body > section > div > h1 {
  padding: 0 5vw;
}

.prose p {
  text-align: justify;
}

/* ----------- Global Modern Enhancements ----------- */

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
}

a {
  transition: color 200ms ease;
}

/* Whole-page fade/slide-in on load, used on the main article of every page */
.fade-in-page {
  animation: fadeInPage 600ms ease-out both;
}

@keyframes fadeInPage {
  from {
    opacity: 0;
    transform: translateY(16px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Scroll-triggered reveal for content blocks, see tail-custom.js */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition:
    opacity 700ms ease,
    transform 700ms ease;
  will-change: opacity, transform;
}

.reveal.in-view {
  opacity: 1;
  transform: translateY(0);
}

/* Dividers "draw" themselves in on load */
#header-divider,
#footer-divider {
  transform-origin: left center;
  animation: growDivider 900ms ease-out 150ms both;
}

@keyframes growDivider {
  from {
    transform: scaleX(0) rotate(-1deg);
  }
  to {
    transform: scaleX(1) rotate(-1deg);
  }
}

/* Site title link */
body > section > div > h1 > a {
  display: inline-block;
  transition: color 250ms ease;
}

/* Prose content polish */
.prose img {
  border-radius: 0.75rem;
  box-shadow: 0 10px 25px -10px rgba(0, 0, 0, 0.25);
  transition:
    transform 300ms ease,
    box-shadow 300ms ease;
}

.prose img:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: 0 16px 32px -12px rgba(0, 0, 0, 0.3);
}

.prose blockquote {
  border-left: 4px solid rgb(99 102 241 / var(--tw-text-opacity));
  background: rgba(99, 102, 241, 0.06);
  border-radius: 0 0.5rem 0.5rem 0;
  padding: 0.75rem 1.25rem;
}

.prose a {
  background-image: linear-gradient(currentColor, currentColor);
  background-position: 0 100%;
  background-repeat: no-repeat;
  background-size: 0% 1px;
  transition:
    background-size 250ms ease,
    color 200ms ease;
}

.prose a:hover {
  background-size: 100% 1px;
}

/* Footer polish */
footer .text-2xl a {
  display: inline-block;
  transition:
    transform 250ms ease,
    color 250ms ease;
}

footer .text-2xl a:hover {
  transform: translateY(-3px) scale(1.15);
  color: rgb(99 102 241 / var(--tw-text-opacity));
}

/* ----------- Navigation (Modernized) ----------- */

#navigation {
  background-color: rgba(255, 255, 255, 0.85);
  backdrop-filter: saturate(180%) blur(6px);
  -webkit-backdrop-filter: saturate(180%) blur(6px);
  transition:
    box-shadow 300ms ease,
    background-color 300ms ease;
}

#navigation.nav-scrolled {
  background-color: rgba(255, 255, 255, 0.95);
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.08);
}

#navigation ul > li {
  position: relative;
}

#navigation ul > li > a {
  position: relative;
  transition: color 200ms ease;
}

#navigation ul > li > a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -4px;
  width: 100%;
  height: 2px;
  background: currentColor;
  transform: scaleX(0);
  transform-origin: right center;
  transition: transform 250ms ease;
}

#navigation ul > li:hover > a::after,
#navigation ul > li.nav-active > a::after {
  transform: scaleX(1);
  transform-origin: left center;
}

#navigation ul > li.nav-active > a {
  font-weight: 700;
}

/* ----------- Burger Menu ----------- */

/* Hide checkbox */
#menu-toggle {
  display: none;
}

/* Burger button, kept above the full-screen panel so it also acts as the close button */
#burger {
  position: relative;
  z-index: 60;
  display: inline-block;
  cursor: pointer;
  font-size: 1.5rem;
  padding: 0.5rem 1rem;
  user-select: none;
  transition: transform 250ms ease;
}

#menu-toggle:checked + #burger {
  transform: rotate(90deg);
}

#navigation ul > li:hover {
  text-decoration: none;
}

/* Prevent the page from scrolling behind the full-screen menu */
body.nav-open {
  overflow: hidden;
}

/* Full-screen slide-in menu panel: hidden off-screen to the right by default */
#navigation > ul {
  position: fixed;
  inset: 0;
  left: auto;
  width: 100%;
  height: 100vh;
  margin: 0;
  padding: 6rem 2rem 3rem;
  background: white;
  border: none;
  box-shadow: -12px 0 40px rgba(0, 0, 0, 0.2);
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  z-index: 50;
  visibility: hidden;
  pointer-events: none;
  transform: translateX(100%);
  transition:
    transform 420ms cubic-bezier(0.4, 0, 0.2, 1),
    visibility 420ms;
}

#navigation > ul > li {
  font-size: 1.5rem;
}

#navigation > ul > li > a::after {
  bottom: -6px;
}

/* slides in and covers the whole page while open; burger now lives next to the h1, not
   next to the ul, so toggle via the nav-open class set by tail-custom.js instead of + */
body.nav-open #navigation > ul {
  visibility: visible;
  pointer-events: auto;
  transform: translateX(0);
}