/* ===== Page Entrance Animation ===== */
body {
  animation: pageEntrance 0.6s ease-out;
}
@keyframes pageEntrance {
  from { opacity: 0; transform: translateY(12px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ===== Scroll-Aware Navbar with Frosted Glass ===== */
nav {
  transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease, -webkit-backdrop-filter 0.3s ease;
  z-index: 100;
}
.nav-scrolled {
  background: rgba(29, 29, 29, 0.85) !important;
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
  border-radius: 0 0 12px 12px;
}

/* ===== Animated Hamburger Icon ===== */
.hamburger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  cursor: pointer;
  background: none;
  border: none;
  padding: 10px;
  z-index: 101;
}
@media (min-width: 1024px) {
  .hamburger { display: none; }
}
.hamburger span {
  display: block;
  width: 26px;
  height: 2px;
  background: white;
  border-radius: 2px;
  transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.25s ease;
  transform-origin: center;
}
.hamburger span + span {
  margin-top: 6px;
}
.hamburger.open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}
.hamburger.open span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.hamburger.open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ===== Animated Mobile Menu ===== */
@media (max-width: 1023px) {
  #menu {
    max-height: 0;
    overflow: hidden;
    opacity: 0;
    transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s ease;
  }
  #menu.menu-open {
    max-height: 500px;
    opacity: 1;
  }
}
@media (min-width: 1024px) {
  #menu {
    max-height: none !important;
    opacity: 1 !important;
    overflow: visible !important;
  }
}

/* ===== Scroll Progress Bar ===== */
.scroll-progress {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  z-index: 9999;
  background: linear-gradient(90deg, rgb(152, 192, 130), #4a9e5c);
  transform-origin: left;
  transform: scaleX(0);
  pointer-events: none;
}

/* ===== Hero Text Entrance ===== */
.hero-text-enter {
  opacity: 0;
  transform: translateY(24px);
  animation: heroReveal 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) forwards;
}
.hero-text-enter.hero-delay-1 { animation-delay: 0.15s; }
.hero-text-enter.hero-delay-2 { animation-delay: 0.3s; }
.hero-text-enter.hero-delay-3 { animation-delay: 0.45s; }
@keyframes heroReveal {
  to { opacity: 1; transform: translateY(0); }
}

/* ===== Scroll Reveal ===== */
.reveal-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94), transform 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}
.reveal-on-scroll.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ===== Gradient Text ===== */
.gradient-text {
  background: linear-gradient(135deg, rgb(152, 192, 130) 0%, #4a9e5c 50%, rgb(152, 192, 130) 100%);
  background-size: 200% auto;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  animation: gradientShimmer 4s ease infinite;
}
@keyframes gradientShimmer {
  0%   { background-position: 0% center; }
  100% { background-position: 200% center; }
}