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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  overflow-x: hidden;
}

/* ===== Navigation ===== */
#navbar {
  transition: background-color 0.4s ease, box-shadow 0.4s ease, padding 0.4s ease;
}

#navbar.scrolled {
  background-color: rgba(253, 252, 247, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(6, 94, 59, 0.08);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #059669, #10b981);
  border-radius: 1px;
  transition: width 0.3s ease, left 0.3s ease;
}

.nav-link:hover::after {
  width: 60%;
  left: 20%;
}

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

.mobile-link {
  position: relative;
}

.mobile-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: #059669;
  transition: width 0.3s ease;
}

.mobile-link:hover::after,
.mobile-link:active::after {
  width: 80%;
}

/* ===== Product Cards ===== */
.product-card {
  position: relative;
}

/* ===== Service Cards ===== */
.service-card {
  transform: translateY(0);
}

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

/* ===== Scroll Reveal Animations ===== */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  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);
}

.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; }

/* ===== Hero Text Animation ===== */
.hero-reveal {
  opacity: 0;
  transform: translateY(30px);
  animation: heroReveal 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

.hero-reveal-delay-1 { animation-delay: 0.2s; }
.hero-reveal-delay-2 { animation-delay: 0.4s; }
.hero-reveal-delay-3 { animation-delay: 0.6s; }

@keyframes heroReveal {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Floating Animation ===== */
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}

/* ===== Back to Top ===== */
#backToTop.visible {
  opacity: 1;
  pointer-events: all;
}

/* ===== Responsive ===== */
@media (max-width: 767px) {
  .font-display {
    font-family: 'Playfair Display', Georgia, serif;
  }
}

/* ===== Selection ===== */
::selection {
  background: #10b981;
  color: #064e3b;
}

/* ===== Focus ===== */
a:focus-visible,
button:focus-visible {
  outline: 2px solid #10b981;
  outline-offset: 2px;
  border-radius: 4px;
}

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