/* Sito pubblico di Glyco – stile unico per tutte le pagine (chiaro/scuro automatico) */
:root {
  color-scheme: light dark;
  --bg: #f4f6fa;
  --bg-alt: #ffffff;
  --card: #ffffff;
  --text: #111827;
  --muted: #4b5563;
  --border: #e5e7eb;
  --primary: #2563eb;
  --primary-ink: #ffffff;
  --primary-soft: #e0e7ff;
  --warning-bg: #fffbeb;
  --warning-border: #fcd34d;
  --radius: 16px;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0b1120;
    --bg-alt: #0f172a;
    --card: #111a2e;
    --text: #f3f4f6;
    --muted: #9ca3af;
    --border: #1f2a44;
    --primary: #3b82f6;
    --primary-soft: #1e293b;
    --warning-bg: #2a2111;
    --warning-border: #a16207;
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; }
a { color: var(--primary); }
h1, h2, h3 { line-height: 1.2; margin: 0 0 12px; }
h1 { font-size: clamp(32px, 5vw, 52px); letter-spacing: -0.02em; }
h2 { font-size: clamp(24px, 3.2vw, 34px); letter-spacing: -0.01em; }
h3 { font-size: 18px; }
p { margin: 0 0 12px; }

.wrap { width: 100%; max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.center { text-align: center; }

/* ---------------------------------------------------------------- intestazione */
.site-header {
  position: sticky; top: 0; z-index: 10;
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: saturate(180%) blur(12px);
  -webkit-backdrop-filter: saturate(180%) blur(12px);
  border-bottom: 1px solid var(--border);
}
.bar { display: flex; align-items: center; gap: 16px; min-height: 64px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); font-weight: 800; font-size: 20px; }
.brand img { border-radius: 8px; }
.links { display: flex; gap: 4px; margin-right: auto; }
.links a { color: var(--muted); text-decoration: none; padding: 8px 12px; border-radius: 999px; font-weight: 600; font-size: 15px; }
.links a:hover, .links a[aria-current="page"] { color: var(--text); background: var(--primary-soft); }
.actions { display: flex; align-items: center; gap: 10px; }

.lang { position: relative; }
.lang summary {
  list-style: none; cursor: pointer; user-select: none;
  padding: 8px 12px; border: 1px solid var(--border); border-radius: 999px;
  font-weight: 600; font-size: 14px; color: var(--text); background: var(--card);
}
.lang summary::-webkit-details-marker { display: none; }
.lang-menu {
  position: absolute; right: 0; top: calc(100% + 8px); min-width: 170px;
  background: var(--card); border: 1px solid var(--border); border-radius: 12px;
  box-shadow: var(--shadow); padding: 6px; display: flex; flex-direction: column;
}
.lang-menu a { padding: 8px 12px; border-radius: 8px; text-decoration: none; color: var(--text); font-size: 15px; }
.lang-menu a:hover { background: var(--primary-soft); }
.lang-menu a[aria-current="true"] { font-weight: 700; color: var(--primary); }

/* ---------------------------------------------------------------- pulsanti */
.btn {
  display: inline-block; text-decoration: none; font-weight: 700; font-size: 16px;
  background: var(--primary); color: var(--primary-ink);
  padding: 13px 22px; border-radius: 999px; border: 1px solid var(--primary);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}
.btn:hover { transform: translateY(-1px); box-shadow: 0 6px 18px rgba(37, 99, 235, 0.3); }
.btn-ghost { background: transparent; color: var(--primary); }
.btn-ghost:hover { box-shadow: none; background: var(--primary-soft); }
.btn-small { padding: 8px 16px; font-size: 14px; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 12px; }
.cta-row.center { justify-content: center; }
.stores { display: flex; flex-wrap: wrap; gap: 10px; margin: 8px 0; }
.store { text-decoration: none; color: var(--text); border: 1px solid var(--border); background: var(--card); padding: 8px 14px; border-radius: 10px; font-weight: 600; font-size: 14px; }

/* ---------------------------------------------------------------- sezioni */
.hero { padding: 56px 0 40px; background: radial-gradient(1200px 500px at 85% 0%, var(--primary-soft), transparent 70%); }
.hero-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 48px; align-items: center; }
.eyebrow { color: var(--primary); font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; font-size: 13px; }
.lead { font-size: 19px; color: var(--muted); }
.note { color: var(--muted); font-size: 14px; }
.phone { justify-self: center; max-width: 320px; }
.phone img, .shots img, .doc-shot {
  border-radius: 28px; border: 8px solid #0b1220; box-shadow: var(--shadow); display: block; background: #fff;
}

.section { padding: 64px 0; }
.section.alt { background: var(--bg-alt); border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }
.section-lead { color: var(--muted); font-size: 18px; max-width: 720px; margin-bottom: 28px; }
.grid { display: grid; gap: 18px; }
.features { grid-template-columns: repeat(3, 1fr); }
.three { grid-template-columns: repeat(3, 1fr); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 22px; }
.card p:last-child { margin-bottom: 0; }
.card .icon {
  width: 46px; height: 46px; border-radius: 12px; display: grid; place-items: center;
  background: var(--primary-soft); font-size: 24px; margin-bottom: 12px;
}
.card h3 { margin-bottom: 6px; }
.card p { color: var(--muted); }
.card.highlight { border-color: var(--primary); }
.card.warning { background: var(--warning-bg); border-color: var(--warning-border); }
.card.highlight p, .card.warning p { color: var(--text); }

.shots { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; margin-top: 24px; }
.shots figure { margin: 0; }
.shots figcaption { text-align: center; color: var(--muted); font-size: 14px; margin-top: 10px; }

.steps { list-style: none; padding: 0; margin: 24px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.steps li { display: flex; gap: 14px; background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; }
.steps .num {
  flex: none; width: 36px; height: 36px; border-radius: 50%; display: grid; place-items: center;
  background: var(--primary); color: var(--primary-ink); font-weight: 800;
}
.steps p { color: var(--muted); margin: 0; }

.faq { background: var(--card); border: 1px solid var(--border); border-radius: 12px; padding: 0 18px; margin: 10px 0; }
.faq summary { cursor: pointer; font-weight: 700; padding: 16px 0; }
.faq p { color: var(--muted); padding-bottom: 6px; }
.final { background: linear-gradient(135deg, var(--primary), #1e40af); color: #fff; }
.final p { color: #e0e7ff; font-size: 18px; }
.final .btn { background: #fff; color: #1e3a8a; border-color: #fff; }
.final .btn-ghost { background: transparent; color: #fff; border-color: rgba(255, 255, 255, 0.6); }

/* ---------------------------------------------------------------- guida */
.guide { display: grid; grid-template-columns: 250px 1fr; gap: 40px; padding-top: 40px; padding-bottom: 64px; }
.toc { position: sticky; top: 88px; align-self: start; max-height: calc(100vh - 110px); overflow: auto; }
.toc-title { font-weight: 800; text-transform: uppercase; font-size: 12px; letter-spacing: 0.08em; color: var(--muted); }
.toc ol { list-style: none; padding: 0; margin: 0; }
.toc a { display: block; padding: 6px 10px; border-radius: 8px; text-decoration: none; color: var(--text); font-size: 15px; }
.toc a:hover { background: var(--primary-soft); }
.doc-body h1 { font-size: clamp(30px, 4vw, 42px); }
.doc { padding: 28px 0; border-bottom: 1px solid var(--border); overflow: hidden; }
.doc h2 { font-size: 26px; }
.doc-shot { float: right; width: 220px; margin: 0 0 16px 28px; border-width: 6px; border-radius: 22px; }
.doc ol, .doc ul { padding-left: 22px; }
.doc li { margin: 6px 0; }
.tip { background: var(--primary-soft); border-radius: 12px; padding: 12px 16px; }
.help { margin-top: 32px; }

/* ---------------------------------------------------------------- piè di pagina */
.site-footer { border-top: 1px solid var(--border); padding: 32px 0 40px; color: var(--muted); font-size: 14px; }
.footer-links { display: flex; flex-wrap: wrap; gap: 8px 22px; margin-bottom: 14px; }
.footer-links a { color: var(--text); text-decoration: none; font-weight: 600; }
.footer-links a:hover { color: var(--primary); }
.disclaimer { max-width: 760px; }

/* ---------------------------------------------------------------- schermi piccoli */
@media (max-width: 900px) {
  .hero-grid, .two-col { grid-template-columns: 1fr; }
  .phone { max-width: 260px; }
  .features, .three, .steps { grid-template-columns: 1fr 1fr; }
  .shots { grid-template-columns: 1fr 1fr; }
  .guide { grid-template-columns: 1fr; }
  .toc { position: static; max-height: none; border: 1px solid var(--border); border-radius: var(--radius); padding: 14px; background: var(--card); }
}
@media (max-width: 600px) {
  .wrap { padding: 0 16px; }
  .bar { gap: 8px; }
  .brand span { display: none; }
  .links { gap: 0; }
  .links a { padding: 6px 8px; font-size: 14px; }
  .links a:first-child { display: none; }
  .lang summary { padding: 6px 10px; }
  .hero { padding-top: 32px; }
  .features, .three, .steps { grid-template-columns: 1fr; }
  .section { padding: 44px 0; }
  .doc-shot { float: none; width: 200px; margin: 0 auto 16px; }
}