotate(45deg); }
  40% { transform: translateY(-8px) rotate(45deg); }
  60% { transform: translateY(-4px) rotate(45deg); }
}

/* RESPONSIVE MOBILE */
@media (max-width: 600px) {
  .details-section {
    padding: 80px 16px;
  }
  .editorial-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 15px;
    padding: 30px 0;
  }
  .editorial-label {
    width: 100%;
    font-size: 1.05rem;
  }
  .editorial-content {
    width: 100%;
  }
  .intro-title {
    font-size: 2.5rem;
  }
  .letter-names {
    font-size: 2.6rem;
  }
  .letter-body {
    font-size: 1.5rem;
  }
  .letter-overlay {
    width: 85%;
    transform: translate(-50%, -47%) scale(0.95);
  }
  .letter-overlay.active {
    transform: translate(-50%, -50%) scale(1);
  }
  .modal-content {
    padding: 30px 20px;
  }
}