/* ── Reset & Base ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { overflow-x: hidden; }
img { display: block; max-width: 100%; }

/* ── Hero Gradient ── */
.hero-gradient {
  background:
    radial-gradient(ellipse 80% 60% at 20% 80%, rgba(6, 79, 70, 0.7) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 20%, rgba(4, 92, 80, 0.6) 0%, transparent 55%),
    radial-gradient(ellipse 100% 80% at 50% 100%, rgba(2, 44, 34, 0.8) 0%, transparent 50%),
    linear-gradient(160deg, #022c22 0%, #064e3b 35%, #065f46 60%, #047857 100%);
}

/* ── Hero Animations ── */
.hero-img {
  opacity: 0;
  animation: heroFadeIn 1.2s ease forwards;
}
.hero-scrim {
  opacity: 0;
  animation: heroFadeIn 1s ease 0.2s forwards;
}
.hero-subtitle {
  opacity: 0;
  animation: heroSlideUp 0.8s ease 0.4s forwards;
}
.hero-title {
  opacity: 0;
  animation: heroSlideUp 0.9s ease 0.6s forwards;
}
.hero-desc {
  opacity: 0;
  animation: heroSlideUp 0.8s ease 0.8s forwards;
}
.hero-ctas {
  opacity: 0;
  animation: heroSlideUp 0.8s ease 1s forwards;
}
.hero-scroll {
  opacity: 0;
  animation: heroFadeIn 0.6s ease 1.4s forwards;
}

@keyframes heroFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}
@keyframes heroSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Buttons ── */
.btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: #065f46;
  color: #faf8f4;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  border: none;
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
}
.btn-primary:hover {
  background: #064e3b;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(6, 95, 70, 0.35);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 1rem 2rem;
  background: transparent;
  color: #faf8f4;
  font-family: 'Inter', system-ui, sans-serif;
  font-size: 0.9375rem;
  font-weight: 500;
  border: 1.5px solid rgba(250, 248, 244, 0.4);
  border-radius: 100px;
  cursor: pointer;
  text-decoration: none;
  transition: background 0.3s ease, border-color 0.3s ease, transform 0.2s ease;
}
.btn-secondary:hover {
  background: rgba(250, 248, 244, 0.1);
  border-color: rgba(250, 248, 244, 0.7);
  transform: translateY(-2px);
}

/* ── Navbar Scroll State ── */
#navbar.scrolled {
  background: rgba(250, 248, 244, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(6, 95, 70, 0.08);
}

/* ── Menu Hover ── */
#menu li {
  transition: transform 0.2s ease;
}
#menu li:hover {
  transform: translateX(4px);
}

/* ── Mobile Menu Transition ── */
#mobile-menu {
  animation: mobileMenuIn 0.3s ease forwards;
}
@keyframes mobileMenuIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ── Reduced Motion ── */
@media (prefers-reduced-motion: reduce) {
  .hero-img, .hero-scrim, .hero-subtitle, .hero-title,
  .hero-desc, .hero-ctas, .hero-scroll {
    opacity: 1;
    animation: none;
  }
  html { scroll-behavior: auto; }
  .btn-primary:hover, .btn-secondary:hover { transform: none; }
}