/* ==========================================================================
   ÉCLAIROUGE — Mobilier Urbain Vivant & Éclairage Solaire Ambré (598 nm)
   Feuille de style haute précision : Scrollytelling Fluide,
   Palette minérale & végétale, Mode Crépuscule & Finitions Haut de Gamme
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;0,600;1,400;1,600&family=JetBrains+Mono:wght@400;500;600;700&family=Outfit:wght@300;400;500;600;700;800&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
  /* Palette Éclairouge inspirée du logo et de la charte botanique */
  --ecru-bg: #FAF7F2;
  --ecru-surface: #F5F0E8;
  --ecru-card: #FFFFFF;
  --ecru-border: #E8E0D5;
  --ecru-border-subtle: #F0EAE1;

  --forest-950: #0F1E15;
  --forest-900: #172D20;
  --forest-850: #1B3526;
  --forest-800: #234231;
  --forest-700: #2D523D;
  --forest-600: #3D6B50;
  --forest-500: #4F8265;
  --forest-100: #E1EDE6;
  --forest-50: #F1F6F3;

  --amber-primary: #E88B5D;
  --amber-deep: #D57343;
  --amber-light: #F7BA96;
  --amber-glow: rgba(232, 139, 93, 0.45);
  --amber-subtle: rgba(232, 139, 93, 0.15);

  --slate-charcoal: #1E2621;
  --slate-body: #3F4E45;
  --slate-muted: #6E7D73;

  /* Mode Crépuscule / Nuit apaisée Trame Noire */
  --twilight-bg: #0C1410;
  --twilight-surface: #131E18;
  --twilight-card: #18261F;
  --twilight-border: #24352B;
  --twilight-border-hover: #375042;
  --twilight-text-main: #EDF3EF;
  --twilight-text-muted: #9BB0A3;
}

/* Base HTML & Reset */
html {
  scroll-behavior: smooth;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  color: var(--slate-charcoal);
  background-color: var(--ecru-bg);
  transition: background-color 0.4s ease, color 0.4s ease;
  overflow-x: hidden;
}

/* Typographie spécifique */
h1, h2, h3, h4, .font-heading {
  font-family: 'Outfit', sans-serif;
  letter-spacing: -0.025em;
}

.font-serif-botanical {
  font-family: 'Cormorant Garamond', Georgia, serif;
}

.font-mono-tech {
  font-family: 'JetBrains Mono', monospace;
}

/* Texture subtile papier d'art naturel */
.paper-texture {
  background-color: var(--ecru-bg);
  background-image: 
    radial-gradient(#E2D9CC 0.8px, transparent 0.8px),
    linear-gradient(to bottom, rgba(250, 247, 242, 0.94), rgba(250, 247, 242, 0.98));
  background-size: 20px 20px, 100% 100%;
}

/* ==========================================================================
   SCROLLYTELLING SHOWCASE CINÉMATIQUE FLUIDE & SANS BUG
   ========================================================================== */
.scrolly-step-card {
  transition: all 0.35s cubic-bezier(0.16, 1, 0.3, 1);
  border: 1.5px solid var(--ecru-border);
  opacity: 0.55;
  transform: scale(0.98);
}

.scrolly-step-card.active {
  opacity: 1;
  transform: scale(1);
  border-color: var(--amber-primary);
  box-shadow: 0 16px 36px -10px rgba(232, 139, 93, 0.25);
  background: #FFFFFF;
}

body.twilight-mode .scrolly-step-card.active {
  background: var(--twilight-card);
  border-color: var(--amber-primary);
  box-shadow: 0 16px 36px -10px rgba(232, 139, 93, 0.35);
}

/* Image et caméra de la scène interactive */
.scrolly-stage-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  transform-origin: 60% 25%;
  transition: transform 0.65s cubic-bezier(0.16, 1, 0.3, 1), filter 0.65s cubic-bezier(0.16, 1, 0.3, 1);
  will-change: transform;
}

/* Halo lumineux ambré réaliste */
.scrolly-beam-glow {
  position: absolute;
  top: 15%;
  left: 45%;
  width: 520px;
  height: 620px;
  border-radius: 9999px;
  background: radial-gradient(ellipse at 50% 25%, rgba(255, 175, 128, 0.95) 0%, rgba(232, 139, 93, 0.65) 45%, rgba(232, 139, 93, 0.15) 70%, transparent 85%);
  filter: blur(32px);
  pointer-events: none;
  z-index: 6;
  opacity: 0;
  transition: opacity 0.5s ease, transform 0.5s ease;
}

/* ==========================================================================
   MODE CRÉPUSCULE / TRAME NOIRE
   ========================================================================== */
body.twilight-mode {
  background-color: var(--twilight-bg);
  color: var(--twilight-text-main);
  background-image: 
    radial-gradient(#1B2D23 0.9px, transparent 0.9px),
    radial-gradient(circle at 50% 15%, rgba(232, 139, 93, 0.08) 0%, transparent 60%);
  background-size: 22px 22px, 100% 100%;
}

body.twilight-mode header {
  background-color: rgba(12, 20, 16, 0.94) !important;
  border-color: var(--twilight-border) !important;
}

body.twilight-mode .twilight-card {
  background-color: var(--twilight-card) !important;
  border-color: var(--twilight-border) !important;
  color: var(--twilight-text-main) !important;
}

body.twilight-mode .twilight-surface {
  background-color: var(--twilight-surface) !important;
  border-color: var(--twilight-border) !important;
}

body.twilight-mode .twilight-text-primary {
  color: #F3F8F5 !important;
}

body.twilight-mode .twilight-text-muted {
  color: var(--twilight-text-muted) !important;
}

body.twilight-mode .twilight-badge {
  background-color: rgba(232, 139, 93, 0.15) !important;
  border-color: rgba(232, 139, 93, 0.3) !important;
  color: #F7BA96 !important;
}

body.twilight-mode .twilight-accent-box {
  background-color: #1A2E22 !important;
  border-color: #2D4C39 !important;
  color: #EDF7F1 !important;
}

body.twilight-mode .spec-item-box {
  background-color: #14211A !important;
  border-color: #23372B !important;
}

/* ==========================================================================
   FAISCEAU ET HALO AMBRÉ (598 nm)
   ========================================================================== */
.amber-glow-box {
  box-shadow: 0 0 50px -5px rgba(232, 139, 93, 0.35);
}

.amber-glow-strong {
  box-shadow: 0 0 75px 12px rgba(232, 139, 93, 0.55);
}

.amber-text-gradient {
  background: linear-gradient(135deg, #D57343 0%, #E88B5D 50%, #B8582B 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.forest-text-gradient {
  background: linear-gradient(135deg, #0F1E15 0%, #1B3526 60%, #2D523D 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

body.twilight-mode .forest-text-gradient {
  background: linear-gradient(135deg, #EDF7F1 0%, #D4E8DC 60%, #9BB0A3 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

/* Faisceau lumineux sur la photo du hero */
.light-beam-overlay {
  position: absolute;
  pointer-events: none;
  border-radius: 9999px;
  filter: blur(24px);
  transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1), transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
}

.light-beam-dim {
  opacity: 0.45;
  background: radial-gradient(ellipse at 50% 20%, rgba(232, 139, 93, 0.7) 0%, rgba(232, 139, 93, 0.2) 45%, transparent 75%);
}

.light-beam-full {
  opacity: 0.95;
  background: radial-gradient(ellipse at 50% 20%, rgba(255, 185, 140, 0.9) 0%, rgba(232, 139, 93, 0.6) 45%, transparent 80%);
  transform: scale(1.15);
}

.light-beam-off {
  opacity: 0;
  transform: scale(0.9);
}

/* Hotspots interactifs d'inspection */
.hotspot-pin {
  position: absolute;
  width: 32px;
  height: 32px;
  border-radius: 9999px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 13px;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
  z-index: 20;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
  user-select: none;
}

.hotspot-pin::before {
  content: '';
  position: absolute;
  inset: -4px;
  border-radius: 9999px;
  background: currentColor;
  opacity: 0.35;
  animation: hotspot-pulse 2.2s infinite ease-out;
  pointer-events: none;
}

.hotspot-pin:hover {
  transform: scale(1.22);
  z-index: 30;
}

@keyframes hotspot-pulse {
  0% { transform: scale(0.9); opacity: 0.6; }
  60% { transform: scale(1.7); opacity: 0; }
  100% { transform: scale(1.7); opacity: 0; }
}

.hotspot-tooltip {
  position: absolute;
  bottom: 120%;
  left: 50%;
  transform: translateX(-50%) translateY(8px);
  background: rgba(15, 30, 21, 0.95);
  backdrop-filter: blur(8px);
  color: white;
  padding: 8px 12px;
  border-radius: 12px;
  font-size: 11px;
  line-height: 1.35;
  white-space: nowrap;
  pointer-events: none;
  opacity: 0;
  transition: all 0.2s ease;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(255, 255, 255, 0.12);
  z-index: 40;
}

.hotspot-pin:hover .hotspot-tooltip {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
}

/* ==========================================================================
   CUSTOM RANGE SLIDERS
   ========================================================================== */
input[type=range].eco-slider {
  -webkit-appearance: none;
  appearance: none;
  height: 7px;
  border-radius: 9999px;
  background: #E5DDD2;
  outline: none;
  transition: background 0.2s ease;
}

body.twilight-mode input[type=range].eco-slider {
  background: #25392E;
}

input[type=range].eco-slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  appearance: none;
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #E88B5D;
  cursor: grab;
  border: 3px solid #FFFFFF;
  box-shadow: 0 2px 10px rgba(232, 139, 93, 0.45);
  transition: transform 0.15s ease, background-color 0.15s ease;
}

input[type=range].eco-slider::-moz-range-thumb {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  background: #E88B5D;
  cursor: grab;
  border: 3px solid #FFFFFF;
  box-shadow: 0 2px 10px rgba(232, 139, 93, 0.45);
}

input[type=range].eco-slider::-webkit-slider-thumb:active {
  cursor: grabbing;
  transform: scale(1.2);
  background: #D57343;
}

.tier-btn-active {
  background-color: var(--forest-900) !important;
  color: #FFFFFF !important;
  border-color: var(--forest-900) !important;
  box-shadow: 0 4px 14px rgba(23, 45, 32, 0.25);
}

body.twilight-mode .tier-btn-active {
  background-color: #E88B5D !important;
  color: #0F1E15 !important;
  border-color: #E88B5D !important;
  box-shadow: 0 4px 16px rgba(232, 139, 93, 0.35);
}

.card-hover-elevate {
  transition: transform 0.25s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.25s cubic-bezier(0.16, 1, 0.3, 1), border-color 0.2s ease;
}

.card-hover-elevate:hover {
  transform: translateY(-4px);
  box-shadow: 0 16px 32px -8px rgba(23, 45, 32, 0.08);
  border-color: #D1C7B8;
}

body.twilight-mode .card-hover-elevate:hover {
  box-shadow: 0 16px 32px -8px rgba(0, 0, 0, 0.5);
  border-color: #3B5747;
}

.spectrum-bar-amber {
  background: linear-gradient(90deg, #D57343 0%, #E88B5D 50%, #F7BA96 100%);
}

/* ==========================================================================
   IMPRESSION DU MÉMOIRE ET DEVIS
   ========================================================================== */
@media print {
  body {
    background: #FFFFFF !important;
    color: #000000 !important;
    font-size: 11pt;
  }
  .no-print, header, footer, #twilight-toggle-btn {
    display: none !important;
  }
}