/* ============================================
   DUMPLING HOUSE — Custom Styles
   Charcoal + Coral · Clean Minimalist
   ============================================ */

/* --- Base & Reset --- */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(255, 107, 53, 0.2);
  color: #ffd4c5;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #1e1e27;
}
::-webkit-scrollbar-thumb {
  background: #353540;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #ff6b35;
}

/* --- Navigation --- */
#nav {
  background: transparent;
  transition: background 0.5s ease, box-shadow 0.5s ease;
}

#nav.scrolled {
  background: rgba(16, 16, 22, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255, 255, 255, 0.04);
}

/* --- Mobile Menu --- */
#mobileMenu.open {
  opacity: 1;
  pointer-events: all;
}

#mobileMenu.open #bar1 {
  transform: rotate(45deg) translate(4px, 4px);
}
#mobileMenu.open #bar2 {
  opacity: 0;
}
#mobileMenu.open #bar3 {
  transform: rotate(-45deg) translate(4px, -4px);
  width: 1.5rem;
}

.mobile-link {
  position: relative;
}

.mobile-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #ff6b35;
  transition: width 0.3s ease;
}

.mobile-link:hover::after {
  width: 100%;
}

/* --- Floating Cards --- */
@keyframes float-1 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-12px) rotate(0.5deg); }
}

@keyframes float-2 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-8px) rotate(-0.5deg); }
}

@keyframes float-3 {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(0.3deg); }
}

@keyframes float-4 {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
}

.floating-card {
  will-change: transform;
}

.card-1 { animation: float-1 6s ease-in-out infinite; }
.card-2 { animation: float-2 5s ease-in-out infinite 0.5s; }
.card-3 { animation: float-3 7s ease-in-out infinite 1s; }
.card-4 { animation: float-4 5.5s ease-in-out infinite 0.3s; }

/* --- Reveal Animations (progressive enhancement) --- */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal.revealed {
    opacity: 1;
    transform: translateY(0);
  }

  /* Stagger children */
  .reveal-stagger > * {
    opacity: 0;
    transform: translateY(20px);
    transition: opacity 0.6s cubic-bezier(0.16, 1, 0.3, 1),
                transform 0.6s cubic-bezier(0.16, 1, 0.3, 1);
  }

  .reveal-stagger.revealed > *:nth-child(1) { transition-delay: 0.05s; opacity: 1; transform: translateY(0); }
  .reveal-stagger.revealed > *:nth-child(2) { transition-delay: 0.1s; opacity: 1; transform: translateY(0); }
  .reveal-stagger.revealed > *:nth-child(3) { transition-delay: 0.15s; opacity: 1; transform: translateY(0); }
  .reveal-stagger.revealed > *:nth-child(4) { transition-delay: 0.2s; opacity: 1; transform: translateY(0); }
  .reveal-stagger.revealed > *:nth-child(5) { transition-delay: 0.25s; opacity: 1; transform: translateY(0); }
  .reveal-stagger.revealed > *:nth-child(6) { transition-delay: 0.3s; opacity: 1; transform: translateY(0); }
}

/* Fallback: always visible if JS disabled or reduced motion */
@media (prefers-reduced-motion: reduce) {
  .reveal,
  .reveal-stagger > * {
    opacity: 1;
    transform: none;
  }
}

/* --- Button Hover Effects --- */
a {
  text-decoration: none;
}

/* --- Image Hover --- */
.group img {
  transition: transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
}

/* --- Thin decorative line accent --- */
::before,
::after {
  border: none;
}

/* --- Focus styles --- */
a:focus-visible,
button:focus-visible {
  outline: 2px solid #ff6b35;
  outline-offset: 4px;
  border-radius: 4px;
}

/* --- Responsive adjustments --- */
@media (max-width: 767px) {
  .floating-card {
    display: none;
  }

  #hero {
    min-height: 100vh;
    min-height: 100dvh;
  }
}

/* --- Print --- */
@media print {
  #nav,
  .floating-card,
  .reveal {
    display: none;
  }

  body {
    background: white;
    color: #1e1e27;
  }
}