/* ===== Custom Styles for ACTS ===== */

:root {
  --font-serif: 'Playfair Display', Georgia, serif;
  --font-sans: 'Inter', system-ui, sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  font-family: var(--font-sans);
  overflow-x: hidden;
}

/* ===== Navigation ===== */
.nav-hidden {
  opacity: 0 !important;
  transform: translateY(-8px);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 1px;
  background: #2dd4bf;
  transition: all 0.3s ease;
  transform: translateX(-50%);
}

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

/* Mobile menu */
#mobile-menu.open {
  opacity: 1 !important;
  pointer-events: all !important;
}

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

.mobile-link {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}

#mobile-menu.open .mobile-link {
  opacity: 1;
  transform: translateY(0);
}

#mobile-menu.open .mobile-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(4) { transition-delay: 0.25s; }

/* ===== Hero Animation ===== */
.hero-subtitle { animation: fadeUp 0.8s ease forwards 0.3s; }
.hero-headline { animation: fadeUp 0.8s ease forwards 0.5s; }
.hero-body { animation: fadeUp 0.8s ease forwards 0.7s; }
.hero-cta { animation: fadeUp 0.8s ease forwards 0.9s; }

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Scroll Reveal ===== */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.7s cubic-bezier(0.22, 1, 0.36, 1), transform 0.7s cubic-bezier(0.22, 1, 0.36, 1);
}

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

.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.2s; }

/* ===== Tag Label ===== */
.tag-label {
  letter-spacing: 0.2em;
}

/* ===== 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, #0d9488, #2dd4bf);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

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

/* ===== Navbar Scroll State ===== */
#navbar.scrolled {
  background: rgba(2, 6, 23, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.05);
}

#navbar.scrolled .nav-hidden {
  opacity: 1 !important;
  transform: none !important;
}

/* ===== Focus Styles ===== */
input:focus, select:focus, textarea:focus {
  outline: none;
}

/* ===== Selection ===== */
::selection {
  background: rgba(13, 148, 136, 0.2);
  color: #0f172a;
}

/* ===== Smooth scrollbar ===== */
::-webkit-scrollbar {
  width: 8px;
}
::-webkit-scrollbar-track {
  background: #f1f5f9;
}
::-webkit-scrollbar-thumb {
  background: #94a3b8;
  border-radius: 4px;
}
::-webkit-scrollbar-thumb:hover {
  background: #64748b;
}

/* ===== Responsive ===== */
@media (max-width: 767px) {
  .hero-headline {
    font-size: 2.75rem !important;
  }
}

@media (min-width: 768px) and (max-width: 1023px) {
  .hero-headline {
    font-size: 4rem !important;
  }
}