/* ===== BASE ===== */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { margin: 0; }

/* ===== HEADER ===== */
#site-header {
  background: transparent;
  transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}
#site-header.scrolled {
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(12, 45, 107, 0.08);
}

/* ===== NAV LINKS ===== */
.nav-link {
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #14b8a6;
  transition: width 0.25s ease;
  border-radius: 1px;
}
.nav-link:hover::after { width: 100%; }

/* ===== MOBILE LINKS ===== */
.mobile-link {
  position: relative;
  display: block;
  padding: 0.5rem 0;
  border-bottom: 1px solid rgba(12, 45, 107, 0.06);
}
.mobile-link:last-child { border-bottom: none; }

/* ===== BUTTONS ===== */
.btn-mint {
  background: linear-gradient(135deg, #14b8a6 0%, #0d9488 100%);
  color: #fff;
  border: none;
  border-radius: 9999px;
  padding: 0.75rem 2rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-mint:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(20, 184, 166, 0.35);
  background: linear-gradient(135deg, #2ed8b8 0%, #14b8a6 100%);
}
.btn-mint:active { transform: translateY(0); }

.btn-outline {
  background: transparent;
  color: #0c2d6b;
  border: 2px solid rgba(12, 45, 107, 0.2);
  border-radius: 9999px;
  padding: 0.65rem 1.75rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}
.btn-outline:hover {
  border-color: #0c2d6b;
  background: rgba(12, 45, 107, 0.04);
}

/* ===== INPUTS ===== */
.input-field {
  border: 1.5px solid rgba(12, 45, 107, 0.12);
  border-radius: 12px;
  padding: 0.75rem 1rem;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.95rem;
  color: #0c2d6b;
  background: #fff;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  outline: none;
  width: 100%;
}
.input-field::placeholder { color: #9db7db; }
.input-field:focus {
  border-color: #14b8a6;
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.12);
}

/* ===== CARD HOVER ===== */
.card-hover {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 40px rgba(12, 45, 107, 0.1);
}

/* ===== REVEAL ANIMATIONS ===== */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 1;
  transform: none;
  transition: opacity 0.7s ease, transform 0.7s ease;
}
.reveal-left { transform: translateX(0); }
.reveal-right { transform: translateX(0); }

@media (prefers-reduced-motion: no-preference) {
  .reveal-up { opacity: 0; transform: translateY(30px); }
  .reveal-left { opacity: 0; transform: translateX(-30px); }
  .reveal-right { opacity: 0; transform: translateX(30px); }
  .reveal-up.visible, .reveal-left.visible, .reveal-right.visible {
    opacity: 1;
    transform: none;
  }
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
  h1.font-serif { font-size: 3rem !important; }
  h2.font-serif { font-size: 2.25rem !important; }
}