@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,400;0,500;1,400;1,500&family=Manrope:wght@400;500&display=swap');

:root {
  color-scheme: light;
  --ink: #25201c;
  --muted: #756b61;
  --paper: #f1eadf;
  --paper-deep: #e6dacc;
  --accent: #8f2e2e;
  --line: rgba(37, 32, 28, 0.2);
  --display: "Cormorant Garamond", Georgia, serif;
  --sans: "Manrope", Arial, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 18%, rgba(255,255,255,.65), transparent 28rem),
    linear-gradient(135deg, var(--paper) 0%, var(--paper-deep) 100%);
  font-family: var(--display);
  transition: color .6s ease, background .6s ease;
}

body.is-night {
  color-scheme: dark;
  --ink: #eee6d9;
  --muted: #b1a698;
  --paper: #171716;
  --paper-deep: #25211f;
  --accent: #c67b68;
  --line: rgba(238, 230, 217, 0.18);
}

.paper-noise {
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: .12;
  z-index: 10;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.3'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}

.site-header {
  position: absolute;
  z-index: 20;
  top: 0;
  left: 0;
  width: 100%;
  padding: 1.7rem clamp(1.4rem, 5vw, 5rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.monogram {
  display: grid;
  place-items: center;
  width: 2.8rem;
  aspect-ratio: 1;
  border: 1px solid currentColor;
  border-radius: 50%;
  color: inherit;
  font-size: .8rem;
  letter-spacing: .08em;
  text-decoration: none;
}

.theme-toggle {
  display: flex;
  align-items: center;
  gap: .65rem;
  padding: .65rem .9rem;
  border: 0;
  color: inherit;
  background: transparent;
  font: 500 .7rem/1 var(--sans);
  letter-spacing: .14em;
  text-transform: uppercase;
  cursor: pointer;
}

.theme-toggle__icon { font: 1.25rem/1 var(--display); }

.hero {
  min-height: 100svh;
  padding: 8rem 1.5rem 5rem;
  display: grid;
  place-content: center;
  position: relative;
  text-align: center;
  overflow: hidden;
}

.hero__ornament {
  position: absolute;
  left: 50%;
  top: 50%;
  width: min(72vw, 43rem);
  aspect-ratio: 1;
  border: 1px solid var(--line);
  border-radius: 50%;
  transform: translate(-50%, -50%);
}

.hero__ornament::before,
.hero__ornament::after {
  content: "";
  position: absolute;
  inset: 8%;
  border: 1px solid var(--line);
  border-radius: 50%;
}

.hero__ornament::after { inset: 16%; }

.eyebrow {
  position: relative;
  margin: 0 0 1.5rem;
  color: var(--accent);
  font: 500 .7rem/1 var(--sans);
  letter-spacing: .28em;
  text-transform: uppercase;
}

h1 {
  position: relative;
  margin: 0;
  font-size: clamp(4.4rem, 12vw, 10.5rem);
  font-weight: 400;
  font-style: italic;
  line-height: .82;
  letter-spacing: -.055em;
}

.author {
  position: relative;
  margin: 2rem 0 0;
  color: var(--muted);
  font-size: clamp(1.05rem, 2vw, 1.35rem);
  letter-spacing: .04em;
}

.scroll-cue {
  position: absolute;
  left: 50%;
  bottom: 1.8rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .7rem;
  color: var(--muted);
  font: 500 .62rem/1 var(--sans);
  letter-spacing: .22em;
  text-decoration: none;
  text-transform: uppercase;
  transform: translateX(-50%);
}

.scroll-cue__line {
  width: 1px;
  height: 2.4rem;
  background: currentColor;
  transform-origin: top;
  animation: breathe 2s ease-in-out infinite;
}

.poem {
  position: relative;
  min-height: 100svh;
  padding: clamp(7rem, 13vw, 11rem) clamp(1.5rem, 10vw, 10rem);
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(19rem, 44rem) minmax(0, 1fr);
  align-items: start;
  border-top: 1px solid var(--line);
}

.poem__number {
  color: var(--accent);
  font: 500 .72rem/1 var(--sans);
  letter-spacing: .15em;
}

.poem__text { grid-column: 2; }

.verse {
  margin: 0 0 3rem;
  font-size: clamp(1.6rem, 3.5vw, 3.15rem);
  font-weight: 400;
  line-height: 1.5;
}

.verse span {
  display: block;
  opacity: 0;
  transform: translateY(1rem);
  transition: opacity .8s ease, transform .8s ease;
}

.poem.is-visible .verse span { opacity: 1; transform: translateY(0); }
.poem.is-visible .verse span:nth-child(2) { transition-delay: .12s; }
.poem.is-visible .verse span:nth-child(3) { transition-delay: .24s; }
.poem.is-visible .verse span:nth-child(4) { transition-delay: .36s; }

.flourish {
  grid-column: 2;
  color: var(--accent);
  font-size: 2rem;
  text-align: center;
}

.afterword {
  padding: clamp(7rem, 14vw, 12rem) 1.5rem;
  border-top: 1px solid var(--line);
  text-align: center;
}

.afterword__quote {
  max-width: 19ch;
  margin: 0 auto;
  font-size: clamp(2.6rem, 7vw, 6rem);
  font-style: italic;
  line-height: .98;
}

.afterword__rule {
  width: 4rem;
  height: 1px;
  margin: 3rem auto;
  background: var(--accent);
}

.afterword__note {
  max-width: 34rem;
  margin: 0 auto;
  color: var(--muted);
  font-size: 1.1rem;
  line-height: 1.7;
}

footer {
  padding: 1.8rem clamp(1.4rem, 5vw, 5rem);
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font: 500 .65rem/1 var(--sans);
  letter-spacing: .14em;
  text-transform: uppercase;
}

@keyframes breathe {
  0%, 100% { transform: scaleY(.35); opacity: .45; }
  50% { transform: scaleY(1); opacity: 1; }
}

@media (max-width: 700px) {
  .poem { grid-template-columns: 1fr; }
  .poem__number { margin-bottom: 2rem; }
  .poem__text, .flourish { grid-column: 1; }
  .verse { font-size: clamp(1.35rem, 6vw, 1.8rem); line-height: 1.65; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  .scroll-cue__line { animation: none; }
  .verse span { opacity: 1; transform: none; transition: none; }
}