/* ============================================
   Paradise River Retreat — Custom Styles
   ============================================ */

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

body {
  overflow-x: hidden;
}

::selection {
  background-color: rgba(94, 234, 212, 0.3);
  color: #f0f4f8;
}

/* --- Navigation --- */
#nav {
  backdrop-filter: blur(0px);
  -webkit-backdrop-filter: blur(0px);
  background: transparent;
}

#nav.scrolled {
  background: rgba(3, 8, 16, 0.92);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(94, 234, 212, 0.08);
}

.nav-link {
  position: relative;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 1px;
  background: #5eead4;
  transition: width 0.3s ease;
}

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

/* --- Hero --- */
.hero-eyebrow {
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
  animation-delay: 0.2s;
}

.hero-headline {
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
  animation-delay: 0.5s;
}

.hero-sub {
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
  animation-delay: 0.8s;
}

.hero-ctas {
  opacity: 0;
  animation: fadeUp 0.8s ease forwards;
  animation-delay: 1.1s;
}

@keyframes fadeUp {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Scroll indicator --- */
.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, rgba(94, 234, 212, 0.6), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
  0%, 100% { opacity: 0.3; transform: scaleY(0.6); transform-origin: top; }
  50% { opacity: 1; transform: scaleY(1); }
}

/* --- Buttons --- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  background: #5eead4;
  color: #0a1628;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid #5eead4;
}

.btn-primary:hover {
  background: transparent;
  color: #5eead4;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: #dce6f0;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  text-decoration: none;
  border: 1px solid rgba(220, 230, 240, 0.3);
  transition: all 0.3s ease;
}

.btn-secondary:hover {
  border-color: #5eead4;
  color: #5eead4;
}

.btn-dark {
  display: inline-flex;
  align-items: center;
  background: #0a1628;
  color: #5eead4;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  text-decoration: none;
  transition: all 0.3s ease;
  border: 1px solid #0a1628;
}

.btn-dark:hover {
  background: transparent;
  color: #0a1628;
  border-color: #0a1628;
}

.btn-outline-dark {
  display: inline-flex;
  align-items: center;
  background: transparent;
  color: #0a1628;
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  padding: 1rem 2rem;
  text-decoration: none;
  border: 1px solid rgba(10, 22, 40, 0.4);
  transition: all 0.3s ease;
}

.btn-outline-dark:hover {
  border-color: #0a1628;
  background: rgba(10, 22, 40, 0.05);
}

/* --- Section reveals --- */
.section-reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

/* Progressive enhancement: only animate if user prefers motion */
@media (prefers-reduced-motion: no-preference) {
  .section-reveal {
    opacity: 0;
    transform: translateY(32px);
  }

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

/* --- Feature items --- */
.feature-item {
  opacity: 1;
}

@media (prefers-reduced-motion: no-preference) {
  .feature-item {
    opacity: 0;
    transform: translateY(16px);
  }
  .feature-item.revealed {
    opacity: 1;
    transform: translateY(0);
  }
}

/* --- Mobile menu --- */
.mobile-link {
  display: block;
}

/* --- Form --- */
input:focus,
textarea:focus {
  outline: none;
}

/* --- Image hover containers --- */
.relative.overflow-hidden {
  will-change: transform;
}

/* --- Custom scrollbar --- */
::-webkit-scrollbar {
  width: 6px;
}
::-webkit-scrollbar-track {
  background: #0a1628;
}
::-webkit-scrollbar-thumb {
  background: #2d3a5c;
  border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
  background: #5eead4;
}

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

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

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

  .hero-headline br {
    display: none;
  }

  .hero-headline span {
    display: inline;
  }
}