/* Mesoeconomic — custom styles for shared hosting */

:root {
  --font-display: "Georgia", "Times New Roman", serif;
  --font-body: "Segoe UI", system-ui, -apple-system, sans-serif;
  --color-sand-50: #fdfbf7;
  --color-sand-100: #f7f1e8;
  --color-sand-200: #efe4d4;
  --color-sand-300: #e2d0b5;
  --color-sand-800: #57432e;
  --color-sand-900: #3a2d1f;
  --color-ink: #2c2416;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  background-color: var(--color-sand-50);
  color: var(--color-ink);
  -webkit-font-smoothing: antialiased;
}

::selection {
  background-color: var(--color-sand-300);
  color: var(--color-ink);
}

.font-display {
  font-family: var(--font-display);
}

/* Hero dot grid */
.dot-grid {
  background-image: radial-gradient(circle at 1px 1px, #3a2d1f 1px, transparent 0);
  background-size: 28px 28px;
  opacity: 0.035;
}

/* Animations */
@keyframes fade-up {
  from {
    opacity: 0;
    transform: translateY(24px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes float {
  0%,
  100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-8px);
  }
}

.animate-fade-up {
  animation: fade-up 0.8s ease-out both;
}

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

.delay-100 {
  animation-delay: 0.1s;
}
.delay-200 {
  animation-delay: 0.2s;
}
.delay-300 {
  animation-delay: 0.3s;
}
.delay-400 {
  animation-delay: 0.4s;
}

/* Navbar states */
#site-header {
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease;
}

#site-header.is-scrolled {
  border-bottom: 1px solid rgba(226, 208, 181, 0.6);
  background-color: rgba(253, 251, 247, 0.9);
  box-shadow: 0 1px 2px rgba(58, 45, 31, 0.05);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

/* Desktop nav dropdown */
.nav-submenu {
  opacity: 0;
  visibility: hidden;
  transform: translateY(-6px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
}

.nav-dropdown:hover .nav-submenu,
.nav-dropdown:focus-within .nav-submenu,
.nav-dropdown.is-open .nav-submenu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-caret {
  transition: transform 0.18s ease;
}

.nav-dropdown:hover .nav-caret,
.nav-dropdown:focus-within .nav-caret,
.nav-dropdown.is-open .nav-caret {
  transform: rotate(180deg);
}

/* Anchor offset for the fixed header */
[id] {
  scroll-margin-top: 6rem;
}

/* Mobile menu */
#mobile-menu {
  display: none;
}

#mobile-menu.is-open {
  display: block;
}

#menu-btn .bar {
  display: block;
  height: 2px;
  width: 1.25rem;
  background: var(--color-ink);
  transition: transform 0.2s ease, opacity 0.2s ease;
}

#menu-btn.is-open .bar-1 {
  transform: translateY(8px) rotate(45deg);
}

#menu-btn.is-open .bar-2 {
  opacity: 0;
}

#menu-btn.is-open .bar-3 {
  transform: translateY(-8px) rotate(-45deg);
}

/* Join form success state */
#join-success {
  display: none;
}

#join-success.is-visible {
  display: block;
}

#join-form.is-hidden {
  display: none;
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  .animate-fade-up,
  .animate-float {
    animation: none !important;
  }

  .nav-submenu,
  .nav-caret {
    transition: none;
  }
}