:root {
  color-scheme: dark;
  --bg: #0d1511;
  --bg-soft: #121e18;
  --paper: #18251e;
  --paper-glow: rgba(46, 71, 57, .6);
  --ink: #e7e2d3;
  --ink-soft: #aaa99d;
  --gold: #c6a65a;
  --gold-soft: rgba(198, 166, 90, .18);
  --line: rgba(198, 166, 90, .28);
  --shadow: rgba(0, 0, 0, .42);
  --display: Georgia, "Times New Roman", serif;
  --text: "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
}

html[data-theme="paper"] {
  color-scheme: light;
  --bg: #e6dec8;
  --bg-soft: #d8cdb1;
  --paper: #f2ead5;
  --paper-glow: rgba(255, 250, 233, .72);
  --ink: #292d26;
  --ink-soft: #69695e;
  --gold: #8a692a;
  --gold-soft: rgba(138, 105, 42, .13);
  --line: rgba(107, 82, 35, .28);
  --shadow: rgba(54, 45, 27, .22);
}

* { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  background: var(--bg);
}

body {
  margin: 0;
  min-width: 320px;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 12%, var(--paper-glow), transparent 28rem),
    linear-gradient(155deg, var(--bg-soft), var(--bg) 45%, var(--bg-soft));
  font-family: var(--text);
  transition: color .35s ease, background .35s ease;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  opacity: .23;
  background-image:
    repeating-linear-gradient(92deg, transparent 0 11px, rgba(255,255,255,.018) 12px),
    repeating-linear-gradient(3deg, transparent 0 17px, rgba(0,0,0,.03) 18px);
  mix-blend-mode: soft-light;
}

::selection { color: var(--bg); background: var(--gold); }

.reading-progress {
  position: fixed;
  inset: 0 0 auto;
  z-index: 100;
  height: 3px;
  background: transparent;
}

.reading-progress span {
  display: block;
  width: 0;
  height: 100%;
  background: var(--gold);
  box-shadow: 0 0 16px var(--gold);
}

.theme-toggle {
  position: fixed;
  z-index: 90;
  top: 1.4rem;
  right: 1.4rem;
  display: grid;
  place-items: center;
  width: 3rem;
  height: 3rem;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--gold);
  background: color-mix(in srgb, var(--bg) 72%, transparent);
  backdrop-filter: blur(12px);
  cursor: pointer;
  transition: transform .25s ease, border-color .25s ease, background .35s ease;
}

.theme-toggle:hover { transform: rotate(12deg) scale(1.05); border-color: var(--gold); }
.theme-toggle:focus-visible { outline: 2px solid var(--gold); outline-offset: 4px; }
.theme-toggle span { position: absolute; font: 1.45rem/1 var(--display); transition: opacity .25s ease, transform .35s ease; }
.theme-toggle__sun { opacity: 0; transform: rotate(-30deg) scale(.7); }
.theme-toggle__moon { opacity: 1; transform: rotate(0) scale(1); }
html[data-theme="paper"] .theme-toggle__sun { opacity: 1; transform: rotate(0) scale(1); }
html[data-theme="paper"] .theme-toggle__moon { opacity: 0; transform: rotate(30deg) scale(.7); }

.hero {
  position: relative;
  isolation: isolate;
  display: grid;
  align-items: center;
  min-height: 100svh;
  overflow: hidden;
  padding: 7rem clamp(1.5rem, 8vw, 10rem);
  border-bottom: 1px solid var(--line);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -4;
  background:
    linear-gradient(90deg, rgba(6, 12, 8, .9) 0%, rgba(7, 16, 11, .53) 53%, rgba(4, 10, 7, .18)),
    radial-gradient(ellipse at 78% 25%, rgba(205, 193, 147, .16), transparent 33%),
    linear-gradient(180deg, #18251d 0%, #101a14 58%, #09100c 100%);
}

html[data-theme="paper"] .hero::before {
  background:
    linear-gradient(90deg, rgba(226, 216, 187, .94), rgba(222, 209, 172, .58) 55%, rgba(222, 209, 172, .18)),
    radial-gradient(ellipse at 78% 25%, rgba(255, 249, 216, .7), transparent 35%),
    linear-gradient(180deg, #d8ceb4, #c7b995);
}

.hero::after {
  content: "";
  position: absolute;
  inset: auto 0 0;
  z-index: -1;
  height: 34%;
  background: linear-gradient(transparent, var(--bg));
}

.moon {
  position: absolute;
  z-index: -3;
  top: 12%;
  right: clamp(7%, 13vw, 16%);
  width: clamp(10rem, 20vw, 17rem);
  aspect-ratio: 1;
  border-radius: 50%;
  background:
    radial-gradient(circle at 35% 30%, rgba(255,255,255,.85), transparent 8%),
    radial-gradient(circle at 67% 66%, rgba(85,76,51,.15), transparent 17%),
    #d7cfaa;
  box-shadow: 0 0 80px rgba(218, 205, 151, .26), 0 0 180px rgba(218, 205, 151, .12);
  opacity: .9;
}

html[data-theme="paper"] .moon { background: #f1e8c8; box-shadow: 0 0 90px rgba(255,251,222,.8); }

.oak-silhouette {
  position: absolute;
  z-index: -2;
  right: max(-7rem, -6vw);
  bottom: -2rem;
  width: min(62vw, 52rem);
  height: 86%;
  fill: #050a07;
  opacity: .96;
  filter: drop-shadow(-1rem 0 3rem rgba(0,0,0,.35));
}

html[data-theme="paper"] .oak-silhouette { fill: #4e513f; opacity: .84; }

.hero__mist {
  position: absolute;
  z-index: -1;
  width: 70vw;
  height: 9rem;
  border-radius: 50%;
  background: rgba(210, 218, 196, .08);
  filter: blur(28px);
  animation: mist 18s ease-in-out infinite alternate;
}

.hero__mist--one { left: -18%; bottom: 22%; }
.hero__mist--two { right: -25%; bottom: 9%; animation-duration: 24s; animation-direction: alternate-reverse; }

@keyframes mist { to { transform: translateX(17%) scaleX(1.12); opacity: .55; } }

.hero__content { position: relative; z-index: 2; width: min(51rem, 77vw); }

.eyebrow {
  display: flex;
  align-items: center;
  gap: .8rem;
  margin: 0 0 2rem;
  color: var(--gold);
  font: 600 clamp(.72rem, 1.2vw, .85rem)/1.2 Arial, sans-serif;
  letter-spacing: .32em;
  text-transform: uppercase;
}

.eyebrow::before { content: ""; width: 3rem; height: 1px; background: currentColor; }

h1 {
  margin: 0;
  max-width: 10ch;
  font: 400 clamp(4.3rem, 11.4vw, 10.8rem)/.82 var(--display);
  letter-spacing: -.065em;
  text-wrap: balance;
  text-shadow: 0 .08em .4em rgba(0,0,0,.3);
}

h1 span { display: block; }
h1 span:last-child { color: var(--gold); font-style: italic; transform: translateX(.32em); }

.hero__kind {
  margin: 2rem 0 0 4.3rem;
  color: var(--ink-soft);
  font: italic 1rem/1.5 var(--text);
  letter-spacing: .16em;
}

.scroll-cue {
  display: inline-flex;
  align-items: center;
  gap: 1rem;
  margin: clamp(4rem, 9vh, 7rem) 0 0;
  color: var(--ink-soft);
  text-decoration: none;
  font: 600 .7rem/1 Arial, sans-serif;
  letter-spacing: .28em;
  text-transform: uppercase;
}

.scroll-cue i { position: relative; display: block; width: 4rem; height: 1px; background: var(--line); overflow: hidden; }
.scroll-cue i::after { content: ""; position: absolute; inset: 0; background: var(--gold); transform: translateX(-100%); animation: cue 2.1s ease-in-out infinite; }
@keyframes cue { 50%, 100% { transform: translateX(100%); } }

.poem-wrap {
  position: relative;
  width: min(100%, 76rem);
  margin: 0 auto;
  padding: clamp(5rem, 12vw, 10rem) clamp(1.25rem, 7vw, 7rem) clamp(7rem, 14vw, 12rem);
}

.poem-wrap::before {
  content: "Л";
  position: absolute;
  top: 2rem;
  left: max(-1.5rem, 1vw);
  z-index: -1;
  color: var(--gold-soft);
  font: 40rem/.8 var(--display);
  opacity: .28;
  pointer-events: none;
}

.poem-heading { margin: 0 auto clamp(5rem, 10vw, 8rem); text-align: center; }
.poem-heading__number { display: block; margin-bottom: 2rem; color: var(--gold); font: italic 1.1rem/1 var(--display); }

.ornament { display: flex; align-items: center; justify-content: center; gap: 1rem; color: var(--gold); }
.ornament i { width: clamp(2.5rem, 8vw, 7rem); height: 1px; background: linear-gradient(90deg, transparent, var(--line)); }
.ornament i:last-child { background: linear-gradient(90deg, var(--line), transparent); }
.ornament b { font-size: .65rem; font-weight: 400; }

.poem { width: min(100%, 49rem); margin: 0 auto; }

.stanza {
  position: relative;
  margin: 0 0 clamp(4.5rem, 9vw, 7rem);
  padding-left: clamp(0rem, 5vw, 4rem);
}

.stanza::before {
  content: "";
  position: absolute;
  top: .8rem;
  left: 0;
  width: clamp(0rem, 2.5vw, 1.9rem);
  height: 1px;
  background: var(--line);
}

.stanza p { margin: 0 0 2.15rem; }
.stanza p:last-child { margin-bottom: 0; }

.stanza span,
.refrain span {
  display: block;
  font-size: clamp(1.2rem, 2.4vw, 1.72rem);
  line-height: 1.68;
  letter-spacing: .005em;
  text-wrap: pretty;
}

.stanza span { transition: color .18s ease, transform .18s ease; }
.stanza span:hover { color: var(--gold); transform: translateX(.18rem); }

.refrain {
  position: relative;
  margin: 0 0 clamp(5rem, 10vw, 8rem);
  padding: clamp(1.6rem, 4vw, 2.4rem) clamp(1.4rem, 5vw, 3.5rem);
  border-left: 1px solid var(--gold);
  color: var(--gold);
  background: linear-gradient(90deg, var(--gold-soft), transparent 82%);
}

.refrain p { margin: 0; font-style: italic; }
.refrain span { font-size: clamp(1.14rem, 2.25vw, 1.55rem); line-height: 1.65; }
.refrain__mark { position: absolute; top: -.35rem; left: -.32rem; padding: .1rem 0; color: var(--gold); background: var(--bg); font: .62rem/1 var(--display); transition: background .35s ease; }

.stanza--closing { margin-bottom: clamp(3.5rem, 7vw, 5rem); }
.refrain--final { border: 1px solid var(--line); border-top-color: var(--gold); background: var(--gold-soft); text-align: center; }
.refrain--final .refrain__mark { left: 50%; top: -.38rem; transform: translateX(-50%); padding: 0 1rem; }

.site-footer {
  position: relative;
  padding: 5rem 1.5rem 6rem;
  border-top: 1px solid var(--line);
  text-align: center;
  background: color-mix(in srgb, var(--bg) 82%, black);
}

.site-footer .ornament { margin-bottom: 2.5rem; }
.site-footer p { margin: 0 0 .45rem; color: var(--gold); font: 400 1.2rem/1.4 var(--display); }
.site-footer > span { color: var(--ink-soft); font: italic .92rem/1.4 var(--text); }
.to-top { display: grid; place-items: center; width: 2.8rem; height: 2.8rem; margin: 2.6rem auto 0; border: 1px solid var(--line); border-radius: 50%; color: var(--gold); text-decoration: none; transition: transform .2s ease, border-color .2s ease; }
.to-top:hover { transform: translateY(-.25rem); border-color: var(--gold); }

.js .reveal { opacity: 0; transform: translateY(2rem); transition: opacity .9s ease, transform .9s cubic-bezier(.2,.7,.2,1); }
.js .reveal.is-visible { opacity: 1; transform: none; }

@media (max-width: 720px) {
  .theme-toggle { top: 1rem; right: 1rem; width: 2.7rem; height: 2.7rem; }
  .hero { min-height: 94svh; padding: 6rem 1.35rem 5rem; align-items: end; }
  .hero__content { width: 100%; }
  h1 { font-size: clamp(4rem, 20vw, 6.5rem); }
  h1 span:last-child { transform: translateX(.12em); }
  .hero__kind { margin-left: 1.2rem; }
  .moon { top: 9%; right: 5%; width: 10rem; }
  .oak-silhouette { right: -12rem; bottom: 0; width: 34rem; height: 75%; opacity: .72; }
  .scroll-cue { margin-top: 4rem; }
  .poem-wrap { padding-inline: 1.25rem; }
  .poem-wrap::before { left: -5rem; font-size: 28rem; }
  .stanza { padding-left: 0; }
  .stanza::before { display: none; }
  .stanza span, .refrain span { line-height: 1.62; }
}

@media (max-width: 430px) {
  .eyebrow { letter-spacing: .22em; }
  .eyebrow::before { width: 1.7rem; }
  .stanza span, .refrain span { display: inline; }
  .stanza span::after, .refrain span::after { content: "\A"; white-space: pre; }
  .refrain { padding-inline: 1.1rem .5rem; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}