/* Pagina principale di incerchia.it. Solo stili locali (CSP default-src 'self'), nessun font esterno. */
:root {
  --bg: #fbf8f3; --bg-2: #f3ece2; --panel: #ffffff; --fg: #1f2430; --muted: #5b6170; --line: #e4ddd2;
  --accent: #9a4a1e; --accent-2: #b8622f; --accent-fg: #ffffff; --accent-soft: #f6e6db;
  --ok: #1f6b45; --ok-soft: #e1f2e8; --radius: 18px; --shadow: 0 2px 6px rgba(31, 36, 48, .06), 0 18px 48px rgba(31, 36, 48, .10);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141821; --bg-2: #1a1f2a; --panel: #1e2430; --fg: #ece8e1; --muted: #a9adb8; --line: #2c3240;
    --accent: #f0a46e; --accent-2: #f5b98d; --accent-fg: #1b130d; --accent-soft: #3a2a20; --ok: #7fd3a5; --ok-soft: #173327;
    --shadow: 0 18px 48px rgba(0, 0, 0, .35);
  }
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }
body { margin: 0; background: var(--bg); color: var(--fg); font: 17px/1.6 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); }
h1, h2, h3 { line-height: 1.15; margin: 0 0 .6rem; letter-spacing: -.01em; }
h1 { font-size: clamp(2.1rem, 5.2vw, 3.6rem); letter-spacing: -.025em; }
h2 { font-size: clamp(1.6rem, 3.4vw, 2.4rem); letter-spacing: -.02em; }
h3 { font-size: 1.12rem; }
p { margin: 0 0 .8rem; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 20px; }
.narrow { max-width: 760px; }
.center { text-align: center; }
.muted { color: var(--muted); }
.small { font-size: .9rem; }
.eyebrow { text-transform: uppercase; letter-spacing: .12em; font-size: .78rem; font-weight: 700; color: var(--accent); margin-bottom: .6rem; }
.lead { font-size: 1.15rem; color: var(--muted); max-width: 38em; }
.skip { position: absolute; left: -9999px; }
.skip:focus { left: 16px; top: 16px; background: var(--panel); padding: 8px 12px; border-radius: 8px; z-index: 20; }
a:focus-visible, summary:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: 6px; }
section { padding: 88px 0; }

/* Pulsanti */
.btn { display: inline-block; background: var(--accent); color: var(--accent-fg); text-decoration: none; font-weight: 700; padding: 14px 22px; border-radius: 12px; border: 2px solid var(--accent); transition: transform .15s ease, background .15s ease; }
.btn:hover { background: var(--accent-2); border-color: var(--accent-2); transform: translateY(-1px); }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.ghost:hover { background: var(--accent-soft); }
.btn.small { padding: 9px 16px; font-size: .95rem; }
.btn.big { padding: 18px 30px; font-size: 1.1rem; }
.cta-row { display: flex; flex-wrap: wrap; gap: 12px; margin: 24px 0 14px; }
.fine { font-size: .88rem; color: var(--muted); }

/* Navigazione */
.nav { position: sticky; top: 0; z-index: 10; background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.nav-in { display: flex; align-items: center; gap: 24px; height: 64px; }
.nav nav { display: flex; gap: 22px; margin-left: auto; }
.nav nav a { color: var(--fg); text-decoration: none; font-size: .95rem; }
.nav nav a:hover { color: var(--accent); }
.logo { display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.2rem; color: var(--fg); text-decoration: none; }
.mark { width: 26px; height: 26px; border-radius: 50%; border: 4px solid var(--accent); position: relative; flex: none; }
.mark::after { content: ""; position: absolute; inset: 4px; border-radius: 50%; background: var(--accent); }

/* Apertura */
.hero { padding: 72px 0 96px; background: radial-gradient(1200px 520px at 85% 10%, var(--accent-soft), transparent 60%); }
.hero-in { display: grid; grid-template-columns: 1.15fr .85fr; gap: 56px; align-items: center; }
.phone { justify-self: center; width: min(320px, 100%); aspect-ratio: 9 / 18.5; border-radius: 40px; padding: 12px; background: #1f2430; box-shadow: var(--shadow); }
.phone-screen { height: 100%; border-radius: 30px; background: var(--bg-2); padding: 22px 16px; display: flex; flex-direction: column; gap: 12px; overflow: hidden; }
.ph-time { text-align: center; font-weight: 700; font-size: .85rem; color: var(--muted); margin: 0 0 4px; }
.ph-card { background: var(--panel); border: 1px solid var(--line); border-radius: 16px; padding: 14px; }
.ph-card.ok { border-color: var(--ok); background: var(--ok-soft); }
.ph-card.soft { opacity: .92; }
.ph-tag { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--muted); margin: 0 0 4px; display: flex; align-items: center; gap: 6px; }
.ph-card.ok .ph-tag { color: var(--ok); }
.dot { width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.ph-title { font-weight: 800; margin: 0 0 2px; font-size: 1rem; }
.ph-meta { font-size: .8rem; color: var(--muted); margin: 0; }

/* Problemi */
.pains { background: var(--bg-2); }
.cols3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; margin-top: 28px; }
.cols3 h3 { font-size: 1.25rem; }
.cols3 p { color: var(--muted); }

/* Funzioni */
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 32px; }
.feat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.feat p { color: var(--muted); margin: 0; }
.ico { display: inline-grid; place-items: center; width: 44px; height: 44px; border-radius: 12px; background: var(--accent-soft); color: var(--accent); font-weight: 800; font-size: 1.3rem; margin-bottom: 14px; }

/* Differenza */
.different { background: var(--fg); color: var(--bg); }
.different .lead { color: color-mix(in srgb, var(--bg) 75%, transparent); }
.different .eyebrow { color: var(--accent-2); }
@media (prefers-color-scheme: dark) { .different { background: #0d1016; color: var(--fg); } .different .lead { color: var(--muted); } }
.diff-in { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.checks { list-style: none; padding: 0; margin: 0 0 24px; }
.checks li { position: relative; padding: 10px 0 10px 34px; border-bottom: 1px solid color-mix(in srgb, currentColor 14%, transparent); }
.checks li::before { content: "✓"; position: absolute; left: 0; top: 9px; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; font-size: .8rem; font-weight: 800; background: var(--accent); color: var(--accent-fg); }

/* Passi */
.steps-list { list-style: none; padding: 0; margin: 32px 0 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; counter-reset: none; }
.steps-list li { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 24px; }
.steps-list p { color: var(--muted); margin: 0; }
.n { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--accent); color: var(--accent); font-weight: 800; margin-bottom: 12px; }

/* Scuola */
.school { background: linear-gradient(180deg, var(--bg-2), var(--bg)); }
.school-in { max-width: 820px; }

/* Prezzi */
.plans { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; margin: 32px auto 18px; max-width: 900px; }
.plan { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 30px; display: flex; flex-direction: column; }
.plan ul { padding-left: 1.1rem; margin: 10px 0 24px; flex: 1; }
.plan li { margin: 6px 0; }
.plan .btn { align-self: flex-start; }
.plan.featured { border: 2px solid var(--accent); box-shadow: var(--shadow); }
.price { font-size: 1.8rem; font-weight: 800; margin: 0 0 4px; }
.badge { display: inline-block; align-self: flex-start; background: var(--accent-soft); color: var(--accent); font-weight: 800; font-size: .78rem; text-transform: uppercase; letter-spacing: .08em; padding: 4px 10px; border-radius: 999px; }

/* Domande */
.faq details { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 4px 20px; margin: 10px 0; }
.faq summary { cursor: pointer; font-weight: 700; padding: 14px 0; list-style: none; position: relative; padding-right: 28px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; position: absolute; right: 0; top: 10px; font-size: 1.4rem; color: var(--accent); }
.faq details[open] summary::after { content: "–"; }
.faq details p { color: var(--muted); }

/* Chiusura */
.final { background: radial-gradient(900px 420px at 50% 0%, var(--accent-soft), transparent 70%); }
.final .lead { margin: 0 auto 26px; }

.foot { border-top: 1px solid var(--line); padding: 40px 0 28px; }
.foot-in { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 18px; }
.foot-links { display: grid; grid-template-columns: 1fr 1fr; gap: 8px 18px; align-content: start; }
.foot-links a { color: var(--fg); text-decoration: none; font-size: .95rem; }
.foot-links a:hover { color: var(--accent); }

@media (max-width: 900px) {
  section { padding: 64px 0; }
  .hero-in, .diff-in { grid-template-columns: 1fr; gap: 40px; }
  .grid, .cols3, .steps-list { grid-template-columns: 1fr 1fr; }
  .nav nav { display: none; }
  .nav-in .btn { margin-left: auto; }
}
@media (max-width: 620px) {
  .wrap { padding: 0 16px; }
  .grid, .cols3, .steps-list, .plans, .foot-in, .foot-links { grid-template-columns: 1fr; }
  .hero { padding-top: 40px; }
  .btn { width: 100%; text-align: center; }
  .nav-in .btn { width: auto; }
}