/* ===== 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: #C4775B;
  color: #fff;
}

/* ===== Scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #FDF8F0;
}
::-webkit-scrollbar-thumb {
  background: #e6d6aa;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #C4775B;
}

/* ===== Navbar ===== */
#navbar {
  background: transparent;
}

#navbar.scrolled {
  background: rgba(253, 248, 240, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(0,0,0,0.05);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1.5px;
  background: #C4775B;
  transition: width 0.3s ease;
}

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

/* ===== Mobile Menu ===== */
.menu-line {
  display: block;
}

#mobileMenu.open {
  opacity: 1;
  pointer-events: all;
}

#mobileMenu.open .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}

#mobileMenu.open .menu-line:nth-child(2) {
  opacity: 0;
}

#mobileMenu.open .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
  width: 20px;
  margin-left: 0;
}

/* ===== Service Cards ===== */
.service-card {
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, #C4775B, #e08a60);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s ease;
}

.service-card:hover::before {
  transform: scaleX(1);
}

/* ===== Fade In Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s ease, transform 0.8s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

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

/* ===== Hero Text Animation ===== */
.hero-text {
  opacity: 0;
  transform: translateY(20px);
  animation: heroReveal 0.8s ease forwards;
}

.hero-text-1 { animation-delay: 0.2s; }
.hero-text-2 { animation-delay: 0.4s; }
.hero-text-3 { animation-delay: 0.6s; }
.hero-text-4 { animation-delay: 0.8s; }

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

/* ===== CTA Button Shimmer ===== */
@keyframes shimmer {
  0% { background-position: -200% center; }
  100% { background-position: 200% center; }
}

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .font-serif {
    line-height: 1.2;
  }
}