/* Style pour site vitrine Katchina */
:root {
  color-scheme: light;
  font-family: 'Inter', system-ui, sans-serif;
  color: #202124;
  background: #eef4fb;
  --primary: #0f4c81;
  --primary-soft: #dfe9f4;
  --text: #202124;
  --muted: #5f6368;
  --bg: #f5f9ff;
  --surface: #ffffff;
  --border: #e7eaf0;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-height: 100vh;
  background: linear-gradient(180deg, #f7fafe 0%, #eef4fb 100%);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  font-family: 'Inter', system-ui, sans-serif;
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input,
textarea {
  font: inherit;
}

#root {
  min-height: 100vh;
}

.heroSection {
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: calc(100vh - 80px);
  background: linear-gradient(180deg, rgba(15,76,129,0.88), rgba(15,76,129,0.7)), url('https://images.unsplash.com/photo-1519211975560-4ca611f5a72f?auto=format&fit=crop&w=1600&q=80') center/cover no-repeat;
  padding: 0 1rem 2.5rem;
}

.heroSection::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at top, rgba(255,255,255,0.08), transparent 35%), linear-gradient(180deg, rgba(15,76,129,0.25), rgba(15,76,129,0.8));
}

.heroContent {
  position: relative;
  z-index: 1;
  padding: 4rem 1.5rem 4rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  width: 100%;
  max-width: 820px;
}

.heroNotice {
  margin: 2rem auto 0;
  padding: 1.5rem 1.75rem;
  width: 100%;
  max-width: 680px;
  background: rgba(255,255,255,0.95);
  border-radius: 28px;
  color: #1f2f52;
  box-shadow: 0 22px 60px rgba(2, 17, 54, 0.12);
}

.MuiPaper-root {
  box-shadow: none;
}

@media (max-width: 900px) {
  .heroContent {
    padding: 4rem 1.25rem 3rem;
  }
}

@media (max-width: 650px) {
  .heroContent {
    padding: 3rem 1rem 2.5rem;
  }
}