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

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

body {
  margin: 0;
  font-family: 'Inter', system-ui, sans-serif;
  overflow-x: hidden;
}

::selection {
  background: #b82833;
  color: #fff;
}

/* ========== NAVBAR ========== */
#navbar {
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}

#navbar.scrolled {
  background: rgba(254, 254, 248, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

/* ========== MOBILE MENU ========== */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}

.mobile-link {
  transition: color 0.2s ease;
}

/* ========== PRODUCT CARDS ========== */
.product-card {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}

.product-card:hover {
  transform: translateY(-4px);
}

/* ========== GEOMETRIC SHAPES ========== */
.geo-shape {
  position: absolute;
  pointer-events: none;
}

/* ========== SCROLL REVEAL (progressive enhancement) ========== */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }

  .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; }
}

/* ========== BUTTON HOVER EFFECTS ========== */
a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible {
  outline: 2px solid #b82833;
  outline-offset: 2px;
}

/* ========== CUSTOM SCROLLBAR ========== */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #fefef8;
}

::-webkit-scrollbar-thumb {
  background: #d44a57;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #9a1f2c;
}

/* ========== IMAGE PLACEHOLDERS ========== */
img {
  max-width: 100%;
  height: auto;
}

/* ========== FORM STYLES ========== */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}

/* ========== UTILITY ========== */
.text-gradient {
  background: linear-gradient(135deg, #b82833 0%, #ff5077 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}