/* ========================================
   KBF 2026 – Custom CSS
   ======================================== */

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 56px;
}

/* ─── Navigation Links ─── */
.nav-link {
  @apply text-white/60 hover:text-kbf-orange transition-colors duration-200 relative py-1;
}
.nav-link::after {
  content: '';
  @apply absolute bottom-0 left-0 w-0 h-0.5 bg-kbf-orange transition-all duration-300 rounded-full;
}
.nav-link:hover::after {
  @apply w-full;
}

.mobile-nav-link {
  @apply block py-3 px-2 text-white/70 hover:text-kbf-orange border-b border-white/5 transition-colors;
}

/* ─── Hero Info Badges ─── */
.info-badge {
  @apply flex items-center gap-2 bg-white/10 backdrop-blur-sm border border-white/20 rounded-full px-4 py-2 text-white/90 text-sm font-medium;
}

/* ─── CTA LINE Button ─── */
.cta-line-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: linear-gradient(135deg, #06C755 0%, #04a346 100%);
  color: #fff;
  border-radius: 9999px;
  padding: 1rem 2rem;
  font-weight: 700;
  box-shadow: 0 8px 32px rgba(6, 199, 85, 0.45);
  transition: transform 0.2s ease, box-shadow 0.2s ease;
  text-decoration: none;
}
.cta-line-btn:hover {
  transform: translateY(-3px) scale(1.02);
  box-shadow: 0 16px 48px rgba(6, 199, 85, 0.6);
}
.cta-line-btn:active {
  transform: translateY(0) scale(0.98);
}

/* ─── Section Common ─── */
.section-eyebrow {
  display: block;
  text-align: center;
  font-family: 'Oswald', sans-serif;
  font-size: 0.75rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: #FF6B1A;
  margin-bottom: 0.25rem;
}
.section-title {
  text-align: center;
  font-family: 'Oswald', sans-serif;
  font-size: clamp(1.75rem, 5vw, 2.75rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.2;
}

/* ─── Concept Section ─── */
.concept-text-box {
  @apply mt-8 bg-white/5 backdrop-blur-sm border border-white/10 rounded-2xl p-6 sm:p-10 text-left;
  background: linear-gradient(135deg, rgba(255,107,26,0.05) 0%, rgba(255,184,0,0.03) 100%);
  border: 1px solid rgba(255,107,26,0.2);
}

/* ─── Event Cards ─── */
.event-card {
  @apply flex items-start gap-4 bg-white/5 border border-white/10 rounded-2xl p-5 transition-all duration-300;
}
.event-card:hover {
  border-color: rgba(255, 107, 26, 0.4);
  background: rgba(255, 107, 26, 0.07);
  transform: translateY(-2px);
}
.event-card-icon {
  @apply flex-shrink-0 w-10 h-10 rounded-xl bg-kbf-orange/15 text-kbf-orange flex items-center justify-center;
}
.event-card-label {
  @apply text-white/50 text-xs font-medium tracking-wide mb-0.5;
}
.event-card-value {
  @apply text-white font-bold text-lg leading-tight;
}

/* ─── App Feature Cards ─── */
.app-feature-card {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 1rem;
  padding: 1.25rem;
  transition: all 0.3s ease;
}
.app-feature-card:hover {
  background: rgba(255,255,255,0.07);
  border-color: rgba(255,107,26,0.3);
  transform: translateX(4px);
}
.app-feature-icon {
  flex-shrink: 0;
  width: 3rem;
  height: 3rem;
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1px solid rgba(255,255,255,0.1);
}
.app-feature-title {
  font-weight: 700;
  color: #fff;
  font-size: 0.95rem;
  margin-bottom: 0.25rem;
}
.app-feature-desc {
  color: rgba(255,255,255,0.6);
  font-size: 0.8rem;
  line-height: 1.6;
}

/* ─── Map Placeholder ─── */
.map-placeholder-box {
  background: rgba(255,255,255,0.03);
  border: 2px dashed rgba(255,107,26,0.25);
  border-radius: 1rem;
  min-height: 280px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 2rem;
}
.map-point {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: rgba(255,255,255,0.65);
  font-size: 0.8rem;
}

/* ─── Coming Soon Stages ─── */
.coming-soon-stage {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.1);
  border-left: 3px solid var(--c);
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
  color: rgba(255,255,255,0.65);
  font-size: 0.8rem;
  text-align: left;
}

/* ─── FAQ Accordion ─── */
.faq-item {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 1rem;
  overflow: hidden;
  transition: border-color 0.3s ease;
}
.faq-item.open {
  border-color: rgba(255,107,26,0.4);
}
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  padding: 1.25rem 1.25rem;
  text-align: left;
  cursor: pointer;
  background: transparent;
  border: none;
  color: #fff;
  font-weight: 600;
  font-size: 0.95rem;
  gap: 1rem;
  transition: background 0.2s ease;
}
.faq-question:hover {
  background: rgba(255,107,26,0.08);
}
.faq-q-label {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  background: #FF6B1A;
  color: #fff;
  border-radius: 50%;
  font-size: 0.7rem;
  font-weight: 800;
  flex-shrink: 0;
  font-family: 'Oswald', sans-serif;
}
.faq-chevron {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  color: rgba(255,255,255,0.4);
  transition: transform 0.3s ease, color 0.3s ease;
}
.faq-item.open .faq-chevron {
  transform: rotate(180deg);
  color: #FF6B1A;
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}
.faq-answer.open {
  max-height: 500px;
}
.faq-answer-inner {
  padding: 0 1.25rem 1.25rem 1.25rem;
  color: rgba(255,255,255,0.65);
  font-size: 0.875rem;
  line-height: 1.75;
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 1rem;
}

/* ─── Sponsor Groups ─── */
.sponsor-group {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 1rem;
  padding: 1.5rem;
}
.sponsor-group-title {
  font-family: 'Oswald', sans-serif;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: #FF6B1A;
  margin-bottom: 0.75rem;
  padding-bottom: 0.5rem;
  border-bottom: 1px solid rgba(255,107,26,0.2);
}
.sponsor-list {
  list-style: none;
  padding: 0;
  margin: 0;
  space-y: 0.5rem;
}
.sponsor-list li {
  color: rgba(255,255,255,0.75);
  font-size: 0.875rem;
  padding: 0.25rem 0;
}

/* ─── Pickup Card ─── */
.pickup-card {
  background: linear-gradient(135deg, rgba(255,107,26,0.08) 0%, rgba(255,184,0,0.04) 100%);
  border: 1px solid rgba(255,107,26,0.25);
  border-radius: 1rem;
  padding: 1.5rem;
  transition: border-color 0.3s ease;
}
.pickup-card:hover {
  border-color: rgba(255,107,26,0.5);
}

/* ─── Contact Cards ─── */
.contact-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 1.25rem;
  padding: 2rem;
  text-align: center;
  transition: all 0.3s ease;
}
.contact-card:hover {
  border-color: rgba(255,107,26,0.4);
  transform: translateY(-4px);
}
.contact-icon {
  width: 3rem;
  height: 3rem;
  background: rgba(255,107,26,0.15);
  border-radius: 0.75rem;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #FF6B1A;
  margin: 0 auto 1rem;
}

/* ─── Particle animation ─── */
.particle {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
  animation: rise linear infinite;
  opacity: 0;
}
@keyframes rise {
  0%   { opacity: 0; transform: translateY(0) scale(0.5); }
  10%  { opacity: 0.7; }
  90%  { opacity: 0.3; }
  100% { opacity: 0; transform: translateY(-100vh) scale(1.5); }
}

/* ─── Scroll reveal ─── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ─── Responsive tweaks ─── */
@media (max-width: 640px) {
  .section-title { font-size: 1.75rem; }
  .cta-line-btn  { padding: 0.875rem 1.5rem; }
}