/* =========================================================
   TO MY DEAREST WIFE — stylesheet
   Design tokens live at the top; everything below derives
   from them so the palette/type can be retuned in one place.
   ========================================================= */

:root {
  /* Color */
  --bg: #0b0710;
  --bg-alt: #130b1c;
  --bg-deep: #060309;
  --surface: rgba(255, 255, 255, 0.045);
  --surface-strong: rgba(255, 255, 255, 0.08);
  --border: rgba(230, 200, 255, 0.10);
  --border-soft: rgba(230, 200, 255, 0.06);
  --gold: #d4af6a;
  --gold-bright: #f3d08a;
  --gold-dim: #a3813f;
  --pink: #eaa8c9;
  --pink-soft: #f6d3e6;
  --text: #f6efe6;
  --text-muted: #b9aec6;
  --text-faint: #83788f;

  /* Type */
  --font-display: 'Playfair Display', Georgia, serif;
  --font-script: 'Cormorant Garamond', Georgia, serif;
  --font-ui: 'Jost', 'Segoe UI', sans-serif;

  /* Rhythm */
  --section-pad-y: clamp(4.5rem, 10vw, 8rem);
  --container-w: min(1100px, 92vw);
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;

  /* Motion */
  --ease-soft: cubic-bezier(0.22, 1, 0.36, 1);
  --dur-fast: 0.3s;
  --dur-med: 0.7s;
  --dur-slow: 1.4s;
}

/* =========================================================
   RESET
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-weight: 300;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
button { font-family: inherit; }
h1, h2, h3, p { margin: 0; }
ul { list-style: none; margin: 0; padding: 0; }
a { color: inherit; }

.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}

.skip-link {
  position: absolute;
  left: -999px;
  top: 0;
  background: var(--gold);
  color: #1a1220;
  padding: 0.75rem 1.25rem;
  z-index: 999;
  border-radius: 0 0 var(--radius-sm) 0;
  font-family: var(--font-ui);
  font-weight: 500;
}
.skip-link:focus {
  left: 0;
}

/* Focus visibility everywhere */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--gold-bright);
  outline-offset: 3px;
  border-radius: 4px;
}

/* Body scroll lock when overlays are open */
body.no-scroll { overflow: hidden; height: 100%; }

/* =========================================================
   BACKGROUND ATMOSPHERE
   ========================================================= */
body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(ellipse 60% 40% at 20% 0%, rgba(212, 175, 106, 0.10), transparent 60%),
    radial-gradient(ellipse 50% 35% at 85% 15%, rgba(234, 168, 201, 0.09), transparent 60%),
    radial-gradient(ellipse 60% 50% at 50% 100%, rgba(212, 175, 106, 0.06), transparent 60%),
    var(--bg);
}

main, #hero, .ambient-layer, .scroll-thread, .music-toggle,
#loading-screen, #start-screen, .lightbox {
  position: relative;
  z-index: 1;
}

/* =========================================================
   LOADING SCREEN
   ========================================================= */
.loading-screen {
  position: fixed;
  inset: 0;
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-deep);
  transition: opacity var(--dur-slow) var(--ease-soft), visibility var(--dur-slow);
}
.loading-screen.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}
.loading-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 1.25rem;
  text-align: center;
}
.loading-infinity { overflow: visible; }
.infinity-path {
  stroke-dasharray: 480;
  stroke-dashoffset: 480;
  animation: draw-infinity 2.4s var(--ease-soft) forwards infinite;
  filter: drop-shadow(0 0 6px rgba(243, 208, 138, 0.5));
}
@keyframes draw-infinity {
  0% { stroke-dashoffset: 480; }
  60% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -480; }
}
.loading-label {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.12em;
  color: var(--gold-bright);
}
.loading-bar-track {
  width: min(240px, 60vw);
  height: 2px;
  background: var(--border);
  border-radius: 2px;
  overflow: hidden;
}
.loading-bar-fill {
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--gold-dim), var(--gold-bright));
  transition: width 0.2s ease-out;
}
.loading-percent {
  font-family: var(--font-ui);
  font-size: 0.8rem;
  letter-spacing: 0.15em;
  color: var(--text-faint);
}

/* =========================================================
   TAP TO START
   ========================================================= */
.start-screen {
  position: fixed;
  inset: 0;
  z-index: 190;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--bg-deep);
  text-align: center;
  padding: 2rem;
  animation: fade-in var(--dur-med) var(--ease-soft) both;
}
.start-screen.is-hidden {
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity var(--dur-med) var(--ease-soft), visibility var(--dur-med);
}
@keyframes fade-in { from { opacity: 0; } to { opacity: 1; } }

.start-inner { display: flex; flex-direction: column; align-items: center; gap: 0.6rem; }
.start-eyebrow {
  font-family: var(--font-ui);
  letter-spacing: 0.25em;
  text-transform: uppercase;
  font-size: 0.75rem;
  color: var(--pink-soft);
}
.start-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 12vw, 5.5rem);
  background: linear-gradient(90deg, var(--gold), var(--pink-soft) 60%, var(--gold-bright));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  margin: 0.25rem 0;
}
.start-sub {
  font-family: var(--font-script);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
}
.start-button {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 1rem 2.2rem;
  background: var(--surface);
  border: 1px solid var(--border);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-radius: 999px;
  color: var(--text);
  font-size: 1rem;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-soft), border-color var(--dur-fast), box-shadow var(--dur-fast);
  box-shadow: 0 0 0 rgba(212,175,106,0);
}
.start-button:hover, .start-button:focus-visible {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: 0 8px 30px rgba(212, 175, 106, 0.25);
}
.start-button-heart {
  color: var(--pink);
  animation: pulse-heart 1.4s ease-in-out infinite;
}
@keyframes pulse-heart {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.25); }
}
.start-hint {
  margin-top: 1.25rem;
  font-size: 0.75rem;
  color: var(--text-faint);
  letter-spacing: 0.08em;
}

/* =========================================================
   AMBIENT LAYERS (particles / hearts / sparkles / confetti)
   ========================================================= */
.ambient-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 2;
}
#particles-canvas { z-index: 1; }
#confetti-layer { z-index: 150; }

.floating-heart {
  position: absolute;
  bottom: -40px;
  color: var(--pink);
  opacity: 0.75;
  will-change: transform, opacity;
  animation: float-up linear forwards;
  font-size: 1.1rem;
}
@keyframes float-up {
  0% { transform: translateY(0) translateX(0) rotate(0deg); opacity: 0; }
  10% { opacity: 0.8; }
  90% { opacity: 0.6; }
  100% { transform: translateY(-110vh) translateX(var(--drift, 20px)) rotate(25deg); opacity: 0; }
}

.sparkle {
  position: absolute;
  width: 5px; height: 5px;
  border-radius: 50%;
  background: var(--gold-bright);
  box-shadow: 0 0 8px 2px rgba(243, 208, 138, 0.7);
  opacity: 0;
  animation: sparkle-twinkle ease-in-out forwards;
}
@keyframes sparkle-twinkle {
  0% { opacity: 0; transform: scale(0.3); }
  50% { opacity: 1; transform: scale(1); }
  100% { opacity: 0; transform: scale(0.3); }
}

.confetti-piece {
  position: absolute;
  top: -20px;
  width: 8px;
  height: 14px;
  opacity: 0.95;
  will-change: transform, opacity;
  animation: confetti-fall linear forwards;
}
@keyframes confetti-fall {
  0% { transform: translateY(0) rotate(0deg); opacity: 1; }
  100% { transform: translateY(105vh) rotate(540deg); opacity: 0.3; }
}

/* =========================================================
   SCROLL PROGRESS THREAD (signature element, part 2)
   ========================================================= */
.scroll-thread {
  position: fixed;
  top: 0;
  right: clamp(10px, 2vw, 22px);
  width: 2px;
  height: 100vh;
  background: var(--border-soft);
  z-index: 80;
  border-radius: 2px;
}
.scroll-thread-fill {
  width: 100%;
  height: 0%;
  background: linear-gradient(180deg, var(--gold), var(--pink));
  border-radius: 2px;
  box-shadow: 0 0 8px rgba(212, 175, 106, 0.6);
  transition: height 0.1s linear;
}
@media (max-width: 640px) {
  .scroll-thread { display: none; }
}

/* =========================================================
   MUSIC TOGGLE
   ========================================================= */
.music-toggle {
  position: fixed;
  top: 1.25rem;
  left: 1.25rem;
  z-index: 100;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: border-color var(--dur-fast), transform var(--dur-fast);
}
.music-toggle:hover, .music-toggle:focus-visible { border-color: var(--gold); transform: scale(1.06); }
.music-icon { display: flex; align-items: flex-end; gap: 3px; height: 16px; }
.music-icon .bar {
  width: 3px;
  background: var(--gold-bright);
  border-radius: 2px;
  animation: eq-bounce 0.9s ease-in-out infinite;
}
.music-icon .bar:nth-child(1) { height: 60%; animation-delay: 0s; }
.music-icon .bar:nth-child(2) { height: 100%; animation-delay: 0.2s; }
.music-icon .bar:nth-child(3) { height: 45%; animation-delay: 0.4s; }
@keyframes eq-bounce {
  0%, 100% { transform: scaleY(0.5); }
  50% { transform: scaleY(1); }
}
.music-toggle.is-paused .bar { animation-play-state: paused; transform: scaleY(0.3); }

/* =========================================================
   SHARED SECTION STYLES
   ========================================================= */
section {
  padding: var(--section-pad-y) 1.5rem;
  max-width: var(--container-w);
  margin: 0 auto;
  position: relative;
}
.section-head { text-align: center; max-width: 640px; margin: 0 auto clamp(2.5rem, 6vw, 4rem); }
.section-eyebrow {
  display: block;
  font-family: var(--font-ui);
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.72rem;
  color: var(--pink-soft);
  margin-bottom: 0.75rem;
}
.section-title {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: clamp(1.9rem, 4.5vw, 2.8rem);
  color: var(--text);
}
.section-sub {
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-script);
  font-style: italic;
  font-size: 1.1rem;
}

/* Reveal-on-scroll */
.reveal-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity var(--dur-med) var(--ease-soft), transform var(--dur-med) var(--ease-soft);
}
.reveal-up.in-view { opacity: 1; transform: translateY(0); }

/* =========================================================
   HERO
   ========================================================= */
.hero {
  min-height: 100svh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding-top: 6rem;
  padding-bottom: 4rem;
}
.hero-glow {
  position: absolute;
  inset: -10% -10% auto -10%;
  height: 70%;
  background: radial-gradient(ellipse at center, rgba(212,175,106,0.14), transparent 65%);
  pointer-events: none;
  z-index: -1;
}
.hero-content { display: flex; flex-direction: column; align-items: center; gap: 0.9rem; }
.hero-eyebrow {
  font-family: var(--font-script);
  font-style: italic;
  font-size: clamp(1.1rem, 2.5vw, 1.5rem);
  color: var(--pink-soft);
}
.hero-title { margin: 0.25rem 0; }
.hero-name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(3.2rem, 13vw, 7rem);
  line-height: 1;
  background: linear-gradient(100deg, var(--gold) 10%, var(--pink-soft) 45%, var(--gold-bright) 80%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  filter: drop-shadow(0 0 30px rgba(212, 175, 106, 0.25));
}
.hero-line {
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3vw, 1.6rem);
  color: var(--text);
}
.hero-sign {
  font-family: var(--font-script);
  font-style: italic;
  color: var(--text-muted);
  font-size: 1.1rem;
  margin-top: 0.5rem;
}
.hero-sign-name { color: var(--gold-bright); }

.heartbeat-wrap { width: min(360px, 70vw); margin-top: 1.5rem; opacity: 0.85; }
.heartbeat-line { width: 100%; height: auto; overflow: visible; }
.heartbeat-path {
  stroke: var(--pink);
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-dasharray: 900;
  stroke-dashoffset: 900;
  animation: heartbeat-draw 3.2s var(--ease-soft) infinite;
  filter: drop-shadow(0 0 6px rgba(234, 168, 201, 0.6));
}
@keyframes heartbeat-draw {
  0% { stroke-dashoffset: 900; }
  70% { stroke-dashoffset: 0; }
  100% { stroke-dashoffset: -20; }
}

.scroll-cue {
  margin-top: 2.5rem;
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 0.35rem;
  text-decoration: none;
  color: var(--text-faint);
  font-size: 0.75rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}
.scroll-cue-arrow { animation: bob 1.8s ease-in-out infinite; font-size: 1rem; color: var(--gold); }
@keyframes bob {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(6px); }
}

/* =========================================================
   TIMELINE / CHAPTERS
   ========================================================= */
.chapters-root { display: flex; flex-direction: column; gap: clamp(3rem, 8vw, 5rem); }
.chapter { position: relative; }
.chapter-head { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 1.5rem; }
.chapter-index {
  font-family: var(--font-display);
  font-size: 0.85rem;
  color: var(--gold-dim);
  letter-spacing: 0.1em;
}
.chapter-title {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.7rem);
  color: var(--gold-bright);
}
.chapter-note {
  font-family: var(--font-script);
  font-style: italic;
  color: var(--text-muted);
  margin-top: 0.35rem;
  font-size: 1rem;
}
.chapter-strip {
  display: flex;
  gap: 0.9rem;
  overflow-x: auto;
  padding: 0.5rem 0.25rem 1.25rem;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}
.chapter-strip::-webkit-scrollbar { height: 6px; }
.chapter-strip::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }

.memory-card {
  flex: 0 0 auto;
  width: clamp(150px, 32vw, 210px);
  aspect-ratio: 3 / 4;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  scroll-snap-align: start;
  border: 1px solid var(--border);
  background: var(--surface);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-soft), box-shadow var(--dur-fast);
}
.memory-card:hover, .memory-card:focus-visible {
  transform: translateY(-4px) scale(1.02);
  box-shadow: 0 14px 34px rgba(0,0,0,0.4), 0 0 0 1px var(--gold);
}
.memory-card img {
  width: 100%; height: 100%;
  object-fit: cover;
  display: block;
}
.memory-card.solo::after {
  content: "";
  position: absolute;
  inset: 0;
  border: 1px solid rgba(234, 168, 201, 0.5);
  border-radius: var(--radius-md);
  pointer-events: none;
}

/* =========================================================
   GALLERY GRID
   ========================================================= */
.gallery-grid {
  columns: 2 220px;
  column-gap: 0.9rem;
}
@media (min-width: 720px) { .gallery-grid { columns: 3 220px; } }
@media (min-width: 1000px) { .gallery-grid { columns: 4 220px; } }

.gallery-item {
  break-inside: avoid;
  margin-bottom: 0.9rem;
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--surface);
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-soft), box-shadow var(--dur-fast);
}
.gallery-item:hover, .gallery-item:focus-visible {
  transform: translateY(-3px);
  box-shadow: 0 14px 30px rgba(0,0,0,0.4);
}
.gallery-item img { width: 100%; height: auto; display: block; }

/* =========================================================
   PROPOSAL SECTION
   ========================================================= */
.proposal {
  text-align: center;
  padding-top: clamp(5rem, 12vw, 9rem);
  padding-bottom: clamp(5rem, 12vw, 9rem);
}
.proposal-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 70% 60% at 50% 40%, rgba(234, 168, 201, 0.10), transparent 65%);
  z-index: -1;
}
.proposal-date {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(3rem, 10vw, 5.5rem);
  color: var(--gold-bright);
  margin: 0.5rem 0 0;
  text-shadow: 0 0 40px rgba(243, 208, 138, 0.3);
}
.proposal-sub {
  font-family: var(--font-script);
  font-style: italic;
  color: var(--pink-soft);
  font-size: 1.3rem;
  margin-bottom: 1.75rem;
}
.proposal-text {
  max-width: 520px;
  margin: 0 auto;
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.9;
}
.proposal-heartbeat { margin: 2rem auto 0; }

/* =========================================================
   LETTER SECTION
   ========================================================= */
.letter { display: flex; justify-content: center; }
.letter-glow {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 50% at 50% 0%, rgba(212, 175, 106, 0.10), transparent 60%);
  z-index: -1;
}
.letter-card {
  width: 100%;
  max-width: 680px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: clamp(1.75rem, 5vw, 3.25rem);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 30px 60px rgba(0,0,0,0.35);
  text-align: left;
}
.letter-card .section-eyebrow { text-align: center; }
.letter-body {
  font-family: var(--font-script);
  font-size: clamp(1.15rem, 2.6vw, 1.4rem);
  line-height: 1.85;
  color: var(--text);
}
.letter-para {
  margin-bottom: 1.25rem;
}
.letter-para:last-child { margin-bottom: 0; }
.letter-signature {
  color: var(--gold-bright);
  font-style: italic;
  margin-top: 1.75rem;
}
.letter-word {
  display: inline-block;
  opacity: 0;
  transform: translateY(10px);
  filter: blur(3px);
}
.letter-para.is-typing .letter-word {
  animation: word-in 0.6s var(--ease-soft) forwards;
}
@keyframes word-in {
  to { opacity: 1; transform: translateY(0); filter: blur(0); }
}

/* =========================================================
   ENDING SECTION
   ========================================================= */
.ending {
  text-align: center;
  padding-top: clamp(5rem, 14vw, 10rem);
  padding-bottom: clamp(5rem, 14vw, 8rem);
}
.ending-content { display: flex; flex-direction: column; align-items: center; }
.ending-infinity { margin-bottom: 1rem; overflow: visible; }
.ending-infinity-path {
  stroke-dasharray: 620;
  stroke-dashoffset: 620;
  filter: drop-shadow(0 0 10px rgba(212, 175, 106, 0.4));
}
.ending-infinity-path.is-drawn {
  animation: draw-once 2.6s var(--ease-soft) forwards;
}
@keyframes draw-once { to { stroke-dashoffset: 0; } }

.ending-eyebrow {
  text-transform: uppercase;
  letter-spacing: 0.25em;
  font-size: 0.75rem;
  color: var(--pink-soft);
  margin-bottom: 0.75rem;
}
.ending-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 5vw, 2.6rem);
  max-width: 600px;
  margin-bottom: 1.5rem;
}
.ending-sign {
  font-family: var(--font-script);
  font-style: italic;
  font-size: 1.2rem;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 2.5rem;
}
.ending-sign-name { color: var(--gold-bright); font-size: 1.4rem; }

.ending-actions { display: flex; flex-wrap: wrap; gap: 1rem; justify-content: center; }
.relive-button, .restart-button {
  padding: 0.9rem 1.9rem;
  border-radius: 999px;
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  cursor: pointer;
  transition: transform var(--dur-fast) var(--ease-soft), box-shadow var(--dur-fast), border-color var(--dur-fast);
}
.relive-button {
  background: linear-gradient(100deg, var(--gold), var(--pink));
  border: none;
  color: #241827;
  font-weight: 500;
}
.relive-button:hover, .relive-button:focus-visible {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px rgba(212, 175, 106, 0.35);
}
.restart-button {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-muted);
}
.restart-button:hover, .restart-button:focus-visible {
  border-color: var(--gold);
  color: var(--text);
}

/* =========================================================
   LIGHTBOX
   ========================================================= */
.lightbox {
  position: fixed;
  inset: 0;
  z-index: 300;
  background: rgba(6, 3, 9, 0.94);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  animation: fade-in var(--dur-fast) var(--ease-soft) both;
}
.lightbox[hidden] { display: none; }
.lightbox-image {
  max-width: min(90vw, 720px);
  max-height: 72vh;
  object-fit: contain;
  border-radius: var(--radius-md);
  box-shadow: 0 30px 80px rgba(0,0,0,0.6);
}
.lightbox-caption {
  margin-top: 1rem;
  color: var(--text-muted);
  font-family: var(--font-script);
  font-style: italic;
  font-size: 1rem;
}
.lightbox-close {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}
.lightbox-nav {
  position: fixed;
  top: 50%;
  transform: translateY(-50%);
  width: 48px; height: 48px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
}
.lightbox-prev { left: clamp(0.5rem, 3vw, 2rem); }
.lightbox-next { right: clamp(0.5rem, 3vw, 2rem); }
.lightbox-close:hover, .lightbox-nav:hover,
.lightbox-close:focus-visible, .lightbox-nav:focus-visible { border-color: var(--gold); }

/* =========================================================
   RESPONSIVE TUNING
   ========================================================= */
@media (max-width: 480px) {
  .lightbox-nav { width: 40px; height: 40px; }
  section { padding-left: 1.1rem; padding-right: 1.1rem; }
}

/* =========================================================
   ACCESSIBILITY: reduced motion
   ========================================================= */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal-up { opacity: 1; transform: none; }
  .letter-word { opacity: 1; transform: none; filter: none; }
  #particles-canvas, #hearts-layer, #sparkles-layer { display: none; }
}

/* =========================================================
   ACCESSIBILITY: high contrast
   ========================================================= */
@media (prefers-contrast: more) {
  :root {
    --text-muted: #e6ddf0;
    --text-faint: #c9bfd8;
    --border: rgba(255,255,255,0.35);
  }
  .letter-card, .memory-card, .gallery-item, .music-toggle, .start-button {
    border-width: 2px;
  }
}