/* ==========================================================================
   Ciclocircuiti - stile condiviso (TSA Challenge + Circuito Gravel)
   Il colore del circuito si cambia solo nelle due righe body[data-site=...]
   ========================================================================== */

:root {
  --bg: #f5f6f8;
  --surface: #ffffff;
  --text: #1a1d21;
  --muted: #5b6470;
  --border: #e2e5ea;
  --accent: #17408f;
  --accent-2: #c8323f;
  --accent-soft: #e8eefb;
  --on-accent: #ffffff;
  --radius: 14px;
  --shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 6px 20px rgba(16, 24, 40, .06);
  --max: 1080px;
}

body[data-site="home"] {
  --accent: #17408f;
  --accent-2: #0f172a;
  --accent-soft: #e8eefb;
}

body[data-site="tsa"] {
  --accent: #17408f;
  --accent-2: #c8323f;
  --accent-soft: #e8eefb;
}

body[data-site="gravel"] {
  --accent: #c2410c;
  --accent-2: #111111;
  --accent-soft: #fdece4;
}

body[data-site="mtb"] {
  --accent: #15803d;
  --accent-2: #052e16;
  --accent-soft: #eaf8ef;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; height: auto; display: block; }
a { color: var(--accent); }
a:focus-visible, button:focus-visible, summary:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
  border-radius: 6px;
}

.container { width: min(100% - 2rem, var(--max)); margin-inline: auto; }

.skip {
  position: absolute; left: -999px; top: 0; z-index: 100;
  background: #fff; padding: .5rem 1rem; border-radius: 0 0 8px 0;
}
.skip:focus { left: 0; }

/* ---- Barra superiore + avviso ------------------------------------------ */
.topbar { background: #111827; color: #cbd5e1; font-size: .8125rem; }
.topbar .container { display: flex; justify-content: space-between; gap: 1rem; padding-block: .4rem; }
.topbar a { color: #fff; text-decoration: none; }
.topbar a:hover { text-decoration: underline; }

.notice {
  background: var(--accent); color: var(--on-accent);
  text-align: center; padding: .6rem 1rem; font-weight: 600;
}

/* ---- Header / navigazione ---------------------------------------------- */
.site-header {
  position: sticky; top: 0; z-index: 50;
  background: rgba(255, 255, 255, .96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border);
}
.site-header .bar { display: flex; align-items: center; gap: 1rem; min-height: 68px; }

.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; color: var(--text); font-weight: 700; line-height: 1.2; }
.brand-logo { height: 48px; max-width: 150px; display: flex; align-items: center; flex: none; }
.brand-logo img { max-height: 100%; width: auto; max-width: 100%; object-fit: contain; }

.site-nav { margin-left: auto; display: flex; align-items: center; gap: .25rem; }
.site-nav a.link {
  padding: .5rem .8rem; border-radius: 999px; text-decoration: none;
  color: var(--text); font-weight: 500; font-size: .95rem;
}
.site-nav a.link:hover { background: var(--accent-soft); }
.site-nav a.link[aria-current="page"] { background: var(--accent-soft); color: var(--accent); font-weight: 700; }
.site-nav .btn { margin-left: .5rem; }

.nav-toggle {
  display: none; margin-left: auto;
  background: var(--surface); border: 1px solid var(--border); border-radius: 10px;
  padding: .5rem .9rem; font: inherit; font-weight: 600; cursor: pointer;
}

/* ---- Bottoni ------------------------------------------------------------ */
.btn {
  display: inline-block; padding: .7rem 1.2rem; border-radius: 999px;
  background: var(--accent); color: var(--on-accent);
  font-weight: 700; text-decoration: none; border: 2px solid var(--accent);
}
.btn:hover { filter: brightness(1.1); }
.btn-ghost { background: transparent; color: var(--accent); }
.btn-ghost:hover { background: var(--accent-soft); filter: none; }
.btn-sm { padding: .45rem .95rem; font-size: .9rem; }

/* ---- Hero --------------------------------------------------------------- */
.hero { display: grid; grid-template-columns: 1.1fr .9fr; gap: 2rem; align-items: center; padding-block: 2.5rem 1.5rem; }
.eyebrow { margin: 0; text-transform: uppercase; letter-spacing: .08em; font-size: .8rem; font-weight: 700; color: var(--accent); }
.hero h1 { font-size: clamp(1.9rem, 4.5vw, 3rem); line-height: 1.1; margin: .4rem 0 1rem; }
.lead { font-size: 1.125rem; color: var(--muted); margin: 0 0 1.5rem; max-width: 52ch; }
.actions { display: flex; flex-wrap: wrap; gap: .75rem; }
.hero-media { border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); background: #fff; }
.hero-media.contain img { padding: 1rem; }

/* ---- Pagine interne ----------------------------------------------------- */
main.container { padding-block: 1.5rem 3rem; }
.page-head { padding-block: 1.5rem .5rem; }
.page-head h1 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); margin: 0 0 .25rem; }
.page-head p { margin: 0; color: var(--muted); }

h2.section { font-size: 1.4rem; margin: 2.5rem 0 1rem; display: flex; align-items: baseline; justify-content: space-between; gap: 1rem; }
h2.section a { font-size: .95rem; font-weight: 600; }

.grid { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); }
.card {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem; box-shadow: var(--shadow);
}
a.card { display: block; text-decoration: none; color: inherit; transition: transform .15s ease, border-color .15s ease; }
a.card:hover { transform: translateY(-2px); border-color: var(--accent); }
.card h3 { margin: 0 0 .25rem; font-size: 1.1rem; }
.card p { margin: 0; color: var(--muted); font-size: .95rem; }
.card .go { display: inline-block; margin-top: .75rem; color: var(--accent); font-weight: 700; font-size: .9rem; }

.badge {
  display: inline-block; padding: .15rem .6rem; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent); font-size: .75rem; font-weight: 700; letter-spacing: .02em;
}
.badge.dark { background: #eceef1; color: #3c4450; }

/* ---- Card Circuiti (Home Portal) --------------------------------------- */
.circuit-grid {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  margin-block: 1.5rem 2.5rem;
}

.circuit-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform .15s ease, box-shadow .15s ease, border-color .15s ease;
}

.circuit-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 25px rgba(16, 24, 40, .1);
}

.circuit-card.tsa { border-top: 5px solid #17408f; }
.circuit-card.gravel { border-top: 5px solid #c2410c; }
.circuit-card.mtb { border-top: 5px solid #15803d; }

.circuit-card-media {
  background: #ffffff;
  padding: 1.25rem;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 180px;
  border-bottom: 1px solid var(--border);
}

.circuit-card-media img {
  max-height: 140px;
  width: auto;
  object-fit: contain;
}

.circuit-card-body {
  padding: 1.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.circuit-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: .5rem;
  margin-bottom: .6rem;
}

.discipline-badge {
  display: inline-block;
  padding: .2rem .65rem;
  border-radius: 999px;
  font-size: .75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: .05em;
}

.discipline-badge.strada { background: #e8eefb; color: #17408f; }
.discipline-badge.gravel { background: #fdece4; color: #c2410c; }
.discipline-badge.mtb { background: #eaf8ef; color: #15803d; }

.circuit-card h3 {
  margin: 0 0 .5rem;
  font-size: 1.25rem;
  line-height: 1.3;
}

.circuit-card p {
  color: var(--muted);
  font-size: .95rem;
  margin: 0 0 1rem;
  flex-grow: 1;
}

.circuit-features {
  list-style: none;
  padding: 0;
  margin: 0 0 1.25rem;
  font-size: .9rem;
  color: var(--text);
  border-top: 1px solid var(--border);
  padding-top: .75rem;
}

.circuit-features li {
  display: flex;
  align-items: center;
  gap: .5rem;
  padding-block: .25rem;
}

.circuit-features li::before {
  content: "✓";
  color: #17408f;
  font-weight: 800;
}

.circuit-card.gravel .circuit-features li::before { color: #c2410c; }
.circuit-card.mtb .circuit-features li::before { color: #15803d; }

.circuit-actions {
  display: flex;
  gap: .5rem;
  flex-wrap: wrap;
  margin-top: auto;
}

/* ---- Prossimo evento ---------------------------------------------------- */
.next-event { display: flex; gap: 1.25rem; align-items: center; }
.next-event h3 { margin: .25rem 0; font-size: 1.25rem; }
.next-event p { margin: 0; }

/* ---- Calendario --------------------------------------------------------- */
.events { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
.event {
  display: grid; grid-template-columns: 72px 1fr auto; gap: 1rem; align-items: start;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.25rem; box-shadow: var(--shadow);
}
.event.next { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent-soft), var(--shadow); }
.event.past { opacity: .72; }
.event-date {
  text-align: center; border-radius: 10px; background: var(--accent-soft); color: var(--accent);
  padding: .4rem 0; line-height: 1.1;
}
.event-date .d { display: block; font-size: 1.6rem; font-weight: 800; }
.event-date .m { display: block; font-size: .8rem; text-transform: uppercase; font-weight: 700; letter-spacing: .06em; }
.event-main h3 { margin: 0; font-size: 1.1rem; }
.event-main .place { margin: 0; color: var(--muted); }
.event details { margin-top: .6rem; }
.event summary { cursor: pointer; font-weight: 600; color: var(--accent); }
.event dl { display: grid; grid-template-columns: max-content 1fr; gap: .25rem 1rem; margin: .75rem 0 .5rem; font-size: .93rem; }
.event dt { font-weight: 600; color: var(--muted); }
.event dd { margin: 0; }
.event .links { margin: .5rem 0 0; font-size: .93rem; display: flex; flex-wrap: wrap; gap: .25rem 1rem; }

/* ---- News --------------------------------------------------------------- */
.news-list { display: grid; gap: 1rem; }
.news-item {
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1.25rem 1.5rem; box-shadow: var(--shadow);
}
.news-meta { display: flex; align-items: center; gap: .6rem; color: var(--muted); font-size: .85rem; }
.news-item h3 { margin: .35rem 0 .6rem; font-size: 1.25rem; line-height: 1.25; }
.news-item .news-img { border-radius: 10px; margin: .5rem 0 1rem; max-height: 420px; width: auto; }
.news-item .more { display: inline-block; margin-top: .5rem; font-weight: 700; }
.news-compact h3 { font-size: 1.05rem; }

.prose p { margin: 0 0 .9rem; }
.prose p:last-child { margin-bottom: 0; }
.prose ul, .prose ol { padding-left: 1.25rem; }
.prose h2 { font-size: 1.3rem; margin: 2rem 0 .5rem; }
.prose h3 { font-size: 1.1rem; margin: 1.5rem 0 .5rem; }
.prose h4 { font-size: 1rem; margin: 1rem 0 .25rem; color: var(--muted); }

.prose-box { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 1.5rem; box-shadow: var(--shadow); }
.prose-box > :first-child { margin-top: 0; }

.toc { display: flex; flex-wrap: wrap; gap: .5rem; margin: 0 0 1.5rem; padding: 0; list-style: none; }
.toc a { display: inline-block; padding: .35rem .8rem; border-radius: 999px; background: var(--accent-soft); text-decoration: none; font-weight: 600; font-size: .9rem; }

/* ---- Classifiche / documenti ------------------------------------------- */
.docs { list-style: none; margin: 0; padding: 0; display: grid; gap: .75rem; }
.doc {
  display: flex; align-items: center; gap: 1rem; text-decoration: none; color: inherit;
  background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 1rem 1.25rem; box-shadow: var(--shadow);
}
.doc:hover { border-color: var(--accent); }
.doc .ext {
  flex: none; width: 52px; height: 52px; border-radius: 10px; display: grid; place-items: center;
  background: var(--accent); color: var(--on-accent); font-weight: 800; font-size: .8rem;
}
.doc h3 { margin: 0; font-size: 1.05rem; }
.doc p { margin: 0; color: var(--muted); font-size: .92rem; }

/* ---- Varie -------------------------------------------------------------- */
.callout {
  background: var(--accent-soft); border-left: 4px solid var(--accent);
  border-radius: 8px; padding: .9rem 1.1rem; margin: 1rem 0;
}
.gallery { display: grid; gap: 1rem; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); margin: 1rem 0; }
.gallery img { border-radius: 10px; width: 100%; }
.small { font-size: .85rem; color: var(--muted); }
details.legal summary { cursor: pointer; font-weight: 600; color: var(--accent); }
details.legal p { font-size: .85rem; color: var(--muted); }
.empty { color: var(--muted); }

/* ---- Footer ------------------------------------------------------------- */
.site-footer { background: #111827; color: #cbd5e1; margin-top: 3rem; padding-block: 2rem; font-size: .9rem; }
.site-footer .container { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 1.5rem; }
.site-footer a { color: #fff; }
.site-footer p { margin: 0 0 .25rem; }
.site-footer strong { color: #fff; }

/* ---- Mobile ------------------------------------------------------------- */
@media (max-width: 860px) {
  .hero { grid-template-columns: minmax(0, 1fr); }
  .hero > * { min-width: 0; }
  .nav-toggle { display: inline-block; }
  .site-nav {
    display: none; position: absolute; left: 0; right: 0; top: 100%;
    flex-direction: column; align-items: stretch; gap: .25rem;
    background: #fff; border-bottom: 1px solid var(--border); padding: .75rem 1rem 1rem;
  }
  .site-nav.open { display: flex; }
  .site-nav a.link { padding: .7rem 1rem; }
  .site-nav .btn { margin: .5rem 0 0; text-align: center; }
}
@media (max-width: 560px) {
  .brand span:not(.brand-logo) { display: none; }
  .event { grid-template-columns: 60px 1fr; }
  .event .badge { grid-column: 2; justify-self: start; }
  .event dl { grid-template-columns: 1fr; }
  .event dt { margin-top: .4rem; }
  .next-event { flex-direction: column; align-items: flex-start; }
  .topbar .container span { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  a.card { transition: none; }
}