/* Landing condivisa — leggera, niente font/CDN esterni (l'ESP32 serve tutto in locale) */
:root {
  --bg: #0b1020;
  --bg-soft: #121933;
  --card: #161f3d;
  --text: #e7ecf6;
  --muted: #9aa6c4;
  --accent: #5b8cff;
  --accent-2: #8a5bff;
  --border: #243056;
  --radius: 16px;
}

* { box-sizing: border-box; }

html, body { margin: 0; padding: 0; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 80% -10%, #1b2550 0%, var(--bg) 55%);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.wrap { max-width: 920px; margin: 0 auto; padding: 0 20px; }

/* Header */
header.site {
  display: flex; align-items: center; justify-content: space-between;
  padding: 22px 0;
}
.brand { display: flex; align-items: center; gap: 12px; font-weight: 700; font-size: 1.05rem; }
.brand .logo {
  width: 34px; height: 34px; border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center; font-weight: 800; color: white;
}
nav.site a { color: var(--muted); text-decoration: none; margin-left: 18px; font-size: .95rem; }
nav.site a:hover { color: var(--text); }

/* Hero */
.hero { padding: 56px 0 28px; }
.eyebrow {
  display: inline-block; font-size: .8rem; letter-spacing: .08em; text-transform: uppercase;
  color: var(--accent); background: rgba(91,140,255,.12);
  border: 1px solid var(--border); padding: 6px 12px; border-radius: 999px; margin-bottom: 18px;
}
.hero h1 {
  font-size: clamp(2rem, 5vw, 3.2rem); line-height: 1.1; margin: 0 0 16px;
  background: linear-gradient(180deg, #fff, #b9c6ec);
  -webkit-background-clip: text; background-clip: text; color: transparent;
}
.hero p.lead { font-size: 1.15rem; color: var(--muted); max-width: 60ch; margin: 0 0 28px; }

/* Bottoni */
.cta { display: flex; gap: 14px; flex-wrap: wrap; }
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 13px 22px; border-radius: 12px; text-decoration: none; font-weight: 600;
  border: 1px solid var(--border); transition: transform .08s ease, opacity .2s ease;
}
.btn:active { transform: translateY(1px); }
.btn.primary { background: linear-gradient(135deg, var(--accent), var(--accent-2)); color: #fff; border: none; }
.btn.ghost { background: var(--card); color: var(--text); }

/* Features */
.features { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 16px; margin: 44px 0; }
.feature { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.feature h3 { margin: 0 0 8px; font-size: 1.05rem; }
.feature p { margin: 0; color: var(--muted); font-size: .96rem; }
.feature .ico { font-size: 1.6rem; margin-bottom: 10px; }

/* Footer */
footer.site { border-top: 1px solid var(--border); margin-top: 40px; padding: 28px 0 48px; color: var(--muted); font-size: .9rem; }
footer.site a { color: var(--accent); text-decoration: none; }

.badge-host { opacity: .6; font-size: .8rem; }