/* ── Base & Reset ── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  overflow-x: hidden;
}

::selection {
  background: rgba(5, 150, 105, 0.2);
  color: #064e3b;
}

/* ── Navigation ── */
#navbar {
  background: transparent;
  transition: background 0.5s ease, box-shadow 0.5s ease, backdrop-filter 0.5s ease;
}

#navbar.scrolled {
  background: rgba(254, 253, 248, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(6, 95, 70, 0.06);
}

.nav-link {
  position: relative;
}

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

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

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

#mobile-menu.open .mobile-link {
  animation: fadeUp 0.4s ease forwards;
  opacity: 0;
}

#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.menu-line {
  display: block;
  transition: transform 0.3s ease, opacity 0.3s ease;
}

#menu-toggle.active .menu-line:first-child {
  transform: translateY(4px) rotate(45deg);
}

#menu-toggle.active .menu-line:last-child {
  transform: translateY(-4px) rotate(-45deg);
}

/* ── Hero Animations ── */
.hero-subtitle {
  animation: heroFade 1s ease 0.2s both;
}

.hero-title {
  animation: heroFade 1s ease 0.4s both;
}

.hero-tagline {
  animation: heroFade 1s ease 0.6s both;
}

.hero-cta {
  animation: heroFade 1s ease 0.8s both;
}

@keyframes heroFade {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Scroll Reveal ── */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}

.reveal[data-reveal="hidden"] {
  opacity: 0;
  transform: translateY(30px);
}

/* ── Service Cards ── */
.service-card {
  transition: background 0.5s ease;
}

/* ── Gallery Images ── */
.overflow-hidden {
  overflow: hidden;
}

/* ── Form Inputs ── */
input:focus, textarea:focus {
  border-color: #34d399 !important;
  box-shadow: 0 0 0 3px rgba(52, 211, 153, 0.1);
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  html { scroll-behavior: auto; }
  .reveal[data-reveal="hidden"] {
    opacity: 1 !important;
    transform: none !important;
  }
}

/* ── Scrollbar ── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #fdf9f0;
}
::-webkit-scrollbar-thumb {
  background: #a7f3d0;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #34d399;
}