/* ==========================================================================
   Scatto Centro Sportivo — design token
   ========================================================================== */

:root {
  --color-bg: #F7F5F1;
  --color-navy-900: #1B2A4A;
  --color-navy-700: #2C3F66;
  --color-coral-500: #E14F2A;
  --color-gold-400: #F2B705;
  --color-white: #FFFFFF;
  --color-ink: #1B2A4A;
  --color-line: #DAD5C9;

  --font-display: ui-sans-serif, "Helvetica Neue", Arial, sans-serif;
  --font-body: ui-sans-serif, system-ui, "Segoe UI", Roboto, sans-serif;

  --step-0: clamp(1rem, 0.96rem + 0.2vw, 1.05rem);
  --step-1: clamp(1.2rem, 1.1rem + 0.5vw, 1.4rem);
  --step-2: clamp(1.6rem, 1.4rem + 1vw, 2.1rem);
  --step-3: clamp(2.2rem, 1.7rem + 2.6vw, 3.6rem);

  --space-1: 0.5rem;
  --space-2: 1rem;
  --space-3: 1.75rem;
  --space-4: 3rem;
  --space-5: 5rem;
  --wrap-width: 72rem;
  --wrap-width-narrow: 42rem;
}

@media (prefers-reduced-motion: no-preference) { :root { --transition: 140ms ease; } }
@media (prefers-reduced-motion: reduce) { :root { --transition: 0ms; } }

*, *::before, *::after { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-body);
  font-size: var(--step-0);
  line-height: 1.6;
  color: var(--color-ink);
  background: var(--color-bg);
}
p { margin: 0 0 var(--space-2); }
code {
  background: var(--color-white);
  border: 1px solid var(--color-line);
  padding: 0.1em 0.4em;
  border-radius: 0.25rem;
  font-size: 0.9em;
}

a { color: var(--color-navy-700); }

/* Focus sempre ben visibile: è il punto centrale di questo progetto */
a:focus-visible,
button:focus-visible {
  outline: 3px solid var(--color-coral-500);
  outline-offset: 3px;
  border-radius: 0.2rem;
}

.skip-link {
  position: absolute; left: -9999px; top: 0;
  background: var(--color-navy-900); color: var(--color-white);
  padding: var(--space-2); z-index: 100;
}
.skip-link:focus { left: var(--space-2); top: var(--space-2); }

.wrap { max-width: var(--wrap-width); margin-inline: auto; padding-inline: var(--space-3); }
.wrap.narrow { max-width: var(--wrap-width-narrow); }

/* Header */
.site-header { border-bottom: 3px solid var(--color-navy-900); padding-block: var(--space-2); }
.header-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: var(--space-2); }
.logo {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: 0.02em;
  text-decoration: none;
  color: var(--color-navy-900);
  font-size: 1.3rem;
}
.site-header nav ul { list-style: none; display: flex; gap: var(--space-3); margin: 0; padding: 0; }
.site-header nav a { text-decoration: none; color: var(--color-navy-900); font-weight: 700; font-size: 0.9rem; }

/* Hero */
.hero { padding-block: var(--space-5) var(--space-4); }
.kicker {
  text-transform: uppercase; letter-spacing: 0.1em; font-size: 0.78rem;
  font-weight: 800; color: var(--color-coral-500);
}
.hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-3);
  line-height: 1.05;
  max-width: 18ch;
  margin: var(--space-2) 0 var(--space-3);
  color: var(--color-navy-900);
}
.lead { font-size: var(--step-1); max-width: 46ch; color: var(--color-navy-700); }

/* Sezioni */
.section { padding-block: var(--space-5); }
.section h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--step-2);
  margin: 0 0 var(--space-3);
  color: var(--color-navy-900);
}
.section--dark { background: var(--color-navy-900); color: var(--color-white); }
.section--dark h2 { color: var(--color-white); }
.section--dark p { color: #D7DCE8; }
.section--dark code { background: var(--color-navy-700); color: var(--color-white); border-color: var(--color-navy-700); }

.notice {
  background: var(--color-gold-400);
  color: var(--color-navy-900);
  padding: var(--space-2) var(--space-3);
  border-radius: 0.35rem;
  font-weight: 600;
  margin-bottom: var(--space-3);
}

/* Tabs giorni — funzionano come link di ancoraggio anche senza JS */
.day-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: var(--space-3);
}
.day-tab {
  text-decoration: none;
  font-weight: 700;
  padding: 0.5rem 1rem;
  border: 2px solid var(--color-navy-900);
  border-radius: 999px;
  color: var(--color-navy-900);
  background: var(--color-white);
  transition: background var(--transition), color var(--transition);
}
.day-tab:hover { background: var(--color-navy-900); color: var(--color-white); }
.day-tab[aria-selected="true"] { background: var(--color-navy-900); color: var(--color-white); }

/* Senza JS: tutti i pannelli visibili, impilati */
.day-panel {
  border: 1px solid var(--color-line);
  border-radius: 0.5rem;
  padding: var(--space-3);
  margin-bottom: var(--space-2);
  background: var(--color-white);
  scroll-margin-top: 5rem;
}
.day-panel h3 {
  font-family: var(--font-display);
  font-weight: 800;
  margin: 0 0 var(--space-2);
  color: var(--color-navy-900);
}
/* Con JS: solo il pannello attivo è visibile (main.js aggiunge [hidden]) */
.day-panel[hidden] { display: none; }

.course-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 0.6rem; }
.course-item {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: var(--space-2);
  padding: 0.75rem;
  border: 1px solid var(--color-line);
  border-radius: 0.4rem;
}
.course-time {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--color-coral-500);
  min-width: 3.2em;
}
.course-info { font-size: 0.95rem; }
.course-info strong { color: var(--color-navy-900); }

.btn-book {
  font: inherit;
  font-weight: 700;
  background: var(--color-navy-900);
  color: var(--color-white);
  border: none;
  padding: 0.5rem 1rem;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: background var(--transition);
}
.btn-book:hover { background: var(--color-navy-700); }
.btn-book[aria-pressed="true"] {
  background: var(--color-gold-400);
  color: var(--color-navy-900);
}

/* Footer */
.site-footer { border-top: 3px solid var(--color-navy-900); padding-block: var(--space-3); }
.footer-inner {
  display: flex; flex-wrap: wrap; gap: var(--space-2); justify-content: space-between;
  font-size: 0.85rem; color: var(--color-navy-700);
}
.footer-inner a { color: inherit; }

@media (max-width: 30rem) {
  .course-item { grid-template-columns: 1fr; }
  .btn-book { justify-self: start; }
}