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

body {
  overflow-x: hidden;
}

::selection {
  background-color: rgba(196, 77, 77, 0.2);
  color: #5c1e1e;
}

/* ── Navbar ── */
#navbar.scrolled {
  background: rgba(255, 252, 249, 0.95);
  backdrop-filter: blur(12px);
  box-shadow: 0 1px 20px rgba(132, 40, 40, 0.08);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #c44d4d;
  transition: width 0.3s ease;
  border-radius: 1px;
}

.nav-link:hover::after {
  width: 100%;
}

/* ── Mobile Menu ── */
#mobile-menu {
  animation: slideDown 0.3s ease;
}

@keyframes slideDown {
  from {
    opacity: 0;
    transform: translateY(-10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.mobile-link {
  position: relative;
}

/* ── Animations ── */
@keyframes float {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-20px) rotate(3deg); }
}

@keyframes float-delay {
  0%, 100% { transform: translateY(0px) rotate(0deg); }
  50% { transform: translateY(-15px) rotate(-2deg); }
}

@keyframes spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes spin-slow-reverse {
  from { transform: rotate(360deg); }
  to { transform: rotate(0deg); }
}

.animate-float {
  animation: float 6s ease-in-out infinite;
}

.animate-float-delay {
  animation: float-delay 8s ease-in-out infinite;
  animation-delay: 1s;
}

.animate-spin-slow {
  animation: spin-slow 20s linear infinite;
}

.animate-spin-slow-reverse {
  animation: spin-slow-reverse 25s linear infinite;
}

/* ── Reveal on Scroll ── */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* Default state for reveal elements (visible when JS is off) */
.reveal {
  transform: translateY(0);
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .reveal {
    opacity: 0;
    transform: translateY(24px);
  }
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ── Staggered reveal delays ── */
.reveal:nth-child(1) { transition-delay: 0.05s; }
.reveal:nth-child(2) { transition-delay: 0.1s; }
.reveal:nth-child(3) { transition-delay: 0.15s; }
.reveal:nth-child(4) { transition-delay: 0.2s; }
.reveal:nth-child(5) { transition-delay: 0.25s; }
.reveal:nth-child(6) { transition-delay: 0.3s; }

/* ── Button ripple effect ── */
button, a {
  -webkit-tap-highlight-color: transparent;
}

/* ── Form focus styles ── */
input:focus,
select:focus,
textarea:focus {
  outline: none;
}

/* ── Custom scrollbar ── */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #fffcf9;
}

::-webkit-scrollbar-thumb {
  background: #e8c4c4;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #c44d4d;
}

/* ── Responsive adjustments ── */
@media (max-width: 768px) {
  #navbar {
    background: rgba(255, 252, 249, 0.95);
    backdrop-filter: blur(12px);
  }
}