/* ═══════════════════════════════════════════
   PAGINA CORSI — usa i colori e i font di style.css
═══════════════════════════════════════════ */

/* Voce di menu della pagina corrente */
.nav-links a.current { color: var(--blue); }
.mobile-menu a.current { color: var(--blue); font-weight: 600; }

/* ─── Intro ─── */
.courses-hero { padding-bottom: 64px; }
.courses-hero h1 { font-size: clamp(2.2rem, 5.2vw, 3.6rem); }

/* ─── Schede dei corsi ─── */
.courses-section { max-width: 1000px; }

.course-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}

.course-card {
  display: flex; flex-direction: column;
  background: var(--surface);
  border: 1px solid var(--border);
  border-top: 3px solid var(--blue);
  border-radius: 16px;
  padding: 1.8rem 1.8rem 2rem;
  box-shadow: 0 2px 16px rgba(1,118,211,0.07);
  transition: transform 0.25s var(--ease), box-shadow 0.25s;
}
.course-card:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(1,118,211,0.12); }

.course-card-top {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 1.4rem;
}
.course-icon {
  width: 46px; height: 46px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.35rem;
  background: var(--blue-light); border: 1px solid var(--border-md);
}

.course-status {
  display: inline-flex; align-items: center; gap: 0.45rem;
  font-size: 0.72rem; font-weight: 600; letter-spacing: 0.02em;
  padding: 0.3rem 0.75rem; border-radius: 100px;
  color: #9a4b06; background: #fff4e0; border: 1px solid #f6d9a8;
}
.course-status-dot { width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.course-status.partial { color: var(--blue); background: var(--blue-light); border-color: var(--border-md); }
.course-status.live    { color: #1a7f4b; background: #e8f5ee; border-color: #b7e0c8; }

.course-tag {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--blue);
  margin-bottom: 0.5rem;
}
.course-title {
  font-size: 1.3rem; font-weight: 700; line-height: 1.3;
  letter-spacing: -0.02em; color: var(--text);
  margin-bottom: 0.8rem;
}
.course-desc {
  font-size: 0.9rem; color: var(--text-dim); line-height: 1.75;
  margin-bottom: 1.3rem;
}

.course-meta {
  list-style: none;
  display: flex; flex-wrap: wrap; gap: 0.45rem;
  margin-bottom: 1.6rem;
}
.course-meta li {
  font-size: 0.72rem; font-weight: 500; color: var(--text-dim);
  padding: 0.25rem 0.65rem; border-radius: 100px;
  background: var(--bg); border: 1px solid var(--border);
}
.course-meta li[hidden] { display: none; }

.course-btn { margin-top: auto; align-self: flex-start; }

/* ─── Dettaglio del corso ─── */
.course-detail .section-h { font-size: clamp(1.5rem, 3.4vw, 2.1rem); margin-bottom: 2rem; }
.course-external { margin-bottom: 2rem; }

/* Stato "in preparazione" */
.course-empty {
  text-align: center;
  padding: 2.8rem 1.5rem;
  border: 1.5px dashed var(--border-md);
  border-radius: 16px;
  background: var(--surface2);
}
.course-empty-icon { font-size: 2rem; margin-bottom: 0.8rem; }
.course-empty h3 { font-size: 1.05rem; font-weight: 700; color: var(--text); margin-bottom: 0.5rem; }
.course-empty p {
  font-size: 0.88rem; color: var(--text-dim); line-height: 1.75;
  max-width: 440px; margin: 0 auto 1.5rem;
}

/* Player */
.course-player {
  margin-bottom: 2rem;
  scroll-margin-top: calc(var(--nav-h) + 16px);
}
.player-frame {
  position: relative;
  aspect-ratio: 16 / 9;
  background: var(--text);
  border-radius: 14px;
  overflow: hidden;
  box-shadow: 0 8px 30px rgba(3,45,96,0.18);
}
.player-frame iframe,
.player-frame video {
  position: absolute; inset: 0;
  width: 100%; height: 100%;
  border: 0; display: block; background: #000;
}
.player-info { padding: 1rem 0.2rem 0; }
.player-module { font-size: 0.72rem; font-weight: 600; color: var(--blue); letter-spacing: 0.04em; margin-bottom: 0.2rem; }
.player-title { font-size: 1.1rem; font-weight: 700; color: var(--text); letter-spacing: -0.01em; }

/* Moduli */
.module-list { display: flex; flex-direction: column; gap: 0.75rem; }

.module {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
}
.module[open] { box-shadow: 0 2px 14px rgba(1,118,211,0.06); }

.module-head {
  display: grid;
  grid-template-columns: auto 1fr auto auto;
  align-items: center; gap: 0.9rem;
  padding: 1rem 1.3rem;
  cursor: pointer; list-style: none;
  transition: background 0.2s;
}
.module-head::-webkit-details-marker { display: none; }
.module-head::after {
  content: '';
  width: 8px; height: 8px;
  border-right: 2px solid var(--text-faint); border-bottom: 2px solid var(--text-faint);
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.2s;
}
.module[open] .module-head::after { transform: rotate(-135deg) translateY(-2px); }
.module-head:hover { background: var(--blue-tint); }

.module-label {
  font-size: 0.68rem; font-weight: 700; letter-spacing: 0.08em; text-transform: uppercase;
  color: var(--blue); background: var(--blue-light);
  padding: 0.2rem 0.6rem; border-radius: 100px; white-space: nowrap;
}
.module-title { font-size: 0.95rem; font-weight: 700; color: var(--text); letter-spacing: -0.01em; }
.module-count { font-size: 0.75rem; color: var(--text-faint); white-space: nowrap; }

/* Lezioni */
.lesson-list { list-style: none; border-top: 1px solid var(--border); }
.lesson-list li + li { border-top: 1px solid var(--border); }

.lesson {
  width: 100%;
  display: grid; grid-template-columns: 2.2rem 1fr auto;
  align-items: center; gap: 0.8rem;
  padding: 0.85rem 1.3rem;
  background: none; border: 0; text-align: left;
  font-family: var(--font-sans); cursor: pointer;
  transition: background 0.15s;
}
.lesson:hover { background: var(--blue-tint); }
.lesson:focus-visible { outline: 2px solid var(--blue); outline-offset: -2px; }
.lesson-num { font-size: 0.72rem; font-weight: 600; color: var(--text-faint); }
.lesson-title { font-size: 0.88rem; font-weight: 500; color: var(--text); line-height: 1.45; }
.lesson-duration { font-size: 0.75rem; color: var(--text-dim); font-variant-numeric: tabular-nums; }

.lesson.is-active { background: var(--blue-light); box-shadow: inset 3px 0 0 var(--blue); }
.lesson.is-active .lesson-title { color: var(--blue); font-weight: 600; }
.lesson.is-active .lesson-num { color: var(--blue); }

.lesson.is-soon { cursor: default; }
.lesson.is-soon:hover { background: none; }
.lesson.is-soon .lesson-title { color: var(--text-dim); }
.lesson-soon {
  font-size: 0.66rem; font-weight: 600; color: #9a4b06;
  background: #fff4e0; border: 1px solid #f6d9a8;
  padding: 0.12rem 0.5rem; border-radius: 100px; white-space: nowrap;
}

/* ─── Responsive ─── */
@media (max-width: 720px) {
  .course-grid { grid-template-columns: 1fr; }
  .course-card { padding: 1.5rem 1.4rem 1.7rem; }
  .course-btn { align-self: stretch; justify-content: center; }
  .module-head { grid-template-columns: 1fr auto; gap: 0.35rem 0.8rem; padding: 0.95rem 1.1rem; }
  .module-label { justify-self: start; grid-column: 1; }
  .module-title { grid-column: 1; }
  .module-count { grid-column: 1; }
  .module-head::after { grid-column: 2; grid-row: 1 / span 3; }
  .lesson { padding: 0.8rem 1.1rem; grid-template-columns: 1.9rem 1fr auto; }
}