:root {
  --ink: #211b22;
  --muted: #756871;
  --paper: #fffaf4;
  --page: #fffdf8;
  --rose: #d85773;
  --wine: #5b1f31;
  --plum: #2a1730;
  --teal: #1e7b79;
  --mint: #ddf0ec;
  --gold: #c49346;
  --line: rgba(91, 31, 49, 0.16);
  --shadow: 0 22px 60px rgba(55, 23, 37, 0.18);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  color: var(--ink);
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  letter-spacing: 0;
  background:
    linear-gradient(115deg, rgba(216, 87, 115, 0.16), transparent 30%),
    linear-gradient(245deg, rgba(30, 123, 121, 0.15), transparent 36%),
    #fff8f3;
  overflow-x: hidden;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: -1;
  background-image:
    linear-gradient(rgba(91, 31, 49, 0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 123, 121, 0.035) 1px, transparent 1px);
  background-size: 36px 36px;
  mask-image: linear-gradient(to bottom, transparent, black 18%, black 82%, transparent);
}

img {
  display: block;
  max-width: 100%;
}

button,
a {
  font: inherit;
}

a {
  color: inherit;
  text-decoration: none;
}

.hero {
  position: relative;
  min-height: 82svh;
  display: grid;
  align-items: center;
  padding: 7rem 1.25rem 4.5rem;
  color: white;
  overflow: hidden;
}

.hero-photo,
.hero-veil {
  position: absolute;
  inset: 0;
}

.hero-photo {
  background: url("imagens/capa.jpg") center / cover no-repeat;
  transform: scale(1.04);
  animation: heroDrift 22s ease-in-out infinite alternate;
}

.hero-veil {
  background:
    linear-gradient(90deg, rgba(36, 15, 28, 0.88), rgba(36, 15, 28, 0.54) 52%, rgba(36, 15, 28, 0.78)),
    linear-gradient(180deg, rgba(36, 15, 28, 0.12), rgba(36, 15, 28, 0.88));
}

.top-nav {
  position: absolute;
  top: 1rem;
  left: 50%;
  z-index: 2;
  display: flex;
  gap: 0.5rem;
  transform: translateX(-50%);
}

.top-nav a {
  display: inline-flex;
  align-items: center;
  min-height: 2.5rem;
  padding: 0 1rem;
  border: 1px solid rgba(255, 255, 255, 0.26);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.1);
  color: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(14px);
  transition: transform 180ms ease, background 180ms ease;
}

.top-nav a:hover {
  background: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.hero-content {
  position: relative;
  z-index: 1;
  width: min(760px, 100%);
  margin: 0 auto;
  text-align: center;
}

.eyebrow {
  margin: 0 0 0.8rem;
  color: var(--teal);
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0;
  text-transform: uppercase;
}

.hero .eyebrow {
  color: #8ee4d9;
}

h1,
h2 {
  margin: 0;
  font-family: "Playfair Display", Georgia, serif;
  line-height: 1.04;
  letter-spacing: 0;
}

h1 {
  font-size: 4.8rem;
  text-wrap: balance;
  text-shadow: 0 14px 40px rgba(0, 0, 0, 0.35);
}

h2 {
  font-size: 2.65rem;
  color: var(--wine);
}

.hero-text {
  width: min(620px, 100%);
  margin: 1.15rem auto 0;
  color: rgba(255, 255, 255, 0.88);
  font-size: 1.18rem;
  line-height: 1.7;
}

.counter-panel {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 0.65rem;
  width: min(760px, 100%);
  margin: 2rem auto 0;
}

.counter-box {
  min-width: 0;
  padding: 1rem 0.7rem;
  border: 1px solid rgba(255, 255, 255, 0.24);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.12);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(16px);
}

.counter-box strong {
  display: block;
  overflow: hidden;
  color: white;
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
  text-overflow: ellipsis;
}

.counter-box span {
  display: block;
  margin-top: 0.35rem;
  overflow: hidden;
  color: rgba(255, 255, 255, 0.76);
  font-size: 0.78rem;
  font-weight: 800;
  text-overflow: ellipsis;
  text-transform: none;
  white-space: nowrap;
}

.counter-phrase {
  min-height: 1.5rem;
  margin: 1rem 0 0;
  color: rgba(255, 255, 255, 0.84);
  font-weight: 600;
}

.hero-actions,
.book-controls {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-actions {
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.6rem;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  min-height: 3rem;
  padding: 0 1.15rem;
  border: 0;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 800;
  transition: transform 180ms ease, box-shadow 180ms ease, background 180ms ease;
}

.button:hover {
  transform: translateY(-2px);
}

.button-primary {
  background: var(--rose);
  color: white;
  box-shadow: 0 14px 30px rgba(216, 87, 115, 0.32);
}

.button-primary:hover {
  background: #c94664;
}

.button-soft {
  border: 1px solid rgba(255, 255, 255, 0.28);
  background: rgba(255, 255, 255, 0.12);
  color: white;
  backdrop-filter: blur(12px);
}

.scroll-cue {
  position: absolute;
  bottom: 1rem;
  left: 50%;
  z-index: 2;
  display: grid;
  width: 2.6rem;
  height: 2.6rem;
  place-items: center;
  border: 1px solid rgba(255, 255, 255, 0.28);
  border-radius: 50%;
  color: white;
  font-size: 1.35rem;
  transform: translateX(-50%);
  animation: cueFloat 1.8s ease-in-out infinite;
}

main {
  position: relative;
}

section {
  padding: 5.5rem 1.25rem;
}

.love-letter {
  padding-top: 4rem;
}

.letter-paper {
  position: relative;
  width: min(920px, 100%);
  margin: 0 auto;
  padding: 3rem;
  border: 1px solid var(--line);
  border-radius: 8px;
  background:
    linear-gradient(90deg, rgba(196, 147, 70, 0.1) 1px, transparent 1px) 0 0 / 32px 32px,
    linear-gradient(var(--paper), var(--paper));
  box-shadow: var(--shadow);
}

.letter-paper::before {
  content: "";
  position: absolute;
  inset: 0.7rem;
  border: 1px solid rgba(196, 147, 70, 0.28);
  border-radius: 6px;
  pointer-events: none;
}

.script-line {
  margin: 0 0 0.75rem;
  color: var(--rose);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.55rem;
}

.letter-paper h2 {
  max-width: 720px;
}

.letter-paper p:not(.script-line) {
  max-width: 710px;
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 1.08rem;
  line-height: 1.8;
}

.secret-button {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-height: 2.8rem;
  margin-top: 1.5rem;
  padding: 0 1rem;
  border: 1px solid rgba(91, 31, 49, 0.15);
  border-radius: 8px;
  background: #fff;
  color: var(--wine);
  cursor: pointer;
  font-weight: 800;
  box-shadow: 0 12px 24px rgba(91, 31, 49, 0.08);
}

.album-section {
  padding-top: 3rem;
}

.section-heading {
  width: min(960px, 100%);
  margin: 0 auto 1.6rem;
  text-align: center;
}

.section-heading .eyebrow {
  margin-bottom: 0.55rem;
}

.book-controls {
  position: sticky;
  top: 0.7rem;
  z-index: 5;
  gap: 0.5rem;
  width: min(720px, calc(100% - 1.5rem));
  margin: 0 auto 1rem;
  padding: 0.55rem;
  border: 1px solid rgba(91, 31, 49, 0.12);
  border-radius: 8px;
  background: rgba(255, 250, 244, 0.84);
  box-shadow: 0 14px 34px rgba(55, 23, 37, 0.12);
  backdrop-filter: blur(16px);
}

.icon-button {
  position: relative;
  display: grid;
  width: 2.65rem;
  height: 2.65rem;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: var(--wine);
  color: white;
  cursor: pointer;
  font-size: 1.45rem;
  line-height: 1;
  transition: transform 160ms ease, background 160ms ease, opacity 160ms ease;
}

.icon-button:hover {
  background: var(--rose);
  transform: translateY(-1px);
}

.icon-button:disabled {
  cursor: not-allowed;
  opacity: 0.42;
  transform: none;
}

.icon-button::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: calc(100% + 0.45rem);
  left: 50%;
  padding: 0.3rem 0.45rem;
  border-radius: 6px;
  background: var(--ink);
  color: white;
  font-size: 0.72rem;
  opacity: 0;
  pointer-events: none;
  transform: translate(-50%, 4px);
  transition: opacity 160ms ease, transform 160ms ease;
  white-space: nowrap;
}

.icon-button:hover::after {
  opacity: 1;
  transform: translate(-50%, 0);
}

.page-label {
  flex: 1;
  min-width: 0;
  margin: 0;
  overflow: hidden;
  color: var(--wine);
  font-weight: 800;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.book-shell {
  position: relative;
  width: min(1180px, 100%);
  margin: 0 auto;
  perspective: 1600px;
  touch-action: pan-y;
}

.book-spine {
  position: absolute;
  top: 1rem;
  bottom: 1rem;
  left: 50%;
  z-index: 3;
  width: 0.55rem;
  border-radius: 999px;
  background: linear-gradient(90deg, rgba(91, 31, 49, 0.15), rgba(255, 255, 255, 0.7), rgba(91, 31, 49, 0.18));
  box-shadow: 0 0 18px rgba(91, 31, 49, 0.15);
  transform: translateX(-50%);
  pointer-events: none;
}

.book-stage {
  position: relative;
  height: 680px;
  overflow: hidden;
  perspective: 1800px;
  contain: layout paint;
  touch-action: pan-y;
  transform-style: preserve-3d;
}

.book-spread {
  position: absolute;
  inset: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 0;
  border-radius: 8px;
  box-shadow: var(--shadow);
  transform-style: preserve-3d;
  will-change: opacity, transform;
}

.spread-under,
.spread-turning {
  pointer-events: none;
}

.spread-under {
  z-index: 1;
  opacity: 1;
  transform: none;
}

.spread-under.under-reveal {
  animation: underReveal 760ms cubic-bezier(0.2, 0.72, 0.18, 1) forwards;
}

.spread-turning {
  z-index: 2;
}

.page-sheet {
  position: absolute;
  top: 0;
  bottom: 0;
  z-index: 5;
  width: 50%;
  border: 1px solid rgba(91, 31, 49, 0.13);
  background:
    linear-gradient(90deg, rgba(91, 31, 49, 0.08), transparent 18%, rgba(255, 255, 255, 0.6) 78%),
    linear-gradient(var(--page), var(--page));
  box-shadow: 0 16px 30px rgba(35, 18, 27, 0.2);
  contain: layout paint;
  opacity: 0;
  pointer-events: none;
  transform: translateZ(0);
  transform-style: flat;
  will-change: transform, opacity;
}

.page-sheet::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(35, 18, 27, 0.2), transparent 18%, rgba(255, 255, 255, 0.46));
  opacity: 0;
  will-change: opacity;
  animation: sheetShadow 760ms cubic-bezier(0.2, 0.72, 0.18, 1) forwards;
}

.sheet-next {
  left: 50%;
  border-radius: 0 8px 8px 0;
  transform-origin: left center;
}

.sheet-prev {
  left: 0;
  border-radius: 8px 0 0 8px;
  transform-origin: right center;
}

.sheet-next.sheet-turning {
  animation: pageFlipNext 760ms cubic-bezier(0.2, 0.72, 0.18, 1) forwards;
}

.sheet-prev.sheet-turning {
  animation: pageFlipPrev 760ms cubic-bezier(0.2, 0.72, 0.18, 1) forwards;
}

.book-page {
  position: relative;
  min-width: 0;
  padding: 2.2rem;
  border: 1px solid rgba(91, 31, 49, 0.12);
  background:
    linear-gradient(90deg, rgba(91, 31, 49, 0.045) 1px, transparent 1px) 0 0 / 30px 30px,
    linear-gradient(var(--page), var(--page));
  backface-visibility: hidden;
  overflow: hidden;
  transform-style: preserve-3d;
}

.book-page:first-child {
  border-radius: 8px 0 0 8px;
}

.book-page:last-child {
  border-radius: 0 8px 8px 0;
}

.book-page::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(90deg, rgba(91, 31, 49, 0.08), transparent 10%, transparent 90%, rgba(91, 31, 49, 0.08));
}

.summary-cover {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  justify-content: space-between;
  color: white;
  background:
    linear-gradient(145deg, rgba(42, 23, 48, 0.94), rgba(91, 31, 49, 0.92)),
    var(--plum);
}

.summary-cover::before {
  content: "";
  position: absolute;
  inset: 1rem;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 6px;
}

.summary-cover h3,
.month-info h3 {
  margin: 0;
  font-family: "Playfair Display", Georgia, serif;
  font-size: 2.45rem;
  line-height: 1.05;
  letter-spacing: 0;
}

.summary-cover p,
.month-info p {
  color: rgba(255, 255, 255, 0.78);
  line-height: 1.75;
}

.summary-cover p {
  position: relative;
  z-index: 1;
  max-width: 420px;
}

.book-mark {
  position: absolute;
  top: 0;
  right: 2rem;
  width: 2rem;
  height: 7rem;
  background: var(--rose);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 50% 76%, 0 100%);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.16);
}

.toc-page {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.toc-intro {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.toc-years {
  display: grid;
  gap: 1rem;
  overflow: auto;
  padding-right: 0.3rem;
}

.year-block {
  display: grid;
  gap: 0.55rem;
}

.year-title {
  margin: 0;
  color: var(--wine);
  font-size: 0.88rem;
  font-weight: 800;
  text-transform: uppercase;
}

.month-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.5rem;
}

.toc-month {
  display: grid;
  min-height: 4.1rem;
  padding: 0.6rem;
  border: 1px solid rgba(91, 31, 49, 0.12);
  border-radius: 8px;
  background: white;
  color: var(--ink);
  cursor: pointer;
  text-align: left;
  transition: transform 160ms ease, border-color 160ms ease, box-shadow 160ms ease;
}

.toc-month:hover {
  border-color: rgba(216, 87, 115, 0.45);
  box-shadow: 0 12px 22px rgba(91, 31, 49, 0.08);
  transform: translateY(-2px);
}

.toc-month strong,
.toc-month span {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.toc-month strong {
  font-size: 0.92rem;
}

.toc-month span {
  color: var(--muted);
  font-size: 0.78rem;
}

.toc-month.has-photo {
  border-color: rgba(30, 123, 121, 0.38);
}

.toc-month.is-current {
  background: var(--mint);
}

.photo-page {
  display: grid;
  gap: 1rem;
  align-content: center;
}

.month-photo {
  position: relative;
  display: grid;
  min-height: 460px;
  padding: 1rem 1rem 4rem;
  border: 1px solid rgba(91, 31, 49, 0.14);
  border-radius: 8px;
  background: white;
  box-shadow: 0 20px 36px rgba(91, 31, 49, 0.12);
}

.month-photo img {
  width: 100%;
  height: 100%;
  min-height: 360px;
  border-radius: 6px;
  object-fit: cover;
  opacity: 0;
  transition: opacity 260ms ease;
}

.month-photo.has-photo img {
  cursor: zoom-in;
  opacity: 1;
}

.month-photo figcaption {
  position: absolute;
  right: 1rem;
  bottom: 1.1rem;
  left: 1rem;
  color: var(--wine);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.25rem;
  font-weight: 700;
  text-align: center;
}

.photo-placeholder {
  position: absolute;
  inset: 1rem 1rem 4rem;
  display: grid;
  place-items: center;
  border: 1px dashed rgba(91, 31, 49, 0.28);
  border-radius: 6px;
  background:
    linear-gradient(135deg, rgba(216, 87, 115, 0.08), transparent),
    linear-gradient(225deg, rgba(30, 123, 121, 0.08), transparent),
    #fff;
  color: var(--muted);
  cursor: pointer;
  text-align: center;
  transition: opacity 220ms ease;
}

.month-photo.has-photo .photo-placeholder {
  opacity: 0;
  pointer-events: none;
}

.photo-placeholder strong {
  display: block;
  color: var(--wine);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.7rem;
}

.photo-placeholder span {
  display: block;
  margin-top: 0.35rem;
  font-size: 0.92rem;
}

.month-info {
  display: flex;
  min-height: 100%;
  flex-direction: column;
  justify-content: space-between;
  background:
    linear-gradient(145deg, rgba(91, 31, 49, 0.94), rgba(42, 23, 48, 0.96)),
    var(--wine);
  color: white;
}

.month-info .eyebrow {
  color: #8ee4d9;
}

.month-info p {
  max-width: 420px;
}

.month-meta {
  display: grid;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

.month-meta > span {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.75rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  color: rgba(255, 255, 255, 0.78);
}

.month-meta > span > span {
  color: rgba(255, 255, 255, 0.78);
}

.month-meta strong {
  color: white;
}

.page-note {
  margin-top: auto;
  color: rgba(255, 255, 255, 0.72);
  font-size: 0.92rem;
}

.turn-page-next .book-page:first-child {
  animation: stillPageFade 760ms cubic-bezier(0.2, 0.72, 0.18, 1) forwards;
}

.turn-page-next .book-page:last-child {
  animation: turningSourceFade 240ms ease forwards;
}

.turn-page-prev .book-page:first-child {
  animation: turningSourceFade 240ms ease forwards;
}

.turn-page-prev .book-page:last-child {
  animation: stillPageFade 760ms cubic-bezier(0.2, 0.72, 0.18, 1) forwards;
}

.print-section {
  padding-bottom: 6rem;
}

.print-layout {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 430px);
  gap: 2rem;
  align-items: center;
  width: min(1040px, 100%);
  margin: 0 auto;
}

.print-copy {
  color: var(--muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.print-copy p {
  max-width: 560px;
}

.photo-card {
  width: min(100%, 400px);
  aspect-ratio: 2 / 3;
  margin: 0 auto;
  padding: 1rem;
  border: 1px solid rgba(91, 31, 49, 0.16);
  border-radius: 8px;
  background:
    linear-gradient(180deg, rgba(216, 87, 115, 0.12), transparent 34%),
    linear-gradient(135deg, rgba(30, 123, 121, 0.13), transparent 45%),
    var(--paper);
  box-shadow: var(--shadow);
}

.photo-card-top,
.photo-card-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.photo-card-top p,
.photo-card-top span {
  margin: 0;
}

.photo-card-top p {
  color: var(--wine);
  font-family: "Playfair Display", Georgia, serif;
  font-size: 1.3rem;
  font-weight: 800;
}

.photo-card-top span,
.photo-card-bottom span {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 700;
}

.print-photo-frame {
  position: relative;
  display: grid;
  height: 66%;
  margin: 0.9rem 0;
  place-items: center;
  border: 1px solid rgba(91, 31, 49, 0.16);
  border-radius: 8px;
  background: white;
  overflow: hidden;
}

.print-photo-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
}

.print-photo-frame.has-image img {
  opacity: 1;
}

.print-empty {
  position: absolute;
  display: grid;
  width: calc(100% - 1.4rem);
  height: calc(100% - 1.4rem);
  place-items: center;
  border: 1px dashed rgba(91, 31, 49, 0.25);
  border-radius: 6px;
  color: var(--muted);
  font-weight: 800;
}

.print-photo-frame.has-image .print-empty {
  display: none;
}

.photo-card-bottom strong {
  display: block;
  color: var(--wine);
}

.qr-frame {
  position: relative;
  display: grid;
  width: 5.4rem;
  aspect-ratio: 1;
  place-items: center;
  border: 1px solid rgba(91, 31, 49, 0.16);
  border-radius: 6px;
  background: white;
  overflow: hidden;
}

.qr-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0;
}

.qr-frame.has-image img {
  opacity: 1;
}

.qr-frame.has-image .qr-placeholder {
  display: none;
}

.qr-placeholder {
  display: grid;
  width: 4.1rem;
  aspect-ratio: 1;
  grid-template-columns: repeat(5, 1fr);
  gap: 0.16rem;
}

.qr-placeholder span {
  border-radius: 2px;
  background: var(--ink);
}

.qr-placeholder span:nth-child(2),
.qr-placeholder span:nth-child(4),
.qr-placeholder span:nth-child(8),
.qr-placeholder span:nth-child(11),
.qr-placeholder span:nth-child(14),
.qr-placeholder span:nth-child(17),
.qr-placeholder span:nth-child(21),
.qr-placeholder span:nth-child(23) {
  background: transparent;
}

.modal {
  position: fixed;
  inset: 0;
  z-index: 30;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.2rem;
  background: rgba(25, 16, 24, 0.82);
  backdrop-filter: blur(14px);
}

.modal.is-open {
  display: flex;
}

.modal-figure {
  width: min(920px, 100%);
  margin: 0;
}

.modal-figure img {
  width: 100%;
  max-height: 82svh;
  border-radius: 8px;
  object-fit: contain;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.38);
}

.modal-figure figcaption {
  margin-top: 0.8rem;
  color: white;
  font-weight: 800;
  text-align: center;
}

.modal-close,
.modal-arrow {
  position: fixed;
  z-index: 2;
  display: grid;
  place-items: center;
  border: 0;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.14);
  color: white;
  cursor: pointer;
  backdrop-filter: blur(12px);
}

.modal-close {
  top: 1rem;
  right: 1rem;
  width: 2.9rem;
  height: 2.9rem;
  font-size: 1.7rem;
}

.modal-arrow {
  top: 50%;
  width: 3rem;
  height: 3.8rem;
  font-size: 2rem;
  transform: translateY(-50%);
}

.modal-prev {
  left: 1rem;
}

.modal-next {
  right: 1rem;
}

.toast {
  position: fixed;
  right: 1rem;
  bottom: 1rem;
  z-index: 40;
  max-width: min(360px, calc(100% - 2rem));
  padding: 0.9rem 1rem;
  border-radius: 8px;
  background: var(--wine);
  color: white;
  box-shadow: 0 18px 40px rgba(55, 23, 37, 0.22);
  opacity: 0;
  pointer-events: none;
  transform: translateY(10px);
  transition: opacity 200ms ease, transform 200ms ease;
}

.toast.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.heart-particle {
  position: fixed;
  bottom: -2rem;
  z-index: 20;
  color: rgba(216, 87, 115, 0.72);
  font-size: 1rem;
  pointer-events: none;
  animation: heartRise linear forwards;
}

footer {
  padding: 2rem 1rem;
  color: var(--muted);
  text-align: center;
}

.reveal {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity 700ms ease, transform 700ms ease;
}

.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

@keyframes heroDrift {
  from {
    transform: scale(1.04) translateX(-1%);
  }

  to {
    transform: scale(1.1) translateX(1%);
  }
}

@keyframes cueFloat {
  0%,
  100% {
    transform: translate(-50%, 0);
  }

  50% {
    transform: translate(-50%, -6px);
  }
}

@keyframes underReveal {
  0% {
    opacity: 1;
    transform: none;
  }

  100% {
    opacity: 1;
    transform: none;
  }
}

@keyframes pageFlipNext {
  0% {
    opacity: 1;
    transform: rotateY(0deg);
  }

  24% {
    opacity: 1;
    transform: rotateY(-48deg) translateZ(2px) skewY(-0.7deg);
  }

  50% {
    opacity: 1;
    transform: rotateY(-106deg) translateZ(2px) skewY(-0.45deg);
  }

  76% {
    opacity: 0.92;
    transform: rotateY(-154deg) translateZ(1px);
  }

  100% {
    opacity: 0;
    transform: rotateY(-178deg);
  }
}

@keyframes pageFlipPrev {
  0% {
    opacity: 1;
    transform: rotateY(0deg);
  }

  24% {
    opacity: 1;
    transform: rotateY(48deg) translateZ(2px) skewY(0.7deg);
  }

  50% {
    opacity: 1;
    transform: rotateY(106deg) translateZ(2px) skewY(0.45deg);
  }

  76% {
    opacity: 0.92;
    transform: rotateY(154deg) translateZ(1px);
  }

  100% {
    opacity: 0;
    transform: rotateY(178deg);
  }
}

@keyframes turningSourceFade {
  to {
    opacity: 0;
  }
}

@keyframes stillPageFade {
  0%,
  72% {
    opacity: 1;
  }

  100% {
    opacity: 0;
  }
}

@keyframes sheetShadow {
  0% {
    opacity: 0.12;
  }

  46% {
    opacity: 0.34;
  }

  100% {
    opacity: 0;
  }
}

@keyframes heartRise {
  from {
    opacity: 0;
    transform: translateY(0) rotate(0deg) scale(0.85);
  }

  18% {
    opacity: 0.85;
  }

  to {
    opacity: 0;
    transform: translateY(-110vh) rotate(28deg) scale(1.3);
  }
}

@media (max-width: 860px) {
  .hero {
    padding-top: 6rem;
  }

  h1 {
    font-size: 3.2rem;
  }

  h2 {
    font-size: 2.05rem;
  }

  .counter-panel {
    gap: 0.45rem;
  }

  .icon-button:hover {
    background: var(--wine);
    transform: none;
  }

  .icon-button:active {
    background: var(--rose);
    transform: scale(0.96);
  }

  .icon-button::after {
    display: none;
  }

  .book-stage {
    height: clamp(260px, 66vw, 470px);
    min-height: 0;
    overflow: hidden;
    perspective: 1200px;
    touch-action: pan-y;
    transform-style: preserve-3d;
  }

  .book-spread {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  }

  .book-spine {
    display: block;
    top: 0.5rem;
    bottom: 0.5rem;
    width: 0.32rem;
  }

  .book-page {
    padding: clamp(0.45rem, 1.7vw, 1rem);
    overflow: hidden;
  }

  .summary-cover h3,
  .month-info h3 {
    font-size: clamp(0.92rem, 3vw, 1.55rem);
  }

  .summary-cover p,
  .month-info p,
  .toc-intro {
    font-size: clamp(0.52rem, 1.7vw, 0.78rem);
    line-height: 1.35;
  }

  .summary-cover::before {
    inset: 0.42rem;
  }

  .book-mark {
    right: 0.8rem;
    width: 0.8rem;
    height: 3.4rem;
  }

  .toc-page {
    gap: 0.35rem;
  }

  .toc-page .toc-intro {
    display: none;
  }

  .toc-years {
    gap: 0.2rem;
    min-height: 0;
    overflow: hidden;
    padding-right: 0;
  }

  .year-block {
    gap: 0.18rem;
  }

  .year-title {
    font-size: clamp(0.45rem, 1.4vw, 0.62rem);
  }

  .month-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.15rem;
  }

  .toc-month {
    min-height: 1.18rem;
    padding: 0.12rem 0.16rem;
    border-radius: 5px;
  }

  .toc-month strong {
    font-size: clamp(0.42rem, 1.35vw, 0.58rem);
  }

  .toc-month span {
    display: none;
  }

  .photo-page {
    align-content: stretch;
  }

  .month-photo {
    height: 100%;
    min-height: 0;
    margin: 0;
    padding: 0.35rem 0.35rem 1.35rem;
    border-radius: 6px;
    box-shadow: 0 10px 22px rgba(91, 31, 49, 0.1);
  }

  .month-photo img {
    min-height: 0;
    border-radius: 4px;
  }

  .photo-placeholder {
    inset: 0.35rem 0.35rem 1.35rem;
    border-radius: 4px;
  }

  .photo-placeholder strong {
    font-size: clamp(0.72rem, 2.4vw, 1.05rem);
  }

  .photo-placeholder span {
    font-size: clamp(0.45rem, 1.5vw, 0.62rem);
  }

  .month-photo figcaption {
    right: 0.35rem;
    bottom: 0.4rem;
    left: 0.35rem;
    font-size: clamp(0.52rem, 1.8vw, 0.75rem);
  }

  .month-info .eyebrow,
  .summary-cover .eyebrow,
  .toc-page .eyebrow {
    margin-bottom: 0.25rem;
    font-size: clamp(0.42rem, 1.35vw, 0.58rem);
  }

  .month-meta {
    gap: 0.18rem;
    margin-top: 0.45rem;
  }

  .month-meta > span {
    min-width: 0;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.3rem;
    padding: 0.28rem 0;
    font-size: clamp(0.45rem, 1.45vw, 0.62rem);
  }

  .month-meta strong,
  .month-meta > span > span {
    max-width: 100%;
    overflow-wrap: anywhere;
  }

  .page-note {
    font-size: clamp(0.45rem, 1.45vw, 0.62rem);
    line-height: 1.35;
  }

  .print-layout {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .top-nav {
    right: 0.8rem;
    left: 0.8rem;
    justify-content: center;
    transform: none;
  }

  .top-nav a {
    flex: 1;
    justify-content: center;
    padding: 0 0.7rem;
  }

  .hero {
    min-height: 86svh;
    padding-right: 1rem;
    padding-left: 1rem;
  }

  h1 {
    font-size: 2.72rem;
  }

  .hero-text,
  .letter-paper p:not(.script-line) {
    font-size: 1rem;
  }

  .counter-box {
    padding: 0.8rem 0.35rem;
  }

  .counter-box strong {
    font-size: 1.35rem;
  }

  .counter-box span {
    font-size: 0.58rem;
  }

  section {
    padding-right: 0.9rem;
    padding-left: 0.9rem;
  }

  .letter-paper {
    padding: 1.25rem;
  }

  .book-page {
    padding: 0.42rem;
  }

  .month-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .book-controls {
    width: calc(100% - 0.8rem);
  }

  .page-label {
    font-size: 0.88rem;
  }

  .book-stage {
    height: clamp(255px, 72vw, 350px);
    min-height: 0;
  }

  .summary-cover h3,
  .month-info h3 {
    font-size: clamp(0.82rem, 4vw, 1.15rem);
  }

  .book-mark {
    right: 0.5rem;
    width: 0.62rem;
    height: 2.7rem;
  }

  .month-photo {
    min-height: 0;
    padding: 0.28rem 0.28rem 1.15rem;
  }

  .photo-placeholder {
    inset: 0.28rem 0.28rem 1.15rem;
  }

  .modal {
    padding: 0.7rem;
  }

  .modal-close {
    top: 0.8rem;
    right: 0.8rem;
    z-index: 2;
    width: 3rem;
    height: 3rem;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
  }

  .modal-figure img {
    max-height: 78svh;
  }

  .modal-arrow {
    top: auto;
    bottom: 1rem;
    transform: none;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}

@media print {
  @page {
    size: 10cm 15cm;
    margin: 0;
  }

  *,
  *::before,
  *::after {
    animation: none !important;
    transition: none !important;
  }

  html,
  body {
    width: 10cm;
    height: 15cm;
    margin: 0;
    background: white;
    overflow: hidden;
    print-color-adjust: exact;
    -webkit-print-color-adjust: exact;
  }

  body::before,
  .heart-particle {
    display: none !important;
  }

  body > header,
  body > footer,
  body > .modal,
  body > .toast,
  .love-letter,
  .album-section,
  .print-section > .section-heading,
  .print-copy {
    display: none !important;
  }

  main,
  .print-section,
  .print-layout {
    display: block;
    width: 10cm;
    height: 15cm;
    margin: 0;
    padding: 0;
    overflow: hidden;
    opacity: 1 !important;
    transform: none !important;
  }

  .photo-card {
    width: 10cm;
    height: 14.98cm;
    margin: 0;
    border: 0;
    border-radius: 0;
    break-inside: avoid;
    box-shadow: none;
    page-break-after: avoid;
    page-break-inside: avoid;
  }
}