/* ==========================================================================
   VINCEAUX — Design System & Custom CSS (Studio Graphique Coloré)
   Palette : Bleu Cobalt, Tangerine/Corail, Émeraude, Violet & Ambre
   ========================================================================== */

/* 1. RESET & VARIABLES */
:root {
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-display: 'Plus Jakarta Sans', sans-serif;
  --font-mono: 'Space Grotesk', monospace;

  /* Palette principale riche */
  --color-bg: #F9F8F5;
  --color-surface: #FFFFFF;
  --color-muted: #F3EFEA;
  
  --color-text-primary: #0F172A;
  --color-text-secondary: #334155;
  --color-text-muted: #64748B;
  
  /* Couleurs signatures */
  --color-electric-blue: #0052FF;
  --color-electric-blue-hover: #0041CC;
  --color-tangerine: #FF5722;
  --color-emerald: #059669;
  --color-violet: #7C3AED;
  --color-amber: #D97706;

  --border-subtle: #E2E8F0;
  --border-medium: #CBD5E1;

  --shadow-sm: 0 1px 3px 0 rgba(15, 23, 42, 0.05), 0 1px 2px -1px rgba(15, 23, 42, 0.05);
  --shadow-md: 0 4px 20px -2px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 10px 30px -4px rgba(15, 23, 42, 0.08);
  --shadow-blue: 0 10px 30px -4px rgba(0, 82, 255, 0.25);
  --shadow-coral: 0 10px 30px -4px rgba(255, 87, 34, 0.25);
}

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

html {
  font-family: var(--font-sans);
  background-color: var(--color-bg);
  color: var(--color-text-secondary);
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  /* Verrou anti-scroll horizontal (propagé au viewport, fiable sur iOS) */
  overflow-x: hidden;
}

body {
  overflow-x: hidden;
  line-height: 1.6;
  background-color: var(--color-bg);
}

/* 2. TYPOGRAPHIE */
.font-sans { font-family: var(--font-sans); }
.font-display { font-family: var(--font-display); }
.font-mono { font-family: var(--font-mono); }

/* 3. LUEURS D'AMBIANCE MULTICOLORES DOUCES
   Couche FIXE + clippée : les lueurs ne peuvent jamais créer
   de débordement horizontal (position:fixed n'alimente pas la
   zone scrollable, et overflow:hidden rogne tout dépassement). */
.ambient-glow-layer {
  position: fixed;
  inset: 0;
  overflow: hidden;
  pointer-events: none;
  z-index: 0;
}

.ambient-glow {
  position: absolute;
  pointer-events: none;
  border-radius: 9999px;
  filter: blur(140px);
  opacity: 0.55;
  will-change: transform;
}

.glow-top {
  top: -120px;
  left: 30%;
  width: 650px;
  height: 450px;
  background: radial-gradient(circle, rgba(0, 82, 255, 0.14) 0%, rgba(124, 58, 237, 0.08) 50%, transparent 70%);
}

.glow-middle {
  top: 35%;
  right: -5%;
  width: 550px;
  height: 550px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.12) 0%, rgba(56, 189, 248, 0.06) 50%, transparent 70%);
}

.glow-coral {
  top: 65%;
  left: -8%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(255, 87, 34, 0.10) 0%, rgba(217, 119, 6, 0.05) 50%, transparent 70%);
}

/* 4. GRAIN PHOTOGRAPHIQUE SUBTIL */
.noise-overlay {
  position: fixed;
  inset: 0;
  z-index: 9990;
  pointer-events: none;
  opacity: 0.025;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
}

/* 5. HEADER ADAPTATIF : barre pleine largeur mobile / capsule flottante desktop */
#navbar.header-scrolled > div:first-child {
  background: rgba(255, 255, 255, 0.98);
  border-color: rgba(203, 213, 225, 0.95);
  box-shadow: 0 10px 25px -3px rgba(15, 23, 42, 0.1), 0 4px 6px -4px rgba(15, 23, 42, 0.05);
}

.nav-pill-link {
  display: inline-flex;
  align-items: center;
  padding: 0.4rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.8125rem;
  font-weight: 500;
  color: #475569;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s ease, background-color 0.2s ease;
}

.nav-pill-link:hover {
  color: var(--color-text-primary);
}

.nav-pill-link.active {
  color: var(--color-electric-blue);
  background-color: #EFF6FF;
  box-shadow: 0 1px 3px rgba(0, 82, 255, 0.1);
  font-weight: 700;
}

/* 6. BOUTONS */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background-color: var(--color-electric-blue);
  color: #FFFFFF;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.4rem;
  border-radius: 0.625rem;
  border: 1px solid rgba(255, 255, 255, 0.2);
  box-shadow: 0 4px 14px -2px rgba(0, 82, 255, 0.35);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.btn-primary:hover {
  background-color: var(--color-electric-blue-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px -2px rgba(0, 82, 255, 0.45);
  color: #FFFFFF;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  background-color: #FFFFFF;
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.9375rem;
  padding: 0.75rem 1.4rem;
  border-radius: 0.625rem;
  border: 1px solid var(--border-subtle);
  box-shadow: var(--shadow-sm);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
}

.btn-secondary:hover {
  background-color: #F8FAFC;
  border-color: var(--border-medium);
  color: var(--color-electric-blue);
  transform: translateY(-1px);
}

/* 7. CARTES SERVICES COLORÉES DISTINCTIVES */
.service-card {
  display: flex;
  flex-direction: column;
  background: #FFFFFF;
  border-radius: 1.25rem;
  padding: 1.5rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: transform 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}

@media (min-width: 640px) {
  .service-card {
    padding: 2.25rem;
  }
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  opacity: 0.9;
}

/* Thème 01 : Bleu Cobalt */
.service-blue {
  border: 1.5px solid #BFDBFE;
}
.service-blue::before { background: var(--color-electric-blue); }
.service-blue:hover {
  border-color: var(--color-electric-blue);
  box-shadow: 0 14px 28px -6px rgba(0, 82, 255, 0.12);
  transform: translateY(-4px);
}

/* Thème 02 : Tangerine / Corail */
.service-coral {
  border: 1.5px solid #FED7AA;
}
.service-coral::before { background: var(--color-tangerine); }
.service-coral:hover {
  border-color: var(--color-tangerine);
  box-shadow: 0 14px 28px -6px rgba(255, 87, 34, 0.12);
  transform: translateY(-4px);
}

/* Thème 03 : Émeraude / Menthe */
.service-emerald {
  border: 1.5px solid #A7F3D0;
}
.service-emerald::before { background: var(--color-emerald); }
.service-emerald:hover {
  border-color: var(--color-emerald);
  box-shadow: 0 14px 28px -6px rgba(5, 150, 105, 0.12);
  transform: translateY(-4px);
}

/* Thème 04 : Violet / Pourpre */
.service-purple {
  border: 1.5px solid #DDD6FE;
}
.service-purple::before { background: var(--color-violet); }
.service-purple:hover {
  border-color: var(--color-violet);
  box-shadow: 0 14px 28px -6px rgba(124, 58, 237, 0.12);
  transform: translateY(-4px);
}

.service-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
}

.service-number {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 800;
  letter-spacing: 0.1em;
}

.service-icon-box {
  width: 2.75rem;
  height: 2.75rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* Pack Card (Offres Lancement) */
.pack-card {
  border-radius: 1.5rem;
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: all 0.3s ease;
}

@media (min-width: 640px) {
  .pack-card {
    padding: 2.5rem;
  }
}

.pack-card:hover {
  transform: translateY(-3px);
}

/* Pricing Card */
.pricing-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  padding: 1.75rem;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.pricing-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

/* Method Step Card */
.method-card {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 1rem;
  padding: 1.75rem;
  position: relative;
  box-shadow: var(--shadow-sm);
  transition: all 0.2s ease;
}

.method-card:hover {
  border-color: var(--border-medium);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.method-step {
  font-family: var(--font-mono);
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 0.75rem;
}

/* 8. BANDEAU DÉFILANT (MARQUEE) */
.marquee-band {
  overflow: hidden;
}

.marquee-track {
  display: flex;
  width: max-content;
  animation: marquee-scroll 38s linear infinite;
}

.marquee-band:hover .marquee-track {
  animation-play-state: paused;
}

.marquee-group {
  display: flex;
  align-items: center;
  gap: 2.75rem;
  padding-right: 2.75rem;
}

.marquee-item {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  font-weight: 700;
  white-space: nowrap;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

/* 9. SOULIGNEMENT FAIT MAIN & NOTES */
.hand-underline {
  position: absolute;
  left: -2%;
  bottom: -0.18em;
  width: 104%;
  height: 0.24em;
  overflow: visible;
}

.hand-underline path {
  stroke-dasharray: 340;
  stroke-dashoffset: 340;
  animation: draw-underline 1.1s cubic-bezier(0.65, 0, 0.35, 1) 0.8s forwards;
}

@keyframes draw-underline {
  to { stroke-dashoffset: 0; }
}

.handwritten-note {
  font-family: 'Caveat', cursive;
  line-height: 1.35;
}

/* 10. ACCORDÉON / FAQ */
.faq-item {
  background: #FFFFFF;
  border: 1px solid var(--border-subtle);
  border-radius: 0.875rem;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.faq-item.active {
  border-color: #BFDBFE;
  box-shadow: 0 4px 16px -2px rgba(0, 82, 255, 0.08);
}

.faq-item.active .faq-trigger svg {
  transform: rotate(180deg);
  color: var(--color-electric-blue);
}

.faq-item.active .faq-content {
  animation: faq-open 0.35s cubic-bezier(0.16, 1, 0.3, 1);
}

@keyframes faq-open {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

/* 11. FORMULAIRES & INPUTS */
.form-input {
  width: 100%;
  background: #FFFFFF;
  border: 1.5px solid #CBD5E1;
  border-radius: 0.625rem;
  padding: 0.75rem 1rem;
  font-size: 0.875rem;
  color: var(--color-text-primary);
  font-family: var(--font-sans);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.form-input:focus {
  outline: none;
  border-color: var(--color-electric-blue);
  box-shadow: 0 0 0 3px rgba(0, 82, 255, 0.15);
}

.form-input::placeholder {
  color: #94A3B8;
}

/* 12. APERÇU DISPONIBILITÉS CALENDAR */
.day-btn {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 0.5rem 0.6rem;
  border-radius: 0.75rem;
  border: 1.5px solid #E2E8F0;
  background: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  min-width: 4rem;
}

.day-btn:hover {
  border-color: var(--color-electric-blue);
  background: #F8FAFC;
  transform: translateY(-1px);
}

.day-btn.active {
  border-color: var(--color-electric-blue);
  background: #EFF6FF;
  color: var(--color-electric-blue);
  font-weight: 700;
  box-shadow: 0 4px 12px rgba(0, 82, 255, 0.12);
}

.slot-btn {
  padding: 0.5rem 0.75rem;
  border-radius: 0.625rem;
  border: 1.5px solid #E2E8F0;
  background: #FFFFFF;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: #334155;
  cursor: pointer;
  transition: all 0.2s cubic-bezier(0.16, 1, 0.3, 1);
  text-align: center;
}

.slot-btn:hover {
  border-color: var(--color-electric-blue);
  color: var(--color-electric-blue);
  background: #EFF6FF;
  transform: translateY(-1px);
}

.slot-btn.active {
  border-color: var(--color-electric-blue);
  background: var(--color-electric-blue);
  color: #FFFFFF;
  box-shadow: 0 4px 12px rgba(0, 82, 255, 0.25);
}

/* 12. SCROLL REVEAL ANIMATIONS */
[data-reveal] {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s cubic-bezier(0.16, 1, 0.3, 1), transform 0.5s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal].revealed {
  opacity: 1;
  transform: translateY(0);
}

[data-reveal-stagger] > * {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.45s cubic-bezier(0.16, 1, 0.3, 1), transform 0.45s cubic-bezier(0.16, 1, 0.3, 1);
}

[data-reveal-stagger].revealed > * {
  opacity: 1;
  transform: translateY(0);
}

/* Accessibilité */
@media (prefers-reduced-motion: reduce) {
  .marquee-track { animation: none; }
  .hand-underline path { animation: none; stroke-dashoffset: 0; }
  [data-reveal], [data-reveal-stagger] > * {
    opacity: 1 !important;
    transform: none !important;
    transition: none !important;
  }
}