/* ─── Base & Typography ─── */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  overflow-x: hidden;
}

::selection {
  background: #C15A3E;
  color: #FDFBF7;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #FDFBF7;
}
::-webkit-scrollbar-thumb {
  background: #C15A3E;
  border-radius: 3px;
}

/* ─── Hero Fade-in Animations ─── */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  animation: heroFadeIn 0.9s cubic-bezier(0.22, 1, 0.36, 1) forwards;
}
.fade-in-delay-1 {
  animation-delay: 0.15s;
}
.fade-in-delay-2 {
  animation-delay: 0.3s;
}
fade-in-delay-3 {
  animation-delay: 0.45s;
}

@keyframes heroFadeIn {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ─── Scroll Reveal (below-the-fold only) ─── */
.reveal {
  opacity: 0;
  transform: translateY(32px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1), transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
}
.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(32px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .reveal,
  .fade-in {
    opacity: 1;
    transform: none;
    animation: none;
  }
  html {
    scroll-behavior: auto;
  }
}

/* ─── Navbar ─── */
#navbar.scrolled {
  background: rgba(253, 251, 247, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: 0 1px 0 rgba(44, 40, 37, 0.06);
}

/* ─── Mobile Menu ─── */
.mobile-link {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.4s ease, transform 0.4s ease, color 0.3s ease;
}
.mobile-menu-open .mobile-link {
  opacity: 1;
  transform: translateY(0);
}
.mobile-menu-open .mobile-link:nth-child(1) { transition-delay: 0.05s; }
.mobile-menu-open .mobile-link:nth-child(2) { transition-delay: 0.1s; }
.mobile-menu-open .mobile-link:nth-child(3) { transition-delay: 0.15s; }
.mobile-menu-open .mobile-link:nth-child(4) { transition-delay: 0.2s; }

/* Hamburger animation */
.menu-open #bar1 {
  transform: translateY(5px) rotate(45deg);
}
.menu-open #bar2 {
  opacity: 0;
}
.menu-open #bar3 {
  transform: translateY(-5px) rotate(-45deg);
}

/* ─── Image hover effect ─── */
.group img {
  will-change: transform;
}

/* ─── Contact Form ─── */
input:focus ~ label,
textarea:focus ~ label,
input:not(:placeholder-shown) ~ label,
textarea:not(:placeholder-shown) ~ label {
  top: -10px;
  font-size: 11px;
}

/* ─── Smooth section transitions ─── */
section {
  position: relative;
}