:root {
  --color-bg: #fafafa;
  --color-text: #1a1a1a;
  --color-muted: #6b6b6b;
  --color-accent: #1f6feb;
  --color-border: #e5e5e5;
  --header-height: 64px;
  --container-max: 1080px;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.6;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  height: var(--header-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.brand {
  font-size: 1.2rem;
  font-weight: 700;
  text-decoration: none;
  color: var(--color-text);
}

.brand:hover {
  color: var(--color-accent);
}

.site-nav ul {
  list-style: none;
  display: flex;
  gap: 24px;
}

.site-nav a {
  text-decoration: none;
  color: var(--color-muted);
  font-weight: 500;
}

.site-nav a:hover,
.site-nav a.active {
  color: var(--color-accent);
}

/* Hamburger (masqué en desktop) */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 6px;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: 2px;
  transition: transform 0.25s ease, opacity 0.25s ease;
}

/* Main */
.site-main {
  flex: 1;
  display: flex;
  align-items: center;
}

.hero {
  padding: 80px 0;
  text-align: center;
}

.hero h1 {
  font-size: clamp(2rem, 6vw, 3.5rem);
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 12px;
}

.hero-sub {
  color: var(--color-muted);
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.banner-coming {
  display: inline-block;
  border: 1px dashed var(--color-border);
  border-radius: 12px;
  padding: 14px 32px;
  color: var(--color-muted);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  padding: 24px 0;
  text-align: center;
  color: var(--color-muted);
  font-size: 0.9rem;
}

/* Mobile */
@media (max-width: 640px) {
  .nav-toggle {
    display: flex;
  }

  .site-nav {
    display: none;
    position: absolute;
    top: var(--header-height);
    left: 0;
    right: 0;
    background: var(--color-bg);
    border-bottom: 1px solid var(--color-border);
    padding: 16px 20px;
  }

  .site-nav.open {
    display: block;
  }

  .site-nav ul {
    flex-direction: column;
    gap: 12px;
  }
}