/* ============================================================
   sejour-var.fr — Design System V3
   Mediterranee Premium — Tokens, animations, effets
   ============================================================ */

/* --- Design Tokens --- */
:root {
  /* Palette Mediterranee */
  --color-night:      #0A1F44;
  --color-ocean:      #1D6FA3;
  --color-ocean-light:#dce8f8;
  --color-gold:       #D4A373;
  --color-terra:      #E28B67;
  --color-teal:       #2A9D8F;
  --color-ivory:      #FAFAF5;
  --color-white:      #FFFFFF;

  /* Espacement fluide */
  --space-xs:  clamp(0.25rem, 0.2rem + 0.25vw, 0.5rem);
  --space-sm:  clamp(0.5rem,  0.4rem + 0.5vw,  0.75rem);
  --space-md:  clamp(1rem,    0.8rem + 1vw,     1.5rem);
  --space-lg:  clamp(1.5rem,  1rem   + 2vw,     2.5rem);
  --space-xl:  clamp(2rem,    1.5rem + 3vw,     4rem);
  --space-2xl: clamp(3rem,    2rem   + 4vw,     6rem);
  --space-3xl: clamp(4rem,    2.5rem + 6vw,     8rem);

  /* Easing */
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --ease-smooth: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-snappy: cubic-bezier(0.4, 0, 0.2, 1);
  --ease-luxury: cubic-bezier(0.25, 0.46, 0.45, 0.94);

  /* Z-index */
  --z-base:     1;
  --z-dropdown: 20;
  --z-sticky:   30;
  --z-overlay:  40;
  --z-modal:    50;
  --z-toast:    60;
}


/* --- Smooth scroll --- */
html {
  scroll-behavior: smooth;
}


/* --- Focus Visible (accessibilite) --- */
:focus-visible {
  outline: 2px solid var(--color-ocean);
  outline-offset: 2px;
  border-radius: 4px;
}
:focus:not(:focus-visible) {
  outline: none;
}


/* --- Reduced Motion (accessibilite) --- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  html.reveal-ready .reveal,
  html.reveal-ready .reveal-child,
  html.reveal-ready .reveal-image,
  html.reveal-ready .stagger-text span { opacity: 1 !important; transform: none !important; clip-path: none !important; }
}


/* ============================================================
   REVEAL ANIMATIONS (scroll — progressive enhancement)
   ============================================================ */

/* --- Fade up (sections) --- */
html.reveal-ready .reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s var(--ease-smooth), transform 0.8s var(--ease-smooth);
}
html.reveal-ready .reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Stagger enfants (grilles de cards) --- */
html.reveal-ready .reveal-stagger > .reveal-child {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth);
}
html.reveal-ready .reveal-stagger.is-visible > .reveal-child {
  opacity: 1;
  transform: translateY(0);
}
.reveal-stagger.is-visible > .reveal-child:nth-child(1) { transition-delay: 0ms; }
.reveal-stagger.is-visible > .reveal-child:nth-child(2) { transition-delay: 100ms; }
.reveal-stagger.is-visible > .reveal-child:nth-child(3) { transition-delay: 200ms; }
.reveal-stagger.is-visible > .reveal-child:nth-child(4) { transition-delay: 300ms; }
.reveal-stagger.is-visible > .reveal-child:nth-child(5) { transition-delay: 400ms; }
.reveal-stagger.is-visible > .reveal-child:nth-child(6) { transition-delay: 500ms; }

/* --- Image reveal (clip-path fenetre) --- */
html.reveal-ready .reveal-image {
  opacity: 0;
  clip-path: inset(40% 15% 40% 15%);
  transition: opacity 1s var(--ease-luxury), clip-path 1s var(--ease-luxury);
}
html.reveal-ready .reveal-image.is-visible {
  opacity: 1;
  clip-path: inset(0% 0% 0% 0%);
}

/* --- Texte stagger (mots qui apparaissent un par un) --- */
html.reveal-ready .stagger-text span {
  display: inline-block;
  opacity: 0;
  transform: translateY(100%);
  transition: opacity 0.6s var(--ease-smooth), transform 0.6s var(--ease-smooth);
}
html.reveal-ready .stagger-text.is-visible span {
  opacity: 1;
  transform: translateY(0);
}


/* ============================================================
   CARD EFFECTS
   ============================================================ */

/* --- Card hover lift (GPU-only) --- */
.card-hover {
  transition: transform 0.3s var(--ease-luxury), box-shadow 0.3s var(--ease-luxury);
}
.card-hover:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -10px rgba(10, 31, 68, 0.15);
}

/* --- Card image zoom --- */
.card-hover img {
  transition: transform 0.7s var(--ease-luxury);
}
.card-hover:hover img {
  transform: scale(1.06);
}

/* --- Card tilt subtil (destinations) --- */
.card-tilt {
  transition: transform 0.4s var(--ease-luxury), box-shadow 0.4s var(--ease-luxury);
}
.card-tilt:hover {
  transform: translateY(-6px) rotate(-0.5deg);
  box-shadow: 0 24px 48px -12px rgba(10, 31, 68, 0.18);
}


/* ============================================================
   HORIZONTAL SCROLL (destinations)
   ============================================================ */
.horizontal-scroll {
  display: flex;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
  gap: 1.5rem;
  padding-bottom: 1rem;
  scrollbar-width: none;
}
.horizontal-scroll::-webkit-scrollbar {
  display: none;
}
.horizontal-scroll > * {
  flex: 0 0 80vw;
  scroll-snap-align: center;
}
@media (min-width: 768px) {
  .horizontal-scroll > * {
    flex: 0 0 40vw;
  }
}
@media (min-width: 1024px) {
  .horizontal-scroll > * {
    flex: 0 0 28vw;
  }
}


/* ============================================================
   BOUTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.25s var(--ease-spring), background-color 0.25s ease, box-shadow 0.25s ease;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn:active {
  transform: scale(0.97);
  transition-duration: 0.08s;
}

/* Bouton primaire avec ombre coloree */
.btn-primary {
  background: var(--color-ocean);
  color: white;
  box-shadow: 0 4px 14px rgba(29, 111, 163, 0.3);
}
.btn-primary:hover {
  box-shadow: 0 8px 24px rgba(29, 111, 163, 0.4);
}

/* Bouton accent terracotta */
.btn-terra {
  background: var(--color-terra);
  color: white;
  box-shadow: 0 4px 14px rgba(226, 139, 103, 0.3);
}
.btn-terra:hover {
  box-shadow: 0 8px 24px rgba(226, 139, 103, 0.4);
}


/* ============================================================
   TYPOGRAPHY PREMIUM
   ============================================================ */

/* Ligne decorative doree sous les eyebrows */
.section-eyebrow {
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  font-size: 0.8125rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--color-gold);
}
.section-eyebrow::after {
  content: '';
  display: block;
  width: 3rem;
  height: 2px;
  background: var(--color-gold);
  margin-top: 0.75rem;
}

/* Gradient text dore */
.text-gradient-gold {
  background: linear-gradient(135deg, var(--color-gold), var(--color-terra));
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}


/* ============================================================
   SELECTION TEXT
   ============================================================ */
::selection {
  background: rgba(29, 111, 163, 0.2);
  color: var(--color-night);
}