/* ============================================================
   CANTIQUES EUJC — SPLASH SCREEN (v2)
   Direction : "Sacré & Cinématique"
   ============================================================ */

/* ============================================================
   1. Variables
   ============================================================ */
:root {
  --sp-forest-900: #081f19;
  --sp-forest-800: #0b2b24;
  --sp-forest-700: #14392e;
  --sp-forest-500: #2d5f4f;
  --sp-gold:       #b8935a;
  --sp-gold-light: #e4c37f;
  --sp-gold-pale:  #f0dfb5;
  --sp-cream:      #faf6ec;
  --sp-text:       #f5f0e6;

  --sp-scale: clamp(12px, 3.4vmin, 42px);
}

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

html, body {
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
  background: var(--sp-forest-800);
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: var(--sp-text);
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

/* ============================================================
   2. Conteneur principal
   ============================================================ */
.splash {
  position: relative;
  width: 100%;
  height: 100vh;
  height: 100dvh;
  overflow: hidden;
  isolation: isolate;
  cursor: pointer;
  user-select: none;
  font-size: var(--sp-scale);
  text-align: center;

  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding:
    calc(env(safe-area-inset-top, 0px) + 1em)
    max(4vw, env(safe-area-inset-right, 0px))
    calc(env(safe-area-inset-bottom, 0px) + 1em)
    max(4vw, env(safe-area-inset-left, 0px));

  background:
    radial-gradient(ellipse at 50% 35%,
                    rgba(45, 95, 79, 0.45) 0%,
                    transparent 60%),
    radial-gradient(ellipse at 50% 100%,
                    rgba(8, 31, 25, 0.8) 0%,
                    transparent 70%),
    linear-gradient(165deg,
                    var(--sp-forest-700) 0%,
                    var(--sp-forest-800) 45%,
                    var(--sp-forest-900) 100%);
}

/* ============================================================
   3. Feuillages
   ============================================================ */
.leaf {
  position: absolute;
  pointer-events: none;
  z-index: 1;
  opacity: 0;
  animation: leafFadeIn 1600ms ease-out 200ms forwards;
}

.leaf-top {
  width: clamp(240px, 60vmin, 720px);
  height: auto;
  top: 0;
  left: 0;
  transform-origin: top left;
  animation-delay: 300ms;
}

.leaf-bottom {
  width: clamp(260px, 65vmin, 800px);
  height: auto;
  bottom: 0;
  right: 0;
  transform-origin: bottom right;
  animation-delay: 500ms;
}

@keyframes leafFadeIn {
  from {
    opacity: 0;
    transform: scale(0.94);
  }
  to {
    opacity: 0.42;
    transform: scale(1);
  }
}

/* ============================================================
   4. Particules dorées
   ============================================================ */
.particles {
  position: absolute;
  inset: 0;
  z-index: 2;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  width: 3px;
  height: 3px;
  border-radius: 50%;
  background: var(--sp-gold-light);
  box-shadow: 0 0 6px 1px rgba(228, 197, 106, 0.6);
  opacity: 0;
  animation: particleRise 8s linear infinite;
}

/* Positions et durées variées pour chaque particule */
.particle:nth-child(1)  { left: 12%; animation-delay: 0.0s; animation-duration: 9s; }
.particle:nth-child(2)  { left: 22%; animation-delay: 1.2s; animation-duration: 7s; width: 2px; height: 2px; }
.particle:nth-child(3)  { left: 33%; animation-delay: 2.5s; animation-duration: 10s; }
.particle:nth-child(4)  { left: 41%; animation-delay: 0.6s; animation-duration: 8s; width: 4px; height: 4px; }
.particle:nth-child(5)  { left: 48%; animation-delay: 3.1s; animation-duration: 11s; }
.particle:nth-child(6)  { left: 55%; animation-delay: 1.8s; animation-duration: 9s; width: 2px; height: 2px; }
.particle:nth-child(7)  { left: 62%; animation-delay: 4.2s; animation-duration: 7s; }
.particle:nth-child(8)  { left: 70%; animation-delay: 0.9s; animation-duration: 10s; }
.particle:nth-child(9)  { left: 78%; animation-delay: 2.1s; animation-duration: 8s; width: 4px; height: 4px; }
.particle:nth-child(10) { left: 85%; animation-delay: 3.7s; animation-duration: 9s; }
.particle:nth-child(11) { left: 92%; animation-delay: 1.5s; animation-duration: 11s; width: 2px; height: 2px; }
.particle:nth-child(12) { left: 8%;  animation-delay: 5.0s; animation-duration: 8s; }
.particle:nth-child(13) { left: 17%; animation-delay: 4.5s; animation-duration: 10s; }
.particle:nth-child(14) { left: 37%; animation-delay: 5.3s; animation-duration: 9s; width: 2px; height: 2px; }
.particle:nth-child(15) { left: 58%; animation-delay: 5.8s; animation-duration: 7s; }
.particle:nth-child(16) { left: 66%; animation-delay: 6.2s; animation-duration: 11s; }
.particle:nth-child(17) { left: 82%; animation-delay: 5.5s; animation-duration: 9s; width: 4px; height: 4px; }
.particle:nth-child(18) { left: 96%; animation-delay: 6.8s; animation-duration: 10s; width: 2px; height: 2px; }

@keyframes particleRise {
  0% {
    bottom: -5%;
    opacity: 0;
    transform: translateX(0);
  }
  10% {
    opacity: 0.8;
  }
  50% {
    opacity: 1;
    transform: translateX(8px);
  }
  90% {
    opacity: 0.8;
  }
  100% {
    bottom: 105%;
    opacity: 0;
    transform: translateX(-8px);
  }
}

/* ============================================================
   5. Contenu central
   ============================================================ */
.splash-content {
  position: relative;
  z-index: 3;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.6em;
  width: 100%;
  padding: 0 0.4em;
  box-sizing: border-box;
}

/* ---- Logo + halo ---- */
.splash-logo-wrap {
  position: relative;
  width: 8.5em;
  height: 8.5em;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.6em;
}

.logo-halo {
  position: absolute;
  width: 11em;
  height: 11em;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  background: radial-gradient(circle,
                rgba(228, 197, 106, 0.28) 0%,
                rgba(228, 197, 106, 0.10) 35%,
                transparent 65%);
  animation: haloPulse 3.2s ease-in-out infinite;
  pointer-events: none;
}

@keyframes haloPulse {
  0%, 100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.85;
  }
  50% {
    transform: translate(-50%, -50%) scale(1.12);
    opacity: 1;
  }
}

.splash-logo {
  position: relative;
  width: 100%;
  height: 100%;
  object-fit: contain;
  filter: drop-shadow(0 0.3em 1em rgba(228, 197, 106, 0.35));
  animation: logoIn 900ms cubic-bezier(0.34, 1.56, 0.64, 1) 400ms both;
}

@keyframes logoIn {
  from {
    opacity: 0;
    transform: scale(0.82);
  }
  to {
    opacity: 1;
    transform: scale(1);
  }
}

/* ---- Titre ---- */
.splash-title {
  font-family: 'Playfair Display', 'Cormorant Garamond', Georgia, serif;
  font-weight: 700;
  line-height: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.05em;
  width: 100%;
}

.title-main {
  font-size: clamp(2.4rem, 13.5vw, 4rem);
  font-weight: 700;
  color: var(--sp-cream);
  letter-spacing: -0.025em;
  padding: 0;
  line-height: 1;
  white-space: nowrap;
  animation: titleMainIn 900ms cubic-bezier(0.22, 0.9, 0.3, 1) 700ms both;
}

.title-accent {
  font-size: clamp(2.8rem, 15vw, 4.5rem);
  font-weight: 800;
  letter-spacing: 0.12em;
  padding-left: 0.12em;
  line-height: 1;
  background: linear-gradient(180deg,
                var(--sp-gold-light) 0%,
                var(--sp-gold)       55%,
                var(--sp-gold-pale)  100%);
  -webkit-background-clip: text;
          background-clip: text;
  -webkit-text-fill-color: transparent;
          color: transparent;
  animation: titleAccentIn 1000ms cubic-bezier(0.22, 0.9, 0.3, 1) 900ms both;
}

@keyframes titleMainIn {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes titleAccentIn {
  from {
    opacity: 0;
    transform: translateY(16px);
    filter: blur(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
    filter: blur(0);
  }
}

/* ---- Divider ---- */
.splash-divider {
  width: 3em;
  height: 1.5px;
  margin: 0.5em 0 0.3em;
  background: linear-gradient(90deg,
                transparent,
                var(--sp-gold-light),
                transparent);
  transform-origin: center;
  animation: dividerExpand 900ms cubic-bezier(0.22, 0.9, 0.3, 1) 1300ms both;
}

@keyframes dividerExpand {
  from {
    opacity: 0;
    transform: scaleX(0.2);
  }
  to {
    opacity: 1;
    transform: scaleX(1);
  }
}

/* ---- Tagline ---- */
.splash-tagline {
  font-family: 'Cormorant Garamond', Georgia, serif;
  font-style: italic;
  font-size: 1.15em;
  color: rgba(245, 240, 230, 0.85);
  letter-spacing: 0.02em;
  animation: taglineIn 800ms ease-out 1600ms both;
}

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

/* ============================================================
   6. Bas de page
   ============================================================ */
.splash-sub {
  position: absolute;
  bottom: calc(2.2em + env(safe-area-inset-bottom, 0px));
  left: 0;
  right: 0;
  z-index: 3;
  font-family: 'Inter', sans-serif;
  font-size: 0.62em;
  line-height: 1.9;
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: rgba(228, 197, 106, 0.85);
  font-weight: 500;
  text-align: center;
  animation: subIn 800ms ease-out 1900ms both;
}

.splash-sub span {
  display: inline-block;
  letter-spacing: 0.22em;
  color: rgba(228, 197, 106, 0.6);
}

@keyframes subIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

/* ---- Lueur bas de page ---- */
.bottom-glow {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 30%;
  z-index: 0;
  background: linear-gradient(to top,
                rgba(228, 197, 106, 0.06) 0%,
                transparent 100%);
  pointer-events: none;
  animation: glowIn 1800ms ease-out 1000ms both;
}

@keyframes glowIn {
  from { opacity: 0; }
  to   { opacity: 1; }
}

/* ============================================================
   7. Responsive
   ============================================================ */
@media (max-width: 360px) {
  :root {
    --sp-scale: clamp(11px, 3.6vmin, 15px);
  }
  .splash-content { max-width: 18em; }
}

@media (orientation: landscape) and (max-height: 500px) {
  :root {
    --sp-scale: clamp(10px, 2.6vmin, 16px);
  }
  .splash-content {
    gap: 0.3em;
    max-width: 30em;
  }
  .splash-logo-wrap {
    width: 6em;
    height: 6em;
    margin-bottom: 0.3em;
  }
  .splash-tagline { font-size: 1em; }
  .splash-sub     { font-size: 0.55em; bottom: 1em; }
}

@media (min-width: 768px) and (min-height: 700px) {
  .splash-content { max-width: 24em; }
}

@media (min-width: 1600px) {
  :root { --sp-scale: clamp(22px, 2.8vmin, 48px); }
}

/* ============================================================
   8. Accessibilité : mouvement réduit
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .particle { display: none; }
}