/* ─── Base & Utilities ─── */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { overflow-x: hidden; }

::selection { background: rgba(201, 168, 76, 0.3); color: #FDFBF7; }

/* ─── Header ─── */
#header {
  background: transparent;
  transition: background 0.5s ease, box-shadow 0.5s ease, backdrop-filter 0.5s ease;
}
#header.scrolled {
  background: rgba(8, 19, 12, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(201, 168, 76, 0.08), 0 4px 30px rgba(0,0,0,0.3);
}

/* ─── Hero ─── */
.hero-gradient {
  background:
    radial-gradient(ellipse 80% 60% at 50% 40%, rgba(26, 58, 42, 0.9) 0%, transparent 70%),
    radial-gradient(ellipse 60% 50% at 20% 60%, rgba(74, 138, 86, 0.3) 0%, transparent 60%),
    radial-gradient(ellipse 60% 50% at 80% 30%, rgba(201, 168, 76, 0.15) 0%, transparent 60%),
    linear-gradient(160deg, #0f2318 0%, #1A3A2A 35%, #285331 60%, #1A3A2A 85%, #08130c 100%);
}

.hero-img {
  animation: heroImgBreath 8s ease-in-out infinite;
}
@keyframes heroImgBreath {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.03); }
}

/* Sparkle particles */
.sparkle {
  position: absolute;
  width: 4px;
  height: 4px;
  background: radial-gradient(circle, #F2D06B 0%, transparent 70%);
  border-radius: 50%;
  animation: sparkleFloat var(--dur, 3s) ease-in-out var(--delay, 0s) infinite;
  opacity: 0;
}
@keyframes sparkleFloat {
  0%, 100% { opacity: 0; transform: translateY(0) scale(0.5); }
  50% { opacity: 1; transform: translateY(-20px) scale(1); }
}

/* Hero entrance animations */
.hero-badge {
  animation: fadeSlideUp 0.8s ease forwards;
  animation-delay: 0.2s;
  opacity: 0;
}
.hero-headline {
  animation: fadeSlideUp 0.8s ease forwards;
  animation-delay: 0.5s;
  opacity: 0;
}
.hero-subtitle {
  animation: fadeSlideUp 0.8s ease forwards;
  animation-delay: 0.8s;
  opacity: 0;
}
.hero-ctas {
  animation: fadeSlideUp 0.8s ease forwards;
  animation-delay: 1.1s;
  opacity: 0;
}
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero-scroll {
  animation: fadeSlideUp 0.8s ease forwards;
  animation-delay: 1.6s;
  opacity: 0;
}

.scroll-indicator {
  animation: scrollBounce 2s ease-in-out infinite;
}
@keyframes scrollBounce {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* ─── CTA Buttons ─── */
.cta-primary {
  position: relative;
  overflow: hidden;
}
.cta-primary::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255,255,255,0.15) 0%, transparent 60%);
  border-radius: inherit;
}

/* ─── Card Lift ─── */
.card-lift {
  transition: transform 0.4s ease, box-shadow 0.4s ease;
}
.card-lift:hover {
  transform: translateY(-6px);
  box-shadow: 0 20px 60px rgba(0,0,0,0.4), 0 0 0 1px rgba(201,168,76,0.1);
}

/* ─── Reveal Animations (progressive enhancement) ─── */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal-left {
    opacity: 0;
    transform: translateX(-40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal-right {
    opacity: 0;
    transform: translateX(40px);
    transition: opacity 0.7s ease, transform 0.7s ease;
  }
  .reveal-up.visible,
  .reveal-left.visible,
  .reveal-right.visible {
    opacity: 1;
    transform: translate(0, 0);
  }
}

/* ─── Mobile Menu ─── */
.mobile-link {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.4s ease, transform 0.4s ease;
}
#mobileMenu.open .mobile-link {
  opacity: 1;
  transform: translateY(0);
}
#mobileMenu.open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
#mobileMenu.open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
#mobileMenu.open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
#mobileMenu.open .mobile-link:nth-child(4) { transition-delay: 0.2s; }
#mobileMenu.open .mobile-link:nth-child(5) { transition-delay: 0.25s; }

/* ─── Nav Link Hover Effect ─── */
.nav-link {
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 50%;
  width: 0;
  height: 1px;
  background: #D4AF37;
  transition: width 0.3s ease, left 0.3s ease;
}
.nav-link:hover::after {
  width: 100%;
  left: 0;
}

/* ─── Input Focus ─── */
input:focus, textarea:focus {
  background: rgba(26, 58, 42, 0.4);
}

/* ─── Custom Scrollbar ─── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #08130c; }
::-webkit-scrollbar-thumb { background: #1A3A2A; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #285331; }

/* ─── Mobile Menu Button ─── */
#mobileMenu.open .menu-line:nth-child(1) {
  transform: rotate(45deg) translate(4px, 4px);
}
#mobileMenu.open .menu-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#mobileMenu.open .menu-line:nth-child(3) {
  transform: rotate(-45deg) translate(4px, -4px);
  width: 1.5rem;
}

/* ─── Form Button Loading State ─── */
#submitBtn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none !important;
}

/* ─── Responsive ─── */
@media (max-width: 767px) {
  .hero-headline { font-size: 2.75rem; }
  .hero-subtitle { font-size: 1rem; }
}