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

::selection { background: #e07a48; color: white; }

/* ── Navbar ── */
#navbar {
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}
#navbar.scrolled {
  background: rgba(253, 249, 243, 0.92);
  backdrop-filter: blur(16px);
  box-shadow: 0 1px 20px rgba(0, 0, 0, 0.06);
}
.nav-link {
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: #c85e2e;
  transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }

/* ── Mobile Menu ── */
.mobile-link {
  position: relative;
}
.mobile-link::after {
  content: '';
  display: block;
  width: 0;
  height: 2px;
  background: #c85e2e;
  transition: width 0.3s ease;
  margin: 4px auto 0;
}
.mobile-link:hover::after { width: 60%; }

/* ── Reveal Animations ── */
.reveal-up, .reveal-left, .reveal-right {
  opacity: 0;
  transform: translateY(30px);
  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);
}

/* ── Hero Reveal ── */
.reveal-up {
  transition-delay: 0.1s;
}
.reveal-up:nth-child(2) { transition-delay: 0.2s; }
.reveal-up:nth-child(3) { transition-delay: 0.3s; }
.reveal-up:nth-child(4) { transition-delay: 0.4s; }

/* ── Float Animations ── */
@keyframes float {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(3deg); }
}
@keyframes float-delay {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(-2deg); }
}
@keyframes float-slow {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-10px); }
}
.animate-float { animation: float 6s ease-in-out infinite; }
.animate-float-delay { animation: float-delay 7s ease-in-out infinite 1s; }
.animate-float-slow { animation: float-slow 5s ease-in-out infinite 2s; }

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

/* ── Form Focus States ── */
input:focus, select:focus, textarea:focus {
  box-shadow: 0 0 0 3px rgba(200, 94, 46, 0.1);
}

/* ── Smooth Image Loading ── */
img {
  opacity: 1;
  transition: opacity 0.4s ease;
}
img[loading="lazy"] {
  opacity: 0;
  transition: opacity 0.6s ease;
}
img.loaded { opacity: 1; }

/* ── Hover Card Lift ── */
.group:hover { transform: translateY(-4px); }
.group { transition: transform 0.3s ease; }

/* ── Custom Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #FDF9F3; }
::-webkit-scrollbar-thumb { background: #e0c68e; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #c85e2e; }

/* ── 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-up, .reveal-left, .reveal-right {
    opacity: 1;
    transform: none;
  }
}

/* ── Tablet ── */
@media (max-width: 768px) {
  .font-serif { line-height: 1.15; }
}

/* ── Print ── */
@media print {
  #navbar, .animate-float, .animate-float-delay, .animate-float-slow { display: none; }
  body { color: #1c1917; background: white; }
}