/* ===========================
   Trip Wallet — Landing Page
   Design System: Ocean Blue, Lexend + Noto Sans KR
   =========================== */

/* --- Navigation Glassmorphism --- */
.nav-bar {
  background: rgba(240, 249, 255, 0.9);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(3, 105, 161, 0.08);
}

/* --- Text Gradient --- */
.text-gradient {
  background: linear-gradient(135deg, #0369A1, #1D4ED8);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* --- Phone Mockup --- */
.phone-frame {
  position: relative;
  width: 280px;
  border-radius: 36px;
  padding: 12px;
  background: #ffffff;
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.12), 0 0 0 1px rgba(0, 0, 0, 0.04);
  overflow: hidden;
  flex-shrink: 0;
}

.phone-frame::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 120px;
  height: 24px;
  background: #ffffff;
  border-radius: 0 0 16px 16px;
  z-index: 2;
}

.phone-screen {
  border-radius: 24px;
  width: 100%;
  display: block;
}

/* --- CTA Card --- */
.cta-card {
  background: linear-gradient(135deg, #0369A1, #075985);
  box-shadow: 0 8px 30px rgba(3, 105, 161, 0.3);
}

/* --- Bento Card Hover --- */
.bento-card {
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.bento-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

/* --- Store Buttons --- */
.store-btn {
  transition: all 0.2s ease;
}

.store-btn:hover {
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
}

/* --- Scroll Animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 { transition-delay: 0.1s; }
.delay-2 { transition-delay: 0.2s; }
.delay-3 { transition-delay: 0.3s; }

/* ===========================
   Scroll Snap — How It Works
   =========================== */
.snap-container {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
  padding: 8px 0 24px;
  scrollbar-width: none;          /* Firefox */
}

.snap-container::-webkit-scrollbar {
  display: none;                  /* Chrome/Safari */
}

.snap-card {
  scroll-snap-align: center;
  flex: 0 0 300px;
  background: #ffffff;
  border-radius: 24px;
  padding: 32px 24px;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.06);
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 24px;
  transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.snap-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.1);
}

.snap-card:first-child {
  margin-left: auto;
}

.snap-card:last-child {
  margin-right: auto;
}

.snap-card .phone-frame {
  width: 200px;
}

.snap-card-body {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.step-badge {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: linear-gradient(135deg, #0369A1, #075985);
  color: #ffffff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Lexend', sans-serif;
  font-weight: 700;
  font-size: 1.1rem;
  margin-bottom: 12px;
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .phone-frame {
    width: 240px;
  }

  .snap-card {
    flex: 0 0 260px;
    padding: 24px 20px;
  }

  .snap-card .phone-frame {
    width: 180px;
  }
}

@media (max-width: 480px) {
  .phone-frame {
    width: 220px;
  }

  .snap-card {
    flex: 0 0 240px;
    padding: 20px 16px;
    gap: 16px;
  }

  .snap-card .phone-frame {
    width: 160px;
  }
}

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