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

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

body {
  font-family: 'Inter', system-ui, sans-serif;
  background-color: #FDF8F0;
  color: #292524;
  line-height: 1.6;
  overflow-x: hidden;
}

::selection {
  background-color: rgba(5, 150, 105, 0.15);
  color: #064e3b;
}

/* === HERO GRADIENT === */
.hero-gradient {
  background: linear-gradient(135deg, #042f2e 0%, #065f46 30%, #047857 60%, #059669 100%);
}

/* === NAV === */
.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background-color: #059669;
  transition: width 0.3s ease;
}

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

/* === HEADER SCROLL === */
#site-header.scrolled {
  background-color: rgba(253, 248, 240, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.06);
}

#site-header.scrolled .nav-link {
  color: #44403c;
}

#site-header.scrolled .nav-link:hover {
  color: #059669;
}

#site-header.scrolled a:not(.nav-link):not(#menu-toggle) {
  color: #064e3b;
}

#site-header.scrolled svg.text-emerald-700 {
  color: #059669;
}

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

#mobile-menu.closed {
  opacity: 0;
  pointer-events: none;
}

.mobile-link {
  opacity: 1;
}

/* === SERVICE CARDS === */
.service-card {
  opacity: 1;
}

.service-card .bg-white {
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* === APPROACH CARDS === */
.approach-card {
  opacity: 1;
}

.approach-card:hover .border-emerald-600\/50 {
  border-color: rgba(110, 231, 183, 0.4);
  background-color: rgba(110, 231, 183, 0.05);
}

/* === SCROLL REVEAL === */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal[data-delay="100"] { transition-delay: 0.1s; }
.reveal[data-delay="200"] { transition-delay: 0.2s; }
.reveal[data-delay="300"] { transition-delay: 0.3s; }
.reveal[data-delay="400"] { transition-delay: 0.4s; }

/* === INPUT FOCUS === */
input:focus, textarea:focus {
  outline: none;
}

/* === PREFERS REDUCED MOTION === */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .service-card .bg-white,
  .approach-card:hover .border-emerald-600\/50 {
    transition: none;
  }

  .nav-link::after {
    transition: none;
  }

  .animate-bounce {
    animation: none;
  }
}