/* ============================================================
   RIVALTA TANDEM — DESIGN TOKENS
   Verde e arancio del logo, motivo del "percorso" (la strada che
   il tandem percorre) come elemento distintivo ricorrente.
   ============================================================ */

:root {
  --verde: #00a659;
  --verde-scuro: #0e3b26;
  --arancio: #f17e00;
  --arancio-scuro: #c46200;
  --panna: #faf6ee;
  --bianco: #ffffff;
  --inchiostro: #162920;
  --grigio: #5c6d63;
  --linea: #e6ddc9;
  --ombra: 0 12px 32px -16px rgba(14, 59, 38, 0.28);

  --display: "Space Grotesk", "Arial Narrow", sans-serif;
  --corpo: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --dati: "IBM Plex Mono", ui-monospace, Menlo, monospace;

  --largo: 1200px;
}

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

body {
  margin: 0;
  font-family: var(--corpo);
  color: var(--inchiostro);
  background: var(--panna);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }

h1, h2, h3, h4 {
  font-family: var(--display);
  font-weight: 700;
  line-height: 1.08;
  margin: 0 0 0.5em;
  letter-spacing: -0.01em;
}

h1 { font-size: clamp(2.4rem, 5vw, 4rem); }
h2 { font-size: clamp(1.8rem, 3.4vw, 2.6rem); }
h3 { font-size: clamp(1.2rem, 2vw, 1.5rem); }

p { margin: 0 0 1em; }

.container {
  max-width: var(--largo);
  margin: 0 auto;
  padding: 0 24px;
}

.eyebrow {
  font-family: var(--dati);
  text-transform: uppercase;
  letter-spacing: 0.14em;
  font-size: 0.78rem;
  color: var(--arancio-scuro);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
}
.eyebrow::before {
  content: "";
  width: 22px;
  height: 2px;
  background: var(--arancio);
  display: inline-block;
}

/* -------------------- Bottoni -------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 26px;
  border-radius: 999px;
  font-family: var(--corpo);
  font-weight: 600;
  font-size: 0.98rem;
  text-decoration: none;
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}
.btn-primary {
  background: var(--verde);
  color: var(--bianco);
  box-shadow: 0 10px 24px -10px rgba(0, 166, 89, 0.55);
}
.btn-primary:hover { background: #00934e; transform: translateY(-2px); }

.btn-arancio {
  background: var(--arancio);
  color: var(--bianco);
  box-shadow: 0 10px 24px -10px rgba(241, 126, 0, 0.55);
}
.btn-arancio:hover { background: var(--arancio-scuro); transform: translateY(-2px); }

.btn-ghost {
  background: transparent;
  border-color: var(--verde-scuro);
  color: var(--verde-scuro);
}
.btn-ghost:hover { background: var(--verde-scuro); color: var(--bianco); }

.btn-ghost-chiaro {
  background: transparent;
  border-color: rgba(255,255,255,0.6);
  color: var(--bianco);
}
.btn-ghost-chiaro:hover { background: rgba(255,255,255,0.15); border-color: var(--bianco); }

/* -------------------- Header -------------------- */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(250, 246, 238, 0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--linea);
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}
.brand img { height: 34px; width: auto; }

.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.nav-links a {
  text-decoration: none;
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--verde-scuro);
  padding: 10px 16px;
  border-radius: 999px;
  transition: background 0.15s ease, color 0.15s ease;
}
.nav-links a:hover { background: rgba(0, 166, 89, 0.1); }
.nav-links a.active { background: var(--verde-scuro); color: var(--bianco); }

.nav-cta { display: none; }
@media (min-width: 900px) { .nav-cta { display: inline-flex; } }

.nav-toggle {
  display: inline-flex;
  background: none;
  border: 2px solid var(--verde-scuro);
  border-radius: 10px;
  width: 44px;
  height: 40px;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}
@media (min-width: 900px) { .nav-toggle { display: none; } }

.nav-toggle svg { width: 20px; height: 20px; }

.nav-links { display: none; }
@media (min-width: 900px) { .nav-links { display: flex; } }

.nav-links.open {
  display: flex;
  position: absolute;
  top: 78px;
  left: 0;
  right: 0;
  background: var(--panna);
  flex-direction: column;
  padding: 12px 24px 24px;
  border-bottom: 1px solid var(--linea);
  gap: 2px;
}
@media (min-width: 900px) { .nav-links.open { position: static; padding: 0; border: none; flex-direction: row; } }

/* -------------------- Hero -------------------- */
.hero {
  position: relative;
  padding: 72px 0 96px;
  overflow: hidden;
  background: linear-gradient(180deg, #fff 0%, var(--panna) 100%);
}
.hero-grid {
  display: grid;
  gap: 48px;
  align-items: center;
}
@media (min-width: 960px) {
  .hero-grid { grid-template-columns: 1.1fr 0.9fr; }
}
.hero h1 { color: var(--verde-scuro); }
.hero h1 .accent { color: var(--arancio); }
.hero-lead { font-size: 1.15rem; color: var(--grigio); max-width: 46ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-top: 28px; }

.hero-visual {
  position: relative;
  border-radius: 28px;
  overflow: hidden;
  box-shadow: var(--ombra);
  aspect-ratio: 4 / 3.4;
}
.hero-visual img { width: 100%; height: 100%; object-fit: cover; }
.hero-visual.logo-mode {
  background: var(--bianco);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 64px;
}
.hero-visual.logo-mode img {
  width: 100%;
  height: auto;
  object-fit: contain;
}

.stat-row {
  display: flex;
  gap: 32px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--linea);
}
.stat b {
  font-family: var(--display);
  font-size: 2rem;
  color: var(--verde-scuro);
  display: block;
}
.stat span { font-size: 0.85rem; color: var(--grigio); }

/* -------------------- Percorso: motivo distintivo -------------------- */
.percorso {
  width: 100%;
  height: 64px;
  display: block;
  margin: 8px 0;
}
.percorso path {
  fill: none;
  stroke: var(--arancio);
  stroke-width: 3;
  stroke-linecap: round;
  stroke-dasharray: 1 14;
}
.percorso circle { fill: var(--verde); }

/* -------------------- Sezioni generiche -------------------- */
section { padding: 88px 0; }
.section-alt { background: var(--bianco); }
.section-head { max-width: 640px; margin-bottom: 48px; }
.section-head p { color: var(--grigio); font-size: 1.05rem; }
.section-foot { margin-top: 44px; }

/* -------------------- Cards -------------------- */
.grid-cards {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
}

.card {
  background: var(--bianco);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 1px 0 var(--linea), 0 18px 30px -24px rgba(14, 59, 38, 0.35);
  display: flex;
  flex-direction: column;
  transition: transform 0.18s ease, box-shadow 0.18s ease;
}
.card:hover { transform: translateY(-4px); box-shadow: 0 1px 0 var(--linea), var(--ombra); }
.card-photo { aspect-ratio: 4/3; overflow: hidden; background: var(--linea); }
.card-photo img { width: 100%; height: 100%; object-fit: cover; }
.card-photo.icon-mode { background: #fff; display: flex; align-items: center; justify-content: center; }
.card-photo.icon-mode img { width: 90%; height: 90%; object-fit: contain; }
.card-body { padding: 22px 22px 26px; display: flex; flex-direction: column; gap: 8px; flex: 1; }
.card-tag {
  font-family: var(--dati);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--verde);
  font-weight: 600;
}
.card h3 { margin-bottom: 2px; color: var(--verde-scuro); }
.card-desc { color: var(--grigio); font-size: 0.94rem; flex: 1; }
.card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 10px;
  font-family: var(--dati);
  font-size: 0.8rem;
  color: var(--verde-scuro);
  margin-top: 6px;
}
.badge {
  background: rgba(0, 166, 89, 0.1);
  border: 1px solid rgba(0, 166, 89, 0.25);
  padding: 4px 10px;
  border-radius: 999px;
  white-space: normal;
  line-height: 1.4;
}
.badge-arancio {
  background: rgba(241, 126, 0, 0.1);
  border: 1px solid rgba(241, 126, 0, 0.28);
  color: var(--arancio-scuro);
  white-space: normal;
}
.card-price {
  margin-top: 14px;
  padding-top: 14px;
  border-top: 1px dashed var(--linea);
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  font-family: var(--dati);
}
.card-price b { font-size: 1.3rem; color: var(--verde-scuro); font-family: var(--display); }
.card-price span { color: var(--grigio); font-size: 0.78rem; }

/* -------------------- Tabella oraria -------------------- */
.filtri-sedi {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 28px;
}
.filtro-btn {
  font-family: var(--dati);
  font-size: 0.82rem;
  padding: 9px 16px;
  border-radius: 999px;
  border: 1.5px solid var(--linea);
  background: var(--bianco);
  color: var(--verde-scuro);
  cursor: pointer;
  transition: all 0.15s ease;
}
.filtro-btn.active, .filtro-btn:hover {
  background: var(--verde-scuro);
  border-color: var(--verde-scuro);
  color: var(--bianco);
}

.giorno-block { margin-bottom: 40px; }
.giorno-titolo {
  font-family: var(--display);
  font-size: 1.3rem;
  color: var(--verde-scuro);
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.giorno-titolo::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--linea);
}

.tabella-orario { width: 100%; border-collapse: collapse; }
.tabella-orario td { padding: 0; }
.riga-corso {
  display: grid;
  grid-template-columns: 110px 1fr auto;
  gap: 16px;
  align-items: center;
  padding: 14px 16px;
  border-bottom: 1px solid var(--linea);
  background: var(--bianco);
}
.riga-corso:first-child { border-radius: 14px 14px 0 0; }
.riga-corso:last-child { border-radius: 0 0 14px 14px; border-bottom: none; }
.riga-orario { font-family: var(--dati); font-size: 0.86rem; color: var(--arancio-scuro); font-weight: 600; }
.riga-nome { font-weight: 600; color: var(--verde-scuro); }
.riga-nome small { display: block; font-weight: 400; color: var(--grigio); font-size: 0.82rem; margin-top: 2px; }
.riga-sede { font-size: 0.78rem; color: var(--grigio); text-align: right; white-space: nowrap; }

@media (max-width: 640px) {
  .riga-corso { grid-template-columns: 1fr; gap: 4px; }
  .riga-sede { text-align: left; }
}

/* -------------------- Iscrizioni: date -------------------- */
.date-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: repeat(auto-fit, minmax(230px, 1fr));
}
.date-card {
  background: var(--bianco);
  border-radius: 16px;
  padding: 20px;
  border-left: 4px solid var(--verde);
  box-shadow: 0 1px 0 var(--linea);
}
.date-card.arancio { border-left-color: var(--arancio); }
.date-card .giorno { font-family: var(--display); font-weight: 700; color: var(--verde-scuro); font-size: 1.05rem; }
.date-card .orario { font-family: var(--dati); color: var(--arancio-scuro); font-size: 0.9rem; margin-top: 4px; }
.date-card .sede { color: var(--grigio); font-size: 0.85rem; margin-top: 6px; }

/* -------------------- Download cards -------------------- */
.download-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
}
.download-card {
  background: var(--verde-scuro);
  color: var(--bianco);
  border-radius: 22px;
  padding: 34px;
  position: relative;
  overflow: hidden;
}
.download-card.arancio-bg { background: var(--arancio); }
.download-card .num {
  font-family: var(--dati);
  font-size: 0.8rem;
  opacity: 0.75;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.download-card h3 { color: var(--bianco); margin-top: 8px; }
.download-card p { opacity: 0.88; }
.download-card .btn { margin-top: 18px; background: var(--bianco); color: var(--verde-scuro); }
.download-card .btn:hover { background: var(--panna); }

/* -------------------- Step list -------------------- */
.step-list { counter-reset: step; list-style: none; margin: 0; padding: 0; }
.step-list li {
  counter-increment: step;
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 18px;
  padding: 20px 0;
  border-bottom: 1px solid var(--linea);
}
.step-list li:last-child { border-bottom: none; }
.step-list li::before {
  content: counter(step);
  font-family: var(--display);
  font-weight: 700;
  color: var(--bianco);
  background: var(--verde);
  width: 44px;
  height: 44px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
}
.step-list h4 { margin: 4px 0 4px; color: var(--verde-scuro); }
.step-list p { margin: 0; color: var(--grigio); }

/* -------------------- Callout / avviso -------------------- */
.callout {
  background: rgba(241, 126, 0, 0.08);
  border: 1.5px solid rgba(241, 126, 0, 0.3);
  border-radius: 16px;
  padding: 20px 24px;
  display: flex;
  gap: 14px;
  align-items: flex-start;
}
.callout svg { flex-shrink: 0; width: 22px; height: 22px; color: var(--arancio-scuro); margin-top: 2px; }
.callout p { margin: 0; color: var(--verde-scuro); font-size: 0.95rem; }
.callout strong { color: var(--arancio-scuro); }

/* -------------------- Sedi -------------------- */
.sede-card {
  background: var(--bianco);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 1px 0 var(--linea), 0 18px 30px -24px rgba(14,59,38,.3);
}
.sede-card .foto { aspect-ratio: 16/10; overflow: hidden; }
.sede-card .foto img { width: 100%; height: 100%; object-fit: cover; }
.sede-card .info { padding: 20px 22px 24px; }
.sede-card h3 { color: var(--verde-scuro); margin-bottom: 6px; }
.sede-card .indirizzo { font-family: var(--dati); font-size: 0.85rem; color: var(--grigio); }

/* -------------------- Footer -------------------- */
.site-footer {
  background: var(--verde-scuro);
  color: rgba(255,255,255,0.85);
  padding: 64px 0 32px;
}
.footer-grid {
  display: grid;
  gap: 40px;
  grid-template-columns: 1.3fr 1fr 1fr;
}
@media (max-width: 760px) { .footer-grid { grid-template-columns: 1fr; } }
.footer-grid h4 { color: var(--bianco); font-size: 1rem; margin-bottom: 16px; }
.footer-grid a { text-decoration: none; color: rgba(255,255,255,0.8); }
.footer-grid a:hover { color: var(--arancio); }
.footer-brand img { height: 30px; margin-bottom: 14px; filter: brightness(0) invert(1); }
.footer-brand p { color: rgba(255,255,255,0.65); font-size: 0.9rem; max-width: 32ch; }
.footer-links { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; font-size: 0.94rem; }
.footer-bottom {
  margin-top: 48px;
  padding-top: 24px;
  border-top: 1px solid rgba(255,255,255,0.15);
  font-size: 0.8rem;
  color: rgba(255,255,255,0.55);
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-family: var(--dati);
}
.social-row { display: flex; gap: 12px; margin-top: 6px; }
.social-row a {
  width: 38px; height: 38px;
  border: 1.5px solid rgba(255,255,255,0.3);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: all 0.15s ease;
}
.social-row a:hover { background: var(--arancio); border-color: var(--arancio); }
.social-row svg { width: 18px; height: 18px; }

/* -------------------- Pagina interna: header semplice -------------------- */
.page-hero {
  padding: 56px 0 48px;
  background: var(--bianco);
  border-bottom: 1px solid var(--linea);
}
.breadcrumb {
  font-family: var(--dati);
  font-size: 0.8rem;
  color: var(--grigio);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--verde); text-decoration: none; }

/* -------------------- Utilità -------------------- */
.center { text-align: center; }
.mt-0 { margin-top: 0; }
.two-col {
  display: grid;
  gap: 56px;
  grid-template-columns: 1fr;
}
@media (min-width: 860px) { .two-col { grid-template-columns: 1fr 1fr; align-items: center; } }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin: 18px 0; }
.pill {
  font-family: var(--dati);
  font-size: 0.78rem;
  padding: 6px 14px;
  border-radius: 999px;
  background: rgba(0,166,89,0.08);
  color: var(--verde-scuro);
  border: 1px solid rgba(0,166,89,0.2);
}

.valori-grid { display: grid; gap: 20px; grid-template-columns: repeat(auto-fit, minmax(220px,1fr)); margin-top: 32px; }
.valore-item { background: var(--bianco); border-radius: 16px; padding: 24px; box-shadow: 0 1px 0 var(--linea); }
.valore-item svg { width: 28px; height: 28px; color: var(--verde); margin-bottom: 12px; }
.valore-item h4 { color: var(--verde-scuro); margin-bottom: 6px; font-size: 1.05rem; }
.valore-item p { color: var(--grigio); font-size: 0.9rem; margin: 0; }

.timeline-storia { position: relative; padding-left: 28px; border-left: 2px dashed var(--linea); margin-top: 8px; }
.timeline-storia .anno {
  position: relative;
  padding-bottom: 36px;
}
.timeline-storia .anno:last-child { padding-bottom: 0; }
.timeline-storia .anno::before {
  content: "";
  position: absolute;
  left: -34px;
  top: 4px;
  width: 12px; height: 12px;
  border-radius: 50%;
  background: var(--arancio);
  border: 3px solid var(--panna);
}
.timeline-storia b { font-family: var(--dati); color: var(--arancio-scuro); display: block; font-size: 0.9rem; margin-bottom: 4px;}

/* -------------------- Staff -------------------- */
.staff-grid {
  display: grid;
  gap: 24px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.staff-card {
  background: var(--bianco);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 1px 0 var(--linea), 0 18px 30px -24px rgba(14, 59, 38, 0.35);
}
.staff-photo { aspect-ratio: 3/4; overflow: hidden; background: var(--linea); }
.staff-photo img { width: 100%; height: 100%; object-fit: cover; }
.staff-body { padding: 20px 22px 26px; }
.staff-body h3 { color: var(--verde-scuro); margin-bottom: 8px; font-size: 1.2rem; }
.staff-body p { color: var(--grigio); font-size: 0.92rem; margin: 0; }

@media (max-width: 640px) {
  section { padding: 60px 0; }
  .footer-bottom { flex-direction: column; }
}