/* ============================================
   Hanceville Nutrition — Custom Styles
   ============================================ */

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

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

body {
  min-height: 100vh;
  overflow-x: hidden;
}

::selection {
  background-color: #0d9488;
  color: #f0fdfa;
}

/* --- Navigation --- */
.nav {
  transition: box-shadow 0.3s ease, background-color 0.3s ease;
}

.nav.scrolled {
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.08);
}

/* --- Hero --- */
.hero {
  position: relative;
}

.hero-bg {
  will-change: transform;
}

.hero-img {
  will-change: transform;
}

/* --- Buttons --- */
.btn-primary {
  position: relative;
  overflow: hidden;
}

.btn-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.2s ease;
}

.btn-primary:hover::after {
  opacity: 1;
}

/* --- Scroll Reveal --- */
.reveal {
  opacity: 1;
  transform: none;
  transition: opacity 0.6s ease, transform 0.6s ease;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
  }

  .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; }
}

/* --- Cards --- */
.card-product {
  perspective: 1000px;
}

/* --- Input Fields --- */
.input {
  display: block;
  width: 100%;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.9375rem;
  line-height: 1.5;
  color: #1e293b;
  background-color: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 0.75rem;
  padding: 0.75rem 1rem;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  appearance: none;
}

.input::placeholder {
  color: #94a3b8;
}

.input:focus {
  outline: none;
  border-color: #14b8a6;
  box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.15);
}

/* --- Mobile Menu --- */
.mobile-menu {
  animation: slideDown 0.25s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Utility --- */
.section {
  position: relative;
}

/* --- Scrollbar --- */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #94a3b8;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* --- Focus Visible --- */
:focus-visible {
  outline: 2px solid #0d9488;
  outline-offset: 2px;
}

/* --- Print --- */
@media print {
  .nav, .hero-scroll, .mobile-menu {
    display: none !important;
  }

  body {
    color: #000;
    background: #fff;
  }

  .hero {
    min-height: auto;
    padding: 2rem 0;
  }

  .hero-bg {
    position: static;
  }

  .hero-overlay {
    display: none;
  }

  a {
    color: #0d9488;
  }
}