:root {
  --bg: #fbfaf7;
  --bg-alt: #f1eee7;
  --text: #1f2328;
  --muted: #5b6168;
  --accent: #1f6f5c;
  --accent-dark: #17564a;
  --line: #e2ddd2;
  --radius: 12px;
  --font: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
}

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

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font);
  font-size: 1.0625rem;
  line-height: 1.6;
  color: var(--text);
  background: var(--bg);
}

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

a { color: var(--accent); }

.wrap {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 1.25rem;
}

/* Barra in alto */
.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: rgba(251, 250, 247, 0.95);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 0.5rem 1.5rem;
  padding-block: 0.9rem;
}
.brand {
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--text);
  text-decoration: none;
}
.topbar nav { display: flex; flex-wrap: wrap; gap: 1.25rem; }
.topbar nav a { color: var(--muted); text-decoration: none; }
.topbar nav a:hover { color: var(--accent); }

/* Hero */
.hero { padding: 5rem 0 4rem; }
.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
}
h1 {
  margin: 0 0 1rem;
  font-size: clamp(2rem, 5vw, 3.25rem);
  line-height: 1.15;
  max-width: 18ch;
}
h2 { margin: 0 0 1rem; font-size: clamp(1.5rem, 3vw, 2rem); }
h3 { margin: 0 0 0.5rem; font-size: 1.15rem; }
.lead { font-size: 1.2rem; color: var(--muted); max-width: 55ch; margin: 0 0 2rem; }

.button {
  display: inline-block;
  padding: 0.85rem 1.5rem;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  text-decoration: none;
}
.button:hover { background: var(--accent-dark); }

/* Sezioni */
.section { padding: 4rem 0; }
.section.alt { background: var(--bg-alt); }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 1.25rem;
}
.card {
  background: var(--bg);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.5rem;
}
.card p { margin: 0; color: var(--muted); }

/* Footer */
.footer {
  border-top: 1px solid var(--line);
  padding: 2rem 0;
  color: var(--muted);
  font-size: 0.9rem;
}

/* 404 */
.notfound { min-height: 100vh; display: flex; align-items: center; }