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

/* ─── Navbar ─── */
#navbar {
  background: transparent;
  transition: background 0.4s ease, box-shadow 0.4s ease, backdrop-filter 0.4s ease;
}
#navbar.scrolled {
  background: rgba(255, 251, 248, 0.92);
  backdrop-filter: blur(20px);
  box-shadow: 0 1px 20px rgba(123, 45, 59, 0.08);
}

/* ─── Mobile Menu ─── */
#mobile-menu.open {
  opacity: 1;
  pointer-events: all;
}
#mobile-menu.open .mobile-link {
  animation: fadeUp 0.4s ease forwards;
  opacity: 0;
}
#mobile-menu.open .mobile-link:nth-child(1) { animation-delay: 0.05s; }
#mobile-menu.open .mobile-link:nth-child(2) { animation-delay: 0.1s; }
#mobile-menu.open .mobile-link:nth-child(3) { animation-delay: 0.15s; }
#mobile-menu.open .mobile-link:nth-child(4) { animation-delay: 0.2s; }
#mobile-menu.open .mobile-link:nth-child(5) { animation-delay: 0.25s; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Hamburger Animation ─── */
.menu-line { transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1); }
#menu-btn.active .menu-line:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
#menu-btn.active .menu-line:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
#menu-btn.active .menu-line:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
  width: 5px;
}

/* ─── Floating Cards (Hero) ─── */
.floating-card {
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

/* ─── Hero Blobs ─── */
.hero-blob {
  animation: blobMove 12s ease-in-out infinite;
}
.blob-2 { animation-delay: -4s; animation-duration: 15s; }
.blob-3 { animation-delay: -8s; animation-duration: 10s; }
@keyframes blobMove {
  0%, 100% { transform: translate(0, 0) scale(1); }
  33% { transform: translate(30px, -30px) scale(1.05); }
  66% { transform: translate(-20px, 20px) scale(0.95); }
}

/* ─── Service Cards ─── */
.service-card {
  transform: translateY(0);
}
.service-card:hover {
  transform: translateY(-4px);
}

/* ─── Gallery Items ─── */
.gallery-item {
  overflow: hidden;
  position: relative;
}
.gallery-item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(123, 45, 59, 0.15) 0%, transparent 50%);
  opacity: 0;
  transition: opacity 0.4s ease;
  border-radius: inherit;
}
.gallery-item:hover::after { opacity: 1; }

/* ─── Testimonial Cards ─── */
.testimonial-card {
  transform: translateY(0);
}
.testimonial-card:hover {
  transform: translateY(-6px);
}

/* ─── Scroll Animations ─── */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}
.reveal.visible {
  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; }
.reveal-delay-5 { transition-delay: 0.5s; }
.reveal-delay-6 { transition-delay: 0.6s; }

/* ─── Nav Links ─── */
.nav-link {
  position: relative;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, #7B2D3B, #C4707A);
  border-radius: 1px;
  transition: width 0.3s ease;
}
.nav-link:hover::after { width: 100%; }

/* ─── Custom Scrollbar ─── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: #fffbf8; }
::-webkit-scrollbar-thumb { background: #f09aad; border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: #7B2D3B; }

/* ─── Selection ─── */
::selection {
  background: rgba(123, 45, 59, 0.15);
  color: #7B2D3B;
}

/* ─── Focus Styles ─── */
input:focus, select:focus, textarea:focus {
  outline: none;
}