/* ======================================
   台北新東扶輪社 — Custom Styles
   Complements Tailwind CSS CDN
   ====================================== */

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}

/* Scroll reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero gradient overlay */
.hero-overlay {
  background: linear-gradient(
    135deg,
    rgba(0, 51, 102, 0.85) 0%,
    rgba(0, 80, 162, 0.7) 50%,
    rgba(0, 151, 214, 0.6) 100%
  );
}

/* Navigation */
.nav-link {
  position: relative;
  padding-bottom: 2px;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: #F7A81B;
  transition: width 0.3s ease;
}
.nav-link:hover::after {
  width: 100%;
}

/* Navbar scroll state */
.navbar-scrolled {
  background: rgba(0, 51, 102, 0.98) !important;
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
}

/* Card hover effects */
.service-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 12px 40px rgba(0, 51, 102, 0.12);
}

/* Value card */
.value-card {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.value-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 30px rgba(0, 51, 102, 0.1);
}

/* Stat counter */
.stat-number {
  font-family: 'Open Sans Condensed', sans-serif;
  font-weight: 700;
}

/* Google Calendar responsive */
.calendar-container {
  position: relative;
  width: 100%;
  padding-bottom: 75%;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}
.calendar-container iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: 0;
}

@media (max-width: 768px) {
  .calendar-container {
    padding-bottom: 100%;
  }
}

/* Mobile menu animation */
.mobile-menu {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}
.mobile-menu.open {
  max-height: 400px;
}

/* Join steps */
.step-line {
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, #0097D6, #F7A81B);
  z-index: 0;
}

/* News card */
.news-card {
  transition: transform 0.3s ease;
}
.news-card:hover {
  transform: translateY(-3px);
}

/* Footer links */
.footer-link {
  transition: color 0.2s ease;
}
.footer-link:hover {
  color: #F7A81B;
}

/* Language switcher */
.lang-btn {
  transition: all 0.2s ease;
}
.lang-btn:hover, .lang-btn.active {
  background: #F7A81B;
  color: #003366;
}

/* Four-Way Test card */
.test-card {
  background: linear-gradient(135deg, #f8faff 0%, #e8f4fd 100%);
  border-left: 4px solid #F7A81B;
}

/* CTA button */
.btn-primary {
  background: #F7A81B;
  color: #003366;
  font-weight: 600;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  transition: all 0.3s ease;
  display: inline-block;
}
.btn-primary:hover {
  background: #e6960f;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(247, 168, 27, 0.3);
}

.btn-outline {
  border: 2px solid #fff;
  color: #fff;
  font-weight: 600;
  padding: 0.75rem 2rem;
  border-radius: 9999px;
  transition: all 0.3s ease;
  display: inline-block;
}
.btn-outline:hover {
  background: #fff;
  color: #003366;
}

/* Section divider */
.section-divider {
  width: 60px;
  height: 3px;
  background: linear-gradient(90deg, #F7A81B, #0097D6);
  margin: 0 auto;
  border-radius: 2px;
}