@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@300;400;500;600;700;800&display=swap');

body {
  font-family: 'Plus Jakarta Sans', 'Noto Sans TC', sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  display: inline-block;
  line-height: 1;
  text-transform: none;
  letter-spacing: normal;
  word-wrap: normal;
  white-space: nowrap;
  direction: ltr;
  overflow: hidden;
  width: 1em;
  height: 1em;
  vertical-align: middle;
}

/* Reveal animation */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

/* Card hover */
.card-hover {
  transition: transform 0.5s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.card-hover:hover {
  transform: translateY(-8px);
  box-shadow: 0 25px 50px -12px rgba(120, 89, 0, 0.15);
}

/* Glassmorphism nav */
.glass-nav {
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
}

/* Accordion content */
.accordion-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease, padding 0.3s ease;
  opacity: 0;
}
.accordion-content.expanded {
  opacity: 1;
  overflow: auto;
}

/* Accordion icon rotation */
.accordion-icon {
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.accordion-icon.rotated {
  transform: rotate(180deg);
}

/* Mobile menu */
.mobile-menu-overlay {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s ease;
}
.mobile-menu-overlay.open {
  opacity: 1;
  pointer-events: auto;
}
.mobile-menu-panel {
  transform: translateX(100%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.mobile-menu-panel.open {
  transform: translateX(0);
}

/* Tab component */
.tab-btn.active {
  color: #785900;
  border-bottom-color: #785900;
}
.tab-panel {
  display: none;
}
.tab-panel.active {
  display: block;
}

/* Fade in up keyframes */
@keyframes fadeInUp {
  0% { opacity: 0; transform: translateY(30px); }
  100% { opacity: 1; transform: translateY(0); }
}
.animate-fade-in-up {
  animation: fadeInUp 0.8s ease-out forwards;
}

/* Scale on click */
.scale-on-click:active {
  transform: scale(0.98);
}

/* Case card */
.case-card {
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}
.case-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 40px -12px rgba(120, 89, 0, 0.12);
}
.case-card.hidden-by-filter {
  display: none;
}

/* Google form responsive */
.google-form-wrapper iframe {
  width: 100%;
  border: none;
  border-radius: 1rem;
}

/* Scrollbar */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #fff8f6;
}
::-webkit-scrollbar-thumb {
  background: #d4c5ab;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #827660;
}

/* Selection */
::selection {
  background-color: #FFC107;
  color: #6d5100;
}