/* Base & Utilities */
html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

::selection {
  background-color: #7B2D3B;
  color: #fdf8f6;
}

/* Navbar */
.nav-fixed {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 50;
}

.nav-scrolled {
  box-shadow: 0 1px 20px rgba(123, 45, 59, 0.08);
}

/* Mobile Menu */
.mobile-menu {
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
  opacity: 0;
}

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

.menu-line {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-toggle.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(3px, 3px);
}

.menu-toggle.active .menu-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}

.menu-toggle.active .menu-line:nth-child(3) {
  width: 24px;
  transform: rotate(-45deg) translate(3px, -3px);
}

/* Service Cards */
.service-card {
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(123, 45, 59, 0.1);
}

/* Scroll Reveal (progressive enhancement) */
@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
    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; }
}

/* Focus styles */
a:focus-visible,
button:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 2px solid #7B2D3B;
  outline-offset: 2px;
}

/* Form inputs */
input::placeholder,
textarea::placeholder {
  color: rgba(123, 45, 59, 0.2);
}

/* Smooth image loading */
img {
  opacity: 1;
  transition: opacity 0.3s ease;
}

img[data-src] {
  opacity: 0;
}