/* ==========================================================================
   CSS GLOBAL & RÉINITIALISATIONS
   ========================================================================== */

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--color-light);
}

body {
  font-family: var(--font-body);
  color: var(--color-dark);
  line-height: 1.6;
  overflow-x: hidden;
  background-color: var(--color-light);
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: var(--transition-fast);
}

button, input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
  background: none;
}

button {
  cursor: pointer;
}

/* --- STRUCTURE --- */

.container {
  width: 100%;
  max-width: var(--max-width);
  margin-right: auto;
  margin-left: auto;
  padding-right: 24px;
  padding-left: 24px;
}

section {
  padding: 80px 0;
}

.section-bg {
  background-color: var(--color-bg-light);
}

/* --- TEXTES & EN-TÊTES --- */

.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-title {
  font-family: var(--font-title);
  font-size: var(--font-size-xxl);
  font-weight: var(--font-weight-bold);
  position: relative;
  display: inline-block;
  padding-bottom: 12px;
  letter-spacing: 0.5px;
}

/* Soulignement vert signature sous les titres de section */
.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80%;
  height: 4px;
  background-color: var(--color-accent-green);
  border-radius: var(--border-radius-full);
}

.section-subtitle {
  color: var(--color-grey-text);
  font-size: var(--font-size-md);
  margin-top: 12px;
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
}

/* --- BOUTONS --- */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 28px;
  font-family: var(--font-title);
  font-weight: var(--font-weight-semibold);
  border-radius: var(--border-radius-full);
  transition: var(--transition-normal);
  gap: 8px;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-light);
  box-shadow: 0 4px 14px rgba(197, 168, 128, 0.3);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(197, 168, 128, 0.4);
}

.btn-outline {
  border: 2px solid var(--color-accent);
  color: var(--color-dark);
}

.btn-outline:hover {
  background-color: var(--color-accent);
  color: var(--color-light);
}

.btn-dark {
  background-color: var(--color-dark);
  color: var(--color-light);
}

.btn-dark:hover {
  background-color: #000000;
  transform: translateY(-2px);
}

/* --- CLASSES UTILITAIRES --- */

.text-center { text-align: center; }
.mt-4 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1.5rem; }

/* Image fallback stylisé quand l'utilisateur n'a pas encore ajouté ses images */
.image-placeholder {
  width: 100%;
  height: 100%;
  background: linear-gradient(135deg, #efe8de 0%, #dbd3c5 100%);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--color-accent-hover);
  font-family: var(--font-title);
  text-align: center;
  padding: 20px;
  border-radius: inherit;
}

.image-placeholder i {
  font-size: 2.5rem;
  margin-bottom: 12px;
  opacity: 0.7;
}

/* Barre de défilement stylisée */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-bg-light);
}

::-webkit-scrollbar-thumb {
  background: var(--color-accent);
  border-radius: var(--border-radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-accent-hover);
}

/* --- ANIMATIONS DE DÉFILEMENT (FADE IN UP) --- */

.fade-in-section {
  opacity: 0;
  transform: translateY(30px);
  visibility: hidden;
  transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
              visibility 0.8s;
  will-change: opacity, transform;
}

.fade-in-section.is-visible {
  opacity: 1;
  transform: translateY(0);
  visibility: visible;
}