/* ── Reset & Base ───────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }
img { display: block; max-width: 100%; }
button, input, select, textarea { font-family: inherit; font-size: inherit; }

/* ── Hero Gradient ──────────────────────────────────── */
.hero-gradient {
  background: radial-gradient(ellipse 80% 60% at 50% 40%, #064e3b 0%, #022c22 50%, #011a15 100%);
}

/* ── Hero Animations ────────────────────────────────── */
.hero-subtitle { animation: fadeUp 0.8s ease forwards 0.3s; }
.hero-title { animation: fadeUp 0.8s ease forwards 0.5s; }
.hero-desc { animation: fadeUp 0.8s ease forwards 0.7s; }
.hero-ctas { animation: fadeUp 0.8s ease forwards 0.9s; }
.hero-scroll { animation: fadeIn 0.8s ease forwards 1.3s; }

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

/* ── Hero Orbs ──────────────────────────────────────── */
.hero-orb-1 { animation: float 8s ease-in-out infinite; }
.hero-orb-2 { animation: float 10s ease-in-out infinite reverse; }
.hero-orb-3 { animation: pulse 6s ease-in-out infinite; }

@keyframes float {
  0%, 100% { transform: translate(0, 0) scale(1); }
  50% { transform: translate(30px, -20px) scale(1.05); }
}
@keyframes pulse {
  0%, 100% { opacity: 0.5; transform: translate(-50%, -50%) scale(1); }
  50% { opacity: 0.8; transform: translate(-50%, -50%) scale(1.1); }
}

/* ── Scroll Indicator ───────────────────────────────── */
.scroll-line {
  animation: scrollDown 2s ease-in-out infinite;
}
@keyframes scrollDown {
  0% { transform: scaleY(0); transform-origin: top; opacity: 0.6; }
  50% { transform: scaleY(1); transform-origin: top; opacity: 0.6; }
  51% { transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; opacity: 0.6; }
}

/* ── Section Labels ─────────────────────────────────── */
.section-label {
  letter-spacing: 0.2em;
}

/* ── CTA Buttons ────────────────────────────────────── */
.cta-primary {
  position: relative;
  overflow: hidden;
}
.cta-primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.1) 0%, transparent 60%);
  opacity: 0;
  transition: opacity 0.3s;
}
.cta-primary:hover::before { opacity: 1; }

/* ── Service Cards ──────────────────────────────────── */
.service-card {
  backdrop-filter: blur(10px);
  transform: translateY(0);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

/* ── Gallery Items ──────────────────────────────────── */
.gallery-item {
  transform: translateY(0);
}
.gallery-item:hover img {
  filter: brightness(0.85);
}

/* ── Reveal Animations ──────────────────────────────── */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.16, 1, 0.3, 1), transform 0.8s cubic-bezier(0.16, 1, 0.3, 1);
}
.reveal-left { transform: translateX(-40px); }
.reveal-right { transform: translateX(40px); }
.reveal-up.visible, .reveal-left.visible, .reveal-right.visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* ── Header Background ──────────────────────────────── */
#site-header.scrolled {
  background: rgba(1, 26, 21, 0.92);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(254, 249, 235, 0.05);
}

/* ── Mobile Menu ────────────────────────────────────── */
.mobile-nav-link {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease, color 0.2s;
}
#mobile-menu.open .mobile-nav-link {
  opacity: 1;
  transform: translateY(0);
}
#mobile-menu.open .mobile-nav-link:nth-child(1) { transition-delay: 0.1s; }
#mobile-menu.open .mobile-nav-link:nth-child(2) { transition-delay: 0.15s; }
#mobile-menu.open .mobile-nav-link:nth-child(3) { transition-delay: 0.2s; }
#mobile-menu.open .mobile-nav-link:nth-child(4) { transition-delay: 0.25s; }
#mobile-menu.open .mobile-nav-link:nth-child(5) { transition-delay: 0.3s; }

/* ── Menu Lines Animation ───────────────────────────── */
#menu-btn.active .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}
#menu-btn.active .menu-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#menu-btn.active .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
  width: 5rem;
}

/* ── Selection ──────────────────────────────────────── */
::selection {
  background: rgba(5, 150, 105, 0.3);
  color: #022c22;
}

/* ── Focus Visible ──────────────────────────────────── */
:focus-visible {
  outline: 2px solid #10b981;
  outline-offset: 2px;
}

/* ── Smooth Scrollbar ───────────────────────────────── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #011a15; }
::-webkit-scrollbar-thumb { background: #064e3b; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #047857; }