/* ===== Base Layout ===== */

.intro-page {
  max-width: 1100px;
  margin: 0 auto;
  padding: 2rem 1.2rem;
}

.intro-section {
  margin-top: 2rem;
  padding: 2rem;
  border-radius: 22px;
  background: #ffffff;
  box-shadow: 0 10px 28px rgba(15, 23, 42, 0.08);
}

.intro-section h2 {
  margin-bottom: 1rem;
  text-align: center;
  font-size: clamp(1.6rem, 3vw, 2.3rem);
  color: #0f172a;
}

.intro-section p {
  max-width: 720px;
  margin: 0 auto 1rem;
  text-align: center;
  color: #475569;
  line-height: 1.6;
}

/* ===== HERO ===== */

.intro-hero {
  text-align: center;
  padding: 3rem 1.5rem;
  border-radius: 28px;
  background:
    radial-gradient(circle at top left, rgba(59,130,246,0.25), transparent 35%),
    linear-gradient(135deg, #0f172a, #1e3a8a);
  color: white;
  box-shadow: 0 20px 50px rgba(15, 23, 42, .25);
}

.hero-kicker {
  display: inline-block;
  margin-bottom: 1rem;
  padding: .45rem .9rem;
  border-radius: 999px;
  background: rgba(255,255,255,.15);
  font-weight: 700;
  font-size: .9rem;
}

.intro-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  margin-bottom: 1rem;
}

.intro-lead {
  max-width: 720px;
  margin: 0 auto 1.5rem;
  color: #dbeafe;
}

.intro-hero-list {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: .6rem;
  margin-bottom: 1.5rem;
}

.intro-hero-list span {
  padding: .5rem .9rem;
  border-radius: 999px;
  background: rgba(255,255,255,0.12);
  font-weight: 600;
}

.intro-cta {
  display: inline-block;
  padding: .9rem 1.4rem;
  border-radius: 999px;
  background: linear-gradient(135deg, #facc15, #fb923c);
  color: #111827;
  font-weight: 900;
  text-decoration: none;
  box-shadow: 0 10px 24px rgba(251,146,60,.35);
  transition: 0.15s ease;
}

.intro-cta:hover {
  transform: translateY(-2px);
}

/* ===== GRID SYSTEM ===== */

.intro-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.intro-grid.three {
  grid-template-columns: repeat(3, 1fr);
}

.intro-grid.four {
  grid-template-columns: repeat(4, 1fr);
}

.intro-grid article {
  padding: 1.3rem;
  border-radius: 18px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
  transition: 0.15s ease;
}

.intro-grid article:hover {
  transform: translateY(-3px);
  box-shadow: 0 10px 20px rgba(15, 23, 42, .08);
}

.intro-grid h3 {
  margin-bottom: .4rem;
  color: #0f172a;
}

.intro-grid p {
  margin: 0;
  text-align: left;
  font-size: .95rem;
}

/* ===== PREP LIST ===== */

.intro-prep ul {
  max-width: 600px;
  margin: 1rem auto 0;
  padding: 0;
  list-style: none;
}

.intro-prep li {
  padding: .7rem;
  margin-bottom: .6rem;
  border-radius: 12px;
  background: #f8fafc;
  border-left: 4px solid #2563eb;
}

/* ===== CALENDAR ===== */

.booking-calendar-section {
  text-align: center;
}

.calendar-box {
  margin-top: 1rem;
  padding: 1rem;
  border-radius: 16px;
  background: #f8fafc;
  border: 1px solid #e2e8f0;
}

.calendar-legend {
  margin-top: 1rem;
  display: flex;
  justify-content: center;
  gap: 1rem;
  align-items: center;
}

.swatch {
  display: inline-block;
  width: 14px;
  height: 14px;
  border-radius: 4px;
}

.swatch.available { background: #16a34a; }
.swatch.booked { background: #ef4444; }

/* ===== VIDEO ===== */

.video-wrapper {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: 16px;
}

.video-wrapper iframe {
  position: absolute;
  width: 100%;
  height: 100%;
}

/* ===== FAQ ===== */

.faq-list {
  max-width: 700px;
  margin: 0 auto;
}

.faq-item {
  margin-bottom: 10px;
}

.faq-question {
  width: 100%;
  padding: 12px 16px;
  border-radius: 10px;
  border: none;
  background: #f1f5f9;
  cursor: pointer;
  font-weight: 600;
}

.faq-answer {
  padding: 12px;
  background: #ffffff;
  border-radius: 10px;
  margin-top: 4px;
  border: 1px solid #e2e8f0;
}

/* ===== POLICY TEXT ===== */

.intro-policy-note {
  margin-top: 1rem;
  font-size: .9rem;
  color: #64748b;
}

.intro-policy-note a {
  color: #2563eb;
  font-weight: 600;
}

/* ===== DARK MODE ===== */

html.dark-mode .intro-section {
  background: #0f172a;
  border: 1px solid #1e293b;
}

html.dark-mode .intro-section h2 {
  color: #e5e7eb;
}

html.dark-mode .intro-section p {
  color: #94a3b8;
}

html.dark-mode .intro-grid article,
html.dark-mode .intro-prep li,
html.dark-mode .calendar-box,
html.dark-mode .faq-answer {
  background: #111c31;
  border-color: #1e293b;
  color: #cbd5e1;
}

html.dark-mode .faq-question {
  background: #111c31;
  color: #e5e7eb;
}

/* ===== RESPONSIVE ===== */

@media (max-width: 900px) {
  .intro-grid.three,
  .intro-grid.four {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 600px) {
  .intro-page {
    padding: 1rem;
  }

  .intro-section {
    padding: 1.5rem;
  }

  .intro-hero h1 {
    font-size: 2.2rem;
  }
}

.fc-event.slot-available {
  cursor: pointer !important;
  background: #16a34a !important;
  border-color: #16a34a !important;
}

.fc-event.slot-available:hover {
  filter: brightness(1.08);
  transform: translateY(-1px);
}

.fc-event.slot-booked {
  cursor: not-allowed !important;
  background: #ef4444 !important;
  border-color: #ef4444 !important;
  opacity: 0.75;
}