/* ==========================================================================
   RESET & FONDATIONS TYPOGRAPHIQUES
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Cinzel:wght@600;700;800;900&family=Noto+Serif+SC:wght@500;700&family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  background-color: var(--color-surface-soft);
  color: var(--color-text-main);
  line-height: 1.6;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

img, picture, svg, video {
  display: block;
  max-width: 100%;
  height: auto;
}

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

button, input, select, textarea {
  font: inherit;
}

/* ==========================================================================
   TYPOGRAPHIE INSTITUTIONNELLE
   ========================================================================== */
h1, h2, h3, h4, .font-serif {
  font-family: var(--font-serif);
  color: var(--color-navy);
  letter-spacing: -0.01em;
  font-weight: 700;
}

h1 {
  font-size: clamp(2rem, 3.8vw, 3.4rem);
  line-height: 1.15;
}

h2 {
  font-size: clamp(1.75rem, 2.8vw, 2.5rem);
  line-height: 1.25;
}

h3 {
  font-size: clamp(1.25rem, 1.8vw, 1.5rem);
  line-height: 1.35;
}

p {
  color: var(--color-text-muted);
  font-size: 1.025rem;
  line-height: 1.7;
}

/* Sous-titres bilingues chinois de prestige */
.chinese-char {
  font-family: var(--font-chinese);
  color: var(--color-gold);
  font-weight: 600;
  display: inline-block;
  letter-spacing: 0.12em;
}

.chinese-subtitle {
  font-family: var(--font-chinese);
  font-size: 0.95rem;
  letter-spacing: 0.15em;
  color: var(--color-gold);
  display: block;
  text-transform: uppercase;
  margin-bottom: var(--space-xs);
  font-weight: 500;
}

/* ==========================================================================
   LAYOUT & CONTENEURS
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--space-lg);
}

.section-padding {
  padding-block: clamp(3.5rem, 6vw, 6rem);
}

.section-header {
  text-align: center;
  max-width: 780px;
  margin-inline: auto;
  margin-bottom: var(--space-3xl);
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 6px 16px;
  background-color: var(--color-gold-subtle);
  border: 1px solid rgba(184, 134, 11, 0.25);
  border-radius: var(--radius-full);
  color: var(--color-gold-dark);
  font-size: 0.825rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: var(--space-sm);
}

.section-tag.green {
  background-color: var(--color-green-subtle);
  border-color: rgba(46, 107, 62, 0.25);
  color: var(--color-green);
}

.section-tag.navy {
  background-color: var(--color-navy-subtle);
  border-color: rgba(31, 56, 100, 0.25);
  color: var(--color-navy);
}

.gold-ornament {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  margin: var(--space-sm) auto var(--space-md);
}

.gold-ornament::before,
.gold-ornament::after {
  content: "";
  display: block;
  width: 48px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--color-gold));
}

.gold-ornament::after {
  background: linear-gradient(90deg, var(--color-gold), transparent);
}

.gold-ornament span {
  width: 8px;
  height: 8px;
  background-color: var(--color-gold);
  transform: rotate(45deg);
}

/* ==========================================================================
   BOUTONS & INTERACTIONS
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: 13px 26px;
  font-weight: 600;
  font-size: 0.95rem;
  border-radius: var(--radius-sm);
  cursor: pointer;
  border: 1px solid transparent;
  transition: all var(--transition-smooth);
  text-align: center;
  white-space: nowrap;
}

.btn-primary {
  background-color: var(--color-navy);
  color: #FFFFFF;
  border-color: var(--color-navy);
  box-shadow: 0 4px 12px rgba(31, 56, 100, 0.25);
}

.btn-primary:hover {
  background-color: var(--color-navy-dark);
  border-color: var(--color-navy-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 18px rgba(31, 56, 100, 0.35);
  color: #FFFFFF;
}

.btn-gold {
  background-color: var(--color-gold);
  color: #FFFFFF;
  border-color: var(--color-gold);
  box-shadow: 0 4px 14px rgba(184, 134, 11, 0.3);
}

.btn-gold:hover {
  background-color: var(--color-gold-dark);
  border-color: var(--color-gold-dark);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(184, 134, 11, 0.4);
  color: #FFFFFF;
}

.btn-outline-gold {
  background-color: transparent;
  color: var(--color-gold-light);
  border-color: var(--color-gold);
}

.btn-outline-gold:hover {
  background-color: var(--color-gold);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-outline-navy {
  background-color: transparent;
  color: var(--color-navy);
  border-color: var(--color-navy);
}

.btn-outline-navy:hover {
  background-color: var(--color-navy);
  color: #FFFFFF;
  transform: translateY(-2px);
}

.btn-green {
  background-color: var(--color-green);
  color: #FFFFFF;
  border-color: var(--color-green);
}

.btn-green:hover {
  background-color: var(--color-green-light);
  transform: translateY(-2px);
}

.btn-sm {
  padding: 8px 16px;
  font-size: 0.85rem;
}

.btn-lg {
  padding: 16px 32px;
  font-size: 1.05rem;
}

/* ==========================================================================
   BADGES, SCEAUX & STATUTS
   ========================================================================== */
.seal-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 4px 10px;
  border-radius: var(--radius-xs);
  font-size: 0.775rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.seal-badge.navy {
  background-color: var(--color-navy-subtle);
  color: var(--color-navy);
  border: 1px solid rgba(31, 56, 100, 0.2);
}

.seal-badge.gold {
  background-color: var(--color-gold-subtle);
  color: var(--color-gold-dark);
  border: 1px solid rgba(184, 134, 11, 0.3);
}

.seal-badge.green {
  background-color: var(--color-green-subtle);
  color: var(--color-green);
  border: 1px solid rgba(46, 107, 62, 0.3);
}