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

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(27, 94, 32, 0.15);
  color: #1B5E20;
}

/* ========== SCROLL REVEAL ========== */
.scroll-trigger {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

.scroll-trigger.revealed {
  opacity: 1;
  transform: translateY(0);
}

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

  .scroll-trigger.revealed {
    opacity: 1;
    transform: translateY(0);
  }

  /* Staggered delays */
  .scroll-trigger:nth-child(2) { transition-delay: 0.08s; }
  .scroll-trigger:nth-child(3) { transition-delay: 0.16s; }
  .scroll-trigger:nth-child(4) { transition-delay: 0.24s; }
  .scroll-trigger:nth-child(5) { transition-delay: 0.32s; }
  .scroll-trigger:nth-child(6) { transition-delay: 0.40s; }
}

/* ========== HEADER ========== */
#site-header {
  background: transparent;
}

#site-header.scrolled {
  background: rgba(248, 247, 244, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 1px 0 rgba(27, 94, 32, 0.06);
}

#header-inner {
  border-radius: 16px;
}

#site-header.scrolled #header-inner {
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
  padding: 0 1.25rem;
}

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

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #1B5E20;
  border-radius: 1px;
  transition: width 0.25s ease;
}

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

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

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

.menu-line:nth-child(3) {
  width: 1.4rem;
}

body.menu-open {
  overflow: hidden;
}

/* ========== FAQ ========== */
.faq-content {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s cubic-bezier(0.22, 1, 0.36, 1), padding 0.35s ease;
}

.faq-item.active .faq-content {
  max-height: 300px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: #1B5E20;
}

.faq-item.active .faq-icon svg {
  stroke: white;
}

/* ========== RESPONSIVE ========== */
@media (max-width: 640px) {
  .font-serif {
    line-height: 1.15;
  }
}