/* ========== BASE & RESET ========== */
*, *::before, *::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  overflow-x: hidden;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
}

/* ========== NAV SCROLL STATE ========== */
#site-header {
  transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#site-header.scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

#site-header.scrolled .font-display {
  color: #2D2D2D !important;
}

#site-header.scrolled .nav-link {
  color: #4A4A4A !important;
}

#site-header.scrolled .nav-link:hover {
  color: #E86A50 !important;
  background-color: rgba(232, 106, 80, 0.08) !important;
}

/* ========== MOBILE MENU ANIMATION ========== */
#mobile-menu {
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
  opacity: 1;
}

#mobile-menu.closed {
  max-height: 0 !important;
  opacity: 0;
}

#mobile-menu.open {
  max-height: 400px !important;
  opacity: 1;
}

/* ========== SCROLL REVEAL ANIMATIONS ========== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ========== PRODUCT CARD STAGGER ========== */
.product-card {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1), transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ========== CUSTOM SELECTION ========== */
::selection {
  background-color: rgba(232, 106, 80, 0.2);
  color: #2D2D2D;
}

/* ========== FOCUS STYLES ========== */
:focus-visible {
  outline: 2px solid #E86A50;
  outline-offset: 2px;
}

/* ========== MOBILE NAV LINKS ========== */
.mobile-nav-link {
  display: block;
}

/* ========== SUBTLE PATTERN OVERLAY ========== */
.bg-pattern {
  background-image: radial-gradient(circle at 1px 1px, rgba(232, 106, 80, 0.06) 1px, transparent 0);
  background-size: 24px 24px;
}

/* ========== ACCESSIBILITY: REDUCED MOTION ========== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html {
    scroll-behavior: auto;
  }
  .reveal, .product-card {
    opacity: 1;
    transform: none;
  }
}